c0 [ 342.518349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.523914] ? find_held_lock+0x36/0x1c0 [ 342.528015] ? mark_held_locks+0xc7/0x130 [ 342.532195] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 342.537320] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 342.542444] ? lockdep_hardirqs_on+0x421/0x5c0 [ 342.547049] ? trace_hardirqs_on+0xbd/0x310 [ 342.551385] ? kasan_check_read+0x11/0x20 [ 342.555555] ? ___ratelimit+0x36f/0x655 [ 342.559553] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 342.565025] ? trace_hardirqs_on+0x310/0x310 [ 342.569451] ? lock_downgrade+0x900/0x900 [ 342.573646] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 342.578775] ? ___ratelimit+0xaa/0x655 [ 342.582707] ? idr_get_free+0xec0/0xec0 [ 342.586704] ? kasan_check_write+0x14/0x20 [ 342.590970] ? do_raw_spin_lock+0xc1/0x200 [ 342.595232] oom_kill_process.cold.27+0x10/0x903 [ 342.600011] ? graph_lock+0x170/0x170 [ 342.603833] ? _raw_spin_unlock+0x2c/0x50 [ 342.607995] ? oom_badness+0xe6/0xaa0 [ 342.611818] ? oom_evaluate_task+0x540/0x540 [ 342.616247] ? find_held_lock+0x36/0x1c0 [ 342.620332] ? out_of_memory+0x974/0x14c0 [ 342.624502] ? lock_downgrade+0x900/0x900 [ 342.628666] ? check_preemption_disabled+0x48/0x200 [ 342.633820] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 342.639642] ? kasan_check_read+0x11/0x20 [ 342.643818] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 342.649383] ? rcu_bh_qs+0xc0/0xc0 [ 342.652958] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 342.657998] ? oom_evaluate_task+0x302/0x540 [ 342.662438] out_of_memory+0xa86/0x14c0 [ 342.666449] ? oom_killer_disable+0x3a0/0x3a0 [ 342.670978] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 342.675944] ? __mutex_add_waiter+0x2a0/0x2a0 [ 342.680474] __alloc_pages_slowpath+0x2318/0x2d80 [ 342.685373] ? warn_alloc+0x120/0x120 [ 342.689206] ? find_get_entry+0x2f2/0xc40 [ 342.693380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.698950] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 342.703904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.709469] ? should_fail+0x22d/0xd01 [ 342.713378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.718500] ? __lock_is_held+0xb5/0x140 [ 342.722611] ? __lock_is_held+0xb5/0x140 [ 342.726702] ? find_held_lock+0x36/0x1c0 [ 342.730786] ? ___might_sleep+0x1ed/0x300 [ 342.734956] ? lock_release+0x970/0x970 [ 342.738960] ? arch_local_save_flags+0x40/0x40 [ 342.743587] ? __might_sleep+0x95/0x190 [ 342.747588] __alloc_pages_nodemask+0xa80/0xde0 [ 342.752288] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 342.757331] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 342.763151] ? kasan_check_read+0x11/0x20 [ 342.767324] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 342.772629] ? graph_lock+0x170/0x170 [ 342.776455] ? print_usage_bug+0xc0/0xc0 [ 342.780546] ? graph_lock+0x170/0x170 [ 342.784368] ? graph_lock+0x170/0x170 [ 342.788188] ? __do_page_cache_readahead+0x7ce/0x980 [ 342.793318] ? find_held_lock+0x36/0x1c0 [ 342.797404] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 342.802977] alloc_pages_current+0x10c/0x210 [ 342.807407] ? lock_downgrade+0x900/0x900 [ 342.811582] __page_cache_alloc+0x38f/0x5b0 [ 342.815920] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 342.821740] ? kasan_check_read+0x11/0x20 [ 342.825915] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 342.831246] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 342.835951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.841507] ? check_preemption_disabled+0x48/0x200 [ 342.846564] filemap_fault+0x1594/0x25f0 [ 342.850659] ? __lock_page_or_retry+0xa00/0xa00 [ 342.855346] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 342.861163] ? kasan_check_read+0x11/0x20 [ 342.865338] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 342.870637] ? rcu_bh_qs+0xc0/0xc0 [ 342.874212] ? filemap_map_pages+0xdea/0x1980 [ 342.878734] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 342.883864] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 342.889160] ? debug_object_free+0x325/0x690 [ 342.893607] ? find_get_pages_range_tag+0x1320/0x1320 [ 342.898824] ? graph_lock+0x170/0x170 [ 342.902640] ? kasan_check_read+0x11/0x20 [ 342.906804] ? debug_object_destroy+0x2b0/0x2b0 [ 342.911501] ? lock_acquire+0x1ed/0x520 [ 342.915496] ? ext4_filemap_fault+0x7a/0xad [ 342.919845] ? lock_release+0x970/0x970 [ 342.923835] ? arch_local_save_flags+0x40/0x40 [ 342.928439] ? futex_wait_setup+0x3e0/0x3e0 [ 342.932783] ? down_read+0xb0/0x1d0 [ 342.936416] ? ext4_filemap_fault+0x7a/0xad [ 342.940756] ? __down_interruptible+0x700/0x700 [ 342.945464] ext4_filemap_fault+0x82/0xad [ 342.949628] __do_fault+0x100/0x6b0 [ 342.953268] ? print_bad_pte+0x6c0/0x6c0 [ 342.957343] ? do_futex+0x249/0x26d0 [ 342.961072] ? kasan_check_read+0x11/0x20 [ 342.965228] ? pmd_val+0x88/0x100 [ 342.968688] ? add_mm_counter_fast+0xd0/0xd0 [ 342.973104] ? pmd_val+0x88/0x100 [ 342.976566] ? add_mm_counter_fast+0xd0/0xd0 [ 342.980990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.986550] __handle_mm_fault+0x3709/0x53e0 [ 342.990977] ? perf_trace_lock+0x14d/0x7a0 [ 342.995232] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 343.000124] ? graph_lock+0x170/0x170 [ 343.003943] ? print_usage_bug+0xc0/0xc0 [ 343.008027] ? graph_lock+0x170/0x170 [ 343.011837] ? graph_lock+0x170/0x170 [ 343.015668] ? handle_mm_fault+0x42a/0xc70 [ 343.019913] ? lock_downgrade+0x900/0x900 [ 343.024078] ? check_preemption_disabled+0x48/0x200 [ 343.029112] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 343.034924] ? kasan_check_read+0x11/0x20 [ 343.039099] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 343.044386] ? rcu_bh_qs+0xc0/0xc0 [ 343.047943] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 343.053404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.058955] ? check_preemption_disabled+0x48/0x200 [ 343.063998] handle_mm_fault+0x54f/0xc70 [ 343.068074] ? __handle_mm_fault+0x53e0/0x53e0 [ 343.072667] ? find_vma+0x34/0x190 [ 343.076219] __do_page_fault+0x67d/0xed0 [ 343.080294] ? mm_fault_error+0x380/0x380 [ 343.084446] ? trace_hardirqs_off+0xb8/0x300 [ 343.088859] ? trace_hardirqs_on+0x310/0x310 [ 343.093279] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 343.098655] ? trace_hardirqs_on+0x310/0x310 [ 343.103096] do_page_fault+0xf2/0x7e0 [ 343.106905] ? vmalloc_sync_all+0x30/0x30 [ 343.111067] ? error_entry+0x70/0xd0 [ 343.114793] ? trace_hardirqs_off_caller+0xbb/0x300 [ 343.119816] ? trace_hardirqs_on_caller+0xc0/0x300 [ 343.124766] ? syscall_return_slowpath+0x5e0/0x5e0 [ 343.129711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.134582] ? trace_hardirqs_off+0x300/0x300 [ 343.139097] ? trace_hardirqs_off_caller+0x300/0x300 [ 343.144231] ? prepare_exit_to_usermode+0x291/0x3b0 [ 343.149730] ? page_fault+0x8/0x30 [ 343.153282] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.158141] ? page_fault+0x8/0x30 [ 343.161688] page_fault+0x1e/0x30 [ 343.165148] RIP: 0033:0x45ddf3 [ 343.168349] Code: Bad RIP value. [ 343.171712] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 343.177081] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 343.184353] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 343.191629] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 343.198911] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 343.206198] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 343.213518] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 343.213529] warn_alloc_show_mem: 2 callbacks suppressed [ 343.213537] Mem-Info: [ 343.220820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.226191] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 343.226191] active_file:16 inactive_file:17 isolated_file:0 [ 343.226191] unevictable:0 dirty:0 writeback:0 unstable:0 [ 343.226191] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 343.226191] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 343.226191] free:13771 free_pcp:233 free_cma:0 [ 343.228566] Call Trace: [ 343.237963] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 343.270823] [ 343.273398] Node 0 [ 343.301099] dump_stack+0x1c4/0x2b4 [ 343.303244] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 343.305454] ? dump_stack_print_info.cold.2+0x52/0x52 [ 343.309060] lowmem_reserve[]: [ 343.334587] warn_alloc.cold.118+0xb7/0x1bd [ 343.339766] 0 2815 [ 343.342900] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 343.347192] 6318 [ 343.349437] ? lock_downgrade+0x900/0x900 [ 343.354243] 6318 [ 343.356318] ? trace_hardirqs_off+0xb8/0x300 [ 343.362499] ? trace_hardirqs_off+0xb8/0x300 [ 343.366872] Node 0 DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 343.371310] __alloc_pages_slowpath+0x2667/0x2d80 [ 343.371354] ? warn_alloc+0x120/0x120 [ 343.398650] lowmem_reserve[]: 0 [ 343.403531] ? trace_hardirqs_on+0x310/0x310 [ 343.407295] 0 3503 [ 343.410588] ? warn_alloc+0x120/0x120 [ 343.414964] 3503 [ 343.417203] ? print_usage_bug+0xc0/0xc0 [ 343.423041] ? warn_alloc+0x120/0x120 [ 343.427066] Node 0 [ 343.430865] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 343.430901] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 343.433109] ? print_usage_bug+0xc0/0xc0 [ 343.438094] lowmem_reserve[]: 0 [ 343.466496] ? __lock_acquire+0x7ec/0x4ec0 [ 343.470530] 0 [ 343.473806] ? __lock_acquire+0x7ec/0x4ec0 [ 343.478013] 0 0 [ 343.479835] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.486014] ? should_fail+0x22d/0xd01 [ 343.491528] Node 0 DMA: [ 343.495409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.495427] ? __lock_acquire+0x7ec/0x4ec0 [ 343.498073] 1*4kB [ 343.503168] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.507376] (U) [ 343.509524] ? __lock_acquire+0x7ec/0x4ec0 [ 343.514602] 0*8kB [ 343.516573] ? should_fail+0x22d/0xd01 [ 343.520782] 0*16kB [ 343.522930] ? print_usage_bug+0xc0/0xc0 [ 343.526792] 1*32kB [ 343.529035] ? mark_held_locks+0x130/0x130 [ 343.533059] (U) [ 343.535294] ? mark_held_locks+0x130/0x130 [ 343.539504] 2*64kB [ 343.541485] ? graph_lock+0x170/0x170 [ 343.545687] (U) [ 343.547922] ? print_usage_bug+0xc0/0xc0 [ 343.551693] 1*128kB [ 343.553667] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 343.557694] (U) [ 343.560012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.564737] 1*256kB [ 343.566707] ? check_preemption_disabled+0x48/0x200 [ 343.572215] (U) [ 343.574541] ? check_preemption_disabled+0x48/0x200 [ 343.579528] 0*512kB 1*1024kB [ 343.581520] ? __lock_is_held+0xb5/0x140 [ 343.586512] (U) [ 343.589614] __alloc_pages_nodemask+0xa80/0xde0 [ 343.593647] 1*2048kB [ 343.595618] ? graph_lock+0x170/0x170 [ 343.600255] (M) [ 343.602665] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 343.606438] 3*4096kB [ 343.608407] ? graph_lock+0x170/0x170 [ 343.613397] (M) [ 343.615815] ? find_held_lock+0x36/0x1c0 [ 343.619578] = 15908kB [ 343.621557] ? ____cache_alloc_node+0x1c7/0x1e0 [ 343.625583] Node 0 [ 343.627990] ? lock_downgrade+0x900/0x900 [ 343.632629] DMA32: [ 343.634871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.638989] 3*4kB [ 343.641226] cache_grow_begin+0x91/0x8c0 [ 343.646728] (M) [ 343.648886] ? do_raw_spin_unlock+0xa7/0x2f0 [ 343.652916] 2*8kB [ 343.654901] fallback_alloc+0x203/0x2e0 [ 343.659274] (M) [ 343.661432] ____cache_alloc_node+0x1c7/0x1e0 [ 343.665374] 2*16kB [ 343.667345] kmem_cache_alloc_node+0xe3/0x730 [ 343.671806] (UM) [ 343.674044] ? ipv6_get_ifaddr+0x42e/0x620 [ 343.678500] 1*32kB (M) [ 343.680577] __alloc_skb+0x119/0x770 [ 343.684778] 3*64kB [ 343.687372] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 343.691050] (UM) [ 343.693285] ? skb_scrub_packet+0x490/0x490 [ 343.698535] 3*128kB [ 343.700592] ? lock_downgrade+0x900/0x900 [ 343.704880] (M) [ 343.707209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.711326] 2*256kB [ 343.713298] ? refcount_sub_and_test_checked+0x203/0x310 [ 343.718803] (M) [ 343.721130] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 343.726557] 3*512kB [ 343.728534] ? addrconf_rs_timer+0x6f0/0x6f0 [ 343.733969] (M) [ 343.736303] ndisc_alloc_skb+0x144/0x340 [ 343.740675] 4*1024kB [ 343.742647] ndisc_send_rs+0x331/0x6e0 [ 343.746678] (UM) [ 343.749086] addrconf_rs_timer+0x3c0/0x6f0 [ 343.752952] 3*2048kB [ 343.755012] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.759218] (M) [ 343.761633] call_timer_fn+0x272/0x920 [ 343.765826] 3*4096kB (M) [ 343.767809] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.771666] = 25244kB [ 343.774422] ? process_timeout+0x40/0x40 [ 343.778627] Node 0 [ 343.781042] ? find_held_lock+0x36/0x1c0 [ 343.785075] Normal: [ 343.787314] ? __run_timers+0x7da/0xc70 [ 343.791339] 1139*4kB [ 343.793656] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.797600] (MEH) [ 343.800004] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.804471] 438*8kB [ 343.806620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.811087] (UME) [ 343.813409] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 343.817608] 175*16kB (UME) [ 343.819767] ? trace_hardirqs_on+0xbd/0x310 [ 343.824318] 64*32kB [ 343.827244] ? kasan_check_read+0x11/0x20 [ 343.831541] (UMEH) [ 343.833865] ? __run_timers+0x7da/0xc70 [ 343.837976] 14*64kB (UM) [ 343.840219] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 343.844167] 1*128kB [ 343.846921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.852337] (H) [ 343.854663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.858866] 0*256kB [ 343.860844] __run_timers+0x7e5/0xc70 [ 343.865041] 0*512kB 0*1024kB [ 343.867385] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 343.871146] 0*2048kB [ 343.874247] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 343.879575] 0*4096kB = 13932kB [ 343.881993] ? graph_lock+0x170/0x170 [ 343.886989] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 343.890171] ? enqueue_hrtimer+0x1a5/0x560 [ 343.893957] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 343.902780] ? lock_release+0x970/0x970 [ 343.902798] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 343.907009] 788 total pagecache pages [ 343.915590] ? find_held_lock+0x36/0x1c0 [ 343.919544] 0 pages in swap cache [ 343.924723] ? graph_lock+0x170/0x170 [ 343.928497] Swap cache stats: add 0, delete 0, find 0/0 [ 343.932551] ? pvclock_read_flags+0x160/0x160 [ 343.935977] Free swap = 0kB [ 343.939772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.945103] Total swap = 0kB [ 343.949596] ? check_preemption_disabled+0x48/0x200 [ 343.952585] 1965979 pages RAM [ 343.958146] ? __lock_is_held+0xb5/0x140 [ 343.961129] 0 pages HighMem/MovableOnly [ 343.961138] 343323 pages reserved [ 343.966149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.969224] 0 pages cma reserved [ 343.973281] ? check_preemption_disabled+0x48/0x200 [ 343.977569] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 343.980678] run_timer_softirq+0x52/0xb0 [ 343.986184] syz-fuzzer cpuset= [ 343.989543] ? rcu_read_lock_sched_held+0x108/0x120 [ 343.989564] __do_softirq+0x30b/0xad8 [ 343.994556] / [ 344.004792] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 344.008820] mems_allowed=0 [ 344.012009] ? pvclock_read_flags+0x160/0x160 [ 344.035367] ? lapic_next_event+0x5a/0x90 [ 344.039523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.045066] ? check_preemption_disabled+0x48/0x200 [ 344.050086] ? check_preemption_disabled+0x48/0x200 [ 344.055111] ? kvm_clock_read+0x18/0x30 [ 344.059084] ? kvm_sched_clock_read+0x9/0x20 [ 344.063500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.069043] ? check_preemption_disabled+0x48/0x200 [ 344.074077] irq_exit+0x17f/0x1c0 [ 344.077539] smp_apic_timer_interrupt+0x1cb/0x760 [ 344.082385] ? smp_reschedule_interrupt+0x109/0x650 [ 344.087413] ? smp_call_function_single_interrupt+0x650/0x650 [ 344.093301] ? interrupt_entry+0xb5/0xf0 [ 344.097366] ? trace_hardirqs_off_caller+0xbb/0x300 [ 344.102387] ? trace_hardirqs_off_caller+0xbb/0x300 [ 344.107409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.112262] ? trace_hardirqs_off+0x300/0x300 [ 344.116758] ? trace_hardirqs_off+0x300/0x300 [ 344.121260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.126804] ? check_preemption_disabled+0x48/0x200 [ 344.131830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.137393] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.142250] apic_timer_interrupt+0xf/0x20 [ 344.146480] [ 344.149031] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 344.153978] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 344.172891] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 344.180620] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 344.187895] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 344.195166] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 344.202441] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 344.209711] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 344.217041] skb_clone+0x1bb/0x500 [ 344.220587] ? finish_task_switch+0x2f5/0x900 [ 344.225091] ? skb_split+0x11e0/0x11e0 [ 344.228983] ? preempt_notifier_register+0x200/0x200 [ 344.234086] ? __switch_to_asm+0x34/0x70 [ 344.238151] ? __switch_to_asm+0x34/0x70 [ 344.242214] ? __switch_to_asm+0x40/0x70 [ 344.246275] ? __switch_to_asm+0x34/0x70 [ 344.250337] ? __switch_to_asm+0x40/0x70 [ 344.254395] ? __switch_to_asm+0x34/0x70 [ 344.258454] ? __switch_to_asm+0x40/0x70 [ 344.262512] ? __switch_to_asm+0x34/0x70 [ 344.266578] ? __switch_to_asm+0x34/0x70 [ 344.270641] ? __switch_to_asm+0x40/0x70 [ 344.274697] ? __switch_to_asm+0x34/0x70 [ 344.278770] bpf_clone_redirect+0xb9/0x490 [ 344.283010] ? __schedule+0x874/0x1ed0 [ 344.286910] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 344.291947] ? __sched_text_start+0x8/0x8 [ 344.296103] ? retint_kernel+0x2d/0x2d [ 344.300000] ? find_held_lock+0x36/0x1c0 [ 344.304074] ? lock_acquire+0x1ed/0x520 [ 344.308053] ? bpf_test_run+0x32e/0x5a0 [ 344.312039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.317578] ? check_preemption_disabled+0x48/0x200 [ 344.322600] ? kasan_check_read+0x11/0x20 [ 344.326752] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 344.332036] ? rcu_bh_qs+0xc0/0xc0 [ 344.335582] ? preempt_schedule+0x4d/0x60 [ 344.339736] ? ___preempt_schedule+0x16/0x18 [ 344.344158] ? bpf_test_run+0x1c0/0x5a0 [ 344.348144] ? netlink_diag_dump+0x2a0/0x2a0 [ 344.352562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.358114] ? bpf_test_init.isra.9+0x70/0x100 [ 344.362704] ? bpf_prog_test_run_skb+0x634/0xb40 [ 344.367468] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 344.372312] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 344.377851] ? fput+0x130/0x1a0 [ 344.381134] ? __bpf_prog_get+0x9b/0x290 [ 344.385203] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 344.390048] ? bpf_prog_test_run+0x130/0x1a0 [ 344.394465] ? __x64_sys_bpf+0x3d8/0x510 [ 344.398531] ? bpf_prog_get+0x20/0x20 [ 344.402342] ? ksys_ioctl+0x81/0xd0 [ 344.405982] ? do_syscall_64+0x1b9/0x820 [ 344.410049] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 344.415422] ? syscall_return_slowpath+0x5e0/0x5e0 [ 344.420356] ? trace_hardirqs_off+0x300/0x300 [ 344.424852] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 344.429873] ? recalc_sigpending_tsk+0x180/0x180 [ 344.434630] ? kasan_check_write+0x14/0x20 [ 344.438877] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.443734] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 344.449125] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 344.449222] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 344.456059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.456066] Call Trace: [ 344.456073] [ 344.456093] dump_stack+0x1c4/0x2b4 [ 344.456110] ? dump_stack_print_info.cold.2+0x52/0x52 [ 344.462707] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 344.471964] warn_alloc.cold.118+0xb7/0x1bd [ 344.474512] syz-executor6 cpuset= [ 344.476662] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 344.480256] syz6 [ 344.485446] ? lock_downgrade+0x900/0x900 [ 344.495907] mems_allowed=0 [ 344.517532] ? trace_hardirqs_off+0xb8/0x300 [ 344.521968] ? trace_hardirqs_off+0xb8/0x300 [ 344.526397] __alloc_pages_slowpath+0x2667/0x2d80 [ 344.531279] ? warn_alloc+0x120/0x120 [ 344.535089] ? warn_alloc+0x120/0x120 [ 344.538901] ? print_usage_bug+0xc0/0xc0 [ 344.542980] ? warn_alloc+0x120/0x120 [ 344.546788] ? print_usage_bug+0xc0/0xc0 [ 344.550848] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 344.556049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.561594] ? should_fail+0x22d/0xd01 [ 344.565492] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.570602] ? __lock_acquire+0x7ec/0x4ec0 [ 344.574844] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.579958] ? __lock_acquire+0x7ec/0x4ec0 [ 344.584194] ? should_fail+0x22d/0xd01 [ 344.588099] ? mark_held_locks+0x130/0x130 [ 344.592339] ? mark_held_locks+0x130/0x130 [ 344.596576] ? graph_lock+0x170/0x170 [ 344.600387] ? graph_lock+0x170/0x170 [ 344.604196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.609734] ? check_preemption_disabled+0x48/0x200 [ 344.614753] ? check_preemption_disabled+0x48/0x200 [ 344.619789] ? __lock_is_held+0xb5/0x140 [ 344.623863] __alloc_pages_nodemask+0xa80/0xde0 [ 344.628543] ? graph_lock+0x170/0x170 [ 344.632355] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 344.637373] ? graph_lock+0x170/0x170 [ 344.641190] ? find_held_lock+0x36/0x1c0 [ 344.645268] ? ____cache_alloc_node+0x1c7/0x1e0 [ 344.649952] ? lock_downgrade+0x900/0x900 [ 344.654115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.659665] cache_grow_begin+0x91/0x8c0 [ 344.663730] ? do_raw_spin_unlock+0xa7/0x2f0 [ 344.668149] fallback_alloc+0x203/0x2e0 [ 344.672137] ____cache_alloc_node+0x1c7/0x1e0 [ 344.676643] __kmalloc+0x208/0x760 [ 344.680194] ? __neigh_create+0x30b/0x2130 [ 344.684438] __neigh_create+0x30b/0x2130 [ 344.688508] ? trace_hardirqs_on+0xbd/0x310 [ 344.692844] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 344.698392] ? ip6t_do_table+0xd9e/0x1d30 [ 344.702564] ? mark_held_locks+0x130/0x130 [ 344.706808] ? __local_bh_enable_ip+0x160/0x260 [ 344.711491] ? neigh_hash_alloc+0x1e0/0x1e0 [ 344.715827] ? graph_lock+0x170/0x170 [ 344.719630] ? ip6t_do_table+0xd9e/0x1d30 [ 344.723786] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 344.729239] ? trace_hardirqs_on+0xbd/0x310 [ 344.733583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.739129] ? ip6t_do_table+0xd6a/0x1d30 [ 344.743287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.748831] ? check_preemption_disabled+0x48/0x200 [ 344.753847] ? check_preemption_disabled+0x48/0x200 [ 344.758878] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 344.764425] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 344.769719] ? rcu_pm_notify+0xc0/0xc0 [ 344.773612] ? graph_lock+0x170/0x170 [ 344.777417] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 344.782624] ip6_finish_output2+0xa59/0x27a0 [ 344.787050] ? ip6_copy_metadata+0xe30/0xe30 [ 344.791466] ? ip6_mtu+0x39c/0x520 [ 344.795011] ? lock_downgrade+0x900/0x900 [ 344.799158] ? check_preemption_disabled+0x48/0x200 [ 344.804186] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 344.809987] ? kasan_check_read+0x11/0x20 [ 344.814142] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 344.819426] ? rcu_bh_qs+0xc0/0xc0 [ 344.822984] ? ip6_mtu+0x160/0x520 [ 344.826533] ? dst_hold+0x2f0/0x2f0 [ 344.830164] ? kasan_check_read+0x11/0x20 [ 344.834322] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 344.839606] ? nf_nat_ipv6_out+0x212/0x550 [ 344.843848] ip6_finish_output+0x5fe/0xbc0 [ 344.848084] ? ip6_finish_output+0x5fe/0xbc0 [ 344.852503] ip6_output+0x23e/0xa00 [ 344.856146] ? check_preemption_disabled+0x48/0x200 [ 344.861169] ? ip6_finish_output+0xbc0/0xbc0 [ 344.865589] ? ip6_fragment+0x38c0/0x38c0 [ 344.869751] ? __lock_is_held+0xb5/0x140 [ 344.873842] ndisc_send_skb+0x1005/0x1570 [ 344.878016] ? ndisc_constructor+0xc40/0xc40 [ 344.882445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.887995] ? refcount_sub_and_test_checked+0x203/0x310 [ 344.893458] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 344.898931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.904492] ndisc_send_rs+0x134/0x6e0 [ 344.908393] addrconf_rs_timer+0x3c0/0x6f0 [ 344.912635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.916886] call_timer_fn+0x272/0x920 [ 344.920779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.925018] ? process_timeout+0x40/0x40 [ 344.929084] ? find_held_lock+0x36/0x1c0 [ 344.933159] ? mark_held_locks+0xc7/0x130 [ 344.937319] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.941819] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.946322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.950567] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 344.955155] ? trace_hardirqs_on+0xbd/0x310 [ 344.959476] ? kasan_check_read+0x11/0x20 [ 344.963628] ? __run_timers+0x7da/0xc70 [ 344.967610] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 344.973071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.977318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.981564] __run_timers+0x7e5/0xc70 [ 344.985384] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 344.990750] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 344.996037] ? rcu_bh_qs+0xc0/0xc0 [ 344.999584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.005131] ? mark_held_locks+0xc7/0x130 [ 345.009292] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 345.014064] ? retint_kernel+0x2d/0x2d [ 345.017963] ? trace_hardirqs_on_caller+0xc0/0x300 [ 345.022901] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 345.027675] ? trace_hardirqs_off_caller+0x300/0x300 [ 345.032787] ? check_preemption_disabled+0x48/0x200 [ 345.037815] ? graph_lock+0x170/0x170 [ 345.041628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.047171] ? check_preemption_disabled+0x48/0x200 [ 345.052208] ? __lock_is_held+0xb5/0x140 [ 345.056277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.061820] ? check_preemption_disabled+0x48/0x200 [ 345.066849] run_timer_softirq+0x52/0xb0 [ 345.070920] ? rcu_read_lock_sched_held+0x108/0x120 [ 345.075965] __do_softirq+0x30b/0xad8 [ 345.079787] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 345.084902] ? pvclock_read_flags+0x160/0x160 [ 345.089409] ? lapic_next_event+0x5a/0x90 [ 345.093569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.099116] ? check_preemption_disabled+0x48/0x200 [ 345.104140] ? check_preemption_disabled+0x48/0x200 [ 345.109176] ? kvm_clock_read+0x18/0x30 [ 345.113154] ? kvm_sched_clock_read+0x9/0x20 [ 345.117571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.123116] ? check_preemption_disabled+0x48/0x200 [ 345.128152] irq_exit+0x17f/0x1c0 [ 345.131616] smp_apic_timer_interrupt+0x1cb/0x760 [ 345.136468] ? smp_call_function_single_interrupt+0x650/0x650 [ 345.142357] ? interrupt_entry+0xb5/0xf0 [ 345.146433] ? trace_hardirqs_off_caller+0xbb/0x300 [ 345.151456] ? trace_hardirqs_off_caller+0xbb/0x300 [ 345.156480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.161330] ? trace_hardirqs_off+0x300/0x300 [ 345.165827] ? trace_hardirqs_off+0x300/0x300 [ 345.170328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.175870] ? check_preemption_disabled+0x48/0x200 [ 345.180890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.186439] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.191297] apic_timer_interrupt+0xf/0x20 [ 345.195531] [ 345.197774] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 345.203058] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 345.221984] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 345.229723] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 345.237010] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 345.244294] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 345.251568] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 345.258843] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 345.266147] ? arch_local_irq_restore+0x45/0x52 [ 345.270831] dump_stack+0x26a/0x2b4 [ 345.274461] ? dump_stack_print_info.cold.2+0x52/0x52 [ 345.279656] ? mark_held_locks+0x130/0x130 [ 345.283893] ? mark_held_locks+0x130/0x130 [ 345.288138] dump_header+0x27b/0xf72 [ 345.291871] ? pagefault_out_of_memory+0x197/0x197 [ 345.296809] ? mark_held_locks+0x130/0x130 [ 345.301070] ? __lock_acquire+0x7ec/0x4ec0 [ 345.305307] ? mem_cgroup_charge_statistics+0x780/0x780 [ 345.310678] ? print_usage_bug+0xc0/0xc0 [ 345.314739] ? print_usage_bug+0xc0/0xc0 [ 345.318809] ? graph_lock+0x170/0x170 [ 345.322610] ? graph_lock+0x170/0x170 [ 345.326413] ? print_usage_bug+0xc0/0xc0 [ 345.330473] ? print_usage_bug+0xc0/0xc0 [ 345.334552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.340098] ? find_held_lock+0x36/0x1c0 [ 345.344170] ? mark_held_locks+0xc7/0x130 [ 345.348330] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 345.353434] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 345.358545] ? lockdep_hardirqs_on+0x421/0x5c0 [ 345.363133] ? trace_hardirqs_on+0xbd/0x310 [ 345.367455] ? kasan_check_read+0x11/0x20 [ 345.371611] ? ___ratelimit+0x36f/0x655 [ 345.375592] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 345.381048] ? trace_hardirqs_on+0x310/0x310 [ 345.385460] ? lock_downgrade+0x900/0x900 [ 345.389621] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 345.394731] ? ___ratelimit+0xaa/0x655 [ 345.398621] ? idr_get_free+0xec0/0xec0 [ 345.402601] ? kasan_check_write+0x14/0x20 [ 345.406838] ? do_raw_spin_lock+0xc1/0x200 [ 345.411084] oom_kill_process.cold.27+0x10/0x903 [ 345.415844] ? graph_lock+0x170/0x170 [ 345.419649] ? _raw_spin_unlock+0x2c/0x50 [ 345.423803] ? oom_badness+0xe6/0xaa0 [ 345.427612] ? oom_evaluate_task+0x540/0x540 [ 345.432037] ? find_held_lock+0x36/0x1c0 [ 345.436107] ? out_of_memory+0x974/0x14c0 [ 345.440262] ? lock_downgrade+0x900/0x900 [ 345.444412] ? check_preemption_disabled+0x48/0x200 [ 345.449439] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 345.455238] ? kasan_check_read+0x11/0x20 [ 345.459391] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 345.464671] ? rcu_bh_qs+0xc0/0xc0 [ 345.468222] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 345.473241] ? oom_evaluate_task+0x302/0x540 [ 345.477659] out_of_memory+0xa86/0x14c0 [ 345.481647] ? oom_killer_disable+0x3a0/0x3a0 [ 345.486150] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 345.491096] ? __mutex_add_waiter+0x2a0/0x2a0 [ 345.495617] __alloc_pages_slowpath+0x2318/0x2d80 [ 345.500503] ? warn_alloc+0x120/0x120 [ 345.504332] ? find_get_entry+0x2f2/0xc40 [ 345.508500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.514063] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 345.519016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.524579] ? should_fail+0x22d/0xd01 [ 345.528490] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.533606] ? __lock_is_held+0xb5/0x140 [ 345.537708] ? __lock_is_held+0xb5/0x140 [ 345.541795] ? find_held_lock+0x36/0x1c0 [ 345.545872] ? ___might_sleep+0x1ed/0x300 [ 345.550029] ? lock_release+0x970/0x970 [ 345.554016] ? arch_local_save_flags+0x40/0x40 [ 345.558621] ? __might_sleep+0x95/0x190 [ 345.562616] __alloc_pages_nodemask+0xa80/0xde0 [ 345.567305] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 345.572331] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 345.578131] ? kasan_check_read+0x11/0x20 [ 345.582289] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 345.587573] ? graph_lock+0x170/0x170 [ 345.591389] ? print_usage_bug+0xc0/0xc0 [ 345.595460] ? graph_lock+0x170/0x170 [ 345.599264] ? graph_lock+0x170/0x170 [ 345.603067] ? __do_page_cache_readahead+0x7ce/0x980 [ 345.608183] ? find_held_lock+0x36/0x1c0 [ 345.612256] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 345.617806] alloc_pages_current+0x10c/0x210 [ 345.622224] ? lock_downgrade+0x900/0x900 [ 345.626380] __page_cache_alloc+0x38f/0x5b0 [ 345.630727] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 345.636534] ? kasan_check_read+0x11/0x20 [ 345.640694] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 345.645986] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 345.650670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.656220] ? check_preemption_disabled+0x48/0x200 [ 345.661266] filemap_fault+0x1594/0x25f0 [ 345.665358] ? __lock_page_or_retry+0xa00/0xa00 [ 345.670043] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 345.675851] ? kasan_check_read+0x11/0x20 [ 345.680014] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 345.685306] ? rcu_bh_qs+0xc0/0xc0 [ 345.688872] ? filemap_map_pages+0xdea/0x1980 [ 345.693396] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 345.698512] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 345.703801] ? debug_object_free+0x325/0x690 [ 345.708223] ? find_get_pages_range_tag+0x1320/0x1320 [ 345.713431] ? graph_lock+0x170/0x170 [ 345.717246] ? kasan_check_read+0x11/0x20 [ 345.721406] ? debug_object_destroy+0x2b0/0x2b0 [ 345.726097] ? lock_acquire+0x1ed/0x520 [ 345.730079] ? ext4_filemap_fault+0x7a/0xad [ 345.734418] ? lock_release+0x970/0x970 [ 345.738401] ? arch_local_save_flags+0x40/0x40 [ 345.742994] ? futex_wait_setup+0x3e0/0x3e0 [ 345.747337] ? down_read+0xb0/0x1d0 [ 345.750974] ? ext4_filemap_fault+0x7a/0xad [ 345.755298] ? __down_interruptible+0x700/0x700 [ 345.760199] ext4_filemap_fault+0x82/0xad [ 345.764355] __do_fault+0x100/0x6b0 [ 345.767989] ? print_bad_pte+0x6c0/0x6c0 [ 345.772053] ? do_futex+0x249/0x26d0 [ 345.775770] ? kasan_check_read+0x11/0x20 [ 345.779921] ? pmd_val+0x88/0x100 [ 345.783387] ? add_mm_counter_fast+0xd0/0xd0 [ 345.787799] ? pmd_val+0x88/0x100 [ 345.791258] ? add_mm_counter_fast+0xd0/0xd0 [ 345.795676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.801223] __handle_mm_fault+0x3709/0x53e0 [ 345.805638] ? perf_trace_lock+0x14d/0x7a0 [ 345.809885] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 345.814740] ? graph_lock+0x170/0x170 [ 345.818548] ? print_usage_bug+0xc0/0xc0 [ 345.822616] ? graph_lock+0x170/0x170 [ 345.826422] ? graph_lock+0x170/0x170 [ 345.830252] ? handle_mm_fault+0x42a/0xc70 [ 345.834504] ? lock_downgrade+0x900/0x900 [ 345.838665] ? check_preemption_disabled+0x48/0x200 [ 345.843707] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 345.849516] ? kasan_check_read+0x11/0x20 [ 345.853685] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 345.858987] ? rcu_bh_qs+0xc0/0xc0 [ 345.862544] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 345.868015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.873577] ? check_preemption_disabled+0x48/0x200 [ 345.878626] handle_mm_fault+0x54f/0xc70 [ 345.882706] ? __handle_mm_fault+0x53e0/0x53e0 [ 345.887307] ? find_vma+0x34/0x190 [ 345.890868] __do_page_fault+0x67d/0xed0 [ 345.894958] ? mm_fault_error+0x380/0x380 [ 345.899112] ? trace_hardirqs_off+0xb8/0x300 [ 345.903534] ? trace_hardirqs_on+0x310/0x310 [ 345.907958] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 345.913332] ? trace_hardirqs_on+0x310/0x310 [ 345.917752] do_page_fault+0xf2/0x7e0 [ 345.921560] ? vmalloc_sync_all+0x30/0x30 [ 345.925710] ? error_entry+0x70/0xd0 [ 345.929429] ? trace_hardirqs_off_caller+0xbb/0x300 [ 345.934447] ? trace_hardirqs_on_caller+0xc0/0x300 [ 345.939381] ? syscall_return_slowpath+0x5e0/0x5e0 [ 345.944313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.949169] ? trace_hardirqs_off+0x300/0x300 [ 345.953662] ? trace_hardirqs_off_caller+0x300/0x300 [ 345.958774] ? prepare_exit_to_usermode+0x291/0x3b0 [ 345.963796] ? page_fault+0x8/0x30 [ 345.967343] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.972219] ? page_fault+0x8/0x30 [ 345.975761] page_fault+0x1e/0x30 [ 345.979214] RIP: 0033:0x45ddf3 [ 345.982412] Code: Bad RIP value. [ 345.985776] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 345.991141] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 345.998414] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 346.005692] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 346.012976] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 346.020535] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 346.027843] warn_alloc_show_mem: 1 callbacks suppressed [ 346.027856] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 346.027858] Mem-Info: [ 346.027891] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 346.027891] active_file:16 inactive_file:17 isolated_file:0 [ 346.027891] unevictable:0 dirty:0 writeback:0 unstable:0 [ 346.027891] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 346.027891] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 346.027891] free:13771 free_pcp:233 free_cma:0 [ 346.033230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.040509] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 346.042903] Call Trace: [ 346.075785] Node 0 [ 346.085146] [ 346.112866] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 346.115441] dump_stack+0x1c4/0x2b4 [ 346.117642] lowmem_reserve[]: 0 [ 346.119815] ? dump_stack_print_info.cold.2+0x52/0x52 [ 346.145310] 2815 6318 [ 346.149456] warn_alloc.cold.118+0xb7/0x1bd [ 346.152698] 6318 [ 346.157893] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 346.164678] ? lock_downgrade+0x900/0x900 [ 346.166717] Node 0 [ 346.171558] ? trace_hardirqs_off+0xb8/0x300 [ 346.175705] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 346.177916] ? trace_hardirqs_off+0xb8/0x300 [ 346.182293] lowmem_reserve[]: [ 346.209039] __alloc_pages_slowpath+0x2667/0x2d80 [ 346.213420] 0 [ 346.216553] ? warn_alloc+0x120/0x120 [ 346.221350] 0 [ 346.223152] ? warn_alloc+0x120/0x120 [ 346.226920] 3503 [ 346.228728] ? print_usage_bug+0xc0/0xc0 [ 346.232496] 3503 [ 346.234556] ? warn_alloc+0x120/0x120 [ 346.240653] ? print_usage_bug+0xc0/0xc0 [ 346.244424] Node 0 Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 346.248518] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.248538] ? should_fail+0x22d/0xd01 [ 346.277500] lowmem_reserve[]: 0 [ 346.283068] ? lock_downgrade+0x900/0x900 [ 346.286922] 0 [ 346.290210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.294329] 0 [ 346.296127] ? __lock_acquire+0x7ec/0x4ec0 [ 346.301199] 0 [ 346.303002] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.309008] ? __lock_acquire+0x7ec/0x4ec0 [ 346.314081] Node 0 [ 346.318307] ? should_fail+0x22d/0xd01 [ 346.318317] DMA: [ 346.320555] ? mark_held_locks+0x130/0x130 [ 346.324417] 1*4kB [ 346.326476] ? mark_held_locks+0x130/0x130 [ 346.330685] (U) [ 346.332827] ? kasan_check_read+0x11/0x20 [ 346.337034] 0*8kB 0*16kB [ 346.339022] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 346.343142] 1*32kB [ 346.345897] ? graph_lock+0x170/0x170 [ 346.351138] (U) 2*64kB [ 346.353379] ? print_usage_bug+0xc0/0xc0 [ 346.357148] (U) [ 346.359728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.363754] 1*128kB (U) [ 346.365731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.371240] 1*256kB [ 346.373906] ? check_preemption_disabled+0x48/0x200 [ 346.379407] (U) 0*512kB [ 346.381730] ? check_preemption_disabled+0x48/0x200 [ 346.381759] ? __lock_is_held+0xb5/0x140 [ 346.386738] 1*1024kB [ 346.389406] __alloc_pages_nodemask+0xa80/0xde0 [ 346.394389] (U) [ 346.398446] ? graph_lock+0x170/0x170 [ 346.400831] 1*2048kB [ 346.405499] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 346.407446] (M) [ 346.411233] ? graph_lock+0x170/0x170 [ 346.411259] ? find_held_lock+0x36/0x1c0 [ 346.413640] 3*4096kB [ 346.418656] ? ____cache_alloc_node+0x1c7/0x1e0 [ 346.420599] (M) [ 346.424393] ? lock_downgrade+0x900/0x900 [ 346.428423] = 15908kB [ 346.428431] Node 0 [ 346.430845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.435478] DMA32: [ 346.437453] cache_grow_begin+0x91/0x8c0 [ 346.441566] 3*4kB [ 346.443981] ? do_raw_spin_unlock+0xa7/0x2f0 [ 346.446186] (M) [ 346.451723] fallback_alloc+0x203/0x2e0 [ 346.453927] 2*8kB [ 346.457993] ____cache_alloc_node+0x1c7/0x1e0 [ 346.460116] (M) [ 346.464521] kmem_cache_alloc_node+0xe3/0x730 [ 346.466473] 2*16kB [ 346.470443] ? ipv6_get_ifaddr+0x42e/0x620 [ 346.472562] (UM) [ 346.477063] __alloc_skb+0x119/0x770 [ 346.479004] 1*32kB [ 346.483497] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 346.485701] (M) [ 346.489932] ? skb_scrub_packet+0x490/0x490 [ 346.491972] 3*64kB (UM) [ 346.495690] ? lock_downgrade+0x900/0x900 [ 346.497898] 3*128kB [ 346.503174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.505113] (M) [ 346.509435] ? refcount_sub_and_test_checked+0x203/0x310 [ 346.512080] 2*256kB [ 346.516222] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 346.518516] (M) [ 346.524057] ? addrconf_rs_timer+0x6f0/0x6f0 [ 346.526006] 3*512kB [ 346.531463] ndisc_alloc_skb+0x144/0x340 [ 346.533749] (M) [ 346.539195] ndisc_send_rs+0x331/0x6e0 [ 346.541137] 4*1024kB (UM) [ 346.545558] addrconf_rs_timer+0x3c0/0x6f0 [ 346.547845] 3*2048kB (M) [ 346.551909] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.553849] 3*4096kB (M) [ 346.557747] call_timer_fn+0x272/0x920 [ 346.560553] = 25244kB [ 346.564780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.567513] Node 0 [ 346.571747] ? process_timeout+0x40/0x40 [ 346.574477] Normal: [ 346.578353] ? find_held_lock+0x36/0x1c0 [ 346.578377] ? __run_timers+0x7da/0xc70 [ 346.580762] 1139*4kB [ 346.584993] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.587198] (MEH) [ 346.591254] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.593557] 438*8kB [ 346.597611] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.601554] (UME) [ 346.603965] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 346.608431] 175*16kB [ 346.610574] ? trace_hardirqs_on+0xbd/0x310 [ 346.615042] (UME) [ 346.617361] ? kasan_check_read+0x11/0x20 [ 346.621564] 64*32kB (UMEH) [ 346.623720] ? __run_timers+0x7da/0xc70 [ 346.628266] 14*64kB (UM) [ 346.630686] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 346.634979] 1*128kB [ 346.637127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.641242] (H) [ 346.644172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.648118] 0*256kB [ 346.650877] __run_timers+0x7e5/0xc70 [ 346.656298] 0*512kB [ 346.658627] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 346.662826] 0*1024kB [ 346.664797] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 346.669005] 0*2048kB [ 346.671324] ? graph_lock+0x170/0x170 [ 346.675098] 0*4096kB [ 346.677416] ? enqueue_hrtimer+0x1a5/0x560 [ 346.682750] = 13932kB [ 346.685171] ? lock_release+0x970/0x970 [ 346.690166] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 346.692566] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 346.696395] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 346.698796] ? find_held_lock+0x36/0x1c0 [ 346.703002] 788 total pagecache pages [ 346.705409] ? graph_lock+0x170/0x170 [ 346.709362] 0 pages in swap cache [ 346.718194] ? pvclock_read_flags+0x160/0x160 [ 346.723361] Swap cache stats: add 0, delete 0, find 0/0 [ 346.731934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.735973] Free swap = 0kB [ 346.739770] ? check_preemption_disabled+0x48/0x200 [ 346.743546] Total swap = 0kB [ 346.747005] ? __lock_is_held+0xb5/0x140 [ 346.751462] 1965979 pages RAM [ 346.756823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.762322] 0 pages HighMem/MovableOnly [ 346.762331] 343323 pages reserved [ 346.765347] ? check_preemption_disabled+0x48/0x200 [ 346.770336] 0 pages cma reserved [ 346.773358] run_timer_softirq+0x52/0xb0 [ 346.777619] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 346.780480] ? rcu_read_lock_sched_held+0x108/0x120 [ 346.780503] __do_softirq+0x30b/0xad8 [ 346.786152] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 346.790002] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 346.793668] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 346.798432] ? pvclock_read_flags+0x160/0x160 [ 346.801773] syz-fuzzer cpuset= [ 346.805828] ? lapic_next_event+0x5a/0x90 [ 346.812290] / [ 346.817307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.821079] mems_allowed=0 [ 346.827570] ? check_preemption_disabled+0x48/0x200 [ 346.869783] ? check_preemption_disabled+0x48/0x200 [ 346.874817] ? kvm_clock_read+0x18/0x30 [ 346.878793] ? kvm_sched_clock_read+0x9/0x20 [ 346.883209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.888745] ? check_preemption_disabled+0x48/0x200 [ 346.893776] irq_exit+0x17f/0x1c0 [ 346.897237] smp_apic_timer_interrupt+0x1cb/0x760 [ 346.902079] ? smp_reschedule_interrupt+0x109/0x650 [ 346.907096] ? smp_call_function_single_interrupt+0x650/0x650 [ 346.912985] ? interrupt_entry+0xb5/0xf0 [ 346.917066] ? trace_hardirqs_off_caller+0xbb/0x300 [ 346.922081] ? trace_hardirqs_off_caller+0xbb/0x300 [ 346.927102] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.931956] ? trace_hardirqs_off+0x300/0x300 [ 346.936450] ? trace_hardirqs_off+0x300/0x300 [ 346.940975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.946517] ? check_preemption_disabled+0x48/0x200 [ 346.951535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.957084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.961953] apic_timer_interrupt+0xf/0x20 [ 346.966186] [ 346.968432] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 346.973364] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 346.992280] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 346.999995] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 347.007265] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 347.014536] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 347.021804] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 347.029071] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 347.036394] skb_clone+0x1bb/0x500 [ 347.039946] ? finish_task_switch+0x2f5/0x900 [ 347.044444] ? skb_split+0x11e0/0x11e0 [ 347.048334] ? preempt_notifier_register+0x200/0x200 [ 347.053440] ? __switch_to_asm+0x34/0x70 [ 347.057504] ? __switch_to_asm+0x34/0x70 [ 347.061563] ? __switch_to_asm+0x40/0x70 [ 347.065620] ? __switch_to_asm+0x34/0x70 [ 347.069677] ? __switch_to_asm+0x40/0x70 [ 347.073736] ? __switch_to_asm+0x34/0x70 [ 347.077793] ? __switch_to_asm+0x40/0x70 [ 347.081852] ? __switch_to_asm+0x34/0x70 [ 347.085915] ? __switch_to_asm+0x34/0x70 [ 347.089983] ? __switch_to_asm+0x40/0x70 [ 347.094047] ? __switch_to_asm+0x34/0x70 [ 347.098124] bpf_clone_redirect+0xb9/0x490 [ 347.102366] ? __schedule+0x874/0x1ed0 [ 347.106260] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 347.111281] ? __sched_text_start+0x8/0x8 [ 347.115436] ? retint_kernel+0x2d/0x2d [ 347.119332] ? find_held_lock+0x36/0x1c0 [ 347.123405] ? lock_acquire+0x1ed/0x520 [ 347.127381] ? bpf_test_run+0x32e/0x5a0 [ 347.131363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.136903] ? check_preemption_disabled+0x48/0x200 [ 347.141929] ? kasan_check_read+0x11/0x20 [ 347.146092] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 347.151378] ? rcu_bh_qs+0xc0/0xc0 [ 347.154923] ? preempt_schedule+0x4d/0x60 [ 347.159081] ? ___preempt_schedule+0x16/0x18 [ 347.163500] ? bpf_test_run+0x1c0/0x5a0 [ 347.167486] ? netlink_diag_dump+0x2a0/0x2a0 [ 347.171898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.177437] ? bpf_test_init.isra.9+0x70/0x100 [ 347.182032] ? bpf_prog_test_run_skb+0x634/0xb40 [ 347.186796] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 347.191642] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 347.197182] ? fput+0x130/0x1a0 [ 347.200463] ? __bpf_prog_get+0x9b/0x290 [ 347.204528] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 347.209370] ? bpf_prog_test_run+0x130/0x1a0 [ 347.213785] ? __x64_sys_bpf+0x3d8/0x510 [ 347.217846] ? bpf_prog_get+0x20/0x20 [ 347.221676] ? ksys_ioctl+0x81/0xd0 [ 347.225318] ? do_syscall_64+0x1b9/0x820 [ 347.229381] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 347.234751] ? syscall_return_slowpath+0x5e0/0x5e0 [ 347.239683] ? trace_hardirqs_off+0x300/0x300 [ 347.244186] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 347.249200] ? recalc_sigpending_tsk+0x180/0x180 [ 347.253961] ? kasan_check_write+0x14/0x20 [ 347.258210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.263067] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 347.268458] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 347.268546] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 347.275385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 347.275391] Call Trace: [ 347.275398] [ 347.275418] dump_stack+0x1c4/0x2b4 [ 347.275434] ? dump_stack_print_info.cold.2+0x52/0x52 [ 347.281988] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 347.291282] warn_alloc.cold.118+0xb7/0x1bd [ 347.293832] syz-executor6 cpuset= [ 347.295986] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 347.299586] syz6 [ 347.304777] ? lock_downgrade+0x900/0x900 [ 347.315233] mems_allowed=0 [ 347.336850] ? trace_hardirqs_off+0xb8/0x300 [ 347.341269] ? trace_hardirqs_off+0xb8/0x300 [ 347.345692] __alloc_pages_slowpath+0x2667/0x2d80 [ 347.350573] ? warn_alloc+0x120/0x120 [ 347.354379] ? mark_held_locks+0x130/0x130 [ 347.358620] ? warn_alloc+0x120/0x120 [ 347.362423] ? print_usage_bug+0xc0/0xc0 [ 347.366488] ? warn_alloc+0x120/0x120 [ 347.370290] ? print_usage_bug+0xc0/0xc0 [ 347.374350] ? run_posix_cpu_timers+0x6b7/0x2540 [ 347.379115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.384657] ? should_fail+0x22d/0xd01 [ 347.388556] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.393664] ? __lock_acquire+0x7ec/0x4ec0 [ 347.397908] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.403017] ? __lock_acquire+0x7ec/0x4ec0 [ 347.407255] ? should_fail+0x22d/0xd01 [ 347.411158] ? mark_held_locks+0x130/0x130 [ 347.415404] ? mark_held_locks+0x130/0x130 [ 347.419637] ? __lock_acquire+0x7ec/0x4ec0 [ 347.423884] ? graph_lock+0x170/0x170 [ 347.427690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.433230] ? check_preemption_disabled+0x48/0x200 [ 347.438245] ? check_preemption_disabled+0x48/0x200 [ 347.443281] ? __lock_is_held+0xb5/0x140 [ 347.447354] __alloc_pages_nodemask+0xa80/0xde0 [ 347.452032] ? graph_lock+0x170/0x170 [ 347.455843] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 347.460858] ? graph_lock+0x170/0x170 [ 347.464675] ? find_held_lock+0x36/0x1c0 [ 347.468754] ? ____cache_alloc_node+0x1c7/0x1e0 [ 347.473430] ? lock_downgrade+0x900/0x900 [ 347.477592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.483140] cache_grow_begin+0x91/0x8c0 [ 347.487212] ? do_raw_spin_unlock+0xa7/0x2f0 [ 347.491632] fallback_alloc+0x203/0x2e0 [ 347.495625] ____cache_alloc_node+0x1c7/0x1e0 [ 347.500132] __kmalloc+0x208/0x760 [ 347.503683] ? __neigh_create+0x30b/0x2130 [ 347.507929] __neigh_create+0x30b/0x2130 [ 347.512006] ? trace_hardirqs_on+0xbd/0x310 [ 347.516333] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 347.521874] ? ip6t_do_table+0xd9e/0x1d30 [ 347.526040] ? mark_held_locks+0x130/0x130 [ 347.530281] ? __local_bh_enable_ip+0x160/0x260 [ 347.534966] ? neigh_hash_alloc+0x1e0/0x1e0 [ 347.539291] ? graph_lock+0x170/0x170 [ 347.543098] ? ip6t_do_table+0xd9e/0x1d30 [ 347.547251] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 347.552704] ? trace_hardirqs_on+0xbd/0x310 [ 347.557040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.562585] ? ip6t_do_table+0xd6a/0x1d30 [ 347.566743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.572284] ? check_preemption_disabled+0x48/0x200 [ 347.577304] ? check_preemption_disabled+0x48/0x200 [ 347.582332] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 347.587875] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 347.593159] ? rcu_pm_notify+0xc0/0xc0 [ 347.597053] ? graph_lock+0x170/0x170 [ 347.600856] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 347.606059] ip6_finish_output2+0xa59/0x27a0 [ 347.610487] ? ip6_copy_metadata+0xe30/0xe30 [ 347.614902] ? ip6_mtu+0x39c/0x520 [ 347.618447] ? lock_downgrade+0x900/0x900 [ 347.622601] ? check_preemption_disabled+0x48/0x200 [ 347.627628] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 347.633427] ? kasan_check_read+0x11/0x20 [ 347.637582] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 347.642863] ? rcu_bh_qs+0xc0/0xc0 [ 347.646417] ? ip6_mtu+0x160/0x520 [ 347.649974] ? kasan_check_read+0x11/0x20 [ 347.654127] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 347.659406] ? nf_nat_ipv6_out+0x212/0x550 [ 347.663649] ip6_finish_output+0x5fe/0xbc0 [ 347.667885] ? ip6_finish_output+0x5fe/0xbc0 [ 347.672300] ip6_output+0x23e/0xa00 [ 347.675966] ? check_preemption_disabled+0x48/0x200 [ 347.680984] ? ip6_finish_output+0xbc0/0xbc0 [ 347.685398] ? ip6_fragment+0x38c0/0x38c0 [ 347.689553] ? __lock_is_held+0xb5/0x140 [ 347.693632] ndisc_send_skb+0x1005/0x1570 [ 347.697792] ? ndisc_constructor+0xc40/0xc40 [ 347.702204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.707748] ? refcount_sub_and_test_checked+0x203/0x310 [ 347.713210] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 347.718680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.724229] ndisc_send_rs+0x134/0x6e0 [ 347.728130] addrconf_rs_timer+0x3c0/0x6f0 [ 347.732376] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.736628] call_timer_fn+0x272/0x920 [ 347.740518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.744765] ? process_timeout+0x40/0x40 [ 347.748828] ? find_held_lock+0x36/0x1c0 [ 347.752904] ? mark_held_locks+0xc7/0x130 [ 347.757068] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.761581] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.766093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.770344] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 347.774956] ? trace_hardirqs_on+0xbd/0x310 [ 347.779300] ? kasan_check_read+0x11/0x20 [ 347.783477] ? __run_timers+0x7da/0xc70 [ 347.787477] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 347.792966] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.797245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.801512] __run_timers+0x7e5/0xc70 [ 347.805363] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 347.810766] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 347.816077] ? rcu_bh_qs+0xc0/0xc0 [ 347.819643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.825201] ? mark_held_locks+0xc7/0x130 [ 347.829363] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 347.834136] ? retint_kernel+0x2d/0x2d [ 347.838029] ? trace_hardirqs_on_caller+0xc0/0x300 [ 347.842977] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 347.847745] ? trace_hardirqs_off_caller+0x300/0x300 [ 347.852857] ? check_preemption_disabled+0x48/0x200 [ 347.857884] ? graph_lock+0x170/0x170 [ 347.861698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.867249] ? check_preemption_disabled+0x48/0x200 [ 347.872288] ? __lock_is_held+0xb5/0x140 [ 347.876360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.881903] ? check_preemption_disabled+0x48/0x200 [ 347.886956] run_timer_softirq+0x52/0xb0 [ 347.891023] ? rcu_read_lock_sched_held+0x108/0x120 [ 347.896054] __do_softirq+0x30b/0xad8 [ 347.899877] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 347.904992] ? pvclock_read_flags+0x160/0x160 [ 347.909490] ? lapic_next_event+0x5a/0x90 [ 347.913644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.919185] ? check_preemption_disabled+0x48/0x200 [ 347.924203] ? check_preemption_disabled+0x48/0x200 [ 347.929230] ? kvm_clock_read+0x18/0x30 [ 347.933208] ? kvm_sched_clock_read+0x9/0x20 [ 347.937625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.943166] ? check_preemption_disabled+0x48/0x200 [ 347.948198] irq_exit+0x17f/0x1c0 [ 347.951664] smp_apic_timer_interrupt+0x1cb/0x760 [ 347.956518] ? smp_call_function_single_interrupt+0x650/0x650 [ 347.962427] ? interrupt_entry+0xb5/0xf0 [ 347.966504] ? trace_hardirqs_off_caller+0xbb/0x300 [ 347.971538] ? trace_hardirqs_off_caller+0xbb/0x300 [ 347.976571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.981419] ? trace_hardirqs_off+0x300/0x300 [ 347.985917] ? trace_hardirqs_off+0x300/0x300 [ 347.990429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.995980] ? check_preemption_disabled+0x48/0x200 [ 348.001002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.006560] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.011419] apic_timer_interrupt+0xf/0x20 [ 348.015649] [ 348.018144] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 348.023425] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 348.042340] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 348.050073] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 348.057360] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 348.064648] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 348.071924] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 348.079213] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 348.086518] ? arch_local_irq_restore+0x45/0x52 [ 348.091218] dump_stack+0x26a/0x2b4 [ 348.094854] ? dump_stack_print_info.cold.2+0x52/0x52 [ 348.100062] ? mark_held_locks+0x130/0x130 [ 348.104302] ? mark_held_locks+0x130/0x130 [ 348.108554] dump_header+0x27b/0xf72 [ 348.112289] ? pagefault_out_of_memory+0x197/0x197 [ 348.117229] ? mark_held_locks+0x130/0x130 [ 348.121463] ? __lock_acquire+0x7ec/0x4ec0 [ 348.125702] ? mem_cgroup_charge_statistics+0x780/0x780 [ 348.131072] ? print_usage_bug+0xc0/0xc0 [ 348.135141] ? print_usage_bug+0xc0/0xc0 [ 348.139217] ? graph_lock+0x170/0x170 [ 348.143022] ? graph_lock+0x170/0x170 [ 348.146833] ? print_usage_bug+0xc0/0xc0 [ 348.151230] ? print_usage_bug+0xc0/0xc0 [ 348.155309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.160855] ? find_held_lock+0x36/0x1c0 [ 348.164929] ? mark_held_locks+0xc7/0x130 [ 348.169093] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 348.174205] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 348.179317] ? lockdep_hardirqs_on+0x421/0x5c0 [ 348.183908] ? trace_hardirqs_on+0xbd/0x310 [ 348.188235] ? kasan_check_read+0x11/0x20 [ 348.192388] ? ___ratelimit+0x36f/0x655 [ 348.196373] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.201831] ? trace_hardirqs_on+0x310/0x310 [ 348.206267] ? lock_downgrade+0x900/0x900 [ 348.210431] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 348.215549] ? ___ratelimit+0xaa/0x655 [ 348.219444] ? idr_get_free+0xec0/0xec0 [ 348.223424] ? kasan_check_write+0x14/0x20 [ 348.227667] ? do_raw_spin_lock+0xc1/0x200 [ 348.231919] oom_kill_process.cold.27+0x10/0x903 [ 348.236690] ? graph_lock+0x170/0x170 [ 348.240497] ? _raw_spin_unlock+0x2c/0x50 [ 348.244654] ? oom_badness+0xe6/0xaa0 [ 348.248460] ? oom_evaluate_task+0x540/0x540 [ 348.252875] ? find_held_lock+0x36/0x1c0 [ 348.256954] ? out_of_memory+0x974/0x14c0 [ 348.261129] ? lock_downgrade+0x900/0x900 [ 348.265279] ? check_preemption_disabled+0x48/0x200 [ 348.270309] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 348.276108] ? kasan_check_read+0x11/0x20 [ 348.280259] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 348.285543] ? rcu_bh_qs+0xc0/0xc0 [ 348.289093] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 348.294111] ? oom_evaluate_task+0x302/0x540 [ 348.298534] out_of_memory+0xa86/0x14c0 [ 348.302519] ? oom_killer_disable+0x3a0/0x3a0 [ 348.307027] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 348.311969] ? __mutex_add_waiter+0x2a0/0x2a0 [ 348.316478] __alloc_pages_slowpath+0x2318/0x2d80 [ 348.321356] ? warn_alloc+0x120/0x120 [ 348.325175] ? find_get_entry+0x2f2/0xc40 [ 348.329335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.334878] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 348.339814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.345356] ? should_fail+0x22d/0xd01 [ 348.349252] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.354357] ? __lock_is_held+0xb5/0x140 [ 348.358447] ? __lock_is_held+0xb5/0x140 [ 348.362520] ? find_held_lock+0x36/0x1c0 [ 348.366595] ? ___might_sleep+0x1ed/0x300 [ 348.370745] ? lock_release+0x970/0x970 [ 348.374730] ? arch_local_save_flags+0x40/0x40 [ 348.379327] ? __might_sleep+0x95/0x190 [ 348.383310] __alloc_pages_nodemask+0xa80/0xde0 [ 348.387995] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 348.393030] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 348.398830] ? kasan_check_read+0x11/0x20 [ 348.402990] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 348.408284] ? graph_lock+0x170/0x170 [ 348.412091] ? print_usage_bug+0xc0/0xc0 [ 348.416158] ? graph_lock+0x170/0x170 [ 348.419966] ? graph_lock+0x170/0x170 [ 348.423769] ? __do_page_cache_readahead+0x7ce/0x980 [ 348.428879] ? find_held_lock+0x36/0x1c0 [ 348.432957] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 348.438508] alloc_pages_current+0x10c/0x210 [ 348.442924] ? lock_downgrade+0x900/0x900 [ 348.447090] __page_cache_alloc+0x38f/0x5b0 [ 348.451417] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 348.457216] ? kasan_check_read+0x11/0x20 [ 348.461374] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 348.466655] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 348.471331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.476871] ? check_preemption_disabled+0x48/0x200 [ 348.481899] filemap_fault+0x1594/0x25f0 [ 348.485986] ? __lock_page_or_retry+0xa00/0xa00 [ 348.490660] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 348.496453] ? kasan_check_read+0x11/0x20 [ 348.500608] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 348.505888] ? rcu_bh_qs+0xc0/0xc0 [ 348.509448] ? filemap_map_pages+0xdea/0x1980 [ 348.513969] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 348.519088] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 348.524365] ? debug_object_free+0x325/0x690 [ 348.528778] ? find_get_pages_range_tag+0x1320/0x1320 [ 348.533983] ? graph_lock+0x170/0x170 [ 348.537791] ? kasan_check_read+0x11/0x20 [ 348.541953] ? debug_object_destroy+0x2b0/0x2b0 [ 348.546638] ? lock_acquire+0x1ed/0x520 [ 348.550617] ? ext4_filemap_fault+0x7a/0xad [ 348.554954] ? lock_release+0x970/0x970 [ 348.558934] ? arch_local_save_flags+0x40/0x40 [ 348.563537] ? futex_wait_setup+0x3e0/0x3e0 [ 348.567877] ? down_read+0xb0/0x1d0 [ 348.571504] ? ext4_filemap_fault+0x7a/0xad [ 348.575830] ? __down_interruptible+0x700/0x700 [ 348.580523] ext4_filemap_fault+0x82/0xad [ 348.584686] __do_fault+0x100/0x6b0 [ 348.588322] ? print_bad_pte+0x6c0/0x6c0 [ 348.592387] ? do_futex+0x249/0x26d0 [ 348.596131] ? kasan_check_read+0x11/0x20 [ 348.600279] ? pmd_val+0x88/0x100 [ 348.603735] ? add_mm_counter_fast+0xd0/0xd0 [ 348.608142] ? pmd_val+0x88/0x100 [ 348.611606] ? add_mm_counter_fast+0xd0/0xd0 [ 348.616023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.621574] __handle_mm_fault+0x3709/0x53e0 [ 348.625985] ? perf_trace_lock+0x14d/0x7a0 [ 348.630233] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 348.635077] ? graph_lock+0x170/0x170 [ 348.638884] ? print_usage_bug+0xc0/0xc0 [ 348.642959] ? graph_lock+0x170/0x170 [ 348.646763] ? graph_lock+0x170/0x170 [ 348.650587] ? handle_mm_fault+0x42a/0xc70 [ 348.654826] ? lock_downgrade+0x900/0x900 [ 348.658978] ? check_preemption_disabled+0x48/0x200 [ 348.664014] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 348.669849] ? kasan_check_read+0x11/0x20 [ 348.674006] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 348.679286] ? rcu_bh_qs+0xc0/0xc0 [ 348.682830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.688287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.693829] ? check_preemption_disabled+0x48/0x200 [ 348.698861] handle_mm_fault+0x54f/0xc70 [ 348.702931] ? __handle_mm_fault+0x53e0/0x53e0 [ 348.707536] ? find_vma+0x34/0x190 [ 348.711087] __do_page_fault+0x67d/0xed0 [ 348.715159] ? mm_fault_error+0x380/0x380 [ 348.719309] ? trace_hardirqs_off+0xb8/0x300 [ 348.723717] ? trace_hardirqs_on+0x310/0x310 [ 348.728129] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 348.733496] ? trace_hardirqs_on+0x310/0x310 [ 348.737918] do_page_fault+0xf2/0x7e0 [ 348.741727] ? vmalloc_sync_all+0x30/0x30 [ 348.745877] ? error_entry+0x70/0xd0 [ 348.749591] ? trace_hardirqs_off_caller+0xbb/0x300 [ 348.754605] ? trace_hardirqs_on_caller+0xc0/0x300 [ 348.759542] ? syscall_return_slowpath+0x5e0/0x5e0 [ 348.764474] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.769323] ? trace_hardirqs_off+0x300/0x300 [ 348.773821] ? trace_hardirqs_off_caller+0x300/0x300 [ 348.778944] ? prepare_exit_to_usermode+0x291/0x3b0 [ 348.783973] ? page_fault+0x8/0x30 [ 348.787521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.792374] ? page_fault+0x8/0x30 [ 348.795916] page_fault+0x1e/0x30 [ 348.799378] RIP: 0033:0x45ddf3 [ 348.802577] Code: Bad RIP value. [ 348.805936] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 348.811309] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 348.818579] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 348.825846] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 348.833118] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 348.840387] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 348.847695] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 348.847701] warn_alloc_show_mem: 1 callbacks suppressed [ 348.847708] Mem-Info: [ 348.854984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.860354] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 348.860354] active_file:16 inactive_file:17 isolated_file:0 [ 348.860354] unevictable:0 dirty:0 writeback:0 unstable:0 [ 348.860354] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 348.860354] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 348.860354] free:13771 free_pcp:233 free_cma:0 [ 348.862721] Call Trace: [ 348.872107] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 348.904974] [ 348.907553] Node 0 [ 348.935241] dump_stack+0x1c4/0x2b4 [ 348.937388] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 348.939591] ? dump_stack_print_info.cold.2+0x52/0x52 [ 348.943190] lowmem_reserve[]: [ 348.968710] warn_alloc.cold.118+0xb7/0x1bd [ 348.973868] 0 [ 348.976978] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 348.981267] 2815 [ 348.983070] ? lock_downgrade+0x900/0x900 [ 348.987883] 6318 [ 348.989954] ? trace_hardirqs_off+0xb8/0x300 [ 348.994080] 6318 [ 348.996146] ? trace_hardirqs_off+0xb8/0x300 [ 349.002588] __alloc_pages_slowpath+0x2667/0x2d80 [ 349.006968] Node 0 DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 349.011841] ? warn_alloc+0x120/0x120 [ 349.011861] ? warn_alloc+0x120/0x120 [ 349.039163] lowmem_reserve[]: 0 [ 349.042988] ? print_usage_bug+0xc0/0xc0 [ 349.046752] 0 [ 349.050037] ? warn_alloc+0x120/0x120 [ 349.054058] 3503 3503 [ 349.055868] ? print_usage_bug+0xc0/0xc0 [ 349.062129] ? __lock_acquire+0x7ec/0x4ec0 [ 349.066161] Node 0 [ 349.070385] ? __lock_acquire+0x7ec/0x4ec0 [ 349.070421] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 349.072626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.076832] lowmem_reserve[]: [ 349.105213] ? should_fail+0x22d/0xd01 [ 349.110725] 0 [ 349.113832] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.117682] 0 [ 349.119486] ? __lock_acquire+0x7ec/0x4ec0 [ 349.124556] 0 0 [ 349.126372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.132541] ? __lock_acquire+0x7ec/0x4ec0 [ 349.132558] ? should_fail+0x22d/0xd01 [ 349.137641] Node 0 [ 349.141885] ? mark_held_locks+0x130/0x130 [ 349.145734] DMA: [ 349.147980] ? mark_held_locks+0x130/0x130 [ 349.152185] 1*4kB [ 349.154249] ? graph_lock+0x170/0x170 [ 349.158456] (U) [ 349.160597] ? graph_lock+0x170/0x170 [ 349.164372] 0*8kB [ 349.166341] ? graph_lock+0x170/0x170 [ 349.170115] 0*16kB [ 349.172258] ? print_usage_bug+0xc0/0xc0 [ 349.176037] 1*32kB [ 349.178271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.182302] (U) [ 349.184534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.190047] 2*64kB [ 349.192016] ? check_preemption_disabled+0x48/0x200 [ 349.197522] (U) [ 349.199753] ? check_preemption_disabled+0x48/0x200 [ 349.204735] 1*128kB (U) [ 349.206722] ? __lock_is_held+0xb5/0x140 [ 349.211701] 1*256kB [ 349.214371] __alloc_pages_nodemask+0xa80/0xde0 [ 349.218398] (U) [ 349.220712] ? graph_lock+0x170/0x170 [ 349.225358] 0*512kB [ 349.227329] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 349.231096] 1*1024kB (U) [ 349.233424] ? graph_lock+0x170/0x170 [ 349.238417] 1*2048kB [ 349.241177] ? find_held_lock+0x36/0x1c0 [ 349.244950] (M) [ 349.247361] ? ____cache_alloc_node+0x1c7/0x1e0 [ 349.251389] 3*4096kB [ 349.253356] ? lock_downgrade+0x900/0x900 [ 349.258028] (M) [ 349.260438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.264553] = 15908kB [ 349.266522] cache_grow_begin+0x91/0x8c0 [ 349.272037] Node 0 [ 349.274441] ? do_raw_spin_unlock+0xa7/0x2f0 [ 349.278472] DMA32: [ 349.280707] fallback_alloc+0x203/0x2e0 [ 349.285082] 3*4kB [ 349.287314] ____cache_alloc_node+0x1c7/0x1e0 [ 349.291256] (M) [ 349.293400] kmem_cache_alloc_node+0xe3/0x730 [ 349.297869] 2*8kB [ 349.299846] ? ipv6_get_ifaddr+0x42e/0x620 [ 349.304309] (M) [ 349.306458] __alloc_skb+0x119/0x770 [ 349.310657] 2*16kB [ 349.312628] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 349.316308] (UM) [ 349.318536] ? skb_scrub_packet+0x490/0x490 [ 349.323791] 1*32kB [ 349.325847] ? lock_downgrade+0x900/0x900 [ 349.330139] (M) [ 349.332376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.336493] 3*64kB [ 349.338462] ? refcount_sub_and_test_checked+0x203/0x310 [ 349.343968] (UM) [ 349.346200] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 349.351624] 3*128kB [ 349.353684] ? addrconf_rs_timer+0x6f0/0x6f0 [ 349.359101] (M) [ 349.361424] ndisc_alloc_skb+0x144/0x340 [ 349.365798] 2*256kB [ 349.367769] ndisc_send_rs+0x331/0x6e0 [ 349.371802] (M) [ 349.374126] addrconf_rs_timer+0x3c0/0x6f0 [ 349.377985] 3*512kB [ 349.379960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.384168] (M) [ 349.386498] call_timer_fn+0x272/0x920 [ 349.390697] 4*1024kB [ 349.392669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.396543] (UM) [ 349.398934] ? process_timeout+0x40/0x40 [ 349.403146] 3*2048kB [ 349.405200] ? find_held_lock+0x36/0x1c0 [ 349.409235] (M) [ 349.411642] ? __run_timers+0x7da/0xc70 [ 349.415670] 3*4096kB [ 349.417637] ? _raw_spin_unlock_irq+0x27/0x80 [ 349.421583] (M) [ 349.423983] ? _raw_spin_unlock_irq+0x27/0x80 [ 349.428452] = 25244kB [ 349.430422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.434890] Node 0 [ 349.437293] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 349.441496] Normal: [ 349.443728] ? trace_hardirqs_on+0xbd/0x310 [ 349.448280] 1139*4kB [ 349.450594] ? kasan_check_read+0x11/0x20 [ 349.454888] (MEH) [ 349.457292] ? __run_timers+0x7da/0xc70 [ 349.461413] 438*8kB [ 349.463561] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 349.467506] (UME) [ 349.469830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.475252] 175*16kB [ 349.477398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.481602] (UME) [ 349.484009] __run_timers+0x7e5/0xc70 [ 349.488218] 64*32kB [ 349.490371] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 349.494134] (UMEH) [ 349.496455] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 349.501790] 14*64kB [ 349.504018] ? graph_lock+0x170/0x170 [ 349.509005] (UM) [ 349.511320] ? enqueue_hrtimer+0x1a5/0x560 [ 349.515094] 1*128kB [ 349.517151] ? lock_release+0x970/0x970 [ 349.521358] (H) [ 349.523677] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 349.527625] 0*256kB [ 349.529594] ? find_held_lock+0x36/0x1c0 [ 349.534753] 0*512kB [ 349.537068] ? graph_lock+0x170/0x170 [ 349.541105] 0*1024kB [ 349.543424] ? pvclock_read_flags+0x160/0x160 [ 349.547196] 0*2048kB [ 349.549601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.554067] 0*4096kB [ 349.556468] ? check_preemption_disabled+0x48/0x200 [ 349.561978] = 13932kB [ 349.564387] ? __lock_is_held+0xb5/0x140 [ 349.569373] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 349.571769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.575809] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 349.584629] ? check_preemption_disabled+0x48/0x200 [ 349.590138] 788 total pagecache pages [ 349.598708] run_timer_softirq+0x52/0xb0 [ 349.603702] 0 pages in swap cache [ 349.607484] ? rcu_read_lock_sched_held+0x108/0x120 [ 349.611523] Swap cache stats: add 0, delete 0, find 0/0 [ 349.614981] __do_softirq+0x30b/0xad8 [ 349.619971] Free swap = 0kB [ 349.625333] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 349.629104] Total swap = 0kB [ 349.632117] ? pvclock_read_flags+0x160/0x160 [ 349.637190] 1965979 pages RAM [ 349.640202] ? lapic_next_event+0x5a/0x90 [ 349.644672] 0 pages HighMem/MovableOnly [ 349.647778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.651896] 343323 pages reserved [ 349.655865] ? check_preemption_disabled+0x48/0x200 [ 349.661378] 0 pages cma reserved [ 349.664819] ? check_preemption_disabled+0x48/0x200 [ 349.670147] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 349.673169] ? kvm_clock_read+0x18/0x30 [ 349.678160] syz-fuzzer cpuset= [ 349.688377] ? kvm_sched_clock_read+0x9/0x20 [ 349.692323] / [ 349.695509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.699892] mems_allowed=0 [ 349.701597] ? check_preemption_disabled+0x48/0x200 [ 349.715051] irq_exit+0x17f/0x1c0 [ 349.718513] smp_apic_timer_interrupt+0x1cb/0x760 [ 349.723357] ? smp_reschedule_interrupt+0x109/0x650 [ 349.728374] ? smp_call_function_single_interrupt+0x650/0x650 [ 349.734258] ? interrupt_entry+0xb5/0xf0 [ 349.738323] ? trace_hardirqs_off_caller+0xbb/0x300 [ 349.743337] ? trace_hardirqs_off_caller+0xbb/0x300 [ 349.748358] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.753203] ? trace_hardirqs_off+0x300/0x300 [ 349.757698] ? trace_hardirqs_off+0x300/0x300 [ 349.762202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.767738] ? check_preemption_disabled+0x48/0x200 [ 349.772752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.778300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.783159] apic_timer_interrupt+0xf/0x20 [ 349.787387] [ 349.789630] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 349.794561] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 349.813460] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 349.821173] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 349.828437] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 349.835704] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 349.842968] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 349.850235] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 349.857555] skb_clone+0x1bb/0x500 [ 349.861098] ? finish_task_switch+0x2f5/0x900 [ 349.865595] ? skb_split+0x11e0/0x11e0 [ 349.869486] ? preempt_notifier_register+0x200/0x200 [ 349.874590] ? __switch_to_asm+0x34/0x70 [ 349.878653] ? __switch_to_asm+0x34/0x70 [ 349.882800] ? __switch_to_asm+0x40/0x70 [ 349.886859] ? __switch_to_asm+0x34/0x70 [ 349.890914] ? __switch_to_asm+0x40/0x70 [ 349.894982] ? __switch_to_asm+0x34/0x70 [ 349.899044] ? __switch_to_asm+0x40/0x70 [ 349.903103] ? __switch_to_asm+0x34/0x70 [ 349.907164] ? __switch_to_asm+0x34/0x70 [ 349.911220] ? __switch_to_asm+0x40/0x70 [ 349.915279] ? __switch_to_asm+0x34/0x70 [ 349.919352] bpf_clone_redirect+0xb9/0x490 [ 349.923590] ? __schedule+0x874/0x1ed0 [ 349.927486] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 349.932506] ? __sched_text_start+0x8/0x8 [ 349.936657] ? retint_kernel+0x2d/0x2d [ 349.940555] ? find_held_lock+0x36/0x1c0 [ 349.944624] ? lock_acquire+0x1ed/0x520 [ 349.948598] ? bpf_test_run+0x32e/0x5a0 [ 349.952574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.958110] ? check_preemption_disabled+0x48/0x200 [ 349.963128] ? kasan_check_read+0x11/0x20 [ 349.967280] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 349.972558] ? rcu_bh_qs+0xc0/0xc0 [ 349.976100] ? preempt_schedule+0x4d/0x60 [ 349.980251] ? ___preempt_schedule+0x16/0x18 [ 349.984671] ? bpf_test_run+0x1c0/0x5a0 [ 349.988655] ? netlink_diag_dump+0x2a0/0x2a0 [ 349.993067] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.998601] ? bpf_test_init.isra.9+0x70/0x100 [ 350.003186] ? bpf_prog_test_run_skb+0x634/0xb40 [ 350.007960] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 350.012802] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 350.018742] ? fput+0x130/0x1a0 [ 350.022023] ? __bpf_prog_get+0x9b/0x290 [ 350.026095] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 350.031114] ? bpf_prog_test_run+0x130/0x1a0 [ 350.035531] ? __x64_sys_bpf+0x3d8/0x510 [ 350.039592] ? bpf_prog_get+0x20/0x20 [ 350.043401] ? ksys_ioctl+0x81/0xd0 [ 350.047047] ? do_syscall_64+0x1b9/0x820 [ 350.051114] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 350.056479] ? syscall_return_slowpath+0x5e0/0x5e0 [ 350.061413] ? trace_hardirqs_off+0x300/0x300 [ 350.065910] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 350.070929] ? recalc_sigpending_tsk+0x180/0x180 [ 350.075693] ? kasan_check_write+0x14/0x20 [ 350.079933] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.084796] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 350.090180] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 350.090271] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 350.097110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.097116] Call Trace: [ 350.097123] [ 350.097140] dump_stack+0x1c4/0x2b4 [ 350.097161] ? dump_stack_print_info.cold.2+0x52/0x52 [ 350.103744] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.112996] warn_alloc.cold.118+0xb7/0x1bd [ 350.115546] syz-executor6 cpuset= [ 350.117687] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 350.121285] syz6 [ 350.126468] ? lock_downgrade+0x900/0x900 [ 350.136932] mems_allowed=0 [ 350.141256] ? trace_hardirqs_off+0xb8/0x300 [ 350.163403] ? trace_hardirqs_off+0xb8/0x300 [ 350.167823] __alloc_pages_slowpath+0x2667/0x2d80 [ 350.173261] ? warn_alloc+0x120/0x120 [ 350.177068] ? warn_alloc+0x120/0x120 [ 350.180870] ? print_usage_bug+0xc0/0xc0 [ 350.184929] ? warn_alloc+0x120/0x120 [ 350.188737] ? print_usage_bug+0xc0/0xc0 [ 350.192797] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 350.197997] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.203541] ? should_fail+0x22d/0xd01 [ 350.207436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.212549] ? __lock_acquire+0x7ec/0x4ec0 [ 350.216787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.221891] ? __lock_acquire+0x7ec/0x4ec0 [ 350.226125] ? should_fail+0x22d/0xd01 [ 350.230032] ? mark_held_locks+0x130/0x130 [ 350.234273] ? mark_held_locks+0x130/0x130 [ 350.238512] ? graph_lock+0x170/0x170 [ 350.242326] ? graph_lock+0x170/0x170 [ 350.246136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.251675] ? check_preemption_disabled+0x48/0x200 [ 350.256686] ? check_preemption_disabled+0x48/0x200 [ 350.261714] ? __lock_is_held+0xb5/0x140 [ 350.265786] __alloc_pages_nodemask+0xa80/0xde0 [ 350.270459] ? graph_lock+0x170/0x170 [ 350.274265] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 350.279280] ? graph_lock+0x170/0x170 [ 350.283096] ? find_held_lock+0x36/0x1c0 [ 350.287168] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.291838] ? lock_downgrade+0x900/0x900 [ 350.296022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.301588] cache_grow_begin+0x91/0x8c0 [ 350.305648] ? do_raw_spin_unlock+0xa7/0x2f0 [ 350.310072] fallback_alloc+0x203/0x2e0 [ 350.314057] ____cache_alloc_node+0x1c7/0x1e0 [ 350.318564] __kmalloc+0x208/0x760 [ 350.322114] ? __neigh_create+0x30b/0x2130 [ 350.326353] __neigh_create+0x30b/0x2130 [ 350.330416] ? trace_hardirqs_on+0xbd/0x310 [ 350.334740] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 350.340280] ? ip6t_do_table+0xd9e/0x1d30 [ 350.344438] ? mark_held_locks+0x130/0x130 [ 350.348674] ? __local_bh_enable_ip+0x160/0x260 [ 350.353350] ? neigh_hash_alloc+0x1e0/0x1e0 [ 350.357675] ? graph_lock+0x170/0x170 [ 350.361479] ? ip6t_do_table+0xd9e/0x1d30 [ 350.365627] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.371075] ? trace_hardirqs_on+0xbd/0x310 [ 350.375404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.380958] ? ip6t_do_table+0xd6a/0x1d30 [ 350.385123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.390664] ? check_preemption_disabled+0x48/0x200 [ 350.395676] ? check_preemption_disabled+0x48/0x200 [ 350.400704] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 350.406242] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 350.411525] ? rcu_pm_notify+0xc0/0xc0 [ 350.415418] ? graph_lock+0x170/0x170 [ 350.419223] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 350.424511] ip6_finish_output2+0xa59/0x27a0 [ 350.428950] ? ip6_copy_metadata+0xe30/0xe30 [ 350.433363] ? ip6_mtu+0x39c/0x520 [ 350.436908] ? lock_downgrade+0x900/0x900 [ 350.441059] ? check_preemption_disabled+0x48/0x200 [ 350.446085] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 350.451877] ? kasan_check_read+0x11/0x20 [ 350.456026] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 350.461306] ? rcu_bh_qs+0xc0/0xc0 [ 350.464861] ? ip6_mtu+0x160/0x520 [ 350.468401] ? dst_hold+0x2f0/0x2f0 [ 350.472027] ? kasan_check_read+0x11/0x20 [ 350.476176] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 350.481454] ? nf_nat_ipv6_out+0x212/0x550 [ 350.485699] ip6_finish_output+0x5fe/0xbc0 [ 350.489935] ? ip6_finish_output+0x5fe/0xbc0 [ 350.494360] ip6_output+0x23e/0xa00 [ 350.497987] ? check_preemption_disabled+0x48/0x200 [ 350.503006] ? ip6_finish_output+0xbc0/0xbc0 [ 350.507420] ? ip6_fragment+0x38c0/0x38c0 [ 350.511567] ? __lock_is_held+0xb5/0x140 [ 350.515643] ndisc_send_skb+0x1005/0x1570 [ 350.519803] ? ndisc_constructor+0xc40/0xc40 [ 350.524214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.529756] ? refcount_sub_and_test_checked+0x203/0x310 [ 350.535211] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 350.540673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.546220] ndisc_send_rs+0x134/0x6e0 [ 350.550113] addrconf_rs_timer+0x3c0/0x6f0 [ 350.554352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.558600] call_timer_fn+0x272/0x920 [ 350.562487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.566721] ? process_timeout+0x40/0x40 [ 350.570782] ? find_held_lock+0x36/0x1c0 [ 350.574852] ? mark_held_locks+0xc7/0x130 [ 350.579006] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.583500] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.588001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.592237] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 350.596822] ? trace_hardirqs_on+0xbd/0x310 [ 350.601142] ? kasan_check_read+0x11/0x20 [ 350.605294] ? __run_timers+0x7da/0xc70 [ 350.609267] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.614721] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.618969] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.623206] __run_timers+0x7e5/0xc70 [ 350.627025] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 350.632393] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 350.637672] ? rcu_bh_qs+0xc0/0xc0 [ 350.641218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.646765] ? mark_held_locks+0xc7/0x130 [ 350.650952] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 350.655719] ? retint_kernel+0x2d/0x2d [ 350.659612] ? trace_hardirqs_on_caller+0xc0/0x300 [ 350.664547] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 350.669302] ? trace_hardirqs_off_caller+0x300/0x300 [ 350.674403] ? check_preemption_disabled+0x48/0x200 [ 350.679418] ? graph_lock+0x170/0x170 [ 350.683227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.688766] ? check_preemption_disabled+0x48/0x200 [ 350.693795] ? __lock_is_held+0xb5/0x140 [ 350.697861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.703396] ? check_preemption_disabled+0x48/0x200 [ 350.708423] run_timer_softirq+0x52/0xb0 [ 350.712485] ? rcu_read_lock_sched_held+0x108/0x120 [ 350.717508] __do_softirq+0x30b/0xad8 [ 350.721327] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 350.726435] ? pvclock_read_flags+0x160/0x160 [ 350.730934] ? lapic_next_event+0x5a/0x90 [ 350.735096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.740633] ? check_preemption_disabled+0x48/0x200 [ 350.745649] ? check_preemption_disabled+0x48/0x200 [ 350.750670] ? kvm_clock_read+0x18/0x30 [ 350.754643] ? kvm_sched_clock_read+0x9/0x20 [ 350.759055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.764588] ? check_preemption_disabled+0x48/0x200 [ 350.769621] irq_exit+0x17f/0x1c0 [ 350.773084] smp_apic_timer_interrupt+0x1cb/0x760 [ 350.777934] ? smp_call_function_single_interrupt+0x650/0x650 [ 350.783829] ? interrupt_entry+0xb5/0xf0 [ 350.787892] ? trace_hardirqs_off_caller+0xbb/0x300 [ 350.792905] ? trace_hardirqs_off_caller+0xbb/0x300 [ 350.797926] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.802777] ? trace_hardirqs_off+0x300/0x300 [ 350.807271] ? trace_hardirqs_off+0x300/0x300 [ 350.811772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.817310] ? check_preemption_disabled+0x48/0x200 [ 350.822323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.827867] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.832720] apic_timer_interrupt+0xf/0x20 [ 350.836952] [ 350.839191] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 350.844473] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 350.863370] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 350.871083] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 350.878347] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 350.885614] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 350.892878] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 350.900141] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 350.907432] ? arch_local_irq_restore+0x45/0x52 [ 350.912118] dump_stack+0x26a/0x2b4 [ 350.915747] ? dump_stack_print_info.cold.2+0x52/0x52 [ 350.920953] ? mark_held_locks+0x130/0x130 [ 350.925189] ? mark_held_locks+0x130/0x130 [ 350.929428] dump_header+0x27b/0xf72 [ 350.933155] ? pagefault_out_of_memory+0x197/0x197 [ 350.938092] ? mark_held_locks+0x130/0x130 [ 350.942328] ? __lock_acquire+0x7ec/0x4ec0 [ 350.946570] ? mem_cgroup_charge_statistics+0x780/0x780 [ 350.951937] ? print_usage_bug+0xc0/0xc0 [ 350.956009] ? print_usage_bug+0xc0/0xc0 [ 350.960075] ? graph_lock+0x170/0x170 [ 350.963872] ? graph_lock+0x170/0x170 [ 350.967673] ? print_usage_bug+0xc0/0xc0 [ 350.971731] ? print_usage_bug+0xc0/0xc0 [ 350.975799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.981343] ? find_held_lock+0x36/0x1c0 [ 350.985413] ? mark_held_locks+0xc7/0x130 [ 350.989570] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 350.994673] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 350.999778] ? lockdep_hardirqs_on+0x421/0x5c0 [ 351.004368] ? trace_hardirqs_on+0xbd/0x310 [ 351.008689] ? kasan_check_read+0x11/0x20 [ 351.012841] ? ___ratelimit+0x36f/0x655 [ 351.016820] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 351.022271] ? trace_hardirqs_on+0x310/0x310 [ 351.026680] ? lock_downgrade+0x900/0x900 [ 351.030837] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 351.035964] ? ___ratelimit+0xaa/0x655 [ 351.039859] ? idr_get_free+0xec0/0xec0 [ 351.043836] ? kasan_check_write+0x14/0x20 [ 351.048072] ? do_raw_spin_lock+0xc1/0x200 [ 351.052319] oom_kill_process.cold.27+0x10/0x903 [ 351.057076] ? graph_lock+0x170/0x170 [ 351.060878] ? _raw_spin_unlock+0x2c/0x50 [ 351.065025] ? oom_badness+0xe6/0xaa0 [ 351.068834] ? oom_evaluate_task+0x540/0x540 [ 351.073250] ? find_held_lock+0x36/0x1c0 [ 351.077317] ? out_of_memory+0x974/0x14c0 [ 351.081468] ? lock_downgrade+0x900/0x900 [ 351.085615] ? check_preemption_disabled+0x48/0x200 [ 351.090637] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 351.096433] ? kasan_check_read+0x11/0x20 [ 351.100589] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 351.105870] ? rcu_bh_qs+0xc0/0xc0 [ 351.109413] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 351.114431] ? oom_evaluate_task+0x302/0x540 [ 351.118841] out_of_memory+0xa86/0x14c0 [ 351.122827] ? oom_killer_disable+0x3a0/0x3a0 [ 351.127321] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 351.132258] ? __mutex_add_waiter+0x2a0/0x2a0 [ 351.136767] __alloc_pages_slowpath+0x2318/0x2d80 [ 351.141641] ? warn_alloc+0x120/0x120 [ 351.145456] ? find_get_entry+0x2f2/0xc40 [ 351.150079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.155621] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 351.160559] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.166101] ? should_fail+0x22d/0xd01 [ 351.169993] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.175102] ? __lock_is_held+0xb5/0x140 [ 351.179191] ? __lock_is_held+0xb5/0x140 [ 351.183262] ? find_held_lock+0x36/0x1c0 [ 351.187328] ? ___might_sleep+0x1ed/0x300 [ 351.191476] ? lock_release+0x970/0x970 [ 351.195452] ? arch_local_save_flags+0x40/0x40 [ 351.200047] ? __might_sleep+0x95/0x190 [ 351.204041] __alloc_pages_nodemask+0xa80/0xde0 [ 351.208722] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 351.213741] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 351.219541] ? kasan_check_read+0x11/0x20 [ 351.223691] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 351.228980] ? graph_lock+0x170/0x170 [ 351.232784] ? print_usage_bug+0xc0/0xc0 [ 351.236847] ? graph_lock+0x170/0x170 [ 351.240646] ? graph_lock+0x170/0x170 [ 351.244449] ? __do_page_cache_readahead+0x7ce/0x980 [ 351.249561] ? find_held_lock+0x36/0x1c0 [ 351.253628] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 351.259173] alloc_pages_current+0x10c/0x210 [ 351.263585] ? lock_downgrade+0x900/0x900 [ 351.267738] __page_cache_alloc+0x38f/0x5b0 [ 351.272062] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 351.277856] ? kasan_check_read+0x11/0x20 [ 351.282005] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 351.287290] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 351.291992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.297540] ? check_preemption_disabled+0x48/0x200 [ 351.302572] filemap_fault+0x1594/0x25f0 [ 351.306650] ? __lock_page_or_retry+0xa00/0xa00 [ 351.311322] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 351.317120] ? kasan_check_read+0x11/0x20 [ 351.321271] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 351.326556] ? rcu_bh_qs+0xc0/0xc0 [ 351.330117] ? filemap_map_pages+0xdea/0x1980 [ 351.334622] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 351.339728] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 351.345003] ? debug_object_free+0x325/0x690 [ 351.349419] ? find_get_pages_range_tag+0x1320/0x1320 [ 351.354616] ? graph_lock+0x170/0x170 [ 351.358425] ? kasan_check_read+0x11/0x20 [ 351.362574] ? debug_object_destroy+0x2b0/0x2b0 [ 351.367257] ? lock_acquire+0x1ed/0x520 [ 351.371232] ? ext4_filemap_fault+0x7a/0xad [ 351.375562] ? lock_release+0x970/0x970 [ 351.379545] ? arch_local_save_flags+0x40/0x40 [ 351.384135] ? futex_wait_setup+0x3e0/0x3e0 [ 351.388472] ? down_read+0xb0/0x1d0 [ 351.392099] ? ext4_filemap_fault+0x7a/0xad [ 351.396425] ? __down_interruptible+0x700/0x700 [ 351.401113] ext4_filemap_fault+0x82/0xad [ 351.405270] __do_fault+0x100/0x6b0 [ 351.408904] ? print_bad_pte+0x6c0/0x6c0 [ 351.412978] ? do_futex+0x249/0x26d0 [ 351.416696] ? kasan_check_read+0x11/0x20 [ 351.420841] ? pmd_val+0x88/0x100 [ 351.424296] ? add_mm_counter_fast+0xd0/0xd0 [ 351.428704] ? pmd_val+0x88/0x100 [ 351.432159] ? add_mm_counter_fast+0xd0/0xd0 [ 351.436579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.442121] __handle_mm_fault+0x3709/0x53e0 [ 351.446536] ? perf_trace_lock+0x14d/0x7a0 [ 351.450781] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 351.455627] ? graph_lock+0x170/0x170 [ 351.459428] ? print_usage_bug+0xc0/0xc0 [ 351.463496] ? graph_lock+0x170/0x170 [ 351.467294] ? graph_lock+0x170/0x170 [ 351.471116] ? handle_mm_fault+0x42a/0xc70 [ 351.475354] ? lock_downgrade+0x900/0x900 [ 351.479508] ? check_preemption_disabled+0x48/0x200 [ 351.484542] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 351.490338] ? kasan_check_read+0x11/0x20 [ 351.494492] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 351.499773] ? rcu_bh_qs+0xc0/0xc0 [ 351.503311] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 351.508764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.514302] ? check_preemption_disabled+0x48/0x200 [ 351.519332] handle_mm_fault+0x54f/0xc70 [ 351.523397] ? __handle_mm_fault+0x53e0/0x53e0 [ 351.527986] ? find_vma+0x34/0x190 [ 351.531540] __do_page_fault+0x67d/0xed0 [ 351.535609] ? mm_fault_error+0x380/0x380 [ 351.539754] ? trace_hardirqs_off+0xb8/0x300 [ 351.544162] ? trace_hardirqs_on+0x310/0x310 [ 351.548573] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.553950] ? trace_hardirqs_on+0x310/0x310 [ 351.558370] do_page_fault+0xf2/0x7e0 [ 351.562175] ? vmalloc_sync_all+0x30/0x30 [ 351.566328] ? error_entry+0x70/0xd0 [ 351.570042] ? trace_hardirqs_off_caller+0xbb/0x300 [ 351.575060] ? trace_hardirqs_on_caller+0xc0/0x300 [ 351.579990] ? syscall_return_slowpath+0x5e0/0x5e0 [ 351.584920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.589773] ? trace_hardirqs_off+0x300/0x300 [ 351.594266] ? trace_hardirqs_off_caller+0x300/0x300 [ 351.599373] ? prepare_exit_to_usermode+0x291/0x3b0 [ 351.604395] ? page_fault+0x8/0x30 [ 351.607949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.612797] ? page_fault+0x8/0x30 [ 351.616339] page_fault+0x1e/0x30 [ 351.619795] RIP: 0033:0x45ddf3 [ 351.622994] Code: Bad RIP value. [ 351.626353] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 351.631713] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 351.638981] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 351.646246] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 351.653511] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 351.660783] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 351.668094] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 351.668100] warn_alloc_show_mem: 1 callbacks suppressed [ 351.668107] Mem-Info: [ 351.675378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.680749] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 351.680749] active_file:16 inactive_file:17 isolated_file:0 [ 351.680749] unevictable:0 dirty:0 writeback:0 unstable:0 [ 351.680749] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 351.680749] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 351.680749] free:13771 free_pcp:233 free_cma:0 [ 351.683115] Call Trace: [ 351.692499] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 351.725350] [ 351.727919] Node 0 [ 351.755601] dump_stack+0x1c4/0x2b4 [ 351.757745] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 351.759959] ? dump_stack_print_info.cold.2+0x52/0x52 [ 351.763557] lowmem_reserve[]: [ 351.789075] warn_alloc.cold.118+0xb7/0x1bd [ 351.794226] 0 [ 351.797323] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 351.801614] 2815 [ 351.803413] ? lock_downgrade+0x900/0x900 [ 351.808227] 6318 [ 351.810315] ? trace_hardirqs_off+0xb8/0x300 [ 351.814428] 6318 [ 351.816490] ? trace_hardirqs_off+0xb8/0x300 [ 351.822928] __alloc_pages_slowpath+0x2667/0x2d80 [ 351.827306] Node 0 DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 351.832167] ? warn_alloc+0x120/0x120 [ 351.832184] ? trace_hardirqs_on+0x310/0x310 [ 351.859478] lowmem_reserve[]: 0 [ 351.863284] ? warn_alloc+0x120/0x120 [ 351.867662] 0 [ 351.870934] ? print_usage_bug+0xc0/0xc0 [ 351.874714] 3503 [ 351.876509] ? warn_alloc+0x120/0x120 [ 351.880547] 3503 [ 351.882606] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 351.888442] ? print_usage_bug+0xc0/0xc0 [ 351.893429] Node 0 [ 351.897478] ? __lock_acquire+0x7ec/0x4ec0 [ 351.897510] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 351.897517] lowmem_reserve[]: [ 351.899746] ? __lock_acquire+0x7ec/0x4ec0 [ 351.903963] 0 [ 351.932340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.935417] 0 [ 351.939645] ? should_fail+0x22d/0xd01 [ 351.941417] 0 [ 351.946955] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.948728] 0 [ 351.952609] ? __lock_acquire+0x7ec/0x4ec0 [ 351.959479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.961253] Node 0 [ 351.965481] ? __lock_acquire+0x7ec/0x4ec0 [ 351.970559] DMA: [ 351.972789] ? should_fail+0x22d/0xd01 [ 351.976994] 1*4kB [ 351.979048] ? print_usage_bug+0xc0/0xc0 [ 351.982910] (U) [ 351.985063] ? mark_held_locks+0x130/0x130 [ 351.989101] 0*8kB [ 351.991071] ? mark_held_locks+0x130/0x130 [ 351.995282] 0*16kB [ 351.997428] ? graph_lock+0x170/0x170 [ 352.001632] 1*32kB [ 352.003862] ? print_usage_bug+0xc0/0xc0 [ 352.007634] (U) [ 352.009866] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 352.013895] 2*64kB (U) [ 352.015876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.020793] 1*128kB (U) [ 352.023387] ? check_preemption_disabled+0x48/0x200 [ 352.028898] 1*256kB [ 352.031559] ? check_preemption_disabled+0x48/0x200 [ 352.036550] (U) [ 352.038875] ? __lock_is_held+0xb5/0x140 [ 352.043848] 0*512kB 1*1024kB [ 352.045833] __alloc_pages_nodemask+0xa80/0xde0 [ 352.049864] (U) [ 352.052967] ? graph_lock+0x170/0x170 [ 352.057610] 1*2048kB [ 352.059579] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 352.063346] (M) [ 352.065746] ? graph_lock+0x170/0x170 [ 352.070730] 3*4096kB (M) [ 352.072715] ? find_held_lock+0x36/0x1c0 [ 352.076482] = 15908kB [ 352.079239] ? ____cache_alloc_node+0x1c7/0x1e0 [ 352.083263] Node 0 [ 352.085664] ? lock_downgrade+0x900/0x900 [ 352.090325] DMA32: [ 352.092565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.096680] 3*4kB [ 352.098916] cache_grow_begin+0x91/0x8c0 [ 352.104443] (M) [ 352.106588] ? do_raw_spin_unlock+0xa7/0x2f0 [ 352.110621] 2*8kB [ 352.112599] fallback_alloc+0x203/0x2e0 [ 352.116975] (M) [ 352.119127] ____cache_alloc_node+0x1c7/0x1e0 [ 352.123066] 2*16kB (UM) [ 352.125055] kmem_cache_alloc_node+0xe3/0x730 [ 352.129513] 1*32kB (M) [ 352.132193] ? ipv6_get_ifaddr+0x42e/0x620 [ 352.136653] 3*64kB (UM) [ 352.139255] __alloc_skb+0x119/0x770 [ 352.143450] 3*128kB [ 352.146119] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 352.150333] (M) 2*256kB [ 352.152689] ? skb_scrub_packet+0x490/0x490 [ 352.157935] (M) [ 352.160609] ? lock_downgrade+0x900/0x900 [ 352.164895] 3*512kB (M) [ 352.166877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.170992] 4*1024kB [ 352.173659] ? refcount_sub_and_test_checked+0x203/0x310 [ 352.179164] (UM) [ 352.181565] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 352.186986] 3*2048kB [ 352.189051] ? addrconf_rs_timer+0x6f0/0x6f0 [ 352.194463] (M) [ 352.196876] ndisc_alloc_skb+0x144/0x340 [ 352.201246] 3*4096kB [ 352.203217] ndisc_send_rs+0x331/0x6e0 [ 352.207249] (M) [ 352.209654] addrconf_rs_timer+0x3c0/0x6f0 [ 352.213509] = 25244kB [ 352.215482] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.219685] Node 0 [ 352.222100] call_timer_fn+0x272/0x920 [ 352.226297] Normal: [ 352.228525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.232388] 1139*4kB [ 352.234709] ? process_timeout+0x40/0x40 [ 352.238912] (MEH) [ 352.241314] ? find_held_lock+0x36/0x1c0 [ 352.245340] 438*8kB (UME) [ 352.247499] ? __run_timers+0x7da/0xc70 [ 352.251529] 175*16kB [ 352.254368] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.258309] (UME) [ 352.260711] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.265179] 64*32kB [ 352.267325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.271790] (UMEH) [ 352.274108] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 352.278314] 14*64kB [ 352.280543] ? trace_hardirqs_on+0xbd/0x310 [ 352.285096] (UM) [ 352.287409] ? kasan_check_read+0x11/0x20 [ 352.291698] 1*128kB (H) [ 352.293763] ? __run_timers+0x7da/0xc70 [ 352.297879] 0*256kB 0*512kB [ 352.300557] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.304506] 0*1024kB [ 352.307519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.312939] 0*2048kB [ 352.315350] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.319554] 0*4096kB [ 352.321967] __run_timers+0x7e5/0xc70 [ 352.326172] = 13932kB [ 352.328581] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 352.332353] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 352.334751] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 352.340089] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 352.348910] ? graph_lock+0x170/0x170 [ 352.353896] 788 total pagecache pages [ 352.362462] ? enqueue_hrtimer+0x1a5/0x560 [ 352.366247] 0 pages in swap cache [ 352.370039] ? lock_release+0x970/0x970 [ 352.374248] Swap cache stats: add 0, delete 0, find 0/0 [ 352.377691] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 352.381644] Free swap = 0kB [ 352.387001] ? find_held_lock+0x36/0x1c0 [ 352.392158] Total swap = 0kB [ 352.395167] ? graph_lock+0x170/0x170 [ 352.399201] 1965979 pages RAM [ 352.402215] ? pvclock_read_flags+0x160/0x160 [ 352.405983] 0 pages HighMem/MovableOnly [ 352.405991] 343323 pages reserved [ 352.409093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.413558] 0 pages cma reserved [ 352.417523] ? check_preemption_disabled+0x48/0x200 [ 352.421316] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 352.426494] ? __lock_is_held+0xb5/0x140 [ 352.429834] syz-fuzzer cpuset= [ 352.434844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.445038] / mems_allowed=0 [ 352.449098] ? check_preemption_disabled+0x48/0x200 [ 352.465793] run_timer_softirq+0x52/0xb0 [ 352.469855] ? rcu_read_lock_sched_held+0x108/0x120 [ 352.474877] __do_softirq+0x30b/0xad8 [ 352.478690] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 352.483843] ? pvclock_read_flags+0x160/0x160 [ 352.488340] ? lapic_next_event+0x5a/0x90 [ 352.492490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.498024] ? check_preemption_disabled+0x48/0x200 [ 352.503046] ? check_preemption_disabled+0x48/0x200 [ 352.508076] ? kvm_clock_read+0x18/0x30 [ 352.512055] ? kvm_sched_clock_read+0x9/0x20 [ 352.516466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.522001] ? check_preemption_disabled+0x48/0x200 [ 352.527038] irq_exit+0x17f/0x1c0 [ 352.530502] smp_apic_timer_interrupt+0x1cb/0x760 [ 352.535347] ? smp_reschedule_interrupt+0x109/0x650 [ 352.540366] ? smp_call_function_single_interrupt+0x650/0x650 [ 352.546250] ? interrupt_entry+0xb5/0xf0 [ 352.550314] ? trace_hardirqs_off_caller+0xbb/0x300 [ 352.555332] ? trace_hardirqs_off_caller+0xbb/0x300 [ 352.560348] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.565193] ? trace_hardirqs_off+0x300/0x300 [ 352.569686] ? trace_hardirqs_off+0x300/0x300 [ 352.574187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.579724] ? check_preemption_disabled+0x48/0x200 [ 352.584740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.590286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.595142] apic_timer_interrupt+0xf/0x20 [ 352.599373] [ 352.601614] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 352.606545] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 352.625443] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 352.633154] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 352.640420] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 352.647686] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 352.654958] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 352.662226] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 352.669546] skb_clone+0x1bb/0x500 [ 352.673091] ? finish_task_switch+0x2f5/0x900 [ 352.677590] ? skb_split+0x11e0/0x11e0 [ 352.681479] ? preempt_notifier_register+0x200/0x200 [ 352.686582] ? __switch_to_asm+0x34/0x70 [ 352.690640] ? __switch_to_asm+0x34/0x70 [ 352.694698] ? __switch_to_asm+0x40/0x70 [ 352.698753] ? __switch_to_asm+0x34/0x70 [ 352.702810] ? __switch_to_asm+0x40/0x70 [ 352.706868] ? __switch_to_asm+0x34/0x70 [ 352.710925] ? __switch_to_asm+0x40/0x70 [ 352.714991] ? __switch_to_asm+0x34/0x70 [ 352.719058] ? __switch_to_asm+0x34/0x70 [ 352.723116] ? __switch_to_asm+0x40/0x70 [ 352.727172] ? __switch_to_asm+0x34/0x70 [ 352.731243] bpf_clone_redirect+0xb9/0x490 [ 352.735480] ? __schedule+0x874/0x1ed0 [ 352.739380] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 352.744402] ? __sched_text_start+0x8/0x8 [ 352.748551] ? retint_kernel+0x2d/0x2d [ 352.752449] ? find_held_lock+0x36/0x1c0 [ 352.756519] ? lock_acquire+0x1ed/0x520 [ 352.760494] ? bpf_test_run+0x32e/0x5a0 [ 352.764471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.770006] ? check_preemption_disabled+0x48/0x200 [ 352.775030] ? kasan_check_read+0x11/0x20 [ 352.779193] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 352.784473] ? rcu_bh_qs+0xc0/0xc0 [ 352.788017] ? preempt_schedule+0x4d/0x60 [ 352.792171] ? ___preempt_schedule+0x16/0x18 [ 352.796588] ? bpf_test_run+0x1c0/0x5a0 [ 352.800576] ? netlink_diag_dump+0x2a0/0x2a0 [ 352.804989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.810527] ? bpf_test_init.isra.9+0x70/0x100 [ 352.815115] ? bpf_prog_test_run_skb+0x634/0xb40 [ 352.819880] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 352.824726] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 352.830261] ? fput+0x130/0x1a0 [ 352.833546] ? __bpf_prog_get+0x9b/0x290 [ 352.837616] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 352.842458] ? bpf_prog_test_run+0x130/0x1a0 [ 352.846878] ? __x64_sys_bpf+0x3d8/0x510 [ 352.850939] ? bpf_prog_get+0x20/0x20 [ 352.854762] ? ksys_ioctl+0x81/0xd0 [ 352.858403] ? do_syscall_64+0x1b9/0x820 [ 352.862465] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 352.867838] ? syscall_return_slowpath+0x5e0/0x5e0 [ 352.872771] ? trace_hardirqs_off+0x300/0x300 [ 352.877272] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 352.882288] ? recalc_sigpending_tsk+0x180/0x180 [ 352.887054] ? kasan_check_write+0x14/0x20 [ 352.891296] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.896152] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 352.901544] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 352.901631] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 352.908469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.908474] Call Trace: [ 352.908482] [ 352.908499] dump_stack+0x1c4/0x2b4 [ 352.908514] ? dump_stack_print_info.cold.2+0x52/0x52 [ 352.908547] warn_alloc.cold.118+0xb7/0x1bd [ 352.908564] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 352.915171] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 352.924402] ? lock_downgrade+0x900/0x900 [ 352.926965] syz-executor6 cpuset= [ 352.929117] ? trace_hardirqs_off+0xb8/0x300 [ 352.932713] syz6 [ 352.937898] ? trace_hardirqs_off+0xb8/0x300 [ 352.942191] mems_allowed=0 [ 352.947032] __alloc_pages_slowpath+0x2667/0x2d80 [ 352.983588] ? warn_alloc+0x120/0x120 [ 352.987397] ? warn_alloc+0x120/0x120 [ 352.991204] ? print_usage_bug+0xc0/0xc0 [ 352.995268] ? warn_alloc+0x120/0x120 [ 352.999072] ? print_usage_bug+0xc0/0xc0 [ 353.003145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.008685] ? should_fail+0x22d/0xd01 [ 353.012580] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.017684] ? __lock_acquire+0x7ec/0x4ec0 [ 353.021926] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.027036] ? __lock_acquire+0x7ec/0x4ec0 [ 353.031271] ? should_fail+0x22d/0xd01 [ 353.035169] ? mark_held_locks+0x130/0x130 [ 353.039410] ? mark_held_locks+0x130/0x130 [ 353.043641] ? graph_lock+0x170/0x170 [ 353.047449] ? graph_lock+0x170/0x170 [ 353.051256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.056791] ? check_preemption_disabled+0x48/0x200 [ 353.061806] ? check_preemption_disabled+0x48/0x200 [ 353.066833] ? __lock_is_held+0xb5/0x140 [ 353.070903] __alloc_pages_nodemask+0xa80/0xde0 [ 353.075570] ? graph_lock+0x170/0x170 [ 353.079373] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 353.084383] ? graph_lock+0x170/0x170 [ 353.088200] ? find_held_lock+0x36/0x1c0 [ 353.092272] ? ____cache_alloc_node+0x1c7/0x1e0 [ 353.096973] ? lock_downgrade+0x900/0x900 [ 353.101156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.106718] cache_grow_begin+0x91/0x8c0 [ 353.110791] ? do_raw_spin_unlock+0xa7/0x2f0 [ 353.115215] fallback_alloc+0x203/0x2e0 [ 353.119204] ____cache_alloc_node+0x1c7/0x1e0 [ 353.123708] __kmalloc+0x208/0x760 [ 353.127263] ? __neigh_create+0x30b/0x2130 [ 353.131508] __neigh_create+0x30b/0x2130 [ 353.135577] ? trace_hardirqs_on+0xbd/0x310 [ 353.139900] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.145445] ? ip6t_do_table+0xd9e/0x1d30 [ 353.149609] ? mark_held_locks+0x130/0x130 [ 353.153847] ? __local_bh_enable_ip+0x160/0x260 [ 353.158527] ? neigh_hash_alloc+0x1e0/0x1e0 [ 353.162855] ? graph_lock+0x170/0x170 [ 353.166657] ? ip6t_do_table+0xd9e/0x1d30 [ 353.170828] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.176280] ? trace_hardirqs_on+0xbd/0x310 [ 353.180607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.186149] ? ip6t_do_table+0xd6a/0x1d30 [ 353.190303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.195841] ? check_preemption_disabled+0x48/0x200 [ 353.200871] ? check_preemption_disabled+0x48/0x200 [ 353.205896] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 353.211436] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.216718] ? rcu_pm_notify+0xc0/0xc0 [ 353.220609] ? graph_lock+0x170/0x170 [ 353.224413] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 353.229617] ip6_finish_output2+0xa59/0x27a0 [ 353.234040] ? ip6_copy_metadata+0xe30/0xe30 [ 353.238454] ? ip6_mtu+0x39c/0x520 [ 353.241998] ? lock_downgrade+0x900/0x900 [ 353.246144] ? check_preemption_disabled+0x48/0x200 [ 353.251172] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 353.256976] ? kasan_check_read+0x11/0x20 [ 353.261127] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.266413] ? rcu_bh_qs+0xc0/0xc0 [ 353.269980] ? ip6_mtu+0x160/0x520 [ 353.273517] ? dst_hold+0x2f0/0x2f0 [ 353.277147] ? kasan_check_read+0x11/0x20 [ 353.281299] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.286668] ? nf_nat_ipv6_out+0x212/0x550 [ 353.290912] ip6_finish_output+0x5fe/0xbc0 [ 353.295153] ? ip6_finish_output+0x5fe/0xbc0 [ 353.299574] ip6_output+0x23e/0xa00 [ 353.303198] ? check_preemption_disabled+0x48/0x200 [ 353.308216] ? ip6_finish_output+0xbc0/0xbc0 [ 353.312631] ? ip6_fragment+0x38c0/0x38c0 [ 353.316784] ? __lock_is_held+0xb5/0x140 [ 353.320863] ndisc_send_skb+0x1005/0x1570 [ 353.325023] ? ndisc_constructor+0xc40/0xc40 [ 353.329436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.334980] ? refcount_sub_and_test_checked+0x203/0x310 [ 353.340438] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 353.345903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.351452] ndisc_send_rs+0x134/0x6e0 [ 353.355352] addrconf_rs_timer+0x3c0/0x6f0 [ 353.359602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.363853] call_timer_fn+0x272/0x920 [ 353.367740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.371985] ? process_timeout+0x40/0x40 [ 353.376047] ? find_held_lock+0x36/0x1c0 [ 353.380120] ? mark_held_locks+0xc7/0x130 [ 353.384274] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.388768] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.393262] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.397494] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 353.402079] ? trace_hardirqs_on+0xbd/0x310 [ 353.406398] ? kasan_check_read+0x11/0x20 [ 353.410553] ? __run_timers+0x7da/0xc70 [ 353.414530] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.420006] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.424247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.428481] __run_timers+0x7e5/0xc70 [ 353.432296] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 353.437664] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.442952] ? rcu_bh_qs+0xc0/0xc0 [ 353.446494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.452039] ? mark_held_locks+0xc7/0x130 [ 353.456194] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 353.460968] ? retint_kernel+0x2d/0x2d [ 353.464860] ? trace_hardirqs_on_caller+0xc0/0x300 [ 353.469794] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 353.474556] ? trace_hardirqs_off_caller+0x300/0x300 [ 353.479660] ? check_preemption_disabled+0x48/0x200 [ 353.484679] ? graph_lock+0x170/0x170 [ 353.488485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.494022] ? check_preemption_disabled+0x48/0x200 [ 353.499052] ? __lock_is_held+0xb5/0x140 [ 353.503115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.508651] ? check_preemption_disabled+0x48/0x200 [ 353.513678] run_timer_softirq+0x52/0xb0 [ 353.517744] ? rcu_read_lock_sched_held+0x108/0x120 [ 353.522766] __do_softirq+0x30b/0xad8 [ 353.526583] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 353.531696] ? pvclock_read_flags+0x160/0x160 [ 353.536194] ? lapic_next_event+0x5a/0x90 [ 353.540344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.545884] ? check_preemption_disabled+0x48/0x200 [ 353.550899] ? check_preemption_disabled+0x48/0x200 [ 353.555926] ? kvm_clock_read+0x18/0x30 [ 353.559912] ? kvm_sched_clock_read+0x9/0x20 [ 353.564331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.569866] ? check_preemption_disabled+0x48/0x200 [ 353.574896] irq_exit+0x17f/0x1c0 [ 353.578356] smp_apic_timer_interrupt+0x1cb/0x760 [ 353.583200] ? smp_call_function_single_interrupt+0x650/0x650 [ 353.589085] ? interrupt_entry+0xb5/0xf0 [ 353.593148] ? trace_hardirqs_off_caller+0xbb/0x300 [ 353.598165] ? trace_hardirqs_off_caller+0xbb/0x300 [ 353.603186] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.608031] ? trace_hardirqs_off+0x300/0x300 [ 353.612525] ? trace_hardirqs_off+0x300/0x300 [ 353.617031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.622564] ? check_preemption_disabled+0x48/0x200 [ 353.627579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.633135] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.638251] apic_timer_interrupt+0xf/0x20 [ 353.642480] [ 353.644716] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 353.649993] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 353.668898] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 353.676617] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 353.683893] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 353.691161] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 353.698428] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 353.705692] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 353.712996] ? arch_local_irq_restore+0x45/0x52 [ 353.717679] dump_stack+0x26a/0x2b4 [ 353.721311] ? dump_stack_print_info.cold.2+0x52/0x52 [ 353.726510] ? mark_held_locks+0x130/0x130 [ 353.730751] ? mark_held_locks+0x130/0x130 [ 353.734996] dump_header+0x27b/0xf72 [ 353.738731] ? pagefault_out_of_memory+0x197/0x197 [ 353.743671] ? mark_held_locks+0x130/0x130 [ 353.747906] ? __lock_acquire+0x7ec/0x4ec0 [ 353.752146] ? mem_cgroup_charge_statistics+0x780/0x780 [ 353.757511] ? print_usage_bug+0xc0/0xc0 [ 353.761575] ? print_usage_bug+0xc0/0xc0 [ 353.765643] ? graph_lock+0x170/0x170 [ 353.769444] ? graph_lock+0x170/0x170 [ 353.773242] ? print_usage_bug+0xc0/0xc0 [ 353.777301] ? print_usage_bug+0xc0/0xc0 [ 353.781373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.786916] ? find_held_lock+0x36/0x1c0 [ 353.790999] ? mark_held_locks+0xc7/0x130 [ 353.795150] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 353.800255] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 353.805360] ? lockdep_hardirqs_on+0x421/0x5c0 [ 353.809954] ? trace_hardirqs_on+0xbd/0x310 [ 353.814275] ? kasan_check_read+0x11/0x20 [ 353.818424] ? ___ratelimit+0x36f/0x655 [ 353.822402] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.827849] ? trace_hardirqs_on+0x310/0x310 [ 353.832260] ? lock_downgrade+0x900/0x900 [ 353.836417] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 353.841521] ? ___ratelimit+0xaa/0x655 [ 353.845415] ? idr_get_free+0xec0/0xec0 [ 353.849389] ? kasan_check_write+0x14/0x20 [ 353.853623] ? do_raw_spin_lock+0xc1/0x200 [ 353.857870] oom_kill_process.cold.27+0x10/0x903 [ 353.862625] ? graph_lock+0x170/0x170 [ 353.866426] ? _raw_spin_unlock+0x2c/0x50 [ 353.870572] ? oom_badness+0xe6/0xaa0 [ 353.874377] ? oom_evaluate_task+0x540/0x540 [ 353.878790] ? find_held_lock+0x36/0x1c0 [ 353.882860] ? out_of_memory+0x974/0x14c0 [ 353.887013] ? lock_downgrade+0x900/0x900 [ 353.891164] ? check_preemption_disabled+0x48/0x200 [ 353.896189] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 353.901987] ? kasan_check_read+0x11/0x20 [ 353.906135] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.911412] ? rcu_bh_qs+0xc0/0xc0 [ 353.914969] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 353.919986] ? oom_evaluate_task+0x302/0x540 [ 353.924397] out_of_memory+0xa86/0x14c0 [ 353.928383] ? oom_killer_disable+0x3a0/0x3a0 [ 353.932882] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 353.937815] ? __mutex_add_waiter+0x2a0/0x2a0 [ 353.942329] __alloc_pages_slowpath+0x2318/0x2d80 [ 353.947214] ? warn_alloc+0x120/0x120 [ 353.951044] ? find_get_entry+0x2f2/0xc40 [ 353.955228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.960801] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 353.965787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.971363] ? should_fail+0x22d/0xd01 [ 353.975283] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.980415] ? __lock_is_held+0xb5/0x140 [ 353.984538] ? __lock_is_held+0xb5/0x140 [ 353.988628] ? find_held_lock+0x36/0x1c0 [ 353.992709] ? ___might_sleep+0x1ed/0x300 [ 353.996868] ? lock_release+0x970/0x970 [ 354.000853] ? arch_local_save_flags+0x40/0x40 [ 354.005456] ? __might_sleep+0x95/0x190 [ 354.009451] __alloc_pages_nodemask+0xa80/0xde0 [ 354.014151] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 354.019741] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 354.025567] ? kasan_check_read+0x11/0x20 [ 354.029750] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 354.035074] ? graph_lock+0x170/0x170 [ 354.038896] ? print_usage_bug+0xc0/0xc0 [ 354.042979] ? graph_lock+0x170/0x170 [ 354.046784] ? graph_lock+0x170/0x170 [ 354.050588] ? __do_page_cache_readahead+0x7ce/0x980 [ 354.055704] ? find_held_lock+0x36/0x1c0 [ 354.059776] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 354.065327] alloc_pages_current+0x10c/0x210 [ 354.069746] ? lock_downgrade+0x900/0x900 [ 354.073904] __page_cache_alloc+0x38f/0x5b0 [ 354.078242] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 354.084060] ? kasan_check_read+0x11/0x20 [ 354.088257] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 354.093574] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 354.098282] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.103852] ? check_preemption_disabled+0x48/0x200 [ 354.108908] filemap_fault+0x1594/0x25f0 [ 354.113012] ? __lock_page_or_retry+0xa00/0xa00 [ 354.117693] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 354.123499] ? kasan_check_read+0x11/0x20 [ 354.127669] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 354.132973] ? rcu_bh_qs+0xc0/0xc0 [ 354.136558] ? filemap_map_pages+0xdea/0x1980 [ 354.141074] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 354.146193] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 354.151992] ? debug_object_free+0x325/0x690 [ 354.156414] ? find_get_pages_range_tag+0x1320/0x1320 [ 354.161615] ? graph_lock+0x170/0x170 [ 354.165430] ? kasan_check_read+0x11/0x20 [ 354.170119] ? debug_object_destroy+0x2b0/0x2b0 [ 354.174805] ? lock_acquire+0x1ed/0x520 [ 354.178787] ? ext4_filemap_fault+0x7a/0xad [ 354.183119] ? lock_release+0x970/0x970 [ 354.187098] ? arch_local_save_flags+0x40/0x40 [ 354.191691] ? futex_wait_setup+0x3e0/0x3e0 [ 354.196033] ? down_read+0xb0/0x1d0 [ 354.199664] ? ext4_filemap_fault+0x7a/0xad [ 354.203990] ? __down_interruptible+0x700/0x700 [ 354.208685] ext4_filemap_fault+0x82/0xad [ 354.212845] __do_fault+0x100/0x6b0 [ 354.216486] ? print_bad_pte+0x6c0/0x6c0 [ 354.220561] ? do_futex+0x249/0x26d0 [ 354.224285] ? kasan_check_read+0x11/0x20 [ 354.228443] ? pmd_val+0x88/0x100 [ 354.231902] ? add_mm_counter_fast+0xd0/0xd0 [ 354.236314] ? pmd_val+0x88/0x100 [ 354.239778] ? add_mm_counter_fast+0xd0/0xd0 [ 354.244202] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.249759] __handle_mm_fault+0x3709/0x53e0 [ 354.254176] ? perf_trace_lock+0x14d/0x7a0 [ 354.258429] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 354.263309] ? graph_lock+0x170/0x170 [ 354.267118] ? print_usage_bug+0xc0/0xc0 [ 354.271186] ? graph_lock+0x170/0x170 [ 354.274990] ? graph_lock+0x170/0x170 [ 354.278816] ? handle_mm_fault+0x42a/0xc70 [ 354.283061] ? lock_downgrade+0x900/0x900 [ 354.287213] ? check_preemption_disabled+0x48/0x200 [ 354.292244] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 354.298047] ? kasan_check_read+0x11/0x20 [ 354.302206] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 354.307490] ? rcu_bh_qs+0xc0/0xc0 [ 354.311035] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 354.316503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.322056] ? check_preemption_disabled+0x48/0x200 [ 354.327093] handle_mm_fault+0x54f/0xc70 [ 354.331166] ? __handle_mm_fault+0x53e0/0x53e0 [ 354.335754] ? find_vma+0x34/0x190 [ 354.339304] __do_page_fault+0x67d/0xed0 [ 354.343381] ? mm_fault_error+0x380/0x380 [ 354.347538] ? trace_hardirqs_off+0xb8/0x300 [ 354.351966] ? trace_hardirqs_on+0x310/0x310 [ 354.356381] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 354.361753] ? trace_hardirqs_on+0x310/0x310 [ 354.366175] do_page_fault+0xf2/0x7e0 [ 354.369987] ? vmalloc_sync_all+0x30/0x30 [ 354.374138] ? error_entry+0x70/0xd0 [ 354.377855] ? trace_hardirqs_off_caller+0xbb/0x300 [ 354.382874] ? trace_hardirqs_on_caller+0xc0/0x300 [ 354.387809] ? syscall_return_slowpath+0x5e0/0x5e0 [ 354.392737] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.397583] ? trace_hardirqs_off+0x300/0x300 [ 354.402082] ? trace_hardirqs_off_caller+0x300/0x300 [ 354.407198] ? prepare_exit_to_usermode+0x291/0x3b0 [ 354.412221] ? page_fault+0x8/0x30 [ 354.415766] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.420615] ? page_fault+0x8/0x30 [ 354.424159] page_fault+0x1e/0x30 [ 354.427613] RIP: 0033:0x45ddf3 [ 354.430816] Code: Bad RIP value. [ 354.434175] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 354.439545] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 354.446817] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 354.454086] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 354.461354] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 354.468621] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 354.475923] warn_alloc_show_mem: 1 callbacks suppressed [ 354.475936] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 354.475938] Mem-Info: [ 354.475980] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 354.475980] active_file:16 inactive_file:17 isolated_file:0 [ 354.475980] unevictable:0 dirty:0 writeback:0 unstable:0 [ 354.475980] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 354.475980] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 354.475980] free:13771 free_pcp:233 free_cma:0 [ 354.481327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.488609] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 354.491010] Call Trace: [ 354.523893] Node 0 [ 354.533262] [ 354.560974] 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 [ 354.563542] dump_stack+0x1c4/0x2b4 [ 354.565755] lowmem_reserve[]: [ 354.567910] ? dump_stack_print_info.cold.2+0x52/0x52 [ 354.593399] 0 [ 354.597056] warn_alloc.cold.118+0xb7/0x1bd [ 354.600207] 2815 [ 354.605409] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 354.607177] 6318 [ 354.611507] ? lock_downgrade+0x900/0x900 [ 354.613539] 6318 [ 354.618390] ? trace_hardirqs_off+0xb8/0x300 [ 354.624573] ? trace_hardirqs_off+0xb8/0x300 [ 354.626605] Node 0 [ 354.631027] __alloc_pages_slowpath+0x2667/0x2d80 [ 354.635424] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 354.637665] ? warn_alloc+0x120/0x120 [ 354.642450] lowmem_reserve[]: [ 354.669194] ? trace_hardirqs_on+0x310/0x310 [ 354.672988] 0 [ 354.676103] ? warn_alloc+0x120/0x120 [ 354.680482] 0 [ 354.682289] ? print_usage_bug+0xc0/0xc0 [ 354.686058] 3503 [ 354.687860] ? warn_alloc+0x120/0x120 [ 354.691888] 3503 [ 354.693961] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 354.699795] ? print_usage_bug+0xc0/0xc0 [ 354.704786] Node 0 Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 354.708885] ? __lock_acquire+0x7ec/0x4ec0 [ 354.708900] ? __lock_acquire+0x7ec/0x4ec0 [ 354.737861] lowmem_reserve[]: 0 [ 354.742132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.746336] 0 [ 354.749623] ? should_fail+0x22d/0xd01 [ 354.755127] 0 [ 354.756950] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.760793] 0 [ 354.762601] ? __lock_acquire+0x7ec/0x4ec0 [ 354.767671] Node 0 [ 354.769480] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.773670] DMA: 1*4kB [ 354.775923] ? __lock_acquire+0x7ec/0x4ec0 [ 354.780984] (U) 0*8kB [ 354.783584] ? should_fail+0x22d/0xd01 [ 354.787783] 0*16kB 1*32kB [ 354.790299] ? print_usage_bug+0xc0/0xc0 [ 354.794154] (U) [ 354.797012] ? mark_held_locks+0x130/0x130 [ 354.801044] 2*64kB [ 354.803028] ? mark_held_locks+0x130/0x130 [ 354.807227] (U) [ 354.809504] ? graph_lock+0x170/0x170 [ 354.813789] 1*128kB [ 354.815766] ? print_usage_bug+0xc0/0xc0 [ 354.819538] (U) [ 354.821864] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 354.825895] 1*256kB [ 354.827876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.832601] (U) [ 354.834932] ? check_preemption_disabled+0x48/0x200 [ 354.840437] 0*512kB 1*1024kB [ 354.842433] ? check_preemption_disabled+0x48/0x200 [ 354.847419] (U) [ 354.850542] ? __lock_is_held+0xb5/0x140 [ 354.855529] 1*2048kB [ 354.857515] __alloc_pages_nodemask+0xa80/0xde0 [ 354.861621] (M) 3*4096kB [ 354.864056] ? graph_lock+0x170/0x170 [ 354.868689] (M) [ 354.871457] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 354.875222] = 15908kB [ 354.877221] ? graph_lock+0x170/0x170 [ 354.882210] Node 0 [ 354.884637] ? find_held_lock+0x36/0x1c0 [ 354.888397] DMA32: [ 354.890645] ? ____cache_alloc_node+0x1c7/0x1e0 [ 354.894667] 3*4kB [ 354.896909] ? lock_downgrade+0x900/0x900 [ 354.901546] (M) 2*8kB [ 354.903721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.907829] (M) [ 354.910333] cache_grow_begin+0x91/0x8c0 [ 354.915839] 2*16kB [ 354.917820] ? do_raw_spin_unlock+0xa7/0x2f0 [ 354.921846] (UM) [ 354.924088] fallback_alloc+0x203/0x2e0 [ 354.928463] 1*32kB (M) [ 354.930551] ____cache_alloc_node+0x1c7/0x1e0 [ 354.934492] 3*64kB [ 354.937088] kmem_cache_alloc_node+0xe3/0x730 [ 354.941553] (UM) [ 354.943797] ? ipv6_get_ifaddr+0x42e/0x620 [ 354.948266] 3*128kB (M) [ 354.950363] __alloc_skb+0x119/0x770 [ 354.954584] 2*256kB [ 354.957277] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 354.960978] (M) [ 354.963324] ? skb_scrub_packet+0x490/0x490 [ 354.968839] 3*512kB (M) [ 354.970878] ? lock_downgrade+0x900/0x900 [ 354.975176] 4*1024kB (UM) [ 354.977884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.982016] 3*2048kB [ 354.984885] ? refcount_sub_and_test_checked+0x203/0x310 [ 354.990392] (M) 3*4096kB [ 354.992840] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 354.998254] (M) = 25244kB [ 355.001046] ? addrconf_rs_timer+0x6f0/0x6f0 [ 355.006468] Node 0 [ 355.009247] ndisc_alloc_skb+0x144/0x340 [ 355.013636] Normal: 1139*4kB [ 355.015903] ndisc_send_rs+0x331/0x6e0 [ 355.019934] (MEH) [ 355.023081] addrconf_rs_timer+0x3c0/0x6f0 [ 355.026941] 438*8kB [ 355.029107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.033304] (UME) 175*16kB [ 355.035661] call_timer_fn+0x272/0x920 [ 355.039860] (UME) [ 355.042795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.046651] 64*32kB [ 355.048801] ? process_timeout+0x40/0x40 [ 355.053005] (UMEH) [ 355.055326] ? find_held_lock+0x36/0x1c0 [ 355.059357] 14*64kB [ 355.061600] ? __run_timers+0x7da/0xc70 [ 355.065622] (UM) [ 355.067949] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.071914] 1*128kB [ 355.073983] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.078450] (H) [ 355.080779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.085245] 0*256kB 0*512kB [ 355.087245] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 355.091461] 0*1024kB [ 355.094523] ? trace_hardirqs_on+0xbd/0x310 [ 355.099080] 0*2048kB 0*4096kB [ 355.101519] ? kasan_check_read+0x11/0x20 [ 355.105820] = 13932kB [ 355.109024] ? __run_timers+0x7da/0xc70 [ 355.114023] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 355.116430] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 355.120381] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 355.129226] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.134659] 788 total pagecache pages [ 355.143257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.147472] 0 pages in swap cache [ 355.151279] __run_timers+0x7e5/0xc70 [ 355.155487] Swap cache stats: add 0, delete 0, find 0/0 [ 355.158952] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 355.162714] Free swap = 0kB [ 355.168094] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 355.173427] Total swap = 0kB [ 355.176447] ? graph_lock+0x170/0x170 [ 355.181435] 1965979 pages RAM [ 355.184450] ? enqueue_hrtimer+0x1a5/0x560 [ 355.188225] 0 pages HighMem/MovableOnly [ 355.191320] ? lock_release+0x970/0x970 [ 355.191338] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 355.195552] 343323 pages reserved [ 355.199528] ? find_held_lock+0x36/0x1c0 [ 355.203478] 0 pages cma reserved [ 355.208667] ? graph_lock+0x170/0x170 [ 355.212456] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.216149] ? pvclock_read_flags+0x160/0x160 [ 355.219495] syz-fuzzer cpuset= [ 355.223292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.233497] / [ 355.238000] ? check_preemption_disabled+0x48/0x200 [ 355.241162] mems_allowed=0 [ 355.246702] ? __lock_is_held+0xb5/0x140 [ 355.260367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.265909] ? check_preemption_disabled+0x48/0x200 [ 355.270966] run_timer_softirq+0x52/0xb0 [ 355.275124] ? rcu_read_lock_sched_held+0x108/0x120 [ 355.280151] __do_softirq+0x30b/0xad8 [ 355.283978] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 355.289095] ? pvclock_read_flags+0x160/0x160 [ 355.293592] ? lapic_next_event+0x5a/0x90 [ 355.297747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.303290] ? check_preemption_disabled+0x48/0x200 [ 355.308310] ? check_preemption_disabled+0x48/0x200 [ 355.313343] ? kvm_clock_read+0x18/0x30 [ 355.317329] ? kvm_sched_clock_read+0x9/0x20 [ 355.321751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.327300] ? check_preemption_disabled+0x48/0x200 [ 355.332342] irq_exit+0x17f/0x1c0 [ 355.335810] smp_apic_timer_interrupt+0x1cb/0x760 [ 355.340665] ? smp_reschedule_interrupt+0x109/0x650 [ 355.345701] ? smp_call_function_single_interrupt+0x650/0x650 [ 355.351625] ? interrupt_entry+0xb5/0xf0 [ 355.355707] ? trace_hardirqs_off_caller+0xbb/0x300 [ 355.360741] ? trace_hardirqs_off_caller+0xbb/0x300 [ 355.365776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.370642] ? trace_hardirqs_off+0x300/0x300 [ 355.375152] ? trace_hardirqs_off+0x300/0x300 [ 355.379673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.385232] ? check_preemption_disabled+0x48/0x200 [ 355.390266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.395839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.400725] apic_timer_interrupt+0xf/0x20 [ 355.404979] [ 355.407246] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 355.412202] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 355.431127] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 355.438865] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 355.446160] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 355.453469] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 355.460764] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 355.468064] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 355.475417] skb_clone+0x1bb/0x500 [ 355.479005] ? finish_task_switch+0x2f5/0x900 [ 355.483548] ? skb_split+0x11e0/0x11e0 [ 355.487476] ? preempt_notifier_register+0x200/0x200 [ 355.492609] ? __switch_to_asm+0x34/0x70 [ 355.496699] ? __switch_to_asm+0x34/0x70 [ 355.500816] ? __switch_to_asm+0x40/0x70 [ 355.504903] ? __switch_to_asm+0x34/0x70 [ 355.508980] ? __switch_to_asm+0x40/0x70 [ 355.513057] ? __switch_to_asm+0x34/0x70 [ 355.517124] ? __switch_to_asm+0x40/0x70 [ 355.521194] ? __switch_to_asm+0x34/0x70 [ 355.525263] ? __switch_to_asm+0x34/0x70 [ 355.529326] ? __switch_to_asm+0x40/0x70 [ 355.533392] ? __switch_to_asm+0x34/0x70 [ 355.537474] bpf_clone_redirect+0xb9/0x490 [ 355.541719] ? __schedule+0x874/0x1ed0 [ 355.545628] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 355.550658] ? __sched_text_start+0x8/0x8 [ 355.554818] ? retint_kernel+0x2d/0x2d [ 355.558727] ? find_held_lock+0x36/0x1c0 [ 355.562819] ? lock_acquire+0x1ed/0x520 [ 355.566813] ? bpf_test_run+0x32e/0x5a0 [ 355.570809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.576390] ? check_preemption_disabled+0x48/0x200 [ 355.581448] ? kasan_check_read+0x11/0x20 [ 355.585631] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 355.590958] ? rcu_bh_qs+0xc0/0xc0 [ 355.594516] ? preempt_schedule+0x4d/0x60 [ 355.598676] ? ___preempt_schedule+0x16/0x18 [ 355.603102] ? bpf_test_run+0x1c0/0x5a0 [ 355.607097] ? netlink_diag_dump+0x2a0/0x2a0 [ 355.611517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.617073] ? bpf_test_init.isra.9+0x70/0x100 [ 355.621672] ? bpf_prog_test_run_skb+0x634/0xb40 [ 355.626445] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 355.631314] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 355.636867] ? fput+0x130/0x1a0 [ 355.640159] ? __bpf_prog_get+0x9b/0x290 [ 355.644249] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 355.649095] ? bpf_prog_test_run+0x130/0x1a0 [ 355.653512] ? __x64_sys_bpf+0x3d8/0x510 [ 355.657582] ? bpf_prog_get+0x20/0x20 [ 355.661392] ? ksys_ioctl+0x81/0xd0 [ 355.665030] ? do_syscall_64+0x1b9/0x820 [ 355.669105] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 355.674474] ? syscall_return_slowpath+0x5e0/0x5e0 [ 355.679411] ? trace_hardirqs_off+0x300/0x300 [ 355.683908] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 355.688925] ? recalc_sigpending_tsk+0x180/0x180 [ 355.693686] ? kasan_check_write+0x14/0x20 [ 355.697928] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.702792] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 355.708181] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 355.708303] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 355.715111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.715116] Call Trace: [ 355.715124] [ 355.715142] dump_stack+0x1c4/0x2b4 [ 355.715158] ? dump_stack_print_info.cold.2+0x52/0x52 [ 355.715186] warn_alloc.cold.118+0xb7/0x1bd [ 355.721723] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.731004] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.733570] syz-executor6 cpuset= [ 355.735714] ? lock_downgrade+0x900/0x900 [ 355.739313] syz6 [ 355.744502] ? trace_hardirqs_off+0xb8/0x300 [ 355.748792] mems_allowed=0 [ 355.759275] ? trace_hardirqs_off+0xb8/0x300 [ 355.785338] __alloc_pages_slowpath+0x2667/0x2d80 [ 355.790217] ? warn_alloc+0x120/0x120 [ 355.794027] ? warn_alloc+0x120/0x120 [ 355.797835] ? print_usage_bug+0xc0/0xc0 [ 355.801900] ? warn_alloc+0x120/0x120 [ 355.805701] ? print_usage_bug+0xc0/0xc0 [ 355.809762] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 355.814970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.820531] ? should_fail+0x22d/0xd01 [ 355.824443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.829555] ? __lock_acquire+0x7ec/0x4ec0 [ 355.833797] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.838900] ? __lock_acquire+0x7ec/0x4ec0 [ 355.843137] ? should_fail+0x22d/0xd01 [ 355.847044] ? mark_held_locks+0x130/0x130 [ 355.851288] ? mark_held_locks+0x130/0x130 [ 355.855529] ? graph_lock+0x170/0x170 [ 355.859345] ? graph_lock+0x170/0x170 [ 355.863156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.868691] ? check_preemption_disabled+0x48/0x200 [ 355.873705] ? check_preemption_disabled+0x48/0x200 [ 355.878733] ? __lock_is_held+0xb5/0x140 [ 355.882801] __alloc_pages_nodemask+0xa80/0xde0 [ 355.887472] ? graph_lock+0x170/0x170 [ 355.891280] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 355.896293] ? graph_lock+0x170/0x170 [ 355.900105] ? find_held_lock+0x36/0x1c0 [ 355.904179] ? ____cache_alloc_node+0x1c7/0x1e0 [ 355.908847] ? lock_downgrade+0x900/0x900 [ 355.913004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.918558] cache_grow_begin+0x91/0x8c0 [ 355.922621] ? do_raw_spin_unlock+0xa7/0x2f0 [ 355.927041] fallback_alloc+0x203/0x2e0 [ 355.931023] ____cache_alloc_node+0x1c7/0x1e0 [ 355.935525] __kmalloc+0x208/0x760 [ 355.939085] ? __neigh_create+0x30b/0x2130 [ 355.943326] __neigh_create+0x30b/0x2130 [ 355.947393] ? trace_hardirqs_on+0xbd/0x310 [ 355.951719] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 355.957281] ? ip6t_do_table+0xd9e/0x1d30 [ 355.961466] ? mark_held_locks+0x130/0x130 [ 355.965725] ? __local_bh_enable_ip+0x160/0x260 [ 355.970425] ? neigh_hash_alloc+0x1e0/0x1e0 [ 355.974774] ? graph_lock+0x170/0x170 [ 355.978588] ? ip6t_do_table+0xd9e/0x1d30 [ 355.982750] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 355.988213] ? trace_hardirqs_on+0xbd/0x310 [ 355.992559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.998115] ? ip6t_do_table+0xd6a/0x1d30 [ 356.002285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.007833] ? check_preemption_disabled+0x48/0x200 [ 356.012860] ? check_preemption_disabled+0x48/0x200 [ 356.018319] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 356.023879] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.029181] ? rcu_pm_notify+0xc0/0xc0 [ 356.033095] ? graph_lock+0x170/0x170 [ 356.036919] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 356.042141] ip6_finish_output2+0xa59/0x27a0 [ 356.046572] ? ip6_copy_metadata+0xe30/0xe30 [ 356.050983] ? ip6_mtu+0x39c/0x520 [ 356.054532] ? lock_downgrade+0x900/0x900 [ 356.058684] ? check_preemption_disabled+0x48/0x200 [ 356.063712] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 356.069512] ? kasan_check_read+0x11/0x20 [ 356.073672] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.078970] ? rcu_bh_qs+0xc0/0xc0 [ 356.082548] ? ip6_mtu+0x160/0x520 [ 356.086108] ? kasan_check_read+0x11/0x20 [ 356.090292] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.095595] ? nf_nat_ipv6_out+0x212/0x550 [ 356.099872] ip6_finish_output+0x5fe/0xbc0 [ 356.104134] ? ip6_finish_output+0x5fe/0xbc0 [ 356.108584] ip6_output+0x23e/0xa00 [ 356.112224] ? check_preemption_disabled+0x48/0x200 [ 356.117250] ? ip6_finish_output+0xbc0/0xbc0 [ 356.121668] ? ip6_fragment+0x38c0/0x38c0 [ 356.125820] ? __lock_is_held+0xb5/0x140 [ 356.129902] ndisc_send_skb+0x1005/0x1570 [ 356.134072] ? ndisc_constructor+0xc40/0xc40 [ 356.138492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.144035] ? refcount_sub_and_test_checked+0x203/0x310 [ 356.150019] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 356.155490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.161042] ndisc_send_rs+0x134/0x6e0 [ 356.164941] addrconf_rs_timer+0x3c0/0x6f0 [ 356.169195] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.173450] call_timer_fn+0x272/0x920 [ 356.177340] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.181583] ? process_timeout+0x40/0x40 [ 356.185643] ? find_held_lock+0x36/0x1c0 [ 356.189712] ? mark_held_locks+0xc7/0x130 [ 356.193868] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.198360] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.202859] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.207098] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 356.211682] ? trace_hardirqs_on+0xbd/0x310 [ 356.216005] ? kasan_check_read+0x11/0x20 [ 356.220159] ? __run_timers+0x7da/0xc70 [ 356.224138] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.229596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.233840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.238080] __run_timers+0x7e5/0xc70 [ 356.241898] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 356.247260] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.252546] ? rcu_bh_qs+0xc0/0xc0 [ 356.256096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.261638] ? mark_held_locks+0xc7/0x130 [ 356.265793] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 356.270563] ? retint_kernel+0x2d/0x2d [ 356.274453] ? trace_hardirqs_on_caller+0xc0/0x300 [ 356.279388] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 356.284151] ? trace_hardirqs_off_caller+0x300/0x300 [ 356.289258] ? check_preemption_disabled+0x48/0x200 [ 356.294277] ? graph_lock+0x170/0x170 [ 356.298087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.303625] ? check_preemption_disabled+0x48/0x200 [ 356.308655] ? __lock_is_held+0xb5/0x140 [ 356.312723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.318262] ? check_preemption_disabled+0x48/0x200 [ 356.323291] run_timer_softirq+0x52/0xb0 [ 356.327445] ? rcu_read_lock_sched_held+0x108/0x120 [ 356.332468] __do_softirq+0x30b/0xad8 [ 356.336284] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 356.341395] ? pvclock_read_flags+0x160/0x160 [ 356.345890] ? lapic_next_event+0x5a/0x90 [ 356.350042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.355578] ? check_preemption_disabled+0x48/0x200 [ 356.360593] ? check_preemption_disabled+0x48/0x200 [ 356.365617] ? kvm_clock_read+0x18/0x30 [ 356.369593] ? kvm_sched_clock_read+0x9/0x20 [ 356.374013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.379560] ? check_preemption_disabled+0x48/0x200 [ 356.384592] irq_exit+0x17f/0x1c0 [ 356.388052] smp_apic_timer_interrupt+0x1cb/0x760 [ 356.392902] ? smp_call_function_single_interrupt+0x650/0x650 [ 356.398793] ? interrupt_entry+0xb5/0xf0 [ 356.402858] ? trace_hardirqs_off_caller+0xbb/0x300 [ 356.407878] ? trace_hardirqs_off_caller+0xbb/0x300 [ 356.412904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.417761] ? trace_hardirqs_off+0x300/0x300 [ 356.422262] ? trace_hardirqs_off+0x300/0x300 [ 356.426765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.432309] ? check_preemption_disabled+0x48/0x200 [ 356.437331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.442881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.447740] apic_timer_interrupt+0xf/0x20 [ 356.451980] [ 356.454222] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 356.459501] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 356.478426] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 356.486175] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 356.493460] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 356.500746] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 356.508036] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 356.515326] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 356.522638] ? arch_local_irq_restore+0x45/0x52 [ 356.527344] dump_stack+0x26a/0x2b4 [ 356.531003] ? dump_stack_print_info.cold.2+0x52/0x52 [ 356.536226] ? mark_held_locks+0x130/0x130 [ 356.540493] ? mark_held_locks+0x130/0x130 [ 356.544756] dump_header+0x27b/0xf72 [ 356.548506] ? pagefault_out_of_memory+0x197/0x197 [ 356.553460] ? mark_held_locks+0x130/0x130 [ 356.557715] ? __lock_acquire+0x7ec/0x4ec0 [ 356.561982] ? mem_cgroup_charge_statistics+0x780/0x780 [ 356.567355] ? print_usage_bug+0xc0/0xc0 [ 356.571416] ? print_usage_bug+0xc0/0xc0 [ 356.575486] ? graph_lock+0x170/0x170 [ 356.579284] ? graph_lock+0x170/0x170 [ 356.583085] ? print_usage_bug+0xc0/0xc0 [ 356.587145] ? print_usage_bug+0xc0/0xc0 [ 356.591217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.596761] ? find_held_lock+0x36/0x1c0 [ 356.600831] ? mark_held_locks+0xc7/0x130 [ 356.604985] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.610090] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.615192] ? lockdep_hardirqs_on+0x421/0x5c0 [ 356.619785] ? trace_hardirqs_on+0xbd/0x310 [ 356.624116] ? kasan_check_read+0x11/0x20 [ 356.628277] ? ___ratelimit+0x36f/0x655 [ 356.632262] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.637731] ? trace_hardirqs_on+0x310/0x310 [ 356.642162] ? lock_downgrade+0x900/0x900 [ 356.646337] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 356.651464] ? ___ratelimit+0xaa/0x655 [ 356.655375] ? idr_get_free+0xec0/0xec0 [ 356.659359] ? kasan_check_write+0x14/0x20 [ 356.663598] ? do_raw_spin_lock+0xc1/0x200 [ 356.667846] oom_kill_process.cold.27+0x10/0x903 [ 356.672606] ? graph_lock+0x170/0x170 [ 356.676410] ? _raw_spin_unlock+0x2c/0x50 [ 356.680563] ? oom_badness+0xe6/0xaa0 [ 356.684372] ? oom_evaluate_task+0x540/0x540 [ 356.688783] ? find_held_lock+0x36/0x1c0 [ 356.692854] ? out_of_memory+0x974/0x14c0 [ 356.697006] ? lock_downgrade+0x900/0x900 [ 356.701158] ? check_preemption_disabled+0x48/0x200 [ 356.706181] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 356.711982] ? kasan_check_read+0x11/0x20 [ 356.716130] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.721409] ? rcu_bh_qs+0xc0/0xc0 [ 356.724964] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 356.730013] ? oom_evaluate_task+0x302/0x540 [ 356.734425] out_of_memory+0xa86/0x14c0 [ 356.738408] ? oom_killer_disable+0x3a0/0x3a0 [ 356.742906] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 356.747841] ? __mutex_add_waiter+0x2a0/0x2a0 [ 356.752350] __alloc_pages_slowpath+0x2318/0x2d80 [ 356.757224] ? warn_alloc+0x120/0x120 [ 356.761039] ? find_get_entry+0x2f2/0xc40 [ 356.765202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.770740] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 356.775672] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.781212] ? should_fail+0x22d/0xd01 [ 356.785102] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.790210] ? __lock_is_held+0xb5/0x140 [ 356.794300] ? __lock_is_held+0xb5/0x140 [ 356.798372] ? find_held_lock+0x36/0x1c0 [ 356.802441] ? ___might_sleep+0x1ed/0x300 [ 356.806590] ? lock_release+0x970/0x970 [ 356.810566] ? arch_local_save_flags+0x40/0x40 [ 356.815163] ? __might_sleep+0x95/0x190 [ 356.819144] __alloc_pages_nodemask+0xa80/0xde0 [ 356.823821] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 356.828842] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 356.834640] ? kasan_check_read+0x11/0x20 [ 356.838792] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.844073] ? graph_lock+0x170/0x170 [ 356.847872] ? print_usage_bug+0xc0/0xc0 [ 356.851934] ? graph_lock+0x170/0x170 [ 356.855772] ? graph_lock+0x170/0x170 [ 356.859575] ? __do_page_cache_readahead+0x7ce/0x980 [ 356.864685] ? find_held_lock+0x36/0x1c0 [ 356.868754] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 356.874296] alloc_pages_current+0x10c/0x210 [ 356.878701] ? lock_downgrade+0x900/0x900 [ 356.882857] __page_cache_alloc+0x38f/0x5b0 [ 356.887184] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 356.892986] ? kasan_check_read+0x11/0x20 [ 356.897134] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.902416] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 356.907090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.912627] ? check_preemption_disabled+0x48/0x200 [ 356.917654] filemap_fault+0x1594/0x25f0 [ 356.921732] ? __lock_page_or_retry+0xa00/0xa00 [ 356.926403] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 356.932205] ? kasan_check_read+0x11/0x20 [ 356.936356] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.941635] ? rcu_bh_qs+0xc0/0xc0 [ 356.945195] ? filemap_map_pages+0xdea/0x1980 [ 356.949700] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 356.954828] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 356.960130] ? debug_object_free+0x325/0x690 [ 356.964583] ? find_get_pages_range_tag+0x1320/0x1320 [ 356.969829] ? graph_lock+0x170/0x170 [ 356.973663] ? kasan_check_read+0x11/0x20 [ 356.977830] ? debug_object_destroy+0x2b0/0x2b0 [ 356.982527] ? lock_acquire+0x1ed/0x520 [ 356.986520] ? ext4_filemap_fault+0x7a/0xad [ 356.990859] ? lock_release+0x970/0x970 [ 356.994847] ? arch_local_save_flags+0x40/0x40 [ 356.999442] ? futex_wait_setup+0x3e0/0x3e0 [ 357.003784] ? down_read+0xb0/0x1d0 [ 357.007416] ? ext4_filemap_fault+0x7a/0xad [ 357.011756] ? __down_interruptible+0x700/0x700 [ 357.016466] ext4_filemap_fault+0x82/0xad [ 357.020641] __do_fault+0x100/0x6b0 [ 357.024296] ? print_bad_pte+0x6c0/0x6c0 [ 357.028379] ? do_futex+0x249/0x26d0 [ 357.032113] ? kasan_check_read+0x11/0x20 [ 357.036281] ? pmd_val+0x88/0x100 [ 357.039758] ? add_mm_counter_fast+0xd0/0xd0 [ 357.044189] ? pmd_val+0x88/0x100 [ 357.047657] ? add_mm_counter_fast+0xd0/0xd0 [ 357.052077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.057625] __handle_mm_fault+0x3709/0x53e0 [ 357.062033] ? perf_trace_lock+0x14d/0x7a0 [ 357.066282] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 357.071130] ? graph_lock+0x170/0x170 [ 357.074935] ? print_usage_bug+0xc0/0xc0 [ 357.079011] ? graph_lock+0x170/0x170 [ 357.082811] ? graph_lock+0x170/0x170 [ 357.086640] ? handle_mm_fault+0x42a/0xc70 [ 357.090905] ? lock_downgrade+0x900/0x900 [ 357.095070] ? check_preemption_disabled+0x48/0x200 [ 357.100120] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 357.105940] ? kasan_check_read+0x11/0x20 [ 357.110127] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 357.115424] ? rcu_bh_qs+0xc0/0xc0 [ 357.118976] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.124437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.129989] ? check_preemption_disabled+0x48/0x200 [ 357.135021] handle_mm_fault+0x54f/0xc70 [ 357.139091] ? __handle_mm_fault+0x53e0/0x53e0 [ 357.143682] ? find_vma+0x34/0x190 [ 357.147232] __do_page_fault+0x67d/0xed0 [ 357.151330] ? mm_fault_error+0x380/0x380 [ 357.155477] ? trace_hardirqs_off+0xb8/0x300 [ 357.159883] ? trace_hardirqs_on+0x310/0x310 [ 357.164294] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 357.169656] ? trace_hardirqs_on+0x310/0x310 [ 357.174074] do_page_fault+0xf2/0x7e0 [ 357.177877] ? vmalloc_sync_all+0x30/0x30 [ 357.182028] ? error_entry+0x70/0xd0 [ 357.185747] ? trace_hardirqs_off_caller+0xbb/0x300 [ 357.190765] ? trace_hardirqs_on_caller+0xc0/0x300 [ 357.195694] ? syscall_return_slowpath+0x5e0/0x5e0 [ 357.200623] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.205469] ? trace_hardirqs_off+0x300/0x300 [ 357.209970] ? trace_hardirqs_off_caller+0x300/0x300 [ 357.215082] ? prepare_exit_to_usermode+0x291/0x3b0 [ 357.220105] ? page_fault+0x8/0x30 [ 357.223647] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.228492] ? page_fault+0x8/0x30 [ 357.232033] page_fault+0x1e/0x30 [ 357.235488] RIP: 0033:0x45ddf3 [ 357.238689] Code: Bad RIP value. [ 357.242148] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 357.247514] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 357.255308] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 357.262578] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 357.269847] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 357.277448] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 357.284759] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 357.284765] warn_alloc_show_mem: 1 callbacks suppressed [ 357.284773] Mem-Info: [ 357.292055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.297425] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 357.297425] active_file:16 inactive_file:17 isolated_file:0 [ 357.297425] unevictable:0 dirty:0 writeback:0 unstable:0 [ 357.297425] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 357.297425] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 357.297425] free:13771 free_pcp:233 free_cma:0 [ 357.299803] Call Trace: [ 357.309189] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 357.342048] [ 357.344620] Node 0 [ 357.372309] dump_stack+0x1c4/0x2b4 [ 357.374452] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 357.376659] ? dump_stack_print_info.cold.2+0x52/0x52 [ 357.380256] lowmem_reserve[]: [ 357.405779] warn_alloc.cold.118+0xb7/0x1bd [ 357.410964] 0 [ 357.414078] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 357.418363] 2815 [ 357.420159] ? lock_downgrade+0x900/0x900 [ 357.424973] 6318 [ 357.427043] ? trace_hardirqs_off+0xb8/0x300 [ 357.431162] 6318 [ 357.433236] ? trace_hardirqs_off+0xb8/0x300 [ 357.439683] __alloc_pages_slowpath+0x2667/0x2d80 [ 357.444052] Node 0 DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 357.448924] ? warn_alloc+0x120/0x120 [ 357.448952] ? warn_alloc+0x120/0x120 [ 357.476342] lowmem_reserve[]: 0 [ 357.480177] ? print_usage_bug+0xc0/0xc0 [ 357.483941] 0 3503 [ 357.487262] ? warn_alloc+0x120/0x120 [ 357.491297] 3503 [ 357.493571] ? print_usage_bug+0xc0/0xc0 [ 357.499404] ? __lock_acquire+0x7ec/0x4ec0 [ 357.503434] Node 0 [ 357.507667] ? __lock_acquire+0x7ec/0x4ec0 [ 357.507700] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 357.507707] lowmem_reserve[]: [ 357.510129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.514336] 0 [ 357.542730] ? should_fail+0x22d/0xd01 [ 357.545809] 0 [ 357.551383] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.553152] 0 [ 357.557049] ? __lock_acquire+0x7ec/0x4ec0 [ 357.558813] 0 [ 357.563917] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.569916] ? __lock_acquire+0x7ec/0x4ec0 [ 357.571688] Node 0 [ 357.576786] ? should_fail+0x22d/0xd01 [ 357.576814] ? mark_held_locks+0x130/0x130 [ 357.581017] DMA: [ 357.583261] ? mark_held_locks+0x130/0x130 [ 357.587123] 1*4kB [ 357.591367] ? graph_lock+0x170/0x170 [ 357.593400] (U) [ 357.597661] ? graph_lock+0x170/0x170 [ 357.599788] 0*8kB [ 357.603593] ? graph_lock+0x170/0x170 [ 357.605543] 0*16kB [ 357.609343] ? print_usage_bug+0xc0/0xc0 [ 357.611466] 1*32kB [ 357.615269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.615285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.617505] (U) [ 357.621563] ? check_preemption_disabled+0x48/0x200 [ 357.623775] 2*64kB [ 357.629304] ? check_preemption_disabled+0x48/0x200 [ 357.634815] (U) [ 357.636798] ? __lock_is_held+0xb5/0x140 [ 357.641774] 1*128kB [ 357.644008] __alloc_pages_nodemask+0xa80/0xde0 [ 357.648992] (U) [ 357.650968] ? graph_lock+0x170/0x170 [ 357.655003] 1*256kB [ 357.657322] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 357.661964] (U) [ 357.663935] ? graph_lock+0x170/0x170 [ 357.667717] 0*512kB [ 357.670048] ? find_held_lock+0x36/0x1c0 [ 357.675031] 1*1024kB [ 357.677023] ? ____cache_alloc_node+0x1c7/0x1e0 [ 357.680816] (U) [ 357.683147] ? lock_downgrade+0x900/0x900 [ 357.687178] 1*2048kB [ 357.689602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.694234] (M) [ 357.696224] cache_grow_begin+0x91/0x8c0 [ 357.700339] 3*4096kB [ 357.702757] ? do_raw_spin_unlock+0xa7/0x2f0 [ 357.708258] (M) [ 357.710237] fallback_alloc+0x203/0x2e0 [ 357.714258] = 15908kB [ 357.716670] ____cache_alloc_node+0x1c7/0x1e0 [ 357.721044] Node 0 DMA32: [ 357.723146] kmem_cache_alloc_node+0xe3/0x730 [ 357.727091] 3*4kB [ 357.729497] ? ipv6_get_ifaddr+0x42e/0x620 [ 357.733962] (M) [ 357.736806] __alloc_skb+0x119/0x770 [ 357.741274] 2*8kB [ 357.743420] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 357.747619] (M) [ 357.749595] ? skb_scrub_packet+0x490/0x490 [ 357.753273] 2*16kB (UM) [ 357.755425] ? lock_downgrade+0x900/0x900 [ 357.760677] 1*32kB [ 357.762656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.766937] (M) 3*64kB [ 357.769626] ? refcount_sub_and_test_checked+0x203/0x310 [ 357.773741] (UM) [ 357.775981] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 357.781486] 3*128kB [ 357.784075] ? addrconf_rs_timer+0x6f0/0x6f0 [ 357.789492] (M) [ 357.791559] ndisc_alloc_skb+0x144/0x340 [ 357.796977] 2*256kB [ 357.799301] ndisc_send_rs+0x331/0x6e0 [ 357.803676] (M) [ 357.805659] addrconf_rs_timer+0x3c0/0x6f0 [ 357.809685] 3*512kB [ 357.812010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.815863] (M) [ 357.817849] call_timer_fn+0x272/0x920 [ 357.822044] 4*1024kB (UM) [ 357.824377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.828583] 3*2048kB [ 357.830579] ? process_timeout+0x40/0x40 [ 357.834439] (M) [ 357.837282] ? find_held_lock+0x36/0x1c0 [ 357.841491] 3*4096kB [ 357.843904] ? __run_timers+0x7da/0xc70 [ 357.847926] (M) [ 357.849922] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.853969] = 25244kB [ 357.856385] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.860330] Node 0 [ 357.862297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.862317] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 357.866784] Normal: [ 357.869196] ? trace_hardirqs_on+0xbd/0x310 [ 357.873662] 1139*4kB [ 357.875893] ? kasan_check_read+0x11/0x20 [ 357.880099] (MEH) [ 357.884684] ? __run_timers+0x7da/0xc70 [ 357.886981] 438*8kB [ 357.891302] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.893681] (UME) [ 357.897829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.899955] 175*16kB [ 357.903926] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.906223] (UME) [ 357.911669] __run_timers+0x7e5/0xc70 [ 357.913787] 64*32kB [ 357.918023] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 357.920417] (UMEH) [ 357.924647] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 357.926776] 14*64kB [ 357.930566] ? graph_lock+0x170/0x170 [ 357.932862] (UM) [ 357.938220] ? enqueue_hrtimer+0x1a5/0x560 [ 357.940431] 1*128kB [ 357.945441] ? lock_release+0x970/0x970 [ 357.947733] (H) [ 357.951524] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 357.953568] 0*256kB [ 357.957810] ? find_held_lock+0x36/0x1c0 [ 357.960102] 0*512kB [ 357.964088] ? graph_lock+0x170/0x170 [ 357.966029] 0*1024kB 0*2048kB [ 357.971268] ? pvclock_read_flags+0x160/0x160 [ 357.973570] 0*4096kB [ 357.977728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.980021] = 13932kB [ 357.983828] ? check_preemption_disabled+0x48/0x200 [ 357.986998] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 357.991496] ? __lock_is_held+0xb5/0x140 [ 357.993875] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 357.999410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.001791] 788 total pagecache pages [ 358.006811] ? check_preemption_disabled+0x48/0x200 [ 358.015630] 0 pages in swap cache [ 358.020082] run_timer_softirq+0x52/0xb0 [ 358.028634] Swap cache stats: add 0, delete 0, find 0/0 [ 358.028646] Free swap = 0kB [ 358.034202] ? rcu_read_lock_sched_held+0x108/0x120 [ 358.037984] Total swap = 0kB [ 358.043013] __do_softirq+0x30b/0xad8 [ 358.046429] 1965979 pages RAM [ 358.050495] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 358.055821] 0 pages HighMem/MovableOnly [ 358.058863] ? pvclock_read_flags+0x160/0x160 [ 358.063847] 343323 pages reserved [ 358.066863] ? lapic_next_event+0x5a/0x90 [ 358.070634] 0 pages cma reserved [ 358.073741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.079161] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.082782] ? check_preemption_disabled+0x48/0x200 [ 358.087263] syz-fuzzer cpuset= [ 358.090730] ? check_preemption_disabled+0x48/0x200 [ 358.094857] / [ 358.098237] ? kvm_clock_read+0x18/0x30 [ 358.103762] mems_allowed=0 [ 358.114022] ? kvm_sched_clock_read+0x9/0x20 [ 358.140185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.145731] ? check_preemption_disabled+0x48/0x200 [ 358.151000] irq_exit+0x17f/0x1c0 [ 358.154460] smp_apic_timer_interrupt+0x1cb/0x760 [ 358.159305] ? smp_reschedule_interrupt+0x109/0x650 [ 358.164330] ? smp_call_function_single_interrupt+0x650/0x650 [ 358.170221] ? interrupt_entry+0xb5/0xf0 [ 358.174288] ? trace_hardirqs_off_caller+0xbb/0x300 [ 358.179302] ? trace_hardirqs_off_caller+0xbb/0x300 [ 358.184322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.189165] ? trace_hardirqs_off+0x300/0x300 [ 358.193662] ? trace_hardirqs_off+0x300/0x300 [ 358.198161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.203699] ? check_preemption_disabled+0x48/0x200 [ 358.208717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.214270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.219126] apic_timer_interrupt+0xf/0x20 [ 358.223357] [ 358.225597] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 358.230535] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 358.249436] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 358.257151] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 358.264419] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 358.271687] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 358.278959] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 358.286231] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 358.293555] skb_clone+0x1bb/0x500 [ 358.297105] ? finish_task_switch+0x2f5/0x900 [ 358.301603] ? skb_split+0x11e0/0x11e0 [ 358.305493] ? preempt_notifier_register+0x200/0x200 [ 358.310596] ? __switch_to_asm+0x34/0x70 [ 358.314654] ? __switch_to_asm+0x34/0x70 [ 358.318715] ? __switch_to_asm+0x40/0x70 [ 358.322779] ? __switch_to_asm+0x34/0x70 [ 358.326837] ? __switch_to_asm+0x40/0x70 [ 358.330897] ? __switch_to_asm+0x34/0x70 [ 358.334962] ? __switch_to_asm+0x40/0x70 [ 358.339022] ? __switch_to_asm+0x34/0x70 [ 358.343090] ? __switch_to_asm+0x34/0x70 [ 358.347152] ? __switch_to_asm+0x40/0x70 [ 358.351215] ? __switch_to_asm+0x34/0x70 [ 358.355293] bpf_clone_redirect+0xb9/0x490 [ 358.359532] ? __schedule+0x874/0x1ed0 [ 358.363429] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 358.368451] ? __sched_text_start+0x8/0x8 [ 358.372606] ? retint_kernel+0x2d/0x2d [ 358.376507] ? find_held_lock+0x36/0x1c0 [ 358.380577] ? lock_acquire+0x1ed/0x520 [ 358.384554] ? bpf_test_run+0x32e/0x5a0 [ 358.388529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.394072] ? check_preemption_disabled+0x48/0x200 [ 358.399093] ? kasan_check_read+0x11/0x20 [ 358.403248] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 358.408529] ? rcu_bh_qs+0xc0/0xc0 [ 358.412077] ? preempt_schedule+0x4d/0x60 [ 358.416226] ? ___preempt_schedule+0x16/0x18 [ 358.420648] ? bpf_test_run+0x1c0/0x5a0 [ 358.424636] ? netlink_diag_dump+0x2a0/0x2a0 [ 358.429056] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.434592] ? bpf_test_init.isra.9+0x70/0x100 [ 358.439179] ? bpf_prog_test_run_skb+0x634/0xb40 [ 358.443953] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 358.448798] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 358.454335] ? fput+0x130/0x1a0 [ 358.457617] ? __bpf_prog_get+0x9b/0x290 [ 358.461679] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 358.466520] ? bpf_prog_test_run+0x130/0x1a0 [ 358.470937] ? __x64_sys_bpf+0x3d8/0x510 [ 358.475010] ? bpf_prog_get+0x20/0x20 [ 358.478823] ? ksys_ioctl+0x81/0xd0 [ 358.482467] ? do_syscall_64+0x1b9/0x820 [ 358.486529] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 358.491903] ? syscall_return_slowpath+0x5e0/0x5e0 [ 358.496843] ? trace_hardirqs_off+0x300/0x300 [ 358.501343] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 358.506361] ? recalc_sigpending_tsk+0x180/0x180 [ 358.511117] ? kasan_check_write+0x14/0x20 [ 358.515360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.520223] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 358.525614] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 358.525707] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 358.532563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.539285] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.548402] Call Trace: [ 358.558889] syz-executor6 cpuset= [ 358.561464] [ 358.561466] syz6 mems_allowed=0 [ 358.564928] dump_stack+0x1c4/0x2b4 [ 358.573959] ? dump_stack_print_info.cold.2+0x52/0x52 [ 358.579185] warn_alloc.cold.118+0xb7/0x1bd [ 358.583534] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 358.588410] ? lock_downgrade+0x900/0x900 [ 358.592594] ? trace_hardirqs_off+0xb8/0x300 [ 358.597041] ? trace_hardirqs_off+0xb8/0x300 [ 358.601483] __alloc_pages_slowpath+0x2667/0x2d80 [ 358.606377] ? warn_alloc+0x120/0x120 [ 358.610194] ? warn_alloc+0x120/0x120 [ 358.614012] ? print_usage_bug+0xc0/0xc0 [ 358.618084] ? warn_alloc+0x120/0x120 [ 358.621891] ? print_usage_bug+0xc0/0xc0 [ 358.625961] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 358.631173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.636719] ? should_fail+0x22d/0xd01 [ 358.640620] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.645729] ? __lock_acquire+0x7ec/0x4ec0 [ 358.649989] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.655113] ? __lock_acquire+0x7ec/0x4ec0 [ 358.659366] ? should_fail+0x22d/0xd01 [ 358.663286] ? mark_held_locks+0x130/0x130 [ 358.667549] ? mark_held_locks+0x130/0x130 [ 358.671797] ? graph_lock+0x170/0x170 [ 358.675615] ? graph_lock+0x170/0x170 [ 358.679431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.684975] ? check_preemption_disabled+0x48/0x200 [ 358.689993] ? check_preemption_disabled+0x48/0x200 [ 358.695023] ? __lock_is_held+0xb5/0x140 [ 358.699097] __alloc_pages_nodemask+0xa80/0xde0 [ 358.703766] ? graph_lock+0x170/0x170 [ 358.707579] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 358.712592] ? graph_lock+0x170/0x170 [ 358.716406] ? find_held_lock+0x36/0x1c0 [ 358.720478] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.725153] ? lock_downgrade+0x900/0x900 [ 358.729315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.734874] cache_grow_begin+0x91/0x8c0 [ 358.738962] ? do_raw_spin_unlock+0xa7/0x2f0 [ 358.743401] fallback_alloc+0x203/0x2e0 [ 358.747400] ____cache_alloc_node+0x1c7/0x1e0 [ 358.751924] __kmalloc+0x208/0x760 [ 358.755503] ? __neigh_create+0x30b/0x2130 [ 358.759772] __neigh_create+0x30b/0x2130 [ 358.763863] ? trace_hardirqs_on+0xbd/0x310 [ 358.768204] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 358.773759] ? ip6t_do_table+0xd9e/0x1d30 [ 358.777926] ? mark_held_locks+0x130/0x130 [ 358.782175] ? __local_bh_enable_ip+0x160/0x260 [ 358.786855] ? neigh_hash_alloc+0x1e0/0x1e0 [ 358.791181] ? graph_lock+0x170/0x170 [ 358.794986] ? ip6t_do_table+0xd9e/0x1d30 [ 358.799143] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 358.804594] ? trace_hardirqs_on+0xbd/0x310 [ 358.808931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.814490] ? ip6t_do_table+0xd6a/0x1d30 [ 358.818656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.824208] ? check_preemption_disabled+0x48/0x200 [ 358.829234] ? check_preemption_disabled+0x48/0x200 [ 358.834270] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 358.839812] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 358.845092] ? rcu_pm_notify+0xc0/0xc0 [ 358.848983] ? graph_lock+0x170/0x170 [ 358.852785] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 358.857994] ip6_finish_output2+0xa59/0x27a0 [ 358.862417] ? ip6_copy_metadata+0xe30/0xe30 [ 358.866828] ? ip6_mtu+0x39c/0x520 [ 358.870373] ? lock_downgrade+0x900/0x900 [ 358.874522] ? check_preemption_disabled+0x48/0x200 [ 358.879557] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 358.885355] ? kasan_check_read+0x11/0x20 [ 358.889504] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 358.894785] ? rcu_bh_qs+0xc0/0xc0 [ 358.898340] ? ip6_mtu+0x160/0x520 [ 358.901877] ? dst_hold+0x2f0/0x2f0 [ 358.905505] ? kasan_check_read+0x11/0x20 [ 358.909659] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 358.914942] ? nf_nat_ipv6_out+0x212/0x550 [ 358.919193] ip6_finish_output+0x5fe/0xbc0 [ 358.923428] ? ip6_finish_output+0x5fe/0xbc0 [ 358.927843] ip6_output+0x23e/0xa00 [ 358.931472] ? check_preemption_disabled+0x48/0x200 [ 358.936496] ? ip6_finish_output+0xbc0/0xbc0 [ 358.940911] ? ip6_fragment+0x38c0/0x38c0 [ 358.945067] ? __lock_is_held+0xb5/0x140 [ 358.949148] ndisc_send_skb+0x1005/0x1570 [ 358.953328] ? ndisc_constructor+0xc40/0xc40 [ 358.957754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.963314] ? refcount_sub_and_test_checked+0x203/0x310 [ 358.968798] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 358.974295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.979868] ndisc_send_rs+0x134/0x6e0 [ 358.983783] addrconf_rs_timer+0x3c0/0x6f0 [ 358.988054] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.992317] call_timer_fn+0x272/0x920 [ 358.996215] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.000465] ? process_timeout+0x40/0x40 [ 359.004532] ? find_held_lock+0x36/0x1c0 [ 359.008623] ? mark_held_locks+0xc7/0x130 [ 359.012785] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.017291] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.021795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.026055] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 359.030682] ? trace_hardirqs_on+0xbd/0x310 [ 359.035010] ? kasan_check_read+0x11/0x20 [ 359.039183] ? __run_timers+0x7da/0xc70 [ 359.043172] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.048636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.052877] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.057117] __run_timers+0x7e5/0xc70 [ 359.060937] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 359.066314] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.071602] ? rcu_bh_qs+0xc0/0xc0 [ 359.075150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.080695] ? mark_held_locks+0xc7/0x130 [ 359.084864] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 359.089641] ? retint_kernel+0x2d/0x2d [ 359.093553] ? trace_hardirqs_on_caller+0xc0/0x300 [ 359.098507] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 359.103296] ? trace_hardirqs_off_caller+0x300/0x300 [ 359.108428] ? check_preemption_disabled+0x48/0x200 [ 359.113471] ? graph_lock+0x170/0x170 [ 359.117286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.122827] ? check_preemption_disabled+0x48/0x200 [ 359.127862] ? __lock_is_held+0xb5/0x140 [ 359.131930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.137475] ? check_preemption_disabled+0x48/0x200 [ 359.142506] run_timer_softirq+0x52/0xb0 [ 359.146577] ? rcu_read_lock_sched_held+0x108/0x120 [ 359.152073] __do_softirq+0x30b/0xad8 [ 359.155888] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 359.160999] ? pvclock_read_flags+0x160/0x160 [ 359.165499] ? lapic_next_event+0x5a/0x90 [ 359.169654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.175193] ? check_preemption_disabled+0x48/0x200 [ 359.180210] ? check_preemption_disabled+0x48/0x200 [ 359.185243] ? kvm_clock_read+0x18/0x30 [ 359.189230] ? kvm_sched_clock_read+0x9/0x20 [ 359.193653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.199205] ? check_preemption_disabled+0x48/0x200 [ 359.204241] irq_exit+0x17f/0x1c0 [ 359.207704] smp_apic_timer_interrupt+0x1cb/0x760 [ 359.212559] ? smp_call_function_single_interrupt+0x650/0x650 [ 359.218447] ? interrupt_entry+0xb5/0xf0 [ 359.222513] ? trace_hardirqs_off_caller+0xbb/0x300 [ 359.227532] ? trace_hardirqs_off_caller+0xbb/0x300 [ 359.232567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.237414] ? trace_hardirqs_off+0x300/0x300 [ 359.241914] ? trace_hardirqs_off+0x300/0x300 [ 359.246423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.251971] ? check_preemption_disabled+0x48/0x200 [ 359.257082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.262631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.267489] apic_timer_interrupt+0xf/0x20 [ 359.271722] [ 359.273971] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 359.279253] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 359.298161] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 359.305901] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 359.313178] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 359.320446] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 359.327712] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 359.334982] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 359.342281] ? arch_local_irq_restore+0x45/0x52 [ 359.346970] dump_stack+0x26a/0x2b4 [ 359.350602] ? dump_stack_print_info.cold.2+0x52/0x52 [ 359.355802] ? mark_held_locks+0x130/0x130 [ 359.360038] ? mark_held_locks+0x130/0x130 [ 359.364280] dump_header+0x27b/0xf72 [ 359.368008] ? pagefault_out_of_memory+0x197/0x197 [ 359.372943] ? mark_held_locks+0x130/0x130 [ 359.377205] ? __lock_acquire+0x7ec/0x4ec0 [ 359.381443] ? mem_cgroup_charge_statistics+0x780/0x780 [ 359.386810] ? print_usage_bug+0xc0/0xc0 [ 359.390881] ? print_usage_bug+0xc0/0xc0 [ 359.394961] ? graph_lock+0x170/0x170 [ 359.398758] ? graph_lock+0x170/0x170 [ 359.402561] ? print_usage_bug+0xc0/0xc0 [ 359.406617] ? print_usage_bug+0xc0/0xc0 [ 359.410691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.416236] ? find_held_lock+0x36/0x1c0 [ 359.420305] ? mark_held_locks+0xc7/0x130 [ 359.424458] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.429562] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.434664] ? lockdep_hardirqs_on+0x421/0x5c0 [ 359.439258] ? trace_hardirqs_on+0xbd/0x310 [ 359.443579] ? kasan_check_read+0x11/0x20 [ 359.447733] ? ___ratelimit+0x36f/0x655 [ 359.451713] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.457167] ? trace_hardirqs_on+0x310/0x310 [ 359.461577] ? lock_downgrade+0x900/0x900 [ 359.465732] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 359.470840] ? ___ratelimit+0xaa/0x655 [ 359.474731] ? idr_get_free+0xec0/0xec0 [ 359.478703] ? kasan_check_write+0x14/0x20 [ 359.482944] ? do_raw_spin_lock+0xc1/0x200 [ 359.487200] oom_kill_process.cold.27+0x10/0x903 [ 359.491964] ? graph_lock+0x170/0x170 [ 359.495770] ? _raw_spin_unlock+0x2c/0x50 [ 359.499923] ? oom_badness+0xe6/0xaa0 [ 359.503741] ? oom_evaluate_task+0x540/0x540 [ 359.508153] ? find_held_lock+0x36/0x1c0 [ 359.512224] ? out_of_memory+0x974/0x14c0 [ 359.516377] ? lock_downgrade+0x900/0x900 [ 359.520522] ? check_preemption_disabled+0x48/0x200 [ 359.525563] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 359.531364] ? kasan_check_read+0x11/0x20 [ 359.535520] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.540810] ? rcu_bh_qs+0xc0/0xc0 [ 359.544360] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 359.549379] ? oom_evaluate_task+0x302/0x540 [ 359.553797] out_of_memory+0xa86/0x14c0 [ 359.557784] ? oom_killer_disable+0x3a0/0x3a0 [ 359.562280] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 359.567221] ? __mutex_add_waiter+0x2a0/0x2a0 [ 359.571734] __alloc_pages_slowpath+0x2318/0x2d80 [ 359.576612] ? warn_alloc+0x120/0x120 [ 359.580432] ? find_get_entry+0x2f2/0xc40 [ 359.584593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.590139] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 359.595075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.600617] ? should_fail+0x22d/0xd01 [ 359.604517] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.609627] ? __lock_is_held+0xb5/0x140 [ 359.613718] ? __lock_is_held+0xb5/0x140 [ 359.617794] ? find_held_lock+0x36/0x1c0 [ 359.621871] ? ___might_sleep+0x1ed/0x300 [ 359.626028] ? lock_release+0x970/0x970 [ 359.630018] ? arch_local_save_flags+0x40/0x40 [ 359.634629] ? __might_sleep+0x95/0x190 [ 359.638627] __alloc_pages_nodemask+0xa80/0xde0 [ 359.643325] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 359.648364] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 359.654167] ? kasan_check_read+0x11/0x20 [ 359.658329] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.663617] ? graph_lock+0x170/0x170 [ 359.667426] ? print_usage_bug+0xc0/0xc0 [ 359.671492] ? graph_lock+0x170/0x170 [ 359.675295] ? graph_lock+0x170/0x170 [ 359.679101] ? __do_page_cache_readahead+0x7ce/0x980 [ 359.684216] ? find_held_lock+0x36/0x1c0 [ 359.688286] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 359.693846] alloc_pages_current+0x10c/0x210 [ 359.698275] ? lock_downgrade+0x900/0x900 [ 359.702448] __page_cache_alloc+0x38f/0x5b0 [ 359.706797] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 359.712603] ? kasan_check_read+0x11/0x20 [ 359.716768] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.722067] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 359.726745] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.732283] ? check_preemption_disabled+0x48/0x200 [ 359.737311] filemap_fault+0x1594/0x25f0 [ 359.741390] ? __lock_page_or_retry+0xa00/0xa00 [ 359.746059] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 359.751854] ? kasan_check_read+0x11/0x20 [ 359.756006] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.761285] ? rcu_bh_qs+0xc0/0xc0 [ 359.764841] ? filemap_map_pages+0xdea/0x1980 [ 359.769345] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 359.774455] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 359.779741] ? debug_object_free+0x325/0x690 [ 359.784176] ? find_get_pages_range_tag+0x1320/0x1320 [ 359.789394] ? graph_lock+0x170/0x170 [ 359.793222] ? kasan_check_read+0x11/0x20 [ 359.797390] ? debug_object_destroy+0x2b0/0x2b0 [ 359.802094] ? lock_acquire+0x1ed/0x520 [ 359.806090] ? ext4_filemap_fault+0x7a/0xad [ 359.810431] ? lock_release+0x970/0x970 [ 359.814411] ? arch_local_save_flags+0x40/0x40 [ 359.818999] ? futex_wait_setup+0x3e0/0x3e0 [ 359.823337] ? down_read+0xb0/0x1d0 [ 359.826969] ? ext4_filemap_fault+0x7a/0xad [ 359.831295] ? __down_interruptible+0x700/0x700 [ 359.835993] ext4_filemap_fault+0x82/0xad [ 359.840149] __do_fault+0x100/0x6b0 [ 359.843779] ? print_bad_pte+0x6c0/0x6c0 [ 359.847842] ? do_futex+0x249/0x26d0 [ 359.851563] ? kasan_check_read+0x11/0x20 [ 359.855714] ? pmd_val+0x88/0x100 [ 359.859169] ? add_mm_counter_fast+0xd0/0xd0 [ 359.863580] ? pmd_val+0x88/0x100 [ 359.867041] ? add_mm_counter_fast+0xd0/0xd0 [ 359.871458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.877001] __handle_mm_fault+0x3709/0x53e0 [ 359.881409] ? perf_trace_lock+0x14d/0x7a0 [ 359.885652] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 359.890495] ? graph_lock+0x170/0x170 [ 359.894296] ? print_usage_bug+0xc0/0xc0 [ 359.898358] ? graph_lock+0x170/0x170 [ 359.902157] ? graph_lock+0x170/0x170 [ 359.905989] ? handle_mm_fault+0x42a/0xc70 [ 359.910225] ? lock_downgrade+0x900/0x900 [ 359.914371] ? check_preemption_disabled+0x48/0x200 [ 359.919398] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 359.925190] ? kasan_check_read+0x11/0x20 [ 359.929339] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.934623] ? rcu_bh_qs+0xc0/0xc0 [ 359.938168] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.943620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.949158] ? check_preemption_disabled+0x48/0x200 [ 359.954198] handle_mm_fault+0x54f/0xc70 [ 359.958272] ? __handle_mm_fault+0x53e0/0x53e0 [ 359.962861] ? find_vma+0x34/0x190 [ 359.966417] __do_page_fault+0x67d/0xed0 [ 359.970501] ? mm_fault_error+0x380/0x380 [ 359.974660] ? trace_hardirqs_off+0xb8/0x300 [ 359.979087] ? trace_hardirqs_on+0x310/0x310 [ 359.983517] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.988904] ? trace_hardirqs_on+0x310/0x310 [ 359.993332] do_page_fault+0xf2/0x7e0 [ 359.997159] ? vmalloc_sync_all+0x30/0x30 [ 360.001316] ? error_entry+0x70/0xd0 [ 360.005045] ? trace_hardirqs_off_caller+0xbb/0x300 [ 360.010066] ? trace_hardirqs_on_caller+0xc0/0x300 [ 360.015091] ? syscall_return_slowpath+0x5e0/0x5e0 [ 360.020249] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.025104] ? trace_hardirqs_off+0x300/0x300 [ 360.029612] ? trace_hardirqs_off_caller+0x300/0x300 [ 360.034748] ? prepare_exit_to_usermode+0x291/0x3b0 [ 360.039777] ? page_fault+0x8/0x30 [ 360.043342] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.048216] ? page_fault+0x8/0x30 [ 360.051775] page_fault+0x1e/0x30 [ 360.055237] RIP: 0033:0x45ddf3 [ 360.058439] Code: Bad RIP value. [ 360.061805] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 360.067183] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 360.074466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 360.081749] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 360.089037] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 360.096330] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 360.103652] warn_alloc_show_mem: 1 callbacks suppressed [ 360.103667] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 360.103670] Mem-Info: [ 360.103702] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 360.103702] active_file:16 inactive_file:17 isolated_file:0 [ 360.103702] unevictable:0 dirty:0 writeback:0 unstable:0 [ 360.103702] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 360.103702] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 360.103702] free:13771 free_pcp:233 free_cma:0 [ 360.109064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.109077] Call Trace: [ 360.116403] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 360.118802] [ 360.152116] Node 0 [ 360.161486] dump_stack+0x1c4/0x2b4 [ 360.164058] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 360.191719] ? dump_stack_print_info.cold.2+0x52/0x52 [ 360.193845] lowmem_reserve[]: [ 360.196090] warn_alloc.cold.118+0xb7/0x1bd [ 360.199682] 0 [ 360.225186] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 360.230349] 2815 [ 360.233448] ? lock_downgrade+0x900/0x900 [ 360.237742] 6318 [ 360.239548] ? trace_hardirqs_off+0xb8/0x300 [ 360.244359] 6318 [ 360.246417] ? trace_hardirqs_off+0xb8/0x300 [ 360.250534] Node 0 [ 360.252596] __alloc_pages_slowpath+0x2667/0x2d80 [ 360.257002] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 360.259067] ? warn_alloc+0x120/0x120 [ 360.263414] lowmem_reserve[]: 0 [ 360.265657] ? warn_alloc+0x120/0x120 [ 360.270471] 0 [ 360.297283] ? print_usage_bug+0xc0/0xc0 [ 360.301055] 3503 [ 360.304325] ? warn_alloc+0x120/0x120 [ 360.308094] 3503 [ 360.309892] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 360.315981] ? print_usage_bug+0xc0/0xc0 [ 360.319752] Node 0 [ 360.321807] ? __lock_acquire+0x7ec/0x4ec0 [ 360.326826] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 360.330854] ? __lock_acquire+0x7ec/0x4ec0 [ 360.333061] lowmem_reserve[]: 0 [ 360.337301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.365639] 0 0 [ 360.369887] ? should_fail+0x22d/0xd01 [ 360.373133] 0 [ 360.378663] ? __lock_acquire+0x7ec/0x4ec0 [ 360.384494] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.386267] Node 0 [ 360.390491] ? __lock_acquire+0x7ec/0x4ec0 [ 360.395568] DMA: [ 360.397797] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.402002] 1*4kB [ 360.404062] ? __lock_acquire+0x7ec/0x4ec0 [ 360.409138] (U) [ 360.411283] ? should_fail+0x22d/0xd01 [ 360.415491] 0*8kB [ 360.417469] ? mark_held_locks+0x130/0x130 [ 360.421316] 0*16kB 1*32kB [ 360.423466] ? mark_held_locks+0x130/0x130 [ 360.427673] (U) [ 360.430513] ? graph_lock+0x170/0x170 [ 360.434715] 2*64kB [ 360.436683] ? print_usage_bug+0xc0/0xc0 [ 360.440457] (U) [ 360.442690] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 360.446717] 1*128kB (U) [ 360.448696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.453423] 1*256kB [ 360.456084] ? check_preemption_disabled+0x48/0x200 [ 360.461595] (U) [ 360.463908] ? check_preemption_disabled+0x48/0x200 [ 360.468898] 0*512kB 1*1024kB [ 360.470888] ? __lock_is_held+0xb5/0x140 [ 360.475867] (U) [ 360.478976] __alloc_pages_nodemask+0xa80/0xde0 [ 360.482999] 1*2048kB (M) [ 360.484984] ? graph_lock+0x170/0x170 [ 360.489630] 3*4096kB [ 360.492383] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 360.496152] (M) [ 360.498558] ? graph_lock+0x170/0x170 [ 360.503549] = 15908kB [ 360.503557] Node 0 [ 360.505534] ? find_held_lock+0x36/0x1c0 [ 360.509302] DMA32: [ 360.511714] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.513937] 3*4kB [ 360.517996] ? lock_downgrade+0x900/0x900 [ 360.520209] (M) [ 360.524875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.526996] 2*8kB [ 360.531136] cache_grow_begin+0x91/0x8c0 [ 360.533083] (M) [ 360.538617] ? do_raw_spin_unlock+0xa7/0x2f0 [ 360.540748] 2*16kB [ 360.544806] fallback_alloc+0x203/0x2e0 [ 360.546749] (UM) [ 360.551154] ____cache_alloc_node+0x1c7/0x1e0 [ 360.553362] 1*32kB [ 360.557335] kmem_cache_alloc_node+0xe3/0x730 [ 360.559369] (M) [ 360.563859] ? ipv6_get_ifaddr+0x42e/0x620 [ 360.566062] 3*64kB (UM) [ 360.570566] __alloc_skb+0x119/0x770 [ 360.572513] 3*128kB [ 360.576746] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 360.579385] (M) [ 360.583096] ? skb_scrub_packet+0x490/0x490 [ 360.585395] 2*256kB [ 360.590662] ? lock_downgrade+0x900/0x900 [ 360.592611] (M) [ 360.596930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.599220] 3*512kB [ 360.603362] ? refcount_sub_and_test_checked+0x203/0x310 [ 360.605309] (M) [ 360.610847] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 360.613162] 4*1024kB [ 360.618618] ? addrconf_rs_timer+0x6f0/0x6f0 [ 360.620563] (UM) [ 360.626024] ndisc_alloc_skb+0x144/0x340 [ 360.628398] 3*2048kB [ 360.632809] ndisc_send_rs+0x331/0x6e0 [ 360.634836] (M) [ 360.638897] addrconf_rs_timer+0x3c0/0x6f0 [ 360.641282] 3*4096kB [ 360.645169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.647115] (M) [ 360.651360] call_timer_fn+0x272/0x920 [ 360.653735] = 25244kB [ 360.657978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.659929] Node 0 [ 360.663828] ? process_timeout+0x40/0x40 [ 360.666209] Normal: [ 360.670453] ? find_held_lock+0x36/0x1c0 [ 360.672663] 1139*4kB [ 360.676741] ? __run_timers+0x7da/0xc70 [ 360.679027] (MEH) [ 360.683102] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.685483] 438*8kB [ 360.689464] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.691584] (UME) [ 360.696090] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.698381] 175*16kB [ 360.702879] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 360.704999] (UME) [ 360.709248] ? trace_hardirqs_on+0xbd/0x310 [ 360.711626] 64*32kB [ 360.716222] ? kasan_check_read+0x11/0x20 [ 360.718345] (UMEH) [ 360.722677] ? __run_timers+0x7da/0xc70 [ 360.724976] 14*64kB [ 360.729127] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.731331] (UM) [ 360.735325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.737625] 1*128kB [ 360.743099] __run_timers+0x7e5/0xc70 [ 360.745135] (H) [ 360.749386] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 360.751668] 0*256kB [ 360.755479] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 360.757424] 0*512kB [ 360.762791] ? graph_lock+0x170/0x170 [ 360.765086] 0*1024kB [ 360.770097] ? enqueue_hrtimer+0x1a5/0x560 [ 360.772390] 0*2048kB [ 360.776182] ? lock_release+0x970/0x970 [ 360.778568] 0*4096kB [ 360.782795] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 360.785178] = 13932kB [ 360.789151] ? find_held_lock+0x36/0x1c0 [ 360.791537] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 360.796714] ? graph_lock+0x170/0x170 [ 360.799101] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 360.803152] ? pvclock_read_flags+0x160/0x160 [ 360.811971] 788 total pagecache pages [ 360.815785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.824347] 0 pages in swap cache [ 360.828865] ? check_preemption_disabled+0x48/0x200 [ 360.832648] Swap cache stats: add 0, delete 0, find 0/0 [ 360.838199] ? __lock_is_held+0xb5/0x140 [ 360.841629] Free swap = 0kB [ 360.846679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.852018] Total swap = 0kB [ 360.856085] ? check_preemption_disabled+0x48/0x200 [ 360.859070] 1965979 pages RAM [ 360.864610] run_timer_softirq+0x52/0xb0 [ 360.867600] 0 pages HighMem/MovableOnly [ 360.872611] ? rcu_read_lock_sched_held+0x108/0x120 [ 360.875684] 343323 pages reserved [ 360.879740] __do_softirq+0x30b/0xad8 [ 360.883685] 0 pages cma reserved [ 360.888702] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 360.892714] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.895915] ? pvclock_read_flags+0x160/0x160 [ 360.899258] syz-fuzzer cpuset= [ 360.904353] ? lapic_next_event+0x5a/0x90 [ 360.914556] / [ 360.919067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.922233] mems_allowed=0 [ 360.926371] ? check_preemption_disabled+0x48/0x200 [ 360.941504] ? check_preemption_disabled+0x48/0x200 [ 360.946528] ? kvm_clock_read+0x18/0x30 [ 360.950505] ? kvm_sched_clock_read+0x9/0x20 [ 360.954921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.960490] ? check_preemption_disabled+0x48/0x200 [ 360.965535] irq_exit+0x17f/0x1c0 [ 360.969006] smp_apic_timer_interrupt+0x1cb/0x760 [ 360.973864] ? smp_reschedule_interrupt+0x109/0x650 [ 360.978910] ? smp_call_function_single_interrupt+0x650/0x650 [ 360.984823] ? interrupt_entry+0xb5/0xf0 [ 360.988911] ? trace_hardirqs_off_caller+0xbb/0x300 [ 360.993941] ? trace_hardirqs_off_caller+0xbb/0x300 [ 360.998990] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.003849] ? trace_hardirqs_off+0x300/0x300 [ 361.008354] ? trace_hardirqs_off+0x300/0x300 [ 361.012865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.018417] ? check_preemption_disabled+0x48/0x200 [ 361.023445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.029006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.033932] apic_timer_interrupt+0xf/0x20 [ 361.038186] [ 361.040446] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 361.045387] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 361.064307] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 361.072028] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 361.079304] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 361.086572] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 361.093844] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 361.101134] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 361.108482] skb_clone+0x1bb/0x500 [ 361.112063] ? finish_task_switch+0x2f5/0x900 [ 361.116592] ? skb_split+0x11e0/0x11e0 [ 361.120513] ? preempt_notifier_register+0x200/0x200 [ 361.125639] ? __switch_to_asm+0x34/0x70 [ 361.129709] ? __switch_to_asm+0x34/0x70 [ 361.133769] ? __switch_to_asm+0x40/0x70 [ 361.137830] ? __switch_to_asm+0x34/0x70 [ 361.141890] ? __switch_to_asm+0x40/0x70 [ 361.145958] ? __switch_to_asm+0x34/0x70 [ 361.150017] ? __switch_to_asm+0x40/0x70 [ 361.154081] ? __switch_to_asm+0x34/0x70 [ 361.158152] ? __switch_to_asm+0x34/0x70 [ 361.162210] ? __switch_to_asm+0x40/0x70 [ 361.166267] ? __switch_to_asm+0x34/0x70 [ 361.170341] bpf_clone_redirect+0xb9/0x490 [ 361.174580] ? __schedule+0x874/0x1ed0 [ 361.178742] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 361.183767] ? __sched_text_start+0x8/0x8 [ 361.187923] ? retint_kernel+0x2d/0x2d [ 361.191827] ? find_held_lock+0x36/0x1c0 [ 361.195898] ? lock_acquire+0x1ed/0x520 [ 361.199870] ? bpf_test_run+0x32e/0x5a0 [ 361.203844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.209383] ? check_preemption_disabled+0x48/0x200 [ 361.214405] ? kasan_check_read+0x11/0x20 [ 361.218556] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.223838] ? rcu_bh_qs+0xc0/0xc0 [ 361.227393] ? preempt_schedule+0x4d/0x60 [ 361.231540] ? ___preempt_schedule+0x16/0x18 [ 361.235972] ? bpf_test_run+0x1c0/0x5a0 [ 361.239969] ? netlink_diag_dump+0x2a0/0x2a0 [ 361.244386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.249924] ? bpf_test_init.isra.9+0x70/0x100 [ 361.254518] ? bpf_prog_test_run_skb+0x634/0xb40 [ 361.259285] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 361.264131] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.269669] ? fput+0x130/0x1a0 [ 361.272962] ? __bpf_prog_get+0x9b/0x290 [ 361.277029] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 361.281878] ? bpf_prog_test_run+0x130/0x1a0 [ 361.286297] ? __x64_sys_bpf+0x3d8/0x510 [ 361.290362] ? bpf_prog_get+0x20/0x20 [ 361.294176] ? ksys_ioctl+0x81/0xd0 [ 361.297818] ? do_syscall_64+0x1b9/0x820 [ 361.301883] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 361.307256] ? syscall_return_slowpath+0x5e0/0x5e0 [ 361.312189] ? trace_hardirqs_off+0x300/0x300 [ 361.316689] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 361.321707] ? recalc_sigpending_tsk+0x180/0x180 [ 361.326477] ? kasan_check_write+0x14/0x20 [ 361.330729] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.335592] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.340994] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 361.341088] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.347926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.347933] Call Trace: [ 361.347940] [ 361.347970] dump_stack+0x1c4/0x2b4 [ 361.347985] ? dump_stack_print_info.cold.2+0x52/0x52 [ 361.348012] warn_alloc.cold.118+0xb7/0x1bd [ 361.348029] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.354645] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.363879] ? lock_downgrade+0x900/0x900 [ 361.366439] syz-executor6 cpuset= [ 361.368590] ? trace_hardirqs_off+0xb8/0x300 [ 361.372184] syz6 [ 361.377374] ? trace_hardirqs_off+0xb8/0x300 [ 361.381662] mems_allowed=0 [ 361.418241] __alloc_pages_slowpath+0x2667/0x2d80 [ 361.423121] ? warn_alloc+0x120/0x120 [ 361.426927] ? warn_alloc+0x120/0x120 [ 361.430739] ? print_usage_bug+0xc0/0xc0 [ 361.434800] ? warn_alloc+0x120/0x120 [ 361.438599] ? __lock_is_held+0xb5/0x140 [ 361.442660] ? print_usage_bug+0xc0/0xc0 [ 361.446731] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.452272] ? should_fail+0x22d/0xd01 [ 361.456166] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.461269] ? __lock_acquire+0x7ec/0x4ec0 [ 361.465506] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.470608] ? __lock_acquire+0x7ec/0x4ec0 [ 361.474840] ? should_fail+0x22d/0xd01 [ 361.478737] ? mark_held_locks+0x130/0x130 [ 361.482980] ? mark_held_locks+0x130/0x130 [ 361.487220] ? __lock_acquire+0x7ec/0x4ec0 [ 361.491459] ? graph_lock+0x170/0x170 [ 361.495266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.500804] ? check_preemption_disabled+0x48/0x200 [ 361.505818] ? check_preemption_disabled+0x48/0x200 [ 361.510847] ? __lock_is_held+0xb5/0x140 [ 361.514918] __alloc_pages_nodemask+0xa80/0xde0 [ 361.519597] ? graph_lock+0x170/0x170 [ 361.523405] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 361.528418] ? graph_lock+0x170/0x170 [ 361.532230] ? find_held_lock+0x36/0x1c0 [ 361.536303] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.540983] ? lock_downgrade+0x900/0x900 [ 361.545142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.550684] cache_grow_begin+0x91/0x8c0 [ 361.554746] ? do_raw_spin_unlock+0xa7/0x2f0 [ 361.559169] fallback_alloc+0x203/0x2e0 [ 361.563152] ____cache_alloc_node+0x1c7/0x1e0 [ 361.567656] __kmalloc+0x208/0x760 [ 361.571206] ? __neigh_create+0x30b/0x2130 [ 361.575447] __neigh_create+0x30b/0x2130 [ 361.579514] ? trace_hardirqs_on+0xbd/0x310 [ 361.583842] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.589382] ? ip6t_do_table+0xd9e/0x1d30 [ 361.593547] ? mark_held_locks+0x130/0x130 [ 361.597786] ? __local_bh_enable_ip+0x160/0x260 [ 361.602461] ? neigh_hash_alloc+0x1e0/0x1e0 [ 361.606786] ? graph_lock+0x170/0x170 [ 361.610585] ? ip6t_do_table+0xd9e/0x1d30 [ 361.614737] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 361.620187] ? trace_hardirqs_on+0xbd/0x310 [ 361.624519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.630060] ? ip6t_do_table+0xd6a/0x1d30 [ 361.634217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.639755] ? check_preemption_disabled+0x48/0x200 [ 361.644769] ? check_preemption_disabled+0x48/0x200 [ 361.649801] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 361.655344] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.660627] ? rcu_pm_notify+0xc0/0xc0 [ 361.664519] ? graph_lock+0x170/0x170 [ 361.668327] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 361.673532] ip6_finish_output2+0xa59/0x27a0 [ 361.677971] ? ip6_copy_metadata+0xe30/0xe30 [ 361.682385] ? ip6_mtu+0x39c/0x520 [ 361.685932] ? lock_downgrade+0x900/0x900 [ 361.690086] ? check_preemption_disabled+0x48/0x200 [ 361.695113] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 361.700922] ? kasan_check_read+0x11/0x20 [ 361.705098] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.710400] ? rcu_bh_qs+0xc0/0xc0 [ 361.713983] ? ip6_mtu+0x160/0x520 [ 361.717544] ? dst_hold+0x2f0/0x2f0 [ 361.721185] ? kasan_check_read+0x11/0x20 [ 361.725343] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.730626] ? nf_nat_ipv6_out+0x212/0x550 [ 361.734877] ip6_finish_output+0x5fe/0xbc0 [ 361.739115] ? ip6_finish_output+0x5fe/0xbc0 [ 361.743535] ip6_output+0x23e/0xa00 [ 361.747172] ? check_preemption_disabled+0x48/0x200 [ 361.752197] ? ip6_finish_output+0xbc0/0xbc0 [ 361.756611] ? ip6_fragment+0x38c0/0x38c0 [ 361.760768] ? __lock_is_held+0xb5/0x140 [ 361.764849] ndisc_send_skb+0x1005/0x1570 [ 361.769018] ? ndisc_constructor+0xc40/0xc40 [ 361.773450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.779014] ? refcount_sub_and_test_checked+0x203/0x310 [ 361.784490] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 361.789979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.795552] ndisc_send_rs+0x134/0x6e0 [ 361.799460] addrconf_rs_timer+0x3c0/0x6f0 [ 361.803699] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.807961] call_timer_fn+0x272/0x920 [ 361.811854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.816095] ? process_timeout+0x40/0x40 [ 361.820160] ? find_held_lock+0x36/0x1c0 [ 361.824231] ? mark_held_locks+0xc7/0x130 [ 361.828386] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.832888] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.837384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.841625] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 361.846212] ? trace_hardirqs_on+0xbd/0x310 [ 361.850544] ? kasan_check_read+0x11/0x20 [ 361.854729] ? __run_timers+0x7da/0xc70 [ 361.858750] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 361.864245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.868510] __run_timers+0x7e5/0xc70 [ 361.872360] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 361.877753] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.883072] ? rcu_bh_qs+0xc0/0xc0 [ 361.886633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.892185] ? mark_held_locks+0xc7/0x130 [ 361.896433] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 361.901198] ? retint_kernel+0x2d/0x2d [ 361.905090] ? trace_hardirqs_on_caller+0xc0/0x300 [ 361.910024] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 361.914787] ? trace_hardirqs_off_caller+0x300/0x300 [ 361.919892] ? check_preemption_disabled+0x48/0x200 [ 361.924910] ? graph_lock+0x170/0x170 [ 361.928716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.934256] ? check_preemption_disabled+0x48/0x200 [ 361.939289] ? __lock_is_held+0xb5/0x140 [ 361.943354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.948894] ? check_preemption_disabled+0x48/0x200 [ 361.953930] run_timer_softirq+0x52/0xb0 [ 361.958009] ? rcu_read_lock_sched_held+0x108/0x120 [ 361.963047] __do_softirq+0x30b/0xad8 [ 361.966877] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 361.971998] ? pvclock_read_flags+0x160/0x160 [ 361.976503] ? lapic_next_event+0x5a/0x90 [ 361.980660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.986217] ? check_preemption_disabled+0x48/0x200 [ 361.991261] ? check_preemption_disabled+0x48/0x200 [ 361.996317] ? kvm_clock_read+0x18/0x30 [ 362.000316] ? kvm_sched_clock_read+0x9/0x20 [ 362.004751] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.010310] ? check_preemption_disabled+0x48/0x200 [ 362.015362] irq_exit+0x17f/0x1c0 [ 362.019298] smp_apic_timer_interrupt+0x1cb/0x760 [ 362.024162] ? smp_call_function_single_interrupt+0x650/0x650 [ 362.030064] ? interrupt_entry+0xb5/0xf0 [ 362.034141] ? trace_hardirqs_off_caller+0xbb/0x300 [ 362.039168] ? trace_hardirqs_off_caller+0xbb/0x300 [ 362.044208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.049084] ? trace_hardirqs_off+0x300/0x300 [ 362.053593] ? trace_hardirqs_off+0x300/0x300 [ 362.058115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.063671] ? check_preemption_disabled+0x48/0x200 [ 362.068700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.074253] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.079112] apic_timer_interrupt+0xf/0x20 [ 362.083343] [ 362.085588] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 362.090866] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 362.109784] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 362.117546] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 362.124845] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 362.132139] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 362.139429] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 362.146710] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 362.154564] ? arch_local_irq_restore+0x45/0x52 [ 362.159267] dump_stack+0x26a/0x2b4 [ 362.162917] ? dump_stack_print_info.cold.2+0x52/0x52 [ 362.168141] ? mark_held_locks+0x130/0x130 [ 362.172904] ? mark_held_locks+0x130/0x130 [ 362.177147] dump_header+0x27b/0xf72 [ 362.180875] ? pagefault_out_of_memory+0x197/0x197 [ 362.185809] ? mark_held_locks+0x130/0x130 [ 362.190042] ? __lock_acquire+0x7ec/0x4ec0 [ 362.194282] ? mem_cgroup_charge_statistics+0x780/0x780 [ 362.199645] ? print_usage_bug+0xc0/0xc0 [ 362.203705] ? print_usage_bug+0xc0/0xc0 [ 362.207776] ? graph_lock+0x170/0x170 [ 362.211574] ? graph_lock+0x170/0x170 [ 362.215377] ? print_usage_bug+0xc0/0xc0 [ 362.219443] ? print_usage_bug+0xc0/0xc0 [ 362.224038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.229578] ? find_held_lock+0x36/0x1c0 [ 362.233645] ? mark_held_locks+0xc7/0x130 [ 362.237799] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.242904] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.248009] ? lockdep_hardirqs_on+0x421/0x5c0 [ 362.252593] ? trace_hardirqs_on+0xbd/0x310 [ 362.256913] ? kasan_check_read+0x11/0x20 [ 362.261064] ? ___ratelimit+0x36f/0x655 [ 362.265044] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.270502] ? trace_hardirqs_on+0x310/0x310 [ 362.274915] ? lock_downgrade+0x900/0x900 [ 362.279073] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.284182] ? ___ratelimit+0xaa/0x655 [ 362.288075] ? idr_get_free+0xec0/0xec0 [ 362.292059] ? kasan_check_write+0x14/0x20 [ 362.296299] ? do_raw_spin_lock+0xc1/0x200 [ 362.300552] oom_kill_process.cold.27+0x10/0x903 [ 362.305312] ? graph_lock+0x170/0x170 [ 362.309116] ? _raw_spin_unlock+0x2c/0x50 [ 362.313267] ? oom_badness+0xe6/0xaa0 [ 362.317073] ? oom_evaluate_task+0x540/0x540 [ 362.321488] ? find_held_lock+0x36/0x1c0 [ 362.325564] ? out_of_memory+0x974/0x14c0 [ 362.329717] ? lock_downgrade+0x900/0x900 [ 362.333867] ? check_preemption_disabled+0x48/0x200 [ 362.338896] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 362.344696] ? kasan_check_read+0x11/0x20 [ 362.348845] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.354124] ? rcu_bh_qs+0xc0/0xc0 [ 362.357674] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 362.362693] ? oom_evaluate_task+0x302/0x540 [ 362.367278] out_of_memory+0xa86/0x14c0 [ 362.371264] ? oom_killer_disable+0x3a0/0x3a0 [ 362.375761] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 362.380697] ? __mutex_add_waiter+0x2a0/0x2a0 [ 362.385205] __alloc_pages_slowpath+0x2318/0x2d80 [ 362.390083] ? warn_alloc+0x120/0x120 [ 362.393900] ? find_get_entry+0x2f2/0xc40 [ 362.398064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.403604] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 362.408538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.414086] ? should_fail+0x22d/0xd01 [ 362.417985] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.423090] ? __lock_is_held+0xb5/0x140 [ 362.427179] ? __lock_is_held+0xb5/0x140 [ 362.431252] ? find_held_lock+0x36/0x1c0 [ 362.435315] ? ___might_sleep+0x1ed/0x300 [ 362.439461] ? lock_release+0x970/0x970 [ 362.443439] ? arch_local_save_flags+0x40/0x40 [ 362.448035] ? __might_sleep+0x95/0x190 [ 362.452019] __alloc_pages_nodemask+0xa80/0xde0 [ 362.456697] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 362.461721] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 362.467517] ? kasan_check_read+0x11/0x20 [ 362.471671] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.476969] ? graph_lock+0x170/0x170 [ 362.480774] ? print_usage_bug+0xc0/0xc0 [ 362.484837] ? graph_lock+0x170/0x170 [ 362.488639] ? graph_lock+0x170/0x170 [ 362.492440] ? __do_page_cache_readahead+0x7ce/0x980 [ 362.497554] ? find_held_lock+0x36/0x1c0 [ 362.501622] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 362.507166] alloc_pages_current+0x10c/0x210 [ 362.511576] ? lock_downgrade+0x900/0x900 [ 362.515736] __page_cache_alloc+0x38f/0x5b0 [ 362.520062] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 362.525856] ? kasan_check_read+0x11/0x20 [ 362.530007] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.535291] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 362.539970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.545507] ? check_preemption_disabled+0x48/0x200 [ 362.550534] filemap_fault+0x1594/0x25f0 [ 362.554617] ? __lock_page_or_retry+0xa00/0xa00 [ 362.559291] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 362.565085] ? kasan_check_read+0x11/0x20 [ 362.569239] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.574515] ? rcu_bh_qs+0xc0/0xc0 [ 362.578078] ? filemap_map_pages+0xdea/0x1980 [ 362.582582] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.587693] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 362.592982] ? debug_object_free+0x325/0x690 [ 362.597393] ? find_get_pages_range_tag+0x1320/0x1320 [ 362.602588] ? graph_lock+0x170/0x170 [ 362.606397] ? kasan_check_read+0x11/0x20 [ 362.610553] ? debug_object_destroy+0x2b0/0x2b0 [ 362.615237] ? lock_acquire+0x1ed/0x520 [ 362.619210] ? ext4_filemap_fault+0x7a/0xad [ 362.623536] ? lock_release+0x970/0x970 [ 362.627518] ? arch_local_save_flags+0x40/0x40 [ 362.632111] ? futex_wait_setup+0x3e0/0x3e0 [ 362.636446] ? down_read+0xb0/0x1d0 [ 362.640075] ? ext4_filemap_fault+0x7a/0xad [ 362.644398] ? __down_interruptible+0x700/0x700 [ 362.649089] ext4_filemap_fault+0x82/0xad [ 362.653243] __do_fault+0x100/0x6b0 [ 362.656875] ? print_bad_pte+0x6c0/0x6c0 [ 362.660941] ? do_futex+0x249/0x26d0 [ 362.664669] ? kasan_check_read+0x11/0x20 [ 362.668813] ? pmd_val+0x88/0x100 [ 362.672267] ? add_mm_counter_fast+0xd0/0xd0 [ 362.676671] ? pmd_val+0x88/0x100 [ 362.680124] ? add_mm_counter_fast+0xd0/0xd0 [ 362.684549] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.690096] __handle_mm_fault+0x3709/0x53e0 [ 362.694512] ? perf_trace_lock+0x14d/0x7a0 [ 362.698764] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 362.703611] ? graph_lock+0x170/0x170 [ 362.707420] ? print_usage_bug+0xc0/0xc0 [ 362.711494] ? graph_lock+0x170/0x170 [ 362.715302] ? graph_lock+0x170/0x170 [ 362.719156] ? handle_mm_fault+0x42a/0xc70 [ 362.723403] ? lock_downgrade+0x900/0x900 [ 362.727561] ? check_preemption_disabled+0x48/0x200 [ 362.732595] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 362.738410] ? kasan_check_read+0x11/0x20 [ 362.742592] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.747900] ? rcu_bh_qs+0xc0/0xc0 [ 362.751466] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.756957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.762518] ? check_preemption_disabled+0x48/0x200 [ 362.767585] handle_mm_fault+0x54f/0xc70 [ 362.771672] ? __handle_mm_fault+0x53e0/0x53e0 [ 362.776279] ? find_vma+0x34/0x190 [ 362.779840] __do_page_fault+0x67d/0xed0 [ 362.783925] ? mm_fault_error+0x380/0x380 [ 362.788091] ? trace_hardirqs_off+0xb8/0x300 [ 362.792513] ? trace_hardirqs_on+0x310/0x310 [ 362.796963] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 362.802351] ? trace_hardirqs_on+0x310/0x310 [ 362.806979] do_page_fault+0xf2/0x7e0 [ 362.810817] ? vmalloc_sync_all+0x30/0x30 [ 362.815002] ? error_entry+0x70/0xd0 [ 362.818744] ? trace_hardirqs_off_caller+0xbb/0x300 [ 362.823775] ? trace_hardirqs_on_caller+0xc0/0x300 [ 362.828730] ? syscall_return_slowpath+0x5e0/0x5e0 [ 362.833675] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.838531] ? trace_hardirqs_off+0x300/0x300 [ 362.843035] ? trace_hardirqs_off_caller+0x300/0x300 [ 362.848151] ? prepare_exit_to_usermode+0x291/0x3b0 [ 362.853175] ? page_fault+0x8/0x30 [ 362.856725] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.861582] ? page_fault+0x8/0x30 [ 362.865128] page_fault+0x1e/0x30 [ 362.868578] RIP: 0033:0x45ddf3 [ 362.871775] Code: Bad RIP value. [ 362.875136] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 362.880503] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 362.887781] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 362.895077] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 362.902377] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 362.909669] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 362.917006] warn_alloc_show_mem: 1 callbacks suppressed [ 362.917022] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 362.917024] Mem-Info: [ 362.917057] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 362.917057] active_file:16 inactive_file:17 isolated_file:0 [ 362.917057] unevictable:0 dirty:0 writeback:0 unstable:0 [ 362.917057] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 362.917057] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 362.917057] free:13771 free_pcp:233 free_cma:0 [ 362.922413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.922425] Call Trace: [ 362.929717] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 362.932114] [ 362.964999] Node 0 [ 362.974376] dump_stack+0x1c4/0x2b4 [ 362.976966] 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 [ 363.004632] ? dump_stack_print_info.cold.2+0x52/0x52 [ 363.006756] lowmem_reserve[]: [ 363.009006] warn_alloc.cold.118+0xb7/0x1bd [ 363.012596] 0 [ 363.038121] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.043284] 2815 [ 363.046389] ? lock_downgrade+0x900/0x900 [ 363.050683] 6318 [ 363.052491] ? trace_hardirqs_off+0xb8/0x300 [ 363.057304] 6318 [ 363.059398] ? trace_hardirqs_off+0xb8/0x300 [ 363.063513] Node 0 [ 363.065583] __alloc_pages_slowpath+0x2667/0x2d80 [ 363.069995] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 363.072071] ? warn_alloc+0x120/0x120 [ 363.076419] lowmem_reserve[]: [ 363.078658] ? trace_hardirqs_on+0x310/0x310 [ 363.083470] 0 [ 363.110209] ? warn_alloc+0x120/0x120 [ 363.113981] 0 [ 363.117091] ? print_usage_bug+0xc0/0xc0 [ 363.121473] 3503 3503 [ 363.123301] ? warn_alloc+0x120/0x120 [ 363.127078] Node 0 [ 363.128896] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 363.132967] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 363.135448] ? print_usage_bug+0xc0/0xc0 [ 363.139225] lowmem_reserve[]: [ 363.141476] ? __lock_acquire+0x7ec/0x4ec0 [ 363.146460] 0 [ 363.174852] ? __lock_acquire+0x7ec/0x4ec0 [ 363.178887] 0 [ 363.181995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.186202] 0 [ 363.188003] ? should_fail+0x22d/0xd01 [ 363.192206] 0 [ 363.194002] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.201313] ? __lock_acquire+0x7ec/0x4ec0 [ 363.205170] Node 0 [ 363.206972] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.212052] DMA: [ 363.216279] ? __lock_acquire+0x7ec/0x4ec0 [ 363.218489] 1*4kB [ 363.223584] ? should_fail+0x22d/0xd01 [ 363.225622] (U) [ 363.229855] ? print_usage_bug+0xc0/0xc0 [ 363.231983] 0*8kB [ 363.235873] ? mark_held_locks+0x130/0x130 [ 363.237816] 0*16kB [ 363.241870] ? mark_held_locks+0x130/0x130 [ 363.243995] 1*32kB [ 363.248232] ? graph_lock+0x170/0x170 [ 363.250436] (U) [ 363.254660] ? print_usage_bug+0xc0/0xc0 [ 363.256874] 2*64kB [ 363.260670] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 363.262613] (U) [ 363.266669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.268881] 1*128kB [ 363.273626] ? check_preemption_disabled+0x48/0x200 [ 363.275577] (U) [ 363.281104] ? check_preemption_disabled+0x48/0x200 [ 363.283405] 1*256kB [ 363.288420] ? __lock_is_held+0xb5/0x140 [ 363.290356] (U) [ 363.295372] __alloc_pages_nodemask+0xa80/0xde0 [ 363.297661] 0*512kB [ 363.301716] ? graph_lock+0x170/0x170 [ 363.303666] 1*1024kB [ 363.308330] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 363.310629] (U) [ 363.314420] ? graph_lock+0x170/0x170 [ 363.314446] ? find_held_lock+0x36/0x1c0 [ 363.316823] 1*2048kB [ 363.321840] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.323780] (M) [ 363.327577] ? lock_downgrade+0x900/0x900 [ 363.331607] 3*4096kB [ 363.334021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.338646] (M) = 15908kB [ 363.340632] cache_grow_begin+0x91/0x8c0 [ 363.344746] Node 0 [ 363.347156] ? do_raw_spin_unlock+0xa7/0x2f0 [ 363.352663] DMA32: [ 363.355424] fallback_alloc+0x203/0x2e0 [ 363.359447] 3*4kB [ 363.361682] ____cache_alloc_node+0x1c7/0x1e0 [ 363.366055] (M) [ 363.368292] kmem_cache_alloc_node+0xe3/0x730 [ 363.372235] 2*8kB [ 363.374380] ? ipv6_get_ifaddr+0x42e/0x620 [ 363.378844] (M) [ 363.380819] __alloc_skb+0x119/0x770 [ 363.385282] 2*16kB [ 363.387430] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 363.391632] (UM) [ 363.393607] ? skb_scrub_packet+0x490/0x490 [ 363.397290] 1*32kB [ 363.399522] ? lock_downgrade+0x900/0x900 [ 363.404759] (M) 3*64kB [ 363.406834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.411122] (UM) [ 363.413352] ? refcount_sub_and_test_checked+0x203/0x310 [ 363.417471] 3*128kB [ 363.420054] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 363.425555] (M) [ 363.427617] ? addrconf_rs_timer+0x6f0/0x6f0 [ 363.433033] 2*256kB [ 363.435362] ndisc_alloc_skb+0x144/0x340 [ 363.440771] (M) [ 363.442744] ndisc_send_rs+0x331/0x6e0 [ 363.447121] 3*512kB (M) [ 363.449451] addrconf_rs_timer+0x3c0/0x6f0 [ 363.453480] 4*1024kB [ 363.455455] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.459310] (UM) [ 363.461988] call_timer_fn+0x272/0x920 [ 363.466187] 3*2048kB [ 363.468592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.472796] (M) [ 363.474858] ? process_timeout+0x40/0x40 [ 363.478714] 3*4096kB [ 363.481121] ? find_held_lock+0x36/0x1c0 [ 363.485326] (M) [ 363.487308] ? __run_timers+0x7da/0xc70 [ 363.491334] = 25244kB [ 363.493741] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.497771] Node 0 [ 363.499743] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.503687] Normal: [ 363.506103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.510567] 1139*4kB [ 363.512801] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 363.517263] (MEH) [ 363.519579] ? trace_hardirqs_on+0xbd/0x310 [ 363.523787] 438*8kB [ 363.526191] ? kasan_check_read+0x11/0x20 [ 363.530743] (UME) [ 363.532890] ? __run_timers+0x7da/0xc70 [ 363.537180] 175*16kB [ 363.539499] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.543616] (UME) [ 363.545770] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.549712] 64*32kB [ 363.552124] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.557539] (UMEH) [ 363.559686] __run_timers+0x7e5/0xc70 [ 363.563887] 14*64kB [ 363.566211] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 363.570409] (UM) [ 363.572642] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 363.576413] 1*128kB [ 363.578728] ? graph_lock+0x170/0x170 [ 363.584066] (H) [ 363.586121] ? enqueue_hrtimer+0x1a5/0x560 [ 363.591109] 0*256kB [ 363.593427] ? lock_release+0x970/0x970 [ 363.597200] 0*512kB [ 363.599167] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 363.603377] 0*1024kB [ 363.605700] ? find_held_lock+0x36/0x1c0 [ 363.609640] 0*2048kB [ 363.611964] ? graph_lock+0x170/0x170 [ 363.617123] 0*4096kB = 13932kB [ 363.619536] ? pvclock_read_flags+0x160/0x160 [ 363.623582] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 363.625994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.629770] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 363.632949] ? check_preemption_disabled+0x48/0x200 [ 363.637449] 788 total pagecache pages [ 363.646301] ? __lock_is_held+0xb5/0x140 [ 363.651820] 0 pages in swap cache [ 363.660389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.665376] Swap cache stats: add 0, delete 0, find 0/0 [ 363.669168] ? check_preemption_disabled+0x48/0x200 [ 363.673194] Free swap = 0kB [ 363.673203] Total swap = 0kB [ 363.676656] run_timer_softirq+0x52/0xb0 [ 363.682157] 1965979 pages RAM [ 363.687513] ? rcu_read_lock_sched_held+0x108/0x120 [ 363.692501] 0 pages HighMem/MovableOnly [ 363.695514] __do_softirq+0x30b/0xad8 [ 363.698504] 343323 pages reserved [ 363.702565] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 363.705636] 0 pages cma reserved [ 363.710650] ? pvclock_read_flags+0x160/0x160 [ 363.714842] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 363.718385] ? lapic_next_event+0x5a/0x90 [ 363.721890] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 363.726909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.726922] ? check_preemption_disabled+0x48/0x200 [ 363.726931] ? check_preemption_disabled+0x48/0x200 [ 363.726961] ? kvm_clock_read+0x18/0x30 [ 363.726978] ? kvm_sched_clock_read+0x9/0x20 [ 363.730524] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.734824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.741286] syz-fuzzer cpuset= [ 363.745428] ? check_preemption_disabled+0x48/0x200 [ 363.751894] / [ 363.757445] irq_exit+0x17f/0x1c0 [ 363.762428] mems_allowed=0 [ 363.767451] smp_apic_timer_interrupt+0x1cb/0x760 [ 363.812622] ? smp_reschedule_interrupt+0x109/0x650 [ 363.817651] ? smp_call_function_single_interrupt+0x650/0x650 [ 363.823543] ? interrupt_entry+0xb5/0xf0 [ 363.827612] ? trace_hardirqs_off_caller+0xbb/0x300 [ 363.832627] ? trace_hardirqs_off_caller+0xbb/0x300 [ 363.837667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.842528] ? trace_hardirqs_off+0x300/0x300 [ 363.847038] ? trace_hardirqs_off+0x300/0x300 [ 363.851567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.857117] ? check_preemption_disabled+0x48/0x200 [ 363.862153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.867706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.872559] apic_timer_interrupt+0xf/0x20 [ 363.876787] [ 363.879031] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 363.883982] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 363.902901] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 363.910618] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 363.917890] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 363.925179] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 363.932482] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 363.939776] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 363.947131] skb_clone+0x1bb/0x500 [ 363.950682] ? finish_task_switch+0x2f5/0x900 [ 363.955185] ? skb_split+0x11e0/0x11e0 [ 363.959075] ? preempt_notifier_register+0x200/0x200 [ 363.964182] ? __switch_to_asm+0x34/0x70 [ 363.968244] ? __switch_to_asm+0x34/0x70 [ 363.972305] ? __switch_to_asm+0x40/0x70 [ 363.976363] ? __switch_to_asm+0x34/0x70 [ 363.980421] ? __switch_to_asm+0x40/0x70 [ 363.984489] ? __switch_to_asm+0x34/0x70 [ 363.988551] ? __switch_to_asm+0x40/0x70 [ 363.992614] ? __switch_to_asm+0x34/0x70 [ 363.996679] ? __switch_to_asm+0x34/0x70 [ 364.000740] ? __switch_to_asm+0x40/0x70 [ 364.004806] ? __switch_to_asm+0x34/0x70 [ 364.008891] bpf_clone_redirect+0xb9/0x490 [ 364.013150] ? __schedule+0x874/0x1ed0 [ 364.017486] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 364.022548] ? __sched_text_start+0x8/0x8 [ 364.026713] ? retint_kernel+0x2d/0x2d [ 364.030617] ? find_held_lock+0x36/0x1c0 [ 364.034689] ? lock_acquire+0x1ed/0x520 [ 364.038667] ? bpf_test_run+0x32e/0x5a0 [ 364.042647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.048195] ? check_preemption_disabled+0x48/0x200 [ 364.053223] ? kasan_check_read+0x11/0x20 [ 364.057380] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.062667] ? rcu_bh_qs+0xc0/0xc0 [ 364.066215] ? preempt_schedule+0x4d/0x60 [ 364.070377] ? ___preempt_schedule+0x16/0x18 [ 364.074823] ? bpf_test_run+0x1c0/0x5a0 [ 364.078822] ? netlink_diag_dump+0x2a0/0x2a0 [ 364.083241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.088808] ? bpf_test_init.isra.9+0x70/0x100 [ 364.093402] ? bpf_prog_test_run_skb+0x634/0xb40 [ 364.098169] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 364.103015] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 364.108560] ? fput+0x130/0x1a0 [ 364.111843] ? __bpf_prog_get+0x9b/0x290 [ 364.115908] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 364.120751] ? bpf_prog_test_run+0x130/0x1a0 [ 364.125172] ? __x64_sys_bpf+0x3d8/0x510 [ 364.129237] ? bpf_prog_get+0x20/0x20 [ 364.133061] ? ksys_ioctl+0x81/0xd0 [ 364.136715] ? do_syscall_64+0x1b9/0x820 [ 364.140791] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 364.146205] ? syscall_return_slowpath+0x5e0/0x5e0 [ 364.151738] ? trace_hardirqs_off+0x300/0x300 [ 364.156262] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 364.161293] ? recalc_sigpending_tsk+0x180/0x180 [ 364.166063] ? kasan_check_write+0x14/0x20 [ 364.170305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.175163] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.180576] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 364.180649] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.187512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.187518] Call Trace: [ 364.187526] [ 364.187553] dump_stack+0x1c4/0x2b4 [ 364.187570] ? dump_stack_print_info.cold.2+0x52/0x52 [ 364.194174] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.203426] warn_alloc.cold.118+0xb7/0x1bd [ 364.205982] syz-executor6 cpuset= [ 364.208129] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 364.211723] syz6 [ 364.216911] ? lock_downgrade+0x900/0x900 [ 364.227377] mems_allowed=0 [ 364.231703] ? trace_hardirqs_off+0xb8/0x300 [ 364.253409] ? trace_hardirqs_off+0xb8/0x300 [ 364.257847] __alloc_pages_slowpath+0x2667/0x2d80 [ 364.262735] ? check_preemption_disabled+0x48/0x200 [ 364.267802] ? warn_alloc+0x120/0x120 [ 364.271623] ? __update_load_avg_se+0xb90/0xb90 [ 364.276313] ? __lock_is_held+0xb5/0x140 [ 364.280392] ? warn_alloc+0x120/0x120 [ 364.284215] ? print_usage_bug+0xc0/0xc0 [ 364.288289] ? warn_alloc+0x120/0x120 [ 364.292109] ? print_usage_bug+0xc0/0xc0 [ 364.296185] ? __lock_acquire+0x7ec/0x4ec0 [ 364.300442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.306007] ? should_fail+0x22d/0xd01 [ 364.309911] ? graph_lock+0x170/0x170 [ 364.313738] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.318871] ? __lock_acquire+0x7ec/0x4ec0 [ 364.323135] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.328254] ? __lock_acquire+0x7ec/0x4ec0 [ 364.332507] ? should_fail+0x22d/0xd01 [ 364.336412] ? trace_hardirqs_off+0xb8/0x300 [ 364.340845] ? mark_held_locks+0x130/0x130 [ 364.345100] ? mark_held_locks+0x130/0x130 [ 364.349375] ? ___ratelimit.cold.2+0x6b/0x6b [ 364.353803] ? graph_lock+0x170/0x170 [ 364.357614] ? print_usage_bug+0xc0/0xc0 [ 364.361684] ? update_max_interval+0x50/0x50 [ 364.366101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.371648] ? check_preemption_disabled+0x48/0x200 [ 364.376670] ? check_preemption_disabled+0x48/0x200 [ 364.381707] ? __lock_is_held+0xb5/0x140 [ 364.385802] __alloc_pages_nodemask+0xa80/0xde0 [ 364.390489] ? graph_lock+0x170/0x170 [ 364.394304] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 364.399325] ? graph_lock+0x170/0x170 [ 364.403147] ? find_held_lock+0x36/0x1c0 [ 364.407230] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.411914] ? lock_downgrade+0x900/0x900 [ 364.416084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.421649] cache_grow_begin+0x91/0x8c0 [ 364.425728] ? do_raw_spin_unlock+0xa7/0x2f0 [ 364.430157] fallback_alloc+0x203/0x2e0 [ 364.434153] ____cache_alloc_node+0x1c7/0x1e0 [ 364.438670] __kmalloc+0x208/0x760 [ 364.442227] ? __neigh_create+0x30b/0x2130 [ 364.446480] __neigh_create+0x30b/0x2130 [ 364.450560] ? trace_hardirqs_on+0xbd/0x310 [ 364.454895] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 364.460473] ? ip6t_do_table+0xd9e/0x1d30 [ 364.464688] ? mark_held_locks+0x130/0x130 [ 364.468943] ? __local_bh_enable_ip+0x160/0x260 [ 364.473643] ? neigh_hash_alloc+0x1e0/0x1e0 [ 364.477989] ? graph_lock+0x170/0x170 [ 364.481801] ? ip6t_do_table+0xd9e/0x1d30 [ 364.485970] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 364.491428] ? trace_hardirqs_on+0xbd/0x310 [ 364.495770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.501322] ? ip6t_do_table+0xd6a/0x1d30 [ 364.505487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.511034] ? check_preemption_disabled+0x48/0x200 [ 364.516075] ? check_preemption_disabled+0x48/0x200 [ 364.521114] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 364.526666] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.531965] ? rcu_pm_notify+0xc0/0xc0 [ 364.535859] ? graph_lock+0x170/0x170 [ 364.539670] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 364.544878] ip6_finish_output2+0xa59/0x27a0 [ 364.549306] ? ip6_copy_metadata+0xe30/0xe30 [ 364.553722] ? ip6_mtu+0x39c/0x520 [ 364.557270] ? lock_downgrade+0x900/0x900 [ 364.561420] ? check_preemption_disabled+0x48/0x200 [ 364.566452] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 364.572250] ? kasan_check_read+0x11/0x20 [ 364.576406] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.581688] ? rcu_bh_qs+0xc0/0xc0 [ 364.585247] ? ip6_mtu+0x160/0x520 [ 364.588793] ? dst_hold+0x2f0/0x2f0 [ 364.592424] ? kasan_check_read+0x11/0x20 [ 364.596584] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.601869] ? nf_nat_ipv6_out+0x212/0x550 [ 364.606120] ip6_finish_output+0x5fe/0xbc0 [ 364.610358] ? ip6_finish_output+0x5fe/0xbc0 [ 364.614774] ip6_output+0x23e/0xa00 [ 364.618405] ? check_preemption_disabled+0x48/0x200 [ 364.623427] ? ip6_finish_output+0xbc0/0xbc0 [ 364.627841] ? ip6_fragment+0x38c0/0x38c0 [ 364.631997] ? __lock_is_held+0xb5/0x140 [ 364.636089] ndisc_send_skb+0x1005/0x1570 [ 364.640255] ? ndisc_constructor+0xc40/0xc40 [ 364.644671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.650216] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.655682] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.661154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.666707] ndisc_send_rs+0x134/0x6e0 [ 364.670604] addrconf_rs_timer+0x3c0/0x6f0 [ 364.674851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.679107] call_timer_fn+0x272/0x920 [ 364.683000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.687248] ? process_timeout+0x40/0x40 [ 364.691312] ? find_held_lock+0x36/0x1c0 [ 364.695390] ? mark_held_locks+0xc7/0x130 [ 364.699555] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.704052] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.708559] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.712798] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 364.717385] ? trace_hardirqs_on+0xbd/0x310 [ 364.721706] ? kasan_check_read+0x11/0x20 [ 364.725861] ? __run_timers+0x7da/0xc70 [ 364.729843] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 364.735308] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.739562] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.743811] __run_timers+0x7e5/0xc70 [ 364.747632] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 364.753010] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.758305] ? rcu_bh_qs+0xc0/0xc0 [ 364.761855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.767409] ? mark_held_locks+0xc7/0x130 [ 364.771577] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 364.776349] ? retint_kernel+0x2d/0x2d [ 364.780247] ? trace_hardirqs_on_caller+0xc0/0x300 [ 364.785191] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 364.789979] ? trace_hardirqs_off_caller+0x300/0x300 [ 364.795115] ? check_preemption_disabled+0x48/0x200 [ 364.800161] ? graph_lock+0x170/0x170 [ 364.803999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.809572] ? check_preemption_disabled+0x48/0x200 [ 364.814635] ? __lock_is_held+0xb5/0x140 [ 364.818721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.824278] ? check_preemption_disabled+0x48/0x200 [ 364.829320] run_timer_softirq+0x52/0xb0 [ 364.833391] ? rcu_read_lock_sched_held+0x108/0x120 [ 364.838421] __do_softirq+0x30b/0xad8 [ 364.842242] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 364.847364] ? pvclock_read_flags+0x160/0x160 [ 364.851867] ? lapic_next_event+0x5a/0x90 [ 364.856024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.861578] ? check_preemption_disabled+0x48/0x200 [ 364.866614] ? check_preemption_disabled+0x48/0x200 [ 364.871672] ? kvm_clock_read+0x18/0x30 [ 364.875676] ? kvm_sched_clock_read+0x9/0x20 [ 364.880106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.885667] ? check_preemption_disabled+0x48/0x200 [ 364.890716] irq_exit+0x17f/0x1c0 [ 364.894183] smp_apic_timer_interrupt+0x1cb/0x760 [ 364.899034] ? smp_call_function_single_interrupt+0x650/0x650 [ 364.904926] ? interrupt_entry+0xb5/0xf0 [ 364.908999] ? trace_hardirqs_off_caller+0xbb/0x300 [ 364.914015] ? trace_hardirqs_off_caller+0xbb/0x300 [ 364.919035] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.923880] ? trace_hardirqs_off+0x300/0x300 [ 364.928377] ? trace_hardirqs_off+0x300/0x300 [ 364.932877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.938418] ? check_preemption_disabled+0x48/0x200 [ 364.943443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.949017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.953904] apic_timer_interrupt+0xf/0x20 [ 364.958154] [ 364.960413] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 364.965713] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 364.984637] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 364.992366] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 364.999650] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 365.006937] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 365.014232] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 365.021518] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 365.028855] ? arch_local_irq_restore+0x45/0x52 [ 365.033574] dump_stack+0x26a/0x2b4 [ 365.037238] ? dump_stack_print_info.cold.2+0x52/0x52 [ 365.042469] ? mark_held_locks+0x130/0x130 [ 365.046738] ? mark_held_locks+0x130/0x130 [ 365.051019] dump_header+0x27b/0xf72 [ 365.054799] ? pagefault_out_of_memory+0x197/0x197 [ 365.059761] ? mark_held_locks+0x130/0x130 [ 365.064043] ? __lock_acquire+0x7ec/0x4ec0 [ 365.068310] ? mem_cgroup_charge_statistics+0x780/0x780 [ 365.073701] ? print_usage_bug+0xc0/0xc0 [ 365.077791] ? print_usage_bug+0xc0/0xc0 [ 365.081886] ? graph_lock+0x170/0x170 [ 365.085707] ? graph_lock+0x170/0x170 [ 365.089535] ? print_usage_bug+0xc0/0xc0 [ 365.093653] ? print_usage_bug+0xc0/0xc0 [ 365.097760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.103337] ? find_held_lock+0x36/0x1c0 [ 365.107444] ? mark_held_locks+0xc7/0x130 [ 365.111626] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 365.116746] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 365.121866] ? lockdep_hardirqs_on+0x421/0x5c0 [ 365.126460] ? trace_hardirqs_on+0xbd/0x310 [ 365.130788] ? kasan_check_read+0x11/0x20 [ 365.134962] ? ___ratelimit+0x36f/0x655 [ 365.138968] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.144442] ? trace_hardirqs_on+0x310/0x310 [ 365.148855] ? lock_downgrade+0x900/0x900 [ 365.153024] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 365.158156] ? ___ratelimit+0xaa/0x655 [ 365.162075] ? idr_get_free+0xec0/0xec0 [ 365.166079] ? kasan_check_write+0x14/0x20 [ 365.170342] ? do_raw_spin_lock+0xc1/0x200 [ 365.174618] oom_kill_process.cold.27+0x10/0x903 [ 365.179405] ? graph_lock+0x170/0x170 [ 365.183219] ? _raw_spin_unlock+0x2c/0x50 [ 365.187373] ? oom_badness+0xe6/0xaa0 [ 365.191191] ? oom_evaluate_task+0x540/0x540 [ 365.195614] ? find_held_lock+0x36/0x1c0 [ 365.199689] ? out_of_memory+0x974/0x14c0 [ 365.203847] ? lock_downgrade+0x900/0x900 [ 365.207997] ? check_preemption_disabled+0x48/0x200 [ 365.213025] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 365.218824] ? kasan_check_read+0x11/0x20 [ 365.222984] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 365.228270] ? rcu_bh_qs+0xc0/0xc0 [ 365.231824] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 365.236852] ? oom_evaluate_task+0x302/0x540 [ 365.241274] out_of_memory+0xa86/0x14c0 [ 365.245265] ? oom_killer_disable+0x3a0/0x3a0 [ 365.249766] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 365.254702] ? __mutex_add_waiter+0x2a0/0x2a0 [ 365.259214] __alloc_pages_slowpath+0x2318/0x2d80 [ 365.264093] ? warn_alloc+0x120/0x120 [ 365.267909] ? find_get_entry+0x2f2/0xc40 [ 365.272069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.277611] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 365.282564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.288121] ? should_fail+0x22d/0xd01 [ 365.292036] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.297161] ? __lock_is_held+0xb5/0x140 [ 365.301253] ? __lock_is_held+0xb5/0x140 [ 365.305334] ? find_held_lock+0x36/0x1c0 [ 365.309405] ? ___might_sleep+0x1ed/0x300 [ 365.313562] ? lock_release+0x970/0x970 [ 365.317554] ? arch_local_save_flags+0x40/0x40 [ 365.322158] ? __might_sleep+0x95/0x190 [ 365.326152] __alloc_pages_nodemask+0xa80/0xde0 [ 365.330844] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 365.335879] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 365.341690] ? kasan_check_read+0x11/0x20 [ 365.345856] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 365.351148] ? graph_lock+0x170/0x170 [ 365.354972] ? print_usage_bug+0xc0/0xc0 [ 365.359050] ? graph_lock+0x170/0x170 [ 365.362859] ? graph_lock+0x170/0x170 [ 365.366672] ? __do_page_cache_readahead+0x7ce/0x980 [ 365.371793] ? find_held_lock+0x36/0x1c0 [ 365.375872] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 365.381433] alloc_pages_current+0x10c/0x210 [ 365.385847] ? lock_downgrade+0x900/0x900 [ 365.390009] __page_cache_alloc+0x38f/0x5b0 [ 365.394337] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 365.400138] ? kasan_check_read+0x11/0x20 [ 365.404292] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 365.409580] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 365.414256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.419800] ? check_preemption_disabled+0x48/0x200 [ 365.424833] filemap_fault+0x1594/0x25f0 [ 365.428918] ? __lock_page_or_retry+0xa00/0xa00 [ 365.433604] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 365.439409] ? kasan_check_read+0x11/0x20 [ 365.443574] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 365.448863] ? rcu_bh_qs+0xc0/0xc0 [ 365.452422] ? filemap_map_pages+0xdea/0x1980 [ 365.456932] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 365.462055] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 365.467337] ? debug_object_free+0x325/0x690 [ 365.471759] ? find_get_pages_range_tag+0x1320/0x1320 [ 365.476973] ? graph_lock+0x170/0x170 [ 365.480791] ? kasan_check_read+0x11/0x20 [ 365.484948] ? debug_object_destroy+0x2b0/0x2b0 [ 365.489646] ? lock_acquire+0x1ed/0x520 [ 365.493630] ? ext4_filemap_fault+0x7a/0xad [ 365.497973] ? lock_release+0x970/0x970 [ 365.501963] ? arch_local_save_flags+0x40/0x40 [ 365.506562] ? futex_wait_setup+0x3e0/0x3e0 [ 365.510904] ? down_read+0xb0/0x1d0 [ 365.514532] ? ext4_filemap_fault+0x7a/0xad [ 365.518868] ? __down_interruptible+0x700/0x700 [ 365.523574] ext4_filemap_fault+0x82/0xad [ 365.527742] __do_fault+0x100/0x6b0 [ 365.531394] ? print_bad_pte+0x6c0/0x6c0 [ 365.535468] ? do_futex+0x249/0x26d0 [ 365.539190] ? kasan_check_read+0x11/0x20 [ 365.543346] ? pmd_val+0x88/0x100 [ 365.546802] ? add_mm_counter_fast+0xd0/0xd0 [ 365.551225] ? pmd_val+0x88/0x100 [ 365.554693] ? add_mm_counter_fast+0xd0/0xd0 [ 365.559120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.564680] __handle_mm_fault+0x3709/0x53e0 [ 365.569098] ? perf_trace_lock+0x14d/0x7a0 [ 365.573353] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 365.578209] ? graph_lock+0x170/0x170 [ 365.582023] ? print_usage_bug+0xc0/0xc0 [ 365.586098] ? graph_lock+0x170/0x170 [ 365.589902] ? graph_lock+0x170/0x170 [ 365.593730] ? handle_mm_fault+0x42a/0xc70 [ 365.597983] ? lock_downgrade+0x900/0x900 [ 365.602139] ? check_preemption_disabled+0x48/0x200 [ 365.607173] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 365.612986] ? kasan_check_read+0x11/0x20 [ 365.617146] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 365.622432] ? rcu_bh_qs+0xc0/0xc0 [ 365.625985] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.631444] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.636992] ? check_preemption_disabled+0x48/0x200 [ 365.642024] handle_mm_fault+0x54f/0xc70 [ 365.646101] ? __handle_mm_fault+0x53e0/0x53e0 [ 365.650695] ? find_vma+0x34/0x190 [ 365.654251] __do_page_fault+0x67d/0xed0 [ 365.658327] ? mm_fault_error+0x380/0x380 [ 365.662479] ? trace_hardirqs_off+0xb8/0x300 [ 365.666894] ? trace_hardirqs_on+0x310/0x310 [ 365.671314] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 365.676697] ? trace_hardirqs_on+0x310/0x310 [ 365.681125] do_page_fault+0xf2/0x7e0 [ 365.684938] ? vmalloc_sync_all+0x30/0x30 [ 365.689098] ? error_entry+0x70/0xd0 [ 365.692818] ? trace_hardirqs_off_caller+0xbb/0x300 [ 365.697838] ? trace_hardirqs_on_caller+0xc0/0x300 [ 365.702774] ? syscall_return_slowpath+0x5e0/0x5e0 [ 365.707715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.712571] ? trace_hardirqs_off+0x300/0x300 [ 365.717075] ? trace_hardirqs_off_caller+0x300/0x300 [ 365.722196] ? prepare_exit_to_usermode+0x291/0x3b0 [ 365.727225] ? page_fault+0x8/0x30 [ 365.730778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.735637] ? page_fault+0x8/0x30 [ 365.739189] page_fault+0x1e/0x30 [ 365.742643] RIP: 0033:0x45ddf3 [ 365.745844] Code: Bad RIP value. [ 365.749206] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 365.754573] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 365.761844] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 365.769121] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 365.776410] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 365.783698] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 365.791026] warn_alloc_show_mem: 1 callbacks suppressed [ 365.791040] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 365.791042] Mem-Info: [ 365.791058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.796441] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 365.796441] active_file:16 inactive_file:17 isolated_file:0 [ 365.796441] unevictable:0 dirty:0 writeback:0 unstable:0 [ 365.796441] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 365.796441] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 365.796441] free:13771 free_pcp:233 free_cma:0 [ 365.803704] Call Trace: [ 365.806129] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 365.815494] [ 365.848383] Node 0 [ 365.850987] dump_stack+0x1c4/0x2b4 [ 365.878669] 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 [ 365.880803] ? dump_stack_print_info.cold.2+0x52/0x52 [ 365.882998] lowmem_reserve[]: [ 365.886640] warn_alloc.cold.118+0xb7/0x1bd [ 365.912144] 0 [ 365.917355] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 365.920425] 2815 [ 365.924744] ? lock_downgrade+0x900/0x900 [ 365.926517] 6318 [ 365.931357] ? trace_hardirqs_off+0xb8/0x300 [ 365.933391] 6318 [ 365.937532] ? trace_hardirqs_off+0xb8/0x300 [ 365.943988] __alloc_pages_slowpath+0x2667/0x2d80 [ 365.946021] Node 0 [ 365.950459] ? warn_alloc+0x120/0x120 [ 365.955277] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 365.957489] ? trace_hardirqs_on+0x310/0x310 [ 365.961257] lowmem_reserve[]: [ 365.988008] ? warn_alloc+0x120/0x120 [ 365.992388] 0 0 [ 365.995530] ? print_usage_bug+0xc0/0xc0 [ 365.999301] 3503 3503 [ 366.001301] ? warn_alloc+0x120/0x120 [ 366.007824] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 366.011595] Node 0 [ 366.017037] ? print_usage_bug+0xc0/0xc0 [ 366.017070] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 366.017079] lowmem_reserve[]: [ 366.019316] ? __lock_acquire+0x7ec/0x4ec0 [ 366.023368] 0 [ 366.051759] ? __lock_acquire+0x7ec/0x4ec0 [ 366.054832] 0 0 [ 366.059100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.060872] 0 [ 366.065117] ? should_fail+0x22d/0xd01 [ 366.072616] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.074392] Node 0 [ 366.078286] ? __lock_acquire+0x7ec/0x4ec0 [ 366.083373] DMA: [ 366.085623] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.089829] 1*4kB [ 366.091894] ? __lock_acquire+0x7ec/0x4ec0 [ 366.096980] (U) [ 366.099134] ? should_fail+0x22d/0xd01 [ 366.103344] 0*8kB [ 366.105325] ? print_usage_bug+0xc0/0xc0 [ 366.109181] 0*16kB [ 366.111342] ? mark_held_locks+0x130/0x130 [ 366.115381] 1*32kB [ 366.117633] ? mark_held_locks+0x130/0x130 [ 366.121846] (U) [ 366.124101] ? graph_lock+0x170/0x170 [ 366.128304] 2*64kB (U) [ 366.130305] ? print_usage_bug+0xc0/0xc0 [ 366.134085] 1*128kB [ 366.136677] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 366.140705] (U) [ 366.143026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.147751] 1*256kB [ 366.150194] ? check_preemption_disabled+0x48/0x200 [ 366.155726] (U) [ 366.158057] ? check_preemption_disabled+0x48/0x200 [ 366.163043] 0*512kB 1*1024kB [ 366.165058] ? __lock_is_held+0xb5/0x140 [ 366.170564] (U) [ 366.173679] __alloc_pages_nodemask+0xa80/0xde0 [ 366.177707] 1*2048kB [ 366.179683] ? graph_lock+0x170/0x170 [ 366.184331] (M) [ 366.186752] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 366.190520] 3*4096kB [ 366.192498] ? graph_lock+0x170/0x170 [ 366.197500] (M) [ 366.199936] ? find_held_lock+0x36/0x1c0 [ 366.203696] = 15908kB [ 366.203706] Node 0 [ 366.205700] ? ____cache_alloc_node+0x1c7/0x1e0 [ 366.209726] DMA32: [ 366.212135] ? lock_downgrade+0x900/0x900 [ 366.214343] 3*4kB [ 366.219013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.221211] (M) [ 366.225360] cache_grow_begin+0x91/0x8c0 [ 366.227479] 2*8kB [ 366.233011] ? do_raw_spin_unlock+0xa7/0x2f0 [ 366.234968] (M) [ 366.239027] fallback_alloc+0x203/0x2e0 [ 366.241143] 2*16kB [ 366.245547] ____cache_alloc_node+0x1c7/0x1e0 [ 366.247496] (UM) [ 366.251463] kmem_cache_alloc_node+0xe3/0x730 [ 366.253672] 1*32kB [ 366.258162] ? ipv6_get_ifaddr+0x42e/0x620 [ 366.260195] (M) [ 366.264694] __alloc_skb+0x119/0x770 [ 366.266896] 3*64kB [ 366.271132] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 366.273074] (UM) [ 366.276782] ? skb_scrub_packet+0x490/0x490 [ 366.278987] 3*128kB [ 366.284259] ? lock_downgrade+0x900/0x900 [ 366.286291] (M) [ 366.290615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.292902] 2*256kB (M) [ 366.297059] ? refcount_sub_and_test_checked+0x203/0x310 [ 366.299000] 3*512kB [ 366.304533] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 366.307171] (M) [ 366.312627] ? addrconf_rs_timer+0x6f0/0x6f0 [ 366.314921] 4*1024kB [ 366.320379] ndisc_alloc_skb+0x144/0x340 [ 366.322320] (UM) [ 366.326728] ndisc_send_rs+0x331/0x6e0 [ 366.329114] 3*2048kB [ 366.333174] addrconf_rs_timer+0x3c0/0x6f0 [ 366.335202] (M) [ 366.339089] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.341472] 3*4096kB [ 366.345713] call_timer_fn+0x272/0x920 [ 366.347649] (M) [ 366.351878] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.354257] = 25244kB [ 366.354265] Node 0 [ 366.358155] ? process_timeout+0x40/0x40 [ 366.360104] Normal: [ 366.364329] ? find_held_lock+0x36/0x1c0 [ 366.364353] ? __run_timers+0x7da/0xc70 [ 366.366733] 1139*4kB [ 366.368975] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.373008] (MEH) [ 366.375325] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.379365] 438*8kB [ 366.383336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.385718] (UME) [ 366.390212] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 366.392334] 175*16kB (UME) [ 366.396834] ? trace_hardirqs_on+0xbd/0x310 [ 366.399129] 64*32kB [ 366.403360] ? kasan_check_read+0x11/0x20 [ 366.403380] ? __run_timers+0x7da/0xc70 [ 366.405507] (UMEH) [ 366.410088] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.412993] 14*64kB [ 366.417314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.419602] (UM) [ 366.423748] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.427693] 1*128kB [ 366.429925] __run_timers+0x7e5/0xc70 [ 366.435345] (H) [ 366.437673] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 366.441874] 0*256kB [ 366.443932] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 366.448133] 0*512kB [ 366.450454] ? graph_lock+0x170/0x170 [ 366.454227] 0*1024kB [ 366.456196] ? enqueue_hrtimer+0x1a5/0x560 [ 366.461524] 0*2048kB 0*4096kB [ 366.463852] ? lock_release+0x970/0x970 [ 366.468838] = 13932kB [ 366.468853] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 366.471168] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 366.474948] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 366.477357] ? find_held_lock+0x36/0x1c0 [ 366.481561] 788 total pagecache pages [ 366.484750] ? graph_lock+0x170/0x170 [ 366.488701] 0 pages in swap cache [ 366.491095] ? pvclock_read_flags+0x160/0x160 [ 366.499905] Swap cache stats: add 0, delete 0, find 0/0 [ 366.499915] Free swap = 0kB [ 366.505113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.513660] Total swap = 0kB [ 366.513671] 1965979 pages RAM [ 366.517740] ? check_preemption_disabled+0x48/0x200 [ 366.521501] 0 pages HighMem/MovableOnly [ 366.521510] 343323 pages reserved [ 366.525320] ? __lock_is_held+0xb5/0x140 [ 366.528739] 0 pages cma reserved [ 366.533236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.538929] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 366.541592] ? check_preemption_disabled+0x48/0x200 [ 366.547105] syz-fuzzer cpuset= [ 366.550128] run_timer_softirq+0x52/0xb0 [ 366.553195] / [ 366.558214] ? rcu_read_lock_sched_held+0x108/0x120 [ 366.562163] mems_allowed=0 [ 366.565615] __do_softirq+0x30b/0xad8 [ 366.614399] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 366.619509] ? pvclock_read_flags+0x160/0x160 [ 366.624005] ? lapic_next_event+0x5a/0x90 [ 366.628157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.633700] ? check_preemption_disabled+0x48/0x200 [ 366.638715] ? check_preemption_disabled+0x48/0x200 [ 366.643741] ? kvm_clock_read+0x18/0x30 [ 366.647720] ? kvm_sched_clock_read+0x9/0x20 [ 366.652138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.657680] ? check_preemption_disabled+0x48/0x200 [ 366.662708] irq_exit+0x17f/0x1c0 [ 366.666169] smp_apic_timer_interrupt+0x1cb/0x760 [ 366.671011] ? smp_reschedule_interrupt+0x109/0x650 [ 366.676033] ? smp_call_function_single_interrupt+0x650/0x650 [ 366.681924] ? interrupt_entry+0xb5/0xf0 [ 366.686001] ? trace_hardirqs_off_caller+0xbb/0x300 [ 366.691018] ? trace_hardirqs_off_caller+0xbb/0x300 [ 366.696050] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.700896] ? trace_hardirqs_off+0x300/0x300 [ 366.705389] ? trace_hardirqs_off+0x300/0x300 [ 366.709906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.715444] ? check_preemption_disabled+0x48/0x200 [ 366.720459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.726005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.730862] apic_timer_interrupt+0xf/0x20 [ 366.735091] [ 366.737331] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 366.742270] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 366.761187] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 366.768911] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 366.776181] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 366.783445] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 366.790710] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 366.797982] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 366.805300] skb_clone+0x1bb/0x500 [ 366.808843] ? finish_task_switch+0x2f5/0x900 [ 366.813338] ? skb_split+0x11e0/0x11e0 [ 366.817228] ? preempt_notifier_register+0x200/0x200 [ 366.822330] ? __switch_to_asm+0x34/0x70 [ 366.826387] ? __switch_to_asm+0x34/0x70 [ 366.830445] ? __switch_to_asm+0x40/0x70 [ 366.834504] ? __switch_to_asm+0x34/0x70 [ 366.838561] ? __switch_to_asm+0x40/0x70 [ 366.842620] ? __switch_to_asm+0x34/0x70 [ 366.846681] ? __switch_to_asm+0x40/0x70 [ 366.850742] ? __switch_to_asm+0x34/0x70 [ 366.854804] ? __switch_to_asm+0x34/0x70 [ 366.858862] ? __switch_to_asm+0x40/0x70 [ 366.862919] ? __switch_to_asm+0x34/0x70 [ 366.866996] bpf_clone_redirect+0xb9/0x490 [ 366.871236] ? __schedule+0x874/0x1ed0 [ 366.875136] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 366.880152] ? __sched_text_start+0x8/0x8 [ 366.884303] ? retint_kernel+0x2d/0x2d [ 366.888204] ? find_held_lock+0x36/0x1c0 [ 366.892272] ? lock_acquire+0x1ed/0x520 [ 366.896245] ? bpf_test_run+0x32e/0x5a0 [ 366.900219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.905754] ? check_preemption_disabled+0x48/0x200 [ 366.910771] ? kasan_check_read+0x11/0x20 [ 366.914922] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 366.920207] ? rcu_bh_qs+0xc0/0xc0 [ 366.923749] ? preempt_schedule+0x4d/0x60 [ 366.927901] ? ___preempt_schedule+0x16/0x18 [ 366.932321] ? bpf_test_run+0x1c0/0x5a0 [ 366.936310] ? netlink_diag_dump+0x2a0/0x2a0 [ 366.940723] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.946257] ? bpf_test_init.isra.9+0x70/0x100 [ 366.950846] ? bpf_prog_test_run_skb+0x634/0xb40 [ 366.955606] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 366.960445] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.965984] ? fput+0x130/0x1a0 [ 366.969267] ? __bpf_prog_get+0x9b/0x290 [ 366.973331] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 366.978171] ? bpf_prog_test_run+0x130/0x1a0 [ 366.982585] ? __x64_sys_bpf+0x3d8/0x510 [ 366.986647] ? bpf_prog_get+0x20/0x20 [ 366.990453] ? ksys_ioctl+0x81/0xd0 [ 366.994095] ? do_syscall_64+0x1b9/0x820 [ 366.998155] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 367.003518] ? syscall_return_slowpath+0x5e0/0x5e0 [ 367.008450] ? trace_hardirqs_off+0x300/0x300 [ 367.012950] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 367.017982] ? recalc_sigpending_tsk+0x180/0x180 [ 367.022742] ? kasan_check_write+0x14/0x20 [ 367.026988] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.031843] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 367.037226] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 367.037320] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.044156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 367.044162] Call Trace: [ 367.044169] [ 367.044186] dump_stack+0x1c4/0x2b4 [ 367.044205] ? dump_stack_print_info.cold.2+0x52/0x52 [ 367.050751] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.060049] warn_alloc.cold.118+0xb7/0x1bd [ 367.062604] syz-executor6 cpuset= [ 367.064753] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 367.068347] syz6 [ 367.073532] ? lock_downgrade+0x900/0x900 [ 367.084001] mems_allowed=0 [ 367.105640] ? trace_hardirqs_off+0xb8/0x300 [ 367.110066] ? trace_hardirqs_off+0xb8/0x300 [ 367.114499] __alloc_pages_slowpath+0x2667/0x2d80 [ 367.119388] ? warn_alloc+0x120/0x120 [ 367.123209] ? warn_alloc+0x120/0x120 [ 367.127033] ? print_usage_bug+0xc0/0xc0 [ 367.131114] ? warn_alloc+0x120/0x120 [ 367.134924] ? print_usage_bug+0xc0/0xc0 [ 367.139024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.144608] ? should_fail+0x22d/0xd01 [ 367.148983] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.154101] ? __lock_acquire+0x7ec/0x4ec0 [ 367.158363] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.163473] ? __lock_acquire+0x7ec/0x4ec0 [ 367.167711] ? should_fail+0x22d/0xd01 [ 367.171614] ? mark_held_locks+0x130/0x130 [ 367.175856] ? mark_held_locks+0x130/0x130 [ 367.180091] ? graph_lock+0x170/0x170 [ 367.183899] ? graph_lock+0x170/0x170 [ 367.187709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.193245] ? check_preemption_disabled+0x48/0x200 [ 367.198263] ? check_preemption_disabled+0x48/0x200 [ 367.203303] ? __lock_is_held+0xb5/0x140 [ 367.207389] __alloc_pages_nodemask+0xa80/0xde0 [ 367.212083] ? graph_lock+0x170/0x170 [ 367.215915] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 367.220952] ? graph_lock+0x170/0x170 [ 367.224803] ? find_held_lock+0x36/0x1c0 [ 367.228891] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.233570] ? lock_downgrade+0x900/0x900 [ 367.237731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.243280] cache_grow_begin+0x91/0x8c0 [ 367.247349] ? do_raw_spin_unlock+0xa7/0x2f0 [ 367.251769] fallback_alloc+0x203/0x2e0 [ 367.255751] ____cache_alloc_node+0x1c7/0x1e0 [ 367.260257] __kmalloc+0x208/0x760 [ 367.263809] ? __neigh_create+0x30b/0x2130 [ 367.268055] __neigh_create+0x30b/0x2130 [ 367.272125] ? trace_hardirqs_on+0xbd/0x310 [ 367.276451] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 367.281997] ? ip6t_do_table+0xd9e/0x1d30 [ 367.286159] ? mark_held_locks+0x130/0x130 [ 367.290395] ? __local_bh_enable_ip+0x160/0x260 [ 367.295069] ? neigh_hash_alloc+0x1e0/0x1e0 [ 367.299394] ? graph_lock+0x170/0x170 [ 367.303200] ? ip6t_do_table+0xd9e/0x1d30 [ 367.307351] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.312802] ? trace_hardirqs_on+0xbd/0x310 [ 367.317133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.322674] ? ip6t_do_table+0xd6a/0x1d30 [ 367.326832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.332372] ? check_preemption_disabled+0x48/0x200 [ 367.337383] ? check_preemption_disabled+0x48/0x200 [ 367.342419] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 367.348217] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 367.353514] ? rcu_pm_notify+0xc0/0xc0 [ 367.357409] ? graph_lock+0x170/0x170 [ 367.361210] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 367.366410] ip6_finish_output2+0xa59/0x27a0 [ 367.370831] ? ip6_copy_metadata+0xe30/0xe30 [ 367.375245] ? ip6_mtu+0x39c/0x520 [ 367.378789] ? lock_downgrade+0x900/0x900 [ 367.382936] ? check_preemption_disabled+0x48/0x200 [ 367.387974] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 367.393773] ? kasan_check_read+0x11/0x20 [ 367.397926] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 367.403213] ? rcu_bh_qs+0xc0/0xc0 [ 367.406765] ? ip6_mtu+0x160/0x520 [ 367.410307] ? dst_hold+0x2f0/0x2f0 [ 367.413937] ? kasan_check_read+0x11/0x20 [ 367.418096] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 367.423374] ? nf_nat_ipv6_out+0x212/0x550 [ 367.427613] ip6_finish_output+0x5fe/0xbc0 [ 367.431846] ? ip6_finish_output+0x5fe/0xbc0 [ 367.436263] ip6_output+0x23e/0xa00 [ 367.439889] ? check_preemption_disabled+0x48/0x200 [ 367.444910] ? ip6_finish_output+0xbc0/0xbc0 [ 367.449323] ? ip6_fragment+0x38c0/0x38c0 [ 367.453474] ? __lock_is_held+0xb5/0x140 [ 367.457561] ndisc_send_skb+0x1005/0x1570 [ 367.461723] ? ndisc_constructor+0xc40/0xc40 [ 367.466144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.471684] ? refcount_sub_and_test_checked+0x203/0x310 [ 367.477142] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 367.482606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.488151] ndisc_send_rs+0x134/0x6e0 [ 367.492051] addrconf_rs_timer+0x3c0/0x6f0 [ 367.496292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.500548] call_timer_fn+0x272/0x920 [ 367.504439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.508676] ? process_timeout+0x40/0x40 [ 367.512735] ? find_held_lock+0x36/0x1c0 [ 367.516805] ? mark_held_locks+0xc7/0x130 [ 367.520965] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.525462] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.529966] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.534205] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 367.538791] ? trace_hardirqs_on+0xbd/0x310 [ 367.543116] ? kasan_check_read+0x11/0x20 [ 367.547267] ? __run_timers+0x7da/0xc70 [ 367.551246] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.556706] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.560951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.565199] __run_timers+0x7e5/0xc70 [ 367.569018] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 367.574388] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 367.579671] ? rcu_bh_qs+0xc0/0xc0 [ 367.583216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.588759] ? mark_held_locks+0xc7/0x130 [ 367.592911] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 367.597672] ? retint_kernel+0x2d/0x2d [ 367.601566] ? trace_hardirqs_on_caller+0xc0/0x300 [ 367.606504] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 367.611266] ? trace_hardirqs_off_caller+0x300/0x300 [ 367.616377] ? check_preemption_disabled+0x48/0x200 [ 367.621395] ? graph_lock+0x170/0x170 [ 367.625198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.630738] ? check_preemption_disabled+0x48/0x200 [ 367.635765] ? __lock_is_held+0xb5/0x140 [ 367.639830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.645365] ? check_preemption_disabled+0x48/0x200 [ 367.650388] run_timer_softirq+0x52/0xb0 [ 367.654452] ? rcu_read_lock_sched_held+0x108/0x120 [ 367.659471] __do_softirq+0x30b/0xad8 [ 367.663287] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 367.668397] ? pvclock_read_flags+0x160/0x160 [ 367.672889] ? lapic_next_event+0x5a/0x90 [ 367.677043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.682582] ? check_preemption_disabled+0x48/0x200 [ 367.687594] ? check_preemption_disabled+0x48/0x200 [ 367.692614] ? kvm_clock_read+0x18/0x30 [ 367.696589] ? kvm_sched_clock_read+0x9/0x20 [ 367.701002] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.706539] ? check_preemption_disabled+0x48/0x200 [ 367.711580] irq_exit+0x17f/0x1c0 [ 367.715043] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.719890] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.725773] ? interrupt_entry+0xb5/0xf0 [ 367.729840] ? trace_hardirqs_off_caller+0xbb/0x300 [ 367.734860] ? trace_hardirqs_off_caller+0xbb/0x300 [ 367.739884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.744732] ? trace_hardirqs_off+0x300/0x300 [ 367.749226] ? trace_hardirqs_off+0x300/0x300 [ 367.753729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.759266] ? check_preemption_disabled+0x48/0x200 [ 367.764283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.769830] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.774685] apic_timer_interrupt+0xf/0x20 [ 367.778915] [ 367.781156] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 367.786436] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 367.805372] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 367.813091] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 367.820361] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 367.827633] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 367.834901] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 367.842166] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 367.849459] ? arch_local_irq_restore+0x45/0x52 [ 367.854146] dump_stack+0x26a/0x2b4 [ 367.857780] ? dump_stack_print_info.cold.2+0x52/0x52 [ 367.862983] ? mark_held_locks+0x130/0x130 [ 367.867219] ? mark_held_locks+0x130/0x130 [ 367.871464] dump_header+0x27b/0xf72 [ 367.875194] ? pagefault_out_of_memory+0x197/0x197 [ 367.880136] ? mark_held_locks+0x130/0x130 [ 367.884373] ? __lock_acquire+0x7ec/0x4ec0 [ 367.888610] ? mem_cgroup_charge_statistics+0x780/0x780 [ 367.893984] ? print_usage_bug+0xc0/0xc0 [ 367.898045] ? print_usage_bug+0xc0/0xc0 [ 367.902117] ? graph_lock+0x170/0x170 [ 367.905913] ? graph_lock+0x170/0x170 [ 367.909716] ? print_usage_bug+0xc0/0xc0 [ 367.913777] ? print_usage_bug+0xc0/0xc0 [ 367.917847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.923390] ? find_held_lock+0x36/0x1c0 [ 367.927463] ? mark_held_locks+0xc7/0x130 [ 367.931620] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.936728] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.941833] ? lockdep_hardirqs_on+0x421/0x5c0 [ 367.946420] ? trace_hardirqs_on+0xbd/0x310 [ 367.950748] ? kasan_check_read+0x11/0x20 [ 367.954905] ? ___ratelimit+0x36f/0x655 [ 367.958889] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.964350] ? trace_hardirqs_on+0x310/0x310 [ 367.968769] ? lock_downgrade+0x900/0x900 [ 367.972934] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 367.978056] ? ___ratelimit+0xaa/0x655 [ 367.981962] ? idr_get_free+0xec0/0xec0 [ 367.985942] ? kasan_check_write+0x14/0x20 [ 367.990195] ? do_raw_spin_lock+0xc1/0x200 [ 367.994444] oom_kill_process.cold.27+0x10/0x903 [ 367.999216] ? graph_lock+0x170/0x170 [ 368.003024] ? _raw_spin_unlock+0x2c/0x50 [ 368.007179] ? oom_badness+0xe6/0xaa0 [ 368.010996] ? oom_evaluate_task+0x540/0x540 [ 368.015412] ? find_held_lock+0x36/0x1c0 [ 368.019489] ? out_of_memory+0x974/0x14c0 [ 368.023644] ? lock_downgrade+0x900/0x900 [ 368.027795] ? check_preemption_disabled+0x48/0x200 [ 368.032837] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 368.038642] ? kasan_check_read+0x11/0x20 [ 368.042803] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.048098] ? rcu_bh_qs+0xc0/0xc0 [ 368.051650] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 368.056673] ? oom_evaluate_task+0x302/0x540 [ 368.061097] out_of_memory+0xa86/0x14c0 [ 368.065091] ? oom_killer_disable+0x3a0/0x3a0 [ 368.069607] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 368.074564] ? __mutex_add_waiter+0x2a0/0x2a0 [ 368.079090] __alloc_pages_slowpath+0x2318/0x2d80 [ 368.083995] ? warn_alloc+0x120/0x120 [ 368.087829] ? find_get_entry+0x2f2/0xc40 [ 368.092011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.097580] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 368.102537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.108200] ? should_fail+0x22d/0xd01 [ 368.112134] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.117276] ? __lock_is_held+0xb5/0x140 [ 368.121400] ? __lock_is_held+0xb5/0x140 [ 368.125507] ? find_held_lock+0x36/0x1c0 [ 368.129609] ? ___might_sleep+0x1ed/0x300 [ 368.133784] ? lock_release+0x970/0x970 [ 368.137792] ? arch_local_save_flags+0x40/0x40 [ 368.142418] ? __might_sleep+0x95/0x190 [ 368.146438] __alloc_pages_nodemask+0xa80/0xde0 [ 368.152026] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 368.157091] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 368.162918] ? kasan_check_read+0x11/0x20 [ 368.167114] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.172433] ? graph_lock+0x170/0x170 [ 368.176270] ? print_usage_bug+0xc0/0xc0 [ 368.180371] ? graph_lock+0x170/0x170 [ 368.184209] ? graph_lock+0x170/0x170 [ 368.188046] ? __do_page_cache_readahead+0x7ce/0x980 [ 368.193198] ? find_held_lock+0x36/0x1c0 [ 368.197308] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 368.202886] alloc_pages_current+0x10c/0x210 [ 368.207342] ? lock_downgrade+0x900/0x900 [ 368.211511] __page_cache_alloc+0x38f/0x5b0 [ 368.215866] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 368.221689] ? kasan_check_read+0x11/0x20 [ 368.225864] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.231168] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 368.235874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.241444] ? check_preemption_disabled+0x48/0x200 [ 368.246509] filemap_fault+0x1594/0x25f0 [ 368.250626] ? __lock_page_or_retry+0xa00/0xa00 [ 368.255330] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 368.261154] ? kasan_check_read+0x11/0x20 [ 368.265326] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.270616] ? rcu_bh_qs+0xc0/0xc0 [ 368.274177] ? filemap_map_pages+0xdea/0x1980 [ 368.278686] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 368.283804] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 368.289090] ? debug_object_free+0x325/0x690 [ 368.293513] ? find_get_pages_range_tag+0x1320/0x1320 [ 368.298729] ? graph_lock+0x170/0x170 [ 368.302551] ? kasan_check_read+0x11/0x20 [ 368.306711] ? debug_object_destroy+0x2b0/0x2b0 [ 368.311396] ? lock_acquire+0x1ed/0x520 [ 368.315374] ? ext4_filemap_fault+0x7a/0xad [ 368.319705] ? lock_release+0x970/0x970 [ 368.323684] ? arch_local_save_flags+0x40/0x40 [ 368.328280] ? futex_wait_setup+0x3e0/0x3e0 [ 368.332624] ? down_read+0xb0/0x1d0 [ 368.336255] ? ext4_filemap_fault+0x7a/0xad [ 368.340603] ? __down_interruptible+0x700/0x700 [ 368.345306] ext4_filemap_fault+0x82/0xad [ 368.349475] __do_fault+0x100/0x6b0 [ 368.353119] ? print_bad_pte+0x6c0/0x6c0 [ 368.357194] ? do_futex+0x249/0x26d0 [ 368.360918] ? kasan_check_read+0x11/0x20 [ 368.365076] ? pmd_val+0x88/0x100 [ 368.368537] ? add_mm_counter_fast+0xd0/0xd0 [ 368.372965] ? pmd_val+0x88/0x100 [ 368.376424] ? add_mm_counter_fast+0xd0/0xd0 [ 368.380842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.386407] __handle_mm_fault+0x3709/0x53e0 [ 368.390836] ? perf_trace_lock+0x14d/0x7a0 [ 368.395106] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 368.399971] ? graph_lock+0x170/0x170 [ 368.403795] ? print_usage_bug+0xc0/0xc0 [ 368.407879] ? graph_lock+0x170/0x170 [ 368.411686] ? graph_lock+0x170/0x170 [ 368.415516] ? handle_mm_fault+0x42a/0xc70 [ 368.419756] ? lock_downgrade+0x900/0x900 [ 368.423902] ? check_preemption_disabled+0x48/0x200 [ 368.428931] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 368.434741] ? kasan_check_read+0x11/0x20 [ 368.438897] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.444184] ? rcu_bh_qs+0xc0/0xc0 [ 368.447729] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.453185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.458724] ? check_preemption_disabled+0x48/0x200 [ 368.463757] handle_mm_fault+0x54f/0xc70 [ 368.467828] ? __handle_mm_fault+0x53e0/0x53e0 [ 368.472418] ? find_vma+0x34/0x190 [ 368.475973] __do_page_fault+0x67d/0xed0 [ 368.480050] ? mm_fault_error+0x380/0x380 [ 368.484199] ? trace_hardirqs_off+0xb8/0x300 [ 368.488608] ? trace_hardirqs_on+0x310/0x310 [ 368.493023] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 368.498396] ? trace_hardirqs_on+0x310/0x310 [ 368.502813] do_page_fault+0xf2/0x7e0 [ 368.506617] ? vmalloc_sync_all+0x30/0x30 [ 368.510767] ? error_entry+0x70/0xd0 [ 368.514487] ? trace_hardirqs_off_caller+0xbb/0x300 [ 368.519501] ? trace_hardirqs_on_caller+0xc0/0x300 [ 368.524432] ? syscall_return_slowpath+0x5e0/0x5e0 [ 368.529364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.534214] ? trace_hardirqs_off+0x300/0x300 [ 368.538708] ? trace_hardirqs_off_caller+0x300/0x300 [ 368.543820] ? prepare_exit_to_usermode+0x291/0x3b0 [ 368.548844] ? page_fault+0x8/0x30 [ 368.552391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.557240] ? page_fault+0x8/0x30 [ 368.560783] page_fault+0x1e/0x30 [ 368.564237] RIP: 0033:0x45ddf3 [ 368.567434] Code: Bad RIP value. [ 368.570795] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 368.576159] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 368.583423] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 368.590692] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 368.597969] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 368.605237] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 368.612538] warn_alloc_show_mem: 1 callbacks suppressed [ 368.612551] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 368.612553] Mem-Info: [ 368.612586] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 368.612586] active_file:16 inactive_file:17 isolated_file:0 [ 368.612586] unevictable:0 dirty:0 writeback:0 unstable:0 [ 368.612586] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 368.612586] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 368.612586] free:13771 free_pcp:233 free_cma:0 [ 368.617927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.625203] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 368.628007] Call Trace: [ 368.660903] Node 0 [ 368.670256] [ 368.697944] 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 [ 368.700509] dump_stack+0x1c4/0x2b4 [ 368.702715] lowmem_reserve[]: [ 368.704859] ? dump_stack_print_info.cold.2+0x52/0x52 [ 368.730336] 0 2815 [ 368.733991] warn_alloc.cold.118+0xb7/0x1bd [ 368.737059] 6318 [ 368.742238] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.744447] 6318 [ 368.748760] ? lock_downgrade+0x900/0x900 [ 368.755630] ? trace_hardirqs_off+0xb8/0x300 [ 368.757659] Node 0 [ 368.761799] ? trace_hardirqs_off+0xb8/0x300 [ 368.766203] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 368.768415] __alloc_pages_slowpath+0x2667/0x2d80 [ 368.772791] lowmem_reserve[]: [ 368.799544] ? warn_alloc+0x120/0x120 [ 368.804337] 0 [ 368.807440] ? warn_alloc+0x120/0x120 [ 368.811208] 0 [ 368.813004] ? print_usage_bug+0xc0/0xc0 [ 368.816773] 3503 [ 368.818573] ? warn_alloc+0x120/0x120 [ 368.822610] 3503 [ 368.824666] ? print_usage_bug+0xc0/0xc0 [ 368.830497] ? __lock_acquire+0x7ec/0x4ec0 [ 368.834533] Node 0 [ 368.838756] ? __lock_acquire+0x7ec/0x4ec0 [ 368.838793] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 368.840999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.845206] lowmem_reserve[]: [ 368.873589] ? should_fail+0x22d/0xd01 [ 368.879094] 0 [ 368.882197] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.886051] 0 0 [ 368.887856] ? __lock_acquire+0x7ec/0x4ec0 [ 368.892926] 0 [ 368.894900] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.900904] ? __lock_acquire+0x7ec/0x4ec0 [ 368.905981] Node 0 [ 368.910202] ? should_fail+0x22d/0xd01 [ 368.910212] DMA: [ 368.912445] ? mark_held_locks+0x130/0x130 [ 368.916298] 1*4kB [ 368.918351] ? mark_held_locks+0x130/0x130 [ 368.922561] (U) [ 368.924705] ? graph_lock+0x170/0x170 [ 368.928916] 0*8kB [ 368.930900] ? graph_lock+0x170/0x170 [ 368.934676] 0*16kB [ 368.936819] ? graph_lock+0x170/0x170 [ 368.940596] 1*32kB [ 368.942822] ? print_usage_bug+0xc0/0xc0 [ 368.946594] (U) [ 368.948827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.952856] 2*64kB [ 368.954841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.960349] (U) [ 368.962578] ? check_preemption_disabled+0x48/0x200 [ 368.968091] 1*128kB [ 368.970059] ? check_preemption_disabled+0x48/0x200 [ 368.975053] (U) [ 368.977407] ? __lock_is_held+0xb5/0x140 [ 368.982393] 1*256kB [ 368.984368] __alloc_pages_nodemask+0xa80/0xde0 [ 368.988399] (U) [ 368.990712] ? graph_lock+0x170/0x170 [ 368.995354] 0*512kB 1*1024kB [ 368.997335] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 369.001105] (U) [ 369.004198] ? graph_lock+0x170/0x170 [ 369.009195] 1*2048kB [ 369.011171] ? find_held_lock+0x36/0x1c0 [ 369.014937] (M) [ 369.017356] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.021465] 3*4096kB (M) [ 369.023444] ? lock_downgrade+0x900/0x900 [ 369.028086] = 15908kB [ 369.030852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.034973] Node 0 [ 369.037399] cache_grow_begin+0x91/0x8c0 [ 369.042908] DMA32: [ 369.045138] ? do_raw_spin_unlock+0xa7/0x2f0 [ 369.049171] 3*4kB [ 369.051404] fallback_alloc+0x203/0x2e0 [ 369.055783] (M) [ 369.057929] ____cache_alloc_node+0x1c7/0x1e0 [ 369.061875] 2*8kB [ 369.063847] kmem_cache_alloc_node+0xe3/0x730 [ 369.068311] (M) [ 369.070459] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.074923] 2*16kB [ 369.076901] __alloc_skb+0x119/0x770 [ 369.081101] (UM) [ 369.083335] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 369.087015] 1*32kB [ 369.089076] ? skb_scrub_packet+0x490/0x490 [ 369.094330] (M) [ 369.096567] ? lock_downgrade+0x900/0x900 [ 369.100863] 3*64kB [ 369.102855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.106978] (UM) [ 369.109213] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.114740] 3*128kB [ 369.116798] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.122221] (M) [ 369.124543] ? addrconf_rs_timer+0x6f0/0x6f0 [ 369.129995] 2*256kB (M) [ 369.131992] ndisc_alloc_skb+0x144/0x340 [ 369.136369] 3*512kB [ 369.139039] ndisc_send_rs+0x331/0x6e0 [ 369.143070] (M) [ 369.145395] addrconf_rs_timer+0x3c0/0x6f0 [ 369.149252] 4*1024kB [ 369.151226] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.155432] (UM) [ 369.157850] call_timer_fn+0x272/0x920 [ 369.162046] 3*2048kB [ 369.164112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.167989] (M) [ 369.170398] ? process_timeout+0x40/0x40 [ 369.174605] 3*4096kB [ 369.176575] ? find_held_lock+0x36/0x1c0 [ 369.180612] (M) [ 369.183023] ? __run_timers+0x7da/0xc70 [ 369.187057] = 25244kB [ 369.189026] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.192978] Node 0 [ 369.195383] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.199852] Normal: [ 369.202083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.206556] 1139*4kB [ 369.208869] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 369.213077] (MEH) [ 369.215486] ? trace_hardirqs_on+0xbd/0x310 [ 369.220050] 438*8kB (UME) [ 369.222202] ? kasan_check_read+0x11/0x20 [ 369.226503] 175*16kB [ 369.229339] ? __run_timers+0x7da/0xc70 [ 369.233459] (UME) [ 369.235865] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 369.239811] 64*32kB [ 369.241967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.248087] (UMEH) [ 369.250408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.254614] 14*64kB [ 369.256848] __run_timers+0x7e5/0xc70 [ 369.261051] (UM) 1*128kB [ 369.263389] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 369.267152] (H) [ 369.269906] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 369.275242] 0*256kB [ 369.277208] ? graph_lock+0x170/0x170 [ 369.282197] 0*512kB [ 369.284529] ? enqueue_hrtimer+0x1a5/0x560 [ 369.288306] 0*1024kB [ 369.290622] ? lock_release+0x970/0x970 [ 369.294844] 0*2048kB [ 369.297256] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 369.301211] 0*4096kB = 13932kB [ 369.303640] ? find_held_lock+0x36/0x1c0 [ 369.308805] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 369.311988] ? graph_lock+0x170/0x170 [ 369.316031] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 369.324859] ? pvclock_read_flags+0x160/0x160 [ 369.328631] 788 total pagecache pages [ 369.337200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.341692] 0 pages in swap cache [ 369.345476] ? check_preemption_disabled+0x48/0x200 [ 369.350992] Swap cache stats: add 0, delete 0, find 0/0 [ 369.354440] ? __lock_is_held+0xb5/0x140 [ 369.359427] Free swap = 0kB [ 369.364780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.368814] Total swap = 0kB [ 369.371823] ? check_preemption_disabled+0x48/0x200 [ 369.377337] 1965979 pages RAM [ 369.380355] run_timer_softirq+0x52/0xb0 [ 369.385341] 0 pages HighMem/MovableOnly [ 369.388439] ? rcu_read_lock_sched_held+0x108/0x120 [ 369.392478] 343323 pages reserved [ 369.396447] __do_softirq+0x30b/0xad8 [ 369.401450] 0 pages cma reserved [ 369.404906] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 369.409011] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.412032] ? pvclock_read_flags+0x160/0x160 [ 369.417110] syz-fuzzer cpuset= [ 369.427326] ? lapic_next_event+0x5a/0x90 [ 369.431795] / [ 369.434988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.439129] mems_allowed=0 [ 369.441007] ? check_preemption_disabled+0x48/0x200 [ 369.454444] ? check_preemption_disabled+0x48/0x200 [ 369.459469] ? kvm_clock_read+0x18/0x30 [ 369.463444] ? kvm_sched_clock_read+0x9/0x20 [ 369.467854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.473390] ? check_preemption_disabled+0x48/0x200 [ 369.478419] irq_exit+0x17f/0x1c0 [ 369.481880] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.486731] ? smp_reschedule_interrupt+0x109/0x650 [ 369.491750] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.497646] ? interrupt_entry+0xb5/0xf0 [ 369.501709] ? trace_hardirqs_off_caller+0xbb/0x300 [ 369.506724] ? trace_hardirqs_off_caller+0xbb/0x300 [ 369.511743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.516589] ? trace_hardirqs_off+0x300/0x300 [ 369.521082] ? trace_hardirqs_off+0x300/0x300 [ 369.525578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.531113] ? check_preemption_disabled+0x48/0x200 [ 369.536127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.541674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.546529] apic_timer_interrupt+0xf/0x20 [ 369.550758] [ 369.553001] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 369.557937] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 369.576843] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 369.584553] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 369.591820] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 369.599084] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 369.606349] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 369.613616] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 369.620926] skb_clone+0x1bb/0x500 [ 369.624477] ? finish_task_switch+0x2f5/0x900 [ 369.628981] ? skb_split+0x11e0/0x11e0 [ 369.632870] ? preempt_notifier_register+0x200/0x200 [ 369.637982] ? __switch_to_asm+0x34/0x70 [ 369.642055] ? __switch_to_asm+0x34/0x70 [ 369.646117] ? __switch_to_asm+0x40/0x70 [ 369.650179] ? __switch_to_asm+0x34/0x70 [ 369.654238] ? __switch_to_asm+0x40/0x70 [ 369.658297] ? __switch_to_asm+0x34/0x70 [ 369.662356] ? __switch_to_asm+0x40/0x70 [ 369.666417] ? __switch_to_asm+0x34/0x70 [ 369.670477] ? __switch_to_asm+0x34/0x70 [ 369.674538] ? __switch_to_asm+0x40/0x70 [ 369.678597] ? __switch_to_asm+0x34/0x70 [ 369.682669] bpf_clone_redirect+0xb9/0x490 [ 369.686907] ? __schedule+0x874/0x1ed0 [ 369.690804] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 369.695823] ? __sched_text_start+0x8/0x8 [ 369.699982] ? retint_kernel+0x2d/0x2d [ 369.703882] ? find_held_lock+0x36/0x1c0 [ 369.707951] ? lock_acquire+0x1ed/0x520 [ 369.711934] ? bpf_test_run+0x32e/0x5a0 [ 369.715920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.721459] ? check_preemption_disabled+0x48/0x200 [ 369.726483] ? kasan_check_read+0x11/0x20 [ 369.730633] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 369.735912] ? rcu_bh_qs+0xc0/0xc0 [ 369.739458] ? preempt_schedule+0x4d/0x60 [ 369.743610] ? ___preempt_schedule+0x16/0x18 [ 369.748025] ? bpf_test_run+0x1c0/0x5a0 [ 369.752031] ? netlink_diag_dump+0x2a0/0x2a0 [ 369.756449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.761992] ? bpf_test_init.isra.9+0x70/0x100 [ 369.766579] ? bpf_prog_test_run_skb+0x634/0xb40 [ 369.771344] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 369.776187] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.781743] ? fput+0x130/0x1a0 [ 369.785059] ? __bpf_prog_get+0x9b/0x290 [ 369.789128] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 369.793987] ? bpf_prog_test_run+0x130/0x1a0 [ 369.798405] ? __x64_sys_bpf+0x3d8/0x510 [ 369.802467] ? bpf_prog_get+0x20/0x20 [ 369.806280] ? ksys_ioctl+0x81/0xd0 [ 369.809922] ? do_syscall_64+0x1b9/0x820 [ 369.813995] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.819365] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.824300] ? trace_hardirqs_off+0x300/0x300 [ 369.828812] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 369.833829] ? recalc_sigpending_tsk+0x180/0x180 [ 369.838590] ? kasan_check_write+0x14/0x20 [ 369.842835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.847691] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.853084] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 369.853182] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.860032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.860041] Call Trace: [ 369.866631] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.875874] [ 369.878447] syz-executor6 cpuset= [ 369.888928] dump_stack+0x1c4/0x2b4 [ 369.891060] syz6 [ 369.894506] ? dump_stack_print_info.cold.2+0x52/0x52 [ 369.898114] mems_allowed=0 [ 369.900091] warn_alloc.cold.118+0xb7/0x1bd [ 369.912482] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.917336] ? lock_downgrade+0x900/0x900 [ 369.921496] ? trace_hardirqs_off+0xb8/0x300 [ 369.925911] ? trace_hardirqs_off+0xb8/0x300 [ 369.930334] __alloc_pages_slowpath+0x2667/0x2d80 [ 369.935208] ? warn_alloc+0x120/0x120 [ 369.939018] ? warn_alloc+0x120/0x120 [ 369.942829] ? print_usage_bug+0xc0/0xc0 [ 369.946890] ? warn_alloc+0x120/0x120 [ 369.950711] ? print_usage_bug+0xc0/0xc0 [ 369.954771] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 369.959980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.965525] ? should_fail+0x22d/0xd01 [ 369.969427] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.974535] ? __lock_acquire+0x7ec/0x4ec0 [ 369.978785] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.983904] ? __lock_acquire+0x7ec/0x4ec0 [ 369.988139] ? should_fail+0x22d/0xd01 [ 369.992036] ? mark_held_locks+0x130/0x130 [ 369.996275] ? mark_held_locks+0x130/0x130 [ 370.000513] ? graph_lock+0x170/0x170 [ 370.004327] ? graph_lock+0x170/0x170 [ 370.008149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.013697] ? check_preemption_disabled+0x48/0x200 [ 370.019005] ? check_preemption_disabled+0x48/0x200 [ 370.024041] ? __lock_is_held+0xb5/0x140 [ 370.028123] __alloc_pages_nodemask+0xa80/0xde0 [ 370.032797] ? graph_lock+0x170/0x170 [ 370.036603] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 370.041615] ? graph_lock+0x170/0x170 [ 370.045463] ? find_held_lock+0x36/0x1c0 [ 370.049539] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.054217] ? lock_downgrade+0x900/0x900 [ 370.058376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.063921] cache_grow_begin+0x91/0x8c0 [ 370.067992] ? do_raw_spin_unlock+0xa7/0x2f0 [ 370.072413] fallback_alloc+0x203/0x2e0 [ 370.076400] ____cache_alloc_node+0x1c7/0x1e0 [ 370.080905] __kmalloc+0x208/0x760 [ 370.084462] ? __neigh_create+0x30b/0x2130 [ 370.088712] __neigh_create+0x30b/0x2130 [ 370.092781] ? trace_hardirqs_on+0xbd/0x310 [ 370.097110] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 370.102678] ? ip6t_do_table+0xd9e/0x1d30 [ 370.106847] ? mark_held_locks+0x130/0x130 [ 370.111090] ? __local_bh_enable_ip+0x160/0x260 [ 370.115771] ? neigh_hash_alloc+0x1e0/0x1e0 [ 370.120102] ? graph_lock+0x170/0x170 [ 370.123910] ? ip6t_do_table+0xd9e/0x1d30 [ 370.128073] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.133534] ? trace_hardirqs_on+0xbd/0x310 [ 370.137881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.143439] ? ip6t_do_table+0xd6a/0x1d30 [ 370.147605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.153662] ? check_preemption_disabled+0x48/0x200 [ 370.158684] ? check_preemption_disabled+0x48/0x200 [ 370.163722] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 370.169805] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.175104] ? rcu_pm_notify+0xc0/0xc0 [ 370.179003] ? graph_lock+0x170/0x170 [ 370.182813] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 370.188019] ip6_finish_output2+0xa59/0x27a0 [ 370.192445] ? ip6_copy_metadata+0xe30/0xe30 [ 370.196860] ? ip6_mtu+0x39c/0x520 [ 370.200404] ? lock_downgrade+0x900/0x900 [ 370.204558] ? check_preemption_disabled+0x48/0x200 [ 370.209592] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 370.215392] ? kasan_check_read+0x11/0x20 [ 370.219553] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.224853] ? rcu_bh_qs+0xc0/0xc0 [ 370.228411] ? ip6_mtu+0x160/0x520 [ 370.231950] ? dst_hold+0x2f0/0x2f0 [ 370.235586] ? kasan_check_read+0x11/0x20 [ 370.239738] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.245024] ? nf_nat_ipv6_out+0x212/0x550 [ 370.249271] ip6_finish_output+0x5fe/0xbc0 [ 370.253510] ? ip6_finish_output+0x5fe/0xbc0 [ 370.257929] ip6_output+0x23e/0xa00 [ 370.261573] ? check_preemption_disabled+0x48/0x200 [ 370.266593] ? ip6_finish_output+0xbc0/0xbc0 [ 370.271011] ? ip6_fragment+0x38c0/0x38c0 [ 370.275166] ? __lock_is_held+0xb5/0x140 [ 370.279250] ndisc_send_skb+0x1005/0x1570 [ 370.283414] ? ndisc_constructor+0xc40/0xc40 [ 370.287834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.293376] ? refcount_sub_and_test_checked+0x203/0x310 [ 370.298837] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 370.304311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.309859] ndisc_send_rs+0x134/0x6e0 [ 370.313757] addrconf_rs_timer+0x3c0/0x6f0 [ 370.318006] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.322259] call_timer_fn+0x272/0x920 [ 370.326156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.330399] ? process_timeout+0x40/0x40 [ 370.334465] ? find_held_lock+0x36/0x1c0 [ 370.338538] ? mark_held_locks+0xc7/0x130 [ 370.342696] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.347197] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.351695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.355935] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 370.360531] ? trace_hardirqs_on+0xbd/0x310 [ 370.364856] ? kasan_check_read+0x11/0x20 [ 370.369011] ? __run_timers+0x7da/0xc70 [ 370.373000] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.378466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.382714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.386964] __run_timers+0x7e5/0xc70 [ 370.390788] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 370.396161] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.401471] ? rcu_bh_qs+0xc0/0xc0 [ 370.405037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.410597] ? mark_held_locks+0xc7/0x130 [ 370.414759] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 370.419528] ? retint_kernel+0x2d/0x2d [ 370.423426] ? trace_hardirqs_on_caller+0xc0/0x300 [ 370.428366] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 370.433132] ? trace_hardirqs_off_caller+0x300/0x300 [ 370.438245] ? check_preemption_disabled+0x48/0x200 [ 370.443276] ? graph_lock+0x170/0x170 [ 370.447092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.452636] ? check_preemption_disabled+0x48/0x200 [ 370.457669] ? __lock_is_held+0xb5/0x140 [ 370.461735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.467272] ? check_preemption_disabled+0x48/0x200 [ 370.472306] run_timer_softirq+0x52/0xb0 [ 370.476380] ? rcu_read_lock_sched_held+0x108/0x120 [ 370.481417] __do_softirq+0x30b/0xad8 [ 370.485248] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 370.490377] ? pvclock_read_flags+0x160/0x160 [ 370.494890] ? lapic_next_event+0x5a/0x90 [ 370.499050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.504590] ? check_preemption_disabled+0x48/0x200 [ 370.509603] ? check_preemption_disabled+0x48/0x200 [ 370.514629] ? kvm_clock_read+0x18/0x30 [ 370.518606] ? kvm_sched_clock_read+0x9/0x20 [ 370.523023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.528566] ? check_preemption_disabled+0x48/0x200 [ 370.533600] irq_exit+0x17f/0x1c0 [ 370.537063] smp_apic_timer_interrupt+0x1cb/0x760 [ 370.541909] ? smp_call_function_single_interrupt+0x650/0x650 [ 370.547800] ? interrupt_entry+0xb5/0xf0 [ 370.551886] ? trace_hardirqs_off_caller+0xbb/0x300 [ 370.556904] ? trace_hardirqs_off_caller+0xbb/0x300 [ 370.561923] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.566775] ? trace_hardirqs_off+0x300/0x300 [ 370.571272] ? trace_hardirqs_off+0x300/0x300 [ 370.575773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.581313] ? check_preemption_disabled+0x48/0x200 [ 370.586331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.591877] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.596731] apic_timer_interrupt+0xf/0x20 [ 370.600965] [ 370.603326] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 370.608611] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 370.627532] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 370.635265] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 370.642537] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 370.649816] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 370.657174] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 370.664442] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 370.671757] ? arch_local_irq_restore+0x45/0x52 [ 370.676448] dump_stack+0x26a/0x2b4 [ 370.680079] ? dump_stack_print_info.cold.2+0x52/0x52 [ 370.685279] ? mark_held_locks+0x130/0x130 [ 370.689786] ? mark_held_locks+0x130/0x130 [ 370.694027] dump_header+0x27b/0xf72 [ 370.697754] ? pagefault_out_of_memory+0x197/0x197 [ 370.702688] ? mark_held_locks+0x130/0x130 [ 370.706925] ? __lock_acquire+0x7ec/0x4ec0 [ 370.711171] ? mem_cgroup_charge_statistics+0x780/0x780 [ 370.716539] ? print_usage_bug+0xc0/0xc0 [ 370.720605] ? print_usage_bug+0xc0/0xc0 [ 370.724672] ? graph_lock+0x170/0x170 [ 370.728473] ? graph_lock+0x170/0x170 [ 370.732273] ? print_usage_bug+0xc0/0xc0 [ 370.736333] ? print_usage_bug+0xc0/0xc0 [ 370.740408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.745952] ? find_held_lock+0x36/0x1c0 [ 370.750051] ? mark_held_locks+0xc7/0x130 [ 370.754206] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.759311] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.764416] ? lockdep_hardirqs_on+0x421/0x5c0 [ 370.769016] ? trace_hardirqs_on+0xbd/0x310 [ 370.773339] ? kasan_check_read+0x11/0x20 [ 370.777489] ? ___ratelimit+0x36f/0x655 [ 370.781468] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.786923] ? trace_hardirqs_on+0x310/0x310 [ 370.791344] ? lock_downgrade+0x900/0x900 [ 370.795503] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.800633] ? ___ratelimit+0xaa/0x655 [ 370.804562] ? idr_get_free+0xec0/0xec0 [ 370.808570] ? kasan_check_write+0x14/0x20 [ 370.812822] ? do_raw_spin_lock+0xc1/0x200 [ 370.817081] oom_kill_process.cold.27+0x10/0x903 [ 370.821856] ? graph_lock+0x170/0x170 [ 370.825665] ? _raw_spin_unlock+0x2c/0x50 [ 370.829831] ? oom_badness+0xe6/0xaa0 [ 370.833654] ? oom_evaluate_task+0x540/0x540 [ 370.838084] ? find_held_lock+0x36/0x1c0 [ 370.842164] ? out_of_memory+0x974/0x14c0 [ 370.846318] ? lock_downgrade+0x900/0x900 [ 370.850469] ? check_preemption_disabled+0x48/0x200 [ 370.855495] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 370.861317] ? kasan_check_read+0x11/0x20 [ 370.865472] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.870758] ? rcu_bh_qs+0xc0/0xc0 [ 370.874303] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 370.879322] ? oom_evaluate_task+0x302/0x540 [ 370.883735] out_of_memory+0xa86/0x14c0 [ 370.887719] ? oom_killer_disable+0x3a0/0x3a0 [ 370.892214] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 370.897149] ? __mutex_add_waiter+0x2a0/0x2a0 [ 370.901657] __alloc_pages_slowpath+0x2318/0x2d80 [ 370.906531] ? warn_alloc+0x120/0x120 [ 370.910360] ? find_get_entry+0x2f2/0xc40 [ 370.914522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.920077] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 370.925008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.930555] ? should_fail+0x22d/0xd01 [ 370.934451] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.939562] ? __lock_is_held+0xb5/0x140 [ 370.943649] ? __lock_is_held+0xb5/0x140 [ 370.947722] ? find_held_lock+0x36/0x1c0 [ 370.951787] ? ___might_sleep+0x1ed/0x300 [ 370.955935] ? lock_release+0x970/0x970 [ 370.959918] ? arch_local_save_flags+0x40/0x40 [ 370.964515] ? __might_sleep+0x95/0x190 [ 370.968512] __alloc_pages_nodemask+0xa80/0xde0 [ 370.973192] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 370.978217] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 370.984027] ? kasan_check_read+0x11/0x20 [ 370.988180] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.993461] ? graph_lock+0x170/0x170 [ 370.997264] ? print_usage_bug+0xc0/0xc0 [ 371.001330] ? graph_lock+0x170/0x170 [ 371.005139] ? graph_lock+0x170/0x170 [ 371.008946] ? __do_page_cache_readahead+0x7ce/0x980 [ 371.014069] ? find_held_lock+0x36/0x1c0 [ 371.018136] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 371.023680] alloc_pages_current+0x10c/0x210 [ 371.028095] ? lock_downgrade+0x900/0x900 [ 371.032253] __page_cache_alloc+0x38f/0x5b0 [ 371.036585] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 371.042384] ? kasan_check_read+0x11/0x20 [ 371.046536] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.051823] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 371.056497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.062033] ? check_preemption_disabled+0x48/0x200 [ 371.067062] filemap_fault+0x1594/0x25f0 [ 371.071141] ? __lock_page_or_retry+0xa00/0xa00 [ 371.075813] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 371.081607] ? kasan_check_read+0x11/0x20 [ 371.085756] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.091037] ? rcu_bh_qs+0xc0/0xc0 [ 371.094600] ? filemap_map_pages+0xdea/0x1980 [ 371.099106] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 371.104218] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 371.109666] ? debug_object_free+0x325/0x690 [ 371.114081] ? find_get_pages_range_tag+0x1320/0x1320 [ 371.119280] ? graph_lock+0x170/0x170 [ 371.123087] ? kasan_check_read+0x11/0x20 [ 371.127240] ? debug_object_destroy+0x2b0/0x2b0 [ 371.131922] ? lock_acquire+0x1ed/0x520 [ 371.135896] ? ext4_filemap_fault+0x7a/0xad [ 371.140226] ? lock_release+0x970/0x970 [ 371.144205] ? arch_local_save_flags+0x40/0x40 [ 371.149313] ? futex_wait_setup+0x3e0/0x3e0 [ 371.153650] ? down_read+0xb0/0x1d0 [ 371.157281] ? ext4_filemap_fault+0x7a/0xad [ 371.161602] ? __down_interruptible+0x700/0x700 [ 371.166294] ext4_filemap_fault+0x82/0xad [ 371.170448] __do_fault+0x100/0x6b0 [ 371.174083] ? print_bad_pte+0x6c0/0x6c0 [ 371.178145] ? do_futex+0x249/0x26d0 [ 371.181860] ? kasan_check_read+0x11/0x20 [ 371.186009] ? pmd_val+0x88/0x100 [ 371.189464] ? add_mm_counter_fast+0xd0/0xd0 [ 371.193889] ? pmd_val+0x88/0x100 [ 371.197343] ? add_mm_counter_fast+0xd0/0xd0 [ 371.201755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.207300] __handle_mm_fault+0x3709/0x53e0 [ 371.211724] ? perf_trace_lock+0x14d/0x7a0 [ 371.215974] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 371.220818] ? graph_lock+0x170/0x170 [ 371.224618] ? print_usage_bug+0xc0/0xc0 [ 371.228698] ? graph_lock+0x170/0x170 [ 371.232499] ? graph_lock+0x170/0x170 [ 371.236319] ? handle_mm_fault+0x42a/0xc70 [ 371.240563] ? lock_downgrade+0x900/0x900 [ 371.244713] ? check_preemption_disabled+0x48/0x200 [ 371.249737] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 371.255555] ? kasan_check_read+0x11/0x20 [ 371.259722] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.265005] ? rcu_bh_qs+0xc0/0xc0 [ 371.268554] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 371.274010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.279552] ? check_preemption_disabled+0x48/0x200 [ 371.284621] handle_mm_fault+0x54f/0xc70 [ 371.288696] ? __handle_mm_fault+0x53e0/0x53e0 [ 371.293285] ? find_vma+0x34/0x190 [ 371.296852] __do_page_fault+0x67d/0xed0 [ 371.300934] ? mm_fault_error+0x380/0x380 [ 371.305096] ? trace_hardirqs_off+0xb8/0x300 [ 371.309519] ? trace_hardirqs_on+0x310/0x310 [ 371.313934] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.319307] ? trace_hardirqs_on+0x310/0x310 [ 371.323722] do_page_fault+0xf2/0x7e0 [ 371.327528] ? vmalloc_sync_all+0x30/0x30 [ 371.331680] ? error_entry+0x70/0xd0 [ 371.335482] ? trace_hardirqs_off_caller+0xbb/0x300 [ 371.342148] ? trace_hardirqs_on_caller+0xc0/0x300 [ 371.347080] ? syscall_return_slowpath+0x5e0/0x5e0 [ 371.352029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.356879] ? trace_hardirqs_off+0x300/0x300 [ 371.361374] ? trace_hardirqs_off_caller+0x300/0x300 [ 371.366485] ? prepare_exit_to_usermode+0x291/0x3b0 [ 371.371505] ? page_fault+0x8/0x30 [ 371.375049] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.379905] ? page_fault+0x8/0x30 [ 371.383455] page_fault+0x1e/0x30 [ 371.386911] RIP: 0033:0x45ddf3 [ 371.390287] Code: Bad RIP value. [ 371.393648] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 371.399012] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 371.406282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 371.413569] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 371.420852] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 371.428130] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 371.435440] warn_alloc_show_mem: 1 callbacks suppressed [ 371.435453] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 371.435456] Mem-Info: [ 371.435489] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 371.435489] active_file:16 inactive_file:17 isolated_file:0 [ 371.435489] unevictable:0 dirty:0 writeback:0 unstable:0 [ 371.435489] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 371.435489] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 371.435489] free:13771 free_pcp:233 free_cma:0 [ 371.440833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.440842] Call Trace: [ 371.448129] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 371.450530] [ 371.483420] Node 0 [ 371.492790] dump_stack+0x1c4/0x2b4 [ 371.495367] 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 [ 371.523023] ? dump_stack_print_info.cold.2+0x52/0x52 [ 371.525149] lowmem_reserve[]: [ 371.527394] warn_alloc.cold.118+0xb7/0x1bd [ 371.530989] 0 [ 371.556504] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.561659] 2815 6318 [ 371.564770] ? lock_downgrade+0x900/0x900 [ 371.569064] 6318 [ 371.570866] ? trace_hardirqs_off+0xb8/0x300 [ 371.578172] ? trace_hardirqs_off+0xb8/0x300 [ 371.582294] Node 0 [ 371.584361] __alloc_pages_slowpath+0x2667/0x2d80 [ 371.588770] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 371.593182] ? warn_alloc+0x120/0x120 [ 371.595380] lowmem_reserve[]: [ 371.600219] ? trace_hardirqs_on+0x310/0x310 [ 371.626927] 0 [ 371.630733] ? warn_alloc+0x120/0x120 [ 371.633826] 0 [ 371.638237] ? print_usage_bug+0xc0/0xc0 [ 371.640009] 3503 [ 371.643814] ? warn_alloc+0x120/0x120 [ 371.645594] 3503 [ 371.649651] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 371.655480] ? print_usage_bug+0xc0/0xc0 [ 371.657517] Node 0 [ 371.662525] ? __lock_acquire+0x7ec/0x4ec0 [ 371.666593] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 371.668799] ? __lock_acquire+0x7ec/0x4ec0 [ 371.673006] lowmem_reserve[]: [ 371.701374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.705578] 0 [ 371.708681] ? should_fail+0x22d/0xd01 [ 371.714188] 0 [ 371.715992] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.719870] 0 [ 371.721671] ? __lock_acquire+0x7ec/0x4ec0 [ 371.726750] 0 [ 371.728549] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.734563] ? __lock_acquire+0x7ec/0x4ec0 [ 371.739656] Node 0 [ 371.743883] ? should_fail+0x22d/0xd01 [ 371.743893] DMA: [ 371.746122] ? print_usage_bug+0xc0/0xc0 [ 371.749989] 1*4kB [ 371.752054] ? mark_held_locks+0x130/0x130 [ 371.756081] (U) [ 371.758226] ? mark_held_locks+0x130/0x130 [ 371.762434] 0*8kB [ 371.764409] ? graph_lock+0x170/0x170 [ 371.768612] 0*16kB [ 371.770755] ? print_usage_bug+0xc0/0xc0 [ 371.774529] 1*32kB [ 371.776767] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 371.780808] (U) [ 371.783063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.787785] 2*64kB [ 371.789757] ? check_preemption_disabled+0x48/0x200 [ 371.795268] (U) [ 371.797495] ? check_preemption_disabled+0x48/0x200 [ 371.802485] 1*128kB [ 371.804458] ? __lock_is_held+0xb5/0x140 [ 371.809438] (U) [ 371.811757] __alloc_pages_nodemask+0xa80/0xde0 [ 371.815791] 1*256kB [ 371.817755] ? graph_lock+0x170/0x170 [ 371.822397] (U) [ 371.824711] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 371.828484] 0*512kB [ 371.830452] ? graph_lock+0x170/0x170 [ 371.835445] 1*1024kB [ 371.837765] ? find_held_lock+0x36/0x1c0 [ 371.841533] (U) [ 371.843942] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.847976] 1*2048kB [ 371.849942] ? lock_downgrade+0x900/0x900 [ 371.854582] (M) [ 371.856998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.861112] 3*4096kB [ 371.863089] cache_grow_begin+0x91/0x8c0 [ 371.868592] (M) [ 371.870999] ? do_raw_spin_unlock+0xa7/0x2f0 [ 371.875031] = 15908kB [ 371.877007] fallback_alloc+0x203/0x2e0 [ 371.881385] Node 0 [ 371.883789] ____cache_alloc_node+0x1c7/0x1e0 [ 371.887737] DMA32: [ 371.889977] kmem_cache_alloc_node+0xe3/0x730 [ 371.894446] 3*4kB [ 371.896676] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.901139] (M) [ 371.903292] __alloc_skb+0x119/0x770 [ 371.907495] 2*8kB [ 371.909466] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.913145] (M) [ 371.915287] ? skb_scrub_packet+0x490/0x490 [ 371.920537] 2*16kB [ 371.922504] ? lock_downgrade+0x900/0x900 [ 371.926798] (UM) [ 371.929033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.933151] 1*32kB [ 371.935208] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.940711] (M) [ 371.942940] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.948364] 3*64kB [ 371.950337] ? addrconf_rs_timer+0x6f0/0x6f0 [ 371.955756] (UM) [ 371.957999] ndisc_alloc_skb+0x144/0x340 [ 371.962369] 3*128kB [ 371.964428] ndisc_send_rs+0x331/0x6e0 [ 371.968457] (M) [ 371.970777] addrconf_rs_timer+0x3c0/0x6f0 [ 371.974633] 2*256kB [ 371.976604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.980806] (M) [ 371.983137] call_timer_fn+0x272/0x920 [ 371.987337] 3*512kB [ 371.989303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.993165] (M) [ 371.995485] ? process_timeout+0x40/0x40 [ 371.999691] 4*1024kB [ 372.001661] ? find_held_lock+0x36/0x1c0 [ 372.005693] (UM) [ 372.008100] ? __run_timers+0x7da/0xc70 [ 372.012135] 3*2048kB [ 372.014194] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.018397] (M) 3*4096kB [ 372.020817] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.025284] (M) [ 372.028038] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.032507] = 25244kB [ 372.034475] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 372.038681] Node 0 [ 372.041083] ? trace_hardirqs_on+0xbd/0x310 [ 372.045635] Normal: [ 372.047860] ? kasan_check_read+0x11/0x20 [ 372.052159] 1139*4kB [ 372.054477] ? __run_timers+0x7da/0xc70 [ 372.058593] (MEH) [ 372.061002] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.064949] 438*8kB [ 372.067108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.072528] (UME) [ 372.074850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.079066] 175*16kB [ 372.081213] __run_timers+0x7e5/0xc70 [ 372.085419] (UME) [ 372.087831] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 372.091593] 64*32kB [ 372.093738] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 372.099074] (UMEH) [ 372.101389] ? graph_lock+0x170/0x170 [ 372.106382] 14*64kB [ 372.108613] ? enqueue_hrtimer+0x1a5/0x560 [ 372.112390] (UM) [ 372.114711] ? lock_release+0x970/0x970 [ 372.118916] 1*128kB [ 372.120977] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 372.124923] (H) [ 372.127244] ? find_held_lock+0x36/0x1c0 [ 372.132403] 0*256kB [ 372.134370] ? graph_lock+0x170/0x170 [ 372.138402] 0*512kB [ 372.140718] ? pvclock_read_flags+0x160/0x160 [ 372.144489] 0*1024kB [ 372.146807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.151738] 0*2048kB 0*4096kB [ 372.154152] ? check_preemption_disabled+0x48/0x200 [ 372.159659] = 13932kB [ 372.162851] ? __lock_is_held+0xb5/0x140 [ 372.167842] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 372.170239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.174276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 372.183097] ? check_preemption_disabled+0x48/0x200 [ 372.188608] 788 total pagecache pages [ 372.197178] run_timer_softirq+0x52/0xb0 [ 372.202168] 0 pages in swap cache [ 372.205950] ? rcu_read_lock_sched_held+0x108/0x120 [ 372.209992] Swap cache stats: add 0, delete 0, find 0/0 [ 372.213438] __do_softirq+0x30b/0xad8 [ 372.218423] Free swap = 0kB [ 372.223784] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 372.227554] Total swap = 0kB [ 372.230567] ? pvclock_read_flags+0x160/0x160 [ 372.235643] 1965979 pages RAM [ 372.238655] ? lapic_next_event+0x5a/0x90 [ 372.243123] 0 pages HighMem/MovableOnly [ 372.246223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.250341] 343323 pages reserved [ 372.254304] ? check_preemption_disabled+0x48/0x200 [ 372.259812] 0 pages cma reserved [ 372.263260] ? check_preemption_disabled+0x48/0x200 [ 372.268615] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 372.271611] ? kvm_clock_read+0x18/0x30 [ 372.276600] syz-fuzzer cpuset= [ 372.286823] ? kvm_sched_clock_read+0x9/0x20 [ 372.290766] / [ 372.293966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.298347] mems_allowed=0 [ 372.300060] ? check_preemption_disabled+0x48/0x200 [ 372.313511] irq_exit+0x17f/0x1c0 [ 372.316979] smp_apic_timer_interrupt+0x1cb/0x760 [ 372.321822] ? smp_reschedule_interrupt+0x109/0x650 [ 372.326842] ? smp_call_function_single_interrupt+0x650/0x650 [ 372.332726] ? interrupt_entry+0xb5/0xf0 [ 372.336792] ? trace_hardirqs_off_caller+0xbb/0x300 [ 372.341810] ? trace_hardirqs_off_caller+0xbb/0x300 [ 372.346827] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.351670] ? trace_hardirqs_off+0x300/0x300 [ 372.356162] ? trace_hardirqs_off+0x300/0x300 [ 372.360661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.366195] ? check_preemption_disabled+0x48/0x200 [ 372.371213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.376761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.381617] apic_timer_interrupt+0xf/0x20 [ 372.385843] [ 372.388086] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 372.393018] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 372.411921] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 372.419634] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 372.426901] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 372.434169] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 372.441437] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 372.448705] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 372.456028] skb_clone+0x1bb/0x500 [ 372.459574] ? finish_task_switch+0x2f5/0x900 [ 372.464072] ? skb_split+0x11e0/0x11e0 [ 372.467970] ? preempt_notifier_register+0x200/0x200 [ 372.473080] ? __switch_to_asm+0x34/0x70 [ 372.477142] ? __switch_to_asm+0x34/0x70 [ 372.481199] ? __switch_to_asm+0x40/0x70 [ 372.485261] ? __switch_to_asm+0x34/0x70 [ 372.489319] ? __switch_to_asm+0x40/0x70 [ 372.493377] ? __switch_to_asm+0x34/0x70 [ 372.497432] ? __switch_to_asm+0x40/0x70 [ 372.501490] ? __switch_to_asm+0x34/0x70 [ 372.505548] ? __switch_to_asm+0x34/0x70 [ 372.509609] ? __switch_to_asm+0x40/0x70 [ 372.513669] ? __switch_to_asm+0x34/0x70 [ 372.517741] bpf_clone_redirect+0xb9/0x490 [ 372.521986] ? __schedule+0x874/0x1ed0 [ 372.525884] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 372.530901] ? __sched_text_start+0x8/0x8 [ 372.535057] ? retint_kernel+0x2d/0x2d [ 372.538954] ? find_held_lock+0x36/0x1c0 [ 372.543030] ? lock_acquire+0x1ed/0x520 [ 372.547013] ? bpf_test_run+0x32e/0x5a0 [ 372.551001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.556536] ? check_preemption_disabled+0x48/0x200 [ 372.561557] ? kasan_check_read+0x11/0x20 [ 372.565707] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 372.570990] ? rcu_bh_qs+0xc0/0xc0 [ 372.574534] ? preempt_schedule+0x4d/0x60 [ 372.578686] ? ___preempt_schedule+0x16/0x18 [ 372.583101] ? bpf_test_run+0x1c0/0x5a0 [ 372.587087] ? netlink_diag_dump+0x2a0/0x2a0 [ 372.591503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.597036] ? bpf_test_init.isra.9+0x70/0x100 [ 372.601629] ? bpf_prog_test_run_skb+0x634/0xb40 [ 372.606391] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 372.611231] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 372.616767] ? fput+0x130/0x1a0 [ 372.620057] ? __bpf_prog_get+0x9b/0x290 [ 372.624125] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 372.628971] ? bpf_prog_test_run+0x130/0x1a0 [ 372.633386] ? __x64_sys_bpf+0x3d8/0x510 [ 372.637448] ? bpf_prog_get+0x20/0x20 [ 372.641254] ? ksys_ioctl+0x81/0xd0 [ 372.644893] ? do_syscall_64+0x1b9/0x820 [ 372.648955] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 372.654329] ? syscall_return_slowpath+0x5e0/0x5e0 [ 372.659264] ? trace_hardirqs_off+0x300/0x300 [ 372.663760] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 372.668779] ? recalc_sigpending_tsk+0x180/0x180 [ 372.673536] ? kasan_check_write+0x14/0x20 [ 372.677776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.682629] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 372.688014] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 372.688121] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 372.694937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.694943] Call Trace: [ 372.694951] [ 372.694977] dump_stack+0x1c4/0x2b4 [ 372.694994] ? dump_stack_print_info.cold.2+0x52/0x52 [ 372.701535] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 372.710823] warn_alloc.cold.118+0xb7/0x1bd [ 372.713373] syz-executor6 cpuset= [ 372.715519] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 372.719125] syz6 [ 372.724308] ? lock_downgrade+0x900/0x900 [ 372.734765] mems_allowed=0 [ 372.739090] ? trace_hardirqs_off+0xb8/0x300 [ 372.760735] ? trace_hardirqs_off+0xb8/0x300 [ 372.765162] __alloc_pages_slowpath+0x2667/0x2d80 [ 372.770038] ? warn_alloc+0x120/0x120 [ 372.773846] ? warn_alloc+0x120/0x120 [ 372.777647] ? print_usage_bug+0xc0/0xc0 [ 372.781706] ? warn_alloc+0x120/0x120 [ 372.785505] ? print_usage_bug+0xc0/0xc0 [ 372.789582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.795122] ? should_fail+0x22d/0xd01 [ 372.799012] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.804115] ? __lock_acquire+0x7ec/0x4ec0 [ 372.808355] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.813457] ? __lock_acquire+0x7ec/0x4ec0 [ 372.817688] ? should_fail+0x22d/0xd01 [ 372.821594] ? mark_held_locks+0x130/0x130 [ 372.825832] ? mark_held_locks+0x130/0x130 [ 372.830066] ? graph_lock+0x170/0x170 [ 372.833871] ? graph_lock+0x170/0x170 [ 372.837676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.843215] ? check_preemption_disabled+0x48/0x200 [ 372.848230] ? check_preemption_disabled+0x48/0x200 [ 372.853261] ? __lock_is_held+0xb5/0x140 [ 372.857334] __alloc_pages_nodemask+0xa80/0xde0 [ 372.862005] ? graph_lock+0x170/0x170 [ 372.865810] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 372.870822] ? graph_lock+0x170/0x170 [ 372.874632] ? find_held_lock+0x36/0x1c0 [ 372.878705] ? ____cache_alloc_node+0x1c7/0x1e0 [ 372.883376] ? lock_downgrade+0x900/0x900 [ 372.887535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.893081] cache_grow_begin+0x91/0x8c0 [ 372.897144] ? do_raw_spin_unlock+0xa7/0x2f0 [ 372.901566] fallback_alloc+0x203/0x2e0 [ 372.905553] ____cache_alloc_node+0x1c7/0x1e0 [ 372.910055] __kmalloc+0x208/0x760 [ 372.913602] ? __neigh_create+0x30b/0x2130 [ 372.917843] __neigh_create+0x30b/0x2130 [ 372.921904] ? trace_hardirqs_on+0xbd/0x310 [ 372.926229] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 372.931784] ? ip6t_do_table+0xd9e/0x1d30 [ 372.935956] ? mark_held_locks+0x130/0x130 [ 372.940204] ? __local_bh_enable_ip+0x160/0x260 [ 372.944885] ? neigh_hash_alloc+0x1e0/0x1e0 [ 372.949214] ? graph_lock+0x170/0x170 [ 372.953023] ? ip6t_do_table+0xd9e/0x1d30 [ 372.957183] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.962641] ? trace_hardirqs_on+0xbd/0x310 [ 372.966983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.972527] ? ip6t_do_table+0xd6a/0x1d30 [ 372.976691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.982252] ? check_preemption_disabled+0x48/0x200 [ 372.987268] ? check_preemption_disabled+0x48/0x200 [ 372.992318] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 372.997856] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.003137] ? rcu_pm_notify+0xc0/0xc0 [ 373.007026] ? graph_lock+0x170/0x170 [ 373.010829] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 373.016030] ip6_finish_output2+0xa59/0x27a0 [ 373.020452] ? ip6_copy_metadata+0xe30/0xe30 [ 373.024862] ? ip6_mtu+0x39c/0x520 [ 373.028407] ? lock_downgrade+0x900/0x900 [ 373.032568] ? check_preemption_disabled+0x48/0x200 [ 373.037606] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 373.043415] ? kasan_check_read+0x11/0x20 [ 373.047581] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.052866] ? rcu_bh_qs+0xc0/0xc0 [ 373.056425] ? ip6_mtu+0x160/0x520 [ 373.059973] ? dst_hold+0x2f0/0x2f0 [ 373.063602] ? kasan_check_read+0x11/0x20 [ 373.067755] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.073036] ? nf_nat_ipv6_out+0x212/0x550 [ 373.077295] ip6_finish_output+0x5fe/0xbc0 [ 373.081532] ? ip6_finish_output+0x5fe/0xbc0 [ 373.085953] ip6_output+0x23e/0xa00 [ 373.089592] ? check_preemption_disabled+0x48/0x200 [ 373.094617] ? ip6_finish_output+0xbc0/0xbc0 [ 373.099037] ? ip6_fragment+0x38c0/0x38c0 [ 373.103191] ? __lock_is_held+0xb5/0x140 [ 373.107271] ndisc_send_skb+0x1005/0x1570 [ 373.111436] ? ndisc_constructor+0xc40/0xc40 [ 373.115858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.121407] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.126872] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.132344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.137898] ndisc_send_rs+0x134/0x6e0 [ 373.141807] addrconf_rs_timer+0x3c0/0x6f0 [ 373.146052] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.150797] call_timer_fn+0x272/0x920 [ 373.154688] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.158980] ? process_timeout+0x40/0x40 [ 373.163061] ? find_held_lock+0x36/0x1c0 [ 373.167152] ? mark_held_locks+0xc7/0x130 [ 373.171324] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.175832] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.180331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.184575] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 373.189164] ? trace_hardirqs_on+0xbd/0x310 [ 373.193487] ? kasan_check_read+0x11/0x20 [ 373.197637] ? __run_timers+0x7da/0xc70 [ 373.201619] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.207078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.211324] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.215566] __run_timers+0x7e5/0xc70 [ 373.219382] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 373.224749] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.230027] ? rcu_bh_qs+0xc0/0xc0 [ 373.233576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.239119] ? mark_held_locks+0xc7/0x130 [ 373.243272] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 373.248036] ? retint_kernel+0x2d/0x2d [ 373.251928] ? trace_hardirqs_on_caller+0xc0/0x300 [ 373.256871] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 373.261636] ? trace_hardirqs_off_caller+0x300/0x300 [ 373.266753] ? check_preemption_disabled+0x48/0x200 [ 373.271781] ? graph_lock+0x170/0x170 [ 373.275589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.281138] ? check_preemption_disabled+0x48/0x200 [ 373.286173] ? __lock_is_held+0xb5/0x140 [ 373.290238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.295776] ? check_preemption_disabled+0x48/0x200 [ 373.300802] run_timer_softirq+0x52/0xb0 [ 373.304869] ? rcu_read_lock_sched_held+0x108/0x120 [ 373.309893] __do_softirq+0x30b/0xad8 [ 373.313707] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 373.318817] ? pvclock_read_flags+0x160/0x160 [ 373.323311] ? lapic_next_event+0x5a/0x90 [ 373.327463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.333000] ? check_preemption_disabled+0x48/0x200 [ 373.338015] ? check_preemption_disabled+0x48/0x200 [ 373.343038] ? kvm_clock_read+0x18/0x30 [ 373.347016] ? kvm_sched_clock_read+0x9/0x20 [ 373.351428] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.356973] ? check_preemption_disabled+0x48/0x200 [ 373.362007] irq_exit+0x17f/0x1c0 [ 373.365463] smp_apic_timer_interrupt+0x1cb/0x760 [ 373.370309] ? smp_call_function_single_interrupt+0x650/0x650 [ 373.376194] ? interrupt_entry+0xb5/0xf0 [ 373.380259] ? trace_hardirqs_off_caller+0xbb/0x300 [ 373.385273] ? trace_hardirqs_off_caller+0xbb/0x300 [ 373.390293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.395134] ? trace_hardirqs_off+0x300/0x300 [ 373.399625] ? trace_hardirqs_off+0x300/0x300 [ 373.404124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.409661] ? check_preemption_disabled+0x48/0x200 [ 373.414677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.420223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.425084] apic_timer_interrupt+0xf/0x20 [ 373.429309] [ 373.431545] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 373.436830] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 373.455726] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 373.463434] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 373.470697] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 373.477969] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 373.485238] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 373.492504] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 373.499798] ? arch_local_irq_restore+0x45/0x52 [ 373.504474] dump_stack+0x26a/0x2b4 [ 373.508102] ? dump_stack_print_info.cold.2+0x52/0x52 [ 373.513297] ? mark_held_locks+0x130/0x130 [ 373.517531] ? mark_held_locks+0x130/0x130 [ 373.521776] dump_header+0x27b/0xf72 [ 373.525501] ? pagefault_out_of_memory+0x197/0x197 [ 373.530432] ? mark_held_locks+0x130/0x130 [ 373.534664] ? __lock_acquire+0x7ec/0x4ec0 [ 373.538903] ? mem_cgroup_charge_statistics+0x780/0x780 [ 373.544264] ? print_usage_bug+0xc0/0xc0 [ 373.548326] ? print_usage_bug+0xc0/0xc0 [ 373.552397] ? graph_lock+0x170/0x170 [ 373.556196] ? graph_lock+0x170/0x170 [ 373.559999] ? print_usage_bug+0xc0/0xc0 [ 373.564058] ? print_usage_bug+0xc0/0xc0 [ 373.568128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.573673] ? find_held_lock+0x36/0x1c0 [ 373.577739] ? mark_held_locks+0xc7/0x130 [ 373.581895] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 373.586999] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 373.592104] ? lockdep_hardirqs_on+0x421/0x5c0 [ 373.596692] ? trace_hardirqs_on+0xbd/0x310 [ 373.601013] ? kasan_check_read+0x11/0x20 [ 373.605161] ? ___ratelimit+0x36f/0x655 [ 373.609139] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.614587] ? trace_hardirqs_on+0x310/0x310 [ 373.618996] ? lock_downgrade+0x900/0x900 [ 373.623151] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 373.628257] ? ___ratelimit+0xaa/0x655 [ 373.632146] ? idr_get_free+0xec0/0xec0 [ 373.636118] ? kasan_check_write+0x14/0x20 [ 373.640351] ? do_raw_spin_lock+0xc1/0x200 [ 373.644601] oom_kill_process.cold.27+0x10/0x903 [ 373.649359] ? graph_lock+0x170/0x170 [ 373.653162] ? _raw_spin_unlock+0x2c/0x50 [ 373.657306] ? oom_badness+0xe6/0xaa0 [ 373.661111] ? oom_evaluate_task+0x540/0x540 [ 373.665525] ? find_held_lock+0x36/0x1c0 [ 373.669594] ? out_of_memory+0x974/0x14c0 [ 373.673744] ? lock_downgrade+0x900/0x900 [ 373.677894] ? check_preemption_disabled+0x48/0x200 [ 373.682921] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 373.688714] ? kasan_check_read+0x11/0x20 [ 373.692863] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.698143] ? rcu_bh_qs+0xc0/0xc0 [ 373.701688] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 373.706699] ? oom_evaluate_task+0x302/0x540 [ 373.711110] out_of_memory+0xa86/0x14c0 [ 373.715097] ? oom_killer_disable+0x3a0/0x3a0 [ 373.719593] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 373.724522] ? __mutex_add_waiter+0x2a0/0x2a0 [ 373.729036] __alloc_pages_slowpath+0x2318/0x2d80 [ 373.733911] ? warn_alloc+0x120/0x120 [ 373.737729] ? find_get_entry+0x2f2/0xc40 [ 373.741889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.747429] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 373.752359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.757897] ? should_fail+0x22d/0xd01 [ 373.761789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.766896] ? __lock_is_held+0xb5/0x140 [ 373.770989] ? __lock_is_held+0xb5/0x140 [ 373.775060] ? find_held_lock+0x36/0x1c0 [ 373.779128] ? ___might_sleep+0x1ed/0x300 [ 373.783271] ? lock_release+0x970/0x970 [ 373.787250] ? arch_local_save_flags+0x40/0x40 [ 373.791843] ? __might_sleep+0x95/0x190 [ 373.795822] __alloc_pages_nodemask+0xa80/0xde0 [ 373.800500] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 373.805520] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 373.811321] ? kasan_check_read+0x11/0x20 [ 373.815473] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.820758] ? graph_lock+0x170/0x170 [ 373.824564] ? print_usage_bug+0xc0/0xc0 [ 373.828628] ? graph_lock+0x170/0x170 [ 373.832424] ? graph_lock+0x170/0x170 [ 373.836487] ? __do_page_cache_readahead+0x7ce/0x980 [ 373.841598] ? find_held_lock+0x36/0x1c0 [ 373.845665] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 373.851209] alloc_pages_current+0x10c/0x210 [ 373.855619] ? lock_downgrade+0x900/0x900 [ 373.859776] __page_cache_alloc+0x38f/0x5b0 [ 373.864098] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 373.869893] ? kasan_check_read+0x11/0x20 [ 373.874040] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.879318] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 373.883993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.889533] ? check_preemption_disabled+0x48/0x200 [ 373.894571] filemap_fault+0x1594/0x25f0 [ 373.898644] ? __lock_page_or_retry+0xa00/0xa00 [ 373.903313] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 373.909104] ? kasan_check_read+0x11/0x20 [ 373.913252] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.918529] ? rcu_bh_qs+0xc0/0xc0 [ 373.922088] ? filemap_map_pages+0xdea/0x1980 [ 373.926592] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 373.931703] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 373.936981] ? debug_object_free+0x325/0x690 [ 373.941394] ? find_get_pages_range_tag+0x1320/0x1320 [ 373.946587] ? graph_lock+0x170/0x170 [ 373.950392] ? kasan_check_read+0x11/0x20 [ 373.954542] ? debug_object_destroy+0x2b0/0x2b0 [ 373.959226] ? lock_acquire+0x1ed/0x520 [ 373.963199] ? ext4_filemap_fault+0x7a/0xad [ 373.967529] ? lock_release+0x970/0x970 [ 373.971509] ? arch_local_save_flags+0x40/0x40 [ 373.976099] ? futex_wait_setup+0x3e0/0x3e0 [ 373.980439] ? down_read+0xb0/0x1d0 [ 373.984085] ? ext4_filemap_fault+0x7a/0xad [ 373.988420] ? __down_interruptible+0x700/0x700 [ 373.993118] ext4_filemap_fault+0x82/0xad [ 373.997270] __do_fault+0x100/0x6b0 [ 374.000904] ? print_bad_pte+0x6c0/0x6c0 [ 374.004977] ? do_futex+0x249/0x26d0 [ 374.008694] ? kasan_check_read+0x11/0x20 [ 374.012842] ? pmd_val+0x88/0x100 [ 374.016302] ? add_mm_counter_fast+0xd0/0xd0 [ 374.021146] ? pmd_val+0x88/0x100 [ 374.024605] ? add_mm_counter_fast+0xd0/0xd0 [ 374.029023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.034575] __handle_mm_fault+0x3709/0x53e0 [ 374.038998] ? perf_trace_lock+0x14d/0x7a0 [ 374.043249] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 374.048097] ? graph_lock+0x170/0x170 [ 374.051996] ? print_usage_bug+0xc0/0xc0 [ 374.056062] ? graph_lock+0x170/0x170 [ 374.059864] ? graph_lock+0x170/0x170 [ 374.063689] ? handle_mm_fault+0x42a/0xc70 [ 374.067930] ? lock_downgrade+0x900/0x900 [ 374.072084] ? check_preemption_disabled+0x48/0x200 [ 374.077111] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 374.082908] ? kasan_check_read+0x11/0x20 [ 374.087065] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 374.092345] ? rcu_bh_qs+0xc0/0xc0 [ 374.095887] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.101345] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.106880] ? check_preemption_disabled+0x48/0x200 [ 374.111915] handle_mm_fault+0x54f/0xc70 [ 374.115992] ? __handle_mm_fault+0x53e0/0x53e0 [ 374.120587] ? find_vma+0x34/0x190 [ 374.124142] __do_page_fault+0x67d/0xed0 [ 374.128217] ? mm_fault_error+0x380/0x380 [ 374.132366] ? trace_hardirqs_off+0xb8/0x300 [ 374.136774] ? trace_hardirqs_on+0x310/0x310 [ 374.141188] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.146559] ? trace_hardirqs_on+0x310/0x310 [ 374.151505] do_page_fault+0xf2/0x7e0 [ 374.155312] ? vmalloc_sync_all+0x30/0x30 [ 374.159463] ? error_entry+0x70/0xd0 [ 374.163177] ? trace_hardirqs_off_caller+0xbb/0x300 [ 374.168194] ? trace_hardirqs_on_caller+0xc0/0x300 [ 374.173123] ? syscall_return_slowpath+0x5e0/0x5e0 [ 374.178056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.182903] ? trace_hardirqs_off+0x300/0x300 [ 374.187395] ? trace_hardirqs_off_caller+0x300/0x300 [ 374.192505] ? prepare_exit_to_usermode+0x291/0x3b0 [ 374.197525] ? page_fault+0x8/0x30 [ 374.201074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.205926] ? page_fault+0x8/0x30 [ 374.209474] page_fault+0x1e/0x30 [ 374.212924] RIP: 0033:0x45ddf3 [ 374.216123] Code: Bad RIP value. [ 374.219484] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 374.224846] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 374.232114] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 374.239382] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 374.246651] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 374.253922] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 374.261222] warn_alloc_show_mem: 1 callbacks suppressed [ 374.261235] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 374.261237] Mem-Info: [ 374.261270] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 374.261270] active_file:16 inactive_file:17 isolated_file:0 [ 374.261270] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.261270] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 374.261270] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 374.261270] free:13771 free_pcp:233 free_cma:0 [ 374.266605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.266614] Call Trace: [ 374.273994] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 374.276392] [ 374.309273] Node 0 [ 374.318642] dump_stack+0x1c4/0x2b4 [ 374.321219] 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 [ 374.348887] ? dump_stack_print_info.cold.2+0x52/0x52 [ 374.351007] lowmem_reserve[]: [ 374.353250] warn_alloc.cold.118+0xb7/0x1bd [ 374.356840] 0 [ 374.382358] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.387522] 2815 [ 374.390623] ? lock_downgrade+0x900/0x900 [ 374.394913] 6318 [ 374.396718] ? trace_hardirqs_off+0xb8/0x300 [ 374.401520] 6318 [ 374.403593] ? trace_hardirqs_off+0xb8/0x300 [ 374.407711] Node 0 [ 374.409775] __alloc_pages_slowpath+0x2667/0x2d80 [ 374.414175] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 374.416232] ? warn_alloc+0x120/0x120 [ 374.420588] lowmem_reserve[]: [ 374.422820] ? warn_alloc+0x120/0x120 [ 374.427626] 0 0 [ 374.454390] ? print_usage_bug+0xc0/0xc0 [ 374.458167] 3503 [ 374.461270] ? warn_alloc+0x120/0x120 [ 374.465042] 3503 [ 374.467018] ? print_usage_bug+0xc0/0xc0 [ 374.473112] ? __lock_acquire+0x7ec/0x4ec0 [ 374.476886] Node 0 [ 374.478940] ? __lock_acquire+0x7ec/0x4ec0 [ 374.483007] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 374.487209] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.489416] lowmem_reserve[]: [ 374.493648] ? should_fail+0x22d/0xd01 [ 374.522011] 0 [ 374.527561] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.530630] 0 [ 374.534514] ? __lock_acquire+0x7ec/0x4ec0 [ 374.536287] 0 [ 374.541385] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.543162] 0 [ 374.547387] ? __lock_acquire+0x7ec/0x4ec0 [ 374.554257] ? should_fail+0x22d/0xd01 [ 374.556034] Node 0 [ 374.560277] ? mark_held_locks+0x130/0x130 [ 374.564126] DMA: [ 374.566357] ? mark_held_locks+0x130/0x130 [ 374.570567] 1*4kB [ 374.572619] ? graph_lock+0x170/0x170 [ 374.576824] (U) [ 374.578971] ? graph_lock+0x170/0x170 [ 374.582748] 0*8kB [ 374.584714] ? graph_lock+0x170/0x170 [ 374.588488] 0*16kB [ 374.590633] ? print_usage_bug+0xc0/0xc0 [ 374.594408] 1*32kB [ 374.596644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.600675] (U) [ 374.602907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.608419] 2*64kB [ 374.610391] ? check_preemption_disabled+0x48/0x200 [ 374.615901] (U) [ 374.618132] ? check_preemption_disabled+0x48/0x200 [ 374.623121] 1*128kB [ 374.625098] ? __lock_is_held+0xb5/0x140 [ 374.630080] (U) [ 374.632403] __alloc_pages_nodemask+0xa80/0xde0 [ 374.636428] 1*256kB (U) [ 374.638404] ? graph_lock+0x170/0x170 [ 374.643048] 0*512kB [ 374.645715] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 374.649484] 1*1024kB [ 374.651801] ? graph_lock+0x170/0x170 [ 374.656791] (U) 1*2048kB [ 374.659230] ? find_held_lock+0x36/0x1c0 [ 374.662991] (M) [ 374.665757] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.669784] 3*4096kB [ 374.671757] ? lock_downgrade+0x900/0x900 [ 374.676397] (M) [ 374.678818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.682928] = 15908kB [ 374.684905] cache_grow_begin+0x91/0x8c0 [ 374.690415] Node 0 [ 374.692831] ? do_raw_spin_unlock+0xa7/0x2f0 [ 374.696858] DMA32: [ 374.699100] fallback_alloc+0x203/0x2e0 [ 374.703478] 3*4kB [ 374.705725] ____cache_alloc_node+0x1c7/0x1e0 [ 374.709667] (M) [ 374.711826] kmem_cache_alloc_node+0xe3/0x730 [ 374.716288] 2*8kB [ 374.718268] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.722730] (M) [ 374.724887] __alloc_skb+0x119/0x770 [ 374.729095] 2*16kB (UM) [ 374.731106] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 374.734784] 1*32kB [ 374.737453] ? skb_scrub_packet+0x490/0x490 [ 374.742699] (M) [ 374.744938] ? lock_downgrade+0x900/0x900 [ 374.749233] 3*64kB [ 374.751211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.755323] (UM) [ 374.757558] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.763074] 3*128kB (M) [ 374.765157] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.770581] 2*256kB [ 374.773249] ? addrconf_rs_timer+0x6f0/0x6f0 [ 374.778661] (M) 3*512kB [ 374.781008] ndisc_alloc_skb+0x144/0x340 [ 374.785380] (M) [ 374.788067] ndisc_send_rs+0x331/0x6e0 [ 374.792101] 4*1024kB [ 374.794091] addrconf_rs_timer+0x3c0/0x6f0 [ 374.797994] (UM) [ 374.800413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.804615] 3*2048kB [ 374.806682] call_timer_fn+0x272/0x920 [ 374.810878] (M) [ 374.813285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.817141] 3*4096kB [ 374.819114] ? process_timeout+0x40/0x40 [ 374.823317] (M) [ 374.825718] ? find_held_lock+0x36/0x1c0 [ 374.825744] ? __run_timers+0x7da/0xc70 [ 374.829776] = 25244kB [ 374.831749] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.835786] Node 0 [ 374.839760] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.842140] Normal: [ 374.846630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.846650] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 374.848864] 1139*4kB [ 374.853362] ? trace_hardirqs_on+0xbd/0x310 [ 374.855657] (MEH) [ 374.859910] ? kasan_check_read+0x11/0x20 [ 374.864464] 438*8kB [ 374.866875] ? __run_timers+0x7da/0xc70 [ 374.871162] (UME) [ 374.873307] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.877425] 175*16kB [ 374.879744] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.883682] (UME) 64*32kB [ 374.885843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.891259] (UMEH) 14*64kB [ 374.893694] __run_timers+0x7e5/0xc70 [ 374.897898] (UM) [ 374.900749] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 374.904949] 1*128kB [ 374.907894] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 374.911663] (H) [ 374.913720] ? graph_lock+0x170/0x170 [ 374.919061] 0*256kB [ 374.921378] ? enqueue_hrtimer+0x1a5/0x560 [ 374.926364] 0*512kB [ 374.928335] ? lock_release+0x970/0x970 [ 374.932109] 0*1024kB [ 374.934426] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 374.938630] 0*2048kB [ 374.940953] ? find_held_lock+0x36/0x1c0 [ 374.944900] 0*4096kB [ 374.947305] ? graph_lock+0x170/0x170 [ 374.952467] = 13932kB [ 374.952482] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 374.954878] ? pvclock_read_flags+0x160/0x160 [ 374.958914] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 374.961314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.965103] 788 total pagecache pages [ 374.967504] ? check_preemption_disabled+0x48/0x200 [ 374.976323] 0 pages in swap cache [ 374.980815] ? __lock_is_held+0xb5/0x140 [ 374.989360] Swap cache stats: add 0, delete 0, find 0/0 [ 374.994894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.998661] Free swap = 0kB [ 375.003669] ? check_preemption_disabled+0x48/0x200 [ 375.007096] Total swap = 0kB [ 375.011159] run_timer_softirq+0x52/0xb0 [ 375.016490] 1965979 pages RAM [ 375.022026] ? rcu_read_lock_sched_held+0x108/0x120 [ 375.025009] 0 pages HighMem/MovableOnly [ 375.025018] 343323 pages reserved [ 375.030032] __do_softirq+0x30b/0xad8 [ 375.033021] 0 pages cma reserved [ 375.037087] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 375.040402] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.045169] ? pvclock_read_flags+0x160/0x160 [ 375.049114] syz-fuzzer cpuset= [ 375.052562] ? lapic_next_event+0x5a/0x90 [ 375.056340] / [ 375.059705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.064780] mems_allowed=0 [ 375.075010] ? check_preemption_disabled+0x48/0x200 [ 375.101928] ? check_preemption_disabled+0x48/0x200 [ 375.106972] ? kvm_clock_read+0x18/0x30 [ 375.110952] ? kvm_sched_clock_read+0x9/0x20 [ 375.115376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.120916] ? check_preemption_disabled+0x48/0x200 [ 375.125950] irq_exit+0x17f/0x1c0 [ 375.129420] smp_apic_timer_interrupt+0x1cb/0x760 [ 375.134263] ? smp_reschedule_interrupt+0x109/0x650 [ 375.139283] ? smp_call_function_single_interrupt+0x650/0x650 [ 375.145173] ? interrupt_entry+0xb5/0xf0 [ 375.149237] ? trace_hardirqs_off_caller+0xbb/0x300 [ 375.154256] ? trace_hardirqs_off_caller+0xbb/0x300 [ 375.159277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.164123] ? trace_hardirqs_off+0x300/0x300 [ 375.168618] ? trace_hardirqs_off+0x300/0x300 [ 375.173116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.178656] ? check_preemption_disabled+0x48/0x200 [ 375.183674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.189225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.194092] apic_timer_interrupt+0xf/0x20 [ 375.198320] [ 375.200562] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 375.205498] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 375.224411] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 375.232127] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 375.239408] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 375.246677] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 375.253950] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 375.261233] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 375.268563] skb_clone+0x1bb/0x500 [ 375.272108] ? finish_task_switch+0x2f5/0x900 [ 375.276604] ? skb_split+0x11e0/0x11e0 [ 375.280497] ? preempt_notifier_register+0x200/0x200 [ 375.285602] ? __switch_to_asm+0x34/0x70 [ 375.289664] ? __switch_to_asm+0x34/0x70 [ 375.293725] ? __switch_to_asm+0x40/0x70 [ 375.297786] ? __switch_to_asm+0x34/0x70 [ 375.301843] ? __switch_to_asm+0x40/0x70 [ 375.305902] ? __switch_to_asm+0x34/0x70 [ 375.309969] ? __switch_to_asm+0x40/0x70 [ 375.314029] ? __switch_to_asm+0x34/0x70 [ 375.318105] ? __switch_to_asm+0x34/0x70 [ 375.322164] ? __switch_to_asm+0x40/0x70 [ 375.326224] ? __switch_to_asm+0x34/0x70 [ 375.330300] bpf_clone_redirect+0xb9/0x490 [ 375.334541] ? __schedule+0x874/0x1ed0 [ 375.338440] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 375.343461] ? __sched_text_start+0x8/0x8 [ 375.347616] ? retint_kernel+0x2d/0x2d [ 375.351516] ? find_held_lock+0x36/0x1c0 [ 375.355585] ? lock_acquire+0x1ed/0x520 [ 375.359560] ? bpf_test_run+0x32e/0x5a0 [ 375.363539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.369082] ? check_preemption_disabled+0x48/0x200 [ 375.374124] ? kasan_check_read+0x11/0x20 [ 375.378280] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.383559] ? rcu_bh_qs+0xc0/0xc0 [ 375.387108] ? preempt_schedule+0x4d/0x60 [ 375.391257] ? ___preempt_schedule+0x16/0x18 [ 375.395675] ? bpf_test_run+0x1c0/0x5a0 [ 375.399661] ? netlink_diag_dump+0x2a0/0x2a0 [ 375.404080] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.409618] ? bpf_test_init.isra.9+0x70/0x100 [ 375.414205] ? bpf_prog_test_run_skb+0x634/0xb40 [ 375.418977] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 375.423827] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 375.429369] ? fput+0x130/0x1a0 [ 375.432649] ? __bpf_prog_get+0x9b/0x290 [ 375.436716] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 375.441556] ? bpf_prog_test_run+0x130/0x1a0 [ 375.445979] ? __x64_sys_bpf+0x3d8/0x510 [ 375.450040] ? bpf_prog_get+0x20/0x20 [ 375.453856] ? ksys_ioctl+0x81/0xd0 [ 375.457492] ? do_syscall_64+0x1b9/0x820 [ 375.461556] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 375.466926] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.471863] ? trace_hardirqs_off+0x300/0x300 [ 375.476366] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 375.481380] ? recalc_sigpending_tsk+0x180/0x180 [ 375.486138] ? kasan_check_write+0x14/0x20 [ 375.490384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.495247] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.500637] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 375.500737] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.507567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.507572] Call Trace: [ 375.507580] [ 375.507600] dump_stack+0x1c4/0x2b4 [ 375.507618] ? dump_stack_print_info.cold.2+0x52/0x52 [ 375.514204] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.523462] warn_alloc.cold.118+0xb7/0x1bd [ 375.526008] syz-executor6 cpuset= [ 375.528155] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.531751] syz6 [ 375.536941] ? lock_downgrade+0x900/0x900 [ 375.547405] mems_allowed=0 [ 375.551728] ? trace_hardirqs_off+0xb8/0x300 [ 375.573409] ? trace_hardirqs_off+0xb8/0x300 [ 375.577832] __alloc_pages_slowpath+0x2667/0x2d80 [ 375.582706] ? ndisc_send_skb+0x1005/0x1570 [ 375.587040] ? warn_alloc+0x120/0x120 [ 375.590851] ? out_of_memory+0xa86/0x14c0 [ 375.595015] ? __alloc_pages_nodemask+0xa80/0xde0 [ 375.599882] ? warn_alloc+0x120/0x120 [ 375.603711] ? print_usage_bug+0xc0/0xc0 [ 375.607792] ? warn_alloc+0x120/0x120 [ 375.611600] ? check_preemption_disabled+0x48/0x200 [ 375.616631] ? print_usage_bug+0xc0/0xc0 [ 375.620710] ? __lock_acquire+0x7ec/0x4ec0 [ 375.624976] ? __lock_acquire+0x7ec/0x4ec0 [ 375.629222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.634762] ? should_fail+0x22d/0xd01 [ 375.638656] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.643762] ? __lock_acquire+0x7ec/0x4ec0 [ 375.648009] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.653121] ? __lock_acquire+0x7ec/0x4ec0 [ 375.657361] ? should_fail+0x22d/0xd01 [ 375.661268] ? mark_held_locks+0x130/0x130 [ 375.665510] ? mark_held_locks+0x130/0x130 [ 375.669749] ? ip6_finish_output2+0x1d75/0x27a0 [ 375.674422] ? __kfree_skb+0x20/0x20 [ 375.678139] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 375.682727] ? graph_lock+0x170/0x170 [ 375.686531] ? print_usage_bug+0xc0/0xc0 [ 375.690610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.696154] ? check_preemption_disabled+0x48/0x200 [ 375.701169] ? check_preemption_disabled+0x48/0x200 [ 375.706205] ? __lock_is_held+0xb5/0x140 [ 375.710275] __alloc_pages_nodemask+0xa80/0xde0 [ 375.714948] ? graph_lock+0x170/0x170 [ 375.718764] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 375.723778] ? graph_lock+0x170/0x170 [ 375.727597] ? find_held_lock+0x36/0x1c0 [ 375.731670] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.736345] ? lock_downgrade+0x900/0x900 [ 375.740505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.746053] cache_grow_begin+0x91/0x8c0 [ 375.750122] ? do_raw_spin_unlock+0xa7/0x2f0 [ 375.754541] fallback_alloc+0x203/0x2e0 [ 375.758530] ____cache_alloc_node+0x1c7/0x1e0 [ 375.763040] kmem_cache_alloc_node+0xe3/0x730 [ 375.767541] ? ipv6_get_ifaddr+0x42e/0x620 [ 375.771798] __alloc_skb+0x119/0x770 [ 375.775516] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.780805] ? skb_scrub_packet+0x490/0x490 [ 375.785135] ? lock_downgrade+0x900/0x900 [ 375.789294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.794842] ? refcount_sub_and_test_checked+0x203/0x310 [ 375.800313] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 375.805777] ? addrconf_rs_timer+0x6f0/0x6f0 [ 375.810207] ndisc_alloc_skb+0x144/0x340 [ 375.814280] ndisc_send_rs+0x331/0x6e0 [ 375.818177] addrconf_rs_timer+0x3c0/0x6f0 [ 375.822422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.826673] call_timer_fn+0x272/0x920 [ 375.830571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.834812] ? process_timeout+0x40/0x40 [ 375.838874] ? find_held_lock+0x36/0x1c0 [ 375.842949] ? mark_held_locks+0xc7/0x130 [ 375.847114] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.851610] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.856106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.860345] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 375.864935] ? trace_hardirqs_on+0xbd/0x310 [ 375.869268] ? kasan_check_read+0x11/0x20 [ 375.873421] ? __run_timers+0x7da/0xc70 [ 375.877405] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.882868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.887112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.891352] __run_timers+0x7e5/0xc70 [ 375.895170] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 375.900543] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.905831] ? rcu_bh_qs+0xc0/0xc0 [ 375.909379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.914931] ? mark_held_locks+0xc7/0x130 [ 375.919113] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 375.923877] ? retint_kernel+0x2d/0x2d [ 375.927772] ? trace_hardirqs_on_caller+0xc0/0x300 [ 375.932708] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 375.937471] ? trace_hardirqs_off_caller+0x300/0x300 [ 375.942584] ? check_preemption_disabled+0x48/0x200 [ 375.947606] ? graph_lock+0x170/0x170 [ 375.951417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.956967] ? check_preemption_disabled+0x48/0x200 [ 375.962010] ? __lock_is_held+0xb5/0x140 [ 375.966078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.971621] ? check_preemption_disabled+0x48/0x200 [ 375.976658] run_timer_softirq+0x52/0xb0 [ 375.980723] ? rcu_read_lock_sched_held+0x108/0x120 [ 375.985746] __do_softirq+0x30b/0xad8 [ 375.989570] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 375.994687] ? pvclock_read_flags+0x160/0x160 [ 375.999192] ? lapic_next_event+0x5a/0x90 [ 376.003348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.008887] ? check_preemption_disabled+0x48/0x200 [ 376.013906] ? check_preemption_disabled+0x48/0x200 [ 376.019220] ? kvm_clock_read+0x18/0x30 [ 376.023197] ? kvm_sched_clock_read+0x9/0x20 [ 376.027614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.033158] ? check_preemption_disabled+0x48/0x200 [ 376.038196] irq_exit+0x17f/0x1c0 [ 376.041664] smp_apic_timer_interrupt+0x1cb/0x760 [ 376.046515] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.052408] ? interrupt_entry+0xb5/0xf0 [ 376.056479] ? trace_hardirqs_off_caller+0xbb/0x300 [ 376.061503] ? trace_hardirqs_off_caller+0xbb/0x300 [ 376.066533] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.071389] ? trace_hardirqs_off+0x300/0x300 [ 376.075890] ? trace_hardirqs_off+0x300/0x300 [ 376.080421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.085975] ? check_preemption_disabled+0x48/0x200 [ 376.091007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.096584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.101454] apic_timer_interrupt+0xf/0x20 [ 376.105688] [ 376.107932] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 376.113223] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 376.132161] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 376.139900] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 376.147187] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 376.154983] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 376.162267] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 376.170136] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 376.177451] ? arch_local_irq_restore+0x45/0x52 [ 376.182147] dump_stack+0x26a/0x2b4 [ 376.185789] ? dump_stack_print_info.cold.2+0x52/0x52 [ 376.190998] ? mark_held_locks+0x130/0x130 [ 376.195237] ? mark_held_locks+0x130/0x130 [ 376.199481] dump_header+0x27b/0xf72 [ 376.203214] ? pagefault_out_of_memory+0x197/0x197 [ 376.208160] ? mark_held_locks+0x130/0x130 [ 376.212400] ? __lock_acquire+0x7ec/0x4ec0 [ 376.216638] ? mem_cgroup_charge_statistics+0x780/0x780 [ 376.222010] ? print_usage_bug+0xc0/0xc0 [ 376.226085] ? print_usage_bug+0xc0/0xc0 [ 376.230183] ? graph_lock+0x170/0x170 [ 376.233990] ? graph_lock+0x170/0x170 [ 376.237799] ? print_usage_bug+0xc0/0xc0 [ 376.241866] ? print_usage_bug+0xc0/0xc0 [ 376.245940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.251488] ? find_held_lock+0x36/0x1c0 [ 376.255567] ? mark_held_locks+0xc7/0x130 [ 376.259724] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 376.264838] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 376.269951] ? lockdep_hardirqs_on+0x421/0x5c0 [ 376.274561] ? trace_hardirqs_on+0xbd/0x310 [ 376.278885] ? kasan_check_read+0x11/0x20 [ 376.283039] ? ___ratelimit+0x36f/0x655 [ 376.287053] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.292538] ? trace_hardirqs_on+0x310/0x310 [ 376.296993] ? lock_downgrade+0x900/0x900 [ 376.301184] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 376.306326] ? ___ratelimit+0xaa/0x655 [ 376.310245] ? idr_get_free+0xec0/0xec0 [ 376.314250] ? kasan_check_write+0x14/0x20 [ 376.318514] ? do_raw_spin_lock+0xc1/0x200 [ 376.322792] oom_kill_process.cold.27+0x10/0x903 [ 376.327589] ? graph_lock+0x170/0x170 [ 376.331436] ? _raw_spin_unlock+0x2c/0x50 [ 376.335619] ? oom_badness+0xe6/0xaa0 [ 376.339473] ? oom_evaluate_task+0x540/0x540 [ 376.343930] ? find_held_lock+0x36/0x1c0 [ 376.348052] ? out_of_memory+0x974/0x14c0 [ 376.352244] ? lock_downgrade+0x900/0x900 [ 376.356425] ? check_preemption_disabled+0x48/0x200 [ 376.361494] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 376.367326] ? kasan_check_read+0x11/0x20 [ 376.371512] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 376.376833] ? rcu_bh_qs+0xc0/0xc0 [ 376.380417] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.385466] ? oom_evaluate_task+0x302/0x540 [ 376.389915] out_of_memory+0xa86/0x14c0 [ 376.393939] ? oom_killer_disable+0x3a0/0x3a0 [ 376.398480] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 376.403446] ? __mutex_add_waiter+0x2a0/0x2a0 [ 376.407993] __alloc_pages_slowpath+0x2318/0x2d80 [ 376.412899] ? warn_alloc+0x120/0x120 [ 376.416741] ? find_get_entry+0x2f2/0xc40 [ 376.420924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.426504] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 376.431468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.437042] ? should_fail+0x22d/0xd01 [ 376.440986] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.446130] ? __lock_is_held+0xb5/0x140 [ 376.450248] ? __lock_is_held+0xb5/0x140 [ 376.454346] ? find_held_lock+0x36/0x1c0 [ 376.458421] ? ___might_sleep+0x1ed/0x300 [ 376.462574] ? lock_release+0x970/0x970 [ 376.466561] ? arch_local_save_flags+0x40/0x40 [ 376.471165] ? __might_sleep+0x95/0x190 [ 376.475152] __alloc_pages_nodemask+0xa80/0xde0 [ 376.479835] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 376.484863] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 376.490666] ? kasan_check_read+0x11/0x20 [ 376.494829] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 376.500127] ? graph_lock+0x170/0x170 [ 376.503944] ? print_usage_bug+0xc0/0xc0 [ 376.508025] ? graph_lock+0x170/0x170 [ 376.511830] ? graph_lock+0x170/0x170 [ 376.515639] ? __do_page_cache_readahead+0x7ce/0x980 [ 376.520752] ? find_held_lock+0x36/0x1c0 [ 376.524824] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 376.530382] alloc_pages_current+0x10c/0x210 [ 376.534808] ? lock_downgrade+0x900/0x900 [ 376.538992] __page_cache_alloc+0x38f/0x5b0 [ 376.543341] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 376.549151] ? kasan_check_read+0x11/0x20 [ 376.553320] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 376.558636] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 376.563324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.568865] ? check_preemption_disabled+0x48/0x200 [ 376.573897] filemap_fault+0x1594/0x25f0 [ 376.577987] ? __lock_page_or_retry+0xa00/0xa00 [ 376.582661] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 376.588458] ? kasan_check_read+0x11/0x20 [ 376.592613] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 376.597893] ? rcu_bh_qs+0xc0/0xc0 [ 376.601448] ? filemap_map_pages+0xdea/0x1980 [ 376.605955] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 376.611084] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 376.616363] ? debug_object_free+0x325/0x690 [ 376.620779] ? find_get_pages_range_tag+0x1320/0x1320 [ 376.625985] ? graph_lock+0x170/0x170 [ 376.629800] ? kasan_check_read+0x11/0x20 [ 376.633952] ? debug_object_destroy+0x2b0/0x2b0 [ 376.638646] ? lock_acquire+0x1ed/0x520 [ 376.642621] ? ext4_filemap_fault+0x7a/0xad [ 376.646950] ? lock_release+0x970/0x970 [ 376.650935] ? arch_local_save_flags+0x40/0x40 [ 376.655534] ? futex_wait_setup+0x3e0/0x3e0 [ 376.659876] ? down_read+0xb0/0x1d0 [ 376.663501] ? ext4_filemap_fault+0x7a/0xad [ 376.667824] ? __down_interruptible+0x700/0x700 [ 376.672515] ext4_filemap_fault+0x82/0xad [ 376.676667] __do_fault+0x100/0x6b0 [ 376.680301] ? print_bad_pte+0x6c0/0x6c0 [ 376.684365] ? do_futex+0x249/0x26d0 [ 376.688079] ? kasan_check_read+0x11/0x20 [ 376.692224] ? pmd_val+0x88/0x100 [ 376.695681] ? add_mm_counter_fast+0xd0/0xd0 [ 376.700089] ? pmd_val+0x88/0x100 [ 376.703540] ? add_mm_counter_fast+0xd0/0xd0 [ 376.707957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.713509] __handle_mm_fault+0x3709/0x53e0 [ 376.717920] ? perf_trace_lock+0x14d/0x7a0 [ 376.722166] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 376.727010] ? graph_lock+0x170/0x170 [ 376.730814] ? print_usage_bug+0xc0/0xc0 [ 376.734879] ? graph_lock+0x170/0x170 [ 376.738684] ? graph_lock+0x170/0x170 [ 376.742510] ? handle_mm_fault+0x42a/0xc70 [ 376.746755] ? lock_downgrade+0x900/0x900 [ 376.750902] ? check_preemption_disabled+0x48/0x200 [ 376.755928] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 376.761732] ? kasan_check_read+0x11/0x20 [ 376.765883] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 376.771165] ? rcu_bh_qs+0xc0/0xc0 [ 376.774708] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.780168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.785704] ? check_preemption_disabled+0x48/0x200 [ 376.790736] handle_mm_fault+0x54f/0xc70 [ 376.794802] ? __handle_mm_fault+0x53e0/0x53e0 [ 376.799385] ? find_vma+0x34/0x190 [ 376.802934] __do_page_fault+0x67d/0xed0 [ 376.807014] ? mm_fault_error+0x380/0x380 [ 376.811162] ? trace_hardirqs_off+0xb8/0x300 [ 376.815579] ? trace_hardirqs_on+0x310/0x310 [ 376.819996] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.825358] ? trace_hardirqs_on+0x310/0x310 [ 376.829778] do_page_fault+0xf2/0x7e0 [ 376.833584] ? vmalloc_sync_all+0x30/0x30 [ 376.837740] ? error_entry+0x70/0xd0 [ 376.841459] ? trace_hardirqs_off_caller+0xbb/0x300 [ 376.846480] ? trace_hardirqs_on_caller+0xc0/0x300 [ 376.851413] ? syscall_return_slowpath+0x5e0/0x5e0 [ 376.856348] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.861193] ? trace_hardirqs_off+0x300/0x300 [ 376.865685] ? trace_hardirqs_off_caller+0x300/0x300 [ 376.870807] ? prepare_exit_to_usermode+0x291/0x3b0 [ 376.875836] ? page_fault+0x8/0x30 [ 376.879383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.884239] ? page_fault+0x8/0x30 [ 376.887792] page_fault+0x1e/0x30 [ 376.891252] RIP: 0033:0x45ddf3 [ 376.894452] Code: Bad RIP value. [ 376.897812] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 376.903208] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 376.910476] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 376.917741] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 376.925007] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 376.932275] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 376.939584] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 376.939590] warn_alloc_show_mem: 1 callbacks suppressed [ 376.939597] Mem-Info: [ 376.946875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.952245] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 376.952245] active_file:16 inactive_file:17 isolated_file:0 [ 376.952245] unevictable:0 dirty:0 writeback:0 unstable:0 [ 376.952245] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 376.952245] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 376.952245] free:13771 free_pcp:233 free_cma:0 [ 376.954613] Call Trace: [ 376.964010] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 376.996866] [ 376.999438] Node 0 [ 377.027119] dump_stack+0x1c4/0x2b4 [ 377.029263] 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 [ 377.031468] ? dump_stack_print_info.cold.2+0x52/0x52 [ 377.035058] lowmem_reserve[]: 0 [ 377.060582] warn_alloc.cold.118+0xb7/0x1bd [ 377.065767] 2815 [ 377.069135] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.073422] 6318 [ 377.075484] ? lock_downgrade+0x900/0x900 [ 377.080288] 6318 [ 377.082359] ? trace_hardirqs_off+0xb8/0x300 [ 377.086471] Node 0 [ 377.088528] ? trace_hardirqs_off+0xb8/0x300 [ 377.092930] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 377.095143] __alloc_pages_slowpath+0x2667/0x2d80 [ 377.099520] lowmem_reserve[]: [ 377.126284] ? warn_alloc+0x120/0x120 [ 377.131077] 0 [ 377.134182] ? trace_hardirqs_on+0x310/0x310 [ 377.137954] 0 [ 377.139758] ? warn_alloc+0x120/0x120 [ 377.144148] 3503 [ 377.145946] ? print_usage_bug+0xc0/0xc0 [ 377.150164] 3503 [ 377.152224] ? warn_alloc+0x120/0x120 [ 377.158316] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 377.162089] Node 0 [ 377.167097] ? print_usage_bug+0xc0/0xc0 [ 377.167130] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 377.167137] lowmem_reserve[]: [ 377.169387] ? __lock_acquire+0x7ec/0x4ec0 [ 377.173421] 0 [ 377.201790] ? __lock_acquire+0x7ec/0x4ec0 [ 377.204870] 0 [ 377.209100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.210873] 0 [ 377.215104] ? should_fail+0x22d/0xd01 [ 377.216880] 0 [ 377.222412] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.228070] ? __lock_acquire+0x7ec/0x4ec0 [ 377.229841] Node 0 [ 377.234941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.239146] DMA: [ 377.241375] ? __lock_acquire+0x7ec/0x4ec0 [ 377.246452] 1*4kB [ 377.248513] ? should_fail+0x22d/0xd01 [ 377.252719] (U) [ 377.254866] ? print_usage_bug+0xc0/0xc0 [ 377.258729] 0*8kB [ 377.260706] ? mark_held_locks+0x130/0x130 [ 377.264729] 0*16kB [ 377.266872] ? mark_held_locks+0x130/0x130 [ 377.271081] 1*32kB [ 377.273313] ? graph_lock+0x170/0x170 [ 377.277512] (U) [ 377.279740] ? print_usage_bug+0xc0/0xc0 [ 377.283516] 2*64kB [ 377.285489] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 377.289519] (U) [ 377.291752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.296472] 1*128kB (U) [ 377.298450] ? check_preemption_disabled+0x48/0x200 [ 377.303954] 1*256kB (U) [ 377.306634] ? check_preemption_disabled+0x48/0x200 [ 377.311627] 0*512kB [ 377.314297] ? __lock_is_held+0xb5/0x140 [ 377.319275] 1*1024kB [ 377.321593] __alloc_pages_nodemask+0xa80/0xde0 [ 377.325624] (U) [ 377.328026] ? graph_lock+0x170/0x170 [ 377.332669] 1*2048kB [ 377.334641] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 377.338412] (M) [ 377.340815] ? graph_lock+0x170/0x170 [ 377.345799] 3*4096kB (M) [ 377.347785] ? find_held_lock+0x36/0x1c0 [ 377.351560] = 15908kB [ 377.354312] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.358336] Node 0 [ 377.360739] ? lock_downgrade+0x900/0x900 [ 377.365379] DMA32: [ 377.367616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.371728] 3*4kB [ 377.373975] cache_grow_begin+0x91/0x8c0 [ 377.379478] (M) [ 377.381622] ? do_raw_spin_unlock+0xa7/0x2f0 [ 377.385655] 2*8kB [ 377.387630] fallback_alloc+0x203/0x2e0 [ 377.392002] (M) [ 377.394149] ____cache_alloc_node+0x1c7/0x1e0 [ 377.398090] 2*16kB [ 377.400066] kmem_cache_alloc_node+0xe3/0x730 [ 377.404527] (UM) [ 377.406758] ? ipv6_get_ifaddr+0x42e/0x620 [ 377.411225] 1*32kB [ 377.413291] __alloc_skb+0x119/0x770 [ 377.417490] (M) [ 377.419727] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 377.423409] 3*64kB [ 377.425379] ? skb_scrub_packet+0x490/0x490 [ 377.430632] (UM) [ 377.432867] ? lock_downgrade+0x900/0x900 [ 377.437159] 3*128kB [ 377.439219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.443333] (M) [ 377.445652] ? refcount_sub_and_test_checked+0x203/0x310 [ 377.451155] 2*256kB [ 377.453125] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 377.458545] (M) [ 377.460871] ? addrconf_rs_timer+0x6f0/0x6f0 [ 377.466285] 3*512kB (M) [ 377.468275] ndisc_alloc_skb+0x144/0x340 [ 377.472647] 4*1024kB [ 377.475313] ndisc_send_rs+0x331/0x6e0 [ 377.479340] (UM) [ 377.481748] addrconf_rs_timer+0x3c0/0x6f0 [ 377.485604] 3*2048kB [ 377.487662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.491864] (M) [ 377.494282] call_timer_fn+0x272/0x920 [ 377.498477] 3*4096kB [ 377.500445] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.504302] (M) [ 377.506712] ? process_timeout+0x40/0x40 [ 377.510918] = 25244kB [ 377.512889] ? find_held_lock+0x36/0x1c0 [ 377.516918] Node 0 [ 377.519329] ? __run_timers+0x7da/0xc70 [ 377.523351] Normal: [ 377.525585] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.529530] 1139*4kB [ 377.531849] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.536313] (MEH) [ 377.538717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.543184] 438*8kB [ 377.545326] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 377.549533] (UME) [ 377.551886] ? trace_hardirqs_on+0xbd/0x310 [ 377.556437] 175*16kB [ 377.558587] ? kasan_check_read+0x11/0x20 [ 377.562878] (UME) [ 377.565293] ? __run_timers+0x7da/0xc70 [ 377.569407] 64*32kB [ 377.571557] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.575499] (UMEH) [ 377.577823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.583239] 14*64kB [ 377.585471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.589671] (UM) [ 377.591999] __run_timers+0x7e5/0xc70 [ 377.596205] 1*128kB [ 377.598276] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 377.602033] (H) [ 377.604353] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 377.609686] 0*256kB [ 377.611656] ? graph_lock+0x170/0x170 [ 377.616642] 0*512kB [ 377.618960] ? enqueue_hrtimer+0x1a5/0x560 [ 377.622741] 0*1024kB [ 377.625062] ? lock_release+0x970/0x970 [ 377.629264] 0*2048kB [ 377.631670] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 377.635614] 0*4096kB [ 377.638028] ? find_held_lock+0x36/0x1c0 [ 377.643186] = 13932kB [ 377.645596] ? graph_lock+0x170/0x170 [ 377.649631] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 377.652028] ? pvclock_read_flags+0x160/0x160 [ 377.655804] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 377.664632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.669100] 788 total pagecache pages [ 377.677671] ? check_preemption_disabled+0x48/0x200 [ 377.683186] 0 pages in swap cache [ 377.686986] ? __lock_is_held+0xb5/0x140 [ 377.691972] Swap cache stats: add 0, delete 0, find 0/0 [ 377.695419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.699451] Free swap = 0kB [ 377.704804] ? check_preemption_disabled+0x48/0x200 [ 377.710313] Total swap = 0kB [ 377.713333] run_timer_softirq+0x52/0xb0 [ 377.718313] 1965979 pages RAM [ 377.721327] ? rcu_read_lock_sched_held+0x108/0x120 [ 377.725360] 0 pages HighMem/MovableOnly [ 377.728460] __do_softirq+0x30b/0xad8 [ 377.733437] 343323 pages reserved [ 377.733446] 0 pages cma reserved [ 377.737424] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 377.741268] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.744637] ? pvclock_read_flags+0x160/0x160 [ 377.744652] ? lapic_next_event+0x5a/0x90 [ 377.744671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.748088] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.753108] ? check_preemption_disabled+0x48/0x200 [ 377.759581] syz-fuzzer cpuset= [ 377.764071] ? check_preemption_disabled+0x48/0x200 [ 377.768188] / [ 377.773723] ? kvm_clock_read+0x18/0x30 [ 377.783919] mems_allowed=0 [ 377.788927] ? kvm_sched_clock_read+0x9/0x20 [ 377.810070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.815616] ? check_preemption_disabled+0x48/0x200 [ 377.820657] irq_exit+0x17f/0x1c0 [ 377.824122] smp_apic_timer_interrupt+0x1cb/0x760 [ 377.828983] ? smp_reschedule_interrupt+0x109/0x650 [ 377.834004] ? smp_call_function_single_interrupt+0x650/0x650 [ 377.839889] ? interrupt_entry+0xb5/0xf0 [ 377.843958] ? trace_hardirqs_off_caller+0xbb/0x300 [ 377.849081] ? trace_hardirqs_off_caller+0xbb/0x300 [ 377.854102] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.858943] ? trace_hardirqs_off+0x300/0x300 [ 377.863445] ? trace_hardirqs_off+0x300/0x300 [ 377.867942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.873487] ? check_preemption_disabled+0x48/0x200 [ 377.878507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.884064] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.888919] apic_timer_interrupt+0xf/0x20 [ 377.893147] [ 377.895388] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 377.900322] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 377.919222] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 377.926932] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 377.934207] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 377.941490] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 377.948776] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 377.956067] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 377.963409] skb_clone+0x1bb/0x500 [ 377.966974] ? finish_task_switch+0x2f5/0x900 [ 377.971483] ? skb_split+0x11e0/0x11e0 [ 377.975380] ? preempt_notifier_register+0x200/0x200 [ 377.980489] ? __switch_to_asm+0x34/0x70 [ 377.984563] ? __switch_to_asm+0x34/0x70 [ 377.988629] ? __switch_to_asm+0x40/0x70 [ 377.992696] ? __switch_to_asm+0x34/0x70 [ 377.996758] ? __switch_to_asm+0x40/0x70 [ 378.000824] ? __switch_to_asm+0x34/0x70 [ 378.004885] ? __switch_to_asm+0x40/0x70 [ 378.008948] ? __switch_to_asm+0x34/0x70 [ 378.013025] ? __switch_to_asm+0x34/0x70 [ 378.017471] ? __switch_to_asm+0x40/0x70 [ 378.021532] ? __switch_to_asm+0x34/0x70 [ 378.025614] bpf_clone_redirect+0xb9/0x490 [ 378.029855] ? __schedule+0x874/0x1ed0 [ 378.033753] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 378.038776] ? __sched_text_start+0x8/0x8 [ 378.042932] ? retint_kernel+0x2d/0x2d [ 378.046839] ? find_held_lock+0x36/0x1c0 [ 378.050909] ? lock_acquire+0x1ed/0x520 [ 378.054884] ? bpf_test_run+0x32e/0x5a0 [ 378.058862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.064401] ? check_preemption_disabled+0x48/0x200 [ 378.069429] ? kasan_check_read+0x11/0x20 [ 378.073586] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 378.078875] ? rcu_bh_qs+0xc0/0xc0 [ 378.082423] ? preempt_schedule+0x4d/0x60 [ 378.086583] ? ___preempt_schedule+0x16/0x18 [ 378.091012] ? bpf_test_run+0x1c0/0x5a0 [ 378.095009] ? netlink_diag_dump+0x2a0/0x2a0 [ 378.099425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.104972] ? bpf_test_init.isra.9+0x70/0x100 [ 378.109564] ? bpf_prog_test_run_skb+0x634/0xb40 [ 378.114332] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 378.119178] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 378.124729] ? fput+0x130/0x1a0 [ 378.128017] ? __bpf_prog_get+0x9b/0x290 [ 378.132095] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 378.136945] ? bpf_prog_test_run+0x130/0x1a0 [ 378.141374] ? __x64_sys_bpf+0x3d8/0x510 [ 378.145437] ? bpf_prog_get+0x20/0x20 [ 378.149570] ? ksys_ioctl+0x81/0xd0 [ 378.153215] ? do_syscall_64+0x1b9/0x820 [ 378.157282] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 378.162653] ? syscall_return_slowpath+0x5e0/0x5e0 [ 378.167593] ? trace_hardirqs_off+0x300/0x300 [ 378.172102] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 378.177135] ? recalc_sigpending_tsk+0x180/0x180 [ 378.181912] ? kasan_check_write+0x14/0x20 [ 378.186169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.191042] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 378.196450] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 378.196537] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.203387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.203393] Call Trace: [ 378.203400] [ 378.203424] dump_stack+0x1c4/0x2b4 [ 378.203438] ? dump_stack_print_info.cold.2+0x52/0x52 [ 378.203463] warn_alloc.cold.118+0xb7/0x1bd [ 378.203481] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.210077] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.219366] ? lock_downgrade+0x900/0x900 [ 378.221922] syz-executor6 cpuset= [ 378.224080] ? trace_hardirqs_off+0xb8/0x300 [ 378.227679] syz6 [ 378.232878] ? trace_hardirqs_off+0xb8/0x300 [ 378.237175] mems_allowed=0 [ 378.242028] __alloc_pages_slowpath+0x2667/0x2d80 [ 378.278629] ? warn_alloc+0x120/0x120 [ 378.282454] ? warn_alloc+0x120/0x120 [ 378.286277] ? print_usage_bug+0xc0/0xc0 [ 378.290347] ? warn_alloc+0x120/0x120 [ 378.294158] ? print_usage_bug+0xc0/0xc0 [ 378.298226] ? __lock_acquire+0x7ec/0x4ec0 [ 378.302460] ? __lock_acquire+0x7ec/0x4ec0 [ 378.306705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.312247] ? should_fail+0x22d/0xd01 [ 378.316153] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.321270] ? __lock_acquire+0x7ec/0x4ec0 [ 378.325525] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.330649] ? __lock_acquire+0x7ec/0x4ec0 [ 378.334888] ? should_fail+0x22d/0xd01 [ 378.338797] ? mark_held_locks+0x130/0x130 [ 378.343042] ? mark_held_locks+0x130/0x130 [ 378.347285] ? graph_lock+0x170/0x170 [ 378.351094] ? graph_lock+0x170/0x170 [ 378.354903] ? graph_lock+0x170/0x170 [ 378.358709] ? print_usage_bug+0xc0/0xc0 [ 378.362774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.368331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.373887] ? check_preemption_disabled+0x48/0x200 [ 378.378915] ? check_preemption_disabled+0x48/0x200 [ 378.384224] ? __lock_is_held+0xb5/0x140 [ 378.388306] __alloc_pages_nodemask+0xa80/0xde0 [ 378.392990] ? graph_lock+0x170/0x170 [ 378.396806] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 378.401824] ? graph_lock+0x170/0x170 [ 378.405639] ? find_held_lock+0x36/0x1c0 [ 378.409715] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.414392] ? lock_downgrade+0x900/0x900 [ 378.418567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.424140] cache_grow_begin+0x91/0x8c0 [ 378.428234] ? do_raw_spin_unlock+0xa7/0x2f0 [ 378.432671] fallback_alloc+0x203/0x2e0 [ 378.436673] ____cache_alloc_node+0x1c7/0x1e0 [ 378.441199] kmem_cache_alloc_node+0xe3/0x730 [ 378.445722] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.449995] __alloc_skb+0x119/0x770 [ 378.453726] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 378.459025] ? skb_scrub_packet+0x490/0x490 [ 378.463362] ? lock_downgrade+0x900/0x900 [ 378.467535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.473091] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.478573] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.484045] ? addrconf_rs_timer+0x6f0/0x6f0 [ 378.488487] ndisc_alloc_skb+0x144/0x340 [ 378.492576] ndisc_send_rs+0x331/0x6e0 [ 378.496494] addrconf_rs_timer+0x3c0/0x6f0 [ 378.500755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.505031] call_timer_fn+0x272/0x920 [ 378.508936] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.513191] ? process_timeout+0x40/0x40 [ 378.517267] ? find_held_lock+0x36/0x1c0 [ 378.521342] ? mark_held_locks+0xc7/0x130 [ 378.525504] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.530006] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.534509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.538750] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 378.543340] ? trace_hardirqs_on+0xbd/0x310 [ 378.547662] ? kasan_check_read+0x11/0x20 [ 378.551818] ? __run_timers+0x7da/0xc70 [ 378.555805] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.561270] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.565516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.569760] __run_timers+0x7e5/0xc70 [ 378.573586] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 378.578971] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 378.584261] ? rcu_bh_qs+0xc0/0xc0 [ 378.587808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.593359] ? mark_held_locks+0xc7/0x130 [ 378.597515] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 378.602288] ? retint_kernel+0x2d/0x2d [ 378.606187] ? trace_hardirqs_on_caller+0xc0/0x300 [ 378.611130] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 378.615898] ? trace_hardirqs_off_caller+0x300/0x300 [ 378.621013] ? check_preemption_disabled+0x48/0x200 [ 378.626042] ? graph_lock+0x170/0x170 [ 378.629862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.635406] ? check_preemption_disabled+0x48/0x200 [ 378.640442] ? __lock_is_held+0xb5/0x140 [ 378.644509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.650054] ? check_preemption_disabled+0x48/0x200 [ 378.655085] run_timer_softirq+0x52/0xb0 [ 378.659153] ? rcu_read_lock_sched_held+0x108/0x120 [ 378.664186] __do_softirq+0x30b/0xad8 [ 378.668019] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 378.673196] ? pvclock_read_flags+0x160/0x160 [ 378.677706] ? lapic_next_event+0x5a/0x90 [ 378.681865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.687421] ? check_preemption_disabled+0x48/0x200 [ 378.692449] ? check_preemption_disabled+0x48/0x200 [ 378.697477] ? kvm_clock_read+0x18/0x30 [ 378.701453] ? kvm_sched_clock_read+0x9/0x20 [ 378.705864] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.711402] ? check_preemption_disabled+0x48/0x200 [ 378.716434] irq_exit+0x17f/0x1c0 [ 378.719897] smp_apic_timer_interrupt+0x1cb/0x760 [ 378.724740] ? smp_call_function_single_interrupt+0x650/0x650 [ 378.730623] ? interrupt_entry+0xb5/0xf0 [ 378.734685] ? trace_hardirqs_off_caller+0xbb/0x300 [ 378.739704] ? trace_hardirqs_off_caller+0xbb/0x300 [ 378.744728] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.749578] ? trace_hardirqs_off+0x300/0x300 [ 378.754076] ? trace_hardirqs_off+0x300/0x300 [ 378.758577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.764115] ? check_preemption_disabled+0x48/0x200 [ 378.769136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.774692] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.779558] apic_timer_interrupt+0xf/0x20 [ 378.783793] [ 378.786034] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 378.791316] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 378.810229] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 378.817950] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 378.825233] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 378.832506] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 378.839782] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 378.847060] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 378.854361] ? arch_local_irq_restore+0x45/0x52 [ 378.859049] dump_stack+0x26a/0x2b4 [ 378.862683] ? dump_stack_print_info.cold.2+0x52/0x52 [ 378.867877] ? mark_held_locks+0x130/0x130 [ 378.872112] ? mark_held_locks+0x130/0x130 [ 378.876355] dump_header+0x27b/0xf72 [ 378.880086] ? pagefault_out_of_memory+0x197/0x197 [ 378.885027] ? mark_held_locks+0x130/0x130 [ 378.889262] ? __lock_acquire+0x7ec/0x4ec0 [ 378.893499] ? mem_cgroup_charge_statistics+0x780/0x780 [ 378.898865] ? print_usage_bug+0xc0/0xc0 [ 378.902927] ? print_usage_bug+0xc0/0xc0 [ 378.906999] ? graph_lock+0x170/0x170 [ 378.910798] ? graph_lock+0x170/0x170 [ 378.914599] ? print_usage_bug+0xc0/0xc0 [ 378.918657] ? print_usage_bug+0xc0/0xc0 [ 378.922726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.928266] ? find_held_lock+0x36/0x1c0 [ 378.932338] ? mark_held_locks+0xc7/0x130 [ 378.936494] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 378.941600] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 378.946705] ? lockdep_hardirqs_on+0x421/0x5c0 [ 378.951292] ? trace_hardirqs_on+0xbd/0x310 [ 378.955614] ? kasan_check_read+0x11/0x20 [ 378.959769] ? ___ratelimit+0x36f/0x655 [ 378.963744] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.969200] ? trace_hardirqs_on+0x310/0x310 [ 378.973609] ? lock_downgrade+0x900/0x900 [ 378.977766] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 378.982874] ? ___ratelimit+0xaa/0x655 [ 378.986764] ? idr_get_free+0xec0/0xec0 [ 378.990738] ? kasan_check_write+0x14/0x20 [ 378.994984] ? do_raw_spin_lock+0xc1/0x200 [ 378.999228] oom_kill_process.cold.27+0x10/0x903 [ 379.003996] ? graph_lock+0x170/0x170 [ 379.007802] ? _raw_spin_unlock+0x2c/0x50 [ 379.012069] ? oom_badness+0xe6/0xaa0 [ 379.015978] ? oom_evaluate_task+0x540/0x540 [ 379.020396] ? find_held_lock+0x36/0x1c0 [ 379.024468] ? out_of_memory+0x974/0x14c0 [ 379.028617] ? lock_downgrade+0x900/0x900 [ 379.032766] ? check_preemption_disabled+0x48/0x200 [ 379.037790] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 379.043584] ? kasan_check_read+0x11/0x20 [ 379.047734] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 379.053014] ? rcu_bh_qs+0xc0/0xc0 [ 379.056566] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 379.061592] ? oom_evaluate_task+0x302/0x540 [ 379.066006] out_of_memory+0xa86/0x14c0 [ 379.070001] ? oom_killer_disable+0x3a0/0x3a0 [ 379.074501] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 379.079433] ? __mutex_add_waiter+0x2a0/0x2a0 [ 379.084163] __alloc_pages_slowpath+0x2318/0x2d80 [ 379.089041] ? warn_alloc+0x120/0x120 [ 379.092860] ? find_get_entry+0x2f2/0xc40 [ 379.097020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.102564] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 379.107495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.113034] ? should_fail+0x22d/0xd01 [ 379.116929] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.122063] ? __lock_is_held+0xb5/0x140 [ 379.126154] ? __lock_is_held+0xb5/0x140 [ 379.130225] ? find_held_lock+0x36/0x1c0 [ 379.134290] ? ___might_sleep+0x1ed/0x300 [ 379.138436] ? lock_release+0x970/0x970 [ 379.142411] ? arch_local_save_flags+0x40/0x40 [ 379.147010] ? __might_sleep+0x95/0x190 [ 379.151485] __alloc_pages_nodemask+0xa80/0xde0 [ 379.156166] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 379.161188] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 379.166987] ? kasan_check_read+0x11/0x20 [ 379.171138] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 379.176420] ? graph_lock+0x170/0x170 [ 379.180222] ? print_usage_bug+0xc0/0xc0 [ 379.184287] ? graph_lock+0x170/0x170 [ 379.188085] ? graph_lock+0x170/0x170 [ 379.191886] ? __do_page_cache_readahead+0x7ce/0x980 [ 379.197004] ? find_held_lock+0x36/0x1c0 [ 379.201070] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 379.206614] alloc_pages_current+0x10c/0x210 [ 379.211022] ? lock_downgrade+0x900/0x900 [ 379.215173] __page_cache_alloc+0x38f/0x5b0 [ 379.219496] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 379.225293] ? kasan_check_read+0x11/0x20 [ 379.229445] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 379.234723] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 379.239397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.244936] ? check_preemption_disabled+0x48/0x200 [ 379.249980] filemap_fault+0x1594/0x25f0 [ 379.254058] ? __lock_page_or_retry+0xa00/0xa00 [ 379.258728] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 379.264523] ? kasan_check_read+0x11/0x20 [ 379.268674] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 379.273949] ? rcu_bh_qs+0xc0/0xc0 [ 379.277516] ? filemap_map_pages+0xdea/0x1980 [ 379.282020] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.287127] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 379.292397] ? debug_object_free+0x325/0x690 [ 379.296809] ? find_get_pages_range_tag+0x1320/0x1320 [ 379.302006] ? graph_lock+0x170/0x170 [ 379.305817] ? kasan_check_read+0x11/0x20 [ 379.309983] ? debug_object_destroy+0x2b0/0x2b0 [ 379.314672] ? lock_acquire+0x1ed/0x520 [ 379.318647] ? ext4_filemap_fault+0x7a/0xad [ 379.322993] ? lock_release+0x970/0x970 [ 379.327008] ? arch_local_save_flags+0x40/0x40 [ 379.331602] ? futex_wait_setup+0x3e0/0x3e0 [ 379.335942] ? down_read+0xb0/0x1d0 [ 379.339582] ? ext4_filemap_fault+0x7a/0xad [ 379.343918] ? __down_interruptible+0x700/0x700 [ 379.348626] ext4_filemap_fault+0x82/0xad [ 379.352788] __do_fault+0x100/0x6b0 [ 379.356424] ? print_bad_pte+0x6c0/0x6c0 [ 379.360492] ? do_futex+0x249/0x26d0 [ 379.364207] ? kasan_check_read+0x11/0x20 [ 379.368358] ? pmd_val+0x88/0x100 [ 379.371813] ? add_mm_counter_fast+0xd0/0xd0 [ 379.376218] ? pmd_val+0x88/0x100 [ 379.379669] ? add_mm_counter_fast+0xd0/0xd0 [ 379.384082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.389628] __handle_mm_fault+0x3709/0x53e0 [ 379.394036] ? perf_trace_lock+0x14d/0x7a0 [ 379.398280] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 379.403124] ? graph_lock+0x170/0x170 [ 379.406929] ? print_usage_bug+0xc0/0xc0 [ 379.411002] ? graph_lock+0x170/0x170 [ 379.414802] ? graph_lock+0x170/0x170 [ 379.418627] ? handle_mm_fault+0x42a/0xc70 [ 379.422861] ? lock_downgrade+0x900/0x900 [ 379.427005] ? check_preemption_disabled+0x48/0x200 [ 379.432029] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 379.437825] ? kasan_check_read+0x11/0x20 [ 379.441980] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 379.447259] ? rcu_bh_qs+0xc0/0xc0 [ 379.450798] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.456250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.461789] ? check_preemption_disabled+0x48/0x200 [ 379.466817] handle_mm_fault+0x54f/0xc70 [ 379.470886] ? __handle_mm_fault+0x53e0/0x53e0 [ 379.475473] ? find_vma+0x34/0x190 [ 379.479021] __do_page_fault+0x67d/0xed0 [ 379.483092] ? mm_fault_error+0x380/0x380 [ 379.487241] ? trace_hardirqs_off+0xb8/0x300 [ 379.491649] ? trace_hardirqs_on+0x310/0x310 [ 379.496062] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.501427] ? trace_hardirqs_on+0x310/0x310 [ 379.505840] do_page_fault+0xf2/0x7e0 [ 379.509640] ? vmalloc_sync_all+0x30/0x30 [ 379.513792] ? error_entry+0x70/0xd0 [ 379.517506] ? trace_hardirqs_off_caller+0xbb/0x300 [ 379.522524] ? trace_hardirqs_on_caller+0xc0/0x300 [ 379.527462] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.532394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.537243] ? trace_hardirqs_off+0x300/0x300 [ 379.541738] ? trace_hardirqs_off_caller+0x300/0x300 [ 379.546848] ? prepare_exit_to_usermode+0x291/0x3b0 [ 379.551868] ? page_fault+0x8/0x30 [ 379.555413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.560262] ? page_fault+0x8/0x30 [ 379.563802] page_fault+0x1e/0x30 [ 379.567253] RIP: 0033:0x45ddf3 [ 379.570449] Code: Bad RIP value. [ 379.573805] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 379.579166] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 379.586452] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 379.593719] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 379.600992] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 379.608261] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 379.615565] warn_alloc_show_mem: 1 callbacks suppressed [ 379.615577] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 379.615579] Mem-Info: [ 379.615611] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 379.615611] active_file:16 inactive_file:17 isolated_file:0 [ 379.615611] unevictable:0 dirty:0 writeback:0 unstable:0 [ 379.615611] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 379.615611] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 379.615611] free:13771 free_pcp:233 free_cma:0 [ 379.620950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.628231] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 379.630629] Call Trace: [ 379.663505] Node 0 [ 379.672859] [ 379.700549] 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 [ 379.703109] dump_stack+0x1c4/0x2b4 [ 379.705306] lowmem_reserve[]: 0 [ 379.707458] ? dump_stack_print_info.cold.2+0x52/0x52 [ 379.732932] 2815 [ 379.736572] warn_alloc.cold.118+0xb7/0x1bd [ 379.739808] 6318 [ 379.744994] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.747027] 6318 [ 379.751366] ? lock_downgrade+0x900/0x900 [ 379.753401] Node 0 [ 379.758240] ? trace_hardirqs_off+0xb8/0x300 [ 379.760297] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 379.764412] ? trace_hardirqs_off+0xb8/0x300 [ 379.766623] lowmem_reserve[]: [ 379.771032] __alloc_pages_slowpath+0x2667/0x2d80 [ 379.797712] 0 0 [ 379.802154] ? warn_alloc+0x120/0x120 [ 379.805200] 3503 [ 379.810033] ? warn_alloc+0x120/0x120 [ 379.811995] 3503 [ 379.815787] ? print_usage_bug+0xc0/0xc0 [ 379.821609] ? warn_alloc+0x120/0x120 [ 379.823646] Node 0 [ 379.827702] ? print_usage_bug+0xc0/0xc0 [ 379.831500] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 379.833701] ? __lock_acquire+0x7ec/0x4ec0 [ 379.837740] lowmem_reserve[]: [ 379.866106] ? __lock_acquire+0x7ec/0x4ec0 [ 379.870318] 0 [ 379.873419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.877622] 0 [ 379.879419] ? should_fail+0x22d/0xd01 [ 379.884923] 0 [ 379.886720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.890582] 0 [ 379.892376] ? __lock_acquire+0x7ec/0x4ec0 [ 379.899251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.903460] Node 0 [ 379.908547] ? __lock_acquire+0x7ec/0x4ec0 [ 379.908564] ? should_fail+0x22d/0xd01 [ 379.910780] DMA: [ 379.915015] ? mark_held_locks+0x130/0x130 [ 379.918871] 1*4kB [ 379.920925] ? mark_held_locks+0x130/0x130 [ 379.925133] (U) [ 379.927276] ? graph_lock+0x170/0x170 [ 379.931489] 0*8kB [ 379.933458] ? graph_lock+0x170/0x170 [ 379.937230] 0*16kB [ 379.939373] ? graph_lock+0x170/0x170 [ 379.943149] 1*32kB [ 379.945378] ? print_usage_bug+0xc0/0xc0 [ 379.949150] (U) [ 379.951383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.955412] 2*64kB [ 379.957386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.962888] (U) 1*128kB [ 379.965129] ? check_preemption_disabled+0x48/0x200 [ 379.970636] (U) [ 379.973301] ? check_preemption_disabled+0x48/0x200 [ 379.978292] 1*256kB [ 379.980268] ? __lock_is_held+0xb5/0x140 [ 379.985247] (U) [ 379.987570] __alloc_pages_nodemask+0xa80/0xde0 [ 379.991605] 0*512kB [ 379.993577] ? graph_lock+0x170/0x170 [ 379.998218] 1*1024kB [ 380.000537] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 380.004306] (U) [ 380.006710] ? graph_lock+0x170/0x170 [ 380.011700] 1*2048kB [ 380.013675] ? find_held_lock+0x36/0x1c0 [ 380.017698] (M) 3*4096kB [ 380.020122] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.024148] (M) [ 380.026898] ? lock_downgrade+0x900/0x900 [ 380.031537] = 15908kB [ 380.033515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.037627] Node 0 [ 380.040031] cache_grow_begin+0x91/0x8c0 [ 380.045535] DMA32: [ 380.047766] ? do_raw_spin_unlock+0xa7/0x2f0 [ 380.051800] 3*4kB [ 380.054041] fallback_alloc+0x203/0x2e0 [ 380.058418] (M) [ 380.060563] ____cache_alloc_node+0x1c7/0x1e0 [ 380.064510] 2*8kB (M) [ 380.066502] kmem_cache_alloc_node+0xe3/0x730 [ 380.070957] 2*16kB (UM) [ 380.073475] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.077938] 1*32kB [ 380.080616] __alloc_skb+0x119/0x770 [ 380.084809] (M) [ 380.087051] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 380.090721] 3*64kB (UM) [ 380.092709] ? skb_scrub_packet+0x490/0x490 [ 380.097946] 3*128kB (M) [ 380.100635] ? lock_downgrade+0x900/0x900 [ 380.104919] 2*256kB (M) [ 380.107603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.111706] 3*512kB (M) [ 380.114388] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.119893] 4*1024kB [ 380.122560] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.127990] (UM) [ 380.130400] ? addrconf_rs_timer+0x6f0/0x6f0 [ 380.135822] 3*2048kB [ 380.137893] ndisc_alloc_skb+0x144/0x340 [ 380.142263] (M) [ 380.144673] ndisc_send_rs+0x331/0x6e0 [ 380.149225] 3*4096kB (M) [ 380.151216] addrconf_rs_timer+0x3c0/0x6f0 [ 380.155069] = 25244kB [ 380.157822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.162026] Node 0 [ 380.164444] call_timer_fn+0x272/0x920 [ 380.168639] Normal: [ 380.170870] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.174730] 1139*4kB [ 380.177051] ? process_timeout+0x40/0x40 [ 380.181256] (MEH) [ 380.183659] ? find_held_lock+0x36/0x1c0 [ 380.187696] 438*8kB [ 380.189843] ? __run_timers+0x7da/0xc70 [ 380.193868] (UME) [ 380.196185] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.200131] 175*16kB [ 380.202274] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.206739] (UME) [ 380.209149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.213613] 64*32kB [ 380.215757] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 380.219962] (UMEH) [ 380.222293] ? trace_hardirqs_on+0xbd/0x310 [ 380.226848] 14*64kB [ 380.229088] ? kasan_check_read+0x11/0x20 [ 380.233381] (UM) [ 380.235705] ? __run_timers+0x7da/0xc70 [ 380.239820] 1*128kB [ 380.241879] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.245823] (H) [ 380.248143] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.253571] 0*256kB [ 380.255544] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.259752] 0*512kB [ 380.262077] __run_timers+0x7e5/0xc70 [ 380.266276] 0*1024kB [ 380.268613] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 380.272371] 0*2048kB [ 380.274778] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 380.280108] 0*4096kB [ 380.282513] ? graph_lock+0x170/0x170 [ 380.287500] = 13932kB [ 380.287515] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 380.289919] ? enqueue_hrtimer+0x1a5/0x560 [ 380.293694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 380.296100] ? lock_release+0x970/0x970 [ 380.304927] 788 total pagecache pages [ 380.309166] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 380.317723] 0 pages in swap cache [ 380.321706] ? find_held_lock+0x36/0x1c0 [ 380.325467] Swap cache stats: add 0, delete 0, find 0/0 [ 380.330646] ? graph_lock+0x170/0x170 [ 380.334062] Free swap = 0kB [ 380.334070] Total swap = 0kB [ 380.338123] ? pvclock_read_flags+0x160/0x160 [ 380.343456] 1965979 pages RAM [ 380.347249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.350236] 0 pages HighMem/MovableOnly [ 380.353243] ? check_preemption_disabled+0x48/0x200 [ 380.357713] 343323 pages reserved [ 380.360819] ? __lock_is_held+0xb5/0x140 [ 380.366320] 0 pages cma reserved [ 380.370288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.375392] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.378768] ? check_preemption_disabled+0x48/0x200 [ 380.382910] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.386169] run_timer_softirq+0x52/0xb0 [ 380.391676] syz-fuzzer cpuset= [ 380.398162] ? rcu_read_lock_sched_held+0x108/0x120 [ 380.403148] / [ 380.413370] __do_softirq+0x30b/0xad8 [ 380.417404] mems_allowed=0 [ 380.420599] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 380.439107] ? pvclock_read_flags+0x160/0x160 [ 380.443607] ? lapic_next_event+0x5a/0x90 [ 380.447758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.453292] ? check_preemption_disabled+0x48/0x200 [ 380.458302] ? check_preemption_disabled+0x48/0x200 [ 380.463326] ? kvm_clock_read+0x18/0x30 [ 380.467300] ? kvm_sched_clock_read+0x9/0x20 [ 380.471712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.477245] ? check_preemption_disabled+0x48/0x200 [ 380.482275] irq_exit+0x17f/0x1c0 [ 380.485737] smp_apic_timer_interrupt+0x1cb/0x760 [ 380.490579] ? smp_reschedule_interrupt+0x109/0x650 [ 380.495598] ? smp_call_function_single_interrupt+0x650/0x650 [ 380.501483] ? interrupt_entry+0xb5/0xf0 [ 380.505544] ? trace_hardirqs_off_caller+0xbb/0x300 [ 380.510557] ? trace_hardirqs_off_caller+0xbb/0x300 [ 380.515578] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.520423] ? trace_hardirqs_off+0x300/0x300 [ 380.524914] ? trace_hardirqs_off+0x300/0x300 [ 380.529412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.534948] ? check_preemption_disabled+0x48/0x200 [ 380.539979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.545529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.550384] apic_timer_interrupt+0xf/0x20 [ 380.554615] [ 380.556855] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 380.561789] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 380.580687] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 380.588396] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 380.595661] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 380.602925] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 380.610192] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 380.617457] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 380.624778] skb_clone+0x1bb/0x500 [ 380.628323] ? finish_task_switch+0x2f5/0x900 [ 380.632818] ? skb_split+0x11e0/0x11e0 [ 380.636706] ? preempt_notifier_register+0x200/0x200 [ 380.641807] ? __switch_to_asm+0x34/0x70 [ 380.645864] ? __switch_to_asm+0x34/0x70 [ 380.649925] ? __switch_to_asm+0x40/0x70 [ 380.653988] ? __switch_to_asm+0x34/0x70 [ 380.658044] ? __switch_to_asm+0x40/0x70 [ 380.662107] ? __switch_to_asm+0x34/0x70 [ 380.666164] ? __switch_to_asm+0x40/0x70 [ 380.670221] ? __switch_to_asm+0x34/0x70 [ 380.674282] ? __switch_to_asm+0x34/0x70 [ 380.678338] ? __switch_to_asm+0x40/0x70 [ 380.682398] ? __switch_to_asm+0x34/0x70 [ 380.686470] bpf_clone_redirect+0xb9/0x490 [ 380.690711] ? __schedule+0x874/0x1ed0 [ 380.694610] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 380.699633] ? __sched_text_start+0x8/0x8 [ 380.703789] ? retint_kernel+0x2d/0x2d [ 380.707687] ? find_held_lock+0x36/0x1c0 [ 380.711757] ? lock_acquire+0x1ed/0x520 [ 380.715733] ? bpf_test_run+0x32e/0x5a0 [ 380.719707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.725244] ? check_preemption_disabled+0x48/0x200 [ 380.730263] ? kasan_check_read+0x11/0x20 [ 380.734420] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 380.739700] ? rcu_bh_qs+0xc0/0xc0 [ 380.743242] ? preempt_schedule+0x4d/0x60 [ 380.747396] ? ___preempt_schedule+0x16/0x18 [ 380.751813] ? bpf_test_run+0x1c0/0x5a0 [ 380.755797] ? netlink_diag_dump+0x2a0/0x2a0 [ 380.760212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.765749] ? bpf_test_init.isra.9+0x70/0x100 [ 380.770333] ? bpf_prog_test_run_skb+0x634/0xb40 [ 380.775099] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 380.779943] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 380.785489] ? fput+0x130/0x1a0 [ 380.788767] ? __bpf_prog_get+0x9b/0x290 [ 380.792830] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 380.797666] ? bpf_prog_test_run+0x130/0x1a0 [ 380.802084] ? __x64_sys_bpf+0x3d8/0x510 [ 380.806144] ? bpf_prog_get+0x20/0x20 [ 380.809951] ? ksys_ioctl+0x81/0xd0 [ 380.813597] ? do_syscall_64+0x1b9/0x820 [ 380.817660] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 380.823031] ? syscall_return_slowpath+0x5e0/0x5e0 [ 380.827975] ? trace_hardirqs_off+0x300/0x300 [ 380.832472] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 380.837491] ? recalc_sigpending_tsk+0x180/0x180 [ 380.842246] ? kasan_check_write+0x14/0x20 [ 380.846486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.851342] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.856730] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 380.856823] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.863653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.863658] Call Trace: [ 380.863666] [ 380.863683] dump_stack+0x1c4/0x2b4 [ 380.863705] ? dump_stack_print_info.cold.2+0x52/0x52 [ 380.870315] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.879536] warn_alloc.cold.118+0xb7/0x1bd [ 380.879554] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.882329] syz-executor6 cpuset= [ 380.884480] ? lock_downgrade+0x900/0x900 [ 380.884504] ? trace_hardirqs_off+0xb8/0x300 [ 380.888269] syz6 [ 380.893386] ? trace_hardirqs_off+0xb8/0x300 [ 380.893412] __alloc_pages_slowpath+0x2667/0x2d80 [ 380.893458] ? warn_alloc+0x120/0x120 [ 380.893476] ? trace_hardirqs_on+0x310/0x310 [ 380.904068] mems_allowed=0 [ 380.908380] ? warn_alloc+0x120/0x120 [ 380.951212] ? print_usage_bug+0xc0/0xc0 [ 380.955278] ? warn_alloc+0x120/0x120 [ 380.959079] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 380.964097] ? print_usage_bug+0xc0/0xc0 [ 380.968161] ? __lock_acquire+0x7ec/0x4ec0 [ 380.972394] ? __lock_acquire+0x7ec/0x4ec0 [ 380.976631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.982169] ? should_fail+0x22d/0xd01 [ 380.986065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.991170] ? __lock_acquire+0x7ec/0x4ec0 [ 380.995409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.000511] ? __lock_acquire+0x7ec/0x4ec0 [ 381.004748] ? should_fail+0x22d/0xd01 [ 381.008632] ? print_usage_bug+0xc0/0xc0 [ 381.012705] ? mark_held_locks+0x130/0x130 [ 381.016946] ? mark_held_locks+0x130/0x130 [ 381.021198] ? graph_lock+0x170/0x170 [ 381.024997] ? print_usage_bug+0xc0/0xc0 [ 381.029064] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 381.033822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.039357] ? check_preemption_disabled+0x48/0x200 [ 381.044372] ? check_preemption_disabled+0x48/0x200 [ 381.049402] ? __lock_is_held+0xb5/0x140 [ 381.053472] __alloc_pages_nodemask+0xa80/0xde0 [ 381.058145] ? graph_lock+0x170/0x170 [ 381.061949] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 381.066980] ? graph_lock+0x170/0x170 [ 381.070795] ? find_held_lock+0x36/0x1c0 [ 381.074872] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.079546] ? lock_downgrade+0x900/0x900 [ 381.083710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.089260] cache_grow_begin+0x91/0x8c0 [ 381.093330] ? do_raw_spin_unlock+0xa7/0x2f0 [ 381.097755] fallback_alloc+0x203/0x2e0 [ 381.101754] ____cache_alloc_node+0x1c7/0x1e0 [ 381.106261] kmem_cache_alloc_node+0xe3/0x730 [ 381.110765] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.115033] __alloc_skb+0x119/0x770 [ 381.118774] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.124082] ? skb_scrub_packet+0x490/0x490 [ 381.128423] ? lock_downgrade+0x900/0x900 [ 381.132611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.138169] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.143633] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.149578] ? addrconf_rs_timer+0x6f0/0x6f0 [ 381.154009] ndisc_alloc_skb+0x144/0x340 [ 381.158080] ndisc_send_rs+0x331/0x6e0 [ 381.161984] addrconf_rs_timer+0x3c0/0x6f0 [ 381.166231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.170481] call_timer_fn+0x272/0x920 [ 381.174368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.178605] ? process_timeout+0x40/0x40 [ 381.182669] ? find_held_lock+0x36/0x1c0 [ 381.186748] ? mark_held_locks+0xc7/0x130 [ 381.190916] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.195426] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.199939] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.204202] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 381.208801] ? trace_hardirqs_on+0xbd/0x310 [ 381.213124] ? kasan_check_read+0x11/0x20 [ 381.217278] ? __run_timers+0x7da/0xc70 [ 381.221252] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.226712] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.230955] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.235201] __run_timers+0x7e5/0xc70 [ 381.239017] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 381.244384] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.249662] ? rcu_bh_qs+0xc0/0xc0 [ 381.253206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.258756] ? mark_held_locks+0xc7/0x130 [ 381.262915] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 381.267677] ? retint_kernel+0x2d/0x2d [ 381.271571] ? trace_hardirqs_on_caller+0xc0/0x300 [ 381.276504] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 381.281262] ? trace_hardirqs_off_caller+0x300/0x300 [ 381.286363] ? check_preemption_disabled+0x48/0x200 [ 381.291407] ? graph_lock+0x170/0x170 [ 381.295213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.300749] ? check_preemption_disabled+0x48/0x200 [ 381.305782] ? __lock_is_held+0xb5/0x140 [ 381.309850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.315387] ? check_preemption_disabled+0x48/0x200 [ 381.320413] run_timer_softirq+0x52/0xb0 [ 381.324478] ? rcu_read_lock_sched_held+0x108/0x120 [ 381.329497] __do_softirq+0x30b/0xad8 [ 381.333309] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 381.338416] ? pvclock_read_flags+0x160/0x160 [ 381.342917] ? lapic_next_event+0x5a/0x90 [ 381.347077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.352626] ? check_preemption_disabled+0x48/0x200 [ 381.357654] ? check_preemption_disabled+0x48/0x200 [ 381.362692] ? kvm_clock_read+0x18/0x30 [ 381.366674] ? kvm_sched_clock_read+0x9/0x20 [ 381.371088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.376624] ? check_preemption_disabled+0x48/0x200 [ 381.381650] irq_exit+0x17f/0x1c0 [ 381.385109] smp_apic_timer_interrupt+0x1cb/0x760 [ 381.389956] ? smp_call_function_single_interrupt+0x650/0x650 [ 381.395850] ? interrupt_entry+0xb5/0xf0 [ 381.399914] ? trace_hardirqs_off_caller+0xbb/0x300 [ 381.404932] ? trace_hardirqs_off_caller+0xbb/0x300 [ 381.409950] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.414798] ? trace_hardirqs_off+0x300/0x300 [ 381.419293] ? trace_hardirqs_off+0x300/0x300 [ 381.423795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.429333] ? check_preemption_disabled+0x48/0x200 [ 381.434347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.439897] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.444765] apic_timer_interrupt+0xf/0x20 [ 381.448998] [ 381.451239] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 381.456516] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 381.475416] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 381.483127] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 381.490396] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 381.497660] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 381.504928] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 381.512192] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 381.519484] ? arch_local_irq_restore+0x45/0x52 [ 381.524169] dump_stack+0x26a/0x2b4 [ 381.527803] ? dump_stack_print_info.cold.2+0x52/0x52 [ 381.533005] ? mark_held_locks+0x130/0x130 [ 381.537237] ? mark_held_locks+0x130/0x130 [ 381.541480] dump_header+0x27b/0xf72 [ 381.545207] ? pagefault_out_of_memory+0x197/0x197 [ 381.550141] ? mark_held_locks+0x130/0x130 [ 381.554373] ? __lock_acquire+0x7ec/0x4ec0 [ 381.558609] ? mem_cgroup_charge_statistics+0x780/0x780 [ 381.563977] ? print_usage_bug+0xc0/0xc0 [ 381.568038] ? print_usage_bug+0xc0/0xc0 [ 381.572105] ? graph_lock+0x170/0x170 [ 381.575904] ? graph_lock+0x170/0x170 [ 381.579706] ? print_usage_bug+0xc0/0xc0 [ 381.583767] ? print_usage_bug+0xc0/0xc0 [ 381.587840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.593380] ? find_held_lock+0x36/0x1c0 [ 381.597450] ? mark_held_locks+0xc7/0x130 [ 381.601602] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 381.606706] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 381.611810] ? lockdep_hardirqs_on+0x421/0x5c0 [ 381.616394] ? trace_hardirqs_on+0xbd/0x310 [ 381.620711] ? kasan_check_read+0x11/0x20 [ 381.624859] ? ___ratelimit+0x36f/0x655 [ 381.628838] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.634291] ? trace_hardirqs_on+0x310/0x310 [ 381.638703] ? lock_downgrade+0x900/0x900 [ 381.642861] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 381.647976] ? ___ratelimit+0xaa/0x655 [ 381.651867] ? idr_get_free+0xec0/0xec0 [ 381.655842] ? kasan_check_write+0x14/0x20 [ 381.660082] ? do_raw_spin_lock+0xc1/0x200 [ 381.664329] oom_kill_process.cold.27+0x10/0x903 [ 381.669090] ? graph_lock+0x170/0x170 [ 381.672893] ? _raw_spin_unlock+0x2c/0x50 [ 381.677040] ? oom_badness+0xe6/0xaa0 [ 381.680850] ? oom_evaluate_task+0x540/0x540 [ 381.685261] ? find_held_lock+0x36/0x1c0 [ 381.689332] ? out_of_memory+0x974/0x14c0 [ 381.693482] ? lock_downgrade+0x900/0x900 [ 381.697629] ? check_preemption_disabled+0x48/0x200 [ 381.702655] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 381.708453] ? kasan_check_read+0x11/0x20 [ 381.712605] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.717886] ? rcu_bh_qs+0xc0/0xc0 [ 381.721434] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.726449] ? oom_evaluate_task+0x302/0x540 [ 381.730860] out_of_memory+0xa86/0x14c0 [ 381.734847] ? oom_killer_disable+0x3a0/0x3a0 [ 381.739340] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 381.744271] ? __mutex_add_waiter+0x2a0/0x2a0 [ 381.748782] __alloc_pages_slowpath+0x2318/0x2d80 [ 381.753655] ? warn_alloc+0x120/0x120 [ 381.757469] ? find_get_entry+0x2f2/0xc40 [ 381.761627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.767166] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 381.772097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.777636] ? should_fail+0x22d/0xd01 [ 381.781529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.786634] ? __lock_is_held+0xb5/0x140 [ 381.790720] ? __lock_is_held+0xb5/0x140 [ 381.794791] ? find_held_lock+0x36/0x1c0 [ 381.798855] ? ___might_sleep+0x1ed/0x300 [ 381.802999] ? lock_release+0x970/0x970 [ 381.806983] ? arch_local_save_flags+0x40/0x40 [ 381.811585] ? __might_sleep+0x95/0x190 [ 381.815569] __alloc_pages_nodemask+0xa80/0xde0 [ 381.820252] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 381.825275] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 381.831071] ? kasan_check_read+0x11/0x20 [ 381.835222] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.840500] ? graph_lock+0x170/0x170 [ 381.844303] ? print_usage_bug+0xc0/0xc0 [ 381.848366] ? graph_lock+0x170/0x170 [ 381.852168] ? graph_lock+0x170/0x170 [ 381.855981] ? __do_page_cache_readahead+0x7ce/0x980 [ 381.861089] ? find_held_lock+0x36/0x1c0 [ 381.865158] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 381.870698] alloc_pages_current+0x10c/0x210 [ 381.875107] ? lock_downgrade+0x900/0x900 [ 381.879259] __page_cache_alloc+0x38f/0x5b0 [ 381.883584] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 381.889380] ? kasan_check_read+0x11/0x20 [ 381.893528] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.898810] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 381.903482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.909015] ? check_preemption_disabled+0x48/0x200 [ 381.914039] filemap_fault+0x1594/0x25f0 [ 381.918115] ? __lock_page_or_retry+0xa00/0xa00 [ 381.922788] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 381.928584] ? kasan_check_read+0x11/0x20 [ 381.932730] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.938006] ? rcu_bh_qs+0xc0/0xc0 [ 381.941565] ? filemap_map_pages+0xdea/0x1980 [ 381.946071] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 381.951182] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 381.956452] ? debug_object_free+0x325/0x690 [ 381.960865] ? find_get_pages_range_tag+0x1320/0x1320 [ 381.966059] ? graph_lock+0x170/0x170 [ 381.969870] ? kasan_check_read+0x11/0x20 [ 381.974017] ? debug_object_destroy+0x2b0/0x2b0 [ 381.978695] ? lock_acquire+0x1ed/0x520 [ 381.982670] ? ext4_filemap_fault+0x7a/0xad [ 381.987007] ? lock_release+0x970/0x970 [ 381.990990] ? arch_local_save_flags+0x40/0x40 [ 381.995585] ? futex_wait_setup+0x3e0/0x3e0 [ 381.999922] ? down_read+0xb0/0x1d0 [ 382.003546] ? ext4_filemap_fault+0x7a/0xad [ 382.007870] ? __down_interruptible+0x700/0x700 [ 382.012570] ext4_filemap_fault+0x82/0xad [ 382.016830] __do_fault+0x100/0x6b0 [ 382.020452] ? print_bad_pte+0x6c0/0x6c0 [ 382.024518] ? do_futex+0x249/0x26d0 [ 382.028235] ? kasan_check_read+0x11/0x20 [ 382.032382] ? pmd_val+0x88/0x100 [ 382.035841] ? add_mm_counter_fast+0xd0/0xd0 [ 382.040255] ? pmd_val+0x88/0x100 [ 382.043708] ? add_mm_counter_fast+0xd0/0xd0 [ 382.048125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.053671] __handle_mm_fault+0x3709/0x53e0 [ 382.058083] ? perf_trace_lock+0x14d/0x7a0 [ 382.062332] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 382.067176] ? graph_lock+0x170/0x170 [ 382.070989] ? print_usage_bug+0xc0/0xc0 [ 382.075057] ? graph_lock+0x170/0x170 [ 382.078860] ? graph_lock+0x170/0x170 [ 382.082690] ? handle_mm_fault+0x42a/0xc70 [ 382.086924] ? lock_downgrade+0x900/0x900 [ 382.091072] ? check_preemption_disabled+0x48/0x200 [ 382.096111] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 382.101922] ? kasan_check_read+0x11/0x20 [ 382.106093] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 382.111394] ? rcu_bh_qs+0xc0/0xc0 [ 382.114938] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.120404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.125948] ? check_preemption_disabled+0x48/0x200 [ 382.131001] handle_mm_fault+0x54f/0xc70 [ 382.135073] ? __handle_mm_fault+0x53e0/0x53e0 [ 382.139664] ? find_vma+0x34/0x190 [ 382.143212] __do_page_fault+0x67d/0xed0 [ 382.147285] ? mm_fault_error+0x380/0x380 [ 382.151932] ? trace_hardirqs_off+0xb8/0x300 [ 382.156368] ? trace_hardirqs_on+0x310/0x310 [ 382.160796] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.166188] ? trace_hardirqs_on+0x310/0x310 [ 382.170618] do_page_fault+0xf2/0x7e0 [ 382.174429] ? vmalloc_sync_all+0x30/0x30 [ 382.178594] ? error_entry+0x70/0xd0 [ 382.182323] ? trace_hardirqs_off_caller+0xbb/0x300 [ 382.187340] ? trace_hardirqs_on_caller+0xc0/0x300 [ 382.192271] ? syscall_return_slowpath+0x5e0/0x5e0 [ 382.197203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.202047] ? trace_hardirqs_off+0x300/0x300 [ 382.206543] ? trace_hardirqs_off_caller+0x300/0x300 [ 382.211661] ? prepare_exit_to_usermode+0x291/0x3b0 [ 382.216680] ? page_fault+0x8/0x30 [ 382.220228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.225090] ? page_fault+0x8/0x30 [ 382.228649] page_fault+0x1e/0x30 [ 382.232112] RIP: 0033:0x45ddf3 [ 382.235322] Code: Bad RIP value. [ 382.238721] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 382.244104] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 382.251387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 382.258663] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 382.265938] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 382.273215] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 382.280515] warn_alloc_show_mem: 1 callbacks suppressed [ 382.280528] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 382.280530] Mem-Info: [ 382.280569] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 382.280569] active_file:16 inactive_file:17 isolated_file:0 [ 382.280569] unevictable:0 dirty:0 writeback:0 unstable:0 [ 382.280569] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 382.280569] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 382.280569] free:13771 free_pcp:233 free_cma:0 [ 382.285905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.293181] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 382.295584] Call Trace: [ 382.328471] Node 0 [ 382.337822] [ 382.365511] 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 [ 382.368083] dump_stack+0x1c4/0x2b4 [ 382.370285] lowmem_reserve[]: [ 382.372432] ? dump_stack_print_info.cold.2+0x52/0x52 [ 382.397906] 0 2815 [ 382.401561] warn_alloc.cold.118+0xb7/0x1bd [ 382.404624] 6318 6318 [ 382.409818] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.412024] Node 0 [ 382.416342] ? lock_downgrade+0x900/0x900 [ 382.418840] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 382.423652] ? trace_hardirqs_off+0xb8/0x300 [ 382.425853] lowmem_reserve[]: 0 [ 382.430010] ? trace_hardirqs_off+0xb8/0x300 [ 382.456789] 0 3503 [ 382.461218] __alloc_pages_slowpath+0x2667/0x2d80 [ 382.464453] 3503 [ 382.468892] ? warn_alloc+0x120/0x120 [ 382.471080] Node 0 [ 382.475917] ? warn_alloc+0x120/0x120 [ 382.477989] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 382.481757] ? print_usage_bug+0xc0/0xc0 [ 382.483963] lowmem_reserve[]: [ 382.487763] ? warn_alloc+0x120/0x120 [ 382.516123] 0 [ 382.520193] ? print_usage_bug+0xc0/0xc0 [ 382.523263] 0 [ 382.527068] ? check_usage_forwards+0x3e0/0x3e0 [ 382.528833] 0 [ 382.532908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.534679] 0 [ 382.539342] ? should_fail+0x22d/0xd01 [ 382.546651] ? __lock_acquire+0x7ec/0x4ec0 [ 382.548426] Node 0 [ 382.552310] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.556517] DMA: [ 382.558751] ? __lock_acquire+0x7ec/0x4ec0 [ 382.563827] 1*4kB [ 382.565886] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.570096] (U) [ 382.572239] ? __lock_acquire+0x7ec/0x4ec0 [ 382.577317] 0*8kB [ 382.579286] ? should_fail+0x22d/0xd01 [ 382.583495] 0*16kB [ 382.585642] ? mark_held_locks+0x130/0x130 [ 382.589498] 1*32kB [ 382.591729] ? mark_held_locks+0x130/0x130 [ 382.595937] (U) [ 382.598169] ? kasan_check_read+0x11/0x20 [ 382.602381] 2*64kB [ 382.604360] ? __lock_acquire+0x2881/0x4ec0 [ 382.608484] (U) [ 382.610715] ? try_to_wake_up+0x10a/0x12f0 [ 382.615007] 1*128kB (U) [ 382.616991] ? graph_lock+0x170/0x170 [ 382.621198] 1*256kB (U) [ 382.623876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.627649] 0*512kB [ 382.630320] ? check_preemption_disabled+0x48/0x200 [ 382.635827] 1*1024kB [ 382.638143] ? check_preemption_disabled+0x48/0x200 [ 382.643133] (U) [ 382.645590] ? __lock_is_held+0xb5/0x140 [ 382.650575] 1*2048kB [ 382.652548] __alloc_pages_nodemask+0xa80/0xde0 [ 382.656580] (M) [ 382.658990] ? graph_lock+0x170/0x170 [ 382.663627] 3*4096kB (M) [ 382.665606] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 382.669378] = 15908kB [ 382.672128] ? graph_lock+0x170/0x170 [ 382.677121] Node 0 [ 382.679538] ? find_held_lock+0x36/0x1c0 [ 382.683305] DMA32: [ 382.685543] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.689572] 3*4kB [ 382.691804] ? lock_downgrade+0x900/0x900 [ 382.696444] (M) [ 382.698600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.702716] 2*8kB [ 382.704688] cache_grow_begin+0x91/0x8c0 [ 382.710193] (M) [ 382.712338] ? do_raw_spin_unlock+0xa7/0x2f0 [ 382.716373] 2*16kB [ 382.718351] fallback_alloc+0x203/0x2e0 [ 382.722726] (UM) [ 382.724959] ____cache_alloc_node+0x1c7/0x1e0 [ 382.728909] 1*32kB [ 382.730977] kmem_cache_alloc_node+0xe3/0x730 [ 382.735444] (M) [ 382.737677] ? do_raw_spin_unlock+0xa7/0x2f0 [ 382.742140] 3*64kB [ 382.744110] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 382.748489] (UM) [ 382.750726] __alloc_skb+0x119/0x770 [ 382.755281] 3*128kB [ 382.757338] ? skb_scrub_packet+0x490/0x490 [ 382.761021] (M) [ 382.763344] ? atomic_notifier_call_chain+0xc6/0x190 [ 382.767633] 2*256kB [ 382.769602] ? lock_downgrade+0x900/0x900 [ 382.774678] (M) [ 382.777001] ? check_preemption_disabled+0x48/0x200 [ 382.781122] 3*512kB [ 382.783100] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 382.788080] (M) 4*1024kB [ 382.790407] ? kasan_check_read+0x11/0x20 [ 382.796180] (UM) [ 382.798935] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 382.803049] 3*2048kB (M) 3*4096kB [ 382.805118] ? rcu_bh_qs+0xc0/0xc0 [ 382.810360] (M) = 25244kB [ 382.813905] ? find_next_bit+0x104/0x130 [ 382.817420] Node 0 [ 382.820176] ? do_raw_write_trylock+0x1c0/0x1c0 [ 382.824209] Normal: [ 382.826446] __neigh_notify+0x8c/0x160 [ 382.831082] 1139*4kB [ 382.833403] ? __neigh_event_send+0x1390/0x1390 [ 382.837427] (MEH) 438*8kB [ 382.839862] neigh_timer_handler+0x6cb/0xdf0 [ 382.844500] (UME) [ 382.847342] ? neigh_invalidate+0x550/0x550 [ 382.851723] 175*16kB [ 382.853870] ? __lock_is_held+0xb5/0x140 [ 382.858157] (UME) 64*32kB [ 382.860585] call_timer_fn+0x272/0x920 [ 382.864611] (UMEH) [ 382.867451] ? neigh_invalidate+0x550/0x550 [ 382.871311] 14*64kB [ 382.873540] ? process_timeout+0x40/0x40 [ 382.877833] (UM) [ 382.880149] ? find_held_lock+0x36/0x1c0 [ 382.884184] 1*128kB [ 382.886247] ? __run_timers+0x7da/0xc70 [ 382.890274] (H) [ 382.892594] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.896542] 0*256kB [ 382.898507] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.898527] ? neigh_invalidate+0x550/0x550 [ 382.902995] 0*512kB [ 382.905314] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 382.909783] 0*1024kB [ 382.914099] ? trace_hardirqs_on+0xbd/0x310 [ 382.916400] 0*2048kB [ 382.920986] ? kasan_check_read+0x11/0x20 [ 382.923373] 0*4096kB [ 382.927709] ? __run_timers+0x7da/0xc70 [ 382.930123] = 13932kB [ 382.934274] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.936659] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 382.940637] ? neigh_invalidate+0x550/0x550 [ 382.943017] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 382.948459] __run_timers+0x7e5/0xc70 [ 382.957270] 788 total pagecache pages [ 382.961621] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 382.970166] 0 pages in swap cache [ 382.973959] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 382.977738] Swap cache stats: add 0, delete 0, find 0/0 [ 382.983115] ? graph_lock+0x170/0x170 [ 382.986541] Free swap = 0kB [ 382.991551] ? enqueue_hrtimer+0x1a5/0x560 [ 382.996892] Total swap = 0kB [ 383.000690] ? lock_release+0x970/0x970 [ 383.003679] 1965979 pages RAM [ 383.007913] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 383.010907] 0 pages HighMem/MovableOnly [ 383.014882] ? find_held_lock+0x36/0x1c0 [ 383.017957] 343323 pages reserved [ 383.023150] ? graph_lock+0x170/0x170 [ 383.027103] 0 pages cma reserved [ 383.031157] ? pvclock_read_flags+0x160/0x160 [ 383.034699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.039169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.042612] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.047003] ? check_preemption_disabled+0x48/0x200 [ 383.053474] syz-fuzzer cpuset= [ 383.059020] ? __lock_is_held+0xb5/0x140 [ 383.069210] / [ 383.074226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.077389] mems_allowed=0 [ 383.081437] ? check_preemption_disabled+0x48/0x200 [ 383.096596] run_timer_softirq+0x52/0xb0 [ 383.100667] ? rcu_read_lock_sched_held+0x108/0x120 [ 383.105693] __do_softirq+0x30b/0xad8 [ 383.109513] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 383.114629] ? pvclock_read_flags+0x160/0x160 [ 383.119133] ? lapic_next_event+0x5a/0x90 [ 383.123292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.128836] ? check_preemption_disabled+0x48/0x200 [ 383.133865] ? check_preemption_disabled+0x48/0x200 [ 383.138896] ? kvm_clock_read+0x18/0x30 [ 383.142876] ? kvm_sched_clock_read+0x9/0x20 [ 383.147294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.152849] ? check_preemption_disabled+0x48/0x200 [ 383.157900] irq_exit+0x17f/0x1c0 [ 383.161377] smp_apic_timer_interrupt+0x1cb/0x760 [ 383.166241] ? smp_reschedule_interrupt+0x109/0x650 [ 383.171277] ? smp_call_function_single_interrupt+0x650/0x650 [ 383.177175] ? interrupt_entry+0xb5/0xf0 [ 383.181248] ? trace_hardirqs_off_caller+0xbb/0x300 [ 383.186270] ? trace_hardirqs_off_caller+0xbb/0x300 [ 383.191304] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.196153] ? trace_hardirqs_off+0x300/0x300 [ 383.200653] ? trace_hardirqs_off+0x300/0x300 [ 383.205159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.210709] ? check_preemption_disabled+0x48/0x200 [ 383.215750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.221327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.226202] apic_timer_interrupt+0xf/0x20 [ 383.230442] [ 383.232697] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 383.237641] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 383.256552] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 383.264272] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 383.271543] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 383.278823] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 383.286112] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 383.293402] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 383.300750] skb_clone+0x1bb/0x500 [ 383.304347] ? finish_task_switch+0x2f5/0x900 [ 383.308882] ? skb_split+0x11e0/0x11e0 [ 383.312784] ? preempt_notifier_register+0x200/0x200 [ 383.317892] ? __switch_to_asm+0x34/0x70 [ 383.321956] ? __switch_to_asm+0x34/0x70 [ 383.326027] ? __switch_to_asm+0x40/0x70 [ 383.330092] ? __switch_to_asm+0x34/0x70 [ 383.334240] ? __switch_to_asm+0x40/0x70 [ 383.338303] ? __switch_to_asm+0x34/0x70 [ 383.342365] ? __switch_to_asm+0x40/0x70 [ 383.346428] ? __switch_to_asm+0x34/0x70 [ 383.350494] ? __switch_to_asm+0x34/0x70 [ 383.354557] ? __switch_to_asm+0x40/0x70 [ 383.358618] ? __switch_to_asm+0x34/0x70 [ 383.362697] bpf_clone_redirect+0xb9/0x490 [ 383.366938] ? __schedule+0x874/0x1ed0 [ 383.370843] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 383.375863] ? __sched_text_start+0x8/0x8 [ 383.380016] ? retint_kernel+0x2d/0x2d [ 383.383915] ? find_held_lock+0x36/0x1c0 [ 383.387991] ? lock_acquire+0x1ed/0x520 [ 383.391977] ? bpf_test_run+0x32e/0x5a0 [ 383.395956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.401505] ? check_preemption_disabled+0x48/0x200 [ 383.406527] ? kasan_check_read+0x11/0x20 [ 383.410680] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 383.415959] ? rcu_bh_qs+0xc0/0xc0 [ 383.419514] ? preempt_schedule+0x4d/0x60 [ 383.423668] ? ___preempt_schedule+0x16/0x18 [ 383.428096] ? bpf_test_run+0x1c0/0x5a0 [ 383.432091] ? netlink_diag_dump+0x2a0/0x2a0 [ 383.436506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.442043] ? bpf_test_init.isra.9+0x70/0x100 [ 383.446637] ? bpf_prog_test_run_skb+0x634/0xb40 [ 383.451404] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 383.456250] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 383.461789] ? fput+0x130/0x1a0 [ 383.465076] ? __bpf_prog_get+0x9b/0x290 [ 383.469145] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 383.473994] ? bpf_prog_test_run+0x130/0x1a0 [ 383.478410] ? __x64_sys_bpf+0x3d8/0x510 [ 383.482472] ? bpf_prog_get+0x20/0x20 [ 383.486287] ? ksys_ioctl+0x81/0xd0 [ 383.489923] ? do_syscall_64+0x1b9/0x820 [ 383.493993] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 383.499361] ? syscall_return_slowpath+0x5e0/0x5e0 [ 383.504294] ? trace_hardirqs_off+0x300/0x300 [ 383.508791] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 383.513807] ? recalc_sigpending_tsk+0x180/0x180 [ 383.518565] ? kasan_check_write+0x14/0x20 [ 383.522835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.527692] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 383.533118] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 383.533276] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.540055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.550531] syz-executor6 cpuset= [ 383.559871] Call Trace: [ 383.559883] [ 383.563324] syz6 [ 383.565908] dump_stack+0x1c4/0x2b4 [ 383.568029] mems_allowed=0 [ 383.570004] ? dump_stack_print_info.cold.2+0x52/0x52 [ 383.581745] warn_alloc.cold.118+0xb7/0x1bd [ 383.586074] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.590925] ? lock_downgrade+0x900/0x900 [ 383.595084] ? trace_hardirqs_off+0xb8/0x300 [ 383.599499] ? trace_hardirqs_off+0xb8/0x300 [ 383.603921] __alloc_pages_slowpath+0x2667/0x2d80 [ 383.608796] ? warn_alloc+0x120/0x120 [ 383.612600] ? graph_lock+0x170/0x170 [ 383.616402] ? warn_alloc+0x120/0x120 [ 383.620210] ? print_usage_bug+0xc0/0xc0 [ 383.624273] ? warn_alloc+0x120/0x120 [ 383.628078] ? print_usage_bug+0xc0/0xc0 [ 383.632145] ? __lock_acquire+0x7ec/0x4ec0 [ 383.636381] ? __lock_acquire+0x7ec/0x4ec0 [ 383.640620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.646163] ? should_fail+0x22d/0xd01 [ 383.650057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.655162] ? __lock_acquire+0x7ec/0x4ec0 [ 383.659404] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.664504] ? __lock_acquire+0x7ec/0x4ec0 [ 383.668735] ? should_fail+0x22d/0xd01 [ 383.672631] ? mark_held_locks+0x130/0x130 [ 383.676872] ? mark_held_locks+0x130/0x130 [ 383.681116] ? graph_lock+0x170/0x170 [ 383.684917] ? graph_lock+0x170/0x170 [ 383.688721] ? graph_lock+0x170/0x170 [ 383.692521] ? print_usage_bug+0xc0/0xc0 [ 383.696589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.702175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.707715] ? check_preemption_disabled+0x48/0x200 [ 383.712729] ? check_preemption_disabled+0x48/0x200 [ 383.717757] ? __lock_is_held+0xb5/0x140 [ 383.721827] __alloc_pages_nodemask+0xa80/0xde0 [ 383.726498] ? graph_lock+0x170/0x170 [ 383.730305] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 383.735321] ? graph_lock+0x170/0x170 [ 383.739135] ? find_held_lock+0x36/0x1c0 [ 383.743211] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.747884] ? lock_downgrade+0x900/0x900 [ 383.752045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.757598] cache_grow_begin+0x91/0x8c0 [ 383.761661] ? do_raw_spin_unlock+0xa7/0x2f0 [ 383.766081] fallback_alloc+0x203/0x2e0 [ 383.770063] ____cache_alloc_node+0x1c7/0x1e0 [ 383.774575] kmem_cache_alloc_node+0xe3/0x730 [ 383.779077] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.783327] __alloc_skb+0x119/0x770 [ 383.787045] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 383.792330] ? skb_scrub_packet+0x490/0x490 [ 383.796652] ? lock_downgrade+0x900/0x900 [ 383.800812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.806355] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.811816] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.817271] ? addrconf_rs_timer+0x6f0/0x6f0 [ 383.821694] ndisc_alloc_skb+0x144/0x340 [ 383.825767] ndisc_send_rs+0x331/0x6e0 [ 383.829662] addrconf_rs_timer+0x3c0/0x6f0 [ 383.833905] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.838158] call_timer_fn+0x272/0x920 [ 383.842048] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.846290] ? process_timeout+0x40/0x40 [ 383.850350] ? find_held_lock+0x36/0x1c0 [ 383.854418] ? mark_held_locks+0xc7/0x130 [ 383.858581] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.863076] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.867580] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.871824] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 383.876411] ? trace_hardirqs_on+0xbd/0x310 [ 383.880729] ? kasan_check_read+0x11/0x20 [ 383.884883] ? __run_timers+0x7da/0xc70 [ 383.888861] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.894322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.898571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.902812] __run_timers+0x7e5/0xc70 [ 383.906632] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 383.912010] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 383.917291] ? rcu_bh_qs+0xc0/0xc0 [ 383.920838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.926385] ? mark_held_locks+0xc7/0x130 [ 383.930543] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 383.935311] ? retint_kernel+0x2d/0x2d [ 383.939203] ? trace_hardirqs_on_caller+0xc0/0x300 [ 383.944139] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 383.948916] ? trace_hardirqs_off_caller+0x300/0x300 [ 383.954022] ? check_preemption_disabled+0x48/0x200 [ 383.959040] ? graph_lock+0x170/0x170 [ 383.962854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.968390] ? check_preemption_disabled+0x48/0x200 [ 383.973422] ? __lock_is_held+0xb5/0x140 [ 383.977486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.983030] ? check_preemption_disabled+0x48/0x200 [ 383.988092] run_timer_softirq+0x52/0xb0 [ 383.992161] ? rcu_read_lock_sched_held+0x108/0x120 [ 383.997189] __do_softirq+0x30b/0xad8 [ 384.001012] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 384.006130] ? pvclock_read_flags+0x160/0x160 [ 384.010626] ? lapic_next_event+0x5a/0x90 [ 384.014778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.020612] ? check_preemption_disabled+0x48/0x200 [ 384.025632] ? check_preemption_disabled+0x48/0x200 [ 384.030660] ? kvm_clock_read+0x18/0x30 [ 384.034639] ? kvm_sched_clock_read+0x9/0x20 [ 384.039060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.044602] ? check_preemption_disabled+0x48/0x200 [ 384.049635] irq_exit+0x17f/0x1c0 [ 384.053100] smp_apic_timer_interrupt+0x1cb/0x760 [ 384.057965] ? smp_call_function_single_interrupt+0x650/0x650 [ 384.063879] ? interrupt_entry+0xb5/0xf0 [ 384.067952] ? trace_hardirqs_off_caller+0xbb/0x300 [ 384.072989] ? trace_hardirqs_off_caller+0xbb/0x300 [ 384.078011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.082858] ? trace_hardirqs_off+0x300/0x300 [ 384.087358] ? trace_hardirqs_off+0x300/0x300 [ 384.091855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.097397] ? check_preemption_disabled+0x48/0x200 [ 384.102414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.107974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.112835] apic_timer_interrupt+0xf/0x20 [ 384.117067] [ 384.119311] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 384.124597] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 384.143516] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 384.152179] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 384.159475] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 384.166766] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 384.174580] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 384.181891] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 384.189213] ? arch_local_irq_restore+0x45/0x52 [ 384.193928] dump_stack+0x26a/0x2b4 [ 384.197587] ? dump_stack_print_info.cold.2+0x52/0x52 [ 384.202802] ? mark_held_locks+0x130/0x130 [ 384.207056] ? mark_held_locks+0x130/0x130 [ 384.211322] dump_header+0x27b/0xf72 [ 384.215082] ? pagefault_out_of_memory+0x197/0x197 [ 384.220048] ? mark_held_locks+0x130/0x130 [ 384.224311] ? __lock_acquire+0x7ec/0x4ec0 [ 384.228574] ? mem_cgroup_charge_statistics+0x780/0x780 [ 384.233958] ? print_usage_bug+0xc0/0xc0 [ 384.238043] ? print_usage_bug+0xc0/0xc0 [ 384.242129] ? graph_lock+0x170/0x170 [ 384.245935] ? graph_lock+0x170/0x170 [ 384.249756] ? print_usage_bug+0xc0/0xc0 [ 384.253817] ? print_usage_bug+0xc0/0xc0 [ 384.257903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.263476] ? find_held_lock+0x36/0x1c0 [ 384.267590] ? mark_held_locks+0xc7/0x130 [ 384.271776] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 384.276919] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 384.282113] ? lockdep_hardirqs_on+0x421/0x5c0 [ 384.286733] ? trace_hardirqs_on+0xbd/0x310 [ 384.291088] ? kasan_check_read+0x11/0x20 [ 384.295272] ? ___ratelimit+0x36f/0x655 [ 384.299261] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.304726] ? trace_hardirqs_on+0x310/0x310 [ 384.309143] ? lock_downgrade+0x900/0x900 [ 384.313309] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 384.318424] ? ___ratelimit+0xaa/0x655 [ 384.322323] ? idr_get_free+0xec0/0xec0 [ 384.326303] ? kasan_check_write+0x14/0x20 [ 384.330547] ? do_raw_spin_lock+0xc1/0x200 [ 384.334803] oom_kill_process.cold.27+0x10/0x903 [ 384.339591] ? graph_lock+0x170/0x170 [ 384.343421] ? _raw_spin_unlock+0x2c/0x50 [ 384.347604] ? oom_badness+0xe6/0xaa0 [ 384.351445] ? oom_evaluate_task+0x540/0x540 [ 384.355891] ? find_held_lock+0x36/0x1c0 [ 384.359998] ? out_of_memory+0x974/0x14c0 [ 384.364174] ? lock_downgrade+0x900/0x900 [ 384.368337] ? check_preemption_disabled+0x48/0x200 [ 384.373386] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 384.379196] ? kasan_check_read+0x11/0x20 [ 384.383364] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.388654] ? rcu_bh_qs+0xc0/0xc0 [ 384.392206] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 384.397233] ? oom_evaluate_task+0x302/0x540 [ 384.401653] out_of_memory+0xa86/0x14c0 [ 384.405648] ? oom_killer_disable+0x3a0/0x3a0 [ 384.410161] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 384.415117] ? __mutex_add_waiter+0x2a0/0x2a0 [ 384.419643] __alloc_pages_slowpath+0x2318/0x2d80 [ 384.424525] ? warn_alloc+0x120/0x120 [ 384.428349] ? find_get_entry+0x2f2/0xc40 [ 384.432511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.438052] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 384.442990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.448532] ? should_fail+0x22d/0xd01 [ 384.452429] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.457535] ? __lock_is_held+0xb5/0x140 [ 384.461627] ? __lock_is_held+0xb5/0x140 [ 384.465699] ? find_held_lock+0x36/0x1c0 [ 384.469767] ? ___might_sleep+0x1ed/0x300 [ 384.473917] ? lock_release+0x970/0x970 [ 384.477897] ? arch_local_save_flags+0x40/0x40 [ 384.482493] ? __might_sleep+0x95/0x190 [ 384.486479] __alloc_pages_nodemask+0xa80/0xde0 [ 384.491161] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 384.496188] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 384.501993] ? kasan_check_read+0x11/0x20 [ 384.506179] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.511462] ? graph_lock+0x170/0x170 [ 384.515266] ? print_usage_bug+0xc0/0xc0 [ 384.519329] ? graph_lock+0x170/0x170 [ 384.523130] ? graph_lock+0x170/0x170 [ 384.526935] ? __do_page_cache_readahead+0x7ce/0x980 [ 384.532053] ? find_held_lock+0x36/0x1c0 [ 384.536123] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 384.541670] alloc_pages_current+0x10c/0x210 [ 384.546080] ? lock_downgrade+0x900/0x900 [ 384.550239] __page_cache_alloc+0x38f/0x5b0 [ 384.554571] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 384.560368] ? kasan_check_read+0x11/0x20 [ 384.564525] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.569814] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 384.574491] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.580032] ? check_preemption_disabled+0x48/0x200 [ 384.585063] filemap_fault+0x1594/0x25f0 [ 384.589143] ? __lock_page_or_retry+0xa00/0xa00 [ 384.593818] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 384.599617] ? kasan_check_read+0x11/0x20 [ 384.603798] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.609081] ? rcu_bh_qs+0xc0/0xc0 [ 384.612640] ? filemap_map_pages+0xdea/0x1980 [ 384.617143] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 384.622252] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 384.627529] ? debug_object_free+0x325/0x690 [ 384.632030] ? find_get_pages_range_tag+0x1320/0x1320 [ 384.637240] ? graph_lock+0x170/0x170 [ 384.641047] ? kasan_check_read+0x11/0x20 [ 384.645199] ? debug_object_destroy+0x2b0/0x2b0 [ 384.649881] ? lock_acquire+0x1ed/0x520 [ 384.653860] ? ext4_filemap_fault+0x7a/0xad [ 384.658187] ? lock_release+0x970/0x970 [ 384.662163] ? arch_local_save_flags+0x40/0x40 [ 384.666752] ? futex_wait_setup+0x3e0/0x3e0 [ 384.671091] ? down_read+0xb0/0x1d0 [ 384.674723] ? ext4_filemap_fault+0x7a/0xad [ 384.679049] ? __down_interruptible+0x700/0x700 [ 384.683737] ext4_filemap_fault+0x82/0xad [ 384.687892] __do_fault+0x100/0x6b0 [ 384.691528] ? print_bad_pte+0x6c0/0x6c0 [ 384.695598] ? do_futex+0x249/0x26d0 [ 384.699316] ? kasan_check_read+0x11/0x20 [ 384.703463] ? pmd_val+0x88/0x100 [ 384.706916] ? add_mm_counter_fast+0xd0/0xd0 [ 384.711321] ? pmd_val+0x88/0x100 [ 384.714775] ? add_mm_counter_fast+0xd0/0xd0 [ 384.719188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.724733] __handle_mm_fault+0x3709/0x53e0 [ 384.729145] ? perf_trace_lock+0x14d/0x7a0 [ 384.733392] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 384.738239] ? graph_lock+0x170/0x170 [ 384.742041] ? print_usage_bug+0xc0/0xc0 [ 384.746109] ? graph_lock+0x170/0x170 [ 384.749908] ? graph_lock+0x170/0x170 [ 384.753735] ? handle_mm_fault+0x42a/0xc70 [ 384.757982] ? lock_downgrade+0x900/0x900 [ 384.762135] ? check_preemption_disabled+0x48/0x200 [ 384.767164] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 384.772960] ? kasan_check_read+0x11/0x20 [ 384.777122] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.782400] ? rcu_bh_qs+0xc0/0xc0 [ 384.785942] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.791404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.796944] ? check_preemption_disabled+0x48/0x200 [ 384.801995] handle_mm_fault+0x54f/0xc70 [ 384.806070] ? __handle_mm_fault+0x53e0/0x53e0 [ 384.810660] ? find_vma+0x34/0x190 [ 384.814208] __do_page_fault+0x67d/0xed0 [ 384.818279] ? mm_fault_error+0x380/0x380 [ 384.822428] ? trace_hardirqs_off+0xb8/0x300 [ 384.826835] ? trace_hardirqs_on+0x310/0x310 [ 384.831244] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.836609] ? trace_hardirqs_on+0x310/0x310 [ 384.841025] do_page_fault+0xf2/0x7e0 [ 384.844827] ? vmalloc_sync_all+0x30/0x30 [ 384.848985] ? error_entry+0x70/0xd0 [ 384.852702] ? trace_hardirqs_off_caller+0xbb/0x300 [ 384.857721] ? trace_hardirqs_on_caller+0xc0/0x300 [ 384.862651] ? syscall_return_slowpath+0x5e0/0x5e0 [ 384.867587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.872434] ? trace_hardirqs_off+0x300/0x300 [ 384.876930] ? trace_hardirqs_off_caller+0x300/0x300 [ 384.882059] ? prepare_exit_to_usermode+0x291/0x3b0 [ 384.887082] ? page_fault+0x8/0x30 [ 384.890624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.895472] ? page_fault+0x8/0x30 [ 384.899015] page_fault+0x1e/0x30 [ 384.902469] RIP: 0033:0x45ddf3 [ 384.905665] Code: Bad RIP value. [ 384.909023] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 384.914385] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 384.921652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 384.928918] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 384.936186] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 384.943454] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 384.950753] warn_alloc_show_mem: 1 callbacks suppressed [ 384.950766] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 384.950768] Mem-Info: [ 384.950800] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 384.950800] active_file:16 inactive_file:17 isolated_file:0 [ 384.950800] unevictable:0 dirty:0 writeback:0 unstable:0 [ 384.950800] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 384.950800] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 384.950800] free:13771 free_pcp:233 free_cma:0 [ 384.956140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.963414] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 384.965814] Call Trace: [ 384.998684] Node 0 [ 385.008029] [ 385.035715] 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 [ 385.038300] dump_stack+0x1c4/0x2b4 [ 385.040501] lowmem_reserve[]: [ 385.042645] ? dump_stack_print_info.cold.2+0x52/0x52 [ 385.068128] 0 [ 385.071769] warn_alloc.cold.118+0xb7/0x1bd [ 385.074840] 2815 [ 385.080030] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 385.081804] 6318 [ 385.086120] ? lock_downgrade+0x900/0x900 [ 385.088156] 6318 [ 385.093007] ? trace_hardirqs_off+0xb8/0x300 [ 385.099202] ? trace_hardirqs_off+0xb8/0x300 [ 385.101239] Node 0 [ 385.105646] __alloc_pages_slowpath+0x2667/0x2d80 [ 385.110049] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 385.112281] ? warn_alloc+0x120/0x120 [ 385.117066] lowmem_reserve[]: 0 [ 385.143809] ? warn_alloc+0x120/0x120 [ 385.147583] 0 [ 385.150864] ? print_usage_bug+0xc0/0xc0 [ 385.154657] 3503 [ 385.156456] ? warn_alloc+0x120/0x120 [ 385.160489] 3503 [ 385.162548] ? lock_release+0x970/0x970 [ 385.168378] ? print_usage_bug+0xc0/0xc0 [ 385.172329] Node 0 [ 385.176380] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 385.176416] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 385.178625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.183780] lowmem_reserve[]: [ 385.212172] ? should_fail+0x22d/0xd01 [ 385.217685] 0 [ 385.220797] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.224647] 0 [ 385.226447] ? __lock_acquire+0x7ec/0x4ec0 [ 385.231520] 0 [ 385.233335] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.237537] 0 [ 385.239337] ? __lock_acquire+0x7ec/0x4ec0 [ 385.246209] ? should_fail+0x22d/0xd01 [ 385.250418] Node 0 DMA: 1*4kB [ 385.254318] ? mark_held_locks+0x130/0x130 [ 385.254337] ? mark_held_locks+0x130/0x130 [ 385.257510] (U) [ 385.261755] ? kvm_clock_read+0x18/0x30 [ 385.265979] 0*8kB [ 385.267963] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 385.271928] 0*16kB [ 385.274087] ? ktime_get+0x2e1/0x440 [ 385.279076] 1*32kB [ 385.281318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.284995] (U) [ 385.287231] ? graph_lock+0x170/0x170 [ 385.292740] 2*64kB [ 385.294717] ? print_usage_bug+0xc0/0xc0 [ 385.298503] (U) [ 385.300746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.304777] 1*128kB [ 385.306755] ? check_preemption_disabled+0x48/0x200 [ 385.312267] (U) [ 385.314585] ? check_preemption_disabled+0x48/0x200 [ 385.314615] ? __lock_is_held+0xb5/0x140 [ 385.319595] 1*256kB (U) [ 385.321594] __alloc_pages_nodemask+0xa80/0xde0 [ 385.326592] 0*512kB [ 385.330670] ? graph_lock+0x170/0x170 [ 385.333316] 1*1024kB [ 385.338000] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 385.340290] (U) [ 385.344102] ? graph_lock+0x170/0x170 [ 385.346484] 1*2048kB [ 385.351506] ? find_held_lock+0x36/0x1c0 [ 385.353442] (M) [ 385.357247] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.359623] 3*4096kB [ 385.363676] ? lock_downgrade+0x900/0x900 [ 385.365624] (M) [ 385.370292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.372673] = 15908kB [ 385.376821] cache_grow_begin+0x91/0x8c0 [ 385.378797] Node 0 [ 385.384328] ? do_raw_spin_unlock+0xa7/0x2f0 [ 385.386709] DMA32: [ 385.390784] fallback_alloc+0x203/0x2e0 [ 385.392995] 3*4kB [ 385.397418] ____cache_alloc_node+0x1c7/0x1e0 [ 385.399619] (M) [ 385.403608] kmem_cache_alloc_node+0xe3/0x730 [ 385.405727] 2*8kB [ 385.410232] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.412177] (M) [ 385.416683] __alloc_skb+0x119/0x770 [ 385.418797] 2*16kB [ 385.423044] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 385.424995] (UM) [ 385.428709] ? skb_scrub_packet+0x490/0x490 [ 385.430918] 1*32kB [ 385.436186] ? lock_downgrade+0x900/0x900 [ 385.438219] (M) [ 385.442539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.444739] 3*64kB (UM) [ 385.448909] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.450874] 3*128kB [ 385.456407] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.459051] (M) [ 385.464504] ? addrconf_rs_timer+0x6f0/0x6f0 [ 385.466799] 2*256kB [ 385.472257] ndisc_alloc_skb+0x144/0x340 [ 385.474195] (M) [ 385.478600] ndisc_send_rs+0x331/0x6e0 [ 385.480895] 3*512kB [ 385.485027] addrconf_rs_timer+0x3c0/0x6f0 [ 385.486981] (M) [ 385.490864] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.493162] 4*1024kB [ 385.497399] call_timer_fn+0x272/0x920 [ 385.499344] (UM) [ 385.503569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.505961] 3*2048kB [ 385.509849] ? process_timeout+0x40/0x40 [ 385.511884] (M) [ 385.516111] ? find_held_lock+0x36/0x1c0 [ 385.518497] 3*4096kB [ 385.522557] ? __run_timers+0x7da/0xc70 [ 385.524506] (M) [ 385.528586] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.530967] = 25244kB [ 385.530983] Node 0 [ 385.534955] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.536903] Normal: [ 385.541393] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.543778] 1139*4kB [ 385.546008] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 385.550472] (MEH) [ 385.552790] ? trace_hardirqs_on+0xbd/0x310 [ 385.556996] 438*8kB (UME) [ 385.559408] ? kasan_check_read+0x11/0x20 [ 385.563958] 175*16kB (UME) [ 385.566120] ? __run_timers+0x7da/0xc70 [ 385.570430] 64*32kB [ 385.573267] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.577386] (UMEH) [ 385.580325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.584261] 14*64kB [ 385.586584] __run_timers+0x7e5/0xc70 [ 385.592003] (UM) [ 385.594243] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 385.598443] 1*128kB [ 385.600763] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 385.604534] (H) [ 385.606591] ? graph_lock+0x170/0x170 [ 385.611930] 0*256kB [ 385.614248] ? enqueue_hrtimer+0x1a5/0x560 [ 385.619237] 0*512kB [ 385.621210] ? lock_release+0x970/0x970 [ 385.624988] 0*1024kB [ 385.627307] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 385.631517] 0*2048kB [ 385.633836] ? find_held_lock+0x36/0x1c0 [ 385.637779] 0*4096kB = 13932kB [ 385.640195] ? graph_lock+0x170/0x170 [ 385.645364] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 385.647761] ? pvclock_read_flags+0x160/0x160 [ 385.651799] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 385.655005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.658780] 788 total pagecache pages [ 385.667609] ? check_preemption_disabled+0x48/0x200 [ 385.672085] 0 pages in swap cache [ 385.680661] ? __lock_is_held+0xb5/0x140 [ 385.686169] Swap cache stats: add 0, delete 0, find 0/0 [ 385.689965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.694960] Free swap = 0kB [ 385.698412] ? check_preemption_disabled+0x48/0x200 [ 385.702461] Total swap = 0kB [ 385.707837] run_timer_softirq+0x52/0xb0 [ 385.713342] 1965979 pages RAM [ 385.716352] ? rcu_read_lock_sched_held+0x108/0x120 [ 385.721343] 0 pages HighMem/MovableOnly [ 385.724358] __do_softirq+0x30b/0xad8 [ 385.728393] 343323 pages reserved [ 385.731500] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 385.736478] 0 pages cma reserved [ 385.740447] ? pvclock_read_flags+0x160/0x160 [ 385.744296] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.747661] ? lapic_next_event+0x5a/0x90 [ 385.752892] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.756130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.760610] syz-fuzzer cpuset= [ 385.767126] ? check_preemption_disabled+0x48/0x200 [ 385.771259] / [ 385.781499] ? check_preemption_disabled+0x48/0x200 [ 385.781526] ? kvm_clock_read+0x18/0x30 [ 385.787063] mems_allowed=0 [ 385.790263] ? kvm_sched_clock_read+0x9/0x20 [ 385.813273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.818834] ? check_preemption_disabled+0x48/0x200 [ 385.823879] irq_exit+0x17f/0x1c0 [ 385.827356] smp_apic_timer_interrupt+0x1cb/0x760 [ 385.832225] ? smp_reschedule_interrupt+0x109/0x650 [ 385.837254] ? smp_call_function_single_interrupt+0x650/0x650 [ 385.843145] ? interrupt_entry+0xb5/0xf0 [ 385.847211] ? trace_hardirqs_off_caller+0xbb/0x300 [ 385.852231] ? trace_hardirqs_off_caller+0xbb/0x300 [ 385.857254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.862101] ? trace_hardirqs_off+0x300/0x300 [ 385.866601] ? trace_hardirqs_off+0x300/0x300 [ 385.871102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.876647] ? check_preemption_disabled+0x48/0x200 [ 385.881670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.887248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.892109] apic_timer_interrupt+0xf/0x20 [ 385.896342] [ 385.898588] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 385.903524] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 385.922440] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 385.930170] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 385.937454] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 385.944735] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 385.952014] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 385.959289] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 385.966618] skb_clone+0x1bb/0x500 [ 385.970187] ? finish_task_switch+0x2f5/0x900 [ 385.974686] ? skb_split+0x11e0/0x11e0 [ 385.978580] ? preempt_notifier_register+0x200/0x200 [ 385.983694] ? __switch_to_asm+0x34/0x70 [ 385.987757] ? __switch_to_asm+0x34/0x70 [ 385.991850] ? __switch_to_asm+0x40/0x70 [ 385.995914] ? __switch_to_asm+0x34/0x70 [ 385.999982] ? __switch_to_asm+0x40/0x70 [ 386.004043] ? __switch_to_asm+0x34/0x70 [ 386.008112] ? __switch_to_asm+0x40/0x70 [ 386.012175] ? __switch_to_asm+0x34/0x70 [ 386.016238] ? __switch_to_asm+0x34/0x70 [ 386.020681] ? __switch_to_asm+0x40/0x70 [ 386.024739] ? __switch_to_asm+0x34/0x70 [ 386.028817] bpf_clone_redirect+0xb9/0x490 [ 386.033066] ? __schedule+0x874/0x1ed0 [ 386.036963] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 386.042000] ? __sched_text_start+0x8/0x8 [ 386.046158] ? retint_kernel+0x2d/0x2d [ 386.050087] ? find_held_lock+0x36/0x1c0 [ 386.054160] ? lock_acquire+0x1ed/0x520 [ 386.058134] ? bpf_test_run+0x32e/0x5a0 [ 386.062115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.067655] ? check_preemption_disabled+0x48/0x200 [ 386.072680] ? kasan_check_read+0x11/0x20 [ 386.076834] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 386.082118] ? rcu_bh_qs+0xc0/0xc0 [ 386.085665] ? preempt_schedule+0x4d/0x60 [ 386.089816] ? ___preempt_schedule+0x16/0x18 [ 386.094243] ? bpf_test_run+0x1c0/0x5a0 [ 386.098235] ? netlink_diag_dump+0x2a0/0x2a0 [ 386.102659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.108225] ? bpf_test_init.isra.9+0x70/0x100 [ 386.112850] ? bpf_prog_test_run_skb+0x634/0xb40 [ 386.117631] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 386.122500] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 386.128075] ? fput+0x130/0x1a0 [ 386.131371] ? __bpf_prog_get+0x9b/0x290 [ 386.135442] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 386.140289] ? bpf_prog_test_run+0x130/0x1a0 [ 386.144706] ? __x64_sys_bpf+0x3d8/0x510 [ 386.149141] ? bpf_prog_get+0x20/0x20 [ 386.152955] ? ksys_ioctl+0x81/0xd0 [ 386.156609] ? do_syscall_64+0x1b9/0x820 [ 386.160677] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 386.166047] ? syscall_return_slowpath+0x5e0/0x5e0 [ 386.170993] ? trace_hardirqs_off+0x300/0x300 [ 386.175494] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 386.180519] ? recalc_sigpending_tsk+0x180/0x180 [ 386.185301] ? kasan_check_write+0x14/0x20 [ 386.189569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.194451] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 386.199862] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 386.199956] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.206814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.206821] Call Trace: [ 386.206828] [ 386.206856] dump_stack+0x1c4/0x2b4 [ 386.206870] ? dump_stack_print_info.cold.2+0x52/0x52 [ 386.206897] warn_alloc.cold.118+0xb7/0x1bd [ 386.206916] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.213613] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.222811] ? lock_downgrade+0x900/0x900 [ 386.225364] syz-executor6 cpuset= [ 386.227517] ? trace_hardirqs_off+0xb8/0x300 [ 386.231114] syz6 [ 386.236298] ? trace_hardirqs_off+0xb8/0x300 [ 386.240593] mems_allowed=0 [ 386.245434] __alloc_pages_slowpath+0x2667/0x2d80 [ 386.282029] ? warn_alloc+0x120/0x120 [ 386.285845] ? trace_hardirqs_on+0x310/0x310 [ 386.290268] ? warn_alloc+0x120/0x120 [ 386.294083] ? print_usage_bug+0xc0/0xc0 [ 386.298156] ? warn_alloc+0x120/0x120 [ 386.301987] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 386.307020] ? print_usage_bug+0xc0/0xc0 [ 386.311102] ? __lock_acquire+0x7ec/0x4ec0 [ 386.315355] ? __lock_acquire+0x7ec/0x4ec0 [ 386.319623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.325195] ? should_fail+0x22d/0xd01 [ 386.329115] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.334239] ? __lock_acquire+0x7ec/0x4ec0 [ 386.338493] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.343608] ? __lock_acquire+0x7ec/0x4ec0 [ 386.347851] ? should_fail+0x22d/0xd01 [ 386.351746] ? print_usage_bug+0xc0/0xc0 [ 386.355834] ? mark_held_locks+0x130/0x130 [ 386.360090] ? mark_held_locks+0x130/0x130 [ 386.364347] ? graph_lock+0x170/0x170 [ 386.368163] ? print_usage_bug+0xc0/0xc0 [ 386.372246] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 386.377040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.382613] ? check_preemption_disabled+0x48/0x200 [ 386.387651] ? check_preemption_disabled+0x48/0x200 [ 386.392710] ? __lock_is_held+0xb5/0x140 [ 386.396802] __alloc_pages_nodemask+0xa80/0xde0 [ 386.401492] ? graph_lock+0x170/0x170 [ 386.405309] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 386.410327] ? graph_lock+0x170/0x170 [ 386.414144] ? find_held_lock+0x36/0x1c0 [ 386.418221] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.422894] ? lock_downgrade+0x900/0x900 [ 386.427068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.432630] cache_grow_begin+0x91/0x8c0 [ 386.436716] ? do_raw_spin_unlock+0xa7/0x2f0 [ 386.441159] fallback_alloc+0x203/0x2e0 [ 386.445176] ____cache_alloc_node+0x1c7/0x1e0 [ 386.449716] kmem_cache_alloc_node+0xe3/0x730 [ 386.454247] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.458524] __alloc_skb+0x119/0x770 [ 386.462277] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 386.467595] ? skb_scrub_packet+0x490/0x490 [ 386.471938] ? lock_downgrade+0x900/0x900 [ 386.476114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.481662] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.487132] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.492605] ? addrconf_rs_timer+0x6f0/0x6f0 [ 386.497046] ndisc_alloc_skb+0x144/0x340 [ 386.501129] ndisc_send_rs+0x331/0x6e0 [ 386.505037] addrconf_rs_timer+0x3c0/0x6f0 [ 386.509293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.513554] call_timer_fn+0x272/0x920 [ 386.517458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.521702] ? process_timeout+0x40/0x40 [ 386.525764] ? find_held_lock+0x36/0x1c0 [ 386.529838] ? mark_held_locks+0xc7/0x130 [ 386.534006] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.538509] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.543014] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.547255] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 386.551850] ? trace_hardirqs_on+0xbd/0x310 [ 386.556181] ? kasan_check_read+0x11/0x20 [ 386.560344] ? __run_timers+0x7da/0xc70 [ 386.564331] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.569802] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.574075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.578502] __run_timers+0x7e5/0xc70 [ 386.582333] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 386.587713] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 386.593031] ? rcu_bh_qs+0xc0/0xc0 [ 386.596608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.602187] ? mark_held_locks+0xc7/0x130 [ 386.606376] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 386.611170] ? retint_kernel+0x2d/0x2d [ 386.615086] ? trace_hardirqs_on_caller+0xc0/0x300 [ 386.620044] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 386.624819] ? trace_hardirqs_off_caller+0x300/0x300 [ 386.629943] ? check_preemption_disabled+0x48/0x200 [ 386.635000] ? graph_lock+0x170/0x170 [ 386.638828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.644393] ? check_preemption_disabled+0x48/0x200 [ 386.649450] ? __lock_is_held+0xb5/0x140 [ 386.653538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.659105] ? check_preemption_disabled+0x48/0x200 [ 386.664154] run_timer_softirq+0x52/0xb0 [ 386.668237] ? rcu_read_lock_sched_held+0x108/0x120 [ 386.673279] __do_softirq+0x30b/0xad8 [ 386.677111] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 386.682246] ? pvclock_read_flags+0x160/0x160 [ 386.686759] ? lapic_next_event+0x5a/0x90 [ 386.690925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.696479] ? check_preemption_disabled+0x48/0x200 [ 386.701513] ? check_preemption_disabled+0x48/0x200 [ 386.706559] ? kvm_clock_read+0x18/0x30 [ 386.710568] ? kvm_sched_clock_read+0x9/0x20 [ 386.715005] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.720567] ? check_preemption_disabled+0x48/0x200 [ 386.725618] irq_exit+0x17f/0x1c0 [ 386.729091] smp_apic_timer_interrupt+0x1cb/0x760 [ 386.733952] ? smp_call_function_single_interrupt+0x650/0x650 [ 386.739863] ? interrupt_entry+0xb5/0xf0 [ 386.743944] ? trace_hardirqs_off_caller+0xbb/0x300 [ 386.748988] ? trace_hardirqs_off_caller+0xbb/0x300 [ 386.754025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.758883] ? trace_hardirqs_off+0x300/0x300 [ 386.763392] ? trace_hardirqs_off+0x300/0x300 [ 386.767900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.773453] ? check_preemption_disabled+0x48/0x200 [ 386.778485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.784051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.788927] apic_timer_interrupt+0xf/0x20 [ 386.793170] [ 386.795427] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 386.800724] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 386.819644] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 386.827384] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 386.834679] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 386.841981] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 386.849274] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 386.856570] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 386.863893] ? arch_local_irq_restore+0x45/0x52 [ 386.868611] dump_stack+0x26a/0x2b4 [ 386.872276] ? dump_stack_print_info.cold.2+0x52/0x52 [ 386.877494] ? mark_held_locks+0x130/0x130 [ 386.881746] ? mark_held_locks+0x130/0x130 [ 386.886008] dump_header+0x27b/0xf72 [ 386.889753] ? pagefault_out_of_memory+0x197/0x197 [ 386.894703] ? mark_held_locks+0x130/0x130 [ 386.898956] ? __lock_acquire+0x7ec/0x4ec0 [ 386.903215] ? mem_cgroup_charge_statistics+0x780/0x780 [ 386.908598] ? print_usage_bug+0xc0/0xc0 [ 386.912672] ? print_usage_bug+0xc0/0xc0 [ 386.916770] ? graph_lock+0x170/0x170 [ 386.920582] ? graph_lock+0x170/0x170 [ 386.924399] ? print_usage_bug+0xc0/0xc0 [ 386.928467] ? print_usage_bug+0xc0/0xc0 [ 386.932554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.938119] ? find_held_lock+0x36/0x1c0 [ 386.942202] ? mark_held_locks+0xc7/0x130 [ 386.946366] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 386.951484] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 386.956607] ? lockdep_hardirqs_on+0x421/0x5c0 [ 386.961205] ? trace_hardirqs_on+0xbd/0x310 [ 386.965537] ? kasan_check_read+0x11/0x20 [ 386.969704] ? ___ratelimit+0x36f/0x655 [ 386.973689] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.979154] ? trace_hardirqs_on+0x310/0x310 [ 386.983585] ? lock_downgrade+0x900/0x900 [ 386.987758] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 386.992877] ? ___ratelimit+0xaa/0x655 [ 386.996789] ? idr_get_free+0xec0/0xec0 [ 387.000782] ? kasan_check_write+0x14/0x20 [ 387.005040] ? do_raw_spin_lock+0xc1/0x200 [ 387.009309] oom_kill_process.cold.27+0x10/0x903 [ 387.014093] ? graph_lock+0x170/0x170 [ 387.017914] ? _raw_spin_unlock+0x2c/0x50 [ 387.022094] ? oom_badness+0xe6/0xaa0 [ 387.026028] ? oom_evaluate_task+0x540/0x540 [ 387.030484] ? find_held_lock+0x36/0x1c0 [ 387.034604] ? out_of_memory+0x974/0x14c0 [ 387.038791] ? lock_downgrade+0x900/0x900 [ 387.042978] ? check_preemption_disabled+0x48/0x200 [ 387.048044] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 387.053871] ? kasan_check_read+0x11/0x20 [ 387.058051] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.063624] ? rcu_bh_qs+0xc0/0xc0 [ 387.067200] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 387.072245] ? oom_evaluate_task+0x302/0x540 [ 387.076686] out_of_memory+0xa86/0x14c0 [ 387.080693] ? oom_killer_disable+0x3a0/0x3a0 [ 387.085221] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 387.090194] ? __mutex_add_waiter+0x2a0/0x2a0 [ 387.094739] __alloc_pages_slowpath+0x2318/0x2d80 [ 387.099657] ? warn_alloc+0x120/0x120 [ 387.103509] ? find_get_entry+0x2f2/0xc40 [ 387.107705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.113284] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 387.118245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.123819] ? should_fail+0x22d/0xd01 [ 387.127759] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.132892] ? __lock_is_held+0xb5/0x140 [ 387.137018] ? __lock_is_held+0xb5/0x140 [ 387.141115] ? find_held_lock+0x36/0x1c0 [ 387.145205] ? ___might_sleep+0x1ed/0x300 [ 387.149856] ? lock_release+0x970/0x970 [ 387.153861] ? arch_local_save_flags+0x40/0x40 [ 387.158485] ? __might_sleep+0x95/0x190 [ 387.162492] __alloc_pages_nodemask+0xa80/0xde0 [ 387.167203] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 387.172268] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 387.178105] ? kasan_check_read+0x11/0x20 [ 387.182304] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.187634] ? graph_lock+0x170/0x170 [ 387.191473] ? print_usage_bug+0xc0/0xc0 [ 387.195583] ? graph_lock+0x170/0x170 [ 387.199421] ? graph_lock+0x170/0x170 [ 387.203250] ? __do_page_cache_readahead+0x7ce/0x980 [ 387.208387] ? find_held_lock+0x36/0x1c0 [ 387.212476] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 387.218040] alloc_pages_current+0x10c/0x210 [ 387.222474] ? lock_downgrade+0x900/0x900 [ 387.226646] __page_cache_alloc+0x38f/0x5b0 [ 387.230994] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 387.236811] ? kasan_check_read+0x11/0x20 [ 387.240993] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.246298] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 387.251009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.256571] ? check_preemption_disabled+0x48/0x200 [ 387.261632] filemap_fault+0x1594/0x25f0 [ 387.265750] ? __lock_page_or_retry+0xa00/0xa00 [ 387.270445] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 387.276265] ? kasan_check_read+0x11/0x20 [ 387.280442] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.285744] ? rcu_bh_qs+0xc0/0xc0 [ 387.289316] ? filemap_map_pages+0xdea/0x1980 [ 387.293832] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 387.298958] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 387.304262] ? debug_object_free+0x325/0x690 [ 387.308700] ? find_get_pages_range_tag+0x1320/0x1320 [ 387.313917] ? graph_lock+0x170/0x170 [ 387.317742] ? kasan_check_read+0x11/0x20 [ 387.321912] ? debug_object_destroy+0x2b0/0x2b0 [ 387.326621] ? lock_acquire+0x1ed/0x520 [ 387.330618] ? ext4_filemap_fault+0x7a/0xad [ 387.334978] ? lock_release+0x970/0x970 [ 387.338986] ? arch_local_save_flags+0x40/0x40 [ 387.343601] ? futex_wait_setup+0x3e0/0x3e0 [ 387.347958] ? down_read+0xb0/0x1d0 [ 387.351612] ? ext4_filemap_fault+0x7a/0xad [ 387.355961] ? __down_interruptible+0x700/0x700 [ 387.360691] ext4_filemap_fault+0x82/0xad [ 387.364879] __do_fault+0x100/0x6b0 [ 387.368558] ? print_bad_pte+0x6c0/0x6c0 [ 387.372662] ? do_futex+0x249/0x26d0 [ 387.376412] ? kasan_check_read+0x11/0x20 [ 387.380600] ? pmd_val+0x88/0x100 [ 387.384081] ? add_mm_counter_fast+0xd0/0xd0 [ 387.388519] ? pmd_val+0x88/0x100 [ 387.392009] ? add_mm_counter_fast+0xd0/0xd0 [ 387.396452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.402032] __handle_mm_fault+0x3709/0x53e0 [ 387.406469] ? perf_trace_lock+0x14d/0x7a0 [ 387.410743] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 387.415624] ? graph_lock+0x170/0x170 [ 387.419460] ? print_usage_bug+0xc0/0xc0 [ 387.423571] ? graph_lock+0x170/0x170 [ 387.427408] ? graph_lock+0x170/0x170 [ 387.431271] ? handle_mm_fault+0x42a/0xc70 [ 387.435542] ? lock_downgrade+0x900/0x900 [ 387.439747] ? check_preemption_disabled+0x48/0x200 [ 387.444810] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 387.450636] ? kasan_check_read+0x11/0x20 [ 387.454821] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.460136] ? rcu_bh_qs+0xc0/0xc0 [ 387.463701] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.469200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.474769] ? check_preemption_disabled+0x48/0x200 [ 387.479827] handle_mm_fault+0x54f/0xc70 [ 387.483925] ? __handle_mm_fault+0x53e0/0x53e0 [ 387.488547] ? find_vma+0x34/0x190 [ 387.492136] __do_page_fault+0x67d/0xed0 [ 387.496245] ? mm_fault_error+0x380/0x380 [ 387.500427] ? trace_hardirqs_off+0xb8/0x300 [ 387.504872] ? trace_hardirqs_on+0x310/0x310 [ 387.509319] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.514723] ? trace_hardirqs_on+0x310/0x310 [ 387.519172] do_page_fault+0xf2/0x7e0 [ 387.523011] ? vmalloc_sync_all+0x30/0x30 [ 387.527190] ? error_entry+0x70/0xd0 [ 387.530928] ? trace_hardirqs_off_caller+0xbb/0x300 [ 387.535979] ? trace_hardirqs_on_caller+0xc0/0x300 [ 387.540936] ? syscall_return_slowpath+0x5e0/0x5e0 [ 387.545900] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.550772] ? trace_hardirqs_off+0x300/0x300 [ 387.555297] ? trace_hardirqs_off_caller+0x300/0x300 [ 387.560435] ? prepare_exit_to_usermode+0x291/0x3b0 [ 387.565481] ? page_fault+0x8/0x30 [ 387.569140] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.574024] ? page_fault+0x8/0x30 [ 387.577611] page_fault+0x1e/0x30 [ 387.581088] RIP: 0033:0x45ddf3 [ 387.584305] Code: Bad RIP value. [ 387.587687] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 387.593079] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 387.600372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 387.607663] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 387.614977] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 387.622270] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 387.629597] warn_alloc_show_mem: 1 callbacks suppressed [ 387.629611] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 387.629614] Mem-Info: [ 387.629646] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 387.629646] active_file:16 inactive_file:17 isolated_file:0 [ 387.629646] unevictable:0 dirty:0 writeback:0 unstable:0 [ 387.629646] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 387.629646] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 387.629646] free:13771 free_pcp:233 free_cma:0 [ 387.635003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.635016] Call Trace: [ 387.642320] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 387.644723] [ 387.677609] Node 0 [ 387.686998] dump_stack+0x1c4/0x2b4 [ 387.689593] 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 [ 387.717260] ? dump_stack_print_info.cold.2+0x52/0x52 [ 387.719384] lowmem_reserve[]: [ 387.721635] warn_alloc.cold.118+0xb7/0x1bd [ 387.725223] 0 [ 387.750752] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.755930] 2815 [ 387.759049] ? lock_downgrade+0x900/0x900 [ 387.763344] 6318 [ 387.765162] ? trace_hardirqs_off+0xb8/0x300 [ 387.769963] 6318 [ 387.772058] ? trace_hardirqs_off+0xb8/0x300 [ 387.776173] Node 0 [ 387.778246] __alloc_pages_slowpath+0x2667/0x2d80 [ 387.782642] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 387.784712] ? warn_alloc+0x120/0x120 [ 387.789055] lowmem_reserve[]: 0 [ 387.791317] ? trace_hardirqs_on+0x310/0x310 [ 387.796132] 0 [ 387.822874] ? warn_alloc+0x120/0x120 [ 387.826651] 3503 [ 387.829943] ? print_usage_bug+0xc0/0xc0 [ 387.834315] 3503 [ 387.836133] ? warn_alloc+0x120/0x120 [ 387.839900] Node 0 [ 387.841966] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 387.846025] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 387.848066] ? print_usage_bug+0xc0/0xc0 [ 387.851828] lowmem_reserve[]: [ 387.854072] ? __lock_acquire+0x7ec/0x4ec0 [ 387.859055] 0 [ 387.887469] ? __lock_acquire+0x7ec/0x4ec0 [ 387.891510] 0 [ 387.894625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.898825] 0 [ 387.900634] ? should_fail+0x22d/0xd01 [ 387.904845] 0 [ 387.906661] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.913999] ? __lock_acquire+0x7ec/0x4ec0 [ 387.917857] Node 0 [ 387.919667] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.924728] DMA: 1*4kB [ 387.928993] ? __lock_acquire+0x7ec/0x4ec0 [ 387.931201] (U) [ 387.936316] ? should_fail+0x22d/0xd01 [ 387.938869] 0*8kB [ 387.943110] ? print_usage_bug+0xc0/0xc0 [ 387.945053] 0*16kB [ 387.948951] ? mark_held_locks+0x130/0x130 [ 387.951063] 1*32kB [ 387.955133] ? mark_held_locks+0x130/0x130 [ 387.957337] (U) [ 387.961581] ? graph_lock+0x170/0x170 [ 387.963789] 2*64kB [ 387.968137] ? print_usage_bug+0xc0/0xc0 [ 387.970118] (U) [ 387.973917] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 387.976147] 1*128kB [ 387.980225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.982171] (U) [ 387.986926] ? check_preemption_disabled+0x48/0x200 [ 387.989223] 1*256kB [ 387.994775] ? check_preemption_disabled+0x48/0x200 [ 387.996726] (U) [ 388.001755] ? __lock_is_held+0xb5/0x140 [ 388.004048] 0*512kB [ 388.009087] __alloc_pages_nodemask+0xa80/0xde0 [ 388.011024] 1*1024kB [ 388.015091] ? graph_lock+0x170/0x170 [ 388.017821] (U) [ 388.022510] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 388.024893] 1*2048kB [ 388.028700] ? graph_lock+0x170/0x170 [ 388.028728] ? find_held_lock+0x36/0x1c0 [ 388.030681] (M) [ 388.035728] ? ____cache_alloc_node+0x1c7/0x1e0 [ 388.038111] 3*4096kB [ 388.041925] ? lock_downgrade+0x900/0x900 [ 388.045963] (M) [ 388.047960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.052603] = 15908kB [ 388.052614] Node 0 [ 388.055039] cache_grow_begin+0x91/0x8c0 [ 388.059156] DMA32: [ 388.061142] ? do_raw_spin_unlock+0xa7/0x2f0 [ 388.066652] 3*4kB [ 388.069083] fallback_alloc+0x203/0x2e0 [ 388.071274] (M) [ 388.075345] ____cache_alloc_node+0x1c7/0x1e0 [ 388.077544] 2*8kB [ 388.081961] kmem_cache_alloc_node+0xe3/0x730 [ 388.084070] (M) 2*16kB [ 388.088071] ? ipv6_get_ifaddr+0x42e/0x620 [ 388.090015] (UM) [ 388.094526] __alloc_skb+0x119/0x770 [ 388.096651] 1*32kB [ 388.101161] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 388.103710] (M) [ 388.107957] ? skb_scrub_packet+0x490/0x490 [ 388.110087] 3*64kB [ 388.113804] ? lock_downgrade+0x900/0x900 [ 388.116011] (UM) [ 388.121308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.123253] 3*128kB [ 388.127578] ? refcount_sub_and_test_checked+0x203/0x310 [ 388.129785] (M) [ 388.133937] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.135966] 2*256kB (M) [ 388.141526] ? addrconf_rs_timer+0x6f0/0x6f0 [ 388.143818] 3*512kB [ 388.149715] ndisc_alloc_skb+0x144/0x340 [ 388.151654] (M) [ 388.157118] ndisc_send_rs+0x331/0x6e0 [ 388.159756] 4*1024kB [ 388.164181] addrconf_rs_timer+0x3c0/0x6f0 [ 388.166468] (UM) [ 388.170549] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.172504] 3*2048kB [ 388.176415] call_timer_fn+0x272/0x920 [ 388.178793] (M) [ 388.183044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.185086] 3*4096kB [ 388.189340] ? process_timeout+0x40/0x40 [ 388.191721] (M) [ 388.195629] ? find_held_lock+0x36/0x1c0 [ 388.197586] = 25244kB [ 388.201837] ? __run_timers+0x7da/0xc70 [ 388.204212] Node 0 [ 388.208274] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.210219] Normal: [ 388.214277] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.216657] 1139*4kB [ 388.220631] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.222838] (MEH) [ 388.227337] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 388.229629] 438*8kB [ 388.234131] ? trace_hardirqs_on+0xbd/0x310 [ 388.236510] (UME) [ 388.240750] ? kasan_check_read+0x11/0x20 [ 388.242871] 175*16kB [ 388.247459] ? __run_timers+0x7da/0xc70 [ 388.249750] (UME) [ 388.254085] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.256201] 64*32kB [ 388.260360] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.262741] (UMEH) [ 388.266726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.268839] 14*64kB [ 388.274301] __run_timers+0x7e5/0xc70 [ 388.276643] (UM) [ 388.280905] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 388.283106] 1*128kB [ 388.287368] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 388.289664] (H) [ 388.293461] ? graph_lock+0x170/0x170 [ 388.295500] 0*256kB [ 388.300864] ? enqueue_hrtimer+0x1a5/0x560 [ 388.303167] 0*512kB [ 388.308191] ? lock_release+0x970/0x970 [ 388.310141] 0*1024kB [ 388.313942] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 388.316239] 0*2048kB [ 388.320507] ? find_held_lock+0x36/0x1c0 [ 388.322802] 0*4096kB [ 388.326777] ? graph_lock+0x170/0x170 [ 388.329160] = 13932kB [ 388.334354] ? pvclock_read_flags+0x160/0x160 [ 388.336746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 388.340808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.343200] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 388.347011] ? check_preemption_disabled+0x48/0x200 [ 388.349399] 788 total pagecache pages [ 388.353907] ? __lock_is_held+0xb5/0x140 [ 388.362724] 0 pages in swap cache [ 388.368279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.376835] Swap cache stats: add 0, delete 0, find 0/0 [ 388.376847] Free swap = 0kB [ 388.381884] ? check_preemption_disabled+0x48/0x200 [ 388.385651] Total swap = 0kB [ 388.385661] 1965979 pages RAM [ 388.389737] run_timer_softirq+0x52/0xb0 [ 388.393155] 0 pages HighMem/MovableOnly [ 388.393165] 343323 pages reserved [ 388.398719] ? rcu_read_lock_sched_held+0x108/0x120 [ 388.404056] 0 pages cma reserved [ 388.404150] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.407115] __do_softirq+0x30b/0xad8 [ 388.412266] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.415167] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 388.418243] syz-fuzzer cpuset= [ 388.422319] ? pvclock_read_flags+0x160/0x160 [ 388.426274] / [ 388.429737] ? lapic_next_event+0x5a/0x90 [ 388.434730] mems_allowed=0 [ 388.480195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.485761] ? check_preemption_disabled+0x48/0x200 [ 388.490802] ? check_preemption_disabled+0x48/0x200 [ 388.495849] ? kvm_clock_read+0x18/0x30 [ 388.499831] ? kvm_sched_clock_read+0x9/0x20 [ 388.504255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.509802] ? check_preemption_disabled+0x48/0x200 [ 388.514846] irq_exit+0x17f/0x1c0 [ 388.518312] smp_apic_timer_interrupt+0x1cb/0x760 [ 388.523171] ? smp_reschedule_interrupt+0x109/0x650 [ 388.528208] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.534121] ? interrupt_entry+0xb5/0xf0 [ 388.538210] ? trace_hardirqs_off_caller+0xbb/0x300 [ 388.543253] ? trace_hardirqs_off_caller+0xbb/0x300 [ 388.548309] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.553193] ? trace_hardirqs_off+0x300/0x300 [ 388.557731] ? trace_hardirqs_off+0x300/0x300 [ 388.562263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.567815] ? check_preemption_disabled+0x48/0x200 [ 388.572844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.578406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.583273] apic_timer_interrupt+0xf/0x20 [ 388.587525] [ 388.589773] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 388.594716] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 388.613639] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 388.621377] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 388.628669] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 388.635961] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 388.643258] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 388.650548] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 388.657891] skb_clone+0x1bb/0x500 [ 388.661455] ? finish_task_switch+0x2f5/0x900 [ 388.665978] ? skb_split+0x11e0/0x11e0 [ 388.669887] ? preempt_notifier_register+0x200/0x200 [ 388.675020] ? __switch_to_asm+0x34/0x70 [ 388.679113] ? __switch_to_asm+0x34/0x70 [ 388.683200] ? __switch_to_asm+0x40/0x70 [ 388.687284] ? __switch_to_asm+0x34/0x70 [ 388.691350] ? __switch_to_asm+0x40/0x70 [ 388.695410] ? __switch_to_asm+0x34/0x70 [ 388.699472] ? __switch_to_asm+0x40/0x70 [ 388.703533] ? __switch_to_asm+0x34/0x70 [ 388.707607] ? __switch_to_asm+0x34/0x70 [ 388.711671] ? __switch_to_asm+0x40/0x70 [ 388.715734] ? __switch_to_asm+0x34/0x70 [ 388.719812] bpf_clone_redirect+0xb9/0x490 [ 388.724058] ? __schedule+0x874/0x1ed0 [ 388.727978] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 388.733029] ? __sched_text_start+0x8/0x8 [ 388.737200] ? retint_kernel+0x2d/0x2d [ 388.741109] ? find_held_lock+0x36/0x1c0 [ 388.745186] ? lock_acquire+0x1ed/0x520 [ 388.749168] ? bpf_test_run+0x32e/0x5a0 [ 388.753151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.758698] ? check_preemption_disabled+0x48/0x200 [ 388.763731] ? kasan_check_read+0x11/0x20 [ 388.767889] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 388.773182] ? rcu_bh_qs+0xc0/0xc0 [ 388.776731] ? preempt_schedule+0x4d/0x60 [ 388.780883] ? ___preempt_schedule+0x16/0x18 [ 388.785312] ? bpf_test_run+0x1c0/0x5a0 [ 388.789302] ? netlink_diag_dump+0x2a0/0x2a0 [ 388.793728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.799276] ? bpf_test_init.isra.9+0x70/0x100 [ 388.803874] ? bpf_prog_test_run_skb+0x634/0xb40 [ 388.808650] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 388.813510] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 388.819056] ? fput+0x130/0x1a0 [ 388.822349] ? __bpf_prog_get+0x9b/0x290 [ 388.826426] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 388.831274] ? bpf_prog_test_run+0x130/0x1a0 [ 388.835700] ? __x64_sys_bpf+0x3d8/0x510 [ 388.839771] ? bpf_prog_get+0x20/0x20 [ 388.843587] ? ksys_ioctl+0x81/0xd0 [ 388.847233] ? do_syscall_64+0x1b9/0x820 [ 388.851303] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 388.856683] ? syscall_return_slowpath+0x5e0/0x5e0 [ 388.861623] ? trace_hardirqs_off+0x300/0x300 [ 388.866129] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 388.871157] ? recalc_sigpending_tsk+0x180/0x180 [ 388.875925] ? kasan_check_write+0x14/0x20 [ 388.880182] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.885102] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.890506] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 388.890598] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.897439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.897445] Call Trace: [ 388.897452] [ 388.897476] dump_stack+0x1c4/0x2b4 [ 388.897499] ? dump_stack_print_info.cold.2+0x52/0x52 [ 388.904123] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.913369] warn_alloc.cold.118+0xb7/0x1bd [ 388.915917] syz-executor6 cpuset= [ 388.918067] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.921666] syz6 [ 388.926857] ? lock_downgrade+0x900/0x900 [ 388.937328] mems_allowed=0 [ 388.941653] ? trace_hardirqs_off+0xb8/0x300 [ 388.963355] ? trace_hardirqs_off+0xb8/0x300 [ 388.967789] __alloc_pages_slowpath+0x2667/0x2d80 [ 388.972784] ? warn_alloc+0x120/0x120 [ 388.976605] ? warn_alloc+0x120/0x120 [ 388.980421] ? print_usage_bug+0xc0/0xc0 [ 388.984494] ? warn_alloc+0x120/0x120 [ 388.988314] ? print_usage_bug+0xc0/0xc0 [ 388.992395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.997961] ? should_fail+0x22d/0xd01 [ 389.001887] ? lock_downgrade+0x900/0x900 [ 389.006062] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.011191] ? __lock_acquire+0x7ec/0x4ec0 [ 389.015454] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.020584] ? __lock_acquire+0x7ec/0x4ec0 [ 389.024845] ? should_fail+0x22d/0xd01 [ 389.028774] ? mark_held_locks+0x130/0x130 [ 389.033051] ? mark_held_locks+0x130/0x130 [ 389.037326] ? select_task_rq_fair+0x754/0x34f0 [ 389.042041] ? lock_downgrade+0x900/0x900 [ 389.046218] ? check_preemption_disabled+0x48/0x200 [ 389.051266] ? graph_lock+0x170/0x170 [ 389.055096] ? print_usage_bug+0xc0/0xc0 [ 389.059190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.064754] ? check_preemption_disabled+0x48/0x200 [ 389.069787] ? check_preemption_disabled+0x48/0x200 [ 389.074844] ? __lock_is_held+0xb5/0x140 [ 389.078936] __alloc_pages_nodemask+0xa80/0xde0 [ 389.083664] ? graph_lock+0x170/0x170 [ 389.087493] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 389.092539] ? graph_lock+0x170/0x170 [ 389.096396] ? find_held_lock+0x36/0x1c0 [ 389.100504] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.105199] ? lock_downgrade+0x900/0x900 [ 389.109385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.114959] cache_grow_begin+0x91/0x8c0 [ 389.119056] ? do_raw_spin_unlock+0xa7/0x2f0 [ 389.123494] fallback_alloc+0x203/0x2e0 [ 389.127501] ____cache_alloc_node+0x1c7/0x1e0 [ 389.132041] kmem_cache_alloc_node+0xe3/0x730 [ 389.136580] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.140853] __alloc_skb+0x119/0x770 [ 389.144593] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.150388] ? skb_scrub_packet+0x490/0x490 [ 389.154735] ? lock_downgrade+0x900/0x900 [ 389.158915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.164483] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.169999] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.175518] ? addrconf_rs_timer+0x6f0/0x6f0 [ 389.179995] ndisc_alloc_skb+0x144/0x340 [ 389.184114] ndisc_send_rs+0x331/0x6e0 [ 389.188058] addrconf_rs_timer+0x3c0/0x6f0 [ 389.192344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.196640] call_timer_fn+0x272/0x920 [ 389.200577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.204851] ? process_timeout+0x40/0x40 [ 389.208930] ? find_held_lock+0x36/0x1c0 [ 389.213023] ? mark_held_locks+0xc7/0x130 [ 389.217187] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.221695] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.226202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.230446] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 389.235041] ? trace_hardirqs_on+0xbd/0x310 [ 389.239388] ? kasan_check_read+0x11/0x20 [ 389.243574] ? __run_timers+0x7da/0xc70 [ 389.247576] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.253063] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.257324] __run_timers+0x7e5/0xc70 [ 389.261157] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 389.266536] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.271835] ? rcu_bh_qs+0xc0/0xc0 [ 389.275387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.280939] ? mark_held_locks+0xc7/0x130 [ 389.285105] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 389.289872] ? retint_kernel+0x2d/0x2d [ 389.293765] ? trace_hardirqs_on_caller+0xc0/0x300 [ 389.298706] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 389.303491] ? trace_hardirqs_off_caller+0x300/0x300 [ 389.308614] ? check_preemption_disabled+0x48/0x200 [ 389.313644] ? graph_lock+0x170/0x170 [ 389.317463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.323020] ? check_preemption_disabled+0x48/0x200 [ 389.328064] ? __lock_is_held+0xb5/0x140 [ 389.332136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.337685] ? check_preemption_disabled+0x48/0x200 [ 389.342723] run_timer_softirq+0x52/0xb0 [ 389.346798] ? rcu_read_lock_sched_held+0x108/0x120 [ 389.351828] __do_softirq+0x30b/0xad8 [ 389.355654] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 389.360786] ? pvclock_read_flags+0x160/0x160 [ 389.365312] ? lapic_next_event+0x5a/0x90 [ 389.369475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.375028] ? check_preemption_disabled+0x48/0x200 [ 389.380057] ? check_preemption_disabled+0x48/0x200 [ 389.385097] ? kvm_clock_read+0x18/0x30 [ 389.389084] ? kvm_sched_clock_read+0x9/0x20 [ 389.393508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.399053] ? check_preemption_disabled+0x48/0x200 [ 389.404098] irq_exit+0x17f/0x1c0 [ 389.407579] smp_apic_timer_interrupt+0x1cb/0x760 [ 389.412473] ? smp_call_function_single_interrupt+0x650/0x650 [ 389.418392] ? interrupt_entry+0xb5/0xf0 [ 389.422488] ? trace_hardirqs_off_caller+0xbb/0x300 [ 389.427535] ? trace_hardirqs_off_caller+0xbb/0x300 [ 389.432593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.437468] ? trace_hardirqs_off+0x300/0x300 [ 389.441996] ? trace_hardirqs_off+0x300/0x300 [ 389.446516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.452092] ? check_preemption_disabled+0x48/0x200 [ 389.457164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.462750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.467639] apic_timer_interrupt+0xf/0x20 [ 389.471894] [ 389.474160] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 389.479465] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 389.498392] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 389.506135] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 389.513433] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 389.520728] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 389.528026] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 389.535319] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 389.542640] ? arch_local_irq_restore+0x45/0x52 [ 389.547345] dump_stack+0x26a/0x2b4 [ 389.551000] ? dump_stack_print_info.cold.2+0x52/0x52 [ 389.556212] ? mark_held_locks+0x130/0x130 [ 389.560464] ? mark_held_locks+0x130/0x130 [ 389.564719] dump_header+0x27b/0xf72 [ 389.568460] ? pagefault_out_of_memory+0x197/0x197 [ 389.573406] ? mark_held_locks+0x130/0x130 [ 389.577666] ? __lock_acquire+0x7ec/0x4ec0 [ 389.581932] ? mem_cgroup_charge_statistics+0x780/0x780 [ 389.587339] ? print_usage_bug+0xc0/0xc0 [ 389.591442] ? print_usage_bug+0xc0/0xc0 [ 389.595554] ? graph_lock+0x170/0x170 [ 389.599393] ? graph_lock+0x170/0x170 [ 389.603234] ? print_usage_bug+0xc0/0xc0 [ 389.607322] ? print_usage_bug+0xc0/0xc0 [ 389.611427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.616997] ? find_held_lock+0x36/0x1c0 [ 389.621105] ? mark_held_locks+0xc7/0x130 [ 389.625270] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.630380] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.635498] ? lockdep_hardirqs_on+0x421/0x5c0 [ 389.640092] ? trace_hardirqs_on+0xbd/0x310 [ 389.644426] ? kasan_check_read+0x11/0x20 [ 389.648595] ? ___ratelimit+0x36f/0x655 [ 389.652612] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.658083] ? trace_hardirqs_on+0x310/0x310 [ 389.662503] ? lock_downgrade+0x900/0x900 [ 389.666673] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.671797] ? ___ratelimit+0xaa/0x655 [ 389.675692] ? idr_get_free+0xec0/0xec0 [ 389.679675] ? kasan_check_write+0x14/0x20 [ 389.683920] ? do_raw_spin_lock+0xc1/0x200 [ 389.688176] oom_kill_process.cold.27+0x10/0x903 [ 389.692956] ? graph_lock+0x170/0x170 [ 389.696802] ? _raw_spin_unlock+0x2c/0x50 [ 389.700980] ? oom_badness+0xe6/0xaa0 [ 389.704806] ? oom_evaluate_task+0x540/0x540 [ 389.709252] ? find_held_lock+0x36/0x1c0 [ 389.713344] ? out_of_memory+0x974/0x14c0 [ 389.717507] ? lock_downgrade+0x900/0x900 [ 389.721658] ? check_preemption_disabled+0x48/0x200 [ 389.726691] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 389.732494] ? kasan_check_read+0x11/0x20 [ 389.736671] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.741963] ? rcu_bh_qs+0xc0/0xc0 [ 389.745531] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 389.750561] ? oom_evaluate_task+0x302/0x540 [ 389.754998] out_of_memory+0xa86/0x14c0 [ 389.758997] ? oom_killer_disable+0x3a0/0x3a0 [ 389.763521] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 389.768473] ? __mutex_add_waiter+0x2a0/0x2a0 [ 389.773004] __alloc_pages_slowpath+0x2318/0x2d80 [ 389.777892] ? warn_alloc+0x120/0x120 [ 389.781714] ? find_get_entry+0x2f2/0xc40 [ 389.785882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.791434] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 389.796377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.801944] ? should_fail+0x22d/0xd01 [ 389.805858] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.810985] ? __lock_is_held+0xb5/0x140 [ 389.815094] ? __lock_is_held+0xb5/0x140 [ 389.819196] ? find_held_lock+0x36/0x1c0 [ 389.823281] ? ___might_sleep+0x1ed/0x300 [ 389.827452] ? lock_release+0x970/0x970 [ 389.831458] ? arch_local_save_flags+0x40/0x40 [ 389.836084] ? __might_sleep+0x95/0x190 [ 389.840096] __alloc_pages_nodemask+0xa80/0xde0 [ 389.844799] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 389.849844] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 389.855655] ? kasan_check_read+0x11/0x20 [ 389.859832] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.865145] ? graph_lock+0x170/0x170 [ 389.869000] ? print_usage_bug+0xc0/0xc0 [ 389.873100] ? graph_lock+0x170/0x170 [ 389.876927] ? graph_lock+0x170/0x170 [ 389.880746] ? __do_page_cache_readahead+0x7ce/0x980 [ 389.885880] ? find_held_lock+0x36/0x1c0 [ 389.889967] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 389.895539] alloc_pages_current+0x10c/0x210 [ 389.899968] ? lock_downgrade+0x900/0x900 [ 389.904152] __page_cache_alloc+0x38f/0x5b0 [ 389.908496] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 389.914315] ? kasan_check_read+0x11/0x20 [ 389.918502] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.923820] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 389.928536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.934116] ? check_preemption_disabled+0x48/0x200 [ 389.939180] filemap_fault+0x1594/0x25f0 [ 389.943288] ? __lock_page_or_retry+0xa00/0xa00 [ 389.947990] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 389.953810] ? kasan_check_read+0x11/0x20 [ 389.957992] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.963301] ? rcu_bh_qs+0xc0/0xc0 [ 389.966873] ? filemap_map_pages+0xdea/0x1980 [ 389.971408] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.976545] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 389.981851] ? debug_object_free+0x325/0x690 [ 389.986292] ? find_get_pages_range_tag+0x1320/0x1320 [ 389.991529] ? graph_lock+0x170/0x170 [ 389.995366] ? kasan_check_read+0x11/0x20 [ 389.999542] ? debug_object_destroy+0x2b0/0x2b0 [ 390.004276] ? lock_acquire+0x1ed/0x520 [ 390.008277] ? ext4_filemap_fault+0x7a/0xad [ 390.012628] ? lock_release+0x970/0x970 [ 390.017132] ? arch_local_save_flags+0x40/0x40 [ 390.021761] ? futex_wait_setup+0x3e0/0x3e0 [ 390.026134] ? down_read+0xb0/0x1d0 [ 390.029799] ? ext4_filemap_fault+0x7a/0xad [ 390.034166] ? __down_interruptible+0x700/0x700 [ 390.038903] ext4_filemap_fault+0x82/0xad [ 390.043100] __do_fault+0x100/0x6b0 [ 390.046777] ? print_bad_pte+0x6c0/0x6c0 [ 390.050885] ? do_futex+0x249/0x26d0 [ 390.054638] ? kasan_check_read+0x11/0x20 [ 390.058824] ? pmd_val+0x88/0x100 [ 390.062319] ? add_mm_counter_fast+0xd0/0xd0 [ 390.066769] ? pmd_val+0x88/0x100 [ 390.070264] ? add_mm_counter_fast+0xd0/0xd0 [ 390.074716] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.080298] __handle_mm_fault+0x3709/0x53e0 [ 390.084731] ? perf_trace_lock+0x14d/0x7a0 [ 390.089016] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 390.093886] ? graph_lock+0x170/0x170 [ 390.097708] ? print_usage_bug+0xc0/0xc0 [ 390.101807] ? graph_lock+0x170/0x170 [ 390.105636] ? graph_lock+0x170/0x170 [ 390.109491] ? handle_mm_fault+0x42a/0xc70 [ 390.113749] ? lock_downgrade+0x900/0x900 [ 390.117920] ? check_preemption_disabled+0x48/0x200 [ 390.122994] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 390.128820] ? kasan_check_read+0x11/0x20 [ 390.133001] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 390.138305] ? rcu_bh_qs+0xc0/0xc0 [ 390.141866] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.147345] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.153844] ? check_preemption_disabled+0x48/0x200 [ 390.158894] handle_mm_fault+0x54f/0xc70 [ 390.162991] ? __handle_mm_fault+0x53e0/0x53e0 [ 390.167606] ? find_vma+0x34/0x190 [ 390.171684] __do_page_fault+0x67d/0xed0 [ 390.175787] ? mm_fault_error+0x380/0x380 [ 390.179964] ? trace_hardirqs_off+0xb8/0x300 [ 390.184417] ? trace_hardirqs_on+0x310/0x310 [ 390.188863] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.194266] ? trace_hardirqs_on+0x310/0x310 [ 390.198726] do_page_fault+0xf2/0x7e0 [ 390.202576] ? vmalloc_sync_all+0x30/0x30 [ 390.206762] ? error_entry+0x70/0xd0 [ 390.210513] ? trace_hardirqs_off_caller+0xbb/0x300 [ 390.215557] ? trace_hardirqs_on_caller+0xc0/0x300 [ 390.220519] ? syscall_return_slowpath+0x5e0/0x5e0 [ 390.225474] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.230350] ? trace_hardirqs_off+0x300/0x300 [ 390.234870] ? trace_hardirqs_off_caller+0x300/0x300 [ 390.240016] ? prepare_exit_to_usermode+0x291/0x3b0 [ 390.245057] ? page_fault+0x8/0x30 [ 390.248618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.253476] ? page_fault+0x8/0x30 [ 390.257029] page_fault+0x1e/0x30 [ 390.260490] RIP: 0033:0x45ddf3 [ 390.263691] Code: Bad RIP value. [ 390.267051] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 390.272427] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 390.279714] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 390.287007] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 390.294286] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 390.301570] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 390.308888] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 390.308895] warn_alloc_show_mem: 1 callbacks suppressed [ 390.308903] Mem-Info: [ 390.316187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.321576] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 390.321576] active_file:16 inactive_file:17 isolated_file:0 [ 390.321576] unevictable:0 dirty:0 writeback:0 unstable:0 [ 390.321576] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 390.321576] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 390.321576] free:13771 free_pcp:233 free_cma:0 [ 390.323953] Call Trace: [ 390.333363] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 390.366246] [ 390.368822] Node 0 [ 390.396516] dump_stack+0x1c4/0x2b4 [ 390.398663] 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 [ 390.400875] ? dump_stack_print_info.cold.2+0x52/0x52 [ 390.404498] lowmem_reserve[]: [ 390.430031] warn_alloc.cold.118+0xb7/0x1bd [ 390.435197] 0 2815 [ 390.438320] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.442612] 6318 [ 390.444855] ? lock_downgrade+0x900/0x900 [ 390.449671] 6318 [ 390.451747] ? trace_hardirqs_off+0xb8/0x300 [ 390.455866] Node 0 [ 390.457955] ? trace_hardirqs_off+0xb8/0x300 [ 390.462354] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 390.464572] __alloc_pages_slowpath+0x2667/0x2d80 [ 390.468941] lowmem_reserve[]: 0 [ 390.495808] ? warn_alloc+0x120/0x120 [ 390.500616] 0 [ 390.503911] ? trace_hardirqs_on+0x310/0x310 [ 390.507686] 3503 [ 390.509498] ? warn_alloc+0x120/0x120 [ 390.513879] 3503 [ 390.515947] ? print_usage_bug+0xc0/0xc0 [ 390.521780] ? warn_alloc+0x120/0x120 [ 390.525813] Node 0 [ 390.529611] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 390.529648] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 390.531852] ? print_usage_bug+0xc0/0xc0 [ 390.536847] lowmem_reserve[]: [ 390.565241] ? __lock_acquire+0x7ec/0x4ec0 [ 390.569266] 0 0 [ 390.572388] ? __lock_acquire+0x7ec/0x4ec0 [ 390.576605] 0 [ 390.578589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.582788] 0 [ 390.584591] ? should_fail+0x22d/0xd01 [ 390.591893] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.595754] Node 0 [ 390.600851] ? __lock_acquire+0x7ec/0x4ec0 [ 390.600854] DMA: 1*4kB [ 390.603099] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.607307] (U) [ 390.609887] ? __lock_acquire+0x7ec/0x4ec0 [ 390.614986] 0*8kB [ 390.616963] ? should_fail+0x22d/0xd01 [ 390.621171] 0*16kB 1*32kB [ 390.623345] ? print_usage_bug+0xc0/0xc0 [ 390.627209] (U) [ 390.630097] ? mark_held_locks+0x130/0x130 [ 390.634119] 2*64kB [ 390.636112] ? mark_held_locks+0x130/0x130 [ 390.640323] (U) [ 390.642575] ? graph_lock+0x170/0x170 [ 390.646776] 1*128kB [ 390.648746] ? print_usage_bug+0xc0/0xc0 [ 390.652516] (U) [ 390.654838] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 390.658872] 1*256kB [ 390.660844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.665570] (U) [ 390.667911] ? check_preemption_disabled+0x48/0x200 [ 390.673427] 0*512kB 1*1024kB [ 390.675411] ? check_preemption_disabled+0x48/0x200 [ 390.680410] (U) [ 390.683527] ? __lock_is_held+0xb5/0x140 [ 390.688506] 1*2048kB [ 390.690488] __alloc_pages_nodemask+0xa80/0xde0 [ 390.694515] (M) [ 390.696921] ? graph_lock+0x170/0x170 [ 390.701561] 3*4096kB [ 390.703546] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 390.707312] (M) [ 390.709717] ? graph_lock+0x170/0x170 [ 390.714708] = 15908kB [ 390.716688] ? find_held_lock+0x36/0x1c0 [ 390.720450] Node 0 [ 390.722863] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.726883] DMA32: 3*4kB [ 390.729126] ? lock_downgrade+0x900/0x900 [ 390.733766] (M) [ 390.736528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.740638] 2*8kB (M) [ 390.742623] cache_grow_begin+0x91/0x8c0 [ 390.748128] 2*16kB [ 390.750623] ? do_raw_spin_unlock+0xa7/0x2f0 [ 390.754650] (UM) [ 390.756888] fallback_alloc+0x203/0x2e0 [ 390.761259] 1*32kB (M) [ 390.763331] ____cache_alloc_node+0x1c7/0x1e0 [ 390.767272] 3*64kB [ 390.769851] kmem_cache_alloc_node+0xe3/0x730 [ 390.774321] (UM) [ 390.776558] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.781024] 3*128kB (M) [ 390.783100] __alloc_skb+0x119/0x770 [ 390.787301] 2*256kB [ 390.789982] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 390.793663] (M) [ 390.795993] ? skb_scrub_packet+0x490/0x490 [ 390.801241] 3*512kB [ 390.803216] ? lock_downgrade+0x900/0x900 [ 390.807510] (M) [ 390.809834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.813950] 4*1024kB [ 390.815921] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.821426] (UM) [ 390.823832] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.829247] 3*2048kB (M) [ 390.831314] ? addrconf_rs_timer+0x6f0/0x6f0 [ 390.836731] 3*4096kB (M) [ 390.839506] ndisc_alloc_skb+0x144/0x340 [ 390.843878] = 25244kB [ 390.846630] ndisc_send_rs+0x331/0x6e0 [ 390.850678] Node 0 [ 390.853091] addrconf_rs_timer+0x3c0/0x6f0 [ 390.856944] Normal: [ 390.859180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.863385] 1139*4kB [ 390.865716] call_timer_fn+0x272/0x920 [ 390.869912] (MEH) [ 390.872320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.876179] 438*8kB [ 390.878322] ? process_timeout+0x40/0x40 [ 390.882528] (UME) [ 390.884847] ? find_held_lock+0x36/0x1c0 [ 390.888879] 175*16kB [ 390.891031] ? __run_timers+0x7da/0xc70 [ 390.895057] (UME) [ 390.897471] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.901411] 64*32kB (UMEH) [ 390.903570] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.908040] 14*64kB [ 390.910969] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.915439] (UM) [ 390.917780] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 390.921997] 1*128kB [ 390.924053] ? trace_hardirqs_on+0xbd/0x310 [ 390.928608] (H) [ 390.930925] ? kasan_check_read+0x11/0x20 [ 390.935219] 0*256kB 0*512kB [ 390.937202] ? __run_timers+0x7da/0xc70 [ 390.941320] 0*1024kB [ 390.944337] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.948279] 0*2048kB [ 390.950686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.956105] 0*4096kB [ 390.958515] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.962719] = 13932kB [ 390.965132] __run_timers+0x7e5/0xc70 [ 390.969341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 390.971751] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 390.975521] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 390.984348] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 390.989688] 788 total pagecache pages [ 390.998264] ? graph_lock+0x170/0x170 [ 391.003265] 0 pages in swap cache [ 391.007069] ? enqueue_hrtimer+0x1a5/0x560 [ 391.010842] Swap cache stats: add 0, delete 0, find 0/0 [ 391.014296] ? lock_release+0x970/0x970 [ 391.018503] Free swap = 0kB [ 391.023874] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 391.027818] Total swap = 0kB [ 391.027829] 1965979 pages RAM [ 391.030857] ? find_held_lock+0x36/0x1c0 [ 391.036008] 0 pages HighMem/MovableOnly [ 391.036018] 343323 pages reserved [ 391.039047] ? graph_lock+0x170/0x170 [ 391.042128] 0 pages cma reserved [ 391.046213] ? pvclock_read_flags+0x160/0x160 [ 391.050244] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.053624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.053638] ? check_preemption_disabled+0x48/0x200 [ 391.053662] ? __lock_is_held+0xb5/0x140 [ 391.053679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.057550] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.060837] ? check_preemption_disabled+0x48/0x200 [ 391.065306] syz-fuzzer cpuset= [ 391.071812] run_timer_softirq+0x52/0xb0 [ 391.077323] / [ 391.082349] ? rcu_read_lock_sched_held+0x108/0x120 [ 391.086386] mems_allowed=0 [ 391.091928] __do_softirq+0x30b/0xad8 [ 391.127869] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 391.133014] ? pvclock_read_flags+0x160/0x160 [ 391.137519] ? lapic_next_event+0x5a/0x90 [ 391.141678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.147220] ? check_preemption_disabled+0x48/0x200 [ 391.152241] ? check_preemption_disabled+0x48/0x200 [ 391.157275] ? kvm_clock_read+0x18/0x30 [ 391.161257] ? kvm_sched_clock_read+0x9/0x20 [ 391.165678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.171219] ? check_preemption_disabled+0x48/0x200 [ 391.176258] irq_exit+0x17f/0x1c0 [ 391.179720] smp_apic_timer_interrupt+0x1cb/0x760 [ 391.184575] ? smp_reschedule_interrupt+0x109/0x650 [ 391.189629] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.195548] ? interrupt_entry+0xb5/0xf0 [ 391.199643] ? trace_hardirqs_off_caller+0xbb/0x300 [ 391.204689] ? trace_hardirqs_off_caller+0xbb/0x300 [ 391.209742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.214620] ? trace_hardirqs_off+0x300/0x300 [ 391.219137] ? trace_hardirqs_off+0x300/0x300 [ 391.223645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.229194] ? check_preemption_disabled+0x48/0x200 [ 391.234219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.239769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.244630] apic_timer_interrupt+0xf/0x20 [ 391.248857] [ 391.251104] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 391.256037] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 391.274951] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 391.282675] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 391.289943] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 391.297222] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 391.304494] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 391.311770] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 391.319103] skb_clone+0x1bb/0x500 [ 391.322654] ? finish_task_switch+0x2f5/0x900 [ 391.327155] ? skb_split+0x11e0/0x11e0 [ 391.331051] ? preempt_notifier_register+0x200/0x200 [ 391.336171] ? __switch_to_asm+0x34/0x70 [ 391.340232] ? __switch_to_asm+0x34/0x70 [ 391.344294] ? __switch_to_asm+0x40/0x70 [ 391.348357] ? __switch_to_asm+0x34/0x70 [ 391.352424] ? __switch_to_asm+0x40/0x70 [ 391.356485] ? __switch_to_asm+0x34/0x70 [ 391.360546] ? __switch_to_asm+0x40/0x70 [ 391.364608] ? __switch_to_asm+0x34/0x70 [ 391.368672] ? __switch_to_asm+0x34/0x70 [ 391.372734] ? __switch_to_asm+0x40/0x70 [ 391.376796] ? __switch_to_asm+0x34/0x70 [ 391.380874] bpf_clone_redirect+0xb9/0x490 [ 391.385119] ? __schedule+0x874/0x1ed0 [ 391.389020] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 391.394047] ? __sched_text_start+0x8/0x8 [ 391.398208] ? retint_kernel+0x2d/0x2d [ 391.402114] ? find_held_lock+0x36/0x1c0 [ 391.406185] ? lock_acquire+0x1ed/0x520 [ 391.410161] ? bpf_test_run+0x32e/0x5a0 [ 391.414143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.419687] ? check_preemption_disabled+0x48/0x200 [ 391.424713] ? kasan_check_read+0x11/0x20 [ 391.428868] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 391.434155] ? rcu_bh_qs+0xc0/0xc0 [ 391.437704] ? preempt_schedule+0x4d/0x60 [ 391.441854] ? ___preempt_schedule+0x16/0x18 [ 391.446279] ? bpf_test_run+0x1c0/0x5a0 [ 391.450268] ? netlink_diag_dump+0x2a0/0x2a0 [ 391.454685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.460225] ? bpf_test_init.isra.9+0x70/0x100 [ 391.464815] ? bpf_prog_test_run_skb+0x634/0xb40 [ 391.469584] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 391.474432] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 391.479972] ? fput+0x130/0x1a0 [ 391.483266] ? __bpf_prog_get+0x9b/0x290 [ 391.487345] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 391.492224] ? bpf_prog_test_run+0x130/0x1a0 [ 391.496643] ? __x64_sys_bpf+0x3d8/0x510 [ 391.500707] ? bpf_prog_get+0x20/0x20 [ 391.504518] ? ksys_ioctl+0x81/0xd0 [ 391.508245] ? do_syscall_64+0x1b9/0x820 [ 391.512312] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 391.517685] ? syscall_return_slowpath+0x5e0/0x5e0 [ 391.522624] ? trace_hardirqs_off+0x300/0x300 [ 391.527128] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 391.532152] ? recalc_sigpending_tsk+0x180/0x180 [ 391.536919] ? kasan_check_write+0x14/0x20 [ 391.541170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.546046] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 391.551458] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 391.551545] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.558405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.558412] Call Trace: [ 391.558419] [ 391.558445] dump_stack+0x1c4/0x2b4 [ 391.558459] ? dump_stack_print_info.cold.2+0x52/0x52 [ 391.558484] warn_alloc.cold.118+0xb7/0x1bd [ 391.558503] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.565148] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.574374] ? lock_downgrade+0x900/0x900 [ 391.576933] syz-executor6 cpuset= [ 391.579088] ? trace_hardirqs_off+0xb8/0x300 [ 391.582681] syz6 [ 391.587877] ? trace_hardirqs_off+0xb8/0x300 [ 391.592176] mems_allowed=0 [ 391.597032] __alloc_pages_slowpath+0x2667/0x2d80 [ 391.633660] ? warn_alloc+0x120/0x120 [ 391.637477] ? warn_alloc+0x120/0x120 [ 391.641284] ? print_usage_bug+0xc0/0xc0 [ 391.645350] ? warn_alloc+0x120/0x120 [ 391.649157] ? print_usage_bug+0xc0/0xc0 [ 391.653226] ? __lock_acquire+0x7ec/0x4ec0 [ 391.657465] ? __lock_acquire+0x7ec/0x4ec0 [ 391.661706] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.667252] ? should_fail+0x22d/0xd01 [ 391.671159] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.676311] ? __lock_acquire+0x7ec/0x4ec0 [ 391.680588] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.685723] ? __lock_acquire+0x7ec/0x4ec0 [ 391.689994] ? should_fail+0x22d/0xd01 [ 391.693934] ? mark_held_locks+0x130/0x130 [ 391.698207] ? mark_held_locks+0x130/0x130 [ 391.702458] ? graph_lock+0x170/0x170 [ 391.706267] ? graph_lock+0x170/0x170 [ 391.710072] ? graph_lock+0x170/0x170 [ 391.713875] ? print_usage_bug+0xc0/0xc0 [ 391.717942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.723493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.729033] ? check_preemption_disabled+0x48/0x200 [ 391.734053] ? check_preemption_disabled+0x48/0x200 [ 391.739089] ? __lock_is_held+0xb5/0x140 [ 391.743165] __alloc_pages_nodemask+0xa80/0xde0 [ 391.747842] ? graph_lock+0x170/0x170 [ 391.751654] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 391.756674] ? graph_lock+0x170/0x170 [ 391.760493] ? find_held_lock+0x36/0x1c0 [ 391.764587] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.769264] ? lock_downgrade+0x900/0x900 [ 391.773427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.778984] cache_grow_begin+0x91/0x8c0 [ 391.783058] ? do_raw_spin_unlock+0xa7/0x2f0 [ 391.787481] fallback_alloc+0x203/0x2e0 [ 391.791467] ____cache_alloc_node+0x1c7/0x1e0 [ 391.795971] kmem_cache_alloc_node+0xe3/0x730 [ 391.800482] ? ipv6_get_ifaddr+0x42e/0x620 [ 391.804730] __alloc_skb+0x119/0x770 [ 391.808448] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 391.813742] ? skb_scrub_packet+0x490/0x490 [ 391.818072] ? lock_downgrade+0x900/0x900 [ 391.822237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.827785] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.833264] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.838722] ? addrconf_rs_timer+0x6f0/0x6f0 [ 391.843153] ndisc_alloc_skb+0x144/0x340 [ 391.847226] ndisc_send_rs+0x331/0x6e0 [ 391.851128] addrconf_rs_timer+0x3c0/0x6f0 [ 391.855372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.859626] call_timer_fn+0x272/0x920 [ 391.863519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.867759] ? process_timeout+0x40/0x40 [ 391.871821] ? find_held_lock+0x36/0x1c0 [ 391.875897] ? mark_held_locks+0xc7/0x130 [ 391.880051] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.884551] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.889061] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.893303] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 391.897890] ? trace_hardirqs_on+0xbd/0x310 [ 391.902215] ? kasan_check_read+0x11/0x20 [ 391.906369] ? __run_timers+0x7da/0xc70 [ 391.910349] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.915813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.920058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.924301] __run_timers+0x7e5/0xc70 [ 391.928123] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 391.933494] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 391.938779] ? rcu_bh_qs+0xc0/0xc0 [ 391.942329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.947881] ? mark_held_locks+0xc7/0x130 [ 391.952042] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 391.956804] ? retint_kernel+0x2d/0x2d [ 391.960694] ? trace_hardirqs_on_caller+0xc0/0x300 [ 391.965626] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 391.970389] ? trace_hardirqs_off_caller+0x300/0x300 [ 391.975492] ? check_preemption_disabled+0x48/0x200 [ 391.980513] ? graph_lock+0x170/0x170 [ 391.984324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.989869] ? check_preemption_disabled+0x48/0x200 [ 391.994904] ? __lock_is_held+0xb5/0x140 [ 391.998981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.004524] ? check_preemption_disabled+0x48/0x200 [ 392.009556] run_timer_softirq+0x52/0xb0 [ 392.013631] ? rcu_read_lock_sched_held+0x108/0x120 [ 392.019105] __do_softirq+0x30b/0xad8 [ 392.022931] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 392.028055] ? pvclock_read_flags+0x160/0x160 [ 392.032562] ? lapic_next_event+0x5a/0x90 [ 392.036727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.042274] ? check_preemption_disabled+0x48/0x200 [ 392.047314] ? check_preemption_disabled+0x48/0x200 [ 392.052369] ? kvm_clock_read+0x18/0x30 [ 392.056373] ? kvm_sched_clock_read+0x9/0x20 [ 392.060816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.066386] ? check_preemption_disabled+0x48/0x200 [ 392.071445] irq_exit+0x17f/0x1c0 [ 392.074924] smp_apic_timer_interrupt+0x1cb/0x760 [ 392.079792] ? smp_call_function_single_interrupt+0x650/0x650 [ 392.085699] ? interrupt_entry+0xb5/0xf0 [ 392.089780] ? trace_hardirqs_off_caller+0xbb/0x300 [ 392.094812] ? trace_hardirqs_off_caller+0xbb/0x300 [ 392.099847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.104709] ? trace_hardirqs_off+0x300/0x300 [ 392.109219] ? trace_hardirqs_off+0x300/0x300 [ 392.113740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.119309] ? check_preemption_disabled+0x48/0x200 [ 392.124362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.129942] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.134840] apic_timer_interrupt+0xf/0x20 [ 392.139095] [ 392.141353] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 392.146659] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 392.166464] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 392.174761] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 392.182046] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 392.189331] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 392.196623] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 392.203921] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 392.211252] ? arch_local_irq_restore+0x45/0x52 [ 392.215986] dump_stack+0x26a/0x2b4 [ 392.219649] ? dump_stack_print_info.cold.2+0x52/0x52 [ 392.224878] ? mark_held_locks+0x130/0x130 [ 392.229132] ? mark_held_locks+0x130/0x130 [ 392.233382] dump_header+0x27b/0xf72 [ 392.237115] ? pagefault_out_of_memory+0x197/0x197 [ 392.242059] ? mark_held_locks+0x130/0x130 [ 392.246300] ? __lock_acquire+0x7ec/0x4ec0 [ 392.250543] ? mem_cgroup_charge_statistics+0x780/0x780 [ 392.256008] ? print_usage_bug+0xc0/0xc0 [ 392.260080] ? print_usage_bug+0xc0/0xc0 [ 392.264155] ? graph_lock+0x170/0x170 [ 392.267957] ? graph_lock+0x170/0x170 [ 392.271857] ? print_usage_bug+0xc0/0xc0 [ 392.275921] ? print_usage_bug+0xc0/0xc0 [ 392.280008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.285556] ? find_held_lock+0x36/0x1c0 [ 392.289635] ? mark_held_locks+0xc7/0x130 [ 392.293809] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 392.298917] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 392.304050] ? lockdep_hardirqs_on+0x421/0x5c0 [ 392.308645] ? trace_hardirqs_on+0xbd/0x310 [ 392.312970] ? kasan_check_read+0x11/0x20 [ 392.317131] ? ___ratelimit+0x36f/0x655 [ 392.321114] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.326580] ? trace_hardirqs_on+0x310/0x310 [ 392.331019] ? lock_downgrade+0x900/0x900 [ 392.335182] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.340295] ? ___ratelimit+0xaa/0x655 [ 392.344192] ? idr_get_free+0xec0/0xec0 [ 392.348192] ? kasan_check_write+0x14/0x20 [ 392.352435] ? do_raw_spin_lock+0xc1/0x200 [ 392.356720] oom_kill_process.cold.27+0x10/0x903 [ 392.361485] ? graph_lock+0x170/0x170 [ 392.365291] ? _raw_spin_unlock+0x2c/0x50 [ 392.369443] ? oom_badness+0xe6/0xaa0 [ 392.373260] ? oom_evaluate_task+0x540/0x540 [ 392.377676] ? find_held_lock+0x36/0x1c0 [ 392.381784] ? out_of_memory+0x974/0x14c0 [ 392.385937] ? lock_downgrade+0x900/0x900 [ 392.390087] ? check_preemption_disabled+0x48/0x200 [ 392.395120] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 392.400920] ? kasan_check_read+0x11/0x20 [ 392.405078] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 392.410364] ? rcu_bh_qs+0xc0/0xc0 [ 392.413916] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 392.418938] ? oom_evaluate_task+0x302/0x540 [ 392.423360] out_of_memory+0xa86/0x14c0 [ 392.427347] ? oom_killer_disable+0x3a0/0x3a0 [ 392.431849] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 392.436786] ? __mutex_add_waiter+0x2a0/0x2a0 [ 392.441306] __alloc_pages_slowpath+0x2318/0x2d80 [ 392.446193] ? warn_alloc+0x120/0x120 [ 392.450023] ? find_get_entry+0x2f2/0xc40 [ 392.454193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.459745] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 392.464685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.470231] ? should_fail+0x22d/0xd01 [ 392.474137] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.479254] ? __lock_is_held+0xb5/0x140 [ 392.483354] ? __lock_is_held+0xb5/0x140 [ 392.487440] ? find_held_lock+0x36/0x1c0 [ 392.491516] ? ___might_sleep+0x1ed/0x300 [ 392.495668] ? lock_release+0x970/0x970 [ 392.499658] ? arch_local_save_flags+0x40/0x40 [ 392.504265] ? __might_sleep+0x95/0x190 [ 392.508255] __alloc_pages_nodemask+0xa80/0xde0 [ 392.512942] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 392.517992] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 392.523798] ? kasan_check_read+0x11/0x20 [ 392.527957] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 392.533257] ? graph_lock+0x170/0x170 [ 392.537071] ? print_usage_bug+0xc0/0xc0 [ 392.541152] ? graph_lock+0x170/0x170 [ 392.544967] ? graph_lock+0x170/0x170 [ 392.548787] ? __do_page_cache_readahead+0x7ce/0x980 [ 392.553911] ? find_held_lock+0x36/0x1c0 [ 392.558003] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 392.563564] alloc_pages_current+0x10c/0x210 [ 392.568001] ? lock_downgrade+0x900/0x900 [ 392.572171] __page_cache_alloc+0x38f/0x5b0 [ 392.576514] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 392.582336] ? kasan_check_read+0x11/0x20 [ 392.586517] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 392.591830] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 392.596532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.602118] ? check_preemption_disabled+0x48/0x200 [ 392.607175] filemap_fault+0x1594/0x25f0 [ 392.611278] ? __lock_page_or_retry+0xa00/0xa00 [ 392.615997] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 392.621813] ? kasan_check_read+0x11/0x20 [ 392.625998] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 392.631298] ? rcu_bh_qs+0xc0/0xc0 [ 392.634871] ? filemap_map_pages+0xdea/0x1980 [ 392.639396] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.644535] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 392.649842] ? debug_object_free+0x325/0x690 [ 392.654274] ? find_get_pages_range_tag+0x1320/0x1320 [ 392.659501] ? graph_lock+0x170/0x170 [ 392.663335] ? kasan_check_read+0x11/0x20 [ 392.667499] ? debug_object_destroy+0x2b0/0x2b0 [ 392.672189] ? lock_acquire+0x1ed/0x520 [ 392.676168] ? ext4_filemap_fault+0x7a/0xad [ 392.680506] ? lock_release+0x970/0x970 [ 392.684507] ? arch_local_save_flags+0x40/0x40 [ 392.689103] ? futex_wait_setup+0x3e0/0x3e0 [ 392.693446] ? down_read+0xb0/0x1d0 [ 392.697078] ? ext4_filemap_fault+0x7a/0xad [ 392.701409] ? __down_interruptible+0x700/0x700 [ 392.706126] ext4_filemap_fault+0x82/0xad [ 392.710312] __do_fault+0x100/0x6b0 [ 392.713985] ? print_bad_pte+0x6c0/0x6c0 [ 392.718078] ? do_futex+0x249/0x26d0 [ 392.721824] ? kasan_check_read+0x11/0x20 [ 392.726028] ? pmd_val+0x88/0x100 [ 392.729513] ? add_mm_counter_fast+0xd0/0xd0 [ 392.733951] ? pmd_val+0x88/0x100 [ 392.737428] ? add_mm_counter_fast+0xd0/0xd0 [ 392.741847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.747399] __handle_mm_fault+0x3709/0x53e0 [ 392.751812] ? perf_trace_lock+0x14d/0x7a0 [ 392.756067] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 392.760921] ? graph_lock+0x170/0x170 [ 392.764725] ? print_usage_bug+0xc0/0xc0 [ 392.768795] ? graph_lock+0x170/0x170 [ 392.772604] ? graph_lock+0x170/0x170 [ 392.776434] ? handle_mm_fault+0x42a/0xc70 [ 392.780672] ? lock_downgrade+0x900/0x900 [ 392.784821] ? check_preemption_disabled+0x48/0x200 [ 392.789855] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 392.795916] ? kasan_check_read+0x11/0x20 [ 392.800075] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 392.805359] ? rcu_bh_qs+0xc0/0xc0 [ 392.808902] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.814361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.819903] ? check_preemption_disabled+0x48/0x200 [ 392.824935] handle_mm_fault+0x54f/0xc70 [ 392.829015] ? __handle_mm_fault+0x53e0/0x53e0 [ 392.833625] ? find_vma+0x34/0x190 [ 392.837181] __do_page_fault+0x67d/0xed0 [ 392.841252] ? mm_fault_error+0x380/0x380 [ 392.845405] ? trace_hardirqs_off+0xb8/0x300 [ 392.849818] ? trace_hardirqs_on+0x310/0x310 [ 392.854233] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 392.859606] ? trace_hardirqs_on+0x310/0x310 [ 392.864030] do_page_fault+0xf2/0x7e0 [ 392.867842] ? vmalloc_sync_all+0x30/0x30 [ 392.872001] ? error_entry+0x70/0xd0 [ 392.875720] ? trace_hardirqs_off_caller+0xbb/0x300 [ 392.880736] ? trace_hardirqs_on_caller+0xc0/0x300 [ 392.885672] ? syscall_return_slowpath+0x5e0/0x5e0 [ 392.890606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.895472] ? trace_hardirqs_off+0x300/0x300 [ 392.899999] ? trace_hardirqs_off_caller+0x300/0x300 [ 392.905127] ? prepare_exit_to_usermode+0x291/0x3b0 [ 392.910153] ? page_fault+0x8/0x30 [ 392.913711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.918574] ? page_fault+0x8/0x30 [ 392.922119] page_fault+0x1e/0x30 [ 392.925580] RIP: 0033:0x45ddf3 [ 392.928782] Code: Bad RIP value. [ 392.932242] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 392.937611] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 392.944889] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 392.954003] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 392.961293] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 392.968581] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 392.975899] warn_alloc_show_mem: 1 callbacks suppressed [ 392.975913] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 392.975915] Mem-Info: [ 392.975948] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 392.975948] active_file:16 inactive_file:17 isolated_file:0 [ 392.975948] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.975948] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 392.975948] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 392.975948] free:13771 free_pcp:233 free_cma:0 [ 392.981296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.981308] Call Trace: [ 392.988612] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.991021] [ 393.023904] Node 0 [ 393.033290] dump_stack+0x1c4/0x2b4 [ 393.035880] 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 [ 393.063563] ? dump_stack_print_info.cold.2+0x52/0x52 [ 393.065701] lowmem_reserve[]: [ 393.067963] warn_alloc.cold.118+0xb7/0x1bd [ 393.071570] 0 [ 393.097109] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.102286] 2815 [ 393.105408] ? lock_downgrade+0x900/0x900 [ 393.109699] 6318 6318 [ 393.111532] ? trace_hardirqs_off+0xb8/0x300 [ 393.118417] ? trace_hardirqs_off+0xb8/0x300 [ 393.122541] Node 0 [ 393.125060] __alloc_pages_slowpath+0x2667/0x2d80 [ 393.129483] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 393.133908] ? warn_alloc+0x120/0x120 [ 393.136097] lowmem_reserve[]: 0 [ 393.140982] ? trace_hardirqs_on+0x310/0x310 [ 393.168184] 0 3503 [ 393.172029] ? warn_alloc+0x120/0x120 [ 393.175284] 3503 [ 393.179704] ? print_usage_bug+0xc0/0xc0 [ 393.185721] ? warn_alloc+0x120/0x120 [ 393.187753] Node 0 [ 393.191824] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 393.195627] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 393.197837] ? print_usage_bug+0xc0/0xc0 [ 393.202823] lowmem_reserve[]: [ 393.231226] ? __lock_acquire+0x7ec/0x4ec0 [ 393.235274] 0 [ 393.238398] ? __lock_acquire+0x7ec/0x4ec0 [ 393.242610] 0 [ 393.244424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.248633] 0 [ 393.250438] ? should_fail+0x22d/0xd01 [ 393.255950] 0 [ 393.257775] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.261632] Node 0 [ 393.263439] ? __lock_acquire+0x7ec/0x4ec0 [ 393.268511] DMA: [ 393.270754] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.274955] 1*4kB [ 393.277028] ? __lock_acquire+0x7ec/0x4ec0 [ 393.282098] (U) 0*8kB [ 393.284267] ? should_fail+0x22d/0xd01 [ 393.288469] 0*16kB [ 393.290973] ? print_usage_bug+0xc0/0xc0 [ 393.294836] 1*32kB [ 393.297088] ? mark_held_locks+0x130/0x130 [ 393.301109] (U) [ 393.303354] ? mark_held_locks+0x130/0x130 [ 393.307551] 2*64kB (U) [ 393.309549] ? graph_lock+0x170/0x170 [ 393.313744] 1*128kB [ 393.316327] ? print_usage_bug+0xc0/0xc0 [ 393.320098] (U) [ 393.322425] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.326451] 1*256kB (U) [ 393.328436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.333161] 0*512kB [ 393.335834] ? check_preemption_disabled+0x48/0x200 [ 393.341338] 1*1024kB (U) [ 393.343674] ? check_preemption_disabled+0x48/0x200 [ 393.348659] 1*2048kB [ 393.351424] ? __lock_is_held+0xb5/0x140 [ 393.356403] (M) [ 393.358821] __alloc_pages_nodemask+0xa80/0xde0 [ 393.362842] 3*4096kB (M) [ 393.364828] ? graph_lock+0x170/0x170 [ 393.369469] = 15908kB [ 393.372232] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 393.376005] Node 0 [ 393.378417] ? graph_lock+0x170/0x170 [ 393.383400] DMA32: 3*4kB [ 393.385660] ? find_held_lock+0x36/0x1c0 [ 393.389418] (M) [ 393.392189] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.396208] 2*8kB (M) [ 393.398194] ? lock_downgrade+0x900/0x900 [ 393.402837] 2*16kB [ 393.405342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.409447] (UM) 1*32kB [ 393.411701] cache_grow_begin+0x91/0x8c0 [ 393.417198] (M) 3*64kB [ 393.419887] ? do_raw_spin_unlock+0xa7/0x2f0 [ 393.423912] (UM) [ 393.426504] fallback_alloc+0x203/0x2e0 [ 393.430879] 3*128kB [ 393.432950] ____cache_alloc_node+0x1c7/0x1e0 [ 393.436886] (M) [ 393.439219] kmem_cache_alloc_node+0xe3/0x730 [ 393.443680] 2*256kB [ 393.445656] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.450118] (M) [ 393.452449] __alloc_skb+0x119/0x770 [ 393.456648] 3*512kB [ 393.458625] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 393.462306] (M) [ 393.464636] ? skb_scrub_packet+0x490/0x490 [ 393.469886] 4*1024kB [ 393.471864] ? lock_downgrade+0x900/0x900 [ 393.476144] (UM) 3*2048kB [ 393.478569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.482686] (M) [ 393.485531] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.491037] 3*4096kB [ 393.493023] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.498438] (M) [ 393.500851] ? addrconf_rs_timer+0x6f0/0x6f0 [ 393.506273] = 25244kB [ 393.508258] ndisc_alloc_skb+0x144/0x340 [ 393.512625] Node 0 [ 393.515040] ndisc_send_rs+0x331/0x6e0 [ 393.519062] Normal: 1139*4kB [ 393.521317] addrconf_rs_timer+0x3c0/0x6f0 [ 393.525163] (MEH) 438*8kB [ 393.528284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.532482] (UME) [ 393.535336] call_timer_fn+0x272/0x920 [ 393.539532] 175*16kB [ 393.541680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.545535] (UME) [ 393.547946] ? process_timeout+0x40/0x40 [ 393.552152] 64*32kB [ 393.554299] ? find_held_lock+0x36/0x1c0 [ 393.558328] (UMEH) [ 393.560660] ? __run_timers+0x7da/0xc70 [ 393.564683] 14*64kB [ 393.566918] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.570862] (UM) [ 393.573189] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.577652] 1*128kB (H) [ 393.579730] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.584193] 0*256kB [ 393.586864] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 393.591074] 0*512kB [ 393.593398] ? trace_hardirqs_on+0xbd/0x310 [ 393.597945] 0*1024kB 0*2048kB [ 393.600287] ? kasan_check_read+0x11/0x20 [ 393.604585] 0*4096kB [ 393.607785] ? __run_timers+0x7da/0xc70 [ 393.611902] = 13932kB [ 393.611918] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 393.614335] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.618287] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 393.618296] 788 total pagecache pages [ 393.620722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.629542] 0 pages in swap cache [ 393.635021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.643586] Swap cache stats: add 0, delete 0, find 0/0 [ 393.647407] __run_timers+0x7e5/0xc70 [ 393.651614] Free swap = 0kB [ 393.655093] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 393.659286] Total swap = 0kB [ 393.664660] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 393.668435] 1965979 pages RAM [ 393.671465] ? graph_lock+0x170/0x170 [ 393.676814] 0 pages HighMem/MovableOnly [ 393.679883] ? enqueue_hrtimer+0x1a5/0x560 [ 393.684883] 343323 pages reserved [ 393.688003] ? lock_release+0x970/0x970 [ 393.688023] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 393.691809] 0 pages cma reserved [ 393.691922] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.695802] ? find_held_lock+0x36/0x1c0 [ 393.695821] ? graph_lock+0x170/0x170 [ 393.695839] ? pvclock_read_flags+0x160/0x160 [ 393.700133] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.703513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.707457] syz-fuzzer cpuset= [ 393.712643] ? check_preemption_disabled+0x48/0x200 [ 393.715989] / [ 393.722493] ? __lock_is_held+0xb5/0x140 [ 393.726525] mems_allowed=0 [ 393.730322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.773003] ? check_preemption_disabled+0x48/0x200 [ 393.778051] run_timer_softirq+0x52/0xb0 [ 393.782132] ? rcu_read_lock_sched_held+0x108/0x120 [ 393.787168] __do_softirq+0x30b/0xad8 [ 393.791001] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 393.796128] ? pvclock_read_flags+0x160/0x160 [ 393.800640] ? lapic_next_event+0x5a/0x90 [ 393.804797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.810340] ? check_preemption_disabled+0x48/0x200 [ 393.815357] ? check_preemption_disabled+0x48/0x200 [ 393.820386] ? kvm_clock_read+0x18/0x30 [ 393.824366] ? kvm_sched_clock_read+0x9/0x20 [ 393.828783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.834325] ? check_preemption_disabled+0x48/0x200 [ 393.839358] irq_exit+0x17f/0x1c0 [ 393.842820] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.847667] ? smp_reschedule_interrupt+0x109/0x650 [ 393.852689] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.858578] ? interrupt_entry+0xb5/0xf0 [ 393.862646] ? trace_hardirqs_off_caller+0xbb/0x300 [ 393.867664] ? trace_hardirqs_off_caller+0xbb/0x300 [ 393.872688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.877537] ? trace_hardirqs_off+0x300/0x300 [ 393.882033] ? trace_hardirqs_off+0x300/0x300 [ 393.886538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.892087] ? check_preemption_disabled+0x48/0x200 [ 393.897116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.902674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.907532] apic_timer_interrupt+0xf/0x20 [ 393.911763] [ 393.914013] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 393.918948] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 393.937885] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 393.945616] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 393.952898] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 393.960177] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 393.967456] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 393.974733] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 393.982077] skb_clone+0x1bb/0x500 [ 393.985626] ? finish_task_switch+0x2f5/0x900 [ 393.990130] ? skb_split+0x11e0/0x11e0 [ 393.994025] ? preempt_notifier_register+0x200/0x200 [ 393.999136] ? __switch_to_asm+0x34/0x70 [ 394.003204] ? __switch_to_asm+0x34/0x70 [ 394.007267] ? __switch_to_asm+0x40/0x70 [ 394.011326] ? __switch_to_asm+0x34/0x70 [ 394.015387] ? __switch_to_asm+0x40/0x70 [ 394.019821] ? __switch_to_asm+0x34/0x70 [ 394.023882] ? __switch_to_asm+0x40/0x70 [ 394.027940] ? __switch_to_asm+0x34/0x70 [ 394.032016] ? __switch_to_asm+0x34/0x70 [ 394.036092] ? __switch_to_asm+0x40/0x70 [ 394.040160] ? __switch_to_asm+0x34/0x70 [ 394.044247] bpf_clone_redirect+0xb9/0x490 [ 394.048498] ? __schedule+0x874/0x1ed0 [ 394.052405] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 394.057446] ? __sched_text_start+0x8/0x8 [ 394.061610] ? retint_kernel+0x2d/0x2d [ 394.065518] ? find_held_lock+0x36/0x1c0 [ 394.069599] ? lock_acquire+0x1ed/0x520 [ 394.073590] ? bpf_test_run+0x32e/0x5a0 [ 394.077594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.083160] ? check_preemption_disabled+0x48/0x200 [ 394.088217] ? kasan_check_read+0x11/0x20 [ 394.092406] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 394.097720] ? rcu_bh_qs+0xc0/0xc0 [ 394.101294] ? preempt_schedule+0x4d/0x60 [ 394.105468] ? ___preempt_schedule+0x16/0x18 [ 394.109913] ? bpf_test_run+0x1c0/0x5a0 [ 394.113924] ? netlink_diag_dump+0x2a0/0x2a0 [ 394.118360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.123925] ? bpf_test_init.isra.9+0x70/0x100 [ 394.128543] ? bpf_prog_test_run_skb+0x634/0xb40 [ 394.133336] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 394.138208] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 394.143779] ? fput+0x130/0x1a0 [ 394.147101] ? __bpf_prog_get+0x9b/0x290 [ 394.151771] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 394.156643] ? bpf_prog_test_run+0x130/0x1a0 [ 394.161102] ? __x64_sys_bpf+0x3d8/0x510 [ 394.165195] ? bpf_prog_get+0x20/0x20 [ 394.169034] ? ksys_ioctl+0x81/0xd0 [ 394.172683] ? do_syscall_64+0x1b9/0x820 [ 394.176748] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 394.182123] ? syscall_return_slowpath+0x5e0/0x5e0 [ 394.187071] ? trace_hardirqs_off+0x300/0x300 [ 394.191586] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 394.196614] ? recalc_sigpending_tsk+0x180/0x180 [ 394.201383] ? kasan_check_write+0x14/0x20 [ 394.205635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.210500] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 394.215899] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 394.215996] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 394.222847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.222854] Call Trace: [ 394.222862] [ 394.222892] dump_stack+0x1c4/0x2b4 [ 394.222907] ? dump_stack_print_info.cold.2+0x52/0x52 [ 394.222932] warn_alloc.cold.118+0xb7/0x1bd [ 394.222947] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.222968] ? lock_downgrade+0x900/0x900 [ 394.229595] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 394.238894] ? trace_hardirqs_off+0xb8/0x300 [ 394.241473] syz-executor6 cpuset= [ 394.243651] ? trace_hardirqs_off+0xb8/0x300 [ 394.247260] syz6 [ 394.252478] __alloc_pages_slowpath+0x2667/0x2d80 [ 394.256782] mems_allowed=0 [ 394.261661] ? warn_alloc+0x120/0x120 [ 394.302044] ? warn_alloc+0x120/0x120 [ 394.305871] ? print_usage_bug+0xc0/0xc0 [ 394.309958] ? warn_alloc+0x120/0x120 [ 394.313791] ? print_usage_bug+0xc0/0xc0 [ 394.317877] ? __lock_acquire+0x7ec/0x4ec0 [ 394.322139] ? __lock_acquire+0x7ec/0x4ec0 [ 394.326406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.331973] ? should_fail+0x22d/0xd01 [ 394.335900] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.341034] ? __lock_acquire+0x7ec/0x4ec0 [ 394.345302] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.350420] ? __lock_acquire+0x7ec/0x4ec0 [ 394.354669] ? should_fail+0x22d/0xd01 [ 394.358589] ? mark_held_locks+0x130/0x130 [ 394.362847] ? mark_held_locks+0x130/0x130 [ 394.367100] ? graph_lock+0x170/0x170 [ 394.370909] ? graph_lock+0x170/0x170 [ 394.374715] ? graph_lock+0x170/0x170 [ 394.378579] ? print_usage_bug+0xc0/0xc0 [ 394.382652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.388208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.393757] ? check_preemption_disabled+0x48/0x200 [ 394.398779] ? check_preemption_disabled+0x48/0x200 [ 394.403812] ? __lock_is_held+0xb5/0x140 [ 394.407886] __alloc_pages_nodemask+0xa80/0xde0 [ 394.412561] ? graph_lock+0x170/0x170 [ 394.416382] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 394.421410] ? graph_lock+0x170/0x170 [ 394.425234] ? find_held_lock+0x36/0x1c0 [ 394.429318] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.434005] ? lock_downgrade+0x900/0x900 [ 394.438179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.443738] cache_grow_begin+0x91/0x8c0 [ 394.447819] ? do_raw_spin_unlock+0xa7/0x2f0 [ 394.452250] fallback_alloc+0x203/0x2e0 [ 394.456247] ____cache_alloc_node+0x1c7/0x1e0 [ 394.460761] kmem_cache_alloc_node+0xe3/0x730 [ 394.465274] ? ipv6_get_ifaddr+0x42e/0x620 [ 394.469535] __alloc_skb+0x119/0x770 [ 394.473263] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 394.478554] ? skb_scrub_packet+0x490/0x490 [ 394.482892] ? lock_downgrade+0x900/0x900 [ 394.487057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.492608] ? refcount_sub_and_test_checked+0x203/0x310 [ 394.498078] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 394.503544] ? addrconf_rs_timer+0x6f0/0x6f0 [ 394.507991] ndisc_alloc_skb+0x144/0x340 [ 394.512072] ndisc_send_rs+0x331/0x6e0 [ 394.515984] addrconf_rs_timer+0x3c0/0x6f0 [ 394.520242] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.524508] call_timer_fn+0x272/0x920 [ 394.528409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.532661] ? process_timeout+0x40/0x40 [ 394.536735] ? find_held_lock+0x36/0x1c0 [ 394.540819] ? mark_held_locks+0xc7/0x130 [ 394.544997] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.549509] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.554023] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.558282] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 394.562882] ? trace_hardirqs_on+0xbd/0x310 [ 394.567209] ? kasan_check_read+0x11/0x20 [ 394.571371] ? __run_timers+0x7da/0xc70 [ 394.575361] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.580824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.585074] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.589319] __run_timers+0x7e5/0xc70 [ 394.593145] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 394.598517] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 394.603811] ? rcu_bh_qs+0xc0/0xc0 [ 394.607368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.612927] ? mark_held_locks+0xc7/0x130 [ 394.617098] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 394.621871] ? retint_kernel+0x2d/0x2d [ 394.625770] ? trace_hardirqs_on_caller+0xc0/0x300 [ 394.630728] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 394.635514] ? trace_hardirqs_off_caller+0x300/0x300 [ 394.640645] ? check_preemption_disabled+0x48/0x200 [ 394.645694] ? graph_lock+0x170/0x170 [ 394.649524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.655086] ? check_preemption_disabled+0x48/0x200 [ 394.660137] ? __lock_is_held+0xb5/0x140 [ 394.664212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.669764] ? check_preemption_disabled+0x48/0x200 [ 394.674803] run_timer_softirq+0x52/0xb0 [ 394.678876] ? rcu_read_lock_sched_held+0x108/0x120 [ 394.683914] __do_softirq+0x30b/0xad8 [ 394.687733] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 394.692862] ? pvclock_read_flags+0x160/0x160 [ 394.697381] ? lapic_next_event+0x5a/0x90 [ 394.701557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.707136] ? check_preemption_disabled+0x48/0x200 [ 394.712179] ? check_preemption_disabled+0x48/0x200 [ 394.717249] ? kvm_clock_read+0x18/0x30 [ 394.721238] ? kvm_sched_clock_read+0x9/0x20 [ 394.725658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.731204] ? check_preemption_disabled+0x48/0x200 [ 394.736243] irq_exit+0x17f/0x1c0 [ 394.739705] smp_apic_timer_interrupt+0x1cb/0x760 [ 394.744563] ? smp_call_function_single_interrupt+0x650/0x650 [ 394.750470] ? interrupt_entry+0xb5/0xf0 [ 394.754540] ? trace_hardirqs_off_caller+0xbb/0x300 [ 394.759573] ? trace_hardirqs_off_caller+0xbb/0x300 [ 394.764621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.769497] ? trace_hardirqs_off+0x300/0x300 [ 394.774030] ? trace_hardirqs_off+0x300/0x300 [ 394.778563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.784137] ? check_preemption_disabled+0x48/0x200 [ 394.789184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.794750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.799631] apic_timer_interrupt+0xf/0x20 [ 394.803869] [ 394.806113] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 394.811405] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 394.830327] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 394.838054] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 394.845331] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 394.852609] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 394.859885] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 394.867165] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 394.874472] ? arch_local_irq_restore+0x45/0x52 [ 394.879157] dump_stack+0x26a/0x2b4 [ 394.882793] ? dump_stack_print_info.cold.2+0x52/0x52 [ 394.888001] ? mark_held_locks+0x130/0x130 [ 394.892240] ? mark_held_locks+0x130/0x130 [ 394.896483] dump_header+0x27b/0xf72 [ 394.900214] ? pagefault_out_of_memory+0x197/0x197 [ 394.905164] ? mark_held_locks+0x130/0x130 [ 394.909431] ? __lock_acquire+0x7ec/0x4ec0 [ 394.913685] ? mem_cgroup_charge_statistics+0x780/0x780 [ 394.919069] ? print_usage_bug+0xc0/0xc0 [ 394.923143] ? print_usage_bug+0xc0/0xc0 [ 394.927218] ? graph_lock+0x170/0x170 [ 394.931024] ? graph_lock+0x170/0x170 [ 394.938243] ? print_usage_bug+0xc0/0xc0 [ 394.942320] ? print_usage_bug+0xc0/0xc0 [ 394.946403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.951959] ? find_held_lock+0x36/0x1c0 [ 394.956047] ? mark_held_locks+0xc7/0x130 [ 394.960211] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.965326] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.970445] ? lockdep_hardirqs_on+0x421/0x5c0 [ 394.975080] ? trace_hardirqs_on+0xbd/0x310 [ 394.979405] ? kasan_check_read+0x11/0x20 [ 394.983563] ? ___ratelimit+0x36f/0x655 [ 394.987555] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.993022] ? trace_hardirqs_on+0x310/0x310 [ 394.997438] ? lock_downgrade+0x900/0x900 [ 395.001607] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 395.006718] ? ___ratelimit+0xaa/0x655 [ 395.010612] ? idr_get_free+0xec0/0xec0 [ 395.014597] ? kasan_check_write+0x14/0x20 [ 395.018843] ? do_raw_spin_lock+0xc1/0x200 [ 395.023094] oom_kill_process.cold.27+0x10/0x903 [ 395.027862] ? graph_lock+0x170/0x170 [ 395.031668] ? _raw_spin_unlock+0x2c/0x50 [ 395.035827] ? oom_badness+0xe6/0xaa0 [ 395.039641] ? oom_evaluate_task+0x540/0x540 [ 395.044065] ? find_held_lock+0x36/0x1c0 [ 395.048143] ? out_of_memory+0x974/0x14c0 [ 395.052310] ? lock_downgrade+0x900/0x900 [ 395.056469] ? check_preemption_disabled+0x48/0x200 [ 395.061519] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 395.067335] ? kasan_check_read+0x11/0x20 [ 395.071502] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.076797] ? rcu_bh_qs+0xc0/0xc0 [ 395.080352] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 395.085387] ? oom_evaluate_task+0x302/0x540 [ 395.089811] out_of_memory+0xa86/0x14c0 [ 395.093821] ? oom_killer_disable+0x3a0/0x3a0 [ 395.098350] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 395.103310] ? __mutex_add_waiter+0x2a0/0x2a0 [ 395.107847] __alloc_pages_slowpath+0x2318/0x2d80 [ 395.112755] ? warn_alloc+0x120/0x120 [ 395.116603] ? find_get_entry+0x2f2/0xc40 [ 395.120783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.126351] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 395.131303] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.136863] ? should_fail+0x22d/0xd01 [ 395.140765] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.145888] ? __lock_is_held+0xb5/0x140 [ 395.150495] ? __lock_is_held+0xb5/0x140 [ 395.154588] ? find_held_lock+0x36/0x1c0 [ 395.158675] ? ___might_sleep+0x1ed/0x300 [ 395.162843] ? lock_release+0x970/0x970 [ 395.166849] ? arch_local_save_flags+0x40/0x40 [ 395.171472] ? __might_sleep+0x95/0x190 [ 395.175472] __alloc_pages_nodemask+0xa80/0xde0 [ 395.180172] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 395.185222] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 395.191032] ? kasan_check_read+0x11/0x20 [ 395.195195] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.200484] ? graph_lock+0x170/0x170 [ 395.204291] ? print_usage_bug+0xc0/0xc0 [ 395.208363] ? graph_lock+0x170/0x170 [ 395.212169] ? graph_lock+0x170/0x170 [ 395.215985] ? __do_page_cache_readahead+0x7ce/0x980 [ 395.221109] ? find_held_lock+0x36/0x1c0 [ 395.225190] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 395.230753] alloc_pages_current+0x10c/0x210 [ 395.235167] ? lock_downgrade+0x900/0x900 [ 395.239338] __page_cache_alloc+0x38f/0x5b0 [ 395.243689] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 395.249560] ? kasan_check_read+0x11/0x20 [ 395.253750] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.259061] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 395.263771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.269344] ? check_preemption_disabled+0x48/0x200 [ 395.274401] filemap_fault+0x1594/0x25f0 [ 395.278485] ? __lock_page_or_retry+0xa00/0xa00 [ 395.283162] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 395.288968] ? kasan_check_read+0x11/0x20 [ 395.293141] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.298428] ? rcu_bh_qs+0xc0/0xc0 [ 395.302001] ? filemap_map_pages+0xdea/0x1980 [ 395.306514] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 395.311644] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 395.316930] ? debug_object_free+0x325/0x690 [ 395.321360] ? find_get_pages_range_tag+0x1320/0x1320 [ 395.326592] ? graph_lock+0x170/0x170 [ 395.330421] ? kasan_check_read+0x11/0x20 [ 395.334586] ? debug_object_destroy+0x2b0/0x2b0 [ 395.339275] ? lock_acquire+0x1ed/0x520 [ 395.343255] ? ext4_filemap_fault+0x7a/0xad [ 395.347592] ? lock_release+0x970/0x970 [ 395.351575] ? arch_local_save_flags+0x40/0x40 [ 395.356172] ? futex_wait_setup+0x3e0/0x3e0 [ 395.360514] ? down_read+0xb0/0x1d0 [ 395.364146] ? ext4_filemap_fault+0x7a/0xad [ 395.368480] ? __down_interruptible+0x700/0x700 [ 395.373178] ext4_filemap_fault+0x82/0xad [ 395.377338] __do_fault+0x100/0x6b0 [ 395.380972] ? print_bad_pte+0x6c0/0x6c0 [ 395.385047] ? do_futex+0x249/0x26d0 [ 395.388766] ? kasan_check_read+0x11/0x20 [ 395.392930] ? pmd_val+0x88/0x100 [ 395.396393] ? add_mm_counter_fast+0xd0/0xd0 [ 395.400810] ? pmd_val+0x88/0x100 [ 395.404271] ? add_mm_counter_fast+0xd0/0xd0 [ 395.408709] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.414270] __handle_mm_fault+0x3709/0x53e0 [ 395.418690] ? perf_trace_lock+0x14d/0x7a0 [ 395.422950] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 395.427814] ? graph_lock+0x170/0x170 [ 395.431626] ? print_usage_bug+0xc0/0xc0 [ 395.435697] ? graph_lock+0x170/0x170 [ 395.439510] ? graph_lock+0x170/0x170 [ 395.443340] ? handle_mm_fault+0x42a/0xc70 [ 395.447594] ? lock_downgrade+0x900/0x900 [ 395.451748] ? check_preemption_disabled+0x48/0x200 [ 395.456787] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 395.462600] ? kasan_check_read+0x11/0x20 [ 395.466769] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.472066] ? rcu_bh_qs+0xc0/0xc0 [ 395.475616] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.481089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.486643] ? check_preemption_disabled+0x48/0x200 [ 395.491683] handle_mm_fault+0x54f/0xc70 [ 395.495770] ? __handle_mm_fault+0x53e0/0x53e0 [ 395.500373] ? find_vma+0x34/0x190 [ 395.503937] __do_page_fault+0x67d/0xed0 [ 395.508028] ? mm_fault_error+0x380/0x380 [ 395.512271] ? trace_hardirqs_off+0xb8/0x300 [ 395.516691] ? trace_hardirqs_on+0x310/0x310 [ 395.521112] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.526492] ? trace_hardirqs_on+0x310/0x310 [ 395.530935] do_page_fault+0xf2/0x7e0 [ 395.534769] ? vmalloc_sync_all+0x30/0x30 [ 395.538945] ? error_entry+0x70/0xd0 [ 395.542692] ? trace_hardirqs_off_caller+0xbb/0x300 [ 395.547731] ? trace_hardirqs_on_caller+0xc0/0x300 [ 395.552685] ? syscall_return_slowpath+0x5e0/0x5e0 [ 395.557641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.562519] ? trace_hardirqs_off+0x300/0x300 [ 395.567034] ? trace_hardirqs_off_caller+0x300/0x300 [ 395.572168] ? prepare_exit_to_usermode+0x291/0x3b0 [ 395.577214] ? page_fault+0x8/0x30 [ 395.580783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.585657] ? page_fault+0x8/0x30 [ 395.589226] page_fault+0x1e/0x30 [ 395.592695] RIP: 0033:0x45ddf3 [ 395.595903] Code: Bad RIP value. [ 395.599275] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 395.604656] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 395.611946] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 395.619241] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 395.626538] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 395.633840] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 395.641165] warn_alloc_show_mem: 1 callbacks suppressed [ 395.641180] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 395.641182] Mem-Info: [ 395.641215] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 395.641215] active_file:16 inactive_file:17 isolated_file:0 [ 395.641215] unevictable:0 dirty:0 writeback:0 unstable:0 [ 395.641215] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 395.641215] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 395.641215] free:13771 free_pcp:233 free_cma:0 [ 395.646564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.646583] Call Trace: [ 395.653889] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 395.656293] [ 395.689183] Node 0 [ 395.698568] dump_stack+0x1c4/0x2b4 [ 395.701168] 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 [ 395.728837] ? dump_stack_print_info.cold.2+0x52/0x52 [ 395.730974] lowmem_reserve[]: [ 395.733245] warn_alloc.cold.118+0xb7/0x1bd [ 395.736841] 0 2815 [ 395.762382] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.767563] 6318 [ 395.770676] ? lock_downgrade+0x900/0x900 [ 395.774964] 6318 [ 395.777218] ? trace_hardirqs_off+0xb8/0x300 [ 395.782024] Node 0 [ 395.784100] ? trace_hardirqs_off+0xb8/0x300 [ 395.788242] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 395.790298] __alloc_pages_slowpath+0x2667/0x2d80 [ 395.794673] lowmem_reserve[]: 0 [ 395.796968] ? warn_alloc+0x120/0x120 [ 395.801337] 0 [ 395.828091] ? warn_alloc+0x120/0x120 [ 395.832908] 3503 [ 395.836191] ? print_usage_bug+0xc0/0xc0 [ 395.839957] 3503 [ 395.841771] ? warn_alloc+0x120/0x120 [ 395.847605] ? print_usage_bug+0xc0/0xc0 [ 395.851637] Node 0 [ 395.853702] ? __lock_acquire+0x7ec/0x4ec0 [ 395.857497] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 395.861536] ? __lock_acquire+0x7ec/0x4ec0 [ 395.863749] lowmem_reserve[]: [ 395.868008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.896355] 0 0 [ 395.900625] ? should_fail+0x22d/0xd01 [ 395.903698] 0 [ 395.909247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.911192] 0 [ 395.915084] ? __lock_acquire+0x7ec/0x4ec0 [ 395.921957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.923730] Node 0 [ 395.927966] ? __lock_acquire+0x7ec/0x4ec0 [ 395.933044] DMA: [ 395.935282] ? should_fail+0x22d/0xd01 [ 395.939487] 1*4kB [ 395.941558] ? mark_held_locks+0x130/0x130 [ 395.945425] (U) [ 395.947573] ? mark_held_locks+0x130/0x130 [ 395.951778] 0*8kB 0*16kB [ 395.953762] ? graph_lock+0x170/0x170 [ 395.958148] 1*32kB [ 395.960900] ? graph_lock+0x170/0x170 [ 395.964672] (U) [ 395.966903] ? graph_lock+0x170/0x170 [ 395.970674] 2*64kB [ 395.972648] ? print_usage_bug+0xc0/0xc0 [ 395.976419] (U) [ 395.978648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.978664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.982704] 1*128kB [ 395.984681] ? check_preemption_disabled+0x48/0x200 [ 395.990195] (U) [ 395.995733] ? check_preemption_disabled+0x48/0x200 [ 395.998028] 1*256kB [ 396.003051] ? __lock_is_held+0xb5/0x140 [ 396.004996] (U) [ 396.010025] __alloc_pages_nodemask+0xa80/0xde0 [ 396.012316] 0*512kB [ 396.016370] ? graph_lock+0x170/0x170 [ 396.018548] 1*1024kB (U) [ 396.023234] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 396.025524] 1*2048kB [ 396.029319] ? graph_lock+0x170/0x170 [ 396.032046] (M) [ 396.037083] ? find_held_lock+0x36/0x1c0 [ 396.039452] 3*4096kB [ 396.043262] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.045202] (M) [ 396.049263] ? lock_downgrade+0x900/0x900 [ 396.051646] = 15908kB [ 396.056319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.058263] Node 0 [ 396.062411] cache_grow_begin+0x91/0x8c0 [ 396.064788] DMA32: [ 396.070334] ? do_raw_spin_unlock+0xa7/0x2f0 [ 396.072541] 3*4kB [ 396.076614] fallback_alloc+0x203/0x2e0 [ 396.078817] (M) [ 396.083240] ____cache_alloc_node+0x1c7/0x1e0 [ 396.085355] 2*8kB [ 396.089339] kmem_cache_alloc_node+0xe3/0x730 [ 396.091281] (M) [ 396.095782] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.097905] 2*16kB [ 396.102411] __alloc_skb+0x119/0x770 [ 396.104356] (UM) [ 396.108597] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 396.108620] ? skb_scrub_packet+0x490/0x490 [ 396.110831] 1*32kB [ 396.114554] ? lock_downgrade+0x900/0x900 [ 396.116608] (M) [ 396.121907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.126224] 3*64kB [ 396.128492] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.132617] (UM) [ 396.134633] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.140163] 3*128kB [ 396.142414] ? addrconf_rs_timer+0x6f0/0x6f0 [ 396.147838] (M) [ 396.150520] ndisc_alloc_skb+0x144/0x340 [ 396.155942] 2*256kB [ 396.158278] ndisc_send_rs+0x331/0x6e0 [ 396.162659] (M) [ 396.164652] addrconf_rs_timer+0x3c0/0x6f0 [ 396.168683] 3*512kB [ 396.171028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.174871] (M) 4*1024kB [ 396.176876] call_timer_fn+0x272/0x920 [ 396.181079] (UM) [ 396.183423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.187630] 3*2048kB (M) [ 396.190425] ? process_timeout+0x40/0x40 [ 396.194289] 3*4096kB [ 396.196368] ? find_held_lock+0x36/0x1c0 [ 396.200577] (M) [ 396.203358] ? __run_timers+0x7da/0xc70 [ 396.207392] = 25244kB [ 396.209823] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.213855] Node 0 [ 396.215831] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.219772] Normal: [ 396.222179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.226645] 1139*4kB [ 396.228877] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 396.233340] (MEH) [ 396.235685] ? trace_hardirqs_on+0xbd/0x310 [ 396.239891] 438*8kB [ 396.242296] ? kasan_check_read+0x11/0x20 [ 396.246850] (UME) [ 396.249011] ? __run_timers+0x7da/0xc70 [ 396.253302] 175*16kB [ 396.255627] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.259741] (UME) [ 396.261895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.265835] 64*32kB (UMEH) [ 396.268321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.273749] 14*64kB [ 396.275918] __run_timers+0x7e5/0xc70 [ 396.280133] (UM) [ 396.283100] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 396.287303] 1*128kB [ 396.289640] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 396.293416] (H) [ 396.295494] ? graph_lock+0x170/0x170 [ 396.300825] 0*256kB [ 396.303154] ? enqueue_hrtimer+0x1a5/0x560 [ 396.308133] 0*512kB [ 396.310108] ? lock_release+0x970/0x970 [ 396.310127] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 396.313901] 0*1024kB [ 396.316224] ? find_held_lock+0x36/0x1c0 [ 396.320425] 0*2048kB [ 396.322748] ? graph_lock+0x170/0x170 [ 396.326692] 0*4096kB [ 396.331896] ? pvclock_read_flags+0x160/0x160 [ 396.334284] = 13932kB [ 396.338362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.340746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 396.344537] ? check_preemption_disabled+0x48/0x200 [ 396.346924] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 396.351421] ? __lock_is_held+0xb5/0x140 [ 396.353793] 788 total pagecache pages [ 396.359332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.368150] 0 pages in swap cache [ 396.373166] ? check_preemption_disabled+0x48/0x200 [ 396.381718] Swap cache stats: add 0, delete 0, find 0/0 [ 396.381728] Free swap = 0kB [ 396.385802] run_timer_softirq+0x52/0xb0 [ 396.389573] Total swap = 0kB [ 396.395114] ? rcu_read_lock_sched_held+0x108/0x120 [ 396.398539] 1965979 pages RAM [ 396.403558] __do_softirq+0x30b/0xad8 [ 396.408892] 0 pages HighMem/MovableOnly [ 396.411924] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 396.415943] 343323 pages reserved [ 396.418962] ? pvclock_read_flags+0x160/0x160 [ 396.423953] 0 pages cma reserved [ 396.424052] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.427077] ? lapic_next_event+0x5a/0x90 [ 396.430916] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.434810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.439883] syz-fuzzer cpuset= [ 396.443349] ? check_preemption_disabled+0x48/0x200 [ 396.447819] / [ 396.451182] ? check_preemption_disabled+0x48/0x200 [ 396.457649] mems_allowed=0 [ 396.461793] ? kvm_clock_read+0x18/0x30 [ 396.499343] ? kvm_sched_clock_read+0x9/0x20 [ 396.503769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.509317] ? check_preemption_disabled+0x48/0x200 [ 396.514359] irq_exit+0x17f/0x1c0 [ 396.517829] smp_apic_timer_interrupt+0x1cb/0x760 [ 396.522677] ? smp_reschedule_interrupt+0x109/0x650 [ 396.527703] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.533954] ? interrupt_entry+0xb5/0xf0 [ 396.538033] ? trace_hardirqs_off_caller+0xbb/0x300 [ 396.543059] ? trace_hardirqs_off_caller+0xbb/0x300 [ 396.548099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.552957] ? trace_hardirqs_off+0x300/0x300 [ 396.557465] ? trace_hardirqs_off+0x300/0x300 [ 396.561971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.567526] ? check_preemption_disabled+0x48/0x200 [ 396.572546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.578106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.582970] apic_timer_interrupt+0xf/0x20 [ 396.587209] [ 396.589454] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 396.594394] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 396.613312] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 396.621043] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 396.628340] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 396.635635] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 396.642928] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 396.650218] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 396.657568] skb_clone+0x1bb/0x500 [ 396.661142] ? finish_task_switch+0x2f5/0x900 [ 396.665667] ? skb_split+0x11e0/0x11e0 [ 396.669582] ? preempt_notifier_register+0x200/0x200 [ 396.674709] ? __switch_to_asm+0x34/0x70 [ 396.678793] ? __switch_to_asm+0x34/0x70 [ 396.682875] ? __switch_to_asm+0x40/0x70 [ 396.686965] ? __switch_to_asm+0x34/0x70 [ 396.691065] ? __switch_to_asm+0x40/0x70 [ 396.695164] ? __switch_to_asm+0x34/0x70 [ 396.699258] ? __switch_to_asm+0x40/0x70 [ 396.703339] ? __switch_to_asm+0x34/0x70 [ 396.707416] ? __switch_to_asm+0x34/0x70 [ 396.711489] ? __switch_to_asm+0x40/0x70 [ 396.715555] ? __switch_to_asm+0x34/0x70 [ 396.719639] bpf_clone_redirect+0xb9/0x490 [ 396.723887] ? __schedule+0x874/0x1ed0 [ 396.727793] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 396.732836] ? __sched_text_start+0x8/0x8 [ 396.737018] ? retint_kernel+0x2d/0x2d [ 396.740930] ? find_held_lock+0x36/0x1c0 [ 396.745027] ? lock_acquire+0x1ed/0x520 [ 396.749036] ? bpf_test_run+0x32e/0x5a0 [ 396.753048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.758628] ? check_preemption_disabled+0x48/0x200 [ 396.763690] ? kasan_check_read+0x11/0x20 [ 396.767883] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 396.773206] ? rcu_bh_qs+0xc0/0xc0 [ 396.776782] ? preempt_schedule+0x4d/0x60 [ 396.780956] ? ___preempt_schedule+0x16/0x18 [ 396.785397] ? bpf_test_run+0x1c0/0x5a0 [ 396.789396] ? netlink_diag_dump+0x2a0/0x2a0 [ 396.793825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.799377] ? bpf_test_init.isra.9+0x70/0x100 [ 396.803993] ? bpf_prog_test_run_skb+0x634/0xb40 [ 396.808779] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 396.813654] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 396.819224] ? fput+0x130/0x1a0 [ 396.822545] ? __bpf_prog_get+0x9b/0x290 [ 396.826649] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 396.831530] ? bpf_prog_test_run+0x130/0x1a0 [ 396.835991] ? __x64_sys_bpf+0x3d8/0x510 [ 396.840089] ? bpf_prog_get+0x20/0x20 [ 396.843921] ? ksys_ioctl+0x81/0xd0 [ 396.847577] ? do_syscall_64+0x1b9/0x820 [ 396.851652] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 396.857034] ? syscall_return_slowpath+0x5e0/0x5e0 [ 396.861989] ? trace_hardirqs_off+0x300/0x300 [ 396.866500] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 396.871527] ? recalc_sigpending_tsk+0x180/0x180 [ 396.876295] ? kasan_check_write+0x14/0x20 [ 396.880551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.885415] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.890809] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 396.890902] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.897738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.897744] Call Trace: [ 396.897751] [ 396.897773] dump_stack+0x1c4/0x2b4 [ 396.897791] ? dump_stack_print_info.cold.2+0x52/0x52 [ 396.904391] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.913644] warn_alloc.cold.118+0xb7/0x1bd [ 396.916196] syz-executor6 cpuset= [ 396.918343] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.921939] syz6 [ 396.927133] ? lock_downgrade+0x900/0x900 [ 396.937618] mems_allowed=0 [ 396.941948] ? trace_hardirqs_off+0xb8/0x300 [ 396.963642] ? trace_hardirqs_off+0xb8/0x300 [ 396.968078] __alloc_pages_slowpath+0x2667/0x2d80 [ 396.972962] ? warn_alloc+0x120/0x120 [ 396.976781] ? warn_alloc+0x120/0x120 [ 396.980600] ? print_usage_bug+0xc0/0xc0 [ 396.984672] ? warn_alloc+0x120/0x120 [ 396.988482] ? print_usage_bug+0xc0/0xc0 [ 396.992557] ? __lock_acquire+0x7ec/0x4ec0 [ 396.996807] ? __lock_acquire+0x7ec/0x4ec0 [ 397.001061] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.006621] ? should_fail+0x22d/0xd01 [ 397.010530] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.015646] ? __lock_acquire+0x7ec/0x4ec0 [ 397.019900] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.025027] ? __lock_acquire+0x7ec/0x4ec0 [ 397.029273] ? should_fail+0x22d/0xd01 [ 397.033183] ? mark_held_locks+0x130/0x130 [ 397.037437] ? mark_held_locks+0x130/0x130 [ 397.041689] ? graph_lock+0x170/0x170 [ 397.045553] ? graph_lock+0x170/0x170 [ 397.049374] ? graph_lock+0x170/0x170 [ 397.053189] ? print_usage_bug+0xc0/0xc0 [ 397.057265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.062827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.068399] ? check_preemption_disabled+0x48/0x200 [ 397.073439] ? check_preemption_disabled+0x48/0x200 [ 397.078490] ? __lock_is_held+0xb5/0x140 [ 397.082587] __alloc_pages_nodemask+0xa80/0xde0 [ 397.087280] ? graph_lock+0x170/0x170 [ 397.091109] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 397.096148] ? graph_lock+0x170/0x170 [ 397.099998] ? find_held_lock+0x36/0x1c0 [ 397.104099] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.108799] ? lock_downgrade+0x900/0x900 [ 397.112974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.118558] cache_grow_begin+0x91/0x8c0 [ 397.122659] ? do_raw_spin_unlock+0xa7/0x2f0 [ 397.127105] fallback_alloc+0x203/0x2e0 [ 397.131117] ____cache_alloc_node+0x1c7/0x1e0 [ 397.135652] kmem_cache_alloc_node+0xe3/0x730 [ 397.140187] ? ipv6_get_ifaddr+0x42e/0x620 [ 397.144470] __alloc_skb+0x119/0x770 [ 397.148219] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.153545] ? skb_scrub_packet+0x490/0x490 [ 397.157916] ? lock_downgrade+0x900/0x900 [ 397.162114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.167688] ? refcount_sub_and_test_checked+0x203/0x310 [ 397.173184] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 397.178690] ? addrconf_rs_timer+0x6f0/0x6f0 [ 397.183153] ndisc_alloc_skb+0x144/0x340 [ 397.187254] ndisc_send_rs+0x331/0x6e0 [ 397.191175] addrconf_rs_timer+0x3c0/0x6f0 [ 397.195450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.199727] call_timer_fn+0x272/0x920 [ 397.203642] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.207933] ? process_timeout+0x40/0x40 [ 397.212036] ? find_held_lock+0x36/0x1c0 [ 397.216148] ? mark_held_locks+0xc7/0x130 [ 397.220337] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.224865] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.229390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.233655] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 397.238269] ? trace_hardirqs_on+0xbd/0x310 [ 397.242610] ? kasan_check_read+0x11/0x20 [ 397.246778] ? __run_timers+0x7da/0xc70 [ 397.250767] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.256243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.260507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.264759] __run_timers+0x7e5/0xc70 [ 397.268600] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 397.273990] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.279290] ? rcu_bh_qs+0xc0/0xc0 [ 397.282849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.288411] ? mark_held_locks+0xc7/0x130 [ 397.292604] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 397.297405] ? retint_kernel+0x2d/0x2d [ 397.301327] ? trace_hardirqs_on_caller+0xc0/0x300 [ 397.306294] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 397.311101] ? trace_hardirqs_off_caller+0x300/0x300 [ 397.316254] ? check_preemption_disabled+0x48/0x200 [ 397.321309] ? graph_lock+0x170/0x170 [ 397.325140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.330700] ? check_preemption_disabled+0x48/0x200 [ 397.335757] ? __lock_is_held+0xb5/0x140 [ 397.339838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.345388] ? check_preemption_disabled+0x48/0x200 [ 397.350427] run_timer_softirq+0x52/0xb0 [ 397.354498] ? rcu_read_lock_sched_held+0x108/0x120 [ 397.359531] __do_softirq+0x30b/0xad8 [ 397.363357] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 397.368486] ? pvclock_read_flags+0x160/0x160 [ 397.373000] ? lapic_next_event+0x5a/0x90 [ 397.377165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.382722] ? check_preemption_disabled+0x48/0x200 [ 397.387751] ? check_preemption_disabled+0x48/0x200 [ 397.392787] ? kvm_clock_read+0x18/0x30 [ 397.396774] ? kvm_sched_clock_read+0x9/0x20 [ 397.401198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.406749] ? check_preemption_disabled+0x48/0x200 [ 397.411793] irq_exit+0x17f/0x1c0 [ 397.415266] smp_apic_timer_interrupt+0x1cb/0x760 [ 397.420129] ? smp_call_function_single_interrupt+0x650/0x650 [ 397.426034] ? interrupt_entry+0xb5/0xf0 [ 397.430111] ? trace_hardirqs_off_caller+0xbb/0x300 [ 397.435142] ? trace_hardirqs_off_caller+0xbb/0x300 [ 397.440180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.445047] ? trace_hardirqs_off+0x300/0x300 [ 397.449564] ? trace_hardirqs_off+0x300/0x300 [ 397.454091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.459646] ? check_preemption_disabled+0x48/0x200 [ 397.464680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.470254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.475129] apic_timer_interrupt+0xf/0x20 [ 397.479372] [ 397.481620] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 397.486910] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 397.505830] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 397.513573] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 397.520860] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 397.528153] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 397.535445] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 397.542734] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 397.550055] ? arch_local_irq_restore+0x45/0x52 [ 397.554768] dump_stack+0x26a/0x2b4 [ 397.558429] ? dump_stack_print_info.cold.2+0x52/0x52 [ 397.563643] ? mark_held_locks+0x130/0x130 [ 397.567893] ? mark_held_locks+0x130/0x130 [ 397.572152] dump_header+0x27b/0xf72 [ 397.575898] ? pagefault_out_of_memory+0x197/0x197 [ 397.580852] ? mark_held_locks+0x130/0x130 [ 397.585106] ? __lock_acquire+0x7ec/0x4ec0 [ 397.589362] ? mem_cgroup_charge_statistics+0x780/0x780 [ 397.594741] ? print_usage_bug+0xc0/0xc0 [ 397.598814] ? print_usage_bug+0xc0/0xc0 [ 397.602897] ? graph_lock+0x170/0x170 [ 397.606705] ? graph_lock+0x170/0x170 [ 397.610518] ? print_usage_bug+0xc0/0xc0 [ 397.614590] ? print_usage_bug+0xc0/0xc0 [ 397.618670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.624230] ? find_held_lock+0x36/0x1c0 [ 397.628314] ? mark_held_locks+0xc7/0x130 [ 397.632482] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 397.637605] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 397.642725] ? lockdep_hardirqs_on+0x421/0x5c0 [ 397.647324] ? trace_hardirqs_on+0xbd/0x310 [ 397.651653] ? kasan_check_read+0x11/0x20 [ 397.655843] ? ___ratelimit+0x36f/0x655 [ 397.659828] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.665296] ? trace_hardirqs_on+0x310/0x310 [ 397.669708] ? lock_downgrade+0x900/0x900 [ 397.673871] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.678994] ? ___ratelimit+0xaa/0x655 [ 397.682894] ? idr_get_free+0xec0/0xec0 [ 397.686876] ? kasan_check_write+0x14/0x20 [ 397.691143] ? do_raw_spin_lock+0xc1/0x200 [ 397.695408] oom_kill_process.cold.27+0x10/0x903 [ 397.700190] ? graph_lock+0x170/0x170 [ 397.704021] ? _raw_spin_unlock+0x2c/0x50 [ 397.708202] ? oom_badness+0xe6/0xaa0 [ 397.712050] ? oom_evaluate_task+0x540/0x540 [ 397.716497] ? find_held_lock+0x36/0x1c0 [ 397.720606] ? out_of_memory+0x974/0x14c0 [ 397.724789] ? lock_downgrade+0x900/0x900 [ 397.728961] ? check_preemption_disabled+0x48/0x200 [ 397.734033] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 397.739863] ? kasan_check_read+0x11/0x20 [ 397.744055] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.749370] ? rcu_bh_qs+0xc0/0xc0 [ 397.752946] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 397.758003] ? oom_evaluate_task+0x302/0x540 [ 397.762445] out_of_memory+0xa86/0x14c0 [ 397.766460] ? oom_killer_disable+0x3a0/0x3a0 [ 397.770998] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 397.775962] ? __mutex_add_waiter+0x2a0/0x2a0 [ 397.780513] __alloc_pages_slowpath+0x2318/0x2d80 [ 397.785425] ? warn_alloc+0x120/0x120 [ 397.789269] ? find_get_entry+0x2f2/0xc40 [ 397.793446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.799009] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 397.803951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.809501] ? should_fail+0x22d/0xd01 [ 397.813407] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.818521] ? __lock_is_held+0xb5/0x140 [ 397.822625] ? __lock_is_held+0xb5/0x140 [ 397.826702] ? find_held_lock+0x36/0x1c0 [ 397.830788] ? ___might_sleep+0x1ed/0x300 [ 397.834961] ? lock_release+0x970/0x970 [ 397.838972] ? arch_local_save_flags+0x40/0x40 [ 397.843620] ? __might_sleep+0x95/0x190 [ 397.847639] __alloc_pages_nodemask+0xa80/0xde0 [ 397.852357] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 397.857409] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 397.863225] ? kasan_check_read+0x11/0x20 [ 397.867392] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.872687] ? graph_lock+0x170/0x170 [ 397.876502] ? print_usage_bug+0xc0/0xc0 [ 397.880586] ? graph_lock+0x170/0x170 [ 397.884397] ? graph_lock+0x170/0x170 [ 397.888210] ? __do_page_cache_readahead+0x7ce/0x980 [ 397.893342] ? find_held_lock+0x36/0x1c0 [ 397.897424] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 397.903010] alloc_pages_current+0x10c/0x210 [ 397.907445] ? lock_downgrade+0x900/0x900 [ 397.911623] __page_cache_alloc+0x38f/0x5b0 [ 397.915958] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 397.921782] ? kasan_check_read+0x11/0x20 [ 397.925952] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.931279] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 397.936006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.941566] ? check_preemption_disabled+0x48/0x200 [ 397.946619] filemap_fault+0x1594/0x25f0 [ 397.950716] ? __lock_page_or_retry+0xa00/0xa00 [ 397.955406] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 397.961224] ? kasan_check_read+0x11/0x20 [ 397.965394] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.970693] ? rcu_bh_qs+0xc0/0xc0 [ 397.974264] ? filemap_map_pages+0xdea/0x1980 [ 397.978784] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.983914] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 397.989224] ? debug_object_free+0x325/0x690 [ 397.993657] ? find_get_pages_range_tag+0x1320/0x1320 [ 397.998870] ? graph_lock+0x170/0x170 [ 398.002695] ? kasan_check_read+0x11/0x20 [ 398.006865] ? debug_object_destroy+0x2b0/0x2b0 [ 398.011568] ? lock_acquire+0x1ed/0x520 [ 398.015566] ? ext4_filemap_fault+0x7a/0xad [ 398.020364] ? lock_release+0x970/0x970 [ 398.024353] ? arch_local_save_flags+0x40/0x40 [ 398.028959] ? futex_wait_setup+0x3e0/0x3e0 [ 398.033316] ? down_read+0xb0/0x1d0 [ 398.036954] ? ext4_filemap_fault+0x7a/0xad [ 398.041300] ? __down_interruptible+0x700/0x700 [ 398.046017] ext4_filemap_fault+0x82/0xad [ 398.050186] __do_fault+0x100/0x6b0 [ 398.053831] ? print_bad_pte+0x6c0/0x6c0 [ 398.057919] ? do_futex+0x249/0x26d0 [ 398.061662] ? kasan_check_read+0x11/0x20 [ 398.065835] ? pmd_val+0x88/0x100 [ 398.069314] ? add_mm_counter_fast+0xd0/0xd0 [ 398.073737] ? pmd_val+0x88/0x100 [ 398.077207] ? add_mm_counter_fast+0xd0/0xd0 [ 398.081633] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.087193] __handle_mm_fault+0x3709/0x53e0 [ 398.091619] ? perf_trace_lock+0x14d/0x7a0 [ 398.095882] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 398.100744] ? graph_lock+0x170/0x170 [ 398.104558] ? print_usage_bug+0xc0/0xc0 [ 398.108638] ? graph_lock+0x170/0x170 [ 398.112455] ? graph_lock+0x170/0x170 [ 398.116291] ? handle_mm_fault+0x42a/0xc70 [ 398.120548] ? lock_downgrade+0x900/0x900 [ 398.124736] ? check_preemption_disabled+0x48/0x200 [ 398.129809] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 398.135628] ? kasan_check_read+0x11/0x20 [ 398.139804] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 398.145122] ? rcu_bh_qs+0xc0/0xc0 [ 398.149219] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.154704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.160271] ? check_preemption_disabled+0x48/0x200 [ 398.165332] handle_mm_fault+0x54f/0xc70 [ 398.169439] ? __handle_mm_fault+0x53e0/0x53e0 [ 398.174064] ? find_vma+0x34/0x190 [ 398.177650] __do_page_fault+0x67d/0xed0 [ 398.181764] ? mm_fault_error+0x380/0x380 [ 398.185948] ? trace_hardirqs_off+0xb8/0x300 [ 398.190399] ? trace_hardirqs_on+0x310/0x310 [ 398.194842] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.200244] ? trace_hardirqs_on+0x310/0x310 [ 398.204691] do_page_fault+0xf2/0x7e0 [ 398.208526] ? vmalloc_sync_all+0x30/0x30 [ 398.212703] ? error_entry+0x70/0xd0 [ 398.216439] ? trace_hardirqs_off_caller+0xbb/0x300 [ 398.221475] ? trace_hardirqs_on_caller+0xc0/0x300 [ 398.226428] ? syscall_return_slowpath+0x5e0/0x5e0 [ 398.231381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.236264] ? trace_hardirqs_off+0x300/0x300 [ 398.240795] ? trace_hardirqs_off_caller+0x300/0x300 [ 398.245942] ? prepare_exit_to_usermode+0x291/0x3b0 [ 398.251021] ? page_fault+0x8/0x30 [ 398.254602] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.259492] ? page_fault+0x8/0x30 [ 398.263069] page_fault+0x1e/0x30 [ 398.266537] RIP: 0033:0x45ddf3 [ 398.269756] Code: Bad RIP value. [ 398.273134] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 398.278526] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 398.285823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 398.293115] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 398.300408] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 398.307700] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 398.315035] warn_alloc_show_mem: 1 callbacks suppressed [ 398.315049] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 398.315051] Mem-Info: [ 398.315084] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 398.315084] active_file:16 inactive_file:17 isolated_file:0 [ 398.315084] unevictable:0 dirty:0 writeback:0 unstable:0 [ 398.315084] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 398.315084] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 398.315084] free:13771 free_pcp:233 free_cma:0 [ 398.320448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.320463] Call Trace: [ 398.327777] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 398.330192] [ 398.363083] Node 0 [ 398.372465] dump_stack+0x1c4/0x2b4 [ 398.375054] 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 [ 398.402725] ? dump_stack_print_info.cold.2+0x52/0x52 [ 398.404849] lowmem_reserve[]: [ 398.407106] warn_alloc.cold.118+0xb7/0x1bd [ 398.410688] 0 [ 398.436216] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.441389] 2815 [ 398.444505] ? lock_downgrade+0x900/0x900 [ 398.448791] 6318 6318 [ 398.450615] ? trace_hardirqs_off+0xb8/0x300 [ 398.455430] Node 0 [ 398.457503] ? trace_hardirqs_off+0xb8/0x300 [ 398.461643] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 398.464126] __alloc_pages_slowpath+0x2667/0x2d80 [ 398.468498] lowmem_reserve[]: [ 398.470768] ? warn_alloc+0x120/0x120 [ 398.475126] 0 [ 398.501871] ? trace_hardirqs_on+0x310/0x310 [ 398.506698] 0 [ 398.509817] ? warn_alloc+0x120/0x120 [ 398.513611] 3503 [ 398.515419] ? print_usage_bug+0xc0/0xc0 [ 398.519794] 3503 [ 398.521610] ? warn_alloc+0x120/0x120 [ 398.525381] Node 0 [ 398.527454] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 398.531514] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 398.533561] ? print_usage_bug+0xc0/0xc0 [ 398.537324] lowmem_reserve[]: 0 [ 398.539584] ? __lock_acquire+0x7ec/0x4ec0 [ 398.544589] 0 [ 398.572993] ? __lock_acquire+0x7ec/0x4ec0 [ 398.577035] 0 [ 398.580332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.584531] 0 [ 398.586350] ? should_fail+0x22d/0xd01 [ 398.590562] Node 0 [ 398.592372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.597886] DMA: [ 398.599700] ? __lock_acquire+0x7ec/0x4ec0 [ 398.603561] 1*4kB [ 398.605811] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.610888] (U) [ 398.612962] ? __lock_acquire+0x7ec/0x4ec0 [ 398.617173] 0*8kB [ 398.619332] ? should_fail+0x22d/0xd01 [ 398.624407] 0*16kB [ 398.626390] ? print_usage_bug+0xc0/0xc0 [ 398.630601] 1*32kB [ 398.632765] ? mark_held_locks+0x130/0x130 [ 398.636613] (U) [ 398.638859] ? mark_held_locks+0x130/0x130 [ 398.642889] 2*64kB [ 398.645141] ? graph_lock+0x170/0x170 [ 398.649348] (U) [ 398.651331] ? print_usage_bug+0xc0/0xc0 [ 398.655539] 1*128kB [ 398.657781] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 398.657804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.661590] (U) [ 398.663570] ? check_preemption_disabled+0x48/0x200 [ 398.667608] 1*256kB [ 398.669944] ? check_preemption_disabled+0x48/0x200 [ 398.674689] (U) [ 398.680335] ? __lock_is_held+0xb5/0x140 [ 398.682279] 0*512kB [ 398.687307] __alloc_pages_nodemask+0xa80/0xde0 [ 398.689604] 1*1024kB [ 398.694628] ? graph_lock+0x170/0x170 [ 398.696579] (U) [ 398.700654] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 398.702952] 1*2048kB [ 398.707624] ? graph_lock+0x170/0x170 [ 398.707653] ? find_held_lock+0x36/0x1c0 [ 398.710041] (M) [ 398.713853] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.715799] 3*4096kB [ 398.720837] ? lock_downgrade+0x900/0x900 [ 398.723233] (M) [ 398.727055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.731103] = 15908kB [ 398.733108] cache_grow_begin+0x91/0x8c0 [ 398.737776] Node 0 [ 398.740211] ? do_raw_spin_unlock+0xa7/0x2f0 [ 398.744337] DMA32: [ 398.746334] fallback_alloc+0x203/0x2e0 [ 398.751847] 3*4kB [ 398.754281] ____cache_alloc_node+0x1c7/0x1e0 [ 398.758319] (M) [ 398.760575] kmem_cache_alloc_node+0xe3/0x730 [ 398.764960] 2*8kB [ 398.767218] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.771173] (M) [ 398.773346] __alloc_skb+0x119/0x770 [ 398.777809] 2*16kB (UM) [ 398.779811] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 398.784287] 1*32kB [ 398.786459] ? skb_scrub_packet+0x490/0x490 [ 398.790680] (M) [ 398.792671] ? lock_downgrade+0x900/0x900 [ 398.796361] 3*64kB [ 398.799050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.804309] (UM) [ 398.806557] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.810851] 3*128kB [ 398.812841] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.816958] (M) 2*256kB [ 398.819242] ? addrconf_rs_timer+0x6f0/0x6f0 [ 398.824763] (M) [ 398.826855] ndisc_alloc_skb+0x144/0x340 [ 398.832287] 3*512kB [ 398.834634] ndisc_send_rs+0x331/0x6e0 [ 398.840067] (M) [ 398.842773] addrconf_rs_timer+0x3c0/0x6f0 [ 398.847174] 4*1024kB [ 398.849203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.853253] (UM) [ 398.855612] call_timer_fn+0x272/0x920 [ 398.859482] 3*2048kB [ 398.861484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.865701] (M) [ 398.868142] ? process_timeout+0x40/0x40 [ 398.872360] 3*4096kB [ 398.874444] ? find_held_lock+0x36/0x1c0 [ 398.878307] (M) = 25244kB [ 398.880750] ? __run_timers+0x7da/0xc70 [ 398.884951] Node 0 [ 398.886941] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.890962] Normal: 1139*4kB [ 398.893414] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.897445] (MEH) [ 398.900216] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.904162] 438*8kB [ 398.906404] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 398.910867] (UME) [ 398.913975] ? trace_hardirqs_on+0xbd/0x310 [ 398.918439] 175*16kB [ 398.920589] ? kasan_check_read+0x11/0x20 [ 398.920611] ? __run_timers+0x7da/0xc70 [ 398.924825] (UME) [ 398.927160] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.931714] 64*32kB [ 398.933872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.938159] (UMEH) [ 398.940583] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.944708] 14*64kB (UM) [ 398.948716] __run_timers+0x7e5/0xc70 [ 398.950840] 1*128kB [ 398.956311] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 398.958628] (H) [ 398.962876] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 398.965087] 0*256kB [ 398.969331] ? graph_lock+0x170/0x170 [ 398.972061] 0*512kB [ 398.975870] ? enqueue_hrtimer+0x1a5/0x560 [ 398.978164] 0*1024kB [ 398.983532] ? lock_release+0x970/0x970 [ 398.983556] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 398.985516] 0*2048kB [ 398.990541] ? find_held_lock+0x36/0x1c0 [ 398.992836] 0*4096kB [ 398.996642] ? graph_lock+0x170/0x170 [ 398.998938] = 13932kB [ 399.003178] ? pvclock_read_flags+0x160/0x160 [ 399.005575] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 399.009549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.014718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 399.017129] ? check_preemption_disabled+0x48/0x200 [ 399.021163] 788 total pagecache pages [ 399.023588] ? __lock_is_held+0xb5/0x140 [ 399.027375] 0 pages in swap cache [ 399.029797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.034261] Swap cache stats: add 0, delete 0, find 0/0 [ 399.034273] Free swap = 0kB [ 399.043135] ? check_preemption_disabled+0x48/0x200 [ 399.048653] Total swap = 0kB [ 399.048664] 1965979 pages RAM [ 399.057269] run_timer_softirq+0x52/0xb0 [ 399.062262] 0 pages HighMem/MovableOnly [ 399.062274] 343323 pages reserved [ 399.066098] ? rcu_read_lock_sched_held+0x108/0x120 [ 399.070138] 0 pages cma reserved [ 399.073614] __do_softirq+0x30b/0xad8 [ 399.079214] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 399.084524] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 399.084545] ? pvclock_read_flags+0x160/0x160 [ 399.084559] ? lapic_next_event+0x5a/0x90 [ 399.084582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.087680] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.092636] ? check_preemption_disabled+0x48/0x200 [ 399.095636] syz-fuzzer cpuset= [ 399.098751] ? check_preemption_disabled+0x48/0x200 [ 399.102788] / [ 399.106776] ? kvm_clock_read+0x18/0x30 [ 399.110207] mems_allowed=0 [ 399.115238] ? kvm_sched_clock_read+0x9/0x20 [ 399.184657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.190230] ? check_preemption_disabled+0x48/0x200 [ 399.195307] irq_exit+0x17f/0x1c0 [ 399.198812] smp_apic_timer_interrupt+0x1cb/0x760 [ 399.203701] ? smp_reschedule_interrupt+0x109/0x650 [ 399.208770] ? smp_call_function_single_interrupt+0x650/0x650 [ 399.214700] ? interrupt_entry+0xb5/0xf0 [ 399.218804] ? trace_hardirqs_off_caller+0xbb/0x300 [ 399.223851] ? trace_hardirqs_off_caller+0xbb/0x300 [ 399.228901] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.233765] ? trace_hardirqs_off+0x300/0x300 [ 399.238276] ? trace_hardirqs_off+0x300/0x300 [ 399.242792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.248346] ? check_preemption_disabled+0x48/0x200 [ 399.253383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.258954] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.263842] apic_timer_interrupt+0xf/0x20 [ 399.268093] [ 399.270352] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 399.275299] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 399.294222] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 399.301961] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 399.309262] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 399.316554] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 399.323848] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 399.331165] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 399.338519] skb_clone+0x1bb/0x500 [ 399.342099] ? finish_task_switch+0x2f5/0x900 [ 399.346635] ? skb_split+0x11e0/0x11e0 [ 399.350561] ? preempt_notifier_register+0x200/0x200 [ 399.355693] ? __switch_to_asm+0x34/0x70 [ 399.359783] ? __switch_to_asm+0x34/0x70 [ 399.363869] ? __switch_to_asm+0x40/0x70 [ 399.367953] ? __switch_to_asm+0x34/0x70 [ 399.372044] ? __switch_to_asm+0x40/0x70 [ 399.376137] ? __switch_to_asm+0x34/0x70 [ 399.380220] ? __switch_to_asm+0x40/0x70 [ 399.384302] ? __switch_to_asm+0x34/0x70 [ 399.388389] ? __switch_to_asm+0x34/0x70 [ 399.392475] ? __switch_to_asm+0x40/0x70 [ 399.396562] ? __switch_to_asm+0x34/0x70 [ 399.400665] bpf_clone_redirect+0xb9/0x490 [ 399.404930] ? __schedule+0x874/0x1ed0 [ 399.408850] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 399.413904] ? __sched_text_start+0x8/0x8 [ 399.418089] ? retint_kernel+0x2d/0x2d [ 399.422024] ? find_held_lock+0x36/0x1c0 [ 399.426127] ? lock_acquire+0x1ed/0x520 [ 399.430129] ? bpf_test_run+0x32e/0x5a0 [ 399.434138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.439706] ? check_preemption_disabled+0x48/0x200 [ 399.444757] ? kasan_check_read+0x11/0x20 [ 399.448942] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.454277] ? rcu_bh_qs+0xc0/0xc0 [ 399.457850] ? preempt_schedule+0x4d/0x60 [ 399.462037] ? ___preempt_schedule+0x16/0x18 [ 399.466486] ? bpf_test_run+0x1c0/0x5a0 [ 399.470496] ? netlink_diag_dump+0x2a0/0x2a0 [ 399.474929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.480487] ? bpf_test_init.isra.9+0x70/0x100 [ 399.485106] ? bpf_prog_test_run_skb+0x634/0xb40 [ 399.489894] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 399.494764] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 399.500333] ? fput+0x130/0x1a0 [ 399.503645] ? __bpf_prog_get+0x9b/0x290 [ 399.507743] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 399.512621] ? bpf_prog_test_run+0x130/0x1a0 [ 399.517070] ? __x64_sys_bpf+0x3d8/0x510 [ 399.521179] ? bpf_prog_get+0x20/0x20 [ 399.525023] ? ksys_ioctl+0x81/0xd0 [ 399.528679] ? do_syscall_64+0x1b9/0x820 [ 399.532756] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 399.538145] ? syscall_return_slowpath+0x5e0/0x5e0 [ 399.543116] ? trace_hardirqs_off+0x300/0x300 [ 399.547645] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 399.552690] ? recalc_sigpending_tsk+0x180/0x180 [ 399.557470] ? kasan_check_write+0x14/0x20 [ 399.561737] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.566618] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 399.572033] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 399.572134] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 399.578977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.578991] Call Trace: [ 399.578999] [ 399.579024] dump_stack+0x1c4/0x2b4 [ 399.579038] ? dump_stack_print_info.cold.2+0x52/0x52 [ 399.579064] warn_alloc.cold.118+0xb7/0x1bd [ 399.579090] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.585727] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.594966] ? lock_downgrade+0x900/0x900 [ 399.597528] syz-executor6 cpuset= [ 399.599686] ? trace_hardirqs_off+0xb8/0x300 [ 399.603275] syz6 [ 399.608472] ? trace_hardirqs_off+0xb8/0x300 [ 399.612770] mems_allowed=0 [ 399.617625] __alloc_pages_slowpath+0x2667/0x2d80 [ 399.654291] ? warn_alloc+0x120/0x120 [ 399.658118] ? warn_alloc+0x120/0x120 [ 399.661934] ? print_usage_bug+0xc0/0xc0 [ 399.666018] ? warn_alloc+0x120/0x120 [ 399.669837] ? print_usage_bug+0xc0/0xc0 [ 399.673915] ? __lock_acquire+0x7ec/0x4ec0 [ 399.678162] ? __lock_acquire+0x7ec/0x4ec0 [ 399.682414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.687971] ? should_fail+0x22d/0xd01 [ 399.691886] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.697012] ? __lock_acquire+0x7ec/0x4ec0 [ 399.701265] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.706382] ? __lock_acquire+0x7ec/0x4ec0 [ 399.710628] ? should_fail+0x22d/0xd01 [ 399.714543] ? mark_held_locks+0x130/0x130 [ 399.718796] ? mark_held_locks+0x130/0x130 [ 399.723040] ? graph_lock+0x170/0x170 [ 399.726855] ? graph_lock+0x170/0x170 [ 399.730676] ? graph_lock+0x170/0x170 [ 399.734494] ? print_usage_bug+0xc0/0xc0 [ 399.738578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.744151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.749723] ? check_preemption_disabled+0x48/0x200 [ 399.754770] ? check_preemption_disabled+0x48/0x200 [ 399.759834] ? __lock_is_held+0xb5/0x140 [ 399.763942] __alloc_pages_nodemask+0xa80/0xde0 [ 399.768653] ? graph_lock+0x170/0x170 [ 399.772494] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 399.777532] ? graph_lock+0x170/0x170 [ 399.781378] ? find_held_lock+0x36/0x1c0 [ 399.785477] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.790179] ? lock_downgrade+0x900/0x900 [ 399.794366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.799942] cache_grow_begin+0x91/0x8c0 [ 399.804040] ? do_raw_spin_unlock+0xa7/0x2f0 [ 399.808499] fallback_alloc+0x203/0x2e0 [ 399.812520] ____cache_alloc_node+0x1c7/0x1e0 [ 399.817057] kmem_cache_alloc_node+0xe3/0x730 [ 399.821621] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.825908] __alloc_skb+0x119/0x770 [ 399.829661] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.834990] ? skb_scrub_packet+0x490/0x490 [ 399.839341] ? lock_downgrade+0x900/0x900 [ 399.843522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.849094] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.854588] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.860067] ? addrconf_rs_timer+0x6f0/0x6f0 [ 399.864508] ndisc_alloc_skb+0x144/0x340 [ 399.868599] ndisc_send_rs+0x331/0x6e0 [ 399.872532] addrconf_rs_timer+0x3c0/0x6f0 [ 399.876819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.881104] call_timer_fn+0x272/0x920 [ 399.885044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.889322] ? process_timeout+0x40/0x40 [ 399.893419] ? find_held_lock+0x36/0x1c0 [ 399.897530] ? mark_held_locks+0xc7/0x130 [ 399.901716] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.906240] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.910752] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.915008] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 399.919608] ? trace_hardirqs_on+0xbd/0x310 [ 399.923934] ? kasan_check_read+0x11/0x20 [ 399.928094] ? __run_timers+0x7da/0xc70 [ 399.932083] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.937553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.941806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.946053] __run_timers+0x7e5/0xc70 [ 399.949882] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 399.955280] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.960575] ? rcu_bh_qs+0xc0/0xc0 [ 399.964126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.969673] ? mark_held_locks+0xc7/0x130 [ 399.973835] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 399.978605] ? retint_kernel+0x2d/0x2d [ 399.982502] ? trace_hardirqs_on_caller+0xc0/0x300 [ 399.987443] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 399.992206] ? trace_hardirqs_off_caller+0x300/0x300 [ 399.997319] ? check_preemption_disabled+0x48/0x200 [ 400.002346] ? graph_lock+0x170/0x170 [ 400.006162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.011706] ? check_preemption_disabled+0x48/0x200 [ 400.016965] ? __lock_is_held+0xb5/0x140 [ 400.021041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.026589] ? check_preemption_disabled+0x48/0x200 [ 400.031622] run_timer_softirq+0x52/0xb0 [ 400.035690] ? rcu_read_lock_sched_held+0x108/0x120 [ 400.040718] __do_softirq+0x30b/0xad8 [ 400.044545] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 400.049690] ? pvclock_read_flags+0x160/0x160 [ 400.054260] ? lapic_next_event+0x5a/0x90 [ 400.058425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.063975] ? check_preemption_disabled+0x48/0x200 [ 400.069012] ? check_preemption_disabled+0x48/0x200 [ 400.074052] ? kvm_clock_read+0x18/0x30 [ 400.078042] ? kvm_sched_clock_read+0x9/0x20 [ 400.082467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.088024] ? check_preemption_disabled+0x48/0x200 [ 400.093073] irq_exit+0x17f/0x1c0 [ 400.096545] smp_apic_timer_interrupt+0x1cb/0x760 [ 400.101409] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.107306] ? interrupt_entry+0xb5/0xf0 [ 400.111385] ? trace_hardirqs_off_caller+0xbb/0x300 [ 400.116497] ? trace_hardirqs_off_caller+0xbb/0x300 [ 400.121531] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.126387] ? trace_hardirqs_off+0x300/0x300 [ 400.130894] ? trace_hardirqs_off+0x300/0x300 [ 400.135405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.140957] ? check_preemption_disabled+0x48/0x200 [ 400.146010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.152082] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.156967] apic_timer_interrupt+0xf/0x20 [ 400.161223] [ 400.163480] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 400.168775] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 400.187786] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 400.195524] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 400.202822] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 400.210127] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 400.217433] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 400.224729] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 400.232057] ? arch_local_irq_restore+0x45/0x52 [ 400.236773] dump_stack+0x26a/0x2b4 [ 400.240435] ? dump_stack_print_info.cold.2+0x52/0x52 [ 400.245656] ? mark_held_locks+0x130/0x130 [ 400.249913] ? mark_held_locks+0x130/0x130 [ 400.254183] dump_header+0x27b/0xf72 [ 400.257944] ? pagefault_out_of_memory+0x197/0x197 [ 400.262925] ? mark_held_locks+0x130/0x130 [ 400.267186] ? __lock_acquire+0x7ec/0x4ec0 [ 400.271454] ? mem_cgroup_charge_statistics+0x780/0x780 [ 400.276889] ? print_usage_bug+0xc0/0xc0 [ 400.280996] ? print_usage_bug+0xc0/0xc0 [ 400.285100] ? graph_lock+0x170/0x170 [ 400.288928] ? graph_lock+0x170/0x170 [ 400.292759] ? print_usage_bug+0xc0/0xc0 [ 400.296867] ? print_usage_bug+0xc0/0xc0 [ 400.300960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.306525] ? find_held_lock+0x36/0x1c0 [ 400.310610] ? mark_held_locks+0xc7/0x130 [ 400.314775] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 400.319886] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 400.325014] ? lockdep_hardirqs_on+0x421/0x5c0 [ 400.329613] ? trace_hardirqs_on+0xbd/0x310 [ 400.333938] ? kasan_check_read+0x11/0x20 [ 400.338099] ? ___ratelimit+0x36f/0x655 [ 400.342088] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.347552] ? trace_hardirqs_on+0x310/0x310 [ 400.351977] ? lock_downgrade+0x900/0x900 [ 400.356183] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 400.361323] ? ___ratelimit+0xaa/0x655 [ 400.365250] ? idr_get_free+0xec0/0xec0 [ 400.369263] ? kasan_check_write+0x14/0x20 [ 400.373535] ? do_raw_spin_lock+0xc1/0x200 [ 400.377822] oom_kill_process.cold.27+0x10/0x903 [ 400.382625] ? graph_lock+0x170/0x170 [ 400.386462] ? _raw_spin_unlock+0x2c/0x50 [ 400.390632] ? oom_badness+0xe6/0xaa0 [ 400.394454] ? oom_evaluate_task+0x540/0x540 [ 400.398878] ? find_held_lock+0x36/0x1c0 [ 400.402959] ? out_of_memory+0x974/0x14c0 [ 400.407127] ? lock_downgrade+0x900/0x900 [ 400.411282] ? check_preemption_disabled+0x48/0x200 [ 400.416317] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 400.422132] ? kasan_check_read+0x11/0x20 [ 400.426313] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 400.431631] ? rcu_bh_qs+0xc0/0xc0 [ 400.435208] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 400.440239] ? oom_evaluate_task+0x302/0x540 [ 400.444661] out_of_memory+0xa86/0x14c0 [ 400.448657] ? oom_killer_disable+0x3a0/0x3a0 [ 400.453160] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 400.458101] ? __mutex_add_waiter+0x2a0/0x2a0 [ 400.462622] __alloc_pages_slowpath+0x2318/0x2d80 [ 400.467502] ? warn_alloc+0x120/0x120 [ 400.471326] ? find_get_entry+0x2f2/0xc40 [ 400.475493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.481043] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 400.485993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.491544] ? should_fail+0x22d/0xd01 [ 400.495448] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.500557] ? __lock_is_held+0xb5/0x140 [ 400.504654] ? __lock_is_held+0xb5/0x140 [ 400.508729] ? find_held_lock+0x36/0x1c0 [ 400.512797] ? ___might_sleep+0x1ed/0x300 [ 400.516946] ? lock_release+0x970/0x970 [ 400.520930] ? arch_local_save_flags+0x40/0x40 [ 400.525535] ? __might_sleep+0x95/0x190 [ 400.529520] __alloc_pages_nodemask+0xa80/0xde0 [ 400.534224] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 400.539255] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 400.545062] ? kasan_check_read+0x11/0x20 [ 400.549233] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 400.554532] ? graph_lock+0x170/0x170 [ 400.558346] ? print_usage_bug+0xc0/0xc0 [ 400.562419] ? graph_lock+0x170/0x170 [ 400.566225] ? graph_lock+0x170/0x170 [ 400.570035] ? __do_page_cache_readahead+0x7ce/0x980 [ 400.575154] ? find_held_lock+0x36/0x1c0 [ 400.579226] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 400.584776] alloc_pages_current+0x10c/0x210 [ 400.589195] ? lock_downgrade+0x900/0x900 [ 400.593359] __page_cache_alloc+0x38f/0x5b0 [ 400.597689] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 400.603493] ? kasan_check_read+0x11/0x20 [ 400.607654] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 400.612946] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 400.617634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.623184] ? check_preemption_disabled+0x48/0x200 [ 400.628223] filemap_fault+0x1594/0x25f0 [ 400.632323] ? __lock_page_or_retry+0xa00/0xa00 [ 400.637026] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 400.642844] ? kasan_check_read+0x11/0x20 [ 400.647019] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 400.652315] ? rcu_bh_qs+0xc0/0xc0 [ 400.655888] ? filemap_map_pages+0xdea/0x1980 [ 400.660402] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 400.665521] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 400.670807] ? debug_object_free+0x325/0x690 [ 400.675228] ? find_get_pages_range_tag+0x1320/0x1320 [ 400.680434] ? graph_lock+0x170/0x170 [ 400.684246] ? kasan_check_read+0x11/0x20 [ 400.688402] ? debug_object_destroy+0x2b0/0x2b0 [ 400.693094] ? lock_acquire+0x1ed/0x520 [ 400.697082] ? ext4_filemap_fault+0x7a/0xad [ 400.701424] ? lock_release+0x970/0x970 [ 400.705403] ? arch_local_save_flags+0x40/0x40 [ 400.710006] ? futex_wait_setup+0x3e0/0x3e0 [ 400.714351] ? down_read+0xb0/0x1d0 [ 400.717989] ? ext4_filemap_fault+0x7a/0xad [ 400.722321] ? __down_interruptible+0x700/0x700 [ 400.727026] ext4_filemap_fault+0x82/0xad [ 400.731191] __do_fault+0x100/0x6b0 [ 400.734831] ? print_bad_pte+0x6c0/0x6c0 [ 400.738902] ? do_futex+0x249/0x26d0 [ 400.742627] ? kasan_check_read+0x11/0x20 [ 400.746792] ? pmd_val+0x88/0x100 [ 400.750259] ? add_mm_counter_fast+0xd0/0xd0 [ 400.754690] ? pmd_val+0x88/0x100 [ 400.758177] ? add_mm_counter_fast+0xd0/0xd0 [ 400.762675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.768261] __handle_mm_fault+0x3709/0x53e0 [ 400.772698] ? perf_trace_lock+0x14d/0x7a0 [ 400.776976] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 400.781860] ? graph_lock+0x170/0x170 [ 400.785706] ? print_usage_bug+0xc0/0xc0 [ 400.789795] ? graph_lock+0x170/0x170 [ 400.793623] ? graph_lock+0x170/0x170 [ 400.797467] ? handle_mm_fault+0x42a/0xc70 [ 400.801721] ? lock_downgrade+0x900/0x900 [ 400.805885] ? check_preemption_disabled+0x48/0x200 [ 400.810934] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 400.816750] ? kasan_check_read+0x11/0x20 [ 400.820931] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 400.826242] ? rcu_bh_qs+0xc0/0xc0 [ 400.829804] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.835291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.840856] ? check_preemption_disabled+0x48/0x200 [ 400.845902] handle_mm_fault+0x54f/0xc70 [ 400.849994] ? __handle_mm_fault+0x53e0/0x53e0 [ 400.854606] ? find_vma+0x34/0x190 [ 400.858168] __do_page_fault+0x67d/0xed0 [ 400.862255] ? mm_fault_error+0x380/0x380 [ 400.866407] ? trace_hardirqs_off+0xb8/0x300 [ 400.870824] ? trace_hardirqs_on+0x310/0x310 [ 400.875259] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.880640] ? trace_hardirqs_on+0x310/0x310 [ 400.885090] do_page_fault+0xf2/0x7e0 [ 400.888925] ? vmalloc_sync_all+0x30/0x30 [ 400.893108] ? error_entry+0x70/0xd0 [ 400.896857] ? trace_hardirqs_off_caller+0xbb/0x300 [ 400.901907] ? trace_hardirqs_on_caller+0xc0/0x300 [ 400.906873] ? syscall_return_slowpath+0x5e0/0x5e0 [ 400.911825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.916685] ? trace_hardirqs_off+0x300/0x300 [ 400.921189] ? trace_hardirqs_off_caller+0x300/0x300 [ 400.926309] ? prepare_exit_to_usermode+0x291/0x3b0 [ 400.931336] ? page_fault+0x8/0x30 [ 400.934889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.939748] ? page_fault+0x8/0x30 [ 400.943321] page_fault+0x1e/0x30 [ 400.946783] RIP: 0033:0x45ddf3 [ 400.949996] Code: Bad RIP value. [ 400.953363] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 400.958736] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 400.966024] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 400.973311] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 400.980610] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 400.987903] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 400.995222] warn_alloc_show_mem: 1 callbacks suppressed [ 400.995236] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 400.995238] Mem-Info: [ 400.995272] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 400.995272] active_file:16 inactive_file:17 isolated_file:0 [ 400.995272] unevictable:0 dirty:0 writeback:0 unstable:0 [ 400.995272] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 400.995272] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 400.995272] free:13771 free_pcp:233 free_cma:0 [ 401.000623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.000636] Call Trace: [ 401.007938] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 401.010341] [ 401.043225] Node 0 [ 401.052614] dump_stack+0x1c4/0x2b4 [ 401.055209] 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 [ 401.084702] ? dump_stack_print_info.cold.2+0x52/0x52 [ 401.086826] lowmem_reserve[]: [ 401.089081] warn_alloc.cold.118+0xb7/0x1bd [ 401.092662] 0 [ 401.118191] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.123361] 2815 [ 401.126478] ? lock_downgrade+0x900/0x900 [ 401.130767] 6318 6318 [ 401.132587] ? trace_hardirqs_off+0xb8/0x300 [ 401.137398] Node 0 [ 401.139472] ? trace_hardirqs_off+0xb8/0x300 [ 401.143627] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 401.146118] __alloc_pages_slowpath+0x2667/0x2d80 [ 401.150483] lowmem_reserve[]: 0 [ 401.152762] ? warn_alloc+0x120/0x120 [ 401.157113] 0 [ 401.183854] ? trace_hardirqs_on+0x310/0x310 [ 401.188675] 3503 [ 401.191962] ? warn_alloc+0x120/0x120 [ 401.195731] 3503 [ 401.197557] ? print_usage_bug+0xc0/0xc0 [ 401.204005] ? warn_alloc+0x120/0x120 [ 401.207775] Node 0 [ 401.209838] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 401.213896] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 401.217667] ? print_usage_bug+0xc0/0xc0 [ 401.219869] lowmem_reserve[]: 0 [ 401.224899] ? __lock_acquire+0x7ec/0x4ec0 [ 401.253267] 0 0 [ 401.257369] ? __lock_acquire+0x7ec/0x4ec0 [ 401.260613] 0 [ 401.264873] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.266816] Node 0 [ 401.271057] ? should_fail+0x22d/0xd01 [ 401.272825] DMA: [ 401.278369] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.280578] 1*4kB [ 401.284462] ? __lock_acquire+0x7ec/0x4ec0 [ 401.286495] (U) [ 401.291631] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.293767] 0*8kB [ 401.298014] ? __lock_acquire+0x7ec/0x4ec0 [ 401.299952] 0*16kB 1*32kB [ 401.305094] ? should_fail+0x22d/0xd01 [ 401.305113] ? print_usage_bug+0xc0/0xc0 [ 401.307242] (U) [ 401.311489] ? mark_held_locks+0x130/0x130 [ 401.314304] 2*64kB [ 401.318195] ? mark_held_locks+0x130/0x130 [ 401.322221] (U) [ 401.324206] ? graph_lock+0x170/0x170 [ 401.328410] 1*128kB [ 401.330649] ? print_usage_bug+0xc0/0xc0 [ 401.334851] (U) [ 401.336834] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 401.340604] 1*256kB [ 401.342935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.346968] (U) [ 401.348956] ? check_preemption_disabled+0x48/0x200 [ 401.353685] 0*512kB [ 401.356015] ? check_preemption_disabled+0x48/0x200 [ 401.356045] ? __lock_is_held+0xb5/0x140 [ 401.361557] 1*1024kB [ 401.363550] __alloc_pages_nodemask+0xa80/0xde0 [ 401.368529] (U) [ 401.370856] ? graph_lock+0x170/0x170 [ 401.375846] 1*2048kB [ 401.379917] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 401.382302] (M) [ 401.386991] ? graph_lock+0x170/0x170 [ 401.388938] 3*4096kB [ 401.392751] ? find_held_lock+0x36/0x1c0 [ 401.395132] (M) [ 401.400162] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.402107] = 15908kB [ 401.405908] ? lock_downgrade+0x900/0x900 [ 401.408288] Node 0 [ 401.412357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.414294] DMA32: [ 401.418970] cache_grow_begin+0x91/0x8c0 [ 401.421351] 3*4kB [ 401.425502] ? do_raw_spin_unlock+0xa7/0x2f0 [ 401.427704] (M) [ 401.433253] fallback_alloc+0x203/0x2e0 [ 401.435457] 2*8kB [ 401.439526] ____cache_alloc_node+0x1c7/0x1e0 [ 401.441639] (M) [ 401.446057] kmem_cache_alloc_node+0xe3/0x730 [ 401.450083] 2*16kB (UM) [ 401.454080] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.456191] 1*32kB [ 401.460699] __alloc_skb+0x119/0x770 [ 401.462636] (M) [ 401.467141] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 401.469784] 3*64kB [ 401.474034] ? skb_scrub_packet+0x490/0x490 [ 401.476232] (UM) 3*128kB [ 401.479965] ? lock_downgrade+0x900/0x900 [ 401.481909] (M) [ 401.487194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.489398] 2*256kB [ 401.493727] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.496451] (M) [ 401.500606] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.502550] 3*512kB [ 401.508099] ? addrconf_rs_timer+0x6f0/0x6f0 [ 401.510384] (M) [ 401.515852] ndisc_alloc_skb+0x144/0x340 [ 401.517785] 4*1024kB (UM) [ 401.523255] ndisc_send_rs+0x331/0x6e0 [ 401.525545] 3*2048kB [ 401.529968] addrconf_rs_timer+0x3c0/0x6f0 [ 401.531910] (M) [ 401.535995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.538810] 3*4096kB [ 401.542718] call_timer_fn+0x272/0x920 [ 401.545102] (M) [ 401.549352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.551303] = 25244kB [ 401.555559] ? process_timeout+0x40/0x40 [ 401.557944] Node 0 [ 401.561846] ? find_held_lock+0x36/0x1c0 [ 401.563796] Normal: [ 401.568048] ? __run_timers+0x7da/0xc70 [ 401.570432] 1139*4kB [ 401.574503] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.576709] (MEH) [ 401.580782] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.583075] 438*8kB [ 401.587068] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.589448] (UME) [ 401.593958] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 401.596102] 175*16kB [ 401.600614] ? trace_hardirqs_on+0xbd/0x310 [ 401.602921] (UME) [ 401.607172] ? kasan_check_read+0x11/0x20 [ 401.609311] 64*32kB [ 401.613907] ? __run_timers+0x7da/0xc70 [ 401.616282] (UMEH) [ 401.620610] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.620632] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.622762] 14*64kB [ 401.626925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.629232] (UM) [ 401.633234] __run_timers+0x7e5/0xc70 [ 401.635444] 1*128kB [ 401.640917] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 401.645118] (H) [ 401.647454] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 401.651667] 0*256kB [ 401.653751] ? graph_lock+0x170/0x170 [ 401.657527] 0*512kB 0*1024kB [ 401.659885] ? enqueue_hrtimer+0x1a5/0x560 [ 401.665232] 0*2048kB 0*4096kB [ 401.667250] ? lock_release+0x970/0x970 [ 401.672245] = 13932kB [ 401.674575] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 401.678358] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 401.681468] ? find_held_lock+0x36/0x1c0 [ 401.685680] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 401.688882] ? graph_lock+0x170/0x170 [ 401.692857] 788 total pagecache pages [ 401.695282] ? pvclock_read_flags+0x160/0x160 [ 401.700453] 0 pages in swap cache [ 401.709315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.713346] Swap cache stats: add 0, delete 0, find 0/0 [ 401.713357] Free swap = 0kB [ 401.721958] ? check_preemption_disabled+0x48/0x200 [ 401.725732] Total swap = 0kB [ 401.725743] 1965979 pages RAM [ 401.729558] ? __lock_is_held+0xb5/0x140 [ 401.734030] 0 pages HighMem/MovableOnly [ 401.737497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.743016] 343323 pages reserved [ 401.743027] 0 pages cma reserved [ 401.748418] ? check_preemption_disabled+0x48/0x200 [ 401.751488] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 401.756455] run_timer_softirq+0x52/0xb0 [ 401.756472] ? rcu_read_lock_sched_held+0x108/0x120 [ 401.756489] __do_softirq+0x30b/0xad8 [ 401.756513] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 401.759604] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.762637] ? pvclock_read_flags+0x160/0x160 [ 401.766719] syz-fuzzer cpuset= [ 401.770712] ? lapic_next_event+0x5a/0x90 [ 401.776237] / [ 401.779715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.783065] mems_allowed=0 [ 401.788098] ? check_preemption_disabled+0x48/0x200 [ 401.849819] ? check_preemption_disabled+0x48/0x200 [ 401.854872] ? kvm_clock_read+0x18/0x30 [ 401.858871] ? kvm_sched_clock_read+0x9/0x20 [ 401.863301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.868859] ? check_preemption_disabled+0x48/0x200 [ 401.873910] irq_exit+0x17f/0x1c0 [ 401.877386] smp_apic_timer_interrupt+0x1cb/0x760 [ 401.882255] ? smp_reschedule_interrupt+0x109/0x650 [ 401.887310] ? smp_call_function_single_interrupt+0x650/0x650 [ 401.893232] ? interrupt_entry+0xb5/0xf0 [ 401.897331] ? trace_hardirqs_off_caller+0xbb/0x300 [ 401.902382] ? trace_hardirqs_off_caller+0xbb/0x300 [ 401.907436] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.912315] ? trace_hardirqs_off+0x300/0x300 [ 401.916830] ? trace_hardirqs_off+0x300/0x300 [ 401.921349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.926912] ? check_preemption_disabled+0x48/0x200 [ 401.931959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.937546] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.942434] apic_timer_interrupt+0xf/0x20 [ 401.946689] [ 401.948955] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 401.953913] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 401.972841] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 401.980584] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 401.987899] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 401.995192] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 402.002482] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 402.009773] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 402.017554] skb_clone+0x1bb/0x500 [ 402.021117] ? finish_task_switch+0x2f5/0x900 [ 402.025630] ? skb_split+0x11e0/0x11e0 [ 402.029538] ? preempt_notifier_register+0x200/0x200 [ 402.034656] ? __switch_to_asm+0x34/0x70 [ 402.038732] ? __switch_to_asm+0x34/0x70 [ 402.042809] ? __switch_to_asm+0x40/0x70 [ 402.046881] ? __switch_to_asm+0x34/0x70 [ 402.050953] ? __switch_to_asm+0x40/0x70 [ 402.055033] ? __switch_to_asm+0x34/0x70 [ 402.059107] ? __switch_to_asm+0x40/0x70 [ 402.063176] ? __switch_to_asm+0x34/0x70 [ 402.067249] ? __switch_to_asm+0x34/0x70 [ 402.071320] ? __switch_to_asm+0x40/0x70 [ 402.075392] ? __switch_to_asm+0x34/0x70 [ 402.079479] bpf_clone_redirect+0xb9/0x490 [ 402.083731] ? __schedule+0x874/0x1ed0 [ 402.087637] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 402.092760] ? __sched_text_start+0x8/0x8 [ 402.096928] ? retint_kernel+0x2d/0x2d [ 402.100841] ? find_held_lock+0x36/0x1c0 [ 402.104931] ? lock_acquire+0x1ed/0x520 [ 402.108916] ? bpf_test_run+0x32e/0x5a0 [ 402.112912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.118475] ? check_preemption_disabled+0x48/0x200 [ 402.123524] ? kasan_check_read+0x11/0x20 [ 402.127701] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 402.133022] ? rcu_bh_qs+0xc0/0xc0 [ 402.136594] ? preempt_schedule+0x4d/0x60 [ 402.140768] ? ___preempt_schedule+0x16/0x18 [ 402.145215] ? bpf_test_run+0x1c0/0x5a0 [ 402.149713] ? netlink_diag_dump+0x2a0/0x2a0 [ 402.154152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.159722] ? bpf_test_init.isra.9+0x70/0x100 [ 402.164345] ? bpf_prog_test_run_skb+0x634/0xb40 [ 402.169149] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 402.174030] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 402.179599] ? fput+0x130/0x1a0 [ 402.182905] ? __bpf_prog_get+0x9b/0x290 [ 402.187004] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 402.191870] ? bpf_prog_test_run+0x130/0x1a0 [ 402.196317] ? __x64_sys_bpf+0x3d8/0x510 [ 402.200406] ? bpf_prog_get+0x20/0x20 [ 402.204246] ? ksys_ioctl+0x81/0xd0 [ 402.207905] ? do_syscall_64+0x1b9/0x820 [ 402.211995] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 402.217410] ? syscall_return_slowpath+0x5e0/0x5e0 [ 402.222377] ? trace_hardirqs_off+0x300/0x300 [ 402.226899] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 402.231940] ? recalc_sigpending_tsk+0x180/0x180 [ 402.236721] ? kasan_check_write+0x14/0x20 [ 402.241016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.245901] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.251313] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 402.251404] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 402.258263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.258269] Call Trace: [ 402.258277] [ 402.258303] dump_stack+0x1c4/0x2b4 [ 402.258317] ? dump_stack_print_info.cold.2+0x52/0x52 [ 402.258342] warn_alloc.cold.118+0xb7/0x1bd [ 402.258360] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.265018] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 402.274235] ? lock_downgrade+0x900/0x900 [ 402.276797] syz-executor6 cpuset= [ 402.278955] ? trace_hardirqs_off+0xb8/0x300 [ 402.282548] syz6 [ 402.287747] ? trace_hardirqs_off+0xb8/0x300 [ 402.292044] mems_allowed=0 [ 402.296893] __alloc_pages_slowpath+0x2667/0x2d80 [ 402.333526] ? warn_alloc+0x120/0x120 [ 402.337358] ? warn_alloc+0x120/0x120 [ 402.341182] ? print_usage_bug+0xc0/0xc0 [ 402.345265] ? warn_alloc+0x120/0x120 [ 402.349085] ? print_usage_bug+0xc0/0xc0 [ 402.353167] ? __lock_acquire+0x7ec/0x4ec0 [ 402.357418] ? __lock_acquire+0x7ec/0x4ec0 [ 402.361668] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.367224] ? should_fail+0x22d/0xd01 [ 402.371134] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.376257] ? __lock_acquire+0x7ec/0x4ec0 [ 402.380519] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.385640] ? __lock_acquire+0x7ec/0x4ec0 [ 402.389891] ? should_fail+0x22d/0xd01 [ 402.393810] ? mark_held_locks+0x130/0x130 [ 402.398073] ? mark_held_locks+0x130/0x130 [ 402.402343] ? graph_lock+0x170/0x170 [ 402.406168] ? graph_lock+0x170/0x170 [ 402.410002] ? graph_lock+0x170/0x170 [ 402.413823] ? print_usage_bug+0xc0/0xc0 [ 402.417904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.423476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.429046] ? check_preemption_disabled+0x48/0x200 [ 402.434092] ? check_preemption_disabled+0x48/0x200 [ 402.439155] ? __lock_is_held+0xb5/0x140 [ 402.443251] __alloc_pages_nodemask+0xa80/0xde0 [ 402.447952] ? graph_lock+0x170/0x170 [ 402.451796] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 402.456834] ? graph_lock+0x170/0x170 [ 402.460672] ? find_held_lock+0x36/0x1c0 [ 402.464767] ? ____cache_alloc_node+0x1c7/0x1e0 [ 402.469466] ? lock_downgrade+0x900/0x900 [ 402.473655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.479245] cache_grow_begin+0x91/0x8c0 [ 402.483335] ? do_raw_spin_unlock+0xa7/0x2f0 [ 402.487779] fallback_alloc+0x203/0x2e0 [ 402.491785] ____cache_alloc_node+0x1c7/0x1e0 [ 402.496318] kmem_cache_alloc_node+0xe3/0x730 [ 402.500842] ? ipv6_get_ifaddr+0x42e/0x620 [ 402.505114] __alloc_skb+0x119/0x770 [ 402.508851] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 402.514161] ? skb_scrub_packet+0x490/0x490 [ 402.518511] ? lock_downgrade+0x900/0x900 [ 402.522713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.528278] ? refcount_sub_and_test_checked+0x203/0x310 [ 402.533770] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 402.539241] ? addrconf_rs_timer+0x6f0/0x6f0 [ 402.543686] ndisc_alloc_skb+0x144/0x340 [ 402.547779] ndisc_send_rs+0x331/0x6e0 [ 402.551706] addrconf_rs_timer+0x3c0/0x6f0 [ 402.555979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.560269] call_timer_fn+0x272/0x920 [ 402.564190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.568460] ? process_timeout+0x40/0x40 [ 402.572565] ? find_held_lock+0x36/0x1c0 [ 402.576672] ? mark_held_locks+0xc7/0x130 [ 402.580853] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.585373] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.589883] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.594131] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 402.598729] ? trace_hardirqs_on+0xbd/0x310 [ 402.603064] ? kasan_check_read+0x11/0x20 [ 402.607232] ? __run_timers+0x7da/0xc70 [ 402.611230] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.616710] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.620972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.625237] __run_timers+0x7e5/0xc70 [ 402.629066] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 402.634449] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 402.639747] ? rcu_bh_qs+0xc0/0xc0 [ 402.643313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.648879] ? mark_held_locks+0xc7/0x130 [ 402.653053] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 402.657839] ? retint_kernel+0x2d/0x2d [ 402.661742] ? trace_hardirqs_on_caller+0xc0/0x300 [ 402.666683] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 402.671454] ? trace_hardirqs_off_caller+0x300/0x300 [ 402.676566] ? check_preemption_disabled+0x48/0x200 [ 402.681604] ? graph_lock+0x170/0x170 [ 402.685422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.690972] ? check_preemption_disabled+0x48/0x200 [ 402.696028] ? __lock_is_held+0xb5/0x140 [ 402.700106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.705656] ? check_preemption_disabled+0x48/0x200 [ 402.710695] run_timer_softirq+0x52/0xb0 [ 402.714771] ? rcu_read_lock_sched_held+0x108/0x120 [ 402.719823] __do_softirq+0x30b/0xad8 [ 402.723644] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 402.728760] ? pvclock_read_flags+0x160/0x160 [ 402.733267] ? lapic_next_event+0x5a/0x90 [ 402.737426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.742976] ? check_preemption_disabled+0x48/0x200 [ 402.748025] ? check_preemption_disabled+0x48/0x200 [ 402.753069] ? kvm_clock_read+0x18/0x30 [ 402.757059] ? kvm_sched_clock_read+0x9/0x20 [ 402.761491] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.767059] ? check_preemption_disabled+0x48/0x200 [ 402.772128] irq_exit+0x17f/0x1c0 [ 402.775627] smp_apic_timer_interrupt+0x1cb/0x760 [ 402.780514] ? smp_call_function_single_interrupt+0x650/0x650 [ 402.786450] ? interrupt_entry+0xb5/0xf0 [ 402.790545] ? trace_hardirqs_off_caller+0xbb/0x300 [ 402.795600] ? trace_hardirqs_off_caller+0xbb/0x300 [ 402.800643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.805517] ? trace_hardirqs_off+0x300/0x300 [ 402.810044] ? trace_hardirqs_off+0x300/0x300 [ 402.814566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.820143] ? check_preemption_disabled+0x48/0x200 [ 402.825191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.830769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.835662] apic_timer_interrupt+0xf/0x20 [ 402.839923] [ 402.842189] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 402.847490] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 402.866412] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 402.874145] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 402.881436] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 402.888727] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 402.896030] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 402.903330] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 402.910654] ? arch_local_irq_restore+0x45/0x52 [ 402.915379] dump_stack+0x26a/0x2b4 [ 402.919064] ? dump_stack_print_info.cold.2+0x52/0x52 [ 402.924293] ? mark_held_locks+0x130/0x130 [ 402.928542] ? mark_held_locks+0x130/0x130 [ 402.932800] dump_header+0x27b/0xf72 [ 402.936552] ? pagefault_out_of_memory+0x197/0x197 [ 402.941523] ? mark_held_locks+0x130/0x130 [ 402.945784] ? __lock_acquire+0x7ec/0x4ec0 [ 402.950034] ? mem_cgroup_charge_statistics+0x780/0x780 [ 402.955414] ? print_usage_bug+0xc0/0xc0 [ 402.959479] ? print_usage_bug+0xc0/0xc0 [ 402.963554] ? graph_lock+0x170/0x170 [ 402.967361] ? graph_lock+0x170/0x170 [ 402.971165] ? print_usage_bug+0xc0/0xc0 [ 402.975226] ? print_usage_bug+0xc0/0xc0 [ 402.979299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.984848] ? find_held_lock+0x36/0x1c0 [ 402.988923] ? mark_held_locks+0xc7/0x130 [ 402.993078] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 402.998189] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 403.003302] ? lockdep_hardirqs_on+0x421/0x5c0 [ 403.007890] ? trace_hardirqs_on+0xbd/0x310 [ 403.012211] ? kasan_check_read+0x11/0x20 [ 403.016364] ? ___ratelimit+0x36f/0x655 [ 403.020341] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.025799] ? trace_hardirqs_on+0x310/0x310 [ 403.030215] ? lock_downgrade+0x900/0x900 [ 403.034376] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 403.039486] ? ___ratelimit+0xaa/0x655 [ 403.043382] ? idr_get_free+0xec0/0xec0 [ 403.047359] ? kasan_check_write+0x14/0x20 [ 403.051601] ? do_raw_spin_lock+0xc1/0x200 [ 403.055845] oom_kill_process.cold.27+0x10/0x903 [ 403.060610] ? graph_lock+0x170/0x170 [ 403.064414] ? _raw_spin_unlock+0x2c/0x50 [ 403.068562] ? oom_badness+0xe6/0xaa0 [ 403.072377] ? oom_evaluate_task+0x540/0x540 [ 403.076791] ? find_held_lock+0x36/0x1c0 [ 403.080865] ? out_of_memory+0x974/0x14c0 [ 403.085026] ? lock_downgrade+0x900/0x900 [ 403.089178] ? check_preemption_disabled+0x48/0x200 [ 403.094208] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 403.100017] ? kasan_check_read+0x11/0x20 [ 403.104179] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 403.109463] ? rcu_bh_qs+0xc0/0xc0 [ 403.113020] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 403.118040] ? oom_evaluate_task+0x302/0x540 [ 403.122460] out_of_memory+0xa86/0x14c0 [ 403.126461] ? oom_killer_disable+0x3a0/0x3a0 [ 403.130964] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 403.135911] ? __mutex_add_waiter+0x2a0/0x2a0 [ 403.140427] __alloc_pages_slowpath+0x2318/0x2d80 [ 403.145309] ? warn_alloc+0x120/0x120 [ 403.149612] ? find_get_entry+0x2f2/0xc40 [ 403.153779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.159324] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 403.164260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.169802] ? should_fail+0x22d/0xd01 [ 403.173696] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.178808] ? __lock_is_held+0xb5/0x140 [ 403.182897] ? __lock_is_held+0xb5/0x140 [ 403.186970] ? find_held_lock+0x36/0x1c0 [ 403.191047] ? ___might_sleep+0x1ed/0x300 [ 403.195193] ? lock_release+0x970/0x970 [ 403.199177] ? arch_local_save_flags+0x40/0x40 [ 403.203773] ? __might_sleep+0x95/0x190 [ 403.207762] __alloc_pages_nodemask+0xa80/0xde0 [ 403.212446] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 403.217472] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 403.223273] ? kasan_check_read+0x11/0x20 [ 403.227428] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 403.232711] ? graph_lock+0x170/0x170 [ 403.236520] ? print_usage_bug+0xc0/0xc0 [ 403.240591] ? graph_lock+0x170/0x170 [ 403.244396] ? graph_lock+0x170/0x170 [ 403.248203] ? __do_page_cache_readahead+0x7ce/0x980 [ 403.253317] ? find_held_lock+0x36/0x1c0 [ 403.257393] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 403.262946] alloc_pages_current+0x10c/0x210 [ 403.267363] ? lock_downgrade+0x900/0x900 [ 403.271521] __page_cache_alloc+0x38f/0x5b0 [ 403.275847] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 403.281646] ? kasan_check_read+0x11/0x20 [ 403.285803] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 403.291090] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 403.295767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.301310] ? check_preemption_disabled+0x48/0x200 [ 403.306338] filemap_fault+0x1594/0x25f0 [ 403.310422] ? __lock_page_or_retry+0xa00/0xa00 [ 403.315096] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 403.320897] ? kasan_check_read+0x11/0x20 [ 403.325051] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 403.330333] ? rcu_bh_qs+0xc0/0xc0 [ 403.333893] ? filemap_map_pages+0xdea/0x1980 [ 403.338401] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 403.343517] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 403.348800] ? debug_object_free+0x325/0x690 [ 403.353230] ? find_get_pages_range_tag+0x1320/0x1320 [ 403.358446] ? graph_lock+0x170/0x170 [ 403.362267] ? kasan_check_read+0x11/0x20 [ 403.366422] ? debug_object_destroy+0x2b0/0x2b0 [ 403.371108] ? lock_acquire+0x1ed/0x520 [ 403.375088] ? ext4_filemap_fault+0x7a/0xad [ 403.379423] ? lock_release+0x970/0x970 [ 403.383403] ? arch_local_save_flags+0x40/0x40 [ 403.388005] ? futex_wait_setup+0x3e0/0x3e0 [ 403.392349] ? down_read+0xb0/0x1d0 [ 403.395978] ? ext4_filemap_fault+0x7a/0xad [ 403.400312] ? __down_interruptible+0x700/0x700 [ 403.405013] ext4_filemap_fault+0x82/0xad [ 403.409173] __do_fault+0x100/0x6b0 [ 403.412806] ? print_bad_pte+0x6c0/0x6c0 [ 403.416875] ? do_futex+0x249/0x26d0 [ 403.420599] ? kasan_check_read+0x11/0x20 [ 403.424748] ? pmd_val+0x88/0x100 [ 403.428206] ? add_mm_counter_fast+0xd0/0xd0 [ 403.432613] ? pmd_val+0x88/0x100 [ 403.436068] ? add_mm_counter_fast+0xd0/0xd0 [ 403.440486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.446032] __handle_mm_fault+0x3709/0x53e0 [ 403.450442] ? perf_trace_lock+0x14d/0x7a0 [ 403.454717] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 403.459566] ? graph_lock+0x170/0x170 [ 403.463374] ? print_usage_bug+0xc0/0xc0 [ 403.467439] ? graph_lock+0x170/0x170 [ 403.471240] ? graph_lock+0x170/0x170 [ 403.475069] ? handle_mm_fault+0x42a/0xc70 [ 403.479311] ? lock_downgrade+0x900/0x900 [ 403.483460] ? check_preemption_disabled+0x48/0x200 [ 403.488487] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 403.494299] ? kasan_check_read+0x11/0x20 [ 403.498472] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 403.503768] ? rcu_bh_qs+0xc0/0xc0 [ 403.507322] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.512803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.518353] ? check_preemption_disabled+0x48/0x200 [ 403.523384] handle_mm_fault+0x54f/0xc70 [ 403.527456] ? __handle_mm_fault+0x53e0/0x53e0 [ 403.532043] ? find_vma+0x34/0x190 [ 403.535599] __do_page_fault+0x67d/0xed0 [ 403.539673] ? mm_fault_error+0x380/0x380 [ 403.543823] ? trace_hardirqs_off+0xb8/0x300 [ 403.548237] ? trace_hardirqs_on+0x310/0x310 [ 403.552653] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 403.558025] ? trace_hardirqs_on+0x310/0x310 [ 403.562443] do_page_fault+0xf2/0x7e0 [ 403.566252] ? vmalloc_sync_all+0x30/0x30 [ 403.570403] ? error_entry+0x70/0xd0 [ 403.574125] ? trace_hardirqs_off_caller+0xbb/0x300 [ 403.579144] ? trace_hardirqs_on_caller+0xc0/0x300 [ 403.584080] ? syscall_return_slowpath+0x5e0/0x5e0 [ 403.589018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.593868] ? trace_hardirqs_off+0x300/0x300 [ 403.598365] ? trace_hardirqs_off_caller+0x300/0x300 [ 403.603478] ? prepare_exit_to_usermode+0x291/0x3b0 [ 403.608504] ? page_fault+0x8/0x30 [ 403.612052] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.616902] ? page_fault+0x8/0x30 [ 403.620447] page_fault+0x1e/0x30 [ 403.623904] RIP: 0033:0x45ddf3 [ 403.627105] Code: Bad RIP value. [ 403.630466] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 403.635832] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 403.643097] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 403.650366] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 403.657636] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 403.664907] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 403.672210] warn_alloc_show_mem: 1 callbacks suppressed [ 403.672222] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 403.672224] Mem-Info: [ 403.672257] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 403.672257] active_file:16 inactive_file:17 isolated_file:0 [ 403.672257] unevictable:0 dirty:0 writeback:0 unstable:0 [ 403.672257] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 403.672257] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 403.672257] free:13771 free_pcp:233 free_cma:0 [ 403.677608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.677617] Call Trace: [ 403.684897] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 403.687310] [ 403.720193] Node 0 [ 403.729566] dump_stack+0x1c4/0x2b4 [ 403.732144] 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 [ 403.759810] ? dump_stack_print_info.cold.2+0x52/0x52 [ 403.761933] lowmem_reserve[]: [ 403.764185] warn_alloc.cold.118+0xb7/0x1bd [ 403.767773] 0 [ 403.793299] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.798474] 2815 [ 403.801602] ? lock_downgrade+0x900/0x900 [ 403.805900] 6318 [ 403.807713] ? trace_hardirqs_off+0xb8/0x300 [ 403.812519] 6318 [ 403.814594] ? trace_hardirqs_off+0xb8/0x300 [ 403.820783] __alloc_pages_slowpath+0x2667/0x2d80 [ 403.825153] Node 0 [ 403.827248] ? warn_alloc+0x120/0x120 [ 403.831632] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 403.836572] ? trace_hardirqs_on+0x310/0x310 [ 403.838790] lowmem_reserve[]: [ 403.842601] ? warn_alloc+0x120/0x120 [ 403.869294] 0 0 [ 403.873732] ? print_usage_bug+0xc0/0xc0 [ 403.876799] 3503 [ 403.880603] ? warn_alloc+0x120/0x120 [ 403.882540] 3503 [ 403.886613] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 403.888646] Node 0 [ 403.892451] ? print_usage_bug+0xc0/0xc0 [ 403.894516] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 403.899522] ? __lock_acquire+0x7ec/0x4ec0 [ 403.901735] lowmem_reserve[]: [ 403.905815] ? __lock_acquire+0x7ec/0x4ec0 [ 403.934157] 0 0 [ 403.938421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.941491] 0 [ 403.945730] ? should_fail+0x22d/0xd01 [ 403.947673] 0 [ 403.953211] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.958869] ? __lock_acquire+0x7ec/0x4ec0 [ 403.960641] Node 0 [ 403.965741] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.969944] DMA: [ 403.972175] ? __lock_acquire+0x7ec/0x4ec0 [ 403.977344] 1*4kB [ 403.979404] ? should_fail+0x22d/0xd01 [ 403.983612] (U) [ 403.985764] ? print_usage_bug+0xc0/0xc0 [ 403.989625] 0*8kB [ 403.991611] ? mark_held_locks+0x130/0x130 [ 403.995633] 0*16kB [ 403.997781] ? mark_held_locks+0x130/0x130 [ 404.001994] 1*32kB [ 404.004236] ? graph_lock+0x170/0x170 [ 404.008440] (U) [ 404.010674] ? print_usage_bug+0xc0/0xc0 [ 404.014441] 2*64kB (U) [ 404.016424] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 404.020867] 1*128kB (U) [ 404.023464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.028199] 1*256kB (U) [ 404.030891] ? check_preemption_disabled+0x48/0x200 [ 404.036406] 0*512kB [ 404.039085] ? check_preemption_disabled+0x48/0x200 [ 404.044062] 1*1024kB [ 404.046400] ? __lock_is_held+0xb5/0x140 [ 404.051367] (U) 1*2048kB [ 404.053788] __alloc_pages_nodemask+0xa80/0xde0 [ 404.057817] (M) [ 404.060568] ? graph_lock+0x170/0x170 [ 404.065213] 3*4096kB [ 404.067188] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 404.070954] (M) [ 404.073359] ? graph_lock+0x170/0x170 [ 404.078345] = 15908kB [ 404.078353] Node 0 [ 404.080354] ? find_held_lock+0x36/0x1c0 [ 404.084120] DMA32: [ 404.086535] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.088739] 3*4kB [ 404.092809] ? lock_downgrade+0x900/0x900 [ 404.095022] (M) [ 404.099690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.101810] 2*8kB [ 404.105955] cache_grow_begin+0x91/0x8c0 [ 404.107899] (M) [ 404.113432] ? do_raw_spin_unlock+0xa7/0x2f0 [ 404.115553] 2*16kB [ 404.119618] fallback_alloc+0x203/0x2e0 [ 404.121559] (UM) [ 404.125967] ____cache_alloc_node+0x1c7/0x1e0 [ 404.128174] 1*32kB [ 404.132152] kmem_cache_alloc_node+0xe3/0x730 [ 404.134180] (M) [ 404.138691] ? ipv6_get_ifaddr+0x42e/0x620 [ 404.140898] 3*64kB [ 404.145396] __alloc_skb+0x119/0x770 [ 404.147340] (UM) [ 404.151879] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 404.154092] 3*128kB [ 404.157808] ? skb_scrub_packet+0x490/0x490 [ 404.159836] (M) [ 404.165114] ? lock_downgrade+0x900/0x900 [ 404.167413] 2*256kB [ 404.171731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.173677] (M) [ 404.177824] ? refcount_sub_and_test_checked+0x203/0x310 [ 404.180123] 3*512kB [ 404.185655] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 404.187603] (M) [ 404.193051] ? addrconf_rs_timer+0x6f0/0x6f0 [ 404.195343] 4*1024kB [ 404.200800] ndisc_alloc_skb+0x144/0x340 [ 404.202740] (UM) [ 404.207148] ndisc_send_rs+0x331/0x6e0 [ 404.209525] 3*2048kB (M) [ 404.213592] addrconf_rs_timer+0x3c0/0x6f0 [ 404.215631] 3*4096kB [ 404.219693] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.222419] (M) [ 404.226660] call_timer_fn+0x272/0x920 [ 404.229032] = 25244kB [ 404.233264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.235212] Node 0 [ 404.239104] ? process_timeout+0x40/0x40 [ 404.241483] Normal: [ 404.245712] ? find_held_lock+0x36/0x1c0 [ 404.247921] 1139*4kB [ 404.251979] ? __run_timers+0x7da/0xc70 [ 404.254277] (MEH) [ 404.258338] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.260720] 438*8kB [ 404.264691] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.266813] (UME) [ 404.271305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.273603] 175*16kB [ 404.278093] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 404.280211] (UME) [ 404.284442] ? trace_hardirqs_on+0xbd/0x310 [ 404.286827] 64*32kB [ 404.291401] ? kasan_check_read+0x11/0x20 [ 404.293545] (UMEH) [ 404.297863] ? __run_timers+0x7da/0xc70 [ 404.300158] 14*64kB [ 404.304297] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.306505] (UM) [ 404.310479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.312776] 1*128kB [ 404.318242] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.320281] (H) [ 404.324529] __run_timers+0x7e5/0xc70 [ 404.326823] 0*256kB [ 404.331071] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 404.333013] 0*512kB [ 404.336815] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 404.339107] 0*1024kB [ 404.344475] ? graph_lock+0x170/0x170 [ 404.346769] 0*2048kB [ 404.351786] ? enqueue_hrtimer+0x1a5/0x560 [ 404.354171] 0*4096kB [ 404.357974] ? lock_release+0x970/0x970 [ 404.360356] = 13932kB [ 404.364598] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 404.367002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 404.370976] ? find_held_lock+0x36/0x1c0 [ 404.373363] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 404.378553] ? graph_lock+0x170/0x170 [ 404.387375] 788 total pagecache pages [ 404.391449] ? pvclock_read_flags+0x160/0x160 [ 404.400016] 0 pages in swap cache [ 404.403819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.407595] Swap cache stats: add 0, delete 0, find 0/0 [ 404.412097] ? check_preemption_disabled+0x48/0x200 [ 404.415524] Free swap = 0kB [ 404.421158] ? __lock_is_held+0xb5/0x140 [ 404.426484] Total swap = 0kB [ 404.431508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.434505] 1965979 pages RAM [ 404.438599] ? check_preemption_disabled+0x48/0x200 [ 404.441587] 0 pages HighMem/MovableOnly [ 404.441597] 343323 pages reserved [ 404.447151] run_timer_softirq+0x52/0xb0 [ 404.450225] 0 pages cma reserved [ 404.450339] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 404.455255] ? rcu_read_lock_sched_held+0x108/0x120 [ 404.455274] __do_softirq+0x30b/0xad8 [ 404.455298] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 404.455318] ? pvclock_read_flags+0x160/0x160 [ 404.459360] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.462742] ? lapic_next_event+0x5a/0x90 [ 404.466780] syz-fuzzer cpuset= [ 404.470154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.476633] / [ 404.481649] ? check_preemption_disabled+0x48/0x200 [ 404.485421] mems_allowed=0 [ 404.490514] ? check_preemption_disabled+0x48/0x200 [ 404.490538] ? kvm_clock_read+0x18/0x30 [ 404.536709] ? kvm_sched_clock_read+0x9/0x20 [ 404.541134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.546691] ? check_preemption_disabled+0x48/0x200 [ 404.551738] irq_exit+0x17f/0x1c0 [ 404.555211] smp_apic_timer_interrupt+0x1cb/0x760 [ 404.560088] ? smp_reschedule_interrupt+0x109/0x650 [ 404.565123] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.571040] ? interrupt_entry+0xb5/0xf0 [ 404.575123] ? trace_hardirqs_off_caller+0xbb/0x300 [ 404.580151] ? trace_hardirqs_off_caller+0xbb/0x300 [ 404.585199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.590064] ? trace_hardirqs_off+0x300/0x300 [ 404.594568] ? trace_hardirqs_off+0x300/0x300 [ 404.599069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.604616] ? check_preemption_disabled+0x48/0x200 [ 404.609635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.615182] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.620042] apic_timer_interrupt+0xf/0x20 [ 404.624278] [ 404.626519] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 404.631454] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 404.650370] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 404.658095] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 404.665368] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 404.672643] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 404.679914] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 404.687194] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 404.694522] skb_clone+0x1bb/0x500 [ 404.698071] ? finish_task_switch+0x2f5/0x900 [ 404.702575] ? skb_split+0x11e0/0x11e0 [ 404.706469] ? preempt_notifier_register+0x200/0x200 [ 404.711579] ? __switch_to_asm+0x34/0x70 [ 404.715642] ? __switch_to_asm+0x34/0x70 [ 404.719703] ? __switch_to_asm+0x40/0x70 [ 404.723766] ? __switch_to_asm+0x34/0x70 [ 404.727824] ? __switch_to_asm+0x40/0x70 [ 404.731885] ? __switch_to_asm+0x34/0x70 [ 404.735945] ? __switch_to_asm+0x40/0x70 [ 404.740013] ? __switch_to_asm+0x34/0x70 [ 404.744088] ? __switch_to_asm+0x34/0x70 [ 404.748150] ? __switch_to_asm+0x40/0x70 [ 404.752214] ? __switch_to_asm+0x34/0x70 [ 404.756290] bpf_clone_redirect+0xb9/0x490 [ 404.760538] ? __schedule+0x874/0x1ed0 [ 404.764453] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 404.769508] ? __sched_text_start+0x8/0x8 [ 404.773685] ? retint_kernel+0x2d/0x2d [ 404.777603] ? find_held_lock+0x36/0x1c0 [ 404.781696] ? lock_acquire+0x1ed/0x520 [ 404.785771] ? bpf_test_run+0x32e/0x5a0 [ 404.789763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.795318] ? check_preemption_disabled+0x48/0x200 [ 404.800359] ? kasan_check_read+0x11/0x20 [ 404.804559] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 404.809877] ? rcu_bh_qs+0xc0/0xc0 [ 404.813434] ? preempt_schedule+0x4d/0x60 [ 404.817598] ? ___preempt_schedule+0x16/0x18 [ 404.822037] ? bpf_test_run+0x1c0/0x5a0 [ 404.826040] ? netlink_diag_dump+0x2a0/0x2a0 [ 404.830487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.836051] ? bpf_test_init.isra.9+0x70/0x100 [ 404.840667] ? bpf_prog_test_run_skb+0x634/0xb40 [ 404.845454] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 404.850322] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 404.855875] ? fput+0x130/0x1a0 [ 404.859162] ? __bpf_prog_get+0x9b/0x290 [ 404.863244] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 404.868118] ? bpf_prog_test_run+0x130/0x1a0 [ 404.872557] ? __x64_sys_bpf+0x3d8/0x510 [ 404.876629] ? bpf_prog_get+0x20/0x20 [ 404.880445] ? ksys_ioctl+0x81/0xd0 [ 404.884092] ? do_syscall_64+0x1b9/0x820 [ 404.888158] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 404.893532] ? syscall_return_slowpath+0x5e0/0x5e0 [ 404.898469] ? trace_hardirqs_off+0x300/0x300 [ 404.902971] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 404.908007] ? recalc_sigpending_tsk+0x180/0x180 [ 404.912771] ? kasan_check_write+0x14/0x20 [ 404.917023] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.921886] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.927276] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 404.927369] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 404.934211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.934217] Call Trace: [ 404.934224] [ 404.934246] dump_stack+0x1c4/0x2b4 [ 404.934270] ? dump_stack_print_info.cold.2+0x52/0x52 [ 404.940820] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.950128] warn_alloc.cold.118+0xb7/0x1bd [ 404.952680] syz-executor6 cpuset= [ 404.954831] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 404.958424] syz6 [ 404.963617] ? lock_downgrade+0x900/0x900 [ 404.974074] mems_allowed=0 [ 404.995690] ? trace_hardirqs_off+0xb8/0x300 [ 405.000113] ? trace_hardirqs_off+0xb8/0x300 [ 405.004538] __alloc_pages_slowpath+0x2667/0x2d80 [ 405.009417] ? warn_alloc+0x120/0x120 [ 405.013230] ? warn_alloc+0x120/0x120 [ 405.017037] ? print_usage_bug+0xc0/0xc0 [ 405.021102] ? warn_alloc+0x120/0x120 [ 405.024911] ? print_usage_bug+0xc0/0xc0 [ 405.028979] ? __lock_acquire+0x7ec/0x4ec0 [ 405.033230] ? __lock_acquire+0x7ec/0x4ec0 [ 405.037477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.043030] ? should_fail+0x22d/0xd01 [ 405.046931] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.052041] ? __lock_acquire+0x7ec/0x4ec0 [ 405.056286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.061391] ? __lock_acquire+0x7ec/0x4ec0 [ 405.065625] ? should_fail+0x22d/0xd01 [ 405.069529] ? mark_held_locks+0x130/0x130 [ 405.073776] ? mark_held_locks+0x130/0x130 [ 405.078023] ? graph_lock+0x170/0x170 [ 405.081828] ? graph_lock+0x170/0x170 [ 405.085632] ? graph_lock+0x170/0x170 [ 405.089435] ? print_usage_bug+0xc0/0xc0 [ 405.093502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.099045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.104591] ? check_preemption_disabled+0x48/0x200 [ 405.109625] ? check_preemption_disabled+0x48/0x200 [ 405.114655] ? __lock_is_held+0xb5/0x140 [ 405.118730] __alloc_pages_nodemask+0xa80/0xde0 [ 405.123406] ? graph_lock+0x170/0x170 [ 405.127215] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 405.132234] ? graph_lock+0x170/0x170 [ 405.136072] ? find_held_lock+0x36/0x1c0 [ 405.140153] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.144830] ? lock_downgrade+0x900/0x900 [ 405.149004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.154559] cache_grow_begin+0x91/0x8c0 [ 405.158631] ? do_raw_spin_unlock+0xa7/0x2f0 [ 405.163057] fallback_alloc+0x203/0x2e0 [ 405.167043] ____cache_alloc_node+0x1c7/0x1e0 [ 405.171721] kmem_cache_alloc_node+0xe3/0x730 [ 405.176224] ? ipv6_get_ifaddr+0x42e/0x620 [ 405.180479] __alloc_skb+0x119/0x770 [ 405.184200] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 405.189491] ? skb_scrub_packet+0x490/0x490 [ 405.193817] ? lock_downgrade+0x900/0x900 [ 405.197992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.203540] ? refcount_sub_and_test_checked+0x203/0x310 [ 405.209011] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 405.214471] ? addrconf_rs_timer+0x6f0/0x6f0 [ 405.218902] ndisc_alloc_skb+0x144/0x340 [ 405.222979] ndisc_send_rs+0x331/0x6e0 [ 405.226893] addrconf_rs_timer+0x3c0/0x6f0 [ 405.231166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.235422] call_timer_fn+0x272/0x920 [ 405.239313] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.243558] ? process_timeout+0x40/0x40 [ 405.247623] ? find_held_lock+0x36/0x1c0 [ 405.251696] ? mark_held_locks+0xc7/0x130 [ 405.255853] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.260357] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.264877] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.269123] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 405.273715] ? trace_hardirqs_on+0xbd/0x310 [ 405.278042] ? kasan_check_read+0x11/0x20 [ 405.282198] ? __run_timers+0x7da/0xc70 [ 405.286182] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.291648] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.295901] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.300143] __run_timers+0x7e5/0xc70 [ 405.303966] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 405.309368] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 405.314675] ? rcu_bh_qs+0xc0/0xc0 [ 405.318228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.323781] ? mark_held_locks+0xc7/0x130 [ 405.327938] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 405.332705] ? retint_kernel+0x2d/0x2d [ 405.336605] ? trace_hardirqs_on_caller+0xc0/0x300 [ 405.341546] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 405.346322] ? trace_hardirqs_off_caller+0x300/0x300 [ 405.351436] ? check_preemption_disabled+0x48/0x200 [ 405.356467] ? graph_lock+0x170/0x170 [ 405.360281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.365823] ? check_preemption_disabled+0x48/0x200 [ 405.370860] ? __lock_is_held+0xb5/0x140 [ 405.374936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.380485] ? check_preemption_disabled+0x48/0x200 [ 405.385522] run_timer_softirq+0x52/0xb0 [ 405.389598] ? rcu_read_lock_sched_held+0x108/0x120 [ 405.394629] __do_softirq+0x30b/0xad8 [ 405.398455] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 405.403580] ? pvclock_read_flags+0x160/0x160 [ 405.408088] ? lapic_next_event+0x5a/0x90 [ 405.412249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.417798] ? check_preemption_disabled+0x48/0x200 [ 405.422824] ? check_preemption_disabled+0x48/0x200 [ 405.427878] ? kvm_clock_read+0x18/0x30 [ 405.431863] ? kvm_sched_clock_read+0x9/0x20 [ 405.436286] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.441838] ? check_preemption_disabled+0x48/0x200 [ 405.446881] irq_exit+0x17f/0x1c0 [ 405.450346] smp_apic_timer_interrupt+0x1cb/0x760 [ 405.455207] ? smp_call_function_single_interrupt+0x650/0x650 [ 405.461104] ? interrupt_entry+0xb5/0xf0 [ 405.465173] ? trace_hardirqs_off_caller+0xbb/0x300 [ 405.470194] ? trace_hardirqs_off_caller+0xbb/0x300 [ 405.475218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.480070] ? trace_hardirqs_off+0x300/0x300 [ 405.484567] ? trace_hardirqs_off+0x300/0x300 [ 405.489079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.494620] ? check_preemption_disabled+0x48/0x200 [ 405.499641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.505195] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.510056] apic_timer_interrupt+0xf/0x20 [ 405.514290] [ 405.516533] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 405.521814] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 405.540730] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 405.548471] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 405.555756] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 405.563080] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 405.570366] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 405.577644] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 405.584958] ? arch_local_irq_restore+0x45/0x52 [ 405.589661] dump_stack+0x26a/0x2b4 [ 405.593312] ? dump_stack_print_info.cold.2+0x52/0x52 [ 405.598525] ? mark_held_locks+0x130/0x130 [ 405.602772] ? mark_held_locks+0x130/0x130 [ 405.607043] dump_header+0x27b/0xf72 [ 405.610789] ? pagefault_out_of_memory+0x197/0x197 [ 405.615739] ? mark_held_locks+0x130/0x130 [ 405.619993] ? __lock_acquire+0x7ec/0x4ec0 [ 405.624245] ? mem_cgroup_charge_statistics+0x780/0x780 [ 405.629628] ? print_usage_bug+0xc0/0xc0 [ 405.633700] ? print_usage_bug+0xc0/0xc0 [ 405.637782] ? graph_lock+0x170/0x170 [ 405.641595] ? graph_lock+0x170/0x170 [ 405.645407] ? print_usage_bug+0xc0/0xc0 [ 405.649475] ? print_usage_bug+0xc0/0xc0 [ 405.653558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.659118] ? find_held_lock+0x36/0x1c0 [ 405.663197] ? mark_held_locks+0xc7/0x130 [ 405.667355] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 405.672468] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 405.677582] ? lockdep_hardirqs_on+0x421/0x5c0 [ 405.682173] ? trace_hardirqs_on+0xbd/0x310 [ 405.686497] ? kasan_check_read+0x11/0x20 [ 405.690650] ? ___ratelimit+0x36f/0x655 [ 405.694630] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.700090] ? trace_hardirqs_on+0x310/0x310 [ 405.704507] ? lock_downgrade+0x900/0x900 [ 405.708669] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 405.713777] ? ___ratelimit+0xaa/0x655 [ 405.717669] ? idr_get_free+0xec0/0xec0 [ 405.721644] ? kasan_check_write+0x14/0x20 [ 405.725886] ? do_raw_spin_lock+0xc1/0x200 [ 405.730136] oom_kill_process.cold.27+0x10/0x903 [ 405.734918] ? graph_lock+0x170/0x170 [ 405.738719] ? _raw_spin_unlock+0x2c/0x50 [ 405.742872] ? oom_badness+0xe6/0xaa0 [ 405.746685] ? oom_evaluate_task+0x540/0x540 [ 405.751102] ? find_held_lock+0x36/0x1c0 [ 405.755178] ? out_of_memory+0x974/0x14c0 [ 405.759333] ? lock_downgrade+0x900/0x900 [ 405.763485] ? check_preemption_disabled+0x48/0x200 [ 405.768518] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 405.774320] ? kasan_check_read+0x11/0x20 [ 405.778481] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 405.783770] ? rcu_bh_qs+0xc0/0xc0 [ 405.787334] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.792356] ? oom_evaluate_task+0x302/0x540 [ 405.796778] out_of_memory+0xa86/0x14c0 [ 405.800766] ? oom_killer_disable+0x3a0/0x3a0 [ 405.805268] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 405.810211] ? __mutex_add_waiter+0x2a0/0x2a0 [ 405.814730] __alloc_pages_slowpath+0x2318/0x2d80 [ 405.819622] ? warn_alloc+0x120/0x120 [ 405.823449] ? find_get_entry+0x2f2/0xc40 [ 405.827619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.833172] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 405.838120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.843667] ? should_fail+0x22d/0xd01 [ 405.847569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.852685] ? __lock_is_held+0xb5/0x140 [ 405.856781] ? __lock_is_held+0xb5/0x140 [ 405.860864] ? find_held_lock+0x36/0x1c0 [ 405.864937] ? ___might_sleep+0x1ed/0x300 [ 405.869094] ? lock_release+0x970/0x970 [ 405.873088] ? arch_local_save_flags+0x40/0x40 [ 405.877693] ? __might_sleep+0x95/0x190 [ 405.881681] __alloc_pages_nodemask+0xa80/0xde0 [ 405.886371] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 405.891402] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 405.897208] ? kasan_check_read+0x11/0x20 [ 405.901374] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 405.906667] ? graph_lock+0x170/0x170 [ 405.910480] ? print_usage_bug+0xc0/0xc0 [ 405.914554] ? graph_lock+0x170/0x170 [ 405.918366] ? graph_lock+0x170/0x170 [ 405.922171] ? __do_page_cache_readahead+0x7ce/0x980 [ 405.927284] ? find_held_lock+0x36/0x1c0 [ 405.931355] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 405.936900] alloc_pages_current+0x10c/0x210 [ 405.941308] ? lock_downgrade+0x900/0x900 [ 405.945470] __page_cache_alloc+0x38f/0x5b0 [ 405.949798] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 405.955602] ? kasan_check_read+0x11/0x20 [ 405.959766] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 405.965073] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 405.969768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.975327] ? check_preemption_disabled+0x48/0x200 [ 405.980380] filemap_fault+0x1594/0x25f0 [ 405.984478] ? __lock_page_or_retry+0xa00/0xa00 [ 405.989167] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 405.994982] ? kasan_check_read+0x11/0x20 [ 405.999166] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 406.004472] ? rcu_bh_qs+0xc0/0xc0 [ 406.008059] ? filemap_map_pages+0xdea/0x1980 [ 406.012593] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 406.018166] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 406.023470] ? debug_object_free+0x325/0x690 [ 406.027911] ? find_get_pages_range_tag+0x1320/0x1320 [ 406.033143] ? graph_lock+0x170/0x170 [ 406.036981] ? kasan_check_read+0x11/0x20 [ 406.041164] ? debug_object_destroy+0x2b0/0x2b0 [ 406.045871] ? lock_acquire+0x1ed/0x520 [ 406.049872] ? ext4_filemap_fault+0x7a/0xad [ 406.054232] ? lock_release+0x970/0x970 [ 406.058237] ? arch_local_save_flags+0x40/0x40 [ 406.062850] ? futex_wait_setup+0x3e0/0x3e0 [ 406.067213] ? down_read+0xb0/0x1d0 [ 406.070860] ? ext4_filemap_fault+0x7a/0xad [ 406.075208] ? __down_interruptible+0x700/0x700 [ 406.079924] ext4_filemap_fault+0x82/0xad [ 406.084097] __do_fault+0x100/0x6b0 [ 406.087758] ? print_bad_pte+0x6c0/0x6c0 [ 406.091860] ? do_futex+0x249/0x26d0 [ 406.095603] ? kasan_check_read+0x11/0x20 [ 406.099778] ? pmd_val+0x88/0x100 [ 406.103262] ? add_mm_counter_fast+0xd0/0xd0 [ 406.107700] ? pmd_val+0x88/0x100 [ 406.111179] ? add_mm_counter_fast+0xd0/0xd0 [ 406.115620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.121218] __handle_mm_fault+0x3709/0x53e0 [ 406.125666] ? perf_trace_lock+0x14d/0x7a0 [ 406.130033] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 406.134900] ? graph_lock+0x170/0x170 [ 406.138728] ? print_usage_bug+0xc0/0xc0 [ 406.142814] ? graph_lock+0x170/0x170 [ 406.146636] ? graph_lock+0x170/0x170 [ 406.151364] ? handle_mm_fault+0x42a/0xc70 [ 406.155637] ? lock_downgrade+0x900/0x900 [ 406.159804] ? check_preemption_disabled+0x48/0x200 [ 406.164862] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 406.171223] ? kasan_check_read+0x11/0x20 [ 406.175406] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 406.180714] ? rcu_bh_qs+0xc0/0xc0 [ 406.184274] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.189749] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.195305] ? check_preemption_disabled+0x48/0x200 [ 406.200354] handle_mm_fault+0x54f/0xc70 [ 406.204454] ? __handle_mm_fault+0x53e0/0x53e0 [ 406.209068] ? find_vma+0x34/0x190 [ 406.212636] __do_page_fault+0x67d/0xed0 [ 406.216738] ? mm_fault_error+0x380/0x380 [ 406.220910] ? trace_hardirqs_off+0xb8/0x300 [ 406.225343] ? trace_hardirqs_on+0x310/0x310 [ 406.229773] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.235165] ? trace_hardirqs_on+0x310/0x310 [ 406.239606] do_page_fault+0xf2/0x7e0 [ 406.243416] ? vmalloc_sync_all+0x30/0x30 [ 406.247570] ? error_entry+0x70/0xd0 [ 406.251295] ? trace_hardirqs_off_caller+0xbb/0x300 [ 406.256311] ? trace_hardirqs_on_caller+0xc0/0x300 [ 406.261249] ? syscall_return_slowpath+0x5e0/0x5e0 [ 406.266181] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.271035] ? trace_hardirqs_off+0x300/0x300 [ 406.275532] ? trace_hardirqs_off_caller+0x300/0x300 [ 406.280648] ? prepare_exit_to_usermode+0x291/0x3b0 [ 406.285673] ? page_fault+0x8/0x30 [ 406.289221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.294075] ? page_fault+0x8/0x30 [ 406.297619] page_fault+0x1e/0x30 [ 406.301074] RIP: 0033:0x45ddf3 [ 406.304276] Code: Bad RIP value. [ 406.307636] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 406.313010] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 406.320279] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 406.327549] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 406.334823] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 406.342107] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 406.349422] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 406.349428] warn_alloc_show_mem: 1 callbacks suppressed [ 406.349435] Mem-Info: [ 406.356708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.362076] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 406.362076] active_file:16 inactive_file:17 isolated_file:0 [ 406.362076] unevictable:0 dirty:0 writeback:0 unstable:0 [ 406.362076] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 406.362076] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 406.362076] free:13771 free_pcp:233 free_cma:0 [ 406.364446] Call Trace: [ 406.373924] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 406.406786] [ 406.409371] Node 0 [ 406.437059] dump_stack+0x1c4/0x2b4 [ 406.439203] 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 [ 406.441411] ? dump_stack_print_info.cold.2+0x52/0x52 [ 406.445018] lowmem_reserve[]: [ 406.470542] warn_alloc.cold.118+0xb7/0x1bd [ 406.475701] 0 [ 406.478805] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.483091] 2815 6318 [ 406.484902] ? lock_downgrade+0x900/0x900 [ 406.489728] 6318 [ 406.492265] ? trace_hardirqs_off+0xb8/0x300 [ 406.496382] Node 0 [ 406.498442] ? trace_hardirqs_off+0xb8/0x300 [ 406.502847] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 406.505058] __alloc_pages_slowpath+0x2667/0x2d80 [ 406.509430] lowmem_reserve[]: [ 406.536191] ? warn_alloc+0x120/0x120 [ 406.541008] 0 [ 406.544137] ? warn_alloc+0x120/0x120 [ 406.547933] 0 [ 406.549757] ? print_usage_bug+0xc0/0xc0 [ 406.553529] 3503 [ 406.555335] ? warn_alloc+0x120/0x120 [ 406.559356] 3503 [ 406.561427] ? print_usage_bug+0xc0/0xc0 [ 406.565210] Node 0 [ 406.567276] ? __lock_acquire+0x7ec/0x4ec0 [ 406.571335] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 406.573549] ? __lock_acquire+0x7ec/0x4ec0 [ 406.577745] lowmem_reserve[]: 0 [ 406.606147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.610351] 0 [ 406.613630] ? should_fail+0x22d/0xd01 [ 406.619141] 0 [ 406.620940] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.624797] 0 [ 406.626602] ? __lock_acquire+0x7ec/0x4ec0 [ 406.633489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.637695] Node 0 [ 406.642785] ? __lock_acquire+0x7ec/0x4ec0 [ 406.642795] DMA: [ 406.645028] ? should_fail+0x22d/0xd01 [ 406.649238] 1*4kB [ 406.651299] ? mark_held_locks+0x130/0x130 [ 406.655152] (U) [ 406.657294] ? mark_held_locks+0x130/0x130 [ 406.661502] 0*8kB [ 406.663470] ? graph_lock+0x170/0x170 [ 406.667678] 0*16kB [ 406.669817] ? graph_lock+0x170/0x170 [ 406.673597] 1*32kB [ 406.675825] ? graph_lock+0x170/0x170 [ 406.679607] (U) [ 406.681837] ? print_usage_bug+0xc0/0xc0 [ 406.685614] 2*64kB [ 406.687584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.691618] (U) [ 406.693848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.699365] 1*128kB [ 406.701333] ? check_preemption_disabled+0x48/0x200 [ 406.706842] (U) [ 406.709158] ? check_preemption_disabled+0x48/0x200 [ 406.714148] 1*256kB [ 406.716124] ? __lock_is_held+0xb5/0x140 [ 406.721106] (U) [ 406.723426] __alloc_pages_nodemask+0xa80/0xde0 [ 406.727452] 0*512kB 1*1024kB [ 406.729430] ? graph_lock+0x170/0x170 [ 406.734093] (U) [ 406.737201] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 406.740974] 1*2048kB [ 406.742950] ? graph_lock+0x170/0x170 [ 406.747933] (M) 3*4096kB [ 406.750357] ? find_held_lock+0x36/0x1c0 [ 406.754124] (M) [ 406.756883] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.760910] = 15908kB [ 406.762879] ? lock_downgrade+0x900/0x900 [ 406.767520] Node 0 [ 406.769932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.774048] DMA32: [ 406.776286] cache_grow_begin+0x91/0x8c0 [ 406.781795] 3*4kB [ 406.784026] ? do_raw_spin_unlock+0xa7/0x2f0 [ 406.788063] (M) [ 406.790220] fallback_alloc+0x203/0x2e0 [ 406.794599] 2*8kB [ 406.796572] ____cache_alloc_node+0x1c7/0x1e0 [ 406.800521] (M) [ 406.802667] kmem_cache_alloc_node+0xe3/0x730 [ 406.807136] 2*16kB [ 406.809114] ? ipv6_get_ifaddr+0x42e/0x620 [ 406.813583] (UM) [ 406.815822] __alloc_skb+0x119/0x770 [ 406.820027] 1*32kB [ 406.822107] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 406.825793] (M) [ 406.828025] ? skb_scrub_packet+0x490/0x490 [ 406.833276] 3*64kB [ 406.835244] ? lock_downgrade+0x900/0x900 [ 406.839540] (UM) [ 406.841776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.845902] 3*128kB (M) [ 406.847971] ? refcount_sub_and_test_checked+0x203/0x310 [ 406.853483] 2*256kB [ 406.856153] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 406.861575] (M) [ 406.863897] ? addrconf_rs_timer+0x6f0/0x6f0 [ 406.869317] 3*512kB [ 406.871297] ndisc_alloc_skb+0x144/0x340 [ 406.875670] (M) [ 406.878001] ndisc_send_rs+0x331/0x6e0 [ 406.882035] 4*1024kB [ 406.884017] addrconf_rs_timer+0x3c0/0x6f0 [ 406.887868] (UM) 3*2048kB [ 406.890285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.894492] (M) [ 406.897342] call_timer_fn+0x272/0x920 [ 406.901541] 3*4096kB [ 406.903513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.907373] (M) [ 406.909781] ? process_timeout+0x40/0x40 [ 406.913982] = 25244kB [ 406.913998] Node 0 [ 406.915972] ? find_held_lock+0x36/0x1c0 [ 406.920012] Normal: [ 406.922423] ? __run_timers+0x7da/0xc70 [ 406.924629] 1139*4kB [ 406.928685] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.930983] (MEH) [ 406.934976] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.937370] 438*8kB [ 406.941858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.943980] (UME) [ 406.948474] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 406.950772] 175*16kB [ 406.955006] ? trace_hardirqs_on+0xbd/0x310 [ 406.957131] (UME) [ 406.961722] ? kasan_check_read+0x11/0x20 [ 406.964106] 64*32kB [ 406.968420] ? __run_timers+0x7da/0xc70 [ 406.970542] (UMEH) [ 406.974686] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.976993] 14*64kB [ 406.980960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.983168] (UM) [ 406.988615] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.990913] 1*128kB [ 406.995150] __run_timers+0x7e5/0xc70 [ 406.997184] (H) 0*256kB [ 407.001435] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 407.003722] 0*512kB [ 407.007516] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 407.010178] 0*1024kB [ 407.015538] ? graph_lock+0x170/0x170 [ 407.017835] 0*2048kB [ 407.022846] ? enqueue_hrtimer+0x1a5/0x560 [ 407.025236] 0*4096kB [ 407.029027] ? lock_release+0x970/0x970 [ 407.031413] = 13932kB [ 407.035640] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 407.038035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 407.042005] ? find_held_lock+0x36/0x1c0 [ 407.044391] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 407.049566] ? graph_lock+0x170/0x170 [ 407.058381] 788 total pagecache pages [ 407.062436] ? pvclock_read_flags+0x160/0x160 [ 407.071056] 0 pages in swap cache [ 407.074848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.078621] Swap cache stats: add 0, delete 0, find 0/0 [ 407.083108] ? check_preemption_disabled+0x48/0x200 [ 407.086532] Free swap = 0kB [ 407.092086] ? __lock_is_held+0xb5/0x140 [ 407.097418] Total swap = 0kB [ 407.102444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.105434] 1965979 pages RAM [ 407.109523] ? check_preemption_disabled+0x48/0x200 [ 407.112512] 0 pages HighMem/MovableOnly [ 407.118056] run_timer_softirq+0x52/0xb0 [ 407.121129] 343323 pages reserved [ 407.126148] ? rcu_read_lock_sched_held+0x108/0x120 [ 407.130096] 0 pages cma reserved [ 407.134157] __do_softirq+0x30b/0xad8 [ 407.137666] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 407.142604] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 407.146065] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 407.149745] ? pvclock_read_flags+0x160/0x160 [ 407.156211] syz-fuzzer cpuset= [ 407.161309] ? lapic_next_event+0x5a/0x90 [ 407.171510] / [ 407.176015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.179183] mems_allowed=0 [ 407.183321] ? check_preemption_disabled+0x48/0x200 [ 407.198455] ? check_preemption_disabled+0x48/0x200 [ 407.203487] ? kvm_clock_read+0x18/0x30 [ 407.207465] ? kvm_sched_clock_read+0x9/0x20 [ 407.211881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.217416] ? check_preemption_disabled+0x48/0x200 [ 407.222448] irq_exit+0x17f/0x1c0 [ 407.225910] smp_apic_timer_interrupt+0x1cb/0x760 [ 407.230752] ? smp_reschedule_interrupt+0x109/0x650 [ 407.235771] ? smp_call_function_single_interrupt+0x650/0x650 [ 407.241655] ? interrupt_entry+0xb5/0xf0 [ 407.245719] ? trace_hardirqs_off_caller+0xbb/0x300 [ 407.250752] ? trace_hardirqs_off_caller+0xbb/0x300 [ 407.255775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.260621] ? trace_hardirqs_off+0x300/0x300 [ 407.265115] ? trace_hardirqs_off+0x300/0x300 [ 407.269612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.275150] ? check_preemption_disabled+0x48/0x200 [ 407.280166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.285717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.290575] apic_timer_interrupt+0xf/0x20 [ 407.294810] [ 407.297052] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 407.301997] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 407.320899] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 407.328610] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 407.335877] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 407.343152] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 407.350419] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 407.357684] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 407.365016] skb_clone+0x1bb/0x500 [ 407.368564] ? finish_task_switch+0x2f5/0x900 [ 407.373061] ? skb_split+0x11e0/0x11e0 [ 407.376957] ? preempt_notifier_register+0x200/0x200 [ 407.382067] ? __switch_to_asm+0x34/0x70 [ 407.386132] ? __switch_to_asm+0x34/0x70 [ 407.390194] ? __switch_to_asm+0x40/0x70 [ 407.394251] ? __switch_to_asm+0x34/0x70 [ 407.398342] ? __switch_to_asm+0x40/0x70 [ 407.402402] ? __switch_to_asm+0x34/0x70 [ 407.406460] ? __switch_to_asm+0x40/0x70 [ 407.410519] ? __switch_to_asm+0x34/0x70 [ 407.414581] ? __switch_to_asm+0x34/0x70 [ 407.418641] ? __switch_to_asm+0x40/0x70 [ 407.422701] ? __switch_to_asm+0x34/0x70 [ 407.426787] bpf_clone_redirect+0xb9/0x490 [ 407.431030] ? __schedule+0x874/0x1ed0 [ 407.434925] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 407.439947] ? __sched_text_start+0x8/0x8 [ 407.444102] ? retint_kernel+0x2d/0x2d [ 407.448010] ? find_held_lock+0x36/0x1c0 [ 407.452085] ? lock_acquire+0x1ed/0x520 [ 407.456060] ? bpf_test_run+0x32e/0x5a0 [ 407.460045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.465587] ? check_preemption_disabled+0x48/0x200 [ 407.470611] ? kasan_check_read+0x11/0x20 [ 407.474764] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 407.480045] ? rcu_bh_qs+0xc0/0xc0 [ 407.483592] ? preempt_schedule+0x4d/0x60 [ 407.487743] ? ___preempt_schedule+0x16/0x18 [ 407.492164] ? bpf_test_run+0x1c0/0x5a0 [ 407.496149] ? netlink_diag_dump+0x2a0/0x2a0 [ 407.500564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.506111] ? bpf_test_init.isra.9+0x70/0x100 [ 407.510718] ? bpf_prog_test_run_skb+0x634/0xb40 [ 407.515486] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 407.520591] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 407.526130] ? fput+0x130/0x1a0 [ 407.529411] ? __bpf_prog_get+0x9b/0x290 [ 407.533476] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 407.538320] ? bpf_prog_test_run+0x130/0x1a0 [ 407.542736] ? __x64_sys_bpf+0x3d8/0x510 [ 407.546800] ? bpf_prog_get+0x20/0x20 [ 407.550614] ? ksys_ioctl+0x81/0xd0 [ 407.554254] ? do_syscall_64+0x1b9/0x820 [ 407.558349] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 407.563722] ? syscall_return_slowpath+0x5e0/0x5e0 [ 407.568658] ? trace_hardirqs_off+0x300/0x300 [ 407.573157] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 407.578180] ? recalc_sigpending_tsk+0x180/0x180 [ 407.582939] ? kasan_check_write+0x14/0x20 [ 407.587183] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.592039] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.597428] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 407.597518] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 407.604353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.604359] Call Trace: [ 407.604366] [ 407.604384] dump_stack+0x1c4/0x2b4 [ 407.604400] ? dump_stack_print_info.cold.2+0x52/0x52 [ 407.604428] warn_alloc.cold.118+0xb7/0x1bd [ 407.610982] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 407.620285] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.622841] syz-executor6 cpuset= [ 407.625003] ? lock_downgrade+0x900/0x900 [ 407.628601] syz6 [ 407.633798] ? trace_hardirqs_off+0xb8/0x300 [ 407.638121] mems_allowed=0 [ 407.648620] ? trace_hardirqs_off+0xb8/0x300 [ 407.674753] __alloc_pages_slowpath+0x2667/0x2d80 [ 407.679646] ? warn_alloc+0x120/0x120 [ 407.683457] ? trace_hardirqs_on+0x310/0x310 [ 407.687869] ? warn_alloc+0x120/0x120 [ 407.691675] ? print_usage_bug+0xc0/0xc0 [ 407.695738] ? warn_alloc+0x120/0x120 [ 407.699543] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 407.704565] ? print_usage_bug+0xc0/0xc0 [ 407.708637] ? __lock_acquire+0x7ec/0x4ec0 [ 407.712873] ? __lock_acquire+0x7ec/0x4ec0 [ 407.717118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.722663] ? should_fail+0x22d/0xd01 [ 407.726562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.731673] ? __lock_acquire+0x7ec/0x4ec0 [ 407.735920] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.741028] ? __lock_acquire+0x7ec/0x4ec0 [ 407.745271] ? should_fail+0x22d/0xd01 [ 407.749164] ? print_usage_bug+0xc0/0xc0 [ 407.753245] ? mark_held_locks+0x130/0x130 [ 407.757489] ? mark_held_locks+0x130/0x130 [ 407.761734] ? graph_lock+0x170/0x170 [ 407.765534] ? print_usage_bug+0xc0/0xc0 [ 407.769602] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 407.774370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.779922] ? check_preemption_disabled+0x48/0x200 [ 407.784939] ? check_preemption_disabled+0x48/0x200 [ 407.789979] ? __lock_is_held+0xb5/0x140 [ 407.794063] __alloc_pages_nodemask+0xa80/0xde0 [ 407.798743] ? graph_lock+0x170/0x170 [ 407.802586] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 407.807614] ? graph_lock+0x170/0x170 [ 407.811433] ? find_held_lock+0x36/0x1c0 [ 407.815511] ? ____cache_alloc_node+0x1c7/0x1e0 [ 407.820187] ? lock_downgrade+0x900/0x900 [ 407.824348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.829898] cache_grow_begin+0x91/0x8c0 [ 407.833984] ? do_raw_spin_unlock+0xa7/0x2f0 [ 407.838424] fallback_alloc+0x203/0x2e0 [ 407.842421] ____cache_alloc_node+0x1c7/0x1e0 [ 407.846938] kmem_cache_alloc_node+0xe3/0x730 [ 407.851442] ? ipv6_get_ifaddr+0x42e/0x620 [ 407.855697] __alloc_skb+0x119/0x770 [ 407.859430] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 407.864722] ? skb_scrub_packet+0x490/0x490 [ 407.869048] ? lock_downgrade+0x900/0x900 [ 407.873210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.878756] ? refcount_sub_and_test_checked+0x203/0x310 [ 407.884215] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 407.889671] ? addrconf_rs_timer+0x6f0/0x6f0 [ 407.894097] ndisc_alloc_skb+0x144/0x340 [ 407.898166] ndisc_send_rs+0x331/0x6e0 [ 407.902065] addrconf_rs_timer+0x3c0/0x6f0 [ 407.906309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.910565] call_timer_fn+0x272/0x920 [ 407.914458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.918697] ? process_timeout+0x40/0x40 [ 407.922773] ? find_held_lock+0x36/0x1c0 [ 407.926841] ? mark_held_locks+0xc7/0x130 [ 407.931002] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.935502] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.940007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.944244] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 407.948846] ? trace_hardirqs_on+0xbd/0x310 [ 407.953166] ? kasan_check_read+0x11/0x20 [ 407.957584] ? __run_timers+0x7da/0xc70 [ 407.961563] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.967036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.971280] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.975518] __run_timers+0x7e5/0xc70 [ 407.979333] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 407.984698] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 407.989976] ? rcu_bh_qs+0xc0/0xc0 [ 407.993539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.999087] ? mark_held_locks+0xc7/0x130 [ 408.003240] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 408.008012] ? retint_kernel+0x2d/0x2d [ 408.011900] ? trace_hardirqs_on_caller+0xc0/0x300 [ 408.017057] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 408.021816] ? trace_hardirqs_off_caller+0x300/0x300 [ 408.026922] ? check_preemption_disabled+0x48/0x200 [ 408.031939] ? graph_lock+0x170/0x170 [ 408.035745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.041287] ? check_preemption_disabled+0x48/0x200 [ 408.046322] ? __lock_is_held+0xb5/0x140 [ 408.050388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.055924] ? check_preemption_disabled+0x48/0x200 [ 408.060952] run_timer_softirq+0x52/0xb0 [ 408.065025] ? rcu_read_lock_sched_held+0x108/0x120 [ 408.070063] __do_softirq+0x30b/0xad8 [ 408.073878] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 408.078996] ? pvclock_read_flags+0x160/0x160 [ 408.083499] ? lapic_next_event+0x5a/0x90 [ 408.087649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.093307] ? check_preemption_disabled+0x48/0x200 [ 408.098320] ? check_preemption_disabled+0x48/0x200 [ 408.103343] ? kvm_clock_read+0x18/0x30 [ 408.107317] ? kvm_sched_clock_read+0x9/0x20 [ 408.111734] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.117275] ? check_preemption_disabled+0x48/0x200 [ 408.122307] irq_exit+0x17f/0x1c0 [ 408.125772] smp_apic_timer_interrupt+0x1cb/0x760 [ 408.130624] ? smp_call_function_single_interrupt+0x650/0x650 [ 408.136513] ? interrupt_entry+0xb5/0xf0 [ 408.140586] ? trace_hardirqs_off_caller+0xbb/0x300 [ 408.145606] ? trace_hardirqs_off_caller+0xbb/0x300 [ 408.150913] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.155762] ? trace_hardirqs_off+0x300/0x300 [ 408.160259] ? trace_hardirqs_off+0x300/0x300 [ 408.164761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.170303] ? check_preemption_disabled+0x48/0x200 [ 408.175320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.180871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.185727] apic_timer_interrupt+0xf/0x20 [ 408.189959] [ 408.192208] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 408.197491] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 408.216398] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 408.224117] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 408.231407] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 408.238701] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 408.245995] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 408.253285] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 408.260607] ? arch_local_irq_restore+0x45/0x52 [ 408.265308] dump_stack+0x26a/0x2b4 [ 408.268948] ? dump_stack_print_info.cold.2+0x52/0x52 [ 408.274149] ? mark_held_locks+0x130/0x130 [ 408.278399] ? mark_held_locks+0x130/0x130 [ 408.282645] dump_header+0x27b/0xf72 [ 408.286377] ? pagefault_out_of_memory+0x197/0x197 [ 408.291319] ? mark_held_locks+0x130/0x130 [ 408.295555] ? __lock_acquire+0x7ec/0x4ec0 [ 408.299808] ? mem_cgroup_charge_statistics+0x780/0x780 [ 408.305195] ? print_usage_bug+0xc0/0xc0 [ 408.309272] ? print_usage_bug+0xc0/0xc0 [ 408.313345] ? graph_lock+0x170/0x170 [ 408.317164] ? graph_lock+0x170/0x170 [ 408.320970] ? print_usage_bug+0xc0/0xc0 [ 408.325041] ? print_usage_bug+0xc0/0xc0 [ 408.329119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.334669] ? find_held_lock+0x36/0x1c0 [ 408.338740] ? mark_held_locks+0xc7/0x130 [ 408.342894] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.348021] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.353147] ? lockdep_hardirqs_on+0x421/0x5c0 [ 408.357743] ? trace_hardirqs_on+0xbd/0x310 [ 408.362065] ? kasan_check_read+0x11/0x20 [ 408.366239] ? ___ratelimit+0x36f/0x655 [ 408.370220] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.375683] ? trace_hardirqs_on+0x310/0x310 [ 408.380101] ? lock_downgrade+0x900/0x900 [ 408.384262] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.389372] ? ___ratelimit+0xaa/0x655 [ 408.393269] ? idr_get_free+0xec0/0xec0 [ 408.397249] ? kasan_check_write+0x14/0x20 [ 408.401501] ? do_raw_spin_lock+0xc1/0x200 [ 408.405750] oom_kill_process.cold.27+0x10/0x903 [ 408.410515] ? graph_lock+0x170/0x170 [ 408.414319] ? _raw_spin_unlock+0x2c/0x50 [ 408.418470] ? oom_badness+0xe6/0xaa0 [ 408.422288] ? oom_evaluate_task+0x540/0x540 [ 408.426707] ? find_held_lock+0x36/0x1c0 [ 408.430786] ? out_of_memory+0x974/0x14c0 [ 408.434940] ? lock_downgrade+0x900/0x900 [ 408.439091] ? check_preemption_disabled+0x48/0x200 [ 408.444149] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 408.449959] ? kasan_check_read+0x11/0x20 [ 408.454129] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.459414] ? rcu_bh_qs+0xc0/0xc0 [ 408.462967] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 408.468003] ? oom_evaluate_task+0x302/0x540 [ 408.472427] out_of_memory+0xa86/0x14c0 [ 408.476417] ? oom_killer_disable+0x3a0/0x3a0 [ 408.480914] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 408.485853] ? __mutex_add_waiter+0x2a0/0x2a0 [ 408.490369] __alloc_pages_slowpath+0x2318/0x2d80 [ 408.495269] ? warn_alloc+0x120/0x120 [ 408.499103] ? find_get_entry+0x2f2/0xc40 [ 408.503274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.508835] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 408.513792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.519364] ? should_fail+0x22d/0xd01 [ 408.523289] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.528425] ? __lock_is_held+0xb5/0x140 [ 408.532543] ? __lock_is_held+0xb5/0x140 [ 408.536658] ? find_held_lock+0x36/0x1c0 [ 408.540748] ? ___might_sleep+0x1ed/0x300 [ 408.544917] ? lock_release+0x970/0x970 [ 408.548918] ? arch_local_save_flags+0x40/0x40 [ 408.553538] ? __might_sleep+0x95/0x190 [ 408.557540] __alloc_pages_nodemask+0xa80/0xde0 [ 408.562239] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 408.567271] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 408.573081] ? kasan_check_read+0x11/0x20 [ 408.577231] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.582539] ? graph_lock+0x170/0x170 [ 408.586345] ? print_usage_bug+0xc0/0xc0 [ 408.590409] ? graph_lock+0x170/0x170 [ 408.594217] ? graph_lock+0x170/0x170 [ 408.598029] ? __do_page_cache_readahead+0x7ce/0x980 [ 408.603140] ? find_held_lock+0x36/0x1c0 [ 408.607209] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 408.612757] alloc_pages_current+0x10c/0x210 [ 408.617170] ? lock_downgrade+0x900/0x900 [ 408.621324] __page_cache_alloc+0x38f/0x5b0 [ 408.625648] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 408.631444] ? kasan_check_read+0x11/0x20 [ 408.635607] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.640889] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 408.645563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.651108] ? check_preemption_disabled+0x48/0x200 [ 408.656140] filemap_fault+0x1594/0x25f0 [ 408.660215] ? __lock_page_or_retry+0xa00/0xa00 [ 408.664889] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 408.670682] ? kasan_check_read+0x11/0x20 [ 408.674831] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.680113] ? rcu_bh_qs+0xc0/0xc0 [ 408.683669] ? filemap_map_pages+0xdea/0x1980 [ 408.688176] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.693284] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 408.698559] ? debug_object_free+0x325/0x690 [ 408.702976] ? find_get_pages_range_tag+0x1320/0x1320 [ 408.708180] ? graph_lock+0x170/0x170 [ 408.711996] ? kasan_check_read+0x11/0x20 [ 408.716150] ? debug_object_destroy+0x2b0/0x2b0 [ 408.720833] ? lock_acquire+0x1ed/0x520 [ 408.724811] ? ext4_filemap_fault+0x7a/0xad [ 408.729139] ? lock_release+0x970/0x970 [ 408.733118] ? arch_local_save_flags+0x40/0x40 [ 408.737706] ? futex_wait_setup+0x3e0/0x3e0 [ 408.742044] ? down_read+0xb0/0x1d0 [ 408.745670] ? ext4_filemap_fault+0x7a/0xad [ 408.750004] ? __down_interruptible+0x700/0x700 [ 408.754695] ext4_filemap_fault+0x82/0xad [ 408.758852] __do_fault+0x100/0x6b0 [ 408.762485] ? print_bad_pte+0x6c0/0x6c0 [ 408.766553] ? do_futex+0x249/0x26d0 [ 408.770274] ? kasan_check_read+0x11/0x20 [ 408.774423] ? pmd_val+0x88/0x100 [ 408.777881] ? add_mm_counter_fast+0xd0/0xd0 [ 408.782290] ? pmd_val+0x88/0x100 [ 408.785744] ? add_mm_counter_fast+0xd0/0xd0 [ 408.790163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.795705] __handle_mm_fault+0x3709/0x53e0 [ 408.800115] ? perf_trace_lock+0x14d/0x7a0 [ 408.804362] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 408.809205] ? graph_lock+0x170/0x170 [ 408.813017] ? print_usage_bug+0xc0/0xc0 [ 408.817084] ? graph_lock+0x170/0x170 [ 408.820884] ? graph_lock+0x170/0x170 [ 408.824705] ? handle_mm_fault+0x42a/0xc70 [ 408.828945] ? lock_downgrade+0x900/0x900 [ 408.833096] ? check_preemption_disabled+0x48/0x200 [ 408.838124] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 408.843922] ? kasan_check_read+0x11/0x20 [ 408.848076] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.853359] ? rcu_bh_qs+0xc0/0xc0 [ 408.856902] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.862357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.867900] ? check_preemption_disabled+0x48/0x200 [ 408.872932] handle_mm_fault+0x54f/0xc70 [ 408.877009] ? __handle_mm_fault+0x53e0/0x53e0 [ 408.881602] ? find_vma+0x34/0x190 [ 408.885155] __do_page_fault+0x67d/0xed0 [ 408.889229] ? mm_fault_error+0x380/0x380 [ 408.893377] ? trace_hardirqs_off+0xb8/0x300 [ 408.897785] ? trace_hardirqs_on+0x310/0x310 [ 408.902200] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.907596] ? trace_hardirqs_on+0x310/0x310 [ 408.912037] do_page_fault+0xf2/0x7e0 [ 408.915858] ? vmalloc_sync_all+0x30/0x30 [ 408.920028] ? error_entry+0x70/0xd0 [ 408.923752] ? trace_hardirqs_off_caller+0xbb/0x300 [ 408.928767] ? trace_hardirqs_on_caller+0xc0/0x300 [ 408.933710] ? syscall_return_slowpath+0x5e0/0x5e0 [ 408.938642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.943492] ? trace_hardirqs_off+0x300/0x300 [ 408.947999] ? trace_hardirqs_off_caller+0x300/0x300 [ 408.953130] ? prepare_exit_to_usermode+0x291/0x3b0 [ 408.958160] ? page_fault+0x8/0x30 [ 408.961709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.966559] ? page_fault+0x8/0x30 [ 408.970109] page_fault+0x1e/0x30 [ 408.973564] RIP: 0033:0x45ddf3 [ 408.976775] Code: Bad RIP value. [ 408.980141] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 408.985512] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 408.992783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 409.000052] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 409.007333] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 409.014609] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 409.021924] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 409.021930] warn_alloc_show_mem: 1 callbacks suppressed [ 409.021937] Mem-Info: [ 409.029211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.034589] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 409.034589] active_file:16 inactive_file:17 isolated_file:0 [ 409.034589] unevictable:0 dirty:0 writeback:0 unstable:0 [ 409.034589] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 409.034589] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 409.034589] free:13771 free_pcp:233 free_cma:0 [ 409.036951] Call Trace: [ 409.046343] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 409.079209] [ 409.081796] Node 0 [ 409.109490] dump_stack+0x1c4/0x2b4 [ 409.111641] 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 [ 409.113852] ? dump_stack_print_info.cold.2+0x52/0x52 [ 409.117447] lowmem_reserve[]: [ 409.142972] warn_alloc.cold.118+0xb7/0x1bd [ 409.148132] 0 [ 409.151241] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 409.155535] 2815 [ 409.157338] ? lock_downgrade+0x900/0x900 [ 409.162148] 6318 [ 409.164214] ? trace_hardirqs_off+0xb8/0x300 [ 409.168330] 6318 [ 409.170394] ? trace_hardirqs_off+0xb8/0x300 [ 409.176833] __alloc_pages_slowpath+0x2667/0x2d80 [ 409.181208] Node 0 DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 409.186072] ? warn_alloc+0x120/0x120 [ 409.186099] ? warn_alloc+0x120/0x120 [ 409.213410] lowmem_reserve[]: 0 [ 409.217238] ? print_usage_bug+0xc0/0xc0 [ 409.221009] 0 [ 409.224289] ? warn_alloc+0x120/0x120 [ 409.228321] 3503 [ 409.230121] ? print_usage_bug+0xc0/0xc0 [ 409.233900] 3503 [ 409.235969] ? __lock_acquire+0x7ec/0x4ec0 [ 409.240014] Node 0 [ 409.242089] ? __lock_acquire+0x7ec/0x4ec0 [ 409.246315] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 409.248528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.252731] lowmem_reserve[]: [ 409.281127] ? should_fail+0x22d/0xd01 [ 409.286645] 0 [ 409.289758] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.293615] 0 [ 409.295419] ? __lock_acquire+0x7ec/0x4ec0 [ 409.300490] 0 [ 409.302294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.306502] 0 [ 409.308303] ? __lock_acquire+0x7ec/0x4ec0 [ 409.313378] Node 0 [ 409.315177] ? should_fail+0x22d/0xd01 [ 409.319385] DMA: [ 409.321626] ? mark_held_locks+0x130/0x130 [ 409.325473] 1*4kB [ 409.327532] ? mark_held_locks+0x130/0x130 [ 409.331735] (U) [ 409.333878] ? graph_lock+0x170/0x170 [ 409.338092] 0*8kB [ 409.340062] ? graph_lock+0x170/0x170 [ 409.343838] 0*16kB [ 409.345980] ? graph_lock+0x170/0x170 [ 409.349763] 1*32kB [ 409.352005] ? print_usage_bug+0xc0/0xc0 [ 409.355778] (U) [ 409.358020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.362052] 2*64kB [ 409.364027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.369535] (U) [ 409.371767] ? check_preemption_disabled+0x48/0x200 [ 409.377282] 1*128kB [ 409.379257] ? check_preemption_disabled+0x48/0x200 [ 409.384241] (U) [ 409.386576] ? __lock_is_held+0xb5/0x140 [ 409.391553] 1*256kB [ 409.393529] __alloc_pages_nodemask+0xa80/0xde0 [ 409.397557] (U) [ 409.399877] ? graph_lock+0x170/0x170 [ 409.404521] 0*512kB [ 409.406495] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 409.410266] 1*1024kB [ 409.412586] ? graph_lock+0x170/0x170 [ 409.417576] (U) 1*2048kB [ 409.420009] ? find_held_lock+0x36/0x1c0 [ 409.423774] (M) [ 409.426538] ? ____cache_alloc_node+0x1c7/0x1e0 [ 409.430560] 3*4096kB (M) [ 409.432551] ? lock_downgrade+0x900/0x900 [ 409.437193] = 15908kB [ 409.439958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.444069] Node 0 [ 409.446482] cache_grow_begin+0x91/0x8c0 [ 409.451996] DMA32: 3*4kB [ 409.454255] ? do_raw_spin_unlock+0xa7/0x2f0 [ 409.458291] (M) [ 409.461067] fallback_alloc+0x203/0x2e0 [ 409.465445] 2*8kB [ 409.467437] ____cache_alloc_node+0x1c7/0x1e0 [ 409.471376] (M) [ 409.473542] kmem_cache_alloc_node+0xe3/0x730 [ 409.478006] 2*16kB [ 409.479996] ? ipv6_get_ifaddr+0x42e/0x620 [ 409.484463] (UM) [ 409.486709] __alloc_skb+0x119/0x770 [ 409.490905] 1*32kB [ 409.492969] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 409.496651] (M) [ 409.498971] ? skb_scrub_packet+0x490/0x490 [ 409.504213] 3*64kB (UM) [ 409.506194] ? lock_downgrade+0x900/0x900 [ 409.510488] 3*128kB [ 409.513158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.517271] (M) [ 409.519591] ? refcount_sub_and_test_checked+0x203/0x310 [ 409.525105] 2*256kB [ 409.527075] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 409.532497] (M) [ 409.534819] ? addrconf_rs_timer+0x6f0/0x6f0 [ 409.540240] 3*512kB [ 409.542220] ndisc_alloc_skb+0x144/0x340 [ 409.546589] (M) 4*1024kB [ 409.548920] ndisc_send_rs+0x331/0x6e0 [ 409.552951] (UM) [ 409.555712] addrconf_rs_timer+0x3c0/0x6f0 [ 409.559569] 3*2048kB [ 409.561630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.565835] (M) [ 409.568251] call_timer_fn+0x272/0x920 [ 409.572447] 3*4096kB [ 409.574416] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.578278] (M) [ 409.580682] ? process_timeout+0x40/0x40 [ 409.584887] = 25244kB [ 409.586857] ? find_held_lock+0x36/0x1c0 [ 409.590907] Node 0 [ 409.593316] ? __run_timers+0x7da/0xc70 [ 409.597345] Normal: [ 409.599579] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.603529] 1139*4kB [ 409.605847] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.610315] (MEH) [ 409.612725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.617190] 438*8kB (UME) [ 409.619345] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 409.623551] 175*16kB [ 409.626390] ? trace_hardirqs_on+0xbd/0x310 [ 409.630948] (UME) [ 409.633353] ? kasan_check_read+0x11/0x20 [ 409.637648] 64*32kB (UMEH) [ 409.639807] ? __run_timers+0x7da/0xc70 [ 409.643927] 14*64kB [ 409.646852] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.651066] (UM) [ 409.653394] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.658814] 1*128kB [ 409.660872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.665087] (H) [ 409.667409] __run_timers+0x7e5/0xc70 [ 409.671629] 0*256kB 0*512kB [ 409.673622] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 409.677396] 0*1024kB 0*2048kB [ 409.680421] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 409.685760] 0*4096kB [ 409.688946] ? graph_lock+0x170/0x170 [ 409.693933] = 13932kB [ 409.696336] ? enqueue_hrtimer+0x1a5/0x560 [ 409.700115] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 409.702520] ? lock_release+0x970/0x970 [ 409.706735] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 409.715568] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 409.719525] 788 total pagecache pages [ 409.728100] ? find_held_lock+0x36/0x1c0 [ 409.733262] 0 pages in swap cache [ 409.737047] ? graph_lock+0x170/0x170 [ 409.741092] Swap cache stats: add 0, delete 0, find 0/0 [ 409.744537] ? pvclock_read_flags+0x160/0x160 [ 409.748312] Free swap = 0kB [ 409.753669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.758136] Total swap = 0kB [ 409.761148] ? check_preemption_disabled+0x48/0x200 [ 409.766659] 1965979 pages RAM [ 409.769676] ? __lock_is_held+0xb5/0x140 [ 409.774658] 0 pages HighMem/MovableOnly [ 409.777758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.781786] 343323 pages reserved [ 409.781794] 0 pages cma reserved [ 409.785765] ? check_preemption_disabled+0x48/0x200 [ 409.791352] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 409.794724] run_timer_softirq+0x52/0xb0 [ 409.794741] ? rcu_read_lock_sched_held+0x108/0x120 [ 409.794761] __do_softirq+0x30b/0xad8 [ 409.798180] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.803125] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 409.809586] syz-fuzzer cpuset= [ 409.813643] ? pvclock_read_flags+0x160/0x160 [ 409.818628] / [ 409.822444] ? lapic_next_event+0x5a/0x90 [ 409.832648] mems_allowed=0 [ 409.837773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.859700] ? check_preemption_disabled+0x48/0x200 [ 409.864719] ? check_preemption_disabled+0x48/0x200 [ 409.869747] ? kvm_clock_read+0x18/0x30 [ 409.873722] ? kvm_sched_clock_read+0x9/0x20 [ 409.878145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.883702] ? check_preemption_disabled+0x48/0x200 [ 409.888755] irq_exit+0x17f/0x1c0 [ 409.892224] smp_apic_timer_interrupt+0x1cb/0x760 [ 409.897073] ? smp_reschedule_interrupt+0x109/0x650 [ 409.902104] ? smp_call_function_single_interrupt+0x650/0x650 [ 409.907995] ? interrupt_entry+0xb5/0xf0 [ 409.912063] ? trace_hardirqs_off_caller+0xbb/0x300 [ 409.917090] ? trace_hardirqs_off_caller+0xbb/0x300 [ 409.922114] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.926959] ? trace_hardirqs_off+0x300/0x300 [ 409.931462] ? trace_hardirqs_off+0x300/0x300 [ 409.935957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.941503] ? check_preemption_disabled+0x48/0x200 [ 409.946520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.952069] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.956933] apic_timer_interrupt+0xf/0x20 [ 409.961162] [ 409.963405] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 409.968340] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 409.987242] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 409.994953] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 410.002217] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 410.009481] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 410.017035] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 410.024307] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 410.031630] skb_clone+0x1bb/0x500 [ 410.035177] ? finish_task_switch+0x2f5/0x900 [ 410.039676] ? skb_split+0x11e0/0x11e0 [ 410.043567] ? preempt_notifier_register+0x200/0x200 [ 410.048675] ? __switch_to_asm+0x34/0x70 [ 410.052734] ? __switch_to_asm+0x34/0x70 [ 410.056792] ? __switch_to_asm+0x40/0x70 [ 410.060852] ? __switch_to_asm+0x34/0x70 [ 410.064912] ? __switch_to_asm+0x40/0x70 [ 410.068971] ? __switch_to_asm+0x34/0x70 [ 410.073040] ? __switch_to_asm+0x40/0x70 [ 410.077103] ? __switch_to_asm+0x34/0x70 [ 410.081166] ? __switch_to_asm+0x34/0x70 [ 410.085226] ? __switch_to_asm+0x40/0x70 [ 410.089283] ? __switch_to_asm+0x34/0x70 [ 410.093358] bpf_clone_redirect+0xb9/0x490 [ 410.097613] ? __schedule+0x874/0x1ed0 [ 410.101513] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 410.106533] ? __sched_text_start+0x8/0x8 [ 410.110694] ? retint_kernel+0x2d/0x2d [ 410.114594] ? find_held_lock+0x36/0x1c0 [ 410.118664] ? lock_acquire+0x1ed/0x520 [ 410.122640] ? bpf_test_run+0x32e/0x5a0 [ 410.126618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.132156] ? check_preemption_disabled+0x48/0x200 [ 410.137182] ? kasan_check_read+0x11/0x20 [ 410.141336] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.146617] ? rcu_bh_qs+0xc0/0xc0 [ 410.150401] ? preempt_schedule+0x4d/0x60 [ 410.154553] ? ___preempt_schedule+0x16/0x18 [ 410.158972] ? bpf_test_run+0x1c0/0x5a0 [ 410.162965] ? netlink_diag_dump+0x2a0/0x2a0 [ 410.167386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.172919] ? bpf_test_init.isra.9+0x70/0x100 [ 410.177507] ? bpf_prog_test_run_skb+0x634/0xb40 [ 410.182291] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 410.187140] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 410.192678] ? fput+0x130/0x1a0 [ 410.195959] ? __bpf_prog_get+0x9b/0x290 [ 410.200037] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 410.204880] ? bpf_prog_test_run+0x130/0x1a0 [ 410.209295] ? __x64_sys_bpf+0x3d8/0x510 [ 410.213374] ? bpf_prog_get+0x20/0x20 [ 410.218751] ? ksys_ioctl+0x81/0xd0 [ 410.222390] ? do_syscall_64+0x1b9/0x820 [ 410.226453] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 410.231820] ? syscall_return_slowpath+0x5e0/0x5e0 [ 410.236754] ? trace_hardirqs_off+0x300/0x300 [ 410.241255] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 410.246274] ? recalc_sigpending_tsk+0x180/0x180 [ 410.251031] ? kasan_check_write+0x14/0x20 [ 410.255276] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.260136] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 410.265525] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 410.265619] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 410.272473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.272482] Call Trace: [ 410.279078] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.288305] [ 410.290874] syz-executor6 cpuset= [ 410.301353] dump_stack+0x1c4/0x2b4 [ 410.303474] syz6 [ 410.306923] ? dump_stack_print_info.cold.2+0x52/0x52 [ 410.310528] mems_allowed=0 [ 410.312509] warn_alloc.cold.118+0xb7/0x1bd [ 410.324899] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.329750] ? lock_downgrade+0x900/0x900 [ 410.333908] ? trace_hardirqs_off+0xb8/0x300 [ 410.338327] ? trace_hardirqs_off+0xb8/0x300 [ 410.342761] __alloc_pages_slowpath+0x2667/0x2d80 [ 410.347642] ? warn_alloc+0x120/0x120 [ 410.351450] ? warn_alloc+0x120/0x120 [ 410.355255] ? print_usage_bug+0xc0/0xc0 [ 410.359318] ? warn_alloc+0x120/0x120 [ 410.363134] ? print_usage_bug+0xc0/0xc0 [ 410.367202] ? __lock_acquire+0x7ec/0x4ec0 [ 410.371437] ? __lock_acquire+0x7ec/0x4ec0 [ 410.375675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.381216] ? should_fail+0x22d/0xd01 [ 410.385109] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.390216] ? __lock_acquire+0x7ec/0x4ec0 [ 410.394456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.399559] ? __lock_acquire+0x7ec/0x4ec0 [ 410.403798] ? should_fail+0x22d/0xd01 [ 410.407696] ? mark_held_locks+0x130/0x130 [ 410.411938] ? mark_held_locks+0x130/0x130 [ 410.416177] ? graph_lock+0x170/0x170 [ 410.419978] ? graph_lock+0x170/0x170 [ 410.423795] ? graph_lock+0x170/0x170 [ 410.427602] ? print_usage_bug+0xc0/0xc0 [ 410.431664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.437223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.442762] ? check_preemption_disabled+0x48/0x200 [ 410.447778] ? check_preemption_disabled+0x48/0x200 [ 410.452804] ? __lock_is_held+0xb5/0x140 [ 410.456873] __alloc_pages_nodemask+0xa80/0xde0 [ 410.461542] ? graph_lock+0x170/0x170 [ 410.465346] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 410.470359] ? graph_lock+0x170/0x170 [ 410.474173] ? find_held_lock+0x36/0x1c0 [ 410.478247] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.482915] ? lock_downgrade+0x900/0x900 [ 410.487070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.492619] cache_grow_begin+0x91/0x8c0 [ 410.496685] ? do_raw_spin_unlock+0xa7/0x2f0 [ 410.501102] fallback_alloc+0x203/0x2e0 [ 410.505090] ____cache_alloc_node+0x1c7/0x1e0 [ 410.509599] kmem_cache_alloc_node+0xe3/0x730 [ 410.514100] ? ipv6_get_ifaddr+0x42e/0x620 [ 410.518349] __alloc_skb+0x119/0x770 [ 410.522067] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.527351] ? skb_scrub_packet+0x490/0x490 [ 410.531669] ? lock_downgrade+0x900/0x900 [ 410.535825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.541366] ? refcount_sub_and_test_checked+0x203/0x310 [ 410.546826] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 410.552281] ? addrconf_rs_timer+0x6f0/0x6f0 [ 410.556704] ndisc_alloc_skb+0x144/0x340 [ 410.560770] ndisc_send_rs+0x331/0x6e0 [ 410.564663] addrconf_rs_timer+0x3c0/0x6f0 [ 410.568908] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.573163] call_timer_fn+0x272/0x920 [ 410.577052] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.581291] ? process_timeout+0x40/0x40 [ 410.585351] ? find_held_lock+0x36/0x1c0 [ 410.589421] ? mark_held_locks+0xc7/0x130 [ 410.593576] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.598075] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.602572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.606815] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 410.611408] ? trace_hardirqs_on+0xbd/0x310 [ 410.615727] ? kasan_check_read+0x11/0x20 [ 410.619877] ? __run_timers+0x7da/0xc70 [ 410.623852] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.629310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.633550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.637793] __run_timers+0x7e5/0xc70 [ 410.641697] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 410.647062] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.652343] ? rcu_bh_qs+0xc0/0xc0 [ 410.655889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.661434] ? mark_held_locks+0xc7/0x130 [ 410.665597] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 410.670365] ? retint_kernel+0x2d/0x2d [ 410.674253] ? trace_hardirqs_on_caller+0xc0/0x300 [ 410.679187] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 410.683947] ? trace_hardirqs_off_caller+0x300/0x300 [ 410.689053] ? check_preemption_disabled+0x48/0x200 [ 410.694071] ? graph_lock+0x170/0x170 [ 410.697878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.703417] ? check_preemption_disabled+0x48/0x200 [ 410.708451] ? __lock_is_held+0xb5/0x140 [ 410.712516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.718053] ? check_preemption_disabled+0x48/0x200 [ 410.723078] run_timer_softirq+0x52/0xb0 [ 410.727145] ? rcu_read_lock_sched_held+0x108/0x120 [ 410.732170] __do_softirq+0x30b/0xad8 [ 410.735986] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 410.741106] ? pvclock_read_flags+0x160/0x160 [ 410.745607] ? lapic_next_event+0x5a/0x90 [ 410.749755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.755294] ? check_preemption_disabled+0x48/0x200 [ 410.760310] ? check_preemption_disabled+0x48/0x200 [ 410.765337] ? kvm_clock_read+0x18/0x30 [ 410.769326] ? kvm_sched_clock_read+0x9/0x20 [ 410.773736] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.779273] ? check_preemption_disabled+0x48/0x200 [ 410.784304] irq_exit+0x17f/0x1c0 [ 410.787761] smp_apic_timer_interrupt+0x1cb/0x760 [ 410.792613] ? smp_call_function_single_interrupt+0x650/0x650 [ 410.798502] ? interrupt_entry+0xb5/0xf0 [ 410.802573] ? trace_hardirqs_off_caller+0xbb/0x300 [ 410.807603] ? trace_hardirqs_off_caller+0xbb/0x300 [ 410.812621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.817465] ? trace_hardirqs_off+0x300/0x300 [ 410.821958] ? trace_hardirqs_off+0x300/0x300 [ 410.826463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.832011] ? check_preemption_disabled+0x48/0x200 [ 410.837031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.842586] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.847443] apic_timer_interrupt+0xf/0x20 [ 410.851671] [ 410.853917] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 410.859206] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 410.878127] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 410.885864] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 410.893168] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 410.900474] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 410.907761] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 410.915044] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 410.922357] ? arch_local_irq_restore+0x45/0x52 [ 410.927055] dump_stack+0x26a/0x2b4 [ 410.930691] ? dump_stack_print_info.cold.2+0x52/0x52 [ 410.935893] ? mark_held_locks+0x130/0x130 [ 410.940127] ? mark_held_locks+0x130/0x130 [ 410.944370] dump_header+0x27b/0xf72 [ 410.948103] ? pagefault_out_of_memory+0x197/0x197 [ 410.953046] ? mark_held_locks+0x130/0x130 [ 410.957284] ? __lock_acquire+0x7ec/0x4ec0 [ 410.961523] ? mem_cgroup_charge_statistics+0x780/0x780 [ 410.966892] ? print_usage_bug+0xc0/0xc0 [ 410.970956] ? print_usage_bug+0xc0/0xc0 [ 410.975035] ? graph_lock+0x170/0x170 [ 410.978838] ? graph_lock+0x170/0x170 [ 410.982640] ? print_usage_bug+0xc0/0xc0 [ 410.986719] ? print_usage_bug+0xc0/0xc0 [ 410.990794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.996343] ? find_held_lock+0x36/0x1c0 [ 411.000418] ? mark_held_locks+0xc7/0x130 [ 411.004573] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.009682] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.014787] ? lockdep_hardirqs_on+0x421/0x5c0 [ 411.019372] ? trace_hardirqs_on+0xbd/0x310 [ 411.023698] ? kasan_check_read+0x11/0x20 [ 411.027849] ? ___ratelimit+0x36f/0x655 [ 411.031830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.037290] ? trace_hardirqs_on+0x310/0x310 [ 411.041704] ? lock_downgrade+0x900/0x900 [ 411.045862] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.050968] ? ___ratelimit+0xaa/0x655 [ 411.054869] ? idr_get_free+0xec0/0xec0 [ 411.058847] ? kasan_check_write+0x14/0x20 [ 411.063086] ? do_raw_spin_lock+0xc1/0x200 [ 411.067334] oom_kill_process.cold.27+0x10/0x903 [ 411.072096] ? graph_lock+0x170/0x170 [ 411.075899] ? _raw_spin_unlock+0x2c/0x50 [ 411.080058] ? oom_badness+0xe6/0xaa0 [ 411.083877] ? oom_evaluate_task+0x540/0x540 [ 411.088310] ? find_held_lock+0x36/0x1c0 [ 411.092387] ? out_of_memory+0x974/0x14c0 [ 411.096543] ? lock_downgrade+0x900/0x900 [ 411.100702] ? check_preemption_disabled+0x48/0x200 [ 411.105732] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 411.111528] ? kasan_check_read+0x11/0x20 [ 411.115678] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 411.120956] ? rcu_bh_qs+0xc0/0xc0 [ 411.124506] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 411.129526] ? oom_evaluate_task+0x302/0x540 [ 411.133959] out_of_memory+0xa86/0x14c0 [ 411.137952] ? oom_killer_disable+0x3a0/0x3a0 [ 411.142449] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 411.147383] ? __mutex_add_waiter+0x2a0/0x2a0 [ 411.151895] __alloc_pages_slowpath+0x2318/0x2d80 [ 411.156770] ? warn_alloc+0x120/0x120 [ 411.160593] ? find_get_entry+0x2f2/0xc40 [ 411.164761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.170300] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 411.175236] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.180779] ? should_fail+0x22d/0xd01 [ 411.184687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.189795] ? __lock_is_held+0xb5/0x140 [ 411.193899] ? __lock_is_held+0xb5/0x140 [ 411.197972] ? find_held_lock+0x36/0x1c0 [ 411.202047] ? ___might_sleep+0x1ed/0x300 [ 411.206211] ? lock_release+0x970/0x970 [ 411.210192] ? arch_local_save_flags+0x40/0x40 [ 411.214788] ? __might_sleep+0x95/0x190 [ 411.218769] __alloc_pages_nodemask+0xa80/0xde0 [ 411.223449] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 411.228469] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 411.234268] ? kasan_check_read+0x11/0x20 [ 411.238421] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 411.243707] ? graph_lock+0x170/0x170 [ 411.247511] ? print_usage_bug+0xc0/0xc0 [ 411.251576] ? graph_lock+0x170/0x170 [ 411.255382] ? graph_lock+0x170/0x170 [ 411.259183] ? __do_page_cache_readahead+0x7ce/0x980 [ 411.264293] ? find_held_lock+0x36/0x1c0 [ 411.268362] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 411.273906] alloc_pages_current+0x10c/0x210 [ 411.278315] ? lock_downgrade+0x900/0x900 [ 411.282471] __page_cache_alloc+0x38f/0x5b0 [ 411.286795] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 411.292596] ? kasan_check_read+0x11/0x20 [ 411.296746] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 411.302029] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 411.306720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.312262] ? check_preemption_disabled+0x48/0x200 [ 411.317290] filemap_fault+0x1594/0x25f0 [ 411.321367] ? __lock_page_or_retry+0xa00/0xa00 [ 411.326044] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 411.331857] ? kasan_check_read+0x11/0x20 [ 411.336017] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 411.341298] ? rcu_bh_qs+0xc0/0xc0 [ 411.344871] ? filemap_map_pages+0xdea/0x1980 [ 411.349377] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.354488] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 411.359760] ? debug_object_free+0x325/0x690 [ 411.364172] ? find_get_pages_range_tag+0x1320/0x1320 [ 411.369372] ? graph_lock+0x170/0x170 [ 411.373182] ? kasan_check_read+0x11/0x20 [ 411.377334] ? debug_object_destroy+0x2b0/0x2b0 [ 411.382024] ? lock_acquire+0x1ed/0x520 [ 411.386011] ? ext4_filemap_fault+0x7a/0xad [ 411.390341] ? lock_release+0x970/0x970 [ 411.394320] ? arch_local_save_flags+0x40/0x40 [ 411.398911] ? futex_wait_setup+0x3e0/0x3e0 [ 411.403338] ? down_read+0xb0/0x1d0 [ 411.407005] ? ext4_filemap_fault+0x7a/0xad [ 411.411332] ? __down_interruptible+0x700/0x700 [ 411.416027] ext4_filemap_fault+0x82/0xad [ 411.420201] __do_fault+0x100/0x6b0 [ 411.423850] ? print_bad_pte+0x6c0/0x6c0 [ 411.427917] ? do_futex+0x249/0x26d0 [ 411.431634] ? kasan_check_read+0x11/0x20 [ 411.435795] ? pmd_val+0x88/0x100 [ 411.439252] ? add_mm_counter_fast+0xd0/0xd0 [ 411.443659] ? pmd_val+0x88/0x100 [ 411.447115] ? add_mm_counter_fast+0xd0/0xd0 [ 411.451530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.457074] __handle_mm_fault+0x3709/0x53e0 [ 411.461487] ? perf_trace_lock+0x14d/0x7a0 [ 411.465733] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 411.470596] ? graph_lock+0x170/0x170 [ 411.474400] ? print_usage_bug+0xc0/0xc0 [ 411.478469] ? graph_lock+0x170/0x170 [ 411.482284] ? graph_lock+0x170/0x170 [ 411.486107] ? handle_mm_fault+0x42a/0xc70 [ 411.490343] ? lock_downgrade+0x900/0x900 [ 411.494491] ? check_preemption_disabled+0x48/0x200 [ 411.499514] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 411.505314] ? kasan_check_read+0x11/0x20 [ 411.509465] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 411.514746] ? rcu_bh_qs+0xc0/0xc0 [ 411.518287] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.523741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.529276] ? check_preemption_disabled+0x48/0x200 [ 411.534301] handle_mm_fault+0x54f/0xc70 [ 411.538372] ? __handle_mm_fault+0x53e0/0x53e0 [ 411.542976] ? find_vma+0x34/0x190 [ 411.546535] __do_page_fault+0x67d/0xed0 [ 411.550612] ? mm_fault_error+0x380/0x380 [ 411.554763] ? trace_hardirqs_off+0xb8/0x300 [ 411.559172] ? trace_hardirqs_on+0x310/0x310 [ 411.563591] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.568954] ? trace_hardirqs_on+0x310/0x310 [ 411.573369] do_page_fault+0xf2/0x7e0 [ 411.577174] ? vmalloc_sync_all+0x30/0x30 [ 411.581326] ? error_entry+0x70/0xd0 [ 411.585038] ? trace_hardirqs_off_caller+0xbb/0x300 [ 411.590052] ? trace_hardirqs_on_caller+0xc0/0x300 [ 411.594985] ? syscall_return_slowpath+0x5e0/0x5e0 [ 411.599927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.604769] ? trace_hardirqs_off+0x300/0x300 [ 411.609262] ? trace_hardirqs_off_caller+0x300/0x300 [ 411.614372] ? prepare_exit_to_usermode+0x291/0x3b0 [ 411.619389] ? page_fault+0x8/0x30 [ 411.622938] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.627784] ? page_fault+0x8/0x30 [ 411.631330] page_fault+0x1e/0x30 [ 411.634785] RIP: 0033:0x45ddf3 [ 411.637982] Code: Bad RIP value. [ 411.641354] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 411.646718] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 411.653986] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 411.661262] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 411.668527] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 411.675790] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 411.683097] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 411.683102] warn_alloc_show_mem: 1 callbacks suppressed [ 411.683110] Mem-Info: [ 411.690402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.695771] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 411.695771] active_file:16 inactive_file:17 isolated_file:0 [ 411.695771] unevictable:0 dirty:0 writeback:0 unstable:0 [ 411.695771] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 411.695771] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 411.695771] free:13771 free_pcp:233 free_cma:0 [ 411.698138] Call Trace: [ 411.707565] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 411.740404] [ 411.742976] Node 0 [ 411.770662] dump_stack+0x1c4/0x2b4 [ 411.772810] 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 [ 411.775047] ? dump_stack_print_info.cold.2+0x52/0x52 [ 411.778648] lowmem_reserve[]: [ 411.804154] warn_alloc.cold.118+0xb7/0x1bd [ 411.809305] 0 [ 411.812404] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 411.816713] 2815 [ 411.818513] ? lock_downgrade+0x900/0x900 [ 411.823324] 6318 [ 411.825384] ? trace_hardirqs_off+0xb8/0x300 [ 411.829502] 6318 [ 411.831566] ? trace_hardirqs_off+0xb8/0x300 [ 411.838013] __alloc_pages_slowpath+0x2667/0x2d80 [ 411.842389] Node 0 DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 411.847253] ? warn_alloc+0x120/0x120 [ 411.847270] ? trace_hardirqs_on+0x310/0x310 [ 411.874568] lowmem_reserve[]: [ 411.878363] ? warn_alloc+0x120/0x120 [ 411.882742] 0 [ 411.885842] ? print_usage_bug+0xc0/0xc0 [ 411.889616] 0 [ 411.891410] ? warn_alloc+0x120/0x120 [ 411.895444] 3503 [ 411.897241] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 411.901017] 3503 [ 411.903075] ? print_usage_bug+0xc0/0xc0 [ 411.910123] ? __lock_acquire+0x7ec/0x4ec0 [ 411.914161] Node 0 [ 411.918382] ? __lock_acquire+0x7ec/0x4ec0 [ 411.918417] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 411.920621] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.924829] lowmem_reserve[]: [ 411.953386] ? should_fail+0x22d/0xd01 [ 411.958898] 0 [ 411.962004] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.965866] 0 [ 411.967663] ? __lock_acquire+0x7ec/0x4ec0 [ 411.972736] 0 [ 411.974531] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.978736] 0 [ 411.980534] ? __lock_acquire+0x7ec/0x4ec0 [ 411.987405] ? should_fail+0x22d/0xd01 [ 411.991613] Node 0 [ 411.995488] ? print_usage_bug+0xc0/0xc0 [ 411.995498] DMA: [ 411.997734] ? mark_held_locks+0x130/0x130 [ 412.001766] 1*4kB [ 412.003820] ? mark_held_locks+0x130/0x130 [ 412.008028] (U) [ 412.010179] ? graph_lock+0x170/0x170 [ 412.014387] 0*8kB [ 412.016353] ? print_usage_bug+0xc0/0xc0 [ 412.020331] 0*16kB 1*32kB [ 412.022489] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 412.026520] (U) [ 412.029359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.034094] 2*64kB [ 412.036061] ? check_preemption_disabled+0x48/0x200 [ 412.041572] (U) [ 412.043803] ? check_preemption_disabled+0x48/0x200 [ 412.048811] 1*128kB [ 412.050786] ? __lock_is_held+0xb5/0x140 [ 412.055769] (U) [ 412.058094] __alloc_pages_nodemask+0xa80/0xde0 [ 412.062122] 1*256kB [ 412.064096] ? graph_lock+0x170/0x170 [ 412.068734] (U) [ 412.071052] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 412.074828] 0*512kB [ 412.076794] ? graph_lock+0x170/0x170 [ 412.081785] 1*1024kB [ 412.084113] ? find_held_lock+0x36/0x1c0 [ 412.087878] (U) [ 412.090292] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.094323] 1*2048kB [ 412.096304] ? lock_downgrade+0x900/0x900 [ 412.100947] (M) [ 412.103359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.107473] 3*4096kB [ 412.109447] cache_grow_begin+0x91/0x8c0 [ 412.114951] (M) = 15908kB [ 412.117372] ? do_raw_spin_unlock+0xa7/0x2f0 [ 412.121410] Node 0 [ 412.124169] fallback_alloc+0x203/0x2e0 [ 412.128545] DMA32: [ 412.130781] ____cache_alloc_node+0x1c7/0x1e0 [ 412.134722] 3*4kB [ 412.136954] kmem_cache_alloc_node+0xe3/0x730 [ 412.141418] (M) [ 412.143565] ? ipv6_get_ifaddr+0x42e/0x620 [ 412.148033] 2*8kB [ 412.150246] __alloc_skb+0x119/0x770 [ 412.154451] (M) [ 412.156605] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 412.160290] 2*16kB [ 412.162263] ? skb_scrub_packet+0x490/0x490 [ 412.167513] (UM) [ 412.169749] ? lock_downgrade+0x900/0x900 [ 412.174043] 1*32kB [ 412.176109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.180220] (M) [ 412.182460] ? refcount_sub_and_test_checked+0x203/0x310 [ 412.187966] 3*64kB [ 412.189950] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 412.195371] (UM) [ 412.197606] ? addrconf_rs_timer+0x6f0/0x6f0 [ 412.203029] 3*128kB [ 412.205104] ndisc_alloc_skb+0x144/0x340 [ 412.209468] (M) [ 412.211788] ndisc_send_rs+0x331/0x6e0 [ 412.215819] 2*256kB [ 412.217790] addrconf_rs_timer+0x3c0/0x6f0 [ 412.221649] (M) [ 412.223987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.228204] 3*512kB [ 412.230183] call_timer_fn+0x272/0x920 [ 412.234415] (M) [ 412.236731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.240597] 4*1024kB [ 412.242570] ? process_timeout+0x40/0x40 [ 412.246780] (UM) [ 412.249187] ? find_held_lock+0x36/0x1c0 [ 412.253219] 3*2048kB [ 412.255279] ? __run_timers+0x7da/0xc70 [ 412.259306] (M) [ 412.261711] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.265660] 3*4096kB [ 412.267646] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.272116] (M) [ 412.274538] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.279021] = 25244kB [ 412.281001] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 412.285209] Node 0 [ 412.287613] ? trace_hardirqs_on+0xbd/0x310 [ 412.292183] Normal: [ 412.294414] ? kasan_check_read+0x11/0x20 [ 412.298709] 1139*4kB [ 412.301027] ? __run_timers+0x7da/0xc70 [ 412.305148] (MEH) [ 412.307556] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.311498] 438*8kB (UME) [ 412.313677] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.319096] 175*16kB [ 412.321941] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.326148] (UME) [ 412.328558] __run_timers+0x7e5/0xc70 [ 412.332764] 64*32kB [ 412.334916] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 412.338678] (UMEH) [ 412.341009] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 412.346345] 14*64kB [ 412.348584] ? graph_lock+0x170/0x170 [ 412.353566] (UM) 1*128kB [ 412.355899] ? enqueue_hrtimer+0x1a5/0x560 [ 412.359667] (H) [ 412.362425] ? lock_release+0x970/0x970 [ 412.366625] 0*256kB 0*512kB [ 412.368606] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 412.372549] 0*1024kB 0*2048kB [ 412.375574] ? find_held_lock+0x36/0x1c0 [ 412.380737] 0*4096kB [ 412.383924] ? graph_lock+0x170/0x170 [ 412.387959] = 13932kB [ 412.390361] ? pvclock_read_flags+0x160/0x160 [ 412.394146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 412.396544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.401025] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 412.409847] ? check_preemption_disabled+0x48/0x200 [ 412.415376] 788 total pagecache pages [ 412.424403] ? __lock_is_held+0xb5/0x140 [ 412.429397] 0 pages in swap cache [ 412.433202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.437236] Swap cache stats: add 0, delete 0, find 0/0 [ 412.440682] ? check_preemption_disabled+0x48/0x200 [ 412.446190] Free swap = 0kB [ 412.451559] run_timer_softirq+0x52/0xb0 [ 412.456555] Total swap = 0kB [ 412.456564] 1965979 pages RAM [ 412.459577] ? rcu_read_lock_sched_held+0x108/0x120 [ 412.463615] 0 pages HighMem/MovableOnly [ 412.466629] __do_softirq+0x30b/0xad8 [ 412.469701] 343323 pages reserved [ 412.469710] 0 pages cma reserved [ 412.474743] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 412.478789] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 412.482490] ? pvclock_read_flags+0x160/0x160 [ 412.486084] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.489300] ? lapic_next_event+0x5a/0x90 [ 412.494384] syz-fuzzer cpuset= [ 412.500893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.505366] / [ 412.515617] ? check_preemption_disabled+0x48/0x200 [ 412.519751] mems_allowed=0 [ 412.522940] ? check_preemption_disabled+0x48/0x200 [ 412.543120] ? kvm_clock_read+0x18/0x30 [ 412.547111] ? kvm_sched_clock_read+0x9/0x20 [ 412.551533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.557075] ? check_preemption_disabled+0x48/0x200 [ 412.562118] irq_exit+0x17f/0x1c0 [ 412.565582] smp_apic_timer_interrupt+0x1cb/0x760 [ 412.570430] ? smp_reschedule_interrupt+0x109/0x650 [ 412.575451] ? smp_call_function_single_interrupt+0x650/0x650 [ 412.581338] ? interrupt_entry+0xb5/0xf0 [ 412.585407] ? trace_hardirqs_off_caller+0xbb/0x300 [ 412.590425] ? trace_hardirqs_off_caller+0xbb/0x300 [ 412.595446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.600301] ? trace_hardirqs_off+0x300/0x300 [ 412.604798] ? trace_hardirqs_off+0x300/0x300 [ 412.609298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.614842] ? check_preemption_disabled+0x48/0x200 [ 412.619866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.625422] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.630281] apic_timer_interrupt+0xf/0x20 [ 412.634510] [ 412.636750] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 412.641685] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 412.660599] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 412.668325] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 412.675601] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 412.682873] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 412.690148] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 412.697424] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 412.704764] skb_clone+0x1bb/0x500 [ 412.708323] ? finish_task_switch+0x2f5/0x900 [ 412.712828] ? skb_split+0x11e0/0x11e0 [ 412.716728] ? preempt_notifier_register+0x200/0x200 [ 412.721839] ? __switch_to_asm+0x34/0x70 [ 412.725905] ? __switch_to_asm+0x34/0x70 [ 412.729965] ? __switch_to_asm+0x40/0x70 [ 412.734031] ? __switch_to_asm+0x34/0x70 [ 412.738096] ? __switch_to_asm+0x40/0x70 [ 412.742156] ? __switch_to_asm+0x34/0x70 [ 412.746217] ? __switch_to_asm+0x40/0x70 [ 412.750278] ? __switch_to_asm+0x34/0x70 [ 412.754343] ? __switch_to_asm+0x34/0x70 [ 412.758403] ? __switch_to_asm+0x40/0x70 [ 412.762460] ? __switch_to_asm+0x34/0x70 [ 412.766534] bpf_clone_redirect+0xb9/0x490 [ 412.770777] ? __schedule+0x874/0x1ed0 [ 412.774677] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 412.779698] ? __sched_text_start+0x8/0x8 [ 412.783851] ? retint_kernel+0x2d/0x2d [ 412.787748] ? find_held_lock+0x36/0x1c0 [ 412.791817] ? lock_acquire+0x1ed/0x520 [ 412.795793] ? bpf_test_run+0x32e/0x5a0 [ 412.799768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.805306] ? check_preemption_disabled+0x48/0x200 [ 412.810329] ? kasan_check_read+0x11/0x20 [ 412.814485] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 412.819765] ? rcu_bh_qs+0xc0/0xc0 [ 412.823308] ? preempt_schedule+0x4d/0x60 [ 412.827458] ? ___preempt_schedule+0x16/0x18 [ 412.831880] ? bpf_test_run+0x1c0/0x5a0 [ 412.835866] ? netlink_diag_dump+0x2a0/0x2a0 [ 412.840283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.845819] ? bpf_test_init.isra.9+0x70/0x100 [ 412.850407] ? bpf_prog_test_run_skb+0x634/0xb40 [ 412.855172] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 412.860021] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 412.865578] ? fput+0x130/0x1a0 [ 412.868864] ? __bpf_prog_get+0x9b/0x290 [ 412.872926] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 412.877768] ? bpf_prog_test_run+0x130/0x1a0 [ 412.882185] ? __x64_sys_bpf+0x3d8/0x510 [ 412.886249] ? bpf_prog_get+0x20/0x20 [ 412.890062] ? ksys_ioctl+0x81/0xd0 [ 412.893706] ? do_syscall_64+0x1b9/0x820 [ 412.897773] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 412.903142] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.908075] ? trace_hardirqs_off+0x300/0x300 [ 412.912579] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 412.917596] ? recalc_sigpending_tsk+0x180/0x180 [ 412.922356] ? kasan_check_write+0x14/0x20 [ 412.926600] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.931454] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 412.936840] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 412.936933] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 412.943766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.943772] Call Trace: [ 412.943780] [ 412.943797] dump_stack+0x1c4/0x2b4 [ 412.943812] ? dump_stack_print_info.cold.2+0x52/0x52 [ 412.943841] warn_alloc.cold.118+0xb7/0x1bd [ 412.950398] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.959663] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.962222] syz-executor6 cpuset= [ 412.964368] ? lock_downgrade+0x900/0x900 [ 412.967968] syz6 [ 412.973162] ? trace_hardirqs_off+0xb8/0x300 [ 412.977455] mems_allowed=0 [ 412.987935] ? trace_hardirqs_off+0xb8/0x300 [ 413.014053] __alloc_pages_slowpath+0x2667/0x2d80 [ 413.018932] ? warn_alloc+0x120/0x120 [ 413.022739] ? trace_hardirqs_on+0x310/0x310 [ 413.027150] ? warn_alloc+0x120/0x120 [ 413.030955] ? print_usage_bug+0xc0/0xc0 [ 413.035029] ? warn_alloc+0x120/0x120 [ 413.038838] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.043855] ? print_usage_bug+0xc0/0xc0 [ 413.047927] ? __lock_acquire+0x7ec/0x4ec0 [ 413.052163] ? __lock_acquire+0x7ec/0x4ec0 [ 413.056404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.061947] ? should_fail+0x22d/0xd01 [ 413.065842] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.070944] ? __lock_acquire+0x7ec/0x4ec0 [ 413.075186] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.080287] ? __lock_acquire+0x7ec/0x4ec0 [ 413.084519] ? should_fail+0x22d/0xd01 [ 413.088404] ? print_usage_bug+0xc0/0xc0 [ 413.092477] ? mark_held_locks+0x130/0x130 [ 413.096716] ? mark_held_locks+0x130/0x130 [ 413.100961] ? graph_lock+0x170/0x170 [ 413.104768] ? print_usage_bug+0xc0/0xc0 [ 413.108834] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.113599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.119141] ? check_preemption_disabled+0x48/0x200 [ 413.124158] ? check_preemption_disabled+0x48/0x200 [ 413.129196] ? __lock_is_held+0xb5/0x140 [ 413.133272] __alloc_pages_nodemask+0xa80/0xde0 [ 413.137965] ? graph_lock+0x170/0x170 [ 413.141780] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 413.146795] ? graph_lock+0x170/0x170 [ 413.150616] ? find_held_lock+0x36/0x1c0 [ 413.154688] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.159361] ? lock_downgrade+0x900/0x900 [ 413.163525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.169074] cache_grow_begin+0x91/0x8c0 [ 413.173143] ? do_raw_spin_unlock+0xa7/0x2f0 [ 413.177562] fallback_alloc+0x203/0x2e0 [ 413.181576] ____cache_alloc_node+0x1c7/0x1e0 [ 413.186084] kmem_cache_alloc_node+0xe3/0x730 [ 413.190593] ? ipv6_get_ifaddr+0x42e/0x620 [ 413.194856] __alloc_skb+0x119/0x770 [ 413.198575] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.203952] ? skb_scrub_packet+0x490/0x490 [ 413.208278] ? lock_downgrade+0x900/0x900 [ 413.212438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.217981] ? refcount_sub_and_test_checked+0x203/0x310 [ 413.223447] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 413.228904] ? addrconf_rs_timer+0x6f0/0x6f0 [ 413.233333] ndisc_alloc_skb+0x144/0x340 [ 413.237403] ndisc_send_rs+0x331/0x6e0 [ 413.241298] addrconf_rs_timer+0x3c0/0x6f0 [ 413.245542] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.249797] call_timer_fn+0x272/0x920 [ 413.253690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.257934] ? process_timeout+0x40/0x40 [ 413.262007] ? find_held_lock+0x36/0x1c0 [ 413.266083] ? mark_held_locks+0xc7/0x130 [ 413.270237] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.274733] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.279230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.283469] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 413.288059] ? trace_hardirqs_on+0xbd/0x310 [ 413.292382] ? kasan_check_read+0x11/0x20 [ 413.296536] ? __run_timers+0x7da/0xc70 [ 413.300516] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 413.305979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.310233] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.314472] __run_timers+0x7e5/0xc70 [ 413.318291] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 413.323657] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.328936] ? rcu_bh_qs+0xc0/0xc0 [ 413.332484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.338033] ? mark_held_locks+0xc7/0x130 [ 413.342189] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.346957] ? retint_kernel+0x2d/0x2d [ 413.350850] ? trace_hardirqs_on_caller+0xc0/0x300 [ 413.355784] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.360543] ? trace_hardirqs_off_caller+0x300/0x300 [ 413.365646] ? check_preemption_disabled+0x48/0x200 [ 413.370664] ? graph_lock+0x170/0x170 [ 413.374468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.380013] ? check_preemption_disabled+0x48/0x200 [ 413.385045] ? __lock_is_held+0xb5/0x140 [ 413.389116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.394655] ? check_preemption_disabled+0x48/0x200 [ 413.399696] run_timer_softirq+0x52/0xb0 [ 413.403764] ? rcu_read_lock_sched_held+0x108/0x120 [ 413.408785] __do_softirq+0x30b/0xad8 [ 413.412602] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 413.417713] ? pvclock_read_flags+0x160/0x160 [ 413.422214] ? lapic_next_event+0x5a/0x90 [ 413.426363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.431899] ? check_preemption_disabled+0x48/0x200 [ 413.436914] ? check_preemption_disabled+0x48/0x200 [ 413.441943] ? kvm_clock_read+0x18/0x30 [ 413.445921] ? kvm_sched_clock_read+0x9/0x20 [ 413.450339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.455895] ? check_preemption_disabled+0x48/0x200 [ 413.460928] irq_exit+0x17f/0x1c0 [ 413.464393] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.469246] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.475133] ? interrupt_entry+0xb5/0xf0 [ 413.479203] ? trace_hardirqs_off_caller+0xbb/0x300 [ 413.484222] ? trace_hardirqs_off_caller+0xbb/0x300 [ 413.489243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.494089] ? trace_hardirqs_off+0x300/0x300 [ 413.498591] ? trace_hardirqs_off+0x300/0x300 [ 413.503094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.508681] ? check_preemption_disabled+0x48/0x200 [ 413.513702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.519249] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.524104] apic_timer_interrupt+0xf/0x20 [ 413.528343] [ 413.530587] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 413.535864] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 413.554784] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 413.562501] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 413.569775] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 413.577049] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 413.584323] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 413.591600] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 413.598904] ? arch_local_irq_restore+0x45/0x52 [ 413.603601] dump_stack+0x26a/0x2b4 [ 413.607237] ? dump_stack_print_info.cold.2+0x52/0x52 [ 413.612438] ? mark_held_locks+0x130/0x130 [ 413.616672] ? mark_held_locks+0x130/0x130 [ 413.620915] dump_header+0x27b/0xf72 [ 413.624646] ? pagefault_out_of_memory+0x197/0x197 [ 413.629593] ? mark_held_locks+0x130/0x130 [ 413.633831] ? __lock_acquire+0x7ec/0x4ec0 [ 413.638072] ? mem_cgroup_charge_statistics+0x780/0x780 [ 413.643435] ? print_usage_bug+0xc0/0xc0 [ 413.647499] ? print_usage_bug+0xc0/0xc0 [ 413.651570] ? graph_lock+0x170/0x170 [ 413.655376] ? graph_lock+0x170/0x170 [ 413.659176] ? print_usage_bug+0xc0/0xc0 [ 413.663236] ? print_usage_bug+0xc0/0xc0 [ 413.667309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.672854] ? find_held_lock+0x36/0x1c0 [ 413.676927] ? mark_held_locks+0xc7/0x130 [ 413.681091] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 413.686197] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 413.691299] ? lockdep_hardirqs_on+0x421/0x5c0 [ 413.695885] ? trace_hardirqs_on+0xbd/0x310 [ 413.700207] ? kasan_check_read+0x11/0x20 [ 413.704357] ? ___ratelimit+0x36f/0x655 [ 413.708340] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 413.713791] ? trace_hardirqs_on+0x310/0x310 [ 413.718202] ? lock_downgrade+0x900/0x900 [ 413.722376] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 413.727485] ? ___ratelimit+0xaa/0x655 [ 413.731375] ? idr_get_free+0xec0/0xec0 [ 413.735349] ? kasan_check_write+0x14/0x20 [ 413.739594] ? do_raw_spin_lock+0xc1/0x200 [ 413.743844] oom_kill_process.cold.27+0x10/0x903 [ 413.748614] ? graph_lock+0x170/0x170 [ 413.752425] ? _raw_spin_unlock+0x2c/0x50 [ 413.756578] ? oom_badness+0xe6/0xaa0 [ 413.760395] ? oom_evaluate_task+0x540/0x540 [ 413.764811] ? find_held_lock+0x36/0x1c0 [ 413.768887] ? out_of_memory+0x974/0x14c0 [ 413.773043] ? lock_downgrade+0x900/0x900 [ 413.777192] ? check_preemption_disabled+0x48/0x200 [ 413.782222] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 413.788031] ? kasan_check_read+0x11/0x20 [ 413.792185] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.797470] ? rcu_bh_qs+0xc0/0xc0 [ 413.801029] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.806051] ? oom_evaluate_task+0x302/0x540 [ 413.810475] out_of_memory+0xa86/0x14c0 [ 413.814463] ? oom_killer_disable+0x3a0/0x3a0 [ 413.818962] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 413.823904] ? __mutex_add_waiter+0x2a0/0x2a0 [ 413.828419] __alloc_pages_slowpath+0x2318/0x2d80 [ 413.833297] ? warn_alloc+0x120/0x120 [ 413.837118] ? find_get_entry+0x2f2/0xc40 [ 413.841283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.846829] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 413.851768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.857310] ? should_fail+0x22d/0xd01 [ 413.861207] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.866317] ? __lock_is_held+0xb5/0x140 [ 413.870410] ? __lock_is_held+0xb5/0x140 [ 413.874486] ? find_held_lock+0x36/0x1c0 [ 413.878559] ? ___might_sleep+0x1ed/0x300 [ 413.882714] ? lock_release+0x970/0x970 [ 413.886692] ? arch_local_save_flags+0x40/0x40 [ 413.891291] ? __might_sleep+0x95/0x190 [ 413.895277] __alloc_pages_nodemask+0xa80/0xde0 [ 413.899961] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 413.905004] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 413.910802] ? kasan_check_read+0x11/0x20 [ 413.914957] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.920239] ? graph_lock+0x170/0x170 [ 413.924066] ? print_usage_bug+0xc0/0xc0 [ 413.928139] ? graph_lock+0x170/0x170 [ 413.931939] ? graph_lock+0x170/0x170 [ 413.935746] ? __do_page_cache_readahead+0x7ce/0x980 [ 413.940861] ? find_held_lock+0x36/0x1c0 [ 413.944932] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 413.950481] alloc_pages_current+0x10c/0x210 [ 413.954912] ? lock_downgrade+0x900/0x900 [ 413.959072] __page_cache_alloc+0x38f/0x5b0 [ 413.963403] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 413.969204] ? kasan_check_read+0x11/0x20 [ 413.973365] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.978653] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 413.983330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.988870] ? check_preemption_disabled+0x48/0x200 [ 413.993906] filemap_fault+0x1594/0x25f0 [ 413.998001] ? __lock_page_or_retry+0xa00/0xa00 [ 414.002678] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 414.008484] ? kasan_check_read+0x11/0x20 [ 414.012644] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 414.018293] ? rcu_bh_qs+0xc0/0xc0 [ 414.021852] ? filemap_map_pages+0xdea/0x1980 [ 414.026361] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.031479] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 414.036806] ? debug_object_free+0x325/0x690 [ 414.041226] ? find_get_pages_range_tag+0x1320/0x1320 [ 414.046429] ? graph_lock+0x170/0x170 [ 414.050245] ? kasan_check_read+0x11/0x20 [ 414.054403] ? debug_object_destroy+0x2b0/0x2b0 [ 414.059091] ? lock_acquire+0x1ed/0x520 [ 414.063072] ? ext4_filemap_fault+0x7a/0xad [ 414.067408] ? lock_release+0x970/0x970 [ 414.071384] ? arch_local_save_flags+0x40/0x40 [ 414.075977] ? futex_wait_setup+0x3e0/0x3e0 [ 414.080321] ? down_read+0xb0/0x1d0 [ 414.083951] ? ext4_filemap_fault+0x7a/0xad [ 414.088279] ? __down_interruptible+0x700/0x700 [ 414.092988] ext4_filemap_fault+0x82/0xad [ 414.097178] __do_fault+0x100/0x6b0 [ 414.100828] ? print_bad_pte+0x6c0/0x6c0 [ 414.104908] ? do_futex+0x249/0x26d0 [ 414.108639] ? kasan_check_read+0x11/0x20 [ 414.112796] ? pmd_val+0x88/0x100 [ 414.116259] ? add_mm_counter_fast+0xd0/0xd0 [ 414.120671] ? pmd_val+0x88/0x100 [ 414.124142] ? add_mm_counter_fast+0xd0/0xd0 [ 414.128572] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.134144] __handle_mm_fault+0x3709/0x53e0 [ 414.138564] ? perf_trace_lock+0x14d/0x7a0 [ 414.142831] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 414.147691] ? graph_lock+0x170/0x170 [ 414.151968] ? print_usage_bug+0xc0/0xc0 [ 414.156053] ? graph_lock+0x170/0x170 [ 414.159856] ? graph_lock+0x170/0x170 [ 414.163684] ? handle_mm_fault+0x42a/0xc70 [ 414.167926] ? lock_downgrade+0x900/0x900 [ 414.172601] ? check_preemption_disabled+0x48/0x200 [ 414.177638] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 414.183443] ? kasan_check_read+0x11/0x20 [ 414.187609] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 414.192893] ? rcu_bh_qs+0xc0/0xc0 [ 414.196439] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.201900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.207446] ? check_preemption_disabled+0x48/0x200 [ 414.212482] handle_mm_fault+0x54f/0xc70 [ 414.216557] ? __handle_mm_fault+0x53e0/0x53e0 [ 414.221156] ? find_vma+0x34/0x190 [ 414.224706] __do_page_fault+0x67d/0xed0 [ 414.228783] ? mm_fault_error+0x380/0x380 [ 414.232940] ? trace_hardirqs_off+0xb8/0x300 [ 414.237357] ? trace_hardirqs_on+0x310/0x310 [ 414.241771] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.247146] ? trace_hardirqs_on+0x310/0x310 [ 414.251564] do_page_fault+0xf2/0x7e0 [ 414.255376] ? vmalloc_sync_all+0x30/0x30 [ 414.259535] ? error_entry+0x70/0xd0 [ 414.263263] ? trace_hardirqs_off_caller+0xbb/0x300 [ 414.268374] ? trace_hardirqs_on_caller+0xc0/0x300 [ 414.273314] ? syscall_return_slowpath+0x5e0/0x5e0 [ 414.278248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.283104] ? trace_hardirqs_off+0x300/0x300 [ 414.287609] ? trace_hardirqs_off_caller+0x300/0x300 [ 414.292726] ? prepare_exit_to_usermode+0x291/0x3b0 [ 414.297773] ? page_fault+0x8/0x30 [ 414.301320] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.306173] ? page_fault+0x8/0x30 [ 414.309715] page_fault+0x1e/0x30 [ 414.313173] RIP: 0033:0x45ddf3 [ 414.316369] Code: Bad RIP value. [ 414.319741] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 414.325129] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 414.332414] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 414.339691] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 414.347001] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 414.354282] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 414.361594] warn_alloc_show_mem: 1 callbacks suppressed [ 414.361607] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 414.361609] Mem-Info: [ 414.361641] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 414.361641] active_file:16 inactive_file:17 isolated_file:0 [ 414.361641] unevictable:0 dirty:0 writeback:0 unstable:0 [ 414.361641] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 414.361641] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 414.361641] free:13771 free_pcp:233 free_cma:0 [ 414.366984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.374273] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 414.376669] Call Trace: [ 414.409545] Node 0 [ 414.418895] [ 414.446578] 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 [ 414.449141] dump_stack+0x1c4/0x2b4 [ 414.451345] lowmem_reserve[]: [ 414.453492] ? dump_stack_print_info.cold.2+0x52/0x52 [ 414.478982] 0 [ 414.482628] warn_alloc.cold.118+0xb7/0x1bd [ 414.485696] 2815 [ 414.490881] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.492661] 6318 [ 414.496978] ? lock_downgrade+0x900/0x900 [ 414.499020] 6318 [ 414.503862] ? trace_hardirqs_off+0xb8/0x300 [ 414.510038] ? trace_hardirqs_off+0xb8/0x300 [ 414.512074] Node 0 [ 414.516483] __alloc_pages_slowpath+0x2667/0x2d80 [ 414.520884] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 414.523122] ? warn_alloc+0x120/0x120 [ 414.527910] lowmem_reserve[]: [ 414.554641] ? warn_alloc+0x120/0x120 [ 414.558411] 0 [ 414.561514] ? print_usage_bug+0xc0/0xc0 [ 414.565278] 0 3503 [ 414.567102] ? warn_alloc+0x120/0x120 [ 414.571131] 3503 [ 414.573361] ? print_usage_bug+0xc0/0xc0 [ 414.579192] ? __lock_acquire+0x7ec/0x4ec0 [ 414.583247] Node 0 [ 414.587469] ? __lock_acquire+0x7ec/0x4ec0 [ 414.587505] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 414.589711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.593920] lowmem_reserve[]: [ 414.622302] ? should_fail+0x22d/0xd01 [ 414.627815] 0 [ 414.630914] ? __lock_acquire+0x7ec/0x4ec0 [ 414.634769] 0 0 [ 414.636578] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.640788] 0 [ 414.642760] ? __lock_acquire+0x7ec/0x4ec0 [ 414.649632] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.653841] Node 0 [ 414.658931] ? __lock_acquire+0x7ec/0x4ec0 [ 414.658941] DMA: [ 414.661173] ? should_fail+0x22d/0xd01 [ 414.665382] 1*4kB [ 414.667446] ? mark_held_locks+0x130/0x130 [ 414.671306] (U) [ 414.673449] ? mark_held_locks+0x130/0x130 [ 414.677657] 0*8kB [ 414.679629] ? graph_lock+0x170/0x170 [ 414.683834] 0*16kB [ 414.685976] ? print_usage_bug+0xc0/0xc0 [ 414.689752] 1*32kB [ 414.691985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.696024] (U) [ 414.698253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.703765] 2*64kB [ 414.705734] ? check_preemption_disabled+0x48/0x200 [ 414.711246] (U) [ 414.713478] ? check_preemption_disabled+0x48/0x200 [ 414.718472] 1*128kB [ 414.720446] ? __lock_is_held+0xb5/0x140 [ 414.725447] (U) [ 414.727771] __alloc_pages_nodemask+0xa80/0xde0 [ 414.731802] 1*256kB [ 414.733770] ? graph_lock+0x170/0x170 [ 414.738412] (U) [ 414.740731] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 414.744520] 0*512kB [ 414.746492] ? graph_lock+0x170/0x170 [ 414.751482] 1*1024kB [ 414.753803] ? find_held_lock+0x36/0x1c0 [ 414.757572] (U) [ 414.759983] ? ____cache_alloc_node+0x1c7/0x1e0 [ 414.764018] 1*2048kB [ 414.765986] ? lock_downgrade+0x900/0x900 [ 414.770639] (M) [ 414.773048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.777164] 3*4096kB [ 414.779140] cache_grow_begin+0x91/0x8c0 [ 414.784645] (M) [ 414.787049] ? do_raw_spin_unlock+0xa7/0x2f0 [ 414.791082] = 15908kB [ 414.791088] Node 0 DMA32: [ 414.793069] fallback_alloc+0x203/0x2e0 [ 414.797449] 3*4kB [ 414.799854] ____cache_alloc_node+0x1c7/0x1e0 [ 414.802671] (M) [ 414.806641] kmem_cache_alloc_node+0xe3/0x730 [ 414.808766] 2*8kB [ 414.813256] ? ipv6_get_ifaddr+0x42e/0x620 [ 414.815204] (M) [ 414.819699] __alloc_skb+0x119/0x770 [ 414.821817] 2*16kB [ 414.826052] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 414.828003] (UM) [ 414.831711] ? skb_scrub_packet+0x490/0x490 [ 414.833926] 1*32kB [ 414.839197] ? lock_downgrade+0x900/0x900 [ 414.841236] (M) [ 414.845580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.847787] 3*64kB (UM) [ 414.851941] ? refcount_sub_and_test_checked+0x203/0x310 [ 414.853891] 3*128kB [ 414.859428] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 414.862073] (M) [ 414.867526] ? addrconf_rs_timer+0x6f0/0x6f0 [ 414.869817] 2*256kB (M) [ 414.875279] ndisc_alloc_skb+0x144/0x340 [ 414.877221] 3*512kB [ 414.881622] ndisc_send_rs+0x331/0x6e0 [ 414.884266] (M) [ 414.888325] addrconf_rs_timer+0x3c0/0x6f0 [ 414.890622] 4*1024kB [ 414.894506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.896456] (UM) [ 414.900693] call_timer_fn+0x272/0x920 [ 414.903070] 3*2048kB [ 414.907302] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.909339] (M) [ 414.913219] ? process_timeout+0x40/0x40 [ 414.915607] 3*4096kB [ 414.919832] ? find_held_lock+0x36/0x1c0 [ 414.921789] (M) [ 414.925847] ? __run_timers+0x7da/0xc70 [ 414.928228] = 25244kB [ 414.932281] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.934231] Node 0 [ 414.938195] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.940590] Normal: [ 414.945073] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.947288] 1139*4kB [ 414.951793] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 414.954095] (MEH) [ 414.958326] ? trace_hardirqs_on+0xbd/0x310 [ 414.960706] 438*8kB (UME) [ 414.965287] ? kasan_check_read+0x11/0x20 [ 414.967412] 175*16kB [ 414.971729] ? __run_timers+0x7da/0xc70 [ 414.974544] (UME) [ 414.978685] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.981069] 64*32kB [ 414.985077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.987191] (UMEH) [ 414.992635] __run_timers+0x7e5/0xc70 [ 414.994930] 14*64kB [ 414.999167] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 415.001366] (UM) [ 415.005164] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.007460] 1*128kB [ 415.012815] ? graph_lock+0x170/0x170 [ 415.014850] (H) [ 415.019858] ? enqueue_hrtimer+0x1a5/0x560 [ 415.022160] 0*256kB [ 415.025951] ? lock_release+0x970/0x970 [ 415.027903] 0*512kB [ 415.032133] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 415.034434] 0*1024kB [ 415.038417] ? find_held_lock+0x36/0x1c0 [ 415.040744] 0*2048kB [ 415.045929] ? graph_lock+0x170/0x170 [ 415.048313] 0*4096kB [ 415.052364] ? pvclock_read_flags+0x160/0x160 [ 415.054745] = 13932kB [ 415.054760] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 415.058549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.060938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 415.065418] ? check_preemption_disabled+0x48/0x200 [ 415.067802] 788 total pagecache pages [ 415.076641] ? __lock_is_held+0xb5/0x140 [ 415.082154] 0 pages in swap cache [ 415.090717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.095710] Swap cache stats: add 0, delete 0, find 0/0 [ 415.099500] ? check_preemption_disabled+0x48/0x200 [ 415.103531] Free swap = 0kB [ 415.106983] run_timer_softirq+0x52/0xb0 [ 415.112485] Total swap = 0kB [ 415.117841] ? rcu_read_lock_sched_held+0x108/0x120 [ 415.122829] 1965979 pages RAM [ 415.125843] __do_softirq+0x30b/0xad8 [ 415.129874] 0 pages HighMem/MovableOnly [ 415.132892] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 415.137879] 343323 pages reserved [ 415.140982] ? pvclock_read_flags+0x160/0x160 [ 415.144762] 0 pages cma reserved [ 415.148728] ? lapic_next_event+0x5a/0x90 [ 415.153882] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 415.157272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.161813] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.165100] ? check_preemption_disabled+0x48/0x200 [ 415.169222] syz-fuzzer cpuset= [ 415.175700] ? check_preemption_disabled+0x48/0x200 [ 415.175722] ? kvm_clock_read+0x18/0x30 [ 415.181228] / [ 415.191444] ? kvm_sched_clock_read+0x9/0x20 [ 415.196439] mems_allowed=0 [ 415.199622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.223122] ? check_preemption_disabled+0x48/0x200 [ 415.228153] irq_exit+0x17f/0x1c0 [ 415.231637] smp_apic_timer_interrupt+0x1cb/0x760 [ 415.236478] ? smp_reschedule_interrupt+0x109/0x650 [ 415.241501] ? smp_call_function_single_interrupt+0x650/0x650 [ 415.247387] ? interrupt_entry+0xb5/0xf0 [ 415.251454] ? trace_hardirqs_off_caller+0xbb/0x300 [ 415.256471] ? trace_hardirqs_off_caller+0xbb/0x300 [ 415.261490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.266330] ? trace_hardirqs_off+0x300/0x300 [ 415.270825] ? trace_hardirqs_off+0x300/0x300 [ 415.275323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.280860] ? check_preemption_disabled+0x48/0x200 [ 415.285894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.291441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.296294] apic_timer_interrupt+0xf/0x20 [ 415.300524] [ 415.302767] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 415.307703] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 415.326606] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 415.334331] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 415.341600] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 415.348868] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 415.356139] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 415.363407] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 415.370731] skb_clone+0x1bb/0x500 [ 415.374278] ? finish_task_switch+0x2f5/0x900 [ 415.378786] ? skb_split+0x11e0/0x11e0 [ 415.382684] ? preempt_notifier_register+0x200/0x200 [ 415.387790] ? __switch_to_asm+0x34/0x70 [ 415.391862] ? __switch_to_asm+0x34/0x70 [ 415.395939] ? __switch_to_asm+0x40/0x70 [ 415.400008] ? __switch_to_asm+0x34/0x70 [ 415.404073] ? __switch_to_asm+0x40/0x70 [ 415.408140] ? __switch_to_asm+0x34/0x70 [ 415.412201] ? __switch_to_asm+0x40/0x70 [ 415.416259] ? __switch_to_asm+0x34/0x70 [ 415.420327] ? __switch_to_asm+0x34/0x70 [ 415.424388] ? __switch_to_asm+0x40/0x70 [ 415.428450] ? __switch_to_asm+0x34/0x70 [ 415.432530] bpf_clone_redirect+0xb9/0x490 [ 415.436775] ? __schedule+0x874/0x1ed0 [ 415.440676] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 415.445700] ? __sched_text_start+0x8/0x8 [ 415.449853] ? retint_kernel+0x2d/0x2d [ 415.453751] ? find_held_lock+0x36/0x1c0 [ 415.457822] ? lock_acquire+0x1ed/0x520 [ 415.461796] ? bpf_test_run+0x32e/0x5a0 [ 415.465795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.471338] ? check_preemption_disabled+0x48/0x200 [ 415.476363] ? kasan_check_read+0x11/0x20 [ 415.480516] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 415.485796] ? rcu_bh_qs+0xc0/0xc0 [ 415.489342] ? preempt_schedule+0x4d/0x60 [ 415.493493] ? ___preempt_schedule+0x16/0x18 [ 415.497914] ? bpf_test_run+0x1c0/0x5a0 [ 415.501902] ? netlink_diag_dump+0x2a0/0x2a0 [ 415.506313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.511849] ? bpf_test_init.isra.9+0x70/0x100 [ 415.516436] ? bpf_prog_test_run_skb+0x634/0xb40 [ 415.521202] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 415.526044] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 415.531580] ? fput+0x130/0x1a0 [ 415.534862] ? __bpf_prog_get+0x9b/0x290 [ 415.538927] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 415.543768] ? bpf_prog_test_run+0x130/0x1a0 [ 415.548187] ? __x64_sys_bpf+0x3d8/0x510 [ 415.552248] ? bpf_prog_get+0x20/0x20 [ 415.556060] ? ksys_ioctl+0x81/0xd0 [ 415.559706] ? do_syscall_64+0x1b9/0x820 [ 415.563770] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 415.569139] ? syscall_return_slowpath+0x5e0/0x5e0 [ 415.574076] ? trace_hardirqs_off+0x300/0x300 [ 415.578581] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 415.583598] ? recalc_sigpending_tsk+0x180/0x180 [ 415.588354] ? kasan_check_write+0x14/0x20 [ 415.592595] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.597448] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 415.602838] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 415.602928] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 415.609777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.609785] Call Trace: [ 415.616365] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.625614] [ 415.628183] syz-executor6 cpuset= [ 415.638675] dump_stack+0x1c4/0x2b4 [ 415.640802] syz6 [ 415.644254] ? dump_stack_print_info.cold.2+0x52/0x52 [ 415.647862] mems_allowed=0 [ 415.649968] warn_alloc.cold.118+0xb7/0x1bd [ 415.662359] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.667211] ? lock_downgrade+0x900/0x900 [ 415.671371] ? trace_hardirqs_off+0xb8/0x300 [ 415.675787] ? trace_hardirqs_off+0xb8/0x300 [ 415.680209] __alloc_pages_slowpath+0x2667/0x2d80 [ 415.685085] ? warn_alloc+0x120/0x120 [ 415.688893] ? warn_alloc+0x120/0x120 [ 415.692727] ? print_usage_bug+0xc0/0xc0 [ 415.696793] ? warn_alloc+0x120/0x120 [ 415.700611] ? print_usage_bug+0xc0/0xc0 [ 415.704675] ? __lock_acquire+0x7ec/0x4ec0 [ 415.708910] ? __lock_acquire+0x7ec/0x4ec0 [ 415.713153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.718714] ? should_fail+0x22d/0xd01 [ 415.722638] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.727768] ? __lock_acquire+0x7ec/0x4ec0 [ 415.732035] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.737157] ? __lock_acquire+0x7ec/0x4ec0 [ 415.741409] ? should_fail+0x22d/0xd01 [ 415.745761] ? mark_held_locks+0x130/0x130 [ 415.750022] ? mark_held_locks+0x130/0x130 [ 415.754269] ? graph_lock+0x170/0x170 [ 415.758075] ? graph_lock+0x170/0x170 [ 415.761884] ? graph_lock+0x170/0x170 [ 415.765688] ? print_usage_bug+0xc0/0xc0 [ 415.769771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.775316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.780857] ? check_preemption_disabled+0x48/0x200 [ 415.785875] ? check_preemption_disabled+0x48/0x200 [ 415.790910] ? __lock_is_held+0xb5/0x140 [ 415.794985] __alloc_pages_nodemask+0xa80/0xde0 [ 415.799666] ? graph_lock+0x170/0x170 [ 415.803478] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 415.808493] ? graph_lock+0x170/0x170 [ 415.812311] ? find_held_lock+0x36/0x1c0 [ 415.816387] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.821058] ? lock_downgrade+0x900/0x900 [ 415.825218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.830771] cache_grow_begin+0x91/0x8c0 [ 415.834836] ? do_raw_spin_unlock+0xa7/0x2f0 [ 415.839256] fallback_alloc+0x203/0x2e0 [ 415.843246] ____cache_alloc_node+0x1c7/0x1e0 [ 415.847750] kmem_cache_alloc_node+0xe3/0x730 [ 415.852256] ? ipv6_get_ifaddr+0x42e/0x620 [ 415.856510] __alloc_skb+0x119/0x770 [ 415.860234] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 415.865520] ? skb_scrub_packet+0x490/0x490 [ 415.869843] ? lock_downgrade+0x900/0x900 [ 415.874039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.879593] ? refcount_sub_and_test_checked+0x203/0x310 [ 415.885055] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 415.890516] ? addrconf_rs_timer+0x6f0/0x6f0 [ 415.894947] ndisc_alloc_skb+0x144/0x340 [ 415.899026] ndisc_send_rs+0x331/0x6e0 [ 415.902929] addrconf_rs_timer+0x3c0/0x6f0 [ 415.907177] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.911433] call_timer_fn+0x272/0x920 [ 415.915322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.919561] ? process_timeout+0x40/0x40 [ 415.923626] ? find_held_lock+0x36/0x1c0 [ 415.927716] ? mark_held_locks+0xc7/0x130 [ 415.931871] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.936385] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.940885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.945136] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 415.949725] ? trace_hardirqs_on+0xbd/0x310 [ 415.954051] ? kasan_check_read+0x11/0x20 [ 415.958218] ? __run_timers+0x7da/0xc70 [ 415.962206] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.967670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.971912] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.976151] __run_timers+0x7e5/0xc70 [ 415.979969] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 415.985346] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 415.990624] ? rcu_bh_qs+0xc0/0xc0 [ 415.994171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.999717] ? mark_held_locks+0xc7/0x130 [ 416.003873] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 416.008701] ? retint_kernel+0x2d/0x2d [ 416.012599] ? trace_hardirqs_on_caller+0xc0/0x300 [ 416.017759] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 416.022519] ? trace_hardirqs_off_caller+0x300/0x300 [ 416.027621] ? check_preemption_disabled+0x48/0x200 [ 416.032636] ? graph_lock+0x170/0x170 [ 416.036447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.041984] ? check_preemption_disabled+0x48/0x200 [ 416.047035] ? __lock_is_held+0xb5/0x140 [ 416.051103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.056639] ? check_preemption_disabled+0x48/0x200 [ 416.061666] run_timer_softirq+0x52/0xb0 [ 416.065728] ? rcu_read_lock_sched_held+0x108/0x120 [ 416.070753] __do_softirq+0x30b/0xad8 [ 416.074567] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 416.079687] ? pvclock_read_flags+0x160/0x160 [ 416.084185] ? lapic_next_event+0x5a/0x90 [ 416.088337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.093878] ? check_preemption_disabled+0x48/0x200 [ 416.098896] ? check_preemption_disabled+0x48/0x200 [ 416.103925] ? kvm_clock_read+0x18/0x30 [ 416.107901] ? kvm_sched_clock_read+0x9/0x20 [ 416.112320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.117854] ? check_preemption_disabled+0x48/0x200 [ 416.122888] irq_exit+0x17f/0x1c0 [ 416.126351] smp_apic_timer_interrupt+0x1cb/0x760 [ 416.131203] ? smp_call_function_single_interrupt+0x650/0x650 [ 416.137090] ? interrupt_entry+0xb5/0xf0 [ 416.141158] ? trace_hardirqs_off_caller+0xbb/0x300 [ 416.146175] ? trace_hardirqs_off_caller+0xbb/0x300 [ 416.151655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.156502] ? trace_hardirqs_off+0x300/0x300 [ 416.161009] ? trace_hardirqs_off+0x300/0x300 [ 416.165509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.171067] ? check_preemption_disabled+0x48/0x200 [ 416.176087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.181641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.186501] apic_timer_interrupt+0xf/0x20 [ 416.190748] [ 416.193001] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 416.198283] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 416.217198] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 416.224945] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 416.232399] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 416.239688] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 416.246977] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 416.254282] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 416.261605] ? arch_local_irq_restore+0x45/0x52 [ 416.266302] dump_stack+0x26a/0x2b4 [ 416.269940] ? dump_stack_print_info.cold.2+0x52/0x52 [ 416.275143] ? mark_held_locks+0x130/0x130 [ 416.279390] ? mark_held_locks+0x130/0x130 [ 416.283633] dump_header+0x27b/0xf72 [ 416.287397] ? pagefault_out_of_memory+0x197/0x197 [ 416.292357] ? mark_held_locks+0x130/0x130 [ 416.296597] ? __lock_acquire+0x7ec/0x4ec0 [ 416.300840] ? mem_cgroup_charge_statistics+0x780/0x780 [ 416.306221] ? print_usage_bug+0xc0/0xc0 [ 416.310302] ? print_usage_bug+0xc0/0xc0 [ 416.314387] ? graph_lock+0x170/0x170 [ 416.318194] ? graph_lock+0x170/0x170 [ 416.322007] ? print_usage_bug+0xc0/0xc0 [ 416.326076] ? print_usage_bug+0xc0/0xc0 [ 416.330168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.335717] ? find_held_lock+0x36/0x1c0 [ 416.339787] ? mark_held_locks+0xc7/0x130 [ 416.343943] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.349045] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.354151] ? lockdep_hardirqs_on+0x421/0x5c0 [ 416.358735] ? trace_hardirqs_on+0xbd/0x310 [ 416.363056] ? kasan_check_read+0x11/0x20 [ 416.367209] ? ___ratelimit+0x36f/0x655 [ 416.371190] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.376641] ? trace_hardirqs_on+0x310/0x310 [ 416.381054] ? lock_downgrade+0x900/0x900 [ 416.385217] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.390339] ? ___ratelimit+0xaa/0x655 [ 416.394246] ? idr_get_free+0xec0/0xec0 [ 416.398234] ? kasan_check_write+0x14/0x20 [ 416.402485] ? do_raw_spin_lock+0xc1/0x200 [ 416.406741] oom_kill_process.cold.27+0x10/0x903 [ 416.411537] ? graph_lock+0x170/0x170 [ 416.415353] ? _raw_spin_unlock+0x2c/0x50 [ 416.419508] ? oom_badness+0xe6/0xaa0 [ 416.423319] ? oom_evaluate_task+0x540/0x540 [ 416.427733] ? find_held_lock+0x36/0x1c0 [ 416.431808] ? out_of_memory+0x974/0x14c0 [ 416.435962] ? lock_downgrade+0x900/0x900 [ 416.440119] ? check_preemption_disabled+0x48/0x200 [ 416.445155] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 416.450948] ? kasan_check_read+0x11/0x20 [ 416.455099] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 416.460378] ? rcu_bh_qs+0xc0/0xc0 [ 416.463928] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 416.468944] ? oom_evaluate_task+0x302/0x540 [ 416.473362] out_of_memory+0xa86/0x14c0 [ 416.477349] ? oom_killer_disable+0x3a0/0x3a0 [ 416.481844] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 416.486779] ? __mutex_add_waiter+0x2a0/0x2a0 [ 416.491290] __alloc_pages_slowpath+0x2318/0x2d80 [ 416.496167] ? warn_alloc+0x120/0x120 [ 416.499985] ? find_get_entry+0x2f2/0xc40 [ 416.504159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.509712] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 416.514654] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.520203] ? should_fail+0x22d/0xd01 [ 416.524101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.529207] ? __lock_is_held+0xb5/0x140 [ 416.533298] ? __lock_is_held+0xb5/0x140 [ 416.537374] ? find_held_lock+0x36/0x1c0 [ 416.541443] ? ___might_sleep+0x1ed/0x300 [ 416.545597] ? lock_release+0x970/0x970 [ 416.549574] ? arch_local_save_flags+0x40/0x40 [ 416.554177] ? __might_sleep+0x95/0x190 [ 416.558164] __alloc_pages_nodemask+0xa80/0xde0 [ 416.562846] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 416.567870] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 416.573665] ? kasan_check_read+0x11/0x20 [ 416.577822] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 416.583107] ? graph_lock+0x170/0x170 [ 416.586912] ? print_usage_bug+0xc0/0xc0 [ 416.590984] ? graph_lock+0x170/0x170 [ 416.594791] ? graph_lock+0x170/0x170 [ 416.598600] ? __do_page_cache_readahead+0x7ce/0x980 [ 416.603711] ? find_held_lock+0x36/0x1c0 [ 416.607782] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 416.613327] alloc_pages_current+0x10c/0x210 [ 416.617733] ? lock_downgrade+0x900/0x900 [ 416.621888] __page_cache_alloc+0x38f/0x5b0 [ 416.626216] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 416.632018] ? kasan_check_read+0x11/0x20 [ 416.636170] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 416.641455] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 416.646127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.651668] ? check_preemption_disabled+0x48/0x200 [ 416.656695] filemap_fault+0x1594/0x25f0 [ 416.660774] ? __lock_page_or_retry+0xa00/0xa00 [ 416.665449] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 416.671249] ? kasan_check_read+0x11/0x20 [ 416.675400] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 416.680685] ? rcu_bh_qs+0xc0/0xc0 [ 416.684239] ? filemap_map_pages+0xdea/0x1980 [ 416.688745] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.693858] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 416.699135] ? debug_object_free+0x325/0x690 [ 416.703548] ? find_get_pages_range_tag+0x1320/0x1320 [ 416.708748] ? graph_lock+0x170/0x170 [ 416.712557] ? kasan_check_read+0x11/0x20 [ 416.716714] ? debug_object_destroy+0x2b0/0x2b0 [ 416.721396] ? lock_acquire+0x1ed/0x520 [ 416.725373] ? ext4_filemap_fault+0x7a/0xad [ 416.729704] ? lock_release+0x970/0x970 [ 416.733699] ? arch_local_save_flags+0x40/0x40 [ 416.738292] ? futex_wait_setup+0x3e0/0x3e0 [ 416.742633] ? down_read+0xb0/0x1d0 [ 416.746268] ? ext4_filemap_fault+0x7a/0xad [ 416.750604] ? __down_interruptible+0x700/0x700 [ 416.755301] ext4_filemap_fault+0x82/0xad [ 416.759461] __do_fault+0x100/0x6b0 [ 416.763097] ? print_bad_pte+0x6c0/0x6c0 [ 416.767163] ? do_futex+0x249/0x26d0 [ 416.770879] ? kasan_check_read+0x11/0x20 [ 416.775029] ? pmd_val+0x88/0x100 [ 416.778486] ? add_mm_counter_fast+0xd0/0xd0 [ 416.782894] ? pmd_val+0x88/0x100 [ 416.786351] ? add_mm_counter_fast+0xd0/0xd0 [ 416.790769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.796324] __handle_mm_fault+0x3709/0x53e0 [ 416.800741] ? perf_trace_lock+0x14d/0x7a0 [ 416.805002] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 416.809850] ? graph_lock+0x170/0x170 [ 416.813653] ? print_usage_bug+0xc0/0xc0 [ 416.817717] ? graph_lock+0x170/0x170 [ 416.821521] ? graph_lock+0x170/0x170 [ 416.825349] ? handle_mm_fault+0x42a/0xc70 [ 416.829593] ? lock_downgrade+0x900/0x900 [ 416.833739] ? check_preemption_disabled+0x48/0x200 [ 416.838772] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 416.844574] ? kasan_check_read+0x11/0x20 [ 416.848731] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 416.854033] ? rcu_bh_qs+0xc0/0xc0 [ 416.857580] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.863042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.868580] ? check_preemption_disabled+0x48/0x200 [ 416.873618] handle_mm_fault+0x54f/0xc70 [ 416.877684] ? __handle_mm_fault+0x53e0/0x53e0 [ 416.882273] ? find_vma+0x34/0x190 [ 416.885820] __do_page_fault+0x67d/0xed0 [ 416.889891] ? mm_fault_error+0x380/0x380 [ 416.894041] ? trace_hardirqs_off+0xb8/0x300 [ 416.898450] ? trace_hardirqs_on+0x310/0x310 [ 416.902862] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.908228] ? trace_hardirqs_on+0x310/0x310 [ 416.912663] do_page_fault+0xf2/0x7e0 [ 416.916469] ? vmalloc_sync_all+0x30/0x30 [ 416.920624] ? error_entry+0x70/0xd0 [ 416.924343] ? trace_hardirqs_off_caller+0xbb/0x300 [ 416.929369] ? trace_hardirqs_on_caller+0xc0/0x300 [ 416.934299] ? syscall_return_slowpath+0x5e0/0x5e0 [ 416.939230] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.944075] ? trace_hardirqs_off+0x300/0x300 [ 416.948573] ? trace_hardirqs_off_caller+0x300/0x300 [ 416.953686] ? prepare_exit_to_usermode+0x291/0x3b0 [ 416.958706] ? page_fault+0x8/0x30 [ 416.962254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.967100] ? page_fault+0x8/0x30 [ 416.970658] page_fault+0x1e/0x30 [ 416.974127] RIP: 0033:0x45ddf3 [ 416.977355] Code: Bad RIP value. [ 416.980719] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 416.986101] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 416.993371] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 417.000637] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 417.007907] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 417.015175] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 417.022474] warn_alloc_show_mem: 1 callbacks suppressed [ 417.022486] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 417.022488] Mem-Info: [ 417.022521] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 417.022521] active_file:16 inactive_file:17 isolated_file:0 [ 417.022521] unevictable:0 dirty:0 writeback:0 unstable:0 [ 417.022521] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 417.022521] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 417.022521] free:13771 free_pcp:233 free_cma:0 [ 417.027862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.035138] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 417.037535] Call Trace: [ 417.070407] Node 0 [ 417.079767] [ 417.107551] 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 [ 417.110118] dump_stack+0x1c4/0x2b4 [ 417.112321] lowmem_reserve[]: [ 417.114466] ? dump_stack_print_info.cold.2+0x52/0x52 [ 417.139968] 0 [ 417.143621] warn_alloc.cold.118+0xb7/0x1bd [ 417.146688] 2815 [ 417.151870] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.153649] 6318 [ 417.157968] ? lock_downgrade+0x900/0x900 [ 417.160011] 6318 [ 417.164852] ? trace_hardirqs_off+0xb8/0x300 [ 417.171038] ? trace_hardirqs_off+0xb8/0x300 [ 417.173083] Node 0 [ 417.177495] __alloc_pages_slowpath+0x2667/0x2d80 [ 417.181904] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 417.184140] ? warn_alloc+0x120/0x120 [ 417.188930] lowmem_reserve[]: [ 417.215661] ? trace_hardirqs_on+0x310/0x310 [ 417.219450] 0 [ 417.222550] ? warn_alloc+0x120/0x120 [ 417.226930] 0 [ 417.228728] ? print_usage_bug+0xc0/0xc0 [ 417.232500] 3503 [ 417.234297] ? warn_alloc+0x120/0x120 [ 417.238332] 3503 [ 417.240396] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 417.246222] ? print_usage_bug+0xc0/0xc0 [ 417.251213] Node 0 Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 417.255313] ? __lock_acquire+0x7ec/0x4ec0 [ 417.255329] ? __lock_acquire+0x7ec/0x4ec0 [ 417.284299] lowmem_reserve[]: 0 [ 417.288575] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.292771] 0 [ 417.296047] ? should_fail+0x22d/0xd01 [ 417.301557] 0 [ 417.303357] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.307218] 0 [ 417.309033] ? __lock_acquire+0x7ec/0x4ec0 [ 417.315914] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.320119] Node 0 [ 417.325250] ? __lock_acquire+0x7ec/0x4ec0 [ 417.325262] DMA: [ 417.327494] ? should_fail+0x22d/0xd01 [ 417.327510] ? print_usage_bug+0xc0/0xc0 [ 417.331735] 1*4kB [ 417.333811] ? mark_held_locks+0x130/0x130 [ 417.337661] (U) [ 417.341722] ? mark_held_locks+0x130/0x130 [ 417.343847] 0*8kB [ 417.348096] ? graph_lock+0x170/0x170 [ 417.350035] 0*16kB [ 417.354260] ? print_usage_bug+0xc0/0xc0 [ 417.356505] 1*32kB [ 417.360299] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 417.362505] (U) [ 417.366564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.368772] 2*64kB [ 417.373518] ? check_preemption_disabled+0x48/0x200 [ 417.375473] (U) [ 417.381009] ? check_preemption_disabled+0x48/0x200 [ 417.383223] 1*128kB [ 417.388244] ? __lock_is_held+0xb5/0x140 [ 417.390185] (U) [ 417.395213] __alloc_pages_nodemask+0xa80/0xde0 [ 417.397510] 1*256kB [ 417.401565] ? graph_lock+0x170/0x170 [ 417.403520] (U) [ 417.408196] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 417.410495] 0*512kB [ 417.414288] ? graph_lock+0x170/0x170 [ 417.414315] ? find_held_lock+0x36/0x1c0 [ 417.416260] 1*1024kB [ 417.421292] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.423583] (U) [ 417.427388] ? lock_downgrade+0x900/0x900 [ 417.431423] 1*2048kB [ 417.433843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.438476] (M) [ 417.440451] cache_grow_begin+0x91/0x8c0 [ 417.444567] 3*4096kB [ 417.446988] ? do_raw_spin_unlock+0xa7/0x2f0 [ 417.452511] (M) [ 417.454486] fallback_alloc+0x203/0x2e0 [ 417.458517] = 15908kB [ 417.460920] ____cache_alloc_node+0x1c7/0x1e0 [ 417.465299] Node 0 [ 417.467270] kmem_cache_alloc_node+0xe3/0x730 [ 417.471215] DMA32: [ 417.473623] ? ipv6_get_ifaddr+0x42e/0x620 [ 417.478086] 3*4kB [ 417.480326] __alloc_skb+0x119/0x770 [ 417.484791] (M) [ 417.487045] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 417.491253] 2*8kB [ 417.493398] ? skb_scrub_packet+0x490/0x490 [ 417.497090] (M) 2*16kB [ 417.499073] ? lock_downgrade+0x900/0x900 [ 417.504320] (UM) [ 417.506485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.510776] 1*32kB [ 417.513356] ? refcount_sub_and_test_checked+0x203/0x310 [ 417.517474] (M) [ 417.519529] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 417.525043] 3*64kB [ 417.527276] ? addrconf_rs_timer+0x6f0/0x6f0 [ 417.532697] (UM) [ 417.534675] ndisc_alloc_skb+0x144/0x340 [ 417.540087] 3*128kB [ 417.542326] ndisc_send_rs+0x331/0x6e0 [ 417.546708] (M) [ 417.548770] addrconf_rs_timer+0x3c0/0x6f0 [ 417.552804] 2*256kB [ 417.555126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.558985] (M) [ 417.560974] call_timer_fn+0x272/0x920 [ 417.565176] 3*512kB [ 417.567490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.571696] (M) [ 417.573669] ? process_timeout+0x40/0x40 [ 417.577534] 4*1024kB [ 417.579851] ? find_held_lock+0x36/0x1c0 [ 417.584081] (UM) [ 417.586060] ? __run_timers+0x7da/0xc70 [ 417.590098] 3*2048kB [ 417.592502] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.596534] (M) [ 417.598610] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.602559] 3*4096kB [ 417.604962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.609429] (M) [ 417.611403] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 417.615864] = 25244kB [ 417.615872] Node 0 [ 417.618280] ? trace_hardirqs_on+0xbd/0x310 [ 417.622487] Normal: [ 417.624457] ? kasan_check_read+0x11/0x20 [ 417.629025] 1139*4kB [ 417.631434] ? __run_timers+0x7da/0xc70 [ 417.633645] (MEH) [ 417.637958] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.640255] 438*8kB [ 417.644400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.646780] (UME) [ 417.650746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.652868] 175*16kB [ 417.658310] __run_timers+0x7e5/0xc70 [ 417.660609] (UME) [ 417.664845] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 417.666963] 64*32kB [ 417.671191] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 417.673575] (UMEH) [ 417.677371] ? graph_lock+0x170/0x170 [ 417.679499] 14*64kB [ 417.684852] ? enqueue_hrtimer+0x1a5/0x560 [ 417.687160] (UM) [ 417.692170] ? lock_release+0x970/0x970 [ 417.694397] 1*128kB [ 417.698192] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 417.700489] (H) [ 417.704724] ? find_held_lock+0x36/0x1c0 [ 417.706756] 0*256kB [ 417.710734] ? graph_lock+0x170/0x170 [ 417.713030] 0*512kB [ 417.718213] ? pvclock_read_flags+0x160/0x160 [ 417.720170] 0*1024kB [ 417.724226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.726522] 0*2048kB 0*4096kB [ 417.730326] ? check_preemption_disabled+0x48/0x200 [ 417.732623] = 13932kB [ 417.737123] ? __lock_is_held+0xb5/0x140 [ 417.739521] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 417.745053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.748222] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 417.753232] ? check_preemption_disabled+0x48/0x200 [ 417.755622] 788 total pagecache pages [ 417.759685] run_timer_softirq+0x52/0xb0 [ 417.768506] 0 pages in swap cache [ 417.774043] ? rcu_read_lock_sched_held+0x108/0x120 [ 417.782598] Swap cache stats: add 0, delete 0, find 0/0 [ 417.782608] Free swap = 0kB [ 417.787632] __do_softirq+0x30b/0xad8 [ 417.791396] Total swap = 0kB [ 417.791406] 1965979 pages RAM [ 417.795470] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 417.798888] 0 pages HighMem/MovableOnly [ 417.803922] ? pvclock_read_flags+0x160/0x160 [ 417.809253] 343323 pages reserved [ 417.809262] 0 pages cma reserved [ 417.812279] ? lapic_next_event+0x5a/0x90 [ 417.816134] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 417.819067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.822225] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.827248] ? check_preemption_disabled+0x48/0x200 [ 417.831197] syz-fuzzer cpuset= [ 417.835683] ? check_preemption_disabled+0x48/0x200 [ 417.839112] / [ 417.842477] ? kvm_clock_read+0x18/0x30 [ 417.846596] mems_allowed=0 [ 417.853095] ? kvm_sched_clock_read+0x9/0x20 [ 417.895030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.900579] ? check_preemption_disabled+0x48/0x200 [ 417.905623] irq_exit+0x17f/0x1c0 [ 417.909095] smp_apic_timer_interrupt+0x1cb/0x760 [ 417.913942] ? smp_reschedule_interrupt+0x109/0x650 [ 417.918968] ? smp_call_function_single_interrupt+0x650/0x650 [ 417.924871] ? interrupt_entry+0xb5/0xf0 [ 417.928941] ? trace_hardirqs_off_caller+0xbb/0x300 [ 417.933960] ? trace_hardirqs_off_caller+0xbb/0x300 [ 417.939006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.943857] ? trace_hardirqs_off+0x300/0x300 [ 417.948377] ? trace_hardirqs_off+0x300/0x300 [ 417.952901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.958445] ? check_preemption_disabled+0x48/0x200 [ 417.963472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.969038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.973902] apic_timer_interrupt+0xf/0x20 [ 417.978133] [ 417.980383] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 417.985320] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 418.004242] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 418.011970] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 418.019678] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 418.026956] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 418.034229] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 418.041523] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 418.048857] skb_clone+0x1bb/0x500 [ 418.052404] ? finish_task_switch+0x2f5/0x900 [ 418.056907] ? skb_split+0x11e0/0x11e0 [ 418.060804] ? preempt_notifier_register+0x200/0x200 [ 418.065912] ? __switch_to_asm+0x34/0x70 [ 418.069985] ? __switch_to_asm+0x34/0x70 [ 418.074065] ? __switch_to_asm+0x40/0x70 [ 418.078131] ? __switch_to_asm+0x34/0x70 [ 418.082195] ? __switch_to_asm+0x40/0x70 [ 418.086265] ? __switch_to_asm+0x34/0x70 [ 418.090327] ? __switch_to_asm+0x40/0x70 [ 418.094391] ? __switch_to_asm+0x34/0x70 [ 418.098461] ? __switch_to_asm+0x34/0x70 [ 418.102528] ? __switch_to_asm+0x40/0x70 [ 418.106603] ? __switch_to_asm+0x34/0x70 [ 418.110701] bpf_clone_redirect+0xb9/0x490 [ 418.114948] ? __schedule+0x874/0x1ed0 [ 418.118850] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 418.123887] ? __sched_text_start+0x8/0x8 [ 418.128054] ? retint_kernel+0x2d/0x2d [ 418.131965] ? find_held_lock+0x36/0x1c0 [ 418.136142] ? lock_acquire+0x1ed/0x520 [ 418.140124] ? bpf_test_run+0x32e/0x5a0 [ 418.144114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.150094] ? check_preemption_disabled+0x48/0x200 [ 418.155145] ? kasan_check_read+0x11/0x20 [ 418.159324] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 418.164624] ? rcu_bh_qs+0xc0/0xc0 [ 418.168180] ? preempt_schedule+0x4d/0x60 [ 418.172342] ? ___preempt_schedule+0x16/0x18 [ 418.176772] ? bpf_test_run+0x1c0/0x5a0 [ 418.181156] ? netlink_diag_dump+0x2a0/0x2a0 [ 418.185577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.191132] ? bpf_test_init.isra.9+0x70/0x100 [ 418.195726] ? bpf_prog_test_run_skb+0x634/0xb40 [ 418.200504] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 418.205364] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 418.210912] ? fput+0x130/0x1a0 [ 418.214195] ? __bpf_prog_get+0x9b/0x290 [ 418.219921] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 418.224767] ? bpf_prog_test_run+0x130/0x1a0 [ 418.229193] ? __x64_sys_bpf+0x3d8/0x510 [ 418.233261] ? bpf_prog_get+0x20/0x20 [ 418.237076] ? ksys_ioctl+0x81/0xd0 [ 418.240732] ? do_syscall_64+0x1b9/0x820 [ 418.244806] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 418.250198] ? syscall_return_slowpath+0x5e0/0x5e0 [ 418.255146] ? trace_hardirqs_off+0x300/0x300 [ 418.259662] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 418.264696] ? recalc_sigpending_tsk+0x180/0x180 [ 418.269475] ? kasan_check_write+0x14/0x20 [ 418.273739] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.278620] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.284049] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 418.284151] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 418.291012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.291026] Call Trace: [ 418.297695] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.306894] [ 418.309474] syz-executor6 cpuset= [ 418.319980] dump_stack+0x1c4/0x2b4 [ 418.322112] syz6 [ 418.325578] ? dump_stack_print_info.cold.2+0x52/0x52 [ 418.329174] mems_allowed=0 [ 418.331162] warn_alloc.cold.118+0xb7/0x1bd [ 418.343602] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.348489] ? lock_downgrade+0x900/0x900 [ 418.352677] ? trace_hardirqs_off+0xb8/0x300 [ 418.357128] ? trace_hardirqs_off+0xb8/0x300 [ 418.361585] __alloc_pages_slowpath+0x2667/0x2d80 [ 418.366498] ? warn_alloc+0x120/0x120 [ 418.370321] ? warn_alloc+0x120/0x120 [ 418.374138] ? print_usage_bug+0xc0/0xc0 [ 418.378208] ? warn_alloc+0x120/0x120 [ 418.382024] ? print_usage_bug+0xc0/0xc0 [ 418.386113] ? __lock_acquire+0x7ec/0x4ec0 [ 418.390356] ? __lock_acquire+0x7ec/0x4ec0 [ 418.394608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.400161] ? should_fail+0x22d/0xd01 [ 418.404065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.409185] ? __lock_acquire+0x7ec/0x4ec0 [ 418.413437] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.418555] ? __lock_acquire+0x7ec/0x4ec0 [ 418.422817] ? should_fail+0x22d/0xd01 [ 418.426745] ? mark_held_locks+0x130/0x130 [ 418.431026] ? mark_held_locks+0x130/0x130 [ 418.435297] ? graph_lock+0x170/0x170 [ 418.439129] ? graph_lock+0x170/0x170 [ 418.442969] ? graph_lock+0x170/0x170 [ 418.446814] ? print_usage_bug+0xc0/0xc0 [ 418.450914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.456492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.462063] ? check_preemption_disabled+0x48/0x200 [ 418.467105] ? check_preemption_disabled+0x48/0x200 [ 418.472163] ? __lock_is_held+0xb5/0x140 [ 418.476251] __alloc_pages_nodemask+0xa80/0xde0 [ 418.480939] ? graph_lock+0x170/0x170 [ 418.484753] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 418.489780] ? graph_lock+0x170/0x170 [ 418.493612] ? find_held_lock+0x36/0x1c0 [ 418.497691] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.502375] ? lock_downgrade+0x900/0x900 [ 418.506545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.512101] cache_grow_begin+0x91/0x8c0 [ 418.516178] ? do_raw_spin_unlock+0xa7/0x2f0 [ 418.520608] fallback_alloc+0x203/0x2e0 [ 418.524603] ____cache_alloc_node+0x1c7/0x1e0 [ 418.529113] kmem_cache_alloc_node+0xe3/0x730 [ 418.533625] ? ipv6_get_ifaddr+0x42e/0x620 [ 418.537882] __alloc_skb+0x119/0x770 [ 418.541613] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 418.546905] ? skb_scrub_packet+0x490/0x490 [ 418.551237] ? lock_downgrade+0x900/0x900 [ 418.555403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.560954] ? refcount_sub_and_test_checked+0x203/0x310 [ 418.566421] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 418.571887] ? addrconf_rs_timer+0x6f0/0x6f0 [ 418.576328] ndisc_alloc_skb+0x144/0x340 [ 418.580408] ndisc_send_rs+0x331/0x6e0 [ 418.584314] addrconf_rs_timer+0x3c0/0x6f0 [ 418.588563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.592822] call_timer_fn+0x272/0x920 [ 418.596721] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.600967] ? process_timeout+0x40/0x40 [ 418.605041] ? find_held_lock+0x36/0x1c0 [ 418.609119] ? mark_held_locks+0xc7/0x130 [ 418.613281] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.617780] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.622286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.626531] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 418.631144] ? trace_hardirqs_on+0xbd/0x310 [ 418.635473] ? kasan_check_read+0x11/0x20 [ 418.639631] ? __run_timers+0x7da/0xc70 [ 418.643618] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.649088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.653337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.657582] __run_timers+0x7e5/0xc70 [ 418.661434] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 418.666809] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 418.672099] ? rcu_bh_qs+0xc0/0xc0 [ 418.675648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.681206] ? mark_held_locks+0xc7/0x130 [ 418.685370] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 418.690141] ? retint_kernel+0x2d/0x2d [ 418.694040] ? trace_hardirqs_on_caller+0xc0/0x300 [ 418.698983] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 418.703753] ? trace_hardirqs_off_caller+0x300/0x300 [ 418.708863] ? check_preemption_disabled+0x48/0x200 [ 418.713893] ? graph_lock+0x170/0x170 [ 418.717730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.723281] ? check_preemption_disabled+0x48/0x200 [ 418.728320] ? __lock_is_held+0xb5/0x140 [ 418.732394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.737940] ? check_preemption_disabled+0x48/0x200 [ 418.742977] run_timer_softirq+0x52/0xb0 [ 418.747069] ? rcu_read_lock_sched_held+0x108/0x120 [ 418.752101] __do_softirq+0x30b/0xad8 [ 418.755922] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 418.761047] ? pvclock_read_flags+0x160/0x160 [ 418.765554] ? lapic_next_event+0x5a/0x90 [ 418.769711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.775258] ? check_preemption_disabled+0x48/0x200 [ 418.780281] ? check_preemption_disabled+0x48/0x200 [ 418.785314] ? kvm_clock_read+0x18/0x30 [ 418.789296] ? kvm_sched_clock_read+0x9/0x20 [ 418.793716] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.799262] ? check_preemption_disabled+0x48/0x200 [ 418.804299] irq_exit+0x17f/0x1c0 [ 418.807763] smp_apic_timer_interrupt+0x1cb/0x760 [ 418.812620] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.818515] ? interrupt_entry+0xb5/0xf0 [ 418.822592] ? trace_hardirqs_off_caller+0xbb/0x300 [ 418.827624] ? trace_hardirqs_off_caller+0xbb/0x300 [ 418.832653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.837506] ? trace_hardirqs_off+0x300/0x300 [ 418.842014] ? trace_hardirqs_off+0x300/0x300 [ 418.846516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.852053] ? check_preemption_disabled+0x48/0x200 [ 418.857071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.862624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.867482] apic_timer_interrupt+0xf/0x20 [ 418.871713] [ 418.873952] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 418.879232] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 418.898140] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 418.905854] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 418.913125] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 418.920392] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 418.927660] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 418.934931] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 418.942231] ? arch_local_irq_restore+0x45/0x52 [ 418.946915] dump_stack+0x26a/0x2b4 [ 418.950547] ? dump_stack_print_info.cold.2+0x52/0x52 [ 418.955745] ? mark_held_locks+0x130/0x130 [ 418.959978] ? mark_held_locks+0x130/0x130 [ 418.964247] dump_header+0x27b/0xf72 [ 418.967978] ? pagefault_out_of_memory+0x197/0x197 [ 418.972921] ? mark_held_locks+0x130/0x130 [ 418.977157] ? __lock_acquire+0x7ec/0x4ec0 [ 418.981399] ? mem_cgroup_charge_statistics+0x780/0x780 [ 418.986767] ? print_usage_bug+0xc0/0xc0 [ 418.990828] ? print_usage_bug+0xc0/0xc0 [ 418.994896] ? graph_lock+0x170/0x170 [ 418.998694] ? graph_lock+0x170/0x170 [ 419.002496] ? print_usage_bug+0xc0/0xc0 [ 419.006559] ? print_usage_bug+0xc0/0xc0 [ 419.010634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.016180] ? find_held_lock+0x36/0x1c0 [ 419.020254] ? mark_held_locks+0xc7/0x130 [ 419.024410] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.029512] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.034623] ? lockdep_hardirqs_on+0x421/0x5c0 [ 419.039210] ? trace_hardirqs_on+0xbd/0x310 [ 419.043532] ? kasan_check_read+0x11/0x20 [ 419.047683] ? ___ratelimit+0x36f/0x655 [ 419.051680] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.057134] ? trace_hardirqs_on+0x310/0x310 [ 419.061550] ? lock_downgrade+0x900/0x900 [ 419.065707] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.070818] ? ___ratelimit+0xaa/0x655 [ 419.074708] ? idr_get_free+0xec0/0xec0 [ 419.078681] ? kasan_check_write+0x14/0x20 [ 419.082920] ? do_raw_spin_lock+0xc1/0x200 [ 419.087167] oom_kill_process.cold.27+0x10/0x903 [ 419.091926] ? graph_lock+0x170/0x170 [ 419.095729] ? _raw_spin_unlock+0x2c/0x50 [ 419.099883] ? oom_badness+0xe6/0xaa0 [ 419.103693] ? oom_evaluate_task+0x540/0x540 [ 419.108112] ? find_held_lock+0x36/0x1c0 [ 419.112187] ? out_of_memory+0x974/0x14c0 [ 419.116341] ? lock_downgrade+0x900/0x900 [ 419.120490] ? check_preemption_disabled+0x48/0x200 [ 419.125521] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 419.131325] ? kasan_check_read+0x11/0x20 [ 419.135480] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.140765] ? rcu_bh_qs+0xc0/0xc0 [ 419.144316] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 419.149336] ? oom_evaluate_task+0x302/0x540 [ 419.153755] out_of_memory+0xa86/0x14c0 [ 419.157749] ? oom_killer_disable+0x3a0/0x3a0 [ 419.162262] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 419.167205] ? __mutex_add_waiter+0x2a0/0x2a0 [ 419.171721] __alloc_pages_slowpath+0x2318/0x2d80 [ 419.176612] ? warn_alloc+0x120/0x120 [ 419.180438] ? find_get_entry+0x2f2/0xc40 [ 419.184615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.190174] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 419.195120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.200676] ? should_fail+0x22d/0xd01 [ 419.204591] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.209708] ? __lock_is_held+0xb5/0x140 [ 419.213812] ? __lock_is_held+0xb5/0x140 [ 419.217894] ? find_held_lock+0x36/0x1c0 [ 419.221974] ? ___might_sleep+0x1ed/0x300 [ 419.226137] ? lock_release+0x970/0x970 [ 419.230120] ? arch_local_save_flags+0x40/0x40 [ 419.234724] ? __might_sleep+0x95/0x190 [ 419.238710] __alloc_pages_nodemask+0xa80/0xde0 [ 419.243396] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 419.248434] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 419.254245] ? kasan_check_read+0x11/0x20 [ 419.258414] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.263702] ? graph_lock+0x170/0x170 [ 419.267510] ? print_usage_bug+0xc0/0xc0 [ 419.271580] ? graph_lock+0x170/0x170 [ 419.275386] ? graph_lock+0x170/0x170 [ 419.279196] ? __do_page_cache_readahead+0x7ce/0x980 [ 419.284315] ? find_held_lock+0x36/0x1c0 [ 419.288397] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 419.293951] alloc_pages_current+0x10c/0x210 [ 419.298366] ? lock_downgrade+0x900/0x900 [ 419.302526] __page_cache_alloc+0x38f/0x5b0 [ 419.306864] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 419.312679] ? kasan_check_read+0x11/0x20 [ 419.316854] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.322157] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 419.326869] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.332427] ? check_preemption_disabled+0x48/0x200 [ 419.337471] filemap_fault+0x1594/0x25f0 [ 419.341564] ? __lock_page_or_retry+0xa00/0xa00 [ 419.346255] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 419.352069] ? kasan_check_read+0x11/0x20 [ 419.356252] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.361545] ? rcu_bh_qs+0xc0/0xc0 [ 419.365112] ? filemap_map_pages+0xdea/0x1980 [ 419.369628] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.374745] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 419.380034] ? debug_object_free+0x325/0x690 [ 419.384459] ? find_get_pages_range_tag+0x1320/0x1320 [ 419.389665] ? graph_lock+0x170/0x170 [ 419.393486] ? kasan_check_read+0x11/0x20 [ 419.397648] ? debug_object_destroy+0x2b0/0x2b0 [ 419.402345] ? lock_acquire+0x1ed/0x520 [ 419.406333] ? ext4_filemap_fault+0x7a/0xad [ 419.410667] ? lock_release+0x970/0x970 [ 419.414647] ? arch_local_save_flags+0x40/0x40 [ 419.419251] ? futex_wait_setup+0x3e0/0x3e0 [ 419.423601] ? down_read+0xb0/0x1d0 [ 419.427233] ? ext4_filemap_fault+0x7a/0xad [ 419.431566] ? __down_interruptible+0x700/0x700 [ 419.436272] ext4_filemap_fault+0x82/0xad [ 419.440437] __do_fault+0x100/0x6b0 [ 419.444084] ? print_bad_pte+0x6c0/0x6c0 [ 419.448157] ? do_futex+0x249/0x26d0 [ 419.451885] ? kasan_check_read+0x11/0x20 [ 419.456046] ? pmd_val+0x88/0x100 [ 419.459511] ? add_mm_counter_fast+0xd0/0xd0 [ 419.463931] ? pmd_val+0x88/0x100 [ 419.467409] ? add_mm_counter_fast+0xd0/0xd0 [ 419.471844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.477409] __handle_mm_fault+0x3709/0x53e0 [ 419.481830] ? perf_trace_lock+0x14d/0x7a0 [ 419.486098] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 419.490964] ? graph_lock+0x170/0x170 [ 419.494802] ? print_usage_bug+0xc0/0xc0 [ 419.498885] ? graph_lock+0x170/0x170 [ 419.502697] ? graph_lock+0x170/0x170 [ 419.506543] ? handle_mm_fault+0x42a/0xc70 [ 419.510802] ? lock_downgrade+0x900/0x900 [ 419.514965] ? check_preemption_disabled+0x48/0x200 [ 419.520025] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 419.525843] ? kasan_check_read+0x11/0x20 [ 419.530016] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.535308] ? rcu_bh_qs+0xc0/0xc0 [ 419.538857] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.544323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.549871] ? check_preemption_disabled+0x48/0x200 [ 419.554907] handle_mm_fault+0x54f/0xc70 [ 419.558985] ? __handle_mm_fault+0x53e0/0x53e0 [ 419.563602] ? find_vma+0x34/0x190 [ 419.567159] __do_page_fault+0x67d/0xed0 [ 419.571234] ? mm_fault_error+0x380/0x380 [ 419.575385] ? trace_hardirqs_off+0xb8/0x300 [ 419.579798] ? trace_hardirqs_on+0x310/0x310 [ 419.584216] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.589592] ? trace_hardirqs_on+0x310/0x310 [ 419.594033] do_page_fault+0xf2/0x7e0 [ 419.597840] ? vmalloc_sync_all+0x30/0x30 [ 419.601993] ? error_entry+0x70/0xd0 [ 419.605721] ? trace_hardirqs_off_caller+0xbb/0x300 [ 419.610739] ? trace_hardirqs_on_caller+0xc0/0x300 [ 419.615667] ? syscall_return_slowpath+0x5e0/0x5e0 [ 419.620601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.625447] ? trace_hardirqs_off+0x300/0x300 [ 419.629939] ? trace_hardirqs_off_caller+0x300/0x300 [ 419.635051] ? prepare_exit_to_usermode+0x291/0x3b0 [ 419.640070] ? page_fault+0x8/0x30 [ 419.643622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.648475] ? page_fault+0x8/0x30 [ 419.652024] page_fault+0x1e/0x30 [ 419.655479] RIP: 0033:0x45ddf3 [ 419.658677] Code: Bad RIP value. [ 419.662036] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 419.667400] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 419.674664] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 419.681932] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 419.689202] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 419.696471] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 419.703775] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 419.703781] warn_alloc_show_mem: 1 callbacks suppressed [ 419.703788] Mem-Info: [ 419.711063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.716434] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 419.716434] active_file:16 inactive_file:17 isolated_file:0 [ 419.716434] unevictable:0 dirty:0 writeback:0 unstable:0 [ 419.716434] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 419.716434] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 419.716434] free:13771 free_pcp:233 free_cma:0 [ 419.718803] Call Trace: [ 419.728188] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 419.761047] [ 419.763619] Node 0 [ 419.791295] dump_stack+0x1c4/0x2b4 [ 419.793440] 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 [ 419.795645] ? dump_stack_print_info.cold.2+0x52/0x52 [ 419.799245] lowmem_reserve[]: [ 419.824770] warn_alloc.cold.118+0xb7/0x1bd [ 419.829936] 0 [ 419.833042] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.837335] 2815 [ 419.839136] ? lock_downgrade+0x900/0x900 [ 419.843948] 6318 [ 419.846018] ? trace_hardirqs_off+0xb8/0x300 [ 419.850130] 6318 [ 419.852197] ? trace_hardirqs_off+0xb8/0x300 [ 419.856580] Node 0 [ 419.858642] __alloc_pages_slowpath+0x2667/0x2d80 [ 419.863053] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 419.865283] ? warn_alloc+0x120/0x120 [ 419.870072] lowmem_reserve[]: [ 419.896807] ? trace_hardirqs_on+0x310/0x310 [ 419.900577] 0 [ 419.903676] ? warn_alloc+0x120/0x120 [ 419.908060] 0 [ 419.909857] ? print_usage_bug+0xc0/0xc0 [ 419.913627] 3503 [ 419.915423] ? warn_alloc+0x120/0x120 [ 419.919456] 3503 [ 419.921517] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 419.927342] ? print_usage_bug+0xc0/0xc0 [ 419.932333] Node 0 Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 419.936416] ? __lock_acquire+0x7ec/0x4ec0 [ 419.936432] ? __lock_acquire+0x7ec/0x4ec0 [ 419.965391] lowmem_reserve[]: [ 419.969634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.973833] 0 [ 419.976935] ? should_fail+0x22d/0xd01 [ 419.982441] 0 [ 419.984241] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.988104] 0 [ 419.989908] ? __lock_acquire+0x7ec/0x4ec0 [ 419.994983] 0 [ 419.996787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.002801] ? __lock_acquire+0x7ec/0x4ec0 [ 420.007884] Node 0 [ 420.012112] ? should_fail+0x22d/0xd01 [ 420.012122] DMA: [ 420.014351] ? print_usage_bug+0xc0/0xc0 [ 420.018460] 1*4kB [ 420.020529] ? mark_held_locks+0x130/0x130 [ 420.024556] (U) [ 420.026698] ? mark_held_locks+0x130/0x130 [ 420.030905] 0*8kB [ 420.032882] ? graph_lock+0x170/0x170 [ 420.037087] 0*16kB [ 420.039236] ? print_usage_bug+0xc0/0xc0 [ 420.043019] 1*32kB [ 420.045253] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 420.049286] (U) [ 420.051520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.056245] 2*64kB [ 420.058215] ? check_preemption_disabled+0x48/0x200 [ 420.063723] (U) [ 420.065953] ? check_preemption_disabled+0x48/0x200 [ 420.070943] 1*128kB [ 420.072921] ? __lock_is_held+0xb5/0x140 [ 420.077904] (U) [ 420.080226] __alloc_pages_nodemask+0xa80/0xde0 [ 420.084260] 1*256kB [ 420.086228] ? graph_lock+0x170/0x170 [ 420.090874] (U) [ 420.093195] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 420.096968] 0*512kB [ 420.098937] ? graph_lock+0x170/0x170 [ 420.104021] 1*1024kB [ 420.106347] ? find_held_lock+0x36/0x1c0 [ 420.110155] (U) [ 420.112577] ? ____cache_alloc_node+0x1c7/0x1e0 [ 420.116610] 1*2048kB (M) [ 420.118591] ? lock_downgrade+0x900/0x900 [ 420.123236] 3*4096kB (M) [ 420.126011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.130127] = 15908kB [ 420.132882] cache_grow_begin+0x91/0x8c0 [ 420.138388] Node 0 [ 420.140791] ? do_raw_spin_unlock+0xa7/0x2f0 [ 420.144823] DMA32: [ 420.147059] fallback_alloc+0x203/0x2e0 [ 420.151953] 3*4kB [ 420.154192] ____cache_alloc_node+0x1c7/0x1e0 [ 420.158135] (M) [ 420.160280] kmem_cache_alloc_node+0xe3/0x730 [ 420.164787] 2*8kB [ 420.166761] ? ipv6_get_ifaddr+0x42e/0x620 [ 420.171227] (M) [ 420.173376] __alloc_skb+0x119/0x770 [ 420.177575] 2*16kB [ 420.179550] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 420.183227] (UM) 1*32kB [ 420.185465] ? skb_scrub_packet+0x490/0x490 [ 420.190715] (M) [ 420.193377] ? lock_downgrade+0x900/0x900 [ 420.197669] 3*64kB [ 420.199642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.203760] (UM) [ 420.206004] ? refcount_sub_and_test_checked+0x203/0x310 [ 420.211512] 3*128kB [ 420.213569] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 420.218989] (M) [ 420.221316] ? addrconf_rs_timer+0x6f0/0x6f0 [ 420.226737] 2*256kB [ 420.228715] ndisc_alloc_skb+0x144/0x340 [ 420.233086] (M) [ 420.235409] ndisc_send_rs+0x331/0x6e0 [ 420.239444] 3*512kB [ 420.241413] addrconf_rs_timer+0x3c0/0x6f0 [ 420.245271] (M) [ 420.247590] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.251800] 4*1024kB [ 420.253779] call_timer_fn+0x272/0x920 [ 420.257979] (UM) [ 420.260389] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.264250] 3*2048kB [ 420.266308] ? process_timeout+0x40/0x40 [ 420.270512] (M) [ 420.272919] ? find_held_lock+0x36/0x1c0 [ 420.276952] 3*4096kB [ 420.278926] ? __run_timers+0x7da/0xc70 [ 420.282953] (M) [ 420.285357] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.289303] = 25244kB [ 420.291272] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.295742] Node 0 [ 420.298149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.302607] Normal: 1139*4kB [ 420.304849] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 420.309066] (MEH) [ 420.312170] ? trace_hardirqs_on+0xbd/0x310 [ 420.316723] 438*8kB [ 420.318867] ? kasan_check_read+0x11/0x20 [ 420.323160] (UME) [ 420.325479] ? __run_timers+0x7da/0xc70 [ 420.329604] 175*16kB [ 420.331747] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.335697] (UME) [ 420.338112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.343528] 64*32kB [ 420.345675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.349884] (UMEH) [ 420.352205] __run_timers+0x7e5/0xc70 [ 420.356413] 14*64kB [ 420.358654] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 420.362416] (UM) [ 420.364734] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 420.370069] 1*128kB [ 420.372128] ? graph_lock+0x170/0x170 [ 420.377119] (H) [ 420.379437] ? enqueue_hrtimer+0x1a5/0x560 [ 420.383213] 0*256kB [ 420.385181] ? lock_release+0x970/0x970 [ 420.389393] 0*512kB [ 420.391709] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 420.395658] 0*1024kB [ 420.397974] ? find_held_lock+0x36/0x1c0 [ 420.403140] 0*2048kB [ 420.405546] ? graph_lock+0x170/0x170 [ 420.409579] 0*4096kB [ 420.411987] ? pvclock_read_flags+0x160/0x160 [ 420.415768] = 13932kB [ 420.418172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.422646] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 420.425045] ? check_preemption_disabled+0x48/0x200 [ 420.430562] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 420.439393] ? __lock_is_held+0xb5/0x140 [ 420.444379] 788 total pagecache pages [ 420.452951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.456991] 0 pages in swap cache [ 420.460786] ? check_preemption_disabled+0x48/0x200 [ 420.466302] Swap cache stats: add 0, delete 0, find 0/0 [ 420.469751] run_timer_softirq+0x52/0xb0 [ 420.474737] Free swap = 0kB [ 420.480101] ? rcu_read_lock_sched_held+0x108/0x120 [ 420.484133] Total swap = 0kB [ 420.487147] __do_softirq+0x30b/0xad8 [ 420.492129] 1965979 pages RAM [ 420.495146] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 420.498913] 0 pages HighMem/MovableOnly [ 420.502024] ? pvclock_read_flags+0x160/0x160 [ 420.507092] 343323 pages reserved [ 420.507101] 0 pages cma reserved [ 420.511067] ? lapic_next_event+0x5a/0x90 [ 420.515632] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 420.518985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.522404] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.526468] ? check_preemption_disabled+0x48/0x200 [ 420.532935] syz-fuzzer cpuset= [ 420.538463] ? check_preemption_disabled+0x48/0x200 [ 420.548661] / [ 420.553674] ? kvm_clock_read+0x18/0x30 [ 420.556837] mems_allowed=0 [ 420.561840] ? kvm_sched_clock_read+0x9/0x20 [ 420.574805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.580345] ? check_preemption_disabled+0x48/0x200 [ 420.585376] irq_exit+0x17f/0x1c0 [ 420.588836] smp_apic_timer_interrupt+0x1cb/0x760 [ 420.593682] ? smp_reschedule_interrupt+0x109/0x650 [ 420.598703] ? smp_call_function_single_interrupt+0x650/0x650 [ 420.604591] ? interrupt_entry+0xb5/0xf0 [ 420.608655] ? trace_hardirqs_off_caller+0xbb/0x300 [ 420.613670] ? trace_hardirqs_off_caller+0xbb/0x300 [ 420.618690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.623534] ? trace_hardirqs_off+0x300/0x300 [ 420.628035] ? trace_hardirqs_off+0x300/0x300 [ 420.632532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.638068] ? check_preemption_disabled+0x48/0x200 [ 420.643091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.648640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.653504] apic_timer_interrupt+0xf/0x20 [ 420.657740] [ 420.659982] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 420.664951] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 420.683848] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 420.691561] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 420.698829] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 420.706102] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 420.713372] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 420.720637] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 420.727960] skb_clone+0x1bb/0x500 [ 420.731505] ? finish_task_switch+0x2f5/0x900 [ 420.736113] ? skb_split+0x11e0/0x11e0 [ 420.740011] ? preempt_notifier_register+0x200/0x200 [ 420.745119] ? __switch_to_asm+0x34/0x70 [ 420.749182] ? __switch_to_asm+0x34/0x70 [ 420.753244] ? __switch_to_asm+0x40/0x70 [ 420.757308] ? __switch_to_asm+0x34/0x70 [ 420.761367] ? __switch_to_asm+0x40/0x70 [ 420.765429] ? __switch_to_asm+0x34/0x70 [ 420.769487] ? __switch_to_asm+0x40/0x70 [ 420.773547] ? __switch_to_asm+0x34/0x70 [ 420.777610] ? __switch_to_asm+0x34/0x70 [ 420.781671] ? __switch_to_asm+0x40/0x70 [ 420.785731] ? __switch_to_asm+0x34/0x70 [ 420.789805] bpf_clone_redirect+0xb9/0x490 [ 420.794045] ? __schedule+0x874/0x1ed0 [ 420.797944] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 420.802965] ? __sched_text_start+0x8/0x8 [ 420.807131] ? retint_kernel+0x2d/0x2d [ 420.811035] ? find_held_lock+0x36/0x1c0 [ 420.815111] ? lock_acquire+0x1ed/0x520 [ 420.819094] ? bpf_test_run+0x32e/0x5a0 [ 420.823074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.828619] ? check_preemption_disabled+0x48/0x200 [ 420.833647] ? kasan_check_read+0x11/0x20 [ 420.837806] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 420.843092] ? rcu_bh_qs+0xc0/0xc0 [ 420.846638] ? preempt_schedule+0x4d/0x60 [ 420.850788] ? ___preempt_schedule+0x16/0x18 [ 420.855209] ? bpf_test_run+0x1c0/0x5a0 [ 420.859194] ? netlink_diag_dump+0x2a0/0x2a0 [ 420.863609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.869148] ? bpf_test_init.isra.9+0x70/0x100 [ 420.873734] ? bpf_prog_test_run_skb+0x634/0xb40 [ 420.878505] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 420.883353] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 420.888892] ? fput+0x130/0x1a0 [ 420.892173] ? __bpf_prog_get+0x9b/0x290 [ 420.896243] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 420.901085] ? bpf_prog_test_run+0x130/0x1a0 [ 420.905512] ? __x64_sys_bpf+0x3d8/0x510 [ 420.909574] ? bpf_prog_get+0x20/0x20 [ 420.913474] ? ksys_ioctl+0x81/0xd0 [ 420.917120] ? do_syscall_64+0x1b9/0x820 [ 420.921187] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 420.926555] ? syscall_return_slowpath+0x5e0/0x5e0 [ 420.931491] ? trace_hardirqs_off+0x300/0x300 [ 420.935988] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 420.941022] ? recalc_sigpending_tsk+0x180/0x180 [ 420.945779] ? kasan_check_write+0x14/0x20 [ 420.950027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.954883] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.960268] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 420.960368] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 420.967192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.967198] Call Trace: [ 420.967205] [ 420.967224] dump_stack+0x1c4/0x2b4 [ 420.967240] ? dump_stack_print_info.cold.2+0x52/0x52 [ 420.973814] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.983075] warn_alloc.cold.118+0xb7/0x1bd [ 420.985623] syz-executor6 cpuset= [ 420.987767] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 420.991367] syz6 [ 420.996552] ? lock_downgrade+0x900/0x900 [ 421.007019] mems_allowed=0 [ 421.011355] ? trace_hardirqs_off+0xb8/0x300 [ 421.033030] ? trace_hardirqs_off+0xb8/0x300 [ 421.037482] __alloc_pages_slowpath+0x2667/0x2d80 [ 421.042359] ? warn_alloc+0x120/0x120 [ 421.046169] ? warn_alloc+0x120/0x120 [ 421.049990] ? print_usage_bug+0xc0/0xc0 [ 421.054061] ? warn_alloc+0x120/0x120 [ 421.057861] ? print_usage_bug+0xc0/0xc0 [ 421.061927] ? __lock_acquire+0x7ec/0x4ec0 [ 421.066158] ? __lock_acquire+0x7ec/0x4ec0 [ 421.070400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.075941] ? should_fail+0x22d/0xd01 [ 421.079833] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.084936] ? __lock_acquire+0x7ec/0x4ec0 [ 421.089176] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.094275] ? __lock_acquire+0x7ec/0x4ec0 [ 421.098510] ? should_fail+0x22d/0xd01 [ 421.102495] ? mark_held_locks+0x130/0x130 [ 421.106734] ? mark_held_locks+0x130/0x130 [ 421.110968] ? graph_lock+0x170/0x170 [ 421.114777] ? graph_lock+0x170/0x170 [ 421.118578] ? graph_lock+0x170/0x170 [ 421.122388] ? print_usage_bug+0xc0/0xc0 [ 421.126453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.131994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.137542] ? check_preemption_disabled+0x48/0x200 [ 421.142557] ? check_preemption_disabled+0x48/0x200 [ 421.147598] ? __lock_is_held+0xb5/0x140 [ 421.151671] __alloc_pages_nodemask+0xa80/0xde0 [ 421.156339] ? graph_lock+0x170/0x170 [ 421.160143] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 421.165157] ? graph_lock+0x170/0x170 [ 421.168970] ? find_held_lock+0x36/0x1c0 [ 421.173054] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.177725] ? lock_downgrade+0x900/0x900 [ 421.181882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.187430] cache_grow_begin+0x91/0x8c0 [ 421.191497] ? do_raw_spin_unlock+0xa7/0x2f0 [ 421.195916] fallback_alloc+0x203/0x2e0 [ 421.199899] ____cache_alloc_node+0x1c7/0x1e0 [ 421.204405] kmem_cache_alloc_node+0xe3/0x730 [ 421.208903] ? ipv6_get_ifaddr+0x42e/0x620 [ 421.213152] __alloc_skb+0x119/0x770 [ 421.216872] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 421.222163] ? skb_scrub_packet+0x490/0x490 [ 421.226486] ? lock_downgrade+0x900/0x900 [ 421.230646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.236190] ? refcount_sub_and_test_checked+0x203/0x310 [ 421.241644] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 421.247105] ? addrconf_rs_timer+0x6f0/0x6f0 [ 421.251529] ndisc_alloc_skb+0x144/0x340 [ 421.255603] ndisc_send_rs+0x331/0x6e0 [ 421.259500] addrconf_rs_timer+0x3c0/0x6f0 [ 421.263753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.268628] call_timer_fn+0x272/0x920 [ 421.272519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.276753] ? process_timeout+0x40/0x40 [ 421.280811] ? find_held_lock+0x36/0x1c0 [ 421.284880] ? mark_held_locks+0xc7/0x130 [ 421.289039] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.293533] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.298035] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.302270] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 421.306858] ? trace_hardirqs_on+0xbd/0x310 [ 421.311179] ? kasan_check_read+0x11/0x20 [ 421.315329] ? __run_timers+0x7da/0xc70 [ 421.319307] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.324761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.329011] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.333248] __run_timers+0x7e5/0xc70 [ 421.337066] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 421.342433] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 421.347710] ? rcu_bh_qs+0xc0/0xc0 [ 421.351256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.356802] ? mark_held_locks+0xc7/0x130 [ 421.360955] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 421.365717] ? retint_kernel+0x2d/0x2d [ 421.369612] ? trace_hardirqs_on_caller+0xc0/0x300 [ 421.374545] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 421.379300] ? trace_hardirqs_off_caller+0x300/0x300 [ 421.384421] ? check_preemption_disabled+0x48/0x200 [ 421.389437] ? graph_lock+0x170/0x170 [ 421.393246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.398782] ? check_preemption_disabled+0x48/0x200 [ 421.403810] ? __lock_is_held+0xb5/0x140 [ 421.407872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.413408] ? check_preemption_disabled+0x48/0x200 [ 421.418435] run_timer_softirq+0x52/0xb0 [ 421.422500] ? rcu_read_lock_sched_held+0x108/0x120 [ 421.427521] __do_softirq+0x30b/0xad8 [ 421.431335] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 421.436446] ? pvclock_read_flags+0x160/0x160 [ 421.440940] ? lapic_next_event+0x5a/0x90 [ 421.445091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.450646] ? check_preemption_disabled+0x48/0x200 [ 421.455658] ? check_preemption_disabled+0x48/0x200 [ 421.460684] ? kvm_clock_read+0x18/0x30 [ 421.464657] ? kvm_sched_clock_read+0x9/0x20 [ 421.469102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.474640] ? check_preemption_disabled+0x48/0x200 [ 421.479670] irq_exit+0x17f/0x1c0 [ 421.483130] smp_apic_timer_interrupt+0x1cb/0x760 [ 421.487976] ? smp_call_function_single_interrupt+0x650/0x650 [ 421.493871] ? interrupt_entry+0xb5/0xf0 [ 421.497951] ? trace_hardirqs_off_caller+0xbb/0x300 [ 421.502965] ? trace_hardirqs_off_caller+0xbb/0x300 [ 421.507992] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.512848] ? trace_hardirqs_off+0x300/0x300 [ 421.517343] ? trace_hardirqs_off+0x300/0x300 [ 421.521841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.527380] ? check_preemption_disabled+0x48/0x200 [ 421.532396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.537944] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.542803] apic_timer_interrupt+0xf/0x20 [ 421.547032] [ 421.549271] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 421.554551] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 421.573451] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 421.581164] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 421.588432] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 421.595699] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 421.602963] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 421.610231] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 421.617525] ? arch_local_irq_restore+0x45/0x52 [ 421.622208] dump_stack+0x26a/0x2b4 [ 421.625838] ? dump_stack_print_info.cold.2+0x52/0x52 [ 421.631037] ? mark_held_locks+0x130/0x130 [ 421.635276] ? mark_held_locks+0x130/0x130 [ 421.639522] dump_header+0x27b/0xf72 [ 421.643252] ? pagefault_out_of_memory+0x197/0x197 [ 421.648190] ? mark_held_locks+0x130/0x130 [ 421.652428] ? __lock_acquire+0x7ec/0x4ec0 [ 421.656663] ? mem_cgroup_charge_statistics+0x780/0x780 [ 421.662033] ? print_usage_bug+0xc0/0xc0 [ 421.666098] ? print_usage_bug+0xc0/0xc0 [ 421.670167] ? graph_lock+0x170/0x170 [ 421.673967] ? graph_lock+0x170/0x170 [ 421.677777] ? print_usage_bug+0xc0/0xc0 [ 421.681838] ? print_usage_bug+0xc0/0xc0 [ 421.685908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.691450] ? find_held_lock+0x36/0x1c0 [ 421.695521] ? mark_held_locks+0xc7/0x130 [ 421.699672] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 421.704775] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 421.709876] ? lockdep_hardirqs_on+0x421/0x5c0 [ 421.714462] ? trace_hardirqs_on+0xbd/0x310 [ 421.718780] ? kasan_check_read+0x11/0x20 [ 421.722931] ? ___ratelimit+0x36f/0x655 [ 421.726906] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.732360] ? trace_hardirqs_on+0x310/0x310 [ 421.736772] ? lock_downgrade+0x900/0x900 [ 421.740926] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.746040] ? ___ratelimit+0xaa/0x655 [ 421.749929] ? idr_get_free+0xec0/0xec0 [ 421.753903] ? kasan_check_write+0x14/0x20 [ 421.758153] ? do_raw_spin_lock+0xc1/0x200 [ 421.762398] oom_kill_process.cold.27+0x10/0x903 [ 421.767156] ? graph_lock+0x170/0x170 [ 421.770959] ? _raw_spin_unlock+0x2c/0x50 [ 421.775108] ? oom_badness+0xe6/0xaa0 [ 421.778919] ? oom_evaluate_task+0x540/0x540 [ 421.783331] ? find_held_lock+0x36/0x1c0 [ 421.787401] ? out_of_memory+0x974/0x14c0 [ 421.791555] ? lock_downgrade+0x900/0x900 [ 421.795701] ? check_preemption_disabled+0x48/0x200 [ 421.800725] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 421.806523] ? kasan_check_read+0x11/0x20 [ 421.810671] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 421.815952] ? rcu_bh_qs+0xc0/0xc0 [ 421.819499] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 421.824518] ? oom_evaluate_task+0x302/0x540 [ 421.828934] out_of_memory+0xa86/0x14c0 [ 421.832921] ? oom_killer_disable+0x3a0/0x3a0 [ 421.837421] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 421.842358] ? __mutex_add_waiter+0x2a0/0x2a0 [ 421.846870] __alloc_pages_slowpath+0x2318/0x2d80 [ 421.851749] ? warn_alloc+0x120/0x120 [ 421.855569] ? find_get_entry+0x2f2/0xc40 [ 421.859746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.865288] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 421.870216] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.875756] ? should_fail+0x22d/0xd01 [ 421.879647] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.884928] ? __lock_is_held+0xb5/0x140 [ 421.889027] ? __lock_is_held+0xb5/0x140 [ 421.893103] ? find_held_lock+0x36/0x1c0 [ 421.897174] ? ___might_sleep+0x1ed/0x300 [ 421.901325] ? lock_release+0x970/0x970 [ 421.905307] ? arch_local_save_flags+0x40/0x40 [ 421.909907] ? __might_sleep+0x95/0x190 [ 421.913893] __alloc_pages_nodemask+0xa80/0xde0 [ 421.918574] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 421.923607] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 421.929406] ? kasan_check_read+0x11/0x20 [ 421.933559] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 421.938850] ? graph_lock+0x170/0x170 [ 421.942656] ? print_usage_bug+0xc0/0xc0 [ 421.946725] ? graph_lock+0x170/0x170 [ 421.950525] ? graph_lock+0x170/0x170 [ 421.954328] ? __do_page_cache_readahead+0x7ce/0x980 [ 421.959440] ? find_held_lock+0x36/0x1c0 [ 421.963512] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 421.969060] alloc_pages_current+0x10c/0x210 [ 421.973470] ? lock_downgrade+0x900/0x900 [ 421.977629] __page_cache_alloc+0x38f/0x5b0 [ 421.981957] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 421.987753] ? kasan_check_read+0x11/0x20 [ 421.991900] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 421.997179] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 422.001854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.007395] ? check_preemption_disabled+0x48/0x200 [ 422.012421] filemap_fault+0x1594/0x25f0 [ 422.016498] ? __lock_page_or_retry+0xa00/0xa00 [ 422.021424] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 422.027222] ? kasan_check_read+0x11/0x20 [ 422.031374] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 422.036655] ? rcu_bh_qs+0xc0/0xc0 [ 422.040212] ? filemap_map_pages+0xdea/0x1980 [ 422.044713] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.049821] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 422.055096] ? debug_object_free+0x325/0x690 [ 422.059513] ? find_get_pages_range_tag+0x1320/0x1320 [ 422.064706] ? graph_lock+0x170/0x170 [ 422.068516] ? kasan_check_read+0x11/0x20 [ 422.072663] ? debug_object_destroy+0x2b0/0x2b0 [ 422.077344] ? lock_acquire+0x1ed/0x520 [ 422.081323] ? ext4_filemap_fault+0x7a/0xad [ 422.085669] ? lock_release+0x970/0x970 [ 422.089650] ? arch_local_save_flags+0x40/0x40 [ 422.094238] ? futex_wait_setup+0x3e0/0x3e0 [ 422.098574] ? down_read+0xb0/0x1d0 [ 422.102209] ? ext4_filemap_fault+0x7a/0xad [ 422.106543] ? __down_interruptible+0x700/0x700 [ 422.111241] ext4_filemap_fault+0x82/0xad [ 422.115399] __do_fault+0x100/0x6b0 [ 422.119044] ? print_bad_pte+0x6c0/0x6c0 [ 422.123115] ? do_futex+0x249/0x26d0 [ 422.126839] ? kasan_check_read+0x11/0x20 [ 422.130991] ? pmd_val+0x88/0x100 [ 422.134463] ? add_mm_counter_fast+0xd0/0xd0 [ 422.138878] ? pmd_val+0x88/0x100 [ 422.142336] ? add_mm_counter_fast+0xd0/0xd0 [ 422.146756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.152828] __handle_mm_fault+0x3709/0x53e0 [ 422.157243] ? perf_trace_lock+0x14d/0x7a0 [ 422.161492] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 422.166344] ? graph_lock+0x170/0x170 [ 422.170647] ? print_usage_bug+0xc0/0xc0 [ 422.174718] ? graph_lock+0x170/0x170 [ 422.178520] ? graph_lock+0x170/0x170 [ 422.182361] ? handle_mm_fault+0x42a/0xc70 [ 422.186622] ? lock_downgrade+0x900/0x900 [ 422.190788] ? check_preemption_disabled+0x48/0x200 [ 422.195848] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 422.201655] ? kasan_check_read+0x11/0x20 [ 422.205814] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 422.211110] ? rcu_bh_qs+0xc0/0xc0 [ 422.214670] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.220156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.225726] ? check_preemption_disabled+0x48/0x200 [ 422.230796] handle_mm_fault+0x54f/0xc70 [ 422.234900] ? __handle_mm_fault+0x53e0/0x53e0 [ 422.239526] ? find_vma+0x34/0x190 [ 422.243098] __do_page_fault+0x67d/0xed0 [ 422.247188] ? mm_fault_error+0x380/0x380 [ 422.251351] ? trace_hardirqs_off+0xb8/0x300 [ 422.255773] ? trace_hardirqs_on+0x310/0x310 [ 422.260197] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.265581] ? trace_hardirqs_on+0x310/0x310 [ 422.270020] do_page_fault+0xf2/0x7e0 [ 422.273837] ? vmalloc_sync_all+0x30/0x30 [ 422.277994] ? error_entry+0x70/0xd0 [ 422.281732] ? trace_hardirqs_off_caller+0xbb/0x300 [ 422.286756] ? trace_hardirqs_on_caller+0xc0/0x300 [ 422.291692] ? syscall_return_slowpath+0x5e0/0x5e0 [ 422.296644] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.301503] ? trace_hardirqs_off+0x300/0x300 [ 422.306027] ? trace_hardirqs_off_caller+0x300/0x300 [ 422.311167] ? prepare_exit_to_usermode+0x291/0x3b0 [ 422.316197] ? page_fault+0x8/0x30 [ 422.319746] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.324612] ? page_fault+0x8/0x30 [ 422.328162] page_fault+0x1e/0x30 [ 422.331622] RIP: 0033:0x45ddf3 [ 422.334827] Code: Bad RIP value. [ 422.338190] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 422.343555] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 422.350825] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 422.358098] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 422.365378] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 422.372655] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 422.379964] warn_alloc_show_mem: 1 callbacks suppressed [ 422.379978] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 422.379980] Mem-Info: [ 422.380022] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 422.380022] active_file:16 inactive_file:17 isolated_file:0 [ 422.380022] unevictable:0 dirty:0 writeback:0 unstable:0 [ 422.380022] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 422.380022] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 422.380022] free:13771 free_pcp:233 free_cma:0 [ 422.385365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.385374] Call Trace: [ 422.392660] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 422.395060] [ 422.427941] Node 0 [ 422.437312] dump_stack+0x1c4/0x2b4 [ 422.439884] 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 [ 422.467544] ? dump_stack_print_info.cold.2+0x52/0x52 [ 422.469663] lowmem_reserve[]: [ 422.471903] warn_alloc.cold.118+0xb7/0x1bd [ 422.475494] 0 [ 422.501026] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.506184] 2815 [ 422.509285] ? lock_downgrade+0x900/0x900 [ 422.513574] 6318 6318 [ 422.515387] ? trace_hardirqs_off+0xb8/0x300 [ 422.520202] Node 0 [ 422.522268] ? trace_hardirqs_off+0xb8/0x300 [ 422.526411] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 422.528889] __alloc_pages_slowpath+0x2667/0x2d80 [ 422.533253] lowmem_reserve[]: 0 [ 422.535526] ? warn_alloc+0x120/0x120 [ 422.539879] 0 3503 [ 422.566645] ? trace_hardirqs_on+0x310/0x310 [ 422.571461] 3503 [ 422.574742] ? warn_alloc+0x120/0x120 [ 422.580747] ? print_usage_bug+0xc0/0xc0 [ 422.585123] Node 0 [ 422.587182] ? warn_alloc+0x120/0x120 [ 422.590979] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 422.595046] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 422.597251] lowmem_reserve[]: [ 422.601049] ? print_usage_bug+0xc0/0xc0 [ 422.629396] 0 0 [ 422.634438] ? __lock_acquire+0x7ec/0x4ec0 [ 422.637511] 0 [ 422.641572] ? __lock_acquire+0x7ec/0x4ec0 [ 422.643518] 0 [ 422.647757] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.653783] ? should_fail+0x22d/0xd01 [ 422.655556] Node 0 [ 422.661101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.664955] DMA: [ 422.667189] ? __lock_acquire+0x7ec/0x4ec0 [ 422.672264] 1*4kB [ 422.674329] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.678535] (U) [ 422.680687] ? __lock_acquire+0x7ec/0x4ec0 [ 422.685765] 0*8kB [ 422.687737] ? should_fail+0x22d/0xd01 [ 422.691935] 0*16kB 1*32kB [ 422.694109] ? print_usage_bug+0xc0/0xc0 [ 422.697965] (U) 2*64kB [ 422.700838] ? mark_held_locks+0x130/0x130 [ 422.704859] (U) [ 422.707446] ? mark_held_locks+0x130/0x130 [ 422.711646] 1*128kB [ 422.713622] ? graph_lock+0x170/0x170 [ 422.717829] (U) [ 422.720152] ? print_usage_bug+0xc0/0xc0 [ 422.723915] 1*256kB (U) [ 422.725898] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 422.729923] 0*512kB 1*1024kB [ 422.732604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.737334] (U) [ 422.740454] ? check_preemption_disabled+0x48/0x200 [ 422.745983] 1*2048kB [ 422.747964] ? check_preemption_disabled+0x48/0x200 [ 422.753223] (M) [ 422.755639] ? __lock_is_held+0xb5/0x140 [ 422.760620] 3*4096kB [ 422.762596] __alloc_pages_nodemask+0xa80/0xde0 [ 422.766630] (M) [ 422.769037] ? graph_lock+0x170/0x170 [ 422.773671] = 15908kB [ 422.773679] Node 0 [ 422.775658] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 422.779430] DMA32: [ 422.781836] ? graph_lock+0x170/0x170 [ 422.784046] 3*4kB [ 422.789065] ? find_held_lock+0x36/0x1c0 [ 422.791266] (M) [ 422.795073] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.797192] 2*8kB [ 422.801249] ? lock_downgrade+0x900/0x900 [ 422.803197] (M) [ 422.808220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.810338] 2*16kB [ 422.814490] cache_grow_begin+0x91/0x8c0 [ 422.816434] (UM) [ 422.821974] ? do_raw_spin_unlock+0xa7/0x2f0 [ 422.824185] 1*32kB [ 422.828249] fallback_alloc+0x203/0x2e0 [ 422.830278] (M) [ 422.834689] ____cache_alloc_node+0x1c7/0x1e0 [ 422.836898] 3*64kB [ 422.840870] kmem_cache_alloc_node+0xe3/0x730 [ 422.842814] (UM) [ 422.847308] ? ipv6_get_ifaddr+0x42e/0x620 [ 422.849518] 3*128kB [ 422.854024] __alloc_skb+0x119/0x770 [ 422.856052] (M) [ 422.860285] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 422.862581] 2*256kB [ 422.866292] ? skb_scrub_packet+0x490/0x490 [ 422.868236] (M) [ 422.873510] ? lock_downgrade+0x900/0x900 [ 422.875806] 3*512kB [ 422.880134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.882077] (M) [ 422.886243] ? refcount_sub_and_test_checked+0x203/0x310 [ 422.888555] 4*1024kB [ 422.894095] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 422.896037] (UM) [ 422.901489] ? addrconf_rs_timer+0x6f0/0x6f0 [ 422.903870] 3*2048kB [ 422.909327] ndisc_alloc_skb+0x144/0x340 [ 422.911354] (M) [ 422.915761] ndisc_send_rs+0x331/0x6e0 [ 422.918140] 3*4096kB [ 422.922215] addrconf_rs_timer+0x3c0/0x6f0 [ 422.924157] (M) [ 422.928042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.930427] = 25244kB [ 422.934669] call_timer_fn+0x272/0x920 [ 422.936613] Node 0 [ 422.940862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.943245] Normal: [ 422.947134] ? process_timeout+0x40/0x40 [ 422.949342] 1139*4kB [ 422.953570] ? find_held_lock+0x36/0x1c0 [ 422.953595] ? __run_timers+0x7da/0xc70 [ 422.955898] (MEH) [ 422.959961] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.962343] 438*8kB [ 422.966405] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.970353] (UME) [ 422.972505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.976974] 175*16kB [ 422.979297] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 422.983761] (UME) [ 422.985910] ? trace_hardirqs_on+0xbd/0x310 [ 422.990121] 64*32kB [ 422.992529] ? kasan_check_read+0x11/0x20 [ 422.997086] (UMEH) [ 422.999240] ? __run_timers+0x7da/0xc70 [ 423.003525] 14*64kB (UM) [ 423.005857] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.009977] 1*128kB [ 423.012221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.016160] (H) [ 423.019321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.024737] 0*256kB 0*512kB [ 423.027070] __run_timers+0x7e5/0xc70 [ 423.031267] 0*1024kB 0*2048kB [ 423.033261] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 423.037448] 0*4096kB = 13932kB [ 423.040473] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 423.044252] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 423.047432] ? graph_lock+0x170/0x170 [ 423.052773] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 423.055958] ? enqueue_hrtimer+0x1a5/0x560 [ 423.060949] 788 total pagecache pages [ 423.069784] ? lock_release+0x970/0x970 [ 423.073564] 0 pages in swap cache [ 423.082132] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 423.086341] Swap cache stats: add 0, delete 0, find 0/0 [ 423.090140] ? find_held_lock+0x36/0x1c0 [ 423.094079] Free swap = 0kB [ 423.097531] ? graph_lock+0x170/0x170 [ 423.102692] Total swap = 0kB [ 423.108050] ? pvclock_read_flags+0x160/0x160 [ 423.112083] 1965979 pages RAM [ 423.115127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.118902] 0 pages HighMem/MovableOnly [ 423.121916] ? check_preemption_disabled+0x48/0x200 [ 423.126395] 343323 pages reserved [ 423.126404] 0 pages cma reserved [ 423.129517] ? __lock_is_held+0xb5/0x140 [ 423.135139] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 423.139017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.144144] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.147461] ? check_preemption_disabled+0x48/0x200 [ 423.151250] syz-fuzzer cpuset= [ 423.155312] run_timer_softirq+0x52/0xb0 [ 423.161774] / [ 423.167315] ? rcu_read_lock_sched_held+0x108/0x120 [ 423.177520] mems_allowed=0 [ 423.182541] __do_softirq+0x30b/0xad8 [ 423.203186] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 423.208305] ? pvclock_read_flags+0x160/0x160 [ 423.212806] ? lapic_next_event+0x5a/0x90 [ 423.216960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.222502] ? check_preemption_disabled+0x48/0x200 [ 423.227521] ? check_preemption_disabled+0x48/0x200 [ 423.232551] ? kvm_clock_read+0x18/0x30 [ 423.236533] ? kvm_sched_clock_read+0x9/0x20 [ 423.240948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.246489] ? check_preemption_disabled+0x48/0x200 [ 423.251526] irq_exit+0x17f/0x1c0 [ 423.254994] smp_apic_timer_interrupt+0x1cb/0x760 [ 423.259855] ? smp_reschedule_interrupt+0x109/0x650 [ 423.264888] ? smp_call_function_single_interrupt+0x650/0x650 [ 423.270782] ? interrupt_entry+0xb5/0xf0 [ 423.274850] ? trace_hardirqs_off_caller+0xbb/0x300 [ 423.279869] ? trace_hardirqs_off_caller+0xbb/0x300 [ 423.284891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.289736] ? trace_hardirqs_off+0x300/0x300 [ 423.294232] ? trace_hardirqs_off+0x300/0x300 [ 423.298735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.304278] ? check_preemption_disabled+0x48/0x200 [ 423.309298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.314851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.319710] apic_timer_interrupt+0xf/0x20 [ 423.323950] [ 423.326192] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 423.331132] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 423.350047] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 423.357774] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 423.365051] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 423.372338] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 423.379615] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 423.386893] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 423.394243] skb_clone+0x1bb/0x500 [ 423.397797] ? finish_task_switch+0x2f5/0x900 [ 423.402300] ? skb_split+0x11e0/0x11e0 [ 423.406195] ? preempt_notifier_register+0x200/0x200 [ 423.411306] ? __switch_to_asm+0x34/0x70 [ 423.415376] ? __switch_to_asm+0x34/0x70 [ 423.419442] ? __switch_to_asm+0x40/0x70 [ 423.423517] ? __switch_to_asm+0x34/0x70 [ 423.427583] ? __switch_to_asm+0x40/0x70 [ 423.431645] ? __switch_to_asm+0x34/0x70 [ 423.435708] ? __switch_to_asm+0x40/0x70 [ 423.439769] ? __switch_to_asm+0x34/0x70 [ 423.443836] ? __switch_to_asm+0x34/0x70 [ 423.447901] ? __switch_to_asm+0x40/0x70 [ 423.451964] ? __switch_to_asm+0x34/0x70 [ 423.456048] bpf_clone_redirect+0xb9/0x490 [ 423.460294] ? __schedule+0x874/0x1ed0 [ 423.464284] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 423.469311] ? __sched_text_start+0x8/0x8 [ 423.473465] ? retint_kernel+0x2d/0x2d [ 423.477368] ? find_held_lock+0x36/0x1c0 [ 423.481442] ? lock_acquire+0x1ed/0x520 [ 423.485423] ? bpf_test_run+0x32e/0x5a0 [ 423.489405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.494947] ? check_preemption_disabled+0x48/0x200 [ 423.499973] ? kasan_check_read+0x11/0x20 [ 423.504141] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 423.509425] ? rcu_bh_qs+0xc0/0xc0 [ 423.512975] ? preempt_schedule+0x4d/0x60 [ 423.517141] ? ___preempt_schedule+0x16/0x18 [ 423.521562] ? bpf_test_run+0x1c0/0x5a0 [ 423.525552] ? netlink_diag_dump+0x2a0/0x2a0 [ 423.529967] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.535514] ? bpf_test_init.isra.9+0x70/0x100 [ 423.540110] ? bpf_prog_test_run_skb+0x634/0xb40 [ 423.544892] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 423.549753] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 423.555306] ? fput+0x130/0x1a0 [ 423.558591] ? __bpf_prog_get+0x9b/0x290 [ 423.562663] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 423.567509] ? bpf_prog_test_run+0x130/0x1a0 [ 423.571929] ? __x64_sys_bpf+0x3d8/0x510 [ 423.575995] ? bpf_prog_get+0x20/0x20 [ 423.579819] ? ksys_ioctl+0x81/0xd0 [ 423.583461] ? do_syscall_64+0x1b9/0x820 [ 423.587531] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 423.592915] ? syscall_return_slowpath+0x5e0/0x5e0 [ 423.597865] ? trace_hardirqs_off+0x300/0x300 [ 423.602377] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 423.607405] ? recalc_sigpending_tsk+0x180/0x180 [ 423.612173] ? kasan_check_write+0x14/0x20 [ 423.616423] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.621282] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.626682] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 423.626775] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 423.633616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.633621] Call Trace: [ 423.633629] [ 423.633650] dump_stack+0x1c4/0x2b4 [ 423.633664] ? dump_stack_print_info.cold.2+0x52/0x52 [ 423.633691] warn_alloc.cold.118+0xb7/0x1bd [ 423.633708] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.640265] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.649552] ? lock_downgrade+0x900/0x900 [ 423.652113] syz-executor6 cpuset= [ 423.654261] ? trace_hardirqs_off+0xb8/0x300 [ 423.657853] syz6 [ 423.663048] ? trace_hardirqs_off+0xb8/0x300 [ 423.667343] mems_allowed=0 [ 423.672185] __alloc_pages_slowpath+0x2667/0x2d80 [ 423.708771] ? warn_alloc+0x120/0x120 [ 423.712588] ? trace_hardirqs_on+0x310/0x310 [ 423.717013] ? warn_alloc+0x120/0x120 [ 423.720822] ? print_usage_bug+0xc0/0xc0 [ 423.724887] ? warn_alloc+0x120/0x120 [ 423.728688] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 423.733712] ? print_usage_bug+0xc0/0xc0 [ 423.737778] ? __lock_acquire+0x7ec/0x4ec0 [ 423.742023] ? __lock_acquire+0x7ec/0x4ec0 [ 423.746264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.751813] ? should_fail+0x22d/0xd01 [ 423.755707] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.760817] ? __lock_acquire+0x7ec/0x4ec0 [ 423.765065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.770168] ? __lock_acquire+0x7ec/0x4ec0 [ 423.774405] ? should_fail+0x22d/0xd01 [ 423.778297] ? print_usage_bug+0xc0/0xc0 [ 423.782371] ? mark_held_locks+0x130/0x130 [ 423.786617] ? mark_held_locks+0x130/0x130 [ 423.790862] ? graph_lock+0x170/0x170 [ 423.794662] ? print_usage_bug+0xc0/0xc0 [ 423.798729] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 423.803495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.809037] ? check_preemption_disabled+0x48/0x200 [ 423.814056] ? check_preemption_disabled+0x48/0x200 [ 423.819089] ? __lock_is_held+0xb5/0x140 [ 423.823166] __alloc_pages_nodemask+0xa80/0xde0 [ 423.827838] ? graph_lock+0x170/0x170 [ 423.831648] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 423.836668] ? graph_lock+0x170/0x170 [ 423.840484] ? find_held_lock+0x36/0x1c0 [ 423.844563] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.849244] ? lock_downgrade+0x900/0x900 [ 423.853405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.858957] cache_grow_begin+0x91/0x8c0 [ 423.863034] ? do_raw_spin_unlock+0xa7/0x2f0 [ 423.867460] fallback_alloc+0x203/0x2e0 [ 423.871446] ____cache_alloc_node+0x1c7/0x1e0 [ 423.875959] kmem_cache_alloc_node+0xe3/0x730 [ 423.880472] ? ipv6_get_ifaddr+0x42e/0x620 [ 423.884731] __alloc_skb+0x119/0x770 [ 423.888454] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 423.893752] ? skb_scrub_packet+0x490/0x490 [ 423.898092] ? lock_downgrade+0x900/0x900 [ 423.902260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.907816] ? refcount_sub_and_test_checked+0x203/0x310 [ 423.913281] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 423.918739] ? addrconf_rs_timer+0x6f0/0x6f0 [ 423.923164] ndisc_alloc_skb+0x144/0x340 [ 423.927237] ndisc_send_rs+0x331/0x6e0 [ 423.931141] addrconf_rs_timer+0x3c0/0x6f0 [ 423.935389] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.939643] call_timer_fn+0x272/0x920 [ 423.943536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.947776] ? process_timeout+0x40/0x40 [ 423.951839] ? find_held_lock+0x36/0x1c0 [ 423.955916] ? mark_held_locks+0xc7/0x130 [ 423.960076] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.964580] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.969085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.973330] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 423.977928] ? trace_hardirqs_on+0xbd/0x310 [ 423.982255] ? kasan_check_read+0x11/0x20 [ 423.986413] ? __run_timers+0x7da/0xc70 [ 423.990399] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.995863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.000112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 424.004354] __run_timers+0x7e5/0xc70 [ 424.008200] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 424.013570] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.019170] ? rcu_bh_qs+0xc0/0xc0 [ 424.022720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.028268] ? mark_held_locks+0xc7/0x130 [ 424.032425] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 424.037194] ? retint_kernel+0x2d/0x2d [ 424.041090] ? trace_hardirqs_on_caller+0xc0/0x300 [ 424.046035] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 424.050801] ? trace_hardirqs_off_caller+0x300/0x300 [ 424.055916] ? check_preemption_disabled+0x48/0x200 [ 424.060949] ? graph_lock+0x170/0x170 [ 424.064764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.070310] ? check_preemption_disabled+0x48/0x200 [ 424.075381] ? __lock_is_held+0xb5/0x140 [ 424.079454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.085015] ? check_preemption_disabled+0x48/0x200 [ 424.090065] run_timer_softirq+0x52/0xb0 [ 424.094142] ? rcu_read_lock_sched_held+0x108/0x120 [ 424.099187] __do_softirq+0x30b/0xad8 [ 424.103029] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 424.108154] ? pvclock_read_flags+0x160/0x160 [ 424.112681] ? lapic_next_event+0x5a/0x90 [ 424.116845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.122395] ? check_preemption_disabled+0x48/0x200 [ 424.127418] ? check_preemption_disabled+0x48/0x200 [ 424.132449] ? kvm_clock_read+0x18/0x30 [ 424.136432] ? kvm_sched_clock_read+0x9/0x20 [ 424.140850] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.146416] ? check_preemption_disabled+0x48/0x200 [ 424.152416] irq_exit+0x17f/0x1c0 [ 424.155898] smp_apic_timer_interrupt+0x1cb/0x760 [ 424.160772] ? smp_call_function_single_interrupt+0x650/0x650 [ 424.166681] ? interrupt_entry+0xb5/0xf0 [ 424.170766] ? trace_hardirqs_off_caller+0xbb/0x300 [ 424.175802] ? trace_hardirqs_off_caller+0xbb/0x300 [ 424.180842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.185707] ? trace_hardirqs_off+0x300/0x300 [ 424.190222] ? trace_hardirqs_off+0x300/0x300 [ 424.194740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.200298] ? check_preemption_disabled+0x48/0x200 [ 424.205338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.210929] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.215804] apic_timer_interrupt+0xf/0x20 [ 424.220047] [ 424.222301] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 424.227597] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 424.246518] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 424.254251] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 424.261540] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 424.268827] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 424.276116] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 424.283403] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 424.290721] ? arch_local_irq_restore+0x45/0x52 [ 424.295422] dump_stack+0x26a/0x2b4 [ 424.299063] ? dump_stack_print_info.cold.2+0x52/0x52 [ 424.304267] ? mark_held_locks+0x130/0x130 [ 424.308507] ? mark_held_locks+0x130/0x130 [ 424.312756] dump_header+0x27b/0xf72 [ 424.316671] ? pagefault_out_of_memory+0x197/0x197 [ 424.321624] ? mark_held_locks+0x130/0x130 [ 424.325871] ? __lock_acquire+0x7ec/0x4ec0 [ 424.330127] ? mem_cgroup_charge_statistics+0x780/0x780 [ 424.335509] ? print_usage_bug+0xc0/0xc0 [ 424.339598] ? print_usage_bug+0xc0/0xc0 [ 424.343679] ? graph_lock+0x170/0x170 [ 424.347487] ? graph_lock+0x170/0x170 [ 424.351301] ? print_usage_bug+0xc0/0xc0 [ 424.355366] ? print_usage_bug+0xc0/0xc0 [ 424.359448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.365013] ? find_held_lock+0x36/0x1c0 [ 424.369098] ? mark_held_locks+0xc7/0x130 [ 424.373271] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.378400] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.383547] ? lockdep_hardirqs_on+0x421/0x5c0 [ 424.388147] ? trace_hardirqs_on+0xbd/0x310 [ 424.392484] ? kasan_check_read+0x11/0x20 [ 424.396657] ? ___ratelimit+0x36f/0x655 [ 424.400644] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.406102] ? trace_hardirqs_on+0x310/0x310 [ 424.410517] ? lock_downgrade+0x900/0x900 [ 424.414676] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.419804] ? ___ratelimit+0xaa/0x655 [ 424.423714] ? idr_get_free+0xec0/0xec0 [ 424.427691] ? kasan_check_write+0x14/0x20 [ 424.431933] ? do_raw_spin_lock+0xc1/0x200 [ 424.436184] oom_kill_process.cold.27+0x10/0x903 [ 424.440948] ? graph_lock+0x170/0x170 [ 424.444750] ? _raw_spin_unlock+0x2c/0x50 [ 424.448902] ? oom_badness+0xe6/0xaa0 [ 424.452710] ? oom_evaluate_task+0x540/0x540 [ 424.457126] ? find_held_lock+0x36/0x1c0 [ 424.461202] ? out_of_memory+0x974/0x14c0 [ 424.465356] ? lock_downgrade+0x900/0x900 [ 424.469507] ? check_preemption_disabled+0x48/0x200 [ 424.474554] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 424.480357] ? kasan_check_read+0x11/0x20 [ 424.484511] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.489792] ? rcu_bh_qs+0xc0/0xc0 [ 424.493344] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 424.498363] ? oom_evaluate_task+0x302/0x540 [ 424.502777] out_of_memory+0xa86/0x14c0 [ 424.506767] ? oom_killer_disable+0x3a0/0x3a0 [ 424.511267] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 424.516205] ? __mutex_add_waiter+0x2a0/0x2a0 [ 424.520716] __alloc_pages_slowpath+0x2318/0x2d80 [ 424.525619] ? warn_alloc+0x120/0x120 [ 424.529437] ? find_get_entry+0x2f2/0xc40 [ 424.533610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.539154] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 424.544089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.549631] ? should_fail+0x22d/0xd01 [ 424.553526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.558638] ? __lock_is_held+0xb5/0x140 [ 424.562731] ? __lock_is_held+0xb5/0x140 [ 424.566806] ? find_held_lock+0x36/0x1c0 [ 424.570874] ? ___might_sleep+0x1ed/0x300 [ 424.575033] ? lock_release+0x970/0x970 [ 424.579024] ? arch_local_save_flags+0x40/0x40 [ 424.583632] ? __might_sleep+0x95/0x190 [ 424.587625] __alloc_pages_nodemask+0xa80/0xde0 [ 424.592311] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 424.597340] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 424.603139] ? kasan_check_read+0x11/0x20 [ 424.607294] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.612583] ? graph_lock+0x170/0x170 [ 424.616399] ? print_usage_bug+0xc0/0xc0 [ 424.620474] ? graph_lock+0x170/0x170 [ 424.624279] ? graph_lock+0x170/0x170 [ 424.628086] ? __do_page_cache_readahead+0x7ce/0x980 [ 424.633206] ? find_held_lock+0x36/0x1c0 [ 424.637284] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 424.642841] alloc_pages_current+0x10c/0x210 [ 424.647258] ? lock_downgrade+0x900/0x900 [ 424.651423] __page_cache_alloc+0x38f/0x5b0 [ 424.655757] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 424.661560] ? kasan_check_read+0x11/0x20 [ 424.665729] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.671034] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 424.675717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.681268] ? check_preemption_disabled+0x48/0x200 [ 424.686309] filemap_fault+0x1594/0x25f0 [ 424.690393] ? __lock_page_or_retry+0xa00/0xa00 [ 424.695075] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 424.700880] ? kasan_check_read+0x11/0x20 [ 424.705055] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.710357] ? rcu_bh_qs+0xc0/0xc0 [ 424.713926] ? filemap_map_pages+0xdea/0x1980 [ 424.718583] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.723707] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 424.728993] ? debug_object_free+0x325/0x690 [ 424.733448] ? find_get_pages_range_tag+0x1320/0x1320 [ 424.738656] ? graph_lock+0x170/0x170 [ 424.742469] ? kasan_check_read+0x11/0x20 [ 424.746629] ? debug_object_destroy+0x2b0/0x2b0 [ 424.751319] ? lock_acquire+0x1ed/0x520 [ 424.755306] ? ext4_filemap_fault+0x7a/0xad [ 424.759647] ? lock_release+0x970/0x970 [ 424.763637] ? arch_local_save_flags+0x40/0x40 [ 424.768266] ? futex_wait_setup+0x3e0/0x3e0 [ 424.772612] ? down_read+0xb0/0x1d0 [ 424.776246] ? ext4_filemap_fault+0x7a/0xad [ 424.780578] ? __down_interruptible+0x700/0x700 [ 424.785289] ext4_filemap_fault+0x82/0xad [ 424.789455] __do_fault+0x100/0x6b0 [ 424.793095] ? print_bad_pte+0x6c0/0x6c0 [ 424.797168] ? do_futex+0x249/0x26d0 [ 424.800889] ? kasan_check_read+0x11/0x20 [ 424.805045] ? pmd_val+0x88/0x100 [ 424.808507] ? add_mm_counter_fast+0xd0/0xd0 [ 424.812917] ? pmd_val+0x88/0x100 [ 424.816377] ? add_mm_counter_fast+0xd0/0xd0 [ 424.820795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.826346] __handle_mm_fault+0x3709/0x53e0 [ 424.830758] ? perf_trace_lock+0x14d/0x7a0 [ 424.835017] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 424.839864] ? graph_lock+0x170/0x170 [ 424.843667] ? print_usage_bug+0xc0/0xc0 [ 424.847733] ? graph_lock+0x170/0x170 [ 424.851537] ? graph_lock+0x170/0x170 [ 424.855366] ? handle_mm_fault+0x42a/0xc70 [ 424.859614] ? lock_downgrade+0x900/0x900 [ 424.863766] ? check_preemption_disabled+0x48/0x200 [ 424.868795] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 424.874607] ? kasan_check_read+0x11/0x20 [ 424.878764] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.884046] ? rcu_bh_qs+0xc0/0xc0 [ 424.887597] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.893064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.898627] ? check_preemption_disabled+0x48/0x200 [ 424.903679] handle_mm_fault+0x54f/0xc70 [ 424.907772] ? __handle_mm_fault+0x53e0/0x53e0 [ 424.912377] ? find_vma+0x34/0x190 [ 424.915940] __do_page_fault+0x67d/0xed0 [ 424.920033] ? mm_fault_error+0x380/0x380 [ 424.924192] ? trace_hardirqs_off+0xb8/0x300 [ 424.928611] ? trace_hardirqs_on+0x310/0x310 [ 424.933034] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 424.938412] ? trace_hardirqs_on+0x310/0x310 [ 424.942837] do_page_fault+0xf2/0x7e0 [ 424.946651] ? vmalloc_sync_all+0x30/0x30 [ 424.950817] ? error_entry+0x70/0xd0 [ 424.954552] ? trace_hardirqs_off_caller+0xbb/0x300 [ 424.959581] ? trace_hardirqs_on_caller+0xc0/0x300 [ 424.964529] ? syscall_return_slowpath+0x5e0/0x5e0 [ 424.969491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.974350] ? trace_hardirqs_off+0x300/0x300 [ 424.978853] ? trace_hardirqs_off_caller+0x300/0x300 [ 424.983972] ? prepare_exit_to_usermode+0x291/0x3b0 [ 424.989013] ? page_fault+0x8/0x30 [ 424.992569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.997438] ? page_fault+0x8/0x30 [ 425.000988] page_fault+0x1e/0x30 [ 425.004451] RIP: 0033:0x45ddf3 [ 425.007671] Code: Bad RIP value. [ 425.011034] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 425.016404] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 425.023677] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 425.030968] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 425.038252] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 425.045544] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 425.052853] warn_alloc_show_mem: 1 callbacks suppressed [ 425.052866] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 425.052869] Mem-Info: [ 425.052901] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 425.052901] active_file:16 inactive_file:17 isolated_file:0 [ 425.052901] unevictable:0 dirty:0 writeback:0 unstable:0 [ 425.052901] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 425.052901] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 425.052901] free:13771 free_pcp:233 free_cma:0 [ 425.058242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.058253] Call Trace: [ 425.065542] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 425.067948] [ 425.100850] Node 0 [ 425.110243] dump_stack+0x1c4/0x2b4 [ 425.112837] 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 [ 425.140516] ? dump_stack_print_info.cold.2+0x52/0x52 [ 425.142643] lowmem_reserve[]: [ 425.144897] warn_alloc.cold.118+0xb7/0x1bd [ 425.150326] 0 [ 425.175877] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 425.181056] 2815 [ 425.184188] ? lock_downgrade+0x900/0x900 [ 425.188497] 6318 [ 425.190319] ? trace_hardirqs_off+0xb8/0x300 [ 425.195138] 6318 [ 425.197224] ? trace_hardirqs_off+0xb8/0x300 [ 425.201349] Node 0 [ 425.203429] __alloc_pages_slowpath+0x2667/0x2d80 [ 425.207835] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 425.209902] ? warn_alloc+0x120/0x120 [ 425.214255] lowmem_reserve[]: [ 425.216498] ? warn_alloc+0x120/0x120 [ 425.221307] 0 0 [ 425.248068] ? print_usage_bug+0xc0/0xc0 [ 425.251851] 3503 3503 [ 425.254992] ? warn_alloc+0x120/0x120 [ 425.260783] ? print_usage_bug+0xc0/0xc0 [ 425.264823] Node 0 [ 425.267328] ? __lock_acquire+0x7ec/0x4ec0 [ 425.271129] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 425.275166] ? __lock_acquire+0x7ec/0x4ec0 [ 425.277368] lowmem_reserve[]: [ 425.281608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.309959] 0 0 [ 425.314233] ? should_fail+0x22d/0xd01 [ 425.317301] 0 [ 425.322845] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.324787] 0 [ 425.328697] ? __lock_acquire+0x7ec/0x4ec0 [ 425.335572] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.337346] Node 0 [ 425.341577] ? __lock_acquire+0x7ec/0x4ec0 [ 425.346653] DMA: [ 425.348889] ? should_fail+0x22d/0xd01 [ 425.353099] 1*4kB [ 425.355166] ? mark_held_locks+0x130/0x130 [ 425.359022] (U) [ 425.361171] ? mark_held_locks+0x130/0x130 [ 425.365378] 0*8kB [ 425.367350] ? graph_lock+0x170/0x170 [ 425.371561] 0*16kB [ 425.373715] ? graph_lock+0x170/0x170 [ 425.377492] 1*32kB [ 425.379722] ? graph_lock+0x170/0x170 [ 425.383496] (U) [ 425.385733] ? print_usage_bug+0xc0/0xc0 [ 425.389512] 2*64kB [ 425.391479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.391496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.395533] (U) [ 425.397766] ? check_preemption_disabled+0x48/0x200 [ 425.403286] 1*128kB [ 425.408820] ? check_preemption_disabled+0x48/0x200 [ 425.410772] (U) [ 425.415792] ? __lock_is_held+0xb5/0x140 [ 425.418085] 1*256kB [ 425.423108] __alloc_pages_nodemask+0xa80/0xde0 [ 425.425051] (U) [ 425.429110] ? graph_lock+0x170/0x170 [ 425.431409] 0*512kB [ 425.436082] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 425.438030] 1*1024kB [ 425.441827] ? graph_lock+0x170/0x170 [ 425.441854] ? find_held_lock+0x36/0x1c0 [ 425.444147] (U) [ 425.449176] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.451556] 1*2048kB [ 425.455361] ? lock_downgrade+0x900/0x900 [ 425.459396] (M) 3*4096kB [ 425.461407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.466034] (M) = 15908kB [ 425.468464] cache_grow_begin+0x91/0x8c0 [ 425.472586] Node 0 [ 425.475348] ? do_raw_spin_unlock+0xa7/0x2f0 [ 425.480854] DMA32: [ 425.483624] fallback_alloc+0x203/0x2e0 [ 425.487659] 3*4kB [ 425.489900] ____cache_alloc_node+0x1c7/0x1e0 [ 425.494278] (M) [ 425.496520] kmem_cache_alloc_node+0xe3/0x730 [ 425.500465] 2*8kB [ 425.502615] ? ipv6_get_ifaddr+0x42e/0x620 [ 425.502642] __alloc_skb+0x119/0x770 [ 425.507109] (M) [ 425.509096] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 425.513552] 2*16kB (UM) [ 425.515730] ? skb_scrub_packet+0x490/0x490 [ 425.519932] 1*32kB (M) [ 425.523659] ? lock_downgrade+0x900/0x900 [ 425.525609] 3*64kB [ 425.530897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.533536] (UM) [ 425.537860] ? refcount_sub_and_test_checked+0x203/0x310 [ 425.540416] 3*128kB [ 425.544561] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 425.546770] (M) [ 425.552320] ? addrconf_rs_timer+0x6f0/0x6f0 [ 425.554346] 2*256kB (M) [ 425.559814] ndisc_alloc_skb+0x144/0x340 [ 425.562106] 3*512kB [ 425.567559] ndisc_send_rs+0x331/0x6e0 [ 425.569501] (M) [ 425.573918] addrconf_rs_timer+0x3c0/0x6f0 [ 425.576559] 4*1024kB [ 425.580637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.582934] (UM) [ 425.586832] call_timer_fn+0x272/0x920 [ 425.588768] 3*2048kB [ 425.593014] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.595393] (M) [ 425.599631] ? process_timeout+0x40/0x40 [ 425.601663] 3*4096kB [ 425.605545] ? find_held_lock+0x36/0x1c0 [ 425.605572] ? __run_timers+0x7da/0xc70 [ 425.607951] (M) [ 425.612188] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.614224] = 25244kB [ 425.614232] Node 0 [ 425.618295] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.620683] Normal: [ 425.624740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.624760] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 425.628710] 1139*4kB [ 425.630685] ? trace_hardirqs_on+0xbd/0x310 [ 425.635150] (MEH) [ 425.637561] ? kasan_check_read+0x11/0x20 [ 425.639780] 438*8kB [ 425.644276] ? __run_timers+0x7da/0xc70 [ 425.646569] (UME) [ 425.650809] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.655359] 175*16kB [ 425.657774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.662058] (UME) [ 425.664215] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.668328] 64*32kB [ 425.670650] __run_timers+0x7e5/0xc70 [ 425.674598] (UMEH) [ 425.676756] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 425.682164] 14*64kB (UM) [ 425.684587] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 425.688798] 1*128kB (H) [ 425.690964] ? graph_lock+0x170/0x170 [ 425.695164] 0*256kB 0*512kB [ 425.697501] ? enqueue_hrtimer+0x1a5/0x560 [ 425.701270] 0*1024kB 0*2048kB [ 425.703523] ? lock_release+0x970/0x970 [ 425.708854] 0*4096kB = 13932kB [ 425.711636] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 425.716637] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 425.719312] ? find_held_lock+0x36/0x1c0 [ 425.723085] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 425.726114] ? graph_lock+0x170/0x170 [ 425.730318] 788 total pagecache pages [ 425.733515] ? pvclock_read_flags+0x160/0x160 [ 425.737470] 0 pages in swap cache [ 425.740659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.745817] Swap cache stats: add 0, delete 0, find 0/0 [ 425.745827] Free swap = 0kB [ 425.754673] ? check_preemption_disabled+0x48/0x200 [ 425.758709] Total swap = 0kB [ 425.767301] ? __lock_is_held+0xb5/0x140 [ 425.771080] 1965979 pages RAM [ 425.774902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.779365] 0 pages HighMem/MovableOnly [ 425.779375] 343323 pages reserved [ 425.782833] ? check_preemption_disabled+0x48/0x200 [ 425.788350] 0 pages cma reserved [ 425.793728] run_timer_softirq+0x52/0xb0 [ 425.796794] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 425.801740] ? rcu_read_lock_sched_held+0x108/0x120 [ 425.804865] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.808801] __do_softirq+0x30b/0xad8 [ 425.811877] syz-fuzzer cpuset= [ 425.817434] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 425.821377] / [ 425.824842] ? pvclock_read_flags+0x160/0x160 [ 425.829837] mems_allowed=0 [ 425.833206] ? lapic_next_event+0x5a/0x90 [ 425.884303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.889855] ? check_preemption_disabled+0x48/0x200 [ 425.894890] ? check_preemption_disabled+0x48/0x200 [ 425.899936] ? kvm_clock_read+0x18/0x30 [ 425.903932] ? kvm_sched_clock_read+0x9/0x20 [ 425.908374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.913946] ? check_preemption_disabled+0x48/0x200 [ 425.919009] irq_exit+0x17f/0x1c0 [ 425.922487] smp_apic_timer_interrupt+0x1cb/0x760 [ 425.927346] ? smp_reschedule_interrupt+0x109/0x650 [ 425.932379] ? smp_call_function_single_interrupt+0x650/0x650 [ 425.938281] ? interrupt_entry+0xb5/0xf0 [ 425.942361] ? trace_hardirqs_off_caller+0xbb/0x300 [ 425.947395] ? trace_hardirqs_off_caller+0xbb/0x300 [ 425.952442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.957313] ? trace_hardirqs_off+0x300/0x300 [ 425.961835] ? trace_hardirqs_off+0x300/0x300 [ 425.966364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.971936] ? check_preemption_disabled+0x48/0x200 [ 425.976979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.982566] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.987453] apic_timer_interrupt+0xf/0x20 [ 425.991702] [ 425.993961] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 425.998903] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 426.019317] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 426.027054] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 426.034356] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 426.041641] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 426.048920] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 426.056201] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 426.063536] skb_clone+0x1bb/0x500 [ 426.067087] ? finish_task_switch+0x2f5/0x900 [ 426.071600] ? skb_split+0x11e0/0x11e0 [ 426.075499] ? preempt_notifier_register+0x200/0x200 [ 426.080611] ? __switch_to_asm+0x34/0x70 [ 426.084684] ? __switch_to_asm+0x34/0x70 [ 426.088748] ? __switch_to_asm+0x40/0x70 [ 426.092812] ? __switch_to_asm+0x34/0x70 [ 426.096877] ? __switch_to_asm+0x40/0x70 [ 426.100939] ? __switch_to_asm+0x34/0x70 [ 426.105011] ? __switch_to_asm+0x40/0x70 [ 426.109073] ? __switch_to_asm+0x34/0x70 [ 426.113145] ? __switch_to_asm+0x34/0x70 [ 426.117206] ? __switch_to_asm+0x40/0x70 [ 426.121271] ? __switch_to_asm+0x34/0x70 [ 426.125357] bpf_clone_redirect+0xb9/0x490 [ 426.129600] ? __schedule+0x874/0x1ed0 [ 426.133507] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 426.138539] ? __sched_text_start+0x8/0x8 [ 426.142699] ? retint_kernel+0x2d/0x2d [ 426.146600] ? find_held_lock+0x36/0x1c0 [ 426.151032] ? lock_acquire+0x1ed/0x520 [ 426.155020] ? bpf_test_run+0x32e/0x5a0 [ 426.159009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.164551] ? check_preemption_disabled+0x48/0x200 [ 426.169567] ? kasan_check_read+0x11/0x20 [ 426.173715] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 426.179420] ? rcu_bh_qs+0xc0/0xc0 [ 426.182976] ? preempt_schedule+0x4d/0x60 [ 426.187149] ? ___preempt_schedule+0x16/0x18 [ 426.191580] ? bpf_test_run+0x1c0/0x5a0 [ 426.195578] ? netlink_diag_dump+0x2a0/0x2a0 [ 426.200013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.205585] ? bpf_test_init.isra.9+0x70/0x100 [ 426.210197] ? bpf_prog_test_run_skb+0x634/0xb40 [ 426.214977] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 426.219846] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 426.225397] ? fput+0x130/0x1a0 [ 426.228694] ? __bpf_prog_get+0x9b/0x290 [ 426.232776] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 426.237632] ? bpf_prog_test_run+0x130/0x1a0 [ 426.242062] ? __x64_sys_bpf+0x3d8/0x510 [ 426.246141] ? bpf_prog_get+0x20/0x20 [ 426.249961] ? ksys_ioctl+0x81/0xd0 [ 426.253614] ? do_syscall_64+0x1b9/0x820 [ 426.257690] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 426.263070] ? syscall_return_slowpath+0x5e0/0x5e0 [ 426.268030] ? trace_hardirqs_off+0x300/0x300 [ 426.272554] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 426.277594] ? recalc_sigpending_tsk+0x180/0x180 [ 426.282370] ? kasan_check_write+0x14/0x20 [ 426.286626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.291494] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 426.296912] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 426.297011] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 426.303851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.303857] Call Trace: [ 426.303864] [ 426.303884] dump_stack+0x1c4/0x2b4 [ 426.303899] ? dump_stack_print_info.cold.2+0x52/0x52 [ 426.303926] warn_alloc.cold.118+0xb7/0x1bd [ 426.303943] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 426.310499] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.319802] ? lock_downgrade+0x900/0x900 [ 426.322368] syz-executor6 cpuset= [ 426.324532] ? trace_hardirqs_off+0xb8/0x300 [ 426.328132] syz6 [ 426.333336] ? trace_hardirqs_off+0xb8/0x300 [ 426.337627] mems_allowed=0 [ 426.342470] __alloc_pages_slowpath+0x2667/0x2d80 [ 426.379098] ? warn_alloc+0x120/0x120 [ 426.382915] ? trace_hardirqs_on+0x310/0x310 [ 426.387332] ? warn_alloc+0x120/0x120 [ 426.391142] ? print_usage_bug+0xc0/0xc0 [ 426.395209] ? warn_alloc+0x120/0x120 [ 426.399023] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 426.404049] ? print_usage_bug+0xc0/0xc0 [ 426.408117] ? __lock_acquire+0x7ec/0x4ec0 [ 426.412354] ? __lock_acquire+0x7ec/0x4ec0 [ 426.416603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.422148] ? should_fail+0x22d/0xd01 [ 426.426046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.431156] ? __lock_acquire+0x7ec/0x4ec0 [ 426.435398] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.440502] ? __lock_acquire+0x7ec/0x4ec0 [ 426.444736] ? should_fail+0x22d/0xd01 [ 426.448622] ? print_usage_bug+0xc0/0xc0 [ 426.452696] ? mark_held_locks+0x130/0x130 [ 426.456936] ? mark_held_locks+0x130/0x130 [ 426.461787] ? graph_lock+0x170/0x170 [ 426.465596] ? print_usage_bug+0xc0/0xc0 [ 426.469658] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 426.474420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.479963] ? check_preemption_disabled+0x48/0x200 [ 426.484986] ? check_preemption_disabled+0x48/0x200 [ 426.490038] ? __lock_is_held+0xb5/0x140 [ 426.494115] __alloc_pages_nodemask+0xa80/0xde0 [ 426.498790] ? graph_lock+0x170/0x170 [ 426.502606] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 426.507625] ? graph_lock+0x170/0x170 [ 426.511443] ? find_held_lock+0x36/0x1c0 [ 426.515532] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.520230] ? lock_downgrade+0x900/0x900 [ 426.524414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.529985] cache_grow_begin+0x91/0x8c0 [ 426.534068] ? do_raw_spin_unlock+0xa7/0x2f0 [ 426.538496] fallback_alloc+0x203/0x2e0 [ 426.542492] ____cache_alloc_node+0x1c7/0x1e0 [ 426.546997] kmem_cache_alloc_node+0xe3/0x730 [ 426.551509] ? ipv6_get_ifaddr+0x42e/0x620 [ 426.555761] __alloc_skb+0x119/0x770 [ 426.559483] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 426.564766] ? skb_scrub_packet+0x490/0x490 [ 426.569092] ? lock_downgrade+0x900/0x900 [ 426.573252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.578795] ? refcount_sub_and_test_checked+0x203/0x310 [ 426.584261] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 426.589724] ? addrconf_rs_timer+0x6f0/0x6f0 [ 426.594150] ndisc_alloc_skb+0x144/0x340 [ 426.598219] ndisc_send_rs+0x331/0x6e0 [ 426.602119] addrconf_rs_timer+0x3c0/0x6f0 [ 426.606364] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.610626] call_timer_fn+0x272/0x920 [ 426.614525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.618776] ? process_timeout+0x40/0x40 [ 426.622845] ? find_held_lock+0x36/0x1c0 [ 426.626930] ? mark_held_locks+0xc7/0x130 [ 426.631102] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.635617] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.640126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.644376] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 426.648976] ? trace_hardirqs_on+0xbd/0x310 [ 426.653314] ? kasan_check_read+0x11/0x20 [ 426.657477] ? __run_timers+0x7da/0xc70 [ 426.661466] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.666933] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.671187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.675435] __run_timers+0x7e5/0xc70 [ 426.679266] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 426.684643] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 426.689944] ? rcu_bh_qs+0xc0/0xc0 [ 426.693504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.699067] ? mark_held_locks+0xc7/0x130 [ 426.703242] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 426.708031] ? retint_kernel+0x2d/0x2d [ 426.711944] ? trace_hardirqs_on_caller+0xc0/0x300 [ 426.716913] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 426.721684] ? trace_hardirqs_off_caller+0x300/0x300 [ 426.726798] ? check_preemption_disabled+0x48/0x200 [ 426.731820] ? graph_lock+0x170/0x170 [ 426.735636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.741182] ? check_preemption_disabled+0x48/0x200 [ 426.746222] ? __lock_is_held+0xb5/0x140 [ 426.750293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.755840] ? check_preemption_disabled+0x48/0x200 [ 426.760872] run_timer_softirq+0x52/0xb0 [ 426.764940] ? rcu_read_lock_sched_held+0x108/0x120 [ 426.769966] __do_softirq+0x30b/0xad8 [ 426.773783] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 426.778901] ? pvclock_read_flags+0x160/0x160 [ 426.783401] ? lapic_next_event+0x5a/0x90 [ 426.787564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.793112] ? check_preemption_disabled+0x48/0x200 [ 426.798132] ? check_preemption_disabled+0x48/0x200 [ 426.803164] ? kvm_clock_read+0x18/0x30 [ 426.807145] ? kvm_sched_clock_read+0x9/0x20 [ 426.811563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.817110] ? check_preemption_disabled+0x48/0x200 [ 426.822147] irq_exit+0x17f/0x1c0 [ 426.825619] smp_apic_timer_interrupt+0x1cb/0x760 [ 426.830472] ? smp_call_function_single_interrupt+0x650/0x650 [ 426.836362] ? interrupt_entry+0xb5/0xf0 [ 426.840463] ? trace_hardirqs_off_caller+0xbb/0x300 [ 426.845480] ? trace_hardirqs_off_caller+0xbb/0x300 [ 426.850502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.855348] ? trace_hardirqs_off+0x300/0x300 [ 426.859847] ? trace_hardirqs_off+0x300/0x300 [ 426.864346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.869888] ? check_preemption_disabled+0x48/0x200 [ 426.874910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.880468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.885333] apic_timer_interrupt+0xf/0x20 [ 426.889568] [ 426.891821] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 426.897104] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 426.916031] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 426.923782] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 426.931066] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 426.938345] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 426.945622] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 426.952897] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 426.960201] ? arch_local_irq_restore+0x45/0x52 [ 426.964894] dump_stack+0x26a/0x2b4 [ 426.968533] ? dump_stack_print_info.cold.2+0x52/0x52 [ 426.973752] ? mark_held_locks+0x130/0x130 [ 426.977993] ? mark_held_locks+0x130/0x130 [ 426.982251] dump_header+0x27b/0xf72 [ 426.985984] ? pagefault_out_of_memory+0x197/0x197 [ 426.990932] ? mark_held_locks+0x130/0x130 [ 426.995171] ? __lock_acquire+0x7ec/0x4ec0 [ 426.999408] ? mem_cgroup_charge_statistics+0x780/0x780 [ 427.004780] ? print_usage_bug+0xc0/0xc0 [ 427.008847] ? print_usage_bug+0xc0/0xc0 [ 427.012920] ? graph_lock+0x170/0x170 [ 427.016725] ? graph_lock+0x170/0x170 [ 427.020532] ? print_usage_bug+0xc0/0xc0 [ 427.024600] ? print_usage_bug+0xc0/0xc0 [ 427.028676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.034221] ? find_held_lock+0x36/0x1c0 [ 427.038297] ? mark_held_locks+0xc7/0x130 [ 427.042452] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 427.047562] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 427.052678] ? lockdep_hardirqs_on+0x421/0x5c0 [ 427.057266] ? trace_hardirqs_on+0xbd/0x310 [ 427.061588] ? kasan_check_read+0x11/0x20 [ 427.065751] ? ___ratelimit+0x36f/0x655 [ 427.069728] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.075183] ? trace_hardirqs_on+0x310/0x310 [ 427.079604] ? lock_downgrade+0x900/0x900 [ 427.083764] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.088873] ? ___ratelimit+0xaa/0x655 [ 427.092767] ? idr_get_free+0xec0/0xec0 [ 427.096753] ? kasan_check_write+0x14/0x20 [ 427.100992] ? do_raw_spin_lock+0xc1/0x200 [ 427.105251] oom_kill_process.cold.27+0x10/0x903 [ 427.110021] ? graph_lock+0x170/0x170 [ 427.113825] ? _raw_spin_unlock+0x2c/0x50 [ 427.117975] ? oom_badness+0xe6/0xaa0 [ 427.121795] ? oom_evaluate_task+0x540/0x540 [ 427.126217] ? find_held_lock+0x36/0x1c0 [ 427.130299] ? out_of_memory+0x974/0x14c0 [ 427.134453] ? lock_downgrade+0x900/0x900 [ 427.138609] ? check_preemption_disabled+0x48/0x200 [ 427.143640] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 427.149440] ? kasan_check_read+0x11/0x20 [ 427.153609] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 427.158896] ? rcu_bh_qs+0xc0/0xc0 [ 427.162449] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 427.167478] ? oom_evaluate_task+0x302/0x540 [ 427.171901] out_of_memory+0xa86/0x14c0 [ 427.175895] ? oom_killer_disable+0x3a0/0x3a0 [ 427.180398] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 427.185336] ? __mutex_add_waiter+0x2a0/0x2a0 [ 427.189847] __alloc_pages_slowpath+0x2318/0x2d80 [ 427.194725] ? warn_alloc+0x120/0x120 [ 427.198547] ? find_get_entry+0x2f2/0xc40 [ 427.202708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.208255] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 427.213193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.218735] ? should_fail+0x22d/0xd01 [ 427.222638] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.227746] ? __lock_is_held+0xb5/0x140 [ 427.231838] ? __lock_is_held+0xb5/0x140 [ 427.235914] ? find_held_lock+0x36/0x1c0 [ 427.239984] ? ___might_sleep+0x1ed/0x300 [ 427.244141] ? lock_release+0x970/0x970 [ 427.248123] ? arch_local_save_flags+0x40/0x40 [ 427.252720] ? __might_sleep+0x95/0x190 [ 427.256710] __alloc_pages_nodemask+0xa80/0xde0 [ 427.261399] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 427.266426] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 427.272227] ? kasan_check_read+0x11/0x20 [ 427.276381] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 427.281668] ? graph_lock+0x170/0x170 [ 427.285478] ? print_usage_bug+0xc0/0xc0 [ 427.289547] ? graph_lock+0x170/0x170 [ 427.293347] ? graph_lock+0x170/0x170 [ 427.297150] ? __do_page_cache_readahead+0x7ce/0x980 [ 427.302266] ? find_held_lock+0x36/0x1c0 [ 427.306341] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 427.311896] alloc_pages_current+0x10c/0x210 [ 427.316309] ? lock_downgrade+0x900/0x900 [ 427.320469] __page_cache_alloc+0x38f/0x5b0 [ 427.324801] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 427.330603] ? kasan_check_read+0x11/0x20 [ 427.334759] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 427.340047] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 427.344722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.350263] ? check_preemption_disabled+0x48/0x200 [ 427.355302] filemap_fault+0x1594/0x25f0 [ 427.359387] ? __lock_page_or_retry+0xa00/0xa00 [ 427.364068] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 427.369876] ? kasan_check_read+0x11/0x20 [ 427.374046] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 427.379342] ? rcu_bh_qs+0xc0/0xc0 [ 427.382909] ? filemap_map_pages+0xdea/0x1980 [ 427.387422] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.392543] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 427.397824] ? debug_object_free+0x325/0x690 [ 427.402253] ? find_get_pages_range_tag+0x1320/0x1320 [ 427.407479] ? graph_lock+0x170/0x170 [ 427.411322] ? kasan_check_read+0x11/0x20 [ 427.415502] ? debug_object_destroy+0x2b0/0x2b0 [ 427.420209] ? lock_acquire+0x1ed/0x520 [ 427.424214] ? ext4_filemap_fault+0x7a/0xad [ 427.428565] ? lock_release+0x970/0x970 [ 427.432566] ? arch_local_save_flags+0x40/0x40 [ 427.437183] ? futex_wait_setup+0x3e0/0x3e0 [ 427.441533] ? down_read+0xb0/0x1d0 [ 427.445172] ? ext4_filemap_fault+0x7a/0xad [ 427.449514] ? __down_interruptible+0x700/0x700 [ 427.454222] ext4_filemap_fault+0x82/0xad [ 427.458396] __do_fault+0x100/0x6b0 [ 427.462060] ? print_bad_pte+0x6c0/0x6c0 [ 427.466157] ? do_futex+0x249/0x26d0 [ 427.469891] ? kasan_check_read+0x11/0x20 [ 427.474064] ? pmd_val+0x88/0x100 [ 427.477545] ? add_mm_counter_fast+0xd0/0xd0 [ 427.481974] ? pmd_val+0x88/0x100 [ 427.485459] ? add_mm_counter_fast+0xd0/0xd0 [ 427.489892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.495458] __handle_mm_fault+0x3709/0x53e0 [ 427.499889] ? perf_trace_lock+0x14d/0x7a0 [ 427.504164] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 427.509041] ? graph_lock+0x170/0x170 [ 427.512867] ? print_usage_bug+0xc0/0xc0 [ 427.516957] ? graph_lock+0x170/0x170 [ 427.520774] ? graph_lock+0x170/0x170 [ 427.524611] ? handle_mm_fault+0x42a/0xc70 [ 427.528864] ? lock_downgrade+0x900/0x900 [ 427.533034] ? check_preemption_disabled+0x48/0x200 [ 427.538112] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 427.543934] ? kasan_check_read+0x11/0x20 [ 427.548113] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 427.553423] ? rcu_bh_qs+0xc0/0xc0 [ 427.556986] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.562473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.568046] ? check_preemption_disabled+0x48/0x200 [ 427.573093] handle_mm_fault+0x54f/0xc70 [ 427.577178] ? __handle_mm_fault+0x53e0/0x53e0 [ 427.581788] ? find_vma+0x34/0x190 [ 427.585355] __do_page_fault+0x67d/0xed0 [ 427.589452] ? mm_fault_error+0x380/0x380 [ 427.593627] ? trace_hardirqs_off+0xb8/0x300 [ 427.598065] ? trace_hardirqs_on+0x310/0x310 [ 427.602503] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 427.607900] ? trace_hardirqs_on+0x310/0x310 [ 427.612362] do_page_fault+0xf2/0x7e0 [ 427.616191] ? vmalloc_sync_all+0x30/0x30 [ 427.620363] ? error_entry+0x70/0xd0 [ 427.624099] ? trace_hardirqs_off_caller+0xbb/0x300 [ 427.629134] ? trace_hardirqs_on_caller+0xc0/0x300 [ 427.634093] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.639062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.643941] ? trace_hardirqs_off+0x300/0x300 [ 427.648469] ? trace_hardirqs_off_caller+0x300/0x300 [ 427.653624] ? prepare_exit_to_usermode+0x291/0x3b0 [ 427.658677] ? page_fault+0x8/0x30 [ 427.662255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.667145] ? page_fault+0x8/0x30 [ 427.670729] page_fault+0x1e/0x30 [ 427.674216] RIP: 0033:0x45ddf3 [ 427.677433] Code: Bad RIP value. [ 427.680810] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 427.686196] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 427.693490] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 427.700780] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 427.708071] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 427.715363] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 427.722691] warn_alloc_show_mem: 1 callbacks suppressed [ 427.722705] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 427.722707] Mem-Info: [ 427.722740] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 427.722740] active_file:16 inactive_file:17 isolated_file:0 [ 427.722740] unevictable:0 dirty:0 writeback:0 unstable:0 [ 427.722740] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 427.722740] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 427.722740] free:13771 free_pcp:233 free_cma:0 [ 427.728098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.728112] Call Trace: [ 427.735418] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 427.737824] [ 427.770705] Node 0 [ 427.780085] dump_stack+0x1c4/0x2b4 [ 427.782673] 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 [ 427.810372] ? dump_stack_print_info.cold.2+0x52/0x52 [ 427.812503] lowmem_reserve[]: [ 427.814756] warn_alloc.cold.118+0xb7/0x1bd [ 427.818349] 0 [ 427.843884] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.849058] 2815 [ 427.852206] ? lock_downgrade+0x900/0x900 [ 427.856523] 6318 [ 427.858336] ? trace_hardirqs_off+0xb8/0x300 [ 427.863147] 6318 [ 427.865222] ? trace_hardirqs_off+0xb8/0x300 [ 427.871433] __alloc_pages_slowpath+0x2667/0x2d80 [ 427.875815] Node 0 [ 427.877909] ? warn_alloc+0x120/0x120 [ 427.882292] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 427.887123] ? warn_alloc+0x120/0x120 [ 427.889322] lowmem_reserve[]: 0 [ 427.893147] ? print_usage_bug+0xc0/0xc0 [ 427.919873] 0 3503 [ 427.923699] ? warn_alloc+0x120/0x120 [ 427.926937] 3503 [ 427.931021] ? print_usage_bug+0xc0/0xc0 [ 427.933232] Node 0 [ 427.937039] ? __lock_acquire+0x7ec/0x4ec0 [ 427.939100] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 427.943162] ? __lock_acquire+0x7ec/0x4ec0 [ 427.945371] lowmem_reserve[]: [ 427.949633] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.977979] 0 0 [ 427.982260] ? should_fail+0x22d/0xd01 [ 427.985339] 0 [ 427.990918] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.992862] 0 [ 427.996773] ? __lock_acquire+0x7ec/0x4ec0 [ 428.003666] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.005437] Node 0 [ 428.009672] ? __lock_acquire+0x7ec/0x4ec0 [ 428.009692] ? should_fail+0x22d/0xd01 [ 428.014788] DMA: [ 428.017537] ? mark_held_locks+0x130/0x130 [ 428.021743] 1*4kB [ 428.025639] ? mark_held_locks+0x130/0x130 [ 428.027675] (U) [ 428.031919] ? graph_lock+0x170/0x170 [ 428.034043] 0*8kB [ 428.038285] ? graph_lock+0x170/0x170 [ 428.040245] 0*16kB [ 428.044052] ? graph_lock+0x170/0x170 [ 428.046174] 1*32kB [ 428.049979] ? print_usage_bug+0xc0/0xc0 [ 428.052187] (U) [ 428.055998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.058219] 2*64kB [ 428.062288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.064236] (U) [ 428.069779] ? check_preemption_disabled+0x48/0x200 [ 428.071986] 1*128kB (U) [ 428.077549] ? check_preemption_disabled+0x48/0x200 [ 428.079492] 1*256kB (U) [ 428.084529] ? __lock_is_held+0xb5/0x140 [ 428.087167] 0*512kB [ 428.092194] __alloc_pages_nodemask+0xa80/0xde0 [ 428.094834] 1*1024kB [ 428.098903] ? graph_lock+0x170/0x170 [ 428.101191] (U) 1*2048kB [ 428.105882] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 428.108261] (M) [ 428.112071] ? graph_lock+0x170/0x170 [ 428.114801] 3*4096kB [ 428.119832] ? find_held_lock+0x36/0x1c0 [ 428.121775] (M) [ 428.125586] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.127959] = 15908kB [ 428.127968] Node 0 [ 428.132051] ? lock_downgrade+0x900/0x900 [ 428.133996] DMA32: [ 428.138684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.141063] 3*4kB [ 428.143303] cache_grow_begin+0x91/0x8c0 [ 428.147424] (M) [ 428.150140] ? do_raw_spin_unlock+0xa7/0x2f0 [ 428.155654] 2*8kB [ 428.157816] fallback_alloc+0x203/0x2e0 [ 428.161840] (M) [ 428.163824] ____cache_alloc_node+0x1c7/0x1e0 [ 428.168200] 2*16kB (UM) [ 428.170373] kmem_cache_alloc_node+0xe3/0x730 [ 428.174316] 1*32kB [ 428.176297] ? ipv6_get_ifaddr+0x42e/0x620 [ 428.180759] (M) 3*64kB [ 428.183481] __alloc_skb+0x119/0x770 [ 428.187951] (UM) [ 428.190213] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 428.194422] 3*128kB [ 428.197021] ? skb_scrub_packet+0x490/0x490 [ 428.200703] (M) [ 428.202771] ? lock_downgrade+0x900/0x900 [ 428.208025] 2*256kB (M) [ 428.210370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.214656] 3*512kB [ 428.216632] ? refcount_sub_and_test_checked+0x203/0x310 [ 428.220750] (M) [ 428.223426] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 428.228939] 4*1024kB [ 428.231264] ? addrconf_rs_timer+0x6f0/0x6f0 [ 428.236678] (UM) 3*2048kB [ 428.238676] ndisc_alloc_skb+0x144/0x340 [ 428.244083] (M) 3*4096kB [ 428.246518] ndisc_send_rs+0x331/0x6e0 [ 428.250891] (M) [ 428.253743] addrconf_rs_timer+0x3c0/0x6f0 [ 428.257773] = 25244kB [ 428.260538] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.264394] Node 0 [ 428.266385] call_timer_fn+0x272/0x920 [ 428.270575] Normal: [ 428.272991] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.277193] 1139*4kB [ 428.279432] ? process_timeout+0x40/0x40 [ 428.283286] (MEH) [ 428.285616] ? find_held_lock+0x36/0x1c0 [ 428.289824] 438*8kB [ 428.292246] ? __run_timers+0x7da/0xc70 [ 428.296269] (UME) [ 428.298422] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.302456] 175*16kB [ 428.304785] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.308732] (UME) [ 428.310888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.315346] 64*32kB (UMEH) [ 428.317767] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 428.322226] 14*64kB (UM) [ 428.324387] ? trace_hardirqs_on+0xbd/0x310 [ 428.328585] 1*128kB (H) [ 428.331524] ? kasan_check_read+0x11/0x20 [ 428.336074] 0*256kB 0*512kB [ 428.338848] ? __run_timers+0x7da/0xc70 [ 428.343131] 0*1024kB 0*2048kB [ 428.345832] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.349945] 0*4096kB = 13932kB [ 428.352980] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.356928] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 428.360121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.365548] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 428.368737] __run_timers+0x7e5/0xc70 [ 428.372944] 788 total pagecache pages [ 428.381799] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 428.386017] 0 pages in swap cache [ 428.394593] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.398368] Swap cache stats: add 0, delete 0, find 0/0 [ 428.402170] ? graph_lock+0x170/0x170 [ 428.407510] Free swap = 0kB [ 428.410967] ? enqueue_hrtimer+0x1a5/0x560 [ 428.415956] Total swap = 0kB [ 428.421339] ? lock_release+0x970/0x970 [ 428.425112] 1965979 pages RAM [ 428.428141] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.432338] 0 pages HighMem/MovableOnly [ 428.432347] 343323 pages reserved [ 428.435371] ? find_held_lock+0x36/0x1c0 [ 428.439311] 0 pages cma reserved [ 428.442416] ? graph_lock+0x170/0x170 [ 428.447684] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 428.451553] ? pvclock_read_flags+0x160/0x160 [ 428.455141] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.459046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.462391] syz-fuzzer cpuset= [ 428.466191] ? check_preemption_disabled+0x48/0x200 [ 428.472660] / [ 428.477168] ? __lock_is_held+0xb5/0x140 [ 428.487365] mems_allowed=0 [ 428.509798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.515353] ? check_preemption_disabled+0x48/0x200 [ 428.520396] run_timer_softirq+0x52/0xb0 [ 428.524471] ? rcu_read_lock_sched_held+0x108/0x120 [ 428.529498] __do_softirq+0x30b/0xad8 [ 428.533322] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 428.538443] ? pvclock_read_flags+0x160/0x160 [ 428.542954] ? lapic_next_event+0x5a/0x90 [ 428.547120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.552669] ? check_preemption_disabled+0x48/0x200 [ 428.557695] ? check_preemption_disabled+0x48/0x200 [ 428.562731] ? kvm_clock_read+0x18/0x30 [ 428.566713] ? kvm_sched_clock_read+0x9/0x20 [ 428.571140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.576689] ? check_preemption_disabled+0x48/0x200 [ 428.581733] irq_exit+0x17f/0x1c0 [ 428.585202] smp_apic_timer_interrupt+0x1cb/0x760 [ 428.590140] ? smp_reschedule_interrupt+0x109/0x650 [ 428.595171] ? smp_call_function_single_interrupt+0x650/0x650 [ 428.601069] ? interrupt_entry+0xb5/0xf0 [ 428.605149] ? trace_hardirqs_off_caller+0xbb/0x300 [ 428.610174] ? trace_hardirqs_off_caller+0xbb/0x300 [ 428.615203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.620056] ? trace_hardirqs_off+0x300/0x300 [ 428.624556] ? trace_hardirqs_off+0x300/0x300 [ 428.629063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.634617] ? check_preemption_disabled+0x48/0x200 [ 428.639646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.645203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.650070] apic_timer_interrupt+0xf/0x20 [ 428.654313] [ 428.656563] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 428.661498] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 428.680419] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 428.688151] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 428.695445] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 428.702740] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 428.710040] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 428.717337] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 428.724683] skb_clone+0x1bb/0x500 [ 428.728253] ? finish_task_switch+0x2f5/0x900 [ 428.732776] ? skb_split+0x11e0/0x11e0 [ 428.736694] ? preempt_notifier_register+0x200/0x200 [ 428.741822] ? __switch_to_asm+0x34/0x70 [ 428.745925] ? __switch_to_asm+0x34/0x70 [ 428.750013] ? __switch_to_asm+0x40/0x70 [ 428.754098] ? __switch_to_asm+0x34/0x70 [ 428.758175] ? __switch_to_asm+0x40/0x70 [ 428.762255] ? __switch_to_asm+0x34/0x70 [ 428.766329] ? __switch_to_asm+0x40/0x70 [ 428.770409] ? __switch_to_asm+0x34/0x70 [ 428.774489] ? __switch_to_asm+0x34/0x70 [ 428.778562] ? __switch_to_asm+0x40/0x70 [ 428.782634] ? __switch_to_asm+0x34/0x70 [ 428.786721] bpf_clone_redirect+0xb9/0x490 [ 428.790974] ? __schedule+0x874/0x1ed0 [ 428.794893] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 428.799933] ? __sched_text_start+0x8/0x8 [ 428.804104] ? retint_kernel+0x2d/0x2d [ 428.808022] ? find_held_lock+0x36/0x1c0 [ 428.812110] ? lock_acquire+0x1ed/0x520 [ 428.816101] ? bpf_test_run+0x32e/0x5a0 [ 428.820089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.825646] ? check_preemption_disabled+0x48/0x200 [ 428.830686] ? kasan_check_read+0x11/0x20 [ 428.834856] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 428.840152] ? rcu_bh_qs+0xc0/0xc0 [ 428.843712] ? preempt_schedule+0x4d/0x60 [ 428.847874] ? ___preempt_schedule+0x16/0x18 [ 428.852313] ? bpf_test_run+0x1c0/0x5a0 [ 428.856310] ? netlink_diag_dump+0x2a0/0x2a0 [ 428.860737] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.866289] ? bpf_test_init.isra.9+0x70/0x100 [ 428.870894] ? bpf_prog_test_run_skb+0x634/0xb40 [ 428.875675] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 428.880532] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 428.886081] ? fput+0x130/0x1a0 [ 428.889383] ? __bpf_prog_get+0x9b/0x290 [ 428.893457] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 428.898313] ? bpf_prog_test_run+0x130/0x1a0 [ 428.902748] ? __x64_sys_bpf+0x3d8/0x510 [ 428.906820] ? bpf_prog_get+0x20/0x20 [ 428.910640] ? ksys_ioctl+0x81/0xd0 [ 428.914284] ? do_syscall_64+0x1b9/0x820 [ 428.918354] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 428.923734] ? syscall_return_slowpath+0x5e0/0x5e0 [ 428.928680] ? trace_hardirqs_off+0x300/0x300 [ 428.933194] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 428.938224] ? recalc_sigpending_tsk+0x180/0x180 [ 428.943020] ? kasan_check_write+0x14/0x20 [ 428.947290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.952159] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 428.957558] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 428.957651] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 428.964493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.964499] Call Trace: [ 428.964506] [ 428.964529] dump_stack+0x1c4/0x2b4 [ 428.964543] ? dump_stack_print_info.cold.2+0x52/0x52 [ 428.964570] warn_alloc.cold.118+0xb7/0x1bd [ 428.964588] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 428.971162] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.980453] ? lock_downgrade+0x900/0x900 [ 428.983025] syz-executor6 cpuset= [ 428.985183] ? trace_hardirqs_off+0xb8/0x300 [ 428.988776] syz6 [ 428.993972] ? trace_hardirqs_off+0xb8/0x300 [ 428.998273] mems_allowed=0 [ 429.003128] __alloc_pages_slowpath+0x2667/0x2d80 [ 429.039770] ? warn_alloc+0x120/0x120 [ 429.043610] ? warn_alloc+0x120/0x120 [ 429.047438] ? print_usage_bug+0xc0/0xc0 [ 429.051541] ? warn_alloc+0x120/0x120 [ 429.055371] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 429.060428] ? print_usage_bug+0xc0/0xc0 [ 429.064534] ? __lock_acquire+0x7ec/0x4ec0 [ 429.068804] ? __lock_acquire+0x7ec/0x4ec0 [ 429.073077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.078654] ? should_fail+0x22d/0xd01 [ 429.082578] ? __lock_acquire+0x7ec/0x4ec0 [ 429.086854] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.091992] ? __lock_acquire+0x7ec/0x4ec0 [ 429.096277] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.101416] ? __lock_acquire+0x7ec/0x4ec0 [ 429.105685] ? should_fail+0x22d/0xd01 [ 429.109628] ? mark_held_locks+0x130/0x130 [ 429.113903] ? mark_held_locks+0x130/0x130 [ 429.118183] ? graph_lock+0x170/0x170 [ 429.122025] ? print_usage_bug+0xc0/0xc0 [ 429.126118] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 429.130918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.136499] ? check_preemption_disabled+0x48/0x200 [ 429.141546] ? check_preemption_disabled+0x48/0x200 [ 429.146615] ? __lock_is_held+0xb5/0x140 [ 429.150716] __alloc_pages_nodemask+0xa80/0xde0 [ 429.155411] ? graph_lock+0x170/0x170 [ 429.159245] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 429.164286] ? graph_lock+0x170/0x170 [ 429.168125] ? find_held_lock+0x36/0x1c0 [ 429.172219] ? ____cache_alloc_node+0x1c7/0x1e0 [ 429.176914] ? lock_downgrade+0x900/0x900 [ 429.181093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.186665] cache_grow_begin+0x91/0x8c0 [ 429.190757] ? do_raw_spin_unlock+0xa7/0x2f0 [ 429.195206] fallback_alloc+0x203/0x2e0 [ 429.199226] ____cache_alloc_node+0x1c7/0x1e0 [ 429.203767] kmem_cache_alloc_node+0xe3/0x730 [ 429.208297] ? ipv6_get_ifaddr+0x42e/0x620 [ 429.212570] __alloc_skb+0x119/0x770 [ 429.216314] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 429.221625] ? skb_scrub_packet+0x490/0x490 [ 429.225974] ? lock_downgrade+0x900/0x900 [ 429.230166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.235729] ? refcount_sub_and_test_checked+0x203/0x310 [ 429.241212] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 429.246688] ? addrconf_rs_timer+0x6f0/0x6f0 [ 429.251137] ndisc_alloc_skb+0x144/0x340 [ 429.255224] ndisc_send_rs+0x331/0x6e0 [ 429.259151] addrconf_rs_timer+0x3c0/0x6f0 [ 429.263510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.267777] call_timer_fn+0x272/0x920 [ 429.271678] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.275936] ? process_timeout+0x40/0x40 [ 429.280010] ? find_held_lock+0x36/0x1c0 [ 429.284094] ? mark_held_locks+0xc7/0x130 [ 429.288259] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.292768] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.297281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.301541] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 429.306147] ? trace_hardirqs_on+0xbd/0x310 [ 429.310478] ? kasan_check_read+0x11/0x20 [ 429.314668] ? __run_timers+0x7da/0xc70 [ 429.318677] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.324151] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.328391] __run_timers+0x7e5/0xc70 [ 429.332212] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 429.337583] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 429.342881] ? rcu_bh_qs+0xc0/0xc0 [ 429.346440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.352000] ? mark_held_locks+0xc7/0x130 [ 429.356177] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 429.360948] ? retint_kernel+0x2d/0x2d [ 429.364850] ? trace_hardirqs_on_caller+0xc0/0x300 [ 429.369792] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 429.374560] ? trace_hardirqs_off_caller+0x300/0x300 [ 429.379678] ? check_preemption_disabled+0x48/0x200 [ 429.384703] ? graph_lock+0x170/0x170 [ 429.388513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.394058] ? check_preemption_disabled+0x48/0x200 [ 429.399092] ? __lock_is_held+0xb5/0x140 [ 429.403159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.408698] ? check_preemption_disabled+0x48/0x200 [ 429.413725] run_timer_softirq+0x52/0xb0 [ 429.417793] ? rcu_read_lock_sched_held+0x108/0x120 [ 429.422817] __do_softirq+0x30b/0xad8 [ 429.426640] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 429.431754] ? pvclock_read_flags+0x160/0x160 [ 429.436250] ? lapic_next_event+0x5a/0x90 [ 429.440404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.445947] ? check_preemption_disabled+0x48/0x200 [ 429.450972] ? check_preemption_disabled+0x48/0x200 [ 429.456031] ? kvm_clock_read+0x18/0x30 [ 429.460028] ? kvm_sched_clock_read+0x9/0x20 [ 429.464450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.469994] ? check_preemption_disabled+0x48/0x200 [ 429.475045] irq_exit+0x17f/0x1c0 [ 429.478511] smp_apic_timer_interrupt+0x1cb/0x760 [ 429.483363] ? smp_call_function_single_interrupt+0x650/0x650 [ 429.489288] ? interrupt_entry+0xb5/0xf0 [ 429.493357] ? trace_hardirqs_off_caller+0xbb/0x300 [ 429.498377] ? trace_hardirqs_off_caller+0xbb/0x300 [ 429.503400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.508249] ? trace_hardirqs_off+0x300/0x300 [ 429.512747] ? trace_hardirqs_off+0x300/0x300 [ 429.517251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.522789] ? check_preemption_disabled+0x48/0x200 [ 429.527813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.533363] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.538223] apic_timer_interrupt+0xf/0x20 [ 429.542454] [ 429.544694] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 429.549974] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 429.568893] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 429.576633] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 429.583999] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 429.591279] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 429.598551] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 429.605825] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 429.613128] ? arch_local_irq_restore+0x45/0x52 [ 429.617819] dump_stack+0x26a/0x2b4 [ 429.621453] ? dump_stack_print_info.cold.2+0x52/0x52 [ 429.626655] ? mark_held_locks+0x130/0x130 [ 429.630892] ? mark_held_locks+0x130/0x130 [ 429.635140] dump_header+0x27b/0xf72 [ 429.638869] ? pagefault_out_of_memory+0x197/0x197 [ 429.643804] ? mark_held_locks+0x130/0x130 [ 429.648043] ? __lock_acquire+0x7ec/0x4ec0 [ 429.652284] ? mem_cgroup_charge_statistics+0x780/0x780 [ 429.657651] ? print_usage_bug+0xc0/0xc0 [ 429.661711] ? print_usage_bug+0xc0/0xc0 [ 429.665786] ? graph_lock+0x170/0x170 [ 429.669585] ? graph_lock+0x170/0x170 [ 429.673396] ? print_usage_bug+0xc0/0xc0 [ 429.677459] ? print_usage_bug+0xc0/0xc0 [ 429.681531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.687074] ? find_held_lock+0x36/0x1c0 [ 429.691146] ? mark_held_locks+0xc7/0x130 [ 429.695305] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.700410] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.705517] ? lockdep_hardirqs_on+0x421/0x5c0 [ 429.710104] ? trace_hardirqs_on+0xbd/0x310 [ 429.714426] ? kasan_check_read+0x11/0x20 [ 429.718582] ? ___ratelimit+0x36f/0x655 [ 429.722565] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.728029] ? trace_hardirqs_on+0x310/0x310 [ 429.732440] ? lock_downgrade+0x900/0x900 [ 429.736605] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.741711] ? ___ratelimit+0xaa/0x655 [ 429.745609] ? idr_get_free+0xec0/0xec0 [ 429.749586] ? kasan_check_write+0x14/0x20 [ 429.753833] ? do_raw_spin_lock+0xc1/0x200 [ 429.758083] oom_kill_process.cold.27+0x10/0x903 [ 429.762846] ? graph_lock+0x170/0x170 [ 429.766647] ? _raw_spin_unlock+0x2c/0x50 [ 429.770796] ? oom_badness+0xe6/0xaa0 [ 429.774612] ? oom_evaluate_task+0x540/0x540 [ 429.779035] ? find_held_lock+0x36/0x1c0 [ 429.783105] ? out_of_memory+0x974/0x14c0 [ 429.787265] ? lock_downgrade+0x900/0x900 [ 429.791412] ? check_preemption_disabled+0x48/0x200 [ 429.796436] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 429.802233] ? kasan_check_read+0x11/0x20 [ 429.806388] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 429.811665] ? rcu_bh_qs+0xc0/0xc0 [ 429.815214] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 429.820236] ? oom_evaluate_task+0x302/0x540 [ 429.824650] out_of_memory+0xa86/0x14c0 [ 429.828759] ? oom_killer_disable+0x3a0/0x3a0 [ 429.833266] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 429.838201] ? __mutex_add_waiter+0x2a0/0x2a0 [ 429.842710] __alloc_pages_slowpath+0x2318/0x2d80 [ 429.847588] ? warn_alloc+0x120/0x120 [ 429.851410] ? find_get_entry+0x2f2/0xc40 [ 429.855572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.861123] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 429.866057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.871606] ? should_fail+0x22d/0xd01 [ 429.875504] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.880615] ? __lock_is_held+0xb5/0x140 [ 429.884704] ? __lock_is_held+0xb5/0x140 [ 429.888781] ? find_held_lock+0x36/0x1c0 [ 429.892851] ? ___might_sleep+0x1ed/0x300 [ 429.897001] ? lock_release+0x970/0x970 [ 429.900989] ? arch_local_save_flags+0x40/0x40 [ 429.905599] ? __might_sleep+0x95/0x190 [ 429.909581] __alloc_pages_nodemask+0xa80/0xde0 [ 429.914270] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 429.919292] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 429.925091] ? kasan_check_read+0x11/0x20 [ 429.929242] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 429.934530] ? graph_lock+0x170/0x170 [ 429.938338] ? print_usage_bug+0xc0/0xc0 [ 429.942406] ? graph_lock+0x170/0x170 [ 429.946212] ? graph_lock+0x170/0x170 [ 429.950028] ? __do_page_cache_readahead+0x7ce/0x980 [ 429.955144] ? find_held_lock+0x36/0x1c0 [ 429.959215] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 429.964763] alloc_pages_current+0x10c/0x210 [ 429.969177] ? lock_downgrade+0x900/0x900 [ 429.973334] __page_cache_alloc+0x38f/0x5b0 [ 429.977663] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 429.983458] ? kasan_check_read+0x11/0x20 [ 429.987616] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 429.992908] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 429.997583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.003128] ? check_preemption_disabled+0x48/0x200 [ 430.008160] filemap_fault+0x1594/0x25f0 [ 430.012239] ? __lock_page_or_retry+0xa00/0xa00 [ 430.017158] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 430.022954] ? kasan_check_read+0x11/0x20 [ 430.027113] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 430.032396] ? rcu_bh_qs+0xc0/0xc0 [ 430.035953] ? filemap_map_pages+0xdea/0x1980 [ 430.040458] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 430.045572] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 430.050852] ? debug_object_free+0x325/0x690 [ 430.055271] ? find_get_pages_range_tag+0x1320/0x1320 [ 430.060474] ? graph_lock+0x170/0x170 [ 430.064285] ? kasan_check_read+0x11/0x20 [ 430.068442] ? debug_object_destroy+0x2b0/0x2b0 [ 430.073128] ? lock_acquire+0x1ed/0x520 [ 430.077105] ? ext4_filemap_fault+0x7a/0xad [ 430.081435] ? lock_release+0x970/0x970 [ 430.085415] ? arch_local_save_flags+0x40/0x40 [ 430.090099] ? futex_wait_setup+0x3e0/0x3e0 [ 430.094440] ? down_read+0xb0/0x1d0 [ 430.098071] ? ext4_filemap_fault+0x7a/0xad [ 430.102399] ? __down_interruptible+0x700/0x700 [ 430.107094] ext4_filemap_fault+0x82/0xad [ 430.111349] __do_fault+0x100/0x6b0 [ 430.114985] ? print_bad_pte+0x6c0/0x6c0 [ 430.119059] ? do_futex+0x249/0x26d0 [ 430.122793] ? kasan_check_read+0x11/0x20 [ 430.126951] ? pmd_val+0x88/0x100 [ 430.130412] ? add_mm_counter_fast+0xd0/0xd0 [ 430.134825] ? pmd_val+0x88/0x100 [ 430.138285] ? add_mm_counter_fast+0xd0/0xd0 [ 430.142703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.148671] __handle_mm_fault+0x3709/0x53e0 [ 430.153084] ? perf_trace_lock+0x14d/0x7a0 [ 430.157332] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 430.162183] ? graph_lock+0x170/0x170 [ 430.165992] ? print_usage_bug+0xc0/0xc0 [ 430.170638] ? graph_lock+0x170/0x170 [ 430.174443] ? graph_lock+0x170/0x170 [ 430.178269] ? handle_mm_fault+0x42a/0xc70 [ 430.182511] ? lock_downgrade+0x900/0x900 [ 430.186659] ? check_preemption_disabled+0x48/0x200 [ 430.191687] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 430.197487] ? kasan_check_read+0x11/0x20 [ 430.201637] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 430.206917] ? rcu_bh_qs+0xc0/0xc0 [ 430.210460] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.215913] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.221450] ? check_preemption_disabled+0x48/0x200 [ 430.226483] handle_mm_fault+0x54f/0xc70 [ 430.230553] ? __handle_mm_fault+0x53e0/0x53e0 [ 430.235144] ? find_vma+0x34/0x190 [ 430.238693] __do_page_fault+0x67d/0xed0 [ 430.242767] ? mm_fault_error+0x380/0x380 [ 430.246919] ? trace_hardirqs_off+0xb8/0x300 [ 430.251326] ? trace_hardirqs_on+0x310/0x310 [ 430.255737] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 430.261115] ? trace_hardirqs_on+0x310/0x310 [ 430.265545] do_page_fault+0xf2/0x7e0 [ 430.269364] ? vmalloc_sync_all+0x30/0x30 [ 430.273522] ? error_entry+0x70/0xd0 [ 430.277243] ? trace_hardirqs_off_caller+0xbb/0x300 [ 430.282259] ? trace_hardirqs_on_caller+0xc0/0x300 [ 430.287195] ? syscall_return_slowpath+0x5e0/0x5e0 [ 430.292124] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.296972] ? trace_hardirqs_off+0x300/0x300 [ 430.301477] ? trace_hardirqs_off_caller+0x300/0x300 [ 430.306590] ? prepare_exit_to_usermode+0x291/0x3b0 [ 430.311621] ? page_fault+0x8/0x30 [ 430.315171] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.320033] ? page_fault+0x8/0x30 [ 430.323578] page_fault+0x1e/0x30 [ 430.327039] RIP: 0033:0x45ddf3 [ 430.330240] Code: Bad RIP value. [ 430.333610] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 430.338972] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 430.346246] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 430.353514] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 430.360783] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 430.368056] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 430.375363] warn_alloc_show_mem: 1 callbacks suppressed [ 430.375376] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 430.375379] Mem-Info: [ 430.375412] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 430.375412] active_file:16 inactive_file:17 isolated_file:0 [ 430.375412] unevictable:0 dirty:0 writeback:0 unstable:0 [ 430.375412] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 430.375412] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 430.375412] free:13771 free_pcp:233 free_cma:0 [ 430.380756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.388042] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 430.390443] Call Trace: [ 430.423328] Node 0 [ 430.432689] [ 430.460383] 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 [ 430.462949] dump_stack+0x1c4/0x2b4 [ 430.465160] lowmem_reserve[]: [ 430.467312] ? dump_stack_print_info.cold.2+0x52/0x52 [ 430.492792] 0 2815 [ 430.496443] warn_alloc.cold.118+0xb7/0x1bd [ 430.499506] 6318 [ 430.504706] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.506921] 6318 [ 430.511239] ? lock_downgrade+0x900/0x900 [ 430.518121] ? trace_hardirqs_off+0xb8/0x300 [ 430.520154] Node 0 [ 430.524295] ? trace_hardirqs_off+0xb8/0x300 [ 430.528697] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 430.530907] __alloc_pages_slowpath+0x2667/0x2d80 [ 430.535278] lowmem_reserve[]: 0 [ 430.562036] ? warn_alloc+0x120/0x120 [ 430.566825] 0 [ 430.570106] ? warn_alloc+0x120/0x120 [ 430.573874] 3503 [ 430.575678] ? print_usage_bug+0xc0/0xc0 [ 430.579448] 3503 [ 430.581507] ? warn_alloc+0x120/0x120 [ 430.587599] ? print_usage_bug+0xc0/0xc0 [ 430.591377] Node 0 [ 430.595428] ? __lock_acquire+0x7ec/0x4ec0 [ 430.595460] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 430.595468] lowmem_reserve[]: [ 430.597698] ? __lock_acquire+0x7ec/0x4ec0 [ 430.601907] 0 [ 430.630278] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.633352] 0 [ 430.637586] ? should_fail+0x22d/0xd01 [ 430.639361] 0 [ 430.644892] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.646665] 0 [ 430.650551] ? __lock_acquire+0x7ec/0x4ec0 [ 430.652328] Node 0 [ 430.657427] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.659201] DMA: [ 430.663428] ? __lock_acquire+0x7ec/0x4ec0 [ 430.665643] 1*4kB [ 430.670737] ? should_fail+0x22d/0xd01 [ 430.672772] (U) [ 430.677015] ? mark_held_locks+0x130/0x130 [ 430.679131] 0*8kB [ 430.683017] ? mark_held_locks+0x130/0x130 [ 430.684968] 0*16kB [ 430.689192] ? graph_lock+0x170/0x170 [ 430.691320] 1*32kB [ 430.695542] ? graph_lock+0x170/0x170 [ 430.697761] (U) [ 430.701557] ? graph_lock+0x170/0x170 [ 430.703776] 2*64kB [ 430.707593] ? print_usage_bug+0xc0/0xc0 [ 430.709547] (U) [ 430.713361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.715562] 1*128kB (U) [ 430.719638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.721582] 1*256kB (U) [ 430.727142] ? check_preemption_disabled+0x48/0x200 [ 430.729790] 0*512kB [ 430.735327] ? check_preemption_disabled+0x48/0x200 [ 430.735357] ? __lock_is_held+0xb5/0x140 [ 430.737999] 1*1024kB [ 430.743036] __alloc_pages_nodemask+0xa80/0xde0 [ 430.745327] (U) [ 430.750352] ? graph_lock+0x170/0x170 [ 430.754389] 1*2048kB [ 430.756801] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 430.761439] (M) [ 430.763418] ? graph_lock+0x170/0x170 [ 430.767192] 3*4096kB [ 430.769607] ? find_held_lock+0x36/0x1c0 [ 430.774589] (M) [ 430.776572] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.780336] = 15908kB [ 430.782742] ? lock_downgrade+0x900/0x900 [ 430.786773] Node 0 [ 430.788748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.793383] DMA32: [ 430.795792] cache_grow_begin+0x91/0x8c0 [ 430.799910] 3*4kB [ 430.802143] ? do_raw_spin_unlock+0xa7/0x2f0 [ 430.807654] (M) [ 430.809892] fallback_alloc+0x203/0x2e0 [ 430.813919] 2*8kB [ 430.816068] ____cache_alloc_node+0x1c7/0x1e0 [ 430.820445] (M) [ 430.822417] kmem_cache_alloc_node+0xe3/0x730 [ 430.826364] 2*16kB [ 430.828513] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.832978] (UM) [ 430.834956] __alloc_skb+0x119/0x770 [ 430.839412] 1*32kB (M) [ 430.841658] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 430.845861] 3*64kB [ 430.847950] ? skb_scrub_packet+0x490/0x490 [ 430.851635] (UM) [ 430.854223] ? lock_downgrade+0x900/0x900 [ 430.859473] 3*128kB [ 430.861755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.866040] (M) [ 430.868107] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.872220] 2*256kB [ 430.874541] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 430.880045] (M) [ 430.882030] ? addrconf_rs_timer+0x6f0/0x6f0 [ 430.887457] 3*512kB [ 430.889788] ndisc_alloc_skb+0x144/0x340 [ 430.895200] (M) [ 430.897175] ndisc_send_rs+0x331/0x6e0 [ 430.901555] 4*1024kB [ 430.903879] addrconf_rs_timer+0x3c0/0x6f0 [ 430.907907] (UM) [ 430.909881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.913743] 3*2048kB [ 430.916160] call_timer_fn+0x272/0x920 [ 430.920357] (M) [ 430.922418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.926629] 3*4096kB [ 430.929037] ? process_timeout+0x40/0x40 [ 430.932899] (M) [ 430.934875] ? find_held_lock+0x36/0x1c0 [ 430.939087] = 25244kB [ 430.941510] ? __run_timers+0x7da/0xc70 [ 430.945532] Node 0 [ 430.947506] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.951539] Normal: [ 430.953951] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.957894] 1139*4kB [ 430.960132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.964601] (MEH) [ 430.966920] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 430.971389] 438*8kB [ 430.973792] ? trace_hardirqs_on+0xbd/0x310 [ 430.977997] (UME) [ 430.980151] ? kasan_check_read+0x11/0x20 [ 430.984707] 175*16kB [ 430.987034] ? __run_timers+0x7da/0xc70 [ 430.991326] (UME) [ 430.993470] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.997590] 64*32kB [ 431.000001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.003951] (UMEH) [ 431.006105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.011525] 14*64kB [ 431.013840] __run_timers+0x7e5/0xc70 [ 431.018049] (UM) [ 431.020289] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 431.024487] 1*128kB [ 431.026807] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 431.030577] (H) [ 431.032635] ? graph_lock+0x170/0x170 [ 431.037966] 0*256kB 0*512kB [ 431.040294] ? enqueue_hrtimer+0x1a5/0x560 [ 431.045284] 0*1024kB [ 431.047252] ? lock_release+0x970/0x970 [ 431.051031] 0*2048kB [ 431.054062] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 431.058274] 0*4096kB [ 431.060682] ? find_held_lock+0x36/0x1c0 [ 431.064626] = 13932kB [ 431.067039] ? graph_lock+0x170/0x170 [ 431.072210] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 431.074605] ? pvclock_read_flags+0x160/0x160 [ 431.078665] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 431.081064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.084836] 788 total pagecache pages [ 431.093666] ? check_preemption_disabled+0x48/0x200 [ 431.098141] 0 pages in swap cache [ 431.106710] ? __lock_is_held+0xb5/0x140 [ 431.112216] Swap cache stats: add 0, delete 0, find 0/0 [ 431.116013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.121010] Free swap = 0kB [ 431.124456] ? check_preemption_disabled+0x48/0x200 [ 431.128492] Total swap = 0kB [ 431.133852] run_timer_softirq+0x52/0xb0 [ 431.139355] 1965979 pages RAM [ 431.142367] ? rcu_read_lock_sched_held+0x108/0x120 [ 431.147356] 0 pages HighMem/MovableOnly [ 431.150370] __do_softirq+0x30b/0xad8 [ 431.154398] 343323 pages reserved [ 431.154406] 0 pages cma reserved [ 431.157518] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 431.162576] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 431.166469] ? pvclock_read_flags+0x160/0x160 [ 431.166484] ? lapic_next_event+0x5a/0x90 [ 431.166503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.170350] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.173725] ? check_preemption_disabled+0x48/0x200 [ 431.177066] syz-fuzzer cpuset= [ 431.182153] ? check_preemption_disabled+0x48/0x200 [ 431.182175] ? kvm_clock_read+0x18/0x30 [ 431.188638] / [ 431.193131] ? kvm_sched_clock_read+0x9/0x20 [ 431.197252] mems_allowed=0 [ 431.202780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.244648] ? check_preemption_disabled+0x48/0x200 [ 431.249677] irq_exit+0x17f/0x1c0 [ 431.253141] smp_apic_timer_interrupt+0x1cb/0x760 [ 431.257987] ? smp_reschedule_interrupt+0x109/0x650 [ 431.263022] ? smp_call_function_single_interrupt+0x650/0x650 [ 431.268908] ? interrupt_entry+0xb5/0xf0 [ 431.272975] ? trace_hardirqs_off_caller+0xbb/0x300 [ 431.277998] ? trace_hardirqs_off_caller+0xbb/0x300 [ 431.283034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.287875] ? trace_hardirqs_off+0x300/0x300 [ 431.292369] ? trace_hardirqs_off+0x300/0x300 [ 431.296867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.302413] ? check_preemption_disabled+0x48/0x200 [ 431.307429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.313671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.318527] apic_timer_interrupt+0xf/0x20 [ 431.322757] [ 431.324995] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 431.329945] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 431.348843] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 431.356554] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 431.363821] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 431.371088] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 431.378362] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 431.385627] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 431.392943] skb_clone+0x1bb/0x500 [ 431.396486] ? finish_task_switch+0x2f5/0x900 [ 431.400984] ? skb_split+0x11e0/0x11e0 [ 431.404879] ? preempt_notifier_register+0x200/0x200 [ 431.409979] ? __switch_to_asm+0x34/0x70 [ 431.414052] ? __switch_to_asm+0x34/0x70 [ 431.418116] ? __switch_to_asm+0x40/0x70 [ 431.422175] ? __switch_to_asm+0x34/0x70 [ 431.426232] ? __switch_to_asm+0x40/0x70 [ 431.430288] ? __switch_to_asm+0x34/0x70 [ 431.434344] ? __switch_to_asm+0x40/0x70 [ 431.438403] ? __switch_to_asm+0x34/0x70 [ 431.442469] ? __switch_to_asm+0x34/0x70 [ 431.446528] ? __switch_to_asm+0x40/0x70 [ 431.450592] ? __switch_to_asm+0x34/0x70 [ 431.454668] bpf_clone_redirect+0xb9/0x490 [ 431.458909] ? __schedule+0x874/0x1ed0 [ 431.462807] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 431.467827] ? __sched_text_start+0x8/0x8 [ 431.471977] ? retint_kernel+0x2d/0x2d [ 431.475882] ? find_held_lock+0x36/0x1c0 [ 431.479952] ? lock_acquire+0x1ed/0x520 [ 431.483928] ? bpf_test_run+0x32e/0x5a0 [ 431.487904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.493441] ? check_preemption_disabled+0x48/0x200 [ 431.498465] ? kasan_check_read+0x11/0x20 [ 431.502617] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 431.507898] ? rcu_bh_qs+0xc0/0xc0 [ 431.511443] ? preempt_schedule+0x4d/0x60 [ 431.515593] ? ___preempt_schedule+0x16/0x18 [ 431.520018] ? bpf_test_run+0x1c0/0x5a0 [ 431.524012] ? netlink_diag_dump+0x2a0/0x2a0 [ 431.528426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.533962] ? bpf_test_init.isra.9+0x70/0x100 [ 431.538549] ? bpf_prog_test_run_skb+0x634/0xb40 [ 431.543315] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 431.548158] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 431.553698] ? fput+0x130/0x1a0 [ 431.556980] ? __bpf_prog_get+0x9b/0x290 [ 431.561051] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 431.565893] ? bpf_prog_test_run+0x130/0x1a0 [ 431.570307] ? __x64_sys_bpf+0x3d8/0x510 [ 431.574372] ? bpf_prog_get+0x20/0x20 [ 431.578186] ? ksys_ioctl+0x81/0xd0 [ 431.581827] ? do_syscall_64+0x1b9/0x820 [ 431.585890] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 431.591259] ? syscall_return_slowpath+0x5e0/0x5e0 [ 431.596190] ? trace_hardirqs_off+0x300/0x300 [ 431.600688] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 431.605706] ? recalc_sigpending_tsk+0x180/0x180 [ 431.610460] ? kasan_check_write+0x14/0x20 [ 431.614706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.619564] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 431.624954] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 431.625054] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 431.631880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.631889] Call Trace: [ 431.638634] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.647725] [ 431.650307] syz-executor6 cpuset= [ 431.660801] dump_stack+0x1c4/0x2b4 [ 431.662922] syz6 [ 431.666374] ? dump_stack_print_info.cold.2+0x52/0x52 [ 431.669978] mems_allowed=0 [ 431.671953] warn_alloc.cold.118+0xb7/0x1bd [ 431.684354] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 431.689201] ? lock_downgrade+0x900/0x900 [ 431.693359] ? trace_hardirqs_off+0xb8/0x300 [ 431.697774] ? trace_hardirqs_off+0xb8/0x300 [ 431.702224] __alloc_pages_slowpath+0x2667/0x2d80 [ 431.707102] ? warn_alloc+0x120/0x120 [ 431.710912] ? warn_alloc+0x120/0x120 [ 431.714715] ? print_usage_bug+0xc0/0xc0 [ 431.718776] ? warn_alloc+0x120/0x120 [ 431.722584] ? print_usage_bug+0xc0/0xc0 [ 431.726659] ? __lock_acquire+0x7ec/0x4ec0 [ 431.730900] ? __lock_acquire+0x7ec/0x4ec0 [ 431.735144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.740681] ? should_fail+0x22d/0xd01 [ 431.744577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.749683] ? __lock_acquire+0x7ec/0x4ec0 [ 431.753921] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.759027] ? __lock_acquire+0x7ec/0x4ec0 [ 431.763264] ? should_fail+0x22d/0xd01 [ 431.767170] ? mark_held_locks+0x130/0x130 [ 431.771414] ? mark_held_locks+0x130/0x130 [ 431.775652] ? graph_lock+0x170/0x170 [ 431.779458] ? graph_lock+0x170/0x170 [ 431.783265] ? graph_lock+0x170/0x170 [ 431.787068] ? print_usage_bug+0xc0/0xc0 [ 431.791131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.796668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.802207] ? check_preemption_disabled+0x48/0x200 [ 431.807225] ? check_preemption_disabled+0x48/0x200 [ 431.812258] ? __lock_is_held+0xb5/0x140 [ 431.816334] __alloc_pages_nodemask+0xa80/0xde0 [ 431.821015] ? graph_lock+0x170/0x170 [ 431.824822] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 431.829837] ? graph_lock+0x170/0x170 [ 431.833649] ? find_held_lock+0x36/0x1c0 [ 431.837720] ? ____cache_alloc_node+0x1c7/0x1e0 [ 431.842391] ? lock_downgrade+0x900/0x900 [ 431.846550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.852097] cache_grow_begin+0x91/0x8c0 [ 431.856163] ? do_raw_spin_unlock+0xa7/0x2f0 [ 431.860580] fallback_alloc+0x203/0x2e0 [ 431.864569] ____cache_alloc_node+0x1c7/0x1e0 [ 431.869076] kmem_cache_alloc_node+0xe3/0x730 [ 431.873577] ? ipv6_get_ifaddr+0x42e/0x620 [ 431.877828] __alloc_skb+0x119/0x770 [ 431.881549] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 431.886830] ? skb_scrub_packet+0x490/0x490 [ 431.891153] ? lock_downgrade+0x900/0x900 [ 431.895315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.900854] ? refcount_sub_and_test_checked+0x203/0x310 [ 431.906315] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 431.911769] ? addrconf_rs_timer+0x6f0/0x6f0 [ 431.916193] ndisc_alloc_skb+0x144/0x340 [ 431.920264] ndisc_send_rs+0x331/0x6e0 [ 431.924161] addrconf_rs_timer+0x3c0/0x6f0 [ 431.928407] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.932658] call_timer_fn+0x272/0x920 [ 431.936547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.940785] ? process_timeout+0x40/0x40 [ 431.944863] ? find_held_lock+0x36/0x1c0 [ 431.948936] ? mark_held_locks+0xc7/0x130 [ 431.953088] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.957587] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.962086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.966323] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 431.970909] ? trace_hardirqs_on+0xbd/0x310 [ 431.975231] ? kasan_check_read+0x11/0x20 [ 431.979391] ? __run_timers+0x7da/0xc70 [ 431.983370] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.988830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.993078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.997318] __run_timers+0x7e5/0xc70 [ 432.001135] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 432.006503] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 432.011786] ? rcu_bh_qs+0xc0/0xc0 [ 432.015334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.021145] ? mark_held_locks+0xc7/0x130 [ 432.025298] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 432.030063] ? retint_kernel+0x2d/0x2d [ 432.033950] ? trace_hardirqs_on_caller+0xc0/0x300 [ 432.038879] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 432.043635] ? trace_hardirqs_off_caller+0x300/0x300 [ 432.048739] ? check_preemption_disabled+0x48/0x200 [ 432.053758] ? graph_lock+0x170/0x170 [ 432.057568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.063115] ? check_preemption_disabled+0x48/0x200 [ 432.068150] ? __lock_is_held+0xb5/0x140 [ 432.072220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.077760] ? check_preemption_disabled+0x48/0x200 [ 432.082792] run_timer_softirq+0x52/0xb0 [ 432.086859] ? rcu_read_lock_sched_held+0x108/0x120 [ 432.091881] __do_softirq+0x30b/0xad8 [ 432.095695] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 432.100806] ? pvclock_read_flags+0x160/0x160 [ 432.105399] ? lapic_next_event+0x5a/0x90 [ 432.109551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.115092] ? check_preemption_disabled+0x48/0x200 [ 432.120111] ? check_preemption_disabled+0x48/0x200 [ 432.125139] ? kvm_clock_read+0x18/0x30 [ 432.129119] ? kvm_sched_clock_read+0x9/0x20 [ 432.133536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.139079] ? check_preemption_disabled+0x48/0x200 [ 432.144113] irq_exit+0x17f/0x1c0 [ 432.147577] smp_apic_timer_interrupt+0x1cb/0x760 [ 432.152935] ? smp_call_function_single_interrupt+0x650/0x650 [ 432.158822] ? interrupt_entry+0xb5/0xf0 [ 432.162889] ? trace_hardirqs_off_caller+0xbb/0x300 [ 432.167906] ? trace_hardirqs_off_caller+0xbb/0x300 [ 432.172924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.177770] ? trace_hardirqs_off+0x300/0x300 [ 432.182266] ? trace_hardirqs_off+0x300/0x300 [ 432.186766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.192304] ? check_preemption_disabled+0x48/0x200 [ 432.197325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.202871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.207726] apic_timer_interrupt+0xf/0x20 [ 432.211958] [ 432.214210] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 432.219493] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 432.238395] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 432.246109] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 432.253381] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 432.260652] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 432.267923] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 432.275193] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 432.282493] ? arch_local_irq_restore+0x45/0x52 [ 432.287177] dump_stack+0x26a/0x2b4 [ 432.290806] ? dump_stack_print_info.cold.2+0x52/0x52 [ 432.296012] ? mark_held_locks+0x130/0x130 [ 432.300249] ? mark_held_locks+0x130/0x130 [ 432.304494] dump_header+0x27b/0xf72 [ 432.308224] ? pagefault_out_of_memory+0x197/0x197 [ 432.313160] ? mark_held_locks+0x130/0x130 [ 432.317398] ? __lock_acquire+0x7ec/0x4ec0 [ 432.321642] ? mem_cgroup_charge_statistics+0x780/0x780 [ 432.327040] ? print_usage_bug+0xc0/0xc0 [ 432.331124] ? print_usage_bug+0xc0/0xc0 [ 432.335209] ? graph_lock+0x170/0x170 [ 432.339029] ? graph_lock+0x170/0x170 [ 432.342848] ? print_usage_bug+0xc0/0xc0 [ 432.346917] ? print_usage_bug+0xc0/0xc0 [ 432.351002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.356573] ? find_held_lock+0x36/0x1c0 [ 432.360662] ? mark_held_locks+0xc7/0x130 [ 432.364830] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 432.369953] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 432.375074] ? lockdep_hardirqs_on+0x421/0x5c0 [ 432.379671] ? trace_hardirqs_on+0xbd/0x310 [ 432.384001] ? kasan_check_read+0x11/0x20 [ 432.388170] ? ___ratelimit+0x36f/0x655 [ 432.392157] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.397623] ? trace_hardirqs_on+0x310/0x310 [ 432.402043] ? lock_downgrade+0x900/0x900 [ 432.406210] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 432.411317] ? ___ratelimit+0xaa/0x655 [ 432.415214] ? idr_get_free+0xec0/0xec0 [ 432.419188] ? kasan_check_write+0x14/0x20 [ 432.423428] ? do_raw_spin_lock+0xc1/0x200 [ 432.427681] oom_kill_process.cold.27+0x10/0x903 [ 432.432444] ? graph_lock+0x170/0x170 [ 432.436250] ? _raw_spin_unlock+0x2c/0x50 [ 432.440401] ? oom_badness+0xe6/0xaa0 [ 432.444216] ? oom_evaluate_task+0x540/0x540 [ 432.448640] ? find_held_lock+0x36/0x1c0 [ 432.452713] ? out_of_memory+0x974/0x14c0 [ 432.456866] ? lock_downgrade+0x900/0x900 [ 432.461023] ? check_preemption_disabled+0x48/0x200 [ 432.466057] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 432.471854] ? kasan_check_read+0x11/0x20 [ 432.476019] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 432.481303] ? rcu_bh_qs+0xc0/0xc0 [ 432.484855] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 432.489872] ? oom_evaluate_task+0x302/0x540 [ 432.494294] out_of_memory+0xa86/0x14c0 [ 432.498286] ? oom_killer_disable+0x3a0/0x3a0 [ 432.502783] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 432.507721] ? __mutex_add_waiter+0x2a0/0x2a0 [ 432.512237] __alloc_pages_slowpath+0x2318/0x2d80 [ 432.517120] ? warn_alloc+0x120/0x120 [ 432.520940] ? find_get_entry+0x2f2/0xc40 [ 432.525107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.530655] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 432.535591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.541140] ? should_fail+0x22d/0xd01 [ 432.545045] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.550161] ? __lock_is_held+0xb5/0x140 [ 432.554269] ? __lock_is_held+0xb5/0x140 [ 432.558370] ? find_held_lock+0x36/0x1c0 [ 432.562447] ? ___might_sleep+0x1ed/0x300 [ 432.566604] ? lock_release+0x970/0x970 [ 432.570591] ? arch_local_save_flags+0x40/0x40 [ 432.575212] ? __might_sleep+0x95/0x190 [ 432.579200] __alloc_pages_nodemask+0xa80/0xde0 [ 432.583877] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 432.588905] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 432.594702] ? kasan_check_read+0x11/0x20 [ 432.598856] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 432.604143] ? graph_lock+0x170/0x170 [ 432.607945] ? print_usage_bug+0xc0/0xc0 [ 432.612019] ? graph_lock+0x170/0x170 [ 432.615819] ? graph_lock+0x170/0x170 [ 432.619629] ? __do_page_cache_readahead+0x7ce/0x980 [ 432.624755] ? find_held_lock+0x36/0x1c0 [ 432.628826] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 432.634372] alloc_pages_current+0x10c/0x210 [ 432.638783] ? lock_downgrade+0x900/0x900 [ 432.642943] __page_cache_alloc+0x38f/0x5b0 [ 432.647272] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 432.653072] ? kasan_check_read+0x11/0x20 [ 432.657232] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 432.662520] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 432.667198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.672741] ? check_preemption_disabled+0x48/0x200 [ 432.677770] filemap_fault+0x1594/0x25f0 [ 432.681850] ? __lock_page_or_retry+0xa00/0xa00 [ 432.686528] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 432.692334] ? kasan_check_read+0x11/0x20 [ 432.696495] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 432.701789] ? rcu_bh_qs+0xc0/0xc0 [ 432.705366] ? filemap_map_pages+0xdea/0x1980 [ 432.709874] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 432.714987] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 432.720274] ? debug_object_free+0x325/0x690 [ 432.724692] ? find_get_pages_range_tag+0x1320/0x1320 [ 432.729890] ? graph_lock+0x170/0x170 [ 432.733702] ? kasan_check_read+0x11/0x20 [ 432.737852] ? debug_object_destroy+0x2b0/0x2b0 [ 432.742538] ? lock_acquire+0x1ed/0x520 [ 432.746515] ? ext4_filemap_fault+0x7a/0xad [ 432.750842] ? lock_release+0x970/0x970 [ 432.754818] ? arch_local_save_flags+0x40/0x40 [ 432.759408] ? futex_wait_setup+0x3e0/0x3e0 [ 432.763743] ? down_read+0xb0/0x1d0 [ 432.767372] ? ext4_filemap_fault+0x7a/0xad [ 432.771692] ? __down_interruptible+0x700/0x700 [ 432.776383] ext4_filemap_fault+0x82/0xad [ 432.780539] __do_fault+0x100/0x6b0 [ 432.784174] ? print_bad_pte+0x6c0/0x6c0 [ 432.788241] ? do_futex+0x249/0x26d0 [ 432.791958] ? kasan_check_read+0x11/0x20 [ 432.796108] ? pmd_val+0x88/0x100 [ 432.799571] ? add_mm_counter_fast+0xd0/0xd0 [ 432.804016] ? pmd_val+0x88/0x100 [ 432.807738] ? add_mm_counter_fast+0xd0/0xd0 [ 432.812159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.817710] __handle_mm_fault+0x3709/0x53e0 [ 432.822123] ? perf_trace_lock+0x14d/0x7a0 [ 432.826370] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 432.831217] ? graph_lock+0x170/0x170 [ 432.835035] ? print_usage_bug+0xc0/0xc0 [ 432.839105] ? graph_lock+0x170/0x170 [ 432.842904] ? graph_lock+0x170/0x170 [ 432.846727] ? handle_mm_fault+0x42a/0xc70 [ 432.850963] ? lock_downgrade+0x900/0x900 [ 432.855115] ? check_preemption_disabled+0x48/0x200 [ 432.860146] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 432.865946] ? kasan_check_read+0x11/0x20 [ 432.870099] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 432.875376] ? rcu_bh_qs+0xc0/0xc0 [ 432.878920] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.884372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.889909] ? check_preemption_disabled+0x48/0x200 [ 432.894942] handle_mm_fault+0x54f/0xc70 [ 432.899020] ? __handle_mm_fault+0x53e0/0x53e0 [ 432.903613] ? find_vma+0x34/0x190 [ 432.907162] __do_page_fault+0x67d/0xed0 [ 432.911235] ? mm_fault_error+0x380/0x380 [ 432.915384] ? trace_hardirqs_off+0xb8/0x300 [ 432.919790] ? trace_hardirqs_on+0x310/0x310 [ 432.924205] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 432.929572] ? trace_hardirqs_on+0x310/0x310 [ 432.933996] do_page_fault+0xf2/0x7e0 [ 432.937809] ? vmalloc_sync_all+0x30/0x30 [ 432.941959] ? error_entry+0x70/0xd0 [ 432.945673] ? trace_hardirqs_off_caller+0xbb/0x300 [ 432.950687] ? trace_hardirqs_on_caller+0xc0/0x300 [ 432.955623] ? syscall_return_slowpath+0x5e0/0x5e0 [ 432.960555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.965401] ? trace_hardirqs_off+0x300/0x300 [ 432.969896] ? trace_hardirqs_off_caller+0x300/0x300 [ 432.975017] ? prepare_exit_to_usermode+0x291/0x3b0 [ 432.980051] ? page_fault+0x8/0x30 [ 432.983604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.988454] ? page_fault+0x8/0x30 [ 432.991999] page_fault+0x1e/0x30 [ 432.995462] RIP: 0033:0x45ddf3 [ 432.998660] Code: Bad RIP value. [ 433.002028] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 433.007392] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 433.014659] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 433.021925] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 433.029194] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 433.036463] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 433.043759] warn_alloc_show_mem: 1 callbacks suppressed [ 433.043772] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 433.043774] Mem-Info: [ 433.043808] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 433.043808] active_file:16 inactive_file:17 isolated_file:0 [ 433.043808] unevictable:0 dirty:0 writeback:0 unstable:0 [ 433.043808] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 433.043808] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 433.043808] free:13771 free_pcp:233 free_cma:0 [ 433.049148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.056429] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 433.058824] Call Trace: [ 433.091705] Node 0 [ 433.101060] [ 433.128761] 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 [ 433.131329] dump_stack+0x1c4/0x2b4 [ 433.133524] lowmem_reserve[]: 0 [ 433.135684] ? dump_stack_print_info.cold.2+0x52/0x52 [ 433.161172] 2815 6318 [ 433.164837] warn_alloc.cold.118+0xb7/0x1bd [ 433.168065] 6318 [ 433.173254] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 433.180059] ? lock_downgrade+0x900/0x900 [ 433.182094] Node 0 [ 433.186939] ? trace_hardirqs_off+0xb8/0x300 [ 433.191083] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 433.193295] ? trace_hardirqs_off+0xb8/0x300 [ 433.197666] lowmem_reserve[]: 0 [ 433.224417] __alloc_pages_slowpath+0x2667/0x2d80 [ 433.228816] 0 [ 433.232133] ? warn_alloc+0x120/0x120 [ 433.236920] 3503 [ 433.238728] ? warn_alloc+0x120/0x120 [ 433.242485] 3503 [ 433.244553] ? print_usage_bug+0xc0/0xc0 [ 433.248325] Node 0 [ 433.250388] ? warn_alloc+0x120/0x120 [ 433.254448] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 433.256659] ? print_usage_bug+0xc0/0xc0 [ 433.260436] lowmem_reserve[]: [ 433.288827] ? __lock_acquire+0x7ec/0x4ec0 [ 433.292862] 0 [ 433.295970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.300169] 0 [ 433.301966] ? should_fail+0x22d/0xd01 [ 433.307469] 0 0 [ 433.309280] ? __lock_acquire+0x7ec/0x4ec0 [ 433.315115] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.319323] Node 0 DMA: [ 433.324425] ? __lock_acquire+0x7ec/0x4ec0 [ 433.324444] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.327090] 1*4kB [ 433.331315] ? __lock_acquire+0x7ec/0x4ec0 [ 433.331332] ? should_fail+0x22d/0xd01 [ 433.336413] (U) [ 433.338582] ? mark_held_locks+0x130/0x130 [ 433.342788] 0*8kB [ 433.346671] ? mark_held_locks+0x130/0x130 [ 433.348629] 0*16kB [ 433.352862] ? try_to_wake_up+0x10a/0x12f0 [ 433.354985] 1*32kB [ 433.359221] ? graph_lock+0x170/0x170 [ 433.361430] (U) [ 433.365660] ? print_usage_bug+0xc0/0xc0 [ 433.367872] 2*64kB [ 433.371685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.373634] (U) [ 433.377688] ? check_preemption_disabled+0x48/0x200 [ 433.379900] 1*128kB [ 433.385433] ? check_preemption_disabled+0x48/0x200 [ 433.387387] (U) [ 433.392409] ? __lock_is_held+0xb5/0x140 [ 433.394703] 1*256kB [ 433.399715] __alloc_pages_nodemask+0xa80/0xde0 [ 433.401661] (U) [ 433.405717] ? graph_lock+0x170/0x170 [ 433.408023] 0*512kB [ 433.412686] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 433.414634] 1*1024kB [ 433.418447] ? graph_lock+0x170/0x170 [ 433.420746] (U) [ 433.425770] ? find_held_lock+0x36/0x1c0 [ 433.428146] 1*2048kB [ 433.431951] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.433892] (M) [ 433.437947] ? lock_downgrade+0x900/0x900 [ 433.440333] 3*4096kB [ 433.445002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.446951] (M) [ 433.451104] cache_grow_begin+0x91/0x8c0 [ 433.453477] = 15908kB [ 433.459019] ? do_raw_spin_unlock+0xa7/0x2f0 [ 433.460970] Node 0 [ 433.465123] fallback_alloc+0x203/0x2e0 [ 433.467499] DMA32: [ 433.471904] ____cache_alloc_node+0x1c7/0x1e0 [ 433.474112] 3*4kB [ 433.478103] kmem_cache_alloc_node+0xe3/0x730 [ 433.480301] (M) [ 433.484795] ? ipv6_get_ifaddr+0x42e/0x620 [ 433.486919] 2*8kB [ 433.491414] __alloc_skb+0x119/0x770 [ 433.493356] (M) [ 433.497592] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 433.499714] 2*16kB [ 433.503421] ? skb_scrub_packet+0x490/0x490 [ 433.505367] (UM) [ 433.510642] ? lock_downgrade+0x900/0x900 [ 433.512853] 1*32kB [ 433.517172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.519205] (M) [ 433.523351] ? refcount_sub_and_test_checked+0x203/0x310 [ 433.525558] 3*64kB [ 433.531089] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 433.533040] (UM) [ 433.538486] ? addrconf_rs_timer+0x6f0/0x6f0 [ 433.540693] 3*128kB [ 433.546146] ndisc_alloc_skb+0x144/0x340 [ 433.548175] (M) [ 433.552580] ndisc_send_rs+0x331/0x6e0 [ 433.554876] 2*256kB [ 433.558935] addrconf_rs_timer+0x3c0/0x6f0 [ 433.560880] (M) [ 433.564760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.567058] 3*512kB [ 433.571305] call_timer_fn+0x272/0x920 [ 433.573243] (M) [ 433.577468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.579762] 4*1024kB (UM) [ 433.583653] ? process_timeout+0x40/0x40 [ 433.585606] 3*2048kB [ 433.589829] ? find_held_lock+0x36/0x1c0 [ 433.589853] ? __run_timers+0x7da/0xc70 [ 433.592670] (M) [ 433.596729] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.599104] 3*4096kB (M) [ 433.603166] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.607111] = 25244kB [ 433.607119] Node 0 [ 433.609092] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.613560] Normal: [ 433.616313] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 433.620779] 1139*4kB [ 433.623182] ? trace_hardirqs_on+0xbd/0x310 [ 433.625388] (MEH) [ 433.629609] ? kasan_check_read+0x11/0x20 [ 433.629629] ? __run_timers+0x7da/0xc70 [ 433.631930] 438*8kB [ 433.636509] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 433.638895] (UME) [ 433.643212] ? work_on_cpu_safe+0x90/0x90 [ 433.645338] 175*16kB [ 433.649485] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.653428] (UME) [ 433.655750] __run_timers+0x7e5/0xc70 [ 433.661173] 64*32kB [ 433.663323] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 433.667434] (UMEH) [ 433.669840] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 433.674047] 14*64kB [ 433.676190] ? graph_lock+0x170/0x170 [ 433.679962] (UM) [ 433.682280] ? enqueue_hrtimer+0x1a5/0x560 [ 433.687623] 1*128kB [ 433.689853] ? lock_release+0x970/0x970 [ 433.694840] (H) [ 433.697161] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 433.700934] 0*256kB [ 433.702991] ? find_held_lock+0x36/0x1c0 [ 433.707194] 0*512kB [ 433.709512] ? graph_lock+0x170/0x170 [ 433.713458] 0*1024kB [ 433.715429] ? pvclock_read_flags+0x160/0x160 [ 433.720585] 0*2048kB 0*4096kB [ 433.722919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.726951] = 13932kB [ 433.729271] ? check_preemption_disabled+0x48/0x200 [ 433.733051] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 433.735456] ? __lock_is_held+0xb5/0x140 [ 433.739921] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 433.739930] 788 total pagecache pages [ 433.743128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.748643] 0 pages in swap cache [ 433.751054] ? check_preemption_disabled+0x48/0x200 [ 433.756053] Swap cache stats: add 0, delete 0, find 0/0 [ 433.764925] run_timer_softirq+0x52/0xb0 [ 433.768964] Free swap = 0kB [ 433.777553] ? rcu_read_lock_sched_held+0x108/0x120 [ 433.781327] Total swap = 0kB [ 433.786872] __do_softirq+0x30b/0xad8 [ 433.790292] 1965979 pages RAM [ 433.795320] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 433.800644] 0 pages HighMem/MovableOnly [ 433.800653] 343323 pages reserved [ 433.804721] ? pvclock_read_flags+0x160/0x160 [ 433.807710] 0 pages cma reserved [ 433.812724] ? lapic_next_event+0x5a/0x90 [ 433.815795] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 433.819518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.822737] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 433.827699] ? check_preemption_disabled+0x48/0x200 [ 433.831645] syz-fuzzer cpuset= [ 433.835096] ? check_preemption_disabled+0x48/0x200 [ 433.839567] / [ 433.842932] ? kvm_clock_read+0x18/0x30 [ 433.847051] mems_allowed=0 [ 433.853540] ? kvm_sched_clock_read+0x9/0x20 [ 433.895443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.900992] ? check_preemption_disabled+0x48/0x200 [ 433.906041] irq_exit+0x17f/0x1c0 [ 433.909506] smp_apic_timer_interrupt+0x1cb/0x760 [ 433.914354] ? smp_reschedule_interrupt+0x109/0x650 [ 433.919374] ? smp_call_function_single_interrupt+0x650/0x650 [ 433.925261] ? interrupt_entry+0xb5/0xf0 [ 433.929331] ? trace_hardirqs_off_caller+0xbb/0x300 [ 433.934351] ? trace_hardirqs_off_caller+0xbb/0x300 [ 433.939377] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.944224] ? trace_hardirqs_off+0x300/0x300 [ 433.948722] ? trace_hardirqs_off+0x300/0x300 [ 433.953221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.958790] ? check_preemption_disabled+0x48/0x200 [ 433.963834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.969410] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.974289] apic_timer_interrupt+0xf/0x20 [ 433.978531] [ 433.980786] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 433.985825] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 434.004748] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 434.012481] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 434.020132] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 434.027423] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 434.034713] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 434.042001] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 434.049349] skb_clone+0x1bb/0x500 [ 434.052911] ? finish_task_switch+0x2f5/0x900 [ 434.057424] ? skb_split+0x11e0/0x11e0 [ 434.061331] ? preempt_notifier_register+0x200/0x200 [ 434.066446] ? __switch_to_asm+0x34/0x70 [ 434.070518] ? __switch_to_asm+0x34/0x70 [ 434.074583] ? __switch_to_asm+0x40/0x70 [ 434.078651] ? __switch_to_asm+0x34/0x70 [ 434.082719] ? __switch_to_asm+0x40/0x70 [ 434.086788] ? __switch_to_asm+0x34/0x70 [ 434.090858] ? __switch_to_asm+0x40/0x70 [ 434.094933] ? __switch_to_asm+0x34/0x70 [ 434.099024] ? __switch_to_asm+0x34/0x70 [ 434.103107] ? __switch_to_asm+0x40/0x70 [ 434.107174] ? __switch_to_asm+0x34/0x70 [ 434.111261] bpf_clone_redirect+0xb9/0x490 [ 434.115509] ? __schedule+0x874/0x1ed0 [ 434.119413] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 434.124446] ? __sched_text_start+0x8/0x8 [ 434.128615] ? retint_kernel+0x2d/0x2d [ 434.132537] ? find_held_lock+0x36/0x1c0 [ 434.136629] ? lock_acquire+0x1ed/0x520 [ 434.140620] ? bpf_test_run+0x32e/0x5a0 [ 434.144614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.150679] ? check_preemption_disabled+0x48/0x200 [ 434.155730] ? kasan_check_read+0x11/0x20 [ 434.159910] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 434.165213] ? rcu_bh_qs+0xc0/0xc0 [ 434.168777] ? preempt_schedule+0x4d/0x60 [ 434.172936] ? ___preempt_schedule+0x16/0x18 [ 434.177367] ? bpf_test_run+0x1c0/0x5a0 [ 434.181360] ? netlink_diag_dump+0x2a0/0x2a0 [ 434.185783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.191345] ? bpf_test_init.isra.9+0x70/0x100 [ 434.195965] ? bpf_prog_test_run_skb+0x634/0xb40 [ 434.200765] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 434.205635] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 434.211205] ? fput+0x130/0x1a0 [ 434.214519] ? __bpf_prog_get+0x9b/0x290 [ 434.218611] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 434.223475] ? bpf_prog_test_run+0x130/0x1a0 [ 434.227907] ? __x64_sys_bpf+0x3d8/0x510 [ 434.231986] ? bpf_prog_get+0x20/0x20 [ 434.235815] ? ksys_ioctl+0x81/0xd0 [ 434.239471] ? do_syscall_64+0x1b9/0x820 [ 434.243551] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 434.248949] ? syscall_return_slowpath+0x5e0/0x5e0 [ 434.253919] ? trace_hardirqs_off+0x300/0x300 [ 434.258456] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 434.263508] ? recalc_sigpending_tsk+0x180/0x180 [ 434.268300] ? kasan_check_write+0x14/0x20 [ 434.272561] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.277439] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 434.282842] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93 [ 434.282932] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 434.289791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 434.289805] Call Trace: [ 434.296498] syz-executor6: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.305702] [ 434.308288] syz-executor6 cpuset= [ 434.318799] dump_stack+0x1c4/0x2b4 [ 434.320929] syz6 [ 434.324398] ? dump_stack_print_info.cold.2+0x52/0x52 [ 434.328001] mems_allowed=0 [ 434.338148] warn_alloc.cold.118+0xb7/0x1bd [ 434.342496] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 434.347365] ? lock_downgrade+0x900/0x900 [ 434.351537] ? trace_hardirqs_off+0xb8/0x300 [ 434.355964] ? trace_hardirqs_off+0xb8/0x300 [ 434.360395] __alloc_pages_slowpath+0x2667/0x2d80 [ 434.365286] ? warn_alloc+0x120/0x120 [ 434.369100] ? warn_alloc+0x120/0x120 [ 434.372915] ? print_usage_bug+0xc0/0xc0 [ 434.376991] ? warn_alloc+0x120/0x120 [ 434.380809] ? graph_lock+0x170/0x170 [ 434.384627] ? print_usage_bug+0xc0/0xc0 [ 434.388707] ? __lock_acquire+0x7ec/0x4ec0 [ 434.392950] ? __lock_acquire+0x7ec/0x4ec0 [ 434.397205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.402870] ? should_fail+0x22d/0xd01 [ 434.406786] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.411914] ? __lock_acquire+0x7ec/0x4ec0 [ 434.416182] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.421309] ? __lock_acquire+0x7ec/0x4ec0 [ 434.425566] ? should_fail+0x22d/0xd01 [ 434.429487] ? mark_held_locks+0x130/0x130 [ 434.433743] ? mark_held_locks+0x130/0x130 [ 434.437994] ? find_held_lock+0x36/0x1c0 [ 434.442103] ? graph_lock+0x170/0x170 [ 434.445928] ? print_usage_bug+0xc0/0xc0 [ 434.450037] ? lock_downgrade+0x900/0x900 [ 434.454208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.459764] ? check_preemption_disabled+0x48/0x200 [ 434.464796] ? check_preemption_disabled+0x48/0x200 [ 434.469843] ? __lock_is_held+0xb5/0x140 [ 434.473930] __alloc_pages_nodemask+0xa80/0xde0 [ 434.478629] ? graph_lock+0x170/0x170 [ 434.482456] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 434.487500] ? graph_lock+0x170/0x170 [ 434.491336] ? find_held_lock+0x36/0x1c0 [ 434.495424] ? ____cache_alloc_node+0x1c7/0x1e0 [ 434.500122] ? lock_downgrade+0x900/0x900 [ 434.504293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.509854] cache_grow_begin+0x91/0x8c0 [ 434.513930] ? do_raw_spin_unlock+0xa7/0x2f0 [ 434.518367] fallback_alloc+0x203/0x2e0 [ 434.522367] ____cache_alloc_node+0x1c7/0x1e0 [ 434.526889] kmem_cache_alloc_node+0xe3/0x730 [ 434.531407] ? ipv6_get_ifaddr+0x42e/0x620 [ 434.535678] __alloc_skb+0x119/0x770 [ 434.539419] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 434.544723] ? skb_scrub_packet+0x490/0x490 [ 434.549073] ? lock_downgrade+0x900/0x900 [ 434.553247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.558806] ? refcount_sub_and_test_checked+0x203/0x310 [ 434.564294] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 434.569770] ? addrconf_rs_timer+0x6f0/0x6f0 [ 434.574219] ndisc_alloc_skb+0x144/0x340 [ 434.578299] ndisc_send_rs+0x331/0x6e0 [ 434.582209] addrconf_rs_timer+0x3c0/0x6f0 [ 434.586460] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.590721] call_timer_fn+0x272/0x920 [ 434.594626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.598873] ? process_timeout+0x40/0x40 [ 434.602943] ? find_held_lock+0x36/0x1c0 [ 434.607034] ? mark_held_locks+0xc7/0x130 [ 434.611203] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.615710] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.620214] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.624461] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 434.629054] ? trace_hardirqs_on+0xbd/0x310 [ 434.633382] ? kasan_check_read+0x11/0x20 [ 434.637539] ? __run_timers+0x7da/0xc70 [ 434.641523] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.646995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.651248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.655494] __run_timers+0x7e5/0xc70 [ 434.659313] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 434.664684] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 434.669968] ? rcu_bh_qs+0xc0/0xc0 [ 434.673519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.679073] ? mark_held_locks+0xc7/0x130 [ 434.683249] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 434.688027] ? retint_kernel+0x2d/0x2d [ 434.691927] ? trace_hardirqs_on_caller+0xc0/0x300 [ 434.696871] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 434.701642] ? trace_hardirqs_off_caller+0x300/0x300 [ 434.706760] ? check_preemption_disabled+0x48/0x200 [ 434.711794] ? graph_lock+0x170/0x170 [ 434.715621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.721177] ? check_preemption_disabled+0x48/0x200 [ 434.726224] ? __lock_is_held+0xb5/0x140 [ 434.730309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.735863] ? check_preemption_disabled+0x48/0x200 [ 434.740909] run_timer_softirq+0x52/0xb0 [ 434.744987] ? rcu_read_lock_sched_held+0x108/0x120 [ 434.750041] __do_softirq+0x30b/0xad8 [ 434.753868] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 434.758993] ? pvclock_read_flags+0x160/0x160 [ 434.763518] ? lapic_next_event+0x5a/0x90 [ 434.767685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.773242] ? check_preemption_disabled+0x48/0x200 [ 434.778277] ? check_preemption_disabled+0x48/0x200 [ 434.783326] ? kvm_clock_read+0x18/0x30 [ 434.787315] ? kvm_sched_clock_read+0x9/0x20 [ 434.791742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.797303] ? check_preemption_disabled+0x48/0x200 [ 434.802355] irq_exit+0x17f/0x1c0 [ 434.805826] smp_apic_timer_interrupt+0x1cb/0x760 [ 434.810683] ? smp_call_function_single_interrupt+0x650/0x650 [ 434.816576] ? interrupt_entry+0xb5/0xf0 [ 434.820648] ? trace_hardirqs_off_caller+0xbb/0x300 [ 434.825667] ? trace_hardirqs_off_caller+0xbb/0x300 [ 434.830692] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.835543] ? trace_hardirqs_off+0x300/0x300 [ 434.840049] ? trace_hardirqs_off+0x300/0x300 [ 434.844551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.850095] ? check_preemption_disabled+0x48/0x200 [ 434.855115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.860666] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.865526] apic_timer_interrupt+0xf/0x20 [ 434.869760] [ 434.872004] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 434.877295] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 29 86 09 fa 48 83 3d 19 95 b9 01 00 75 07 e8 9a 3a c6 f9 0f 0b e8 93 3a c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 dd 85 09 fa 4c 8b 45 d0 e9 [ 434.896211] RSP: 0000:ffff8801d92c6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 434.903938] RAX: ffff8801bae666c0 RBX: 0000000000000293 RCX: 1ffff100375ccdf6 [ 434.911218] RDX: 0000000000000000 RSI: ffffffff87b8949d RDI: 0000000000000293 [ 434.918494] RBP: ffff8801d92c6240 R08: ffff8801bae66fb0 R09: 0000000000000006 [ 434.925774] R10: 0000000000000000 R11: ffff8801bae666c0 R12: 0000000000000293 [ 434.933060] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff897229a0 [ 434.940367] ? arch_local_irq_restore+0x45/0x52 [ 434.945063] dump_stack+0x26a/0x2b4 [ 434.948694] ? dump_stack_print_info.cold.2+0x52/0x52 [ 434.953896] ? mark_held_locks+0x130/0x130 [ 434.958138] ? mark_held_locks+0x130/0x130 [ 434.962382] dump_header+0x27b/0xf72 [ 434.966114] ? pagefault_out_of_memory+0x197/0x197 [ 434.971063] ? mark_held_locks+0x130/0x130 [ 434.975307] ? __lock_acquire+0x7ec/0x4ec0 [ 434.979554] ? mem_cgroup_charge_statistics+0x780/0x780 [ 434.984931] ? print_usage_bug+0xc0/0xc0 [ 434.988997] ? print_usage_bug+0xc0/0xc0 [ 434.993080] ? graph_lock+0x170/0x170 [ 434.996887] ? graph_lock+0x170/0x170 [ 435.000700] ? print_usage_bug+0xc0/0xc0 [ 435.004760] ? print_usage_bug+0xc0/0xc0 [ 435.008838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.014392] ? find_held_lock+0x36/0x1c0 [ 435.018466] ? mark_held_locks+0xc7/0x130 [ 435.022628] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 435.027732] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 435.032842] ? lockdep_hardirqs_on+0x421/0x5c0 [ 435.037434] ? trace_hardirqs_on+0xbd/0x310 [ 435.041759] ? kasan_check_read+0x11/0x20 [ 435.045910] ? ___ratelimit+0x36f/0x655 [ 435.049889] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.055344] ? trace_hardirqs_on+0x310/0x310 [ 435.059760] ? lock_downgrade+0x900/0x900 [ 435.063923] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 435.069043] ? ___ratelimit+0xaa/0x655 [ 435.072936] ? idr_get_free+0xec0/0xec0 [ 435.076916] ? kasan_check_write+0x14/0x20 [ 435.081158] ? do_raw_spin_lock+0xc1/0x200 [ 435.085424] oom_kill_process.cold.27+0x10/0x903 [ 435.090185] ? graph_lock+0x170/0x170 [ 435.093993] ? _raw_spin_unlock+0x2c/0x50 [ 435.098155] ? oom_badness+0xe6/0xaa0 [ 435.101965] ? oom_evaluate_task+0x540/0x540 [ 435.106381] ? find_held_lock+0x36/0x1c0 [ 435.110567] ? out_of_memory+0x974/0x14c0 [ 435.114727] ? lock_downgrade+0x900/0x900 [ 435.118876] ? check_preemption_disabled+0x48/0x200 [ 435.123909] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 435.129713] ? kasan_check_read+0x11/0x20 [ 435.133874] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 435.139160] ? rcu_bh_qs+0xc0/0xc0 [ 435.142711] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 435.147730] ? oom_evaluate_task+0x302/0x540 [ 435.152660] out_of_memory+0xa86/0x14c0 [ 435.156657] ? oom_killer_disable+0x3a0/0x3a0 [ 435.161159] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 435.166093] ? __mutex_add_waiter+0x2a0/0x2a0 [ 435.170615] __alloc_pages_slowpath+0x2318/0x2d80 [ 435.175499] ? warn_alloc+0x120/0x120 [ 435.179323] ? find_get_entry+0x2f2/0xc40 [ 435.183487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.189043] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 435.193984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.199543] ? should_fail+0x22d/0xd01 [ 435.203443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.208556] ? __lock_is_held+0xb5/0x140 [ 435.212655] ? __lock_is_held+0xb5/0x140 [ 435.216733] ? find_held_lock+0x36/0x1c0 [ 435.220805] ? ___might_sleep+0x1ed/0x300 [ 435.224957] ? lock_release+0x970/0x970 [ 435.228943] ? arch_local_save_flags+0x40/0x40 [ 435.233546] ? __might_sleep+0x95/0x190 [ 435.237532] __alloc_pages_nodemask+0xa80/0xde0 [ 435.242213] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 435.247243] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 435.253050] ? kasan_check_read+0x11/0x20 [ 435.257212] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 435.262507] ? graph_lock+0x170/0x170 [ 435.266325] ? print_usage_bug+0xc0/0xc0 [ 435.270392] ? graph_lock+0x170/0x170 [ 435.274197] ? graph_lock+0x170/0x170 [ 435.278004] ? __do_page_cache_readahead+0x7ce/0x980 [ 435.283131] ? find_held_lock+0x36/0x1c0 [ 435.287204] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 435.292749] alloc_pages_current+0x10c/0x210 [ 435.297159] ? lock_downgrade+0x900/0x900 [ 435.301321] __page_cache_alloc+0x38f/0x5b0 [ 435.305652] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 435.311449] ? kasan_check_read+0x11/0x20 [ 435.315611] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 435.320900] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 435.325578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.331136] ? check_preemption_disabled+0x48/0x200 [ 435.336168] filemap_fault+0x1594/0x25f0 [ 435.340249] ? __lock_page_or_retry+0xa00/0xa00 [ 435.344926] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 435.350722] ? kasan_check_read+0x11/0x20 [ 435.354880] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 435.360164] ? rcu_bh_qs+0xc0/0xc0 [ 435.363722] ? filemap_map_pages+0xdea/0x1980 [ 435.368231] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 435.373341] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 435.378623] ? debug_object_free+0x325/0x690 [ 435.383048] ? find_get_pages_range_tag+0x1320/0x1320 [ 435.388251] ? graph_lock+0x170/0x170 [ 435.392064] ? kasan_check_read+0x11/0x20 [ 435.396214] ? debug_object_destroy+0x2b0/0x2b0 [ 435.400897] ? lock_acquire+0x1ed/0x520 [ 435.404873] ? ext4_filemap_fault+0x7a/0xad [ 435.409203] ? lock_release+0x970/0x970 [ 435.413186] ? arch_local_save_flags+0x40/0x40 [ 435.417775] ? futex_wait_setup+0x3e0/0x3e0 [ 435.422113] ? down_read+0xb0/0x1d0 [ 435.425760] ? ext4_filemap_fault+0x7a/0xad [ 435.430084] ? __down_interruptible+0x700/0x700 [ 435.434772] ext4_filemap_fault+0x82/0xad [ 435.438927] __do_fault+0x100/0x6b0 [ 435.442561] ? print_bad_pte+0x6c0/0x6c0 [ 435.446633] ? do_futex+0x249/0x26d0 [ 435.450351] ? kasan_check_read+0x11/0x20 [ 435.454503] ? pmd_val+0x88/0x100 [ 435.457960] ? add_mm_counter_fast+0xd0/0xd0 [ 435.462367] ? pmd_val+0x88/0x100 [ 435.465827] ? add_mm_counter_fast+0xd0/0xd0 [ 435.470247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.475795] __handle_mm_fault+0x3709/0x53e0 [ 435.480210] ? perf_trace_lock+0x14d/0x7a0 [ 435.484458] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 435.489305] ? graph_lock+0x170/0x170 [ 435.493108] ? print_usage_bug+0xc0/0xc0 [ 435.497172] ? graph_lock+0x170/0x170 [ 435.500976] ? graph_lock+0x170/0x170 [ 435.504805] ? handle_mm_fault+0x42a/0xc70 [ 435.509049] ? lock_downgrade+0x900/0x900 [ 435.513199] ? check_preemption_disabled+0x48/0x200 [ 435.518232] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 435.524040] ? kasan_check_read+0x11/0x20 [ 435.528194] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 435.533476] ? rcu_bh_qs+0xc0/0xc0 [ 435.537025] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.542487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.548037] ? check_preemption_disabled+0x48/0x200 [ 435.553072] handle_mm_fault+0x54f/0xc70 [ 435.557146] ? __handle_mm_fault+0x53e0/0x53e0 [ 435.561733] ? find_vma+0x34/0x190 [ 435.565286] __do_page_fault+0x67d/0xed0 [ 435.569365] ? mm_fault_error+0x380/0x380 [ 435.573517] ? trace_hardirqs_off+0xb8/0x300 [ 435.577930] ? trace_hardirqs_on+0x310/0x310 [ 435.582346] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 435.587730] ? trace_hardirqs_on+0x310/0x310 [ 435.592175] do_page_fault+0xf2/0x7e0 [ 435.595985] ? vmalloc_sync_all+0x30/0x30 [ 435.600154] ? error_entry+0x70/0xd0 [ 435.603879] ? trace_hardirqs_off_caller+0xbb/0x300 [ 435.608907] ? trace_hardirqs_on_caller+0xc0/0x300 [ 435.613843] ? syscall_return_slowpath+0x5e0/0x5e0 [ 435.618831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.623684] ? trace_hardirqs_off+0x300/0x300 [ 435.628189] ? trace_hardirqs_off_caller+0x300/0x300 [ 435.633317] ? prepare_exit_to_usermode+0x291/0x3b0 [ 435.638351] ? page_fault+0x8/0x30 [ 435.641914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.646774] ? page_fault+0x8/0x30 [ 435.650329] page_fault+0x1e/0x30 [ 435.653787] RIP: 0033:0x45ddf3 [ 435.656988] Code: Bad RIP value. [ 435.660357] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 435.665726] RAX: ffffffffffffff92 RBX: 000000003b971825 RCX: 000000000045ddf3 [ 435.672997] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 435.680284] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 435.687558] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 435.694832] R13: 000000c42639a660 R14: 0000000000000001 R15: 0000000000000000 [ 435.702140] warn_alloc_show_mem: 1 callbacks suppressed [ 435.702153] CPU: 0 PID: 14726 Comm: syz-executor6 Not tainted 4.19.0-rc2+ #93 [ 435.702155] Mem-Info: [ 435.702188] active_anon:42566 inactive_anon:748 isolated_anon:0 [ 435.702188] active_file:16 inactive_file:17 isolated_file:0 [ 435.702188] unevictable:0 dirty:0 writeback:0 unstable:0 [ 435.702188] slab_reclaimable:9679 slab_unreclaimable:1462004 [ 435.702188] mapped:57522 shmem:755 pagetables:678 bounce:0 [ 435.702188] free:13771 free_pcp:233 free_cma:0 [ 435.707531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.714817] Node 0 active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:3020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 435.717219] Call Trace: [ 435.750112] Node 0 [ 435.759479] [ 435.787186] 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 [ 435.789756] dump_stack+0x1c4/0x2b4 [ 435.791969] lowmem_reserve[]: [ 435.794132] ? dump_stack_print_info.cold.2+0x52/0x52 [ 435.819647] 0 [ 435.823302] warn_alloc.cold.118+0xb7/0x1bd [ 435.826384] 2815 6318 [ 435.831605] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 435.833380] 6318 [ 435.837713] ? lock_downgrade+0x900/0x900 [ 435.840191] Node 0 [ 435.845063] ? trace_hardirqs_off+0xb8/0x300 [ 435.847127] DMA32 free:25244kB min:30036kB low:37544kB high:45052kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 435.851272] ? trace_hardirqs_off+0xb8/0x300 [ 435.853479] lowmem_reserve[]: 0 [ 435.857930] __alloc_pages_slowpath+0x2667/0x2d80 [ 435.884658] 0 [ 435.889116] ? warn_alloc+0x120/0x120 [ 435.892337] 3503 [ 435.897210] ? trace_hardirqs_on+0x310/0x310 [ 435.898986] 3503 [ 435.902801] ? warn_alloc+0x120/0x120 [ 435.904831] Node 0 [ 435.909246] ? print_usage_bug+0xc0/0xc0 [ 435.911304] Normal free:13932kB min:37376kB low:46720kB high:56064kB active_anon:170264kB inactive_anon:2992kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5504kB pagetables:2712kB bounce:0kB free_pcp:684kB local_pcp:436kB free_cma:0kB [ 435.915078] ? warn_alloc+0x120/0x120 [ 435.917284] lowmem_reserve[]: [ 435.921351] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 435.949706] 0 [ 435.953521] ? print_usage_bug+0xc0/0xc0 [ 435.956594] 0 [ 435.961636] ? __lock_acquire+0x7ec/0x4ec0 [ 435.963411] 0 [ 435.967473] ? __lock_acquire+0x7ec/0x4ec0 [ 435.969242] 0 [ 435.973478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.979482] ? should_fail+0x22d/0xd01 [ 435.981256] Node 0 [ 435.986843] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.990698] DMA: [ 435.992937] ? __lock_acquire+0x7ec/0x4ec0 [ 435.998018] 1*4kB [ 436.000090] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.004291] (U) [ 436.006441] ? __lock_acquire+0x7ec/0x4ec0 [ 436.011515] 0*8kB [ 436.013498] ? should_fail+0x22d/0xd01 [ 436.018071] 0*16kB [ 436.020229] ? print_usage_bug+0xc0/0xc0 [ 436.024084] 1*32kB [ 436.026351] ? mark_held_locks+0x130/0x130 [ 436.030374] (U) [ 436.032627] ? mark_held_locks+0x130/0x130 [ 436.036837] 2*64kB [ 436.038827] ? graph_lock+0x170/0x170 [ 436.043032] (U) [ 436.045276] ? print_usage_bug+0xc0/0xc0 [ 436.049043] 1*128kB (U) [ 436.051043] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 436.055074] 1*256kB [ 436.057741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.062481] (U) 0*512kB [ 436.064808] ? check_preemption_disabled+0x48/0x200 [ 436.070318] 1*1024kB [ 436.072982] ? check_preemption_disabled+0x48/0x200 [ 436.077964] (U) 1*2048kB [ 436.080393] ? __lock_is_held+0xb5/0x140 [ 436.085371] (M) [ 436.088132] __alloc_pages_nodemask+0xa80/0xde0 [ 436.092163] 3*4096kB [ 436.094135] ? graph_lock+0x170/0x170 [ 436.098776] (M) [ 436.101188] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 436.104953] = 15908kB [ 436.104961] Node 0 [ 436.106934] ? graph_lock+0x170/0x170 [ 436.111923] DMA32: [ 436.114336] ? find_held_lock+0x36/0x1c0 [ 436.116536] 3*4kB [ 436.120356] ? ____cache_alloc_node+0x1c7/0x1e0 [ 436.122571] (M) [ 436.126629] ? lock_downgrade+0x900/0x900 [ 436.128756] 2*8kB [ 436.133424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.135368] (M) [ 436.139522] cache_grow_begin+0x91/0x8c0 [ 436.141644] 2*16kB [ 436.147186] ? do_raw_spin_unlock+0xa7/0x2f0 [ 436.149611] (UM) 1*32kB [ 436.153692] fallback_alloc+0x203/0x2e0 [ 436.155895] (M) [ 436.160309] ____cache_alloc_node+0x1c7/0x1e0 [ 436.162941] 3*64kB (UM) [ 436.166929] kmem_cache_alloc_node+0xe3/0x730 [ 436.168873] 3*128kB [ 436.173369] ? ipv6_get_ifaddr+0x42e/0x620 [ 436.176019] (M) [ 436.180521] __alloc_skb+0x119/0x770 [ 436.182809] 2*256kB [ 436.187045] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 436.188992] (M) [ 436.192708] ? skb_scrub_packet+0x490/0x490 [ 436.195006] 3*512kB [ 436.200285] ? lock_downgrade+0x900/0x900 [ 436.202232] (M) [ 436.206555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.208845] 4*1024kB [ 436.212987] ? refcount_sub_and_test_checked+0x203/0x310 [ 436.214931] (UM) [ 436.220467] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 436.222849] 3*2048kB [ 436.228298] ? addrconf_rs_timer+0x6f0/0x6f0 [ 436.230330] (M) [ 436.235784] ndisc_alloc_skb+0x144/0x340 [ 436.238162] 3*4096kB [ 436.242570] ndisc_send_rs+0x331/0x6e0 [ 436.244545] (M) [ 436.248610] addrconf_rs_timer+0x3c0/0x6f0 [ 436.250993] = 25244kB [ 436.254881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.256832] Node 0 [ 436.261072] call_timer_fn+0x272/0x920 [ 436.263446] Normal: [ 436.267674] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.269886] 1139*4kB [ 436.273765] ? process_timeout+0x40/0x40 [ 436.276063] (MEH) [ 436.280292] ? find_held_lock+0x36/0x1c0 [ 436.282675] 438*8kB [ 436.286732] ? __run_timers+0x7da/0xc70 [ 436.288852] (UME) [ 436.292906] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.295202] 175*16kB [ 436.299165] ? _raw_spin_unlock_irq+0x27/0x80 [ 436.301289] (UME) [ 436.305776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.308162] 64*32kB [ 436.312650] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 436.314776] (UMEH) [ 436.319006] ? trace_hardirqs_on+0xbd/0x310 [ 436.321314] 14*64kB [ 436.325885] ? kasan_check_read+0x11/0x20 [ 436.328096] (UM) [ 436.332416] ? __run_timers+0x7da/0xc70 [ 436.334710] 1*128kB [ 436.338847] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.340881] (H) [ 436.344849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.347142] 0*256kB [ 436.352594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.354547] 0*512kB [ 436.358774] __run_timers+0x7e5/0xc70 [ 436.361073] 0*1024kB [ 436.365329] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 436.367622] 0*2048kB [ 436.371418] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 436.373798] 0*4096kB = 13932kB [ 436.379169] ? graph_lock+0x170/0x170 [ 436.381583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 436.386585] ? enqueue_hrtimer+0x1a5/0x560 [ 436.389761] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 436.393549] ? lock_release+0x970/0x970 [ 436.402396] 788 total pagecache pages [ 436.406627] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 436.415185] 0 pages in swap cache [ 436.419153] ? find_held_lock+0x36/0x1c0 [ 436.422922] Swap cache stats: add 0, delete 0, find 0/0 [ 436.428108] ? graph_lock+0x170/0x170 [ 436.431531] Free swap = 0kB [ 436.435588] ? pvclock_read_flags+0x160/0x160 [ 436.440925] Total swap = 0kB [ 436.444724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.447712] 1965979 pages RAM [ 436.452200] ? check_preemption_disabled+0x48/0x200 [ 436.455193] 0 pages HighMem/MovableOnly [ 436.460749] ? __lock_is_held+0xb5/0x140 [ 436.463816] 343323 pages reserved [ 436.463825] 0 pages cma reserved [ 436.468838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.472862] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 436.476834] ? check_preemption_disabled+0x48/0x200 [ 436.480337] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 436.483628] run_timer_softirq+0x52/0xb0 [ 436.489137] syz-fuzzer cpuset= [ 436.495620] ? rcu_read_lock_sched_held+0x108/0x120 [ 436.495641] __do_softirq+0x30b/0xad8 [ 436.500641] / [ 436.510872] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 436.514899] mems_allowed=0 [ 436.518088] ? pvclock_read_flags+0x160/0x160 [ 436.541086] ? lapic_next_event+0x5a/0x90 [ 436.545259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.550799] ? check_preemption_disabled+0x48/0x200 [ 436.555816] ? check_preemption_disabled+0x48/0x200 [ 436.560845] ? kvm_clock_read+0x18/0x30 [ 436.564820] ? kvm_sched_clock_read+0x9/0x20 [ 436.569233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.574770] ? check_preemption_disabled+0x48/0x200 [ 436.579801] irq_exit+0x17f/0x1c0 [ 436.583265] smp_apic_timer_interrupt+0x1cb/0x760 [ 436.588118] ? smp_reschedule_interrupt+0x109/0x650 [ 436.593160] ? smp_call_function_single_interrupt+0x650/0x650 [ 436.599053] ? interrupt_entry+0xb5/0xf0 [ 436.603125] ? trace_hardirqs_off_caller+0xbb/0x300 [ 436.608138] ? trace_hardirqs_off_caller+0xbb/0x300 [ 436.613161] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.618005] ? trace_hardirqs_off+0x300/0x300 [ 436.622512] ? trace_hardirqs_off+0x300/0x300 [ 436.627021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.632562] ? check_preemption_disabled+0x48/0x200 [ 436.637578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.643130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.647988] apic_timer_interrupt+0xf/0x20 [ 436.652226] [ 436.654466] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 436.659399] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 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 73 [ 436.678303] RSP: 0000:ffff88019d427748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 436.686022] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 436.693292] RDX: 0000000000000000 RSI: ffff8801a1a7eb40 RDI: 0000000000000282 [ 436.700560] RBP: ffff88019d4277b0 R08: ffff8801a1a7e2c0 R09: 0000000000000000 [ 436.707827] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 436.715093] R13: ffff8801d9be8800 R14: ffff8801d9be8800 R15: 0000000000480020 [ 436.722420] skb_clone+0x1bb/0x500 [ 436.725964] ? finish_task_switch+0x2f5/0x900 [ 436.730463] ? skb_split+0x11e0/0x11e0 [ 436.734354] ? preempt_notifier_register+0x200/0x200 [ 436.739462] ? __switch_to_asm+0x34/0x70 [ 436.743522] ? __switch_to_asm+0x34/0x70 [ 436.747583] ? __switch_to_asm+0x40/0x70 [ 436.751639] ? __switch_to_asm+0x34/0x70 [ 436.755701] ? __switch_to_asm+0x40/0x70 [ 436.759757] ? __switch_to_asm+0x34/0x70 [ 436.763815] ? __switch_to_asm+0x40/0x70 [ 436.767874] ? __switch_to_asm+0x34/0x70 [ 436.771936] ? __switch_to_asm+0x34/0x70 [ 436.775998] ? __switch_to_asm+0x40/0x70 [ 436.780070] ? __switch_to_asm+0x34/0x70 [ 436.784154] bpf_clone_redirect+0xb9/0x490 [ 436.788393] ? __schedule+0x874/0x1ed0 [ 436.792292] bpf_prog_3d1649e183dc2cc1+0x2a0/0x1000 [ 436.797313] ? __sched_text_start+0x8/0x8 [ 436.801464] ? retint_kernel+0x2d/0x2d [ 436.805363] ? find_held_lock+0x36/0x1c0 [ 436.809435] ? lock_acquire+0x1ed/0x520 [ 436.813410] ? bpf_test_run+0x32e/0x5a0 [ 436.817390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.822929] ? check_preemption_disabled+0x48/0x200 [ 436.827950] ? kasan_check_read+0x11/0x20 [ 436.832111] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 436.837390] ? rcu_bh_qs+0xc0/0xc0 [ 436.840936] ? preempt_schedule+0x4d/0x60 [ 436.845089] ? ___preempt_schedule+0x16/0x18 [ 436.849512] ? bpf_test_run+0x1c0/0x5a0 [ 436.853499] ? netlink_diag_dump+0x2a0/0x2a0 [ 436.857915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.863454] ? bpf_test_init.isra.9+0x70/0x100 [ 436.868048] ? bpf_prog_test_run_skb+0x634/0xb40 [ 436.872812] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 436.877673] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 436.883231] ? fput+0x130/0x1a0 [ 436.886516] ? __bpf_prog_get+0x9b/0x290 [ 436.890585] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 436.895429] ? bpf_prog_test_run+0x130/0x1a0 [ 436.899845] ? __x64_sys_bpf+0x3d8/0x510 [ 436.903906] ? bpf_prog_get+0x20/0x20 [ 436.907715] ? ksys_ioctl+0x81/0xd0 [ 436.911353] ? do_syscall_64+0x1b9/0x820 [ 436.915420] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 436.920788] ? syscall_return_slowpath+0x5e0/0x5e0 [ 436.925748] ? trace_hardirqs_off+0x300/0x300 [ 436.930246] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 436.935313] ? recalc_sigpending_tsk+0x180/0x180 [ 436.940079] ? kasan_check_write+0x14/0x20 [ 436.944328] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.949185] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 436.954578] CPU: 1 PID: 5332 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #93