00000006 [ 230.400624] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 230.407894] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 230.415174] ? netconsole_netdev_event+0x280/0x280 [ 230.420117] ? console_unlock+0xff1/0x1160 [ 230.424376] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 230.429071] ? lock_release+0xa00/0xa00 [ 230.433056] ? interrupt_entry+0xc0/0xc0 [ 230.437138] vprintk_emit+0x33d/0x930 [ 230.440943] ? wake_up_klogd+0x180/0x180 [ 230.445007] ? attach_entity_load_avg+0x810/0x860 [ 230.449879] ? __lock_acquire+0x600/0x4c20 [ 230.454122] ? mark_held_locks+0x130/0x130 [ 230.458389] ? print_usage_bug+0xc0/0xc0 [ 230.462503] ? find_held_lock+0x36/0x1c0 [ 230.466579] ? mark_held_locks+0xc7/0x130 [ 230.470738] vprintk_default+0x28/0x30 [ 230.474629] vprintk_func+0x7e/0x181 [ 230.478360] printk+0xa7/0xcf [ 230.481472] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 230.486291] show_free_areas.cold.118+0x1f34/0x215d [ 230.491330] ? si_meminfo_node+0x260/0x260 [ 230.495578] ? __lock_acquire+0x62f/0x4c20 [ 230.499833] ? __lock_acquire+0x62f/0x4c20 [ 230.504081] ? __lock_is_held+0xb5/0x140 [ 230.508162] ? mark_held_locks+0x130/0x130 [ 230.512400] ? zap_class+0x640/0x640 [ 230.516118] ? put_dec+0x3b/0xf0 [ 230.519487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.525055] ? find_held_lock+0x36/0x1c0 [ 230.529133] ? serial8250_console_write+0x8b3/0xb10 [ 230.534157] ? lock_downgrade+0x900/0x900 [ 230.538310] ? zap_class+0x640/0x640 [ 230.542048] ? zap_class+0x640/0x640 [ 230.545769] ? print_usage_bug+0xc0/0xc0 [ 230.549830] ? do_raw_spin_unlock+0xa7/0x330 [ 230.554254] ? trace_hardirqs_on+0x310/0x310 [ 230.558674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.564227] ? find_held_lock+0x36/0x1c0 [ 230.568307] ? mark_held_locks+0xc7/0x130 [ 230.572471] ? console_unlock+0xfcd/0x1160 [ 230.576717] ? netconsole_netdev_event+0x280/0x280 [ 230.581691] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 230.586292] ? trace_hardirqs_on+0xbd/0x310 [ 230.590613] ? vprintk_emit+0x33d/0x930 [ 230.594600] ? trace_hardirqs_off_caller+0x310/0x310 [ 230.599712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.605260] ? netconsole_netdev_event+0x280/0x280 [ 230.610196] ? console_unlock+0x8d8/0x1160 [ 230.614448] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 230.619141] ? vprintk_emit+0x7f7/0x930 [ 230.623130] ? lock_release+0xa00/0xa00 [ 230.627111] ? preempt_count_add+0xbc/0x1b0 [ 230.631441] ? wake_up_klogd+0x11a/0x180 [ 230.635507] ? console_device+0xc0/0xc0 [ 230.639566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.645140] ? vprintk_emit+0x268/0x930 [ 230.649123] ? wake_up_klogd+0x180/0x180 [ 230.653189] ? trace_hardirqs_on_caller+0xc0/0x310 [ 230.658128] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.662889] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.668343] ? retint_kernel+0x1b/0x2d [ 230.672235] ? trace_hardirqs_on+0x310/0x310 [ 230.676656] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.681449] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 230.686232] ? show_mem+0x1e/0x17b [ 230.689793] show_mem+0x34/0x17b [ 230.693195] dump_header+0x2f1/0xf72 [ 230.696923] ? mark_held_locks+0x130/0x130 [ 230.701165] ? pagefault_out_of_memory+0x197/0x197 [ 230.706113] ? __lock_acquire+0x62f/0x4c20 [ 230.710352] ? zap_class+0x640/0x640 [ 230.714077] ? percpu_ref_get_many+0x240/0x240 [ 230.718664] ? print_usage_bug+0xc0/0xc0 [ 230.722727] ? print_usage_bug+0xc0/0xc0 [ 230.726794] ? zap_class+0x640/0x640 [ 230.730511] ? print_usage_bug+0xc0/0xc0 [ 230.734577] ? print_usage_bug+0xc0/0xc0 [ 230.738647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.744193] ? find_held_lock+0x36/0x1c0 [ 230.748266] ? mark_held_locks+0xc7/0x130 [ 230.752422] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 230.757555] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 230.762663] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 230.767253] ? trace_hardirqs_on+0xbd/0x310 [ 230.771578] ? kasan_check_read+0x11/0x20 [ 230.775727] ? ___ratelimit+0x3b4/0x672 [ 230.779704] ? trace_hardirqs_off_caller+0x310/0x310 [ 230.784812] ? trace_hardirqs_on+0x310/0x310 [ 230.789234] ? lock_downgrade+0x900/0x900 [ 230.793392] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 230.798496] ? ___ratelimit+0x3b9/0x672 [ 230.802471] ? idr_get_free+0xec0/0xec0 [ 230.806453] ? kasan_check_read+0x11/0x20 [ 230.810598] ? do_raw_spin_unlock+0xa7/0x330 [ 230.815038] oom_kill_process.cold.27+0x10/0x903 [ 230.819836] ? zap_class+0x640/0x640 [ 230.823569] ? _raw_spin_unlock+0x2c/0x50 [ 230.827716] ? oom_badness+0xe6/0xaa0 [ 230.831534] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 230.836473] ? kasan_check_read+0x11/0x20 [ 230.840634] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 230.845914] ? oom_evaluate_task+0x540/0x540 [ 230.850327] ? find_held_lock+0x36/0x1c0 [ 230.854398] ? out_of_memory+0x974/0x1430 [ 230.858551] ? lock_downgrade+0x900/0x900 [ 230.862701] ? check_preemption_disabled+0x48/0x280 [ 230.867724] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 230.872657] ? kasan_check_read+0x11/0x20 [ 230.876806] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 230.882091] ? rcu_softirq_qs+0x20/0x20 [ 230.886071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.891611] ? oom_evaluate_task+0x302/0x540 [ 230.896034] out_of_memory+0xa84/0x1430 [ 230.900044] ? oom_killer_disable+0x3a0/0x3a0 [ 230.904575] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 230.909508] ? __mutex_add_waiter+0x2a0/0x2a0 [ 230.914029] __alloc_pages_slowpath+0x22d4/0x2d70 [ 230.918905] ? warn_alloc+0x120/0x120 [ 230.922723] ? rcu_softirq_qs+0x20/0x20 [ 230.926732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.932284] ? should_fail+0x22d/0xd01 [ 230.936180] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.941289] ? zap_class+0x640/0x640 [ 230.945037] ? __lock_is_held+0xb5/0x140 [ 230.949128] ? mark_held_locks+0x130/0x130 [ 230.953389] ? lock_release+0xa00/0xa00 [ 230.957372] ? perf_trace_sched_process_exec+0x860/0x860 [ 230.962837] ? __might_sleep+0x95/0x190 [ 230.966840] __alloc_pages_nodemask+0xa80/0xde0 [ 230.971554] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 230.976588] ? __page_cache_alloc+0x191/0x5c0 [ 230.981096] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 230.986037] ? kasan_check_read+0x11/0x20 [ 230.990192] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 230.995495] ? zap_class+0x640/0x640 [ 230.999239] ? zap_class+0x640/0x640 [ 231.002956] ? zap_class+0x640/0x640 [ 231.006674] ? __do_page_cache_readahead+0x7ce/0x980 [ 231.011784] ? find_held_lock+0x36/0x1c0 [ 231.015851] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 231.021395] alloc_pages_current+0x173/0x350 [ 231.025811] __page_cache_alloc+0x38c/0x5c0 [ 231.030138] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 231.035074] ? kasan_check_read+0x11/0x20 [ 231.039230] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 231.044512] ? generic_perform_write+0x6a0/0x6a0 [ 231.049274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.054815] ? check_preemption_disabled+0x48/0x280 [ 231.059839] filemap_fault+0x1594/0x25f0 [ 231.063914] ? __lock_page_or_retry+0xa00/0xa00 [ 231.068586] ? mark_held_locks+0x130/0x130 [ 231.072826] ? rcu_softirq_qs+0x20/0x20 [ 231.076816] ? filemap_map_pages+0xe04/0x1990 [ 231.081333] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 231.086272] ? futex_wait_setup+0x15c/0x3e0 [ 231.090600] ? zap_class+0x640/0x640 [ 231.094322] ? lock_acquire+0x1ed/0x520 [ 231.098301] ? alloc_set_pte+0x1447/0x1f40 [ 231.102559] ? lock_acquire+0x1ed/0x520 [ 231.106543] ? ext4_filemap_fault+0x7a/0xad [ 231.110880] ? lock_release+0xa00/0xa00 [ 231.114860] ? perf_trace_sched_process_exec+0x860/0x860 [ 231.120310] ? print_usage_bug+0xc0/0xc0 [ 231.124378] ? print_usage_bug+0xc0/0xc0 [ 231.128451] ? down_read+0x8d/0x120 [ 231.132075] ? ext4_filemap_fault+0x7a/0xad [ 231.136397] ? __down_interruptible+0x700/0x700 [ 231.141075] ext4_filemap_fault+0x82/0xad [ 231.145251] __do_fault+0x100/0x6b0 [ 231.148878] ? unlock_page+0x2c2/0x4c0 [ 231.152772] ? pmd_devmap_trans_unstable+0x220/0x220 [ 231.157883] ? mark_held_locks+0x130/0x130 [ 231.162120] ? mark_held_locks+0x130/0x130 [ 231.166359] ? do_raw_spin_trylock+0x270/0x270 [ 231.170966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.176513] __handle_mm_fault+0x307c/0x5920 [ 231.180949] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 231.185796] ? kasan_check_read+0x11/0x20 [ 231.189950] ? _copy_to_user+0xc8/0x110 [ 231.193933] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.199497] ? zap_class+0x640/0x640 [ 231.203222] ? zap_class+0x640/0x640 [ 231.206947] ? find_held_lock+0x36/0x1c0 [ 231.211029] ? handle_mm_fault+0x42a/0xc70 [ 231.215285] ? lock_downgrade+0x900/0x900 [ 231.219444] ? check_preemption_disabled+0x48/0x280 [ 231.224467] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 231.229395] ? kasan_check_read+0x11/0x20 [ 231.233554] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 231.238836] ? rcu_softirq_qs+0x20/0x20 [ 231.242817] ? trace_hardirqs_off_caller+0x310/0x310 [ 231.247921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.253456] ? check_preemption_disabled+0x48/0x280 [ 231.258480] handle_mm_fault+0x54f/0xc70 [ 231.262559] ? __handle_mm_fault+0x5920/0x5920 [ 231.267146] ? find_vma+0x34/0x190 [ 231.270692] __do_page_fault+0x5e8/0xe60 [ 231.274752] ? trace_hardirqs_off+0xb8/0x310 [ 231.279163] ? __ia32_sys_read+0xb0/0xb0 [ 231.283237] do_page_fault+0xf2/0x7e0 [ 231.287049] ? vmalloc_sync_all+0x30/0x30 [ 231.291203] ? error_entry+0x70/0xd0 [ 231.294919] ? trace_hardirqs_off_caller+0xbb/0x310 [ 231.299958] ? trace_hardirqs_on_caller+0xc0/0x310 [ 231.304888] ? syscall_return_slowpath+0x5e0/0x5e0 [ 231.309828] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.314671] ? trace_hardirqs_on_caller+0x310/0x310 [ 231.319686] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.325137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.330712] ? prepare_exit_to_usermode+0x291/0x3b0 [ 231.335728] ? page_fault+0x8/0x30 [ 231.339272] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.344119] ? page_fault+0x8/0x30 [ 231.347663] page_fault+0x1e/0x30 [ 231.351115] RIP: 0033:0x4727a0 [ 231.354336] Code: Bad RIP value. [ 231.357698] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 231.363063] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 231.370329] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 231.377596] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 231.384863] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 231.392128] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 231.399421] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 231.399427] warn_alloc_show_mem: 1 callbacks suppressed [ 231.399434] Mem-Info: [ 231.406364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.411734] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 231.411734] active_file:12 inactive_file:13 isolated_file:0 [ 231.411734] unevictable:0 dirty:0 writeback:0 unstable:0 [ 231.411734] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 231.411734] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 231.411734] free:13771 free_pcp:124 free_cma:0 [ 231.414112] Call Trace: [ 231.423518] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 231.456846] [ 231.459423] Node 0 [ 231.486850] dump_stack+0x244/0x39d [ 231.488997] 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 [ 231.491211] ? dump_stack_print_info.cold.1+0x20/0x20 [ 231.494838] lowmem_reserve[]: 0 [ 231.520350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.525519] 2818 [ 231.528800] warn_alloc.cold.117+0xb7/0x1bd [ 231.534307] 6321 [ 231.536365] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.540656] 6321 [ 231.542726] ? lock_downgrade+0x900/0x900 [ 231.547545] Node 0 [ 231.549606] ? trace_hardirqs_off+0xb8/0x310 [ 231.553777] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 231.555990] ? trace_hardirqs_off+0xb8/0x310 [ 231.560393] lowmem_reserve[]: [ 231.587547] __alloc_pages_slowpath+0x2660/0x2d70 [ 231.591942] 0 [ 231.595078] ? warn_alloc+0x120/0x120 [ 231.599871] 0 [ 231.601672] ? warn_alloc+0x120/0x120 [ 231.605451] 3503 [ 231.608044] ? print_usage_bug+0xc0/0xc0 [ 231.611851] 3503 [ 231.613916] ? warn_alloc+0x120/0x120 [ 231.617957] Node 0 [ 231.620028] ? print_usage_bug+0xc0/0xc0 [ 231.623834] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 231.626056] ? __lock_acquire+0x62f/0x4c20 [ 231.630097] lowmem_reserve[]: [ 231.658220] ? __lock_acquire+0x62f/0x4c20 [ 231.662434] 0 [ 231.665538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.669762] 0 0 [ 231.671573] ? should_fail+0x22d/0xd01 [ 231.677088] 0 [ 231.679085] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 231.682945] Node 0 [ 231.684747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.690019] DMA: [ 231.692257] ? __lock_acquire+0x62f/0x4c20 [ 231.697352] 1*4kB [ 231.699409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.703623] (U) [ 231.705772] ? __lock_acquire+0x62f/0x4c20 [ 231.710845] 0*8kB 0*16kB [ 231.712828] ? should_fail+0x22d/0xd01 [ 231.717046] 1*32kB (U) [ 231.719828] ? rcu_irq_exit+0x1a2/0x390 [ 231.723690] 2*64kB (U) [ 231.726286] ? mark_held_locks+0x130/0x130 [ 231.730232] 1*128kB (U) [ 231.732833] ? mark_held_locks+0x130/0x130 [ 231.737042] 1*256kB (U) [ 231.739724] ? mark_held_locks+0xc7/0x130 [ 231.743936] 0*512kB [ 231.746602] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 231.750725] 1*1024kB [ 231.753055] ? zap_class+0x640/0x640 [ 231.758057] (U) 1*2048kB [ 231.760494] ? print_usage_bug+0xc0/0xc0 [ 231.764198] (M) [ 231.766956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.770996] 3*4096kB [ 231.772976] ? check_preemption_disabled+0x48/0x280 [ 231.778488] (M) [ 231.780909] ? __lock_is_held+0xb5/0x140 [ 231.785898] = 15908kB [ 231.787874] __alloc_pages_nodemask+0xa80/0xde0 [ 231.791909] Node 0 [ 231.794310] ? zap_class+0x640/0x640 [ 231.798956] DMA32: [ 231.801188] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 231.804895] 4*4kB [ 231.807134] ? find_held_lock+0x36/0x1c0 [ 231.812122] (M) [ 231.814290] ? ____cache_alloc_node+0x1c7/0x1e0 [ 231.818320] 0*8kB [ 231.820292] ? lock_downgrade+0x900/0x900 [ 231.824932] 2*16kB (M) [ 231.827088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.831215] 2*32kB [ 231.833794] cache_grow_begin+0xa5/0x8c0 [ 231.839305] (UM) [ 231.841546] ? do_raw_spin_unlock+0xa7/0x330 [ 231.845602] 4*64kB [ 231.847692] fallback_alloc+0x204/0x2e0 [ 231.852073] (UM) [ 231.854322] ____cache_alloc_node+0x1c7/0x1e0 [ 231.858276] 4*128kB (M) [ 231.860346] kmem_cache_alloc_node+0xe3/0x730 [ 231.864815] 3*256kB (M) [ 231.867493] ? ipv6_get_ifaddr+0x42e/0x620 [ 231.871978] 4*512kB [ 231.874651] __alloc_skb+0x119/0x770 [ 231.878852] (UM) 3*1024kB [ 231.881210] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 231.884903] (UM) 3*2048kB [ 231.887766] ? netdev_alloc_frag+0x1f0/0x1f0 [ 231.893027] (UM) [ 231.895901] ? lock_downgrade+0x900/0x900 [ 231.900285] 3*4096kB (M) [ 231.902362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.906488] = 25200kB [ 231.909243] ? refcount_sub_and_test_checked+0x203/0x310 [ 231.914760] Node 0 [ 231.917195] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 231.922621] Normal: [ 231.924858] ? addrconf_rs_timer+0x690/0x690 [ 231.930289] 786*4kB [ 231.932619] ndisc_alloc_skb+0x144/0x340 [ 231.936997] (MEH) [ 231.939337] ndisc_send_rs+0x331/0x6e0 [ 231.943388] 440*8kB (UMEH) [ 231.945547] addrconf_rs_timer+0x314/0x690 [ 231.949419] 141*16kB (MEH) [ 231.952371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.956577] 54*32kB (MEH) [ 231.959522] call_timer_fn+0x272/0x920 [ 231.963745] 14*64kB (UME) [ 231.966597] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.970459] 1*128kB (H) [ 231.973312] ? process_timeout+0x40/0x40 [ 231.977526] 1*256kB [ 231.980825] ? __run_timers+0x7da/0xc70 [ 231.984853] (H) 2*512kB [ 231.987199] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.991148] (H) [ 231.993815] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.998280] 1*1024kB (U) [ 232.000262] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.004742] 0*2048kB 0*4096kB [ 232.007507] ? lockdep_hardirqs_on+0x296/0x5b0 [ 232.011711] = 13976kB [ 232.011725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 232.014906] ? trace_hardirqs_on+0xbd/0x310 [ 232.019468] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 232.021873] ? kasan_check_read+0x11/0x20 [ 232.030685] 163 total pagecache pages [ 232.035003] ? __run_timers+0x7da/0xc70 [ 232.043576] 0 pages in swap cache [ 232.047711] ? trace_hardirqs_off_caller+0x310/0x310 [ 232.051494] Swap cache stats: add 0, delete 0, find 0/0 [ 232.055467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.058899] Free swap = 0kB [ 232.063999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.069343] Total swap = 0kB [ 232.069352] 1965979 pages RAM [ 232.073582] __run_timers+0x7e5/0xc70 [ 232.076597] 0 pages HighMem/MovableOnly [ 232.080840] ? timer_fixup_init+0x70/0x70 [ 232.083829] 342867 pages reserved [ 232.083837] 0 pages cma reserved [ 232.086940] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 232.091117] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 232.094689] ? zap_class+0x640/0x640 [ 232.098819] syz-fuzzer cpuset= [ 232.102273] ? enqueue_hrtimer+0x1a5/0x560 [ 232.105619] / [ 232.110643] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 232.120850] mems_allowed=0 [ 232.124571] ? find_held_lock+0x36/0x1c0 [ 232.145795] ? zap_class+0x640/0x640 [ 232.149512] ? pvclock_read_flags+0x160/0x160 [ 232.154008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.159562] ? check_preemption_disabled+0x48/0x280 [ 232.164587] ? __lock_is_held+0xb5/0x140 [ 232.168648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.174197] ? check_preemption_disabled+0x48/0x280 [ 232.179248] run_timer_softirq+0x52/0xb0 [ 232.183315] ? rcu_read_lock_sched_held+0x14f/0x180 [ 232.188332] __do_softirq+0x308/0xb7e [ 232.192135] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 232.196628] ? lock_downgrade+0x900/0x900 [ 232.200782] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 232.205892] ? pvclock_read_flags+0x160/0x160 [ 232.210406] ? lapic_next_event+0x5a/0x90 [ 232.214584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.220128] ? kvm_clock_read+0x18/0x30 [ 232.224128] ? kvm_sched_clock_read+0x9/0x20 [ 232.228539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.234078] ? check_preemption_disabled+0x48/0x280 [ 232.239119] irq_exit+0x17f/0x1c0 [ 232.242572] smp_apic_timer_interrupt+0x1cb/0x760 [ 232.247429] ? smp_reschedule_interrupt+0x109/0x650 [ 232.252461] ? smp_call_function_single_interrupt+0x650/0x650 [ 232.258375] ? interrupt_entry+0xb5/0xc0 [ 232.262451] ? trace_hardirqs_off_caller+0xbb/0x310 [ 232.267484] ? trace_hardirqs_off_caller+0xbb/0x310 [ 232.272507] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.277353] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.282373] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.287390] ? task_prio+0x50/0x50 [ 232.290932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.296476] ? check_preemption_disabled+0x48/0x280 [ 232.301502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.306357] apic_timer_interrupt+0xf/0x20 [ 232.310586] [ 232.312844] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 232.318732] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 232.337632] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 232.345344] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 232.352612] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 232.359883] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 232.367168] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 232.374437] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 232.381791] ? save_stack+0xa9/0xd0 [ 232.385433] __kmalloc_node_track_caller+0x33/0x70 [ 232.390379] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 232.395142] pskb_expand_head+0x230/0x10f0 [ 232.399398] ? memcpy+0x45/0x50 [ 232.402705] ? __copy_skb_header+0x350/0x6b0 [ 232.407116] ? skb_release_data+0x880/0x880 [ 232.411439] ? __alloc_skb+0x770/0x770 [ 232.415343] ? __lock_is_held+0xb5/0x140 [ 232.419414] ? kasan_check_write+0x14/0x20 [ 232.423660] ? __skb_clone+0x6c7/0xa00 [ 232.427554] ? __copy_skb_header+0x6b0/0x6b0 [ 232.431968] ? kmem_cache_alloc+0x33a/0x730 [ 232.436296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.441845] skb_ensure_writable+0x3dd/0x640 [ 232.446255] ? skb_checksum_setup+0xaa0/0xaa0 [ 232.450764] ? check_preemption_disabled+0x48/0x280 [ 232.455784] ? __this_cpu_preempt_check+0x1c/0x20 [ 232.460632] ? __bpf_redirect+0x54b/0xb20 [ 232.464819] bpf_clone_redirect+0x14a/0x490 [ 232.469154] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 232.474189] ? __sched_text_start+0x8/0x8 [ 232.478341] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 232.483110] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 232.487695] ? retint_kernel+0x2d/0x2d [ 232.491609] ? find_held_lock+0x36/0x1c0 [ 232.495687] ? lock_acquire+0x1ed/0x520 [ 232.499668] ? bpf_test_run+0x3cb/0x780 [ 232.503653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.509197] ? check_preemption_disabled+0x48/0x280 [ 232.514230] ? kasan_check_read+0x11/0x20 [ 232.518394] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 232.523688] ? rcu_softirq_qs+0x20/0x20 [ 232.529578] ? preempt_schedule+0x4d/0x60 [ 232.533731] ? ___preempt_schedule+0x16/0x18 [ 232.538157] ? bpf_test_run+0x25d/0x780 [ 232.542149] ? netlink_diag_dump+0x2a0/0x2a0 [ 232.546565] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.552107] ? bpf_test_init.isra.10+0x70/0x100 [ 232.556799] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 232.561568] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 232.566419] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 232.571963] ? fput+0x130/0x1a0 [ 232.575248] ? __bpf_prog_get+0x9b/0x290 [ 232.579320] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 232.584166] ? bpf_prog_test_run+0x130/0x1a0 [ 232.588588] ? __x64_sys_bpf+0x3d8/0x520 [ 232.592655] ? bpf_prog_get+0x20/0x20 [ 232.596482] ? do_syscall_64+0x1b9/0x820 [ 232.600549] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 232.605918] ? syscall_return_slowpath+0x5e0/0x5e0 [ 232.610857] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.615879] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 232.620900] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 232.627573] ? __switch_to_asm+0x40/0x70 [ 232.631641] ? __switch_to_asm+0x34/0x70 [ 232.635713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.640567] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 232.645956] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 232.646092] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 232.652650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.652661] Call Trace: [ 232.659300] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 232.668513] [ 232.671095] syz-executor5 cpuset= [ 232.681588] dump_stack+0x244/0x39d [ 232.683719] syz5 [ 232.687181] ? dump_stack_print_info.cold.1+0x20/0x20 [ 232.690792] mems_allowed=0 [ 232.692773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.706423] warn_alloc.cold.117+0xb7/0x1bd [ 232.710752] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 232.715603] ? lock_downgrade+0x900/0x900 [ 232.719767] ? trace_hardirqs_off+0xb8/0x310 [ 232.724187] ? trace_hardirqs_off+0xb8/0x310 [ 232.728618] __alloc_pages_slowpath+0x2660/0x2d70 [ 232.733496] ? warn_alloc+0x120/0x120 [ 232.737309] ? warn_alloc+0x120/0x120 [ 232.741120] ? print_usage_bug+0xc0/0xc0 [ 232.745186] ? warn_alloc+0x120/0x120 [ 232.748996] ? print_usage_bug+0xc0/0xc0 [ 232.753074] ? attach_entity_load_avg+0x860/0x860 [ 232.757930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.763471] ? should_fail+0x22d/0xd01 [ 232.767370] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.772484] ? __lock_acquire+0x62f/0x4c20 [ 232.776725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.781837] ? __lock_acquire+0x62f/0x4c20 [ 232.786075] ? should_fail+0x22d/0xd01 [ 232.789981] ? mark_held_locks+0x130/0x130 [ 232.794236] ? mark_held_locks+0x130/0x130 [ 232.798477] ? find_held_lock+0x36/0x1c0 [ 232.802550] ? zap_class+0x640/0x640 [ 232.806284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.811836] ? check_preemption_disabled+0x48/0x280 [ 232.816871] ? __lock_is_held+0xb5/0x140 [ 232.820947] __alloc_pages_nodemask+0xa80/0xde0 [ 232.825623] ? zap_class+0x640/0x640 [ 232.829351] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 232.834383] ? find_held_lock+0x36/0x1c0 [ 232.838462] ? ____cache_alloc_node+0x1c7/0x1e0 [ 232.843139] ? lock_downgrade+0x900/0x900 [ 232.847303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.852853] cache_grow_begin+0xa5/0x8c0 [ 232.856923] ? do_raw_spin_unlock+0xa7/0x330 [ 232.861343] fallback_alloc+0x204/0x2e0 [ 232.865334] ____cache_alloc_node+0x1c7/0x1e0 [ 232.869841] __kmalloc+0x208/0x760 [ 232.873392] ? __neigh_create+0x30b/0x2130 [ 232.877635] __neigh_create+0x30b/0x2130 [ 232.881705] ? __local_bh_enable_ip+0x160/0x260 [ 232.886378] ? __local_bh_enable_ip+0x160/0x260 [ 232.891066] ? mark_held_locks+0x130/0x130 [ 232.895307] ? __local_bh_enable_ip+0x160/0x260 [ 232.899985] ? neigh_hash_alloc+0x1e0/0x1e0 [ 232.904323] ? trace_hardirqs_on+0xbd/0x310 [ 232.908645] ? mark_held_locks+0xc7/0x130 [ 232.912801] ? ip6t_do_table+0xd9e/0x1d30 [ 232.916957] ? trace_hardirqs_off_caller+0x310/0x310 [ 232.922083] ? __local_bh_enable_ip+0x160/0x260 [ 232.926762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.932304] ? ip6t_do_table+0xd6a/0x1d30 [ 232.936468] ? lock_acquire+0x1ed/0x520 [ 232.940460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.946005] ? check_preemption_disabled+0x48/0x280 [ 232.951053] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 232.956592] ? rcu_pm_notify+0xc0/0xc0 [ 232.960498] ? zap_class+0x640/0x640 [ 232.964221] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 232.969425] ip6_finish_output2+0xa59/0x27a0 [ 232.973860] ? ip6_copy_metadata+0xe30/0xe30 [ 232.978319] ? ip6_mtu+0x39c/0x520 [ 232.981865] ? lock_downgrade+0x900/0x900 [ 232.986027] ? check_preemption_disabled+0x48/0x280 [ 232.991060] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 232.996008] ? kasan_check_read+0x11/0x20 [ 233.000170] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 233.005456] ? rcu_softirq_qs+0x20/0x20 [ 233.009450] ? ip6_mtu+0x160/0x520 [ 233.012998] ? find_match+0x10a0/0x10a0 [ 233.016991] ? kasan_check_read+0x11/0x20 [ 233.021153] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 233.026440] ip6_finish_output+0x58c/0xc60 [ 233.030679] ? ip6_finish_output+0x58c/0xc60 [ 233.035100] ip6_output+0x232/0x9d0 [ 233.038737] ? ip6_finish_output+0xc60/0xc60 [ 233.043168] ? ip6_fragment+0x38e0/0x38e0 [ 233.047326] ? __lock_is_held+0xb5/0x140 [ 233.051405] ndisc_send_skb+0x1005/0x1570 [ 233.055569] ? nf_hook.constprop.33+0x860/0x860 [ 233.060251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.065796] ? refcount_sub_and_test_checked+0x203/0x310 [ 233.071260] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 233.076733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.082281] ndisc_send_rs+0x134/0x6e0 [ 233.086184] addrconf_rs_timer+0x314/0x690 [ 233.090429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.094687] call_timer_fn+0x272/0x920 [ 233.098594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.102845] ? process_timeout+0x40/0x40 [ 233.106925] ? mark_held_locks+0xc7/0x130 [ 233.111086] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.115605] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.120121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.124381] ? lockdep_hardirqs_on+0x296/0x5b0 [ 233.128985] ? trace_hardirqs_on+0xbd/0x310 [ 233.133357] ? kasan_check_read+0x11/0x20 [ 233.137528] ? __run_timers+0x7da/0xc70 [ 233.141529] ? trace_hardirqs_off_caller+0x310/0x310 [ 233.146675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.150932] __run_timers+0x7e5/0xc70 [ 233.154761] ? timer_fixup_init+0x70/0x70 [ 233.158929] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 233.163971] ? zap_class+0x640/0x640 [ 233.167728] ? print_usage_bug+0xc0/0xc0 [ 233.171813] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 233.177047] ? find_held_lock+0x36/0x1c0 [ 233.181146] ? zap_class+0x640/0x640 [ 233.184884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.190476] ? check_preemption_disabled+0x48/0x280 [ 233.195549] ? __lock_is_held+0xb5/0x140 [ 233.199635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.205226] ? check_preemption_disabled+0x48/0x280 [ 233.210319] run_timer_softirq+0x52/0xb0 [ 233.214398] ? rcu_read_lock_sched_held+0x14f/0x180 [ 233.219444] __do_softirq+0x308/0xb7e [ 233.223277] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 233.227791] ? lock_downgrade+0x900/0x900 [ 233.231967] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 233.237108] ? pvclock_read_flags+0x160/0x160 [ 233.241632] ? lapic_next_event+0x5a/0x90 [ 233.245803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.251380] ? kvm_clock_read+0x18/0x30 [ 233.255377] ? kvm_sched_clock_read+0x9/0x20 [ 233.259815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.265404] ? check_preemption_disabled+0x48/0x280 [ 233.270439] irq_exit+0x17f/0x1c0 [ 233.273899] smp_apic_timer_interrupt+0x1cb/0x760 [ 233.278745] ? smp_reschedule_interrupt+0x109/0x650 [ 233.283766] ? smp_call_function_single_interrupt+0x650/0x650 [ 233.289660] ? interrupt_entry+0xb5/0xc0 [ 233.293729] ? trace_hardirqs_off_caller+0xbb/0x310 [ 233.298751] ? trace_hardirqs_off_caller+0xbb/0x310 [ 233.303782] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.308632] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.313657] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.318680] ? task_prio+0x50/0x50 [ 233.322229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.327781] ? check_preemption_disabled+0x48/0x280 [ 233.332820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.337683] apic_timer_interrupt+0xf/0x20 [ 233.341915] [ 233.344163] RIP: 0010:console_unlock+0xffa/0x1160 [ 233.349028] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 233.367958] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 233.375683] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 233.382952] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 233.390223] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 233.397496] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 233.404771] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 233.412075] ? netconsole_netdev_event+0x280/0x280 [ 233.417040] ? console_unlock+0xff1/0x1160 [ 233.421306] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 233.425983] ? lock_release+0xa00/0xa00 [ 233.429974] ? interrupt_entry+0xc0/0xc0 [ 233.434065] vprintk_emit+0x33d/0x930 [ 233.437875] ? wake_up_klogd+0x180/0x180 [ 233.441939] ? attach_entity_load_avg+0x810/0x860 [ 233.446788] ? __lock_acquire+0x600/0x4c20 [ 233.451037] ? mark_held_locks+0x130/0x130 [ 233.455444] ? print_usage_bug+0xc0/0xc0 [ 233.459521] ? find_held_lock+0x36/0x1c0 [ 233.463600] ? mark_held_locks+0xc7/0x130 [ 233.467757] vprintk_default+0x28/0x30 [ 233.471655] vprintk_func+0x7e/0x181 [ 233.475373] printk+0xa7/0xcf [ 233.478482] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 233.483263] show_free_areas.cold.118+0x1f34/0x215d [ 233.488303] ? si_meminfo_node+0x260/0x260 [ 233.492557] ? __lock_acquire+0x62f/0x4c20 [ 233.496800] ? __lock_acquire+0x62f/0x4c20 [ 233.501048] ? __lock_is_held+0xb5/0x140 [ 233.505130] ? mark_held_locks+0x130/0x130 [ 233.509372] ? zap_class+0x640/0x640 [ 233.513097] ? put_dec+0x3b/0xf0 [ 233.516473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.522031] ? find_held_lock+0x36/0x1c0 [ 233.526109] ? serial8250_console_write+0x8b3/0xb10 [ 233.531134] ? lock_downgrade+0x900/0x900 [ 233.535291] ? zap_class+0x640/0x640 [ 233.539021] ? zap_class+0x640/0x640 [ 233.542748] ? print_usage_bug+0xc0/0xc0 [ 233.546807] ? do_raw_spin_unlock+0xa7/0x330 [ 233.551224] ? trace_hardirqs_on+0x310/0x310 [ 233.555633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.561285] ? find_held_lock+0x36/0x1c0 [ 233.565368] ? mark_held_locks+0xc7/0x130 [ 233.569530] ? console_unlock+0xfcd/0x1160 [ 233.573788] ? netconsole_netdev_event+0x280/0x280 [ 233.578731] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 233.583312] ? trace_hardirqs_on+0xbd/0x310 [ 233.587636] ? vprintk_emit+0x33d/0x930 [ 233.591618] ? trace_hardirqs_off_caller+0x310/0x310 [ 233.596723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.602263] ? netconsole_netdev_event+0x280/0x280 [ 233.607200] ? console_unlock+0x8d8/0x1160 [ 233.611448] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 233.616114] ? vprintk_emit+0x7f7/0x930 [ 233.620096] ? lock_release+0xa00/0xa00 [ 233.624075] ? preempt_count_add+0xbc/0x1b0 [ 233.628399] ? wake_up_klogd+0x11a/0x180 [ 233.632484] ? console_device+0xc0/0xc0 [ 233.636470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.642032] ? vprintk_emit+0x268/0x930 [ 233.646008] ? wake_up_klogd+0x180/0x180 [ 233.650096] ? trace_hardirqs_on_caller+0xc0/0x310 [ 233.655039] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.659798] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.665254] ? retint_kernel+0x1b/0x2d [ 233.669150] ? trace_hardirqs_on+0x310/0x310 [ 233.673578] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.678357] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 233.683118] ? show_mem+0x1e/0x17b [ 233.686661] show_mem+0x34/0x17b [ 233.690040] dump_header+0x2f1/0xf72 [ 233.693776] ? mark_held_locks+0x130/0x130 [ 233.698019] ? pagefault_out_of_memory+0x197/0x197 [ 233.702963] ? __lock_acquire+0x62f/0x4c20 [ 233.707191] ? zap_class+0x640/0x640 [ 233.710913] ? percpu_ref_get_many+0x240/0x240 [ 233.715496] ? print_usage_bug+0xc0/0xc0 [ 233.719560] ? print_usage_bug+0xc0/0xc0 [ 233.723621] ? zap_class+0x640/0x640 [ 233.727337] ? print_usage_bug+0xc0/0xc0 [ 233.731390] ? print_usage_bug+0xc0/0xc0 [ 233.735437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.740961] ? find_held_lock+0x36/0x1c0 [ 233.745029] ? mark_held_locks+0xc7/0x130 [ 233.749199] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 233.754307] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 233.759414] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 233.764000] ? trace_hardirqs_on+0xbd/0x310 [ 233.768348] ? kasan_check_read+0x11/0x20 [ 233.772493] ? ___ratelimit+0x3b4/0x672 [ 233.776466] ? trace_hardirqs_off_caller+0x310/0x310 [ 233.781581] ? trace_hardirqs_on+0x310/0x310 [ 233.785988] ? lock_downgrade+0x900/0x900 [ 233.790166] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.795267] ? ___ratelimit+0x3b9/0x672 [ 233.799249] ? idr_get_free+0xec0/0xec0 [ 233.803219] ? kasan_check_read+0x11/0x20 [ 233.807361] ? do_raw_spin_unlock+0xa7/0x330 [ 233.811817] oom_kill_process.cold.27+0x10/0x903 [ 233.816584] ? zap_class+0x640/0x640 [ 233.820297] ? _raw_spin_unlock+0x2c/0x50 [ 233.824445] ? oom_badness+0xe6/0xaa0 [ 233.828243] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 233.833167] ? kasan_check_read+0x11/0x20 [ 233.837311] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 233.842588] ? oom_evaluate_task+0x540/0x540 [ 233.846998] ? find_held_lock+0x36/0x1c0 [ 233.851078] ? out_of_memory+0x974/0x1430 [ 233.855231] ? lock_downgrade+0x900/0x900 [ 233.859385] ? check_preemption_disabled+0x48/0x280 [ 233.864406] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 233.869334] ? kasan_check_read+0x11/0x20 [ 233.873484] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 233.878767] ? rcu_softirq_qs+0x20/0x20 [ 233.882758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.888292] ? oom_evaluate_task+0x302/0x540 [ 233.892709] out_of_memory+0xa84/0x1430 [ 233.896692] ? oom_killer_disable+0x3a0/0x3a0 [ 233.901204] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 233.906147] ? __mutex_add_waiter+0x2a0/0x2a0 [ 233.910668] __alloc_pages_slowpath+0x22d4/0x2d70 [ 233.915545] ? warn_alloc+0x120/0x120 [ 233.919350] ? rcu_softirq_qs+0x20/0x20 [ 233.923357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.928895] ? should_fail+0x22d/0xd01 [ 233.932798] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.937903] ? zap_class+0x640/0x640 [ 233.941642] ? __lock_is_held+0xb5/0x140 [ 233.945715] ? mark_held_locks+0x130/0x130 [ 233.949953] ? lock_release+0xa00/0xa00 [ 233.953930] ? perf_trace_sched_process_exec+0x860/0x860 [ 233.959394] ? __might_sleep+0x95/0x190 [ 233.963376] __alloc_pages_nodemask+0xa80/0xde0 [ 233.968053] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 233.973075] ? __page_cache_alloc+0x191/0x5c0 [ 233.977582] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 233.982513] ? kasan_check_read+0x11/0x20 [ 233.986677] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 233.991954] ? zap_class+0x640/0x640 [ 233.995673] ? zap_class+0x640/0x640 [ 233.999393] ? zap_class+0x640/0x640 [ 234.003111] ? __do_page_cache_readahead+0x7ce/0x980 [ 234.008218] ? find_held_lock+0x36/0x1c0 [ 234.012296] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 234.017854] alloc_pages_current+0x173/0x350 [ 234.022272] __page_cache_alloc+0x38c/0x5c0 [ 234.026592] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 234.031522] ? kasan_check_read+0x11/0x20 [ 234.035675] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 234.040955] ? generic_perform_write+0x6a0/0x6a0 [ 234.045705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.051240] ? check_preemption_disabled+0x48/0x280 [ 234.056280] filemap_fault+0x1594/0x25f0 [ 234.060357] ? __lock_page_or_retry+0xa00/0xa00 [ 234.065047] ? mark_held_locks+0x130/0x130 [ 234.069285] ? rcu_softirq_qs+0x20/0x20 [ 234.073276] ? filemap_map_pages+0xe04/0x1990 [ 234.077804] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 234.082744] ? futex_wait_setup+0x15c/0x3e0 [ 234.087073] ? zap_class+0x640/0x640 [ 234.090800] ? lock_acquire+0x1ed/0x520 [ 234.094779] ? alloc_set_pte+0x1447/0x1f40 [ 234.099039] ? lock_acquire+0x1ed/0x520 [ 234.103036] ? ext4_filemap_fault+0x7a/0xad [ 234.107367] ? lock_release+0xa00/0xa00 [ 234.111344] ? perf_trace_sched_process_exec+0x860/0x860 [ 234.116798] ? print_usage_bug+0xc0/0xc0 [ 234.120874] ? print_usage_bug+0xc0/0xc0 [ 234.124948] ? down_read+0x8d/0x120 [ 234.128572] ? ext4_filemap_fault+0x7a/0xad [ 234.132915] ? __down_interruptible+0x700/0x700 [ 234.137598] ext4_filemap_fault+0x82/0xad [ 234.141751] __do_fault+0x100/0x6b0 [ 234.145389] ? unlock_page+0x2c2/0x4c0 [ 234.149285] ? pmd_devmap_trans_unstable+0x220/0x220 [ 234.154393] ? mark_held_locks+0x130/0x130 [ 234.158632] ? mark_held_locks+0x130/0x130 [ 234.162867] ? do_raw_spin_trylock+0x270/0x270 [ 234.167475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.173027] __handle_mm_fault+0x307c/0x5920 [ 234.177449] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 234.182307] ? kasan_check_read+0x11/0x20 [ 234.186463] ? _copy_to_user+0xc8/0x110 [ 234.190444] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.195990] ? zap_class+0x640/0x640 [ 234.199724] ? zap_class+0x640/0x640 [ 234.203465] ? find_held_lock+0x36/0x1c0 [ 234.207543] ? handle_mm_fault+0x42a/0xc70 [ 234.211785] ? lock_downgrade+0x900/0x900 [ 234.215937] ? check_preemption_disabled+0x48/0x280 [ 234.220962] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 234.225902] ? kasan_check_read+0x11/0x20 [ 234.230061] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 234.235355] ? rcu_softirq_qs+0x20/0x20 [ 234.239341] ? trace_hardirqs_off_caller+0x310/0x310 [ 234.244460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.249998] ? check_preemption_disabled+0x48/0x280 [ 234.255038] handle_mm_fault+0x54f/0xc70 [ 234.259110] ? __handle_mm_fault+0x5920/0x5920 [ 234.263699] ? find_vma+0x34/0x190 [ 234.267252] __do_page_fault+0x5e8/0xe60 [ 234.271311] ? trace_hardirqs_off+0xb8/0x310 [ 234.275730] ? __ia32_sys_read+0xb0/0xb0 [ 234.279837] do_page_fault+0xf2/0x7e0 [ 234.283642] ? vmalloc_sync_all+0x30/0x30 [ 234.287794] ? error_entry+0x70/0xd0 [ 234.291515] ? trace_hardirqs_off_caller+0xbb/0x310 [ 234.296534] ? trace_hardirqs_on_caller+0xc0/0x310 [ 234.301472] ? syscall_return_slowpath+0x5e0/0x5e0 [ 234.306411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.311268] ? trace_hardirqs_on_caller+0x310/0x310 [ 234.316283] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.321736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.327273] ? prepare_exit_to_usermode+0x291/0x3b0 [ 234.332293] ? page_fault+0x8/0x30 [ 234.335837] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.340682] ? page_fault+0x8/0x30 [ 234.344235] page_fault+0x1e/0x30 [ 234.347696] RIP: 0033:0x4727a0 [ 234.350898] Code: Bad RIP value. [ 234.354255] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 234.359619] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 234.366884] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 234.374148] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 234.381419] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 234.388686] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 234.395980] warn_alloc_show_mem: 1 callbacks suppressed [ 234.395992] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 234.395994] Mem-Info: [ 234.396035] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 234.396035] active_file:12 inactive_file:13 isolated_file:0 [ 234.396035] unevictable:0 dirty:0 writeback:0 unstable:0 [ 234.396035] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 234.396035] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 234.396035] free:13771 free_pcp:124 free_cma:0 [ 234.401385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.408317] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 234.410718] Call Trace: [ 234.443589] Node 0 [ 234.453527] [ 234.480953] 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 [ 234.483516] dump_stack+0x244/0x39d [ 234.485723] lowmem_reserve[]: [ 234.487871] ? dump_stack_print_info.cold.1+0x20/0x20 [ 234.513353] 0 2818 [ 234.516988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.520068] 6321 [ 234.525286] warn_alloc.cold.117+0xb7/0x1bd [ 234.527493] 6321 [ 234.533029] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 234.539396] ? lock_downgrade+0x900/0x900 [ 234.541437] Node 0 [ 234.546277] ? trace_hardirqs_off+0xb8/0x310 [ 234.550423] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 234.552632] ? trace_hardirqs_off+0xb8/0x310 [ 234.557007] lowmem_reserve[]: 0 [ 234.584010] __alloc_pages_slowpath+0x2660/0x2d70 [ 234.588403] 0 [ 234.591701] ? warn_alloc+0x120/0x120 [ 234.596499] 3503 [ 234.598302] ? warn_alloc+0x120/0x120 [ 234.602081] 3503 [ 234.604170] ? print_usage_bug+0xc0/0xc0 [ 234.610023] ? warn_alloc+0x120/0x120 [ 234.614067] Node 0 [ 234.617862] ? print_usage_bug+0xc0/0xc0 [ 234.617891] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 234.617899] lowmem_reserve[]: [ 234.620128] ? __lock_acquire+0x62f/0x4c20 [ 234.624169] 0 [ 234.652274] ? __lock_acquire+0x62f/0x4c20 [ 234.655359] 0 [ 234.659593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.661370] 0 [ 234.665603] ? should_fail+0x22d/0xd01 [ 234.667388] 0 [ 234.672924] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 234.678588] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.680373] Node 0 [ 234.685642] ? __lock_acquire+0x62f/0x4c20 [ 234.690735] DMA: [ 234.692971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.697187] 1*4kB [ 234.699252] ? __lock_acquire+0x62f/0x4c20 [ 234.704334] (U) [ 234.706475] ? should_fail+0x22d/0xd01 [ 234.710686] 0*8kB [ 234.712663] ? rcu_irq_exit+0x1a2/0x390 [ 234.716520] 0*16kB 1*32kB [ 234.718694] ? mark_held_locks+0x130/0x130 [ 234.722642] (U) [ 234.725482] ? mark_held_locks+0x130/0x130 [ 234.729688] 2*64kB (U) [ 234.731679] ? mark_held_locks+0xc7/0x130 [ 234.735888] 1*128kB (U) [ 234.738482] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 234.742600] 1*256kB (U) [ 234.745274] ? zap_class+0x640/0x640 [ 234.750263] 0*512kB 1*1024kB [ 234.752940] ? print_usage_bug+0xc0/0xc0 [ 234.756629] (U) [ 234.759732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.763768] 1*2048kB [ 234.765739] ? check_preemption_disabled+0x48/0x280 [ 234.771252] (M) [ 234.773690] ? __lock_is_held+0xb5/0x140 [ 234.778679] 3*4096kB [ 234.780651] __alloc_pages_nodemask+0xa80/0xde0 [ 234.784686] (M) [ 234.787091] ? zap_class+0x640/0x640 [ 234.791737] = 15908kB [ 234.793710] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 234.797399] Node 0 [ 234.799812] ? find_held_lock+0x36/0x1c0 [ 234.804799] DMA32: [ 234.807077] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.811103] 4*4kB [ 234.813336] ? lock_downgrade+0x900/0x900 [ 234.817982] (M) [ 234.820133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.824256] 0*8kB [ 234.826229] cache_grow_begin+0xa5/0x8c0 [ 234.831741] 2*16kB [ 234.833888] ? do_raw_spin_unlock+0xa7/0x330 [ 234.837927] (M) [ 234.840165] fallback_alloc+0x204/0x2e0 [ 234.844547] 2*32kB [ 234.846521] ____cache_alloc_node+0x1c7/0x1e0 [ 234.850482] (UM) [ 234.852731] kmem_cache_alloc_node+0xe3/0x730 [ 234.857202] 4*64kB (UM) [ 234.859284] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.863771] 4*128kB [ 234.866445] __alloc_skb+0x119/0x770 [ 234.870650] (M) [ 234.873002] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 234.876700] 3*256kB [ 234.878677] ? netdev_alloc_frag+0x1f0/0x1f0 [ 234.883930] (M) [ 234.886249] ? lock_downgrade+0x900/0x900 [ 234.890629] 4*512kB (UM) [ 234.892612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.896744] 3*1024kB [ 234.899502] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.905022] (UM) [ 234.907438] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.912857] 3*2048kB (UM) [ 234.914929] ? addrconf_rs_timer+0x690/0x690 [ 234.920360] 3*4096kB (M) [ 234.923216] ndisc_alloc_skb+0x144/0x340 [ 234.927598] = 25200kB [ 234.930351] ndisc_send_rs+0x331/0x6e0 [ 234.934394] Node 0 [ 234.936800] addrconf_rs_timer+0x314/0x690 [ 234.940675] Normal: [ 234.942909] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.947125] 786*4kB [ 234.949453] call_timer_fn+0x272/0x920 [ 234.953655] (MEH) [ 234.955976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.959846] 440*8kB [ 234.961992] ? process_timeout+0x40/0x40 [ 234.966201] (UMEH) [ 234.968533] ? __run_timers+0x7da/0xc70 [ 234.972571] 141*16kB [ 234.974820] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.978759] (MEH) 54*32kB [ 234.981180] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.985683] (MEH) [ 234.988528] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.993034] 14*64kB (UME) [ 234.995211] ? lockdep_hardirqs_on+0x296/0x5b0 [ 234.999419] 1*128kB (H) [ 235.002275] ? trace_hardirqs_on+0xbd/0x310 [ 235.006826] 1*256kB (H) [ 235.009535] ? kasan_check_read+0x11/0x20 [ 235.013834] 2*512kB [ 235.016502] ? __run_timers+0x7da/0xc70 [ 235.020629] (H) [ 235.022971] ? trace_hardirqs_off_caller+0x310/0x310 [ 235.026942] 1*1024kB (U) [ 235.028929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.034019] 0*2048kB [ 235.036800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.041004] 0*4096kB = 13976kB [ 235.043433] __run_timers+0x7e5/0xc70 [ 235.047650] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 235.050844] ? timer_fixup_init+0x70/0x70 [ 235.054618] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 235.063455] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 235.067583] 163 total pagecache pages [ 235.076152] ? zap_class+0x640/0x640 [ 235.081153] 0 pages in swap cache [ 235.084941] ? enqueue_hrtimer+0x1a5/0x560 [ 235.088632] Swap cache stats: add 0, delete 0, find 0/0 [ 235.088641] Free swap = 0kB [ 235.092102] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 235.096337] Total swap = 0kB [ 235.101712] ? find_held_lock+0x36/0x1c0 [ 235.104718] 1965979 pages RAM [ 235.109906] ? zap_class+0x640/0x640 [ 235.112901] 0 pages HighMem/MovableOnly [ 235.112911] 342867 pages reserved [ 235.116989] ? pvclock_read_flags+0x160/0x160 [ 235.120086] 0 pages cma reserved [ 235.120300] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 235.123815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.127852] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 235.131226] ? check_preemption_disabled+0x48/0x280 [ 235.135791] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 235.139084] ? __lock_is_held+0xb5/0x140 [ 235.145623] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 235.151092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.157579] syz-fuzzer cpuset= [ 235.162591] ? check_preemption_disabled+0x48/0x280 [ 235.169058] / [ 235.173129] run_timer_softirq+0x52/0xb0 [ 235.183341] mems_allowed=0 [ 235.188886] ? rcu_read_lock_sched_held+0x14f/0x180 [ 235.210731] __do_softirq+0x308/0xb7e [ 235.214537] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 235.219035] ? lock_downgrade+0x900/0x900 [ 235.223209] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 235.228323] ? pvclock_read_flags+0x160/0x160 [ 235.232834] ? lapic_next_event+0x5a/0x90 [ 235.236988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.242542] ? kvm_clock_read+0x18/0x30 [ 235.246517] ? kvm_sched_clock_read+0x9/0x20 [ 235.250940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.256475] ? check_preemption_disabled+0x48/0x280 [ 235.261501] irq_exit+0x17f/0x1c0 [ 235.264975] smp_apic_timer_interrupt+0x1cb/0x760 [ 235.269815] ? smp_reschedule_interrupt+0x109/0x650 [ 235.274831] ? smp_call_function_single_interrupt+0x650/0x650 [ 235.280716] ? interrupt_entry+0xb5/0xc0 [ 235.284785] ? trace_hardirqs_off_caller+0xbb/0x310 [ 235.289801] ? trace_hardirqs_off_caller+0xbb/0x310 [ 235.294821] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.299665] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.304683] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.309709] ? task_prio+0x50/0x50 [ 235.313255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.318790] ? check_preemption_disabled+0x48/0x280 [ 235.323812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.328664] apic_timer_interrupt+0xf/0x20 [ 235.332894] [ 235.335143] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 235.341068] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 235.359965] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 235.367675] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 235.374952] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 235.382222] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 235.389488] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 235.396755] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 235.404069] ? save_stack+0xa9/0xd0 [ 235.407715] __kmalloc_node_track_caller+0x33/0x70 [ 235.412685] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 235.417445] pskb_expand_head+0x230/0x10f0 [ 235.421686] ? memcpy+0x45/0x50 [ 235.424995] ? __copy_skb_header+0x350/0x6b0 [ 235.429418] ? skb_release_data+0x880/0x880 [ 235.433738] ? __alloc_skb+0x770/0x770 [ 235.437636] ? __lock_is_held+0xb5/0x140 [ 235.441705] ? kasan_check_write+0x14/0x20 [ 235.445937] ? __skb_clone+0x6c7/0xa00 [ 235.449826] ? __copy_skb_header+0x6b0/0x6b0 [ 235.454708] ? kmem_cache_alloc+0x33a/0x730 [ 235.459046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.464591] skb_ensure_writable+0x3dd/0x640 [ 235.469027] ? skb_checksum_setup+0xaa0/0xaa0 [ 235.473538] ? check_preemption_disabled+0x48/0x280 [ 235.478561] ? __this_cpu_preempt_check+0x1c/0x20 [ 235.483418] ? __bpf_redirect+0x54b/0xb20 [ 235.487580] bpf_clone_redirect+0x14a/0x490 [ 235.491911] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 235.496929] ? __sched_text_start+0x8/0x8 [ 235.501077] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 235.505838] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 235.510420] ? retint_kernel+0x2d/0x2d [ 235.514334] ? find_held_lock+0x36/0x1c0 [ 235.518448] ? lock_acquire+0x1ed/0x520 [ 235.522426] ? bpf_test_run+0x3cb/0x780 [ 235.526400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.531947] ? check_preemption_disabled+0x48/0x280 [ 235.536980] ? kasan_check_read+0x11/0x20 [ 235.541141] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 235.546424] ? rcu_softirq_qs+0x20/0x20 [ 235.550399] ? preempt_schedule+0x4d/0x60 [ 235.554547] ? ___preempt_schedule+0x16/0x18 [ 235.558966] ? bpf_test_run+0x25d/0x780 [ 235.563085] ? netlink_diag_dump+0x2a0/0x2a0 [ 235.567503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.573051] ? bpf_test_init.isra.10+0x70/0x100 [ 235.577730] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 235.582497] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 235.587350] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 235.593516] ? fput+0x130/0x1a0 [ 235.596808] ? __bpf_prog_get+0x9b/0x290 [ 235.600877] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 235.605730] ? bpf_prog_test_run+0x130/0x1a0 [ 235.610145] ? __x64_sys_bpf+0x3d8/0x520 [ 235.614206] ? bpf_prog_get+0x20/0x20 [ 235.618034] ? do_syscall_64+0x1b9/0x820 [ 235.622110] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 235.627480] ? syscall_return_slowpath+0x5e0/0x5e0 [ 235.632416] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.637435] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 235.642457] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 235.649122] ? __switch_to_asm+0x40/0x70 [ 235.653182] ? __switch_to_asm+0x34/0x70 [ 235.657251] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.662102] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 235.667483] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 235.667571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 235.674153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.674162] Call Trace: [ 235.680762] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 235.689986] [ 235.692571] syz-executor5 cpuset= [ 235.703060] dump_stack+0x244/0x39d [ 235.705197] syz5 [ 235.708651] ? dump_stack_print_info.cold.1+0x20/0x20 [ 235.712260] mems_allowed=0 [ 235.714237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.727879] warn_alloc.cold.117+0xb7/0x1bd [ 235.732229] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 235.737083] ? lock_downgrade+0x900/0x900 [ 235.741241] ? trace_hardirqs_off+0xb8/0x310 [ 235.745661] ? trace_hardirqs_off+0xb8/0x310 [ 235.750081] __alloc_pages_slowpath+0x2660/0x2d70 [ 235.754974] ? warn_alloc+0x120/0x120 [ 235.758781] ? warn_alloc+0x120/0x120 [ 235.762609] ? print_usage_bug+0xc0/0xc0 [ 235.766672] ? warn_alloc+0x120/0x120 [ 235.770475] ? print_usage_bug+0xc0/0xc0 [ 235.774554] ? __lock_acquire+0x62f/0x4c20 [ 235.778792] ? __lock_acquire+0x62f/0x4c20 [ 235.783039] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.788585] ? should_fail+0x22d/0xd01 [ 235.792487] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 235.797779] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.802899] ? __lock_acquire+0x62f/0x4c20 [ 235.807142] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.812254] ? __lock_acquire+0x62f/0x4c20 [ 235.816491] ? should_fail+0x22d/0xd01 [ 235.820382] ? rcu_irq_exit+0x1a2/0x390 [ 235.824374] ? mark_held_locks+0x130/0x130 [ 235.828609] ? mark_held_locks+0x130/0x130 [ 235.832850] ? mark_held_locks+0xc7/0x130 [ 235.837000] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 235.842035] ? zap_class+0x640/0x640 [ 235.845759] ? print_usage_bug+0xc0/0xc0 [ 235.849851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.855390] ? check_preemption_disabled+0x48/0x280 [ 235.860417] ? __lock_is_held+0xb5/0x140 [ 235.864488] __alloc_pages_nodemask+0xa80/0xde0 [ 235.869163] ? zap_class+0x640/0x640 [ 235.872885] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 235.877913] ? find_held_lock+0x36/0x1c0 [ 235.882003] ? ____cache_alloc_node+0x1c7/0x1e0 [ 235.886685] ? lock_downgrade+0x900/0x900 [ 235.890855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.896400] cache_grow_begin+0xa5/0x8c0 [ 235.900476] ? do_raw_spin_unlock+0xa7/0x330 [ 235.904906] fallback_alloc+0x204/0x2e0 [ 235.908902] ____cache_alloc_node+0x1c7/0x1e0 [ 235.913403] kmem_cache_alloc_node+0xe3/0x730 [ 235.917914] ? ipv6_get_ifaddr+0x42e/0x620 [ 235.922160] __alloc_skb+0x119/0x770 [ 235.925878] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 235.931163] ? netdev_alloc_frag+0x1f0/0x1f0 [ 235.935576] ? lock_downgrade+0x900/0x900 [ 235.939733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.945275] ? refcount_sub_and_test_checked+0x203/0x310 [ 235.950739] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 235.956188] ? addrconf_rs_timer+0x690/0x690 [ 235.960614] ndisc_alloc_skb+0x144/0x340 [ 235.964704] ndisc_send_rs+0x331/0x6e0 [ 235.968599] addrconf_rs_timer+0x314/0x690 [ 235.972836] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.977088] call_timer_fn+0x272/0x920 [ 235.980977] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.985224] ? process_timeout+0x40/0x40 [ 235.989299] ? mark_held_locks+0xc7/0x130 [ 235.993455] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.997953] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.002469] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.006702] ? lockdep_hardirqs_on+0x296/0x5b0 [ 236.011290] ? trace_hardirqs_on+0xbd/0x310 [ 236.015616] ? kasan_check_read+0x11/0x20 [ 236.019773] ? __run_timers+0x7da/0xc70 [ 236.023776] ? trace_hardirqs_off_caller+0x310/0x310 [ 236.028884] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.033131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.037370] __run_timers+0x7e5/0xc70 [ 236.041188] ? timer_fixup_init+0x70/0x70 [ 236.045340] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 236.050357] ? zap_class+0x640/0x640 [ 236.054083] ? print_usage_bug+0xc0/0xc0 [ 236.058150] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 236.063347] ? find_held_lock+0x36/0x1c0 [ 236.067419] ? zap_class+0x640/0x640 [ 236.071154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.076694] ? check_preemption_disabled+0x48/0x280 [ 236.081722] ? __lock_is_held+0xb5/0x140 [ 236.085786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.091324] ? check_preemption_disabled+0x48/0x280 [ 236.096348] run_timer_softirq+0x52/0xb0 [ 236.100414] ? rcu_read_lock_sched_held+0x14f/0x180 [ 236.105433] __do_softirq+0x308/0xb7e [ 236.109238] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 236.113734] ? lock_downgrade+0x900/0x900 [ 236.117888] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 236.123002] ? pvclock_read_flags+0x160/0x160 [ 236.127515] ? lapic_next_event+0x5a/0x90 [ 236.131673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.137220] ? kvm_clock_read+0x18/0x30 [ 236.141193] ? kvm_sched_clock_read+0x9/0x20 [ 236.145637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.151194] ? check_preemption_disabled+0x48/0x280 [ 236.156221] irq_exit+0x17f/0x1c0 [ 236.159675] smp_apic_timer_interrupt+0x1cb/0x760 [ 236.164521] ? smp_reschedule_interrupt+0x109/0x650 [ 236.169561] ? smp_call_function_single_interrupt+0x650/0x650 [ 236.175448] ? interrupt_entry+0xb5/0xc0 [ 236.179514] ? trace_hardirqs_off_caller+0xbb/0x310 [ 236.184546] ? trace_hardirqs_off_caller+0xbb/0x310 [ 236.189580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.194429] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.199444] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.204466] ? task_prio+0x50/0x50 [ 236.208022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.213578] ? check_preemption_disabled+0x48/0x280 [ 236.218604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.223458] apic_timer_interrupt+0xf/0x20 [ 236.227686] [ 236.229933] RIP: 0010:console_unlock+0xffa/0x1160 [ 236.234779] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 236.253677] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 236.261391] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 236.268664] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 236.275936] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 236.283202] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 236.290468] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 236.297766] ? netconsole_netdev_event+0x280/0x280 [ 236.302707] ? console_unlock+0xff1/0x1160 [ 236.306988] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 236.311675] ? lock_release+0xa00/0xa00 [ 236.315653] ? interrupt_entry+0xc0/0xc0 [ 236.319728] vprintk_emit+0x33d/0x930 [ 236.323533] ? wake_up_klogd+0x180/0x180 [ 236.327603] ? attach_entity_load_avg+0x810/0x860 [ 236.332450] ? __lock_acquire+0x600/0x4c20 [ 236.336689] ? mark_held_locks+0x130/0x130 [ 236.340923] ? print_usage_bug+0xc0/0xc0 [ 236.344997] ? find_held_lock+0x36/0x1c0 [ 236.349079] ? mark_held_locks+0xc7/0x130 [ 236.353231] vprintk_default+0x28/0x30 [ 236.357120] vprintk_func+0x7e/0x181 [ 236.360837] printk+0xa7/0xcf [ 236.363943] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 236.368722] show_free_areas.cold.118+0x1f34/0x215d [ 236.373781] ? si_meminfo_node+0x260/0x260 [ 236.378039] ? __lock_acquire+0x62f/0x4c20 [ 236.382280] ? __lock_acquire+0x62f/0x4c20 [ 236.386514] ? __lock_is_held+0xb5/0x140 [ 236.390598] ? mark_held_locks+0x130/0x130 [ 236.394837] ? zap_class+0x640/0x640 [ 236.398564] ? put_dec+0x3b/0xf0 [ 236.401936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.407484] ? find_held_lock+0x36/0x1c0 [ 236.411564] ? serial8250_console_write+0x8b3/0xb10 [ 236.416582] ? lock_downgrade+0x900/0x900 [ 236.420730] ? zap_class+0x640/0x640 [ 236.424447] ? zap_class+0x640/0x640 [ 236.428167] ? print_usage_bug+0xc0/0xc0 [ 236.432227] ? do_raw_spin_unlock+0xa7/0x330 [ 236.436636] ? trace_hardirqs_on+0x310/0x310 [ 236.441048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.446621] ? find_held_lock+0x36/0x1c0 [ 236.450690] ? mark_held_locks+0xc7/0x130 [ 236.454842] ? console_unlock+0xfcd/0x1160 [ 236.459255] ? netconsole_netdev_event+0x280/0x280 [ 236.464187] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 236.468770] ? trace_hardirqs_on+0xbd/0x310 [ 236.473093] ? vprintk_emit+0x33d/0x930 [ 236.477085] ? trace_hardirqs_off_caller+0x310/0x310 [ 236.482195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.487739] ? netconsole_netdev_event+0x280/0x280 [ 236.492673] ? console_unlock+0x8d8/0x1160 [ 236.496927] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 236.501596] ? vprintk_emit+0x7f7/0x930 [ 236.505576] ? lock_release+0xa00/0xa00 [ 236.509578] ? preempt_count_add+0xbc/0x1b0 [ 236.513906] ? wake_up_klogd+0x11a/0x180 [ 236.517998] ? console_device+0xc0/0xc0 [ 236.521995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.527552] ? vprintk_emit+0x268/0x930 [ 236.531535] ? wake_up_klogd+0x180/0x180 [ 236.535603] ? trace_hardirqs_on_caller+0xc0/0x310 [ 236.540544] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.545300] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.550748] ? retint_kernel+0x1b/0x2d [ 236.554636] ? trace_hardirqs_on+0x310/0x310 [ 236.559055] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.563835] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 236.568607] ? show_mem+0x1e/0x17b [ 236.572153] show_mem+0x34/0x17b [ 236.575527] dump_header+0x2f1/0xf72 [ 236.579256] ? mark_held_locks+0x130/0x130 [ 236.583494] ? pagefault_out_of_memory+0x197/0x197 [ 236.588448] ? __lock_acquire+0x62f/0x4c20 [ 236.592696] ? zap_class+0x640/0x640 [ 236.596428] ? percpu_ref_get_many+0x240/0x240 [ 236.601024] ? print_usage_bug+0xc0/0xc0 [ 236.605092] ? print_usage_bug+0xc0/0xc0 [ 236.609161] ? zap_class+0x640/0x640 [ 236.612879] ? print_usage_bug+0xc0/0xc0 [ 236.616945] ? print_usage_bug+0xc0/0xc0 [ 236.621021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.626574] ? find_held_lock+0x36/0x1c0 [ 236.630641] ? mark_held_locks+0xc7/0x130 [ 236.634797] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 236.639901] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 236.645006] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 236.649602] ? trace_hardirqs_on+0xbd/0x310 [ 236.653926] ? kasan_check_read+0x11/0x20 [ 236.658075] ? ___ratelimit+0x3b4/0x672 [ 236.662060] ? trace_hardirqs_off_caller+0x310/0x310 [ 236.667168] ? trace_hardirqs_on+0x310/0x310 [ 236.671594] ? lock_downgrade+0x900/0x900 [ 236.675752] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 236.680860] ? ___ratelimit+0x3b9/0x672 [ 236.684840] ? idr_get_free+0xec0/0xec0 [ 236.688817] ? kasan_check_read+0x11/0x20 [ 236.692962] ? do_raw_spin_unlock+0xa7/0x330 [ 236.697379] oom_kill_process.cold.27+0x10/0x903 [ 236.702141] ? zap_class+0x640/0x640 [ 236.705885] ? _raw_spin_unlock+0x2c/0x50 [ 236.710040] ? oom_badness+0xe6/0xaa0 [ 236.713851] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 236.718784] ? kasan_check_read+0x11/0x20 [ 236.722937] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 236.728222] ? oom_evaluate_task+0x540/0x540 [ 236.732634] ? find_held_lock+0x36/0x1c0 [ 236.736700] ? out_of_memory+0x974/0x1430 [ 236.740846] ? lock_downgrade+0x900/0x900 [ 236.744998] ? check_preemption_disabled+0x48/0x280 [ 236.750046] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 236.754998] ? kasan_check_read+0x11/0x20 [ 236.759153] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 236.764609] ? rcu_softirq_qs+0x20/0x20 [ 236.768593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.774152] ? oom_evaluate_task+0x302/0x540 [ 236.778582] out_of_memory+0xa84/0x1430 [ 236.782572] ? oom_killer_disable+0x3a0/0x3a0 [ 236.787073] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 236.792008] ? __mutex_add_waiter+0x2a0/0x2a0 [ 236.796526] __alloc_pages_slowpath+0x22d4/0x2d70 [ 236.801412] ? warn_alloc+0x120/0x120 [ 236.805222] ? rcu_softirq_qs+0x20/0x20 [ 236.809237] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.814772] ? should_fail+0x22d/0xd01 [ 236.818662] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.823782] ? zap_class+0x640/0x640 [ 236.827530] ? __lock_is_held+0xb5/0x140 [ 236.831605] ? mark_held_locks+0x130/0x130 [ 236.835842] ? lock_release+0xa00/0xa00 [ 236.839815] ? perf_trace_sched_process_exec+0x860/0x860 [ 236.845277] ? __might_sleep+0x95/0x190 [ 236.849254] __alloc_pages_nodemask+0xa80/0xde0 [ 236.853966] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 236.858988] ? __page_cache_alloc+0x191/0x5c0 [ 236.863512] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 236.868484] ? kasan_check_read+0x11/0x20 [ 236.872638] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 236.877916] ? zap_class+0x640/0x640 [ 236.881641] ? zap_class+0x640/0x640 [ 236.885369] ? zap_class+0x640/0x640 [ 236.889083] ? __do_page_cache_readahead+0x7ce/0x980 [ 236.894190] ? find_held_lock+0x36/0x1c0 [ 236.898255] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 236.903798] alloc_pages_current+0x173/0x350 [ 236.908212] __page_cache_alloc+0x38c/0x5c0 [ 236.912535] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 236.917469] ? kasan_check_read+0x11/0x20 [ 236.921619] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 236.926898] ? generic_perform_write+0x6a0/0x6a0 [ 236.931653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.937192] ? check_preemption_disabled+0x48/0x280 [ 236.942219] filemap_fault+0x1594/0x25f0 [ 236.946298] ? __lock_page_or_retry+0xa00/0xa00 [ 236.950981] ? mark_held_locks+0x130/0x130 [ 236.955237] ? rcu_softirq_qs+0x20/0x20 [ 236.959237] ? filemap_map_pages+0xe04/0x1990 [ 236.963750] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 236.968685] ? futex_wait_setup+0x15c/0x3e0 [ 236.973009] ? zap_class+0x640/0x640 [ 236.976744] ? lock_acquire+0x1ed/0x520 [ 236.980724] ? alloc_set_pte+0x1447/0x1f40 [ 236.984979] ? lock_acquire+0x1ed/0x520 [ 236.988963] ? ext4_filemap_fault+0x7a/0xad [ 236.993296] ? lock_release+0xa00/0xa00 [ 236.997270] ? perf_trace_sched_process_exec+0x860/0x860 [ 237.002720] ? print_usage_bug+0xc0/0xc0 [ 237.006787] ? print_usage_bug+0xc0/0xc0 [ 237.010864] ? down_read+0x8d/0x120 [ 237.014490] ? ext4_filemap_fault+0x7a/0xad [ 237.018811] ? __down_interruptible+0x700/0x700 [ 237.023500] ext4_filemap_fault+0x82/0xad [ 237.027652] __do_fault+0x100/0x6b0 [ 237.031283] ? unlock_page+0x2c2/0x4c0 [ 237.035175] ? pmd_devmap_trans_unstable+0x220/0x220 [ 237.040319] ? mark_held_locks+0x130/0x130 [ 237.044561] ? mark_held_locks+0x130/0x130 [ 237.048800] ? do_raw_spin_trylock+0x270/0x270 [ 237.053401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.058950] __handle_mm_fault+0x307c/0x5920 [ 237.063373] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 237.068219] ? kasan_check_read+0x11/0x20 [ 237.072372] ? _copy_to_user+0xc8/0x110 [ 237.076363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.081913] ? zap_class+0x640/0x640 [ 237.085626] ? zap_class+0x640/0x640 [ 237.089351] ? find_held_lock+0x36/0x1c0 [ 237.093422] ? handle_mm_fault+0x42a/0xc70 [ 237.097668] ? lock_downgrade+0x900/0x900 [ 237.101825] ? check_preemption_disabled+0x48/0x280 [ 237.106887] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 237.111813] ? kasan_check_read+0x11/0x20 [ 237.115961] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 237.121245] ? rcu_softirq_qs+0x20/0x20 [ 237.125222] ? trace_hardirqs_off_caller+0x310/0x310 [ 237.130329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.135864] ? check_preemption_disabled+0x48/0x280 [ 237.140889] handle_mm_fault+0x54f/0xc70 [ 237.144961] ? __handle_mm_fault+0x5920/0x5920 [ 237.149566] ? find_vma+0x34/0x190 [ 237.153118] __do_page_fault+0x5e8/0xe60 [ 237.157178] ? trace_hardirqs_off+0xb8/0x310 [ 237.161599] ? __ia32_sys_read+0xb0/0xb0 [ 237.165671] do_page_fault+0xf2/0x7e0 [ 237.169474] ? vmalloc_sync_all+0x30/0x30 [ 237.173636] ? error_entry+0x70/0xd0 [ 237.177355] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.182371] ? trace_hardirqs_on_caller+0xc0/0x310 [ 237.187302] ? syscall_return_slowpath+0x5e0/0x5e0 [ 237.192240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.197090] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.202114] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.207598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.213162] ? prepare_exit_to_usermode+0x291/0x3b0 [ 237.218191] ? page_fault+0x8/0x30 [ 237.221743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.226604] ? page_fault+0x8/0x30 [ 237.230145] page_fault+0x1e/0x30 [ 237.233600] RIP: 0033:0x4727a0 [ 237.236806] Code: Bad RIP value. [ 237.240168] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 237.245532] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 237.252813] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 237.260077] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 237.267356] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 237.274622] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 237.281919] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 237.281925] warn_alloc_show_mem: 1 callbacks suppressed [ 237.281933] Mem-Info: [ 237.288864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.294262] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 237.294262] active_file:12 inactive_file:13 isolated_file:0 [ 237.294262] unevictable:0 dirty:0 writeback:0 unstable:0 [ 237.294262] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 237.294262] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 237.294262] free:13771 free_pcp:124 free_cma:0 [ 237.296663] Call Trace: [ 237.306061] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 237.339205] [ 237.341779] Node 0 [ 237.369209] dump_stack+0x244/0x39d [ 237.371360] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 237.373572] ? dump_stack_print_info.cold.1+0x20/0x20 [ 237.377180] lowmem_reserve[]: [ 237.402685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.407858] 0 [ 237.410980] warn_alloc.cold.117+0xb7/0x1bd [ 237.416491] 2818 [ 237.418302] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 237.422603] 6321 [ 237.425113] ? lock_downgrade+0x900/0x900 [ 237.429934] 6321 [ 237.431998] ? trace_hardirqs_off+0xb8/0x310 [ 237.438187] ? trace_hardirqs_off+0xb8/0x310 [ 237.442571] Node 0 DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 237.447024] __alloc_pages_slowpath+0x2660/0x2d70 [ 237.447085] ? warn_alloc+0x120/0x120 [ 237.474752] lowmem_reserve[]: 0 [ 237.479611] ? warn_alloc+0x120/0x120 [ 237.483380] 0 3503 [ 237.486666] ? print_usage_bug+0xc0/0xc0 [ 237.490445] 3503 [ 237.492715] ? warn_alloc+0x120/0x120 [ 237.498838] ? print_usage_bug+0xc0/0xc0 [ 237.502618] Node 0 [ 237.506671] ? __lock_acquire+0x62f/0x4c20 [ 237.506701] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 237.506708] lowmem_reserve[]: [ 237.508970] ? __lock_acquire+0x62f/0x4c20 [ 237.513187] 0 [ 237.541291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.544373] 0 [ 237.548602] ? should_fail+0x22d/0xd01 [ 237.550383] 0 [ 237.555918] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 237.557703] 0 [ 237.561611] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.563898] Node 0 [ 237.569172] ? __lock_acquire+0x62f/0x4c20 [ 237.570954] DMA: [ 237.576054] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.578268] 1*4kB [ 237.582498] ? __lock_acquire+0x62f/0x4c20 [ 237.584545] (U) [ 237.589651] ? should_fail+0x22d/0xd01 [ 237.591784] 0*8kB [ 237.596033] ? rcu_irq_exit+0x1a2/0x390 [ 237.597986] 0*16kB [ 237.601876] ? mark_held_locks+0x130/0x130 [ 237.603998] 1*32kB [ 237.607974] ? mark_held_locks+0x130/0x130 [ 237.610193] (U) [ 237.614424] ? mark_held_locks+0xc7/0x130 [ 237.616641] 2*64kB [ 237.620874] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 237.622826] (U) [ 237.626969] ? zap_class+0x640/0x640 [ 237.629189] 1*128kB [ 237.634199] ? print_usage_bug+0xc0/0xc0 [ 237.636159] (U) [ 237.639870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.642172] 1*256kB [ 237.646230] ? check_preemption_disabled+0x48/0x280 [ 237.648184] (U) [ 237.653726] ? __lock_is_held+0xb5/0x140 [ 237.656031] 0*512kB [ 237.661061] __alloc_pages_nodemask+0xa80/0xde0 [ 237.663000] 1*1024kB (U) [ 237.667078] ? zap_class+0x640/0x640 [ 237.669377] 1*2048kB (M) [ 237.674058] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 237.676794] 3*4096kB [ 237.680533] ? find_held_lock+0x36/0x1c0 [ 237.683269] (M) [ 237.688286] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.690683] = 15908kB [ 237.694735] ? lock_downgrade+0x900/0x900 [ 237.696691] Node 0 [ 237.701365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.703750] DMA32: [ 237.707895] cache_grow_begin+0xa5/0x8c0 [ 237.710115] 4*4kB [ 237.715650] ? do_raw_spin_unlock+0xa7/0x330 [ 237.717870] (M) [ 237.721931] fallback_alloc+0x204/0x2e0 [ 237.724057] 0*8kB [ 237.728502] ____cache_alloc_node+0x1c7/0x1e0 [ 237.730453] 2*16kB [ 237.734421] kmem_cache_alloc_node+0xe3/0x730 [ 237.736547] (M) [ 237.741054] ? ipv6_get_ifaddr+0x42e/0x620 [ 237.743265] 2*32kB [ 237.747761] __alloc_skb+0x119/0x770 [ 237.749709] (UM) [ 237.753947] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 237.756153] 4*64kB (UM) [ 237.759873] ? netdev_alloc_frag+0x1f0/0x1f0 [ 237.761922] 4*128kB [ 237.767196] ? lock_downgrade+0x900/0x900 [ 237.769849] (M) [ 237.774256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.776577] 3*256kB [ 237.780721] ? refcount_sub_and_test_checked+0x203/0x310 [ 237.782675] (M) [ 237.788209] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 237.790524] 4*512kB [ 237.795983] ? addrconf_rs_timer+0x690/0x690 [ 237.797958] (UM) [ 237.803424] ndisc_alloc_skb+0x144/0x340 [ 237.805720] 3*1024kB [ 237.810127] ndisc_send_rs+0x331/0x6e0 [ 237.812168] (UM) [ 237.816227] addrconf_rs_timer+0x314/0x690 [ 237.818619] 3*2048kB [ 237.822502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.824570] (UM) [ 237.828820] call_timer_fn+0x272/0x920 [ 237.831199] 3*4096kB [ 237.835429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.837484] (M) [ 237.841367] ? process_timeout+0x40/0x40 [ 237.843755] = 25200kB [ 237.847992] ? __run_timers+0x7da/0xc70 [ 237.849939] Node 0 [ 237.853999] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.856390] Normal: [ 237.860363] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.862578] 786*4kB [ 237.867071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.869634] (MEH) [ 237.874127] ? lockdep_hardirqs_on+0x296/0x5b0 [ 237.876429] 440*8kB [ 237.880670] ? trace_hardirqs_on+0xbd/0x310 [ 237.882811] (UMEH) [ 237.887394] ? kasan_check_read+0x11/0x20 [ 237.887411] ? __run_timers+0x7da/0xc70 [ 237.889717] 141*16kB [ 237.894050] ? trace_hardirqs_off_caller+0x310/0x310 [ 237.896261] (MEH) [ 237.900404] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.904359] 54*32kB [ 237.906764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.911847] (MEH) [ 237.913998] __run_timers+0x7e5/0xc70 [ 237.918222] 14*64kB [ 237.920546] ? timer_fixup_init+0x70/0x70 [ 237.924756] (UME) [ 237.926904] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.930675] 1*128kB (H) [ 237.933025] ? zap_class+0x640/0x640 [ 237.937152] 1*256kB [ 237.939298] ? enqueue_hrtimer+0x1a5/0x560 [ 237.944291] (H) [ 237.946962] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 237.950653] 2*512kB [ 237.952976] ? find_held_lock+0x36/0x1c0 [ 237.957190] (H) [ 237.959169] ? zap_class+0x640/0x640 [ 237.964337] 1*1024kB [ 237.966670] ? pvclock_read_flags+0x160/0x160 [ 237.970708] (U) [ 237.972679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.976375] 0*2048kB [ 237.978786] ? check_preemption_disabled+0x48/0x280 [ 237.983261] 0*4096kB [ 237.985242] ? __lock_is_held+0xb5/0x140 [ 237.990746] = 13976kB [ 237.990762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 237.993169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.998169] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 238.000572] ? check_preemption_disabled+0x48/0x280 [ 238.004611] 163 total pagecache pages [ 238.007027] run_timer_softirq+0x52/0xb0 [ 238.015846] 0 pages in swap cache [ 238.021412] ? rcu_read_lock_sched_held+0x14f/0x180 [ 238.029977] Swap cache stats: add 0, delete 0, find 0/0 [ 238.034987] __do_softirq+0x308/0xb7e [ 238.038769] Free swap = 0kB [ 238.042827] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 238.046256] Total swap = 0kB [ 238.046264] 1965979 pages RAM [ 238.051275] ? lock_downgrade+0x900/0x900 [ 238.056611] 0 pages HighMem/MovableOnly [ 238.056621] 342867 pages reserved [ 238.060429] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 238.063431] 0 pages cma reserved [ 238.067925] ? pvclock_read_flags+0x160/0x160 [ 238.070993] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 238.074052] ? lapic_next_event+0x5a/0x90 [ 238.078264] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.082142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.085575] syz-fuzzer cpuset= [ 238.090680] ? kvm_clock_read+0x18/0x30 [ 238.094033] / [ 238.098530] ? kvm_sched_clock_read+0x9/0x20 [ 238.105008] mems_allowed=0 [ 238.109163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.146575] ? check_preemption_disabled+0x48/0x280 [ 238.151601] irq_exit+0x17f/0x1c0 [ 238.155064] smp_apic_timer_interrupt+0x1cb/0x760 [ 238.159915] ? smp_reschedule_interrupt+0x109/0x650 [ 238.164930] ? smp_call_function_single_interrupt+0x650/0x650 [ 238.170815] ? interrupt_entry+0xb5/0xc0 [ 238.174878] ? trace_hardirqs_off_caller+0xbb/0x310 [ 238.179890] ? trace_hardirqs_off_caller+0xbb/0x310 [ 238.184909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.189752] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.194768] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.199783] ? task_prio+0x50/0x50 [ 238.203324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.208859] ? check_preemption_disabled+0x48/0x280 [ 238.213881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.218732] apic_timer_interrupt+0xf/0x20 [ 238.222962] [ 238.225206] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 238.231091] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 238.249990] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 238.257714] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 238.264984] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 238.272256] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 238.279523] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 238.286790] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 238.294086] ? save_stack+0xa9/0xd0 [ 238.297737] __kmalloc_node_track_caller+0x33/0x70 [ 238.302669] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 238.307435] pskb_expand_head+0x230/0x10f0 [ 238.311687] ? memcpy+0x45/0x50 [ 238.314972] ? __copy_skb_header+0x350/0x6b0 [ 238.319382] ? skb_release_data+0x880/0x880 [ 238.323702] ? __alloc_skb+0x770/0x770 [ 238.327599] ? __lock_is_held+0xb5/0x140 [ 238.331672] ? kasan_check_write+0x14/0x20 [ 238.335930] ? __skb_clone+0x6c7/0xa00 [ 238.339824] ? __copy_skb_header+0x6b0/0x6b0 [ 238.344243] ? kmem_cache_alloc+0x33a/0x730 [ 238.348592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.354143] skb_ensure_writable+0x3dd/0x640 [ 238.358566] ? skb_checksum_setup+0xaa0/0xaa0 [ 238.363066] ? check_preemption_disabled+0x48/0x280 [ 238.368089] ? __this_cpu_preempt_check+0x1c/0x20 [ 238.372936] ? __bpf_redirect+0x54b/0xb20 [ 238.377090] bpf_clone_redirect+0x14a/0x490 [ 238.381428] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 238.386449] ? __sched_text_start+0x8/0x8 [ 238.390596] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 238.395357] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 238.399956] ? retint_kernel+0x2d/0x2d [ 238.403851] ? find_held_lock+0x36/0x1c0 [ 238.407926] ? lock_acquire+0x1ed/0x520 [ 238.411900] ? bpf_test_run+0x3cb/0x780 [ 238.415879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.421416] ? check_preemption_disabled+0x48/0x280 [ 238.426438] ? kasan_check_read+0x11/0x20 [ 238.430593] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 238.435872] ? rcu_softirq_qs+0x20/0x20 [ 238.439847] ? preempt_schedule+0x4d/0x60 [ 238.444001] ? ___preempt_schedule+0x16/0x18 [ 238.448439] ? bpf_test_run+0x25d/0x780 [ 238.452439] ? netlink_diag_dump+0x2a0/0x2a0 [ 238.456843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.462382] ? bpf_test_init.isra.10+0x70/0x100 [ 238.467085] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 238.471850] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 238.476691] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 238.482229] ? fput+0x130/0x1a0 [ 238.485514] ? __bpf_prog_get+0x9b/0x290 [ 238.489590] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 238.494444] ? bpf_prog_test_run+0x130/0x1a0 [ 238.498861] ? __x64_sys_bpf+0x3d8/0x520 [ 238.502922] ? bpf_prog_get+0x20/0x20 [ 238.506743] ? do_syscall_64+0x1b9/0x820 [ 238.510807] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 238.516177] ? syscall_return_slowpath+0x5e0/0x5e0 [ 238.521114] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.526130] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 238.531148] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 238.537813] ? __switch_to_asm+0x40/0x70 [ 238.541873] ? __switch_to_asm+0x34/0x70 [ 238.545949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.550800] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 238.556187] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 238.556271] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 238.562855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.562864] Call Trace: [ 238.569439] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.578698] [ 238.581274] syz-executor5 cpuset= [ 238.591757] dump_stack+0x244/0x39d [ 238.593889] syz5 [ 238.597337] ? dump_stack_print_info.cold.1+0x20/0x20 [ 238.600966] mems_allowed=0 [ 238.602941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.616580] warn_alloc.cold.117+0xb7/0x1bd [ 238.620905] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.625755] ? lock_downgrade+0x900/0x900 [ 238.629936] ? trace_hardirqs_off+0xb8/0x310 [ 238.634351] ? trace_hardirqs_off+0xb8/0x310 [ 238.638781] __alloc_pages_slowpath+0x2660/0x2d70 [ 238.643650] ? warn_alloc+0x120/0x120 [ 238.647458] ? warn_alloc+0x120/0x120 [ 238.651277] ? print_usage_bug+0xc0/0xc0 [ 238.655344] ? warn_alloc+0x120/0x120 [ 238.659149] ? print_usage_bug+0xc0/0xc0 [ 238.663217] ? __lock_acquire+0x62f/0x4c20 [ 238.667452] ? __lock_acquire+0x62f/0x4c20 [ 238.671695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.677231] ? should_fail+0x22d/0xd01 [ 238.681133] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 238.686428] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.691531] ? __lock_acquire+0x62f/0x4c20 [ 238.695783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.700884] ? __lock_acquire+0x62f/0x4c20 [ 238.705127] ? should_fail+0x22d/0xd01 [ 238.709024] ? rcu_irq_exit+0x1a2/0x390 [ 238.713020] ? mark_held_locks+0x130/0x130 [ 238.717264] ? mark_held_locks+0x130/0x130 [ 238.721506] ? mark_held_locks+0xc7/0x130 [ 238.725661] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 238.730687] ? zap_class+0x640/0x640 [ 238.734404] ? print_usage_bug+0xc0/0xc0 [ 238.738472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.744037] ? check_preemption_disabled+0x48/0x280 [ 238.749065] ? __lock_is_held+0xb5/0x140 [ 238.753150] __alloc_pages_nodemask+0xa80/0xde0 [ 238.757832] ? zap_class+0x640/0x640 [ 238.761557] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 238.766607] ? find_held_lock+0x36/0x1c0 [ 238.770680] ? ____cache_alloc_node+0x1c7/0x1e0 [ 238.775363] ? lock_downgrade+0x900/0x900 [ 238.779532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.785078] cache_grow_begin+0xa5/0x8c0 [ 238.789136] ? do_raw_spin_unlock+0xa7/0x330 [ 238.793555] fallback_alloc+0x204/0x2e0 [ 238.797535] ____cache_alloc_node+0x1c7/0x1e0 [ 238.802054] kmem_cache_alloc_node+0xe3/0x730 [ 238.806561] ? ipv6_get_ifaddr+0x42e/0x620 [ 238.810811] __alloc_skb+0x119/0x770 [ 238.814568] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 238.819845] ? netdev_alloc_frag+0x1f0/0x1f0 [ 238.824253] ? lock_downgrade+0x900/0x900 [ 238.828410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.833949] ? refcount_sub_and_test_checked+0x203/0x310 [ 238.839413] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 238.844873] ? addrconf_rs_timer+0x690/0x690 [ 238.849292] ndisc_alloc_skb+0x144/0x340 [ 238.853371] ndisc_send_rs+0x331/0x6e0 [ 238.857265] addrconf_rs_timer+0x314/0x690 [ 238.861513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.865780] call_timer_fn+0x272/0x920 [ 238.869669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.873917] ? process_timeout+0x40/0x40 [ 238.878021] ? mark_held_locks+0xc7/0x130 [ 238.882188] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.886688] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.891183] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.895419] ? lockdep_hardirqs_on+0x296/0x5b0 [ 238.900023] ? trace_hardirqs_on+0xbd/0x310 [ 238.904347] ? kasan_check_read+0x11/0x20 [ 238.908496] ? __run_timers+0x7da/0xc70 [ 238.912472] ? trace_hardirqs_off_caller+0x310/0x310 [ 238.917596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.921834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.926069] __run_timers+0x7e5/0xc70 [ 238.929897] ? timer_fixup_init+0x70/0x70 [ 238.934051] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 238.939068] ? zap_class+0x640/0x640 [ 238.942783] ? print_usage_bug+0xc0/0xc0 [ 238.946873] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 238.952069] ? find_held_lock+0x36/0x1c0 [ 238.956137] ? zap_class+0x640/0x640 [ 238.959856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.965397] ? check_preemption_disabled+0x48/0x280 [ 238.970420] ? __lock_is_held+0xb5/0x140 [ 238.974483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.980031] ? check_preemption_disabled+0x48/0x280 [ 238.985054] run_timer_softirq+0x52/0xb0 [ 238.989117] ? rcu_read_lock_sched_held+0x14f/0x180 [ 238.994138] __do_softirq+0x308/0xb7e [ 238.997944] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 239.002437] ? lock_downgrade+0x900/0x900 [ 239.006585] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 239.011701] ? pvclock_read_flags+0x160/0x160 [ 239.016199] ? lapic_next_event+0x5a/0x90 [ 239.020362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.025904] ? kvm_clock_read+0x18/0x30 [ 239.029875] ? kvm_sched_clock_read+0x9/0x20 [ 239.034296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.039845] ? check_preemption_disabled+0x48/0x280 [ 239.044870] irq_exit+0x17f/0x1c0 [ 239.048340] smp_apic_timer_interrupt+0x1cb/0x760 [ 239.053180] ? smp_reschedule_interrupt+0x109/0x650 [ 239.058194] ? smp_call_function_single_interrupt+0x650/0x650 [ 239.064083] ? interrupt_entry+0xb5/0xc0 [ 239.068144] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.073159] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.078176] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.083026] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.088049] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.093069] ? task_prio+0x50/0x50 [ 239.096613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.102149] ? check_preemption_disabled+0x48/0x280 [ 239.107170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.112031] apic_timer_interrupt+0xf/0x20 [ 239.116278] [ 239.118518] RIP: 0010:console_unlock+0xffa/0x1160 [ 239.123375] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 239.142272] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 239.149983] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 239.157258] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 239.164531] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 239.171804] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 239.179069] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 239.186347] ? netconsole_netdev_event+0x280/0x280 [ 239.191286] ? console_unlock+0xff1/0x1160 [ 239.195554] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 239.200233] ? lock_release+0xa00/0xa00 [ 239.204215] ? interrupt_entry+0xc0/0xc0 [ 239.208309] vprintk_emit+0x33d/0x930 [ 239.212155] ? wake_up_klogd+0x180/0x180 [ 239.216219] ? attach_entity_load_avg+0x810/0x860 [ 239.221072] ? __lock_acquire+0x600/0x4c20 [ 239.225310] ? mark_held_locks+0x130/0x130 [ 239.229546] ? print_usage_bug+0xc0/0xc0 [ 239.233620] ? find_held_lock+0x36/0x1c0 [ 239.237688] ? mark_held_locks+0xc7/0x130 [ 239.241834] vprintk_default+0x28/0x30 [ 239.245734] vprintk_func+0x7e/0x181 [ 239.249451] printk+0xa7/0xcf [ 239.252576] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 239.257350] show_free_areas.cold.118+0x1f34/0x215d [ 239.262387] ? si_meminfo_node+0x260/0x260 [ 239.266628] ? __lock_acquire+0x62f/0x4c20 [ 239.270862] ? __lock_acquire+0x62f/0x4c20 [ 239.275103] ? __lock_is_held+0xb5/0x140 [ 239.279181] ? mark_held_locks+0x130/0x130 [ 239.283418] ? zap_class+0x640/0x640 [ 239.287158] ? put_dec+0x3b/0xf0 [ 239.290546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.296101] ? find_held_lock+0x36/0x1c0 [ 239.300189] ? serial8250_console_write+0x8b3/0xb10 [ 239.305205] ? lock_downgrade+0x900/0x900 [ 239.309355] ? zap_class+0x640/0x640 [ 239.313072] ? zap_class+0x640/0x640 [ 239.316793] ? print_usage_bug+0xc0/0xc0 [ 239.320851] ? do_raw_spin_unlock+0xa7/0x330 [ 239.325260] ? trace_hardirqs_on+0x310/0x310 [ 239.329666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.335214] ? find_held_lock+0x36/0x1c0 [ 239.339285] ? mark_held_locks+0xc7/0x130 [ 239.343441] ? console_unlock+0xfcd/0x1160 [ 239.347674] ? netconsole_netdev_event+0x280/0x280 [ 239.352604] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 239.357186] ? trace_hardirqs_on+0xbd/0x310 [ 239.361504] ? vprintk_emit+0x33d/0x930 [ 239.365501] ? trace_hardirqs_off_caller+0x310/0x310 [ 239.370624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.376166] ? netconsole_netdev_event+0x280/0x280 [ 239.381100] ? console_unlock+0x8d8/0x1160 [ 239.385358] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 239.390032] ? vprintk_emit+0x7f7/0x930 [ 239.394021] ? lock_release+0xa00/0xa00 [ 239.398002] ? preempt_count_add+0xbc/0x1b0 [ 239.402333] ? wake_up_klogd+0x11a/0x180 [ 239.407696] ? console_device+0xc0/0xc0 [ 239.411672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.417216] ? vprintk_emit+0x268/0x930 [ 239.421196] ? wake_up_klogd+0x180/0x180 [ 239.425259] ? trace_hardirqs_on_caller+0xc0/0x310 [ 239.430196] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.434954] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.440407] ? retint_kernel+0x1b/0x2d [ 239.444305] ? trace_hardirqs_on+0x310/0x310 [ 239.448725] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.453508] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 239.458485] ? show_mem+0x1e/0x17b [ 239.462039] show_mem+0x34/0x17b [ 239.465417] dump_header+0x2f1/0xf72 [ 239.469143] ? mark_held_locks+0x130/0x130 [ 239.473387] ? pagefault_out_of_memory+0x197/0x197 [ 239.478322] ? __lock_acquire+0x62f/0x4c20 [ 239.482570] ? zap_class+0x640/0x640 [ 239.486288] ? percpu_ref_get_many+0x240/0x240 [ 239.490886] ? print_usage_bug+0xc0/0xc0 [ 239.494948] ? print_usage_bug+0xc0/0xc0 [ 239.499024] ? zap_class+0x640/0x640 [ 239.502748] ? print_usage_bug+0xc0/0xc0 [ 239.506808] ? print_usage_bug+0xc0/0xc0 [ 239.510878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.516421] ? find_held_lock+0x36/0x1c0 [ 239.520526] ? mark_held_locks+0xc7/0x130 [ 239.524684] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 239.529786] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 239.534893] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 239.539479] ? trace_hardirqs_on+0xbd/0x310 [ 239.543804] ? kasan_check_read+0x11/0x20 [ 239.547950] ? ___ratelimit+0x3b4/0x672 [ 239.551927] ? trace_hardirqs_off_caller+0x310/0x310 [ 239.557038] ? trace_hardirqs_on+0x310/0x310 [ 239.561464] ? lock_downgrade+0x900/0x900 [ 239.566090] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 239.571212] ? ___ratelimit+0x3b9/0x672 [ 239.575199] ? idr_get_free+0xec0/0xec0 [ 239.579178] ? kasan_check_read+0x11/0x20 [ 239.583327] ? do_raw_spin_unlock+0xa7/0x330 [ 239.587746] oom_kill_process.cold.27+0x10/0x903 [ 239.592508] ? zap_class+0x640/0x640 [ 239.596230] ? _raw_spin_unlock+0x2c/0x50 [ 239.600381] ? oom_badness+0xe6/0xaa0 [ 239.604192] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 239.609122] ? kasan_check_read+0x11/0x20 [ 239.613287] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 239.618567] ? oom_evaluate_task+0x540/0x540 [ 239.622993] ? find_held_lock+0x36/0x1c0 [ 239.627083] ? out_of_memory+0x974/0x1430 [ 239.631233] ? lock_downgrade+0x900/0x900 [ 239.635384] ? check_preemption_disabled+0x48/0x280 [ 239.640407] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 239.645337] ? kasan_check_read+0x11/0x20 [ 239.649487] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 239.654770] ? rcu_softirq_qs+0x20/0x20 [ 239.658758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.664303] ? oom_evaluate_task+0x302/0x540 [ 239.668728] out_of_memory+0xa84/0x1430 [ 239.672714] ? oom_killer_disable+0x3a0/0x3a0 [ 239.677215] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 239.682149] ? __mutex_add_waiter+0x2a0/0x2a0 [ 239.686657] __alloc_pages_slowpath+0x22d4/0x2d70 [ 239.691550] ? warn_alloc+0x120/0x120 [ 239.695356] ? rcu_softirq_qs+0x20/0x20 [ 239.699372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.704911] ? should_fail+0x22d/0xd01 [ 239.708806] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.713916] ? zap_class+0x640/0x640 [ 239.717655] ? __lock_is_held+0xb5/0x140 [ 239.721723] ? mark_held_locks+0x130/0x130 [ 239.725963] ? lock_release+0xa00/0xa00 [ 239.729943] ? perf_trace_sched_process_exec+0x860/0x860 [ 239.735411] ? __might_sleep+0x95/0x190 [ 239.739388] __alloc_pages_nodemask+0xa80/0xde0 [ 239.744065] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 239.749101] ? __page_cache_alloc+0x191/0x5c0 [ 239.753596] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 239.758528] ? kasan_check_read+0x11/0x20 [ 239.762682] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 239.767975] ? zap_class+0x640/0x640 [ 239.771694] ? zap_class+0x640/0x640 [ 239.775407] ? zap_class+0x640/0x640 [ 239.779122] ? __do_page_cache_readahead+0x7ce/0x980 [ 239.784230] ? find_held_lock+0x36/0x1c0 [ 239.788295] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 239.793856] alloc_pages_current+0x173/0x350 [ 239.798270] __page_cache_alloc+0x38c/0x5c0 [ 239.802595] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 239.807537] ? kasan_check_read+0x11/0x20 [ 239.811692] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 239.816975] ? generic_perform_write+0x6a0/0x6a0 [ 239.821728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.827269] ? check_preemption_disabled+0x48/0x280 [ 239.832293] filemap_fault+0x1594/0x25f0 [ 239.836371] ? __lock_page_or_retry+0xa00/0xa00 [ 239.841048] ? mark_held_locks+0x130/0x130 [ 239.845285] ? rcu_softirq_qs+0x20/0x20 [ 239.849268] ? filemap_map_pages+0xe04/0x1990 [ 239.853784] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 239.858735] ? futex_wait_setup+0x15c/0x3e0 [ 239.863059] ? zap_class+0x640/0x640 [ 239.866785] ? lock_acquire+0x1ed/0x520 [ 239.870764] ? alloc_set_pte+0x1447/0x1f40 [ 239.875023] ? lock_acquire+0x1ed/0x520 [ 239.879000] ? ext4_filemap_fault+0x7a/0xad [ 239.883340] ? lock_release+0xa00/0xa00 [ 239.887312] ? perf_trace_sched_process_exec+0x860/0x860 [ 239.892763] ? print_usage_bug+0xc0/0xc0 [ 239.896837] ? print_usage_bug+0xc0/0xc0 [ 239.900957] ? down_read+0x8d/0x120 [ 239.904581] ? ext4_filemap_fault+0x7a/0xad [ 239.908898] ? __down_interruptible+0x700/0x700 [ 239.913590] ext4_filemap_fault+0x82/0xad [ 239.917736] __do_fault+0x100/0x6b0 [ 239.921366] ? unlock_page+0x2c2/0x4c0 [ 239.925260] ? pmd_devmap_trans_unstable+0x220/0x220 [ 239.930380] ? mark_held_locks+0x130/0x130 [ 239.934640] ? mark_held_locks+0x130/0x130 [ 239.938879] ? do_raw_spin_trylock+0x270/0x270 [ 239.943475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.949027] __handle_mm_fault+0x307c/0x5920 [ 239.953455] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 239.958304] ? kasan_check_read+0x11/0x20 [ 239.962455] ? _copy_to_user+0xc8/0x110 [ 239.966436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.971980] ? zap_class+0x640/0x640 [ 239.975700] ? zap_class+0x640/0x640 [ 239.979420] ? find_held_lock+0x36/0x1c0 [ 239.983491] ? handle_mm_fault+0x42a/0xc70 [ 239.987726] ? lock_downgrade+0x900/0x900 [ 239.991872] ? check_preemption_disabled+0x48/0x280 [ 239.996896] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 240.001828] ? kasan_check_read+0x11/0x20 [ 240.005981] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 240.011269] ? rcu_softirq_qs+0x20/0x20 [ 240.015249] ? trace_hardirqs_off_caller+0x310/0x310 [ 240.020366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.025916] ? check_preemption_disabled+0x48/0x280 [ 240.030937] handle_mm_fault+0x54f/0xc70 [ 240.035001] ? __handle_mm_fault+0x5920/0x5920 [ 240.039601] ? find_vma+0x34/0x190 [ 240.043151] __do_page_fault+0x5e8/0xe60 [ 240.047212] ? trace_hardirqs_off+0xb8/0x310 [ 240.051636] ? __ia32_sys_read+0xb0/0xb0 [ 240.055708] do_page_fault+0xf2/0x7e0 [ 240.059515] ? vmalloc_sync_all+0x30/0x30 [ 240.063672] ? error_entry+0x70/0xd0 [ 240.067387] ? trace_hardirqs_off_caller+0xbb/0x310 [ 240.072403] ? trace_hardirqs_on_caller+0xc0/0x310 [ 240.077337] ? syscall_return_slowpath+0x5e0/0x5e0 [ 240.082266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.087116] ? trace_hardirqs_on_caller+0x310/0x310 [ 240.092138] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.097597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.103147] ? prepare_exit_to_usermode+0x291/0x3b0 [ 240.108167] ? page_fault+0x8/0x30 [ 240.111724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.116590] ? page_fault+0x8/0x30 [ 240.120143] page_fault+0x1e/0x30 [ 240.123593] RIP: 0033:0x4727a0 [ 240.126814] Code: Bad RIP value. [ 240.130174] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 240.135538] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 240.142811] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 240.150079] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 240.157346] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 240.164624] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 240.171912] warn_alloc_show_mem: 1 callbacks suppressed [ 240.171924] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 240.171926] Mem-Info: [ 240.171957] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 240.171957] active_file:12 inactive_file:13 isolated_file:0 [ 240.171957] unevictable:0 dirty:0 writeback:0 unstable:0 [ 240.171957] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 240.171957] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 240.171957] free:13771 free_pcp:124 free_cma:0 [ 240.177306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.184255] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 240.186665] Call Trace: [ 240.219537] Node 0 [ 240.228930] [ 240.256354] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 240.258919] dump_stack+0x244/0x39d [ 240.261127] lowmem_reserve[]: [ 240.263279] ? dump_stack_print_info.cold.1+0x20/0x20 [ 240.288751] 0 2818 [ 240.292394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.295471] 6321 [ 240.300662] warn_alloc.cold.117+0xb7/0x1bd [ 240.302873] 6321 [ 240.308405] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.314764] ? lock_downgrade+0x900/0x900 [ 240.316806] Node 0 [ 240.321649] ? trace_hardirqs_off+0xb8/0x310 [ 240.325795] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 240.328008] ? trace_hardirqs_off+0xb8/0x310 [ 240.332420] lowmem_reserve[]: [ 240.359400] __alloc_pages_slowpath+0x2660/0x2d70 [ 240.363777] 0 0 [ 240.366917] ? warn_alloc+0x120/0x120 [ 240.371721] 3503 3503 [ 240.373711] ? warn_alloc+0x120/0x120 [ 240.379984] ? print_usage_bug+0xc0/0xc0 [ 240.383769] Node 0 [ 240.387835] ? warn_alloc+0x120/0x120 [ 240.387867] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 240.387874] lowmem_reserve[]: [ 240.390110] ? print_usage_bug+0xc0/0xc0 [ 240.393882] 0 0 [ 240.421998] ? __lock_acquire+0x62f/0x4c20 [ 240.425088] 0 [ 240.429141] ? __lock_acquire+0x62f/0x4c20 [ 240.431106] 0 [ 240.435341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.441367] ? should_fail+0x22d/0xd01 [ 240.443162] Node 0 [ 240.448697] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 240.452554] DMA: 1*4kB [ 240.454795] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.460044] (U) 0*8kB [ 240.462633] ? __lock_acquire+0x62f/0x4c20 [ 240.467710] 0*16kB 1*32kB [ 240.470217] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.474427] (U) [ 240.477271] ? __lock_acquire+0x62f/0x4c20 [ 240.482344] 2*64kB (U) [ 240.484328] ? should_fail+0x22d/0xd01 [ 240.488556] 1*128kB (U) [ 240.491150] ? rcu_irq_exit+0x1a2/0x390 [ 240.495040] 1*256kB [ 240.497719] ? mark_held_locks+0x130/0x130 [ 240.501664] (U) [ 240.503985] ? mark_held_locks+0x130/0x130 [ 240.508211] 0*512kB [ 240.510205] ? mark_held_locks+0xc7/0x130 [ 240.514420] 1*1024kB [ 240.516743] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 240.520870] (U) [ 240.523278] ? zap_class+0x640/0x640 [ 240.528269] 1*2048kB (M) [ 240.530253] ? print_usage_bug+0xc0/0xc0 [ 240.533951] 3*4096kB (M) [ 240.536717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.540754] = 15908kB [ 240.543505] ? check_preemption_disabled+0x48/0x280 [ 240.549026] Node 0 [ 240.551444] ? __lock_is_held+0xb5/0x140 [ 240.556427] DMA32: 4*4kB [ 240.558677] __alloc_pages_nodemask+0xa80/0xde0 [ 240.562717] (M) 0*8kB [ 240.565485] ? zap_class+0x640/0x640 [ 240.570135] 2*16kB [ 240.572631] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 240.576323] (M) [ 240.578561] ? find_held_lock+0x36/0x1c0 [ 240.583560] 2*32kB [ 240.585542] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.589583] (UM) [ 240.591820] ? lock_downgrade+0x900/0x900 [ 240.596462] 4*64kB (UM) [ 240.598543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.602670] 4*128kB [ 240.605341] cache_grow_begin+0xa5/0x8c0 [ 240.610846] (M) 3*256kB [ 240.613175] ? do_raw_spin_unlock+0xa7/0x330 [ 240.617214] (M) [ 240.619885] fallback_alloc+0x204/0x2e0 [ 240.624272] 4*512kB [ 240.626247] ____cache_alloc_node+0x1c7/0x1e0 [ 240.630196] (UM) [ 240.632519] kmem_cache_alloc_node+0xe3/0x730 [ 240.636990] 3*1024kB (UM) [ 240.639076] ? ipv6_get_ifaddr+0x42e/0x620 [ 240.643549] 3*2048kB [ 240.646419] __alloc_skb+0x119/0x770 [ 240.650625] (UM) [ 240.653056] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 240.656741] 3*4096kB [ 240.658802] ? netdev_alloc_frag+0x1f0/0x1f0 [ 240.664056] (M) [ 240.666464] ? lock_downgrade+0x900/0x900 [ 240.670847] = 25200kB [ 240.672822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.676941] Node 0 [ 240.679350] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.684858] Normal: [ 240.687094] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.692520] 786*4kB [ 240.694844] ? addrconf_rs_timer+0x690/0x690 [ 240.700269] (MEH) [ 240.702596] ndisc_alloc_skb+0x144/0x340 [ 240.706975] 440*8kB [ 240.709120] ndisc_send_rs+0x331/0x6e0 [ 240.713155] (UMEH) [ 240.715480] addrconf_rs_timer+0x314/0x690 [ 240.719345] 141*16kB [ 240.721577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.725788] (MEH) [ 240.728206] call_timer_fn+0x272/0x920 [ 240.732408] 54*32kB [ 240.734553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.734571] ? process_timeout+0x40/0x40 [ 240.738444] (MEH) [ 240.740769] ? __run_timers+0x7da/0xc70 [ 240.744970] 14*64kB (UME) [ 240.749056] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.751176] 1*128kB [ 240.755157] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.757999] (H) [ 240.762508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.764804] 1*256kB (H) [ 240.769332] ? lockdep_hardirqs_on+0x296/0x5b0 [ 240.771286] 2*512kB [ 240.775517] ? trace_hardirqs_on+0xbd/0x310 [ 240.778179] (H) [ 240.782771] ? kasan_check_read+0x11/0x20 [ 240.785078] 1*1024kB [ 240.789396] ? __run_timers+0x7da/0xc70 [ 240.791354] (U) [ 240.795497] ? trace_hardirqs_off_caller+0x310/0x310 [ 240.797884] 0*2048kB [ 240.801857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.803815] 0*4096kB [ 240.808911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.811324] = 13976kB [ 240.815565] __run_timers+0x7e5/0xc70 [ 240.817957] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 240.822189] ? timer_fixup_init+0x70/0x70 [ 240.824577] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 240.828368] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.837181] 163 total pagecache pages [ 240.841326] ? zap_class+0x640/0x640 [ 240.849887] 0 pages in swap cache [ 240.854893] ? enqueue_hrtimer+0x1a5/0x560 [ 240.858678] Swap cache stats: add 0, delete 0, find 0/0 [ 240.862383] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 240.865840] Free swap = 0kB [ 240.870088] ? find_held_lock+0x36/0x1c0 [ 240.875429] Total swap = 0kB [ 240.880612] ? zap_class+0x640/0x640 [ 240.883620] 1965979 pages RAM [ 240.887681] ? pvclock_read_flags+0x160/0x160 [ 240.890674] 0 pages HighMem/MovableOnly [ 240.894387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.897472] 342867 pages reserved [ 240.901973] ? check_preemption_disabled+0x48/0x280 [ 240.905934] 0 pages cma reserved [ 240.919108] ? __lock_is_held+0xb5/0x140 [ 240.922628] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 240.927540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.927553] ? check_preemption_disabled+0x48/0x280 [ 240.927571] run_timer_softirq+0x52/0xb0 [ 240.927589] ? rcu_read_lock_sched_held+0x14f/0x180 [ 240.930999] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.934991] __do_softirq+0x308/0xb7e [ 240.941459] syz-fuzzer cpuset= [ 240.946992] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 240.951989] / [ 240.956057] ? lock_downgrade+0x900/0x900 [ 240.961049] mems_allowed=0 [ 240.991459] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 240.996585] ? pvclock_read_flags+0x160/0x160 [ 241.001088] ? lapic_next_event+0x5a/0x90 [ 241.005240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.010788] ? kvm_clock_read+0x18/0x30 [ 241.014761] ? kvm_sched_clock_read+0x9/0x20 [ 241.019172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.024708] ? check_preemption_disabled+0x48/0x280 [ 241.029775] irq_exit+0x17f/0x1c0 [ 241.033229] smp_apic_timer_interrupt+0x1cb/0x760 [ 241.038073] ? smp_reschedule_interrupt+0x109/0x650 [ 241.043094] ? smp_call_function_single_interrupt+0x650/0x650 [ 241.048984] ? interrupt_entry+0xb5/0xc0 [ 241.053060] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.058073] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.063090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.067933] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.072944] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.077962] ? task_prio+0x50/0x50 [ 241.081501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.087056] ? check_preemption_disabled+0x48/0x280 [ 241.092096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.096947] apic_timer_interrupt+0xf/0x20 [ 241.101172] [ 241.103424] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 241.109312] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 241.128211] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 241.135918] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 241.143186] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 241.150464] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 241.157730] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 241.165007] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 241.172338] ? save_stack+0xa9/0xd0 [ 241.175976] __kmalloc_node_track_caller+0x33/0x70 [ 241.180911] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 241.185672] pskb_expand_head+0x230/0x10f0 [ 241.189914] ? memcpy+0x45/0x50 [ 241.193197] ? __copy_skb_header+0x350/0x6b0 [ 241.197621] ? skb_release_data+0x880/0x880 [ 241.201955] ? __alloc_skb+0x770/0x770 [ 241.205856] ? __lock_is_held+0xb5/0x140 [ 241.209928] ? kasan_check_write+0x14/0x20 [ 241.214164] ? __skb_clone+0x6c7/0xa00 [ 241.218065] ? __copy_skb_header+0x6b0/0x6b0 [ 241.222474] ? kmem_cache_alloc+0x33a/0x730 [ 241.226794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.232335] skb_ensure_writable+0x3dd/0x640 [ 241.236747] ? skb_checksum_setup+0xaa0/0xaa0 [ 241.241239] ? check_preemption_disabled+0x48/0x280 [ 241.246260] ? __this_cpu_preempt_check+0x1c/0x20 [ 241.251106] ? __bpf_redirect+0x54b/0xb20 [ 241.255264] bpf_clone_redirect+0x14a/0x490 [ 241.259594] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 241.264612] ? __sched_text_start+0x8/0x8 [ 241.268760] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 241.273518] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 241.278113] ? retint_kernel+0x2d/0x2d [ 241.282003] ? find_held_lock+0x36/0x1c0 [ 241.286091] ? lock_acquire+0x1ed/0x520 [ 241.290079] ? bpf_test_run+0x3cb/0x780 [ 241.294060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.299598] ? check_preemption_disabled+0x48/0x280 [ 241.304620] ? kasan_check_read+0x11/0x20 [ 241.308773] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 241.314064] ? rcu_softirq_qs+0x20/0x20 [ 241.318050] ? preempt_schedule+0x4d/0x60 [ 241.322198] ? ___preempt_schedule+0x16/0x18 [ 241.326610] ? bpf_test_run+0x25d/0x780 [ 241.330593] ? netlink_diag_dump+0x2a0/0x2a0 [ 241.335023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.340578] ? bpf_test_init.isra.10+0x70/0x100 [ 241.345266] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 241.350054] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 241.354896] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 241.360450] ? fput+0x130/0x1a0 [ 241.363731] ? __bpf_prog_get+0x9b/0x290 [ 241.367793] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 241.372632] ? bpf_prog_test_run+0x130/0x1a0 [ 241.377059] ? __x64_sys_bpf+0x3d8/0x520 [ 241.381132] ? bpf_prog_get+0x20/0x20 [ 241.384951] ? do_syscall_64+0x1b9/0x820 [ 241.389025] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 241.394396] ? syscall_return_slowpath+0x5e0/0x5e0 [ 241.399334] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.404354] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 241.409379] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 241.416080] ? __switch_to_asm+0x40/0x70 [ 241.420144] ? __switch_to_asm+0x34/0x70 [ 241.424216] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.429077] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.434474] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 241.434571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.441152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.441162] Call Trace: [ 241.447741] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.457170] [ 241.459745] syz-executor5 cpuset= [ 241.470232] dump_stack+0x244/0x39d [ 241.472362] syz5 [ 241.475815] ? dump_stack_print_info.cold.1+0x20/0x20 [ 241.479432] mems_allowed=0 [ 241.481416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.495062] warn_alloc.cold.117+0xb7/0x1bd [ 241.499405] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.504253] ? lock_downgrade+0x900/0x900 [ 241.508410] ? trace_hardirqs_off+0xb8/0x310 [ 241.512827] ? trace_hardirqs_off+0xb8/0x310 [ 241.517244] __alloc_pages_slowpath+0x2660/0x2d70 [ 241.522139] ? warn_alloc+0x120/0x120 [ 241.525949] ? warn_alloc+0x120/0x120 [ 241.529755] ? print_usage_bug+0xc0/0xc0 [ 241.533818] ? warn_alloc+0x120/0x120 [ 241.537627] ? print_usage_bug+0xc0/0xc0 [ 241.541690] ? __lock_acquire+0x62f/0x4c20 [ 241.545923] ? __lock_acquire+0x62f/0x4c20 [ 241.550161] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.555698] ? should_fail+0x22d/0xd01 [ 241.559591] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.565174] ? __lock_acquire+0x62f/0x4c20 [ 241.569416] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.574518] ? __lock_acquire+0x62f/0x4c20 [ 241.578781] ? should_fail+0x22d/0xd01 [ 241.582673] ? find_held_lock+0x36/0x1c0 [ 241.586744] ? mark_held_locks+0x130/0x130 [ 241.591019] ? mark_held_locks+0x130/0x130 [ 241.595255] ? zap_class+0x640/0x640 [ 241.598971] ? zap_class+0x640/0x640 [ 241.602699] ? print_usage_bug+0xc0/0xc0 [ 241.606757] ? do_raw_spin_unlock+0xa7/0x330 [ 241.611163] ? zap_class+0x640/0x640 [ 241.614881] ? print_usage_bug+0xc0/0xc0 [ 241.618946] ? wq_watchdog_touch+0x9c/0xfe [ 241.623182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.628722] ? check_preemption_disabled+0x48/0x280 [ 241.633746] ? __lock_is_held+0xb5/0x140 [ 241.637813] __alloc_pages_nodemask+0xa80/0xde0 [ 241.642480] ? zap_class+0x640/0x640 [ 241.646212] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 241.651240] ? find_held_lock+0x36/0x1c0 [ 241.655314] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.659984] ? lock_downgrade+0x900/0x900 [ 241.664152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.669696] cache_grow_begin+0xa5/0x8c0 [ 241.673757] ? do_raw_spin_unlock+0xa7/0x330 [ 241.678194] fallback_alloc+0x204/0x2e0 [ 241.682177] ____cache_alloc_node+0x1c7/0x1e0 [ 241.686678] kmem_cache_alloc_node+0xe3/0x730 [ 241.691177] ? ipv6_get_ifaddr+0x42e/0x620 [ 241.695426] __alloc_skb+0x119/0x770 [ 241.699152] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 241.704438] ? netdev_alloc_frag+0x1f0/0x1f0 [ 241.708845] ? lock_downgrade+0x900/0x900 [ 241.713019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.718563] ? refcount_sub_and_test_checked+0x203/0x310 [ 241.724029] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 241.729484] ? addrconf_rs_timer+0x690/0x690 [ 241.733907] ndisc_alloc_skb+0x144/0x340 [ 241.737973] ndisc_send_rs+0x331/0x6e0 [ 241.741866] addrconf_rs_timer+0x314/0x690 [ 241.746105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.750356] call_timer_fn+0x272/0x920 [ 241.754248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.758488] ? process_timeout+0x40/0x40 [ 241.762578] ? mark_held_locks+0xc7/0x130 [ 241.766730] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.771246] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.775743] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.779980] ? lockdep_hardirqs_on+0x296/0x5b0 [ 241.784578] ? trace_hardirqs_on+0xbd/0x310 [ 241.788904] ? kasan_check_read+0x11/0x20 [ 241.793066] ? __run_timers+0x7da/0xc70 [ 241.797054] ? trace_hardirqs_off_caller+0x310/0x310 [ 241.802162] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.806406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.810639] __run_timers+0x7e5/0xc70 [ 241.814455] ? timer_fixup_init+0x70/0x70 [ 241.818600] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 241.823628] ? zap_class+0x640/0x640 [ 241.827354] ? print_usage_bug+0xc0/0xc0 [ 241.831416] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 241.836616] ? find_held_lock+0x36/0x1c0 [ 241.840680] ? zap_class+0x640/0x640 [ 241.844400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.849936] ? check_preemption_disabled+0x48/0x280 [ 241.854956] ? __lock_is_held+0xb5/0x140 [ 241.859023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.864563] ? check_preemption_disabled+0x48/0x280 [ 241.869578] run_timer_softirq+0x52/0xb0 [ 241.873663] ? rcu_read_lock_sched_held+0x14f/0x180 [ 241.878681] __do_softirq+0x308/0xb7e [ 241.882486] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 241.886978] ? lock_downgrade+0x900/0x900 [ 241.891127] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 241.896266] ? pvclock_read_flags+0x160/0x160 [ 241.900765] ? lapic_next_event+0x5a/0x90 [ 241.904916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.910467] ? kvm_clock_read+0x18/0x30 [ 241.914445] ? kvm_sched_clock_read+0x9/0x20 [ 241.918870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.924409] ? check_preemption_disabled+0x48/0x280 [ 241.929436] irq_exit+0x17f/0x1c0 [ 241.932892] smp_apic_timer_interrupt+0x1cb/0x760 [ 241.937734] ? smp_reschedule_interrupt+0x109/0x650 [ 241.942761] ? smp_call_function_single_interrupt+0x650/0x650 [ 241.948680] ? interrupt_entry+0xb5/0xc0 [ 241.952740] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.957758] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.962795] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.967651] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.972681] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.977697] ? task_prio+0x50/0x50 [ 241.981239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.986780] ? check_preemption_disabled+0x48/0x280 [ 241.991805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.996655] apic_timer_interrupt+0xf/0x20 [ 242.000879] [ 242.003124] RIP: 0010:console_unlock+0xffa/0x1160 [ 242.007968] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 242.026867] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 242.034581] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 242.041849] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 242.049113] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 242.056380] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 242.063648] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 242.070933] ? netconsole_netdev_event+0x280/0x280 [ 242.075873] ? console_unlock+0xff1/0x1160 [ 242.080134] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 242.084810] ? lock_release+0xa00/0xa00 [ 242.088788] ? interrupt_entry+0xc0/0xc0 [ 242.092868] vprintk_emit+0x33d/0x930 [ 242.096675] ? wake_up_klogd+0x180/0x180 [ 242.100738] ? attach_entity_load_avg+0x810/0x860 [ 242.105584] ? __lock_acquire+0x600/0x4c20 [ 242.109824] ? mark_held_locks+0x130/0x130 [ 242.114071] ? print_usage_bug+0xc0/0xc0 [ 242.118151] ? find_held_lock+0x36/0x1c0 [ 242.122240] ? mark_held_locks+0xc7/0x130 [ 242.126417] vprintk_default+0x28/0x30 [ 242.130329] vprintk_func+0x7e/0x181 [ 242.134056] printk+0xa7/0xcf [ 242.137167] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 242.141940] show_free_areas.cold.118+0x1f34/0x215d [ 242.146980] ? si_meminfo_node+0x260/0x260 [ 242.151231] ? __lock_acquire+0x62f/0x4c20 [ 242.155467] ? __lock_acquire+0x62f/0x4c20 [ 242.159712] ? __lock_is_held+0xb5/0x140 [ 242.163803] ? mark_held_locks+0x130/0x130 [ 242.168050] ? zap_class+0x640/0x640 [ 242.171788] ? put_dec+0x3b/0xf0 [ 242.175157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.180727] ? find_held_lock+0x36/0x1c0 [ 242.184806] ? serial8250_console_write+0x8b3/0xb10 [ 242.189840] ? lock_downgrade+0x900/0x900 [ 242.194003] ? zap_class+0x640/0x640 [ 242.197755] ? zap_class+0x640/0x640 [ 242.201469] ? print_usage_bug+0xc0/0xc0 [ 242.205525] ? do_raw_spin_unlock+0xa7/0x330 [ 242.209952] ? trace_hardirqs_on+0x310/0x310 [ 242.214363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.219914] ? find_held_lock+0x36/0x1c0 [ 242.223984] ? mark_held_locks+0xc7/0x130 [ 242.228149] ? console_unlock+0xfcd/0x1160 [ 242.232397] ? netconsole_netdev_event+0x280/0x280 [ 242.237327] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 242.241910] ? trace_hardirqs_on+0xbd/0x310 [ 242.246231] ? vprintk_emit+0x33d/0x930 [ 242.250218] ? trace_hardirqs_off_caller+0x310/0x310 [ 242.255357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.260920] ? netconsole_netdev_event+0x280/0x280 [ 242.265861] ? console_unlock+0x8d8/0x1160 [ 242.270108] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 242.274775] ? vprintk_emit+0x7f7/0x930 [ 242.278750] ? lock_release+0xa00/0xa00 [ 242.282728] ? preempt_count_add+0xbc/0x1b0 [ 242.287052] ? wake_up_klogd+0x11a/0x180 [ 242.291114] ? console_device+0xc0/0xc0 [ 242.295106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.300666] ? vprintk_emit+0x268/0x930 [ 242.304644] ? wake_up_klogd+0x180/0x180 [ 242.308719] ? trace_hardirqs_on_caller+0xc0/0x310 [ 242.313652] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.318428] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.323879] ? retint_kernel+0x1b/0x2d [ 242.327766] ? trace_hardirqs_on+0x310/0x310 [ 242.332187] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.336972] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 242.341732] ? show_mem+0x1e/0x17b [ 242.345278] show_mem+0x34/0x17b [ 242.348649] dump_header+0x2f1/0xf72 [ 242.352374] ? mark_held_locks+0x130/0x130 [ 242.356615] ? pagefault_out_of_memory+0x197/0x197 [ 242.361569] ? __lock_acquire+0x62f/0x4c20 [ 242.365814] ? zap_class+0x640/0x640 [ 242.369535] ? percpu_ref_get_many+0x240/0x240 [ 242.374122] ? print_usage_bug+0xc0/0xc0 [ 242.378182] ? print_usage_bug+0xc0/0xc0 [ 242.382247] ? zap_class+0x640/0x640 [ 242.385965] ? print_usage_bug+0xc0/0xc0 [ 242.390037] ? print_usage_bug+0xc0/0xc0 [ 242.394111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.399655] ? find_held_lock+0x36/0x1c0 [ 242.403730] ? mark_held_locks+0xc7/0x130 [ 242.407882] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 242.412982] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 242.418089] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 242.422689] ? trace_hardirqs_on+0xbd/0x310 [ 242.427026] ? kasan_check_read+0x11/0x20 [ 242.431172] ? ___ratelimit+0x3b4/0x672 [ 242.435145] ? trace_hardirqs_off_caller+0x310/0x310 [ 242.440253] ? trace_hardirqs_on+0x310/0x310 [ 242.444662] ? lock_downgrade+0x900/0x900 [ 242.448813] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 242.453913] ? ___ratelimit+0x3b9/0x672 [ 242.457886] ? idr_get_free+0xec0/0xec0 [ 242.461857] ? kasan_check_read+0x11/0x20 [ 242.466005] ? do_raw_spin_unlock+0xa7/0x330 [ 242.470436] oom_kill_process.cold.27+0x10/0x903 [ 242.475190] ? zap_class+0x640/0x640 [ 242.478907] ? _raw_spin_unlock+0x2c/0x50 [ 242.483053] ? oom_badness+0xe6/0xaa0 [ 242.486861] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 242.491787] ? kasan_check_read+0x11/0x20 [ 242.495941] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 242.501234] ? oom_evaluate_task+0x540/0x540 [ 242.505657] ? find_held_lock+0x36/0x1c0 [ 242.509729] ? out_of_memory+0x974/0x1430 [ 242.513879] ? lock_downgrade+0x900/0x900 [ 242.518046] ? check_preemption_disabled+0x48/0x280 [ 242.523080] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 242.528007] ? kasan_check_read+0x11/0x20 [ 242.532166] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 242.537445] ? rcu_softirq_qs+0x20/0x20 [ 242.541436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.546970] ? oom_evaluate_task+0x302/0x540 [ 242.551385] out_of_memory+0xa84/0x1430 [ 242.555386] ? oom_killer_disable+0x3a0/0x3a0 [ 242.559885] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 242.564813] ? __mutex_add_waiter+0x2a0/0x2a0 [ 242.569337] __alloc_pages_slowpath+0x22d4/0x2d70 [ 242.574212] ? warn_alloc+0x120/0x120 [ 242.578011] ? rcu_softirq_qs+0x20/0x20 [ 242.582031] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.587576] ? should_fail+0x22d/0xd01 [ 242.591470] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.596576] ? zap_class+0x640/0x640 [ 242.600319] ? __lock_is_held+0xb5/0x140 [ 242.604393] ? mark_held_locks+0x130/0x130 [ 242.608641] ? lock_release+0xa00/0xa00 [ 242.612615] ? perf_trace_sched_process_exec+0x860/0x860 [ 242.618073] ? __might_sleep+0x95/0x190 [ 242.622056] __alloc_pages_nodemask+0xa80/0xde0 [ 242.626737] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 242.631753] ? __page_cache_alloc+0x191/0x5c0 [ 242.636272] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 242.641199] ? kasan_check_read+0x11/0x20 [ 242.645349] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 242.650630] ? zap_class+0x640/0x640 [ 242.654349] ? zap_class+0x640/0x640 [ 242.658079] ? zap_class+0x640/0x640 [ 242.661793] ? __do_page_cache_readahead+0x7ce/0x980 [ 242.666901] ? find_held_lock+0x36/0x1c0 [ 242.670967] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 242.676511] alloc_pages_current+0x173/0x350 [ 242.680931] __page_cache_alloc+0x38c/0x5c0 [ 242.685266] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 242.690195] ? kasan_check_read+0x11/0x20 [ 242.694344] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 242.699630] ? generic_perform_write+0x6a0/0x6a0 [ 242.704392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.709927] ? check_preemption_disabled+0x48/0x280 [ 242.714953] filemap_fault+0x1594/0x25f0 [ 242.719035] ? __lock_page_or_retry+0xa00/0xa00 [ 242.723712] ? mark_held_locks+0x130/0x130 [ 242.727949] ? rcu_softirq_qs+0x20/0x20 [ 242.731931] ? filemap_map_pages+0xe04/0x1990 [ 242.736445] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 242.741394] ? futex_wait_setup+0x15c/0x3e0 [ 242.745718] ? zap_class+0x640/0x640 [ 242.749457] ? lock_acquire+0x1ed/0x520 [ 242.753457] ? alloc_set_pte+0x1447/0x1f40 [ 242.757716] ? lock_acquire+0x1ed/0x520 [ 242.761694] ? ext4_filemap_fault+0x7a/0xad [ 242.766011] ? lock_release+0xa00/0xa00 [ 242.769996] ? perf_trace_sched_process_exec+0x860/0x860 [ 242.775458] ? print_usage_bug+0xc0/0xc0 [ 242.779522] ? print_usage_bug+0xc0/0xc0 [ 242.783605] ? down_read+0x8d/0x120 [ 242.787236] ? ext4_filemap_fault+0x7a/0xad [ 242.791571] ? __down_interruptible+0x700/0x700 [ 242.796254] ext4_filemap_fault+0x82/0xad [ 242.800420] __do_fault+0x100/0x6b0 [ 242.804053] ? unlock_page+0x2c2/0x4c0 [ 242.807955] ? pmd_devmap_trans_unstable+0x220/0x220 [ 242.813064] ? mark_held_locks+0x130/0x130 [ 242.817302] ? mark_held_locks+0x130/0x130 [ 242.821535] ? do_raw_spin_trylock+0x270/0x270 [ 242.826130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.831671] __handle_mm_fault+0x307c/0x5920 [ 242.836088] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 242.840934] ? kasan_check_read+0x11/0x20 [ 242.845084] ? _copy_to_user+0xc8/0x110 [ 242.849075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.854622] ? zap_class+0x640/0x640 [ 242.858332] ? zap_class+0x640/0x640 [ 242.862056] ? find_held_lock+0x36/0x1c0 [ 242.866130] ? handle_mm_fault+0x42a/0xc70 [ 242.870367] ? lock_downgrade+0x900/0x900 [ 242.874517] ? check_preemption_disabled+0x48/0x280 [ 242.879563] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 242.884521] ? kasan_check_read+0x11/0x20 [ 242.888690] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 242.893985] ? rcu_softirq_qs+0x20/0x20 [ 242.897982] ? trace_hardirqs_off_caller+0x310/0x310 [ 242.903095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.908633] ? check_preemption_disabled+0x48/0x280 [ 242.913657] handle_mm_fault+0x54f/0xc70 [ 242.917721] ? __handle_mm_fault+0x5920/0x5920 [ 242.922321] ? find_vma+0x34/0x190 [ 242.925867] __do_page_fault+0x5e8/0xe60 [ 242.929930] ? trace_hardirqs_off+0xb8/0x310 [ 242.934338] ? __ia32_sys_read+0xb0/0xb0 [ 242.938408] do_page_fault+0xf2/0x7e0 [ 242.942211] ? vmalloc_sync_all+0x30/0x30 [ 242.946366] ? error_entry+0x70/0xd0 [ 242.950098] ? trace_hardirqs_off_caller+0xbb/0x310 [ 242.955118] ? trace_hardirqs_on_caller+0xc0/0x310 [ 242.960055] ? syscall_return_slowpath+0x5e0/0x5e0 [ 242.964984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.969835] ? trace_hardirqs_on_caller+0x310/0x310 [ 242.974850] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.980304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.985844] ? prepare_exit_to_usermode+0x291/0x3b0 [ 242.990866] ? page_fault+0x8/0x30 [ 242.994412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.999270] ? page_fault+0x8/0x30 [ 243.002811] page_fault+0x1e/0x30 [ 243.006261] RIP: 0033:0x4727a0 [ 243.009469] Code: Bad RIP value. [ 243.012855] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 243.018232] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 243.025502] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 243.032781] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 243.040048] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 243.047317] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 243.054613] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 243.054619] warn_alloc_show_mem: 1 callbacks suppressed [ 243.054627] Mem-Info: [ 243.061570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.066941] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 243.066941] active_file:12 inactive_file:13 isolated_file:0 [ 243.066941] unevictable:0 dirty:0 writeback:0 unstable:0 [ 243.066941] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 243.066941] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 243.066941] free:13771 free_pcp:124 free_cma:0 [ 243.069318] Call Trace: [ 243.078711] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 243.111570] [ 243.114143] Node 0 [ 243.141561] dump_stack+0x244/0x39d [ 243.143743] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 243.145953] ? dump_stack_print_info.cold.1+0x20/0x20 [ 243.149562] lowmem_reserve[]: [ 243.175064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.180230] 0 [ 243.183339] warn_alloc.cold.117+0xb7/0x1bd [ 243.188847] 2818 [ 243.190648] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.194951] 6321 [ 243.197021] ? lock_downgrade+0x900/0x900 [ 243.201840] 6321 [ 243.203906] ? trace_hardirqs_off+0xb8/0x310 [ 243.210107] ? trace_hardirqs_off+0xb8/0x310 [ 243.214494] Node 0 DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 243.218921] __alloc_pages_slowpath+0x2660/0x2d70 [ 243.218962] ? warn_alloc+0x120/0x120 [ 243.246498] lowmem_reserve[]: 0 [ 243.251345] ? warn_alloc+0x120/0x120 [ 243.255123] 0 [ 243.258400] ? print_usage_bug+0xc0/0xc0 [ 243.262176] 3503 3503 [ 243.263985] ? warn_alloc+0x120/0x120 [ 243.268032] Node 0 [ 243.270538] ? print_usage_bug+0xc0/0xc0 [ 243.274350] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 243.276568] ? __lock_acquire+0x62f/0x4c20 [ 243.276585] ? __lock_acquire+0x62f/0x4c20 [ 243.280636] lowmem_reserve[]: [ 243.308752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.312964] 0 [ 243.317192] ? should_fail+0x22d/0xd01 [ 243.320274] 0 [ 243.325811] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 243.327590] 0 [ 243.331469] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.333255] 0 [ 243.338529] ? __lock_acquire+0x62f/0x4c20 [ 243.345419] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.347206] Node 0 [ 243.351446] ? __lock_acquire+0x62f/0x4c20 [ 243.356522] DMA: 1*4kB [ 243.358775] ? should_fail+0x22d/0xd01 [ 243.362987] (U) [ 243.365574] ? rcu_irq_exit+0x1a2/0x390 [ 243.369441] 0*8kB [ 243.371420] ? mark_held_locks+0x130/0x130 [ 243.375371] 0*16kB [ 243.377513] ? mark_held_locks+0x130/0x130 [ 243.381729] 1*32kB [ 243.383979] ? mark_held_locks+0xc7/0x130 [ 243.388194] (U) [ 243.390428] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 243.394564] 2*64kB (U) [ 243.396562] ? zap_class+0x640/0x640 [ 243.401559] 1*128kB [ 243.404137] ? print_usage_bug+0xc0/0xc0 [ 243.407831] (U) [ 243.410152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.414193] 1*256kB [ 243.416171] ? check_preemption_disabled+0x48/0x280 [ 243.421699] (U) [ 243.424036] ? __lock_is_held+0xb5/0x140 [ 243.429045] 0*512kB 1*1024kB [ 243.431056] __alloc_pages_nodemask+0xa80/0xde0 [ 243.435091] (U) [ 243.438191] ? zap_class+0x640/0x640 [ 243.442835] 1*2048kB (M) [ 243.444814] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 243.448508] 3*4096kB [ 243.451279] ? find_held_lock+0x36/0x1c0 [ 243.456461] (M) = 15908kB [ 243.458898] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.462930] Node 0 [ 243.465687] ? lock_downgrade+0x900/0x900 [ 243.470335] DMA32: [ 243.472573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.476697] 4*4kB [ 243.478932] cache_grow_begin+0xa5/0x8c0 [ 243.484442] (M) [ 243.486585] ? do_raw_spin_unlock+0xa7/0x330 [ 243.490623] 0*8kB [ 243.492595] fallback_alloc+0x204/0x2e0 [ 243.496980] 2*16kB [ 243.499143] ____cache_alloc_node+0x1c7/0x1e0 [ 243.503104] (M) 2*32kB [ 243.505358] kmem_cache_alloc_node+0xe3/0x730 [ 243.509839] (UM) [ 243.512422] ? ipv6_get_ifaddr+0x42e/0x620 [ 243.516897] 4*64kB [ 243.518966] __alloc_skb+0x119/0x770 [ 243.523182] (UM) [ 243.525423] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 243.529122] 4*128kB [ 243.531198] ? netdev_alloc_frag+0x1f0/0x1f0 [ 243.536454] (M) [ 243.538774] ? lock_downgrade+0x900/0x900 [ 243.543162] 3*256kB [ 243.545146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.549266] (M) [ 243.551605] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.557118] 4*512kB (UM) [ 243.559106] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.564976] 3*1024kB (UM) [ 243.567758] ? addrconf_rs_timer+0x690/0x690 [ 243.573186] 3*2048kB [ 243.576047] ndisc_alloc_skb+0x144/0x340 [ 243.580423] (UM) [ 243.582831] ndisc_send_rs+0x331/0x6e0 [ 243.586869] 3*4096kB (M) [ 243.588940] addrconf_rs_timer+0x314/0x690 [ 243.592807] = 25200kB [ 243.595572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.599788] Node 0 [ 243.602207] call_timer_fn+0x272/0x920 [ 243.606413] Normal: [ 243.608645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.612515] 786*4kB [ 243.614849] ? process_timeout+0x40/0x40 [ 243.619071] (MEH) [ 243.621412] ? __run_timers+0x7da/0xc70 [ 243.625446] 440*8kB [ 243.627608] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.631577] (UMEH) [ 243.633914] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.638391] 141*16kB [ 243.640634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.645121] (MEH) [ 243.647534] ? lockdep_hardirqs_on+0x296/0x5b0 [ 243.651768] 54*32kB [ 243.653914] ? trace_hardirqs_on+0xbd/0x310 [ 243.658471] (MEH) [ 243.660798] ? kasan_check_read+0x11/0x20 [ 243.665095] 14*64kB [ 243.667241] ? __run_timers+0x7da/0xc70 [ 243.671362] (UME) 1*128kB [ 243.673698] ? trace_hardirqs_off_caller+0x310/0x310 [ 243.677648] (H) [ 243.680488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.685574] 1*256kB [ 243.687543] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.691757] (H) [ 243.694081] __run_timers+0x7e5/0xc70 [ 243.698297] 2*512kB [ 243.700280] ? timer_fixup_init+0x70/0x70 [ 243.704057] (H) [ 243.706384] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.710502] 1*1024kB (U) [ 243.712510] ? zap_class+0x640/0x640 [ 243.717514] 0*2048kB [ 243.720270] ? enqueue_hrtimer+0x1a5/0x560 [ 243.723964] 0*4096kB [ 243.726370] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.730596] = 13976kB [ 243.730622] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 243.733460] ? find_held_lock+0x36/0x1c0 [ 243.738652] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 243.742068] ? zap_class+0x640/0x640 [ 243.750896] 163 total pagecache pages [ 243.754961] ? pvclock_read_flags+0x160/0x160 [ 243.763518] 0 pages in swap cache [ 243.767219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.770992] Swap cache stats: add 0, delete 0, find 0/0 [ 243.770995] Free swap = 0kB [ 243.770998] Total swap = 0kB [ 243.771003] 1965979 pages RAM [ 243.771005] 0 pages HighMem/MovableOnly [ 243.771008] 342867 pages reserved [ 243.771011] 0 pages cma reserved [ 243.771125] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.778239] ? check_preemption_disabled+0x48/0x280 [ 243.778263] ? __lock_is_held+0xb5/0x140 [ 243.778280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.781782] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.787255] ? check_preemption_disabled+0x48/0x280 [ 243.792599] syz-fuzzer cpuset= [ 243.795650] run_timer_softirq+0x52/0xb0 [ 243.798663] / [ 243.801766] ? rcu_read_lock_sched_held+0x14f/0x180 [ 243.805733] mems_allowed=0 [ 243.809184] __do_softirq+0x308/0xb7e [ 243.869459] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 243.873958] ? lock_downgrade+0x900/0x900 [ 243.878114] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 243.883227] ? pvclock_read_flags+0x160/0x160 [ 243.887730] ? lapic_next_event+0x5a/0x90 [ 243.891879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.897429] ? kvm_clock_read+0x18/0x30 [ 243.901413] ? kvm_sched_clock_read+0x9/0x20 [ 243.905824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.911359] ? check_preemption_disabled+0x48/0x280 [ 243.916386] irq_exit+0x17f/0x1c0 [ 243.919841] smp_apic_timer_interrupt+0x1cb/0x760 [ 243.924684] ? smp_reschedule_interrupt+0x109/0x650 [ 243.929703] ? smp_call_function_single_interrupt+0x650/0x650 [ 243.935592] ? interrupt_entry+0xb5/0xc0 [ 243.939660] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.944674] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.949689] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.954545] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.959560] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.964590] ? task_prio+0x50/0x50 [ 243.968131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.973665] ? check_preemption_disabled+0x48/0x280 [ 243.978686] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.983547] apic_timer_interrupt+0xf/0x20 [ 243.987787] [ 243.990048] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 243.995938] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 244.014837] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 244.022720] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 244.029986] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 244.037270] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 244.044537] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 244.051801] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 244.059100] ? save_stack+0xa9/0xd0 [ 244.062737] __kmalloc_node_track_caller+0x33/0x70 [ 244.067670] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 244.072443] pskb_expand_head+0x230/0x10f0 [ 244.076693] ? memcpy+0x45/0x50 [ 244.079976] ? __copy_skb_header+0x350/0x6b0 [ 244.084386] ? skb_release_data+0x880/0x880 [ 244.088736] ? __alloc_skb+0x770/0x770 [ 244.092648] ? __lock_is_held+0xb5/0x140 [ 244.096715] ? kasan_check_write+0x14/0x20 [ 244.100948] ? __skb_clone+0x6c7/0xa00 [ 244.104847] ? __copy_skb_header+0x6b0/0x6b0 [ 244.109251] ? kmem_cache_alloc+0x33a/0x730 [ 244.113583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.119125] skb_ensure_writable+0x3dd/0x640 [ 244.123537] ? skb_checksum_setup+0xaa0/0xaa0 [ 244.128036] ? check_preemption_disabled+0x48/0x280 [ 244.133068] ? __this_cpu_preempt_check+0x1c/0x20 [ 244.137926] ? __bpf_redirect+0x54b/0xb20 [ 244.142106] bpf_clone_redirect+0x14a/0x490 [ 244.146433] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 244.151451] ? __sched_text_start+0x8/0x8 [ 244.155598] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.160362] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 244.164942] ? retint_kernel+0x2d/0x2d [ 244.168834] ? find_held_lock+0x36/0x1c0 [ 244.172907] ? lock_acquire+0x1ed/0x520 [ 244.176883] ? bpf_test_run+0x3cb/0x780 [ 244.180856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.186393] ? check_preemption_disabled+0x48/0x280 [ 244.191416] ? kasan_check_read+0x11/0x20 [ 244.195573] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 244.200852] ? rcu_softirq_qs+0x20/0x20 [ 244.204825] ? preempt_schedule+0x4d/0x60 [ 244.208985] ? ___preempt_schedule+0x16/0x18 [ 244.213404] ? bpf_test_run+0x25d/0x780 [ 244.217394] ? netlink_diag_dump+0x2a0/0x2a0 [ 244.221802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.227341] ? bpf_test_init.isra.10+0x70/0x100 [ 244.232034] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 244.236808] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 244.241650] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 244.247192] ? fput+0x130/0x1a0 [ 244.250497] ? __bpf_prog_get+0x9b/0x290 [ 244.254561] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 244.259404] ? bpf_prog_test_run+0x130/0x1a0 [ 244.263818] ? __x64_sys_bpf+0x3d8/0x520 [ 244.267883] ? bpf_prog_get+0x20/0x20 [ 244.271707] ? do_syscall_64+0x1b9/0x820 [ 244.275787] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 244.281159] ? syscall_return_slowpath+0x5e0/0x5e0 [ 244.286096] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.291122] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 244.296149] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 244.302828] ? __switch_to_asm+0x40/0x70 [ 244.306886] ? __switch_to_asm+0x34/0x70 [ 244.310966] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.315821] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 244.321209] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 244.321306] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 244.327887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.327893] Call Trace: [ 244.327901] [ 244.327919] dump_stack+0x244/0x39d [ 244.327939] ? dump_stack_print_info.cold.1+0x20/0x20 [ 244.334512] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 244.343775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.346337] syz-executor5 cpuset= [ 244.348490] warn_alloc.cold.117+0xb7/0x1bd [ 244.352085] syz5 [ 244.357306] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.367769] mems_allowed=0 [ 244.373305] ? lock_downgrade+0x900/0x900 [ 244.394928] ? trace_hardirqs_off+0xb8/0x310 [ 244.399370] ? trace_hardirqs_off+0xb8/0x310 [ 244.403788] __alloc_pages_slowpath+0x2660/0x2d70 [ 244.408664] ? warn_alloc+0x120/0x120 [ 244.412486] ? warn_alloc+0x120/0x120 [ 244.416292] ? print_usage_bug+0xc0/0xc0 [ 244.420355] ? warn_alloc+0x120/0x120 [ 244.424154] ? print_usage_bug+0xc0/0xc0 [ 244.428216] ? __lock_acquire+0x62f/0x4c20 [ 244.432450] ? __lock_acquire+0x62f/0x4c20 [ 244.436683] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.442217] ? should_fail+0x22d/0xd01 [ 244.446137] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.451248] ? __lock_acquire+0x62f/0x4c20 [ 244.455488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.460591] ? __lock_acquire+0x62f/0x4c20 [ 244.464819] ? should_fail+0x22d/0xd01 [ 244.468705] ? find_held_lock+0x36/0x1c0 [ 244.472772] ? mark_held_locks+0x130/0x130 [ 244.477011] ? mark_held_locks+0x130/0x130 [ 244.481258] ? zap_class+0x640/0x640 [ 244.484987] ? zap_class+0x640/0x640 [ 244.488709] ? print_usage_bug+0xc0/0xc0 [ 244.492783] ? do_raw_spin_unlock+0xa7/0x330 [ 244.497217] ? zap_class+0x640/0x640 [ 244.500940] ? print_usage_bug+0xc0/0xc0 [ 244.505001] ? wq_watchdog_touch+0x9c/0xfe [ 244.509247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.514786] ? check_preemption_disabled+0x48/0x280 [ 244.519811] ? __lock_is_held+0xb5/0x140 [ 244.523878] __alloc_pages_nodemask+0xa80/0xde0 [ 244.528563] ? zap_class+0x640/0x640 [ 244.532297] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 244.537323] ? find_held_lock+0x36/0x1c0 [ 244.541398] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.546072] ? lock_downgrade+0x900/0x900 [ 244.550229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.555790] cache_grow_begin+0xa5/0x8c0 [ 244.559850] ? do_raw_spin_unlock+0xa7/0x330 [ 244.564266] fallback_alloc+0x204/0x2e0 [ 244.568252] ____cache_alloc_node+0x1c7/0x1e0 [ 244.572753] kmem_cache_alloc_node+0xe3/0x730 [ 244.577249] ? ipv6_get_ifaddr+0x42e/0x620 [ 244.581495] __alloc_skb+0x119/0x770 [ 244.585218] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 244.590500] ? netdev_alloc_frag+0x1f0/0x1f0 [ 244.594911] ? lock_downgrade+0x900/0x900 [ 244.599080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.604621] ? refcount_sub_and_test_checked+0x203/0x310 [ 244.610079] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 244.615531] ? addrconf_rs_timer+0x690/0x690 [ 244.619970] ndisc_alloc_skb+0x144/0x340 [ 244.624043] ndisc_send_rs+0x331/0x6e0 [ 244.627950] addrconf_rs_timer+0x314/0x690 [ 244.632194] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.636446] call_timer_fn+0x272/0x920 [ 244.640344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.644588] ? process_timeout+0x40/0x40 [ 244.648661] ? mark_held_locks+0xc7/0x130 [ 244.652820] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.657320] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.661813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.666051] ? lockdep_hardirqs_on+0x296/0x5b0 [ 244.670635] ? trace_hardirqs_on+0xbd/0x310 [ 244.674957] ? kasan_check_read+0x11/0x20 [ 244.679108] ? __run_timers+0x7da/0xc70 [ 244.683082] ? trace_hardirqs_off_caller+0x310/0x310 [ 244.688190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.692433] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.696672] __run_timers+0x7e5/0xc70 [ 244.700487] ? timer_fixup_init+0x70/0x70 [ 244.704657] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 244.709676] ? zap_class+0x640/0x640 [ 244.713398] ? print_usage_bug+0xc0/0xc0 [ 244.717465] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 244.722664] ? find_held_lock+0x36/0x1c0 [ 244.726726] ? zap_class+0x640/0x640 [ 244.730435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.735969] ? check_preemption_disabled+0x48/0x280 [ 244.740994] ? __lock_is_held+0xb5/0x140 [ 244.745066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.750603] ? check_preemption_disabled+0x48/0x280 [ 244.755625] run_timer_softirq+0x52/0xb0 [ 244.759688] ? rcu_read_lock_sched_held+0x14f/0x180 [ 244.764702] __do_softirq+0x308/0xb7e [ 244.768521] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 244.773028] ? lock_downgrade+0x900/0x900 [ 244.777184] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 244.782300] ? pvclock_read_flags+0x160/0x160 [ 244.786798] ? lapic_next_event+0x5a/0x90 [ 244.790965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.796509] ? kvm_clock_read+0x18/0x30 [ 244.800513] ? kvm_sched_clock_read+0x9/0x20 [ 244.804927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.810478] ? check_preemption_disabled+0x48/0x280 [ 244.815512] irq_exit+0x17f/0x1c0 [ 244.818970] smp_apic_timer_interrupt+0x1cb/0x760 [ 244.823812] ? smp_reschedule_interrupt+0x109/0x650 [ 244.828827] ? smp_call_function_single_interrupt+0x650/0x650 [ 244.834714] ? interrupt_entry+0xb5/0xc0 [ 244.838779] ? trace_hardirqs_off_caller+0xbb/0x310 [ 244.843795] ? trace_hardirqs_off_caller+0xbb/0x310 [ 244.848812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.853659] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.858678] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.863693] ? task_prio+0x50/0x50 [ 244.867237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.872774] ? check_preemption_disabled+0x48/0x280 [ 244.877795] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.882661] apic_timer_interrupt+0xf/0x20 [ 244.886886] [ 244.889129] RIP: 0010:console_unlock+0xffa/0x1160 [ 244.893974] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 244.912875] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 244.920583] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 244.927853] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 244.935140] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 244.942406] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 244.949677] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 244.956965] ? netconsole_netdev_event+0x280/0x280 [ 244.961905] ? console_unlock+0xff1/0x1160 [ 244.966161] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 244.970834] ? lock_release+0xa00/0xa00 [ 244.974811] ? interrupt_entry+0xc0/0xc0 [ 244.978887] vprintk_emit+0x33d/0x930 [ 244.982705] ? wake_up_klogd+0x180/0x180 [ 244.986802] ? attach_entity_load_avg+0x810/0x860 [ 244.991641] ? __lock_acquire+0x600/0x4c20 [ 244.995874] ? mark_held_locks+0x130/0x130 [ 245.000108] ? print_usage_bug+0xc0/0xc0 [ 245.004178] ? find_held_lock+0x36/0x1c0 [ 245.008275] ? mark_held_locks+0xc7/0x130 [ 245.012439] vprintk_default+0x28/0x30 [ 245.016346] vprintk_func+0x7e/0x181 [ 245.020062] printk+0xa7/0xcf [ 245.023172] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 245.027947] show_free_areas.cold.118+0x1f34/0x215d [ 245.032983] ? si_meminfo_node+0x260/0x260 [ 245.037234] ? __lock_acquire+0x62f/0x4c20 [ 245.041467] ? __lock_acquire+0x62f/0x4c20 [ 245.045704] ? __lock_is_held+0xb5/0x140 [ 245.049811] ? mark_held_locks+0x130/0x130 [ 245.054060] ? zap_class+0x640/0x640 [ 245.057779] ? put_dec+0x3b/0xf0 [ 245.061165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.066725] ? find_held_lock+0x36/0x1c0 [ 245.070797] ? serial8250_console_write+0x8b3/0xb10 [ 245.075818] ? lock_downgrade+0x900/0x900 [ 245.079971] ? zap_class+0x640/0x640 [ 245.083683] ? zap_class+0x640/0x640 [ 245.087405] ? print_usage_bug+0xc0/0xc0 [ 245.091464] ? do_raw_spin_unlock+0xa7/0x330 [ 245.095880] ? trace_hardirqs_on+0x310/0x310 [ 245.100288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.105835] ? find_held_lock+0x36/0x1c0 [ 245.109908] ? mark_held_locks+0xc7/0x130 [ 245.114077] ? console_unlock+0xfcd/0x1160 [ 245.118317] ? netconsole_netdev_event+0x280/0x280 [ 245.123253] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 245.127849] ? trace_hardirqs_on+0xbd/0x310 [ 245.132184] ? vprintk_emit+0x33d/0x930 [ 245.136162] ? trace_hardirqs_off_caller+0x310/0x310 [ 245.141266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.146814] ? netconsole_netdev_event+0x280/0x280 [ 245.151759] ? console_unlock+0x8d8/0x1160 [ 245.156005] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 245.160692] ? vprintk_emit+0x7f7/0x930 [ 245.164670] ? lock_release+0xa00/0xa00 [ 245.168648] ? preempt_count_add+0xbc/0x1b0 [ 245.172967] ? wake_up_klogd+0x11a/0x180 [ 245.177036] ? console_device+0xc0/0xc0 [ 245.181026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.186575] ? vprintk_emit+0x268/0x930 [ 245.190557] ? wake_up_klogd+0x180/0x180 [ 245.194616] ? trace_hardirqs_on_caller+0xc0/0x310 [ 245.199554] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.204313] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.209766] ? retint_kernel+0x1b/0x2d [ 245.213667] ? trace_hardirqs_on+0x310/0x310 [ 245.218088] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.222866] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 245.227629] ? show_mem+0x1e/0x17b [ 245.231174] show_mem+0x34/0x17b [ 245.234552] dump_header+0x2f1/0xf72 [ 245.238273] ? mark_held_locks+0x130/0x130 [ 245.242525] ? pagefault_out_of_memory+0x197/0x197 [ 245.247467] ? __lock_acquire+0x62f/0x4c20 [ 245.251702] ? zap_class+0x640/0x640 [ 245.255421] ? percpu_ref_get_many+0x240/0x240 [ 245.260006] ? print_usage_bug+0xc0/0xc0 [ 245.264093] ? print_usage_bug+0xc0/0xc0 [ 245.268166] ? zap_class+0x640/0x640 [ 245.271882] ? print_usage_bug+0xc0/0xc0 [ 245.275945] ? print_usage_bug+0xc0/0xc0 [ 245.280033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.285576] ? find_held_lock+0x36/0x1c0 [ 245.289644] ? mark_held_locks+0xc7/0x130 [ 245.293797] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 245.298900] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 245.304005] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 245.308599] ? trace_hardirqs_on+0xbd/0x310 [ 245.312921] ? kasan_check_read+0x11/0x20 [ 245.317069] ? ___ratelimit+0x3b4/0x672 [ 245.321047] ? trace_hardirqs_off_caller+0x310/0x310 [ 245.326151] ? trace_hardirqs_on+0x310/0x310 [ 245.330565] ? lock_downgrade+0x900/0x900 [ 245.334721] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 245.339822] ? ___ratelimit+0x3b9/0x672 [ 245.343796] ? idr_get_free+0xec0/0xec0 [ 245.347771] ? kasan_check_read+0x11/0x20 [ 245.351914] ? do_raw_spin_unlock+0xa7/0x330 [ 245.356331] oom_kill_process.cold.27+0x10/0x903 [ 245.361087] ? zap_class+0x640/0x640 [ 245.364810] ? _raw_spin_unlock+0x2c/0x50 [ 245.368957] ? oom_badness+0xe6/0xaa0 [ 245.372765] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 245.377692] ? kasan_check_read+0x11/0x20 [ 245.381840] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 245.387119] ? oom_evaluate_task+0x540/0x540 [ 245.391531] ? find_held_lock+0x36/0x1c0 [ 245.395607] ? out_of_memory+0x974/0x1430 [ 245.399776] ? lock_downgrade+0x900/0x900 [ 245.403927] ? check_preemption_disabled+0x48/0x280 [ 245.408949] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 245.413882] ? kasan_check_read+0x11/0x20 [ 245.418037] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 245.423315] ? rcu_softirq_qs+0x20/0x20 [ 245.427301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.432837] ? oom_evaluate_task+0x302/0x540 [ 245.437263] out_of_memory+0xa84/0x1430 [ 245.441296] ? oom_killer_disable+0x3a0/0x3a0 [ 245.445794] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 245.450739] ? __mutex_add_waiter+0x2a0/0x2a0 [ 245.455478] __alloc_pages_slowpath+0x22d4/0x2d70 [ 245.460352] ? warn_alloc+0x120/0x120 [ 245.464167] ? rcu_softirq_qs+0x20/0x20 [ 245.468173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.473707] ? should_fail+0x22d/0xd01 [ 245.477598] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.482700] ? zap_class+0x640/0x640 [ 245.486434] ? __lock_is_held+0xb5/0x140 [ 245.490502] ? mark_held_locks+0x130/0x130 [ 245.494741] ? lock_release+0xa00/0xa00 [ 245.498718] ? perf_trace_sched_process_exec+0x860/0x860 [ 245.504179] ? __might_sleep+0x95/0x190 [ 245.508158] __alloc_pages_nodemask+0xa80/0xde0 [ 245.512832] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 245.517849] ? __page_cache_alloc+0x191/0x5c0 [ 245.522347] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 245.527276] ? kasan_check_read+0x11/0x20 [ 245.531430] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 245.536708] ? zap_class+0x640/0x640 [ 245.540429] ? zap_class+0x640/0x640 [ 245.544158] ? zap_class+0x640/0x640 [ 245.547877] ? __do_page_cache_readahead+0x7ce/0x980 [ 245.552996] ? find_held_lock+0x36/0x1c0 [ 245.557065] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 245.563062] alloc_pages_current+0x173/0x350 [ 245.567479] __page_cache_alloc+0x38c/0x5c0 [ 245.571802] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 245.576731] ? kasan_check_read+0x11/0x20 [ 245.580882] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 245.586159] ? generic_perform_write+0x6a0/0x6a0 [ 245.590923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.596460] ? check_preemption_disabled+0x48/0x280 [ 245.601511] filemap_fault+0x1594/0x25f0 [ 245.605620] ? __lock_page_or_retry+0xa00/0xa00 [ 245.610296] ? mark_held_locks+0x130/0x130 [ 245.614534] ? rcu_softirq_qs+0x20/0x20 [ 245.618559] ? filemap_map_pages+0xe04/0x1990 [ 245.623074] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 245.628021] ? futex_wait_setup+0x15c/0x3e0 [ 245.632350] ? zap_class+0x640/0x640 [ 245.636085] ? lock_acquire+0x1ed/0x520 [ 245.640061] ? alloc_set_pte+0x1447/0x1f40 [ 245.644320] ? lock_acquire+0x1ed/0x520 [ 245.648296] ? ext4_filemap_fault+0x7a/0xad [ 245.652633] ? lock_release+0xa00/0xa00 [ 245.656609] ? perf_trace_sched_process_exec+0x860/0x860 [ 245.662079] ? print_usage_bug+0xc0/0xc0 [ 245.666142] ? print_usage_bug+0xc0/0xc0 [ 245.670215] ? down_read+0x8d/0x120 [ 245.673841] ? ext4_filemap_fault+0x7a/0xad [ 245.678163] ? __down_interruptible+0x700/0x700 [ 245.682852] ext4_filemap_fault+0x82/0xad [ 245.687001] __do_fault+0x100/0x6b0 [ 245.690640] ? unlock_page+0x2c2/0x4c0 [ 245.694535] ? pmd_devmap_trans_unstable+0x220/0x220 [ 245.699650] ? mark_held_locks+0x130/0x130 [ 245.703888] ? mark_held_locks+0x130/0x130 [ 245.708137] ? do_raw_spin_trylock+0x270/0x270 [ 245.712726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.718267] __handle_mm_fault+0x307c/0x5920 [ 245.722695] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 245.727549] ? kasan_check_read+0x11/0x20 [ 245.731696] ? _copy_to_user+0xc8/0x110 [ 245.735676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.741227] ? zap_class+0x640/0x640 [ 245.744976] ? zap_class+0x640/0x640 [ 245.748696] ? find_held_lock+0x36/0x1c0 [ 245.752774] ? handle_mm_fault+0x42a/0xc70 [ 245.757021] ? lock_downgrade+0x900/0x900 [ 245.761177] ? check_preemption_disabled+0x48/0x280 [ 245.766214] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 245.771150] ? kasan_check_read+0x11/0x20 [ 245.775302] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 245.780580] ? rcu_softirq_qs+0x20/0x20 [ 245.784559] ? trace_hardirqs_off_caller+0x310/0x310 [ 245.789680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.795225] ? check_preemption_disabled+0x48/0x280 [ 245.800262] handle_mm_fault+0x54f/0xc70 [ 245.804332] ? __handle_mm_fault+0x5920/0x5920 [ 245.808921] ? find_vma+0x34/0x190 [ 245.812469] __do_page_fault+0x5e8/0xe60 [ 245.816534] ? trace_hardirqs_off+0xb8/0x310 [ 245.820949] ? __ia32_sys_read+0xb0/0xb0 [ 245.825029] do_page_fault+0xf2/0x7e0 [ 245.828836] ? vmalloc_sync_all+0x30/0x30 [ 245.832992] ? error_entry+0x70/0xd0 [ 245.836733] ? trace_hardirqs_off_caller+0xbb/0x310 [ 245.841752] ? trace_hardirqs_on_caller+0xc0/0x310 [ 245.846682] ? syscall_return_slowpath+0x5e0/0x5e0 [ 245.851611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.856458] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.861493] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.866947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.872483] ? prepare_exit_to_usermode+0x291/0x3b0 [ 245.877522] ? page_fault+0x8/0x30 [ 245.881117] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.885971] ? page_fault+0x8/0x30 [ 245.889527] page_fault+0x1e/0x30 [ 245.892996] RIP: 0033:0x4727a0 [ 245.896211] Code: Bad RIP value. [ 245.899570] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 245.904938] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 245.912207] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 245.919478] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 245.926744] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 245.934021] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 245.941324] warn_alloc_show_mem: 1 callbacks suppressed [ 245.941337] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 245.941339] Mem-Info: [ 245.941372] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 245.941372] active_file:12 inactive_file:13 isolated_file:0 [ 245.941372] unevictable:0 dirty:0 writeback:0 unstable:0 [ 245.941372] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 245.941372] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 245.941372] free:13771 free_pcp:124 free_cma:0 [ 245.946718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.953648] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 245.956051] Call Trace: [ 245.988928] Node 0 [ 245.998287] [ 246.025734] 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 [ 246.028326] dump_stack+0x244/0x39d [ 246.030533] lowmem_reserve[]: [ 246.032682] ? dump_stack_print_info.cold.1+0x20/0x20 [ 246.058174] 0 2818 [ 246.061822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.064897] 6321 [ 246.070094] warn_alloc.cold.117+0xb7/0x1bd [ 246.072302] 6321 [ 246.077839] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.079903] Node 0 [ 246.084232] ? lock_downgrade+0x900/0x900 [ 246.086312] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 246.091135] ? trace_hardirqs_off+0xb8/0x310 [ 246.093344] lowmem_reserve[]: [ 246.097492] ? trace_hardirqs_off+0xb8/0x310 [ 246.124458] 0 0 [ 246.128923] __alloc_pages_slowpath+0x2660/0x2d70 [ 246.132001] 3503 [ 246.136450] ? warn_alloc+0x120/0x120 [ 246.138381] 3503 [ 246.143219] ? warn_alloc+0x120/0x120 [ 246.149063] ? print_usage_bug+0xc0/0xc0 [ 246.151101] Node 0 [ 246.154899] ? warn_alloc+0x120/0x120 [ 246.158968] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 246.161175] ? print_usage_bug+0xc0/0xc0 [ 246.164956] lowmem_reserve[]: [ 246.193097] ? __lock_acquire+0x62f/0x4c20 [ 246.197137] 0 [ 246.200255] ? __lock_acquire+0x62f/0x4c20 [ 246.204484] 0 [ 246.206304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.210508] 0 0 [ 246.212318] ? should_fail+0x22d/0xd01 [ 246.217832] Node 0 [ 246.219824] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 246.223679] DMA: 1*4kB [ 246.225935] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.231200] (U) [ 246.233788] ? __lock_acquire+0x62f/0x4c20 [ 246.238882] 0*8kB [ 246.240858] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.245074] 0*16kB [ 246.247223] ? __lock_acquire+0x62f/0x4c20 [ 246.252304] 1*32kB [ 246.254534] ? should_fail+0x22d/0xd01 [ 246.258775] (U) [ 246.261058] ? rcu_irq_exit+0x1a2/0x390 [ 246.264923] 2*64kB [ 246.266922] ? mark_held_locks+0x130/0x130 [ 246.270857] (U) [ 246.273106] ? mark_held_locks+0x130/0x130 [ 246.277334] 1*128kB [ 246.279309] ? mark_held_locks+0xc7/0x130 [ 246.283518] (U) [ 246.285856] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 246.289978] 1*256kB (U) [ 246.291967] ? zap_class+0x640/0x640 [ 246.296964] 0*512kB [ 246.299632] ? print_usage_bug+0xc0/0xc0 [ 246.303335] 1*1024kB (U) [ 246.305677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.309707] 1*2048kB (M) [ 246.312476] ? check_preemption_disabled+0x48/0x280 [ 246.317998] 3*4096kB (M) [ 246.320785] ? __lock_is_held+0xb5/0x140 [ 246.325766] = 15908kB [ 246.325775] Node 0 [ 246.328540] __alloc_pages_nodemask+0xa80/0xde0 [ 246.332579] DMA32: [ 246.334989] ? zap_class+0x640/0x640 [ 246.337208] 4*4kB [ 246.341870] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 246.344078] (M) 0*8kB [ 246.347818] ? find_held_lock+0x36/0x1c0 [ 246.349956] 2*16kB [ 246.354978] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.357450] (M) [ 246.361508] ? lock_downgrade+0x900/0x900 [ 246.363724] 2*32kB [ 246.368395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.370349] (UM) [ 246.374497] cache_grow_begin+0xa5/0x8c0 [ 246.376712] 4*64kB [ 246.382249] ? do_raw_spin_unlock+0xa7/0x330 [ 246.384291] (UM) [ 246.388352] fallback_alloc+0x204/0x2e0 [ 246.390563] 4*128kB (M) [ 246.394995] ____cache_alloc_node+0x1c7/0x1e0 [ 246.397042] 3*256kB [ 246.401030] kmem_cache_alloc_node+0xe3/0x730 [ 246.403689] (M) [ 246.408184] ? ipv6_get_ifaddr+0x42e/0x620 [ 246.410519] 4*512kB [ 246.415039] __alloc_skb+0x119/0x770 [ 246.416991] (UM) [ 246.421234] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 246.423535] 3*1024kB [ 246.427258] ? netdev_alloc_frag+0x1f0/0x1f0 [ 246.429300] (UM) [ 246.434613] ? lock_downgrade+0x900/0x900 [ 246.437032] 3*2048kB [ 246.441469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.443515] (UM) [ 246.447675] ? refcount_sub_and_test_checked+0x203/0x310 [ 246.450097] 3*4096kB [ 246.455638] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 246.457688] (M) [ 246.463140] ? addrconf_rs_timer+0x690/0x690 [ 246.465532] = 25200kB [ 246.470994] ndisc_alloc_skb+0x144/0x340 [ 246.472967] Node 0 [ 246.477372] ndisc_send_rs+0x331/0x6e0 [ 246.479765] Normal: [ 246.483821] addrconf_rs_timer+0x314/0x690 [ 246.486042] 786*4kB [ 246.489929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.492244] (MEH) [ 246.496489] call_timer_fn+0x272/0x920 [ 246.498787] 440*8kB [ 246.503026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.505160] (UMEH) [ 246.509062] ? process_timeout+0x40/0x40 [ 246.511364] 141*16kB [ 246.515601] ? __run_timers+0x7da/0xc70 [ 246.517825] (MEH) [ 246.521889] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.524278] 54*32kB [ 246.528247] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.530391] (MEH) [ 246.534882] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.537186] 14*64kB [ 246.541688] ? lockdep_hardirqs_on+0x296/0x5b0 [ 246.543835] (UME) [ 246.548083] ? trace_hardirqs_on+0xbd/0x310 [ 246.550388] 1*128kB [ 246.554970] ? kasan_check_read+0x11/0x20 [ 246.557094] (H) [ 246.561420] ? __run_timers+0x7da/0xc70 [ 246.563723] 1*256kB [ 246.567867] ? trace_hardirqs_off_caller+0x310/0x310 [ 246.569823] (H) [ 246.573798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.576110] 2*512kB [ 246.581206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.583163] (H) [ 246.587401] __run_timers+0x7e5/0xc70 [ 246.589699] 1*1024kB (U) [ 246.593953] ? timer_fixup_init+0x70/0x70 [ 246.595913] 0*2048kB [ 246.599708] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 246.602443] 0*4096kB [ 246.606590] ? zap_class+0x640/0x640 [ 246.608993] = 13976kB [ 246.614022] ? enqueue_hrtimer+0x1a5/0x560 [ 246.616419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 246.620121] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 246.622516] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 246.626749] ? find_held_lock+0x36/0x1c0 [ 246.635568] 163 total pagecache pages [ 246.640759] ? zap_class+0x640/0x640 [ 246.649318] 0 pages in swap cache [ 246.653376] ? pvclock_read_flags+0x160/0x160 [ 246.657158] Swap cache stats: add 0, delete 0, find 0/0 [ 246.660869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.664299] Free swap = 0kB [ 246.669574] ? check_preemption_disabled+0x48/0x280 [ 246.674921] Total swap = 0kB [ 246.680465] ? __lock_is_held+0xb5/0x140 [ 246.683458] 1965979 pages RAM [ 246.688472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.691479] 0 pages HighMem/MovableOnly [ 246.695534] ? check_preemption_disabled+0x48/0x280 [ 246.698630] 342867 pages reserved [ 246.698639] 0 pages cma reserved [ 246.704176] run_timer_softirq+0x52/0xb0 [ 246.708216] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 246.713177] ? rcu_read_lock_sched_held+0x14f/0x180 [ 246.716779] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 246.720021] __do_softirq+0x308/0xb7e [ 246.724060] syz-fuzzer cpuset= [ 246.730560] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 246.735556] / [ 246.745784] ? lock_downgrade+0x900/0x900 [ 246.749568] mems_allowed=0 [ 246.752753] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 246.771102] ? pvclock_read_flags+0x160/0x160 [ 246.775601] ? lapic_next_event+0x5a/0x90 [ 246.779758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.785306] ? kvm_clock_read+0x18/0x30 [ 246.789280] ? kvm_sched_clock_read+0x9/0x20 [ 246.793704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.799244] ? check_preemption_disabled+0x48/0x280 [ 246.804274] irq_exit+0x17f/0x1c0 [ 246.807732] smp_apic_timer_interrupt+0x1cb/0x760 [ 246.812601] ? smp_reschedule_interrupt+0x109/0x650 [ 246.817645] ? smp_call_function_single_interrupt+0x650/0x650 [ 246.823557] ? interrupt_entry+0xb5/0xc0 [ 246.827625] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.832651] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.837680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.842534] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.847618] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.852633] ? task_prio+0x50/0x50 [ 246.856179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.861716] ? check_preemption_disabled+0x48/0x280 [ 246.866745] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.871610] apic_timer_interrupt+0xf/0x20 [ 246.875842] [ 246.878099] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 246.883989] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 246.902896] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 246.910607] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 246.917872] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 246.925143] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 246.932411] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 246.939764] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 246.947070] ? save_stack+0xa9/0xd0 [ 246.950712] __kmalloc_node_track_caller+0x33/0x70 [ 246.955648] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 246.960410] pskb_expand_head+0x230/0x10f0 [ 246.964678] ? memcpy+0x45/0x50 [ 246.967957] ? __copy_skb_header+0x350/0x6b0 [ 246.972368] ? skb_release_data+0x880/0x880 [ 246.976724] ? __alloc_skb+0x770/0x770 [ 246.980630] ? __lock_is_held+0xb5/0x140 [ 246.984700] ? kasan_check_write+0x14/0x20 [ 246.988938] ? __skb_clone+0x6c7/0xa00 [ 246.992827] ? __copy_skb_header+0x6b0/0x6b0 [ 246.997238] ? kmem_cache_alloc+0x33a/0x730 [ 247.001589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.007163] skb_ensure_writable+0x3dd/0x640 [ 247.011578] ? skb_checksum_setup+0xaa0/0xaa0 [ 247.016072] ? check_preemption_disabled+0x48/0x280 [ 247.021092] ? __this_cpu_preempt_check+0x1c/0x20 [ 247.025943] ? __bpf_redirect+0x54b/0xb20 [ 247.030105] bpf_clone_redirect+0x14a/0x490 [ 247.034434] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 247.039458] ? __sched_text_start+0x8/0x8 [ 247.043609] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.048369] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 247.052990] ? retint_kernel+0x2d/0x2d [ 247.056891] ? find_held_lock+0x36/0x1c0 [ 247.060959] ? lock_acquire+0x1ed/0x520 [ 247.064932] ? bpf_test_run+0x3cb/0x780 [ 247.068911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.074451] ? check_preemption_disabled+0x48/0x280 [ 247.079470] ? kasan_check_read+0x11/0x20 [ 247.083622] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 247.088899] ? rcu_softirq_qs+0x20/0x20 [ 247.092876] ? preempt_schedule+0x4d/0x60 [ 247.097035] ? ___preempt_schedule+0x16/0x18 [ 247.101458] ? bpf_test_run+0x25d/0x780 [ 247.105443] ? netlink_diag_dump+0x2a0/0x2a0 [ 247.109851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.115391] ? bpf_test_init.isra.10+0x70/0x100 [ 247.120071] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 247.124837] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 247.129679] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.135222] ? fput+0x130/0x1a0 [ 247.138503] ? __bpf_prog_get+0x9b/0x290 [ 247.142570] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 247.147410] ? bpf_prog_test_run+0x130/0x1a0 [ 247.151818] ? __x64_sys_bpf+0x3d8/0x520 [ 247.155876] ? bpf_prog_get+0x20/0x20 [ 247.159693] ? do_syscall_64+0x1b9/0x820 [ 247.163767] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.169136] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.174075] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.179128] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.184143] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 247.190807] ? __switch_to_asm+0x40/0x70 [ 247.194870] ? __switch_to_asm+0x34/0x70 [ 247.198941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.203797] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.209185] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 247.209297] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.215871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.215876] Call Trace: [ 247.215884] [ 247.215904] dump_stack+0x244/0x39d [ 247.215922] ? dump_stack_print_info.cold.1+0x20/0x20 [ 247.222720] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.231782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.234346] syz-executor5 cpuset= [ 247.236501] warn_alloc.cold.117+0xb7/0x1bd [ 247.240099] syz5 [ 247.245288] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.255757] mems_allowed=0 [ 247.261305] ? lock_downgrade+0x900/0x900 [ 247.282917] ? trace_hardirqs_off+0xb8/0x310 [ 247.287334] ? trace_hardirqs_off+0xb8/0x310 [ 247.291753] __alloc_pages_slowpath+0x2660/0x2d70 [ 247.296648] ? warn_alloc+0x120/0x120 [ 247.300474] ? warn_alloc+0x120/0x120 [ 247.304279] ? print_usage_bug+0xc0/0xc0 [ 247.308341] ? warn_alloc+0x120/0x120 [ 247.312143] ? print_usage_bug+0xc0/0xc0 [ 247.316209] ? __lock_acquire+0x62f/0x4c20 [ 247.320449] ? __lock_acquire+0x62f/0x4c20 [ 247.324706] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.330244] ? should_fail+0x22d/0xd01 [ 247.334147] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 247.339425] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.344530] ? __lock_acquire+0x62f/0x4c20 [ 247.348776] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.353883] ? __lock_acquire+0x62f/0x4c20 [ 247.358117] ? should_fail+0x22d/0xd01 [ 247.362007] ? rcu_irq_exit+0x1a2/0x390 [ 247.366003] ? mark_held_locks+0x130/0x130 [ 247.370255] ? mark_held_locks+0x130/0x130 [ 247.374498] ? mark_held_locks+0xc7/0x130 [ 247.378645] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 247.383661] ? zap_class+0x640/0x640 [ 247.387378] ? print_usage_bug+0xc0/0xc0 [ 247.391445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.396983] ? check_preemption_disabled+0x48/0x280 [ 247.402032] ? __lock_is_held+0xb5/0x140 [ 247.406110] __alloc_pages_nodemask+0xa80/0xde0 [ 247.410785] ? zap_class+0x640/0x640 [ 247.414508] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 247.419549] ? find_held_lock+0x36/0x1c0 [ 247.423640] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.428315] ? lock_downgrade+0x900/0x900 [ 247.432473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.438053] cache_grow_begin+0xa5/0x8c0 [ 247.442123] ? do_raw_spin_unlock+0xa7/0x330 [ 247.446558] fallback_alloc+0x204/0x2e0 [ 247.450536] ____cache_alloc_node+0x1c7/0x1e0 [ 247.455334] kmem_cache_alloc_node+0xe3/0x730 [ 247.459830] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.464120] __alloc_skb+0x119/0x770 [ 247.467838] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 247.473130] ? netdev_alloc_frag+0x1f0/0x1f0 [ 247.477550] ? lock_downgrade+0x900/0x900 [ 247.481708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.487251] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.492712] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.498257] ? addrconf_rs_timer+0x690/0x690 [ 247.502678] ndisc_alloc_skb+0x144/0x340 [ 247.506748] ndisc_send_rs+0x331/0x6e0 [ 247.510653] addrconf_rs_timer+0x314/0x690 [ 247.514899] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.519158] call_timer_fn+0x272/0x920 [ 247.523052] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.527290] ? process_timeout+0x40/0x40 [ 247.531361] ? mark_held_locks+0xc7/0x130 [ 247.535513] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.540026] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.544525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.548768] ? lockdep_hardirqs_on+0x296/0x5b0 [ 247.553363] ? trace_hardirqs_on+0xbd/0x310 [ 247.557693] ? kasan_check_read+0x11/0x20 [ 247.562393] ? __run_timers+0x7da/0xc70 [ 247.566375] ? trace_hardirqs_off_caller+0x310/0x310 [ 247.571483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.575733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.579966] __run_timers+0x7e5/0xc70 [ 247.583786] ? timer_fixup_init+0x70/0x70 [ 247.587943] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.592964] ? zap_class+0x640/0x640 [ 247.596692] ? print_usage_bug+0xc0/0xc0 [ 247.600757] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 247.605964] ? find_held_lock+0x36/0x1c0 [ 247.610054] ? zap_class+0x640/0x640 [ 247.613780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.619330] ? check_preemption_disabled+0x48/0x280 [ 247.624358] ? __lock_is_held+0xb5/0x140 [ 247.628421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.633963] ? check_preemption_disabled+0x48/0x280 [ 247.638982] run_timer_softirq+0x52/0xb0 [ 247.643057] ? rcu_read_lock_sched_held+0x14f/0x180 [ 247.648077] __do_softirq+0x308/0xb7e [ 247.651883] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 247.656381] ? lock_downgrade+0x900/0x900 [ 247.660538] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 247.665661] ? pvclock_read_flags+0x160/0x160 [ 247.670176] ? lapic_next_event+0x5a/0x90 [ 247.674330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.679885] ? kvm_clock_read+0x18/0x30 [ 247.683862] ? kvm_sched_clock_read+0x9/0x20 [ 247.688276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.693809] ? check_preemption_disabled+0x48/0x280 [ 247.698835] irq_exit+0x17f/0x1c0 [ 247.702293] smp_apic_timer_interrupt+0x1cb/0x760 [ 247.707136] ? smp_reschedule_interrupt+0x109/0x650 [ 247.712157] ? smp_call_function_single_interrupt+0x650/0x650 [ 247.718047] ? interrupt_entry+0xb5/0xc0 [ 247.722110] ? trace_hardirqs_off_caller+0xbb/0x310 [ 247.727123] ? trace_hardirqs_off_caller+0xbb/0x310 [ 247.732162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.737007] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.742042] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.747058] ? task_prio+0x50/0x50 [ 247.750600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.756140] ? check_preemption_disabled+0x48/0x280 [ 247.761162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.766011] apic_timer_interrupt+0xf/0x20 [ 247.770249] [ 247.772501] RIP: 0010:console_unlock+0xffa/0x1160 [ 247.777343] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 247.796240] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 247.803953] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 247.811225] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 247.818504] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 247.825769] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 247.833051] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 247.840355] ? netconsole_netdev_event+0x280/0x280 [ 247.845296] ? console_unlock+0xff1/0x1160 [ 247.849560] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 247.854240] ? lock_release+0xa00/0xa00 [ 247.858222] ? interrupt_entry+0xc0/0xc0 [ 247.862305] vprintk_emit+0x33d/0x930 [ 247.866112] ? wake_up_klogd+0x180/0x180 [ 247.870182] ? attach_entity_load_avg+0x810/0x860 [ 247.875028] ? __lock_acquire+0x600/0x4c20 [ 247.879270] ? mark_held_locks+0x130/0x130 [ 247.883506] ? print_usage_bug+0xc0/0xc0 [ 247.887587] ? find_held_lock+0x36/0x1c0 [ 247.891675] ? mark_held_locks+0xc7/0x130 [ 247.895826] vprintk_default+0x28/0x30 [ 247.899712] vprintk_func+0x7e/0x181 [ 247.903428] printk+0xa7/0xcf [ 247.906553] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 247.911340] show_free_areas.cold.118+0x1f34/0x215d [ 247.916377] ? si_meminfo_node+0x260/0x260 [ 247.920621] ? __lock_acquire+0x62f/0x4c20 [ 247.924858] ? __lock_acquire+0x62f/0x4c20 [ 247.929101] ? __lock_is_held+0xb5/0x140 [ 247.933175] ? mark_held_locks+0x130/0x130 [ 247.937411] ? zap_class+0x640/0x640 [ 247.941133] ? put_dec+0x3b/0xf0 [ 247.944502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.950055] ? find_held_lock+0x36/0x1c0 [ 247.954134] ? serial8250_console_write+0x8b3/0xb10 [ 247.959155] ? lock_downgrade+0x900/0x900 [ 247.963308] ? zap_class+0x640/0x640 [ 247.967027] ? zap_class+0x640/0x640 [ 247.970749] ? print_usage_bug+0xc0/0xc0 [ 247.974811] ? do_raw_spin_unlock+0xa7/0x330 [ 247.979218] ? trace_hardirqs_on+0x310/0x310 [ 247.983635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.989187] ? find_held_lock+0x36/0x1c0 [ 247.993258] ? mark_held_locks+0xc7/0x130 [ 247.997414] ? console_unlock+0xfcd/0x1160 [ 248.001653] ? netconsole_netdev_event+0x280/0x280 [ 248.006599] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 248.011194] ? trace_hardirqs_on+0xbd/0x310 [ 248.015518] ? vprintk_emit+0x33d/0x930 [ 248.019500] ? trace_hardirqs_off_caller+0x310/0x310 [ 248.024609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.030152] ? netconsole_netdev_event+0x280/0x280 [ 248.035084] ? console_unlock+0x8d8/0x1160 [ 248.039329] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 248.043995] ? vprintk_emit+0x7f7/0x930 [ 248.047985] ? lock_release+0xa00/0xa00 [ 248.051973] ? preempt_count_add+0xbc/0x1b0 [ 248.056299] ? wake_up_klogd+0x11a/0x180 [ 248.060361] ? console_device+0xc0/0xc0 [ 248.064339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.069885] ? vprintk_emit+0x268/0x930 [ 248.073864] ? wake_up_klogd+0x180/0x180 [ 248.077926] ? trace_hardirqs_on_caller+0xc0/0x310 [ 248.082862] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.087631] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.093086] ? retint_kernel+0x1b/0x2d [ 248.096971] ? trace_hardirqs_on+0x310/0x310 [ 248.101391] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.106175] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 248.110950] ? show_mem+0x1e/0x17b [ 248.114491] show_mem+0x34/0x17b [ 248.117876] dump_header+0x2f1/0xf72 [ 248.121596] ? mark_held_locks+0x130/0x130 [ 248.125835] ? pagefault_out_of_memory+0x197/0x197 [ 248.130775] ? __lock_acquire+0x62f/0x4c20 [ 248.135026] ? zap_class+0x640/0x640 [ 248.138747] ? percpu_ref_get_many+0x240/0x240 [ 248.143332] ? print_usage_bug+0xc0/0xc0 [ 248.147395] ? print_usage_bug+0xc0/0xc0 [ 248.151460] ? zap_class+0x640/0x640 [ 248.155198] ? print_usage_bug+0xc0/0xc0 [ 248.159260] ? print_usage_bug+0xc0/0xc0 [ 248.163333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.168880] ? find_held_lock+0x36/0x1c0 [ 248.172966] ? mark_held_locks+0xc7/0x130 [ 248.177122] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 248.182230] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 248.187338] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 248.191925] ? trace_hardirqs_on+0xbd/0x310 [ 248.196250] ? kasan_check_read+0x11/0x20 [ 248.200396] ? ___ratelimit+0x3b4/0x672 [ 248.204374] ? trace_hardirqs_off_caller+0x310/0x310 [ 248.209480] ? trace_hardirqs_on+0x310/0x310 [ 248.213886] ? lock_downgrade+0x900/0x900 [ 248.218081] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 248.223202] ? ___ratelimit+0x3b9/0x672 [ 248.227181] ? idr_get_free+0xec0/0xec0 [ 248.231155] ? kasan_check_read+0x11/0x20 [ 248.235317] ? do_raw_spin_unlock+0xa7/0x330 [ 248.239733] oom_kill_process.cold.27+0x10/0x903 [ 248.244491] ? zap_class+0x640/0x640 [ 248.248205] ? _raw_spin_unlock+0x2c/0x50 [ 248.252357] ? oom_badness+0xe6/0xaa0 [ 248.256164] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 248.261108] ? kasan_check_read+0x11/0x20 [ 248.265257] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 248.270559] ? oom_evaluate_task+0x540/0x540 [ 248.274973] ? find_held_lock+0x36/0x1c0 [ 248.279050] ? out_of_memory+0x974/0x1430 [ 248.283204] ? lock_downgrade+0x900/0x900 [ 248.287354] ? check_preemption_disabled+0x48/0x280 [ 248.292392] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 248.297349] ? kasan_check_read+0x11/0x20 [ 248.301498] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 248.306778] ? rcu_softirq_qs+0x20/0x20 [ 248.310779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.316337] ? oom_evaluate_task+0x302/0x540 [ 248.320752] out_of_memory+0xa84/0x1430 [ 248.324734] ? oom_killer_disable+0x3a0/0x3a0 [ 248.329231] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 248.334163] ? __mutex_add_waiter+0x2a0/0x2a0 [ 248.338683] __alloc_pages_slowpath+0x22d4/0x2d70 [ 248.343563] ? warn_alloc+0x120/0x120 [ 248.347363] ? rcu_softirq_qs+0x20/0x20 [ 248.351370] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.356906] ? should_fail+0x22d/0xd01 [ 248.360799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.365904] ? zap_class+0x640/0x640 [ 248.369639] ? __lock_is_held+0xb5/0x140 [ 248.373724] ? mark_held_locks+0x130/0x130 [ 248.377964] ? lock_release+0xa00/0xa00 [ 248.381953] ? perf_trace_sched_process_exec+0x860/0x860 [ 248.387416] ? __might_sleep+0x95/0x190 [ 248.391400] __alloc_pages_nodemask+0xa80/0xde0 [ 248.396112] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 248.401144] ? __page_cache_alloc+0x191/0x5c0 [ 248.405644] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 248.410579] ? kasan_check_read+0x11/0x20 [ 248.414729] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 248.420026] ? zap_class+0x640/0x640 [ 248.423749] ? zap_class+0x640/0x640 [ 248.427460] ? zap_class+0x640/0x640 [ 248.431173] ? __do_page_cache_readahead+0x7ce/0x980 [ 248.436288] ? find_held_lock+0x36/0x1c0 [ 248.440371] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 248.445918] alloc_pages_current+0x173/0x350 [ 248.450334] __page_cache_alloc+0x38c/0x5c0 [ 248.454667] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 248.459596] ? kasan_check_read+0x11/0x20 [ 248.463755] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 248.469044] ? generic_perform_write+0x6a0/0x6a0 [ 248.473802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.479347] ? check_preemption_disabled+0x48/0x280 [ 248.484373] filemap_fault+0x1594/0x25f0 [ 248.488450] ? __lock_page_or_retry+0xa00/0xa00 [ 248.493123] ? mark_held_locks+0x130/0x130 [ 248.497361] ? rcu_softirq_qs+0x20/0x20 [ 248.501350] ? filemap_map_pages+0xe04/0x1990 [ 248.505869] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 248.510804] ? futex_wait_setup+0x15c/0x3e0 [ 248.515143] ? zap_class+0x640/0x640 [ 248.518876] ? lock_acquire+0x1ed/0x520 [ 248.522852] ? alloc_set_pte+0x1447/0x1f40 [ 248.527105] ? lock_acquire+0x1ed/0x520 [ 248.531088] ? ext4_filemap_fault+0x7a/0xad [ 248.535416] ? lock_release+0xa00/0xa00 [ 248.539388] ? perf_trace_sched_process_exec+0x860/0x860 [ 248.544838] ? print_usage_bug+0xc0/0xc0 [ 248.548901] ? print_usage_bug+0xc0/0xc0 [ 248.552975] ? down_read+0x8d/0x120 [ 248.556598] ? ext4_filemap_fault+0x7a/0xad [ 248.560919] ? __down_interruptible+0x700/0x700 [ 248.565600] ext4_filemap_fault+0x82/0xad [ 248.569755] __do_fault+0x100/0x6b0 [ 248.573383] ? unlock_page+0x2c2/0x4c0 [ 248.577275] ? pmd_devmap_trans_unstable+0x220/0x220 [ 248.582383] ? mark_held_locks+0x130/0x130 [ 248.586624] ? mark_held_locks+0x130/0x130 [ 248.590862] ? do_raw_spin_trylock+0x270/0x270 [ 248.595459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.601006] __handle_mm_fault+0x307c/0x5920 [ 248.605446] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 248.610321] ? kasan_check_read+0x11/0x20 [ 248.614484] ? _copy_to_user+0xc8/0x110 [ 248.618480] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.624037] ? zap_class+0x640/0x640 [ 248.627781] ? zap_class+0x640/0x640 [ 248.631504] ? find_held_lock+0x36/0x1c0 [ 248.635576] ? handle_mm_fault+0x42a/0xc70 [ 248.639812] ? lock_downgrade+0x900/0x900 [ 248.643963] ? check_preemption_disabled+0x48/0x280 [ 248.649002] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 248.653939] ? kasan_check_read+0x11/0x20 [ 248.658092] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 248.663371] ? rcu_softirq_qs+0x20/0x20 [ 248.667346] ? trace_hardirqs_off_caller+0x310/0x310 [ 248.672461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.678002] ? check_preemption_disabled+0x48/0x280 [ 248.683046] handle_mm_fault+0x54f/0xc70 [ 248.687115] ? __handle_mm_fault+0x5920/0x5920 [ 248.691714] ? find_vma+0x34/0x190 [ 248.695266] __do_page_fault+0x5e8/0xe60 [ 248.699325] ? trace_hardirqs_off+0xb8/0x310 [ 248.703745] ? __ia32_sys_read+0xb0/0xb0 [ 248.707828] do_page_fault+0xf2/0x7e0 [ 248.711630] ? vmalloc_sync_all+0x30/0x30 [ 248.715786] ? error_entry+0x70/0xd0 [ 248.719520] ? trace_hardirqs_off_caller+0xbb/0x310 [ 248.724537] ? trace_hardirqs_on_caller+0xc0/0x310 [ 248.729473] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.734401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.739256] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.744272] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.749729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.755283] ? prepare_exit_to_usermode+0x291/0x3b0 [ 248.760303] ? page_fault+0x8/0x30 [ 248.763845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.768704] ? page_fault+0x8/0x30 [ 248.772248] page_fault+0x1e/0x30 [ 248.775700] RIP: 0033:0x4727a0 [ 248.778910] Code: Bad RIP value. [ 248.782278] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 248.787646] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 248.794920] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 248.802183] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 248.809536] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 248.816810] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 248.824107] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 248.824113] warn_alloc_show_mem: 1 callbacks suppressed [ 248.824132] Mem-Info: [ 248.831074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.836445] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 248.836445] active_file:12 inactive_file:13 isolated_file:0 [ 248.836445] unevictable:0 dirty:0 writeback:0 unstable:0 [ 248.836445] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 248.836445] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 248.836445] free:13771 free_pcp:124 free_cma:0 [ 248.838817] Call Trace: [ 248.848208] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 248.881062] [ 248.883632] Node 0 [ 248.911069] dump_stack+0x244/0x39d [ 248.913213] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 248.915424] ? dump_stack_print_info.cold.1+0x20/0x20 [ 248.919035] lowmem_reserve[]: [ 248.944545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.949714] 0 [ 248.952825] warn_alloc.cold.117+0xb7/0x1bd [ 248.958335] 2818 [ 248.960137] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.964435] 6321 [ 248.966498] ? lock_downgrade+0x900/0x900 [ 248.971325] 6321 [ 248.973389] ? trace_hardirqs_off+0xb8/0x310 [ 248.977514] Node 0 [ 248.979577] ? trace_hardirqs_off+0xb8/0x310 [ 248.983986] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 248.986203] __alloc_pages_slowpath+0x2660/0x2d70 [ 248.990583] lowmem_reserve[]: [ 249.017583] ? mark_held_locks+0x130/0x130 [ 249.022401] 0 [ 249.025509] ? warn_alloc+0x120/0x120 [ 249.029721] 0 [ 249.031523] ? warn_alloc+0x120/0x120 [ 249.035293] 3503 3503 [ 249.037102] ? print_usage_bug+0xc0/0xc0 [ 249.043377] ? warn_alloc+0x120/0x120 [ 249.047416] Node 0 [ 249.051213] ? print_usage_bug+0xc0/0xc0 [ 249.051244] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 249.051251] lowmem_reserve[]: [ 249.053487] ? print_usage_bug+0xc0/0xc0 [ 249.057535] 0 [ 249.085643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.088728] 0 [ 249.092788] ? should_fail+0x22d/0xd01 [ 249.094570] 0 [ 249.100104] ? __lock_acquire+0x62f/0x4c20 [ 249.101898] 0 [ 249.105794] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.111843] ? __lock_acquire+0x62f/0x4c20 [ 249.113628] Node 0 [ 249.118737] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.122949] DMA: [ 249.125181] ? __lock_acquire+0x62f/0x4c20 [ 249.130261] 1*4kB [ 249.132323] ? should_fail+0x22d/0xd01 [ 249.136535] (U) [ 249.138700] ? mark_held_locks+0x130/0x130 [ 249.142584] 0*8kB [ 249.144564] ? mark_held_locks+0x130/0x130 [ 249.148785] 0*16kB 1*32kB [ 249.150942] ? try_to_wake_up+0x10a/0x12e0 [ 249.155155] (U) [ 249.157995] ? lock_downgrade+0x900/0x900 [ 249.162211] 2*64kB [ 249.164183] ? lock_downgrade+0x900/0x900 [ 249.168310] (U) [ 249.170545] ? zap_class+0x640/0x640 [ 249.174676] 1*128kB [ 249.176649] ? print_usage_bug+0xc0/0xc0 [ 249.180352] (U) [ 249.182674] ? trace_hardirqs_off+0xb8/0x310 [ 249.186710] 1*256kB [ 249.188687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.193071] (U) [ 249.195392] ? check_preemption_disabled+0x48/0x280 [ 249.200901] 0*512kB 1*1024kB [ 249.202890] ? __lock_is_held+0xb5/0x140 [ 249.207880] (U) [ 249.210986] __alloc_pages_nodemask+0xa80/0xde0 [ 249.215043] 1*2048kB [ 249.217037] ? zap_class+0x640/0x640 [ 249.221685] (M) [ 249.224111] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 249.227804] 3*4096kB [ 249.229784] ? find_held_lock+0x36/0x1c0 [ 249.234774] (M) [ 249.237190] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.241217] = 15908kB [ 249.241226] Node 0 [ 249.243203] ? lock_downgrade+0x900/0x900 [ 249.247847] DMA32: [ 249.250258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.252473] 4*4kB [ 249.256619] cache_grow_begin+0xa5/0x8c0 [ 249.258831] (M) [ 249.264366] ? do_raw_spin_unlock+0xa7/0x330 [ 249.266508] 0*8kB [ 249.270566] fallback_alloc+0x204/0x2e0 [ 249.272515] 2*16kB (M) [ 249.276943] ____cache_alloc_node+0x1c7/0x1e0 [ 249.279086] 2*32kB [ 249.283097] kmem_cache_alloc_node+0xe3/0x730 [ 249.285659] (UM) [ 249.290153] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.292371] 4*64kB [ 249.296871] __alloc_skb+0x119/0x770 [ 249.298911] (UM) [ 249.303146] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 249.305355] 4*128kB [ 249.309066] ? netdev_alloc_frag+0x1f0/0x1f0 [ 249.311107] (M) [ 249.316382] ? lock_downgrade+0x900/0x900 [ 249.318684] 3*256kB [ 249.323088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.325055] (M) [ 249.329201] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.331501] 4*512kB [ 249.337064] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.339012] (UM) [ 249.344479] ? addrconf_rs_timer+0x690/0x690 [ 249.346786] 3*1024kB [ 249.352243] ndisc_alloc_skb+0x144/0x340 [ 249.354288] (UM) [ 249.358689] ndisc_send_rs+0x331/0x6e0 [ 249.361082] 3*2048kB [ 249.365138] addrconf_rs_timer+0x314/0x690 [ 249.367180] (UM) [ 249.371068] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.373456] 3*4096kB [ 249.377693] call_timer_fn+0x272/0x920 [ 249.379748] (M) [ 249.383992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.386381] = 25200kB [ 249.390260] ? process_timeout+0x40/0x40 [ 249.392223] Node 0 [ 249.396459] ? __run_timers+0x7da/0xc70 [ 249.398840] Normal: 786*4kB [ 249.402907] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.405122] (MEH) [ 249.409110] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.412110] 440*8kB [ 249.416599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.418730] (UMEH) [ 249.423222] ? lockdep_hardirqs_on+0x296/0x5b0 [ 249.425525] 141*16kB [ 249.429756] ? trace_hardirqs_on+0xbd/0x310 [ 249.431969] (MEH) [ 249.436568] ? kasan_check_read+0x11/0x20 [ 249.438956] 54*32kB [ 249.443271] ? __run_timers+0x7da/0xc70 [ 249.445394] (MEH) 14*64kB [ 249.449558] ? trace_hardirqs_off_caller+0x310/0x310 [ 249.451864] (UME) [ 249.456336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.459155] 1*128kB (H) [ 249.464266] __run_timers+0x7e5/0xc70 [ 249.466396] 1*256kB [ 249.470632] ? timer_fixup_init+0x70/0x70 [ 249.473272] (H) [ 249.477076] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 249.479395] 2*512kB [ 249.483535] ? zap_class+0x640/0x640 [ 249.485498] (H) [ 249.490510] ? enqueue_hrtimer+0x1a5/0x560 [ 249.492813] 1*1024kB [ 249.496519] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 249.498484] (U) [ 249.502713] ? find_held_lock+0x36/0x1c0 [ 249.505101] 0*2048kB [ 249.510284] ? zap_class+0x640/0x640 [ 249.512236] 0*4096kB = 13976kB [ 249.516308] ? pvclock_read_flags+0x160/0x160 [ 249.518703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 249.522409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.525583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 249.530076] ? check_preemption_disabled+0x48/0x280 [ 249.538887] 163 total pagecache pages [ 249.544425] ? __lock_is_held+0xb5/0x140 [ 249.552984] 0 pages in swap cache [ 249.557988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.562211] Swap cache stats: add 0, delete 0, find 0/0 [ 249.562221] Free swap = 0kB [ 249.566282] ? check_preemption_disabled+0x48/0x280 [ 249.569712] Total swap = 0kB [ 249.575253] run_timer_softirq+0x52/0xb0 [ 249.580595] 1965979 pages RAM [ 249.583614] ? rcu_read_lock_sched_held+0x14f/0x180 [ 249.588617] 0 pages HighMem/MovableOnly [ 249.591634] __do_softirq+0x308/0xb7e [ 249.595672] 342867 pages reserved [ 249.598776] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 249.603769] 0 pages cma reserved [ 249.607736] ? lock_downgrade+0x900/0x900 [ 249.611588] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 249.614957] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 249.614979] ? pvclock_read_flags+0x160/0x160 [ 249.615000] ? lapic_next_event+0x5a/0x90 [ 249.619566] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 249.622850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.626979] syz-fuzzer cpuset= [ 249.633478] ? kvm_clock_read+0x18/0x30 [ 249.638564] / [ 249.643058] ? kvm_sched_clock_read+0x9/0x20 [ 249.647185] mems_allowed=0 [ 249.657401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.684622] ? check_preemption_disabled+0x48/0x280 [ 249.689651] irq_exit+0x17f/0x1c0 [ 249.693104] smp_apic_timer_interrupt+0x1cb/0x760 [ 249.697946] ? smp_reschedule_interrupt+0x109/0x650 [ 249.702974] ? smp_call_function_single_interrupt+0x650/0x650 [ 249.708880] ? interrupt_entry+0xb5/0xc0 [ 249.712941] ? trace_hardirqs_off_caller+0xbb/0x310 [ 249.717969] ? trace_hardirqs_off_caller+0xbb/0x310 [ 249.722985] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.727838] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.732852] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.737869] ? task_prio+0x50/0x50 [ 249.741415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.746949] ? check_preemption_disabled+0x48/0x280 [ 249.751970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.756822] apic_timer_interrupt+0xf/0x20 [ 249.761054] [ 249.763298] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 249.769184] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 249.788083] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 249.795806] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 249.803070] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 249.810336] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 249.817604] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 249.824875] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 249.832194] ? save_stack+0xa9/0xd0 [ 249.835832] __kmalloc_node_track_caller+0x33/0x70 [ 249.840766] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 249.845530] pskb_expand_head+0x230/0x10f0 [ 249.849768] ? memcpy+0x45/0x50 [ 249.853066] ? __copy_skb_header+0x350/0x6b0 [ 249.857475] ? skb_release_data+0x880/0x880 [ 249.861806] ? __alloc_skb+0x770/0x770 [ 249.865703] ? __lock_is_held+0xb5/0x140 [ 249.869780] ? kasan_check_write+0x14/0x20 [ 249.874011] ? __skb_clone+0x6c7/0xa00 [ 249.877928] ? __copy_skb_header+0x6b0/0x6b0 [ 249.882339] ? kmem_cache_alloc+0x33a/0x730 [ 249.886662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.892237] skb_ensure_writable+0x3dd/0x640 [ 249.896651] ? skb_checksum_setup+0xaa0/0xaa0 [ 249.901148] ? check_preemption_disabled+0x48/0x280 [ 249.906168] ? __this_cpu_preempt_check+0x1c/0x20 [ 249.911037] ? __bpf_redirect+0x54b/0xb20 [ 249.915202] bpf_clone_redirect+0x14a/0x490 [ 249.919534] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 249.924562] ? __sched_text_start+0x8/0x8 [ 249.928711] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.933469] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 249.938068] ? retint_kernel+0x2d/0x2d [ 249.941963] ? find_held_lock+0x36/0x1c0 [ 249.946038] ? lock_acquire+0x1ed/0x520 [ 249.950047] ? bpf_test_run+0x3cb/0x780 [ 249.954062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.959604] ? check_preemption_disabled+0x48/0x280 [ 249.964640] ? kasan_check_read+0x11/0x20 [ 249.968792] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 249.974077] ? rcu_softirq_qs+0x20/0x20 [ 249.978061] ? preempt_schedule+0x4d/0x60 [ 249.982214] ? ___preempt_schedule+0x16/0x18 [ 249.986641] ? bpf_test_run+0x25d/0x780 [ 249.990627] ? netlink_diag_dump+0x2a0/0x2a0 [ 249.995051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.000590] ? bpf_test_init.isra.10+0x70/0x100 [ 250.005270] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 250.010061] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 250.014915] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 250.020453] ? fput+0x130/0x1a0 [ 250.023737] ? __bpf_prog_get+0x9b/0x290 [ 250.027800] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 250.032636] ? bpf_prog_test_run+0x130/0x1a0 [ 250.037079] ? __x64_sys_bpf+0x3d8/0x520 [ 250.041196] ? bpf_prog_get+0x20/0x20 [ 250.045022] ? do_syscall_64+0x1b9/0x820 [ 250.049091] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 250.054459] ? syscall_return_slowpath+0x5e0/0x5e0 [ 250.059393] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.064410] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 250.069432] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 250.076105] ? __switch_to_asm+0x40/0x70 [ 250.080165] ? __switch_to_asm+0x34/0x70 [ 250.084231] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.089088] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 250.094477] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 250.094594] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.101153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.101163] Call Trace: [ 250.107764] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.117003] [ 250.119586] syz-executor5 cpuset= [ 250.130069] dump_stack+0x244/0x39d [ 250.132197] syz5 [ 250.135657] ? dump_stack_print_info.cold.1+0x20/0x20 [ 250.139261] mems_allowed=0 [ 250.141235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.154878] warn_alloc.cold.117+0xb7/0x1bd [ 250.159204] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 250.164056] ? lock_downgrade+0x900/0x900 [ 250.168216] ? trace_hardirqs_off+0xb8/0x310 [ 250.172633] ? trace_hardirqs_off+0xb8/0x310 [ 250.177061] __alloc_pages_slowpath+0x2660/0x2d70 [ 250.181935] ? warn_alloc+0x120/0x120 [ 250.185741] ? warn_alloc+0x120/0x120 [ 250.189561] ? print_usage_bug+0xc0/0xc0 [ 250.193627] ? warn_alloc+0x120/0x120 [ 250.197431] ? print_usage_bug+0xc0/0xc0 [ 250.201496] ? __lock_acquire+0x62f/0x4c20 [ 250.205735] ? __lock_acquire+0x62f/0x4c20 [ 250.209973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.215509] ? should_fail+0x22d/0xd01 [ 250.219409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.224511] ? __lock_acquire+0x62f/0x4c20 [ 250.228767] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.233867] ? __lock_acquire+0x62f/0x4c20 [ 250.238102] ? should_fail+0x22d/0xd01 [ 250.241991] ? find_held_lock+0x36/0x1c0 [ 250.246083] ? mark_held_locks+0x130/0x130 [ 250.250322] ? mark_held_locks+0x130/0x130 [ 250.254588] ? zap_class+0x640/0x640 [ 250.258300] ? zap_class+0x640/0x640 [ 250.262027] ? print_usage_bug+0xc0/0xc0 [ 250.266103] ? do_raw_spin_unlock+0xa7/0x330 [ 250.270515] ? zap_class+0x640/0x640 [ 250.274246] ? print_usage_bug+0xc0/0xc0 [ 250.278307] ? wq_watchdog_touch+0x9c/0xfe [ 250.282548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.288100] ? check_preemption_disabled+0x48/0x280 [ 250.293130] ? __lock_is_held+0xb5/0x140 [ 250.297232] __alloc_pages_nodemask+0xa80/0xde0 [ 250.301900] ? zap_class+0x640/0x640 [ 250.305615] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 250.310642] ? find_held_lock+0x36/0x1c0 [ 250.314714] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.319383] ? lock_downgrade+0x900/0x900 [ 250.323560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.329110] cache_grow_begin+0xa5/0x8c0 [ 250.333176] ? do_raw_spin_unlock+0xa7/0x330 [ 250.337599] fallback_alloc+0x204/0x2e0 [ 250.341596] ____cache_alloc_node+0x1c7/0x1e0 [ 250.346095] kmem_cache_alloc_node+0xe3/0x730 [ 250.350588] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.354836] __alloc_skb+0x119/0x770 [ 250.358558] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 250.363835] ? netdev_alloc_frag+0x1f0/0x1f0 [ 250.368246] ? lock_downgrade+0x900/0x900 [ 250.372405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.377944] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.383404] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.388857] ? addrconf_rs_timer+0x690/0x690 [ 250.393277] ndisc_alloc_skb+0x144/0x340 [ 250.397343] ndisc_send_rs+0x331/0x6e0 [ 250.401239] addrconf_rs_timer+0x314/0x690 [ 250.405484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.409734] call_timer_fn+0x272/0x920 [ 250.413621] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.417858] ? process_timeout+0x40/0x40 [ 250.421932] ? mark_held_locks+0xc7/0x130 [ 250.426098] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.430594] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.435091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.439325] ? lockdep_hardirqs_on+0x296/0x5b0 [ 250.443913] ? trace_hardirqs_on+0xbd/0x310 [ 250.448266] ? kasan_check_read+0x11/0x20 [ 250.452416] ? __run_timers+0x7da/0xc70 [ 250.456393] ? trace_hardirqs_off_caller+0x310/0x310 [ 250.461503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.465757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.469995] __run_timers+0x7e5/0xc70 [ 250.473822] ? timer_fixup_init+0x70/0x70 [ 250.477969] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.482982] ? zap_class+0x640/0x640 [ 250.486723] ? print_usage_bug+0xc0/0xc0 [ 250.490789] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 250.495991] ? find_held_lock+0x36/0x1c0 [ 250.500073] ? zap_class+0x640/0x640 [ 250.503793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.509335] ? check_preemption_disabled+0x48/0x280 [ 250.514385] ? __lock_is_held+0xb5/0x140 [ 250.518448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.523994] ? check_preemption_disabled+0x48/0x280 [ 250.529064] run_timer_softirq+0x52/0xb0 [ 250.533130] ? rcu_read_lock_sched_held+0x14f/0x180 [ 250.538153] __do_softirq+0x308/0xb7e [ 250.541972] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 250.546466] ? lock_downgrade+0x900/0x900 [ 250.550618] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 250.555743] ? pvclock_read_flags+0x160/0x160 [ 250.560244] ? lapic_next_event+0x5a/0x90 [ 250.564414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.569955] ? kvm_clock_read+0x18/0x30 [ 250.573934] ? kvm_sched_clock_read+0x9/0x20 [ 250.578351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.583900] ? check_preemption_disabled+0x48/0x280 [ 250.588924] irq_exit+0x17f/0x1c0 [ 250.592380] smp_apic_timer_interrupt+0x1cb/0x760 [ 250.597227] ? smp_reschedule_interrupt+0x109/0x650 [ 250.602248] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.608134] ? interrupt_entry+0xb5/0xc0 [ 250.612202] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.617217] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.622236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.627101] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.632115] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.637131] ? task_prio+0x50/0x50 [ 250.640673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.646213] ? check_preemption_disabled+0x48/0x280 [ 250.651237] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.656098] apic_timer_interrupt+0xf/0x20 [ 250.660326] [ 250.662577] RIP: 0010:console_unlock+0xffa/0x1160 [ 250.667422] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 250.686324] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 250.694042] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 250.701311] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 250.708576] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 250.715845] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 250.723114] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 250.730390] ? netconsole_netdev_event+0x280/0x280 [ 250.735330] ? console_unlock+0xff1/0x1160 [ 250.739606] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 250.744279] ? lock_release+0xa00/0xa00 [ 250.748257] ? interrupt_entry+0xc0/0xc0 [ 250.752339] vprintk_emit+0x33d/0x930 [ 250.756180] ? wake_up_klogd+0x180/0x180 [ 250.760243] ? attach_entity_load_avg+0x810/0x860 [ 250.765084] ? __lock_acquire+0x600/0x4c20 [ 250.769322] ? mark_held_locks+0x130/0x130 [ 250.773558] ? print_usage_bug+0xc0/0xc0 [ 250.777625] ? find_held_lock+0x36/0x1c0 [ 250.781702] ? mark_held_locks+0xc7/0x130 [ 250.785881] vprintk_default+0x28/0x30 [ 250.789768] vprintk_func+0x7e/0x181 [ 250.793485] printk+0xa7/0xcf [ 250.796601] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 250.801387] show_free_areas.cold.118+0x1f34/0x215d [ 250.806438] ? si_meminfo_node+0x260/0x260 [ 250.810692] ? __lock_acquire+0x62f/0x4c20 [ 250.814945] ? __lock_acquire+0x62f/0x4c20 [ 250.819182] ? __lock_is_held+0xb5/0x140 [ 250.823261] ? mark_held_locks+0x130/0x130 [ 250.827502] ? zap_class+0x640/0x640 [ 250.831226] ? put_dec+0x3b/0xf0 [ 250.834617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.840166] ? find_held_lock+0x36/0x1c0 [ 250.844239] ? serial8250_console_write+0x8b3/0xb10 [ 250.849255] ? lock_downgrade+0x900/0x900 [ 250.853405] ? zap_class+0x640/0x640 [ 250.857118] ? zap_class+0x640/0x640 [ 250.860834] ? print_usage_bug+0xc0/0xc0 [ 250.864896] ? do_raw_spin_unlock+0xa7/0x330 [ 250.869321] ? trace_hardirqs_on+0x310/0x310 [ 250.873732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.879278] ? find_held_lock+0x36/0x1c0 [ 250.883348] ? mark_held_locks+0xc7/0x130 [ 250.887499] ? console_unlock+0xfcd/0x1160 [ 250.891739] ? netconsole_netdev_event+0x280/0x280 [ 250.896682] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 250.901267] ? trace_hardirqs_on+0xbd/0x310 [ 250.905593] ? vprintk_emit+0x33d/0x930 [ 250.909573] ? trace_hardirqs_off_caller+0x310/0x310 [ 250.914681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.920237] ? netconsole_netdev_event+0x280/0x280 [ 250.925172] ? console_unlock+0x8d8/0x1160 [ 250.929421] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 250.934090] ? vprintk_emit+0x7f7/0x930 [ 250.938066] ? lock_release+0xa00/0xa00 [ 250.942050] ? preempt_count_add+0xbc/0x1b0 [ 250.946375] ? wake_up_klogd+0x11a/0x180 [ 250.950435] ? console_device+0xc0/0xc0 [ 250.954412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.959969] ? vprintk_emit+0x268/0x930 [ 250.963950] ? wake_up_klogd+0x180/0x180 [ 250.968009] ? trace_hardirqs_on_caller+0xc0/0x310 [ 250.972952] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.977721] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.983173] ? retint_kernel+0x1b/0x2d [ 250.987067] ? trace_hardirqs_on+0x310/0x310 [ 250.991501] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.996279] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 251.001049] ? show_mem+0x1e/0x17b [ 251.004591] show_mem+0x34/0x17b [ 251.007963] dump_header+0x2f1/0xf72 [ 251.011686] ? mark_held_locks+0x130/0x130 [ 251.015920] ? pagefault_out_of_memory+0x197/0x197 [ 251.020857] ? __lock_acquire+0x62f/0x4c20 [ 251.025089] ? zap_class+0x640/0x640 [ 251.028809] ? percpu_ref_get_many+0x240/0x240 [ 251.033395] ? print_usage_bug+0xc0/0xc0 [ 251.037456] ? print_usage_bug+0xc0/0xc0 [ 251.041522] ? zap_class+0x640/0x640 [ 251.045241] ? print_usage_bug+0xc0/0xc0 [ 251.049306] ? print_usage_bug+0xc0/0xc0 [ 251.053381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.058933] ? find_held_lock+0x36/0x1c0 [ 251.063024] ? mark_held_locks+0xc7/0x130 [ 251.067183] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 251.072315] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 251.077422] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 251.082007] ? trace_hardirqs_on+0xbd/0x310 [ 251.086343] ? kasan_check_read+0x11/0x20 [ 251.090493] ? ___ratelimit+0x3b4/0x672 [ 251.094468] ? trace_hardirqs_off_caller+0x310/0x310 [ 251.099579] ? trace_hardirqs_on+0x310/0x310 [ 251.103999] ? lock_downgrade+0x900/0x900 [ 251.108179] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 251.113282] ? ___ratelimit+0x3b9/0x672 [ 251.117262] ? idr_get_free+0xec0/0xec0 [ 251.121234] ? kasan_check_read+0x11/0x20 [ 251.125386] ? do_raw_spin_unlock+0xa7/0x330 [ 251.129805] oom_kill_process.cold.27+0x10/0x903 [ 251.134567] ? zap_class+0x640/0x640 [ 251.138287] ? _raw_spin_unlock+0x2c/0x50 [ 251.142434] ? oom_badness+0xe6/0xaa0 [ 251.146244] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 251.151173] ? kasan_check_read+0x11/0x20 [ 251.155324] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 251.160605] ? oom_evaluate_task+0x540/0x540 [ 251.165026] ? find_held_lock+0x36/0x1c0 [ 251.169101] ? out_of_memory+0x974/0x1430 [ 251.173250] ? lock_downgrade+0x900/0x900 [ 251.177398] ? check_preemption_disabled+0x48/0x280 [ 251.182420] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 251.187372] ? kasan_check_read+0x11/0x20 [ 251.191534] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 251.196818] ? rcu_softirq_qs+0x20/0x20 [ 251.200811] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.206352] ? oom_evaluate_task+0x302/0x540 [ 251.210764] out_of_memory+0xa84/0x1430 [ 251.214744] ? oom_killer_disable+0x3a0/0x3a0 [ 251.219242] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 251.224176] ? __mutex_add_waiter+0x2a0/0x2a0 [ 251.228685] __alloc_pages_slowpath+0x22d4/0x2d70 [ 251.233564] ? warn_alloc+0x120/0x120 [ 251.237370] ? rcu_softirq_qs+0x20/0x20 [ 251.241372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.246912] ? should_fail+0x22d/0xd01 [ 251.250807] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.255911] ? zap_class+0x640/0x640 [ 251.259648] ? __lock_is_held+0xb5/0x140 [ 251.263721] ? mark_held_locks+0x130/0x130 [ 251.267961] ? lock_release+0xa00/0xa00 [ 251.271939] ? perf_trace_sched_process_exec+0x860/0x860 [ 251.277411] ? __might_sleep+0x95/0x190 [ 251.281394] __alloc_pages_nodemask+0xa80/0xde0 [ 251.286087] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 251.291108] ? __page_cache_alloc+0x191/0x5c0 [ 251.295602] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 251.300529] ? kasan_check_read+0x11/0x20 [ 251.304706] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 251.309987] ? zap_class+0x640/0x640 [ 251.313712] ? zap_class+0x640/0x640 [ 251.317425] ? zap_class+0x640/0x640 [ 251.321144] ? __do_page_cache_readahead+0x7ce/0x980 [ 251.326269] ? find_held_lock+0x36/0x1c0 [ 251.330344] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 251.335890] alloc_pages_current+0x173/0x350 [ 251.340303] __page_cache_alloc+0x38c/0x5c0 [ 251.344625] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 251.349565] ? kasan_check_read+0x11/0x20 [ 251.353754] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 251.359054] ? generic_perform_write+0x6a0/0x6a0 [ 251.363827] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.369364] ? check_preemption_disabled+0x48/0x280 [ 251.374390] filemap_fault+0x1594/0x25f0 [ 251.378466] ? __lock_page_or_retry+0xa00/0xa00 [ 251.383138] ? mark_held_locks+0x130/0x130 [ 251.387376] ? rcu_softirq_qs+0x20/0x20 [ 251.391365] ? filemap_map_pages+0xe04/0x1990 [ 251.395908] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 251.400872] ? futex_wait_setup+0x15c/0x3e0 [ 251.405196] ? zap_class+0x640/0x640 [ 251.408925] ? lock_acquire+0x1ed/0x520 [ 251.412929] ? alloc_set_pte+0x1447/0x1f40 [ 251.417178] ? lock_acquire+0x1ed/0x520 [ 251.421157] ? ext4_filemap_fault+0x7a/0xad [ 251.425490] ? lock_release+0xa00/0xa00 [ 251.429467] ? perf_trace_sched_process_exec+0x860/0x860 [ 251.434917] ? print_usage_bug+0xc0/0xc0 [ 251.438981] ? print_usage_bug+0xc0/0xc0 [ 251.443068] ? down_read+0x8d/0x120 [ 251.446692] ? ext4_filemap_fault+0x7a/0xad [ 251.451012] ? __down_interruptible+0x700/0x700 [ 251.455942] ext4_filemap_fault+0x82/0xad [ 251.460095] __do_fault+0x100/0x6b0 [ 251.463741] ? unlock_page+0x2c2/0x4c0 [ 251.467643] ? pmd_devmap_trans_unstable+0x220/0x220 [ 251.472746] ? mark_held_locks+0x130/0x130 [ 251.476984] ? mark_held_locks+0x130/0x130 [ 251.481227] ? do_raw_spin_trylock+0x270/0x270 [ 251.485818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.491370] __handle_mm_fault+0x307c/0x5920 [ 251.495786] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 251.500653] ? kasan_check_read+0x11/0x20 [ 251.504820] ? _copy_to_user+0xc8/0x110 [ 251.508798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.514345] ? zap_class+0x640/0x640 [ 251.518060] ? zap_class+0x640/0x640 [ 251.521777] ? find_held_lock+0x36/0x1c0 [ 251.525845] ? handle_mm_fault+0x42a/0xc70 [ 251.530082] ? lock_downgrade+0x900/0x900 [ 251.534231] ? check_preemption_disabled+0x48/0x280 [ 251.539252] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 251.544185] ? kasan_check_read+0x11/0x20 [ 251.548336] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 251.553614] ? rcu_softirq_qs+0x20/0x20 [ 251.557586] ? trace_hardirqs_off_caller+0x310/0x310 [ 251.563179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.568719] ? check_preemption_disabled+0x48/0x280 [ 251.573756] handle_mm_fault+0x54f/0xc70 [ 251.577826] ? __handle_mm_fault+0x5920/0x5920 [ 251.582415] ? find_vma+0x34/0x190 [ 251.585963] __do_page_fault+0x5e8/0xe60 [ 251.590042] ? trace_hardirqs_off+0xb8/0x310 [ 251.594451] ? __ia32_sys_read+0xb0/0xb0 [ 251.598533] do_page_fault+0xf2/0x7e0 [ 251.602338] ? vmalloc_sync_all+0x30/0x30 [ 251.606491] ? error_entry+0x70/0xd0 [ 251.610211] ? trace_hardirqs_off_caller+0xbb/0x310 [ 251.615233] ? trace_hardirqs_on_caller+0xc0/0x310 [ 251.620168] ? syscall_return_slowpath+0x5e0/0x5e0 [ 251.625098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.629939] ? trace_hardirqs_on_caller+0x310/0x310 [ 251.634955] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.640413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.645951] ? prepare_exit_to_usermode+0x291/0x3b0 [ 251.650970] ? page_fault+0x8/0x30 [ 251.654513] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.659363] ? page_fault+0x8/0x30 [ 251.662908] page_fault+0x1e/0x30 [ 251.666362] RIP: 0033:0x4727a0 [ 251.669573] Code: Bad RIP value. [ 251.672935] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 251.678297] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 251.685568] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 251.692834] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 251.700099] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 251.707365] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 251.714653] warn_alloc_show_mem: 1 callbacks suppressed [ 251.714665] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 251.714667] Mem-Info: [ 251.714698] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 251.714698] active_file:12 inactive_file:13 isolated_file:0 [ 251.714698] unevictable:0 dirty:0 writeback:0 unstable:0 [ 251.714698] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 251.714698] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 251.714698] free:13771 free_pcp:124 free_cma:0 [ 251.720053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.726983] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 251.729381] Call Trace: [ 251.762251] Node 0 [ 251.771596] [ 251.799027] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 251.801592] dump_stack+0x244/0x39d [ 251.803805] lowmem_reserve[]: [ 251.805950] ? dump_stack_print_info.cold.1+0x20/0x20 [ 251.831426] 0 2818 [ 251.835069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.838149] 6321 [ 251.843340] warn_alloc.cold.117+0xb7/0x1bd [ 251.845564] 6321 [ 251.851096] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.857456] ? lock_downgrade+0x900/0x900 [ 251.859494] Node 0 [ 251.864334] ? trace_hardirqs_off+0xb8/0x310 [ 251.868510] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 251.870722] ? trace_hardirqs_off+0xb8/0x310 [ 251.875110] lowmem_reserve[]: [ 251.902087] __alloc_pages_slowpath+0x2660/0x2d70 [ 251.906486] 0 [ 251.909607] ? warn_alloc+0x120/0x120 [ 251.914415] 0 3503 [ 251.916235] ? warn_alloc+0x120/0x120 [ 251.920038] 3503 [ 251.922279] ? print_usage_bug+0xc0/0xc0 [ 251.928117] ? warn_alloc+0x120/0x120 [ 251.932158] Node 0 [ 251.935956] ? print_usage_bug+0xc0/0xc0 [ 251.935986] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 251.935993] lowmem_reserve[]: [ 251.938234] ? __lock_acquire+0x62f/0x4c20 [ 251.942266] 0 0 [ 251.971081] ? __lock_acquire+0x62f/0x4c20 [ 251.974167] 0 [ 251.978401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.980348] 0 [ 251.984593] ? should_fail+0x22d/0xd01 [ 251.986372] Node 0 [ 251.991934] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 251.993709] DMA: [ 251.997627] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.999865] 1*4kB [ 252.005136] ? __lock_acquire+0x62f/0x4c20 [ 252.007179] (U) [ 252.012279] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.014419] 0*8kB [ 252.018650] ? __lock_acquire+0x62f/0x4c20 [ 252.020602] 0*16kB [ 252.025697] ? should_fail+0x22d/0xd01 [ 252.027819] 1*32kB (U) [ 252.032069] ? rcu_irq_exit+0x1a2/0x390 [ 252.034286] 2*64kB [ 252.038173] ? mark_held_locks+0x130/0x130 [ 252.040733] (U) [ 252.044701] ? mark_held_locks+0x130/0x130 [ 252.046915] 1*128kB (U) [ 252.051172] ? mark_held_locks+0xc7/0x130 [ 252.053130] 1*256kB [ 252.057363] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 252.060009] (U) [ 252.064165] ? zap_class+0x640/0x640 [ 252.066487] 0*512kB [ 252.071523] ? print_usage_bug+0xc0/0xc0 [ 252.073477] 1*1024kB [ 252.077188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.079660] (U) [ 252.083719] ? check_preemption_disabled+0x48/0x280 [ 252.086110] 1*2048kB [ 252.091663] ? __lock_is_held+0xb5/0x140 [ 252.093610] (M) [ 252.098663] __alloc_pages_nodemask+0xa80/0xde0 [ 252.101045] 3*4096kB (M) [ 252.105112] ? zap_class+0x640/0x640 [ 252.107071] = 15908kB [ 252.111745] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 252.114494] Node 0 [ 252.118213] ? find_held_lock+0x36/0x1c0 [ 252.120595] DMA32: [ 252.125615] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.127823] 4*4kB [ 252.131875] ? lock_downgrade+0x900/0x900 [ 252.134092] (M) [ 252.138765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.140887] 0*8kB [ 252.145047] cache_grow_begin+0xa5/0x8c0 [ 252.146999] 2*16kB [ 252.152537] ? do_raw_spin_unlock+0xa7/0x330 [ 252.154676] (M) [ 252.158737] fallback_alloc+0x204/0x2e0 [ 252.160944] 2*32kB (UM) [ 252.165367] ____cache_alloc_node+0x1c7/0x1e0 [ 252.167323] 4*64kB [ 252.171293] kmem_cache_alloc_node+0xe3/0x730 [ 252.173942] (UM) [ 252.178433] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.180652] 4*128kB [ 252.185146] __alloc_skb+0x119/0x770 [ 252.187180] (M) [ 252.191416] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 252.193728] 3*256kB [ 252.197436] ? netdev_alloc_frag+0x1f0/0x1f0 [ 252.199393] (M) [ 252.204665] ? lock_downgrade+0x900/0x900 [ 252.206967] 4*512kB [ 252.211375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.213326] (UM) [ 252.217472] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.219793] 3*1024kB (UM) [ 252.225335] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.227384] 3*2048kB [ 252.232829] ? addrconf_rs_timer+0x690/0x690 [ 252.235652] (UM) [ 252.241107] ndisc_alloc_skb+0x144/0x340 [ 252.243492] 3*4096kB [ 252.247896] ndisc_send_rs+0x331/0x6e0 [ 252.249949] (M) [ 252.254005] addrconf_rs_timer+0x314/0x690 [ 252.256417] = 25200kB [ 252.260298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.262258] Node 0 [ 252.266497] call_timer_fn+0x272/0x920 [ 252.268880] Normal: [ 252.273107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.275328] 786*4kB [ 252.279223] ? process_timeout+0x40/0x40 [ 252.281531] (MEH) [ 252.285777] ? __run_timers+0x7da/0xc70 [ 252.288072] 440*8kB [ 252.292128] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.294268] (UMEH) [ 252.298242] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.300569] 141*16kB [ 252.305057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.307296] (MEH) [ 252.311786] ? lockdep_hardirqs_on+0x296/0x5b0 [ 252.314174] 54*32kB [ 252.318402] ? trace_hardirqs_on+0xbd/0x310 [ 252.320540] (MEH) [ 252.325116] ? kasan_check_read+0x11/0x20 [ 252.327420] 14*64kB [ 252.331734] ? __run_timers+0x7da/0xc70 [ 252.333867] (UME) [ 252.338025] ? trace_hardirqs_off_caller+0x310/0x310 [ 252.340332] 1*128kB [ 252.344316] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.346443] (H) [ 252.351541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.354042] 1*256kB [ 252.358279] __run_timers+0x7e5/0xc70 [ 252.360236] (H) [ 252.364475] ? timer_fixup_init+0x70/0x70 [ 252.366772] 2*512kB [ 252.370568] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 252.372525] (H) [ 252.376681] ? zap_class+0x640/0x640 [ 252.378979] 1*1024kB (U) [ 252.384005] ? enqueue_hrtimer+0x1a5/0x560 [ 252.385977] 0*2048kB [ 252.389697] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 252.392437] 0*4096kB [ 252.396683] ? find_held_lock+0x36/0x1c0 [ 252.399070] = 13976kB [ 252.404253] ? zap_class+0x640/0x640 [ 252.406650] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 252.410705] ? pvclock_read_flags+0x160/0x160 [ 252.413101] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 252.416824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.425634] 163 total pagecache pages [ 252.430139] ? check_preemption_disabled+0x48/0x280 [ 252.438696] 0 pages in swap cache [ 252.444224] ? __lock_is_held+0xb5/0x140 [ 252.448002] Swap cache stats: add 0, delete 0, find 0/0 [ 252.453047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.456486] Free swap = 0kB [ 252.460540] ? check_preemption_disabled+0x48/0x280 [ 252.465889] Total swap = 0kB [ 252.471418] run_timer_softirq+0x52/0xb0 [ 252.474417] 1965979 pages RAM [ 252.479429] ? rcu_read_lock_sched_held+0x14f/0x180 [ 252.482440] 0 pages HighMem/MovableOnly [ 252.486524] __do_softirq+0x308/0xb7e [ 252.489614] 342867 pages reserved [ 252.494626] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 252.498579] 0 pages cma reserved [ 252.502385] ? lock_downgrade+0x900/0x900 [ 252.505886] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.510298] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 252.513703] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.517782] ? pvclock_read_flags+0x160/0x160 [ 252.524253] syz-fuzzer cpuset= [ 252.529357] ? lapic_next_event+0x5a/0x90 [ 252.539556] / [ 252.544060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.547227] mems_allowed=0 [ 252.551368] ? kvm_clock_read+0x18/0x30 [ 252.565470] ? kvm_sched_clock_read+0x9/0x20 [ 252.569892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.575428] ? check_preemption_disabled+0x48/0x280 [ 252.580451] irq_exit+0x17f/0x1c0 [ 252.583903] smp_apic_timer_interrupt+0x1cb/0x760 [ 252.588746] ? smp_reschedule_interrupt+0x109/0x650 [ 252.593765] ? smp_call_function_single_interrupt+0x650/0x650 [ 252.599667] ? interrupt_entry+0xb5/0xc0 [ 252.603733] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.608751] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.613782] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.618624] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.623653] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.628681] ? task_prio+0x50/0x50 [ 252.632244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.637778] ? check_preemption_disabled+0x48/0x280 [ 252.642796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.647644] apic_timer_interrupt+0xf/0x20 [ 252.651873] [ 252.654111] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 252.660009] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 252.678922] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 252.686635] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 252.693901] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 252.701169] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 252.708434] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 252.715701] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 252.722994] ? save_stack+0xa9/0xd0 [ 252.726637] __kmalloc_node_track_caller+0x33/0x70 [ 252.732117] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 252.736882] pskb_expand_head+0x230/0x10f0 [ 252.741124] ? memcpy+0x45/0x50 [ 252.744407] ? __copy_skb_header+0x350/0x6b0 [ 252.748826] ? skb_release_data+0x880/0x880 [ 252.753151] ? __alloc_skb+0x770/0x770 [ 252.757059] ? __lock_is_held+0xb5/0x140 [ 252.761128] ? kasan_check_write+0x14/0x20 [ 252.765372] ? __skb_clone+0x6c7/0xa00 [ 252.770127] ? __copy_skb_header+0x6b0/0x6b0 [ 252.774715] ? kmem_cache_alloc+0x33a/0x730 [ 252.779052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.784600] skb_ensure_writable+0x3dd/0x640 [ 252.789024] ? skb_checksum_setup+0xaa0/0xaa0 [ 252.793530] ? check_preemption_disabled+0x48/0x280 [ 252.798552] ? __this_cpu_preempt_check+0x1c/0x20 [ 252.803405] ? __bpf_redirect+0x54b/0xb20 [ 252.807586] bpf_clone_redirect+0x14a/0x490 [ 252.811926] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 252.816947] ? __sched_text_start+0x8/0x8 [ 252.821096] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 252.825853] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 252.830434] ? retint_kernel+0x2d/0x2d [ 252.834329] ? find_held_lock+0x36/0x1c0 [ 252.838398] ? lock_acquire+0x1ed/0x520 [ 252.842373] ? bpf_test_run+0x3cb/0x780 [ 252.846367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.851904] ? check_preemption_disabled+0x48/0x280 [ 252.856922] ? kasan_check_read+0x11/0x20 [ 252.861082] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 252.866376] ? rcu_softirq_qs+0x20/0x20 [ 252.870347] ? preempt_schedule+0x4d/0x60 [ 252.874491] ? ___preempt_schedule+0x16/0x18 [ 252.878919] ? bpf_test_run+0x25d/0x780 [ 252.882902] ? netlink_diag_dump+0x2a0/0x2a0 [ 252.887318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.892854] ? bpf_test_init.isra.10+0x70/0x100 [ 252.897530] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 252.902325] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 252.907166] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 252.912706] ? fput+0x130/0x1a0 [ 252.915988] ? __bpf_prog_get+0x9b/0x290 [ 252.920087] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 252.924931] ? bpf_prog_test_run+0x130/0x1a0 [ 252.929344] ? __x64_sys_bpf+0x3d8/0x520 [ 252.933409] ? bpf_prog_get+0x20/0x20 [ 252.937229] ? do_syscall_64+0x1b9/0x820 [ 252.941293] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 252.946672] ? syscall_return_slowpath+0x5e0/0x5e0 [ 252.951607] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.956625] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 252.961644] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 252.968308] ? __switch_to_asm+0x40/0x70 [ 252.972370] ? __switch_to_asm+0x34/0x70 [ 252.976435] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.981288] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.986671] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 252.986755] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.993346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.993355] Call Trace: [ 252.999933] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 253.009188] [ 253.011760] syz-executor5 cpuset= [ 253.022237] dump_stack+0x244/0x39d [ 253.024363] syz5 [ 253.027810] ? dump_stack_print_info.cold.1+0x20/0x20 [ 253.031417] mems_allowed=0 [ 253.033391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.047041] warn_alloc.cold.117+0xb7/0x1bd [ 253.051395] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.056244] ? lock_downgrade+0x900/0x900 [ 253.060400] ? trace_hardirqs_off+0xb8/0x310 [ 253.064817] ? trace_hardirqs_off+0xb8/0x310 [ 253.069239] __alloc_pages_slowpath+0x2660/0x2d70 [ 253.074115] ? warn_alloc+0x120/0x120 [ 253.077923] ? warn_alloc+0x120/0x120 [ 253.081743] ? print_usage_bug+0xc0/0xc0 [ 253.085821] ? warn_alloc+0x120/0x120 [ 253.089623] ? print_usage_bug+0xc0/0xc0 [ 253.093684] ? __lock_acquire+0x62f/0x4c20 [ 253.097919] ? __lock_acquire+0x62f/0x4c20 [ 253.102166] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.107716] ? should_fail+0x22d/0xd01 [ 253.111607] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.116710] ? __lock_acquire+0x62f/0x4c20 [ 253.120954] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.126061] ? __lock_acquire+0x62f/0x4c20 [ 253.130293] ? should_fail+0x22d/0xd01 [ 253.134184] ? find_held_lock+0x36/0x1c0 [ 253.138257] ? mark_held_locks+0x130/0x130 [ 253.142501] ? mark_held_locks+0x130/0x130 [ 253.146734] ? zap_class+0x640/0x640 [ 253.150449] ? zap_class+0x640/0x640 [ 253.154205] ? print_usage_bug+0xc0/0xc0 [ 253.158274] ? do_raw_spin_unlock+0xa7/0x330 [ 253.162684] ? zap_class+0x640/0x640 [ 253.166398] ? print_usage_bug+0xc0/0xc0 [ 253.170461] ? wq_watchdog_touch+0x9c/0xfe [ 253.174704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.180241] ? check_preemption_disabled+0x48/0x280 [ 253.185267] ? __lock_is_held+0xb5/0x140 [ 253.189340] __alloc_pages_nodemask+0xa80/0xde0 [ 253.194028] ? zap_class+0x640/0x640 [ 253.197760] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 253.202787] ? find_held_lock+0x36/0x1c0 [ 253.206860] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.211535] ? lock_downgrade+0x900/0x900 [ 253.215697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.221240] cache_grow_begin+0xa5/0x8c0 [ 253.225303] ? do_raw_spin_unlock+0xa7/0x330 [ 253.229724] fallback_alloc+0x204/0x2e0 [ 253.233717] ____cache_alloc_node+0x1c7/0x1e0 [ 253.238221] kmem_cache_alloc_node+0xe3/0x730 [ 253.242752] ? ipv6_get_ifaddr+0x42e/0x620 [ 253.247008] __alloc_skb+0x119/0x770 [ 253.250745] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 253.256036] ? netdev_alloc_frag+0x1f0/0x1f0 [ 253.260451] ? lock_downgrade+0x900/0x900 [ 253.264611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.270155] ? refcount_sub_and_test_checked+0x203/0x310 [ 253.275613] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 253.281068] ? addrconf_rs_timer+0x690/0x690 [ 253.285492] ndisc_alloc_skb+0x144/0x340 [ 253.289561] ndisc_send_rs+0x331/0x6e0 [ 253.293467] addrconf_rs_timer+0x314/0x690 [ 253.297722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.301971] call_timer_fn+0x272/0x920 [ 253.305882] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.310151] ? process_timeout+0x40/0x40 [ 253.314227] ? mark_held_locks+0xc7/0x130 [ 253.318383] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.322881] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.327374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.331611] ? lockdep_hardirqs_on+0x296/0x5b0 [ 253.336224] ? trace_hardirqs_on+0xbd/0x310 [ 253.340556] ? kasan_check_read+0x11/0x20 [ 253.344706] ? __run_timers+0x7da/0xc70 [ 253.348683] ? trace_hardirqs_off_caller+0x310/0x310 [ 253.353789] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.358041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.362321] __run_timers+0x7e5/0xc70 [ 253.366141] ? timer_fixup_init+0x70/0x70 [ 253.370294] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 253.375321] ? zap_class+0x640/0x640 [ 253.379046] ? print_usage_bug+0xc0/0xc0 [ 253.383113] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 253.388310] ? find_held_lock+0x36/0x1c0 [ 253.392376] ? zap_class+0x640/0x640 [ 253.396100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.401638] ? check_preemption_disabled+0x48/0x280 [ 253.406667] ? __lock_is_held+0xb5/0x140 [ 253.410734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.416276] ? check_preemption_disabled+0x48/0x280 [ 253.421302] run_timer_softirq+0x52/0xb0 [ 253.425389] ? rcu_read_lock_sched_held+0x14f/0x180 [ 253.430404] __do_softirq+0x308/0xb7e [ 253.434212] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 253.438704] ? lock_downgrade+0x900/0x900 [ 253.442856] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 253.447966] ? pvclock_read_flags+0x160/0x160 [ 253.452464] ? lapic_next_event+0x5a/0x90 [ 253.456814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.462362] ? kvm_clock_read+0x18/0x30 [ 253.466335] ? kvm_sched_clock_read+0x9/0x20 [ 253.470745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.476280] ? check_preemption_disabled+0x48/0x280 [ 253.481306] irq_exit+0x17f/0x1c0 [ 253.484761] smp_apic_timer_interrupt+0x1cb/0x760 [ 253.489598] ? smp_reschedule_interrupt+0x109/0x650 [ 253.494612] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.500525] ? interrupt_entry+0xb5/0xc0 [ 253.504591] ? trace_hardirqs_off_caller+0xbb/0x310 [ 253.509620] ? trace_hardirqs_off_caller+0xbb/0x310 [ 253.514653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.519499] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.524516] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.529549] ? task_prio+0x50/0x50 [ 253.533093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.538642] ? check_preemption_disabled+0x48/0x280 [ 253.543662] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.548509] apic_timer_interrupt+0xf/0x20 [ 253.552751] [ 253.554990] RIP: 0010:console_unlock+0xffa/0x1160 [ 253.559845] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 253.579225] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 253.586937] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 253.594202] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 253.601472] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 253.608750] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 253.616026] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 253.623311] ? netconsole_netdev_event+0x280/0x280 [ 253.628257] ? console_unlock+0xff1/0x1160 [ 253.632514] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 253.637205] ? lock_release+0xa00/0xa00 [ 253.641194] ? interrupt_entry+0xc0/0xc0 [ 253.645271] vprintk_emit+0x33d/0x930 [ 253.649076] ? wake_up_klogd+0x180/0x180 [ 253.653156] ? attach_entity_load_avg+0x810/0x860 [ 253.657996] ? __lock_acquire+0x600/0x4c20 [ 253.662239] ? mark_held_locks+0x130/0x130 [ 253.666471] ? print_usage_bug+0xc0/0xc0 [ 253.670548] ? find_held_lock+0x36/0x1c0 [ 253.674620] ? mark_held_locks+0xc7/0x130 [ 253.678770] vprintk_default+0x28/0x30 [ 253.682657] vprintk_func+0x7e/0x181 [ 253.686372] printk+0xa7/0xcf [ 253.689493] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 253.694270] show_free_areas.cold.118+0x1f34/0x215d [ 253.699314] ? si_meminfo_node+0x260/0x260 [ 253.703563] ? __lock_acquire+0x62f/0x4c20 [ 253.707797] ? __lock_acquire+0x62f/0x4c20 [ 253.712036] ? __lock_is_held+0xb5/0x140 [ 253.716113] ? mark_held_locks+0x130/0x130 [ 253.720357] ? zap_class+0x640/0x640 [ 253.724075] ? put_dec+0x3b/0xf0 [ 253.727455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.732991] ? find_held_lock+0x36/0x1c0 [ 253.737068] ? serial8250_console_write+0x8b3/0xb10 [ 253.742088] ? lock_downgrade+0x900/0x900 [ 253.746243] ? zap_class+0x640/0x640 [ 253.749963] ? zap_class+0x640/0x640 [ 253.753672] ? print_usage_bug+0xc0/0xc0 [ 253.757732] ? do_raw_spin_unlock+0xa7/0x330 [ 253.762139] ? trace_hardirqs_on+0x310/0x310 [ 253.766554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.772100] ? find_held_lock+0x36/0x1c0 [ 253.776169] ? mark_held_locks+0xc7/0x130 [ 253.780318] ? console_unlock+0xfcd/0x1160 [ 253.784556] ? netconsole_netdev_event+0x280/0x280 [ 253.789487] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 253.794071] ? trace_hardirqs_on+0xbd/0x310 [ 253.798392] ? vprintk_emit+0x33d/0x930 [ 253.802364] ? trace_hardirqs_off_caller+0x310/0x310 [ 253.807483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.813031] ? netconsole_netdev_event+0x280/0x280 [ 253.817965] ? console_unlock+0x8d8/0x1160 [ 253.822214] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 253.826878] ? vprintk_emit+0x7f7/0x930 [ 253.830856] ? lock_release+0xa00/0xa00 [ 253.834834] ? preempt_count_add+0xbc/0x1b0 [ 253.839154] ? wake_up_klogd+0x11a/0x180 [ 253.843215] ? console_device+0xc0/0xc0 [ 253.847194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.852738] ? vprintk_emit+0x268/0x930 [ 253.856714] ? wake_up_klogd+0x180/0x180 [ 253.860773] ? trace_hardirqs_on_caller+0xc0/0x310 [ 253.865705] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.870467] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.875920] ? retint_kernel+0x1b/0x2d [ 253.879812] ? trace_hardirqs_on+0x310/0x310 [ 253.884233] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.889032] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 253.893797] ? show_mem+0x1e/0x17b [ 253.897341] show_mem+0x34/0x17b [ 253.900715] dump_header+0x2f1/0xf72 [ 253.904449] ? mark_held_locks+0x130/0x130 [ 253.908700] ? pagefault_out_of_memory+0x197/0x197 [ 253.913640] ? __lock_acquire+0x62f/0x4c20 [ 253.917874] ? zap_class+0x640/0x640 [ 253.921604] ? percpu_ref_get_many+0x240/0x240 [ 253.926186] ? print_usage_bug+0xc0/0xc0 [ 253.930248] ? print_usage_bug+0xc0/0xc0 [ 253.934315] ? zap_class+0x640/0x640 [ 253.938041] ? print_usage_bug+0xc0/0xc0 [ 253.942100] ? print_usage_bug+0xc0/0xc0 [ 253.946165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.951706] ? find_held_lock+0x36/0x1c0 [ 253.955776] ? mark_held_locks+0xc7/0x130 [ 253.959923] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 253.965035] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 253.970143] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 253.974728] ? trace_hardirqs_on+0xbd/0x310 [ 253.979054] ? kasan_check_read+0x11/0x20 [ 253.983200] ? ___ratelimit+0x3b4/0x672 [ 253.987192] ? trace_hardirqs_off_caller+0x310/0x310 [ 253.992310] ? trace_hardirqs_on+0x310/0x310 [ 253.996717] ? lock_downgrade+0x900/0x900 [ 254.000869] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 254.005972] ? ___ratelimit+0x3b9/0x672 [ 254.009948] ? idr_get_free+0xec0/0xec0 [ 254.013929] ? kasan_check_read+0x11/0x20 [ 254.018088] ? do_raw_spin_unlock+0xa7/0x330 [ 254.022507] oom_kill_process.cold.27+0x10/0x903 [ 254.027281] ? zap_class+0x640/0x640 [ 254.031012] ? _raw_spin_unlock+0x2c/0x50 [ 254.035169] ? oom_badness+0xe6/0xaa0 [ 254.038986] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 254.043918] ? kasan_check_read+0x11/0x20 [ 254.048086] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 254.053359] ? oom_evaluate_task+0x540/0x540 [ 254.057768] ? find_held_lock+0x36/0x1c0 [ 254.061835] ? out_of_memory+0x974/0x1430 [ 254.065983] ? lock_downgrade+0x900/0x900 [ 254.070135] ? check_preemption_disabled+0x48/0x280 [ 254.075156] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 254.080087] ? kasan_check_read+0x11/0x20 [ 254.084241] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 254.089521] ? rcu_softirq_qs+0x20/0x20 [ 254.093508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.099060] ? oom_evaluate_task+0x302/0x540 [ 254.103477] out_of_memory+0xa84/0x1430 [ 254.107460] ? oom_killer_disable+0x3a0/0x3a0 [ 254.111955] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 254.116887] ? __mutex_add_waiter+0x2a0/0x2a0 [ 254.121398] __alloc_pages_slowpath+0x22d4/0x2d70 [ 254.126331] ? warn_alloc+0x120/0x120 [ 254.130132] ? rcu_softirq_qs+0x20/0x20 [ 254.134151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.139685] ? should_fail+0x22d/0xd01 [ 254.143576] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.148676] ? zap_class+0x640/0x640 [ 254.152419] ? __lock_is_held+0xb5/0x140 [ 254.156509] ? mark_held_locks+0x130/0x130 [ 254.160748] ? lock_release+0xa00/0xa00 [ 254.164724] ? perf_trace_sched_process_exec+0x860/0x860 [ 254.170186] ? __might_sleep+0x95/0x190 [ 254.174167] __alloc_pages_nodemask+0xa80/0xde0 [ 254.178859] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 254.183888] ? __page_cache_alloc+0x191/0x5c0 [ 254.188386] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 254.193314] ? kasan_check_read+0x11/0x20 [ 254.197465] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 254.202745] ? zap_class+0x640/0x640 [ 254.206466] ? zap_class+0x640/0x640 [ 254.210176] ? zap_class+0x640/0x640 [ 254.213903] ? __do_page_cache_readahead+0x7ce/0x980 [ 254.219010] ? find_held_lock+0x36/0x1c0 [ 254.223089] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 254.228631] alloc_pages_current+0x173/0x350 [ 254.233054] __page_cache_alloc+0x38c/0x5c0 [ 254.237375] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 254.242300] ? kasan_check_read+0x11/0x20 [ 254.246446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 254.251723] ? generic_perform_write+0x6a0/0x6a0 [ 254.256477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.262011] ? check_preemption_disabled+0x48/0x280 [ 254.267049] filemap_fault+0x1594/0x25f0 [ 254.271131] ? __lock_page_or_retry+0xa00/0xa00 [ 254.275801] ? mark_held_locks+0x130/0x130 [ 254.280052] ? rcu_softirq_qs+0x20/0x20 [ 254.284064] ? filemap_map_pages+0xe04/0x1990 [ 254.288609] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 254.293551] ? futex_wait_setup+0x15c/0x3e0 [ 254.297875] ? zap_class+0x640/0x640 [ 254.301598] ? lock_acquire+0x1ed/0x520 [ 254.305578] ? alloc_set_pte+0x1447/0x1f40 [ 254.309833] ? lock_acquire+0x1ed/0x520 [ 254.313818] ? ext4_filemap_fault+0x7a/0xad [ 254.318144] ? lock_release+0xa00/0xa00 [ 254.322118] ? perf_trace_sched_process_exec+0x860/0x860 [ 254.327572] ? print_usage_bug+0xc0/0xc0 [ 254.331634] ? print_usage_bug+0xc0/0xc0 [ 254.335706] ? down_read+0x8d/0x120 [ 254.339329] ? ext4_filemap_fault+0x7a/0xad [ 254.343651] ? __down_interruptible+0x700/0x700 [ 254.348327] ext4_filemap_fault+0x82/0xad [ 254.352477] __do_fault+0x100/0x6b0 [ 254.356116] ? unlock_page+0x2c2/0x4c0 [ 254.360042] ? pmd_devmap_trans_unstable+0x220/0x220 [ 254.365169] ? mark_held_locks+0x130/0x130 [ 254.369409] ? mark_held_locks+0x130/0x130 [ 254.373648] ? do_raw_spin_trylock+0x270/0x270 [ 254.378241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.383797] __handle_mm_fault+0x307c/0x5920 [ 254.388215] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 254.393063] ? kasan_check_read+0x11/0x20 [ 254.397218] ? _copy_to_user+0xc8/0x110 [ 254.401200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.406752] ? zap_class+0x640/0x640 [ 254.410465] ? zap_class+0x640/0x640 [ 254.414186] ? find_held_lock+0x36/0x1c0 [ 254.418261] ? handle_mm_fault+0x42a/0xc70 [ 254.422495] ? lock_downgrade+0x900/0x900 [ 254.426643] ? check_preemption_disabled+0x48/0x280 [ 254.431663] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 254.436591] ? kasan_check_read+0x11/0x20 [ 254.440740] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 254.446042] ? rcu_softirq_qs+0x20/0x20 [ 254.450070] ? trace_hardirqs_off_caller+0x310/0x310 [ 254.455185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.460727] ? check_preemption_disabled+0x48/0x280 [ 254.465752] handle_mm_fault+0x54f/0xc70 [ 254.469821] ? __handle_mm_fault+0x5920/0x5920 [ 254.474408] ? find_vma+0x34/0x190 [ 254.477954] __do_page_fault+0x5e8/0xe60 [ 254.482025] ? trace_hardirqs_off+0xb8/0x310 [ 254.486434] ? __ia32_sys_read+0xb0/0xb0 [ 254.490511] do_page_fault+0xf2/0x7e0 [ 254.494315] ? vmalloc_sync_all+0x30/0x30 [ 254.498470] ? error_entry+0x70/0xd0 [ 254.502190] ? trace_hardirqs_off_caller+0xbb/0x310 [ 254.507209] ? trace_hardirqs_on_caller+0xc0/0x310 [ 254.512143] ? syscall_return_slowpath+0x5e0/0x5e0 [ 254.517075] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.521924] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.526939] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.532391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.537928] ? prepare_exit_to_usermode+0x291/0x3b0 [ 254.542949] ? page_fault+0x8/0x30 [ 254.546495] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.551349] ? page_fault+0x8/0x30 [ 254.554917] page_fault+0x1e/0x30 [ 254.558367] RIP: 0033:0x4727a0 [ 254.561576] Code: Bad RIP value. [ 254.564941] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 254.570306] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 254.577577] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 254.584843] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 254.592112] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 254.599379] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 254.606677] warn_alloc_show_mem: 1 callbacks suppressed [ 254.606689] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 254.606691] Mem-Info: [ 254.606729] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 254.606729] active_file:12 inactive_file:13 isolated_file:0 [ 254.606729] unevictable:0 dirty:0 writeback:0 unstable:0 [ 254.606729] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 254.606729] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 254.606729] free:13771 free_pcp:124 free_cma:0 [ 254.612073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.619024] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 254.621422] Call Trace: [ 254.654287] Node 0 [ 254.663643] [ 254.691076] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 254.693640] dump_stack+0x244/0x39d [ 254.695864] lowmem_reserve[]: 0 [ 254.698033] ? dump_stack_print_info.cold.1+0x20/0x20 [ 254.723525] 2818 6321 [ 254.727165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.730414] 6321 [ 254.736269] warn_alloc.cold.117+0xb7/0x1bd [ 254.738743] Node 0 [ 254.744274] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.746341] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 254.750635] ? lock_downgrade+0x900/0x900 [ 254.752850] lowmem_reserve[]: [ 254.757691] ? trace_hardirqs_off+0xb8/0x310 [ 254.784644] 0 0 [ 254.788812] ? trace_hardirqs_off+0xb8/0x310 [ 254.791886] 3503 3503 [ 254.796307] __alloc_pages_slowpath+0x2660/0x2d70 [ 254.802685] ? warn_alloc+0x120/0x120 [ 254.805140] Node 0 [ 254.809983] ? warn_alloc+0x120/0x120 [ 254.813821] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 254.816048] ? print_usage_bug+0xc0/0xc0 [ 254.819818] lowmem_reserve[]: [ 254.847919] ? warn_alloc+0x120/0x120 [ 254.851983] 0 [ 254.855095] ? print_usage_bug+0xc0/0xc0 [ 254.858871] 0 [ 254.860669] ? __lock_acquire+0x62f/0x4c20 [ 254.864708] 0 [ 254.866508] ? __lock_acquire+0x62f/0x4c20 [ 254.870721] 0 [ 254.872522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.878528] ? should_fail+0x22d/0xd01 [ 254.884054] Node 0 [ 254.887940] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 254.887950] DMA: [ 254.890181] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.895440] 1*4kB [ 254.897524] ? __lock_acquire+0x62f/0x4c20 [ 254.902618] (U) [ 254.904765] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.908983] 0*8kB [ 254.910966] ? __lock_acquire+0x62f/0x4c20 [ 254.916054] 0*16kB [ 254.918198] ? should_fail+0x22d/0xd01 [ 254.922410] 1*32kB [ 254.924640] ? rcu_irq_exit+0x1a2/0x390 [ 254.928527] (U) [ 254.930778] ? mark_held_locks+0x130/0x130 [ 254.934724] 2*64kB (U) [ 254.936717] ? mark_held_locks+0x130/0x130 [ 254.940944] 1*128kB [ 254.943525] ? mark_held_locks+0xc7/0x130 [ 254.947762] (U) [ 254.950083] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 254.954211] 1*256kB [ 254.956184] ? zap_class+0x640/0x640 [ 254.961177] (U) [ 254.963508] ? print_usage_bug+0xc0/0xc0 [ 254.967193] 0*512kB 1*1024kB [ 254.969183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.973219] (U) [ 254.976321] ? check_preemption_disabled+0x48/0x280 [ 254.981846] 1*2048kB [ 254.983827] ? __lock_is_held+0xb5/0x140 [ 254.988816] (M) [ 254.991227] __alloc_pages_nodemask+0xa80/0xde0 [ 254.995264] 3*4096kB [ 254.997235] ? zap_class+0x640/0x640 [ 255.001884] (M) [ 255.004291] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 255.007975] = 15908kB [ 255.007984] Node 0 [ 255.009963] ? find_held_lock+0x36/0x1c0 [ 255.014952] DMA32: [ 255.017365] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.019576] 4*4kB [ 255.023644] ? lock_downgrade+0x900/0x900 [ 255.025856] (M) [ 255.030533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.032668] 0*8kB [ 255.036835] cache_grow_begin+0xa5/0x8c0 [ 255.038792] 2*16kB [ 255.044325] ? do_raw_spin_unlock+0xa7/0x330 [ 255.046457] (M) [ 255.050517] fallback_alloc+0x204/0x2e0 [ 255.052731] 2*32kB [ 255.057136] ____cache_alloc_node+0x1c7/0x1e0 [ 255.059092] (UM) [ 255.063091] kmem_cache_alloc_node+0xe3/0x730 [ 255.065303] 4*64kB [ 255.069792] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.071833] (UM) [ 255.076328] __alloc_skb+0x119/0x770 [ 255.078555] 4*128kB [ 255.082801] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 255.084839] (M) [ 255.088552] ? netdev_alloc_frag+0x1f0/0x1f0 [ 255.090859] 3*256kB [ 255.096129] ? lock_downgrade+0x900/0x900 [ 255.098094] (M) [ 255.102503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.104802] 4*512kB [ 255.108974] ? refcount_sub_and_test_checked+0x203/0x310 [ 255.110923] (UM) [ 255.116457] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 255.118760] 3*1024kB [ 255.124203] ? addrconf_rs_timer+0x690/0x690 [ 255.126244] (UM) [ 255.131707] ndisc_alloc_skb+0x144/0x340 [ 255.134089] 3*2048kB [ 255.138504] ndisc_send_rs+0x331/0x6e0 [ 255.140547] (UM) [ 255.144596] addrconf_rs_timer+0x314/0x690 [ 255.146985] 3*4096kB [ 255.150868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.152909] (M) [ 255.157151] call_timer_fn+0x272/0x920 [ 255.159529] = 25200kB [ 255.163755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.165709] Node 0 [ 255.169602] ? process_timeout+0x40/0x40 [ 255.171991] Normal: [ 255.176265] ? __run_timers+0x7da/0xc70 [ 255.178479] 786*4kB [ 255.182539] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.184845] (MEH) [ 255.188816] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.191132] 440*8kB [ 255.195659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.197788] (UMEH) [ 255.202282] ? lockdep_hardirqs_on+0x296/0x5b0 [ 255.204582] 141*16kB [ 255.208813] ? trace_hardirqs_on+0xbd/0x310 [ 255.211036] (MEH) [ 255.215621] ? kasan_check_read+0x11/0x20 [ 255.218006] 54*32kB [ 255.222328] ? __run_timers+0x7da/0xc70 [ 255.224458] (MEH) [ 255.228605] ? trace_hardirqs_off_caller+0x310/0x310 [ 255.230905] 14*64kB (UME) [ 255.234888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.237027] 1*128kB [ 255.242134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.244958] (H) [ 255.249191] __run_timers+0x7e5/0xc70 [ 255.251493] 1*256kB [ 255.255732] ? timer_fixup_init+0x70/0x70 [ 255.257695] (H) [ 255.261491] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 255.263793] 2*512kB [ 255.267941] ? zap_class+0x640/0x640 [ 255.269917] (H) [ 255.274929] ? enqueue_hrtimer+0x1a5/0x560 [ 255.277236] 1*1024kB [ 255.280944] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 255.282902] (U) [ 255.287139] ? find_held_lock+0x36/0x1c0 [ 255.289525] 0*2048kB [ 255.294714] ? zap_class+0x640/0x640 [ 255.296672] 0*4096kB [ 255.300735] ? pvclock_read_flags+0x160/0x160 [ 255.303120] = 13976kB [ 255.306828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.309222] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 255.313709] ? check_preemption_disabled+0x48/0x280 [ 255.316127] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 255.321655] ? __lock_is_held+0xb5/0x140 [ 255.330466] 163 total pagecache pages [ 255.335477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.344044] 0 pages in swap cache [ 255.348104] ? check_preemption_disabled+0x48/0x280 [ 255.351911] Swap cache stats: add 0, delete 0, find 0/0 [ 255.357434] run_timer_softirq+0x52/0xb0 [ 255.360871] Free swap = 0kB [ 255.365878] ? rcu_read_lock_sched_held+0x14f/0x180 [ 255.371218] Total swap = 0kB [ 255.375276] __do_softirq+0x308/0xb7e [ 255.378276] 1965979 pages RAM [ 255.383290] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 255.383308] ? lock_downgrade+0x900/0x900 [ 255.386307] 0 pages HighMem/MovableOnly [ 255.390114] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 255.393196] 342867 pages reserved [ 255.393205] 0 pages cma reserved [ 255.397697] ? pvclock_read_flags+0x160/0x160 [ 255.401903] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 255.405814] ? lapic_next_event+0x5a/0x90 [ 255.405836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.405867] ? kvm_clock_read+0x18/0x30 [ 255.411045] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 255.414404] ? kvm_sched_clock_read+0x9/0x20 [ 255.417747] syz-fuzzer cpuset= [ 255.422239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.428706] / [ 255.432850] ? check_preemption_disabled+0x48/0x280 [ 255.438366] mems_allowed=0 [ 255.442337] irq_exit+0x17f/0x1c0 [ 255.479198] smp_apic_timer_interrupt+0x1cb/0x760 [ 255.484057] ? smp_reschedule_interrupt+0x109/0x650 [ 255.489080] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.494964] ? interrupt_entry+0xb5/0xc0 [ 255.499034] ? trace_hardirqs_off_caller+0xbb/0x310 [ 255.504078] ? trace_hardirqs_off_caller+0xbb/0x310 [ 255.509100] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.513945] ? trace_hardirqs_on_caller+0x310/0x310 [ 255.518959] ? trace_hardirqs_on_caller+0x310/0x310 [ 255.523976] ? task_prio+0x50/0x50 [ 255.527519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.533063] ? check_preemption_disabled+0x48/0x280 [ 255.538085] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.542945] apic_timer_interrupt+0xf/0x20 [ 255.547178] [ 255.549421] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 255.555313] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 255.574530] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 255.582265] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 255.589535] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 255.597760] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 255.605039] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 255.612320] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 255.619618] ? save_stack+0xa9/0xd0 [ 255.623258] __kmalloc_node_track_caller+0x33/0x70 [ 255.628194] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 255.632961] pskb_expand_head+0x230/0x10f0 [ 255.637203] ? memcpy+0x45/0x50 [ 255.640484] ? __copy_skb_header+0x350/0x6b0 [ 255.644905] ? skb_release_data+0x880/0x880 [ 255.649225] ? __alloc_skb+0x770/0x770 [ 255.653121] ? __lock_is_held+0xb5/0x140 [ 255.657201] ? kasan_check_write+0x14/0x20 [ 255.661447] ? __skb_clone+0x6c7/0xa00 [ 255.665334] ? __copy_skb_header+0x6b0/0x6b0 [ 255.669743] ? kmem_cache_alloc+0x33a/0x730 [ 255.674077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.679622] skb_ensure_writable+0x3dd/0x640 [ 255.684052] ? skb_checksum_setup+0xaa0/0xaa0 [ 255.688575] ? check_preemption_disabled+0x48/0x280 [ 255.693596] ? __this_cpu_preempt_check+0x1c/0x20 [ 255.698442] ? __bpf_redirect+0x54b/0xb20 [ 255.702613] bpf_clone_redirect+0x14a/0x490 [ 255.706948] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 255.711970] ? __sched_text_start+0x8/0x8 [ 255.716123] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.720883] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 255.725466] ? retint_kernel+0x2d/0x2d [ 255.729358] ? find_held_lock+0x36/0x1c0 [ 255.733430] ? lock_acquire+0x1ed/0x520 [ 255.737405] ? bpf_test_run+0x3cb/0x780 [ 255.741382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.746922] ? check_preemption_disabled+0x48/0x280 [ 255.751958] ? kasan_check_read+0x11/0x20 [ 255.756110] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 255.761390] ? rcu_softirq_qs+0x20/0x20 [ 255.765363] ? preempt_schedule+0x4d/0x60 [ 255.769509] ? ___preempt_schedule+0x16/0x18 [ 255.773935] ? bpf_test_run+0x25d/0x780 [ 255.777922] ? netlink_diag_dump+0x2a0/0x2a0 [ 255.782339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.787876] ? bpf_test_init.isra.10+0x70/0x100 [ 255.792552] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 255.797317] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 255.802160] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 255.807699] ? fput+0x130/0x1a0 [ 255.810994] ? __bpf_prog_get+0x9b/0x290 [ 255.815072] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 255.819922] ? bpf_prog_test_run+0x130/0x1a0 [ 255.824334] ? __x64_sys_bpf+0x3d8/0x520 [ 255.828396] ? bpf_prog_get+0x20/0x20 [ 255.832219] ? do_syscall_64+0x1b9/0x820 [ 255.836283] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 255.841660] ? syscall_return_slowpath+0x5e0/0x5e0 [ 255.846604] ? trace_hardirqs_on_caller+0x310/0x310 [ 255.851633] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 255.856674] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 255.863346] ? __switch_to_asm+0x40/0x70 [ 255.867406] ? __switch_to_asm+0x34/0x70 [ 255.871476] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.876329] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 255.881708] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 255.881822] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 255.888381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.888387] Call Trace: [ 255.888395] [ 255.888413] dump_stack+0x244/0x39d [ 255.888433] ? dump_stack_print_info.cold.1+0x20/0x20 [ 255.895002] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 255.904262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.906824] syz-executor5 cpuset= [ 255.908976] warn_alloc.cold.117+0xb7/0x1bd [ 255.912578] syz5 [ 255.917767] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 255.928235] mems_allowed=0 [ 255.933770] ? lock_downgrade+0x900/0x900 [ 255.955359] ? trace_hardirqs_off+0xb8/0x310 [ 255.959777] ? trace_hardirqs_off+0xb8/0x310 [ 255.964216] __alloc_pages_slowpath+0x2660/0x2d70 [ 255.969087] ? warn_alloc+0x120/0x120 [ 255.972897] ? warn_alloc+0x120/0x120 [ 255.976703] ? print_usage_bug+0xc0/0xc0 [ 255.980790] ? warn_alloc+0x120/0x120 [ 255.984594] ? print_usage_bug+0xc0/0xc0 [ 255.988661] ? __lock_acquire+0x62f/0x4c20 [ 255.992895] ? __lock_acquire+0x62f/0x4c20 [ 255.997131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.002693] ? should_fail+0x22d/0xd01 [ 256.006606] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.011722] ? __lock_acquire+0x62f/0x4c20 [ 256.015962] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.021084] ? __lock_acquire+0x62f/0x4c20 [ 256.025319] ? should_fail+0x22d/0xd01 [ 256.029218] ? mark_held_locks+0x130/0x130 [ 256.033473] ? mark_held_locks+0x130/0x130 [ 256.037704] ? zap_class+0x640/0x640 [ 256.041428] ? zap_class+0x640/0x640 [ 256.045143] ? print_usage_bug+0xc0/0xc0 [ 256.049202] ? wq_watchdog_touch+0x9c/0xfe [ 256.053439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.058974] ? check_preemption_disabled+0x48/0x280 [ 256.063999] ? __lock_is_held+0xb5/0x140 [ 256.068088] __alloc_pages_nodemask+0xa80/0xde0 [ 256.072789] ? zap_class+0x640/0x640 [ 256.076508] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 256.081555] ? find_held_lock+0x36/0x1c0 [ 256.085662] ? ____cache_alloc_node+0x1c7/0x1e0 [ 256.090362] ? lock_downgrade+0x900/0x900 [ 256.094518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.100066] cache_grow_begin+0xa5/0x8c0 [ 256.104146] ? do_raw_spin_unlock+0xa7/0x330 [ 256.108571] fallback_alloc+0x204/0x2e0 [ 256.112558] ____cache_alloc_node+0x1c7/0x1e0 [ 256.117058] kmem_cache_alloc_node+0xe3/0x730 [ 256.121564] ? ipv6_get_ifaddr+0x42e/0x620 [ 256.125811] __alloc_skb+0x119/0x770 [ 256.129538] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 256.134822] ? netdev_alloc_frag+0x1f0/0x1f0 [ 256.139233] ? lock_downgrade+0x900/0x900 [ 256.143388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.148928] ? refcount_sub_and_test_checked+0x203/0x310 [ 256.154384] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 256.159838] ? addrconf_rs_timer+0x690/0x690 [ 256.164274] ndisc_alloc_skb+0x144/0x340 [ 256.168341] ndisc_send_rs+0x331/0x6e0 [ 256.172239] addrconf_rs_timer+0x314/0x690 [ 256.176479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.180732] call_timer_fn+0x272/0x920 [ 256.184621] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.188858] ? process_timeout+0x40/0x40 [ 256.192927] ? mark_held_locks+0xc7/0x130 [ 256.197093] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.201592] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.206088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.210320] ? lockdep_hardirqs_on+0x296/0x5b0 [ 256.214905] ? trace_hardirqs_on+0xbd/0x310 [ 256.219241] ? kasan_check_read+0x11/0x20 [ 256.223396] ? __run_timers+0x7da/0xc70 [ 256.227376] ? trace_hardirqs_off_caller+0x310/0x310 [ 256.232495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.236731] __run_timers+0x7e5/0xc70 [ 256.240566] ? timer_fixup_init+0x70/0x70 [ 256.244744] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.249773] ? zap_class+0x640/0x640 [ 256.253496] ? print_usage_bug+0xc0/0xc0 [ 256.257568] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 256.262762] ? find_held_lock+0x36/0x1c0 [ 256.266840] ? zap_class+0x640/0x640 [ 256.270575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.276116] ? check_preemption_disabled+0x48/0x280 [ 256.281152] ? __lock_is_held+0xb5/0x140 [ 256.285221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.290758] ? check_preemption_disabled+0x48/0x280 [ 256.295778] run_timer_softirq+0x52/0xb0 [ 256.299843] ? rcu_read_lock_sched_held+0x14f/0x180 [ 256.304867] __do_softirq+0x308/0xb7e [ 256.308676] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 256.313174] ? lock_downgrade+0x900/0x900 [ 256.317327] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 256.322439] ? pvclock_read_flags+0x160/0x160 [ 256.326944] ? lapic_next_event+0x5a/0x90 [ 256.331098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.336658] ? kvm_clock_read+0x18/0x30 [ 256.340635] ? kvm_sched_clock_read+0x9/0x20 [ 256.345062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.350618] ? check_preemption_disabled+0x48/0x280 [ 256.355661] irq_exit+0x17f/0x1c0 [ 256.359122] smp_apic_timer_interrupt+0x1cb/0x760 [ 256.363962] ? smp_reschedule_interrupt+0x109/0x650 [ 256.368979] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.374867] ? interrupt_entry+0xb5/0xc0 [ 256.378932] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.383944] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.388973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.393819] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.398836] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.403857] ? task_prio+0x50/0x50 [ 256.407401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.412939] ? check_preemption_disabled+0x48/0x280 [ 256.417959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.422816] apic_timer_interrupt+0xf/0x20 [ 256.427065] [ 256.429308] RIP: 0010:console_unlock+0xffa/0x1160 [ 256.434154] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 256.453070] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 256.460807] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 256.468089] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 256.475354] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 256.482626] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 256.489896] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 256.497177] ? netconsole_netdev_event+0x280/0x280 [ 256.502119] ? console_unlock+0xff1/0x1160 [ 256.506378] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 256.511058] ? lock_release+0xa00/0xa00 [ 256.515046] ? interrupt_entry+0xc0/0xc0 [ 256.519140] vprintk_emit+0x33d/0x930 [ 256.522948] ? wake_up_klogd+0x180/0x180 [ 256.527025] ? attach_entity_load_avg+0x810/0x860 [ 256.531870] ? __lock_acquire+0x600/0x4c20 [ 256.536114] ? mark_held_locks+0x130/0x130 [ 256.540352] ? print_usage_bug+0xc0/0xc0 [ 256.544427] ? find_held_lock+0x36/0x1c0 [ 256.548499] ? mark_held_locks+0xc7/0x130 [ 256.552657] vprintk_default+0x28/0x30 [ 256.556564] vprintk_func+0x7e/0x181 [ 256.560293] printk+0xa7/0xcf [ 256.563405] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 256.568193] show_free_areas.cold.118+0x1f34/0x215d [ 256.573237] ? si_meminfo_node+0x260/0x260 [ 256.577486] ? __lock_acquire+0x62f/0x4c20 [ 256.581727] ? __lock_acquire+0x62f/0x4c20 [ 256.585965] ? __lock_is_held+0xb5/0x140 [ 256.590059] ? mark_held_locks+0x130/0x130 [ 256.594303] ? zap_class+0x640/0x640 [ 256.598036] ? put_dec+0x3b/0xf0 [ 256.601413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.606976] ? find_held_lock+0x36/0x1c0 [ 256.611058] ? serial8250_console_write+0x8b3/0xb10 [ 256.616080] ? lock_downgrade+0x900/0x900 [ 256.620232] ? zap_class+0x640/0x640 [ 256.623949] ? zap_class+0x640/0x640 [ 256.627672] ? print_usage_bug+0xc0/0xc0 [ 256.631738] ? do_raw_spin_unlock+0xa7/0x330 [ 256.636150] ? trace_hardirqs_on+0x310/0x310 [ 256.640569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.646124] ? find_held_lock+0x36/0x1c0 [ 256.650199] ? mark_held_locks+0xc7/0x130 [ 256.654358] ? console_unlock+0xfcd/0x1160 [ 256.658596] ? netconsole_netdev_event+0x280/0x280 [ 256.663536] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 256.668135] ? trace_hardirqs_on+0xbd/0x310 [ 256.672453] ? vprintk_emit+0x33d/0x930 [ 256.676428] ? trace_hardirqs_off_caller+0x310/0x310 [ 256.681547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.687094] ? netconsole_netdev_event+0x280/0x280 [ 256.692039] ? console_unlock+0x8d8/0x1160 [ 256.696294] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 256.700965] ? vprintk_emit+0x7f7/0x930 [ 256.704944] ? lock_release+0xa00/0xa00 [ 256.708924] ? preempt_count_add+0xbc/0x1b0 [ 256.713249] ? wake_up_klogd+0x11a/0x180 [ 256.717314] ? console_device+0xc0/0xc0 [ 256.721292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.726840] ? vprintk_emit+0x268/0x930 [ 256.730825] ? wake_up_klogd+0x180/0x180 [ 256.734889] ? trace_hardirqs_on_caller+0xc0/0x310 [ 256.739842] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.744598] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.750052] ? retint_kernel+0x1b/0x2d [ 256.753948] ? trace_hardirqs_on+0x310/0x310 [ 256.758370] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.763169] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 256.767933] ? show_mem+0x1e/0x17b [ 256.771480] show_mem+0x34/0x17b [ 256.774871] dump_header+0x2f1/0xf72 [ 256.778595] ? mark_held_locks+0x130/0x130 [ 256.782853] ? pagefault_out_of_memory+0x197/0x197 [ 256.787796] ? __lock_acquire+0x62f/0x4c20 [ 256.792061] ? zap_class+0x640/0x640 [ 256.795786] ? percpu_ref_get_many+0x240/0x240 [ 256.800373] ? print_usage_bug+0xc0/0xc0 [ 256.804439] ? print_usage_bug+0xc0/0xc0 [ 256.808508] ? zap_class+0x640/0x640 [ 256.812316] ? print_usage_bug+0xc0/0xc0 [ 256.816380] ? print_usage_bug+0xc0/0xc0 [ 256.820454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.825998] ? find_held_lock+0x36/0x1c0 [ 256.830080] ? mark_held_locks+0xc7/0x130 [ 256.834235] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 256.839342] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 256.844446] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 256.849042] ? trace_hardirqs_on+0xbd/0x310 [ 256.853374] ? kasan_check_read+0x11/0x20 [ 256.857523] ? ___ratelimit+0x3b4/0x672 [ 256.861506] ? trace_hardirqs_off_caller+0x310/0x310 [ 256.866616] ? trace_hardirqs_on+0x310/0x310 [ 256.871040] ? lock_downgrade+0x900/0x900 [ 256.875204] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 256.880309] ? ___ratelimit+0x3b9/0x672 [ 256.884288] ? idr_get_free+0xec0/0xec0 [ 256.888263] ? kasan_check_read+0x11/0x20 [ 256.892416] ? do_raw_spin_unlock+0xa7/0x330 [ 256.896839] oom_kill_process.cold.27+0x10/0x903 [ 256.901604] ? zap_class+0x640/0x640 [ 256.905325] ? _raw_spin_unlock+0x2c/0x50 [ 256.909480] ? oom_badness+0xe6/0xaa0 [ 256.913286] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 256.918216] ? kasan_check_read+0x11/0x20 [ 256.922367] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 256.927650] ? oom_evaluate_task+0x540/0x540 [ 256.932067] ? find_held_lock+0x36/0x1c0 [ 256.936141] ? out_of_memory+0x974/0x1430 [ 256.940295] ? lock_downgrade+0x900/0x900 [ 256.944445] ? check_preemption_disabled+0x48/0x280 [ 256.949478] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 256.954409] ? kasan_check_read+0x11/0x20 [ 256.958567] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 256.963859] ? rcu_softirq_qs+0x20/0x20 [ 256.967841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.973392] ? oom_evaluate_task+0x302/0x540 [ 256.977804] out_of_memory+0xa84/0x1430 [ 256.981812] ? oom_killer_disable+0x3a0/0x3a0 [ 256.986322] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 256.991259] ? __mutex_add_waiter+0x2a0/0x2a0 [ 256.995769] __alloc_pages_slowpath+0x22d4/0x2d70 [ 257.000648] ? warn_alloc+0x120/0x120 [ 257.004465] ? rcu_softirq_qs+0x20/0x20 [ 257.008506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.014072] ? should_fail+0x22d/0xd01 [ 257.017977] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.023083] ? zap_class+0x640/0x640 [ 257.026825] ? __lock_is_held+0xb5/0x140 [ 257.030897] ? mark_held_locks+0x130/0x130 [ 257.035141] ? lock_release+0xa00/0xa00 [ 257.039123] ? perf_trace_sched_process_exec+0x860/0x860 [ 257.044590] ? __might_sleep+0x95/0x190 [ 257.048574] __alloc_pages_nodemask+0xa80/0xde0 [ 257.053258] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 257.058279] ? __page_cache_alloc+0x191/0x5c0 [ 257.062778] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 257.067709] ? kasan_check_read+0x11/0x20 [ 257.071860] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.077147] ? zap_class+0x640/0x640 [ 257.080870] ? zap_class+0x640/0x640 [ 257.084590] ? zap_class+0x640/0x640 [ 257.088310] ? __do_page_cache_readahead+0x7ce/0x980 [ 257.093423] ? find_held_lock+0x36/0x1c0 [ 257.097495] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 257.103051] alloc_pages_current+0x173/0x350 [ 257.107474] __page_cache_alloc+0x38c/0x5c0 [ 257.111801] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 257.116733] ? kasan_check_read+0x11/0x20 [ 257.120883] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.126170] ? generic_perform_write+0x6a0/0x6a0 [ 257.130934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.136476] ? check_preemption_disabled+0x48/0x280 [ 257.141504] filemap_fault+0x1594/0x25f0 [ 257.145583] ? __lock_page_or_retry+0xa00/0xa00 [ 257.150257] ? mark_held_locks+0x130/0x130 [ 257.154498] ? rcu_softirq_qs+0x20/0x20 [ 257.158493] ? filemap_map_pages+0xe04/0x1990 [ 257.163011] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 257.167969] ? futex_wait_setup+0x15c/0x3e0 [ 257.172299] ? zap_class+0x640/0x640 [ 257.176033] ? lock_acquire+0x1ed/0x520 [ 257.180021] ? alloc_set_pte+0x1447/0x1f40 [ 257.184280] ? lock_acquire+0x1ed/0x520 [ 257.188256] ? ext4_filemap_fault+0x7a/0xad [ 257.192590] ? lock_release+0xa00/0xa00 [ 257.196571] ? perf_trace_sched_process_exec+0x860/0x860 [ 257.202034] ? print_usage_bug+0xc0/0xc0 [ 257.206107] ? print_usage_bug+0xc0/0xc0 [ 257.210198] ? down_read+0x8d/0x120 [ 257.213829] ? ext4_filemap_fault+0x7a/0xad [ 257.218155] ? __down_interruptible+0x700/0x700 [ 257.222846] ext4_filemap_fault+0x82/0xad [ 257.227000] __do_fault+0x100/0x6b0 [ 257.230638] ? unlock_page+0x2c2/0x4c0 [ 257.234530] ? pmd_devmap_trans_unstable+0x220/0x220 [ 257.239647] ? mark_held_locks+0x130/0x130 [ 257.243886] ? mark_held_locks+0x130/0x130 [ 257.248121] ? do_raw_spin_trylock+0x270/0x270 [ 257.252717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.258261] __handle_mm_fault+0x307c/0x5920 [ 257.262681] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 257.267532] ? kasan_check_read+0x11/0x20 [ 257.271695] ? _copy_to_user+0xc8/0x110 [ 257.275674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.281223] ? zap_class+0x640/0x640 [ 257.284939] ? zap_class+0x640/0x640 [ 257.288663] ? find_held_lock+0x36/0x1c0 [ 257.292738] ? handle_mm_fault+0x42a/0xc70 [ 257.296978] ? lock_downgrade+0x900/0x900 [ 257.301130] ? check_preemption_disabled+0x48/0x280 [ 257.306161] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 257.311099] ? kasan_check_read+0x11/0x20 [ 257.315255] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.320538] ? rcu_softirq_qs+0x20/0x20 [ 257.324547] ? trace_hardirqs_off_caller+0x310/0x310 [ 257.329661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.335206] ? check_preemption_disabled+0x48/0x280 [ 257.340232] handle_mm_fault+0x54f/0xc70 [ 257.344299] ? __handle_mm_fault+0x5920/0x5920 [ 257.348892] ? find_vma+0x34/0x190 [ 257.352443] __do_page_fault+0x5e8/0xe60 [ 257.356508] ? trace_hardirqs_off+0xb8/0x310 [ 257.360924] ? __ia32_sys_read+0xb0/0xb0 [ 257.364997] do_page_fault+0xf2/0x7e0 [ 257.368811] ? vmalloc_sync_all+0x30/0x30 [ 257.372964] ? error_entry+0x70/0xd0 [ 257.376680] ? trace_hardirqs_off_caller+0xbb/0x310 [ 257.381697] ? trace_hardirqs_on_caller+0xc0/0x310 [ 257.386635] ? syscall_return_slowpath+0x5e0/0x5e0 [ 257.391573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.396424] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.401448] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.406903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.412444] ? prepare_exit_to_usermode+0x291/0x3b0 [ 257.417465] ? page_fault+0x8/0x30 [ 257.421027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.425883] ? page_fault+0x8/0x30 [ 257.429430] page_fault+0x1e/0x30 [ 257.432890] RIP: 0033:0x4727a0 [ 257.436113] Code: Bad RIP value. [ 257.439475] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 257.444843] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 257.452114] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 257.459610] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 257.466883] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 257.474157] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 257.481461] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 257.481467] warn_alloc_show_mem: 1 callbacks suppressed [ 257.481475] Mem-Info: [ 257.488405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.493777] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 257.493777] active_file:12 inactive_file:13 isolated_file:0 [ 257.493777] unevictable:0 dirty:0 writeback:0 unstable:0 [ 257.493777] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 257.493777] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 257.493777] free:13771 free_pcp:124 free_cma:0 [ 257.496168] Call Trace: [ 257.505567] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 257.538407] [ 257.540987] Node 0 [ 257.568564] dump_stack+0x244/0x39d [ 257.570743] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 257.572987] ? dump_stack_print_info.cold.1+0x20/0x20 [ 257.576780] lowmem_reserve[]: [ 257.602389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.607561] 0 [ 257.610675] warn_alloc.cold.117+0xb7/0x1bd [ 257.616185] 2818 [ 257.617986] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.622288] 6321 [ 257.624358] ? lock_downgrade+0x900/0x900 [ 257.629177] 6321 [ 257.631244] ? trace_hardirqs_off+0xb8/0x310 [ 257.637439] ? trace_hardirqs_off+0xb8/0x310 [ 257.641850] Node 0 DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 257.646285] __alloc_pages_slowpath+0x2660/0x2d70 [ 257.646329] ? warn_alloc+0x120/0x120 [ 257.673873] lowmem_reserve[]: [ 257.678718] ? warn_alloc+0x120/0x120 [ 257.682497] 0 [ 257.685617] ? print_usage_bug+0xc0/0xc0 [ 257.689401] 0 [ 257.691206] ? warn_alloc+0x120/0x120 [ 257.695249] 3503 [ 257.697068] ? print_usage_bug+0xc0/0xc0 [ 257.700863] 3503 [ 257.702931] ? __lock_acquire+0x62f/0x4c20 [ 257.709041] ? __lock_acquire+0x62f/0x4c20 [ 257.713256] Node 0 Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 257.717520] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.717538] ? should_fail+0x22d/0xd01 [ 257.746243] lowmem_reserve[]: 0 [ 257.751819] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.755689] 0 [ 257.758969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.764228] 0 [ 257.766036] ? __lock_acquire+0x62f/0x4c20 [ 257.771121] 0 [ 257.772922] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.777141] Node 0 [ 257.778946] ? __lock_acquire+0x62f/0x4c20 [ 257.784034] DMA: [ 257.786284] ? should_fail+0x22d/0xd01 [ 257.790588] 1*4kB [ 257.792651] ? rcu_irq_exit+0x1a2/0x390 [ 257.796515] (U) [ 257.798671] ? mark_held_locks+0x130/0x130 [ 257.802617] 0*8kB 0*16kB [ 257.804608] ? mark_held_locks+0x130/0x130 [ 257.808818] 1*32kB [ 257.811597] ? mark_held_locks+0xc7/0x130 [ 257.815809] (U) [ 257.818060] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 257.822192] 2*64kB [ 257.824166] ? zap_class+0x640/0x640 [ 257.829162] (U) [ 257.831398] ? print_usage_bug+0xc0/0xc0 [ 257.835093] 1*128kB [ 257.837074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.841113] (U) [ 257.843452] ? check_preemption_disabled+0x48/0x280 [ 257.848969] 1*256kB [ 257.850950] ? __lock_is_held+0xb5/0x140 [ 257.856052] (U) 0*512kB [ 257.858392] __alloc_pages_nodemask+0xa80/0xde0 [ 257.862432] 1*1024kB [ 257.865100] ? zap_class+0x640/0x640 [ 257.869761] (U) [ 257.872185] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 257.875881] 1*2048kB [ 257.877884] ? find_held_lock+0x36/0x1c0 [ 257.882888] (M) [ 257.885309] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.889350] 3*4096kB [ 257.891323] ? lock_downgrade+0x900/0x900 [ 257.895974] (M) [ 257.898386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.902512] = 15908kB [ 257.904487] cache_grow_begin+0xa5/0x8c0 [ 257.910003] Node 0 [ 257.912440] ? do_raw_spin_unlock+0xa7/0x330 [ 257.916482] DMA32: [ 257.918735] fallback_alloc+0x204/0x2e0 [ 257.923125] 4*4kB [ 257.925376] ____cache_alloc_node+0x1c7/0x1e0 [ 257.929325] (M) [ 257.931474] kmem_cache_alloc_node+0xe3/0x730 [ 257.935949] 0*8kB 2*16kB [ 257.937964] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.942431] (M) 2*32kB [ 257.945216] __alloc_skb+0x119/0x770 [ 257.949428] (UM) [ 257.952023] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 257.955728] 4*64kB [ 257.957812] ? netdev_alloc_frag+0x1f0/0x1f0 [ 257.963067] (UM) [ 257.965303] ? lock_downgrade+0x900/0x900 [ 257.969703] 4*128kB [ 257.971769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.975898] (M) [ 257.978224] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.983747] 3*256kB (M) [ 257.985732] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.991156] 4*512kB (UM) [ 257.993850] ? addrconf_rs_timer+0x690/0x690 [ 257.999314] 3*1024kB [ 258.002100] ndisc_alloc_skb+0x144/0x340 [ 258.006492] (UM) [ 258.008899] ndisc_send_rs+0x331/0x6e0 [ 258.012942] 3*2048kB [ 258.015007] addrconf_rs_timer+0x314/0x690 [ 258.018888] (UM) [ 258.021299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.025519] 3*4096kB [ 258.027600] call_timer_fn+0x272/0x920 [ 258.031805] (M) [ 258.034215] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.038116] = 25200kB [ 258.040095] ? process_timeout+0x40/0x40 [ 258.044311] Node 0 [ 258.046732] ? __run_timers+0x7da/0xc70 [ 258.050759] Normal: 786*4kB [ 258.053033] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.056981] (MEH) [ 258.059998] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.064480] 440*8kB [ 258.066632] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.071108] (UMEH) [ 258.073430] ? lockdep_hardirqs_on+0x296/0x5b0 [ 258.077644] 141*16kB [ 258.079881] ? trace_hardirqs_on+0xbd/0x310 [ 258.084441] (MEH) [ 258.086852] ? kasan_check_read+0x11/0x20 [ 258.091165] 54*32kB [ 258.093315] ? __run_timers+0x7da/0xc70 [ 258.097442] (MEH) [ 258.099768] ? trace_hardirqs_off_caller+0x310/0x310 [ 258.103720] 14*64kB (UME) [ 258.105881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.110960] 1*128kB (H) [ 258.113814] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.118036] 1*256kB [ 258.120712] __run_timers+0x7e5/0xc70 [ 258.124926] (H) [ 258.127268] ? timer_fixup_init+0x70/0x70 [ 258.131048] 2*512kB (H) [ 258.133048] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.137171] 1*1024kB [ 258.139840] ? zap_class+0x640/0x640 [ 258.144835] (U) [ 258.147268] ? enqueue_hrtimer+0x1a5/0x560 [ 258.150977] 0*2048kB [ 258.152952] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.157180] 0*4096kB [ 258.159608] ? find_held_lock+0x36/0x1c0 [ 258.164798] = 13976kB [ 258.167209] ? zap_class+0x640/0x640 [ 258.171255] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 258.173672] ? pvclock_read_flags+0x160/0x160 [ 258.177368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 258.186197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.190674] 163 total pagecache pages [ 258.199253] ? check_preemption_disabled+0x48/0x280 [ 258.204789] 0 pages in swap cache [ 258.208625] ? __lock_is_held+0xb5/0x140 [ 258.213619] Swap cache stats: add 0, delete 0, find 0/0 [ 258.217073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.221114] Free swap = 0kB [ 258.226475] ? check_preemption_disabled+0x48/0x280 [ 258.231993] Total swap = 0kB [ 258.235025] run_timer_softirq+0x52/0xb0 [ 258.240032] 1965979 pages RAM [ 258.243062] ? rcu_read_lock_sched_held+0x14f/0x180 [ 258.247102] 0 pages HighMem/MovableOnly [ 258.250209] __do_softirq+0x308/0xb7e [ 258.255217] 342867 pages reserved [ 258.259190] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 258.262969] 0 pages cma reserved [ 258.266421] ? lock_downgrade+0x900/0x900 [ 258.270973] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.274285] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 258.278519] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.284921] ? pvclock_read_flags+0x160/0x160 [ 258.290004] syz-fuzzer cpuset= [ 258.300269] ? lapic_next_event+0x5a/0x90 [ 258.304753] / [ 258.307951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.312079] mems_allowed=0 [ 258.313792] ? kvm_clock_read+0x18/0x30 [ 258.326203] ? kvm_sched_clock_read+0x9/0x20 [ 258.330619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.336174] ? check_preemption_disabled+0x48/0x280 [ 258.341207] irq_exit+0x17f/0x1c0 [ 258.344668] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.349516] ? smp_reschedule_interrupt+0x109/0x650 [ 258.354539] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.360429] ? interrupt_entry+0xb5/0xc0 [ 258.364498] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.369517] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.374541] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.379392] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.384411] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.389434] ? task_prio+0x50/0x50 [ 258.392981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.398533] ? check_preemption_disabled+0x48/0x280 [ 258.403581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.408445] apic_timer_interrupt+0xf/0x20 [ 258.412679] [ 258.414927] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 258.420820] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 258.439724] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 258.447439] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 258.454711] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 258.461986] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 258.469267] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 258.476537] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 258.483846] ? save_stack+0xa9/0xd0 [ 258.487489] __kmalloc_node_track_caller+0x33/0x70 [ 258.492432] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 258.497201] pskb_expand_head+0x230/0x10f0 [ 258.501445] ? memcpy+0x45/0x50 [ 258.504734] ? __copy_skb_header+0x350/0x6b0 [ 258.509151] ? skb_release_data+0x880/0x880 [ 258.513474] ? __alloc_skb+0x770/0x770 [ 258.517375] ? __lock_is_held+0xb5/0x140 [ 258.522141] ? kasan_check_write+0x14/0x20 [ 258.526380] ? __skb_clone+0x6c7/0xa00 [ 258.530273] ? __copy_skb_header+0x6b0/0x6b0 [ 258.534683] ? kmem_cache_alloc+0x33a/0x730 [ 258.539033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.544599] skb_ensure_writable+0x3dd/0x640 [ 258.549028] ? skb_checksum_setup+0xaa0/0xaa0 [ 258.553533] ? check_preemption_disabled+0x48/0x280 [ 258.558565] ? __this_cpu_preempt_check+0x1c/0x20 [ 258.563418] ? __bpf_redirect+0x54b/0xb20 [ 258.567582] bpf_clone_redirect+0x14a/0x490 [ 258.571922] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 258.576947] ? __sched_text_start+0x8/0x8 [ 258.581130] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.585901] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 258.590487] ? retint_kernel+0x2d/0x2d [ 258.594383] ? find_held_lock+0x36/0x1c0 [ 258.598461] ? lock_acquire+0x1ed/0x520 [ 258.602445] ? bpf_test_run+0x3cb/0x780 [ 258.606423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.611994] ? check_preemption_disabled+0x48/0x280 [ 258.617039] ? kasan_check_read+0x11/0x20 [ 258.621209] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 258.626491] ? rcu_softirq_qs+0x20/0x20 [ 258.630471] ? preempt_schedule+0x4d/0x60 [ 258.634625] ? ___preempt_schedule+0x16/0x18 [ 258.639064] ? bpf_test_run+0x25d/0x780 [ 258.643078] ? netlink_diag_dump+0x2a0/0x2a0 [ 258.647493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.653041] ? bpf_test_init.isra.10+0x70/0x100 [ 258.657727] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 258.662497] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 258.667345] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 258.672888] ? fput+0x130/0x1a0 [ 258.676177] ? __bpf_prog_get+0x9b/0x290 [ 258.680246] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 258.685107] ? bpf_prog_test_run+0x130/0x1a0 [ 258.689524] ? __x64_sys_bpf+0x3d8/0x520 [ 258.693589] ? bpf_prog_get+0x20/0x20 [ 258.697414] ? do_syscall_64+0x1b9/0x820 [ 258.701481] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 258.706855] ? syscall_return_slowpath+0x5e0/0x5e0 [ 258.711794] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.716824] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 258.721847] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 258.728516] ? __switch_to_asm+0x40/0x70 [ 258.732579] ? __switch_to_asm+0x34/0x70 [ 258.736650] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.741526] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 258.746925] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 258.747025] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.753604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.753614] Call Trace: [ 258.760208] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.769447] [ 258.772036] syz-executor5 cpuset= [ 258.782527] dump_stack+0x244/0x39d [ 258.784661] syz5 [ 258.788123] ? dump_stack_print_info.cold.1+0x20/0x20 [ 258.791761] mems_allowed=0 [ 258.793741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.807386] warn_alloc.cold.117+0xb7/0x1bd [ 258.811739] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 258.816590] ? lock_downgrade+0x900/0x900 [ 258.820782] ? trace_hardirqs_off+0xb8/0x310 [ 258.825206] ? trace_hardirqs_off+0xb8/0x310 [ 258.829634] __alloc_pages_slowpath+0x2660/0x2d70 [ 258.834511] ? warn_alloc+0x120/0x120 [ 258.838331] ? warn_alloc+0x120/0x120 [ 258.842138] ? print_usage_bug+0xc0/0xc0 [ 258.846210] ? warn_alloc+0x120/0x120 [ 258.850044] ? print_usage_bug+0xc0/0xc0 [ 258.854114] ? __lock_acquire+0x62f/0x4c20 [ 258.858362] ? __lock_acquire+0x62f/0x4c20 [ 258.862606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.868148] ? should_fail+0x22d/0xd01 [ 258.872052] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 258.877348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.882454] ? __lock_acquire+0x62f/0x4c20 [ 258.886696] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.891802] ? __lock_acquire+0x62f/0x4c20 [ 258.896045] ? should_fail+0x22d/0xd01 [ 258.899942] ? rcu_irq_exit+0x1a2/0x390 [ 258.903929] ? mark_held_locks+0x130/0x130 [ 258.908178] ? mark_held_locks+0x130/0x130 [ 258.912421] ? mark_held_locks+0xc7/0x130 [ 258.916594] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 258.921628] ? zap_class+0x640/0x640 [ 258.925348] ? print_usage_bug+0xc0/0xc0 [ 258.929418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.935052] ? check_preemption_disabled+0x48/0x280 [ 258.940089] ? __lock_is_held+0xb5/0x140 [ 258.944162] __alloc_pages_nodemask+0xa80/0xde0 [ 258.948835] ? zap_class+0x640/0x640 [ 258.952562] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 258.957594] ? find_held_lock+0x36/0x1c0 [ 258.961677] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.966353] ? lock_downgrade+0x900/0x900 [ 258.970514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.976068] cache_grow_begin+0xa5/0x8c0 [ 258.980141] ? do_raw_spin_unlock+0xa7/0x330 [ 258.984571] fallback_alloc+0x204/0x2e0 [ 258.988576] ____cache_alloc_node+0x1c7/0x1e0 [ 258.993084] kmem_cache_alloc_node+0xe3/0x730 [ 258.997585] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.001833] __alloc_skb+0x119/0x770 [ 259.005561] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.010857] ? netdev_alloc_frag+0x1f0/0x1f0 [ 259.015271] ? lock_downgrade+0x900/0x900 [ 259.019430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.024975] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.030434] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.035890] ? addrconf_rs_timer+0x690/0x690 [ 259.040315] ndisc_alloc_skb+0x144/0x340 [ 259.044387] ndisc_send_rs+0x331/0x6e0 [ 259.048284] addrconf_rs_timer+0x314/0x690 [ 259.052533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.056817] call_timer_fn+0x272/0x920 [ 259.060728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.064982] ? process_timeout+0x40/0x40 [ 259.069128] ? mark_held_locks+0xc7/0x130 [ 259.073286] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.077790] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.082288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.086527] ? lockdep_hardirqs_on+0x296/0x5b0 [ 259.091126] ? trace_hardirqs_on+0xbd/0x310 [ 259.095451] ? kasan_check_read+0x11/0x20 [ 259.099599] ? __run_timers+0x7da/0xc70 [ 259.103577] ? trace_hardirqs_off_caller+0x310/0x310 [ 259.108691] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.112933] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.117173] __run_timers+0x7e5/0xc70 [ 259.120988] ? timer_fixup_init+0x70/0x70 [ 259.125160] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 259.130202] ? zap_class+0x640/0x640 [ 259.133925] ? print_usage_bug+0xc0/0xc0 [ 259.137991] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 259.143208] ? find_held_lock+0x36/0x1c0 [ 259.147280] ? zap_class+0x640/0x640 [ 259.151006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.156566] ? check_preemption_disabled+0x48/0x280 [ 259.161596] ? __lock_is_held+0xb5/0x140 [ 259.165679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.171231] ? check_preemption_disabled+0x48/0x280 [ 259.176261] run_timer_softirq+0x52/0xb0 [ 259.180328] ? rcu_read_lock_sched_held+0x14f/0x180 [ 259.185351] __do_softirq+0x308/0xb7e [ 259.189164] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 259.193663] ? lock_downgrade+0x900/0x900 [ 259.197819] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 259.202940] ? pvclock_read_flags+0x160/0x160 [ 259.207444] ? lapic_next_event+0x5a/0x90 [ 259.211601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.217155] ? kvm_clock_read+0x18/0x30 [ 259.221157] ? kvm_sched_clock_read+0x9/0x20 [ 259.225577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.231124] ? check_preemption_disabled+0x48/0x280 [ 259.236154] irq_exit+0x17f/0x1c0 [ 259.239616] smp_apic_timer_interrupt+0x1cb/0x760 [ 259.244461] ? smp_reschedule_interrupt+0x109/0x650 [ 259.249483] ? smp_call_function_single_interrupt+0x650/0x650 [ 259.255379] ? interrupt_entry+0xb5/0xc0 [ 259.259447] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.264465] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.269486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.274334] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.279352] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.284373] ? task_prio+0x50/0x50 [ 259.287921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.293462] ? check_preemption_disabled+0x48/0x280 [ 259.298495] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.303390] apic_timer_interrupt+0xf/0x20 [ 259.307622] [ 259.309867] RIP: 0010:console_unlock+0xffa/0x1160 [ 259.314717] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 259.333623] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 259.341340] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 259.348619] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 259.355903] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 259.363177] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 259.370450] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 259.377913] ? netconsole_netdev_event+0x280/0x280 [ 259.382858] ? console_unlock+0xff1/0x1160 [ 259.387118] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 259.391797] ? lock_release+0xa00/0xa00 [ 259.395781] ? interrupt_entry+0xc0/0xc0 [ 259.399858] vprintk_emit+0x33d/0x930 [ 259.403682] ? wake_up_klogd+0x180/0x180 [ 259.407754] ? attach_entity_load_avg+0x810/0x860 [ 259.412601] ? __lock_acquire+0x600/0x4c20 [ 259.416844] ? mark_held_locks+0x130/0x130 [ 259.421087] ? print_usage_bug+0xc0/0xc0 [ 259.425159] ? find_held_lock+0x36/0x1c0 [ 259.429245] ? mark_held_locks+0xc7/0x130 [ 259.433432] vprintk_default+0x28/0x30 [ 259.437327] vprintk_func+0x7e/0x181 [ 259.441051] printk+0xa7/0xcf [ 259.444167] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 259.448956] show_free_areas.cold.118+0x1f34/0x215d [ 259.454176] ? si_meminfo_node+0x260/0x260 [ 259.458424] ? __lock_acquire+0x62f/0x4c20 [ 259.462665] ? __lock_acquire+0x62f/0x4c20 [ 259.466904] ? __lock_is_held+0xb5/0x140 [ 259.470998] ? mark_held_locks+0x130/0x130 [ 259.475253] ? zap_class+0x640/0x640 [ 259.478978] ? put_dec+0x3b/0xf0 [ 259.482357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.487920] ? find_held_lock+0x36/0x1c0 [ 259.492001] ? serial8250_console_write+0x8b3/0xb10 [ 259.497039] ? lock_downgrade+0x900/0x900 [ 259.501195] ? zap_class+0x640/0x640 [ 259.504925] ? zap_class+0x640/0x640 [ 259.508661] ? print_usage_bug+0xc0/0xc0 [ 259.512724] ? do_raw_spin_unlock+0xa7/0x330 [ 259.517143] ? trace_hardirqs_on+0x310/0x310 [ 259.521593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.527144] ? find_held_lock+0x36/0x1c0 [ 259.531260] ? mark_held_locks+0xc7/0x130 [ 259.535415] ? console_unlock+0xfcd/0x1160 [ 259.539653] ? netconsole_netdev_event+0x280/0x280 [ 259.544587] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 259.549221] ? trace_hardirqs_on+0xbd/0x310 [ 259.553551] ? vprintk_emit+0x33d/0x930 [ 259.557553] ? trace_hardirqs_off_caller+0x310/0x310 [ 259.563190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.568743] ? netconsole_netdev_event+0x280/0x280 [ 259.573683] ? console_unlock+0x8d8/0x1160 [ 259.577949] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 259.582625] ? vprintk_emit+0x7f7/0x930 [ 259.586607] ? lock_release+0xa00/0xa00 [ 259.590589] ? preempt_count_add+0xbc/0x1b0 [ 259.594912] ? wake_up_klogd+0x11a/0x180 [ 259.598977] ? console_device+0xc0/0xc0 [ 259.602978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.608526] ? vprintk_emit+0x268/0x930 [ 259.612517] ? wake_up_klogd+0x180/0x180 [ 259.616590] ? trace_hardirqs_on_caller+0xc0/0x310 [ 259.621530] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.626307] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.631766] ? retint_kernel+0x1b/0x2d [ 259.635660] ? trace_hardirqs_on+0x310/0x310 [ 259.640080] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.644877] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 259.649643] ? show_mem+0x1e/0x17b [ 259.653205] show_mem+0x34/0x17b [ 259.656587] dump_header+0x2f1/0xf72 [ 259.660317] ? mark_held_locks+0x130/0x130 [ 259.664563] ? pagefault_out_of_memory+0x197/0x197 [ 259.669506] ? __lock_acquire+0x62f/0x4c20 [ 259.673740] ? zap_class+0x640/0x640 [ 259.677469] ? percpu_ref_get_many+0x240/0x240 [ 259.682058] ? print_usage_bug+0xc0/0xc0 [ 259.686127] ? print_usage_bug+0xc0/0xc0 [ 259.690198] ? zap_class+0x640/0x640 [ 259.693918] ? print_usage_bug+0xc0/0xc0 [ 259.697983] ? print_usage_bug+0xc0/0xc0 [ 259.702071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.707621] ? find_held_lock+0x36/0x1c0 [ 259.711701] ? mark_held_locks+0xc7/0x130 [ 259.715860] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 259.720972] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 259.726085] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 259.730686] ? trace_hardirqs_on+0xbd/0x310 [ 259.735012] ? kasan_check_read+0x11/0x20 [ 259.739180] ? ___ratelimit+0x3b4/0x672 [ 259.743159] ? trace_hardirqs_off_caller+0x310/0x310 [ 259.748268] ? trace_hardirqs_on+0x310/0x310 [ 259.752696] ? lock_downgrade+0x900/0x900 [ 259.756885] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 259.761994] ? ___ratelimit+0x3b9/0x672 [ 259.765983] ? idr_get_free+0xec0/0xec0 [ 259.769971] ? kasan_check_read+0x11/0x20 [ 259.774122] ? do_raw_spin_unlock+0xa7/0x330 [ 259.778556] oom_kill_process.cold.27+0x10/0x903 [ 259.783321] ? zap_class+0x640/0x640 [ 259.787047] ? _raw_spin_unlock+0x2c/0x50 [ 259.791204] ? oom_badness+0xe6/0xaa0 [ 259.795013] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 259.799962] ? kasan_check_read+0x11/0x20 [ 259.804115] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.809398] ? oom_evaluate_task+0x540/0x540 [ 259.813813] ? find_held_lock+0x36/0x1c0 [ 259.817897] ? out_of_memory+0x974/0x1430 [ 259.822058] ? lock_downgrade+0x900/0x900 [ 259.826210] ? check_preemption_disabled+0x48/0x280 [ 259.831260] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 259.836195] ? kasan_check_read+0x11/0x20 [ 259.840348] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.845628] ? rcu_softirq_qs+0x20/0x20 [ 259.849630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.855171] ? oom_evaluate_task+0x302/0x540 [ 259.859614] out_of_memory+0xa84/0x1430 [ 259.863600] ? oom_killer_disable+0x3a0/0x3a0 [ 259.868115] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 259.873053] ? __mutex_add_waiter+0x2a0/0x2a0 [ 259.877596] __alloc_pages_slowpath+0x22d4/0x2d70 [ 259.882476] ? warn_alloc+0x120/0x120 [ 259.886292] ? rcu_softirq_qs+0x20/0x20 [ 259.890299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.895854] ? should_fail+0x22d/0xd01 [ 259.899756] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.904862] ? zap_class+0x640/0x640 [ 259.908618] ? __lock_is_held+0xb5/0x140 [ 259.912691] ? mark_held_locks+0x130/0x130 [ 259.916931] ? lock_release+0xa00/0xa00 [ 259.920915] ? perf_trace_sched_process_exec+0x860/0x860 [ 259.926378] ? __might_sleep+0x95/0x190 [ 259.930363] __alloc_pages_nodemask+0xa80/0xde0 [ 259.935050] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 259.940075] ? __page_cache_alloc+0x191/0x5c0 [ 259.944579] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 259.949522] ? kasan_check_read+0x11/0x20 [ 259.953680] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 259.958963] ? zap_class+0x640/0x640 [ 259.962698] ? zap_class+0x640/0x640 [ 259.966417] ? zap_class+0x640/0x640 [ 259.970145] ? __do_page_cache_readahead+0x7ce/0x980 [ 259.975261] ? find_held_lock+0x36/0x1c0 [ 259.979334] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 259.984886] alloc_pages_current+0x173/0x350 [ 259.989309] __page_cache_alloc+0x38c/0x5c0 [ 259.993637] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 259.998584] ? kasan_check_read+0x11/0x20 [ 260.002769] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.008066] ? generic_perform_write+0x6a0/0x6a0 [ 260.012826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.018368] ? check_preemption_disabled+0x48/0x280 [ 260.023401] filemap_fault+0x1594/0x25f0 [ 260.027480] ? __lock_page_or_retry+0xa00/0xa00 [ 260.032159] ? mark_held_locks+0x130/0x130 [ 260.036400] ? rcu_softirq_qs+0x20/0x20 [ 260.040395] ? filemap_map_pages+0xe04/0x1990 [ 260.044916] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 260.049858] ? futex_wait_setup+0x15c/0x3e0 [ 260.054187] ? zap_class+0x640/0x640 [ 260.057914] ? lock_acquire+0x1ed/0x520 [ 260.061897] ? alloc_set_pte+0x1447/0x1f40 [ 260.066153] ? lock_acquire+0x1ed/0x520 [ 260.070155] ? ext4_filemap_fault+0x7a/0xad [ 260.074487] ? lock_release+0xa00/0xa00 [ 260.078463] ? perf_trace_sched_process_exec+0x860/0x860 [ 260.083918] ? print_usage_bug+0xc0/0xc0 [ 260.087985] ? print_usage_bug+0xc0/0xc0 [ 260.092070] ? down_read+0x8d/0x120 [ 260.095704] ? ext4_filemap_fault+0x7a/0xad [ 260.100043] ? __down_interruptible+0x700/0x700 [ 260.104727] ext4_filemap_fault+0x82/0xad [ 260.108888] __do_fault+0x100/0x6b0 [ 260.112521] ? unlock_page+0x2c2/0x4c0 [ 260.116423] ? pmd_devmap_trans_unstable+0x220/0x220 [ 260.121537] ? mark_held_locks+0x130/0x130 [ 260.125789] ? mark_held_locks+0x130/0x130 [ 260.130037] ? do_raw_spin_trylock+0x270/0x270 [ 260.134641] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.140185] __handle_mm_fault+0x307c/0x5920 [ 260.144606] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 260.149489] ? kasan_check_read+0x11/0x20 [ 260.153640] ? _copy_to_user+0xc8/0x110 [ 260.157623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.163179] ? zap_class+0x640/0x640 [ 260.166895] ? zap_class+0x640/0x640 [ 260.170648] ? find_held_lock+0x36/0x1c0 [ 260.174724] ? handle_mm_fault+0x42a/0xc70 [ 260.178964] ? lock_downgrade+0x900/0x900 [ 260.183117] ? check_preemption_disabled+0x48/0x280 [ 260.188153] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 260.193085] ? kasan_check_read+0x11/0x20 [ 260.197243] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.202538] ? rcu_softirq_qs+0x20/0x20 [ 260.206568] ? trace_hardirqs_off_caller+0x310/0x310 [ 260.211702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.217251] ? check_preemption_disabled+0x48/0x280 [ 260.222277] handle_mm_fault+0x54f/0xc70 [ 260.226346] ? __handle_mm_fault+0x5920/0x5920 [ 260.230942] ? find_vma+0x34/0x190 [ 260.234494] __do_page_fault+0x5e8/0xe60 [ 260.238565] ? trace_hardirqs_off+0xb8/0x310 [ 260.242978] ? __ia32_sys_read+0xb0/0xb0 [ 260.247060] do_page_fault+0xf2/0x7e0 [ 260.250868] ? vmalloc_sync_all+0x30/0x30 [ 260.255033] ? error_entry+0x70/0xd0 [ 260.258760] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.263782] ? trace_hardirqs_on_caller+0xc0/0x310 [ 260.268723] ? syscall_return_slowpath+0x5e0/0x5e0 [ 260.273655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.278509] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.283532] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.289006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.294562] ? prepare_exit_to_usermode+0x291/0x3b0 [ 260.299587] ? page_fault+0x8/0x30 [ 260.303147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.308002] ? page_fault+0x8/0x30 [ 260.311564] page_fault+0x1e/0x30 [ 260.315028] RIP: 0033:0x4727a0 [ 260.318248] Code: Bad RIP value. [ 260.321620] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 260.326989] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 260.334266] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 260.341540] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 260.348818] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 260.356087] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 260.363388] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 260.363394] warn_alloc_show_mem: 1 callbacks suppressed [ 260.363402] Mem-Info: [ 260.370334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.375710] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 260.375710] active_file:12 inactive_file:13 isolated_file:0 [ 260.375710] unevictable:0 dirty:0 writeback:0 unstable:0 [ 260.375710] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 260.375710] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 260.375710] free:13771 free_pcp:124 free_cma:0 [ 260.378092] Call Trace: [ 260.387492] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 260.420337] [ 260.422912] Node 0 [ 260.450326] dump_stack+0x244/0x39d [ 260.452478] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 260.454691] ? dump_stack_print_info.cold.1+0x20/0x20 [ 260.458300] lowmem_reserve[]: [ 260.483804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.488973] 0 [ 260.492127] warn_alloc.cold.117+0xb7/0x1bd [ 260.497655] 2818 [ 260.499457] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.503758] 6321 6321 [ 260.505838] ? lock_downgrade+0x900/0x900 [ 260.513175] ? trace_hardirqs_off+0xb8/0x310 [ 260.517299] Node 0 DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 260.521740] ? trace_hardirqs_off+0xb8/0x310 [ 260.521763] __alloc_pages_slowpath+0x2660/0x2d70 [ 260.549317] lowmem_reserve[]: 0 [ 260.553762] ? warn_alloc+0x120/0x120 [ 260.558569] 0 3503 [ 260.561866] ? warn_alloc+0x120/0x120 [ 260.565645] 3503 [ 260.567882] ? print_usage_bug+0xc0/0xc0 [ 260.573726] ? warn_alloc+0x120/0x120 [ 260.577767] Node 0 [ 260.581567] ? print_usage_bug+0xc0/0xc0 [ 260.581600] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 260.581607] lowmem_reserve[]: [ 260.583847] ? __lock_acquire+0x62f/0x4c20 [ 260.587892] 0 0 [ 260.616010] ? __lock_acquire+0x62f/0x4c20 [ 260.619101] 0 0 [ 260.623350] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.629536] ? should_fail+0x22d/0xd01 [ 260.631499] Node 0 [ 260.637056] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.640914] DMA: [ 260.643167] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.648427] 1*4kB [ 260.650487] ? __lock_acquire+0x62f/0x4c20 [ 260.655571] (U) [ 260.657721] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.661936] 0*8kB [ 260.663910] ? __lock_acquire+0x62f/0x4c20 [ 260.668996] 0*16kB [ 260.671153] ? should_fail+0x22d/0xd01 [ 260.675363] 1*32kB (U) [ 260.677627] ? rcu_irq_exit+0x1a2/0x390 [ 260.681493] 2*64kB [ 260.684086] ? mark_held_locks+0x130/0x130 [ 260.688052] (U) [ 260.690294] ? mark_held_locks+0x130/0x130 [ 260.694525] 1*128kB (U) [ 260.696511] ? mark_held_locks+0xc7/0x130 [ 260.700735] 1*256kB [ 260.703404] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 260.707534] (U) [ 260.709858] ? zap_class+0x640/0x640 [ 260.714853] 0*512kB [ 260.716826] ? print_usage_bug+0xc0/0xc0 [ 260.720519] 1*1024kB [ 260.722844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.726892] (U) [ 260.729325] ? check_preemption_disabled+0x48/0x280 [ 260.734834] 1*2048kB (M) [ 260.736831] ? __lock_is_held+0xb5/0x140 [ 260.741825] 3*4096kB (M) [ 260.744616] __alloc_pages_nodemask+0xa80/0xde0 [ 260.748653] = 15908kB [ 260.751410] ? zap_class+0x640/0x640 [ 260.756070] Node 0 [ 260.758479] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 260.762171] DMA32: [ 260.764414] ? find_held_lock+0x36/0x1c0 [ 260.769497] 4*4kB [ 260.771740] ? ____cache_alloc_node+0x1c7/0x1e0 [ 260.775775] (M) [ 260.777931] ? lock_downgrade+0x900/0x900 [ 260.782602] 0*8kB [ 260.784577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.788713] 2*16kB [ 260.790861] cache_grow_begin+0xa5/0x8c0 [ 260.796382] (M) [ 260.798621] ? do_raw_spin_unlock+0xa7/0x330 [ 260.802661] 2*32kB [ 260.804638] fallback_alloc+0x204/0x2e0 [ 260.809035] (UM) [ 260.811280] ____cache_alloc_node+0x1c7/0x1e0 [ 260.815245] 4*64kB [ 260.817329] kmem_cache_alloc_node+0xe3/0x730 [ 260.821800] (UM) [ 260.824052] ? ipv6_get_ifaddr+0x42e/0x620 [ 260.828523] 4*128kB [ 260.830592] __alloc_skb+0x119/0x770 [ 260.834798] (M) [ 260.837149] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 260.840837] 3*256kB [ 260.842824] ? netdev_alloc_frag+0x1f0/0x1f0 [ 260.848098] (M) [ 260.850424] ? lock_downgrade+0x900/0x900 [ 260.854810] 4*512kB (UM) [ 260.856799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.860927] 3*1024kB (UM) [ 260.863700] ? refcount_sub_and_test_checked+0x203/0x310 [ 260.869219] 3*2048kB [ 260.872085] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 260.877515] (UM) [ 260.879926] ? addrconf_rs_timer+0x690/0x690 [ 260.885353] 3*4096kB (M) [ 260.887435] ndisc_alloc_skb+0x144/0x340 [ 260.891817] = 25200kB [ 260.894571] ndisc_send_rs+0x331/0x6e0 [ 260.898615] Node 0 [ 260.901058] addrconf_rs_timer+0x314/0x690 [ 260.904922] Normal: [ 260.907161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.911378] 786*4kB [ 260.913720] call_timer_fn+0x272/0x920 [ 260.917923] (MEH) 440*8kB [ 260.920264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.924135] (UMEH) [ 260.926993] ? process_timeout+0x40/0x40 [ 260.931207] 141*16kB [ 260.933450] ? __run_timers+0x7da/0xc70 [ 260.937486] (MEH) [ 260.939901] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.943855] 54*32kB [ 260.946013] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.950496] (MEH) [ 260.952819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.957297] 14*64kB [ 260.959448] ? lockdep_hardirqs_on+0x296/0x5b0 [ 260.963659] (UME) 1*128kB [ 260.965996] ? trace_hardirqs_on+0xbd/0x310 [ 260.970561] (H) [ 260.973408] ? kasan_check_read+0x11/0x20 [ 260.977714] 1*256kB [ 260.979690] ? __run_timers+0x7da/0xc70 [ 260.983818] (H) 2*512kB [ 260.986190] ? trace_hardirqs_off_caller+0x310/0x310 [ 260.990158] (H) [ 260.992826] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.997912] 1*1024kB [ 260.999887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.004105] (U) [ 261.006520] __run_timers+0x7e5/0xc70 [ 261.010737] 0*2048kB [ 261.012723] ? timer_fixup_init+0x70/0x70 [ 261.016492] 0*4096kB = 13976kB [ 261.018926] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 261.023075] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 261.026259] ? zap_class+0x640/0x640 [ 261.031264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 261.040093] ? enqueue_hrtimer+0x1a5/0x560 [ 261.043791] 163 total pagecache pages [ 261.052362] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 261.056585] 0 pages in swap cache [ 261.060381] ? find_held_lock+0x36/0x1c0 [ 261.065553] Swap cache stats: add 0, delete 0, find 0/0 [ 261.068996] ? zap_class+0x640/0x640 [ 261.073044] Free swap = 0kB [ 261.078415] ? pvclock_read_flags+0x160/0x160 [ 261.082100] Total swap = 0kB [ 261.082109] 1965979 pages RAM [ 261.085131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.089598] 0 pages HighMem/MovableOnly [ 261.089607] 342867 pages reserved [ 261.092638] ? check_preemption_disabled+0x48/0x280 [ 261.095726] 0 pages cma reserved [ 261.095812] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.101273] ? __lock_is_held+0xb5/0x140 [ 261.105338] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.108680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.113678] syz-fuzzer cpuset= [ 261.117059] ? check_preemption_disabled+0x48/0x280 [ 261.123551] / [ 261.127606] run_timer_softirq+0x52/0xb0 [ 261.137814] mems_allowed=0 [ 261.143355] ? rcu_read_lock_sched_held+0x14f/0x180 [ 261.165217] __do_softirq+0x308/0xb7e [ 261.169064] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 261.173580] ? lock_downgrade+0x900/0x900 [ 261.177734] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 261.182849] ? pvclock_read_flags+0x160/0x160 [ 261.187353] ? lapic_next_event+0x5a/0x90 [ 261.191512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.197070] ? kvm_clock_read+0x18/0x30 [ 261.201065] ? kvm_sched_clock_read+0x9/0x20 [ 261.205497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.211055] ? check_preemption_disabled+0x48/0x280 [ 261.216088] irq_exit+0x17f/0x1c0 [ 261.219547] smp_apic_timer_interrupt+0x1cb/0x760 [ 261.224392] ? smp_reschedule_interrupt+0x109/0x650 [ 261.230163] ? smp_call_function_single_interrupt+0x650/0x650 [ 261.236063] ? interrupt_entry+0xb5/0xc0 [ 261.240132] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.245237] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.250269] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.255117] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.260142] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.265178] ? task_prio+0x50/0x50 [ 261.268724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.274269] ? check_preemption_disabled+0x48/0x280 [ 261.279295] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.284153] apic_timer_interrupt+0xf/0x20 [ 261.288396] [ 261.290642] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 261.296579] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 261.315479] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 261.323226] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 261.330503] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 261.337795] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 261.345086] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 261.352364] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 261.359659] ? save_stack+0xa9/0xd0 [ 261.363301] __kmalloc_node_track_caller+0x33/0x70 [ 261.368242] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 261.373038] pskb_expand_head+0x230/0x10f0 [ 261.377319] ? memcpy+0x45/0x50 [ 261.380632] ? __copy_skb_header+0x350/0x6b0 [ 261.385068] ? skb_release_data+0x880/0x880 [ 261.389396] ? __alloc_skb+0x770/0x770 [ 261.393297] ? __lock_is_held+0xb5/0x140 [ 261.397374] ? kasan_check_write+0x14/0x20 [ 261.401611] ? __skb_clone+0x6c7/0xa00 [ 261.405507] ? __copy_skb_header+0x6b0/0x6b0 [ 261.409919] ? kmem_cache_alloc+0x33a/0x730 [ 261.414251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.419806] skb_ensure_writable+0x3dd/0x640 [ 261.424228] ? skb_checksum_setup+0xaa0/0xaa0 [ 261.428728] ? check_preemption_disabled+0x48/0x280 [ 261.433767] ? __this_cpu_preempt_check+0x1c/0x20 [ 261.438639] ? __bpf_redirect+0x54b/0xb20 [ 261.442810] bpf_clone_redirect+0x14a/0x490 [ 261.447160] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 261.452195] ? __sched_text_start+0x8/0x8 [ 261.456809] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.461599] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 261.466228] ? retint_kernel+0x2d/0x2d [ 261.470137] ? find_held_lock+0x36/0x1c0 [ 261.474219] ? lock_acquire+0x1ed/0x520 [ 261.478201] ? bpf_test_run+0x3cb/0x780 [ 261.482185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.487729] ? check_preemption_disabled+0x48/0x280 [ 261.492760] ? kasan_check_read+0x11/0x20 [ 261.496915] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.502199] ? rcu_softirq_qs+0x20/0x20 [ 261.506183] ? preempt_schedule+0x4d/0x60 [ 261.510338] ? ___preempt_schedule+0x16/0x18 [ 261.514762] ? bpf_test_run+0x25d/0x780 [ 261.518752] ? netlink_diag_dump+0x2a0/0x2a0 [ 261.523170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.528708] ? bpf_test_init.isra.10+0x70/0x100 [ 261.533388] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 261.538168] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 261.543031] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 261.548583] ? fput+0x130/0x1a0 [ 261.551885] ? __bpf_prog_get+0x9b/0x290 [ 261.555957] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 261.560803] ? bpf_prog_test_run+0x130/0x1a0 [ 261.565358] ? __x64_sys_bpf+0x3d8/0x520 [ 261.569423] ? bpf_prog_get+0x20/0x20 [ 261.573250] ? do_syscall_64+0x1b9/0x820 [ 261.577318] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 261.582698] ? syscall_return_slowpath+0x5e0/0x5e0 [ 261.587644] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.592664] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 261.597698] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 261.604384] ? __switch_to_asm+0x40/0x70 [ 261.608453] ? __switch_to_asm+0x34/0x70 [ 261.612530] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.617392] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 261.622924] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 261.623055] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.629608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.629614] Call Trace: [ 261.629623] [ 261.629647] dump_stack+0x244/0x39d [ 261.629666] ? dump_stack_print_info.cold.1+0x20/0x20 [ 261.636248] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.645518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.648084] syz-executor5 cpuset= [ 261.650240] warn_alloc.cold.117+0xb7/0x1bd [ 261.653840] syz5 [ 261.659066] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.669538] mems_allowed=0 [ 261.675094] ? lock_downgrade+0x900/0x900 [ 261.696717] ? trace_hardirqs_off+0xb8/0x310 [ 261.701149] ? trace_hardirqs_off+0xb8/0x310 [ 261.705584] __alloc_pages_slowpath+0x2660/0x2d70 [ 261.710482] ? warn_alloc+0x120/0x120 [ 261.714304] ? warn_alloc+0x120/0x120 [ 261.718119] ? print_usage_bug+0xc0/0xc0 [ 261.722198] ? warn_alloc+0x120/0x120 [ 261.726027] ? print_usage_bug+0xc0/0xc0 [ 261.730106] ? __lock_acquire+0x62f/0x4c20 [ 261.734366] ? __lock_acquire+0x62f/0x4c20 [ 261.738635] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.744187] ? should_fail+0x22d/0xd01 [ 261.748091] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.753384] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.758501] ? __lock_acquire+0x62f/0x4c20 [ 261.762748] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.767856] ? __lock_acquire+0x62f/0x4c20 [ 261.772092] ? should_fail+0x22d/0xd01 [ 261.775988] ? rcu_irq_exit+0x1a2/0x390 [ 261.779990] ? mark_held_locks+0x130/0x130 [ 261.784246] ? mark_held_locks+0x130/0x130 [ 261.788492] ? mark_held_locks+0xc7/0x130 [ 261.792647] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 261.797671] ? zap_class+0x640/0x640 [ 261.801392] ? print_usage_bug+0xc0/0xc0 [ 261.805475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.811035] ? check_preemption_disabled+0x48/0x280 [ 261.816082] ? __lock_is_held+0xb5/0x140 [ 261.820176] __alloc_pages_nodemask+0xa80/0xde0 [ 261.824877] ? zap_class+0x640/0x640 [ 261.828628] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 261.833673] ? find_held_lock+0x36/0x1c0 [ 261.837755] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.842431] ? lock_downgrade+0x900/0x900 [ 261.846592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.852172] cache_grow_begin+0xa5/0x8c0 [ 261.856242] ? do_raw_spin_unlock+0xa7/0x330 [ 261.860662] fallback_alloc+0x204/0x2e0 [ 261.864648] ____cache_alloc_node+0x1c7/0x1e0 [ 261.869156] kmem_cache_alloc_node+0xe3/0x730 [ 261.873658] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.877910] __alloc_skb+0x119/0x770 [ 261.881637] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 261.886928] ? netdev_alloc_frag+0x1f0/0x1f0 [ 261.891344] ? lock_downgrade+0x900/0x900 [ 261.895516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.901068] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.906535] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.912008] ? addrconf_rs_timer+0x690/0x690 [ 261.916449] ndisc_alloc_skb+0x144/0x340 [ 261.920524] ndisc_send_rs+0x331/0x6e0 [ 261.924435] addrconf_rs_timer+0x314/0x690 [ 261.928683] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.932975] call_timer_fn+0x272/0x920 [ 261.936879] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.941123] ? process_timeout+0x40/0x40 [ 261.945220] ? mark_held_locks+0xc7/0x130 [ 261.949380] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.953885] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.958383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.962626] ? lockdep_hardirqs_on+0x296/0x5b0 [ 261.967220] ? trace_hardirqs_on+0xbd/0x310 [ 261.971555] ? kasan_check_read+0x11/0x20 [ 261.975714] ? __run_timers+0x7da/0xc70 [ 261.979698] ? trace_hardirqs_off_caller+0x310/0x310 [ 261.984802] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.989050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.993302] __run_timers+0x7e5/0xc70 [ 261.997129] ? timer_fixup_init+0x70/0x70 [ 262.001295] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.006321] ? zap_class+0x640/0x640 [ 262.010052] ? print_usage_bug+0xc0/0xc0 [ 262.014127] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 262.019341] ? find_held_lock+0x36/0x1c0 [ 262.023422] ? zap_class+0x640/0x640 [ 262.027161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.032709] ? check_preemption_disabled+0x48/0x280 [ 262.037757] ? __lock_is_held+0xb5/0x140 [ 262.041854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.047400] ? check_preemption_disabled+0x48/0x280 [ 262.052453] run_timer_softirq+0x52/0xb0 [ 262.056521] ? rcu_read_lock_sched_held+0x14f/0x180 [ 262.061564] __do_softirq+0x308/0xb7e [ 262.065379] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 262.069880] ? lock_downgrade+0x900/0x900 [ 262.074043] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 262.079182] ? pvclock_read_flags+0x160/0x160 [ 262.083711] ? lapic_next_event+0x5a/0x90 [ 262.087867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.093415] ? kvm_clock_read+0x18/0x30 [ 262.097396] ? kvm_sched_clock_read+0x9/0x20 [ 262.101810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.107353] ? check_preemption_disabled+0x48/0x280 [ 262.112384] irq_exit+0x17f/0x1c0 [ 262.115844] smp_apic_timer_interrupt+0x1cb/0x760 [ 262.120691] ? smp_reschedule_interrupt+0x109/0x650 [ 262.125712] ? smp_call_function_single_interrupt+0x650/0x650 [ 262.131607] ? interrupt_entry+0xb5/0xc0 [ 262.135678] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.140700] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.145721] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.150581] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.155596] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.160615] ? task_prio+0x50/0x50 [ 262.164165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.169708] ? check_preemption_disabled+0x48/0x280 [ 262.174733] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.179628] apic_timer_interrupt+0xf/0x20 [ 262.183860] [ 262.186107] RIP: 0010:console_unlock+0xffa/0x1160 [ 262.190958] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 262.209862] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 262.217576] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 262.224850] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 262.232124] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 262.239395] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 262.246665] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 262.253959] ? netconsole_netdev_event+0x280/0x280 [ 262.258903] ? console_unlock+0xff1/0x1160 [ 262.263179] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 262.267882] ? lock_release+0xa00/0xa00 [ 262.271862] ? interrupt_entry+0xc0/0xc0 [ 262.275965] vprintk_emit+0x33d/0x930 [ 262.279774] ? wake_up_klogd+0x180/0x180 [ 262.283844] ? attach_entity_load_avg+0x810/0x860 [ 262.288689] ? __lock_acquire+0x600/0x4c20 [ 262.292930] ? mark_held_locks+0x130/0x130 [ 262.297171] ? print_usage_bug+0xc0/0xc0 [ 262.301247] ? find_held_lock+0x36/0x1c0 [ 262.305333] ? mark_held_locks+0xc7/0x130 [ 262.309487] vprintk_default+0x28/0x30 [ 262.313381] vprintk_func+0x7e/0x181 [ 262.317102] printk+0xa7/0xcf [ 262.320217] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 262.325006] show_free_areas.cold.118+0x1f34/0x215d [ 262.330077] ? si_meminfo_node+0x260/0x260 [ 262.334331] ? __lock_acquire+0x62f/0x4c20 [ 262.338587] ? __lock_acquire+0x62f/0x4c20 [ 262.342823] ? __lock_is_held+0xb5/0x140 [ 262.346915] ? mark_held_locks+0x130/0x130 [ 262.351161] ? zap_class+0x640/0x640 [ 262.354883] ? put_dec+0x3b/0xf0 [ 262.358257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.363818] ? find_held_lock+0x36/0x1c0 [ 262.367944] ? serial8250_console_write+0x8b3/0xb10 [ 262.372960] ? lock_downgrade+0x900/0x900 [ 262.377114] ? zap_class+0x640/0x640 [ 262.380843] ? zap_class+0x640/0x640 [ 262.384569] ? print_usage_bug+0xc0/0xc0 [ 262.388631] ? do_raw_spin_unlock+0xa7/0x330 [ 262.393055] ? trace_hardirqs_on+0x310/0x310 [ 262.397480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.403050] ? find_held_lock+0x36/0x1c0 [ 262.407232] ? mark_held_locks+0xc7/0x130 [ 262.411393] ? console_unlock+0xfcd/0x1160 [ 262.415635] ? netconsole_netdev_event+0x280/0x280 [ 262.420578] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 262.425174] ? trace_hardirqs_on+0xbd/0x310 [ 262.429502] ? vprintk_emit+0x33d/0x930 [ 262.433495] ? trace_hardirqs_off_caller+0x310/0x310 [ 262.438616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.444175] ? netconsole_netdev_event+0x280/0x280 [ 262.449106] ? console_unlock+0x8d8/0x1160 [ 262.453379] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 262.458084] ? vprintk_emit+0x7f7/0x930 [ 262.462064] ? lock_release+0xa00/0xa00 [ 262.466052] ? preempt_count_add+0xbc/0x1b0 [ 262.470375] ? wake_up_klogd+0x11a/0x180 [ 262.474441] ? console_device+0xc0/0xc0 [ 262.478419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.483962] ? vprintk_emit+0x268/0x930 [ 262.487939] ? wake_up_klogd+0x180/0x180 [ 262.491999] ? trace_hardirqs_on_caller+0xc0/0x310 [ 262.496942] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.501714] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.507178] ? retint_kernel+0x1b/0x2d [ 262.511083] ? trace_hardirqs_on+0x310/0x310 [ 262.515519] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.520313] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 262.525081] ? show_mem+0x1e/0x17b [ 262.528633] show_mem+0x34/0x17b [ 262.532044] dump_header+0x2f1/0xf72 [ 262.535779] ? mark_held_locks+0x130/0x130 [ 262.540030] ? pagefault_out_of_memory+0x197/0x197 [ 262.544972] ? __lock_acquire+0x62f/0x4c20 [ 262.549213] ? zap_class+0x640/0x640 [ 262.552938] ? percpu_ref_get_many+0x240/0x240 [ 262.557528] ? print_usage_bug+0xc0/0xc0 [ 262.561613] ? print_usage_bug+0xc0/0xc0 [ 262.565686] ? zap_class+0x640/0x640 [ 262.569411] ? print_usage_bug+0xc0/0xc0 [ 262.573488] ? print_usage_bug+0xc0/0xc0 [ 262.577585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.583132] ? find_held_lock+0x36/0x1c0 [ 262.587205] ? mark_held_locks+0xc7/0x130 [ 262.591366] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 262.596493] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 262.601602] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 262.606195] ? trace_hardirqs_on+0xbd/0x310 [ 262.610522] ? kasan_check_read+0x11/0x20 [ 262.614681] ? ___ratelimit+0x3b4/0x672 [ 262.618670] ? trace_hardirqs_off_caller+0x310/0x310 [ 262.623779] ? trace_hardirqs_on+0x310/0x310 [ 262.628191] ? lock_downgrade+0x900/0x900 [ 262.632349] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 262.637459] ? ___ratelimit+0x3b9/0x672 [ 262.641439] ? idr_get_free+0xec0/0xec0 [ 262.645430] ? kasan_check_read+0x11/0x20 [ 262.649580] ? do_raw_spin_unlock+0xa7/0x330 [ 262.654000] oom_kill_process.cold.27+0x10/0x903 [ 262.658770] ? zap_class+0x640/0x640 [ 262.662490] ? _raw_spin_unlock+0x2c/0x50 [ 262.666640] ? oom_badness+0xe6/0xaa0 [ 262.670451] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 262.675385] ? kasan_check_read+0x11/0x20 [ 262.679537] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.684826] ? oom_evaluate_task+0x540/0x540 [ 262.689253] ? find_held_lock+0x36/0x1c0 [ 262.693336] ? out_of_memory+0x974/0x1430 [ 262.697495] ? lock_downgrade+0x900/0x900 [ 262.701650] ? check_preemption_disabled+0x48/0x280 [ 262.706680] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 262.711621] ? kasan_check_read+0x11/0x20 [ 262.715778] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.721063] ? rcu_softirq_qs+0x20/0x20 [ 262.725060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.730610] ? oom_evaluate_task+0x302/0x540 [ 262.735044] out_of_memory+0xa84/0x1430 [ 262.739050] ? oom_killer_disable+0x3a0/0x3a0 [ 262.743572] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 262.748514] ? __mutex_add_waiter+0x2a0/0x2a0 [ 262.753048] __alloc_pages_slowpath+0x22d4/0x2d70 [ 262.757929] ? warn_alloc+0x120/0x120 [ 262.761736] ? rcu_softirq_qs+0x20/0x20 [ 262.765745] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.771285] ? should_fail+0x22d/0xd01 [ 262.775183] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.780296] ? zap_class+0x640/0x640 [ 262.784055] ? __lock_is_held+0xb5/0x140 [ 262.788132] ? mark_held_locks+0x130/0x130 [ 262.792375] ? lock_release+0xa00/0xa00 [ 262.796354] ? perf_trace_sched_process_exec+0x860/0x860 [ 262.801817] ? __might_sleep+0x95/0x190 [ 262.805800] __alloc_pages_nodemask+0xa80/0xde0 [ 262.810480] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 262.815503] ? __page_cache_alloc+0x191/0x5c0 [ 262.820004] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 262.824956] ? kasan_check_read+0x11/0x20 [ 262.829111] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.834395] ? zap_class+0x640/0x640 [ 262.838120] ? zap_class+0x640/0x640 [ 262.841842] ? zap_class+0x640/0x640 [ 262.845577] ? __do_page_cache_readahead+0x7ce/0x980 [ 262.850693] ? find_held_lock+0x36/0x1c0 [ 262.854770] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 262.860324] alloc_pages_current+0x173/0x350 [ 262.864749] __page_cache_alloc+0x38c/0x5c0 [ 262.869079] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 262.874023] ? kasan_check_read+0x11/0x20 [ 262.878184] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 262.883481] ? generic_perform_write+0x6a0/0x6a0 [ 262.888261] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.893806] ? check_preemption_disabled+0x48/0x280 [ 262.898835] filemap_fault+0x1594/0x25f0 [ 262.902910] ? __lock_page_or_retry+0xa00/0xa00 [ 262.907587] ? mark_held_locks+0x130/0x130 [ 262.911829] ? rcu_softirq_qs+0x20/0x20 [ 262.915820] ? filemap_map_pages+0xe04/0x1990 [ 262.920337] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 262.925279] ? futex_wait_setup+0x15c/0x3e0 [ 262.929610] ? zap_class+0x640/0x640 [ 262.933340] ? lock_acquire+0x1ed/0x520 [ 262.937340] ? alloc_set_pte+0x1447/0x1f40 [ 262.941614] ? lock_acquire+0x1ed/0x520 [ 262.945607] ? ext4_filemap_fault+0x7a/0xad [ 262.949935] ? lock_release+0xa00/0xa00 [ 262.953909] ? perf_trace_sched_process_exec+0x860/0x860 [ 262.959386] ? print_usage_bug+0xc0/0xc0 [ 262.963466] ? print_usage_bug+0xc0/0xc0 [ 262.967564] ? down_read+0x8d/0x120 [ 262.971190] ? ext4_filemap_fault+0x7a/0xad [ 262.975528] ? __down_interruptible+0x700/0x700 [ 262.980222] ext4_filemap_fault+0x82/0xad [ 262.984376] __do_fault+0x100/0x6b0 [ 262.988009] ? unlock_page+0x2c2/0x4c0 [ 262.991917] ? pmd_devmap_trans_unstable+0x220/0x220 [ 262.997037] ? mark_held_locks+0x130/0x130 [ 263.001280] ? mark_held_locks+0x130/0x130 [ 263.005517] ? do_raw_spin_trylock+0x270/0x270 [ 263.010118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.015663] __handle_mm_fault+0x307c/0x5920 [ 263.020092] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 263.024945] ? kasan_check_read+0x11/0x20 [ 263.029126] ? _copy_to_user+0xc8/0x110 [ 263.033106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.038658] ? zap_class+0x640/0x640 [ 263.042377] ? zap_class+0x640/0x640 [ 263.046102] ? find_held_lock+0x36/0x1c0 [ 263.050197] ? handle_mm_fault+0x42a/0xc70 [ 263.054440] ? lock_downgrade+0x900/0x900 [ 263.058606] ? check_preemption_disabled+0x48/0x280 [ 263.063670] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 263.068602] ? kasan_check_read+0x11/0x20 [ 263.072754] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.078055] ? rcu_softirq_qs+0x20/0x20 [ 263.082059] ? trace_hardirqs_off_caller+0x310/0x310 [ 263.087170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.092709] ? check_preemption_disabled+0x48/0x280 [ 263.097748] handle_mm_fault+0x54f/0xc70 [ 263.101839] ? __handle_mm_fault+0x5920/0x5920 [ 263.106433] ? find_vma+0x34/0x190 [ 263.109983] __do_page_fault+0x5e8/0xe60 [ 263.114057] ? trace_hardirqs_off+0xb8/0x310 [ 263.118470] ? __ia32_sys_read+0xb0/0xb0 [ 263.122555] do_page_fault+0xf2/0x7e0 [ 263.126364] ? vmalloc_sync_all+0x30/0x30 [ 263.130525] ? error_entry+0x70/0xd0 [ 263.134248] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.139267] ? trace_hardirqs_on_caller+0xc0/0x310 [ 263.144206] ? syscall_return_slowpath+0x5e0/0x5e0 [ 263.149139] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.153986] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.159014] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.164494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.170044] ? prepare_exit_to_usermode+0x291/0x3b0 [ 263.175076] ? page_fault+0x8/0x30 [ 263.178624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.183485] ? page_fault+0x8/0x30 [ 263.187044] page_fault+0x1e/0x30 [ 263.190505] RIP: 0033:0x4727a0 [ 263.193718] Code: Bad RIP value. [ 263.197085] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 263.202454] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 263.209741] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 263.218075] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 263.225355] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 263.232629] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 263.239930] warn_alloc_show_mem: 1 callbacks suppressed [ 263.239943] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 263.239945] Mem-Info: [ 263.239979] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 263.239979] active_file:12 inactive_file:13 isolated_file:0 [ 263.239979] unevictable:0 dirty:0 writeback:0 unstable:0 [ 263.239979] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 263.239979] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 263.239979] free:13771 free_pcp:124 free_cma:0 [ 263.245327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.245339] Call Trace: [ 263.252299] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 263.254716] [ 263.287608] Node 0 [ 263.297006] dump_stack+0x244/0x39d [ 263.299593] 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 [ 263.326983] ? dump_stack_print_info.cold.1+0x20/0x20 [ 263.329123] lowmem_reserve[]: [ 263.331372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.334975] 0 [ 263.360485] warn_alloc.cold.117+0xb7/0x1bd [ 263.365668] 2818 [ 263.368776] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 263.374294] 6321 [ 263.376100] ? lock_downgrade+0x900/0x900 [ 263.380399] 6321 [ 263.382477] ? trace_hardirqs_off+0xb8/0x310 [ 263.389383] ? trace_hardirqs_off+0xb8/0x310 [ 263.393511] Node 0 [ 263.395581] __alloc_pages_slowpath+0x2660/0x2d70 [ 263.399990] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 263.404395] ? warn_alloc+0x120/0x120 [ 263.406588] lowmem_reserve[]: [ 263.411433] ? warn_alloc+0x120/0x120 [ 263.438399] 0 [ 263.442217] ? print_usage_bug+0xc0/0xc0 [ 263.445303] 0 [ 263.449105] ? warn_alloc+0x120/0x120 [ 263.450890] 3503 [ 263.455427] ? print_usage_bug+0xc0/0xc0 [ 263.457216] 3503 [ 263.461024] ? __lock_acquire+0x62f/0x4c20 [ 263.467131] ? __lock_acquire+0x62f/0x4c20 [ 263.469175] Node 0 [ 263.473411] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.477648] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 263.479858] ? should_fail+0x22d/0xd01 [ 263.485373] lowmem_reserve[]: [ 263.513500] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.513518] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.517402] 0 [ 263.520514] ? __lock_acquire+0x62f/0x4c20 [ 263.525770] 0 [ 263.530874] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.532658] 0 [ 263.536895] ? __lock_acquire+0x62f/0x4c20 [ 263.538679] 0 [ 263.543780] ? should_fail+0x22d/0xd01 [ 263.549809] ? rcu_irq_exit+0x1a2/0x390 [ 263.551596] Node 0 [ 263.555499] ? mark_held_locks+0x130/0x130 [ 263.559451] DMA: [ 263.561872] ? mark_held_locks+0x130/0x130 [ 263.566093] 1*4kB [ 263.568161] ? mark_held_locks+0xc7/0x130 [ 263.572375] (U) [ 263.574540] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 263.578666] 0*8kB 0*16kB [ 263.580649] ? zap_class+0x640/0x640 [ 263.585646] 1*32kB [ 263.588402] ? print_usage_bug+0xc0/0xc0 [ 263.592096] (U) [ 263.594337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.598379] 2*64kB [ 263.600356] ? check_preemption_disabled+0x48/0x280 [ 263.605883] (U) [ 263.608128] ? __lock_is_held+0xb5/0x140 [ 263.613122] 1*128kB [ 263.615100] __alloc_pages_nodemask+0xa80/0xde0 [ 263.619140] (U) [ 263.621464] ? zap_class+0x640/0x640 [ 263.626123] 1*256kB [ 263.628103] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 263.631810] (U) [ 263.634139] ? find_held_lock+0x36/0x1c0 [ 263.639131] 0*512kB [ 263.641116] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.645154] 1*1024kB [ 263.647478] ? lock_downgrade+0x900/0x900 [ 263.652122] (U) 1*2048kB [ 263.654548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.658679] (M) [ 263.661438] cache_grow_begin+0xa5/0x8c0 [ 263.666953] 3*4096kB [ 263.668941] ? do_raw_spin_unlock+0xa7/0x330 [ 263.672973] (M) = 15908kB [ 263.672982] Node 0 DMA32: 4*4kB (M) 0*8kB 2*16kB (M) 2*32kB (UM) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB [ 263.675471] fallback_alloc+0x204/0x2e0 [ 263.679852] (UM) 3*1024kB [ 263.682627] ____cache_alloc_node+0x1c7/0x1e0 [ 263.692652] (UM) 3*2048kB [ 263.696645] kmem_cache_alloc_node+0xe3/0x730 [ 263.699486] (UM) 3*4096kB [ 263.703996] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.706819] (M) [ 263.711318] __alloc_skb+0x119/0x770 [ 263.714140] = 25200kB [ 263.718728] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 263.720681] Node 0 [ 263.724391] ? netdev_alloc_frag+0x1f0/0x1f0 [ 263.726783] Normal: [ 263.732094] ? lock_downgrade+0x900/0x900 [ 263.734349] 786*4kB [ 263.741735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.744042] (MEH) 440*8kB (UMEH) [ 263.748212] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.750559] 141*16kB (MEH) [ 263.757125] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.760584] 54*32kB [ 263.766040] ? addrconf_rs_timer+0x690/0x690 [ 263.768967] (MEH) [ 263.774437] ndisc_alloc_skb+0x144/0x340 [ 263.776737] 14*64kB [ 263.781146] ndisc_send_rs+0x331/0x6e0 [ 263.783310] (UME) 1*128kB [ 263.787384] addrconf_rs_timer+0x314/0x690 [ 263.789704] (H) [ 263.793594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.796432] 1*256kB [ 263.800681] call_timer_fn+0x272/0x920 [ 263.802630] (H) [ 263.808697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.811006] 2*512kB [ 263.814898] ? process_timeout+0x40/0x40 [ 263.816864] (H) [ 263.821567] ? __run_timers+0x7da/0xc70 [ 263.823890] 1*1024kB (U) [ 263.828106] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.830072] 0*2048kB [ 263.834051] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.836796] 0*4096kB [ 263.841290] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.843699] = 13976kB [ 263.848190] ? lockdep_hardirqs_on+0x296/0x5b0 [ 263.850587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 263.854814] ? trace_hardirqs_on+0xbd/0x310 [ 263.857215] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 263.861791] ? kasan_check_read+0x11/0x20 [ 263.870610] 163 total pagecache pages [ 263.874931] ? __run_timers+0x7da/0xc70 [ 263.883496] 0 pages in swap cache [ 263.888265] ? trace_hardirqs_off_caller+0x310/0x310 [ 263.892067] Swap cache stats: add 0, delete 0, find 0/0 [ 263.896074] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.899506] Free swap = 0kB [ 263.904614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.909959] Total swap = 0kB [ 263.914193] __run_timers+0x7e5/0xc70 [ 263.917194] 1965979 pages RAM [ 263.921434] ? timer_fixup_init+0x70/0x70 [ 263.924426] 0 pages HighMem/MovableOnly [ 263.928226] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 263.931310] 342867 pages reserved [ 263.935454] ? zap_class+0x640/0x640 [ 263.939412] 0 pages cma reserved [ 263.944423] ? enqueue_hrtimer+0x1a5/0x560 [ 263.947930] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.951570] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 263.955043] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.959152] ? find_held_lock+0x36/0x1c0 [ 263.965651] syz-fuzzer cpuset= [ 263.970839] ? zap_class+0x640/0x640 [ 263.981049] / mems_allowed=0 [ 263.985127] ? pvclock_read_flags+0x160/0x160 [ 263.999549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.005092] ? check_preemption_disabled+0x48/0x280 [ 264.010123] ? __lock_is_held+0xb5/0x140 [ 264.014189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.019732] ? check_preemption_disabled+0x48/0x280 [ 264.024767] run_timer_softirq+0x52/0xb0 [ 264.028845] ? rcu_read_lock_sched_held+0x14f/0x180 [ 264.033866] __do_softirq+0x308/0xb7e [ 264.037672] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 264.042180] ? lock_downgrade+0x900/0x900 [ 264.046348] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 264.051499] ? pvclock_read_flags+0x160/0x160 [ 264.056001] ? lapic_next_event+0x5a/0x90 [ 264.060198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.065745] ? kvm_clock_read+0x18/0x30 [ 264.069727] ? kvm_sched_clock_read+0x9/0x20 [ 264.074144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.079690] ? check_preemption_disabled+0x48/0x280 [ 264.084719] irq_exit+0x17f/0x1c0 [ 264.088176] smp_apic_timer_interrupt+0x1cb/0x760 [ 264.093039] ? smp_reschedule_interrupt+0x109/0x650 [ 264.098089] ? smp_call_function_single_interrupt+0x650/0x650 [ 264.104828] ? interrupt_entry+0xb5/0xc0 [ 264.108901] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.113922] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.118960] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.123808] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.128851] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.133871] ? task_prio+0x50/0x50 [ 264.137417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.142961] ? check_preemption_disabled+0x48/0x280 [ 264.147990] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.152857] apic_timer_interrupt+0xf/0x20 [ 264.157090] [ 264.159336] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 264.165226] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 264.184128] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 264.191852] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 264.199124] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 264.206393] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 264.213674] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 264.220942] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 264.228242] ? save_stack+0xa9/0xd0 [ 264.231899] __kmalloc_node_track_caller+0x33/0x70 [ 264.236854] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 264.241635] pskb_expand_head+0x230/0x10f0 [ 264.245902] ? memcpy+0x45/0x50 [ 264.249203] ? __copy_skb_header+0x350/0x6b0 [ 264.253614] ? skb_release_data+0x880/0x880 [ 264.257946] ? __alloc_skb+0x770/0x770 [ 264.261849] ? __lock_is_held+0xb5/0x140 [ 264.265936] ? kasan_check_write+0x14/0x20 [ 264.270171] ? __skb_clone+0x6c7/0xa00 [ 264.274074] ? __copy_skb_header+0x6b0/0x6b0 [ 264.278488] ? kmem_cache_alloc+0x33a/0x730 [ 264.282823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.288372] skb_ensure_writable+0x3dd/0x640 [ 264.292806] ? skb_checksum_setup+0xaa0/0xaa0 [ 264.297313] ? check_preemption_disabled+0x48/0x280 [ 264.302335] ? __this_cpu_preempt_check+0x1c/0x20 [ 264.307183] ? __bpf_redirect+0x54b/0xb20 [ 264.311344] bpf_clone_redirect+0x14a/0x490 [ 264.315679] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 264.320703] ? __sched_text_start+0x8/0x8 [ 264.324855] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.329621] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 264.334207] ? retint_kernel+0x2d/0x2d [ 264.338103] ? find_held_lock+0x36/0x1c0 [ 264.342176] ? lock_acquire+0x1ed/0x520 [ 264.346160] ? bpf_test_run+0x3cb/0x780 [ 264.350139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.355688] ? check_preemption_disabled+0x48/0x280 [ 264.360745] ? kasan_check_read+0x11/0x20 [ 264.364898] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 264.370181] ? rcu_softirq_qs+0x20/0x20 [ 264.374160] ? preempt_schedule+0x4d/0x60 [ 264.378312] ? ___preempt_schedule+0x16/0x18 [ 264.382733] ? bpf_test_run+0x25d/0x780 [ 264.386723] ? netlink_diag_dump+0x2a0/0x2a0 [ 264.391137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.396677] ? bpf_test_init.isra.10+0x70/0x100 [ 264.401358] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 264.406127] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 264.410971] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 264.416539] ? fput+0x130/0x1a0 [ 264.419827] ? __bpf_prog_get+0x9b/0x290 [ 264.423896] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 264.428740] ? bpf_prog_test_run+0x130/0x1a0 [ 264.433155] ? __x64_sys_bpf+0x3d8/0x520 [ 264.437222] ? bpf_prog_get+0x20/0x20 [ 264.441059] ? do_syscall_64+0x1b9/0x820 [ 264.445128] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 264.451073] ? syscall_return_slowpath+0x5e0/0x5e0 [ 264.456830] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.461855] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 264.466878] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 264.473567] ? __switch_to_asm+0x40/0x70 [ 264.477644] ? __switch_to_asm+0x34/0x70 [ 264.481735] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.486601] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 264.491990] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 264.492106] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.498680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.498685] Call Trace: [ 264.498693] [ 264.498712] dump_stack+0x244/0x39d [ 264.498732] ? dump_stack_print_info.cold.1+0x20/0x20 [ 264.505327] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.514562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.517131] syz-executor5 cpuset= [ 264.519286] warn_alloc.cold.117+0xb7/0x1bd [ 264.522902] syz5 [ 264.528092] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.538552] mems_allowed=0 [ 264.561588] ? lock_downgrade+0x900/0x900 [ 264.565744] ? trace_hardirqs_off+0xb8/0x310 [ 264.570168] ? trace_hardirqs_off+0xb8/0x310 [ 264.574590] __alloc_pages_slowpath+0x2660/0x2d70 [ 264.579468] ? warn_alloc+0x120/0x120 [ 264.583280] ? warn_alloc+0x120/0x120 [ 264.587088] ? print_usage_bug+0xc0/0xc0 [ 264.591162] ? warn_alloc+0x120/0x120 [ 264.594967] ? print_usage_bug+0xc0/0xc0 [ 264.599041] ? __lock_acquire+0x62f/0x4c20 [ 264.603281] ? __lock_acquire+0x62f/0x4c20 [ 264.607537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.613090] ? should_fail+0x22d/0xd01 [ 264.616990] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 264.622294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.627402] ? __lock_acquire+0x62f/0x4c20 [ 264.631644] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.636751] ? __lock_acquire+0x62f/0x4c20 [ 264.640987] ? should_fail+0x22d/0xd01 [ 264.644900] ? rcu_irq_exit+0x1a2/0x390 [ 264.648920] ? mark_held_locks+0x130/0x130 [ 264.653169] ? mark_held_locks+0x130/0x130 [ 264.657428] ? mark_held_locks+0xc7/0x130 [ 264.661581] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 264.666610] ? zap_class+0x640/0x640 [ 264.670338] ? print_usage_bug+0xc0/0xc0 [ 264.674411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.679958] ? check_preemption_disabled+0x48/0x280 [ 264.684990] ? __lock_is_held+0xb5/0x140 [ 264.689072] __alloc_pages_nodemask+0xa80/0xde0 [ 264.693748] ? zap_class+0x640/0x640 [ 264.697477] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 264.702512] ? find_held_lock+0x36/0x1c0 [ 264.706594] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.711279] ? lock_downgrade+0x900/0x900 [ 264.715442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.720989] cache_grow_begin+0xa5/0x8c0 [ 264.725081] ? do_raw_spin_unlock+0xa7/0x330 [ 264.729504] fallback_alloc+0x204/0x2e0 [ 264.733514] ____cache_alloc_node+0x1c7/0x1e0 [ 264.738087] kmem_cache_alloc_node+0xe3/0x730 [ 264.742602] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.746852] __alloc_skb+0x119/0x770 [ 264.750581] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 264.755869] ? netdev_alloc_frag+0x1f0/0x1f0 [ 264.760280] ? lock_downgrade+0x900/0x900 [ 264.764439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.769988] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.775457] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.780917] ? addrconf_rs_timer+0x690/0x690 [ 264.785344] ndisc_alloc_skb+0x144/0x340 [ 264.789415] ndisc_send_rs+0x331/0x6e0 [ 264.793353] addrconf_rs_timer+0x314/0x690 [ 264.797599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.801855] call_timer_fn+0x272/0x920 [ 264.805760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.810005] ? process_timeout+0x40/0x40 [ 264.814092] ? mark_held_locks+0xc7/0x130 [ 264.818250] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.822762] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.827256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.831499] ? lockdep_hardirqs_on+0x296/0x5b0 [ 264.836115] ? trace_hardirqs_on+0xbd/0x310 [ 264.840438] ? kasan_check_read+0x11/0x20 [ 264.844595] ? __run_timers+0x7da/0xc70 [ 264.848577] ? trace_hardirqs_off_caller+0x310/0x310 [ 264.853704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.857949] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.862201] __run_timers+0x7e5/0xc70 [ 264.866027] ? timer_fixup_init+0x70/0x70 [ 264.870193] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 264.875215] ? zap_class+0x640/0x640 [ 264.878939] ? print_usage_bug+0xc0/0xc0 [ 264.883011] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 264.888225] ? find_held_lock+0x36/0x1c0 [ 264.892294] ? zap_class+0x640/0x640 [ 264.896026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.901574] ? check_preemption_disabled+0x48/0x280 [ 264.906603] ? __lock_is_held+0xb5/0x140 [ 264.910670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.916215] ? check_preemption_disabled+0x48/0x280 [ 264.921241] run_timer_softirq+0x52/0xb0 [ 264.925304] ? rcu_read_lock_sched_held+0x14f/0x180 [ 264.930334] __do_softirq+0x308/0xb7e [ 264.934157] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 264.938666] ? lock_downgrade+0x900/0x900 [ 264.942839] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 264.947981] ? pvclock_read_flags+0x160/0x160 [ 264.952504] ? lapic_next_event+0x5a/0x90 [ 264.956660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.962208] ? kvm_clock_read+0x18/0x30 [ 264.966189] ? kvm_sched_clock_read+0x9/0x20 [ 264.970631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.976174] ? check_preemption_disabled+0x48/0x280 [ 264.981206] irq_exit+0x17f/0x1c0 [ 264.984673] smp_apic_timer_interrupt+0x1cb/0x760 [ 264.989519] ? smp_reschedule_interrupt+0x109/0x650 [ 264.994551] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.000443] ? interrupt_entry+0xb5/0xc0 [ 265.004510] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.009561] ? trace_hardirqs_off_caller+0xbb/0x310 [ 265.014596] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.019447] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.024469] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.029491] ? task_prio+0x50/0x50 [ 265.033043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.038625] ? check_preemption_disabled+0x48/0x280 [ 265.043655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.048515] apic_timer_interrupt+0xf/0x20 [ 265.052750] [ 265.054993] RIP: 0010:console_unlock+0xffa/0x1160 [ 265.059873] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 265.078777] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 265.086490] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 265.093763] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 265.101039] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 265.108310] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 265.115579] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 265.122860] ? netconsole_netdev_event+0x280/0x280 [ 265.127819] ? console_unlock+0xff1/0x1160 [ 265.132084] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 265.136769] ? lock_release+0xa00/0xa00 [ 265.140762] ? interrupt_entry+0xc0/0xc0 [ 265.144840] vprintk_emit+0x33d/0x930 [ 265.148646] ? wake_up_klogd+0x180/0x180 [ 265.152714] ? attach_entity_load_avg+0x810/0x860 [ 265.157563] ? __lock_acquire+0x600/0x4c20 [ 265.161805] ? mark_held_locks+0x130/0x130 [ 265.166067] ? print_usage_bug+0xc0/0xc0 [ 265.170155] ? find_held_lock+0x36/0x1c0 [ 265.174245] ? mark_held_locks+0xc7/0x130 [ 265.178411] vprintk_default+0x28/0x30 [ 265.182301] vprintk_func+0x7e/0x181 [ 265.186028] printk+0xa7/0xcf [ 265.189139] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 265.193920] show_free_areas.cold.118+0x1f34/0x215d [ 265.198963] ? si_meminfo_node+0x260/0x260 [ 265.203208] ? __lock_acquire+0x62f/0x4c20 [ 265.207448] ? __lock_acquire+0x62f/0x4c20 [ 265.211688] ? __lock_is_held+0xb5/0x140 [ 265.215793] ? mark_held_locks+0x130/0x130 [ 265.220046] ? zap_class+0x640/0x640 [ 265.223796] ? put_dec+0x3b/0xf0 [ 265.227170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.232746] ? find_held_lock+0x36/0x1c0 [ 265.236836] ? serial8250_console_write+0x8b3/0xb10 [ 265.241857] ? lock_downgrade+0x900/0x900 [ 265.246008] ? zap_class+0x640/0x640 [ 265.249738] ? zap_class+0x640/0x640 [ 265.253459] ? print_usage_bug+0xc0/0xc0 [ 265.257523] ? do_raw_spin_unlock+0xa7/0x330 [ 265.261943] ? trace_hardirqs_on+0x310/0x310 [ 265.266359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.271912] ? find_held_lock+0x36/0x1c0 [ 265.276003] ? mark_held_locks+0xc7/0x130 [ 265.280166] ? console_unlock+0xfcd/0x1160 [ 265.284414] ? netconsole_netdev_event+0x280/0x280 [ 265.289351] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 265.293944] ? trace_hardirqs_on+0xbd/0x310 [ 265.298269] ? vprintk_emit+0x33d/0x930 [ 265.302265] ? trace_hardirqs_off_caller+0x310/0x310 [ 265.307375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.312925] ? netconsole_netdev_event+0x280/0x280 [ 265.317861] ? console_unlock+0x8d8/0x1160 [ 265.322130] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 265.326806] ? vprintk_emit+0x7f7/0x930 [ 265.330789] ? lock_release+0xa00/0xa00 [ 265.334771] ? preempt_count_add+0xbc/0x1b0 [ 265.339099] ? wake_up_klogd+0x11a/0x180 [ 265.343164] ? console_device+0xc0/0xc0 [ 265.347148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.352697] ? vprintk_emit+0x268/0x930 [ 265.356678] ? wake_up_klogd+0x180/0x180 [ 265.360742] ? trace_hardirqs_on_caller+0xc0/0x310 [ 265.365678] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.370443] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.375908] ? retint_kernel+0x1b/0x2d [ 265.379814] ? trace_hardirqs_on+0x310/0x310 [ 265.384234] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.389028] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 265.393797] ? show_mem+0x1e/0x17b [ 265.397345] show_mem+0x34/0x17b [ 265.400725] dump_header+0x2f1/0xf72 [ 265.404451] ? mark_held_locks+0x130/0x130 [ 265.408697] ? pagefault_out_of_memory+0x197/0x197 [ 265.413663] ? __lock_acquire+0x62f/0x4c20 [ 265.417918] ? zap_class+0x640/0x640 [ 265.421646] ? percpu_ref_get_many+0x240/0x240 [ 265.426235] ? print_usage_bug+0xc0/0xc0 [ 265.430307] ? print_usage_bug+0xc0/0xc0 [ 265.434376] ? zap_class+0x640/0x640 [ 265.438108] ? print_usage_bug+0xc0/0xc0 [ 265.442176] ? print_usage_bug+0xc0/0xc0 [ 265.446270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.451817] ? find_held_lock+0x36/0x1c0 [ 265.456111] ? mark_held_locks+0xc7/0x130 [ 265.460291] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 265.465408] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 265.470517] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 265.475120] ? trace_hardirqs_on+0xbd/0x310 [ 265.479515] ? kasan_check_read+0x11/0x20 [ 265.483693] ? ___ratelimit+0x3b4/0x672 [ 265.487674] ? trace_hardirqs_off_caller+0x310/0x310 [ 265.492785] ? trace_hardirqs_on+0x310/0x310 [ 265.497202] ? lock_downgrade+0x900/0x900 [ 265.501362] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 265.506496] ? ___ratelimit+0x3b9/0x672 [ 265.510482] ? idr_get_free+0xec0/0xec0 [ 265.514458] ? kasan_check_read+0x11/0x20 [ 265.518609] ? do_raw_spin_unlock+0xa7/0x330 [ 265.523042] oom_kill_process.cold.27+0x10/0x903 [ 265.527804] ? zap_class+0x640/0x640 [ 265.531522] ? _raw_spin_unlock+0x2c/0x50 [ 265.535679] ? oom_badness+0xe6/0xaa0 [ 265.539489] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 265.544425] ? kasan_check_read+0x11/0x20 [ 265.548592] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.553875] ? oom_evaluate_task+0x540/0x540 [ 265.558297] ? find_held_lock+0x36/0x1c0 [ 265.562758] ? out_of_memory+0x974/0x1430 [ 265.566912] ? lock_downgrade+0x900/0x900 [ 265.571063] ? check_preemption_disabled+0x48/0x280 [ 265.576090] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 265.581030] ? kasan_check_read+0x11/0x20 [ 265.585191] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.590476] ? rcu_softirq_qs+0x20/0x20 [ 265.594461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.599994] ? oom_evaluate_task+0x302/0x540 [ 265.604415] out_of_memory+0xa84/0x1430 [ 265.608402] ? oom_killer_disable+0x3a0/0x3a0 [ 265.612900] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 265.617845] ? __mutex_add_waiter+0x2a0/0x2a0 [ 265.622360] __alloc_pages_slowpath+0x22d4/0x2d70 [ 265.627237] ? warn_alloc+0x120/0x120 [ 265.631048] ? rcu_softirq_qs+0x20/0x20 [ 265.635088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.640632] ? should_fail+0x22d/0xd01 [ 265.644525] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.649638] ? zap_class+0x640/0x640 [ 265.653397] ? __lock_is_held+0xb5/0x140 [ 265.657469] ? mark_held_locks+0x130/0x130 [ 265.661714] ? lock_release+0xa00/0xa00 [ 265.665701] ? perf_trace_sched_process_exec+0x860/0x860 [ 265.671177] ? __might_sleep+0x95/0x190 [ 265.675162] __alloc_pages_nodemask+0xa80/0xde0 [ 265.679844] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 265.684870] ? __page_cache_alloc+0x191/0x5c0 [ 265.689370] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 265.694305] ? kasan_check_read+0x11/0x20 [ 265.698460] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.703744] ? zap_class+0x640/0x640 [ 265.707486] ? zap_class+0x640/0x640 [ 265.711203] ? zap_class+0x640/0x640 [ 265.714922] ? __do_page_cache_readahead+0x7ce/0x980 [ 265.720041] ? find_held_lock+0x36/0x1c0 [ 265.724117] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 265.729670] alloc_pages_current+0x173/0x350 [ 265.734088] __page_cache_alloc+0x38c/0x5c0 [ 265.738414] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 265.743351] ? kasan_check_read+0x11/0x20 [ 265.747503] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.752790] ? generic_perform_write+0x6a0/0x6a0 [ 265.757558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.763104] ? check_preemption_disabled+0x48/0x280 [ 265.768174] filemap_fault+0x1594/0x25f0 [ 265.772254] ? __lock_page_or_retry+0xa00/0xa00 [ 265.776933] ? mark_held_locks+0x130/0x130 [ 265.781186] ? rcu_softirq_qs+0x20/0x20 [ 265.785181] ? filemap_map_pages+0xe04/0x1990 [ 265.789713] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 265.794655] ? futex_wait_setup+0x15c/0x3e0 [ 265.798993] ? zap_class+0x640/0x640 [ 265.802732] ? lock_acquire+0x1ed/0x520 [ 265.806716] ? alloc_set_pte+0x1447/0x1f40 [ 265.810974] ? lock_acquire+0x1ed/0x520 [ 265.814967] ? ext4_filemap_fault+0x7a/0xad [ 265.819296] ? lock_release+0xa00/0xa00 [ 265.823273] ? perf_trace_sched_process_exec+0x860/0x860 [ 265.828731] ? print_usage_bug+0xc0/0xc0 [ 265.832817] ? print_usage_bug+0xc0/0xc0 [ 265.836907] ? down_read+0x8d/0x120 [ 265.840535] ? ext4_filemap_fault+0x7a/0xad [ 265.844860] ? __down_interruptible+0x700/0x700 [ 265.849567] ext4_filemap_fault+0x82/0xad [ 265.853759] __do_fault+0x100/0x6b0 [ 265.857398] ? unlock_page+0x2c2/0x4c0 [ 265.861304] ? pmd_devmap_trans_unstable+0x220/0x220 [ 265.866416] ? mark_held_locks+0x130/0x130 [ 265.870655] ? mark_held_locks+0x130/0x130 [ 265.874896] ? do_raw_spin_trylock+0x270/0x270 [ 265.879490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.885049] __handle_mm_fault+0x307c/0x5920 [ 265.889478] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 265.894331] ? kasan_check_read+0x11/0x20 [ 265.898508] ? _copy_to_user+0xc8/0x110 [ 265.902505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.908082] ? zap_class+0x640/0x640 [ 265.911802] ? zap_class+0x640/0x640 [ 265.915531] ? find_held_lock+0x36/0x1c0 [ 265.919639] ? handle_mm_fault+0x42a/0xc70 [ 265.923886] ? lock_downgrade+0x900/0x900 [ 265.928073] ? check_preemption_disabled+0x48/0x280 [ 265.933114] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 265.938055] ? kasan_check_read+0x11/0x20 [ 265.942221] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 265.947517] ? rcu_softirq_qs+0x20/0x20 [ 265.951514] ? trace_hardirqs_off_caller+0x310/0x310 [ 265.956625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.962172] ? check_preemption_disabled+0x48/0x280 [ 265.967204] handle_mm_fault+0x54f/0xc70 [ 265.971277] ? __handle_mm_fault+0x5920/0x5920 [ 265.975869] ? find_vma+0x34/0x190 [ 265.979418] __do_page_fault+0x5e8/0xe60 [ 265.983483] ? trace_hardirqs_off+0xb8/0x310 [ 265.987899] ? __ia32_sys_read+0xb0/0xb0 [ 265.991975] do_page_fault+0xf2/0x7e0 [ 265.995783] ? vmalloc_sync_all+0x30/0x30 [ 265.999937] ? error_entry+0x70/0xd0 [ 266.003658] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.008679] ? trace_hardirqs_on_caller+0xc0/0x310 [ 266.013640] ? syscall_return_slowpath+0x5e0/0x5e0 [ 266.018581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.023428] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.028468] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.033930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.039472] ? prepare_exit_to_usermode+0x291/0x3b0 [ 266.044496] ? page_fault+0x8/0x30 [ 266.048072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.052947] ? page_fault+0x8/0x30 [ 266.056494] page_fault+0x1e/0x30 [ 266.059989] RIP: 0033:0x4727a0 [ 266.063236] Code: Bad RIP value. [ 266.066600] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 266.071971] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 266.079241] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 266.086513] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 266.093786] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 266.101060] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 266.108369] warn_alloc_show_mem: 1 callbacks suppressed [ 266.108383] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 266.108385] Mem-Info: [ 266.108418] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 266.108418] active_file:12 inactive_file:13 isolated_file:0 [ 266.108418] unevictable:0 dirty:0 writeback:0 unstable:0 [ 266.108418] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 266.108418] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 266.108418] free:13771 free_pcp:124 free_cma:0 [ 266.113768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.120704] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 266.123122] Call Trace: [ 266.155992] Node 0 [ 266.165351] [ 266.192778] 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 [ 266.195345] dump_stack+0x244/0x39d [ 266.197561] lowmem_reserve[]: [ 266.199713] ? dump_stack_print_info.cold.1+0x20/0x20 [ 266.225190] 0 2818 [ 266.228832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.231913] 6321 [ 266.237112] warn_alloc.cold.117+0xb7/0x1bd [ 266.239316] 6321 [ 266.244861] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.246907] Node 0 [ 266.251229] ? lock_downgrade+0x900/0x900 [ 266.253300] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 266.258124] ? trace_hardirqs_off+0xb8/0x310 [ 266.260336] lowmem_reserve[]: [ 266.264485] ? trace_hardirqs_off+0xb8/0x310 [ 266.291438] 0 0 [ 266.295885] __alloc_pages_slowpath+0x2660/0x2d70 [ 266.298960] 3503 3503 [ 266.303402] ? warn_alloc+0x120/0x120 [ 266.310185] ? warn_alloc+0x120/0x120 [ 266.312668] Node 0 [ 266.316469] ? print_usage_bug+0xc0/0xc0 [ 266.320277] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 266.322487] ? warn_alloc+0x120/0x120 [ 266.326536] lowmem_reserve[]: [ 266.354661] ? print_usage_bug+0xc0/0xc0 [ 266.358441] 0 [ 266.361545] ? __lock_acquire+0x62f/0x4c20 [ 266.365592] 0 [ 266.367398] ? __lock_acquire+0x62f/0x4c20 [ 266.371632] 0 [ 266.373450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.377665] 0 [ 266.379473] ? should_fail+0x22d/0xd01 [ 266.386806] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.390671] Node 0 DMA: [ 266.395944] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.395961] ? __lock_acquire+0x62f/0x4c20 [ 266.398626] 1*4kB [ 266.403736] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.407952] (U) [ 266.410104] ? __lock_acquire+0x62f/0x4c20 [ 266.415186] 0*8kB [ 266.417180] ? should_fail+0x22d/0xd01 [ 266.421406] 0*16kB [ 266.423561] ? rcu_irq_exit+0x1a2/0x390 [ 266.423585] ? mark_held_locks+0x130/0x130 [ 266.427452] 1*32kB [ 266.429688] ? mark_held_locks+0x130/0x130 [ 266.433644] (U) [ 266.437878] ? mark_held_locks+0xc7/0x130 [ 266.440099] 2*64kB [ 266.444340] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 266.446299] (U) [ 266.450453] ? zap_class+0x640/0x640 [ 266.452672] 1*128kB [ 266.457687] ? print_usage_bug+0xc0/0xc0 [ 266.459643] (U) [ 266.463381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.465699] 1*256kB [ 266.469796] ? check_preemption_disabled+0x48/0x280 [ 266.471755] (U) [ 266.477295] ? __lock_is_held+0xb5/0x140 [ 266.479596] 0*512kB [ 266.484646] __alloc_pages_nodemask+0xa80/0xde0 [ 266.486601] 1*1024kB [ 266.490662] ? zap_class+0x640/0x640 [ 266.492965] (U) [ 266.497632] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 266.500043] 1*2048kB [ 266.503777] ? find_held_lock+0x36/0x1c0 [ 266.505726] (M) [ 266.510749] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.513131] 3*4096kB (M) [ 266.517201] ? lock_downgrade+0x900/0x900 [ 266.519165] = 15908kB [ 266.523844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.526596] Node 0 [ 266.530742] cache_grow_begin+0xa5/0x8c0 [ 266.533148] DMA32: [ 266.538689] ? do_raw_spin_unlock+0xa7/0x330 [ 266.540904] 4*4kB [ 266.544978] fallback_alloc+0x204/0x2e0 [ 266.547202] (M) [ 266.551626] ____cache_alloc_node+0x1c7/0x1e0 [ 266.553761] 0*8kB [ 266.557748] kmem_cache_alloc_node+0xe3/0x730 [ 266.559706] 2*16kB [ 266.564213] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.566346] (M) [ 266.570856] __alloc_skb+0x119/0x770 [ 266.573072] 2*32kB [ 266.577311] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 266.579272] (UM) [ 266.582984] ? netdev_alloc_frag+0x1f0/0x1f0 [ 266.585212] 4*64kB [ 266.590487] ? lock_downgrade+0x900/0x900 [ 266.592531] (UM) [ 266.596947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.599164] 4*128kB [ 266.603323] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.605366] (M) [ 266.610910] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.613218] 3*256kB [ 266.618683] ? addrconf_rs_timer+0x690/0x690 [ 266.620639] (M) [ 266.626105] ndisc_alloc_skb+0x144/0x340 [ 266.628403] 4*512kB [ 266.632807] ndisc_send_rs+0x331/0x6e0 [ 266.634774] (UM) [ 266.638841] addrconf_rs_timer+0x314/0x690 [ 266.641138] 3*1024kB (UM) [ 266.645041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.647098] 3*2048kB [ 266.651358] call_timer_fn+0x272/0x920 [ 266.654176] (UM) [ 266.658407] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.660804] 3*4096kB [ 266.664690] ? process_timeout+0x40/0x40 [ 266.666746] (M) [ 266.670984] ? __run_timers+0x7da/0xc70 [ 266.673370] = 25200kB [ 266.673381] Node 0 [ 266.678065] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.680033] Normal: [ 266.684013] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.686419] 786*4kB [ 266.688657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.693126] (MEH) 440*8kB [ 266.695464] ? lockdep_hardirqs_on+0x296/0x5b0 [ 266.699935] (UMEH) [ 266.702262] ? trace_hardirqs_on+0xbd/0x310 [ 266.706495] 141*16kB [ 266.709342] ? kasan_check_read+0x11/0x20 [ 266.713901] (MEH) [ 266.716138] ? __run_timers+0x7da/0xc70 [ 266.720443] 54*32kB [ 266.722856] ? trace_hardirqs_off_caller+0x310/0x310 [ 266.726985] (MEH) [ 266.729134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.733093] 14*64kB [ 266.735416] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.740498] (UME) [ 266.742684] __run_timers+0x7e5/0xc70 [ 266.746910] 1*128kB [ 266.749247] ? timer_fixup_init+0x70/0x70 [ 266.753462] (H) [ 266.755634] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 266.759436] 1*256kB [ 266.761756] ? zap_class+0x640/0x640 [ 266.765899] (H) [ 266.767878] ? enqueue_hrtimer+0x1a5/0x560 [ 266.772875] 2*512kB [ 266.775200] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 266.778896] (H) [ 266.780875] ? find_held_lock+0x36/0x1c0 [ 266.785081] 1*1024kB (U) [ 266.787416] ? zap_class+0x640/0x640 [ 266.792579] 0*2048kB 0*4096kB [ 266.794573] ? pvclock_read_flags+0x160/0x160 [ 266.798613] = 13976kB [ 266.801372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.805079] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 266.808263] ? check_preemption_disabled+0x48/0x280 [ 266.812747] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 266.815156] ? __lock_is_held+0xb5/0x140 [ 266.820681] 163 total pagecache pages [ 266.829584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.834596] 0 pages in swap cache [ 266.843161] ? check_preemption_disabled+0x48/0x280 [ 266.847223] Swap cache stats: add 0, delete 0, find 0/0 [ 266.851052] run_timer_softirq+0x52/0xb0 [ 266.856578] Free swap = 0kB [ 266.860070] ? rcu_read_lock_sched_held+0x14f/0x180 [ 266.865063] Total swap = 0kB [ 266.870426] __do_softirq+0x308/0xb7e [ 266.874471] 1965979 pages RAM [ 266.877508] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 266.882500] 0 pages HighMem/MovableOnly [ 266.882510] 342867 pages reserved [ 266.885529] ? lock_downgrade+0x900/0x900 [ 266.889306] 0 pages cma reserved [ 266.889410] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.892417] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 266.897059] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.900880] ? pvclock_read_flags+0x160/0x160 [ 266.904313] syz-fuzzer cpuset= [ 266.908464] ? lapic_next_event+0x5a/0x90 [ 266.911807] / [ 266.918313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.923409] mems_allowed=0 [ 266.933644] ? kvm_clock_read+0x18/0x30 [ 266.959555] ? kvm_sched_clock_read+0x9/0x20 [ 266.963969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.969524] ? check_preemption_disabled+0x48/0x280 [ 266.974579] irq_exit+0x17f/0x1c0 [ 266.978054] smp_apic_timer_interrupt+0x1cb/0x760 [ 266.982905] ? smp_reschedule_interrupt+0x109/0x650 [ 266.987926] ? smp_call_function_single_interrupt+0x650/0x650 [ 266.993815] ? interrupt_entry+0xb5/0xc0 [ 266.997883] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.002903] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.007924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.012770] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.017798] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.022837] ? task_prio+0x50/0x50 [ 267.026387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.031966] ? check_preemption_disabled+0x48/0x280 [ 267.037023] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.041886] apic_timer_interrupt+0xf/0x20 [ 267.046118] [ 267.048367] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 267.054256] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 267.073159] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 267.080873] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 267.088146] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 267.095413] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 267.102687] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 267.109968] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 267.117266] ? save_stack+0xa9/0xd0 [ 267.120910] __kmalloc_node_track_caller+0x33/0x70 [ 267.125847] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 267.130624] pskb_expand_head+0x230/0x10f0 [ 267.134862] ? memcpy+0x45/0x50 [ 267.138155] ? __copy_skb_header+0x350/0x6b0 [ 267.142573] ? skb_release_data+0x880/0x880 [ 267.146896] ? __alloc_skb+0x770/0x770 [ 267.150796] ? __lock_is_held+0xb5/0x140 [ 267.154873] ? kasan_check_write+0x14/0x20 [ 267.159121] ? __skb_clone+0x6c7/0xa00 [ 267.163027] ? __copy_skb_header+0x6b0/0x6b0 [ 267.167445] ? kmem_cache_alloc+0x33a/0x730 [ 267.171774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.177322] skb_ensure_writable+0x3dd/0x640 [ 267.181747] ? skb_checksum_setup+0xaa0/0xaa0 [ 267.186244] ? check_preemption_disabled+0x48/0x280 [ 267.191270] ? __this_cpu_preempt_check+0x1c/0x20 [ 267.196131] ? __bpf_redirect+0x54b/0xb20 [ 267.200292] bpf_clone_redirect+0x14a/0x490 [ 267.204630] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 267.209658] ? __sched_text_start+0x8/0x8 [ 267.213821] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 267.218585] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 267.223170] ? retint_kernel+0x2d/0x2d [ 267.227075] ? find_held_lock+0x36/0x1c0 [ 267.231155] ? lock_acquire+0x1ed/0x520 [ 267.235142] ? bpf_test_run+0x3cb/0x780 [ 267.239123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.244673] ? check_preemption_disabled+0x48/0x280 [ 267.249695] ? kasan_check_read+0x11/0x20 [ 267.253863] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 267.259154] ? rcu_softirq_qs+0x20/0x20 [ 267.263131] ? preempt_schedule+0x4d/0x60 [ 267.267298] ? ___preempt_schedule+0x16/0x18 [ 267.271737] ? bpf_test_run+0x25d/0x780 [ 267.275775] ? netlink_diag_dump+0x2a0/0x2a0 [ 267.280194] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.285738] ? bpf_test_init.isra.10+0x70/0x100 [ 267.290421] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 267.295192] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 267.300062] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 267.305608] ? fput+0x130/0x1a0 [ 267.308904] ? __bpf_prog_get+0x9b/0x290 [ 267.312973] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 267.317817] ? bpf_prog_test_run+0x130/0x1a0 [ 267.322235] ? __x64_sys_bpf+0x3d8/0x520 [ 267.326304] ? bpf_prog_get+0x20/0x20 [ 267.330397] ? do_syscall_64+0x1b9/0x820 [ 267.334464] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 267.339854] ? syscall_return_slowpath+0x5e0/0x5e0 [ 267.344789] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.349812] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 267.354833] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 267.361509] ? __switch_to_asm+0x40/0x70 [ 267.365575] ? __switch_to_asm+0x34/0x70 [ 267.369645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.374502] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 267.379888] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 267.379985] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 267.386564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.386570] Call Trace: [ 267.386578] [ 267.386596] dump_stack+0x244/0x39d [ 267.386618] ? dump_stack_print_info.cold.1+0x20/0x20 [ 267.393166] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.402453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.405041] syz-executor5 cpuset= [ 267.407201] warn_alloc.cold.117+0xb7/0x1bd [ 267.410804] syz5 [ 267.416001] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 267.426489] mems_allowed=0 [ 267.432046] ? lock_downgrade+0x900/0x900 [ 267.453758] ? trace_hardirqs_off+0xb8/0x310 [ 267.458172] ? trace_hardirqs_off+0xb8/0x310 [ 267.462605] __alloc_pages_slowpath+0x2660/0x2d70 [ 267.467485] ? warn_alloc+0x120/0x120 [ 267.471295] ? warn_alloc+0x120/0x120 [ 267.475105] ? print_usage_bug+0xc0/0xc0 [ 267.479172] ? warn_alloc+0x120/0x120 [ 267.482988] ? print_usage_bug+0xc0/0xc0 [ 267.487064] ? __lock_acquire+0x62f/0x4c20 [ 267.491304] ? __lock_acquire+0x62f/0x4c20 [ 267.495552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.501093] ? should_fail+0x22d/0xd01 [ 267.504987] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 267.510282] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.515401] ? __lock_acquire+0x62f/0x4c20 [ 267.519646] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.524754] ? __lock_acquire+0x62f/0x4c20 [ 267.529002] ? should_fail+0x22d/0xd01 [ 267.532900] ? rcu_irq_exit+0x1a2/0x390 [ 267.536893] ? mark_held_locks+0x130/0x130 [ 267.541140] ? mark_held_locks+0x130/0x130 [ 267.545392] ? mark_held_locks+0xc7/0x130 [ 267.549552] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 267.554588] ? zap_class+0x640/0x640 [ 267.558314] ? print_usage_bug+0xc0/0xc0 [ 267.562852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.568426] ? check_preemption_disabled+0x48/0x280 [ 267.573470] ? __lock_is_held+0xb5/0x140 [ 267.577553] __alloc_pages_nodemask+0xa80/0xde0 [ 267.582233] ? zap_class+0x640/0x640 [ 267.585955] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 267.590985] ? find_held_lock+0x36/0x1c0 [ 267.595074] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.599750] ? lock_downgrade+0x900/0x900 [ 267.603912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.609460] cache_grow_begin+0xa5/0x8c0 [ 267.613526] ? do_raw_spin_unlock+0xa7/0x330 [ 267.617953] fallback_alloc+0x204/0x2e0 [ 267.621940] ____cache_alloc_node+0x1c7/0x1e0 [ 267.626445] kmem_cache_alloc_node+0xe3/0x730 [ 267.630958] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.635208] __alloc_skb+0x119/0x770 [ 267.638938] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 267.644218] ? netdev_alloc_frag+0x1f0/0x1f0 [ 267.648629] ? lock_downgrade+0x900/0x900 [ 267.652813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.658356] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.663818] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.669270] ? addrconf_rs_timer+0x690/0x690 [ 267.673706] ndisc_alloc_skb+0x144/0x340 [ 267.677776] ndisc_send_rs+0x331/0x6e0 [ 267.681679] addrconf_rs_timer+0x314/0x690 [ 267.685921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.690176] call_timer_fn+0x272/0x920 [ 267.694082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.698322] ? process_timeout+0x40/0x40 [ 267.702396] ? mark_held_locks+0xc7/0x130 [ 267.706559] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.711060] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.715563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.719809] ? lockdep_hardirqs_on+0x296/0x5b0 [ 267.724400] ? trace_hardirqs_on+0xbd/0x310 [ 267.728725] ? kasan_check_read+0x11/0x20 [ 267.732888] ? __run_timers+0x7da/0xc70 [ 267.736868] ? trace_hardirqs_off_caller+0x310/0x310 [ 267.741979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.746221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.750482] __run_timers+0x7e5/0xc70 [ 267.754295] ? timer_fixup_init+0x70/0x70 [ 267.758462] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.763501] ? zap_class+0x640/0x640 [ 267.767255] ? print_usage_bug+0xc0/0xc0 [ 267.771324] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 267.776553] ? find_held_lock+0x36/0x1c0 [ 267.780646] ? zap_class+0x640/0x640 [ 267.784372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.789914] ? check_preemption_disabled+0x48/0x280 [ 267.794966] ? __lock_is_held+0xb5/0x140 [ 267.799041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.804595] ? check_preemption_disabled+0x48/0x280 [ 267.809630] run_timer_softirq+0x52/0xb0 [ 267.813699] ? rcu_read_lock_sched_held+0x14f/0x180 [ 267.818718] __do_softirq+0x308/0xb7e [ 267.822526] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 267.827050] ? lock_downgrade+0x900/0x900 [ 267.831211] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 267.836333] ? pvclock_read_flags+0x160/0x160 [ 267.840863] ? lapic_next_event+0x5a/0x90 [ 267.845029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.850584] ? kvm_clock_read+0x18/0x30 [ 267.854588] ? kvm_sched_clock_read+0x9/0x20 [ 267.859043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.864613] ? check_preemption_disabled+0x48/0x280 [ 267.869642] irq_exit+0x17f/0x1c0 [ 267.873123] smp_apic_timer_interrupt+0x1cb/0x760 [ 267.877993] ? smp_reschedule_interrupt+0x109/0x650 [ 267.883026] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.888937] ? interrupt_entry+0xb5/0xc0 [ 267.892999] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.898045] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.903080] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.907925] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.912951] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.917969] ? task_prio+0x50/0x50 [ 267.921513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.927070] ? check_preemption_disabled+0x48/0x280 [ 267.932095] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.936950] apic_timer_interrupt+0xf/0x20 [ 267.941179] [ 267.943426] RIP: 0010:console_unlock+0xffa/0x1160 [ 267.948275] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 267.967178] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 267.974889] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 267.982173] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 267.989450] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 267.996738] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 268.004185] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 268.011483] ? netconsole_netdev_event+0x280/0x280 [ 268.016452] ? console_unlock+0xff1/0x1160 [ 268.020714] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 268.025392] ? lock_release+0xa00/0xa00 [ 268.029372] ? interrupt_entry+0xc0/0xc0 [ 268.033457] vprintk_emit+0x33d/0x930 [ 268.037270] ? wake_up_klogd+0x180/0x180 [ 268.041336] ? attach_entity_load_avg+0x810/0x860 [ 268.046180] ? __lock_acquire+0x600/0x4c20 [ 268.050421] ? mark_held_locks+0x130/0x130 [ 268.054661] ? print_usage_bug+0xc0/0xc0 [ 268.058732] ? find_held_lock+0x36/0x1c0 [ 268.062808] ? mark_held_locks+0xc7/0x130 [ 268.066971] vprintk_default+0x28/0x30 [ 268.070868] vprintk_func+0x7e/0x181 [ 268.074586] printk+0xa7/0xcf [ 268.077697] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 268.082476] show_free_areas.cold.118+0x1f34/0x215d [ 268.087529] ? si_meminfo_node+0x260/0x260 [ 268.091781] ? __lock_acquire+0x62f/0x4c20 [ 268.096029] ? __lock_acquire+0x62f/0x4c20 [ 268.100270] ? __lock_is_held+0xb5/0x140 [ 268.104387] ? mark_held_locks+0x130/0x130 [ 268.108641] ? zap_class+0x640/0x640 [ 268.112368] ? put_dec+0x3b/0xf0 [ 268.115747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.121302] ? find_held_lock+0x36/0x1c0 [ 268.125381] ? serial8250_console_write+0x8b3/0xb10 [ 268.130416] ? lock_downgrade+0x900/0x900 [ 268.134573] ? zap_class+0x640/0x640 [ 268.138298] ? zap_class+0x640/0x640 [ 268.142032] ? print_usage_bug+0xc0/0xc0 [ 268.146113] ? do_raw_spin_unlock+0xa7/0x330 [ 268.150554] ? trace_hardirqs_on+0x310/0x310 [ 268.154970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.160520] ? find_held_lock+0x36/0x1c0 [ 268.164609] ? mark_held_locks+0xc7/0x130 [ 268.168764] ? console_unlock+0xfcd/0x1160 [ 268.173033] ? netconsole_netdev_event+0x280/0x280 [ 268.177969] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 268.182561] ? trace_hardirqs_on+0xbd/0x310 [ 268.186887] ? vprintk_emit+0x33d/0x930 [ 268.190865] ? trace_hardirqs_off_caller+0x310/0x310 [ 268.195976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.201527] ? netconsole_netdev_event+0x280/0x280 [ 268.206470] ? console_unlock+0x8d8/0x1160 [ 268.210727] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 268.215396] ? vprintk_emit+0x7f7/0x930 [ 268.219380] ? lock_release+0xa00/0xa00 [ 268.223365] ? preempt_count_add+0xbc/0x1b0 [ 268.227690] ? wake_up_klogd+0x11a/0x180 [ 268.231762] ? console_device+0xc0/0xc0 [ 268.235748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.241308] ? vprintk_emit+0x268/0x930 [ 268.245292] ? wake_up_klogd+0x180/0x180 [ 268.249362] ? trace_hardirqs_on_caller+0xc0/0x310 [ 268.254299] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 268.259062] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.264519] ? retint_kernel+0x1b/0x2d [ 268.268415] ? trace_hardirqs_on+0x310/0x310 [ 268.272837] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 268.277629] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 268.282395] ? show_mem+0x1e/0x17b [ 268.285946] show_mem+0x34/0x17b [ 268.289322] dump_header+0x2f1/0xf72 [ 268.293054] ? mark_held_locks+0x130/0x130 [ 268.297296] ? pagefault_out_of_memory+0x197/0x197 [ 268.302235] ? __lock_acquire+0x62f/0x4c20 [ 268.306470] ? zap_class+0x640/0x640 [ 268.310192] ? percpu_ref_get_many+0x240/0x240 [ 268.314791] ? print_usage_bug+0xc0/0xc0 [ 268.318869] ? print_usage_bug+0xc0/0xc0 [ 268.322960] ? zap_class+0x640/0x640 [ 268.326681] ? print_usage_bug+0xc0/0xc0 [ 268.330747] ? print_usage_bug+0xc0/0xc0 [ 268.334826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.340373] ? find_held_lock+0x36/0x1c0 [ 268.344459] ? mark_held_locks+0xc7/0x130 [ 268.348618] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 268.353748] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 268.358865] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 268.363452] ? trace_hardirqs_on+0xbd/0x310 [ 268.367783] ? kasan_check_read+0x11/0x20 [ 268.371933] ? ___ratelimit+0x3b4/0x672 [ 268.375918] ? trace_hardirqs_off_caller+0x310/0x310 [ 268.381041] ? trace_hardirqs_on+0x310/0x310 [ 268.385462] ? lock_downgrade+0x900/0x900 [ 268.389620] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 268.394732] ? ___ratelimit+0x3b9/0x672 [ 268.398717] ? idr_get_free+0xec0/0xec0 [ 268.402703] ? kasan_check_read+0x11/0x20 [ 268.406864] ? do_raw_spin_unlock+0xa7/0x330 [ 268.411290] oom_kill_process.cold.27+0x10/0x903 [ 268.416063] ? zap_class+0x640/0x640 [ 268.419790] ? _raw_spin_unlock+0x2c/0x50 [ 268.423960] ? oom_badness+0xe6/0xaa0 [ 268.427780] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 268.432730] ? kasan_check_read+0x11/0x20 [ 268.436905] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.442205] ? oom_evaluate_task+0x540/0x540 [ 268.446625] ? find_held_lock+0x36/0x1c0 [ 268.450711] ? out_of_memory+0x974/0x1430 [ 268.454869] ? lock_downgrade+0x900/0x900 [ 268.459050] ? check_preemption_disabled+0x48/0x280 [ 268.464088] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 268.469037] ? kasan_check_read+0x11/0x20 [ 268.473193] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.478477] ? rcu_softirq_qs+0x20/0x20 [ 268.482462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.488007] ? oom_evaluate_task+0x302/0x540 [ 268.492445] out_of_memory+0xa84/0x1430 [ 268.496438] ? oom_killer_disable+0x3a0/0x3a0 [ 268.500992] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 268.505940] ? __mutex_add_waiter+0x2a0/0x2a0 [ 268.510457] __alloc_pages_slowpath+0x22d4/0x2d70 [ 268.515354] ? warn_alloc+0x120/0x120 [ 268.519161] ? rcu_softirq_qs+0x20/0x20 [ 268.523172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.528714] ? should_fail+0x22d/0xd01 [ 268.532613] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.537729] ? zap_class+0x640/0x640 [ 268.541479] ? __lock_is_held+0xb5/0x140 [ 268.545562] ? mark_held_locks+0x130/0x130 [ 268.549812] ? lock_release+0xa00/0xa00 [ 268.553792] ? perf_trace_sched_process_exec+0x860/0x860 [ 268.559261] ? __might_sleep+0x95/0x190 [ 268.563248] __alloc_pages_nodemask+0xa80/0xde0 [ 268.567934] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 268.572962] ? __page_cache_alloc+0x191/0x5c0 [ 268.577462] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 268.582402] ? kasan_check_read+0x11/0x20 [ 268.586565] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.591859] ? zap_class+0x640/0x640 [ 268.595589] ? zap_class+0x640/0x640 [ 268.599321] ? zap_class+0x640/0x640 [ 268.603045] ? __do_page_cache_readahead+0x7ce/0x980 [ 268.608163] ? find_held_lock+0x36/0x1c0 [ 268.612236] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 268.617789] alloc_pages_current+0x173/0x350 [ 268.622212] __page_cache_alloc+0x38c/0x5c0 [ 268.626541] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 268.631483] ? kasan_check_read+0x11/0x20 [ 268.635636] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.640920] ? generic_perform_write+0x6a0/0x6a0 [ 268.645685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.651229] ? check_preemption_disabled+0x48/0x280 [ 268.656261] filemap_fault+0x1594/0x25f0 [ 268.660339] ? __lock_page_or_retry+0xa00/0xa00 [ 268.665025] ? mark_held_locks+0x130/0x130 [ 268.669282] ? rcu_softirq_qs+0x20/0x20 [ 268.673280] ? filemap_map_pages+0xe04/0x1990 [ 268.677802] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 268.682835] ? futex_wait_setup+0x15c/0x3e0 [ 268.687178] ? zap_class+0x640/0x640 [ 268.690909] ? lock_acquire+0x1ed/0x520 [ 268.694890] ? alloc_set_pte+0x1447/0x1f40 [ 268.699149] ? lock_acquire+0x1ed/0x520 [ 268.703138] ? ext4_filemap_fault+0x7a/0xad [ 268.707475] ? lock_release+0xa00/0xa00 [ 268.711469] ? perf_trace_sched_process_exec+0x860/0x860 [ 268.716924] ? print_usage_bug+0xc0/0xc0 [ 268.720988] ? print_usage_bug+0xc0/0xc0 [ 268.725076] ? down_read+0x8d/0x120 [ 268.728704] ? ext4_filemap_fault+0x7a/0xad [ 268.733041] ? __down_interruptible+0x700/0x700 [ 268.737729] ext4_filemap_fault+0x82/0xad [ 268.741892] __do_fault+0x100/0x6b0 [ 268.745524] ? unlock_page+0x2c2/0x4c0 [ 268.749423] ? pmd_devmap_trans_unstable+0x220/0x220 [ 268.754532] ? mark_held_locks+0x130/0x130 [ 268.758780] ? mark_held_locks+0x130/0x130 [ 268.763029] ? do_raw_spin_trylock+0x270/0x270 [ 268.767629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.773180] __handle_mm_fault+0x307c/0x5920 [ 268.777621] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 268.782490] ? kasan_check_read+0x11/0x20 [ 268.786644] ? _copy_to_user+0xc8/0x110 [ 268.790628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.796181] ? zap_class+0x640/0x640 [ 268.799900] ? zap_class+0x640/0x640 [ 268.803625] ? find_held_lock+0x36/0x1c0 [ 268.807699] ? handle_mm_fault+0x42a/0xc70 [ 268.811943] ? lock_downgrade+0x900/0x900 [ 268.816126] ? check_preemption_disabled+0x48/0x280 [ 268.821161] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 268.826097] ? kasan_check_read+0x11/0x20 [ 268.830252] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 268.835533] ? rcu_softirq_qs+0x20/0x20 [ 268.839521] ? trace_hardirqs_off_caller+0x310/0x310 [ 268.844633] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.850176] ? check_preemption_disabled+0x48/0x280 [ 268.855209] handle_mm_fault+0x54f/0xc70 [ 268.859284] ? __handle_mm_fault+0x5920/0x5920 [ 268.863879] ? find_vma+0x34/0x190 [ 268.867430] __do_page_fault+0x5e8/0xe60 [ 268.871496] ? trace_hardirqs_off+0xb8/0x310 [ 268.875910] ? __ia32_sys_read+0xb0/0xb0 [ 268.879998] do_page_fault+0xf2/0x7e0 [ 268.883813] ? vmalloc_sync_all+0x30/0x30 [ 268.887976] ? error_entry+0x70/0xd0 [ 268.891697] ? trace_hardirqs_off_caller+0xbb/0x310 [ 268.896715] ? trace_hardirqs_on_caller+0xc0/0x310 [ 268.901650] ? syscall_return_slowpath+0x5e0/0x5e0 [ 268.906593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.911442] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.916462] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.921934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.927475] ? prepare_exit_to_usermode+0x291/0x3b0 [ 268.932506] ? page_fault+0x8/0x30 [ 268.936057] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.940911] ? page_fault+0x8/0x30 [ 268.944464] page_fault+0x1e/0x30 [ 268.947921] RIP: 0033:0x4727a0 [ 268.951129] Code: Bad RIP value. [ 268.954491] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 268.959857] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 268.967139] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 268.974411] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 268.981685] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 268.988955] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 268.996257] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 268.996263] warn_alloc_show_mem: 1 callbacks suppressed [ 268.996271] Mem-Info: [ 269.003205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.008584] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 269.008584] active_file:12 inactive_file:13 isolated_file:0 [ 269.008584] unevictable:0 dirty:0 writeback:0 unstable:0 [ 269.008584] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 269.008584] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 269.008584] free:13771 free_pcp:124 free_cma:0 [ 269.010961] Call Trace: [ 269.020363] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 269.053222] [ 269.055818] Node 0 [ 269.083249] dump_stack+0x244/0x39d [ 269.085403] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 269.087626] ? dump_stack_print_info.cold.1+0x20/0x20 [ 269.091231] lowmem_reserve[]: [ 269.116823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.121990] 0 [ 269.125111] warn_alloc.cold.117+0xb7/0x1bd [ 269.130620] 2818 [ 269.132424] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 269.136724] 6321 [ 269.138792] ? lock_downgrade+0x900/0x900 [ 269.143616] 6321 [ 269.145695] ? trace_hardirqs_off+0xb8/0x310 [ 269.151912] ? trace_hardirqs_off+0xb8/0x310 [ 269.156304] Node 0 DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 269.160747] __alloc_pages_slowpath+0x2660/0x2d70 [ 269.160790] ? warn_alloc+0x120/0x120 [ 269.188347] lowmem_reserve[]: 0 [ 269.193209] ? warn_alloc+0x120/0x120 [ 269.197033] 0 [ 269.200330] ? print_usage_bug+0xc0/0xc0 [ 269.204110] 3503 [ 269.205915] ? warn_alloc+0x120/0x120 [ 269.209955] 3503 [ 269.212032] ? print_usage_bug+0xc0/0xc0 [ 269.217877] ? __lock_acquire+0x62f/0x4c20 [ 269.221918] Node 0 [ 269.226163] ? __lock_acquire+0x62f/0x4c20 [ 269.226201] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 269.228413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.232623] lowmem_reserve[]: 0 [ 269.260735] ? should_fail+0x22d/0xd01 [ 269.266253] 0 [ 269.269535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.273430] 0 [ 269.275261] ? __lock_acquire+0x62f/0x4c20 [ 269.280345] 0 [ 269.282148] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.286365] Node 0 [ 269.288178] ? __lock_acquire+0x62f/0x4c20 [ 269.293260] DMA: [ 269.295494] ? should_fail+0x22d/0xd01 [ 269.299712] 1*4kB [ 269.301779] ? find_held_lock+0x36/0x1c0 [ 269.305649] (U) [ 269.307803] ? mark_held_locks+0x130/0x130 [ 269.311837] 0*8kB 0*16kB [ 269.313827] ? mark_held_locks+0x130/0x130 [ 269.318043] 1*32kB (U) 2*64kB [ 269.320822] ? zap_class+0x640/0x640 [ 269.325049] (U) 1*128kB [ 269.328252] ? zap_class+0x640/0x640 [ 269.331946] (U) [ 269.334618] ? print_usage_bug+0xc0/0xc0 [ 269.338311] 1*256kB [ 269.340284] ? do_raw_spin_unlock+0xa7/0x330 [ 269.344325] (U) [ 269.346650] ? zap_class+0x640/0x640 [ 269.351043] 0*512kB 1*1024kB (U) [ 269.353053] ? print_usage_bug+0xc0/0xc0 [ 269.356742] 1*2048kB [ 269.360200] ? wq_watchdog_touch+0x9c/0xfe [ 269.364245] (M) [ 269.366664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.370874] 3*4096kB (M) [ 269.372862] ? check_preemption_disabled+0x48/0x280 [ 269.378460] = 15908kB [ 269.378469] Node 0 [ 269.381234] ? __lock_is_held+0xb5/0x140 [ 269.386230] DMA32: [ 269.388647] __alloc_pages_nodemask+0xa80/0xde0 [ 269.390861] 4*4kB [ 269.394922] ? zap_class+0x640/0x640 [ 269.397134] (M) 0*8kB [ 269.401813] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 269.403938] 2*16kB (M) [ 269.407666] ? find_held_lock+0x36/0x1c0 [ 269.410137] 2*32kB (UM) [ 269.415170] ? ____cache_alloc_node+0x1c7/0x1e0 [ 269.417729] 4*64kB [ 269.421787] ? lock_downgrade+0x900/0x900 [ 269.424440] (UM) [ 269.429108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.431322] 4*128kB [ 269.435468] cache_grow_begin+0xa5/0x8c0 [ 269.437524] (M) [ 269.443073] ? do_raw_spin_unlock+0xa7/0x330 [ 269.445382] 3*256kB [ 269.449442] fallback_alloc+0x204/0x2e0 [ 269.451394] (M) [ 269.456273] ____cache_alloc_node+0x1c7/0x1e0 [ 269.458585] 4*512kB [ 269.462563] kmem_cache_alloc_node+0xe3/0x730 [ 269.464529] (UM) [ 269.469063] ? ipv6_get_ifaddr+0x42e/0x620 [ 269.471376] 3*1024kB [ 269.475897] __alloc_skb+0x119/0x770 [ 269.477952] (UM) [ 269.482190] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 269.484577] 3*2048kB [ 269.488289] ? netdev_alloc_frag+0x1f0/0x1f0 [ 269.490335] (UM) [ 269.495623] ? lock_downgrade+0x900/0x900 [ 269.498028] 3*4096kB [ 269.502441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.504480] (M) [ 269.508630] ? refcount_sub_and_test_checked+0x203/0x310 [ 269.511026] = 25200kB [ 269.516569] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 269.518540] Node 0 [ 269.524001] ? addrconf_rs_timer+0x690/0x690 [ 269.526414] Normal: [ 269.531913] ndisc_alloc_skb+0x144/0x340 [ 269.534139] 786*4kB [ 269.538553] ndisc_send_rs+0x331/0x6e0 [ 269.540859] (MEH) [ 269.544942] addrconf_rs_timer+0x314/0x690 [ 269.547259] 440*8kB [ 269.551145] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.553287] (UMEH) [ 269.557529] call_timer_fn+0x272/0x920 [ 269.559819] 141*16kB (MEH) [ 269.564160] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.566384] 54*32kB [ 269.570268] ? process_timeout+0x40/0x40 [ 269.573190] (MEH) [ 269.577431] ? __run_timers+0x7da/0xc70 [ 269.579725] 14*64kB (UME) [ 269.583802] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.585928] 1*128kB [ 269.589900] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.592727] (H) [ 269.597234] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.599547] 1*256kB [ 269.604040] ? lockdep_hardirqs_on+0x296/0x5b0 [ 269.605998] (H) [ 269.610241] ? trace_hardirqs_on+0xbd/0x310 [ 269.612552] 2*512kB [ 269.617133] ? kasan_check_read+0x11/0x20 [ 269.619089] (H) [ 269.623405] ? __run_timers+0x7da/0xc70 [ 269.625709] 1*1024kB [ 269.629878] ? trace_hardirqs_off_caller+0x310/0x310 [ 269.631844] (U) [ 269.635832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.638223] 0*2048kB [ 269.643342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.645302] 0*4096kB [ 269.649535] __run_timers+0x7e5/0xc70 [ 269.651930] = 13976kB [ 269.656172] ? timer_fixup_init+0x70/0x70 [ 269.658567] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 269.662359] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.664766] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 269.668925] ? zap_class+0x640/0x640 [ 269.677753] 163 total pagecache pages [ 269.682790] ? enqueue_hrtimer+0x1a5/0x560 [ 269.691353] 0 pages in swap cache [ 269.695064] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 269.698847] Swap cache stats: add 0, delete 0, find 0/0 [ 269.703084] ? find_held_lock+0x36/0x1c0 [ 269.706530] Free swap = 0kB [ 269.711755] ? zap_class+0x640/0x640 [ 269.717104] Total swap = 0kB [ 269.721166] ? pvclock_read_flags+0x160/0x160 [ 269.724160] 1965979 pages RAM [ 269.727873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.730873] 0 pages HighMem/MovableOnly [ 269.735370] ? check_preemption_disabled+0x48/0x280 [ 269.738451] 342867 pages reserved [ 269.738460] 0 pages cma reserved [ 269.744004] ? __lock_is_held+0xb5/0x140 [ 269.748052] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 269.752984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.756513] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 269.759782] ? check_preemption_disabled+0x48/0x280 [ 269.763832] syz-fuzzer cpuset= [ 269.770321] run_timer_softirq+0x52/0xb0 [ 269.775842] / [ 269.786072] ? rcu_read_lock_sched_held+0x14f/0x180 [ 269.791073] mems_allowed=0 [ 269.794264] __do_softirq+0x308/0xb7e [ 269.811743] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 269.816239] ? lock_downgrade+0x900/0x900 [ 269.820392] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 269.825529] ? pvclock_read_flags+0x160/0x160 [ 269.830041] ? lapic_next_event+0x5a/0x90 [ 269.834204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.839760] ? kvm_clock_read+0x18/0x30 [ 269.843735] ? kvm_sched_clock_read+0x9/0x20 [ 269.848148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.853701] ? check_preemption_disabled+0x48/0x280 [ 269.858728] irq_exit+0x17f/0x1c0 [ 269.862183] smp_apic_timer_interrupt+0x1cb/0x760 [ 269.867031] ? smp_reschedule_interrupt+0x109/0x650 [ 269.872063] ? smp_call_function_single_interrupt+0x650/0x650 [ 269.877956] ? interrupt_entry+0xb5/0xc0 [ 269.882030] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.887060] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.892085] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.896930] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.901948] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.906966] ? task_prio+0x50/0x50 [ 269.910539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.916102] ? check_preemption_disabled+0x48/0x280 [ 269.921128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.925984] apic_timer_interrupt+0xf/0x20 [ 269.930244] [ 269.932491] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 269.938390] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 269.957289] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 269.965001] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 269.972284] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 269.979554] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 269.986841] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 269.994111] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 270.001405] ? save_stack+0xa9/0xd0 [ 270.005069] __kmalloc_node_track_caller+0x33/0x70 [ 270.010007] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 270.014787] pskb_expand_head+0x230/0x10f0 [ 270.019033] ? memcpy+0x45/0x50 [ 270.022322] ? __copy_skb_header+0x350/0x6b0 [ 270.026739] ? skb_release_data+0x880/0x880 [ 270.031075] ? __alloc_skb+0x770/0x770 [ 270.035003] ? __lock_is_held+0xb5/0x140 [ 270.039091] ? kasan_check_write+0x14/0x20 [ 270.043340] ? __skb_clone+0x6c7/0xa00 [ 270.047234] ? __copy_skb_header+0x6b0/0x6b0 [ 270.051645] ? kmem_cache_alloc+0x33a/0x730 [ 270.055972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.061533] skb_ensure_writable+0x3dd/0x640 [ 270.065947] ? skb_checksum_setup+0xaa0/0xaa0 [ 270.070444] ? check_preemption_disabled+0x48/0x280 [ 270.075474] ? __this_cpu_preempt_check+0x1c/0x20 [ 270.080322] ? __bpf_redirect+0x54b/0xb20 [ 270.084480] bpf_clone_redirect+0x14a/0x490 [ 270.088814] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 270.093881] ? __sched_text_start+0x8/0x8 [ 270.098041] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.102815] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 270.107405] ? retint_kernel+0x2d/0x2d [ 270.111303] ? find_held_lock+0x36/0x1c0 [ 270.115374] ? lock_acquire+0x1ed/0x520 [ 270.119353] ? bpf_test_run+0x3cb/0x780 [ 270.123357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.128910] ? check_preemption_disabled+0x48/0x280 [ 270.133942] ? kasan_check_read+0x11/0x20 [ 270.138096] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.143377] ? rcu_softirq_qs+0x20/0x20 [ 270.147361] ? preempt_schedule+0x4d/0x60 [ 270.151534] ? ___preempt_schedule+0x16/0x18 [ 270.155954] ? bpf_test_run+0x25d/0x780 [ 270.159939] ? netlink_diag_dump+0x2a0/0x2a0 [ 270.164354] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.169894] ? bpf_test_init.isra.10+0x70/0x100 [ 270.174582] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 270.179349] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 270.184194] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 270.189737] ? fput+0x130/0x1a0 [ 270.193030] ? __bpf_prog_get+0x9b/0x290 [ 270.197113] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 270.201954] ? bpf_prog_test_run+0x130/0x1a0 [ 270.206366] ? __x64_sys_bpf+0x3d8/0x520 [ 270.210459] ? bpf_prog_get+0x20/0x20 [ 270.214296] ? do_syscall_64+0x1b9/0x820 [ 270.218359] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 270.223726] ? syscall_return_slowpath+0x5e0/0x5e0 [ 270.228663] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.233703] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 270.238721] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 270.245388] ? __switch_to_asm+0x40/0x70 [ 270.249449] ? __switch_to_asm+0x34/0x70 [ 270.253530] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.258381] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 270.263781] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 270.263910] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.270469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.270475] Call Trace: [ 270.270482] [ 270.270500] dump_stack+0x244/0x39d [ 270.270519] ? dump_stack_print_info.cold.1+0x20/0x20 [ 270.277111] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.286366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.288933] syz-executor5 cpuset= [ 270.291087] warn_alloc.cold.117+0xb7/0x1bd [ 270.294689] syz5 [ 270.299901] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.310379] mems_allowed=0 [ 270.315916] ? lock_downgrade+0x900/0x900 [ 270.337602] ? trace_hardirqs_off+0xb8/0x310 [ 270.342049] ? trace_hardirqs_off+0xb8/0x310 [ 270.346469] __alloc_pages_slowpath+0x2660/0x2d70 [ 270.351376] ? warn_alloc+0x120/0x120 [ 270.355187] ? warn_alloc+0x120/0x120 [ 270.358992] ? print_usage_bug+0xc0/0xc0 [ 270.363091] ? warn_alloc+0x120/0x120 [ 270.366896] ? print_usage_bug+0xc0/0xc0 [ 270.370961] ? __lock_acquire+0x62f/0x4c20 [ 270.375203] ? __lock_acquire+0x62f/0x4c20 [ 270.379448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.384989] ? should_fail+0x22d/0xd01 [ 270.388893] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.394177] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.399284] ? __lock_acquire+0x62f/0x4c20 [ 270.403528] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.408667] ? __lock_acquire+0x62f/0x4c20 [ 270.412916] ? should_fail+0x22d/0xd01 [ 270.416831] ? rcu_irq_exit+0x1a2/0x390 [ 270.420818] ? mark_held_locks+0x130/0x130 [ 270.425090] ? mark_held_locks+0x130/0x130 [ 270.429345] ? mark_held_locks+0xc7/0x130 [ 270.433517] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 270.438541] ? zap_class+0x640/0x640 [ 270.442273] ? print_usage_bug+0xc0/0xc0 [ 270.446340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.451891] ? check_preemption_disabled+0x48/0x280 [ 270.456933] ? __lock_is_held+0xb5/0x140 [ 270.461026] __alloc_pages_nodemask+0xa80/0xde0 [ 270.465701] ? zap_class+0x640/0x640 [ 270.469423] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 270.474451] ? find_held_lock+0x36/0x1c0 [ 270.478561] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.483232] ? lock_downgrade+0x900/0x900 [ 270.487405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.492950] cache_grow_begin+0xa5/0x8c0 [ 270.497012] ? do_raw_spin_unlock+0xa7/0x330 [ 270.501453] fallback_alloc+0x204/0x2e0 [ 270.505437] ____cache_alloc_node+0x1c7/0x1e0 [ 270.509943] kmem_cache_alloc_node+0xe3/0x730 [ 270.514446] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.518694] __alloc_skb+0x119/0x770 [ 270.522415] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 270.527696] ? netdev_alloc_frag+0x1f0/0x1f0 [ 270.532107] ? lock_downgrade+0x900/0x900 [ 270.536266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.541805] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.547262] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.552717] ? addrconf_rs_timer+0x690/0x690 [ 270.557145] ndisc_alloc_skb+0x144/0x340 [ 270.561216] ndisc_send_rs+0x331/0x6e0 [ 270.565111] addrconf_rs_timer+0x314/0x690 [ 270.569369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.573635] call_timer_fn+0x272/0x920 [ 270.577524] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.581767] ? process_timeout+0x40/0x40 [ 270.585852] ? mark_held_locks+0xc7/0x130 [ 270.590006] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.594512] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.599030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.603271] ? lockdep_hardirqs_on+0x296/0x5b0 [ 270.607861] ? trace_hardirqs_on+0xbd/0x310 [ 270.612188] ? kasan_check_read+0x11/0x20 [ 270.616337] ? __run_timers+0x7da/0xc70 [ 270.620316] ? trace_hardirqs_off_caller+0x310/0x310 [ 270.625423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.629667] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.633914] __run_timers+0x7e5/0xc70 [ 270.637730] ? timer_fixup_init+0x70/0x70 [ 270.641879] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 270.646894] ? zap_class+0x640/0x640 [ 270.650621] ? print_usage_bug+0xc0/0xc0 [ 270.654696] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 270.659897] ? find_held_lock+0x36/0x1c0 [ 270.663965] ? zap_class+0x640/0x640 [ 270.667686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.673224] ? check_preemption_disabled+0x48/0x280 [ 270.678252] ? __lock_is_held+0xb5/0x140 [ 270.682318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.687866] ? check_preemption_disabled+0x48/0x280 [ 270.692911] run_timer_softirq+0x52/0xb0 [ 270.696975] ? rcu_read_lock_sched_held+0x14f/0x180 [ 270.701994] __do_softirq+0x308/0xb7e [ 270.705810] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 270.710308] ? lock_downgrade+0x900/0x900 [ 270.714465] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 270.719593] ? pvclock_read_flags+0x160/0x160 [ 270.724096] ? lapic_next_event+0x5a/0x90 [ 270.728252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.733822] ? kvm_clock_read+0x18/0x30 [ 270.737799] ? kvm_sched_clock_read+0x9/0x20 [ 270.742213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.747757] ? check_preemption_disabled+0x48/0x280 [ 270.752783] irq_exit+0x17f/0x1c0 [ 270.756239] smp_apic_timer_interrupt+0x1cb/0x760 [ 270.761085] ? smp_reschedule_interrupt+0x109/0x650 [ 270.766108] ? smp_call_function_single_interrupt+0x650/0x650 [ 270.772009] ? interrupt_entry+0xb5/0xc0 [ 270.776113] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.781134] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.786169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.791025] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.796047] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.801066] ? task_prio+0x50/0x50 [ 270.804608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.810152] ? check_preemption_disabled+0x48/0x280 [ 270.815178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.820042] apic_timer_interrupt+0xf/0x20 [ 270.824292] [ 270.826557] RIP: 0010:console_unlock+0xffa/0x1160 [ 270.831401] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 270.850302] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 270.858025] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 270.865295] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 270.872569] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 270.879837] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 270.887123] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 270.894408] ? netconsole_netdev_event+0x280/0x280 [ 270.899367] ? console_unlock+0xff1/0x1160 [ 270.903630] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 270.908309] ? lock_release+0xa00/0xa00 [ 270.912291] ? interrupt_entry+0xc0/0xc0 [ 270.916374] vprintk_emit+0x33d/0x930 [ 270.920182] ? wake_up_klogd+0x180/0x180 [ 270.924246] ? attach_entity_load_avg+0x810/0x860 [ 270.929092] ? __lock_acquire+0x600/0x4c20 [ 270.933333] ? mark_held_locks+0x130/0x130 [ 270.937578] ? print_usage_bug+0xc0/0xc0 [ 270.941651] ? find_held_lock+0x36/0x1c0 [ 270.945724] ? mark_held_locks+0xc7/0x130 [ 270.949877] vprintk_default+0x28/0x30 [ 270.953767] vprintk_func+0x7e/0x181 [ 270.957513] printk+0xa7/0xcf [ 270.960636] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 270.965425] show_free_areas.cold.118+0x1f34/0x215d [ 270.970467] ? si_meminfo_node+0x260/0x260 [ 270.974715] ? __lock_acquire+0x62f/0x4c20 [ 270.978955] ? __lock_acquire+0x62f/0x4c20 [ 270.983193] ? __lock_is_held+0xb5/0x140 [ 270.987271] ? mark_held_locks+0x130/0x130 [ 270.991512] ? zap_class+0x640/0x640 [ 270.995235] ? put_dec+0x3b/0xf0 [ 270.998611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.004176] ? find_held_lock+0x36/0x1c0 [ 271.008251] ? serial8250_console_write+0x8b3/0xb10 [ 271.013269] ? lock_downgrade+0x900/0x900 [ 271.017418] ? zap_class+0x640/0x640 [ 271.021137] ? zap_class+0x640/0x640 [ 271.024877] ? print_usage_bug+0xc0/0xc0 [ 271.028968] ? do_raw_spin_unlock+0xa7/0x330 [ 271.033383] ? trace_hardirqs_on+0x310/0x310 [ 271.037835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.043394] ? find_held_lock+0x36/0x1c0 [ 271.047465] ? mark_held_locks+0xc7/0x130 [ 271.051617] ? console_unlock+0xfcd/0x1160 [ 271.055858] ? netconsole_netdev_event+0x280/0x280 [ 271.060791] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 271.065381] ? trace_hardirqs_on+0xbd/0x310 [ 271.069702] ? vprintk_emit+0x33d/0x930 [ 271.073679] ? trace_hardirqs_off_caller+0x310/0x310 [ 271.078785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.084326] ? netconsole_netdev_event+0x280/0x280 [ 271.089263] ? console_unlock+0x8d8/0x1160 [ 271.093516] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 271.098204] ? vprintk_emit+0x7f7/0x930 [ 271.102235] ? lock_release+0xa00/0xa00 [ 271.106218] ? preempt_count_add+0xbc/0x1b0 [ 271.110583] ? wake_up_klogd+0x11a/0x180 [ 271.114650] ? console_device+0xc0/0xc0 [ 271.118627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.124173] ? vprintk_emit+0x268/0x930 [ 271.128154] ? wake_up_klogd+0x180/0x180 [ 271.132221] ? trace_hardirqs_on_caller+0xc0/0x310 [ 271.137155] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 271.141928] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.147384] ? retint_kernel+0x1b/0x2d [ 271.151277] ? trace_hardirqs_on+0x310/0x310 [ 271.155700] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 271.160495] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 271.165259] ? show_mem+0x1e/0x17b [ 271.168834] show_mem+0x34/0x17b [ 271.172207] dump_header+0x2f1/0xf72 [ 271.175926] ? mark_held_locks+0x130/0x130 [ 271.180165] ? pagefault_out_of_memory+0x197/0x197 [ 271.185104] ? __lock_acquire+0x62f/0x4c20 [ 271.189339] ? zap_class+0x640/0x640 [ 271.193063] ? percpu_ref_get_many+0x240/0x240 [ 271.197649] ? print_usage_bug+0xc0/0xc0 [ 271.201718] ? print_usage_bug+0xc0/0xc0 [ 271.205785] ? zap_class+0x640/0x640 [ 271.209503] ? print_usage_bug+0xc0/0xc0 [ 271.213568] ? print_usage_bug+0xc0/0xc0 [ 271.217638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.223185] ? find_held_lock+0x36/0x1c0 [ 271.227258] ? mark_held_locks+0xc7/0x130 [ 271.231420] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 271.236529] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 271.241639] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 271.246224] ? trace_hardirqs_on+0xbd/0x310 [ 271.250557] ? kasan_check_read+0x11/0x20 [ 271.254709] ? ___ratelimit+0x3b4/0x672 [ 271.258697] ? trace_hardirqs_off_caller+0x310/0x310 [ 271.263804] ? trace_hardirqs_on+0x310/0x310 [ 271.268234] ? lock_downgrade+0x900/0x900 [ 271.272390] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 271.277496] ? ___ratelimit+0x3b9/0x672 [ 271.281472] ? idr_get_free+0xec0/0xec0 [ 271.285449] ? kasan_check_read+0x11/0x20 [ 271.289600] ? do_raw_spin_unlock+0xa7/0x330 [ 271.294028] oom_kill_process.cold.27+0x10/0x903 [ 271.298791] ? zap_class+0x640/0x640 [ 271.302507] ? _raw_spin_unlock+0x2c/0x50 [ 271.306695] ? oom_badness+0xe6/0xaa0 [ 271.310501] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 271.315431] ? kasan_check_read+0x11/0x20 [ 271.319583] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.324865] ? oom_evaluate_task+0x540/0x540 [ 271.329277] ? find_held_lock+0x36/0x1c0 [ 271.333349] ? out_of_memory+0x974/0x1430 [ 271.337503] ? lock_downgrade+0x900/0x900 [ 271.341672] ? check_preemption_disabled+0x48/0x280 [ 271.346695] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 271.351623] ? kasan_check_read+0x11/0x20 [ 271.355775] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.361054] ? rcu_softirq_qs+0x20/0x20 [ 271.365046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.370586] ? oom_evaluate_task+0x302/0x540 [ 271.374995] out_of_memory+0xa84/0x1430 [ 271.379024] ? oom_killer_disable+0x3a0/0x3a0 [ 271.383525] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 271.388465] ? __mutex_add_waiter+0x2a0/0x2a0 [ 271.392974] __alloc_pages_slowpath+0x22d4/0x2d70 [ 271.397850] ? warn_alloc+0x120/0x120 [ 271.401666] ? rcu_softirq_qs+0x20/0x20 [ 271.405671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.411215] ? should_fail+0x22d/0xd01 [ 271.415111] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.420218] ? zap_class+0x640/0x640 [ 271.423985] ? __lock_is_held+0xb5/0x140 [ 271.428087] ? mark_held_locks+0x130/0x130 [ 271.432332] ? lock_release+0xa00/0xa00 [ 271.436314] ? perf_trace_sched_process_exec+0x860/0x860 [ 271.441776] ? __might_sleep+0x95/0x190 [ 271.445774] __alloc_pages_nodemask+0xa80/0xde0 [ 271.450452] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 271.455650] ? __page_cache_alloc+0x191/0x5c0 [ 271.460155] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 271.465090] ? kasan_check_read+0x11/0x20 [ 271.469242] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.474527] ? zap_class+0x640/0x640 [ 271.478280] ? zap_class+0x640/0x640 [ 271.481999] ? zap_class+0x640/0x640 [ 271.485725] ? __do_page_cache_readahead+0x7ce/0x980 [ 271.490856] ? find_held_lock+0x36/0x1c0 [ 271.494926] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 271.500500] alloc_pages_current+0x173/0x350 [ 271.504940] __page_cache_alloc+0x38c/0x5c0 [ 271.509262] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 271.514193] ? kasan_check_read+0x11/0x20 [ 271.518343] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.523624] ? generic_perform_write+0x6a0/0x6a0 [ 271.528380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.533919] ? check_preemption_disabled+0x48/0x280 [ 271.538945] filemap_fault+0x1594/0x25f0 [ 271.543028] ? __lock_page_or_retry+0xa00/0xa00 [ 271.547702] ? mark_held_locks+0x130/0x130 [ 271.551940] ? rcu_softirq_qs+0x20/0x20 [ 271.555927] ? filemap_map_pages+0xe04/0x1990 [ 271.560442] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 271.565873] ? futex_wait_setup+0x15c/0x3e0 [ 271.570203] ? zap_class+0x640/0x640 [ 271.573927] ? lock_acquire+0x1ed/0x520 [ 271.577908] ? alloc_set_pte+0x1447/0x1f40 [ 271.582165] ? lock_acquire+0x1ed/0x520 [ 271.586142] ? ext4_filemap_fault+0x7a/0xad [ 271.590477] ? lock_release+0xa00/0xa00 [ 271.594453] ? perf_trace_sched_process_exec+0x860/0x860 [ 271.599903] ? print_usage_bug+0xc0/0xc0 [ 271.603962] ? print_usage_bug+0xc0/0xc0 [ 271.608045] ? down_read+0x8d/0x120 [ 271.611687] ? ext4_filemap_fault+0x7a/0xad [ 271.616013] ? __down_interruptible+0x700/0x700 [ 271.620705] ext4_filemap_fault+0x82/0xad [ 271.624862] __do_fault+0x100/0x6b0 [ 271.628492] ? unlock_page+0x2c2/0x4c0 [ 271.632381] ? pmd_devmap_trans_unstable+0x220/0x220 [ 271.637491] ? mark_held_locks+0x130/0x130 [ 271.641727] ? mark_held_locks+0x130/0x130 [ 271.645959] ? do_raw_spin_trylock+0x270/0x270 [ 271.650558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.656106] __handle_mm_fault+0x307c/0x5920 [ 271.660527] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 271.665391] ? kasan_check_read+0x11/0x20 [ 271.669541] ? _copy_to_user+0xc8/0x110 [ 271.673530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.679094] ? zap_class+0x640/0x640 [ 271.682811] ? zap_class+0x640/0x640 [ 271.686561] ? find_held_lock+0x36/0x1c0 [ 271.690632] ? handle_mm_fault+0x42a/0xc70 [ 271.694898] ? lock_downgrade+0x900/0x900 [ 271.699056] ? check_preemption_disabled+0x48/0x280 [ 271.704100] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 271.709042] ? kasan_check_read+0x11/0x20 [ 271.713194] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 271.718476] ? rcu_softirq_qs+0x20/0x20 [ 271.722454] ? trace_hardirqs_off_caller+0x310/0x310 [ 271.727597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.733140] ? check_preemption_disabled+0x48/0x280 [ 271.738168] handle_mm_fault+0x54f/0xc70 [ 271.742252] ? __handle_mm_fault+0x5920/0x5920 [ 271.746854] ? find_vma+0x34/0x190 [ 271.750405] __do_page_fault+0x5e8/0xe60 [ 271.754476] ? trace_hardirqs_off+0xb8/0x310 [ 271.758897] ? __ia32_sys_read+0xb0/0xb0 [ 271.762991] do_page_fault+0xf2/0x7e0 [ 271.766803] ? vmalloc_sync_all+0x30/0x30 [ 271.770963] ? error_entry+0x70/0xd0 [ 271.774681] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.779697] ? trace_hardirqs_on_caller+0xc0/0x310 [ 271.784628] ? syscall_return_slowpath+0x5e0/0x5e0 [ 271.789564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.794414] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.799433] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.804887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.810425] ? prepare_exit_to_usermode+0x291/0x3b0 [ 271.815448] ? page_fault+0x8/0x30 [ 271.818992] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.823868] ? page_fault+0x8/0x30 [ 271.827412] page_fault+0x1e/0x30 [ 271.830875] RIP: 0033:0x4727a0 [ 271.834087] Code: Bad RIP value. [ 271.837452] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 271.842824] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 271.850102] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 271.857375] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 271.864642] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 271.871909] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 271.879211] warn_alloc_show_mem: 1 callbacks suppressed [ 271.879223] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 271.879225] Mem-Info: [ 271.879258] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 271.879258] active_file:12 inactive_file:13 isolated_file:0 [ 271.879258] unevictable:0 dirty:0 writeback:0 unstable:0 [ 271.879258] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 271.879258] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 271.879258] free:13771 free_pcp:124 free_cma:0 [ 271.884602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.891559] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 271.893955] Call Trace: [ 271.926841] Node 0 [ 271.936190] [ 271.963610] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 271.963613] lowmem_reserve[]: 0 2818 6321 6321 [ 271.963628] Node 0 DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 271.963648] lowmem_reserve[]: 0 0 3503 3503 [ 271.963662] Node 0 Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 271.963682] lowmem_reserve[]: 0 0 0 0 [ 271.963695] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 271.963753] Node 0 DMA32: 4*4kB (M) 0*8kB 2*16kB (M) 2*32kB (UM) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25200kB [ 271.963813] Node 0 Normal: 786*4kB (MEH) 440*8kB (UMEH) 141*16kB (MEH) 54*32kB (MEH) 14*64kB (UME) 1*128kB (H) 1*256kB (H) 2*512kB (H) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB [ 271.963878] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 271.963883] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 271.963887] 163 total pagecache pages [ 271.963898] 0 pages in swap cache [ 271.963902] Swap cache stats: add 0, delete 0, find 0/0 [ 271.963905] Free swap = 0kB [ 271.963908] Total swap = 0kB [ 271.963911] 1965979 pages RAM [ 271.963914] 0 pages HighMem/MovableOnly [ 271.963917] 342867 pages reserved [ 271.963920] 0 pages cma reserved [ 271.963982] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.964050] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.964073] syz-fuzzer cpuset= [ 271.966674] dump_stack+0x244/0x39d [ 271.968910] / [ 271.971074] ? dump_stack_print_info.cold.1+0x20/0x20 [ 271.996581] mems_allowed=0 [ 272.192782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.198334] warn_alloc.cold.117+0xb7/0x1bd [ 272.202664] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 272.207527] ? lock_downgrade+0x900/0x900 [ 272.211698] ? trace_hardirqs_off+0xb8/0x310 [ 272.216140] ? trace_hardirqs_off+0xb8/0x310 [ 272.220558] __alloc_pages_slowpath+0x2660/0x2d70 [ 272.225444] ? warn_alloc+0x120/0x120 [ 272.229251] ? warn_alloc+0x120/0x120 [ 272.233064] ? print_usage_bug+0xc0/0xc0 [ 272.237147] ? warn_alloc+0x120/0x120 [ 272.240953] ? print_usage_bug+0xc0/0xc0 [ 272.245068] ? __lock_acquire+0x62f/0x4c20 [ 272.249315] ? __lock_acquire+0x62f/0x4c20 [ 272.253554] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.259094] ? should_fail+0x22d/0xd01 [ 272.262986] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.268270] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.273375] ? __lock_acquire+0x62f/0x4c20 [ 272.277621] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.282727] ? __lock_acquire+0x62f/0x4c20 [ 272.286962] ? should_fail+0x22d/0xd01 [ 272.290861] ? rcu_irq_exit+0x1a2/0x390 [ 272.294844] ? mark_held_locks+0x130/0x130 [ 272.299085] ? mark_held_locks+0x130/0x130 [ 272.303330] ? mark_held_locks+0xc7/0x130 [ 272.307479] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 272.312505] ? zap_class+0x640/0x640 [ 272.316225] ? print_usage_bug+0xc0/0xc0 [ 272.320292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.325832] ? check_preemption_disabled+0x48/0x280 [ 272.330857] ? __lock_is_held+0xb5/0x140 [ 272.334924] __alloc_pages_nodemask+0xa80/0xde0 [ 272.339592] ? zap_class+0x640/0x640 [ 272.343315] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 272.348346] ? find_held_lock+0x36/0x1c0 [ 272.352433] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.357134] ? lock_downgrade+0x900/0x900 [ 272.361294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.366849] cache_grow_begin+0xa5/0x8c0 [ 272.370920] ? do_raw_spin_unlock+0xa7/0x330 [ 272.375345] fallback_alloc+0x204/0x2e0 [ 272.379337] ____cache_alloc_node+0x1c7/0x1e0 [ 272.383857] kmem_cache_alloc_node+0xe3/0x730 [ 272.388363] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.392616] __alloc_skb+0x119/0x770 [ 272.396338] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.401621] ? netdev_alloc_frag+0x1f0/0x1f0 [ 272.406041] ? lock_downgrade+0x900/0x900 [ 272.410209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.415761] ? refcount_sub_and_test_checked+0x203/0x310 [ 272.421219] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 272.426668] ? addrconf_rs_timer+0x690/0x690 [ 272.431113] ndisc_alloc_skb+0x144/0x340 [ 272.435182] ndisc_send_rs+0x331/0x6e0 [ 272.439083] addrconf_rs_timer+0x314/0x690 [ 272.443326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.447580] call_timer_fn+0x272/0x920 [ 272.451467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.455704] ? process_timeout+0x40/0x40 [ 272.459777] ? __run_timers+0x7da/0xc70 [ 272.463780] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.468281] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.472779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.477039] ? lockdep_hardirqs_on+0x296/0x5b0 [ 272.481721] ? trace_hardirqs_on+0xbd/0x310 [ 272.486222] ? kasan_check_read+0x11/0x20 [ 272.490372] ? __run_timers+0x7da/0xc70 [ 272.494369] ? trace_hardirqs_off_caller+0x310/0x310 [ 272.499478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.503722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.507963] __run_timers+0x7e5/0xc70 [ 272.511798] ? timer_fixup_init+0x70/0x70 [ 272.515979] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 272.520996] ? zap_class+0x640/0x640 [ 272.524742] ? enqueue_hrtimer+0x1a5/0x560 [ 272.528980] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 272.534182] ? find_held_lock+0x36/0x1c0 [ 272.538253] ? zap_class+0x640/0x640 [ 272.541973] ? pvclock_read_flags+0x160/0x160 [ 272.546472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.552050] ? check_preemption_disabled+0x48/0x280 [ 272.557087] ? __lock_is_held+0xb5/0x140 [ 272.561152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.566703] ? check_preemption_disabled+0x48/0x280 [ 272.571726] run_timer_softirq+0x52/0xb0 [ 272.575793] ? rcu_read_lock_sched_held+0x14f/0x180 [ 272.580810] __do_softirq+0x308/0xb7e [ 272.584633] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 272.589128] ? lock_downgrade+0x900/0x900 [ 272.593281] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 272.598398] ? pvclock_read_flags+0x160/0x160 [ 272.602899] ? lapic_next_event+0x5a/0x90 [ 272.607068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.612621] ? kvm_clock_read+0x18/0x30 [ 272.616603] ? kvm_sched_clock_read+0x9/0x20 [ 272.621026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.626571] ? check_preemption_disabled+0x48/0x280 [ 272.631599] irq_exit+0x17f/0x1c0 [ 272.635063] smp_apic_timer_interrupt+0x1cb/0x760 [ 272.639905] ? smp_reschedule_interrupt+0x109/0x650 [ 272.644922] ? smp_call_function_single_interrupt+0x650/0x650 [ 272.650816] ? interrupt_entry+0xb5/0xc0 [ 272.654906] ? trace_hardirqs_off_caller+0xbb/0x310 [ 272.659935] ? trace_hardirqs_off_caller+0xbb/0x310 [ 272.664964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.669827] ? trace_hardirqs_on_caller+0x310/0x310 [ 272.674841] ? trace_hardirqs_on_caller+0x310/0x310 [ 272.679861] ? task_prio+0x50/0x50 [ 272.683408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.688946] ? check_preemption_disabled+0x48/0x280 [ 272.693967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.698824] apic_timer_interrupt+0xf/0x20 [ 272.703059] [ 272.705334] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 272.711225] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 272.730139] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 272.737861] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 272.746110] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 272.753393] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 272.760660] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 272.767940] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 272.775262] ? save_stack+0xa9/0xd0 [ 272.779779] __kmalloc_node_track_caller+0x33/0x70 [ 272.784714] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 272.789491] pskb_expand_head+0x230/0x10f0 [ 272.793748] ? memcpy+0x45/0x50 [ 272.797057] ? __copy_skb_header+0x350/0x6b0 [ 272.801479] ? skb_release_data+0x880/0x880 [ 272.805800] ? __alloc_skb+0x770/0x770 [ 272.809712] ? __lock_is_held+0xb5/0x140 [ 272.813796] ? kasan_check_write+0x14/0x20 [ 272.818055] ? __skb_clone+0x6c7/0xa00 [ 272.821953] ? __copy_skb_header+0x6b0/0x6b0 [ 272.826362] ? kmem_cache_alloc+0x33a/0x730 [ 272.830699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.836258] skb_ensure_writable+0x3dd/0x640 [ 272.840671] ? skb_checksum_setup+0xaa0/0xaa0 [ 272.845168] ? check_preemption_disabled+0x48/0x280 [ 272.850207] ? __this_cpu_preempt_check+0x1c/0x20 [ 272.855071] ? __bpf_redirect+0x54b/0xb20 [ 272.859231] bpf_clone_redirect+0x14a/0x490 [ 272.863573] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 272.868596] ? __sched_text_start+0x8/0x8 [ 272.872744] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.877504] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 272.882090] ? retint_kernel+0x2d/0x2d [ 272.885982] ? find_held_lock+0x36/0x1c0 [ 272.890065] ? lock_acquire+0x1ed/0x520 [ 272.894061] ? bpf_test_run+0x3cb/0x780 [ 272.898063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.903610] ? check_preemption_disabled+0x48/0x280 [ 272.908649] ? kasan_check_read+0x11/0x20 [ 272.912805] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 272.918085] ? rcu_softirq_qs+0x20/0x20 [ 272.922065] ? preempt_schedule+0x4d/0x60 [ 272.926216] ? ___preempt_schedule+0x16/0x18 [ 272.930640] ? bpf_test_run+0x25d/0x780 [ 272.934631] ? netlink_diag_dump+0x2a0/0x2a0 [ 272.939054] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.944596] ? bpf_test_init.isra.10+0x70/0x100 [ 272.949297] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 272.954071] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 272.958918] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 272.964463] ? fput+0x130/0x1a0 [ 272.967750] ? __bpf_prog_get+0x9b/0x290 [ 272.971816] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 272.976659] ? bpf_prog_test_run+0x130/0x1a0 [ 272.981078] ? __x64_sys_bpf+0x3d8/0x520 [ 272.985139] ? bpf_prog_get+0x20/0x20 [ 272.988960] ? do_syscall_64+0x1b9/0x820 [ 272.993031] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 272.998406] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.003353] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.008373] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 273.013393] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 273.020067] ? __switch_to_asm+0x40/0x70 [ 273.024130] ? __switch_to_asm+0x34/0x70 [ 273.028200] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.033068] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 273.038455] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 273.038541] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.045132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.045137] Call Trace: [ 273.045144] [ 273.045162] dump_stack+0x244/0x39d [ 273.045182] ? dump_stack_print_info.cold.1+0x20/0x20 [ 273.051785] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.061034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.063607] syz-executor5 cpuset= [ 273.065765] warn_alloc.cold.117+0xb7/0x1bd [ 273.069367] syz5 [ 273.074560] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.085031] mems_allowed=0 [ 273.090570] ? lock_downgrade+0x900/0x900 [ 273.112216] ? trace_hardirqs_off+0xb8/0x310 [ 273.116634] ? trace_hardirqs_off+0xb8/0x310 [ 273.121070] __alloc_pages_slowpath+0x2660/0x2d70 [ 273.125949] ? warn_alloc+0x120/0x120 [ 273.129763] ? warn_alloc+0x120/0x120 [ 273.133571] ? print_usage_bug+0xc0/0xc0 [ 273.137649] ? warn_alloc+0x120/0x120 [ 273.141466] ? print_usage_bug+0xc0/0xc0 [ 273.145561] ? __lock_acquire+0x62f/0x4c20 [ 273.149800] ? __lock_acquire+0x62f/0x4c20 [ 273.154051] ? __lock_acquire+0x62f/0x4c20 [ 273.158292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.163833] ? should_fail+0x22d/0xd01 [ 273.167728] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.172832] ? __lock_acquire+0x62f/0x4c20 [ 273.177094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.182208] ? __lock_acquire+0x62f/0x4c20 [ 273.186444] ? should_fail+0x22d/0xd01 [ 273.190356] ? mark_held_locks+0x130/0x130 [ 273.194608] ? mark_held_locks+0x130/0x130 [ 273.198848] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 273.203905] ? ktime_get+0x2c1/0x400 [ 273.207621] ? zap_class+0x640/0x640 [ 273.211335] ? print_usage_bug+0xc0/0xc0 [ 273.215402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.220942] ? check_preemption_disabled+0x48/0x280 [ 273.225973] ? __lock_is_held+0xb5/0x140 [ 273.230054] __alloc_pages_nodemask+0xa80/0xde0 [ 273.234737] ? zap_class+0x640/0x640 [ 273.238459] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 273.243491] ? find_held_lock+0x36/0x1c0 [ 273.247573] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.252247] ? lock_downgrade+0x900/0x900 [ 273.256406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.261951] cache_grow_begin+0xa5/0x8c0 [ 273.266014] ? do_raw_spin_unlock+0xa7/0x330 [ 273.270445] fallback_alloc+0x204/0x2e0 [ 273.274434] ____cache_alloc_node+0x1c7/0x1e0 [ 273.278939] kmem_cache_alloc_node+0xe3/0x730 [ 273.283440] ? ipv6_get_ifaddr+0x42e/0x620 [ 273.287688] __alloc_skb+0x119/0x770 [ 273.291416] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 273.296711] ? netdev_alloc_frag+0x1f0/0x1f0 [ 273.301121] ? lock_downgrade+0x900/0x900 [ 273.305280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.310828] ? refcount_sub_and_test_checked+0x203/0x310 [ 273.316282] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 273.321734] ? addrconf_rs_timer+0x690/0x690 [ 273.326170] ndisc_alloc_skb+0x144/0x340 [ 273.330238] ndisc_send_rs+0x331/0x6e0 [ 273.334133] addrconf_rs_timer+0x314/0x690 [ 273.338385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.342636] call_timer_fn+0x272/0x920 [ 273.346528] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.350781] ? process_timeout+0x40/0x40 [ 273.354854] ? mark_held_locks+0xc7/0x130 [ 273.359009] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.363530] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.368038] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.372287] ? lockdep_hardirqs_on+0x296/0x5b0 [ 273.376875] ? trace_hardirqs_on+0xbd/0x310 [ 273.381201] ? kasan_check_read+0x11/0x20 [ 273.385351] ? __run_timers+0x7da/0xc70 [ 273.389328] ? trace_hardirqs_off_caller+0x310/0x310 [ 273.394449] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.398687] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.402920] __run_timers+0x7e5/0xc70 [ 273.406735] ? timer_fixup_init+0x70/0x70 [ 273.410889] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.415910] ? zap_class+0x640/0x640 [ 273.419644] ? print_usage_bug+0xc0/0xc0 [ 273.423708] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.428907] ? find_held_lock+0x36/0x1c0 [ 273.432973] ? zap_class+0x640/0x640 [ 273.436694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.442238] ? check_preemption_disabled+0x48/0x280 [ 273.447267] ? __lock_is_held+0xb5/0x140 [ 273.451335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.457115] ? check_preemption_disabled+0x48/0x280 [ 273.462142] run_timer_softirq+0x52/0xb0 [ 273.466207] ? rcu_read_lock_sched_held+0x14f/0x180 [ 273.471226] __do_softirq+0x308/0xb7e [ 273.475040] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 273.479540] ? lock_downgrade+0x900/0x900 [ 273.483700] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 273.488814] ? pvclock_read_flags+0x160/0x160 [ 273.493322] ? lapic_next_event+0x5a/0x90 [ 273.497474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.503027] ? kvm_clock_read+0x18/0x30 [ 273.507008] ? kvm_sched_clock_read+0x9/0x20 [ 273.511434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.516974] ? check_preemption_disabled+0x48/0x280 [ 273.522003] irq_exit+0x17f/0x1c0 [ 273.525482] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.530328] ? smp_reschedule_interrupt+0x109/0x650 [ 273.535347] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.541237] ? interrupt_entry+0xb5/0xc0 [ 273.545302] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.550318] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.555341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.560193] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.565733] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.570752] ? task_prio+0x50/0x50 [ 273.574299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.579840] ? check_preemption_disabled+0x48/0x280 [ 273.584869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.589723] apic_timer_interrupt+0xf/0x20 [ 273.593956] [ 273.596202] RIP: 0010:console_unlock+0xffa/0x1160 [ 273.601060] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 273.620067] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 273.627787] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 273.635083] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 273.642396] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 273.649666] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 273.656936] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 273.664404] ? netconsole_netdev_event+0x280/0x280 [ 273.669357] ? console_unlock+0xff1/0x1160 [ 273.673637] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 273.678317] ? lock_release+0xa00/0xa00 [ 273.682300] ? interrupt_entry+0xc0/0xc0 [ 273.686382] vprintk_emit+0x33d/0x930 [ 273.690195] ? wake_up_klogd+0x180/0x180 [ 273.694260] ? attach_entity_load_avg+0x810/0x860 [ 273.699106] ? __lock_acquire+0x600/0x4c20 [ 273.703346] ? mark_held_locks+0x130/0x130 [ 273.707608] ? print_usage_bug+0xc0/0xc0 [ 273.711694] ? find_held_lock+0x36/0x1c0 [ 273.715771] ? mark_held_locks+0xc7/0x130 [ 273.719923] vprintk_default+0x28/0x30 [ 273.723813] vprintk_func+0x7e/0x181 [ 273.727537] printk+0xa7/0xcf [ 273.730656] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 273.735451] show_free_areas.cold.118+0x1f34/0x215d [ 273.740526] ? si_meminfo_node+0x260/0x260 [ 273.744782] ? __lock_acquire+0x62f/0x4c20 [ 273.749025] ? __lock_acquire+0x62f/0x4c20 [ 273.753272] ? __lock_is_held+0xb5/0x140 [ 273.757359] ? mark_held_locks+0x130/0x130 [ 273.761604] ? zap_class+0x640/0x640 [ 273.765323] ? put_dec+0x3b/0xf0 [ 273.768699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.774249] ? find_held_lock+0x36/0x1c0 [ 273.778325] ? serial8250_console_write+0x8b3/0xb10 [ 273.783378] ? lock_downgrade+0x900/0x900 [ 273.787540] ? zap_class+0x640/0x640 [ 273.791268] ? zap_class+0x640/0x640 [ 273.794983] ? print_usage_bug+0xc0/0xc0 [ 273.799050] ? do_raw_spin_unlock+0xa7/0x330 [ 273.803465] ? trace_hardirqs_on+0x310/0x310 [ 273.807875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.813423] ? find_held_lock+0x36/0x1c0 [ 273.817506] ? mark_held_locks+0xc7/0x130 [ 273.821661] ? console_unlock+0xfcd/0x1160 [ 273.825899] ? netconsole_netdev_event+0x280/0x280 [ 273.830833] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 273.835426] ? trace_hardirqs_on+0xbd/0x310 [ 273.839745] ? vprintk_emit+0x33d/0x930 [ 273.843723] ? trace_hardirqs_off_caller+0x310/0x310 [ 273.848831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.854376] ? netconsole_netdev_event+0x280/0x280 [ 273.859309] ? console_unlock+0x8d8/0x1160 [ 273.863567] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 273.868235] ? vprintk_emit+0x7f7/0x930 [ 273.872215] ? lock_release+0xa00/0xa00 [ 273.876197] ? preempt_count_add+0xbc/0x1b0 [ 273.880524] ? wake_up_klogd+0x11a/0x180 [ 273.884592] ? console_device+0xc0/0xc0 [ 273.888607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.894155] ? vprintk_emit+0x268/0x930 [ 273.898137] ? wake_up_klogd+0x180/0x180 [ 273.902197] ? trace_hardirqs_on_caller+0xc0/0x310 [ 273.907144] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.911912] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.917365] ? retint_kernel+0x1b/0x2d [ 273.921274] ? trace_hardirqs_on+0x310/0x310 [ 273.925693] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.930477] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 273.935245] ? show_mem+0x1e/0x17b [ 273.938799] show_mem+0x34/0x17b [ 273.942169] dump_header+0x2f1/0xf72 [ 273.945900] ? mark_held_locks+0x130/0x130 [ 273.950151] ? pagefault_out_of_memory+0x197/0x197 [ 273.955099] ? __lock_acquire+0x62f/0x4c20 [ 273.959335] ? zap_class+0x640/0x640 [ 273.963063] ? percpu_ref_get_many+0x240/0x240 [ 273.967650] ? print_usage_bug+0xc0/0xc0 [ 273.971715] ? print_usage_bug+0xc0/0xc0 [ 273.975787] ? zap_class+0x640/0x640 [ 273.979505] ? print_usage_bug+0xc0/0xc0 [ 273.983569] ? print_usage_bug+0xc0/0xc0 [ 273.987639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.993183] ? find_held_lock+0x36/0x1c0 [ 273.997258] ? mark_held_locks+0xc7/0x130 [ 274.001416] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 274.006552] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 274.011656] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 274.016243] ? trace_hardirqs_on+0xbd/0x310 [ 274.020571] ? kasan_check_read+0x11/0x20 [ 274.024716] ? ___ratelimit+0x3b4/0x672 [ 274.028694] ? trace_hardirqs_off_caller+0x310/0x310 [ 274.033813] ? trace_hardirqs_on+0x310/0x310 [ 274.038223] ? lock_downgrade+0x900/0x900 [ 274.042381] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.047502] ? ___ratelimit+0x3b9/0x672 [ 274.051489] ? idr_get_free+0xec0/0xec0 [ 274.055467] ? kasan_check_read+0x11/0x20 [ 274.059617] ? do_raw_spin_unlock+0xa7/0x330 [ 274.064047] oom_kill_process.cold.27+0x10/0x903 [ 274.068819] ? zap_class+0x640/0x640 [ 274.072535] ? _raw_spin_unlock+0x2c/0x50 [ 274.076686] ? oom_badness+0xe6/0xaa0 [ 274.080518] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 274.085454] ? kasan_check_read+0x11/0x20 [ 274.089609] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.094889] ? oom_evaluate_task+0x540/0x540 [ 274.099303] ? find_held_lock+0x36/0x1c0 [ 274.103382] ? out_of_memory+0x974/0x1430 [ 274.107535] ? lock_downgrade+0x900/0x900 [ 274.111703] ? check_preemption_disabled+0x48/0x280 [ 274.116728] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 274.121657] ? kasan_check_read+0x11/0x20 [ 274.125823] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.131108] ? rcu_softirq_qs+0x20/0x20 [ 274.135092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.140632] ? oom_evaluate_task+0x302/0x540 [ 274.145055] out_of_memory+0xa84/0x1430 [ 274.149074] ? oom_killer_disable+0x3a0/0x3a0 [ 274.153593] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 274.158527] ? __mutex_add_waiter+0x2a0/0x2a0 [ 274.163049] __alloc_pages_slowpath+0x22d4/0x2d70 [ 274.168199] ? warn_alloc+0x120/0x120 [ 274.172002] ? rcu_softirq_qs+0x20/0x20 [ 274.176036] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.181575] ? should_fail+0x22d/0xd01 [ 274.185470] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.190591] ? zap_class+0x640/0x640 [ 274.194366] ? __lock_is_held+0xb5/0x140 [ 274.198436] ? mark_held_locks+0x130/0x130 [ 274.202677] ? lock_release+0xa00/0xa00 [ 274.206655] ? perf_trace_sched_process_exec+0x860/0x860 [ 274.212115] ? __might_sleep+0x95/0x190 [ 274.216100] __alloc_pages_nodemask+0xa80/0xde0 [ 274.220776] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 274.225801] ? __page_cache_alloc+0x191/0x5c0 [ 274.230302] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 274.235234] ? kasan_check_read+0x11/0x20 [ 274.239386] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.244680] ? zap_class+0x640/0x640 [ 274.248402] ? zap_class+0x640/0x640 [ 274.252117] ? zap_class+0x640/0x640 [ 274.255837] ? __do_page_cache_readahead+0x7ce/0x980 [ 274.260948] ? find_held_lock+0x36/0x1c0 [ 274.265028] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 274.270596] alloc_pages_current+0x173/0x350 [ 274.275013] __page_cache_alloc+0x38c/0x5c0 [ 274.279351] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 274.284281] ? kasan_check_read+0x11/0x20 [ 274.288430] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.293709] ? generic_perform_write+0x6a0/0x6a0 [ 274.298468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.304011] ? check_preemption_disabled+0x48/0x280 [ 274.309067] filemap_fault+0x1594/0x25f0 [ 274.313157] ? __lock_page_or_retry+0xa00/0xa00 [ 274.317831] ? mark_held_locks+0x130/0x130 [ 274.322079] ? rcu_softirq_qs+0x20/0x20 [ 274.326094] ? filemap_map_pages+0xe04/0x1990 [ 274.330650] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 274.335600] ? futex_wait_setup+0x15c/0x3e0 [ 274.339934] ? zap_class+0x640/0x640 [ 274.343660] ? lock_acquire+0x1ed/0x520 [ 274.347653] ? alloc_set_pte+0x1447/0x1f40 [ 274.351906] ? lock_acquire+0x1ed/0x520 [ 274.355884] ? ext4_filemap_fault+0x7a/0xad [ 274.360213] ? lock_release+0xa00/0xa00 [ 274.364191] ? perf_trace_sched_process_exec+0x860/0x860 [ 274.369643] ? print_usage_bug+0xc0/0xc0 [ 274.373705] ? print_usage_bug+0xc0/0xc0 [ 274.377796] ? down_read+0x8d/0x120 [ 274.381421] ? ext4_filemap_fault+0x7a/0xad [ 274.385746] ? __down_interruptible+0x700/0x700 [ 274.390426] ext4_filemap_fault+0x82/0xad [ 274.394581] __do_fault+0x100/0x6b0 [ 274.398211] ? unlock_page+0x2c2/0x4c0 [ 274.402105] ? pmd_devmap_trans_unstable+0x220/0x220 [ 274.407214] ? mark_held_locks+0x130/0x130 [ 274.411455] ? mark_held_locks+0x130/0x130 [ 274.415694] ? do_raw_spin_trylock+0x270/0x270 [ 274.420300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.425849] __handle_mm_fault+0x307c/0x5920 [ 274.430267] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 274.435120] ? kasan_check_read+0x11/0x20 [ 274.439302] ? _copy_to_user+0xc8/0x110 [ 274.443283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.448834] ? zap_class+0x640/0x640 [ 274.452559] ? zap_class+0x640/0x640 [ 274.456282] ? find_held_lock+0x36/0x1c0 [ 274.460354] ? handle_mm_fault+0x42a/0xc70 [ 274.464602] ? lock_downgrade+0x900/0x900 [ 274.468755] ? check_preemption_disabled+0x48/0x280 [ 274.473782] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 274.478712] ? kasan_check_read+0x11/0x20 [ 274.482863] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 274.488144] ? rcu_softirq_qs+0x20/0x20 [ 274.492121] ? trace_hardirqs_off_caller+0x310/0x310 [ 274.497227] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.502769] ? check_preemption_disabled+0x48/0x280 [ 274.507794] handle_mm_fault+0x54f/0xc70 [ 274.511859] ? __handle_mm_fault+0x5920/0x5920 [ 274.516448] ? find_vma+0x34/0x190 [ 274.520026] __do_page_fault+0x5e8/0xe60 [ 274.524093] ? trace_hardirqs_off+0xb8/0x310 [ 274.528505] ? __ia32_sys_read+0xb0/0xb0 [ 274.532595] do_page_fault+0xf2/0x7e0 [ 274.536399] ? vmalloc_sync_all+0x30/0x30 [ 274.540560] ? error_entry+0x70/0xd0 [ 274.544278] ? trace_hardirqs_off_caller+0xbb/0x310 [ 274.549322] ? trace_hardirqs_on_caller+0xc0/0x310 [ 274.554318] ? syscall_return_slowpath+0x5e0/0x5e0 [ 274.559254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.564100] ? trace_hardirqs_on_caller+0x310/0x310 [ 274.569118] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.574579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.580117] ? prepare_exit_to_usermode+0x291/0x3b0 [ 274.585136] ? page_fault+0x8/0x30 [ 274.588683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.593533] ? page_fault+0x8/0x30 [ 274.597088] page_fault+0x1e/0x30 [ 274.600541] RIP: 0033:0x4727a0 [ 274.603752] Code: Bad RIP value. [ 274.607116] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 274.612484] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 274.619748] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 274.627014] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 274.634295] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 274.641577] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 274.648866] warn_alloc_show_mem: 1 callbacks suppressed [ 274.648878] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 274.648880] Mem-Info: [ 274.648911] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 274.648911] active_file:12 inactive_file:13 isolated_file:0 [ 274.648911] unevictable:0 dirty:0 writeback:0 unstable:0 [ 274.648911] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 274.648911] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 274.648911] free:13771 free_pcp:124 free_cma:0 [ 274.654287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.661221] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 274.663637] Call Trace: [ 274.696522] Node 0 [ 274.705887] [ 274.733310] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 274.735872] dump_stack+0x244/0x39d [ 274.738093] lowmem_reserve[]: [ 274.740260] ? dump_stack_print_info.cold.1+0x20/0x20 [ 274.765743] 0 2818 [ 274.769384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.772459] 6321 6321 [ 274.777662] warn_alloc.cold.117+0xb7/0x1bd [ 274.785409] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 274.787888] Node 0 [ 274.792211] ? lock_downgrade+0x900/0x900 [ 274.797099] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 274.797107] lowmem_reserve[]: [ 274.799360] ? trace_hardirqs_off+0xb8/0x310 [ 274.803495] 0 [ 274.830484] ? trace_hardirqs_off+0xb8/0x310 [ 274.833573] 0 [ 274.837985] __alloc_pages_slowpath+0x2660/0x2d70 [ 274.839763] 3503 [ 274.844195] ? warn_alloc+0x120/0x120 [ 274.845952] 3503 [ 274.850806] ? warn_alloc+0x120/0x120 [ 274.852866] Node 0 [ 274.856700] ? print_usage_bug+0xc0/0xc0 [ 274.858782] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 274.862561] ? warn_alloc+0x120/0x120 [ 274.864781] lowmem_reserve[]: [ 274.868847] ? print_usage_bug+0xc0/0xc0 [ 274.896940] 0 0 [ 274.900750] ? idle_cpu+0x1d0/0x1d0 [ 274.903837] 0 [ 274.907897] ? kvm_sched_clock_read+0x9/0x20 [ 274.909847] 0 [ 274.913496] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.915275] Node 0 [ 274.919680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.921459] DMA: [ 274.926474] ? should_fail+0x22d/0xd01 [ 274.928695] 1*4kB [ 274.934226] ? __lock_is_held+0xb5/0x140 [ 274.936268] (U) [ 274.940156] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.942287] 0*8kB [ 274.946349] ? __lock_acquire+0x62f/0x4c20 [ 274.948312] 0*16kB [ 274.953409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.955552] 1*32kB [ 274.959778] ? __lock_acquire+0x62f/0x4c20 [ 274.962030] (U) [ 274.967134] ? should_fail+0x22d/0xd01 [ 274.969370] 2*64kB [ 274.973607] ? mark_held_locks+0x130/0x130 [ 274.975576] (U) [ 274.979498] ? mark_held_locks+0x130/0x130 [ 274.981714] 1*128kB [ 274.985966] ? account_entity_enqueue+0x3a3/0x660 [ 274.987920] (U) 1*256kB [ 274.992165] ? zap_class+0x640/0x640 [ 274.994466] (U) [ 274.999308] ? print_usage_bug+0xc0/0xc0 [ 275.001962] 0*512kB 1*1024kB [ 275.005692] ? rcu_softirq_qs+0x20/0x20 [ 275.007644] (U) [ 275.011703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.014781] 1*2048kB (M) [ 275.018761] ? check_preemption_disabled+0x48/0x280 [ 275.020715] 3*4096kB (M) [ 275.026275] ? __lock_is_held+0xb5/0x140 [ 275.029009] = 15908kB [ 275.034040] __alloc_pages_nodemask+0xa80/0xde0 [ 275.036780] Node 0 [ 275.040852] ? zap_class+0x640/0x640 [ 275.043241] DMA32: [ 275.047907] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 275.050138] 4*4kB [ 275.053857] ? find_held_lock+0x36/0x1c0 [ 275.056069] (M) [ 275.061096] ? ____cache_alloc_node+0x1c7/0x1e0 [ 275.063224] 0*8kB [ 275.067285] ? lock_downgrade+0x900/0x900 [ 275.069246] 2*16kB [ 275.073912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.076052] (M) [ 275.080199] cache_grow_begin+0xa5/0x8c0 [ 275.082421] 2*32kB [ 275.087955] ? do_raw_spin_unlock+0xa7/0x330 [ 275.089916] (UM) [ 275.093979] fallback_alloc+0x204/0x2e0 [ 275.096192] 4*64kB [ 275.100602] ____cache_alloc_node+0x1c7/0x1e0 [ 275.102646] (UM) [ 275.106645] kmem_cache_alloc_node+0xe3/0x730 [ 275.108862] 4*128kB [ 275.113353] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.115396] (M) [ 275.119894] __alloc_skb+0x119/0x770 [ 275.122196] 3*256kB [ 275.126430] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.128394] (M) [ 275.132113] ? netdev_alloc_frag+0x1f0/0x1f0 [ 275.134422] 4*512kB [ 275.139693] ? lock_downgrade+0x900/0x900 [ 275.141650] (UM) [ 275.146065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.148363] 3*1024kB [ 275.152509] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.154583] (UM) [ 275.160134] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.162525] 3*2048kB [ 275.167972] ? addrconf_rs_timer+0x690/0x690 [ 275.170028] (UM) [ 275.175492] ndisc_alloc_skb+0x144/0x340 [ 275.177878] 3*4096kB [ 275.182286] ndisc_send_rs+0x331/0x6e0 [ 275.184327] (M) [ 275.188393] addrconf_rs_timer+0x314/0x690 [ 275.190785] = 25200kB [ 275.194666] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.196622] Node 0 [ 275.200866] call_timer_fn+0x272/0x920 [ 275.203252] Normal: [ 275.207483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.209700] 786*4kB [ 275.213582] ? process_timeout+0x40/0x40 [ 275.215887] (MEH) [ 275.220126] ? __run_timers+0x7da/0xc70 [ 275.222425] 440*8kB [ 275.226495] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.228622] (UMEH) [ 275.232591] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.234895] 141*16kB [ 275.239396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.241628] (MEH) [ 275.246121] ? lockdep_hardirqs_on+0x296/0x5b0 [ 275.248526] 54*32kB [ 275.252771] ? trace_hardirqs_on+0xbd/0x310 [ 275.254912] (MEH) [ 275.259495] ? kasan_check_read+0x11/0x20 [ 275.261800] 14*64kB [ 275.266116] ? __run_timers+0x7da/0xc70 [ 275.268245] (UME) [ 275.272414] ? trace_hardirqs_off_caller+0x310/0x310 [ 275.274715] 1*128kB [ 275.278693] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.280820] (H) [ 275.285920] __run_timers+0x7e5/0xc70 [ 275.288225] 1*256kB [ 275.292464] ? timer_fixup_init+0x70/0x70 [ 275.294415] (H) [ 275.298221] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 275.300523] 2*512kB [ 275.304680] ? zap_class+0x640/0x640 [ 275.306641] (H) [ 275.311664] ? enqueue_hrtimer+0x1a5/0x560 [ 275.313972] 1*1024kB [ 275.317678] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 275.319633] (U) [ 275.323870] ? find_held_lock+0x36/0x1c0 [ 275.326261] 0*2048kB [ 275.331444] ? zap_class+0x640/0x640 [ 275.333418] 0*4096kB [ 275.337489] ? pvclock_read_flags+0x160/0x160 [ 275.339894] = 13976kB [ 275.343602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.345998] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 275.350513] ? check_preemption_disabled+0x48/0x280 [ 275.352929] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 275.358471] ? __lock_is_held+0xb5/0x140 [ 275.367288] 163 total pagecache pages [ 275.372312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.380877] 0 pages in swap cache [ 275.384925] ? check_preemption_disabled+0x48/0x280 [ 275.388706] Swap cache stats: add 0, delete 0, find 0/0 [ 275.394236] run_timer_softirq+0x52/0xb0 [ 275.397670] Free swap = 0kB [ 275.402683] ? rcu_read_lock_sched_held+0x14f/0x180 [ 275.408027] Total swap = 0kB [ 275.408036] 1965979 pages RAM [ 275.412101] __do_softirq+0x308/0xb7e [ 275.415104] 0 pages HighMem/MovableOnly [ 275.420143] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 275.423138] 342867 pages reserved [ 275.423147] 0 pages cma reserved [ 275.426250] ? lock_downgrade+0x900/0x900 [ 275.430121] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 275.434013] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 275.438598] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 275.441954] ? pvclock_read_flags+0x160/0x160 [ 275.445296] syz-fuzzer cpuset= [ 275.449444] ? lapic_next_event+0x5a/0x90 [ 275.456128] / [ 275.461234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.471441] mems_allowed=0 [ 275.475932] ? kvm_clock_read+0x18/0x30 [ 275.497362] ? kvm_sched_clock_read+0x9/0x20 [ 275.501772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.507384] ? check_preemption_disabled+0x48/0x280 [ 275.512423] irq_exit+0x17f/0x1c0 [ 275.515880] smp_apic_timer_interrupt+0x1cb/0x760 [ 275.520724] ? smp_reschedule_interrupt+0x109/0x650 [ 275.525744] ? smp_call_function_single_interrupt+0x650/0x650 [ 275.531635] ? interrupt_entry+0xb5/0xc0 [ 275.535704] ? trace_hardirqs_off_caller+0xbb/0x310 [ 275.540725] ? trace_hardirqs_off_caller+0xbb/0x310 [ 275.545753] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.550598] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.555616] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.560637] ? task_prio+0x50/0x50 [ 275.564289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.569829] ? check_preemption_disabled+0x48/0x280 [ 275.574876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.579753] apic_timer_interrupt+0xf/0x20 [ 275.583991] [ 275.586245] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 275.592164] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 275.611186] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 275.618903] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 275.626172] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 275.633440] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 275.640708] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 275.647977] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 275.655286] ? save_stack+0xa9/0xd0 [ 275.658941] __kmalloc_node_track_caller+0x33/0x70 [ 275.663889] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 275.668677] pskb_expand_head+0x230/0x10f0 [ 275.672916] ? memcpy+0x45/0x50 [ 275.676196] ? __copy_skb_header+0x350/0x6b0 [ 275.680606] ? skb_release_data+0x880/0x880 [ 275.684927] ? __alloc_skb+0x770/0x770 [ 275.688824] ? __lock_is_held+0xb5/0x140 [ 275.692915] ? kasan_check_write+0x14/0x20 [ 275.697169] ? __skb_clone+0x6c7/0xa00 [ 275.701069] ? __copy_skb_header+0x6b0/0x6b0 [ 275.705485] ? kmem_cache_alloc+0x33a/0x730 [ 275.709810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.715355] skb_ensure_writable+0x3dd/0x640 [ 275.719773] ? skb_checksum_setup+0xaa0/0xaa0 [ 275.724270] ? check_preemption_disabled+0x48/0x280 [ 275.729291] ? __this_cpu_preempt_check+0x1c/0x20 [ 275.734140] ? __bpf_redirect+0x54b/0xb20 [ 275.738307] bpf_clone_redirect+0x14a/0x490 [ 275.742640] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 275.747663] ? __sched_text_start+0x8/0x8 [ 275.751811] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 275.756571] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 275.761168] ? retint_kernel+0x2d/0x2d [ 275.765074] ? find_held_lock+0x36/0x1c0 [ 275.769147] ? lock_acquire+0x1ed/0x520 [ 275.773127] ? bpf_test_run+0x3cb/0x780 [ 275.777106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.782645] ? check_preemption_disabled+0x48/0x280 [ 275.787667] ? kasan_check_read+0x11/0x20 [ 275.791822] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 275.797110] ? rcu_softirq_qs+0x20/0x20 [ 275.801091] ? preempt_schedule+0x4d/0x60 [ 275.805245] ? ___preempt_schedule+0x16/0x18 [ 275.809662] ? bpf_test_run+0x25d/0x780 [ 275.813650] ? netlink_diag_dump+0x2a0/0x2a0 [ 275.818071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.823616] ? bpf_test_init.isra.10+0x70/0x100 [ 275.828294] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 275.833110] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 275.837954] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 275.843495] ? fput+0x130/0x1a0 [ 275.846782] ? __bpf_prog_get+0x9b/0x290 [ 275.850848] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 275.855704] ? bpf_prog_test_run+0x130/0x1a0 [ 275.860119] ? __x64_sys_bpf+0x3d8/0x520 [ 275.864182] ? bpf_prog_get+0x20/0x20 [ 275.868011] ? do_syscall_64+0x1b9/0x820 [ 275.872093] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 275.877462] ? syscall_return_slowpath+0x5e0/0x5e0 [ 275.882409] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.887432] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 275.892465] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 275.899137] ? __switch_to_asm+0x40/0x70 [ 275.903198] ? __switch_to_asm+0x34/0x70 [ 275.907265] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.912118] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 275.917511] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 275.917595] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 275.924188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.924198] Call Trace: [ 275.930781] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 275.940040] [ 275.942632] syz-executor5 cpuset= [ 275.953114] dump_stack+0x244/0x39d [ 275.955248] syz5 [ 275.958699] ? dump_stack_print_info.cold.1+0x20/0x20 [ 275.962308] mems_allowed=0 [ 275.964540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.978186] warn_alloc.cold.117+0xb7/0x1bd [ 275.982517] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.987370] ? lock_downgrade+0x900/0x900 [ 275.991528] ? trace_hardirqs_off+0xb8/0x310 [ 275.995949] ? trace_hardirqs_off+0xb8/0x310 [ 276.000368] __alloc_pages_slowpath+0x2660/0x2d70 [ 276.005244] ? warn_alloc+0x120/0x120 [ 276.009067] ? warn_alloc+0x120/0x120 [ 276.012872] ? print_usage_bug+0xc0/0xc0 [ 276.016966] ? warn_alloc+0x120/0x120 [ 276.020776] ? print_usage_bug+0xc0/0xc0 [ 276.024839] ? __lock_acquire+0x62f/0x4c20 [ 276.029074] ? __lock_acquire+0x62f/0x4c20 [ 276.033330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.038880] ? should_fail+0x22d/0xd01 [ 276.042773] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 276.048087] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.053196] ? __lock_acquire+0x62f/0x4c20 [ 276.057449] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.062557] ? __lock_acquire+0x62f/0x4c20 [ 276.066788] ? should_fail+0x22d/0xd01 [ 276.070694] ? rcu_irq_exit+0x1a2/0x390 [ 276.074691] ? mark_held_locks+0x130/0x130 [ 276.078934] ? mark_held_locks+0x130/0x130 [ 276.083200] ? mark_held_locks+0xc7/0x130 [ 276.087347] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 276.092366] ? zap_class+0x640/0x640 [ 276.096082] ? print_usage_bug+0xc0/0xc0 [ 276.100168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.105707] ? check_preemption_disabled+0x48/0x280 [ 276.110735] ? __lock_is_held+0xb5/0x140 [ 276.114808] __alloc_pages_nodemask+0xa80/0xde0 [ 276.119480] ? zap_class+0x640/0x640 [ 276.123202] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 276.128232] ? find_held_lock+0x36/0x1c0 [ 276.132311] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.136981] ? lock_downgrade+0x900/0x900 [ 276.141137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.146701] cache_grow_begin+0xa5/0x8c0 [ 276.150766] ? do_raw_spin_unlock+0xa7/0x330 [ 276.155186] fallback_alloc+0x204/0x2e0 [ 276.159170] ____cache_alloc_node+0x1c7/0x1e0 [ 276.163673] kmem_cache_alloc_node+0xe3/0x730 [ 276.168171] ? ipv6_get_ifaddr+0x42e/0x620 [ 276.172430] __alloc_skb+0x119/0x770 [ 276.176174] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 276.181456] ? netdev_alloc_frag+0x1f0/0x1f0 [ 276.185865] ? lock_downgrade+0x900/0x900 [ 276.190032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.195581] ? refcount_sub_and_test_checked+0x203/0x310 [ 276.201045] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 276.206500] ? addrconf_rs_timer+0x690/0x690 [ 276.210926] ndisc_alloc_skb+0x144/0x340 [ 276.214993] ndisc_send_rs+0x331/0x6e0 [ 276.218900] addrconf_rs_timer+0x314/0x690 [ 276.223147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.227398] call_timer_fn+0x272/0x920 [ 276.231290] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.235528] ? process_timeout+0x40/0x40 [ 276.239606] ? mark_held_locks+0xc7/0x130 [ 276.243771] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.248266] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.252760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.257027] ? lockdep_hardirqs_on+0x296/0x5b0 [ 276.261615] ? trace_hardirqs_on+0xbd/0x310 [ 276.265937] ? kasan_check_read+0x11/0x20 [ 276.270092] ? __run_timers+0x7da/0xc70 [ 276.274082] ? trace_hardirqs_off_caller+0x310/0x310 [ 276.279210] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.283455] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.287689] __run_timers+0x7e5/0xc70 [ 276.291501] ? timer_fixup_init+0x70/0x70 [ 276.295668] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.300689] ? zap_class+0x640/0x640 [ 276.304419] ? print_usage_bug+0xc0/0xc0 [ 276.308496] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.313704] ? find_held_lock+0x36/0x1c0 [ 276.317771] ? zap_class+0x640/0x640 [ 276.321503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.327054] ? check_preemption_disabled+0x48/0x280 [ 276.332099] ? __lock_is_held+0xb5/0x140 [ 276.336166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.341732] ? check_preemption_disabled+0x48/0x280 [ 276.346752] run_timer_softirq+0x52/0xb0 [ 276.350815] ? rcu_read_lock_sched_held+0x14f/0x180 [ 276.355847] __do_softirq+0x308/0xb7e [ 276.359655] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 276.364151] ? lock_downgrade+0x900/0x900 [ 276.368327] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 276.373442] ? pvclock_read_flags+0x160/0x160 [ 276.377946] ? lapic_next_event+0x5a/0x90 [ 276.382101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.387643] ? kvm_clock_read+0x18/0x30 [ 276.391617] ? kvm_sched_clock_read+0x9/0x20 [ 276.396046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.401599] ? check_preemption_disabled+0x48/0x280 [ 276.406654] irq_exit+0x17f/0x1c0 [ 276.410108] smp_apic_timer_interrupt+0x1cb/0x760 [ 276.414951] ? smp_reschedule_interrupt+0x109/0x650 [ 276.420008] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.425928] ? interrupt_entry+0xb5/0xc0 [ 276.430003] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.435039] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.440076] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.444944] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.449977] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.455038] ? task_prio+0x50/0x50 [ 276.458600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.464150] ? check_preemption_disabled+0x48/0x280 [ 276.469182] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.474056] apic_timer_interrupt+0xf/0x20 [ 276.478292] [ 276.480540] RIP: 0010:console_unlock+0xffa/0x1160 [ 276.485396] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 276.504299] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 276.512010] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 276.519299] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 276.526582] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 276.533852] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 276.541119] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 276.548396] ? netconsole_netdev_event+0x280/0x280 [ 276.553334] ? console_unlock+0xff1/0x1160 [ 276.557594] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 276.562273] ? lock_release+0xa00/0xa00 [ 276.566264] ? interrupt_entry+0xc0/0xc0 [ 276.570357] vprintk_emit+0x33d/0x930 [ 276.574161] ? wake_up_klogd+0x180/0x180 [ 276.578248] ? attach_entity_load_avg+0x810/0x860 [ 276.583089] ? __lock_acquire+0x600/0x4c20 [ 276.587324] ? mark_held_locks+0x130/0x130 [ 276.591564] ? print_usage_bug+0xc0/0xc0 [ 276.595659] ? find_held_lock+0x36/0x1c0 [ 276.599729] ? mark_held_locks+0xc7/0x130 [ 276.603884] vprintk_default+0x28/0x30 [ 276.607775] vprintk_func+0x7e/0x181 [ 276.611515] printk+0xa7/0xcf [ 276.614627] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 276.619406] show_free_areas.cold.118+0x1f34/0x215d [ 276.624449] ? si_meminfo_node+0x260/0x260 [ 276.628692] ? __lock_acquire+0x62f/0x4c20 [ 276.632929] ? __lock_acquire+0x62f/0x4c20 [ 276.637167] ? __lock_is_held+0xb5/0x140 [ 276.641259] ? mark_held_locks+0x130/0x130 [ 276.645501] ? zap_class+0x640/0x640 [ 276.649218] ? put_dec+0x3b/0xf0 [ 276.652588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.658135] ? find_held_lock+0x36/0x1c0 [ 276.662209] ? serial8250_console_write+0x8b3/0xb10 [ 276.667246] ? lock_downgrade+0x900/0x900 [ 276.671409] ? zap_class+0x640/0x640 [ 276.675127] ? zap_class+0x640/0x640 [ 276.678849] ? print_usage_bug+0xc0/0xc0 [ 276.682911] ? do_raw_spin_unlock+0xa7/0x330 [ 276.687324] ? trace_hardirqs_on+0x310/0x310 [ 276.691744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.697307] ? find_held_lock+0x36/0x1c0 [ 276.701379] ? mark_held_locks+0xc7/0x130 [ 276.705551] ? console_unlock+0xfcd/0x1160 [ 276.709785] ? netconsole_netdev_event+0x280/0x280 [ 276.714719] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 276.719303] ? trace_hardirqs_on+0xbd/0x310 [ 276.723629] ? vprintk_emit+0x33d/0x930 [ 276.727606] ? trace_hardirqs_off_caller+0x310/0x310 [ 276.732712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.738254] ? netconsole_netdev_event+0x280/0x280 [ 276.743199] ? console_unlock+0x8d8/0x1160 [ 276.747460] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 276.752128] ? vprintk_emit+0x7f7/0x930 [ 276.756106] ? lock_release+0xa00/0xa00 [ 276.760088] ? preempt_count_add+0xbc/0x1b0 [ 276.764413] ? wake_up_klogd+0x11a/0x180 [ 276.768476] ? console_device+0xc0/0xc0 [ 276.772474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.778031] ? vprintk_emit+0x268/0x930 [ 276.782013] ? wake_up_klogd+0x180/0x180 [ 276.786082] ? trace_hardirqs_on_caller+0xc0/0x310 [ 276.791061] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.795824] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.801280] ? retint_kernel+0x1b/0x2d [ 276.805177] ? trace_hardirqs_on+0x310/0x310 [ 276.809602] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.814399] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 276.819166] ? show_mem+0x1e/0x17b [ 276.822714] show_mem+0x34/0x17b [ 276.826087] dump_header+0x2f1/0xf72 [ 276.829818] ? mark_held_locks+0x130/0x130 [ 276.834053] ? pagefault_out_of_memory+0x197/0x197 [ 276.838988] ? __lock_acquire+0x62f/0x4c20 [ 276.843226] ? zap_class+0x640/0x640 [ 276.846946] ? percpu_ref_get_many+0x240/0x240 [ 276.851542] ? print_usage_bug+0xc0/0xc0 [ 276.855611] ? print_usage_bug+0xc0/0xc0 [ 276.859694] ? zap_class+0x640/0x640 [ 276.863441] ? print_usage_bug+0xc0/0xc0 [ 276.867498] ? print_usage_bug+0xc0/0xc0 [ 276.871585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.877125] ? find_held_lock+0x36/0x1c0 [ 276.881196] ? mark_held_locks+0xc7/0x130 [ 276.885359] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 276.890466] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 276.895574] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 276.900161] ? trace_hardirqs_on+0xbd/0x310 [ 276.904503] ? kasan_check_read+0x11/0x20 [ 276.908649] ? ___ratelimit+0x3b4/0x672 [ 276.912628] ? trace_hardirqs_off_caller+0x310/0x310 [ 276.917734] ? trace_hardirqs_on+0x310/0x310 [ 276.922175] ? lock_downgrade+0x900/0x900 [ 276.926331] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 276.931471] ? ___ratelimit+0x3b9/0x672 [ 276.935447] ? idr_get_free+0xec0/0xec0 [ 276.939420] ? kasan_check_read+0x11/0x20 [ 276.943592] ? do_raw_spin_unlock+0xa7/0x330 [ 276.948034] oom_kill_process.cold.27+0x10/0x903 [ 276.952798] ? zap_class+0x640/0x640 [ 276.956543] ? _raw_spin_unlock+0x2c/0x50 [ 276.960696] ? oom_badness+0xe6/0xaa0 [ 276.964500] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 276.969434] ? kasan_check_read+0x11/0x20 [ 276.973588] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 276.978867] ? oom_evaluate_task+0x540/0x540 [ 276.983280] ? find_held_lock+0x36/0x1c0 [ 276.987354] ? out_of_memory+0x974/0x1430 [ 276.991506] ? lock_downgrade+0x900/0x900 [ 276.995656] ? check_preemption_disabled+0x48/0x280 [ 277.000676] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 277.005619] ? kasan_check_read+0x11/0x20 [ 277.009774] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.015061] ? rcu_softirq_qs+0x20/0x20 [ 277.019060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.024612] ? oom_evaluate_task+0x302/0x540 [ 277.029045] out_of_memory+0xa84/0x1430 [ 277.033053] ? oom_killer_disable+0x3a0/0x3a0 [ 277.037560] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 277.042512] ? __mutex_add_waiter+0x2a0/0x2a0 [ 277.047052] __alloc_pages_slowpath+0x22d4/0x2d70 [ 277.051931] ? warn_alloc+0x120/0x120 [ 277.055735] ? rcu_softirq_qs+0x20/0x20 [ 277.059758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.065309] ? should_fail+0x22d/0xd01 [ 277.069220] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.074347] ? zap_class+0x640/0x640 [ 277.078094] ? __lock_is_held+0xb5/0x140 [ 277.082166] ? mark_held_locks+0x130/0x130 [ 277.086421] ? lock_release+0xa00/0xa00 [ 277.090399] ? perf_trace_sched_process_exec+0x860/0x860 [ 277.095861] ? __might_sleep+0x95/0x190 [ 277.099843] __alloc_pages_nodemask+0xa80/0xde0 [ 277.104522] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 277.109567] ? __page_cache_alloc+0x191/0x5c0 [ 277.114069] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 277.119003] ? kasan_check_read+0x11/0x20 [ 277.123167] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.128479] ? zap_class+0x640/0x640 [ 277.132212] ? zap_class+0x640/0x640 [ 277.135925] ? zap_class+0x640/0x640 [ 277.139657] ? __do_page_cache_readahead+0x7ce/0x980 [ 277.144764] ? find_held_lock+0x36/0x1c0 [ 277.148835] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 277.154395] alloc_pages_current+0x173/0x350 [ 277.158826] __page_cache_alloc+0x38c/0x5c0 [ 277.163155] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 277.168090] ? kasan_check_read+0x11/0x20 [ 277.172243] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.177527] ? generic_perform_write+0x6a0/0x6a0 [ 277.182295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.187840] ? check_preemption_disabled+0x48/0x280 [ 277.192870] filemap_fault+0x1594/0x25f0 [ 277.196949] ? __lock_page_or_retry+0xa00/0xa00 [ 277.201627] ? mark_held_locks+0x130/0x130 [ 277.205894] ? rcu_softirq_qs+0x20/0x20 [ 277.209896] ? filemap_map_pages+0xe04/0x1990 [ 277.214427] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 277.219370] ? futex_wait_setup+0x15c/0x3e0 [ 277.223705] ? zap_class+0x640/0x640 [ 277.227445] ? lock_acquire+0x1ed/0x520 [ 277.231426] ? alloc_set_pte+0x1447/0x1f40 [ 277.235679] ? lock_acquire+0x1ed/0x520 [ 277.239651] ? ext4_filemap_fault+0x7a/0xad [ 277.243998] ? lock_release+0xa00/0xa00 [ 277.247984] ? perf_trace_sched_process_exec+0x860/0x860 [ 277.253473] ? print_usage_bug+0xc0/0xc0 [ 277.257537] ? print_usage_bug+0xc0/0xc0 [ 277.261634] ? down_read+0x8d/0x120 [ 277.265436] ? ext4_filemap_fault+0x7a/0xad [ 277.269763] ? __down_interruptible+0x700/0x700 [ 277.274450] ext4_filemap_fault+0x82/0xad [ 277.278619] __do_fault+0x100/0x6b0 [ 277.282250] ? unlock_page+0x2c2/0x4c0 [ 277.286162] ? pmd_devmap_trans_unstable+0x220/0x220 [ 277.291272] ? mark_held_locks+0x130/0x130 [ 277.295515] ? mark_held_locks+0x130/0x130 [ 277.299771] ? do_raw_spin_trylock+0x270/0x270 [ 277.304367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.309945] __handle_mm_fault+0x307c/0x5920 [ 277.314371] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 277.319222] ? kasan_check_read+0x11/0x20 [ 277.323375] ? _copy_to_user+0xc8/0x110 [ 277.327367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.332923] ? zap_class+0x640/0x640 [ 277.336651] ? zap_class+0x640/0x640 [ 277.340375] ? find_held_lock+0x36/0x1c0 [ 277.344448] ? handle_mm_fault+0x42a/0xc70 [ 277.348687] ? lock_downgrade+0x900/0x900 [ 277.352846] ? check_preemption_disabled+0x48/0x280 [ 277.357895] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 277.362860] ? kasan_check_read+0x11/0x20 [ 277.367032] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.372320] ? rcu_softirq_qs+0x20/0x20 [ 277.376297] ? trace_hardirqs_off_caller+0x310/0x310 [ 277.381409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.386949] ? check_preemption_disabled+0x48/0x280 [ 277.391990] handle_mm_fault+0x54f/0xc70 [ 277.396074] ? __handle_mm_fault+0x5920/0x5920 [ 277.400681] ? find_vma+0x34/0x190 [ 277.404231] __do_page_fault+0x5e8/0xe60 [ 277.408299] ? trace_hardirqs_off+0xb8/0x310 [ 277.412723] ? __ia32_sys_read+0xb0/0xb0 [ 277.416830] do_page_fault+0xf2/0x7e0 [ 277.420648] ? vmalloc_sync_all+0x30/0x30 [ 277.424815] ? error_entry+0x70/0xd0 [ 277.428573] ? trace_hardirqs_off_caller+0xbb/0x310 [ 277.433601] ? trace_hardirqs_on_caller+0xc0/0x310 [ 277.438564] ? syscall_return_slowpath+0x5e0/0x5e0 [ 277.443502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.448352] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.453370] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.459070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.464634] ? prepare_exit_to_usermode+0x291/0x3b0 [ 277.469664] ? page_fault+0x8/0x30 [ 277.473221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.478087] ? page_fault+0x8/0x30 [ 277.481636] page_fault+0x1e/0x30 [ 277.485141] RIP: 0033:0x4727a0 [ 277.488350] Code: Bad RIP value. [ 277.491711] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 277.497076] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 277.504359] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 277.511632] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 277.518916] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 277.526187] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 277.533484] warn_alloc_show_mem: 1 callbacks suppressed [ 277.533497] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 277.533499] Mem-Info: [ 277.533538] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 277.533538] active_file:12 inactive_file:13 isolated_file:0 [ 277.533538] unevictable:0 dirty:0 writeback:0 unstable:0 [ 277.533538] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 277.533538] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 277.533538] free:13771 free_pcp:124 free_cma:0 [ 277.538879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.538890] Call Trace: [ 277.545860] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 277.548269] [ 277.581700] Node 0 [ 277.591087] dump_stack+0x244/0x39d [ 277.593669] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 277.621086] ? dump_stack_print_info.cold.1+0x20/0x20 [ 277.623214] lowmem_reserve[]: [ 277.625456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.629077] 0 [ 277.654624] warn_alloc.cold.117+0xb7/0x1bd [ 277.659795] 2818 [ 277.662938] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 277.668464] 6321 6321 [ 277.670291] ? lock_downgrade+0x900/0x900 [ 277.674588] Node 0 [ 277.676668] ? trace_hardirqs_off+0xb8/0x310 [ 277.681511] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 277.683987] ? trace_hardirqs_off+0xb8/0x310 [ 277.688102] lowmem_reserve[]: 0 [ 277.690358] __alloc_pages_slowpath+0x2660/0x2d70 [ 277.694775] 0 3503 [ 277.721823] ? warn_alloc+0x120/0x120 [ 277.726195] 3503 [ 277.729475] ? warn_alloc+0x120/0x120 [ 277.734305] Node 0 [ 277.736561] ? print_usage_bug+0xc0/0xc0 [ 277.740386] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 277.742423] ? warn_alloc+0x120/0x120 [ 277.746208] lowmem_reserve[]: [ 277.748442] ? print_usage_bug+0xc0/0xc0 [ 277.752486] 0 [ 277.780596] ? __lock_acquire+0x62f/0x4c20 [ 277.784370] 0 0 [ 277.787482] ? __lock_acquire+0x62f/0x4c20 [ 277.791520] 0 [ 277.793332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.799520] ? should_fail+0x22d/0xd01 [ 277.803736] Node 0 [ 277.805545] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 277.811071] DMA: [ 277.814954] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.817196] 1*4kB [ 277.822470] ? __lock_acquire+0x62f/0x4c20 [ 277.824514] (U) [ 277.829613] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.831744] 0*8kB [ 277.835971] ? __lock_acquire+0x62f/0x4c20 [ 277.837926] 0*16kB [ 277.843029] ? should_fail+0x22d/0xd01 [ 277.845159] 1*32kB [ 277.849394] ? rcu_irq_exit+0x1a2/0x390 [ 277.851612] (U) [ 277.855510] ? mark_held_locks+0x130/0x130 [ 277.857729] 2*64kB [ 277.861703] ? mark_held_locks+0x130/0x130 [ 277.863660] (U) [ 277.867893] ? mark_held_locks+0xc7/0x130 [ 277.870110] 1*128kB [ 277.874340] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 277.876309] (U) [ 277.880454] ? zap_class+0x640/0x640 [ 277.882795] 1*256kB [ 277.887818] ? print_usage_bug+0xc0/0xc0 [ 277.889772] (U) [ 277.893480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.895781] 0*512kB [ 277.899839] ? check_preemption_disabled+0x48/0x280 [ 277.901792] 1*1024kB [ 277.907344] ? __lock_is_held+0xb5/0x140 [ 277.909645] (U) [ 277.914660] __alloc_pages_nodemask+0xa80/0xde0 [ 277.917063] 1*2048kB [ 277.921127] ? zap_class+0x640/0x640 [ 277.923085] (M) [ 277.927748] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 277.930142] 3*4096kB [ 277.933856] ? find_held_lock+0x36/0x1c0 [ 277.935798] (M) = 15908kB [ 277.940824] ? ____cache_alloc_node+0x1c7/0x1e0 [ 277.943208] Node 0 [ 277.947292] ? lock_downgrade+0x900/0x900 [ 277.950037] DMA32: [ 277.954711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.956920] 4*4kB [ 277.961069] cache_grow_begin+0xa5/0x8c0 [ 277.963282] (M) [ 277.969086] ? do_raw_spin_unlock+0xa7/0x330 [ 277.971239] 0*8kB [ 277.975297] fallback_alloc+0x204/0x2e0 [ 277.977264] 2*16kB [ 277.981671] ____cache_alloc_node+0x1c7/0x1e0 [ 277.983798] (M) [ 277.987768] kmem_cache_alloc_node+0xe3/0x730 [ 277.989982] 2*32kB [ 277.994474] ? ipv6_get_ifaddr+0x42e/0x620 [ 277.996424] (UM) [ 278.000933] __alloc_skb+0x119/0x770 [ 278.003145] 4*64kB [ 278.007681] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.009718] (UM) [ 278.013428] ? netdev_alloc_frag+0x1f0/0x1f0 [ 278.015656] 4*128kB [ 278.020927] ? lock_downgrade+0x900/0x900 [ 278.022968] (M) [ 278.027379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.029680] 3*256kB [ 278.033827] ? refcount_sub_and_test_checked+0x203/0x310 [ 278.035781] (M) [ 278.041319] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 278.043616] 4*512kB (UM) [ 278.049075] ? addrconf_rs_timer+0x690/0x690 [ 278.051036] 3*1024kB [ 278.056489] ndisc_alloc_skb+0x144/0x340 [ 278.059222] (UM) 3*2048kB [ 278.063645] ndisc_send_rs+0x331/0x6e0 [ 278.066035] (UM) 3*4096kB [ 278.070114] addrconf_rs_timer+0x314/0x690 [ 278.072944] (M) [ 278.076828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.079650] = 25200kB [ 278.083886] call_timer_fn+0x272/0x920 [ 278.085855] Node 0 [ 278.090082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.092468] Normal: [ 278.096352] ? process_timeout+0x40/0x40 [ 278.098573] 786*4kB [ 278.102806] ? __run_timers+0x7da/0xc70 [ 278.105116] (MEH) [ 278.109189] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.111498] 440*8kB (UMEH) [ 278.115480] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.117613] 141*16kB [ 278.122101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.125010] (MEH) [ 278.129507] ? lockdep_hardirqs_on+0x296/0x5b0 [ 278.131903] 54*32kB [ 278.136144] ? trace_hardirqs_on+0xbd/0x310 [ 278.138271] (MEH) [ 278.142849] ? kasan_check_read+0x11/0x20 [ 278.145164] 14*64kB [ 278.149480] ? __run_timers+0x7da/0xc70 [ 278.151606] (UME) [ 278.155748] ? trace_hardirqs_off_caller+0x310/0x310 [ 278.158047] 1*128kB (H) 1*256kB [ 278.162050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.164180] (H) [ 278.169284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.172647] 2*512kB [ 278.176892] __run_timers+0x7e5/0xc70 [ 278.178841] (H) 1*1024kB [ 278.183134] ? timer_fixup_init+0x70/0x70 [ 278.185433] (U) [ 278.189244] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.191980] 0*2048kB [ 278.196122] ? zap_class+0x640/0x640 [ 278.198080] 0*4096kB [ 278.203111] ? enqueue_hrtimer+0x1a5/0x560 [ 278.205510] = 13976kB [ 278.209217] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 278.211630] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 278.215873] ? find_held_lock+0x36/0x1c0 [ 278.218268] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 278.223444] ? zap_class+0x640/0x640 [ 278.232257] 163 total pagecache pages [ 278.236315] ? pvclock_read_flags+0x160/0x160 [ 278.244870] 0 pages in swap cache [ 278.248571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.252375] Swap cache stats: add 0, delete 0, find 0/0 [ 278.256861] ? check_preemption_disabled+0x48/0x280 [ 278.260292] Free swap = 0kB [ 278.265824] ? __lock_is_held+0xb5/0x140 [ 278.271165] Total swap = 0kB [ 278.276178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.279179] 1965979 pages RAM [ 278.283234] ? check_preemption_disabled+0x48/0x280 [ 278.286242] 0 pages HighMem/MovableOnly [ 278.286252] 342867 pages reserved [ 278.291789] run_timer_softirq+0x52/0xb0 [ 278.294888] 0 pages cma reserved [ 278.299903] ? rcu_read_lock_sched_held+0x14f/0x180 [ 278.303927] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.307306] __do_softirq+0x308/0xb7e [ 278.307325] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 278.307341] ? lock_downgrade+0x900/0x900 [ 278.311460] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.314769] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 278.319769] syz-fuzzer cpuset= [ 278.326301] ? pvclock_read_flags+0x160/0x160 [ 278.330071] / [ 278.334598] ? lapic_next_event+0x5a/0x90 [ 278.338730] mems_allowed=0 [ 278.348956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.376011] ? kvm_clock_read+0x18/0x30 [ 278.380004] ? kvm_sched_clock_read+0x9/0x20 [ 278.384439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.389986] ? check_preemption_disabled+0x48/0x280 [ 278.395042] irq_exit+0x17f/0x1c0 [ 278.398515] smp_apic_timer_interrupt+0x1cb/0x760 [ 278.403366] ? smp_reschedule_interrupt+0x109/0x650 [ 278.408398] ? smp_call_function_single_interrupt+0x650/0x650 [ 278.414300] ? interrupt_entry+0xb5/0xc0 [ 278.418370] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.423388] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.428411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.433262] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.438278] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.443310] ? task_prio+0x50/0x50 [ 278.446864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.452411] ? check_preemption_disabled+0x48/0x280 [ 278.457439] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.462296] apic_timer_interrupt+0xf/0x20 [ 278.466531] [ 278.468798] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 278.474685] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 278.493582] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 278.501300] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 278.508568] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 278.515835] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 278.523127] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 278.530397] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 278.537706] ? save_stack+0xa9/0xd0 [ 278.541352] __kmalloc_node_track_caller+0x33/0x70 [ 278.546289] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 278.551068] pskb_expand_head+0x230/0x10f0 [ 278.555315] ? memcpy+0x45/0x50 [ 278.558621] ? __copy_skb_header+0x350/0x6b0 [ 278.563051] ? skb_release_data+0x880/0x880 [ 278.567380] ? __alloc_skb+0x770/0x770 [ 278.571285] ? __lock_is_held+0xb5/0x140 [ 278.575362] ? kasan_check_write+0x14/0x20 [ 278.579600] ? __skb_clone+0x6c7/0xa00 [ 278.583492] ? __copy_skb_header+0x6b0/0x6b0 [ 278.587908] ? kmem_cache_alloc+0x33a/0x730 [ 278.592237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.597812] skb_ensure_writable+0x3dd/0x640 [ 278.602230] ? skb_checksum_setup+0xaa0/0xaa0 [ 278.606728] ? check_preemption_disabled+0x48/0x280 [ 278.611769] ? __this_cpu_preempt_check+0x1c/0x20 [ 278.616620] ? __bpf_redirect+0x54b/0xb20 [ 278.620830] bpf_clone_redirect+0x14a/0x490 [ 278.625190] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 278.630214] ? __sched_text_start+0x8/0x8 [ 278.634374] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 278.639141] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 278.643726] ? retint_kernel+0x2d/0x2d [ 278.647625] ? find_held_lock+0x36/0x1c0 [ 278.651706] ? lock_acquire+0x1ed/0x520 [ 278.655685] ? bpf_test_run+0x3cb/0x780 [ 278.659662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.665486] ? check_preemption_disabled+0x48/0x280 [ 278.670512] ? kasan_check_read+0x11/0x20 [ 278.674691] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 278.679970] ? rcu_softirq_qs+0x20/0x20 [ 278.683946] ? preempt_schedule+0x4d/0x60 [ 278.688098] ? ___preempt_schedule+0x16/0x18 [ 278.692519] ? bpf_test_run+0x25d/0x780 [ 278.696516] ? netlink_diag_dump+0x2a0/0x2a0 [ 278.700929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.706630] ? bpf_test_init.isra.10+0x70/0x100 [ 278.711311] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 278.716083] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 278.720927] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 278.726478] ? fput+0x130/0x1a0 [ 278.729776] ? __bpf_prog_get+0x9b/0x290 [ 278.733859] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 278.738750] ? bpf_prog_test_run+0x130/0x1a0 [ 278.743174] ? __x64_sys_bpf+0x3d8/0x520 [ 278.747244] ? bpf_prog_get+0x20/0x20 [ 278.751099] ? do_syscall_64+0x1b9/0x820 [ 278.755165] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 278.760532] ? syscall_return_slowpath+0x5e0/0x5e0 [ 278.765472] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.770502] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 278.775524] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 278.782205] ? __switch_to_asm+0x40/0x70 [ 278.786278] ? __switch_to_asm+0x34/0x70 [ 278.790347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.795201] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 278.800588] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 278.800702] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.807266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.807271] Call Trace: [ 278.807279] [ 278.807298] dump_stack+0x244/0x39d [ 278.807317] ? dump_stack_print_info.cold.1+0x20/0x20 [ 278.813898] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.823198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.825761] syz-executor5 cpuset= [ 278.827915] warn_alloc.cold.117+0xb7/0x1bd [ 278.831513] syz5 [ 278.836739] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.847217] mems_allowed=0 [ 278.870273] ? lock_downgrade+0x900/0x900 [ 278.874446] ? trace_hardirqs_off+0xb8/0x310 [ 278.878900] ? trace_hardirqs_off+0xb8/0x310 [ 278.883344] __alloc_pages_slowpath+0x2660/0x2d70 [ 278.888223] ? warn_alloc+0x120/0x120 [ 278.892042] ? warn_alloc+0x120/0x120 [ 278.895850] ? print_usage_bug+0xc0/0xc0 [ 278.899916] ? warn_alloc+0x120/0x120 [ 278.903719] ? print_usage_bug+0xc0/0xc0 [ 278.907797] ? __lock_acquire+0x62f/0x4c20 [ 278.912059] ? __lock_acquire+0x62f/0x4c20 [ 278.916312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.921862] ? should_fail+0x22d/0xd01 [ 278.925769] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.930898] ? __lock_acquire+0x62f/0x4c20 [ 278.935146] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.940256] ? __lock_acquire+0x62f/0x4c20 [ 278.944510] ? should_fail+0x22d/0xd01 [ 278.948401] ? find_held_lock+0x36/0x1c0 [ 278.952479] ? mark_held_locks+0x130/0x130 [ 278.956726] ? mark_held_locks+0x130/0x130 [ 278.960980] ? zap_class+0x640/0x640 [ 278.964702] ? zap_class+0x640/0x640 [ 278.968430] ? print_usage_bug+0xc0/0xc0 [ 278.972514] ? do_raw_spin_unlock+0xa7/0x330 [ 278.976980] ? zap_class+0x640/0x640 [ 278.980712] ? print_usage_bug+0xc0/0xc0 [ 278.984786] ? wq_watchdog_touch+0x9c/0xfe [ 278.989054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.994611] ? check_preemption_disabled+0x48/0x280 [ 278.999645] ? __lock_is_held+0xb5/0x140 [ 279.003729] __alloc_pages_nodemask+0xa80/0xde0 [ 279.008421] ? zap_class+0x640/0x640 [ 279.012150] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 279.017190] ? find_held_lock+0x36/0x1c0 [ 279.021268] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.025943] ? lock_downgrade+0x900/0x900 [ 279.030148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.035705] cache_grow_begin+0xa5/0x8c0 [ 279.039780] ? do_raw_spin_unlock+0xa7/0x330 [ 279.044212] fallback_alloc+0x204/0x2e0 [ 279.048197] ____cache_alloc_node+0x1c7/0x1e0 [ 279.052717] kmem_cache_alloc_node+0xe3/0x730 [ 279.057231] ? ipv6_get_ifaddr+0x42e/0x620 [ 279.061479] __alloc_skb+0x119/0x770 [ 279.065201] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 279.070484] ? netdev_alloc_frag+0x1f0/0x1f0 [ 279.074898] ? lock_downgrade+0x900/0x900 [ 279.079075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.084624] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.090103] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.095567] ? addrconf_rs_timer+0x690/0x690 [ 279.100004] ndisc_alloc_skb+0x144/0x340 [ 279.104094] ndisc_send_rs+0x331/0x6e0 [ 279.107990] addrconf_rs_timer+0x314/0x690 [ 279.112243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.116513] call_timer_fn+0x272/0x920 [ 279.120421] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.124659] ? process_timeout+0x40/0x40 [ 279.128734] ? mark_held_locks+0xc7/0x130 [ 279.132894] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.137390] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.141886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.146123] ? lockdep_hardirqs_on+0x296/0x5b0 [ 279.150716] ? trace_hardirqs_on+0xbd/0x310 [ 279.155076] ? kasan_check_read+0x11/0x20 [ 279.159253] ? __run_timers+0x7da/0xc70 [ 279.163237] ? trace_hardirqs_off_caller+0x310/0x310 [ 279.168348] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.172591] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.176828] __run_timers+0x7e5/0xc70 [ 279.180648] ? timer_fixup_init+0x70/0x70 [ 279.184803] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 279.189848] ? zap_class+0x640/0x640 [ 279.193583] ? print_usage_bug+0xc0/0xc0 [ 279.197650] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 279.202851] ? find_held_lock+0x36/0x1c0 [ 279.206920] ? zap_class+0x640/0x640 [ 279.210649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.216191] ? check_preemption_disabled+0x48/0x280 [ 279.221230] ? __lock_is_held+0xb5/0x140 [ 279.225294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.230833] ? check_preemption_disabled+0x48/0x280 [ 279.235856] run_timer_softirq+0x52/0xb0 [ 279.239920] ? rcu_read_lock_sched_held+0x14f/0x180 [ 279.244949] __do_softirq+0x308/0xb7e [ 279.248758] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 279.253257] ? lock_downgrade+0x900/0x900 [ 279.257424] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 279.262555] ? pvclock_read_flags+0x160/0x160 [ 279.267060] ? lapic_next_event+0x5a/0x90 [ 279.271214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.276771] ? kvm_clock_read+0x18/0x30 [ 279.280750] ? kvm_sched_clock_read+0x9/0x20 [ 279.285178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.290721] ? check_preemption_disabled+0x48/0x280 [ 279.295753] irq_exit+0x17f/0x1c0 [ 279.299231] smp_apic_timer_interrupt+0x1cb/0x760 [ 279.304072] ? smp_reschedule_interrupt+0x109/0x650 [ 279.309091] ? smp_call_function_single_interrupt+0x650/0x650 [ 279.314981] ? interrupt_entry+0xb5/0xc0 [ 279.319060] ? trace_hardirqs_off_caller+0xbb/0x310 [ 279.324084] ? trace_hardirqs_off_caller+0xbb/0x310 [ 279.329107] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.333951] ? trace_hardirqs_on_caller+0x310/0x310 [ 279.338993] ? trace_hardirqs_on_caller+0x310/0x310 [ 279.344031] ? task_prio+0x50/0x50 [ 279.347599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.353156] ? check_preemption_disabled+0x48/0x280 [ 279.358202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.363085] apic_timer_interrupt+0xf/0x20 [ 279.367320] [ 279.369572] RIP: 0010:console_unlock+0xffa/0x1160 [ 279.374420] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 279.393352] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 279.401071] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 279.408340] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 279.415629] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 279.422897] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 279.430167] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 279.437455] ? netconsole_netdev_event+0x280/0x280 [ 279.442408] ? console_unlock+0xff1/0x1160 [ 279.446666] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 279.451342] ? lock_release+0xa00/0xa00 [ 279.455568] ? interrupt_entry+0xc0/0xc0 [ 279.459656] vprintk_emit+0x33d/0x930 [ 279.463469] ? wake_up_klogd+0x180/0x180 [ 279.467535] ? attach_entity_load_avg+0x810/0x860 [ 279.472386] ? __lock_acquire+0x600/0x4c20 [ 279.476628] ? mark_held_locks+0x130/0x130 [ 279.480878] ? print_usage_bug+0xc0/0xc0 [ 279.484952] ? find_held_lock+0x36/0x1c0 [ 279.489058] ? mark_held_locks+0xc7/0x130 [ 279.493216] vprintk_default+0x28/0x30 [ 279.497110] vprintk_func+0x7e/0x181 [ 279.500832] printk+0xa7/0xcf [ 279.503935] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 279.508711] show_free_areas.cold.118+0x1f34/0x215d [ 279.513758] ? si_meminfo_node+0x260/0x260 [ 279.518002] ? __lock_acquire+0x62f/0x4c20 [ 279.522263] ? __lock_acquire+0x62f/0x4c20 [ 279.526508] ? __lock_is_held+0xb5/0x140 [ 279.530591] ? mark_held_locks+0x130/0x130 [ 279.534832] ? zap_class+0x640/0x640 [ 279.538555] ? put_dec+0x3b/0xf0 [ 279.541927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.547473] ? find_held_lock+0x36/0x1c0 [ 279.551553] ? serial8250_console_write+0x8b3/0xb10 [ 279.556578] ? lock_downgrade+0x900/0x900 [ 279.560727] ? zap_class+0x640/0x640 [ 279.564913] ? zap_class+0x640/0x640 [ 279.568639] ? print_usage_bug+0xc0/0xc0 [ 279.572699] ? do_raw_spin_unlock+0xa7/0x330 [ 279.577110] ? trace_hardirqs_on+0x310/0x310 [ 279.581534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.587095] ? find_held_lock+0x36/0x1c0 [ 279.591175] ? mark_held_locks+0xc7/0x130 [ 279.595332] ? console_unlock+0xfcd/0x1160 [ 279.599571] ? netconsole_netdev_event+0x280/0x280 [ 279.604502] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 279.609088] ? trace_hardirqs_on+0xbd/0x310 [ 279.613439] ? vprintk_emit+0x33d/0x930 [ 279.617426] ? trace_hardirqs_off_caller+0x310/0x310 [ 279.622534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.628095] ? netconsole_netdev_event+0x280/0x280 [ 279.633037] ? console_unlock+0x8d8/0x1160 [ 279.637288] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 279.641958] ? vprintk_emit+0x7f7/0x930 [ 279.645942] ? lock_release+0xa00/0xa00 [ 279.649923] ? preempt_count_add+0xbc/0x1b0 [ 279.654251] ? wake_up_klogd+0x11a/0x180 [ 279.658329] ? console_device+0xc0/0xc0 [ 279.662306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.667856] ? vprintk_emit+0x268/0x930 [ 279.671833] ? wake_up_klogd+0x180/0x180 [ 279.675898] ? trace_hardirqs_on_caller+0xc0/0x310 [ 279.680856] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 279.685612] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.691073] ? retint_kernel+0x1b/0x2d [ 279.694961] ? trace_hardirqs_on+0x310/0x310 [ 279.699385] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 279.704183] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 279.708948] ? show_mem+0x1e/0x17b [ 279.712509] show_mem+0x34/0x17b [ 279.715885] dump_header+0x2f1/0xf72 [ 279.719609] ? mark_held_locks+0x130/0x130 [ 279.723847] ? pagefault_out_of_memory+0x197/0x197 [ 279.728783] ? __lock_acquire+0x62f/0x4c20 [ 279.733015] ? zap_class+0x640/0x640 [ 279.736743] ? percpu_ref_get_many+0x240/0x240 [ 279.741346] ? print_usage_bug+0xc0/0xc0 [ 279.745412] ? print_usage_bug+0xc0/0xc0 [ 279.749480] ? zap_class+0x640/0x640 [ 279.753198] ? print_usage_bug+0xc0/0xc0 [ 279.757261] ? print_usage_bug+0xc0/0xc0 [ 279.761344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.766905] ? find_held_lock+0x36/0x1c0 [ 279.770981] ? mark_held_locks+0xc7/0x130 [ 279.775135] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 279.780242] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 279.785347] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 279.789933] ? trace_hardirqs_on+0xbd/0x310 [ 279.794275] ? kasan_check_read+0x11/0x20 [ 279.798435] ? ___ratelimit+0x3b4/0x672 [ 279.802412] ? trace_hardirqs_off_caller+0x310/0x310 [ 279.807520] ? trace_hardirqs_on+0x310/0x310 [ 279.811935] ? lock_downgrade+0x900/0x900 [ 279.816089] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 279.821208] ? ___ratelimit+0x3b9/0x672 [ 279.825187] ? idr_get_free+0xec0/0xec0 [ 279.829160] ? kasan_check_read+0x11/0x20 [ 279.833309] ? do_raw_spin_unlock+0xa7/0x330 [ 279.837727] oom_kill_process.cold.27+0x10/0x903 [ 279.842487] ? zap_class+0x640/0x640 [ 279.846223] ? _raw_spin_unlock+0x2c/0x50 [ 279.850378] ? oom_badness+0xe6/0xaa0 [ 279.854188] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 279.859121] ? kasan_check_read+0x11/0x20 [ 279.863271] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 279.868586] ? oom_evaluate_task+0x540/0x540 [ 279.873000] ? find_held_lock+0x36/0x1c0 [ 279.877080] ? out_of_memory+0x974/0x1430 [ 279.881230] ? lock_downgrade+0x900/0x900 [ 279.885379] ? check_preemption_disabled+0x48/0x280 [ 279.890399] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 279.895328] ? kasan_check_read+0x11/0x20 [ 279.899476] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 279.904768] ? rcu_softirq_qs+0x20/0x20 [ 279.908753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.914323] ? oom_evaluate_task+0x302/0x540 [ 279.918737] out_of_memory+0xa84/0x1430 [ 279.922732] ? oom_killer_disable+0x3a0/0x3a0 [ 279.927230] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 279.932161] ? __mutex_add_waiter+0x2a0/0x2a0 [ 279.936669] __alloc_pages_slowpath+0x22d4/0x2d70 [ 279.941543] ? warn_alloc+0x120/0x120 [ 279.945349] ? rcu_softirq_qs+0x20/0x20 [ 279.949360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.954890] ? should_fail+0x22d/0xd01 [ 279.958778] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.963899] ? zap_class+0x640/0x640 [ 279.967636] ? __lock_is_held+0xb5/0x140 [ 279.971707] ? mark_held_locks+0x130/0x130 [ 279.975975] ? lock_release+0xa00/0xa00 [ 279.979971] ? perf_trace_sched_process_exec+0x860/0x860 [ 279.985444] ? __might_sleep+0x95/0x190 [ 279.989426] __alloc_pages_nodemask+0xa80/0xde0 [ 279.994105] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 279.999136] ? __page_cache_alloc+0x191/0x5c0 [ 280.003634] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 280.008568] ? kasan_check_read+0x11/0x20 [ 280.012730] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.018009] ? zap_class+0x640/0x640 [ 280.021741] ? zap_class+0x640/0x640 [ 280.025457] ? zap_class+0x640/0x640 [ 280.029171] ? __do_page_cache_readahead+0x7ce/0x980 [ 280.034279] ? find_held_lock+0x36/0x1c0 [ 280.038346] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 280.043889] alloc_pages_current+0x173/0x350 [ 280.048303] __page_cache_alloc+0x38c/0x5c0 [ 280.052631] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 280.057575] ? kasan_check_read+0x11/0x20 [ 280.061727] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.067009] ? generic_perform_write+0x6a0/0x6a0 [ 280.071798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.077339] ? check_preemption_disabled+0x48/0x280 [ 280.082364] filemap_fault+0x1594/0x25f0 [ 280.086440] ? __lock_page_or_retry+0xa00/0xa00 [ 280.091115] ? mark_held_locks+0x130/0x130 [ 280.095357] ? rcu_softirq_qs+0x20/0x20 [ 280.099346] ? filemap_map_pages+0xe04/0x1990 [ 280.103860] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 280.108798] ? futex_wait_setup+0x15c/0x3e0 [ 280.113135] ? zap_class+0x640/0x640 [ 280.116857] ? lock_acquire+0x1ed/0x520 [ 280.120848] ? alloc_set_pte+0x1447/0x1f40 [ 280.125099] ? lock_acquire+0x1ed/0x520 [ 280.129071] ? ext4_filemap_fault+0x7a/0xad [ 280.133396] ? lock_release+0xa00/0xa00 [ 280.137369] ? perf_trace_sched_process_exec+0x860/0x860 [ 280.142828] ? print_usage_bug+0xc0/0xc0 [ 280.146888] ? print_usage_bug+0xc0/0xc0 [ 280.150959] ? down_read+0x8d/0x120 [ 280.154581] ? ext4_filemap_fault+0x7a/0xad [ 280.158900] ? __down_interruptible+0x700/0x700 [ 280.163579] ext4_filemap_fault+0x82/0xad [ 280.167728] __do_fault+0x100/0x6b0 [ 280.171359] ? unlock_page+0x2c2/0x4c0 [ 280.175250] ? pmd_devmap_trans_unstable+0x220/0x220 [ 280.180370] ? mark_held_locks+0x130/0x130 [ 280.184609] ? mark_held_locks+0x130/0x130 [ 280.188849] ? do_raw_spin_trylock+0x270/0x270 [ 280.193442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.198994] __handle_mm_fault+0x307c/0x5920 [ 280.203427] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 280.208285] ? kasan_check_read+0x11/0x20 [ 280.212452] ? _copy_to_user+0xc8/0x110 [ 280.216432] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.221993] ? zap_class+0x640/0x640 [ 280.225717] ? zap_class+0x640/0x640 [ 280.229437] ? find_held_lock+0x36/0x1c0 [ 280.233522] ? handle_mm_fault+0x42a/0xc70 [ 280.237765] ? lock_downgrade+0x900/0x900 [ 280.241915] ? check_preemption_disabled+0x48/0x280 [ 280.246946] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 280.251899] ? kasan_check_read+0x11/0x20 [ 280.256065] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.261350] ? rcu_softirq_qs+0x20/0x20 [ 280.265339] ? trace_hardirqs_off_caller+0x310/0x310 [ 280.270444] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.275981] ? check_preemption_disabled+0x48/0x280 [ 280.281047] handle_mm_fault+0x54f/0xc70 [ 280.285122] ? __handle_mm_fault+0x5920/0x5920 [ 280.289713] ? find_vma+0x34/0x190 [ 280.293263] __do_page_fault+0x5e8/0xe60 [ 280.297329] ? trace_hardirqs_off+0xb8/0x310 [ 280.301736] ? __ia32_sys_read+0xb0/0xb0 [ 280.305807] do_page_fault+0xf2/0x7e0 [ 280.309632] ? vmalloc_sync_all+0x30/0x30 [ 280.313784] ? error_entry+0x70/0xd0 [ 280.317503] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.322529] ? trace_hardirqs_on_caller+0xc0/0x310 [ 280.327499] ? syscall_return_slowpath+0x5e0/0x5e0 [ 280.332429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.337284] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.342300] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.347756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.353294] ? prepare_exit_to_usermode+0x291/0x3b0 [ 280.358309] ? page_fault+0x8/0x30 [ 280.361856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.366710] ? page_fault+0x8/0x30 [ 280.370270] page_fault+0x1e/0x30 [ 280.373727] RIP: 0033:0x4727a0 [ 280.376933] Code: Bad RIP value. [ 280.380304] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 280.385670] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 280.393030] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 280.400297] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 280.407564] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 280.414832] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 280.422144] warn_alloc_show_mem: 1 callbacks suppressed [ 280.422156] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 280.422158] Mem-Info: [ 280.422189] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 280.422189] active_file:12 inactive_file:13 isolated_file:0 [ 280.422189] unevictable:0 dirty:0 writeback:0 unstable:0 [ 280.422189] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 280.422189] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 280.422189] free:13771 free_pcp:124 free_cma:0 [ 280.427547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.434484] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 280.436885] Call Trace: [ 280.469751] Node 0 [ 280.479095] [ 280.506543] 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 [ 280.509108] dump_stack+0x244/0x39d [ 280.511318] lowmem_reserve[]: [ 280.513465] ? dump_stack_print_info.cold.1+0x20/0x20 [ 280.538943] 0 [ 280.542573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.545658] 2818 [ 280.550862] warn_alloc.cold.117+0xb7/0x1bd [ 280.552637] 6321 [ 280.558173] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 280.560214] 6321 [ 280.564552] ? lock_downgrade+0x900/0x900 [ 280.566611] Node 0 [ 280.571459] ? trace_hardirqs_off+0xb8/0x310 [ 280.573532] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 280.577651] ? trace_hardirqs_off+0xb8/0x310 [ 280.579859] lowmem_reserve[]: 0 [ 280.584282] __alloc_pages_slowpath+0x2660/0x2d70 [ 280.611239] 0 [ 280.615671] ? warn_alloc+0x120/0x120 [ 280.618911] 3503 [ 280.623749] ? warn_alloc+0x120/0x120 [ 280.625541] 3503 [ 280.629342] ? print_usage_bug+0xc0/0xc0 [ 280.631383] Node 0 [ 280.635183] ? warn_alloc+0x120/0x120 [ 280.637266] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 280.641298] ? print_usage_bug+0xc0/0xc0 [ 280.643527] lowmem_reserve[]: [ 280.647336] ? __lock_acquire+0x62f/0x4c20 [ 280.675426] 0 [ 280.679486] ? __lock_acquire+0x62f/0x4c20 [ 280.682569] 0 0 [ 280.686812] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.688591] 0 [ 280.692819] ? should_fail+0x22d/0xd01 [ 280.700310] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.702096] Node 0 [ 280.705981] ? __lock_acquire+0x62f/0x4c20 [ 280.711063] DMA: [ 280.713308] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.717554] 1*4kB [ 280.719616] ? __lock_acquire+0x62f/0x4c20 [ 280.724699] (U) [ 280.726848] ? should_fail+0x22d/0xd01 [ 280.731074] 0*8kB 0*16kB [ 280.733064] ? find_held_lock+0x36/0x1c0 [ 280.736929] 1*32kB [ 280.739687] ? mark_held_locks+0x130/0x130 [ 280.743724] (U) [ 280.745960] ? mark_held_locks+0x130/0x130 [ 280.750172] 2*64kB [ 280.752155] ? zap_class+0x640/0x640 [ 280.756382] (U) [ 280.758617] ? zap_class+0x640/0x640 [ 280.762318] 1*128kB [ 280.764291] ? print_usage_bug+0xc0/0xc0 [ 280.767985] (U) [ 280.770305] ? do_raw_spin_unlock+0xa7/0x330 [ 280.774345] 1*256kB [ 280.776327] ? zap_class+0x640/0x640 [ 280.780716] (U) [ 280.783053] ? print_usage_bug+0xc0/0xc0 [ 280.786737] 0*512kB 1*1024kB [ 280.788726] ? wq_watchdog_touch+0x9c/0xfe [ 280.792762] (U) [ 280.795867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.800111] 1*2048kB (M) [ 280.802114] ? check_preemption_disabled+0x48/0x280 [ 280.807627] 3*4096kB [ 280.810388] ? __lock_is_held+0xb5/0x140 [ 280.815379] (M) [ 280.817789] __alloc_pages_nodemask+0xa80/0xde0 [ 280.821846] = 15908kB [ 280.823815] ? zap_class+0x640/0x640 [ 280.828464] Node 0 [ 280.830881] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 280.834570] DMA32: [ 280.836810] ? find_held_lock+0x36/0x1c0 [ 280.841798] 4*4kB [ 280.844042] ? ____cache_alloc_node+0x1c7/0x1e0 [ 280.848076] (M) [ 280.850223] ? lock_downgrade+0x900/0x900 [ 280.854887] 0*8kB [ 280.856864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.860991] 2*16kB [ 280.863140] cache_grow_begin+0xa5/0x8c0 [ 280.868675] (M) 2*32kB [ 280.870919] ? do_raw_spin_unlock+0xa7/0x330 [ 280.874958] (UM) [ 280.877542] fallback_alloc+0x204/0x2e0 [ 280.881943] 4*64kB [ 280.884004] ____cache_alloc_node+0x1c7/0x1e0 [ 280.887964] (UM) [ 280.890199] kmem_cache_alloc_node+0xe3/0x730 [ 280.894668] 4*128kB (M) [ 280.896738] ? ipv6_get_ifaddr+0x42e/0x620 [ 280.901210] 3*256kB [ 280.903882] __alloc_skb+0x119/0x770 [ 280.908088] (M) [ 280.910414] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 280.914096] 4*512kB (UM) [ 280.916094] ? netdev_alloc_frag+0x1f0/0x1f0 [ 280.921352] 3*1024kB (UM) [ 280.924128] ? lock_downgrade+0x900/0x900 [ 280.928517] 3*2048kB (UM) [ 280.931372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.935495] 3*4096kB [ 280.938351] ? refcount_sub_and_test_checked+0x203/0x310 [ 280.943865] (M) [ 280.946290] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 280.951712] = 25200kB [ 280.951721] Node 0 [ 280.953697] ? addrconf_rs_timer+0x690/0x690 [ 280.959141] Normal: 786*4kB [ 280.961576] ndisc_alloc_skb+0x144/0x340 [ 280.963785] (MEH) [ 280.968186] ndisc_send_rs+0x331/0x6e0 [ 280.971186] 440*8kB [ 280.975244] addrconf_rs_timer+0x314/0x690 [ 280.977397] (UMEH) 141*16kB [ 280.981291] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.983597] (MEH) [ 280.987841] call_timer_fn+0x272/0x920 [ 280.990829] 54*32kB [ 280.995116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.997246] (MEH) [ 281.001157] ? process_timeout+0x40/0x40 [ 281.003460] 14*64kB [ 281.007699] ? __run_timers+0x7da/0xc70 [ 281.009826] (UME) [ 281.013898] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.016201] 1*128kB [ 281.020170] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.022302] (H) [ 281.026791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.029095] 1*256kB [ 281.033585] ? lockdep_hardirqs_on+0x296/0x5b0 [ 281.035537] (H) [ 281.039768] ? trace_hardirqs_on+0xbd/0x310 [ 281.042074] 2*512kB [ 281.046658] ? kasan_check_read+0x11/0x20 [ 281.048620] (H) [ 281.052942] ? __run_timers+0x7da/0xc70 [ 281.055236] 1*1024kB (U) [ 281.059394] ? trace_hardirqs_off_caller+0x310/0x310 [ 281.061348] 0*2048kB [ 281.065315] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.068065] 0*4096kB [ 281.073165] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.075562] = 13976kB [ 281.079794] __run_timers+0x7e5/0xc70 [ 281.082193] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 281.086427] ? timer_fixup_init+0x70/0x70 [ 281.088812] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 281.092617] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 281.101433] 163 total pagecache pages [ 281.105611] ? zap_class+0x640/0x640 [ 281.114181] 0 pages in swap cache [ 281.119188] ? enqueue_hrtimer+0x1a5/0x560 [ 281.123057] Swap cache stats: add 0, delete 0, find 0/0 [ 281.123067] Free swap = 0kB [ 281.126774] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 281.130208] Total swap = 0kB [ 281.134446] ? find_held_lock+0x36/0x1c0 [ 281.139799] 1965979 pages RAM [ 281.142816] ? zap_class+0x640/0x640 [ 281.147982] 0 pages HighMem/MovableOnly [ 281.151003] ? pvclock_read_flags+0x160/0x160 [ 281.155059] 342867 pages reserved [ 281.158164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.161857] 0 pages cma reserved [ 281.165831] ? check_preemption_disabled+0x48/0x280 [ 281.170372] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.173750] ? __lock_is_held+0xb5/0x140 [ 281.179375] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.182640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.187634] syz-fuzzer cpuset= [ 281.194126] ? check_preemption_disabled+0x48/0x280 [ 281.198164] / [ 281.208384] run_timer_softirq+0x52/0xb0 [ 281.213900] mems_allowed=0 [ 281.217101] ? rcu_read_lock_sched_held+0x14f/0x180 [ 281.236119] __do_softirq+0x308/0xb7e [ 281.239926] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 281.244439] ? lock_downgrade+0x900/0x900 [ 281.248603] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 281.253718] ? pvclock_read_flags+0x160/0x160 [ 281.258229] ? lapic_next_event+0x5a/0x90 [ 281.262393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.267958] ? kvm_clock_read+0x18/0x30 [ 281.271929] ? kvm_sched_clock_read+0x9/0x20 [ 281.276338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.281879] ? check_preemption_disabled+0x48/0x280 [ 281.286904] irq_exit+0x17f/0x1c0 [ 281.290360] smp_apic_timer_interrupt+0x1cb/0x760 [ 281.295203] ? smp_reschedule_interrupt+0x109/0x650 [ 281.300222] ? smp_call_function_single_interrupt+0x650/0x650 [ 281.306114] ? interrupt_entry+0xb5/0xc0 [ 281.310192] ? trace_hardirqs_off_caller+0xbb/0x310 [ 281.315212] ? trace_hardirqs_off_caller+0xbb/0x310 [ 281.320232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.325093] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.330112] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.335131] ? task_prio+0x50/0x50 [ 281.338693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.344233] ? check_preemption_disabled+0x48/0x280 [ 281.349257] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.354116] apic_timer_interrupt+0xf/0x20 [ 281.358346] [ 281.360594] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 281.366482] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 281.385382] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 281.393096] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 281.400367] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 281.407637] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 281.414919] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 281.422188] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 281.429506] ? save_stack+0xa9/0xd0 [ 281.433145] __kmalloc_node_track_caller+0x33/0x70 [ 281.438084] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 281.442848] pskb_expand_head+0x230/0x10f0 [ 281.447107] ? memcpy+0x45/0x50 [ 281.450405] ? __copy_skb_header+0x350/0x6b0 [ 281.455368] ? skb_release_data+0x880/0x880 [ 281.459702] ? __alloc_skb+0x770/0x770 [ 281.463602] ? __lock_is_held+0xb5/0x140 [ 281.467678] ? kasan_check_write+0x14/0x20 [ 281.471912] ? __skb_clone+0x6c7/0xa00 [ 281.475818] ? __copy_skb_header+0x6b0/0x6b0 [ 281.480229] ? kmem_cache_alloc+0x33a/0x730 [ 281.484556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.490101] skb_ensure_writable+0x3dd/0x640 [ 281.494515] ? skb_checksum_setup+0xaa0/0xaa0 [ 281.499034] ? check_preemption_disabled+0x48/0x280 [ 281.504097] ? __this_cpu_preempt_check+0x1c/0x20 [ 281.508958] ? __bpf_redirect+0x54b/0xb20 [ 281.513121] bpf_clone_redirect+0x14a/0x490 [ 281.517463] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 281.522491] ? __sched_text_start+0x8/0x8 [ 281.526654] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 281.531415] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 281.535999] ? retint_kernel+0x2d/0x2d [ 281.539901] ? find_held_lock+0x36/0x1c0 [ 281.543974] ? lock_acquire+0x1ed/0x520 [ 281.547973] ? bpf_test_run+0x3cb/0x780 [ 281.551948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.557499] ? check_preemption_disabled+0x48/0x280 [ 281.562740] ? kasan_check_read+0x11/0x20 [ 281.566895] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 281.572171] ? rcu_softirq_qs+0x20/0x20 [ 281.576151] ? preempt_schedule+0x4d/0x60 [ 281.580315] ? ___preempt_schedule+0x16/0x18 [ 281.584753] ? bpf_test_run+0x25d/0x780 [ 281.588748] ? netlink_diag_dump+0x2a0/0x2a0 [ 281.593162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.598699] ? bpf_test_init.isra.10+0x70/0x100 [ 281.603373] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 281.608146] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 281.613013] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 281.618581] ? fput+0x130/0x1a0 [ 281.621865] ? __bpf_prog_get+0x9b/0x290 [ 281.625928] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 281.631032] ? bpf_prog_test_run+0x130/0x1a0 [ 281.635456] ? __x64_sys_bpf+0x3d8/0x520 [ 281.639528] ? bpf_prog_get+0x20/0x20 [ 281.643352] ? do_syscall_64+0x1b9/0x820 [ 281.647418] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 281.652785] ? syscall_return_slowpath+0x5e0/0x5e0 [ 281.657719] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.662740] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 281.667760] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 281.674426] ? __switch_to_asm+0x40/0x70 [ 281.678491] ? __switch_to_asm+0x34/0x70 [ 281.682571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.687433] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 281.692844] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 281.692953] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.699575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.699581] Call Trace: [ 281.699589] [ 281.699608] dump_stack+0x244/0x39d [ 281.699626] ? dump_stack_print_info.cold.1+0x20/0x20 [ 281.706213] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.715465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.718033] syz-executor5 cpuset= [ 281.720187] warn_alloc.cold.117+0xb7/0x1bd [ 281.723788] syz5 [ 281.729000] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.739473] mems_allowed=0 [ 281.745010] ? lock_downgrade+0x900/0x900 [ 281.766754] ? trace_hardirqs_off+0xb8/0x310 [ 281.771171] ? trace_hardirqs_off+0xb8/0x310 [ 281.775596] __alloc_pages_slowpath+0x2660/0x2d70 [ 281.780487] ? warn_alloc+0x120/0x120 [ 281.784297] ? warn_alloc+0x120/0x120 [ 281.788112] ? print_usage_bug+0xc0/0xc0 [ 281.792198] ? warn_alloc+0x120/0x120 [ 281.796007] ? print_usage_bug+0xc0/0xc0 [ 281.800079] ? __lock_acquire+0x62f/0x4c20 [ 281.804318] ? __lock_acquire+0x62f/0x4c20 [ 281.808576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.814118] ? should_fail+0x22d/0xd01 [ 281.818112] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 281.823396] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.828503] ? __lock_acquire+0x62f/0x4c20 [ 281.832745] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.837850] ? __lock_acquire+0x62f/0x4c20 [ 281.842106] ? should_fail+0x22d/0xd01 [ 281.845998] ? rcu_irq_exit+0x1a2/0x390 [ 281.850002] ? mark_held_locks+0x130/0x130 [ 281.854279] ? mark_held_locks+0x130/0x130 [ 281.858531] ? mark_held_locks+0xc7/0x130 [ 281.862696] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 281.867728] ? zap_class+0x640/0x640 [ 281.871444] ? print_usage_bug+0xc0/0xc0 [ 281.875511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.881065] ? check_preemption_disabled+0x48/0x280 [ 281.886091] ? __lock_is_held+0xb5/0x140 [ 281.890171] __alloc_pages_nodemask+0xa80/0xde0 [ 281.894844] ? zap_class+0x640/0x640 [ 281.898572] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 281.903611] ? find_held_lock+0x36/0x1c0 [ 281.907689] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.912362] ? lock_downgrade+0x900/0x900 [ 281.916541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.922092] cache_grow_begin+0xa5/0x8c0 [ 281.926156] ? do_raw_spin_unlock+0xa7/0x330 [ 281.930577] fallback_alloc+0x204/0x2e0 [ 281.934563] ____cache_alloc_node+0x1c7/0x1e0 [ 281.939072] kmem_cache_alloc_node+0xe3/0x730 [ 281.943584] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.947820] __alloc_skb+0x119/0x770 [ 281.951541] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 281.956826] ? netdev_alloc_frag+0x1f0/0x1f0 [ 281.961244] ? lock_downgrade+0x900/0x900 [ 281.965401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.970942] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.976408] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.981858] ? addrconf_rs_timer+0x690/0x690 [ 281.986287] ndisc_alloc_skb+0x144/0x340 [ 281.990355] ndisc_send_rs+0x331/0x6e0 [ 281.994251] addrconf_rs_timer+0x314/0x690 [ 281.998516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.002785] call_timer_fn+0x272/0x920 [ 282.006684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.010935] ? process_timeout+0x40/0x40 [ 282.015008] ? mark_held_locks+0xc7/0x130 [ 282.019177] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.023678] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.028176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.032412] ? lockdep_hardirqs_on+0x296/0x5b0 [ 282.037001] ? trace_hardirqs_on+0xbd/0x310 [ 282.041443] ? kasan_check_read+0x11/0x20 [ 282.045596] ? __run_timers+0x7da/0xc70 [ 282.049581] ? trace_hardirqs_off_caller+0x310/0x310 [ 282.054702] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.058940] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.063189] __run_timers+0x7e5/0xc70 [ 282.067007] ? timer_fixup_init+0x70/0x70 [ 282.071183] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.076215] ? zap_class+0x640/0x640 [ 282.079936] ? print_usage_bug+0xc0/0xc0 [ 282.084003] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.089206] ? find_held_lock+0x36/0x1c0 [ 282.093287] ? zap_class+0x640/0x640 [ 282.097010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.102565] ? check_preemption_disabled+0x48/0x280 [ 282.107592] ? __lock_is_held+0xb5/0x140 [ 282.111654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.117196] ? check_preemption_disabled+0x48/0x280 [ 282.122236] run_timer_softirq+0x52/0xb0 [ 282.126299] ? rcu_read_lock_sched_held+0x14f/0x180 [ 282.131319] __do_softirq+0x308/0xb7e [ 282.135143] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 282.139640] ? lock_downgrade+0x900/0x900 [ 282.143810] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 282.148927] ? pvclock_read_flags+0x160/0x160 [ 282.153433] ? lapic_next_event+0x5a/0x90 [ 282.157585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.163135] ? kvm_clock_read+0x18/0x30 [ 282.167114] ? kvm_sched_clock_read+0x9/0x20 [ 282.171534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.177078] ? check_preemption_disabled+0x48/0x280 [ 282.182110] irq_exit+0x17f/0x1c0 [ 282.185571] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.190416] ? smp_reschedule_interrupt+0x109/0x650 [ 282.195434] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.201336] ? interrupt_entry+0xb5/0xc0 [ 282.205403] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.210422] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.215444] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.220316] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.225330] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.230347] ? task_prio+0x50/0x50 [ 282.233896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.239436] ? check_preemption_disabled+0x48/0x280 [ 282.244473] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.249330] apic_timer_interrupt+0xf/0x20 [ 282.253570] [ 282.255811] RIP: 0010:console_unlock+0xffa/0x1160 [ 282.260666] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 282.279570] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 282.287282] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 282.294554] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 282.301825] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 282.309096] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 282.316362] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 282.323645] ? netconsole_netdev_event+0x280/0x280 [ 282.328619] ? console_unlock+0xff1/0x1160 [ 282.332878] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 282.337558] ? lock_release+0xa00/0xa00 [ 282.341540] ? interrupt_entry+0xc0/0xc0 [ 282.345626] vprintk_emit+0x33d/0x930 [ 282.349434] ? wake_up_klogd+0x180/0x180 [ 282.353523] ? attach_entity_load_avg+0x810/0x860 [ 282.358368] ? __lock_acquire+0x600/0x4c20 [ 282.362620] ? mark_held_locks+0x130/0x130 [ 282.366866] ? print_usage_bug+0xc0/0xc0 [ 282.370933] ? find_held_lock+0x36/0x1c0 [ 282.375005] ? mark_held_locks+0xc7/0x130 [ 282.379178] vprintk_default+0x28/0x30 [ 282.383074] vprintk_func+0x7e/0x181 [ 282.386792] printk+0xa7/0xcf [ 282.389895] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 282.394670] show_free_areas.cold.118+0x1f34/0x215d [ 282.399709] ? si_meminfo_node+0x260/0x260 [ 282.403955] ? __lock_acquire+0x62f/0x4c20 [ 282.408196] ? __lock_acquire+0x62f/0x4c20 [ 282.412434] ? __lock_is_held+0xb5/0x140 [ 282.416517] ? mark_held_locks+0x130/0x130 [ 282.420773] ? zap_class+0x640/0x640 [ 282.424492] ? put_dec+0x3b/0xf0 [ 282.427862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.433439] ? find_held_lock+0x36/0x1c0 [ 282.437512] ? serial8250_console_write+0x8b3/0xb10 [ 282.442532] ? lock_downgrade+0x900/0x900 [ 282.446700] ? zap_class+0x640/0x640 [ 282.450418] ? zap_class+0x640/0x640 [ 282.454138] ? print_usage_bug+0xc0/0xc0 [ 282.458200] ? do_raw_spin_unlock+0xa7/0x330 [ 282.462611] ? trace_hardirqs_on+0x310/0x310 [ 282.467029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.472585] ? find_held_lock+0x36/0x1c0 [ 282.476666] ? mark_held_locks+0xc7/0x130 [ 282.480829] ? console_unlock+0xfcd/0x1160 [ 282.485086] ? netconsole_netdev_event+0x280/0x280 [ 282.490035] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 282.494621] ? trace_hardirqs_on+0xbd/0x310 [ 282.498942] ? vprintk_emit+0x33d/0x930 [ 282.502918] ? trace_hardirqs_off_caller+0x310/0x310 [ 282.508032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.513580] ? netconsole_netdev_event+0x280/0x280 [ 282.518510] ? console_unlock+0x8d8/0x1160 [ 282.522969] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 282.527638] ? vprintk_emit+0x7f7/0x930 [ 282.531618] ? lock_release+0xa00/0xa00 [ 282.535599] ? preempt_count_add+0xbc/0x1b0 [ 282.539920] ? wake_up_klogd+0x11a/0x180 [ 282.543982] ? console_device+0xc0/0xc0 [ 282.547957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.553501] ? vprintk_emit+0x268/0x930 [ 282.557478] ? wake_up_klogd+0x180/0x180 [ 282.561563] ? trace_hardirqs_on_caller+0xc0/0x310 [ 282.566503] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.571266] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.576718] ? retint_kernel+0x1b/0x2d [ 282.580609] ? trace_hardirqs_on+0x310/0x310 [ 282.585052] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.589835] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 282.594600] ? show_mem+0x1e/0x17b [ 282.598144] show_mem+0x34/0x17b [ 282.601519] dump_header+0x2f1/0xf72 [ 282.605251] ? mark_held_locks+0x130/0x130 [ 282.609509] ? pagefault_out_of_memory+0x197/0x197 [ 282.614446] ? __lock_acquire+0x62f/0x4c20 [ 282.618679] ? zap_class+0x640/0x640 [ 282.622398] ? percpu_ref_get_many+0x240/0x240 [ 282.626987] ? print_usage_bug+0xc0/0xc0 [ 282.631056] ? print_usage_bug+0xc0/0xc0 [ 282.635128] ? zap_class+0x640/0x640 [ 282.638843] ? print_usage_bug+0xc0/0xc0 [ 282.642934] ? print_usage_bug+0xc0/0xc0 [ 282.647028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.652577] ? find_held_lock+0x36/0x1c0 [ 282.656651] ? mark_held_locks+0xc7/0x130 [ 282.660831] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 282.665938] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 282.671050] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 282.675652] ? trace_hardirqs_on+0xbd/0x310 [ 282.679995] ? kasan_check_read+0x11/0x20 [ 282.684151] ? ___ratelimit+0x3b4/0x672 [ 282.688138] ? trace_hardirqs_off_caller+0x310/0x310 [ 282.693244] ? trace_hardirqs_on+0x310/0x310 [ 282.697655] ? lock_downgrade+0x900/0x900 [ 282.701810] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 282.706915] ? ___ratelimit+0x3b9/0x672 [ 282.710902] ? idr_get_free+0xec0/0xec0 [ 282.714878] ? kasan_check_read+0x11/0x20 [ 282.719042] ? do_raw_spin_unlock+0xa7/0x330 [ 282.723482] oom_kill_process.cold.27+0x10/0x903 [ 282.728240] ? zap_class+0x640/0x640 [ 282.731954] ? _raw_spin_unlock+0x2c/0x50 [ 282.736102] ? oom_badness+0xe6/0xaa0 [ 282.739910] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 282.744841] ? kasan_check_read+0x11/0x20 [ 282.748994] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.754296] ? oom_evaluate_task+0x540/0x540 [ 282.758712] ? find_held_lock+0x36/0x1c0 [ 282.762782] ? out_of_memory+0x974/0x1430 [ 282.766929] ? lock_downgrade+0x900/0x900 [ 282.771078] ? check_preemption_disabled+0x48/0x280 [ 282.776112] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 282.781047] ? kasan_check_read+0x11/0x20 [ 282.785203] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.790484] ? rcu_softirq_qs+0x20/0x20 [ 282.794465] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.800000] ? oom_evaluate_task+0x302/0x540 [ 282.804432] out_of_memory+0xa84/0x1430 [ 282.808415] ? oom_killer_disable+0x3a0/0x3a0 [ 282.812926] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 282.817866] ? __mutex_add_waiter+0x2a0/0x2a0 [ 282.822375] __alloc_pages_slowpath+0x22d4/0x2d70 [ 282.827251] ? warn_alloc+0x120/0x120 [ 282.831053] ? rcu_softirq_qs+0x20/0x20 [ 282.835086] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.840622] ? should_fail+0x22d/0xd01 [ 282.844518] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.849666] ? zap_class+0x640/0x640 [ 282.853409] ? __lock_is_held+0xb5/0x140 [ 282.857483] ? mark_held_locks+0x130/0x130 [ 282.861729] ? lock_release+0xa00/0xa00 [ 282.865708] ? perf_trace_sched_process_exec+0x860/0x860 [ 282.871172] ? __might_sleep+0x95/0x190 [ 282.875158] __alloc_pages_nodemask+0xa80/0xde0 [ 282.879838] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 282.884857] ? __page_cache_alloc+0x191/0x5c0 [ 282.889355] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 282.894287] ? kasan_check_read+0x11/0x20 [ 282.898439] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.903719] ? zap_class+0x640/0x640 [ 282.907439] ? zap_class+0x640/0x640 [ 282.911152] ? zap_class+0x640/0x640 [ 282.914891] ? __do_page_cache_readahead+0x7ce/0x980 [ 282.920003] ? find_held_lock+0x36/0x1c0 [ 282.924096] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 282.929645] alloc_pages_current+0x173/0x350 [ 282.934091] __page_cache_alloc+0x38c/0x5c0 [ 282.938415] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 282.943365] ? kasan_check_read+0x11/0x20 [ 282.947511] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 282.952805] ? generic_perform_write+0x6a0/0x6a0 [ 282.957577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.963116] ? check_preemption_disabled+0x48/0x280 [ 282.968151] filemap_fault+0x1594/0x25f0 [ 282.972225] ? __lock_page_or_retry+0xa00/0xa00 [ 282.976894] ? mark_held_locks+0x130/0x130 [ 282.981130] ? rcu_softirq_qs+0x20/0x20 [ 282.985122] ? filemap_map_pages+0xe04/0x1990 [ 282.989636] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 282.994576] ? futex_wait_setup+0x15c/0x3e0 [ 282.998902] ? zap_class+0x640/0x640 [ 283.002626] ? lock_acquire+0x1ed/0x520 [ 283.006604] ? alloc_set_pte+0x1447/0x1f40 [ 283.010859] ? lock_acquire+0x1ed/0x520 [ 283.014858] ? ext4_filemap_fault+0x7a/0xad [ 283.019186] ? lock_release+0xa00/0xa00 [ 283.023160] ? perf_trace_sched_process_exec+0x860/0x860 [ 283.028610] ? print_usage_bug+0xc0/0xc0 [ 283.032685] ? print_usage_bug+0xc0/0xc0 [ 283.036760] ? down_read+0x8d/0x120 [ 283.040385] ? ext4_filemap_fault+0x7a/0xad [ 283.044706] ? __down_interruptible+0x700/0x700 [ 283.049385] ext4_filemap_fault+0x82/0xad [ 283.053558] __do_fault+0x100/0x6b0 [ 283.057191] ? unlock_page+0x2c2/0x4c0 [ 283.061084] ? pmd_devmap_trans_unstable+0x220/0x220 [ 283.066213] ? mark_held_locks+0x130/0x130 [ 283.070454] ? mark_held_locks+0x130/0x130 [ 283.074705] ? do_raw_spin_trylock+0x270/0x270 [ 283.079300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.084847] __handle_mm_fault+0x307c/0x5920 [ 283.089280] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 283.094134] ? kasan_check_read+0x11/0x20 [ 283.098289] ? _copy_to_user+0xc8/0x110 [ 283.102274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.107823] ? zap_class+0x640/0x640 [ 283.111590] ? zap_class+0x640/0x640 [ 283.115319] ? find_held_lock+0x36/0x1c0 [ 283.119390] ? handle_mm_fault+0x42a/0xc70 [ 283.123628] ? lock_downgrade+0x900/0x900 [ 283.127779] ? check_preemption_disabled+0x48/0x280 [ 283.132816] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 283.137759] ? kasan_check_read+0x11/0x20 [ 283.141912] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 283.147192] ? rcu_softirq_qs+0x20/0x20 [ 283.151172] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.156278] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.161817] ? check_preemption_disabled+0x48/0x280 [ 283.166843] handle_mm_fault+0x54f/0xc70 [ 283.170912] ? __handle_mm_fault+0x5920/0x5920 [ 283.175520] ? find_vma+0x34/0x190 [ 283.179077] __do_page_fault+0x5e8/0xe60 [ 283.183168] ? trace_hardirqs_off+0xb8/0x310 [ 283.187584] ? __ia32_sys_read+0xb0/0xb0 [ 283.191655] do_page_fault+0xf2/0x7e0 [ 283.195458] ? vmalloc_sync_all+0x30/0x30 [ 283.199653] ? error_entry+0x70/0xd0 [ 283.203375] ? trace_hardirqs_off_caller+0xbb/0x310 [ 283.208393] ? trace_hardirqs_on_caller+0xc0/0x310 [ 283.213339] ? syscall_return_slowpath+0x5e0/0x5e0 [ 283.218274] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.223120] ? trace_hardirqs_on_caller+0x310/0x310 [ 283.228148] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.233606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.239148] ? prepare_exit_to_usermode+0x291/0x3b0 [ 283.244174] ? page_fault+0x8/0x30 [ 283.247716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.252572] ? page_fault+0x8/0x30 [ 283.256130] page_fault+0x1e/0x30 [ 283.259583] RIP: 0033:0x4727a0 [ 283.262797] Code: Bad RIP value. [ 283.266160] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 283.271541] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 283.278844] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 283.286117] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 283.293386] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 283.300653] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 283.307958] warn_alloc_show_mem: 1 callbacks suppressed [ 283.307970] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 283.307972] Mem-Info: [ 283.308004] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 283.308004] active_file:12 inactive_file:13 isolated_file:0 [ 283.308004] unevictable:0 dirty:0 writeback:0 unstable:0 [ 283.308004] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 283.308004] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 283.308004] free:13771 free_pcp:124 free_cma:0 [ 283.313359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.320294] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 283.322696] Call Trace: [ 283.355603] Node 0 [ 283.364963] [ 283.392403] 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 [ 283.394970] dump_stack+0x244/0x39d [ 283.397177] lowmem_reserve[]: [ 283.399329] ? dump_stack_print_info.cold.1+0x20/0x20 [ 283.424802] 0 2818 [ 283.428442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.431519] 6321 [ 283.436713] warn_alloc.cold.117+0xb7/0x1bd [ 283.438927] 6321 [ 283.444478] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.450844] ? lock_downgrade+0x900/0x900 [ 283.452881] Node 0 [ 283.458185] ? trace_hardirqs_off+0xb8/0x310 [ 283.462337] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 283.464569] ? trace_hardirqs_off+0xb8/0x310 [ 283.468949] lowmem_reserve[]: 0 [ 283.495962] __alloc_pages_slowpath+0x2660/0x2d70 [ 283.500356] 0 [ 283.503669] ? warn_alloc+0x120/0x120 [ 283.508467] 3503 [ 283.510272] ? warn_alloc+0x120/0x120 [ 283.514061] 3503 [ 283.516125] ? print_usage_bug+0xc0/0xc0 [ 283.521954] ? warn_alloc+0x120/0x120 [ 283.525991] Node 0 [ 283.529786] ? print_usage_bug+0xc0/0xc0 [ 283.529818] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 283.529826] lowmem_reserve[]: [ 283.532066] ? __lock_acquire+0x62f/0x4c20 [ 283.536106] 0 [ 283.564400] ? __lock_acquire+0x62f/0x4c20 [ 283.567485] 0 [ 283.571737] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.573518] 0 [ 283.577766] ? should_fail+0x22d/0xd01 [ 283.579553] 0 [ 283.585085] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 283.585103] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.590778] ? __lock_acquire+0x62f/0x4c20 [ 283.592563] Node 0 [ 283.597835] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.602920] DMA: [ 283.607160] ? __lock_acquire+0x62f/0x4c20 [ 283.607176] ? should_fail+0x22d/0xd01 [ 283.609400] 1*4kB [ 283.614501] ? rcu_irq_exit+0x1a2/0x390 [ 283.614536] ? mark_held_locks+0x130/0x130 [ 283.616596] (U) [ 283.620842] ? mark_held_locks+0x130/0x130 [ 283.624706] 0*8kB 0*16kB [ 283.626865] ? mark_held_locks+0xc7/0x130 [ 283.630829] 1*32kB [ 283.635064] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 283.637015] (U) 2*64kB [ 283.641275] ? zap_class+0x640/0x640 [ 283.644008] (U) [ 283.648158] ? print_usage_bug+0xc0/0xc0 [ 283.650388] 1*128kB [ 283.655407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.657966] (U) [ 283.661697] ? check_preemption_disabled+0x48/0x280 [ 283.663653] 1*256kB [ 283.667715] ? __lock_is_held+0xb5/0x140 [ 283.670016] (U) [ 283.675794] __alloc_pages_nodemask+0xa80/0xde0 [ 283.677761] 0*512kB [ 283.682775] ? zap_class+0x640/0x640 [ 283.685087] 1*1024kB [ 283.689141] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 283.691094] (U) [ 283.695764] ? find_held_lock+0x36/0x1c0 [ 283.698070] 1*2048kB [ 283.701785] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.704169] (M) [ 283.709195] ? lock_downgrade+0x900/0x900 [ 283.711155] 3*4096kB [ 283.715241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.717627] (M) [ 283.722302] cache_grow_begin+0xa5/0x8c0 [ 283.724258] = 15908kB [ 283.728404] ? do_raw_spin_unlock+0xa7/0x330 [ 283.730794] Node 0 [ 283.736329] fallback_alloc+0x204/0x2e0 [ 283.738282] DMA32: [ 283.742444] ____cache_alloc_node+0x1c7/0x1e0 [ 283.744835] 4*4kB [ 283.749255] kmem_cache_alloc_node+0xe3/0x730 [ 283.751471] (M) [ 283.755902] ? ipv6_get_ifaddr+0x42e/0x620 [ 283.758119] 0*8kB 2*16kB [ 283.765567] __alloc_skb+0x119/0x770 [ 283.767694] (M) 2*32kB [ 283.772206] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 283.774161] (UM) [ 283.778411] ? netdev_alloc_frag+0x1f0/0x1f0 [ 283.781150] 4*64kB [ 283.786548] ? lock_downgrade+0x900/0x900 [ 283.789140] (UM) 4*128kB [ 283.795342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.797386] (M) [ 283.801798] ? refcount_sub_and_test_checked+0x203/0x310 [ 283.804010] 3*256kB [ 283.808177] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.810911] (M) [ 283.816474] ? addrconf_rs_timer+0x690/0x690 [ 283.818448] 4*512kB (UM) [ 283.823914] ndisc_alloc_skb+0x144/0x340 [ 283.826211] 3*1024kB [ 283.831667] ndisc_send_rs+0x331/0x6e0 [ 283.833625] (UM) [ 283.838043] addrconf_rs_timer+0x314/0x690 [ 283.840783] 3*2048kB [ 283.844843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.847230] (UM) [ 283.851129] call_timer_fn+0x272/0x920 [ 283.853161] 3*4096kB [ 283.857391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.859800] (M) [ 283.864054] ? process_timeout+0x40/0x40 [ 283.866094] = 25200kB [ 283.869980] ? __run_timers+0x7da/0xc70 [ 283.872367] Node 0 [ 283.876613] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.878570] Normal: [ 283.882628] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.885028] 786*4kB [ 283.889003] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.891232] (MEH) [ 283.895723] ? lockdep_hardirqs_on+0x296/0x5b0 [ 283.898036] 440*8kB [ 283.902535] ? trace_hardirqs_on+0xbd/0x310 [ 283.904845] (UMEH) [ 283.909092] ? kasan_check_read+0x11/0x20 [ 283.911218] 141*16kB [ 283.915803] ? __run_timers+0x7da/0xc70 [ 283.918105] (MEH) [ 283.922430] ? trace_hardirqs_off_caller+0x310/0x310 [ 283.924640] 54*32kB [ 283.928784] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.931164] (MEH) 14*64kB [ 283.935144] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.937284] (UME) [ 283.942390] __run_timers+0x7e5/0xc70 [ 283.944687] 1*128kB [ 283.948925] ? timer_fixup_init+0x70/0x70 [ 283.951737] (H) [ 283.955969] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 283.958113] 1*256kB [ 283.961909] ? zap_class+0x640/0x640 [ 283.964225] (H) 2*512kB [ 283.968429] ? enqueue_hrtimer+0x1a5/0x560 [ 283.970385] (H) [ 283.975401] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 283.977721] 1*1024kB [ 283.981447] ? find_held_lock+0x36/0x1c0 [ 283.984092] (U) [ 283.988337] ? zap_class+0x640/0x640 [ 283.990295] 0*2048kB [ 283.995495] ? pvclock_read_flags+0x160/0x160 [ 283.997891] 0*4096kB [ 284.001949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.003903] = 13976kB [ 284.007614] ? check_preemption_disabled+0x48/0x280 [ 284.010044] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 284.014536] ? __lock_is_held+0xb5/0x140 [ 284.016968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 284.022505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.024892] 163 total pagecache pages [ 284.029904] ? check_preemption_disabled+0x48/0x280 [ 284.038724] 0 pages in swap cache [ 284.042789] run_timer_softirq+0x52/0xb0 [ 284.051351] Swap cache stats: add 0, delete 0, find 0/0 [ 284.051361] Free swap = 0kB [ 284.056899] ? rcu_read_lock_sched_held+0x14f/0x180 [ 284.060668] Total swap = 0kB [ 284.060677] 1965979 pages RAM [ 284.065687] __do_softirq+0x308/0xb7e [ 284.069122] 0 pages HighMem/MovableOnly [ 284.073195] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 284.078539] 342867 pages reserved [ 284.081559] ? lock_downgrade+0x900/0x900 [ 284.086555] 0 pages cma reserved [ 284.086644] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 284.089585] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 284.092751] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 284.096493] ? pvclock_read_flags+0x160/0x160 [ 284.100440] syz-fuzzer cpuset= [ 284.104937] ? lapic_next_event+0x5a/0x90 [ 284.108366] / [ 284.112516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.115861] mems_allowed=0 [ 284.122358] ? kvm_clock_read+0x18/0x30 [ 284.163650] ? kvm_sched_clock_read+0x9/0x20 [ 284.168076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.173617] ? check_preemption_disabled+0x48/0x280 [ 284.178648] irq_exit+0x17f/0x1c0 [ 284.182114] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.186981] ? smp_reschedule_interrupt+0x109/0x650 [ 284.192000] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.197902] ? interrupt_entry+0xb5/0xc0 [ 284.201967] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.206986] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.212012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.216896] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.221925] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.226944] ? task_prio+0x50/0x50 [ 284.230493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.236060] ? check_preemption_disabled+0x48/0x280 [ 284.241093] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.245960] apic_timer_interrupt+0xf/0x20 [ 284.250192] [ 284.252432] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 284.258318] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 284.277245] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 284.284968] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 284.292246] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 284.299516] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 284.306789] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 284.314076] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 284.321393] ? save_stack+0xa9/0xd0 [ 284.325064] __kmalloc_node_track_caller+0x33/0x70 [ 284.330003] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 284.334774] pskb_expand_head+0x230/0x10f0 [ 284.339027] ? memcpy+0x45/0x50 [ 284.342317] ? __copy_skb_header+0x350/0x6b0 [ 284.346739] ? skb_release_data+0x880/0x880 [ 284.351066] ? __alloc_skb+0x770/0x770 [ 284.354967] ? __lock_is_held+0xb5/0x140 [ 284.359069] ? kasan_check_write+0x14/0x20 [ 284.363307] ? __skb_clone+0x6c7/0xa00 [ 284.367197] ? __copy_skb_header+0x6b0/0x6b0 [ 284.371608] ? kmem_cache_alloc+0x33a/0x730 [ 284.375936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.381506] skb_ensure_writable+0x3dd/0x640 [ 284.385933] ? skb_checksum_setup+0xaa0/0xaa0 [ 284.390438] ? check_preemption_disabled+0x48/0x280 [ 284.395461] ? __this_cpu_preempt_check+0x1c/0x20 [ 284.400322] ? __bpf_redirect+0x54b/0xb20 [ 284.404482] bpf_clone_redirect+0x14a/0x490 [ 284.408811] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 284.413830] ? __sched_text_start+0x8/0x8 [ 284.417985] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.422757] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 284.427344] ? retint_kernel+0x2d/0x2d [ 284.431239] ? find_held_lock+0x36/0x1c0 [ 284.435311] ? lock_acquire+0x1ed/0x520 [ 284.439289] ? bpf_test_run+0x3cb/0x780 [ 284.443270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.448812] ? check_preemption_disabled+0x48/0x280 [ 284.454610] ? kasan_check_read+0x11/0x20 [ 284.458763] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 284.464060] ? rcu_softirq_qs+0x20/0x20 [ 284.468267] ? preempt_schedule+0x4d/0x60 [ 284.472445] ? ___preempt_schedule+0x16/0x18 [ 284.476877] ? bpf_test_run+0x25d/0x780 [ 284.480867] ? netlink_diag_dump+0x2a0/0x2a0 [ 284.485282] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.490833] ? bpf_test_init.isra.10+0x70/0x100 [ 284.495528] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 284.500307] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 284.505169] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 284.510710] ? fput+0x130/0x1a0 [ 284.513991] ? __bpf_prog_get+0x9b/0x290 [ 284.518069] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 284.522910] ? bpf_prog_test_run+0x130/0x1a0 [ 284.527333] ? __x64_sys_bpf+0x3d8/0x520 [ 284.531426] ? bpf_prog_get+0x20/0x20 [ 284.535255] ? do_syscall_64+0x1b9/0x820 [ 284.539319] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 284.544688] ? syscall_return_slowpath+0x5e0/0x5e0 [ 284.549625] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.554646] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 284.559677] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 284.566351] ? __switch_to_asm+0x40/0x70 [ 284.570428] ? __switch_to_asm+0x34/0x70 [ 284.574533] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.579382] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 284.584771] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 284.584857] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 284.591444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.591453] Call Trace: [ 284.598036] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 284.607280] [ 284.609856] syz-executor5 cpuset= [ 284.620342] dump_stack+0x244/0x39d [ 284.622472] syz5 [ 284.625937] ? dump_stack_print_info.cold.1+0x20/0x20 [ 284.629548] mems_allowed=0 [ 284.631539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.645167] warn_alloc.cold.117+0xb7/0x1bd [ 284.649503] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.654353] ? lock_downgrade+0x900/0x900 [ 284.658515] ? trace_hardirqs_off+0xb8/0x310 [ 284.662941] ? trace_hardirqs_off+0xb8/0x310 [ 284.667361] __alloc_pages_slowpath+0x2660/0x2d70 [ 284.672266] ? warn_alloc+0x120/0x120 [ 284.676090] ? warn_alloc+0x120/0x120 [ 284.679897] ? print_usage_bug+0xc0/0xc0 [ 284.683959] ? warn_alloc+0x120/0x120 [ 284.687766] ? print_usage_bug+0xc0/0xc0 [ 284.691828] ? __lock_acquire+0x62f/0x4c20 [ 284.696092] ? __lock_acquire+0x62f/0x4c20 [ 284.700337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.705875] ? should_fail+0x22d/0xd01 [ 284.709766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.714868] ? __lock_acquire+0x62f/0x4c20 [ 284.719110] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.724216] ? __lock_acquire+0x62f/0x4c20 [ 284.728449] ? should_fail+0x22d/0xd01 [ 284.732341] ? find_held_lock+0x36/0x1c0 [ 284.736421] ? mark_held_locks+0x130/0x130 [ 284.740661] ? mark_held_locks+0x130/0x130 [ 284.744888] ? zap_class+0x640/0x640 [ 284.748593] ? zap_class+0x640/0x640 [ 284.752311] ? print_usage_bug+0xc0/0xc0 [ 284.756375] ? do_raw_spin_unlock+0xa7/0x330 [ 284.760787] ? zap_class+0x640/0x640 [ 284.764511] ? print_usage_bug+0xc0/0xc0 [ 284.768596] ? wq_watchdog_touch+0x9c/0xfe [ 284.772834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.778380] ? check_preemption_disabled+0x48/0x280 [ 284.783406] ? __lock_is_held+0xb5/0x140 [ 284.787476] __alloc_pages_nodemask+0xa80/0xde0 [ 284.792264] ? zap_class+0x640/0x640 [ 284.795987] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 284.801044] ? find_held_lock+0x36/0x1c0 [ 284.805123] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.809793] ? lock_downgrade+0x900/0x900 [ 284.813945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.819484] cache_grow_begin+0xa5/0x8c0 [ 284.823541] ? do_raw_spin_unlock+0xa7/0x330 [ 284.827967] fallback_alloc+0x204/0x2e0 [ 284.831945] ____cache_alloc_node+0x1c7/0x1e0 [ 284.836445] kmem_cache_alloc_node+0xe3/0x730 [ 284.840956] ? ipv6_get_ifaddr+0x42e/0x620 [ 284.845246] __alloc_skb+0x119/0x770 [ 284.848968] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 284.854259] ? netdev_alloc_frag+0x1f0/0x1f0 [ 284.858683] ? lock_downgrade+0x900/0x900 [ 284.862841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.868392] ? refcount_sub_and_test_checked+0x203/0x310 [ 284.873856] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 284.879304] ? addrconf_rs_timer+0x690/0x690 [ 284.883733] ndisc_alloc_skb+0x144/0x340 [ 284.887797] ndisc_send_rs+0x331/0x6e0 [ 284.891684] addrconf_rs_timer+0x314/0x690 [ 284.895952] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.900236] call_timer_fn+0x272/0x920 [ 284.904121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.908368] ? process_timeout+0x40/0x40 [ 284.912435] ? mark_held_locks+0xc7/0x130 [ 284.916599] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.921122] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.925627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.929861] ? lockdep_hardirqs_on+0x296/0x5b0 [ 284.934449] ? trace_hardirqs_on+0xbd/0x310 [ 284.938771] ? kasan_check_read+0x11/0x20 [ 284.942917] ? __run_timers+0x7da/0xc70 [ 284.946892] ? trace_hardirqs_off_caller+0x310/0x310 [ 284.952000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.956252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.960492] __run_timers+0x7e5/0xc70 [ 284.964312] ? timer_fixup_init+0x70/0x70 [ 284.968463] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 284.973476] ? zap_class+0x640/0x640 [ 284.977224] ? print_usage_bug+0xc0/0xc0 [ 284.981289] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 284.986487] ? find_held_lock+0x36/0x1c0 [ 284.990573] ? zap_class+0x640/0x640 [ 284.994299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.999837] ? check_preemption_disabled+0x48/0x280 [ 285.004864] ? __lock_is_held+0xb5/0x140 [ 285.008940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.014476] ? check_preemption_disabled+0x48/0x280 [ 285.019499] run_timer_softirq+0x52/0xb0 [ 285.023577] ? rcu_read_lock_sched_held+0x14f/0x180 [ 285.028598] __do_softirq+0x308/0xb7e [ 285.032406] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 285.036897] ? lock_downgrade+0x900/0x900 [ 285.041055] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 285.046170] ? pvclock_read_flags+0x160/0x160 [ 285.050671] ? lapic_next_event+0x5a/0x90 [ 285.054863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.060408] ? kvm_clock_read+0x18/0x30 [ 285.064383] ? kvm_sched_clock_read+0x9/0x20 [ 285.068801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.074340] ? check_preemption_disabled+0x48/0x280 [ 285.079383] irq_exit+0x17f/0x1c0 [ 285.082838] smp_apic_timer_interrupt+0x1cb/0x760 [ 285.087677] ? smp_reschedule_interrupt+0x109/0x650 [ 285.092697] ? smp_call_function_single_interrupt+0x650/0x650 [ 285.098585] ? interrupt_entry+0xb5/0xc0 [ 285.102654] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.107669] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.112687] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.117526] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.122563] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.127594] ? task_prio+0x50/0x50 [ 285.131136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.136690] ? check_preemption_disabled+0x48/0x280 [ 285.141717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.146574] apic_timer_interrupt+0xf/0x20 [ 285.150799] [ 285.153058] RIP: 0010:console_unlock+0xffa/0x1160 [ 285.157928] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 285.176829] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 285.184563] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 285.191860] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 285.199130] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 285.206414] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 285.213681] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 285.220968] ? netconsole_netdev_event+0x280/0x280 [ 285.225912] ? console_unlock+0xff1/0x1160 [ 285.230172] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 285.234852] ? lock_release+0xa00/0xa00 [ 285.238833] ? interrupt_entry+0xc0/0xc0 [ 285.242912] vprintk_emit+0x33d/0x930 [ 285.246719] ? wake_up_klogd+0x180/0x180 [ 285.250781] ? attach_entity_load_avg+0x810/0x860 [ 285.255623] ? __lock_acquire+0x600/0x4c20 [ 285.259856] ? mark_held_locks+0x130/0x130 [ 285.264090] ? print_usage_bug+0xc0/0xc0 [ 285.268159] ? find_held_lock+0x36/0x1c0 [ 285.272245] ? mark_held_locks+0xc7/0x130 [ 285.276398] vprintk_default+0x28/0x30 [ 285.280301] vprintk_func+0x7e/0x181 [ 285.284017] printk+0xa7/0xcf [ 285.287146] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 285.291921] show_free_areas.cold.118+0x1f34/0x215d [ 285.296970] ? si_meminfo_node+0x260/0x260 [ 285.301226] ? __lock_acquire+0x62f/0x4c20 [ 285.305467] ? __lock_acquire+0x62f/0x4c20 [ 285.309703] ? __lock_is_held+0xb5/0x140 [ 285.313783] ? mark_held_locks+0x130/0x130 [ 285.318035] ? zap_class+0x640/0x640 [ 285.321756] ? put_dec+0x3b/0xf0 [ 285.325132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.330723] ? find_held_lock+0x36/0x1c0 [ 285.334796] ? serial8250_console_write+0x8b3/0xb10 [ 285.339818] ? lock_downgrade+0x900/0x900 [ 285.343970] ? zap_class+0x640/0x640 [ 285.347684] ? zap_class+0x640/0x640 [ 285.351399] ? print_usage_bug+0xc0/0xc0 [ 285.355460] ? do_raw_spin_unlock+0xa7/0x330 [ 285.359883] ? trace_hardirqs_on+0x310/0x310 [ 285.364306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.369858] ? find_held_lock+0x36/0x1c0 [ 285.373944] ? mark_held_locks+0xc7/0x130 [ 285.378100] ? console_unlock+0xfcd/0x1160 [ 285.382337] ? netconsole_netdev_event+0x280/0x280 [ 285.387270] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 285.391856] ? trace_hardirqs_on+0xbd/0x310 [ 285.396184] ? vprintk_emit+0x33d/0x930 [ 285.400162] ? trace_hardirqs_off_caller+0x310/0x310 [ 285.405274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.410819] ? netconsole_netdev_event+0x280/0x280 [ 285.415754] ? console_unlock+0x8d8/0x1160 [ 285.420007] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 285.424684] ? vprintk_emit+0x7f7/0x930 [ 285.428671] ? lock_release+0xa00/0xa00 [ 285.432687] ? preempt_count_add+0xbc/0x1b0 [ 285.437007] ? wake_up_klogd+0x11a/0x180 [ 285.441107] ? console_device+0xc0/0xc0 [ 285.445100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.450648] ? vprintk_emit+0x268/0x930 [ 285.454866] ? wake_up_klogd+0x180/0x180 [ 285.458957] ? trace_hardirqs_on_caller+0xc0/0x310 [ 285.463890] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 285.468652] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.474105] ? retint_kernel+0x1b/0x2d [ 285.477996] ? trace_hardirqs_on+0x310/0x310 [ 285.482424] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 285.487205] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 285.491970] ? show_mem+0x1e/0x17b [ 285.495525] show_mem+0x34/0x17b [ 285.498943] dump_header+0x2f1/0xf72 [ 285.502669] ? mark_held_locks+0x130/0x130 [ 285.506903] ? pagefault_out_of_memory+0x197/0x197 [ 285.511835] ? __lock_acquire+0x62f/0x4c20 [ 285.516090] ? zap_class+0x640/0x640 [ 285.519815] ? percpu_ref_get_many+0x240/0x240 [ 285.524411] ? print_usage_bug+0xc0/0xc0 [ 285.528473] ? print_usage_bug+0xc0/0xc0 [ 285.532584] ? zap_class+0x640/0x640 [ 285.536313] ? print_usage_bug+0xc0/0xc0 [ 285.540375] ? print_usage_bug+0xc0/0xc0 [ 285.544458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.549999] ? find_held_lock+0x36/0x1c0 [ 285.554080] ? mark_held_locks+0xc7/0x130 [ 285.558254] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 285.563889] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 285.569006] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 285.573617] ? trace_hardirqs_on+0xbd/0x310 [ 285.577943] ? kasan_check_read+0x11/0x20 [ 285.582092] ? ___ratelimit+0x3b4/0x672 [ 285.586075] ? trace_hardirqs_off_caller+0x310/0x310 [ 285.591188] ? trace_hardirqs_on+0x310/0x310 [ 285.595601] ? lock_downgrade+0x900/0x900 [ 285.599760] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.604870] ? ___ratelimit+0x3b9/0x672 [ 285.608838] ? idr_get_free+0xec0/0xec0 [ 285.612812] ? kasan_check_read+0x11/0x20 [ 285.616960] ? do_raw_spin_unlock+0xa7/0x330 [ 285.621395] oom_kill_process.cold.27+0x10/0x903 [ 285.626155] ? zap_class+0x640/0x640 [ 285.629874] ? _raw_spin_unlock+0x2c/0x50 [ 285.634038] ? oom_badness+0xe6/0xaa0 [ 285.637843] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 285.642770] ? kasan_check_read+0x11/0x20 [ 285.646924] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.652214] ? oom_evaluate_task+0x540/0x540 [ 285.656649] ? find_held_lock+0x36/0x1c0 [ 285.660729] ? out_of_memory+0x974/0x1430 [ 285.664877] ? lock_downgrade+0x900/0x900 [ 285.669045] ? check_preemption_disabled+0x48/0x280 [ 285.674070] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 285.679000] ? kasan_check_read+0x11/0x20 [ 285.683161] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.688441] ? rcu_softirq_qs+0x20/0x20 [ 285.692425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.697959] ? oom_evaluate_task+0x302/0x540 [ 285.702374] out_of_memory+0xa84/0x1430 [ 285.706374] ? oom_killer_disable+0x3a0/0x3a0 [ 285.710871] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 285.715808] ? __mutex_add_waiter+0x2a0/0x2a0 [ 285.720316] __alloc_pages_slowpath+0x22d4/0x2d70 [ 285.725192] ? warn_alloc+0x120/0x120 [ 285.728999] ? rcu_softirq_qs+0x20/0x20 [ 285.733031] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.738605] ? should_fail+0x22d/0xd01 [ 285.742497] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.747606] ? zap_class+0x640/0x640 [ 285.751389] ? __lock_is_held+0xb5/0x140 [ 285.755461] ? mark_held_locks+0x130/0x130 [ 285.759696] ? lock_release+0xa00/0xa00 [ 285.763672] ? perf_trace_sched_process_exec+0x860/0x860 [ 285.769142] ? __might_sleep+0x95/0x190 [ 285.773146] __alloc_pages_nodemask+0xa80/0xde0 [ 285.777827] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 285.782853] ? __page_cache_alloc+0x191/0x5c0 [ 285.787353] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 285.792286] ? kasan_check_read+0x11/0x20 [ 285.796460] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.801742] ? zap_class+0x640/0x640 [ 285.805463] ? zap_class+0x640/0x640 [ 285.809177] ? zap_class+0x640/0x640 [ 285.812890] ? __do_page_cache_readahead+0x7ce/0x980 [ 285.817999] ? find_held_lock+0x36/0x1c0 [ 285.822076] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 285.827638] alloc_pages_current+0x173/0x350 [ 285.832059] __page_cache_alloc+0x38c/0x5c0 [ 285.836380] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 285.841333] ? kasan_check_read+0x11/0x20 [ 285.845481] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 285.850771] ? generic_perform_write+0x6a0/0x6a0 [ 285.855525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.861074] ? check_preemption_disabled+0x48/0x280 [ 285.866126] filemap_fault+0x1594/0x25f0 [ 285.870217] ? __lock_page_or_retry+0xa00/0xa00 [ 285.874887] ? mark_held_locks+0x130/0x130 [ 285.879123] ? rcu_softirq_qs+0x20/0x20 [ 285.883114] ? filemap_map_pages+0xe04/0x1990 [ 285.887627] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 285.892567] ? futex_wait_setup+0x15c/0x3e0 [ 285.896890] ? zap_class+0x640/0x640 [ 285.900611] ? lock_acquire+0x1ed/0x520 [ 285.904586] ? alloc_set_pte+0x1447/0x1f40 [ 285.908840] ? lock_acquire+0x1ed/0x520 [ 285.912814] ? ext4_filemap_fault+0x7a/0xad [ 285.917143] ? lock_release+0xa00/0xa00 [ 285.921120] ? perf_trace_sched_process_exec+0x860/0x860 [ 285.926586] ? print_usage_bug+0xc0/0xc0 [ 285.930647] ? print_usage_bug+0xc0/0xc0 [ 285.934718] ? down_read+0x8d/0x120 [ 285.938341] ? ext4_filemap_fault+0x7a/0xad [ 285.942663] ? __down_interruptible+0x700/0x700 [ 285.947346] ext4_filemap_fault+0x82/0xad [ 285.951514] __do_fault+0x100/0x6b0 [ 285.955152] ? unlock_page+0x2c2/0x4c0 [ 285.959053] ? pmd_devmap_trans_unstable+0x220/0x220 [ 285.964160] ? mark_held_locks+0x130/0x130 [ 285.968395] ? mark_held_locks+0x130/0x130 [ 285.972628] ? do_raw_spin_trylock+0x270/0x270 [ 285.977218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.982759] __handle_mm_fault+0x307c/0x5920 [ 285.987175] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 285.992066] ? kasan_check_read+0x11/0x20 [ 285.996219] ? _copy_to_user+0xc8/0x110 [ 286.000209] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.005757] ? zap_class+0x640/0x640 [ 286.009470] ? zap_class+0x640/0x640 [ 286.013196] ? find_held_lock+0x36/0x1c0 [ 286.017266] ? handle_mm_fault+0x42a/0xc70 [ 286.021504] ? lock_downgrade+0x900/0x900 [ 286.025653] ? check_preemption_disabled+0x48/0x280 [ 286.030677] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 286.035608] ? kasan_check_read+0x11/0x20 [ 286.039768] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 286.045063] ? rcu_softirq_qs+0x20/0x20 [ 286.049047] ? trace_hardirqs_off_caller+0x310/0x310 [ 286.054155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.059694] ? check_preemption_disabled+0x48/0x280 [ 286.064726] handle_mm_fault+0x54f/0xc70 [ 286.068830] ? __handle_mm_fault+0x5920/0x5920 [ 286.073421] ? find_vma+0x34/0x190 [ 286.076964] __do_page_fault+0x5e8/0xe60 [ 286.081044] ? trace_hardirqs_off+0xb8/0x310 [ 286.085489] ? __ia32_sys_read+0xb0/0xb0 [ 286.089560] do_page_fault+0xf2/0x7e0 [ 286.093391] ? vmalloc_sync_all+0x30/0x30 [ 286.097573] ? error_entry+0x70/0xd0 [ 286.101315] ? trace_hardirqs_off_caller+0xbb/0x310 [ 286.106331] ? trace_hardirqs_on_caller+0xc0/0x310 [ 286.111264] ? syscall_return_slowpath+0x5e0/0x5e0 [ 286.116205] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.121059] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.126075] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.131528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.137082] ? prepare_exit_to_usermode+0x291/0x3b0 [ 286.142105] ? page_fault+0x8/0x30 [ 286.145648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.150498] ? page_fault+0x8/0x30 [ 286.154047] page_fault+0x1e/0x30 [ 286.157503] RIP: 0033:0x4727a0 [ 286.160721] Code: Bad RIP value. [ 286.164086] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 286.169448] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 286.176717] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 286.183987] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 286.191262] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 286.198529] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 286.205827] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 286.205833] warn_alloc_show_mem: 1 callbacks suppressed [ 286.205840] Mem-Info: [ 286.212784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.218153] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 286.218153] active_file:12 inactive_file:13 isolated_file:0 [ 286.218153] unevictable:0 dirty:0 writeback:0 unstable:0 [ 286.218153] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 286.218153] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 286.218153] free:13771 free_pcp:124 free_cma:0 [ 286.220525] Call Trace: [ 286.229922] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 286.262769] [ 286.265366] Node 0 [ 286.292780] dump_stack+0x244/0x39d [ 286.294933] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 286.297142] ? dump_stack_print_info.cold.1+0x20/0x20 [ 286.300747] lowmem_reserve[]: [ 286.326297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.331466] 0 [ 286.334576] warn_alloc.cold.117+0xb7/0x1bd [ 286.340121] 2818 6321 [ 286.341943] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.346241] 6321 [ 286.348754] ? lock_downgrade+0x900/0x900 [ 286.355632] ? trace_hardirqs_off+0xb8/0x310 [ 286.359753] Node 0 DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 286.364185] ? trace_hardirqs_off+0xb8/0x310 [ 286.364208] __alloc_pages_slowpath+0x2660/0x2d70 [ 286.391762] lowmem_reserve[]: 0 [ 286.396201] ? warn_alloc+0x120/0x120 [ 286.400998] 0 [ 286.404291] ? warn_alloc+0x120/0x120 [ 286.408085] 3503 [ 286.409890] ? print_usage_bug+0xc0/0xc0 [ 286.413673] 3503 [ 286.415732] ? warn_alloc+0x120/0x120 [ 286.419772] Node 0 [ 286.421835] ? print_usage_bug+0xc0/0xc0 [ 286.425640] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 286.427850] ? __lock_acquire+0x62f/0x4c20 [ 286.431892] lowmem_reserve[]: [ 286.459997] ? __lock_acquire+0x62f/0x4c20 [ 286.464212] 0 [ 286.467322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.471532] 0 [ 286.473336] ? should_fail+0x22d/0xd01 [ 286.478847] 0 0 [ 286.480691] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 286.486537] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.491795] Node 0 [ 286.496889] ? __lock_acquire+0x62f/0x4c20 [ 286.496893] DMA: 1*4kB [ 286.499136] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.503350] (U) [ 286.505934] ? __lock_acquire+0x62f/0x4c20 [ 286.511013] 0*8kB [ 286.513008] ? should_fail+0x22d/0xd01 [ 286.517242] 0*16kB [ 286.519393] ? rcu_irq_exit+0x1a2/0x390 [ 286.523462] 1*32kB [ 286.525701] ? mark_held_locks+0x130/0x130 [ 286.529648] (U) [ 286.531882] ? mark_held_locks+0x130/0x130 [ 286.536094] 2*64kB [ 286.538077] ? mark_held_locks+0xc7/0x130 [ 286.542291] (U) [ 286.544530] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 286.548674] 1*128kB [ 286.550647] ? zap_class+0x640/0x640 [ 286.555639] (U) [ 286.557964] ? print_usage_bug+0xc0/0xc0 [ 286.561659] 1*256kB [ 286.563633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.567667] (U) 0*512kB [ 286.570008] ? check_preemption_disabled+0x48/0x280 [ 286.575536] 1*1024kB (U) [ 286.578223] ? __lock_is_held+0xb5/0x140 [ 286.583219] 1*2048kB [ 286.585979] __alloc_pages_nodemask+0xa80/0xde0 [ 286.590013] (M) [ 286.592448] ? zap_class+0x640/0x640 [ 286.597098] 3*4096kB [ 286.599075] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 286.602764] (M) [ 286.605178] ? find_held_lock+0x36/0x1c0 [ 286.610169] = 15908kB [ 286.612152] ? ____cache_alloc_node+0x1c7/0x1e0 [ 286.616187] Node 0 [ 286.618594] ? lock_downgrade+0x900/0x900 [ 286.623255] DMA32: [ 286.625493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.629614] 4*4kB [ 286.631851] cache_grow_begin+0xa5/0x8c0 [ 286.637365] (M) [ 286.639518] ? do_raw_spin_unlock+0xa7/0x330 [ 286.643562] 0*8kB [ 286.645542] fallback_alloc+0x204/0x2e0 [ 286.649939] 2*16kB [ 286.652088] ____cache_alloc_node+0x1c7/0x1e0 [ 286.656058] (M) [ 286.658299] kmem_cache_alloc_node+0xe3/0x730 [ 286.662769] 2*32kB [ 286.664741] ? ipv6_get_ifaddr+0x42e/0x620 [ 286.669212] (UM) [ 286.671994] __alloc_skb+0x119/0x770 [ 286.676207] 4*64kB [ 286.678284] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 286.681965] (UM) 4*128kB [ 286.684210] ? netdev_alloc_frag+0x1f0/0x1f0 [ 286.689464] (M) [ 286.692218] ? lock_downgrade+0x900/0x900 [ 286.696612] 3*256kB [ 286.698593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.702727] (M) [ 286.705066] ? refcount_sub_and_test_checked+0x203/0x310 [ 286.710572] 4*512kB [ 286.712547] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 286.717990] (UM) [ 286.720355] ? addrconf_rs_timer+0x690/0x690 [ 286.725789] 3*1024kB (UM) [ 286.727864] ndisc_alloc_skb+0x144/0x340 [ 286.732250] 3*2048kB [ 286.735091] ndisc_send_rs+0x331/0x6e0 [ 286.739129] (UM) [ 286.741536] addrconf_rs_timer+0x314/0x690 [ 286.745424] 3*4096kB [ 286.747486] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.751722] (M) [ 286.754138] call_timer_fn+0x272/0x920 [ 286.758343] = 25200kB [ 286.760326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.764212] Node 0 [ 286.766652] ? process_timeout+0x40/0x40 [ 286.770867] Normal: [ 286.773107] ? __run_timers+0x7da/0xc70 [ 286.777143] 786*4kB [ 286.779476] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.783426] (MEH) [ 286.785748] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.790222] 440*8kB [ 286.792368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.796844] (UMEH) [ 286.799168] ? lockdep_hardirqs_on+0x296/0x5b0 [ 286.803383] 141*16kB [ 286.805622] ? trace_hardirqs_on+0xbd/0x310 [ 286.810183] (MEH) [ 286.812595] ? kasan_check_read+0x11/0x20 [ 286.816891] 54*32kB [ 286.819053] ? __run_timers+0x7da/0xc70 [ 286.823169] (MEH) [ 286.825487] ? trace_hardirqs_off_caller+0x310/0x310 [ 286.829439] 14*64kB [ 286.831593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.836671] (UME) [ 286.838987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.843198] 1*128kB [ 286.845356] __run_timers+0x7e5/0xc70 [ 286.849573] (H) [ 286.851904] ? timer_fixup_init+0x70/0x70 [ 286.855690] 1*256kB [ 286.857664] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 286.861790] (H) [ 286.864125] ? zap_class+0x640/0x640 [ 286.869119] 2*512kB [ 286.871096] ? enqueue_hrtimer+0x1a5/0x560 [ 286.874792] (H) [ 286.877126] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 286.881344] 1*1024kB [ 286.883354] ? find_held_lock+0x36/0x1c0 [ 286.888527] (U) [ 286.890944] ? zap_class+0x640/0x640 [ 286.894981] 0*2048kB [ 286.896965] ? pvclock_read_flags+0x160/0x160 [ 286.900652] 0*4096kB [ 286.903065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.907531] = 13976kB [ 286.909940] ? check_preemption_disabled+0x48/0x280 [ 286.915460] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 286.917866] ? __lock_is_held+0xb5/0x140 [ 286.922864] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 286.931724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.935768] 163 total pagecache pages [ 286.944339] ? check_preemption_disabled+0x48/0x280 [ 286.949864] 0 pages in swap cache [ 286.953655] run_timer_softirq+0x52/0xb0 [ 286.958658] Swap cache stats: add 0, delete 0, find 0/0 [ 286.962124] ? rcu_read_lock_sched_held+0x14f/0x180 [ 286.966186] Free swap = 0kB [ 286.971545] __do_softirq+0x308/0xb7e [ 286.976551] Total swap = 0kB [ 286.979557] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 286.983352] 1965979 pages RAM [ 286.986365] ? lock_downgrade+0x900/0x900 [ 286.990836] 0 pages HighMem/MovableOnly [ 286.993936] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 286.998062] 342867 pages reserved [ 287.002045] ? pvclock_read_flags+0x160/0x160 [ 287.007128] 0 pages cma reserved [ 287.010582] ? lapic_next_event+0x5a/0x90 [ 287.015132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.018419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.022625] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.029065] ? kvm_clock_read+0x18/0x30 [ 287.034578] syz-fuzzer cpuset= [ 287.044798] ? kvm_sched_clock_read+0x9/0x20 [ 287.048749] / [ 287.051940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.056327] mems_allowed=0 [ 287.058042] ? check_preemption_disabled+0x48/0x280 [ 287.071495] irq_exit+0x17f/0x1c0 [ 287.074965] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.079806] ? smp_reschedule_interrupt+0x109/0x650 [ 287.084829] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.090717] ? interrupt_entry+0xb5/0xc0 [ 287.094784] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.099802] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.104823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.109667] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.114682] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.119699] ? task_prio+0x50/0x50 [ 287.123242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.128792] ? check_preemption_disabled+0x48/0x280 [ 287.133813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.138667] apic_timer_interrupt+0xf/0x20 [ 287.142896] [ 287.145141] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 287.151035] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 287.169944] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 287.177655] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 287.184921] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 287.192188] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 287.199463] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 287.206729] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 287.214037] ? save_stack+0xa9/0xd0 [ 287.217697] __kmalloc_node_track_caller+0x33/0x70 [ 287.222635] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 287.227399] pskb_expand_head+0x230/0x10f0 [ 287.231639] ? memcpy+0x45/0x50 [ 287.234919] ? __copy_skb_header+0x350/0x6b0 [ 287.239334] ? skb_release_data+0x880/0x880 [ 287.243677] ? __alloc_skb+0x770/0x770 [ 287.247583] ? __lock_is_held+0xb5/0x140 [ 287.251650] ? kasan_check_write+0x14/0x20 [ 287.255882] ? __skb_clone+0x6c7/0xa00 [ 287.259770] ? __copy_skb_header+0x6b0/0x6b0 [ 287.264199] ? kmem_cache_alloc+0x33a/0x730 [ 287.268535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.274085] skb_ensure_writable+0x3dd/0x640 [ 287.278497] ? skb_checksum_setup+0xaa0/0xaa0 [ 287.282993] ? check_preemption_disabled+0x48/0x280 [ 287.288031] ? __this_cpu_preempt_check+0x1c/0x20 [ 287.292883] ? __bpf_redirect+0x54b/0xb20 [ 287.297089] bpf_clone_redirect+0x14a/0x490 [ 287.301425] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 287.306476] ? __sched_text_start+0x8/0x8 [ 287.310656] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 287.315435] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 287.320043] ? retint_kernel+0x2d/0x2d [ 287.323959] ? find_held_lock+0x36/0x1c0 [ 287.328052] ? lock_acquire+0x1ed/0x520 [ 287.332061] ? bpf_test_run+0x3cb/0x780 [ 287.336688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.342227] ? check_preemption_disabled+0x48/0x280 [ 287.347256] ? kasan_check_read+0x11/0x20 [ 287.351421] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.356699] ? rcu_softirq_qs+0x20/0x20 [ 287.360677] ? preempt_schedule+0x4d/0x60 [ 287.364826] ? ___preempt_schedule+0x16/0x18 [ 287.369243] ? bpf_test_run+0x25d/0x780 [ 287.373255] ? netlink_diag_dump+0x2a0/0x2a0 [ 287.377674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.383211] ? bpf_test_init.isra.10+0x70/0x100 [ 287.387892] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 287.392658] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 287.397500] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 287.403050] ? fput+0x130/0x1a0 [ 287.406333] ? __bpf_prog_get+0x9b/0x290 [ 287.410428] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 287.415270] ? bpf_prog_test_run+0x130/0x1a0 [ 287.419679] ? __x64_sys_bpf+0x3d8/0x520 [ 287.423739] ? bpf_prog_get+0x20/0x20 [ 287.427553] ? do_syscall_64+0x1b9/0x820 [ 287.431612] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 287.436974] ? syscall_return_slowpath+0x5e0/0x5e0 [ 287.441909] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.446963] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 287.452611] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 287.459761] ? __switch_to_asm+0x40/0x70 [ 287.463824] ? __switch_to_asm+0x34/0x70 [ 287.467892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.472742] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 287.478139] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 287.478232] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.484812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.484818] Call Trace: [ 287.484825] [ 287.484843] dump_stack+0x244/0x39d [ 287.484861] ? dump_stack_print_info.cold.1+0x20/0x20 [ 287.491397] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.500691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.503253] syz-executor5 cpuset= [ 287.505414] warn_alloc.cold.117+0xb7/0x1bd [ 287.509011] syz5 [ 287.514206] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 287.524673] mems_allowed=0 [ 287.530210] ? lock_downgrade+0x900/0x900 [ 287.551805] ? trace_hardirqs_off+0xb8/0x310 [ 287.556223] ? trace_hardirqs_off+0xb8/0x310 [ 287.560646] __alloc_pages_slowpath+0x2660/0x2d70 [ 287.565996] ? warn_alloc+0x120/0x120 [ 287.569813] ? warn_alloc+0x120/0x120 [ 287.573633] ? print_usage_bug+0xc0/0xc0 [ 287.577708] ? warn_alloc+0x120/0x120 [ 287.581509] ? print_usage_bug+0xc0/0xc0 [ 287.585581] ? __lock_acquire+0x62f/0x4c20 [ 287.589820] ? __lock_acquire+0x62f/0x4c20 [ 287.594066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.599620] ? should_fail+0x22d/0xd01 [ 287.603522] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.608646] ? __lock_acquire+0x62f/0x4c20 [ 287.612883] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.618009] ? __lock_acquire+0x62f/0x4c20 [ 287.622253] ? should_fail+0x22d/0xd01 [ 287.626166] ? find_held_lock+0x36/0x1c0 [ 287.630237] ? mark_held_locks+0x130/0x130 [ 287.634480] ? mark_held_locks+0x130/0x130 [ 287.638715] ? zap_class+0x640/0x640 [ 287.642427] ? zap_class+0x640/0x640 [ 287.646179] ? print_usage_bug+0xc0/0xc0 [ 287.650240] ? do_raw_spin_unlock+0xa7/0x330 [ 287.654657] ? zap_class+0x640/0x640 [ 287.658371] ? print_usage_bug+0xc0/0xc0 [ 287.662433] ? wq_watchdog_touch+0x9c/0xfe [ 287.666672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.672210] ? check_preemption_disabled+0x48/0x280 [ 287.677255] ? __lock_is_held+0xb5/0x140 [ 287.681325] __alloc_pages_nodemask+0xa80/0xde0 [ 287.685997] ? zap_class+0x640/0x640 [ 287.689723] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 287.694753] ? find_held_lock+0x36/0x1c0 [ 287.698826] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.703495] ? lock_downgrade+0x900/0x900 [ 287.707648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.713205] cache_grow_begin+0xa5/0x8c0 [ 287.717266] ? do_raw_spin_unlock+0xa7/0x330 [ 287.721688] fallback_alloc+0x204/0x2e0 [ 287.725670] ____cache_alloc_node+0x1c7/0x1e0 [ 287.730177] kmem_cache_alloc_node+0xe3/0x730 [ 287.734689] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.738937] __alloc_skb+0x119/0x770 [ 287.742655] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 287.747940] ? netdev_alloc_frag+0x1f0/0x1f0 [ 287.752351] ? lock_downgrade+0x900/0x900 [ 287.756512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.762061] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.767517] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.772970] ? addrconf_rs_timer+0x690/0x690 [ 287.777391] ndisc_alloc_skb+0x144/0x340 [ 287.781468] ndisc_send_rs+0x331/0x6e0 [ 287.785365] addrconf_rs_timer+0x314/0x690 [ 287.789606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.793861] call_timer_fn+0x272/0x920 [ 287.797751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.801992] ? process_timeout+0x40/0x40 [ 287.806076] ? mark_held_locks+0xc7/0x130 [ 287.810257] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.814755] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.819253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.823503] ? lockdep_hardirqs_on+0x296/0x5b0 [ 287.828121] ? trace_hardirqs_on+0xbd/0x310 [ 287.832575] ? kasan_check_read+0x11/0x20 [ 287.836723] ? __run_timers+0x7da/0xc70 [ 287.840701] ? trace_hardirqs_off_caller+0x310/0x310 [ 287.845812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.850076] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.854315] __run_timers+0x7e5/0xc70 [ 287.858146] ? timer_fixup_init+0x70/0x70 [ 287.862296] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.867315] ? zap_class+0x640/0x640 [ 287.871051] ? print_usage_bug+0xc0/0xc0 [ 287.875114] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.880322] ? find_held_lock+0x36/0x1c0 [ 287.884395] ? zap_class+0x640/0x640 [ 287.888117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.893668] ? check_preemption_disabled+0x48/0x280 [ 287.898689] ? __lock_is_held+0xb5/0x140 [ 287.902749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.908287] ? check_preemption_disabled+0x48/0x280 [ 287.913306] run_timer_softirq+0x52/0xb0 [ 287.917366] ? rcu_read_lock_sched_held+0x14f/0x180 [ 287.922386] __do_softirq+0x308/0xb7e [ 287.926188] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 287.930680] ? lock_downgrade+0x900/0x900 [ 287.934828] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 287.939937] ? pvclock_read_flags+0x160/0x160 [ 287.944438] ? lapic_next_event+0x5a/0x90 [ 287.948595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.954137] ? kvm_clock_read+0x18/0x30 [ 287.958138] ? kvm_sched_clock_read+0x9/0x20 [ 287.962579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.968117] ? check_preemption_disabled+0x48/0x280 [ 287.973179] irq_exit+0x17f/0x1c0 [ 287.976672] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.981512] ? smp_reschedule_interrupt+0x109/0x650 [ 287.986568] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.992458] ? interrupt_entry+0xb5/0xc0 [ 287.996521] ? trace_hardirqs_off_caller+0xbb/0x310 [ 288.001540] ? trace_hardirqs_off_caller+0xbb/0x310 [ 288.006571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.011418] ? trace_hardirqs_on_caller+0x310/0x310 [ 288.016439] ? trace_hardirqs_on_caller+0x310/0x310 [ 288.021472] ? task_prio+0x50/0x50 [ 288.025038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.030578] ? check_preemption_disabled+0x48/0x280 [ 288.035606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.040460] apic_timer_interrupt+0xf/0x20 [ 288.044686] [ 288.046929] RIP: 0010:console_unlock+0xffa/0x1160 [ 288.051772] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 288.070669] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 288.078379] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 288.085649] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 288.092920] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 288.100185] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 288.107455] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 288.114747] ? netconsole_netdev_event+0x280/0x280 [ 288.119693] ? console_unlock+0xff1/0x1160 [ 288.123964] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 288.128638] ? lock_release+0xa00/0xa00 [ 288.132617] ? interrupt_entry+0xc0/0xc0 [ 288.136691] vprintk_emit+0x33d/0x930 [ 288.140501] ? wake_up_klogd+0x180/0x180 [ 288.144591] ? attach_entity_load_avg+0x810/0x860 [ 288.149432] ? __lock_acquire+0x600/0x4c20 [ 288.153681] ? mark_held_locks+0x130/0x130 [ 288.157915] ? print_usage_bug+0xc0/0xc0 [ 288.161984] ? find_held_lock+0x36/0x1c0 [ 288.166059] ? mark_held_locks+0xc7/0x130 [ 288.170219] vprintk_default+0x28/0x30 [ 288.174109] vprintk_func+0x7e/0x181 [ 288.177829] printk+0xa7/0xcf [ 288.180941] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 288.185713] show_free_areas.cold.118+0x1f34/0x215d [ 288.190750] ? si_meminfo_node+0x260/0x260 [ 288.194989] ? __lock_acquire+0x62f/0x4c20 [ 288.199234] ? __lock_acquire+0x62f/0x4c20 [ 288.203483] ? __lock_is_held+0xb5/0x140 [ 288.207579] ? mark_held_locks+0x130/0x130 [ 288.211821] ? zap_class+0x640/0x640 [ 288.215542] ? put_dec+0x3b/0xf0 [ 288.218923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.224467] ? find_held_lock+0x36/0x1c0 [ 288.228559] ? serial8250_console_write+0x8b3/0xb10 [ 288.233586] ? lock_downgrade+0x900/0x900 [ 288.237733] ? zap_class+0x640/0x640 [ 288.241459] ? zap_class+0x640/0x640 [ 288.245175] ? print_usage_bug+0xc0/0xc0 [ 288.249234] ? do_raw_spin_unlock+0xa7/0x330 [ 288.253645] ? trace_hardirqs_on+0x310/0x310 [ 288.258056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.263620] ? find_held_lock+0x36/0x1c0 [ 288.267690] ? mark_held_locks+0xc7/0x130 [ 288.271841] ? console_unlock+0xfcd/0x1160 [ 288.276091] ? netconsole_netdev_event+0x280/0x280 [ 288.281031] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 288.285617] ? trace_hardirqs_on+0xbd/0x310 [ 288.289938] ? vprintk_emit+0x33d/0x930 [ 288.293919] ? trace_hardirqs_off_caller+0x310/0x310 [ 288.299034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.304594] ? netconsole_netdev_event+0x280/0x280 [ 288.309524] ? console_unlock+0x8d8/0x1160 [ 288.313776] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 288.318443] ? vprintk_emit+0x7f7/0x930 [ 288.322427] ? lock_release+0xa00/0xa00 [ 288.326410] ? preempt_count_add+0xbc/0x1b0 [ 288.330731] ? wake_up_klogd+0x11a/0x180 [ 288.334795] ? console_device+0xc0/0xc0 [ 288.338769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.344315] ? vprintk_emit+0x268/0x930 [ 288.348298] ? wake_up_klogd+0x180/0x180 [ 288.352359] ? trace_hardirqs_on_caller+0xc0/0x310 [ 288.357292] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.362057] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.367510] ? retint_kernel+0x1b/0x2d [ 288.371400] ? trace_hardirqs_on+0x310/0x310 [ 288.375819] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.380602] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 288.385375] ? show_mem+0x1e/0x17b [ 288.388923] show_mem+0x34/0x17b [ 288.392305] dump_header+0x2f1/0xf72 [ 288.396053] ? mark_held_locks+0x130/0x130 [ 288.400294] ? pagefault_out_of_memory+0x197/0x197 [ 288.405236] ? __lock_acquire+0x62f/0x4c20 [ 288.409487] ? zap_class+0x640/0x640 [ 288.413220] ? percpu_ref_get_many+0x240/0x240 [ 288.417807] ? print_usage_bug+0xc0/0xc0 [ 288.421879] ? print_usage_bug+0xc0/0xc0 [ 288.425957] ? zap_class+0x640/0x640 [ 288.429675] ? print_usage_bug+0xc0/0xc0 [ 288.433736] ? print_usage_bug+0xc0/0xc0 [ 288.437807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.443360] ? find_held_lock+0x36/0x1c0 [ 288.447431] ? mark_held_locks+0xc7/0x130 [ 288.451584] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 288.456699] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 288.461804] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 288.466397] ? trace_hardirqs_on+0xbd/0x310 [ 288.470721] ? kasan_check_read+0x11/0x20 [ 288.474867] ? ___ratelimit+0x3b4/0x672 [ 288.478841] ? trace_hardirqs_off_caller+0x310/0x310 [ 288.483949] ? trace_hardirqs_on+0x310/0x310 [ 288.488374] ? lock_downgrade+0x900/0x900 [ 288.492542] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 288.497652] ? ___ratelimit+0x3b9/0x672 [ 288.501639] ? idr_get_free+0xec0/0xec0 [ 288.505617] ? kasan_check_read+0x11/0x20 [ 288.509763] ? do_raw_spin_unlock+0xa7/0x330 [ 288.514197] oom_kill_process.cold.27+0x10/0x903 [ 288.518953] ? zap_class+0x640/0x640 [ 288.522701] ? _raw_spin_unlock+0x2c/0x50 [ 288.526846] ? oom_badness+0xe6/0xaa0 [ 288.530651] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 288.535594] ? kasan_check_read+0x11/0x20 [ 288.539746] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.545054] ? oom_evaluate_task+0x540/0x540 [ 288.549465] ? find_held_lock+0x36/0x1c0 [ 288.553534] ? out_of_memory+0x974/0x1430 [ 288.557689] ? lock_downgrade+0x900/0x900 [ 288.561837] ? check_preemption_disabled+0x48/0x280 [ 288.566863] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 288.571797] ? kasan_check_read+0x11/0x20 [ 288.575951] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.581234] ? rcu_softirq_qs+0x20/0x20 [ 288.585240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.590776] ? oom_evaluate_task+0x302/0x540 [ 288.595199] out_of_memory+0xa84/0x1430 [ 288.599184] ? oom_killer_disable+0x3a0/0x3a0 [ 288.603683] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 288.608620] ? __mutex_add_waiter+0x2a0/0x2a0 [ 288.613126] __alloc_pages_slowpath+0x22d4/0x2d70 [ 288.618041] ? warn_alloc+0x120/0x120 [ 288.621848] ? rcu_softirq_qs+0x20/0x20 [ 288.625854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.631393] ? should_fail+0x22d/0xd01 [ 288.635289] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.640394] ? zap_class+0x640/0x640 [ 288.644148] ? __lock_is_held+0xb5/0x140 [ 288.648222] ? mark_held_locks+0x130/0x130 [ 288.652483] ? lock_release+0xa00/0xa00 [ 288.656467] ? perf_trace_sched_process_exec+0x860/0x860 [ 288.661927] ? __might_sleep+0x95/0x190 [ 288.665909] __alloc_pages_nodemask+0xa80/0xde0 [ 288.670586] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 288.675620] ? __page_cache_alloc+0x191/0x5c0 [ 288.680120] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 288.685083] ? kasan_check_read+0x11/0x20 [ 288.689236] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.694518] ? zap_class+0x640/0x640 [ 288.698253] ? zap_class+0x640/0x640 [ 288.701968] ? zap_class+0x640/0x640 [ 288.705693] ? __do_page_cache_readahead+0x7ce/0x980 [ 288.710799] ? find_held_lock+0x36/0x1c0 [ 288.714870] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 288.720428] alloc_pages_current+0x173/0x350 [ 288.724859] __page_cache_alloc+0x38c/0x5c0 [ 288.729213] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 288.734142] ? kasan_check_read+0x11/0x20 [ 288.738294] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.743582] ? generic_perform_write+0x6a0/0x6a0 [ 288.748343] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.753886] ? check_preemption_disabled+0x48/0x280 [ 288.758914] filemap_fault+0x1594/0x25f0 [ 288.762993] ? __lock_page_or_retry+0xa00/0xa00 [ 288.767674] ? mark_held_locks+0x130/0x130 [ 288.771910] ? rcu_softirq_qs+0x20/0x20 [ 288.775897] ? filemap_map_pages+0xe04/0x1990 [ 288.780411] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 288.785352] ? futex_wait_setup+0x15c/0x3e0 [ 288.789683] ? zap_class+0x640/0x640 [ 288.793415] ? lock_acquire+0x1ed/0x520 [ 288.797409] ? alloc_set_pte+0x1447/0x1f40 [ 288.801661] ? lock_acquire+0x1ed/0x520 [ 288.805657] ? ext4_filemap_fault+0x7a/0xad [ 288.809985] ? lock_release+0xa00/0xa00 [ 288.813968] ? perf_trace_sched_process_exec+0x860/0x860 [ 288.819420] ? print_usage_bug+0xc0/0xc0 [ 288.823483] ? print_usage_bug+0xc0/0xc0 [ 288.827562] ? down_read+0x8d/0x120 [ 288.831187] ? ext4_filemap_fault+0x7a/0xad [ 288.835510] ? __down_interruptible+0x700/0x700 [ 288.840211] ext4_filemap_fault+0x82/0xad [ 288.844363] __do_fault+0x100/0x6b0 [ 288.847996] ? unlock_page+0x2c2/0x4c0 [ 288.851907] ? pmd_devmap_trans_unstable+0x220/0x220 [ 288.857036] ? mark_held_locks+0x130/0x130 [ 288.861274] ? mark_held_locks+0x130/0x130 [ 288.865522] ? do_raw_spin_trylock+0x270/0x270 [ 288.870138] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.875683] __handle_mm_fault+0x307c/0x5920 [ 288.880104] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 288.884967] ? kasan_check_read+0x11/0x20 [ 288.889131] ? _copy_to_user+0xc8/0x110 [ 288.893112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.898664] ? zap_class+0x640/0x640 [ 288.902383] ? zap_class+0x640/0x640 [ 288.906110] ? find_held_lock+0x36/0x1c0 [ 288.910182] ? handle_mm_fault+0x42a/0xc70 [ 288.914423] ? lock_downgrade+0x900/0x900 [ 288.918590] ? check_preemption_disabled+0x48/0x280 [ 288.923615] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 288.928558] ? kasan_check_read+0x11/0x20 [ 288.932716] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 288.938013] ? rcu_softirq_qs+0x20/0x20 [ 288.942002] ? trace_hardirqs_off_caller+0x310/0x310 [ 288.947119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.952656] ? check_preemption_disabled+0x48/0x280 [ 288.957679] handle_mm_fault+0x54f/0xc70 [ 288.961750] ? __handle_mm_fault+0x5920/0x5920 [ 288.966342] ? find_vma+0x34/0x190 [ 288.969889] __do_page_fault+0x5e8/0xe60 [ 288.973953] ? trace_hardirqs_off+0xb8/0x310 [ 288.978366] ? __ia32_sys_read+0xb0/0xb0 [ 288.982441] do_page_fault+0xf2/0x7e0 [ 288.986248] ? vmalloc_sync_all+0x30/0x30 [ 288.990403] ? error_entry+0x70/0xd0 [ 288.994118] ? trace_hardirqs_off_caller+0xbb/0x310 [ 288.999159] ? trace_hardirqs_on_caller+0xc0/0x310 [ 289.004091] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.009028] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.013875] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.018895] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.024349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.029888] ? prepare_exit_to_usermode+0x291/0x3b0 [ 289.034907] ? page_fault+0x8/0x30 [ 289.038468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.043317] ? page_fault+0x8/0x30 [ 289.046861] page_fault+0x1e/0x30 [ 289.050316] RIP: 0033:0x4727a0 [ 289.053536] Code: Bad RIP value. [ 289.056908] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 289.062281] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 289.069572] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 289.076842] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 289.084109] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 289.091376] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 289.098673] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 289.098679] warn_alloc_show_mem: 1 callbacks suppressed [ 289.098687] Mem-Info: [ 289.105619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.110997] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 289.110997] active_file:12 inactive_file:13 isolated_file:0 [ 289.110997] unevictable:0 dirty:0 writeback:0 unstable:0 [ 289.110997] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 289.110997] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 289.110997] free:13771 free_pcp:124 free_cma:0 [ 289.113375] Call Trace: [ 289.122766] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 289.155616] [ 289.158192] Node 0 [ 289.185603] dump_stack+0x244/0x39d [ 289.187750] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 289.189971] ? dump_stack_print_info.cold.1+0x20/0x20 [ 289.193576] lowmem_reserve[]: [ 289.219085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.224252] 0 [ 289.227360] warn_alloc.cold.117+0xb7/0x1bd [ 289.232868] 2818 [ 289.234681] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.238982] 6321 [ 289.241062] ? lock_downgrade+0x900/0x900 [ 289.245878] 6321 [ 289.247944] ? trace_hardirqs_off+0xb8/0x310 [ 289.254158] ? trace_hardirqs_off+0xb8/0x310 [ 289.258554] Node 0 DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 289.262992] __alloc_pages_slowpath+0x2660/0x2d70 [ 289.263053] ? warn_alloc+0x120/0x120 [ 289.290595] lowmem_reserve[]: 0 [ 289.295496] ? warn_alloc+0x120/0x120 [ 289.299260] 0 [ 289.302542] ? print_usage_bug+0xc0/0xc0 [ 289.306351] 3503 [ 289.308152] ? warn_alloc+0x120/0x120 [ 289.312196] 3503 [ 289.314261] ? print_usage_bug+0xc0/0xc0 [ 289.320110] ? __lock_acquire+0x62f/0x4c20 [ 289.324148] Node 0 [ 289.328372] ? __lock_acquire+0x62f/0x4c20 [ 289.328407] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 289.330615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.334828] lowmem_reserve[]: [ 289.362937] ? should_fail+0x22d/0xd01 [ 289.368457] 0 [ 289.371569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.375439] 0 0 [ 289.377255] ? __lock_acquire+0x62f/0x4c20 [ 289.382332] 0 [ 289.384315] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.388591] Node 0 [ 289.390394] ? __lock_acquire+0x62f/0x4c20 [ 289.395497] DMA: [ 289.397732] ? should_fail+0x22d/0xd01 [ 289.401945] 1*4kB [ 289.404006] ? find_held_lock+0x36/0x1c0 [ 289.407881] (U) [ 289.410074] ? mark_held_locks+0x130/0x130 [ 289.414121] 0*8kB [ 289.416098] ? mark_held_locks+0x130/0x130 [ 289.420312] 0*16kB [ 289.422459] ? zap_class+0x640/0x640 [ 289.426670] 1*32kB [ 289.428906] ? zap_class+0x640/0x640 [ 289.432597] (U) [ 289.434851] ? print_usage_bug+0xc0/0xc0 [ 289.438555] 2*64kB [ 289.440527] ? do_raw_spin_unlock+0xa7/0x330 [ 289.444571] (U) [ 289.446809] ? zap_class+0x640/0x640 [ 289.451208] 1*128kB [ 289.453196] ? print_usage_bug+0xc0/0xc0 [ 289.457065] (U) 1*256kB [ 289.459405] ? wq_watchdog_touch+0x9c/0xfe [ 289.463440] (U) [ 289.466184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.470398] 0*512kB [ 289.472400] ? check_preemption_disabled+0x48/0x280 [ 289.477914] 1*1024kB [ 289.480239] ? __lock_is_held+0xb5/0x140 [ 289.485230] (U) [ 289.487639] __alloc_pages_nodemask+0xa80/0xde0 [ 289.491674] 1*2048kB [ 289.493645] ? zap_class+0x640/0x640 [ 289.498295] (M) 3*4096kB [ 289.500719] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 289.504428] (M) = 15908kB [ 289.507225] ? find_held_lock+0x36/0x1c0 [ 289.512215] Node 0 [ 289.514975] ? ____cache_alloc_node+0x1c7/0x1e0 [ 289.519004] DMA32: 4*4kB [ 289.521616] ? lock_downgrade+0x900/0x900 [ 289.526263] (M) [ 289.529042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.533166] 0*8kB [ 289.535143] cache_grow_begin+0xa5/0x8c0 [ 289.540658] 2*16kB [ 289.542799] ? do_raw_spin_unlock+0xa7/0x330 [ 289.546835] (M) [ 289.549097] fallback_alloc+0x204/0x2e0 [ 289.553486] 2*32kB [ 289.555473] ____cache_alloc_node+0x1c7/0x1e0 [ 289.559420] (UM) [ 289.561671] kmem_cache_alloc_node+0xe3/0x730 [ 289.566622] 4*64kB (UM) [ 289.568701] ? ipv6_get_ifaddr+0x42e/0x620 [ 289.573178] 4*128kB (M) [ 289.575880] __alloc_skb+0x119/0x770 [ 289.580092] 3*256kB [ 289.582953] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 289.586642] (M) [ 289.588963] ? netdev_alloc_frag+0x1f0/0x1f0 [ 289.594221] 4*512kB [ 289.596198] ? lock_downgrade+0x900/0x900 [ 289.600582] (UM) [ 289.602931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.607067] 3*1024kB (UM) [ 289.609142] ? refcount_sub_and_test_checked+0x203/0x310 [ 289.614650] 3*2048kB (UM) [ 289.617506] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 289.622927] 3*4096kB (M) [ 289.625780] ? addrconf_rs_timer+0x690/0x690 [ 289.631208] = 25200kB [ 289.633968] ndisc_alloc_skb+0x144/0x340 [ 289.638382] Node 0 [ 289.640793] ndisc_send_rs+0x331/0x6e0 [ 289.644839] Normal: [ 289.647077] addrconf_rs_timer+0x314/0x690 [ 289.650941] 786*4kB [ 289.653265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.657517] (MEH) [ 289.659849] call_timer_fn+0x272/0x920 [ 289.664061] 440*8kB [ 289.666223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.670092] (UMEH) [ 289.672417] ? process_timeout+0x40/0x40 [ 289.676627] 141*16kB [ 289.678862] ? __run_timers+0x7da/0xc70 [ 289.682888] (MEH) 54*32kB [ 289.685310] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.689259] (MEH) [ 289.692103] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.696570] 14*64kB (UME) [ 289.698735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.703214] 1*128kB [ 289.706067] ? lockdep_hardirqs_on+0x296/0x5b0 [ 289.710277] (H) [ 289.712601] ? trace_hardirqs_on+0xbd/0x310 [ 289.717165] 1*256kB [ 289.719143] ? kasan_check_read+0x11/0x20 [ 289.723439] (H) [ 289.725767] ? __run_timers+0x7da/0xc70 [ 289.729897] 2*512kB [ 289.731873] ? trace_hardirqs_off_caller+0x310/0x310 [ 289.735826] (H) [ 289.738146] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.743231] 1*1024kB [ 289.745204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.749417] (U) [ 289.751829] __run_timers+0x7e5/0xc70 [ 289.756052] 0*2048kB 0*4096kB [ 289.758058] ? timer_fixup_init+0x70/0x70 [ 289.761823] = 13976kB [ 289.765033] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 289.769163] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 289.771581] ? zap_class+0x640/0x640 [ 289.776584] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 289.785413] ? enqueue_hrtimer+0x1a5/0x560 [ 289.789114] 163 total pagecache pages [ 289.797697] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 289.801917] 0 pages in swap cache [ 289.805730] ? find_held_lock+0x36/0x1c0 [ 289.810910] Swap cache stats: add 0, delete 0, find 0/0 [ 289.814359] ? zap_class+0x640/0x640 [ 289.818403] Free swap = 0kB [ 289.823779] ? pvclock_read_flags+0x160/0x160 [ 289.827467] Total swap = 0kB [ 289.830486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.834959] 1965979 pages RAM [ 289.837980] ? check_preemption_disabled+0x48/0x280 [ 289.843506] 0 pages HighMem/MovableOnly [ 289.846611] ? __lock_is_held+0xb5/0x140 [ 289.851603] 342867 pages reserved [ 289.855576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.859614] 0 pages cma reserved [ 289.863064] ? check_preemption_disabled+0x48/0x280 [ 289.868662] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.871946] run_timer_softirq+0x52/0xb0 [ 289.877061] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.883437] ? rcu_read_lock_sched_held+0x14f/0x180 [ 289.887478] syz-fuzzer cpuset= [ 289.897702] __do_softirq+0x308/0xb7e [ 289.902696] / [ 289.905889] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 289.909669] mems_allowed=0 [ 289.911381] ? lock_downgrade+0x900/0x900 [ 289.922922] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 289.928041] ? pvclock_read_flags+0x160/0x160 [ 289.932554] ? lapic_next_event+0x5a/0x90 [ 289.936707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.942252] ? kvm_clock_read+0x18/0x30 [ 289.946227] ? kvm_sched_clock_read+0x9/0x20 [ 289.950640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.956181] ? check_preemption_disabled+0x48/0x280 [ 289.961208] irq_exit+0x17f/0x1c0 [ 289.964666] smp_apic_timer_interrupt+0x1cb/0x760 [ 289.969509] ? smp_reschedule_interrupt+0x109/0x650 [ 289.974528] ? smp_call_function_single_interrupt+0x650/0x650 [ 289.980437] ? interrupt_entry+0xb5/0xc0 [ 289.984505] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.989521] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.994542] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.999401] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.004418] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.009433] ? task_prio+0x50/0x50 [ 290.013014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.018590] ? check_preemption_disabled+0x48/0x280 [ 290.023619] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.028472] apic_timer_interrupt+0xf/0x20 [ 290.032702] [ 290.034945] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 290.040830] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 290.059732] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 290.067444] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 290.074714] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 290.081994] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 290.089316] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 290.096582] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 290.103886] ? save_stack+0xa9/0xd0 [ 290.107526] __kmalloc_node_track_caller+0x33/0x70 [ 290.112463] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 290.117230] pskb_expand_head+0x230/0x10f0 [ 290.121474] ? memcpy+0x45/0x50 [ 290.124762] ? __copy_skb_header+0x350/0x6b0 [ 290.129178] ? skb_release_data+0x880/0x880 [ 290.133501] ? __alloc_skb+0x770/0x770 [ 290.137401] ? __lock_is_held+0xb5/0x140 [ 290.141473] ? kasan_check_write+0x14/0x20 [ 290.145711] ? __skb_clone+0x6c7/0xa00 [ 290.149609] ? __copy_skb_header+0x6b0/0x6b0 [ 290.154028] ? kmem_cache_alloc+0x33a/0x730 [ 290.158365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.163912] skb_ensure_writable+0x3dd/0x640 [ 290.168328] ? skb_checksum_setup+0xaa0/0xaa0 [ 290.172826] ? check_preemption_disabled+0x48/0x280 [ 290.177848] ? __this_cpu_preempt_check+0x1c/0x20 [ 290.182719] ? __bpf_redirect+0x54b/0xb20 [ 290.186893] bpf_clone_redirect+0x14a/0x490 [ 290.191249] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 290.196268] ? __sched_text_start+0x8/0x8 [ 290.200419] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.205359] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 290.209944] ? retint_kernel+0x2d/0x2d [ 290.213834] ? find_held_lock+0x36/0x1c0 [ 290.217927] ? lock_acquire+0x1ed/0x520 [ 290.221902] ? bpf_test_run+0x3cb/0x780 [ 290.225878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.231415] ? check_preemption_disabled+0x48/0x280 [ 290.236445] ? kasan_check_read+0x11/0x20 [ 290.240605] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 290.245884] ? rcu_softirq_qs+0x20/0x20 [ 290.249857] ? preempt_schedule+0x4d/0x60 [ 290.254007] ? ___preempt_schedule+0x16/0x18 [ 290.258449] ? bpf_test_run+0x25d/0x780 [ 290.262441] ? netlink_diag_dump+0x2a0/0x2a0 [ 290.266855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.272406] ? bpf_test_init.isra.10+0x70/0x100 [ 290.277084] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 290.281882] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 290.286726] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 290.292266] ? fput+0x130/0x1a0 [ 290.295548] ? __bpf_prog_get+0x9b/0x290 [ 290.299642] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 290.304497] ? bpf_prog_test_run+0x130/0x1a0 [ 290.308914] ? __x64_sys_bpf+0x3d8/0x520 [ 290.312976] ? bpf_prog_get+0x20/0x20 [ 290.316808] ? do_syscall_64+0x1b9/0x820 [ 290.320886] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 290.326255] ? syscall_return_slowpath+0x5e0/0x5e0 [ 290.331190] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.336215] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 290.341235] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 290.347906] ? __switch_to_asm+0x40/0x70 [ 290.351970] ? __switch_to_asm+0x34/0x70 [ 290.356061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.360930] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.366319] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 290.366428] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.372993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.373002] Call Trace: [ 290.379623] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.388871] [ 290.391461] syz-executor5 cpuset= [ 290.401944] dump_stack+0x244/0x39d [ 290.404088] syz5 [ 290.407538] ? dump_stack_print_info.cold.1+0x20/0x20 [ 290.411147] mems_allowed=0 [ 290.413135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.426802] warn_alloc.cold.117+0xb7/0x1bd [ 290.431126] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.435975] ? lock_downgrade+0x900/0x900 [ 290.440135] ? trace_hardirqs_off+0xb8/0x310 [ 290.444556] ? trace_hardirqs_off+0xb8/0x310 [ 290.448973] __alloc_pages_slowpath+0x2660/0x2d70 [ 290.453825] ? warn_alloc+0x120/0x120 [ 290.457624] ? warn_alloc+0x120/0x120 [ 290.461429] ? print_usage_bug+0xc0/0xc0 [ 290.465509] ? warn_alloc+0x120/0x120 [ 290.469338] ? print_usage_bug+0xc0/0xc0 [ 290.473402] ? __lock_acquire+0x62f/0x4c20 [ 290.477636] ? __lock_acquire+0x62f/0x4c20 [ 290.481889] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.487456] ? should_fail+0x22d/0xd01 [ 290.491346] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 290.496631] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.501742] ? __lock_acquire+0x62f/0x4c20 [ 290.505983] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.511084] ? __lock_acquire+0x62f/0x4c20 [ 290.515339] ? should_fail+0x22d/0xd01 [ 290.519252] ? rcu_irq_exit+0x1a2/0x390 [ 290.523398] ? mark_held_locks+0x130/0x130 [ 290.527638] ? mark_held_locks+0x130/0x130 [ 290.531876] ? mark_held_locks+0xc7/0x130 [ 290.536032] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 290.541074] ? zap_class+0x640/0x640 [ 290.544791] ? print_usage_bug+0xc0/0xc0 [ 290.548853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.554390] ? check_preemption_disabled+0x48/0x280 [ 290.559418] ? __lock_is_held+0xb5/0x140 [ 290.563491] __alloc_pages_nodemask+0xa80/0xde0 [ 290.568162] ? zap_class+0x640/0x640 [ 290.571883] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 290.576913] ? find_held_lock+0x36/0x1c0 [ 290.580999] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.585681] ? lock_downgrade+0x900/0x900 [ 290.589845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.595387] cache_grow_begin+0xa5/0x8c0 [ 290.599451] ? do_raw_spin_unlock+0xa7/0x330 [ 290.603890] fallback_alloc+0x204/0x2e0 [ 290.607885] ____cache_alloc_node+0x1c7/0x1e0 [ 290.612389] kmem_cache_alloc_node+0xe3/0x730 [ 290.616886] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.621133] __alloc_skb+0x119/0x770 [ 290.624853] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 290.630147] ? netdev_alloc_frag+0x1f0/0x1f0 [ 290.634560] ? lock_downgrade+0x900/0x900 [ 290.638715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.644253] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.649708] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.655190] ? addrconf_rs_timer+0x690/0x690 [ 290.659621] ndisc_alloc_skb+0x144/0x340 [ 290.663695] ndisc_send_rs+0x331/0x6e0 [ 290.667604] addrconf_rs_timer+0x314/0x690 [ 290.671843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.676094] call_timer_fn+0x272/0x920 [ 290.680006] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.684263] ? process_timeout+0x40/0x40 [ 290.688335] ? mark_held_locks+0xc7/0x130 [ 290.692505] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.697006] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.701514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.705762] ? lockdep_hardirqs_on+0x296/0x5b0 [ 290.710348] ? trace_hardirqs_on+0xbd/0x310 [ 290.714676] ? kasan_check_read+0x11/0x20 [ 290.718825] ? __run_timers+0x7da/0xc70 [ 290.722802] ? trace_hardirqs_off_caller+0x310/0x310 [ 290.727913] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.732164] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.736407] __run_timers+0x7e5/0xc70 [ 290.740234] ? timer_fixup_init+0x70/0x70 [ 290.744388] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 290.749407] ? zap_class+0x640/0x640 [ 290.753132] ? print_usage_bug+0xc0/0xc0 [ 290.757197] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 290.762400] ? find_held_lock+0x36/0x1c0 [ 290.766481] ? zap_class+0x640/0x640 [ 290.770217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.775758] ? check_preemption_disabled+0x48/0x280 [ 290.780783] ? __lock_is_held+0xb5/0x140 [ 290.784846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.790382] ? check_preemption_disabled+0x48/0x280 [ 290.795406] run_timer_softirq+0x52/0xb0 [ 290.799498] ? rcu_read_lock_sched_held+0x14f/0x180 [ 290.804527] __do_softirq+0x308/0xb7e [ 290.808336] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 290.812830] ? lock_downgrade+0x900/0x900 [ 290.816986] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 290.822109] ? pvclock_read_flags+0x160/0x160 [ 290.826605] ? lapic_next_event+0x5a/0x90 [ 290.830760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.836305] ? kvm_clock_read+0x18/0x30 [ 290.840279] ? kvm_sched_clock_read+0x9/0x20 [ 290.844690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.850231] ? check_preemption_disabled+0x48/0x280 [ 290.855260] irq_exit+0x17f/0x1c0 [ 290.858737] smp_apic_timer_interrupt+0x1cb/0x760 [ 290.863584] ? smp_reschedule_interrupt+0x109/0x650 [ 290.868616] ? smp_call_function_single_interrupt+0x650/0x650 [ 290.874531] ? interrupt_entry+0xb5/0xc0 [ 290.878629] ? trace_hardirqs_off_caller+0xbb/0x310 [ 290.883646] ? trace_hardirqs_off_caller+0xbb/0x310 [ 290.888663] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.893511] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.898560] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.903581] ? task_prio+0x50/0x50 [ 290.907131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.912668] ? check_preemption_disabled+0x48/0x280 [ 290.917705] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.922564] apic_timer_interrupt+0xf/0x20 [ 290.926796] [ 290.929047] RIP: 0010:console_unlock+0xffa/0x1160 [ 290.933895] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 290.952792] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 290.960502] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 290.967793] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 290.975062] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 290.982327] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 290.989612] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 290.996897] ? netconsole_netdev_event+0x280/0x280 [ 291.001837] ? console_unlock+0xff1/0x1160 [ 291.006097] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 291.010777] ? lock_release+0xa00/0xa00 [ 291.014760] ? interrupt_entry+0xc0/0xc0 [ 291.018839] vprintk_emit+0x33d/0x930 [ 291.022656] ? wake_up_klogd+0x180/0x180 [ 291.026721] ? attach_entity_load_avg+0x810/0x860 [ 291.031564] ? __lock_acquire+0x600/0x4c20 [ 291.035803] ? mark_held_locks+0x130/0x130 [ 291.040043] ? print_usage_bug+0xc0/0xc0 [ 291.044133] ? find_held_lock+0x36/0x1c0 [ 291.048206] ? mark_held_locks+0xc7/0x130 [ 291.052358] vprintk_default+0x28/0x30 [ 291.056251] vprintk_func+0x7e/0x181 [ 291.059978] printk+0xa7/0xcf [ 291.063105] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 291.067897] show_free_areas.cold.118+0x1f34/0x215d [ 291.072945] ? si_meminfo_node+0x260/0x260 [ 291.077193] ? __lock_acquire+0x62f/0x4c20 [ 291.081431] ? __lock_acquire+0x62f/0x4c20 [ 291.085669] ? __lock_is_held+0xb5/0x140 [ 291.089748] ? mark_held_locks+0x130/0x130 [ 291.093992] ? zap_class+0x640/0x640 [ 291.097717] ? put_dec+0x3b/0xf0 [ 291.101100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.106648] ? find_held_lock+0x36/0x1c0 [ 291.110725] ? serial8250_console_write+0x8b3/0xb10 [ 291.115746] ? lock_downgrade+0x900/0x900 [ 291.119894] ? zap_class+0x640/0x640 [ 291.123623] ? zap_class+0x640/0x640 [ 291.127339] ? print_usage_bug+0xc0/0xc0 [ 291.131397] ? do_raw_spin_unlock+0xa7/0x330 [ 291.135809] ? trace_hardirqs_on+0x310/0x310 [ 291.140217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.145763] ? find_held_lock+0x36/0x1c0 [ 291.149833] ? mark_held_locks+0xc7/0x130 [ 291.154001] ? console_unlock+0xfcd/0x1160 [ 291.158261] ? netconsole_netdev_event+0x280/0x280 [ 291.163192] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 291.167778] ? trace_hardirqs_on+0xbd/0x310 [ 291.172099] ? vprintk_emit+0x33d/0x930 [ 291.176088] ? trace_hardirqs_off_caller+0x310/0x310 [ 291.181207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.186749] ? netconsole_netdev_event+0x280/0x280 [ 291.191706] ? console_unlock+0x8d8/0x1160 [ 291.195955] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 291.200622] ? vprintk_emit+0x7f7/0x930 [ 291.204599] ? lock_release+0xa00/0xa00 [ 291.208586] ? preempt_count_add+0xbc/0x1b0 [ 291.212909] ? wake_up_klogd+0x11a/0x180 [ 291.216974] ? console_device+0xc0/0xc0 [ 291.220953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.226497] ? vprintk_emit+0x268/0x930 [ 291.230477] ? wake_up_klogd+0x180/0x180 [ 291.234558] ? trace_hardirqs_on_caller+0xc0/0x310 [ 291.239503] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 291.244271] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.249722] ? retint_kernel+0x1b/0x2d [ 291.253617] ? trace_hardirqs_on+0x310/0x310 [ 291.258056] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 291.262837] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 291.267611] ? show_mem+0x1e/0x17b [ 291.271183] show_mem+0x34/0x17b [ 291.274561] dump_header+0x2f1/0xf72 [ 291.278286] ? mark_held_locks+0x130/0x130 [ 291.282525] ? pagefault_out_of_memory+0x197/0x197 [ 291.287468] ? __lock_acquire+0x62f/0x4c20 [ 291.291741] ? zap_class+0x640/0x640 [ 291.295462] ? percpu_ref_get_many+0x240/0x240 [ 291.300066] ? print_usage_bug+0xc0/0xc0 [ 291.304134] ? print_usage_bug+0xc0/0xc0 [ 291.308203] ? zap_class+0x640/0x640 [ 291.311919] ? print_usage_bug+0xc0/0xc0 [ 291.315983] ? print_usage_bug+0xc0/0xc0 [ 291.320059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.325600] ? find_held_lock+0x36/0x1c0 [ 291.329680] ? mark_held_locks+0xc7/0x130 [ 291.333835] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 291.338972] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 291.344078] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 291.348668] ? trace_hardirqs_on+0xbd/0x310 [ 291.352992] ? kasan_check_read+0x11/0x20 [ 291.357146] ? ___ratelimit+0x3b4/0x672 [ 291.361124] ? trace_hardirqs_off_caller+0x310/0x310 [ 291.366228] ? trace_hardirqs_on+0x310/0x310 [ 291.370641] ? lock_downgrade+0x900/0x900 [ 291.374798] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 291.379907] ? ___ratelimit+0x3b9/0x672 [ 291.383886] ? idr_get_free+0xec0/0xec0 [ 291.387856] ? kasan_check_read+0x11/0x20 [ 291.392003] ? do_raw_spin_unlock+0xa7/0x330 [ 291.396429] oom_kill_process.cold.27+0x10/0x903 [ 291.401188] ? zap_class+0x640/0x640 [ 291.404906] ? _raw_spin_unlock+0x2c/0x50 [ 291.409114] ? oom_badness+0xe6/0xaa0 [ 291.412920] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 291.417846] ? kasan_check_read+0x11/0x20 [ 291.421995] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.427282] ? oom_evaluate_task+0x540/0x540 [ 291.431696] ? find_held_lock+0x36/0x1c0 [ 291.435763] ? out_of_memory+0x974/0x1430 [ 291.439919] ? lock_downgrade+0x900/0x900 [ 291.444070] ? check_preemption_disabled+0x48/0x280 [ 291.449119] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 291.454220] ? kasan_check_read+0x11/0x20 [ 291.458378] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.463657] ? rcu_softirq_qs+0x20/0x20 [ 291.467637] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.473170] ? oom_evaluate_task+0x302/0x540 [ 291.477582] out_of_memory+0xa84/0x1430 [ 291.481590] ? oom_killer_disable+0x3a0/0x3a0 [ 291.486100] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 291.491054] ? __mutex_add_waiter+0x2a0/0x2a0 [ 291.495571] __alloc_pages_slowpath+0x22d4/0x2d70 [ 291.500445] ? warn_alloc+0x120/0x120 [ 291.504255] ? rcu_softirq_qs+0x20/0x20 [ 291.508259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.513794] ? should_fail+0x22d/0xd01 [ 291.517682] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.522793] ? zap_class+0x640/0x640 [ 291.526532] ? __lock_is_held+0xb5/0x140 [ 291.530607] ? mark_held_locks+0x130/0x130 [ 291.534845] ? lock_release+0xa00/0xa00 [ 291.538820] ? perf_trace_sched_process_exec+0x860/0x860 [ 291.544284] ? __might_sleep+0x95/0x190 [ 291.548268] __alloc_pages_nodemask+0xa80/0xde0 [ 291.552946] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 291.557970] ? __page_cache_alloc+0x191/0x5c0 [ 291.562946] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 291.567885] ? kasan_check_read+0x11/0x20 [ 291.572047] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.577356] ? zap_class+0x640/0x640 [ 291.581078] ? zap_class+0x640/0x640 [ 291.584797] ? zap_class+0x640/0x640 [ 291.588515] ? __do_page_cache_readahead+0x7ce/0x980 [ 291.593631] ? find_held_lock+0x36/0x1c0 [ 291.597710] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 291.603263] alloc_pages_current+0x173/0x350 [ 291.607703] __page_cache_alloc+0x38c/0x5c0 [ 291.612046] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 291.616975] ? kasan_check_read+0x11/0x20 [ 291.621126] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.626409] ? generic_perform_write+0x6a0/0x6a0 [ 291.631169] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.636708] ? check_preemption_disabled+0x48/0x280 [ 291.641741] filemap_fault+0x1594/0x25f0 [ 291.645819] ? __lock_page_or_retry+0xa00/0xa00 [ 291.650490] ? mark_held_locks+0x130/0x130 [ 291.654727] ? rcu_softirq_qs+0x20/0x20 [ 291.658714] ? filemap_map_pages+0xe04/0x1990 [ 291.663243] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 291.668178] ? futex_wait_setup+0x15c/0x3e0 [ 291.672508] ? zap_class+0x640/0x640 [ 291.676234] ? lock_acquire+0x1ed/0x520 [ 291.680241] ? alloc_set_pte+0x1447/0x1f40 [ 291.684508] ? lock_acquire+0x1ed/0x520 [ 291.688482] ? ext4_filemap_fault+0x7a/0xad [ 291.692810] ? lock_release+0xa00/0xa00 [ 291.696785] ? perf_trace_sched_process_exec+0x860/0x860 [ 291.702241] ? print_usage_bug+0xc0/0xc0 [ 291.706308] ? print_usage_bug+0xc0/0xc0 [ 291.710385] ? down_read+0x8d/0x120 [ 291.714033] ? ext4_filemap_fault+0x7a/0xad [ 291.718381] ? __down_interruptible+0x700/0x700 [ 291.723071] ext4_filemap_fault+0x82/0xad [ 291.727224] __do_fault+0x100/0x6b0 [ 291.730850] ? unlock_page+0x2c2/0x4c0 [ 291.734743] ? pmd_devmap_trans_unstable+0x220/0x220 [ 291.739873] ? mark_held_locks+0x130/0x130 [ 291.744133] ? mark_held_locks+0x130/0x130 [ 291.748370] ? do_raw_spin_trylock+0x270/0x270 [ 291.752961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.758513] __handle_mm_fault+0x307c/0x5920 [ 291.762935] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 291.767786] ? kasan_check_read+0x11/0x20 [ 291.771960] ? _copy_to_user+0xc8/0x110 [ 291.775942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.781526] ? zap_class+0x640/0x640 [ 291.785263] ? zap_class+0x640/0x640 [ 291.788986] ? find_held_lock+0x36/0x1c0 [ 291.793062] ? handle_mm_fault+0x42a/0xc70 [ 291.797306] ? lock_downgrade+0x900/0x900 [ 291.801462] ? check_preemption_disabled+0x48/0x280 [ 291.806497] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 291.811430] ? kasan_check_read+0x11/0x20 [ 291.815591] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 291.820878] ? rcu_softirq_qs+0x20/0x20 [ 291.824857] ? trace_hardirqs_off_caller+0x310/0x310 [ 291.829962] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.835510] ? check_preemption_disabled+0x48/0x280 [ 291.840531] handle_mm_fault+0x54f/0xc70 [ 291.844599] ? __handle_mm_fault+0x5920/0x5920 [ 291.849191] ? find_vma+0x34/0x190 [ 291.852740] __do_page_fault+0x5e8/0xe60 [ 291.856798] ? trace_hardirqs_off+0xb8/0x310 [ 291.861210] ? __ia32_sys_read+0xb0/0xb0 [ 291.865282] do_page_fault+0xf2/0x7e0 [ 291.869085] ? vmalloc_sync_all+0x30/0x30 [ 291.873250] ? error_entry+0x70/0xd0 [ 291.876971] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.882017] ? trace_hardirqs_on_caller+0xc0/0x310 [ 291.886961] ? syscall_return_slowpath+0x5e0/0x5e0 [ 291.891889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.896734] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.901759] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.907214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.912752] ? prepare_exit_to_usermode+0x291/0x3b0 [ 291.917774] ? page_fault+0x8/0x30 [ 291.921322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.926169] ? page_fault+0x8/0x30 [ 291.929713] page_fault+0x1e/0x30 [ 291.933174] RIP: 0033:0x4727a0 [ 291.936378] Code: Bad RIP value. [ 291.939748] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 291.945112] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 291.952381] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 291.959648] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 291.966918] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 291.974182] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 291.981482] warn_alloc_show_mem: 1 callbacks suppressed [ 291.981494] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 291.981496] Mem-Info: [ 291.981539] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 291.981539] active_file:12 inactive_file:13 isolated_file:0 [ 291.981539] unevictable:0 dirty:0 writeback:0 unstable:0 [ 291.981539] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 291.981539] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 291.981539] free:13771 free_pcp:124 free_cma:0 [ 291.986886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 291.993824] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 291.996229] Call Trace: [ 292.029094] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 292.038457] [ 292.065849] lowmem_reserve[]: 0 [ 292.068447] dump_stack+0x244/0x39d [ 292.094534] 2818 [ 292.096685] ? dump_stack_print_info.cold.1+0x20/0x20 [ 292.099940] 6321 [ 292.103593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.105635] 6321 [ 292.110828] warn_alloc.cold.117+0xb7/0x1bd [ 292.112865] Node 0 [ 292.118400] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.120464] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 292.124790] ? lock_downgrade+0x900/0x900 [ 292.127005] lowmem_reserve[]: [ 292.131858] ? trace_hardirqs_off+0xb8/0x310 [ 292.158802] 0 0 [ 292.162958] ? trace_hardirqs_off+0xb8/0x310 [ 292.166047] 3503 [ 292.170471] __alloc_pages_slowpath+0x2660/0x2d70 [ 292.172444] 3503 [ 292.176907] ? warn_alloc+0x120/0x120 [ 292.178927] Node 0 [ 292.183768] ? warn_alloc+0x120/0x120 [ 292.185838] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 292.189610] ? print_usage_bug+0xc0/0xc0 [ 292.191835] lowmem_reserve[]: [ 292.195633] ? warn_alloc+0x120/0x120 [ 292.223727] 0 [ 292.227786] ? print_usage_bug+0xc0/0xc0 [ 292.230865] 0 0 [ 292.234676] ? __lock_acquire+0x62f/0x4c20 [ 292.236461] 0 [ 292.240517] ? __lock_acquire+0x62f/0x4c20 [ 292.242476] Node 0 [ 292.246726] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.248508] DMA: [ 292.252774] ? should_fail+0x22d/0xd01 [ 292.254990] 1*4kB [ 292.260526] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 292.262565] (U) [ 292.266448] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.268571] 0*8kB 0*16kB [ 292.273867] ? __lock_acquire+0x62f/0x4c20 [ 292.275820] 1*32kB (U) [ 292.280931] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.283672] 2*64kB [ 292.287901] ? __lock_acquire+0x62f/0x4c20 [ 292.290476] (U) [ 292.295607] ? should_fail+0x22d/0xd01 [ 292.297843] 1*128kB [ 292.302094] ? rcu_irq_exit+0x1a2/0x390 [ 292.304060] (U) [ 292.307949] ? mark_held_locks+0x130/0x130 [ 292.310248] 1*256kB [ 292.314217] ? mark_held_locks+0x130/0x130 [ 292.316185] (U) [ 292.320427] ? mark_held_locks+0xc7/0x130 [ 292.322732] 0*512kB [ 292.326962] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 292.328917] 1*1024kB [ 292.333095] ? zap_class+0x640/0x640 [ 292.335402] (U) [ 292.340442] ? print_usage_bug+0xc0/0xc0 [ 292.342837] 1*2048kB [ 292.346552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.348515] (M) [ 292.352588] ? check_preemption_disabled+0x48/0x280 [ 292.354976] 3*4096kB [ 292.360533] ? __lock_is_held+0xb5/0x140 [ 292.362498] (M) [ 292.367520] __alloc_pages_nodemask+0xa80/0xde0 [ 292.369908] = 15908kB [ 292.373967] ? zap_class+0x640/0x640 [ 292.375923] Node 0 [ 292.380606] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 292.382998] DMA32: [ 292.386720] ? find_held_lock+0x36/0x1c0 [ 292.388930] 4*4kB [ 292.393951] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.396161] (M) [ 292.400223] ? lock_downgrade+0x900/0x900 [ 292.402366] 0*8kB [ 292.407131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.409109] 2*16kB [ 292.413254] cache_grow_begin+0xa5/0x8c0 [ 292.415386] (M) [ 292.420935] ? do_raw_spin_unlock+0xa7/0x330 [ 292.423158] 2*32kB [ 292.427217] fallback_alloc+0x204/0x2e0 [ 292.429173] (UM) [ 292.433585] ____cache_alloc_node+0x1c7/0x1e0 [ 292.435802] 4*64kB [ 292.439783] kmem_cache_alloc_node+0xe3/0x730 [ 292.441835] (UM) [ 292.446328] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.448561] 4*128kB [ 292.453065] __alloc_skb+0x119/0x770 [ 292.455101] (M) [ 292.459361] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 292.461665] 3*256kB [ 292.465377] ? netdev_alloc_frag+0x1f0/0x1f0 [ 292.467336] (M) [ 292.472608] ? lock_downgrade+0x900/0x900 [ 292.474905] 4*512kB (UM) [ 292.479321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.481277] 3*1024kB [ 292.485424] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.488161] (UM) [ 292.493698] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.496099] 3*2048kB [ 292.501546] ? addrconf_rs_timer+0x690/0x690 [ 292.503594] (UM) [ 292.509066] ndisc_alloc_skb+0x144/0x340 [ 292.511442] 3*4096kB [ 292.515850] ndisc_send_rs+0x331/0x6e0 [ 292.517890] (M) [ 292.521948] addrconf_rs_timer+0x314/0x690 [ 292.524338] = 25200kB [ 292.528223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.530184] Node 0 [ 292.534424] call_timer_fn+0x272/0x920 [ 292.536799] Normal: 786*4kB [ 292.541083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.543322] (MEH) [ 292.547210] ? process_timeout+0x40/0x40 [ 292.550206] 440*8kB [ 292.554455] ? __run_timers+0x7da/0xc70 [ 292.556591] (UMEH) [ 292.560675] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.562970] 141*16kB (MEH) [ 292.566951] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.569174] 54*32kB [ 292.573669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.576593] (MEH) [ 292.581100] ? lockdep_hardirqs_on+0x296/0x5b0 [ 292.583402] 14*64kB (UME) [ 292.587669] ? trace_hardirqs_on+0xbd/0x310 [ 292.589798] 1*128kB [ 292.594859] ? kasan_check_read+0x11/0x20 [ 292.597681] (H) [ 292.602002] ? __run_timers+0x7da/0xc70 [ 292.604312] 1*256kB [ 292.608456] ? trace_hardirqs_off_caller+0x310/0x310 [ 292.610411] (H) [ 292.614381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.616685] 2*512kB [ 292.621783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.623751] (H) [ 292.627985] __run_timers+0x7e5/0xc70 [ 292.630305] 1*1024kB [ 292.634557] ? timer_fixup_init+0x70/0x70 [ 292.636508] (U) [ 292.640307] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 292.642690] 0*2048kB 0*4096kB [ 292.646844] ? zap_class+0x640/0x640 [ 292.648803] = 13976kB [ 292.653811] ? enqueue_hrtimer+0x1a5/0x560 [ 292.656988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 292.660704] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 292.663150] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 292.667381] ? find_held_lock+0x36/0x1c0 [ 292.676217] 163 total pagecache pages [ 292.681416] ? zap_class+0x640/0x640 [ 292.689994] 0 pages in swap cache [ 292.694065] ? pvclock_read_flags+0x160/0x160 [ 292.697843] Swap cache stats: add 0, delete 0, find 0/0 [ 292.701552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.705001] Free swap = 0kB [ 292.709502] ? check_preemption_disabled+0x48/0x280 [ 292.714855] Total swap = 0kB [ 292.720407] ? __lock_is_held+0xb5/0x140 [ 292.723412] 1965979 pages RAM [ 292.728425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.731415] 0 pages HighMem/MovableOnly [ 292.731425] 342867 pages reserved [ 292.735481] ? check_preemption_disabled+0x48/0x280 [ 292.738586] 0 pages cma reserved [ 292.744120] run_timer_softirq+0x52/0xb0 [ 292.748150] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.751533] ? rcu_read_lock_sched_held+0x14f/0x180 [ 292.756727] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.759901] __do_softirq+0x308/0xb7e [ 292.763944] syz-fuzzer cpuset= [ 292.770440] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 292.775436] / [ 292.786108] ? lock_downgrade+0x900/0x900 [ 292.789894] mems_allowed=0 [ 292.793092] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 292.811434] ? pvclock_read_flags+0x160/0x160 [ 292.815939] ? lapic_next_event+0x5a/0x90 [ 292.820094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.825640] ? kvm_clock_read+0x18/0x30 [ 292.829620] ? kvm_sched_clock_read+0x9/0x20 [ 292.834045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.839613] ? check_preemption_disabled+0x48/0x280 [ 292.844659] irq_exit+0x17f/0x1c0 [ 292.848171] smp_apic_timer_interrupt+0x1cb/0x760 [ 292.853031] ? smp_reschedule_interrupt+0x109/0x650 [ 292.858067] ? smp_call_function_single_interrupt+0x650/0x650 [ 292.863984] ? interrupt_entry+0xb5/0xc0 [ 292.868104] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.873126] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.878157] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.883043] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.888086] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.893106] ? task_prio+0x50/0x50 [ 292.896650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.902192] ? check_preemption_disabled+0x48/0x280 [ 292.907220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.912079] apic_timer_interrupt+0xf/0x20 [ 292.916309] [ 292.918565] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 292.924452] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 292.943372] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 292.951091] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 292.958360] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 292.965627] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 292.972895] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 292.980160] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 292.987467] ? save_stack+0xa9/0xd0 [ 292.991133] __kmalloc_node_track_caller+0x33/0x70 [ 292.996076] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 293.000852] pskb_expand_head+0x230/0x10f0 [ 293.005121] ? memcpy+0x45/0x50 [ 293.008404] ? __copy_skb_header+0x350/0x6b0 [ 293.012819] ? skb_release_data+0x880/0x880 [ 293.017141] ? __alloc_skb+0x770/0x770 [ 293.021056] ? __lock_is_held+0xb5/0x140 [ 293.025131] ? kasan_check_write+0x14/0x20 [ 293.029366] ? __skb_clone+0x6c7/0xa00 [ 293.033290] ? __copy_skb_header+0x6b0/0x6b0 [ 293.037695] ? kmem_cache_alloc+0x33a/0x730 [ 293.042031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.047586] skb_ensure_writable+0x3dd/0x640 [ 293.052030] ? skb_checksum_setup+0xaa0/0xaa0 [ 293.056554] ? check_preemption_disabled+0x48/0x280 [ 293.061590] ? __this_cpu_preempt_check+0x1c/0x20 [ 293.066699] ? __bpf_redirect+0x54b/0xb20 [ 293.070856] bpf_clone_redirect+0x14a/0x490 [ 293.075198] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 293.080233] ? __sched_text_start+0x8/0x8 [ 293.084388] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.089155] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 293.093748] ? retint_kernel+0x2d/0x2d [ 293.097645] ? find_held_lock+0x36/0x1c0 [ 293.101715] ? lock_acquire+0x1ed/0x520 [ 293.105695] ? bpf_test_run+0x3cb/0x780 [ 293.109676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.115216] ? check_preemption_disabled+0x48/0x280 [ 293.120252] ? kasan_check_read+0x11/0x20 [ 293.124405] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.129686] ? rcu_softirq_qs+0x20/0x20 [ 293.133691] ? preempt_schedule+0x4d/0x60 [ 293.137857] ? ___preempt_schedule+0x16/0x18 [ 293.142302] ? bpf_test_run+0x25d/0x780 [ 293.146301] ? netlink_diag_dump+0x2a0/0x2a0 [ 293.150724] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.156284] ? bpf_test_init.isra.10+0x70/0x100 [ 293.160962] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 293.165727] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 293.170569] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 293.176114] ? fput+0x130/0x1a0 [ 293.179410] ? __bpf_prog_get+0x9b/0x290 [ 293.183488] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 293.188332] ? bpf_prog_test_run+0x130/0x1a0 [ 293.192748] ? __x64_sys_bpf+0x3d8/0x520 [ 293.196811] ? bpf_prog_get+0x20/0x20 [ 293.200636] ? do_syscall_64+0x1b9/0x820 [ 293.204713] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 293.210085] ? syscall_return_slowpath+0x5e0/0x5e0 [ 293.215027] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.220077] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 293.225117] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 293.231793] ? __switch_to_asm+0x40/0x70 [ 293.235857] ? __switch_to_asm+0x34/0x70 [ 293.239946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.244825] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 293.250229] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 293.250336] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 293.256914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.256920] Call Trace: [ 293.256927] [ 293.256947] dump_stack+0x244/0x39d [ 293.256964] ? dump_stack_print_info.cold.1+0x20/0x20 [ 293.263503] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 293.272796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.275360] syz-executor5 cpuset= [ 293.277532] warn_alloc.cold.117+0xb7/0x1bd [ 293.281129] syz5 [ 293.286318] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.296788] mems_allowed=0 [ 293.302350] ? lock_downgrade+0x900/0x900 [ 293.323931] ? trace_hardirqs_off+0xb8/0x310 [ 293.328379] ? trace_hardirqs_off+0xb8/0x310 [ 293.332822] __alloc_pages_slowpath+0x2660/0x2d70 [ 293.337721] ? warn_alloc+0x120/0x120 [ 293.341559] ? warn_alloc+0x120/0x120 [ 293.345393] ? print_usage_bug+0xc0/0xc0 [ 293.349459] ? warn_alloc+0x120/0x120 [ 293.353292] ? print_usage_bug+0xc0/0xc0 [ 293.357368] ? __lock_acquire+0x62f/0x4c20 [ 293.361612] ? __lock_acquire+0x62f/0x4c20 [ 293.365858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.371397] ? should_fail+0x22d/0xd01 [ 293.375288] ? __lock_acquire+0x62f/0x4c20 [ 293.379523] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.384660] ? __lock_acquire+0x62f/0x4c20 [ 293.388904] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.394005] ? __lock_acquire+0x62f/0x4c20 [ 293.398250] ? should_fail+0x22d/0xd01 [ 293.402148] ? mark_held_locks+0x130/0x130 [ 293.406389] ? mark_held_locks+0x130/0x130 [ 293.410639] ? zap_class+0x640/0x640 [ 293.414363] ? print_usage_bug+0xc0/0xc0 [ 293.418430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.423994] ? check_preemption_disabled+0x48/0x280 [ 293.429039] ? __lock_is_held+0xb5/0x140 [ 293.433116] __alloc_pages_nodemask+0xa80/0xde0 [ 293.437803] ? zap_class+0x640/0x640 [ 293.441537] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 293.446593] ? find_held_lock+0x36/0x1c0 [ 293.450668] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.455543] ? lock_downgrade+0x900/0x900 [ 293.459730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.465277] cache_grow_begin+0xa5/0x8c0 [ 293.469340] ? do_raw_spin_unlock+0xa7/0x330 [ 293.473762] fallback_alloc+0x204/0x2e0 [ 293.477751] ____cache_alloc_node+0x1c7/0x1e0 [ 293.482254] kmem_cache_alloc_node+0xe3/0x730 [ 293.486756] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.491004] __alloc_skb+0x119/0x770 [ 293.494739] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 293.500032] ? netdev_alloc_frag+0x1f0/0x1f0 [ 293.504451] ? lock_downgrade+0x900/0x900 [ 293.508614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.514167] ? refcount_sub_and_test_checked+0x203/0x310 [ 293.519641] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 293.525130] ? addrconf_rs_timer+0x690/0x690 [ 293.529593] ndisc_alloc_skb+0x144/0x340 [ 293.533667] ndisc_send_rs+0x331/0x6e0 [ 293.537572] addrconf_rs_timer+0x314/0x690 [ 293.541822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.546086] call_timer_fn+0x272/0x920 [ 293.549986] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.554245] ? process_timeout+0x40/0x40 [ 293.558327] ? mark_held_locks+0xc7/0x130 [ 293.563017] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.567530] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.572040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.576282] ? lockdep_hardirqs_on+0x296/0x5b0 [ 293.580870] ? trace_hardirqs_on+0xbd/0x310 [ 293.585195] ? kasan_check_read+0x11/0x20 [ 293.589349] ? __run_timers+0x7da/0xc70 [ 293.593330] ? trace_hardirqs_off_caller+0x310/0x310 [ 293.598473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.602749] __run_timers+0x7e5/0xc70 [ 293.606586] ? timer_fixup_init+0x70/0x70 [ 293.610742] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 293.615763] ? zap_class+0x640/0x640 [ 293.619483] ? print_usage_bug+0xc0/0xc0 [ 293.623554] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 293.628756] ? find_held_lock+0x36/0x1c0 [ 293.632822] ? zap_class+0x640/0x640 [ 293.636544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.642094] ? check_preemption_disabled+0x48/0x280 [ 293.647125] ? __lock_is_held+0xb5/0x140 [ 293.651191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.656729] ? check_preemption_disabled+0x48/0x280 [ 293.661763] run_timer_softirq+0x52/0xb0 [ 293.665847] ? rcu_read_lock_sched_held+0x14f/0x180 [ 293.670867] __do_softirq+0x308/0xb7e [ 293.674688] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 293.679210] ? lock_downgrade+0x900/0x900 [ 293.683360] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 293.688473] ? pvclock_read_flags+0x160/0x160 [ 293.692978] ? lapic_next_event+0x5a/0x90 [ 293.697136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.702681] ? kvm_clock_read+0x18/0x30 [ 293.706654] ? kvm_sched_clock_read+0x9/0x20 [ 293.711081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.716623] ? check_preemption_disabled+0x48/0x280 [ 293.721649] irq_exit+0x17f/0x1c0 [ 293.725106] smp_apic_timer_interrupt+0x1cb/0x760 [ 293.729950] ? smp_reschedule_interrupt+0x109/0x650 [ 293.734969] ? smp_call_function_single_interrupt+0x650/0x650 [ 293.740858] ? interrupt_entry+0xb5/0xc0 [ 293.744923] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.749936] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.754941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.759776] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.764797] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.769817] ? task_prio+0x50/0x50 [ 293.773362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.778902] ? check_preemption_disabled+0x48/0x280 [ 293.783924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.788778] apic_timer_interrupt+0xf/0x20 [ 293.793001] [ 293.795244] RIP: 0010:console_unlock+0xffa/0x1160 [ 293.800093] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 293.819005] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 293.826727] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 293.833997] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 293.841273] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 293.848554] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 293.855819] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 293.863100] ? netconsole_netdev_event+0x280/0x280 [ 293.868048] ? console_unlock+0xff1/0x1160 [ 293.872322] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 293.877017] ? lock_release+0xa00/0xa00 [ 293.881035] ? interrupt_entry+0xc0/0xc0 [ 293.885117] vprintk_emit+0x33d/0x930 [ 293.888929] ? wake_up_klogd+0x180/0x180 [ 293.893011] ? attach_entity_load_avg+0x810/0x860 [ 293.897863] ? __lock_acquire+0x600/0x4c20 [ 293.902112] ? mark_held_locks+0x130/0x130 [ 293.906347] ? print_usage_bug+0xc0/0xc0 [ 293.910415] ? find_held_lock+0x36/0x1c0 [ 293.914664] ? mark_held_locks+0xc7/0x130 [ 293.918831] vprintk_default+0x28/0x30 [ 293.922728] vprintk_func+0x7e/0x181 [ 293.926456] printk+0xa7/0xcf [ 293.929583] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 293.934357] show_free_areas.cold.118+0x1f34/0x215d [ 293.939406] ? si_meminfo_node+0x260/0x260 [ 293.943654] ? __lock_acquire+0x62f/0x4c20 [ 293.947895] ? __lock_acquire+0x62f/0x4c20 [ 293.952130] ? __lock_is_held+0xb5/0x140 [ 293.956213] ? mark_held_locks+0x130/0x130 [ 293.960465] ? zap_class+0x640/0x640 [ 293.964184] ? put_dec+0x3b/0xf0 [ 293.967563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.973113] ? find_held_lock+0x36/0x1c0 [ 293.977192] ? serial8250_console_write+0x8b3/0xb10 [ 293.982213] ? lock_downgrade+0x900/0x900 [ 293.986373] ? zap_class+0x640/0x640 [ 293.990092] ? zap_class+0x640/0x640 [ 293.993809] ? print_usage_bug+0xc0/0xc0 [ 293.997898] ? do_raw_spin_unlock+0xa7/0x330 [ 294.002312] ? trace_hardirqs_on+0x310/0x310 [ 294.006740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.012287] ? find_held_lock+0x36/0x1c0 [ 294.016359] ? mark_held_locks+0xc7/0x130 [ 294.020514] ? console_unlock+0xfcd/0x1160 [ 294.024755] ? netconsole_netdev_event+0x280/0x280 [ 294.029687] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 294.034274] ? trace_hardirqs_on+0xbd/0x310 [ 294.038601] ? vprintk_emit+0x33d/0x930 [ 294.042581] ? trace_hardirqs_off_caller+0x310/0x310 [ 294.047693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.053243] ? netconsole_netdev_event+0x280/0x280 [ 294.058178] ? console_unlock+0x8d8/0x1160 [ 294.062426] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 294.067105] ? vprintk_emit+0x7f7/0x930 [ 294.071084] ? lock_release+0xa00/0xa00 [ 294.075064] ? preempt_count_add+0xbc/0x1b0 [ 294.079396] ? wake_up_klogd+0x11a/0x180 [ 294.083458] ? console_device+0xc0/0xc0 [ 294.087435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.092981] ? vprintk_emit+0x268/0x930 [ 294.096958] ? wake_up_klogd+0x180/0x180 [ 294.101027] ? trace_hardirqs_on_caller+0xc0/0x310 [ 294.105964] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.110731] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.116184] ? retint_kernel+0x1b/0x2d [ 294.120080] ? trace_hardirqs_on+0x310/0x310 [ 294.124502] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.129280] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 294.134051] ? show_mem+0x1e/0x17b [ 294.137612] show_mem+0x34/0x17b [ 294.140985] dump_header+0x2f1/0xf72 [ 294.144707] ? mark_held_locks+0x130/0x130 [ 294.148942] ? pagefault_out_of_memory+0x197/0x197 [ 294.153878] ? __lock_acquire+0x62f/0x4c20 [ 294.158114] ? zap_class+0x640/0x640 [ 294.161835] ? percpu_ref_get_many+0x240/0x240 [ 294.166422] ? print_usage_bug+0xc0/0xc0 [ 294.170495] ? print_usage_bug+0xc0/0xc0 [ 294.174582] ? zap_class+0x640/0x640 [ 294.178297] ? print_usage_bug+0xc0/0xc0 [ 294.182370] ? print_usage_bug+0xc0/0xc0 [ 294.186450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.191991] ? find_held_lock+0x36/0x1c0 [ 294.196070] ? mark_held_locks+0xc7/0x130 [ 294.200239] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 294.205345] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 294.210450] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 294.215041] ? trace_hardirqs_on+0xbd/0x310 [ 294.219385] ? kasan_check_read+0x11/0x20 [ 294.223533] ? ___ratelimit+0x3b4/0x672 [ 294.227512] ? trace_hardirqs_off_caller+0x310/0x310 [ 294.232635] ? trace_hardirqs_on+0x310/0x310 [ 294.237054] ? lock_downgrade+0x900/0x900 [ 294.241223] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 294.246348] ? ___ratelimit+0x3b9/0x672 [ 294.250348] ? idr_get_free+0xec0/0xec0 [ 294.254321] ? kasan_check_read+0x11/0x20 [ 294.258465] ? do_raw_spin_unlock+0xa7/0x330 [ 294.262884] oom_kill_process.cold.27+0x10/0x903 [ 294.267647] ? zap_class+0x640/0x640 [ 294.271370] ? _raw_spin_unlock+0x2c/0x50 [ 294.275525] ? oom_badness+0xe6/0xaa0 [ 294.279337] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 294.284269] ? kasan_check_read+0x11/0x20 [ 294.288446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.293727] ? oom_evaluate_task+0x540/0x540 [ 294.298144] ? find_held_lock+0x36/0x1c0 [ 294.302217] ? out_of_memory+0x974/0x1430 [ 294.306366] ? lock_downgrade+0x900/0x900 [ 294.310530] ? check_preemption_disabled+0x48/0x280 [ 294.315571] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 294.320501] ? kasan_check_read+0x11/0x20 [ 294.324670] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.329949] ? rcu_softirq_qs+0x20/0x20 [ 294.333927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.339461] ? oom_evaluate_task+0x302/0x540 [ 294.343877] out_of_memory+0xa84/0x1430 [ 294.347859] ? oom_killer_disable+0x3a0/0x3a0 [ 294.352379] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 294.357309] ? __mutex_add_waiter+0x2a0/0x2a0 [ 294.361819] __alloc_pages_slowpath+0x22d4/0x2d70 [ 294.366705] ? warn_alloc+0x120/0x120 [ 294.370520] ? rcu_softirq_qs+0x20/0x20 [ 294.374525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.380071] ? should_fail+0x22d/0xd01 [ 294.383965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.389070] ? zap_class+0x640/0x640 [ 294.392812] ? __lock_is_held+0xb5/0x140 [ 294.396886] ? mark_held_locks+0x130/0x130 [ 294.401123] ? lock_release+0xa00/0xa00 [ 294.405111] ? perf_trace_sched_process_exec+0x860/0x860 [ 294.410604] ? __might_sleep+0x95/0x190 [ 294.414586] __alloc_pages_nodemask+0xa80/0xde0 [ 294.419262] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 294.424286] ? __page_cache_alloc+0x191/0x5c0 [ 294.428783] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 294.433713] ? kasan_check_read+0x11/0x20 [ 294.437873] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.443153] ? zap_class+0x640/0x640 [ 294.446898] ? zap_class+0x640/0x640 [ 294.450610] ? zap_class+0x640/0x640 [ 294.454334] ? __do_page_cache_readahead+0x7ce/0x980 [ 294.459448] ? find_held_lock+0x36/0x1c0 [ 294.463518] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 294.469071] alloc_pages_current+0x173/0x350 [ 294.473500] __page_cache_alloc+0x38c/0x5c0 [ 294.477831] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 294.482791] ? kasan_check_read+0x11/0x20 [ 294.486943] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.492225] ? generic_perform_write+0x6a0/0x6a0 [ 294.496981] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.502556] ? check_preemption_disabled+0x48/0x280 [ 294.507589] filemap_fault+0x1594/0x25f0 [ 294.511663] ? __lock_page_or_retry+0xa00/0xa00 [ 294.516335] ? mark_held_locks+0x130/0x130 [ 294.520796] ? rcu_softirq_qs+0x20/0x20 [ 294.524783] ? filemap_map_pages+0xe04/0x1990 [ 294.529309] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 294.534246] ? futex_wait_setup+0x15c/0x3e0 [ 294.538577] ? zap_class+0x640/0x640 [ 294.542304] ? lock_acquire+0x1ed/0x520 [ 294.546297] ? alloc_set_pte+0x1447/0x1f40 [ 294.550557] ? lock_acquire+0x1ed/0x520 [ 294.554535] ? ext4_filemap_fault+0x7a/0xad [ 294.558871] ? lock_release+0xa00/0xa00 [ 294.562850] ? perf_trace_sched_process_exec+0x860/0x860 [ 294.568312] ? print_usage_bug+0xc0/0xc0 [ 294.572379] ? print_usage_bug+0xc0/0xc0 [ 294.576457] ? down_read+0x8d/0x120 [ 294.580086] ? ext4_filemap_fault+0x7a/0xad [ 294.584420] ? __down_interruptible+0x700/0x700 [ 294.589100] ext4_filemap_fault+0x82/0xad [ 294.593259] __do_fault+0x100/0x6b0 [ 294.596894] ? unlock_page+0x2c2/0x4c0 [ 294.600789] ? pmd_devmap_trans_unstable+0x220/0x220 [ 294.605900] ? mark_held_locks+0x130/0x130 [ 294.610142] ? mark_held_locks+0x130/0x130 [ 294.614379] ? do_raw_spin_trylock+0x270/0x270 [ 294.618977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.624534] __handle_mm_fault+0x307c/0x5920 [ 294.628959] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 294.633825] ? kasan_check_read+0x11/0x20 [ 294.637989] ? _copy_to_user+0xc8/0x110 [ 294.641986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.647541] ? zap_class+0x640/0x640 [ 294.651267] ? zap_class+0x640/0x640 [ 294.654987] ? find_held_lock+0x36/0x1c0 [ 294.659085] ? handle_mm_fault+0x42a/0xc70 [ 294.663325] ? lock_downgrade+0x900/0x900 [ 294.667476] ? check_preemption_disabled+0x48/0x280 [ 294.672515] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 294.677447] ? kasan_check_read+0x11/0x20 [ 294.681598] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 294.686878] ? rcu_softirq_qs+0x20/0x20 [ 294.690854] ? trace_hardirqs_off_caller+0x310/0x310 [ 294.695961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.701500] ? check_preemption_disabled+0x48/0x280 [ 294.706539] handle_mm_fault+0x54f/0xc70 [ 294.710624] ? __handle_mm_fault+0x5920/0x5920 [ 294.715215] ? find_vma+0x34/0x190 [ 294.718766] __do_page_fault+0x5e8/0xe60 [ 294.722827] ? trace_hardirqs_off+0xb8/0x310 [ 294.727239] ? __ia32_sys_read+0xb0/0xb0 [ 294.731313] do_page_fault+0xf2/0x7e0 [ 294.735117] ? vmalloc_sync_all+0x30/0x30 [ 294.739274] ? error_entry+0x70/0xd0 [ 294.742991] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.748013] ? trace_hardirqs_on_caller+0xc0/0x310 [ 294.752956] ? syscall_return_slowpath+0x5e0/0x5e0 [ 294.757887] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.762731] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.767747] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.773205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.778747] ? prepare_exit_to_usermode+0x291/0x3b0 [ 294.783769] ? page_fault+0x8/0x30 [ 294.787313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.792164] ? page_fault+0x8/0x30 [ 294.795711] page_fault+0x1e/0x30 [ 294.799166] RIP: 0033:0x4727a0 [ 294.802381] Code: Bad RIP value. [ 294.805744] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 294.811114] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 294.818389] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 294.825665] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 294.832931] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 294.840214] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 294.847505] warn_alloc_show_mem: 1 callbacks suppressed [ 294.847518] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 294.847520] Mem-Info: [ 294.847561] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 294.847561] active_file:12 inactive_file:13 isolated_file:0 [ 294.847561] unevictable:0 dirty:0 writeback:0 unstable:0 [ 294.847561] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 294.847561] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 294.847561] free:13771 free_pcp:124 free_cma:0 [ 294.852900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.859835] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 294.862241] Call Trace: [ 294.895117] Node 0 [ 294.904475] [ 294.931905] 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 [ 294.934471] dump_stack+0x244/0x39d [ 294.936677] lowmem_reserve[]: 0 [ 294.938859] ? dump_stack_print_info.cold.1+0x20/0x20 [ 294.964373] 2818 6321 [ 294.968045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.971297] 6321 [ 294.976493] warn_alloc.cold.117+0xb7/0x1bd [ 294.984510] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.986554] Node 0 [ 294.990892] ? lock_downgrade+0x900/0x900 [ 294.995735] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 294.997949] ? trace_hardirqs_off+0xb8/0x310 [ 295.002079] lowmem_reserve[]: [ 295.029082] ? trace_hardirqs_off+0xb8/0x310 [ 295.033467] 0 [ 295.036576] __alloc_pages_slowpath+0x2660/0x2d70 [ 295.040958] 0 [ 295.042781] ? warn_alloc+0x120/0x120 [ 295.047578] 3503 [ 295.049383] ? warn_alloc+0x120/0x120 [ 295.053205] 3503 [ 295.055282] ? print_usage_bug+0xc0/0xc0 [ 295.061153] ? warn_alloc+0x120/0x120 [ 295.065197] Node 0 [ 295.068992] ? print_usage_bug+0xc0/0xc0 [ 295.069045] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 295.069059] lowmem_reserve[]: [ 295.071298] ? __lock_acquire+0x62f/0x4c20 [ 295.075330] 0 0 [ 295.103448] ? __lock_acquire+0x62f/0x4c20 [ 295.106564] 0 [ 295.110793] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.112745] 0 [ 295.116987] ? should_fail+0x22d/0xd01 [ 295.124305] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.126089] Node 0 [ 295.129998] ? __lock_acquire+0x62f/0x4c20 [ 295.135080] DMA: [ 295.137329] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.141542] 1*4kB [ 295.143606] ? __lock_acquire+0x62f/0x4c20 [ 295.148690] (U) [ 295.150836] ? should_fail+0x22d/0xd01 [ 295.155079] 0*8kB [ 295.157077] ? find_held_lock+0x36/0x1c0 [ 295.160975] 0*16kB [ 295.163124] ? mark_held_locks+0x130/0x130 [ 295.167164] 1*32kB [ 295.169397] ? mark_held_locks+0x130/0x130 [ 295.173610] (U) [ 295.175843] ? zap_class+0x640/0x640 [ 295.180050] 2*64kB (U) [ 295.182062] ? zap_class+0x640/0x640 [ 295.185751] 1*128kB [ 295.188337] ? print_usage_bug+0xc0/0xc0 [ 295.192037] (U) [ 295.194380] ? do_raw_spin_unlock+0xa7/0x330 [ 295.198419] 1*256kB [ 295.200391] ? zap_class+0x640/0x640 [ 295.204792] (U) [ 295.207114] ? print_usage_bug+0xc0/0xc0 [ 295.210808] 0*512kB [ 295.212783] ? wq_watchdog_touch+0x9c/0xfe [ 295.216824] 1*1024kB [ 295.219161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.223372] (U) [ 295.225783] ? check_preemption_disabled+0x48/0x280 [ 295.231298] 1*2048kB [ 295.233280] ? __lock_is_held+0xb5/0x140 [ 295.238263] (M) 3*4096kB [ 295.240685] __alloc_pages_nodemask+0xa80/0xde0 [ 295.244718] (M) [ 295.247475] ? zap_class+0x640/0x640 [ 295.252121] = 15908kB [ 295.252130] Node 0 [ 295.254109] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 295.257800] DMA32: [ 295.260218] ? find_held_lock+0x36/0x1c0 [ 295.262433] 4*4kB [ 295.267456] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.269665] (M) [ 295.273730] ? lock_downgrade+0x900/0x900 [ 295.275859] 0*8kB [ 295.280530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.282477] 2*16kB (M) [ 295.286637] cache_grow_begin+0xa5/0x8c0 [ 295.288771] 2*32kB [ 295.294305] ? do_raw_spin_unlock+0xa7/0x330 [ 295.296884] (UM) [ 295.300945] fallback_alloc+0x204/0x2e0 [ 295.303160] 4*64kB [ 295.307584] ____cache_alloc_node+0x1c7/0x1e0 [ 295.309627] (UM) [ 295.313624] kmem_cache_alloc_node+0xe3/0x730 [ 295.315839] 4*128kB [ 295.320342] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.322386] (M) [ 295.326883] __alloc_skb+0x119/0x770 [ 295.329183] 3*256kB [ 295.333417] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 295.335367] (M) [ 295.339079] ? netdev_alloc_frag+0x1f0/0x1f0 [ 295.341382] 4*512kB [ 295.346655] ? lock_downgrade+0x900/0x900 [ 295.348610] (UM) [ 295.353032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.355328] 3*1024kB [ 295.359477] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.361519] (UM) [ 295.367064] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.369449] 3*2048kB [ 295.374909] ? addrconf_rs_timer+0x690/0x690 [ 295.376951] (UM) [ 295.382409] ndisc_alloc_skb+0x144/0x340 [ 295.384795] 3*4096kB [ 295.389202] ndisc_send_rs+0x331/0x6e0 [ 295.391244] (M) [ 295.395307] addrconf_rs_timer+0x314/0x690 [ 295.397690] = 25200kB [ 295.397699] Node 0 [ 295.401588] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.403545] Normal: [ 295.407791] call_timer_fn+0x272/0x920 [ 295.410174] 786*4kB [ 295.412411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.416629] (MEH) [ 295.418951] ? process_timeout+0x40/0x40 [ 295.422808] 440*8kB (UMEH) [ 295.425157] ? __run_timers+0x7da/0xc70 [ 295.429378] 141*16kB [ 295.431530] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.435602] (MEH) [ 295.438534] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.442496] 54*32kB [ 295.444905] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.449378] (MEH) [ 295.451529] ? lockdep_hardirqs_on+0x296/0x5b0 [ 295.456237] 14*64kB (UME) [ 295.458578] ? trace_hardirqs_on+0xbd/0x310 [ 295.462787] 1*128kB (H) [ 295.464951] ? kasan_check_read+0x11/0x20 [ 295.469500] 1*256kB (H) [ 295.472356] ? __run_timers+0x7da/0xc70 [ 295.476659] 2*512kB [ 295.479330] ? trace_hardirqs_off_caller+0x310/0x310 [ 295.483454] (H) 1*1024kB [ 295.486135] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.490087] (U) [ 295.492414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.497497] 0*2048kB [ 295.500251] __run_timers+0x7e5/0xc70 [ 295.504467] 0*4096kB [ 295.506450] ? timer_fixup_init+0x70/0x70 [ 295.510655] = 13976kB [ 295.513074] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.516866] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 295.519270] ? zap_class+0x640/0x640 [ 295.523405] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 295.525806] ? enqueue_hrtimer+0x1a5/0x560 [ 295.530819] 163 total pagecache pages [ 295.539650] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 295.543352] 0 pages in swap cache [ 295.551940] ? find_held_lock+0x36/0x1c0 [ 295.556164] Swap cache stats: add 0, delete 0, find 0/0 [ 295.559983] ? zap_class+0x640/0x640 [ 295.565671] Free swap = 0kB [ 295.565681] Total swap = 0kB [ 295.569164] ? pvclock_read_flags+0x160/0x160 [ 295.573202] 1965979 pages RAM [ 295.578566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.578585] ? check_preemption_disabled+0x48/0x280 [ 295.582280] 0 pages HighMem/MovableOnly [ 295.585304] ? __lock_is_held+0xb5/0x140 [ 295.588304] 342867 pages reserved [ 295.592828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.595912] 0 pages cma reserved [ 295.601448] ? check_preemption_disabled+0x48/0x280 [ 295.606517] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 295.610416] run_timer_softirq+0x52/0xb0 [ 295.614564] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 295.617942] ? rcu_read_lock_sched_held+0x14f/0x180 [ 295.623455] syz-fuzzer cpuset= [ 295.626818] __do_softirq+0x308/0xb7e [ 295.631812] / [ 295.638304] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 295.642348] mems_allowed=0 [ 295.652565] ? lock_downgrade+0x900/0x900 [ 295.652583] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 295.682895] ? pvclock_read_flags+0x160/0x160 [ 295.687395] ? lapic_next_event+0x5a/0x90 [ 295.691561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.697119] ? kvm_clock_read+0x18/0x30 [ 295.701101] ? kvm_sched_clock_read+0x9/0x20 [ 295.705513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.711070] ? check_preemption_disabled+0x48/0x280 [ 295.716099] irq_exit+0x17f/0x1c0 [ 295.719555] smp_apic_timer_interrupt+0x1cb/0x760 [ 295.724405] ? smp_reschedule_interrupt+0x109/0x650 [ 295.729424] ? smp_call_function_single_interrupt+0x650/0x650 [ 295.735320] ? interrupt_entry+0xb5/0xc0 [ 295.739383] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.744399] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.749420] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.754283] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.759300] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.764320] ? task_prio+0x50/0x50 [ 295.767867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.773413] ? check_preemption_disabled+0x48/0x280 [ 295.778445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.783309] apic_timer_interrupt+0xf/0x20 [ 295.787548] [ 295.789798] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 295.795693] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 295.814617] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 295.822341] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 295.829622] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 295.836908] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 295.844174] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 295.851443] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 295.858779] ? save_stack+0xa9/0xd0 [ 295.862426] __kmalloc_node_track_caller+0x33/0x70 [ 295.867365] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 295.872135] pskb_expand_head+0x230/0x10f0 [ 295.876380] ? memcpy+0x45/0x50 [ 295.879666] ? __copy_skb_header+0x350/0x6b0 [ 295.884082] ? skb_release_data+0x880/0x880 [ 295.888404] ? __alloc_skb+0x770/0x770 [ 295.892305] ? __lock_is_held+0xb5/0x140 [ 295.896374] ? kasan_check_write+0x14/0x20 [ 295.900607] ? __skb_clone+0x6c7/0xa00 [ 295.904500] ? __copy_skb_header+0x6b0/0x6b0 [ 295.908913] ? kmem_cache_alloc+0x33a/0x730 [ 295.913253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.918797] skb_ensure_writable+0x3dd/0x640 [ 295.923210] ? skb_checksum_setup+0xaa0/0xaa0 [ 295.927713] ? check_preemption_disabled+0x48/0x280 [ 295.932735] ? __this_cpu_preempt_check+0x1c/0x20 [ 295.937582] ? __bpf_redirect+0x54b/0xb20 [ 295.941742] bpf_clone_redirect+0x14a/0x490 [ 295.946078] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 295.951098] ? __sched_text_start+0x8/0x8 [ 295.956074] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 295.960838] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 295.965422] ? retint_kernel+0x2d/0x2d [ 295.969404] ? find_held_lock+0x36/0x1c0 [ 295.973486] ? lock_acquire+0x1ed/0x520 [ 295.977464] ? bpf_test_run+0x3cb/0x780 [ 295.981445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.986994] ? check_preemption_disabled+0x48/0x280 [ 295.992034] ? kasan_check_read+0x11/0x20 [ 295.996198] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 296.001479] ? rcu_softirq_qs+0x20/0x20 [ 296.005480] ? preempt_schedule+0x4d/0x60 [ 296.009640] ? ___preempt_schedule+0x16/0x18 [ 296.014070] ? bpf_test_run+0x25d/0x780 [ 296.018071] ? netlink_diag_dump+0x2a0/0x2a0 [ 296.022490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.028036] ? bpf_test_init.isra.10+0x70/0x100 [ 296.032737] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 296.037521] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 296.042366] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.047904] ? fput+0x130/0x1a0 [ 296.051192] ? __bpf_prog_get+0x9b/0x290 [ 296.055256] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 296.060103] ? bpf_prog_test_run+0x130/0x1a0 [ 296.064518] ? __x64_sys_bpf+0x3d8/0x520 [ 296.068583] ? bpf_prog_get+0x20/0x20 [ 296.072409] ? do_syscall_64+0x1b9/0x820 [ 296.076498] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 296.081865] ? syscall_return_slowpath+0x5e0/0x5e0 [ 296.086800] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.091822] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 296.096843] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 296.103516] ? __switch_to_asm+0x40/0x70 [ 296.107580] ? __switch_to_asm+0x34/0x70 [ 296.111648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.116505] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 296.121893] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 296.121980] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.128575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.128581] Call Trace: [ 296.128588] [ 296.128606] dump_stack+0x244/0x39d [ 296.128629] ? dump_stack_print_info.cold.1+0x20/0x20 [ 296.135200] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.144481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.147055] syz-executor5 cpuset= [ 296.149212] warn_alloc.cold.117+0xb7/0x1bd [ 296.152814] syz5 [ 296.158003] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.168480] mems_allowed=0 [ 296.174046] ? lock_downgrade+0x900/0x900 [ 296.195647] ? trace_hardirqs_off+0xb8/0x310 [ 296.200069] ? trace_hardirqs_off+0xb8/0x310 [ 296.204489] __alloc_pages_slowpath+0x2660/0x2d70 [ 296.209383] ? warn_alloc+0x120/0x120 [ 296.213199] ? warn_alloc+0x120/0x120 [ 296.217007] ? print_usage_bug+0xc0/0xc0 [ 296.221078] ? warn_alloc+0x120/0x120 [ 296.224884] ? print_usage_bug+0xc0/0xc0 [ 296.228949] ? __lock_acquire+0x62f/0x4c20 [ 296.233191] ? __lock_acquire+0x62f/0x4c20 [ 296.237434] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.242977] ? should_fail+0x22d/0xd01 [ 296.246869] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 296.252151] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.257256] ? __lock_acquire+0x62f/0x4c20 [ 296.261502] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.266633] ? __lock_acquire+0x62f/0x4c20 [ 296.270867] ? should_fail+0x22d/0xd01 [ 296.274756] ? rcu_irq_exit+0x1a2/0x390 [ 296.278744] ? mark_held_locks+0x130/0x130 [ 296.282991] ? mark_held_locks+0x130/0x130 [ 296.287252] ? mark_held_locks+0xc7/0x130 [ 296.291406] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 296.296425] ? zap_class+0x640/0x640 [ 296.300141] ? print_usage_bug+0xc0/0xc0 [ 296.304214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.309760] ? check_preemption_disabled+0x48/0x280 [ 296.314804] ? __lock_is_held+0xb5/0x140 [ 296.318878] __alloc_pages_nodemask+0xa80/0xde0 [ 296.323553] ? zap_class+0x640/0x640 [ 296.327276] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 296.332335] ? find_held_lock+0x36/0x1c0 [ 296.336415] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.341089] ? lock_downgrade+0x900/0x900 [ 296.345253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.350801] cache_grow_begin+0xa5/0x8c0 [ 296.354875] ? do_raw_spin_unlock+0xa7/0x330 [ 296.359296] fallback_alloc+0x204/0x2e0 [ 296.363281] ____cache_alloc_node+0x1c7/0x1e0 [ 296.367797] kmem_cache_alloc_node+0xe3/0x730 [ 296.372298] ? ipv6_get_ifaddr+0x42e/0x620 [ 296.376545] __alloc_skb+0x119/0x770 [ 296.380270] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 296.385558] ? netdev_alloc_frag+0x1f0/0x1f0 [ 296.389970] ? lock_downgrade+0x900/0x900 [ 296.394129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.399669] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.405131] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.410586] ? addrconf_rs_timer+0x690/0x690 [ 296.415007] ndisc_alloc_skb+0x144/0x340 [ 296.419084] ndisc_send_rs+0x331/0x6e0 [ 296.422979] addrconf_rs_timer+0x314/0x690 [ 296.427220] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.431476] call_timer_fn+0x272/0x920 [ 296.435367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.439607] ? process_timeout+0x40/0x40 [ 296.443681] ? mark_held_locks+0xc7/0x130 [ 296.447839] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.452341] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.456836] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.461074] ? lockdep_hardirqs_on+0x296/0x5b0 [ 296.465662] ? trace_hardirqs_on+0xbd/0x310 [ 296.469991] ? kasan_check_read+0x11/0x20 [ 296.474154] ? __run_timers+0x7da/0xc70 [ 296.478134] ? trace_hardirqs_off_caller+0x310/0x310 [ 296.483243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.487484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.491736] __run_timers+0x7e5/0xc70 [ 296.495558] ? timer_fixup_init+0x70/0x70 [ 296.499715] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.504736] ? zap_class+0x640/0x640 [ 296.508463] ? print_usage_bug+0xc0/0xc0 [ 296.512529] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.517751] ? find_held_lock+0x36/0x1c0 [ 296.521833] ? zap_class+0x640/0x640 [ 296.525562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.531105] ? check_preemption_disabled+0x48/0x280 [ 296.536143] ? __lock_is_held+0xb5/0x140 [ 296.540209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.545747] ? check_preemption_disabled+0x48/0x280 [ 296.550774] run_timer_softirq+0x52/0xb0 [ 296.554852] ? rcu_read_lock_sched_held+0x14f/0x180 [ 296.559873] __do_softirq+0x308/0xb7e [ 296.563686] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 296.568183] ? lock_downgrade+0x900/0x900 [ 296.572336] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 296.577451] ? pvclock_read_flags+0x160/0x160 [ 296.581952] ? lapic_next_event+0x5a/0x90 [ 296.586111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.591659] ? kvm_clock_read+0x18/0x30 [ 296.595636] ? kvm_sched_clock_read+0x9/0x20 [ 296.600084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.605628] ? check_preemption_disabled+0x48/0x280 [ 296.610656] irq_exit+0x17f/0x1c0 [ 296.614123] smp_apic_timer_interrupt+0x1cb/0x760 [ 296.618964] ? smp_reschedule_interrupt+0x109/0x650 [ 296.623983] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.629877] ? interrupt_entry+0xb5/0xc0 [ 296.633950] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.638965] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.644006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.648864] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.653880] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.658899] ? task_prio+0x50/0x50 [ 296.662446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.667986] ? check_preemption_disabled+0x48/0x280 [ 296.673027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.677886] apic_timer_interrupt+0xf/0x20 [ 296.682128] [ 296.684388] RIP: 0010:console_unlock+0xffa/0x1160 [ 296.689235] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 296.708143] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 296.715864] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 296.723152] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 296.730425] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 296.737717] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 296.744994] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 296.752285] ? netconsole_netdev_event+0x280/0x280 [ 296.757227] ? console_unlock+0xff1/0x1160 [ 296.761487] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 296.766169] ? lock_release+0xa00/0xa00 [ 296.770172] ? interrupt_entry+0xc0/0xc0 [ 296.774254] vprintk_emit+0x33d/0x930 [ 296.778067] ? wake_up_klogd+0x180/0x180 [ 296.782135] ? attach_entity_load_avg+0x810/0x860 [ 296.786976] ? __lock_acquire+0x600/0x4c20 [ 296.791219] ? mark_held_locks+0x130/0x130 [ 296.795453] ? print_usage_bug+0xc0/0xc0 [ 296.799523] ? find_held_lock+0x36/0x1c0 [ 296.803614] ? mark_held_locks+0xc7/0x130 [ 296.807775] vprintk_default+0x28/0x30 [ 296.811668] vprintk_func+0x7e/0x181 [ 296.815386] printk+0xa7/0xcf [ 296.818495] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 296.823274] show_free_areas.cold.118+0x1f34/0x215d [ 296.828319] ? si_meminfo_node+0x260/0x260 [ 296.832572] ? __lock_acquire+0x62f/0x4c20 [ 296.836824] ? __lock_acquire+0x62f/0x4c20 [ 296.841062] ? __lock_is_held+0xb5/0x140 [ 296.845159] ? mark_held_locks+0x130/0x130 [ 296.849400] ? zap_class+0x640/0x640 [ 296.853132] ? put_dec+0x3b/0xf0 [ 296.856507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.862063] ? find_held_lock+0x36/0x1c0 [ 296.866143] ? serial8250_console_write+0x8b3/0xb10 [ 296.871165] ? lock_downgrade+0x900/0x900 [ 296.875315] ? zap_class+0x640/0x640 [ 296.879040] ? zap_class+0x640/0x640 [ 296.882760] ? print_usage_bug+0xc0/0xc0 [ 296.886836] ? do_raw_spin_unlock+0xa7/0x330 [ 296.891255] ? trace_hardirqs_on+0x310/0x310 [ 296.895670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.901220] ? find_held_lock+0x36/0x1c0 [ 296.905293] ? mark_held_locks+0xc7/0x130 [ 296.909460] ? console_unlock+0xfcd/0x1160 [ 296.913695] ? netconsole_netdev_event+0x280/0x280 [ 296.918631] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 296.923220] ? trace_hardirqs_on+0xbd/0x310 [ 296.927543] ? vprintk_emit+0x33d/0x930 [ 296.931529] ? trace_hardirqs_off_caller+0x310/0x310 [ 296.936648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.942195] ? netconsole_netdev_event+0x280/0x280 [ 296.947135] ? console_unlock+0x8d8/0x1160 [ 296.951387] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 296.956069] ? vprintk_emit+0x7f7/0x930 [ 296.960061] ? lock_release+0xa00/0xa00 [ 296.964050] ? preempt_count_add+0xbc/0x1b0 [ 296.968400] ? wake_up_klogd+0x11a/0x180 [ 296.972467] ? console_device+0xc0/0xc0 [ 296.976441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.981990] ? vprintk_emit+0x268/0x930 [ 296.985977] ? wake_up_klogd+0x180/0x180 [ 296.990045] ? trace_hardirqs_on_caller+0xc0/0x310 [ 296.995006] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 296.999807] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.005263] ? retint_kernel+0x1b/0x2d [ 297.009153] ? trace_hardirqs_on+0x310/0x310 [ 297.013578] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.018364] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 297.023129] ? show_mem+0x1e/0x17b [ 297.026694] show_mem+0x34/0x17b [ 297.030092] dump_header+0x2f1/0xf72 [ 297.033813] ? mark_held_locks+0x130/0x130 [ 297.038056] ? pagefault_out_of_memory+0x197/0x197 [ 297.043003] ? __lock_acquire+0x62f/0x4c20 [ 297.047271] ? zap_class+0x640/0x640 [ 297.050993] ? percpu_ref_get_many+0x240/0x240 [ 297.055588] ? print_usage_bug+0xc0/0xc0 [ 297.059651] ? print_usage_bug+0xc0/0xc0 [ 297.063721] ? zap_class+0x640/0x640 [ 297.067442] ? print_usage_bug+0xc0/0xc0 [ 297.071508] ? print_usage_bug+0xc0/0xc0 [ 297.075594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.081142] ? find_held_lock+0x36/0x1c0 [ 297.085216] ? mark_held_locks+0xc7/0x130 [ 297.089370] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 297.094477] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 297.099596] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 297.104206] ? trace_hardirqs_on+0xbd/0x310 [ 297.108531] ? kasan_check_read+0x11/0x20 [ 297.112692] ? ___ratelimit+0x3b4/0x672 [ 297.116667] ? trace_hardirqs_off_caller+0x310/0x310 [ 297.121773] ? trace_hardirqs_on+0x310/0x310 [ 297.126186] ? lock_downgrade+0x900/0x900 [ 297.130371] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 297.135498] ? ___ratelimit+0x3b9/0x672 [ 297.139504] ? idr_get_free+0xec0/0xec0 [ 297.143493] ? kasan_check_read+0x11/0x20 [ 297.147649] ? do_raw_spin_unlock+0xa7/0x330 [ 297.152065] oom_kill_process.cold.27+0x10/0x903 [ 297.156856] ? zap_class+0x640/0x640 [ 297.160580] ? _raw_spin_unlock+0x2c/0x50 [ 297.164727] ? oom_badness+0xe6/0xaa0 [ 297.168543] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 297.173477] ? kasan_check_read+0x11/0x20 [ 297.177630] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.182913] ? oom_evaluate_task+0x540/0x540 [ 297.187326] ? find_held_lock+0x36/0x1c0 [ 297.191398] ? out_of_memory+0x974/0x1430 [ 297.195557] ? lock_downgrade+0x900/0x900 [ 297.199713] ? check_preemption_disabled+0x48/0x280 [ 297.204734] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 297.209663] ? kasan_check_read+0x11/0x20 [ 297.213903] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.219184] ? rcu_softirq_qs+0x20/0x20 [ 297.223167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.228716] ? oom_evaluate_task+0x302/0x540 [ 297.233136] out_of_memory+0xa84/0x1430 [ 297.237131] ? oom_killer_disable+0x3a0/0x3a0 [ 297.241633] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 297.246596] ? __mutex_add_waiter+0x2a0/0x2a0 [ 297.251116] __alloc_pages_slowpath+0x22d4/0x2d70 [ 297.255985] ? warn_alloc+0x120/0x120 [ 297.259783] ? rcu_softirq_qs+0x20/0x20 [ 297.263787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.269323] ? should_fail+0x22d/0xd01 [ 297.273218] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.278327] ? zap_class+0x640/0x640 [ 297.282073] ? __lock_is_held+0xb5/0x140 [ 297.286152] ? mark_held_locks+0x130/0x130 [ 297.290393] ? lock_release+0xa00/0xa00 [ 297.294371] ? perf_trace_sched_process_exec+0x860/0x860 [ 297.299834] ? __might_sleep+0x95/0x190 [ 297.303826] __alloc_pages_nodemask+0xa80/0xde0 [ 297.308502] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 297.313534] ? __page_cache_alloc+0x191/0x5c0 [ 297.318045] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 297.322973] ? kasan_check_read+0x11/0x20 [ 297.327123] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.332404] ? zap_class+0x640/0x640 [ 297.336132] ? zap_class+0x640/0x640 [ 297.339848] ? zap_class+0x640/0x640 [ 297.343572] ? __do_page_cache_readahead+0x7ce/0x980 [ 297.348685] ? find_held_lock+0x36/0x1c0 [ 297.352755] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 297.358301] alloc_pages_current+0x173/0x350 [ 297.362716] __page_cache_alloc+0x38c/0x5c0 [ 297.367054] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 297.372011] ? kasan_check_read+0x11/0x20 [ 297.376171] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.381466] ? generic_perform_write+0x6a0/0x6a0 [ 297.386229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.391769] ? check_preemption_disabled+0x48/0x280 [ 297.396792] filemap_fault+0x1594/0x25f0 [ 297.400868] ? __lock_page_or_retry+0xa00/0xa00 [ 297.405542] ? mark_held_locks+0x130/0x130 [ 297.409801] ? rcu_softirq_qs+0x20/0x20 [ 297.413796] ? filemap_map_pages+0xe04/0x1990 [ 297.418330] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 297.423272] ? futex_wait_setup+0x15c/0x3e0 [ 297.427599] ? zap_class+0x640/0x640 [ 297.431325] ? lock_acquire+0x1ed/0x520 [ 297.435304] ? alloc_set_pte+0x1447/0x1f40 [ 297.439562] ? lock_acquire+0x1ed/0x520 [ 297.443540] ? ext4_filemap_fault+0x7a/0xad [ 297.447888] ? lock_release+0xa00/0xa00 [ 297.451865] ? perf_trace_sched_process_exec+0x860/0x860 [ 297.457559] ? print_usage_bug+0xc0/0xc0 [ 297.461621] ? print_usage_bug+0xc0/0xc0 [ 297.465694] ? down_read+0x8d/0x120 [ 297.469318] ? ext4_filemap_fault+0x7a/0xad [ 297.473657] ? __down_interruptible+0x700/0x700 [ 297.478340] ext4_filemap_fault+0x82/0xad [ 297.482491] __do_fault+0x100/0x6b0 [ 297.486135] ? unlock_page+0x2c2/0x4c0 [ 297.490036] ? pmd_devmap_trans_unstable+0x220/0x220 [ 297.495147] ? mark_held_locks+0x130/0x130 [ 297.499388] ? mark_held_locks+0x130/0x130 [ 297.503622] ? do_raw_spin_trylock+0x270/0x270 [ 297.508223] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.513795] __handle_mm_fault+0x307c/0x5920 [ 297.518214] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 297.523110] ? kasan_check_read+0x11/0x20 [ 297.527265] ? _copy_to_user+0xc8/0x110 [ 297.531244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.536793] ? zap_class+0x640/0x640 [ 297.540509] ? zap_class+0x640/0x640 [ 297.544230] ? find_held_lock+0x36/0x1c0 [ 297.548304] ? handle_mm_fault+0x42a/0xc70 [ 297.552541] ? lock_downgrade+0x900/0x900 [ 297.556696] ? check_preemption_disabled+0x48/0x280 [ 297.562063] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 297.567109] ? kasan_check_read+0x11/0x20 [ 297.571276] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 297.576561] ? rcu_softirq_qs+0x20/0x20 [ 297.580539] ? trace_hardirqs_off_caller+0x310/0x310 [ 297.585662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.591203] ? check_preemption_disabled+0x48/0x280 [ 297.596318] handle_mm_fault+0x54f/0xc70 [ 297.600390] ? __handle_mm_fault+0x5920/0x5920 [ 297.604981] ? find_vma+0x34/0x190 [ 297.608545] __do_page_fault+0x5e8/0xe60 [ 297.612609] ? trace_hardirqs_off+0xb8/0x310 [ 297.617027] ? __ia32_sys_read+0xb0/0xb0 [ 297.621107] do_page_fault+0xf2/0x7e0 [ 297.624950] ? vmalloc_sync_all+0x30/0x30 [ 297.629105] ? error_entry+0x70/0xd0 [ 297.632831] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.637859] ? trace_hardirqs_on_caller+0xc0/0x310 [ 297.642815] ? syscall_return_slowpath+0x5e0/0x5e0 [ 297.647745] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.652591] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.657618] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.663080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.668627] ? prepare_exit_to_usermode+0x291/0x3b0 [ 297.673673] ? page_fault+0x8/0x30 [ 297.677223] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.682079] ? page_fault+0x8/0x30 [ 297.685657] page_fault+0x1e/0x30 [ 297.689118] RIP: 0033:0x4727a0 [ 297.692350] Code: Bad RIP value. [ 297.695715] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 297.701094] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 297.708364] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 297.715655] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 297.722927] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 297.730208] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 297.737501] warn_alloc_show_mem: 1 callbacks suppressed [ 297.737513] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 297.737515] Mem-Info: [ 297.737552] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 297.737552] active_file:12 inactive_file:13 isolated_file:0 [ 297.737552] unevictable:0 dirty:0 writeback:0 unstable:0 [ 297.737552] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 297.737552] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 297.737552] free:13771 free_pcp:124 free_cma:0 [ 297.742891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.749822] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 297.752226] Call Trace: [ 297.785093] Node 0 [ 297.794439] [ 297.821860] 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 [ 297.824439] dump_stack+0x244/0x39d [ 297.826675] lowmem_reserve[]: [ 297.828829] ? dump_stack_print_info.cold.1+0x20/0x20 [ 297.854303] 0 2818 [ 297.857944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.861031] 6321 [ 297.866240] warn_alloc.cold.117+0xb7/0x1bd [ 297.868455] 6321 [ 297.873989] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.880376] ? lock_downgrade+0x900/0x900 [ 297.882420] Node 0 [ 297.887263] ? trace_hardirqs_off+0xb8/0x310 [ 297.891423] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 297.893638] ? trace_hardirqs_off+0xb8/0x310 [ 297.898034] lowmem_reserve[]: [ 297.925036] __alloc_pages_slowpath+0x2660/0x2d70 [ 297.929429] 0 [ 297.932547] ? warn_alloc+0x120/0x120 [ 297.937352] 0 [ 297.939163] ? warn_alloc+0x120/0x120 [ 297.942939] 3503 [ 297.944741] ? print_usage_bug+0xc0/0xc0 [ 297.948530] 3503 [ 297.950591] ? warn_alloc+0x120/0x120 [ 297.956700] ? print_usage_bug+0xc0/0xc0 [ 297.960477] Node 0 [ 297.964536] ? __lock_acquire+0x62f/0x4c20 [ 297.964585] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 297.964593] lowmem_reserve[]: [ 297.966825] ? __lock_acquire+0x62f/0x4c20 [ 297.971045] 0 [ 297.999177] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.002263] 0 [ 298.006498] ? should_fail+0x22d/0xd01 [ 298.008278] 0 [ 298.014088] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.014105] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.015902] 0 [ 298.019785] ? __lock_acquire+0x62f/0x4c20 [ 298.026845] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.031926] Node 0 [ 298.033730] ? __lock_acquire+0x62f/0x4c20 [ 298.037937] DMA: 1*4kB [ 298.043056] ? should_fail+0x22d/0xd01 [ 298.045268] (U) [ 298.049498] ? rcu_irq_exit+0x1a2/0x390 [ 298.052063] 0*8kB [ 298.055950] ? mark_held_locks+0x130/0x130 [ 298.057909] 0*16kB [ 298.061882] ? mark_held_locks+0x130/0x130 [ 298.064008] 1*32kB (U) [ 298.068268] ? mark_held_locks+0xc7/0x130 [ 298.070482] 2*64kB (U) [ 298.074728] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 298.077294] 1*128kB [ 298.081435] ? zap_class+0x640/0x640 [ 298.083998] (U) [ 298.089017] ? print_usage_bug+0xc0/0xc0 [ 298.091341] 1*256kB (U) [ 298.095068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.097027] 0*512kB [ 298.101103] ? check_preemption_disabled+0x48/0x280 [ 298.103757] 1*1024kB [ 298.109293] ? __lock_is_held+0xb5/0x140 [ 298.111591] (U) [ 298.116606] __alloc_pages_nodemask+0xa80/0xde0 [ 298.118993] 1*2048kB [ 298.123072] ? zap_class+0x640/0x640 [ 298.125040] (M) [ 298.129711] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 298.132113] 3*4096kB [ 298.135855] ? find_held_lock+0x36/0x1c0 [ 298.137805] (M) [ 298.142824] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.145228] = 15908kB [ 298.149291] ? lock_downgrade+0x900/0x900 [ 298.151258] Node 0 [ 298.155930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.158318] DMA32: [ 298.162464] cache_grow_begin+0xa5/0x8c0 [ 298.164679] 4*4kB [ 298.170214] ? do_raw_spin_unlock+0xa7/0x330 [ 298.172436] (M) [ 298.176511] fallback_alloc+0x204/0x2e0 [ 298.178641] 0*8kB [ 298.183060] ____cache_alloc_node+0x1c7/0x1e0 [ 298.185014] 2*16kB [ 298.189002] kmem_cache_alloc_node+0xe3/0x730 [ 298.191146] (M) [ 298.195653] ? ipv6_get_ifaddr+0x42e/0x620 [ 298.197869] 2*32kB [ 298.202373] __alloc_skb+0x119/0x770 [ 298.204323] (UM) [ 298.208581] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.210808] 4*64kB [ 298.214516] ? netdev_alloc_frag+0x1f0/0x1f0 [ 298.216563] (UM) [ 298.221836] ? lock_downgrade+0x900/0x900 [ 298.224063] 4*128kB [ 298.228474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.230517] (M) [ 298.234669] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.236971] 3*256kB [ 298.242504] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.244458] (M) [ 298.249915] ? addrconf_rs_timer+0x690/0x690 [ 298.252220] 4*512kB [ 298.257670] ndisc_alloc_skb+0x144/0x340 [ 298.259617] (UM) [ 298.264030] ndisc_send_rs+0x331/0x6e0 [ 298.266334] 3*1024kB [ 298.270390] addrconf_rs_timer+0x314/0x690 [ 298.272432] (UM) [ 298.276317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.278706] 3*2048kB [ 298.282966] call_timer_fn+0x272/0x920 [ 298.284996] (UM) [ 298.289233] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.291630] 3*4096kB (M) [ 298.295525] ? process_timeout+0x40/0x40 [ 298.297611] = 25200kB [ 298.301856] ? __run_timers+0x7da/0xc70 [ 298.304589] Node 0 [ 298.308651] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.311050] Normal: 786*4kB [ 298.315065] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.317281] (MEH) [ 298.321772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.324785] 440*8kB [ 298.329277] ? lockdep_hardirqs_on+0x296/0x5b0 [ 298.331404] (UMEH) [ 298.335637] ? trace_hardirqs_on+0xbd/0x310 [ 298.337942] 141*16kB [ 298.342525] ? kasan_check_read+0x11/0x20 [ 298.344742] (MEH) [ 298.349065] ? __run_timers+0x7da/0xc70 [ 298.351459] 54*32kB [ 298.355600] ? trace_hardirqs_off_caller+0x310/0x310 [ 298.357730] (MEH) [ 298.361699] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.364011] 14*64kB (UME) [ 298.369142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.371269] 1*128kB (H) [ 298.375511] __run_timers+0x7e5/0xc70 [ 298.378328] 1*256kB (H) [ 298.382582] ? timer_fixup_init+0x70/0x70 [ 298.385221] 2*512kB (H) [ 298.389039] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 298.391686] 1*1024kB [ 298.395832] ? zap_class+0x640/0x640 [ 298.398482] (U) [ 298.403523] ? enqueue_hrtimer+0x1a5/0x560 [ 298.405917] 0*2048kB [ 298.409639] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.411607] 0*4096kB [ 298.415836] ? find_held_lock+0x36/0x1c0 [ 298.418236] = 13976kB [ 298.423421] ? zap_class+0x640/0x640 [ 298.425819] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 298.429872] ? pvclock_read_flags+0x160/0x160 [ 298.432262] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 298.432271] 163 total pagecache pages [ 298.435984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.444807] 0 pages in swap cache [ 298.449297] ? check_preemption_disabled+0x48/0x280 [ 298.457856] Swap cache stats: add 0, delete 0, find 0/0 [ 298.461666] ? __lock_is_held+0xb5/0x140 [ 298.467171] Free swap = 0kB [ 298.467180] Total swap = 0kB [ 298.470633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.475629] 1965979 pages RAM [ 298.480992] ? check_preemption_disabled+0x48/0x280 [ 298.485045] 0 pages HighMem/MovableOnly [ 298.488073] run_timer_softirq+0x52/0xb0 [ 298.491071] 342867 pages reserved [ 298.496631] ? rcu_read_lock_sched_held+0x14f/0x180 [ 298.499713] 0 pages cma reserved [ 298.504728] __do_softirq+0x308/0xb7e [ 298.508754] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.512740] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 298.516273] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.521196] ? lock_downgrade+0x900/0x900 [ 298.524555] syz-fuzzer cpuset= [ 298.528349] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 298.534831] / [ 298.539332] ? pvclock_read_flags+0x160/0x160 [ 298.549532] mems_allowed=0 [ 298.571084] ? lapic_next_event+0x5a/0x90 [ 298.575253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.580813] ? kvm_clock_read+0x18/0x30 [ 298.584792] ? kvm_sched_clock_read+0x9/0x20 [ 298.589209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.594762] ? check_preemption_disabled+0x48/0x280 [ 298.599795] irq_exit+0x17f/0x1c0 [ 298.603254] smp_apic_timer_interrupt+0x1cb/0x760 [ 298.608097] ? smp_reschedule_interrupt+0x109/0x650 [ 298.613121] ? smp_call_function_single_interrupt+0x650/0x650 [ 298.619046] ? interrupt_entry+0xb5/0xc0 [ 298.623153] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.628171] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.633193] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.638053] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.643080] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.648102] ? task_prio+0x50/0x50 [ 298.651650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.657194] ? check_preemption_disabled+0x48/0x280 [ 298.662219] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.667080] apic_timer_interrupt+0xf/0x20 [ 298.671312] [ 298.673555] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 298.679444] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 298.698348] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 298.706068] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 298.713341] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 298.720607] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 298.727871] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 298.735140] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 298.742456] ? save_stack+0xa9/0xd0 [ 298.746097] __kmalloc_node_track_caller+0x33/0x70 [ 298.751040] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 298.755814] pskb_expand_head+0x230/0x10f0 [ 298.760075] ? memcpy+0x45/0x50 [ 298.763359] ? __copy_skb_header+0x350/0x6b0 [ 298.767771] ? skb_release_data+0x880/0x880 [ 298.772096] ? __alloc_skb+0x770/0x770 [ 298.775994] ? __lock_is_held+0xb5/0x140 [ 298.780077] ? kasan_check_write+0x14/0x20 [ 298.784315] ? __skb_clone+0x6c7/0xa00 [ 298.788211] ? __copy_skb_header+0x6b0/0x6b0 [ 298.792629] ? kmem_cache_alloc+0x33a/0x730 [ 298.796960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.802521] skb_ensure_writable+0x3dd/0x640 [ 298.806949] ? skb_checksum_setup+0xaa0/0xaa0 [ 298.811456] ? check_preemption_disabled+0x48/0x280 [ 298.816478] ? __this_cpu_preempt_check+0x1c/0x20 [ 298.821327] ? __bpf_redirect+0x54b/0xb20 [ 298.825485] bpf_clone_redirect+0x14a/0x490 [ 298.829819] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 298.834847] ? __sched_text_start+0x8/0x8 [ 298.839013] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 298.843803] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 298.848398] ? retint_kernel+0x2d/0x2d [ 298.852298] ? find_held_lock+0x36/0x1c0 [ 298.856374] ? lock_acquire+0x1ed/0x520 [ 298.860350] ? bpf_test_run+0x3cb/0x780 [ 298.864337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.869874] ? check_preemption_disabled+0x48/0x280 [ 298.874901] ? kasan_check_read+0x11/0x20 [ 298.879067] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 298.884353] ? rcu_softirq_qs+0x20/0x20 [ 298.888330] ? preempt_schedule+0x4d/0x60 [ 298.892504] ? ___preempt_schedule+0x16/0x18 [ 298.896935] ? bpf_test_run+0x25d/0x780 [ 298.900921] ? netlink_diag_dump+0x2a0/0x2a0 [ 298.905334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.910896] ? bpf_test_init.isra.10+0x70/0x100 [ 298.915573] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 298.920339] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 298.925188] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 298.930750] ? fput+0x130/0x1a0 [ 298.934039] ? __bpf_prog_get+0x9b/0x290 [ 298.938110] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 298.942950] ? bpf_prog_test_run+0x130/0x1a0 [ 298.947376] ? __x64_sys_bpf+0x3d8/0x520 [ 298.951439] ? bpf_prog_get+0x20/0x20 [ 298.955261] ? do_syscall_64+0x1b9/0x820 [ 298.959323] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 298.964689] ? syscall_return_slowpath+0x5e0/0x5e0 [ 298.969629] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.974658] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 298.979677] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 298.986346] ? __switch_to_asm+0x40/0x70 [ 298.990412] ? __switch_to_asm+0x34/0x70 [ 298.994478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.999341] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 299.004722] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 299.004808] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 299.011396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.011405] Call Trace: [ 299.018006] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 299.027258] [ 299.029834] syz-executor5 cpuset= [ 299.040319] dump_stack+0x244/0x39d [ 299.042447] syz5 [ 299.045909] ? dump_stack_print_info.cold.1+0x20/0x20 [ 299.049523] mems_allowed=0 [ 299.051498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.065125] warn_alloc.cold.117+0xb7/0x1bd [ 299.069449] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 299.074312] ? lock_downgrade+0x900/0x900 [ 299.078473] ? trace_hardirqs_off+0xb8/0x310 [ 299.082887] ? trace_hardirqs_off+0xb8/0x310 [ 299.087319] __alloc_pages_slowpath+0x2660/0x2d70 [ 299.092195] ? warn_alloc+0x120/0x120 [ 299.096032] ? warn_alloc+0x120/0x120 [ 299.099836] ? print_usage_bug+0xc0/0xc0 [ 299.103910] ? warn_alloc+0x120/0x120 [ 299.107713] ? print_usage_bug+0xc0/0xc0 [ 299.111780] ? __lock_acquire+0x62f/0x4c20 [ 299.116017] ? __lock_acquire+0x62f/0x4c20 [ 299.120268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.125803] ? should_fail+0x22d/0xd01 [ 299.129692] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 299.134971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.140078] ? __lock_acquire+0x62f/0x4c20 [ 299.144320] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.149424] ? __lock_acquire+0x62f/0x4c20 [ 299.153656] ? should_fail+0x22d/0xd01 [ 299.157552] ? rcu_irq_exit+0x1a2/0x390 [ 299.161541] ? mark_held_locks+0x130/0x130 [ 299.165792] ? mark_held_locks+0x130/0x130 [ 299.170052] ? mark_held_locks+0xc7/0x130 [ 299.174212] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 299.179232] ? zap_class+0x640/0x640 [ 299.182946] ? print_usage_bug+0xc0/0xc0 [ 299.187018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.192574] ? check_preemption_disabled+0x48/0x280 [ 299.197597] ? __lock_is_held+0xb5/0x140 [ 299.201662] __alloc_pages_nodemask+0xa80/0xde0 [ 299.206332] ? zap_class+0x640/0x640 [ 299.210056] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 299.215096] ? find_held_lock+0x36/0x1c0 [ 299.219172] ? ____cache_alloc_node+0x1c7/0x1e0 [ 299.223844] ? lock_downgrade+0x900/0x900 [ 299.227998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.233552] cache_grow_begin+0xa5/0x8c0 [ 299.237617] ? do_raw_spin_unlock+0xa7/0x330 [ 299.242053] fallback_alloc+0x204/0x2e0 [ 299.246047] ____cache_alloc_node+0x1c7/0x1e0 [ 299.250556] kmem_cache_alloc_node+0xe3/0x730 [ 299.255089] ? ipv6_get_ifaddr+0x42e/0x620 [ 299.259347] __alloc_skb+0x119/0x770 [ 299.263108] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 299.268390] ? netdev_alloc_frag+0x1f0/0x1f0 [ 299.272823] ? lock_downgrade+0x900/0x900 [ 299.276980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.282525] ? refcount_sub_and_test_checked+0x203/0x310 [ 299.288003] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 299.293462] ? addrconf_rs_timer+0x690/0x690 [ 299.297884] ndisc_alloc_skb+0x144/0x340 [ 299.301961] ndisc_send_rs+0x331/0x6e0 [ 299.305867] addrconf_rs_timer+0x314/0x690 [ 299.310109] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.314361] call_timer_fn+0x272/0x920 [ 299.318251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.322493] ? process_timeout+0x40/0x40 [ 299.326572] ? mark_held_locks+0xc7/0x130 [ 299.330728] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.335239] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.339736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.343984] ? lockdep_hardirqs_on+0x296/0x5b0 [ 299.348576] ? trace_hardirqs_on+0xbd/0x310 [ 299.352903] ? kasan_check_read+0x11/0x20 [ 299.357060] ? __run_timers+0x7da/0xc70 [ 299.361055] ? trace_hardirqs_off_caller+0x310/0x310 [ 299.366174] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.370422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.374677] __run_timers+0x7e5/0xc70 [ 299.378491] ? timer_fixup_init+0x70/0x70 [ 299.382659] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.387680] ? zap_class+0x640/0x640 [ 299.391405] ? print_usage_bug+0xc0/0xc0 [ 299.395472] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 299.400688] ? find_held_lock+0x36/0x1c0 [ 299.404759] ? zap_class+0x640/0x640 [ 299.408481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.414038] ? check_preemption_disabled+0x48/0x280 [ 299.419091] ? __lock_is_held+0xb5/0x140 [ 299.423157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.428696] ? check_preemption_disabled+0x48/0x280 [ 299.433731] run_timer_softirq+0x52/0xb0 [ 299.437807] ? rcu_read_lock_sched_held+0x14f/0x180 [ 299.442839] __do_softirq+0x308/0xb7e [ 299.446656] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 299.451156] ? lock_downgrade+0x900/0x900 [ 299.455581] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 299.460721] ? pvclock_read_flags+0x160/0x160 [ 299.465228] ? lapic_next_event+0x5a/0x90 [ 299.469379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.474924] ? kvm_clock_read+0x18/0x30 [ 299.478919] ? kvm_sched_clock_read+0x9/0x20 [ 299.483335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.488873] ? check_preemption_disabled+0x48/0x280 [ 299.493905] irq_exit+0x17f/0x1c0 [ 299.497372] smp_apic_timer_interrupt+0x1cb/0x760 [ 299.502231] ? smp_reschedule_interrupt+0x109/0x650 [ 299.507256] ? smp_call_function_single_interrupt+0x650/0x650 [ 299.513147] ? interrupt_entry+0xb5/0xc0 [ 299.517220] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.522238] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.527263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.532114] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.537143] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.542167] ? task_prio+0x50/0x50 [ 299.545709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.551250] ? check_preemption_disabled+0x48/0x280 [ 299.556274] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.561616] apic_timer_interrupt+0xf/0x20 [ 299.565850] [ 299.568093] RIP: 0010:console_unlock+0xffa/0x1160 [ 299.572942] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 299.591854] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 299.599590] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 299.606855] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 299.614134] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 299.621438] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 299.628716] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 299.636002] ? netconsole_netdev_event+0x280/0x280 [ 299.640951] ? console_unlock+0xff1/0x1160 [ 299.645209] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 299.649887] ? lock_release+0xa00/0xa00 [ 299.653865] ? interrupt_entry+0xc0/0xc0 [ 299.657945] vprintk_emit+0x33d/0x930 [ 299.661750] ? wake_up_klogd+0x180/0x180 [ 299.665813] ? attach_entity_load_avg+0x810/0x860 [ 299.670659] ? __lock_acquire+0x600/0x4c20 [ 299.674895] ? mark_held_locks+0x130/0x130 [ 299.679134] ? print_usage_bug+0xc0/0xc0 [ 299.683205] ? find_held_lock+0x36/0x1c0 [ 299.687277] ? mark_held_locks+0xc7/0x130 [ 299.691431] vprintk_default+0x28/0x30 [ 299.695320] vprintk_func+0x7e/0x181 [ 299.699047] printk+0xa7/0xcf [ 299.702157] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 299.706948] show_free_areas.cold.118+0x1f34/0x215d [ 299.711985] ? si_meminfo_node+0x260/0x260 [ 299.716237] ? __lock_acquire+0x62f/0x4c20 [ 299.720473] ? __lock_acquire+0x62f/0x4c20 [ 299.724718] ? __lock_is_held+0xb5/0x140 [ 299.728797] ? mark_held_locks+0x130/0x130 [ 299.733042] ? zap_class+0x640/0x640 [ 299.736775] ? put_dec+0x3b/0xf0 [ 299.740160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.745705] ? find_held_lock+0x36/0x1c0 [ 299.749777] ? serial8250_console_write+0x8b3/0xb10 [ 299.754797] ? lock_downgrade+0x900/0x900 [ 299.758945] ? zap_class+0x640/0x640 [ 299.762666] ? zap_class+0x640/0x640 [ 299.766404] ? print_usage_bug+0xc0/0xc0 [ 299.770464] ? do_raw_spin_unlock+0xa7/0x330 [ 299.774879] ? trace_hardirqs_on+0x310/0x310 [ 299.779289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.784839] ? find_held_lock+0x36/0x1c0 [ 299.788933] ? mark_held_locks+0xc7/0x130 [ 299.793089] ? console_unlock+0xfcd/0x1160 [ 299.797341] ? netconsole_netdev_event+0x280/0x280 [ 299.802274] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 299.806863] ? trace_hardirqs_on+0xbd/0x310 [ 299.811186] ? vprintk_emit+0x33d/0x930 [ 299.815166] ? trace_hardirqs_off_caller+0x310/0x310 [ 299.820274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.825818] ? netconsole_netdev_event+0x280/0x280 [ 299.830754] ? console_unlock+0x8d8/0x1160 [ 299.835040] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 299.839731] ? vprintk_emit+0x7f7/0x930 [ 299.843712] ? lock_release+0xa00/0xa00 [ 299.847692] ? preempt_count_add+0xbc/0x1b0 [ 299.852016] ? wake_up_klogd+0x11a/0x180 [ 299.856091] ? console_device+0xc0/0xc0 [ 299.860070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.865618] ? vprintk_emit+0x268/0x930 [ 299.869597] ? wake_up_klogd+0x180/0x180 [ 299.873657] ? trace_hardirqs_on_caller+0xc0/0x310 [ 299.878596] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.883354] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.888839] ? retint_kernel+0x1b/0x2d [ 299.892745] ? trace_hardirqs_on+0x310/0x310 [ 299.897178] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.901986] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 299.906758] ? show_mem+0x1e/0x17b [ 299.910314] show_mem+0x34/0x17b [ 299.913693] dump_header+0x2f1/0xf72 [ 299.917414] ? mark_held_locks+0x130/0x130 [ 299.921661] ? pagefault_out_of_memory+0x197/0x197 [ 299.926596] ? __lock_acquire+0x62f/0x4c20 [ 299.930825] ? zap_class+0x640/0x640 [ 299.934542] ? percpu_ref_get_many+0x240/0x240 [ 299.939134] ? print_usage_bug+0xc0/0xc0 [ 299.943195] ? print_usage_bug+0xc0/0xc0 [ 299.947268] ? zap_class+0x640/0x640 [ 299.950988] ? print_usage_bug+0xc0/0xc0 [ 299.955060] ? print_usage_bug+0xc0/0xc0 [ 299.959132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.964670] ? find_held_lock+0x36/0x1c0 [ 299.968736] ? mark_held_locks+0xc7/0x130 [ 299.972882] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 299.977989] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 299.983103] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 299.987689] ? trace_hardirqs_on+0xbd/0x310 [ 299.992017] ? kasan_check_read+0x11/0x20 [ 299.996174] ? ___ratelimit+0x3b4/0x672 [ 300.000152] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.005264] ? trace_hardirqs_on+0x310/0x310 [ 300.009682] ? lock_downgrade+0x900/0x900 [ 300.013836] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.018979] ? ___ratelimit+0x3b9/0x672 [ 300.022959] ? idr_get_free+0xec0/0xec0 [ 300.026947] ? kasan_check_read+0x11/0x20 [ 300.031099] ? do_raw_spin_unlock+0xa7/0x330 [ 300.035521] oom_kill_process.cold.27+0x10/0x903 [ 300.040280] ? zap_class+0x640/0x640 [ 300.043993] ? _raw_spin_unlock+0x2c/0x50 [ 300.048149] ? oom_badness+0xe6/0xaa0 [ 300.051954] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.056883] ? kasan_check_read+0x11/0x20 [ 300.061056] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.066340] ? oom_evaluate_task+0x540/0x540 [ 300.070753] ? find_held_lock+0x36/0x1c0 [ 300.074823] ? out_of_memory+0x974/0x1430 [ 300.078978] ? lock_downgrade+0x900/0x900 [ 300.083127] ? check_preemption_disabled+0x48/0x280 [ 300.088157] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.093093] ? kasan_check_read+0x11/0x20 [ 300.097259] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.102538] ? rcu_softirq_qs+0x20/0x20 [ 300.106524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.112067] ? oom_evaluate_task+0x302/0x540 [ 300.116481] out_of_memory+0xa84/0x1430 [ 300.120469] ? oom_killer_disable+0x3a0/0x3a0 [ 300.124970] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 300.129904] ? __mutex_add_waiter+0x2a0/0x2a0 [ 300.134424] __alloc_pages_slowpath+0x22d4/0x2d70 [ 300.139335] ? warn_alloc+0x120/0x120 [ 300.143143] ? rcu_softirq_qs+0x20/0x20 [ 300.147166] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.152703] ? should_fail+0x22d/0xd01 [ 300.156595] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.161702] ? zap_class+0x640/0x640 [ 300.165442] ? __lock_is_held+0xb5/0x140 [ 300.169517] ? mark_held_locks+0x130/0x130 [ 300.173774] ? lock_release+0xa00/0xa00 [ 300.177752] ? perf_trace_sched_process_exec+0x860/0x860 [ 300.183216] ? __might_sleep+0x95/0x190 [ 300.187212] __alloc_pages_nodemask+0xa80/0xde0 [ 300.191891] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 300.196911] ? __page_cache_alloc+0x191/0x5c0 [ 300.201408] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.206341] ? kasan_check_read+0x11/0x20 [ 300.210493] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.215772] ? zap_class+0x640/0x640 [ 300.219492] ? zap_class+0x640/0x640 [ 300.223208] ? zap_class+0x640/0x640 [ 300.226940] ? __do_page_cache_readahead+0x7ce/0x980 [ 300.232088] ? find_held_lock+0x36/0x1c0 [ 300.236159] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 300.241702] alloc_pages_current+0x173/0x350 [ 300.246118] __page_cache_alloc+0x38c/0x5c0 [ 300.250445] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.255417] ? kasan_check_read+0x11/0x20 [ 300.259572] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.264859] ? generic_perform_write+0x6a0/0x6a0 [ 300.269633] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.275198] ? check_preemption_disabled+0x48/0x280 [ 300.280226] filemap_fault+0x1594/0x25f0 [ 300.284325] ? __lock_page_or_retry+0xa00/0xa00 [ 300.289001] ? mark_held_locks+0x130/0x130 [ 300.293265] ? rcu_softirq_qs+0x20/0x20 [ 300.297255] ? filemap_map_pages+0xe04/0x1990 [ 300.301773] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 300.306711] ? futex_wait_setup+0x15c/0x3e0 [ 300.311044] ? zap_class+0x640/0x640 [ 300.314770] ? lock_acquire+0x1ed/0x520 [ 300.318748] ? alloc_set_pte+0x1447/0x1f40 [ 300.323001] ? lock_acquire+0x1ed/0x520 [ 300.326999] ? ext4_filemap_fault+0x7a/0xad [ 300.331366] ? lock_release+0xa00/0xa00 [ 300.335344] ? perf_trace_sched_process_exec+0x860/0x860 [ 300.340794] ? print_usage_bug+0xc0/0xc0 [ 300.344858] ? print_usage_bug+0xc0/0xc0 [ 300.348934] ? down_read+0x8d/0x120 [ 300.352584] ? ext4_filemap_fault+0x7a/0xad [ 300.356907] ? __down_interruptible+0x700/0x700 [ 300.361593] ext4_filemap_fault+0x82/0xad [ 300.365743] __do_fault+0x100/0x6b0 [ 300.369370] ? unlock_page+0x2c2/0x4c0 [ 300.373283] ? pmd_devmap_trans_unstable+0x220/0x220 [ 300.378392] ? mark_held_locks+0x130/0x130 [ 300.382635] ? mark_held_locks+0x130/0x130 [ 300.386859] ? do_raw_spin_trylock+0x270/0x270 [ 300.391461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.397031] __handle_mm_fault+0x307c/0x5920 [ 300.401454] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 300.406308] ? kasan_check_read+0x11/0x20 [ 300.410457] ? _copy_to_user+0xc8/0x110 [ 300.414439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.419989] ? zap_class+0x640/0x640 [ 300.423712] ? zap_class+0x640/0x640 [ 300.427432] ? find_held_lock+0x36/0x1c0 [ 300.431524] ? handle_mm_fault+0x42a/0xc70 [ 300.435766] ? lock_downgrade+0x900/0x900 [ 300.439912] ? check_preemption_disabled+0x48/0x280 [ 300.444942] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 300.449874] ? kasan_check_read+0x11/0x20 [ 300.454035] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.459341] ? rcu_softirq_qs+0x20/0x20 [ 300.463319] ? trace_hardirqs_off_caller+0x310/0x310 [ 300.468432] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.473972] ? check_preemption_disabled+0x48/0x280 [ 300.478998] handle_mm_fault+0x54f/0xc70 [ 300.483076] ? __handle_mm_fault+0x5920/0x5920 [ 300.487675] ? find_vma+0x34/0x190 [ 300.491227] __do_page_fault+0x5e8/0xe60 [ 300.495291] ? trace_hardirqs_off+0xb8/0x310 [ 300.499703] ? __ia32_sys_read+0xb0/0xb0 [ 300.503772] do_page_fault+0xf2/0x7e0 [ 300.507597] ? vmalloc_sync_all+0x30/0x30 [ 300.511762] ? error_entry+0x70/0xd0 [ 300.515486] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.520501] ? trace_hardirqs_on_caller+0xc0/0x310 [ 300.525470] ? syscall_return_slowpath+0x5e0/0x5e0 [ 300.530413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.535257] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.540297] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.545949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.551505] ? prepare_exit_to_usermode+0x291/0x3b0 [ 300.556559] ? page_fault+0x8/0x30 [ 300.560105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.565483] ? page_fault+0x8/0x30 [ 300.569034] page_fault+0x1e/0x30 [ 300.572490] RIP: 0033:0x4727a0 [ 300.575699] Code: Bad RIP value. [ 300.579062] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 300.584445] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 300.591715] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 300.598984] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 300.606320] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 300.613614] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 300.620910] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 300.620916] warn_alloc_show_mem: 1 callbacks suppressed [ 300.620924] Mem-Info: [ 300.627877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.633249] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 300.633249] active_file:12 inactive_file:13 isolated_file:0 [ 300.633249] unevictable:0 dirty:0 writeback:0 unstable:0 [ 300.633249] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 300.633249] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 300.633249] free:13771 free_pcp:124 free_cma:0 [ 300.635627] Call Trace: [ 300.645095] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 300.677936] [ 300.680529] Node 0 [ 300.707940] dump_stack+0x244/0x39d [ 300.710093] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 300.712310] ? dump_stack_print_info.cold.1+0x20/0x20 [ 300.715915] lowmem_reserve[]: [ 300.741439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.746602] 0 2818 [ 300.749722] warn_alloc.cold.117+0xb7/0x1bd [ 300.755232] 6321 [ 300.757469] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.761763] 6321 [ 300.763844] ? lock_downgrade+0x900/0x900 [ 300.768662] Node 0 [ 300.770730] ? trace_hardirqs_off+0xb8/0x310 [ 300.774877] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 300.777094] ? trace_hardirqs_off+0xb8/0x310 [ 300.781483] lowmem_reserve[]: 0 [ 300.808517] __alloc_pages_slowpath+0x2660/0x2d70 [ 300.812920] 0 3503 [ 300.816266] ? warn_alloc+0x120/0x120 [ 300.821069] 3503 [ 300.823326] ? warn_alloc+0x120/0x120 [ 300.827106] Node 0 [ 300.829167] ? print_usage_bug+0xc0/0xc0 [ 300.832975] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 300.835188] ? warn_alloc+0x120/0x120 [ 300.839223] lowmem_reserve[]: 0 [ 300.867339] ? print_usage_bug+0xc0/0xc0 [ 300.871116] 0 0 [ 300.874403] ? __lock_acquire+0x62f/0x4c20 [ 300.878459] 0 [ 300.880459] ? __lock_acquire+0x62f/0x4c20 [ 300.884673] Node 0 [ 300.886475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.890681] DMA: 1*4kB [ 300.892944] ? should_fail+0x22d/0xd01 [ 300.898469] (U) [ 300.901077] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 300.904947] 0*8kB 0*16kB [ 300.906942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.912192] 1*32kB (U) [ 300.914957] ? __lock_acquire+0x62f/0x4c20 [ 300.920037] 2*64kB (U) [ 300.922641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.926850] 1*128kB (U) [ 300.929439] ? __lock_acquire+0x62f/0x4c20 [ 300.934540] 1*256kB (U) [ 300.937218] ? should_fail+0x22d/0xd01 [ 300.941429] 0*512kB 1*1024kB [ 300.944124] ? rcu_irq_exit+0x1a2/0x390 [ 300.947992] (U) 1*2048kB [ 300.951116] ? mark_held_locks+0x130/0x130 [ 300.955075] (M) [ 300.957828] ? mark_held_locks+0x130/0x130 [ 300.962046] 3*4096kB [ 300.964036] ? mark_held_locks+0xc7/0x130 [ 300.968250] (M) [ 300.970661] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 300.974786] = 15908kB [ 300.976768] ? zap_class+0x640/0x640 [ 300.981762] Node 0 [ 300.984174] ? print_usage_bug+0xc0/0xc0 [ 300.987883] DMA32: [ 300.990116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.994161] 4*4kB [ 300.996397] ? check_preemption_disabled+0x48/0x280 [ 301.001923] (M) [ 301.004082] ? __lock_is_held+0xb5/0x140 [ 301.009074] 0*8kB [ 301.011061] __alloc_pages_nodemask+0xa80/0xde0 [ 301.015107] 2*16kB [ 301.017439] ? zap_class+0x640/0x640 [ 301.022095] (M) [ 301.024332] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 301.028036] 2*32kB [ 301.030067] ? find_held_lock+0x36/0x1c0 [ 301.035060] (UM) [ 301.037300] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.041335] 4*64kB [ 301.043402] ? lock_downgrade+0x900/0x900 [ 301.048060] (UM) [ 301.050296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.054420] 4*128kB [ 301.056477] cache_grow_begin+0xa5/0x8c0 [ 301.061999] (M) [ 301.064363] ? do_raw_spin_unlock+0xa7/0x330 [ 301.068416] 3*256kB [ 301.070392] fallback_alloc+0x204/0x2e0 [ 301.074778] (M) [ 301.077105] ____cache_alloc_node+0x1c7/0x1e0 [ 301.081061] 4*512kB [ 301.083040] kmem_cache_alloc_node+0xe3/0x730 [ 301.087531] (UM) [ 301.089851] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.094320] 3*1024kB [ 301.096392] __alloc_skb+0x119/0x770 [ 301.100595] (UM) [ 301.103002] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.106687] 3*2048kB [ 301.108744] ? netdev_alloc_frag+0x1f0/0x1f0 [ 301.113997] (UM) [ 301.116427] ? lock_downgrade+0x900/0x900 [ 301.120815] 3*4096kB [ 301.122876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.127000] (M) [ 301.129423] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.134934] = 25200kB [ 301.136923] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.142354] Node 0 [ 301.144767] ? addrconf_rs_timer+0x690/0x690 [ 301.150202] Normal: 786*4kB [ 301.152454] ndisc_alloc_skb+0x144/0x340 [ 301.156835] (MEH) [ 301.159851] ndisc_send_rs+0x331/0x6e0 [ 301.163888] 440*8kB [ 301.166040] addrconf_rs_timer+0x314/0x690 [ 301.169908] (UMEH) [ 301.172235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.176441] 141*16kB (MEH) [ 301.178693] call_timer_fn+0x272/0x920 [ 301.182897] 54*32kB [ 301.185827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.189702] (MEH) [ 301.192037] ? process_timeout+0x40/0x40 [ 301.196267] 14*64kB [ 301.198420] ? __run_timers+0x7da/0xc70 [ 301.202454] (UME) [ 301.204783] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.208734] 1*128kB [ 301.210914] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.215387] (H) [ 301.217707] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.222179] 1*256kB [ 301.224158] ? lockdep_hardirqs_on+0x296/0x5b0 [ 301.228367] (H) [ 301.230724] ? trace_hardirqs_on+0xbd/0x310 [ 301.235291] 2*512kB (H) [ 301.237286] ? kasan_check_read+0x11/0x20 [ 301.241581] 1*1024kB [ 301.244262] ? __run_timers+0x7da/0xc70 [ 301.248400] (U) [ 301.250813] ? trace_hardirqs_off_caller+0x310/0x310 [ 301.254766] 0*2048kB [ 301.256738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.261830] 0*4096kB [ 301.264236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.268455] = 13976kB [ 301.270861] __run_timers+0x7e5/0xc70 [ 301.275079] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 301.277489] ? timer_fixup_init+0x70/0x70 [ 301.281261] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 301.281271] 163 total pagecache pages [ 301.290113] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 301.294250] 0 pages in swap cache [ 301.302836] ? zap_class+0x640/0x640 [ 301.306646] Swap cache stats: add 0, delete 0, find 0/0 [ 301.311663] ? enqueue_hrtimer+0x1a5/0x560 [ 301.315112] Free swap = 0kB [ 301.318833] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 301.324187] Total swap = 0kB [ 301.328420] ? find_held_lock+0x36/0x1c0 [ 301.331427] 1965979 pages RAM [ 301.336613] ? zap_class+0x640/0x640 [ 301.339614] 0 pages HighMem/MovableOnly [ 301.343672] ? pvclock_read_flags+0x160/0x160 [ 301.346749] 342867 pages reserved [ 301.346758] 0 pages cma reserved [ 301.350470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.354495] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.358912] ? check_preemption_disabled+0x48/0x280 [ 301.362417] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.365723] ? __lock_is_held+0xb5/0x140 [ 301.371234] syz-fuzzer cpuset= [ 301.377724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.382722] / [ 301.392949] ? check_preemption_disabled+0x48/0x280 [ 301.396993] mems_allowed=0 [ 301.400186] run_timer_softirq+0x52/0xb0 [ 301.419378] ? rcu_read_lock_sched_held+0x14f/0x180 [ 301.424399] __do_softirq+0x308/0xb7e [ 301.428213] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 301.432713] ? lock_downgrade+0x900/0x900 [ 301.436866] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 301.441983] ? pvclock_read_flags+0x160/0x160 [ 301.446483] ? lapic_next_event+0x5a/0x90 [ 301.450664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.456697] ? kvm_clock_read+0x18/0x30 [ 301.460677] ? kvm_sched_clock_read+0x9/0x20 [ 301.465116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.470659] ? check_preemption_disabled+0x48/0x280 [ 301.475690] irq_exit+0x17f/0x1c0 [ 301.479146] smp_apic_timer_interrupt+0x1cb/0x760 [ 301.483987] ? smp_reschedule_interrupt+0x109/0x650 [ 301.489014] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.494941] ? interrupt_entry+0xb5/0xc0 [ 301.499008] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.504054] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.509098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.513957] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.518983] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.524038] ? task_prio+0x50/0x50 [ 301.527605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.533148] ? check_preemption_disabled+0x48/0x280 [ 301.538191] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.543062] apic_timer_interrupt+0xf/0x20 [ 301.547293] [ 301.549545] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 301.555437] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 301.574474] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 301.582204] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 301.589478] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 301.596746] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 301.604014] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 301.611304] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 301.618630] ? save_stack+0xa9/0xd0 [ 301.622266] __kmalloc_node_track_caller+0x33/0x70 [ 301.627224] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 301.632100] pskb_expand_head+0x230/0x10f0 [ 301.636347] ? memcpy+0x45/0x50 [ 301.639638] ? __copy_skb_header+0x350/0x6b0 [ 301.644065] ? skb_release_data+0x880/0x880 [ 301.648400] ? __alloc_skb+0x770/0x770 [ 301.652298] ? __lock_is_held+0xb5/0x140 [ 301.656370] ? kasan_check_write+0x14/0x20 [ 301.660615] ? __skb_clone+0x6c7/0xa00 [ 301.664516] ? __copy_skb_header+0x6b0/0x6b0 [ 301.668924] ? kmem_cache_alloc+0x33a/0x730 [ 301.673255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.678802] skb_ensure_writable+0x3dd/0x640 [ 301.683217] ? skb_checksum_setup+0xaa0/0xaa0 [ 301.687713] ? check_preemption_disabled+0x48/0x280 [ 301.692758] ? __this_cpu_preempt_check+0x1c/0x20 [ 301.697601] ? __bpf_redirect+0x54b/0xb20 [ 301.701762] bpf_clone_redirect+0x14a/0x490 [ 301.706094] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 301.711117] ? __sched_text_start+0x8/0x8 [ 301.715274] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.720045] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 301.724638] ? retint_kernel+0x2d/0x2d [ 301.728531] ? find_held_lock+0x36/0x1c0 [ 301.732604] ? lock_acquire+0x1ed/0x520 [ 301.736578] ? bpf_test_run+0x3cb/0x780 [ 301.740555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.746097] ? check_preemption_disabled+0x48/0x280 [ 301.751390] ? kasan_check_read+0x11/0x20 [ 301.755544] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 301.760822] ? rcu_softirq_qs+0x20/0x20 [ 301.764800] ? preempt_schedule+0x4d/0x60 [ 301.768961] ? ___preempt_schedule+0x16/0x18 [ 301.773378] ? bpf_test_run+0x25d/0x780 [ 301.777376] ? netlink_diag_dump+0x2a0/0x2a0 [ 301.781786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.787326] ? bpf_test_init.isra.10+0x70/0x100 [ 301.792007] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 301.796788] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 301.801647] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.807197] ? fput+0x130/0x1a0 [ 301.810494] ? __bpf_prog_get+0x9b/0x290 [ 301.814565] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 301.819434] ? bpf_prog_test_run+0x130/0x1a0 [ 301.823849] ? __x64_sys_bpf+0x3d8/0x520 [ 301.827907] ? bpf_prog_get+0x20/0x20 [ 301.831731] ? do_syscall_64+0x1b9/0x820 [ 301.835793] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 301.841158] ? syscall_return_slowpath+0x5e0/0x5e0 [ 301.846093] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.851115] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 301.856139] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 301.862814] ? __switch_to_asm+0x40/0x70 [ 301.866916] ? __switch_to_asm+0x34/0x70 [ 301.870987] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.875844] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 301.881230] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 301.881339] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.887907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.887913] Call Trace: [ 301.887921] [ 301.887938] dump_stack+0x244/0x39d [ 301.887958] ? dump_stack_print_info.cold.1+0x20/0x20 [ 301.894550] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.903799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.906369] syz-executor5 cpuset= [ 301.908525] warn_alloc.cold.117+0xb7/0x1bd [ 301.912123] syz5 [ 301.917317] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.927822] mems_allowed=0 [ 301.933356] ? lock_downgrade+0x900/0x900 [ 301.954957] ? trace_hardirqs_off+0xb8/0x310 [ 301.959371] ? trace_hardirqs_off+0xb8/0x310 [ 301.963791] __alloc_pages_slowpath+0x2660/0x2d70 [ 301.968665] ? warn_alloc+0x120/0x120 [ 301.972488] ? warn_alloc+0x120/0x120 [ 301.976294] ? print_usage_bug+0xc0/0xc0 [ 301.980366] ? warn_alloc+0x120/0x120 [ 301.984194] ? print_usage_bug+0xc0/0xc0 [ 301.988258] ? __lock_acquire+0x62f/0x4c20 [ 301.992507] ? __lock_acquire+0x62f/0x4c20 [ 301.996763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.002323] ? should_fail+0x22d/0xd01 [ 302.006235] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.011362] ? __lock_acquire+0x62f/0x4c20 [ 302.015599] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.020705] ? __lock_acquire+0x62f/0x4c20 [ 302.024936] ? should_fail+0x22d/0xd01 [ 302.028824] ? find_held_lock+0x36/0x1c0 [ 302.032893] ? mark_held_locks+0x130/0x130 [ 302.037134] ? mark_held_locks+0x130/0x130 [ 302.041383] ? zap_class+0x640/0x640 [ 302.045110] ? zap_class+0x640/0x640 [ 302.048859] ? print_usage_bug+0xc0/0xc0 [ 302.052916] ? do_raw_spin_unlock+0xa7/0x330 [ 302.057327] ? zap_class+0x640/0x640 [ 302.061049] ? print_usage_bug+0xc0/0xc0 [ 302.065117] ? wq_watchdog_touch+0x9c/0xfe [ 302.069367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.074908] ? check_preemption_disabled+0x48/0x280 [ 302.079936] ? __lock_is_held+0xb5/0x140 [ 302.084006] __alloc_pages_nodemask+0xa80/0xde0 [ 302.088683] ? zap_class+0x640/0x640 [ 302.092410] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 302.097446] ? find_held_lock+0x36/0x1c0 [ 302.101521] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.106195] ? lock_downgrade+0x900/0x900 [ 302.110355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.115896] cache_grow_begin+0xa5/0x8c0 [ 302.119954] ? do_raw_spin_unlock+0xa7/0x330 [ 302.124371] fallback_alloc+0x204/0x2e0 [ 302.128366] ____cache_alloc_node+0x1c7/0x1e0 [ 302.132866] kmem_cache_alloc_node+0xe3/0x730 [ 302.137363] ? ipv6_get_ifaddr+0x42e/0x620 [ 302.141614] __alloc_skb+0x119/0x770 [ 302.145330] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.150611] ? netdev_alloc_frag+0x1f0/0x1f0 [ 302.155028] ? lock_downgrade+0x900/0x900 [ 302.159191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.164730] ? refcount_sub_and_test_checked+0x203/0x310 [ 302.170185] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 302.175636] ? addrconf_rs_timer+0x690/0x690 [ 302.180065] ndisc_alloc_skb+0x144/0x340 [ 302.184136] ndisc_send_rs+0x331/0x6e0 [ 302.188039] addrconf_rs_timer+0x314/0x690 [ 302.192287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.196539] call_timer_fn+0x272/0x920 [ 302.200437] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.204681] ? process_timeout+0x40/0x40 [ 302.208754] ? mark_held_locks+0xc7/0x130 [ 302.212935] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.217434] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.221933] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.226186] ? lockdep_hardirqs_on+0x296/0x5b0 [ 302.230772] ? trace_hardirqs_on+0xbd/0x310 [ 302.235099] ? kasan_check_read+0x11/0x20 [ 302.239249] ? __run_timers+0x7da/0xc70 [ 302.243231] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.248345] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.252592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.256825] __run_timers+0x7e5/0xc70 [ 302.260657] ? timer_fixup_init+0x70/0x70 [ 302.264809] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.269865] ? zap_class+0x640/0x640 [ 302.273620] ? print_usage_bug+0xc0/0xc0 [ 302.277683] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 302.282884] ? find_held_lock+0x36/0x1c0 [ 302.286961] ? zap_class+0x640/0x640 [ 302.290684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.296230] ? check_preemption_disabled+0x48/0x280 [ 302.301259] ? __lock_is_held+0xb5/0x140 [ 302.305325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.310865] ? check_preemption_disabled+0x48/0x280 [ 302.315915] run_timer_softirq+0x52/0xb0 [ 302.319976] ? rcu_read_lock_sched_held+0x14f/0x180 [ 302.325006] __do_softirq+0x308/0xb7e [ 302.328820] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 302.333318] ? lock_downgrade+0x900/0x900 [ 302.337471] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 302.342597] ? pvclock_read_flags+0x160/0x160 [ 302.347098] ? lapic_next_event+0x5a/0x90 [ 302.351251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.356798] ? kvm_clock_read+0x18/0x30 [ 302.360772] ? kvm_sched_clock_read+0x9/0x20 [ 302.365184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.370726] ? check_preemption_disabled+0x48/0x280 [ 302.375765] irq_exit+0x17f/0x1c0 [ 302.379262] smp_apic_timer_interrupt+0x1cb/0x760 [ 302.384109] ? smp_reschedule_interrupt+0x109/0x650 [ 302.389127] ? smp_call_function_single_interrupt+0x650/0x650 [ 302.395016] ? interrupt_entry+0xb5/0xc0 [ 302.399094] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.404112] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.409131] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.413999] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.419033] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.424063] ? task_prio+0x50/0x50 [ 302.427607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.433145] ? check_preemption_disabled+0x48/0x280 [ 302.438173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.443035] apic_timer_interrupt+0xf/0x20 [ 302.447294] [ 302.449537] RIP: 0010:console_unlock+0xffa/0x1160 [ 302.454393] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 302.473302] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 302.481031] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 302.488303] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 302.495585] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 302.502861] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 302.510140] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 302.517428] ? netconsole_netdev_event+0x280/0x280 [ 302.522368] ? console_unlock+0xff1/0x1160 [ 302.526628] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 302.531304] ? lock_release+0xa00/0xa00 [ 302.535292] ? interrupt_entry+0xc0/0xc0 [ 302.539371] vprintk_emit+0x33d/0x930 [ 302.543181] ? wake_up_klogd+0x180/0x180 [ 302.547243] ? attach_entity_load_avg+0x810/0x860 [ 302.552085] ? __lock_acquire+0x600/0x4c20 [ 302.556320] ? mark_held_locks+0x130/0x130 [ 302.560569] ? print_usage_bug+0xc0/0xc0 [ 302.564818] ? find_held_lock+0x36/0x1c0 [ 302.568890] ? mark_held_locks+0xc7/0x130 [ 302.573077] vprintk_default+0x28/0x30 [ 302.576988] vprintk_func+0x7e/0x181 [ 302.580714] printk+0xa7/0xcf [ 302.583824] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 302.588610] show_free_areas.cold.118+0x1f34/0x215d [ 302.593647] ? si_meminfo_node+0x260/0x260 [ 302.597887] ? __lock_acquire+0x62f/0x4c20 [ 302.602124] ? __lock_acquire+0x62f/0x4c20 [ 302.606373] ? __lock_is_held+0xb5/0x140 [ 302.610449] ? mark_held_locks+0x130/0x130 [ 302.614692] ? zap_class+0x640/0x640 [ 302.618418] ? put_dec+0x3b/0xf0 [ 302.621787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.627345] ? find_held_lock+0x36/0x1c0 [ 302.631418] ? serial8250_console_write+0x8b3/0xb10 [ 302.636436] ? lock_downgrade+0x900/0x900 [ 302.640589] ? zap_class+0x640/0x640 [ 302.644317] ? zap_class+0x640/0x640 [ 302.648055] ? print_usage_bug+0xc0/0xc0 [ 302.652129] ? do_raw_spin_unlock+0xa7/0x330 [ 302.656542] ? trace_hardirqs_on+0x310/0x310 [ 302.660958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.666507] ? find_held_lock+0x36/0x1c0 [ 302.670583] ? mark_held_locks+0xc7/0x130 [ 302.674739] ? console_unlock+0xfcd/0x1160 [ 302.678977] ? netconsole_netdev_event+0x280/0x280 [ 302.683908] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 302.688491] ? trace_hardirqs_on+0xbd/0x310 [ 302.692816] ? vprintk_emit+0x33d/0x930 [ 302.696792] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.701903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.707447] ? netconsole_netdev_event+0x280/0x280 [ 302.712391] ? console_unlock+0x8d8/0x1160 [ 302.716658] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 302.721327] ? vprintk_emit+0x7f7/0x930 [ 302.725307] ? lock_release+0xa00/0xa00 [ 302.729288] ? preempt_count_add+0xbc/0x1b0 [ 302.733611] ? wake_up_klogd+0x11a/0x180 [ 302.737672] ? console_device+0xc0/0xc0 [ 302.741681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.747230] ? vprintk_emit+0x268/0x930 [ 302.751212] ? wake_up_klogd+0x180/0x180 [ 302.755276] ? trace_hardirqs_on_caller+0xc0/0x310 [ 302.760223] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 302.764993] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.770465] ? retint_kernel+0x1b/0x2d [ 302.774355] ? trace_hardirqs_on+0x310/0x310 [ 302.778774] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 302.783572] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 302.788339] ? show_mem+0x1e/0x17b [ 302.791908] show_mem+0x34/0x17b [ 302.795328] dump_header+0x2f1/0xf72 [ 302.799065] ? mark_held_locks+0x130/0x130 [ 302.803300] ? pagefault_out_of_memory+0x197/0x197 [ 302.808249] ? __lock_acquire+0x62f/0x4c20 [ 302.812494] ? zap_class+0x640/0x640 [ 302.816214] ? percpu_ref_get_many+0x240/0x240 [ 302.820801] ? print_usage_bug+0xc0/0xc0 [ 302.824865] ? print_usage_bug+0xc0/0xc0 [ 302.828931] ? zap_class+0x640/0x640 [ 302.832647] ? print_usage_bug+0xc0/0xc0 [ 302.836709] ? print_usage_bug+0xc0/0xc0 [ 302.840776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.846333] ? find_held_lock+0x36/0x1c0 [ 302.850403] ? mark_held_locks+0xc7/0x130 [ 302.854562] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 302.859670] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 302.864773] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 302.869357] ? trace_hardirqs_on+0xbd/0x310 [ 302.873678] ? kasan_check_read+0x11/0x20 [ 302.877831] ? ___ratelimit+0x3b4/0x672 [ 302.881809] ? trace_hardirqs_off_caller+0x310/0x310 [ 302.886913] ? trace_hardirqs_on+0x310/0x310 [ 302.891335] ? lock_downgrade+0x900/0x900 [ 302.895498] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 302.900603] ? ___ratelimit+0x3b9/0x672 [ 302.904598] ? idr_get_free+0xec0/0xec0 [ 302.908578] ? kasan_check_read+0x11/0x20 [ 302.912740] ? do_raw_spin_unlock+0xa7/0x330 [ 302.917163] oom_kill_process.cold.27+0x10/0x903 [ 302.921954] ? zap_class+0x640/0x640 [ 302.925684] ? _raw_spin_unlock+0x2c/0x50 [ 302.929832] ? oom_badness+0xe6/0xaa0 [ 302.933650] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 302.938581] ? kasan_check_read+0x11/0x20 [ 302.942738] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.948013] ? oom_evaluate_task+0x540/0x540 [ 302.952430] ? find_held_lock+0x36/0x1c0 [ 302.956499] ? out_of_memory+0x974/0x1430 [ 302.960649] ? lock_downgrade+0x900/0x900 [ 302.964800] ? check_preemption_disabled+0x48/0x280 [ 302.969827] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 302.974761] ? kasan_check_read+0x11/0x20 [ 302.978925] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 302.984210] ? rcu_softirq_qs+0x20/0x20 [ 302.988200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.993735] ? oom_evaluate_task+0x302/0x540 [ 302.998161] out_of_memory+0xa84/0x1430 [ 303.002156] ? oom_killer_disable+0x3a0/0x3a0 [ 303.006653] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 303.011591] ? __mutex_add_waiter+0x2a0/0x2a0 [ 303.016097] __alloc_pages_slowpath+0x22d4/0x2d70 [ 303.020980] ? warn_alloc+0x120/0x120 [ 303.024789] ? rcu_softirq_qs+0x20/0x20 [ 303.028806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.034341] ? should_fail+0x22d/0xd01 [ 303.038234] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.043343] ? zap_class+0x640/0x640 [ 303.047083] ? __lock_is_held+0xb5/0x140 [ 303.051156] ? mark_held_locks+0x130/0x130 [ 303.055394] ? lock_release+0xa00/0xa00 [ 303.059372] ? perf_trace_sched_process_exec+0x860/0x860 [ 303.064831] ? __might_sleep+0x95/0x190 [ 303.068813] __alloc_pages_nodemask+0xa80/0xde0 [ 303.073497] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 303.078533] ? __page_cache_alloc+0x191/0x5c0 [ 303.083056] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 303.087988] ? kasan_check_read+0x11/0x20 [ 303.092162] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.097484] ? zap_class+0x640/0x640 [ 303.101212] ? zap_class+0x640/0x640 [ 303.104926] ? zap_class+0x640/0x640 [ 303.108644] ? __do_page_cache_readahead+0x7ce/0x980 [ 303.113756] ? find_held_lock+0x36/0x1c0 [ 303.117820] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 303.123366] alloc_pages_current+0x173/0x350 [ 303.127778] __page_cache_alloc+0x38c/0x5c0 [ 303.132105] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 303.137050] ? kasan_check_read+0x11/0x20 [ 303.141202] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.146484] ? generic_perform_write+0x6a0/0x6a0 [ 303.151238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.156782] ? check_preemption_disabled+0x48/0x280 [ 303.161809] filemap_fault+0x1594/0x25f0 [ 303.165885] ? __lock_page_or_retry+0xa00/0xa00 [ 303.170590] ? mark_held_locks+0x130/0x130 [ 303.174831] ? rcu_softirq_qs+0x20/0x20 [ 303.178820] ? filemap_map_pages+0xe04/0x1990 [ 303.183335] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 303.188283] ? futex_wait_setup+0x15c/0x3e0 [ 303.192612] ? zap_class+0x640/0x640 [ 303.196350] ? lock_acquire+0x1ed/0x520 [ 303.200324] ? alloc_set_pte+0x1447/0x1f40 [ 303.204590] ? lock_acquire+0x1ed/0x520 [ 303.208575] ? ext4_filemap_fault+0x7a/0xad [ 303.212906] ? lock_release+0xa00/0xa00 [ 303.216879] ? perf_trace_sched_process_exec+0x860/0x860 [ 303.222340] ? print_usage_bug+0xc0/0xc0 [ 303.226430] ? print_usage_bug+0xc0/0xc0 [ 303.230516] ? down_read+0x8d/0x120 [ 303.234163] ? ext4_filemap_fault+0x7a/0xad [ 303.238487] ? __down_interruptible+0x700/0x700 [ 303.243167] ext4_filemap_fault+0x82/0xad [ 303.247318] __do_fault+0x100/0x6b0 [ 303.250948] ? unlock_page+0x2c2/0x4c0 [ 303.254837] ? pmd_devmap_trans_unstable+0x220/0x220 [ 303.259942] ? mark_held_locks+0x130/0x130 [ 303.264185] ? mark_held_locks+0x130/0x130 [ 303.268421] ? do_raw_spin_trylock+0x270/0x270 [ 303.273015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.278575] __handle_mm_fault+0x307c/0x5920 [ 303.283004] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 303.287865] ? kasan_check_read+0x11/0x20 [ 303.292012] ? _copy_to_user+0xc8/0x110 [ 303.296001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.301570] ? zap_class+0x640/0x640 [ 303.305286] ? zap_class+0x640/0x640 [ 303.309017] ? find_held_lock+0x36/0x1c0 [ 303.313098] ? handle_mm_fault+0x42a/0xc70 [ 303.317338] ? lock_downgrade+0x900/0x900 [ 303.321497] ? check_preemption_disabled+0x48/0x280 [ 303.326523] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 303.331473] ? kasan_check_read+0x11/0x20 [ 303.335621] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.340897] ? rcu_softirq_qs+0x20/0x20 [ 303.344875] ? trace_hardirqs_off_caller+0x310/0x310 [ 303.349992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.355554] ? check_preemption_disabled+0x48/0x280 [ 303.360580] handle_mm_fault+0x54f/0xc70 [ 303.364656] ? __handle_mm_fault+0x5920/0x5920 [ 303.369271] ? find_vma+0x34/0x190 [ 303.372824] __do_page_fault+0x5e8/0xe60 [ 303.376883] ? trace_hardirqs_off+0xb8/0x310 [ 303.381295] ? __ia32_sys_read+0xb0/0xb0 [ 303.385372] do_page_fault+0xf2/0x7e0 [ 303.389179] ? vmalloc_sync_all+0x30/0x30 [ 303.393333] ? error_entry+0x70/0xd0 [ 303.397057] ? trace_hardirqs_off_caller+0xbb/0x310 [ 303.402100] ? trace_hardirqs_on_caller+0xc0/0x310 [ 303.407044] ? syscall_return_slowpath+0x5e0/0x5e0 [ 303.411979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.416821] ? trace_hardirqs_on_caller+0x310/0x310 [ 303.421847] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.427313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.432850] ? prepare_exit_to_usermode+0x291/0x3b0 [ 303.437866] ? page_fault+0x8/0x30 [ 303.441412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.446263] ? page_fault+0x8/0x30 [ 303.449821] page_fault+0x1e/0x30 [ 303.453275] RIP: 0033:0x4727a0 [ 303.456676] Code: Bad RIP value. [ 303.460046] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 303.465412] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 303.472678] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 303.479949] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 303.487219] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 303.494485] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 303.501781] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 303.501787] warn_alloc_show_mem: 1 callbacks suppressed [ 303.501794] Mem-Info: [ 303.508724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.514115] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 303.514115] active_file:12 inactive_file:13 isolated_file:0 [ 303.514115] unevictable:0 dirty:0 writeback:0 unstable:0 [ 303.514115] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 303.514115] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 303.514115] free:13771 free_pcp:124 free_cma:0 [ 303.516493] Call Trace: [ 303.525882] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 303.558729] [ 303.561784] Node 0 [ 303.589224] dump_stack+0x244/0x39d [ 303.591386] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 303.593613] ? dump_stack_print_info.cold.1+0x20/0x20 [ 303.597217] lowmem_reserve[]: [ 303.622718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.627879] 0 2818 [ 303.631007] warn_alloc.cold.117+0xb7/0x1bd [ 303.636519] 6321 [ 303.638758] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.643055] 6321 [ 303.645127] ? lock_downgrade+0x900/0x900 [ 303.649960] Node 0 [ 303.652046] ? trace_hardirqs_off+0xb8/0x310 [ 303.656197] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 303.658421] ? trace_hardirqs_off+0xb8/0x310 [ 303.662804] lowmem_reserve[]: [ 303.689783] __alloc_pages_slowpath+0x2660/0x2d70 [ 303.694167] 0 0 [ 303.697308] ? warn_alloc+0x120/0x120 [ 303.702112] 3503 [ 303.704087] ? warn_alloc+0x120/0x120 [ 303.707876] 3503 [ 303.709937] ? print_usage_bug+0xc0/0xc0 [ 303.715780] ? warn_alloc+0x120/0x120 [ 303.719821] Node 0 [ 303.723616] ? print_usage_bug+0xc0/0xc0 [ 303.723647] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 303.723654] lowmem_reserve[]: [ 303.725890] ? __lock_acquire+0x62f/0x4c20 [ 303.729931] 0 [ 303.766265] ? __lock_acquire+0x62f/0x4c20 [ 303.769346] 0 0 [ 303.777381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.779162] 0 [ 303.783407] ? should_fail+0x22d/0xd01 [ 303.790902] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.792684] Node 0 [ 303.796581] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.801840] DMA: [ 303.804087] ? __lock_acquire+0x62f/0x4c20 [ 303.809179] 1*4kB [ 303.811239] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.815455] (U) [ 303.817604] ? __lock_acquire+0x62f/0x4c20 [ 303.822682] 0*8kB [ 303.824667] ? should_fail+0x22d/0xd01 [ 303.828884] 0*16kB [ 303.831063] ? rcu_irq_exit+0x1a2/0x390 [ 303.834924] 1*32kB [ 303.837164] ? mark_held_locks+0x130/0x130 [ 303.841109] (U) 2*64kB [ 303.843366] ? mark_held_locks+0x130/0x130 [ 303.847582] (U) [ 303.850169] ? mark_held_locks+0xc7/0x130 [ 303.854380] 1*128kB (U) [ 303.856365] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 303.860499] 1*256kB (U) [ 303.863197] ? zap_class+0x640/0x640 [ 303.868195] 0*512kB [ 303.870873] ? print_usage_bug+0xc0/0xc0 [ 303.874579] 1*1024kB [ 303.876901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.880937] (U) [ 303.883347] ? check_preemption_disabled+0x48/0x280 [ 303.888858] 1*2048kB (M) [ 303.890853] ? __lock_is_held+0xb5/0x140 [ 303.895843] 3*4096kB (M) [ 303.898609] __alloc_pages_nodemask+0xa80/0xde0 [ 303.902651] = 15908kB [ 303.905403] ? zap_class+0x640/0x640 [ 303.910053] Node 0 DMA32: [ 303.912475] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 303.916165] 4*4kB [ 303.919053] ? find_held_lock+0x36/0x1c0 [ 303.924046] (M) [ 303.926218] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.930252] 0*8kB [ 303.932223] ? lock_downgrade+0x900/0x900 [ 303.936866] 2*16kB (M) [ 303.939053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.943175] 2*32kB [ 303.945754] cache_grow_begin+0xa5/0x8c0 [ 303.951271] (UM) [ 303.953506] ? do_raw_spin_unlock+0xa7/0x330 [ 303.957554] 4*64kB [ 303.959611] fallback_alloc+0x204/0x2e0 [ 303.963995] (UM) [ 303.966238] ____cache_alloc_node+0x1c7/0x1e0 [ 303.970185] 4*128kB (M) [ 303.972259] kmem_cache_alloc_node+0xe3/0x730 [ 303.976736] 3*256kB (M) [ 303.979417] ? ipv6_get_ifaddr+0x42e/0x620 [ 303.983890] 4*512kB [ 303.986563] __alloc_skb+0x119/0x770 [ 303.990776] (UM) [ 303.993109] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 303.996796] 3*1024kB [ 303.998866] ? netdev_alloc_frag+0x1f0/0x1f0 [ 304.004122] (UM) [ 304.006531] ? lock_downgrade+0x900/0x900 [ 304.010949] 3*2048kB (UM) [ 304.013064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.017184] 3*4096kB [ 304.020037] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.025546] (M) [ 304.027961] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.033392] = 25200kB [ 304.033400] Node 0 [ 304.035372] ? addrconf_rs_timer+0x690/0x690 [ 304.040809] Normal: [ 304.043750] ndisc_alloc_skb+0x144/0x340 [ 304.045967] 786*4kB [ 304.050372] ndisc_send_rs+0x331/0x6e0 [ 304.052676] (MEH) [ 304.056734] addrconf_rs_timer+0x314/0x690 [ 304.059046] 440*8kB [ 304.062934] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.065064] (UMEH) [ 304.069310] call_timer_fn+0x272/0x920 [ 304.071605] 141*16kB [ 304.075832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.078062] (MEH) [ 304.081948] ? process_timeout+0x40/0x40 [ 304.084332] 54*32kB (MEH) [ 304.088589] ? __run_timers+0x7da/0xc70 [ 304.090713] 14*64kB [ 304.094770] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.097592] (UME) [ 304.101582] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.103890] 1*128kB [ 304.108383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.110524] (H) [ 304.115055] ? lockdep_hardirqs_on+0x296/0x5b0 [ 304.117350] 1*256kB (H) [ 304.121600] ? trace_hardirqs_on+0xbd/0x310 [ 304.123568] 2*512kB [ 304.128147] ? kasan_check_read+0x11/0x20 [ 304.130799] (H) [ 304.135117] ? __run_timers+0x7da/0xc70 [ 304.137421] 1*1024kB [ 304.141565] ? trace_hardirqs_off_caller+0x310/0x310 [ 304.141584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.143540] (U) [ 304.147516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.149910] 0*2048kB [ 304.155010] __run_timers+0x7e5/0xc70 [ 304.159232] 0*4096kB [ 304.161223] ? timer_fixup_init+0x70/0x70 [ 304.165431] = 13976kB [ 304.167851] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.171648] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 304.174059] ? zap_class+0x640/0x640 [ 304.178187] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 304.180624] ? enqueue_hrtimer+0x1a5/0x560 [ 304.185625] 163 total pagecache pages [ 304.194461] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.198163] 0 pages in swap cache [ 304.206744] ? find_held_lock+0x36/0x1c0 [ 304.210954] Swap cache stats: add 0, delete 0, find 0/0 [ 304.214746] ? zap_class+0x640/0x640 [ 304.219916] Free swap = 0kB [ 304.223367] ? pvclock_read_flags+0x160/0x160 [ 304.227407] Total swap = 0kB [ 304.232767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.236461] 1965979 pages RAM [ 304.239477] ? check_preemption_disabled+0x48/0x280 [ 304.243943] 0 pages HighMem/MovableOnly [ 304.243952] 342867 pages reserved [ 304.246982] ? __lock_is_held+0xb5/0x140 [ 304.252490] 0 pages cma reserved [ 304.255592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.260674] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 304.264601] ? check_preemption_disabled+0x48/0x280 [ 304.264626] run_timer_softirq+0x52/0xb0 [ 304.268140] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 304.272130] ? rcu_read_lock_sched_held+0x14f/0x180 [ 304.275491] syz-fuzzer cpuset= [ 304.281042] __do_softirq+0x308/0xb7e [ 304.287527] / [ 304.292600] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 304.296670] mems_allowed=0 [ 304.306933] ? lock_downgrade+0x900/0x900 [ 304.332184] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 304.337318] ? pvclock_read_flags+0x160/0x160 [ 304.341836] ? lapic_next_event+0x5a/0x90 [ 304.345999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.351592] ? kvm_clock_read+0x18/0x30 [ 304.355592] ? kvm_sched_clock_read+0x9/0x20 [ 304.360027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.365578] ? check_preemption_disabled+0x48/0x280 [ 304.370605] irq_exit+0x17f/0x1c0 [ 304.374071] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.378913] ? smp_reschedule_interrupt+0x109/0x650 [ 304.383940] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.389843] ? interrupt_entry+0xb5/0xc0 [ 304.393910] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.398928] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.403949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.408793] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.413811] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.418828] ? task_prio+0x50/0x50 [ 304.422384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.427934] ? check_preemption_disabled+0x48/0x280 [ 304.432959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.437815] apic_timer_interrupt+0xf/0x20 [ 304.442055] [ 304.444322] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 304.450211] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 304.469663] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 304.477767] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 304.485042] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 304.492320] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 304.499588] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 304.506854] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 304.514150] ? save_stack+0xa9/0xd0 [ 304.517800] __kmalloc_node_track_caller+0x33/0x70 [ 304.522759] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 304.527528] pskb_expand_head+0x230/0x10f0 [ 304.531775] ? memcpy+0x45/0x50 [ 304.535065] ? __copy_skb_header+0x350/0x6b0 [ 304.539477] ? skb_release_data+0x880/0x880 [ 304.543798] ? __alloc_skb+0x770/0x770 [ 304.547704] ? __lock_is_held+0xb5/0x140 [ 304.551769] ? kasan_check_write+0x14/0x20 [ 304.556004] ? __skb_clone+0x6c7/0xa00 [ 304.559934] ? __copy_skb_header+0x6b0/0x6b0 [ 304.564362] ? kmem_cache_alloc+0x33a/0x730 [ 304.568691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.574238] skb_ensure_writable+0x3dd/0x640 [ 304.578650] ? skb_checksum_setup+0xaa0/0xaa0 [ 304.583147] ? check_preemption_disabled+0x48/0x280 [ 304.588168] ? __this_cpu_preempt_check+0x1c/0x20 [ 304.593013] ? __bpf_redirect+0x54b/0xb20 [ 304.597199] bpf_clone_redirect+0x14a/0x490 [ 304.601539] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 304.606584] ? __sched_text_start+0x8/0x8 [ 304.610733] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.615495] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 304.620101] ? retint_kernel+0x2d/0x2d [ 304.623996] ? find_held_lock+0x36/0x1c0 [ 304.628085] ? lock_acquire+0x1ed/0x520 [ 304.632068] ? bpf_test_run+0x3cb/0x780 [ 304.636058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.641600] ? check_preemption_disabled+0x48/0x280 [ 304.646625] ? kasan_check_read+0x11/0x20 [ 304.650778] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 304.656068] ? rcu_softirq_qs+0x20/0x20 [ 304.660057] ? preempt_schedule+0x4d/0x60 [ 304.664219] ? ___preempt_schedule+0x16/0x18 [ 304.668637] ? bpf_test_run+0x25d/0x780 [ 304.672633] ? netlink_diag_dump+0x2a0/0x2a0 [ 304.677070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.682613] ? bpf_test_init.isra.10+0x70/0x100 [ 304.687288] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 304.692076] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 304.696920] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 304.702462] ? fput+0x130/0x1a0 [ 304.705744] ? __bpf_prog_get+0x9b/0x290 [ 304.709810] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 304.714652] ? bpf_prog_test_run+0x130/0x1a0 [ 304.719092] ? __x64_sys_bpf+0x3d8/0x520 [ 304.723158] ? bpf_prog_get+0x20/0x20 [ 304.726985] ? do_syscall_64+0x1b9/0x820 [ 304.731063] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 304.736433] ? syscall_return_slowpath+0x5e0/0x5e0 [ 304.741367] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.746384] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 304.752258] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 304.758930] ? __switch_to_asm+0x40/0x70 [ 304.762991] ? __switch_to_asm+0x34/0x70 [ 304.767072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.771925] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.777311] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 304.777399] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 304.783986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.783995] Call Trace: [ 304.790616] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 304.799857] [ 304.802429] syz-executor5 cpuset= [ 304.812910] dump_stack+0x244/0x39d [ 304.815055] syz5 [ 304.818506] ? dump_stack_print_info.cold.1+0x20/0x20 [ 304.822115] mems_allowed=0 [ 304.824090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.837713] warn_alloc.cold.117+0xb7/0x1bd [ 304.842051] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 304.846920] ? lock_downgrade+0x900/0x900 [ 304.851101] ? trace_hardirqs_off+0xb8/0x310 [ 304.855519] ? trace_hardirqs_off+0xb8/0x310 [ 304.859943] __alloc_pages_slowpath+0x2660/0x2d70 [ 304.864816] ? warn_alloc+0x120/0x120 [ 304.868630] ? warn_alloc+0x120/0x120 [ 304.872431] ? print_usage_bug+0xc0/0xc0 [ 304.876505] ? warn_alloc+0x120/0x120 [ 304.880308] ? print_usage_bug+0xc0/0xc0 [ 304.884374] ? __lock_acquire+0x62f/0x4c20 [ 304.888615] ? __lock_acquire+0x62f/0x4c20 [ 304.892857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.898400] ? should_fail+0x22d/0xd01 [ 304.902303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.907407] ? __lock_acquire+0x62f/0x4c20 [ 304.911668] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.916774] ? __lock_acquire+0x62f/0x4c20 [ 304.921008] ? should_fail+0x22d/0xd01 [ 304.924907] ? find_held_lock+0x36/0x1c0 [ 304.928986] ? mark_held_locks+0x130/0x130 [ 304.933250] ? mark_held_locks+0x130/0x130 [ 304.937485] ? zap_class+0x640/0x640 [ 304.941199] ? zap_class+0x640/0x640 [ 304.944915] ? print_usage_bug+0xc0/0xc0 [ 304.949005] ? do_raw_spin_unlock+0xa7/0x330 [ 304.953433] ? zap_class+0x640/0x640 [ 304.957151] ? print_usage_bug+0xc0/0xc0 [ 304.961219] ? wq_watchdog_touch+0x9c/0xfe [ 304.965468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.971006] ? check_preemption_disabled+0x48/0x280 [ 304.976070] ? __lock_is_held+0xb5/0x140 [ 304.980144] __alloc_pages_nodemask+0xa80/0xde0 [ 304.984820] ? zap_class+0x640/0x640 [ 304.988538] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 304.993587] ? find_held_lock+0x36/0x1c0 [ 304.997674] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.002368] ? lock_downgrade+0x900/0x900 [ 305.006522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.012072] cache_grow_begin+0xa5/0x8c0 [ 305.016144] ? do_raw_spin_unlock+0xa7/0x330 [ 305.020564] fallback_alloc+0x204/0x2e0 [ 305.024545] ____cache_alloc_node+0x1c7/0x1e0 [ 305.029090] kmem_cache_alloc_node+0xe3/0x730 [ 305.033588] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.037852] __alloc_skb+0x119/0x770 [ 305.041605] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 305.046924] ? netdev_alloc_frag+0x1f0/0x1f0 [ 305.051360] ? lock_downgrade+0x900/0x900 [ 305.055516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.061065] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.066535] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.071993] ? addrconf_rs_timer+0x690/0x690 [ 305.076421] ndisc_alloc_skb+0x144/0x340 [ 305.080486] ndisc_send_rs+0x331/0x6e0 [ 305.084385] addrconf_rs_timer+0x314/0x690 [ 305.088630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.092898] call_timer_fn+0x272/0x920 [ 305.096788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.101044] ? process_timeout+0x40/0x40 [ 305.105117] ? mark_held_locks+0xc7/0x130 [ 305.109268] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.113778] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.118288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.122523] ? lockdep_hardirqs_on+0x296/0x5b0 [ 305.127127] ? trace_hardirqs_on+0xbd/0x310 [ 305.131449] ? kasan_check_read+0x11/0x20 [ 305.135599] ? __run_timers+0x7da/0xc70 [ 305.139584] ? trace_hardirqs_off_caller+0x310/0x310 [ 305.144695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.148971] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.153220] __run_timers+0x7e5/0xc70 [ 305.157048] ? timer_fixup_init+0x70/0x70 [ 305.161205] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 305.166222] ? zap_class+0x640/0x640 [ 305.169941] ? print_usage_bug+0xc0/0xc0 [ 305.174003] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 305.179212] ? find_held_lock+0x36/0x1c0 [ 305.183282] ? zap_class+0x640/0x640 [ 305.187004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.192561] ? check_preemption_disabled+0x48/0x280 [ 305.197589] ? __lock_is_held+0xb5/0x140 [ 305.201650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.207190] ? check_preemption_disabled+0x48/0x280 [ 305.212212] run_timer_softirq+0x52/0xb0 [ 305.216291] ? rcu_read_lock_sched_held+0x14f/0x180 [ 305.221318] __do_softirq+0x308/0xb7e [ 305.225129] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 305.229625] ? lock_downgrade+0x900/0x900 [ 305.233776] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 305.238892] ? pvclock_read_flags+0x160/0x160 [ 305.243417] ? lapic_next_event+0x5a/0x90 [ 305.247571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.253129] ? kvm_clock_read+0x18/0x30 [ 305.257109] ? kvm_sched_clock_read+0x9/0x20 [ 305.261522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.267063] ? check_preemption_disabled+0x48/0x280 [ 305.272097] irq_exit+0x17f/0x1c0 [ 305.275562] smp_apic_timer_interrupt+0x1cb/0x760 [ 305.280405] ? smp_reschedule_interrupt+0x109/0x650 [ 305.285436] ? smp_call_function_single_interrupt+0x650/0x650 [ 305.291325] ? interrupt_entry+0xb5/0xc0 [ 305.295393] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.300419] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.305445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.310288] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.315302] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.320319] ? task_prio+0x50/0x50 [ 305.323860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.329400] ? check_preemption_disabled+0x48/0x280 [ 305.334460] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.339314] apic_timer_interrupt+0xf/0x20 [ 305.343545] [ 305.345828] RIP: 0010:console_unlock+0xffa/0x1160 [ 305.350686] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 305.369584] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 305.377307] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 305.384577] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 305.391844] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 305.399110] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 305.406380] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 305.413672] ? netconsole_netdev_event+0x280/0x280 [ 305.418627] ? console_unlock+0xff1/0x1160 [ 305.422913] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 305.427610] ? lock_release+0xa00/0xa00 [ 305.431588] ? interrupt_entry+0xc0/0xc0 [ 305.435663] vprintk_emit+0x33d/0x930 [ 305.439479] ? wake_up_klogd+0x180/0x180 [ 305.443541] ? attach_entity_load_avg+0x810/0x860 [ 305.448390] ? __lock_acquire+0x600/0x4c20 [ 305.452624] ? mark_held_locks+0x130/0x130 [ 305.456998] ? print_usage_bug+0xc0/0xc0 [ 305.461094] ? find_held_lock+0x36/0x1c0 [ 305.465168] ? mark_held_locks+0xc7/0x130 [ 305.469343] vprintk_default+0x28/0x30 [ 305.473235] vprintk_func+0x7e/0x181 [ 305.476953] printk+0xa7/0xcf [ 305.480062] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 305.484837] show_free_areas.cold.118+0x1f34/0x215d [ 305.489885] ? si_meminfo_node+0x260/0x260 [ 305.494131] ? __lock_acquire+0x62f/0x4c20 [ 305.498372] ? __lock_acquire+0x62f/0x4c20 [ 305.502612] ? __lock_is_held+0xb5/0x140 [ 305.506692] ? mark_held_locks+0x130/0x130 [ 305.510937] ? zap_class+0x640/0x640 [ 305.514656] ? put_dec+0x3b/0xf0 [ 305.518038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.523607] ? find_held_lock+0x36/0x1c0 [ 305.527681] ? serial8250_console_write+0x8b3/0xb10 [ 305.532699] ? lock_downgrade+0x900/0x900 [ 305.536848] ? zap_class+0x640/0x640 [ 305.540570] ? zap_class+0x640/0x640 [ 305.544308] ? print_usage_bug+0xc0/0xc0 [ 305.548395] ? do_raw_spin_unlock+0xa7/0x330 [ 305.552803] ? trace_hardirqs_on+0x310/0x310 [ 305.557231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.563290] ? find_held_lock+0x36/0x1c0 [ 305.567373] ? mark_held_locks+0xc7/0x130 [ 305.571531] ? console_unlock+0xfcd/0x1160 [ 305.575771] ? netconsole_netdev_event+0x280/0x280 [ 305.580703] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 305.585292] ? trace_hardirqs_on+0xbd/0x310 [ 305.589625] ? vprintk_emit+0x33d/0x930 [ 305.593611] ? trace_hardirqs_off_caller+0x310/0x310 [ 305.598718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.604276] ? netconsole_netdev_event+0x280/0x280 [ 305.609221] ? console_unlock+0x8d8/0x1160 [ 305.613472] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 305.618149] ? vprintk_emit+0x7f7/0x930 [ 305.622128] ? lock_release+0xa00/0xa00 [ 305.626123] ? preempt_count_add+0xbc/0x1b0 [ 305.630443] ? wake_up_klogd+0x11a/0x180 [ 305.634505] ? console_device+0xc0/0xc0 [ 305.638483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.644036] ? vprintk_emit+0x268/0x930 [ 305.648018] ? wake_up_klogd+0x180/0x180 [ 305.652118] ? trace_hardirqs_on_caller+0xc0/0x310 [ 305.657058] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 305.661818] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.667271] ? retint_kernel+0x1b/0x2d [ 305.671173] ? trace_hardirqs_on+0x310/0x310 [ 305.675597] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 305.680390] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 305.685156] ? show_mem+0x1e/0x17b [ 305.688707] show_mem+0x34/0x17b [ 305.692084] dump_header+0x2f1/0xf72 [ 305.695822] ? mark_held_locks+0x130/0x130 [ 305.700073] ? pagefault_out_of_memory+0x197/0x197 [ 305.705013] ? __lock_acquire+0x62f/0x4c20 [ 305.709258] ? zap_class+0x640/0x640 [ 305.712974] ? percpu_ref_get_many+0x240/0x240 [ 305.717565] ? print_usage_bug+0xc0/0xc0 [ 305.721651] ? print_usage_bug+0xc0/0xc0 [ 305.725733] ? zap_class+0x640/0x640 [ 305.729447] ? print_usage_bug+0xc0/0xc0 [ 305.733524] ? print_usage_bug+0xc0/0xc0 [ 305.737606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.743148] ? find_held_lock+0x36/0x1c0 [ 305.747220] ? mark_held_locks+0xc7/0x130 [ 305.751376] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 305.756489] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 305.761595] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 305.766181] ? trace_hardirqs_on+0xbd/0x310 [ 305.770511] ? kasan_check_read+0x11/0x20 [ 305.774674] ? ___ratelimit+0x3b4/0x672 [ 305.778673] ? trace_hardirqs_off_caller+0x310/0x310 [ 305.783780] ? trace_hardirqs_on+0x310/0x310 [ 305.788190] ? lock_downgrade+0x900/0x900 [ 305.792349] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 305.797456] ? ___ratelimit+0x3b9/0x672 [ 305.801432] ? idr_get_free+0xec0/0xec0 [ 305.805403] ? kasan_check_read+0x11/0x20 [ 305.809566] ? do_raw_spin_unlock+0xa7/0x330 [ 305.813986] oom_kill_process.cold.27+0x10/0x903 [ 305.818750] ? zap_class+0x640/0x640 [ 305.822469] ? _raw_spin_unlock+0x2c/0x50 [ 305.826627] ? oom_badness+0xe6/0xaa0 [ 305.830432] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 305.835364] ? kasan_check_read+0x11/0x20 [ 305.839517] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 305.844809] ? oom_evaluate_task+0x540/0x540 [ 305.849221] ? find_held_lock+0x36/0x1c0 [ 305.853289] ? out_of_memory+0x974/0x1430 [ 305.857463] ? lock_downgrade+0x900/0x900 [ 305.861611] ? check_preemption_disabled+0x48/0x280 [ 305.866635] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 305.871570] ? kasan_check_read+0x11/0x20 [ 305.875722] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 305.881002] ? rcu_softirq_qs+0x20/0x20 [ 305.885035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.890582] ? oom_evaluate_task+0x302/0x540 [ 305.894992] out_of_memory+0xa84/0x1430 [ 305.898985] ? oom_killer_disable+0x3a0/0x3a0 [ 305.903506] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 305.908439] ? __mutex_add_waiter+0x2a0/0x2a0 [ 305.912954] __alloc_pages_slowpath+0x22d4/0x2d70 [ 305.917843] ? warn_alloc+0x120/0x120 [ 305.921649] ? rcu_softirq_qs+0x20/0x20 [ 305.925653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.931187] ? should_fail+0x22d/0xd01 [ 305.935079] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.940191] ? zap_class+0x640/0x640 [ 305.943930] ? __lock_is_held+0xb5/0x140 [ 305.948007] ? mark_held_locks+0x130/0x130 [ 305.952270] ? lock_release+0xa00/0xa00 [ 305.956250] ? perf_trace_sched_process_exec+0x860/0x860 [ 305.961735] ? __might_sleep+0x95/0x190 [ 305.965716] __alloc_pages_nodemask+0xa80/0xde0 [ 305.970394] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 305.975426] ? __page_cache_alloc+0x191/0x5c0 [ 305.979960] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 305.984915] ? kasan_check_read+0x11/0x20 [ 305.989066] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 305.994352] ? zap_class+0x640/0x640 [ 305.998076] ? zap_class+0x640/0x640 [ 306.001796] ? zap_class+0x640/0x640 [ 306.005511] ? __do_page_cache_readahead+0x7ce/0x980 [ 306.010617] ? find_held_lock+0x36/0x1c0 [ 306.014699] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 306.020247] alloc_pages_current+0x173/0x350 [ 306.024666] __page_cache_alloc+0x38c/0x5c0 [ 306.029017] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.033958] ? kasan_check_read+0x11/0x20 [ 306.038112] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.043394] ? generic_perform_write+0x6a0/0x6a0 [ 306.048151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.053694] ? check_preemption_disabled+0x48/0x280 [ 306.058735] filemap_fault+0x1594/0x25f0 [ 306.062811] ? __lock_page_or_retry+0xa00/0xa00 [ 306.067485] ? mark_held_locks+0x130/0x130 [ 306.071734] ? rcu_softirq_qs+0x20/0x20 [ 306.075725] ? filemap_map_pages+0xe04/0x1990 [ 306.080260] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 306.085224] ? futex_wait_setup+0x15c/0x3e0 [ 306.089563] ? zap_class+0x640/0x640 [ 306.093292] ? lock_acquire+0x1ed/0x520 [ 306.097270] ? alloc_set_pte+0x1447/0x1f40 [ 306.101535] ? lock_acquire+0x1ed/0x520 [ 306.105515] ? ext4_filemap_fault+0x7a/0xad [ 306.109849] ? lock_release+0xa00/0xa00 [ 306.113835] ? perf_trace_sched_process_exec+0x860/0x860 [ 306.119286] ? print_usage_bug+0xc0/0xc0 [ 306.123349] ? print_usage_bug+0xc0/0xc0 [ 306.127436] ? down_read+0x8d/0x120 [ 306.131108] ? ext4_filemap_fault+0x7a/0xad [ 306.135449] ? __down_interruptible+0x700/0x700 [ 306.140130] ext4_filemap_fault+0x82/0xad [ 306.144283] __do_fault+0x100/0x6b0 [ 306.147912] ? unlock_page+0x2c2/0x4c0 [ 306.151799] ? pmd_devmap_trans_unstable+0x220/0x220 [ 306.156906] ? mark_held_locks+0x130/0x130 [ 306.161143] ? mark_held_locks+0x130/0x130 [ 306.165379] ? do_raw_spin_trylock+0x270/0x270 [ 306.169975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.175518] __handle_mm_fault+0x307c/0x5920 [ 306.179960] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 306.184869] ? kasan_check_read+0x11/0x20 [ 306.189038] ? _copy_to_user+0xc8/0x110 [ 306.193022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.198599] ? zap_class+0x640/0x640 [ 306.202312] ? zap_class+0x640/0x640 [ 306.206040] ? find_held_lock+0x36/0x1c0 [ 306.210117] ? handle_mm_fault+0x42a/0xc70 [ 306.214352] ? lock_downgrade+0x900/0x900 [ 306.218503] ? check_preemption_disabled+0x48/0x280 [ 306.223531] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 306.228474] ? kasan_check_read+0x11/0x20 [ 306.232624] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.237903] ? rcu_softirq_qs+0x20/0x20 [ 306.241879] ? trace_hardirqs_off_caller+0x310/0x310 [ 306.246986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.252545] ? check_preemption_disabled+0x48/0x280 [ 306.257588] handle_mm_fault+0x54f/0xc70 [ 306.261657] ? __handle_mm_fault+0x5920/0x5920 [ 306.266269] ? find_vma+0x34/0x190 [ 306.269817] __do_page_fault+0x5e8/0xe60 [ 306.273877] ? trace_hardirqs_off+0xb8/0x310 [ 306.278286] ? __ia32_sys_read+0xb0/0xb0 [ 306.282360] do_page_fault+0xf2/0x7e0 [ 306.286168] ? vmalloc_sync_all+0x30/0x30 [ 306.290341] ? error_entry+0x70/0xd0 [ 306.294076] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.299094] ? trace_hardirqs_on_caller+0xc0/0x310 [ 306.304064] ? syscall_return_slowpath+0x5e0/0x5e0 [ 306.308996] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.313848] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.318868] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.324329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.329866] ? prepare_exit_to_usermode+0x291/0x3b0 [ 306.334886] ? page_fault+0x8/0x30 [ 306.338430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.343280] ? page_fault+0x8/0x30 [ 306.346851] page_fault+0x1e/0x30 [ 306.350303] RIP: 0033:0x4727a0 [ 306.353513] Code: Bad RIP value. [ 306.356879] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 306.362244] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 306.369514] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 306.376806] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 306.384079] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 306.391347] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 306.398663] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 306.398681] warn_alloc_show_mem: 1 callbacks suppressed [ 306.398689] Mem-Info: [ 306.405640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.411033] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 306.411033] active_file:12 inactive_file:13 isolated_file:0 [ 306.411033] unevictable:0 dirty:0 writeback:0 unstable:0 [ 306.411033] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 306.411033] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 306.411033] free:13771 free_pcp:124 free_cma:0 [ 306.413409] Call Trace: [ 306.422840] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 306.455715] [ 306.458287] Node 0 [ 306.485701] dump_stack+0x244/0x39d [ 306.487849] 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 [ 306.490069] ? dump_stack_print_info.cold.1+0x20/0x20 [ 306.493662] lowmem_reserve[]: 0 [ 306.519181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.524354] 2818 [ 306.527647] warn_alloc.cold.117+0xb7/0x1bd [ 306.533154] 6321 [ 306.535220] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.539515] 6321 [ 306.541599] ? lock_downgrade+0x900/0x900 [ 306.546418] Node 0 [ 306.548488] ? trace_hardirqs_off+0xb8/0x310 [ 306.552633] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 306.554847] ? trace_hardirqs_off+0xb8/0x310 [ 306.559223] lowmem_reserve[]: 0 [ 306.586216] __alloc_pages_slowpath+0x2660/0x2d70 [ 306.590616] 0 [ 306.593927] ? warn_alloc+0x120/0x120 [ 306.598725] 3503 [ 306.600527] ? warn_alloc+0x120/0x120 [ 306.604300] 3503 [ 306.606372] ? print_usage_bug+0xc0/0xc0 [ 306.610152] Node 0 [ 306.612224] ? warn_alloc+0x120/0x120 [ 306.616306] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 306.618516] ? print_usage_bug+0xc0/0xc0 [ 306.622298] lowmem_reserve[]: [ 306.650407] ? __lock_acquire+0x62f/0x4c20 [ 306.654459] 0 [ 306.657577] ? __lock_acquire+0x62f/0x4c20 [ 306.661793] 0 [ 306.663635] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.667842] 0 [ 306.669654] ? should_fail+0x22d/0xd01 [ 306.675194] 0 [ 306.677001] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.682672] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.687982] Node 0 [ 306.693217] ? __lock_acquire+0x62f/0x4c20 [ 306.693220] DMA: 1*4kB [ 306.695461] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.699674] (U) [ 306.702255] ? __lock_acquire+0x62f/0x4c20 [ 306.707340] 0*8kB [ 306.709313] ? should_fail+0x22d/0xd01 [ 306.713526] 0*16kB [ 306.715674] ? rcu_irq_exit+0x1a2/0x390 [ 306.719540] 1*32kB [ 306.721787] ? mark_held_locks+0x130/0x130 [ 306.725733] (U) [ 306.727967] ? mark_held_locks+0x130/0x130 [ 306.732181] 2*64kB [ 306.734168] ? mark_held_locks+0xc7/0x130 [ 306.738382] (U) [ 306.740621] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 306.744747] 1*128kB [ 306.746720] ? zap_class+0x640/0x640 [ 306.751714] (U) [ 306.754046] ? print_usage_bug+0xc0/0xc0 [ 306.757739] 1*256kB [ 306.759715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.763750] (U) [ 306.766077] ? check_preemption_disabled+0x48/0x280 [ 306.771592] 0*512kB [ 306.773568] ? __lock_is_held+0xb5/0x140 [ 306.778560] 1*1024kB (U) [ 306.780896] __alloc_pages_nodemask+0xa80/0xde0 [ 306.784936] 1*2048kB [ 306.787689] ? zap_class+0x640/0x640 [ 306.792337] (M) [ 306.794750] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 306.798451] 3*4096kB [ 306.800429] ? find_held_lock+0x36/0x1c0 [ 306.805423] (M) [ 306.807837] ? ____cache_alloc_node+0x1c7/0x1e0 [ 306.811879] = 15908kB [ 306.811900] Node 0 [ 306.813872] ? lock_downgrade+0x900/0x900 [ 306.818519] DMA32: [ 306.820930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.823147] 4*4kB [ 306.827300] cache_grow_begin+0xa5/0x8c0 [ 306.829519] (M) [ 306.835062] ? do_raw_spin_unlock+0xa7/0x330 [ 306.837182] 0*8kB 2*16kB [ 306.841264] fallback_alloc+0x204/0x2e0 [ 306.843221] (M) [ 306.847631] ____cache_alloc_node+0x1c7/0x1e0 [ 306.850369] 2*32kB [ 306.854339] kmem_cache_alloc_node+0xe3/0x730 [ 306.856297] (UM) [ 306.860805] ? ipv6_get_ifaddr+0x42e/0x620 [ 306.863040] 4*64kB [ 306.867555] __alloc_skb+0x119/0x770 [ 306.869611] (UM) [ 306.873865] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 306.876084] 4*128kB [ 306.879794] ? netdev_alloc_frag+0x1f0/0x1f0 [ 306.881853] (M) [ 306.887130] ? lock_downgrade+0x900/0x900 [ 306.889436] 3*256kB [ 306.893845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.895795] (M) [ 306.899943] ? refcount_sub_and_test_checked+0x203/0x310 [ 306.902245] 4*512kB [ 306.907782] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 306.909736] (UM) [ 306.915185] ? addrconf_rs_timer+0x690/0x690 [ 306.917490] 3*1024kB [ 306.922940] ndisc_alloc_skb+0x144/0x340 [ 306.924974] (UM) [ 306.929382] ndisc_send_rs+0x331/0x6e0 [ 306.931786] 3*2048kB [ 306.935845] addrconf_rs_timer+0x314/0x690 [ 306.937882] (UM) [ 306.941766] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.944157] 3*4096kB [ 306.948401] call_timer_fn+0x272/0x920 [ 306.950434] (M) [ 306.954663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.957052] = 25200kB [ 306.957062] Node 0 [ 306.960951] ? process_timeout+0x40/0x40 [ 306.962907] Normal: [ 306.967155] ? __run_timers+0x7da/0xc70 [ 306.969544] 786*4kB [ 306.971789] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.975829] (MEH) [ 306.978157] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.982137] 440*8kB [ 306.984453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.988924] (UMEH) 141*16kB [ 306.991098] ? lockdep_hardirqs_on+0x296/0x5b0 [ 306.995570] (MEH) [ 306.997898] ? trace_hardirqs_on+0xbd/0x310 [ 307.002110] 54*32kB [ 307.005141] ? kasan_check_read+0x11/0x20 [ 307.009694] (MEH) [ 307.011841] ? __run_timers+0x7da/0xc70 [ 307.016143] 14*64kB [ 307.018466] ? trace_hardirqs_off_caller+0x310/0x310 [ 307.022593] (UME) [ 307.024738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.028689] 1*128kB [ 307.031009] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.036098] (H) [ 307.038271] __run_timers+0x7e5/0xc70 [ 307.042485] 1*256kB [ 307.044818] ? timer_fixup_init+0x70/0x70 [ 307.049040] (H) [ 307.051054] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 307.054827] 2*512kB [ 307.057154] ? zap_class+0x640/0x640 [ 307.061289] (H) [ 307.063274] ? enqueue_hrtimer+0x1a5/0x560 [ 307.068273] 1*1024kB [ 307.070608] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 307.074301] (U) [ 307.076281] ? find_held_lock+0x36/0x1c0 [ 307.080490] 0*2048kB 0*4096kB [ 307.082914] ? zap_class+0x640/0x640 [ 307.088084] = 13976kB [ 307.090070] ? pvclock_read_flags+0x160/0x160 [ 307.094116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 307.097306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.101018] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 307.103440] ? check_preemption_disabled+0x48/0x280 [ 307.107924] 163 total pagecache pages [ 307.116773] ? __lock_is_held+0xb5/0x140 [ 307.122311] 0 pages in swap cache [ 307.130887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.135885] Swap cache stats: add 0, delete 0, find 0/0 [ 307.139679] ? check_preemption_disabled+0x48/0x280 [ 307.143719] Free swap = 0kB [ 307.147169] run_timer_softirq+0x52/0xb0 [ 307.152698] Total swap = 0kB [ 307.158067] ? rcu_read_lock_sched_held+0x14f/0x180 [ 307.163058] 1965979 pages RAM [ 307.163067] 0 pages HighMem/MovableOnly [ 307.166091] __do_softirq+0x308/0xb7e [ 307.170145] 342867 pages reserved [ 307.173160] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 307.178157] 0 pages cma reserved [ 307.181263] ? lock_downgrade+0x900/0x900 [ 307.185323] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.189033] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 307.192525] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.196958] ? pvclock_read_flags+0x160/0x160 [ 307.200300] syz-fuzzer cpuset= [ 307.204448] ? lapic_next_event+0x5a/0x90 [ 307.210918] / [ 307.216035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.226241] mems_allowed=0 [ 307.230734] ? kvm_clock_read+0x18/0x30 [ 307.252186] ? kvm_sched_clock_read+0x9/0x20 [ 307.256602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.262154] ? check_preemption_disabled+0x48/0x280 [ 307.267185] irq_exit+0x17f/0x1c0 [ 307.270645] smp_apic_timer_interrupt+0x1cb/0x760 [ 307.275486] ? smp_reschedule_interrupt+0x109/0x650 [ 307.280504] ? smp_call_function_single_interrupt+0x650/0x650 [ 307.286406] ? interrupt_entry+0xb5/0xc0 [ 307.290475] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.295490] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.300511] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.305401] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.310431] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.315448] ? task_prio+0x50/0x50 [ 307.318992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.324546] ? check_preemption_disabled+0x48/0x280 [ 307.329573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.334440] apic_timer_interrupt+0xf/0x20 [ 307.338669] [ 307.340919] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 307.346818] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 307.365716] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 307.373425] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 307.380696] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 307.387966] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 307.395242] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 307.402569] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 307.409909] ? save_stack+0xa9/0xd0 [ 307.413560] __kmalloc_node_track_caller+0x33/0x70 [ 307.418517] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 307.423305] pskb_expand_head+0x230/0x10f0 [ 307.427575] ? memcpy+0x45/0x50 [ 307.430860] ? __copy_skb_header+0x350/0x6b0 [ 307.435271] ? skb_release_data+0x880/0x880 [ 307.439595] ? __alloc_skb+0x770/0x770 [ 307.443498] ? __lock_is_held+0xb5/0x140 [ 307.447584] ? kasan_check_write+0x14/0x20 [ 307.451824] ? __skb_clone+0x6c7/0xa00 [ 307.456990] ? __copy_skb_header+0x6b0/0x6b0 [ 307.461415] ? kmem_cache_alloc+0x33a/0x730 [ 307.465757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.471314] skb_ensure_writable+0x3dd/0x640 [ 307.475752] ? skb_checksum_setup+0xaa0/0xaa0 [ 307.480252] ? check_preemption_disabled+0x48/0x280 [ 307.485280] ? __this_cpu_preempt_check+0x1c/0x20 [ 307.490133] ? __bpf_redirect+0x54b/0xb20 [ 307.494322] bpf_clone_redirect+0x14a/0x490 [ 307.498675] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 307.503764] ? __sched_text_start+0x8/0x8 [ 307.507921] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.512699] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 307.517286] ? retint_kernel+0x2d/0x2d [ 307.521183] ? find_held_lock+0x36/0x1c0 [ 307.525252] ? lock_acquire+0x1ed/0x520 [ 307.529230] ? bpf_test_run+0x3cb/0x780 [ 307.533232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.538777] ? check_preemption_disabled+0x48/0x280 [ 307.543823] ? kasan_check_read+0x11/0x20 [ 307.547980] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 307.553262] ? rcu_softirq_qs+0x20/0x20 [ 307.557258] ? preempt_schedule+0x4d/0x60 [ 307.561633] ? ___preempt_schedule+0x16/0x18 [ 307.566068] ? bpf_test_run+0x25d/0x780 [ 307.570065] ? netlink_diag_dump+0x2a0/0x2a0 [ 307.574487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.580072] ? bpf_test_init.isra.10+0x70/0x100 [ 307.584760] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 307.589528] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 307.594375] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 307.599918] ? fput+0x130/0x1a0 [ 307.603202] ? __bpf_prog_get+0x9b/0x290 [ 307.607270] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 307.612117] ? bpf_prog_test_run+0x130/0x1a0 [ 307.616536] ? __x64_sys_bpf+0x3d8/0x520 [ 307.620604] ? bpf_prog_get+0x20/0x20 [ 307.624444] ? do_syscall_64+0x1b9/0x820 [ 307.628559] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 307.633938] ? syscall_return_slowpath+0x5e0/0x5e0 [ 307.638879] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.643898] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 307.648919] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 307.655612] ? __switch_to_asm+0x40/0x70 [ 307.659678] ? __switch_to_asm+0x34/0x70 [ 307.663751] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.668607] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 307.673994] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 307.674123] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.680686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.680691] Call Trace: [ 307.680700] [ 307.680722] dump_stack+0x244/0x39d [ 307.680741] ? dump_stack_print_info.cold.1+0x20/0x20 [ 307.687337] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.696619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.699181] syz-executor5 cpuset= [ 307.701364] warn_alloc.cold.117+0xb7/0x1bd [ 307.704963] syz5 [ 307.710161] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.720648] mems_allowed=0 [ 307.743710] ? lock_downgrade+0x900/0x900 [ 307.747869] ? trace_hardirqs_off+0xb8/0x310 [ 307.752285] ? trace_hardirqs_off+0xb8/0x310 [ 307.756712] __alloc_pages_slowpath+0x2660/0x2d70 [ 307.761609] ? warn_alloc+0x120/0x120 [ 307.765418] ? warn_alloc+0x120/0x120 [ 307.769228] ? print_usage_bug+0xc0/0xc0 [ 307.773296] ? warn_alloc+0x120/0x120 [ 307.777136] ? print_usage_bug+0xc0/0xc0 [ 307.781202] ? __lock_acquire+0x62f/0x4c20 [ 307.785438] ? __lock_acquire+0x62f/0x4c20 [ 307.789688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.795228] ? should_fail+0x22d/0xd01 [ 307.799142] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.804250] ? __lock_acquire+0x62f/0x4c20 [ 307.808490] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.813606] ? __lock_acquire+0x62f/0x4c20 [ 307.817852] ? should_fail+0x22d/0xd01 [ 307.821755] ? find_held_lock+0x36/0x1c0 [ 307.825829] ? mark_held_locks+0x130/0x130 [ 307.830078] ? mark_held_locks+0x130/0x130 [ 307.834319] ? zap_class+0x640/0x640 [ 307.838069] ? zap_class+0x640/0x640 [ 307.841798] ? print_usage_bug+0xc0/0xc0 [ 307.845893] ? do_raw_spin_unlock+0xa7/0x330 [ 307.850331] ? zap_class+0x640/0x640 [ 307.854052] ? print_usage_bug+0xc0/0xc0 [ 307.858117] ? wq_watchdog_touch+0x9c/0xfe [ 307.862371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.867913] ? check_preemption_disabled+0x48/0x280 [ 307.872945] ? __lock_is_held+0xb5/0x140 [ 307.877019] __alloc_pages_nodemask+0xa80/0xde0 [ 307.881708] ? zap_class+0x640/0x640 [ 307.885433] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 307.890472] ? find_held_lock+0x36/0x1c0 [ 307.894567] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.899245] ? lock_downgrade+0x900/0x900 [ 307.903405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.908985] cache_grow_begin+0xa5/0x8c0 [ 307.913065] ? do_raw_spin_unlock+0xa7/0x330 [ 307.917498] fallback_alloc+0x204/0x2e0 [ 307.921483] ____cache_alloc_node+0x1c7/0x1e0 [ 307.925998] kmem_cache_alloc_node+0xe3/0x730 [ 307.930526] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.934779] __alloc_skb+0x119/0x770 [ 307.938501] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 307.943800] ? netdev_alloc_frag+0x1f0/0x1f0 [ 307.948231] ? lock_downgrade+0x900/0x900 [ 307.952407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.957960] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.963444] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.968907] ? addrconf_rs_timer+0x690/0x690 [ 307.973341] ndisc_alloc_skb+0x144/0x340 [ 307.977425] ndisc_send_rs+0x331/0x6e0 [ 307.981323] addrconf_rs_timer+0x314/0x690 [ 307.985576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.989836] call_timer_fn+0x272/0x920 [ 307.993731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.997985] ? process_timeout+0x40/0x40 [ 308.002076] ? mark_held_locks+0xc7/0x130 [ 308.006246] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.010738] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.015245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.019486] ? lockdep_hardirqs_on+0x296/0x5b0 [ 308.024083] ? trace_hardirqs_on+0xbd/0x310 [ 308.028423] ? kasan_check_read+0x11/0x20 [ 308.032580] ? __run_timers+0x7da/0xc70 [ 308.036564] ? trace_hardirqs_off_caller+0x310/0x310 [ 308.041678] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.045924] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.050172] __run_timers+0x7e5/0xc70 [ 308.053990] ? timer_fixup_init+0x70/0x70 [ 308.058159] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.063179] ? zap_class+0x640/0x640 [ 308.066900] ? print_usage_bug+0xc0/0xc0 [ 308.070966] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 308.076170] ? find_held_lock+0x36/0x1c0 [ 308.080245] ? zap_class+0x640/0x640 [ 308.083972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.089522] ? check_preemption_disabled+0x48/0x280 [ 308.094616] ? __lock_is_held+0xb5/0x140 [ 308.098680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.104255] ? check_preemption_disabled+0x48/0x280 [ 308.109282] run_timer_softirq+0x52/0xb0 [ 308.113375] ? rcu_read_lock_sched_held+0x14f/0x180 [ 308.118409] __do_softirq+0x308/0xb7e [ 308.122229] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 308.126725] ? lock_downgrade+0x900/0x900 [ 308.130877] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 308.135990] ? pvclock_read_flags+0x160/0x160 [ 308.140507] ? lapic_next_event+0x5a/0x90 [ 308.144664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.150209] ? kvm_clock_read+0x18/0x30 [ 308.154189] ? kvm_sched_clock_read+0x9/0x20 [ 308.158603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.164147] ? check_preemption_disabled+0x48/0x280 [ 308.169201] irq_exit+0x17f/0x1c0 [ 308.172682] smp_apic_timer_interrupt+0x1cb/0x760 [ 308.177528] ? smp_reschedule_interrupt+0x109/0x650 [ 308.182566] ? smp_call_function_single_interrupt+0x650/0x650 [ 308.188456] ? interrupt_entry+0xb5/0xc0 [ 308.192530] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.197573] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.202626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.207469] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.212486] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.217509] ? task_prio+0x50/0x50 [ 308.221059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.226599] ? check_preemption_disabled+0x48/0x280 [ 308.231627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.236489] apic_timer_interrupt+0xf/0x20 [ 308.240721] [ 308.242964] RIP: 0010:console_unlock+0xffa/0x1160 [ 308.247810] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 308.266727] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 308.274453] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 308.281742] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 308.289047] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 308.296330] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 308.303601] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 308.310913] ? netconsole_netdev_event+0x280/0x280 [ 308.315857] ? console_unlock+0xff1/0x1160 [ 308.320139] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 308.324815] ? lock_release+0xa00/0xa00 [ 308.328798] ? interrupt_entry+0xc0/0xc0 [ 308.332879] vprintk_emit+0x33d/0x930 [ 308.336699] ? wake_up_klogd+0x180/0x180 [ 308.340761] ? attach_entity_load_avg+0x810/0x860 [ 308.345611] ? __lock_acquire+0x600/0x4c20 [ 308.349859] ? mark_held_locks+0x130/0x130 [ 308.354098] ? print_usage_bug+0xc0/0xc0 [ 308.358194] ? find_held_lock+0x36/0x1c0 [ 308.362271] ? mark_held_locks+0xc7/0x130 [ 308.366430] vprintk_default+0x28/0x30 [ 308.370326] vprintk_func+0x7e/0x181 [ 308.374059] printk+0xa7/0xcf [ 308.377179] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 308.381978] show_free_areas.cold.118+0x1f34/0x215d [ 308.387052] ? si_meminfo_node+0x260/0x260 [ 308.391327] ? __lock_acquire+0x62f/0x4c20 [ 308.395620] ? __lock_acquire+0x62f/0x4c20 [ 308.399875] ? __lock_is_held+0xb5/0x140 [ 308.403967] ? mark_held_locks+0x130/0x130 [ 308.408226] ? zap_class+0x640/0x640 [ 308.411951] ? put_dec+0x3b/0xf0 [ 308.415343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.420909] ? find_held_lock+0x36/0x1c0 [ 308.425029] ? serial8250_console_write+0x8b3/0xb10 [ 308.430070] ? lock_downgrade+0x900/0x900 [ 308.434281] ? zap_class+0x640/0x640 [ 308.438012] ? zap_class+0x640/0x640 [ 308.441768] ? print_usage_bug+0xc0/0xc0 [ 308.445841] ? do_raw_spin_unlock+0xa7/0x330 [ 308.450258] ? trace_hardirqs_on+0x310/0x310 [ 308.454672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.460230] ? find_held_lock+0x36/0x1c0 [ 308.464305] ? mark_held_locks+0xc7/0x130 [ 308.468471] ? console_unlock+0xfcd/0x1160 [ 308.472710] ? netconsole_netdev_event+0x280/0x280 [ 308.477643] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 308.482233] ? trace_hardirqs_on+0xbd/0x310 [ 308.486568] ? vprintk_emit+0x33d/0x930 [ 308.490580] ? trace_hardirqs_off_caller+0x310/0x310 [ 308.495696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.501250] ? netconsole_netdev_event+0x280/0x280 [ 308.506196] ? console_unlock+0x8d8/0x1160 [ 308.510453] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 308.515137] ? vprintk_emit+0x7f7/0x930 [ 308.519122] ? lock_release+0xa00/0xa00 [ 308.523308] ? preempt_count_add+0xbc/0x1b0 [ 308.527636] ? wake_up_klogd+0x11a/0x180 [ 308.531715] ? console_device+0xc0/0xc0 [ 308.535693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.541241] ? vprintk_emit+0x268/0x930 [ 308.545233] ? wake_up_klogd+0x180/0x180 [ 308.549296] ? trace_hardirqs_on_caller+0xc0/0x310 [ 308.554229] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 308.558989] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.564466] ? retint_kernel+0x1b/0x2d [ 308.568356] ? trace_hardirqs_on+0x310/0x310 [ 308.572781] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 308.577562] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 308.582327] ? show_mem+0x1e/0x17b [ 308.585887] show_mem+0x34/0x17b [ 308.589261] dump_header+0x2f1/0xf72 [ 308.592989] ? mark_held_locks+0x130/0x130 [ 308.597236] ? pagefault_out_of_memory+0x197/0x197 [ 308.602182] ? __lock_acquire+0x62f/0x4c20 [ 308.606433] ? zap_class+0x640/0x640 [ 308.610168] ? percpu_ref_get_many+0x240/0x240 [ 308.614806] ? print_usage_bug+0xc0/0xc0 [ 308.618902] ? print_usage_bug+0xc0/0xc0 [ 308.622972] ? zap_class+0x640/0x640 [ 308.626714] ? print_usage_bug+0xc0/0xc0 [ 308.630780] ? print_usage_bug+0xc0/0xc0 [ 308.634855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.640413] ? find_held_lock+0x36/0x1c0 [ 308.644497] ? mark_held_locks+0xc7/0x130 [ 308.648659] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 308.653769] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 308.658884] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 308.663472] ? trace_hardirqs_on+0xbd/0x310 [ 308.667800] ? kasan_check_read+0x11/0x20 [ 308.671962] ? ___ratelimit+0x3b4/0x672 [ 308.675952] ? trace_hardirqs_off_caller+0x310/0x310 [ 308.681071] ? trace_hardirqs_on+0x310/0x310 [ 308.685487] ? lock_downgrade+0x900/0x900 [ 308.689652] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 308.694781] ? ___ratelimit+0x3b9/0x672 [ 308.698796] ? idr_get_free+0xec0/0xec0 [ 308.702786] ? kasan_check_read+0x11/0x20 [ 308.706951] ? do_raw_spin_unlock+0xa7/0x330 [ 308.711375] oom_kill_process.cold.27+0x10/0x903 [ 308.716149] ? zap_class+0x640/0x640 [ 308.719873] ? _raw_spin_unlock+0x2c/0x50 [ 308.724042] ? oom_badness+0xe6/0xaa0 [ 308.727886] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.732855] ? kasan_check_read+0x11/0x20 [ 308.737039] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.742341] ? oom_evaluate_task+0x540/0x540 [ 308.746787] ? find_held_lock+0x36/0x1c0 [ 308.750869] ? out_of_memory+0x974/0x1430 [ 308.755047] ? lock_downgrade+0x900/0x900 [ 308.759209] ? check_preemption_disabled+0x48/0x280 [ 308.764242] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.769182] ? kasan_check_read+0x11/0x20 [ 308.773337] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.778623] ? rcu_softirq_qs+0x20/0x20 [ 308.782613] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.788156] ? oom_evaluate_task+0x302/0x540 [ 308.792580] out_of_memory+0xa84/0x1430 [ 308.796576] ? oom_killer_disable+0x3a0/0x3a0 [ 308.801085] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 308.806046] ? __mutex_add_waiter+0x2a0/0x2a0 [ 308.810576] __alloc_pages_slowpath+0x22d4/0x2d70 [ 308.815463] ? warn_alloc+0x120/0x120 [ 308.819274] ? rcu_softirq_qs+0x20/0x20 [ 308.823289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.828856] ? should_fail+0x22d/0xd01 [ 308.832751] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.837860] ? zap_class+0x640/0x640 [ 308.841607] ? __lock_is_held+0xb5/0x140 [ 308.845683] ? mark_held_locks+0x130/0x130 [ 308.849921] ? lock_release+0xa00/0xa00 [ 308.853938] ? perf_trace_sched_process_exec+0x860/0x860 [ 308.859424] ? __might_sleep+0x95/0x190 [ 308.863421] __alloc_pages_nodemask+0xa80/0xde0 [ 308.868101] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 308.873127] ? __page_cache_alloc+0x191/0x5c0 [ 308.877630] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.882587] ? kasan_check_read+0x11/0x20 [ 308.886749] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.892047] ? zap_class+0x640/0x640 [ 308.895786] ? zap_class+0x640/0x640 [ 308.899546] ? zap_class+0x640/0x640 [ 308.903288] ? __do_page_cache_readahead+0x7ce/0x980 [ 308.908407] ? find_held_lock+0x36/0x1c0 [ 308.912479] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 308.918038] alloc_pages_current+0x173/0x350 [ 308.922460] __page_cache_alloc+0x38c/0x5c0 [ 308.926787] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 308.931719] ? kasan_check_read+0x11/0x20 [ 308.935872] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 308.941160] ? generic_perform_write+0x6a0/0x6a0 [ 308.945929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.951495] ? check_preemption_disabled+0x48/0x280 [ 308.956542] filemap_fault+0x1594/0x25f0 [ 308.960629] ? __lock_page_or_retry+0xa00/0xa00 [ 308.965310] ? mark_held_locks+0x130/0x130 [ 308.969594] ? rcu_softirq_qs+0x20/0x20 [ 308.973605] ? filemap_map_pages+0xe04/0x1990 [ 308.978125] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 308.983076] ? futex_wait_setup+0x15c/0x3e0 [ 308.987415] ? zap_class+0x640/0x640 [ 308.991143] ? lock_acquire+0x1ed/0x520 [ 308.995222] ? alloc_set_pte+0x1447/0x1f40 [ 308.999480] ? lock_acquire+0x1ed/0x520 [ 309.003459] ? ext4_filemap_fault+0x7a/0xad [ 309.007794] ? lock_release+0xa00/0xa00 [ 309.011776] ? perf_trace_sched_process_exec+0x860/0x860 [ 309.017252] ? print_usage_bug+0xc0/0xc0 [ 309.021324] ? print_usage_bug+0xc0/0xc0 [ 309.025409] ? down_read+0x8d/0x120 [ 309.029059] ? ext4_filemap_fault+0x7a/0xad [ 309.033432] ? __down_interruptible+0x700/0x700 [ 309.038119] ext4_filemap_fault+0x82/0xad [ 309.042309] __do_fault+0x100/0x6b0 [ 309.045951] ? unlock_page+0x2c2/0x4c0 [ 309.049849] ? pmd_devmap_trans_unstable+0x220/0x220 [ 309.054962] ? mark_held_locks+0x130/0x130 [ 309.059209] ? mark_held_locks+0x130/0x130 [ 309.063449] ? do_raw_spin_trylock+0x270/0x270 [ 309.068077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.073649] __handle_mm_fault+0x307c/0x5920 [ 309.078087] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 309.082940] ? kasan_check_read+0x11/0x20 [ 309.087093] ? _copy_to_user+0xc8/0x110 [ 309.091076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.096631] ? zap_class+0x640/0x640 [ 309.100348] ? zap_class+0x640/0x640 [ 309.104101] ? find_held_lock+0x36/0x1c0 [ 309.108185] ? handle_mm_fault+0x42a/0xc70 [ 309.112425] ? lock_downgrade+0x900/0x900 [ 309.116598] ? check_preemption_disabled+0x48/0x280 [ 309.121628] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 309.126581] ? kasan_check_read+0x11/0x20 [ 309.130786] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.136079] ? rcu_softirq_qs+0x20/0x20 [ 309.140072] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.145200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.150742] ? check_preemption_disabled+0x48/0x280 [ 309.155780] handle_mm_fault+0x54f/0xc70 [ 309.159847] ? __handle_mm_fault+0x5920/0x5920 [ 309.164454] ? find_vma+0x34/0x190 [ 309.168047] __do_page_fault+0x5e8/0xe60 [ 309.172125] ? trace_hardirqs_off+0xb8/0x310 [ 309.176537] ? __ia32_sys_read+0xb0/0xb0 [ 309.180616] do_page_fault+0xf2/0x7e0 [ 309.184437] ? vmalloc_sync_all+0x30/0x30 [ 309.188619] ? error_entry+0x70/0xd0 [ 309.192361] ? trace_hardirqs_off_caller+0xbb/0x310 [ 309.197399] ? trace_hardirqs_on_caller+0xc0/0x310 [ 309.202352] ? syscall_return_slowpath+0x5e0/0x5e0 [ 309.207284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.212134] ? trace_hardirqs_on_caller+0x310/0x310 [ 309.217153] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.222615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.228152] ? prepare_exit_to_usermode+0x291/0x3b0 [ 309.233174] ? page_fault+0x8/0x30 [ 309.236721] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.241576] ? page_fault+0x8/0x30 [ 309.245125] page_fault+0x1e/0x30 [ 309.248583] RIP: 0033:0x4727a0 [ 309.251805] Code: Bad RIP value. [ 309.255178] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 309.260566] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 309.267848] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 309.275153] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 309.282433] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 309.289744] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 309.297102] warn_alloc_show_mem: 1 callbacks suppressed [ 309.297114] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 309.297116] Mem-Info: [ 309.297160] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 309.297160] active_file:12 inactive_file:13 isolated_file:0 [ 309.297160] unevictable:0 dirty:0 writeback:0 unstable:0 [ 309.297160] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 309.297160] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 309.297160] free:13771 free_pcp:124 free_cma:0 [ 309.302528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.302539] Call Trace: [ 309.309492] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 309.311893] [ 309.344789] Node 0 [ 309.354172] dump_stack+0x244/0x39d [ 309.356755] 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 [ 309.384148] ? dump_stack_print_info.cold.1+0x20/0x20 [ 309.386281] lowmem_reserve[]: [ 309.388525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.392132] 0 [ 309.417642] warn_alloc.cold.117+0xb7/0x1bd [ 309.422805] 2818 [ 309.425907] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.431427] 6321 [ 309.433232] ? lock_downgrade+0x900/0x900 [ 309.437544] 6321 [ 309.439612] ? trace_hardirqs_off+0xb8/0x310 [ 309.446508] ? trace_hardirqs_off+0xb8/0x310 [ 309.450640] Node 0 [ 309.452727] __alloc_pages_slowpath+0x2660/0x2d70 [ 309.457350] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 309.461761] ? warn_alloc+0x120/0x120 [ 309.463960] lowmem_reserve[]: [ 309.468799] ? warn_alloc+0x120/0x120 [ 309.495758] 0 [ 309.499581] ? print_usage_bug+0xc0/0xc0 [ 309.502659] 0 3503 [ 309.506476] ? warn_alloc+0x120/0x120 [ 309.508252] 3503 [ 309.512321] ? print_usage_bug+0xc0/0xc0 [ 309.514542] Node 0 [ 309.518354] ? __lock_acquire+0x62f/0x4c20 [ 309.520428] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 309.524473] ? __lock_acquire+0x62f/0x4c20 [ 309.526681] lowmem_reserve[]: 0 [ 309.530954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.559052] 0 0 [ 309.563495] ? should_fail+0x22d/0xd01 [ 309.566754] 0 [ 309.572294] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.578130] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.579922] Node 0 [ 309.585208] ? __lock_acquire+0x62f/0x4c20 [ 309.590313] DMA: 1*4kB [ 309.592613] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.596855] (U) [ 309.599438] ? __lock_acquire+0x62f/0x4c20 [ 309.604520] 0*8kB [ 309.606497] ? should_fail+0x22d/0xd01 [ 309.610712] 0*16kB [ 309.612866] ? rcu_irq_exit+0x1a2/0x390 [ 309.616730] 1*32kB [ 309.618971] ? mark_held_locks+0x130/0x130 [ 309.622918] (U) [ 309.625158] ? mark_held_locks+0x130/0x130 [ 309.629369] 2*64kB (U) [ 309.631366] ? mark_held_locks+0xc7/0x130 [ 309.635586] 1*128kB (U) [ 309.638180] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 309.642302] 1*256kB (U) [ 309.645005] ? zap_class+0x640/0x640 [ 309.650011] 0*512kB 1*1024kB [ 309.652724] ? print_usage_bug+0xc0/0xc0 [ 309.656410] (U) 1*2048kB [ 309.659525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.663591] (M) [ 309.666348] ? check_preemption_disabled+0x48/0x280 [ 309.671865] 3*4096kB [ 309.673847] ? __lock_is_held+0xb5/0x140 [ 309.678863] (M) [ 309.681275] __alloc_pages_nodemask+0xa80/0xde0 [ 309.685311] = 15908kB [ 309.687287] ? zap_class+0x640/0x640 [ 309.691934] Node 0 [ 309.694348] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 309.698047] DMA32: [ 309.700291] ? find_held_lock+0x36/0x1c0 [ 309.705288] 4*4kB [ 309.707542] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.711582] (M) [ 309.713748] ? lock_downgrade+0x900/0x900 [ 309.718397] 0*8kB [ 309.720376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.724499] 2*16kB [ 309.726647] cache_grow_begin+0xa5/0x8c0 [ 309.732162] (M) [ 309.734395] ? do_raw_spin_unlock+0xa7/0x330 [ 309.738440] 2*32kB [ 309.740419] fallback_alloc+0x204/0x2e0 [ 309.744804] (UM) [ 309.747054] ____cache_alloc_node+0x1c7/0x1e0 [ 309.751004] 4*64kB [ 309.753077] kmem_cache_alloc_node+0xe3/0x730 [ 309.757541] (UM) 4*128kB [ 309.759794] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.764270] (M) [ 309.767058] __alloc_skb+0x119/0x770 [ 309.771430] 3*256kB (M) [ 309.773445] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 309.777147] 4*512kB [ 309.779814] ? netdev_alloc_frag+0x1f0/0x1f0 [ 309.785074] (UM) [ 309.787400] ? lock_downgrade+0x900/0x900 [ 309.791786] 3*1024kB [ 309.793864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.797990] (UM) [ 309.800408] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.805919] 3*2048kB [ 309.807978] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.813403] (UM) [ 309.815809] ? addrconf_rs_timer+0x690/0x690 [ 309.821238] 3*4096kB [ 309.823330] ndisc_alloc_skb+0x144/0x340 [ 309.827708] (M) [ 309.830114] ndisc_send_rs+0x331/0x6e0 [ 309.834167] = 25200kB [ 309.834187] Node 0 [ 309.836165] addrconf_rs_timer+0x314/0x690 [ 309.840036] Normal: [ 309.842456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.844674] 786*4kB [ 309.848916] call_timer_fn+0x272/0x920 [ 309.851208] (MEH) [ 309.855435] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.857748] 440*8kB [ 309.861636] ? process_timeout+0x40/0x40 [ 309.863767] (UMEH) [ 309.868007] ? __run_timers+0x7da/0xc70 [ 309.870299] 141*16kB (MEH) [ 309.874372] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.876584] 54*32kB (MEH) [ 309.880563] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.880579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.883501] 14*64kB [ 309.887993] ? lockdep_hardirqs_on+0x296/0x5b0 [ 309.890810] (UME) 1*128kB [ 309.895314] ? trace_hardirqs_on+0xbd/0x310 [ 309.899526] (H) [ 309.901856] ? kasan_check_read+0x11/0x20 [ 309.906413] 1*256kB [ 309.909255] ? __run_timers+0x7da/0xc70 [ 309.913566] (H) 2*512kB [ 309.915551] ? trace_hardirqs_off_caller+0x310/0x310 [ 309.919677] (H) 1*1024kB [ 309.922009] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.925969] (U) [ 309.928636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.933721] 0*2048kB [ 309.936480] __run_timers+0x7e5/0xc70 [ 309.940691] 0*4096kB [ 309.942671] ? timer_fixup_init+0x70/0x70 [ 309.946877] = 13976kB [ 309.949298] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 309.953094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 309.955500] ? zap_class+0x640/0x640 [ 309.959647] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 309.962071] ? enqueue_hrtimer+0x1a5/0x560 [ 309.967073] 163 total pagecache pages [ 309.975902] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 309.979603] 0 pages in swap cache [ 309.988171] ? find_held_lock+0x36/0x1c0 [ 309.992389] Swap cache stats: add 0, delete 0, find 0/0 [ 309.996193] ? zap_class+0x640/0x640 [ 310.001365] Free swap = 0kB [ 310.004819] ? pvclock_read_flags+0x160/0x160 [ 310.008857] Total swap = 0kB [ 310.014230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.017919] 1965979 pages RAM [ 310.020935] ? check_preemption_disabled+0x48/0x280 [ 310.025401] 0 pages HighMem/MovableOnly [ 310.025410] 342867 pages reserved [ 310.028431] ? __lock_is_held+0xb5/0x140 [ 310.033942] 0 pages cma reserved [ 310.037066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.042142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 310.046036] ? check_preemption_disabled+0x48/0x280 [ 310.046062] run_timer_softirq+0x52/0xb0 [ 310.046080] ? rcu_read_lock_sched_held+0x14f/0x180 [ 310.049631] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 310.053605] __do_softirq+0x308/0xb7e [ 310.056961] syz-fuzzer cpuset= [ 310.062502] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 310.068976] / [ 310.073991] ? lock_downgrade+0x900/0x900 [ 310.078044] mems_allowed=0 [ 310.083074] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 310.118631] ? pvclock_read_flags+0x160/0x160 [ 310.123136] ? lapic_next_event+0x5a/0x90 [ 310.127301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.132881] ? kvm_clock_read+0x18/0x30 [ 310.136856] ? kvm_sched_clock_read+0x9/0x20 [ 310.141267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.146805] ? check_preemption_disabled+0x48/0x280 [ 310.151829] irq_exit+0x17f/0x1c0 [ 310.155282] smp_apic_timer_interrupt+0x1cb/0x760 [ 310.160134] ? smp_reschedule_interrupt+0x109/0x650 [ 310.165162] ? smp_call_function_single_interrupt+0x650/0x650 [ 310.171067] ? interrupt_entry+0xb5/0xc0 [ 310.175133] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.180153] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.185173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.190030] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.195071] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.200095] ? task_prio+0x50/0x50 [ 310.203650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.209192] ? check_preemption_disabled+0x48/0x280 [ 310.214236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.219090] apic_timer_interrupt+0xf/0x20 [ 310.223335] [ 310.225576] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 310.231468] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 310.250370] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 310.258104] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 310.265390] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 310.272659] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 310.279925] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 310.287194] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 310.294501] ? save_stack+0xa9/0xd0 [ 310.298143] __kmalloc_node_track_caller+0x33/0x70 [ 310.303087] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 310.307866] pskb_expand_head+0x230/0x10f0 [ 310.312127] ? memcpy+0x45/0x50 [ 310.315409] ? __copy_skb_header+0x350/0x6b0 [ 310.319821] ? skb_release_data+0x880/0x880 [ 310.324161] ? __alloc_skb+0x770/0x770 [ 310.328095] ? __lock_is_held+0xb5/0x140 [ 310.332175] ? kasan_check_write+0x14/0x20 [ 310.336412] ? __skb_clone+0x6c7/0xa00 [ 310.340308] ? __copy_skb_header+0x6b0/0x6b0 [ 310.344717] ? kmem_cache_alloc+0x33a/0x730 [ 310.349057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.354606] skb_ensure_writable+0x3dd/0x640 [ 310.359028] ? skb_checksum_setup+0xaa0/0xaa0 [ 310.363532] ? check_preemption_disabled+0x48/0x280 [ 310.368553] ? __this_cpu_preempt_check+0x1c/0x20 [ 310.373411] ? __bpf_redirect+0x54b/0xb20 [ 310.377570] bpf_clone_redirect+0x14a/0x490 [ 310.381902] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 310.386949] ? __sched_text_start+0x8/0x8 [ 310.391100] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 310.396340] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 310.400927] ? retint_kernel+0x2d/0x2d [ 310.404840] ? find_held_lock+0x36/0x1c0 [ 310.408914] ? lock_acquire+0x1ed/0x520 [ 310.412892] ? bpf_test_run+0x3cb/0x780 [ 310.416865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.422403] ? check_preemption_disabled+0x48/0x280 [ 310.427441] ? kasan_check_read+0x11/0x20 [ 310.431598] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 310.436889] ? rcu_softirq_qs+0x20/0x20 [ 310.440869] ? preempt_schedule+0x4d/0x60 [ 310.445017] ? ___preempt_schedule+0x16/0x18 [ 310.449450] ? bpf_test_run+0x25d/0x780 [ 310.453455] ? netlink_diag_dump+0x2a0/0x2a0 [ 310.457875] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.463409] ? bpf_test_init.isra.10+0x70/0x100 [ 310.468093] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 310.472856] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 310.477695] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.483235] ? fput+0x130/0x1a0 [ 310.486516] ? __bpf_prog_get+0x9b/0x290 [ 310.490595] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 310.495443] ? bpf_prog_test_run+0x130/0x1a0 [ 310.499857] ? __x64_sys_bpf+0x3d8/0x520 [ 310.503918] ? bpf_prog_get+0x20/0x20 [ 310.507738] ? do_syscall_64+0x1b9/0x820 [ 310.511817] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 310.517182] ? syscall_return_slowpath+0x5e0/0x5e0 [ 310.522119] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.527141] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 310.532164] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 310.538832] ? __switch_to_asm+0x40/0x70 [ 310.542891] ? __switch_to_asm+0x34/0x70 [ 310.546959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.551808] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 310.557192] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 310.557286] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 310.564373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.564389] Call Trace: [ 310.570972] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 310.580217] [ 310.582791] syz-executor5 cpuset= [ 310.593275] dump_stack+0x244/0x39d [ 310.595414] syz5 [ 310.598863] ? dump_stack_print_info.cold.1+0x20/0x20 [ 310.602475] mems_allowed=0 [ 310.604447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.618106] warn_alloc.cold.117+0xb7/0x1bd [ 310.622431] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 310.627291] ? lock_downgrade+0x900/0x900 [ 310.631457] ? trace_hardirqs_off+0xb8/0x310 [ 310.635877] ? trace_hardirqs_off+0xb8/0x310 [ 310.640296] __alloc_pages_slowpath+0x2660/0x2d70 [ 310.645173] ? warn_alloc+0x120/0x120 [ 310.648979] ? warn_alloc+0x120/0x120 [ 310.652805] ? print_usage_bug+0xc0/0xc0 [ 310.656883] ? warn_alloc+0x120/0x120 [ 310.660704] ? print_usage_bug+0xc0/0xc0 [ 310.664765] ? __lock_acquire+0x62f/0x4c20 [ 310.668999] ? __lock_acquire+0x62f/0x4c20 [ 310.673250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.678786] ? should_fail+0x22d/0xd01 [ 310.682676] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.687779] ? __lock_acquire+0x62f/0x4c20 [ 310.692029] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.697136] ? __lock_acquire+0x62f/0x4c20 [ 310.701367] ? should_fail+0x22d/0xd01 [ 310.705254] ? find_held_lock+0x36/0x1c0 [ 310.709358] ? mark_held_locks+0x130/0x130 [ 310.713598] ? mark_held_locks+0x130/0x130 [ 310.717835] ? zap_class+0x640/0x640 [ 310.721571] ? zap_class+0x640/0x640 [ 310.725290] ? print_usage_bug+0xc0/0xc0 [ 310.729348] ? do_raw_spin_unlock+0xa7/0x330 [ 310.733758] ? zap_class+0x640/0x640 [ 310.737470] ? print_usage_bug+0xc0/0xc0 [ 310.741540] ? wq_watchdog_touch+0x9c/0xfe [ 310.745802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.751379] ? check_preemption_disabled+0x48/0x280 [ 310.756408] ? __lock_is_held+0xb5/0x140 [ 310.760492] __alloc_pages_nodemask+0xa80/0xde0 [ 310.765177] ? zap_class+0x640/0x640 [ 310.768897] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 310.773926] ? find_held_lock+0x36/0x1c0 [ 310.778008] ? ____cache_alloc_node+0x1c7/0x1e0 [ 310.782687] ? lock_downgrade+0x900/0x900 [ 310.786844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.792409] cache_grow_begin+0xa5/0x8c0 [ 310.796471] ? do_raw_spin_unlock+0xa7/0x330 [ 310.800900] fallback_alloc+0x204/0x2e0 [ 310.804882] ____cache_alloc_node+0x1c7/0x1e0 [ 310.809386] kmem_cache_alloc_node+0xe3/0x730 [ 310.813885] ? ipv6_get_ifaddr+0x42e/0x620 [ 310.818135] __alloc_skb+0x119/0x770 [ 310.821868] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 310.827153] ? netdev_alloc_frag+0x1f0/0x1f0 [ 310.831570] ? lock_downgrade+0x900/0x900 [ 310.835756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.841298] ? refcount_sub_and_test_checked+0x203/0x310 [ 310.846757] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 310.852215] ? addrconf_rs_timer+0x690/0x690 [ 310.856636] ndisc_alloc_skb+0x144/0x340 [ 310.860702] ndisc_send_rs+0x331/0x6e0 [ 310.864598] addrconf_rs_timer+0x314/0x690 [ 310.868841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.873103] call_timer_fn+0x272/0x920 [ 310.876997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.881253] ? process_timeout+0x40/0x40 [ 310.885329] ? mark_held_locks+0xc7/0x130 [ 310.889483] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.893982] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.898478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.902713] ? lockdep_hardirqs_on+0x296/0x5b0 [ 310.907333] ? trace_hardirqs_on+0xbd/0x310 [ 310.911659] ? kasan_check_read+0x11/0x20 [ 310.915808] ? __run_timers+0x7da/0xc70 [ 310.919791] ? trace_hardirqs_off_caller+0x310/0x310 [ 310.924905] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.929158] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.933392] __run_timers+0x7e5/0xc70 [ 310.937221] ? timer_fixup_init+0x70/0x70 [ 310.941387] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 310.946403] ? zap_class+0x640/0x640 [ 310.950124] ? print_usage_bug+0xc0/0xc0 [ 310.954216] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 310.959417] ? find_held_lock+0x36/0x1c0 [ 310.963496] ? zap_class+0x640/0x640 [ 310.967222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.972797] ? check_preemption_disabled+0x48/0x280 [ 310.977833] ? __lock_is_held+0xb5/0x140 [ 310.981912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.987467] ? check_preemption_disabled+0x48/0x280 [ 310.992492] run_timer_softirq+0x52/0xb0 [ 310.996576] ? rcu_read_lock_sched_held+0x14f/0x180 [ 311.001591] __do_softirq+0x308/0xb7e [ 311.005465] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 311.009982] ? lock_downgrade+0x900/0x900 [ 311.014147] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 311.019285] ? pvclock_read_flags+0x160/0x160 [ 311.023801] ? lapic_next_event+0x5a/0x90 [ 311.027967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.033514] ? kvm_clock_read+0x18/0x30 [ 311.037492] ? kvm_sched_clock_read+0x9/0x20 [ 311.041921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.047477] ? check_preemption_disabled+0x48/0x280 [ 311.052543] irq_exit+0x17f/0x1c0 [ 311.056004] smp_apic_timer_interrupt+0x1cb/0x760 [ 311.060878] ? smp_reschedule_interrupt+0x109/0x650 [ 311.065913] ? smp_call_function_single_interrupt+0x650/0x650 [ 311.071806] ? interrupt_entry+0xb5/0xc0 [ 311.075874] ? trace_hardirqs_off_caller+0xbb/0x310 [ 311.080893] ? trace_hardirqs_off_caller+0xbb/0x310 [ 311.085931] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.090784] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.095799] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.100817] ? task_prio+0x50/0x50 [ 311.104378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.109916] ? check_preemption_disabled+0x48/0x280 [ 311.114935] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.119790] apic_timer_interrupt+0xf/0x20 [ 311.124029] [ 311.126276] RIP: 0010:console_unlock+0xffa/0x1160 [ 311.131151] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 311.150111] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 311.157889] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 311.165173] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 311.172442] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 311.179757] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 311.187083] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 311.194367] ? netconsole_netdev_event+0x280/0x280 [ 311.199311] ? console_unlock+0xff1/0x1160 [ 311.203590] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 311.208269] ? lock_release+0xa00/0xa00 [ 311.212271] ? interrupt_entry+0xc0/0xc0 [ 311.216353] vprintk_emit+0x33d/0x930 [ 311.220161] ? wake_up_klogd+0x180/0x180 [ 311.224231] ? attach_entity_load_avg+0x810/0x860 [ 311.229074] ? __lock_acquire+0x600/0x4c20 [ 311.233313] ? mark_held_locks+0x130/0x130 [ 311.237556] ? print_usage_bug+0xc0/0xc0 [ 311.241624] ? find_held_lock+0x36/0x1c0 [ 311.245694] ? mark_held_locks+0xc7/0x130 [ 311.249848] vprintk_default+0x28/0x30 [ 311.253737] vprintk_func+0x7e/0x181 [ 311.257478] printk+0xa7/0xcf [ 311.260587] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 311.265361] show_free_areas.cold.118+0x1f34/0x215d [ 311.270416] ? si_meminfo_node+0x260/0x260 [ 311.274662] ? __lock_acquire+0x62f/0x4c20 [ 311.278910] ? __lock_acquire+0x62f/0x4c20 [ 311.283145] ? __lock_is_held+0xb5/0x140 [ 311.287252] ? mark_held_locks+0x130/0x130 [ 311.291530] ? zap_class+0x640/0x640 [ 311.295292] ? put_dec+0x3b/0xf0 [ 311.298666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.304219] ? find_held_lock+0x36/0x1c0 [ 311.308313] ? serial8250_console_write+0x8b3/0xb10 [ 311.313336] ? lock_downgrade+0x900/0x900 [ 311.317493] ? zap_class+0x640/0x640 [ 311.321231] ? zap_class+0x640/0x640 [ 311.324946] ? print_usage_bug+0xc0/0xc0 [ 311.329007] ? do_raw_spin_unlock+0xa7/0x330 [ 311.333425] ? trace_hardirqs_on+0x310/0x310 [ 311.337833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.343379] ? find_held_lock+0x36/0x1c0 [ 311.347449] ? mark_held_locks+0xc7/0x130 [ 311.351616] ? console_unlock+0xfcd/0x1160 [ 311.355867] ? netconsole_netdev_event+0x280/0x280 [ 311.360799] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 311.365382] ? trace_hardirqs_on+0xbd/0x310 [ 311.369704] ? vprintk_emit+0x33d/0x930 [ 311.373680] ? trace_hardirqs_off_caller+0x310/0x310 [ 311.378789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.384334] ? netconsole_netdev_event+0x280/0x280 [ 311.389271] ? console_unlock+0x8d8/0x1160 [ 311.393532] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 311.398201] ? vprintk_emit+0x7f7/0x930 [ 311.402193] ? lock_release+0xa00/0xa00 [ 311.406186] ? preempt_count_add+0xbc/0x1b0 [ 311.410512] ? wake_up_klogd+0x11a/0x180 [ 311.414593] ? console_device+0xc0/0xc0 [ 311.418575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.424124] ? vprintk_emit+0x268/0x930 [ 311.428110] ? wake_up_klogd+0x180/0x180 [ 311.432173] ? trace_hardirqs_on_caller+0xc0/0x310 [ 311.437157] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 311.441935] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.447406] ? retint_kernel+0x1b/0x2d [ 311.451301] ? trace_hardirqs_on+0x310/0x310 [ 311.455919] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 311.460704] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 311.465480] ? show_mem+0x1e/0x17b [ 311.469035] show_mem+0x34/0x17b [ 311.472417] dump_header+0x2f1/0xf72 [ 311.476141] ? mark_held_locks+0x130/0x130 [ 311.480376] ? pagefault_out_of_memory+0x197/0x197 [ 311.485317] ? __lock_acquire+0x62f/0x4c20 [ 311.489555] ? zap_class+0x640/0x640 [ 311.493333] ? percpu_ref_get_many+0x240/0x240 [ 311.497966] ? print_usage_bug+0xc0/0xc0 [ 311.502037] ? print_usage_bug+0xc0/0xc0 [ 311.506119] ? zap_class+0x640/0x640 [ 311.509869] ? print_usage_bug+0xc0/0xc0 [ 311.513931] ? print_usage_bug+0xc0/0xc0 [ 311.518014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.523583] ? find_held_lock+0x36/0x1c0 [ 311.527655] ? mark_held_locks+0xc7/0x130 [ 311.531870] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 311.537000] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 311.542127] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 311.546735] ? trace_hardirqs_on+0xbd/0x310 [ 311.551062] ? kasan_check_read+0x11/0x20 [ 311.555243] ? ___ratelimit+0x3b4/0x672 [ 311.559224] ? trace_hardirqs_off_caller+0x310/0x310 [ 311.564881] ? trace_hardirqs_on+0x310/0x310 [ 311.569329] ? lock_downgrade+0x900/0x900 [ 311.573538] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 311.578687] ? ___ratelimit+0x3b9/0x672 [ 311.582676] ? idr_get_free+0xec0/0xec0 [ 311.586658] ? kasan_check_read+0x11/0x20 [ 311.590886] ? do_raw_spin_unlock+0xa7/0x330 [ 311.595328] oom_kill_process.cold.27+0x10/0x903 [ 311.600102] ? zap_class+0x640/0x640 [ 311.603821] ? _raw_spin_unlock+0x2c/0x50 [ 311.608001] ? oom_badness+0xe6/0xaa0 [ 311.611878] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.616887] ? kasan_check_read+0x11/0x20 [ 311.621125] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.626407] ? oom_evaluate_task+0x540/0x540 [ 311.630856] ? find_held_lock+0x36/0x1c0 [ 311.634951] ? out_of_memory+0x974/0x1430 [ 311.639104] ? lock_downgrade+0x900/0x900 [ 311.643292] ? check_preemption_disabled+0x48/0x280 [ 311.648338] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.653271] ? kasan_check_read+0x11/0x20 [ 311.657423] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.662757] ? rcu_softirq_qs+0x20/0x20 [ 311.666775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.672314] ? oom_evaluate_task+0x302/0x540 [ 311.676758] out_of_memory+0xa84/0x1430 [ 311.680794] ? oom_killer_disable+0x3a0/0x3a0 [ 311.685300] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 311.690236] ? __mutex_add_waiter+0x2a0/0x2a0 [ 311.694748] __alloc_pages_slowpath+0x22d4/0x2d70 [ 311.699624] ? warn_alloc+0x120/0x120 [ 311.703437] ? rcu_softirq_qs+0x20/0x20 [ 311.707521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.713108] ? should_fail+0x22d/0xd01 [ 311.717001] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.722140] ? zap_class+0x640/0x640 [ 311.725884] ? __lock_is_held+0xb5/0x140 [ 311.729961] ? mark_held_locks+0x130/0x130 [ 311.734199] ? lock_release+0xa00/0xa00 [ 311.738194] ? perf_trace_sched_process_exec+0x860/0x860 [ 311.743706] ? __might_sleep+0x95/0x190 [ 311.747730] __alloc_pages_nodemask+0xa80/0xde0 [ 311.752410] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 311.757435] ? __page_cache_alloc+0x191/0x5c0 [ 311.761936] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.766868] ? kasan_check_read+0x11/0x20 [ 311.771029] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.776313] ? zap_class+0x640/0x640 [ 311.780053] ? zap_class+0x640/0x640 [ 311.783781] ? zap_class+0x640/0x640 [ 311.787497] ? __do_page_cache_readahead+0x7ce/0x980 [ 311.792619] ? find_held_lock+0x36/0x1c0 [ 311.796690] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 311.802253] alloc_pages_current+0x173/0x350 [ 311.806673] __page_cache_alloc+0x38c/0x5c0 [ 311.810999] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 311.815937] ? kasan_check_read+0x11/0x20 [ 311.820089] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 311.825377] ? generic_perform_write+0x6a0/0x6a0 [ 311.830141] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.835699] ? check_preemption_disabled+0x48/0x280 [ 311.840724] filemap_fault+0x1594/0x25f0 [ 311.844801] ? __lock_page_or_retry+0xa00/0xa00 [ 311.849486] ? mark_held_locks+0x130/0x130 [ 311.853737] ? rcu_softirq_qs+0x20/0x20 [ 311.857728] ? filemap_map_pages+0xe04/0x1990 [ 311.862241] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 311.867179] ? futex_wait_setup+0x15c/0x3e0 [ 311.871512] ? zap_class+0x640/0x640 [ 311.875238] ? lock_acquire+0x1ed/0x520 [ 311.879227] ? alloc_set_pte+0x1447/0x1f40 [ 311.883481] ? lock_acquire+0x1ed/0x520 [ 311.887456] ? ext4_filemap_fault+0x7a/0xad [ 311.891785] ? lock_release+0xa00/0xa00 [ 311.895758] ? perf_trace_sched_process_exec+0x860/0x860 [ 311.901211] ? print_usage_bug+0xc0/0xc0 [ 311.905274] ? print_usage_bug+0xc0/0xc0 [ 311.909354] ? down_read+0x8d/0x120 [ 311.912988] ? ext4_filemap_fault+0x7a/0xad [ 311.917319] ? __down_interruptible+0x700/0x700 [ 311.921999] ext4_filemap_fault+0x82/0xad [ 311.926166] __do_fault+0x100/0x6b0 [ 311.929801] ? unlock_page+0x2c2/0x4c0 [ 311.933695] ? pmd_devmap_trans_unstable+0x220/0x220 [ 311.938800] ? mark_held_locks+0x130/0x130 [ 311.943056] ? mark_held_locks+0x130/0x130 [ 311.947293] ? do_raw_spin_trylock+0x270/0x270 [ 311.951891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.957439] __handle_mm_fault+0x307c/0x5920 [ 311.961860] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 311.966716] ? kasan_check_read+0x11/0x20 [ 311.970872] ? _copy_to_user+0xc8/0x110 [ 311.974866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.980415] ? zap_class+0x640/0x640 [ 311.984134] ? zap_class+0x640/0x640 [ 311.987867] ? find_held_lock+0x36/0x1c0 [ 311.991935] ? handle_mm_fault+0x42a/0xc70 [ 311.996175] ? lock_downgrade+0x900/0x900 [ 312.000323] ? check_preemption_disabled+0x48/0x280 [ 312.005355] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 312.010298] ? kasan_check_read+0x11/0x20 [ 312.014449] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 312.019778] ? rcu_softirq_qs+0x20/0x20 [ 312.023761] ? trace_hardirqs_off_caller+0x310/0x310 [ 312.028909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.034457] ? check_preemption_disabled+0x48/0x280 [ 312.039503] handle_mm_fault+0x54f/0xc70 [ 312.043585] ? __handle_mm_fault+0x5920/0x5920 [ 312.048174] ? find_vma+0x34/0x190 [ 312.051721] __do_page_fault+0x5e8/0xe60 [ 312.055789] ? trace_hardirqs_off+0xb8/0x310 [ 312.060199] ? __ia32_sys_read+0xb0/0xb0 [ 312.064275] do_page_fault+0xf2/0x7e0 [ 312.068086] ? vmalloc_sync_all+0x30/0x30 [ 312.072237] ? error_entry+0x70/0xd0 [ 312.075964] ? trace_hardirqs_off_caller+0xbb/0x310 [ 312.080985] ? trace_hardirqs_on_caller+0xc0/0x310 [ 312.085916] ? syscall_return_slowpath+0x5e0/0x5e0 [ 312.090845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.095688] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.100710] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.106168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.111721] ? prepare_exit_to_usermode+0x291/0x3b0 [ 312.116740] ? page_fault+0x8/0x30 [ 312.120347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.125196] ? page_fault+0x8/0x30 [ 312.128742] page_fault+0x1e/0x30 [ 312.132192] RIP: 0033:0x4727a0 [ 312.135398] Code: Bad RIP value. [ 312.138759] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 312.144126] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 312.151402] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 312.158683] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 312.165954] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 312.173225] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 312.180521] warn_alloc_show_mem: 1 callbacks suppressed [ 312.180534] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 312.180536] Mem-Info: [ 312.180575] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 312.180575] active_file:12 inactive_file:13 isolated_file:0 [ 312.180575] unevictable:0 dirty:0 writeback:0 unstable:0 [ 312.180575] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 312.180575] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 312.180575] free:13771 free_pcp:124 free_cma:0 [ 312.185942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.192879] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 312.195280] Call Trace: [ 312.228165] Node 0 [ 312.237520] [ 312.264946] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 312.267513] dump_stack+0x244/0x39d [ 312.269721] lowmem_reserve[]: [ 312.271869] ? dump_stack_print_info.cold.1+0x20/0x20 [ 312.297348] 0 2818 [ 312.300996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.304084] 6321 [ 312.309281] warn_alloc.cold.117+0xb7/0x1bd [ 312.311503] 6321 [ 312.317063] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 312.319103] Node 0 [ 312.323424] ? lock_downgrade+0x900/0x900 [ 312.325500] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 312.330317] ? trace_hardirqs_off+0xb8/0x310 [ 312.332542] lowmem_reserve[]: [ 312.336691] ? trace_hardirqs_off+0xb8/0x310 [ 312.363645] 0 0 [ 312.368084] __alloc_pages_slowpath+0x2660/0x2d70 [ 312.371168] 3503 [ 312.375602] ? warn_alloc+0x120/0x120 [ 312.377537] 3503 [ 312.382378] ? warn_alloc+0x120/0x120 [ 312.388226] ? print_usage_bug+0xc0/0xc0 [ 312.390267] Node 0 [ 312.394068] ? warn_alloc+0x120/0x120 [ 312.398134] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 312.400343] ? print_usage_bug+0xc0/0xc0 [ 312.404134] lowmem_reserve[]: [ 312.432330] ? __lock_acquire+0x62f/0x4c20 [ 312.436366] 0 0 [ 312.439481] ? __lock_acquire+0x62f/0x4c20 [ 312.443692] 0 0 [ 312.445691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.451888] ? should_fail+0x22d/0xd01 [ 312.457405] Node 0 [ 312.461288] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 312.461299] DMA: [ 312.463532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.468837] 1*4kB [ 312.470901] ? __lock_acquire+0x62f/0x4c20 [ 312.475983] (U) [ 312.478134] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.482357] 0*8kB [ 312.484342] ? __lock_acquire+0x62f/0x4c20 [ 312.489427] 0*16kB [ 312.491573] ? should_fail+0x22d/0xd01 [ 312.495795] 1*32kB [ 312.498042] ? rcu_irq_exit+0x1a2/0x390 [ 312.501908] (U) [ 312.504153] ? mark_held_locks+0x130/0x130 [ 312.508105] 2*64kB [ 312.510085] ? mark_held_locks+0x130/0x130 [ 312.514301] (U) [ 312.516540] ? mark_held_locks+0xc7/0x130 [ 312.520943] 1*128kB (U) [ 312.522933] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 312.527054] 1*256kB (U) [ 312.529739] ? zap_class+0x640/0x640 [ 312.534735] 0*512kB [ 312.537423] ? print_usage_bug+0xc0/0xc0 [ 312.541122] 1*1024kB [ 312.543451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.547488] (U) [ 312.549902] ? check_preemption_disabled+0x48/0x280 [ 312.556461] 1*2048kB [ 312.558441] ? __lock_is_held+0xb5/0x140 [ 312.563426] (M) 3*4096kB [ 312.565851] __alloc_pages_nodemask+0xa80/0xde0 [ 312.569886] (M) [ 312.572646] ? zap_class+0x640/0x640 [ 312.577298] = 15908kB [ 312.579272] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 312.582963] Node 0 [ 312.585388] ? find_held_lock+0x36/0x1c0 [ 312.590382] DMA32: [ 312.592626] ? ____cache_alloc_node+0x1c7/0x1e0 [ 312.596684] 4*4kB [ 312.598933] ? lock_downgrade+0x900/0x900 [ 312.603585] (M) [ 312.605743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.609868] 0*8kB [ 312.611845] cache_grow_begin+0xa5/0x8c0 [ 312.617363] 2*16kB [ 312.619511] ? do_raw_spin_unlock+0xa7/0x330 [ 312.623570] (M) [ 312.625823] fallback_alloc+0x204/0x2e0 [ 312.630213] 2*32kB [ 312.632200] ____cache_alloc_node+0x1c7/0x1e0 [ 312.636174] (UM) [ 312.638413] kmem_cache_alloc_node+0xe3/0x730 [ 312.642890] 4*64kB [ 312.644987] ? ipv6_get_ifaddr+0x42e/0x620 [ 312.649459] (UM) [ 312.651700] __alloc_skb+0x119/0x770 [ 312.655910] 4*128kB [ 312.657981] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 312.661663] (M) 3*256kB [ 312.663998] ? netdev_alloc_frag+0x1f0/0x1f0 [ 312.669257] (M) [ 312.671927] ? lock_downgrade+0x900/0x900 [ 312.676315] 4*512kB [ 312.678294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.682421] (UM) [ 312.684772] ? refcount_sub_and_test_checked+0x203/0x310 [ 312.690286] 3*1024kB [ 312.692348] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 312.697780] (UM) [ 312.700197] ? addrconf_rs_timer+0x690/0x690 [ 312.705623] 3*2048kB (UM) [ 312.707709] ndisc_alloc_skb+0x144/0x340 [ 312.712088] 3*4096kB (M) [ 312.714944] ndisc_send_rs+0x331/0x6e0 [ 312.718989] = 25200kB [ 312.721747] addrconf_rs_timer+0x314/0x690 [ 312.725613] Node 0 [ 312.728036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.732240] Normal: 786*4kB [ 312.734497] call_timer_fn+0x272/0x920 [ 312.738722] (MEH) [ 312.741741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.745611] 440*8kB [ 312.747763] ? process_timeout+0x40/0x40 [ 312.751969] (UMEH) 141*16kB (MEH) 54*32kB (MEH) 14*64kB (UME) 1*128kB (H) 1*256kB (H) 2*512kB (H) 1*1024kB (U) 0*2048kB 0*4096kB = 13976kB [ 312.752047] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 312.752058] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 312.752068] 163 total pagecache pages [ 312.754402] ? __run_timers+0x7da/0xc70 [ 312.758453] 0 pages in swap cache [ 312.771016] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.779837] Swap cache stats: add 0, delete 0, find 0/0 [ 312.779847] Free swap = 0kB [ 312.788438] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.792227] Total swap = 0kB [ 312.796214] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.799660] 1965979 pages RAM [ 312.804156] ? lockdep_hardirqs_on+0x296/0x5b0 [ 312.809504] 0 pages HighMem/MovableOnly [ 312.812534] ? trace_hardirqs_on+0xbd/0x310 [ 312.817032] 342867 pages reserved [ 312.820080] ? kasan_check_read+0x11/0x20 [ 312.824294] 0 pages cma reserved [ 312.827399] ? __run_timers+0x7da/0xc70 [ 312.832050] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 312.835970] ? trace_hardirqs_off_caller+0x310/0x310 [ 312.836015] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.836063] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.840424] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.843809] __run_timers+0x7e5/0xc70 [ 312.847948] syz-fuzzer cpuset= [ 312.851322] ? timer_fixup_init+0x70/0x70 [ 312.855271] / [ 312.861764] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 312.866847] mems_allowed=0 [ 312.871083] ? zap_class+0x640/0x640 [ 312.909971] ? enqueue_hrtimer+0x1a5/0x560 [ 312.914215] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 312.919417] ? find_held_lock+0x36/0x1c0 [ 312.923500] ? zap_class+0x640/0x640 [ 312.927224] ? pvclock_read_flags+0x160/0x160 [ 312.931732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.937274] ? check_preemption_disabled+0x48/0x280 [ 312.942304] ? __lock_is_held+0xb5/0x140 [ 312.946368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.951907] ? check_preemption_disabled+0x48/0x280 [ 312.956931] run_timer_softirq+0x52/0xb0 [ 312.961001] ? rcu_read_lock_sched_held+0x14f/0x180 [ 312.966070] __do_softirq+0x308/0xb7e [ 312.969881] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 312.974391] ? lock_downgrade+0x900/0x900 [ 312.978569] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 312.983690] ? pvclock_read_flags+0x160/0x160 [ 312.988202] ? lapic_next_event+0x5a/0x90 [ 312.992356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.997925] ? kvm_clock_read+0x18/0x30 [ 313.001901] ? kvm_sched_clock_read+0x9/0x20 [ 313.006318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.011859] ? check_preemption_disabled+0x48/0x280 [ 313.016887] irq_exit+0x17f/0x1c0 [ 313.020379] smp_apic_timer_interrupt+0x1cb/0x760 [ 313.025226] ? smp_reschedule_interrupt+0x109/0x650 [ 313.030249] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.036144] ? interrupt_entry+0xb5/0xc0 [ 313.040213] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.045232] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.050252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.055100] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.060120] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.065147] ? task_prio+0x50/0x50 [ 313.068700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.074604] ? check_preemption_disabled+0x48/0x280 [ 313.079632] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.084522] apic_timer_interrupt+0xf/0x20 [ 313.088758] [ 313.091006] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 313.096914] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 313.115819] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 313.123541] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 313.130812] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 313.138085] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 313.145353] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 313.152623] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 313.159929] ? save_stack+0xa9/0xd0 [ 313.163574] __kmalloc_node_track_caller+0x33/0x70 [ 313.168514] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 313.173281] pskb_expand_head+0x230/0x10f0 [ 313.177525] ? memcpy+0x45/0x50 [ 313.180836] ? __copy_skb_header+0x350/0x6b0 [ 313.185300] ? skb_release_data+0x880/0x880 [ 313.189634] ? __alloc_skb+0x770/0x770 [ 313.193539] ? __lock_is_held+0xb5/0x140 [ 313.197612] ? kasan_check_write+0x14/0x20 [ 313.201847] ? __skb_clone+0x6c7/0xa00 [ 313.205738] ? __copy_skb_header+0x6b0/0x6b0 [ 313.210154] ? kmem_cache_alloc+0x33a/0x730 [ 313.214482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.220061] skb_ensure_writable+0x3dd/0x640 [ 313.224478] ? skb_checksum_setup+0xaa0/0xaa0 [ 313.228986] ? check_preemption_disabled+0x48/0x280 [ 313.234011] ? __this_cpu_preempt_check+0x1c/0x20 [ 313.238875] ? __bpf_redirect+0x54b/0xb20 [ 313.243071] bpf_clone_redirect+0x14a/0x490 [ 313.247408] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 313.252434] ? __sched_text_start+0x8/0x8 [ 313.256587] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 313.261351] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 313.265941] ? retint_kernel+0x2d/0x2d [ 313.269844] ? find_held_lock+0x36/0x1c0 [ 313.273918] ? lock_acquire+0x1ed/0x520 [ 313.277899] ? bpf_test_run+0x3cb/0x780 [ 313.281877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.287420] ? check_preemption_disabled+0x48/0x280 [ 313.292466] ? kasan_check_read+0x11/0x20 [ 313.296633] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.301935] ? rcu_softirq_qs+0x20/0x20 [ 313.305917] ? preempt_schedule+0x4d/0x60 [ 313.310077] ? ___preempt_schedule+0x16/0x18 [ 313.314500] ? bpf_test_run+0x25d/0x780 [ 313.318490] ? netlink_diag_dump+0x2a0/0x2a0 [ 313.322903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.328446] ? bpf_test_init.isra.10+0x70/0x100 [ 313.333124] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 313.337895] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 313.342743] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 313.348290] ? fput+0x130/0x1a0 [ 313.351574] ? __bpf_prog_get+0x9b/0x290 [ 313.355643] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 313.360487] ? bpf_prog_test_run+0x130/0x1a0 [ 313.364903] ? __x64_sys_bpf+0x3d8/0x520 [ 313.368968] ? bpf_prog_get+0x20/0x20 [ 313.372795] ? do_syscall_64+0x1b9/0x820 [ 313.376859] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 313.382227] ? syscall_return_slowpath+0x5e0/0x5e0 [ 313.387162] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.392181] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 313.397208] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 313.403878] ? __switch_to_asm+0x40/0x70 [ 313.407947] ? __switch_to_asm+0x34/0x70 [ 313.412040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.416905] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 313.422295] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 313.422450] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 313.429009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.429014] Call Trace: [ 313.429032] [ 313.429051] dump_stack+0x244/0x39d [ 313.429075] ? dump_stack_print_info.cold.1+0x20/0x20 [ 313.435650] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 313.444919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.447483] syz-executor5 cpuset= [ 313.449642] warn_alloc.cold.117+0xb7/0x1bd [ 313.453251] syz5 [ 313.458697] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 313.469183] mems_allowed=0 [ 313.474720] ? lock_downgrade+0x900/0x900 [ 313.496331] ? trace_hardirqs_off+0xb8/0x310 [ 313.500751] ? trace_hardirqs_off+0xb8/0x310 [ 313.505184] __alloc_pages_slowpath+0x2660/0x2d70 [ 313.510075] ? warn_alloc+0x120/0x120 [ 313.513887] ? warn_alloc+0x120/0x120 [ 313.517692] ? print_usage_bug+0xc0/0xc0 [ 313.521767] ? warn_alloc+0x120/0x120 [ 313.525594] ? print_usage_bug+0xc0/0xc0 [ 313.529675] ? __lock_acquire+0x62f/0x4c20 [ 313.533914] ? __lock_acquire+0x62f/0x4c20 [ 313.538184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.543725] ? should_fail+0x22d/0xd01 [ 313.547631] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.552734] ? __lock_acquire+0x62f/0x4c20 [ 313.556979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.562621] ? __lock_acquire+0x62f/0x4c20 [ 313.566871] ? should_fail+0x22d/0xd01 [ 313.570790] ? find_held_lock+0x36/0x1c0 [ 313.574881] ? mark_held_locks+0x130/0x130 [ 313.579136] ? mark_held_locks+0x130/0x130 [ 313.583370] ? zap_class+0x640/0x640 [ 313.587090] ? zap_class+0x640/0x640 [ 313.590810] ? print_usage_bug+0xc0/0xc0 [ 313.594875] ? do_raw_spin_unlock+0xa7/0x330 [ 313.599298] ? zap_class+0x640/0x640 [ 313.603015] ? print_usage_bug+0xc0/0xc0 [ 313.607092] ? wq_watchdog_touch+0x9c/0xfe [ 313.611339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.616879] ? check_preemption_disabled+0x48/0x280 [ 313.621912] ? __lock_is_held+0xb5/0x140 [ 313.625988] __alloc_pages_nodemask+0xa80/0xde0 [ 313.630668] ? zap_class+0x640/0x640 [ 313.634403] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 313.639445] ? find_held_lock+0x36/0x1c0 [ 313.643538] ? ____cache_alloc_node+0x1c7/0x1e0 [ 313.648220] ? lock_downgrade+0x900/0x900 [ 313.652392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.657948] cache_grow_begin+0xa5/0x8c0 [ 313.662013] ? do_raw_spin_unlock+0xa7/0x330 [ 313.666447] fallback_alloc+0x204/0x2e0 [ 313.670442] ____cache_alloc_node+0x1c7/0x1e0 [ 313.675003] kmem_cache_alloc_node+0xe3/0x730 [ 313.679521] ? ipv6_get_ifaddr+0x42e/0x620 [ 313.683786] __alloc_skb+0x119/0x770 [ 313.687513] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 313.692822] ? netdev_alloc_frag+0x1f0/0x1f0 [ 313.697227] ? lock_downgrade+0x900/0x900 [ 313.701393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.706956] ? refcount_sub_and_test_checked+0x203/0x310 [ 313.712428] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 313.717893] ? addrconf_rs_timer+0x690/0x690 [ 313.722327] ndisc_alloc_skb+0x144/0x340 [ 313.726402] ndisc_send_rs+0x331/0x6e0 [ 313.730301] addrconf_rs_timer+0x314/0x690 [ 313.734655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.738933] call_timer_fn+0x272/0x920 [ 313.742833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.747092] ? process_timeout+0x40/0x40 [ 313.751169] ? mark_held_locks+0xc7/0x130 [ 313.755361] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.759857] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.764364] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.768618] ? lockdep_hardirqs_on+0x296/0x5b0 [ 313.773240] ? trace_hardirqs_on+0xbd/0x310 [ 313.777581] ? kasan_check_read+0x11/0x20 [ 313.781738] ? __run_timers+0x7da/0xc70 [ 313.785720] ? trace_hardirqs_off_caller+0x310/0x310 [ 313.790832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.795083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.799328] __run_timers+0x7e5/0xc70 [ 313.803156] ? timer_fixup_init+0x70/0x70 [ 313.807312] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 313.812335] ? zap_class+0x640/0x640 [ 313.816069] ? print_usage_bug+0xc0/0xc0 [ 313.820140] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 313.825347] ? find_held_lock+0x36/0x1c0 [ 313.829419] ? zap_class+0x640/0x640 [ 313.833154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.838702] ? check_preemption_disabled+0x48/0x280 [ 313.843737] ? __lock_is_held+0xb5/0x140 [ 313.847802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.853362] ? check_preemption_disabled+0x48/0x280 [ 313.858385] run_timer_softirq+0x52/0xb0 [ 313.862465] ? rcu_read_lock_sched_held+0x14f/0x180 [ 313.867487] __do_softirq+0x308/0xb7e [ 313.871296] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 313.875792] ? lock_downgrade+0x900/0x900 [ 313.879947] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 313.885081] ? pvclock_read_flags+0x160/0x160 [ 313.889601] ? lapic_next_event+0x5a/0x90 [ 313.893758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.899305] ? kvm_clock_read+0x18/0x30 [ 313.903287] ? kvm_sched_clock_read+0x9/0x20 [ 313.907702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.913249] ? check_preemption_disabled+0x48/0x280 [ 313.918284] irq_exit+0x17f/0x1c0 [ 313.921746] smp_apic_timer_interrupt+0x1cb/0x760 [ 313.926591] ? smp_reschedule_interrupt+0x109/0x650 [ 313.931614] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.937508] ? interrupt_entry+0xb5/0xc0 [ 313.941586] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.946608] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.951633] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.956482] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.961501] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.966521] ? task_prio+0x50/0x50 [ 313.970100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.975646] ? check_preemption_disabled+0x48/0x280 [ 313.980673] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.985539] apic_timer_interrupt+0xf/0x20 [ 313.989780] [ 313.992055] RIP: 0010:console_unlock+0xffa/0x1160 [ 313.996927] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 314.015828] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 314.023543] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 314.030820] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 314.038087] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 314.045356] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 314.052629] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 314.059910] ? netconsole_netdev_event+0x280/0x280 [ 314.064857] ? console_unlock+0xff1/0x1160 [ 314.069122] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 314.073806] ? lock_release+0xa00/0xa00 [ 314.077798] ? interrupt_entry+0xc0/0xc0 [ 314.081893] vprintk_emit+0x33d/0x930 [ 314.085705] ? wake_up_klogd+0x180/0x180 [ 314.089772] ? attach_entity_load_avg+0x810/0x860 [ 314.094614] ? __lock_acquire+0x600/0x4c20 [ 314.098857] ? mark_held_locks+0x130/0x130 [ 314.103100] ? print_usage_bug+0xc0/0xc0 [ 314.107175] ? find_held_lock+0x36/0x1c0 [ 314.111254] ? mark_held_locks+0xc7/0x130 [ 314.115411] vprintk_default+0x28/0x30 [ 314.119313] vprintk_func+0x7e/0x181 [ 314.123045] printk+0xa7/0xcf [ 314.126161] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 314.130941] show_free_areas.cold.118+0x1f34/0x215d [ 314.135989] ? si_meminfo_node+0x260/0x260 [ 314.140246] ? __lock_acquire+0x62f/0x4c20 [ 314.144487] ? __lock_acquire+0x62f/0x4c20 [ 314.148727] ? __lock_is_held+0xb5/0x140 [ 314.152822] ? mark_held_locks+0x130/0x130 [ 314.157072] ? zap_class+0x640/0x640 [ 314.160794] ? put_dec+0x3b/0xf0 [ 314.164171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.169747] ? find_held_lock+0x36/0x1c0 [ 314.173842] ? serial8250_console_write+0x8b3/0xb10 [ 314.178865] ? lock_downgrade+0x900/0x900 [ 314.183029] ? zap_class+0x640/0x640 [ 314.186759] ? zap_class+0x640/0x640 [ 314.190475] ? print_usage_bug+0xc0/0xc0 [ 314.194533] ? do_raw_spin_unlock+0xa7/0x330 [ 314.198949] ? trace_hardirqs_on+0x310/0x310 [ 314.203363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.208915] ? find_held_lock+0x36/0x1c0 [ 314.212990] ? mark_held_locks+0xc7/0x130 [ 314.217166] ? console_unlock+0xfcd/0x1160 [ 314.221405] ? netconsole_netdev_event+0x280/0x280 [ 314.226343] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 314.230940] ? trace_hardirqs_on+0xbd/0x310 [ 314.235266] ? vprintk_emit+0x33d/0x930 [ 314.239247] ? trace_hardirqs_off_caller+0x310/0x310 [ 314.244358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.249907] ? netconsole_netdev_event+0x280/0x280 [ 314.254842] ? console_unlock+0x8d8/0x1160 [ 314.259098] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 314.263766] ? vprintk_emit+0x7f7/0x930 [ 314.267754] ? lock_release+0xa00/0xa00 [ 314.271746] ? preempt_count_add+0xbc/0x1b0 [ 314.276072] ? wake_up_klogd+0x11a/0x180 [ 314.280139] ? console_device+0xc0/0xc0 [ 314.284122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.289672] ? vprintk_emit+0x268/0x930 [ 314.293657] ? wake_up_klogd+0x180/0x180 [ 314.297723] ? trace_hardirqs_on_caller+0xc0/0x310 [ 314.302662] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 314.307423] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.312880] ? retint_kernel+0x1b/0x2d [ 314.316785] ? trace_hardirqs_on+0x310/0x310 [ 314.321254] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 314.326062] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 314.330834] ? show_mem+0x1e/0x17b [ 314.334381] show_mem+0x34/0x17b [ 314.337774] dump_header+0x2f1/0xf72 [ 314.341508] ? mark_held_locks+0x130/0x130 [ 314.345751] ? pagefault_out_of_memory+0x197/0x197 [ 314.350693] ? __lock_acquire+0x62f/0x4c20 [ 314.354932] ? zap_class+0x640/0x640 [ 314.358658] ? percpu_ref_get_many+0x240/0x240 [ 314.363245] ? print_usage_bug+0xc0/0xc0 [ 314.367314] ? print_usage_bug+0xc0/0xc0 [ 314.371396] ? zap_class+0x640/0x640 [ 314.375144] ? print_usage_bug+0xc0/0xc0 [ 314.379215] ? print_usage_bug+0xc0/0xc0 [ 314.383351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.388897] ? find_held_lock+0x36/0x1c0 [ 314.392972] ? mark_held_locks+0xc7/0x130 [ 314.397130] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 314.402237] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 314.407354] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 314.411946] ? trace_hardirqs_on+0xbd/0x310 [ 314.416276] ? kasan_check_read+0x11/0x20 [ 314.420423] ? ___ratelimit+0x3b4/0x672 [ 314.424402] ? trace_hardirqs_off_caller+0x310/0x310 [ 314.429509] ? trace_hardirqs_on+0x310/0x310 [ 314.433926] ? lock_downgrade+0x900/0x900 [ 314.438088] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 314.443198] ? ___ratelimit+0x3b9/0x672 [ 314.447180] ? idr_get_free+0xec0/0xec0 [ 314.451159] ? kasan_check_read+0x11/0x20 [ 314.455310] ? do_raw_spin_unlock+0xa7/0x330 [ 314.459743] oom_kill_process.cold.27+0x10/0x903 [ 314.464507] ? zap_class+0x640/0x640 [ 314.468242] ? _raw_spin_unlock+0x2c/0x50 [ 314.472397] ? oom_badness+0xe6/0xaa0 [ 314.476214] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 314.481146] ? kasan_check_read+0x11/0x20 [ 314.485300] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 314.490588] ? oom_evaluate_task+0x540/0x540 [ 314.495009] ? find_held_lock+0x36/0x1c0 [ 314.499093] ? out_of_memory+0x974/0x1430 [ 314.503248] ? lock_downgrade+0x900/0x900 [ 314.507398] ? check_preemption_disabled+0x48/0x280 [ 314.512428] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 314.517365] ? kasan_check_read+0x11/0x20 [ 314.521518] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 314.526804] ? rcu_softirq_qs+0x20/0x20 [ 314.530787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.536330] ? oom_evaluate_task+0x302/0x540 [ 314.540757] out_of_memory+0xa84/0x1430 [ 314.544757] ? oom_killer_disable+0x3a0/0x3a0 [ 314.549284] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 314.554240] ? __mutex_add_waiter+0x2a0/0x2a0 [ 314.558757] __alloc_pages_slowpath+0x22d4/0x2d70 [ 314.563663] ? warn_alloc+0x120/0x120 [ 314.567491] ? rcu_softirq_qs+0x20/0x20 [ 314.571501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.577073] ? should_fail+0x22d/0xd01 [ 314.580993] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.586110] ? zap_class+0x640/0x640 [ 314.589858] ? __lock_is_held+0xb5/0x140 [ 314.593928] ? mark_held_locks+0x130/0x130 [ 314.598190] ? lock_release+0xa00/0xa00 [ 314.602169] ? perf_trace_sched_process_exec+0x860/0x860 [ 314.607636] ? __might_sleep+0x95/0x190 [ 314.611619] __alloc_pages_nodemask+0xa80/0xde0 [ 314.616301] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 314.621324] ? __page_cache_alloc+0x191/0x5c0 [ 314.625823] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 314.630755] ? kasan_check_read+0x11/0x20 [ 314.634906] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 314.640189] ? zap_class+0x640/0x640 [ 314.643914] ? zap_class+0x640/0x640 [ 314.647631] ? zap_class+0x640/0x640 [ 314.651348] ? __do_page_cache_readahead+0x7ce/0x980 [ 314.656462] ? find_held_lock+0x36/0x1c0 [ 314.660535] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 314.666100] alloc_pages_current+0x173/0x350 [ 314.670520] __page_cache_alloc+0x38c/0x5c0 [ 314.674850] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 314.679781] ? kasan_check_read+0x11/0x20 [ 314.683935] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 314.689233] ? generic_perform_write+0x6a0/0x6a0 [ 314.694006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.699572] ? check_preemption_disabled+0x48/0x280 [ 314.704600] filemap_fault+0x1594/0x25f0 [ 314.708678] ? __lock_page_or_retry+0xa00/0xa00 [ 314.713354] ? mark_held_locks+0x130/0x130 [ 314.717595] ? rcu_softirq_qs+0x20/0x20 [ 314.721591] ? filemap_map_pages+0xe04/0x1990 [ 314.726125] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 314.731075] ? futex_wait_setup+0x15c/0x3e0 [ 314.735403] ? zap_class+0x640/0x640 [ 314.739133] ? lock_acquire+0x1ed/0x520 [ 314.743119] ? alloc_set_pte+0x1447/0x1f40 [ 314.747381] ? lock_acquire+0x1ed/0x520 [ 314.751358] ? ext4_filemap_fault+0x7a/0xad [ 314.755696] ? lock_release+0xa00/0xa00 [ 314.759672] ? perf_trace_sched_process_exec+0x860/0x860 [ 314.765129] ? print_usage_bug+0xc0/0xc0 [ 314.769194] ? print_usage_bug+0xc0/0xc0 [ 314.773275] ? down_read+0x8d/0x120 [ 314.776901] ? ext4_filemap_fault+0x7a/0xad [ 314.781232] ? __down_interruptible+0x700/0x700 [ 314.785918] ext4_filemap_fault+0x82/0xad [ 314.790075] __do_fault+0x100/0x6b0 [ 314.793712] ? unlock_page+0x2c2/0x4c0 [ 314.797632] ? pmd_devmap_trans_unstable+0x220/0x220 [ 314.802748] ? mark_held_locks+0x130/0x130 [ 314.806997] ? mark_held_locks+0x130/0x130 [ 314.811252] ? do_raw_spin_trylock+0x270/0x270 [ 314.815851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.821407] __handle_mm_fault+0x307c/0x5920 [ 314.825833] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 314.830686] ? kasan_check_read+0x11/0x20 [ 314.834857] ? _copy_to_user+0xc8/0x110 [ 314.838832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.844413] ? zap_class+0x640/0x640 [ 314.848138] ? zap_class+0x640/0x640 [ 314.851870] ? find_held_lock+0x36/0x1c0 [ 314.855939] ? handle_mm_fault+0x42a/0xc70 [ 314.860180] ? lock_downgrade+0x900/0x900 [ 314.864334] ? check_preemption_disabled+0x48/0x280 [ 314.869361] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 314.874296] ? kasan_check_read+0x11/0x20 [ 314.878454] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 314.883738] ? rcu_softirq_qs+0x20/0x20 [ 314.887724] ? trace_hardirqs_off_caller+0x310/0x310 [ 314.892843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.898389] ? check_preemption_disabled+0x48/0x280 [ 314.903438] handle_mm_fault+0x54f/0xc70 [ 314.907537] ? __handle_mm_fault+0x5920/0x5920 [ 314.912193] ? find_vma+0x34/0x190 [ 314.915763] __do_page_fault+0x5e8/0xe60 [ 314.919849] ? trace_hardirqs_off+0xb8/0x310 [ 314.924267] ? __ia32_sys_read+0xb0/0xb0 [ 314.928342] do_page_fault+0xf2/0x7e0 [ 314.932151] ? vmalloc_sync_all+0x30/0x30 [ 314.936313] ? error_entry+0x70/0xd0 [ 314.940042] ? trace_hardirqs_off_caller+0xbb/0x310 [ 314.945065] ? trace_hardirqs_on_caller+0xc0/0x310 [ 314.950015] ? syscall_return_slowpath+0x5e0/0x5e0 [ 314.954979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.959858] ? trace_hardirqs_on_caller+0x310/0x310 [ 314.964897] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.970361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.975904] ? prepare_exit_to_usermode+0x291/0x3b0 [ 314.980927] ? page_fault+0x8/0x30 [ 314.984485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.989347] ? page_fault+0x8/0x30 [ 314.992915] page_fault+0x1e/0x30 [ 314.996374] RIP: 0033:0x4727a0 [ 314.999590] Code: Bad RIP value. [ 315.002958] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 315.008324] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 315.015607] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 315.022886] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 315.030157] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 315.037527] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 315.044831] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 315.044838] warn_alloc_show_mem: 1 callbacks suppressed [ 315.044846] Mem-Info: [ 315.051783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.057159] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 315.057159] active_file:12 inactive_file:13 isolated_file:0 [ 315.057159] unevictable:0 dirty:0 writeback:0 unstable:0 [ 315.057159] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 315.057159] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 315.057159] free:13771 free_pcp:124 free_cma:0 [ 315.059536] Call Trace: [ 315.068949] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 315.101799] [ 315.104377] Node 0 [ 315.131795] dump_stack+0x244/0x39d [ 315.133951] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 315.136168] ? dump_stack_print_info.cold.1+0x20/0x20 [ 315.139776] lowmem_reserve[]: [ 315.165281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.170450] 0 [ 315.173563] warn_alloc.cold.117+0xb7/0x1bd [ 315.179083] 2818 [ 315.180888] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 315.185195] 6321 [ 315.187262] ? lock_downgrade+0x900/0x900 [ 315.192081] 6321 [ 315.194150] ? trace_hardirqs_off+0xb8/0x310 [ 315.200344] ? trace_hardirqs_off+0xb8/0x310 [ 315.204733] Node 0 DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 315.209171] __alloc_pages_slowpath+0x2660/0x2d70 [ 315.209214] ? warn_alloc+0x120/0x120 [ 315.236753] lowmem_reserve[]: 0 [ 315.241612] ? warn_alloc+0x120/0x120 [ 315.245391] 0 [ 315.248672] ? print_usage_bug+0xc0/0xc0 [ 315.252451] 3503 [ 315.254254] ? warn_alloc+0x120/0x120 [ 315.258298] 3503 [ 315.260361] ? print_usage_bug+0xc0/0xc0 [ 315.266219] ? __lock_acquire+0x62f/0x4c20 [ 315.270258] Node 0 [ 315.274489] ? __lock_acquire+0x62f/0x4c20 [ 315.274522] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 315.274529] lowmem_reserve[]: [ 315.276769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.280983] 0 [ 315.309097] ? should_fail+0x22d/0xd01 [ 315.312190] 0 [ 315.317740] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.319521] 0 [ 315.323404] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.325189] 0 [ 315.330467] ? __lock_acquire+0x62f/0x4c20 [ 315.337350] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.339141] Node 0 [ 315.343371] ? __lock_acquire+0x62f/0x4c20 [ 315.343387] ? should_fail+0x22d/0xd01 [ 315.348474] DMA: 1*4kB [ 315.350725] ? rcu_irq_exit+0x1a2/0x390 [ 315.354936] (U) [ 315.358851] ? mark_held_locks+0x130/0x130 [ 315.361407] 0*8kB 0*16kB [ 315.365394] ? mark_held_locks+0x130/0x130 [ 315.367351] 1*32kB [ 315.371583] ? mark_held_locks+0xc7/0x130 [ 315.374321] (U) [ 315.378558] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 315.380790] 2*64kB [ 315.384945] ? zap_class+0x640/0x640 [ 315.386901] (U) [ 315.391914] ? print_usage_bug+0xc0/0xc0 [ 315.394136] 1*128kB [ 315.397849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.399801] (U) [ 315.403863] ? check_preemption_disabled+0x48/0x280 [ 315.406160] 1*256kB (U) [ 315.411711] ? __lock_is_held+0xb5/0x140 [ 315.413669] 0*512kB [ 315.418707] __alloc_pages_nodemask+0xa80/0xde0 [ 315.421357] 1*1024kB [ 315.425413] ? zap_class+0x640/0x640 [ 315.427721] (U) [ 315.432388] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 315.434782] 1*2048kB [ 315.438501] ? find_held_lock+0x36/0x1c0 [ 315.440451] (M) [ 315.445484] ? ____cache_alloc_node+0x1c7/0x1e0 [ 315.447870] 3*4096kB [ 315.451947] ? lock_downgrade+0x900/0x900 [ 315.454131] (M) = 15908kB [ 315.458827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.461215] Node 0 [ 315.465363] cache_grow_begin+0xa5/0x8c0 [ 315.468100] DMA32: [ 315.473632] ? do_raw_spin_unlock+0xa7/0x330 [ 315.475853] 4*4kB [ 315.479915] fallback_alloc+0x204/0x2e0 [ 315.482138] (M) [ 315.486548] ____cache_alloc_node+0x1c7/0x1e0 [ 315.488696] 0*8kB [ 315.492673] kmem_cache_alloc_node+0xe3/0x730 [ 315.494642] 2*16kB [ 315.499137] ? ipv6_get_ifaddr+0x42e/0x620 [ 315.501265] (M) [ 315.505787] __alloc_skb+0x119/0x770 [ 315.507999] 2*32kB [ 315.512249] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 315.514212] (UM) [ 315.517925] ? netdev_alloc_frag+0x1f0/0x1f0 [ 315.520147] 4*64kB [ 315.525421] ? lock_downgrade+0x900/0x900 [ 315.527464] (UM) [ 315.531879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.534098] 4*128kB [ 315.538255] ? refcount_sub_and_test_checked+0x203/0x310 [ 315.540318] (M) 3*256kB [ 315.545867] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 315.548170] (M) [ 315.553620] ? addrconf_rs_timer+0x690/0x690 [ 315.556271] 4*512kB [ 315.561987] ndisc_alloc_skb+0x144/0x340 [ 315.563941] (UM) [ 315.568360] ndisc_send_rs+0x331/0x6e0 [ 315.570673] 3*1024kB [ 315.574729] addrconf_rs_timer+0x314/0x690 [ 315.576769] (UM) [ 315.580656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.583073] 3*2048kB [ 315.587315] call_timer_fn+0x272/0x920 [ 315.589348] (UM) [ 315.593579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.595987] 3*4096kB [ 315.599871] ? process_timeout+0x40/0x40 [ 315.601914] (M) [ 315.606156] ? __run_timers+0x7da/0xc70 [ 315.608538] = 25200kB [ 315.608548] Node 0 [ 315.612623] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.614576] Normal: [ 315.618548] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.620946] 786*4kB [ 315.623200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.627678] (MEH) [ 315.630002] ? lockdep_hardirqs_on+0x296/0x5b0 [ 315.634469] 440*8kB (UMEH) [ 315.636813] ? trace_hardirqs_on+0xbd/0x310 [ 315.641030] 141*16kB (MEH) [ 315.643200] ? kasan_check_read+0x11/0x20 [ 315.647753] 54*32kB (MEH) [ 315.650702] ? __run_timers+0x7da/0xc70 [ 315.655003] 14*64kB [ 315.657951] ? trace_hardirqs_off_caller+0x310/0x310 [ 315.662072] (UME) 1*128kB [ 315.664929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.668876] (H) 1*256kB [ 315.671218] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.676300] (H) [ 315.679144] __run_timers+0x7e5/0xc70 [ 315.683360] 2*512kB [ 315.686046] ? timer_fixup_init+0x70/0x70 [ 315.690266] (H) [ 315.692249] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 315.696063] 1*1024kB [ 315.698390] ? zap_class+0x640/0x640 [ 315.702519] (U) [ 315.704492] ? enqueue_hrtimer+0x1a5/0x560 [ 315.709503] 0*2048kB 0*4096kB [ 315.711925] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 315.715708] = 13976kB [ 315.717688] ? find_held_lock+0x36/0x1c0 [ 315.721906] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 315.725091] ? zap_class+0x640/0x640 [ 315.730272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 315.732677] ? pvclock_read_flags+0x160/0x160 [ 315.736715] 163 total pagecache pages [ 315.745550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.749255] 0 pages in swap cache [ 315.757824] ? check_preemption_disabled+0x48/0x280 [ 315.762303] Swap cache stats: add 0, delete 0, find 0/0 [ 315.766104] ? __lock_is_held+0xb5/0x140 [ 315.771616] Free swap = 0kB [ 315.775093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.780092] Total swap = 0kB [ 315.785454] ? check_preemption_disabled+0x48/0x280 [ 315.789493] 1965979 pages RAM [ 315.792514] run_timer_softirq+0x52/0xb0 [ 315.798041] 0 pages HighMem/MovableOnly [ 315.801070] ? rcu_read_lock_sched_held+0x14f/0x180 [ 315.806074] 342867 pages reserved [ 315.809180] __do_softirq+0x308/0xb7e [ 315.813222] 0 pages cma reserved [ 315.817194] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 315.822266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 315.825636] ? lock_downgrade+0x900/0x900 [ 315.825655] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 315.825677] ? pvclock_read_flags+0x160/0x160 [ 315.829524] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 315.832829] ? lapic_next_event+0x5a/0x90 [ 315.837305] syz-fuzzer cpuset= [ 315.843814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.847942] / [ 315.853061] ? kvm_clock_read+0x18/0x30 [ 315.857532] mems_allowed=0 [ 315.867752] ? kvm_sched_clock_read+0x9/0x20 [ 315.893602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.899155] ? check_preemption_disabled+0x48/0x280 [ 315.904205] irq_exit+0x17f/0x1c0 [ 315.907667] smp_apic_timer_interrupt+0x1cb/0x760 [ 315.912511] ? smp_reschedule_interrupt+0x109/0x650 [ 315.917546] ? smp_call_function_single_interrupt+0x650/0x650 [ 315.923442] ? interrupt_entry+0xb5/0xc0 [ 315.927513] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.932534] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.937561] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.942408] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.947430] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.952448] ? task_prio+0x50/0x50 [ 315.956007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.962234] ? check_preemption_disabled+0x48/0x280 [ 315.967258] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.972114] apic_timer_interrupt+0xf/0x20 [ 315.976344] [ 315.978592] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 315.984482] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 316.003407] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 316.011125] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 316.018396] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 316.025688] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 316.032960] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 316.040229] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 316.047542] ? save_stack+0xa9/0xd0 [ 316.051192] __kmalloc_node_track_caller+0x33/0x70 [ 316.056131] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 316.060918] pskb_expand_head+0x230/0x10f0 [ 316.065165] ? memcpy+0x45/0x50 [ 316.068449] ? __copy_skb_header+0x350/0x6b0 [ 316.072864] ? skb_release_data+0x880/0x880 [ 316.077189] ? __alloc_skb+0x770/0x770 [ 316.081099] ? __lock_is_held+0xb5/0x140 [ 316.085197] ? kasan_check_write+0x14/0x20 [ 316.089436] ? __skb_clone+0x6c7/0xa00 [ 316.093329] ? __copy_skb_header+0x6b0/0x6b0 [ 316.097738] ? kmem_cache_alloc+0x33a/0x730 [ 316.102075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.107628] skb_ensure_writable+0x3dd/0x640 [ 316.112062] ? skb_checksum_setup+0xaa0/0xaa0 [ 316.116563] ? check_preemption_disabled+0x48/0x280 [ 316.121588] ? __this_cpu_preempt_check+0x1c/0x20 [ 316.126476] ? __bpf_redirect+0x54b/0xb20 [ 316.130635] bpf_clone_redirect+0x14a/0x490 [ 316.134997] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 316.140039] ? __sched_text_start+0x8/0x8 [ 316.144207] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 316.148970] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 316.153561] ? retint_kernel+0x2d/0x2d [ 316.157458] ? find_held_lock+0x36/0x1c0 [ 316.161532] ? lock_acquire+0x1ed/0x520 [ 316.165513] ? bpf_test_run+0x3cb/0x780 [ 316.169494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.175059] ? check_preemption_disabled+0x48/0x280 [ 316.180093] ? kasan_check_read+0x11/0x20 [ 316.184252] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 316.189538] ? rcu_softirq_qs+0x20/0x20 [ 316.193516] ? preempt_schedule+0x4d/0x60 [ 316.197801] ? ___preempt_schedule+0x16/0x18 [ 316.202221] ? bpf_test_run+0x25d/0x780 [ 316.206212] ? netlink_diag_dump+0x2a0/0x2a0 [ 316.210629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.216171] ? bpf_test_init.isra.10+0x70/0x100 [ 316.220884] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 316.225653] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 316.231235] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 316.236782] ? fput+0x130/0x1a0 [ 316.240085] ? __bpf_prog_get+0x9b/0x290 [ 316.244156] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 316.249003] ? bpf_prog_test_run+0x130/0x1a0 [ 316.253430] ? __x64_sys_bpf+0x3d8/0x520 [ 316.257493] ? bpf_prog_get+0x20/0x20 [ 316.261323] ? do_syscall_64+0x1b9/0x820 [ 316.265393] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 316.270764] ? syscall_return_slowpath+0x5e0/0x5e0 [ 316.275702] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.280723] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 316.285750] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 316.292428] ? __switch_to_asm+0x40/0x70 [ 316.296494] ? __switch_to_asm+0x34/0x70 [ 316.300563] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.305443] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 316.310834] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 316.310932] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 316.317564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.317569] Call Trace: [ 316.317578] [ 316.317597] dump_stack+0x244/0x39d [ 316.317618] ? dump_stack_print_info.cold.1+0x20/0x20 [ 316.324178] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 316.333489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.336058] syz-executor5 cpuset= [ 316.338214] warn_alloc.cold.117+0xb7/0x1bd [ 316.341815] syz5 [ 316.347012] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 316.357495] mems_allowed=0 [ 316.380558] ? lock_downgrade+0x900/0x900 [ 316.384720] ? trace_hardirqs_off+0xb8/0x310 [ 316.389139] ? trace_hardirqs_off+0xb8/0x310 [ 316.393572] __alloc_pages_slowpath+0x2660/0x2d70 [ 316.398456] ? warn_alloc+0x120/0x120 [ 316.402272] ? warn_alloc+0x120/0x120 [ 316.406094] ? print_usage_bug+0xc0/0xc0 [ 316.410167] ? warn_alloc+0x120/0x120 [ 316.413977] ? print_usage_bug+0xc0/0xc0 [ 316.418056] ? __lock_acquire+0x62f/0x4c20 [ 316.422296] ? __lock_acquire+0x62f/0x4c20 [ 316.426539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.432087] ? should_fail+0x22d/0xd01 [ 316.435982] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.441091] ? __lock_acquire+0x62f/0x4c20 [ 316.445337] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.450442] ? __lock_acquire+0x62f/0x4c20 [ 316.454680] ? should_fail+0x22d/0xd01 [ 316.458577] ? find_held_lock+0x36/0x1c0 [ 316.462651] ? mark_held_locks+0x130/0x130 [ 316.466894] ? mark_held_locks+0x130/0x130 [ 316.471132] ? zap_class+0x640/0x640 [ 316.474853] ? zap_class+0x640/0x640 [ 316.478579] ? print_usage_bug+0xc0/0xc0 [ 316.482644] ? do_raw_spin_unlock+0xa7/0x330 [ 316.487066] ? zap_class+0x640/0x640 [ 316.490787] ? print_usage_bug+0xc0/0xc0 [ 316.494859] ? wq_watchdog_touch+0x9c/0xfe [ 316.499104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.504647] ? check_preemption_disabled+0x48/0x280 [ 316.509684] ? __lock_is_held+0xb5/0x140 [ 316.513755] __alloc_pages_nodemask+0xa80/0xde0 [ 316.518432] ? zap_class+0x640/0x640 [ 316.522364] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 316.527396] ? find_held_lock+0x36/0x1c0 [ 316.531478] ? ____cache_alloc_node+0x1c7/0x1e0 [ 316.536150] ? lock_downgrade+0x900/0x900 [ 316.540308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.545853] cache_grow_begin+0xa5/0x8c0 [ 316.549918] ? do_raw_spin_unlock+0xa7/0x330 [ 316.554341] fallback_alloc+0x204/0x2e0 [ 316.558332] ____cache_alloc_node+0x1c7/0x1e0 [ 316.562840] kmem_cache_alloc_node+0xe3/0x730 [ 316.567348] ? ipv6_get_ifaddr+0x42e/0x620 [ 316.571609] __alloc_skb+0x119/0x770 [ 316.575334] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 316.580620] ? netdev_alloc_frag+0x1f0/0x1f0 [ 316.585050] ? lock_downgrade+0x900/0x900 [ 316.589216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.594774] ? refcount_sub_and_test_checked+0x203/0x310 [ 316.600236] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 316.605695] ? addrconf_rs_timer+0x690/0x690 [ 316.610123] ndisc_alloc_skb+0x144/0x340 [ 316.614194] ndisc_send_rs+0x331/0x6e0 [ 316.618094] addrconf_rs_timer+0x314/0x690 [ 316.622337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.626610] call_timer_fn+0x272/0x920 [ 316.630502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.634746] ? process_timeout+0x40/0x40 [ 316.638824] ? mark_held_locks+0xc7/0x130 [ 316.642979] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.647491] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.652014] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.656263] ? lockdep_hardirqs_on+0x296/0x5b0 [ 316.660854] ? trace_hardirqs_on+0xbd/0x310 [ 316.665190] ? kasan_check_read+0x11/0x20 [ 316.669350] ? __run_timers+0x7da/0xc70 [ 316.673330] ? trace_hardirqs_off_caller+0x310/0x310 [ 316.678454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.682700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.686950] __run_timers+0x7e5/0xc70 [ 316.690775] ? timer_fixup_init+0x70/0x70 [ 316.694932] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 316.699957] ? zap_class+0x640/0x640 [ 316.703681] ? print_usage_bug+0xc0/0xc0 [ 316.707749] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 316.712951] ? find_held_lock+0x36/0x1c0 [ 316.717035] ? zap_class+0x640/0x640 [ 316.720766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.726308] ? check_preemption_disabled+0x48/0x280 [ 316.731341] ? __lock_is_held+0xb5/0x140 [ 316.735411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.740953] ? check_preemption_disabled+0x48/0x280 [ 316.745981] run_timer_softirq+0x52/0xb0 [ 316.750092] ? rcu_read_lock_sched_held+0x14f/0x180 [ 316.755119] __do_softirq+0x308/0xb7e [ 316.758941] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 316.763437] ? lock_downgrade+0x900/0x900 [ 316.767594] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 316.772711] ? pvclock_read_flags+0x160/0x160 [ 316.777215] ? lapic_next_event+0x5a/0x90 [ 316.781373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.786920] ? kvm_clock_read+0x18/0x30 [ 316.790896] ? kvm_sched_clock_read+0x9/0x20 [ 316.795314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.800857] ? check_preemption_disabled+0x48/0x280 [ 316.805891] irq_exit+0x17f/0x1c0 [ 316.809350] smp_apic_timer_interrupt+0x1cb/0x760 [ 316.814199] ? smp_reschedule_interrupt+0x109/0x650 [ 316.819230] ? smp_call_function_single_interrupt+0x650/0x650 [ 316.825131] ? interrupt_entry+0xb5/0xc0 [ 316.829208] ? trace_hardirqs_off_caller+0xbb/0x310 [ 316.834231] ? trace_hardirqs_off_caller+0xbb/0x310 [ 316.839267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.844143] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.849161] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.854196] ? task_prio+0x50/0x50 [ 316.857741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.863286] ? check_preemption_disabled+0x48/0x280 [ 316.868317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.873174] apic_timer_interrupt+0xf/0x20 [ 316.877413] [ 316.879666] RIP: 0010:console_unlock+0xffa/0x1160 [ 316.884533] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 316.903453] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 316.911180] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 316.918449] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 316.925721] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 316.932992] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 316.940273] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 316.947556] ? netconsole_netdev_event+0x280/0x280 [ 316.952501] ? console_unlock+0xff1/0x1160 [ 316.956772] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 316.961456] ? lock_release+0xa00/0xa00 [ 316.965449] ? interrupt_entry+0xc0/0xc0 [ 316.969533] vprintk_emit+0x33d/0x930 [ 316.973349] ? wake_up_klogd+0x180/0x180 [ 316.977421] ? attach_entity_load_avg+0x810/0x860 [ 316.982265] ? __lock_acquire+0x600/0x4c20 [ 316.986506] ? mark_held_locks+0x130/0x130 [ 316.990743] ? print_usage_bug+0xc0/0xc0 [ 316.994810] ? find_held_lock+0x36/0x1c0 [ 316.998902] ? mark_held_locks+0xc7/0x130 [ 317.003061] vprintk_default+0x28/0x30 [ 317.006955] vprintk_func+0x7e/0x181 [ 317.010676] printk+0xa7/0xcf [ 317.013789] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 317.018588] show_free_areas.cold.118+0x1f34/0x215d [ 317.023635] ? si_meminfo_node+0x260/0x260 [ 317.027885] ? __lock_acquire+0x62f/0x4c20 [ 317.032139] ? __lock_acquire+0x62f/0x4c20 [ 317.036373] ? __lock_is_held+0xb5/0x140 [ 317.040490] ? mark_held_locks+0x130/0x130 [ 317.044731] ? zap_class+0x640/0x640 [ 317.048451] ? put_dec+0x3b/0xf0 [ 317.051824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.057378] ? find_held_lock+0x36/0x1c0 [ 317.061454] ? serial8250_console_write+0x8b3/0xb10 [ 317.066477] ? lock_downgrade+0x900/0x900 [ 317.070628] ? zap_class+0x640/0x640 [ 317.074345] ? zap_class+0x640/0x640 [ 317.078065] ? print_usage_bug+0xc0/0xc0 [ 317.082128] ? do_raw_spin_unlock+0xa7/0x330 [ 317.086543] ? trace_hardirqs_on+0x310/0x310 [ 317.090963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.096514] ? find_held_lock+0x36/0x1c0 [ 317.100603] ? mark_held_locks+0xc7/0x130 [ 317.104757] ? console_unlock+0xfcd/0x1160 [ 317.108995] ? netconsole_netdev_event+0x280/0x280 [ 317.113948] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 317.118536] ? trace_hardirqs_on+0xbd/0x310 [ 317.122866] ? vprintk_emit+0x33d/0x930 [ 317.126844] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.131954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.137502] ? netconsole_netdev_event+0x280/0x280 [ 317.142463] ? console_unlock+0x8d8/0x1160 [ 317.146726] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 317.151406] ? vprintk_emit+0x7f7/0x930 [ 317.155398] ? lock_release+0xa00/0xa00 [ 317.159379] ? preempt_count_add+0xbc/0x1b0 [ 317.163703] ? wake_up_klogd+0x11a/0x180 [ 317.167767] ? console_device+0xc0/0xc0 [ 317.171750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.177298] ? vprintk_emit+0x268/0x930 [ 317.181285] ? wake_up_klogd+0x180/0x180 [ 317.185347] ? trace_hardirqs_on_caller+0xc0/0x310 [ 317.190284] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 317.195052] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 317.200511] ? retint_kernel+0x1b/0x2d [ 317.204400] ? trace_hardirqs_on+0x310/0x310 [ 317.208819] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 317.213608] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 317.218383] ? show_mem+0x1e/0x17b [ 317.221933] show_mem+0x34/0x17b [ 317.225310] dump_header+0x2f1/0xf72 [ 317.229043] ? mark_held_locks+0x130/0x130 [ 317.233285] ? pagefault_out_of_memory+0x197/0x197 [ 317.238228] ? __lock_acquire+0x62f/0x4c20 [ 317.242472] ? zap_class+0x640/0x640 [ 317.246195] ? percpu_ref_get_many+0x240/0x240 [ 317.250783] ? print_usage_bug+0xc0/0xc0 [ 317.254852] ? print_usage_bug+0xc0/0xc0 [ 317.258923] ? zap_class+0x640/0x640 [ 317.262641] ? print_usage_bug+0xc0/0xc0 [ 317.266715] ? print_usage_bug+0xc0/0xc0 [ 317.270797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.276342] ? find_held_lock+0x36/0x1c0 [ 317.280417] ? mark_held_locks+0xc7/0x130 [ 317.284576] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 317.289698] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 317.294807] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 317.299396] ? trace_hardirqs_on+0xbd/0x310 [ 317.303725] ? kasan_check_read+0x11/0x20 [ 317.307887] ? ___ratelimit+0x3b4/0x672 [ 317.311866] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.316972] ? trace_hardirqs_on+0x310/0x310 [ 317.321384] ? lock_downgrade+0x900/0x900 [ 317.325543] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 317.330658] ? ___ratelimit+0x3b9/0x672 [ 317.334649] ? idr_get_free+0xec0/0xec0 [ 317.338666] ? kasan_check_read+0x11/0x20 [ 317.342825] ? do_raw_spin_unlock+0xa7/0x330 [ 317.347254] oom_kill_process.cold.27+0x10/0x903 [ 317.352007] ? zap_class+0x640/0x640 [ 317.355734] ? _raw_spin_unlock+0x2c/0x50 [ 317.359891] ? oom_badness+0xe6/0xaa0 [ 317.363704] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 317.368639] ? kasan_check_read+0x11/0x20 [ 317.372796] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.378080] ? oom_evaluate_task+0x540/0x540 [ 317.382497] ? find_held_lock+0x36/0x1c0 [ 317.386581] ? out_of_memory+0x974/0x1430 [ 317.390742] ? lock_downgrade+0x900/0x900 [ 317.394893] ? check_preemption_disabled+0x48/0x280 [ 317.399928] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 317.404859] ? kasan_check_read+0x11/0x20 [ 317.409013] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.414352] ? rcu_softirq_qs+0x20/0x20 [ 317.418341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.423885] ? oom_evaluate_task+0x302/0x540 [ 317.428306] out_of_memory+0xa84/0x1430 [ 317.432297] ? oom_killer_disable+0x3a0/0x3a0 [ 317.436799] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 317.441741] ? __mutex_add_waiter+0x2a0/0x2a0 [ 317.446252] __alloc_pages_slowpath+0x22d4/0x2d70 [ 317.451133] ? warn_alloc+0x120/0x120 [ 317.455128] ? rcu_softirq_qs+0x20/0x20 [ 317.459142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.464695] ? should_fail+0x22d/0xd01 [ 317.468589] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.473697] ? zap_class+0x640/0x640 [ 317.477443] ? __lock_is_held+0xb5/0x140 [ 317.481530] ? mark_held_locks+0x130/0x130 [ 317.485788] ? lock_release+0xa00/0xa00 [ 317.489768] ? perf_trace_sched_process_exec+0x860/0x860 [ 317.495236] ? __might_sleep+0x95/0x190 [ 317.499219] __alloc_pages_nodemask+0xa80/0xde0 [ 317.503898] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 317.508920] ? __page_cache_alloc+0x191/0x5c0 [ 317.513423] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 317.518358] ? kasan_check_read+0x11/0x20 [ 317.522516] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.527802] ? zap_class+0x640/0x640 [ 317.531545] ? zap_class+0x640/0x640 [ 317.535272] ? zap_class+0x640/0x640 [ 317.538989] ? __do_page_cache_readahead+0x7ce/0x980 [ 317.544109] ? find_held_lock+0x36/0x1c0 [ 317.548186] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 317.553739] alloc_pages_current+0x173/0x350 [ 317.558170] __page_cache_alloc+0x38c/0x5c0 [ 317.563035] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 317.567974] ? kasan_check_read+0x11/0x20 [ 317.572129] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.577413] ? generic_perform_write+0x6a0/0x6a0 [ 317.582182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.587731] ? check_preemption_disabled+0x48/0x280 [ 317.592785] filemap_fault+0x1594/0x25f0 [ 317.596869] ? __lock_page_or_retry+0xa00/0xa00 [ 317.601545] ? mark_held_locks+0x130/0x130 [ 317.605793] ? rcu_softirq_qs+0x20/0x20 [ 317.609783] ? filemap_map_pages+0xe04/0x1990 [ 317.614305] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 317.619249] ? futex_wait_setup+0x15c/0x3e0 [ 317.623585] ? zap_class+0x640/0x640 [ 317.627335] ? lock_acquire+0x1ed/0x520 [ 317.631320] ? alloc_set_pte+0x1447/0x1f40 [ 317.635603] ? lock_acquire+0x1ed/0x520 [ 317.639582] ? ext4_filemap_fault+0x7a/0xad [ 317.643915] ? lock_release+0xa00/0xa00 [ 317.647891] ? perf_trace_sched_process_exec+0x860/0x860 [ 317.653348] ? print_usage_bug+0xc0/0xc0 [ 317.657415] ? print_usage_bug+0xc0/0xc0 [ 317.661492] ? down_read+0x8d/0x120 [ 317.665124] ? ext4_filemap_fault+0x7a/0xad [ 317.669453] ? __down_interruptible+0x700/0x700 [ 317.674139] ext4_filemap_fault+0x82/0xad [ 317.678302] __do_fault+0x100/0x6b0 [ 317.681932] ? unlock_page+0x2c2/0x4c0 [ 317.685851] ? pmd_devmap_trans_unstable+0x220/0x220 [ 317.690965] ? mark_held_locks+0x130/0x130 [ 317.695213] ? mark_held_locks+0x130/0x130 [ 317.699451] ? do_raw_spin_trylock+0x270/0x270 [ 317.704076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.709630] __handle_mm_fault+0x307c/0x5920 [ 317.714061] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 317.718923] ? kasan_check_read+0x11/0x20 [ 317.723078] ? _copy_to_user+0xc8/0x110 [ 317.727071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.732622] ? zap_class+0x640/0x640 [ 317.736339] ? zap_class+0x640/0x640 [ 317.740095] ? find_held_lock+0x36/0x1c0 [ 317.744179] ? handle_mm_fault+0x42a/0xc70 [ 317.748419] ? lock_downgrade+0x900/0x900 [ 317.752580] ? check_preemption_disabled+0x48/0x280 [ 317.757607] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 317.762541] ? kasan_check_read+0x11/0x20 [ 317.766702] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 317.771994] ? rcu_softirq_qs+0x20/0x20 [ 317.775980] ? trace_hardirqs_off_caller+0x310/0x310 [ 317.781103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.786648] ? check_preemption_disabled+0x48/0x280 [ 317.791685] handle_mm_fault+0x54f/0xc70 [ 317.795800] ? __handle_mm_fault+0x5920/0x5920 [ 317.800393] ? find_vma+0x34/0x190 [ 317.803943] __do_page_fault+0x5e8/0xe60 [ 317.808016] ? trace_hardirqs_off+0xb8/0x310 [ 317.812462] ? __ia32_sys_read+0xb0/0xb0 [ 317.816538] do_page_fault+0xf2/0x7e0 [ 317.820350] ? vmalloc_sync_all+0x30/0x30 [ 317.824508] ? error_entry+0x70/0xd0 [ 317.828228] ? trace_hardirqs_off_caller+0xbb/0x310 [ 317.833247] ? trace_hardirqs_on_caller+0xc0/0x310 [ 317.838184] ? syscall_return_slowpath+0x5e0/0x5e0 [ 317.843115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.847967] ? trace_hardirqs_on_caller+0x310/0x310 [ 317.852985] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 317.858463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.864009] ? prepare_exit_to_usermode+0x291/0x3b0 [ 317.869078] ? page_fault+0x8/0x30 [ 317.872632] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.877489] ? page_fault+0x8/0x30 [ 317.881043] page_fault+0x1e/0x30 [ 317.884512] RIP: 0033:0x4727a0 [ 317.887719] Code: Bad RIP value. [ 317.891086] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 317.896455] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 317.903737] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 317.911008] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 317.918290] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 317.925566] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 317.932861] warn_alloc_show_mem: 1 callbacks suppressed [ 317.932873] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 317.932875] Mem-Info: [ 317.932908] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 317.932908] active_file:12 inactive_file:13 isolated_file:0 [ 317.932908] unevictable:0 dirty:0 writeback:0 unstable:0 [ 317.932908] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 317.932908] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 317.932908] free:13771 free_pcp:124 free_cma:0 [ 317.938272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 317.945207] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 317.947620] Call Trace: [ 317.980490] Node 0 [ 317.989838] [ 318.017279] 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 [ 318.019844] dump_stack+0x244/0x39d [ 318.022050] lowmem_reserve[]: 0 2818 [ 318.024218] ? dump_stack_print_info.cold.1+0x20/0x20 [ 318.049708] 6321 6321 [ 318.053352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.057055] Node 0 [ 318.062255] warn_alloc.cold.117+0xb7/0x1bd [ 318.064753] DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 318.070265] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.072481] lowmem_reserve[]: 0 [ 318.076817] ? lock_downgrade+0x900/0x900 [ 318.103767] 0 3503 [ 318.108625] ? trace_hardirqs_off+0xb8/0x310 [ 318.111881] 3503 [ 318.116037] ? trace_hardirqs_off+0xb8/0x310 [ 318.122666] __alloc_pages_slowpath+0x2660/0x2d70 [ 318.124747] Node 0 [ 318.129176] ? warn_alloc+0x120/0x120 [ 318.134005] Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 318.136238] ? warn_alloc+0x120/0x120 [ 318.140014] lowmem_reserve[]: 0 [ 318.168150] ? print_usage_bug+0xc0/0xc0 [ 318.171946] 0 0 [ 318.175236] ? warn_alloc+0x120/0x120 [ 318.179278] 0 [ 318.181255] ? print_usage_bug+0xc0/0xc0 [ 318.186875] ? __lock_acquire+0x62f/0x4c20 [ 318.190914] Node 0 [ 318.195146] ? __lock_acquire+0x62f/0x4c20 [ 318.195149] DMA: 1*4kB [ 318.197394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.201620] (U) [ 318.204206] ? should_fail+0x22d/0xd01 [ 318.209722] 0*8kB [ 318.211699] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.215575] 0*16kB [ 318.217728] ? __lock_acquire+0x62f/0x4c20 [ 318.222812] 1*32kB [ 318.225057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.229265] (U) [ 318.231504] ? __lock_acquire+0x62f/0x4c20 [ 318.236587] 2*64kB [ 318.238566] ? should_fail+0x22d/0xd01 [ 318.242775] (U) 1*128kB [ 318.245037] ? find_held_lock+0x36/0x1c0 [ 318.248907] (U) [ 318.251581] ? mark_held_locks+0x130/0x130 [ 318.255620] 1*256kB [ 318.257595] ? mark_held_locks+0x130/0x130 [ 318.261821] (U) [ 318.264146] ? zap_class+0x640/0x640 [ 318.268361] 0*512kB [ 318.270350] ? zap_class+0x640/0x640 [ 318.274059] 1*1024kB [ 318.276385] ? print_usage_bug+0xc0/0xc0 [ 318.280085] (U) [ 318.282496] ? do_raw_spin_unlock+0xa7/0x330 [ 318.286558] 1*2048kB [ 318.288531] ? zap_class+0x640/0x640 [ 318.292922] (M) [ 318.295332] ? print_usage_bug+0xc0/0xc0 [ 318.299030] 3*4096kB (M) [ 318.301037] ? wq_watchdog_touch+0x9c/0xfe [ 318.305078] = 15908kB [ 318.307843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.312063] Node 0 [ 318.314499] ? check_preemption_disabled+0x48/0x280 [ 318.320009] DMA32: 4*4kB [ 318.322284] ? __lock_is_held+0xb5/0x140 [ 318.327275] (M) [ 318.330048] __alloc_pages_nodemask+0xa80/0xde0 [ 318.334093] 0*8kB [ 318.336087] ? zap_class+0x640/0x640 [ 318.340723] 2*16kB [ 318.342879] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 318.346574] (M) [ 318.348820] ? find_held_lock+0x36/0x1c0 [ 318.353804] 2*32kB (UM) [ 318.355804] ? ____cache_alloc_node+0x1c7/0x1e0 [ 318.359832] 4*64kB (UM) [ 318.362521] ? lock_downgrade+0x900/0x900 [ 318.367166] 4*128kB (M) [ 318.369860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.373985] 3*256kB [ 318.376664] cache_grow_begin+0xa5/0x8c0 [ 318.382175] (M) [ 318.384504] ? do_raw_spin_unlock+0xa7/0x330 [ 318.388539] 4*512kB (UM) [ 318.390568] fallback_alloc+0x204/0x2e0 [ 318.394952] 3*1024kB (UM) [ 318.397724] ____cache_alloc_node+0x1c7/0x1e0 [ 318.401671] 3*2048kB (UM) [ 318.404535] kmem_cache_alloc_node+0xe3/0x730 [ 318.409001] 3*4096kB (M) [ 318.411876] ? ipv6_get_ifaddr+0x42e/0x620 [ 318.416343] = 25200kB [ 318.416353] Node 0 [ 318.419121] __alloc_skb+0x119/0x770 [ 318.423325] Normal: 786*4kB [ 318.425752] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 318.427962] (MEH) [ 318.431677] ? netdev_alloc_frag+0x1f0/0x1f0 [ 318.434670] 440*8kB (UMEH) [ 318.439962] ? lock_downgrade+0x900/0x900 [ 318.442087] 141*16kB (MEH) [ 318.446508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.449415] 54*32kB (MEH) [ 318.453580] ? refcount_sub_and_test_checked+0x203/0x310 [ 318.456493] 14*64kB [ 318.462041] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 318.464866] (UME) [ 318.470319] ? addrconf_rs_timer+0x690/0x690 [ 318.472624] 1*128kB [ 318.478085] ndisc_alloc_skb+0x144/0x340 [ 318.480208] (H) [ 318.484617] ndisc_send_rs+0x331/0x6e0 [ 318.486917] 1*256kB (H) [ 318.490989] addrconf_rs_timer+0x314/0x690 [ 318.492945] 2*512kB [ 318.496832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.499482] (H) [ 318.503727] call_timer_fn+0x272/0x920 [ 318.506041] 1*1024kB [ 318.510280] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.512247] (U) [ 318.516141] ? process_timeout+0x40/0x40 [ 318.518533] 0*2048kB [ 318.522782] ? __run_timers+0x7da/0xc70 [ 318.524750] 0*4096kB [ 318.528817] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.531210] = 13976kB [ 318.535185] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.537584] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 318.542075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.542095] ? lockdep_hardirqs_on+0x296/0x5b0 [ 318.544496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 318.548989] ? trace_hardirqs_on+0xbd/0x310 [ 318.557805] 163 total pagecache pages [ 318.562064] ? kasan_check_read+0x11/0x20 [ 318.566624] 0 pages in swap cache [ 318.575198] ? __run_timers+0x7da/0xc70 [ 318.579503] Swap cache stats: add 0, delete 0, find 0/0 [ 318.583303] ? trace_hardirqs_off_caller+0x310/0x310 [ 318.587426] Free swap = 0kB [ 318.587435] Total swap = 0kB [ 318.590891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.594843] 1965979 pages RAM [ 318.600207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.605289] 0 pages HighMem/MovableOnly [ 318.605299] 342867 pages reserved [ 318.608321] __run_timers+0x7e5/0xc70 [ 318.611319] 0 pages cma reserved [ 318.615561] ? timer_fixup_init+0x70/0x70 [ 318.618727] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 318.622884] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 318.626937] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 318.630290] ? zap_class+0x640/0x640 [ 318.634086] syz-fuzzer cpuset= [ 318.637466] ? enqueue_hrtimer+0x1a5/0x560 [ 318.641609] / [ 318.648186] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 318.653190] mems_allowed=0 [ 318.663413] ? find_held_lock+0x36/0x1c0 [ 318.688390] ? zap_class+0x640/0x640 [ 318.692115] ? pvclock_read_flags+0x160/0x160 [ 318.696617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.702161] ? check_preemption_disabled+0x48/0x280 [ 318.707193] ? __lock_is_held+0xb5/0x140 [ 318.711258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.716803] ? check_preemption_disabled+0x48/0x280 [ 318.721830] run_timer_softirq+0x52/0xb0 [ 318.725895] ? rcu_read_lock_sched_held+0x14f/0x180 [ 318.730917] __do_softirq+0x308/0xb7e [ 318.734741] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 318.739241] ? lock_downgrade+0x900/0x900 [ 318.743394] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 318.748507] ? pvclock_read_flags+0x160/0x160 [ 318.753012] ? lapic_next_event+0x5a/0x90 [ 318.757182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.762733] ? kvm_clock_read+0x18/0x30 [ 318.766709] ? kvm_sched_clock_read+0x9/0x20 [ 318.771128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.776672] ? check_preemption_disabled+0x48/0x280 [ 318.781702] irq_exit+0x17f/0x1c0 [ 318.785159] smp_apic_timer_interrupt+0x1cb/0x760 [ 318.790003] ? smp_reschedule_interrupt+0x109/0x650 [ 318.795056] ? smp_call_function_single_interrupt+0x650/0x650 [ 318.800956] ? interrupt_entry+0xb5/0xc0 [ 318.805033] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.810079] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.815106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.819955] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.824997] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.830035] ? task_prio+0x50/0x50 [ 318.833608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.839181] ? check_preemption_disabled+0x48/0x280 [ 318.844219] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.849083] apic_timer_interrupt+0xf/0x20 [ 318.853313] [ 318.855582] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 318.861471] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 318.880374] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 318.888103] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 318.895382] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 318.902661] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 318.909937] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 318.917214] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 318.924526] ? save_stack+0xa9/0xd0 [ 318.928175] __kmalloc_node_track_caller+0x33/0x70 [ 318.933119] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 318.937889] pskb_expand_head+0x230/0x10f0 [ 318.942134] ? memcpy+0x45/0x50 [ 318.945419] ? __copy_skb_header+0x350/0x6b0 [ 318.949834] ? skb_release_data+0x880/0x880 [ 318.954161] ? __alloc_skb+0x770/0x770 [ 318.958077] ? __lock_is_held+0xb5/0x140 [ 318.962171] ? kasan_check_write+0x14/0x20 [ 318.966413] ? __skb_clone+0x6c7/0xa00 [ 318.970305] ? __copy_skb_header+0x6b0/0x6b0 [ 318.974720] ? kmem_cache_alloc+0x33a/0x730 [ 318.979067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.984616] skb_ensure_writable+0x3dd/0x640 [ 318.989040] ? skb_checksum_setup+0xaa0/0xaa0 [ 318.993552] ? check_preemption_disabled+0x48/0x280 [ 318.998580] ? __this_cpu_preempt_check+0x1c/0x20 [ 319.003430] ? __bpf_redirect+0x54b/0xb20 [ 319.007592] bpf_clone_redirect+0x14a/0x490 [ 319.011929] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 319.016951] ? __sched_text_start+0x8/0x8 [ 319.021125] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 319.025890] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 319.030481] ? retint_kernel+0x2d/0x2d [ 319.034382] ? find_held_lock+0x36/0x1c0 [ 319.038456] ? lock_acquire+0x1ed/0x520 [ 319.042463] ? bpf_test_run+0x3cb/0x780 [ 319.046446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.052012] ? check_preemption_disabled+0x48/0x280 [ 319.057082] ? kasan_check_read+0x11/0x20 [ 319.061243] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 319.066525] ? rcu_softirq_qs+0x20/0x20 [ 319.070535] ? preempt_schedule+0x4d/0x60 [ 319.074692] ? ___preempt_schedule+0x16/0x18 [ 319.079127] ? bpf_test_run+0x25d/0x780 [ 319.083123] ? netlink_diag_dump+0x2a0/0x2a0 [ 319.087543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.093085] ? bpf_test_init.isra.10+0x70/0x100 [ 319.097763] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 319.102536] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 319.107383] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 319.112930] ? fput+0x130/0x1a0 [ 319.116214] ? __bpf_prog_get+0x9b/0x290 [ 319.120285] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 319.125137] ? bpf_prog_test_run+0x130/0x1a0 [ 319.129553] ? __x64_sys_bpf+0x3d8/0x520 [ 319.133618] ? bpf_prog_get+0x20/0x20 [ 319.137445] ? do_syscall_64+0x1b9/0x820 [ 319.141513] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 319.146894] ? syscall_return_slowpath+0x5e0/0x5e0 [ 319.151835] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.156875] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 319.161917] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 319.168591] ? __switch_to_asm+0x40/0x70 [ 319.172673] ? __switch_to_asm+0x34/0x70 [ 319.176744] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.181603] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 319.186987] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 319.187091] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 319.193703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.193712] Call Trace: [ 319.200324] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 319.209566] [ 319.212144] syz-executor5 cpuset= [ 319.222631] dump_stack+0x244/0x39d [ 319.224761] syz5 [ 319.228219] ? dump_stack_print_info.cold.1+0x20/0x20 [ 319.231831] mems_allowed=0 [ 319.233820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.247452] warn_alloc.cold.117+0xb7/0x1bd [ 319.251782] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 319.256635] ? lock_downgrade+0x900/0x900 [ 319.260804] ? trace_hardirqs_off+0xb8/0x310 [ 319.265249] ? trace_hardirqs_off+0xb8/0x310 [ 319.269673] __alloc_pages_slowpath+0x2660/0x2d70 [ 319.274563] ? warn_alloc+0x120/0x120 [ 319.278377] ? warn_alloc+0x120/0x120 [ 319.282190] ? print_usage_bug+0xc0/0xc0 [ 319.286257] ? warn_alloc+0x120/0x120 [ 319.290078] ? print_usage_bug+0xc0/0xc0 [ 319.294151] ? __lock_acquire+0x62f/0x4c20 [ 319.298392] ? __lock_acquire+0x62f/0x4c20 [ 319.302632] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.308171] ? should_fail+0x22d/0xd01 [ 319.312068] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 319.317354] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.322483] ? __lock_acquire+0x62f/0x4c20 [ 319.326738] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.331858] ? __lock_acquire+0x62f/0x4c20 [ 319.336118] ? should_fail+0x22d/0xd01 [ 319.340013] ? rcu_irq_exit+0x1a2/0x390 [ 319.344008] ? mark_held_locks+0x130/0x130 [ 319.348259] ? mark_held_locks+0x130/0x130 [ 319.352516] ? mark_held_locks+0xc7/0x130 [ 319.356665] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 319.361696] ? zap_class+0x640/0x640 [ 319.365418] ? print_usage_bug+0xc0/0xc0 [ 319.369526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.375085] ? check_preemption_disabled+0x48/0x280 [ 319.380117] ? __lock_is_held+0xb5/0x140 [ 319.384196] __alloc_pages_nodemask+0xa80/0xde0 [ 319.388869] ? zap_class+0x640/0x640 [ 319.392590] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 319.397625] ? find_held_lock+0x36/0x1c0 [ 319.401714] ? ____cache_alloc_node+0x1c7/0x1e0 [ 319.406393] ? lock_downgrade+0x900/0x900 [ 319.410564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.416114] cache_grow_begin+0xa5/0x8c0 [ 319.420182] ? do_raw_spin_unlock+0xa7/0x330 [ 319.424621] fallback_alloc+0x204/0x2e0 [ 319.428601] ____cache_alloc_node+0x1c7/0x1e0 [ 319.433109] kmem_cache_alloc_node+0xe3/0x730 [ 319.437620] ? ipv6_get_ifaddr+0x42e/0x620 [ 319.441884] __alloc_skb+0x119/0x770 [ 319.445607] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 319.450901] ? netdev_alloc_frag+0x1f0/0x1f0 [ 319.455614] ? lock_downgrade+0x900/0x900 [ 319.459780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.465353] ? refcount_sub_and_test_checked+0x203/0x310 [ 319.470816] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 319.476279] ? addrconf_rs_timer+0x690/0x690 [ 319.480706] ndisc_alloc_skb+0x144/0x340 [ 319.484780] ndisc_send_rs+0x331/0x6e0 [ 319.488687] addrconf_rs_timer+0x314/0x690 [ 319.492934] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.497191] call_timer_fn+0x272/0x920 [ 319.501096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.505358] ? process_timeout+0x40/0x40 [ 319.509437] ? mark_held_locks+0xc7/0x130 [ 319.513604] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.518111] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.522610] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.526854] ? lockdep_hardirqs_on+0x296/0x5b0 [ 319.531445] ? trace_hardirqs_on+0xbd/0x310 [ 319.535776] ? kasan_check_read+0x11/0x20 [ 319.539933] ? __run_timers+0x7da/0xc70 [ 319.543911] ? trace_hardirqs_off_caller+0x310/0x310 [ 319.549057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.553307] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.557555] __run_timers+0x7e5/0xc70 [ 319.561906] ? timer_fixup_init+0x70/0x70 [ 319.566071] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 319.571100] ? zap_class+0x640/0x640 [ 319.574822] ? print_usage_bug+0xc0/0xc0 [ 319.578888] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 319.584093] ? find_held_lock+0x36/0x1c0 [ 319.588164] ? zap_class+0x640/0x640 [ 319.591892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.597457] ? check_preemption_disabled+0x48/0x280 [ 319.602490] ? __lock_is_held+0xb5/0x140 [ 319.606565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.612105] ? check_preemption_disabled+0x48/0x280 [ 319.617132] run_timer_softirq+0x52/0xb0 [ 319.621197] ? rcu_read_lock_sched_held+0x14f/0x180 [ 319.626242] __do_softirq+0x308/0xb7e [ 319.630060] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 319.634565] ? lock_downgrade+0x900/0x900 [ 319.638760] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 319.643877] ? pvclock_read_flags+0x160/0x160 [ 319.648383] ? lapic_next_event+0x5a/0x90 [ 319.652566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.658112] ? kvm_clock_read+0x18/0x30 [ 319.662094] ? kvm_sched_clock_read+0x9/0x20 [ 319.666522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.672175] ? check_preemption_disabled+0x48/0x280 [ 319.677206] irq_exit+0x17f/0x1c0 [ 319.680663] smp_apic_timer_interrupt+0x1cb/0x760 [ 319.685508] ? smp_reschedule_interrupt+0x109/0x650 [ 319.690529] ? smp_call_function_single_interrupt+0x650/0x650 [ 319.696434] ? interrupt_entry+0xb5/0xc0 [ 319.700501] ? trace_hardirqs_off_caller+0xbb/0x310 [ 319.705522] ? trace_hardirqs_off_caller+0xbb/0x310 [ 319.710547] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.715404] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.720428] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.725448] ? task_prio+0x50/0x50 [ 319.729004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.734580] ? check_preemption_disabled+0x48/0x280 [ 319.739616] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.744475] apic_timer_interrupt+0xf/0x20 [ 319.748706] [ 319.750953] RIP: 0010:console_unlock+0xffa/0x1160 [ 319.755803] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 319.774710] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 319.782427] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 319.789696] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 319.796976] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 319.804248] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 319.811518] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 319.818818] ? netconsole_netdev_event+0x280/0x280 [ 319.823784] ? console_unlock+0xff1/0x1160 [ 319.828063] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 319.832744] ? lock_release+0xa00/0xa00 [ 319.836736] ? interrupt_entry+0xc0/0xc0 [ 319.840820] vprintk_emit+0x33d/0x930 [ 319.844637] ? wake_up_klogd+0x180/0x180 [ 319.848719] ? attach_entity_load_avg+0x810/0x860 [ 319.853570] ? __lock_acquire+0x600/0x4c20 [ 319.857831] ? mark_held_locks+0x130/0x130 [ 319.862066] ? print_usage_bug+0xc0/0xc0 [ 319.866141] ? find_held_lock+0x36/0x1c0 [ 319.870218] ? mark_held_locks+0xc7/0x130 [ 319.874378] vprintk_default+0x28/0x30 [ 319.878273] vprintk_func+0x7e/0x181 [ 319.881991] printk+0xa7/0xcf [ 319.885126] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 319.889904] show_free_areas.cold.118+0x1f34/0x215d [ 319.894976] ? si_meminfo_node+0x260/0x260 [ 319.899222] ? __lock_acquire+0x62f/0x4c20 [ 319.903462] ? __lock_acquire+0x62f/0x4c20 [ 319.907712] ? __lock_is_held+0xb5/0x140 [ 319.911807] ? mark_held_locks+0x130/0x130 [ 319.916070] ? zap_class+0x640/0x640 [ 319.919800] ? put_dec+0x3b/0xf0 [ 319.923177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.928741] ? find_held_lock+0x36/0x1c0 [ 319.932819] ? serial8250_console_write+0x8b3/0xb10 [ 319.937861] ? lock_downgrade+0x900/0x900 [ 319.942036] ? zap_class+0x640/0x640 [ 319.945766] ? zap_class+0x640/0x640 [ 319.949497] ? print_usage_bug+0xc0/0xc0 [ 319.953563] ? do_raw_spin_unlock+0xa7/0x330 [ 319.957982] ? trace_hardirqs_on+0x310/0x310 [ 319.962406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.967958] ? find_held_lock+0x36/0x1c0 [ 319.972046] ? mark_held_locks+0xc7/0x130 [ 319.976204] ? console_unlock+0xfcd/0x1160 [ 319.980447] ? netconsole_netdev_event+0x280/0x280 [ 319.985380] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 319.989968] ? trace_hardirqs_on+0xbd/0x310 [ 319.994293] ? vprintk_emit+0x33d/0x930 [ 319.998282] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.003392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.008952] ? netconsole_netdev_event+0x280/0x280 [ 320.013893] ? console_unlock+0x8d8/0x1160 [ 320.018148] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 320.022817] ? vprintk_emit+0x7f7/0x930 [ 320.026799] ? lock_release+0xa00/0xa00 [ 320.030780] ? preempt_count_add+0xbc/0x1b0 [ 320.035114] ? wake_up_klogd+0x11a/0x180 [ 320.039186] ? console_device+0xc0/0xc0 [ 320.043170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.048719] ? vprintk_emit+0x268/0x930 [ 320.052704] ? wake_up_klogd+0x180/0x180 [ 320.056779] ? trace_hardirqs_on_caller+0xc0/0x310 [ 320.061735] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 320.066497] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.071954] ? retint_kernel+0x1b/0x2d [ 320.075850] ? trace_hardirqs_on+0x310/0x310 [ 320.080276] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 320.085070] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 320.089841] ? show_mem+0x1e/0x17b [ 320.093396] show_mem+0x34/0x17b [ 320.096772] dump_header+0x2f1/0xf72 [ 320.100499] ? mark_held_locks+0x130/0x130 [ 320.104743] ? pagefault_out_of_memory+0x197/0x197 [ 320.109687] ? __lock_acquire+0x62f/0x4c20 [ 320.113931] ? zap_class+0x640/0x640 [ 320.117657] ? percpu_ref_get_many+0x240/0x240 [ 320.122249] ? print_usage_bug+0xc0/0xc0 [ 320.126316] ? print_usage_bug+0xc0/0xc0 [ 320.130388] ? zap_class+0x640/0x640 [ 320.134139] ? print_usage_bug+0xc0/0xc0 [ 320.138206] ? print_usage_bug+0xc0/0xc0 [ 320.142284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.147829] ? find_held_lock+0x36/0x1c0 [ 320.151906] ? mark_held_locks+0xc7/0x130 [ 320.156070] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 320.161179] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 320.166285] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 320.170875] ? trace_hardirqs_on+0xbd/0x310 [ 320.175204] ? kasan_check_read+0x11/0x20 [ 320.179354] ? ___ratelimit+0x3b4/0x672 [ 320.183336] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.188446] ? trace_hardirqs_on+0x310/0x310 [ 320.192931] ? lock_downgrade+0x900/0x900 [ 320.197094] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 320.202202] ? ___ratelimit+0x3b9/0x672 [ 320.206181] ? idr_get_free+0xec0/0xec0 [ 320.210158] ? kasan_check_read+0x11/0x20 [ 320.214312] ? do_raw_spin_unlock+0xa7/0x330 [ 320.218738] oom_kill_process.cold.27+0x10/0x903 [ 320.223498] ? zap_class+0x640/0x640 [ 320.227217] ? _raw_spin_unlock+0x2c/0x50 [ 320.231368] ? oom_badness+0xe6/0xaa0 [ 320.235179] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.240114] ? kasan_check_read+0x11/0x20 [ 320.244270] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.249561] ? oom_evaluate_task+0x540/0x540 [ 320.253978] ? find_held_lock+0x36/0x1c0 [ 320.258057] ? out_of_memory+0x974/0x1430 [ 320.262215] ? lock_downgrade+0x900/0x900 [ 320.266371] ? check_preemption_disabled+0x48/0x280 [ 320.271400] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.276331] ? kasan_check_read+0x11/0x20 [ 320.280492] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.285779] ? rcu_softirq_qs+0x20/0x20 [ 320.289769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.295312] ? oom_evaluate_task+0x302/0x540 [ 320.299734] out_of_memory+0xa84/0x1430 [ 320.303729] ? oom_killer_disable+0x3a0/0x3a0 [ 320.308230] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 320.313172] ? __mutex_add_waiter+0x2a0/0x2a0 [ 320.317685] __alloc_pages_slowpath+0x22d4/0x2d70 [ 320.322582] ? warn_alloc+0x120/0x120 [ 320.326389] ? rcu_softirq_qs+0x20/0x20 [ 320.330403] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.335946] ? should_fail+0x22d/0xd01 [ 320.339841] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.344950] ? zap_class+0x640/0x640 [ 320.348708] ? __lock_is_held+0xb5/0x140 [ 320.352792] ? mark_held_locks+0x130/0x130 [ 320.357050] ? lock_release+0xa00/0xa00 [ 320.361042] ? perf_trace_sched_process_exec+0x860/0x860 [ 320.366511] ? __might_sleep+0x95/0x190 [ 320.370513] __alloc_pages_nodemask+0xa80/0xde0 [ 320.375199] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 320.380222] ? __page_cache_alloc+0x191/0x5c0 [ 320.384727] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.389663] ? kasan_check_read+0x11/0x20 [ 320.393813] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.399098] ? zap_class+0x640/0x640 [ 320.402825] ? zap_class+0x640/0x640 [ 320.406547] ? zap_class+0x640/0x640 [ 320.410273] ? __do_page_cache_readahead+0x7ce/0x980 [ 320.415415] ? find_held_lock+0x36/0x1c0 [ 320.419488] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 320.425045] alloc_pages_current+0x173/0x350 [ 320.429467] __page_cache_alloc+0x38c/0x5c0 [ 320.433793] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.438726] ? kasan_check_read+0x11/0x20 [ 320.442882] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.448171] ? generic_perform_write+0x6a0/0x6a0 [ 320.452947] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.458501] ? check_preemption_disabled+0x48/0x280 [ 320.463541] filemap_fault+0x1594/0x25f0 [ 320.467635] ? __lock_page_or_retry+0xa00/0xa00 [ 320.472312] ? mark_held_locks+0x130/0x130 [ 320.476570] ? rcu_softirq_qs+0x20/0x20 [ 320.480576] ? filemap_map_pages+0xe04/0x1990 [ 320.485098] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 320.490056] ? futex_wait_setup+0x15c/0x3e0 [ 320.494388] ? zap_class+0x640/0x640 [ 320.498118] ? lock_acquire+0x1ed/0x520 [ 320.502098] ? alloc_set_pte+0x1447/0x1f40 [ 320.506354] ? lock_acquire+0x1ed/0x520 [ 320.510333] ? ext4_filemap_fault+0x7a/0xad [ 320.514664] ? lock_release+0xa00/0xa00 [ 320.518643] ? perf_trace_sched_process_exec+0x860/0x860 [ 320.524103] ? print_usage_bug+0xc0/0xc0 [ 320.528172] ? print_usage_bug+0xc0/0xc0 [ 320.532250] ? down_read+0x8d/0x120 [ 320.535883] ? ext4_filemap_fault+0x7a/0xad [ 320.540214] ? __down_interruptible+0x700/0x700 [ 320.544900] ext4_filemap_fault+0x82/0xad [ 320.549069] __do_fault+0x100/0x6b0 [ 320.552707] ? unlock_page+0x2c2/0x4c0 [ 320.556628] ? pmd_devmap_trans_unstable+0x220/0x220 [ 320.561743] ? mark_held_locks+0x130/0x130 [ 320.565998] ? mark_held_locks+0x130/0x130 [ 320.570250] ? do_raw_spin_trylock+0x270/0x270 [ 320.574868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.580431] __handle_mm_fault+0x307c/0x5920 [ 320.584873] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 320.589740] ? kasan_check_read+0x11/0x20 [ 320.593900] ? _copy_to_user+0xc8/0x110 [ 320.597886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.603447] ? zap_class+0x640/0x640 [ 320.607181] ? zap_class+0x640/0x640 [ 320.610911] ? find_held_lock+0x36/0x1c0 [ 320.614994] ? handle_mm_fault+0x42a/0xc70 [ 320.619251] ? lock_downgrade+0x900/0x900 [ 320.623421] ? check_preemption_disabled+0x48/0x280 [ 320.628456] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 320.633397] ? kasan_check_read+0x11/0x20 [ 320.637561] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 320.642851] ? rcu_softirq_qs+0x20/0x20 [ 320.646829] ? trace_hardirqs_off_caller+0x310/0x310 [ 320.651938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.657503] ? check_preemption_disabled+0x48/0x280 [ 320.662537] handle_mm_fault+0x54f/0xc70 [ 320.666618] ? __handle_mm_fault+0x5920/0x5920 [ 320.671210] ? find_vma+0x34/0x190 [ 320.674764] __do_page_fault+0x5e8/0xe60 [ 320.678829] ? trace_hardirqs_off+0xb8/0x310 [ 320.683240] ? __ia32_sys_read+0xb0/0xb0 [ 320.687316] do_page_fault+0xf2/0x7e0 [ 320.691125] ? vmalloc_sync_all+0x30/0x30 [ 320.695283] ? error_entry+0x70/0xd0 [ 320.699006] ? trace_hardirqs_off_caller+0xbb/0x310 [ 320.704043] ? trace_hardirqs_on_caller+0xc0/0x310 [ 320.708988] ? syscall_return_slowpath+0x5e0/0x5e0 [ 320.713931] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.718778] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.723800] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.729259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.734803] ? prepare_exit_to_usermode+0x291/0x3b0 [ 320.739826] ? page_fault+0x8/0x30 [ 320.743373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.748240] ? page_fault+0x8/0x30 [ 320.751786] page_fault+0x1e/0x30 [ 320.755246] RIP: 0033:0x4727a0 [ 320.758460] Code: Bad RIP value. [ 320.761832] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 320.767204] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 320.774477] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 320.781747] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 320.789020] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 320.796303] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 320.803617] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 320.803623] warn_alloc_show_mem: 1 callbacks suppressed [ 320.803631] Mem-Info: [ 320.810585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.815962] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 320.815962] active_file:12 inactive_file:13 isolated_file:0 [ 320.815962] unevictable:0 dirty:0 writeback:0 unstable:0 [ 320.815962] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 320.815962] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 320.815962] free:13771 free_pcp:124 free_cma:0 [ 320.818339] Call Trace: [ 320.827737] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 320.860610] [ 320.863197] Node 0 [ 320.890617] dump_stack+0x244/0x39d [ 320.892781] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 320.894987] ? dump_stack_print_info.cold.1+0x20/0x20 [ 320.898585] lowmem_reserve[]: 0 [ 320.924110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.929278] 2818 [ 320.932573] warn_alloc.cold.117+0xb7/0x1bd [ 320.938082] 6321 6321 [ 320.940157] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 320.946960] ? lock_downgrade+0x900/0x900 [ 320.951781] Node 0 DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 320.955962] ? trace_hardirqs_off+0xb8/0x310 [ 320.955983] ? trace_hardirqs_off+0xb8/0x310 [ 320.983562] lowmem_reserve[]: 0 [ 320.988018] __alloc_pages_slowpath+0x2660/0x2d70 [ 320.992402] 0 [ 320.995706] ? warn_alloc+0x120/0x120 [ 321.000506] 3503 [ 321.002311] ? warn_alloc+0x120/0x120 [ 321.006093] 3503 [ 321.008159] ? print_usage_bug+0xc0/0xc0 [ 321.014004] ? warn_alloc+0x120/0x120 [ 321.018055] Node 0 Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 321.021866] ? print_usage_bug+0xc0/0xc0 [ 321.050559] lowmem_reserve[]: 0 0 [ 321.054640] ? __lock_acquire+0x62f/0x4c20 [ 321.054657] ? __lock_acquire+0x62f/0x4c20 [ 321.058090] 0 0 [ 321.062340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.068527] ? should_fail+0x22d/0xd01 [ 321.074060] Node 0 [ 321.077952] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.077963] DMA: [ 321.080197] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.085462] 1*4kB [ 321.087524] ? __lock_acquire+0x62f/0x4c20 [ 321.092620] (U) [ 321.094776] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.098986] 0*8kB 0*16kB [ 321.100981] ? __lock_acquire+0x62f/0x4c20 [ 321.106075] 1*32kB [ 321.108829] ? should_fail+0x22d/0xd01 [ 321.113066] (U) [ 321.115307] ? rcu_irq_exit+0x1a2/0x390 [ 321.119171] 2*64kB (U) [ 321.121167] ? mark_held_locks+0x130/0x130 [ 321.125139] 1*128kB [ 321.127712] ? mark_held_locks+0x130/0x130 [ 321.131929] (U) [ 321.134257] ? mark_held_locks+0xc7/0x130 [ 321.138473] 1*256kB [ 321.140450] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 321.144585] (U) [ 321.146927] ? zap_class+0x640/0x640 [ 321.151938] 0*512kB [ 321.153913] ? print_usage_bug+0xc0/0xc0 [ 321.157612] 1*1024kB [ 321.159944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.163978] (U) 1*2048kB [ 321.166401] ? check_preemption_disabled+0x48/0x280 [ 321.171922] (M) [ 321.174685] ? __lock_is_held+0xb5/0x140 [ 321.179676] 3*4096kB (M) [ 321.181672] __alloc_pages_nodemask+0xa80/0xde0 [ 321.185708] = 15908kB [ 321.185718] Node 0 [ 321.188488] ? zap_class+0x640/0x640 [ 321.193139] DMA32: [ 321.195552] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 321.197774] 4*4kB [ 321.201498] ? find_held_lock+0x36/0x1c0 [ 321.203713] (M) [ 321.208739] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.210865] 0*8kB [ 321.214925] ? lock_downgrade+0x900/0x900 [ 321.216883] 2*16kB [ 321.221554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.223688] (M) [ 321.227842] cache_grow_begin+0xa5/0x8c0 [ 321.230054] 2*32kB (UM) [ 321.235603] ? do_raw_spin_unlock+0xa7/0x330 [ 321.237571] 4*64kB [ 321.241638] fallback_alloc+0x204/0x2e0 [ 321.244288] (UM) [ 321.249647] ____cache_alloc_node+0x1c7/0x1e0 [ 321.251865] 4*128kB [ 321.255837] kmem_cache_alloc_node+0xe3/0x730 [ 321.257880] (M) [ 321.262393] ? ipv6_get_ifaddr+0x42e/0x620 [ 321.264699] 3*256kB [ 321.269204] __alloc_skb+0x119/0x770 [ 321.271156] (M) [ 321.275394] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.277695] 4*512kB [ 321.281407] ? netdev_alloc_frag+0x1f0/0x1f0 [ 321.283364] (UM) [ 321.288641] ? lock_downgrade+0x900/0x900 [ 321.290946] 3*1024kB (UM) [ 321.295390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.297448] 3*2048kB [ 321.301596] ? refcount_sub_and_test_checked+0x203/0x310 [ 321.304432] (UM) [ 321.309972] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 321.312366] 3*4096kB [ 321.317826] ? addrconf_rs_timer+0x690/0x690 [ 321.319868] (M) [ 321.325323] ndisc_alloc_skb+0x144/0x340 [ 321.327709] = 25200kB [ 321.332129] ndisc_send_rs+0x331/0x6e0 [ 321.334090] Node 0 [ 321.338163] addrconf_rs_timer+0x314/0x690 [ 321.340577] Normal: [ 321.344468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.346719] 786*4kB [ 321.350961] call_timer_fn+0x272/0x920 [ 321.353261] (MEH) [ 321.357494] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.359802] 440*8kB [ 321.363687] ? process_timeout+0x40/0x40 [ 321.365822] (UMEH) [ 321.370073] ? __run_timers+0x7da/0xc70 [ 321.372381] 141*16kB [ 321.376442] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.378653] (MEH) 54*32kB [ 321.382639] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.385034] (MEH) 14*64kB [ 321.389543] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.392366] (UME) 1*128kB [ 321.396872] ? lockdep_hardirqs_on+0x296/0x5b0 [ 321.399693] (H) [ 321.403932] ? trace_hardirqs_on+0xbd/0x310 [ 321.406757] 1*256kB [ 321.411341] ? kasan_check_read+0x11/0x20 [ 321.413336] (H) [ 321.417661] ? __run_timers+0x7da/0xc70 [ 321.419971] 2*512kB [ 321.424122] ? trace_hardirqs_off_caller+0x310/0x310 [ 321.426085] (H) [ 321.430099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.432406] 1*1024kB (U) [ 321.437517] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.439476] 0*2048kB [ 321.443711] __run_timers+0x7e5/0xc70 [ 321.446446] 0*4096kB [ 321.450723] ? timer_fixup_init+0x70/0x70 [ 321.453115] = 13976kB [ 321.457449] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 321.459862] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 321.464012] ? zap_class+0x640/0x640 [ 321.466422] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 321.471432] ? enqueue_hrtimer+0x1a5/0x560 [ 321.480248] 163 total pagecache pages [ 321.483959] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 321.492523] 0 pages in swap cache [ 321.496759] ? find_held_lock+0x36/0x1c0 [ 321.500540] Swap cache stats: add 0, delete 0, find 0/0 [ 321.505724] ? zap_class+0x640/0x640 [ 321.509156] Free swap = 0kB [ 321.513221] ? pvclock_read_flags+0x160/0x160 [ 321.518566] Total swap = 0kB [ 321.522283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.525278] 1965979 pages RAM [ 321.529771] ? check_preemption_disabled+0x48/0x280 [ 321.532768] 0 pages HighMem/MovableOnly [ 321.538311] ? __lock_is_held+0xb5/0x140 [ 321.541395] 342867 pages reserved [ 321.546420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.550377] 0 pages cma reserved [ 321.554439] ? check_preemption_disabled+0x48/0x280 [ 321.557951] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 321.563579] run_timer_softirq+0x52/0xb0 [ 321.567044] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 321.571952] ? rcu_read_lock_sched_held+0x14f/0x180 [ 321.578443] syz-fuzzer cpuset= [ 321.582507] __do_softirq+0x308/0xb7e [ 321.592727] / [ 321.597749] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 321.600935] mems_allowed=0 [ 321.604735] ? lock_downgrade+0x900/0x900 [ 321.617992] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 321.623127] ? pvclock_read_flags+0x160/0x160 [ 321.627636] ? lapic_next_event+0x5a/0x90 [ 321.631799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.638190] ? kvm_clock_read+0x18/0x30 [ 321.642172] ? kvm_sched_clock_read+0x9/0x20 [ 321.646588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.652151] ? check_preemption_disabled+0x48/0x280 [ 321.657184] irq_exit+0x17f/0x1c0 [ 321.660644] smp_apic_timer_interrupt+0x1cb/0x760 [ 321.665491] ? smp_reschedule_interrupt+0x109/0x650 [ 321.670527] ? smp_call_function_single_interrupt+0x650/0x650 [ 321.676431] ? interrupt_entry+0xb5/0xc0 [ 321.680499] ? trace_hardirqs_off_caller+0xbb/0x310 [ 321.685521] ? trace_hardirqs_off_caller+0xbb/0x310 [ 321.690543] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.695389] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.700424] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.705474] ? task_prio+0x50/0x50 [ 321.709021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.714579] ? check_preemption_disabled+0x48/0x280 [ 321.719618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.724484] apic_timer_interrupt+0xf/0x20 [ 321.728716] [ 321.730973] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 321.736861] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 321.755902] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 321.763620] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 321.770890] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 321.778161] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 321.785435] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 321.792708] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 321.800014] ? save_stack+0xa9/0xd0 [ 321.803674] __kmalloc_node_track_caller+0x33/0x70 [ 321.808615] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 321.813380] pskb_expand_head+0x230/0x10f0 [ 321.817622] ? memcpy+0x45/0x50 [ 321.820917] ? __copy_skb_header+0x350/0x6b0 [ 321.825327] ? skb_release_data+0x880/0x880 [ 321.829654] ? __alloc_skb+0x770/0x770 [ 321.833587] ? __lock_is_held+0xb5/0x140 [ 321.837665] ? kasan_check_write+0x14/0x20 [ 321.841902] ? __skb_clone+0x6c7/0xa00 [ 321.845795] ? __copy_skb_header+0x6b0/0x6b0 [ 321.850205] ? kmem_cache_alloc+0x33a/0x730 [ 321.854539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.860097] skb_ensure_writable+0x3dd/0x640 [ 321.864513] ? skb_checksum_setup+0xaa0/0xaa0 [ 321.869046] ? check_preemption_disabled+0x48/0x280 [ 321.874116] ? __this_cpu_preempt_check+0x1c/0x20 [ 321.878965] ? __bpf_redirect+0x54b/0xb20 [ 321.883133] bpf_clone_redirect+0x14a/0x490 [ 321.887476] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 321.892497] ? __sched_text_start+0x8/0x8 [ 321.896663] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 321.901424] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 321.906009] ? retint_kernel+0x2d/0x2d [ 321.909925] ? find_held_lock+0x36/0x1c0 [ 321.913997] ? lock_acquire+0x1ed/0x520 [ 321.918014] ? bpf_test_run+0x3cb/0x780 [ 321.922008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.927591] ? check_preemption_disabled+0x48/0x280 [ 321.932645] ? kasan_check_read+0x11/0x20 [ 321.936801] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 321.942089] ? rcu_softirq_qs+0x20/0x20 [ 321.946073] ? preempt_schedule+0x4d/0x60 [ 321.950241] ? ___preempt_schedule+0x16/0x18 [ 321.955682] ? bpf_test_run+0x25d/0x780 [ 321.959676] ? netlink_diag_dump+0x2a0/0x2a0 [ 321.964107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.969652] ? bpf_test_init.isra.10+0x70/0x100 [ 321.974335] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 321.979478] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 321.984323] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 321.989864] ? fput+0x130/0x1a0 [ 321.993151] ? __bpf_prog_get+0x9b/0x290 [ 321.997219] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 322.002071] ? bpf_prog_test_run+0x130/0x1a0 [ 322.007313] ? __x64_sys_bpf+0x3d8/0x520 [ 322.011380] ? bpf_prog_get+0x20/0x20 [ 322.015204] ? do_syscall_64+0x1b9/0x820 [ 322.019270] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 322.024660] ? syscall_return_slowpath+0x5e0/0x5e0 [ 322.029613] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.034667] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 322.039686] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 322.046357] ? __switch_to_asm+0x40/0x70 [ 322.050423] ? __switch_to_asm+0x34/0x70 [ 322.054512] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.059369] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 322.064759] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135 [ 322.064849] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 322.071438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.071448] Call Trace: [ 322.078071] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 322.087302] [ 322.089879] syz-executor5 cpuset= [ 322.100365] dump_stack+0x244/0x39d [ 322.102511] syz5 [ 322.105982] ? dump_stack_print_info.cold.1+0x20/0x20 [ 322.109592] mems_allowed=0 [ 322.111570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.125208] warn_alloc.cold.117+0xb7/0x1bd [ 322.129586] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 322.134464] ? lock_downgrade+0x900/0x900 [ 322.138625] ? trace_hardirqs_off+0xb8/0x310 [ 322.143051] ? trace_hardirqs_off+0xb8/0x310 [ 322.147477] __alloc_pages_slowpath+0x2660/0x2d70 [ 322.152353] ? warn_alloc+0x120/0x120 [ 322.156164] ? warn_alloc+0x120/0x120 [ 322.159983] ? print_usage_bug+0xc0/0xc0 [ 322.164065] ? warn_alloc+0x120/0x120 [ 322.167870] ? print_usage_bug+0xc0/0xc0 [ 322.171956] ? __lock_acquire+0x62f/0x4c20 [ 322.176203] ? __lock_acquire+0x62f/0x4c20 [ 322.180449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.185989] ? should_fail+0x22d/0xd01 [ 322.189908] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 322.195190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.200297] ? __lock_acquire+0x62f/0x4c20 [ 322.204540] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.209649] ? __lock_acquire+0x62f/0x4c20 [ 322.213884] ? should_fail+0x22d/0xd01 [ 322.217787] ? rcu_irq_exit+0x1a2/0x390 [ 322.221775] ? mark_held_locks+0x130/0x130 [ 322.226056] ? mark_held_locks+0x130/0x130 [ 322.230302] ? mark_held_locks+0xc7/0x130 [ 322.234463] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 322.239481] ? zap_class+0x640/0x640 [ 322.243204] ? print_usage_bug+0xc0/0xc0 [ 322.247272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.252823] ? check_preemption_disabled+0x48/0x280 [ 322.257869] ? __lock_is_held+0xb5/0x140 [ 322.261950] __alloc_pages_nodemask+0xa80/0xde0 [ 322.266626] ? zap_class+0x640/0x640 [ 322.270348] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 322.275381] ? find_held_lock+0x36/0x1c0 [ 322.279458] ? ____cache_alloc_node+0x1c7/0x1e0 [ 322.284137] ? lock_downgrade+0x900/0x900 [ 322.288296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.293846] cache_grow_begin+0xa5/0x8c0 [ 322.297919] ? do_raw_spin_unlock+0xa7/0x330 [ 322.302339] fallback_alloc+0x204/0x2e0 [ 322.306338] ____cache_alloc_node+0x1c7/0x1e0 [ 322.310843] kmem_cache_alloc_node+0xe3/0x730 [ 322.315343] ? ipv6_get_ifaddr+0x42e/0x620 [ 322.319594] __alloc_skb+0x119/0x770 [ 322.323334] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 322.328619] ? netdev_alloc_frag+0x1f0/0x1f0 [ 322.333040] ? lock_downgrade+0x900/0x900 [ 322.337205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.342747] ? refcount_sub_and_test_checked+0x203/0x310 [ 322.348206] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 322.353658] ? addrconf_rs_timer+0x690/0x690 [ 322.358105] ndisc_alloc_skb+0x144/0x340 [ 322.362178] ndisc_send_rs+0x331/0x6e0 [ 322.366086] addrconf_rs_timer+0x314/0x690 [ 322.370344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.374608] call_timer_fn+0x272/0x920 [ 322.378503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.382767] ? process_timeout+0x40/0x40 [ 322.386838] ? mark_held_locks+0xc7/0x130 [ 322.390993] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.395566] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.400066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.404309] ? lockdep_hardirqs_on+0x296/0x5b0 [ 322.408922] ? trace_hardirqs_on+0xbd/0x310 [ 322.413256] ? kasan_check_read+0x11/0x20 [ 322.417410] ? __run_timers+0x7da/0xc70 [ 322.421392] ? trace_hardirqs_off_caller+0x310/0x310 [ 322.426503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.430745] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.434986] __run_timers+0x7e5/0xc70 [ 322.438817] ? timer_fixup_init+0x70/0x70 [ 322.443019] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 322.448064] ? zap_class+0x640/0x640 [ 322.451788] ? print_usage_bug+0xc0/0xc0 [ 322.455860] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 322.461097] ? find_held_lock+0x36/0x1c0 [ 322.465168] ? zap_class+0x640/0x640 [ 322.468893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.474434] ? check_preemption_disabled+0x48/0x280 [ 322.479467] ? __lock_is_held+0xb5/0x140 [ 322.483535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.489086] ? check_preemption_disabled+0x48/0x280 [ 322.494112] run_timer_softirq+0x52/0xb0 [ 322.498180] ? rcu_read_lock_sched_held+0x14f/0x180 [ 322.503205] __do_softirq+0x308/0xb7e [ 322.507018] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 322.511529] ? lock_downgrade+0x900/0x900 [ 322.515693] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 322.520820] ? pvclock_read_flags+0x160/0x160 [ 322.525326] ? lapic_next_event+0x5a/0x90 [ 322.529479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.535035] ? kvm_clock_read+0x18/0x30 [ 322.539013] ? kvm_sched_clock_read+0x9/0x20 [ 322.543438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.548979] ? check_preemption_disabled+0x48/0x280 [ 322.554009] irq_exit+0x17f/0x1c0 [ 322.557482] smp_apic_timer_interrupt+0x1cb/0x760 [ 322.562326] ? smp_reschedule_interrupt+0x109/0x650 [ 322.567348] ? smp_call_function_single_interrupt+0x650/0x650 [ 322.573242] ? interrupt_entry+0xb5/0xc0 [ 322.577310] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.582333] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.587365] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.592213] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.597235] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.602258] ? task_prio+0x50/0x50 [ 322.605805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.611345] ? check_preemption_disabled+0x48/0x280 [ 322.616372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.621241] apic_timer_interrupt+0xf/0x20 [ 322.625477] [ 322.627723] RIP: 0010:console_unlock+0xffa/0x1160 [ 322.632579] Code: 70 f4 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 3a 48 83 3d 56 dc ed 07 00 74 29 e8 af 09 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 cf f8 ff ff e8 67 e2 5c 00 e9 86 f1 ff ff e8 8d [ 322.651487] RSP: 0018:ffff8801d7f55498 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 322.659201] RAX: ffff8801d7950180 RBX: 0000000000000200 RCX: 1ffff1003af2a14e [ 322.666472] RDX: 0000000000000000 RSI: ffffffff81641821 RDI: 0000000000000293 [ 322.673744] RBP: ffff8801d7f55608 R08: ffff8801d7950a70 R09: 0000000000000006 [ 322.681056] R10: 0000000000000000 R11: ffff8801d7950180 R12: dffffc0000000000 [ 322.688331] R13: ffffffff848a96d0 R14: dffffc0000000000 R15: ffffffff89b46bf0 [ 322.695614] ? netconsole_netdev_event+0x280/0x280 [ 322.700561] ? console_unlock+0xff1/0x1160 [ 322.704827] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 322.709505] ? lock_release+0xa00/0xa00 [ 322.713524] ? interrupt_entry+0xc0/0xc0 [ 322.717614] vprintk_emit+0x33d/0x930 [ 322.721425] ? wake_up_klogd+0x180/0x180 [ 322.725495] ? attach_entity_load_avg+0x810/0x860 [ 322.730355] ? __lock_acquire+0x600/0x4c20 [ 322.734597] ? mark_held_locks+0x130/0x130 [ 322.738847] ? print_usage_bug+0xc0/0xc0 [ 322.742942] ? find_held_lock+0x36/0x1c0 [ 322.747018] ? mark_held_locks+0xc7/0x130 [ 322.751191] vprintk_default+0x28/0x30 [ 322.755089] vprintk_func+0x7e/0x181 [ 322.758813] printk+0xa7/0xcf [ 322.761930] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 322.766716] show_free_areas.cold.118+0x1f34/0x215d [ 322.771757] ? si_meminfo_node+0x260/0x260 [ 322.776006] ? __lock_acquire+0x62f/0x4c20 [ 322.780257] ? __lock_acquire+0x62f/0x4c20 [ 322.784495] ? __lock_is_held+0xb5/0x140 [ 322.788601] ? mark_held_locks+0x130/0x130 [ 322.792843] ? zap_class+0x640/0x640 [ 322.796602] ? put_dec+0x3b/0xf0 [ 322.799990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.805557] ? find_held_lock+0x36/0x1c0 [ 322.809642] ? serial8250_console_write+0x8b3/0xb10 [ 322.814674] ? lock_downgrade+0x900/0x900 [ 322.818828] ? zap_class+0x640/0x640 [ 322.822562] ? zap_class+0x640/0x640 [ 322.826284] ? print_usage_bug+0xc0/0xc0 [ 322.830347] ? do_raw_spin_unlock+0xa7/0x330 [ 322.834762] ? trace_hardirqs_on+0x310/0x310 [ 322.839175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.844726] ? find_held_lock+0x36/0x1c0 [ 322.848809] ? mark_held_locks+0xc7/0x130 [ 322.852965] ? console_unlock+0xfcd/0x1160 [ 322.857209] ? netconsole_netdev_event+0x280/0x280 [ 322.862144] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 322.866732] ? trace_hardirqs_on+0xbd/0x310 [ 322.871110] ? vprintk_emit+0x33d/0x930 [ 322.875095] ? trace_hardirqs_off_caller+0x310/0x310 [ 322.880205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.885758] ? netconsole_netdev_event+0x280/0x280 [ 322.890696] ? console_unlock+0x8d8/0x1160 [ 322.894960] ? kmsg_dump_get_buffer+0xac0/0xac0 [ 322.899634] ? vprintk_emit+0x7f7/0x930 [ 322.903639] ? lock_release+0xa00/0xa00 [ 322.907643] ? preempt_count_add+0xbc/0x1b0 [ 322.911980] ? wake_up_klogd+0x11a/0x180 [ 322.916048] ? console_device+0xc0/0xc0 [ 322.920054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.925608] ? vprintk_emit+0x268/0x930 [ 322.929611] ? wake_up_klogd+0x180/0x180 [ 322.933675] ? trace_hardirqs_on_caller+0xc0/0x310 [ 322.938617] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 322.943383] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.948840] ? retint_kernel+0x1b/0x2d [ 322.952736] ? trace_hardirqs_on+0x310/0x310 [ 322.957163] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 322.961947] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 322.966714] ? show_mem+0x1e/0x17b [ 322.970262] show_mem+0x34/0x17b [ 322.973653] dump_header+0x2f1/0xf72 [ 322.977378] ? mark_held_locks+0x130/0x130 [ 322.981618] ? pagefault_out_of_memory+0x197/0x197 [ 322.986580] ? __lock_acquire+0x62f/0x4c20 [ 322.990819] ? zap_class+0x640/0x640 [ 322.994543] ? percpu_ref_get_many+0x240/0x240 [ 322.999137] ? print_usage_bug+0xc0/0xc0 [ 323.003206] ? print_usage_bug+0xc0/0xc0 [ 323.007275] ? zap_class+0x640/0x640 [ 323.010995] ? print_usage_bug+0xc0/0xc0 [ 323.015077] ? print_usage_bug+0xc0/0xc0 [ 323.019156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.024705] ? find_held_lock+0x36/0x1c0 [ 323.028797] ? mark_held_locks+0xc7/0x130 [ 323.032951] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 323.038065] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 323.043176] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 323.047765] ? trace_hardirqs_on+0xbd/0x310 [ 323.052092] ? kasan_check_read+0x11/0x20 [ 323.056244] ? ___ratelimit+0x3b4/0x672 [ 323.060224] ? trace_hardirqs_off_caller+0x310/0x310 [ 323.065334] ? trace_hardirqs_on+0x310/0x310 [ 323.069767] ? lock_downgrade+0x900/0x900 [ 323.073934] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 323.079052] ? ___ratelimit+0x3b9/0x672 [ 323.083045] ? idr_get_free+0xec0/0xec0 [ 323.087031] ? kasan_check_read+0x11/0x20 [ 323.091182] ? do_raw_spin_unlock+0xa7/0x330 [ 323.095606] oom_kill_process.cold.27+0x10/0x903 [ 323.100364] ? zap_class+0x640/0x640 [ 323.104096] ? _raw_spin_unlock+0x2c/0x50 [ 323.108246] ? oom_badness+0xe6/0xaa0 [ 323.112113] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 323.117053] ? kasan_check_read+0x11/0x20 [ 323.121217] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 323.126499] ? oom_evaluate_task+0x540/0x540 [ 323.130927] ? find_held_lock+0x36/0x1c0 [ 323.134998] ? out_of_memory+0x974/0x1430 [ 323.139160] ? lock_downgrade+0x900/0x900 [ 323.143316] ? check_preemption_disabled+0x48/0x280 [ 323.148343] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 323.153275] ? kasan_check_read+0x11/0x20 [ 323.157465] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 323.162771] ? rcu_softirq_qs+0x20/0x20 [ 323.166770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.172312] ? oom_evaluate_task+0x302/0x540 [ 323.176734] out_of_memory+0xa84/0x1430 [ 323.180729] ? oom_killer_disable+0x3a0/0x3a0 [ 323.185244] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 323.190183] ? __mutex_add_waiter+0x2a0/0x2a0 [ 323.194696] __alloc_pages_slowpath+0x22d4/0x2d70 [ 323.199617] ? warn_alloc+0x120/0x120 [ 323.203420] ? rcu_softirq_qs+0x20/0x20 [ 323.207439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.213084] ? should_fail+0x22d/0xd01 [ 323.216979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.222089] ? zap_class+0x640/0x640 [ 323.225835] ? __lock_is_held+0xb5/0x140 [ 323.229919] ? mark_held_locks+0x130/0x130 [ 323.234166] ? lock_release+0xa00/0xa00 [ 323.238147] ? perf_trace_sched_process_exec+0x860/0x860 [ 323.243627] ? __might_sleep+0x95/0x190 [ 323.247611] __alloc_pages_nodemask+0xa80/0xde0 [ 323.252303] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 323.257325] ? __page_cache_alloc+0x191/0x5c0 [ 323.261826] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 323.266758] ? kasan_check_read+0x11/0x20 [ 323.270911] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 323.276198] ? zap_class+0x640/0x640 [ 323.279941] ? zap_class+0x640/0x640 [ 323.283668] ? zap_class+0x640/0x640 [ 323.287390] ? __do_page_cache_readahead+0x7ce/0x980 [ 323.292517] ? find_held_lock+0x36/0x1c0 [ 323.296593] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 323.302140] alloc_pages_current+0x173/0x350 [ 323.306566] __page_cache_alloc+0x38c/0x5c0 [ 323.310894] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 323.315827] ? kasan_check_read+0x11/0x20 [ 323.319983] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 323.325266] ? generic_perform_write+0x6a0/0x6a0 [ 323.330041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.335590] ? check_preemption_disabled+0x48/0x280 [ 323.340621] filemap_fault+0x1594/0x25f0 [ 323.344702] ? __lock_page_or_retry+0xa00/0xa00 [ 323.349381] ? mark_held_locks+0x130/0x130 [ 323.353625] ? rcu_softirq_qs+0x20/0x20 [ 323.357620] ? filemap_map_pages+0xe04/0x1990 [ 323.362150] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 323.367092] ? futex_wait_setup+0x15c/0x3e0 [ 323.371444] ? zap_class+0x640/0x640 [ 323.375175] ? lock_acquire+0x1ed/0x520 [ 323.379159] ? alloc_set_pte+0x1447/0x1f40 [ 323.383424] ? lock_acquire+0x1ed/0x520 [ 323.387400] ? ext4_filemap_fault+0x7a/0xad [ 323.391734] ? lock_release+0xa00/0xa00 [ 323.395710] ? perf_trace_sched_process_exec+0x860/0x860 [ 323.401169] ? print_usage_bug+0xc0/0xc0 [ 323.405236] ? print_usage_bug+0xc0/0xc0 [ 323.409317] ? down_read+0x8d/0x120 [ 323.412949] ? ext4_filemap_fault+0x7a/0xad [ 323.417274] ? __down_interruptible+0x700/0x700 [ 323.421962] ext4_filemap_fault+0x82/0xad [ 323.426116] __do_fault+0x100/0x6b0 [ 323.429759] ? unlock_page+0x2c2/0x4c0 [ 323.433651] ? pmd_devmap_trans_unstable+0x220/0x220 [ 323.438761] ? mark_held_locks+0x130/0x130 [ 323.443001] ? mark_held_locks+0x130/0x130 [ 323.447263] ? do_raw_spin_trylock+0x270/0x270 [ 323.451859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.457638] __handle_mm_fault+0x307c/0x5920 [ 323.462067] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 323.466924] ? kasan_check_read+0x11/0x20 [ 323.471081] ? _copy_to_user+0xc8/0x110 [ 323.475077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.480666] ? zap_class+0x640/0x640 [ 323.484385] ? zap_class+0x640/0x640 [ 323.488112] ? find_held_lock+0x36/0x1c0 [ 323.492192] ? handle_mm_fault+0x42a/0xc70 [ 323.496436] ? lock_downgrade+0x900/0x900 [ 323.500592] ? check_preemption_disabled+0x48/0x280 [ 323.505623] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 323.510566] ? kasan_check_read+0x11/0x20 [ 323.514721] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 323.520008] ? rcu_softirq_qs+0x20/0x20 [ 323.523999] ? trace_hardirqs_off_caller+0x310/0x310 [ 323.529116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.534670] ? check_preemption_disabled+0x48/0x280 [ 323.539698] handle_mm_fault+0x54f/0xc70 [ 323.543782] ? __handle_mm_fault+0x5920/0x5920 [ 323.548391] ? find_vma+0x34/0x190 [ 323.551945] __do_page_fault+0x5e8/0xe60 [ 323.556042] ? trace_hardirqs_off+0xb8/0x310 [ 323.560487] ? __ia32_sys_read+0xb0/0xb0 [ 323.565050] do_page_fault+0xf2/0x7e0 [ 323.568861] ? vmalloc_sync_all+0x30/0x30 [ 323.573017] ? error_entry+0x70/0xd0 [ 323.576749] ? trace_hardirqs_off_caller+0xbb/0x310 [ 323.581768] ? trace_hardirqs_on_caller+0xc0/0x310 [ 323.586727] ? syscall_return_slowpath+0x5e0/0x5e0 [ 323.591697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.596554] ? trace_hardirqs_on_caller+0x310/0x310 [ 323.601592] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.607061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.612614] ? prepare_exit_to_usermode+0x291/0x3b0 [ 323.617650] ? page_fault+0x8/0x30 [ 323.621199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.626059] ? page_fault+0x8/0x30 [ 323.629620] page_fault+0x1e/0x30 [ 323.633080] RIP: 0033:0x4727a0 [ 323.636292] Code: Bad RIP value. [ 323.639658] RSP: 002b:000000c420022740 EFLAGS: 00010202 [ 323.645044] RAX: 00000000004727a0 RBX: 000000c420089500 RCX: 000000c420000900 [ 323.652319] RDX: 000000000091d810 RSI: 0000000000459df0 RDI: 00000000004573a0 [ 323.659590] RBP: 000000c420022778 R08: 000000c420000900 R09: 00007fff9f35e080 [ 323.666859] R10: 000000000000a1c0 R11: 00000000000000d7 R12: 0000000000000001 [ 323.674128] R13: 000000c425e268a0 R14: 0000000000000001 R15: 0000000000000000 [ 323.681422] warn_alloc_show_mem: 1 callbacks suppressed [ 323.681435] CPU: 0 PID: 7182 Comm: syz-executor5 Not tainted 4.19.0+ #135 [ 323.681437] Mem-Info: [ 323.681470] active_anon:48509 inactive_anon:132 isolated_anon:0 [ 323.681470] active_file:12 inactive_file:13 isolated_file:0 [ 323.681470] unevictable:0 dirty:0 writeback:0 unstable:0 [ 323.681470] slab_reclaimable:8694 slab_unreclaimable:1474203 [ 323.681470] mapped:49154 shmem:138 pagetables:628 bounce:0 [ 323.681470] free:13771 free_pcp:124 free_cma:0 [ 323.686817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.693756] Node 0 active_anon:194036kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 180224kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 323.696170] Call Trace: [ 323.729058] Node 0 [ 323.738407] [ 323.765823] 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 [ 323.765826] lowmem_reserve[]: 0 2818 6321 6321 [ 323.765840] Node 0 DMA32 free:25200kB min:30052kB low:37564kB high:45076kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 323.765859] lowmem_reserve[]: 0 0 3503 3503 [ 323.765871] Node 0 Normal free:13976kB min:37364kB low:46704kB high:56044kB active_anon:189940kB inactive_anon:528kB active_file:48kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5152kB pagetables:2512kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 323.765890] lowmem_reserve[]: 0 0 0 0 [ 323.765902] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 323.765973] Node 0 DMA32: 4*4kB (M) 0*8kB 2*16kB (M) 2*32kB (UM) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) [ 323.770348] dump_stack+0x244/0x39d [ 323.772574] 3*1024kB [ 323.774722] ? dump_stack_print_info.cold.1+0x20/0x20 [ 323.800199] (UM) 3*2048kB [ 323.807192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.834768] (UM) [ 323.839108] warn_alloc.cold.117+0xb7/0x1bd [ 323.867799] 3*4096kB [ 323.871603] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.885104] (M) [ 323.895595] ? lock_downgrade+0x900/0x900 [ 323.899204] = 25200kB [ 323.901644] ? trace_hardirqs_off+0xb8/0x310 [ 323.906812] Node 0 [ 323.909658] ? trace_hardirqs_off+0xb8/0x310 [ 323.915172] Normal: [ 323.917238] __alloc_pages_slowpath+0x2660/0x2d70 [ 323.921622] 786*4kB [ 323.924071] ? warn_alloc+0x120/0x120 [ 323.928862] (MEH) [ 323.930843] ? warn_alloc+0x120/0x120 [ 323.934970] 440*8kB [ 323.937383] ? print_usage_bug+0xc0/0xc0 [ 323.941771] (UMEH) [ 323.944006] ? warn_alloc+0x120/0x120 [ 323.948407] 141*16kB [ 323.950731] ? print_usage_bug+0xc0/0xc0 [ 323.955569] (MEH) [ 323.957902] ? __lock_acquire+0x62f/0x4c20 [ 323.961683] 54*32kB [ 323.963848] ? __lock_acquire+0x62f/0x4c20 [ 323.967629] (MEH) [ 323.969961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.973994] 14*64kB (UME) [ 323.976250] ? should_fail+0x22d/0xd01 [ 323.980040] 1*128kB [ 323.982461] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 323.986497] (H) [ 323.988654] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.992880] 1*256kB [ 323.995200] ? __lock_acquire+0x62f/0x4c20 [ 323.999416] (H) [ 324.001572] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.007107] 2*512kB [ 324.009950] ? __lock_acquire+0x62f/0x4c20 [ 324.013820] (H) [ 324.016142] ? should_fail+0x22d/0xd01 [ 324.021429] 1*1024kB [ 324.023419] ? rcu_irq_exit+0x1a2/0x390 [ 324.028508] (U) [ 324.030837] ? mark_held_locks+0x130/0x130 [ 324.035065] 0*2048kB [ 324.037079] ? mark_held_locks+0x130/0x130 [ 324.042161] 0*4096kB [ 324.044483] ? mark_held_locks+0xc7/0x130 [ 324.048696] = 13976kB [ 324.050700] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 324.054591] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 324.056993] ? zap_class+0x640/0x640 [ 324.060956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 324.062924] ? print_usage_bug+0xc0/0xc0 [ 324.067140] 163 total pagecache pages [ 324.069555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.073782] 0 pages in swap cache [ 324.076186] ? check_preemption_disabled+0x48/0x280 [ 324.080318] Swap cache stats: add 0, delete 0, find 0/0 [ 324.082729] ? __lock_is_held+0xb5/0x140 [ 324.087727] Free swap = 0kB [ 324.096601] __alloc_pages_nodemask+0xa80/0xde0 [ 324.100292] Total swap = 0kB [ 324.108862] ? zap_class+0x640/0x640 [ 324.112903] 1965979 pages RAM [ 324.116702] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 324.122217] 0 pages HighMem/MovableOnly [ 324.122227] 342867 pages reserved [ 324.125688] ? find_held_lock+0x36/0x1c0 [ 324.130712] 0 pages cma reserved [ 324.136087] ? ____cache_alloc_node+0x1c7/0x1e0 [ 324.140211] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 324.143169] ? lock_downgrade+0x900/0x900 [ 324.147944] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 324.150868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.154575] syz-fuzzer cpuset= [ 324.157683] cache_grow_begin+0xa5/0x8c0 [ 324.162679] / [ 324.166650] ? do_raw_spin_unlock+0xa7/0x330 [ 324.170088] mems_allowed=0 [ 324.174149] fallback_alloc+0x204/0x2e0 [ 324.228694] ____cache_alloc_node+0x1c7/0x1e0 [ 324.233203] kmem_cache_alloc_node+0xe3/0x730 [ 324.237710] ? ipv6_get_ifaddr+0x42e/0x620 [ 324.241961] __alloc_skb+0x119/0x770 [ 324.245682] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.250968] ? netdev_alloc_frag+0x1f0/0x1f0 [ 324.255384] ? lock_downgrade+0x900/0x900 [ 324.259544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.265089] ? refcount_sub_and_test_checked+0x203/0x310 [ 324.270556] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 324.276014] ? addrconf_rs_timer+0x690/0x690 [ 324.280459] ndisc_alloc_skb+0x144/0x340 [ 324.284530] ndisc_send_rs+0x331/0x6e0 [ 324.288436] addrconf_rs_timer+0x314/0x690 [ 324.292684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.296938] call_timer_fn+0x272/0x920 [ 324.300832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.305081] ? process_timeout+0x40/0x40 [ 324.309157] ? __run_timers+0x7da/0xc70 [ 324.313142] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.317641] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.322139] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.326378] ? lockdep_hardirqs_on+0x296/0x5b0 [ 324.330969] ? trace_hardirqs_on+0xbd/0x310 [ 324.335295] ? kasan_check_read+0x11/0x20 [ 324.339452] ? __run_timers+0x7da/0xc70 [ 324.343436] ? trace_hardirqs_off_caller+0x310/0x310 [ 324.348547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.352790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.357038] __run_timers+0x7e5/0xc70 [ 324.360868] ? timer_fixup_init+0x70/0x70 [ 324.365035] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 324.370075] ? zap_class+0x640/0x640 [ 324.373796] ? enqueue_hrtimer+0x1a5/0x560 [ 324.378056] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 324.383259] ? find_held_lock+0x36/0x1c0 [ 324.387332] ? zap_class+0x640/0x640 [ 324.391069] ? pvclock_read_flags+0x160/0x160 [ 324.395600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.401145] ? check_preemption_disabled+0x48/0x280 [ 324.406179] ? __lock_is_held+0xb5/0x140 [ 324.410253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.415797] ? check_preemption_disabled+0x48/0x280 [ 324.420827] run_timer_softirq+0x52/0xb0 [ 324.424921] ? rcu_read_lock_sched_held+0x14f/0x180 [ 324.429942] __do_softirq+0x308/0xb7e [ 324.433757] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 324.438259] ? lock_downgrade+0x900/0x900 [ 324.442416] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 324.447530] ? pvclock_read_flags+0x160/0x160 [ 324.452075] ? lapic_next_event+0x5a/0x90 [ 324.456234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.461783] ? kvm_clock_read+0x18/0x30 [ 324.465999] ? kvm_sched_clock_read+0x9/0x20 [ 324.470427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.476285] ? check_preemption_disabled+0x48/0x280 [ 324.481319] irq_exit+0x17f/0x1c0 [ 324.484785] smp_apic_timer_interrupt+0x1cb/0x760 [ 324.489636] ? smp_reschedule_interrupt+0x109/0x650 [ 324.494689] ? smp_call_function_single_interrupt+0x650/0x650 [ 324.500590] ? interrupt_entry+0xb5/0xc0 [ 324.504662] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.509685] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.514727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.519610] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.524666] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.529708] ? task_prio+0x50/0x50 [ 324.533263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.538842] ? check_preemption_disabled+0x48/0x280 [ 324.543886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.548787] apic_timer_interrupt+0xf/0x20 [ 324.553017] [ 324.555284] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 324.561187] Code: 41 7e 0f 85 32 ff ff ff e8 f3 c4 3f ff e9 28 ff ff ff e8 4a 8f c3 ff 48 83 3d a2 3d 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 1a 90 [ 324.580105] RSP: 0000:ffff8801be8174a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 324.587843] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 324.595114] RDX: 0000000000000000 RSI: ffff880197c14b80 RDI: 0000000000000286 [ 324.602401] RBP: ffff8801be817518 R08: ffff880197c14300 R09: 0000000000000000 [ 324.609670] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800940 [ 324.616938] R13: ffff8801da800940 R14: 0000000000000000 R15: 0000000000000286 [ 324.624243] ? save_stack+0xa9/0xd0 [ 324.627883] __kmalloc_node_track_caller+0x33/0x70 [ 324.632827] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 324.637600] pskb_expand_head+0x230/0x10f0 [ 324.641847] ? memcpy+0x45/0x50 [ 324.645130] ? __copy_skb_header+0x350/0x6b0 [ 324.649559] ? skb_release_data+0x880/0x880 [ 324.653883] ? __alloc_skb+0x770/0x770 [ 324.657785] ? __lock_is_held+0xb5/0x140 [ 324.661855] ? kasan_check_write+0x14/0x20 [ 324.666100] ? __skb_clone+0x6c7/0xa00 [ 324.669993] ? __copy_skb_header+0x6b0/0x6b0 [ 324.674454] ? kmem_cache_alloc+0x33a/0x730 [ 324.678792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.684341] skb_ensure_writable+0x3dd/0x640 [ 324.688764] ? skb_checksum_setup+0xaa0/0xaa0 [ 324.693261] ? check_preemption_disabled+0x48/0x280 [ 324.698291] ? __this_cpu_preempt_check+0x1c/0x20 [ 324.703147] ? __bpf_redirect+0x54b/0xb20 [ 324.707310] bpf_clone_redirect+0x14a/0x490 [ 324.711647] bpf_prog_bebbfe2050753572+0xe21/0x1000 [ 324.716666] ? __sched_text_start+0x8/0x8 [ 324.720819] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 324.725584] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 324.730173] ? retint_kernel+0x2d/0x2d [ 324.734083] ? find_held_lock+0x36/0x1c0 [ 324.738165] ? lock_acquire+0x1ed/0x520 [ 324.742155] ? bpf_test_run+0x3cb/0x780 [ 324.746134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.751673] ? check_preemption_disabled+0x48/0x280 [ 324.756713] ? kasan_check_read+0x11/0x20 [ 324.761532] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 324.766834] ? rcu_softirq_qs+0x20/0x20 [ 324.770830] ? preempt_schedule+0x4d/0x60 [ 324.774988] ? ___preempt_schedule+0x16/0x18 [ 324.779443] ? bpf_test_run+0x25d/0x780 [ 324.783440] ? netlink_diag_dump+0x2a0/0x2a0 [ 324.787855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.793394] ? bpf_test_init.isra.10+0x70/0x100 [ 324.798080] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 324.802848] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 324.807731] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 324.813279] ? fput+0x130/0x1a0 [ 324.816578] ? __bpf_prog_get+0x9b/0x290 [ 324.820644] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 324.825491] ? bpf_prog_test_run+0x130/0x1a0 [ 324.829927] ? __x64_sys_bpf+0x3d8/0x520 [ 324.833987] ? bpf_prog_get+0x20/0x20 [ 324.837809] ? do_syscall_64+0x1b9/0x820 [ 324.841874] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 324.847243] ? syscall_return_slowpath+0x5e0/0x5e0 [ 324.852182] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.857202] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 324.862226] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 324.868900] ? __switch_to_asm+0x40/0x70 [ 324.872959] ? __switch_to_asm+0x34/0x70 [ 324.877061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.881928] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 324.887313] CPU: 1 PID: 5481 Comm: syz-fuzzer Not tainted 4.19.0+ #135