] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.269182] ? rcu_pm_notify+0xc0/0xc0 [ 220.273078] ? graph_lock+0x170/0x170 [ 220.276889] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 220.282106] ip6_finish_output2+0xa59/0x27a0 [ 220.286542] ? ip6_copy_metadata+0xe30/0xe30 [ 220.290963] ? ip6_mtu+0x39c/0x520 [ 220.294516] ? lock_downgrade+0x900/0x900 [ 220.298670] ? check_preemption_disabled+0x48/0x200 [ 220.303695] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 220.309944] ? kasan_check_read+0x11/0x20 [ 220.314095] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.319380] ? rcu_bh_qs+0xc0/0xc0 [ 220.322930] ? ip6_mtu+0x160/0x520 [ 220.326469] ? dst_hold+0x2f0/0x2f0 [ 220.330096] ? kasan_check_read+0x11/0x20 [ 220.334241] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.339520] ? nf_nat_ipv6_out+0x212/0x550 [ 220.343760] ip6_finish_output+0x5fe/0xbc0 [ 220.348017] ? ip6_finish_output+0x5fe/0xbc0 [ 220.352429] ip6_output+0x23e/0xa00 [ 220.356062] ? check_preemption_disabled+0x48/0x200 [ 220.361080] ? ip6_finish_output+0xbc0/0xbc0 [ 220.365489] ? ip6_fragment+0x38c0/0x38c0 [ 220.369637] ? __lock_is_held+0xb5/0x140 [ 220.373718] ndisc_send_skb+0x1005/0x1570 [ 220.377879] ? ndisc_constructor+0xc40/0xc40 [ 220.382306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.387848] ? refcount_sub_and_test_checked+0x203/0x310 [ 220.393318] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 220.398783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.404325] ndisc_send_rs+0x134/0x6e0 [ 220.408730] addrconf_rs_timer+0x3c0/0x6f0 [ 220.412968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.417212] call_timer_fn+0x272/0x920 [ 220.421099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.425347] ? process_timeout+0x40/0x40 [ 220.429410] ? find_held_lock+0x36/0x1c0 [ 220.433479] ? mark_held_locks+0xc7/0x130 [ 220.437629] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.442135] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.446640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.450870] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 220.455455] ? trace_hardirqs_on+0xbd/0x310 [ 220.459775] ? kasan_check_read+0x11/0x20 [ 220.463949] ? __run_timers+0x7da/0xc70 [ 220.467924] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.473408] ? prandom_seed_full_state+0x3b0/0x3b0 [ 220.478352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.482598] __run_timers+0x7e5/0xc70 [ 220.486413] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 220.491779] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 220.496797] ? graph_lock+0x170/0x170 [ 220.500610] ? print_usage_bug+0xc0/0xc0 [ 220.504698] ? lock_release+0x970/0x970 [ 220.509171] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 220.514375] ? find_held_lock+0x36/0x1c0 [ 220.518448] ? graph_lock+0x170/0x170 [ 220.522258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.527801] ? check_preemption_disabled+0x48/0x200 [ 220.532831] ? __lock_is_held+0xb5/0x140 [ 220.536901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.542445] ? check_preemption_disabled+0x48/0x200 [ 220.547472] run_timer_softirq+0x52/0xb0 [ 220.551552] ? rcu_read_lock_sched_held+0x108/0x120 [ 220.556583] __do_softirq+0x30b/0xad8 [ 220.560401] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 220.565518] ? pvclock_read_flags+0x160/0x160 [ 220.570015] ? lapic_next_event+0x5a/0x90 [ 220.574197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.579735] ? check_preemption_disabled+0x48/0x200 [ 220.584751] ? check_preemption_disabled+0x48/0x200 [ 220.589806] ? kvm_clock_read+0x18/0x30 [ 220.593782] ? kvm_sched_clock_read+0x9/0x20 [ 220.598195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.603745] ? check_preemption_disabled+0x48/0x200 [ 220.609361] irq_exit+0x17f/0x1c0 [ 220.612826] smp_apic_timer_interrupt+0x1cb/0x760 [ 220.617671] ? smp_reschedule_interrupt+0x109/0x650 [ 220.622708] ? smp_call_function_single_interrupt+0x650/0x650 [ 220.628598] ? interrupt_entry+0xb5/0xf0 [ 220.632675] ? trace_hardirqs_off_caller+0xbb/0x300 [ 220.637699] ? trace_hardirqs_off_caller+0xbb/0x300 [ 220.642723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.647567] ? trace_hardirqs_off+0x300/0x300 [ 220.652066] ? trace_hardirqs_off+0x300/0x300 [ 220.656565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.662118] ? check_preemption_disabled+0x48/0x200 [ 220.667161] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.672018] apic_timer_interrupt+0xf/0x20 [ 220.676246] [ 220.678497] RIP: 0010:console_unlock+0x1017/0x11a0 [ 220.683427] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 220.702344] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 220.710558] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 220.717838] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 220.725109] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 220.732386] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 220.739675] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 220.746984] ? netconsole_netdev_event+0x280/0x280 [ 220.751933] ? console_unlock+0x100e/0x11a0 [ 220.756296] ? devkmsg_read+0xbb0/0xbb0 [ 220.760273] ? vprintk_emit+0x7f7/0x930 [ 220.764251] ? lock_release+0x970/0x970 [ 220.768235] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.773727] ? vprintk_default+0x28/0x30 [ 220.777792] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.783251] ? kasan_check_write+0x14/0x20 [ 220.787485] ? do_raw_spin_lock+0xc1/0x200 [ 220.791727] vprintk_emit+0x33d/0x930 [ 220.795535] ? wake_up_klogd+0x180/0x180 [ 220.799611] ? find_held_lock+0x36/0x1c0 [ 220.803690] ? mark_held_locks+0xc7/0x130 [ 220.808302] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.812828] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.817334] vprintk_default+0x28/0x30 [ 220.821226] vprintk_func+0x7e/0x181 [ 220.824945] printk+0xa7/0xcf [ 220.828053] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 220.832813] ? _raw_spin_unlock_irq+0x60/0x80 [ 220.837318] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 220.842631] dump_header+0x7cc/0xf72 [ 220.846376] ? pagefault_out_of_memory+0x197/0x197 [ 220.851349] ? __lock_acquire+0x7ec/0x4ec0 [ 220.855600] ? print_usage_bug+0xc0/0xc0 [ 220.859668] ? graph_lock+0x170/0x170 [ 220.863464] ? graph_lock+0x170/0x170 [ 220.867286] ? print_usage_bug+0xc0/0xc0 [ 220.871352] ? print_usage_bug+0xc0/0xc0 [ 220.875423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.880966] ? find_held_lock+0x36/0x1c0 [ 220.885039] ? mark_held_locks+0xc7/0x130 [ 220.889193] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 220.894325] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 220.899431] ? lockdep_hardirqs_on+0x421/0x5c0 [ 220.904038] ? trace_hardirqs_on+0xbd/0x310 [ 220.908823] ? kasan_check_read+0x11/0x20 [ 220.912988] ? ___ratelimit+0x36f/0x655 [ 220.916966] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.922420] ? trace_hardirqs_on+0x310/0x310 [ 220.926845] ? lock_downgrade+0x900/0x900 [ 220.931004] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 220.936112] ? ___ratelimit+0xaa/0x655 [ 220.940004] ? idr_get_free+0xec0/0xec0 [ 220.943982] ? kasan_check_write+0x14/0x20 [ 220.948218] ? do_raw_spin_lock+0xc1/0x200 [ 220.952463] oom_kill_process.cold.27+0x10/0x903 [ 220.957225] ? graph_lock+0x170/0x170 [ 220.961026] ? _raw_spin_unlock+0x2c/0x50 [ 220.965181] ? oom_badness+0xe6/0xaa0 [ 220.968994] ? oom_evaluate_task+0x540/0x540 [ 220.973408] ? find_held_lock+0x36/0x1c0 [ 220.977481] ? out_of_memory+0x974/0x14c0 [ 220.981639] ? lock_downgrade+0x900/0x900 [ 220.985792] ? check_preemption_disabled+0x48/0x200 [ 220.990822] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 220.997082] ? kasan_check_read+0x11/0x20 [ 221.001240] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.006523] ? rcu_bh_qs+0xc0/0xc0 [ 221.010292] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 221.015849] ? oom_evaluate_task+0x302/0x540 [ 221.020269] out_of_memory+0xa86/0x14c0 [ 221.024258] ? oom_killer_disable+0x3a0/0x3a0 [ 221.028757] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 221.033697] ? __mutex_add_waiter+0x2a0/0x2a0 [ 221.038209] __alloc_pages_slowpath+0x2318/0x2d80 [ 221.043084] ? warn_alloc+0x120/0x120 [ 221.046911] ? __radix_tree_lookup+0x4c0/0x4c0 [ 221.051507] ? find_get_entry+0x2f2/0xc40 [ 221.055686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.061234] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 221.066166] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.071706] ? should_fail+0x22d/0xd01 [ 221.075602] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.080707] ? __lock_is_held+0xb5/0x140 [ 221.084794] ? __lock_is_held+0xb5/0x140 [ 221.088866] ? find_held_lock+0x36/0x1c0 [ 221.092938] ? ___might_sleep+0x1ed/0x300 [ 221.097084] ? lock_release+0x970/0x970 [ 221.101079] ? arch_local_save_flags+0x40/0x40 [ 221.106149] ? __might_sleep+0x95/0x190 [ 221.110640] __alloc_pages_nodemask+0xa80/0xde0 [ 221.115318] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 221.120339] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.126148] ? kasan_check_read+0x11/0x20 [ 221.130296] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.135579] ? graph_lock+0x170/0x170 [ 221.139385] ? print_usage_bug+0xc0/0xc0 [ 221.143449] ? graph_lock+0x170/0x170 [ 221.147259] ? graph_lock+0x170/0x170 [ 221.151057] ? __do_page_cache_readahead+0x7ce/0x980 [ 221.156180] ? find_held_lock+0x36/0x1c0 [ 221.160262] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 221.165805] alloc_pages_current+0x10c/0x210 [ 221.170212] ? lock_downgrade+0x900/0x900 [ 221.174370] __page_cache_alloc+0x38f/0x5b0 [ 221.178693] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.184496] ? kasan_check_read+0x11/0x20 [ 221.188644] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.193939] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 221.198622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.204166] ? check_preemption_disabled+0x48/0x200 [ 221.209719] filemap_fault+0x1594/0x25f0 [ 221.213791] ? __lock_page_or_retry+0xa00/0xa00 [ 221.218460] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.224259] ? kasan_check_read+0x11/0x20 [ 221.228413] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.233691] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 221.238821] ? rcu_bh_qs+0xc0/0xc0 [ 221.242361] ? trace_hardirqs_on+0xbd/0x310 [ 221.246691] ? kasan_check_read+0x11/0x20 [ 221.250840] ? __free_object+0x173/0x340 [ 221.254908] ? filemap_map_pages+0xdea/0x1980 [ 221.259423] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 221.264527] ? __free_object+0x173/0x340 [ 221.268608] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 221.273885] ? debug_object_free+0x325/0x690 [ 221.278303] ? find_get_pages_range_tag+0x1320/0x1320 [ 221.283499] ? graph_lock+0x170/0x170 [ 221.287314] ? kasan_check_read+0x11/0x20 [ 221.291465] ? debug_object_destroy+0x2b0/0x2b0 [ 221.296147] ? lock_acquire+0x1ed/0x520 [ 221.300122] ? ext4_filemap_fault+0x7a/0xad [ 221.304454] ? lock_release+0x970/0x970 [ 221.308903] ? arch_local_save_flags+0x40/0x40 [ 221.313494] ? futex_wait_setup+0x3e0/0x3e0 [ 221.317829] ? down_read+0xb0/0x1d0 [ 221.321454] ? ext4_filemap_fault+0x7a/0xad [ 221.325790] ? __down_interruptible+0x700/0x700 [ 221.330489] ext4_filemap_fault+0x82/0xad [ 221.334650] __do_fault+0x100/0x6b0 [ 221.338297] ? print_bad_pte+0x6c0/0x6c0 [ 221.342360] ? do_futex+0x249/0x26d0 [ 221.346088] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.351544] ? kasan_check_read+0x11/0x20 [ 221.355703] ? pmd_val+0x88/0x100 [ 221.359160] ? add_mm_counter_fast+0xd0/0xd0 [ 221.363568] ? pmd_val+0x88/0x100 [ 221.367029] ? add_mm_counter_fast+0xd0/0xd0 [ 221.371441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.376984] __handle_mm_fault+0x3709/0x53e0 [ 221.381411] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 221.386275] ? graph_lock+0x170/0x170 [ 221.390086] ? print_usage_bug+0xc0/0xc0 [ 221.394146] ? lockdep_hardirqs_on+0x421/0x5c0 [ 221.398730] ? graph_lock+0x170/0x170 [ 221.402532] ? graph_lock+0x170/0x170 [ 221.406369] ? handle_mm_fault+0x42a/0xc70 [ 221.411086] ? lock_downgrade+0x900/0x900 [ 221.415250] ? check_preemption_disabled+0x48/0x200 [ 221.420276] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.426076] ? kasan_check_read+0x11/0x20 [ 221.430224] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.435500] ? rcu_bh_qs+0xc0/0xc0 [ 221.439050] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.444516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.450056] ? check_preemption_disabled+0x48/0x200 [ 221.455083] handle_mm_fault+0x54f/0xc70 [ 221.459166] ? __handle_mm_fault+0x53e0/0x53e0 [ 221.463753] ? find_vma+0x34/0x190 [ 221.467299] __do_page_fault+0x67d/0xed0 [ 221.471374] ? mm_fault_error+0x380/0x380 [ 221.475537] ? trace_hardirqs_off+0xb8/0x300 [ 221.479957] ? trace_hardirqs_on+0x310/0x310 [ 221.484373] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 221.489737] ? trace_hardirqs_on+0x310/0x310 [ 221.494153] do_page_fault+0xf2/0x7e0 [ 221.497959] ? vmalloc_sync_all+0x30/0x30 [ 221.502106] ? error_entry+0x70/0xd0 [ 221.505820] ? trace_hardirqs_off_caller+0xbb/0x300 [ 221.511335] ? trace_hardirqs_on_caller+0xc0/0x300 [ 221.516270] ? syscall_return_slowpath+0x5e0/0x5e0 [ 221.521203] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.526057] ? trace_hardirqs_off+0x300/0x300 [ 221.530565] ? trace_hardirqs_off_caller+0x300/0x300 [ 221.535684] ? prepare_exit_to_usermode+0x291/0x3b0 [ 221.540699] ? page_fault+0x8/0x30 [ 221.544242] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.549098] ? page_fault+0x8/0x30 [ 221.552641] page_fault+0x1e/0x30 [ 221.556110] RIP: 0033:0x45ddf3 [ 221.559319] Code: Bad RIP value. [ 221.562680] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 221.568062] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 221.575337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 221.582613] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 221.589881] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 221.597162] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 221.604462] warn_alloc_show_mem: 1 callbacks suppressed [ 221.604474] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 221.604476] Mem-Info: [ 221.604504] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 221.604504] active_file:16 inactive_file:19 isolated_file:0 [ 221.604504] unevictable:0 dirty:0 writeback:0 unstable:0 [ 221.604504] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 221.604504] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 221.604504] free:13708 free_pcp:124 free_cma:0 [ 221.609849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.609859] Call Trace: [ 221.617063] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 221.619460] [ 221.652342] Node 0 [ 221.661701] dump_stack+0x1c4/0x2b4 [ 221.664285] 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 [ 221.691936] ? dump_stack_print_info.cold.2+0x52/0x52 [ 221.694072] lowmem_reserve[]: [ 221.696312] warn_alloc.cold.118+0xb7/0x1bd [ 221.699905] 0 [ 221.725408] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 221.730581] 2817 [ 221.733685] ? lock_downgrade+0x900/0x900 [ 221.737982] 6321 [ 221.739786] ? trace_hardirqs_off+0xb8/0x300 [ 221.744603] 6321 [ 221.746663] ? trace_hardirqs_off+0xb8/0x300 [ 221.750788] Node 0 [ 221.752848] __alloc_pages_slowpath+0x2667/0x2d80 [ 221.757252] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 221.759311] ? warn_alloc+0x120/0x120 [ 221.763667] lowmem_reserve[]: 0 [ 221.765912] ? trace_hardirqs_on+0x310/0x310 [ 221.770745] 0 [ 221.797725] ? warn_alloc+0x120/0x120 [ 221.801501] 3503 3503 [ 221.804809] ? print_usage_bug+0xc0/0xc0 [ 221.809369] Node 0 [ 221.811170] ? warn_alloc+0x120/0x120 [ 221.814973] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 221.817441] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 221.821469] lowmem_reserve[]: 0 [ 221.823710] ? print_usage_bug+0xc0/0xc0 [ 221.827493] 0 [ 221.855700] ? __lock_acquire+0x7ec/0x4ec0 [ 221.860701] 0 [ 221.863999] ? __lock_acquire+0x7ec/0x4ec0 [ 221.868029] 0 [ 221.869854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.874061] Node 0 [ 221.875864] ? should_fail+0x22d/0xd01 [ 221.880075] DMA: [ 221.881884] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.887396] 1*4kB [ 221.889630] ? __lock_acquire+0x7ec/0x4ec0 [ 221.893493] (U) [ 221.895563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.900662] 0*8kB [ 221.902810] ? __lock_acquire+0x7ec/0x4ec0 [ 221.907404] 0*16kB 1*32kB [ 221.909410] ? should_fail+0x22d/0xd01 [ 221.914497] (U) [ 221.916670] ? print_usage_bug+0xc0/0xc0 [ 221.920872] 2*64kB (U) [ 221.923737] ? mark_held_locks+0x130/0x130 [ 221.927596] 1*128kB [ 221.929568] ? mark_held_locks+0x130/0x130 [ 221.933613] (U) [ 221.936214] ? graph_lock+0x170/0x170 [ 221.940425] 1*256kB [ 221.942747] ? print_usage_bug+0xc0/0xc0 [ 221.946953] (U) 0*512kB [ 221.948935] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 221.952713] 1*1024kB [ 221.955031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.959069] (U) [ 221.961741] ? check_preemption_disabled+0x48/0x200 [ 221.966470] 1*2048kB [ 221.968884] ? check_preemption_disabled+0x48/0x200 [ 221.974407] (M) [ 221.976384] ? __lock_is_held+0xb5/0x140 [ 221.981382] 3*4096kB (M) [ 221.983801] __alloc_pages_nodemask+0xa80/0xde0 [ 221.988790] = 15908kB [ 221.988798] Node 0 [ 221.990774] ? graph_lock+0x170/0x170 [ 221.994811] DMA32: [ 221.997568] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 222.002218] 3*4kB [ 222.004627] ? graph_lock+0x170/0x170 [ 222.006854] (UM) [ 222.010709] ? find_held_lock+0x36/0x1c0 [ 222.012919] 2*8kB [ 222.017938] ? ____cache_alloc_node+0x1c7/0x1e0 [ 222.020060] (M) [ 222.023881] ? lock_downgrade+0x900/0x900 [ 222.025919] 3*16kB [ 222.029980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.032105] (UM) [ 222.036772] cache_grow_begin+0x91/0x8c0 [ 222.038725] 3*32kB [ 222.042876] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.045083] (M) [ 222.050648] fallback_alloc+0x203/0x2e0 [ 222.052684] 3*64kB [ 222.056755] ____cache_alloc_node+0x1c7/0x1e0 [ 222.058966] (UM) [ 222.063393] kmem_cache_alloc_node+0xe3/0x730 [ 222.065360] 4*128kB [ 222.069344] ? ipv6_get_ifaddr+0x42e/0x620 [ 222.071584] (UM) [ 222.076088] __alloc_skb+0x119/0x770 [ 222.078127] 3*256kB [ 222.082627] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.084924] (M) [ 222.089158] ? skb_scrub_packet+0x490/0x490 [ 222.091196] 4*512kB [ 222.094905] ? lock_downgrade+0x900/0x900 [ 222.097206] (M) [ 222.102484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.104435] 3*1024kB [ 222.108762] ? refcount_sub_and_test_checked+0x203/0x310 [ 222.111061] (UM) [ 222.115219] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 222.117175] 1*2048kB [ 222.122705] ? addrconf_rs_timer+0x6f0/0x6f0 [ 222.125092] (M) [ 222.130545] ndisc_alloc_skb+0x144/0x340 [ 222.132572] 4*4096kB [ 222.138036] ndisc_send_rs+0x331/0x6e0 [ 222.140425] (M) [ 222.144827] addrconf_rs_timer+0x3c0/0x6f0 [ 222.146775] = 25196kB [ 222.146783] Node 0 [ 222.150838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.153226] Normal: [ 222.157113] call_timer_fn+0x272/0x920 [ 222.159063] 852*4kB [ 222.163293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.165683] (UMEH) [ 222.167918] ? process_timeout+0x40/0x40 [ 222.172123] 324*8kB (UMEH) [ 222.174449] ? find_held_lock+0x36/0x1c0 [ 222.178307] 169*16kB (UMEH) [ 222.180636] ? __run_timers+0x7da/0xc70 [ 222.184840] 81*32kB (UMEH) [ 222.187086] ? _raw_spin_unlock_irq+0x27/0x80 [ 222.191142] 31*64kB (UMH) [ 222.194088] ? _raw_spin_unlock_irq+0x27/0x80 [ 222.198129] 3*128kB [ 222.201140] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.205087] (H) [ 222.208011] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 222.212481] 1*256kB (H) [ 222.215332] ? trace_hardirqs_on+0xbd/0x310 [ 222.219797] 0*512kB 0*1024kB [ 222.222128] ? kasan_check_read+0x11/0x20 [ 222.226339] 0*2048kB [ 222.228312] ? __run_timers+0x7da/0xc70 [ 222.232879] 0*4096kB [ 222.235541] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.239845] = 13920kB [ 222.239858] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 222.242997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.247128] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 222.249541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.253491] 414 total pagecache pages [ 222.255914] __run_timers+0x7e5/0xc70 [ 222.261351] 0 pages in swap cache [ 222.263763] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 222.272579] Swap cache stats: add 0, delete 0, find 0/0 [ 222.276801] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 222.285345] Free swap = 0kB [ 222.285354] Total swap = 0kB [ 222.289607] ? graph_lock+0x170/0x170 [ 222.293388] 1965979 pages RAM [ 222.297181] ? enqueue_hrtimer+0x1a5/0x560 [ 222.300617] 0 pages HighMem/MovableOnly [ 222.305972] ? lock_release+0x970/0x970 [ 222.311517] 342744 pages reserved [ 222.311526] 0 pages cma reserved [ 222.316557] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 222.319791] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 222.322575] ? find_held_lock+0x36/0x1c0 [ 222.326507] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 222.329463] ? graph_lock+0x170/0x170 [ 222.333676] syz-fuzzer cpuset= [ 222.337652] ? pvclock_read_flags+0x160/0x160 [ 222.341602] / [ 222.345056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.348406] mems_allowed=0 [ 222.395916] ? check_preemption_disabled+0x48/0x200 [ 222.400952] ? __lock_is_held+0xb5/0x140 [ 222.405021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.410659] ? check_preemption_disabled+0x48/0x200 [ 222.415686] run_timer_softirq+0x52/0xb0 [ 222.419751] ? rcu_read_lock_sched_held+0x108/0x120 [ 222.424767] __do_softirq+0x30b/0xad8 [ 222.428577] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 222.433690] ? pvclock_read_flags+0x160/0x160 [ 222.438209] ? lapic_next_event+0x5a/0x90 [ 222.442393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.447936] ? check_preemption_disabled+0x48/0x200 [ 222.452961] ? check_preemption_disabled+0x48/0x200 [ 222.458024] ? kvm_clock_read+0x18/0x30 [ 222.462026] ? kvm_sched_clock_read+0x9/0x20 [ 222.466441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.471980] ? check_preemption_disabled+0x48/0x200 [ 222.477014] irq_exit+0x17f/0x1c0 [ 222.480473] smp_apic_timer_interrupt+0x1cb/0x760 [ 222.485319] ? smp_reschedule_interrupt+0x109/0x650 [ 222.490347] ? smp_call_function_single_interrupt+0x650/0x650 [ 222.496259] ? interrupt_entry+0xb5/0xf0 [ 222.500322] ? trace_hardirqs_off_caller+0xbb/0x300 [ 222.505340] ? trace_hardirqs_off_caller+0xbb/0x300 [ 222.510566] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.515408] ? trace_hardirqs_off+0x300/0x300 [ 222.519902] ? trace_hardirqs_off+0x300/0x300 [ 222.524410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.529947] ? check_preemption_disabled+0x48/0x200 [ 222.534983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.540527] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.545373] apic_timer_interrupt+0xf/0x20 [ 222.549601] [ 222.551839] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 222.556770] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 222.575679] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 222.583387] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 222.590668] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 222.597947] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 222.605212] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 222.612476] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 222.619790] skb_clone+0x1bb/0x500 [ 222.623334] ? finish_task_switch+0x2f5/0x900 [ 222.627830] ? skb_split+0x11e0/0x11e0 [ 222.631721] ? preempt_notifier_register+0x200/0x200 [ 222.636821] ? __switch_to_asm+0x34/0x70 [ 222.640899] ? __switch_to_asm+0x34/0x70 [ 222.644958] ? __switch_to_asm+0x40/0x70 [ 222.649015] ? __switch_to_asm+0x34/0x70 [ 222.653075] ? __switch_to_asm+0x40/0x70 [ 222.657132] ? __switch_to_asm+0x34/0x70 [ 222.661207] ? __switch_to_asm+0x40/0x70 [ 222.665267] ? __switch_to_asm+0x34/0x70 [ 222.669329] ? __switch_to_asm+0x34/0x70 [ 222.673392] ? __switch_to_asm+0x40/0x70 [ 222.677449] ? __switch_to_asm+0x34/0x70 [ 222.681516] bpf_clone_redirect+0xb9/0x490 [ 222.685759] ? __schedule+0x874/0x1ed0 [ 222.689649] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 222.694670] ? __sched_text_start+0x8/0x8 [ 222.698819] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.703583] ? find_held_lock+0x36/0x1c0 [ 222.707855] ? lock_acquire+0x1ed/0x520 [ 222.711835] ? bpf_test_run+0x32e/0x5a0 [ 222.715818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.721359] ? check_preemption_disabled+0x48/0x200 [ 222.726382] ? kasan_check_read+0x11/0x20 [ 222.730535] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.735811] ? rcu_bh_qs+0xc0/0xc0 [ 222.739352] ? preempt_schedule+0x4d/0x60 [ 222.743501] ? ___preempt_schedule+0x16/0x18 [ 222.747918] ? bpf_test_run+0x1c0/0x5a0 [ 222.751933] ? netlink_diag_dump+0x2a0/0x2a0 [ 222.756342] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.761882] ? bpf_test_init.isra.9+0x70/0x100 [ 222.766471] ? bpf_prog_test_run_skb+0x634/0xb40 [ 222.771234] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 222.776090] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 222.781622] ? fput+0x130/0x1a0 [ 222.784901] ? __bpf_prog_get+0x9b/0x290 [ 222.788965] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 222.793821] ? bpf_prog_test_run+0x130/0x1a0 [ 222.798235] ? __x64_sys_bpf+0x3d8/0x510 [ 222.802297] ? bpf_prog_get+0x20/0x20 [ 222.806109] ? ksys_ioctl+0x81/0xd0 [ 222.809750] ? do_syscall_64+0x1b9/0x820 [ 222.813815] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 222.819178] ? syscall_return_slowpath+0x5e0/0x5e0 [ 222.824114] ? trace_hardirqs_off+0x300/0x300 [ 222.828612] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 222.833631] ? recalc_sigpending_tsk+0x180/0x180 [ 222.838389] ? kasan_check_write+0x14/0x20 [ 222.842629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.847480] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 222.852864] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 222.852966] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 222.859818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 222.859824] Call Trace: [ 222.859831] [ 222.859859] dump_stack+0x1c4/0x2b4 [ 222.859898] ? dump_stack_print_info.cold.2+0x52/0x52 [ 222.866463] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 222.875764] warn_alloc.cold.118+0xb7/0x1bd [ 222.878321] syz-executor7 cpuset= [ 222.880463] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 222.884078] syz7 [ 222.889262] ? lock_downgrade+0x900/0x900 [ 222.899735] mems_allowed=0 [ 222.904052] ? trace_hardirqs_off+0xb8/0x300 [ 222.925748] ? trace_hardirqs_off+0xb8/0x300 [ 222.930169] __alloc_pages_slowpath+0x2667/0x2d80 [ 222.935038] ? check_preemption_disabled+0x48/0x200 [ 222.940061] ? warn_alloc+0x120/0x120 [ 222.943864] ? __lock_is_held+0xb5/0x140 [ 222.947936] ? warn_alloc+0x120/0x120 [ 222.951737] ? print_usage_bug+0xc0/0xc0 [ 222.955796] ? warn_alloc+0x120/0x120 [ 222.959601] ? print_usage_bug+0xc0/0xc0 [ 222.963660] ? compaction_suitable+0x1cc/0x550 [ 222.968243] ? isolate_migratepages_range+0x270/0x270 [ 222.973436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.978978] ? should_fail+0x22d/0xd01 [ 222.982865] ? mark_held_locks+0x130/0x130 [ 222.987105] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.992236] ? __lock_acquire+0x7ec/0x4ec0 [ 222.996656] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.001757] ? __lock_acquire+0x7ec/0x4ec0 [ 223.005991] ? should_fail+0x22d/0xd01 [ 223.010226] ? mark_held_locks+0x130/0x130 [ 223.014468] ? mark_held_locks+0x130/0x130 [ 223.018704] ? __cpuset_node_allowed+0x19b/0x660 [ 223.023475] ? graph_lock+0x170/0x170 [ 223.027299] ? graph_lock+0x170/0x170 [ 223.031097] ? graph_lock+0x170/0x170 [ 223.034905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.040443] ? check_preemption_disabled+0x48/0x200 [ 223.045461] ? check_preemption_disabled+0x48/0x200 [ 223.050501] ? __lock_is_held+0xb5/0x140 [ 223.054569] __alloc_pages_nodemask+0xa80/0xde0 [ 223.059235] ? graph_lock+0x170/0x170 [ 223.063038] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 223.068140] ? graph_lock+0x170/0x170 [ 223.071963] ? find_held_lock+0x36/0x1c0 [ 223.076048] ? ____cache_alloc_node+0x1c7/0x1e0 [ 223.080718] ? lock_downgrade+0x900/0x900 [ 223.084875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.090421] cache_grow_begin+0x91/0x8c0 [ 223.094483] ? do_raw_spin_unlock+0xa7/0x2f0 [ 223.098905] fallback_alloc+0x203/0x2e0 [ 223.103161] ____cache_alloc_node+0x1c7/0x1e0 [ 223.107813] __kmalloc+0x208/0x760 [ 223.111377] ? __neigh_create+0x30b/0x2130 [ 223.115630] __neigh_create+0x30b/0x2130 [ 223.119692] ? trace_hardirqs_on+0xbd/0x310 [ 223.124011] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 223.129548] ? ip6t_do_table+0xd9e/0x1d30 [ 223.133713] ? mark_held_locks+0x130/0x130 [ 223.137944] ? __local_bh_enable_ip+0x160/0x260 [ 223.142628] ? neigh_hash_alloc+0x1e0/0x1e0 [ 223.146952] ? trace_hardirqs_on+0xbd/0x310 [ 223.151288] ? ip6t_do_table+0xd9e/0x1d30 [ 223.155436] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.160895] ? trace_hardirqs_on+0xbd/0x310 [ 223.165221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.170777] ? ip6t_do_table+0xd6a/0x1d30 [ 223.174937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.180476] ? check_preemption_disabled+0x48/0x200 [ 223.185497] ? check_preemption_disabled+0x48/0x200 [ 223.190522] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 223.196059] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 223.201350] ? rcu_pm_notify+0xc0/0xc0 [ 223.205270] ? graph_lock+0x170/0x170 [ 223.209515] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 223.214728] ip6_finish_output2+0xa59/0x27a0 [ 223.219157] ? ip6_copy_metadata+0xe30/0xe30 [ 223.223572] ? ip6_mtu+0x39c/0x520 [ 223.227118] ? lock_downgrade+0x900/0x900 [ 223.231266] ? check_preemption_disabled+0x48/0x200 [ 223.236287] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 223.242100] ? kasan_check_read+0x11/0x20 [ 223.246271] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 223.251545] ? rcu_bh_qs+0xc0/0xc0 [ 223.255103] ? ip6_mtu+0x160/0x520 [ 223.258655] ? dst_hold+0x2f0/0x2f0 [ 223.262284] ? kasan_check_read+0x11/0x20 [ 223.266429] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 223.271723] ? nf_nat_ipv6_out+0x212/0x550 [ 223.275973] ip6_finish_output+0x5fe/0xbc0 [ 223.280208] ? ip6_finish_output+0x5fe/0xbc0 [ 223.284628] ip6_output+0x23e/0xa00 [ 223.288262] ? check_preemption_disabled+0x48/0x200 [ 223.293292] ? ip6_finish_output+0xbc0/0xbc0 [ 223.297699] ? ip6_fragment+0x38c0/0x38c0 [ 223.301845] ? __lock_is_held+0xb5/0x140 [ 223.305920] ndisc_send_skb+0x1005/0x1570 [ 223.310581] ? ndisc_constructor+0xc40/0xc40 [ 223.314996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.320550] ? refcount_sub_and_test_checked+0x203/0x310 [ 223.326011] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 223.331521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.337076] ndisc_send_rs+0x134/0x6e0 [ 223.340972] addrconf_rs_timer+0x3c0/0x6f0 [ 223.345217] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.349466] call_timer_fn+0x272/0x920 [ 223.353355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.357606] ? process_timeout+0x40/0x40 [ 223.361664] ? find_held_lock+0x36/0x1c0 [ 223.365730] ? mark_held_locks+0xc7/0x130 [ 223.369879] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.374383] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.378880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.383138] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 223.387723] ? trace_hardirqs_on+0xbd/0x310 [ 223.392046] ? kasan_check_read+0x11/0x20 [ 223.396193] ? __run_timers+0x7da/0xc70 [ 223.400186] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.405657] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.410399] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.414640] __run_timers+0x7e5/0xc70 [ 223.418456] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 223.423821] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 223.428843] ? graph_lock+0x170/0x170 [ 223.432651] ? print_usage_bug+0xc0/0xc0 [ 223.436713] ? lock_release+0x970/0x970 [ 223.440692] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 223.445890] ? find_held_lock+0x36/0x1c0 [ 223.449974] ? graph_lock+0x170/0x170 [ 223.453806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.459375] ? check_preemption_disabled+0x48/0x200 [ 223.464411] ? __lock_is_held+0xb5/0x140 [ 223.468476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.474019] ? check_preemption_disabled+0x48/0x200 [ 223.479060] run_timer_softirq+0x52/0xb0 [ 223.483128] ? rcu_read_lock_sched_held+0x108/0x120 [ 223.488151] __do_softirq+0x30b/0xad8 [ 223.491967] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 223.497077] ? pvclock_read_flags+0x160/0x160 [ 223.501573] ? lapic_next_event+0x5a/0x90 [ 223.505732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.511790] ? check_preemption_disabled+0x48/0x200 [ 223.516810] ? check_preemption_disabled+0x48/0x200 [ 223.521837] ? kvm_clock_read+0x18/0x30 [ 223.525817] ? kvm_sched_clock_read+0x9/0x20 [ 223.530242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.535786] ? check_preemption_disabled+0x48/0x200 [ 223.540819] irq_exit+0x17f/0x1c0 [ 223.544281] smp_apic_timer_interrupt+0x1cb/0x760 [ 223.549130] ? smp_reschedule_interrupt+0x109/0x650 [ 223.554150] ? smp_call_function_single_interrupt+0x650/0x650 [ 223.560041] ? interrupt_entry+0xb5/0xf0 [ 223.564129] ? trace_hardirqs_off_caller+0xbb/0x300 [ 223.569155] ? trace_hardirqs_off_caller+0xbb/0x300 [ 223.574185] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.579027] ? trace_hardirqs_off+0x300/0x300 [ 223.583522] ? trace_hardirqs_off+0x300/0x300 [ 223.588013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.593566] ? check_preemption_disabled+0x48/0x200 [ 223.598615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.603483] apic_timer_interrupt+0xf/0x20 [ 223.608197] [ 223.610436] RIP: 0010:console_unlock+0x1017/0x11a0 [ 223.615363] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 223.634269] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 223.641981] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 223.649246] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 223.656511] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 223.663779] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 223.671048] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 223.678328] ? netconsole_netdev_event+0x280/0x280 [ 223.683281] ? console_unlock+0x100e/0x11a0 [ 223.687629] ? devkmsg_read+0xbb0/0xbb0 [ 223.691632] ? vprintk_emit+0x7f7/0x930 [ 223.695616] ? lock_release+0x970/0x970 [ 223.699613] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.705069] ? vprintk_default+0x28/0x30 [ 223.709629] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.715088] ? kasan_check_write+0x14/0x20 [ 223.719331] ? do_raw_spin_lock+0xc1/0x200 [ 223.723582] vprintk_emit+0x33d/0x930 [ 223.727401] ? wake_up_klogd+0x180/0x180 [ 223.731487] ? find_held_lock+0x36/0x1c0 [ 223.735555] ? mark_held_locks+0xc7/0x130 [ 223.739714] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.744214] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.748718] vprintk_default+0x28/0x30 [ 223.752615] vprintk_func+0x7e/0x181 [ 223.756333] printk+0xa7/0xcf [ 223.759446] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 223.764204] ? _raw_spin_unlock_irq+0x60/0x80 [ 223.768711] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 223.774001] dump_header+0x7cc/0xf72 [ 223.777729] ? pagefault_out_of_memory+0x197/0x197 [ 223.782665] ? __lock_acquire+0x7ec/0x4ec0 [ 223.786917] ? print_usage_bug+0xc0/0xc0 [ 223.791012] ? graph_lock+0x170/0x170 [ 223.794809] ? graph_lock+0x170/0x170 [ 223.798615] ? print_usage_bug+0xc0/0xc0 [ 223.802689] ? print_usage_bug+0xc0/0xc0 [ 223.806753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.812566] ? find_held_lock+0x36/0x1c0 [ 223.816645] ? mark_held_locks+0xc7/0x130 [ 223.820809] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 223.825919] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 223.831025] ? lockdep_hardirqs_on+0x421/0x5c0 [ 223.835618] ? trace_hardirqs_on+0xbd/0x310 [ 223.839944] ? kasan_check_read+0x11/0x20 [ 223.844100] ? ___ratelimit+0x36f/0x655 [ 223.848078] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.853532] ? trace_hardirqs_on+0x310/0x310 [ 223.857950] ? lock_downgrade+0x900/0x900 [ 223.862115] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 223.867238] ? ___ratelimit+0xaa/0x655 [ 223.871138] ? idr_get_free+0xec0/0xec0 [ 223.875121] ? kasan_check_write+0x14/0x20 [ 223.879360] ? do_raw_spin_lock+0xc1/0x200 [ 223.883617] oom_kill_process.cold.27+0x10/0x903 [ 223.888388] ? graph_lock+0x170/0x170 [ 223.892196] ? _raw_spin_unlock+0x2c/0x50 [ 223.896348] ? oom_badness+0xe6/0xaa0 [ 223.900161] ? oom_evaluate_task+0x540/0x540 [ 223.904587] ? find_held_lock+0x36/0x1c0 [ 223.909182] ? out_of_memory+0x974/0x14c0 [ 223.913331] ? lock_downgrade+0x900/0x900 [ 223.917491] ? check_preemption_disabled+0x48/0x200 [ 223.922514] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 223.928311] ? kasan_check_read+0x11/0x20 [ 223.932459] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 223.937740] ? rcu_bh_qs+0xc0/0xc0 [ 223.941287] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 223.946824] ? oom_evaluate_task+0x302/0x540 [ 223.951241] out_of_memory+0xa86/0x14c0 [ 223.955223] ? oom_killer_disable+0x3a0/0x3a0 [ 223.959723] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 223.964660] ? __mutex_add_waiter+0x2a0/0x2a0 [ 223.969172] __alloc_pages_slowpath+0x2318/0x2d80 [ 223.974045] ? warn_alloc+0x120/0x120 [ 223.977848] ? __radix_tree_lookup+0x4c0/0x4c0 [ 223.982445] ? find_get_entry+0x2f2/0xc40 [ 223.986622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.992167] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 223.997187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.002727] ? should_fail+0x22d/0xd01 [ 224.006620] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.012200] ? __lock_is_held+0xb5/0x140 [ 224.016294] ? __lock_is_held+0xb5/0x140 [ 224.020389] ? find_held_lock+0x36/0x1c0 [ 224.024454] ? ___might_sleep+0x1ed/0x300 [ 224.028613] ? lock_release+0x970/0x970 [ 224.032596] ? arch_local_save_flags+0x40/0x40 [ 224.037192] ? __might_sleep+0x95/0x190 [ 224.041173] __alloc_pages_nodemask+0xa80/0xde0 [ 224.045850] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 224.050876] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 224.056682] ? kasan_check_read+0x11/0x20 [ 224.060834] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.066113] ? graph_lock+0x170/0x170 [ 224.069915] ? print_usage_bug+0xc0/0xc0 [ 224.073993] ? graph_lock+0x170/0x170 [ 224.077797] ? graph_lock+0x170/0x170 [ 224.081604] ? __do_page_cache_readahead+0x7ce/0x980 [ 224.086720] ? find_held_lock+0x36/0x1c0 [ 224.090796] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 224.096338] alloc_pages_current+0x10c/0x210 [ 224.100748] ? lock_downgrade+0x900/0x900 [ 224.104900] __page_cache_alloc+0x38f/0x5b0 [ 224.109712] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 224.115537] ? kasan_check_read+0x11/0x20 [ 224.119689] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.124973] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 224.129646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.135198] ? check_preemption_disabled+0x48/0x200 [ 224.140226] filemap_fault+0x1594/0x25f0 [ 224.144311] ? __lock_page_or_retry+0xa00/0xa00 [ 224.148978] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 224.154778] ? kasan_check_read+0x11/0x20 [ 224.158928] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.164206] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 224.169310] ? rcu_bh_qs+0xc0/0xc0 [ 224.172853] ? trace_hardirqs_on+0xbd/0x310 [ 224.177176] ? kasan_check_read+0x11/0x20 [ 224.181328] ? __free_object+0x173/0x340 [ 224.185403] ? filemap_map_pages+0xdea/0x1980 [ 224.189904] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 224.195005] ? __free_object+0x173/0x340 [ 224.199068] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 224.204343] ? debug_object_free+0x325/0x690 [ 224.209253] ? find_get_pages_range_tag+0x1320/0x1320 [ 224.214448] ? graph_lock+0x170/0x170 [ 224.218259] ? kasan_check_read+0x11/0x20 [ 224.222419] ? debug_object_destroy+0x2b0/0x2b0 [ 224.227099] ? lock_acquire+0x1ed/0x520 [ 224.231080] ? ext4_filemap_fault+0x7a/0xad [ 224.235424] ? lock_release+0x970/0x970 [ 224.239411] ? arch_local_save_flags+0x40/0x40 [ 224.243998] ? futex_wait_setup+0x3e0/0x3e0 [ 224.248333] ? down_read+0xb0/0x1d0 [ 224.251962] ? ext4_filemap_fault+0x7a/0xad [ 224.256310] ? __down_interruptible+0x700/0x700 [ 224.260994] ext4_filemap_fault+0x82/0xad [ 224.265145] __do_fault+0x100/0x6b0 [ 224.268777] ? print_bad_pte+0x6c0/0x6c0 [ 224.272840] ? do_futex+0x249/0x26d0 [ 224.276556] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.282015] ? kasan_check_read+0x11/0x20 [ 224.286162] ? pmd_val+0x88/0x100 [ 224.289619] ? add_mm_counter_fast+0xd0/0xd0 [ 224.294030] ? pmd_val+0x88/0x100 [ 224.297484] ? add_mm_counter_fast+0xd0/0xd0 [ 224.301897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.307957] __handle_mm_fault+0x3709/0x53e0 [ 224.312383] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 224.317227] ? graph_lock+0x170/0x170 [ 224.321034] ? print_usage_bug+0xc0/0xc0 [ 224.325094] ? lockdep_hardirqs_on+0x421/0x5c0 [ 224.329677] ? graph_lock+0x170/0x170 [ 224.333474] ? graph_lock+0x170/0x170 [ 224.337294] ? handle_mm_fault+0x42a/0xc70 [ 224.341531] ? lock_downgrade+0x900/0x900 [ 224.345679] ? check_preemption_disabled+0x48/0x200 [ 224.350704] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 224.356519] ? kasan_check_read+0x11/0x20 [ 224.360669] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.365948] ? rcu_bh_qs+0xc0/0xc0 [ 224.369487] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.374937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.380481] ? check_preemption_disabled+0x48/0x200 [ 224.385505] handle_mm_fault+0x54f/0xc70 [ 224.389582] ? __handle_mm_fault+0x53e0/0x53e0 [ 224.394168] ? find_vma+0x34/0x190 [ 224.397716] __do_page_fault+0x67d/0xed0 [ 224.401788] ? mm_fault_error+0x380/0x380 [ 224.405934] ? trace_hardirqs_off+0xb8/0x300 [ 224.410832] ? trace_hardirqs_on+0x310/0x310 [ 224.415244] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 224.420616] ? trace_hardirqs_on+0x310/0x310 [ 224.425038] do_page_fault+0xf2/0x7e0 [ 224.428846] ? vmalloc_sync_all+0x30/0x30 [ 224.432998] ? error_entry+0x70/0xd0 [ 224.436720] ? trace_hardirqs_off_caller+0xbb/0x300 [ 224.441739] ? trace_hardirqs_on_caller+0xc0/0x300 [ 224.446675] ? syscall_return_slowpath+0x5e0/0x5e0 [ 224.451624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.456478] ? trace_hardirqs_off+0x300/0x300 [ 224.460988] ? trace_hardirqs_off_caller+0x300/0x300 [ 224.466122] ? prepare_exit_to_usermode+0x291/0x3b0 [ 224.471165] ? page_fault+0x8/0x30 [ 224.474732] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.479606] ? page_fault+0x8/0x30 [ 224.483169] page_fault+0x1e/0x30 [ 224.486628] RIP: 0033:0x45ddf3 [ 224.489825] Code: Bad RIP value. [ 224.493190] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 224.498562] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 224.505848] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 224.513605] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 224.520891] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 224.528175] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 224.535479] warn_alloc_show_mem: 1 callbacks suppressed [ 224.535493] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 224.535495] Mem-Info: [ 224.535525] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 224.535525] active_file:16 inactive_file:19 isolated_file:0 [ 224.535525] unevictable:0 dirty:0 writeback:0 unstable:0 [ 224.535525] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 224.535525] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 224.535525] free:13708 free_pcp:124 free_cma:0 [ 224.540889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 224.548089] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 224.550494] Call Trace: [ 224.583395] Node 0 [ 224.592770] [ 224.620918] 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 [ 224.623486] dump_stack+0x1c4/0x2b4 [ 224.625692] lowmem_reserve[]: [ 224.627858] ? dump_stack_print_info.cold.2+0x52/0x52 [ 224.653346] 0 [ 224.656993] warn_alloc.cold.118+0xb7/0x1bd [ 224.660052] 2817 6321 [ 224.665254] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 224.667028] 6321 [ 224.671347] ? lock_downgrade+0x900/0x900 [ 224.673833] Node 0 [ 224.678675] ? trace_hardirqs_off+0xb8/0x300 [ 224.680735] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 224.684856] ? trace_hardirqs_off+0xb8/0x300 [ 224.687086] lowmem_reserve[]: [ 224.691493] __alloc_pages_slowpath+0x2667/0x2d80 [ 224.718886] 0 0 [ 224.723355] ? warn_alloc+0x120/0x120 [ 224.726407] 3503 [ 224.731250] ? warn_alloc+0x120/0x120 [ 224.733199] 3503 [ 224.736994] ? print_usage_bug+0xc0/0xc0 [ 224.742830] ? warn_alloc+0x120/0x120 [ 224.744880] Node 0 [ 224.748941] ? print_usage_bug+0xc0/0xc0 [ 224.752745] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 224.754967] ? __lock_acquire+0x7ec/0x4ec0 [ 224.758998] lowmem_reserve[]: 0 [ 224.787215] ? __lock_acquire+0x7ec/0x4ec0 [ 224.791437] 0 [ 224.794723] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.798930] 0 [ 224.800733] ? should_fail+0x22d/0xd01 [ 224.806261] 0 [ 224.808069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.811931] Node 0 [ 224.813734] ? __lock_acquire+0x7ec/0x4ec0 [ 224.818807] DMA: 1*4kB [ 224.821052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.825257] (U) [ 224.827839] ? __lock_acquire+0x7ec/0x4ec0 [ 224.832918] 0*8kB [ 224.834895] ? should_fail+0x22d/0xd01 [ 224.839112] 0*16kB [ 224.841276] ? mark_held_locks+0x130/0x130 [ 224.845123] 1*32kB (U) [ 224.847381] ? mark_held_locks+0x130/0x130 [ 224.851626] 2*64kB (U) [ 224.854220] ? graph_lock+0x170/0x170 [ 224.858424] 1*128kB (U) [ 224.861015] ? graph_lock+0x170/0x170 [ 224.864793] 1*256kB [ 224.867456] ? graph_lock+0x170/0x170 [ 224.871229] (U) 0*512kB [ 224.873558] ? print_usage_bug+0xc0/0xc0 [ 224.877345] 1*1024kB [ 224.880014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.884048] (U) [ 224.886455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.891987] 1*2048kB (M) [ 224.893974] ? check_preemption_disabled+0x48/0x200 [ 224.899484] 3*4096kB (M) [ 224.902250] ? check_preemption_disabled+0x48/0x200 [ 224.907696] = 15908kB [ 224.907705] Node 0 [ 224.910472] ? __lock_is_held+0xb5/0x140 [ 224.915467] DMA32: [ 224.917888] __alloc_pages_nodemask+0xa80/0xde0 [ 224.920093] 3*4kB [ 224.924151] ? graph_lock+0x170/0x170 [ 224.926365] (UM) [ 224.931036] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 224.933167] 2*8kB [ 224.937002] ? graph_lock+0x170/0x170 [ 224.939041] (M) [ 224.944058] ? find_held_lock+0x36/0x1c0 [ 224.946186] 3*16kB (UM) [ 224.949998] ? ____cache_alloc_node+0x1c7/0x1e0 [ 224.951941] 3*32kB (M) [ 224.956012] ? lock_downgrade+0x900/0x900 [ 224.958661] 3*64kB [ 224.963333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.965893] (UM) [ 224.970049] cache_grow_begin+0x91/0x8c0 [ 224.972278] 4*128kB [ 224.977815] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.979856] (UM) [ 224.983934] fallback_alloc+0x203/0x2e0 [ 224.986240] 3*256kB [ 224.990656] ____cache_alloc_node+0x1c7/0x1e0 [ 224.992697] (M) [ 224.997161] kmem_cache_alloc_node+0xe3/0x730 [ 224.999466] 4*512kB [ 225.003957] ? ipv6_get_ifaddr+0x42e/0x620 [ 225.005922] (M) [ 225.010420] __alloc_skb+0x119/0x770 [ 225.012735] 3*1024kB [ 225.016967] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.018922] (UM) [ 225.022637] ? skb_scrub_packet+0x490/0x490 [ 225.025040] 1*2048kB (M) [ 225.030329] ? lock_downgrade+0x900/0x900 [ 225.032376] 4*4096kB [ 225.036708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.039439] (M) [ 225.043597] ? refcount_sub_and_test_checked+0x203/0x310 [ 225.045979] = 25196kB [ 225.051521] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 225.053472] Node 0 [ 225.058931] ? addrconf_rs_timer+0x6f0/0x6f0 [ 225.061314] Normal: 852*4kB [ 225.066802] ndisc_alloc_skb+0x144/0x340 [ 225.069012] (UMEH) [ 225.073432] ndisc_send_rs+0x331/0x6e0 [ 225.076447] 324*8kB [ 225.080517] addrconf_rs_timer+0x3c0/0x6f0 [ 225.082735] (UMEH) [ 225.086631] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.088927] 169*16kB [ 225.093176] call_timer_fn+0x272/0x920 [ 225.095383] (UMEH) [ 225.099644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.102035] 81*32kB (UMEH) [ 225.106143] ? process_timeout+0x40/0x40 [ 225.108823] 31*64kB [ 225.113064] ? find_held_lock+0x36/0x1c0 [ 225.115988] (UMH) [ 225.120074] ? __run_timers+0x7da/0xc70 [ 225.122384] 3*128kB [ 225.126452] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.128571] (H) 1*256kB [ 225.132560] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.134851] (H) 0*512kB [ 225.139416] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.142078] 0*1024kB [ 225.146589] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 225.149242] 0*2048kB 0*4096kB [ 225.153491] ? trace_hardirqs_on+0xbd/0x310 [ 225.155891] = 13920kB [ 225.160495] ? kasan_check_read+0x11/0x20 [ 225.163672] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 225.168036] ? __run_timers+0x7da/0xc70 [ 225.170429] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 225.174570] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.183399] 414 total pagecache pages [ 225.187390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.195956] 0 pages in swap cache [ 225.201422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.205201] Swap cache stats: add 0, delete 0, find 0/0 [ 225.205211] Free swap = 0kB [ 225.209455] __run_timers+0x7e5/0xc70 [ 225.212893] Total swap = 0kB [ 225.217163] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 225.222496] 1965979 pages RAM [ 225.225516] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 225.229283] 0 pages HighMem/MovableOnly [ 225.229292] 342744 pages reserved [ 225.232307] ? graph_lock+0x170/0x170 [ 225.237664] 0 pages cma reserved [ 225.240781] ? enqueue_hrtimer+0x1a5/0x560 [ 225.246087] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 225.249751] ? lock_release+0x970/0x970 [ 225.253188] syz-fuzzer cpuset= [ 225.256994] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 225.260339] / [ 225.264580] ? find_held_lock+0x36/0x1c0 [ 225.274791] mems_allowed=0 [ 225.278771] ? graph_lock+0x170/0x170 [ 225.299566] ? pvclock_read_flags+0x160/0x160 [ 225.304071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.309628] ? check_preemption_disabled+0x48/0x200 [ 225.314665] ? __lock_is_held+0xb5/0x140 [ 225.318734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.324276] ? check_preemption_disabled+0x48/0x200 [ 225.329305] run_timer_softirq+0x52/0xb0 [ 225.333390] ? rcu_read_lock_sched_held+0x108/0x120 [ 225.338421] __do_softirq+0x30b/0xad8 [ 225.342239] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 225.347352] ? pvclock_read_flags+0x160/0x160 [ 225.351847] ? lapic_next_event+0x5a/0x90 [ 225.356012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.361559] ? check_preemption_disabled+0x48/0x200 [ 225.366579] ? check_preemption_disabled+0x48/0x200 [ 225.371602] ? kvm_clock_read+0x18/0x30 [ 225.375675] ? kvm_sched_clock_read+0x9/0x20 [ 225.380091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.385660] ? check_preemption_disabled+0x48/0x200 [ 225.390710] irq_exit+0x17f/0x1c0 [ 225.394184] smp_apic_timer_interrupt+0x1cb/0x760 [ 225.399041] ? smp_reschedule_interrupt+0x109/0x650 [ 225.404084] ? smp_call_function_single_interrupt+0x650/0x650 [ 225.409985] ? interrupt_entry+0xb5/0xf0 [ 225.414055] ? trace_hardirqs_off_caller+0xbb/0x300 [ 225.419077] ? trace_hardirqs_off_caller+0xbb/0x300 [ 225.424101] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.428947] ? trace_hardirqs_off+0x300/0x300 [ 225.433439] ? trace_hardirqs_off+0x300/0x300 [ 225.437940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.443484] ? check_preemption_disabled+0x48/0x200 [ 225.448516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.454084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.458977] apic_timer_interrupt+0xf/0x20 [ 225.463218] [ 225.465472] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 225.470412] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 225.489326] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 225.497068] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 225.504348] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 225.511630] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 225.518909] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 225.526188] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 225.533513] skb_clone+0x1bb/0x500 [ 225.537062] ? finish_task_switch+0x2f5/0x900 [ 225.541567] ? skb_split+0x11e0/0x11e0 [ 225.545469] ? preempt_notifier_register+0x200/0x200 [ 225.550599] ? __switch_to_asm+0x34/0x70 [ 225.554672] ? __switch_to_asm+0x34/0x70 [ 225.558783] ? __switch_to_asm+0x40/0x70 [ 225.562860] ? __switch_to_asm+0x34/0x70 [ 225.566941] ? __switch_to_asm+0x40/0x70 [ 225.571001] ? __switch_to_asm+0x34/0x70 [ 225.575104] ? __switch_to_asm+0x40/0x70 [ 225.579187] ? __switch_to_asm+0x34/0x70 [ 225.583257] ? __switch_to_asm+0x34/0x70 [ 225.587322] ? __switch_to_asm+0x40/0x70 [ 225.591385] ? __switch_to_asm+0x34/0x70 [ 225.595487] bpf_clone_redirect+0xb9/0x490 [ 225.599741] ? __schedule+0x874/0x1ed0 [ 225.603664] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 225.608707] ? __sched_text_start+0x8/0x8 [ 225.612857] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 225.617649] ? find_held_lock+0x36/0x1c0 [ 225.621728] ? lock_acquire+0x1ed/0x520 [ 225.625702] ? bpf_test_run+0x32e/0x5a0 [ 225.629699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.635246] ? check_preemption_disabled+0x48/0x200 [ 225.640291] ? kasan_check_read+0x11/0x20 [ 225.644449] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.649728] ? rcu_bh_qs+0xc0/0xc0 [ 225.653269] ? preempt_schedule+0x4d/0x60 [ 225.657420] ? ___preempt_schedule+0x16/0x18 [ 225.661850] ? bpf_test_run+0x1c0/0x5a0 [ 225.665857] ? netlink_diag_dump+0x2a0/0x2a0 [ 225.670284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.675822] ? bpf_test_init.isra.9+0x70/0x100 [ 225.680414] ? bpf_prog_test_run_skb+0x634/0xb40 [ 225.685196] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 225.690052] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 225.695602] ? fput+0x130/0x1a0 [ 225.698902] ? __bpf_prog_get+0x9b/0x290 [ 225.702978] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 225.707933] ? bpf_prog_test_run+0x130/0x1a0 [ 225.712361] ? __x64_sys_bpf+0x3d8/0x510 [ 225.716436] ? bpf_prog_get+0x20/0x20 [ 225.720253] ? ksys_ioctl+0x81/0xd0 [ 225.723899] ? do_syscall_64+0x1b9/0x820 [ 225.727967] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 225.733348] ? syscall_return_slowpath+0x5e0/0x5e0 [ 225.738294] ? trace_hardirqs_off+0x300/0x300 [ 225.742814] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 225.747837] ? recalc_sigpending_tsk+0x180/0x180 [ 225.752606] ? kasan_check_write+0x14/0x20 [ 225.756874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.761733] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 225.767122] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 225.767203] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 225.774096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.774101] Call Trace: [ 225.774108] [ 225.774130] dump_stack+0x1c4/0x2b4 [ 225.774144] ? dump_stack_print_info.cold.2+0x52/0x52 [ 225.774169] warn_alloc.cold.118+0xb7/0x1bd [ 225.774188] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 225.780801] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 225.790055] ? lock_downgrade+0x900/0x900 [ 225.792621] syz-executor7 cpuset= [ 225.794770] ? trace_hardirqs_off+0xb8/0x300 [ 225.798391] syz7 [ 225.803587] ? trace_hardirqs_off+0xb8/0x300 [ 225.807897] mems_allowed=0 [ 225.812741] __alloc_pages_slowpath+0x2667/0x2d80 [ 225.849347] ? warn_alloc+0x120/0x120 [ 225.853165] ? warn_alloc+0x120/0x120 [ 225.856976] ? print_usage_bug+0xc0/0xc0 [ 225.861040] ? warn_alloc+0x120/0x120 [ 225.864841] ? print_usage_bug+0xc0/0xc0 [ 225.868902] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 225.874105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.879665] ? should_fail+0x22d/0xd01 [ 225.883569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.888690] ? __lock_acquire+0x7ec/0x4ec0 [ 225.892934] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.898037] ? __lock_acquire+0x7ec/0x4ec0 [ 225.902290] ? should_fail+0x22d/0xd01 [ 225.906219] ? mark_held_locks+0x130/0x130 [ 225.910918] ? mark_held_locks+0x130/0x130 [ 225.915160] ? graph_lock+0x170/0x170 [ 225.918974] ? graph_lock+0x170/0x170 [ 225.922805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.928352] ? check_preemption_disabled+0x48/0x200 [ 225.933401] ? check_preemption_disabled+0x48/0x200 [ 225.938454] ? __lock_is_held+0xb5/0x140 [ 225.942539] __alloc_pages_nodemask+0xa80/0xde0 [ 225.947235] ? graph_lock+0x170/0x170 [ 225.951058] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 225.956082] ? graph_lock+0x170/0x170 [ 225.959901] ? find_held_lock+0x36/0x1c0 [ 225.963980] ? ____cache_alloc_node+0x1c7/0x1e0 [ 225.968665] ? lock_downgrade+0x900/0x900 [ 225.972832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.978394] cache_grow_begin+0x91/0x8c0 [ 225.982466] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.986907] fallback_alloc+0x203/0x2e0 [ 225.990904] ____cache_alloc_node+0x1c7/0x1e0 [ 225.995426] __kmalloc+0x208/0x760 [ 225.998989] ? __neigh_create+0x30b/0x2130 [ 226.003236] __neigh_create+0x30b/0x2130 [ 226.007784] ? trace_hardirqs_on+0xbd/0x310 [ 226.012115] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 226.017670] ? ip6t_do_table+0xd9e/0x1d30 [ 226.021846] ? mark_held_locks+0x130/0x130 [ 226.026095] ? __local_bh_enable_ip+0x160/0x260 [ 226.030772] ? neigh_hash_alloc+0x1e0/0x1e0 [ 226.035095] ? trace_hardirqs_on+0xbd/0x310 [ 226.039429] ? ip6t_do_table+0xd9e/0x1d30 [ 226.043591] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.049039] ? trace_hardirqs_on+0xbd/0x310 [ 226.053373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.058914] ? ip6t_do_table+0xd6a/0x1d30 [ 226.063070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.068620] ? check_preemption_disabled+0x48/0x200 [ 226.073645] ? check_preemption_disabled+0x48/0x200 [ 226.078700] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 226.084239] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.089535] ? rcu_pm_notify+0xc0/0xc0 [ 226.093423] ? graph_lock+0x170/0x170 [ 226.097228] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 226.102425] ip6_finish_output2+0xa59/0x27a0 [ 226.106842] ? ip6_copy_metadata+0xe30/0xe30 [ 226.111606] ? ip6_mtu+0x39c/0x520 [ 226.115150] ? lock_downgrade+0x900/0x900 [ 226.119302] ? check_preemption_disabled+0x48/0x200 [ 226.124333] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 226.130142] ? kasan_check_read+0x11/0x20 [ 226.134308] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.139602] ? rcu_bh_qs+0xc0/0xc0 [ 226.143153] ? ip6_mtu+0x160/0x520 [ 226.146691] ? dst_hold+0x2f0/0x2f0 [ 226.150320] ? kasan_check_read+0x11/0x20 [ 226.154476] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.159759] ? nf_nat_ipv6_out+0x212/0x550 [ 226.164008] ip6_finish_output+0x5fe/0xbc0 [ 226.168255] ? ip6_finish_output+0x5fe/0xbc0 [ 226.172684] ip6_output+0x23e/0xa00 [ 226.176325] ? check_preemption_disabled+0x48/0x200 [ 226.181360] ? ip6_finish_output+0xbc0/0xbc0 [ 226.185791] ? ip6_fragment+0x38c0/0x38c0 [ 226.189951] ? __lock_is_held+0xb5/0x140 [ 226.194037] ndisc_send_skb+0x1005/0x1570 [ 226.198207] ? ndisc_constructor+0xc40/0xc40 [ 226.202634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.208656] ? refcount_sub_and_test_checked+0x203/0x310 [ 226.214128] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 226.219622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.225209] ndisc_send_rs+0x134/0x6e0 [ 226.229116] addrconf_rs_timer+0x3c0/0x6f0 [ 226.233362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.237624] call_timer_fn+0x272/0x920 [ 226.241513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.245754] ? process_timeout+0x40/0x40 [ 226.249826] ? find_held_lock+0x36/0x1c0 [ 226.253913] ? mark_held_locks+0xc7/0x130 [ 226.258077] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.262623] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.267128] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.271378] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 226.275974] ? trace_hardirqs_on+0xbd/0x310 [ 226.280305] ? kasan_check_read+0x11/0x20 [ 226.284468] ? __run_timers+0x7da/0xc70 [ 226.288490] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.293964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.298223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.302475] __run_timers+0x7e5/0xc70 [ 226.306299] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 226.312137] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 226.317166] ? graph_lock+0x170/0x170 [ 226.321001] ? print_usage_bug+0xc0/0xc0 [ 226.325077] ? lock_release+0x970/0x970 [ 226.329083] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 226.334287] ? find_held_lock+0x36/0x1c0 [ 226.338360] ? graph_lock+0x170/0x170 [ 226.342176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.347724] ? check_preemption_disabled+0x48/0x200 [ 226.352759] ? __lock_is_held+0xb5/0x140 [ 226.356828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.362394] ? check_preemption_disabled+0x48/0x200 [ 226.367465] run_timer_softirq+0x52/0xb0 [ 226.371533] ? rcu_read_lock_sched_held+0x108/0x120 [ 226.376559] __do_softirq+0x30b/0xad8 [ 226.380390] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 226.385522] ? pvclock_read_flags+0x160/0x160 [ 226.390029] ? lapic_next_event+0x5a/0x90 [ 226.394191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.399752] ? check_preemption_disabled+0x48/0x200 [ 226.404784] ? check_preemption_disabled+0x48/0x200 [ 226.410318] ? kvm_clock_read+0x18/0x30 [ 226.414323] ? kvm_sched_clock_read+0x9/0x20 [ 226.418755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.424309] ? check_preemption_disabled+0x48/0x200 [ 226.429414] irq_exit+0x17f/0x1c0 [ 226.432890] smp_apic_timer_interrupt+0x1cb/0x760 [ 226.437755] ? smp_reschedule_interrupt+0x109/0x650 [ 226.442785] ? smp_call_function_single_interrupt+0x650/0x650 [ 226.448682] ? interrupt_entry+0xb5/0xf0 [ 226.452757] ? trace_hardirqs_off_caller+0xbb/0x300 [ 226.457783] ? trace_hardirqs_off_caller+0xbb/0x300 [ 226.462814] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.467670] ? trace_hardirqs_off+0x300/0x300 [ 226.472174] ? trace_hardirqs_off+0x300/0x300 [ 226.476695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.482257] ? check_preemption_disabled+0x48/0x200 [ 226.487298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.492168] apic_timer_interrupt+0xf/0x20 [ 226.496412] [ 226.498665] RIP: 0010:console_unlock+0x1017/0x11a0 [ 226.503610] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 226.522994] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 226.530739] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 226.538044] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 226.545334] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 226.552623] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 226.559907] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 226.567217] ? netconsole_netdev_event+0x280/0x280 [ 226.572208] ? console_unlock+0x100e/0x11a0 [ 226.576584] ? devkmsg_read+0xbb0/0xbb0 [ 226.580564] ? vprintk_emit+0x7f7/0x930 [ 226.584551] ? lock_release+0x970/0x970 [ 226.588891] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.594365] ? vprintk_default+0x28/0x30 [ 226.598457] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.603924] ? kasan_check_write+0x14/0x20 [ 226.608674] ? do_raw_spin_lock+0xc1/0x200 [ 226.612922] vprintk_emit+0x33d/0x930 [ 226.616747] ? wake_up_klogd+0x180/0x180 [ 226.620821] ? find_held_lock+0x36/0x1c0 [ 226.624897] ? mark_held_locks+0xc7/0x130 [ 226.629063] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.633569] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.638088] vprintk_default+0x28/0x30 [ 226.641979] vprintk_func+0x7e/0x181 [ 226.645715] printk+0xa7/0xcf [ 226.648823] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 226.653597] ? _raw_spin_unlock_irq+0x60/0x80 [ 226.658120] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 226.663423] dump_header+0x7cc/0xf72 [ 226.667216] ? pagefault_out_of_memory+0x197/0x197 [ 226.672168] ? __lock_acquire+0x7ec/0x4ec0 [ 226.676423] ? print_usage_bug+0xc0/0xc0 [ 226.680524] ? graph_lock+0x170/0x170 [ 226.684338] ? graph_lock+0x170/0x170 [ 226.688167] ? print_usage_bug+0xc0/0xc0 [ 226.692244] ? print_usage_bug+0xc0/0xc0 [ 226.696333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.701906] ? find_held_lock+0x36/0x1c0 [ 226.705998] ? mark_held_locks+0xc7/0x130 [ 226.710648] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 226.715755] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 226.720866] ? lockdep_hardirqs_on+0x421/0x5c0 [ 226.725452] ? trace_hardirqs_on+0xbd/0x310 [ 226.729800] ? kasan_check_read+0x11/0x20 [ 226.733965] ? ___ratelimit+0x36f/0x655 [ 226.737980] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.743435] ? trace_hardirqs_on+0x310/0x310 [ 226.747843] ? lock_downgrade+0x900/0x900 [ 226.752004] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 226.757126] ? ___ratelimit+0xaa/0x655 [ 226.761032] ? idr_get_free+0xec0/0xec0 [ 226.765015] ? kasan_check_write+0x14/0x20 [ 226.769257] ? do_raw_spin_lock+0xc1/0x200 [ 226.773513] oom_kill_process.cold.27+0x10/0x903 [ 226.778287] ? graph_lock+0x170/0x170 [ 226.782105] ? _raw_spin_unlock+0x2c/0x50 [ 226.786255] ? oom_badness+0xe6/0xaa0 [ 226.790061] ? oom_evaluate_task+0x540/0x540 [ 226.794472] ? find_held_lock+0x36/0x1c0 [ 226.798546] ? out_of_memory+0x974/0x14c0 [ 226.802709] ? lock_downgrade+0x900/0x900 [ 226.806864] ? check_preemption_disabled+0x48/0x200 [ 226.812077] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 226.817906] ? kasan_check_read+0x11/0x20 [ 226.822075] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.827377] ? rcu_bh_qs+0xc0/0xc0 [ 226.830964] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 226.836504] ? oom_evaluate_task+0x302/0x540 [ 226.840918] out_of_memory+0xa86/0x14c0 [ 226.844911] ? oom_killer_disable+0x3a0/0x3a0 [ 226.849413] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 226.854360] ? __mutex_add_waiter+0x2a0/0x2a0 [ 226.858880] __alloc_pages_slowpath+0x2318/0x2d80 [ 226.863772] ? warn_alloc+0x120/0x120 [ 226.867594] ? __radix_tree_lookup+0x4c0/0x4c0 [ 226.872209] ? find_get_entry+0x2f2/0xc40 [ 226.876374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.881918] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 226.886854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.892417] ? should_fail+0x22d/0xd01 [ 226.896316] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.901429] ? __lock_is_held+0xb5/0x140 [ 226.905536] ? __lock_is_held+0xb5/0x140 [ 226.910136] ? find_held_lock+0x36/0x1c0 [ 226.914216] ? ___might_sleep+0x1ed/0x300 [ 226.918387] ? lock_release+0x970/0x970 [ 226.922438] ? arch_local_save_flags+0x40/0x40 [ 226.927062] ? __might_sleep+0x95/0x190 [ 226.931063] __alloc_pages_nodemask+0xa80/0xde0 [ 226.935760] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 226.940795] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 226.946621] ? kasan_check_read+0x11/0x20 [ 226.950805] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.956101] ? graph_lock+0x170/0x170 [ 226.959914] ? print_usage_bug+0xc0/0xc0 [ 226.963980] ? graph_lock+0x170/0x170 [ 226.967783] ? graph_lock+0x170/0x170 [ 226.971593] ? __do_page_cache_readahead+0x7ce/0x980 [ 226.976707] ? find_held_lock+0x36/0x1c0 [ 226.980789] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 226.986346] alloc_pages_current+0x10c/0x210 [ 226.990756] ? lock_downgrade+0x900/0x900 [ 226.994906] __page_cache_alloc+0x38f/0x5b0 [ 226.999464] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.005263] ? kasan_check_read+0x11/0x20 [ 227.009510] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.014794] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 227.019463] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.025001] ? check_preemption_disabled+0x48/0x200 [ 227.030033] filemap_fault+0x1594/0x25f0 [ 227.034126] ? __lock_page_or_retry+0xa00/0xa00 [ 227.038788] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.044579] ? kasan_check_read+0x11/0x20 [ 227.048728] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.054003] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 227.059101] ? rcu_bh_qs+0xc0/0xc0 [ 227.062639] ? trace_hardirqs_on+0xbd/0x310 [ 227.066958] ? kasan_check_read+0x11/0x20 [ 227.071118] ? __free_object+0x173/0x340 [ 227.075184] ? filemap_map_pages+0xdea/0x1980 [ 227.079690] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 227.084796] ? __free_object+0x173/0x340 [ 227.088862] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 227.094134] ? debug_object_free+0x325/0x690 [ 227.098567] ? find_get_pages_range_tag+0x1320/0x1320 [ 227.104243] ? graph_lock+0x170/0x170 [ 227.108606] ? kasan_check_read+0x11/0x20 [ 227.112757] ? debug_object_destroy+0x2b0/0x2b0 [ 227.117436] ? lock_acquire+0x1ed/0x520 [ 227.121412] ? ext4_filemap_fault+0x7a/0xad [ 227.125739] ? lock_release+0x970/0x970 [ 227.129713] ? arch_local_save_flags+0x40/0x40 [ 227.134299] ? futex_wait_setup+0x3e0/0x3e0 [ 227.138630] ? down_read+0xb0/0x1d0 [ 227.142254] ? ext4_filemap_fault+0x7a/0xad [ 227.146573] ? __down_interruptible+0x700/0x700 [ 227.151268] ext4_filemap_fault+0x82/0xad [ 227.155418] __do_fault+0x100/0x6b0 [ 227.159048] ? print_bad_pte+0x6c0/0x6c0 [ 227.163115] ? do_futex+0x249/0x26d0 [ 227.166833] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.172284] ? kasan_check_read+0x11/0x20 [ 227.176433] ? pmd_val+0x88/0x100 [ 227.179891] ? add_mm_counter_fast+0xd0/0xd0 [ 227.184299] ? pmd_val+0x88/0x100 [ 227.187755] ? add_mm_counter_fast+0xd0/0xd0 [ 227.192172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.197721] __handle_mm_fault+0x3709/0x53e0 [ 227.202139] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 227.207430] ? graph_lock+0x170/0x170 [ 227.211234] ? print_usage_bug+0xc0/0xc0 [ 227.215293] ? lockdep_hardirqs_on+0x421/0x5c0 [ 227.219894] ? graph_lock+0x170/0x170 [ 227.223692] ? graph_lock+0x170/0x170 [ 227.227509] ? handle_mm_fault+0x42a/0xc70 [ 227.231741] ? lock_downgrade+0x900/0x900 [ 227.235892] ? check_preemption_disabled+0x48/0x200 [ 227.240928] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.246748] ? kasan_check_read+0x11/0x20 [ 227.250900] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.256179] ? rcu_bh_qs+0xc0/0xc0 [ 227.259719] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.265171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.270715] ? check_preemption_disabled+0x48/0x200 [ 227.275739] handle_mm_fault+0x54f/0xc70 [ 227.279800] ? __handle_mm_fault+0x53e0/0x53e0 [ 227.284388] ? find_vma+0x34/0x190 [ 227.287943] __do_page_fault+0x67d/0xed0 [ 227.292037] ? mm_fault_error+0x380/0x380 [ 227.296182] ? trace_hardirqs_off+0xb8/0x300 [ 227.300595] ? trace_hardirqs_on+0x310/0x310 [ 227.305005] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 227.310819] ? trace_hardirqs_on+0x310/0x310 [ 227.315236] do_page_fault+0xf2/0x7e0 [ 227.319038] ? vmalloc_sync_all+0x30/0x30 [ 227.323190] ? error_entry+0x70/0xd0 [ 227.326905] ? trace_hardirqs_off_caller+0xbb/0x300 [ 227.331918] ? trace_hardirqs_on_caller+0xc0/0x300 [ 227.336845] ? syscall_return_slowpath+0x5e0/0x5e0 [ 227.341775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.346622] ? trace_hardirqs_off+0x300/0x300 [ 227.351119] ? trace_hardirqs_off_caller+0x300/0x300 [ 227.356244] ? prepare_exit_to_usermode+0x291/0x3b0 [ 227.361260] ? page_fault+0x8/0x30 [ 227.364807] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.369652] ? page_fault+0x8/0x30 [ 227.373193] page_fault+0x1e/0x30 [ 227.376644] RIP: 0033:0x45ddf3 [ 227.379850] Code: Bad RIP value. [ 227.383222] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 227.388615] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 227.395882] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 227.403151] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 227.410905] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 227.418170] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 227.425460] warn_alloc_show_mem: 1 callbacks suppressed [ 227.425472] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 227.425474] Mem-Info: [ 227.425503] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 227.425503] active_file:16 inactive_file:19 isolated_file:0 [ 227.425503] unevictable:0 dirty:0 writeback:0 unstable:0 [ 227.425503] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 227.425503] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 227.425503] free:13708 free_pcp:124 free_cma:0 [ 227.430845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.430853] Call Trace: [ 227.438051] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 227.440448] [ 227.473311] Node 0 [ 227.482672] dump_stack+0x1c4/0x2b4 [ 227.485261] 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 [ 227.512905] ? dump_stack_print_info.cold.2+0x52/0x52 [ 227.515040] lowmem_reserve[]: [ 227.517283] warn_alloc.cold.118+0xb7/0x1bd [ 227.520893] 0 [ 227.546405] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 227.551571] 2817 [ 227.554672] ? lock_downgrade+0x900/0x900 [ 227.558969] 6321 [ 227.560773] ? trace_hardirqs_off+0xb8/0x300 [ 227.565593] 6321 [ 227.567654] ? trace_hardirqs_off+0xb8/0x300 [ 227.571782] Node 0 [ 227.573843] __alloc_pages_slowpath+0x2667/0x2d80 [ 227.578250] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 227.580306] ? warn_alloc+0x120/0x120 [ 227.584675] lowmem_reserve[]: [ 227.586910] ? trace_hardirqs_on+0x310/0x310 [ 227.591733] 0 [ 227.618709] ? warn_alloc+0x120/0x120 [ 227.622489] 0 [ 227.625598] ? print_usage_bug+0xc0/0xc0 [ 227.629978] 3503 3503 [ 227.631788] ? warn_alloc+0x120/0x120 [ 227.637361] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 227.641406] Node 0 [ 227.643906] ? print_usage_bug+0xc0/0xc0 [ 227.647710] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 227.652696] ? __lock_acquire+0x7ec/0x4ec0 [ 227.654902] lowmem_reserve[]: 0 [ 227.659003] ? __lock_acquire+0x7ec/0x4ec0 [ 227.687172] 0 [ 227.691409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.694662] 0 [ 227.698903] ? should_fail+0x22d/0xd01 [ 227.700685] 0 [ 227.706218] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.708465] Node 0 [ 227.712348] ? __lock_acquire+0x7ec/0x4ec0 [ 227.714119] DMA: 1*4kB [ 227.719227] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.721443] (U) [ 227.725671] ? __lock_acquire+0x7ec/0x4ec0 [ 227.728226] 0*8kB 0*16kB [ 227.733363] ? should_fail+0x22d/0xd01 [ 227.735322] 1*32kB [ 227.739563] ? print_usage_bug+0xc0/0xc0 [ 227.742303] (U) [ 227.746201] ? mark_held_locks+0x130/0x130 [ 227.748410] 2*64kB [ 227.752461] ? mark_held_locks+0x130/0x130 [ 227.754419] (U) [ 227.758655] ? graph_lock+0x170/0x170 [ 227.760883] 1*128kB [ 227.765109] ? print_usage_bug+0xc0/0xc0 [ 227.767065] (U) [ 227.770885] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 227.773169] 1*256kB [ 227.777223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.779177] (U) [ 227.783926] ? check_preemption_disabled+0x48/0x200 [ 227.786225] 0*512kB [ 227.791757] ? check_preemption_disabled+0x48/0x200 [ 227.793715] 1*1024kB [ 227.798729] ? __lock_is_held+0xb5/0x140 [ 227.801029] (U) [ 227.806048] __alloc_pages_nodemask+0xa80/0xde0 [ 227.808903] 1*2048kB (M) [ 227.812969] ? graph_lock+0x170/0x170 [ 227.814925] 3*4096kB [ 227.819586] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 227.822345] (M) [ 227.826155] ? graph_lock+0x170/0x170 [ 227.828548] = 15908kB [ 227.833566] ? find_held_lock+0x36/0x1c0 [ 227.835518] Node 0 [ 227.839318] ? ____cache_alloc_node+0x1c7/0x1e0 [ 227.841711] DMA32: [ 227.845770] ? lock_downgrade+0x900/0x900 [ 227.847990] 3*4kB [ 227.852657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.854861] (UM) 2*8kB [ 227.859027] cache_grow_begin+0x91/0x8c0 [ 227.861156] (M) [ 227.866687] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.869250] 3*16kB [ 227.873314] fallback_alloc+0x203/0x2e0 [ 227.875260] (UM) [ 227.879666] ____cache_alloc_node+0x1c7/0x1e0 [ 227.881878] 3*32kB (M) [ 227.885861] kmem_cache_alloc_node+0xe3/0x730 [ 227.887898] 3*64kB (UM) [ 227.892402] ? ipv6_get_ifaddr+0x42e/0x620 [ 227.894955] 4*128kB (UM) [ 227.899471] __alloc_skb+0x119/0x770 [ 227.902113] 3*256kB (M) [ 227.906358] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.909604] 4*512kB (M) [ 227.913325] ? skb_scrub_packet+0x490/0x490 [ 227.915976] 3*1024kB [ 227.921250] ? lock_downgrade+0x900/0x900 [ 227.923899] (UM) [ 227.928224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.930604] 1*2048kB (M) [ 227.934770] ? refcount_sub_and_test_checked+0x203/0x310 [ 227.936812] 4*4096kB [ 227.942348] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 227.945079] (M) = 25196kB [ 227.950537] ? addrconf_rs_timer+0x6f0/0x6f0 [ 227.952923] Node 0 [ 227.958379] ndisc_alloc_skb+0x144/0x340 [ 227.961109] Normal: [ 227.965517] ndisc_send_rs+0x331/0x6e0 [ 227.967736] 852*4kB [ 227.971797] addrconf_rs_timer+0x3c0/0x6f0 [ 227.974107] (UMEH) [ 227.977997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.980300] 324*8kB [ 227.984548] call_timer_fn+0x272/0x920 [ 227.986800] (UMEH) [ 227.991058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.993367] 169*16kB (UMEH) [ 227.997286] ? process_timeout+0x40/0x40 [ 227.999509] 81*32kB [ 228.003749] ? find_held_lock+0x36/0x1c0 [ 228.006751] (UMEH) [ 228.010825] ? __run_timers+0x7da/0xc70 [ 228.013119] 31*64kB [ 228.017177] ? _raw_spin_unlock_irq+0x27/0x80 [ 228.019397] (UMH) [ 228.023369] ? _raw_spin_unlock_irq+0x27/0x80 [ 228.025676] 3*128kB (H) [ 228.030178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.032309] 1*256kB [ 228.036801] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 228.039451] (H) [ 228.043680] ? trace_hardirqs_on+0xbd/0x310 [ 228.045982] 0*512kB [ 228.050563] ? kasan_check_read+0x11/0x20 [ 228.052523] 0*1024kB [ 228.056842] ? __run_timers+0x7da/0xc70 [ 228.059141] 0*2048kB [ 228.063284] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 228.065673] 0*4096kB [ 228.069646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.072027] = 13920kB [ 228.072042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 228.077491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.079888] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 228.084118] __run_timers+0x7e5/0xc70 [ 228.086507] 414 total pagecache pages [ 228.095353] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 228.099574] 0 pages in swap cache [ 228.108143] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 228.111930] Swap cache stats: add 0, delete 0, find 0/0 [ 228.115726] ? graph_lock+0x170/0x170 [ 228.121067] Free swap = 0kB [ 228.124512] ? enqueue_hrtimer+0x1a5/0x560 [ 228.129502] Total swap = 0kB [ 228.129524] 1965979 pages RAM [ 228.134901] ? lock_release+0x970/0x970 [ 228.138675] 0 pages HighMem/MovableOnly [ 228.138684] 342744 pages reserved [ 228.141697] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 228.145912] 0 pages cma reserved [ 228.148929] ? find_held_lock+0x36/0x1c0 [ 228.152226] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 228.155992] ? graph_lock+0x170/0x170 [ 228.160176] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 228.163396] ? pvclock_read_flags+0x160/0x160 [ 228.168568] syz-fuzzer cpuset= [ 228.171948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.175982] / [ 228.182477] ? check_preemption_disabled+0x48/0x200 [ 228.186255] mems_allowed=0 [ 228.196500] ? __lock_is_held+0xb5/0x140 [ 228.223423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.229000] ? check_preemption_disabled+0x48/0x200 [ 228.234029] run_timer_softirq+0x52/0xb0 [ 228.238094] ? rcu_read_lock_sched_held+0x108/0x120 [ 228.243117] __do_softirq+0x30b/0xad8 [ 228.246931] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 228.252045] ? pvclock_read_flags+0x160/0x160 [ 228.256540] ? lapic_next_event+0x5a/0x90 [ 228.260691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.266245] ? check_preemption_disabled+0x48/0x200 [ 228.271272] ? check_preemption_disabled+0x48/0x200 [ 228.276310] ? kvm_clock_read+0x18/0x30 [ 228.280288] ? kvm_sched_clock_read+0x9/0x20 [ 228.284700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.290242] ? check_preemption_disabled+0x48/0x200 [ 228.295272] irq_exit+0x17f/0x1c0 [ 228.298731] smp_apic_timer_interrupt+0x1cb/0x760 [ 228.303571] ? smp_reschedule_interrupt+0x109/0x650 [ 228.308592] ? smp_call_function_single_interrupt+0x650/0x650 [ 228.314480] ? interrupt_entry+0xb5/0xf0 [ 228.318546] ? trace_hardirqs_off_caller+0xbb/0x300 [ 228.323561] ? trace_hardirqs_off_caller+0xbb/0x300 [ 228.328576] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.333424] ? trace_hardirqs_off+0x300/0x300 [ 228.337919] ? trace_hardirqs_off+0x300/0x300 [ 228.342417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.347957] ? check_preemption_disabled+0x48/0x200 [ 228.352990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.358535] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.363393] apic_timer_interrupt+0xf/0x20 [ 228.367629] [ 228.369866] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 228.374977] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 228.393892] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 228.401610] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 228.408989] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 228.416254] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 228.423518] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 228.430784] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 228.438097] skb_clone+0x1bb/0x500 [ 228.441642] ? finish_task_switch+0x2f5/0x900 [ 228.446154] ? skb_split+0x11e0/0x11e0 [ 228.450042] ? preempt_notifier_register+0x200/0x200 [ 228.455147] ? __switch_to_asm+0x34/0x70 [ 228.459210] ? __switch_to_asm+0x34/0x70 [ 228.463268] ? __switch_to_asm+0x40/0x70 [ 228.467323] ? __switch_to_asm+0x34/0x70 [ 228.471384] ? __switch_to_asm+0x40/0x70 [ 228.475472] ? __switch_to_asm+0x34/0x70 [ 228.479528] ? __switch_to_asm+0x40/0x70 [ 228.483586] ? __switch_to_asm+0x34/0x70 [ 228.487646] ? __switch_to_asm+0x34/0x70 [ 228.491703] ? __switch_to_asm+0x40/0x70 [ 228.495761] ? __switch_to_asm+0x34/0x70 [ 228.499832] bpf_clone_redirect+0xb9/0x490 [ 228.504072] ? __schedule+0x874/0x1ed0 [ 228.507970] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 228.512994] ? __sched_text_start+0x8/0x8 [ 228.517142] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 228.521926] ? find_held_lock+0x36/0x1c0 [ 228.526021] ? lock_acquire+0x1ed/0x520 [ 228.529994] ? bpf_test_run+0x32e/0x5a0 [ 228.533968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.539523] ? check_preemption_disabled+0x48/0x200 [ 228.544550] ? kasan_check_read+0x11/0x20 [ 228.548703] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.553980] ? rcu_bh_qs+0xc0/0xc0 [ 228.557539] ? preempt_schedule+0x4d/0x60 [ 228.561692] ? ___preempt_schedule+0x16/0x18 [ 228.566110] ? bpf_test_run+0x1c0/0x5a0 [ 228.570099] ? netlink_diag_dump+0x2a0/0x2a0 [ 228.574517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.580054] ? bpf_test_init.isra.9+0x70/0x100 [ 228.584672] ? bpf_prog_test_run_skb+0x634/0xb40 [ 228.589437] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 228.594336] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 228.599895] ? fput+0x130/0x1a0 [ 228.603176] ? __bpf_prog_get+0x9b/0x290 [ 228.607479] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 228.612327] ? bpf_prog_test_run+0x130/0x1a0 [ 228.616738] ? __x64_sys_bpf+0x3d8/0x510 [ 228.620808] ? bpf_prog_get+0x20/0x20 [ 228.624612] ? ksys_ioctl+0x81/0xd0 [ 228.628259] ? do_syscall_64+0x1b9/0x820 [ 228.632326] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 228.637691] ? syscall_return_slowpath+0x5e0/0x5e0 [ 228.642622] ? trace_hardirqs_off+0x300/0x300 [ 228.647119] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 228.652137] ? recalc_sigpending_tsk+0x180/0x180 [ 228.656898] ? kasan_check_write+0x14/0x20 [ 228.661139] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.665994] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 228.671383] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 228.671445] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 228.678318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 228.678327] Call Trace: [ 228.684910] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 228.694159] [ 228.696733] syz-executor7 cpuset= [ 228.707707] dump_stack+0x1c4/0x2b4 [ 228.709835] syz7 [ 228.713285] ? dump_stack_print_info.cold.2+0x52/0x52 [ 228.716896] mems_allowed=0 [ 228.718879] warn_alloc.cold.118+0xb7/0x1bd [ 228.731289] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 228.736137] ? lock_downgrade+0x900/0x900 [ 228.740306] ? trace_hardirqs_off+0xb8/0x300 [ 228.744746] ? trace_hardirqs_off+0xb8/0x300 [ 228.749168] __alloc_pages_slowpath+0x2667/0x2d80 [ 228.754075] ? warn_alloc+0x120/0x120 [ 228.757885] ? mark_held_locks+0x130/0x130 [ 228.762133] ? warn_alloc+0x120/0x120 [ 228.765939] ? print_usage_bug+0xc0/0xc0 [ 228.770001] ? warn_alloc+0x120/0x120 [ 228.773805] ? print_usage_bug+0xc0/0xc0 [ 228.777868] ? run_posix_cpu_timers+0x6b7/0x2540 [ 228.782636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.788182] ? should_fail+0x22d/0xd01 [ 228.792074] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.797182] ? __lock_acquire+0x7ec/0x4ec0 [ 228.801430] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.806539] ? __lock_acquire+0x7ec/0x4ec0 [ 228.811259] ? should_fail+0x22d/0xd01 [ 228.815174] ? mark_held_locks+0x130/0x130 [ 228.819421] ? mark_held_locks+0x130/0x130 [ 228.823665] ? __lock_acquire+0x7ec/0x4ec0 [ 228.827915] ? graph_lock+0x170/0x170 [ 228.831734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.837277] ? check_preemption_disabled+0x48/0x200 [ 228.842293] ? check_preemption_disabled+0x48/0x200 [ 228.847350] ? __lock_is_held+0xb5/0x140 [ 228.851454] __alloc_pages_nodemask+0xa80/0xde0 [ 228.856134] ? graph_lock+0x170/0x170 [ 228.859955] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 228.864967] ? graph_lock+0x170/0x170 [ 228.868795] ? find_held_lock+0x36/0x1c0 [ 228.872896] ? ____cache_alloc_node+0x1c7/0x1e0 [ 228.877568] ? lock_downgrade+0x900/0x900 [ 228.881734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.887281] cache_grow_begin+0x91/0x8c0 [ 228.891345] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.895770] fallback_alloc+0x203/0x2e0 [ 228.899764] ____cache_alloc_node+0x1c7/0x1e0 [ 228.904268] __kmalloc+0x208/0x760 [ 228.908309] ? __neigh_create+0x30b/0x2130 [ 228.912551] __neigh_create+0x30b/0x2130 [ 228.916626] ? trace_hardirqs_on+0xbd/0x310 [ 228.920953] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 228.926497] ? ip6t_do_table+0xd9e/0x1d30 [ 228.930660] ? mark_held_locks+0x130/0x130 [ 228.934898] ? __local_bh_enable_ip+0x160/0x260 [ 228.939582] ? neigh_hash_alloc+0x1e0/0x1e0 [ 228.943910] ? trace_hardirqs_on+0xbd/0x310 [ 228.948237] ? ip6t_do_table+0xd9e/0x1d30 [ 228.952390] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 228.957844] ? trace_hardirqs_on+0xbd/0x310 [ 228.962172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.967713] ? ip6t_do_table+0xd6a/0x1d30 [ 228.971871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.977417] ? check_preemption_disabled+0x48/0x200 [ 228.982433] ? check_preemption_disabled+0x48/0x200 [ 228.987462] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 228.993000] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.998493] ? rcu_pm_notify+0xc0/0xc0 [ 229.002390] ? graph_lock+0x170/0x170 [ 229.006193] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 229.011555] ip6_finish_output2+0xa59/0x27a0 [ 229.015976] ? ip6_copy_metadata+0xe30/0xe30 [ 229.020392] ? ip6_mtu+0x39c/0x520 [ 229.023940] ? lock_downgrade+0x900/0x900 [ 229.028092] ? check_preemption_disabled+0x48/0x200 [ 229.033120] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.038937] ? kasan_check_read+0x11/0x20 [ 229.043094] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.048397] ? rcu_bh_qs+0xc0/0xc0 [ 229.051959] ? ip6_mtu+0x160/0x520 [ 229.055502] ? dst_hold+0x2f0/0x2f0 [ 229.059161] ? kasan_check_read+0x11/0x20 [ 229.063322] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.068608] ? nf_nat_ipv6_out+0x212/0x550 [ 229.072870] ip6_finish_output+0x5fe/0xbc0 [ 229.077114] ? ip6_finish_output+0x5fe/0xbc0 [ 229.081532] ip6_output+0x23e/0xa00 [ 229.085168] ? check_preemption_disabled+0x48/0x200 [ 229.090191] ? ip6_finish_output+0xbc0/0xbc0 [ 229.094604] ? ip6_fragment+0x38c0/0x38c0 [ 229.098756] ? __lock_is_held+0xb5/0x140 [ 229.102838] ndisc_send_skb+0x1005/0x1570 [ 229.107971] ? ndisc_constructor+0xc40/0xc40 [ 229.112391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.117930] ? refcount_sub_and_test_checked+0x203/0x310 [ 229.123392] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 229.128860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.134410] ndisc_send_rs+0x134/0x6e0 [ 229.138310] addrconf_rs_timer+0x3c0/0x6f0 [ 229.142552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.146808] call_timer_fn+0x272/0x920 [ 229.150701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.154944] ? process_timeout+0x40/0x40 [ 229.159004] ? find_held_lock+0x36/0x1c0 [ 229.163089] ? mark_held_locks+0xc7/0x130 [ 229.167244] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.171738] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.176236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.180475] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 229.185074] ? trace_hardirqs_on+0xbd/0x310 [ 229.189410] ? kasan_check_read+0x11/0x20 [ 229.193573] ? __run_timers+0x7da/0xc70 [ 229.197572] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.203056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.207793] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.212034] __run_timers+0x7e5/0xc70 [ 229.215852] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 229.221240] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 229.226261] ? graph_lock+0x170/0x170 [ 229.230081] ? print_usage_bug+0xc0/0xc0 [ 229.234143] ? lock_release+0x970/0x970 [ 229.238136] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 229.243346] ? find_held_lock+0x36/0x1c0 [ 229.247419] ? graph_lock+0x170/0x170 [ 229.251254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.256789] ? check_preemption_disabled+0x48/0x200 [ 229.261820] ? __lock_is_held+0xb5/0x140 [ 229.265896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.271478] ? check_preemption_disabled+0x48/0x200 [ 229.276531] run_timer_softirq+0x52/0xb0 [ 229.280608] ? rcu_read_lock_sched_held+0x108/0x120 [ 229.285639] __do_softirq+0x30b/0xad8 [ 229.289470] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 229.294603] ? pvclock_read_flags+0x160/0x160 [ 229.299102] ? lapic_next_event+0x5a/0x90 [ 229.303255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.309272] ? check_preemption_disabled+0x48/0x200 [ 229.314296] ? check_preemption_disabled+0x48/0x200 [ 229.319334] ? kvm_clock_read+0x18/0x30 [ 229.323320] ? kvm_sched_clock_read+0x9/0x20 [ 229.327738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.333276] ? check_preemption_disabled+0x48/0x200 [ 229.338307] irq_exit+0x17f/0x1c0 [ 229.341766] smp_apic_timer_interrupt+0x1cb/0x760 [ 229.346615] ? smp_reschedule_interrupt+0x109/0x650 [ 229.351644] ? smp_call_function_single_interrupt+0x650/0x650 [ 229.357534] ? interrupt_entry+0xb5/0xf0 [ 229.361617] ? trace_hardirqs_off_caller+0xbb/0x300 [ 229.366636] ? trace_hardirqs_off_caller+0xbb/0x300 [ 229.371663] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.376514] ? trace_hardirqs_off+0x300/0x300 [ 229.381021] ? trace_hardirqs_off+0x300/0x300 [ 229.385524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.391070] ? check_preemption_disabled+0x48/0x200 [ 229.396102] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.400959] apic_timer_interrupt+0xf/0x20 [ 229.405194] [ 229.407949] RIP: 0010:console_unlock+0x1017/0x11a0 [ 229.412900] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 229.431809] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 229.439528] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 229.446800] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 229.454071] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 229.461343] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 229.468619] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 229.475928] ? netconsole_netdev_event+0x280/0x280 [ 229.480876] ? console_unlock+0x100e/0x11a0 [ 229.485233] ? devkmsg_read+0xbb0/0xbb0 [ 229.489209] ? vprintk_emit+0x7f7/0x930 [ 229.493191] ? lock_release+0x970/0x970 [ 229.497187] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.502649] ? vprintk_default+0x28/0x30 [ 229.506732] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.512652] ? kasan_check_write+0x14/0x20 [ 229.516902] ? do_raw_spin_lock+0xc1/0x200 [ 229.521157] vprintk_emit+0x33d/0x930 [ 229.524971] ? wake_up_klogd+0x180/0x180 [ 229.529049] ? find_held_lock+0x36/0x1c0 [ 229.533125] ? mark_held_locks+0xc7/0x130 [ 229.537277] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.541774] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.546291] vprintk_default+0x28/0x30 [ 229.550198] vprintk_func+0x7e/0x181 [ 229.553917] printk+0xa7/0xcf [ 229.557026] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 229.561795] ? _raw_spin_unlock_irq+0x60/0x80 [ 229.566317] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 229.571645] dump_header+0x7cc/0xf72 [ 229.575398] ? pagefault_out_of_memory+0x197/0x197 [ 229.580367] ? __lock_acquire+0x7ec/0x4ec0 [ 229.584629] ? print_usage_bug+0xc0/0xc0 [ 229.588716] ? graph_lock+0x170/0x170 [ 229.592524] ? graph_lock+0x170/0x170 [ 229.596334] ? print_usage_bug+0xc0/0xc0 [ 229.600418] ? print_usage_bug+0xc0/0xc0 [ 229.604499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.610492] ? find_held_lock+0x36/0x1c0 [ 229.614601] ? mark_held_locks+0xc7/0x130 [ 229.618769] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 229.623898] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 229.629030] ? lockdep_hardirqs_on+0x421/0x5c0 [ 229.633631] ? trace_hardirqs_on+0xbd/0x310 [ 229.637969] ? kasan_check_read+0x11/0x20 [ 229.642143] ? ___ratelimit+0x36f/0x655 [ 229.646134] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.651609] ? trace_hardirqs_on+0x310/0x310 [ 229.656035] ? lock_downgrade+0x900/0x900 [ 229.660239] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 229.665362] ? ___ratelimit+0xaa/0x655 [ 229.669282] ? idr_get_free+0xec0/0xec0 [ 229.673284] ? kasan_check_write+0x14/0x20 [ 229.677540] ? do_raw_spin_lock+0xc1/0x200 [ 229.681811] oom_kill_process.cold.27+0x10/0x903 [ 229.686601] ? graph_lock+0x170/0x170 [ 229.690425] ? _raw_spin_unlock+0x2c/0x50 [ 229.694601] ? oom_badness+0xe6/0xaa0 [ 229.698424] ? oom_evaluate_task+0x540/0x540 [ 229.702854] ? find_held_lock+0x36/0x1c0 [ 229.707447] ? out_of_memory+0x974/0x14c0 [ 229.711628] ? lock_downgrade+0x900/0x900 [ 229.715803] ? check_preemption_disabled+0x48/0x200 [ 229.720860] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.726699] ? kasan_check_read+0x11/0x20 [ 229.730879] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.736186] ? rcu_bh_qs+0xc0/0xc0 [ 229.739779] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 229.745344] ? oom_evaluate_task+0x302/0x540 [ 229.749895] out_of_memory+0xa86/0x14c0 [ 229.753912] ? oom_killer_disable+0x3a0/0x3a0 [ 229.758435] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 229.763408] ? __mutex_add_waiter+0x2a0/0x2a0 [ 229.767947] __alloc_pages_slowpath+0x2318/0x2d80 [ 229.772851] ? warn_alloc+0x120/0x120 [ 229.776683] ? __radix_tree_lookup+0x4c0/0x4c0 [ 229.781309] ? find_get_entry+0x2f2/0xc40 [ 229.785493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.791061] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 229.796032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.801616] ? should_fail+0x22d/0xd01 [ 229.805530] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.811089] ? __lock_is_held+0xb5/0x140 [ 229.815196] ? __lock_is_held+0xb5/0x140 [ 229.819283] ? find_held_lock+0x36/0x1c0 [ 229.823366] ? ___might_sleep+0x1ed/0x300 [ 229.827532] ? lock_release+0x970/0x970 [ 229.831522] ? arch_local_save_flags+0x40/0x40 [ 229.836423] ? __might_sleep+0x95/0x190 [ 229.840424] __alloc_pages_nodemask+0xa80/0xde0 [ 229.845118] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 229.850160] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.855979] ? kasan_check_read+0x11/0x20 [ 229.860146] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.865438] ? graph_lock+0x170/0x170 [ 229.869254] ? print_usage_bug+0xc0/0xc0 [ 229.873331] ? graph_lock+0x170/0x170 [ 229.877138] ? graph_lock+0x170/0x170 [ 229.880948] ? __do_page_cache_readahead+0x7ce/0x980 [ 229.886090] ? find_held_lock+0x36/0x1c0 [ 229.890259] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 229.895814] alloc_pages_current+0x10c/0x210 [ 229.900234] ? lock_downgrade+0x900/0x900 [ 229.904407] __page_cache_alloc+0x38f/0x5b0 [ 229.909181] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.915001] ? kasan_check_read+0x11/0x20 [ 229.919171] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.924476] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 229.929169] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.934734] ? check_preemption_disabled+0x48/0x200 [ 229.939786] filemap_fault+0x1594/0x25f0 [ 229.943888] ? __lock_page_or_retry+0xa00/0xa00 [ 229.948634] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.954465] ? kasan_check_read+0x11/0x20 [ 229.958633] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.963930] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 229.969053] ? rcu_bh_qs+0xc0/0xc0 [ 229.972614] ? trace_hardirqs_on+0xbd/0x310 [ 229.976945] ? kasan_check_read+0x11/0x20 [ 229.981101] ? __free_object+0x173/0x340 [ 229.985177] ? filemap_map_pages+0xdea/0x1980 [ 229.989734] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 229.994847] ? __free_object+0x173/0x340 [ 229.998925] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 230.004209] ? debug_object_free+0x325/0x690 [ 230.009123] ? find_get_pages_range_tag+0x1320/0x1320 [ 230.014332] ? graph_lock+0x170/0x170 [ 230.018152] ? kasan_check_read+0x11/0x20 [ 230.022313] ? debug_object_destroy+0x2b0/0x2b0 [ 230.027001] ? lock_acquire+0x1ed/0x520 [ 230.030980] ? ext4_filemap_fault+0x7a/0xad [ 230.035340] ? lock_release+0x970/0x970 [ 230.039320] ? arch_local_save_flags+0x40/0x40 [ 230.043912] ? futex_wait_setup+0x3e0/0x3e0 [ 230.048247] ? down_read+0xb0/0x1d0 [ 230.051875] ? ext4_filemap_fault+0x7a/0xad [ 230.056198] ? __down_interruptible+0x700/0x700 [ 230.060892] ext4_filemap_fault+0x82/0xad [ 230.065050] __do_fault+0x100/0x6b0 [ 230.068682] ? print_bad_pte+0x6c0/0x6c0 [ 230.072752] ? do_futex+0x249/0x26d0 [ 230.076473] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.081933] ? kasan_check_read+0x11/0x20 [ 230.086085] ? pmd_val+0x88/0x100 [ 230.089544] ? add_mm_counter_fast+0xd0/0xd0 [ 230.093959] ? pmd_val+0x88/0x100 [ 230.097413] ? add_mm_counter_fast+0xd0/0xd0 [ 230.101831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.107883] __handle_mm_fault+0x3709/0x53e0 [ 230.112357] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 230.117204] ? graph_lock+0x170/0x170 [ 230.121015] ? print_usage_bug+0xc0/0xc0 [ 230.125078] ? lockdep_hardirqs_on+0x421/0x5c0 [ 230.129667] ? graph_lock+0x170/0x170 [ 230.133467] ? graph_lock+0x170/0x170 [ 230.137297] ? handle_mm_fault+0x42a/0xc70 [ 230.141535] ? lock_downgrade+0x900/0x900 [ 230.145680] ? check_preemption_disabled+0x48/0x200 [ 230.150707] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 230.156506] ? kasan_check_read+0x11/0x20 [ 230.160662] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.165950] ? rcu_bh_qs+0xc0/0xc0 [ 230.169502] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.174969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.180525] ? check_preemption_disabled+0x48/0x200 [ 230.185562] handle_mm_fault+0x54f/0xc70 [ 230.189649] ? __handle_mm_fault+0x53e0/0x53e0 [ 230.194247] ? find_vma+0x34/0x190 [ 230.197804] __do_page_fault+0x67d/0xed0 [ 230.201885] ? mm_fault_error+0x380/0x380 [ 230.206072] ? trace_hardirqs_off+0xb8/0x300 [ 230.211009] ? trace_hardirqs_on+0x310/0x310 [ 230.215431] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.220986] ? trace_hardirqs_on+0x310/0x310 [ 230.225419] do_page_fault+0xf2/0x7e0 [ 230.229237] ? vmalloc_sync_all+0x30/0x30 [ 230.233400] ? error_entry+0x70/0xd0 [ 230.237124] ? trace_hardirqs_off_caller+0xbb/0x300 [ 230.242154] ? trace_hardirqs_on_caller+0xc0/0x300 [ 230.247093] ? syscall_return_slowpath+0x5e0/0x5e0 [ 230.252625] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.257487] ? trace_hardirqs_off+0x300/0x300 [ 230.261991] ? trace_hardirqs_off_caller+0x300/0x300 [ 230.267119] ? prepare_exit_to_usermode+0x291/0x3b0 [ 230.272152] ? page_fault+0x8/0x30 [ 230.275706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.280585] ? page_fault+0x8/0x30 [ 230.284160] page_fault+0x1e/0x30 [ 230.287619] RIP: 0033:0x45ddf3 [ 230.290816] Code: Bad RIP value. [ 230.294178] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 230.299547] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 230.306831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 230.314502] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 230.321789] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 230.329058] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 230.336385] warn_alloc_show_mem: 1 callbacks suppressed [ 230.336398] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 230.336400] Mem-Info: [ 230.336428] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 230.336428] active_file:16 inactive_file:19 isolated_file:0 [ 230.336428] unevictable:0 dirty:0 writeback:0 unstable:0 [ 230.336428] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 230.336428] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 230.336428] free:13708 free_pcp:124 free_cma:0 [ 230.341795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.349010] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 230.351420] Call Trace: [ 230.384299] Node 0 [ 230.393657] [ 230.421782] 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 [ 230.424345] dump_stack+0x1c4/0x2b4 [ 230.426557] lowmem_reserve[]: [ 230.428708] ? dump_stack_print_info.cold.2+0x52/0x52 [ 230.454184] 0 2817 [ 230.457837] warn_alloc.cold.118+0xb7/0x1bd [ 230.460903] 6321 6321 [ 230.466097] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 230.468326] Node 0 [ 230.472642] ? lock_downgrade+0x900/0x900 [ 230.475143] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 230.479958] ? trace_hardirqs_off+0xb8/0x300 [ 230.482167] lowmem_reserve[]: 0 [ 230.486323] ? trace_hardirqs_off+0xb8/0x300 [ 230.513448] 0 3503 [ 230.517902] __alloc_pages_slowpath+0x2667/0x2d80 [ 230.521149] 3503 [ 230.525593] ? warn_alloc+0x120/0x120 [ 230.532631] ? trace_hardirqs_on+0x310/0x310 [ 230.534670] Node 0 [ 230.538469] ? warn_alloc+0x120/0x120 [ 230.542880] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 230.545096] ? print_usage_bug+0xc0/0xc0 [ 230.548865] lowmem_reserve[]: 0 [ 230.577090] ? warn_alloc+0x120/0x120 [ 230.581136] 0 [ 230.584425] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 230.588196] 0 [ 230.589994] ? print_usage_bug+0xc0/0xc0 [ 230.594985] 0 [ 230.596787] ? __lock_acquire+0x7ec/0x4ec0 [ 230.602628] ? __lock_acquire+0x7ec/0x4ec0 [ 230.606838] Node 0 DMA: [ 230.611072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.611089] ? should_fail+0x22d/0xd01 [ 230.613744] 1*4kB [ 230.619279] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.623141] (U) [ 230.625289] ? __lock_acquire+0x7ec/0x4ec0 [ 230.630367] 0*8kB [ 230.632355] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.636567] 0*16kB [ 230.638712] ? __lock_acquire+0x7ec/0x4ec0 [ 230.643788] 1*32kB (U) [ 230.646045] ? should_fail+0x22d/0xd01 [ 230.650259] 2*64kB [ 230.652842] ? print_usage_bug+0xc0/0xc0 [ 230.656703] (U) [ 230.658942] ? mark_held_locks+0x130/0x130 [ 230.662984] 1*128kB [ 230.664958] ? mark_held_locks+0x130/0x130 [ 230.669179] (U) [ 230.671507] ? graph_lock+0x170/0x170 [ 230.675727] 1*256kB [ 230.677698] ? print_usage_bug+0xc0/0xc0 [ 230.681473] (U) [ 230.683798] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.687838] 0*512kB [ 230.689821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.694553] 1*1024kB [ 230.696881] ? check_preemption_disabled+0x48/0x200 [ 230.702378] (U) 1*2048kB [ 230.704791] ? check_preemption_disabled+0x48/0x200 [ 230.710295] (M) [ 230.713060] ? __lock_is_held+0xb5/0x140 [ 230.718036] 3*4096kB (M) [ 230.720020] __alloc_pages_nodemask+0xa80/0xde0 [ 230.724058] = 15908kB [ 230.726808] ? graph_lock+0x170/0x170 [ 230.731463] Node 0 [ 230.733890] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 230.737657] DMA32: 3*4kB [ 230.739903] ? graph_lock+0x170/0x170 [ 230.744897] (UM) [ 230.747657] ? find_held_lock+0x36/0x1c0 [ 230.751438] 2*8kB [ 230.753506] ? ____cache_alloc_node+0x1c7/0x1e0 [ 230.757534] (M) [ 230.759696] ? lock_downgrade+0x900/0x900 [ 230.764334] 3*16kB (UM) [ 230.766338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.770470] 3*32kB [ 230.773138] cache_grow_begin+0x91/0x8c0 [ 230.778647] (M) 3*64kB [ 230.780896] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.784934] (UM) [ 230.787521] fallback_alloc+0x203/0x2e0 [ 230.791901] 4*128kB [ 230.793963] ____cache_alloc_node+0x1c7/0x1e0 [ 230.797912] (UM) [ 230.800244] kmem_cache_alloc_node+0xe3/0x730 [ 230.804709] 3*256kB (M) [ 230.806786] ? ipv6_get_ifaddr+0x42e/0x620 [ 230.811766] 4*512kB (M) [ 230.814451] __alloc_skb+0x119/0x770 [ 230.818659] 3*1024kB [ 230.821332] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.825020] (UM) [ 230.827427] ? skb_scrub_packet+0x490/0x490 [ 230.832675] 1*2048kB (M) [ 230.834750] ? lock_downgrade+0x900/0x900 [ 230.839044] 4*4096kB (M) [ 230.841814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.845933] = 25196kB [ 230.848693] ? refcount_sub_and_test_checked+0x203/0x310 [ 230.854207] Node 0 [ 230.856624] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 230.862042] Normal: 852*4kB [ 230.864293] ? addrconf_rs_timer+0x6f0/0x6f0 [ 230.869724] (UMEH) [ 230.872756] ndisc_alloc_skb+0x144/0x340 [ 230.877130] 324*8kB (UMEH) [ 230.879382] ndisc_send_rs+0x331/0x6e0 [ 230.883423] 169*16kB [ 230.886358] addrconf_rs_timer+0x3c0/0x6f0 [ 230.890310] (UMEH) [ 230.892723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.896927] 81*32kB (UMEH) [ 230.899183] call_timer_fn+0x272/0x920 [ 230.903393] 31*64kB [ 230.906323] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.910638] (UMH) 3*128kB [ 230.912977] ? process_timeout+0x40/0x40 [ 230.917178] (H) 1*256kB [ 230.920031] ? find_held_lock+0x36/0x1c0 [ 230.924068] (H) [ 230.926745] ? __run_timers+0x7da/0xc70 [ 230.930769] 0*512kB 0*1024kB [ 230.932770] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.936713] 0*2048kB 0*4096kB [ 230.939861] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.944331] = 13920kB [ 230.944346] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 230.947537] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.952013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 230.954422] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 230.963239] 414 total pagecache pages [ 230.967479] ? trace_hardirqs_on+0xbd/0x310 [ 230.976039] 0 pages in swap cache [ 230.980612] ? kasan_check_read+0x11/0x20 [ 230.984392] Swap cache stats: add 0, delete 0, find 0/0 [ 230.988709] ? __run_timers+0x7da/0xc70 [ 230.992141] Free swap = 0kB [ 230.996830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.002186] Total swap = 0kB [ 231.006156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.009343] 1965979 pages RAM [ 231.014794] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.017782] 0 pages HighMem/MovableOnly [ 231.017792] 342744 pages reserved [ 231.022025] __run_timers+0x7e5/0xc70 [ 231.025107] 0 pages cma reserved [ 231.029348] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 231.033585] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.036745] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 231.040526] syz-fuzzer cpuset= [ 231.043895] ? graph_lock+0x170/0x170 [ 231.049243] / [ 231.059458] ? enqueue_hrtimer+0x1a5/0x560 [ 231.064456] mems_allowed=0 [ 231.067638] ? lock_release+0x970/0x970 [ 231.084214] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 231.089438] ? find_held_lock+0x36/0x1c0 [ 231.093502] ? graph_lock+0x170/0x170 [ 231.097308] ? pvclock_read_flags+0x160/0x160 [ 231.101805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.107564] ? check_preemption_disabled+0x48/0x200 [ 231.112596] ? __lock_is_held+0xb5/0x140 [ 231.116663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.122201] ? check_preemption_disabled+0x48/0x200 [ 231.127225] run_timer_softirq+0x52/0xb0 [ 231.131283] ? rcu_read_lock_sched_held+0x108/0x120 [ 231.136303] __do_softirq+0x30b/0xad8 [ 231.140131] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 231.145239] ? pvclock_read_flags+0x160/0x160 [ 231.149741] ? lapic_next_event+0x5a/0x90 [ 231.153897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.159436] ? check_preemption_disabled+0x48/0x200 [ 231.164452] ? check_preemption_disabled+0x48/0x200 [ 231.169472] ? kvm_clock_read+0x18/0x30 [ 231.173443] ? kvm_sched_clock_read+0x9/0x20 [ 231.177854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.183397] ? check_preemption_disabled+0x48/0x200 [ 231.188431] irq_exit+0x17f/0x1c0 [ 231.191895] smp_apic_timer_interrupt+0x1cb/0x760 [ 231.196741] ? smp_reschedule_interrupt+0x109/0x650 [ 231.201758] ? smp_call_function_single_interrupt+0x650/0x650 [ 231.207658] ? interrupt_entry+0xb5/0xf0 [ 231.211720] ? trace_hardirqs_off_caller+0xbb/0x300 [ 231.216736] ? trace_hardirqs_off_caller+0xbb/0x300 [ 231.221783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.226621] ? trace_hardirqs_off+0x300/0x300 [ 231.231111] ? trace_hardirqs_off+0x300/0x300 [ 231.235606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.241149] ? check_preemption_disabled+0x48/0x200 [ 231.246165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.251708] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.256560] apic_timer_interrupt+0xf/0x20 [ 231.260789] [ 231.263027] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 231.267953] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 231.286853] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 231.294569] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 231.301832] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 231.309103] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 231.316367] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 231.323631] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 231.330940] skb_clone+0x1bb/0x500 [ 231.334479] ? finish_task_switch+0x2f5/0x900 [ 231.338977] ? skb_split+0x11e0/0x11e0 [ 231.342868] ? preempt_notifier_register+0x200/0x200 [ 231.347974] ? __switch_to_asm+0x34/0x70 [ 231.352047] ? __switch_to_asm+0x34/0x70 [ 231.356114] ? __switch_to_asm+0x40/0x70 [ 231.360169] ? __switch_to_asm+0x34/0x70 [ 231.364224] ? __switch_to_asm+0x40/0x70 [ 231.368281] ? __switch_to_asm+0x34/0x70 [ 231.372345] ? __switch_to_asm+0x40/0x70 [ 231.376404] ? __switch_to_asm+0x34/0x70 [ 231.380461] ? __switch_to_asm+0x34/0x70 [ 231.384533] ? __switch_to_asm+0x40/0x70 [ 231.388591] ? __switch_to_asm+0x34/0x70 [ 231.392661] bpf_clone_redirect+0xb9/0x490 [ 231.396900] ? __schedule+0x874/0x1ed0 [ 231.400794] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 231.405827] ? __sched_text_start+0x8/0x8 [ 231.410085] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.414859] ? find_held_lock+0x36/0x1c0 [ 231.418933] ? lock_acquire+0x1ed/0x520 [ 231.422906] ? bpf_test_run+0x32e/0x5a0 [ 231.426891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.432436] ? check_preemption_disabled+0x48/0x200 [ 231.437456] ? kasan_check_read+0x11/0x20 [ 231.441606] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.446901] ? rcu_bh_qs+0xc0/0xc0 [ 231.450452] ? preempt_schedule+0x4d/0x60 [ 231.454602] ? ___preempt_schedule+0x16/0x18 [ 231.459021] ? bpf_test_run+0x1c0/0x5a0 [ 231.463020] ? netlink_diag_dump+0x2a0/0x2a0 [ 231.467460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.472993] ? bpf_test_init.isra.9+0x70/0x100 [ 231.477580] ? bpf_prog_test_run_skb+0x634/0xb40 [ 231.482339] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.487176] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 231.492709] ? fput+0x130/0x1a0 [ 231.495989] ? __bpf_prog_get+0x9b/0x290 [ 231.500049] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.504894] ? bpf_prog_test_run+0x130/0x1a0 [ 231.509309] ? __x64_sys_bpf+0x3d8/0x510 [ 231.513380] ? bpf_prog_get+0x20/0x20 [ 231.517186] ? ksys_ioctl+0x81/0xd0 [ 231.520838] ? do_syscall_64+0x1b9/0x820 [ 231.524907] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 231.530359] ? syscall_return_slowpath+0x5e0/0x5e0 [ 231.535289] ? trace_hardirqs_off+0x300/0x300 [ 231.539781] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 231.544792] ? recalc_sigpending_tsk+0x180/0x180 [ 231.549547] ? kasan_check_write+0x14/0x20 [ 231.553786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.558635] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 231.564013] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 231.564081] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.570949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.570955] Call Trace: [ 231.570961] [ 231.570977] dump_stack+0x1c4/0x2b4 [ 231.570998] ? dump_stack_print_info.cold.2+0x52/0x52 [ 231.577529] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.586830] warn_alloc.cold.118+0xb7/0x1bd [ 231.589386] syz-executor7 cpuset= [ 231.591535] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.595134] syz7 [ 231.600315] ? lock_downgrade+0x900/0x900 [ 231.611005] mems_allowed=0 [ 231.632655] ? trace_hardirqs_off+0xb8/0x300 [ 231.637070] ? trace_hardirqs_off+0xb8/0x300 [ 231.641484] __alloc_pages_slowpath+0x2667/0x2d80 [ 231.646358] ? warn_alloc+0x120/0x120 [ 231.650169] ? warn_alloc+0x120/0x120 [ 231.653990] ? print_usage_bug+0xc0/0xc0 [ 231.658063] ? warn_alloc+0x120/0x120 [ 231.661886] ? print_usage_bug+0xc0/0xc0 [ 231.665944] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 231.671145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.676682] ? should_fail+0x22d/0xd01 [ 231.680586] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.685687] ? __lock_acquire+0x7ec/0x4ec0 [ 231.689935] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.695032] ? __lock_acquire+0x7ec/0x4ec0 [ 231.699275] ? should_fail+0x22d/0xd01 [ 231.703194] ? mark_held_locks+0x130/0x130 [ 231.707949] ? mark_held_locks+0x130/0x130 [ 231.712183] ? graph_lock+0x170/0x170 [ 231.715988] ? graph_lock+0x170/0x170 [ 231.719810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.725365] ? check_preemption_disabled+0x48/0x200 [ 231.730388] ? check_preemption_disabled+0x48/0x200 [ 231.735417] ? __lock_is_held+0xb5/0x140 [ 231.739483] __alloc_pages_nodemask+0xa80/0xde0 [ 231.744151] ? graph_lock+0x170/0x170 [ 231.747955] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 231.752966] ? graph_lock+0x170/0x170 [ 231.756779] ? find_held_lock+0x36/0x1c0 [ 231.760848] ? ____cache_alloc_node+0x1c7/0x1e0 [ 231.765529] ? lock_downgrade+0x900/0x900 [ 231.769690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.775230] cache_grow_begin+0x91/0x8c0 [ 231.779304] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.783723] fallback_alloc+0x203/0x2e0 [ 231.787702] ____cache_alloc_node+0x1c7/0x1e0 [ 231.792200] __kmalloc+0x208/0x760 [ 231.795746] ? __neigh_create+0x30b/0x2130 [ 231.799994] __neigh_create+0x30b/0x2130 [ 231.804056] ? trace_hardirqs_on+0xbd/0x310 [ 231.808730] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 231.814271] ? ip6t_do_table+0xd9e/0x1d30 [ 231.818426] ? mark_held_locks+0x130/0x130 [ 231.822664] ? __local_bh_enable_ip+0x160/0x260 [ 231.827332] ? neigh_hash_alloc+0x1e0/0x1e0 [ 231.831656] ? trace_hardirqs_on+0xbd/0x310 [ 231.835979] ? ip6t_do_table+0xd9e/0x1d30 [ 231.840127] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.845577] ? trace_hardirqs_on+0xbd/0x310 [ 231.849914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.855452] ? ip6t_do_table+0xd6a/0x1d30 [ 231.859615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.865156] ? check_preemption_disabled+0x48/0x200 [ 231.870195] ? check_preemption_disabled+0x48/0x200 [ 231.875237] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 231.880787] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.886071] ? rcu_pm_notify+0xc0/0xc0 [ 231.889958] ? graph_lock+0x170/0x170 [ 231.893763] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 231.898966] ip6_finish_output2+0xa59/0x27a0 [ 231.903397] ? ip6_copy_metadata+0xe30/0xe30 [ 231.908313] ? ip6_mtu+0x39c/0x520 [ 231.911857] ? lock_downgrade+0x900/0x900 [ 231.916025] ? check_preemption_disabled+0x48/0x200 [ 231.921050] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 231.926852] ? kasan_check_read+0x11/0x20 [ 231.931012] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.936300] ? rcu_bh_qs+0xc0/0xc0 [ 231.939850] ? ip6_mtu+0x160/0x520 [ 231.943414] ? dst_hold+0x2f0/0x2f0 [ 231.947042] ? kasan_check_read+0x11/0x20 [ 231.951220] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.956494] ? nf_nat_ipv6_out+0x212/0x550 [ 231.960733] ip6_finish_output+0x5fe/0xbc0 [ 231.964970] ? ip6_finish_output+0x5fe/0xbc0 [ 231.969390] ip6_output+0x23e/0xa00 [ 231.973021] ? check_preemption_disabled+0x48/0x200 [ 231.978047] ? ip6_finish_output+0xbc0/0xbc0 [ 231.982487] ? ip6_fragment+0x38c0/0x38c0 [ 231.986634] ? __lock_is_held+0xb5/0x140 [ 231.990727] ndisc_send_skb+0x1005/0x1570 [ 231.994883] ? ndisc_constructor+0xc40/0xc40 [ 231.999300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.004838] ? refcount_sub_and_test_checked+0x203/0x310 [ 232.010742] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 232.016244] ndisc_send_rs+0x134/0x6e0 [ 232.020140] addrconf_rs_timer+0x3c0/0x6f0 [ 232.024387] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.028642] call_timer_fn+0x272/0x920 [ 232.032530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.036791] ? process_timeout+0x40/0x40 [ 232.040847] ? find_held_lock+0x36/0x1c0 [ 232.044918] ? mark_held_locks+0xc7/0x130 [ 232.049068] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.053604] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.058099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.062329] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 232.066914] ? trace_hardirqs_on+0xbd/0x310 [ 232.071253] ? kasan_check_read+0x11/0x20 [ 232.075414] ? __run_timers+0x7da/0xc70 [ 232.079395] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.084850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.089093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.093331] __run_timers+0x7e5/0xc70 [ 232.097145] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 232.102511] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 232.108048] ? graph_lock+0x170/0x170 [ 232.111853] ? print_usage_bug+0xc0/0xc0 [ 232.115945] ? lock_release+0x970/0x970 [ 232.119920] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 232.125119] ? find_held_lock+0x36/0x1c0 [ 232.129189] ? graph_lock+0x170/0x170 [ 232.132992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.138544] ? check_preemption_disabled+0x48/0x200 [ 232.143635] ? __lock_is_held+0xb5/0x140 [ 232.147718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.153258] ? check_preemption_disabled+0x48/0x200 [ 232.158309] run_timer_softirq+0x52/0xb0 [ 232.162368] ? rcu_read_lock_sched_held+0x108/0x120 [ 232.167396] __do_softirq+0x30b/0xad8 [ 232.171212] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 232.176333] ? pvclock_read_flags+0x160/0x160 [ 232.180837] ? lapic_next_event+0x5a/0x90 [ 232.185002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.190544] ? check_preemption_disabled+0x48/0x200 [ 232.195572] ? check_preemption_disabled+0x48/0x200 [ 232.200608] ? kvm_clock_read+0x18/0x30 [ 232.204590] ? kvm_sched_clock_read+0x9/0x20 [ 232.209547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.215093] ? check_preemption_disabled+0x48/0x200 [ 232.220120] irq_exit+0x17f/0x1c0 [ 232.223577] smp_apic_timer_interrupt+0x1cb/0x760 [ 232.228432] ? smp_reschedule_interrupt+0x109/0x650 [ 232.233452] ? smp_call_function_single_interrupt+0x650/0x650 [ 232.239361] ? interrupt_entry+0xb5/0xf0 [ 232.243430] ? trace_hardirqs_off_caller+0xbb/0x300 [ 232.248440] ? trace_hardirqs_off_caller+0xbb/0x300 [ 232.253460] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.258314] ? trace_hardirqs_off+0x300/0x300 [ 232.262842] ? trace_hardirqs_off+0x300/0x300 [ 232.267337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.272895] ? check_preemption_disabled+0x48/0x200 [ 232.277923] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.282778] apic_timer_interrupt+0xf/0x20 [ 232.287048] [ 232.289303] RIP: 0010:console_unlock+0x1017/0x11a0 [ 232.294236] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 232.313611] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 232.321321] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 232.328597] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 232.335863] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 232.343129] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 232.350399] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 232.357686] ? netconsole_netdev_event+0x280/0x280 [ 232.362625] ? console_unlock+0x100e/0x11a0 [ 232.366966] ? devkmsg_read+0xbb0/0xbb0 [ 232.370950] ? vprintk_emit+0x7f7/0x930 [ 232.374930] ? lock_release+0x970/0x970 [ 232.378912] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.384368] ? vprintk_default+0x28/0x30 [ 232.388526] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.393990] ? kasan_check_write+0x14/0x20 [ 232.398226] ? do_raw_spin_lock+0xc1/0x200 [ 232.402484] vprintk_emit+0x33d/0x930 [ 232.406290] ? wake_up_klogd+0x180/0x180 [ 232.410835] ? find_held_lock+0x36/0x1c0 [ 232.414910] ? mark_held_locks+0xc7/0x130 [ 232.419061] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.423554] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.428065] vprintk_default+0x28/0x30 [ 232.431964] vprintk_func+0x7e/0x181 [ 232.435685] printk+0xa7/0xcf [ 232.438794] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 232.443557] ? _raw_spin_unlock_irq+0x60/0x80 [ 232.448074] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 232.453363] dump_header+0x7cc/0xf72 [ 232.457098] ? pagefault_out_of_memory+0x197/0x197 [ 232.462037] ? __lock_acquire+0x7ec/0x4ec0 [ 232.466280] ? print_usage_bug+0xc0/0xc0 [ 232.470356] ? graph_lock+0x170/0x170 [ 232.474157] ? graph_lock+0x170/0x170 [ 232.477959] ? print_usage_bug+0xc0/0xc0 [ 232.482026] ? print_usage_bug+0xc0/0xc0 [ 232.486089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.491634] ? find_held_lock+0x36/0x1c0 [ 232.495708] ? mark_held_locks+0xc7/0x130 [ 232.499860] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 232.504960] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 232.510565] ? lockdep_hardirqs_on+0x421/0x5c0 [ 232.515157] ? trace_hardirqs_on+0xbd/0x310 [ 232.519500] ? kasan_check_read+0x11/0x20 [ 232.523649] ? ___ratelimit+0x36f/0x655 [ 232.527627] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.533081] ? trace_hardirqs_on+0x310/0x310 [ 232.537492] ? lock_downgrade+0x900/0x900 [ 232.541650] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 232.546752] ? ___ratelimit+0xaa/0x655 [ 232.550644] ? idr_get_free+0xec0/0xec0 [ 232.554622] ? kasan_check_write+0x14/0x20 [ 232.558857] ? do_raw_spin_lock+0xc1/0x200 [ 232.563113] oom_kill_process.cold.27+0x10/0x903 [ 232.567897] ? graph_lock+0x170/0x170 [ 232.571710] ? _raw_spin_unlock+0x2c/0x50 [ 232.575859] ? oom_badness+0xe6/0xaa0 [ 232.579665] ? oom_evaluate_task+0x540/0x540 [ 232.584076] ? find_held_lock+0x36/0x1c0 [ 232.588158] ? out_of_memory+0x974/0x14c0 [ 232.592306] ? lock_downgrade+0x900/0x900 [ 232.596453] ? check_preemption_disabled+0x48/0x200 [ 232.601474] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.607779] ? kasan_check_read+0x11/0x20 [ 232.611930] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.617205] ? rcu_bh_qs+0xc0/0xc0 [ 232.620767] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 232.626304] ? oom_evaluate_task+0x302/0x540 [ 232.630723] out_of_memory+0xa86/0x14c0 [ 232.634709] ? oom_killer_disable+0x3a0/0x3a0 [ 232.639205] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 232.644137] ? __mutex_add_waiter+0x2a0/0x2a0 [ 232.648663] __alloc_pages_slowpath+0x2318/0x2d80 [ 232.653534] ? warn_alloc+0x120/0x120 [ 232.657332] ? __radix_tree_lookup+0x4c0/0x4c0 [ 232.661929] ? find_get_entry+0x2f2/0xc40 [ 232.666083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.671627] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 232.676563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.682120] ? should_fail+0x22d/0xd01 [ 232.686015] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.691119] ? __lock_is_held+0xb5/0x140 [ 232.695209] ? __lock_is_held+0xb5/0x140 [ 232.699276] ? find_held_lock+0x36/0x1c0 [ 232.703338] ? ___might_sleep+0x1ed/0x300 [ 232.707953] ? lock_release+0x970/0x970 [ 232.711929] ? arch_local_save_flags+0x40/0x40 [ 232.716521] ? __might_sleep+0x95/0x190 [ 232.720522] __alloc_pages_nodemask+0xa80/0xde0 [ 232.725201] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 232.730219] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.736019] ? kasan_check_read+0x11/0x20 [ 232.740169] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.745447] ? graph_lock+0x170/0x170 [ 232.749248] ? print_usage_bug+0xc0/0xc0 [ 232.753313] ? graph_lock+0x170/0x170 [ 232.757114] ? graph_lock+0x170/0x170 [ 232.760919] ? __do_page_cache_readahead+0x7ce/0x980 [ 232.766030] ? find_held_lock+0x36/0x1c0 [ 232.770098] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 232.775638] alloc_pages_current+0x10c/0x210 [ 232.780046] ? lock_downgrade+0x900/0x900 [ 232.784197] __page_cache_alloc+0x38f/0x5b0 [ 232.788529] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.794327] ? kasan_check_read+0x11/0x20 [ 232.798476] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.803757] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 232.808912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.814448] ? check_preemption_disabled+0x48/0x200 [ 232.819469] filemap_fault+0x1594/0x25f0 [ 232.823540] ? __lock_page_or_retry+0xa00/0xa00 [ 232.828208] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.834030] ? kasan_check_read+0x11/0x20 [ 232.838178] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.843455] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 232.848560] ? rcu_bh_qs+0xc0/0xc0 [ 232.852114] ? trace_hardirqs_on+0xbd/0x310 [ 232.856433] ? kasan_check_read+0x11/0x20 [ 232.860575] ? __free_object+0x173/0x340 [ 232.864651] ? filemap_map_pages+0xdea/0x1980 [ 232.869157] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 232.874257] ? __free_object+0x173/0x340 [ 232.878321] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 232.883600] ? debug_object_free+0x325/0x690 [ 232.888010] ? find_get_pages_range_tag+0x1320/0x1320 [ 232.893203] ? graph_lock+0x170/0x170 [ 232.897011] ? kasan_check_read+0x11/0x20 [ 232.901164] ? debug_object_destroy+0x2b0/0x2b0 [ 232.905846] ? lock_acquire+0x1ed/0x520 [ 232.909999] ? ext4_filemap_fault+0x7a/0xad [ 232.914330] ? lock_release+0x970/0x970 [ 232.918315] ? arch_local_save_flags+0x40/0x40 [ 232.922903] ? futex_wait_setup+0x3e0/0x3e0 [ 232.927240] ? down_read+0xb0/0x1d0 [ 232.930865] ? ext4_filemap_fault+0x7a/0xad [ 232.935205] ? __down_interruptible+0x700/0x700 [ 232.939893] ext4_filemap_fault+0x82/0xad [ 232.944047] __do_fault+0x100/0x6b0 [ 232.947682] ? print_bad_pte+0x6c0/0x6c0 [ 232.951746] ? do_futex+0x249/0x26d0 [ 232.955458] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.960927] ? kasan_check_read+0x11/0x20 [ 232.965072] ? pmd_val+0x88/0x100 [ 232.968526] ? add_mm_counter_fast+0xd0/0xd0 [ 232.972933] ? pmd_val+0x88/0x100 [ 232.976392] ? add_mm_counter_fast+0xd0/0xd0 [ 232.980806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.986350] __handle_mm_fault+0x3709/0x53e0 [ 232.990773] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 232.995826] ? graph_lock+0x170/0x170 [ 232.999620] ? print_usage_bug+0xc0/0xc0 [ 233.003718] ? lockdep_hardirqs_on+0x421/0x5c0 [ 233.008548] ? graph_lock+0x170/0x170 [ 233.012355] ? graph_lock+0x170/0x170 [ 233.016190] ? handle_mm_fault+0x42a/0xc70 [ 233.020431] ? lock_downgrade+0x900/0x900 [ 233.024577] ? check_preemption_disabled+0x48/0x200 [ 233.029610] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 233.035408] ? kasan_check_read+0x11/0x20 [ 233.039568] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.044852] ? rcu_bh_qs+0xc0/0xc0 [ 233.048394] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.053859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.059404] ? check_preemption_disabled+0x48/0x200 [ 233.064442] handle_mm_fault+0x54f/0xc70 [ 233.068530] ? __handle_mm_fault+0x53e0/0x53e0 [ 233.073119] ? find_vma+0x34/0x190 [ 233.076666] __do_page_fault+0x67d/0xed0 [ 233.080735] ? mm_fault_error+0x380/0x380 [ 233.084879] ? trace_hardirqs_off+0xb8/0x300 [ 233.089292] ? trace_hardirqs_on+0x310/0x310 [ 233.093726] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 233.099089] ? trace_hardirqs_on+0x310/0x310 [ 233.103973] do_page_fault+0xf2/0x7e0 [ 233.107909] ? vmalloc_sync_all+0x30/0x30 [ 233.112064] ? error_entry+0x70/0xd0 [ 233.115798] ? trace_hardirqs_off_caller+0xbb/0x300 [ 233.120815] ? trace_hardirqs_on_caller+0xc0/0x300 [ 233.125746] ? syscall_return_slowpath+0x5e0/0x5e0 [ 233.130675] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.135522] ? trace_hardirqs_off+0x300/0x300 [ 233.140015] ? trace_hardirqs_off_caller+0x300/0x300 [ 233.145121] ? prepare_exit_to_usermode+0x291/0x3b0 [ 233.150135] ? page_fault+0x8/0x30 [ 233.153679] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.158547] ? page_fault+0x8/0x30 [ 233.162093] page_fault+0x1e/0x30 [ 233.165552] RIP: 0033:0x45ddf3 [ 233.168748] Code: Bad RIP value. [ 233.172110] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 233.177473] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 233.184742] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 233.192011] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 233.199276] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 233.206542] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 233.214348] warn_alloc_show_mem: 1 callbacks suppressed [ 233.214360] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 233.214362] Mem-Info: [ 233.214400] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 233.214400] active_file:16 inactive_file:19 isolated_file:0 [ 233.214400] unevictable:0 dirty:0 writeback:0 unstable:0 [ 233.214400] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 233.214400] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 233.214400] free:13708 free_pcp:124 free_cma:0 [ 233.219732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.219741] Call Trace: [ 233.226935] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 233.229344] [ 233.262221] Node 0 [ 233.271582] dump_stack+0x1c4/0x2b4 [ 233.274179] 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 [ 233.301827] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.303954] lowmem_reserve[]: [ 233.306212] warn_alloc.cold.118+0xb7/0x1bd [ 233.310288] 0 2817 [ 233.335802] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.340965] 6321 [ 233.344067] ? lock_downgrade+0x900/0x900 [ 233.348370] 6321 [ 233.350622] ? trace_hardirqs_off+0xb8/0x300 [ 233.355452] Node 0 [ 233.357528] ? trace_hardirqs_off+0xb8/0x300 [ 233.361676] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 233.363714] __alloc_pages_slowpath+0x2667/0x2d80 [ 233.368085] lowmem_reserve[]: 0 [ 233.370362] ? warn_alloc+0x120/0x120 [ 233.374730] 0 [ 233.401703] ? warn_alloc+0x120/0x120 [ 233.406515] 3503 3503 [ 233.409799] ? print_usage_bug+0xc0/0xc0 [ 233.413578] Node 0 [ 233.415386] ? warn_alloc+0x120/0x120 [ 233.415403] ? print_usage_bug+0xc0/0xc0 [ 233.419208] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 233.421676] ? __lock_acquire+0x7ec/0x4ec0 [ 233.425708] lowmem_reserve[]: 0 [ 233.427974] ? __lock_acquire+0x7ec/0x4ec0 [ 233.431748] 0 0 [ 233.435813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.463977] 0 [ 233.468235] ? should_fail+0x22d/0xd01 [ 233.471487] Node 0 [ 233.475715] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.477663] DMA: 1*4kB [ 233.483203] ? __lock_acquire+0x7ec/0x4ec0 [ 233.484986] (U) [ 233.489046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.491286] 0*8kB [ 233.496416] ? __lock_acquire+0x7ec/0x4ec0 [ 233.498981] 0*16kB [ 233.503212] ? should_fail+0x22d/0xd01 [ 233.505161] 1*32kB (U) [ 233.510299] ? mark_held_locks+0x130/0x130 [ 233.512430] 2*64kB (U) [ 233.516722] ? mark_held_locks+0x130/0x130 [ 233.518935] 1*128kB (U) [ 233.522829] ? graph_lock+0x170/0x170 [ 233.525390] 1*256kB (U) [ 233.529639] ? graph_lock+0x170/0x170 [ 233.532201] 0*512kB [ 233.536429] ? graph_lock+0x170/0x170 [ 233.539072] 1*1024kB (U) [ 233.542886] ? print_usage_bug+0xc0/0xc0 [ 233.545525] 1*2048kB (M) [ 233.549333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.551629] 3*4096kB (M) [ 233.555428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.558156] = 15908kB [ 233.558166] Node 0 [ 233.562226] ? check_preemption_disabled+0x48/0x200 [ 233.564992] DMA32: [ 233.570539] ? check_preemption_disabled+0x48/0x200 [ 233.573273] 3*4kB [ 233.578831] ? __lock_is_held+0xb5/0x140 [ 233.581227] (UM) [ 233.583463] __alloc_pages_nodemask+0xa80/0xde0 [ 233.588447] 2*8kB (M) [ 233.590700] ? graph_lock+0x170/0x170 [ 233.595701] 3*16kB (UM) [ 233.597860] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 233.601892] 3*32kB (M) [ 233.603964] ? graph_lock+0x170/0x170 [ 233.609058] 3*64kB (UM) [ 233.611571] ? find_held_lock+0x36/0x1c0 [ 233.615364] 4*128kB [ 233.618036] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.623023] (UM) [ 233.625598] ? lock_downgrade+0x900/0x900 [ 233.625620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.629402] 3*256kB [ 233.632067] cache_grow_begin+0x91/0x8c0 [ 233.636102] (M) [ 233.638422] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.643060] 4*512kB (M) [ 233.645137] fallback_alloc+0x203/0x2e0 [ 233.649253] 3*1024kB (UM) [ 233.654801] ____cache_alloc_node+0x1c7/0x1e0 [ 233.657093] 1*2048kB (M) [ 233.661161] kmem_cache_alloc_node+0xe3/0x730 [ 233.663115] 4*4096kB [ 233.667521] ? ipv6_get_ifaddr+0x42e/0x620 [ 233.670170] (M) [ 233.674148] __alloc_skb+0x119/0x770 [ 233.676966] = 25196kB [ 233.676975] Node 0 [ 233.681471] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.684202] Normal: 852*4kB [ 233.688704] ? skb_scrub_packet+0x490/0x490 [ 233.691093] (UMEH) [ 233.695351] ? lock_downgrade+0x900/0x900 [ 233.697326] 324*8kB (UMEH) [ 233.701059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.703440] 169*16kB (UMEH) [ 233.705685] ? refcount_sub_and_test_checked+0x203/0x310 [ 233.711414] 81*32kB (UMEH) [ 233.714437] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 233.718727] 31*64kB (UMH) [ 233.720983] ? addrconf_rs_timer+0x6f0/0x6f0 [ 233.725100] 3*128kB (H) [ 233.728047] ndisc_alloc_skb+0x144/0x340 [ 233.733549] 1*256kB (H) [ 233.736577] ndisc_send_rs+0x331/0x6e0 [ 233.742001] 0*512kB 0*1024kB [ 233.744938] addrconf_rs_timer+0x3c0/0x6f0 [ 233.750357] 0*2048kB 0*4096kB [ 233.753214] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.757597] = 13920kB [ 233.757611] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 233.760303] call_timer_fn+0x272/0x920 [ 233.764336] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 233.766995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.770863] 414 total pagecache pages [ 233.773975] ? process_timeout+0x40/0x40 [ 233.778195] 0 pages in swap cache [ 233.781374] ? find_held_lock+0x36/0x1c0 [ 233.785594] Swap cache stats: add 0, delete 0, find 0/0 [ 233.788000] ? __run_timers+0x7da/0xc70 [ 233.796812] Free swap = 0kB [ 233.800697] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.809763] Total swap = 0kB [ 233.809773] 1965979 pages RAM [ 233.814009] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.817783] 0 pages HighMem/MovableOnly [ 233.817792] 342744 pages reserved [ 233.821848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.825295] 0 pages cma reserved [ 233.829369] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 233.834907] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 233.838686] ? trace_hardirqs_on+0xbd/0x310 [ 233.841878] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 233.846184] ? kasan_check_read+0x11/0x20 [ 233.849179] syz-fuzzer cpuset= [ 233.852282] ? __run_timers+0x7da/0xc70 [ 233.856753] / [ 233.860725] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.864157] mems_allowed=0 [ 233.868384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.922849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.927096] __run_timers+0x7e5/0xc70 [ 233.930946] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 233.936321] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 233.941338] ? graph_lock+0x170/0x170 [ 233.945142] ? enqueue_hrtimer+0x1a5/0x560 [ 233.949387] ? lock_release+0x970/0x970 [ 233.953367] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 233.958565] ? find_held_lock+0x36/0x1c0 [ 233.962635] ? graph_lock+0x170/0x170 [ 233.966438] ? pvclock_read_flags+0x160/0x160 [ 233.970937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.976483] ? check_preemption_disabled+0x48/0x200 [ 233.981512] ? __lock_is_held+0xb5/0x140 [ 233.985575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.991122] ? check_preemption_disabled+0x48/0x200 [ 233.996151] run_timer_softirq+0x52/0xb0 [ 234.000217] ? rcu_read_lock_sched_held+0x108/0x120 [ 234.005239] __do_softirq+0x30b/0xad8 [ 234.009061] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 234.014184] ? pvclock_read_flags+0x160/0x160 [ 234.018678] ? lapic_next_event+0x5a/0x90 [ 234.022832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.028372] ? check_preemption_disabled+0x48/0x200 [ 234.033393] ? check_preemption_disabled+0x48/0x200 [ 234.038457] ? kvm_clock_read+0x18/0x30 [ 234.042437] ? kvm_sched_clock_read+0x9/0x20 [ 234.046852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.052397] ? check_preemption_disabled+0x48/0x200 [ 234.057426] irq_exit+0x17f/0x1c0 [ 234.060902] smp_apic_timer_interrupt+0x1cb/0x760 [ 234.065758] ? smp_reschedule_interrupt+0x109/0x650 [ 234.070779] ? smp_call_function_single_interrupt+0x650/0x650 [ 234.076669] ? interrupt_entry+0xb5/0xf0 [ 234.080736] ? trace_hardirqs_off_caller+0xbb/0x300 [ 234.085757] ? trace_hardirqs_off_caller+0xbb/0x300 [ 234.090781] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.095627] ? trace_hardirqs_off+0x300/0x300 [ 234.100131] ? trace_hardirqs_off+0x300/0x300 [ 234.104630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.110173] ? check_preemption_disabled+0x48/0x200 [ 234.115203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.120748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.125606] apic_timer_interrupt+0xf/0x20 [ 234.129839] [ 234.132083] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 234.137013] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 234.155909] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 234.163633] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 234.170901] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 234.178170] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 234.185450] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 234.192716] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 234.200032] skb_clone+0x1bb/0x500 [ 234.203578] ? finish_task_switch+0x2f5/0x900 [ 234.208171] ? skb_split+0x11e0/0x11e0 [ 234.212060] ? preempt_notifier_register+0x200/0x200 [ 234.217162] ? __switch_to_asm+0x34/0x70 [ 234.221224] ? __switch_to_asm+0x34/0x70 [ 234.225281] ? __switch_to_asm+0x40/0x70 [ 234.229362] ? __switch_to_asm+0x34/0x70 [ 234.233421] ? __switch_to_asm+0x40/0x70 [ 234.237477] ? __switch_to_asm+0x34/0x70 [ 234.241539] ? __switch_to_asm+0x40/0x70 [ 234.245595] ? __switch_to_asm+0x34/0x70 [ 234.249657] ? __switch_to_asm+0x34/0x70 [ 234.253730] ? __switch_to_asm+0x40/0x70 [ 234.257787] ? __switch_to_asm+0x34/0x70 [ 234.261859] bpf_clone_redirect+0xb9/0x490 [ 234.266100] ? __schedule+0x874/0x1ed0 [ 234.269996] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 234.275039] ? __sched_text_start+0x8/0x8 [ 234.279189] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 234.283961] ? find_held_lock+0x36/0x1c0 [ 234.288035] ? lock_acquire+0x1ed/0x520 [ 234.292011] ? bpf_test_run+0x32e/0x5a0 [ 234.295987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.301526] ? check_preemption_disabled+0x48/0x200 [ 234.306553] ? kasan_check_read+0x11/0x20 [ 234.310930] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.316211] ? rcu_bh_qs+0xc0/0xc0 [ 234.319759] ? preempt_schedule+0x4d/0x60 [ 234.323913] ? ___preempt_schedule+0x16/0x18 [ 234.328328] ? bpf_test_run+0x1c0/0x5a0 [ 234.332315] ? netlink_diag_dump+0x2a0/0x2a0 [ 234.336742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.342279] ? bpf_test_init.isra.9+0x70/0x100 [ 234.346868] ? bpf_prog_test_run_skb+0x634/0xb40 [ 234.351641] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.356482] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 234.362017] ? fput+0x130/0x1a0 [ 234.365301] ? __bpf_prog_get+0x9b/0x290 [ 234.369364] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.374206] ? bpf_prog_test_run+0x130/0x1a0 [ 234.378619] ? __x64_sys_bpf+0x3d8/0x510 [ 234.382684] ? bpf_prog_get+0x20/0x20 [ 234.386497] ? ksys_ioctl+0x81/0xd0 [ 234.390133] ? do_syscall_64+0x1b9/0x820 [ 234.394193] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 234.399558] ? syscall_return_slowpath+0x5e0/0x5e0 [ 234.404514] ? trace_hardirqs_off+0x300/0x300 [ 234.409011] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 234.414031] ? recalc_sigpending_tsk+0x180/0x180 [ 234.418789] ? kasan_check_write+0x14/0x20 [ 234.423033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.427888] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 234.433276] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 234.433370] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.440235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.440240] Call Trace: [ 234.440247] [ 234.440262] dump_stack+0x1c4/0x2b4 [ 234.440284] ? dump_stack_print_info.cold.2+0x52/0x52 [ 234.446817] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.456122] warn_alloc.cold.118+0xb7/0x1bd [ 234.458678] syz-executor7 cpuset= [ 234.460825] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 234.464427] syz7 [ 234.469622] ? lock_downgrade+0x900/0x900 [ 234.480088] mems_allowed=0 [ 234.484415] ? trace_hardirqs_off+0xb8/0x300 [ 234.506087] ? trace_hardirqs_off+0xb8/0x300 [ 234.511021] __alloc_pages_slowpath+0x2667/0x2d80 [ 234.515897] ? warn_alloc+0x120/0x120 [ 234.519708] ? mark_held_locks+0x130/0x130 [ 234.523946] ? warn_alloc+0x120/0x120 [ 234.527751] ? print_usage_bug+0xc0/0xc0 [ 234.531820] ? warn_alloc+0x120/0x120 [ 234.535629] ? print_usage_bug+0xc0/0xc0 [ 234.539693] ? run_posix_cpu_timers+0x6b7/0x2540 [ 234.544459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.549998] ? should_fail+0x22d/0xd01 [ 234.553892] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.559005] ? __lock_acquire+0x7ec/0x4ec0 [ 234.563249] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.568351] ? __lock_acquire+0x7ec/0x4ec0 [ 234.572603] ? should_fail+0x22d/0xd01 [ 234.576504] ? mark_held_locks+0x130/0x130 [ 234.580747] ? mark_held_locks+0x130/0x130 [ 234.584981] ? __lock_acquire+0x7ec/0x4ec0 [ 234.589223] ? graph_lock+0x170/0x170 [ 234.593033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.598573] ? check_preemption_disabled+0x48/0x200 [ 234.603604] ? check_preemption_disabled+0x48/0x200 [ 234.609105] ? __lock_is_held+0xb5/0x140 [ 234.613174] __alloc_pages_nodemask+0xa80/0xde0 [ 234.617845] ? graph_lock+0x170/0x170 [ 234.621651] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 234.626670] ? graph_lock+0x170/0x170 [ 234.630483] ? find_held_lock+0x36/0x1c0 [ 234.634553] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.639229] ? lock_downgrade+0x900/0x900 [ 234.643396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.648945] cache_grow_begin+0x91/0x8c0 [ 234.653020] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.657441] fallback_alloc+0x203/0x2e0 [ 234.661422] ____cache_alloc_node+0x1c7/0x1e0 [ 234.665922] __kmalloc+0x208/0x760 [ 234.669469] ? __neigh_create+0x30b/0x2130 [ 234.673712] __neigh_create+0x30b/0x2130 [ 234.677774] ? trace_hardirqs_on+0xbd/0x310 [ 234.682098] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 234.687640] ? ip6t_do_table+0xd9e/0x1d30 [ 234.691806] ? mark_held_locks+0x130/0x130 [ 234.696042] ? __local_bh_enable_ip+0x160/0x260 [ 234.700723] ? neigh_hash_alloc+0x1e0/0x1e0 [ 234.705047] ? trace_hardirqs_on+0xbd/0x310 [ 234.709866] ? ip6t_do_table+0xd9e/0x1d30 [ 234.714022] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.719470] ? trace_hardirqs_on+0xbd/0x310 [ 234.723797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.729336] ? ip6t_do_table+0xd6a/0x1d30 [ 234.733495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.739044] ? check_preemption_disabled+0x48/0x200 [ 234.744085] ? check_preemption_disabled+0x48/0x200 [ 234.749115] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 234.754651] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.759932] ? rcu_pm_notify+0xc0/0xc0 [ 234.763823] ? graph_lock+0x170/0x170 [ 234.767627] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 234.772839] ip6_finish_output2+0xa59/0x27a0 [ 234.777260] ? ip6_copy_metadata+0xe30/0xe30 [ 234.781676] ? ip6_mtu+0x39c/0x520 [ 234.785218] ? lock_downgrade+0x900/0x900 [ 234.789365] ? check_preemption_disabled+0x48/0x200 [ 234.794400] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 234.800197] ? kasan_check_read+0x11/0x20 [ 234.804347] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.810134] ? rcu_bh_qs+0xc0/0xc0 [ 234.813687] ? ip6_mtu+0x160/0x520 [ 234.817229] ? dst_hold+0x2f0/0x2f0 [ 234.820861] ? kasan_check_read+0x11/0x20 [ 234.825009] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.830288] ? nf_nat_ipv6_out+0x212/0x550 [ 234.834531] ip6_finish_output+0x5fe/0xbc0 [ 234.838763] ? ip6_finish_output+0x5fe/0xbc0 [ 234.843176] ip6_output+0x23e/0xa00 [ 234.846803] ? check_preemption_disabled+0x48/0x200 [ 234.851821] ? ip6_finish_output+0xbc0/0xbc0 [ 234.856236] ? ip6_fragment+0x38c0/0x38c0 [ 234.860395] ? __lock_is_held+0xb5/0x140 [ 234.864480] ndisc_send_skb+0x1005/0x1570 [ 234.868638] ? ndisc_constructor+0xc40/0xc40 [ 234.873050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.878596] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.884050] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.889524] ndisc_send_rs+0x134/0x6e0 [ 234.893423] addrconf_rs_timer+0x3c0/0x6f0 [ 234.897667] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.901917] call_timer_fn+0x272/0x920 [ 234.905804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.910483] ? process_timeout+0x40/0x40 [ 234.914543] ? find_held_lock+0x36/0x1c0 [ 234.918616] ? mark_held_locks+0xc7/0x130 [ 234.922770] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.927267] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.931762] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.936004] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 234.940593] ? trace_hardirqs_on+0xbd/0x310 [ 234.944915] ? kasan_check_read+0x11/0x20 [ 234.949064] ? __run_timers+0x7da/0xc70 [ 234.953041] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.958500] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.962751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.966997] __run_timers+0x7e5/0xc70 [ 234.970822] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 234.976194] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 234.981216] ? graph_lock+0x170/0x170 [ 234.985024] ? print_usage_bug+0xc0/0xc0 [ 234.989084] ? lock_release+0x970/0x970 [ 234.993063] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 234.998479] ? find_held_lock+0x36/0x1c0 [ 235.002546] ? graph_lock+0x170/0x170 [ 235.006353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.012400] ? check_preemption_disabled+0x48/0x200 [ 235.017431] ? __lock_is_held+0xb5/0x140 [ 235.021494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.027033] ? check_preemption_disabled+0x48/0x200 [ 235.032061] run_timer_softirq+0x52/0xb0 [ 235.036126] ? rcu_read_lock_sched_held+0x108/0x120 [ 235.041144] __do_softirq+0x30b/0xad8 [ 235.044957] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 235.050068] ? pvclock_read_flags+0x160/0x160 [ 235.054566] ? lapic_next_event+0x5a/0x90 [ 235.058719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.064256] ? check_preemption_disabled+0x48/0x200 [ 235.069273] ? check_preemption_disabled+0x48/0x200 [ 235.074319] ? kvm_clock_read+0x18/0x30 [ 235.078328] ? kvm_sched_clock_read+0x9/0x20 [ 235.082753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.088289] ? check_preemption_disabled+0x48/0x200 [ 235.093329] irq_exit+0x17f/0x1c0 [ 235.096786] smp_apic_timer_interrupt+0x1cb/0x760 [ 235.101631] ? smp_reschedule_interrupt+0x109/0x650 [ 235.107784] ? smp_call_function_single_interrupt+0x650/0x650 [ 235.113683] ? interrupt_entry+0xb5/0xf0 [ 235.117749] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.122764] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.127784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.132639] ? trace_hardirqs_off+0x300/0x300 [ 235.137148] ? trace_hardirqs_off+0x300/0x300 [ 235.141655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.147197] ? check_preemption_disabled+0x48/0x200 [ 235.152225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.157078] apic_timer_interrupt+0xf/0x20 [ 235.161305] [ 235.163548] RIP: 0010:console_unlock+0x1017/0x11a0 [ 235.168486] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 235.187400] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 235.195131] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 235.202404] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 235.210119] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 235.217392] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 235.224674] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 235.231955] ? netconsole_netdev_event+0x280/0x280 [ 235.236894] ? console_unlock+0x100e/0x11a0 [ 235.241242] ? devkmsg_read+0xbb0/0xbb0 [ 235.245244] ? vprintk_emit+0x7f7/0x930 [ 235.249241] ? lock_release+0x970/0x970 [ 235.253229] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.258681] ? vprintk_default+0x28/0x30 [ 235.262755] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.268208] ? kasan_check_write+0x14/0x20 [ 235.272442] ? do_raw_spin_lock+0xc1/0x200 [ 235.276685] vprintk_emit+0x33d/0x930 [ 235.280492] ? wake_up_klogd+0x180/0x180 [ 235.284561] ? find_held_lock+0x36/0x1c0 [ 235.288641] ? mark_held_locks+0xc7/0x130 [ 235.292794] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.297288] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.301793] vprintk_default+0x28/0x30 [ 235.305683] vprintk_func+0x7e/0x181 [ 235.309878] printk+0xa7/0xcf [ 235.312989] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 235.317745] ? _raw_spin_unlock_irq+0x60/0x80 [ 235.322257] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 235.327557] dump_header+0x7cc/0xf72 [ 235.331291] ? pagefault_out_of_memory+0x197/0x197 [ 235.336232] ? __lock_acquire+0x7ec/0x4ec0 [ 235.340471] ? print_usage_bug+0xc0/0xc0 [ 235.344540] ? graph_lock+0x170/0x170 [ 235.348339] ? graph_lock+0x170/0x170 [ 235.352148] ? print_usage_bug+0xc0/0xc0 [ 235.356234] ? print_usage_bug+0xc0/0xc0 [ 235.360306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.365851] ? find_held_lock+0x36/0x1c0 [ 235.369934] ? mark_held_locks+0xc7/0x130 [ 235.374094] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 235.379211] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 235.384336] ? lockdep_hardirqs_on+0x421/0x5c0 [ 235.388946] ? trace_hardirqs_on+0xbd/0x310 [ 235.393267] ? kasan_check_read+0x11/0x20 [ 235.397419] ? ___ratelimit+0x36f/0x655 [ 235.401398] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.406847] ? trace_hardirqs_on+0x310/0x310 [ 235.411385] ? lock_downgrade+0x900/0x900 [ 235.415543] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.420652] ? ___ratelimit+0xaa/0x655 [ 235.424544] ? idr_get_free+0xec0/0xec0 [ 235.428519] ? kasan_check_write+0x14/0x20 [ 235.432754] ? do_raw_spin_lock+0xc1/0x200 [ 235.437001] oom_kill_process.cold.27+0x10/0x903 [ 235.441758] ? graph_lock+0x170/0x170 [ 235.445564] ? _raw_spin_unlock+0x2c/0x50 [ 235.449732] ? oom_badness+0xe6/0xaa0 [ 235.453539] ? oom_evaluate_task+0x540/0x540 [ 235.457950] ? find_held_lock+0x36/0x1c0 [ 235.462030] ? out_of_memory+0x974/0x14c0 [ 235.466183] ? lock_downgrade+0x900/0x900 [ 235.470336] ? check_preemption_disabled+0x48/0x200 [ 235.475361] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.481161] ? kasan_check_read+0x11/0x20 [ 235.485404] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.490684] ? rcu_bh_qs+0xc0/0xc0 [ 235.494231] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 235.499781] ? oom_evaluate_task+0x302/0x540 [ 235.504218] out_of_memory+0xa86/0x14c0 [ 235.508423] ? oom_killer_disable+0x3a0/0x3a0 [ 235.512923] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 235.517860] ? __mutex_add_waiter+0x2a0/0x2a0 [ 235.522369] __alloc_pages_slowpath+0x2318/0x2d80 [ 235.527260] ? warn_alloc+0x120/0x120 [ 235.531063] ? __radix_tree_lookup+0x4c0/0x4c0 [ 235.535660] ? find_get_entry+0x2f2/0xc40 [ 235.539817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.545355] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 235.550292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.555845] ? should_fail+0x22d/0xd01 [ 235.559756] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.564858] ? __lock_is_held+0xb5/0x140 [ 235.568950] ? __lock_is_held+0xb5/0x140 [ 235.573023] ? find_held_lock+0x36/0x1c0 [ 235.577093] ? ___might_sleep+0x1ed/0x300 [ 235.581238] ? lock_release+0x970/0x970 [ 235.585212] ? arch_local_save_flags+0x40/0x40 [ 235.589805] ? __might_sleep+0x95/0x190 [ 235.593785] __alloc_pages_nodemask+0xa80/0xde0 [ 235.598466] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 235.603490] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.609798] ? kasan_check_read+0x11/0x20 [ 235.613950] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.619229] ? graph_lock+0x170/0x170 [ 235.623031] ? print_usage_bug+0xc0/0xc0 [ 235.627096] ? graph_lock+0x170/0x170 [ 235.630897] ? graph_lock+0x170/0x170 [ 235.634697] ? __do_page_cache_readahead+0x7ce/0x980 [ 235.639804] ? find_held_lock+0x36/0x1c0 [ 235.643869] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 235.649428] alloc_pages_current+0x10c/0x210 [ 235.653838] ? lock_downgrade+0x900/0x900 [ 235.658022] __page_cache_alloc+0x38f/0x5b0 [ 235.662359] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.668163] ? kasan_check_read+0x11/0x20 [ 235.672316] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.677605] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 235.682279] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.687818] ? check_preemption_disabled+0x48/0x200 [ 235.692845] filemap_fault+0x1594/0x25f0 [ 235.696920] ? __lock_page_or_retry+0xa00/0xa00 [ 235.701596] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.707873] ? kasan_check_read+0x11/0x20 [ 235.712023] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.717299] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 235.722406] ? rcu_bh_qs+0xc0/0xc0 [ 235.725963] ? trace_hardirqs_on+0xbd/0x310 [ 235.730283] ? kasan_check_read+0x11/0x20 [ 235.734430] ? __free_object+0x173/0x340 [ 235.738500] ? filemap_map_pages+0xdea/0x1980 [ 235.743001] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.748108] ? __free_object+0x173/0x340 [ 235.752171] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 235.757446] ? debug_object_free+0x325/0x690 [ 235.761859] ? find_get_pages_range_tag+0x1320/0x1320 [ 235.767074] ? graph_lock+0x170/0x170 [ 235.770885] ? kasan_check_read+0x11/0x20 [ 235.775037] ? debug_object_destroy+0x2b0/0x2b0 [ 235.779722] ? lock_acquire+0x1ed/0x520 [ 235.783697] ? ext4_filemap_fault+0x7a/0xad [ 235.788024] ? lock_release+0x970/0x970 [ 235.791998] ? arch_local_save_flags+0x40/0x40 [ 235.796592] ? futex_wait_setup+0x3e0/0x3e0 [ 235.800936] ? down_read+0xb0/0x1d0 [ 235.804566] ? ext4_filemap_fault+0x7a/0xad [ 235.809349] ? __down_interruptible+0x700/0x700 [ 235.814043] ext4_filemap_fault+0x82/0xad [ 235.818198] __do_fault+0x100/0x6b0 [ 235.821831] ? print_bad_pte+0x6c0/0x6c0 [ 235.825891] ? do_futex+0x249/0x26d0 [ 235.829611] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.835063] ? kasan_check_read+0x11/0x20 [ 235.839208] ? pmd_val+0x88/0x100 [ 235.842661] ? add_mm_counter_fast+0xd0/0xd0 [ 235.847091] ? pmd_val+0x88/0x100 [ 235.850547] ? add_mm_counter_fast+0xd0/0xd0 [ 235.854960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.860509] __handle_mm_fault+0x3709/0x53e0 [ 235.864938] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 235.869788] ? graph_lock+0x170/0x170 [ 235.873610] ? print_usage_bug+0xc0/0xc0 [ 235.877683] ? lockdep_hardirqs_on+0x421/0x5c0 [ 235.882279] ? graph_lock+0x170/0x170 [ 235.886081] ? graph_lock+0x170/0x170 [ 235.889906] ? handle_mm_fault+0x42a/0xc70 [ 235.894146] ? lock_downgrade+0x900/0x900 [ 235.898295] ? check_preemption_disabled+0x48/0x200 [ 235.903362] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.909707] ? kasan_check_read+0x11/0x20 [ 235.913859] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.919140] ? rcu_bh_qs+0xc0/0xc0 [ 235.922698] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.928165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.933713] ? check_preemption_disabled+0x48/0x200 [ 235.938741] handle_mm_fault+0x54f/0xc70 [ 235.942808] ? __handle_mm_fault+0x53e0/0x53e0 [ 235.947401] ? find_vma+0x34/0x190 [ 235.950965] __do_page_fault+0x67d/0xed0 [ 235.955034] ? mm_fault_error+0x380/0x380 [ 235.959184] ? trace_hardirqs_off+0xb8/0x300 [ 235.963599] ? trace_hardirqs_on+0x310/0x310 [ 235.968011] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 235.973382] ? trace_hardirqs_on+0x310/0x310 [ 235.977797] do_page_fault+0xf2/0x7e0 [ 235.981612] ? vmalloc_sync_all+0x30/0x30 [ 235.985768] ? error_entry+0x70/0xd0 [ 235.989486] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.994502] ? trace_hardirqs_on_caller+0xc0/0x300 [ 235.999430] ? syscall_return_slowpath+0x5e0/0x5e0 [ 236.004391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.009736] ? trace_hardirqs_off+0x300/0x300 [ 236.014233] ? trace_hardirqs_off_caller+0x300/0x300 [ 236.019340] ? prepare_exit_to_usermode+0x291/0x3b0 [ 236.024382] ? page_fault+0x8/0x30 [ 236.027930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.032782] ? page_fault+0x8/0x30 [ 236.036363] page_fault+0x1e/0x30 [ 236.039821] RIP: 0033:0x45ddf3 [ 236.043019] Code: Bad RIP value. [ 236.046385] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 236.051751] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 236.059019] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 236.066287] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 236.073566] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 236.080838] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 236.088136] warn_alloc_show_mem: 1 callbacks suppressed [ 236.088148] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 236.088150] Mem-Info: [ 236.088180] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 236.088180] active_file:16 inactive_file:19 isolated_file:0 [ 236.088180] unevictable:0 dirty:0 writeback:0 unstable:0 [ 236.088180] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 236.088180] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 236.088180] free:13708 free_pcp:124 free_cma:0 [ 236.093539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.100731] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 236.103132] Call Trace: [ 236.136528] Node 0 [ 236.145902] [ 236.173612] 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 [ 236.176188] dump_stack+0x1c4/0x2b4 [ 236.178403] lowmem_reserve[]: [ 236.180552] ? dump_stack_print_info.cold.2+0x52/0x52 [ 236.206043] 0 [ 236.209692] warn_alloc.cold.118+0xb7/0x1bd [ 236.212774] 2817 [ 236.217960] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 236.219752] 6321 [ 236.224086] ? lock_downgrade+0x900/0x900 [ 236.226120] 6321 [ 236.230980] ? trace_hardirqs_off+0xb8/0x300 [ 236.233022] Node 0 [ 236.237172] ? trace_hardirqs_off+0xb8/0x300 [ 236.239249] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 236.243634] __alloc_pages_slowpath+0x2667/0x2d80 [ 236.245845] lowmem_reserve[]: [ 236.250279] ? warn_alloc+0x120/0x120 [ 236.277245] 0 [ 236.282111] ? warn_alloc+0x120/0x120 [ 236.285196] 0 [ 236.288994] ? print_usage_bug+0xc0/0xc0 [ 236.290779] 3503 [ 236.294577] ? warn_alloc+0x120/0x120 [ 236.296364] 3503 [ 236.300423] ? print_usage_bug+0xc0/0xc0 [ 236.306271] ? __lock_acquire+0x7ec/0x4ec0 [ 236.308820] Node 0 [ 236.312914] ? __lock_acquire+0x7ec/0x4ec0 [ 236.317193] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 236.319408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.323614] lowmem_reserve[]: 0 [ 236.351825] ? should_fail+0x22d/0xd01 [ 236.357343] 0 [ 236.360623] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.364482] 0 0 [ 236.366294] ? __lock_acquire+0x7ec/0x4ec0 [ 236.373360] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.377577] Node 0 [ 236.382675] ? __lock_acquire+0x7ec/0x4ec0 [ 236.382686] DMA: [ 236.384918] ? should_fail+0x22d/0xd01 [ 236.389135] 1*4kB [ 236.391209] ? mark_held_locks+0x130/0x130 [ 236.395063] (U) [ 236.397217] ? mark_held_locks+0x130/0x130 [ 236.401427] 0*8kB [ 236.403397] ? graph_lock+0x170/0x170 [ 236.408028] 0*16kB 1*32kB [ 236.410190] ? graph_lock+0x170/0x170 [ 236.413967] (U) [ 236.416807] ? graph_lock+0x170/0x170 [ 236.420590] 2*64kB (U) [ 236.422570] ? print_usage_bug+0xc0/0xc0 [ 236.426381] 1*128kB [ 236.428959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.432995] (U) [ 236.435341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.440848] 1*256kB (U) [ 236.442881] ? check_preemption_disabled+0x48/0x200 [ 236.448386] 0*512kB 1*1024kB [ 236.451065] ? check_preemption_disabled+0x48/0x200 [ 236.456059] (U) [ 236.459168] ? __lock_is_held+0xb5/0x140 [ 236.464161] 1*2048kB [ 236.466142] __alloc_pages_nodemask+0xa80/0xde0 [ 236.470177] (M) [ 236.472586] ? graph_lock+0x170/0x170 [ 236.477244] 3*4096kB (M) [ 236.479228] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 236.483003] = 15908kB [ 236.485751] ? graph_lock+0x170/0x170 [ 236.490746] Node 0 [ 236.493161] ? find_held_lock+0x36/0x1c0 [ 236.496924] DMA32: 3*4kB [ 236.499174] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.503208] (UM) [ 236.505966] ? lock_downgrade+0x900/0x900 [ 236.511084] 2*8kB [ 236.513155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.517273] (M) [ 236.519426] cache_grow_begin+0x91/0x8c0 [ 236.524940] 3*16kB [ 236.526912] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.530947] (UM) 3*32kB [ 236.533197] fallback_alloc+0x203/0x2e0 [ 236.537580] (M) [ 236.540252] ____cache_alloc_node+0x1c7/0x1e0 [ 236.544203] 3*64kB [ 236.546176] kmem_cache_alloc_node+0xe3/0x730 [ 236.550653] (UM) [ 236.552892] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.557359] 4*128kB (UM) [ 236.559438] __alloc_skb+0x119/0x770 [ 236.563645] 3*256kB [ 236.566405] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.570117] (M) [ 236.572444] ? skb_scrub_packet+0x490/0x490 [ 236.577702] 4*512kB [ 236.579677] ? lock_downgrade+0x900/0x900 [ 236.583975] (M) [ 236.586298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.590432] 3*1024kB [ 236.592394] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.592412] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.597931] (UM) [ 236.600341] ? addrconf_rs_timer+0x6f0/0x6f0 [ 236.605762] 1*2048kB (M) [ 236.611230] ndisc_alloc_skb+0x144/0x340 [ 236.613262] 4*4096kB (M) [ 236.617679] ndisc_send_rs+0x331/0x6e0 [ 236.620418] = 25196kB [ 236.624476] addrconf_rs_timer+0x3c0/0x6f0 [ 236.627211] Node 0 [ 236.631098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.633488] Normal: 852*4kB [ 236.637738] call_timer_fn+0x272/0x920 [ 236.639948] (UMEH) [ 236.644180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.647174] 324*8kB (UMEH) [ 236.651069] ? process_timeout+0x40/0x40 [ 236.653370] 169*16kB [ 236.657606] ? find_held_lock+0x36/0x1c0 [ 236.660515] (UMEH) [ 236.664576] ? __run_timers+0x7da/0xc70 [ 236.666970] 81*32kB [ 236.671024] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.673235] (UMEH) [ 236.677207] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.679505] 31*64kB (UMH) [ 236.684006] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.686220] 3*128kB [ 236.690710] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 236.693535] (H) [ 236.697766] ? trace_hardirqs_on+0xbd/0x310 [ 236.700062] 1*256kB (H) [ 236.704649] ? kasan_check_read+0x11/0x20 [ 236.706604] 0*512kB [ 236.710927] ? __run_timers+0x7da/0xc70 [ 236.713590] 0*1024kB [ 236.717725] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.720019] 0*2048kB 0*4096kB [ 236.724001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.726397] = 13920kB [ 236.731847] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.735022] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 236.739251] __run_timers+0x7e5/0xc70 [ 236.741659] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 236.745894] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 236.754695] 414 total pagecache pages [ 236.758494] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 236.767053] 0 pages in swap cache [ 236.772404] ? graph_lock+0x170/0x170 [ 236.776185] Swap cache stats: add 0, delete 0, find 0/0 [ 236.781201] ? enqueue_hrtimer+0x1a5/0x560 [ 236.784637] Free swap = 0kB [ 236.788444] ? lock_release+0x970/0x970 [ 236.793785] Total swap = 0kB [ 236.798015] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 236.801016] 1965979 pages RAM [ 236.804989] ? find_held_lock+0x36/0x1c0 [ 236.808472] 0 pages HighMem/MovableOnly [ 236.808482] 342744 pages reserved [ 236.813676] ? graph_lock+0x170/0x170 [ 236.816755] 0 pages cma reserved [ 236.817067] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.820823] ? pvclock_read_flags+0x160/0x160 [ 236.824781] syz-fuzzer cpuset= [ 236.828231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.832006] / [ 236.835385] ? check_preemption_disabled+0x48/0x200 [ 236.845594] mems_allowed=0 [ 236.850102] ? __lock_is_held+0xb5/0x140 [ 236.872467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.878015] ? check_preemption_disabled+0x48/0x200 [ 236.883048] run_timer_softirq+0x52/0xb0 [ 236.887111] ? rcu_read_lock_sched_held+0x108/0x120 [ 236.892144] __do_softirq+0x30b/0xad8 [ 236.895959] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 236.901072] ? pvclock_read_flags+0x160/0x160 [ 236.905567] ? lapic_next_event+0x5a/0x90 [ 236.909722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.915265] ? check_preemption_disabled+0x48/0x200 [ 236.920289] ? check_preemption_disabled+0x48/0x200 [ 236.925324] ? kvm_clock_read+0x18/0x30 [ 236.929303] ? kvm_sched_clock_read+0x9/0x20 [ 236.933732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.939301] ? check_preemption_disabled+0x48/0x200 [ 236.944337] irq_exit+0x17f/0x1c0 [ 236.947809] smp_apic_timer_interrupt+0x1cb/0x760 [ 236.952661] ? smp_reschedule_interrupt+0x109/0x650 [ 236.957688] ? smp_call_function_single_interrupt+0x650/0x650 [ 236.963583] ? interrupt_entry+0xb5/0xf0 [ 236.967654] ? trace_hardirqs_off_caller+0xbb/0x300 [ 236.972682] ? trace_hardirqs_off_caller+0xbb/0x300 [ 236.977714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.982571] ? trace_hardirqs_off+0x300/0x300 [ 236.987080] ? trace_hardirqs_off+0x300/0x300 [ 236.991595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.997627] ? check_preemption_disabled+0x48/0x200 [ 237.002653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.008334] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.013205] apic_timer_interrupt+0xf/0x20 [ 237.017440] [ 237.019693] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 237.024631] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 237.043543] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 237.051263] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 237.058536] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 237.065805] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 237.073073] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 237.080343] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 237.087662] skb_clone+0x1bb/0x500 [ 237.091205] ? finish_task_switch+0x2f5/0x900 [ 237.095717] ? skb_split+0x11e0/0x11e0 [ 237.099611] ? preempt_notifier_register+0x200/0x200 [ 237.104889] ? __switch_to_asm+0x34/0x70 [ 237.108957] ? __switch_to_asm+0x34/0x70 [ 237.113020] ? __switch_to_asm+0x40/0x70 [ 237.117080] ? __switch_to_asm+0x34/0x70 [ 237.121165] ? __switch_to_asm+0x40/0x70 [ 237.125228] ? __switch_to_asm+0x34/0x70 [ 237.129298] ? __switch_to_asm+0x40/0x70 [ 237.133386] ? __switch_to_asm+0x34/0x70 [ 237.137446] ? __switch_to_asm+0x34/0x70 [ 237.141510] ? __switch_to_asm+0x40/0x70 [ 237.145583] ? __switch_to_asm+0x34/0x70 [ 237.149704] bpf_clone_redirect+0xb9/0x490 [ 237.153939] ? __schedule+0x874/0x1ed0 [ 237.157855] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 237.162898] ? __sched_text_start+0x8/0x8 [ 237.167051] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 237.171824] ? find_held_lock+0x36/0x1c0 [ 237.175911] ? lock_acquire+0x1ed/0x520 [ 237.179900] ? bpf_test_run+0x32e/0x5a0 [ 237.183895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.189437] ? check_preemption_disabled+0x48/0x200 [ 237.194462] ? kasan_check_read+0x11/0x20 [ 237.198629] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.203930] ? rcu_bh_qs+0xc0/0xc0 [ 237.207476] ? preempt_schedule+0x4d/0x60 [ 237.211645] ? ___preempt_schedule+0x16/0x18 [ 237.216060] ? bpf_test_run+0x1c0/0x5a0 [ 237.220048] ? netlink_diag_dump+0x2a0/0x2a0 [ 237.224460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.229998] ? bpf_test_init.isra.9+0x70/0x100 [ 237.234585] ? bpf_prog_test_run_skb+0x634/0xb40 [ 237.239345] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.244185] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.249747] ? fput+0x130/0x1a0 [ 237.253029] ? __bpf_prog_get+0x9b/0x290 [ 237.257099] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.261943] ? bpf_prog_test_run+0x130/0x1a0 [ 237.266365] ? __x64_sys_bpf+0x3d8/0x510 [ 237.270429] ? bpf_prog_get+0x20/0x20 [ 237.274251] ? ksys_ioctl+0x81/0xd0 [ 237.277896] ? do_syscall_64+0x1b9/0x820 [ 237.281955] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 237.287320] ? syscall_return_slowpath+0x5e0/0x5e0 [ 237.292252] ? trace_hardirqs_off+0x300/0x300 [ 237.296754] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 237.301771] ? recalc_sigpending_tsk+0x180/0x180 [ 237.306535] ? kasan_check_write+0x14/0x20 [ 237.310778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.315633] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 237.321015] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 237.321086] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 237.327950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.327959] Call Trace: [ 237.334523] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 237.343784] [ 237.346359] syz-executor7 cpuset= [ 237.356855] dump_stack+0x1c4/0x2b4 [ 237.358989] syz7 [ 237.362445] ? dump_stack_print_info.cold.2+0x52/0x52 [ 237.366051] mems_allowed=0 [ 237.368035] warn_alloc.cold.118+0xb7/0x1bd [ 237.380426] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 237.385275] ? lock_downgrade+0x900/0x900 [ 237.389435] ? trace_hardirqs_off+0xb8/0x300 [ 237.393850] ? trace_hardirqs_off+0xb8/0x300 [ 237.398272] __alloc_pages_slowpath+0x2667/0x2d80 [ 237.403144] ? warn_alloc+0x120/0x120 [ 237.407431] ? warn_alloc+0x120/0x120 [ 237.411240] ? print_usage_bug+0xc0/0xc0 [ 237.415309] ? warn_alloc+0x120/0x120 [ 237.419114] ? print_usage_bug+0xc0/0xc0 [ 237.423173] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 237.428387] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.433931] ? should_fail+0x22d/0xd01 [ 237.437822] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.442938] ? __lock_acquire+0x7ec/0x4ec0 [ 237.447183] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.452283] ? __lock_acquire+0x7ec/0x4ec0 [ 237.456521] ? should_fail+0x22d/0xd01 [ 237.460422] ? mark_held_locks+0x130/0x130 [ 237.464663] ? mark_held_locks+0x130/0x130 [ 237.468917] ? graph_lock+0x170/0x170 [ 237.472731] ? graph_lock+0x170/0x170 [ 237.476539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.482084] ? check_preemption_disabled+0x48/0x200 [ 237.487102] ? check_preemption_disabled+0x48/0x200 [ 237.492131] ? __lock_is_held+0xb5/0x140 [ 237.496205] __alloc_pages_nodemask+0xa80/0xde0 [ 237.500892] ? graph_lock+0x170/0x170 [ 237.504701] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 237.510234] ? graph_lock+0x170/0x170 [ 237.514050] ? find_held_lock+0x36/0x1c0 [ 237.518125] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.522795] ? lock_downgrade+0x900/0x900 [ 237.526953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.532502] cache_grow_begin+0x91/0x8c0 [ 237.536574] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.541005] fallback_alloc+0x203/0x2e0 [ 237.544991] ____cache_alloc_node+0x1c7/0x1e0 [ 237.549497] __kmalloc+0x208/0x760 [ 237.553047] ? __neigh_create+0x30b/0x2130 [ 237.557296] __neigh_create+0x30b/0x2130 [ 237.561366] ? trace_hardirqs_on+0xbd/0x310 [ 237.565698] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.571247] ? ip6t_do_table+0xd9e/0x1d30 [ 237.575416] ? mark_held_locks+0x130/0x130 [ 237.579673] ? __local_bh_enable_ip+0x160/0x260 [ 237.584358] ? neigh_hash_alloc+0x1e0/0x1e0 [ 237.588694] ? trace_hardirqs_on+0xbd/0x310 [ 237.593019] ? ip6t_do_table+0xd9e/0x1d30 [ 237.597169] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.602626] ? trace_hardirqs_on+0xbd/0x310 [ 237.607450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.613001] ? ip6t_do_table+0xd6a/0x1d30 [ 237.617163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.622714] ? check_preemption_disabled+0x48/0x200 [ 237.627746] ? check_preemption_disabled+0x48/0x200 [ 237.632795] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 237.638351] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.643654] ? rcu_pm_notify+0xc0/0xc0 [ 237.647551] ? graph_lock+0x170/0x170 [ 237.651361] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 237.656576] ip6_finish_output2+0xa59/0x27a0 [ 237.661016] ? ip6_copy_metadata+0xe30/0xe30 [ 237.665437] ? ip6_mtu+0x39c/0x520 [ 237.668985] ? lock_downgrade+0x900/0x900 [ 237.673137] ? check_preemption_disabled+0x48/0x200 [ 237.678165] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 237.683966] ? kasan_check_read+0x11/0x20 [ 237.688117] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.693400] ? rcu_bh_qs+0xc0/0xc0 [ 237.696960] ? ip6_mtu+0x160/0x520 [ 237.700517] ? dst_hold+0x2f0/0x2f0 [ 237.704163] ? kasan_check_read+0x11/0x20 [ 237.708832] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.714114] ? nf_nat_ipv6_out+0x212/0x550 [ 237.718354] ip6_finish_output+0x5fe/0xbc0 [ 237.722611] ? ip6_finish_output+0x5fe/0xbc0 [ 237.727038] ip6_output+0x23e/0xa00 [ 237.730671] ? check_preemption_disabled+0x48/0x200 [ 237.735696] ? ip6_finish_output+0xbc0/0xbc0 [ 237.740111] ? ip6_fragment+0x38c0/0x38c0 [ 237.744259] ? __lock_is_held+0xb5/0x140 [ 237.748334] ndisc_send_skb+0x1005/0x1570 [ 237.752493] ? ndisc_constructor+0xc40/0xc40 [ 237.756908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.762463] ? refcount_sub_and_test_checked+0x203/0x310 [ 237.767920] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 237.773400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.778967] ndisc_send_rs+0x134/0x6e0 [ 237.782865] addrconf_rs_timer+0x3c0/0x6f0 [ 237.787106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.791355] call_timer_fn+0x272/0x920 [ 237.795247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.799484] ? process_timeout+0x40/0x40 [ 237.803546] ? find_held_lock+0x36/0x1c0 [ 237.808141] ? mark_held_locks+0xc7/0x130 [ 237.812296] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.816792] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.821301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.825537] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 237.830124] ? trace_hardirqs_on+0xbd/0x310 [ 237.834449] ? kasan_check_read+0x11/0x20 [ 237.838605] ? __run_timers+0x7da/0xc70 [ 237.842615] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.848072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.852356] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.856611] __run_timers+0x7e5/0xc70 [ 237.860435] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 237.865797] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.870812] ? graph_lock+0x170/0x170 [ 237.874623] ? print_usage_bug+0xc0/0xc0 [ 237.878679] ? lock_release+0x970/0x970 [ 237.882654] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 237.887861] ? find_held_lock+0x36/0x1c0 [ 237.891930] ? graph_lock+0x170/0x170 [ 237.895738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.901278] ? check_preemption_disabled+0x48/0x200 [ 237.906333] ? __lock_is_held+0xb5/0x140 [ 237.910911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.916450] ? check_preemption_disabled+0x48/0x200 [ 237.921472] run_timer_softirq+0x52/0xb0 [ 237.925535] ? rcu_read_lock_sched_held+0x108/0x120 [ 237.930611] __do_softirq+0x30b/0xad8 [ 237.934437] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 237.939559] ? pvclock_read_flags+0x160/0x160 [ 237.944148] ? lapic_next_event+0x5a/0x90 [ 237.948298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.953840] ? check_preemption_disabled+0x48/0x200 [ 237.958861] ? check_preemption_disabled+0x48/0x200 [ 237.963885] ? kvm_clock_read+0x18/0x30 [ 237.967860] ? kvm_sched_clock_read+0x9/0x20 [ 237.972276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.977814] ? check_preemption_disabled+0x48/0x200 [ 237.982844] irq_exit+0x17f/0x1c0 [ 237.986302] smp_apic_timer_interrupt+0x1cb/0x760 [ 237.991160] ? smp_reschedule_interrupt+0x109/0x650 [ 237.996183] ? smp_call_function_single_interrupt+0x650/0x650 [ 238.002099] ? interrupt_entry+0xb5/0xf0 [ 238.006167] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.011372] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.016405] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.021249] ? trace_hardirqs_off+0x300/0x300 [ 238.025743] ? trace_hardirqs_off+0x300/0x300 [ 238.030242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.035783] ? check_preemption_disabled+0x48/0x200 [ 238.040808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.045670] apic_timer_interrupt+0xf/0x20 [ 238.049902] [ 238.052143] RIP: 0010:console_unlock+0x1017/0x11a0 [ 238.057076] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 238.076079] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 238.083804] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 238.091107] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 238.098834] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 238.106125] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 238.113877] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 238.121174] ? netconsole_netdev_event+0x280/0x280 [ 238.126122] ? console_unlock+0x100e/0x11a0 [ 238.130469] ? devkmsg_read+0xbb0/0xbb0 [ 238.134451] ? vprintk_emit+0x7f7/0x930 [ 238.138446] ? lock_release+0x970/0x970 [ 238.142429] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.148017] ? vprintk_default+0x28/0x30 [ 238.152095] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.157555] ? kasan_check_write+0x14/0x20 [ 238.161807] ? do_raw_spin_lock+0xc1/0x200 [ 238.166058] vprintk_emit+0x33d/0x930 [ 238.169874] ? wake_up_klogd+0x180/0x180 [ 238.173946] ? find_held_lock+0x36/0x1c0 [ 238.178023] ? mark_held_locks+0xc7/0x130 [ 238.182183] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.186689] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.191200] vprintk_default+0x28/0x30 [ 238.195094] vprintk_func+0x7e/0x181 [ 238.198821] printk+0xa7/0xcf [ 238.201930] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 238.206696] ? _raw_spin_unlock_irq+0x60/0x80 [ 238.211720] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 238.217019] dump_header+0x7cc/0xf72 [ 238.220761] ? pagefault_out_of_memory+0x197/0x197 [ 238.225740] ? __lock_acquire+0x7ec/0x4ec0 [ 238.229989] ? print_usage_bug+0xc0/0xc0 [ 238.234066] ? graph_lock+0x170/0x170 [ 238.237874] ? graph_lock+0x170/0x170 [ 238.241684] ? print_usage_bug+0xc0/0xc0 [ 238.245755] ? print_usage_bug+0xc0/0xc0 [ 238.249833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.255389] ? find_held_lock+0x36/0x1c0 [ 238.259466] ? mark_held_locks+0xc7/0x130 [ 238.263629] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 238.268739] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 238.273853] ? lockdep_hardirqs_on+0x421/0x5c0 [ 238.278458] ? trace_hardirqs_on+0xbd/0x310 [ 238.282803] ? kasan_check_read+0x11/0x20 [ 238.286955] ? ___ratelimit+0x36f/0x655 [ 238.290938] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.296401] ? trace_hardirqs_on+0x310/0x310 [ 238.300845] ? lock_downgrade+0x900/0x900 [ 238.305009] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 238.310580] ? ___ratelimit+0xaa/0x655 [ 238.314605] ? idr_get_free+0xec0/0xec0 [ 238.318594] ? kasan_check_write+0x14/0x20 [ 238.322833] ? do_raw_spin_lock+0xc1/0x200 [ 238.327080] oom_kill_process.cold.27+0x10/0x903 [ 238.331842] ? graph_lock+0x170/0x170 [ 238.335643] ? _raw_spin_unlock+0x2c/0x50 [ 238.339793] ? oom_badness+0xe6/0xaa0 [ 238.343614] ? oom_evaluate_task+0x540/0x540 [ 238.348031] ? find_held_lock+0x36/0x1c0 [ 238.352104] ? out_of_memory+0x974/0x14c0 [ 238.356268] ? lock_downgrade+0x900/0x900 [ 238.360459] ? check_preemption_disabled+0x48/0x200 [ 238.365503] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.371326] ? kasan_check_read+0x11/0x20 [ 238.375502] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.380794] ? rcu_bh_qs+0xc0/0xc0 [ 238.384344] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 238.389886] ? oom_evaluate_task+0x302/0x540 [ 238.394308] out_of_memory+0xa86/0x14c0 [ 238.398323] ? oom_killer_disable+0x3a0/0x3a0 [ 238.402823] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 238.408234] ? __mutex_add_waiter+0x2a0/0x2a0 [ 238.412746] __alloc_pages_slowpath+0x2318/0x2d80 [ 238.417628] ? warn_alloc+0x120/0x120 [ 238.421434] ? __radix_tree_lookup+0x4c0/0x4c0 [ 238.426034] ? find_get_entry+0x2f2/0xc40 [ 238.430194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.435748] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 238.440694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.446246] ? should_fail+0x22d/0xd01 [ 238.450153] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.455284] ? __lock_is_held+0xb5/0x140 [ 238.459383] ? __lock_is_held+0xb5/0x140 [ 238.463455] ? find_held_lock+0x36/0x1c0 [ 238.467526] ? ___might_sleep+0x1ed/0x300 [ 238.471675] ? lock_release+0x970/0x970 [ 238.475662] ? arch_local_save_flags+0x40/0x40 [ 238.480277] ? __might_sleep+0x95/0x190 [ 238.484262] __alloc_pages_nodemask+0xa80/0xde0 [ 238.488941] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.493966] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.499769] ? kasan_check_read+0x11/0x20 [ 238.503922] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.509699] ? graph_lock+0x170/0x170 [ 238.513502] ? print_usage_bug+0xc0/0xc0 [ 238.517620] ? graph_lock+0x170/0x170 [ 238.521418] ? graph_lock+0x170/0x170 [ 238.525224] ? __do_page_cache_readahead+0x7ce/0x980 [ 238.530333] ? find_held_lock+0x36/0x1c0 [ 238.534404] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 238.539950] alloc_pages_current+0x10c/0x210 [ 238.544359] ? lock_downgrade+0x900/0x900 [ 238.548518] __page_cache_alloc+0x38f/0x5b0 [ 238.552851] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.558653] ? kasan_check_read+0x11/0x20 [ 238.562809] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.568090] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 238.572762] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.578302] ? check_preemption_disabled+0x48/0x200 [ 238.583330] filemap_fault+0x1594/0x25f0 [ 238.587412] ? __lock_page_or_retry+0xa00/0xa00 [ 238.592085] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.597887] ? kasan_check_read+0x11/0x20 [ 238.602043] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.607791] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 238.612900] ? rcu_bh_qs+0xc0/0xc0 [ 238.616447] ? trace_hardirqs_on+0xbd/0x310 [ 238.620766] ? kasan_check_read+0x11/0x20 [ 238.624914] ? __free_object+0x173/0x340 [ 238.628986] ? filemap_map_pages+0xdea/0x1980 [ 238.633488] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 238.638600] ? __free_object+0x173/0x340 [ 238.642667] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 238.647942] ? debug_object_free+0x325/0x690 [ 238.652358] ? find_get_pages_range_tag+0x1320/0x1320 [ 238.657606] ? graph_lock+0x170/0x170 [ 238.661430] ? kasan_check_read+0x11/0x20 [ 238.665582] ? debug_object_destroy+0x2b0/0x2b0 [ 238.670270] ? lock_acquire+0x1ed/0x520 [ 238.674246] ? ext4_filemap_fault+0x7a/0xad [ 238.678578] ? lock_release+0x970/0x970 [ 238.682571] ? arch_local_save_flags+0x40/0x40 [ 238.687170] ? futex_wait_setup+0x3e0/0x3e0 [ 238.691518] ? down_read+0xb0/0x1d0 [ 238.695146] ? ext4_filemap_fault+0x7a/0xad [ 238.699470] ? __down_interruptible+0x700/0x700 [ 238.704158] ext4_filemap_fault+0x82/0xad [ 238.708835] __do_fault+0x100/0x6b0 [ 238.712486] ? print_bad_pte+0x6c0/0x6c0 [ 238.716548] ? do_futex+0x249/0x26d0 [ 238.720267] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.725726] ? kasan_check_read+0x11/0x20 [ 238.729873] ? pmd_val+0x88/0x100 [ 238.733330] ? add_mm_counter_fast+0xd0/0xd0 [ 238.737741] ? pmd_val+0x88/0x100 [ 238.741193] ? add_mm_counter_fast+0xd0/0xd0 [ 238.745613] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.751157] __handle_mm_fault+0x3709/0x53e0 [ 238.755576] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 238.760445] ? graph_lock+0x170/0x170 [ 238.764246] ? print_usage_bug+0xc0/0xc0 [ 238.768305] ? lockdep_hardirqs_on+0x421/0x5c0 [ 238.772889] ? graph_lock+0x170/0x170 [ 238.776689] ? graph_lock+0x170/0x170 [ 238.780515] ? handle_mm_fault+0x42a/0xc70 [ 238.784755] ? lock_downgrade+0x900/0x900 [ 238.788912] ? check_preemption_disabled+0x48/0x200 [ 238.793939] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.799736] ? kasan_check_read+0x11/0x20 [ 238.803884] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.809637] ? rcu_bh_qs+0xc0/0xc0 [ 238.813182] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.818662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.824305] ? check_preemption_disabled+0x48/0x200 [ 238.829328] handle_mm_fault+0x54f/0xc70 [ 238.833397] ? __handle_mm_fault+0x53e0/0x53e0 [ 238.837995] ? find_vma+0x34/0x190 [ 238.841545] __do_page_fault+0x67d/0xed0 [ 238.845618] ? mm_fault_error+0x380/0x380 [ 238.849777] ? trace_hardirqs_off+0xb8/0x300 [ 238.854183] ? trace_hardirqs_on+0x310/0x310 [ 238.858599] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 238.863967] ? trace_hardirqs_on+0x310/0x310 [ 238.868386] do_page_fault+0xf2/0x7e0 [ 238.872189] ? vmalloc_sync_all+0x30/0x30 [ 238.876338] ? error_entry+0x70/0xd0 [ 238.880053] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.885071] ? trace_hardirqs_on_caller+0xc0/0x300 [ 238.889999] ? syscall_return_slowpath+0x5e0/0x5e0 [ 238.894929] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.899790] ? trace_hardirqs_off+0x300/0x300 [ 238.904300] ? trace_hardirqs_off_caller+0x300/0x300 [ 238.909880] ? prepare_exit_to_usermode+0x291/0x3b0 [ 238.914912] ? page_fault+0x8/0x30 [ 238.918456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.923300] ? page_fault+0x8/0x30 [ 238.926841] page_fault+0x1e/0x30 [ 238.930296] RIP: 0033:0x45ddf3 [ 238.933507] Code: Bad RIP value. [ 238.936868] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 238.942237] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 238.949512] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 238.956784] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 238.964051] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 238.971316] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 238.978640] warn_alloc_show_mem: 1 callbacks suppressed [ 238.978652] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 238.978655] Mem-Info: [ 238.978684] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 238.978684] active_file:16 inactive_file:19 isolated_file:0 [ 238.978684] unevictable:0 dirty:0 writeback:0 unstable:0 [ 238.978684] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 238.978684] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 238.978684] free:13708 free_pcp:124 free_cma:0 [ 238.984028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.984037] Call Trace: [ 238.991237] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 238.993643] [ 239.026978] Node 0 [ 239.036347] dump_stack+0x1c4/0x2b4 [ 239.038938] 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 [ 239.066590] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.068719] lowmem_reserve[]: [ 239.070986] warn_alloc.cold.118+0xb7/0x1bd [ 239.074580] 0 [ 239.100080] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.105698] 2817 6321 [ 239.108831] ? lock_downgrade+0x900/0x900 [ 239.113130] 6321 [ 239.114936] ? trace_hardirqs_off+0xb8/0x300 [ 239.122244] ? trace_hardirqs_off+0xb8/0x300 [ 239.126368] Node 0 [ 239.128457] __alloc_pages_slowpath+0x2667/0x2d80 [ 239.132861] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 239.137276] ? warn_alloc+0x120/0x120 [ 239.139462] lowmem_reserve[]: 0 [ 239.144311] ? trace_hardirqs_on+0x310/0x310 [ 239.171267] 0 3503 [ 239.175074] ? warn_alloc+0x120/0x120 [ 239.178324] 3503 [ 239.182738] ? print_usage_bug+0xc0/0xc0 [ 239.184955] Node 0 [ 239.188756] ? warn_alloc+0x120/0x120 [ 239.190827] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 239.194861] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 239.197071] lowmem_reserve[]: 0 [ 239.200882] ? print_usage_bug+0xc0/0xc0 [ 239.229559] 0 0 [ 239.234587] ? __lock_acquire+0x7ec/0x4ec0 [ 239.237847] 0 [ 239.241909] ? __lock_acquire+0x7ec/0x4ec0 [ 239.243869] Node 0 [ 239.248106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.249911] DMA: [ 239.254143] ? should_fail+0x22d/0xd01 [ 239.256359] 1*4kB [ 239.261899] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.263936] (U) [ 239.267821] ? __lock_acquire+0x7ec/0x4ec0 [ 239.269946] 0*8kB 0*16kB [ 239.275058] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.277012] 1*32kB (U) [ 239.281251] ? __lock_acquire+0x7ec/0x4ec0 [ 239.283987] 2*64kB [ 239.289085] ? should_fail+0x22d/0xd01 [ 239.291655] (U) [ 239.295915] ? print_usage_bug+0xc0/0xc0 [ 239.298124] 1*128kB (U) [ 239.302026] ? mark_held_locks+0x130/0x130 [ 239.303972] 1*256kB (U) [ 239.308039] ? mark_held_locks+0x130/0x130 [ 239.310688] 0*512kB 1*1024kB [ 239.314931] ? graph_lock+0x170/0x170 [ 239.317576] (U) [ 239.321811] ? print_usage_bug+0xc0/0xc0 [ 239.324891] 1*2048kB (M) [ 239.328694] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.328712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.330667] 3*4096kB (M) [ 239.334738] ? check_preemption_disabled+0x48/0x200 [ 239.337469] = 15908kB [ 239.337478] Node 0 [ 239.342232] ? check_preemption_disabled+0x48/0x200 [ 239.347747] DMA32: 3*4kB [ 239.350516] ? __lock_is_held+0xb5/0x140 [ 239.355501] (UM) [ 239.357929] __alloc_pages_nodemask+0xa80/0xde0 [ 239.360141] 2*8kB [ 239.365149] ? graph_lock+0x170/0x170 [ 239.367877] (M) 3*16kB (UM) [ 239.371976] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 239.374014] 3*32kB (M) [ 239.378685] ? graph_lock+0x170/0x170 [ 239.380807] 3*64kB (UM) [ 239.384616] ? find_held_lock+0x36/0x1c0 [ 239.387613] 4*128kB [ 239.392626] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.395205] (UM) 3*256kB [ 239.399012] ? lock_downgrade+0x900/0x900 [ 239.401660] (M) [ 239.405724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.408461] 4*512kB (M) [ 239.413148] cache_grow_begin+0x91/0x8c0 [ 239.415882] 3*1024kB (UM) [ 239.420037] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.421991] 1*2048kB [ 239.427524] fallback_alloc+0x203/0x2e0 [ 239.430176] (M) [ 239.434232] ____cache_alloc_node+0x1c7/0x1e0 [ 239.437050] 4*4096kB (M) [ 239.441468] kmem_cache_alloc_node+0xe3/0x730 [ 239.443854] = 25196kB [ 239.443862] Node 0 [ 239.447838] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.449785] Normal: 852*4kB [ 239.454302] __alloc_skb+0x119/0x770 [ 239.457032] (UMEH) [ 239.461545] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.463931] 324*8kB [ 239.466165] ? skb_scrub_packet+0x490/0x490 [ 239.470382] (UMEH) [ 239.473413] ? lock_downgrade+0x900/0x900 [ 239.477098] 169*16kB (UMEH) [ 239.479343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.484596] 81*32kB (UMEH) [ 239.486933] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.491229] 31*64kB [ 239.493461] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.497592] (UMH) [ 239.500599] ? addrconf_rs_timer+0x6f0/0x6f0 [ 239.500627] ndisc_alloc_skb+0x144/0x340 [ 239.506128] 3*128kB (H) [ 239.509068] ndisc_send_rs+0x331/0x6e0 [ 239.514491] 1*256kB (H) [ 239.516826] addrconf_rs_timer+0x3c0/0x6f0 [ 239.522254] 0*512kB [ 239.524402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.528785] 0*1024kB 0*2048kB [ 239.532865] call_timer_fn+0x272/0x920 [ 239.535503] 0*4096kB = 13920kB [ 239.539400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.539417] ? process_timeout+0x40/0x40 [ 239.542077] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 239.546299] ? find_held_lock+0x36/0x1c0 [ 239.548617] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 239.552847] ? __run_timers+0x7da/0xc70 [ 239.556014] 414 total pagecache pages [ 239.559902] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.563081] 0 pages in swap cache [ 239.567301] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.571339] Swap cache stats: add 0, delete 0, find 0/0 [ 239.571349] Free swap = 0kB [ 239.580179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.584218] Total swap = 0kB [ 239.592787] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 239.596740] 1965979 pages RAM [ 239.600538] ? trace_hardirqs_on+0xbd/0x310 [ 239.605004] 0 pages HighMem/MovableOnly [ 239.605013] 342744 pages reserved [ 239.608475] ? kasan_check_read+0x11/0x20 [ 239.612942] 0 pages cma reserved [ 239.613266] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.618335] ? __run_timers+0x7da/0xc70 [ 239.621331] syz-fuzzer cpuset= [ 239.625563] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.628560] / [ 239.633140] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.636230] mems_allowed=0 [ 239.640563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.691285] __run_timers+0x7e5/0xc70 [ 239.695113] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 239.700496] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 239.705566] ? graph_lock+0x170/0x170 [ 239.709393] ? enqueue_hrtimer+0x1a5/0x560 [ 239.713641] ? lock_release+0x970/0x970 [ 239.717629] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 239.722831] ? find_held_lock+0x36/0x1c0 [ 239.726907] ? graph_lock+0x170/0x170 [ 239.730711] ? pvclock_read_flags+0x160/0x160 [ 239.735211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.740753] ? check_preemption_disabled+0x48/0x200 [ 239.745783] ? __lock_is_held+0xb5/0x140 [ 239.749848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.755393] ? check_preemption_disabled+0x48/0x200 [ 239.760422] run_timer_softirq+0x52/0xb0 [ 239.764481] ? rcu_read_lock_sched_held+0x108/0x120 [ 239.769496] __do_softirq+0x30b/0xad8 [ 239.773312] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 239.778421] ? pvclock_read_flags+0x160/0x160 [ 239.782917] ? lapic_next_event+0x5a/0x90 [ 239.787068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.792611] ? check_preemption_disabled+0x48/0x200 [ 239.797632] ? check_preemption_disabled+0x48/0x200 [ 239.802662] ? kvm_clock_read+0x18/0x30 [ 239.806650] ? kvm_sched_clock_read+0x9/0x20 [ 239.811066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.816607] ? check_preemption_disabled+0x48/0x200 [ 239.821644] irq_exit+0x17f/0x1c0 [ 239.825103] smp_apic_timer_interrupt+0x1cb/0x760 [ 239.829946] ? smp_reschedule_interrupt+0x109/0x650 [ 239.834977] ? smp_call_function_single_interrupt+0x650/0x650 [ 239.840869] ? interrupt_entry+0xb5/0xf0 [ 239.844941] ? trace_hardirqs_off_caller+0xbb/0x300 [ 239.849957] ? trace_hardirqs_off_caller+0xbb/0x300 [ 239.854977] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.859824] ? trace_hardirqs_off+0x300/0x300 [ 239.864322] ? trace_hardirqs_off+0x300/0x300 [ 239.868819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.874359] ? check_preemption_disabled+0x48/0x200 [ 239.879375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.884922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.889779] apic_timer_interrupt+0xf/0x20 [ 239.894008] [ 239.896253] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 239.901189] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 239.920090] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 239.927806] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 239.935077] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 239.942375] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 239.949639] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 239.956908] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 239.964222] skb_clone+0x1bb/0x500 [ 239.967764] ? finish_task_switch+0x2f5/0x900 [ 239.972262] ? skb_split+0x11e0/0x11e0 [ 239.976154] ? preempt_notifier_register+0x200/0x200 [ 239.981260] ? __switch_to_asm+0x34/0x70 [ 239.985319] ? __switch_to_asm+0x34/0x70 [ 239.989408] ? __switch_to_asm+0x40/0x70 [ 239.993468] ? __switch_to_asm+0x34/0x70 [ 239.997533] ? __switch_to_asm+0x40/0x70 [ 240.001594] ? __switch_to_asm+0x34/0x70 [ 240.005655] ? __switch_to_asm+0x40/0x70 [ 240.009730] ? __switch_to_asm+0x34/0x70 [ 240.013803] ? __switch_to_asm+0x34/0x70 [ 240.017874] ? __switch_to_asm+0x40/0x70 [ 240.021962] ? __switch_to_asm+0x34/0x70 [ 240.026039] bpf_clone_redirect+0xb9/0x490 [ 240.030283] ? __schedule+0x874/0x1ed0 [ 240.034178] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 240.039202] ? __sched_text_start+0x8/0x8 [ 240.043366] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.048136] ? find_held_lock+0x36/0x1c0 [ 240.052207] ? lock_acquire+0x1ed/0x520 [ 240.056182] ? bpf_test_run+0x32e/0x5a0 [ 240.060156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.065703] ? check_preemption_disabled+0x48/0x200 [ 240.070729] ? kasan_check_read+0x11/0x20 [ 240.074893] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.080175] ? rcu_bh_qs+0xc0/0xc0 [ 240.083753] ? preempt_schedule+0x4d/0x60 [ 240.087917] ? ___preempt_schedule+0x16/0x18 [ 240.092343] ? bpf_test_run+0x1c0/0x5a0 [ 240.096343] ? netlink_diag_dump+0x2a0/0x2a0 [ 240.100757] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.106309] ? bpf_test_init.isra.9+0x70/0x100 [ 240.110917] ? bpf_prog_test_run_skb+0x634/0xb40 [ 240.115697] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 240.120539] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 240.126071] ? fput+0x130/0x1a0 [ 240.129375] ? __bpf_prog_get+0x9b/0x290 [ 240.133436] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 240.138279] ? bpf_prog_test_run+0x130/0x1a0 [ 240.142696] ? __x64_sys_bpf+0x3d8/0x510 [ 240.146762] ? bpf_prog_get+0x20/0x20 [ 240.150570] ? ksys_ioctl+0x81/0xd0 [ 240.154212] ? do_syscall_64+0x1b9/0x820 [ 240.158277] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 240.163644] ? syscall_return_slowpath+0x5e0/0x5e0 [ 240.168576] ? trace_hardirqs_off+0x300/0x300 [ 240.173074] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 240.178094] ? recalc_sigpending_tsk+0x180/0x180 [ 240.182854] ? kasan_check_write+0x14/0x20 [ 240.187105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.191958] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.197342] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 240.197415] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 240.204284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.204290] Call Trace: [ 240.204296] [ 240.204312] dump_stack+0x1c4/0x2b4 [ 240.204334] ? dump_stack_print_info.cold.2+0x52/0x52 [ 240.210909] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.220177] warn_alloc.cold.118+0xb7/0x1bd [ 240.222737] syz-executor7 cpuset= [ 240.224881] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.228491] syz7 [ 240.233679] ? lock_downgrade+0x900/0x900 [ 240.244152] mems_allowed=0 [ 240.248501] ? trace_hardirqs_off+0xb8/0x300 [ 240.270173] ? trace_hardirqs_off+0xb8/0x300 [ 240.274598] __alloc_pages_slowpath+0x2667/0x2d80 [ 240.279474] ? warn_alloc+0x120/0x120 [ 240.283283] ? warn_alloc+0x120/0x120 [ 240.287088] ? print_usage_bug+0xc0/0xc0 [ 240.291158] ? warn_alloc+0x120/0x120 [ 240.294959] ? print_usage_bug+0xc0/0xc0 [ 240.299033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.304593] ? should_fail+0x22d/0xd01 [ 240.308931] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.314050] ? __lock_acquire+0x7ec/0x4ec0 [ 240.318295] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.323399] ? __lock_acquire+0x7ec/0x4ec0 [ 240.327635] ? should_fail+0x22d/0xd01 [ 240.331531] ? mark_held_locks+0x130/0x130 [ 240.335796] ? mark_held_locks+0x130/0x130 [ 240.340031] ? graph_lock+0x170/0x170 [ 240.343842] ? graph_lock+0x170/0x170 [ 240.347651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.353197] ? check_preemption_disabled+0x48/0x200 [ 240.358213] ? check_preemption_disabled+0x48/0x200 [ 240.363242] ? __lock_is_held+0xb5/0x140 [ 240.367312] __alloc_pages_nodemask+0xa80/0xde0 [ 240.371986] ? graph_lock+0x170/0x170 [ 240.375792] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.380812] ? graph_lock+0x170/0x170 [ 240.384628] ? find_held_lock+0x36/0x1c0 [ 240.388714] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.393390] ? lock_downgrade+0x900/0x900 [ 240.397544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.403087] cache_grow_begin+0x91/0x8c0 [ 240.407630] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.412060] fallback_alloc+0x203/0x2e0 [ 240.416043] ____cache_alloc_node+0x1c7/0x1e0 [ 240.420546] __kmalloc+0x208/0x760 [ 240.424098] ? __neigh_create+0x30b/0x2130 [ 240.428340] __neigh_create+0x30b/0x2130 [ 240.432406] ? trace_hardirqs_on+0xbd/0x310 [ 240.436736] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 240.442278] ? ip6t_do_table+0xd9e/0x1d30 [ 240.446439] ? mark_held_locks+0x130/0x130 [ 240.450679] ? __local_bh_enable_ip+0x160/0x260 [ 240.455358] ? neigh_hash_alloc+0x1e0/0x1e0 [ 240.459687] ? trace_hardirqs_on+0xbd/0x310 [ 240.464034] ? ip6t_do_table+0xd9e/0x1d30 [ 240.468186] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.473637] ? trace_hardirqs_on+0xbd/0x310 [ 240.477970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.483507] ? ip6t_do_table+0xd6a/0x1d30 [ 240.487666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.493210] ? check_preemption_disabled+0x48/0x200 [ 240.498232] ? check_preemption_disabled+0x48/0x200 [ 240.503257] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 240.509272] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.514556] ? rcu_pm_notify+0xc0/0xc0 [ 240.518453] ? graph_lock+0x170/0x170 [ 240.522256] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 240.527461] ip6_finish_output2+0xa59/0x27a0 [ 240.531887] ? ip6_copy_metadata+0xe30/0xe30 [ 240.536304] ? ip6_mtu+0x39c/0x520 [ 240.539846] ? lock_downgrade+0x900/0x900 [ 240.544000] ? check_preemption_disabled+0x48/0x200 [ 240.549029] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.554844] ? kasan_check_read+0x11/0x20 [ 240.559085] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.564367] ? rcu_bh_qs+0xc0/0xc0 [ 240.567926] ? ip6_mtu+0x160/0x520 [ 240.571468] ? dst_hold+0x2f0/0x2f0 [ 240.575102] ? kasan_check_read+0x11/0x20 [ 240.579253] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.584533] ? nf_nat_ipv6_out+0x212/0x550 [ 240.588774] ip6_finish_output+0x5fe/0xbc0 [ 240.593008] ? ip6_finish_output+0x5fe/0xbc0 [ 240.597421] ip6_output+0x23e/0xa00 [ 240.601058] ? check_preemption_disabled+0x48/0x200 [ 240.606090] ? ip6_finish_output+0xbc0/0xbc0 [ 240.611027] ? ip6_fragment+0x38c0/0x38c0 [ 240.615202] ? __lock_is_held+0xb5/0x140 [ 240.619281] ndisc_send_skb+0x1005/0x1570 [ 240.623439] ? ndisc_constructor+0xc40/0xc40 [ 240.627863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.633409] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.638866] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.644339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.649890] ndisc_send_rs+0x134/0x6e0 [ 240.653790] addrconf_rs_timer+0x3c0/0x6f0 [ 240.658032] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.662290] call_timer_fn+0x272/0x920 [ 240.666187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.670427] ? process_timeout+0x40/0x40 [ 240.674487] ? find_held_lock+0x36/0x1c0 [ 240.678563] ? mark_held_locks+0xc7/0x130 [ 240.682745] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.687239] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.691733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.695972] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 240.700555] ? trace_hardirqs_on+0xbd/0x310 [ 240.704886] ? kasan_check_read+0x11/0x20 [ 240.709524] ? __run_timers+0x7da/0xc70 [ 240.713505] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.718962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.723205] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.727442] __run_timers+0x7e5/0xc70 [ 240.731256] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 240.736632] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.741653] ? graph_lock+0x170/0x170 [ 240.745463] ? print_usage_bug+0xc0/0xc0 [ 240.749527] ? lock_release+0x970/0x970 [ 240.753503] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 240.758703] ? find_held_lock+0x36/0x1c0 [ 240.762772] ? graph_lock+0x170/0x170 [ 240.766625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.772170] ? check_preemption_disabled+0x48/0x200 [ 240.777202] ? __lock_is_held+0xb5/0x140 [ 240.781280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.786837] ? check_preemption_disabled+0x48/0x200 [ 240.791862] run_timer_softirq+0x52/0xb0 [ 240.795932] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.800970] __do_softirq+0x30b/0xad8 [ 240.804791] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 240.810408] ? pvclock_read_flags+0x160/0x160 [ 240.814905] ? lapic_next_event+0x5a/0x90 [ 240.819058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.824606] ? check_preemption_disabled+0x48/0x200 [ 240.829644] ? check_preemption_disabled+0x48/0x200 [ 240.834668] ? kvm_clock_read+0x18/0x30 [ 240.838687] ? kvm_sched_clock_read+0x9/0x20 [ 240.843102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.848651] ? check_preemption_disabled+0x48/0x200 [ 240.853684] irq_exit+0x17f/0x1c0 [ 240.857144] smp_apic_timer_interrupt+0x1cb/0x760 [ 240.861989] ? smp_reschedule_interrupt+0x109/0x650 [ 240.867010] ? smp_call_function_single_interrupt+0x650/0x650 [ 240.873333] ? interrupt_entry+0xb5/0xf0 [ 240.877405] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.882426] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.887445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.892291] ? trace_hardirqs_off+0x300/0x300 [ 240.896787] ? trace_hardirqs_off+0x300/0x300 [ 240.901285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.906851] ? check_preemption_disabled+0x48/0x200 [ 240.912229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.917106] apic_timer_interrupt+0xf/0x20 [ 240.921360] [ 240.923610] RIP: 0010:console_unlock+0x1017/0x11a0 [ 240.928550] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 240.947447] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 240.955163] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 240.962433] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 240.969703] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 240.976973] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 240.984244] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 240.991532] ? netconsole_netdev_event+0x280/0x280 [ 240.996706] ? console_unlock+0x100e/0x11a0 [ 241.001050] ? devkmsg_read+0xbb0/0xbb0 [ 241.005023] ? vprintk_emit+0x7f7/0x930 [ 241.009328] ? lock_release+0x970/0x970 [ 241.013312] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.018777] ? vprintk_default+0x28/0x30 [ 241.022843] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.028327] ? kasan_check_write+0x14/0x20 [ 241.032565] ? do_raw_spin_lock+0xc1/0x200 [ 241.036814] vprintk_emit+0x33d/0x930 [ 241.040663] ? wake_up_klogd+0x180/0x180 [ 241.044749] ? find_held_lock+0x36/0x1c0 [ 241.048837] ? mark_held_locks+0xc7/0x130 [ 241.052991] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.057491] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.062009] vprintk_default+0x28/0x30 [ 241.065903] vprintk_func+0x7e/0x181 [ 241.069648] printk+0xa7/0xcf [ 241.072793] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 241.077567] ? _raw_spin_unlock_irq+0x60/0x80 [ 241.082082] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 241.087370] dump_header+0x7cc/0xf72 [ 241.091103] ? pagefault_out_of_memory+0x197/0x197 [ 241.096047] ? __lock_acquire+0x7ec/0x4ec0 [ 241.100287] ? print_usage_bug+0xc0/0xc0 [ 241.104863] ? graph_lock+0x170/0x170 [ 241.109174] ? graph_lock+0x170/0x170 [ 241.112982] ? print_usage_bug+0xc0/0xc0 [ 241.117052] ? print_usage_bug+0xc0/0xc0 [ 241.121119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.126664] ? find_held_lock+0x36/0x1c0 [ 241.130739] ? mark_held_locks+0xc7/0x130 [ 241.134896] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 241.139997] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 241.145101] ? lockdep_hardirqs_on+0x421/0x5c0 [ 241.149687] ? trace_hardirqs_on+0xbd/0x310 [ 241.154010] ? kasan_check_read+0x11/0x20 [ 241.158164] ? ___ratelimit+0x36f/0x655 [ 241.162142] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.167601] ? trace_hardirqs_on+0x310/0x310 [ 241.172012] ? lock_downgrade+0x900/0x900 [ 241.176166] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.181273] ? ___ratelimit+0xaa/0x655 [ 241.185163] ? idr_get_free+0xec0/0xec0 [ 241.189142] ? kasan_check_write+0x14/0x20 [ 241.193388] ? do_raw_spin_lock+0xc1/0x200 [ 241.197634] oom_kill_process.cold.27+0x10/0x903 [ 241.202398] ? graph_lock+0x170/0x170 [ 241.206207] ? _raw_spin_unlock+0x2c/0x50 [ 241.210822] ? oom_badness+0xe6/0xaa0 [ 241.214653] ? oom_evaluate_task+0x540/0x540 [ 241.219076] ? find_held_lock+0x36/0x1c0 [ 241.223144] ? out_of_memory+0x974/0x14c0 [ 241.227293] ? lock_downgrade+0x900/0x900 [ 241.231441] ? check_preemption_disabled+0x48/0x200 [ 241.236463] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 241.242260] ? kasan_check_read+0x11/0x20 [ 241.246412] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.251694] ? rcu_bh_qs+0xc0/0xc0 [ 241.255239] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 241.260794] ? oom_evaluate_task+0x302/0x540 [ 241.265206] out_of_memory+0xa86/0x14c0 [ 241.269189] ? oom_killer_disable+0x3a0/0x3a0 [ 241.273697] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 241.278633] ? __mutex_add_waiter+0x2a0/0x2a0 [ 241.283155] __alloc_pages_slowpath+0x2318/0x2d80 [ 241.288031] ? warn_alloc+0x120/0x120 [ 241.291860] ? __radix_tree_lookup+0x4c0/0x4c0 [ 241.296460] ? find_get_entry+0x2f2/0xc40 [ 241.300640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.306180] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 241.311289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.316857] ? should_fail+0x22d/0xd01 [ 241.320750] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.325852] ? __lock_is_held+0xb5/0x140 [ 241.329957] ? __lock_is_held+0xb5/0x140 [ 241.334047] ? find_held_lock+0x36/0x1c0 [ 241.338126] ? ___might_sleep+0x1ed/0x300 [ 241.342271] ? lock_release+0x970/0x970 [ 241.346245] ? arch_local_save_flags+0x40/0x40 [ 241.350856] ? __might_sleep+0x95/0x190 [ 241.354836] __alloc_pages_nodemask+0xa80/0xde0 [ 241.359511] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 241.364541] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 241.370338] ? kasan_check_read+0x11/0x20 [ 241.374486] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.379765] ? graph_lock+0x170/0x170 [ 241.383567] ? print_usage_bug+0xc0/0xc0 [ 241.387643] ? graph_lock+0x170/0x170 [ 241.391440] ? graph_lock+0x170/0x170 [ 241.395239] ? __do_page_cache_readahead+0x7ce/0x980 [ 241.400346] ? find_held_lock+0x36/0x1c0 [ 241.404417] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 241.410407] alloc_pages_current+0x10c/0x210 [ 241.414816] ? lock_downgrade+0x900/0x900 [ 241.418970] __page_cache_alloc+0x38f/0x5b0 [ 241.423295] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 241.429093] ? kasan_check_read+0x11/0x20 [ 241.433244] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.438524] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 241.443198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.448753] ? check_preemption_disabled+0x48/0x200 [ 241.453781] filemap_fault+0x1594/0x25f0 [ 241.457857] ? __lock_page_or_retry+0xa00/0xa00 [ 241.462531] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 241.468327] ? kasan_check_read+0x11/0x20 [ 241.472480] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.477760] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 241.482867] ? rcu_bh_qs+0xc0/0xc0 [ 241.486422] ? trace_hardirqs_on+0xbd/0x310 [ 241.490749] ? kasan_check_read+0x11/0x20 [ 241.494894] ? __free_object+0x173/0x340 [ 241.498968] ? filemap_map_pages+0xdea/0x1980 [ 241.503477] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.509090] ? __free_object+0x173/0x340 [ 241.513154] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 241.518429] ? debug_object_free+0x325/0x690 [ 241.522843] ? find_get_pages_range_tag+0x1320/0x1320 [ 241.528040] ? graph_lock+0x170/0x170 [ 241.531849] ? kasan_check_read+0x11/0x20 [ 241.536000] ? debug_object_destroy+0x2b0/0x2b0 [ 241.540684] ? lock_acquire+0x1ed/0x520 [ 241.544663] ? ext4_filemap_fault+0x7a/0xad [ 241.548994] ? lock_release+0x970/0x970 [ 241.552970] ? arch_local_save_flags+0x40/0x40 [ 241.557556] ? futex_wait_setup+0x3e0/0x3e0 [ 241.561895] ? down_read+0xb0/0x1d0 [ 241.565524] ? ext4_filemap_fault+0x7a/0xad [ 241.569860] ? __down_interruptible+0x700/0x700 [ 241.574553] ext4_filemap_fault+0x82/0xad [ 241.578712] __do_fault+0x100/0x6b0 [ 241.582343] ? print_bad_pte+0x6c0/0x6c0 [ 241.586415] ? do_futex+0x249/0x26d0 [ 241.590128] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.595592] ? kasan_check_read+0x11/0x20 [ 241.599747] ? pmd_val+0x88/0x100 [ 241.603204] ? add_mm_counter_fast+0xd0/0xd0 [ 241.608139] ? pmd_val+0x88/0x100 [ 241.611601] ? add_mm_counter_fast+0xd0/0xd0 [ 241.616016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.621561] __handle_mm_fault+0x3709/0x53e0 [ 241.625992] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 241.630836] ? graph_lock+0x170/0x170 [ 241.634644] ? print_usage_bug+0xc0/0xc0 [ 241.638719] ? lockdep_hardirqs_on+0x421/0x5c0 [ 241.643308] ? graph_lock+0x170/0x170 [ 241.647111] ? graph_lock+0x170/0x170 [ 241.650931] ? handle_mm_fault+0x42a/0xc70 [ 241.655168] ? lock_downgrade+0x900/0x900 [ 241.659317] ? check_preemption_disabled+0x48/0x200 [ 241.664344] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 241.670147] ? kasan_check_read+0x11/0x20 [ 241.674314] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.679600] ? rcu_bh_qs+0xc0/0xc0 [ 241.683142] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.688605] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.694147] ? check_preemption_disabled+0x48/0x200 [ 241.699176] handle_mm_fault+0x54f/0xc70 [ 241.703245] ? __handle_mm_fault+0x53e0/0x53e0 [ 241.708319] ? find_vma+0x34/0x190 [ 241.711874] __do_page_fault+0x67d/0xed0 [ 241.715943] ? mm_fault_error+0x380/0x380 [ 241.720091] ? trace_hardirqs_off+0xb8/0x300 [ 241.724498] ? trace_hardirqs_on+0x310/0x310 [ 241.728914] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.734278] ? trace_hardirqs_on+0x310/0x310 [ 241.738696] do_page_fault+0xf2/0x7e0 [ 241.742503] ? vmalloc_sync_all+0x30/0x30 [ 241.746654] ? error_entry+0x70/0xd0 [ 241.750373] ? trace_hardirqs_off_caller+0xbb/0x300 [ 241.755401] ? trace_hardirqs_on_caller+0xc0/0x300 [ 241.760330] ? syscall_return_slowpath+0x5e0/0x5e0 [ 241.765258] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.770104] ? trace_hardirqs_off+0x300/0x300 [ 241.774616] ? trace_hardirqs_off_caller+0x300/0x300 [ 241.779725] ? prepare_exit_to_usermode+0x291/0x3b0 [ 241.784741] ? page_fault+0x8/0x30 [ 241.788284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.793129] ? page_fault+0x8/0x30 [ 241.796675] page_fault+0x1e/0x30 [ 241.800127] RIP: 0033:0x45ddf3 [ 241.803326] Code: Bad RIP value. [ 241.806687] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 241.812564] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 241.819836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 241.827112] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 241.834384] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 241.841677] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 241.848969] warn_alloc_show_mem: 1 callbacks suppressed [ 241.848981] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 241.848983] Mem-Info: [ 241.849013] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 241.849013] active_file:16 inactive_file:19 isolated_file:0 [ 241.849013] unevictable:0 dirty:0 writeback:0 unstable:0 [ 241.849013] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 241.849013] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 241.849013] free:13708 free_pcp:124 free_cma:0 [ 241.854353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.854362] Call Trace: [ 241.861567] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 241.863965] [ 241.896833] Node 0 [ 241.906199] dump_stack+0x1c4/0x2b4 [ 241.909283] 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 [ 241.936940] ? dump_stack_print_info.cold.2+0x52/0x52 [ 241.939069] lowmem_reserve[]: 0 [ 241.941322] warn_alloc.cold.118+0xb7/0x1bd [ 241.944910] 2817 6321 [ 241.970430] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.975602] 6321 [ 241.978887] ? lock_downgrade+0x900/0x900 [ 241.983178] Node 0 [ 241.985676] ? trace_hardirqs_off+0xb8/0x300 [ 241.990516] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 241.992569] ? trace_hardirqs_off+0xb8/0x300 [ 241.996685] lowmem_reserve[]: 0 [ 241.998934] __alloc_pages_slowpath+0x2667/0x2d80 [ 242.003316] 0 [ 242.031093] ? warn_alloc+0x120/0x120 [ 242.035463] 3503 [ 242.038746] ? trace_hardirqs_on+0x310/0x310 [ 242.043563] 3503 [ 242.045361] ? warn_alloc+0x120/0x120 [ 242.049153] Node 0 [ 242.051211] ? print_usage_bug+0xc0/0xc0 [ 242.055623] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 242.057656] ? warn_alloc+0x120/0x120 [ 242.061425] lowmem_reserve[]: 0 [ 242.063675] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 242.067718] 0 [ 242.095931] ? print_usage_bug+0xc0/0xc0 [ 242.099732] 0 [ 242.103017] ? __lock_acquire+0x7ec/0x4ec0 [ 242.108479] 0 [ 242.110303] ? __lock_acquire+0x7ec/0x4ec0 [ 242.114357] Node 0 [ 242.116163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.120365] DMA: 1*4kB [ 242.122184] ? should_fail+0x22d/0xd01 [ 242.126390] (U) 0*8kB [ 242.128660] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.134164] 0*16kB 1*32kB [ 242.136804] ? __lock_acquire+0x7ec/0x4ec0 [ 242.140671] (U) [ 242.143224] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.148307] 2*64kB (U) [ 242.151171] ? __lock_acquire+0x7ec/0x4ec0 [ 242.155405] 1*128kB [ 242.157382] ? should_fail+0x22d/0xd01 [ 242.162457] (U) 1*256kB [ 242.165058] ? print_usage_bug+0xc0/0xc0 [ 242.169257] (U) 0*512kB [ 242.171636] ? mark_held_locks+0x130/0x130 [ 242.175503] 1*1024kB (U) [ 242.178191] ? mark_held_locks+0x130/0x130 [ 242.182221] 1*2048kB (M) [ 242.184914] ? graph_lock+0x170/0x170 [ 242.189121] 3*4096kB [ 242.191885] ? print_usage_bug+0xc0/0xc0 [ 242.196082] (M) = 15908kB [ 242.198851] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.202628] Node 0 [ 242.205042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.209506] DMA32: 3*4kB [ 242.212279] ? check_preemption_disabled+0x48/0x200 [ 242.217005] (UM) 2*8kB [ 242.219249] ? check_preemption_disabled+0x48/0x200 [ 242.224759] (M) [ 242.227522] ? __lock_is_held+0xb5/0x140 [ 242.232504] 3*16kB (UM) [ 242.235101] __alloc_pages_nodemask+0xa80/0xde0 [ 242.240093] 3*32kB [ 242.242064] ? graph_lock+0x170/0x170 [ 242.246104] (M) [ 242.248771] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 242.253427] 3*64kB [ 242.255658] ? graph_lock+0x170/0x170 [ 242.259434] (UM) 4*128kB [ 242.261426] ? find_held_lock+0x36/0x1c0 [ 242.266406] (UM) 3*256kB [ 242.268654] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.272419] (M) 4*512kB [ 242.275179] ? lock_downgrade+0x900/0x900 [ 242.279220] (M) [ 242.281981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.286630] 3*1024kB [ 242.289299] cache_grow_begin+0x91/0x8c0 [ 242.293426] (UM) [ 242.295427] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.300933] 1*2048kB (M) [ 242.303352] fallback_alloc+0x203/0x2e0 [ 242.307873] 4*4096kB (M) [ 242.309958] ____cache_alloc_node+0x1c7/0x1e0 [ 242.314349] = 25196kB [ 242.314357] Node 0 [ 242.317136] kmem_cache_alloc_node+0xe3/0x730 [ 242.321084] Normal: [ 242.323842] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.328313] 852*4kB [ 242.330722] __alloc_skb+0x119/0x770 [ 242.332928] (UMEH) 324*8kB (UMEH) [ 242.337438] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.339736] 169*16kB (UMEH) [ 242.343983] ? skb_scrub_packet+0x490/0x490 [ 242.346312] 81*32kB (UMEH) [ 242.350024] ? lock_downgrade+0x900/0x900 [ 242.353539] 31*64kB (UMH) [ 242.358824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.361836] 3*128kB (H) [ 242.366167] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.369068] 1*256kB (H) [ 242.373220] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.376143] 0*512kB 0*1024kB [ 242.381711] ? addrconf_rs_timer+0x6f0/0x6f0 [ 242.384362] 0*2048kB 0*4096kB [ 242.389830] ndisc_alloc_skb+0x144/0x340 [ 242.392463] = 13920kB [ 242.392488] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 242.397927] ndisc_send_rs+0x331/0x6e0 [ 242.401009] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 242.401018] 414 total pagecache pages [ 242.405422] addrconf_rs_timer+0x3c0/0x6f0 [ 242.409090] 0 pages in swap cache [ 242.413142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.415528] Swap cache stats: add 0, delete 0, find 0/0 [ 242.415538] Free swap = 0kB [ 242.424375] call_timer_fn+0x272/0x920 [ 242.428252] Total swap = 0kB [ 242.436816] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.440598] 1965979 pages RAM [ 242.444834] ? process_timeout+0x40/0x40 [ 242.448273] 0 pages HighMem/MovableOnly [ 242.448282] 342744 pages reserved [ 242.452510] ? find_held_lock+0x36/0x1c0 [ 242.457843] 0 pages cma reserved [ 242.458167] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 242.460886] ? __run_timers+0x7da/0xc70 [ 242.464757] syz-fuzzer cpuset= [ 242.467773] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.471982] / [ 242.475080] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.479130] mems_allowed=0 [ 242.483097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.529094] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 242.533695] ? trace_hardirqs_on+0xbd/0x310 [ 242.538018] ? kasan_check_read+0x11/0x20 [ 242.542166] ? __run_timers+0x7da/0xc70 [ 242.546165] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.551636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.555893] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.560131] __run_timers+0x7e5/0xc70 [ 242.563946] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 242.569321] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 242.574338] ? graph_lock+0x170/0x170 [ 242.578141] ? enqueue_hrtimer+0x1a5/0x560 [ 242.582374] ? lock_release+0x970/0x970 [ 242.586352] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 242.591559] ? find_held_lock+0x36/0x1c0 [ 242.595629] ? graph_lock+0x170/0x170 [ 242.599431] ? pvclock_read_flags+0x160/0x160 [ 242.603960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.609517] ? check_preemption_disabled+0x48/0x200 [ 242.614546] ? __lock_is_held+0xb5/0x140 [ 242.618609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.624149] ? check_preemption_disabled+0x48/0x200 [ 242.629190] run_timer_softirq+0x52/0xb0 [ 242.633251] ? rcu_read_lock_sched_held+0x108/0x120 [ 242.638271] __do_softirq+0x30b/0xad8 [ 242.642087] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 242.647225] ? pvclock_read_flags+0x160/0x160 [ 242.651720] ? lapic_next_event+0x5a/0x90 [ 242.655870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.661413] ? check_preemption_disabled+0x48/0x200 [ 242.666427] ? check_preemption_disabled+0x48/0x200 [ 242.671452] ? kvm_clock_read+0x18/0x30 [ 242.675425] ? kvm_sched_clock_read+0x9/0x20 [ 242.679835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.685374] ? check_preemption_disabled+0x48/0x200 [ 242.690403] irq_exit+0x17f/0x1c0 [ 242.693860] smp_apic_timer_interrupt+0x1cb/0x760 [ 242.698708] ? smp_reschedule_interrupt+0x109/0x650 [ 242.703746] ? smp_call_function_single_interrupt+0x650/0x650 [ 242.709737] ? interrupt_entry+0xb5/0xf0 [ 242.713803] ? trace_hardirqs_off_caller+0xbb/0x300 [ 242.718818] ? trace_hardirqs_off_caller+0xbb/0x300 [ 242.723843] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.728695] ? trace_hardirqs_off+0x300/0x300 [ 242.733190] ? trace_hardirqs_off+0x300/0x300 [ 242.737701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.743240] ? check_preemption_disabled+0x48/0x200 [ 242.748255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.753800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.758651] apic_timer_interrupt+0xf/0x20 [ 242.762886] [ 242.765126] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 242.770057] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 242.788957] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 242.796666] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 242.803991] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 242.811269] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 242.818540] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 242.825810] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 242.833117] skb_clone+0x1bb/0x500 [ 242.836659] ? finish_task_switch+0x2f5/0x900 [ 242.841160] ? skb_split+0x11e0/0x11e0 [ 242.845056] ? preempt_notifier_register+0x200/0x200 [ 242.850158] ? __switch_to_asm+0x34/0x70 [ 242.854220] ? __switch_to_asm+0x34/0x70 [ 242.858282] ? __switch_to_asm+0x40/0x70 [ 242.862339] ? __switch_to_asm+0x34/0x70 [ 242.866398] ? __switch_to_asm+0x40/0x70 [ 242.870460] ? __switch_to_asm+0x34/0x70 [ 242.874548] ? __switch_to_asm+0x40/0x70 [ 242.878613] ? __switch_to_asm+0x34/0x70 [ 242.882680] ? __switch_to_asm+0x34/0x70 [ 242.886740] ? __switch_to_asm+0x40/0x70 [ 242.890806] ? __switch_to_asm+0x34/0x70 [ 242.894892] bpf_clone_redirect+0xb9/0x490 [ 242.899133] ? __schedule+0x874/0x1ed0 [ 242.903029] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 242.908161] ? __sched_text_start+0x8/0x8 [ 242.912309] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.917082] ? find_held_lock+0x36/0x1c0 [ 242.921151] ? lock_acquire+0x1ed/0x520 [ 242.925123] ? bpf_test_run+0x32e/0x5a0 [ 242.929101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.934649] ? check_preemption_disabled+0x48/0x200 [ 242.939683] ? kasan_check_read+0x11/0x20 [ 242.943838] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.949119] ? rcu_bh_qs+0xc0/0xc0 [ 242.952664] ? preempt_schedule+0x4d/0x60 [ 242.956815] ? ___preempt_schedule+0x16/0x18 [ 242.961234] ? bpf_test_run+0x1c0/0x5a0 [ 242.965220] ? netlink_diag_dump+0x2a0/0x2a0 [ 242.969636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.975175] ? bpf_test_init.isra.9+0x70/0x100 [ 242.979761] ? bpf_prog_test_run_skb+0x634/0xb40 [ 242.984529] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.989371] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 242.994907] ? fput+0x130/0x1a0 [ 242.998731] ? __bpf_prog_get+0x9b/0x290 [ 243.002795] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 243.007741] ? bpf_prog_test_run+0x130/0x1a0 [ 243.012160] ? __x64_sys_bpf+0x3d8/0x510 [ 243.016222] ? bpf_prog_get+0x20/0x20 [ 243.020033] ? ksys_ioctl+0x81/0xd0 [ 243.023676] ? do_syscall_64+0x1b9/0x820 [ 243.027741] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 243.033110] ? syscall_return_slowpath+0x5e0/0x5e0 [ 243.038044] ? trace_hardirqs_off+0x300/0x300 [ 243.042548] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 243.047568] ? recalc_sigpending_tsk+0x180/0x180 [ 243.052325] ? kasan_check_write+0x14/0x20 [ 243.056568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.061419] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.066806] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 243.066888] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.073742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.073747] Call Trace: [ 243.073754] [ 243.073769] dump_stack+0x1c4/0x2b4 [ 243.073785] ? dump_stack_print_info.cold.2+0x52/0x52 [ 243.073812] warn_alloc.cold.118+0xb7/0x1bd [ 243.080365] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.089635] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.092201] syz-executor7 cpuset= [ 243.094346] ? lock_downgrade+0x900/0x900 [ 243.097950] syz7 [ 243.103629] ? trace_hardirqs_off+0xb8/0x300 [ 243.107935] mems_allowed=0 [ 243.118423] ? trace_hardirqs_off+0xb8/0x300 [ 243.144505] __alloc_pages_slowpath+0x2667/0x2d80 [ 243.149384] ? warn_alloc+0x120/0x120 [ 243.153191] ? warn_alloc+0x120/0x120 [ 243.156999] ? print_usage_bug+0xc0/0xc0 [ 243.161061] ? warn_alloc+0x120/0x120 [ 243.164872] ? print_usage_bug+0xc0/0xc0 [ 243.168939] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.174138] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.179687] ? should_fail+0x22d/0xd01 [ 243.183580] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.188699] ? __lock_acquire+0x7ec/0x4ec0 [ 243.192940] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.198044] ? __lock_acquire+0x7ec/0x4ec0 [ 243.202275] ? should_fail+0x22d/0xd01 [ 243.206185] ? mark_held_locks+0x130/0x130 [ 243.210926] ? mark_held_locks+0x130/0x130 [ 243.215219] ? graph_lock+0x170/0x170 [ 243.219031] ? graph_lock+0x170/0x170 [ 243.222836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.228384] ? check_preemption_disabled+0x48/0x200 [ 243.233403] ? check_preemption_disabled+0x48/0x200 [ 243.238435] ? __lock_is_held+0xb5/0x140 [ 243.242504] __alloc_pages_nodemask+0xa80/0xde0 [ 243.247209] ? graph_lock+0x170/0x170 [ 243.251017] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.256033] ? graph_lock+0x170/0x170 [ 243.259846] ? find_held_lock+0x36/0x1c0 [ 243.263920] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.268596] ? lock_downgrade+0x900/0x900 [ 243.272754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.278298] cache_grow_begin+0x91/0x8c0 [ 243.282360] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.286781] fallback_alloc+0x203/0x2e0 [ 243.290763] ____cache_alloc_node+0x1c7/0x1e0 [ 243.295264] __kmalloc+0x208/0x760 [ 243.298815] ? __neigh_create+0x30b/0x2130 [ 243.303060] __neigh_create+0x30b/0x2130 [ 243.307214] ? trace_hardirqs_on+0xbd/0x310 [ 243.311652] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 243.317204] ? ip6t_do_table+0xd9e/0x1d30 [ 243.321364] ? mark_held_locks+0x130/0x130 [ 243.325631] ? __local_bh_enable_ip+0x160/0x260 [ 243.330309] ? neigh_hash_alloc+0x1e0/0x1e0 [ 243.334633] ? trace_hardirqs_on+0xbd/0x310 [ 243.338960] ? ip6t_do_table+0xd9e/0x1d30 [ 243.343111] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.348558] ? trace_hardirqs_on+0xbd/0x310 [ 243.352887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.358426] ? ip6t_do_table+0xd6a/0x1d30 [ 243.362596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.368146] ? check_preemption_disabled+0x48/0x200 [ 243.373160] ? check_preemption_disabled+0x48/0x200 [ 243.378186] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 243.383727] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.389004] ? rcu_pm_notify+0xc0/0xc0 [ 243.392893] ? graph_lock+0x170/0x170 [ 243.396696] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 243.401895] ip6_finish_output2+0xa59/0x27a0 [ 243.406316] ? ip6_copy_metadata+0xe30/0xe30 [ 243.411184] ? ip6_mtu+0x39c/0x520 [ 243.414731] ? lock_downgrade+0x900/0x900 [ 243.418885] ? check_preemption_disabled+0x48/0x200 [ 243.423908] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.429710] ? kasan_check_read+0x11/0x20 [ 243.433860] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.439139] ? rcu_bh_qs+0xc0/0xc0 [ 243.442711] ? ip6_mtu+0x160/0x520 [ 243.446250] ? dst_hold+0x2f0/0x2f0 [ 243.449877] ? kasan_check_read+0x11/0x20 [ 243.454026] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.459307] ? nf_nat_ipv6_out+0x212/0x550 [ 243.463549] ip6_finish_output+0x5fe/0xbc0 [ 243.467782] ? ip6_finish_output+0x5fe/0xbc0 [ 243.472197] ip6_output+0x23e/0xa00 [ 243.475826] ? check_preemption_disabled+0x48/0x200 [ 243.480846] ? ip6_finish_output+0xbc0/0xbc0 [ 243.485257] ? ip6_fragment+0x38c0/0x38c0 [ 243.489414] ? __lock_is_held+0xb5/0x140 [ 243.493490] ndisc_send_skb+0x1005/0x1570 [ 243.497647] ? ndisc_constructor+0xc40/0xc40 [ 243.502061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.508044] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.513502] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.518964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.524522] ndisc_send_rs+0x134/0x6e0 [ 243.528419] addrconf_rs_timer+0x3c0/0x6f0 [ 243.532662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.536920] call_timer_fn+0x272/0x920 [ 243.540822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.545061] ? process_timeout+0x40/0x40 [ 243.549122] ? find_held_lock+0x36/0x1c0 [ 243.553193] ? mark_held_locks+0xc7/0x130 [ 243.557344] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.561843] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.566340] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.570598] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 243.575218] ? trace_hardirqs_on+0xbd/0x310 [ 243.579537] ? kasan_check_read+0x11/0x20 [ 243.583688] ? __run_timers+0x7da/0xc70 [ 243.587668] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.593152] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.597400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.601634] __run_timers+0x7e5/0xc70 [ 243.605449] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.611265] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.616296] ? graph_lock+0x170/0x170 [ 243.620105] ? print_usage_bug+0xc0/0xc0 [ 243.624166] ? lock_release+0x970/0x970 [ 243.628145] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.633343] ? find_held_lock+0x36/0x1c0 [ 243.637418] ? graph_lock+0x170/0x170 [ 243.641237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.646792] ? check_preemption_disabled+0x48/0x200 [ 243.651820] ? __lock_is_held+0xb5/0x140 [ 243.655882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.661428] ? check_preemption_disabled+0x48/0x200 [ 243.666454] run_timer_softirq+0x52/0xb0 [ 243.670517] ? rcu_read_lock_sched_held+0x108/0x120 [ 243.675535] __do_softirq+0x30b/0xad8 [ 243.679386] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.684491] ? pvclock_read_flags+0x160/0x160 [ 243.689001] ? lapic_next_event+0x5a/0x90 [ 243.693155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.698694] ? check_preemption_disabled+0x48/0x200 [ 243.703704] ? check_preemption_disabled+0x48/0x200 [ 243.709225] ? kvm_clock_read+0x18/0x30 [ 243.713199] ? kvm_sched_clock_read+0x9/0x20 [ 243.717615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.723155] ? check_preemption_disabled+0x48/0x200 [ 243.728183] irq_exit+0x17f/0x1c0 [ 243.731648] smp_apic_timer_interrupt+0x1cb/0x760 [ 243.736491] ? smp_reschedule_interrupt+0x109/0x650 [ 243.741508] ? smp_call_function_single_interrupt+0x650/0x650 [ 243.747400] ? interrupt_entry+0xb5/0xf0 [ 243.751461] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.756478] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.761495] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.766347] ? trace_hardirqs_off+0x300/0x300 [ 243.770859] ? trace_hardirqs_off+0x300/0x300 [ 243.775356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.780896] ? check_preemption_disabled+0x48/0x200 [ 243.785920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.790769] apic_timer_interrupt+0xf/0x20 [ 243.794995] [ 243.797254] RIP: 0010:console_unlock+0x1017/0x11a0 [ 243.802188] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 243.821435] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 243.829147] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 243.836415] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 243.843694] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 243.850972] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 243.858241] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 243.865517] ? netconsole_netdev_event+0x280/0x280 [ 243.870459] ? console_unlock+0x100e/0x11a0 [ 243.874801] ? devkmsg_read+0xbb0/0xbb0 [ 243.878774] ? vprintk_emit+0x7f7/0x930 [ 243.882766] ? lock_release+0x970/0x970 [ 243.886745] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.892283] ? vprintk_default+0x28/0x30 [ 243.896345] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.901801] ? kasan_check_write+0x14/0x20 [ 243.906038] ? do_raw_spin_lock+0xc1/0x200 [ 243.910758] vprintk_emit+0x33d/0x930 [ 243.914571] ? wake_up_klogd+0x180/0x180 [ 243.918648] ? find_held_lock+0x36/0x1c0 [ 243.922721] ? mark_held_locks+0xc7/0x130 [ 243.926873] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.931365] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.935893] vprintk_default+0x28/0x30 [ 243.939782] vprintk_func+0x7e/0x181 [ 243.943549] printk+0xa7/0xcf [ 243.948404] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 243.953175] ? _raw_spin_unlock_irq+0x60/0x80 [ 243.957681] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 243.962968] dump_header+0x7cc/0xf72 [ 243.966722] ? pagefault_out_of_memory+0x197/0x197 [ 243.971664] ? __lock_acquire+0x7ec/0x4ec0 [ 243.975921] ? print_usage_bug+0xc0/0xc0 [ 243.979995] ? graph_lock+0x170/0x170 [ 243.983793] ? graph_lock+0x170/0x170 [ 243.987602] ? print_usage_bug+0xc0/0xc0 [ 243.991671] ? print_usage_bug+0xc0/0xc0 [ 243.995740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.001282] ? find_held_lock+0x36/0x1c0 [ 244.005350] ? mark_held_locks+0xc7/0x130 [ 244.009966] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 244.015073] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 244.020180] ? lockdep_hardirqs_on+0x421/0x5c0 [ 244.024768] ? trace_hardirqs_on+0xbd/0x310 [ 244.029092] ? kasan_check_read+0x11/0x20 [ 244.033243] ? ___ratelimit+0x36f/0x655 [ 244.037243] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.042707] ? trace_hardirqs_on+0x310/0x310 [ 244.047117] ? lock_downgrade+0x900/0x900 [ 244.051272] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 244.056385] ? ___ratelimit+0xaa/0x655 [ 244.060276] ? idr_get_free+0xec0/0xec0 [ 244.064281] ? kasan_check_write+0x14/0x20 [ 244.068516] ? do_raw_spin_lock+0xc1/0x200 [ 244.072761] oom_kill_process.cold.27+0x10/0x903 [ 244.077522] ? graph_lock+0x170/0x170 [ 244.081327] ? _raw_spin_unlock+0x2c/0x50 [ 244.085476] ? oom_badness+0xe6/0xaa0 [ 244.089283] ? oom_evaluate_task+0x540/0x540 [ 244.093697] ? find_held_lock+0x36/0x1c0 [ 244.097775] ? out_of_memory+0x974/0x14c0 [ 244.101927] ? lock_downgrade+0x900/0x900 [ 244.106088] ? check_preemption_disabled+0x48/0x200 [ 244.111619] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 244.117421] ? kasan_check_read+0x11/0x20 [ 244.121575] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.126861] ? rcu_bh_qs+0xc0/0xc0 [ 244.130424] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 244.135960] ? oom_evaluate_task+0x302/0x540 [ 244.140373] out_of_memory+0xa86/0x14c0 [ 244.144365] ? oom_killer_disable+0x3a0/0x3a0 [ 244.148865] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 244.153799] ? __mutex_add_waiter+0x2a0/0x2a0 [ 244.158321] __alloc_pages_slowpath+0x2318/0x2d80 [ 244.163209] ? warn_alloc+0x120/0x120 [ 244.167015] ? __radix_tree_lookup+0x4c0/0x4c0 [ 244.171623] ? find_get_entry+0x2f2/0xc40 [ 244.175781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.181344] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 244.186269] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.191820] ? should_fail+0x22d/0xd01 [ 244.195736] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.200843] ? __lock_is_held+0xb5/0x140 [ 244.204937] ? __lock_is_held+0xb5/0x140 [ 244.209453] ? find_held_lock+0x36/0x1c0 [ 244.213523] ? ___might_sleep+0x1ed/0x300 [ 244.217672] ? lock_release+0x970/0x970 [ 244.221670] ? arch_local_save_flags+0x40/0x40 [ 244.226266] ? __might_sleep+0x95/0x190 [ 244.230255] __alloc_pages_nodemask+0xa80/0xde0 [ 244.234956] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 244.239985] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 244.245783] ? kasan_check_read+0x11/0x20 [ 244.249937] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.255220] ? graph_lock+0x170/0x170 [ 244.259029] ? print_usage_bug+0xc0/0xc0 [ 244.263092] ? graph_lock+0x170/0x170 [ 244.266892] ? graph_lock+0x170/0x170 [ 244.270694] ? __do_page_cache_readahead+0x7ce/0x980 [ 244.275808] ? find_held_lock+0x36/0x1c0 [ 244.279891] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 244.285435] alloc_pages_current+0x10c/0x210 [ 244.289843] ? lock_downgrade+0x900/0x900 [ 244.294000] __page_cache_alloc+0x38f/0x5b0 [ 244.298328] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 244.304126] ? kasan_check_read+0x11/0x20 [ 244.308742] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.314023] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 244.318695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.324247] ? check_preemption_disabled+0x48/0x200 [ 244.329277] filemap_fault+0x1594/0x25f0 [ 244.333366] ? __lock_page_or_retry+0xa00/0xa00 [ 244.338051] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 244.343846] ? kasan_check_read+0x11/0x20 [ 244.347998] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.353278] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 244.358405] ? rcu_bh_qs+0xc0/0xc0 [ 244.361973] ? trace_hardirqs_on+0xbd/0x310 [ 244.366294] ? kasan_check_read+0x11/0x20 [ 244.370436] ? __free_object+0x173/0x340 [ 244.374499] ? filemap_map_pages+0xdea/0x1980 [ 244.378996] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 244.384100] ? __free_object+0x173/0x340 [ 244.388159] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 244.393431] ? debug_object_free+0x325/0x690 [ 244.397837] ? find_get_pages_range_tag+0x1320/0x1320 [ 244.403033] ? graph_lock+0x170/0x170 [ 244.406854] ? kasan_check_read+0x11/0x20 [ 244.411203] ? debug_object_destroy+0x2b0/0x2b0 [ 244.415881] ? lock_acquire+0x1ed/0x520 [ 244.419856] ? ext4_filemap_fault+0x7a/0xad [ 244.424198] ? lock_release+0x970/0x970 [ 244.428188] ? arch_local_save_flags+0x40/0x40 [ 244.432787] ? futex_wait_setup+0x3e0/0x3e0 [ 244.437118] ? down_read+0xb0/0x1d0 [ 244.440741] ? ext4_filemap_fault+0x7a/0xad [ 244.445063] ? __down_interruptible+0x700/0x700 [ 244.449760] ext4_filemap_fault+0x82/0xad [ 244.453941] __do_fault+0x100/0x6b0 [ 244.457572] ? print_bad_pte+0x6c0/0x6c0 [ 244.461638] ? do_futex+0x249/0x26d0 [ 244.465352] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.470808] ? kasan_check_read+0x11/0x20 [ 244.474955] ? pmd_val+0x88/0x100 [ 244.478412] ? add_mm_counter_fast+0xd0/0xd0 [ 244.482824] ? pmd_val+0x88/0x100 [ 244.486279] ? add_mm_counter_fast+0xd0/0xd0 [ 244.490692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.496234] __handle_mm_fault+0x3709/0x53e0 [ 244.500653] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 244.505496] ? graph_lock+0x170/0x170 [ 244.509794] ? print_usage_bug+0xc0/0xc0 [ 244.513854] ? lockdep_hardirqs_on+0x421/0x5c0 [ 244.518452] ? graph_lock+0x170/0x170 [ 244.522250] ? graph_lock+0x170/0x170 [ 244.526070] ? handle_mm_fault+0x42a/0xc70 [ 244.530307] ? lock_downgrade+0x900/0x900 [ 244.534457] ? check_preemption_disabled+0x48/0x200 [ 244.539481] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 244.545278] ? kasan_check_read+0x11/0x20 [ 244.549432] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.554708] ? rcu_bh_qs+0xc0/0xc0 [ 244.558248] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.563702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.569245] ? check_preemption_disabled+0x48/0x200 [ 244.574268] handle_mm_fault+0x54f/0xc70 [ 244.578337] ? __handle_mm_fault+0x53e0/0x53e0 [ 244.582927] ? find_vma+0x34/0x190 [ 244.586474] __do_page_fault+0x67d/0xed0 [ 244.590557] ? mm_fault_error+0x380/0x380 [ 244.594722] ? trace_hardirqs_off+0xb8/0x300 [ 244.599130] ? trace_hardirqs_on+0x310/0x310 [ 244.603538] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 244.609354] ? trace_hardirqs_on+0x310/0x310 [ 244.613778] do_page_fault+0xf2/0x7e0 [ 244.617595] ? vmalloc_sync_all+0x30/0x30 [ 244.621746] ? error_entry+0x70/0xd0 [ 244.625460] ? trace_hardirqs_off_caller+0xbb/0x300 [ 244.630477] ? trace_hardirqs_on_caller+0xc0/0x300 [ 244.635409] ? syscall_return_slowpath+0x5e0/0x5e0 [ 244.640336] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.645180] ? trace_hardirqs_off+0x300/0x300 [ 244.649686] ? trace_hardirqs_off_caller+0x300/0x300 [ 244.654806] ? prepare_exit_to_usermode+0x291/0x3b0 [ 244.659831] ? page_fault+0x8/0x30 [ 244.663386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.668237] ? page_fault+0x8/0x30 [ 244.671781] page_fault+0x1e/0x30 [ 244.675238] RIP: 0033:0x45ddf3 [ 244.678436] Code: Bad RIP value. [ 244.681801] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 244.687166] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 244.694432] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 244.701698] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 244.709428] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 244.716696] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 244.723999] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 244.724005] warn_alloc_show_mem: 1 callbacks suppressed [ 244.724012] Mem-Info: [ 244.731195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.731204] Call Trace: [ 244.736577] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 244.736577] active_file:16 inactive_file:19 isolated_file:0 [ 244.736577] unevictable:0 dirty:0 writeback:0 unstable:0 [ 244.736577] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 244.736577] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 244.736577] free:13708 free_pcp:124 free_cma:0 [ 244.738957] [ 244.748321] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 244.750903] dump_stack+0x1c4/0x2b4 [ 244.783772] Node 0 [ 244.785934] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.813882] 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 [ 244.817510] warn_alloc.cold.118+0xb7/0x1bd [ 244.819717] lowmem_reserve[]: [ 244.824908] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.850396] 0 [ 244.854721] ? lock_downgrade+0x900/0x900 [ 244.857799] 2817 6321 [ 244.862649] ? trace_hardirqs_off+0xb8/0x300 [ 244.864429] 6321 [ 244.868575] ? trace_hardirqs_off+0xb8/0x300 [ 244.871056] Node 0 [ 244.875466] __alloc_pages_slowpath+0x2667/0x2d80 [ 244.877530] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 244.881939] ? warn_alloc+0x120/0x120 [ 244.884129] lowmem_reserve[]: [ 244.888968] ? trace_hardirqs_on+0x310/0x310 [ 244.916398] 0 0 [ 244.920225] ? warn_alloc+0x120/0x120 [ 244.923343] 3503 [ 244.927751] ? print_usage_bug+0xc0/0xc0 [ 244.929701] 3503 [ 244.933507] ? warn_alloc+0x120/0x120 [ 244.939614] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 244.941655] Node 0 [ 244.945464] ? print_usage_bug+0xc0/0xc0 [ 244.950480] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 244.952699] ? __lock_acquire+0x7ec/0x4ec0 [ 244.956738] lowmem_reserve[]: [ 244.984967] ? __lock_acquire+0x7ec/0x4ec0 [ 244.989185] 0 [ 244.992298] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.996706] 0 [ 244.998526] ? should_fail+0x22d/0xd01 [ 245.004035] 0 [ 245.005840] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.010026] 0 [ 245.011841] ? __lock_acquire+0x7ec/0x4ec0 [ 245.016918] Node 0 [ 245.018723] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.022926] DMA: 1*4kB [ 245.025171] ? __lock_acquire+0x7ec/0x4ec0 [ 245.030250] (U) [ 245.032831] ? should_fail+0x22d/0xd01 [ 245.037040] 0*8kB [ 245.039017] ? print_usage_bug+0xc0/0xc0 [ 245.042880] 0*16kB [ 245.045042] ? mark_held_locks+0x130/0x130 [ 245.049078] 1*32kB [ 245.051313] ? mark_held_locks+0x130/0x130 [ 245.055522] (U) [ 245.057763] ? graph_lock+0x170/0x170 [ 245.061965] 2*64kB (U) [ 245.063952] ? print_usage_bug+0xc0/0xc0 [ 245.067727] 1*128kB (U) [ 245.070321] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.074350] 1*256kB (U) [ 245.077070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.081795] 0*512kB 1*1024kB [ 245.084472] ? check_preemption_disabled+0x48/0x200 [ 245.089981] (U) [ 245.093083] ? check_preemption_disabled+0x48/0x200 [ 245.098067] 1*2048kB (M) [ 245.100054] ? __lock_is_held+0xb5/0x140 [ 245.105534] 3*4096kB (M) [ 245.108309] __alloc_pages_nodemask+0xa80/0xde0 [ 245.112345] = 15908kB [ 245.115095] ? graph_lock+0x170/0x170 [ 245.119756] Node 0 [ 245.122187] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.125964] DMA32: [ 245.128198] ? graph_lock+0x170/0x170 [ 245.133190] 3*4kB [ 245.135429] ? find_held_lock+0x36/0x1c0 [ 245.139193] (UM) 2*8kB [ 245.141355] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.145402] (M) [ 245.147984] ? lock_downgrade+0x900/0x900 [ 245.152633] 3*16kB [ 245.154618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.158737] (UM) 3*32kB [ 245.160982] cache_grow_begin+0x91/0x8c0 [ 245.166492] (M) [ 245.169161] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.173198] 3*64kB [ 245.175175] fallback_alloc+0x203/0x2e0 [ 245.179552] (UM) [ 245.181789] ____cache_alloc_node+0x1c7/0x1e0 [ 245.185734] 4*128kB (UM) [ 245.187819] kmem_cache_alloc_node+0xe3/0x730 [ 245.192289] 3*256kB [ 245.195040] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.199509] (M) [ 245.201838] __alloc_skb+0x119/0x770 [ 245.206053] 4*512kB [ 245.208033] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.211726] (M) [ 245.214051] ? skb_scrub_packet+0x490/0x490 [ 245.219300] 3*1024kB (UM) [ 245.221284] ? lock_downgrade+0x900/0x900 [ 245.225578] 1*2048kB [ 245.228419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.232536] (M) [ 245.234953] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.240475] 4*4096kB (M) [ 245.242460] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.247878] = 25196kB [ 245.247883] Node 0 Normal: [ 245.250649] ? addrconf_rs_timer+0x6f0/0x6f0 [ 245.256086] 852*4kB [ 245.258499] ndisc_alloc_skb+0x144/0x340 [ 245.261412] (UMEH) [ 245.265819] ndisc_send_rs+0x331/0x6e0 [ 245.268120] 324*8kB [ 245.272179] addrconf_rs_timer+0x3c0/0x6f0 [ 245.274395] (UMEH) [ 245.278313] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.280620] 169*16kB [ 245.284858] call_timer_fn+0x272/0x920 [ 245.287073] (UMEH) [ 245.291301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.293683] 81*32kB (UMEH) [ 245.297574] ? process_timeout+0x40/0x40 [ 245.299790] 31*64kB (UMH) [ 245.304024] ? find_held_lock+0x36/0x1c0 [ 245.307448] 3*128kB [ 245.311512] ? __run_timers+0x7da/0xc70 [ 245.314331] (H) [ 245.318386] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.320687] 1*256kB (H) [ 245.324668] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.326620] 0*512kB 0*1024kB [ 245.331129] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.331146] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 245.333804] 0*2048kB [ 245.338293] ? trace_hardirqs_on+0xbd/0x310 [ 245.341383] 0*4096kB [ 245.345611] ? kasan_check_read+0x11/0x20 [ 245.350162] = 13920kB [ 245.350177] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 245.352579] ? __run_timers+0x7da/0xc70 [ 245.356897] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 245.359314] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.363448] 414 total pagecache pages [ 245.365852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.374673] 0 pages in swap cache [ 245.378637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.387188] Swap cache stats: add 0, delete 0, find 0/0 [ 245.387197] Free swap = 0kB [ 245.392646] __run_timers+0x7e5/0xc70 [ 245.396436] Total swap = 0kB [ 245.400673] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.404099] 1965979 pages RAM [ 245.408344] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 245.413678] 0 pages HighMem/MovableOnly [ 245.413687] 342744 pages reserved [ 245.416717] ? graph_lock+0x170/0x170 [ 245.420488] 0 pages cma reserved [ 245.420823] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.423508] ? enqueue_hrtimer+0x1a5/0x560 [ 245.428851] syz-fuzzer cpuset= [ 245.431947] ? lock_release+0x970/0x970 [ 245.431963] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 245.436959] / [ 245.440932] ? find_held_lock+0x36/0x1c0 [ 245.444363] mems_allowed=0 [ 245.448160] ? graph_lock+0x170/0x170 [ 245.490696] ? pvclock_read_flags+0x160/0x160 [ 245.495196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.500732] ? check_preemption_disabled+0x48/0x200 [ 245.505773] ? __lock_is_held+0xb5/0x140 [ 245.509837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.515390] ? check_preemption_disabled+0x48/0x200 [ 245.520526] run_timer_softirq+0x52/0xb0 [ 245.524586] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.529603] __do_softirq+0x30b/0xad8 [ 245.533448] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.538568] ? pvclock_read_flags+0x160/0x160 [ 245.543065] ? lapic_next_event+0x5a/0x90 [ 245.547213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.552752] ? check_preemption_disabled+0x48/0x200 [ 245.557792] ? check_preemption_disabled+0x48/0x200 [ 245.562817] ? kvm_clock_read+0x18/0x30 [ 245.566796] ? kvm_sched_clock_read+0x9/0x20 [ 245.571205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.576758] ? check_preemption_disabled+0x48/0x200 [ 245.581787] irq_exit+0x17f/0x1c0 [ 245.585244] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.590092] ? smp_reschedule_interrupt+0x109/0x650 [ 245.595114] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.601001] ? interrupt_entry+0xb5/0xf0 [ 245.605085] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.610224] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.615243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.620088] ? trace_hardirqs_off+0x300/0x300 [ 245.624592] ? trace_hardirqs_off+0x300/0x300 [ 245.629102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.634721] ? check_preemption_disabled+0x48/0x200 [ 245.639737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.645280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.650133] apic_timer_interrupt+0xf/0x20 [ 245.654372] [ 245.656609] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 245.661540] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 245.680439] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 245.688150] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 245.695413] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 245.702717] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 245.710086] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 245.717365] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 245.724687] skb_clone+0x1bb/0x500 [ 245.728244] ? finish_task_switch+0x2f5/0x900 [ 245.732741] ? skb_split+0x11e0/0x11e0 [ 245.736634] ? preempt_notifier_register+0x200/0x200 [ 245.741748] ? __switch_to_asm+0x34/0x70 [ 245.745813] ? __switch_to_asm+0x34/0x70 [ 245.749871] ? __switch_to_asm+0x40/0x70 [ 245.753938] ? __switch_to_asm+0x34/0x70 [ 245.758000] ? __switch_to_asm+0x40/0x70 [ 245.762062] ? __switch_to_asm+0x34/0x70 [ 245.766120] ? __switch_to_asm+0x40/0x70 [ 245.770176] ? __switch_to_asm+0x34/0x70 [ 245.774247] ? __switch_to_asm+0x34/0x70 [ 245.778302] ? __switch_to_asm+0x40/0x70 [ 245.782384] ? __switch_to_asm+0x34/0x70 [ 245.786457] bpf_clone_redirect+0xb9/0x490 [ 245.790698] ? __schedule+0x874/0x1ed0 [ 245.794596] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 245.799668] ? __sched_text_start+0x8/0x8 [ 245.803816] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.808585] ? find_held_lock+0x36/0x1c0 [ 245.812657] ? lock_acquire+0x1ed/0x520 [ 245.816634] ? bpf_test_run+0x32e/0x5a0 [ 245.820613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.826153] ? check_preemption_disabled+0x48/0x200 [ 245.831180] ? kasan_check_read+0x11/0x20 [ 245.835355] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.840638] ? rcu_bh_qs+0xc0/0xc0 [ 245.844181] ? preempt_schedule+0x4d/0x60 [ 245.848334] ? ___preempt_schedule+0x16/0x18 [ 245.852756] ? bpf_test_run+0x1c0/0x5a0 [ 245.856742] ? netlink_diag_dump+0x2a0/0x2a0 [ 245.861155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.866695] ? bpf_test_init.isra.9+0x70/0x100 [ 245.871288] ? bpf_prog_test_run_skb+0x634/0xb40 [ 245.876057] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.880909] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.886444] ? fput+0x130/0x1a0 [ 245.889728] ? __bpf_prog_get+0x9b/0x290 [ 245.893794] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.898638] ? bpf_prog_test_run+0x130/0x1a0 [ 245.903048] ? __x64_sys_bpf+0x3d8/0x510 [ 245.907416] ? bpf_prog_get+0x20/0x20 [ 245.911223] ? ksys_ioctl+0x81/0xd0 [ 245.914866] ? do_syscall_64+0x1b9/0x820 [ 245.918937] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 245.924302] ? syscall_return_slowpath+0x5e0/0x5e0 [ 245.929234] ? trace_hardirqs_off+0x300/0x300 [ 245.933738] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 245.938767] ? recalc_sigpending_tsk+0x180/0x180 [ 245.943532] ? kasan_check_write+0x14/0x20 [ 245.947775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.952633] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 245.958022] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 245.958093] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.964958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.964964] Call Trace: [ 245.964971] [ 245.964987] dump_stack+0x1c4/0x2b4 [ 245.965004] ? dump_stack_print_info.cold.2+0x52/0x52 [ 245.965030] warn_alloc.cold.118+0xb7/0x1bd [ 245.971593] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.980856] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 245.983421] syz-executor7 cpuset= [ 245.985572] ? lock_downgrade+0x900/0x900 [ 245.989177] syz7 [ 245.994366] ? trace_hardirqs_off+0xb8/0x300 [ 245.998672] mems_allowed=0 [ 246.009636] ? trace_hardirqs_off+0xb8/0x300 [ 246.035715] __alloc_pages_slowpath+0x2667/0x2d80 [ 246.040610] ? warn_alloc+0x120/0x120 [ 246.044424] ? warn_alloc+0x120/0x120 [ 246.048230] ? print_usage_bug+0xc0/0xc0 [ 246.052300] ? warn_alloc+0x120/0x120 [ 246.056104] ? print_usage_bug+0xc0/0xc0 [ 246.060165] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 246.065370] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.070914] ? should_fail+0x22d/0xd01 [ 246.074814] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.079933] ? __lock_acquire+0x7ec/0x4ec0 [ 246.084177] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.089285] ? __lock_acquire+0x7ec/0x4ec0 [ 246.093521] ? should_fail+0x22d/0xd01 [ 246.097427] ? mark_held_locks+0x130/0x130 [ 246.101667] ? mark_held_locks+0x130/0x130 [ 246.105902] ? graph_lock+0x170/0x170 [ 246.110236] ? graph_lock+0x170/0x170 [ 246.114045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.119584] ? check_preemption_disabled+0x48/0x200 [ 246.124617] ? check_preemption_disabled+0x48/0x200 [ 246.129647] ? __lock_is_held+0xb5/0x140 [ 246.133720] __alloc_pages_nodemask+0xa80/0xde0 [ 246.138399] ? graph_lock+0x170/0x170 [ 246.142205] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.147218] ? graph_lock+0x170/0x170 [ 246.151031] ? find_held_lock+0x36/0x1c0 [ 246.155112] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.159783] ? lock_downgrade+0x900/0x900 [ 246.163943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.169485] cache_grow_begin+0x91/0x8c0 [ 246.173547] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.177964] fallback_alloc+0x203/0x2e0 [ 246.181955] ____cache_alloc_node+0x1c7/0x1e0 [ 246.186457] __kmalloc+0x208/0x760 [ 246.190007] ? __neigh_create+0x30b/0x2130 [ 246.194253] __neigh_create+0x30b/0x2130 [ 246.198319] ? trace_hardirqs_on+0xbd/0x310 [ 246.202642] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 246.208662] ? ip6t_do_table+0xd9e/0x1d30 [ 246.212822] ? mark_held_locks+0x130/0x130 [ 246.217072] ? __local_bh_enable_ip+0x160/0x260 [ 246.221772] ? neigh_hash_alloc+0x1e0/0x1e0 [ 246.226097] ? trace_hardirqs_on+0xbd/0x310 [ 246.230423] ? ip6t_do_table+0xd9e/0x1d30 [ 246.234575] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.240034] ? trace_hardirqs_on+0xbd/0x310 [ 246.244359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.249901] ? ip6t_do_table+0xd6a/0x1d30 [ 246.254075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.259622] ? check_preemption_disabled+0x48/0x200 [ 246.264643] ? check_preemption_disabled+0x48/0x200 [ 246.269669] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 246.275207] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.280490] ? rcu_pm_notify+0xc0/0xc0 [ 246.284389] ? graph_lock+0x170/0x170 [ 246.288194] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 246.293413] ip6_finish_output2+0xa59/0x27a0 [ 246.297833] ? ip6_copy_metadata+0xe30/0xe30 [ 246.302251] ? ip6_mtu+0x39c/0x520 [ 246.305795] ? lock_downgrade+0x900/0x900 [ 246.310404] ? check_preemption_disabled+0x48/0x200 [ 246.315429] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.321227] ? kasan_check_read+0x11/0x20 [ 246.325386] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.330664] ? rcu_bh_qs+0xc0/0xc0 [ 246.334221] ? ip6_mtu+0x160/0x520 [ 246.337764] ? dst_hold+0x2f0/0x2f0 [ 246.341398] ? kasan_check_read+0x11/0x20 [ 246.345547] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.350860] ? nf_nat_ipv6_out+0x212/0x550 [ 246.355100] ip6_finish_output+0x5fe/0xbc0 [ 246.359337] ? ip6_finish_output+0x5fe/0xbc0 [ 246.363773] ip6_output+0x23e/0xa00 [ 246.367419] ? check_preemption_disabled+0x48/0x200 [ 246.372453] ? ip6_finish_output+0xbc0/0xbc0 [ 246.376871] ? ip6_fragment+0x38c0/0x38c0 [ 246.381021] ? __lock_is_held+0xb5/0x140 [ 246.385099] ndisc_send_skb+0x1005/0x1570 [ 246.389255] ? ndisc_constructor+0xc40/0xc40 [ 246.393668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.399228] ? refcount_sub_and_test_checked+0x203/0x310 [ 246.404696] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 246.410602] ndisc_send_rs+0x134/0x6e0 [ 246.414498] addrconf_rs_timer+0x3c0/0x6f0 [ 246.418742] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.422991] call_timer_fn+0x272/0x920 [ 246.426878] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.431114] ? process_timeout+0x40/0x40 [ 246.435177] ? find_held_lock+0x36/0x1c0 [ 246.439246] ? mark_held_locks+0xc7/0x130 [ 246.443421] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.447913] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.452425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.456659] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 246.461244] ? trace_hardirqs_on+0xbd/0x310 [ 246.465563] ? kasan_check_read+0x11/0x20 [ 246.469719] ? __run_timers+0x7da/0xc70 [ 246.473699] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.479156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.483401] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.487655] __run_timers+0x7e5/0xc70 [ 246.491470] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 246.496873] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 246.501887] ? graph_lock+0x170/0x170 [ 246.505694] ? print_usage_bug+0xc0/0xc0 [ 246.510219] ? lock_release+0x970/0x970 [ 246.514196] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 246.519399] ? find_held_lock+0x36/0x1c0 [ 246.523465] ? graph_lock+0x170/0x170 [ 246.527269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.532812] ? check_preemption_disabled+0x48/0x200 [ 246.537850] ? __lock_is_held+0xb5/0x140 [ 246.541932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.547472] ? check_preemption_disabled+0x48/0x200 [ 246.552504] run_timer_softirq+0x52/0xb0 [ 246.556577] ? rcu_read_lock_sched_held+0x108/0x120 [ 246.561617] __do_softirq+0x30b/0xad8 [ 246.565438] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 246.570554] ? pvclock_read_flags+0x160/0x160 [ 246.575059] ? lapic_next_event+0x5a/0x90 [ 246.579211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.584755] ? check_preemption_disabled+0x48/0x200 [ 246.589770] ? check_preemption_disabled+0x48/0x200 [ 246.594795] ? kvm_clock_read+0x18/0x30 [ 246.598774] ? kvm_sched_clock_read+0x9/0x20 [ 246.603186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.609183] ? check_preemption_disabled+0x48/0x200 [ 246.614217] irq_exit+0x17f/0x1c0 [ 246.617674] smp_apic_timer_interrupt+0x1cb/0x760 [ 246.622519] ? smp_reschedule_interrupt+0x109/0x650 [ 246.627536] ? smp_call_function_single_interrupt+0x650/0x650 [ 246.633434] ? interrupt_entry+0xb5/0xf0 [ 246.637496] ? trace_hardirqs_off_caller+0xbb/0x300 [ 246.642509] ? trace_hardirqs_off_caller+0xbb/0x300 [ 246.647541] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.652403] ? trace_hardirqs_off+0x300/0x300 [ 246.656902] ? trace_hardirqs_off+0x300/0x300 [ 246.661415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.666980] ? check_preemption_disabled+0x48/0x200 [ 246.672006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.676856] apic_timer_interrupt+0xf/0x20 [ 246.681084] [ 246.683324] RIP: 0010:console_unlock+0x1017/0x11a0 [ 246.688256] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 246.707617] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 246.715342] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 246.722616] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 246.729881] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 246.737154] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 246.744422] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 246.751705] ? netconsole_netdev_event+0x280/0x280 [ 246.756644] ? console_unlock+0x100e/0x11a0 [ 246.760985] ? devkmsg_read+0xbb0/0xbb0 [ 246.764957] ? vprintk_emit+0x7f7/0x930 [ 246.768936] ? lock_release+0x970/0x970 [ 246.772912] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.778364] ? vprintk_default+0x28/0x30 [ 246.782430] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.787887] ? kasan_check_write+0x14/0x20 [ 246.792127] ? do_raw_spin_lock+0xc1/0x200 [ 246.796369] vprintk_emit+0x33d/0x930 [ 246.800185] ? wake_up_klogd+0x180/0x180 [ 246.804253] ? find_held_lock+0x36/0x1c0 [ 246.808844] ? mark_held_locks+0xc7/0x130 [ 246.812998] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.817493] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.821996] vprintk_default+0x28/0x30 [ 246.825889] vprintk_func+0x7e/0x181 [ 246.829618] printk+0xa7/0xcf [ 246.832733] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 246.837494] ? _raw_spin_unlock_irq+0x60/0x80 [ 246.842001] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 246.847289] dump_header+0x7cc/0xf72 [ 246.851016] ? pagefault_out_of_memory+0x197/0x197 [ 246.855958] ? __lock_acquire+0x7ec/0x4ec0 [ 246.860196] ? print_usage_bug+0xc0/0xc0 [ 246.864263] ? graph_lock+0x170/0x170 [ 246.868060] ? graph_lock+0x170/0x170 [ 246.871861] ? print_usage_bug+0xc0/0xc0 [ 246.875946] ? print_usage_bug+0xc0/0xc0 [ 246.880009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.885556] ? find_held_lock+0x36/0x1c0 [ 246.889630] ? mark_held_locks+0xc7/0x130 [ 246.893784] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 246.898897] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 246.904001] ? lockdep_hardirqs_on+0x421/0x5c0 [ 246.908798] ? trace_hardirqs_on+0xbd/0x310 [ 246.913119] ? kasan_check_read+0x11/0x20 [ 246.917271] ? ___ratelimit+0x36f/0x655 [ 246.921248] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.926703] ? trace_hardirqs_on+0x310/0x310 [ 246.931112] ? lock_downgrade+0x900/0x900 [ 246.935273] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 246.940409] ? ___ratelimit+0xaa/0x655 [ 246.944311] ? idr_get_free+0xec0/0xec0 [ 246.948286] ? kasan_check_write+0x14/0x20 [ 246.952518] ? do_raw_spin_lock+0xc1/0x200 [ 246.956759] oom_kill_process.cold.27+0x10/0x903 [ 246.961527] ? graph_lock+0x170/0x170 [ 246.965325] ? _raw_spin_unlock+0x2c/0x50 [ 246.969473] ? oom_badness+0xe6/0xaa0 [ 246.973282] ? oom_evaluate_task+0x540/0x540 [ 246.977695] ? find_held_lock+0x36/0x1c0 [ 246.981764] ? out_of_memory+0x974/0x14c0 [ 246.985927] ? lock_downgrade+0x900/0x900 [ 246.990075] ? check_preemption_disabled+0x48/0x200 [ 246.995107] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 247.001164] ? kasan_check_read+0x11/0x20 [ 247.005334] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.010889] ? rcu_bh_qs+0xc0/0xc0 [ 247.014438] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.019974] ? oom_evaluate_task+0x302/0x540 [ 247.024392] out_of_memory+0xa86/0x14c0 [ 247.028389] ? oom_killer_disable+0x3a0/0x3a0 [ 247.032901] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 247.037859] ? __mutex_add_waiter+0x2a0/0x2a0 [ 247.042368] __alloc_pages_slowpath+0x2318/0x2d80 [ 247.047259] ? warn_alloc+0x120/0x120 [ 247.051056] ? __radix_tree_lookup+0x4c0/0x4c0 [ 247.055656] ? find_get_entry+0x2f2/0xc40 [ 247.059815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.065356] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 247.070292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.075834] ? should_fail+0x22d/0xd01 [ 247.079729] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.084835] ? __lock_is_held+0xb5/0x140 [ 247.089015] ? __lock_is_held+0xb5/0x140 [ 247.093088] ? find_held_lock+0x36/0x1c0 [ 247.097177] ? ___might_sleep+0x1ed/0x300 [ 247.101332] ? lock_release+0x970/0x970 [ 247.105805] ? arch_local_save_flags+0x40/0x40 [ 247.110915] ? __might_sleep+0x95/0x190 [ 247.114900] __alloc_pages_nodemask+0xa80/0xde0 [ 247.119603] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 247.124628] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 247.130426] ? kasan_check_read+0x11/0x20 [ 247.134577] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.139862] ? graph_lock+0x170/0x170 [ 247.143669] ? print_usage_bug+0xc0/0xc0 [ 247.147738] ? graph_lock+0x170/0x170 [ 247.151539] ? graph_lock+0x170/0x170 [ 247.155365] ? __do_page_cache_readahead+0x7ce/0x980 [ 247.160473] ? find_held_lock+0x36/0x1c0 [ 247.164538] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 247.170082] alloc_pages_current+0x10c/0x210 [ 247.174488] ? lock_downgrade+0x900/0x900 [ 247.178663] __page_cache_alloc+0x38f/0x5b0 [ 247.182988] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 247.188786] ? kasan_check_read+0x11/0x20 [ 247.192939] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.198235] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 247.202918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.208920] ? check_preemption_disabled+0x48/0x200 [ 247.213947] filemap_fault+0x1594/0x25f0 [ 247.218021] ? __lock_page_or_retry+0xa00/0xa00 [ 247.222692] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 247.228489] ? kasan_check_read+0x11/0x20 [ 247.232681] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.237958] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 247.243066] ? rcu_bh_qs+0xc0/0xc0 [ 247.246615] ? trace_hardirqs_on+0xbd/0x310 [ 247.250943] ? kasan_check_read+0x11/0x20 [ 247.255098] ? __free_object+0x173/0x340 [ 247.259168] ? filemap_map_pages+0xdea/0x1980 [ 247.263675] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 247.268781] ? __free_object+0x173/0x340 [ 247.272843] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 247.278120] ? debug_object_free+0x325/0x690 [ 247.282532] ? find_get_pages_range_tag+0x1320/0x1320 [ 247.287728] ? graph_lock+0x170/0x170 [ 247.291538] ? kasan_check_read+0x11/0x20 [ 247.295686] ? debug_object_destroy+0x2b0/0x2b0 [ 247.300363] ? lock_acquire+0x1ed/0x520 [ 247.304371] ? ext4_filemap_fault+0x7a/0xad [ 247.309202] ? lock_release+0x970/0x970 [ 247.313181] ? arch_local_save_flags+0x40/0x40 [ 247.317769] ? futex_wait_setup+0x3e0/0x3e0 [ 247.322105] ? down_read+0xb0/0x1d0 [ 247.325735] ? ext4_filemap_fault+0x7a/0xad [ 247.330075] ? __down_interruptible+0x700/0x700 [ 247.334758] ext4_filemap_fault+0x82/0xad [ 247.338935] __do_fault+0x100/0x6b0 [ 247.342566] ? print_bad_pte+0x6c0/0x6c0 [ 247.346653] ? do_futex+0x249/0x26d0 [ 247.350367] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.355830] ? kasan_check_read+0x11/0x20 [ 247.359976] ? pmd_val+0x88/0x100 [ 247.363431] ? add_mm_counter_fast+0xd0/0xd0 [ 247.367839] ? pmd_val+0x88/0x100 [ 247.371306] ? add_mm_counter_fast+0xd0/0xd0 [ 247.375718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.381263] __handle_mm_fault+0x3709/0x53e0 [ 247.385696] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 247.390536] ? graph_lock+0x170/0x170 [ 247.394336] ? print_usage_bug+0xc0/0xc0 [ 247.398402] ? lockdep_hardirqs_on+0x421/0x5c0 [ 247.402989] ? graph_lock+0x170/0x170 [ 247.406787] ? graph_lock+0x170/0x170 [ 247.410842] ? handle_mm_fault+0x42a/0xc70 [ 247.415080] ? lock_downgrade+0x900/0x900 [ 247.419243] ? check_preemption_disabled+0x48/0x200 [ 247.424276] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 247.430076] ? kasan_check_read+0x11/0x20 [ 247.434229] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.439505] ? rcu_bh_qs+0xc0/0xc0 [ 247.443050] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.448503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.454041] ? check_preemption_disabled+0x48/0x200 [ 247.459066] handle_mm_fault+0x54f/0xc70 [ 247.463131] ? __handle_mm_fault+0x53e0/0x53e0 [ 247.467718] ? find_vma+0x34/0x190 [ 247.471280] __do_page_fault+0x67d/0xed0 [ 247.475395] ? mm_fault_error+0x380/0x380 [ 247.479569] ? trace_hardirqs_off+0xb8/0x300 [ 247.483987] ? trace_hardirqs_on+0x310/0x310 [ 247.488413] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.493775] ? trace_hardirqs_on+0x310/0x310 [ 247.498193] do_page_fault+0xf2/0x7e0 [ 247.501996] ? vmalloc_sync_all+0x30/0x30 [ 247.506146] ? error_entry+0x70/0xd0 [ 247.510313] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.515367] ? trace_hardirqs_on_caller+0xc0/0x300 [ 247.520297] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.525225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.530080] ? trace_hardirqs_off+0x300/0x300 [ 247.534579] ? trace_hardirqs_off_caller+0x300/0x300 [ 247.539704] ? prepare_exit_to_usermode+0x291/0x3b0 [ 247.544724] ? page_fault+0x8/0x30 [ 247.548290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.553139] ? page_fault+0x8/0x30 [ 247.556695] page_fault+0x1e/0x30 [ 247.560158] RIP: 0033:0x45ddf3 [ 247.563388] Code: Bad RIP value. [ 247.566751] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 247.572115] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 247.579397] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 247.586663] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 247.593935] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 247.601201] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 247.608939] warn_alloc_show_mem: 1 callbacks suppressed [ 247.608950] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 247.608952] Mem-Info: [ 247.608981] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 247.608981] active_file:16 inactive_file:19 isolated_file:0 [ 247.608981] unevictable:0 dirty:0 writeback:0 unstable:0 [ 247.608981] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 247.608981] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 247.608981] free:13708 free_pcp:124 free_cma:0 [ 247.614330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.621550] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 247.623953] Call Trace: [ 247.656838] Node 0 [ 247.666218] [ 247.693932] 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 [ 247.696518] dump_stack+0x1c4/0x2b4 [ 247.698725] lowmem_reserve[]: 0 [ 247.700891] ? dump_stack_print_info.cold.2+0x52/0x52 [ 247.726809] 2817 6321 [ 247.730476] warn_alloc.cold.118+0xb7/0x1bd [ 247.733710] 6321 [ 247.738914] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.741390] Node 0 [ 247.745703] ? lock_downgrade+0x900/0x900 [ 247.747765] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 247.752583] ? trace_hardirqs_off+0xb8/0x300 [ 247.754790] lowmem_reserve[]: 0 [ 247.758946] ? trace_hardirqs_off+0xb8/0x300 [ 247.785900] 0 3503 [ 247.790325] __alloc_pages_slowpath+0x2667/0x2d80 [ 247.793570] 3503 [ 247.798009] ? warn_alloc+0x120/0x120 [ 247.800221] Node 0 [ 247.805084] ? trace_hardirqs_on+0x310/0x310 [ 247.807457] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 247.811235] ? warn_alloc+0x120/0x120 [ 247.813441] lowmem_reserve[]: 0 [ 247.817860] ? print_usage_bug+0xc0/0xc0 [ 247.846057] 0 [ 247.849869] ? warn_alloc+0x120/0x120 [ 247.853129] 0 [ 247.857201] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 247.858981] 0 [ 247.862780] ? print_usage_bug+0xc0/0xc0 [ 247.869582] ? __lock_acquire+0x7ec/0x4ec0 [ 247.871369] Node 0 [ 247.875428] ? __lock_acquire+0x7ec/0x4ec0 [ 247.879641] DMA: [ 247.881879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.886087] 1*4kB [ 247.888148] ? should_fail+0x22d/0xd01 [ 247.893660] (U) [ 247.895813] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.899671] 0*8kB 0*16kB [ 247.901650] ? __lock_acquire+0x7ec/0x4ec0 [ 247.906722] 1*32kB (U) [ 247.909492] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.913697] 2*64kB (U) [ 247.916286] ? __lock_acquire+0x7ec/0x4ec0 [ 247.921378] 1*128kB [ 247.923976] ? should_fail+0x22d/0xd01 [ 247.928181] (U) 1*256kB [ 247.930516] ? print_usage_bug+0xc0/0xc0 [ 247.934375] (U) 0*512kB [ 247.937062] ? mark_held_locks+0x130/0x130 [ 247.941089] 1*1024kB (U) [ 247.943770] ? mark_held_locks+0x130/0x130 [ 247.947988] 1*2048kB [ 247.950749] ? graph_lock+0x170/0x170 [ 247.954972] (M) [ 247.957384] ? print_usage_bug+0xc0/0xc0 [ 247.961167] 3*4096kB (M) [ 247.963157] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.967187] = 15908kB [ 247.967196] Node 0 [ 247.969955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.974689] DMA32: [ 247.977116] ? check_preemption_disabled+0x48/0x200 [ 247.979324] 3*4kB [ 247.984856] ? check_preemption_disabled+0x48/0x200 [ 247.987066] (UM) [ 247.992083] ? __lock_is_held+0xb5/0x140 [ 247.994203] 2*8kB [ 247.999216] __alloc_pages_nodemask+0xa80/0xde0 [ 248.001256] (M) [ 248.005316] ? graph_lock+0x170/0x170 [ 248.007951] 3*16kB (UM) [ 248.012635] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.014582] 3*32kB (M) [ 248.018390] ? graph_lock+0x170/0x170 [ 248.021040] 3*64kB (UM) [ 248.026066] ? find_held_lock+0x36/0x1c0 [ 248.028617] 4*128kB (UM) [ 248.032434] ? ____cache_alloc_node+0x1c7/0x1e0 [ 248.035073] 3*256kB (M) [ 248.039136] ? lock_downgrade+0x900/0x900 [ 248.041865] 4*512kB (M) [ 248.046547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.049205] 3*1024kB (UM) [ 248.053373] cache_grow_begin+0x91/0x8c0 [ 248.056016] 1*2048kB (M) [ 248.061563] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.064379] 4*4096kB (M) [ 248.068460] fallback_alloc+0x203/0x2e0 [ 248.071188] = 25196kB [ 248.071196] Node 0 [ 248.075611] ____cache_alloc_node+0x1c7/0x1e0 [ 248.078349] Normal: [ 248.082321] kmem_cache_alloc_node+0xe3/0x730 [ 248.084712] 852*4kB [ 248.086945] ? ipv6_get_ifaddr+0x42e/0x620 [ 248.091411] (UMEH) 324*8kB [ 248.093748] __alloc_skb+0x119/0x770 [ 248.098216] (UMEH) [ 248.100543] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.104752] 169*16kB [ 248.107692] ? skb_scrub_packet+0x490/0x490 [ 248.111375] (UMEH) 81*32kB [ 248.113625] ? lock_downgrade+0x900/0x900 [ 248.118870] (UMEH) 31*64kB [ 248.121302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.125599] (UMH) 3*128kB [ 248.128538] ? refcount_sub_and_test_checked+0x203/0x310 [ 248.132660] (H) [ 248.135587] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 248.141102] 1*256kB (H) [ 248.143955] ? addrconf_rs_timer+0x6f0/0x6f0 [ 248.149388] 0*512kB [ 248.151368] ndisc_alloc_skb+0x144/0x340 [ 248.156792] 0*1024kB [ 248.159464] ndisc_send_rs+0x331/0x6e0 [ 248.163853] 0*2048kB 0*4096kB [ 248.166194] addrconf_rs_timer+0x3c0/0x6f0 [ 248.170227] = 13920kB [ 248.170241] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 248.172653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.176521] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 248.179712] call_timer_fn+0x272/0x920 [ 248.183919] 414 total pagecache pages [ 248.186329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.195152] 0 pages in swap cache [ 248.199376] ? process_timeout+0x40/0x40 [ 248.208399] Swap cache stats: add 0, delete 0, find 0/0 [ 248.208409] Free swap = 0kB [ 248.212300] ? find_held_lock+0x36/0x1c0 [ 248.216075] Total swap = 0kB [ 248.220317] ? __run_timers+0x7da/0xc70 [ 248.223741] 1965979 pages RAM [ 248.227804] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.233135] 0 pages HighMem/MovableOnly [ 248.233145] 342744 pages reserved [ 248.236161] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.240190] 0 pages cma reserved [ 248.240606] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 248.243273] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.247223] syz-fuzzer cpuset= [ 248.250328] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 248.254806] / [ 248.258778] ? trace_hardirqs_on+0xbd/0x310 [ 248.262224] mems_allowed=0 [ 248.266715] ? kasan_check_read+0x11/0x20 [ 248.305286] ? __run_timers+0x7da/0xc70 [ 248.309269] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.314728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.318970] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.323213] __run_timers+0x7e5/0xc70 [ 248.327036] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 248.332405] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 248.337424] ? graph_lock+0x170/0x170 [ 248.341230] ? enqueue_hrtimer+0x1a5/0x560 [ 248.345462] ? lock_release+0x970/0x970 [ 248.349442] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 248.354642] ? find_held_lock+0x36/0x1c0 [ 248.358718] ? graph_lock+0x170/0x170 [ 248.362522] ? pvclock_read_flags+0x160/0x160 [ 248.367020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.372562] ? check_preemption_disabled+0x48/0x200 [ 248.377588] ? __lock_is_held+0xb5/0x140 [ 248.381654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.387197] ? check_preemption_disabled+0x48/0x200 [ 248.392225] run_timer_softirq+0x52/0xb0 [ 248.396288] ? rcu_read_lock_sched_held+0x108/0x120 [ 248.401308] __do_softirq+0x30b/0xad8 [ 248.405128] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 248.410247] ? pvclock_read_flags+0x160/0x160 [ 248.414743] ? lapic_next_event+0x5a/0x90 [ 248.418900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.424448] ? check_preemption_disabled+0x48/0x200 [ 248.429467] ? check_preemption_disabled+0x48/0x200 [ 248.434492] ? kvm_clock_read+0x18/0x30 [ 248.438469] ? kvm_sched_clock_read+0x9/0x20 [ 248.442890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.448433] ? check_preemption_disabled+0x48/0x200 [ 248.453466] irq_exit+0x17f/0x1c0 [ 248.456928] smp_apic_timer_interrupt+0x1cb/0x760 [ 248.461775] ? smp_reschedule_interrupt+0x109/0x650 [ 248.466793] ? smp_call_function_single_interrupt+0x650/0x650 [ 248.472685] ? interrupt_entry+0xb5/0xf0 [ 248.476755] ? trace_hardirqs_off_caller+0xbb/0x300 [ 248.481775] ? trace_hardirqs_off_caller+0xbb/0x300 [ 248.486796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.491643] ? trace_hardirqs_off+0x300/0x300 [ 248.496136] ? trace_hardirqs_off+0x300/0x300 [ 248.500638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.506183] ? check_preemption_disabled+0x48/0x200 [ 248.511324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.516886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.521742] apic_timer_interrupt+0xf/0x20 [ 248.525974] [ 248.528213] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 248.533144] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 248.552045] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 248.559756] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 248.567026] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 248.574296] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 248.581565] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 248.588840] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 248.596157] skb_clone+0x1bb/0x500 [ 248.599703] ? finish_task_switch+0x2f5/0x900 [ 248.604208] ? skb_split+0x11e0/0x11e0 [ 248.608104] ? preempt_notifier_register+0x200/0x200 [ 248.613208] ? __switch_to_asm+0x34/0x70 [ 248.617270] ? __switch_to_asm+0x34/0x70 [ 248.621333] ? __switch_to_asm+0x40/0x70 [ 248.625409] ? __switch_to_asm+0x34/0x70 [ 248.629481] ? __switch_to_asm+0x40/0x70 [ 248.633538] ? __switch_to_asm+0x34/0x70 [ 248.637599] ? __switch_to_asm+0x40/0x70 [ 248.641665] ? __switch_to_asm+0x34/0x70 [ 248.645724] ? __switch_to_asm+0x34/0x70 [ 248.649783] ? __switch_to_asm+0x40/0x70 [ 248.653840] ? __switch_to_asm+0x34/0x70 [ 248.657917] bpf_clone_redirect+0xb9/0x490 [ 248.662156] ? __schedule+0x874/0x1ed0 [ 248.666055] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 248.671073] ? __sched_text_start+0x8/0x8 [ 248.675226] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.680000] ? find_held_lock+0x36/0x1c0 [ 248.684075] ? lock_acquire+0x1ed/0x520 [ 248.688049] ? bpf_test_run+0x32e/0x5a0 [ 248.692039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.697588] ? check_preemption_disabled+0x48/0x200 [ 248.702613] ? kasan_check_read+0x11/0x20 [ 248.706764] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.712047] ? rcu_bh_qs+0xc0/0xc0 [ 248.715596] ? preempt_schedule+0x4d/0x60 [ 248.719751] ? ___preempt_schedule+0x16/0x18 [ 248.724172] ? bpf_test_run+0x1c0/0x5a0 [ 248.728160] ? netlink_diag_dump+0x2a0/0x2a0 [ 248.732576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.738112] ? bpf_test_init.isra.9+0x70/0x100 [ 248.742698] ? bpf_prog_test_run_skb+0x634/0xb40 [ 248.747460] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 248.752302] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 248.757838] ? fput+0x130/0x1a0 [ 248.761121] ? __bpf_prog_get+0x9b/0x290 [ 248.765190] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 248.770033] ? bpf_prog_test_run+0x130/0x1a0 [ 248.774448] ? __x64_sys_bpf+0x3d8/0x510 [ 248.778522] ? bpf_prog_get+0x20/0x20 [ 248.782334] ? ksys_ioctl+0x81/0xd0 [ 248.785976] ? do_syscall_64+0x1b9/0x820 [ 248.790039] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 248.795407] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.800339] ? trace_hardirqs_off+0x300/0x300 [ 248.804843] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 248.809966] ? recalc_sigpending_tsk+0x180/0x180 [ 248.814729] ? kasan_check_write+0x14/0x20 [ 248.818973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.823830] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 248.829215] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 248.829285] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 248.836149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.836158] Call Trace: [ 248.842748] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 248.851986] [ 248.854557] syz-executor7 cpuset= [ 248.865039] dump_stack+0x1c4/0x2b4 [ 248.867167] syz7 [ 248.870623] ? dump_stack_print_info.cold.2+0x52/0x52 [ 248.874232] mems_allowed=0 [ 248.876212] warn_alloc.cold.118+0xb7/0x1bd [ 248.888618] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.893467] ? lock_downgrade+0x900/0x900 [ 248.897630] ? trace_hardirqs_off+0xb8/0x300 [ 248.902048] ? trace_hardirqs_off+0xb8/0x300 [ 248.906484] __alloc_pages_slowpath+0x2667/0x2d80 [ 248.911816] ? warn_alloc+0x120/0x120 [ 248.915634] ? warn_alloc+0x120/0x120 [ 248.919439] ? print_usage_bug+0xc0/0xc0 [ 248.923505] ? warn_alloc+0x120/0x120 [ 248.927306] ? print_usage_bug+0xc0/0xc0 [ 248.931386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.937039] ? should_fail+0x22d/0xd01 [ 248.940950] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.946066] ? __lock_acquire+0x7ec/0x4ec0 [ 248.950315] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.955423] ? __lock_acquire+0x7ec/0x4ec0 [ 248.959663] ? should_fail+0x22d/0xd01 [ 248.963569] ? mark_held_locks+0x130/0x130 [ 248.967820] ? mark_held_locks+0x130/0x130 [ 248.972059] ? graph_lock+0x170/0x170 [ 248.975867] ? graph_lock+0x170/0x170 [ 248.979674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.985219] ? check_preemption_disabled+0x48/0x200 [ 248.990240] ? check_preemption_disabled+0x48/0x200 [ 248.995271] ? __lock_is_held+0xb5/0x140 [ 248.999551] __alloc_pages_nodemask+0xa80/0xde0 [ 249.004247] ? graph_lock+0x170/0x170 [ 249.008583] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 249.013607] ? graph_lock+0x170/0x170 [ 249.017425] ? find_held_lock+0x36/0x1c0 [ 249.021500] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.026175] ? lock_downgrade+0x900/0x900 [ 249.030332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.035881] cache_grow_begin+0x91/0x8c0 [ 249.039945] ? do_raw_spin_unlock+0xa7/0x2f0 [ 249.044361] fallback_alloc+0x203/0x2e0 [ 249.048351] ____cache_alloc_node+0x1c7/0x1e0 [ 249.052860] __kmalloc+0x208/0x760 [ 249.056411] ? __neigh_create+0x30b/0x2130 [ 249.060666] __neigh_create+0x30b/0x2130 [ 249.064734] ? trace_hardirqs_on+0xbd/0x310 [ 249.069053] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 249.074615] ? ip6t_do_table+0xd9e/0x1d30 [ 249.078779] ? mark_held_locks+0x130/0x130 [ 249.083028] ? __local_bh_enable_ip+0x160/0x260 [ 249.087703] ? neigh_hash_alloc+0x1e0/0x1e0 [ 249.092026] ? trace_hardirqs_on+0xbd/0x310 [ 249.096346] ? ip6t_do_table+0xd9e/0x1d30 [ 249.100493] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.106430] ? trace_hardirqs_on+0xbd/0x310 [ 249.111291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.116850] ? ip6t_do_table+0xd6a/0x1d30 [ 249.121002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.126546] ? check_preemption_disabled+0x48/0x200 [ 249.131574] ? check_preemption_disabled+0x48/0x200 [ 249.136614] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 249.142152] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.147430] ? rcu_pm_notify+0xc0/0xc0 [ 249.151317] ? graph_lock+0x170/0x170 [ 249.155118] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 249.160322] ip6_finish_output2+0xa59/0x27a0 [ 249.164743] ? ip6_copy_metadata+0xe30/0xe30 [ 249.169158] ? ip6_mtu+0x39c/0x520 [ 249.172699] ? lock_downgrade+0x900/0x900 [ 249.176848] ? check_preemption_disabled+0x48/0x200 [ 249.181894] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 249.187694] ? kasan_check_read+0x11/0x20 [ 249.191843] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.197151] ? rcu_bh_qs+0xc0/0xc0 [ 249.200705] ? ip6_mtu+0x160/0x520 [ 249.204248] ? dst_hold+0x2f0/0x2f0 [ 249.208315] ? kasan_check_read+0x11/0x20 [ 249.212462] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.217741] ? nf_nat_ipv6_out+0x212/0x550 [ 249.221988] ip6_finish_output+0x5fe/0xbc0 [ 249.226222] ? ip6_finish_output+0x5fe/0xbc0 [ 249.230641] ip6_output+0x23e/0xa00 [ 249.234269] ? check_preemption_disabled+0x48/0x200 [ 249.239292] ? ip6_finish_output+0xbc0/0xbc0 [ 249.243708] ? ip6_fragment+0x38c0/0x38c0 [ 249.247857] ? __lock_is_held+0xb5/0x140 [ 249.251935] ndisc_send_skb+0x1005/0x1570 [ 249.256091] ? ndisc_constructor+0xc40/0xc40 [ 249.260506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.266048] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.271499] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.277018] ndisc_send_rs+0x134/0x6e0 [ 249.280917] addrconf_rs_timer+0x3c0/0x6f0 [ 249.285159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.289417] call_timer_fn+0x272/0x920 [ 249.293306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.297544] ? process_timeout+0x40/0x40 [ 249.301612] ? find_held_lock+0x36/0x1c0 [ 249.305714] ? mark_held_locks+0xc7/0x130 [ 249.310318] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.314813] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.319306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.323549] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 249.328137] ? trace_hardirqs_on+0xbd/0x310 [ 249.332459] ? kasan_check_read+0x11/0x20 [ 249.336632] ? __run_timers+0x7da/0xc70 [ 249.340619] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.346101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.350344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.354583] __run_timers+0x7e5/0xc70 [ 249.358423] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 249.363791] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 249.368814] ? graph_lock+0x170/0x170 [ 249.372627] ? print_usage_bug+0xc0/0xc0 [ 249.376689] ? lock_release+0x970/0x970 [ 249.380670] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 249.385869] ? find_held_lock+0x36/0x1c0 [ 249.389952] ? graph_lock+0x170/0x170 [ 249.393760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.399298] ? check_preemption_disabled+0x48/0x200 [ 249.404329] ? __lock_is_held+0xb5/0x140 [ 249.408661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.414200] ? check_preemption_disabled+0x48/0x200 [ 249.419223] run_timer_softirq+0x52/0xb0 [ 249.423288] ? rcu_read_lock_sched_held+0x108/0x120 [ 249.428322] __do_softirq+0x30b/0xad8 [ 249.432136] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 249.437246] ? pvclock_read_flags+0x160/0x160 [ 249.441741] ? lapic_next_event+0x5a/0x90 [ 249.445894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.451435] ? check_preemption_disabled+0x48/0x200 [ 249.456458] ? check_preemption_disabled+0x48/0x200 [ 249.461502] ? kvm_clock_read+0x18/0x30 [ 249.465479] ? kvm_sched_clock_read+0x9/0x20 [ 249.469892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.475433] ? check_preemption_disabled+0x48/0x200 [ 249.480466] irq_exit+0x17f/0x1c0 [ 249.483923] smp_apic_timer_interrupt+0x1cb/0x760 [ 249.488768] ? smp_reschedule_interrupt+0x109/0x650 [ 249.493790] ? smp_call_function_single_interrupt+0x650/0x650 [ 249.499678] ? interrupt_entry+0xb5/0xf0 [ 249.503745] ? trace_hardirqs_off_caller+0xbb/0x300 [ 249.509350] ? trace_hardirqs_off_caller+0xbb/0x300 [ 249.514374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.519225] ? trace_hardirqs_off+0x300/0x300 [ 249.523722] ? trace_hardirqs_off+0x300/0x300 [ 249.528223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.533761] ? check_preemption_disabled+0x48/0x200 [ 249.538789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.543645] apic_timer_interrupt+0xf/0x20 [ 249.547873] [ 249.550114] RIP: 0010:console_unlock+0x1017/0x11a0 [ 249.555048] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 249.573947] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 249.581672] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 249.588941] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 249.596207] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 249.603475] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 249.611258] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 249.618566] ? netconsole_netdev_event+0x280/0x280 [ 249.623541] ? console_unlock+0x100e/0x11a0 [ 249.627882] ? devkmsg_read+0xbb0/0xbb0 [ 249.631857] ? vprintk_emit+0x7f7/0x930 [ 249.635834] ? lock_release+0x970/0x970 [ 249.639811] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.645285] ? vprintk_default+0x28/0x30 [ 249.649368] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.654853] ? kasan_check_write+0x14/0x20 [ 249.659101] ? do_raw_spin_lock+0xc1/0x200 [ 249.663347] vprintk_emit+0x33d/0x930 [ 249.667153] ? wake_up_klogd+0x180/0x180 [ 249.671222] ? find_held_lock+0x36/0x1c0 [ 249.675309] ? mark_held_locks+0xc7/0x130 [ 249.679461] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.683959] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.688472] vprintk_default+0x28/0x30 [ 249.692361] vprintk_func+0x7e/0x181 [ 249.696080] printk+0xa7/0xcf [ 249.699190] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 249.703948] ? _raw_spin_unlock_irq+0x60/0x80 [ 249.708944] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 249.714235] dump_header+0x7cc/0xf72 [ 249.717964] ? pagefault_out_of_memory+0x197/0x197 [ 249.722900] ? __lock_acquire+0x7ec/0x4ec0 [ 249.727140] ? print_usage_bug+0xc0/0xc0 [ 249.731209] ? graph_lock+0x170/0x170 [ 249.735007] ? graph_lock+0x170/0x170 [ 249.738811] ? print_usage_bug+0xc0/0xc0 [ 249.742878] ? print_usage_bug+0xc0/0xc0 [ 249.746943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.752491] ? find_held_lock+0x36/0x1c0 [ 249.756563] ? mark_held_locks+0xc7/0x130 [ 249.760720] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 249.765822] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 249.770937] ? lockdep_hardirqs_on+0x421/0x5c0 [ 249.775520] ? trace_hardirqs_on+0xbd/0x310 [ 249.779843] ? kasan_check_read+0x11/0x20 [ 249.783996] ? ___ratelimit+0x36f/0x655 [ 249.787969] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.793422] ? trace_hardirqs_on+0x310/0x310 [ 249.797835] ? lock_downgrade+0x900/0x900 [ 249.801995] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 249.807618] ? ___ratelimit+0xaa/0x655 [ 249.811512] ? idr_get_free+0xec0/0xec0 [ 249.815496] ? kasan_check_write+0x14/0x20 [ 249.819734] ? do_raw_spin_lock+0xc1/0x200 [ 249.823979] oom_kill_process.cold.27+0x10/0x903 [ 249.828735] ? graph_lock+0x170/0x170 [ 249.832536] ? _raw_spin_unlock+0x2c/0x50 [ 249.836688] ? oom_badness+0xe6/0xaa0 [ 249.840510] ? oom_evaluate_task+0x540/0x540 [ 249.844921] ? find_held_lock+0x36/0x1c0 [ 249.848992] ? out_of_memory+0x974/0x14c0 [ 249.853145] ? lock_downgrade+0x900/0x900 [ 249.857294] ? check_preemption_disabled+0x48/0x200 [ 249.862319] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 249.868136] ? kasan_check_read+0x11/0x20 [ 249.872308] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.877619] ? rcu_bh_qs+0xc0/0xc0 [ 249.881178] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 249.886723] ? oom_evaluate_task+0x302/0x540 [ 249.891142] out_of_memory+0xa86/0x14c0 [ 249.895126] ? oom_killer_disable+0x3a0/0x3a0 [ 249.899662] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 249.904604] ? __mutex_add_waiter+0x2a0/0x2a0 [ 249.909632] __alloc_pages_slowpath+0x2318/0x2d80 [ 249.914513] ? warn_alloc+0x120/0x120 [ 249.918318] ? __radix_tree_lookup+0x4c0/0x4c0 [ 249.922915] ? find_get_entry+0x2f2/0xc40 [ 249.927075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.932622] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 249.937556] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.943102] ? should_fail+0x22d/0xd01 [ 249.947000] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.952104] ? __lock_is_held+0xb5/0x140 [ 249.956193] ? __lock_is_held+0xb5/0x140 [ 249.960265] ? find_held_lock+0x36/0x1c0 [ 249.964335] ? ___might_sleep+0x1ed/0x300 [ 249.968482] ? lock_release+0x970/0x970 [ 249.972460] ? arch_local_save_flags+0x40/0x40 [ 249.977058] ? __might_sleep+0x95/0x190 [ 249.981041] __alloc_pages_nodemask+0xa80/0xde0 [ 249.985731] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 249.990754] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 249.996556] ? kasan_check_read+0x11/0x20 [ 250.000712] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.005992] ? graph_lock+0x170/0x170 [ 250.010316] ? print_usage_bug+0xc0/0xc0 [ 250.014387] ? graph_lock+0x170/0x170 [ 250.018190] ? graph_lock+0x170/0x170 [ 250.021997] ? __do_page_cache_readahead+0x7ce/0x980 [ 250.027106] ? find_held_lock+0x36/0x1c0 [ 250.031172] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 250.036714] alloc_pages_current+0x10c/0x210 [ 250.041140] ? lock_downgrade+0x900/0x900 [ 250.045293] __page_cache_alloc+0x38f/0x5b0 [ 250.049621] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 250.055425] ? kasan_check_read+0x11/0x20 [ 250.059573] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.064880] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 250.069553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.075095] ? check_preemption_disabled+0x48/0x200 [ 250.080121] filemap_fault+0x1594/0x25f0 [ 250.084200] ? __lock_page_or_retry+0xa00/0xa00 [ 250.088887] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 250.094689] ? kasan_check_read+0x11/0x20 [ 250.098838] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.104116] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 250.109704] ? rcu_bh_qs+0xc0/0xc0 [ 250.113252] ? trace_hardirqs_on+0xbd/0x310 [ 250.117573] ? kasan_check_read+0x11/0x20 [ 250.121727] ? __free_object+0x173/0x340 [ 250.125798] ? filemap_map_pages+0xdea/0x1980 [ 250.130300] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 250.135411] ? __free_object+0x173/0x340 [ 250.139496] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 250.144768] ? debug_object_free+0x325/0x690 [ 250.149224] ? find_get_pages_range_tag+0x1320/0x1320 [ 250.154443] ? graph_lock+0x170/0x170 [ 250.158253] ? kasan_check_read+0x11/0x20 [ 250.162409] ? debug_object_destroy+0x2b0/0x2b0 [ 250.167094] ? lock_acquire+0x1ed/0x520 [ 250.171070] ? ext4_filemap_fault+0x7a/0xad [ 250.175426] ? lock_release+0x970/0x970 [ 250.179404] ? arch_local_save_flags+0x40/0x40 [ 250.184007] ? futex_wait_setup+0x3e0/0x3e0 [ 250.188344] ? down_read+0xb0/0x1d0 [ 250.191992] ? ext4_filemap_fault+0x7a/0xad [ 250.196318] ? __down_interruptible+0x700/0x700 [ 250.201021] ext4_filemap_fault+0x82/0xad [ 250.205171] __do_fault+0x100/0x6b0 [ 250.209275] ? print_bad_pte+0x6c0/0x6c0 [ 250.213339] ? do_futex+0x249/0x26d0 [ 250.217053] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.222511] ? kasan_check_read+0x11/0x20 [ 250.226661] ? pmd_val+0x88/0x100 [ 250.230122] ? add_mm_counter_fast+0xd0/0xd0 [ 250.234531] ? pmd_val+0x88/0x100 [ 250.237988] ? add_mm_counter_fast+0xd0/0xd0 [ 250.242411] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.247960] __handle_mm_fault+0x3709/0x53e0 [ 250.252391] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 250.257243] ? graph_lock+0x170/0x170 [ 250.261051] ? print_usage_bug+0xc0/0xc0 [ 250.265112] ? lockdep_hardirqs_on+0x421/0x5c0 [ 250.269698] ? graph_lock+0x170/0x170 [ 250.273499] ? graph_lock+0x170/0x170 [ 250.277320] ? handle_mm_fault+0x42a/0xc70 [ 250.281562] ? lock_downgrade+0x900/0x900 [ 250.285722] ? check_preemption_disabled+0x48/0x200 [ 250.290763] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 250.296562] ? kasan_check_read+0x11/0x20 [ 250.300721] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.306017] ? rcu_bh_qs+0xc0/0xc0 [ 250.310060] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.315519] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.321061] ? check_preemption_disabled+0x48/0x200 [ 250.326091] handle_mm_fault+0x54f/0xc70 [ 250.330161] ? __handle_mm_fault+0x53e0/0x53e0 [ 250.334754] ? find_vma+0x34/0x190 [ 250.338318] __do_page_fault+0x67d/0xed0 [ 250.342396] ? mm_fault_error+0x380/0x380 [ 250.346545] ? trace_hardirqs_off+0xb8/0x300 [ 250.350953] ? trace_hardirqs_on+0x310/0x310 [ 250.355365] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 250.360751] ? trace_hardirqs_on+0x310/0x310 [ 250.365175] do_page_fault+0xf2/0x7e0 [ 250.368982] ? vmalloc_sync_all+0x30/0x30 [ 250.373137] ? error_entry+0x70/0xd0 [ 250.376855] ? trace_hardirqs_off_caller+0xbb/0x300 [ 250.381872] ? trace_hardirqs_on_caller+0xc0/0x300 [ 250.386803] ? syscall_return_slowpath+0x5e0/0x5e0 [ 250.391738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.396631] ? trace_hardirqs_off+0x300/0x300 [ 250.401136] ? trace_hardirqs_off_caller+0x300/0x300 [ 250.406249] ? prepare_exit_to_usermode+0x291/0x3b0 [ 250.411784] ? page_fault+0x8/0x30 [ 250.415330] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.420183] ? page_fault+0x8/0x30 [ 250.423727] page_fault+0x1e/0x30 [ 250.427181] RIP: 0033:0x45ddf3 [ 250.430386] Code: Bad RIP value. [ 250.433753] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 250.439119] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 250.446397] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 250.453671] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 250.460943] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 250.468215] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 250.475514] warn_alloc_show_mem: 1 callbacks suppressed [ 250.475527] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 250.475529] Mem-Info: [ 250.475558] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 250.475558] active_file:16 inactive_file:19 isolated_file:0 [ 250.475558] unevictable:0 dirty:0 writeback:0 unstable:0 [ 250.475558] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 250.475558] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 250.475558] free:13708 free_pcp:124 free_cma:0 [ 250.480907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.480916] Call Trace: [ 250.488116] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 250.490515] [ 250.523863] Node 0 [ 250.533245] dump_stack+0x1c4/0x2b4 [ 250.535836] 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 [ 250.563498] ? dump_stack_print_info.cold.2+0x52/0x52 [ 250.565626] lowmem_reserve[]: 0 [ 250.567889] warn_alloc.cold.118+0xb7/0x1bd [ 250.571473] 2817 6321 [ 250.597036] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 250.602200] 6321 [ 250.605487] ? lock_downgrade+0x900/0x900 [ 250.609986] Node 0 [ 250.612488] ? trace_hardirqs_off+0xb8/0x300 [ 250.617343] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 250.619387] ? trace_hardirqs_off+0xb8/0x300 [ 250.623506] lowmem_reserve[]: 0 [ 250.625757] __alloc_pages_slowpath+0x2667/0x2d80 [ 250.630131] 0 3503 [ 250.657144] ? warn_alloc+0x120/0x120 [ 250.661507] 3503 [ 250.664784] ? trace_hardirqs_on+0x310/0x310 [ 250.671841] ? warn_alloc+0x120/0x120 [ 250.675620] Node 0 [ 250.677686] ? print_usage_bug+0xc0/0xc0 [ 250.682099] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 250.685869] ? warn_alloc+0x120/0x120 [ 250.688083] lowmem_reserve[]: 0 [ 250.692149] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 250.720808] 0 0 [ 250.724633] ? print_usage_bug+0xc0/0xc0 [ 250.727879] 0 [ 250.732933] ? __lock_acquire+0x7ec/0x4ec0 [ 250.734895] Node 0 [ 250.738950] ? __lock_acquire+0x7ec/0x4ec0 [ 250.740723] DMA: 1*4kB [ 250.744966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.747182] (U) [ 250.751419] ? should_fail+0x22d/0xd01 [ 250.753975] 0*8kB 0*16kB [ 250.759529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.761476] 1*32kB (U) [ 250.765368] ? __lock_acquire+0x7ec/0x4ec0 [ 250.768112] 2*64kB (U) [ 250.773221] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.775787] 1*128kB [ 250.780016] ? __lock_acquire+0x7ec/0x4ec0 [ 250.782580] (U) [ 250.787679] ? should_fail+0x22d/0xd01 [ 250.789974] 1*256kB (U) [ 250.794210] ? print_usage_bug+0xc0/0xc0 [ 250.796161] 0*512kB 1*1024kB [ 250.800061] ? mark_held_locks+0x130/0x130 [ 250.802705] (U) [ 250.806762] ? mark_held_locks+0x130/0x130 [ 250.810300] 1*2048kB (M) [ 250.814548] ? graph_lock+0x170/0x170 [ 250.816495] 3*4096kB (M) [ 250.820736] ? print_usage_bug+0xc0/0xc0 [ 250.823473] = 15908kB [ 250.827270] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.830006] Node 0 [ 250.834066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.836452] DMA32: [ 250.841206] ? check_preemption_disabled+0x48/0x200 [ 250.843418] 3*4kB [ 250.848955] ? check_preemption_disabled+0x48/0x200 [ 250.851168] (UM) [ 250.856187] ? __lock_is_held+0xb5/0x140 [ 250.858326] 2*8kB [ 250.863343] __alloc_pages_nodemask+0xa80/0xde0 [ 250.865386] (M) [ 250.869440] ? graph_lock+0x170/0x170 [ 250.871568] 3*16kB (UM) [ 250.876245] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 250.878199] 3*32kB [ 250.882008] ? graph_lock+0x170/0x170 [ 250.884658] (M) [ 250.889679] ? find_held_lock+0x36/0x1c0 [ 250.891881] 3*64kB (UM) 4*128kB [ 250.895696] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.897641] (UM) 3*256kB [ 250.901712] ? lock_downgrade+0x900/0x900 [ 250.905048] (M) 4*512kB [ 250.909728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.912458] (M) 3*1024kB [ 250.916618] cache_grow_begin+0x91/0x8c0 [ 250.919265] (UM) [ 250.924803] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.927529] 1*2048kB (M) [ 250.931604] fallback_alloc+0x203/0x2e0 [ 250.933652] 4*4096kB [ 250.938066] ____cache_alloc_node+0x1c7/0x1e0 [ 250.940796] (M) [ 250.944768] kmem_cache_alloc_node+0xe3/0x730 [ 250.947148] = 25196kB [ 250.947157] Node 0 [ 250.951660] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.953622] Normal: [ 250.958120] __alloc_skb+0x119/0x770 [ 250.960506] 852*4kB [ 250.962743] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.966956] (UMEH) [ 250.969276] ? skb_scrub_packet+0x490/0x490 [ 250.972971] 324*8kB [ 250.975304] ? lock_downgrade+0x900/0x900 [ 250.980573] (UMEH) [ 250.982812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.987100] 169*16kB (UMEH) [ 250.989467] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.993600] 81*32kB [ 250.996330] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 251.001862] (UMEH) [ 251.004897] ? addrconf_rs_timer+0x6f0/0x6f0 [ 251.010545] 31*64kB (UMH) [ 251.012880] ndisc_alloc_skb+0x144/0x340 [ 251.018296] 3*128kB (H) [ 251.020538] ndisc_send_rs+0x331/0x6e0 [ 251.024918] 1*256kB (H) [ 251.027776] addrconf_rs_timer+0x3c0/0x6f0 [ 251.031806] 0*512kB 0*1024kB [ 251.034497] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.038372] 0*2048kB [ 251.041050] call_timer_fn+0x272/0x920 [ 251.045249] 0*4096kB = 13920kB [ 251.048362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.052584] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 251.055023] ? process_timeout+0x40/0x40 [ 251.058891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 251.058900] 414 total pagecache pages [ 251.062087] ? find_held_lock+0x36/0x1c0 [ 251.066310] 0 pages in swap cache [ 251.075136] ? __run_timers+0x7da/0xc70 [ 251.079179] Swap cache stats: add 0, delete 0, find 0/0 [ 251.087746] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.091536] Free swap = 0kB [ 251.095588] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.099020] Total swap = 0kB [ 251.103138] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.103148] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 251.103158] ? trace_hardirqs_on+0xbd/0x310 [ 251.103167] ? kasan_check_read+0x11/0x20 [ 251.103176] ? __run_timers+0x7da/0xc70 [ 251.103185] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.103195] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.103219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.103227] __run_timers+0x7e5/0xc70 [ 251.103254] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 251.103264] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 251.103286] ? graph_lock+0x170/0x170 [ 251.103295] ? enqueue_hrtimer+0x1a5/0x560 [ 251.103302] ? lock_release+0x970/0x970 [ 251.103310] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 251.103321] ? find_held_lock+0x36/0x1c0 [ 251.103343] ? graph_lock+0x170/0x170 [ 251.103352] ? pvclock_read_flags+0x160/0x160 [ 251.103360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.103370] ? check_preemption_disabled+0x48/0x200 [ 251.103385] ? __lock_is_held+0xb5/0x140 [ 251.103400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.103415] ? check_preemption_disabled+0x48/0x200 [ 251.103435] run_timer_softirq+0x52/0xb0 [ 251.109266] 1965979 pages RAM [ 251.113762] ? rcu_read_lock_sched_held+0x108/0x120 [ 251.116750] 0 pages HighMem/MovableOnly [ 251.116759] 342744 pages reserved [ 251.121264] __do_softirq+0x30b/0xad8 [ 251.124258] 0 pages cma reserved [ 251.124846] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 251.128503] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 251.133058] syz-fuzzer cpuset= [ 251.137377] ? pvclock_read_flags+0x160/0x160 [ 251.141507] / [ 251.145477] ? lapic_next_event+0x5a/0x90 [ 251.150911] mems_allowed=0 [ 251.155139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.292089] ? check_preemption_disabled+0x48/0x200 [ 251.297110] ? check_preemption_disabled+0x48/0x200 [ 251.302132] ? kvm_clock_read+0x18/0x30 [ 251.306121] ? kvm_sched_clock_read+0x9/0x20 [ 251.310685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.316270] ? check_preemption_disabled+0x48/0x200 [ 251.321298] irq_exit+0x17f/0x1c0 [ 251.324760] smp_apic_timer_interrupt+0x1cb/0x760 [ 251.329604] ? smp_reschedule_interrupt+0x109/0x650 [ 251.334634] ? smp_call_function_single_interrupt+0x650/0x650 [ 251.340525] ? interrupt_entry+0xb5/0xf0 [ 251.344592] ? trace_hardirqs_off_caller+0xbb/0x300 [ 251.349625] ? trace_hardirqs_off_caller+0xbb/0x300 [ 251.354646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.359488] ? trace_hardirqs_off+0x300/0x300 [ 251.363986] ? trace_hardirqs_off+0x300/0x300 [ 251.368481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.374022] ? check_preemption_disabled+0x48/0x200 [ 251.379048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.384597] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.389452] apic_timer_interrupt+0xf/0x20 [ 251.393679] [ 251.395934] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 251.400865] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 251.419771] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 251.427497] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 251.434760] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 251.442028] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 251.449306] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 251.456571] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 251.463878] skb_clone+0x1bb/0x500 [ 251.467424] ? finish_task_switch+0x2f5/0x900 [ 251.471937] ? skb_split+0x11e0/0x11e0 [ 251.475827] ? preempt_notifier_register+0x200/0x200 [ 251.480930] ? __switch_to_asm+0x34/0x70 [ 251.484988] ? __switch_to_asm+0x34/0x70 [ 251.489051] ? __switch_to_asm+0x40/0x70 [ 251.493111] ? __switch_to_asm+0x34/0x70 [ 251.497172] ? __switch_to_asm+0x40/0x70 [ 251.501232] ? __switch_to_asm+0x34/0x70 [ 251.505322] ? __switch_to_asm+0x40/0x70 [ 251.509481] ? __switch_to_asm+0x34/0x70 [ 251.513543] ? __switch_to_asm+0x34/0x70 [ 251.517604] ? __switch_to_asm+0x40/0x70 [ 251.521680] ? __switch_to_asm+0x34/0x70 [ 251.525754] bpf_clone_redirect+0xb9/0x490 [ 251.529991] ? __schedule+0x874/0x1ed0 [ 251.533887] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 251.538913] ? __sched_text_start+0x8/0x8 [ 251.543061] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 251.547831] ? find_held_lock+0x36/0x1c0 [ 251.551908] ? lock_acquire+0x1ed/0x520 [ 251.555890] ? bpf_test_run+0x32e/0x5a0 [ 251.559867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.565424] ? check_preemption_disabled+0x48/0x200 [ 251.570450] ? kasan_check_read+0x11/0x20 [ 251.574599] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.579881] ? rcu_bh_qs+0xc0/0xc0 [ 251.583430] ? preempt_schedule+0x4d/0x60 [ 251.587576] ? ___preempt_schedule+0x16/0x18 [ 251.591995] ? bpf_test_run+0x1c0/0x5a0 [ 251.595984] ? netlink_diag_dump+0x2a0/0x2a0 [ 251.600417] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.605967] ? bpf_test_init.isra.9+0x70/0x100 [ 251.610664] ? bpf_prog_test_run_skb+0x634/0xb40 [ 251.615426] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.620266] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.625826] ? fput+0x130/0x1a0 [ 251.629120] ? __bpf_prog_get+0x9b/0x290 [ 251.633183] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.638034] ? bpf_prog_test_run+0x130/0x1a0 [ 251.642442] ? __x64_sys_bpf+0x3d8/0x510 [ 251.646526] ? bpf_prog_get+0x20/0x20 [ 251.650346] ? ksys_ioctl+0x81/0xd0 [ 251.653981] ? do_syscall_64+0x1b9/0x820 [ 251.658045] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 251.663413] ? syscall_return_slowpath+0x5e0/0x5e0 [ 251.668348] ? trace_hardirqs_off+0x300/0x300 [ 251.672845] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 251.677916] ? recalc_sigpending_tsk+0x180/0x180 [ 251.682674] ? kasan_check_write+0x14/0x20 [ 251.686939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.691805] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 251.697209] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 251.697276] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 251.704140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.704146] Call Trace: [ 251.704153] [ 251.704168] dump_stack+0x1c4/0x2b4 [ 251.704185] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.704227] warn_alloc.cold.118+0xb7/0x1bd [ 251.710781] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 251.720048] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.722627] syz-executor7 cpuset= [ 251.724785] ? lock_downgrade+0x900/0x900 [ 251.728396] syz7 [ 251.733608] ? trace_hardirqs_off+0xb8/0x300 [ 251.737903] mems_allowed=0 [ 251.748388] ? trace_hardirqs_off+0xb8/0x300 [ 251.774490] __alloc_pages_slowpath+0x2667/0x2d80 [ 251.779388] ? warn_alloc+0x120/0x120 [ 251.783207] ? veth_xmit+0x681/0xb00 [ 251.786923] ? warn_alloc+0x120/0x120 [ 251.790742] ? print_usage_bug+0xc0/0xc0 [ 251.794805] ? warn_alloc+0x120/0x120 [ 251.798610] ? print_usage_bug+0xc0/0xc0 [ 251.802694] ? rcu_bh_qs+0xc0/0xc0 [ 251.806237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.812219] ? check_preemption_disabled+0x48/0x200 [ 251.817238] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.822790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.828326] ? should_fail+0x22d/0xd01 [ 251.832220] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.837321] ? __lock_acquire+0x7ec/0x4ec0 [ 251.841563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.846676] ? __lock_acquire+0x7ec/0x4ec0 [ 251.850909] ? should_fail+0x22d/0xd01 [ 251.854811] ? mark_held_locks+0x130/0x130 [ 251.859055] ? mark_held_locks+0x130/0x130 [ 251.863291] ? graph_lock+0x170/0x170 [ 251.867115] ? dev_hard_start_xmit+0x420/0xc70 [ 251.871706] ? graph_lock+0x170/0x170 [ 251.875513] ? dev_direct_xmit+0x6b0/0x6b0 [ 251.879751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.885329] ? check_preemption_disabled+0x48/0x200 [ 251.890344] ? check_preemption_disabled+0x48/0x200 [ 251.895395] ? __lock_is_held+0xb5/0x140 [ 251.899464] __alloc_pages_nodemask+0xa80/0xde0 [ 251.904135] ? graph_lock+0x170/0x170 [ 251.908409] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 251.913427] ? graph_lock+0x170/0x170 [ 251.917235] ? find_held_lock+0x36/0x1c0 [ 251.921303] ? ____cache_alloc_node+0x1c7/0x1e0 [ 251.925996] ? lock_downgrade+0x900/0x900 [ 251.930161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.935708] cache_grow_begin+0x91/0x8c0 [ 251.939776] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.944193] fallback_alloc+0x203/0x2e0 [ 251.948199] ____cache_alloc_node+0x1c7/0x1e0 [ 251.952698] __kmalloc+0x208/0x760 [ 251.956254] ? __neigh_create+0x30b/0x2130 [ 251.960497] __neigh_create+0x30b/0x2130 [ 251.964559] ? trace_hardirqs_on+0xbd/0x310 [ 251.968884] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.974420] ? ip6t_do_table+0xd9e/0x1d30 [ 251.978572] ? mark_held_locks+0x130/0x130 [ 251.982830] ? __local_bh_enable_ip+0x160/0x260 [ 251.987503] ? neigh_hash_alloc+0x1e0/0x1e0 [ 251.991825] ? trace_hardirqs_on+0xbd/0x310 [ 251.996154] ? ip6t_do_table+0xd9e/0x1d30 [ 252.000304] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.005781] ? trace_hardirqs_on+0xbd/0x310 [ 252.010578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.016121] ? ip6t_do_table+0xd6a/0x1d30 [ 252.020276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.025818] ? check_preemption_disabled+0x48/0x200 [ 252.030835] ? check_preemption_disabled+0x48/0x200 [ 252.035865] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 252.041415] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.046697] ? rcu_pm_notify+0xc0/0xc0 [ 252.050585] ? graph_lock+0x170/0x170 [ 252.054400] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 252.059608] ip6_finish_output2+0xa59/0x27a0 [ 252.064033] ? ip6_copy_metadata+0xe30/0xe30 [ 252.068444] ? ip6_mtu+0x39c/0x520 [ 252.071989] ? lock_downgrade+0x900/0x900 [ 252.076143] ? check_preemption_disabled+0x48/0x200 [ 252.081170] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 252.086967] ? kasan_check_read+0x11/0x20 [ 252.091122] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.096404] ? rcu_bh_qs+0xc0/0xc0 [ 252.099960] ? ip6_mtu+0x160/0x520 [ 252.103503] ? dst_hold+0x2f0/0x2f0 [ 252.107621] ? kasan_check_read+0x11/0x20 [ 252.111776] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.117053] ? nf_nat_ipv6_out+0x212/0x550 [ 252.121318] ip6_finish_output+0x5fe/0xbc0 [ 252.125564] ? ip6_finish_output+0x5fe/0xbc0 [ 252.129997] ip6_output+0x23e/0xa00 [ 252.133628] ? check_preemption_disabled+0x48/0x200 [ 252.138682] ? ip6_finish_output+0xbc0/0xbc0 [ 252.143106] ? ip6_fragment+0x38c0/0x38c0 [ 252.147256] ? __lock_is_held+0xb5/0x140 [ 252.151361] ndisc_send_skb+0x1005/0x1570 [ 252.155521] ? ndisc_constructor+0xc40/0xc40 [ 252.159934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.165491] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.170952] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.176420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.181976] ndisc_send_rs+0x134/0x6e0 [ 252.185884] addrconf_rs_timer+0x3c0/0x6f0 [ 252.190127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.194377] call_timer_fn+0x272/0x920 [ 252.198283] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.202546] ? process_timeout+0x40/0x40 [ 252.206629] ? find_held_lock+0x36/0x1c0 [ 252.211186] ? mark_held_locks+0xc7/0x130 [ 252.215337] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.219835] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.224329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.228567] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 252.233157] ? trace_hardirqs_on+0xbd/0x310 [ 252.237482] ? kasan_check_read+0x11/0x20 [ 252.241633] ? __run_timers+0x7da/0xc70 [ 252.245628] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.251083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.255326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.259568] __run_timers+0x7e5/0xc70 [ 252.263396] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 252.268767] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 252.273785] ? graph_lock+0x170/0x170 [ 252.277598] ? print_usage_bug+0xc0/0xc0 [ 252.281662] ? lock_release+0x970/0x970 [ 252.285637] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 252.290835] ? find_held_lock+0x36/0x1c0 [ 252.294905] ? graph_lock+0x170/0x170 [ 252.298720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.304264] ? check_preemption_disabled+0x48/0x200 [ 252.309801] ? __lock_is_held+0xb5/0x140 [ 252.313861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.319429] ? check_preemption_disabled+0x48/0x200 [ 252.324486] run_timer_softirq+0x52/0xb0 [ 252.328567] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.333602] __do_softirq+0x30b/0xad8 [ 252.337421] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 252.342533] ? pvclock_read_flags+0x160/0x160 [ 252.347043] ? lapic_next_event+0x5a/0x90 [ 252.351194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.356760] ? check_preemption_disabled+0x48/0x200 [ 252.361775] ? check_preemption_disabled+0x48/0x200 [ 252.366796] ? kvm_clock_read+0x18/0x30 [ 252.370772] ? kvm_sched_clock_read+0x9/0x20 [ 252.375269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.380814] ? check_preemption_disabled+0x48/0x200 [ 252.385848] irq_exit+0x17f/0x1c0 [ 252.389309] smp_apic_timer_interrupt+0x1cb/0x760 [ 252.394152] ? smp_reschedule_interrupt+0x109/0x650 [ 252.399174] ? smp_call_function_single_interrupt+0x650/0x650 [ 252.405071] ? interrupt_entry+0xb5/0xf0 [ 252.409625] ? trace_hardirqs_off_caller+0xbb/0x300 [ 252.414648] ? trace_hardirqs_off_caller+0xbb/0x300 [ 252.419668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.424515] ? trace_hardirqs_off+0x300/0x300 [ 252.429014] ? trace_hardirqs_off+0x300/0x300 [ 252.433509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.439055] ? check_preemption_disabled+0x48/0x200 [ 252.444089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.448942] apic_timer_interrupt+0xf/0x20 [ 252.453174] [ 252.455421] RIP: 0010:console_unlock+0x1017/0x11a0 [ 252.460351] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 252.479260] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 252.486972] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 252.494245] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 252.501513] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 252.509261] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 252.516527] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 252.523810] ? netconsole_netdev_event+0x280/0x280 [ 252.528749] ? console_unlock+0x100e/0x11a0 [ 252.533094] ? devkmsg_read+0xbb0/0xbb0 [ 252.537070] ? vprintk_emit+0x7f7/0x930 [ 252.541048] ? lock_release+0x970/0x970 [ 252.545024] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.550477] ? vprintk_default+0x28/0x30 [ 252.554543] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.559998] ? kasan_check_write+0x14/0x20 [ 252.564239] ? do_raw_spin_lock+0xc1/0x200 [ 252.568484] vprintk_emit+0x33d/0x930 [ 252.572296] ? wake_up_klogd+0x180/0x180 [ 252.576376] ? find_held_lock+0x36/0x1c0 [ 252.580455] ? mark_held_locks+0xc7/0x130 [ 252.584615] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.589108] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.593628] vprintk_default+0x28/0x30 [ 252.597532] vprintk_func+0x7e/0x181 [ 252.601255] printk+0xa7/0xcf [ 252.604366] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 252.609621] ? _raw_spin_unlock_irq+0x60/0x80 [ 252.614130] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 252.619419] dump_header+0x7cc/0xf72 [ 252.623144] ? pagefault_out_of_memory+0x197/0x197 [ 252.628081] ? __lock_acquire+0x7ec/0x4ec0 [ 252.632319] ? print_usage_bug+0xc0/0xc0 [ 252.636397] ? graph_lock+0x170/0x170 [ 252.640209] ? graph_lock+0x170/0x170 [ 252.644009] ? print_usage_bug+0xc0/0xc0 [ 252.648074] ? print_usage_bug+0xc0/0xc0 [ 252.652140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.657681] ? find_held_lock+0x36/0x1c0 [ 252.661753] ? mark_held_locks+0xc7/0x130 [ 252.665903] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 252.671010] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 252.676118] ? lockdep_hardirqs_on+0x421/0x5c0 [ 252.680705] ? trace_hardirqs_on+0xbd/0x310 [ 252.685040] ? kasan_check_read+0x11/0x20 [ 252.689191] ? ___ratelimit+0x36f/0x655 [ 252.693170] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.698631] ? trace_hardirqs_on+0x310/0x310 [ 252.703040] ? lock_downgrade+0x900/0x900 [ 252.707705] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.712827] ? ___ratelimit+0xaa/0x655 [ 252.716721] ? idr_get_free+0xec0/0xec0 [ 252.720700] ? kasan_check_write+0x14/0x20 [ 252.724935] ? do_raw_spin_lock+0xc1/0x200 [ 252.729179] oom_kill_process.cold.27+0x10/0x903 [ 252.733935] ? graph_lock+0x170/0x170 [ 252.737748] ? _raw_spin_unlock+0x2c/0x50 [ 252.741895] ? oom_badness+0xe6/0xaa0 [ 252.745714] ? oom_evaluate_task+0x540/0x540 [ 252.750128] ? find_held_lock+0x36/0x1c0 [ 252.754200] ? out_of_memory+0x974/0x14c0 [ 252.758366] ? lock_downgrade+0x900/0x900 [ 252.762519] ? check_preemption_disabled+0x48/0x200 [ 252.767547] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 252.773347] ? kasan_check_read+0x11/0x20 [ 252.777495] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.782772] ? rcu_bh_qs+0xc0/0xc0 [ 252.786321] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 252.791870] ? oom_evaluate_task+0x302/0x540 [ 252.796286] out_of_memory+0xa86/0x14c0 [ 252.800270] ? oom_killer_disable+0x3a0/0x3a0 [ 252.804770] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 252.810140] ? __mutex_add_waiter+0x2a0/0x2a0 [ 252.814679] __alloc_pages_slowpath+0x2318/0x2d80 [ 252.819548] ? warn_alloc+0x120/0x120 [ 252.823348] ? __radix_tree_lookup+0x4c0/0x4c0 [ 252.827966] ? find_get_entry+0x2f2/0xc40 [ 252.832125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.837668] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 252.842629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.848199] ? should_fail+0x22d/0xd01 [ 252.852097] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.857202] ? __lock_is_held+0xb5/0x140 [ 252.861294] ? __lock_is_held+0xb5/0x140 [ 252.865395] ? find_held_lock+0x36/0x1c0 [ 252.869464] ? ___might_sleep+0x1ed/0x300 [ 252.873618] ? lock_release+0x970/0x970 [ 252.877602] ? arch_local_save_flags+0x40/0x40 [ 252.882198] ? __might_sleep+0x95/0x190 [ 252.886178] __alloc_pages_nodemask+0xa80/0xde0 [ 252.890861] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 252.895884] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 252.901683] ? kasan_check_read+0x11/0x20 [ 252.905833] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.911621] ? graph_lock+0x170/0x170 [ 252.915422] ? print_usage_bug+0xc0/0xc0 [ 252.919487] ? graph_lock+0x170/0x170 [ 252.923284] ? graph_lock+0x170/0x170 [ 252.927102] ? __do_page_cache_readahead+0x7ce/0x980 [ 252.932211] ? find_held_lock+0x36/0x1c0 [ 252.936283] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 252.941843] alloc_pages_current+0x10c/0x210 [ 252.946255] ? lock_downgrade+0x900/0x900 [ 252.950413] __page_cache_alloc+0x38f/0x5b0 [ 252.954741] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 252.960545] ? kasan_check_read+0x11/0x20 [ 252.964702] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.969984] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 252.974658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.980200] ? check_preemption_disabled+0x48/0x200 [ 252.985229] filemap_fault+0x1594/0x25f0 [ 252.989304] ? __lock_page_or_retry+0xa00/0xa00 [ 252.993978] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 252.999986] ? kasan_check_read+0x11/0x20 [ 253.004147] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.009790] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 253.014902] ? rcu_bh_qs+0xc0/0xc0 [ 253.018446] ? trace_hardirqs_on+0xbd/0x310 [ 253.022794] ? kasan_check_read+0x11/0x20 [ 253.026944] ? __free_object+0x173/0x340 [ 253.031018] ? filemap_map_pages+0xdea/0x1980 [ 253.035524] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 253.040624] ? __free_object+0x173/0x340 [ 253.044688] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 253.049963] ? debug_object_free+0x325/0x690 [ 253.054375] ? find_get_pages_range_tag+0x1320/0x1320 [ 253.059583] ? graph_lock+0x170/0x170 [ 253.063405] ? kasan_check_read+0x11/0x20 [ 253.067554] ? debug_object_destroy+0x2b0/0x2b0 [ 253.072236] ? lock_acquire+0x1ed/0x520 [ 253.076211] ? ext4_filemap_fault+0x7a/0xad [ 253.080542] ? lock_release+0x970/0x970 [ 253.084520] ? arch_local_save_flags+0x40/0x40 [ 253.089107] ? futex_wait_setup+0x3e0/0x3e0 [ 253.093478] ? down_read+0xb0/0x1d0 [ 253.097114] ? ext4_filemap_fault+0x7a/0xad [ 253.101459] ? __down_interruptible+0x700/0x700 [ 253.106688] ext4_filemap_fault+0x82/0xad [ 253.111360] __do_fault+0x100/0x6b0 [ 253.115008] ? print_bad_pte+0x6c0/0x6c0 [ 253.119073] ? do_futex+0x249/0x26d0 [ 253.122788] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.128244] ? kasan_check_read+0x11/0x20 [ 253.132419] ? pmd_val+0x88/0x100 [ 253.135882] ? add_mm_counter_fast+0xd0/0xd0 [ 253.140290] ? pmd_val+0x88/0x100 [ 253.143745] ? add_mm_counter_fast+0xd0/0xd0 [ 253.148157] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.153707] __handle_mm_fault+0x3709/0x53e0 [ 253.158144] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 253.162990] ? graph_lock+0x170/0x170 [ 253.166795] ? print_usage_bug+0xc0/0xc0 [ 253.170858] ? lockdep_hardirqs_on+0x421/0x5c0 [ 253.175454] ? graph_lock+0x170/0x170 [ 253.179257] ? graph_lock+0x170/0x170 [ 253.183080] ? handle_mm_fault+0x42a/0xc70 [ 253.187315] ? lock_downgrade+0x900/0x900 [ 253.191467] ? check_preemption_disabled+0x48/0x200 [ 253.196491] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 253.202290] ? kasan_check_read+0x11/0x20 [ 253.206457] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.212226] ? rcu_bh_qs+0xc0/0xc0 [ 253.215768] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.221218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.226760] ? check_preemption_disabled+0x48/0x200 [ 253.231790] handle_mm_fault+0x54f/0xc70 [ 253.235857] ? __handle_mm_fault+0x53e0/0x53e0 [ 253.240442] ? find_vma+0x34/0x190 [ 253.243988] __do_page_fault+0x67d/0xed0 [ 253.248057] ? mm_fault_error+0x380/0x380 [ 253.252203] ? trace_hardirqs_off+0xb8/0x300 [ 253.256617] ? trace_hardirqs_on+0x310/0x310 [ 253.261027] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.266395] ? trace_hardirqs_on+0x310/0x310 [ 253.270816] do_page_fault+0xf2/0x7e0 [ 253.274624] ? vmalloc_sync_all+0x30/0x30 [ 253.278778] ? error_entry+0x70/0xd0 [ 253.282496] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.287512] ? trace_hardirqs_on_caller+0xc0/0x300 [ 253.292438] ? syscall_return_slowpath+0x5e0/0x5e0 [ 253.297378] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.302236] ? trace_hardirqs_off+0x300/0x300 [ 253.306741] ? trace_hardirqs_off_caller+0x300/0x300 [ 253.312079] ? prepare_exit_to_usermode+0x291/0x3b0 [ 253.317108] ? page_fault+0x8/0x30 [ 253.320651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.325497] ? page_fault+0x8/0x30 [ 253.329038] page_fault+0x1e/0x30 [ 253.332488] RIP: 0033:0x45ddf3 [ 253.335682] Code: Bad RIP value. [ 253.339044] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 253.344410] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 253.351691] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 253.358969] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 253.366234] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 253.373498] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 253.380788] warn_alloc_show_mem: 1 callbacks suppressed [ 253.380800] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 253.380803] Mem-Info: [ 253.380832] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 253.380832] active_file:16 inactive_file:19 isolated_file:0 [ 253.380832] unevictable:0 dirty:0 writeback:0 unstable:0 [ 253.380832] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 253.380832] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 253.380832] free:13708 free_pcp:124 free_cma:0 [ 253.386187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.393396] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 253.395792] Call Trace: [ 253.429139] Node 0 [ 253.438492] [ 253.466200] 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 [ 253.468775] dump_stack+0x1c4/0x2b4 [ 253.470982] lowmem_reserve[]: 0 [ 253.473138] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.498626] 2817 6321 [ 253.502295] warn_alloc.cold.118+0xb7/0x1bd [ 253.505547] 6321 [ 253.510751] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.517543] ? lock_downgrade+0x900/0x900 [ 253.519580] Node 0 [ 253.524423] ? trace_hardirqs_off+0xb8/0x300 [ 253.528566] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 253.530777] ? trace_hardirqs_off+0xb8/0x300 [ 253.535158] lowmem_reserve[]: [ 253.562171] __alloc_pages_slowpath+0x2667/0x2d80 [ 253.566559] 0 [ 253.569696] ? warn_alloc+0x120/0x120 [ 253.574493] 0 [ 253.576292] ? trace_hardirqs_on+0x310/0x310 [ 253.580068] 3503 [ 253.581866] ? warn_alloc+0x120/0x120 [ 253.586313] 3503 [ 253.588384] ? print_usage_bug+0xc0/0xc0 [ 253.592165] Node 0 [ 253.594227] ? warn_alloc+0x120/0x120 [ 253.598306] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 253.600517] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 253.604286] lowmem_reserve[]: 0 [ 253.632510] ? print_usage_bug+0xc0/0xc0 [ 253.637523] 0 [ 253.640803] ? __lock_acquire+0x7ec/0x4ec0 [ 253.644838] 0 [ 253.646664] ? __lock_acquire+0x7ec/0x4ec0 [ 253.650902] 0 [ 253.652714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.658725] ? should_fail+0x22d/0xd01 [ 253.664240] Node 0 DMA: [ 253.668139] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.668156] ? __lock_acquire+0x7ec/0x4ec0 [ 253.670813] 1*4kB [ 253.675919] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.680125] (U) 0*8kB [ 253.682290] ? __lock_acquire+0x7ec/0x4ec0 [ 253.687374] 0*16kB [ 253.689878] ? should_fail+0x22d/0xd01 [ 253.694086] 1*32kB (U) [ 253.696352] ? print_usage_bug+0xc0/0xc0 [ 253.700214] 2*64kB (U) [ 253.702822] ? mark_held_locks+0x130/0x130 [ 253.706856] 1*128kB [ 253.709534] ? mark_held_locks+0x130/0x130 [ 253.713746] (U) [ 253.716079] ? graph_lock+0x170/0x170 [ 253.720284] 1*256kB [ 253.722256] ? print_usage_bug+0xc0/0xc0 [ 253.726034] (U) [ 253.728356] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.732398] 0*512kB 1*1024kB [ 253.734384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.739116] (U) [ 253.742220] ? check_preemption_disabled+0x48/0x200 [ 253.747733] 1*2048kB (M) [ 253.749718] ? check_preemption_disabled+0x48/0x200 [ 253.754704] 3*4096kB (M) [ 253.757477] ? __lock_is_held+0xb5/0x140 [ 253.762462] = 15908kB [ 253.765216] __alloc_pages_nodemask+0xa80/0xde0 [ 253.769252] Node 0 [ 253.771657] ? graph_lock+0x170/0x170 [ 253.776296] DMA32: 3*4kB [ 253.778552] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 253.782331] (UM) [ 253.785085] ? graph_lock+0x170/0x170 [ 253.790074] 2*8kB (M) [ 253.792148] ? find_held_lock+0x36/0x1c0 [ 253.795913] 3*16kB (UM) [ 253.798420] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.802454] 3*32kB [ 253.805116] ? lock_downgrade+0x900/0x900 [ 253.810216] (M) 3*64kB [ 253.812466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.816586] (UM) [ 253.819172] cache_grow_begin+0x91/0x8c0 [ 253.824682] 4*128kB [ 253.826744] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.830780] (UM) 3*256kB [ 253.833117] fallback_alloc+0x203/0x2e0 [ 253.837496] (M) 4*512kB [ 253.840267] ____cache_alloc_node+0x1c7/0x1e0 [ 253.844240] (M) [ 253.846913] kmem_cache_alloc_node+0xe3/0x730 [ 253.851379] 3*1024kB (UM) [ 253.853371] ? ipv6_get_ifaddr+0x42e/0x620 [ 253.857846] 1*2048kB [ 253.860692] __alloc_skb+0x119/0x770 [ 253.864889] (M) 4*4096kB [ 253.867307] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.870996] (M) [ 253.873753] ? skb_scrub_packet+0x490/0x490 [ 253.879006] = 25196kB [ 253.880979] ? lock_downgrade+0x900/0x900 [ 253.885278] Node 0 [ 253.887705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.891817] Normal: 852*4kB [ 253.894150] ? refcount_sub_and_test_checked+0x203/0x310 [ 253.899674] (UMEH) [ 253.902687] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 253.908571] 324*8kB [ 253.910808] ? addrconf_rs_timer+0x6f0/0x6f0 [ 253.916236] (UMEH) [ 253.918574] ndisc_alloc_skb+0x144/0x340 [ 253.922971] 169*16kB [ 253.925203] ndisc_send_rs+0x331/0x6e0 [ 253.929237] (UMEH) [ 253.931669] addrconf_rs_timer+0x3c0/0x6f0 [ 253.935508] 81*32kB (UMEH) [ 253.937766] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.941966] 31*64kB (UMH) [ 253.944917] call_timer_fn+0x272/0x920 [ 253.949113] 3*128kB (H) [ 253.951962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.955823] 1*256kB (H) [ 253.958510] ? process_timeout+0x40/0x40 [ 253.962734] 0*512kB 0*1024kB [ 253.965414] ? find_held_lock+0x36/0x1c0 [ 253.969452] 0*2048kB [ 253.972570] ? __run_timers+0x7da/0xc70 [ 253.976606] 0*4096kB = 13920kB [ 253.979028] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.982984] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 253.986163] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.990651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 253.999499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.003987] 414 total pagecache pages [ 254.012666] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 254.016889] 0 pages in swap cache [ 254.020685] ? trace_hardirqs_on+0xbd/0x310 [ 254.025250] Swap cache stats: add 0, delete 0, find 0/0 [ 254.028697] ? kasan_check_read+0x11/0x20 [ 254.032993] Free swap = 0kB [ 254.038352] ? __run_timers+0x7da/0xc70 [ 254.042474] Total swap = 0kB [ 254.042483] 1965979 pages RAM [ 254.045501] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.049464] 0 pages HighMem/MovableOnly [ 254.052492] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.055566] 342744 pages reserved [ 254.055575] 0 pages cma reserved [ 254.061021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.065314] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.069205] __run_timers+0x7e5/0xc70 [ 254.072649] syz-fuzzer cpuset= [ 254.076036] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.080241] / [ 254.090471] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.094248] mems_allowed=0 [ 254.097430] ? graph_lock+0x170/0x170 [ 254.116219] ? enqueue_hrtimer+0x1a5/0x560 [ 254.120450] ? lock_release+0x970/0x970 [ 254.124445] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 254.129662] ? find_held_lock+0x36/0x1c0 [ 254.133728] ? graph_lock+0x170/0x170 [ 254.137528] ? pvclock_read_flags+0x160/0x160 [ 254.142026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.147565] ? check_preemption_disabled+0x48/0x200 [ 254.152593] ? __lock_is_held+0xb5/0x140 [ 254.156657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.162200] ? check_preemption_disabled+0x48/0x200 [ 254.167227] run_timer_softirq+0x52/0xb0 [ 254.171296] ? rcu_read_lock_sched_held+0x108/0x120 [ 254.176336] __do_softirq+0x30b/0xad8 [ 254.180150] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 254.185262] ? pvclock_read_flags+0x160/0x160 [ 254.189761] ? lapic_next_event+0x5a/0x90 [ 254.193911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.199449] ? check_preemption_disabled+0x48/0x200 [ 254.204467] ? check_preemption_disabled+0x48/0x200 [ 254.209495] ? kvm_clock_read+0x18/0x30 [ 254.213473] ? kvm_sched_clock_read+0x9/0x20 [ 254.217902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.223439] ? check_preemption_disabled+0x48/0x200 [ 254.228468] irq_exit+0x17f/0x1c0 [ 254.231928] smp_apic_timer_interrupt+0x1cb/0x760 [ 254.236770] ? smp_reschedule_interrupt+0x109/0x650 [ 254.241788] ? smp_call_function_single_interrupt+0x650/0x650 [ 254.247672] ? interrupt_entry+0xb5/0xf0 [ 254.251734] ? trace_hardirqs_off_caller+0xbb/0x300 [ 254.256753] ? trace_hardirqs_off_caller+0xbb/0x300 [ 254.261775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.266641] ? trace_hardirqs_off+0x300/0x300 [ 254.271136] ? trace_hardirqs_off+0x300/0x300 [ 254.275633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.281174] ? check_preemption_disabled+0x48/0x200 [ 254.286186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.291729] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.296582] apic_timer_interrupt+0xf/0x20 [ 254.300811] [ 254.303050] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 254.308116] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 254.327021] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 254.334734] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 254.342005] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 254.349286] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 254.356548] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 254.363820] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 254.371130] skb_clone+0x1bb/0x500 [ 254.374675] ? finish_task_switch+0x2f5/0x900 [ 254.379174] ? skb_split+0x11e0/0x11e0 [ 254.383062] ? preempt_notifier_register+0x200/0x200 [ 254.388162] ? __switch_to_asm+0x34/0x70 [ 254.392220] ? __switch_to_asm+0x34/0x70 [ 254.396279] ? __switch_to_asm+0x40/0x70 [ 254.400341] ? __switch_to_asm+0x34/0x70 [ 254.404399] ? __switch_to_asm+0x40/0x70 [ 254.408578] ? __switch_to_asm+0x34/0x70 [ 254.412642] ? __switch_to_asm+0x40/0x70 [ 254.416701] ? __switch_to_asm+0x34/0x70 [ 254.420765] ? __switch_to_asm+0x34/0x70 [ 254.424827] ? __switch_to_asm+0x40/0x70 [ 254.428894] ? __switch_to_asm+0x34/0x70 [ 254.432978] bpf_clone_redirect+0xb9/0x490 [ 254.437216] ? __schedule+0x874/0x1ed0 [ 254.441107] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 254.446130] ? __sched_text_start+0x8/0x8 [ 254.450279] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 254.455050] ? find_held_lock+0x36/0x1c0 [ 254.459123] ? lock_acquire+0x1ed/0x520 [ 254.463099] ? bpf_test_run+0x32e/0x5a0 [ 254.467075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.472615] ? check_preemption_disabled+0x48/0x200 [ 254.477644] ? kasan_check_read+0x11/0x20 [ 254.481796] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.487075] ? rcu_bh_qs+0xc0/0xc0 [ 254.490614] ? preempt_schedule+0x4d/0x60 [ 254.494775] ? ___preempt_schedule+0x16/0x18 [ 254.499216] ? bpf_test_run+0x1c0/0x5a0 [ 254.503223] ? netlink_diag_dump+0x2a0/0x2a0 [ 254.507868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.513413] ? bpf_test_init.isra.9+0x70/0x100 [ 254.518011] ? bpf_prog_test_run_skb+0x634/0xb40 [ 254.522775] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 254.527619] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 254.533155] ? fput+0x130/0x1a0 [ 254.536464] ? __bpf_prog_get+0x9b/0x290 [ 254.540526] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 254.545372] ? bpf_prog_test_run+0x130/0x1a0 [ 254.549793] ? __x64_sys_bpf+0x3d8/0x510 [ 254.553854] ? bpf_prog_get+0x20/0x20 [ 254.557669] ? ksys_ioctl+0x81/0xd0 [ 254.561310] ? do_syscall_64+0x1b9/0x820 [ 254.565371] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 254.570741] ? syscall_return_slowpath+0x5e0/0x5e0 [ 254.575673] ? trace_hardirqs_off+0x300/0x300 [ 254.580183] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 254.585198] ? recalc_sigpending_tsk+0x180/0x180 [ 254.589960] ? kasan_check_write+0x14/0x20 [ 254.594202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.599054] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 254.604441] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 254.604512] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.611878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.611884] Call Trace: [ 254.611891] [ 254.611906] dump_stack+0x1c4/0x2b4 [ 254.611921] ? dump_stack_print_info.cold.2+0x52/0x52 [ 254.611960] warn_alloc.cold.118+0xb7/0x1bd [ 254.618483] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.627776] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.630339] syz-executor7 cpuset= [ 254.632485] ? lock_downgrade+0x900/0x900 [ 254.636088] syz7 [ 254.641275] ? trace_hardirqs_off+0xb8/0x300 [ 254.645576] mems_allowed=0 [ 254.656067] ? trace_hardirqs_off+0xb8/0x300 [ 254.682123] __alloc_pages_slowpath+0x2667/0x2d80 [ 254.687009] ? warn_alloc+0x120/0x120 [ 254.690816] ? warn_alloc+0x120/0x120 [ 254.694626] ? print_usage_bug+0xc0/0xc0 [ 254.698718] ? warn_alloc+0x120/0x120 [ 254.702522] ? print_usage_bug+0xc0/0xc0 [ 254.706590] ? __lock_acquire+0x7ec/0x4ec0 [ 254.711360] ? __lock_acquire+0x7ec/0x4ec0 [ 254.715625] ? ip6t_do_table+0xd9e/0x1d30 [ 254.719778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.725317] ? should_fail+0x22d/0xd01 [ 254.729210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.734318] ? __lock_acquire+0x7ec/0x4ec0 [ 254.738562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.743674] ? __lock_acquire+0x7ec/0x4ec0 [ 254.747911] ? should_fail+0x22d/0xd01 [ 254.751812] ? mark_held_locks+0x130/0x130 [ 254.756050] ? mark_held_locks+0x130/0x130 [ 254.760290] ? __local_bh_enable_ip+0x160/0x260 [ 254.764961] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 254.769544] ? graph_lock+0x170/0x170 [ 254.773344] ? print_usage_bug+0xc0/0xc0 [ 254.777410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.782948] ? check_preemption_disabled+0x48/0x200 [ 254.787962] ? check_preemption_disabled+0x48/0x200 [ 254.792989] ? __lock_is_held+0xb5/0x140 [ 254.797059] __alloc_pages_nodemask+0xa80/0xde0 [ 254.801728] ? graph_lock+0x170/0x170 [ 254.805536] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 254.811007] ? graph_lock+0x170/0x170 [ 254.814821] ? find_held_lock+0x36/0x1c0 [ 254.818896] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.823571] ? lock_downgrade+0x900/0x900 [ 254.827738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.833285] cache_grow_begin+0x91/0x8c0 [ 254.837351] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.841772] fallback_alloc+0x203/0x2e0 [ 254.845754] ____cache_alloc_node+0x1c7/0x1e0 [ 254.850262] kmem_cache_alloc_node+0xe3/0x730 [ 254.854759] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.859008] __alloc_skb+0x119/0x770 [ 254.862725] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.868011] ? skb_scrub_packet+0x490/0x490 [ 254.872334] ? lock_downgrade+0x900/0x900 [ 254.876494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.882034] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.887495] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.892949] ? addrconf_rs_timer+0x6f0/0x6f0 [ 254.897371] ndisc_alloc_skb+0x144/0x340 [ 254.901463] ndisc_send_rs+0x331/0x6e0 [ 254.905361] addrconf_rs_timer+0x3c0/0x6f0 [ 254.909971] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.914226] call_timer_fn+0x272/0x920 [ 254.918116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.922353] ? process_timeout+0x40/0x40 [ 254.926432] ? find_held_lock+0x36/0x1c0 [ 254.930504] ? mark_held_locks+0xc7/0x130 [ 254.934780] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.939286] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.943780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.948013] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 254.952609] ? trace_hardirqs_on+0xbd/0x310 [ 254.956931] ? kasan_check_read+0x11/0x20 [ 254.961084] ? __run_timers+0x7da/0xc70 [ 254.965060] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.970545] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.974787] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.979033] __run_timers+0x7e5/0xc70 [ 254.982850] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.988221] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.993240] ? graph_lock+0x170/0x170 [ 254.997245] ? print_usage_bug+0xc0/0xc0 [ 255.001306] ? lock_release+0x970/0x970 [ 255.005280] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 255.010760] ? find_held_lock+0x36/0x1c0 [ 255.014829] ? graph_lock+0x170/0x170 [ 255.018642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.024184] ? check_preemption_disabled+0x48/0x200 [ 255.029231] ? __lock_is_held+0xb5/0x140 [ 255.033305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.038853] ? check_preemption_disabled+0x48/0x200 [ 255.043907] run_timer_softirq+0x52/0xb0 [ 255.047970] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.053019] __do_softirq+0x30b/0xad8 [ 255.056833] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 255.061946] ? pvclock_read_flags+0x160/0x160 [ 255.066439] ? lapic_next_event+0x5a/0x90 [ 255.070587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.076133] ? check_preemption_disabled+0x48/0x200 [ 255.081152] ? check_preemption_disabled+0x48/0x200 [ 255.086176] ? kvm_clock_read+0x18/0x30 [ 255.090154] ? kvm_sched_clock_read+0x9/0x20 [ 255.094564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.100106] ? check_preemption_disabled+0x48/0x200 [ 255.105658] irq_exit+0x17f/0x1c0 [ 255.109621] smp_apic_timer_interrupt+0x1cb/0x760 [ 255.114462] ? smp_reschedule_interrupt+0x109/0x650 [ 255.119493] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.125377] ? interrupt_entry+0xb5/0xf0 [ 255.129447] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.134483] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.139505] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.144347] ? trace_hardirqs_off+0x300/0x300 [ 255.148839] ? trace_hardirqs_off+0x300/0x300 [ 255.153336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.158887] ? check_preemption_disabled+0x48/0x200 [ 255.163915] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.168769] apic_timer_interrupt+0xf/0x20 [ 255.173000] [ 255.175238] RIP: 0010:console_unlock+0x1017/0x11a0 [ 255.180168] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 255.199093] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 255.206801] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 255.214390] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 255.221662] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 255.228930] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 255.236194] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 255.243470] ? netconsole_netdev_event+0x280/0x280 [ 255.248421] ? console_unlock+0x100e/0x11a0 [ 255.252761] ? devkmsg_read+0xbb0/0xbb0 [ 255.256734] ? vprintk_emit+0x7f7/0x930 [ 255.260714] ? lock_release+0x970/0x970 [ 255.264687] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.270138] ? vprintk_default+0x28/0x30 [ 255.274205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.279663] ? kasan_check_write+0x14/0x20 [ 255.283905] ? do_raw_spin_lock+0xc1/0x200 [ 255.288152] vprintk_emit+0x33d/0x930 [ 255.291963] ? wake_up_klogd+0x180/0x180 [ 255.296034] ? find_held_lock+0x36/0x1c0 [ 255.300109] ? mark_held_locks+0xc7/0x130 [ 255.304264] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.308883] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.313405] vprintk_default+0x28/0x30 [ 255.317304] vprintk_func+0x7e/0x181 [ 255.321034] printk+0xa7/0xcf [ 255.324144] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 255.328906] ? _raw_spin_unlock_irq+0x60/0x80 [ 255.333418] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 255.338704] dump_header+0x7cc/0xf72 [ 255.342429] ? pagefault_out_of_memory+0x197/0x197 [ 255.347369] ? __lock_acquire+0x7ec/0x4ec0 [ 255.351630] ? print_usage_bug+0xc0/0xc0 [ 255.355698] ? graph_lock+0x170/0x170 [ 255.359496] ? graph_lock+0x170/0x170 [ 255.363301] ? print_usage_bug+0xc0/0xc0 [ 255.367364] ? print_usage_bug+0xc0/0xc0 [ 255.371431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.376977] ? find_held_lock+0x36/0x1c0 [ 255.381044] ? mark_held_locks+0xc7/0x130 [ 255.385217] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 255.390319] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 255.395438] ? lockdep_hardirqs_on+0x421/0x5c0 [ 255.400019] ? trace_hardirqs_on+0xbd/0x310 [ 255.404343] ? kasan_check_read+0x11/0x20 [ 255.408690] ? ___ratelimit+0x36f/0x655 [ 255.412668] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.418118] ? trace_hardirqs_on+0x310/0x310 [ 255.422528] ? lock_downgrade+0x900/0x900 [ 255.426684] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 255.431791] ? ___ratelimit+0xaa/0x655 [ 255.435683] ? idr_get_free+0xec0/0xec0 [ 255.439670] ? kasan_check_write+0x14/0x20 [ 255.443908] ? do_raw_spin_lock+0xc1/0x200 [ 255.448150] oom_kill_process.cold.27+0x10/0x903 [ 255.452908] ? graph_lock+0x170/0x170 [ 255.456721] ? _raw_spin_unlock+0x2c/0x50 [ 255.460878] ? oom_badness+0xe6/0xaa0 [ 255.464695] ? oom_evaluate_task+0x540/0x540 [ 255.469111] ? find_held_lock+0x36/0x1c0 [ 255.473181] ? out_of_memory+0x974/0x14c0 [ 255.477360] ? lock_downgrade+0x900/0x900 [ 255.481515] ? check_preemption_disabled+0x48/0x200 [ 255.486540] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 255.492335] ? kasan_check_read+0x11/0x20 [ 255.496499] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.501780] ? rcu_bh_qs+0xc0/0xc0 [ 255.505337] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 255.511360] ? oom_evaluate_task+0x302/0x540 [ 255.515794] out_of_memory+0xa86/0x14c0 [ 255.519780] ? oom_killer_disable+0x3a0/0x3a0 [ 255.524280] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 255.529212] ? __mutex_add_waiter+0x2a0/0x2a0 [ 255.533717] __alloc_pages_slowpath+0x2318/0x2d80 [ 255.538588] ? warn_alloc+0x120/0x120 [ 255.542401] ? __radix_tree_lookup+0x4c0/0x4c0 [ 255.546994] ? find_get_entry+0x2f2/0xc40 [ 255.551153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.556697] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 255.561675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.567229] ? should_fail+0x22d/0xd01 [ 255.571123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.576224] ? __lock_is_held+0xb5/0x140 [ 255.580313] ? __lock_is_held+0xb5/0x140 [ 255.584402] ? find_held_lock+0x36/0x1c0 [ 255.588477] ? ___might_sleep+0x1ed/0x300 [ 255.592622] ? lock_release+0x970/0x970 [ 255.596605] ? arch_local_save_flags+0x40/0x40 [ 255.601198] ? __might_sleep+0x95/0x190 [ 255.605180] __alloc_pages_nodemask+0xa80/0xde0 [ 255.610335] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.615352] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 255.621155] ? kasan_check_read+0x11/0x20 [ 255.625305] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.630584] ? graph_lock+0x170/0x170 [ 255.634397] ? print_usage_bug+0xc0/0xc0 [ 255.638459] ? graph_lock+0x170/0x170 [ 255.642269] ? graph_lock+0x170/0x170 [ 255.646080] ? __do_page_cache_readahead+0x7ce/0x980 [ 255.651189] ? find_held_lock+0x36/0x1c0 [ 255.655254] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 255.660810] alloc_pages_current+0x10c/0x210 [ 255.665215] ? lock_downgrade+0x900/0x900 [ 255.669366] __page_cache_alloc+0x38f/0x5b0 [ 255.673698] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 255.679495] ? kasan_check_read+0x11/0x20 [ 255.683646] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.688925] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 255.693605] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.699144] ? check_preemption_disabled+0x48/0x200 [ 255.704172] filemap_fault+0x1594/0x25f0 [ 255.708757] ? __lock_page_or_retry+0xa00/0xa00 [ 255.713430] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 255.719259] ? kasan_check_read+0x11/0x20 [ 255.723411] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.728687] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 255.733791] ? rcu_bh_qs+0xc0/0xc0 [ 255.737332] ? trace_hardirqs_on+0xbd/0x310 [ 255.741652] ? kasan_check_read+0x11/0x20 [ 255.745796] ? __free_object+0x173/0x340 [ 255.749864] ? filemap_map_pages+0xdea/0x1980 [ 255.754370] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 255.759475] ? __free_object+0x173/0x340 [ 255.763539] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 255.768812] ? debug_object_free+0x325/0x690 [ 255.773223] ? find_get_pages_range_tag+0x1320/0x1320 [ 255.778422] ? graph_lock+0x170/0x170 [ 255.782231] ? kasan_check_read+0x11/0x20 [ 255.786379] ? debug_object_destroy+0x2b0/0x2b0 [ 255.791069] ? lock_acquire+0x1ed/0x520 [ 255.795046] ? ext4_filemap_fault+0x7a/0xad [ 255.799393] ? lock_release+0x970/0x970 [ 255.803369] ? arch_local_save_flags+0x40/0x40 [ 255.808240] ? futex_wait_setup+0x3e0/0x3e0 [ 255.812572] ? down_read+0xb0/0x1d0 [ 255.816207] ? ext4_filemap_fault+0x7a/0xad [ 255.820527] ? __down_interruptible+0x700/0x700 [ 255.825214] ext4_filemap_fault+0x82/0xad [ 255.829363] __do_fault+0x100/0x6b0 [ 255.832999] ? print_bad_pte+0x6c0/0x6c0 [ 255.837062] ? do_futex+0x249/0x26d0 [ 255.840775] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.846227] ? kasan_check_read+0x11/0x20 [ 255.850371] ? pmd_val+0x88/0x100 [ 255.853827] ? add_mm_counter_fast+0xd0/0xd0 [ 255.858234] ? pmd_val+0x88/0x100 [ 255.861689] ? add_mm_counter_fast+0xd0/0xd0 [ 255.866101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.871645] __handle_mm_fault+0x3709/0x53e0 [ 255.876070] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 255.880925] ? graph_lock+0x170/0x170 [ 255.884740] ? print_usage_bug+0xc0/0xc0 [ 255.888798] ? lockdep_hardirqs_on+0x421/0x5c0 [ 255.893379] ? graph_lock+0x170/0x170 [ 255.897204] ? graph_lock+0x170/0x170 [ 255.901025] ? handle_mm_fault+0x42a/0xc70 [ 255.905259] ? lock_downgrade+0x900/0x900 [ 255.909880] ? check_preemption_disabled+0x48/0x200 [ 255.914903] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 255.920703] ? kasan_check_read+0x11/0x20 [ 255.924852] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.930133] ? rcu_bh_qs+0xc0/0xc0 [ 255.933674] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.939131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.944671] ? check_preemption_disabled+0x48/0x200 [ 255.949707] handle_mm_fault+0x54f/0xc70 [ 255.953779] ? __handle_mm_fault+0x53e0/0x53e0 [ 255.958367] ? find_vma+0x34/0x190 [ 255.961919] __do_page_fault+0x67d/0xed0 [ 255.965991] ? mm_fault_error+0x380/0x380 [ 255.970139] ? trace_hardirqs_off+0xb8/0x300 [ 255.974551] ? trace_hardirqs_on+0x310/0x310 [ 255.978982] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 255.984364] ? trace_hardirqs_on+0x310/0x310 [ 255.988790] do_page_fault+0xf2/0x7e0 [ 255.992604] ? vmalloc_sync_all+0x30/0x30 [ 255.996754] ? error_entry+0x70/0xd0 [ 256.000468] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.005486] ? trace_hardirqs_on_caller+0xc0/0x300 [ 256.010939] ? syscall_return_slowpath+0x5e0/0x5e0 [ 256.015872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.020729] ? trace_hardirqs_off+0x300/0x300 [ 256.025226] ? trace_hardirqs_off_caller+0x300/0x300 [ 256.030338] ? prepare_exit_to_usermode+0x291/0x3b0 [ 256.035359] ? page_fault+0x8/0x30 [ 256.038909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.043756] ? page_fault+0x8/0x30 [ 256.047300] page_fault+0x1e/0x30 [ 256.050749] RIP: 0033:0x45ddf3 [ 256.053943] Code: Bad RIP value. [ 256.057301] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 256.062666] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 256.069936] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 256.077205] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 256.084471] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 256.091740] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 256.099034] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 256.099040] warn_alloc_show_mem: 1 callbacks suppressed [ 256.099048] Mem-Info: [ 256.106253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.112073] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 256.112073] active_file:16 inactive_file:19 isolated_file:0 [ 256.112073] unevictable:0 dirty:0 writeback:0 unstable:0 [ 256.112073] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 256.112073] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 256.112073] free:13708 free_pcp:124 free_cma:0 [ 256.114476] Call Trace: [ 256.123921] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 256.156776] [ 256.159349] Node 0 [ 256.187022] dump_stack+0x1c4/0x2b4 [ 256.189178] 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 [ 256.191388] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.194999] lowmem_reserve[]: [ 256.220512] warn_alloc.cold.118+0xb7/0x1bd [ 256.225669] 0 [ 256.228776] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.233075] 2817 [ 256.234875] ? lock_downgrade+0x900/0x900 [ 256.239692] 6321 [ 256.241755] ? trace_hardirqs_off+0xb8/0x300 [ 256.245869] 6321 [ 256.247948] ? trace_hardirqs_off+0xb8/0x300 [ 256.252333] Node 0 [ 256.254395] __alloc_pages_slowpath+0x2667/0x2d80 [ 256.258806] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 256.261041] ? warn_alloc+0x120/0x120 [ 256.265834] lowmem_reserve[]: 0 [ 256.292841] ? warn_alloc+0x120/0x120 [ 256.296634] 0 [ 256.299944] ? print_usage_bug+0xc0/0xc0 [ 256.303729] 3503 [ 256.305543] ? warn_alloc+0x120/0x120 [ 256.310033] 3503 [ 256.312106] ? print_usage_bug+0xc0/0xc0 [ 256.315884] Node 0 [ 256.317992] ? __lock_acquire+0x7ec/0x4ec0 [ 256.322058] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 256.324265] ? __lock_acquire+0x7ec/0x4ec0 [ 256.328473] lowmem_reserve[]: 0 [ 256.356687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.360910] 0 [ 256.364189] ? should_fail+0x22d/0xd01 [ 256.369704] 0 [ 256.371504] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.375364] 0 [ 256.377162] ? __lock_acquire+0x7ec/0x4ec0 [ 256.384044] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.388255] Node 0 [ 256.393351] ? __lock_acquire+0x7ec/0x4ec0 [ 256.393362] DMA: [ 256.395593] ? should_fail+0x22d/0xd01 [ 256.399813] 1*4kB [ 256.401876] ? mark_held_locks+0x130/0x130 [ 256.405734] (U) [ 256.407891] ? mark_held_locks+0x130/0x130 [ 256.412099] 0*8kB [ 256.414070] ? graph_lock+0x170/0x170 [ 256.418281] 0*16kB 1*32kB [ 256.420440] ? graph_lock+0x170/0x170 [ 256.424220] (U) [ 256.427058] ? graph_lock+0x170/0x170 [ 256.430833] 2*64kB (U) [ 256.432815] ? print_usage_bug+0xc0/0xc0 [ 256.436626] 1*128kB (U) [ 256.439232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.443261] 1*256kB (U) [ 256.445942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.451455] 0*512kB [ 256.454129] ? check_preemption_disabled+0x48/0x200 [ 256.459638] 1*1024kB (U) [ 256.461973] ? check_preemption_disabled+0x48/0x200 [ 256.466958] 1*2048kB (M) [ 256.469734] ? __lock_is_held+0xb5/0x140 [ 256.474712] 3*4096kB (M) [ 256.477482] __alloc_pages_nodemask+0xa80/0xde0 [ 256.481515] = 15908kB [ 256.481524] Node 0 [ 256.484284] ? graph_lock+0x170/0x170 [ 256.488922] DMA32: 3*4kB [ 256.491342] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 256.493556] (UM) [ 256.497355] ? graph_lock+0x170/0x170 [ 256.500084] 2*8kB (M) [ 256.505115] ? find_held_lock+0x36/0x1c0 [ 256.507434] 3*16kB [ 256.511243] ? ____cache_alloc_node+0x1c7/0x1e0 [ 256.513707] (UM) [ 256.517792] ? lock_downgrade+0x900/0x900 [ 256.520010] 3*32kB [ 256.524690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.526721] (M) 3*64kB [ 256.530880] cache_grow_begin+0x91/0x8c0 [ 256.533095] (UM) [ 256.538629] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.541182] 4*128kB (UM) [ 256.545261] fallback_alloc+0x203/0x2e0 [ 256.547297] 3*256kB (M) [ 256.551750] ____cache_alloc_node+0x1c7/0x1e0 [ 256.554483] 4*512kB [ 256.558470] kmem_cache_alloc_node+0xe3/0x730 [ 256.561116] (M) [ 256.565619] ? ipv6_get_ifaddr+0x42e/0x620 [ 256.567923] 3*1024kB [ 256.572418] __alloc_skb+0x119/0x770 [ 256.574364] (UM) [ 256.578605] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.581006] 1*2048kB (M) [ 256.584749] ? skb_scrub_packet+0x490/0x490 [ 256.586787] 4*4096kB [ 256.592075] ? lock_downgrade+0x900/0x900 [ 256.594809] (M) [ 256.599131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.601511] = 25196kB [ 256.605652] ? refcount_sub_and_test_checked+0x203/0x310 [ 256.608054] Node 0 [ 256.613592] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 256.615988] Normal: [ 256.621463] ? addrconf_rs_timer+0x6f0/0x6f0 [ 256.623682] 852*4kB [ 256.629136] ndisc_alloc_skb+0x144/0x340 [ 256.631430] (UMEH) [ 256.635835] ndisc_send_rs+0x331/0x6e0 [ 256.638147] 324*8kB [ 256.642209] addrconf_rs_timer+0x3c0/0x6f0 [ 256.644447] (UMEH) [ 256.648331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.650633] 169*16kB [ 256.654872] call_timer_fn+0x272/0x920 [ 256.657075] (UMEH) [ 256.661319] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.663708] 81*32kB [ 256.667588] ? process_timeout+0x40/0x40 [ 256.669807] (UMEH) [ 256.674037] ? find_held_lock+0x36/0x1c0 [ 256.676341] 31*64kB [ 256.680404] ? __run_timers+0x7da/0xc70 [ 256.682627] (UMH) [ 256.686683] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.688983] 3*128kB [ 256.692948] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.695078] (H) [ 256.699565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.701867] 1*256kB [ 256.706363] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 256.708745] (H) 0*512kB [ 256.712986] ? trace_hardirqs_on+0xbd/0x310 [ 256.715315] 0*1024kB [ 256.719901] ? kasan_check_read+0x11/0x20 [ 256.722542] 0*2048kB [ 256.726860] ? __run_timers+0x7da/0xc70 [ 256.729250] 0*4096kB [ 256.733389] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.735781] = 13920kB [ 256.739750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.742144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 256.747584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.749981] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 256.754220] __run_timers+0x7e5/0xc70 [ 256.763036] 414 total pagecache pages [ 256.767276] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 256.775831] 0 pages in swap cache [ 256.779634] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.783418] Swap cache stats: add 0, delete 0, find 0/0 [ 256.788769] ? graph_lock+0x170/0x170 [ 256.792200] Free swap = 0kB [ 256.797207] ? enqueue_hrtimer+0x1a5/0x560 [ 256.802549] Total swap = 0kB [ 256.806353] ? lock_release+0x970/0x970 [ 256.809868] 1965979 pages RAM [ 256.814100] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 256.817094] 0 pages HighMem/MovableOnly [ 256.817103] 342744 pages reserved [ 256.821073] ? find_held_lock+0x36/0x1c0 [ 256.824153] 0 pages cma reserved [ 256.829350] ? graph_lock+0x170/0x170 [ 256.833365] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.836763] ? pvclock_read_flags+0x160/0x160 [ 256.840998] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.844179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.847955] syz-fuzzer cpuset= [ 256.854442] ? check_preemption_disabled+0x48/0x200 [ 256.858909] / [ 256.869163] ? __lock_is_held+0xb5/0x140 [ 256.874677] mems_allowed=0 [ 256.877862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.897086] ? check_preemption_disabled+0x48/0x200 [ 256.902110] run_timer_softirq+0x52/0xb0 [ 256.906175] ? rcu_read_lock_sched_held+0x108/0x120 [ 256.911211] __do_softirq+0x30b/0xad8 [ 256.915029] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 256.920138] ? pvclock_read_flags+0x160/0x160 [ 256.924630] ? lapic_next_event+0x5a/0x90 [ 256.928780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.934317] ? check_preemption_disabled+0x48/0x200 [ 256.939342] ? check_preemption_disabled+0x48/0x200 [ 256.944369] ? kvm_clock_read+0x18/0x30 [ 256.948345] ? kvm_sched_clock_read+0x9/0x20 [ 256.952774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.958315] ? check_preemption_disabled+0x48/0x200 [ 256.963357] irq_exit+0x17f/0x1c0 [ 256.966814] smp_apic_timer_interrupt+0x1cb/0x760 [ 256.971659] ? smp_reschedule_interrupt+0x109/0x650 [ 256.976680] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.982574] ? interrupt_entry+0xb5/0xf0 [ 256.986652] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.991671] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.997187] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.002044] ? trace_hardirqs_off+0x300/0x300 [ 257.006555] ? trace_hardirqs_off+0x300/0x300 [ 257.011275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.016825] ? check_preemption_disabled+0x48/0x200 [ 257.021845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.027397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.032248] apic_timer_interrupt+0xf/0x20 [ 257.036476] [ 257.038716] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 257.043662] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 257.062560] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 257.070281] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 257.077542] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 257.084802] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 257.092063] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 257.099333] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 257.106797] skb_clone+0x1bb/0x500 [ 257.110343] ? finish_task_switch+0x2f5/0x900 [ 257.114853] ? skb_split+0x11e0/0x11e0 [ 257.118749] ? preempt_notifier_register+0x200/0x200 [ 257.123851] ? __switch_to_asm+0x34/0x70 [ 257.127914] ? __switch_to_asm+0x34/0x70 [ 257.131970] ? __switch_to_asm+0x40/0x70 [ 257.136025] ? __switch_to_asm+0x34/0x70 [ 257.140084] ? __switch_to_asm+0x40/0x70 [ 257.144146] ? __switch_to_asm+0x34/0x70 [ 257.148205] ? __switch_to_asm+0x40/0x70 [ 257.152263] ? __switch_to_asm+0x34/0x70 [ 257.156332] ? __switch_to_asm+0x34/0x70 [ 257.160392] ? __switch_to_asm+0x40/0x70 [ 257.164454] ? __switch_to_asm+0x34/0x70 [ 257.168519] bpf_clone_redirect+0xb9/0x490 [ 257.172752] ? __schedule+0x874/0x1ed0 [ 257.176651] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 257.181670] ? __sched_text_start+0x8/0x8 [ 257.185815] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.190581] ? find_held_lock+0x36/0x1c0 [ 257.194649] ? lock_acquire+0x1ed/0x520 [ 257.198620] ? bpf_test_run+0x32e/0x5a0 [ 257.202591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.208348] ? check_preemption_disabled+0x48/0x200 [ 257.213385] ? kasan_check_read+0x11/0x20 [ 257.217538] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.222819] ? rcu_bh_qs+0xc0/0xc0 [ 257.226364] ? preempt_schedule+0x4d/0x60 [ 257.230514] ? ___preempt_schedule+0x16/0x18 [ 257.234927] ? bpf_test_run+0x1c0/0x5a0 [ 257.238917] ? netlink_diag_dump+0x2a0/0x2a0 [ 257.243329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.248864] ? bpf_test_init.isra.9+0x70/0x100 [ 257.253452] ? bpf_prog_test_run_skb+0x634/0xb40 [ 257.258217] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 257.263062] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.268594] ? fput+0x130/0x1a0 [ 257.271874] ? __bpf_prog_get+0x9b/0x290 [ 257.275952] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 257.280791] ? bpf_prog_test_run+0x130/0x1a0 [ 257.285200] ? __x64_sys_bpf+0x3d8/0x510 [ 257.289271] ? bpf_prog_get+0x20/0x20 [ 257.293093] ? ksys_ioctl+0x81/0xd0 [ 257.296735] ? do_syscall_64+0x1b9/0x820 [ 257.300795] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 257.306161] ? syscall_return_slowpath+0x5e0/0x5e0 [ 257.311288] ? trace_hardirqs_off+0x300/0x300 [ 257.315787] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 257.320806] ? recalc_sigpending_tsk+0x180/0x180 [ 257.325566] ? kasan_check_write+0x14/0x20 [ 257.329813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.334673] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 257.340072] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 257.340140] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 257.347003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.347012] Call Trace: [ 257.353819] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 257.362851] [ 257.365423] syz-executor7 cpuset= [ 257.375905] dump_stack+0x1c4/0x2b4 [ 257.378031] syz7 [ 257.381480] ? dump_stack_print_info.cold.2+0x52/0x52 [ 257.385098] mems_allowed=0 [ 257.387076] warn_alloc.cold.118+0xb7/0x1bd [ 257.399478] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.404323] ? lock_downgrade+0x900/0x900 [ 257.409011] ? trace_hardirqs_off+0xb8/0x300 [ 257.413430] ? trace_hardirqs_off+0xb8/0x300 [ 257.417852] __alloc_pages_slowpath+0x2667/0x2d80 [ 257.422723] ? warn_alloc+0x120/0x120 [ 257.426550] ? warn_alloc+0x120/0x120 [ 257.430352] ? print_usage_bug+0xc0/0xc0 [ 257.434416] ? warn_alloc+0x120/0x120 [ 257.438218] ? print_usage_bug+0xc0/0xc0 [ 257.442282] ? graph_lock+0x170/0x170 [ 257.446082] ? kvm_sched_clock_read+0x9/0x20 [ 257.450528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.456068] ? should_fail+0x22d/0xd01 [ 257.459962] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.465065] ? __lock_acquire+0x7ec/0x4ec0 [ 257.469308] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.474412] ? __lock_acquire+0x7ec/0x4ec0 [ 257.478651] ? should_fail+0x22d/0xd01 [ 257.482548] ? mark_held_locks+0x130/0x130 [ 257.486789] ? mark_held_locks+0x130/0x130 [ 257.491032] ? try_to_wake_up+0x10a/0x12f0 [ 257.495269] ? graph_lock+0x170/0x170 [ 257.499072] ? print_usage_bug+0xc0/0xc0 [ 257.503136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.509183] ? check_preemption_disabled+0x48/0x200 [ 257.514205] ? check_preemption_disabled+0x48/0x200 [ 257.519239] ? __lock_is_held+0xb5/0x140 [ 257.523318] __alloc_pages_nodemask+0xa80/0xde0 [ 257.527986] ? graph_lock+0x170/0x170 [ 257.531801] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.536817] ? graph_lock+0x170/0x170 [ 257.540635] ? find_held_lock+0x36/0x1c0 [ 257.544707] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.549379] ? lock_downgrade+0x900/0x900 [ 257.553547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.559091] cache_grow_begin+0x91/0x8c0 [ 257.563154] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.567569] fallback_alloc+0x203/0x2e0 [ 257.571568] ____cache_alloc_node+0x1c7/0x1e0 [ 257.576082] kmem_cache_alloc_node+0xe3/0x730 [ 257.580583] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.584833] __alloc_skb+0x119/0x770 [ 257.588561] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.593846] ? skb_scrub_packet+0x490/0x490 [ 257.598165] ? lock_downgrade+0x900/0x900 [ 257.602321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.608325] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.613781] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.619231] ? addrconf_rs_timer+0x6f0/0x6f0 [ 257.623658] ndisc_alloc_skb+0x144/0x340 [ 257.627731] ndisc_send_rs+0x331/0x6e0 [ 257.631634] addrconf_rs_timer+0x3c0/0x6f0 [ 257.635887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.640140] call_timer_fn+0x272/0x920 [ 257.644028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.648264] ? process_timeout+0x40/0x40 [ 257.652326] ? find_held_lock+0x36/0x1c0 [ 257.656402] ? mark_held_locks+0xc7/0x130 [ 257.660551] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.665045] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.669558] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.673793] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 257.678380] ? trace_hardirqs_on+0xbd/0x310 [ 257.682710] ? kasan_check_read+0x11/0x20 [ 257.686859] ? __run_timers+0x7da/0xc70 [ 257.690836] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.696297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.700534] __run_timers+0x7e5/0xc70 [ 257.704348] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 257.710004] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 257.715025] ? graph_lock+0x170/0x170 [ 257.718832] ? print_usage_bug+0xc0/0xc0 [ 257.722891] ? lock_release+0x970/0x970 [ 257.726873] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 257.732072] ? find_held_lock+0x36/0x1c0 [ 257.736138] ? graph_lock+0x170/0x170 [ 257.739943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.745481] ? check_preemption_disabled+0x48/0x200 [ 257.750518] ? __lock_is_held+0xb5/0x140 [ 257.754580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.760123] ? check_preemption_disabled+0x48/0x200 [ 257.765151] run_timer_softirq+0x52/0xb0 [ 257.769212] ? rcu_read_lock_sched_held+0x108/0x120 [ 257.774233] __do_softirq+0x30b/0xad8 [ 257.778073] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 257.783188] ? pvclock_read_flags+0x160/0x160 [ 257.787681] ? lapic_next_event+0x5a/0x90 [ 257.791832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.797368] ? check_preemption_disabled+0x48/0x200 [ 257.802395] ? check_preemption_disabled+0x48/0x200 [ 257.807633] ? kvm_clock_read+0x18/0x30 [ 257.811630] ? kvm_sched_clock_read+0x9/0x20 [ 257.816056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.821601] ? check_preemption_disabled+0x48/0x200 [ 257.826651] irq_exit+0x17f/0x1c0 [ 257.830108] smp_apic_timer_interrupt+0x1cb/0x760 [ 257.834977] ? smp_reschedule_interrupt+0x109/0x650 [ 257.839996] ? smp_call_function_single_interrupt+0x650/0x650 [ 257.845905] ? interrupt_entry+0xb5/0xf0 [ 257.849968] ? trace_hardirqs_off_caller+0xbb/0x300 [ 257.854983] ? trace_hardirqs_off_caller+0xbb/0x300 [ 257.860001] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.864853] ? trace_hardirqs_off+0x300/0x300 [ 257.869358] ? trace_hardirqs_off+0x300/0x300 [ 257.873852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.879399] ? check_preemption_disabled+0x48/0x200 [ 257.884425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.889276] apic_timer_interrupt+0xf/0x20 [ 257.893502] [ 257.895757] RIP: 0010:console_unlock+0x1017/0x11a0 [ 257.900697] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 257.920138] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 257.927845] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 257.935111] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 257.942410] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 257.949679] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 257.956949] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 257.964255] ? netconsole_netdev_event+0x280/0x280 [ 257.969198] ? console_unlock+0x100e/0x11a0 [ 257.973538] ? devkmsg_read+0xbb0/0xbb0 [ 257.977521] ? vprintk_emit+0x7f7/0x930 [ 257.981509] ? lock_release+0x970/0x970 [ 257.985500] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.990949] ? vprintk_default+0x28/0x30 [ 257.995011] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.000463] ? kasan_check_write+0x14/0x20 [ 258.004712] ? do_raw_spin_lock+0xc1/0x200 [ 258.009378] vprintk_emit+0x33d/0x930 [ 258.013200] ? wake_up_klogd+0x180/0x180 [ 258.017266] ? find_held_lock+0x36/0x1c0 [ 258.021390] ? mark_held_locks+0xc7/0x130 [ 258.025553] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.030045] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.034569] vprintk_default+0x28/0x30 [ 258.038461] vprintk_func+0x7e/0x181 [ 258.042178] printk+0xa7/0xcf [ 258.045286] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 258.050083] ? _raw_spin_unlock_irq+0x60/0x80 [ 258.054622] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 258.059923] dump_header+0x7cc/0xf72 [ 258.063661] ? pagefault_out_of_memory+0x197/0x197 [ 258.068604] ? __lock_acquire+0x7ec/0x4ec0 [ 258.072845] ? print_usage_bug+0xc0/0xc0 [ 258.076925] ? graph_lock+0x170/0x170 [ 258.080738] ? graph_lock+0x170/0x170 [ 258.084541] ? print_usage_bug+0xc0/0xc0 [ 258.088612] ? print_usage_bug+0xc0/0xc0 [ 258.092686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.098237] ? find_held_lock+0x36/0x1c0 [ 258.102320] ? mark_held_locks+0xc7/0x130 [ 258.106469] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 258.112068] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 258.117182] ? lockdep_hardirqs_on+0x421/0x5c0 [ 258.121765] ? trace_hardirqs_on+0xbd/0x310 [ 258.126142] ? kasan_check_read+0x11/0x20 [ 258.130293] ? ___ratelimit+0x36f/0x655 [ 258.134276] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.139733] ? trace_hardirqs_on+0x310/0x310 [ 258.144149] ? lock_downgrade+0x900/0x900 [ 258.148305] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.153421] ? ___ratelimit+0xaa/0x655 [ 258.157320] ? idr_get_free+0xec0/0xec0 [ 258.161309] ? kasan_check_write+0x14/0x20 [ 258.165553] ? do_raw_spin_lock+0xc1/0x200 [ 258.169812] oom_kill_process.cold.27+0x10/0x903 [ 258.174581] ? graph_lock+0x170/0x170 [ 258.178397] ? _raw_spin_unlock+0x2c/0x50 [ 258.182545] ? oom_badness+0xe6/0xaa0 [ 258.186353] ? oom_evaluate_task+0x540/0x540 [ 258.190776] ? find_held_lock+0x36/0x1c0 [ 258.194844] ? out_of_memory+0x974/0x14c0 [ 258.198999] ? lock_downgrade+0x900/0x900 [ 258.203152] ? check_preemption_disabled+0x48/0x200 [ 258.208671] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 258.214471] ? kasan_check_read+0x11/0x20 [ 258.218624] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.223902] ? rcu_bh_qs+0xc0/0xc0 [ 258.227452] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 258.232988] ? oom_evaluate_task+0x302/0x540 [ 258.237418] out_of_memory+0xa86/0x14c0 [ 258.241407] ? oom_killer_disable+0x3a0/0x3a0 [ 258.245931] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 258.250866] ? __mutex_add_waiter+0x2a0/0x2a0 [ 258.255410] __alloc_pages_slowpath+0x2318/0x2d80 [ 258.260313] ? warn_alloc+0x120/0x120 [ 258.264115] ? __radix_tree_lookup+0x4c0/0x4c0 [ 258.268712] ? find_get_entry+0x2f2/0xc40 [ 258.272875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.278423] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 258.283355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.288896] ? should_fail+0x22d/0xd01 [ 258.292790] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.297895] ? __lock_is_held+0xb5/0x140 [ 258.302071] ? __lock_is_held+0xb5/0x140 [ 258.306142] ? find_held_lock+0x36/0x1c0 [ 258.310663] ? ___might_sleep+0x1ed/0x300 [ 258.314811] ? lock_release+0x970/0x970 [ 258.318787] ? arch_local_save_flags+0x40/0x40 [ 258.323384] ? __might_sleep+0x95/0x190 [ 258.327370] __alloc_pages_nodemask+0xa80/0xde0 [ 258.332053] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 258.337071] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 258.342870] ? kasan_check_read+0x11/0x20 [ 258.347026] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.352321] ? graph_lock+0x170/0x170 [ 258.356146] ? print_usage_bug+0xc0/0xc0 [ 258.360209] ? graph_lock+0x170/0x170 [ 258.364038] ? graph_lock+0x170/0x170 [ 258.367844] ? __do_page_cache_readahead+0x7ce/0x980 [ 258.372953] ? find_held_lock+0x36/0x1c0 [ 258.377023] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 258.382566] alloc_pages_current+0x10c/0x210 [ 258.386978] ? lock_downgrade+0x900/0x900 [ 258.391130] __page_cache_alloc+0x38f/0x5b0 [ 258.395453] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 258.401255] ? kasan_check_read+0x11/0x20 [ 258.405413] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.411192] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 258.415868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.421429] ? check_preemption_disabled+0x48/0x200 [ 258.426467] filemap_fault+0x1594/0x25f0 [ 258.430570] ? __lock_page_or_retry+0xa00/0xa00 [ 258.435256] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 258.441057] ? kasan_check_read+0x11/0x20 [ 258.445206] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.450500] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 258.458670] ? rcu_bh_qs+0xc0/0xc0 [ 258.462229] ? trace_hardirqs_on+0xbd/0x310 [ 258.466551] ? kasan_check_read+0x11/0x20 [ 258.470757] ? __free_object+0x173/0x340 [ 258.474825] ? filemap_map_pages+0xdea/0x1980 [ 258.479327] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.484429] ? __free_object+0x173/0x340 [ 258.488489] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 258.493787] ? debug_object_free+0x325/0x690 [ 258.498196] ? find_get_pages_range_tag+0x1320/0x1320 [ 258.503401] ? graph_lock+0x170/0x170 [ 258.507719] ? kasan_check_read+0x11/0x20 [ 258.511869] ? debug_object_destroy+0x2b0/0x2b0 [ 258.516549] ? lock_acquire+0x1ed/0x520 [ 258.520528] ? ext4_filemap_fault+0x7a/0xad [ 258.524862] ? lock_release+0x970/0x970 [ 258.528852] ? arch_local_save_flags+0x40/0x40 [ 258.533437] ? futex_wait_setup+0x3e0/0x3e0 [ 258.537768] ? down_read+0xb0/0x1d0 [ 258.541395] ? ext4_filemap_fault+0x7a/0xad [ 258.545717] ? __down_interruptible+0x700/0x700 [ 258.550413] ext4_filemap_fault+0x82/0xad [ 258.554887] __do_fault+0x100/0x6b0 [ 258.558520] ? print_bad_pte+0x6c0/0x6c0 [ 258.562584] ? do_futex+0x249/0x26d0 [ 258.566302] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.571755] ? kasan_check_read+0x11/0x20 [ 258.575913] ? pmd_val+0x88/0x100 [ 258.579369] ? add_mm_counter_fast+0xd0/0xd0 [ 258.583781] ? pmd_val+0x88/0x100 [ 258.587240] ? add_mm_counter_fast+0xd0/0xd0 [ 258.591659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.597207] __handle_mm_fault+0x3709/0x53e0 [ 258.601639] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 258.606501] ? graph_lock+0x170/0x170 [ 258.610434] ? print_usage_bug+0xc0/0xc0 [ 258.614511] ? lockdep_hardirqs_on+0x421/0x5c0 [ 258.619098] ? graph_lock+0x170/0x170 [ 258.622892] ? graph_lock+0x170/0x170 [ 258.626728] ? handle_mm_fault+0x42a/0xc70 [ 258.630976] ? lock_downgrade+0x900/0x900 [ 258.635125] ? check_preemption_disabled+0x48/0x200 [ 258.640146] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 258.645946] ? kasan_check_read+0x11/0x20 [ 258.650096] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.655377] ? rcu_bh_qs+0xc0/0xc0 [ 258.658924] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.664378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.669919] ? check_preemption_disabled+0x48/0x200 [ 258.674943] handle_mm_fault+0x54f/0xc70 [ 258.679009] ? __handle_mm_fault+0x53e0/0x53e0 [ 258.683592] ? find_vma+0x34/0x190 [ 258.687148] __do_page_fault+0x67d/0xed0 [ 258.691217] ? mm_fault_error+0x380/0x380 [ 258.695362] ? trace_hardirqs_off+0xb8/0x300 [ 258.699776] ? trace_hardirqs_on+0x310/0x310 [ 258.704185] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 258.710049] ? trace_hardirqs_on+0x310/0x310 [ 258.714463] do_page_fault+0xf2/0x7e0 [ 258.718266] ? vmalloc_sync_all+0x30/0x30 [ 258.722429] ? error_entry+0x70/0xd0 [ 258.726166] ? trace_hardirqs_off_caller+0xbb/0x300 [ 258.731183] ? trace_hardirqs_on_caller+0xc0/0x300 [ 258.736124] ? syscall_return_slowpath+0x5e0/0x5e0 [ 258.741051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.745896] ? trace_hardirqs_off+0x300/0x300 [ 258.750399] ? trace_hardirqs_off_caller+0x300/0x300 [ 258.755511] ? prepare_exit_to_usermode+0x291/0x3b0 [ 258.760541] ? page_fault+0x8/0x30 [ 258.764096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.768942] ? page_fault+0x8/0x30 [ 258.772488] page_fault+0x1e/0x30 [ 258.775939] RIP: 0033:0x45ddf3 [ 258.779136] Code: Bad RIP value. [ 258.782495] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 258.787863] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 258.795129] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 258.802398] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 258.810134] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 258.817407] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 258.824721] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 258.824727] warn_alloc_show_mem: 1 callbacks suppressed [ 258.824735] Mem-Info: [ 258.831923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.837290] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 258.837290] active_file:16 inactive_file:19 isolated_file:0 [ 258.837290] unevictable:0 dirty:0 writeback:0 unstable:0 [ 258.837290] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 258.837290] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 258.837290] free:13708 free_pcp:124 free_cma:0 [ 258.839667] Call Trace: [ 258.849056] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 258.881911] [ 258.884487] Node 0 [ 258.912178] dump_stack+0x1c4/0x2b4 [ 258.914335] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 258.916552] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.920147] lowmem_reserve[]: 0 [ 258.945675] warn_alloc.cold.118+0xb7/0x1bd [ 258.950839] 2817 6321 [ 258.954124] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 258.958449] 6321 [ 258.960949] ? lock_downgrade+0x900/0x900 [ 258.965769] Node 0 [ 258.967831] ? trace_hardirqs_off+0xb8/0x300 [ 258.971978] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 258.974189] ? trace_hardirqs_off+0xb8/0x300 [ 258.978565] lowmem_reserve[]: 0 [ 259.006038] __alloc_pages_slowpath+0x2667/0x2d80 [ 259.010644] 0 [ 259.013951] ? warn_alloc+0x120/0x120 [ 259.018750] 3503 [ 259.020551] ? warn_alloc+0x120/0x120 [ 259.024319] 3503 [ 259.026392] ? print_usage_bug+0xc0/0xc0 [ 259.030174] Node 0 [ 259.032234] ? warn_alloc+0x120/0x120 [ 259.036317] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 259.038523] ? print_usage_bug+0xc0/0xc0 [ 259.042308] lowmem_reserve[]: 0 [ 259.070508] ? print_usage_bug+0xc0/0xc0 [ 259.074549] 0 [ 259.077823] ? __lock_acquire+0x7ec/0x4ec0 [ 259.081866] 0 [ 259.083668] ? __lock_acquire+0x7ec/0x4ec0 [ 259.087877] 0 [ 259.089694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.093907] Node 0 [ 259.095728] ? should_fail+0x22d/0xd01 [ 259.101229] DMA: 1*4kB [ 259.103682] ? print_usage_bug+0xc0/0xc0 [ 259.108042] (U) 0*8kB [ 259.110635] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.114676] 0*16kB [ 259.117168] ? __lock_acquire+0x7ec/0x4ec0 [ 259.122249] 1*32kB [ 259.124480] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.128686] (U) 2*64kB [ 259.130927] ? __lock_acquire+0x7ec/0x4ec0 [ 259.136009] (U) [ 259.138592] ? should_fail+0x22d/0xd01 [ 259.142813] 1*128kB [ 259.144791] ? mark_held_locks+0x130/0x130 [ 259.148645] (U) 1*256kB [ 259.150974] ? mark_held_locks+0x130/0x130 [ 259.155187] (U) [ 259.157860] ? graph_lock+0x170/0x170 [ 259.162072] 0*512kB [ 259.164045] ? print_usage_bug+0xc0/0xc0 [ 259.167817] 1*1024kB (U) [ 259.170151] ? mark_held_locks+0x130/0x130 [ 259.174185] 1*2048kB (M) [ 259.176950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.181159] 3*4096kB [ 259.183936] ? check_preemption_disabled+0x48/0x200 [ 259.189446] (M) [ 259.191860] ? check_preemption_disabled+0x48/0x200 [ 259.196848] = 15908kB [ 259.196857] Node 0 [ 259.198841] ? __lock_is_held+0xb5/0x140 [ 259.203820] DMA32: 3*4kB [ 259.206240] __alloc_pages_nodemask+0xa80/0xde0 [ 259.208913] (UM) [ 259.212972] ? graph_lock+0x170/0x170 [ 259.215710] 2*8kB [ 259.220380] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.222427] (M) [ 259.226225] ? graph_lock+0x170/0x170 [ 259.228347] 3*16kB (UM) [ 259.233402] ? find_held_lock+0x36/0x1c0 [ 259.235382] 3*32kB [ 259.239193] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.241836] (M) [ 259.245901] ? lock_downgrade+0x900/0x900 [ 259.248110] 3*64kB [ 259.252778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.254729] (UM) [ 259.258877] cache_grow_begin+0x91/0x8c0 [ 259.261090] 4*128kB [ 259.266636] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.268674] (UM) [ 259.272732] fallback_alloc+0x203/0x2e0 [ 259.275025] 3*256kB (M) [ 259.279443] ____cache_alloc_node+0x1c7/0x1e0 [ 259.281485] 4*512kB [ 259.285456] kmem_cache_alloc_node+0xe3/0x730 [ 259.288100] (M) [ 259.292590] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.294894] 3*1024kB (UM) [ 259.299409] __alloc_skb+0x119/0x770 [ 259.301364] 1*2048kB [ 259.305594] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.308936] (M) [ 259.312995] ? skb_scrub_packet+0x490/0x490 [ 259.315384] 4*4096kB [ 259.320666] ? lock_downgrade+0x900/0x900 [ 259.322634] (M) [ 259.326956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.329343] = 25196kB [ 259.333488] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.335440] Node 0 [ 259.340973] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.343355] Normal: 852*4kB [ 259.348811] ? addrconf_rs_timer+0x6f0/0x6f0 [ 259.351024] (UMEH) [ 259.356476] ndisc_alloc_skb+0x144/0x340 [ 259.359458] 324*8kB (UMEH) [ 259.363872] ndisc_send_rs+0x331/0x6e0 [ 259.366090] 169*16kB [ 259.370149] addrconf_rs_timer+0x3c0/0x6f0 [ 259.373057] (UMEH) [ 259.376945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.379331] 81*32kB [ 259.383580] call_timer_fn+0x272/0x920 [ 259.385788] (UMEH) [ 259.390020] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.392321] 31*64kB [ 259.396204] ? process_timeout+0x40/0x40 [ 259.398416] (UMH) [ 259.402643] ? find_held_lock+0x36/0x1c0 [ 259.404948] 3*128kB [ 259.409008] ? __run_timers+0x7da/0xc70 [ 259.411136] (H) [ 259.415196] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.417505] 1*256kB (H) [ 259.421482] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.423436] 0*512kB [ 259.427926] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.430575] 0*1024kB [ 259.435064] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 259.437358] 0*2048kB 0*4096kB [ 259.441598] ? trace_hardirqs_on+0xbd/0x310 [ 259.443987] = 13920kB [ 259.444002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 259.448569] ? kasan_check_read+0x11/0x20 [ 259.448587] ? __run_timers+0x7da/0xc70 [ 259.451776] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 259.456089] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.458476] 414 total pagecache pages [ 259.467314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.471434] 0 pages in swap cache [ 259.475393] __run_timers+0x7e5/0xc70 [ 259.483948] Swap cache stats: add 0, delete 0, find 0/0 [ 259.483958] Free swap = 0kB [ 259.489414] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 259.493186] Total swap = 0kB [ 259.497416] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 259.500845] 1965979 pages RAM [ 259.504642] ? graph_lock+0x170/0x170 [ 259.510472] 0 pages HighMem/MovableOnly [ 259.510482] 342744 pages reserved [ 259.513504] ? enqueue_hrtimer+0x1a5/0x560 [ 259.518850] 0 pages cma reserved [ 259.521869] ? lock_release+0x970/0x970 [ 259.526950] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.529975] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 259.529996] ? find_held_lock+0x36/0x1c0 [ 259.530015] ? graph_lock+0x170/0x170 [ 259.533855] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.537779] ? pvclock_read_flags+0x160/0x160 [ 259.541209] syz-fuzzer cpuset= [ 259.545436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.548778] / [ 259.552760] ? check_preemption_disabled+0x48/0x200 [ 259.559231] mems_allowed=0 [ 259.564424] ? __lock_is_held+0xb5/0x140 [ 259.609429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.614973] ? check_preemption_disabled+0x48/0x200 [ 259.620003] run_timer_softirq+0x52/0xb0 [ 259.624080] ? rcu_read_lock_sched_held+0x108/0x120 [ 259.629103] __do_softirq+0x30b/0xad8 [ 259.632927] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 259.638035] ? pvclock_read_flags+0x160/0x160 [ 259.642527] ? lapic_next_event+0x5a/0x90 [ 259.646677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.652220] ? check_preemption_disabled+0x48/0x200 [ 259.657236] ? check_preemption_disabled+0x48/0x200 [ 259.662263] ? kvm_clock_read+0x18/0x30 [ 259.666241] ? kvm_sched_clock_read+0x9/0x20 [ 259.670655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.676193] ? check_preemption_disabled+0x48/0x200 [ 259.681224] irq_exit+0x17f/0x1c0 [ 259.684686] smp_apic_timer_interrupt+0x1cb/0x760 [ 259.689528] ? smp_reschedule_interrupt+0x109/0x650 [ 259.694561] ? smp_call_function_single_interrupt+0x650/0x650 [ 259.700452] ? interrupt_entry+0xb5/0xf0 [ 259.704523] ? trace_hardirqs_off_caller+0xbb/0x300 [ 259.709647] ? trace_hardirqs_off_caller+0xbb/0x300 [ 259.714671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.719516] ? trace_hardirqs_off+0x300/0x300 [ 259.724007] ? trace_hardirqs_off+0x300/0x300 [ 259.728502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.734040] ? check_preemption_disabled+0x48/0x200 [ 259.739055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.744603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.749457] apic_timer_interrupt+0xf/0x20 [ 259.753690] [ 259.755928] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 259.760868] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 259.779772] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 259.787480] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 259.794762] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 259.802040] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 259.809336] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 259.816602] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 259.823922] skb_clone+0x1bb/0x500 [ 259.827467] ? finish_task_switch+0x2f5/0x900 [ 259.831962] ? skb_split+0x11e0/0x11e0 [ 259.835852] ? preempt_notifier_register+0x200/0x200 [ 259.840960] ? __switch_to_asm+0x34/0x70 [ 259.845020] ? __switch_to_asm+0x34/0x70 [ 259.849080] ? __switch_to_asm+0x40/0x70 [ 259.853138] ? __switch_to_asm+0x34/0x70 [ 259.857224] ? __switch_to_asm+0x40/0x70 [ 259.861291] ? __switch_to_asm+0x34/0x70 [ 259.865355] ? __switch_to_asm+0x40/0x70 [ 259.869424] ? __switch_to_asm+0x34/0x70 [ 259.873496] ? __switch_to_asm+0x34/0x70 [ 259.877562] ? __switch_to_asm+0x40/0x70 [ 259.881626] ? __switch_to_asm+0x34/0x70 [ 259.885707] bpf_clone_redirect+0xb9/0x490 [ 259.889993] ? __schedule+0x874/0x1ed0 [ 259.893910] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 259.898931] ? __sched_text_start+0x8/0x8 [ 259.903079] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.907850] ? find_held_lock+0x36/0x1c0 [ 259.911928] ? lock_acquire+0x1ed/0x520 [ 259.915921] ? bpf_test_run+0x32e/0x5a0 [ 259.919907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.925447] ? check_preemption_disabled+0x48/0x200 [ 259.930478] ? kasan_check_read+0x11/0x20 [ 259.934647] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.939929] ? rcu_bh_qs+0xc0/0xc0 [ 259.943474] ? preempt_schedule+0x4d/0x60 [ 259.947628] ? ___preempt_schedule+0x16/0x18 [ 259.952044] ? bpf_test_run+0x1c0/0x5a0 [ 259.956031] ? netlink_diag_dump+0x2a0/0x2a0 [ 259.960454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.965995] ? bpf_test_init.isra.9+0x70/0x100 [ 259.970594] ? bpf_prog_test_run_skb+0x634/0xb40 [ 259.975359] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 259.980205] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 259.985745] ? fput+0x130/0x1a0 [ 259.989026] ? __bpf_prog_get+0x9b/0x290 [ 259.993099] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 259.997954] ? bpf_prog_test_run+0x130/0x1a0 [ 260.002363] ? __x64_sys_bpf+0x3d8/0x510 [ 260.006428] ? bpf_prog_get+0x20/0x20 [ 260.010243] ? ksys_ioctl+0x81/0xd0 [ 260.013894] ? do_syscall_64+0x1b9/0x820 [ 260.017956] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 260.023331] ? syscall_return_slowpath+0x5e0/0x5e0 [ 260.028266] ? trace_hardirqs_off+0x300/0x300 [ 260.032763] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 260.037783] ? recalc_sigpending_tsk+0x180/0x180 [ 260.042543] ? kasan_check_write+0x14/0x20 [ 260.046785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.051650] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 260.057044] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 260.057130] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.063983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.063989] Call Trace: [ 260.063996] [ 260.064012] dump_stack+0x1c4/0x2b4 [ 260.064032] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.070606] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.079888] warn_alloc.cold.118+0xb7/0x1bd [ 260.082451] syz-executor7 cpuset= [ 260.084604] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.088199] syz7 [ 260.093383] ? lock_downgrade+0x900/0x900 [ 260.103850] mems_allowed=0 [ 260.108267] ? trace_hardirqs_off+0xb8/0x300 [ 260.129952] ? trace_hardirqs_off+0xb8/0x300 [ 260.134371] __alloc_pages_slowpath+0x2667/0x2d80 [ 260.139252] ? warn_alloc+0x120/0x120 [ 260.143062] ? warn_alloc+0x120/0x120 [ 260.146868] ? print_usage_bug+0xc0/0xc0 [ 260.150933] ? warn_alloc+0x120/0x120 [ 260.154734] ? print_usage_bug+0xc0/0xc0 [ 260.158797] ? __lock_acquire+0x7ec/0x4ec0 [ 260.163028] ? __lock_acquire+0x7ec/0x4ec0 [ 260.167266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.172829] ? should_fail+0x22d/0xd01 [ 260.176721] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.181837] ? __lock_acquire+0x7ec/0x4ec0 [ 260.186078] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.191184] ? __lock_acquire+0x7ec/0x4ec0 [ 260.195419] ? should_fail+0x22d/0xd01 [ 260.199344] ? mark_held_locks+0x130/0x130 [ 260.203584] ? mark_held_locks+0x130/0x130 [ 260.208330] ? graph_lock+0x170/0x170 [ 260.212132] ? graph_lock+0x170/0x170 [ 260.215939] ? graph_lock+0x170/0x170 [ 260.219738] ? print_usage_bug+0xc0/0xc0 [ 260.223823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.229392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.234938] ? check_preemption_disabled+0x48/0x200 [ 260.239957] ? check_preemption_disabled+0x48/0x200 [ 260.244983] ? __lock_is_held+0xb5/0x140 [ 260.249055] __alloc_pages_nodemask+0xa80/0xde0 [ 260.253728] ? graph_lock+0x170/0x170 [ 260.257533] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 260.262552] ? graph_lock+0x170/0x170 [ 260.266368] ? find_held_lock+0x36/0x1c0 [ 260.270447] ? ____cache_alloc_node+0x1c7/0x1e0 [ 260.275122] ? lock_downgrade+0x900/0x900 [ 260.279281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.284825] cache_grow_begin+0x91/0x8c0 [ 260.288892] ? do_raw_spin_unlock+0xa7/0x2f0 [ 260.293315] fallback_alloc+0x203/0x2e0 [ 260.297308] ____cache_alloc_node+0x1c7/0x1e0 [ 260.301816] kmem_cache_alloc_node+0xe3/0x730 [ 260.306312] ? ipv6_get_ifaddr+0x42e/0x620 [ 260.311039] __alloc_skb+0x119/0x770 [ 260.314760] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.320042] ? skb_scrub_packet+0x490/0x490 [ 260.324365] ? lock_downgrade+0x900/0x900 [ 260.328527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.334065] ? refcount_sub_and_test_checked+0x203/0x310 [ 260.339529] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 260.344983] ? addrconf_rs_timer+0x6f0/0x6f0 [ 260.349411] ndisc_alloc_skb+0x144/0x340 [ 260.353745] ndisc_send_rs+0x331/0x6e0 [ 260.357640] addrconf_rs_timer+0x3c0/0x6f0 [ 260.361888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.366142] call_timer_fn+0x272/0x920 [ 260.370033] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.374275] ? process_timeout+0x40/0x40 [ 260.378337] ? find_held_lock+0x36/0x1c0 [ 260.382417] ? mark_held_locks+0xc7/0x130 [ 260.386573] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.391080] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.395579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.399828] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 260.404416] ? trace_hardirqs_on+0xbd/0x310 [ 260.409211] ? kasan_check_read+0x11/0x20 [ 260.413367] ? __run_timers+0x7da/0xc70 [ 260.417354] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.422817] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.427061] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.431303] __run_timers+0x7e5/0xc70 [ 260.435124] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 260.440494] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 260.445514] ? graph_lock+0x170/0x170 [ 260.449333] ? print_usage_bug+0xc0/0xc0 [ 260.453407] ? lock_release+0x970/0x970 [ 260.457404] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 260.462613] ? find_held_lock+0x36/0x1c0 [ 260.466682] ? graph_lock+0x170/0x170 [ 260.470488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.476033] ? check_preemption_disabled+0x48/0x200 [ 260.481067] ? __lock_is_held+0xb5/0x140 [ 260.485137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.490679] ? check_preemption_disabled+0x48/0x200 [ 260.495709] run_timer_softirq+0x52/0xb0 [ 260.499774] ? rcu_read_lock_sched_held+0x108/0x120 [ 260.504801] __do_softirq+0x30b/0xad8 [ 260.508798] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 260.513910] ? pvclock_read_flags+0x160/0x160 [ 260.518416] ? lapic_next_event+0x5a/0x90 [ 260.522571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.528132] ? check_preemption_disabled+0x48/0x200 [ 260.533156] ? check_preemption_disabled+0x48/0x200 [ 260.538192] ? kvm_clock_read+0x18/0x30 [ 260.542173] ? kvm_sched_clock_read+0x9/0x20 [ 260.546628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.552171] ? check_preemption_disabled+0x48/0x200 [ 260.557204] irq_exit+0x17f/0x1c0 [ 260.560668] smp_apic_timer_interrupt+0x1cb/0x760 [ 260.565520] ? smp_reschedule_interrupt+0x109/0x650 [ 260.570543] ? smp_call_function_single_interrupt+0x650/0x650 [ 260.576451] ? interrupt_entry+0xb5/0xf0 [ 260.580524] ? trace_hardirqs_off_caller+0xbb/0x300 [ 260.585545] ? trace_hardirqs_off_caller+0xbb/0x300 [ 260.590567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.595420] ? trace_hardirqs_off+0x300/0x300 [ 260.599918] ? trace_hardirqs_off+0x300/0x300 [ 260.604416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.610239] ? check_preemption_disabled+0x48/0x200 [ 260.615271] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.620131] apic_timer_interrupt+0xf/0x20 [ 260.624370] [ 260.626629] RIP: 0010:console_unlock+0x1017/0x11a0 [ 260.631570] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 260.650486] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 260.658206] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 260.665479] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 260.672754] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 260.680024] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 260.687292] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 260.694576] ? netconsole_netdev_event+0x280/0x280 [ 260.699528] ? console_unlock+0x100e/0x11a0 [ 260.703882] ? devkmsg_read+0xbb0/0xbb0 [ 260.708222] ? vprintk_emit+0x7f7/0x930 [ 260.712204] ? lock_release+0x970/0x970 [ 260.716185] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.721641] ? vprintk_default+0x28/0x30 [ 260.725711] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.731172] ? kasan_check_write+0x14/0x20 [ 260.735416] ? do_raw_spin_lock+0xc1/0x200 [ 260.739667] vprintk_emit+0x33d/0x930 [ 260.743487] ? wake_up_klogd+0x180/0x180 [ 260.747560] ? find_held_lock+0x36/0x1c0 [ 260.751638] ? mark_held_locks+0xc7/0x130 [ 260.755790] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.760283] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.764793] vprintk_default+0x28/0x30 [ 260.768685] vprintk_func+0x7e/0x181 [ 260.772409] printk+0xa7/0xcf [ 260.775523] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 260.780283] ? _raw_spin_unlock_irq+0x60/0x80 [ 260.784812] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 260.790099] dump_header+0x7cc/0xf72 [ 260.793828] ? pagefault_out_of_memory+0x197/0x197 [ 260.798768] ? __lock_acquire+0x7ec/0x4ec0 [ 260.803012] ? print_usage_bug+0xc0/0xc0 [ 260.807461] ? graph_lock+0x170/0x170 [ 260.811261] ? graph_lock+0x170/0x170 [ 260.815067] ? print_usage_bug+0xc0/0xc0 [ 260.819136] ? print_usage_bug+0xc0/0xc0 [ 260.823205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.828749] ? find_held_lock+0x36/0x1c0 [ 260.832824] ? mark_held_locks+0xc7/0x130 [ 260.836980] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 260.842087] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 260.847191] ? lockdep_hardirqs_on+0x421/0x5c0 [ 260.851779] ? trace_hardirqs_on+0xbd/0x310 [ 260.856105] ? kasan_check_read+0x11/0x20 [ 260.860259] ? ___ratelimit+0x36f/0x655 [ 260.864238] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.869691] ? trace_hardirqs_on+0x310/0x310 [ 260.874113] ? lock_downgrade+0x900/0x900 [ 260.878272] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 260.883378] ? ___ratelimit+0xaa/0x655 [ 260.887281] ? idr_get_free+0xec0/0xec0 [ 260.891261] ? kasan_check_write+0x14/0x20 [ 260.895508] ? do_raw_spin_lock+0xc1/0x200 [ 260.899757] oom_kill_process.cold.27+0x10/0x903 [ 260.904518] ? graph_lock+0x170/0x170 [ 260.908837] ? _raw_spin_unlock+0x2c/0x50 [ 260.912984] ? oom_badness+0xe6/0xaa0 [ 260.916796] ? oom_evaluate_task+0x540/0x540 [ 260.921212] ? find_held_lock+0x36/0x1c0 [ 260.925283] ? out_of_memory+0x974/0x14c0 [ 260.929435] ? lock_downgrade+0x900/0x900 [ 260.933591] ? check_preemption_disabled+0x48/0x200 [ 260.938629] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 260.944428] ? kasan_check_read+0x11/0x20 [ 260.948577] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.953866] ? rcu_bh_qs+0xc0/0xc0 [ 260.957417] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 260.962953] ? oom_evaluate_task+0x302/0x540 [ 260.967372] out_of_memory+0xa86/0x14c0 [ 260.971360] ? oom_killer_disable+0x3a0/0x3a0 [ 260.975859] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 260.980798] ? __mutex_add_waiter+0x2a0/0x2a0 [ 260.985310] __alloc_pages_slowpath+0x2318/0x2d80 [ 260.990185] ? warn_alloc+0x120/0x120 [ 260.993985] ? __radix_tree_lookup+0x4c0/0x4c0 [ 260.998792] ? find_get_entry+0x2f2/0xc40 [ 261.002955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.010228] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 261.015161] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.020711] ? should_fail+0x22d/0xd01 [ 261.024639] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.029744] ? __lock_is_held+0xb5/0x140 [ 261.033832] ? __lock_is_held+0xb5/0x140 [ 261.037908] ? find_held_lock+0x36/0x1c0 [ 261.041976] ? ___might_sleep+0x1ed/0x300 [ 261.046126] ? lock_release+0x970/0x970 [ 261.050106] ? arch_local_save_flags+0x40/0x40 [ 261.054703] ? __might_sleep+0x95/0x190 [ 261.058686] __alloc_pages_nodemask+0xa80/0xde0 [ 261.063376] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 261.068419] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.074219] ? kasan_check_read+0x11/0x20 [ 261.078368] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.083660] ? graph_lock+0x170/0x170 [ 261.087465] ? print_usage_bug+0xc0/0xc0 [ 261.091544] ? graph_lock+0x170/0x170 [ 261.095344] ? graph_lock+0x170/0x170 [ 261.099146] ? __do_page_cache_readahead+0x7ce/0x980 [ 261.104776] ? find_held_lock+0x36/0x1c0 [ 261.109363] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 261.114912] alloc_pages_current+0x10c/0x210 [ 261.119328] ? lock_downgrade+0x900/0x900 [ 261.123483] __page_cache_alloc+0x38f/0x5b0 [ 261.127806] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.133609] ? kasan_check_read+0x11/0x20 [ 261.137788] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.143071] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 261.147762] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.153317] ? check_preemption_disabled+0x48/0x200 [ 261.158366] filemap_fault+0x1594/0x25f0 [ 261.162481] ? __lock_page_or_retry+0xa00/0xa00 [ 261.167189] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.172994] ? kasan_check_read+0x11/0x20 [ 261.177161] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.182445] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 261.187558] ? rcu_bh_qs+0xc0/0xc0 [ 261.191114] ? trace_hardirqs_on+0xbd/0x310 [ 261.195448] ? kasan_check_read+0x11/0x20 [ 261.199609] ? __free_object+0x173/0x340 [ 261.203690] ? filemap_map_pages+0xdea/0x1980 [ 261.208692] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.213805] ? __free_object+0x173/0x340 [ 261.217888] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 261.223173] ? debug_object_free+0x325/0x690 [ 261.227607] ? find_get_pages_range_tag+0x1320/0x1320 [ 261.232816] ? graph_lock+0x170/0x170 [ 261.236640] ? kasan_check_read+0x11/0x20 [ 261.240796] ? debug_object_destroy+0x2b0/0x2b0 [ 261.245484] ? lock_acquire+0x1ed/0x520 [ 261.249476] ? ext4_filemap_fault+0x7a/0xad [ 261.253808] ? lock_release+0x970/0x970 [ 261.257783] ? arch_local_save_flags+0x40/0x40 [ 261.262377] ? futex_wait_setup+0x3e0/0x3e0 [ 261.266722] ? down_read+0xb0/0x1d0 [ 261.270352] ? ext4_filemap_fault+0x7a/0xad [ 261.274690] ? __down_interruptible+0x700/0x700 [ 261.279385] ext4_filemap_fault+0x82/0xad [ 261.283763] __do_fault+0x100/0x6b0 [ 261.287414] ? print_bad_pte+0x6c0/0x6c0 [ 261.291496] ? do_futex+0x249/0x26d0 [ 261.295214] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.300672] ? kasan_check_read+0x11/0x20 [ 261.304825] ? pmd_val+0x88/0x100 [ 261.308760] ? add_mm_counter_fast+0xd0/0xd0 [ 261.313170] ? pmd_val+0x88/0x100 [ 261.316630] ? add_mm_counter_fast+0xd0/0xd0 [ 261.321050] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.326605] __handle_mm_fault+0x3709/0x53e0 [ 261.331048] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 261.335898] ? graph_lock+0x170/0x170 [ 261.339702] ? print_usage_bug+0xc0/0xc0 [ 261.343765] ? lockdep_hardirqs_on+0x421/0x5c0 [ 261.348352] ? graph_lock+0x170/0x170 [ 261.352158] ? graph_lock+0x170/0x170 [ 261.355982] ? handle_mm_fault+0x42a/0xc70 [ 261.360223] ? lock_downgrade+0x900/0x900 [ 261.364396] ? check_preemption_disabled+0x48/0x200 [ 261.369425] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.375226] ? kasan_check_read+0x11/0x20 [ 261.379376] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.384658] ? rcu_bh_qs+0xc0/0xc0 [ 261.388221] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.393675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.399215] ? check_preemption_disabled+0x48/0x200 [ 261.404256] handle_mm_fault+0x54f/0xc70 [ 261.408762] ? __handle_mm_fault+0x53e0/0x53e0 [ 261.413365] ? find_vma+0x34/0x190 [ 261.416934] __do_page_fault+0x67d/0xed0 [ 261.421027] ? mm_fault_error+0x380/0x380 [ 261.425187] ? trace_hardirqs_off+0xb8/0x300 [ 261.429607] ? trace_hardirqs_on+0x310/0x310 [ 261.434017] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 261.439380] ? trace_hardirqs_on+0x310/0x310 [ 261.443806] do_page_fault+0xf2/0x7e0 [ 261.447620] ? vmalloc_sync_all+0x30/0x30 [ 261.451777] ? error_entry+0x70/0xd0 [ 261.455516] ? trace_hardirqs_off_caller+0xbb/0x300 [ 261.460531] ? trace_hardirqs_on_caller+0xc0/0x300 [ 261.465467] ? syscall_return_slowpath+0x5e0/0x5e0 [ 261.470403] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.475254] ? trace_hardirqs_off+0x300/0x300 [ 261.479759] ? trace_hardirqs_off_caller+0x300/0x300 [ 261.484872] ? prepare_exit_to_usermode+0x291/0x3b0 [ 261.489895] ? page_fault+0x8/0x30 [ 261.493451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.498304] ? page_fault+0x8/0x30 [ 261.501848] page_fault+0x1e/0x30 [ 261.505314] RIP: 0033:0x45ddf3 [ 261.508526] Code: Bad RIP value. [ 261.511903] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 261.517278] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 261.524563] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 261.531843] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 261.539127] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 261.546399] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 261.553708] warn_alloc_show_mem: 1 callbacks suppressed [ 261.553720] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 261.553722] Mem-Info: [ 261.553755] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 261.553755] active_file:16 inactive_file:19 isolated_file:0 [ 261.553755] unevictable:0 dirty:0 writeback:0 unstable:0 [ 261.553755] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 261.553755] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 261.553755] free:13708 free_pcp:124 free_cma:0 [ 261.559125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.566319] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 261.568718] Call Trace: [ 261.601606] Node 0 [ 261.610974] [ 261.638667] 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 [ 261.641234] dump_stack+0x1c4/0x2b4 [ 261.643447] lowmem_reserve[]: [ 261.645614] ? dump_stack_print_info.cold.2+0x52/0x52 [ 261.671110] 0 2817 [ 261.674765] warn_alloc.cold.118+0xb7/0x1bd [ 261.677848] 6321 [ 261.683047] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.685262] 6321 [ 261.689581] ? lock_downgrade+0x900/0x900 [ 261.691630] Node 0 [ 261.696472] ? trace_hardirqs_off+0xb8/0x300 [ 261.698538] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 261.702660] ? trace_hardirqs_off+0xb8/0x300 [ 261.704874] lowmem_reserve[]: [ 261.709285] __alloc_pages_slowpath+0x2667/0x2d80 [ 261.736252] 0 [ 261.740696] ? warn_alloc+0x120/0x120 [ 261.743749] 0 [ 261.748590] ? trace_hardirqs_on+0x310/0x310 [ 261.750393] 3503 [ 261.754188] ? warn_alloc+0x120/0x120 [ 261.755969] 3503 [ 261.760374] ? print_usage_bug+0xc0/0xc0 [ 261.766220] ? warn_alloc+0x120/0x120 [ 261.768264] Node 0 [ 261.772323] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 261.776126] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 261.778334] ? print_usage_bug+0xc0/0xc0 [ 261.783343] lowmem_reserve[]: [ 261.811809] ? __lock_acquire+0x7ec/0x4ec0 [ 261.815852] 0 [ 261.818984] ? __lock_acquire+0x7ec/0x4ec0 [ 261.823194] 0 [ 261.825001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.829208] 0 [ 261.831012] ? should_fail+0x22d/0xd01 [ 261.836528] 0 [ 261.838336] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.844017] ? __lock_acquire+0x7ec/0x4ec0 [ 261.849099] Node 0 DMA: [ 261.853340] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.853357] ? __lock_acquire+0x7ec/0x4ec0 [ 261.856013] 1*4kB [ 261.861114] ? should_fail+0x22d/0xd01 [ 261.865323] (U) [ 261.867473] ? print_usage_bug+0xc0/0xc0 [ 261.871347] 0*8kB [ 261.873331] ? mark_held_locks+0x130/0x130 [ 261.877365] 0*16kB [ 261.879525] ? mark_held_locks+0x130/0x130 [ 261.883751] 1*32kB [ 261.885993] ? graph_lock+0x170/0x170 [ 261.890205] (U) [ 261.892439] ? print_usage_bug+0xc0/0xc0 [ 261.896227] 2*64kB [ 261.898198] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.902246] (U) [ 261.904480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.909729] 1*128kB [ 261.911706] ? check_preemption_disabled+0x48/0x200 [ 261.917231] (U) [ 261.919555] ? check_preemption_disabled+0x48/0x200 [ 261.924555] 1*256kB (U) [ 261.926547] ? __lock_is_held+0xb5/0x140 [ 261.931535] 0*512kB [ 261.934206] __alloc_pages_nodemask+0xa80/0xde0 [ 261.938244] 1*1024kB [ 261.940566] ? graph_lock+0x170/0x170 [ 261.945213] (U) [ 261.947629] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 261.951411] 1*2048kB [ 261.953394] ? graph_lock+0x170/0x170 [ 261.958394] (M) [ 261.960811] ? find_held_lock+0x36/0x1c0 [ 261.964586] 3*4096kB [ 261.966569] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.970618] (M) [ 261.973029] ? lock_downgrade+0x900/0x900 [ 261.977675] = 15908kB [ 261.979657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.983777] Node 0 [ 261.986195] cache_grow_begin+0x91/0x8c0 [ 261.991712] DMA32: 3*4kB [ 261.993963] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.998000] (UM) [ 262.000767] fallback_alloc+0x203/0x2e0 [ 262.005148] 2*8kB [ 262.007283] ____cache_alloc_node+0x1c7/0x1e0 [ 262.007344] kmem_cache_alloc_node+0xe3/0x730 [ 262.007356] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.007369] __alloc_skb+0x119/0x770 [ 262.007393] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.007409] ? skb_scrub_packet+0x490/0x490 [ 262.007440] ? lock_downgrade+0x900/0x900 [ 262.011425] (M) [ 262.013580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.018050] 3*16kB [ 262.022546] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.026757] (UM) [ 262.030469] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.035724] 3*32kB [ 262.040043] ? addrconf_rs_timer+0x6f0/0x6f0 [ 262.044167] (M) [ 262.046159] ndisc_alloc_skb+0x144/0x340 [ 262.051660] 3*64kB (UM) [ 262.053915] ndisc_send_rs+0x331/0x6e0 [ 262.059339] 4*128kB [ 262.061405] addrconf_rs_timer+0x3c0/0x6f0 [ 262.066833] (UM) [ 262.069075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.073461] 3*256kB [ 262.075449] call_timer_fn+0x272/0x920 [ 262.079475] (M) [ 262.082145] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.086007] 4*512kB (M) [ 262.088340] ? process_timeout+0x40/0x40 [ 262.092555] 3*1024kB [ 262.094621] ? find_held_lock+0x36/0x1c0 [ 262.098834] (UM) [ 262.101162] ? __run_timers+0x7da/0xc70 [ 262.105030] 1*2048kB [ 262.107003] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.107011] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.107019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.107045] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 262.107089] ? trace_hardirqs_on+0xbd/0x310 [ 262.107131] ? kasan_check_read+0x11/0x20 [ 262.107162] ? __run_timers+0x7da/0xc70 [ 262.107193] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.107251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.107294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.107329] __run_timers+0x7e5/0xc70 [ 262.107345] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 262.107354] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.107362] ? graph_lock+0x170/0x170 [ 262.107371] ? enqueue_hrtimer+0x1a5/0x560 [ 262.107378] ? lock_release+0x970/0x970 [ 262.107386] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 262.107404] ? find_held_lock+0x36/0x1c0 [ 262.107423] ? graph_lock+0x170/0x170 [ 262.111643] (M) [ 262.114309] ? pvclock_read_flags+0x160/0x160 [ 262.118376] 4*4096kB [ 262.120788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.124824] (M) [ 262.126894] ? check_preemption_disabled+0x48/0x200 [ 262.130836] = 25196kB [ 262.133250] ? __lock_is_held+0xb5/0x140 [ 262.137717] Node 0 [ 262.142211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.146425] Normal: [ 262.151011] ? check_preemption_disabled+0x48/0x200 [ 262.155305] 852*4kB [ 262.159465] run_timer_softirq+0x52/0xb0 [ 262.163418] (UMEH) [ 262.168876] ? rcu_read_lock_sched_held+0x108/0x120 [ 262.173080] 324*8kB (UMEH) [ 262.177316] __do_softirq+0x30b/0xad8 [ 262.181087] 169*16kB (UMEH) [ 262.186464] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 262.191454] 81*32kB [ 262.195251] ? pvclock_read_flags+0x160/0x160 [ 262.199461] (UMEH) [ 262.203435] ? lapic_next_event+0x5a/0x90 [ 262.209096] 31*64kB (UMH) [ 262.213168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.216942] 3*128kB [ 262.218921] ? check_preemption_disabled+0x48/0x200 [ 262.223395] (H) [ 262.225802] ? check_preemption_disabled+0x48/0x200 [ 262.231315] 1*256kB [ 262.233292] ? kvm_clock_read+0x18/0x30 [ 262.238308] (H) [ 262.240733] ? kvm_sched_clock_read+0x9/0x20 [ 262.244767] 0*512kB 0*1024kB [ 262.247017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.252529] 0*2048kB [ 262.254855] ? check_preemption_disabled+0x48/0x200 [ 262.259841] 0*4096kB = 13920kB [ 262.262189] irq_exit+0x17f/0x1c0 [ 262.266241] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 262.268486] smp_apic_timer_interrupt+0x1cb/0x760 [ 262.273484] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 262.276411] ? smp_reschedule_interrupt+0x109/0x650 [ 262.280192] 414 total pagecache pages [ 262.283210] ? smp_call_function_single_interrupt+0x650/0x650 [ 262.288314] 0 pages in swap cache [ 262.290624] ? interrupt_entry+0xb5/0xf0 [ 262.295096] Swap cache stats: add 0, delete 0, find 0/0 [ 262.295106] Free swap = 0kB [ 262.297354] ? trace_hardirqs_off_caller+0xbb/0x300 [ 262.301482] Total swap = 0kB [ 262.304325] ? trace_hardirqs_off_caller+0xbb/0x300 [ 262.310333] 1965979 pages RAM [ 262.312656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.317650] 0 pages HighMem/MovableOnly [ 262.319627] ? trace_hardirqs_off+0x300/0x300 [ 262.324626] 342744 pages reserved [ 262.326945] ? trace_hardirqs_off+0x300/0x300 [ 262.330893] 0 pages cma reserved [ 262.330973] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 262.332880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.337340] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 262.340378] ? check_preemption_disabled+0x48/0x200 [ 262.345901] syz-fuzzer cpuset= [ 262.348327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.348351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.353354] / [ 262.356553] apic_timer_interrupt+0xf/0x20 [ 262.359981] mems_allowed=0 [ 262.368798] [ 262.505377] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 262.510424] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 262.529325] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 262.537037] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 262.544319] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 262.551588] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 262.558880] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 262.566156] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 262.573509] skb_clone+0x1bb/0x500 [ 262.577051] ? finish_task_switch+0x2f5/0x900 [ 262.581547] ? skb_split+0x11e0/0x11e0 [ 262.585466] ? preempt_notifier_register+0x200/0x200 [ 262.590568] ? __switch_to_asm+0x34/0x70 [ 262.594629] ? __switch_to_asm+0x34/0x70 [ 262.598696] ? __switch_to_asm+0x40/0x70 [ 262.602754] ? __switch_to_asm+0x34/0x70 [ 262.606812] ? __switch_to_asm+0x40/0x70 [ 262.610872] ? __switch_to_asm+0x34/0x70 [ 262.614938] ? __switch_to_asm+0x40/0x70 [ 262.619000] ? __switch_to_asm+0x34/0x70 [ 262.623092] ? __switch_to_asm+0x34/0x70 [ 262.627155] ? __switch_to_asm+0x40/0x70 [ 262.631230] ? __switch_to_asm+0x34/0x70 [ 262.635322] bpf_clone_redirect+0xb9/0x490 [ 262.639579] ? __schedule+0x874/0x1ed0 [ 262.643479] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 262.648523] ? __sched_text_start+0x8/0x8 [ 262.652682] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.657453] ? find_held_lock+0x36/0x1c0 [ 262.661522] ? lock_acquire+0x1ed/0x520 [ 262.665499] ? bpf_test_run+0x32e/0x5a0 [ 262.669475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.675016] ? check_preemption_disabled+0x48/0x200 [ 262.680048] ? kasan_check_read+0x11/0x20 [ 262.684203] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.689499] ? rcu_bh_qs+0xc0/0xc0 [ 262.693044] ? preempt_schedule+0x4d/0x60 [ 262.697211] ? ___preempt_schedule+0x16/0x18 [ 262.701628] ? bpf_test_run+0x1c0/0x5a0 [ 262.705613] ? netlink_diag_dump+0x2a0/0x2a0 [ 262.710165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.715713] ? bpf_test_init.isra.9+0x70/0x100 [ 262.720299] ? bpf_prog_test_run_skb+0x634/0xb40 [ 262.725075] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.729928] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 262.735466] ? fput+0x130/0x1a0 [ 262.738766] ? __bpf_prog_get+0x9b/0x290 [ 262.742835] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.747676] ? bpf_prog_test_run+0x130/0x1a0 [ 262.752089] ? __x64_sys_bpf+0x3d8/0x510 [ 262.756151] ? bpf_prog_get+0x20/0x20 [ 262.759964] ? ksys_ioctl+0x81/0xd0 [ 262.763602] ? do_syscall_64+0x1b9/0x820 [ 262.767668] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 262.773058] ? syscall_return_slowpath+0x5e0/0x5e0 [ 262.777999] ? trace_hardirqs_off+0x300/0x300 [ 262.782525] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 262.787555] ? recalc_sigpending_tsk+0x180/0x180 [ 262.792325] ? kasan_check_write+0x14/0x20 [ 262.796581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.801453] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 262.806832] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 262.806933] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 262.813895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.813901] Call Trace: [ 262.813908] [ 262.813924] dump_stack+0x1c4/0x2b4 [ 262.813941] ? dump_stack_print_info.cold.2+0x52/0x52 [ 262.813968] warn_alloc.cold.118+0xb7/0x1bd [ 262.820541] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 262.829810] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.832374] syz-executor7 cpuset= [ 262.834557] ? lock_downgrade+0x900/0x900 [ 262.838162] syz7 [ 262.843360] ? trace_hardirqs_off+0xb8/0x300 [ 262.847675] mems_allowed=0 [ 262.858165] ? trace_hardirqs_off+0xb8/0x300 [ 262.884274] __alloc_pages_slowpath+0x2667/0x2d80 [ 262.889183] ? warn_alloc+0x120/0x120 [ 262.892993] ? warn_alloc+0x120/0x120 [ 262.896810] ? print_usage_bug+0xc0/0xc0 [ 262.900876] ? warn_alloc+0x120/0x120 [ 262.904684] ? print_usage_bug+0xc0/0xc0 [ 262.909189] ? __lock_acquire+0x7ec/0x4ec0 [ 262.913453] ? __lock_acquire+0x7ec/0x4ec0 [ 262.917697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.923253] ? should_fail+0x22d/0xd01 [ 262.927145] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.932256] ? __lock_acquire+0x7ec/0x4ec0 [ 262.936500] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.941611] ? __lock_acquire+0x7ec/0x4ec0 [ 262.945862] ? should_fail+0x22d/0xd01 [ 262.949786] ? mark_held_locks+0x130/0x130 [ 262.954041] ? mark_held_locks+0x130/0x130 [ 262.958291] ? graph_lock+0x170/0x170 [ 262.962092] ? graph_lock+0x170/0x170 [ 262.965897] ? graph_lock+0x170/0x170 [ 262.969701] ? print_usage_bug+0xc0/0xc0 [ 262.973782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.979326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.984869] ? check_preemption_disabled+0x48/0x200 [ 262.989885] ? check_preemption_disabled+0x48/0x200 [ 262.994914] ? __lock_is_held+0xb5/0x140 [ 262.999229] __alloc_pages_nodemask+0xa80/0xde0 [ 263.003900] ? graph_lock+0x170/0x170 [ 263.007967] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.012985] ? graph_lock+0x170/0x170 [ 263.016799] ? find_held_lock+0x36/0x1c0 [ 263.020875] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.025549] ? lock_downgrade+0x900/0x900 [ 263.029709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.035297] cache_grow_begin+0x91/0x8c0 [ 263.039361] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.043785] fallback_alloc+0x203/0x2e0 [ 263.047771] ____cache_alloc_node+0x1c7/0x1e0 [ 263.052275] kmem_cache_alloc_node+0xe3/0x730 [ 263.056790] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.061049] __alloc_skb+0x119/0x770 [ 263.064791] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.070076] ? skb_scrub_packet+0x490/0x490 [ 263.074406] ? lock_downgrade+0x900/0x900 [ 263.078563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.084119] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.089576] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.095026] ? addrconf_rs_timer+0x6f0/0x6f0 [ 263.099470] ndisc_alloc_skb+0x144/0x340 [ 263.103977] ndisc_send_rs+0x331/0x6e0 [ 263.108333] addrconf_rs_timer+0x3c0/0x6f0 [ 263.112580] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.116835] call_timer_fn+0x272/0x920 [ 263.120751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.124993] ? process_timeout+0x40/0x40 [ 263.129053] ? find_held_lock+0x36/0x1c0 [ 263.133127] ? mark_held_locks+0xc7/0x130 [ 263.137277] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.141772] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.146264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.150514] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 263.155098] ? trace_hardirqs_on+0xbd/0x310 [ 263.159425] ? kasan_check_read+0x11/0x20 [ 263.163579] ? __run_timers+0x7da/0xc70 [ 263.167591] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.173066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.177313] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.181552] __run_timers+0x7e5/0xc70 [ 263.185395] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 263.190767] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 263.195787] ? graph_lock+0x170/0x170 [ 263.199593] ? print_usage_bug+0xc0/0xc0 [ 263.203665] ? lock_release+0x970/0x970 [ 263.208154] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 263.213363] ? find_held_lock+0x36/0x1c0 [ 263.217435] ? graph_lock+0x170/0x170 [ 263.221267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.226808] ? check_preemption_disabled+0x48/0x200 [ 263.231845] ? __lock_is_held+0xb5/0x140 [ 263.235915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.241460] ? check_preemption_disabled+0x48/0x200 [ 263.246493] run_timer_softirq+0x52/0xb0 [ 263.250559] ? rcu_read_lock_sched_held+0x108/0x120 [ 263.255608] __do_softirq+0x30b/0xad8 [ 263.259439] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 263.264551] ? pvclock_read_flags+0x160/0x160 [ 263.269070] ? lapic_next_event+0x5a/0x90 [ 263.273229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.278810] ? check_preemption_disabled+0x48/0x200 [ 263.283833] ? check_preemption_disabled+0x48/0x200 [ 263.288858] ? kvm_clock_read+0x18/0x30 [ 263.292838] ? kvm_sched_clock_read+0x9/0x20 [ 263.297252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.302795] ? check_preemption_disabled+0x48/0x200 [ 263.308348] irq_exit+0x17f/0x1c0 [ 263.311812] smp_apic_timer_interrupt+0x1cb/0x760 [ 263.316655] ? smp_reschedule_interrupt+0x109/0x650 [ 263.321675] ? smp_call_function_single_interrupt+0x650/0x650 [ 263.327561] ? interrupt_entry+0xb5/0xf0 [ 263.331629] ? trace_hardirqs_off_caller+0xbb/0x300 [ 263.336648] ? trace_hardirqs_off_caller+0xbb/0x300 [ 263.341685] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.346538] ? trace_hardirqs_off+0x300/0x300 [ 263.351036] ? trace_hardirqs_off+0x300/0x300 [ 263.355535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.361078] ? check_preemption_disabled+0x48/0x200 [ 263.366126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.370986] apic_timer_interrupt+0xf/0x20 [ 263.375218] [ 263.377462] RIP: 0010:console_unlock+0x1017/0x11a0 [ 263.382416] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 263.401338] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 263.409554] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 263.416838] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 263.424105] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 263.431372] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 263.438651] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 263.445951] ? netconsole_netdev_event+0x280/0x280 [ 263.450909] ? console_unlock+0x100e/0x11a0 [ 263.455270] ? devkmsg_read+0xbb0/0xbb0 [ 263.459246] ? vprintk_emit+0x7f7/0x930 [ 263.463240] ? lock_release+0x970/0x970 [ 263.467220] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.472678] ? vprintk_default+0x28/0x30 [ 263.476758] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.482213] ? kasan_check_write+0x14/0x20 [ 263.486450] ? do_raw_spin_lock+0xc1/0x200 [ 263.490701] vprintk_emit+0x33d/0x930 [ 263.494510] ? wake_up_klogd+0x180/0x180 [ 263.498591] ? find_held_lock+0x36/0x1c0 [ 263.502671] ? mark_held_locks+0xc7/0x130 [ 263.506825] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.511623] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.516129] vprintk_default+0x28/0x30 [ 263.520018] vprintk_func+0x7e/0x181 [ 263.523751] printk+0xa7/0xcf [ 263.526860] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 263.531640] ? _raw_spin_unlock_irq+0x60/0x80 [ 263.536164] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 263.541451] dump_header+0x7cc/0xf72 [ 263.545176] ? pagefault_out_of_memory+0x197/0x197 [ 263.550117] ? __lock_acquire+0x7ec/0x4ec0 [ 263.554364] ? print_usage_bug+0xc0/0xc0 [ 263.558436] ? graph_lock+0x170/0x170 [ 263.562243] ? graph_lock+0x170/0x170 [ 263.566045] ? print_usage_bug+0xc0/0xc0 [ 263.570110] ? print_usage_bug+0xc0/0xc0 [ 263.574179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.579726] ? find_held_lock+0x36/0x1c0 [ 263.583795] ? mark_held_locks+0xc7/0x130 [ 263.587950] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 263.593080] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 263.598196] ? lockdep_hardirqs_on+0x421/0x5c0 [ 263.602787] ? trace_hardirqs_on+0xbd/0x310 [ 263.607638] ? kasan_check_read+0x11/0x20 [ 263.611790] ? ___ratelimit+0x36f/0x655 [ 263.615769] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.621223] ? trace_hardirqs_on+0x310/0x310 [ 263.625636] ? lock_downgrade+0x900/0x900 [ 263.629792] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.634901] ? ___ratelimit+0xaa/0x655 [ 263.638803] ? idr_get_free+0xec0/0xec0 [ 263.642782] ? kasan_check_write+0x14/0x20 [ 263.647021] ? do_raw_spin_lock+0xc1/0x200 [ 263.651268] oom_kill_process.cold.27+0x10/0x903 [ 263.656026] ? graph_lock+0x170/0x170 [ 263.659829] ? _raw_spin_unlock+0x2c/0x50 [ 263.663980] ? oom_badness+0xe6/0xaa0 [ 263.667793] ? oom_evaluate_task+0x540/0x540 [ 263.672206] ? find_held_lock+0x36/0x1c0 [ 263.676290] ? out_of_memory+0x974/0x14c0 [ 263.680445] ? lock_downgrade+0x900/0x900 [ 263.684614] ? check_preemption_disabled+0x48/0x200 [ 263.689654] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 263.695456] ? kasan_check_read+0x11/0x20 [ 263.699614] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.704899] ? rcu_bh_qs+0xc0/0xc0 [ 263.708961] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 263.714510] ? oom_evaluate_task+0x302/0x540 [ 263.718948] out_of_memory+0xa86/0x14c0 [ 263.722933] ? oom_killer_disable+0x3a0/0x3a0 [ 263.727433] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 263.732380] ? __mutex_add_waiter+0x2a0/0x2a0 [ 263.736992] __alloc_pages_slowpath+0x2318/0x2d80 [ 263.741872] ? warn_alloc+0x120/0x120 [ 263.745677] ? __radix_tree_lookup+0x4c0/0x4c0 [ 263.750274] ? find_get_entry+0x2f2/0xc40 [ 263.754440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.759980] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 263.764911] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.770541] ? should_fail+0x22d/0xd01 [ 263.774433] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.779537] ? __lock_is_held+0xb5/0x140 [ 263.783637] ? __lock_is_held+0xb5/0x140 [ 263.787707] ? find_held_lock+0x36/0x1c0 [ 263.791804] ? ___might_sleep+0x1ed/0x300 [ 263.795952] ? lock_release+0x970/0x970 [ 263.799931] ? arch_local_save_flags+0x40/0x40 [ 263.804530] ? __might_sleep+0x95/0x190 [ 263.809021] __alloc_pages_nodemask+0xa80/0xde0 [ 263.813707] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.818728] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 263.824531] ? kasan_check_read+0x11/0x20 [ 263.828686] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.833967] ? graph_lock+0x170/0x170 [ 263.837769] ? print_usage_bug+0xc0/0xc0 [ 263.841833] ? graph_lock+0x170/0x170 [ 263.845662] ? graph_lock+0x170/0x170 [ 263.849465] ? __do_page_cache_readahead+0x7ce/0x980 [ 263.854593] ? find_held_lock+0x36/0x1c0 [ 263.858671] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 263.864218] alloc_pages_current+0x10c/0x210 [ 263.868637] ? lock_downgrade+0x900/0x900 [ 263.872802] __page_cache_alloc+0x38f/0x5b0 [ 263.877130] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 263.882928] ? kasan_check_read+0x11/0x20 [ 263.887091] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.892373] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 263.897052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.902609] ? check_preemption_disabled+0x48/0x200 [ 263.908151] filemap_fault+0x1594/0x25f0 [ 263.912228] ? __lock_page_or_retry+0xa00/0xa00 [ 263.916899] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 263.922699] ? kasan_check_read+0x11/0x20 [ 263.926865] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.932143] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 263.937265] ? rcu_bh_qs+0xc0/0xc0 [ 263.940808] ? trace_hardirqs_on+0xbd/0x310 [ 263.945130] ? kasan_check_read+0x11/0x20 [ 263.949279] ? __free_object+0x173/0x340 [ 263.953348] ? filemap_map_pages+0xdea/0x1980 [ 263.957894] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.963012] ? __free_object+0x173/0x340 [ 263.967080] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 263.972360] ? debug_object_free+0x325/0x690 [ 263.976778] ? find_get_pages_range_tag+0x1320/0x1320 [ 263.981975] ? graph_lock+0x170/0x170 [ 263.985798] ? kasan_check_read+0x11/0x20 [ 263.989951] ? debug_object_destroy+0x2b0/0x2b0 [ 263.994634] ? lock_acquire+0x1ed/0x520 [ 263.998621] ? ext4_filemap_fault+0x7a/0xad [ 264.002954] ? lock_release+0x970/0x970 [ 264.007482] ? arch_local_save_flags+0x40/0x40 [ 264.012074] ? futex_wait_setup+0x3e0/0x3e0 [ 264.016421] ? down_read+0xb0/0x1d0 [ 264.020062] ? ext4_filemap_fault+0x7a/0xad [ 264.024414] ? __down_interruptible+0x700/0x700 [ 264.029109] ext4_filemap_fault+0x82/0xad [ 264.033269] __do_fault+0x100/0x6b0 [ 264.036907] ? print_bad_pte+0x6c0/0x6c0 [ 264.040997] ? do_futex+0x249/0x26d0 [ 264.044714] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.050170] ? kasan_check_read+0x11/0x20 [ 264.054320] ? pmd_val+0x88/0x100 [ 264.057777] ? add_mm_counter_fast+0xd0/0xd0 [ 264.062184] ? pmd_val+0x88/0x100 [ 264.065638] ? add_mm_counter_fast+0xd0/0xd0 [ 264.070052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.075613] __handle_mm_fault+0x3709/0x53e0 [ 264.080034] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 264.084881] ? graph_lock+0x170/0x170 [ 264.088714] ? print_usage_bug+0xc0/0xc0 [ 264.092791] ? lockdep_hardirqs_on+0x421/0x5c0 [ 264.097379] ? graph_lock+0x170/0x170 [ 264.101190] ? graph_lock+0x170/0x170 [ 264.105047] ? handle_mm_fault+0x42a/0xc70 [ 264.109808] ? lock_downgrade+0x900/0x900 [ 264.113977] ? check_preemption_disabled+0x48/0x200 [ 264.119019] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 264.124824] ? kasan_check_read+0x11/0x20 [ 264.128979] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.134265] ? rcu_bh_qs+0xc0/0xc0 [ 264.137810] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.143275] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.148822] ? check_preemption_disabled+0x48/0x200 [ 264.153851] handle_mm_fault+0x54f/0xc70 [ 264.157937] ? __handle_mm_fault+0x53e0/0x53e0 [ 264.162531] ? find_vma+0x34/0x190 [ 264.166084] __do_page_fault+0x67d/0xed0 [ 264.170160] ? mm_fault_error+0x380/0x380 [ 264.174322] ? trace_hardirqs_off+0xb8/0x300 [ 264.178770] ? trace_hardirqs_on+0x310/0x310 [ 264.183189] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 264.188561] ? trace_hardirqs_on+0x310/0x310 [ 264.192978] do_page_fault+0xf2/0x7e0 [ 264.196789] ? vmalloc_sync_all+0x30/0x30 [ 264.200942] ? error_entry+0x70/0xd0 [ 264.204663] ? trace_hardirqs_off_caller+0xbb/0x300 [ 264.210167] ? trace_hardirqs_on_caller+0xc0/0x300 [ 264.215105] ? syscall_return_slowpath+0x5e0/0x5e0 [ 264.220042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.224892] ? trace_hardirqs_off+0x300/0x300 [ 264.229409] ? trace_hardirqs_off_caller+0x300/0x300 [ 264.234519] ? prepare_exit_to_usermode+0x291/0x3b0 [ 264.239539] ? page_fault+0x8/0x30 [ 264.243086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.247935] ? page_fault+0x8/0x30 [ 264.251482] page_fault+0x1e/0x30 [ 264.254965] RIP: 0033:0x45ddf3 [ 264.258162] Code: Bad RIP value. [ 264.261524] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 264.266918] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 264.274189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 264.281457] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 264.288727] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 264.296009] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 264.303345] warn_alloc_show_mem: 1 callbacks suppressed [ 264.303361] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 264.303364] Mem-Info: [ 264.303407] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 264.303407] active_file:16 inactive_file:19 isolated_file:0 [ 264.303407] unevictable:0 dirty:0 writeback:0 unstable:0 [ 264.303407] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 264.303407] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 264.303407] free:13708 free_pcp:124 free_cma:0 [ 264.308756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.308765] Call Trace: [ 264.316006] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 264.318421] [ 264.351309] Node 0 [ 264.360707] dump_stack+0x1c4/0x2b4 [ 264.363299] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 264.390962] ? dump_stack_print_info.cold.2+0x52/0x52 [ 264.393128] lowmem_reserve[]: [ 264.395384] warn_alloc.cold.118+0xb7/0x1bd [ 264.398988] 0 2817 [ 264.424515] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.429692] 6321 [ 264.432799] ? lock_downgrade+0x900/0x900 [ 264.437096] 6321 [ 264.439334] ? trace_hardirqs_off+0xb8/0x300 [ 264.444167] Node 0 [ 264.446234] ? trace_hardirqs_off+0xb8/0x300 [ 264.450436] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 264.452475] __alloc_pages_slowpath+0x2667/0x2d80 [ 264.456848] lowmem_reserve[]: 0 [ 264.459119] ? warn_alloc+0x120/0x120 [ 264.463484] 0 [ 264.490473] ? trace_hardirqs_on+0x310/0x310 [ 264.495292] 3503 3503 [ 264.498607] ? warn_alloc+0x120/0x120 [ 264.504230] ? print_usage_bug+0xc0/0xc0 [ 264.509102] Node 0 [ 264.511599] ? warn_alloc+0x120/0x120 [ 264.515423] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 264.519453] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 264.521666] lowmem_reserve[]: [ 264.525479] ? print_usage_bug+0xc0/0xc0 [ 264.553679] 0 [ 264.558716] ? __lock_acquire+0x7ec/0x4ec0 [ 264.561798] 0 [ 264.565861] ? __lock_acquire+0x7ec/0x4ec0 [ 264.567643] 0 [ 264.571912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.573684] 0 [ 264.577921] ? should_fail+0x22d/0xd01 [ 264.585258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.587039] Node 0 [ 264.590927] ? __lock_acquire+0x7ec/0x4ec0 [ 264.596008] DMA: [ 264.598245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.602454] 1*4kB [ 264.604509] ? __lock_acquire+0x7ec/0x4ec0 [ 264.610051] (U) 0*8kB [ 264.612216] ? should_fail+0x22d/0xd01 [ 264.616425] 0*16kB [ 264.618924] ? print_usage_bug+0xc0/0xc0 [ 264.622798] 1*32kB [ 264.625052] ? mark_held_locks+0x130/0x130 [ 264.629084] (U) [ 264.631325] ? mark_held_locks+0x130/0x130 [ 264.635581] 2*64kB (U) [ 264.637580] ? graph_lock+0x170/0x170 [ 264.641805] 1*128kB [ 264.644389] ? print_usage_bug+0xc0/0xc0 [ 264.648182] (U) [ 264.650510] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.654543] 1*256kB [ 264.656512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.661256] (U) [ 264.663589] ? check_preemption_disabled+0x48/0x200 [ 264.669132] 0*512kB [ 264.671112] ? check_preemption_disabled+0x48/0x200 [ 264.676104] 1*1024kB [ 264.678434] ? __lock_is_held+0xb5/0x140 [ 264.683421] (U) [ 264.685837] __alloc_pages_nodemask+0xa80/0xde0 [ 264.689866] 1*2048kB (M) [ 264.691855] ? graph_lock+0x170/0x170 [ 264.696513] 3*4096kB [ 264.699271] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 264.703048] (M) [ 264.705460] ? graph_lock+0x170/0x170 [ 264.710925] = 15908kB [ 264.712927] ? find_held_lock+0x36/0x1c0 [ 264.716695] Node 0 [ 264.719110] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.723140] DMA32: [ 264.725376] ? lock_downgrade+0x900/0x900 [ 264.730027] 3*4kB [ 264.732272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.736396] (UM) [ 264.738554] cache_grow_begin+0x91/0x8c0 [ 264.744058] 2*8kB (M) [ 264.746147] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.750186] 3*16kB [ 264.752690] fallback_alloc+0x203/0x2e0 [ 264.757070] (UM) [ 264.759309] ____cache_alloc_node+0x1c7/0x1e0 [ 264.763268] 3*32kB [ 264.765336] kmem_cache_alloc_node+0xe3/0x730 [ 264.769804] (M) [ 264.772043] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.776519] 3*64kB [ 264.778502] __alloc_skb+0x119/0x770 [ 264.782708] (UM) [ 264.784948] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.788635] 4*128kB [ 264.790702] ? skb_scrub_packet+0x490/0x490 [ 264.795954] (UM) [ 264.798285] ? lock_downgrade+0x900/0x900 [ 264.802577] 3*256kB (M) [ 264.804660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.809272] 4*512kB (M) [ 264.811961] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.817473] 3*1024kB (UM) [ 264.820166] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.825594] 1*2048kB [ 264.828443] ? addrconf_rs_timer+0x6f0/0x6f0 [ 264.833868] (M) [ 264.836326] ndisc_alloc_skb+0x144/0x340 [ 264.840707] 4*4096kB [ 264.842687] ndisc_send_rs+0x331/0x6e0 [ 264.846717] (M) [ 264.849131] addrconf_rs_timer+0x3c0/0x6f0 [ 264.852991] = 25196kB [ 264.854967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.859182] Node 0 [ 264.861607] call_timer_fn+0x272/0x920 [ 264.865817] Normal: [ 264.868057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.871923] 852*4kB [ 264.874246] ? process_timeout+0x40/0x40 [ 264.878456] (UMEH) [ 264.880779] ? find_held_lock+0x36/0x1c0 [ 264.884820] 324*8kB [ 264.887058] ? __run_timers+0x7da/0xc70 [ 264.891093] (UMEH) [ 264.893425] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.897398] 169*16kB [ 264.899630] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.904105] (UMEH) [ 264.906514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.911439] 81*32kB (UMEH) [ 264.913686] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 264.917905] 31*64kB [ 264.920834] ? trace_hardirqs_on+0xbd/0x310 [ 264.925396] (UMH) [ 264.927716] ? kasan_check_read+0x11/0x20 [ 264.932010] 3*128kB (H) 1*256kB [ 264.934197] ? __run_timers+0x7da/0xc70 [ 264.938319] (H) [ 264.941700] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.945648] 0*512kB 0*1024kB [ 264.947639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.953065] 0*2048kB [ 264.956173] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.960381] 0*4096kB [ 264.962792] __run_timers+0x7e5/0xc70 [ 264.967006] = 13920kB [ 264.969429] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 264.973204] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 264.975609] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 264.980963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 264.989802] ? graph_lock+0x170/0x170 [ 264.994804] 414 total pagecache pages [ 265.003872] ? enqueue_hrtimer+0x1a5/0x560 [ 265.007872] 0 pages in swap cache [ 265.011668] ? lock_release+0x970/0x970 [ 265.015913] Swap cache stats: add 0, delete 0, find 0/0 [ 265.019369] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.023325] Free swap = 0kB [ 265.028690] ? find_held_lock+0x36/0x1c0 [ 265.033857] Total swap = 0kB [ 265.036880] ? graph_lock+0x170/0x170 [ 265.040922] 1965979 pages RAM [ 265.043937] ? pvclock_read_flags+0x160/0x160 [ 265.047717] 0 pages HighMem/MovableOnly [ 265.047726] 342744 pages reserved [ 265.050844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.055318] 0 pages cma reserved [ 265.055413] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.059309] ? check_preemption_disabled+0x48/0x200 [ 265.059333] ? __lock_is_held+0xb5/0x140 [ 265.059355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.062860] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.068342] ? check_preemption_disabled+0x48/0x200 [ 265.071690] syz-fuzzer cpuset= [ 265.078203] run_timer_softirq+0x52/0xb0 [ 265.083205] / [ 265.087279] ? rcu_read_lock_sched_held+0x108/0x120 [ 265.092815] mems_allowed=0 [ 265.103179] __do_softirq+0x30b/0xad8 [ 265.103195] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.103207] ? pvclock_read_flags+0x160/0x160 [ 265.103215] ? lapic_next_event+0x5a/0x90 [ 265.103224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.103235] ? check_preemption_disabled+0x48/0x200 [ 265.103242] ? check_preemption_disabled+0x48/0x200 [ 265.103253] ? kvm_clock_read+0x18/0x30 [ 265.103261] ? kvm_sched_clock_read+0x9/0x20 [ 265.103270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.103278] ? check_preemption_disabled+0x48/0x200 [ 265.103292] irq_exit+0x17f/0x1c0 [ 265.103301] smp_apic_timer_interrupt+0x1cb/0x760 [ 265.103309] ? smp_reschedule_interrupt+0x109/0x650 [ 265.103317] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.103325] ? interrupt_entry+0xb5/0xf0 [ 265.103334] ? trace_hardirqs_off_caller+0xbb/0x300 [ 265.103356] ? trace_hardirqs_off_caller+0xbb/0x300 [ 265.103378] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.103386] ? trace_hardirqs_off+0x300/0x300 [ 265.103394] ? trace_hardirqs_off+0x300/0x300 [ 265.103406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.103418] ? check_preemption_disabled+0x48/0x200 [ 265.103446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.240824] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.245721] apic_timer_interrupt+0xf/0x20 [ 265.249951] [ 265.252201] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 265.257131] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 265.276034] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 265.283765] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 265.291046] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 265.298312] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 265.305577] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 265.312957] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 265.320276] skb_clone+0x1bb/0x500 [ 265.323822] ? finish_task_switch+0x2f5/0x900 [ 265.328323] ? skb_split+0x11e0/0x11e0 [ 265.332213] ? preempt_notifier_register+0x200/0x200 [ 265.337316] ? __switch_to_asm+0x34/0x70 [ 265.341378] ? __switch_to_asm+0x34/0x70 [ 265.345438] ? __switch_to_asm+0x40/0x70 [ 265.349499] ? __switch_to_asm+0x34/0x70 [ 265.353561] ? __switch_to_asm+0x40/0x70 [ 265.357665] ? __switch_to_asm+0x34/0x70 [ 265.361723] ? __switch_to_asm+0x40/0x70 [ 265.365783] ? __switch_to_asm+0x34/0x70 [ 265.369860] ? __switch_to_asm+0x34/0x70 [ 265.373941] ? __switch_to_asm+0x40/0x70 [ 265.377996] ? __switch_to_asm+0x34/0x70 [ 265.382076] bpf_clone_redirect+0xb9/0x490 [ 265.386311] ? __schedule+0x874/0x1ed0 [ 265.390203] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 265.395247] ? __sched_text_start+0x8/0x8 [ 265.399404] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.404177] ? find_held_lock+0x36/0x1c0 [ 265.408253] ? lock_acquire+0x1ed/0x520 [ 265.412233] ? bpf_test_run+0x32e/0x5a0 [ 265.416230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.421797] ? check_preemption_disabled+0x48/0x200 [ 265.426823] ? kasan_check_read+0x11/0x20 [ 265.430976] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.436251] ? rcu_bh_qs+0xc0/0xc0 [ 265.439794] ? preempt_schedule+0x4d/0x60 [ 265.443948] ? ___preempt_schedule+0x16/0x18 [ 265.448374] ? bpf_test_run+0x1c0/0x5a0 [ 265.452377] ? netlink_diag_dump+0x2a0/0x2a0 [ 265.456801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.462351] ? bpf_test_init.isra.9+0x70/0x100 [ 265.466945] ? bpf_prog_test_run_skb+0x634/0xb40 [ 265.471720] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 265.476579] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 265.482143] ? fput+0x130/0x1a0 [ 265.485442] ? __bpf_prog_get+0x9b/0x290 [ 265.489509] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 265.494351] ? bpf_prog_test_run+0x130/0x1a0 [ 265.498766] ? __x64_sys_bpf+0x3d8/0x510 [ 265.502831] ? bpf_prog_get+0x20/0x20 [ 265.506649] ? ksys_ioctl+0x81/0xd0 [ 265.510302] ? do_syscall_64+0x1b9/0x820 [ 265.514365] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 265.519748] ? syscall_return_slowpath+0x5e0/0x5e0 [ 265.524683] ? trace_hardirqs_off+0x300/0x300 [ 265.529185] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 265.534204] ? recalc_sigpending_tsk+0x180/0x180 [ 265.538972] ? kasan_check_write+0x14/0x20 [ 265.543217] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.548073] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 265.553477] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 265.553553] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.560427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.560433] Call Trace: [ 265.560440] [ 265.560457] dump_stack+0x1c4/0x2b4 [ 265.560473] ? dump_stack_print_info.cold.2+0x52/0x52 [ 265.560501] warn_alloc.cold.118+0xb7/0x1bd [ 265.567027] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.576358] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.578923] syz-executor7 cpuset= [ 265.581072] ? lock_downgrade+0x900/0x900 [ 265.584673] syz7 [ 265.589864] ? trace_hardirqs_off+0xb8/0x300 [ 265.594161] mems_allowed=0 [ 265.604682] ? trace_hardirqs_off+0xb8/0x300 [ 265.630786] __alloc_pages_slowpath+0x2667/0x2d80 [ 265.635668] ? warn_alloc+0x120/0x120 [ 265.639480] ? warn_alloc+0x120/0x120 [ 265.643285] ? print_usage_bug+0xc0/0xc0 [ 265.647346] ? warn_alloc+0x120/0x120 [ 265.651146] ? print_usage_bug+0xc0/0xc0 [ 265.655209] ? __lock_acquire+0x7ec/0x4ec0 [ 265.659462] ? __lock_acquire+0x7ec/0x4ec0 [ 265.663702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.669255] ? should_fail+0x22d/0xd01 [ 265.673157] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.678271] ? __lock_acquire+0x7ec/0x4ec0 [ 265.682510] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.687619] ? __lock_acquire+0x7ec/0x4ec0 [ 265.691851] ? should_fail+0x22d/0xd01 [ 265.695776] ? mark_held_locks+0x130/0x130 [ 265.700030] ? mark_held_locks+0x130/0x130 [ 265.704280] ? graph_lock+0x170/0x170 [ 265.708608] ? graph_lock+0x170/0x170 [ 265.712414] ? graph_lock+0x170/0x170 [ 265.716212] ? print_usage_bug+0xc0/0xc0 [ 265.720272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.725819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.731380] ? check_preemption_disabled+0x48/0x200 [ 265.736425] ? check_preemption_disabled+0x48/0x200 [ 265.741490] ? __lock_is_held+0xb5/0x140 [ 265.745589] __alloc_pages_nodemask+0xa80/0xde0 [ 265.750314] ? graph_lock+0x170/0x170 [ 265.754143] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 265.759160] ? graph_lock+0x170/0x170 [ 265.762977] ? find_held_lock+0x36/0x1c0 [ 265.767070] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.771745] ? lock_downgrade+0x900/0x900 [ 265.775904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.781465] cache_grow_begin+0x91/0x8c0 [ 265.785568] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.790009] fallback_alloc+0x203/0x2e0 [ 265.793994] ____cache_alloc_node+0x1c7/0x1e0 [ 265.798498] kmem_cache_alloc_node+0xe3/0x730 [ 265.802997] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.807722] __alloc_skb+0x119/0x770 [ 265.811468] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.816762] ? skb_scrub_packet+0x490/0x490 [ 265.821096] ? lock_downgrade+0x900/0x900 [ 265.825258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.830799] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.836271] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.841728] ? addrconf_rs_timer+0x6f0/0x6f0 [ 265.846183] ndisc_alloc_skb+0x144/0x340 [ 265.850263] ndisc_send_rs+0x331/0x6e0 [ 265.854165] addrconf_rs_timer+0x3c0/0x6f0 [ 265.858413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.862666] call_timer_fn+0x272/0x920 [ 265.866554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.870792] ? process_timeout+0x40/0x40 [ 265.874852] ? find_held_lock+0x36/0x1c0 [ 265.878926] ? mark_held_locks+0xc7/0x130 [ 265.883080] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.887610] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.892119] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.896353] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 265.900938] ? trace_hardirqs_on+0xbd/0x310 [ 265.905260] ? kasan_check_read+0x11/0x20 [ 265.909910] ? __run_timers+0x7da/0xc70 [ 265.913887] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.919344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.923636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.927885] __run_timers+0x7e5/0xc70 [ 265.931740] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 265.937127] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 265.942180] ? graph_lock+0x170/0x170 [ 265.946163] ? print_usage_bug+0xc0/0xc0 [ 265.950227] ? lock_release+0x970/0x970 [ 265.954219] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.959419] ? find_held_lock+0x36/0x1c0 [ 265.963488] ? graph_lock+0x170/0x170 [ 265.967307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.972856] ? check_preemption_disabled+0x48/0x200 [ 265.977886] ? __lock_is_held+0xb5/0x140 [ 265.981967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.987548] ? check_preemption_disabled+0x48/0x200 [ 265.992578] run_timer_softirq+0x52/0xb0 [ 265.996654] ? rcu_read_lock_sched_held+0x108/0x120 [ 266.001674] __do_softirq+0x30b/0xad8 [ 266.005487] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 266.011114] ? pvclock_read_flags+0x160/0x160 [ 266.015615] ? lapic_next_event+0x5a/0x90 [ 266.019781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.025347] ? check_preemption_disabled+0x48/0x200 [ 266.030362] ? check_preemption_disabled+0x48/0x200 [ 266.035410] ? kvm_clock_read+0x18/0x30 [ 266.039406] ? kvm_sched_clock_read+0x9/0x20 [ 266.043820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.049364] ? check_preemption_disabled+0x48/0x200 [ 266.054417] irq_exit+0x17f/0x1c0 [ 266.057876] smp_apic_timer_interrupt+0x1cb/0x760 [ 266.062726] ? smp_reschedule_interrupt+0x109/0x650 [ 266.067750] ? smp_call_function_single_interrupt+0x650/0x650 [ 266.073659] ? interrupt_entry+0xb5/0xf0 [ 266.077749] ? trace_hardirqs_off_caller+0xbb/0x300 [ 266.082769] ? trace_hardirqs_off_caller+0xbb/0x300 [ 266.087793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.092646] ? trace_hardirqs_off+0x300/0x300 [ 266.097144] ? trace_hardirqs_off+0x300/0x300 [ 266.101646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.107635] ? check_preemption_disabled+0x48/0x200 [ 266.112667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.117522] apic_timer_interrupt+0xf/0x20 [ 266.121751] [ 266.123993] RIP: 0010:console_unlock+0x1017/0x11a0 [ 266.128924] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 266.147826] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 266.155536] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 266.162804] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 266.170073] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 266.177348] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 266.184620] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 266.191900] ? netconsole_netdev_event+0x280/0x280 [ 266.196842] ? console_unlock+0x100e/0x11a0 [ 266.201189] ? devkmsg_read+0xbb0/0xbb0 [ 266.205164] ? vprintk_emit+0x7f7/0x930 [ 266.209635] ? lock_release+0x970/0x970 [ 266.213621] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.219076] ? vprintk_default+0x28/0x30 [ 266.223156] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.228617] ? kasan_check_write+0x14/0x20 [ 266.232852] ? do_raw_spin_lock+0xc1/0x200 [ 266.237098] vprintk_emit+0x33d/0x930 [ 266.240922] ? wake_up_klogd+0x180/0x180 [ 266.244990] ? find_held_lock+0x36/0x1c0 [ 266.249057] ? mark_held_locks+0xc7/0x130 [ 266.253225] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.257720] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.262228] vprintk_default+0x28/0x30 [ 266.266116] vprintk_func+0x7e/0x181 [ 266.269835] printk+0xa7/0xcf [ 266.272946] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 266.277722] ? _raw_spin_unlock_irq+0x60/0x80 [ 266.282229] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 266.287514] dump_header+0x7cc/0xf72 [ 266.291244] ? pagefault_out_of_memory+0x197/0x197 [ 266.296181] ? __lock_acquire+0x7ec/0x4ec0 [ 266.300432] ? print_usage_bug+0xc0/0xc0 [ 266.304499] ? graph_lock+0x170/0x170 [ 266.308749] ? graph_lock+0x170/0x170 [ 266.312551] ? print_usage_bug+0xc0/0xc0 [ 266.316622] ? print_usage_bug+0xc0/0xc0 [ 266.320687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.326229] ? find_held_lock+0x36/0x1c0 [ 266.330303] ? mark_held_locks+0xc7/0x130 [ 266.334452] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 266.339557] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 266.344662] ? lockdep_hardirqs_on+0x421/0x5c0 [ 266.349274] ? trace_hardirqs_on+0xbd/0x310 [ 266.353606] ? kasan_check_read+0x11/0x20 [ 266.357758] ? ___ratelimit+0x36f/0x655 [ 266.361736] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.367188] ? trace_hardirqs_on+0x310/0x310 [ 266.371608] ? lock_downgrade+0x900/0x900 [ 266.375766] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.380883] ? ___ratelimit+0xaa/0x655 [ 266.384888] ? idr_get_free+0xec0/0xec0 [ 266.388869] ? kasan_check_write+0x14/0x20 [ 266.393134] ? do_raw_spin_lock+0xc1/0x200 [ 266.397378] oom_kill_process.cold.27+0x10/0x903 [ 266.402180] ? graph_lock+0x170/0x170 [ 266.405981] ? _raw_spin_unlock+0x2c/0x50 [ 266.410607] ? oom_badness+0xe6/0xaa0 [ 266.414419] ? oom_evaluate_task+0x540/0x540 [ 266.418843] ? find_held_lock+0x36/0x1c0 [ 266.422912] ? out_of_memory+0x974/0x14c0 [ 266.427065] ? lock_downgrade+0x900/0x900 [ 266.431215] ? check_preemption_disabled+0x48/0x200 [ 266.436243] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.442046] ? kasan_check_read+0x11/0x20 [ 266.446200] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.451480] ? rcu_bh_qs+0xc0/0xc0 [ 266.455039] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 266.460575] ? oom_evaluate_task+0x302/0x540 [ 266.465035] out_of_memory+0xa86/0x14c0 [ 266.469019] ? oom_killer_disable+0x3a0/0x3a0 [ 266.473515] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 266.478461] ? __mutex_add_waiter+0x2a0/0x2a0 [ 266.482971] __alloc_pages_slowpath+0x2318/0x2d80 [ 266.487844] ? warn_alloc+0x120/0x120 [ 266.491667] ? __radix_tree_lookup+0x4c0/0x4c0 [ 266.496265] ? find_get_entry+0x2f2/0xc40 [ 266.500423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.505972] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 266.511356] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.516902] ? should_fail+0x22d/0xd01 [ 266.520797] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.525914] ? __lock_is_held+0xb5/0x140 [ 266.530035] ? __lock_is_held+0xb5/0x140 [ 266.534111] ? find_held_lock+0x36/0x1c0 [ 266.538184] ? ___might_sleep+0x1ed/0x300 [ 266.542332] ? lock_release+0x970/0x970 [ 266.546353] ? arch_local_save_flags+0x40/0x40 [ 266.550970] ? __might_sleep+0x95/0x190 [ 266.554954] __alloc_pages_nodemask+0xa80/0xde0 [ 266.559637] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 266.564672] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.570471] ? kasan_check_read+0x11/0x20 [ 266.574630] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.579926] ? graph_lock+0x170/0x170 [ 266.583734] ? print_usage_bug+0xc0/0xc0 [ 266.587799] ? graph_lock+0x170/0x170 [ 266.591596] ? graph_lock+0x170/0x170 [ 266.595411] ? __do_page_cache_readahead+0x7ce/0x980 [ 266.600543] ? find_held_lock+0x36/0x1c0 [ 266.604631] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 266.610670] alloc_pages_current+0x10c/0x210 [ 266.615083] ? lock_downgrade+0x900/0x900 [ 266.619237] __page_cache_alloc+0x38f/0x5b0 [ 266.623561] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.629362] ? kasan_check_read+0x11/0x20 [ 266.633520] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.638823] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 266.643496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.649052] ? check_preemption_disabled+0x48/0x200 [ 266.654080] filemap_fault+0x1594/0x25f0 [ 266.658159] ? __lock_page_or_retry+0xa00/0xa00 [ 266.662849] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.668661] ? kasan_check_read+0x11/0x20 [ 266.672812] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.678099] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 266.683207] ? rcu_bh_qs+0xc0/0xc0 [ 266.686754] ? trace_hardirqs_on+0xbd/0x310 [ 266.691076] ? kasan_check_read+0x11/0x20 [ 266.695223] ? __free_object+0x173/0x340 [ 266.699296] ? filemap_map_pages+0xdea/0x1980 [ 266.703820] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.709129] ? __free_object+0x173/0x340 [ 266.713195] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 266.718478] ? debug_object_free+0x325/0x690 [ 266.722896] ? find_get_pages_range_tag+0x1320/0x1320 [ 266.728119] ? graph_lock+0x170/0x170 [ 266.732099] ? kasan_check_read+0x11/0x20 [ 266.736254] ? debug_object_destroy+0x2b0/0x2b0 [ 266.740936] ? lock_acquire+0x1ed/0x520 [ 266.744917] ? ext4_filemap_fault+0x7a/0xad [ 266.749251] ? lock_release+0x970/0x970 [ 266.753234] ? arch_local_save_flags+0x40/0x40 [ 266.757824] ? futex_wait_setup+0x3e0/0x3e0 [ 266.762166] ? down_read+0xb0/0x1d0 [ 266.765795] ? ext4_filemap_fault+0x7a/0xad [ 266.770118] ? __down_interruptible+0x700/0x700 [ 266.774812] ext4_filemap_fault+0x82/0xad [ 266.778966] __do_fault+0x100/0x6b0 [ 266.782608] ? print_bad_pte+0x6c0/0x6c0 [ 266.786695] ? do_futex+0x249/0x26d0 [ 266.790415] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.795871] ? kasan_check_read+0x11/0x20 [ 266.800049] ? pmd_val+0x88/0x100 [ 266.803509] ? add_mm_counter_fast+0xd0/0xd0 [ 266.808409] ? pmd_val+0x88/0x100 [ 266.811868] ? add_mm_counter_fast+0xd0/0xd0 [ 266.816290] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.821835] __handle_mm_fault+0x3709/0x53e0 [ 266.826256] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 266.831115] ? graph_lock+0x170/0x170 [ 266.834926] ? print_usage_bug+0xc0/0xc0 [ 266.838989] ? lockdep_hardirqs_on+0x421/0x5c0 [ 266.843577] ? graph_lock+0x170/0x170 [ 266.847388] ? graph_lock+0x170/0x170 [ 266.851222] ? handle_mm_fault+0x42a/0xc70 [ 266.855466] ? lock_downgrade+0x900/0x900 [ 266.859628] ? check_preemption_disabled+0x48/0x200 [ 266.864658] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.870463] ? kasan_check_read+0x11/0x20 [ 266.874623] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.879903] ? rcu_bh_qs+0xc0/0xc0 [ 266.883447] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.888905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.894462] ? check_preemption_disabled+0x48/0x200 [ 266.899494] handle_mm_fault+0x54f/0xc70 [ 266.903579] ? __handle_mm_fault+0x53e0/0x53e0 [ 266.908692] ? find_vma+0x34/0x190 [ 266.912244] __do_page_fault+0x67d/0xed0 [ 266.916319] ? mm_fault_error+0x380/0x380 [ 266.920470] ? trace_hardirqs_off+0xb8/0x300 [ 266.924882] ? trace_hardirqs_on+0x310/0x310 [ 266.929299] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 266.934683] ? trace_hardirqs_on+0x310/0x310 [ 266.939100] do_page_fault+0xf2/0x7e0 [ 266.942907] ? vmalloc_sync_all+0x30/0x30 [ 266.947062] ? error_entry+0x70/0xd0 [ 266.950783] ? trace_hardirqs_off_caller+0xbb/0x300 [ 266.955808] ? trace_hardirqs_on_caller+0xc0/0x300 [ 266.960740] ? syscall_return_slowpath+0x5e0/0x5e0 [ 266.965670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.970514] ? trace_hardirqs_off+0x300/0x300 [ 266.975009] ? trace_hardirqs_off_caller+0x300/0x300 [ 266.980121] ? prepare_exit_to_usermode+0x291/0x3b0 [ 266.985138] ? page_fault+0x8/0x30 [ 266.988682] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.993544] ? page_fault+0x8/0x30 [ 266.997315] page_fault+0x1e/0x30 [ 267.000773] RIP: 0033:0x45ddf3 [ 267.003968] Code: Bad RIP value. [ 267.007667] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 267.013041] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 267.020308] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 267.027582] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 267.034854] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 267.042141] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 267.049437] warn_alloc_show_mem: 1 callbacks suppressed [ 267.049449] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 267.049451] Mem-Info: [ 267.049482] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 267.049482] active_file:16 inactive_file:19 isolated_file:0 [ 267.049482] unevictable:0 dirty:0 writeback:0 unstable:0 [ 267.049482] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 267.049482] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 267.049482] free:13708 free_pcp:124 free_cma:0 [ 267.054825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.062020] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 267.064435] Call Trace: [ 267.097308] Node 0 [ 267.106867] [ 267.135075] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 267.137658] dump_stack+0x1c4/0x2b4 [ 267.139955] lowmem_reserve[]: 0 [ 267.142110] ? dump_stack_print_info.cold.2+0x52/0x52 [ 267.167589] 2817 [ 267.171220] warn_alloc.cold.118+0xb7/0x1bd [ 267.174470] 6321 [ 267.179689] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 267.181737] 6321 [ 267.186054] ? lock_downgrade+0x900/0x900 [ 267.192945] ? trace_hardirqs_off+0xb8/0x300 [ 267.194988] Node 0 [ 267.199132] ? trace_hardirqs_off+0xb8/0x300 [ 267.203538] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 267.205753] __alloc_pages_slowpath+0x2667/0x2d80 [ 267.210646] lowmem_reserve[]: 0 [ 267.237660] ? warn_alloc+0x120/0x120 [ 267.242459] 0 [ 267.245737] ? warn_alloc+0x120/0x120 [ 267.249513] 3503 [ 267.251318] ? print_usage_bug+0xc0/0xc0 [ 267.255096] 3503 [ 267.257158] ? warn_alloc+0x120/0x120 [ 267.261202] Node 0 [ 267.263262] ? print_usage_bug+0xc0/0xc0 [ 267.267082] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 267.269291] ? __lock_acquire+0x7ec/0x4ec0 [ 267.273328] lowmem_reserve[]: 0 [ 267.301563] ? __lock_acquire+0x7ec/0x4ec0 [ 267.305781] 0 [ 267.309064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.313278] 0 [ 267.315078] ? should_fail+0x22d/0xd01 [ 267.320593] 0 [ 267.322398] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.328069] ? __lock_acquire+0x7ec/0x4ec0 [ 267.333166] Node 0 DMA: [ 267.337403] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.337419] ? __lock_acquire+0x7ec/0x4ec0 [ 267.340071] 1*4kB [ 267.345168] ? should_fail+0x22d/0xd01 [ 267.349380] (U) [ 267.351545] ? mark_held_locks+0x130/0x130 [ 267.355407] 0*8kB [ 267.357377] ? mark_held_locks+0x130/0x130 [ 267.361605] 0*16kB [ 267.363746] ? graph_lock+0x170/0x170 [ 267.367957] 1*32kB (U) [ 267.370204] ? graph_lock+0x170/0x170 [ 267.373997] 2*64kB [ 267.376596] ? graph_lock+0x170/0x170 [ 267.380383] (U) [ 267.382612] ? print_usage_bug+0xc0/0xc0 [ 267.382630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.386413] 1*128kB [ 267.388398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.392437] (U) [ 267.397990] ? check_preemption_disabled+0x48/0x200 [ 267.400292] 1*256kB [ 267.405825] ? check_preemption_disabled+0x48/0x200 [ 267.408224] (U) [ 267.413257] ? __lock_is_held+0xb5/0x140 [ 267.415554] 0*512kB [ 267.420565] __alloc_pages_nodemask+0xa80/0xde0 [ 267.422521] 1*1024kB [ 267.426594] ? graph_lock+0x170/0x170 [ 267.428928] (U) [ 267.433593] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 267.435989] 1*2048kB [ 267.439796] ? graph_lock+0x170/0x170 [ 267.441762] (M) [ 267.446782] ? find_held_lock+0x36/0x1c0 [ 267.449168] 3*4096kB [ 267.452971] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.454923] (M) [ 267.458980] ? lock_downgrade+0x900/0x900 [ 267.461375] = 15908kB [ 267.466042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.467992] Node 0 [ 267.472140] cache_grow_begin+0x91/0x8c0 [ 267.474529] DMA32: [ 267.480061] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.482277] 3*4kB [ 267.486338] fallback_alloc+0x203/0x2e0 [ 267.488548] (UM) [ 267.492989] ____cache_alloc_node+0x1c7/0x1e0 [ 267.495123] 2*8kB (M) [ 267.499109] kmem_cache_alloc_node+0xe3/0x730 [ 267.501145] 3*16kB (UM) [ 267.505650] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.508586] 3*32kB (M) [ 267.513099] __alloc_skb+0x119/0x770 [ 267.515743] 3*64kB [ 267.519990] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.522553] (UM) [ 267.526267] ? skb_scrub_packet+0x490/0x490 [ 267.528523] 4*128kB (UM) [ 267.533810] ? lock_downgrade+0x900/0x900 [ 267.535849] 3*256kB (M) [ 267.540182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.542947] 4*512kB [ 267.547092] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.549742] (M) [ 267.555286] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.557608] 3*1024kB [ 267.563050] ? addrconf_rs_timer+0x6f0/0x6f0 [ 267.565003] (UM) [ 267.570460] ndisc_alloc_skb+0x144/0x340 [ 267.572838] 1*2048kB (M) [ 267.577254] ndisc_send_rs+0x331/0x6e0 [ 267.579293] 4*4096kB (M) [ 267.583361] addrconf_rs_timer+0x3c0/0x6f0 [ 267.586099] = 25196kB [ 267.589983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.592724] Node 0 [ 267.596975] call_timer_fn+0x272/0x920 [ 267.599354] Normal: [ 267.603584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.605809] 852*4kB [ 267.609707] ? process_timeout+0x40/0x40 [ 267.612035] (UMEH) 324*8kB [ 267.616314] ? find_held_lock+0x36/0x1c0 [ 267.618643] (UMEH) [ 267.622719] ? __run_timers+0x7da/0xc70 [ 267.625650] 169*16kB [ 267.629716] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.631929] (UMEH) [ 267.635905] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.638294] 81*32kB [ 267.642790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.645007] (UMEH) [ 267.649499] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 267.651803] 31*64kB [ 267.656037] ? trace_hardirqs_on+0xbd/0x310 [ 267.658252] (UMH) [ 267.662831] ? kasan_check_read+0x11/0x20 [ 267.665136] 3*128kB [ 267.669459] ? __run_timers+0x7da/0xc70 [ 267.671584] (H) [ 267.675728] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.678030] 1*256kB [ 267.682001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.683955] (H) [ 267.689410] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.691716] 0*512kB [ 267.695949] __run_timers+0x7e5/0xc70 [ 267.697900] 0*1024kB 0*2048kB [ 267.702150] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 267.704468] 0*4096kB [ 267.708268] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.711438] = 13920kB [ 267.711453] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 267.716807] ? graph_lock+0x170/0x170 [ 267.719204] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 267.724209] ? enqueue_hrtimer+0x1a5/0x560 [ 267.726609] 414 total pagecache pages [ 267.735432] ? lock_release+0x970/0x970 [ 267.739219] 0 pages in swap cache [ 267.747778] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 267.751997] Swap cache stats: add 0, delete 0, find 0/0 [ 267.752006] Free swap = 0kB [ 267.755802] ? find_held_lock+0x36/0x1c0 [ 267.759763] Total swap = 0kB [ 267.759772] 1965979 pages RAM [ 267.763221] ? graph_lock+0x170/0x170 [ 267.768402] 0 pages HighMem/MovableOnly [ 267.768411] 342744 pages reserved [ 267.773768] ? pvclock_read_flags+0x160/0x160 [ 267.776768] 0 pages cma reserved [ 267.780835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.783947] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 267.786954] ? check_preemption_disabled+0x48/0x200 [ 267.790818] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.794721] ? __lock_is_held+0xb5/0x140 [ 267.798147] syz-fuzzer cpuset= [ 267.802641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.805986] / [ 267.811523] ? check_preemption_disabled+0x48/0x200 [ 267.818011] mems_allowed=0 [ 267.823037] run_timer_softirq+0x52/0xb0 [ 267.859674] ? rcu_read_lock_sched_held+0x108/0x120 [ 267.864727] __do_softirq+0x30b/0xad8 [ 267.868537] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 267.873645] ? pvclock_read_flags+0x160/0x160 [ 267.878144] ? lapic_next_event+0x5a/0x90 [ 267.882298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.887843] ? check_preemption_disabled+0x48/0x200 [ 267.892862] ? check_preemption_disabled+0x48/0x200 [ 267.897908] ? kvm_clock_read+0x18/0x30 [ 267.901907] ? kvm_sched_clock_read+0x9/0x20 [ 267.906319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.911862] ? check_preemption_disabled+0x48/0x200 [ 267.916901] irq_exit+0x17f/0x1c0 [ 267.920360] smp_apic_timer_interrupt+0x1cb/0x760 [ 267.925221] ? smp_reschedule_interrupt+0x109/0x650 [ 267.930280] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.936200] ? interrupt_entry+0xb5/0xf0 [ 267.940269] ? trace_hardirqs_off_caller+0xbb/0x300 [ 267.945296] ? trace_hardirqs_off_caller+0xbb/0x300 [ 267.950322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.955166] ? trace_hardirqs_off+0x300/0x300 [ 267.959658] ? trace_hardirqs_off+0x300/0x300 [ 267.964156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.969699] ? check_preemption_disabled+0x48/0x200 [ 267.974728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.980280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.985133] apic_timer_interrupt+0xf/0x20 [ 267.989364] [ 267.991602] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 267.996540] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 268.015442] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 268.023155] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 268.030426] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 268.037703] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 268.044972] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 268.052260] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 268.059570] skb_clone+0x1bb/0x500 [ 268.063128] ? finish_task_switch+0x2f5/0x900 [ 268.067636] ? skb_split+0x11e0/0x11e0 [ 268.071527] ? preempt_notifier_register+0x200/0x200 [ 268.076635] ? __switch_to_asm+0x34/0x70 [ 268.080698] ? __switch_to_asm+0x34/0x70 [ 268.084758] ? __switch_to_asm+0x40/0x70 [ 268.088818] ? __switch_to_asm+0x34/0x70 [ 268.092878] ? __switch_to_asm+0x40/0x70 [ 268.096943] ? __switch_to_asm+0x34/0x70 [ 268.101008] ? __switch_to_asm+0x40/0x70 [ 268.105071] ? __switch_to_asm+0x34/0x70 [ 268.109231] ? __switch_to_asm+0x34/0x70 [ 268.113291] ? __switch_to_asm+0x40/0x70 [ 268.117351] ? __switch_to_asm+0x34/0x70 [ 268.121422] bpf_clone_redirect+0xb9/0x490 [ 268.125661] ? __schedule+0x874/0x1ed0 [ 268.129557] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 268.134694] ? __sched_text_start+0x8/0x8 [ 268.138840] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 268.143606] ? find_held_lock+0x36/0x1c0 [ 268.147673] ? lock_acquire+0x1ed/0x520 [ 268.151667] ? bpf_test_run+0x32e/0x5a0 [ 268.155644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.161179] ? check_preemption_disabled+0x48/0x200 [ 268.166202] ? kasan_check_read+0x11/0x20 [ 268.170389] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.175683] ? rcu_bh_qs+0xc0/0xc0 [ 268.179230] ? preempt_schedule+0x4d/0x60 [ 268.183382] ? ___preempt_schedule+0x16/0x18 [ 268.187812] ? bpf_test_run+0x1c0/0x5a0 [ 268.191797] ? netlink_diag_dump+0x2a0/0x2a0 [ 268.196210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.201752] ? bpf_test_init.isra.9+0x70/0x100 [ 268.206339] ? bpf_prog_test_run_skb+0x634/0xb40 [ 268.211106] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 268.215951] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 268.221490] ? fput+0x130/0x1a0 [ 268.224772] ? __bpf_prog_get+0x9b/0x290 [ 268.228838] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 268.233695] ? bpf_prog_test_run+0x130/0x1a0 [ 268.238112] ? __x64_sys_bpf+0x3d8/0x510 [ 268.242174] ? bpf_prog_get+0x20/0x20 [ 268.245995] ? ksys_ioctl+0x81/0xd0 [ 268.249637] ? do_syscall_64+0x1b9/0x820 [ 268.253705] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 268.259073] ? syscall_return_slowpath+0x5e0/0x5e0 [ 268.264021] ? trace_hardirqs_off+0x300/0x300 [ 268.268517] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 268.273538] ? recalc_sigpending_tsk+0x180/0x180 [ 268.278297] ? kasan_check_write+0x14/0x20 [ 268.282562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.287432] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 268.292847] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 268.292963] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.299795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.299801] Call Trace: [ 268.299807] [ 268.299823] dump_stack+0x1c4/0x2b4 [ 268.299844] ? dump_stack_print_info.cold.2+0x52/0x52 [ 268.306378] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.315833] warn_alloc.cold.118+0xb7/0x1bd [ 268.318392] syz-executor7 cpuset= [ 268.320544] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.324150] syz7 [ 268.329339] ? lock_downgrade+0x900/0x900 [ 268.339810] mems_allowed=0 [ 268.344129] ? trace_hardirqs_off+0xb8/0x300 [ 268.365843] ? trace_hardirqs_off+0xb8/0x300 [ 268.370274] __alloc_pages_slowpath+0x2667/0x2d80 [ 268.375164] ? warn_alloc+0x120/0x120 [ 268.378973] ? trace_hardirqs_on+0x310/0x310 [ 268.383384] ? warn_alloc+0x120/0x120 [ 268.387196] ? print_usage_bug+0xc0/0xc0 [ 268.391259] ? warn_alloc+0x120/0x120 [ 268.395063] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 268.400080] ? print_usage_bug+0xc0/0xc0 [ 268.404146] ? __lock_acquire+0x7ec/0x4ec0 [ 268.408852] ? __lock_acquire+0x7ec/0x4ec0 [ 268.413095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.418641] ? should_fail+0x22d/0xd01 [ 268.422534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.427652] ? __lock_acquire+0x7ec/0x4ec0 [ 268.431895] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.436997] ? __lock_acquire+0x7ec/0x4ec0 [ 268.441232] ? should_fail+0x22d/0xd01 [ 268.445117] ? print_usage_bug+0xc0/0xc0 [ 268.449210] ? mark_held_locks+0x130/0x130 [ 268.453451] ? mark_held_locks+0x130/0x130 [ 268.457711] ? graph_lock+0x170/0x170 [ 268.461518] ? print_usage_bug+0xc0/0xc0 [ 268.465596] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 268.470358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.475898] ? check_preemption_disabled+0x48/0x200 [ 268.480973] ? check_preemption_disabled+0x48/0x200 [ 268.486000] ? __lock_is_held+0xb5/0x140 [ 268.490070] __alloc_pages_nodemask+0xa80/0xde0 [ 268.494767] ? graph_lock+0x170/0x170 [ 268.498575] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 268.503592] ? graph_lock+0x170/0x170 [ 268.507905] ? find_held_lock+0x36/0x1c0 [ 268.511984] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.516662] ? lock_downgrade+0x900/0x900 [ 268.520816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.526371] cache_grow_begin+0x91/0x8c0 [ 268.530457] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.534873] fallback_alloc+0x203/0x2e0 [ 268.538856] ____cache_alloc_node+0x1c7/0x1e0 [ 268.543357] kmem_cache_alloc_node+0xe3/0x730 [ 268.547873] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.552126] __alloc_skb+0x119/0x770 [ 268.555856] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.561137] ? skb_scrub_packet+0x490/0x490 [ 268.565461] ? lock_downgrade+0x900/0x900 [ 268.569629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.575169] ? refcount_sub_and_test_checked+0x203/0x310 [ 268.580636] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 268.586089] ? addrconf_rs_timer+0x6f0/0x6f0 [ 268.590508] ndisc_alloc_skb+0x144/0x340 [ 268.594609] ndisc_send_rs+0x331/0x6e0 [ 268.598510] addrconf_rs_timer+0x3c0/0x6f0 [ 268.602755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.607452] call_timer_fn+0x272/0x920 [ 268.611363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.615624] ? process_timeout+0x40/0x40 [ 268.619685] ? find_held_lock+0x36/0x1c0 [ 268.623756] ? mark_held_locks+0xc7/0x130 [ 268.627907] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.632408] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.636902] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.641165] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 268.645753] ? trace_hardirqs_on+0xbd/0x310 [ 268.650094] ? kasan_check_read+0x11/0x20 [ 268.654263] ? __run_timers+0x7da/0xc70 [ 268.658239] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.663701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.667946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.672181] __run_timers+0x7e5/0xc70 [ 268.675998] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 268.681366] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 268.686412] ? graph_lock+0x170/0x170 [ 268.690217] ? print_usage_bug+0xc0/0xc0 [ 268.694288] ? lock_release+0x970/0x970 [ 268.698274] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 268.703474] ? find_held_lock+0x36/0x1c0 [ 268.707984] ? graph_lock+0x170/0x170 [ 268.711795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.717336] ? check_preemption_disabled+0x48/0x200 [ 268.722369] ? __lock_is_held+0xb5/0x140 [ 268.726438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.731979] ? check_preemption_disabled+0x48/0x200 [ 268.737006] run_timer_softirq+0x52/0xb0 [ 268.741074] ? rcu_read_lock_sched_held+0x108/0x120 [ 268.746095] __do_softirq+0x30b/0xad8 [ 268.749910] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 268.755023] ? pvclock_read_flags+0x160/0x160 [ 268.759520] ? lapic_next_event+0x5a/0x90 [ 268.763691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.769276] ? check_preemption_disabled+0x48/0x200 [ 268.774294] ? check_preemption_disabled+0x48/0x200 [ 268.779329] ? kvm_clock_read+0x18/0x30 [ 268.783306] ? kvm_sched_clock_read+0x9/0x20 [ 268.787724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.793265] ? check_preemption_disabled+0x48/0x200 [ 268.798313] irq_exit+0x17f/0x1c0 [ 268.801789] smp_apic_timer_interrupt+0x1cb/0x760 [ 268.806646] ? smp_reschedule_interrupt+0x109/0x650 [ 268.812162] ? smp_call_function_single_interrupt+0x650/0x650 [ 268.818052] ? interrupt_entry+0xb5/0xf0 [ 268.822133] ? trace_hardirqs_off_caller+0xbb/0x300 [ 268.827148] ? trace_hardirqs_off_caller+0xbb/0x300 [ 268.832165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.837012] ? trace_hardirqs_off+0x300/0x300 [ 268.841507] ? trace_hardirqs_off+0x300/0x300 [ 268.846011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.851555] ? check_preemption_disabled+0x48/0x200 [ 268.856597] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.861464] apic_timer_interrupt+0xf/0x20 [ 268.865695] [ 268.867964] RIP: 0010:console_unlock+0x1017/0x11a0 [ 268.872908] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 268.891821] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 268.899535] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 268.906809] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 268.914362] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 268.921635] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 268.928923] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 268.936889] ? netconsole_netdev_event+0x280/0x280 [ 268.941835] ? console_unlock+0x100e/0x11a0 [ 268.946201] ? devkmsg_read+0xbb0/0xbb0 [ 268.950193] ? vprintk_emit+0x7f7/0x930 [ 268.954175] ? lock_release+0x970/0x970 [ 268.958152] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.963606] ? vprintk_default+0x28/0x30 [ 268.967669] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.973120] ? kasan_check_write+0x14/0x20 [ 268.977379] ? do_raw_spin_lock+0xc1/0x200 [ 268.981635] vprintk_emit+0x33d/0x930 [ 268.985446] ? wake_up_klogd+0x180/0x180 [ 268.989516] ? find_held_lock+0x36/0x1c0 [ 268.993589] ? mark_held_locks+0xc7/0x130 [ 268.998001] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.002508] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.007022] vprintk_default+0x28/0x30 [ 269.011058] vprintk_func+0x7e/0x181 [ 269.014780] printk+0xa7/0xcf [ 269.017888] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 269.022644] ? _raw_spin_unlock_irq+0x60/0x80 [ 269.027153] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 269.032445] dump_header+0x7cc/0xf72 [ 269.036173] ? pagefault_out_of_memory+0x197/0x197 [ 269.041115] ? __lock_acquire+0x7ec/0x4ec0 [ 269.045358] ? print_usage_bug+0xc0/0xc0 [ 269.049442] ? graph_lock+0x170/0x170 [ 269.053242] ? graph_lock+0x170/0x170 [ 269.057068] ? print_usage_bug+0xc0/0xc0 [ 269.061163] ? print_usage_bug+0xc0/0xc0 [ 269.065233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.070796] ? find_held_lock+0x36/0x1c0 [ 269.074865] ? mark_held_locks+0xc7/0x130 [ 269.079023] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 269.084127] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 269.089232] ? lockdep_hardirqs_on+0x421/0x5c0 [ 269.093823] ? trace_hardirqs_on+0xbd/0x310 [ 269.098147] ? kasan_check_read+0x11/0x20 [ 269.102296] ? ___ratelimit+0x36f/0x655 [ 269.106769] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.112671] ? trace_hardirqs_on+0x310/0x310 [ 269.117082] ? lock_downgrade+0x900/0x900 [ 269.121240] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.126345] ? ___ratelimit+0xaa/0x655 [ 269.130236] ? idr_get_free+0xec0/0xec0 [ 269.134215] ? kasan_check_write+0x14/0x20 [ 269.138453] ? do_raw_spin_lock+0xc1/0x200 [ 269.142698] oom_kill_process.cold.27+0x10/0x903 [ 269.147460] ? graph_lock+0x170/0x170 [ 269.151274] ? _raw_spin_unlock+0x2c/0x50 [ 269.155448] ? oom_badness+0xe6/0xaa0 [ 269.159257] ? oom_evaluate_task+0x540/0x540 [ 269.163671] ? find_held_lock+0x36/0x1c0 [ 269.167744] ? out_of_memory+0x974/0x14c0 [ 269.171894] ? lock_downgrade+0x900/0x900 [ 269.176048] ? check_preemption_disabled+0x48/0x200 [ 269.181073] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.186873] ? kasan_check_read+0x11/0x20 [ 269.191025] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.196303] ? rcu_bh_qs+0xc0/0xc0 [ 269.199869] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.205413] ? oom_evaluate_task+0x302/0x540 [ 269.210315] out_of_memory+0xa86/0x14c0 [ 269.214308] ? oom_killer_disable+0x3a0/0x3a0 [ 269.218805] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 269.223743] ? __mutex_add_waiter+0x2a0/0x2a0 [ 269.228252] __alloc_pages_slowpath+0x2318/0x2d80 [ 269.233128] ? warn_alloc+0x120/0x120 [ 269.236932] ? __radix_tree_lookup+0x4c0/0x4c0 [ 269.241533] ? find_get_entry+0x2f2/0xc40 [ 269.245697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.251241] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 269.256173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.261716] ? should_fail+0x22d/0xd01 [ 269.265619] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.270725] ? __lock_is_held+0xb5/0x140 [ 269.274839] ? __lock_is_held+0xb5/0x140 [ 269.278907] ? find_held_lock+0x36/0x1c0 [ 269.282991] ? ___might_sleep+0x1ed/0x300 [ 269.287138] ? lock_release+0x970/0x970 [ 269.291152] ? arch_local_save_flags+0x40/0x40 [ 269.295756] ? __might_sleep+0x95/0x190 [ 269.299746] __alloc_pages_nodemask+0xa80/0xde0 [ 269.304432] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 269.309967] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.315766] ? kasan_check_read+0x11/0x20 [ 269.319913] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.325198] ? graph_lock+0x170/0x170 [ 269.329002] ? print_usage_bug+0xc0/0xc0 [ 269.333070] ? graph_lock+0x170/0x170 [ 269.336873] ? graph_lock+0x170/0x170 [ 269.340689] ? __do_page_cache_readahead+0x7ce/0x980 [ 269.345825] ? find_held_lock+0x36/0x1c0 [ 269.349896] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 269.355451] alloc_pages_current+0x10c/0x210 [ 269.359870] ? lock_downgrade+0x900/0x900 [ 269.364031] __page_cache_alloc+0x38f/0x5b0 [ 269.368356] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.374159] ? kasan_check_read+0x11/0x20 [ 269.378309] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.383593] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 269.388274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.393815] ? check_preemption_disabled+0x48/0x200 [ 269.398849] filemap_fault+0x1594/0x25f0 [ 269.402926] ? __lock_page_or_retry+0xa00/0xa00 [ 269.408068] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.413867] ? kasan_check_read+0x11/0x20 [ 269.418017] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.423296] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 269.428408] ? rcu_bh_qs+0xc0/0xc0 [ 269.431955] ? trace_hardirqs_on+0xbd/0x310 [ 269.436277] ? kasan_check_read+0x11/0x20 [ 269.440428] ? __free_object+0x173/0x340 [ 269.444498] ? filemap_map_pages+0xdea/0x1980 [ 269.449006] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.454110] ? __free_object+0x173/0x340 [ 269.458177] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 269.463451] ? debug_object_free+0x325/0x690 [ 269.467862] ? find_get_pages_range_tag+0x1320/0x1320 [ 269.473059] ? graph_lock+0x170/0x170 [ 269.476874] ? kasan_check_read+0x11/0x20 [ 269.481027] ? debug_object_destroy+0x2b0/0x2b0 [ 269.485719] ? lock_acquire+0x1ed/0x520 [ 269.489694] ? ext4_filemap_fault+0x7a/0xad [ 269.494025] ? lock_release+0x970/0x970 [ 269.498019] ? arch_local_save_flags+0x40/0x40 [ 269.502615] ? futex_wait_setup+0x3e0/0x3e0 [ 269.507449] ? down_read+0xb0/0x1d0 [ 269.511177] ? ext4_filemap_fault+0x7a/0xad [ 269.515501] ? __down_interruptible+0x700/0x700 [ 269.520190] ext4_filemap_fault+0x82/0xad [ 269.524381] __do_fault+0x100/0x6b0 [ 269.528032] ? print_bad_pte+0x6c0/0x6c0 [ 269.532097] ? do_futex+0x249/0x26d0 [ 269.535819] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.541278] ? kasan_check_read+0x11/0x20 [ 269.545426] ? pmd_val+0x88/0x100 [ 269.548879] ? add_mm_counter_fast+0xd0/0xd0 [ 269.553296] ? pmd_val+0x88/0x100 [ 269.556765] ? add_mm_counter_fast+0xd0/0xd0 [ 269.561183] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.566742] __handle_mm_fault+0x3709/0x53e0 [ 269.571163] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 269.576007] ? graph_lock+0x170/0x170 [ 269.579811] ? print_usage_bug+0xc0/0xc0 [ 269.583893] ? lockdep_hardirqs_on+0x421/0x5c0 [ 269.588480] ? graph_lock+0x170/0x170 [ 269.592299] ? graph_lock+0x170/0x170 [ 269.596134] ? handle_mm_fault+0x42a/0xc70 [ 269.600373] ? lock_downgrade+0x900/0x900 [ 269.604523] ? check_preemption_disabled+0x48/0x200 [ 269.610075] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.615878] ? kasan_check_read+0x11/0x20 [ 269.620029] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.625307] ? rcu_bh_qs+0xc0/0xc0 [ 269.628848] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.634304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.639845] ? check_preemption_disabled+0x48/0x200 [ 269.644873] handle_mm_fault+0x54f/0xc70 [ 269.648943] ? __handle_mm_fault+0x53e0/0x53e0 [ 269.653539] ? find_vma+0x34/0x190 [ 269.657085] __do_page_fault+0x67d/0xed0 [ 269.661155] ? mm_fault_error+0x380/0x380 [ 269.665303] ? trace_hardirqs_off+0xb8/0x300 [ 269.669738] ? trace_hardirqs_on+0x310/0x310 [ 269.674152] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 269.679516] ? trace_hardirqs_on+0x310/0x310 [ 269.683930] do_page_fault+0xf2/0x7e0 [ 269.687742] ? vmalloc_sync_all+0x30/0x30 [ 269.691893] ? error_entry+0x70/0xd0 [ 269.695620] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.700651] ? trace_hardirqs_on_caller+0xc0/0x300 [ 269.705582] ? syscall_return_slowpath+0x5e0/0x5e0 [ 269.711009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.715855] ? trace_hardirqs_off+0x300/0x300 [ 269.720351] ? trace_hardirqs_off_caller+0x300/0x300 [ 269.725486] ? prepare_exit_to_usermode+0x291/0x3b0 [ 269.730530] ? page_fault+0x8/0x30 [ 269.734081] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.738933] ? page_fault+0x8/0x30 [ 269.742473] page_fault+0x1e/0x30 [ 269.745924] RIP: 0033:0x45ddf3 [ 269.749124] Code: Bad RIP value. [ 269.752484] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 269.757850] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 269.765118] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 269.772397] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 269.779675] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 269.786967] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 269.794260] warn_alloc_show_mem: 1 callbacks suppressed [ 269.794272] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 269.794274] Mem-Info: [ 269.794304] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 269.794304] active_file:16 inactive_file:19 isolated_file:0 [ 269.794304] unevictable:0 dirty:0 writeback:0 unstable:0 [ 269.794304] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 269.794304] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 269.794304] free:13708 free_pcp:124 free_cma:0 [ 269.799649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.799658] Call Trace: [ 269.806856] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 269.809257] [ 269.842471] Node 0 [ 269.851831] dump_stack+0x1c4/0x2b4 [ 269.854430] 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 [ 269.882082] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.884209] lowmem_reserve[]: [ 269.886493] warn_alloc.cold.118+0xb7/0x1bd [ 269.890088] 0 2817 [ 269.915600] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 269.920774] 6321 [ 269.923983] ? lock_downgrade+0x900/0x900 [ 269.928278] 6321 [ 269.930564] ? trace_hardirqs_off+0xb8/0x300 [ 269.935369] Node 0 DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 269.937457] ? trace_hardirqs_off+0xb8/0x300 [ 269.941561] lowmem_reserve[]: 0 [ 269.943647] __alloc_pages_slowpath+0x2667/0x2d80 [ 269.948028] 0 [ 269.975732] ? warn_alloc+0x120/0x120 [ 269.980102] 3503 [ 269.983381] ? warn_alloc+0x120/0x120 [ 269.988202] 3503 [ 269.990005] ? print_usage_bug+0xc0/0xc0 [ 269.993787] Node 0 [ 269.995846] ? warn_alloc+0x120/0x120 [ 269.999652] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 270.001692] ? print_usage_bug+0xc0/0xc0 [ 270.005725] lowmem_reserve[]: 0 [ 270.007969] ? __lock_acquire+0x7ec/0x4ec0 [ 270.011748] 0 [ 270.039963] ? __lock_acquire+0x7ec/0x4ec0 [ 270.044008] 0 [ 270.047301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.051509] 0 [ 270.053321] ? should_fail+0x22d/0xd01 [ 270.059345] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.064865] Node 0 [ 270.066699] ? __lock_acquire+0x7ec/0x4ec0 [ 270.070568] DMA: [ 270.075669] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.077883] 1*4kB [ 270.082117] ? __lock_acquire+0x7ec/0x4ec0 [ 270.084157] (U) [ 270.089258] ? should_fail+0x22d/0xd01 [ 270.091391] 0*8kB [ 270.095624] ? mark_held_locks+0x130/0x130 [ 270.097579] 0*16kB [ 270.101463] ? mark_held_locks+0x130/0x130 [ 270.103611] 1*32kB [ 270.107837] ? graph_lock+0x170/0x170 [ 270.110053] (U) [ 270.114284] ? graph_lock+0x170/0x170 [ 270.116500] 2*64kB (U) [ 270.120319] ? graph_lock+0x170/0x170 [ 270.122276] 1*128kB [ 270.126087] ? print_usage_bug+0xc0/0xc0 [ 270.128651] (U) [ 270.132464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.134763] 1*256kB [ 270.138820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.140779] (U) [ 270.146312] ? check_preemption_disabled+0x48/0x200 [ 270.148618] 0*512kB [ 270.154150] ? check_preemption_disabled+0x48/0x200 [ 270.156103] 1*1024kB [ 270.161120] ? __lock_is_held+0xb5/0x140 [ 270.163450] (U) [ 270.168465] __alloc_pages_nodemask+0xa80/0xde0 [ 270.170850] 1*2048kB (M) [ 270.174936] ? graph_lock+0x170/0x170 [ 270.176892] 3*4096kB [ 270.181567] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 270.184298] (M) [ 270.188096] ? graph_lock+0x170/0x170 [ 270.190493] = 15908kB [ 270.190502] Node 0 [ 270.195525] ? find_held_lock+0x36/0x1c0 [ 270.197469] DMA32: [ 270.201274] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.203658] 3*4kB [ 270.205914] ? lock_downgrade+0x900/0x900 [ 270.209945] (UM) [ 270.212205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.216839] 2*8kB (M) [ 270.219003] cache_grow_begin+0x91/0x8c0 [ 270.223624] 3*16kB (UM) [ 270.225715] ? do_raw_spin_unlock+0xa7/0x2f0 [ 270.231240] 3*32kB [ 270.233740] fallback_alloc+0x203/0x2e0 [ 270.237770] (M) [ 270.240454] ____cache_alloc_node+0x1c7/0x1e0 [ 270.244832] 3*64kB (UM) [ 270.247084] kmem_cache_alloc_node+0xe3/0x730 [ 270.251040] 4*128kB (UM) [ 270.253023] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.257491] 3*256kB (M) [ 270.260188] __alloc_skb+0x119/0x770 [ 270.264651] 4*512kB (M) [ 270.267430] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.271648] 3*1024kB (UM) [ 270.274329] ? skb_scrub_packet+0x490/0x490 [ 270.278010] 1*2048kB (M) [ 270.280689] ? lock_downgrade+0x900/0x900 [ 270.285992] 4*4096kB [ 270.288839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.293150] (M) [ 270.295912] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.300030] = 25196kB [ 270.300038] Node 0 [ 270.302446] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.307957] Normal: [ 270.309936] ? addrconf_rs_timer+0x6f0/0x6f0 [ 270.315362] 852*4kB [ 270.317790] ndisc_alloc_skb+0x144/0x340 [ 270.320019] (UMEH) [ 270.325473] ndisc_send_rs+0x331/0x6e0 [ 270.327788] 324*8kB [ 270.332197] addrconf_rs_timer+0x3c0/0x6f0 [ 270.334508] (UMEH) [ 270.338572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.340780] 169*16kB (UMEH) [ 270.344683] call_timer_fn+0x272/0x920 [ 270.346981] 81*32kB [ 270.351214] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.353448] (UMEH) [ 270.357680] ? process_timeout+0x40/0x40 [ 270.360669] 31*64kB (UMH) [ 270.364561] ? find_held_lock+0x36/0x1c0 [ 270.366856] 3*128kB (H) [ 270.371107] ? __run_timers+0x7da/0xc70 [ 270.373319] 1*256kB [ 270.377394] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.380230] (H) [ 270.384294] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.386938] 0*512kB 0*1024kB [ 270.390929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.393231] 0*2048kB [ 270.397733] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 270.399692] 0*4096kB [ 270.404189] ? trace_hardirqs_on+0xbd/0x310 [ 270.407272] = 13920kB [ 270.411506] ? kasan_check_read+0x11/0x20 [ 270.413906] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 270.413920] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 270.418498] ? __run_timers+0x7da/0xc70 [ 270.420905] 414 total pagecache pages [ 270.425230] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.427636] 0 pages in swap cache [ 270.431779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.440594] Swap cache stats: add 0, delete 0, find 0/0 [ 270.440609] Free swap = 0kB [ 270.449202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.453157] Total swap = 0kB [ 270.456977] __run_timers+0x7e5/0xc70 [ 270.462404] 1965979 pages RAM [ 270.465874] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 270.470077] 0 pages HighMem/MovableOnly [ 270.470087] 342744 pages reserved [ 270.475456] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 270.478450] 0 pages cma reserved [ 270.482687] ? graph_lock+0x170/0x170 [ 270.485776] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.489495] ? enqueue_hrtimer+0x1a5/0x560 [ 270.489508] ? lock_release+0x970/0x970 [ 270.489523] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 270.489542] ? find_held_lock+0x36/0x1c0 [ 270.492697] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.497999] ? graph_lock+0x170/0x170 [ 270.501952] syz-fuzzer cpuset= [ 270.505405] ? pvclock_read_flags+0x160/0x160 [ 270.510409] / [ 270.513783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.517559] mems_allowed=0 [ 270.524151] ? check_preemption_disabled+0x48/0x200 [ 270.578436] ? __lock_is_held+0xb5/0x140 [ 270.582505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.588061] ? check_preemption_disabled+0x48/0x200 [ 270.593091] run_timer_softirq+0x52/0xb0 [ 270.597159] ? rcu_read_lock_sched_held+0x108/0x120 [ 270.602182] __do_softirq+0x30b/0xad8 [ 270.606004] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 270.611116] ? pvclock_read_flags+0x160/0x160 [ 270.615614] ? lapic_next_event+0x5a/0x90 [ 270.619771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.625412] ? check_preemption_disabled+0x48/0x200 [ 270.630433] ? check_preemption_disabled+0x48/0x200 [ 270.635461] ? kvm_clock_read+0x18/0x30 [ 270.639438] ? kvm_sched_clock_read+0x9/0x20 [ 270.643852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.649393] ? check_preemption_disabled+0x48/0x200 [ 270.654426] irq_exit+0x17f/0x1c0 [ 270.657916] smp_apic_timer_interrupt+0x1cb/0x760 [ 270.662766] ? smp_reschedule_interrupt+0x109/0x650 [ 270.667785] ? smp_call_function_single_interrupt+0x650/0x650 [ 270.673673] ? interrupt_entry+0xb5/0xf0 [ 270.677743] ? trace_hardirqs_off_caller+0xbb/0x300 [ 270.682780] ? trace_hardirqs_off_caller+0xbb/0x300 [ 270.687814] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.692659] ? trace_hardirqs_off+0x300/0x300 [ 270.697154] ? trace_hardirqs_off+0x300/0x300 [ 270.701648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.707188] ? check_preemption_disabled+0x48/0x200 [ 270.712209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.717755] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.722606] apic_timer_interrupt+0xf/0x20 [ 270.726935] [ 270.729179] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 270.734113] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 270.753041] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 270.760753] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 270.768020] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 270.775289] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 270.782555] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 270.789821] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 270.797131] skb_clone+0x1bb/0x500 [ 270.800687] ? finish_task_switch+0x2f5/0x900 [ 270.805190] ? skb_split+0x11e0/0x11e0 [ 270.809089] ? preempt_notifier_register+0x200/0x200 [ 270.814193] ? __switch_to_asm+0x34/0x70 [ 270.818265] ? __switch_to_asm+0x34/0x70 [ 270.822336] ? __switch_to_asm+0x40/0x70 [ 270.826662] ? __switch_to_asm+0x34/0x70 [ 270.830721] ? __switch_to_asm+0x40/0x70 [ 270.834779] ? __switch_to_asm+0x34/0x70 [ 270.838836] ? __switch_to_asm+0x40/0x70 [ 270.842900] ? __switch_to_asm+0x34/0x70 [ 270.846965] ? __switch_to_asm+0x34/0x70 [ 270.851036] ? __switch_to_asm+0x40/0x70 [ 270.855102] ? __switch_to_asm+0x34/0x70 [ 270.859172] bpf_clone_redirect+0xb9/0x490 [ 270.863413] ? __schedule+0x874/0x1ed0 [ 270.867309] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 270.872331] ? __sched_text_start+0x8/0x8 [ 270.876486] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.881261] ? find_held_lock+0x36/0x1c0 [ 270.885331] ? lock_acquire+0x1ed/0x520 [ 270.889310] ? bpf_test_run+0x32e/0x5a0 [ 270.893292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.898831] ? check_preemption_disabled+0x48/0x200 [ 270.903855] ? kasan_check_read+0x11/0x20 [ 270.908010] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.913303] ? rcu_bh_qs+0xc0/0xc0 [ 270.916871] ? preempt_schedule+0x4d/0x60 [ 270.921028] ? ___preempt_schedule+0x16/0x18 [ 270.925545] ? bpf_test_run+0x1c0/0x5a0 [ 270.929534] ? netlink_diag_dump+0x2a0/0x2a0 [ 270.933957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.939494] ? bpf_test_init.isra.9+0x70/0x100 [ 270.944082] ? bpf_prog_test_run_skb+0x634/0xb40 [ 270.948850] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 270.953695] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 270.959234] ? fput+0x130/0x1a0 [ 270.962543] ? __bpf_prog_get+0x9b/0x290 [ 270.966616] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 270.971494] ? bpf_prog_test_run+0x130/0x1a0 [ 270.975922] ? __x64_sys_bpf+0x3d8/0x510 [ 270.979985] ? bpf_prog_get+0x20/0x20 [ 270.983812] ? ksys_ioctl+0x81/0xd0 [ 270.987461] ? do_syscall_64+0x1b9/0x820 [ 270.991528] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 270.997374] ? syscall_return_slowpath+0x5e0/0x5e0 [ 271.002314] ? trace_hardirqs_off+0x300/0x300 [ 271.006814] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 271.011849] ? recalc_sigpending_tsk+0x180/0x180 [ 271.016638] ? kasan_check_write+0x14/0x20 [ 271.020882] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.025743] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 271.031129] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 271.031201] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.038064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.038073] Call Trace: [ 271.044658] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.053905] [ 271.056480] syz-executor7 cpuset= [ 271.066965] dump_stack+0x1c4/0x2b4 [ 271.069092] syz7 [ 271.072541] ? dump_stack_print_info.cold.2+0x52/0x52 [ 271.076152] mems_allowed=0 [ 271.078135] warn_alloc.cold.118+0xb7/0x1bd [ 271.090533] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 271.095408] ? lock_downgrade+0x900/0x900 [ 271.099578] ? trace_hardirqs_off+0xb8/0x300 [ 271.104526] ? trace_hardirqs_off+0xb8/0x300 [ 271.108945] __alloc_pages_slowpath+0x2667/0x2d80 [ 271.113820] ? warn_alloc+0x120/0x120 [ 271.117634] ? warn_alloc+0x120/0x120 [ 271.121458] ? print_usage_bug+0xc0/0xc0 [ 271.126058] ? warn_alloc+0x120/0x120 [ 271.129860] ? print_usage_bug+0xc0/0xc0 [ 271.133931] ? __lock_acquire+0x7ec/0x4ec0 [ 271.138179] ? __lock_acquire+0x7ec/0x4ec0 [ 271.142422] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.147964] ? should_fail+0x22d/0xd01 [ 271.151861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.156988] ? __lock_acquire+0x7ec/0x4ec0 [ 271.161241] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.166365] ? __lock_acquire+0x7ec/0x4ec0 [ 271.170600] ? should_fail+0x22d/0xd01 [ 271.174524] ? mark_held_locks+0x130/0x130 [ 271.178769] ? mark_held_locks+0x130/0x130 [ 271.183011] ? graph_lock+0x170/0x170 [ 271.186813] ? graph_lock+0x170/0x170 [ 271.190622] ? graph_lock+0x170/0x170 [ 271.194424] ? print_usage_bug+0xc0/0xc0 [ 271.198488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.204033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.209576] ? check_preemption_disabled+0x48/0x200 [ 271.214627] ? check_preemption_disabled+0x48/0x200 [ 271.219657] ? __lock_is_held+0xb5/0x140 [ 271.224245] __alloc_pages_nodemask+0xa80/0xde0 [ 271.228920] ? graph_lock+0x170/0x170 [ 271.232733] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 271.237748] ? graph_lock+0x170/0x170 [ 271.241566] ? find_held_lock+0x36/0x1c0 [ 271.245648] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.250319] ? lock_downgrade+0x900/0x900 [ 271.254481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.260029] cache_grow_begin+0x91/0x8c0 [ 271.264097] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.268524] fallback_alloc+0x203/0x2e0 [ 271.272510] ____cache_alloc_node+0x1c7/0x1e0 [ 271.277016] kmem_cache_alloc_node+0xe3/0x730 [ 271.281516] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.285769] __alloc_skb+0x119/0x770 [ 271.289485] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.294771] ? skb_scrub_packet+0x490/0x490 [ 271.299095] ? lock_downgrade+0x900/0x900 [ 271.303260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.308802] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.314261] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.319718] ? addrconf_rs_timer+0x6f0/0x6f0 [ 271.324537] ndisc_alloc_skb+0x144/0x340 [ 271.328634] ndisc_send_rs+0x331/0x6e0 [ 271.332541] addrconf_rs_timer+0x3c0/0x6f0 [ 271.336785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.341040] call_timer_fn+0x272/0x920 [ 271.344937] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.349198] ? process_timeout+0x40/0x40 [ 271.353273] ? find_held_lock+0x36/0x1c0 [ 271.357348] ? mark_held_locks+0xc7/0x130 [ 271.361503] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.366001] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.370502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.374741] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 271.379328] ? trace_hardirqs_on+0xbd/0x310 [ 271.383674] ? kasan_check_read+0x11/0x20 [ 271.387826] ? __run_timers+0x7da/0xc70 [ 271.391805] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.397266] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.401524] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.405766] __run_timers+0x7e5/0xc70 [ 271.409588] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 271.414963] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.419994] ? graph_lock+0x170/0x170 [ 271.424249] ? print_usage_bug+0xc0/0xc0 [ 271.428324] ? lock_release+0x970/0x970 [ 271.432300] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 271.437498] ? find_held_lock+0x36/0x1c0 [ 271.441594] ? graph_lock+0x170/0x170 [ 271.445415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.450963] ? check_preemption_disabled+0x48/0x200 [ 271.455994] ? __lock_is_held+0xb5/0x140 [ 271.460058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.465608] ? check_preemption_disabled+0x48/0x200 [ 271.470647] run_timer_softirq+0x52/0xb0 [ 271.474712] ? rcu_read_lock_sched_held+0x108/0x120 [ 271.480362] __do_softirq+0x30b/0xad8 [ 271.484181] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 271.489294] ? pvclock_read_flags+0x160/0x160 [ 271.493797] ? lapic_next_event+0x5a/0x90 [ 271.497945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.503497] ? check_preemption_disabled+0x48/0x200 [ 271.508520] ? check_preemption_disabled+0x48/0x200 [ 271.513560] ? kvm_clock_read+0x18/0x30 [ 271.517539] ? kvm_sched_clock_read+0x9/0x20 [ 271.521953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.527982] ? check_preemption_disabled+0x48/0x200 [ 271.533023] irq_exit+0x17f/0x1c0 [ 271.536481] smp_apic_timer_interrupt+0x1cb/0x760 [ 271.541329] ? smp_reschedule_interrupt+0x109/0x650 [ 271.546350] ? smp_call_function_single_interrupt+0x650/0x650 [ 271.552257] ? interrupt_entry+0xb5/0xf0 [ 271.556348] ? trace_hardirqs_off_caller+0xbb/0x300 [ 271.561405] ? trace_hardirqs_off_caller+0xbb/0x300 [ 271.566441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.571286] ? trace_hardirqs_off+0x300/0x300 [ 271.575789] ? trace_hardirqs_off+0x300/0x300 [ 271.580287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.585829] ? check_preemption_disabled+0x48/0x200 [ 271.590858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.595724] apic_timer_interrupt+0xf/0x20 [ 271.599997] [ 271.602249] RIP: 0010:console_unlock+0x1017/0x11a0 [ 271.607180] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 271.626572] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 271.634295] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 271.641560] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 271.648826] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 271.656090] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 271.663360] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 271.670703] ? netconsole_netdev_event+0x280/0x280 [ 271.675647] ? console_unlock+0x100e/0x11a0 [ 271.679990] ? devkmsg_read+0xbb0/0xbb0 [ 271.683965] ? vprintk_emit+0x7f7/0x930 [ 271.687945] ? lock_release+0x970/0x970 [ 271.691926] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.697387] ? vprintk_default+0x28/0x30 [ 271.701462] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.706916] ? kasan_check_write+0x14/0x20 [ 271.711155] ? do_raw_spin_lock+0xc1/0x200 [ 271.715409] vprintk_emit+0x33d/0x930 [ 271.719220] ? wake_up_klogd+0x180/0x180 [ 271.723805] ? find_held_lock+0x36/0x1c0 [ 271.727881] ? mark_held_locks+0xc7/0x130 [ 271.732035] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.736529] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.741031] vprintk_default+0x28/0x30 [ 271.744921] vprintk_func+0x7e/0x181 [ 271.748655] printk+0xa7/0xcf [ 271.751765] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 271.756526] ? _raw_spin_unlock_irq+0x60/0x80 [ 271.761037] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 271.766326] dump_header+0x7cc/0xf72 [ 271.770057] ? pagefault_out_of_memory+0x197/0x197 [ 271.775000] ? __lock_acquire+0x7ec/0x4ec0 [ 271.779242] ? print_usage_bug+0xc0/0xc0 [ 271.783312] ? graph_lock+0x170/0x170 [ 271.787115] ? graph_lock+0x170/0x170 [ 271.790921] ? print_usage_bug+0xc0/0xc0 [ 271.794988] ? print_usage_bug+0xc0/0xc0 [ 271.799059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.804617] ? find_held_lock+0x36/0x1c0 [ 271.808694] ? mark_held_locks+0xc7/0x130 [ 271.812861] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 271.817973] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 271.823474] ? lockdep_hardirqs_on+0x421/0x5c0 [ 271.828061] ? trace_hardirqs_on+0xbd/0x310 [ 271.832384] ? kasan_check_read+0x11/0x20 [ 271.836541] ? ___ratelimit+0x36f/0x655 [ 271.840517] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.845970] ? trace_hardirqs_on+0x310/0x310 [ 271.850379] ? lock_downgrade+0x900/0x900 [ 271.854542] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 271.859655] ? ___ratelimit+0xaa/0x655 [ 271.863548] ? idr_get_free+0xec0/0xec0 [ 271.867529] ? kasan_check_write+0x14/0x20 [ 271.871785] ? do_raw_spin_lock+0xc1/0x200 [ 271.876030] oom_kill_process.cold.27+0x10/0x903 [ 271.880788] ? graph_lock+0x170/0x170 [ 271.884965] ? _raw_spin_unlock+0x2c/0x50 [ 271.889115] ? oom_badness+0xe6/0xaa0 [ 271.892930] ? oom_evaluate_task+0x540/0x540 [ 271.897346] ? find_held_lock+0x36/0x1c0 [ 271.901421] ? out_of_memory+0x974/0x14c0 [ 271.905580] ? lock_downgrade+0x900/0x900 [ 271.909742] ? check_preemption_disabled+0x48/0x200 [ 271.914766] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 271.920568] ? kasan_check_read+0x11/0x20 [ 271.925210] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.930501] ? rcu_bh_qs+0xc0/0xc0 [ 271.934048] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 271.939622] ? oom_evaluate_task+0x302/0x540 [ 271.944046] out_of_memory+0xa86/0x14c0 [ 271.948064] ? oom_killer_disable+0x3a0/0x3a0 [ 271.952575] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 271.957519] ? __mutex_add_waiter+0x2a0/0x2a0 [ 271.962028] __alloc_pages_slowpath+0x2318/0x2d80 [ 271.966905] ? warn_alloc+0x120/0x120 [ 271.970713] ? __radix_tree_lookup+0x4c0/0x4c0 [ 271.975310] ? find_get_entry+0x2f2/0xc40 [ 271.979498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.985038] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 271.989973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.995515] ? should_fail+0x22d/0xd01 [ 271.999413] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.004528] ? __lock_is_held+0xb5/0x140 [ 272.008636] ? __lock_is_held+0xb5/0x140 [ 272.012709] ? find_held_lock+0x36/0x1c0 [ 272.016795] ? ___might_sleep+0x1ed/0x300 [ 272.020959] ? lock_release+0x970/0x970 [ 272.025458] ? arch_local_save_flags+0x40/0x40 [ 272.030055] ? __might_sleep+0x95/0x190 [ 272.034037] __alloc_pages_nodemask+0xa80/0xde0 [ 272.038723] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.043755] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.049558] ? kasan_check_read+0x11/0x20 [ 272.053711] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.058997] ? graph_lock+0x170/0x170 [ 272.062805] ? print_usage_bug+0xc0/0xc0 [ 272.066871] ? graph_lock+0x170/0x170 [ 272.070674] ? graph_lock+0x170/0x170 [ 272.074480] ? __do_page_cache_readahead+0x7ce/0x980 [ 272.079590] ? find_held_lock+0x36/0x1c0 [ 272.083681] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 272.089225] alloc_pages_current+0x10c/0x210 [ 272.093635] ? lock_downgrade+0x900/0x900 [ 272.097794] __page_cache_alloc+0x38f/0x5b0 [ 272.102121] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.107922] ? kasan_check_read+0x11/0x20 [ 272.112075] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.117359] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 272.122032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.128082] ? check_preemption_disabled+0x48/0x200 [ 272.133114] filemap_fault+0x1594/0x25f0 [ 272.137191] ? __lock_page_or_retry+0xa00/0xa00 [ 272.141864] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.147664] ? kasan_check_read+0x11/0x20 [ 272.151818] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.157097] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 272.162202] ? rcu_bh_qs+0xc0/0xc0 [ 272.165747] ? trace_hardirqs_on+0xbd/0x310 [ 272.170072] ? kasan_check_read+0x11/0x20 [ 272.174222] ? __free_object+0x173/0x340 [ 272.178293] ? filemap_map_pages+0xdea/0x1980 [ 272.182810] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 272.187914] ? __free_object+0x173/0x340 [ 272.191990] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 272.197277] ? debug_object_free+0x325/0x690 [ 272.201695] ? find_get_pages_range_tag+0x1320/0x1320 [ 272.206898] ? graph_lock+0x170/0x170 [ 272.210716] ? kasan_check_read+0x11/0x20 [ 272.214869] ? debug_object_destroy+0x2b0/0x2b0 [ 272.219555] ? lock_acquire+0x1ed/0x520 [ 272.223979] ? ext4_filemap_fault+0x7a/0xad [ 272.228326] ? lock_release+0x970/0x970 [ 272.232354] ? arch_local_save_flags+0x40/0x40 [ 272.236941] ? futex_wait_setup+0x3e0/0x3e0 [ 272.241282] ? down_read+0xb0/0x1d0 [ 272.244910] ? ext4_filemap_fault+0x7a/0xad [ 272.249237] ? __down_interruptible+0x700/0x700 [ 272.253931] ext4_filemap_fault+0x82/0xad [ 272.258088] __do_fault+0x100/0x6b0 [ 272.261734] ? print_bad_pte+0x6c0/0x6c0 [ 272.265796] ? do_futex+0x249/0x26d0 [ 272.269521] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.274979] ? kasan_check_read+0x11/0x20 [ 272.279139] ? pmd_val+0x88/0x100 [ 272.282594] ? add_mm_counter_fast+0xd0/0xd0 [ 272.287023] ? pmd_val+0x88/0x100 [ 272.290497] ? add_mm_counter_fast+0xd0/0xd0 [ 272.294946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.300499] __handle_mm_fault+0x3709/0x53e0 [ 272.304921] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 272.309768] ? graph_lock+0x170/0x170 [ 272.313573] ? print_usage_bug+0xc0/0xc0 [ 272.317642] ? lockdep_hardirqs_on+0x421/0x5c0 [ 272.322233] ? graph_lock+0x170/0x170 [ 272.326495] ? graph_lock+0x170/0x170 [ 272.330323] ? handle_mm_fault+0x42a/0xc70 [ 272.334571] ? lock_downgrade+0x900/0x900 [ 272.338739] ? check_preemption_disabled+0x48/0x200 [ 272.343761] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.349558] ? kasan_check_read+0x11/0x20 [ 272.353712] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.358995] ? rcu_bh_qs+0xc0/0xc0 [ 272.362549] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.368022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.373562] ? check_preemption_disabled+0x48/0x200 [ 272.378617] handle_mm_fault+0x54f/0xc70 [ 272.382688] ? __handle_mm_fault+0x53e0/0x53e0 [ 272.387275] ? find_vma+0x34/0x190 [ 272.390829] __do_page_fault+0x67d/0xed0 [ 272.394913] ? mm_fault_error+0x380/0x380 [ 272.399061] ? trace_hardirqs_off+0xb8/0x300 [ 272.403476] ? trace_hardirqs_on+0x310/0x310 [ 272.407887] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 272.413261] ? trace_hardirqs_on+0x310/0x310 [ 272.417695] do_page_fault+0xf2/0x7e0 [ 272.421504] ? vmalloc_sync_all+0x30/0x30 [ 272.426153] ? error_entry+0x70/0xd0 [ 272.429876] ? trace_hardirqs_off_caller+0xbb/0x300 [ 272.434895] ? trace_hardirqs_on_caller+0xc0/0x300 [ 272.439832] ? syscall_return_slowpath+0x5e0/0x5e0 [ 272.444764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.449627] ? trace_hardirqs_off+0x300/0x300 [ 272.454140] ? trace_hardirqs_off_caller+0x300/0x300 [ 272.459249] ? prepare_exit_to_usermode+0x291/0x3b0 [ 272.464267] ? page_fault+0x8/0x30 [ 272.467811] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.472683] ? page_fault+0x8/0x30 [ 272.476240] page_fault+0x1e/0x30 [ 272.479692] RIP: 0033:0x45ddf3 [ 272.482888] Code: Bad RIP value. [ 272.486251] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 272.491632] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 272.498926] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 272.506192] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 272.513471] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 272.520738] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 272.528508] warn_alloc_show_mem: 1 callbacks suppressed [ 272.528521] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 272.528523] Mem-Info: [ 272.528553] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 272.528553] active_file:16 inactive_file:19 isolated_file:0 [ 272.528553] unevictable:0 dirty:0 writeback:0 unstable:0 [ 272.528553] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 272.528553] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 272.528553] free:13708 free_pcp:124 free_cma:0 [ 272.533905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.541094] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 272.543494] Call Trace: [ 272.576368] Node 0 [ 272.585720] [ 272.613417] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 272.615986] dump_stack+0x1c4/0x2b4 [ 272.618205] lowmem_reserve[]: 0 [ 272.620362] ? dump_stack_print_info.cold.2+0x52/0x52 [ 272.646281] 2817 6321 [ 272.649936] warn_alloc.cold.118+0xb7/0x1bd [ 272.653203] 6321 [ 272.658456] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 272.660933] Node 0 [ 272.665255] ? lock_downgrade+0x900/0x900 [ 272.667323] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 272.672139] ? trace_hardirqs_off+0xb8/0x300 [ 272.674342] lowmem_reserve[]: 0 [ 272.678497] ? trace_hardirqs_off+0xb8/0x300 [ 272.705450] 0 3503 [ 272.709873] __alloc_pages_slowpath+0x2667/0x2d80 [ 272.713122] 3503 [ 272.717554] ? warn_alloc+0x120/0x120 [ 272.724589] ? trace_hardirqs_on+0x310/0x310 [ 272.726663] Node 0 [ 272.730458] ? warn_alloc+0x120/0x120 [ 272.734870] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 272.737080] ? print_usage_bug+0xc0/0xc0 [ 272.740853] lowmem_reserve[]: 0 [ 272.769059] ? warn_alloc+0x120/0x120 [ 272.773110] 0 [ 272.776389] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 272.780171] 0 [ 272.781970] ? print_usage_bug+0xc0/0xc0 [ 272.786956] 0 [ 272.788775] ? __lock_acquire+0x7ec/0x4ec0 [ 272.792810] Node 0 [ 272.794605] ? __lock_acquire+0x7ec/0x4ec0 [ 272.798817] DMA: 1*4kB [ 272.801067] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.805275] (U) 0*8kB [ 272.807871] ? should_fail+0x22d/0xd01 [ 272.813383] 0*16kB [ 272.815881] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.819745] 1*32kB [ 272.821981] ? __lock_acquire+0x7ec/0x4ec0 [ 272.827539] (U) [ 272.829791] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.834002] 2*64kB (U) [ 272.835999] ? __lock_acquire+0x7ec/0x4ec0 [ 272.841079] 1*128kB [ 272.843665] ? should_fail+0x22d/0xd01 [ 272.847876] (U) [ 272.850205] ? print_usage_bug+0xc0/0xc0 [ 272.854063] 1*256kB (U) [ 272.856057] ? mark_held_locks+0x130/0x130 [ 272.860090] 0*512kB [ 272.862760] ? mark_held_locks+0x130/0x130 [ 272.866975] 1*1024kB [ 272.869307] ? graph_lock+0x170/0x170 [ 272.873515] (U) [ 272.875929] ? print_usage_bug+0xc0/0xc0 [ 272.879722] 1*2048kB [ 272.881702] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.885746] (M) [ 272.888187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.892921] 3*4096kB [ 272.894905] ? check_preemption_disabled+0x48/0x200 [ 272.900406] (M) = 15908kB [ 272.902831] ? check_preemption_disabled+0x48/0x200 [ 272.907825] Node 0 [ 272.910591] ? __lock_is_held+0xb5/0x140 [ 272.915579] DMA32: [ 272.917815] __alloc_pages_nodemask+0xa80/0xde0 [ 272.921851] 3*4kB [ 272.924084] ? graph_lock+0x170/0x170 [ 272.928735] (UM) [ 272.930906] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.934661] 2*8kB (M) [ 272.936743] ? graph_lock+0x170/0x170 [ 272.941735] 3*16kB [ 272.944235] ? find_held_lock+0x36/0x1c0 [ 272.948008] (UM) [ 272.950264] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.954300] 3*32kB [ 272.956364] ? lock_downgrade+0x900/0x900 [ 272.961010] (M) [ 272.963252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.967387] 3*64kB [ 272.969364] cache_grow_begin+0x91/0x8c0 [ 272.974876] (UM) [ 272.977117] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.981158] 4*128kB [ 272.983222] fallback_alloc+0x203/0x2e0 [ 272.987609] (UM) [ 272.989931] ____cache_alloc_node+0x1c7/0x1e0 [ 272.993880] 3*256kB [ 272.996421] kmem_cache_alloc_node+0xe3/0x730 [ 273.000906] (M) [ 273.003233] ? ipv6_get_ifaddr+0x42e/0x620 [ 273.007707] 4*512kB [ 273.009688] __alloc_skb+0x119/0x770 [ 273.013895] (M) 3*1024kB [ 273.016226] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.019919] (UM) [ 273.022685] ? skb_scrub_packet+0x490/0x490 [ 273.028230] 1*2048kB (M) [ 273.030305] ? lock_downgrade+0x900/0x900 [ 273.034613] 4*4096kB [ 273.037393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.041517] (M) [ 273.043927] ? refcount_sub_and_test_checked+0x203/0x310 [ 273.049459] = 25196kB [ 273.051462] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 273.056891] Node 0 [ 273.059304] ? addrconf_rs_timer+0x6f0/0x6f0 [ 273.064731] Normal: [ 273.067001] ndisc_alloc_skb+0x144/0x340 [ 273.071383] 852*4kB [ 273.073727] ndisc_send_rs+0x331/0x6e0 [ 273.077770] (UMEH) [ 273.080093] addrconf_rs_timer+0x3c0/0x6f0 [ 273.083959] 324*8kB [ 273.086193] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.090412] (UMEH) [ 273.092742] call_timer_fn+0x272/0x920 [ 273.096986] 169*16kB [ 273.099221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.103445] (UMEH) 81*32kB [ 273.105879] ? process_timeout+0x40/0x40 [ 273.110089] (UMEH) [ 273.113017] ? find_held_lock+0x36/0x1c0 [ 273.117059] 31*64kB [ 273.119303] ? __run_timers+0x7da/0xc70 [ 273.123885] (UMH) 3*128kB [ 273.126227] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.130181] (H) [ 273.133022] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.137502] 1*256kB [ 273.139475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.143945] (H) [ 273.146267] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 273.150480] 0*512kB [ 273.152456] ? trace_hardirqs_on+0xbd/0x310 [ 273.157011] 0*1024kB 0*2048kB [ 273.159345] ? kasan_check_read+0x11/0x20 [ 273.163644] 0*4096kB [ 273.166831] ? __run_timers+0x7da/0xc70 [ 273.170958] = 13920kB [ 273.173369] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.177327] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 273.179728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.185161] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 273.193988] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.198204] 414 total pagecache pages [ 273.206815] __run_timers+0x7e5/0xc70 [ 273.211040] 0 pages in swap cache [ 273.214848] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 273.218621] Swap cache stats: add 0, delete 0, find 0/0 [ 273.218630] Free swap = 0kB [ 273.222098] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.227881] Total swap = 0kB [ 273.233249] ? graph_lock+0x170/0x170 [ 273.236248] 1965979 pages RAM [ 273.241262] ? enqueue_hrtimer+0x1a5/0x560 [ 273.244257] 0 pages HighMem/MovableOnly [ 273.244266] 342744 pages reserved [ 273.248064] ? lock_release+0x970/0x970 [ 273.251143] 0 pages cma reserved [ 273.251222] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.255388] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.259453] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.262813] ? find_held_lock+0x36/0x1c0 [ 273.266768] syz-fuzzer cpuset= [ 273.270132] ? graph_lock+0x170/0x170 [ 273.276600] / [ 273.281802] ? pvclock_read_flags+0x160/0x160 [ 273.292022] mems_allowed=0 [ 273.296089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.317718] ? check_preemption_disabled+0x48/0x200 [ 273.322744] ? __lock_is_held+0xb5/0x140 [ 273.326810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.332346] ? check_preemption_disabled+0x48/0x200 [ 273.337375] run_timer_softirq+0x52/0xb0 [ 273.341450] ? rcu_read_lock_sched_held+0x108/0x120 [ 273.346470] __do_softirq+0x30b/0xad8 [ 273.350307] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 273.355429] ? pvclock_read_flags+0x160/0x160 [ 273.359934] ? lapic_next_event+0x5a/0x90 [ 273.364086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.369632] ? check_preemption_disabled+0x48/0x200 [ 273.374928] ? check_preemption_disabled+0x48/0x200 [ 273.379956] ? kvm_clock_read+0x18/0x30 [ 273.383935] ? kvm_sched_clock_read+0x9/0x20 [ 273.388347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.393888] ? check_preemption_disabled+0x48/0x200 [ 273.398929] irq_exit+0x17f/0x1c0 [ 273.402390] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.407248] ? smp_reschedule_interrupt+0x109/0x650 [ 273.412268] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.418153] ? interrupt_entry+0xb5/0xf0 [ 273.422218] ? trace_hardirqs_off_caller+0xbb/0x300 [ 273.427237] ? trace_hardirqs_off_caller+0xbb/0x300 [ 273.432275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.437121] ? trace_hardirqs_off+0x300/0x300 [ 273.441614] ? trace_hardirqs_off+0x300/0x300 [ 273.446114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.451659] ? check_preemption_disabled+0x48/0x200 [ 273.456677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.462229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.467082] apic_timer_interrupt+0xf/0x20 [ 273.471318] [ 273.473561] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 273.478497] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 273.497396] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 273.505110] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 273.512383] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 273.519666] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 273.526969] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 273.534237] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 273.541554] skb_clone+0x1bb/0x500 [ 273.545101] ? finish_task_switch+0x2f5/0x900 [ 273.549601] ? skb_split+0x11e0/0x11e0 [ 273.553492] ? preempt_notifier_register+0x200/0x200 [ 273.558604] ? __switch_to_asm+0x34/0x70 [ 273.562680] ? __switch_to_asm+0x34/0x70 [ 273.566744] ? __switch_to_asm+0x40/0x70 [ 273.570804] ? __switch_to_asm+0x34/0x70 [ 273.574865] ? __switch_to_asm+0x40/0x70 [ 273.578932] ? __switch_to_asm+0x34/0x70 [ 273.582993] ? __switch_to_asm+0x40/0x70 [ 273.587064] ? __switch_to_asm+0x34/0x70 [ 273.591126] ? __switch_to_asm+0x34/0x70 [ 273.595186] ? __switch_to_asm+0x40/0x70 [ 273.599249] ? __switch_to_asm+0x34/0x70 [ 273.603320] bpf_clone_redirect+0xb9/0x490 [ 273.607572] ? __schedule+0x874/0x1ed0 [ 273.611466] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 273.616492] ? __sched_text_start+0x8/0x8 [ 273.620661] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.625439] ? find_held_lock+0x36/0x1c0 [ 273.629511] ? lock_acquire+0x1ed/0x520 [ 273.633484] ? bpf_test_run+0x32e/0x5a0 [ 273.637477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.643020] ? check_preemption_disabled+0x48/0x200 [ 273.648050] ? kasan_check_read+0x11/0x20 [ 273.652201] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.657480] ? rcu_bh_qs+0xc0/0xc0 [ 273.661023] ? preempt_schedule+0x4d/0x60 [ 273.665173] ? ___preempt_schedule+0x16/0x18 [ 273.669595] ? bpf_test_run+0x1c0/0x5a0 [ 273.673582] ? netlink_diag_dump+0x2a0/0x2a0 [ 273.678003] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.683539] ? bpf_test_init.isra.9+0x70/0x100 [ 273.688126] ? bpf_prog_test_run_skb+0x634/0xb40 [ 273.692906] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.697750] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 273.703286] ? fput+0x130/0x1a0 [ 273.706570] ? __bpf_prog_get+0x9b/0x290 [ 273.710634] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.715471] ? bpf_prog_test_run+0x130/0x1a0 [ 273.719906] ? __x64_sys_bpf+0x3d8/0x510 [ 273.723975] ? bpf_prog_get+0x20/0x20 [ 273.727790] ? ksys_ioctl+0x81/0xd0 [ 273.731435] ? do_syscall_64+0x1b9/0x820 [ 273.735498] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 273.740864] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.745804] ? trace_hardirqs_off+0x300/0x300 [ 273.750306] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 273.755321] ? recalc_sigpending_tsk+0x180/0x180 [ 273.760097] ? kasan_check_write+0x14/0x20 [ 273.764346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.769207] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 273.774591] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 273.774664] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.781542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.781548] Call Trace: [ 273.781555] [ 273.781570] dump_stack+0x1c4/0x2b4 [ 273.781587] ? dump_stack_print_info.cold.2+0x52/0x52 [ 273.781624] warn_alloc.cold.118+0xb7/0x1bd [ 273.788138] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.797432] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.799995] syz-executor7 cpuset= [ 273.802144] ? lock_downgrade+0x900/0x900 [ 273.805747] syz7 [ 273.810937] ? trace_hardirqs_off+0xb8/0x300 [ 273.815237] mems_allowed=0 [ 273.826160] ? trace_hardirqs_off+0xb8/0x300 [ 273.852254] __alloc_pages_slowpath+0x2667/0x2d80 [ 273.857135] ? warn_alloc+0x120/0x120 [ 273.860941] ? trace_hardirqs_on+0x310/0x310 [ 273.865353] ? warn_alloc+0x120/0x120 [ 273.869157] ? print_usage_bug+0xc0/0xc0 [ 273.873229] ? warn_alloc+0x120/0x120 [ 273.877031] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 273.882059] ? print_usage_bug+0xc0/0xc0 [ 273.886124] ? __lock_acquire+0x7ec/0x4ec0 [ 273.890364] ? __lock_acquire+0x7ec/0x4ec0 [ 273.894617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.900166] ? should_fail+0x22d/0xd01 [ 273.904060] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.909164] ? __lock_acquire+0x7ec/0x4ec0 [ 273.913412] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.918515] ? __lock_acquire+0x7ec/0x4ec0 [ 273.922751] ? should_fail+0x22d/0xd01 [ 273.927103] ? print_usage_bug+0xc0/0xc0 [ 273.931180] ? mark_held_locks+0x130/0x130 [ 273.935442] ? mark_held_locks+0x130/0x130 [ 273.939689] ? graph_lock+0x170/0x170 [ 273.943492] ? print_usage_bug+0xc0/0xc0 [ 273.947556] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.952367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.957957] ? check_preemption_disabled+0x48/0x200 [ 273.962976] ? check_preemption_disabled+0x48/0x200 [ 273.968007] ? __lock_is_held+0xb5/0x140 [ 273.972077] __alloc_pages_nodemask+0xa80/0xde0 [ 273.976752] ? graph_lock+0x170/0x170 [ 273.980564] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 273.985582] ? graph_lock+0x170/0x170 [ 273.989440] ? find_held_lock+0x36/0x1c0 [ 273.993513] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.998186] ? lock_downgrade+0x900/0x900 [ 274.002344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.007891] cache_grow_begin+0x91/0x8c0 [ 274.011960] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.016382] fallback_alloc+0x203/0x2e0 [ 274.020370] ____cache_alloc_node+0x1c7/0x1e0 [ 274.025372] kmem_cache_alloc_node+0xe3/0x730 [ 274.029874] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.034125] __alloc_skb+0x119/0x770 [ 274.037846] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.043132] ? skb_scrub_packet+0x490/0x490 [ 274.047456] ? lock_downgrade+0x900/0x900 [ 274.051621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.057162] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.062627] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.068082] ? addrconf_rs_timer+0x6f0/0x6f0 [ 274.072509] ndisc_alloc_skb+0x144/0x340 [ 274.076579] ndisc_send_rs+0x331/0x6e0 [ 274.080484] addrconf_rs_timer+0x3c0/0x6f0 [ 274.084727] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.088979] call_timer_fn+0x272/0x920 [ 274.092868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.097106] ? process_timeout+0x40/0x40 [ 274.101170] ? find_held_lock+0x36/0x1c0 [ 274.105253] ? mark_held_locks+0xc7/0x130 [ 274.109409] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.113902] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.118406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.122647] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 274.127536] ? trace_hardirqs_on+0xbd/0x310 [ 274.131862] ? kasan_check_read+0x11/0x20 [ 274.136020] ? __run_timers+0x7da/0xc70 [ 274.140000] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.145465] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.149722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.153973] __run_timers+0x7e5/0xc70 [ 274.157790] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.163158] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.168178] ? graph_lock+0x170/0x170 [ 274.171988] ? print_usage_bug+0xc0/0xc0 [ 274.176053] ? lock_release+0x970/0x970 [ 274.180038] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 274.185241] ? find_held_lock+0x36/0x1c0 [ 274.189312] ? graph_lock+0x170/0x170 [ 274.193134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.198683] ? check_preemption_disabled+0x48/0x200 [ 274.203718] ? __lock_is_held+0xb5/0x140 [ 274.207787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.213332] ? check_preemption_disabled+0x48/0x200 [ 274.218361] run_timer_softirq+0x52/0xb0 [ 274.222448] ? rcu_read_lock_sched_held+0x108/0x120 [ 274.227906] __do_softirq+0x30b/0xad8 [ 274.231735] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 274.236846] ? pvclock_read_flags+0x160/0x160 [ 274.241346] ? lapic_next_event+0x5a/0x90 [ 274.245497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.251042] ? check_preemption_disabled+0x48/0x200 [ 274.256087] ? check_preemption_disabled+0x48/0x200 [ 274.261129] ? kvm_clock_read+0x18/0x30 [ 274.265110] ? kvm_sched_clock_read+0x9/0x20 [ 274.269530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.275077] ? check_preemption_disabled+0x48/0x200 [ 274.280111] irq_exit+0x17f/0x1c0 [ 274.283586] smp_apic_timer_interrupt+0x1cb/0x760 [ 274.288458] ? smp_reschedule_interrupt+0x109/0x650 [ 274.293485] ? smp_call_function_single_interrupt+0x650/0x650 [ 274.299378] ? interrupt_entry+0xb5/0xf0 [ 274.303452] ? trace_hardirqs_off_caller+0xbb/0x300 [ 274.308473] ? trace_hardirqs_off_caller+0xbb/0x300 [ 274.313513] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.318364] ? trace_hardirqs_off+0x300/0x300 [ 274.322865] ? trace_hardirqs_off+0x300/0x300 [ 274.327712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.333257] ? check_preemption_disabled+0x48/0x200 [ 274.338285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.343141] apic_timer_interrupt+0xf/0x20 [ 274.347392] [ 274.349643] RIP: 0010:console_unlock+0x1017/0x11a0 [ 274.354602] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 274.373860] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 274.381585] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 274.388863] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 274.396141] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 274.403412] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 274.410685] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 274.417974] ? netconsole_netdev_event+0x280/0x280 [ 274.422937] ? console_unlock+0x100e/0x11a0 [ 274.427471] ? devkmsg_read+0xbb0/0xbb0 [ 274.431447] ? vprintk_emit+0x7f7/0x930 [ 274.435433] ? lock_release+0x970/0x970 [ 274.439428] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.444884] ? vprintk_default+0x28/0x30 [ 274.448955] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.454422] ? kasan_check_write+0x14/0x20 [ 274.458660] ? do_raw_spin_lock+0xc1/0x200 [ 274.462905] vprintk_emit+0x33d/0x930 [ 274.466742] ? wake_up_klogd+0x180/0x180 [ 274.470808] ? find_held_lock+0x36/0x1c0 [ 274.474879] ? mark_held_locks+0xc7/0x130 [ 274.479059] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.483571] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.488084] vprintk_default+0x28/0x30 [ 274.491976] vprintk_func+0x7e/0x181 [ 274.495718] printk+0xa7/0xcf [ 274.498844] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 274.503614] ? _raw_spin_unlock_irq+0x60/0x80 [ 274.508128] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 274.513427] dump_header+0x7cc/0xf72 [ 274.517156] ? pagefault_out_of_memory+0x197/0x197 [ 274.522096] ? __lock_acquire+0x7ec/0x4ec0 [ 274.526857] ? print_usage_bug+0xc0/0xc0 [ 274.530934] ? graph_lock+0x170/0x170 [ 274.534736] ? graph_lock+0x170/0x170 [ 274.538543] ? print_usage_bug+0xc0/0xc0 [ 274.542615] ? print_usage_bug+0xc0/0xc0 [ 274.546682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.552229] ? find_held_lock+0x36/0x1c0 [ 274.556304] ? mark_held_locks+0xc7/0x130 [ 274.560462] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 274.565570] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 274.570681] ? lockdep_hardirqs_on+0x421/0x5c0 [ 274.575269] ? trace_hardirqs_on+0xbd/0x310 [ 274.579594] ? kasan_check_read+0x11/0x20 [ 274.583755] ? ___ratelimit+0x36f/0x655 [ 274.587749] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.593204] ? trace_hardirqs_on+0x310/0x310 [ 274.597628] ? lock_downgrade+0x900/0x900 [ 274.601800] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.606912] ? ___ratelimit+0xaa/0x655 [ 274.610808] ? idr_get_free+0xec0/0xec0 [ 274.614795] ? kasan_check_write+0x14/0x20 [ 274.619035] ? do_raw_spin_lock+0xc1/0x200 [ 274.623725] oom_kill_process.cold.27+0x10/0x903 [ 274.628487] ? graph_lock+0x170/0x170 [ 274.632291] ? _raw_spin_unlock+0x2c/0x50 [ 274.636442] ? oom_badness+0xe6/0xaa0 [ 274.640265] ? oom_evaluate_task+0x540/0x540 [ 274.644691] ? find_held_lock+0x36/0x1c0 [ 274.648765] ? out_of_memory+0x974/0x14c0 [ 274.652920] ? lock_downgrade+0x900/0x900 [ 274.657074] ? check_preemption_disabled+0x48/0x200 [ 274.662097] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 274.667895] ? kasan_check_read+0x11/0x20 [ 274.672050] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.677342] ? rcu_bh_qs+0xc0/0xc0 [ 274.680888] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 274.686452] ? oom_evaluate_task+0x302/0x540 [ 274.690896] out_of_memory+0xa86/0x14c0 [ 274.694897] ? oom_killer_disable+0x3a0/0x3a0 [ 274.699404] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 274.704342] ? __mutex_add_waiter+0x2a0/0x2a0 [ 274.708848] __alloc_pages_slowpath+0x2318/0x2d80 [ 274.713746] ? warn_alloc+0x120/0x120 [ 274.717551] ? __radix_tree_lookup+0x4c0/0x4c0 [ 274.722146] ? find_get_entry+0x2f2/0xc40 [ 274.726767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.732313] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 274.737244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.742787] ? should_fail+0x22d/0xd01 [ 274.746684] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.751789] ? __lock_is_held+0xb5/0x140 [ 274.755879] ? __lock_is_held+0xb5/0x140 [ 274.759965] ? find_held_lock+0x36/0x1c0 [ 274.764052] ? ___might_sleep+0x1ed/0x300 [ 274.768212] ? lock_release+0x970/0x970 [ 274.772188] ? arch_local_save_flags+0x40/0x40 [ 274.776787] ? __might_sleep+0x95/0x190 [ 274.780773] __alloc_pages_nodemask+0xa80/0xde0 [ 274.785452] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 274.790472] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 274.796298] ? kasan_check_read+0x11/0x20 [ 274.800450] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.805734] ? graph_lock+0x170/0x170 [ 274.809548] ? print_usage_bug+0xc0/0xc0 [ 274.813619] ? graph_lock+0x170/0x170 [ 274.817453] ? graph_lock+0x170/0x170 [ 274.821252] ? __do_page_cache_readahead+0x7ce/0x980 [ 274.826857] ? find_held_lock+0x36/0x1c0 [ 274.830928] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 274.836478] alloc_pages_current+0x10c/0x210 [ 274.840887] ? lock_downgrade+0x900/0x900 [ 274.845041] __page_cache_alloc+0x38f/0x5b0 [ 274.849370] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 274.855173] ? kasan_check_read+0x11/0x20 [ 274.859323] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.864635] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 274.869338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.874880] ? check_preemption_disabled+0x48/0x200 [ 274.879908] filemap_fault+0x1594/0x25f0 [ 274.884001] ? __lock_page_or_retry+0xa00/0xa00 [ 274.888676] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 274.894475] ? kasan_check_read+0x11/0x20 [ 274.898629] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.903909] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 274.909017] ? rcu_bh_qs+0xc0/0xc0 [ 274.912563] ? trace_hardirqs_on+0xbd/0x310 [ 274.916891] ? kasan_check_read+0x11/0x20 [ 274.921040] ? __free_object+0x173/0x340 [ 274.925573] ? filemap_map_pages+0xdea/0x1980 [ 274.930082] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.935190] ? __free_object+0x173/0x340 [ 274.939254] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 274.944535] ? debug_object_free+0x325/0x690 [ 274.948943] ? find_get_pages_range_tag+0x1320/0x1320 [ 274.954150] ? graph_lock+0x170/0x170 [ 274.957963] ? kasan_check_read+0x11/0x20 [ 274.962113] ? debug_object_destroy+0x2b0/0x2b0 [ 274.966798] ? lock_acquire+0x1ed/0x520 [ 274.970779] ? ext4_filemap_fault+0x7a/0xad [ 274.975124] ? lock_release+0x970/0x970 [ 274.979102] ? arch_local_save_flags+0x40/0x40 [ 274.983696] ? futex_wait_setup+0x3e0/0x3e0 [ 274.988037] ? down_read+0xb0/0x1d0 [ 274.991666] ? ext4_filemap_fault+0x7a/0xad [ 274.996194] ? __down_interruptible+0x700/0x700 [ 275.000888] ext4_filemap_fault+0x82/0xad [ 275.005041] __do_fault+0x100/0x6b0 [ 275.008681] ? print_bad_pte+0x6c0/0x6c0 [ 275.012748] ? do_futex+0x249/0x26d0 [ 275.016467] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.021928] ? kasan_check_read+0x11/0x20 [ 275.026419] ? pmd_val+0x88/0x100 [ 275.029875] ? add_mm_counter_fast+0xd0/0xd0 [ 275.034285] ? pmd_val+0x88/0x100 [ 275.037739] ? add_mm_counter_fast+0xd0/0xd0 [ 275.042160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.047705] __handle_mm_fault+0x3709/0x53e0 [ 275.052129] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 275.056976] ? graph_lock+0x170/0x170 [ 275.060783] ? print_usage_bug+0xc0/0xc0 [ 275.064848] ? lockdep_hardirqs_on+0x421/0x5c0 [ 275.069443] ? graph_lock+0x170/0x170 [ 275.073248] ? graph_lock+0x170/0x170 [ 275.077073] ? handle_mm_fault+0x42a/0xc70 [ 275.081314] ? lock_downgrade+0x900/0x900 [ 275.085492] ? check_preemption_disabled+0x48/0x200 [ 275.090522] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 275.096322] ? kasan_check_read+0x11/0x20 [ 275.100488] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.106260] ? rcu_bh_qs+0xc0/0xc0 [ 275.109809] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.115263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.120806] ? check_preemption_disabled+0x48/0x200 [ 275.126339] handle_mm_fault+0x54f/0xc70 [ 275.130418] ? __handle_mm_fault+0x53e0/0x53e0 [ 275.135008] ? find_vma+0x34/0x190 [ 275.138590] __do_page_fault+0x67d/0xed0 [ 275.142672] ? mm_fault_error+0x380/0x380 [ 275.146820] ? trace_hardirqs_off+0xb8/0x300 [ 275.151267] ? trace_hardirqs_on+0x310/0x310 [ 275.155679] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 275.161084] ? trace_hardirqs_on+0x310/0x310 [ 275.165502] do_page_fault+0xf2/0x7e0 [ 275.169332] ? vmalloc_sync_all+0x30/0x30 [ 275.173484] ? error_entry+0x70/0xd0 [ 275.177200] ? trace_hardirqs_off_caller+0xbb/0x300 [ 275.182219] ? trace_hardirqs_on_caller+0xc0/0x300 [ 275.187172] ? syscall_return_slowpath+0x5e0/0x5e0 [ 275.192103] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.196962] ? trace_hardirqs_off+0x300/0x300 [ 275.201468] ? trace_hardirqs_off_caller+0x300/0x300 [ 275.206596] ? prepare_exit_to_usermode+0x291/0x3b0 [ 275.211629] ? page_fault+0x8/0x30 [ 275.215176] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.220023] ? page_fault+0x8/0x30 [ 275.223806] page_fault+0x1e/0x30 [ 275.227260] RIP: 0033:0x45ddf3 [ 275.230459] Code: Bad RIP value. [ 275.233819] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 275.239188] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 275.246457] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 275.253735] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 275.261008] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 275.268287] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 275.275579] warn_alloc_show_mem: 1 callbacks suppressed [ 275.275591] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 275.275593] Mem-Info: [ 275.275633] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 275.275633] active_file:16 inactive_file:19 isolated_file:0 [ 275.275633] unevictable:0 dirty:0 writeback:0 unstable:0 [ 275.275633] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 275.275633] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 275.275633] free:13708 free_pcp:124 free_cma:0 [ 275.280973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.280982] Call Trace: [ 275.288180] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 275.290581] [ 275.323978] Node 0 [ 275.333340] dump_stack+0x1c4/0x2b4 [ 275.335953] 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 [ 275.363607] ? dump_stack_print_info.cold.2+0x52/0x52 [ 275.365743] lowmem_reserve[]: [ 275.367999] warn_alloc.cold.118+0xb7/0x1bd [ 275.371599] 0 [ 275.397104] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.402273] 2817 [ 275.405377] ? lock_downgrade+0x900/0x900 [ 275.409706] 6321 6321 [ 275.411544] ? trace_hardirqs_off+0xb8/0x300 [ 275.416361] Node 0 [ 275.418426] ? trace_hardirqs_off+0xb8/0x300 [ 275.422578] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 275.425057] __alloc_pages_slowpath+0x2667/0x2d80 [ 275.429436] lowmem_reserve[]: 0 [ 275.431700] ? warn_alloc+0x120/0x120 [ 275.436063] 0 [ 275.463042] ? warn_alloc+0x120/0x120 [ 275.467866] 3503 [ 275.471149] ? print_usage_bug+0xc0/0xc0 [ 275.474939] 3503 [ 275.476742] ? warn_alloc+0x120/0x120 [ 275.480521] Node 0 [ 275.482597] ? print_usage_bug+0xc0/0xc0 [ 275.486673] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 275.488712] ? __lock_acquire+0x7ec/0x4ec0 [ 275.492494] lowmem_reserve[]: [ 275.494730] ? __lock_acquire+0x7ec/0x4ec0 [ 275.498770] 0 [ 275.526983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.531216] 0 [ 275.534328] ? should_fail+0x22d/0xd01 [ 275.538538] 0 [ 275.540344] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.545874] 0 [ 275.547691] ? __lock_acquire+0x7ec/0x4ec0 [ 275.553363] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.558441] Node 0 [ 275.560259] ? __lock_acquire+0x7ec/0x4ec0 [ 275.564476] DMA: [ 275.569583] ? should_fail+0x22d/0xd01 [ 275.571798] 1*4kB [ 275.576041] ? mark_held_locks+0x130/0x130 [ 275.578071] (U) [ 275.581963] ? mark_held_locks+0x130/0x130 [ 275.584091] 0*8kB [ 275.588320] ? graph_lock+0x170/0x170 [ 275.590276] 0*16kB [ 275.594506] ? graph_lock+0x170/0x170 [ 275.596635] 1*32kB [ 275.600436] ? graph_lock+0x170/0x170 [ 275.602660] (U) [ 275.606456] ? print_usage_bug+0xc0/0xc0 [ 275.608690] 2*64kB (U) [ 275.612503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.614459] 1*128kB [ 275.618522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.621081] (U) [ 275.626631] ? check_preemption_disabled+0x48/0x200 [ 275.628946] 1*256kB (U) [ 275.634515] ? check_preemption_disabled+0x48/0x200 [ 275.636483] 0*512kB [ 275.641568] ? __lock_is_held+0xb5/0x140 [ 275.644238] 1*1024kB [ 275.649273] __alloc_pages_nodemask+0xa80/0xde0 [ 275.651572] (U) [ 275.655629] ? graph_lock+0x170/0x170 [ 275.658013] 1*2048kB (M) [ 275.662691] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 275.664638] 3*4096kB (M) [ 275.668447] ? graph_lock+0x170/0x170 [ 275.671182] = 15908kB [ 275.676255] ? find_held_lock+0x36/0x1c0 [ 275.678984] Node 0 [ 275.682788] ? ____cache_alloc_node+0x1c7/0x1e0 [ 275.685169] DMA32: [ 275.689228] ? lock_downgrade+0x900/0x900 [ 275.691441] 3*4kB [ 275.696110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.698325] (UM) [ 275.702476] cache_grow_begin+0x91/0x8c0 [ 275.704612] 2*8kB [ 275.710139] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.712173] (M) 3*16kB [ 275.716257] fallback_alloc+0x203/0x2e0 [ 275.718383] (UM) [ 275.722801] ____cache_alloc_node+0x1c7/0x1e0 [ 275.725797] 3*32kB (M) [ 275.729794] kmem_cache_alloc_node+0xe3/0x730 [ 275.731832] 3*64kB [ 275.736331] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.738895] (UM) [ 275.743402] __alloc_skb+0x119/0x770 [ 275.745623] 4*128kB [ 275.749863] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.751908] (UM) [ 275.755635] ? skb_scrub_packet+0x490/0x490 [ 275.757940] 3*256kB [ 275.763222] ? lock_downgrade+0x900/0x900 [ 275.765262] (M) [ 275.769590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.771888] 4*512kB [ 275.776056] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.778019] (M) [ 275.783559] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.785874] 3*1024kB [ 275.791333] ? addrconf_rs_timer+0x6f0/0x6f0 [ 275.793287] (UM) [ 275.798743] ndisc_alloc_skb+0x144/0x340 [ 275.801132] 1*2048kB [ 275.805543] ndisc_send_rs+0x331/0x6e0 [ 275.807583] (M) [ 275.811649] addrconf_rs_timer+0x3c0/0x6f0 [ 275.814039] 4*4096kB [ 275.817929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.819880] (M) = 25196kB [ 275.819908] Node 0 [ 275.824161] call_timer_fn+0x272/0x920 [ 275.826548] Normal: [ 275.830780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.833521] 852*4kB [ 275.835758] ? process_timeout+0x40/0x40 [ 275.839709] (UMEH) [ 275.842033] ? find_held_lock+0x36/0x1c0 [ 275.846249] 324*8kB [ 275.848580] ? __run_timers+0x7da/0xc70 [ 275.852706] (UMEH) [ 275.854945] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.858991] 169*16kB [ 275.861313] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.865271] (UMEH) [ 275.867510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.871987] 81*32kB [ 275.874407] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 275.878878] (UMEH) 31*64kB [ 275.881133] ? trace_hardirqs_on+0xbd/0x310 [ 275.885348] (UMH) [ 275.887689] ? kasan_check_read+0x11/0x20 [ 275.892251] 3*128kB [ 275.895186] ? __run_timers+0x7da/0xc70 [ 275.899486] (H) [ 275.901638] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.905769] 1*256kB [ 275.908100] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.912058] (H) [ 275.914040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.919467] 0*512kB [ 275.921793] __run_timers+0x7e5/0xc70 [ 275.926480] 0*1024kB 0*2048kB [ 275.928477] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 275.932676] 0*4096kB = 13920kB [ 275.932701] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 275.935028] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 275.938817] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 275.942012] ? graph_lock+0x170/0x170 [ 275.947355] 414 total pagecache pages [ 275.950544] ? enqueue_hrtimer+0x1a5/0x560 [ 275.959365] 0 pages in swap cache [ 275.964370] ? lock_release+0x970/0x970 [ 275.972924] Swap cache stats: add 0, delete 0, find 0/0 [ 275.972934] Free swap = 0kB [ 275.976748] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 275.980536] Total swap = 0kB [ 275.984780] ? find_held_lock+0x36/0x1c0 [ 275.988210] 1965979 pages RAM [ 275.992185] ? graph_lock+0x170/0x170 [ 275.997529] 0 pages HighMem/MovableOnly [ 276.000548] ? pvclock_read_flags+0x160/0x160 [ 276.005718] 342744 pages reserved [ 276.005739] 0 pages cma reserved [ 276.008771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.012874] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.015931] ? check_preemption_disabled+0x48/0x200 [ 276.019808] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.023699] ? __lock_is_held+0xb5/0x140 [ 276.028170] syz-fuzzer cpuset= [ 276.031644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.035012] / [ 276.040549] ? check_preemption_disabled+0x48/0x200 [ 276.047020] mems_allowed=0 [ 276.052035] run_timer_softirq+0x52/0xb0 [ 276.088673] ? rcu_read_lock_sched_held+0x108/0x120 [ 276.093695] __do_softirq+0x30b/0xad8 [ 276.097510] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.102632] ? pvclock_read_flags+0x160/0x160 [ 276.107134] ? lapic_next_event+0x5a/0x90 [ 276.111287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.116832] ? check_preemption_disabled+0x48/0x200 [ 276.121864] ? check_preemption_disabled+0x48/0x200 [ 276.126901] ? kvm_clock_read+0x18/0x30 [ 276.130881] ? kvm_sched_clock_read+0x9/0x20 [ 276.135306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.140851] ? check_preemption_disabled+0x48/0x200 [ 276.145884] irq_exit+0x17f/0x1c0 [ 276.149361] smp_apic_timer_interrupt+0x1cb/0x760 [ 276.154209] ? smp_reschedule_interrupt+0x109/0x650 [ 276.159234] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.165123] ? interrupt_entry+0xb5/0xf0 [ 276.169214] ? trace_hardirqs_off_caller+0xbb/0x300 [ 276.174233] ? trace_hardirqs_off_caller+0xbb/0x300 [ 276.179253] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.184099] ? trace_hardirqs_off+0x300/0x300 [ 276.188595] ? trace_hardirqs_off+0x300/0x300 [ 276.193096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.198639] ? check_preemption_disabled+0x48/0x200 [ 276.203659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.209207] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.214063] apic_timer_interrupt+0xf/0x20 [ 276.218293] [ 276.220539] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 276.225474] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 276.244376] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 276.252091] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 276.259360] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 276.266631] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 276.273909] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 276.281206] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 276.288530] skb_clone+0x1bb/0x500 [ 276.292076] ? finish_task_switch+0x2f5/0x900 [ 276.296579] ? skb_split+0x11e0/0x11e0 [ 276.300480] ? preempt_notifier_register+0x200/0x200 [ 276.305610] ? __switch_to_asm+0x34/0x70 [ 276.309674] ? __switch_to_asm+0x34/0x70 [ 276.313740] ? __switch_to_asm+0x40/0x70 [ 276.317803] ? __switch_to_asm+0x34/0x70 [ 276.321865] ? __switch_to_asm+0x40/0x70 [ 276.325937] ? __switch_to_asm+0x34/0x70 [ 276.329998] ? __switch_to_asm+0x40/0x70 [ 276.334059] ? __switch_to_asm+0x34/0x70 [ 276.338122] ? __switch_to_asm+0x34/0x70 [ 276.342181] ? __switch_to_asm+0x40/0x70 [ 276.346241] ? __switch_to_asm+0x34/0x70 [ 276.350315] bpf_clone_redirect+0xb9/0x490 [ 276.354559] ? __schedule+0x874/0x1ed0 [ 276.358457] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 276.363481] ? __sched_text_start+0x8/0x8 [ 276.367643] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.372416] ? find_held_lock+0x36/0x1c0 [ 276.376491] ? lock_acquire+0x1ed/0x520 [ 276.380480] ? bpf_test_run+0x32e/0x5a0 [ 276.384485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.390031] ? check_preemption_disabled+0x48/0x200 [ 276.395061] ? kasan_check_read+0x11/0x20 [ 276.399215] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.404497] ? rcu_bh_qs+0xc0/0xc0 [ 276.408053] ? preempt_schedule+0x4d/0x60 [ 276.412231] ? ___preempt_schedule+0x16/0x18 [ 276.416652] ? bpf_test_run+0x1c0/0x5a0 [ 276.420641] ? netlink_diag_dump+0x2a0/0x2a0 [ 276.425160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.430702] ? bpf_test_init.isra.9+0x70/0x100 [ 276.435292] ? bpf_prog_test_run_skb+0x634/0xb40 [ 276.440058] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 276.444910] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 276.450484] ? fput+0x130/0x1a0 [ 276.453793] ? __bpf_prog_get+0x9b/0x290 [ 276.457863] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 276.462712] ? bpf_prog_test_run+0x130/0x1a0 [ 276.467126] ? __x64_sys_bpf+0x3d8/0x510 [ 276.471192] ? bpf_prog_get+0x20/0x20 [ 276.475008] ? ksys_ioctl+0x81/0xd0 [ 276.478651] ? do_syscall_64+0x1b9/0x820 [ 276.482718] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 276.488090] ? syscall_return_slowpath+0x5e0/0x5e0 [ 276.493025] ? trace_hardirqs_off+0x300/0x300 [ 276.497523] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 276.502541] ? recalc_sigpending_tsk+0x180/0x180 [ 276.507331] ? kasan_check_write+0x14/0x20 [ 276.511584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.516448] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 276.521838] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 276.521916] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.529269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.529275] Call Trace: [ 276.529282] [ 276.529298] dump_stack+0x1c4/0x2b4 [ 276.529320] ? dump_stack_print_info.cold.2+0x52/0x52 [ 276.535856] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.545176] warn_alloc.cold.118+0xb7/0x1bd [ 276.547733] syz-executor7 cpuset= [ 276.549882] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.553518] syz7 [ 276.558706] ? lock_downgrade+0x900/0x900 [ 276.569183] mems_allowed=0 [ 276.573526] ? trace_hardirqs_off+0xb8/0x300 [ 276.595339] ? trace_hardirqs_off+0xb8/0x300 [ 276.599776] __alloc_pages_slowpath+0x2667/0x2d80 [ 276.604660] ? warn_alloc+0x120/0x120 [ 276.608527] ? trace_hardirqs_on+0x310/0x310 [ 276.612939] ? warn_alloc+0x120/0x120 [ 276.616745] ? print_usage_bug+0xc0/0xc0 [ 276.620810] ? warn_alloc+0x120/0x120 [ 276.625107] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 276.630128] ? print_usage_bug+0xc0/0xc0 [ 276.634194] ? __lock_acquire+0x7ec/0x4ec0 [ 276.638431] ? __lock_acquire+0x7ec/0x4ec0 [ 276.642675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.648218] ? should_fail+0x22d/0xd01 [ 276.652118] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.657227] ? __lock_acquire+0x7ec/0x4ec0 [ 276.661471] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.666576] ? __lock_acquire+0x7ec/0x4ec0 [ 276.670823] ? should_fail+0x22d/0xd01 [ 276.674708] ? print_usage_bug+0xc0/0xc0 [ 276.678783] ? mark_held_locks+0x130/0x130 [ 276.683032] ? mark_held_locks+0x130/0x130 [ 276.687298] ? graph_lock+0x170/0x170 [ 276.691102] ? print_usage_bug+0xc0/0xc0 [ 276.695165] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.699929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.705472] ? check_preemption_disabled+0x48/0x200 [ 276.710513] ? check_preemption_disabled+0x48/0x200 [ 276.715547] ? __lock_is_held+0xb5/0x140 [ 276.719629] __alloc_pages_nodemask+0xa80/0xde0 [ 276.724771] ? graph_lock+0x170/0x170 [ 276.728579] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 276.733610] ? graph_lock+0x170/0x170 [ 276.737432] ? find_held_lock+0x36/0x1c0 [ 276.741509] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.746182] ? lock_downgrade+0x900/0x900 [ 276.750352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.755902] cache_grow_begin+0x91/0x8c0 [ 276.759975] ? do_raw_spin_unlock+0xa7/0x2f0 [ 276.764404] fallback_alloc+0x203/0x2e0 [ 276.768391] ____cache_alloc_node+0x1c7/0x1e0 [ 276.772906] kmem_cache_alloc_node+0xe3/0x730 [ 276.777416] ? ipv6_get_ifaddr+0x42e/0x620 [ 276.781672] __alloc_skb+0x119/0x770 [ 276.785393] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.790693] ? skb_scrub_packet+0x490/0x490 [ 276.795019] ? lock_downgrade+0x900/0x900 [ 276.799182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.804723] ? refcount_sub_and_test_checked+0x203/0x310 [ 276.810183] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 276.815651] ? addrconf_rs_timer+0x6f0/0x6f0 [ 276.820074] ndisc_alloc_skb+0x144/0x340 [ 276.824600] ndisc_send_rs+0x331/0x6e0 [ 276.828506] addrconf_rs_timer+0x3c0/0x6f0 [ 276.832751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.837005] call_timer_fn+0x272/0x920 [ 276.840896] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.845140] ? process_timeout+0x40/0x40 [ 276.849206] ? find_held_lock+0x36/0x1c0 [ 276.853282] ? mark_held_locks+0xc7/0x130 [ 276.857439] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.861937] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.866435] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.870676] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 276.875276] ? trace_hardirqs_on+0xbd/0x310 [ 276.879614] ? kasan_check_read+0x11/0x20 [ 276.883767] ? __run_timers+0x7da/0xc70 [ 276.887744] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.893203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.897448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.901685] __run_timers+0x7e5/0xc70 [ 276.905507] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 276.910876] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.915908] ? graph_lock+0x170/0x170 [ 276.919730] ? print_usage_bug+0xc0/0xc0 [ 276.924245] ? lock_release+0x970/0x970 [ 276.928230] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.933437] ? find_held_lock+0x36/0x1c0 [ 276.937512] ? graph_lock+0x170/0x170 [ 276.941326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.946871] ? check_preemption_disabled+0x48/0x200 [ 276.951906] ? __lock_is_held+0xb5/0x140 [ 276.955976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.961517] ? check_preemption_disabled+0x48/0x200 [ 276.966545] run_timer_softirq+0x52/0xb0 [ 276.970621] ? rcu_read_lock_sched_held+0x108/0x120 [ 276.975652] __do_softirq+0x30b/0xad8 [ 276.979469] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.984585] ? pvclock_read_flags+0x160/0x160 [ 276.989088] ? lapic_next_event+0x5a/0x90 [ 276.993237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.998950] ? check_preemption_disabled+0x48/0x200 [ 277.003972] ? check_preemption_disabled+0x48/0x200 [ 277.009003] ? kvm_clock_read+0x18/0x30 [ 277.012982] ? kvm_sched_clock_read+0x9/0x20 [ 277.017407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.023446] ? check_preemption_disabled+0x48/0x200 [ 277.028480] irq_exit+0x17f/0x1c0 [ 277.031946] smp_apic_timer_interrupt+0x1cb/0x760 [ 277.036797] ? smp_reschedule_interrupt+0x109/0x650 [ 277.041822] ? smp_call_function_single_interrupt+0x650/0x650 [ 277.047710] ? interrupt_entry+0xb5/0xf0 [ 277.051790] ? trace_hardirqs_off_caller+0xbb/0x300 [ 277.056809] ? trace_hardirqs_off_caller+0xbb/0x300 [ 277.061839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.066689] ? trace_hardirqs_off+0x300/0x300 [ 277.071190] ? trace_hardirqs_off+0x300/0x300 [ 277.075692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.081236] ? check_preemption_disabled+0x48/0x200 [ 277.086278] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.091140] apic_timer_interrupt+0xf/0x20 [ 277.095385] [ 277.097638] RIP: 0010:console_unlock+0x1017/0x11a0 [ 277.102571] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 277.121955] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 277.130139] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 277.137412] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 277.144683] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 277.151954] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 277.159224] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 277.166506] ? netconsole_netdev_event+0x280/0x280 [ 277.171450] ? console_unlock+0x100e/0x11a0 [ 277.175805] ? devkmsg_read+0xbb0/0xbb0 [ 277.179791] ? vprintk_emit+0x7f7/0x930 [ 277.183772] ? lock_release+0x970/0x970 [ 277.187767] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.193220] ? vprintk_default+0x28/0x30 [ 277.197304] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.202760] ? kasan_check_write+0x14/0x20 [ 277.207003] ? do_raw_spin_lock+0xc1/0x200 [ 277.211254] vprintk_emit+0x33d/0x930 [ 277.215069] ? wake_up_klogd+0x180/0x180 [ 277.219154] ? find_held_lock+0x36/0x1c0 [ 277.223735] ? mark_held_locks+0xc7/0x130 [ 277.227888] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.232388] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.236902] vprintk_default+0x28/0x30 [ 277.240796] vprintk_func+0x7e/0x181 [ 277.244535] printk+0xa7/0xcf [ 277.247647] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 277.252420] ? _raw_spin_unlock_irq+0x60/0x80 [ 277.256936] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 277.262227] dump_header+0x7cc/0xf72 [ 277.265959] ? pagefault_out_of_memory+0x197/0x197 [ 277.270904] ? __lock_acquire+0x7ec/0x4ec0 [ 277.275146] ? print_usage_bug+0xc0/0xc0 [ 277.279219] ? graph_lock+0x170/0x170 [ 277.283019] ? graph_lock+0x170/0x170 [ 277.286824] ? print_usage_bug+0xc0/0xc0 [ 277.290892] ? print_usage_bug+0xc0/0xc0 [ 277.294963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.300508] ? find_held_lock+0x36/0x1c0 [ 277.304584] ? mark_held_locks+0xc7/0x130 [ 277.308745] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 277.313854] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 277.318961] ? lockdep_hardirqs_on+0x421/0x5c0 [ 277.323987] ? trace_hardirqs_on+0xbd/0x310 [ 277.328319] ? kasan_check_read+0x11/0x20 [ 277.332472] ? ___ratelimit+0x36f/0x655 [ 277.336454] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.341909] ? trace_hardirqs_on+0x310/0x310 [ 277.346322] ? lock_downgrade+0x900/0x900 [ 277.350480] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 277.355589] ? ___ratelimit+0xaa/0x655 [ 277.359507] ? idr_get_free+0xec0/0xec0 [ 277.363492] ? kasan_check_write+0x14/0x20 [ 277.367731] ? do_raw_spin_lock+0xc1/0x200 [ 277.371978] oom_kill_process.cold.27+0x10/0x903 [ 277.377086] ? graph_lock+0x170/0x170 [ 277.380889] ? _raw_spin_unlock+0x2c/0x50 [ 277.385052] ? oom_badness+0xe6/0xaa0 [ 277.388867] ? oom_evaluate_task+0x540/0x540 [ 277.393284] ? find_held_lock+0x36/0x1c0 [ 277.397355] ? out_of_memory+0x974/0x14c0 [ 277.401508] ? lock_downgrade+0x900/0x900 [ 277.405663] ? check_preemption_disabled+0x48/0x200 [ 277.410710] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.416514] ? kasan_check_read+0x11/0x20 [ 277.420666] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.426428] ? rcu_bh_qs+0xc0/0xc0 [ 277.429977] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 277.435518] ? oom_evaluate_task+0x302/0x540 [ 277.439935] out_of_memory+0xa86/0x14c0 [ 277.443923] ? oom_killer_disable+0x3a0/0x3a0 [ 277.448433] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 277.453374] ? __mutex_add_waiter+0x2a0/0x2a0 [ 277.457894] __alloc_pages_slowpath+0x2318/0x2d80 [ 277.462783] ? warn_alloc+0x120/0x120 [ 277.466594] ? __radix_tree_lookup+0x4c0/0x4c0 [ 277.471201] ? find_get_entry+0x2f2/0xc40 [ 277.475369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.480922] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 277.485862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.491413] ? should_fail+0x22d/0xd01 [ 277.495324] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.500438] ? __lock_is_held+0xb5/0x140 [ 277.504535] ? __lock_is_held+0xb5/0x140 [ 277.508612] ? find_held_lock+0x36/0x1c0 [ 277.512692] ? ___might_sleep+0x1ed/0x300 [ 277.516843] ? lock_release+0x970/0x970 [ 277.520825] ? arch_local_save_flags+0x40/0x40 [ 277.525907] ? __might_sleep+0x95/0x190 [ 277.529892] __alloc_pages_nodemask+0xa80/0xde0 [ 277.534573] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 277.539601] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.545417] ? kasan_check_read+0x11/0x20 [ 277.549613] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.554910] ? graph_lock+0x170/0x170 [ 277.558726] ? print_usage_bug+0xc0/0xc0 [ 277.562793] ? graph_lock+0x170/0x170 [ 277.566618] ? graph_lock+0x170/0x170 [ 277.570437] ? __do_page_cache_readahead+0x7ce/0x980 [ 277.575551] ? find_held_lock+0x36/0x1c0 [ 277.579660] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 277.585211] alloc_pages_current+0x10c/0x210 [ 277.589626] ? lock_downgrade+0x900/0x900 [ 277.593790] __page_cache_alloc+0x38f/0x5b0 [ 277.598115] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.603925] ? kasan_check_read+0x11/0x20 [ 277.608080] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.613373] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 277.618055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.624072] ? check_preemption_disabled+0x48/0x200 [ 277.629101] filemap_fault+0x1594/0x25f0 [ 277.633183] ? __lock_page_or_retry+0xa00/0xa00 [ 277.637860] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.643666] ? kasan_check_read+0x11/0x20 [ 277.647818] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.653098] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 277.658204] ? rcu_bh_qs+0xc0/0xc0 [ 277.661753] ? trace_hardirqs_on+0xbd/0x310 [ 277.666083] ? kasan_check_read+0x11/0x20 [ 277.670237] ? __free_object+0x173/0x340 [ 277.674312] ? filemap_map_pages+0xdea/0x1980 [ 277.678817] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 277.683928] ? __free_object+0x173/0x340 [ 277.687994] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 277.693270] ? debug_object_free+0x325/0x690 [ 277.697689] ? find_get_pages_range_tag+0x1320/0x1320 [ 277.702889] ? graph_lock+0x170/0x170 [ 277.706709] ? kasan_check_read+0x11/0x20 [ 277.710863] ? debug_object_destroy+0x2b0/0x2b0 [ 277.715551] ? lock_acquire+0x1ed/0x520 [ 277.719531] ? ext4_filemap_fault+0x7a/0xad [ 277.724343] ? lock_release+0x970/0x970 [ 277.728329] ? arch_local_save_flags+0x40/0x40 [ 277.732922] ? futex_wait_setup+0x3e0/0x3e0 [ 277.737260] ? down_read+0xb0/0x1d0 [ 277.740888] ? ext4_filemap_fault+0x7a/0xad [ 277.745232] ? __down_interruptible+0x700/0x700 [ 277.749923] ext4_filemap_fault+0x82/0xad [ 277.754080] __do_fault+0x100/0x6b0 [ 277.757714] ? print_bad_pte+0x6c0/0x6c0 [ 277.761783] ? do_futex+0x249/0x26d0 [ 277.765499] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.770957] ? kasan_check_read+0x11/0x20 [ 277.775110] ? pmd_val+0x88/0x100 [ 277.778595] ? add_mm_counter_fast+0xd0/0xd0 [ 277.783014] ? pmd_val+0x88/0x100 [ 277.786475] ? add_mm_counter_fast+0xd0/0xd0 [ 277.790893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.796454] __handle_mm_fault+0x3709/0x53e0 [ 277.800877] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 277.805728] ? graph_lock+0x170/0x170 [ 277.809555] ? print_usage_bug+0xc0/0xc0 [ 277.813662] ? lockdep_hardirqs_on+0x421/0x5c0 [ 277.818248] ? graph_lock+0x170/0x170 [ 277.822053] ? graph_lock+0x170/0x170 [ 277.826349] ? handle_mm_fault+0x42a/0xc70 [ 277.830593] ? lock_downgrade+0x900/0x900 [ 277.834755] ? check_preemption_disabled+0x48/0x200 [ 277.839787] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.845586] ? kasan_check_read+0x11/0x20 [ 277.849749] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.855032] ? rcu_bh_qs+0xc0/0xc0 [ 277.858578] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.864043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.869589] ? check_preemption_disabled+0x48/0x200 [ 277.874636] handle_mm_fault+0x54f/0xc70 [ 277.878719] ? __handle_mm_fault+0x53e0/0x53e0 [ 277.883311] ? find_vma+0x34/0x190 [ 277.886868] __do_page_fault+0x67d/0xed0 [ 277.890947] ? mm_fault_error+0x380/0x380 [ 277.895099] ? trace_hardirqs_off+0xb8/0x300 [ 277.899510] ? trace_hardirqs_on+0x310/0x310 [ 277.903923] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 277.909289] ? trace_hardirqs_on+0x310/0x310 [ 277.913724] do_page_fault+0xf2/0x7e0 [ 277.917530] ? vmalloc_sync_all+0x30/0x30 [ 277.921690] ? error_entry+0x70/0xd0 [ 277.925895] ? trace_hardirqs_off_caller+0xbb/0x300 [ 277.930920] ? trace_hardirqs_on_caller+0xc0/0x300 [ 277.935854] ? syscall_return_slowpath+0x5e0/0x5e0 [ 277.941679] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.946529] ? trace_hardirqs_off+0x300/0x300 [ 277.951027] ? trace_hardirqs_off_caller+0x300/0x300 [ 277.956147] ? prepare_exit_to_usermode+0x291/0x3b0 [ 277.961190] ? page_fault+0x8/0x30 [ 277.964744] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.969594] ? page_fault+0x8/0x30 [ 277.973153] page_fault+0x1e/0x30 [ 277.976615] RIP: 0033:0x45ddf3 [ 277.979830] Code: Bad RIP value. [ 277.983195] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 277.988561] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 277.995837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 278.003113] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 278.010385] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 278.017665] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 278.025495] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 278.025501] warn_alloc_show_mem: 1 callbacks suppressed [ 278.025509] Mem-Info: [ 278.032708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.038079] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 278.038079] active_file:16 inactive_file:19 isolated_file:0 [ 278.038079] unevictable:0 dirty:0 writeback:0 unstable:0 [ 278.038079] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 278.038079] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 278.038079] free:13708 free_pcp:124 free_cma:0 [ 278.040454] Call Trace: [ 278.049848] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 278.082706] [ 278.085284] Node 0 [ 278.112957] dump_stack+0x1c4/0x2b4 [ 278.115112] 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 [ 278.117323] ? dump_stack_print_info.cold.2+0x52/0x52 [ 278.120922] lowmem_reserve[]: 0 [ 278.146442] warn_alloc.cold.118+0xb7/0x1bd [ 278.151615] 2817 [ 278.154888] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.159189] 6321 [ 278.161255] ? lock_downgrade+0x900/0x900 [ 278.166077] 6321 [ 278.168146] ? trace_hardirqs_off+0xb8/0x300 [ 278.174336] ? trace_hardirqs_off+0xb8/0x300 [ 278.178724] Node 0 DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 278.183161] __alloc_pages_slowpath+0x2667/0x2d80 [ 278.183205] ? warn_alloc+0x120/0x120 [ 278.210744] lowmem_reserve[]: 0 [ 278.215604] ? warn_alloc+0x120/0x120 [ 278.219389] 0 [ 278.222669] ? print_usage_bug+0xc0/0xc0 [ 278.226916] 3503 3503 [ 278.228730] ? warn_alloc+0x120/0x120 [ 278.235267] ? print_usage_bug+0xc0/0xc0 [ 278.239053] Node 0 Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 278.243141] ? __lock_acquire+0x7ec/0x4ec0 [ 278.243159] ? __lock_acquire+0x7ec/0x4ec0 [ 278.271937] lowmem_reserve[]: 0 [ 278.276186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.280392] 0 0 [ 278.283699] ? should_fail+0x22d/0xd01 [ 278.289216] 0 [ 278.291192] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.295059] Node 0 [ 278.296866] ? __lock_acquire+0x7ec/0x4ec0 [ 278.301967] DMA: [ 278.304206] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.308422] 1*4kB [ 278.310481] ? __lock_acquire+0x7ec/0x4ec0 [ 278.315560] (U) [ 278.317711] ? should_fail+0x22d/0xd01 [ 278.321949] 0*8kB 0*16kB [ 278.323949] ? mark_held_locks+0x130/0x130 [ 278.327819] 1*32kB [ 278.330576] ? mark_held_locks+0x130/0x130 [ 278.334794] (U) [ 278.337030] ? graph_lock+0x170/0x170 [ 278.341239] 2*64kB (U) [ 278.343223] ? graph_lock+0x170/0x170 [ 278.347007] 1*128kB [ 278.349586] ? graph_lock+0x170/0x170 [ 278.353367] (U) [ 278.355690] ? print_usage_bug+0xc0/0xc0 [ 278.359641] 1*256kB (U) [ 278.361621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.361639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.365676] 0*512kB 1*1024kB [ 278.368357] ? check_preemption_disabled+0x48/0x200 [ 278.373870] (U) [ 278.379433] ? check_preemption_disabled+0x48/0x200 [ 278.382517] 1*2048kB [ 278.387534] ? __lock_is_held+0xb5/0x140 [ 278.389483] (M) [ 278.394500] __alloc_pages_nodemask+0xa80/0xde0 [ 278.396893] 3*4096kB [ 278.400952] ? graph_lock+0x170/0x170 [ 278.402904] (M) = 15908kB [ 278.407584] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 278.409975] Node 0 [ 278.413773] ? graph_lock+0x170/0x170 [ 278.416511] DMA32: [ 278.421534] ? find_held_lock+0x36/0x1c0 [ 278.424237] 3*4kB [ 278.428046] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.430258] (UM) [ 278.434319] ? lock_downgrade+0x900/0x900 [ 278.436446] 2*8kB (M) [ 278.441128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.443169] 3*16kB (UM) [ 278.447329] cache_grow_begin+0x91/0x8c0 [ 278.449805] 3*32kB [ 278.455341] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.457992] (M) [ 278.462053] fallback_alloc+0x203/0x2e0 [ 278.464265] 3*64kB [ 278.468672] ____cache_alloc_node+0x1c7/0x1e0 [ 278.470631] (UM) [ 278.474609] kmem_cache_alloc_node+0xe3/0x730 [ 278.476824] 4*128kB (UM) [ 278.481327] ? ipv6_get_ifaddr+0x42e/0x620 [ 278.483362] 3*256kB (M) [ 278.487870] __alloc_skb+0x119/0x770 [ 278.490599] 4*512kB (M) [ 278.494848] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.497496] 3*1024kB [ 278.501204] ? skb_scrub_packet+0x490/0x490 [ 278.503875] (UM) [ 278.509159] ? lock_downgrade+0x900/0x900 [ 278.511550] 1*2048kB [ 278.515873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.517914] (M) [ 278.522065] ? refcount_sub_and_test_checked+0x203/0x310 [ 278.524661] 4*4096kB (M) [ 278.530210] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 278.532165] = 25196kB [ 278.537615] ? addrconf_rs_timer+0x6f0/0x6f0 [ 278.540359] Node 0 [ 278.545813] ndisc_alloc_skb+0x144/0x340 [ 278.548196] Normal: [ 278.552605] ndisc_send_rs+0x331/0x6e0 [ 278.554828] 852*4kB [ 278.558888] addrconf_rs_timer+0x3c0/0x6f0 [ 278.561190] (UMEH) [ 278.565082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.567385] 324*8kB [ 278.571637] call_timer_fn+0x272/0x920 [ 278.573847] (UMEH) [ 278.578187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.580492] 169*16kB [ 278.584377] ? process_timeout+0x40/0x40 [ 278.586596] (UMEH) [ 278.590827] ? find_held_lock+0x36/0x1c0 [ 278.593219] 81*32kB [ 278.597289] ? __run_timers+0x7da/0xc70 [ 278.599499] (UMEH) [ 278.603571] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.605877] 31*64kB [ 278.609857] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.612079] (UMH) [ 278.616582] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.618885] 3*128kB [ 278.623372] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 278.623383] ? trace_hardirqs_on+0xbd/0x310 [ 278.623392] ? kasan_check_read+0x11/0x20 [ 278.623403] ? __run_timers+0x7da/0xc70 [ 278.623419] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.623438] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.625571] (H) [ 278.629807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.632112] 1*256kB [ 278.636696] __run_timers+0x7e5/0xc70 [ 278.640999] (H) [ 278.645156] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 278.649102] 0*512kB [ 278.654551] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.658762] 0*1024kB [ 278.660736] ? graph_lock+0x170/0x170 [ 278.664956] 0*2048kB [ 278.667275] ? enqueue_hrtimer+0x1a5/0x560 [ 278.671052] 0*4096kB = 13920kB [ 278.673036] ? lock_release+0x970/0x970 [ 278.678419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 278.680734] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 278.685738] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 278.688142] ? find_held_lock+0x36/0x1c0 [ 278.691923] 414 total pagecache pages [ 278.694337] ? graph_lock+0x170/0x170 [ 278.698560] 0 pages in swap cache [ 278.701747] ? pvclock_read_flags+0x160/0x160 [ 278.705702] Swap cache stats: add 0, delete 0, find 0/0 [ 278.714546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.719715] Free swap = 0kB [ 278.728290] ? check_preemption_disabled+0x48/0x200 [ 278.732331] Total swap = 0kB [ 278.736135] ? __lock_is_held+0xb5/0x140 [ 278.739903] 1965979 pages RAM [ 278.739912] 0 pages HighMem/MovableOnly [ 278.743368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.747838] 342744 pages reserved [ 278.747848] 0 pages cma reserved [ 278.753212] ? check_preemption_disabled+0x48/0x200 [ 278.758802] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.761755] run_timer_softirq+0x52/0xb0 [ 278.761772] ? rcu_read_lock_sched_held+0x108/0x120 [ 278.761791] __do_softirq+0x30b/0xad8 [ 278.766850] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.769814] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 278.773854] syz-fuzzer cpuset= [ 278.776964] ? pvclock_read_flags+0x160/0x160 [ 278.780938] / [ 278.786473] ? lapic_next_event+0x5a/0x90 [ 278.789905] mems_allowed=0 [ 278.849285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.854827] ? check_preemption_disabled+0x48/0x200 [ 278.859858] ? check_preemption_disabled+0x48/0x200 [ 278.864884] ? kvm_clock_read+0x18/0x30 [ 278.868870] ? kvm_sched_clock_read+0x9/0x20 [ 278.873290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.879084] ? check_preemption_disabled+0x48/0x200 [ 278.884124] irq_exit+0x17f/0x1c0 [ 278.887588] smp_apic_timer_interrupt+0x1cb/0x760 [ 278.892435] ? smp_reschedule_interrupt+0x109/0x650 [ 278.897475] ? smp_call_function_single_interrupt+0x650/0x650 [ 278.903368] ? interrupt_entry+0xb5/0xf0 [ 278.907432] ? trace_hardirqs_off_caller+0xbb/0x300 [ 278.912453] ? trace_hardirqs_off_caller+0xbb/0x300 [ 278.917474] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.922319] ? trace_hardirqs_off+0x300/0x300 [ 278.926821] ? trace_hardirqs_off+0x300/0x300 [ 278.931369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.936934] ? check_preemption_disabled+0x48/0x200 [ 278.941960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.947508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.952363] apic_timer_interrupt+0xf/0x20 [ 278.956595] [ 278.958840] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 278.963776] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 278.982702] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 278.990419] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 278.998222] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 279.005493] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 279.012767] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 279.020049] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 279.027365] skb_clone+0x1bb/0x500 [ 279.030918] ? finish_task_switch+0x2f5/0x900 [ 279.035423] ? skb_split+0x11e0/0x11e0 [ 279.039316] ? preempt_notifier_register+0x200/0x200 [ 279.044430] ? __switch_to_asm+0x34/0x70 [ 279.048487] ? __switch_to_asm+0x34/0x70 [ 279.052565] ? __switch_to_asm+0x40/0x70 [ 279.056633] ? __switch_to_asm+0x34/0x70 [ 279.060695] ? __switch_to_asm+0x40/0x70 [ 279.064757] ? __switch_to_asm+0x34/0x70 [ 279.068832] ? __switch_to_asm+0x40/0x70 [ 279.072938] ? __switch_to_asm+0x34/0x70 [ 279.077000] ? __switch_to_asm+0x34/0x70 [ 279.081062] ? __switch_to_asm+0x40/0x70 [ 279.085141] ? __switch_to_asm+0x34/0x70 [ 279.089208] bpf_clone_redirect+0xb9/0x490 [ 279.093445] ? __schedule+0x874/0x1ed0 [ 279.097344] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 279.102364] ? __sched_text_start+0x8/0x8 [ 279.106722] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 279.111494] ? find_held_lock+0x36/0x1c0 [ 279.115565] ? lock_acquire+0x1ed/0x520 [ 279.119539] ? bpf_test_run+0x32e/0x5a0 [ 279.123509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.129043] ? check_preemption_disabled+0x48/0x200 [ 279.134113] ? kasan_check_read+0x11/0x20 [ 279.138264] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.143543] ? rcu_bh_qs+0xc0/0xc0 [ 279.147086] ? preempt_schedule+0x4d/0x60 [ 279.152145] ? ___preempt_schedule+0x16/0x18 [ 279.156565] ? bpf_test_run+0x1c0/0x5a0 [ 279.160566] ? netlink_diag_dump+0x2a0/0x2a0 [ 279.164984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.170520] ? bpf_test_init.isra.9+0x70/0x100 [ 279.175110] ? bpf_prog_test_run_skb+0x634/0xb40 [ 279.179875] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 279.184721] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 279.190273] ? fput+0x130/0x1a0 [ 279.193574] ? __bpf_prog_get+0x9b/0x290 [ 279.197648] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 279.202494] ? bpf_prog_test_run+0x130/0x1a0 [ 279.206917] ? __x64_sys_bpf+0x3d8/0x510 [ 279.210978] ? bpf_prog_get+0x20/0x20 [ 279.214786] ? ksys_ioctl+0x81/0xd0 [ 279.218459] ? do_syscall_64+0x1b9/0x820 [ 279.222534] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 279.227908] ? syscall_return_slowpath+0x5e0/0x5e0 [ 279.232841] ? trace_hardirqs_off+0x300/0x300 [ 279.237342] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 279.242367] ? recalc_sigpending_tsk+0x180/0x180 [ 279.247125] ? kasan_check_write+0x14/0x20 [ 279.251367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.256216] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 279.261621] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 279.261682] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.268556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.268566] Call Trace: [ 279.275137] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.284393] [ 279.286966] syz-executor7 cpuset= [ 279.297447] dump_stack+0x1c4/0x2b4 [ 279.299588] syz7 [ 279.303055] ? dump_stack_print_info.cold.2+0x52/0x52 [ 279.306660] mems_allowed=0 [ 279.308646] warn_alloc.cold.118+0xb7/0x1bd [ 279.321043] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.326418] ? lock_downgrade+0x900/0x900 [ 279.330580] ? trace_hardirqs_off+0xb8/0x300 [ 279.335002] ? trace_hardirqs_off+0xb8/0x300 [ 279.339426] __alloc_pages_slowpath+0x2667/0x2d80 [ 279.344300] ? warn_alloc+0x120/0x120 [ 279.348108] ? warn_alloc+0x120/0x120 [ 279.351926] ? print_usage_bug+0xc0/0xc0 [ 279.355989] ? warn_alloc+0x120/0x120 [ 279.359808] ? print_usage_bug+0xc0/0xc0 [ 279.363874] ? __lock_acquire+0x7ec/0x4ec0 [ 279.368116] ? __lock_acquire+0x7ec/0x4ec0 [ 279.372356] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.377895] ? should_fail+0x22d/0xd01 [ 279.381799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.386903] ? __lock_acquire+0x7ec/0x4ec0 [ 279.391163] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.396268] ? __lock_acquire+0x7ec/0x4ec0 [ 279.400504] ? should_fail+0x22d/0xd01 [ 279.404410] ? mark_held_locks+0x130/0x130 [ 279.408653] ? mark_held_locks+0x130/0x130 [ 279.412893] ? graph_lock+0x170/0x170 [ 279.416694] ? graph_lock+0x170/0x170 [ 279.420508] ? graph_lock+0x170/0x170 [ 279.424766] ? print_usage_bug+0xc0/0xc0 [ 279.428834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.434413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.439956] ? check_preemption_disabled+0x48/0x200 [ 279.444974] ? check_preemption_disabled+0x48/0x200 [ 279.450004] ? __lock_is_held+0xb5/0x140 [ 279.454077] __alloc_pages_nodemask+0xa80/0xde0 [ 279.458747] ? graph_lock+0x170/0x170 [ 279.462557] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 279.467571] ? graph_lock+0x170/0x170 [ 279.471403] ? find_held_lock+0x36/0x1c0 [ 279.475515] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.480185] ? lock_downgrade+0x900/0x900 [ 279.484345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.489887] cache_grow_begin+0x91/0x8c0 [ 279.493951] ? do_raw_spin_unlock+0xa7/0x2f0 [ 279.498363] fallback_alloc+0x203/0x2e0 [ 279.502362] ____cache_alloc_node+0x1c7/0x1e0 [ 279.506870] kmem_cache_alloc_node+0xe3/0x730 [ 279.511370] ? ipv6_get_ifaddr+0x42e/0x620 [ 279.515655] __alloc_skb+0x119/0x770 [ 279.519376] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.525112] ? skb_scrub_packet+0x490/0x490 [ 279.529453] ? lock_downgrade+0x900/0x900 [ 279.533619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.539190] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.544660] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.550114] ? addrconf_rs_timer+0x6f0/0x6f0 [ 279.554542] ndisc_alloc_skb+0x144/0x340 [ 279.558617] ndisc_send_rs+0x331/0x6e0 [ 279.562513] addrconf_rs_timer+0x3c0/0x6f0 [ 279.566767] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.571020] call_timer_fn+0x272/0x920 [ 279.574914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.579155] ? process_timeout+0x40/0x40 [ 279.583215] ? find_held_lock+0x36/0x1c0 [ 279.587286] ? mark_held_locks+0xc7/0x130 [ 279.591438] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.595935] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.600446] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.604686] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 279.609271] ? trace_hardirqs_on+0xbd/0x310 [ 279.613595] ? kasan_check_read+0x11/0x20 [ 279.617749] ? __run_timers+0x7da/0xc70 [ 279.621731] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.627641] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.631886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.636126] __run_timers+0x7e5/0xc70 [ 279.639943] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 279.645309] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 279.650343] ? graph_lock+0x170/0x170 [ 279.654169] ? print_usage_bug+0xc0/0xc0 [ 279.658230] ? lock_release+0x970/0x970 [ 279.662211] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 279.667418] ? find_held_lock+0x36/0x1c0 [ 279.671487] ? graph_lock+0x170/0x170 [ 279.675310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.680885] ? check_preemption_disabled+0x48/0x200 [ 279.685915] ? __lock_is_held+0xb5/0x140 [ 279.689982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.695538] ? check_preemption_disabled+0x48/0x200 [ 279.700565] run_timer_softirq+0x52/0xb0 [ 279.704636] ? rcu_read_lock_sched_held+0x108/0x120 [ 279.709660] __do_softirq+0x30b/0xad8 [ 279.713487] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 279.718602] ? pvclock_read_flags+0x160/0x160 [ 279.723453] ? lapic_next_event+0x5a/0x90 [ 279.727612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.733166] ? check_preemption_disabled+0x48/0x200 [ 279.738196] ? check_preemption_disabled+0x48/0x200 [ 279.743231] ? kvm_clock_read+0x18/0x30 [ 279.747218] ? kvm_sched_clock_read+0x9/0x20 [ 279.751641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.757210] ? check_preemption_disabled+0x48/0x200 [ 279.762252] irq_exit+0x17f/0x1c0 [ 279.765726] smp_apic_timer_interrupt+0x1cb/0x760 [ 279.770591] ? smp_reschedule_interrupt+0x109/0x650 [ 279.775638] ? smp_call_function_single_interrupt+0x650/0x650 [ 279.781544] ? interrupt_entry+0xb5/0xf0 [ 279.785631] ? trace_hardirqs_off_caller+0xbb/0x300 [ 279.790665] ? trace_hardirqs_off_caller+0xbb/0x300 [ 279.795705] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.800569] ? trace_hardirqs_off+0x300/0x300 [ 279.805086] ? trace_hardirqs_off+0x300/0x300 [ 279.809603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.815168] ? check_preemption_disabled+0x48/0x200 [ 279.820243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.825573] apic_timer_interrupt+0xf/0x20 [ 279.829821] [ 279.832074] RIP: 0010:console_unlock+0x1017/0x11a0 [ 279.837012] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 279.855930] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 279.863683] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 279.870972] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 279.878260] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 279.885547] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 279.892833] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 279.900137] ? netconsole_netdev_event+0x280/0x280 [ 279.905080] ? console_unlock+0x100e/0x11a0 [ 279.909426] ? devkmsg_read+0xbb0/0xbb0 [ 279.913405] ? vprintk_emit+0x7f7/0x930 [ 279.917386] ? lock_release+0x970/0x970 [ 279.921371] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.927375] ? vprintk_default+0x28/0x30 [ 279.931441] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.936897] ? kasan_check_write+0x14/0x20 [ 279.941134] ? do_raw_spin_lock+0xc1/0x200 [ 279.945378] vprintk_emit+0x33d/0x930 [ 279.949190] ? wake_up_klogd+0x180/0x180 [ 279.953263] ? find_held_lock+0x36/0x1c0 [ 279.957332] ? mark_held_locks+0xc7/0x130 [ 279.961489] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.965986] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.970495] vprintk_default+0x28/0x30 [ 279.974392] vprintk_func+0x7e/0x181 [ 279.978123] printk+0xa7/0xcf [ 279.981234] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 279.986082] ? _raw_spin_unlock_irq+0x60/0x80 [ 279.990594] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 279.995892] dump_header+0x7cc/0xf72 [ 279.999619] ? pagefault_out_of_memory+0x197/0x197 [ 280.004561] ? __lock_acquire+0x7ec/0x4ec0 [ 280.008803] ? print_usage_bug+0xc0/0xc0 [ 280.012875] ? graph_lock+0x170/0x170 [ 280.016675] ? graph_lock+0x170/0x170 [ 280.020478] ? print_usage_bug+0xc0/0xc0 [ 280.024937] ? print_usage_bug+0xc0/0xc0 [ 280.029004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.034550] ? find_held_lock+0x36/0x1c0 [ 280.038628] ? mark_held_locks+0xc7/0x130 [ 280.042782] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 280.047898] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 280.053003] ? lockdep_hardirqs_on+0x421/0x5c0 [ 280.057591] ? trace_hardirqs_on+0xbd/0x310 [ 280.061925] ? kasan_check_read+0x11/0x20 [ 280.066074] ? ___ratelimit+0x36f/0x655 [ 280.070054] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.075507] ? trace_hardirqs_on+0x310/0x310 [ 280.079924] ? lock_downgrade+0x900/0x900 [ 280.084083] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 280.089189] ? ___ratelimit+0xaa/0x655 [ 280.093079] ? idr_get_free+0xec0/0xec0 [ 280.097061] ? kasan_check_write+0x14/0x20 [ 280.101297] ? do_raw_spin_lock+0xc1/0x200 [ 280.105545] oom_kill_process.cold.27+0x10/0x903 [ 280.110303] ? graph_lock+0x170/0x170 [ 280.114106] ? _raw_spin_unlock+0x2c/0x50 [ 280.118254] ? oom_badness+0xe6/0xaa0 [ 280.122062] ? oom_evaluate_task+0x540/0x540 [ 280.126945] ? find_held_lock+0x36/0x1c0 [ 280.131018] ? out_of_memory+0x974/0x14c0 [ 280.135168] ? lock_downgrade+0x900/0x900 [ 280.139318] ? check_preemption_disabled+0x48/0x200 [ 280.144344] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.150143] ? kasan_check_read+0x11/0x20 [ 280.154295] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.159575] ? rcu_bh_qs+0xc0/0xc0 [ 280.163129] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 280.168672] ? oom_evaluate_task+0x302/0x540 [ 280.173113] out_of_memory+0xa86/0x14c0 [ 280.177098] ? oom_killer_disable+0x3a0/0x3a0 [ 280.181601] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 280.186547] ? __mutex_add_waiter+0x2a0/0x2a0 [ 280.191058] __alloc_pages_slowpath+0x2318/0x2d80 [ 280.195934] ? warn_alloc+0x120/0x120 [ 280.199736] ? __radix_tree_lookup+0x4c0/0x4c0 [ 280.204333] ? find_get_entry+0x2f2/0xc40 [ 280.208493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.214035] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 280.218968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.224845] ? should_fail+0x22d/0xd01 [ 280.228739] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.233842] ? __lock_is_held+0xb5/0x140 [ 280.237932] ? __lock_is_held+0xb5/0x140 [ 280.242007] ? find_held_lock+0x36/0x1c0 [ 280.246170] ? ___might_sleep+0x1ed/0x300 [ 280.250320] ? lock_release+0x970/0x970 [ 280.254301] ? arch_local_save_flags+0x40/0x40 [ 280.258900] ? __might_sleep+0x95/0x190 [ 280.262883] __alloc_pages_nodemask+0xa80/0xde0 [ 280.267562] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 280.272583] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.278419] ? kasan_check_read+0x11/0x20 [ 280.282574] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.287862] ? graph_lock+0x170/0x170 [ 280.291671] ? print_usage_bug+0xc0/0xc0 [ 280.295740] ? graph_lock+0x170/0x170 [ 280.299540] ? graph_lock+0x170/0x170 [ 280.303341] ? __do_page_cache_readahead+0x7ce/0x980 [ 280.308463] ? find_held_lock+0x36/0x1c0 [ 280.312541] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 280.318086] alloc_pages_current+0x10c/0x210 [ 280.322498] ? lock_downgrade+0x900/0x900 [ 280.327116] __page_cache_alloc+0x38f/0x5b0 [ 280.331444] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.337247] ? kasan_check_read+0x11/0x20 [ 280.341404] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.346685] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 280.351359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.356906] ? check_preemption_disabled+0x48/0x200 [ 280.361934] filemap_fault+0x1594/0x25f0 [ 280.366013] ? __lock_page_or_retry+0xa00/0xa00 [ 280.370688] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.376489] ? kasan_check_read+0x11/0x20 [ 280.380648] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.385926] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 280.391033] ? rcu_bh_qs+0xc0/0xc0 [ 280.394578] ? trace_hardirqs_on+0xbd/0x310 [ 280.398920] ? kasan_check_read+0x11/0x20 [ 280.403069] ? __free_object+0x173/0x340 [ 280.407137] ? filemap_map_pages+0xdea/0x1980 [ 280.411647] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 280.416774] ? __free_object+0x173/0x340 [ 280.420841] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 280.426589] ? debug_object_free+0x325/0x690 [ 280.431011] ? find_get_pages_range_tag+0x1320/0x1320 [ 280.436210] ? graph_lock+0x170/0x170 [ 280.440025] ? kasan_check_read+0x11/0x20 [ 280.444195] ? debug_object_destroy+0x2b0/0x2b0 [ 280.448878] ? lock_acquire+0x1ed/0x520 [ 280.452858] ? ext4_filemap_fault+0x7a/0xad [ 280.457187] ? lock_release+0x970/0x970 [ 280.461166] ? arch_local_save_flags+0x40/0x40 [ 280.465764] ? futex_wait_setup+0x3e0/0x3e0 [ 280.470101] ? down_read+0xb0/0x1d0 [ 280.473728] ? ext4_filemap_fault+0x7a/0xad [ 280.478049] ? __down_interruptible+0x700/0x700 [ 280.482739] ext4_filemap_fault+0x82/0xad [ 280.486892] __do_fault+0x100/0x6b0 [ 280.490530] ? print_bad_pte+0x6c0/0x6c0 [ 280.494593] ? do_futex+0x249/0x26d0 [ 280.498316] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.503772] ? kasan_check_read+0x11/0x20 [ 280.507922] ? pmd_val+0x88/0x100 [ 280.511380] ? add_mm_counter_fast+0xd0/0xd0 [ 280.515793] ? pmd_val+0x88/0x100 [ 280.519252] ? add_mm_counter_fast+0xd0/0xd0 [ 280.524171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.529718] __handle_mm_fault+0x3709/0x53e0 [ 280.534138] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 280.538987] ? graph_lock+0x170/0x170 [ 280.542794] ? print_usage_bug+0xc0/0xc0 [ 280.546855] ? lockdep_hardirqs_on+0x421/0x5c0 [ 280.551441] ? graph_lock+0x170/0x170 [ 280.555242] ? graph_lock+0x170/0x170 [ 280.559089] ? handle_mm_fault+0x42a/0xc70 [ 280.563347] ? lock_downgrade+0x900/0x900 [ 280.567500] ? check_preemption_disabled+0x48/0x200 [ 280.572548] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.578359] ? kasan_check_read+0x11/0x20 [ 280.582515] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.587795] ? rcu_bh_qs+0xc0/0xc0 [ 280.591336] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.596791] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.602331] ? check_preemption_disabled+0x48/0x200 [ 280.607382] handle_mm_fault+0x54f/0xc70 [ 280.611455] ? __handle_mm_fault+0x53e0/0x53e0 [ 280.616045] ? find_vma+0x34/0x190 [ 280.619596] __do_page_fault+0x67d/0xed0 [ 280.624173] ? mm_fault_error+0x380/0x380 [ 280.628322] ? trace_hardirqs_off+0xb8/0x300 [ 280.632729] ? trace_hardirqs_on+0x310/0x310 [ 280.637140] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 280.642506] ? trace_hardirqs_on+0x310/0x310 [ 280.646936] do_page_fault+0xf2/0x7e0 [ 280.650750] ? vmalloc_sync_all+0x30/0x30 [ 280.654901] ? error_entry+0x70/0xd0 [ 280.658627] ? trace_hardirqs_off_caller+0xbb/0x300 [ 280.663647] ? trace_hardirqs_on_caller+0xc0/0x300 [ 280.668582] ? syscall_return_slowpath+0x5e0/0x5e0 [ 280.673521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.678371] ? trace_hardirqs_off+0x300/0x300 [ 280.682874] ? trace_hardirqs_off_caller+0x300/0x300 [ 280.687988] ? prepare_exit_to_usermode+0x291/0x3b0 [ 280.693008] ? page_fault+0x8/0x30 [ 280.696554] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.701410] ? page_fault+0x8/0x30 [ 280.704955] page_fault+0x1e/0x30 [ 280.708414] RIP: 0033:0x45ddf3 [ 280.711623] Code: Bad RIP value. [ 280.714988] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 280.720352] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 280.728230] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 280.735589] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 280.742864] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 280.750134] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 280.757441] warn_alloc_show_mem: 1 callbacks suppressed [ 280.757453] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 280.757455] Mem-Info: [ 280.757485] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 280.757485] active_file:16 inactive_file:19 isolated_file:0 [ 280.757485] unevictable:0 dirty:0 writeback:0 unstable:0 [ 280.757485] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 280.757485] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 280.757485] free:13708 free_pcp:124 free_cma:0 [ 280.762838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.770032] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 280.772405] Call Trace: [ 280.772438] [ 280.805313] Node 0 [ 280.814697] dump_stack+0x1c4/0x2b4 [ 280.842666] 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 [ 280.845236] ? dump_stack_print_info.cold.2+0x52/0x52 [ 280.847357] lowmem_reserve[]: 0 [ 280.849613] warn_alloc.cold.118+0xb7/0x1bd [ 280.853219] 2817 6321 [ 280.878747] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 280.883922] 6321 [ 280.887201] ? lock_downgrade+0x900/0x900 [ 280.891503] Node 0 [ 280.894003] ? trace_hardirqs_off+0xb8/0x300 [ 280.898845] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 280.900883] ? trace_hardirqs_off+0xb8/0x300 [ 280.905000] lowmem_reserve[]: 0 [ 280.907273] __alloc_pages_slowpath+0x2667/0x2d80 [ 280.911656] 0 [ 280.938668] ? warn_alloc+0x120/0x120 [ 280.943030] 3503 [ 280.946310] ? trace_hardirqs_on+0x310/0x310 [ 280.951129] 3503 [ 280.952938] ? warn_alloc+0x120/0x120 [ 280.958781] ? print_usage_bug+0xc0/0xc0 [ 280.963166] Node 0 [ 280.965227] ? warn_alloc+0x120/0x120 [ 280.969035] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 280.973069] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 280.975284] lowmem_reserve[]: [ 280.979087] ? print_usage_bug+0xc0/0xc0 [ 281.007470] 0 0 [ 281.012525] ? __lock_acquire+0x7ec/0x4ec0 [ 281.015600] 0 [ 281.019659] ? __lock_acquire+0x7ec/0x4ec0 [ 281.021618] 0 [ 281.025854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.031873] ? should_fail+0x22d/0xd01 [ 281.033657] Node 0 [ 281.039191] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.043055] DMA: [ 281.045288] ? __lock_acquire+0x7ec/0x4ec0 [ 281.050371] 1*4kB [ 281.052436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.056646] (U) [ 281.058794] ? __lock_acquire+0x7ec/0x4ec0 [ 281.063880] 0*8kB [ 281.065889] ? should_fail+0x22d/0xd01 [ 281.070108] 0*16kB [ 281.072254] ? print_usage_bug+0xc0/0xc0 [ 281.076122] 1*32kB [ 281.078359] ? mark_held_locks+0x130/0x130 [ 281.082391] (U) [ 281.084633] ? mark_held_locks+0x130/0x130 [ 281.088851] 2*64kB [ 281.090828] ? graph_lock+0x170/0x170 [ 281.095054] (U) [ 281.097290] ? print_usage_bug+0xc0/0xc0 [ 281.101071] 1*128kB [ 281.103127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 281.103139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.103150] ? check_preemption_disabled+0x48/0x200 [ 281.103158] ? check_preemption_disabled+0x48/0x200 [ 281.103171] ? __lock_is_held+0xb5/0x140 [ 281.103183] __alloc_pages_nodemask+0xa80/0xde0 [ 281.103191] ? graph_lock+0x170/0x170 [ 281.103201] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 281.103208] ? graph_lock+0x170/0x170 [ 281.103221] ? find_held_lock+0x36/0x1c0 [ 281.103235] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.103244] ? lock_downgrade+0x900/0x900 [ 281.103255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.103266] cache_grow_begin+0x91/0x8c0 [ 281.103274] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.103286] fallback_alloc+0x203/0x2e0 [ 281.103298] ____cache_alloc_node+0x1c7/0x1e0 [ 281.103309] kmem_cache_alloc_node+0xe3/0x730 [ 281.103318] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.103331] __alloc_skb+0x119/0x770 [ 281.103340] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.103350] ? skb_scrub_packet+0x490/0x490 [ 281.103357] ? lock_downgrade+0x900/0x900 [ 281.103369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.103377] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.103387] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.103395] ? addrconf_rs_timer+0x6f0/0x6f0 [ 281.103419] ndisc_alloc_skb+0x144/0x340 [ 281.103440] ndisc_send_rs+0x331/0x6e0 [ 281.107505] (U) [ 281.109833] addrconf_rs_timer+0x3c0/0x6f0 [ 281.114570] 1*256kB [ 281.120105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.125542] (U) [ 281.130585] call_timer_fn+0x272/0x920 [ 281.134619] 0*512kB 1*1024kB [ 281.139294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.143089] (U) [ 281.148102] ? process_timeout+0x40/0x40 [ 281.151879] 1*2048kB [ 281.155940] ? find_held_lock+0x36/0x1c0 [ 281.160585] (M) [ 281.164737] ? __run_timers+0x7da/0xc70 [ 281.170245] 3*4096kB (M) [ 281.174315] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.178704] = 15908kB [ 281.182673] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.187148] Node 0 [ 281.191641] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.195854] DMA32: [ 281.199564] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 281.204817] 3*4kB [ 281.209135] ? trace_hardirqs_on+0xbd/0x310 [ 281.213258] (UM) [ 281.218793] ? kasan_check_read+0x11/0x20 [ 281.224680] 2*8kB [ 281.230130] ? __run_timers+0x7da/0xc70 [ 281.234516] (M) [ 281.238577] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.242440] 3*16kB [ 281.244423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.248644] (UM) [ 281.250971] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.255183] 3*32kB [ 281.257156] __run_timers+0x7e5/0xc70 [ 281.261018] (M) 3*64kB [ 281.264145] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 281.268351] (UM) [ 281.270326] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 281.274359] 4*128kB (UM) [ 281.276776] ? graph_lock+0x170/0x170 [ 281.280818] 3*256kB [ 281.282788] ? enqueue_hrtimer+0x1a5/0x560 [ 281.286744] (M) [ 281.289498] ? lock_release+0x970/0x970 [ 281.293972] 4*512kB [ 281.296380] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 281.300855] (M) [ 281.303096] ? find_held_lock+0x36/0x1c0 [ 281.307310] 3*1024kB [ 281.309544] ? graph_lock+0x170/0x170 [ 281.314103] (UM) [ 281.316253] ? pvclock_read_flags+0x160/0x160 [ 281.320557] 1*2048kB [ 281.322631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.327266] (M) [ 281.329418] ? check_preemption_disabled+0x48/0x200 [ 281.329444] ? __lock_is_held+0xb5/0x140 [ 281.333394] 4*4096kB [ 281.335369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.340791] (M) = 25196kB [ 281.343035] ? check_preemption_disabled+0x48/0x200 [ 281.347247] Node 0 [ 281.349311] run_timer_softirq+0x52/0xb0 [ 281.353521] Normal: [ 281.355756] ? rcu_read_lock_sched_held+0x108/0x120 [ 281.359535] 852*4kB [ 281.362119] __do_softirq+0x30b/0xad8 [ 281.367462] (UMEH) [ 281.369537] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 281.374519] 324*8kB (UMEH) [ 281.377286] ? pvclock_read_flags+0x160/0x160 [ 281.381064] 169*16kB [ 281.383382] ? lapic_next_event+0x5a/0x90 [ 281.387600] (UMEH) [ 281.389581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.393538] 81*32kB (UMEH) [ 281.395874] ? check_preemption_disabled+0x48/0x200 [ 281.401042] 31*64kB [ 281.403015] ? check_preemption_disabled+0x48/0x200 [ 281.407054] (UMH) [ 281.409463] ? kvm_clock_read+0x18/0x30 [ 281.413238] 3*128kB [ 281.415298] ? kvm_sched_clock_read+0x9/0x20 [ 281.419770] (H) [ 281.422177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.428147] 1*256kB (H) [ 281.430142] ? check_preemption_disabled+0x48/0x200 [ 281.435133] 0*512kB [ 281.439198] irq_exit+0x17f/0x1c0 [ 281.441604] 0*1024kB [ 281.447165] smp_apic_timer_interrupt+0x1cb/0x760 [ 281.449892] 0*2048kB 0*4096kB [ 281.454927] ? smp_reschedule_interrupt+0x109/0x650 [ 281.457149] = 13920kB [ 281.461214] ? smp_call_function_single_interrupt+0x650/0x650 [ 281.463526] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 281.468533] ? interrupt_entry+0xb5/0xf0 [ 281.470842] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 281.474634] ? trace_hardirqs_off_caller+0xbb/0x300 [ 281.476851] 414 total pagecache pages [ 281.481952] ? trace_hardirqs_off_caller+0xbb/0x300 [ 281.484874] 0 pages in swap cache [ 281.489359] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.491753] Swap cache stats: add 0, delete 0, find 0/0 [ 281.495893] ? trace_hardirqs_off+0x300/0x300 [ 281.498125] Free swap = 0kB [ 281.503684] ? trace_hardirqs_off+0x300/0x300 [ 281.506601] Total swap = 0kB [ 281.511615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.513929] 1965979 pages RAM [ 281.518942] ? check_preemption_disabled+0x48/0x200 [ 281.521070] 0 pages HighMem/MovableOnly [ 281.525042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.527347] 342744 pages reserved [ 281.531777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.533728] 0 pages cma reserved [ 281.539266] apic_timer_interrupt+0xf/0x20 [ 281.541999] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.546922] [ 281.549339] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.552692] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 281.555083] syz-fuzzer cpuset= [ 281.559927] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 281.563101] / [ 281.568104] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 281.570514] mems_allowed=0 [ 281.576385] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 281.744573] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 281.751842] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 281.759109] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 281.766380] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 281.773719] skb_clone+0x1bb/0x500 [ 281.777270] ? finish_task_switch+0x2f5/0x900 [ 281.781767] ? skb_split+0x11e0/0x11e0 [ 281.785660] ? preempt_notifier_register+0x200/0x200 [ 281.790767] ? __switch_to_asm+0x34/0x70 [ 281.794826] ? __switch_to_asm+0x34/0x70 [ 281.798906] ? __switch_to_asm+0x40/0x70 [ 281.802982] ? __switch_to_asm+0x34/0x70 [ 281.807043] ? __switch_to_asm+0x40/0x70 [ 281.811101] ? __switch_to_asm+0x34/0x70 [ 281.815159] ? __switch_to_asm+0x40/0x70 [ 281.819245] ? __switch_to_asm+0x34/0x70 [ 281.823466] ? __switch_to_asm+0x34/0x70 [ 281.827525] ? __switch_to_asm+0x40/0x70 [ 281.831582] ? __switch_to_asm+0x34/0x70 [ 281.835656] bpf_clone_redirect+0xb9/0x490 [ 281.839895] ? __schedule+0x874/0x1ed0 [ 281.843796] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 281.848833] ? __sched_text_start+0x8/0x8 [ 281.852986] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 281.857760] ? find_held_lock+0x36/0x1c0 [ 281.861829] ? lock_acquire+0x1ed/0x520 [ 281.865835] ? bpf_test_run+0x32e/0x5a0 [ 281.869825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.875377] ? check_preemption_disabled+0x48/0x200 [ 281.880415] ? kasan_check_read+0x11/0x20 [ 281.884585] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.889873] ? rcu_bh_qs+0xc0/0xc0 [ 281.893416] ? preempt_schedule+0x4d/0x60 [ 281.897594] ? ___preempt_schedule+0x16/0x18 [ 281.902022] ? bpf_test_run+0x1c0/0x5a0 [ 281.906007] ? netlink_diag_dump+0x2a0/0x2a0 [ 281.910430] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.915965] ? bpf_test_init.isra.9+0x70/0x100 [ 281.920553] ? bpf_prog_test_run_skb+0x634/0xb40 [ 281.925323] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 281.930198] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 281.935757] ? fput+0x130/0x1a0 [ 281.939042] ? __bpf_prog_get+0x9b/0x290 [ 281.943106] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 281.947951] ? bpf_prog_test_run+0x130/0x1a0 [ 281.952368] ? __x64_sys_bpf+0x3d8/0x510 [ 281.956430] ? bpf_prog_get+0x20/0x20 [ 281.960240] ? ksys_ioctl+0x81/0xd0 [ 281.963878] ? do_syscall_64+0x1b9/0x820 [ 281.967954] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 281.973346] ? syscall_return_slowpath+0x5e0/0x5e0 [ 281.978272] ? trace_hardirqs_off+0x300/0x300 [ 281.982768] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 281.987781] ? recalc_sigpending_tsk+0x180/0x180 [ 281.992539] ? kasan_check_write+0x14/0x20 [ 281.996782] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.001632] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 282.007013] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 282.007087] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 282.013952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.013958] Call Trace: [ 282.013965] [ 282.013981] dump_stack+0x1c4/0x2b4 [ 282.013997] ? dump_stack_print_info.cold.2+0x52/0x52 [ 282.014024] warn_alloc.cold.118+0xb7/0x1bd [ 282.020582] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 282.030319] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 282.032886] syz-executor7 cpuset= [ 282.035034] ? lock_downgrade+0x900/0x900 [ 282.038657] syz7 [ 282.043845] ? trace_hardirqs_off+0xb8/0x300 [ 282.048156] mems_allowed=0 [ 282.058642] ? trace_hardirqs_off+0xb8/0x300 [ 282.084800] __alloc_pages_slowpath+0x2667/0x2d80 [ 282.089676] ? warn_alloc+0x120/0x120 [ 282.093482] ? trace_hardirqs_on+0x310/0x310 [ 282.097889] ? warn_alloc+0x120/0x120 [ 282.101715] ? print_usage_bug+0xc0/0xc0 [ 282.105785] ? warn_alloc+0x120/0x120 [ 282.109601] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 282.114646] ? print_usage_bug+0xc0/0xc0 [ 282.118823] ? __lock_acquire+0x7ec/0x4ec0 [ 282.123451] ? __lock_acquire+0x7ec/0x4ec0 [ 282.127693] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.133246] ? should_fail+0x22d/0xd01 [ 282.137137] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.142256] ? __lock_acquire+0x7ec/0x4ec0 [ 282.146499] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.151601] ? __lock_acquire+0x7ec/0x4ec0 [ 282.155847] ? should_fail+0x22d/0xd01 [ 282.159732] ? print_usage_bug+0xc0/0xc0 [ 282.163821] ? mark_held_locks+0x130/0x130 [ 282.168060] ? mark_held_locks+0x130/0x130 [ 282.172330] ? graph_lock+0x170/0x170 [ 282.176132] ? print_usage_bug+0xc0/0xc0 [ 282.180197] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.184956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.190496] ? check_preemption_disabled+0x48/0x200 [ 282.195517] ? check_preemption_disabled+0x48/0x200 [ 282.200542] ? __lock_is_held+0xb5/0x140 [ 282.204628] __alloc_pages_nodemask+0xa80/0xde0 [ 282.209304] ? graph_lock+0x170/0x170 [ 282.213111] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 282.218124] ? graph_lock+0x170/0x170 [ 282.221935] ? find_held_lock+0x36/0x1c0 [ 282.226515] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.231200] ? lock_downgrade+0x900/0x900 [ 282.235358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.240902] cache_grow_begin+0x91/0x8c0 [ 282.244983] ? do_raw_spin_unlock+0xa7/0x2f0 [ 282.249419] fallback_alloc+0x203/0x2e0 [ 282.253404] ____cache_alloc_node+0x1c7/0x1e0 [ 282.257922] kmem_cache_alloc_node+0xe3/0x730 [ 282.262428] ? ipv6_get_ifaddr+0x42e/0x620 [ 282.266690] __alloc_skb+0x119/0x770 [ 282.270425] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.275721] ? skb_scrub_packet+0x490/0x490 [ 282.280045] ? lock_downgrade+0x900/0x900 [ 282.284202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.289743] ? refcount_sub_and_test_checked+0x203/0x310 [ 282.295218] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 282.300669] ? addrconf_rs_timer+0x6f0/0x6f0 [ 282.305097] ndisc_alloc_skb+0x144/0x340 [ 282.309165] ndisc_send_rs+0x331/0x6e0 [ 282.313071] addrconf_rs_timer+0x3c0/0x6f0 [ 282.317312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.321574] call_timer_fn+0x272/0x920 [ 282.325979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.330219] ? process_timeout+0x40/0x40 [ 282.334298] ? find_held_lock+0x36/0x1c0 [ 282.338371] ? mark_held_locks+0xc7/0x130 [ 282.342531] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.347026] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.351519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.355765] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 282.360367] ? trace_hardirqs_on+0xbd/0x310 [ 282.364696] ? kasan_check_read+0x11/0x20 [ 282.368862] ? __run_timers+0x7da/0xc70 [ 282.372847] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.378307] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.382602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.386860] __run_timers+0x7e5/0xc70 [ 282.390697] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 282.396079] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.401096] ? graph_lock+0x170/0x170 [ 282.404907] ? print_usage_bug+0xc0/0xc0 [ 282.408973] ? lock_release+0x970/0x970 [ 282.412950] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.418149] ? find_held_lock+0x36/0x1c0 [ 282.422220] ? graph_lock+0x170/0x170 [ 282.426509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.432068] ? check_preemption_disabled+0x48/0x200 [ 282.437115] ? __lock_is_held+0xb5/0x140 [ 282.441180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.446721] ? check_preemption_disabled+0x48/0x200 [ 282.451748] run_timer_softirq+0x52/0xb0 [ 282.455819] ? rcu_read_lock_sched_held+0x108/0x120 [ 282.460839] __do_softirq+0x30b/0xad8 [ 282.464662] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 282.469776] ? pvclock_read_flags+0x160/0x160 [ 282.474275] ? lapic_next_event+0x5a/0x90 [ 282.478426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.483967] ? check_preemption_disabled+0x48/0x200 [ 282.488984] ? check_preemption_disabled+0x48/0x200 [ 282.494010] ? kvm_clock_read+0x18/0x30 [ 282.497985] ? kvm_sched_clock_read+0x9/0x20 [ 282.502406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.507952] ? check_preemption_disabled+0x48/0x200 [ 282.512988] irq_exit+0x17f/0x1c0 [ 282.516450] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.521293] ? smp_reschedule_interrupt+0x109/0x650 [ 282.526512] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.532405] ? interrupt_entry+0xb5/0xf0 [ 282.536482] ? trace_hardirqs_off_caller+0xbb/0x300 [ 282.541501] ? trace_hardirqs_off_caller+0xbb/0x300 [ 282.546519] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.551364] ? trace_hardirqs_off+0x300/0x300 [ 282.555888] ? trace_hardirqs_off+0x300/0x300 [ 282.560386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.565931] ? check_preemption_disabled+0x48/0x200 [ 282.570958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.575819] apic_timer_interrupt+0xf/0x20 [ 282.580051] [ 282.582295] RIP: 0010:console_unlock+0x1017/0x11a0 [ 282.587226] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 282.606128] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 282.613840] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 282.621110] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 282.628845] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 282.636116] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 282.643412] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 282.650703] ? netconsole_netdev_event+0x280/0x280 [ 282.655662] ? console_unlock+0x100e/0x11a0 [ 282.660008] ? devkmsg_read+0xbb0/0xbb0 [ 282.663983] ? vprintk_emit+0x7f7/0x930 [ 282.667962] ? lock_release+0x970/0x970 [ 282.671940] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.677394] ? vprintk_default+0x28/0x30 [ 282.681459] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.687011] ? kasan_check_write+0x14/0x20 [ 282.691251] ? do_raw_spin_lock+0xc1/0x200 [ 282.695495] vprintk_emit+0x33d/0x930 [ 282.699308] ? wake_up_klogd+0x180/0x180 [ 282.703380] ? find_held_lock+0x36/0x1c0 [ 282.707457] ? mark_held_locks+0xc7/0x130 [ 282.711615] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.716111] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.720624] vprintk_default+0x28/0x30 [ 282.725026] vprintk_func+0x7e/0x181 [ 282.728744] printk+0xa7/0xcf [ 282.731854] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 282.736621] ? _raw_spin_unlock_irq+0x60/0x80 [ 282.741136] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 282.746455] dump_header+0x7cc/0xf72 [ 282.750185] ? pagefault_out_of_memory+0x197/0x197 [ 282.755126] ? __lock_acquire+0x7ec/0x4ec0 [ 282.759370] ? print_usage_bug+0xc0/0xc0 [ 282.763452] ? graph_lock+0x170/0x170 [ 282.767255] ? graph_lock+0x170/0x170 [ 282.771056] ? print_usage_bug+0xc0/0xc0 [ 282.775137] ? print_usage_bug+0xc0/0xc0 [ 282.779203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.784769] ? find_held_lock+0x36/0x1c0 [ 282.788840] ? mark_held_locks+0xc7/0x130 [ 282.793011] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 282.798115] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 282.803228] ? lockdep_hardirqs_on+0x421/0x5c0 [ 282.807812] ? trace_hardirqs_on+0xbd/0x310 [ 282.812137] ? kasan_check_read+0x11/0x20 [ 282.816318] ? ___ratelimit+0x36f/0x655 [ 282.820321] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.826252] ? trace_hardirqs_on+0x310/0x310 [ 282.830674] ? lock_downgrade+0x900/0x900 [ 282.834832] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 282.839941] ? ___ratelimit+0xaa/0x655 [ 282.843835] ? idr_get_free+0xec0/0xec0 [ 282.847817] ? kasan_check_write+0x14/0x20 [ 282.852064] ? do_raw_spin_lock+0xc1/0x200 [ 282.856313] oom_kill_process.cold.27+0x10/0x903 [ 282.861104] ? graph_lock+0x170/0x170 [ 282.864912] ? _raw_spin_unlock+0x2c/0x50 [ 282.869065] ? oom_badness+0xe6/0xaa0 [ 282.872878] ? oom_evaluate_task+0x540/0x540 [ 282.877292] ? find_held_lock+0x36/0x1c0 [ 282.881366] ? out_of_memory+0x974/0x14c0 [ 282.885535] ? lock_downgrade+0x900/0x900 [ 282.889685] ? check_preemption_disabled+0x48/0x200 [ 282.894708] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 282.900503] ? kasan_check_read+0x11/0x20 [ 282.904664] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.909943] ? rcu_bh_qs+0xc0/0xc0 [ 282.913505] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 282.919052] ? oom_evaluate_task+0x302/0x540 [ 282.923645] out_of_memory+0xa86/0x14c0 [ 282.927645] ? oom_killer_disable+0x3a0/0x3a0 [ 282.932145] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 282.937082] ? __mutex_add_waiter+0x2a0/0x2a0 [ 282.941596] __alloc_pages_slowpath+0x2318/0x2d80 [ 282.946494] ? warn_alloc+0x120/0x120 [ 282.950314] ? __radix_tree_lookup+0x4c0/0x4c0 [ 282.954929] ? find_get_entry+0x2f2/0xc40 [ 282.959090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.964635] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 282.969565] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.975108] ? should_fail+0x22d/0xd01 [ 282.979003] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.984107] ? __lock_is_held+0xb5/0x140 [ 282.988196] ? __lock_is_held+0xb5/0x140 [ 282.992267] ? find_held_lock+0x36/0x1c0 [ 282.996560] ? ___might_sleep+0x1ed/0x300 [ 283.000711] ? lock_release+0x970/0x970 [ 283.004693] ? arch_local_save_flags+0x40/0x40 [ 283.009290] ? __might_sleep+0x95/0x190 [ 283.013310] __alloc_pages_nodemask+0xa80/0xde0 [ 283.018035] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.023457] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.029257] ? kasan_check_read+0x11/0x20 [ 283.033412] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.038691] ? graph_lock+0x170/0x170 [ 283.042493] ? print_usage_bug+0xc0/0xc0 [ 283.046564] ? graph_lock+0x170/0x170 [ 283.050362] ? graph_lock+0x170/0x170 [ 283.054168] ? __do_page_cache_readahead+0x7ce/0x980 [ 283.059276] ? find_held_lock+0x36/0x1c0 [ 283.063343] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 283.068918] alloc_pages_current+0x10c/0x210 [ 283.073341] ? lock_downgrade+0x900/0x900 [ 283.077497] __page_cache_alloc+0x38f/0x5b0 [ 283.081821] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.087627] ? kasan_check_read+0x11/0x20 [ 283.091779] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.097075] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 283.101788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.107841] ? check_preemption_disabled+0x48/0x200 [ 283.112865] filemap_fault+0x1594/0x25f0 [ 283.116961] ? __lock_page_or_retry+0xa00/0xa00 [ 283.121637] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.127746] ? kasan_check_read+0x11/0x20 [ 283.131895] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.137172] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 283.142289] ? rcu_bh_qs+0xc0/0xc0 [ 283.145842] ? trace_hardirqs_on+0xbd/0x310 [ 283.150506] ? kasan_check_read+0x11/0x20 [ 283.154656] ? __free_object+0x173/0x340 [ 283.158745] ? filemap_map_pages+0xdea/0x1980 [ 283.163274] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 283.168389] ? __free_object+0x173/0x340 [ 283.172459] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 283.177741] ? debug_object_free+0x325/0x690 [ 283.182160] ? find_get_pages_range_tag+0x1320/0x1320 [ 283.187360] ? graph_lock+0x170/0x170 [ 283.191180] ? kasan_check_read+0x11/0x20 [ 283.195374] ? debug_object_destroy+0x2b0/0x2b0 [ 283.200067] ? lock_acquire+0x1ed/0x520 [ 283.204047] ? ext4_filemap_fault+0x7a/0xad [ 283.208391] ? lock_release+0x970/0x970 [ 283.212387] ? arch_local_save_flags+0x40/0x40 [ 283.216984] ? futex_wait_setup+0x3e0/0x3e0 [ 283.221322] ? down_read+0xb0/0x1d0 [ 283.225283] ? ext4_filemap_fault+0x7a/0xad [ 283.229617] ? __down_interruptible+0x700/0x700 [ 283.234331] ext4_filemap_fault+0x82/0xad [ 283.238485] __do_fault+0x100/0x6b0 [ 283.242121] ? print_bad_pte+0x6c0/0x6c0 [ 283.246187] ? do_futex+0x249/0x26d0 [ 283.249906] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.255407] ? kasan_check_read+0x11/0x20 [ 283.259578] ? pmd_val+0x88/0x100 [ 283.263045] ? add_mm_counter_fast+0xd0/0xd0 [ 283.267467] ? pmd_val+0x88/0x100 [ 283.270926] ? add_mm_counter_fast+0xd0/0xd0 [ 283.275342] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.280887] __handle_mm_fault+0x3709/0x53e0 [ 283.285314] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 283.290165] ? graph_lock+0x170/0x170 [ 283.293971] ? print_usage_bug+0xc0/0xc0 [ 283.298036] ? lockdep_hardirqs_on+0x421/0x5c0 [ 283.302639] ? graph_lock+0x170/0x170 [ 283.306445] ? graph_lock+0x170/0x170 [ 283.310283] ? handle_mm_fault+0x42a/0xc70 [ 283.314531] ? lock_downgrade+0x900/0x900 [ 283.318689] ? check_preemption_disabled+0x48/0x200 [ 283.324176] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.329976] ? kasan_check_read+0x11/0x20 [ 283.334128] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.339413] ? rcu_bh_qs+0xc0/0xc0 [ 283.342971] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.348429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.353986] ? check_preemption_disabled+0x48/0x200 [ 283.359016] handle_mm_fault+0x54f/0xc70 [ 283.363097] ? __handle_mm_fault+0x53e0/0x53e0 [ 283.367683] ? find_vma+0x34/0x190 [ 283.371233] __do_page_fault+0x67d/0xed0 [ 283.375321] ? mm_fault_error+0x380/0x380 [ 283.379474] ? trace_hardirqs_off+0xb8/0x300 [ 283.383887] ? trace_hardirqs_on+0x310/0x310 [ 283.388297] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 283.393675] ? trace_hardirqs_on+0x310/0x310 [ 283.398090] do_page_fault+0xf2/0x7e0 [ 283.401896] ? vmalloc_sync_all+0x30/0x30 [ 283.406051] ? error_entry+0x70/0xd0 [ 283.409771] ? trace_hardirqs_off_caller+0xbb/0x300 [ 283.414788] ? trace_hardirqs_on_caller+0xc0/0x300 [ 283.419722] ? syscall_return_slowpath+0x5e0/0x5e0 [ 283.425116] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.429967] ? trace_hardirqs_off+0x300/0x300 [ 283.434475] ? trace_hardirqs_off_caller+0x300/0x300 [ 283.439586] ? prepare_exit_to_usermode+0x291/0x3b0 [ 283.444626] ? page_fault+0x8/0x30 [ 283.448173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.453023] ? page_fault+0x8/0x30 [ 283.456581] page_fault+0x1e/0x30 [ 283.460047] RIP: 0033:0x45ddf3 [ 283.463243] Code: Bad RIP value. [ 283.466615] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 283.471980] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 283.479247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 283.486541] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 283.493809] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 283.501077] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 283.508378] warn_alloc_show_mem: 1 callbacks suppressed [ 283.508390] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 283.508392] Mem-Info: [ 283.508426] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 283.508426] active_file:16 inactive_file:19 isolated_file:0 [ 283.508426] unevictable:0 dirty:0 writeback:0 unstable:0 [ 283.508426] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 283.508426] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 283.508426] free:13708 free_pcp:124 free_cma:0 [ 283.513772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.520968] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 283.523354] Call Trace: [ 283.523359] [ 283.523374] dump_stack+0x1c4/0x2b4 [ 283.523384] ? dump_stack_print_info.cold.2+0x52/0x52 [ 283.523399] warn_alloc.cold.118+0xb7/0x1bd [ 283.523414] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.523431] ? lock_downgrade+0x900/0x900 [ 283.523473] ? trace_hardirqs_off+0xb8/0x300 [ 283.556339] Node 0 [ 283.565716] ? trace_hardirqs_off+0xb8/0x300 [ 283.593388] 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 [ 283.595982] __alloc_pages_slowpath+0x2667/0x2d80 [ 283.598104] lowmem_reserve[]: 0 [ 283.601770] ? warn_alloc+0x120/0x120 [ 283.606918] 2817 6321 [ 283.611252] ? trace_hardirqs_on+0x310/0x310 [ 283.616069] 6321 [ 283.620213] ? warn_alloc+0x120/0x120 [ 283.625220] Node 0 [ 283.627458] ? print_usage_bug+0xc0/0xc0 [ 283.631871] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 283.657374] ? warn_alloc+0x120/0x120 [ 283.662215] lowmem_reserve[]: [ 283.665494] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 283.669269] 0 [ 283.671764] ? print_usage_bug+0xc0/0xc0 [ 283.676146] 0 [ 283.678206] ? __lock_acquire+0x7ec/0x4ec0 [ 283.681987] 3503 [ 283.684314] ? __lock_acquire+0x7ec/0x4ec0 [ 283.688375] 3503 [ 283.715361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.719141] Node 0 [ 283.722248] ? should_fail+0x22d/0xd01 [ 283.727731] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 283.729511] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.733544] lowmem_reserve[]: 0 [ 283.735354] ? __lock_acquire+0x7ec/0x4ec0 [ 283.739565] 0 [ 283.741636] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.745849] 0 [ 283.747916] ? __lock_acquire+0x7ec/0x4ec0 [ 283.753429] 0 [ 283.755680] ? should_fail+0x22d/0xd01 [ 283.759556] Node 0 [ 283.787762] ? print_usage_bug+0xc0/0xc0 [ 283.792848] DMA: [ 283.796137] ? mark_held_locks+0x130/0x130 [ 283.800340] 1*4kB [ 283.802141] ? mark_held_locks+0x130/0x130 [ 283.807219] (U) [ 283.809026] ? graph_lock+0x170/0x170 [ 283.813235] 0*8kB [ 283.815033] ? print_usage_bug+0xc0/0xc0 [ 283.818900] 0*16kB [ 283.821144] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 283.825621] 1*32kB (U) [ 283.827698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.831905] 2*64kB (U) [ 283.834065] ? check_preemption_disabled+0x48/0x200 [ 283.838277] 1*128kB [ 283.840254] ? check_preemption_disabled+0x48/0x200 [ 283.844031] (U) [ 283.846187] ? __lock_is_held+0xb5/0x140 [ 283.850223] 1*256kB [ 283.852463] __alloc_pages_nodemask+0xa80/0xde0 [ 283.857195] (U) [ 283.859778] ? graph_lock+0x170/0x170 [ 283.865298] 0*512kB [ 283.867881] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.872873] 1*1024kB [ 283.875198] ? graph_lock+0x170/0x170 [ 283.880194] (U) [ 283.882174] ? find_held_lock+0x36/0x1c0 [ 283.886206] 1*2048kB [ 283.888533] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.893177] (M) [ 283.895151] ? lock_downgrade+0x900/0x900 [ 283.898921] 3*4096kB (M) [ 283.901257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.906240] = 15908kB [ 283.906249] Node 0 [ 283.908664] cache_grow_begin+0x91/0x8c0 [ 283.912439] DMA32: [ 283.914421] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.918457] 3*4kB [ 283.920874] fallback_alloc+0x203/0x2e0 [ 283.925966] (UM) 2*8kB [ 283.927961] ____cache_alloc_node+0x1c7/0x1e0 [ 283.932092] (M) [ 283.934868] kmem_cache_alloc_node+0xe3/0x730 [ 283.940379] 3*16kB [ 283.942788] ? ipv6_get_ifaddr+0x42e/0x620 [ 283.944999] (UM) [ 283.949063] __alloc_skb+0x119/0x770 [ 283.951275] 3*32kB [ 283.955683] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.957808] (M) [ 283.961781] ? skb_scrub_packet+0x490/0x490 [ 283.964355] 3*64kB (UM) [ 283.968856] ? lock_downgrade+0x900/0x900 [ 283.970810] 4*128kB [ 283.975308] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.977523] (UM) [ 283.981773] ? refcount_sub_and_test_checked+0x203/0x310 [ 283.983818] 3*256kB [ 283.987528] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.989742] (M) [ 283.995015] ? addrconf_rs_timer+0x6f0/0x6f0 [ 283.996973] 4*512kB [ 284.001302] ndisc_alloc_skb+0x144/0x340 [ 284.003941] (M) [ 284.008091] ndisc_send_rs+0x331/0x6e0 [ 284.010386] 3*1024kB (UM) [ 284.015940] addrconf_rs_timer+0x3c0/0x6f0 [ 284.017980] 1*2048kB [ 284.023538] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.023554] call_timer_fn+0x272/0x920 [ 284.023563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.023572] ? process_timeout+0x40/0x40 [ 284.023580] ? find_held_lock+0x36/0x1c0 [ 284.023592] ? __run_timers+0x7da/0xc70 [ 284.023603] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.023616] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.023629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.023646] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 284.025956] (M) [ 284.031408] ? trace_hardirqs_on+0xbd/0x310 [ 284.033371] 4*4096kB [ 284.037778] ? kasan_check_read+0x11/0x20 [ 284.040080] (M) [ 284.044156] ? __run_timers+0x7da/0xc70 [ 284.046110] = 25196kB [ 284.049995] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.052823] Node 0 [ 284.057056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.059444] Normal: [ 284.063677] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.067543] 852*4kB [ 284.071776] __run_timers+0x7e5/0xc70 [ 284.075816] (UMEH) [ 284.079883] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 284.083828] 324*8kB [ 284.088320] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 284.092811] (UMEH) [ 284.097046] ? graph_lock+0x170/0x170 [ 284.101605] 169*16kB [ 284.103594] ? enqueue_hrtimer+0x1a5/0x560 [ 284.107916] (UMEH) [ 284.110319] ? lock_release+0x970/0x970 [ 284.114440] 81*32kB (UMEH) [ 284.116425] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 284.120371] 31*64kB (UMH) [ 284.122808] ? find_held_lock+0x36/0x1c0 [ 284.128634] 3*128kB (H) [ 284.130894] ? graph_lock+0x170/0x170 [ 284.135108] 1*256kB [ 284.137438] ? pvclock_read_flags+0x160/0x160 [ 284.141663] (H) [ 284.143988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.147769] 0*512kB [ 284.150009] ? check_preemption_disabled+0x48/0x200 [ 284.155345] 0*1024kB 0*2048kB [ 284.157703] ? __lock_is_held+0xb5/0x140 [ 284.162692] 0*4096kB [ 284.164929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.168699] = 13920kB [ 284.168714] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 284.171118] ? check_preemption_disabled+0x48/0x200 [ 284.175330] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 284.175340] 414 total pagecache pages [ 284.177578] run_timer_softirq+0x52/0xb0 [ 284.181536] 0 pages in swap cache [ 284.184456] ? rcu_read_lock_sched_held+0x108/0x120 [ 284.189631] Swap cache stats: add 0, delete 0, find 0/0 [ 284.192472] __do_softirq+0x30b/0xad8 [ 284.196508] Free swap = 0kB [ 284.199183] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 284.202955] Total swap = 0kB [ 284.205277] ? pvclock_read_flags+0x160/0x160 [ 284.209751] 1965979 pages RAM [ 284.211720] ? lapic_next_event+0x5a/0x90 [ 284.217235] 0 pages HighMem/MovableOnly [ 284.219558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.225019] 342744 pages reserved [ 284.225029] 0 pages cma reserved [ 284.228224] ? check_preemption_disabled+0x48/0x200 [ 284.232344] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 284.234671] ? check_preemption_disabled+0x48/0x200 [ 284.234692] ? kvm_clock_read+0x18/0x30 [ 284.240307] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 284.242617] ? kvm_sched_clock_read+0x9/0x20 [ 284.251436] syz-fuzzer cpuset= [ 284.256449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.264998] / [ 284.268798] ? check_preemption_disabled+0x48/0x200 [ 284.272837] mems_allowed=0 [ 284.276320] irq_exit+0x17f/0x1c0 [ 284.386472] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.391365] ? smp_reschedule_interrupt+0x109/0x650 [ 284.396398] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.402306] ? interrupt_entry+0xb5/0xf0 [ 284.406388] ? trace_hardirqs_off_caller+0xbb/0x300 [ 284.411405] ? trace_hardirqs_off_caller+0xbb/0x300 [ 284.416432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.421278] ? trace_hardirqs_off+0x300/0x300 [ 284.425882] ? trace_hardirqs_off+0x300/0x300 [ 284.430384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.435931] ? check_preemption_disabled+0x48/0x200 [ 284.440949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.446501] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.451372] apic_timer_interrupt+0xf/0x20 [ 284.455602] [ 284.457849] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 284.462787] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 284.481699] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 284.489448] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 284.496719] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 284.503992] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 284.511263] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 284.518548] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 284.526077] skb_clone+0x1bb/0x500 [ 284.529624] ? finish_task_switch+0x2f5/0x900 [ 284.534138] ? skb_split+0x11e0/0x11e0 [ 284.538030] ? preempt_notifier_register+0x200/0x200 [ 284.543136] ? __switch_to_asm+0x34/0x70 [ 284.547200] ? __switch_to_asm+0x34/0x70 [ 284.551264] ? __switch_to_asm+0x40/0x70 [ 284.555328] ? __switch_to_asm+0x34/0x70 [ 284.559387] ? __switch_to_asm+0x40/0x70 [ 284.563448] ? __switch_to_asm+0x34/0x70 [ 284.567536] ? __switch_to_asm+0x40/0x70 [ 284.571601] ? __switch_to_asm+0x34/0x70 [ 284.575668] ? __switch_to_asm+0x34/0x70 [ 284.579730] ? __switch_to_asm+0x40/0x70 [ 284.583796] ? __switch_to_asm+0x34/0x70 [ 284.587883] bpf_clone_redirect+0xb9/0x490 [ 284.592147] ? __schedule+0x874/0x1ed0 [ 284.596105] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 284.601134] ? __sched_text_start+0x8/0x8 [ 284.605289] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.610070] ? find_held_lock+0x36/0x1c0 [ 284.614144] ? lock_acquire+0x1ed/0x520 [ 284.618133] ? bpf_test_run+0x32e/0x5a0 [ 284.622111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.627673] ? check_preemption_disabled+0x48/0x200 [ 284.632710] ? kasan_check_read+0x11/0x20 [ 284.636879] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.642188] ? rcu_bh_qs+0xc0/0xc0 [ 284.645738] ? preempt_schedule+0x4d/0x60 [ 284.649889] ? ___preempt_schedule+0x16/0x18 [ 284.654317] ? bpf_test_run+0x1c0/0x5a0 [ 284.658307] ? netlink_diag_dump+0x2a0/0x2a0 [ 284.662724] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.668263] ? bpf_test_init.isra.9+0x70/0x100 [ 284.672850] ? bpf_prog_test_run_skb+0x634/0xb40 [ 284.677619] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.682463] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 284.688013] ? fput+0x130/0x1a0 [ 284.691302] ? __bpf_prog_get+0x9b/0x290 [ 284.695400] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.700243] ? bpf_prog_test_run+0x130/0x1a0 [ 284.704673] ? __x64_sys_bpf+0x3d8/0x510 [ 284.708736] ? bpf_prog_get+0x20/0x20 [ 284.712549] ? ksys_ioctl+0x81/0xd0 [ 284.716185] ? do_syscall_64+0x1b9/0x820 [ 284.720246] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 284.725621] ? syscall_return_slowpath+0x5e0/0x5e0 [ 284.730560] ? trace_hardirqs_off+0x300/0x300 [ 284.735078] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 284.740100] ? recalc_sigpending_tsk+0x180/0x180 [ 284.744859] ? kasan_check_write+0x14/0x20 [ 284.749104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.753961] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 284.759346] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 284.759430] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 284.766286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.766295] Call Trace: [ 284.772897] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 284.782134] [ 284.784731] syz-executor7 cpuset= [ 284.795239] dump_stack+0x1c4/0x2b4 [ 284.797376] syz7 [ 284.800827] ? dump_stack_print_info.cold.2+0x52/0x52 [ 284.804457] mems_allowed=0 [ 284.806441] warn_alloc.cold.118+0xb7/0x1bd [ 284.818879] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.824271] ? lock_downgrade+0x900/0x900 [ 284.828433] ? trace_hardirqs_off+0xb8/0x300 [ 284.832851] ? trace_hardirqs_off+0xb8/0x300 [ 284.837308] __alloc_pages_slowpath+0x2667/0x2d80 [ 284.842186] ? warn_alloc+0x120/0x120 [ 284.846005] ? trace_hardirqs_on+0x310/0x310 [ 284.850423] ? warn_alloc+0x120/0x120 [ 284.854235] ? print_usage_bug+0xc0/0xc0 [ 284.858306] ? warn_alloc+0x120/0x120 [ 284.862115] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 284.867144] ? print_usage_bug+0xc0/0xc0 [ 284.871216] ? __lock_acquire+0x7ec/0x4ec0 [ 284.875460] ? __lock_acquire+0x7ec/0x4ec0 [ 284.879706] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.885248] ? should_fail+0x22d/0xd01 [ 284.889147] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.894253] ? __lock_acquire+0x7ec/0x4ec0 [ 284.898497] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.903617] ? __lock_acquire+0x7ec/0x4ec0 [ 284.907853] ? should_fail+0x22d/0xd01 [ 284.911755] ? print_usage_bug+0xc0/0xc0 [ 284.915831] ? mark_held_locks+0x130/0x130 [ 284.920074] ? mark_held_locks+0x130/0x130 [ 284.924775] ? graph_lock+0x170/0x170 [ 284.928576] ? print_usage_bug+0xc0/0xc0 [ 284.932646] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.937431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.942974] ? check_preemption_disabled+0x48/0x200 [ 284.947997] ? check_preemption_disabled+0x48/0x200 [ 284.953030] ? __lock_is_held+0xb5/0x140 [ 284.957104] __alloc_pages_nodemask+0xa80/0xde0 [ 284.961777] ? graph_lock+0x170/0x170 [ 284.965586] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 284.970616] ? graph_lock+0x170/0x170 [ 284.974437] ? find_held_lock+0x36/0x1c0 [ 284.978514] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.983185] ? lock_downgrade+0x900/0x900 [ 284.987350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.992895] cache_grow_begin+0x91/0x8c0 [ 284.997143] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.001566] fallback_alloc+0x203/0x2e0 [ 285.005555] ____cache_alloc_node+0x1c7/0x1e0 [ 285.010064] kmem_cache_alloc_node+0xe3/0x730 [ 285.014569] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.018820] __alloc_skb+0x119/0x770 [ 285.022542] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.028330] ? skb_scrub_packet+0x490/0x490 [ 285.032656] ? lock_downgrade+0x900/0x900 [ 285.036822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.042364] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.047851] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.053311] ? addrconf_rs_timer+0x6f0/0x6f0 [ 285.057755] ndisc_alloc_skb+0x144/0x340 [ 285.061831] ndisc_send_rs+0x331/0x6e0 [ 285.065730] addrconf_rs_timer+0x3c0/0x6f0 [ 285.069974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.074224] call_timer_fn+0x272/0x920 [ 285.078118] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.082358] ? process_timeout+0x40/0x40 [ 285.086421] ? find_held_lock+0x36/0x1c0 [ 285.090493] ? mark_held_locks+0xc7/0x130 [ 285.094652] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.099149] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.104179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.108426] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 285.113014] ? trace_hardirqs_on+0xbd/0x310 [ 285.117339] ? kasan_check_read+0x11/0x20 [ 285.121491] ? __run_timers+0x7da/0xc70 [ 285.125990] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.131450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.135697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.139939] __run_timers+0x7e5/0xc70 [ 285.143760] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 285.149129] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 285.154152] ? graph_lock+0x170/0x170 [ 285.157962] ? print_usage_bug+0xc0/0xc0 [ 285.162023] ? lock_release+0x970/0x970 [ 285.166002] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 285.171201] ? find_held_lock+0x36/0x1c0 [ 285.175273] ? graph_lock+0x170/0x170 [ 285.179081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.184711] ? check_preemption_disabled+0x48/0x200 [ 285.189743] ? __lock_is_held+0xb5/0x140 [ 285.193832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.199393] ? check_preemption_disabled+0x48/0x200 [ 285.204434] run_timer_softirq+0x52/0xb0 [ 285.208526] ? rcu_read_lock_sched_held+0x108/0x120 [ 285.213549] __do_softirq+0x30b/0xad8 [ 285.217366] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 285.222483] ? pvclock_read_flags+0x160/0x160 [ 285.227484] ? lapic_next_event+0x5a/0x90 [ 285.231644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.237186] ? check_preemption_disabled+0x48/0x200 [ 285.242209] ? check_preemption_disabled+0x48/0x200 [ 285.247234] ? kvm_clock_read+0x18/0x30 [ 285.251209] ? kvm_sched_clock_read+0x9/0x20 [ 285.255631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.261175] ? check_preemption_disabled+0x48/0x200 [ 285.266216] irq_exit+0x17f/0x1c0 [ 285.269694] smp_apic_timer_interrupt+0x1cb/0x760 [ 285.274557] ? smp_reschedule_interrupt+0x109/0x650 [ 285.279594] ? smp_call_function_single_interrupt+0x650/0x650 [ 285.285507] ? interrupt_entry+0xb5/0xf0 [ 285.289586] ? trace_hardirqs_off_caller+0xbb/0x300 [ 285.294627] ? trace_hardirqs_off_caller+0xbb/0x300 [ 285.299657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.304531] ? trace_hardirqs_off+0x300/0x300 [ 285.309036] ? trace_hardirqs_off+0x300/0x300 [ 285.313546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.319093] ? check_preemption_disabled+0x48/0x200 [ 285.324449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.329310] apic_timer_interrupt+0xf/0x20 [ 285.333544] [ 285.335790] RIP: 0010:console_unlock+0x1017/0x11a0 [ 285.340724] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 285.359640] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 285.367369] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 285.374657] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 285.381937] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 285.389241] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 285.396520] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 285.403816] ? netconsole_netdev_event+0x280/0x280 [ 285.408770] ? console_unlock+0x100e/0x11a0 [ 285.413119] ? devkmsg_read+0xbb0/0xbb0 [ 285.417458] ? vprintk_emit+0x7f7/0x930 [ 285.421439] ? lock_release+0x970/0x970 [ 285.425896] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.431355] ? vprintk_default+0x28/0x30 [ 285.435424] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.440907] ? kasan_check_write+0x14/0x20 [ 285.445172] ? do_raw_spin_lock+0xc1/0x200 [ 285.449423] vprintk_emit+0x33d/0x930 [ 285.453234] ? wake_up_klogd+0x180/0x180 [ 285.457353] ? find_held_lock+0x36/0x1c0 [ 285.461433] ? mark_held_locks+0xc7/0x130 [ 285.465591] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.470098] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.474607] vprintk_default+0x28/0x30 [ 285.478510] vprintk_func+0x7e/0x181 [ 285.482235] printk+0xa7/0xcf [ 285.485348] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 285.490111] ? _raw_spin_unlock_irq+0x60/0x80 [ 285.494632] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 285.499928] dump_header+0x7cc/0xf72 [ 285.503660] ? pagefault_out_of_memory+0x197/0x197 [ 285.508602] ? __lock_acquire+0x7ec/0x4ec0 [ 285.512852] ? print_usage_bug+0xc0/0xc0 [ 285.516931] ? graph_lock+0x170/0x170 [ 285.520768] ? graph_lock+0x170/0x170 [ 285.525035] ? print_usage_bug+0xc0/0xc0 [ 285.529102] ? print_usage_bug+0xc0/0xc0 [ 285.533170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.538719] ? find_held_lock+0x36/0x1c0 [ 285.542793] ? mark_held_locks+0xc7/0x130 [ 285.546949] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 285.552056] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 285.557169] ? lockdep_hardirqs_on+0x421/0x5c0 [ 285.561762] ? trace_hardirqs_on+0xbd/0x310 [ 285.566095] ? kasan_check_read+0x11/0x20 [ 285.570248] ? ___ratelimit+0x36f/0x655 [ 285.574225] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.579709] ? trace_hardirqs_on+0x310/0x310 [ 285.584138] ? lock_downgrade+0x900/0x900 [ 285.588297] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.593414] ? ___ratelimit+0xaa/0x655 [ 285.597306] ? idr_get_free+0xec0/0xec0 [ 285.601285] ? kasan_check_write+0x14/0x20 [ 285.605528] ? do_raw_spin_lock+0xc1/0x200 [ 285.609784] oom_kill_process.cold.27+0x10/0x903 [ 285.614549] ? graph_lock+0x170/0x170 [ 285.618363] ? _raw_spin_unlock+0x2c/0x50 [ 285.622523] ? oom_badness+0xe6/0xaa0 [ 285.626785] ? oom_evaluate_task+0x540/0x540 [ 285.631214] ? find_held_lock+0x36/0x1c0 [ 285.635283] ? out_of_memory+0x974/0x14c0 [ 285.639449] ? lock_downgrade+0x900/0x900 [ 285.643601] ? check_preemption_disabled+0x48/0x200 [ 285.648653] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 285.654454] ? kasan_check_read+0x11/0x20 [ 285.658670] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.663953] ? rcu_bh_qs+0xc0/0xc0 [ 285.667515] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 285.673064] ? oom_evaluate_task+0x302/0x540 [ 285.677480] out_of_memory+0xa86/0x14c0 [ 285.681472] ? oom_killer_disable+0x3a0/0x3a0 [ 285.685971] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 285.690927] ? __mutex_add_waiter+0x2a0/0x2a0 [ 285.695474] __alloc_pages_slowpath+0x2318/0x2d80 [ 285.700363] ? warn_alloc+0x120/0x120 [ 285.704182] ? __radix_tree_lookup+0x4c0/0x4c0 [ 285.708782] ? find_get_entry+0x2f2/0xc40 [ 285.712957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.718497] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 285.723902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.729446] ? should_fail+0x22d/0xd01 [ 285.733340] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.738450] ? __lock_is_held+0xb5/0x140 [ 285.742544] ? __lock_is_held+0xb5/0x140 [ 285.746621] ? find_held_lock+0x36/0x1c0 [ 285.750691] ? ___might_sleep+0x1ed/0x300 [ 285.754839] ? lock_release+0x970/0x970 [ 285.758821] ? arch_local_save_flags+0x40/0x40 [ 285.763424] ? __might_sleep+0x95/0x190 [ 285.767425] __alloc_pages_nodemask+0xa80/0xde0 [ 285.772118] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 285.777169] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 285.782972] ? kasan_check_read+0x11/0x20 [ 285.787126] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.792430] ? graph_lock+0x170/0x170 [ 285.796243] ? print_usage_bug+0xc0/0xc0 [ 285.800312] ? graph_lock+0x170/0x170 [ 285.804113] ? graph_lock+0x170/0x170 [ 285.807918] ? __do_page_cache_readahead+0x7ce/0x980 [ 285.813029] ? find_held_lock+0x36/0x1c0 [ 285.817099] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 285.822659] alloc_pages_current+0x10c/0x210 [ 285.827549] ? lock_downgrade+0x900/0x900 [ 285.831707] __page_cache_alloc+0x38f/0x5b0 [ 285.836047] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 285.841848] ? kasan_check_read+0x11/0x20 [ 285.845999] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.851283] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 285.855954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.861506] ? check_preemption_disabled+0x48/0x200 [ 285.866558] filemap_fault+0x1594/0x25f0 [ 285.870644] ? __lock_page_or_retry+0xa00/0xa00 [ 285.875316] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 285.881121] ? kasan_check_read+0x11/0x20 [ 285.885277] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.890556] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 285.895662] ? rcu_bh_qs+0xc0/0xc0 [ 285.899205] ? trace_hardirqs_on+0xbd/0x310 [ 285.903543] ? kasan_check_read+0x11/0x20 [ 285.907696] ? __free_object+0x173/0x340 [ 285.911771] ? filemap_map_pages+0xdea/0x1980 [ 285.916273] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.921381] ? __free_object+0x173/0x340 [ 285.925904] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 285.931199] ? debug_object_free+0x325/0x690 [ 285.935623] ? find_get_pages_range_tag+0x1320/0x1320 [ 285.940831] ? graph_lock+0x170/0x170 [ 285.944650] ? kasan_check_read+0x11/0x20 [ 285.948799] ? debug_object_destroy+0x2b0/0x2b0 [ 285.953481] ? lock_acquire+0x1ed/0x520 [ 285.957459] ? ext4_filemap_fault+0x7a/0xad [ 285.961799] ? lock_release+0x970/0x970 [ 285.965779] ? arch_local_save_flags+0x40/0x40 [ 285.970367] ? futex_wait_setup+0x3e0/0x3e0 [ 285.974724] ? down_read+0xb0/0x1d0 [ 285.978350] ? ext4_filemap_fault+0x7a/0xad [ 285.982675] ? __down_interruptible+0x700/0x700 [ 285.987363] ext4_filemap_fault+0x82/0xad [ 285.991541] __do_fault+0x100/0x6b0 [ 285.995176] ? print_bad_pte+0x6c0/0x6c0 [ 285.999238] ? do_futex+0x249/0x26d0 [ 286.002952] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.008412] ? kasan_check_read+0x11/0x20 [ 286.012585] ? pmd_val+0x88/0x100 [ 286.016047] ? add_mm_counter_fast+0xd0/0xd0 [ 286.020456] ? pmd_val+0x88/0x100 [ 286.024435] ? add_mm_counter_fast+0xd0/0xd0 [ 286.028879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.034459] __handle_mm_fault+0x3709/0x53e0 [ 286.038880] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 286.043744] ? graph_lock+0x170/0x170 [ 286.047547] ? print_usage_bug+0xc0/0xc0 [ 286.051607] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.056202] ? graph_lock+0x170/0x170 [ 286.060004] ? graph_lock+0x170/0x170 [ 286.063835] ? handle_mm_fault+0x42a/0xc70 [ 286.068078] ? lock_downgrade+0x900/0x900 [ 286.072228] ? check_preemption_disabled+0x48/0x200 [ 286.077253] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 286.083056] ? kasan_check_read+0x11/0x20 [ 286.087207] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.092486] ? rcu_bh_qs+0xc0/0xc0 [ 286.096039] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.101493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.107034] ? check_preemption_disabled+0x48/0x200 [ 286.112076] handle_mm_fault+0x54f/0xc70 [ 286.116166] ? __handle_mm_fault+0x53e0/0x53e0 [ 286.120751] ? find_vma+0x34/0x190 [ 286.124780] __do_page_fault+0x67d/0xed0 [ 286.128886] ? mm_fault_error+0x380/0x380 [ 286.133057] ? trace_hardirqs_off+0xb8/0x300 [ 286.137484] ? trace_hardirqs_on+0x310/0x310 [ 286.141899] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 286.147263] ? trace_hardirqs_on+0x310/0x310 [ 286.151684] do_page_fault+0xf2/0x7e0 [ 286.155489] ? vmalloc_sync_all+0x30/0x30 [ 286.159649] ? error_entry+0x70/0xd0 [ 286.163372] ? trace_hardirqs_off_caller+0xbb/0x300 [ 286.168391] ? trace_hardirqs_on_caller+0xc0/0x300 [ 286.173371] ? syscall_return_slowpath+0x5e0/0x5e0 [ 286.178319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.183168] ? trace_hardirqs_off+0x300/0x300 [ 286.187664] ? trace_hardirqs_off_caller+0x300/0x300 [ 286.192776] ? prepare_exit_to_usermode+0x291/0x3b0 [ 286.197832] ? page_fault+0x8/0x30 [ 286.201379] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.206248] ? page_fault+0x8/0x30 [ 286.209796] page_fault+0x1e/0x30 [ 286.213287] RIP: 0033:0x45ddf3 [ 286.216487] Code: Bad RIP value. [ 286.219847] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 286.225720] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 286.233006] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 286.240277] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 286.247562] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 286.254832] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 286.262125] warn_alloc_show_mem: 1 callbacks suppressed [ 286.262137] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 286.262140] Mem-Info: [ 286.262169] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 286.262169] active_file:16 inactive_file:19 isolated_file:0 [ 286.262169] unevictable:0 dirty:0 writeback:0 unstable:0 [ 286.262169] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 286.262169] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 286.262169] free:13708 free_pcp:124 free_cma:0 [ 286.267519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.274724] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 286.277126] Call Trace: [ 286.309998] Node 0 [ 286.319348] [ 286.347551] 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 [ 286.350132] dump_stack+0x1c4/0x2b4 [ 286.352343] lowmem_reserve[]: 0 [ 286.354540] ? dump_stack_print_info.cold.2+0x52/0x52 [ 286.380032] 2817 6321 [ 286.383683] warn_alloc.cold.118+0xb7/0x1bd [ 286.386931] 6321 [ 286.392118] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.398921] ? lock_downgrade+0x900/0x900 [ 286.400960] Node 0 [ 286.405804] ? trace_hardirqs_off+0xb8/0x300 [ 286.410000] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 286.412233] ? trace_hardirqs_off+0xb8/0x300 [ 286.416616] lowmem_reserve[]: [ 286.443690] __alloc_pages_slowpath+0x2667/0x2d80 [ 286.448075] 0 [ 286.451201] ? warn_alloc+0x120/0x120 [ 286.455994] 0 3503 [ 286.457810] ? trace_hardirqs_on+0x310/0x310 [ 286.461588] 3503 [ 286.463822] ? warn_alloc+0x120/0x120 [ 286.468209] Node 0 [ 286.470270] ? print_usage_bug+0xc0/0xc0 [ 286.474083] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 286.476288] ? warn_alloc+0x120/0x120 [ 286.480338] lowmem_reserve[]: 0 [ 286.508549] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 286.508566] ? print_usage_bug+0xc0/0xc0 [ 286.512352] 0 [ 286.515645] ? __lock_acquire+0x7ec/0x4ec0 [ 286.515661] ? __lock_acquire+0x7ec/0x4ec0 [ 286.520656] 0 [ 286.524719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.526507] 0 [ 286.530748] ? should_fail+0x22d/0xd01 [ 286.534957] Node 0 [ 286.536752] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.542264] DMA: [ 286.544059] ? __lock_acquire+0x7ec/0x4ec0 [ 286.547922] 1*4kB [ 286.550154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.555233] (U) [ 286.557300] ? __lock_acquire+0x7ec/0x4ec0 [ 286.561518] 0*8kB [ 286.563663] ? should_fail+0x22d/0xd01 [ 286.568766] 0*16kB [ 286.570741] ? print_usage_bug+0xc0/0xc0 [ 286.574971] 1*32kB [ 286.577122] ? mark_held_locks+0x130/0x130 [ 286.580981] (U) [ 286.583227] ? mark_held_locks+0x130/0x130 [ 286.587268] 2*64kB [ 286.589505] ? graph_lock+0x170/0x170 [ 286.593714] (U) [ 286.595687] ? print_usage_bug+0xc0/0xc0 [ 286.599912] 1*128kB [ 286.602148] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.605927] (U) [ 286.607911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.611947] 1*256kB [ 286.614270] ? check_preemption_disabled+0x48/0x200 [ 286.618998] (U) 0*512kB [ 286.620983] ? check_preemption_disabled+0x48/0x200 [ 286.626926] 1*1024kB (U) [ 286.629275] ? __lock_is_held+0xb5/0x140 [ 286.634263] 1*2048kB [ 286.636938] __alloc_pages_nodemask+0xa80/0xde0 [ 286.641929] (M) [ 286.644685] ? graph_lock+0x170/0x170 [ 286.648720] 3*4096kB (M) [ 286.651157] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 286.655801] = 15908kB [ 286.655810] Node 0 [ 286.657799] ? graph_lock+0x170/0x170 [ 286.661577] DMA32: [ 286.664340] ? find_held_lock+0x36/0x1c0 [ 286.669330] 3*4kB [ 286.671741] ? ____cache_alloc_node+0x1c7/0x1e0 [ 286.673954] (UM) [ 286.677754] ? lock_downgrade+0x900/0x900 [ 286.679963] 2*8kB (M) [ 286.684033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.686160] 3*16kB [ 286.690826] cache_grow_begin+0x91/0x8c0 [ 286.692874] (UM) [ 286.697022] ? do_raw_spin_unlock+0xa7/0x2f0 [ 286.699506] 3*32kB (M) [ 286.705062] fallback_alloc+0x203/0x2e0 [ 286.707265] 3*64kB [ 286.711334] ____cache_alloc_node+0x1c7/0x1e0 [ 286.713369] (UM) [ 286.717774] kmem_cache_alloc_node+0xe3/0x730 [ 286.720337] 4*128kB [ 286.724308] ? ipv6_get_ifaddr+0x42e/0x620 [ 286.726523] (UM) [ 286.731118] __alloc_skb+0x119/0x770 [ 286.733155] 3*256kB [ 286.737671] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.739971] (M) [ 286.744201] ? skb_scrub_packet+0x490/0x490 [ 286.746244] 4*512kB [ 286.749982] ? lock_downgrade+0x900/0x900 [ 286.752279] (M) [ 286.757568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.759513] 3*1024kB (UM) [ 286.763850] ? refcount_sub_and_test_checked+0x203/0x310 [ 286.766150] 1*2048kB [ 286.770294] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 286.772248] (M) 4*4096kB [ 286.777805] ? addrconf_rs_timer+0x6f0/0x6f0 [ 286.780632] (M) [ 286.786099] ndisc_alloc_skb+0x144/0x340 [ 286.788474] = 25196kB [ 286.788483] Node 0 [ 286.794729] ndisc_send_rs+0x331/0x6e0 [ 286.797464] Normal: [ 286.801873] addrconf_rs_timer+0x3c0/0x6f0 [ 286.803829] 852*4kB [ 286.807888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.810274] (UMEH) [ 286.812520] call_timer_fn+0x272/0x920 [ 286.816370] 324*8kB (UMEH) [ 286.818704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.822915] 169*16kB (UMEH) 81*32kB [ 286.825756] ? process_timeout+0x40/0x40 [ 286.829969] (UMEH) [ 286.832202] ? find_held_lock+0x36/0x1c0 [ 286.836070] 31*64kB [ 286.839012] ? __run_timers+0x7da/0xc70 [ 286.843231] (UMH) [ 286.846944] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.850983] 3*128kB [ 286.853215] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.857285] (H) [ 286.859601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.863552] 1*256kB (H) [ 286.865712] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 286.870188] 0*512kB [ 286.872533] ? trace_hardirqs_on+0xbd/0x310 [ 286.877015] 0*1024kB [ 286.878994] ? kasan_check_read+0x11/0x20 [ 286.883205] 0*2048kB [ 286.885924] ? __run_timers+0x7da/0xc70 [ 286.890477] 0*4096kB [ 286.892818] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.897110] = 13920kB [ 286.897125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 286.899530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.903672] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 286.906075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.910024] 414 total pagecache pages [ 286.912453] __run_timers+0x7e5/0xc70 [ 286.917887] 0 pages in swap cache [ 286.920345] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 286.929625] Swap cache stats: add 0, delete 0, find 0/0 [ 286.929635] Free swap = 0kB [ 286.933881] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 286.942437] Total swap = 0kB [ 286.946670] ? graph_lock+0x170/0x170 [ 286.950450] 1965979 pages RAM [ 286.954253] ? enqueue_hrtimer+0x1a5/0x560 [ 286.957677] 0 pages HighMem/MovableOnly [ 286.957686] 342744 pages reserved [ 286.963052] ? lock_release+0x970/0x970 [ 286.968396] 0 pages cma reserved [ 286.971448] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 286.976518] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 286.979465] ? find_held_lock+0x36/0x1c0 [ 286.979484] ? graph_lock+0x170/0x170 [ 286.979502] ? pvclock_read_flags+0x160/0x160 [ 286.983365] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 286.986422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.990641] syz-fuzzer cpuset= [ 286.994619] ? check_preemption_disabled+0x48/0x200 [ 286.998286] / [ 287.002287] ? __lock_is_held+0xb5/0x140 [ 287.005621] mems_allowed=0 [ 287.062458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.068049] ? check_preemption_disabled+0x48/0x200 [ 287.073087] run_timer_softirq+0x52/0xb0 [ 287.077174] ? rcu_read_lock_sched_held+0x108/0x120 [ 287.082217] __do_softirq+0x30b/0xad8 [ 287.086039] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 287.091160] ? pvclock_read_flags+0x160/0x160 [ 287.095667] ? lapic_next_event+0x5a/0x90 [ 287.099826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.105704] ? check_preemption_disabled+0x48/0x200 [ 287.110745] ? check_preemption_disabled+0x48/0x200 [ 287.115780] ? kvm_clock_read+0x18/0x30 [ 287.119769] ? kvm_sched_clock_read+0x9/0x20 [ 287.124192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.129743] ? check_preemption_disabled+0x48/0x200 [ 287.134797] irq_exit+0x17f/0x1c0 [ 287.138267] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.143124] ? smp_reschedule_interrupt+0x109/0x650 [ 287.148156] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.154075] ? interrupt_entry+0xb5/0xf0 [ 287.158146] ? trace_hardirqs_off_caller+0xbb/0x300 [ 287.163211] ? trace_hardirqs_off_caller+0xbb/0x300 [ 287.168250] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.173096] ? trace_hardirqs_off+0x300/0x300 [ 287.177605] ? trace_hardirqs_off+0x300/0x300 [ 287.182103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.187649] ? check_preemption_disabled+0x48/0x200 [ 287.192669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.198218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.203095] apic_timer_interrupt+0xf/0x20 [ 287.207331] [ 287.209582] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 287.214540] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 287.233655] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 287.241381] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 287.248778] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 287.256056] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 287.263338] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 287.270636] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 287.277972] skb_clone+0x1bb/0x500 [ 287.281521] ? finish_task_switch+0x2f5/0x900 [ 287.286025] ? skb_split+0x11e0/0x11e0 [ 287.289935] ? preempt_notifier_register+0x200/0x200 [ 287.295049] ? __switch_to_asm+0x34/0x70 [ 287.299125] ? __switch_to_asm+0x34/0x70 [ 287.303194] ? __switch_to_asm+0x40/0x70 [ 287.307283] ? __switch_to_asm+0x34/0x70 [ 287.311357] ? __switch_to_asm+0x40/0x70 [ 287.315425] ? __switch_to_asm+0x34/0x70 [ 287.319492] ? __switch_to_asm+0x40/0x70 [ 287.323771] ? __switch_to_asm+0x34/0x70 [ 287.327844] ? __switch_to_asm+0x34/0x70 [ 287.331925] ? __switch_to_asm+0x40/0x70 [ 287.335992] ? __switch_to_asm+0x34/0x70 [ 287.340074] bpf_clone_redirect+0xb9/0x490 [ 287.344319] ? __schedule+0x874/0x1ed0 [ 287.348237] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 287.353268] ? __sched_text_start+0x8/0x8 [ 287.357421] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 287.362201] ? find_held_lock+0x36/0x1c0 [ 287.366279] ? lock_acquire+0x1ed/0x520 [ 287.370261] ? bpf_test_run+0x32e/0x5a0 [ 287.374254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.379823] ? check_preemption_disabled+0x48/0x200 [ 287.384863] ? kasan_check_read+0x11/0x20 [ 287.389023] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.394315] ? rcu_bh_qs+0xc0/0xc0 [ 287.397882] ? preempt_schedule+0x4d/0x60 [ 287.402051] ? ___preempt_schedule+0x16/0x18 [ 287.406478] ? bpf_test_run+0x1c0/0x5a0 [ 287.410492] ? netlink_diag_dump+0x2a0/0x2a0 [ 287.414919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.420468] ? bpf_test_init.isra.9+0x70/0x100 [ 287.425068] ? bpf_prog_test_run_skb+0x634/0xb40 [ 287.429849] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.434705] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 287.440246] ? fput+0x130/0x1a0 [ 287.443527] ? __bpf_prog_get+0x9b/0x290 [ 287.447619] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.452502] ? bpf_prog_test_run+0x130/0x1a0 [ 287.456940] ? __x64_sys_bpf+0x3d8/0x510 [ 287.461034] ? bpf_prog_get+0x20/0x20 [ 287.464861] ? ksys_ioctl+0x81/0xd0 [ 287.468518] ? do_syscall_64+0x1b9/0x820 [ 287.472596] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 287.477987] ? syscall_return_slowpath+0x5e0/0x5e0 [ 287.482940] ? trace_hardirqs_off+0x300/0x300 [ 287.487447] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 287.492465] ? recalc_sigpending_tsk+0x180/0x180 [ 287.497246] ? kasan_check_write+0x14/0x20 [ 287.501508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.506386] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 287.511794] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 287.511869] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.518745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.518754] Call Trace: [ 287.525365] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.534600] [ 287.537174] syz-executor7 cpuset= [ 287.547683] dump_stack+0x1c4/0x2b4 [ 287.549809] syz7 [ 287.553261] ? dump_stack_print_info.cold.2+0x52/0x52 [ 287.556869] mems_allowed=0 [ 287.558848] warn_alloc.cold.118+0xb7/0x1bd [ 287.571248] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 287.576096] ? lock_downgrade+0x900/0x900 [ 287.580259] ? trace_hardirqs_off+0xb8/0x300 [ 287.584687] ? trace_hardirqs_off+0xb8/0x300 [ 287.589105] __alloc_pages_slowpath+0x2667/0x2d80 [ 287.593977] ? warn_alloc+0x120/0x120 [ 287.597782] ? warn_alloc+0x120/0x120 [ 287.601590] ? print_usage_bug+0xc0/0xc0 [ 287.605661] ? warn_alloc+0x120/0x120 [ 287.609485] ? print_usage_bug+0xc0/0xc0 [ 287.613555] ? __lock_acquire+0x7ec/0x4ec0 [ 287.617805] ? __lock_acquire+0x7ec/0x4ec0 [ 287.622079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.628076] ? should_fail+0x22d/0xd01 [ 287.631975] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.637083] ? __lock_acquire+0x7ec/0x4ec0 [ 287.641344] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.646448] ? __lock_acquire+0x7ec/0x4ec0 [ 287.650682] ? should_fail+0x22d/0xd01 [ 287.654580] ? mark_held_locks+0x130/0x130 [ 287.658832] ? mark_held_locks+0x130/0x130 [ 287.663075] ? graph_lock+0x170/0x170 [ 287.666883] ? graph_lock+0x170/0x170 [ 287.670716] ? graph_lock+0x170/0x170 [ 287.674516] ? print_usage_bug+0xc0/0xc0 [ 287.678582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.684130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.689676] ? check_preemption_disabled+0x48/0x200 [ 287.694700] ? check_preemption_disabled+0x48/0x200 [ 287.699742] ? __lock_is_held+0xb5/0x140 [ 287.703811] __alloc_pages_nodemask+0xa80/0xde0 [ 287.708486] ? graph_lock+0x170/0x170 [ 287.712302] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 287.717339] ? graph_lock+0x170/0x170 [ 287.721171] ? find_held_lock+0x36/0x1c0 [ 287.725740] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.730425] ? lock_downgrade+0x900/0x900 [ 287.734586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.740144] cache_grow_begin+0x91/0x8c0 [ 287.744212] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.748645] fallback_alloc+0x203/0x2e0 [ 287.752640] ____cache_alloc_node+0x1c7/0x1e0 [ 287.757148] kmem_cache_alloc_node+0xe3/0x730 [ 287.761652] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.765913] __alloc_skb+0x119/0x770 [ 287.769644] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.774940] ? skb_scrub_packet+0x490/0x490 [ 287.779264] ? lock_downgrade+0x900/0x900 [ 287.783430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.788987] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.794448] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.799903] ? addrconf_rs_timer+0x6f0/0x6f0 [ 287.804327] ndisc_alloc_skb+0x144/0x340 [ 287.808416] ndisc_send_rs+0x331/0x6e0 [ 287.812326] addrconf_rs_timer+0x3c0/0x6f0 [ 287.816568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.820819] call_timer_fn+0x272/0x920 [ 287.825202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.829446] ? process_timeout+0x40/0x40 [ 287.833509] ? find_held_lock+0x36/0x1c0 [ 287.837580] ? mark_held_locks+0xc7/0x130 [ 287.841738] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.846240] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.850748] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.854996] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 287.859583] ? trace_hardirqs_on+0xbd/0x310 [ 287.863914] ? kasan_check_read+0x11/0x20 [ 287.868070] ? __run_timers+0x7da/0xc70 [ 287.872065] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.877530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.881775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.886019] __run_timers+0x7e5/0xc70 [ 287.889839] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.895211] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.900260] ? graph_lock+0x170/0x170 [ 287.904067] ? print_usage_bug+0xc0/0xc0 [ 287.908127] ? lock_release+0x970/0x970 [ 287.912110] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.917310] ? find_held_lock+0x36/0x1c0 [ 287.921411] ? graph_lock+0x170/0x170 [ 287.925736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.931281] ? check_preemption_disabled+0x48/0x200 [ 287.936317] ? __lock_is_held+0xb5/0x140 [ 287.940415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.945960] ? check_preemption_disabled+0x48/0x200 [ 287.951014] run_timer_softirq+0x52/0xb0 [ 287.955078] ? rcu_read_lock_sched_held+0x108/0x120 [ 287.960145] __do_softirq+0x30b/0xad8 [ 287.963965] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 287.969078] ? pvclock_read_flags+0x160/0x160 [ 287.973583] ? lapic_next_event+0x5a/0x90 [ 287.977743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.983289] ? check_preemption_disabled+0x48/0x200 [ 287.988325] ? check_preemption_disabled+0x48/0x200 [ 287.993433] ? kvm_clock_read+0x18/0x30 [ 287.997443] ? kvm_sched_clock_read+0x9/0x20 [ 288.001855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.007397] ? check_preemption_disabled+0x48/0x200 [ 288.012438] irq_exit+0x17f/0x1c0 [ 288.015911] smp_apic_timer_interrupt+0x1cb/0x760 [ 288.020764] ? smp_reschedule_interrupt+0x109/0x650 [ 288.026269] ? smp_call_function_single_interrupt+0x650/0x650 [ 288.032174] ? interrupt_entry+0xb5/0xf0 [ 288.036239] ? trace_hardirqs_off_caller+0xbb/0x300 [ 288.041269] ? trace_hardirqs_off_caller+0xbb/0x300 [ 288.046287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.051157] ? trace_hardirqs_off+0x300/0x300 [ 288.055653] ? trace_hardirqs_off+0x300/0x300 [ 288.060162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.065714] ? check_preemption_disabled+0x48/0x200 [ 288.070752] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.075605] apic_timer_interrupt+0xf/0x20 [ 288.079841] [ 288.082096] RIP: 0010:console_unlock+0x1017/0x11a0 [ 288.087042] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 288.105943] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 288.113653] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 288.121467] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 288.129186] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 288.136453] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 288.143720] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 288.151000] ? netconsole_netdev_event+0x280/0x280 [ 288.155958] ? console_unlock+0x100e/0x11a0 [ 288.160468] ? devkmsg_read+0xbb0/0xbb0 [ 288.164443] ? vprintk_emit+0x7f7/0x930 [ 288.168437] ? lock_release+0x970/0x970 [ 288.172417] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.177871] ? vprintk_default+0x28/0x30 [ 288.181937] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.187410] ? kasan_check_write+0x14/0x20 [ 288.191648] ? do_raw_spin_lock+0xc1/0x200 [ 288.195890] vprintk_emit+0x33d/0x930 [ 288.199700] ? wake_up_klogd+0x180/0x180 [ 288.203787] ? find_held_lock+0x36/0x1c0 [ 288.207872] ? mark_held_locks+0xc7/0x130 [ 288.212036] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.216529] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.221031] vprintk_default+0x28/0x30 [ 288.225378] vprintk_func+0x7e/0x181 [ 288.229132] printk+0xa7/0xcf [ 288.232240] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 288.237003] ? _raw_spin_unlock_irq+0x60/0x80 [ 288.241560] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 288.246846] dump_header+0x7cc/0xf72 [ 288.250573] ? pagefault_out_of_memory+0x197/0x197 [ 288.255540] ? __lock_acquire+0x7ec/0x4ec0 [ 288.259784] ? print_usage_bug+0xc0/0xc0 [ 288.263854] ? graph_lock+0x170/0x170 [ 288.267654] ? graph_lock+0x170/0x170 [ 288.271456] ? print_usage_bug+0xc0/0xc0 [ 288.275518] ? print_usage_bug+0xc0/0xc0 [ 288.279585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.285144] ? find_held_lock+0x36/0x1c0 [ 288.289227] ? mark_held_locks+0xc7/0x130 [ 288.293382] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 288.298500] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 288.303604] ? lockdep_hardirqs_on+0x421/0x5c0 [ 288.308203] ? trace_hardirqs_on+0xbd/0x310 [ 288.312551] ? kasan_check_read+0x11/0x20 [ 288.316699] ? ___ratelimit+0x36f/0x655 [ 288.320675] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.326592] ? trace_hardirqs_on+0x310/0x310 [ 288.331010] ? lock_downgrade+0x900/0x900 [ 288.335167] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 288.340272] ? ___ratelimit+0xaa/0x655 [ 288.344164] ? idr_get_free+0xec0/0xec0 [ 288.348140] ? kasan_check_write+0x14/0x20 [ 288.352393] ? do_raw_spin_lock+0xc1/0x200 [ 288.356660] oom_kill_process.cold.27+0x10/0x903 [ 288.361433] ? graph_lock+0x170/0x170 [ 288.365238] ? _raw_spin_unlock+0x2c/0x50 [ 288.369389] ? oom_badness+0xe6/0xaa0 [ 288.373201] ? oom_evaluate_task+0x540/0x540 [ 288.377622] ? find_held_lock+0x36/0x1c0 [ 288.381696] ? out_of_memory+0x974/0x14c0 [ 288.385848] ? lock_downgrade+0x900/0x900 [ 288.389998] ? check_preemption_disabled+0x48/0x200 [ 288.395021] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 288.400829] ? kasan_check_read+0x11/0x20 [ 288.404989] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.410364] ? rcu_bh_qs+0xc0/0xc0 [ 288.413914] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 288.419458] ? oom_evaluate_task+0x302/0x540 [ 288.424363] out_of_memory+0xa86/0x14c0 [ 288.428349] ? oom_killer_disable+0x3a0/0x3a0 [ 288.432846] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 288.437786] ? __mutex_add_waiter+0x2a0/0x2a0 [ 288.442300] __alloc_pages_slowpath+0x2318/0x2d80 [ 288.447179] ? warn_alloc+0x120/0x120 [ 288.450993] ? __radix_tree_lookup+0x4c0/0x4c0 [ 288.455596] ? find_get_entry+0x2f2/0xc40 [ 288.459784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.465325] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 288.470260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.475800] ? should_fail+0x22d/0xd01 [ 288.479697] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.484809] ? __lock_is_held+0xb5/0x140 [ 288.488899] ? __lock_is_held+0xb5/0x140 [ 288.492971] ? find_held_lock+0x36/0x1c0 [ 288.497039] ? ___might_sleep+0x1ed/0x300 [ 288.501189] ? lock_release+0x970/0x970 [ 288.505200] ? arch_local_save_flags+0x40/0x40 [ 288.509806] ? __might_sleep+0x95/0x190 [ 288.513792] __alloc_pages_nodemask+0xa80/0xde0 [ 288.518482] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 288.524005] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 288.529812] ? kasan_check_read+0x11/0x20 [ 288.533966] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.539250] ? graph_lock+0x170/0x170 [ 288.543054] ? print_usage_bug+0xc0/0xc0 [ 288.547118] ? graph_lock+0x170/0x170 [ 288.550920] ? graph_lock+0x170/0x170 [ 288.554727] ? __do_page_cache_readahead+0x7ce/0x980 [ 288.559838] ? find_held_lock+0x36/0x1c0 [ 288.563909] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 288.569453] alloc_pages_current+0x10c/0x210 [ 288.573862] ? lock_downgrade+0x900/0x900 [ 288.578017] __page_cache_alloc+0x38f/0x5b0 [ 288.582344] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 288.588169] ? kasan_check_read+0x11/0x20 [ 288.592323] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.597634] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 288.602309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.607854] ? check_preemption_disabled+0x48/0x200 [ 288.612879] filemap_fault+0x1594/0x25f0 [ 288.616958] ? __lock_page_or_retry+0xa00/0xa00 [ 288.621634] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 288.627740] ? kasan_check_read+0x11/0x20 [ 288.631899] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.637177] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 288.642282] ? rcu_bh_qs+0xc0/0xc0 [ 288.645827] ? trace_hardirqs_on+0xbd/0x310 [ 288.650153] ? kasan_check_read+0x11/0x20 [ 288.654315] ? __free_object+0x173/0x340 [ 288.658384] ? filemap_map_pages+0xdea/0x1980 [ 288.662892] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 288.667995] ? __free_object+0x173/0x340 [ 288.672062] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 288.677335] ? debug_object_free+0x325/0x690 [ 288.681758] ? find_get_pages_range_tag+0x1320/0x1320 [ 288.686954] ? graph_lock+0x170/0x170 [ 288.690765] ? kasan_check_read+0x11/0x20 [ 288.694923] ? debug_object_destroy+0x2b0/0x2b0 [ 288.699645] ? lock_acquire+0x1ed/0x520 [ 288.703627] ? ext4_filemap_fault+0x7a/0xad [ 288.707956] ? lock_release+0x970/0x970 [ 288.711931] ? arch_local_save_flags+0x40/0x40 [ 288.716520] ? futex_wait_setup+0x3e0/0x3e0 [ 288.720857] ? down_read+0xb0/0x1d0 [ 288.724943] ? ext4_filemap_fault+0x7a/0xad [ 288.729269] ? __down_interruptible+0x700/0x700 [ 288.733974] ext4_filemap_fault+0x82/0xad [ 288.738125] __do_fault+0x100/0x6b0 [ 288.741775] ? print_bad_pte+0x6c0/0x6c0 [ 288.745838] ? do_futex+0x249/0x26d0 [ 288.749557] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.755106] ? kasan_check_read+0x11/0x20 [ 288.759256] ? pmd_val+0x88/0x100 [ 288.762711] ? add_mm_counter_fast+0xd0/0xd0 [ 288.767123] ? pmd_val+0x88/0x100 [ 288.770602] ? add_mm_counter_fast+0xd0/0xd0 [ 288.775038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.780616] __handle_mm_fault+0x3709/0x53e0 [ 288.785036] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 288.789882] ? graph_lock+0x170/0x170 [ 288.793690] ? print_usage_bug+0xc0/0xc0 [ 288.797752] ? lockdep_hardirqs_on+0x421/0x5c0 [ 288.802340] ? graph_lock+0x170/0x170 [ 288.806140] ? graph_lock+0x170/0x170 [ 288.809963] ? handle_mm_fault+0x42a/0xc70 [ 288.814203] ? lock_downgrade+0x900/0x900 [ 288.818352] ? check_preemption_disabled+0x48/0x200 [ 288.823828] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 288.829639] ? kasan_check_read+0x11/0x20 [ 288.833790] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.839067] ? rcu_bh_qs+0xc0/0xc0 [ 288.842609] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.848074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.853646] ? check_preemption_disabled+0x48/0x200 [ 288.858675] handle_mm_fault+0x54f/0xc70 [ 288.862742] ? __handle_mm_fault+0x53e0/0x53e0 [ 288.867332] ? find_vma+0x34/0x190 [ 288.870880] __do_page_fault+0x67d/0xed0 [ 288.874955] ? mm_fault_error+0x380/0x380 [ 288.879104] ? trace_hardirqs_off+0xb8/0x300 [ 288.883517] ? trace_hardirqs_on+0x310/0x310 [ 288.887930] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 288.893296] ? trace_hardirqs_on+0x310/0x310 [ 288.897726] do_page_fault+0xf2/0x7e0 [ 288.901530] ? vmalloc_sync_all+0x30/0x30 [ 288.905718] ? error_entry+0x70/0xd0 [ 288.909436] ? trace_hardirqs_off_caller+0xbb/0x300 [ 288.914468] ? trace_hardirqs_on_caller+0xc0/0x300 [ 288.919416] ? syscall_return_slowpath+0x5e0/0x5e0 [ 288.924861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.929710] ? trace_hardirqs_off+0x300/0x300 [ 288.934205] ? trace_hardirqs_off_caller+0x300/0x300 [ 288.939319] ? prepare_exit_to_usermode+0x291/0x3b0 [ 288.944350] ? page_fault+0x8/0x30 [ 288.947894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.952746] ? page_fault+0x8/0x30 [ 288.956301] page_fault+0x1e/0x30 [ 288.959751] RIP: 0033:0x45ddf3 [ 288.962950] Code: Bad RIP value. [ 288.966312] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 288.971675] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 288.978954] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 288.986223] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 288.993490] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 289.000942] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 289.008246] warn_alloc_show_mem: 1 callbacks suppressed [ 289.008258] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 289.008260] Mem-Info: [ 289.008291] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 289.008291] active_file:16 inactive_file:19 isolated_file:0 [ 289.008291] unevictable:0 dirty:0 writeback:0 unstable:0 [ 289.008291] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 289.008291] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 289.008291] free:13708 free_pcp:124 free_cma:0 [ 289.013641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.020855] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 289.023652] Call Trace: [ 289.056526] Node 0 [ 289.065876] [ 289.093571] 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 [ 289.096135] dump_stack+0x1c4/0x2b4 [ 289.098357] lowmem_reserve[]: 0 [ 289.100523] ? dump_stack_print_info.cold.2+0x52/0x52 [ 289.126950] 2817 6321 [ 289.130617] warn_alloc.cold.118+0xb7/0x1bd [ 289.133861] 6321 [ 289.139062] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.141537] Node 0 [ 289.145856] ? lock_downgrade+0x900/0x900 [ 289.147925] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 289.152748] ? trace_hardirqs_off+0xb8/0x300 [ 289.154951] lowmem_reserve[]: 0 [ 289.159122] ? trace_hardirqs_off+0xb8/0x300 [ 289.186084] 0 3503 [ 289.190535] __alloc_pages_slowpath+0x2667/0x2d80 [ 289.193793] 3503 [ 289.198248] ? warn_alloc+0x120/0x120 [ 289.205306] ? trace_hardirqs_on+0x310/0x310 [ 289.207346] Node 0 [ 289.211149] ? warn_alloc+0x120/0x120 [ 289.215561] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 289.217773] ? print_usage_bug+0xc0/0xc0 [ 289.221543] lowmem_reserve[]: 0 [ 289.249765] ? warn_alloc+0x120/0x120 [ 289.253813] 0 [ 289.257094] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 289.260868] 0 0 [ 289.262712] ? print_usage_bug+0xc0/0xc0 [ 289.267735] Node 0 [ 289.269721] ? __lock_acquire+0x7ec/0x4ec0 [ 289.273771] DMA: 1*4kB [ 289.276016] ? __lock_acquire+0x7ec/0x4ec0 [ 289.280228] (U) [ 289.282827] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.287068] 0*8kB [ 289.289041] ? should_fail+0x22d/0xd01 [ 289.294573] 0*16kB [ 289.296720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.300585] 1*32kB [ 289.302816] ? __lock_acquire+0x7ec/0x4ec0 [ 289.307901] (U) [ 289.310190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.314413] 2*64kB (U) [ 289.316396] ? __lock_acquire+0x7ec/0x4ec0 [ 289.321504] 1*128kB [ 289.324088] ? should_fail+0x22d/0xd01 [ 289.328301] (U) [ 289.330614] ? print_usage_bug+0xc0/0xc0 [ 289.330637] ? mark_held_locks+0x130/0x130 [ 289.334511] 1*256kB [ 289.336486] ? mark_held_locks+0x130/0x130 [ 289.340524] (U) [ 289.344756] ? graph_lock+0x170/0x170 [ 289.347049] 0*512kB 1*1024kB [ 289.351296] ? print_usage_bug+0xc0/0xc0 [ 289.353267] (U) [ 289.357068] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 289.360151] 1*2048kB [ 289.364222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.366184] (M) [ 289.370957] ? check_preemption_disabled+0x48/0x200 [ 289.373346] 3*4096kB [ 289.379225] ? check_preemption_disabled+0x48/0x200 [ 289.381176] (M) [ 289.386217] ? __lock_is_held+0xb5/0x140 [ 289.388597] = 15908kB [ 289.388606] Node 0 [ 289.393646] __alloc_pages_nodemask+0xa80/0xde0 [ 289.395603] DMA32: [ 289.399660] ? graph_lock+0x170/0x170 [ 289.402054] 3*4kB [ 289.404289] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 289.408954] (UM) [ 289.411184] ? graph_lock+0x170/0x170 [ 289.414959] 2*8kB (M) [ 289.417122] ? find_held_lock+0x36/0x1c0 [ 289.422126] 3*16kB [ 289.424194] ? ____cache_alloc_node+0x1c7/0x1e0 [ 289.427971] (UM) [ 289.430464] ? lock_downgrade+0x900/0x900 [ 289.434504] 3*32kB [ 289.436738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.441377] (M) 3*64kB [ 289.443464] cache_grow_begin+0x91/0x8c0 [ 289.447586] (UM) [ 289.449823] ? do_raw_spin_unlock+0xa7/0x2f0 [ 289.455343] 4*128kB (UM) [ 289.457957] fallback_alloc+0x203/0x2e0 [ 289.461992] 3*256kB [ 289.464057] ____cache_alloc_node+0x1c7/0x1e0 [ 289.468439] (M) [ 289.471199] kmem_cache_alloc_node+0xe3/0x730 [ 289.475151] 4*512kB [ 289.477471] ? ipv6_get_ifaddr+0x42e/0x620 [ 289.481939] (M) 3*1024kB [ 289.483933] __alloc_skb+0x119/0x770 [ 289.488409] (UM) [ 289.490739] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.494947] 1*2048kB [ 289.497696] ? skb_scrub_packet+0x490/0x490 [ 289.501388] (M) [ 289.503450] ? lock_downgrade+0x900/0x900 [ 289.508698] 4*4096kB (M) [ 289.511123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.515425] = 25196kB [ 289.517402] ? refcount_sub_and_test_checked+0x203/0x310 [ 289.521543] Node 0 [ 289.524427] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 289.529943] Normal: [ 289.532351] ? addrconf_rs_timer+0x6f0/0x6f0 [ 289.537775] 852*4kB [ 289.540011] ndisc_alloc_skb+0x144/0x340 [ 289.545430] (UMEH) [ 289.547751] ndisc_send_rs+0x331/0x6e0 [ 289.552131] 324*8kB (UMEH) [ 289.554465] addrconf_rs_timer+0x3c0/0x6f0 [ 289.558504] 169*16kB [ 289.560735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.564608] (UMEH) [ 289.567548] call_timer_fn+0x272/0x920 [ 289.571751] 81*32kB [ 289.574159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.578371] (UMEH) 31*64kB [ 289.580620] ? process_timeout+0x40/0x40 [ 289.584493] (UMH) [ 289.586811] ? find_held_lock+0x36/0x1c0 [ 289.591016] 3*128kB (H) [ 289.593971] ? __run_timers+0x7da/0xc70 [ 289.598005] 1*256kB (H) [ 289.600165] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.604209] 0*512kB [ 289.606877] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.610832] 0*1024kB [ 289.613501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.617974] 0*2048kB [ 289.620292] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 289.625286] 0*4096kB = 13920kB [ 289.627722] ? trace_hardirqs_on+0xbd/0x310 [ 289.631941] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 289.634345] ? kasan_check_read+0x11/0x20 [ 289.638908] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 289.642097] ? __run_timers+0x7da/0xc70 [ 289.646411] 414 total pagecache pages [ 289.655247] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.659382] 0 pages in swap cache [ 289.667949] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.671900] Swap cache stats: add 0, delete 0, find 0/0 [ 289.675697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.681124] Free swap = 0kB [ 289.684574] __run_timers+0x7e5/0xc70 [ 289.688784] Total swap = 0kB [ 289.694154] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 289.698357] 1965979 pages RAM [ 289.701454] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 289.705224] 0 pages HighMem/MovableOnly [ 289.705233] 342744 pages reserved [ 289.708252] ? graph_lock+0x170/0x170 [ 289.713591] 0 pages cma reserved [ 289.713697] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.716710] ? enqueue_hrtimer+0x1a5/0x560 [ 289.721830] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.725698] ? lock_release+0x970/0x970 [ 289.729144] syz-fuzzer cpuset= [ 289.732942] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 289.736286] / [ 289.742790] ? find_held_lock+0x36/0x1c0 [ 289.747007] mems_allowed=0 [ 289.757239] ? graph_lock+0x170/0x170 [ 289.782019] ? pvclock_read_flags+0x160/0x160 [ 289.786518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.792086] ? check_preemption_disabled+0x48/0x200 [ 289.797122] ? __lock_is_held+0xb5/0x140 [ 289.801215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.806762] ? check_preemption_disabled+0x48/0x200 [ 289.811790] run_timer_softirq+0x52/0xb0 [ 289.815874] ? rcu_read_lock_sched_held+0x108/0x120 [ 289.820900] __do_softirq+0x30b/0xad8 [ 289.824823] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 289.829937] ? pvclock_read_flags+0x160/0x160 [ 289.834433] ? lapic_next_event+0x5a/0x90 [ 289.838584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.844148] ? check_preemption_disabled+0x48/0x200 [ 289.849171] ? check_preemption_disabled+0x48/0x200 [ 289.854196] ? kvm_clock_read+0x18/0x30 [ 289.858174] ? kvm_sched_clock_read+0x9/0x20 [ 289.862591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.868150] ? check_preemption_disabled+0x48/0x200 [ 289.873185] irq_exit+0x17f/0x1c0 [ 289.876652] smp_apic_timer_interrupt+0x1cb/0x760 [ 289.881497] ? smp_reschedule_interrupt+0x109/0x650 [ 289.886517] ? smp_call_function_single_interrupt+0x650/0x650 [ 289.892409] ? interrupt_entry+0xb5/0xf0 [ 289.896477] ? trace_hardirqs_off_caller+0xbb/0x300 [ 289.901495] ? trace_hardirqs_off_caller+0xbb/0x300 [ 289.906518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.911363] ? trace_hardirqs_off+0x300/0x300 [ 289.915857] ? trace_hardirqs_off+0x300/0x300 [ 289.920380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.926040] ? check_preemption_disabled+0x48/0x200 [ 289.931060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.936616] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.941477] apic_timer_interrupt+0xf/0x20 [ 289.945710] [ 289.947956] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 289.952886] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 289.971812] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 289.979534] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 289.986803] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 289.994070] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 290.001340] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 290.008619] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 290.015938] skb_clone+0x1bb/0x500 [ 290.019483] ? finish_task_switch+0x2f5/0x900 [ 290.023987] ? skb_split+0x11e0/0x11e0 [ 290.027914] ? preempt_notifier_register+0x200/0x200 [ 290.033023] ? __switch_to_asm+0x34/0x70 [ 290.037087] ? __switch_to_asm+0x34/0x70 [ 290.041150] ? __switch_to_asm+0x40/0x70 [ 290.045211] ? __switch_to_asm+0x34/0x70 [ 290.049292] ? __switch_to_asm+0x40/0x70 [ 290.053379] ? __switch_to_asm+0x34/0x70 [ 290.057477] ? __switch_to_asm+0x40/0x70 [ 290.061549] ? __switch_to_asm+0x34/0x70 [ 290.065659] ? __switch_to_asm+0x34/0x70 [ 290.069720] ? __switch_to_asm+0x40/0x70 [ 290.073778] ? __switch_to_asm+0x34/0x70 [ 290.077848] bpf_clone_redirect+0xb9/0x490 [ 290.082086] ? __schedule+0x874/0x1ed0 [ 290.085986] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 290.091021] ? __sched_text_start+0x8/0x8 [ 290.095175] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.099957] ? find_held_lock+0x36/0x1c0 [ 290.104028] ? lock_acquire+0x1ed/0x520 [ 290.108001] ? bpf_test_run+0x32e/0x5a0 [ 290.111979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.117535] ? check_preemption_disabled+0x48/0x200 [ 290.122561] ? kasan_check_read+0x11/0x20 [ 290.126868] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.132153] ? rcu_bh_qs+0xc0/0xc0 [ 290.135713] ? preempt_schedule+0x4d/0x60 [ 290.139870] ? ___preempt_schedule+0x16/0x18 [ 290.144302] ? bpf_test_run+0x1c0/0x5a0 [ 290.148314] ? netlink_diag_dump+0x2a0/0x2a0 [ 290.152730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.158272] ? bpf_test_init.isra.9+0x70/0x100 [ 290.162861] ? bpf_prog_test_run_skb+0x634/0xb40 [ 290.167629] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 290.172473] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 290.178020] ? fput+0x130/0x1a0 [ 290.181307] ? __bpf_prog_get+0x9b/0x290 [ 290.185389] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 290.190245] ? bpf_prog_test_run+0x130/0x1a0 [ 290.194661] ? __x64_sys_bpf+0x3d8/0x510 [ 290.198754] ? bpf_prog_get+0x20/0x20 [ 290.202562] ? ksys_ioctl+0x81/0xd0 [ 290.206223] ? do_syscall_64+0x1b9/0x820 [ 290.210297] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 290.215674] ? syscall_return_slowpath+0x5e0/0x5e0 [ 290.220610] ? trace_hardirqs_off+0x300/0x300 [ 290.225115] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 290.230134] ? recalc_sigpending_tsk+0x180/0x180 [ 290.234898] ? kasan_check_write+0x14/0x20 [ 290.239149] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.244005] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.249422] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 290.249486] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.256384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.256392] Call Trace: [ 290.266051] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.275282] [ 290.277856] syz-executor7 cpuset= [ 290.288353] dump_stack+0x1c4/0x2b4 [ 290.290490] syz7 [ 290.293952] ? dump_stack_print_info.cold.2+0x52/0x52 [ 290.297560] mems_allowed=0 [ 290.299538] warn_alloc.cold.118+0xb7/0x1bd [ 290.311936] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.316801] ? lock_downgrade+0x900/0x900 [ 290.320980] ? trace_hardirqs_off+0xb8/0x300 [ 290.325909] ? trace_hardirqs_off+0xb8/0x300 [ 290.330365] __alloc_pages_slowpath+0x2667/0x2d80 [ 290.335244] ? warn_alloc+0x120/0x120 [ 290.339050] ? trace_hardirqs_on+0x310/0x310 [ 290.343461] ? warn_alloc+0x120/0x120 [ 290.347268] ? print_usage_bug+0xc0/0xc0 [ 290.351334] ? warn_alloc+0x120/0x120 [ 290.355135] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 290.360153] ? print_usage_bug+0xc0/0xc0 [ 290.364234] ? __lock_acquire+0x7ec/0x4ec0 [ 290.368479] ? __lock_acquire+0x7ec/0x4ec0 [ 290.372718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.378254] ? should_fail+0x22d/0xd01 [ 290.382145] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.387263] ? __lock_acquire+0x7ec/0x4ec0 [ 290.391504] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.396608] ? __lock_acquire+0x7ec/0x4ec0 [ 290.400850] ? should_fail+0x22d/0xd01 [ 290.404734] ? print_usage_bug+0xc0/0xc0 [ 290.408806] ? mark_held_locks+0x130/0x130 [ 290.413046] ? mark_held_locks+0x130/0x130 [ 290.417315] ? graph_lock+0x170/0x170 [ 290.421131] ? print_usage_bug+0xc0/0xc0 [ 290.425637] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.430399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.435961] ? check_preemption_disabled+0x48/0x200 [ 290.440981] ? check_preemption_disabled+0x48/0x200 [ 290.446008] ? __lock_is_held+0xb5/0x140 [ 290.450082] __alloc_pages_nodemask+0xa80/0xde0 [ 290.454775] ? graph_lock+0x170/0x170 [ 290.458582] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 290.463603] ? graph_lock+0x170/0x170 [ 290.467427] ? find_held_lock+0x36/0x1c0 [ 290.471500] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.476183] ? lock_downgrade+0x900/0x900 [ 290.480367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.485914] cache_grow_begin+0x91/0x8c0 [ 290.489980] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.494398] fallback_alloc+0x203/0x2e0 [ 290.498387] ____cache_alloc_node+0x1c7/0x1e0 [ 290.502896] kmem_cache_alloc_node+0xe3/0x730 [ 290.507396] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.511655] __alloc_skb+0x119/0x770 [ 290.515373] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.520659] ? skb_scrub_packet+0x490/0x490 [ 290.525472] ? lock_downgrade+0x900/0x900 [ 290.529639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.535182] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.540643] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.546109] ? addrconf_rs_timer+0x6f0/0x6f0 [ 290.550532] ndisc_alloc_skb+0x144/0x340 [ 290.554598] ndisc_send_rs+0x331/0x6e0 [ 290.558497] addrconf_rs_timer+0x3c0/0x6f0 [ 290.562770] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.567021] call_timer_fn+0x272/0x920 [ 290.570910] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.575150] ? process_timeout+0x40/0x40 [ 290.579207] ? find_held_lock+0x36/0x1c0 [ 290.583279] ? mark_held_locks+0xc7/0x130 [ 290.587437] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.591944] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.596437] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.600675] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 290.605260] ? trace_hardirqs_on+0xbd/0x310 [ 290.609596] ? kasan_check_read+0x11/0x20 [ 290.613750] ? __run_timers+0x7da/0xc70 [ 290.617725] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.623650] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.627906] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.632155] __run_timers+0x7e5/0xc70 [ 290.635972] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 290.641350] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 290.646366] ? graph_lock+0x170/0x170 [ 290.650202] ? print_usage_bug+0xc0/0xc0 [ 290.654262] ? lock_release+0x970/0x970 [ 290.658237] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 290.663440] ? find_held_lock+0x36/0x1c0 [ 290.667507] ? graph_lock+0x170/0x170 [ 290.671341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.676884] ? check_preemption_disabled+0x48/0x200 [ 290.681913] ? __lock_is_held+0xb5/0x140 [ 290.685981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.691520] ? check_preemption_disabled+0x48/0x200 [ 290.696550] run_timer_softirq+0x52/0xb0 [ 290.700625] ? rcu_read_lock_sched_held+0x108/0x120 [ 290.705650] __do_softirq+0x30b/0xad8 [ 290.709461] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 290.714609] ? pvclock_read_flags+0x160/0x160 [ 290.719149] ? lapic_next_event+0x5a/0x90 [ 290.723814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.729366] ? check_preemption_disabled+0x48/0x200 [ 290.734399] ? check_preemption_disabled+0x48/0x200 [ 290.739431] ? kvm_clock_read+0x18/0x30 [ 290.743412] ? kvm_sched_clock_read+0x9/0x20 [ 290.747838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.753402] ? check_preemption_disabled+0x48/0x200 [ 290.758442] irq_exit+0x17f/0x1c0 [ 290.761903] smp_apic_timer_interrupt+0x1cb/0x760 [ 290.766747] ? smp_reschedule_interrupt+0x109/0x650 [ 290.771768] ? smp_call_function_single_interrupt+0x650/0x650 [ 290.777652] ? interrupt_entry+0xb5/0xf0 [ 290.781754] ? trace_hardirqs_off_caller+0xbb/0x300 [ 290.786770] ? trace_hardirqs_off_caller+0xbb/0x300 [ 290.791788] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.796641] ? trace_hardirqs_off+0x300/0x300 [ 290.801139] ? trace_hardirqs_off+0x300/0x300 [ 290.805641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.811203] ? check_preemption_disabled+0x48/0x200 [ 290.816227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.821082] apic_timer_interrupt+0xf/0x20 [ 290.825797] [ 290.828042] RIP: 0010:console_unlock+0x1017/0x11a0 [ 290.832973] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 290.851872] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 290.859618] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 290.866886] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 290.874154] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 290.881426] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 290.888699] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 290.896069] ? netconsole_netdev_event+0x280/0x280 [ 290.901010] ? console_unlock+0x100e/0x11a0 [ 290.905352] ? devkmsg_read+0xbb0/0xbb0 [ 290.909335] ? vprintk_emit+0x7f7/0x930 [ 290.913336] ? lock_release+0x970/0x970 [ 290.917377] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.922851] ? vprintk_default+0x28/0x30 [ 290.927148] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.932627] ? kasan_check_write+0x14/0x20 [ 290.936885] ? do_raw_spin_lock+0xc1/0x200 [ 290.941145] vprintk_emit+0x33d/0x930 [ 290.944959] ? wake_up_klogd+0x180/0x180 [ 290.949032] ? find_held_lock+0x36/0x1c0 [ 290.953106] ? mark_held_locks+0xc7/0x130 [ 290.957261] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.961765] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.966285] vprintk_default+0x28/0x30 [ 290.970198] vprintk_func+0x7e/0x181 [ 290.973917] printk+0xa7/0xcf [ 290.977030] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 290.981788] ? _raw_spin_unlock_irq+0x60/0x80 [ 290.986298] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 290.991588] dump_header+0x7cc/0xf72 [ 290.995319] ? pagefault_out_of_memory+0x197/0x197 [ 291.000453] ? __lock_acquire+0x7ec/0x4ec0 [ 291.004692] ? print_usage_bug+0xc0/0xc0 [ 291.008763] ? graph_lock+0x170/0x170 [ 291.012567] ? graph_lock+0x170/0x170 [ 291.016371] ? print_usage_bug+0xc0/0xc0 [ 291.020443] ? print_usage_bug+0xc0/0xc0 [ 291.025045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.030587] ? find_held_lock+0x36/0x1c0 [ 291.034674] ? mark_held_locks+0xc7/0x130 [ 291.038823] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 291.043943] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 291.049047] ? lockdep_hardirqs_on+0x421/0x5c0 [ 291.053638] ? trace_hardirqs_on+0xbd/0x310 [ 291.057964] ? kasan_check_read+0x11/0x20 [ 291.062113] ? ___ratelimit+0x36f/0x655 [ 291.066090] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.071542] ? trace_hardirqs_on+0x310/0x310 [ 291.075951] ? lock_downgrade+0x900/0x900 [ 291.080105] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 291.085212] ? ___ratelimit+0xaa/0x655 [ 291.089108] ? idr_get_free+0xec0/0xec0 [ 291.093089] ? kasan_check_write+0x14/0x20 [ 291.097324] ? do_raw_spin_lock+0xc1/0x200 [ 291.101604] oom_kill_process.cold.27+0x10/0x903 [ 291.106871] ? graph_lock+0x170/0x170 [ 291.110674] ? _raw_spin_unlock+0x2c/0x50 [ 291.114836] ? oom_badness+0xe6/0xaa0 [ 291.118664] ? oom_evaluate_task+0x540/0x540 [ 291.123454] ? find_held_lock+0x36/0x1c0 [ 291.127541] ? out_of_memory+0x974/0x14c0 [ 291.131695] ? lock_downgrade+0x900/0x900 [ 291.135851] ? check_preemption_disabled+0x48/0x200 [ 291.140879] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.146682] ? kasan_check_read+0x11/0x20 [ 291.150836] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.156118] ? rcu_bh_qs+0xc0/0xc0 [ 291.159668] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 291.165216] ? oom_evaluate_task+0x302/0x540 [ 291.169635] out_of_memory+0xa86/0x14c0 [ 291.173628] ? oom_killer_disable+0x3a0/0x3a0 [ 291.178140] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 291.183099] ? __mutex_add_waiter+0x2a0/0x2a0 [ 291.187637] __alloc_pages_slowpath+0x2318/0x2d80 [ 291.192514] ? warn_alloc+0x120/0x120 [ 291.196316] ? __radix_tree_lookup+0x4c0/0x4c0 [ 291.200941] ? find_get_entry+0x2f2/0xc40 [ 291.205110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.210655] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 291.215587] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.221131] ? should_fail+0x22d/0xd01 [ 291.225468] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.230571] ? __lock_is_held+0xb5/0x140 [ 291.234665] ? __lock_is_held+0xb5/0x140 [ 291.238747] ? find_held_lock+0x36/0x1c0 [ 291.242812] ? ___might_sleep+0x1ed/0x300 [ 291.246961] ? lock_release+0x970/0x970 [ 291.250953] ? arch_local_save_flags+0x40/0x40 [ 291.255554] ? __might_sleep+0x95/0x190 [ 291.259533] __alloc_pages_nodemask+0xa80/0xde0 [ 291.264228] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 291.269251] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.275066] ? kasan_check_read+0x11/0x20 [ 291.279231] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.284513] ? graph_lock+0x170/0x170 [ 291.288342] ? print_usage_bug+0xc0/0xc0 [ 291.292424] ? graph_lock+0x170/0x170 [ 291.296231] ? graph_lock+0x170/0x170 [ 291.300033] ? __do_page_cache_readahead+0x7ce/0x980 [ 291.305143] ? find_held_lock+0x36/0x1c0 [ 291.309210] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 291.314766] alloc_pages_current+0x10c/0x210 [ 291.319177] ? lock_downgrade+0x900/0x900 [ 291.323814] __page_cache_alloc+0x38f/0x5b0 [ 291.328138] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.333937] ? kasan_check_read+0x11/0x20 [ 291.338099] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.343380] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 291.348057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.353600] ? check_preemption_disabled+0x48/0x200 [ 291.358652] filemap_fault+0x1594/0x25f0 [ 291.362734] ? __lock_page_or_retry+0xa00/0xa00 [ 291.367413] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.373232] ? kasan_check_read+0x11/0x20 [ 291.377385] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.382669] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 291.387777] ? rcu_bh_qs+0xc0/0xc0 [ 291.391333] ? trace_hardirqs_on+0xbd/0x310 [ 291.395656] ? kasan_check_read+0x11/0x20 [ 291.399805] ? __free_object+0x173/0x340 [ 291.403884] ? filemap_map_pages+0xdea/0x1980 [ 291.408448] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 291.413551] ? __free_object+0x173/0x340 [ 291.417630] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 291.422915] ? debug_object_free+0x325/0x690 [ 291.427464] ? find_get_pages_range_tag+0x1320/0x1320 [ 291.432833] ? graph_lock+0x170/0x170 [ 291.436662] ? kasan_check_read+0x11/0x20 [ 291.440813] ? debug_object_destroy+0x2b0/0x2b0 [ 291.445493] ? lock_acquire+0x1ed/0x520 [ 291.449467] ? ext4_filemap_fault+0x7a/0xad [ 291.453808] ? lock_release+0x970/0x970 [ 291.457786] ? arch_local_save_flags+0x40/0x40 [ 291.462408] ? futex_wait_setup+0x3e0/0x3e0 [ 291.466743] ? down_read+0xb0/0x1d0 [ 291.470368] ? ext4_filemap_fault+0x7a/0xad [ 291.474701] ? __down_interruptible+0x700/0x700 [ 291.479398] ext4_filemap_fault+0x82/0xad [ 291.483561] __do_fault+0x100/0x6b0 [ 291.487198] ? print_bad_pte+0x6c0/0x6c0 [ 291.491262] ? do_futex+0x249/0x26d0 [ 291.494977] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.500438] ? kasan_check_read+0x11/0x20 [ 291.504587] ? pmd_val+0x88/0x100 [ 291.508051] ? add_mm_counter_fast+0xd0/0xd0 [ 291.512461] ? pmd_val+0x88/0x100 [ 291.515919] ? add_mm_counter_fast+0xd0/0xd0 [ 291.520351] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.526341] __handle_mm_fault+0x3709/0x53e0 [ 291.530781] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 291.535632] ? graph_lock+0x170/0x170 [ 291.539440] ? print_usage_bug+0xc0/0xc0 [ 291.543497] ? lockdep_hardirqs_on+0x421/0x5c0 [ 291.548106] ? graph_lock+0x170/0x170 [ 291.551905] ? graph_lock+0x170/0x170 [ 291.555766] ? handle_mm_fault+0x42a/0xc70 [ 291.560001] ? lock_downgrade+0x900/0x900 [ 291.564155] ? check_preemption_disabled+0x48/0x200 [ 291.569177] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.574991] ? kasan_check_read+0x11/0x20 [ 291.579143] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.584430] ? rcu_bh_qs+0xc0/0xc0 [ 291.587971] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.593429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.598985] ? check_preemption_disabled+0x48/0x200 [ 291.604011] handle_mm_fault+0x54f/0xc70 [ 291.608077] ? __handle_mm_fault+0x53e0/0x53e0 [ 291.612675] ? find_vma+0x34/0x190 [ 291.616230] __do_page_fault+0x67d/0xed0 [ 291.620308] ? mm_fault_error+0x380/0x380 [ 291.624942] ? trace_hardirqs_off+0xb8/0x300 [ 291.629353] ? trace_hardirqs_on+0x310/0x310 [ 291.633761] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.639124] ? trace_hardirqs_on+0x310/0x310 [ 291.643539] do_page_fault+0xf2/0x7e0 [ 291.647341] ? vmalloc_sync_all+0x30/0x30 [ 291.651495] ? error_entry+0x70/0xd0 [ 291.655219] ? trace_hardirqs_off_caller+0xbb/0x300 [ 291.660240] ? trace_hardirqs_on_caller+0xc0/0x300 [ 291.665168] ? syscall_return_slowpath+0x5e0/0x5e0 [ 291.670097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.674940] ? trace_hardirqs_off+0x300/0x300 [ 291.679437] ? trace_hardirqs_off_caller+0x300/0x300 [ 291.684549] ? prepare_exit_to_usermode+0x291/0x3b0 [ 291.689569] ? page_fault+0x8/0x30 [ 291.693133] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.697988] ? page_fault+0x8/0x30 [ 291.701529] page_fault+0x1e/0x30 [ 291.704989] RIP: 0033:0x45ddf3 [ 291.708203] Code: Bad RIP value. [ 291.711581] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 291.716959] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 291.724729] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 291.731997] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 291.739268] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 291.746539] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 291.753845] warn_alloc_show_mem: 1 callbacks suppressed [ 291.753857] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 291.753859] Mem-Info: [ 291.753889] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 291.753889] active_file:16 inactive_file:19 isolated_file:0 [ 291.753889] unevictable:0 dirty:0 writeback:0 unstable:0 [ 291.753889] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 291.753889] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 291.753889] free:13708 free_pcp:124 free_cma:0 [ 291.759235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 291.759244] Call Trace: [ 291.766443] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 291.768845] [ 291.801713] Node 0 [ 291.811071] dump_stack+0x1c4/0x2b4 [ 291.813680] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 291.841330] ? dump_stack_print_info.cold.2+0x52/0x52 [ 291.843456] lowmem_reserve[]: [ 291.845700] warn_alloc.cold.118+0xb7/0x1bd [ 291.849300] 0 [ 291.874809] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 291.879985] 2817 [ 291.883090] ? lock_downgrade+0x900/0x900 [ 291.887389] 6321 [ 291.889209] ? trace_hardirqs_off+0xb8/0x300 [ 291.894028] 6321 [ 291.896095] ? trace_hardirqs_off+0xb8/0x300 [ 291.900248] Node 0 [ 291.902321] __alloc_pages_slowpath+0x2667/0x2d80 [ 291.906730] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 291.908789] ? warn_alloc+0x120/0x120 [ 291.913169] lowmem_reserve[]: 0 [ 291.915424] ? trace_hardirqs_on+0x310/0x310 [ 291.915439] ? warn_alloc+0x120/0x120 [ 291.920272] 0 [ 291.947263] ? print_usage_bug+0xc0/0xc0 [ 291.951048] 3503 [ 291.954323] ? warn_alloc+0x120/0x120 [ 291.958709] 3503 [ 291.962506] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 291.964283] Node 0 [ 291.968368] ? print_usage_bug+0xc0/0xc0 [ 291.970437] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 291.974206] ? __lock_acquire+0x7ec/0x4ec0 [ 291.976242] lowmem_reserve[]: 0 [ 291.981264] ? __lock_acquire+0x7ec/0x4ec0 [ 291.983482] 0 [ 291.987543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.015739] 0 [ 292.019974] ? should_fail+0x22d/0xd01 [ 292.023741] 0 [ 292.027984] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.029775] Node 0 [ 292.035323] ? __lock_acquire+0x7ec/0x4ec0 [ 292.037119] DMA: [ 292.041004] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.042789] 1*4kB [ 292.047885] ? __lock_acquire+0x7ec/0x4ec0 [ 292.050100] (U) [ 292.054328] ? should_fail+0x22d/0xd01 [ 292.056373] 0*8kB [ 292.061484] ? print_usage_bug+0xc0/0xc0 [ 292.063620] 0*16kB [ 292.067848] ? mark_held_locks+0x130/0x130 [ 292.069803] 1*32kB [ 292.073690] ? mark_held_locks+0x130/0x130 [ 292.075833] (U) [ 292.079893] ? graph_lock+0x170/0x170 [ 292.082106] 2*64kB [ 292.086350] ? print_usage_bug+0xc0/0xc0 [ 292.088564] (U) [ 292.092807] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 292.094757] 1*128kB (U) [ 292.098561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.100769] 1*256kB (U) [ 292.104925] ? check_preemption_disabled+0x48/0x200 [ 292.106894] 0*512kB [ 292.111653] ? check_preemption_disabled+0x48/0x200 [ 292.114327] 1*1024kB [ 292.119868] ? __lock_is_held+0xb5/0x140 [ 292.122538] (U) [ 292.127566] __alloc_pages_nodemask+0xa80/0xde0 [ 292.129866] 1*2048kB (M) [ 292.134884] ? graph_lock+0x170/0x170 [ 292.137280] 3*4096kB [ 292.141346] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 292.143303] (M) [ 292.147993] ? graph_lock+0x170/0x170 [ 292.150734] = 15908kB [ 292.154535] ? find_held_lock+0x36/0x1c0 [ 292.156911] Node 0 DMA32: [ 292.161954] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.163906] 3*4kB [ 292.167720] ? lock_downgrade+0x900/0x900 [ 292.170126] (UM) [ 292.174188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.177004] 2*8kB (M) [ 292.181677] cache_grow_begin+0x91/0x8c0 [ 292.183818] 3*16kB [ 292.187975] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.190022] (UM) [ 292.195555] fallback_alloc+0x203/0x2e0 [ 292.198026] 3*32kB [ 292.202086] ____cache_alloc_node+0x1c7/0x1e0 [ 292.204309] (M) [ 292.208739] kmem_cache_alloc_node+0xe3/0x730 [ 292.210778] 3*64kB [ 292.214745] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.216955] (UM) [ 292.221475] __alloc_skb+0x119/0x770 [ 292.223892] 4*128kB (UM) [ 292.228417] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.230653] 3*256kB [ 292.234886] ? skb_scrub_packet+0x490/0x490 [ 292.236942] (M) [ 292.240654] ? lock_downgrade+0x900/0x900 [ 292.243400] 4*512kB [ 292.248708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.251005] (M) [ 292.255322] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.257278] 3*1024kB [ 292.261444] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.263759] (UM) [ 292.269295] ? addrconf_rs_timer+0x6f0/0x6f0 [ 292.271260] 1*2048kB (M) [ 292.276723] ndisc_alloc_skb+0x144/0x340 [ 292.279110] 4*4096kB (M) [ 292.284578] ndisc_send_rs+0x331/0x6e0 [ 292.286624] = 25196kB [ 292.291029] addrconf_rs_timer+0x3c0/0x6f0 [ 292.293766] Node 0 [ 292.297843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.300572] Normal: 852*4kB [ 292.304472] call_timer_fn+0x272/0x920 [ 292.306878] (UMEH) [ 292.311142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.313356] 324*8kB [ 292.317584] ? process_timeout+0x40/0x40 [ 292.320576] (UMEH) [ 292.324551] ? find_held_lock+0x36/0x1c0 [ 292.324574] ? __run_timers+0x7da/0xc70 [ 292.326789] 169*16kB [ 292.331021] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.333329] (UMEH) [ 292.337383] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.339603] 81*32kB [ 292.343671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.347657] (UMEH) [ 292.350066] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 292.354539] 31*64kB [ 292.356773] ? trace_hardirqs_on+0xbd/0x310 [ 292.361245] (UMH) [ 292.363566] ? kasan_check_read+0x11/0x20 [ 292.367772] 3*128kB (H) [ 292.370016] ? __run_timers+0x7da/0xc70 [ 292.374586] 1*256kB [ 292.376914] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.381204] (H) [ 292.383362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.387488] 0*512kB [ 292.390156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.394110] 0*1024kB [ 292.396436] __run_timers+0x7e5/0xc70 [ 292.401864] 0*2048kB [ 292.403843] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 292.408047] 0*4096kB [ 292.410384] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 292.414608] = 13920kB [ 292.417018] ? graph_lock+0x170/0x170 [ 292.420804] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 292.423476] ? enqueue_hrtimer+0x1a5/0x560 [ 292.428968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 292.431368] ? lock_release+0x970/0x970 [ 292.436362] 414 total pagecache pages [ 292.438774] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 292.442559] 0 pages in swap cache [ 292.451380] ? find_held_lock+0x36/0x1c0 [ 292.455597] Swap cache stats: add 0, delete 0, find 0/0 [ 292.464188] ? graph_lock+0x170/0x170 [ 292.468153] Free swap = 0kB [ 292.471965] ? pvclock_read_flags+0x160/0x160 [ 292.477126] Total swap = 0kB [ 292.477134] 1965979 pages RAM [ 292.480583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.484622] 0 pages HighMem/MovableOnly [ 292.489982] ? check_preemption_disabled+0x48/0x200 [ 292.493755] 342744 pages reserved [ 292.493764] 0 pages cma reserved [ 292.496784] ? __lock_is_held+0xb5/0x140 [ 292.501313] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.504270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.507415] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.512885] ? check_preemption_disabled+0x48/0x200 [ 292.516846] syz-fuzzer cpuset= [ 292.521859] run_timer_softirq+0x52/0xb0 [ 292.525411] / [ 292.528778] ? rcu_read_lock_sched_held+0x108/0x120 [ 292.532815] mems_allowed=0 [ 292.539304] __do_softirq+0x30b/0xad8 [ 292.580758] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 292.585869] ? pvclock_read_flags+0x160/0x160 [ 292.590364] ? lapic_next_event+0x5a/0x90 [ 292.594528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.600068] ? check_preemption_disabled+0x48/0x200 [ 292.605100] ? check_preemption_disabled+0x48/0x200 [ 292.610129] ? kvm_clock_read+0x18/0x30 [ 292.614123] ? kvm_sched_clock_read+0x9/0x20 [ 292.618532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.624072] ? check_preemption_disabled+0x48/0x200 [ 292.629106] irq_exit+0x17f/0x1c0 [ 292.632565] smp_apic_timer_interrupt+0x1cb/0x760 [ 292.637407] ? smp_reschedule_interrupt+0x109/0x650 [ 292.642431] ? smp_call_function_single_interrupt+0x650/0x650 [ 292.648315] ? interrupt_entry+0xb5/0xf0 [ 292.652377] ? trace_hardirqs_off_caller+0xbb/0x300 [ 292.657400] ? trace_hardirqs_off_caller+0xbb/0x300 [ 292.662443] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.667299] ? trace_hardirqs_off+0x300/0x300 [ 292.671791] ? trace_hardirqs_off+0x300/0x300 [ 292.676287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.681829] ? check_preemption_disabled+0x48/0x200 [ 292.686845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.692392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.697250] apic_timer_interrupt+0xf/0x20 [ 292.701489] [ 292.703740] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 292.708681] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 292.727689] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 292.735412] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 292.742696] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 292.749964] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 292.757242] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 292.764512] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 292.771823] skb_clone+0x1bb/0x500 [ 292.775371] ? finish_task_switch+0x2f5/0x900 [ 292.779867] ? skb_split+0x11e0/0x11e0 [ 292.783761] ? preempt_notifier_register+0x200/0x200 [ 292.788862] ? __switch_to_asm+0x34/0x70 [ 292.792955] ? __switch_to_asm+0x34/0x70 [ 292.797015] ? __switch_to_asm+0x40/0x70 [ 292.801073] ? __switch_to_asm+0x34/0x70 [ 292.805130] ? __switch_to_asm+0x40/0x70 [ 292.809198] ? __switch_to_asm+0x34/0x70 [ 292.813283] ? __switch_to_asm+0x40/0x70 [ 292.817356] ? __switch_to_asm+0x34/0x70 [ 292.821432] ? __switch_to_asm+0x34/0x70 [ 292.825501] ? __switch_to_asm+0x40/0x70 [ 292.829562] ? __switch_to_asm+0x34/0x70 [ 292.833638] bpf_clone_redirect+0xb9/0x490 [ 292.837890] ? __schedule+0x874/0x1ed0 [ 292.841795] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 292.846820] ? __sched_text_start+0x8/0x8 [ 292.850976] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 292.855748] ? find_held_lock+0x36/0x1c0 [ 292.859817] ? lock_acquire+0x1ed/0x520 [ 292.863806] ? bpf_test_run+0x32e/0x5a0 [ 292.867785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.873331] ? check_preemption_disabled+0x48/0x200 [ 292.878356] ? kasan_check_read+0x11/0x20 [ 292.882508] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.887809] ? rcu_bh_qs+0xc0/0xc0 [ 292.891356] ? preempt_schedule+0x4d/0x60 [ 292.895508] ? ___preempt_schedule+0x16/0x18 [ 292.899934] ? bpf_test_run+0x1c0/0x5a0 [ 292.903933] ? netlink_diag_dump+0x2a0/0x2a0 [ 292.908349] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.913913] ? bpf_test_init.isra.9+0x70/0x100 [ 292.918525] ? bpf_prog_test_run_skb+0x634/0xb40 [ 292.923457] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 292.928299] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 292.933840] ? fput+0x130/0x1a0 [ 292.937151] ? __bpf_prog_get+0x9b/0x290 [ 292.941224] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 292.946092] ? bpf_prog_test_run+0x130/0x1a0 [ 292.950506] ? __x64_sys_bpf+0x3d8/0x510 [ 292.954580] ? bpf_prog_get+0x20/0x20 [ 292.958416] ? ksys_ioctl+0x81/0xd0 [ 292.962058] ? do_syscall_64+0x1b9/0x820 [ 292.966124] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 292.971489] ? syscall_return_slowpath+0x5e0/0x5e0 [ 292.976419] ? trace_hardirqs_off+0x300/0x300 [ 292.980959] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 292.985990] ? recalc_sigpending_tsk+0x180/0x180 [ 292.990750] ? kasan_check_write+0x14/0x20 [ 292.994996] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.000343] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 293.005727] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 293.005796] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 293.012675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.012681] Call Trace: [ 293.012687] [ 293.012702] dump_stack+0x1c4/0x2b4 [ 293.012719] ? dump_stack_print_info.cold.2+0x52/0x52 [ 293.012745] warn_alloc.cold.118+0xb7/0x1bd [ 293.019302] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 293.028942] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.031507] syz-executor7 cpuset= [ 293.033655] ? lock_downgrade+0x900/0x900 [ 293.037260] syz7 [ 293.042449] ? trace_hardirqs_off+0xb8/0x300 [ 293.046757] mems_allowed=0 [ 293.057237] ? trace_hardirqs_off+0xb8/0x300 [ 293.083347] __alloc_pages_slowpath+0x2667/0x2d80 [ 293.088223] ? warn_alloc+0x120/0x120 [ 293.092031] ? warn_alloc+0x120/0x120 [ 293.095832] ? print_usage_bug+0xc0/0xc0 [ 293.099896] ? warn_alloc+0x120/0x120 [ 293.104199] ? print_usage_bug+0xc0/0xc0 [ 293.108274] ? __lock_acquire+0x7ec/0x4ec0 [ 293.112508] ? __lock_acquire+0x7ec/0x4ec0 [ 293.116746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.122284] ? should_fail+0x22d/0xd01 [ 293.126364] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.131488] ? __lock_acquire+0x7ec/0x4ec0 [ 293.135749] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.140852] ? __lock_acquire+0x7ec/0x4ec0 [ 293.145097] ? should_fail+0x22d/0xd01 [ 293.149007] ? mark_held_locks+0x130/0x130 [ 293.153247] ? mark_held_locks+0x130/0x130 [ 293.157486] ? graph_lock+0x170/0x170 [ 293.161302] ? graph_lock+0x170/0x170 [ 293.165107] ? graph_lock+0x170/0x170 [ 293.168922] ? print_usage_bug+0xc0/0xc0 [ 293.172997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.178538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.184077] ? check_preemption_disabled+0x48/0x200 [ 293.189094] ? check_preemption_disabled+0x48/0x200 [ 293.194161] ? __lock_is_held+0xb5/0x140 [ 293.198229] __alloc_pages_nodemask+0xa80/0xde0 [ 293.202902] ? graph_lock+0x170/0x170 [ 293.206717] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 293.211781] ? graph_lock+0x170/0x170 [ 293.215590] ? find_held_lock+0x36/0x1c0 [ 293.219667] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.224853] ? lock_downgrade+0x900/0x900 [ 293.229009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.234552] cache_grow_begin+0x91/0x8c0 [ 293.238624] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.243041] fallback_alloc+0x203/0x2e0 [ 293.247035] ____cache_alloc_node+0x1c7/0x1e0 [ 293.251546] kmem_cache_alloc_node+0xe3/0x730 [ 293.256046] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.260295] __alloc_skb+0x119/0x770 [ 293.264015] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.269303] ? skb_scrub_packet+0x490/0x490 [ 293.273631] ? lock_downgrade+0x900/0x900 [ 293.277809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.283351] ? refcount_sub_and_test_checked+0x203/0x310 [ 293.288807] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 293.294261] ? addrconf_rs_timer+0x6f0/0x6f0 [ 293.298683] ndisc_alloc_skb+0x144/0x340 [ 293.302751] ndisc_send_rs+0x331/0x6e0 [ 293.306656] addrconf_rs_timer+0x3c0/0x6f0 [ 293.310896] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.315174] call_timer_fn+0x272/0x920 [ 293.319063] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.323814] ? process_timeout+0x40/0x40 [ 293.327872] ? find_held_lock+0x36/0x1c0 [ 293.331941] ? mark_held_locks+0xc7/0x130 [ 293.336106] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.340622] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.345116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.349350] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 293.353966] ? trace_hardirqs_on+0xbd/0x310 [ 293.358286] ? kasan_check_read+0x11/0x20 [ 293.362448] ? __run_timers+0x7da/0xc70 [ 293.366435] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.371904] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.376247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.380505] __run_timers+0x7e5/0xc70 [ 293.384323] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 293.389692] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 293.394710] ? graph_lock+0x170/0x170 [ 293.398518] ? print_usage_bug+0xc0/0xc0 [ 293.402575] ? lock_release+0x970/0x970 [ 293.406548] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 293.411751] ? find_held_lock+0x36/0x1c0 [ 293.415819] ? graph_lock+0x170/0x170 [ 293.419633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.425644] ? check_preemption_disabled+0x48/0x200 [ 293.430674] ? __lock_is_held+0xb5/0x140 [ 293.434759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.440301] ? check_preemption_disabled+0x48/0x200 [ 293.445324] run_timer_softirq+0x52/0xb0 [ 293.449387] ? rcu_read_lock_sched_held+0x108/0x120 [ 293.454414] __do_softirq+0x30b/0xad8 [ 293.458225] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 293.463333] ? pvclock_read_flags+0x160/0x160 [ 293.467825] ? lapic_next_event+0x5a/0x90 [ 293.471971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.477521] ? check_preemption_disabled+0x48/0x200 [ 293.482534] ? check_preemption_disabled+0x48/0x200 [ 293.487572] ? kvm_clock_read+0x18/0x30 [ 293.491567] ? kvm_sched_clock_read+0x9/0x20 [ 293.495980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.501523] ? check_preemption_disabled+0x48/0x200 [ 293.506548] irq_exit+0x17f/0x1c0 [ 293.510002] smp_apic_timer_interrupt+0x1cb/0x760 [ 293.514842] ? smp_reschedule_interrupt+0x109/0x650 [ 293.519859] ? smp_call_function_single_interrupt+0x650/0x650 [ 293.526250] ? interrupt_entry+0xb5/0xf0 [ 293.530331] ? trace_hardirqs_off_caller+0xbb/0x300 [ 293.535345] ? trace_hardirqs_off_caller+0xbb/0x300 [ 293.540392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.545240] ? trace_hardirqs_off+0x300/0x300 [ 293.549750] ? trace_hardirqs_off+0x300/0x300 [ 293.554256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.559795] ? check_preemption_disabled+0x48/0x200 [ 293.564819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.569667] apic_timer_interrupt+0xf/0x20 [ 293.573890] [ 293.576130] RIP: 0010:console_unlock+0x1017/0x11a0 [ 293.581171] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 293.600073] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 293.607781] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 293.615048] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 293.622329] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 293.630055] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 293.637322] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 293.644597] ? netconsole_netdev_event+0x280/0x280 [ 293.649536] ? console_unlock+0x100e/0x11a0 [ 293.653873] ? devkmsg_read+0xbb0/0xbb0 [ 293.657846] ? vprintk_emit+0x7f7/0x930 [ 293.661823] ? lock_release+0x970/0x970 [ 293.665803] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.671279] ? vprintk_default+0x28/0x30 [ 293.675344] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.680801] ? kasan_check_write+0x14/0x20 [ 293.685063] ? do_raw_spin_lock+0xc1/0x200 [ 293.689332] vprintk_emit+0x33d/0x930 [ 293.693144] ? wake_up_klogd+0x180/0x180 [ 293.697215] ? find_held_lock+0x36/0x1c0 [ 293.701291] ? mark_held_locks+0xc7/0x130 [ 293.705454] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.709968] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.714469] vprintk_default+0x28/0x30 [ 293.718355] vprintk_func+0x7e/0x181 [ 293.722075] printk+0xa7/0xcf [ 293.725651] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 293.730430] ? _raw_spin_unlock_irq+0x60/0x80 [ 293.734940] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 293.740245] dump_header+0x7cc/0xf72 [ 293.743973] ? pagefault_out_of_memory+0x197/0x197 [ 293.748911] ? __lock_acquire+0x7ec/0x4ec0 [ 293.753151] ? print_usage_bug+0xc0/0xc0 [ 293.757220] ? graph_lock+0x170/0x170 [ 293.761027] ? graph_lock+0x170/0x170 [ 293.764833] ? print_usage_bug+0xc0/0xc0 [ 293.768905] ? print_usage_bug+0xc0/0xc0 [ 293.772974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.778518] ? find_held_lock+0x36/0x1c0 [ 293.782585] ? mark_held_locks+0xc7/0x130 [ 293.786742] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 293.791851] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 293.796969] ? lockdep_hardirqs_on+0x421/0x5c0 [ 293.801991] ? trace_hardirqs_on+0xbd/0x310 [ 293.806316] ? kasan_check_read+0x11/0x20 [ 293.810474] ? ___ratelimit+0x36f/0x655 [ 293.814460] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.819914] ? trace_hardirqs_on+0x310/0x310 [ 293.824777] ? lock_downgrade+0x900/0x900 [ 293.828957] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 293.834087] ? ___ratelimit+0xaa/0x655 [ 293.837980] ? idr_get_free+0xec0/0xec0 [ 293.841958] ? kasan_check_write+0x14/0x20 [ 293.846194] ? do_raw_spin_lock+0xc1/0x200 [ 293.850440] oom_kill_process.cold.27+0x10/0x903 [ 293.855200] ? graph_lock+0x170/0x170 [ 293.859002] ? _raw_spin_unlock+0x2c/0x50 [ 293.863171] ? oom_badness+0xe6/0xaa0 [ 293.866981] ? oom_evaluate_task+0x540/0x540 [ 293.871416] ? find_held_lock+0x36/0x1c0 [ 293.875505] ? out_of_memory+0x974/0x14c0 [ 293.879657] ? lock_downgrade+0x900/0x900 [ 293.883810] ? check_preemption_disabled+0x48/0x200 [ 293.888835] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 293.894638] ? kasan_check_read+0x11/0x20 [ 293.898793] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.904074] ? rcu_bh_qs+0xc0/0xc0 [ 293.907629] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 293.913190] ? oom_evaluate_task+0x302/0x540 [ 293.917602] out_of_memory+0xa86/0x14c0 [ 293.921597] ? oom_killer_disable+0x3a0/0x3a0 [ 293.926619] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 293.931554] ? __mutex_add_waiter+0x2a0/0x2a0 [ 293.936064] __alloc_pages_slowpath+0x2318/0x2d80 [ 293.940943] ? warn_alloc+0x120/0x120 [ 293.944746] ? __radix_tree_lookup+0x4c0/0x4c0 [ 293.949354] ? find_get_entry+0x2f2/0xc40 [ 293.953515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.959067] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 293.964004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.969544] ? should_fail+0x22d/0xd01 [ 293.973444] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.978551] ? __lock_is_held+0xb5/0x140 [ 293.982643] ? __lock_is_held+0xb5/0x140 [ 293.986721] ? find_held_lock+0x36/0x1c0 [ 293.990787] ? ___might_sleep+0x1ed/0x300 [ 293.994935] ? lock_release+0x970/0x970 [ 293.998912] ? arch_local_save_flags+0x40/0x40 [ 294.003510] ? __might_sleep+0x95/0x190 [ 294.007491] __alloc_pages_nodemask+0xa80/0xde0 [ 294.012173] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.017194] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.023456] ? kasan_check_read+0x11/0x20 [ 294.027620] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.032901] ? graph_lock+0x170/0x170 [ 294.036704] ? print_usage_bug+0xc0/0xc0 [ 294.040769] ? graph_lock+0x170/0x170 [ 294.044573] ? graph_lock+0x170/0x170 [ 294.048370] ? __do_page_cache_readahead+0x7ce/0x980 [ 294.053478] ? find_held_lock+0x36/0x1c0 [ 294.057553] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 294.063098] alloc_pages_current+0x10c/0x210 [ 294.067520] ? lock_downgrade+0x900/0x900 [ 294.071678] __page_cache_alloc+0x38f/0x5b0 [ 294.076017] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.081829] ? kasan_check_read+0x11/0x20 [ 294.086004] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.091285] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 294.095958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.101501] ? check_preemption_disabled+0x48/0x200 [ 294.106530] filemap_fault+0x1594/0x25f0 [ 294.110607] ? __lock_page_or_retry+0xa00/0xa00 [ 294.115283] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.121079] ? kasan_check_read+0x11/0x20 [ 294.125727] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.131007] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 294.136131] ? rcu_bh_qs+0xc0/0xc0 [ 294.139675] ? trace_hardirqs_on+0xbd/0x310 [ 294.143997] ? kasan_check_read+0x11/0x20 [ 294.148160] ? __free_object+0x173/0x340 [ 294.152231] ? filemap_map_pages+0xdea/0x1980 [ 294.156737] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 294.161843] ? __free_object+0x173/0x340 [ 294.165912] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 294.171188] ? debug_object_free+0x325/0x690 [ 294.175598] ? find_get_pages_range_tag+0x1320/0x1320 [ 294.180841] ? graph_lock+0x170/0x170 [ 294.184672] ? kasan_check_read+0x11/0x20 [ 294.188835] ? debug_object_destroy+0x2b0/0x2b0 [ 294.193514] ? lock_acquire+0x1ed/0x520 [ 294.197486] ? ext4_filemap_fault+0x7a/0xad [ 294.201816] ? lock_release+0x970/0x970 [ 294.205795] ? arch_local_save_flags+0x40/0x40 [ 294.210380] ? futex_wait_setup+0x3e0/0x3e0 [ 294.214716] ? down_read+0xb0/0x1d0 [ 294.218339] ? ext4_filemap_fault+0x7a/0xad [ 294.222673] ? __down_interruptible+0x700/0x700 [ 294.227734] ext4_filemap_fault+0x82/0xad [ 294.231886] __do_fault+0x100/0x6b0 [ 294.235516] ? print_bad_pte+0x6c0/0x6c0 [ 294.239575] ? do_futex+0x249/0x26d0 [ 294.243288] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.248761] ? kasan_check_read+0x11/0x20 [ 294.252910] ? pmd_val+0x88/0x100 [ 294.256368] ? add_mm_counter_fast+0xd0/0xd0 [ 294.260775] ? pmd_val+0x88/0x100 [ 294.264241] ? add_mm_counter_fast+0xd0/0xd0 [ 294.268674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.274218] __handle_mm_fault+0x3709/0x53e0 [ 294.278646] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 294.283491] ? graph_lock+0x170/0x170 [ 294.287294] ? print_usage_bug+0xc0/0xc0 [ 294.291396] ? lockdep_hardirqs_on+0x421/0x5c0 [ 294.295985] ? graph_lock+0x170/0x170 [ 294.299788] ? graph_lock+0x170/0x170 [ 294.303611] ? handle_mm_fault+0x42a/0xc70 [ 294.307855] ? lock_downgrade+0x900/0x900 [ 294.312003] ? check_preemption_disabled+0x48/0x200 [ 294.317056] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.322856] ? kasan_check_read+0x11/0x20 [ 294.327378] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.332663] ? rcu_bh_qs+0xc0/0xc0 [ 294.336214] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.341716] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.347254] ? check_preemption_disabled+0x48/0x200 [ 294.352278] handle_mm_fault+0x54f/0xc70 [ 294.356354] ? __handle_mm_fault+0x53e0/0x53e0 [ 294.360969] ? find_vma+0x34/0x190 [ 294.364527] __do_page_fault+0x67d/0xed0 [ 294.368648] ? mm_fault_error+0x380/0x380 [ 294.372795] ? trace_hardirqs_off+0xb8/0x300 [ 294.377202] ? trace_hardirqs_on+0x310/0x310 [ 294.381630] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 294.386993] ? trace_hardirqs_on+0x310/0x310 [ 294.391414] do_page_fault+0xf2/0x7e0 [ 294.395222] ? vmalloc_sync_all+0x30/0x30 [ 294.399371] ? error_entry+0x70/0xd0 [ 294.403093] ? trace_hardirqs_off_caller+0xbb/0x300 [ 294.408108] ? trace_hardirqs_on_caller+0xc0/0x300 [ 294.413037] ? syscall_return_slowpath+0x5e0/0x5e0 [ 294.417967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.422809] ? trace_hardirqs_off+0x300/0x300 [ 294.427500] ? trace_hardirqs_off_caller+0x300/0x300 [ 294.432612] ? prepare_exit_to_usermode+0x291/0x3b0 [ 294.437644] ? page_fault+0x8/0x30 [ 294.441205] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.446056] ? page_fault+0x8/0x30 [ 294.449603] page_fault+0x1e/0x30 [ 294.453059] RIP: 0033:0x45ddf3 [ 294.456280] Code: Bad RIP value. [ 294.459662] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 294.465042] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 294.472319] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 294.479607] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 294.486881] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 294.494150] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 294.501444] warn_alloc_show_mem: 1 callbacks suppressed [ 294.501456] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 294.501458] Mem-Info: [ 294.501488] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 294.501488] active_file:16 inactive_file:19 isolated_file:0 [ 294.501488] unevictable:0 dirty:0 writeback:0 unstable:0 [ 294.501488] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 294.501488] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 294.501488] free:13708 free_pcp:124 free_cma:0 [ 294.506836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.514030] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 294.516437] Call Trace: [ 294.549763] Node 0 [ 294.559122] [ 294.586818] 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 [ 294.589377] dump_stack+0x1c4/0x2b4 [ 294.591584] lowmem_reserve[]: 0 [ 294.593734] ? dump_stack_print_info.cold.2+0x52/0x52 [ 294.619239] 2817 6321 [ 294.622896] warn_alloc.cold.118+0xb7/0x1bd [ 294.626413] 6321 [ 294.631594] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.638386] ? lock_downgrade+0x900/0x900 [ 294.640429] Node 0 [ 294.645271] ? trace_hardirqs_off+0xb8/0x300 [ 294.649446] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 294.651654] ? trace_hardirqs_off+0xb8/0x300 [ 294.656036] lowmem_reserve[]: [ 294.683012] __alloc_pages_slowpath+0x2667/0x2d80 [ 294.687395] 0 [ 294.690519] ? warn_alloc+0x120/0x120 [ 294.695323] 0 [ 294.697123] ? trace_hardirqs_on+0x310/0x310 [ 294.700898] 3503 [ 294.702701] ? warn_alloc+0x120/0x120 [ 294.707097] 3503 [ 294.709173] ? print_usage_bug+0xc0/0xc0 [ 294.712948] Node 0 [ 294.715023] ? warn_alloc+0x120/0x120 [ 294.719086] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 294.721308] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 294.725538] lowmem_reserve[]: 0 [ 294.753741] ? print_usage_bug+0xc0/0xc0 [ 294.758742] 0 [ 294.762017] ? __lock_acquire+0x7ec/0x4ec0 [ 294.766056] 0 [ 294.767853] ? __lock_acquire+0x7ec/0x4ec0 [ 294.772059] 0 [ 294.773870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.778108] Node 0 [ 294.779917] ? should_fail+0x22d/0xd01 [ 294.785426] DMA: [ 294.787660] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.791527] 1*4kB [ 294.793585] ? __lock_acquire+0x7ec/0x4ec0 [ 294.798665] (U) [ 294.800815] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.805029] 0*8kB [ 294.807000] ? __lock_acquire+0x7ec/0x4ec0 [ 294.812211] 0*16kB [ 294.814356] ? should_fail+0x22d/0xd01 [ 294.818583] 1*32kB [ 294.820814] ? print_usage_bug+0xc0/0xc0 [ 294.825188] (U) 2*64kB [ 294.827443] ? mark_held_locks+0x130/0x130 [ 294.831478] (U) [ 294.834063] ? mark_held_locks+0x130/0x130 [ 294.838292] 1*128kB [ 294.840273] ? graph_lock+0x170/0x170 [ 294.844491] (U) [ 294.846818] ? print_usage_bug+0xc0/0xc0 [ 294.850595] 1*256kB [ 294.852578] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.856622] (U) [ 294.858942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.863677] 0*512kB [ 294.865663] ? check_preemption_disabled+0x48/0x200 [ 294.871176] 1*1024kB [ 294.873498] ? check_preemption_disabled+0x48/0x200 [ 294.878488] (U) [ 294.880915] ? __lock_is_held+0xb5/0x140 [ 294.885898] 1*2048kB [ 294.887887] __alloc_pages_nodemask+0xa80/0xde0 [ 294.891924] (M) [ 294.894364] ? graph_lock+0x170/0x170 [ 294.899014] 3*4096kB [ 294.900997] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.904777] (M) [ 294.907182] ? graph_lock+0x170/0x170 [ 294.912182] = 15908kB [ 294.914164] ? find_held_lock+0x36/0x1c0 [ 294.917940] Node 0 [ 294.920350] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.924848] DMA32: 3*4kB [ 294.927094] ? lock_downgrade+0x900/0x900 [ 294.931744] (UM) [ 294.934506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.938630] 2*8kB [ 294.940692] cache_grow_begin+0x91/0x8c0 [ 294.946215] (M) [ 294.948371] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.952427] 3*16kB (UM) [ 294.954427] fallback_alloc+0x203/0x2e0 [ 294.958814] 3*32kB [ 294.961483] ____cache_alloc_node+0x1c7/0x1e0 [ 294.965433] (M) [ 294.967671] kmem_cache_alloc_node+0xe3/0x730 [ 294.972159] 3*64kB [ 294.974136] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.978609] (UM) [ 294.980848] __alloc_skb+0x119/0x770 [ 294.985059] 4*128kB [ 294.987118] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.990804] (UM) [ 294.993124] ? skb_scrub_packet+0x490/0x490 [ 294.998603] 3*256kB (M) [ 295.000676] ? lock_downgrade+0x900/0x900 [ 295.004974] 4*512kB (M) [ 295.007713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.011900] 3*1024kB [ 295.014588] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.020102] (UM) [ 295.022509] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.028224] 1*2048kB (M) [ 295.030297] ? addrconf_rs_timer+0x6f0/0x6f0 [ 295.035730] 4*4096kB [ 295.038493] ndisc_alloc_skb+0x144/0x340 [ 295.042881] (M) [ 295.045305] ndisc_send_rs+0x331/0x6e0 [ 295.049343] = 25196kB [ 295.051339] addrconf_rs_timer+0x3c0/0x6f0 [ 295.055207] Node 0 [ 295.057635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.061854] Normal: [ 295.064098] call_timer_fn+0x272/0x920 [ 295.068304] 852*4kB [ 295.070648] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.074512] (UMEH) [ 295.076836] ? process_timeout+0x40/0x40 [ 295.081047] 324*8kB [ 295.083283] ? find_held_lock+0x36/0x1c0 [ 295.087327] (UMEH) [ 295.089683] ? __run_timers+0x7da/0xc70 [ 295.093707] 169*16kB [ 295.095946] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.099890] (UMEH) 81*32kB [ 295.102315] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.107282] (UMEH) 31*64kB [ 295.110243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.114719] (UMH) [ 295.117650] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 295.121863] 3*128kB [ 295.124012] ? trace_hardirqs_on+0xbd/0x310 [ 295.128589] (H) [ 295.130917] ? kasan_check_read+0x11/0x20 [ 295.135203] 1*256kB (H) [ 295.137187] ? __run_timers+0x7da/0xc70 [ 295.141336] 0*512kB [ 295.144019] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.147972] 0*1024kB [ 295.150292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.155723] 0*2048kB [ 295.158155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.162369] 0*4096kB [ 295.164779] __run_timers+0x7e5/0xc70 [ 295.168993] = 13920kB [ 295.171407] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 295.175190] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 295.177594] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.182939] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 295.191767] ? graph_lock+0x170/0x170 [ 295.196765] 414 total pagecache pages [ 295.205332] ? enqueue_hrtimer+0x1a5/0x560 [ 295.209130] 0 pages in swap cache [ 295.212922] ? lock_release+0x970/0x970 [ 295.217129] Swap cache stats: add 0, delete 0, find 0/0 [ 295.217138] Free swap = 0kB [ 295.220585] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 295.224695] Total swap = 0kB [ 295.224705] 1965979 pages RAM [ 295.230070] ? find_held_lock+0x36/0x1c0 [ 295.233068] 0 pages HighMem/MovableOnly [ 295.233078] 342744 pages reserved [ 295.238284] ? graph_lock+0x170/0x170 [ 295.241284] 0 pages cma reserved [ 295.244388] ? pvclock_read_flags+0x160/0x160 [ 295.248500] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 295.252417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.252434] ? check_preemption_disabled+0x48/0x200 [ 295.252458] ? __lock_is_held+0xb5/0x140 [ 295.255966] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 295.259712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.263059] syz-fuzzer cpuset= [ 295.267561] ? check_preemption_disabled+0x48/0x200 [ 295.274031] / [ 295.279567] run_timer_softirq+0x52/0xb0 [ 295.284602] mems_allowed=0 [ 295.288677] ? rcu_read_lock_sched_held+0x108/0x120 [ 295.326348] __do_softirq+0x30b/0xad8 [ 295.330189] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 295.335298] ? pvclock_read_flags+0x160/0x160 [ 295.339793] ? lapic_next_event+0x5a/0x90 [ 295.343946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.349528] ? check_preemption_disabled+0x48/0x200 [ 295.354547] ? check_preemption_disabled+0x48/0x200 [ 295.359574] ? kvm_clock_read+0x18/0x30 [ 295.363560] ? kvm_sched_clock_read+0x9/0x20 [ 295.367974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.373512] ? check_preemption_disabled+0x48/0x200 [ 295.378542] irq_exit+0x17f/0x1c0 [ 295.382017] smp_apic_timer_interrupt+0x1cb/0x760 [ 295.386865] ? smp_reschedule_interrupt+0x109/0x650 [ 295.391885] ? smp_call_function_single_interrupt+0x650/0x650 [ 295.397773] ? interrupt_entry+0xb5/0xf0 [ 295.401836] ? trace_hardirqs_off_caller+0xbb/0x300 [ 295.406853] ? trace_hardirqs_off_caller+0xbb/0x300 [ 295.411875] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.416728] ? trace_hardirqs_off+0x300/0x300 [ 295.421221] ? trace_hardirqs_off+0x300/0x300 [ 295.425838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.431381] ? check_preemption_disabled+0x48/0x200 [ 295.436398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.441950] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.446800] apic_timer_interrupt+0xf/0x20 [ 295.451029] [ 295.453270] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 295.458205] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 295.477103] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 295.484813] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 295.492080] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 295.499360] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 295.506639] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 295.513912] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 295.521223] skb_clone+0x1bb/0x500 [ 295.524769] ? finish_task_switch+0x2f5/0x900 [ 295.529267] ? skb_split+0x11e0/0x11e0 [ 295.533157] ? preempt_notifier_register+0x200/0x200 [ 295.538261] ? __switch_to_asm+0x34/0x70 [ 295.542322] ? __switch_to_asm+0x34/0x70 [ 295.546383] ? __switch_to_asm+0x40/0x70 [ 295.550441] ? __switch_to_asm+0x34/0x70 [ 295.554500] ? __switch_to_asm+0x40/0x70 [ 295.558562] ? __switch_to_asm+0x34/0x70 [ 295.562624] ? __switch_to_asm+0x40/0x70 [ 295.566686] ? __switch_to_asm+0x34/0x70 [ 295.570749] ? __switch_to_asm+0x34/0x70 [ 295.574807] ? __switch_to_asm+0x40/0x70 [ 295.578891] ? __switch_to_asm+0x34/0x70 [ 295.582966] bpf_clone_redirect+0xb9/0x490 [ 295.587226] ? __schedule+0x874/0x1ed0 [ 295.591149] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 295.596171] ? __sched_text_start+0x8/0x8 [ 295.600322] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 295.605093] ? find_held_lock+0x36/0x1c0 [ 295.609178] ? lock_acquire+0x1ed/0x520 [ 295.613167] ? bpf_test_run+0x32e/0x5a0 [ 295.617144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.622706] ? check_preemption_disabled+0x48/0x200 [ 295.627736] ? kasan_check_read+0x11/0x20 [ 295.631934] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.637228] ? rcu_bh_qs+0xc0/0xc0 [ 295.640774] ? preempt_schedule+0x4d/0x60 [ 295.644928] ? ___preempt_schedule+0x16/0x18 [ 295.649352] ? bpf_test_run+0x1c0/0x5a0 [ 295.653338] ? netlink_diag_dump+0x2a0/0x2a0 [ 295.657752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.663309] ? bpf_test_init.isra.9+0x70/0x100 [ 295.667903] ? bpf_prog_test_run_skb+0x634/0xb40 [ 295.672682] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 295.677526] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 295.683076] ? fput+0x130/0x1a0 [ 295.686356] ? __bpf_prog_get+0x9b/0x290 [ 295.690419] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 295.695259] ? bpf_prog_test_run+0x130/0x1a0 [ 295.699671] ? __x64_sys_bpf+0x3d8/0x510 [ 295.703731] ? bpf_prog_get+0x20/0x20 [ 295.707579] ? ksys_ioctl+0x81/0xd0 [ 295.711232] ? do_syscall_64+0x1b9/0x820 [ 295.715295] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 295.720672] ? syscall_return_slowpath+0x5e0/0x5e0 [ 295.725602] ? trace_hardirqs_off+0x300/0x300 [ 295.730120] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 295.735140] ? recalc_sigpending_tsk+0x180/0x180 [ 295.739903] ? kasan_check_write+0x14/0x20 [ 295.744271] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.749127] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 295.754510] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 295.754580] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 295.761445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.761451] Call Trace: [ 295.761458] [ 295.761485] dump_stack+0x1c4/0x2b4 [ 295.761501] ? dump_stack_print_info.cold.2+0x52/0x52 [ 295.761539] warn_alloc.cold.118+0xb7/0x1bd [ 295.768064] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 295.777360] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.779929] syz-executor7 cpuset= [ 295.782076] ? lock_downgrade+0x900/0x900 [ 295.785681] syz7 [ 295.790869] ? trace_hardirqs_off+0xb8/0x300 [ 295.795185] mems_allowed=0 [ 295.805670] ? trace_hardirqs_off+0xb8/0x300 [ 295.832214] __alloc_pages_slowpath+0x2667/0x2d80 [ 295.837094] ? warn_alloc+0x120/0x120 [ 295.840902] ? warn_alloc+0x120/0x120 [ 295.844707] ? print_usage_bug+0xc0/0xc0 [ 295.848774] ? warn_alloc+0x120/0x120 [ 295.852594] ? print_usage_bug+0xc0/0xc0 [ 295.856670] ? __lock_acquire+0x7ec/0x4ec0 [ 295.860923] ? __lock_acquire+0x7ec/0x4ec0 [ 295.865167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.870705] ? should_fail+0x22d/0xd01 [ 295.874601] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.879716] ? __lock_acquire+0x7ec/0x4ec0 [ 295.883975] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.889079] ? __lock_acquire+0x7ec/0x4ec0 [ 295.893313] ? should_fail+0x22d/0xd01 [ 295.897299] ? mark_held_locks+0x130/0x130 [ 295.901540] ? mark_held_locks+0x130/0x130 [ 295.905777] ? graph_lock+0x170/0x170 [ 295.909581] ? graph_lock+0x170/0x170 [ 295.913392] ? graph_lock+0x170/0x170 [ 295.917196] ? print_usage_bug+0xc0/0xc0 [ 295.921256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.927295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.932853] ? check_preemption_disabled+0x48/0x200 [ 295.937886] ? check_preemption_disabled+0x48/0x200 [ 295.942922] ? __lock_is_held+0xb5/0x140 [ 295.946993] __alloc_pages_nodemask+0xa80/0xde0 [ 295.951667] ? graph_lock+0x170/0x170 [ 295.955478] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 295.960496] ? graph_lock+0x170/0x170 [ 295.964310] ? find_held_lock+0x36/0x1c0 [ 295.968384] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.973059] ? lock_downgrade+0x900/0x900 [ 295.977214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.982758] cache_grow_begin+0x91/0x8c0 [ 295.986823] ? do_raw_spin_unlock+0xa7/0x2f0 [ 295.991242] fallback_alloc+0x203/0x2e0 [ 295.995226] ____cache_alloc_node+0x1c7/0x1e0 [ 295.999733] kmem_cache_alloc_node+0xe3/0x730 [ 296.004236] ? ipv6_get_ifaddr+0x42e/0x620 [ 296.008485] __alloc_skb+0x119/0x770 [ 296.012201] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.017487] ? skb_scrub_packet+0x490/0x490 [ 296.021810] ? lock_downgrade+0x900/0x900 [ 296.026436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.031979] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.037453] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.042906] ? addrconf_rs_timer+0x6f0/0x6f0 [ 296.047534] ndisc_alloc_skb+0x144/0x340 [ 296.051623] ndisc_send_rs+0x331/0x6e0 [ 296.055571] addrconf_rs_timer+0x3c0/0x6f0 [ 296.059841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.064117] call_timer_fn+0x272/0x920 [ 296.068007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.072244] ? process_timeout+0x40/0x40 [ 296.076311] ? find_held_lock+0x36/0x1c0 [ 296.080380] ? mark_held_locks+0xc7/0x130 [ 296.084541] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.089037] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.093534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.097771] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 296.102355] ? trace_hardirqs_on+0xbd/0x310 [ 296.106680] ? kasan_check_read+0x11/0x20 [ 296.110830] ? __run_timers+0x7da/0xc70 [ 296.114810] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.120271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.125048] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.129284] __run_timers+0x7e5/0xc70 [ 296.133111] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 296.138479] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.143513] ? graph_lock+0x170/0x170 [ 296.147316] ? print_usage_bug+0xc0/0xc0 [ 296.151387] ? lock_release+0x970/0x970 [ 296.155372] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.160570] ? find_held_lock+0x36/0x1c0 [ 296.164637] ? graph_lock+0x170/0x170 [ 296.168445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.174015] ? check_preemption_disabled+0x48/0x200 [ 296.179046] ? __lock_is_held+0xb5/0x140 [ 296.183107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.188673] ? check_preemption_disabled+0x48/0x200 [ 296.193699] run_timer_softirq+0x52/0xb0 [ 296.197773] ? rcu_read_lock_sched_held+0x108/0x120 [ 296.202794] __do_softirq+0x30b/0xad8 [ 296.206634] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 296.211753] ? pvclock_read_flags+0x160/0x160 [ 296.216252] ? lapic_next_event+0x5a/0x90 [ 296.220426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.226338] ? check_preemption_disabled+0x48/0x200 [ 296.231355] ? check_preemption_disabled+0x48/0x200 [ 296.236381] ? kvm_clock_read+0x18/0x30 [ 296.240360] ? kvm_sched_clock_read+0x9/0x20 [ 296.244772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.250310] ? check_preemption_disabled+0x48/0x200 [ 296.255353] irq_exit+0x17f/0x1c0 [ 296.258824] smp_apic_timer_interrupt+0x1cb/0x760 [ 296.263682] ? smp_reschedule_interrupt+0x109/0x650 [ 296.268703] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.274604] ? interrupt_entry+0xb5/0xf0 [ 296.278680] ? trace_hardirqs_off_caller+0xbb/0x300 [ 296.283698] ? trace_hardirqs_off_caller+0xbb/0x300 [ 296.288718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.293563] ? trace_hardirqs_off+0x300/0x300 [ 296.298056] ? trace_hardirqs_off+0x300/0x300 [ 296.302555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.308096] ? check_preemption_disabled+0x48/0x200 [ 296.313144] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.318010] apic_timer_interrupt+0xf/0x20 [ 296.322242] [ 296.324949] RIP: 0010:console_unlock+0x1017/0x11a0 [ 296.329883] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 296.348785] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 296.356507] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 296.363777] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 296.371043] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 296.378309] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 296.385579] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 296.392856] ? netconsole_netdev_event+0x280/0x280 [ 296.397792] ? console_unlock+0x100e/0x11a0 [ 296.402129] ? devkmsg_read+0xbb0/0xbb0 [ 296.406462] ? vprintk_emit+0x7f7/0x930 [ 296.410442] ? lock_release+0x970/0x970 [ 296.414435] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.419904] ? vprintk_default+0x28/0x30 [ 296.424439] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.429891] ? kasan_check_write+0x14/0x20 [ 296.434132] ? do_raw_spin_lock+0xc1/0x200 [ 296.438373] vprintk_emit+0x33d/0x930 [ 296.442196] ? wake_up_klogd+0x180/0x180 [ 296.446328] ? find_held_lock+0x36/0x1c0 [ 296.450413] ? mark_held_locks+0xc7/0x130 [ 296.454567] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.459065] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.463570] vprintk_default+0x28/0x30 [ 296.467459] vprintk_func+0x7e/0x181 [ 296.471190] printk+0xa7/0xcf [ 296.474300] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 296.479057] ? _raw_spin_unlock_irq+0x60/0x80 [ 296.483567] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 296.488871] dump_header+0x7cc/0xf72 [ 296.492631] ? pagefault_out_of_memory+0x197/0x197 [ 296.497569] ? __lock_acquire+0x7ec/0x4ec0 [ 296.501808] ? print_usage_bug+0xc0/0xc0 [ 296.505886] ? graph_lock+0x170/0x170 [ 296.509685] ? graph_lock+0x170/0x170 [ 296.513489] ? print_usage_bug+0xc0/0xc0 [ 296.517576] ? print_usage_bug+0xc0/0xc0 [ 296.521657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.527661] ? find_held_lock+0x36/0x1c0 [ 296.531733] ? mark_held_locks+0xc7/0x130 [ 296.535888] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 296.540992] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 296.546099] ? lockdep_hardirqs_on+0x421/0x5c0 [ 296.550686] ? trace_hardirqs_on+0xbd/0x310 [ 296.555009] ? kasan_check_read+0x11/0x20 [ 296.559163] ? ___ratelimit+0x36f/0x655 [ 296.563140] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.568591] ? trace_hardirqs_on+0x310/0x310 [ 296.573004] ? lock_downgrade+0x900/0x900 [ 296.577162] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 296.582269] ? ___ratelimit+0xaa/0x655 [ 296.586160] ? idr_get_free+0xec0/0xec0 [ 296.590140] ? kasan_check_write+0x14/0x20 [ 296.594377] ? do_raw_spin_lock+0xc1/0x200 [ 296.598645] oom_kill_process.cold.27+0x10/0x903 [ 296.603434] ? graph_lock+0x170/0x170 [ 296.607250] ? _raw_spin_unlock+0x2c/0x50 [ 296.611398] ? oom_badness+0xe6/0xaa0 [ 296.615225] ? oom_evaluate_task+0x540/0x540 [ 296.619642] ? find_held_lock+0x36/0x1c0 [ 296.624254] ? out_of_memory+0x974/0x14c0 [ 296.628424] ? lock_downgrade+0x900/0x900 [ 296.632587] ? check_preemption_disabled+0x48/0x200 [ 296.637628] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 296.643429] ? kasan_check_read+0x11/0x20 [ 296.647592] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.652892] ? rcu_bh_qs+0xc0/0xc0 [ 296.656459] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.662006] ? oom_evaluate_task+0x302/0x540 [ 296.666427] out_of_memory+0xa86/0x14c0 [ 296.670418] ? oom_killer_disable+0x3a0/0x3a0 [ 296.674927] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 296.679862] ? __mutex_add_waiter+0x2a0/0x2a0 [ 296.684385] __alloc_pages_slowpath+0x2318/0x2d80 [ 296.689262] ? warn_alloc+0x120/0x120 [ 296.693063] ? __radix_tree_lookup+0x4c0/0x4c0 [ 296.697672] ? find_get_entry+0x2f2/0xc40 [ 296.701831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.707373] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 296.712391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.717932] ? should_fail+0x22d/0xd01 [ 296.721825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.727374] ? __lock_is_held+0xb5/0x140 [ 296.731465] ? __lock_is_held+0xb5/0x140 [ 296.735534] ? find_held_lock+0x36/0x1c0 [ 296.739604] ? ___might_sleep+0x1ed/0x300 [ 296.743759] ? lock_release+0x970/0x970 [ 296.747739] ? arch_local_save_flags+0x40/0x40 [ 296.752346] ? __might_sleep+0x95/0x190 [ 296.756341] __alloc_pages_nodemask+0xa80/0xde0 [ 296.761018] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 296.766041] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 296.771846] ? kasan_check_read+0x11/0x20 [ 296.776001] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.781293] ? graph_lock+0x170/0x170 [ 296.785121] ? print_usage_bug+0xc0/0xc0 [ 296.789199] ? graph_lock+0x170/0x170 [ 296.793011] ? graph_lock+0x170/0x170 [ 296.796811] ? __do_page_cache_readahead+0x7ce/0x980 [ 296.801938] ? find_held_lock+0x36/0x1c0 [ 296.806020] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 296.811562] alloc_pages_current+0x10c/0x210 [ 296.815972] ? lock_downgrade+0x900/0x900 [ 296.820124] __page_cache_alloc+0x38f/0x5b0 [ 296.824942] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 296.830742] ? kasan_check_read+0x11/0x20 [ 296.834894] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.840179] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 296.844866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.850414] ? check_preemption_disabled+0x48/0x200 [ 296.855445] filemap_fault+0x1594/0x25f0 [ 296.859521] ? __lock_page_or_retry+0xa00/0xa00 [ 296.864196] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 296.870000] ? kasan_check_read+0x11/0x20 [ 296.874171] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.879464] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 296.884590] ? rcu_bh_qs+0xc0/0xc0 [ 296.888142] ? trace_hardirqs_on+0xbd/0x310 [ 296.892467] ? kasan_check_read+0x11/0x20 [ 296.896650] ? __free_object+0x173/0x340 [ 296.900733] ? filemap_map_pages+0xdea/0x1980 [ 296.905266] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 296.910388] ? __free_object+0x173/0x340 [ 296.914459] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 296.919739] ? debug_object_free+0x325/0x690 [ 296.924603] ? find_get_pages_range_tag+0x1320/0x1320 [ 296.929807] ? graph_lock+0x170/0x170 [ 296.933629] ? kasan_check_read+0x11/0x20 [ 296.937786] ? debug_object_destroy+0x2b0/0x2b0 [ 296.942470] ? lock_acquire+0x1ed/0x520 [ 296.946471] ? ext4_filemap_fault+0x7a/0xad [ 296.950808] ? lock_release+0x970/0x970 [ 296.954820] ? arch_local_save_flags+0x40/0x40 [ 296.959416] ? futex_wait_setup+0x3e0/0x3e0 [ 296.963755] ? down_read+0xb0/0x1d0 [ 296.967382] ? ext4_filemap_fault+0x7a/0xad [ 296.971712] ? __down_interruptible+0x700/0x700 [ 296.976415] ext4_filemap_fault+0x82/0xad [ 296.980585] __do_fault+0x100/0x6b0 [ 296.984246] ? print_bad_pte+0x6c0/0x6c0 [ 296.988310] ? do_futex+0x249/0x26d0 [ 296.992029] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.997675] ? kasan_check_read+0x11/0x20 [ 297.001836] ? pmd_val+0x88/0x100 [ 297.005292] ? add_mm_counter_fast+0xd0/0xd0 [ 297.009706] ? pmd_val+0x88/0x100 [ 297.013168] ? add_mm_counter_fast+0xd0/0xd0 [ 297.017608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.023659] __handle_mm_fault+0x3709/0x53e0 [ 297.028088] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 297.032938] ? graph_lock+0x170/0x170 [ 297.036744] ? print_usage_bug+0xc0/0xc0 [ 297.040804] ? lockdep_hardirqs_on+0x421/0x5c0 [ 297.045398] ? graph_lock+0x170/0x170 [ 297.049215] ? graph_lock+0x170/0x170 [ 297.053042] ? handle_mm_fault+0x42a/0xc70 [ 297.057284] ? lock_downgrade+0x900/0x900 [ 297.061442] ? check_preemption_disabled+0x48/0x200 [ 297.066469] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 297.072447] ? kasan_check_read+0x11/0x20 [ 297.076603] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.081900] ? rcu_bh_qs+0xc0/0xc0 [ 297.085444] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.090901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.096449] ? check_preemption_disabled+0x48/0x200 [ 297.101482] handle_mm_fault+0x54f/0xc70 [ 297.106015] ? __handle_mm_fault+0x53e0/0x53e0 [ 297.110608] ? find_vma+0x34/0x190 [ 297.114168] __do_page_fault+0x67d/0xed0 [ 297.118242] ? mm_fault_error+0x380/0x380 [ 297.122392] ? trace_hardirqs_off+0xb8/0x300 [ 297.127295] ? trace_hardirqs_on+0x310/0x310 [ 297.131715] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 297.137093] ? trace_hardirqs_on+0x310/0x310 [ 297.141518] do_page_fault+0xf2/0x7e0 [ 297.145325] ? vmalloc_sync_all+0x30/0x30 [ 297.149482] ? error_entry+0x70/0xd0 [ 297.153200] ? trace_hardirqs_off_caller+0xbb/0x300 [ 297.158220] ? trace_hardirqs_on_caller+0xc0/0x300 [ 297.163163] ? syscall_return_slowpath+0x5e0/0x5e0 [ 297.168096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.172945] ? trace_hardirqs_off+0x300/0x300 [ 297.177444] ? trace_hardirqs_off_caller+0x300/0x300 [ 297.182569] ? prepare_exit_to_usermode+0x291/0x3b0 [ 297.187592] ? page_fault+0x8/0x30 [ 297.191150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.195999] ? page_fault+0x8/0x30 [ 297.199569] page_fault+0x1e/0x30 [ 297.203049] RIP: 0033:0x45ddf3 [ 297.206246] Code: Bad RIP value. [ 297.209611] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 297.214985] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 297.222248] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 297.229975] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 297.237243] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 297.244544] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 297.251858] warn_alloc_show_mem: 1 callbacks suppressed [ 297.251870] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 297.251873] Mem-Info: [ 297.251902] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 297.251902] active_file:16 inactive_file:19 isolated_file:0 [ 297.251902] unevictable:0 dirty:0 writeback:0 unstable:0 [ 297.251902] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 297.251902] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 297.251902] free:13708 free_pcp:124 free_cma:0 [ 297.257256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.257266] Call Trace: [ 297.264476] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 297.266894] [ 297.299778] Node 0 [ 297.309142] dump_stack+0x1c4/0x2b4 [ 297.311739] 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 [ 297.339401] ? dump_stack_print_info.cold.2+0x52/0x52 [ 297.341559] lowmem_reserve[]: [ 297.343806] warn_alloc.cold.118+0xb7/0x1bd [ 297.347401] 0 [ 297.372920] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.378088] 2817 [ 297.381207] ? lock_downgrade+0x900/0x900 [ 297.385509] 6321 [ 297.387315] ? trace_hardirqs_off+0xb8/0x300 [ 297.392131] 6321 [ 297.394197] ? trace_hardirqs_off+0xb8/0x300 [ 297.398328] Node 0 [ 297.400403] __alloc_pages_slowpath+0x2667/0x2d80 [ 297.404831] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 297.406895] ? warn_alloc+0x120/0x120 [ 297.411253] lowmem_reserve[]: [ 297.413489] ? warn_alloc+0x120/0x120 [ 297.418308] 0 [ 297.445320] ? print_usage_bug+0xc0/0xc0 [ 297.449103] 0 [ 297.452207] ? warn_alloc+0x120/0x120 [ 297.455984] 3503 [ 297.457789] ? print_usage_bug+0xc0/0xc0 [ 297.461827] 3503 [ 297.463637] ? __lock_acquire+0x7ec/0x4ec0 [ 297.469505] ? __lock_acquire+0x7ec/0x4ec0 [ 297.473544] Node 0 [ 297.475612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.479856] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 297.484063] ? should_fail+0x22d/0xd01 [ 297.486269] lowmem_reserve[]: 0 [ 297.491812] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.519994] 0 [ 297.523927] ? __lock_acquire+0x7ec/0x4ec0 [ 297.527181] 0 [ 297.532295] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.534083] 0 [ 297.538314] ? __lock_acquire+0x7ec/0x4ec0 [ 297.538349] ? should_fail+0x22d/0xd01 [ 297.540120] Node 0 [ 297.545227] ? mark_held_locks+0x130/0x130 [ 297.547001] DMA: [ 297.551247] ? mark_held_locks+0x130/0x130 [ 297.555114] 1*4kB [ 297.557347] ? graph_lock+0x170/0x170 [ 297.561561] (U) [ 297.563635] ? graph_lock+0x170/0x170 [ 297.567847] 0*8kB 0*16kB [ 297.570002] ? graph_lock+0x170/0x170 [ 297.573783] 1*32kB [ 297.575758] ? print_usage_bug+0xc0/0xc0 [ 297.579550] (U) [ 297.582301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.582318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.586105] 2*64kB [ 297.588344] ? check_preemption_disabled+0x48/0x200 [ 297.592382] (U) [ 297.594359] ? check_preemption_disabled+0x48/0x200 [ 297.599873] 1*128kB (U) [ 297.605447] ? __lock_is_held+0xb5/0x140 [ 297.607659] 1*256kB [ 297.612673] __alloc_pages_nodemask+0xa80/0xde0 [ 297.614634] (U) [ 297.619657] ? graph_lock+0x170/0x170 [ 297.622308] 0*512kB [ 297.626582] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 297.628888] 1*1024kB [ 297.633583] ? graph_lock+0x170/0x170 [ 297.635541] (U) [ 297.639361] ? find_held_lock+0x36/0x1c0 [ 297.641663] 1*2048kB [ 297.646679] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.649066] (M) [ 297.652866] ? lock_downgrade+0x900/0x900 [ 297.654823] 3*4096kB [ 297.658891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.661279] (M) [ 297.665952] cache_grow_begin+0x91/0x8c0 [ 297.667901] = 15908kB [ 297.667917] Node 0 [ 297.672064] ? do_raw_spin_unlock+0xa7/0x2f0 [ 297.674454] DMA32: [ 297.679997] fallback_alloc+0x203/0x2e0 [ 297.681947] 3*4kB [ 297.686019] ____cache_alloc_node+0x1c7/0x1e0 [ 297.688423] (UM) [ 297.690679] kmem_cache_alloc_node+0xe3/0x730 [ 297.695063] 2*8kB [ 297.697297] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.701248] (M) [ 297.703406] __alloc_skb+0x119/0x770 [ 297.707892] 3*16kB [ 297.709973] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.714447] (UM) [ 297.716627] ? skb_scrub_packet+0x490/0x490 [ 297.720838] 3*32kB [ 297.722844] ? lock_downgrade+0x900/0x900 [ 297.726762] (M) [ 297.729018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.734263] 3*64kB [ 297.736338] ? refcount_sub_and_test_checked+0x203/0x310 [ 297.740644] (UM) [ 297.742879] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 297.747009] 4*128kB [ 297.749001] ? addrconf_rs_timer+0x6f0/0x6f0 [ 297.754515] (UM) [ 297.756771] ndisc_alloc_skb+0x144/0x340 [ 297.762188] 3*256kB (M) [ 297.764288] ndisc_send_rs+0x331/0x6e0 [ 297.769729] 4*512kB [ 297.772054] addrconf_rs_timer+0x3c0/0x6f0 [ 297.776440] (M) [ 297.778505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.782541] 3*1024kB (UM) [ 297.785232] call_timer_fn+0x272/0x920 [ 297.789092] 1*2048kB [ 297.791442] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.795651] (M) [ 297.797640] ? process_timeout+0x40/0x40 [ 297.801855] 4*4096kB [ 297.804709] ? find_held_lock+0x36/0x1c0 [ 297.808587] (M) [ 297.811002] ? __run_timers+0x7da/0xc70 [ 297.815202] = 25196kB [ 297.815211] Node 0 [ 297.817198] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.821229] Normal: 852*4kB [ 297.823656] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.827696] (UMEH) [ 297.829674] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.833637] 324*8kB [ 297.836045] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 297.838259] (UMEH) [ 297.842756] ? trace_hardirqs_on+0xbd/0x310 [ 297.845755] 169*16kB [ 297.850250] ? kasan_check_read+0x11/0x20 [ 297.852474] (UMEH) [ 297.856712] ? __run_timers+0x7da/0xc70 [ 297.859013] 81*32kB [ 297.863592] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.865829] (UMEH) [ 297.870154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.872544] 31*64kB [ 297.876715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.878942] (UMH) [ 297.882923] __run_timers+0x7e5/0xc70 [ 297.885218] 3*128kB [ 297.890673] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 297.892891] (H) [ 297.897130] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 297.899434] 1*256kB [ 297.903667] ? graph_lock+0x170/0x170 [ 297.905802] (H) [ 297.909601] ? enqueue_hrtimer+0x1a5/0x560 [ 297.911910] 0*512kB 0*1024kB [ 297.917286] ? lock_release+0x970/0x970 [ 297.919244] 0*2048kB [ 297.924266] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 297.926574] 0*4096kB [ 297.930402] ? find_held_lock+0x36/0x1c0 [ 297.932346] = 13920kB [ 297.936590] ? graph_lock+0x170/0x170 [ 297.939680] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 297.943668] ? pvclock_read_flags+0x160/0x160 [ 297.946079] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 297.951259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.953672] 414 total pagecache pages [ 297.957735] ? check_preemption_disabled+0x48/0x200 [ 297.960141] 0 pages in swap cache [ 297.963940] ? __lock_is_held+0xb5/0x140 [ 297.972758] Swap cache stats: add 0, delete 0, find 0/0 [ 297.972768] Free swap = 0kB [ 297.977271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.985829] Total swap = 0kB [ 297.991383] ? check_preemption_disabled+0x48/0x200 [ 297.995160] 1965979 pages RAM [ 298.000180] run_timer_softirq+0x52/0xb0 [ 298.003609] 0 pages HighMem/MovableOnly [ 298.007673] ? rcu_read_lock_sched_held+0x108/0x120 [ 298.013014] 342744 pages reserved [ 298.016030] __do_softirq+0x30b/0xad8 [ 298.021584] 0 pages cma reserved [ 298.024767] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.029836] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.032884] ? pvclock_read_flags+0x160/0x160 [ 298.037043] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.040914] ? lapic_next_event+0x5a/0x90 [ 298.045929] syz-fuzzer cpuset=/ [ 298.049405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.053192] mems_allowed=0 [ 298.056595] ? check_preemption_disabled+0x48/0x200 [ 298.103716] ? check_preemption_disabled+0x48/0x200 [ 298.108749] ? kvm_clock_read+0x18/0x30 [ 298.112725] ? kvm_sched_clock_read+0x9/0x20 [ 298.117138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.122688] ? check_preemption_disabled+0x48/0x200 [ 298.127722] irq_exit+0x17f/0x1c0 [ 298.131184] smp_apic_timer_interrupt+0x1cb/0x760 [ 298.136029] ? smp_reschedule_interrupt+0x109/0x650 [ 298.141053] ? smp_call_function_single_interrupt+0x650/0x650 [ 298.146941] ? interrupt_entry+0xb5/0xf0 [ 298.151007] ? trace_hardirqs_off_caller+0xbb/0x300 [ 298.156021] ? trace_hardirqs_off_caller+0xbb/0x300 [ 298.161039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.165882] ? trace_hardirqs_off+0x300/0x300 [ 298.170385] ? trace_hardirqs_off+0x300/0x300 [ 298.174898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.180446] ? check_preemption_disabled+0x48/0x200 [ 298.185486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.191087] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.195959] apic_timer_interrupt+0xf/0x20 [ 298.200209] [ 298.202475] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 298.207406] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 298.226327] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 298.234072] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 298.241355] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 298.248623] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 298.255899] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 298.263176] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 298.270489] skb_clone+0x1bb/0x500 [ 298.274034] ? finish_task_switch+0x2f5/0x900 [ 298.278531] ? skb_split+0x11e0/0x11e0 [ 298.282436] ? preempt_notifier_register+0x200/0x200 [ 298.287544] ? __switch_to_asm+0x34/0x70 [ 298.291607] ? __switch_to_asm+0x34/0x70 [ 298.295666] ? __switch_to_asm+0x40/0x70 [ 298.299730] ? __switch_to_asm+0x34/0x70 [ 298.303790] ? __switch_to_asm+0x40/0x70 [ 298.307870] ? __switch_to_asm+0x34/0x70 [ 298.311954] ? __switch_to_asm+0x40/0x70 [ 298.316018] ? __switch_to_asm+0x34/0x70 [ 298.320092] ? __switch_to_asm+0x34/0x70 [ 298.324157] ? __switch_to_asm+0x40/0x70 [ 298.328217] ? __switch_to_asm+0x34/0x70 [ 298.332292] bpf_clone_redirect+0xb9/0x490 [ 298.336536] ? __schedule+0x874/0x1ed0 [ 298.340434] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 298.345457] ? __sched_text_start+0x8/0x8 [ 298.349610] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 298.354404] ? find_held_lock+0x36/0x1c0 [ 298.358498] ? lock_acquire+0x1ed/0x520 [ 298.362471] ? bpf_test_run+0x32e/0x5a0 [ 298.366449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.371992] ? check_preemption_disabled+0x48/0x200 [ 298.377018] ? kasan_check_read+0x11/0x20 [ 298.381181] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.386473] ? rcu_bh_qs+0xc0/0xc0 [ 298.390024] ? preempt_schedule+0x4d/0x60 [ 298.394173] ? ___preempt_schedule+0x16/0x18 [ 298.398610] ? bpf_test_run+0x1c0/0x5a0 [ 298.402596] ? netlink_diag_dump+0x2a0/0x2a0 [ 298.407008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.412559] ? bpf_test_init.isra.9+0x70/0x100 [ 298.417147] ? bpf_prog_test_run_skb+0x634/0xb40 [ 298.421917] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 298.426765] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 298.432315] ? fput+0x130/0x1a0 [ 298.435606] ? __bpf_prog_get+0x9b/0x290 [ 298.439682] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 298.444528] ? bpf_prog_test_run+0x130/0x1a0 [ 298.448952] ? __x64_sys_bpf+0x3d8/0x510 [ 298.453032] ? bpf_prog_get+0x20/0x20 [ 298.457104] ? ksys_ioctl+0x81/0xd0 [ 298.460761] ? do_syscall_64+0x1b9/0x820 [ 298.464823] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 298.470205] ? syscall_return_slowpath+0x5e0/0x5e0 [ 298.475167] ? trace_hardirqs_off+0x300/0x300 [ 298.479664] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 298.484682] ? recalc_sigpending_tsk+0x180/0x180 [ 298.489478] ? kasan_check_write+0x14/0x20 [ 298.493726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.498586] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 298.504016] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 298.504085] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.510953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.510958] Call Trace: [ 298.510966] [ 298.510982] dump_stack+0x1c4/0x2b4 [ 298.511000] ? dump_stack_print_info.cold.2+0x52/0x52 [ 298.517554] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.527308] warn_alloc.cold.118+0xb7/0x1bd [ 298.529869] syz-executor7 cpuset= [ 298.532019] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.535621] syz7 mems_allowed=0 [ 298.540815] ? lock_downgrade+0x900/0x900 [ 298.571277] ? trace_hardirqs_off+0xb8/0x300 [ 298.575703] ? trace_hardirqs_off+0xb8/0x300 [ 298.580135] __alloc_pages_slowpath+0x2667/0x2d80 [ 298.585015] ? warn_alloc+0x120/0x120 [ 298.588846] ? warn_alloc+0x120/0x120 [ 298.592665] ? print_usage_bug+0xc0/0xc0 [ 298.596727] ? warn_alloc+0x120/0x120 [ 298.600527] ? print_usage_bug+0xc0/0xc0 [ 298.604686] ? __lock_acquire+0x7ec/0x4ec0 [ 298.608922] ? __lock_acquire+0x7ec/0x4ec0 [ 298.613163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.618718] ? should_fail+0x22d/0xd01 [ 298.622625] ? __lock_acquire+0x7ec/0x4ec0 [ 298.627401] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.632512] ? __lock_acquire+0x7ec/0x4ec0 [ 298.636766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.641899] ? __lock_acquire+0x7ec/0x4ec0 [ 298.646147] ? should_fail+0x22d/0xd01 [ 298.650047] ? mark_held_locks+0x130/0x130 [ 298.654291] ? mark_held_locks+0x130/0x130 [ 298.658544] ? graph_lock+0x170/0x170 [ 298.662345] ? print_usage_bug+0xc0/0xc0 [ 298.666430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.671968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.677511] ? check_preemption_disabled+0x48/0x200 [ 298.682527] ? check_preemption_disabled+0x48/0x200 [ 298.687559] ? __lock_is_held+0xb5/0x140 [ 298.691647] __alloc_pages_nodemask+0xa80/0xde0 [ 298.696334] ? graph_lock+0x170/0x170 [ 298.700202] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 298.705225] ? graph_lock+0x170/0x170 [ 298.709062] ? find_held_lock+0x36/0x1c0 [ 298.713156] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.717832] ? lock_downgrade+0x900/0x900 [ 298.721994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.728005] cache_grow_begin+0x91/0x8c0 [ 298.732072] ? do_raw_spin_unlock+0xa7/0x2f0 [ 298.736495] fallback_alloc+0x203/0x2e0 [ 298.740479] ____cache_alloc_node+0x1c7/0x1e0 [ 298.744982] kmem_cache_alloc_node+0xe3/0x730 [ 298.749497] ? ipv6_get_ifaddr+0x42e/0x620 [ 298.753744] __alloc_skb+0x119/0x770 [ 298.757460] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.762742] ? skb_scrub_packet+0x490/0x490 [ 298.767065] ? lock_downgrade+0x900/0x900 [ 298.771225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.776772] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.782234] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.787689] ? addrconf_rs_timer+0x6f0/0x6f0 [ 298.792116] ndisc_alloc_skb+0x144/0x340 [ 298.796184] ndisc_send_rs+0x331/0x6e0 [ 298.800141] addrconf_rs_timer+0x3c0/0x6f0 [ 298.804398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.808695] call_timer_fn+0x272/0x920 [ 298.812583] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.816915] ? process_timeout+0x40/0x40 [ 298.820977] ? find_held_lock+0x36/0x1c0 [ 298.825572] ? mark_held_locks+0xc7/0x130 [ 298.829839] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.834341] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.838849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.843105] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 298.847696] ? trace_hardirqs_on+0xbd/0x310 [ 298.852025] ? kasan_check_read+0x11/0x20 [ 298.856177] ? __run_timers+0x7da/0xc70 [ 298.860158] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.865636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.869878] __run_timers+0x7e5/0xc70 [ 298.873701] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 298.879075] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 298.884094] ? graph_lock+0x170/0x170 [ 298.887905] ? print_usage_bug+0xc0/0xc0 [ 298.891969] ? lock_release+0x970/0x970 [ 298.895947] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.901144] ? find_held_lock+0x36/0x1c0 [ 298.905227] ? graph_lock+0x170/0x170 [ 298.909038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.914599] ? check_preemption_disabled+0x48/0x200 [ 298.919674] ? __lock_is_held+0xb5/0x140 [ 298.924250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.929792] ? check_preemption_disabled+0x48/0x200 [ 298.934823] run_timer_softirq+0x52/0xb0 [ 298.938888] ? rcu_read_lock_sched_held+0x108/0x120 [ 298.943913] __do_softirq+0x30b/0xad8 [ 298.947731] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.952842] ? pvclock_read_flags+0x160/0x160 [ 298.957343] ? lapic_next_event+0x5a/0x90 [ 298.961496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.967047] ? check_preemption_disabled+0x48/0x200 [ 298.972080] ? check_preemption_disabled+0x48/0x200 [ 298.977110] ? kvm_clock_read+0x18/0x30 [ 298.981089] ? kvm_sched_clock_read+0x9/0x20 [ 298.985507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.991048] ? check_preemption_disabled+0x48/0x200 [ 298.996348] irq_exit+0x17f/0x1c0 [ 298.999840] smp_apic_timer_interrupt+0x1cb/0x760 [ 299.004688] ? smp_reschedule_interrupt+0x109/0x650 [ 299.009710] ? smp_call_function_single_interrupt+0x650/0x650 [ 299.015600] ? interrupt_entry+0xb5/0xf0 [ 299.019697] ? trace_hardirqs_off_caller+0xbb/0x300 [ 299.025208] ? trace_hardirqs_off_caller+0xbb/0x300 [ 299.030228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.035075] ? trace_hardirqs_off+0x300/0x300 [ 299.039596] ? trace_hardirqs_off+0x300/0x300 [ 299.044112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.049659] ? check_preemption_disabled+0x48/0x200 [ 299.054689] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.059560] apic_timer_interrupt+0xf/0x20 [ 299.063791] [ 299.066042] RIP: 0010:console_unlock+0x1017/0x11a0 [ 299.070989] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 299.089891] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 299.097608] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 299.105434] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 299.112707] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 299.119976] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 299.127628] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 299.134917] ? netconsole_netdev_event+0x280/0x280 [ 299.139888] ? console_unlock+0x100e/0x11a0 [ 299.144322] ? devkmsg_read+0xbb0/0xbb0 [ 299.148301] ? vprintk_emit+0x7f7/0x930 [ 299.152293] ? lock_release+0x970/0x970 [ 299.156285] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.161760] ? vprintk_default+0x28/0x30 [ 299.165825] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.171299] ? kasan_check_write+0x14/0x20 [ 299.175541] ? do_raw_spin_lock+0xc1/0x200 [ 299.179790] vprintk_emit+0x33d/0x930 [ 299.183599] ? wake_up_klogd+0x180/0x180 [ 299.187691] ? find_held_lock+0x36/0x1c0 [ 299.191766] ? mark_held_locks+0xc7/0x130 [ 299.195920] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.200424] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.204929] vprintk_default+0x28/0x30 [ 299.208823] vprintk_func+0x7e/0x181 [ 299.212561] printk+0xa7/0xcf [ 299.215676] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 299.220457] ? _raw_spin_unlock_irq+0x60/0x80 [ 299.225496] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 299.230802] dump_header+0x7cc/0xf72 [ 299.234528] ? pagefault_out_of_memory+0x197/0x197 [ 299.239480] ? __lock_acquire+0x7ec/0x4ec0 [ 299.243727] ? print_usage_bug+0xc0/0xc0 [ 299.247798] ? graph_lock+0x170/0x170 [ 299.251597] ? graph_lock+0x170/0x170 [ 299.255423] ? print_usage_bug+0xc0/0xc0 [ 299.259511] ? print_usage_bug+0xc0/0xc0 [ 299.263592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.269172] ? find_held_lock+0x36/0x1c0 [ 299.273244] ? mark_held_locks+0xc7/0x130 [ 299.277416] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 299.282553] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 299.287671] ? lockdep_hardirqs_on+0x421/0x5c0 [ 299.292257] ? trace_hardirqs_on+0xbd/0x310 [ 299.296588] ? kasan_check_read+0x11/0x20 [ 299.300749] ? ___ratelimit+0x36f/0x655 [ 299.304739] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.310194] ? trace_hardirqs_on+0x310/0x310 [ 299.314605] ? lock_downgrade+0x900/0x900 [ 299.318780] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 299.324346] ? ___ratelimit+0xaa/0x655 [ 299.328242] ? idr_get_free+0xec0/0xec0 [ 299.332222] ? kasan_check_write+0x14/0x20 [ 299.336476] ? do_raw_spin_lock+0xc1/0x200 [ 299.340730] oom_kill_process.cold.27+0x10/0x903 [ 299.345487] ? graph_lock+0x170/0x170 [ 299.349293] ? _raw_spin_unlock+0x2c/0x50 [ 299.353450] ? oom_badness+0xe6/0xaa0 [ 299.357263] ? oom_evaluate_task+0x540/0x540 [ 299.361691] ? find_held_lock+0x36/0x1c0 [ 299.365775] ? out_of_memory+0x974/0x14c0 [ 299.369926] ? lock_downgrade+0x900/0x900 [ 299.374092] ? check_preemption_disabled+0x48/0x200 [ 299.379133] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.384943] ? kasan_check_read+0x11/0x20 [ 299.389093] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.394374] ? rcu_bh_qs+0xc0/0xc0 [ 299.397924] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.403463] ? oom_evaluate_task+0x302/0x540 [ 299.407887] out_of_memory+0xa86/0x14c0 [ 299.411875] ? oom_killer_disable+0x3a0/0x3a0 [ 299.416414] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 299.421367] ? __mutex_add_waiter+0x2a0/0x2a0 [ 299.426356] __alloc_pages_slowpath+0x2318/0x2d80 [ 299.431233] ? warn_alloc+0x120/0x120 [ 299.435035] ? __radix_tree_lookup+0x4c0/0x4c0 [ 299.439639] ? find_get_entry+0x2f2/0xc40 [ 299.443812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.449378] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 299.454336] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.459881] ? should_fail+0x22d/0xd01 [ 299.463777] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.468882] ? __lock_is_held+0xb5/0x140 [ 299.472974] ? __lock_is_held+0xb5/0x140 [ 299.477057] ? find_held_lock+0x36/0x1c0 [ 299.481134] ? ___might_sleep+0x1ed/0x300 [ 299.485281] ? lock_release+0x970/0x970 [ 299.489273] ? arch_local_save_flags+0x40/0x40 [ 299.493889] ? __might_sleep+0x95/0x190 [ 299.497874] __alloc_pages_nodemask+0xa80/0xde0 [ 299.502567] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 299.507593] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.513405] ? kasan_check_read+0x11/0x20 [ 299.517560] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.522844] ? graph_lock+0x170/0x170 [ 299.526941] ? print_usage_bug+0xc0/0xc0 [ 299.531012] ? graph_lock+0x170/0x170 [ 299.534810] ? graph_lock+0x170/0x170 [ 299.538612] ? __do_page_cache_readahead+0x7ce/0x980 [ 299.543743] ? find_held_lock+0x36/0x1c0 [ 299.547815] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 299.553360] alloc_pages_current+0x10c/0x210 [ 299.557782] ? lock_downgrade+0x900/0x900 [ 299.561946] __page_cache_alloc+0x38f/0x5b0 [ 299.566281] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.572081] ? kasan_check_read+0x11/0x20 [ 299.576249] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.581575] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 299.586246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.591788] ? check_preemption_disabled+0x48/0x200 [ 299.596821] filemap_fault+0x1594/0x25f0 [ 299.600902] ? __lock_page_or_retry+0xa00/0xa00 [ 299.605576] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.611392] ? kasan_check_read+0x11/0x20 [ 299.615566] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.620844] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 299.626436] ? rcu_bh_qs+0xc0/0xc0 [ 299.629983] ? trace_hardirqs_on+0xbd/0x310 [ 299.634318] ? kasan_check_read+0x11/0x20 [ 299.638497] ? __free_object+0x173/0x340 [ 299.642568] ? filemap_map_pages+0xdea/0x1980 [ 299.647083] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 299.652196] ? __free_object+0x173/0x340 [ 299.656275] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 299.661566] ? debug_object_free+0x325/0x690 [ 299.665980] ? find_get_pages_range_tag+0x1320/0x1320 [ 299.671179] ? graph_lock+0x170/0x170 [ 299.674993] ? kasan_check_read+0x11/0x20 [ 299.679148] ? debug_object_destroy+0x2b0/0x2b0 [ 299.683836] ? lock_acquire+0x1ed/0x520 [ 299.687811] ? ext4_filemap_fault+0x7a/0xad [ 299.692157] ? lock_release+0x970/0x970 [ 299.696142] ? arch_local_save_flags+0x40/0x40 [ 299.700729] ? futex_wait_setup+0x3e0/0x3e0 [ 299.705063] ? down_read+0xb0/0x1d0 [ 299.708694] ? ext4_filemap_fault+0x7a/0xad [ 299.713016] ? __down_interruptible+0x700/0x700 [ 299.717706] ext4_filemap_fault+0x82/0xad [ 299.721856] __do_fault+0x100/0x6b0 [ 299.725700] ? print_bad_pte+0x6c0/0x6c0 [ 299.729769] ? do_futex+0x249/0x26d0 [ 299.733481] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.738942] ? kasan_check_read+0x11/0x20 [ 299.743106] ? pmd_val+0x88/0x100 [ 299.746576] ? add_mm_counter_fast+0xd0/0xd0 [ 299.750986] ? pmd_val+0x88/0x100 [ 299.754445] ? add_mm_counter_fast+0xd0/0xd0 [ 299.758862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.764414] __handle_mm_fault+0x3709/0x53e0 [ 299.768836] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 299.773693] ? graph_lock+0x170/0x170 [ 299.777496] ? print_usage_bug+0xc0/0xc0 [ 299.781559] ? lockdep_hardirqs_on+0x421/0x5c0 [ 299.786145] ? graph_lock+0x170/0x170 [ 299.789948] ? graph_lock+0x170/0x170 [ 299.793786] ? handle_mm_fault+0x42a/0xc70 [ 299.798026] ? lock_downgrade+0x900/0x900 [ 299.802179] ? check_preemption_disabled+0x48/0x200 [ 299.807204] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.813004] ? kasan_check_read+0x11/0x20 [ 299.817156] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.822440] ? rcu_bh_qs+0xc0/0xc0 [ 299.826425] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.831892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.837449] ? check_preemption_disabled+0x48/0x200 [ 299.842481] handle_mm_fault+0x54f/0xc70 [ 299.846569] ? __handle_mm_fault+0x53e0/0x53e0 [ 299.851159] ? find_vma+0x34/0x190 [ 299.854720] __do_page_fault+0x67d/0xed0 [ 299.858796] ? mm_fault_error+0x380/0x380 [ 299.862947] ? trace_hardirqs_off+0xb8/0x300 [ 299.867357] ? trace_hardirqs_on+0x310/0x310 [ 299.871774] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 299.877141] ? trace_hardirqs_on+0x310/0x310 [ 299.881567] do_page_fault+0xf2/0x7e0 [ 299.885371] ? vmalloc_sync_all+0x30/0x30 [ 299.889545] ? error_entry+0x70/0xd0 [ 299.893277] ? trace_hardirqs_off_caller+0xbb/0x300 [ 299.898291] ? trace_hardirqs_on_caller+0xc0/0x300 [ 299.903221] ? syscall_return_slowpath+0x5e0/0x5e0 [ 299.908153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.913003] ? trace_hardirqs_off+0x300/0x300 [ 299.917516] ? trace_hardirqs_off_caller+0x300/0x300 [ 299.922635] ? prepare_exit_to_usermode+0x291/0x3b0 [ 299.928168] ? page_fault+0x8/0x30 [ 299.931716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.936580] ? page_fault+0x8/0x30 [ 299.940129] page_fault+0x1e/0x30 [ 299.943585] RIP: 0033:0x45ddf3 [ 299.946791] Code: Bad RIP value. [ 299.950157] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 299.955529] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 299.962804] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 299.970079] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 299.977362] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 299.984645] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 299.991973] warn_alloc_show_mem: 1 callbacks suppressed [ 299.991986] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 299.991988] Mem-Info: [ 299.992017] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 299.992017] active_file:16 inactive_file:19 isolated_file:0 [ 299.992017] unevictable:0 dirty:0 writeback:0 unstable:0 [ 299.992017] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 299.992017] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 299.992017] free:13708 free_pcp:124 free_cma:0 [ 299.997395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.997405] Call Trace: [ 300.004727] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 300.007133] [ 300.040501] Node 0 [ 300.049885] dump_stack+0x1c4/0x2b4 [ 300.052488] 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 [ 300.080158] ? dump_stack_print_info.cold.2+0x52/0x52 [ 300.082293] lowmem_reserve[]: [ 300.084546] warn_alloc.cold.118+0xb7/0x1bd [ 300.088136] 0 [ 300.113692] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.118863] 2817 6321 [ 300.121989] ? lock_downgrade+0x900/0x900 [ 300.126766] 6321 [ 300.128590] ? trace_hardirqs_off+0xb8/0x300 [ 300.133399] Node 0 [ 300.135914] ? trace_hardirqs_off+0xb8/0x300 [ 300.140053] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 300.142101] __alloc_pages_slowpath+0x2667/0x2d80 [ 300.146480] lowmem_reserve[]: [ 300.148750] ? warn_alloc+0x120/0x120 [ 300.153109] 0 [ 300.180105] ? warn_alloc+0x120/0x120 [ 300.184941] 0 [ 300.188052] ? print_usage_bug+0xc0/0xc0 [ 300.191830] 3503 [ 300.193645] ? warn_alloc+0x120/0x120 [ 300.197426] 3503 [ 300.199230] ? print_usage_bug+0xc0/0xc0 [ 300.203269] Node 0 [ 300.205338] ? __lock_acquire+0x7ec/0x4ec0 [ 300.209140] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 300.211193] ? __lock_acquire+0x7ec/0x4ec0 [ 300.215226] lowmem_reserve[]: [ 300.217469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.221677] 0 [ 300.249889] ? should_fail+0x22d/0xd01 [ 300.254112] 0 0 [ 300.257244] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.262755] 0 [ 300.264610] ? __lock_acquire+0x7ec/0x4ec0 [ 300.268489] Node 0 [ 300.270480] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.275570] DMA: [ 300.277376] ? __lock_acquire+0x7ec/0x4ec0 [ 300.281586] 1*4kB [ 300.283834] ? should_fail+0x22d/0xd01 [ 300.288931] (U) [ 300.291009] ? mark_held_locks+0x130/0x130 [ 300.295226] 0*8kB [ 300.297399] ? mark_held_locks+0x130/0x130 [ 300.301260] 0*16kB [ 300.303259] ? graph_lock+0x170/0x170 [ 300.307471] 1*32kB [ 300.309621] ? graph_lock+0x170/0x170 [ 300.313838] (U) [ 300.316101] ? graph_lock+0x170/0x170 [ 300.319884] 2*64kB [ 300.322129] ? print_usage_bug+0xc0/0xc0 [ 300.326419] (U) 1*128kB [ 300.328416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.332197] (U) [ 300.334439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.338469] 1*256kB (U) [ 300.341155] ? check_preemption_disabled+0x48/0x200 [ 300.346680] 0*512kB [ 300.348689] ? check_preemption_disabled+0x48/0x200 [ 300.354200] 1*1024kB [ 300.356878] ? __lock_is_held+0xb5/0x140 [ 300.361860] (U) [ 300.364191] __alloc_pages_nodemask+0xa80/0xde0 [ 300.369178] 1*2048kB [ 300.371610] ? graph_lock+0x170/0x170 [ 300.375651] (M) 3*4096kB [ 300.377638] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 300.377654] ? graph_lock+0x170/0x170 [ 300.382318] (M) [ 300.384733] ? find_held_lock+0x36/0x1c0 [ 300.388501] = 15908kB [ 300.388510] Node 0 [ 300.391272] ? ____cache_alloc_node+0x1c7/0x1e0 [ 300.396260] DMA32: [ 300.400062] ? lock_downgrade+0x900/0x900 [ 300.402042] 3*4kB [ 300.406102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.408486] (UM) 2*8kB [ 300.410733] cache_grow_begin+0x91/0x8c0 [ 300.415382] (M) [ 300.417622] ? do_raw_spin_unlock+0xa7/0x2f0 [ 300.421751] 3*16kB [ 300.423905] fallback_alloc+0x203/0x2e0 [ 300.429423] (UM) [ 300.432011] ____cache_alloc_node+0x1c7/0x1e0 [ 300.436051] 3*32kB [ 300.438027] kmem_cache_alloc_node+0xe3/0x730 [ 300.442422] (M) [ 300.444663] ? ipv6_get_ifaddr+0x42e/0x620 [ 300.448610] 3*64kB (UM) [ 300.450692] __alloc_skb+0x119/0x770 [ 300.455178] 4*128kB [ 300.457423] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.461898] (UM) [ 300.463902] ? skb_scrub_packet+0x490/0x490 [ 300.468115] 3*256kB [ 300.470783] ? lock_downgrade+0x900/0x900 [ 300.474484] (M) [ 300.476812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.482066] 4*512kB [ 300.484132] ? refcount_sub_and_test_checked+0x203/0x310 [ 300.488434] (M) [ 300.490786] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 300.494914] 3*1024kB (UM) [ 300.496897] ? addrconf_rs_timer+0x6f0/0x6f0 [ 300.502417] 1*2048kB [ 300.504738] ndisc_alloc_skb+0x144/0x340 [ 300.510157] (M) [ 300.512135] ndisc_send_rs+0x331/0x6e0 [ 300.517564] 4*4096kB [ 300.520426] addrconf_rs_timer+0x3c0/0x6f0 [ 300.525299] (M) = 25196kB [ 300.527726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.531771] Node 0 [ 300.533763] call_timer_fn+0x272/0x920 [ 300.537623] Normal: [ 300.540029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.544245] 852*4kB [ 300.547015] ? process_timeout+0x40/0x40 [ 300.551224] (UMEH) [ 300.553452] ? find_held_lock+0x36/0x1c0 [ 300.553476] ? __run_timers+0x7da/0xc70 [ 300.557352] 324*8kB [ 300.559675] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.563887] (UMEH) [ 300.566213] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.570271] 169*16kB (UMEH) [ 300.572573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.576612] 81*32kB [ 300.580585] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 300.582887] (UMEH) [ 300.587385] ? trace_hardirqs_on+0xbd/0x310 [ 300.589600] 31*64kB [ 300.594106] ? kasan_check_read+0x11/0x20 [ 300.597110] (UMH) [ 300.601353] ? __run_timers+0x7da/0xc70 [ 300.603653] 3*128kB [ 300.608229] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.610469] (H) [ 300.614787] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.617082] 1*256kB (H) [ 300.621245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.623821] 0*512kB 0*1024kB [ 300.627811] __run_timers+0x7e5/0xc70 [ 300.630111] 0*2048kB [ 300.635567] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 300.637517] 0*4096kB [ 300.641760] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 300.644417] = 13920kB [ 300.648650] ? graph_lock+0x170/0x170 [ 300.651739] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 300.655544] ? enqueue_hrtimer+0x1a5/0x560 [ 300.657939] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 300.663294] ? lock_release+0x970/0x970 [ 300.665687] 414 total pagecache pages [ 300.670701] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 300.673114] 0 pages in swap cache [ 300.676902] ? find_held_lock+0x36/0x1c0 [ 300.685722] Swap cache stats: add 0, delete 0, find 0/0 [ 300.689951] ? graph_lock+0x170/0x170 [ 300.698504] Free swap = 0kB [ 300.702478] ? pvclock_read_flags+0x160/0x160 [ 300.706268] Total swap = 0kB [ 300.711477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.714902] 1965979 pages RAM [ 300.718971] ? check_preemption_disabled+0x48/0x200 [ 300.724760] 0 pages HighMem/MovableOnly [ 300.724770] 342744 pages reserved [ 300.728594] ? __lock_is_held+0xb5/0x140 [ 300.731597] 0 pages cma reserved [ 300.736094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.739178] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 300.744626] ? check_preemption_disabled+0x48/0x200 [ 300.747778] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 300.752735] run_timer_softirq+0x52/0xb0 [ 300.756684] syz-fuzzer cpuset= [ 300.760136] ? rcu_read_lock_sched_held+0x108/0x120 [ 300.764172] / [ 300.767540] __do_softirq+0x30b/0xad8 [ 300.773086] mems_allowed=0 [ 300.779605] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 300.820562] ? pvclock_read_flags+0x160/0x160 [ 300.825063] ? lapic_next_event+0x5a/0x90 [ 300.829220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.834761] ? check_preemption_disabled+0x48/0x200 [ 300.839796] ? check_preemption_disabled+0x48/0x200 [ 300.844824] ? kvm_clock_read+0x18/0x30 [ 300.848820] ? kvm_sched_clock_read+0x9/0x20 [ 300.853232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.858808] ? check_preemption_disabled+0x48/0x200 [ 300.863835] irq_exit+0x17f/0x1c0 [ 300.867309] smp_apic_timer_interrupt+0x1cb/0x760 [ 300.872188] ? smp_reschedule_interrupt+0x109/0x650 [ 300.877211] ? smp_call_function_single_interrupt+0x650/0x650 [ 300.883102] ? interrupt_entry+0xb5/0xf0 [ 300.887169] ? trace_hardirqs_off_caller+0xbb/0x300 [ 300.892186] ? trace_hardirqs_off_caller+0xbb/0x300 [ 300.897225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.902073] ? trace_hardirqs_off+0x300/0x300 [ 300.906570] ? trace_hardirqs_off+0x300/0x300 [ 300.911067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.916623] ? check_preemption_disabled+0x48/0x200 [ 300.921643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.927298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.932162] apic_timer_interrupt+0xf/0x20 [ 300.936391] [ 300.938632] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 300.943578] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 300.962491] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 300.970206] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 300.977476] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 300.984746] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 300.992016] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 300.999811] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 301.007141] skb_clone+0x1bb/0x500 [ 301.010702] ? finish_task_switch+0x2f5/0x900 [ 301.015229] ? skb_split+0x11e0/0x11e0 [ 301.019136] ? preempt_notifier_register+0x200/0x200 [ 301.024245] ? __switch_to_asm+0x34/0x70 [ 301.028310] ? __switch_to_asm+0x34/0x70 [ 301.032369] ? __switch_to_asm+0x40/0x70 [ 301.036442] ? __switch_to_asm+0x34/0x70 [ 301.040500] ? __switch_to_asm+0x40/0x70 [ 301.044569] ? __switch_to_asm+0x34/0x70 [ 301.048629] ? __switch_to_asm+0x40/0x70 [ 301.052687] ? __switch_to_asm+0x34/0x70 [ 301.056766] ? __switch_to_asm+0x34/0x70 [ 301.060827] ? __switch_to_asm+0x40/0x70 [ 301.064887] ? __switch_to_asm+0x34/0x70 [ 301.068966] bpf_clone_redirect+0xb9/0x490 [ 301.073209] ? __schedule+0x874/0x1ed0 [ 301.077104] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 301.082157] ? __sched_text_start+0x8/0x8 [ 301.086323] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.091104] ? find_held_lock+0x36/0x1c0 [ 301.095192] ? lock_acquire+0x1ed/0x520 [ 301.099170] ? bpf_test_run+0x32e/0x5a0 [ 301.103332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.108866] ? check_preemption_disabled+0x48/0x200 [ 301.113892] ? kasan_check_read+0x11/0x20 [ 301.118053] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.123373] ? rcu_bh_qs+0xc0/0xc0 [ 301.126917] ? preempt_schedule+0x4d/0x60 [ 301.131072] ? ___preempt_schedule+0x16/0x18 [ 301.135490] ? bpf_test_run+0x1c0/0x5a0 [ 301.139488] ? netlink_diag_dump+0x2a0/0x2a0 [ 301.143925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.149460] ? bpf_test_init.isra.9+0x70/0x100 [ 301.154054] ? bpf_prog_test_run_skb+0x634/0xb40 [ 301.158848] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 301.163694] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.169238] ? fput+0x130/0x1a0 [ 301.172521] ? __bpf_prog_get+0x9b/0x290 [ 301.176585] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 301.181441] ? bpf_prog_test_run+0x130/0x1a0 [ 301.185853] ? __x64_sys_bpf+0x3d8/0x510 [ 301.189920] ? bpf_prog_get+0x20/0x20 [ 301.193730] ? ksys_ioctl+0x81/0xd0 [ 301.197368] ? do_syscall_64+0x1b9/0x820 [ 301.201454] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 301.206822] ? syscall_return_slowpath+0x5e0/0x5e0 [ 301.211754] ? trace_hardirqs_off+0x300/0x300 [ 301.216251] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 301.221282] ? recalc_sigpending_tsk+0x180/0x180 [ 301.226050] ? kasan_check_write+0x14/0x20 [ 301.230312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.235162] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 301.240545] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 301.240617] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.247484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.247493] Call Trace: [ 301.254095] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.263324] [ 301.265917] syz-executor7 cpuset= [ 301.276393] dump_stack+0x1c4/0x2b4 [ 301.278546] syz7 [ 301.282008] ? dump_stack_print_info.cold.2+0x52/0x52 [ 301.285633] mems_allowed=0 [ 301.287615] warn_alloc.cold.118+0xb7/0x1bd [ 301.300028] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.304890] ? lock_downgrade+0x900/0x900 [ 301.309074] ? trace_hardirqs_off+0xb8/0x300 [ 301.313517] ? trace_hardirqs_off+0xb8/0x300 [ 301.317938] __alloc_pages_slowpath+0x2667/0x2d80 [ 301.322814] ? warn_alloc+0x120/0x120 [ 301.326806] ? graph_lock+0x170/0x170 [ 301.330634] ? warn_alloc+0x120/0x120 [ 301.334443] ? print_usage_bug+0xc0/0xc0 [ 301.338506] ? warn_alloc+0x120/0x120 [ 301.342352] ? print_usage_bug+0xc0/0xc0 [ 301.346425] ? __lock_acquire+0x7ec/0x4ec0 [ 301.350676] ? __lock_acquire+0x7ec/0x4ec0 [ 301.354934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.360478] ? should_fail+0x22d/0xd01 [ 301.364370] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.369473] ? __lock_acquire+0x7ec/0x4ec0 [ 301.373891] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.378993] ? __lock_acquire+0x7ec/0x4ec0 [ 301.383225] ? should_fail+0x22d/0xd01 [ 301.387124] ? mark_held_locks+0x130/0x130 [ 301.391368] ? mark_held_locks+0x130/0x130 [ 301.395608] ? graph_lock+0x170/0x170 [ 301.399423] ? graph_lock+0x170/0x170 [ 301.403227] ? graph_lock+0x170/0x170 [ 301.407041] ? print_usage_bug+0xc0/0xc0 [ 301.411104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.416663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.422211] ? check_preemption_disabled+0x48/0x200 [ 301.427733] ? check_preemption_disabled+0x48/0x200 [ 301.432760] ? __lock_is_held+0xb5/0x140 [ 301.436830] __alloc_pages_nodemask+0xa80/0xde0 [ 301.441500] ? graph_lock+0x170/0x170 [ 301.445329] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 301.450348] ? graph_lock+0x170/0x170 [ 301.454161] ? find_held_lock+0x36/0x1c0 [ 301.458238] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.462923] ? lock_downgrade+0x900/0x900 [ 301.467084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.472640] cache_grow_begin+0x91/0x8c0 [ 301.476705] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.481123] fallback_alloc+0x203/0x2e0 [ 301.485112] ____cache_alloc_node+0x1c7/0x1e0 [ 301.489615] kmem_cache_alloc_node+0xe3/0x730 [ 301.494137] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.498384] __alloc_skb+0x119/0x770 [ 301.502118] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.507429] ? skb_scrub_packet+0x490/0x490 [ 301.511756] ? lock_downgrade+0x900/0x900 [ 301.515913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.521455] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.527383] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.532846] ? addrconf_rs_timer+0x6f0/0x6f0 [ 301.537270] ndisc_alloc_skb+0x144/0x340 [ 301.541339] ndisc_send_rs+0x331/0x6e0 [ 301.545240] addrconf_rs_timer+0x3c0/0x6f0 [ 301.549486] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.553740] call_timer_fn+0x272/0x920 [ 301.557653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.561894] ? process_timeout+0x40/0x40 [ 301.565957] ? find_held_lock+0x36/0x1c0 [ 301.570028] ? mark_held_locks+0xc7/0x130 [ 301.574181] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.578678] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.583172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.587405] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 301.592009] ? trace_hardirqs_on+0xbd/0x310 [ 301.596347] ? kasan_check_read+0x11/0x20 [ 301.600496] ? __run_timers+0x7da/0xc70 [ 301.604489] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.609950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.614191] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.618432] __run_timers+0x7e5/0xc70 [ 301.622246] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 301.628079] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 301.633098] ? graph_lock+0x170/0x170 [ 301.636907] ? print_usage_bug+0xc0/0xc0 [ 301.640967] ? lock_release+0x970/0x970 [ 301.644945] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 301.650143] ? find_held_lock+0x36/0x1c0 [ 301.654208] ? graph_lock+0x170/0x170 [ 301.658026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.663579] ? check_preemption_disabled+0x48/0x200 [ 301.668631] ? __lock_is_held+0xb5/0x140 [ 301.672694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.678233] ? check_preemption_disabled+0x48/0x200 [ 301.683261] run_timer_softirq+0x52/0xb0 [ 301.687325] ? rcu_read_lock_sched_held+0x108/0x120 [ 301.692365] __do_softirq+0x30b/0xad8 [ 301.696178] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 301.701304] ? pvclock_read_flags+0x160/0x160 [ 301.705798] ? lapic_next_event+0x5a/0x90 [ 301.709953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.715497] ? check_preemption_disabled+0x48/0x200 [ 301.720516] ? check_preemption_disabled+0x48/0x200 [ 301.725685] ? kvm_clock_read+0x18/0x30 [ 301.729658] ? kvm_sched_clock_read+0x9/0x20 [ 301.734074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.739614] ? check_preemption_disabled+0x48/0x200 [ 301.744684] irq_exit+0x17f/0x1c0 [ 301.748147] smp_apic_timer_interrupt+0x1cb/0x760 [ 301.752991] ? smp_reschedule_interrupt+0x109/0x650 [ 301.758009] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.763894] ? interrupt_entry+0xb5/0xf0 [ 301.767973] ? trace_hardirqs_off_caller+0xbb/0x300 [ 301.773000] ? trace_hardirqs_off_caller+0xbb/0x300 [ 301.778017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.782861] ? trace_hardirqs_off+0x300/0x300 [ 301.787358] ? trace_hardirqs_off+0x300/0x300 [ 301.791855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.797398] ? check_preemption_disabled+0x48/0x200 [ 301.802436] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.807303] apic_timer_interrupt+0xf/0x20 [ 301.811563] [ 301.813821] RIP: 0010:console_unlock+0x1017/0x11a0 [ 301.818765] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 301.838166] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 301.845883] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 301.853149] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 301.860424] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 301.867724] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 301.874995] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 301.882282] ? netconsole_netdev_event+0x280/0x280 [ 301.887239] ? console_unlock+0x100e/0x11a0 [ 301.891583] ? devkmsg_read+0xbb0/0xbb0 [ 301.895592] ? vprintk_emit+0x7f7/0x930 [ 301.899577] ? lock_release+0x970/0x970 [ 301.903555] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.909025] ? vprintk_default+0x28/0x30 [ 301.913095] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.918553] ? kasan_check_write+0x14/0x20 [ 301.922792] ? do_raw_spin_lock+0xc1/0x200 [ 301.927574] vprintk_emit+0x33d/0x930 [ 301.931663] ? wake_up_klogd+0x180/0x180 [ 301.935753] ? find_held_lock+0x36/0x1c0 [ 301.939835] ? mark_held_locks+0xc7/0x130 [ 301.943989] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.948487] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.952994] vprintk_default+0x28/0x30 [ 301.956884] vprintk_func+0x7e/0x181 [ 301.960602] printk+0xa7/0xcf [ 301.963722] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 301.968493] ? _raw_spin_unlock_irq+0x60/0x80 [ 301.973003] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 301.978288] dump_header+0x7cc/0xf72 [ 301.982019] ? pagefault_out_of_memory+0x197/0x197 [ 301.986962] ? __lock_acquire+0x7ec/0x4ec0 [ 301.991207] ? print_usage_bug+0xc0/0xc0 [ 301.995277] ? graph_lock+0x170/0x170 [ 301.999252] ? graph_lock+0x170/0x170 [ 302.003067] ? print_usage_bug+0xc0/0xc0 [ 302.007132] ? print_usage_bug+0xc0/0xc0 [ 302.011198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.016747] ? find_held_lock+0x36/0x1c0 [ 302.020819] ? mark_held_locks+0xc7/0x130 [ 302.025470] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 302.030575] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 302.035692] ? lockdep_hardirqs_on+0x421/0x5c0 [ 302.040305] ? trace_hardirqs_on+0xbd/0x310 [ 302.044645] ? kasan_check_read+0x11/0x20 [ 302.048802] ? ___ratelimit+0x36f/0x655 [ 302.052781] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.058234] ? trace_hardirqs_on+0x310/0x310 [ 302.062655] ? lock_downgrade+0x900/0x900 [ 302.066818] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 302.071927] ? ___ratelimit+0xaa/0x655 [ 302.075821] ? idr_get_free+0xec0/0xec0 [ 302.079802] ? kasan_check_write+0x14/0x20 [ 302.084040] ? do_raw_spin_lock+0xc1/0x200 [ 302.088285] oom_kill_process.cold.27+0x10/0x903 [ 302.093050] ? graph_lock+0x170/0x170 [ 302.096853] ? _raw_spin_unlock+0x2c/0x50 [ 302.101001] ? oom_badness+0xe6/0xaa0 [ 302.104813] ? oom_evaluate_task+0x540/0x540 [ 302.109227] ? find_held_lock+0x36/0x1c0 [ 302.113304] ? out_of_memory+0x974/0x14c0 [ 302.117733] ? lock_downgrade+0x900/0x900 [ 302.121886] ? check_preemption_disabled+0x48/0x200 [ 302.127403] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 302.133211] ? kasan_check_read+0x11/0x20 [ 302.137371] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.142656] ? rcu_bh_qs+0xc0/0xc0 [ 302.146208] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 302.151753] ? oom_evaluate_task+0x302/0x540 [ 302.156172] out_of_memory+0xa86/0x14c0 [ 302.160157] ? oom_killer_disable+0x3a0/0x3a0 [ 302.164659] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 302.169595] ? __mutex_add_waiter+0x2a0/0x2a0 [ 302.174123] __alloc_pages_slowpath+0x2318/0x2d80 [ 302.179001] ? warn_alloc+0x120/0x120 [ 302.182817] ? __radix_tree_lookup+0x4c0/0x4c0 [ 302.187423] ? find_get_entry+0x2f2/0xc40 [ 302.191591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.197133] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 302.202066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.207604] ? should_fail+0x22d/0xd01 [ 302.211519] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.216643] ? __lock_is_held+0xb5/0x140 [ 302.220732] ? __lock_is_held+0xb5/0x140 [ 302.225308] ? find_held_lock+0x36/0x1c0 [ 302.229390] ? ___might_sleep+0x1ed/0x300 [ 302.233561] ? lock_release+0x970/0x970 [ 302.237541] ? arch_local_save_flags+0x40/0x40 [ 302.242145] ? __might_sleep+0x95/0x190 [ 302.246132] __alloc_pages_nodemask+0xa80/0xde0 [ 302.250812] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 302.255835] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 302.261655] ? kasan_check_read+0x11/0x20 [ 302.265846] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.271131] ? graph_lock+0x170/0x170 [ 302.274936] ? print_usage_bug+0xc0/0xc0 [ 302.279008] ? graph_lock+0x170/0x170 [ 302.282812] ? graph_lock+0x170/0x170 [ 302.286615] ? __do_page_cache_readahead+0x7ce/0x980 [ 302.291734] ? find_held_lock+0x36/0x1c0 [ 302.295801] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 302.301343] alloc_pages_current+0x10c/0x210 [ 302.305755] ? lock_downgrade+0x900/0x900 [ 302.309908] __page_cache_alloc+0x38f/0x5b0 [ 302.314234] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 302.320035] ? kasan_check_read+0x11/0x20 [ 302.324784] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.330071] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 302.334747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.340313] ? check_preemption_disabled+0x48/0x200 [ 302.345360] filemap_fault+0x1594/0x25f0 [ 302.349462] ? __lock_page_or_retry+0xa00/0xa00 [ 302.354158] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 302.359958] ? kasan_check_read+0x11/0x20 [ 302.364114] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.369394] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 302.374511] ? rcu_bh_qs+0xc0/0xc0 [ 302.378054] ? trace_hardirqs_on+0xbd/0x310 [ 302.382390] ? kasan_check_read+0x11/0x20 [ 302.386557] ? __free_object+0x173/0x340 [ 302.390638] ? filemap_map_pages+0xdea/0x1980 [ 302.395148] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 302.400250] ? __free_object+0x173/0x340 [ 302.404318] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 302.409593] ? debug_object_free+0x325/0x690 [ 302.414009] ? find_get_pages_range_tag+0x1320/0x1320 [ 302.419221] ? graph_lock+0x170/0x170 [ 302.423472] ? kasan_check_read+0x11/0x20 [ 302.427670] ? debug_object_destroy+0x2b0/0x2b0 [ 302.432375] ? lock_acquire+0x1ed/0x520 [ 302.436367] ? ext4_filemap_fault+0x7a/0xad [ 302.440693] ? lock_release+0x970/0x970 [ 302.444684] ? arch_local_save_flags+0x40/0x40 [ 302.449273] ? futex_wait_setup+0x3e0/0x3e0 [ 302.453608] ? down_read+0xb0/0x1d0 [ 302.457246] ? ext4_filemap_fault+0x7a/0xad [ 302.461568] ? __down_interruptible+0x700/0x700 [ 302.466255] ext4_filemap_fault+0x82/0xad [ 302.470417] __do_fault+0x100/0x6b0 [ 302.474055] ? print_bad_pte+0x6c0/0x6c0 [ 302.478117] ? do_futex+0x249/0x26d0 [ 302.481833] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.487325] ? kasan_check_read+0x11/0x20 [ 302.491485] ? pmd_val+0x88/0x100 [ 302.494953] ? add_mm_counter_fast+0xd0/0xd0 [ 302.499365] ? pmd_val+0x88/0x100 [ 302.502825] ? add_mm_counter_fast+0xd0/0xd0 [ 302.507240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.512799] __handle_mm_fault+0x3709/0x53e0 [ 302.517254] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 302.522100] ? graph_lock+0x170/0x170 [ 302.526345] ? print_usage_bug+0xc0/0xc0 [ 302.530404] ? lockdep_hardirqs_on+0x421/0x5c0 [ 302.534995] ? graph_lock+0x170/0x170 [ 302.538794] ? graph_lock+0x170/0x170 [ 302.542616] ? handle_mm_fault+0x42a/0xc70 [ 302.546863] ? lock_downgrade+0x900/0x900 [ 302.551018] ? check_preemption_disabled+0x48/0x200 [ 302.556044] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 302.561853] ? kasan_check_read+0x11/0x20 [ 302.566023] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.571303] ? rcu_bh_qs+0xc0/0xc0 [ 302.574843] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.580306] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.585850] ? check_preemption_disabled+0x48/0x200 [ 302.590894] handle_mm_fault+0x54f/0xc70 [ 302.594966] ? __handle_mm_fault+0x53e0/0x53e0 [ 302.599549] ? find_vma+0x34/0x190 [ 302.603096] __do_page_fault+0x67d/0xed0 [ 302.607166] ? mm_fault_error+0x380/0x380 [ 302.611326] ? trace_hardirqs_off+0xb8/0x300 [ 302.615748] ? trace_hardirqs_on+0x310/0x310 [ 302.620154] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 302.625994] ? trace_hardirqs_on+0x310/0x310 [ 302.630407] do_page_fault+0xf2/0x7e0 [ 302.634235] ? vmalloc_sync_all+0x30/0x30 [ 302.638399] ? error_entry+0x70/0xd0 [ 302.642120] ? trace_hardirqs_off_caller+0xbb/0x300 [ 302.647150] ? trace_hardirqs_on_caller+0xc0/0x300 [ 302.652084] ? syscall_return_slowpath+0x5e0/0x5e0 [ 302.657013] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.661856] ? trace_hardirqs_off+0x300/0x300 [ 302.666349] ? trace_hardirqs_off_caller+0x300/0x300 [ 302.671461] ? prepare_exit_to_usermode+0x291/0x3b0 [ 302.676479] ? page_fault+0x8/0x30 [ 302.680076] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.684940] ? page_fault+0x8/0x30 [ 302.688516] page_fault+0x1e/0x30 [ 302.691968] RIP: 0033:0x45ddf3 [ 302.695162] Code: Bad RIP value. [ 302.698519] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 302.703882] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 302.711150] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 302.718422] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 302.726165] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 302.733448] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 302.740745] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 302.740751] warn_alloc_show_mem: 1 callbacks suppressed [ 302.740759] Mem-Info: [ 302.747953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.753324] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 302.753324] active_file:16 inactive_file:19 isolated_file:0 [ 302.753324] unevictable:0 dirty:0 writeback:0 unstable:0 [ 302.753324] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 302.753324] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 302.753324] free:13708 free_pcp:124 free_cma:0 [ 302.755698] Call Trace: [ 302.765093] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 302.797950] [ 302.800530] Node 0 [ 302.828211] dump_stack+0x1c4/0x2b4 [ 302.830371] 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 [ 302.832600] ? dump_stack_print_info.cold.2+0x52/0x52 [ 302.836202] lowmem_reserve[]: [ 302.861727] warn_alloc.cold.118+0xb7/0x1bd [ 302.866903] 0 [ 302.870021] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 302.874317] 2817 [ 302.876140] ? lock_downgrade+0x900/0x900 [ 302.880958] 6321 [ 302.883046] ? trace_hardirqs_off+0xb8/0x300 [ 302.887169] 6321 [ 302.889248] ? trace_hardirqs_off+0xb8/0x300 [ 302.895713] __alloc_pages_slowpath+0x2667/0x2d80 [ 302.900099] Node 0 DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 302.904970] ? warn_alloc+0x120/0x120 [ 302.904990] ? warn_alloc+0x120/0x120 [ 302.933006] lowmem_reserve[]: 0 [ 302.936853] ? print_usage_bug+0xc0/0xc0 [ 302.940630] 0 3503 [ 302.943923] ? warn_alloc+0x120/0x120 [ 302.947967] 3503 [ 302.950214] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 302.953992] Node 0 [ 302.956055] ? print_usage_bug+0xc0/0xc0 [ 302.961076] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 302.963285] ? __lock_acquire+0x7ec/0x4ec0 [ 302.967318] lowmem_reserve[]: 0 [ 302.995986] ? __lock_acquire+0x7ec/0x4ec0 [ 303.000208] 0 [ 303.003489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.007700] 0 0 [ 303.009515] ? should_fail+0x22d/0xd01 [ 303.017004] ? __lock_acquire+0x7ec/0x4ec0 [ 303.020868] Node 0 DMA: [ 303.025101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.025118] ? __lock_acquire+0x7ec/0x4ec0 [ 303.027780] 1*4kB [ 303.032878] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.037092] (U) [ 303.039241] ? __lock_acquire+0x7ec/0x4ec0 [ 303.044325] 0*8kB [ 303.046297] ? should_fail+0x22d/0xd01 [ 303.050512] 0*16kB [ 303.052666] ? mark_held_locks+0x130/0x130 [ 303.056531] 1*32kB [ 303.058767] ? mark_held_locks+0x130/0x130 [ 303.062981] (U) [ 303.065220] ? graph_lock+0x170/0x170 [ 303.069447] 2*64kB [ 303.071431] ? print_usage_bug+0xc0/0xc0 [ 303.075213] (U) [ 303.077453] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 303.081509] 1*128kB [ 303.083491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.088226] (U) [ 303.090551] ? check_preemption_disabled+0x48/0x200 [ 303.096056] 1*256kB (U) [ 303.098043] ? check_preemption_disabled+0x48/0x200 [ 303.103469] 0*512kB 1*1024kB [ 303.106163] ? __lock_is_held+0xb5/0x140 [ 303.111151] (U) [ 303.114260] __alloc_pages_nodemask+0xa80/0xde0 [ 303.118290] 1*2048kB (M) [ 303.120277] ? graph_lock+0x170/0x170 [ 303.125395] 3*4096kB (M) [ 303.128183] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 303.131967] = 15908kB [ 303.134723] ? graph_lock+0x170/0x170 [ 303.139717] Node 0 [ 303.142133] ? find_held_lock+0x36/0x1c0 [ 303.145905] DMA32: [ 303.148151] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.152185] 3*4kB [ 303.154422] ? lock_downgrade+0x900/0x900 [ 303.159074] (UM) [ 303.161227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.165344] 2*8kB (M) [ 303.167417] cache_grow_begin+0x91/0x8c0 [ 303.172938] 3*16kB [ 303.175435] ? do_raw_spin_unlock+0xa7/0x2f0 [ 303.179470] (UM) [ 303.181761] fallback_alloc+0x203/0x2e0 [ 303.186145] 3*32kB [ 303.188218] ____cache_alloc_node+0x1c7/0x1e0 [ 303.192183] (M) [ 303.194432] kmem_cache_alloc_node+0xe3/0x730 [ 303.198906] 3*64kB [ 303.200898] ? ipv6_get_ifaddr+0x42e/0x620 [ 303.205378] (UM) [ 303.207617] __alloc_skb+0x119/0x770 [ 303.211829] 4*128kB (UM) [ 303.213916] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.217599] 3*256kB [ 303.220355] ? skb_scrub_packet+0x490/0x490 [ 303.226088] (M) [ 303.228412] ? lock_downgrade+0x900/0x900 [ 303.232735] 4*512kB [ 303.234719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.238840] (M) [ 303.241165] ? refcount_sub_and_test_checked+0x203/0x310 [ 303.246683] 3*1024kB (UM) [ 303.248672] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 303.254101] 1*2048kB [ 303.256951] ? addrconf_rs_timer+0x6f0/0x6f0 [ 303.262372] (M) 4*4096kB [ 303.264805] ndisc_alloc_skb+0x144/0x340 [ 303.269187] (M) [ 303.271953] ndisc_send_rs+0x331/0x6e0 [ 303.275988] = 25196kB [ 303.277964] addrconf_rs_timer+0x3c0/0x6f0 [ 303.281841] Node 0 [ 303.284259] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.288491] Normal: 852*4kB [ 303.290744] call_timer_fn+0x272/0x920 [ 303.294947] (UMEH) [ 303.297967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.301831] 324*8kB [ 303.304066] ? process_timeout+0x40/0x40 [ 303.308277] (UMEH) [ 303.310599] ? find_held_lock+0x36/0x1c0 [ 303.314642] 169*16kB [ 303.316881] ? __run_timers+0x7da/0xc70 [ 303.320918] (UMEH) [ 303.323352] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.323360] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.323368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.323376] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 303.323385] ? trace_hardirqs_on+0xbd/0x310 [ 303.323394] ? kasan_check_read+0x11/0x20 [ 303.323401] ? __run_timers+0x7da/0xc70 [ 303.323410] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.323435] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.323452] __run_timers+0x7e5/0xc70 [ 303.327406] 81*32kB (UMEH) [ 303.329656] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 303.334122] 31*64kB [ 303.338627] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 303.342838] (UMH) 3*128kB [ 303.347425] ? graph_lock+0x170/0x170 [ 303.347443] ? enqueue_hrtimer+0x1a5/0x560 [ 303.351769] (H) [ 303.355927] ? lock_release+0x970/0x970 [ 303.359881] 1*256kB [ 303.365339] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 303.369549] (H) [ 303.373362] ? find_held_lock+0x36/0x1c0 [ 303.376704] 0*512kB [ 303.382064] ? graph_lock+0x170/0x170 [ 303.384385] 0*1024kB [ 303.389400] ? pvclock_read_flags+0x160/0x160 [ 303.392230] 0*2048kB [ 303.396028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.400237] 0*4096kB = 13920kB [ 303.402223] ? check_preemption_disabled+0x48/0x200 [ 303.406184] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 303.408499] ? __lock_is_held+0xb5/0x140 [ 303.413665] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 303.415660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.419705] 414 total pagecache pages [ 303.422027] ? check_preemption_disabled+0x48/0x200 [ 303.426251] 0 pages in swap cache [ 303.428658] run_timer_softirq+0x52/0xb0 [ 303.433123] Swap cache stats: add 0, delete 0, find 0/0 [ 303.433132] Free swap = 0kB [ 303.435541] ? rcu_read_lock_sched_held+0x108/0x120 [ 303.441058] Total swap = 0kB [ 303.444257] __do_softirq+0x30b/0xad8 [ 303.449248] 1965979 pages RAM [ 303.458092] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 303.462123] 0 pages HighMem/MovableOnly [ 303.462133] 342744 pages reserved [ 303.470707] ? pvclock_read_flags+0x160/0x160 [ 303.476222] 0 pages cma reserved [ 303.480018] ? lapic_next_event+0x5a/0x90 [ 303.485103] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.488500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.492649] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.497897] ? check_preemption_disabled+0x48/0x200 [ 303.500889] syz-fuzzer cpuset= [ 303.505903] ? check_preemption_disabled+0x48/0x200 [ 303.505930] ? kvm_clock_read+0x18/0x30 [ 303.508915] / mems_allowed=0 [ 303.512724] ? kvm_sched_clock_read+0x9/0x20 [ 303.587148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.592710] ? check_preemption_disabled+0x48/0x200 [ 303.597758] irq_exit+0x17f/0x1c0 [ 303.601221] smp_apic_timer_interrupt+0x1cb/0x760 [ 303.606068] ? smp_reschedule_interrupt+0x109/0x650 [ 303.611095] ? smp_call_function_single_interrupt+0x650/0x650 [ 303.616983] ? interrupt_entry+0xb5/0xf0 [ 303.621051] ? trace_hardirqs_off_caller+0xbb/0x300 [ 303.626072] ? trace_hardirqs_off_caller+0xbb/0x300 [ 303.631094] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.635945] ? trace_hardirqs_off+0x300/0x300 [ 303.640450] ? trace_hardirqs_off+0x300/0x300 [ 303.644949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.650489] ? check_preemption_disabled+0x48/0x200 [ 303.655506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.661056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.665920] apic_timer_interrupt+0xf/0x20 [ 303.670178] [ 303.672420] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 303.677381] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 303.696313] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 303.704029] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 303.711311] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 303.718581] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 303.725853] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 303.733146] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 303.740466] skb_clone+0x1bb/0x500 [ 303.744040] ? finish_task_switch+0x2f5/0x900 [ 303.748537] ? skb_split+0x11e0/0x11e0 [ 303.752425] ? preempt_notifier_register+0x200/0x200 [ 303.757528] ? __switch_to_asm+0x34/0x70 [ 303.761586] ? __switch_to_asm+0x34/0x70 [ 303.765656] ? __switch_to_asm+0x40/0x70 [ 303.769715] ? __switch_to_asm+0x34/0x70 [ 303.773777] ? __switch_to_asm+0x40/0x70 [ 303.777833] ? __switch_to_asm+0x34/0x70 [ 303.781917] ? __switch_to_asm+0x40/0x70 [ 303.785991] ? __switch_to_asm+0x34/0x70 [ 303.790067] ? __switch_to_asm+0x34/0x70 [ 303.794135] ? __switch_to_asm+0x40/0x70 [ 303.798196] ? __switch_to_asm+0x34/0x70 [ 303.802283] bpf_clone_redirect+0xb9/0x490 [ 303.806536] ? __schedule+0x874/0x1ed0 [ 303.810442] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 303.815460] ? __sched_text_start+0x8/0x8 [ 303.819631] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 303.824409] ? find_held_lock+0x36/0x1c0 [ 303.828481] ? lock_acquire+0x1ed/0x520 [ 303.832456] ? bpf_test_run+0x32e/0x5a0 [ 303.836435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.841981] ? check_preemption_disabled+0x48/0x200 [ 303.847035] ? kasan_check_read+0x11/0x20 [ 303.851187] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.856469] ? rcu_bh_qs+0xc0/0xc0 [ 303.860070] ? preempt_schedule+0x4d/0x60 [ 303.864232] ? ___preempt_schedule+0x16/0x18 [ 303.868673] ? bpf_test_run+0x1c0/0x5a0 [ 303.872662] ? netlink_diag_dump+0x2a0/0x2a0 [ 303.877086] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.882631] ? bpf_test_init.isra.9+0x70/0x100 [ 303.887221] ? bpf_prog_test_run_skb+0x634/0xb40 [ 303.891993] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 303.896836] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 303.902373] ? fput+0x130/0x1a0 [ 303.905655] ? __bpf_prog_get+0x9b/0x290 [ 303.909721] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 303.914563] ? bpf_prog_test_run+0x130/0x1a0 [ 303.918979] ? __x64_sys_bpf+0x3d8/0x510 [ 303.923109] ? bpf_prog_get+0x20/0x20 [ 303.927266] ? ksys_ioctl+0x81/0xd0 [ 303.930919] ? do_syscall_64+0x1b9/0x820 [ 303.934992] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 303.940358] ? syscall_return_slowpath+0x5e0/0x5e0 [ 303.945303] ? trace_hardirqs_off+0x300/0x300 [ 303.949800] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 303.954817] ? recalc_sigpending_tsk+0x180/0x180 [ 303.959578] ? kasan_check_write+0x14/0x20 [ 303.963820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.968704] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 303.974092] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 303.974161] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.981027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.981032] Call Trace: [ 303.981039] [ 303.981063] dump_stack+0x1c4/0x2b4 [ 303.981079] ? dump_stack_print_info.cold.2+0x52/0x52 [ 303.981106] warn_alloc.cold.118+0xb7/0x1bd [ 303.987641] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.996937] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.999500] syz-executor7 cpuset= [ 304.001654] ? lock_downgrade+0x900/0x900 [ 304.005258] syz7 [ 304.010452] ? trace_hardirqs_off+0xb8/0x300 [ 304.014785] mems_allowed=0 [ 304.025759] ? trace_hardirqs_off+0xb8/0x300 [ 304.051836] __alloc_pages_slowpath+0x2667/0x2d80 [ 304.056712] ? warn_alloc+0x120/0x120 [ 304.060516] ? trace_hardirqs_on+0x310/0x310 [ 304.064943] ? warn_alloc+0x120/0x120 [ 304.068754] ? print_usage_bug+0xc0/0xc0 [ 304.072826] ? warn_alloc+0x120/0x120 [ 304.076638] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 304.081655] ? print_usage_bug+0xc0/0xc0 [ 304.085727] ? __lock_acquire+0x7ec/0x4ec0 [ 304.089965] ? __lock_acquire+0x7ec/0x4ec0 [ 304.094206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.099760] ? should_fail+0x22d/0xd01 [ 304.103661] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.108765] ? __lock_acquire+0x7ec/0x4ec0 [ 304.113020] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.118122] ? __lock_acquire+0x7ec/0x4ec0 [ 304.122357] ? should_fail+0x22d/0xd01 [ 304.126689] ? print_usage_bug+0xc0/0xc0 [ 304.130760] ? mark_held_locks+0x130/0x130 [ 304.135013] ? mark_held_locks+0x130/0x130 [ 304.139260] ? graph_lock+0x170/0x170 [ 304.143076] ? print_usage_bug+0xc0/0xc0 [ 304.147138] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.151899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.157447] ? check_preemption_disabled+0x48/0x200 [ 304.162473] ? check_preemption_disabled+0x48/0x200 [ 304.167502] ? __lock_is_held+0xb5/0x140 [ 304.171572] __alloc_pages_nodemask+0xa80/0xde0 [ 304.176243] ? graph_lock+0x170/0x170 [ 304.180071] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 304.185086] ? graph_lock+0x170/0x170 [ 304.188912] ? find_held_lock+0x36/0x1c0 [ 304.193006] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.197676] ? lock_downgrade+0x900/0x900 [ 304.201833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.207376] cache_grow_begin+0x91/0x8c0 [ 304.211462] ? do_raw_spin_unlock+0xa7/0x2f0 [ 304.215880] fallback_alloc+0x203/0x2e0 [ 304.219861] ____cache_alloc_node+0x1c7/0x1e0 [ 304.224875] kmem_cache_alloc_node+0xe3/0x730 [ 304.229375] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.233665] __alloc_skb+0x119/0x770 [ 304.237661] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.242946] ? skb_scrub_packet+0x490/0x490 [ 304.247273] ? lock_downgrade+0x900/0x900 [ 304.251431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.256977] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.262442] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.267896] ? addrconf_rs_timer+0x6f0/0x6f0 [ 304.272348] ndisc_alloc_skb+0x144/0x340 [ 304.276423] ndisc_send_rs+0x331/0x6e0 [ 304.280369] addrconf_rs_timer+0x3c0/0x6f0 [ 304.284632] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.288882] call_timer_fn+0x272/0x920 [ 304.292770] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.297030] ? process_timeout+0x40/0x40 [ 304.301114] ? find_held_lock+0x36/0x1c0 [ 304.305181] ? mark_held_locks+0xc7/0x130 [ 304.309345] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.313836] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.318330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.322577] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 304.327656] ? trace_hardirqs_on+0xbd/0x310 [ 304.331985] ? kasan_check_read+0x11/0x20 [ 304.336132] ? __run_timers+0x7da/0xc70 [ 304.340109] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.345569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.349832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.354156] __run_timers+0x7e5/0xc70 [ 304.357972] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 304.363350] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.368371] ? graph_lock+0x170/0x170 [ 304.372182] ? print_usage_bug+0xc0/0xc0 [ 304.376241] ? lock_release+0x970/0x970 [ 304.380220] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.385424] ? find_held_lock+0x36/0x1c0 [ 304.389509] ? graph_lock+0x170/0x170 [ 304.393319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.398859] ? check_preemption_disabled+0x48/0x200 [ 304.403891] ? __lock_is_held+0xb5/0x140 [ 304.407957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.413499] ? check_preemption_disabled+0x48/0x200 [ 304.418524] run_timer_softirq+0x52/0xb0 [ 304.422626] ? rcu_read_lock_sched_held+0x108/0x120 [ 304.428168] __do_softirq+0x30b/0xad8 [ 304.431988] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 304.437098] ? pvclock_read_flags+0x160/0x160 [ 304.441603] ? lapic_next_event+0x5a/0x90 [ 304.445759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.451298] ? check_preemption_disabled+0x48/0x200 [ 304.456314] ? check_preemption_disabled+0x48/0x200 [ 304.461339] ? kvm_clock_read+0x18/0x30 [ 304.465316] ? kvm_sched_clock_read+0x9/0x20 [ 304.469730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.475270] ? check_preemption_disabled+0x48/0x200 [ 304.480299] irq_exit+0x17f/0x1c0 [ 304.483796] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.488644] ? smp_reschedule_interrupt+0x109/0x650 [ 304.493665] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.499550] ? interrupt_entry+0xb5/0xf0 [ 304.503614] ? trace_hardirqs_off_caller+0xbb/0x300 [ 304.508644] ? trace_hardirqs_off_caller+0xbb/0x300 [ 304.513662] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.518515] ? trace_hardirqs_off+0x300/0x300 [ 304.523480] ? trace_hardirqs_off+0x300/0x300 [ 304.527981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.533532] ? check_preemption_disabled+0x48/0x200 [ 304.538562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.543424] apic_timer_interrupt+0xf/0x20 [ 304.547669] [ 304.549926] RIP: 0010:console_unlock+0x1017/0x11a0 [ 304.554888] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 304.573811] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 304.581536] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 304.588802] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 304.596068] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 304.603348] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 304.610617] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 304.617921] ? netconsole_netdev_event+0x280/0x280 [ 304.622886] ? console_unlock+0x100e/0x11a0 [ 304.627373] ? devkmsg_read+0xbb0/0xbb0 [ 304.631349] ? vprintk_emit+0x7f7/0x930 [ 304.635341] ? lock_release+0x970/0x970 [ 304.639314] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.644769] ? vprintk_default+0x28/0x30 [ 304.648834] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.654372] ? kasan_check_write+0x14/0x20 [ 304.658609] ? do_raw_spin_lock+0xc1/0x200 [ 304.662859] vprintk_emit+0x33d/0x930 [ 304.666672] ? wake_up_klogd+0x180/0x180 [ 304.670745] ? find_held_lock+0x36/0x1c0 [ 304.674816] ? mark_held_locks+0xc7/0x130 [ 304.678966] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.683464] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.687968] vprintk_default+0x28/0x30 [ 304.691862] vprintk_func+0x7e/0x181 [ 304.695582] printk+0xa7/0xcf [ 304.698693] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 304.703477] ? _raw_spin_unlock_irq+0x60/0x80 [ 304.707989] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 304.713297] dump_header+0x7cc/0xf72 [ 304.717028] ? pagefault_out_of_memory+0x197/0x197 [ 304.721980] ? __lock_acquire+0x7ec/0x4ec0 [ 304.726698] ? print_usage_bug+0xc0/0xc0 [ 304.730768] ? graph_lock+0x170/0x170 [ 304.734564] ? graph_lock+0x170/0x170 [ 304.738369] ? print_usage_bug+0xc0/0xc0 [ 304.742448] ? print_usage_bug+0xc0/0xc0 [ 304.746517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.752059] ? find_held_lock+0x36/0x1c0 [ 304.756130] ? mark_held_locks+0xc7/0x130 [ 304.760282] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 304.765431] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 304.770537] ? lockdep_hardirqs_on+0x421/0x5c0 [ 304.775120] ? trace_hardirqs_on+0xbd/0x310 [ 304.779460] ? kasan_check_read+0x11/0x20 [ 304.783641] ? ___ratelimit+0x36f/0x655 [ 304.787617] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.793118] ? trace_hardirqs_on+0x310/0x310 [ 304.797528] ? lock_downgrade+0x900/0x900 [ 304.801697] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 304.806804] ? ___ratelimit+0xaa/0x655 [ 304.810700] ? idr_get_free+0xec0/0xec0 [ 304.814679] ? kasan_check_write+0x14/0x20 [ 304.818917] ? do_raw_spin_lock+0xc1/0x200 [ 304.823667] oom_kill_process.cold.27+0x10/0x903 [ 304.828430] ? graph_lock+0x170/0x170 [ 304.832230] ? _raw_spin_unlock+0x2c/0x50 [ 304.836376] ? oom_badness+0xe6/0xaa0 [ 304.840201] ? oom_evaluate_task+0x540/0x540 [ 304.844616] ? find_held_lock+0x36/0x1c0 [ 304.848713] ? out_of_memory+0x974/0x14c0 [ 304.852863] ? lock_downgrade+0x900/0x900 [ 304.857026] ? check_preemption_disabled+0x48/0x200 [ 304.862046] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 304.867847] ? kasan_check_read+0x11/0x20 [ 304.872002] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.877282] ? rcu_bh_qs+0xc0/0xc0 [ 304.880845] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 304.886383] ? oom_evaluate_task+0x302/0x540 [ 304.890802] out_of_memory+0xa86/0x14c0 [ 304.894804] ? oom_killer_disable+0x3a0/0x3a0 [ 304.899314] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 304.904266] ? __mutex_add_waiter+0x2a0/0x2a0 [ 304.908792] __alloc_pages_slowpath+0x2318/0x2d80 [ 304.913674] ? warn_alloc+0x120/0x120 [ 304.917481] ? __radix_tree_lookup+0x4c0/0x4c0 [ 304.922079] ? find_get_entry+0x2f2/0xc40 [ 304.926700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.932246] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 304.937178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.942721] ? should_fail+0x22d/0xd01 [ 304.946647] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.951768] ? __lock_is_held+0xb5/0x140 [ 304.955852] ? __lock_is_held+0xb5/0x140 [ 304.959930] ? find_held_lock+0x36/0x1c0 [ 304.963997] ? ___might_sleep+0x1ed/0x300 [ 304.968147] ? lock_release+0x970/0x970 [ 304.972123] ? arch_local_save_flags+0x40/0x40 [ 304.976724] ? __might_sleep+0x95/0x190 [ 304.980730] __alloc_pages_nodemask+0xa80/0xde0 [ 304.985408] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 304.990439] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 304.996454] ? kasan_check_read+0x11/0x20 [ 305.000622] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.005917] ? graph_lock+0x170/0x170 [ 305.009727] ? print_usage_bug+0xc0/0xc0 [ 305.013795] ? graph_lock+0x170/0x170 [ 305.017605] ? graph_lock+0x170/0x170 [ 305.021438] ? __do_page_cache_readahead+0x7ce/0x980 [ 305.027033] ? find_held_lock+0x36/0x1c0 [ 305.031102] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 305.036675] alloc_pages_current+0x10c/0x210 [ 305.041094] ? lock_downgrade+0x900/0x900 [ 305.045246] __page_cache_alloc+0x38f/0x5b0 [ 305.049567] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 305.055390] ? kasan_check_read+0x11/0x20 [ 305.059551] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.064834] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 305.069545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.075086] ? check_preemption_disabled+0x48/0x200 [ 305.080130] filemap_fault+0x1594/0x25f0 [ 305.084213] ? __lock_page_or_retry+0xa00/0xa00 [ 305.088886] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 305.094688] ? kasan_check_read+0x11/0x20 [ 305.098842] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.104627] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 305.109738] ? rcu_bh_qs+0xc0/0xc0 [ 305.113284] ? trace_hardirqs_on+0xbd/0x310 [ 305.117608] ? kasan_check_read+0x11/0x20 [ 305.121766] ? __free_object+0x173/0x340 [ 305.126381] ? filemap_map_pages+0xdea/0x1980 [ 305.130893] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 305.136011] ? __free_object+0x173/0x340 [ 305.140074] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 305.145352] ? debug_object_free+0x325/0x690 [ 305.149770] ? find_get_pages_range_tag+0x1320/0x1320 [ 305.154969] ? graph_lock+0x170/0x170 [ 305.158785] ? kasan_check_read+0x11/0x20 [ 305.162956] ? debug_object_destroy+0x2b0/0x2b0 [ 305.167704] ? lock_acquire+0x1ed/0x520 [ 305.171680] ? ext4_filemap_fault+0x7a/0xad [ 305.176027] ? lock_release+0x970/0x970 [ 305.180004] ? arch_local_save_flags+0x40/0x40 [ 305.184592] ? futex_wait_setup+0x3e0/0x3e0 [ 305.188936] ? down_read+0xb0/0x1d0 [ 305.192589] ? ext4_filemap_fault+0x7a/0xad [ 305.196921] ? __down_interruptible+0x700/0x700 [ 305.201626] ext4_filemap_fault+0x82/0xad [ 305.205799] __do_fault+0x100/0x6b0 [ 305.209439] ? print_bad_pte+0x6c0/0x6c0 [ 305.213513] ? do_futex+0x249/0x26d0 [ 305.217245] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.222706] ? kasan_check_read+0x11/0x20 [ 305.227314] ? pmd_val+0x88/0x100 [ 305.230772] ? add_mm_counter_fast+0xd0/0xd0 [ 305.235185] ? pmd_val+0x88/0x100 [ 305.238650] ? add_mm_counter_fast+0xd0/0xd0 [ 305.243067] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.248613] __handle_mm_fault+0x3709/0x53e0 [ 305.253063] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 305.257945] ? graph_lock+0x170/0x170 [ 305.261758] ? print_usage_bug+0xc0/0xc0 [ 305.265825] ? lockdep_hardirqs_on+0x421/0x5c0 [ 305.270436] ? graph_lock+0x170/0x170 [ 305.274238] ? graph_lock+0x170/0x170 [ 305.278075] ? handle_mm_fault+0x42a/0xc70 [ 305.282314] ? lock_downgrade+0x900/0x900 [ 305.286464] ? check_preemption_disabled+0x48/0x200 [ 305.291512] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 305.297313] ? kasan_check_read+0x11/0x20 [ 305.301467] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.306753] ? rcu_bh_qs+0xc0/0xc0 [ 305.310294] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.315752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.321297] ? check_preemption_disabled+0x48/0x200 [ 305.326789] handle_mm_fault+0x54f/0xc70 [ 305.330874] ? __handle_mm_fault+0x53e0/0x53e0 [ 305.335460] ? find_vma+0x34/0x190 [ 305.339009] __do_page_fault+0x67d/0xed0 [ 305.343083] ? mm_fault_error+0x380/0x380 [ 305.347232] ? trace_hardirqs_off+0xb8/0x300 [ 305.351654] ? trace_hardirqs_on+0x310/0x310 [ 305.356069] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 305.361440] ? trace_hardirqs_on+0x310/0x310 [ 305.365857] do_page_fault+0xf2/0x7e0 [ 305.369667] ? vmalloc_sync_all+0x30/0x30 [ 305.373830] ? error_entry+0x70/0xd0 [ 305.377546] ? trace_hardirqs_off_caller+0xbb/0x300 [ 305.382568] ? trace_hardirqs_on_caller+0xc0/0x300 [ 305.387498] ? syscall_return_slowpath+0x5e0/0x5e0 [ 305.392449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.397308] ? trace_hardirqs_off+0x300/0x300 [ 305.401819] ? trace_hardirqs_off_caller+0x300/0x300 [ 305.406934] ? prepare_exit_to_usermode+0x291/0x3b0 [ 305.411965] ? page_fault+0x8/0x30 [ 305.415530] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.420379] ? page_fault+0x8/0x30 [ 305.424520] page_fault+0x1e/0x30 [ 305.428006] RIP: 0033:0x45ddf3 [ 305.431206] Code: Bad RIP value. [ 305.434578] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 305.439940] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 305.447229] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 305.454499] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 305.461774] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 305.469045] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 305.476354] warn_alloc_show_mem: 1 callbacks suppressed [ 305.476367] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 305.476369] Mem-Info: [ 305.476399] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 305.476399] active_file:16 inactive_file:19 isolated_file:0 [ 305.476399] unevictable:0 dirty:0 writeback:0 unstable:0 [ 305.476399] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 305.476399] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 305.476399] free:13708 free_pcp:124 free_cma:0 [ 305.481753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.488945] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 305.488954] Node 0 [ 305.491380] Call Trace: [ 305.524718] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 305.534062] [ 305.561716] lowmem_reserve[]: 0 [ 305.563967] dump_stack+0x1c4/0x2b4 [ 305.566526] 2817 [ 305.592052] ? dump_stack_print_info.cold.2+0x52/0x52 [ 305.594179] 6321 [ 305.597477] warn_alloc.cold.118+0xb7/0x1bd [ 305.601075] 6321 [ 305.603137] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.608304] Node 0 [ 305.610379] ? lock_downgrade+0x900/0x900 [ 305.614703] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 305.616744] ? trace_hardirqs_off+0xb8/0x300 [ 305.621555] lowmem_reserve[]: 0 [ 305.623806] ? trace_hardirqs_off+0xb8/0x300 [ 305.627934] 0 [ 305.654922] __alloc_pages_slowpath+0x2667/0x2d80 [ 305.659297] 3503 3503 [ 305.662632] ? warn_alloc+0x120/0x120 [ 305.666982] Node 0 [ 305.668785] ? warn_alloc+0x120/0x120 [ 305.673647] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 305.676111] ? print_usage_bug+0xc0/0xc0 [ 305.679885] lowmem_reserve[]: 0 [ 305.682170] ? warn_alloc+0x120/0x120 [ 305.685950] 0 [ 305.714150] ? print_usage_bug+0xc0/0xc0 [ 305.718192] 0 [ 305.721467] ? __lock_acquire+0x7ec/0x4ec0 [ 305.725398] 0 [ 305.727220] ? __lock_acquire+0x7ec/0x4ec0 [ 305.731265] Node 0 [ 305.733066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.737279] DMA: [ 305.739084] ? should_fail+0x22d/0xd01 [ 305.743298] 1*4kB [ 305.745534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.751050] (U) [ 305.753114] ? __lock_acquire+0x7ec/0x4ec0 [ 305.756980] 0*8kB [ 305.759126] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.764215] 0*16kB [ 305.766188] ? __lock_acquire+0x7ec/0x4ec0 [ 305.770404] 1*32kB [ 305.772550] ? should_fail+0x22d/0xd01 [ 305.777629] (U) [ 305.779889] ? mark_held_locks+0x130/0x130 [ 305.784091] 2*64kB (U) [ 305.786335] ? mark_held_locks+0x130/0x130 [ 305.790200] 1*128kB [ 305.792182] ? graph_lock+0x170/0x170 [ 305.796400] (U) [ 305.798985] ? graph_lock+0x170/0x170 [ 305.803199] 1*256kB [ 305.805518] ? graph_lock+0x170/0x170 [ 305.809295] (U) [ 305.811288] ? print_usage_bug+0xc0/0xc0 [ 305.815068] 0*512kB [ 305.817396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.821178] 1*1024kB [ 305.823200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.823234] ? check_preemption_disabled+0x48/0x200 [ 305.823275] ? check_preemption_disabled+0x48/0x200 [ 305.823323] ? __lock_is_held+0xb5/0x140 [ 305.823352] __alloc_pages_nodemask+0xa80/0xde0 [ 305.823361] ? graph_lock+0x170/0x170 [ 305.823371] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 305.823378] ? graph_lock+0x170/0x170 [ 305.823391] ? find_held_lock+0x36/0x1c0 [ 305.823405] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.823415] ? lock_downgrade+0x900/0x900 [ 305.823435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.823454] cache_grow_begin+0x91/0x8c0 [ 305.827502] (U) [ 305.829823] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.835339] 1*2048kB [ 305.837752] fallback_alloc+0x203/0x2e0 [ 305.843263] (M) [ 305.848278] ____cache_alloc_node+0x1c7/0x1e0 [ 305.853277] 3*4096kB [ 305.857354] kmem_cache_alloc_node+0xe3/0x730 [ 305.862002] (M) [ 305.865801] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.870790] = 15908kB [ 305.870807] Node 0 [ 305.874607] __alloc_skb+0x119/0x770 [ 305.878647] DMA32: [ 305.883342] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.887505] 3*4kB [ 305.893043] ? skb_scrub_packet+0x490/0x490 [ 305.897080] (UM) [ 305.899063] ? lock_downgrade+0x900/0x900 [ 305.903450] 2*8kB (M) [ 305.905880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.909823] 3*16kB (UM) [ 305.911810] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.916296] 3*32kB [ 305.918712] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.923643] (M) 3*64kB [ 305.925630] ? addrconf_rs_timer+0x6f0/0x6f0 [ 305.929849] (UM) [ 305.932280] ndisc_alloc_skb+0x144/0x340 [ 305.934473] 4*128kB (UM) [ 305.938204] ndisc_send_rs+0x331/0x6e0 [ 305.940416] 3*256kB (M) [ 305.945710] addrconf_rs_timer+0x3c0/0x6f0 [ 305.947839] 4*512kB [ 305.952159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.954204] (M) [ 305.958356] call_timer_fn+0x272/0x920 [ 305.960823] 3*1024kB [ 305.966349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.969010] (UM) [ 305.974459] ? process_timeout+0x40/0x40 [ 305.976688] 1*2048kB [ 305.982136] ? find_held_lock+0x36/0x1c0 [ 305.984715] (M) [ 305.989125] ? __run_timers+0x7da/0xc70 [ 305.991163] 4*4096kB [ 305.995222] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.997958] (M) [ 306.001842] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.004494] = 25196kB [ 306.008726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.011029] Node 0 [ 306.015262] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 306.017217] Normal: [ 306.021109] ? trace_hardirqs_on+0xbd/0x310 [ 306.024000] 852*4kB [ 306.028235] ? kasan_check_read+0x11/0x20 [ 306.030290] (UMEH) [ 306.034351] ? __run_timers+0x7da/0xc70 [ 306.036746] 324*8kB [ 306.040808] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.042784] (UMEH) [ 306.046758] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.049146] 169*16kB [ 306.053645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.055608] (UMEH) [ 306.060101] __run_timers+0x7e5/0xc70 [ 306.062489] 81*32kB [ 306.066737] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 306.068969] (UMEH) [ 306.073562] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 306.075865] 31*64kB [ 306.080182] ? graph_lock+0x170/0x170 [ 306.082498] (UMH) [ 306.086655] ? enqueue_hrtimer+0x1a5/0x560 [ 306.088865] 3*128kB (H) [ 306.092852] ? lock_release+0x970/0x970 [ 306.095155] 1*256kB [ 306.100599] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 306.102818] (H) [ 306.107056] ? find_held_lock+0x36/0x1c0 [ 306.109444] 0*512kB [ 306.113676] ? graph_lock+0x170/0x170 [ 306.115894] 0*1024kB [ 306.119703] ? pvclock_read_flags+0x160/0x160 [ 306.122005] 0*2048kB [ 306.127370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.129588] 0*4096kB [ 306.134601] ? check_preemption_disabled+0x48/0x200 [ 306.136901] = 13920kB [ 306.140753] ? __lock_is_held+0xb5/0x140 [ 306.142889] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 306.147133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.149789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 306.153762] ? check_preemption_disabled+0x48/0x200 [ 306.156090] 414 total pagecache pages [ 306.161277] run_timer_softirq+0x52/0xb0 [ 306.163239] 0 pages in swap cache [ 306.167288] ? rcu_read_lock_sched_held+0x108/0x120 [ 306.169587] Swap cache stats: add 0, delete 0, find 0/0 [ 306.169596] Free swap = 0kB [ 306.173394] __do_softirq+0x30b/0xad8 [ 306.175785] Total swap = 0kB [ 306.180284] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 306.182667] 1965979 pages RAM [ 306.188201] ? pvclock_read_flags+0x160/0x160 [ 306.190593] 0 pages HighMem/MovableOnly [ 306.190603] 342744 pages reserved [ 306.195616] ? lapic_next_event+0x5a/0x90 [ 306.198014] 0 pages cma reserved [ 306.202077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.211000] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 306.216449] ? check_preemption_disabled+0x48/0x200 [ 306.225604] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 306.230510] ? check_preemption_disabled+0x48/0x200 [ 306.234287] syz-fuzzer cpuset= [ 306.238351] ? kvm_clock_read+0x18/0x30 [ 306.241784] / [ 306.246804] ? kvm_sched_clock_read+0x9/0x20 [ 306.252150] mems_allowed=0 [ 306.255171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.343444] ? check_preemption_disabled+0x48/0x200 [ 306.348480] irq_exit+0x17f/0x1c0 [ 306.351945] smp_apic_timer_interrupt+0x1cb/0x760 [ 306.356792] ? smp_reschedule_interrupt+0x109/0x650 [ 306.361817] ? smp_call_function_single_interrupt+0x650/0x650 [ 306.367702] ? interrupt_entry+0xb5/0xf0 [ 306.371772] ? trace_hardirqs_off_caller+0xbb/0x300 [ 306.376791] ? trace_hardirqs_off_caller+0xbb/0x300 [ 306.381814] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.386659] ? trace_hardirqs_off+0x300/0x300 [ 306.391160] ? trace_hardirqs_off+0x300/0x300 [ 306.395662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.401202] ? check_preemption_disabled+0x48/0x200 [ 306.406218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.411769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.416624] apic_timer_interrupt+0xf/0x20 [ 306.420854] [ 306.423444] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 306.428380] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 306.447287] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 306.455006] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 306.462277] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 306.469555] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 306.476826] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 306.484126] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 306.491444] skb_clone+0x1bb/0x500 [ 306.494995] ? finish_task_switch+0x2f5/0x900 [ 306.499497] ? skb_split+0x11e0/0x11e0 [ 306.503388] ? preempt_notifier_register+0x200/0x200 [ 306.508494] ? __switch_to_asm+0x34/0x70 [ 306.512561] ? __switch_to_asm+0x34/0x70 [ 306.516625] ? __switch_to_asm+0x40/0x70 [ 306.520689] ? __switch_to_asm+0x34/0x70 [ 306.524848] ? __switch_to_asm+0x40/0x70 [ 306.528909] ? __switch_to_asm+0x34/0x70 [ 306.532974] ? __switch_to_asm+0x40/0x70 [ 306.537035] ? __switch_to_asm+0x34/0x70 [ 306.541102] ? __switch_to_asm+0x34/0x70 [ 306.545163] ? __switch_to_asm+0x40/0x70 [ 306.549223] ? __switch_to_asm+0x34/0x70 [ 306.553322] bpf_clone_redirect+0xb9/0x490 [ 306.557565] ? __schedule+0x874/0x1ed0 [ 306.561459] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 306.566480] ? __sched_text_start+0x8/0x8 [ 306.570633] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.575405] ? find_held_lock+0x36/0x1c0 [ 306.579479] ? lock_acquire+0x1ed/0x520 [ 306.583453] ? bpf_test_run+0x32e/0x5a0 [ 306.587435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.592978] ? check_preemption_disabled+0x48/0x200 [ 306.598007] ? kasan_check_read+0x11/0x20 [ 306.602160] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.607441] ? rcu_bh_qs+0xc0/0xc0 [ 306.610986] ? preempt_schedule+0x4d/0x60 [ 306.615141] ? ___preempt_schedule+0x16/0x18 [ 306.619558] ? bpf_test_run+0x1c0/0x5a0 [ 306.623538] ? netlink_diag_dump+0x2a0/0x2a0 [ 306.627949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.633490] ? bpf_test_init.isra.9+0x70/0x100 [ 306.638080] ? bpf_prog_test_run_skb+0x634/0xb40 [ 306.642849] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 306.647695] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 306.653233] ? fput+0x130/0x1a0 [ 306.656519] ? __bpf_prog_get+0x9b/0x290 [ 306.660584] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 306.665429] ? bpf_prog_test_run+0x130/0x1a0 [ 306.669843] ? __x64_sys_bpf+0x3d8/0x510 [ 306.673910] ? bpf_prog_get+0x20/0x20 [ 306.677727] ? ksys_ioctl+0x81/0xd0 [ 306.681366] ? do_syscall_64+0x1b9/0x820 [ 306.685430] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 306.690808] ? syscall_return_slowpath+0x5e0/0x5e0 [ 306.695767] ? trace_hardirqs_off+0x300/0x300 [ 306.700265] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 306.705287] ? recalc_sigpending_tsk+0x180/0x180 [ 306.710055] ? kasan_check_write+0x14/0x20 [ 306.714299] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.719176] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 306.724573] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 306.724643] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 306.731522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.731528] Call Trace: [ 306.731535] [ 306.731551] dump_stack+0x1c4/0x2b4 [ 306.731568] ? dump_stack_print_info.cold.2+0x52/0x52 [ 306.731595] warn_alloc.cold.118+0xb7/0x1bd [ 306.738216] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 306.747515] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.750078] syz-executor7 cpuset= [ 306.752225] ? lock_downgrade+0x900/0x900 [ 306.755839] syz7 [ 306.761029] ? trace_hardirqs_off+0xb8/0x300 [ 306.765328] mems_allowed=0 [ 306.775824] ? trace_hardirqs_off+0xb8/0x300 [ 306.801958] __alloc_pages_slowpath+0x2667/0x2d80 [ 306.806838] ? warn_alloc+0x120/0x120 [ 306.810648] ? trace_hardirqs_on+0x310/0x310 [ 306.815059] ? warn_alloc+0x120/0x120 [ 306.818864] ? print_usage_bug+0xc0/0xc0 [ 306.822962] ? warn_alloc+0x120/0x120 [ 306.827032] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 306.832057] ? print_usage_bug+0xc0/0xc0 [ 306.836123] ? __lock_acquire+0x7ec/0x4ec0 [ 306.840362] ? __lock_acquire+0x7ec/0x4ec0 [ 306.844601] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.850159] ? should_fail+0x22d/0xd01 [ 306.854066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.859178] ? __lock_acquire+0x7ec/0x4ec0 [ 306.863605] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.868717] ? __lock_acquire+0x7ec/0x4ec0 [ 306.872953] ? should_fail+0x22d/0xd01 [ 306.876859] ? print_usage_bug+0xc0/0xc0 [ 306.880949] ? mark_held_locks+0x130/0x130 [ 306.885189] ? mark_held_locks+0x130/0x130 [ 306.889441] ? graph_lock+0x170/0x170 [ 306.893245] ? print_usage_bug+0xc0/0xc0 [ 306.897331] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.902093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.907641] ? check_preemption_disabled+0x48/0x200 [ 306.912661] ? check_preemption_disabled+0x48/0x200 [ 306.917691] ? __lock_is_held+0xb5/0x140 [ 306.921760] __alloc_pages_nodemask+0xa80/0xde0 [ 306.926956] ? graph_lock+0x170/0x170 [ 306.930769] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 306.935786] ? graph_lock+0x170/0x170 [ 306.939599] ? find_held_lock+0x36/0x1c0 [ 306.943682] ? ____cache_alloc_node+0x1c7/0x1e0 [ 306.948356] ? lock_downgrade+0x900/0x900 [ 306.952516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.958073] cache_grow_begin+0x91/0x8c0 [ 306.962138] ? do_raw_spin_unlock+0xa7/0x2f0 [ 306.966657] fallback_alloc+0x203/0x2e0 [ 306.970647] ____cache_alloc_node+0x1c7/0x1e0 [ 306.975157] kmem_cache_alloc_node+0xe3/0x730 [ 306.979660] ? ipv6_get_ifaddr+0x42e/0x620 [ 306.983908] __alloc_skb+0x119/0x770 [ 306.987632] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.992920] ? skb_scrub_packet+0x490/0x490 [ 306.997540] ? lock_downgrade+0x900/0x900 [ 307.001703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.007246] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.012794] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.018248] ? addrconf_rs_timer+0x6f0/0x6f0 [ 307.022687] ndisc_alloc_skb+0x144/0x340 [ 307.027244] ndisc_send_rs+0x331/0x6e0 [ 307.031138] addrconf_rs_timer+0x3c0/0x6f0 [ 307.035391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.039671] call_timer_fn+0x272/0x920 [ 307.043565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.047831] ? process_timeout+0x40/0x40 [ 307.051890] ? find_held_lock+0x36/0x1c0 [ 307.055979] ? mark_held_locks+0xc7/0x130 [ 307.060135] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.064636] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.069131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.073370] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 307.077956] ? trace_hardirqs_on+0xbd/0x310 [ 307.082279] ? kasan_check_read+0x11/0x20 [ 307.086436] ? __run_timers+0x7da/0xc70 [ 307.090424] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.095887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.100131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.104884] __run_timers+0x7e5/0xc70 [ 307.108705] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 307.114076] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 307.119097] ? graph_lock+0x170/0x170 [ 307.122904] ? print_usage_bug+0xc0/0xc0 [ 307.127486] ? lock_release+0x970/0x970 [ 307.131465] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 307.136668] ? find_held_lock+0x36/0x1c0 [ 307.140744] ? graph_lock+0x170/0x170 [ 307.146920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.152462] ? check_preemption_disabled+0x48/0x200 [ 307.157501] ? __lock_is_held+0xb5/0x140 [ 307.161563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.167128] ? check_preemption_disabled+0x48/0x200 [ 307.172154] run_timer_softirq+0x52/0xb0 [ 307.176248] ? rcu_read_lock_sched_held+0x108/0x120 [ 307.181269] __do_softirq+0x30b/0xad8 [ 307.185083] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 307.190197] ? pvclock_read_flags+0x160/0x160 [ 307.194703] ? lapic_next_event+0x5a/0x90 [ 307.198856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.204398] ? check_preemption_disabled+0x48/0x200 [ 307.209426] ? check_preemption_disabled+0x48/0x200 [ 307.214451] ? kvm_clock_read+0x18/0x30 [ 307.218433] ? kvm_sched_clock_read+0x9/0x20 [ 307.222854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.228551] ? check_preemption_disabled+0x48/0x200 [ 307.233587] irq_exit+0x17f/0x1c0 [ 307.237057] smp_apic_timer_interrupt+0x1cb/0x760 [ 307.241914] ? smp_reschedule_interrupt+0x109/0x650 [ 307.246948] ? smp_call_function_single_interrupt+0x650/0x650 [ 307.252874] ? interrupt_entry+0xb5/0xf0 [ 307.256973] ? trace_hardirqs_off_caller+0xbb/0x300 [ 307.262004] ? trace_hardirqs_off_caller+0xbb/0x300 [ 307.267024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.271873] ? trace_hardirqs_off+0x300/0x300 [ 307.276369] ? trace_hardirqs_off+0x300/0x300 [ 307.280866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.286407] ? check_preemption_disabled+0x48/0x200 [ 307.291447] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.296303] apic_timer_interrupt+0xf/0x20 [ 307.300544] [ 307.302784] RIP: 0010:console_unlock+0x1017/0x11a0 [ 307.307715] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 307.327131] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 307.334841] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 307.342109] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 307.349378] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 307.356654] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 307.363922] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 307.371208] ? netconsole_netdev_event+0x280/0x280 [ 307.376155] ? console_unlock+0x100e/0x11a0 [ 307.380501] ? devkmsg_read+0xbb0/0xbb0 [ 307.384481] ? vprintk_emit+0x7f7/0x930 [ 307.388459] ? lock_release+0x970/0x970 [ 307.392440] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.397893] ? vprintk_default+0x28/0x30 [ 307.401961] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.407420] ? kasan_check_write+0x14/0x20 [ 307.411664] ? do_raw_spin_lock+0xc1/0x200 [ 307.415912] vprintk_emit+0x33d/0x930 [ 307.419725] ? wake_up_klogd+0x180/0x180 [ 307.424268] ? find_held_lock+0x36/0x1c0 [ 307.428338] ? mark_held_locks+0xc7/0x130 [ 307.432491] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.436985] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.441492] vprintk_default+0x28/0x30 [ 307.445381] vprintk_func+0x7e/0x181 [ 307.449104] printk+0xa7/0xcf [ 307.452214] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 307.456975] ? _raw_spin_unlock_irq+0x60/0x80 [ 307.461489] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 307.466776] dump_header+0x7cc/0xf72 [ 307.470506] ? pagefault_out_of_memory+0x197/0x197 [ 307.475479] ? __lock_acquire+0x7ec/0x4ec0 [ 307.479721] ? print_usage_bug+0xc0/0xc0 [ 307.483808] ? graph_lock+0x170/0x170 [ 307.487612] ? graph_lock+0x170/0x170 [ 307.491429] ? print_usage_bug+0xc0/0xc0 [ 307.495498] ? print_usage_bug+0xc0/0xc0 [ 307.499577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.505155] ? find_held_lock+0x36/0x1c0 [ 307.509237] ? mark_held_locks+0xc7/0x130 [ 307.513392] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 307.518500] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 307.524080] ? lockdep_hardirqs_on+0x421/0x5c0 [ 307.528668] ? trace_hardirqs_on+0xbd/0x310 [ 307.532994] ? kasan_check_read+0x11/0x20 [ 307.537143] ? ___ratelimit+0x36f/0x655 [ 307.541147] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.546610] ? trace_hardirqs_on+0x310/0x310 [ 307.551028] ? lock_downgrade+0x900/0x900 [ 307.555187] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.560297] ? ___ratelimit+0xaa/0x655 [ 307.564193] ? idr_get_free+0xec0/0xec0 [ 307.568174] ? kasan_check_write+0x14/0x20 [ 307.572409] ? do_raw_spin_lock+0xc1/0x200 [ 307.576668] oom_kill_process.cold.27+0x10/0x903 [ 307.581430] ? graph_lock+0x170/0x170 [ 307.585231] ? _raw_spin_unlock+0x2c/0x50 [ 307.589382] ? oom_badness+0xe6/0xaa0 [ 307.593193] ? oom_evaluate_task+0x540/0x540 [ 307.597605] ? find_held_lock+0x36/0x1c0 [ 307.601683] ? out_of_memory+0x974/0x14c0 [ 307.605833] ? lock_downgrade+0x900/0x900 [ 307.609985] ? check_preemption_disabled+0x48/0x200 [ 307.615010] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 307.620809] ? kasan_check_read+0x11/0x20 [ 307.625482] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.630761] ? rcu_bh_qs+0xc0/0xc0 [ 307.634307] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 307.639855] ? oom_evaluate_task+0x302/0x540 [ 307.644272] out_of_memory+0xa86/0x14c0 [ 307.648257] ? oom_killer_disable+0x3a0/0x3a0 [ 307.652760] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 307.657698] ? __mutex_add_waiter+0x2a0/0x2a0 [ 307.662209] __alloc_pages_slowpath+0x2318/0x2d80 [ 307.667095] ? warn_alloc+0x120/0x120 [ 307.670902] ? __radix_tree_lookup+0x4c0/0x4c0 [ 307.675504] ? find_get_entry+0x2f2/0xc40 [ 307.679669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.685209] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 307.690142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.695686] ? should_fail+0x22d/0xd01 [ 307.699585] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.704692] ? __lock_is_held+0xb5/0x140 [ 307.708789] ? __lock_is_held+0xb5/0x140 [ 307.712858] ? find_held_lock+0x36/0x1c0 [ 307.716928] ? ___might_sleep+0x1ed/0x300 [ 307.721077] ? lock_release+0x970/0x970 [ 307.725567] ? arch_local_save_flags+0x40/0x40 [ 307.730162] ? __might_sleep+0x95/0x190 [ 307.734144] __alloc_pages_nodemask+0xa80/0xde0 [ 307.738823] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 307.743844] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 307.749648] ? kasan_check_read+0x11/0x20 [ 307.753800] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.759082] ? graph_lock+0x170/0x170 [ 307.762886] ? print_usage_bug+0xc0/0xc0 [ 307.766955] ? graph_lock+0x170/0x170 [ 307.770760] ? graph_lock+0x170/0x170 [ 307.774563] ? __do_page_cache_readahead+0x7ce/0x980 [ 307.779675] ? find_held_lock+0x36/0x1c0 [ 307.783745] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 307.789304] alloc_pages_current+0x10c/0x210 [ 307.793716] ? lock_downgrade+0x900/0x900 [ 307.797872] __page_cache_alloc+0x38f/0x5b0 [ 307.802202] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 307.807999] ? kasan_check_read+0x11/0x20 [ 307.812149] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.817522] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 307.822198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.828252] ? check_preemption_disabled+0x48/0x200 [ 307.833282] filemap_fault+0x1594/0x25f0 [ 307.837363] ? __lock_page_or_retry+0xa00/0xa00 [ 307.842040] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 307.847840] ? kasan_check_read+0x11/0x20 [ 307.851992] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.857272] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 307.862376] ? rcu_bh_qs+0xc0/0xc0 [ 307.865936] ? trace_hardirqs_on+0xbd/0x310 [ 307.870264] ? kasan_check_read+0x11/0x20 [ 307.874420] ? __free_object+0x173/0x340 [ 307.878501] ? filemap_map_pages+0xdea/0x1980 [ 307.883001] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.888439] ? __free_object+0x173/0x340 [ 307.892502] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 307.897781] ? debug_object_free+0x325/0x690 [ 307.902198] ? find_get_pages_range_tag+0x1320/0x1320 [ 307.907398] ? graph_lock+0x170/0x170 [ 307.911212] ? kasan_check_read+0x11/0x20 [ 307.915375] ? debug_object_destroy+0x2b0/0x2b0 [ 307.920055] ? lock_acquire+0x1ed/0x520 [ 307.924518] ? ext4_filemap_fault+0x7a/0xad [ 307.928850] ? lock_release+0x970/0x970 [ 307.932830] ? arch_local_save_flags+0x40/0x40 [ 307.937428] ? futex_wait_setup+0x3e0/0x3e0 [ 307.941769] ? down_read+0xb0/0x1d0 [ 307.945396] ? ext4_filemap_fault+0x7a/0xad [ 307.949727] ? __down_interruptible+0x700/0x700 [ 307.954425] ext4_filemap_fault+0x82/0xad [ 307.958590] __do_fault+0x100/0x6b0 [ 307.962232] ? print_bad_pte+0x6c0/0x6c0 [ 307.966299] ? do_futex+0x249/0x26d0 [ 307.970018] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.975473] ? kasan_check_read+0x11/0x20 [ 307.979632] ? pmd_val+0x88/0x100 [ 307.983097] ? add_mm_counter_fast+0xd0/0xd0 [ 307.987508] ? pmd_val+0x88/0x100 [ 307.990963] ? add_mm_counter_fast+0xd0/0xd0 [ 307.995374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.000914] __handle_mm_fault+0x3709/0x53e0 [ 308.005337] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 308.010186] ? graph_lock+0x170/0x170 [ 308.013989] ? print_usage_bug+0xc0/0xc0 [ 308.018048] ? lockdep_hardirqs_on+0x421/0x5c0 [ 308.022639] ? graph_lock+0x170/0x170 [ 308.026945] ? graph_lock+0x170/0x170 [ 308.030783] ? handle_mm_fault+0x42a/0xc70 [ 308.035019] ? lock_downgrade+0x900/0x900 [ 308.039169] ? check_preemption_disabled+0x48/0x200 [ 308.044193] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 308.049995] ? kasan_check_read+0x11/0x20 [ 308.054149] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.059438] ? rcu_bh_qs+0xc0/0xc0 [ 308.062992] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.068448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.073988] ? check_preemption_disabled+0x48/0x200 [ 308.079020] handle_mm_fault+0x54f/0xc70 [ 308.083088] ? __handle_mm_fault+0x53e0/0x53e0 [ 308.087681] ? find_vma+0x34/0x190 [ 308.091233] __do_page_fault+0x67d/0xed0 [ 308.095305] ? mm_fault_error+0x380/0x380 [ 308.099454] ? trace_hardirqs_off+0xb8/0x300 [ 308.103875] ? trace_hardirqs_on+0x310/0x310 [ 308.108300] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 308.113666] ? trace_hardirqs_on+0x310/0x310 [ 308.118097] do_page_fault+0xf2/0x7e0 [ 308.121904] ? vmalloc_sync_all+0x30/0x30 [ 308.126520] ? error_entry+0x70/0xd0 [ 308.130238] ? trace_hardirqs_off_caller+0xbb/0x300 [ 308.135255] ? trace_hardirqs_on_caller+0xc0/0x300 [ 308.140188] ? syscall_return_slowpath+0x5e0/0x5e0 [ 308.145122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.149970] ? trace_hardirqs_off+0x300/0x300 [ 308.154465] ? trace_hardirqs_off_caller+0x300/0x300 [ 308.159589] ? prepare_exit_to_usermode+0x291/0x3b0 [ 308.165098] ? page_fault+0x8/0x30 [ 308.168650] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.173499] ? page_fault+0x8/0x30 [ 308.177043] page_fault+0x1e/0x30 [ 308.180495] RIP: 0033:0x45ddf3 [ 308.183695] Code: Bad RIP value. [ 308.187060] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 308.192430] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 308.199697] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 308.206964] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 308.214233] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 308.221503] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 308.229309] warn_alloc_show_mem: 1 callbacks suppressed [ 308.229321] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 308.229323] Mem-Info: [ 308.229352] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 308.229352] active_file:16 inactive_file:19 isolated_file:0 [ 308.229352] unevictable:0 dirty:0 writeback:0 unstable:0 [ 308.229352] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 308.229352] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 308.229352] free:13708 free_pcp:124 free_cma:0 [ 308.234702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.241896] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 308.244296] Call Trace: [ 308.277168] Node 0 [ 308.286522] [ 308.314224] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 308.316802] dump_stack+0x1c4/0x2b4 [ 308.319000] lowmem_reserve[]: 0 [ 308.321157] ? dump_stack_print_info.cold.2+0x52/0x52 [ 308.347158] 2817 6321 [ 308.350806] warn_alloc.cold.118+0xb7/0x1bd [ 308.354054] 6321 [ 308.359241] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 308.361727] Node 0 [ 308.366044] ? lock_downgrade+0x900/0x900 [ 308.368109] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 308.372935] ? trace_hardirqs_off+0xb8/0x300 [ 308.375134] lowmem_reserve[]: 0 [ 308.379304] ? trace_hardirqs_off+0xb8/0x300 [ 308.406267] 0 [ 308.410683] __alloc_pages_slowpath+0x2667/0x2d80 [ 308.413932] 3503 [ 308.418364] ? warn_alloc+0x120/0x120 [ 308.420125] 3503 [ 308.424970] ? warn_alloc+0x120/0x120 [ 308.430812] ? print_usage_bug+0xc0/0xc0 [ 308.432855] Node 0 [ 308.436655] ? warn_alloc+0x120/0x120 [ 308.440725] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 308.442949] ? print_usage_bug+0xc0/0xc0 [ 308.446758] lowmem_reserve[]: [ 308.474982] ? __lock_acquire+0x7ec/0x4ec0 [ 308.479023] 0 [ 308.482127] ? __lock_acquire+0x7ec/0x4ec0 [ 308.486340] 0 [ 308.488145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.492360] 0 [ 308.494162] ? should_fail+0x22d/0xd01 [ 308.499670] 0 [ 308.501477] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.505340] Node 0 [ 308.507144] ? __lock_acquire+0x7ec/0x4ec0 [ 308.512224] DMA: [ 308.514470] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.518682] 1*4kB [ 308.520742] ? __lock_acquire+0x7ec/0x4ec0 [ 308.526110] (U) [ 308.528262] ? should_fail+0x22d/0xd01 [ 308.532470] 0*8kB 0*16kB [ 308.534462] ? mark_held_locks+0x130/0x130 [ 308.538321] 1*32kB [ 308.541077] ? mark_held_locks+0x130/0x130 [ 308.545986] (U) [ 308.548219] ? graph_lock+0x170/0x170 [ 308.552438] 2*64kB (U) [ 308.554422] ? graph_lock+0x170/0x170 [ 308.558206] 1*128kB [ 308.560787] ? graph_lock+0x170/0x170 [ 308.564568] (U) [ 308.566889] ? print_usage_bug+0xc0/0xc0 [ 308.570665] 1*256kB [ 308.572667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.576707] (U) [ 308.579032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.584549] 0*512kB [ 308.586522] ? check_preemption_disabled+0x48/0x200 [ 308.592044] 1*1024kB [ 308.594366] ? check_preemption_disabled+0x48/0x200 [ 308.599358] (U) [ 308.601788] ? __lock_is_held+0xb5/0x140 [ 308.606793] 1*2048kB [ 308.608769] __alloc_pages_nodemask+0xa80/0xde0 [ 308.612806] (M) [ 308.615214] ? graph_lock+0x170/0x170 [ 308.619865] 3*4096kB [ 308.621838] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 308.626075] (M) = 15908kB [ 308.628495] ? graph_lock+0x170/0x170 [ 308.633492] Node 0 [ 308.636256] ? find_held_lock+0x36/0x1c0 [ 308.640031] DMA32: [ 308.642269] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.646304] 3*4kB [ 308.648538] ? lock_downgrade+0x900/0x900 [ 308.653183] (UM) [ 308.655337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.659459] 2*8kB [ 308.661531] cache_grow_begin+0x91/0x8c0 [ 308.667038] (M) 3*16kB [ 308.669197] ? do_raw_spin_unlock+0xa7/0x2f0 [ 308.673408] (UM) [ 308.676003] fallback_alloc+0x203/0x2e0 [ 308.680389] 3*32kB (M) [ 308.682466] ____cache_alloc_node+0x1c7/0x1e0 [ 308.686421] 3*64kB [ 308.688998] kmem_cache_alloc_node+0xe3/0x730 [ 308.693474] (UM) [ 308.695709] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.700183] 4*128kB [ 308.702249] __alloc_skb+0x119/0x770 [ 308.706458] (UM) [ 308.708785] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.712475] 3*256kB [ 308.714537] ? skb_scrub_packet+0x490/0x490 [ 308.719873] (M) 4*512kB [ 308.722205] ? lock_downgrade+0x900/0x900 [ 308.727018] (M) 3*1024kB [ 308.729702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.733823] (UM) [ 308.736580] ? refcount_sub_and_test_checked+0x203/0x310 [ 308.742090] 1*2048kB (M) [ 308.744178] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 308.749608] 4*4096kB [ 308.752365] ? addrconf_rs_timer+0x6f0/0x6f0 [ 308.757806] (M) [ 308.760226] ndisc_alloc_skb+0x144/0x340 [ 308.764612] = 25196kB [ 308.766585] ndisc_send_rs+0x331/0x6e0 [ 308.770631] Node 0 [ 308.773040] addrconf_rs_timer+0x3c0/0x6f0 [ 308.776901] Normal: 852*4kB [ 308.779154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.783367] (UMEH) [ 308.786394] call_timer_fn+0x272/0x920 [ 308.790598] 324*8kB [ 308.792832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.796696] (UMEH) [ 308.799025] ? process_timeout+0x40/0x40 [ 308.803236] 169*16kB [ 308.805470] ? find_held_lock+0x36/0x1c0 [ 308.809509] (UMEH) [ 308.811925] ? __run_timers+0x7da/0xc70 [ 308.815957] 81*32kB [ 308.818191] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.822144] (UMEH) [ 308.824464] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.828939] 31*64kB (UMH) [ 308.831183] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.835656] 3*128kB [ 308.838499] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 308.842711] (H) [ 308.845035] ? trace_hardirqs_on+0xbd/0x310 [ 308.849593] 1*256kB [ 308.851572] ? kasan_check_read+0x11/0x20 [ 308.855872] (H) [ 308.858196] ? __run_timers+0x7da/0xc70 [ 308.862322] 0*512kB [ 308.864297] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.868253] 0*1024kB [ 308.870576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.876006] 0*2048kB 0*4096kB [ 308.878451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.882664] = 13920kB [ 308.885863] __run_timers+0x7e5/0xc70 [ 308.890084] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 308.892497] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 308.896271] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 308.905121] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.910465] 414 total pagecache pages [ 308.919040] ? graph_lock+0x170/0x170 [ 308.924547] 0 pages in swap cache [ 308.928339] ? enqueue_hrtimer+0x1a5/0x560 [ 308.932118] Swap cache stats: add 0, delete 0, find 0/0 [ 308.932139] Free swap = 0kB [ 308.935602] ? lock_release+0x970/0x970 [ 308.939814] Total swap = 0kB [ 308.945173] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 308.948172] 1965979 pages RAM [ 308.952146] ? find_held_lock+0x36/0x1c0 [ 308.955135] 0 pages HighMem/MovableOnly [ 308.955144] 342744 pages reserved [ 308.960354] ? graph_lock+0x170/0x170 [ 308.963438] 0 pages cma reserved [ 308.963526] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 308.967508] ? pvclock_read_flags+0x160/0x160 [ 308.971556] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 308.974922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.978698] syz-fuzzer cpuset= [ 308.982073] ? check_preemption_disabled+0x48/0x200 [ 308.988541] / [ 308.993040] ? __lock_is_held+0xb5/0x140 [ 309.003374] mems_allowed=0 [ 309.025869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.031408] ? check_preemption_disabled+0x48/0x200 [ 309.036455] run_timer_softirq+0x52/0xb0 [ 309.040522] ? rcu_read_lock_sched_held+0x108/0x120 [ 309.045565] __do_softirq+0x30b/0xad8 [ 309.049381] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 309.054506] ? pvclock_read_flags+0x160/0x160 [ 309.058999] ? lapic_next_event+0x5a/0x90 [ 309.063150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.068721] ? check_preemption_disabled+0x48/0x200 [ 309.073744] ? check_preemption_disabled+0x48/0x200 [ 309.078767] ? kvm_clock_read+0x18/0x30 [ 309.082744] ? kvm_sched_clock_read+0x9/0x20 [ 309.087157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.092740] ? check_preemption_disabled+0x48/0x200 [ 309.097784] irq_exit+0x17f/0x1c0 [ 309.101244] smp_apic_timer_interrupt+0x1cb/0x760 [ 309.106322] ? smp_reschedule_interrupt+0x109/0x650 [ 309.111344] ? smp_call_function_single_interrupt+0x650/0x650 [ 309.117229] ? interrupt_entry+0xb5/0xf0 [ 309.121293] ? trace_hardirqs_off_caller+0xbb/0x300 [ 309.126315] ? trace_hardirqs_off_caller+0xbb/0x300 [ 309.131335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.136186] ? trace_hardirqs_off+0x300/0x300 [ 309.140687] ? trace_hardirqs_off+0x300/0x300 [ 309.145189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.150731] ? check_preemption_disabled+0x48/0x200 [ 309.155747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.161293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.166148] apic_timer_interrupt+0xf/0x20 [ 309.170375] [ 309.172619] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 309.177575] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 309.196473] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 309.204188] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 309.211464] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 309.218734] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 309.225999] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 309.233266] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 309.240583] skb_clone+0x1bb/0x500 [ 309.244131] ? finish_task_switch+0x2f5/0x900 [ 309.248631] ? skb_split+0x11e0/0x11e0 [ 309.252534] ? preempt_notifier_register+0x200/0x200 [ 309.257653] ? __switch_to_asm+0x34/0x70 [ 309.261721] ? __switch_to_asm+0x34/0x70 [ 309.265781] ? __switch_to_asm+0x40/0x70 [ 309.269842] ? __switch_to_asm+0x34/0x70 [ 309.273906] ? __switch_to_asm+0x40/0x70 [ 309.277976] ? __switch_to_asm+0x34/0x70 [ 309.282035] ? __switch_to_asm+0x40/0x70 [ 309.286098] ? __switch_to_asm+0x34/0x70 [ 309.290161] ? __switch_to_asm+0x34/0x70 [ 309.294247] ? __switch_to_asm+0x40/0x70 [ 309.298320] ? __switch_to_asm+0x34/0x70 [ 309.302392] bpf_clone_redirect+0xb9/0x490 [ 309.306631] ? __schedule+0x874/0x1ed0 [ 309.310527] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 309.315558] ? __sched_text_start+0x8/0x8 [ 309.319722] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.324495] ? find_held_lock+0x36/0x1c0 [ 309.328566] ? lock_acquire+0x1ed/0x520 [ 309.332569] ? bpf_test_run+0x32e/0x5a0 [ 309.336556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.342226] ? check_preemption_disabled+0x48/0x200 [ 309.347274] ? kasan_check_read+0x11/0x20 [ 309.351423] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.356705] ? rcu_bh_qs+0xc0/0xc0 [ 309.360248] ? preempt_schedule+0x4d/0x60 [ 309.364409] ? ___preempt_schedule+0x16/0x18 [ 309.368826] ? bpf_test_run+0x1c0/0x5a0 [ 309.372813] ? netlink_diag_dump+0x2a0/0x2a0 [ 309.377253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.382794] ? bpf_test_init.isra.9+0x70/0x100 [ 309.387380] ? bpf_prog_test_run_skb+0x634/0xb40 [ 309.392144] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 309.396990] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 309.402525] ? fput+0x130/0x1a0 [ 309.405806] ? __bpf_prog_get+0x9b/0x290 [ 309.409867] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 309.414719] ? bpf_prog_test_run+0x130/0x1a0 [ 309.419154] ? __x64_sys_bpf+0x3d8/0x510 [ 309.423218] ? bpf_prog_get+0x20/0x20 [ 309.427029] ? ksys_ioctl+0x81/0xd0 [ 309.430671] ? do_syscall_64+0x1b9/0x820 [ 309.434731] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 309.440332] ? syscall_return_slowpath+0x5e0/0x5e0 [ 309.445269] ? trace_hardirqs_off+0x300/0x300 [ 309.449767] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 309.454785] ? recalc_sigpending_tsk+0x180/0x180 [ 309.459544] ? kasan_check_write+0x14/0x20 [ 309.463803] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.468655] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 309.474051] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 309.474129] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.480990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.480995] Call Trace: [ 309.481002] [ 309.481017] dump_stack+0x1c4/0x2b4 [ 309.481038] ? dump_stack_print_info.cold.2+0x52/0x52 [ 309.487572] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.496878] warn_alloc.cold.118+0xb7/0x1bd [ 309.499432] syz-executor7 cpuset= [ 309.501578] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.505184] syz7 [ 309.510372] ? lock_downgrade+0x900/0x900 [ 309.520837] mems_allowed=0 [ 309.525155] ? trace_hardirqs_off+0xb8/0x300 [ 309.547274] ? trace_hardirqs_off+0xb8/0x300 [ 309.551698] __alloc_pages_slowpath+0x2667/0x2d80 [ 309.556575] ? warn_alloc+0x120/0x120 [ 309.560381] ? trace_hardirqs_on+0x310/0x310 [ 309.564805] ? warn_alloc+0x120/0x120 [ 309.568632] ? print_usage_bug+0xc0/0xc0 [ 309.572699] ? warn_alloc+0x120/0x120 [ 309.576531] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 309.581554] ? print_usage_bug+0xc0/0xc0 [ 309.585617] ? __lock_acquire+0x7ec/0x4ec0 [ 309.589874] ? __lock_acquire+0x7ec/0x4ec0 [ 309.594116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.599658] ? should_fail+0x22d/0xd01 [ 309.603550] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.608682] ? __lock_acquire+0x7ec/0x4ec0 [ 309.612965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.618072] ? __lock_acquire+0x7ec/0x4ec0 [ 309.622306] ? should_fail+0x22d/0xd01 [ 309.626195] ? print_usage_bug+0xc0/0xc0 [ 309.630270] ? mark_held_locks+0x130/0x130 [ 309.634513] ? mark_held_locks+0x130/0x130 [ 309.639280] ? graph_lock+0x170/0x170 [ 309.643082] ? print_usage_bug+0xc0/0xc0 [ 309.647147] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.651911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.657456] ? check_preemption_disabled+0x48/0x200 [ 309.662476] ? check_preemption_disabled+0x48/0x200 [ 309.667510] ? __lock_is_held+0xb5/0x140 [ 309.671582] __alloc_pages_nodemask+0xa80/0xde0 [ 309.676250] ? graph_lock+0x170/0x170 [ 309.680058] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 309.685075] ? graph_lock+0x170/0x170 [ 309.688884] ? find_held_lock+0x36/0x1c0 [ 309.692955] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.697638] ? lock_downgrade+0x900/0x900 [ 309.701796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.707362] cache_grow_begin+0x91/0x8c0 [ 309.711486] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.715897] fallback_alloc+0x203/0x2e0 [ 309.719901] ____cache_alloc_node+0x1c7/0x1e0 [ 309.724400] kmem_cache_alloc_node+0xe3/0x730 [ 309.728906] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.733160] __alloc_skb+0x119/0x770 [ 309.736878] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.742662] ? skb_scrub_packet+0x490/0x490 [ 309.746985] ? lock_downgrade+0x900/0x900 [ 309.751145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.756707] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.762187] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.767647] ? addrconf_rs_timer+0x6f0/0x6f0 [ 309.772075] ndisc_alloc_skb+0x144/0x340 [ 309.776143] ndisc_send_rs+0x331/0x6e0 [ 309.780038] addrconf_rs_timer+0x3c0/0x6f0 [ 309.784286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.788534] call_timer_fn+0x272/0x920 [ 309.792446] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.796712] ? process_timeout+0x40/0x40 [ 309.800781] ? find_held_lock+0x36/0x1c0 [ 309.804853] ? mark_held_locks+0xc7/0x130 [ 309.809010] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.813505] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.818002] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.822260] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 309.826876] ? trace_hardirqs_on+0xbd/0x310 [ 309.831313] ? kasan_check_read+0x11/0x20 [ 309.835463] ? __run_timers+0x7da/0xc70 [ 309.839962] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.845428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.849672] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.853911] __run_timers+0x7e5/0xc70 [ 309.857730] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 309.863098] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 309.868121] ? graph_lock+0x170/0x170 [ 309.871928] ? print_usage_bug+0xc0/0xc0 [ 309.875998] ? lock_release+0x970/0x970 [ 309.879996] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 309.885193] ? find_held_lock+0x36/0x1c0 [ 309.889259] ? graph_lock+0x170/0x170 [ 309.893066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.898608] ? check_preemption_disabled+0x48/0x200 [ 309.903655] ? __lock_is_held+0xb5/0x140 [ 309.907720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.913266] ? check_preemption_disabled+0x48/0x200 [ 309.918304] run_timer_softirq+0x52/0xb0 [ 309.922367] ? rcu_read_lock_sched_held+0x108/0x120 [ 309.927385] __do_softirq+0x30b/0xad8 [ 309.931203] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 309.936314] ? pvclock_read_flags+0x160/0x160 [ 309.941281] ? lapic_next_event+0x5a/0x90 [ 309.945450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.950993] ? check_preemption_disabled+0x48/0x200 [ 309.956013] ? check_preemption_disabled+0x48/0x200 [ 309.961041] ? kvm_clock_read+0x18/0x30 [ 309.965019] ? kvm_sched_clock_read+0x9/0x20 [ 309.969438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.974994] ? check_preemption_disabled+0x48/0x200 [ 309.980026] irq_exit+0x17f/0x1c0 [ 309.983491] smp_apic_timer_interrupt+0x1cb/0x760 [ 309.988334] ? smp_reschedule_interrupt+0x109/0x650 [ 309.993350] ? smp_call_function_single_interrupt+0x650/0x650 [ 309.999244] ? interrupt_entry+0xb5/0xf0 [ 310.003308] ? trace_hardirqs_off_caller+0xbb/0x300 [ 310.008337] ? trace_hardirqs_off_caller+0xbb/0x300 [ 310.013373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.018221] ? trace_hardirqs_off+0x300/0x300 [ 310.022718] ? trace_hardirqs_off+0x300/0x300 [ 310.027224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.032767] ? check_preemption_disabled+0x48/0x200 [ 310.037799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.043176] apic_timer_interrupt+0xf/0x20 [ 310.047409] [ 310.049662] RIP: 0010:console_unlock+0x1017/0x11a0 [ 310.054621] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 310.073554] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 310.081266] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 310.088533] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 310.095804] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 310.103086] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 310.110455] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 310.117738] ? netconsole_netdev_event+0x280/0x280 [ 310.122709] ? console_unlock+0x100e/0x11a0 [ 310.127058] ? devkmsg_read+0xbb0/0xbb0 [ 310.131033] ? vprintk_emit+0x7f7/0x930 [ 310.135012] ? lock_release+0x970/0x970 [ 310.139449] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.144915] ? vprintk_default+0x28/0x30 [ 310.148986] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.154445] ? kasan_check_write+0x14/0x20 [ 310.158684] ? do_raw_spin_lock+0xc1/0x200 [ 310.162940] vprintk_emit+0x33d/0x930 [ 310.166752] ? wake_up_klogd+0x180/0x180 [ 310.170826] ? find_held_lock+0x36/0x1c0 [ 310.174898] ? mark_held_locks+0xc7/0x130 [ 310.179066] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.183564] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.188072] vprintk_default+0x28/0x30 [ 310.191972] vprintk_func+0x7e/0x181 [ 310.195718] printk+0xa7/0xcf [ 310.198842] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 310.203602] ? _raw_spin_unlock_irq+0x60/0x80 [ 310.208118] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 310.213404] dump_header+0x7cc/0xf72 [ 310.217150] ? pagefault_out_of_memory+0x197/0x197 [ 310.222087] ? __lock_acquire+0x7ec/0x4ec0 [ 310.226355] ? print_usage_bug+0xc0/0xc0 [ 310.230441] ? graph_lock+0x170/0x170 [ 310.234240] ? graph_lock+0x170/0x170 [ 310.238466] ? print_usage_bug+0xc0/0xc0 [ 310.242556] ? print_usage_bug+0xc0/0xc0 [ 310.246641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.252188] ? find_held_lock+0x36/0x1c0 [ 310.256257] ? mark_held_locks+0xc7/0x130 [ 310.260408] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 310.265532] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 310.270646] ? lockdep_hardirqs_on+0x421/0x5c0 [ 310.275240] ? trace_hardirqs_on+0xbd/0x310 [ 310.279564] ? kasan_check_read+0x11/0x20 [ 310.283715] ? ___ratelimit+0x36f/0x655 [ 310.287708] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.293171] ? trace_hardirqs_on+0x310/0x310 [ 310.297579] ? lock_downgrade+0x900/0x900 [ 310.301731] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 310.306836] ? ___ratelimit+0xaa/0x655 [ 310.310731] ? idr_get_free+0xec0/0xec0 [ 310.314709] ? kasan_check_write+0x14/0x20 [ 310.318953] ? do_raw_spin_lock+0xc1/0x200 [ 310.323198] oom_kill_process.cold.27+0x10/0x903 [ 310.327963] ? graph_lock+0x170/0x170 [ 310.331784] ? _raw_spin_unlock+0x2c/0x50 [ 310.335957] ? oom_badness+0xe6/0xaa0 [ 310.340224] ? oom_evaluate_task+0x540/0x540 [ 310.344647] ? find_held_lock+0x36/0x1c0 [ 310.348719] ? out_of_memory+0x974/0x14c0 [ 310.352870] ? lock_downgrade+0x900/0x900 [ 310.357032] ? check_preemption_disabled+0x48/0x200 [ 310.362058] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 310.367858] ? kasan_check_read+0x11/0x20 [ 310.372014] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.377429] ? rcu_bh_qs+0xc0/0xc0 [ 310.380996] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.386537] ? oom_evaluate_task+0x302/0x540 [ 310.390953] out_of_memory+0xa86/0x14c0 [ 310.394943] ? oom_killer_disable+0x3a0/0x3a0 [ 310.399452] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 310.404389] ? __mutex_add_waiter+0x2a0/0x2a0 [ 310.408903] __alloc_pages_slowpath+0x2318/0x2d80 [ 310.413782] ? warn_alloc+0x120/0x120 [ 310.417599] ? __radix_tree_lookup+0x4c0/0x4c0 [ 310.422212] ? find_get_entry+0x2f2/0xc40 [ 310.426376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.432264] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 310.437210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.443258] ? should_fail+0x22d/0xd01 [ 310.447154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.452258] ? __lock_is_held+0xb5/0x140 [ 310.456349] ? __lock_is_held+0xb5/0x140 [ 310.460525] ? find_held_lock+0x36/0x1c0 [ 310.464616] ? ___might_sleep+0x1ed/0x300 [ 310.468771] ? lock_release+0x970/0x970 [ 310.472758] ? arch_local_save_flags+0x40/0x40 [ 310.477354] ? __might_sleep+0x95/0x190 [ 310.481348] __alloc_pages_nodemask+0xa80/0xde0 [ 310.486028] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 310.491050] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 310.496858] ? kasan_check_read+0x11/0x20 [ 310.501018] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.506298] ? graph_lock+0x170/0x170 [ 310.510103] ? print_usage_bug+0xc0/0xc0 [ 310.514168] ? graph_lock+0x170/0x170 [ 310.517975] ? graph_lock+0x170/0x170 [ 310.521777] ? __do_page_cache_readahead+0x7ce/0x980 [ 310.526923] ? find_held_lock+0x36/0x1c0 [ 310.530996] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 310.536542] alloc_pages_current+0x10c/0x210 [ 310.541254] ? lock_downgrade+0x900/0x900 [ 310.545435] __page_cache_alloc+0x38f/0x5b0 [ 310.549782] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 310.555582] ? kasan_check_read+0x11/0x20 [ 310.559734] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.565017] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 310.569693] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.575237] ? check_preemption_disabled+0x48/0x200 [ 310.580264] filemap_fault+0x1594/0x25f0 [ 310.584354] ? __lock_page_or_retry+0xa00/0xa00 [ 310.589026] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 310.594830] ? kasan_check_read+0x11/0x20 [ 310.598980] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.604260] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 310.609380] ? rcu_bh_qs+0xc0/0xc0 [ 310.612954] ? trace_hardirqs_on+0xbd/0x310 [ 310.617296] ? kasan_check_read+0x11/0x20 [ 310.621446] ? __free_object+0x173/0x340 [ 310.625542] ? filemap_map_pages+0xdea/0x1980 [ 310.630100] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 310.635202] ? __free_object+0x173/0x340 [ 310.639785] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 310.645060] ? debug_object_free+0x325/0x690 [ 310.649487] ? find_get_pages_range_tag+0x1320/0x1320 [ 310.654702] ? graph_lock+0x170/0x170 [ 310.658512] ? kasan_check_read+0x11/0x20 [ 310.662661] ? debug_object_destroy+0x2b0/0x2b0 [ 310.667339] ? lock_acquire+0x1ed/0x520 [ 310.671325] ? ext4_filemap_fault+0x7a/0xad [ 310.675663] ? lock_release+0x970/0x970 [ 310.679647] ? arch_local_save_flags+0x40/0x40 [ 310.684237] ? futex_wait_setup+0x3e0/0x3e0 [ 310.688570] ? down_read+0xb0/0x1d0 [ 310.692197] ? ext4_filemap_fault+0x7a/0xad [ 310.696529] ? __down_interruptible+0x700/0x700 [ 310.701217] ext4_filemap_fault+0x82/0xad [ 310.705370] __do_fault+0x100/0x6b0 [ 310.709004] ? print_bad_pte+0x6c0/0x6c0 [ 310.713081] ? do_futex+0x249/0x26d0 [ 310.716799] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.722256] ? kasan_check_read+0x11/0x20 [ 310.726404] ? pmd_val+0x88/0x100 [ 310.729868] ? add_mm_counter_fast+0xd0/0xd0 [ 310.734273] ? pmd_val+0x88/0x100 [ 310.737727] ? add_mm_counter_fast+0xd0/0xd0 [ 310.742655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.748204] __handle_mm_fault+0x3709/0x53e0 [ 310.752651] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 310.757503] ? graph_lock+0x170/0x170 [ 310.761330] ? print_usage_bug+0xc0/0xc0 [ 310.765403] ? lockdep_hardirqs_on+0x421/0x5c0 [ 310.769995] ? graph_lock+0x170/0x170 [ 310.773798] ? graph_lock+0x170/0x170 [ 310.777617] ? handle_mm_fault+0x42a/0xc70 [ 310.781864] ? lock_downgrade+0x900/0x900 [ 310.786014] ? check_preemption_disabled+0x48/0x200 [ 310.791049] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 310.796860] ? kasan_check_read+0x11/0x20 [ 310.801009] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.806286] ? rcu_bh_qs+0xc0/0xc0 [ 310.809830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.815285] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.820829] ? check_preemption_disabled+0x48/0x200 [ 310.825865] handle_mm_fault+0x54f/0xc70 [ 310.829939] ? __handle_mm_fault+0x53e0/0x53e0 [ 310.834525] ? find_vma+0x34/0x190 [ 310.838470] __do_page_fault+0x67d/0xed0 [ 310.842558] ? mm_fault_error+0x380/0x380 [ 310.846716] ? trace_hardirqs_off+0xb8/0x300 [ 310.851151] ? trace_hardirqs_on+0x310/0x310 [ 310.855558] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 310.860935] ? trace_hardirqs_on+0x310/0x310 [ 310.865356] do_page_fault+0xf2/0x7e0 [ 310.869160] ? vmalloc_sync_all+0x30/0x30 [ 310.873309] ? error_entry+0x70/0xd0 [ 310.877029] ? trace_hardirqs_off_caller+0xbb/0x300 [ 310.882058] ? trace_hardirqs_on_caller+0xc0/0x300 [ 310.887000] ? syscall_return_slowpath+0x5e0/0x5e0 [ 310.891929] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.896777] ? trace_hardirqs_off+0x300/0x300 [ 310.901286] ? trace_hardirqs_off_caller+0x300/0x300 [ 310.906406] ? prepare_exit_to_usermode+0x291/0x3b0 [ 310.911448] ? page_fault+0x8/0x30 [ 310.915003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.919868] ? page_fault+0x8/0x30 [ 310.923419] page_fault+0x1e/0x30 [ 310.926877] RIP: 0033:0x45ddf3 [ 310.930075] Code: Bad RIP value. [ 310.933446] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 310.939248] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 310.946517] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 310.953786] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 310.961058] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 310.968323] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 310.975620] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 310.975636] warn_alloc_show_mem: 1 callbacks suppressed [ 310.975641] Mem-Info: [ 310.982836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.988207] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 310.988207] active_file:16 inactive_file:19 isolated_file:0 [ 310.988207] unevictable:0 dirty:0 writeback:0 unstable:0 [ 310.988207] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 310.988207] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 310.988207] free:13708 free_pcp:124 free_cma:0 [ 310.990608] Call Trace: [ 311.000238] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 311.033113] [ 311.035692] Node 0 [ 311.063380] dump_stack+0x1c4/0x2b4 [ 311.065548] 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 [ 311.067764] ? dump_stack_print_info.cold.2+0x52/0x52 [ 311.071364] lowmem_reserve[]: [ 311.096889] warn_alloc.cold.118+0xb7/0x1bd [ 311.102063] 0 [ 311.105391] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 311.109693] 2817 [ 311.111511] ? lock_downgrade+0x900/0x900 [ 311.116323] 6321 6321 [ 311.118403] ? trace_hardirqs_off+0xb8/0x300 [ 311.125068] ? trace_hardirqs_off+0xb8/0x300 [ 311.129459] Node 0 DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 311.133892] __alloc_pages_slowpath+0x2667/0x2d80 [ 311.133942] ? warn_alloc+0x120/0x120 [ 311.161999] lowmem_reserve[]: [ 311.166867] ? warn_alloc+0x120/0x120 [ 311.170638] 0 [ 311.173756] ? print_usage_bug+0xc0/0xc0 [ 311.177533] 0 [ 311.179338] ? warn_alloc+0x120/0x120 [ 311.183378] 3503 [ 311.185190] ? print_usage_bug+0xc0/0xc0 [ 311.188968] 3503 [ 311.191040] ? __lock_acquire+0x7ec/0x4ec0 [ 311.197141] ? __lock_acquire+0x7ec/0x4ec0 [ 311.201355] Node 0 [ 311.205582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.205613] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 311.205621] lowmem_reserve[]: [ 311.207859] ? should_fail+0x22d/0xd01 [ 311.213370] 0 [ 311.241587] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.244677] 0 [ 311.248604] ? __lock_acquire+0x7ec/0x4ec0 [ 311.250401] 0 0 [ 311.255535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.261548] ? __lock_acquire+0x7ec/0x4ec0 [ 311.261566] ? should_fail+0x22d/0xd01 [ 311.263539] Node 0 [ 311.268685] ? mark_held_locks+0x130/0x130 [ 311.272891] DMA: 1*4kB [ 311.276808] ? mark_held_locks+0x130/0x130 [ 311.279043] (U) [ 311.283276] ? graph_lock+0x170/0x170 [ 311.288097] 0*8kB [ 311.292326] ? graph_lock+0x170/0x170 [ 311.294278] 0*16kB 1*32kB [ 311.298093] ? graph_lock+0x170/0x170 [ 311.300226] (U) [ 311.304023] ? print_usage_bug+0xc0/0xc0 [ 311.306844] 2*64kB (U) [ 311.310653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.312607] 1*128kB [ 311.316664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.319224] (U) [ 311.324759] ? check_preemption_disabled+0x48/0x200 [ 311.327060] 1*256kB [ 311.332679] ? check_preemption_disabled+0x48/0x200 [ 311.334632] (U) [ 311.339650] ? __lock_is_held+0xb5/0x140 [ 311.341958] 0*512kB [ 311.346978] __alloc_pages_nodemask+0xa80/0xde0 [ 311.348939] 1*1024kB [ 311.352999] ? graph_lock+0x170/0x170 [ 311.355304] (U) [ 311.359971] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 311.362362] 1*2048kB [ 311.366158] ? graph_lock+0x170/0x170 [ 311.368110] (M) [ 311.373130] ? find_held_lock+0x36/0x1c0 [ 311.375514] 3*4096kB [ 311.379318] ? ____cache_alloc_node+0x1c7/0x1e0 [ 311.381269] (M) [ 311.385330] ? lock_downgrade+0x900/0x900 [ 311.387715] = 15908kB [ 311.387724] Node 0 [ 311.392395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.394348] DMA32: [ 311.398492] cache_grow_begin+0x91/0x8c0 [ 311.400882] 3*4kB [ 311.403114] ? do_raw_spin_unlock+0xa7/0x2f0 [ 311.408630] (UM) [ 311.410863] fallback_alloc+0x203/0x2e0 [ 311.414893] 2*8kB (M) [ 311.417057] ____cache_alloc_node+0x1c7/0x1e0 [ 311.421444] 3*16kB [ 311.423506] kmem_cache_alloc_node+0xe3/0x730 [ 311.427451] (UM) [ 311.429952] ? ipv6_get_ifaddr+0x42e/0x620 [ 311.434423] 3*32kB [ 311.436659] __alloc_skb+0x119/0x770 [ 311.441593] (M) 3*64kB [ 311.443671] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.447876] (UM) [ 311.450118] ? skb_scrub_packet+0x490/0x490 [ 311.453802] 4*128kB (UM) [ 311.456394] ? lock_downgrade+0x900/0x900 [ 311.461646] 3*256kB (M) [ 311.463723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.468017] 4*512kB [ 311.470774] ? refcount_sub_and_test_checked+0x203/0x310 [ 311.474899] (M) [ 311.477577] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 311.483088] 3*1024kB [ 311.485409] ? addrconf_rs_timer+0x6f0/0x6f0 [ 311.490853] (UM) [ 311.492839] ndisc_alloc_skb+0x144/0x340 [ 311.498258] 1*2048kB [ 311.500672] ndisc_send_rs+0x331/0x6e0 [ 311.505052] (M) [ 311.507116] addrconf_rs_timer+0x3c0/0x6f0 [ 311.511152] 4*4096kB [ 311.513559] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.517421] (M) [ 311.519405] call_timer_fn+0x272/0x920 [ 311.523611] = 25196kB [ 311.523620] Node 0 [ 311.526030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.530241] Normal: [ 311.532222] ? process_timeout+0x40/0x40 [ 311.536086] 852*4kB [ 311.538487] ? find_held_lock+0x36/0x1c0 [ 311.538511] ? __run_timers+0x7da/0xc70 [ 311.540729] (UMEH) [ 311.544963] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.547264] 324*8kB [ 311.551321] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.553631] (UMEH) [ 311.557682] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.561632] 169*16kB [ 311.563868] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 311.568352] (UMEH) [ 311.570676] ? trace_hardirqs_on+0xbd/0x310 [ 311.575148] 81*32kB [ 311.577385] ? kasan_check_read+0x11/0x20 [ 311.581589] (UMEH) 31*64kB [ 311.584013] ? __run_timers+0x7da/0xc70 [ 311.588577] (UMH) [ 311.590814] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.595111] 3*128kB [ 311.597438] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.601562] (H) [ 311.604494] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.608444] 1*256kB [ 311.610590] __run_timers+0x7e5/0xc70 [ 311.616019] (H) [ 311.618353] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 311.622556] 0*512kB [ 311.624529] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 311.628737] 0*1024kB [ 311.631061] ? graph_lock+0x170/0x170 [ 311.634832] 0*2048kB 0*4096kB [ 311.636817] ? enqueue_hrtimer+0x1a5/0x560 [ 311.642648] = 13920kB [ 311.644971] ? lock_release+0x970/0x970 [ 311.649970] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 311.652371] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 311.656155] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 311.659348] ? find_held_lock+0x36/0x1c0 [ 311.663561] 414 total pagecache pages [ 311.663581] 0 pages in swap cache [ 311.665991] ? graph_lock+0x170/0x170 [ 311.669947] Swap cache stats: add 0, delete 0, find 0/0 [ 311.678787] ? pvclock_read_flags+0x160/0x160 [ 311.683961] Free swap = 0kB [ 311.692548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.696583] Total swap = 0kB [ 311.696593] 1965979 pages RAM [ 311.700400] ? check_preemption_disabled+0x48/0x200 [ 311.703831] 0 pages HighMem/MovableOnly [ 311.707735] ? __lock_is_held+0xb5/0x140 [ 311.713076] 342744 pages reserved [ 311.717569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.720567] 0 pages cma reserved [ 311.726099] ? check_preemption_disabled+0x48/0x200 [ 311.729186] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 311.732200] run_timer_softirq+0x52/0xb0 [ 311.737256] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 311.741165] ? rcu_read_lock_sched_held+0x108/0x120 [ 311.745206] syz-fuzzer cpuset= [ 311.748656] __do_softirq+0x30b/0xad8 [ 311.754171] / [ 311.757627] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 311.762657] mems_allowed=0 [ 311.769144] ? pvclock_read_flags+0x160/0x160 [ 311.809538] ? lapic_next_event+0x5a/0x90 [ 311.813694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.819249] ? check_preemption_disabled+0x48/0x200 [ 311.824265] ? check_preemption_disabled+0x48/0x200 [ 311.829291] ? kvm_clock_read+0x18/0x30 [ 311.833269] ? kvm_sched_clock_read+0x9/0x20 [ 311.837686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.843337] ? check_preemption_disabled+0x48/0x200 [ 311.848369] irq_exit+0x17f/0x1c0 [ 311.851827] smp_apic_timer_interrupt+0x1cb/0x760 [ 311.856670] ? smp_reschedule_interrupt+0x109/0x650 [ 311.861693] ? smp_call_function_single_interrupt+0x650/0x650 [ 311.867579] ? interrupt_entry+0xb5/0xf0 [ 311.871646] ? trace_hardirqs_off_caller+0xbb/0x300 [ 311.876665] ? trace_hardirqs_off_caller+0xbb/0x300 [ 311.881683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.886541] ? trace_hardirqs_off+0x300/0x300 [ 311.891031] ? trace_hardirqs_off+0x300/0x300 [ 311.895531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.901066] ? check_preemption_disabled+0x48/0x200 [ 311.906079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.911634] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.916512] apic_timer_interrupt+0xf/0x20 [ 311.920742] [ 311.922985] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 311.927922] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 311.946926] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 311.954637] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 311.961904] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 311.969199] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 311.976470] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 311.983745] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 311.991069] skb_clone+0x1bb/0x500 [ 311.994632] ? finish_task_switch+0x2f5/0x900 [ 311.999130] ? skb_split+0x11e0/0x11e0 [ 312.003018] ? preempt_notifier_register+0x200/0x200 [ 312.008136] ? __switch_to_asm+0x34/0x70 [ 312.012223] ? __switch_to_asm+0x34/0x70 [ 312.016296] ? __switch_to_asm+0x40/0x70 [ 312.020357] ? __switch_to_asm+0x34/0x70 [ 312.024414] ? __switch_to_asm+0x40/0x70 [ 312.028473] ? __switch_to_asm+0x34/0x70 [ 312.032634] ? __switch_to_asm+0x40/0x70 [ 312.036696] ? __switch_to_asm+0x34/0x70 [ 312.040870] ? __switch_to_asm+0x34/0x70 [ 312.044935] ? __switch_to_asm+0x40/0x70 [ 312.048999] ? __switch_to_asm+0x34/0x70 [ 312.053071] bpf_clone_redirect+0xb9/0x490 [ 312.057307] ? __schedule+0x874/0x1ed0 [ 312.061200] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 312.066222] ? __sched_text_start+0x8/0x8 [ 312.070373] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 312.075142] ? find_held_lock+0x36/0x1c0 [ 312.079223] ? lock_acquire+0x1ed/0x520 [ 312.083202] ? bpf_test_run+0x32e/0x5a0 [ 312.087190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.092734] ? check_preemption_disabled+0x48/0x200 [ 312.097771] ? kasan_check_read+0x11/0x20 [ 312.101928] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.107211] ? rcu_bh_qs+0xc0/0xc0 [ 312.110758] ? preempt_schedule+0x4d/0x60 [ 312.114905] ? ___preempt_schedule+0x16/0x18 [ 312.119355] ? bpf_test_run+0x1c0/0x5a0 [ 312.123365] ? netlink_diag_dump+0x2a0/0x2a0 [ 312.127778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.133315] ? bpf_test_init.isra.9+0x70/0x100 [ 312.137905] ? bpf_prog_test_run_skb+0x634/0xb40 [ 312.142937] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 312.147785] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.153322] ? fput+0x130/0x1a0 [ 312.156600] ? __bpf_prog_get+0x9b/0x290 [ 312.160662] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 312.165519] ? bpf_prog_test_run+0x130/0x1a0 [ 312.169936] ? __x64_sys_bpf+0x3d8/0x510 [ 312.173998] ? bpf_prog_get+0x20/0x20 [ 312.177808] ? ksys_ioctl+0x81/0xd0 [ 312.181449] ? do_syscall_64+0x1b9/0x820 [ 312.185511] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 312.190880] ? syscall_return_slowpath+0x5e0/0x5e0 [ 312.195815] ? trace_hardirqs_off+0x300/0x300 [ 312.200313] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 312.205329] ? recalc_sigpending_tsk+0x180/0x180 [ 312.210087] ? kasan_check_write+0x14/0x20 [ 312.214346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.219223] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 312.224633] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 312.224706] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 312.231566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.231572] Call Trace: [ 312.231578] [ 312.231593] dump_stack+0x1c4/0x2b4 [ 312.231609] ? dump_stack_print_info.cold.2+0x52/0x52 [ 312.231644] warn_alloc.cold.118+0xb7/0x1bd [ 312.238283] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.238300] syz-executor7 cpuset=syz7 mems_allowed=0 [ 312.281199] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 312.286051] ? lock_downgrade+0x900/0x900 [ 312.290209] ? trace_hardirqs_off+0xb8/0x300 [ 312.294635] ? trace_hardirqs_off+0xb8/0x300 [ 312.299054] __alloc_pages_slowpath+0x2667/0x2d80 [ 312.303929] ? warn_alloc+0x120/0x120 [ 312.307736] ? graph_lock+0x170/0x170 [ 312.311549] ? warn_alloc+0x120/0x120 [ 312.315387] ? print_usage_bug+0xc0/0xc0 [ 312.319454] ? warn_alloc+0x120/0x120 [ 312.323258] ? print_usage_bug+0xc0/0xc0 [ 312.327326] ? __lock_acquire+0x7ec/0x4ec0 [ 312.331560] ? __lock_acquire+0x7ec/0x4ec0 [ 312.335799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.341797] ? should_fail+0x22d/0xd01 [ 312.345696] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.350804] ? __lock_acquire+0x7ec/0x4ec0 [ 312.355046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.360155] ? __lock_acquire+0x7ec/0x4ec0 [ 312.364389] ? should_fail+0x22d/0xd01 [ 312.368341] ? mark_held_locks+0x130/0x130 [ 312.372587] ? mark_held_locks+0x130/0x130 [ 312.376823] ? graph_lock+0x170/0x170 [ 312.380622] ? graph_lock+0x170/0x170 [ 312.384436] ? graph_lock+0x170/0x170 [ 312.388265] ? print_usage_bug+0xc0/0xc0 [ 312.392329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.397899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.403445] ? check_preemption_disabled+0x48/0x200 [ 312.408463] ? check_preemption_disabled+0x48/0x200 [ 312.413495] ? __lock_is_held+0xb5/0x140 [ 312.417567] __alloc_pages_nodemask+0xa80/0xde0 [ 312.422238] ? graph_lock+0x170/0x170 [ 312.426044] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 312.431059] ? graph_lock+0x170/0x170 [ 312.434876] ? find_held_lock+0x36/0x1c0 [ 312.439124] ? ____cache_alloc_node+0x1c7/0x1e0 [ 312.443796] ? lock_downgrade+0x900/0x900 [ 312.447960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.453504] cache_grow_begin+0x91/0x8c0 [ 312.457570] ? do_raw_spin_unlock+0xa7/0x2f0 [ 312.461989] fallback_alloc+0x203/0x2e0 [ 312.465970] ____cache_alloc_node+0x1c7/0x1e0 [ 312.470579] kmem_cache_alloc_node+0xe3/0x730 [ 312.475078] ? ipv6_get_ifaddr+0x42e/0x620 [ 312.479323] __alloc_skb+0x119/0x770 [ 312.483064] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.488358] ? skb_scrub_packet+0x490/0x490 [ 312.492678] ? lock_downgrade+0x900/0x900 [ 312.496836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.502403] ? refcount_sub_and_test_checked+0x203/0x310 [ 312.507877] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 312.513334] ? addrconf_rs_timer+0x6f0/0x6f0 [ 312.517779] ndisc_alloc_skb+0x144/0x340 [ 312.521849] ndisc_send_rs+0x331/0x6e0 [ 312.525745] addrconf_rs_timer+0x3c0/0x6f0 [ 312.529985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.534234] call_timer_fn+0x272/0x920 [ 312.538656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.542894] ? process_timeout+0x40/0x40 [ 312.546955] ? find_held_lock+0x36/0x1c0 [ 312.551028] ? mark_held_locks+0xc7/0x130 [ 312.555183] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.559680] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.564176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.568412] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 312.573040] ? trace_hardirqs_on+0xbd/0x310 [ 312.577364] ? kasan_check_read+0x11/0x20 [ 312.581519] ? __run_timers+0x7da/0xc70 [ 312.585494] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.590953] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.595195] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.599455] __run_timers+0x7e5/0xc70 [ 312.603272] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 312.608643] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 312.613677] ? graph_lock+0x170/0x170 [ 312.617492] ? print_usage_bug+0xc0/0xc0 [ 312.621552] ? lock_release+0x970/0x970 [ 312.625536] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 312.630735] ? find_held_lock+0x36/0x1c0 [ 312.634801] ? graph_lock+0x170/0x170 [ 312.639111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.644658] ? check_preemption_disabled+0x48/0x200 [ 312.649697] ? __lock_is_held+0xb5/0x140 [ 312.653773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.659313] ? check_preemption_disabled+0x48/0x200 [ 312.664342] run_timer_softirq+0x52/0xb0 [ 312.668405] ? rcu_read_lock_sched_held+0x108/0x120 [ 312.673447] __do_softirq+0x30b/0xad8 [ 312.677263] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 312.682372] ? pvclock_read_flags+0x160/0x160 [ 312.686865] ? lapic_next_event+0x5a/0x90 [ 312.691015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.696553] ? check_preemption_disabled+0x48/0x200 [ 312.701566] ? check_preemption_disabled+0x48/0x200 [ 312.706599] ? kvm_clock_read+0x18/0x30 [ 312.710584] ? kvm_sched_clock_read+0x9/0x20 [ 312.715035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.720576] ? check_preemption_disabled+0x48/0x200 [ 312.725605] irq_exit+0x17f/0x1c0 [ 312.729069] smp_apic_timer_interrupt+0x1cb/0x760 [ 312.733915] ? smp_reschedule_interrupt+0x109/0x650 [ 312.739441] ? smp_call_function_single_interrupt+0x650/0x650 [ 312.745331] ? interrupt_entry+0xb5/0xf0 [ 312.749393] ? trace_hardirqs_off_caller+0xbb/0x300 [ 312.754431] ? trace_hardirqs_off_caller+0xbb/0x300 [ 312.759447] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.764289] ? trace_hardirqs_off+0x300/0x300 [ 312.768785] ? trace_hardirqs_off+0x300/0x300 [ 312.773283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.778827] ? check_preemption_disabled+0x48/0x200 [ 312.783875] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.788731] apic_timer_interrupt+0xf/0x20 [ 312.792964] [ 312.795208] RIP: 0010:console_unlock+0x1017/0x11a0 [ 312.800143] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 312.819046] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 312.826762] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 312.834030] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 312.841792] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 312.849067] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 312.856336] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 312.863635] ? netconsole_netdev_event+0x280/0x280 [ 312.868584] ? console_unlock+0x100e/0x11a0 [ 312.872926] ? devkmsg_read+0xbb0/0xbb0 [ 312.876905] ? vprintk_emit+0x7f7/0x930 [ 312.880884] ? lock_release+0x970/0x970 [ 312.884865] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.890316] ? vprintk_default+0x28/0x30 [ 312.894380] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.899837] ? kasan_check_write+0x14/0x20 [ 312.904073] ? do_raw_spin_lock+0xc1/0x200 [ 312.908317] vprintk_emit+0x33d/0x930 [ 312.912126] ? wake_up_klogd+0x180/0x180 [ 312.916195] ? find_held_lock+0x36/0x1c0 [ 312.920263] ? mark_held_locks+0xc7/0x130 [ 312.924414] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.928916] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.933442] vprintk_default+0x28/0x30 [ 312.937336] vprintk_func+0x7e/0x181 [ 312.941517] printk+0xa7/0xcf [ 312.944633] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 312.949394] ? _raw_spin_unlock_irq+0x60/0x80 [ 312.953906] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 312.959198] dump_header+0x7cc/0xf72 [ 312.962925] ? pagefault_out_of_memory+0x197/0x197 [ 312.967865] ? __lock_acquire+0x7ec/0x4ec0 [ 312.972104] ? print_usage_bug+0xc0/0xc0 [ 312.976177] ? graph_lock+0x170/0x170 [ 312.979974] ? graph_lock+0x170/0x170 [ 312.983776] ? print_usage_bug+0xc0/0xc0 [ 312.987844] ? print_usage_bug+0xc0/0xc0 [ 312.991911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.997719] ? find_held_lock+0x36/0x1c0 [ 313.001793] ? mark_held_locks+0xc7/0x130 [ 313.005946] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 313.011056] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 313.016162] ? lockdep_hardirqs_on+0x421/0x5c0 [ 313.020746] ? trace_hardirqs_on+0xbd/0x310 [ 313.025073] ? kasan_check_read+0x11/0x20 [ 313.029222] ? ___ratelimit+0x36f/0x655 [ 313.033199] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.038998] ? trace_hardirqs_on+0x310/0x310 [ 313.043426] ? lock_downgrade+0x900/0x900 [ 313.047587] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 313.052695] ? ___ratelimit+0xaa/0x655 [ 313.056585] ? idr_get_free+0xec0/0xec0 [ 313.060559] ? kasan_check_write+0x14/0x20 [ 313.064796] ? do_raw_spin_lock+0xc1/0x200 [ 313.069043] oom_kill_process.cold.27+0x10/0x903 [ 313.073815] ? graph_lock+0x170/0x170 [ 313.077617] ? _raw_spin_unlock+0x2c/0x50 [ 313.081775] ? oom_badness+0xe6/0xaa0 [ 313.085585] ? oom_evaluate_task+0x540/0x540 [ 313.090015] ? find_held_lock+0x36/0x1c0 [ 313.094083] ? out_of_memory+0x974/0x14c0 [ 313.098235] ? lock_downgrade+0x900/0x900 [ 313.102386] ? check_preemption_disabled+0x48/0x200 [ 313.107922] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 313.113731] ? kasan_check_read+0x11/0x20 [ 313.117881] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.123164] ? rcu_bh_qs+0xc0/0xc0 [ 313.126717] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 313.132253] ? oom_evaluate_task+0x302/0x540 [ 313.136667] out_of_memory+0xa86/0x14c0 [ 313.141092] ? oom_killer_disable+0x3a0/0x3a0 [ 313.145595] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 313.150537] ? __mutex_add_waiter+0x2a0/0x2a0 [ 313.155059] __alloc_pages_slowpath+0x2318/0x2d80 [ 313.159933] ? warn_alloc+0x120/0x120 [ 313.163749] ? __radix_tree_lookup+0x4c0/0x4c0 [ 313.168359] ? find_get_entry+0x2f2/0xc40 [ 313.172523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.178062] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 313.182998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.188537] ? should_fail+0x22d/0xd01 [ 313.192440] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.197570] ? __lock_is_held+0xb5/0x140 [ 313.201687] ? __lock_is_held+0xb5/0x140 [ 313.205757] ? find_held_lock+0x36/0x1c0 [ 313.209823] ? ___might_sleep+0x1ed/0x300 [ 313.213971] ? lock_release+0x970/0x970 [ 313.217964] ? arch_local_save_flags+0x40/0x40 [ 313.222559] ? __might_sleep+0x95/0x190 [ 313.226538] __alloc_pages_nodemask+0xa80/0xde0 [ 313.231215] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 313.236235] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 313.242471] ? kasan_check_read+0x11/0x20 [ 313.246640] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.251925] ? graph_lock+0x170/0x170 [ 313.255726] ? print_usage_bug+0xc0/0xc0 [ 313.259790] ? graph_lock+0x170/0x170 [ 313.263592] ? graph_lock+0x170/0x170 [ 313.267402] ? __do_page_cache_readahead+0x7ce/0x980 [ 313.272517] ? find_held_lock+0x36/0x1c0 [ 313.276583] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 313.282125] alloc_pages_current+0x10c/0x210 [ 313.286536] ? lock_downgrade+0x900/0x900 [ 313.290692] __page_cache_alloc+0x38f/0x5b0 [ 313.295015] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 313.300813] ? kasan_check_read+0x11/0x20 [ 313.304967] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.310259] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 313.314933] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.320475] ? check_preemption_disabled+0x48/0x200 [ 313.325505] filemap_fault+0x1594/0x25f0 [ 313.329585] ? __lock_page_or_retry+0xa00/0xa00 [ 313.334263] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 313.340571] ? kasan_check_read+0x11/0x20 [ 313.344729] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.350006] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 313.355125] ? rcu_bh_qs+0xc0/0xc0 [ 313.358667] ? trace_hardirqs_on+0xbd/0x310 [ 313.362987] ? kasan_check_read+0x11/0x20 [ 313.367134] ? __free_object+0x173/0x340 [ 313.371207] ? filemap_map_pages+0xdea/0x1980 [ 313.375717] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 313.380824] ? __free_object+0x173/0x340 [ 313.384884] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 313.390161] ? debug_object_free+0x325/0x690 [ 313.394571] ? find_get_pages_range_tag+0x1320/0x1320 [ 313.399766] ? graph_lock+0x170/0x170 [ 313.403609] ? kasan_check_read+0x11/0x20 [ 313.407767] ? debug_object_destroy+0x2b0/0x2b0 [ 313.412464] ? lock_acquire+0x1ed/0x520 [ 313.416458] ? ext4_filemap_fault+0x7a/0xad [ 313.420782] ? lock_release+0x970/0x970 [ 313.424758] ? arch_local_save_flags+0x40/0x40 [ 313.429352] ? futex_wait_setup+0x3e0/0x3e0 [ 313.433699] ? down_read+0xb0/0x1d0 [ 313.437329] ? ext4_filemap_fault+0x7a/0xad [ 313.442120] ? __down_interruptible+0x700/0x700 [ 313.446811] ext4_filemap_fault+0x82/0xad [ 313.450967] __do_fault+0x100/0x6b0 [ 313.454599] ? print_bad_pte+0x6c0/0x6c0 [ 313.458672] ? do_futex+0x249/0x26d0 [ 313.462400] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.467872] ? kasan_check_read+0x11/0x20 [ 313.472049] ? pmd_val+0x88/0x100 [ 313.475505] ? add_mm_counter_fast+0xd0/0xd0 [ 313.479925] ? pmd_val+0x88/0x100 [ 313.483383] ? add_mm_counter_fast+0xd0/0xd0 [ 313.487805] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.493349] __handle_mm_fault+0x3709/0x53e0 [ 313.497772] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 313.502619] ? graph_lock+0x170/0x170 [ 313.506435] ? print_usage_bug+0xc0/0xc0 [ 313.510498] ? lockdep_hardirqs_on+0x421/0x5c0 [ 313.515083] ? graph_lock+0x170/0x170 [ 313.518897] ? graph_lock+0x170/0x170 [ 313.522754] ? handle_mm_fault+0x42a/0xc70 [ 313.527004] ? lock_downgrade+0x900/0x900 [ 313.531169] ? check_preemption_disabled+0x48/0x200 [ 313.536207] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 313.542481] ? kasan_check_read+0x11/0x20 [ 313.546646] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.551927] ? rcu_bh_qs+0xc0/0xc0 [ 313.555469] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.560926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.566473] ? check_preemption_disabled+0x48/0x200 [ 313.571502] handle_mm_fault+0x54f/0xc70 [ 313.575570] ? __handle_mm_fault+0x53e0/0x53e0 [ 313.580154] ? find_vma+0x34/0x190 [ 313.583715] __do_page_fault+0x67d/0xed0 [ 313.587793] ? mm_fault_error+0x380/0x380 [ 313.591939] ? trace_hardirqs_off+0xb8/0x300 [ 313.596371] ? trace_hardirqs_on+0x310/0x310 [ 313.600787] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 313.606159] ? trace_hardirqs_on+0x310/0x310 [ 313.610577] do_page_fault+0xf2/0x7e0 [ 313.614385] ? vmalloc_sync_all+0x30/0x30 [ 313.618540] ? error_entry+0x70/0xd0 [ 313.622258] ? trace_hardirqs_off_caller+0xbb/0x300 [ 313.627272] ? trace_hardirqs_on_caller+0xc0/0x300 [ 313.632199] ? syscall_return_slowpath+0x5e0/0x5e0 [ 313.637131] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.642494] ? trace_hardirqs_off+0x300/0x300 [ 313.646993] ? trace_hardirqs_off_caller+0x300/0x300 [ 313.652104] ? prepare_exit_to_usermode+0x291/0x3b0 [ 313.657121] ? page_fault+0x8/0x30 [ 313.660667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.665523] ? page_fault+0x8/0x30 [ 313.669067] page_fault+0x1e/0x30 [ 313.672532] RIP: 0033:0x45ddf3 [ 313.675731] Code: Bad RIP value. [ 313.679096] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 313.684458] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 313.691723] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 313.698985] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 313.706256] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 313.713524] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 313.720898] warn_alloc_show_mem: 1 callbacks suppressed [ 313.720911] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 313.720913] Mem-Info: [ 313.720950] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 313.720950] active_file:16 inactive_file:19 isolated_file:0 [ 313.720950] unevictable:0 dirty:0 writeback:0 unstable:0 [ 313.720950] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 313.720950] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 313.720950] free:13708 free_pcp:124 free_cma:0 [ 313.726301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.733504] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 313.735959] Call Trace: [ 313.769287] Node 0 [ 313.778640] [ 313.806321] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 313.808883] dump_stack+0x1c4/0x2b4 [ 313.811093] lowmem_reserve[]: [ 313.813239] ? dump_stack_print_info.cold.2+0x52/0x52 [ 313.839162] 0 2817 [ 313.842813] warn_alloc.cold.118+0xb7/0x1bd [ 313.845883] 6321 [ 313.851069] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 313.853283] 6321 [ 313.857601] ? lock_downgrade+0x900/0x900 [ 313.864492] ? trace_hardirqs_off+0xb8/0x300 [ 313.866541] Node 0 [ 313.870688] ? trace_hardirqs_off+0xb8/0x300 [ 313.875095] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 313.877324] __alloc_pages_slowpath+0x2667/0x2d80 [ 313.881694] lowmem_reserve[]: 0 [ 313.908726] ? warn_alloc+0x120/0x120 [ 313.913524] 0 [ 313.916802] ? warn_alloc+0x120/0x120 [ 313.920574] 3503 [ 313.922376] ? print_usage_bug+0xc0/0xc0 [ 313.926153] 3503 [ 313.928213] ? warn_alloc+0x120/0x120 [ 313.932254] Node 0 [ 313.934313] ? print_usage_bug+0xc0/0xc0 [ 313.938480] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 313.940779] ? __lock_acquire+0x7ec/0x4ec0 [ 313.944812] lowmem_reserve[]: 0 [ 313.973011] ? __lock_acquire+0x7ec/0x4ec0 [ 313.977230] 0 [ 313.980507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.984712] 0 [ 313.986513] ? should_fail+0x22d/0xd01 [ 313.992037] 0 [ 313.993851] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.999550] ? __lock_acquire+0x7ec/0x4ec0 [ 314.004634] Node 0 DMA: [ 314.008861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.008877] ? __lock_acquire+0x7ec/0x4ec0 [ 314.011528] 1*4kB [ 314.016629] ? should_fail+0x22d/0xd01 [ 314.020850] (U) [ 314.023004] ? mark_held_locks+0x130/0x130 [ 314.026869] 0*8kB [ 314.028844] ? mark_held_locks+0x130/0x130 [ 314.033057] 0*16kB [ 314.035200] ? graph_lock+0x170/0x170 [ 314.039859] 1*32kB (U) [ 314.042102] ? graph_lock+0x170/0x170 [ 314.045882] 2*64kB [ 314.048461] ? graph_lock+0x170/0x170 [ 314.052241] (U) [ 314.054472] ? print_usage_bug+0xc0/0xc0 [ 314.058246] 1*128kB (U) [ 314.060244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.064281] 1*256kB [ 314.066950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.072461] (U) [ 314.074796] ? check_preemption_disabled+0x48/0x200 [ 314.080306] 0*512kB 1*1024kB [ 314.082289] ? check_preemption_disabled+0x48/0x200 [ 314.087271] (U) 1*2048kB [ 314.090388] ? __lock_is_held+0xb5/0x140 [ 314.095374] (M) [ 314.098143] __alloc_pages_nodemask+0xa80/0xde0 [ 314.102181] 3*4096kB [ 314.104154] ? graph_lock+0x170/0x170 [ 314.108803] (M) [ 314.111210] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 314.114987] = 15908kB [ 314.116957] ? graph_lock+0x170/0x170 [ 314.121954] Node 0 [ 314.124377] ? find_held_lock+0x36/0x1c0 [ 314.128145] DMA32: [ 314.130383] ? ____cache_alloc_node+0x1c7/0x1e0 [ 314.134424] 3*4kB [ 314.136651] ? lock_downgrade+0x900/0x900 [ 314.141613] (UM) 2*8kB [ 314.143780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.147894] (M) 3*16kB [ 314.150493] cache_grow_begin+0x91/0x8c0 [ 314.156003] (UM) [ 314.158585] ? do_raw_spin_unlock+0xa7/0x2f0 [ 314.162620] 3*32kB [ 314.164687] fallback_alloc+0x203/0x2e0 [ 314.169066] (M) [ 314.171300] ____cache_alloc_node+0x1c7/0x1e0 [ 314.175250] 3*64kB [ 314.177220] kmem_cache_alloc_node+0xe3/0x730 [ 314.181689] (UM) [ 314.183934] ? ipv6_get_ifaddr+0x42e/0x620 [ 314.188400] 4*128kB [ 314.190467] __alloc_skb+0x119/0x770 [ 314.194679] (UM) [ 314.197002] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.200688] 3*256kB [ 314.202756] ? skb_scrub_packet+0x490/0x490 [ 314.208017] (M) [ 314.210340] ? lock_downgrade+0x900/0x900 [ 314.214642] 4*512kB [ 314.216617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.220745] (M) [ 314.223080] ? refcount_sub_and_test_checked+0x203/0x310 [ 314.228603] 3*1024kB [ 314.230582] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 314.236021] (UM) [ 314.238423] ? addrconf_rs_timer+0x6f0/0x6f0 [ 314.238454] ndisc_alloc_skb+0x144/0x340 [ 314.243891] 1*2048kB [ 314.245958] ndisc_send_rs+0x331/0x6e0 [ 314.250343] (M) [ 314.254400] addrconf_rs_timer+0x3c0/0x6f0 [ 314.256780] 4*4096kB (M) [ 314.260677] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.262635] = 25196kB [ 314.266876] call_timer_fn+0x272/0x920 [ 314.269604] Node 0 [ 314.273830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.276215] Normal: [ 314.280100] ? process_timeout+0x40/0x40 [ 314.282331] 852*4kB [ 314.286559] ? find_held_lock+0x36/0x1c0 [ 314.288862] (UMEH) [ 314.292929] ? __run_timers+0x7da/0xc70 [ 314.295218] 324*8kB (UMEH) [ 314.299287] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.301507] 169*16kB [ 314.305487] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.308409] (UMEH) [ 314.312903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.315283] 81*32kB (UMEH) [ 314.319786] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 314.322003] 31*64kB [ 314.326242] ? trace_hardirqs_on+0xbd/0x310 [ 314.329149] (UMH) [ 314.333726] ? kasan_check_read+0x11/0x20 [ 314.336026] 3*128kB [ 314.340488] ? __run_timers+0x7da/0xc70 [ 314.342614] (H) [ 314.346775] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.349079] 1*256kB [ 314.353046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.355000] (H) [ 314.360446] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.362753] 0*512kB 0*1024kB [ 314.366993] __run_timers+0x7e5/0xc70 [ 314.368950] 0*2048kB [ 314.373194] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 314.376264] 0*4096kB = 13920kB [ 314.380083] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 314.382480] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 314.387830] ? graph_lock+0x170/0x170 [ 314.391007] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 314.396009] ? enqueue_hrtimer+0x1a5/0x560 [ 314.404823] 414 total pagecache pages [ 314.408615] ? lock_release+0x970/0x970 [ 314.417180] 0 pages in swap cache [ 314.421401] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 314.425185] Swap cache stats: add 0, delete 0, find 0/0 [ 314.425194] Free swap = 0kB [ 314.429162] ? find_held_lock+0x36/0x1c0 [ 314.432594] Total swap = 0kB [ 314.437777] ? graph_lock+0x170/0x170 [ 314.443588] 1965979 pages RAM [ 314.446604] ? pvclock_read_flags+0x160/0x160 [ 314.450651] 0 pages HighMem/MovableOnly [ 314.453671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.457444] 342744 pages reserved [ 314.457453] 0 pages cma reserved [ 314.460557] ? check_preemption_disabled+0x48/0x200 [ 314.465088] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 314.469000] ? __lock_is_held+0xb5/0x140 [ 314.474612] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 314.477972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.481342] syz-fuzzer cpuset= [ 314.486353] ? check_preemption_disabled+0x48/0x200 [ 314.492821] / [ 314.496892] run_timer_softirq+0x52/0xb0 [ 314.507093] mems_allowed=0 [ 314.512623] ? rcu_read_lock_sched_held+0x108/0x120 [ 314.534450] __do_softirq+0x30b/0xad8 [ 314.538352] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 314.543460] ? pvclock_read_flags+0x160/0x160 [ 314.547955] ? lapic_next_event+0x5a/0x90 [ 314.552105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.557644] ? check_preemption_disabled+0x48/0x200 [ 314.562677] ? check_preemption_disabled+0x48/0x200 [ 314.567698] ? kvm_clock_read+0x18/0x30 [ 314.571674] ? kvm_sched_clock_read+0x9/0x20 [ 314.576083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.581623] ? check_preemption_disabled+0x48/0x200 [ 314.586663] irq_exit+0x17f/0x1c0 [ 314.590120] smp_apic_timer_interrupt+0x1cb/0x760 [ 314.595001] ? smp_reschedule_interrupt+0x109/0x650 [ 314.600024] ? smp_call_function_single_interrupt+0x650/0x650 [ 314.605912] ? interrupt_entry+0xb5/0xf0 [ 314.609984] ? trace_hardirqs_off_caller+0xbb/0x300 [ 314.615002] ? trace_hardirqs_off_caller+0xbb/0x300 [ 314.620021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.624860] ? trace_hardirqs_off+0x300/0x300 [ 314.629364] ? trace_hardirqs_off+0x300/0x300 [ 314.633874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.639512] ? check_preemption_disabled+0x48/0x200 [ 314.644530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.650086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.654969] apic_timer_interrupt+0xf/0x20 [ 314.659196] [ 314.661438] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 314.666397] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 314.685294] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 314.693013] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 314.700280] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 314.707547] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 314.714811] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 314.722082] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 314.729387] skb_clone+0x1bb/0x500 [ 314.732931] ? finish_task_switch+0x2f5/0x900 [ 314.737439] ? skb_split+0x11e0/0x11e0 [ 314.741464] ? preempt_notifier_register+0x200/0x200 [ 314.746567] ? __switch_to_asm+0x34/0x70 [ 314.750651] ? __switch_to_asm+0x34/0x70 [ 314.754711] ? __switch_to_asm+0x40/0x70 [ 314.758769] ? __switch_to_asm+0x34/0x70 [ 314.762826] ? __switch_to_asm+0x40/0x70 [ 314.766883] ? __switch_to_asm+0x34/0x70 [ 314.770948] ? __switch_to_asm+0x40/0x70 [ 314.775017] ? __switch_to_asm+0x34/0x70 [ 314.779078] ? __switch_to_asm+0x34/0x70 [ 314.783160] ? __switch_to_asm+0x40/0x70 [ 314.787215] ? __switch_to_asm+0x34/0x70 [ 314.791291] bpf_clone_redirect+0xb9/0x490 [ 314.795525] ? __schedule+0x874/0x1ed0 [ 314.799420] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 314.804464] ? __sched_text_start+0x8/0x8 [ 314.808609] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 314.813381] ? find_held_lock+0x36/0x1c0 [ 314.817454] ? lock_acquire+0x1ed/0x520 [ 314.821430] ? bpf_test_run+0x32e/0x5a0 [ 314.825409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.830948] ? check_preemption_disabled+0x48/0x200 [ 314.835970] ? kasan_check_read+0x11/0x20 [ 314.840127] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.845411] ? rcu_bh_qs+0xc0/0xc0 [ 314.848968] ? preempt_schedule+0x4d/0x60 [ 314.853119] ? ___preempt_schedule+0x16/0x18 [ 314.857534] ? bpf_test_run+0x1c0/0x5a0 [ 314.861520] ? netlink_diag_dump+0x2a0/0x2a0 [ 314.865937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.871475] ? bpf_test_init.isra.9+0x70/0x100 [ 314.876064] ? bpf_prog_test_run_skb+0x634/0xb40 [ 314.880828] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 314.885668] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 314.891201] ? fput+0x130/0x1a0 [ 314.894487] ? __bpf_prog_get+0x9b/0x290 [ 314.898550] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 314.903405] ? bpf_prog_test_run+0x130/0x1a0 [ 314.907820] ? __x64_sys_bpf+0x3d8/0x510 [ 314.911922] ? bpf_prog_get+0x20/0x20 [ 314.915731] ? ksys_ioctl+0x81/0xd0 [ 314.919408] ? do_syscall_64+0x1b9/0x820 [ 314.923495] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 314.928873] ? syscall_return_slowpath+0x5e0/0x5e0 [ 314.933813] ? trace_hardirqs_off+0x300/0x300 [ 314.938387] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 314.943399] ? recalc_sigpending_tsk+0x180/0x180 [ 314.948160] ? kasan_check_write+0x14/0x20 [ 314.952401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.957255] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 314.962647] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 314.962678] rcu: INFO: rcu_preempt self-detected stall on CPU [ 314.969577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.969586] Call Trace: [ 314.975762] rcu: 0-...!: (88 ticks this GP) idle=342/1/0x4000000000000004 softirq=10652/10652 fqs=1 [ 314.984824] [ 314.984840] dump_stack+0x1c4/0x2b4 [ 314.984856] ? dump_stack_print_info.cold.2+0x52/0x52 [ 314.984881] warn_alloc.cold.118+0xb7/0x1bd [ 314.984897] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 314.984914] ? lock_downgrade+0x900/0x900 [ 314.984941] ? trace_hardirqs_off+0xb8/0x300 [ 314.984960] ? trace_hardirqs_off+0xb8/0x300 [ 314.984981] __alloc_pages_slowpath+0x2667/0x2d80 [ 314.985022] ? warn_alloc+0x120/0x120 [ 314.987893] rcu: [ 314.997425] ? trace_hardirqs_on+0x310/0x310 [ 314.999554] (t=10665 jiffies g=11997 q=38) [ 315.003173] ? warn_alloc+0x120/0x120 [ 315.008383] rcu: rcu_preempt kthread starved for 10569 jiffies! g11997 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 315.012693] ? print_usage_bug+0xc0/0xc0 [ 315.017509] rcu: RCU grace-period kthread stack dump: [ 315.017519] rcu_preempt R [ 315.021668] ? warn_alloc+0x120/0x120 [ 315.026055] running task [ 315.030465] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 315.035290] 22872 10 2 0x80000000 [ 315.039539] ? print_usage_bug+0xc0/0xc0 [ 315.041669] Call Trace: [ 315.046082] ? __lock_acquire+0x7ec/0x4ec0 [ 315.050392] __schedule+0x86c/0x1ed0 [ 315.054175] ? __lock_acquire+0x7ec/0x4ec0 [ 315.064654] ? __sched_text_start+0x8/0x8 [ 315.068703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.073879] ? __mod_timer+0x6f6/0x1870 [ 315.076997] ? should_fail+0x22d/0xd01 [ 315.080789] ? add_timer_on+0x9f0/0x9f0 [ 315.083965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.088966] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.093104] ? __lock_acquire+0x7ec/0x4ec0 [ 315.097153] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.099724] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.104138] ? trace_hardirqs_on+0xbd/0x310 [ 315.107843] ? __lock_acquire+0x7ec/0x4ec0 [ 315.112066] ? kasan_check_read+0x11/0x20 [ 315.116200] ? should_fail+0x22d/0xd01 [ 315.121726] ? prepare_to_swait_event+0x25a/0x800 [ 315.125682] ? print_usage_bug+0xc0/0xc0 [ 315.129555] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.133518] ? mark_held_locks+0x130/0x130 [ 315.138609] schedule+0xfe/0x460 [ 315.143729] ? mark_held_locks+0x130/0x130 [ 315.147956] ? __schedule+0x1ed0/0x1ed0 [ 315.153047] ? graph_lock+0x170/0x170 [ 315.158132] ? prepare_to_swait_event+0x25a/0x800 [ 315.162444] ? print_usage_bug+0xc0/0xc0 [ 315.166668] ? __init_swait_queue_head+0x150/0x150 [ 315.170804] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 315.174676] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.179509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.183556] ? __lockdep_init_map+0x105/0x590 [ 315.188994] ? check_preemption_disabled+0x48/0x200 [ 315.193211] ? lockdep_init_map+0x9/0x10 [ 315.196578] ? check_preemption_disabled+0x48/0x200 [ 315.200796] schedule_timeout+0x140/0x260 [ 315.204811] ? __lock_is_held+0xb5/0x140 [ 315.208604] ? usleep_range+0x1a0/0x1a0 [ 315.213444] __alloc_pages_nodemask+0xa80/0xde0 [ 315.217492] ? __next_timer_interrupt+0x1a0/0x1a0 [ 315.222402] ? graph_lock+0x170/0x170 [ 315.227146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.232236] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 315.237765] rcu_gp_kthread+0x9d9/0x2310 [ 315.242722] ? graph_lock+0x170/0x170 [ 315.242761] ? find_held_lock+0x36/0x1c0 [ 315.247783] ? rcu_gp_init+0x1830/0x1830 [ 315.251817] ? ____cache_alloc_node+0x1c7/0x1e0 [ 315.256813] ? update_curr+0x344/0xbe0 [ 315.260954] ? lock_downgrade+0x900/0x900 [ 315.265003] ? graph_lock+0x170/0x170 [ 315.268964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.273615] ? __account_cfs_rq_runtime+0x790/0x790 [ 315.278471] cache_grow_begin+0x91/0x8c0 [ 315.282256] ? __lock_acquire+0x7ec/0x4ec0 [ 315.287784] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.292784] ? graph_lock+0x170/0x170 [ 315.296836] fallback_alloc+0x203/0x2e0 [ 315.300638] ? mark_held_locks+0x130/0x130 [ 315.304704] ____cache_alloc_node+0x1c7/0x1e0 [ 315.308753] ? __lock_is_held+0xb5/0x140 [ 315.313410] kmem_cache_alloc_node+0xe3/0x730 [ 315.317279] ? __account_cfs_rq_runtime+0x790/0x790 [ 315.321423] ? ipv6_get_ifaddr+0x42e/0x620 [ 315.325212] ? set_next_entity+0x30c/0xc40 [ 315.330735] __alloc_skb+0x119/0x770 [ 315.335735] ? mark_held_locks+0x130/0x130 [ 315.339909] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.344140] ? rcu_read_lock_sched_held+0x108/0x120 [ 315.348534] ? skb_scrub_packet+0x490/0x490 [ 315.352335] ? select_task_rq_fair+0x34f0/0x34f0 [ 315.356294] ? lock_downgrade+0x900/0x900 [ 315.360518] ? __enqueue_entity+0x10d/0x1f0 [ 315.365004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.369051] ? graph_lock+0x170/0x170 [ 315.373531] ? refcount_sub_and_test_checked+0x203/0x310 [ 315.378527] ? lock_repin_lock+0x251/0x430 [ 315.382749] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 315.386973] ? graph_lock+0x170/0x170 [ 315.390675] ? addrconf_rs_timer+0x6f0/0x6f0 [ 315.394900] ? put_prev_task_stop+0x300/0xa10 [ 315.400169] ndisc_alloc_skb+0x144/0x340 [ 315.405168] ? lock_repin_lock+0x250/0x430 [ 315.409472] ndisc_send_rs+0x331/0x6e0 [ 315.414215] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.418350] addrconf_rs_timer+0x3c0/0x6f0 [ 315.422660] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.428186] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.431987] ? lockdep_hardirqs_on+0x421/0x5c0 [ 315.437438] call_timer_fn+0x272/0x920 [ 315.441660] ? trace_hardirqs_on+0xbd/0x310 [ 315.447097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.450887] ? kasan_check_read+0x11/0x20 [ 315.455283] ? process_timeout+0x40/0x40 [ 315.459769] ? mark_held_locks+0x130/0x130 [ 315.463808] ? find_held_lock+0x36/0x1c0 [ 315.463830] ? mark_held_locks+0xc7/0x130 [ 315.468052] ? audit_add_watch+0xae1/0xdc0 [ 315.471990] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.476488] ? kasan_check_write+0x14/0x20 [ 315.480710] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.485208] ? finish_task_switch+0x2f5/0x900 [ 315.489433] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.493999] ? __switch_to_asm+0x40/0x70 [ 315.497889] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 315.502198] ? preempt_notifier_register+0x200/0x200 [ 315.506422] ? trace_hardirqs_on+0xbd/0x310 [ 315.510548] ? __switch_to_asm+0x34/0x70 [ 315.514601] ? kasan_check_read+0x11/0x20 [ 315.518825] ? __switch_to_asm+0x34/0x70 [ 315.522878] ? __run_timers+0x7da/0xc70 [ 315.527014] ? __switch_to_asm+0x40/0x70 [ 315.531238] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.535718] ? __switch_to_asm+0x40/0x70 [ 315.540379] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.544863] ? __switch_to_asm+0x34/0x70 [ 315.549357] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.553576] ? __switch_to_asm+0x40/0x70 [ 315.557635] __run_timers+0x7e5/0xc70 [ 315.562197] ? __switch_to_asm+0x34/0x70 [ 315.567294] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 315.571591] ? __switch_to_asm+0x34/0x70 [ 315.575646] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 315.579777] ? __switch_to_asm+0x40/0x70 [ 315.583828] ? graph_lock+0x170/0x170 [ 315.587792] ? __switch_to_asm+0x40/0x70 [ 315.591840] ? print_usage_bug+0xc0/0xc0 [ 315.597276] ? __switch_to_asm+0x34/0x70 [ 315.601320] ? lock_release+0x970/0x970 [ 315.605537] ? __switch_to_asm+0x40/0x70 [ 315.609585] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 315.613809] ? __schedule+0x874/0x1ed0 [ 315.617858] ? find_held_lock+0x36/0x1c0 [ 315.621654] ? __switch_to_asm+0x40/0x70 [ 315.625706] ? graph_lock+0x170/0x170 [ 315.631056] ? __switch_to_asm+0x40/0x70 [ 315.635103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.640110] ? graph_lock+0x170/0x170 [ 315.644161] ? check_preemption_disabled+0x48/0x200 [ 315.647948] ? __sched_text_start+0x8/0x8 [ 315.651999] ? __lock_is_held+0xb5/0x140 [ 315.656054] ? find_held_lock+0x36/0x1c0 [ 315.660098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.664077] ? __kthread_parkme+0xce/0x1a0 [ 315.668122] ? check_preemption_disabled+0x48/0x200 [ 315.673337] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.677216] run_timer_softirq+0x52/0xb0 [ 315.681277] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.685340] ? rcu_read_lock_sched_held+0x108/0x120 [ 315.689127] ? lockdep_hardirqs_on+0x421/0x5c0 [ 315.693175] __do_softirq+0x30b/0xad8 [ 315.698699] ? trace_hardirqs_on+0xbd/0x310 [ 315.702493] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 315.707491] ? kasan_check_read+0x11/0x20 [ 315.711633] ? pvclock_read_flags+0x160/0x160 [ 315.715673] ? __kthread_parkme+0xce/0x1a0 [ 315.719722] ? lapic_next_event+0x5a/0x90 [ 315.725248] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.729469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.734473] ? kasan_check_write+0x14/0x20 [ 315.740043] ? check_preemption_disabled+0x48/0x200 [ 315.744092] ? do_raw_spin_lock+0xc1/0x200 [ 315.749191] ? check_preemption_disabled+0x48/0x200 [ 315.754221] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.758791] ? kvm_clock_read+0x18/0x30 [ 315.762576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.766881] ? kvm_sched_clock_read+0x9/0x20 [ 315.771969] ? __kthread_parkme+0xfb/0x1a0 [ 315.776100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.780580] kthread+0x35a/0x420 [ 315.784806] ? check_preemption_disabled+0x48/0x200 [ 315.788945] ? rcu_gp_init+0x1830/0x1830 [ 315.794390] irq_exit+0x17f/0x1c0 [ 315.799905] ? kthread_bind+0x40/0x40 [ 315.804128] smp_apic_timer_interrupt+0x1cb/0x760 [ 315.809129] ret_from_fork+0x3a/0x50 [ 315.813350] ? smp_reschedule_interrupt+0x109/0x650 [ 315.818361] NMI backtrace for cpu 0 [ 315.823453] ? smp_call_function_single_interrupt+0x650/0x650 [ 315.890156] ? interrupt_entry+0xb5/0xf0 [ 315.894221] ? trace_hardirqs_off_caller+0xbb/0x300 [ 315.899237] ? trace_hardirqs_off_caller+0xbb/0x300 [ 315.904257] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.909096] ? trace_hardirqs_off+0x300/0x300 [ 315.913600] ? trace_hardirqs_off+0x300/0x300 [ 315.918107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.923681] ? check_preemption_disabled+0x48/0x200 [ 315.928703] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.933552] apic_timer_interrupt+0xf/0x20 [ 315.937778] [ 315.940497] RIP: 0010:console_unlock+0x1017/0x11a0 [ 315.945432] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 315.964332] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 315.972042] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 315.979309] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 315.986585] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 315.993870] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 316.001131] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 316.008403] ? netconsole_netdev_event+0x280/0x280 [ 316.013350] ? console_unlock+0x100e/0x11a0 [ 316.017691] ? devkmsg_read+0xbb0/0xbb0 [ 316.021679] ? vprintk_emit+0x7f7/0x930 [ 316.025668] ? lock_release+0x970/0x970 [ 316.029647] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.035097] ? vprintk_default+0x28/0x30 [ 316.039320] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.044784] ? kasan_check_write+0x14/0x20 [ 316.049023] ? do_raw_spin_lock+0xc1/0x200 [ 316.053282] vprintk_emit+0x33d/0x930 [ 316.057090] ? wake_up_klogd+0x180/0x180 [ 316.061161] ? find_held_lock+0x36/0x1c0 [ 316.065231] ? mark_held_locks+0xc7/0x130 [ 316.069380] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.073872] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.078374] vprintk_default+0x28/0x30 [ 316.082257] vprintk_func+0x7e/0x181 [ 316.085973] printk+0xa7/0xcf [ 316.089079] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 316.093836] ? _raw_spin_unlock_irq+0x60/0x80 [ 316.098381] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 316.103668] dump_header+0x7cc/0xf72 [ 316.107392] ? pagefault_out_of_memory+0x197/0x197 [ 316.112331] ? __lock_acquire+0x7ec/0x4ec0 [ 316.116573] ? print_usage_bug+0xc0/0xc0 [ 316.120648] ? graph_lock+0x170/0x170 [ 316.124457] ? graph_lock+0x170/0x170 [ 316.128266] ? print_usage_bug+0xc0/0xc0 [ 316.132333] ? print_usage_bug+0xc0/0xc0 [ 316.136398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.142400] ? find_held_lock+0x36/0x1c0 [ 316.146478] ? mark_held_locks+0xc7/0x130 [ 316.150632] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 316.155736] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 316.160852] ? lockdep_hardirqs_on+0x421/0x5c0 [ 316.165439] ? trace_hardirqs_on+0xbd/0x310 [ 316.169763] ? kasan_check_read+0x11/0x20 [ 316.173913] ? ___ratelimit+0x36f/0x655 [ 316.177888] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.183343] ? trace_hardirqs_on+0x310/0x310 [ 316.187763] ? lock_downgrade+0x900/0x900 [ 316.191923] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 316.197027] ? ___ratelimit+0xaa/0x655 [ 316.200921] ? idr_get_free+0xec0/0xec0 [ 316.204896] ? kasan_check_write+0x14/0x20 [ 316.209159] ? do_raw_spin_lock+0xc1/0x200 [ 316.213428] oom_kill_process.cold.27+0x10/0x903 [ 316.218181] ? graph_lock+0x170/0x170 [ 316.221980] ? _raw_spin_unlock+0x2c/0x50 [ 316.226141] ? oom_badness+0xe6/0xaa0 [ 316.229946] ? oom_evaluate_task+0x540/0x540 [ 316.234358] ? find_held_lock+0x36/0x1c0 [ 316.238671] ? out_of_memory+0x974/0x14c0 [ 316.242819] ? lock_downgrade+0x900/0x900 [ 316.246965] ? check_preemption_disabled+0x48/0x200 [ 316.251983] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 316.257775] ? kasan_check_read+0x11/0x20 [ 316.261950] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.267225] ? rcu_bh_qs+0xc0/0xc0 [ 316.270769] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 316.276302] ? oom_evaluate_task+0x302/0x540 [ 316.280740] out_of_memory+0xa86/0x14c0 [ 316.284726] ? oom_killer_disable+0x3a0/0x3a0 [ 316.289273] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 316.294205] ? __mutex_add_waiter+0x2a0/0x2a0 [ 316.298726] __alloc_pages_slowpath+0x2318/0x2d80 [ 316.303600] ? warn_alloc+0x120/0x120 [ 316.307410] ? __radix_tree_lookup+0x4c0/0x4c0 [ 316.312017] ? find_get_entry+0x2f2/0xc40 [ 316.316174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.321717] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 316.326651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.332189] ? should_fail+0x22d/0xd01 [ 316.336081] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.341686] ? __lock_is_held+0xb5/0x140 [ 316.345773] ? __lock_is_held+0xb5/0x140 [ 316.349843] ? find_held_lock+0x36/0x1c0 [ 316.353911] ? ___might_sleep+0x1ed/0x300 [ 316.358061] ? lock_release+0x970/0x970 [ 316.362039] ? arch_local_save_flags+0x40/0x40 [ 316.366641] ? __might_sleep+0x95/0x190 [ 316.370619] __alloc_pages_nodemask+0xa80/0xde0 [ 316.375303] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 316.380345] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 316.386142] ? kasan_check_read+0x11/0x20 [ 316.390288] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.395571] ? graph_lock+0x170/0x170 [ 316.399388] ? print_usage_bug+0xc0/0xc0 [ 316.403481] ? graph_lock+0x170/0x170 [ 316.407281] ? graph_lock+0x170/0x170 [ 316.411077] ? __do_page_cache_readahead+0x7ce/0x980 [ 316.416200] ? find_held_lock+0x36/0x1c0 [ 316.420269] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 316.425815] alloc_pages_current+0x10c/0x210 [ 316.430223] ? lock_downgrade+0x900/0x900 [ 316.434385] __page_cache_alloc+0x38f/0x5b0 [ 316.438857] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 316.444657] ? kasan_check_read+0x11/0x20 [ 316.448815] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.454107] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 316.458771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.464308] ? check_preemption_disabled+0x48/0x200 [ 316.469374] filemap_fault+0x1594/0x25f0 [ 316.473463] ? __lock_page_or_retry+0xa00/0xa00 [ 316.478129] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 316.483952] ? kasan_check_read+0x11/0x20 [ 316.488104] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.493388] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 316.498495] ? rcu_bh_qs+0xc0/0xc0 [ 316.502040] ? trace_hardirqs_on+0xbd/0x310 [ 316.506362] ? kasan_check_read+0x11/0x20 [ 316.510520] ? __free_object+0x173/0x340 [ 316.514604] ? filemap_map_pages+0xdea/0x1980 [ 316.519116] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 316.524225] ? __free_object+0x173/0x340 [ 316.528288] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 316.533559] ? debug_object_free+0x325/0x690 [ 316.538470] ? find_get_pages_range_tag+0x1320/0x1320 [ 316.543667] ? graph_lock+0x170/0x170 [ 316.547473] ? kasan_check_read+0x11/0x20 [ 316.551619] ? debug_object_destroy+0x2b0/0x2b0 [ 316.556308] ? lock_acquire+0x1ed/0x520 [ 316.560282] ? ext4_filemap_fault+0x7a/0xad [ 316.564634] ? lock_release+0x970/0x970 [ 316.568621] ? arch_local_save_flags+0x40/0x40 [ 316.573232] ? futex_wait_setup+0x3e0/0x3e0 [ 316.577572] ? down_read+0xb0/0x1d0 [ 316.581199] ? ext4_filemap_fault+0x7a/0xad [ 316.585549] ? __down_interruptible+0x700/0x700 [ 316.590241] ext4_filemap_fault+0x82/0xad [ 316.594400] __do_fault+0x100/0x6b0 [ 316.598043] ? print_bad_pte+0x6c0/0x6c0 [ 316.602111] ? do_futex+0x249/0x26d0 [ 316.605831] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.611290] ? kasan_check_read+0x11/0x20 [ 316.615444] ? pmd_val+0x88/0x100 [ 316.618913] ? add_mm_counter_fast+0xd0/0xd0 [ 316.623359] ? pmd_val+0x88/0x100 [ 316.626814] ? add_mm_counter_fast+0xd0/0xd0 [ 316.631226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.636775] __handle_mm_fault+0x3709/0x53e0 [ 316.641706] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 316.646568] ? graph_lock+0x170/0x170 [ 316.650369] ? print_usage_bug+0xc0/0xc0 [ 316.654446] ? lockdep_hardirqs_on+0x421/0x5c0 [ 316.659040] ? graph_lock+0x170/0x170 [ 316.662849] ? graph_lock+0x170/0x170 [ 316.666686] ? handle_mm_fault+0x42a/0xc70 [ 316.670919] ? lock_downgrade+0x900/0x900 [ 316.675067] ? check_preemption_disabled+0x48/0x200 [ 316.680096] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 316.685893] ? kasan_check_read+0x11/0x20 [ 316.690043] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.695331] ? rcu_bh_qs+0xc0/0xc0 [ 316.698869] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.704329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.709868] ? check_preemption_disabled+0x48/0x200 [ 316.714898] handle_mm_fault+0x54f/0xc70 [ 316.719000] ? __handle_mm_fault+0x53e0/0x53e0 [ 316.723583] ? find_vma+0x34/0x190 [ 316.727129] __do_page_fault+0x67d/0xed0 [ 316.731211] ? mm_fault_error+0x380/0x380 [ 316.735384] ? trace_hardirqs_off+0xb8/0x300 [ 316.740307] ? trace_hardirqs_on+0x310/0x310 [ 316.744717] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 316.750080] ? trace_hardirqs_on+0x310/0x310 [ 316.754500] do_page_fault+0xf2/0x7e0 [ 316.758313] ? vmalloc_sync_all+0x30/0x30 [ 316.762485] ? error_entry+0x70/0xd0 [ 316.766223] ? trace_hardirqs_off_caller+0xbb/0x300 [ 316.771250] ? trace_hardirqs_on_caller+0xc0/0x300 [ 316.776179] ? syscall_return_slowpath+0x5e0/0x5e0 [ 316.781112] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.785957] ? trace_hardirqs_off+0x300/0x300 [ 316.790450] ? trace_hardirqs_off_caller+0x300/0x300 [ 316.795570] ? prepare_exit_to_usermode+0x291/0x3b0 [ 316.800585] ? page_fault+0x8/0x30 [ 316.804127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.808974] ? page_fault+0x8/0x30 [ 316.812520] page_fault+0x1e/0x30 [ 316.815967] RIP: 0033:0x45ddf3 [ 316.819170] Code: Bad RIP value. [ 316.822529] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 316.827891] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 316.835162] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 316.842772] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 316.850046] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 316.857310] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 316.864613] warn_alloc_show_mem: 1 callbacks suppressed [ 316.864625] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 316.864635] Mem-Info: [ 316.870011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.870021] Call Trace: [ 316.877219] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 316.877219] active_file:16 inactive_file:19 isolated_file:0 [ 316.877219] unevictable:0 dirty:0 writeback:0 unstable:0 [ 316.877219] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 316.877219] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 316.877219] free:13708 free_pcp:124 free_cma:0 [ 316.879599] [ 316.888987] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 316.891591] dump_stack+0x1c4/0x2b4 [ 316.924450] Node 0 [ 316.926604] ? dump_stack_print_info.cold.2+0x52/0x52 [ 316.954751] 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 [ 316.958358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.960571] lowmem_reserve[]: [ 316.965755] ? trace_hardirqs_off+0xb8/0x300 [ 316.991243] 0 [ 316.997313] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 317.000398] 2817 [ 317.004803] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 317.006582] 6321 [ 317.011260] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 317.013294] 6321 [ 317.018489] arch_trigger_cpumask_backtrace+0x14/0x20 [ 317.020527] Node 0 [ 317.025799] rcu_dump_cpu_stacks+0x175/0x1c2 [ 317.027862] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 317.033035] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 317.035240] lowmem_reserve[]: 0 [ 317.039770] print_cpu_stall.cold.78+0x2d3/0x524 [ 317.066725] 0 [ 317.071753] ? rcu_dynticks_snap+0x30/0x30 [ 317.074996] 3503 3503 [ 317.079768] ? check_preemption_disabled+0x48/0x200 [ 317.081545] Node 0 [ 317.085781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.088281] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 317.093269] ? check_preemption_disabled+0x48/0x200 [ 317.095476] lowmem_reserve[]: 0 [ 317.101023] ? check_preemption_disabled+0x48/0x200 [ 317.129695] 0 0 [ 317.134752] ? rcu_test_sync_prims+0x30/0x30 [ 317.138465] 0 [ 317.143489] ? __lock_is_held+0xb5/0x140 [ 317.145441] Node 0 [ 317.149851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.151633] DMA: [ 317.155686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.157907] 1*4kB [ 317.163445] ? check_preemption_disabled+0x48/0x200 [ 317.165517] (U) [ 317.171066] rcu_check_callbacks+0xfd9/0x1990 [ 317.173190] 0*8kB [ 317.178221] ? rcu_cpu_stall_reset+0x220/0x220 [ 317.180168] 0*16kB [ 317.184660] ? lock_release+0x970/0x970 [ 317.186788] 1*32kB [ 317.191397] ? graph_lock+0x170/0x170 [ 317.193619] (U) [ 317.197589] ? graph_lock+0x170/0x170 [ 317.199805] 2*64kB [ 317.203599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.205550] (U) [ 317.209346] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 317.211570] 1*128kB (U) [ 317.217116] ? kvm_vcpu_ready_for_interrupt_injection+0x1a0/0x1a0 [ 317.219082] 1*256kB (U) [ 317.223681] ? graph_lock+0x170/0x170 [ 317.226319] 0*512kB [ 317.232544] ? timekeeping_advance+0x3cc/0xc00 [ 317.235192] 1*1024kB [ 317.239015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.241314] (U) [ 317.245904] ? check_preemption_disabled+0x48/0x200 [ 317.248300] 1*2048kB (M) [ 317.253849] ? check_preemption_disabled+0x48/0x200 [ 317.255799] 3*4096kB (M) [ 317.260823] ? trace_hardirqs_off+0xb8/0x300 [ 317.263554] = 15908kB [ 317.263563] Node 0 [ 317.268579] ? __lock_is_held+0xb5/0x140 [ 317.271315] DMA32: [ 317.275713] ? trace_hardirqs_on+0x310/0x310 [ 317.278103] 3*4kB [ 317.280337] ? check_preemption_disabled+0x48/0x200 [ 317.284376] (UM) [ 317.286656] ? raise_softirq+0x199/0x420 [ 317.291039] 2*8kB [ 317.293191] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 317.298185] (M) [ 317.300276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.304306] 3*16kB (UM) [ 317.306460] ? check_preemption_disabled+0x48/0x200 [ 317.311103] 3*32kB [ 317.313077] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 317.318589] (M) [ 317.321256] ? hrtimer_run_queues+0x9a/0x400 [ 317.326250] 3*64kB [ 317.328480] ? run_local_timers+0x19b/0x230 [ 317.334016] (UM) [ 317.335985] ? timer_clear_idle+0x90/0x90 [ 317.340806] 4*128kB (UM) [ 317.343047] ? debug_smp_processor_id+0x1c/0x20 [ 317.347343] 3*256kB (M) [ 317.349413] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 317.353543] 4*512kB [ 317.356298] ? account_process_tick+0x282/0x350 [ 317.360940] (M) [ 317.363621] update_process_times+0x2d/0x70 [ 317.369575] 3*1024kB [ 317.371905] tick_sched_handle+0x9f/0x180 [ 317.376546] (UM) [ 317.378542] tick_sched_timer+0x45/0x130 [ 317.382852] 1*2048kB [ 317.385259] __hrtimer_run_queues+0x41c/0x10d0 [ 317.389383] (M) [ 317.391469] ? tick_sched_do_timer+0x1a0/0x1a0 [ 317.395497] 4*4096kB (M) [ 317.397928] ? hrtimer_start_range_ns+0xe00/0xe00 [ 317.402481] = 25196kB [ 317.402490] Node 0 [ 317.404463] ? pvclock_read_flags+0x160/0x160 [ 317.409023] Normal: [ 317.411776] ? trace_hardirqs_on+0x310/0x310 [ 317.416606] 852*4kB [ 317.419009] ? graph_lock+0x170/0x170 [ 317.421226] (UMEH) [ 317.425722] ? kvm_clock_read+0x18/0x30 [ 317.428024] 324*8kB [ 317.432428] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 317.434738] (UMEH) [ 317.438533] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 317.440748] 169*16kB [ 317.444715] ? do_timer+0x50/0x50 [ 317.447013] (UMEH) [ 317.452027] ? trace_hardirqs_on+0x310/0x310 [ 317.454241] 81*32kB [ 317.459600] ? do_raw_spin_lock+0xc1/0x200 [ 317.461993] (UMEH) 31*64kB [ 317.465494] hrtimer_interrupt+0x313/0x780 [ 317.467697] (UMH) 3*128kB [ 317.472128] smp_apic_timer_interrupt+0x1a1/0x760 [ 317.474413] (H) [ 317.478652] ? smp_call_function_single_interrupt+0x650/0x650 [ 317.481560] 1*256kB [ 317.485788] ? interrupt_entry+0xb5/0xf0 [ 317.488604] (H) 0*512kB [ 317.493454] ? trace_hardirqs_off_caller+0xbb/0x300 [ 317.495407] 0*1024kB [ 317.501325] ? ____cache_alloc_node+0x1c7/0x1e0 [ 317.503637] 0*2048kB [ 317.507707] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.510352] 0*4096kB [ 317.515363] ? trace_hardirqs_off+0x300/0x300 [ 317.517751] = 13920kB [ 317.522422] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.524817] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 317.529665] apic_timer_interrupt+0xf/0x20 [ 317.532070] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 317.536571] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 317.539436] 414 total pagecache pages [ 317.544295] Code: 40 7e 0f 85 32 ff ff ff e8 a5 c3 3e ff e9 28 ff ff ff e8 bc 20 c3 ff 48 83 3d 5c 6f 90 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 317.553113] 0 pages in swap cache [ 317.557332] RSP: 0018:ffff8801dae07450 EFLAGS: 00000282 [ 317.565890] Swap cache stats: add 0, delete 0, find 0/0 [ 317.565899] Free swap = 0kB [ 317.571259] ORIG_RAX: ffffffffffffff13 [ 317.575083] Total swap = 0kB [ 317.593991] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100373bd979 [ 317.597443] 1965979 pages RAM [ 317.602795] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 317.602809] RBP: ffff8801dae074c0 R08: ffff8801b9decbc8 R09: 0000000000000002 [ 317.608155] 0 pages HighMem/MovableOnly [ 317.611160] R10: 0000000000000000 R11: ffff8801b9dec300 R12: ffff8801d9be7680 [ 317.611173] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282 [ 317.615134] 342744 pages reserved [ 317.618159] ? apic_timer_interrupt+0xa/0x20 [ 317.625402] 0 pages cma reserved [ 317.628546] ? ipv6_get_ifaddr+0x42e/0x620 [ 317.635928] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 317.643157] __alloc_skb+0x119/0x770 [ 317.643174] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.643192] ? skb_scrub_packet+0x490/0x490 [ 317.647210] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 317.654419] ? lock_downgrade+0x900/0x900 [ 317.661673] syz-fuzzer cpuset= [ 317.665142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.669525] / [ 317.672886] ? refcount_sub_and_test_checked+0x203/0x310 [ 317.677112] mems_allowed=0 [ 317.683594] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 317.735405] ? addrconf_rs_timer+0x6f0/0x6f0 [ 317.739833] ndisc_alloc_skb+0x144/0x340 [ 317.743905] ndisc_send_rs+0x331/0x6e0 [ 317.747809] addrconf_rs_timer+0x3c0/0x6f0 [ 317.752054] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.756320] call_timer_fn+0x272/0x920 [ 317.760241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.764477] ? process_timeout+0x40/0x40 [ 317.768539] ? find_held_lock+0x36/0x1c0 [ 317.772620] ? __run_timers+0x7da/0xc70 [ 317.776626] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.781120] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.785618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.789854] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 317.794447] ? trace_hardirqs_on+0xbd/0x310 [ 317.798781] ? kasan_check_read+0x11/0x20 [ 317.802947] ? __run_timers+0x7da/0xc70 [ 317.806942] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 317.812400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.816640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.820877] __run_timers+0x7e5/0xc70 [ 317.824712] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 317.830082] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 317.835099] ? graph_lock+0x170/0x170 [ 317.839024] ? enqueue_hrtimer+0x1a5/0x560 [ 317.843264] ? lock_release+0x970/0x970 [ 317.847244] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 317.852452] ? find_held_lock+0x36/0x1c0 [ 317.856522] ? graph_lock+0x170/0x170 [ 317.860322] ? pvclock_read_flags+0x160/0x160 [ 317.864831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.870371] ? check_preemption_disabled+0x48/0x200 [ 317.875413] ? __lock_is_held+0xb5/0x140 [ 317.879476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.885018] ? check_preemption_disabled+0x48/0x200 [ 317.890042] run_timer_softirq+0x52/0xb0 [ 317.894109] ? rcu_read_lock_sched_held+0x108/0x120 [ 317.899133] __do_softirq+0x30b/0xad8 [ 317.902973] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 317.908085] ? pvclock_read_flags+0x160/0x160 [ 317.912583] ? lapic_next_event+0x5a/0x90 [ 317.916738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.922281] ? check_preemption_disabled+0x48/0x200 [ 317.927296] ? check_preemption_disabled+0x48/0x200 [ 317.932322] ? kvm_clock_read+0x18/0x30 [ 317.936297] ? kvm_sched_clock_read+0x9/0x20 [ 317.940811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.946348] ? check_preemption_disabled+0x48/0x200 [ 317.951375] irq_exit+0x17f/0x1c0 [ 317.954830] smp_apic_timer_interrupt+0x1cb/0x760 [ 317.959723] ? smp_reschedule_interrupt+0x109/0x650 [ 317.964744] ? smp_call_function_single_interrupt+0x650/0x650 [ 317.970627] ? interrupt_entry+0xb5/0xf0 [ 317.974689] ? trace_hardirqs_off_caller+0xbb/0x300 [ 317.979706] ? trace_hardirqs_off_caller+0xbb/0x300 [ 317.984722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.989570] ? trace_hardirqs_off+0x300/0x300 [ 317.994064] ? trace_hardirqs_off+0x300/0x300 [ 317.998559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.004095] ? check_preemption_disabled+0x48/0x200 [ 318.009113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.014671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.019524] apic_timer_interrupt+0xf/0x20 [ 318.023751] [ 318.025995] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 318.030932] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 318.049934] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 318.057640] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 318.065171] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 318.072436] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 318.079700] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 318.086967] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 318.094303] skb_clone+0x1bb/0x500 [ 318.097873] ? finish_task_switch+0x2f5/0x900 [ 318.102368] ? skb_split+0x11e0/0x11e0 [ 318.106260] ? preempt_notifier_register+0x200/0x200 [ 318.111372] ? __switch_to_asm+0x34/0x70 [ 318.115428] ? __switch_to_asm+0x34/0x70 [ 318.119487] ? __switch_to_asm+0x40/0x70 [ 318.123557] ? __switch_to_asm+0x34/0x70 [ 318.127616] ? __switch_to_asm+0x40/0x70 [ 318.131679] ? __switch_to_asm+0x34/0x70 [ 318.135741] ? __switch_to_asm+0x40/0x70 [ 318.139801] ? __switch_to_asm+0x34/0x70 [ 318.143866] ? __switch_to_asm+0x34/0x70 [ 318.147934] ? __switch_to_asm+0x40/0x70 [ 318.151993] ? __switch_to_asm+0x34/0x70 [ 318.156062] bpf_clone_redirect+0xb9/0x490 [ 318.160326] ? __schedule+0x874/0x1ed0 [ 318.164220] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 318.169256] ? __sched_text_start+0x8/0x8 [ 318.173419] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 318.178193] ? find_held_lock+0x36/0x1c0 [ 318.182266] ? lock_acquire+0x1ed/0x520 [ 318.186240] ? bpf_test_run+0x32e/0x5a0 [ 318.190235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.195778] ? check_preemption_disabled+0x48/0x200 [ 318.200801] ? kasan_check_read+0x11/0x20 [ 318.204952] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 318.210235] ? rcu_bh_qs+0xc0/0xc0 [ 318.213780] ? preempt_schedule+0x4d/0x60 [ 318.217935] ? ___preempt_schedule+0x16/0x18 [ 318.222352] ? bpf_test_run+0x1c0/0x5a0 [ 318.226340] ? netlink_diag_dump+0x2a0/0x2a0 [ 318.230752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.236303] ? bpf_test_init.isra.9+0x70/0x100 [ 318.241014] ? bpf_prog_test_run_skb+0x634/0xb40 [ 318.245793] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 318.250633] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 318.256172] ? fput+0x130/0x1a0 [ 318.259452] ? __bpf_prog_get+0x9b/0x290 [ 318.263527] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 318.268373] ? bpf_prog_test_run+0x130/0x1a0 [ 318.272793] ? __x64_sys_bpf+0x3d8/0x510 [ 318.276870] ? bpf_prog_get+0x20/0x20 [ 318.280708] ? ksys_ioctl+0x81/0xd0 [ 318.284344] ? do_syscall_64+0x1b9/0x820 [ 318.288407] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 318.293772] ? syscall_return_slowpath+0x5e0/0x5e0 [ 318.298704] ? trace_hardirqs_off+0x300/0x300 [ 318.303202] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 318.308217] ? recalc_sigpending_tsk+0x180/0x180 [ 318.312975] ? kasan_check_write+0x14/0x20 [ 318.317213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.322074] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 318.327461] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 318.327824] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 318.334397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.334402] Call Trace: [ 318.334408] [ 318.334429] dump_stack+0x1c4/0x2b4 [ 318.334446] ? dump_stack_print_info.cold.2+0x52/0x52 [ 318.341036] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 318.350315] warn_alloc.cold.118+0xb7/0x1bd [ 318.352873] syz-executor7 cpuset= [ 318.355017] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.358618] syz7 [ 318.363823] ? lock_downgrade+0x900/0x900 [ 318.374287] mems_allowed=0 [ 318.378605] ? trace_hardirqs_off+0xb8/0x300 [ 318.400270] ? trace_hardirqs_off+0xb8/0x300 [ 318.404699] __alloc_pages_slowpath+0x2667/0x2d80 [ 318.409586] ? warn_alloc+0x120/0x120 [ 318.413396] ? warn_alloc+0x120/0x120 [ 318.417207] ? print_usage_bug+0xc0/0xc0 [ 318.421268] ? warn_alloc+0x120/0x120 [ 318.425080] ? print_usage_bug+0xc0/0xc0 [ 318.429141] ? __lock_acquire+0x7ec/0x4ec0 [ 318.433397] ? __lock_acquire+0x7ec/0x4ec0 [ 318.437643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.443689] ? should_fail+0x22d/0xd01 [ 318.447585] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.452685] ? __lock_acquire+0x7ec/0x4ec0 [ 318.456924] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.462026] ? __lock_acquire+0x7ec/0x4ec0 [ 318.466270] ? should_fail+0x22d/0xd01 [ 318.470166] ? mark_held_locks+0x130/0x130 [ 318.474407] ? mark_held_locks+0x130/0x130 [ 318.478659] ? graph_lock+0x170/0x170 [ 318.482472] ? graph_lock+0x170/0x170 [ 318.486283] ? graph_lock+0x170/0x170 [ 318.490080] ? print_usage_bug+0xc0/0xc0 [ 318.494143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.499689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.505229] ? check_preemption_disabled+0x48/0x200 [ 318.510246] ? check_preemption_disabled+0x48/0x200 [ 318.515271] ? __lock_is_held+0xb5/0x140 [ 318.519339] __alloc_pages_nodemask+0xa80/0xde0 [ 318.524008] ? graph_lock+0x170/0x170 [ 318.527814] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 318.532837] ? graph_lock+0x170/0x170 [ 318.536682] ? find_held_lock+0x36/0x1c0 [ 318.540875] ? ____cache_alloc_node+0x1c7/0x1e0 [ 318.545545] ? lock_downgrade+0x900/0x900 [ 318.549715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.555267] cache_grow_begin+0x91/0x8c0 [ 318.559331] ? do_raw_spin_unlock+0xa7/0x2f0 [ 318.563753] fallback_alloc+0x203/0x2e0 [ 318.567735] ____cache_alloc_node+0x1c7/0x1e0 [ 318.572238] kmem_cache_alloc_node+0xe3/0x730 [ 318.576734] ? ipv6_get_ifaddr+0x42e/0x620 [ 318.580995] __alloc_skb+0x119/0x770 [ 318.584710] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 318.589988] ? skb_scrub_packet+0x490/0x490 [ 318.594347] ? lock_downgrade+0x900/0x900 [ 318.598514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.604053] ? refcount_sub_and_test_checked+0x203/0x310 [ 318.609518] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 318.614967] ? addrconf_rs_timer+0x6f0/0x6f0 [ 318.619390] ndisc_alloc_skb+0x144/0x340 [ 318.623463] ndisc_send_rs+0x331/0x6e0 [ 318.627358] addrconf_rs_timer+0x3c0/0x6f0 [ 318.631599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.635853] call_timer_fn+0x272/0x920 [ 318.640228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.644470] ? process_timeout+0x40/0x40 [ 318.648529] ? find_held_lock+0x36/0x1c0 [ 318.652596] ? mark_held_locks+0xc7/0x130 [ 318.656765] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.661265] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.665761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.670005] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 318.674595] ? trace_hardirqs_on+0xbd/0x310 [ 318.678928] ? kasan_check_read+0x11/0x20 [ 318.683090] ? __run_timers+0x7da/0xc70 [ 318.687073] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.692536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.696787] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.701037] __run_timers+0x7e5/0xc70 [ 318.704866] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 318.710243] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 318.715265] ? graph_lock+0x170/0x170 [ 318.719076] ? print_usage_bug+0xc0/0xc0 [ 318.723137] ? lock_release+0x970/0x970 [ 318.727120] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 318.732320] ? find_held_lock+0x36/0x1c0 [ 318.736388] ? graph_lock+0x170/0x170 [ 318.740671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.746215] ? check_preemption_disabled+0x48/0x200 [ 318.751258] ? __lock_is_held+0xb5/0x140 [ 318.755331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.760873] ? check_preemption_disabled+0x48/0x200 [ 318.765898] run_timer_softirq+0x52/0xb0 [ 318.769961] ? rcu_read_lock_sched_held+0x108/0x120 [ 318.774979] __do_softirq+0x30b/0xad8 [ 318.778793] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 318.783906] ? pvclock_read_flags+0x160/0x160 [ 318.788400] ? lapic_next_event+0x5a/0x90 [ 318.792555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.798098] ? check_preemption_disabled+0x48/0x200 [ 318.803116] ? check_preemption_disabled+0x48/0x200 [ 318.808138] ? kvm_clock_read+0x18/0x30 [ 318.812116] ? kvm_sched_clock_read+0x9/0x20 [ 318.816531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.822072] ? check_preemption_disabled+0x48/0x200 [ 318.827104] irq_exit+0x17f/0x1c0 [ 318.830567] smp_apic_timer_interrupt+0x1cb/0x760 [ 318.835440] ? smp_reschedule_interrupt+0x109/0x650 [ 318.840941] ? smp_call_function_single_interrupt+0x650/0x650 [ 318.846830] ? interrupt_entry+0xb5/0xf0 [ 318.850892] ? trace_hardirqs_off_caller+0xbb/0x300 [ 318.855911] ? trace_hardirqs_off_caller+0xbb/0x300 [ 318.860952] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.865797] ? trace_hardirqs_off+0x300/0x300 [ 318.870291] ? trace_hardirqs_off+0x300/0x300 [ 318.874792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.880333] ? check_preemption_disabled+0x48/0x200 [ 318.885360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.890216] apic_timer_interrupt+0xf/0x20 [ 318.894444] [ 318.896700] RIP: 0010:console_unlock+0x1017/0x11a0 [ 318.901666] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 318.920578] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 318.928295] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 318.935574] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 318.943356] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 318.950633] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 318.957903] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 318.965194] ? netconsole_netdev_event+0x280/0x280 [ 318.970135] ? console_unlock+0x100e/0x11a0 [ 318.974479] ? devkmsg_read+0xbb0/0xbb0 [ 318.978469] ? vprintk_emit+0x7f7/0x930 [ 318.982466] ? lock_release+0x970/0x970 [ 318.986447] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.991915] ? vprintk_default+0x28/0x30 [ 318.996214] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.001672] ? kasan_check_write+0x14/0x20 [ 319.005908] ? do_raw_spin_lock+0xc1/0x200 [ 319.010171] vprintk_emit+0x33d/0x930 [ 319.014010] ? wake_up_klogd+0x180/0x180 [ 319.018084] ? find_held_lock+0x36/0x1c0 [ 319.022155] ? mark_held_locks+0xc7/0x130 [ 319.026308] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.030811] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.035320] vprintk_default+0x28/0x30 [ 319.039934] vprintk_func+0x7e/0x181 [ 319.043689] printk+0xa7/0xcf [ 319.046802] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 319.051570] ? _raw_spin_unlock_irq+0x60/0x80 [ 319.056078] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 319.061366] dump_header+0x7cc/0xf72 [ 319.065119] ? pagefault_out_of_memory+0x197/0x197 [ 319.070060] ? __lock_acquire+0x7ec/0x4ec0 [ 319.074318] ? print_usage_bug+0xc0/0xc0 [ 319.078411] ? graph_lock+0x170/0x170 [ 319.082221] ? graph_lock+0x170/0x170 [ 319.086027] ? print_usage_bug+0xc0/0xc0 [ 319.090093] ? print_usage_bug+0xc0/0xc0 [ 319.094159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.099713] ? find_held_lock+0x36/0x1c0 [ 319.104308] ? mark_held_locks+0xc7/0x130 [ 319.108489] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 319.113592] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 319.118697] ? lockdep_hardirqs_on+0x421/0x5c0 [ 319.123284] ? trace_hardirqs_on+0xbd/0x310 [ 319.127607] ? kasan_check_read+0x11/0x20 [ 319.131765] ? ___ratelimit+0x36f/0x655 [ 319.135768] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.141694] ? trace_hardirqs_on+0x310/0x310 [ 319.146127] ? lock_downgrade+0x900/0x900 [ 319.150286] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 319.155392] ? ___ratelimit+0xaa/0x655 [ 319.159286] ? idr_get_free+0xec0/0xec0 [ 319.163263] ? kasan_check_write+0x14/0x20 [ 319.167504] ? do_raw_spin_lock+0xc1/0x200 [ 319.171756] oom_kill_process.cold.27+0x10/0x903 [ 319.176512] ? graph_lock+0x170/0x170 [ 319.180314] ? _raw_spin_unlock+0x2c/0x50 [ 319.184463] ? oom_badness+0xe6/0xaa0 [ 319.188270] ? oom_evaluate_task+0x540/0x540 [ 319.192701] ? find_held_lock+0x36/0x1c0 [ 319.196768] ? out_of_memory+0x974/0x14c0 [ 319.200917] ? lock_downgrade+0x900/0x900 [ 319.205067] ? check_preemption_disabled+0x48/0x200 [ 319.210092] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.215893] ? kasan_check_read+0x11/0x20 [ 319.220046] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.225332] ? rcu_bh_qs+0xc0/0xc0 [ 319.228875] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 319.234412] ? oom_evaluate_task+0x302/0x540 [ 319.239365] out_of_memory+0xa86/0x14c0 [ 319.243355] ? oom_killer_disable+0x3a0/0x3a0 [ 319.247854] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 319.252791] ? __mutex_add_waiter+0x2a0/0x2a0 [ 319.257344] __alloc_pages_slowpath+0x2318/0x2d80 [ 319.262220] ? warn_alloc+0x120/0x120 [ 319.266045] ? __radix_tree_lookup+0x4c0/0x4c0 [ 319.270675] ? find_get_entry+0x2f2/0xc40 [ 319.274835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.280387] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 319.285332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.290874] ? should_fail+0x22d/0xd01 [ 319.294766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.299875] ? __lock_is_held+0xb5/0x140 [ 319.303965] ? __lock_is_held+0xb5/0x140 [ 319.308036] ? find_held_lock+0x36/0x1c0 [ 319.312116] ? ___might_sleep+0x1ed/0x300 [ 319.316264] ? lock_release+0x970/0x970 [ 319.320241] ? arch_local_save_flags+0x40/0x40 [ 319.324837] ? __might_sleep+0x95/0x190 [ 319.328819] __alloc_pages_nodemask+0xa80/0xde0 [ 319.333495] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 319.339011] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.344808] ? kasan_check_read+0x11/0x20 [ 319.348959] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.354304] ? graph_lock+0x170/0x170 [ 319.358104] ? print_usage_bug+0xc0/0xc0 [ 319.362170] ? graph_lock+0x170/0x170 [ 319.365969] ? graph_lock+0x170/0x170 [ 319.369773] ? __do_page_cache_readahead+0x7ce/0x980 [ 319.374879] ? find_held_lock+0x36/0x1c0 [ 319.378961] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 319.384552] alloc_pages_current+0x10c/0x210 [ 319.388973] ? lock_downgrade+0x900/0x900 [ 319.393126] __page_cache_alloc+0x38f/0x5b0 [ 319.397454] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.403254] ? kasan_check_read+0x11/0x20 [ 319.407410] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.412699] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 319.417367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.422907] ? check_preemption_disabled+0x48/0x200 [ 319.427930] filemap_fault+0x1594/0x25f0 [ 319.432006] ? __lock_page_or_retry+0xa00/0xa00 [ 319.436691] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.443014] ? kasan_check_read+0x11/0x20 [ 319.447163] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.452454] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 319.457557] ? rcu_bh_qs+0xc0/0xc0 [ 319.461099] ? trace_hardirqs_on+0xbd/0x310 [ 319.465430] ? kasan_check_read+0x11/0x20 [ 319.469575] ? __free_object+0x173/0x340 [ 319.473647] ? filemap_map_pages+0xdea/0x1980 [ 319.478151] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 319.483256] ? __free_object+0x173/0x340 [ 319.487322] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 319.492593] ? debug_object_free+0x325/0x690 [ 319.497016] ? find_get_pages_range_tag+0x1320/0x1320 [ 319.502209] ? graph_lock+0x170/0x170 [ 319.506031] ? kasan_check_read+0x11/0x20 [ 319.510196] ? debug_object_destroy+0x2b0/0x2b0 [ 319.514881] ? lock_acquire+0x1ed/0x520 [ 319.518855] ? ext4_filemap_fault+0x7a/0xad [ 319.523180] ? lock_release+0x970/0x970 [ 319.527159] ? arch_local_save_flags+0x40/0x40 [ 319.531761] ? futex_wait_setup+0x3e0/0x3e0 [ 319.536099] ? down_read+0xb0/0x1d0 [ 319.540226] ? ext4_filemap_fault+0x7a/0xad [ 319.544550] ? __down_interruptible+0x700/0x700 [ 319.549242] ext4_filemap_fault+0x82/0xad [ 319.553406] __do_fault+0x100/0x6b0 [ 319.557041] ? print_bad_pte+0x6c0/0x6c0 [ 319.561106] ? do_futex+0x249/0x26d0 [ 319.564830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.570287] ? kasan_check_read+0x11/0x20 [ 319.574450] ? pmd_val+0x88/0x100 [ 319.577903] ? add_mm_counter_fast+0xd0/0xd0 [ 319.582310] ? pmd_val+0x88/0x100 [ 319.585766] ? add_mm_counter_fast+0xd0/0xd0 [ 319.590194] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.595736] __handle_mm_fault+0x3709/0x53e0 [ 319.600156] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 319.604998] ? graph_lock+0x170/0x170 [ 319.608800] ? print_usage_bug+0xc0/0xc0 [ 319.612858] ? lockdep_hardirqs_on+0x421/0x5c0 [ 319.617459] ? graph_lock+0x170/0x170 [ 319.621259] ? graph_lock+0x170/0x170 [ 319.625083] ? handle_mm_fault+0x42a/0xc70 [ 319.629319] ? lock_downgrade+0x900/0x900 [ 319.633468] ? check_preemption_disabled+0x48/0x200 [ 319.639013] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.644812] ? kasan_check_read+0x11/0x20 [ 319.648961] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.654256] ? rcu_bh_qs+0xc0/0xc0 [ 319.657794] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.663249] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.668833] ? check_preemption_disabled+0x48/0x200 [ 319.673860] handle_mm_fault+0x54f/0xc70 [ 319.677953] ? __handle_mm_fault+0x53e0/0x53e0 [ 319.682552] ? find_vma+0x34/0x190 [ 319.686099] __do_page_fault+0x67d/0xed0 [ 319.690170] ? mm_fault_error+0x380/0x380 [ 319.694317] ? trace_hardirqs_off+0xb8/0x300 [ 319.698722] ? trace_hardirqs_on+0x310/0x310 [ 319.703129] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 319.708497] ? trace_hardirqs_on+0x310/0x310 [ 319.712913] do_page_fault+0xf2/0x7e0 [ 319.716722] ? vmalloc_sync_all+0x30/0x30 [ 319.720871] ? error_entry+0x70/0xd0 [ 319.724586] ? trace_hardirqs_off_caller+0xbb/0x300 [ 319.729600] ? trace_hardirqs_on_caller+0xc0/0x300 [ 319.734539] ? syscall_return_slowpath+0x5e0/0x5e0 [ 319.739962] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.744820] ? trace_hardirqs_off+0x300/0x300 [ 319.749313] ? trace_hardirqs_off_caller+0x300/0x300 [ 319.754425] ? prepare_exit_to_usermode+0x291/0x3b0 [ 319.759445] ? page_fault+0x8/0x30 [ 319.762988] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.767834] ? page_fault+0x8/0x30 [ 319.771376] page_fault+0x1e/0x30 [ 319.774830] RIP: 0033:0x45ddf3 [ 319.778027] Code: Bad RIP value. [ 319.781391] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 319.786772] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 319.794040] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 319.801305] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 319.808569] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 319.815833] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 319.823142] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 319.823145] Mem-Info: [ 319.823174] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 319.823174] active_file:16 inactive_file:19 isolated_file:0 [ 319.823174] unevictable:0 dirty:0 writeback:0 unstable:0 [ 319.823174] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 319.823174] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 319.823174] free:13708 free_pcp:124 free_cma:0 [ 319.830347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.832786] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 319.865646] Call Trace: [ 319.875001] Node 0 [ 319.902674] [ 319.905270] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 319.907479] dump_stack+0x1c4/0x2b4 [ 319.909597] lowmem_reserve[]: 0 [ 319.935122] ? dump_stack_print_info.cold.2+0x52/0x52 [ 319.939112] 2817 6321 [ 319.942431] warn_alloc.cold.118+0xb7/0x1bd [ 319.947591] 6321 [ 319.950082] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 319.956455] ? lock_downgrade+0x900/0x900 [ 319.961278] Node 0 DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 319.965461] ? trace_hardirqs_off+0xb8/0x300 [ 319.965482] ? trace_hardirqs_off+0xb8/0x300 [ 319.993041] lowmem_reserve[]: 0 [ 319.997479] __alloc_pages_slowpath+0x2667/0x2d80 [ 320.001858] 0 [ 320.005170] ? warn_alloc+0x120/0x120 [ 320.009965] 3503 [ 320.011763] ? trace_hardirqs_on+0x310/0x310 [ 320.015543] 3503 [ 320.017601] ? warn_alloc+0x120/0x120 [ 320.022001] Node 0 [ 320.024060] ? print_usage_bug+0xc0/0xc0 [ 320.027862] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 320.030070] ? warn_alloc+0x120/0x120 [ 320.034101] lowmem_reserve[]: 0 [ 320.062296] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 320.062314] ? print_usage_bug+0xc0/0xc0 [ 320.066097] 0 [ 320.069384] ? __lock_acquire+0x7ec/0x4ec0 [ 320.074380] 0 [ 320.078451] ? __lock_acquire+0x7ec/0x4ec0 [ 320.080240] 0 [ 320.084472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.090488] ? should_fail+0x22d/0xd01 [ 320.092263] Node 0 [ 320.097797] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.101661] DMA: [ 320.103896] ? __lock_acquire+0x7ec/0x4ec0 [ 320.108977] 1*4kB [ 320.111037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.115242] (U) 0*8kB [ 320.117424] ? __lock_acquire+0x7ec/0x4ec0 [ 320.122513] 0*16kB [ 320.125004] ? should_fail+0x22d/0xd01 [ 320.129230] 1*32kB (U) [ 320.131474] ? print_usage_bug+0xc0/0xc0 [ 320.135343] 2*64kB [ 320.137976] ? mark_held_locks+0x130/0x130 [ 320.142474] (U) [ 320.144716] ? mark_held_locks+0x130/0x130 [ 320.148933] 1*128kB [ 320.150913] ? graph_lock+0x170/0x170 [ 320.155121] (U) [ 320.157436] ? print_usage_bug+0xc0/0xc0 [ 320.157455] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 320.161233] 1*256kB [ 320.163209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.167243] (U) [ 320.171999] ? check_preemption_disabled+0x48/0x200 [ 320.174296] 0*512kB 1*1024kB [ 320.179836] ? check_preemption_disabled+0x48/0x200 [ 320.181792] (U) [ 320.186806] ? __lock_is_held+0xb5/0x140 [ 320.189891] 1*2048kB [ 320.194907] __alloc_pages_nodemask+0xa80/0xde0 [ 320.196888] (M) [ 320.200945] ? graph_lock+0x170/0x170 [ 320.203335] 3*4096kB [ 320.208008] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 320.209963] (M) [ 320.213760] ? graph_lock+0x170/0x170 [ 320.216143] = 15908kB [ 320.216152] Node 0 [ 320.221172] ? find_held_lock+0x36/0x1c0 [ 320.223116] DMA32: 3*4kB [ 320.226933] ? ____cache_alloc_node+0x1c7/0x1e0 [ 320.229321] (UM) [ 320.231559] ? lock_downgrade+0x900/0x900 [ 320.235600] 2*8kB [ 320.238385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.238397] cache_grow_begin+0x91/0x8c0 [ 320.238406] ? do_raw_spin_unlock+0xa7/0x2f0 [ 320.238418] fallback_alloc+0x203/0x2e0 [ 320.238437] ____cache_alloc_node+0x1c7/0x1e0 [ 320.238458] kmem_cache_alloc_node+0xe3/0x730 [ 320.243106] (M) [ 320.245171] ? ipv6_get_ifaddr+0x42e/0x620 [ 320.249294] 3*16kB [ 320.251448] __alloc_skb+0x119/0x770 [ 320.256968] (UM) [ 320.261029] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.265406] 3*32kB (M) [ 320.269390] ? skb_scrub_packet+0x490/0x490 [ 320.273868] 3*64kB [ 320.278358] ? lock_downgrade+0x900/0x900 [ 320.280316] (UM) [ 320.284551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.286768] 4*128kB [ 320.290472] ? refcount_sub_and_test_checked+0x203/0x310 [ 320.292508] (UM) [ 320.297785] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 320.300362] 3*256kB [ 320.304708] ? addrconf_rs_timer+0x6f0/0x6f0 [ 320.306934] (M) [ 320.311174] ndisc_alloc_skb+0x144/0x340 [ 320.313209] 4*512kB [ 320.318767] ndisc_send_rs+0x331/0x6e0 [ 320.321070] (M) [ 320.326543] addrconf_rs_timer+0x3c0/0x6f0 [ 320.328583] 3*1024kB [ 320.334028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.336333] (UM) [ 320.340748] call_timer_fn+0x272/0x920 [ 320.342699] 1*2048kB [ 320.346757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.349058] (M) [ 320.352949] ? process_timeout+0x40/0x40 [ 320.354905] 4*4096kB [ 320.359131] ? find_held_lock+0x36/0x1c0 [ 320.359156] ? __run_timers+0x7da/0xc70 [ 320.361554] (M) [ 320.365786] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.367832] = 25196kB [ 320.371744] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.374136] Node 0 [ 320.378392] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.380365] Normal: [ 320.384422] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 320.386814] 852*4kB [ 320.390875] ? trace_hardirqs_on+0xbd/0x310 [ 320.394845] (UMEH) [ 320.396848] ? kasan_check_read+0x11/0x20 [ 320.401320] 324*8kB [ 320.403731] ? __run_timers+0x7da/0xc70 [ 320.408201] (UMEH) [ 320.410432] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.414655] 169*16kB [ 320.416975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.421533] (UMEH) [ 320.423864] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.428171] 81*32kB [ 320.430403] __run_timers+0x7e5/0xc70 [ 320.434529] (UMEH) 31*64kB [ 320.436868] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 320.441253] (UMH) 3*128kB [ 320.443515] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 320.448940] (H) [ 320.451356] ? graph_lock+0x170/0x170 [ 320.455572] 1*256kB [ 320.457799] ? enqueue_hrtimer+0x1a5/0x560 [ 320.462021] (H) [ 320.464339] ? lock_release+0x970/0x970 [ 320.464355] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 320.468147] 0*512kB [ 320.471082] ? find_held_lock+0x36/0x1c0 [ 320.476427] 0*1024kB [ 320.479263] ? graph_lock+0x170/0x170 [ 320.484252] 0*2048kB 0*4096kB [ 320.486232] ? pvclock_read_flags+0x160/0x160 [ 320.490009] = 13920kB [ 320.492325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.496540] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 320.498508] ? check_preemption_disabled+0x48/0x200 [ 320.502461] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 320.507645] ? __lock_is_held+0xb5/0x140 [ 320.509952] 414 total pagecache pages [ 320.514019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.516418] 0 pages in swap cache [ 320.520208] ? check_preemption_disabled+0x48/0x200 [ 320.523372] Swap cache stats: add 0, delete 0, find 0/0 [ 320.523381] Free swap = 0kB [ 320.527874] run_timer_softirq+0x52/0xb0 [ 320.530264] Total swap = 0kB [ 320.535795] ? rcu_read_lock_sched_held+0x108/0x120 [ 320.545072] 1965979 pages RAM [ 320.550087] __do_softirq+0x30b/0xad8 [ 320.558646] 0 pages HighMem/MovableOnly [ 320.562748] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 320.566523] 342744 pages reserved [ 320.572056] ? pvclock_read_flags+0x160/0x160 [ 320.575485] 0 pages cma reserved [ 320.580504] ? lapic_next_event+0x5a/0x90 [ 320.585910] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 320.588864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.592993] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 320.595932] ? check_preemption_disabled+0x48/0x200 [ 320.600917] syz-fuzzer cpuset= [ 320.604047] ? check_preemption_disabled+0x48/0x200 [ 320.607821] / [ 320.611795] ? kvm_clock_read+0x18/0x30 [ 320.616878] mems_allowed=0 [ 320.620337] ? kvm_sched_clock_read+0x9/0x20 [ 320.680745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.686297] ? check_preemption_disabled+0x48/0x200 [ 320.691327] irq_exit+0x17f/0x1c0 [ 320.694824] smp_apic_timer_interrupt+0x1cb/0x760 [ 320.699669] ? smp_reschedule_interrupt+0x109/0x650 [ 320.704687] ? smp_call_function_single_interrupt+0x650/0x650 [ 320.710571] ? interrupt_entry+0xb5/0xf0 [ 320.714631] ? trace_hardirqs_off_caller+0xbb/0x300 [ 320.719678] ? trace_hardirqs_off_caller+0xbb/0x300 [ 320.724710] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.729548] ? trace_hardirqs_off+0x300/0x300 [ 320.734037] ? trace_hardirqs_off+0x300/0x300 [ 320.738527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.744060] ? check_preemption_disabled+0x48/0x200 [ 320.749075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.754618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.759471] apic_timer_interrupt+0xf/0x20 [ 320.763702] [ 320.765944] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 320.770890] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 320.789793] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 320.797516] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 320.804781] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 320.812051] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 320.819315] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 320.826580] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 320.833902] skb_clone+0x1bb/0x500 [ 320.837448] ? finish_task_switch+0x2f5/0x900 [ 320.841965] ? skb_split+0x11e0/0x11e0 [ 320.845858] ? preempt_notifier_register+0x200/0x200 [ 320.850965] ? __switch_to_asm+0x34/0x70 [ 320.855025] ? __switch_to_asm+0x34/0x70 [ 320.859087] ? __switch_to_asm+0x40/0x70 [ 320.863143] ? __switch_to_asm+0x34/0x70 [ 320.867208] ? __switch_to_asm+0x40/0x70 [ 320.871301] ? __switch_to_asm+0x34/0x70 [ 320.875371] ? __switch_to_asm+0x40/0x70 [ 320.879441] ? __switch_to_asm+0x34/0x70 [ 320.883502] ? __switch_to_asm+0x34/0x70 [ 320.887560] ? __switch_to_asm+0x40/0x70 [ 320.891622] ? __switch_to_asm+0x34/0x70 [ 320.895694] bpf_clone_redirect+0xb9/0x490 [ 320.899941] ? __schedule+0x874/0x1ed0 [ 320.903835] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 320.908853] ? __sched_text_start+0x8/0x8 [ 320.913004] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 320.917773] ? find_held_lock+0x36/0x1c0 [ 320.921846] ? lock_acquire+0x1ed/0x520 [ 320.925818] ? bpf_test_run+0x32e/0x5a0 [ 320.929794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.935363] ? check_preemption_disabled+0x48/0x200 [ 320.940534] ? kasan_check_read+0x11/0x20 [ 320.944707] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.949985] ? rcu_bh_qs+0xc0/0xc0 [ 320.953533] ? preempt_schedule+0x4d/0x60 [ 320.957680] ? ___preempt_schedule+0x16/0x18 [ 320.962100] ? bpf_test_run+0x1c0/0x5a0 [ 320.966085] ? netlink_diag_dump+0x2a0/0x2a0 [ 320.970498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.976053] ? bpf_test_init.isra.9+0x70/0x100 [ 320.980641] ? bpf_prog_test_run_skb+0x634/0xb40 [ 320.985409] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 320.990267] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 320.996356] ? fput+0x130/0x1a0 [ 320.999654] ? __bpf_prog_get+0x9b/0x290 [ 321.003719] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 321.008573] ? bpf_prog_test_run+0x130/0x1a0 [ 321.012988] ? __x64_sys_bpf+0x3d8/0x510 [ 321.017056] ? bpf_prog_get+0x20/0x20 [ 321.020865] ? ksys_ioctl+0x81/0xd0 [ 321.024505] ? do_syscall_64+0x1b9/0x820 [ 321.028568] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 321.033945] ? syscall_return_slowpath+0x5e0/0x5e0 [ 321.038881] ? trace_hardirqs_off+0x300/0x300 [ 321.043397] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 321.048411] ? recalc_sigpending_tsk+0x180/0x180 [ 321.053172] ? kasan_check_write+0x14/0x20 [ 321.057417] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.062273] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 321.067659] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 321.067730] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 321.074596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 321.074602] Call Trace: [ 321.074609] [ 321.074625] dump_stack+0x1c4/0x2b4 [ 321.074652] ? dump_stack_print_info.cold.2+0x52/0x52 [ 321.081219] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 321.090492] warn_alloc.cold.118+0xb7/0x1bd [ 321.093051] syz-executor7 cpuset= [ 321.095202] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 321.098807] syz7 [ 321.104472] ? lock_downgrade+0x900/0x900 [ 321.114951] mems_allowed=0 [ 321.119276] ? trace_hardirqs_off+0xb8/0x300 [ 321.141454] ? trace_hardirqs_off+0xb8/0x300 [ 321.145877] __alloc_pages_slowpath+0x2667/0x2d80 [ 321.150777] ? warn_alloc+0x120/0x120 [ 321.154585] ? trace_hardirqs_on+0x310/0x310 [ 321.158996] ? warn_alloc+0x120/0x120 [ 321.162803] ? print_usage_bug+0xc0/0xc0 [ 321.166882] ? warn_alloc+0x120/0x120 [ 321.170686] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 321.175713] ? print_usage_bug+0xc0/0xc0 [ 321.179782] ? __lock_acquire+0x7ec/0x4ec0 [ 321.184017] ? __lock_acquire+0x7ec/0x4ec0 [ 321.188260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.193798] ? should_fail+0x22d/0xd01 [ 321.197693] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.202796] ? __lock_acquire+0x7ec/0x4ec0 [ 321.207041] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.212145] ? __lock_acquire+0x7ec/0x4ec0 [ 321.216381] ? should_fail+0x22d/0xd01 [ 321.220290] ? print_usage_bug+0xc0/0xc0 [ 321.224373] ? mark_held_locks+0x130/0x130 [ 321.228616] ? mark_held_locks+0x130/0x130 [ 321.232872] ? graph_lock+0x170/0x170 [ 321.236673] ? print_usage_bug+0xc0/0xc0 [ 321.241173] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 321.245933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.251473] ? check_preemption_disabled+0x48/0x200 [ 321.256489] ? check_preemption_disabled+0x48/0x200 [ 321.261512] ? __lock_is_held+0xb5/0x140 [ 321.265581] __alloc_pages_nodemask+0xa80/0xde0 [ 321.270249] ? graph_lock+0x170/0x170 [ 321.274055] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 321.279068] ? graph_lock+0x170/0x170 [ 321.282895] ? find_held_lock+0x36/0x1c0 [ 321.286986] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.291659] ? lock_downgrade+0x900/0x900 [ 321.295814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.301357] cache_grow_begin+0x91/0x8c0 [ 321.305426] ? do_raw_spin_unlock+0xa7/0x2f0 [ 321.309852] fallback_alloc+0x203/0x2e0 [ 321.313833] ____cache_alloc_node+0x1c7/0x1e0 [ 321.318333] kmem_cache_alloc_node+0xe3/0x730 [ 321.322861] ? ipv6_get_ifaddr+0x42e/0x620 [ 321.327130] __alloc_skb+0x119/0x770 [ 321.330849] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.336134] ? skb_scrub_packet+0x490/0x490 [ 321.340915] ? lock_downgrade+0x900/0x900 [ 321.345079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.350618] ? refcount_sub_and_test_checked+0x203/0x310 [ 321.356083] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 321.361540] ? addrconf_rs_timer+0x6f0/0x6f0 [ 321.365962] ndisc_alloc_skb+0x144/0x340 [ 321.370030] ndisc_send_rs+0x331/0x6e0 [ 321.373927] addrconf_rs_timer+0x3c0/0x6f0 [ 321.378172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.382442] call_timer_fn+0x272/0x920 [ 321.386330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.390566] ? process_timeout+0x40/0x40 [ 321.394645] ? find_held_lock+0x36/0x1c0 [ 321.398718] ? mark_held_locks+0xc7/0x130 [ 321.402870] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.407375] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.411881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.416131] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 321.420717] ? trace_hardirqs_on+0xbd/0x310 [ 321.425041] ? kasan_check_read+0x11/0x20 [ 321.429204] ? __run_timers+0x7da/0xc70 [ 321.433182] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.439096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.443338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.447575] __run_timers+0x7e5/0xc70 [ 321.451390] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 321.456764] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 321.461784] ? graph_lock+0x170/0x170 [ 321.465596] ? print_usage_bug+0xc0/0xc0 [ 321.469661] ? lock_release+0x970/0x970 [ 321.473641] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 321.478840] ? find_held_lock+0x36/0x1c0 [ 321.482909] ? graph_lock+0x170/0x170 [ 321.486720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.492263] ? check_preemption_disabled+0x48/0x200 [ 321.497292] ? __lock_is_held+0xb5/0x140 [ 321.501372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.506910] ? check_preemption_disabled+0x48/0x200 [ 321.511940] run_timer_softirq+0x52/0xb0 [ 321.516025] ? rcu_read_lock_sched_held+0x108/0x120 [ 321.521058] __do_softirq+0x30b/0xad8 [ 321.524872] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 321.529981] ? pvclock_read_flags+0x160/0x160 [ 321.534479] ? lapic_next_event+0x5a/0x90 [ 321.539102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.544646] ? check_preemption_disabled+0x48/0x200 [ 321.549691] ? check_preemption_disabled+0x48/0x200 [ 321.554714] ? kvm_clock_read+0x18/0x30 [ 321.558690] ? kvm_sched_clock_read+0x9/0x20 [ 321.563100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.568648] ? check_preemption_disabled+0x48/0x200 [ 321.573701] irq_exit+0x17f/0x1c0 [ 321.577184] smp_apic_timer_interrupt+0x1cb/0x760 [ 321.582027] ? smp_reschedule_interrupt+0x109/0x650 [ 321.587049] ? smp_call_function_single_interrupt+0x650/0x650 [ 321.592934] ? interrupt_entry+0xb5/0xf0 [ 321.596999] ? trace_hardirqs_off_caller+0xbb/0x300 [ 321.602018] ? trace_hardirqs_off_caller+0xbb/0x300 [ 321.607037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.611886] ? trace_hardirqs_off+0x300/0x300 [ 321.616382] ? trace_hardirqs_off+0x300/0x300 [ 321.620881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.626426] ? check_preemption_disabled+0x48/0x200 [ 321.631457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.636312] apic_timer_interrupt+0xf/0x20 [ 321.640992] [ 321.643234] RIP: 0010:console_unlock+0x1017/0x11a0 [ 321.648256] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 321.667154] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 321.674866] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 321.682136] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 321.689403] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 321.696680] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 321.703952] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 321.711238] ? netconsole_netdev_event+0x280/0x280 [ 321.716193] ? console_unlock+0x100e/0x11a0 [ 321.720538] ? devkmsg_read+0xbb0/0xbb0 [ 321.724528] ? vprintk_emit+0x7f7/0x930 [ 321.728518] ? lock_release+0x970/0x970 [ 321.732499] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.737977] ? vprintk_default+0x28/0x30 [ 321.742165] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.747624] ? kasan_check_write+0x14/0x20 [ 321.751870] ? do_raw_spin_lock+0xc1/0x200 [ 321.756122] vprintk_emit+0x33d/0x930 [ 321.759933] ? wake_up_klogd+0x180/0x180 [ 321.764008] ? find_held_lock+0x36/0x1c0 [ 321.768080] ? mark_held_locks+0xc7/0x130 [ 321.772237] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.776743] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.781252] vprintk_default+0x28/0x30 [ 321.785146] vprintk_func+0x7e/0x181 [ 321.788868] printk+0xa7/0xcf [ 321.791978] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 321.796744] ? _raw_spin_unlock_irq+0x60/0x80 [ 321.801258] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 321.806546] dump_header+0x7cc/0xf72 [ 321.810322] ? pagefault_out_of_memory+0x197/0x197 [ 321.815262] ? __lock_acquire+0x7ec/0x4ec0 [ 321.819506] ? print_usage_bug+0xc0/0xc0 [ 321.823574] ? graph_lock+0x170/0x170 [ 321.827377] ? graph_lock+0x170/0x170 [ 321.831181] ? print_usage_bug+0xc0/0xc0 [ 321.835247] ? print_usage_bug+0xc0/0xc0 [ 321.839796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.845340] ? find_held_lock+0x36/0x1c0 [ 321.849412] ? mark_held_locks+0xc7/0x130 [ 321.853570] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 321.858673] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 321.863777] ? lockdep_hardirqs_on+0x421/0x5c0 [ 321.868363] ? trace_hardirqs_on+0xbd/0x310 [ 321.872686] ? kasan_check_read+0x11/0x20 [ 321.876837] ? ___ratelimit+0x36f/0x655 [ 321.880817] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.886273] ? trace_hardirqs_on+0x310/0x310 [ 321.890685] ? lock_downgrade+0x900/0x900 [ 321.894843] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 321.899954] ? ___ratelimit+0xaa/0x655 [ 321.903850] ? idr_get_free+0xec0/0xec0 [ 321.907841] ? kasan_check_write+0x14/0x20 [ 321.912081] ? do_raw_spin_lock+0xc1/0x200 [ 321.916329] oom_kill_process.cold.27+0x10/0x903 [ 321.921087] ? graph_lock+0x170/0x170 [ 321.924890] ? _raw_spin_unlock+0x2c/0x50 [ 321.929042] ? oom_badness+0xe6/0xaa0 [ 321.932858] ? oom_evaluate_task+0x540/0x540 [ 321.937279] ? find_held_lock+0x36/0x1c0 [ 321.941707] ? out_of_memory+0x974/0x14c0 [ 321.945869] ? lock_downgrade+0x900/0x900 [ 321.950022] ? check_preemption_disabled+0x48/0x200 [ 321.955055] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 321.960862] ? kasan_check_read+0x11/0x20 [ 321.965036] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.970324] ? rcu_bh_qs+0xc0/0xc0 [ 321.973878] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 321.979425] ? oom_evaluate_task+0x302/0x540 [ 321.983847] out_of_memory+0xa86/0x14c0 [ 321.987835] ? oom_killer_disable+0x3a0/0x3a0 [ 321.992335] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 321.997277] ? __mutex_add_waiter+0x2a0/0x2a0 [ 322.001792] __alloc_pages_slowpath+0x2318/0x2d80 [ 322.006680] ? warn_alloc+0x120/0x120 [ 322.010482] ? __radix_tree_lookup+0x4c0/0x4c0 [ 322.015084] ? find_get_entry+0x2f2/0xc40 [ 322.019248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.024794] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 322.029725] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.035266] ? should_fail+0x22d/0xd01 [ 322.039624] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.044744] ? __lock_is_held+0xb5/0x140 [ 322.048838] ? __lock_is_held+0xb5/0x140 [ 322.052921] ? find_held_lock+0x36/0x1c0 [ 322.056988] ? ___might_sleep+0x1ed/0x300 [ 322.061135] ? lock_release+0x970/0x970 [ 322.065114] ? arch_local_save_flags+0x40/0x40 [ 322.069711] ? __might_sleep+0x95/0x190 [ 322.073700] __alloc_pages_nodemask+0xa80/0xde0 [ 322.078385] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 322.083406] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 322.089213] ? kasan_check_read+0x11/0x20 [ 322.093363] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.098656] ? graph_lock+0x170/0x170 [ 322.102463] ? print_usage_bug+0xc0/0xc0 [ 322.106530] ? graph_lock+0x170/0x170 [ 322.110328] ? graph_lock+0x170/0x170 [ 322.114132] ? __do_page_cache_readahead+0x7ce/0x980 [ 322.119240] ? find_held_lock+0x36/0x1c0 [ 322.123307] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 322.128849] alloc_pages_current+0x10c/0x210 [ 322.133256] ? lock_downgrade+0x900/0x900 [ 322.137408] __page_cache_alloc+0x38f/0x5b0 [ 322.142230] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 322.148032] ? kasan_check_read+0x11/0x20 [ 322.152181] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.157465] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 322.162140] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.167684] ? check_preemption_disabled+0x48/0x200 [ 322.172713] filemap_fault+0x1594/0x25f0 [ 322.176791] ? __lock_page_or_retry+0xa00/0xa00 [ 322.181462] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 322.187264] ? kasan_check_read+0x11/0x20 [ 322.191414] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.196698] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 322.201804] ? rcu_bh_qs+0xc0/0xc0 [ 322.205345] ? trace_hardirqs_on+0xbd/0x310 [ 322.209670] ? kasan_check_read+0x11/0x20 [ 322.213823] ? __free_object+0x173/0x340 [ 322.217895] ? filemap_map_pages+0xdea/0x1980 [ 322.222399] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 322.227508] ? __free_object+0x173/0x340 [ 322.231573] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 322.236848] ? debug_object_free+0x325/0x690 [ 322.241703] ? find_get_pages_range_tag+0x1320/0x1320 [ 322.246910] ? graph_lock+0x170/0x170 [ 322.250725] ? kasan_check_read+0x11/0x20 [ 322.254876] ? debug_object_destroy+0x2b0/0x2b0 [ 322.259555] ? lock_acquire+0x1ed/0x520 [ 322.263529] ? ext4_filemap_fault+0x7a/0xad [ 322.267861] ? lock_release+0x970/0x970 [ 322.271842] ? arch_local_save_flags+0x40/0x40 [ 322.276433] ? futex_wait_setup+0x3e0/0x3e0 [ 322.280784] ? down_read+0xb0/0x1d0 [ 322.284412] ? ext4_filemap_fault+0x7a/0xad [ 322.288741] ? __down_interruptible+0x700/0x700 [ 322.293434] ext4_filemap_fault+0x82/0xad [ 322.297587] __do_fault+0x100/0x6b0 [ 322.301223] ? print_bad_pte+0x6c0/0x6c0 [ 322.305285] ? do_futex+0x249/0x26d0 [ 322.308998] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.314456] ? kasan_check_read+0x11/0x20 [ 322.318604] ? pmd_val+0x88/0x100 [ 322.322065] ? add_mm_counter_fast+0xd0/0xd0 [ 322.326474] ? pmd_val+0x88/0x100 [ 322.329931] ? add_mm_counter_fast+0xd0/0xd0 [ 322.334345] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.340394] __handle_mm_fault+0x3709/0x53e0 [ 322.344821] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 322.349669] ? graph_lock+0x170/0x170 [ 322.353472] ? print_usage_bug+0xc0/0xc0 [ 322.357534] ? lockdep_hardirqs_on+0x421/0x5c0 [ 322.362118] ? graph_lock+0x170/0x170 [ 322.365917] ? graph_lock+0x170/0x170 [ 322.369740] ? handle_mm_fault+0x42a/0xc70 [ 322.373980] ? lock_downgrade+0x900/0x900 [ 322.378133] ? check_preemption_disabled+0x48/0x200 [ 322.383162] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 322.388965] ? kasan_check_read+0x11/0x20 [ 322.393118] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.398396] ? rcu_bh_qs+0xc0/0xc0 [ 322.401945] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.407397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.412946] ? check_preemption_disabled+0x48/0x200 [ 322.417990] handle_mm_fault+0x54f/0xc70 [ 322.422059] ? __handle_mm_fault+0x53e0/0x53e0 [ 322.426651] ? find_vma+0x34/0x190 [ 322.430200] __do_page_fault+0x67d/0xed0 [ 322.434273] ? mm_fault_error+0x380/0x380 [ 322.438659] ? trace_hardirqs_off+0xb8/0x300 [ 322.443077] ? trace_hardirqs_on+0x310/0x310 [ 322.447506] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 322.452865] ? trace_hardirqs_on+0x310/0x310 [ 322.457282] do_page_fault+0xf2/0x7e0 [ 322.461090] ? vmalloc_sync_all+0x30/0x30 [ 322.465242] ? error_entry+0x70/0xd0 [ 322.468972] ? trace_hardirqs_off_caller+0xbb/0x300 [ 322.473984] ? trace_hardirqs_on_caller+0xc0/0x300 [ 322.478913] ? syscall_return_slowpath+0x5e0/0x5e0 [ 322.483844] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.488686] ? trace_hardirqs_off+0x300/0x300 [ 322.493179] ? trace_hardirqs_off_caller+0x300/0x300 [ 322.498291] ? prepare_exit_to_usermode+0x291/0x3b0 [ 322.503311] ? page_fault+0x8/0x30 [ 322.506858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.511717] ? page_fault+0x8/0x30 [ 322.515255] page_fault+0x1e/0x30 [ 322.518711] RIP: 0033:0x45ddf3 [ 322.521910] Code: Bad RIP value. [ 322.525272] RSP: 002b:000000c42001eea0 EFLAGS: 00010206 [ 322.530641] RAX: ffffffffffffff92 RBX: 000000003b970965 RCX: 000000000045ddf3 [ 322.537906] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 322.545505] RBP: 000000c42001eee8 R08: 0000000000000000 R09: 0000000000000000 [ 322.552772] R10: 000000c42001eed8 R11: 0000000000000206 R12: 0000000000000001 [ 322.560040] R13: 000000c426328420 R14: 0000000000000001 R15: 0000000000000000 [ 322.567333] warn_alloc_show_mem: 1 callbacks suppressed [ 322.567345] CPU: 0 PID: 8301 Comm: syz-executor7 Not tainted 4.19.0-rc2+ #51 [ 322.567348] Mem-Info: [ 322.567378] active_anon:40095 inactive_anon:371 isolated_anon:0 [ 322.567378] active_file:16 inactive_file:19 isolated_file:0 [ 322.567378] unevictable:0 dirty:0 writeback:0 unstable:0 [ 322.567378] slab_reclaimable:8821 slab_unreclaimable:1467955 [ 322.567378] mapped:65714 shmem:379 pagetables:718 bounce:0 [ 322.567378] free:13708 free_pcp:124 free_cma:0 [ 322.572728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.572737] Call Trace: [ 322.579944] Node 0 active_anon:160380kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:262856kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 322.582350] [ 322.615220] Node 0 [ 322.624594] dump_stack+0x1c4/0x2b4 [ 322.627193] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 322.654841] ? dump_stack_print_info.cold.2+0x52/0x52 [ 322.656970] lowmem_reserve[]: [ 322.659211] warn_alloc.cold.118+0xb7/0x1bd [ 322.662808] 0 [ 322.688308] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 322.693470] 2817 [ 322.696574] ? lock_downgrade+0x900/0x900 [ 322.700869] 6321 [ 322.702671] ? trace_hardirqs_off+0xb8/0x300 [ 322.707490] 6321 [ 322.709549] ? trace_hardirqs_off+0xb8/0x300 [ 322.713673] Node 0 [ 322.715740] __alloc_pages_slowpath+0x2667/0x2d80 [ 322.720143] DMA32 free:25196kB min:30048kB low:37560kB high:45072kB active_anon:2228kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 322.722201] ? warn_alloc+0x120/0x120 [ 322.726557] lowmem_reserve[]: 0 [ 322.728827] ? trace_hardirqs_on+0x310/0x310 [ 322.733662] 0 [ 322.760635] ? warn_alloc+0x120/0x120 [ 322.764415] 3503 3503 [ 322.767715] ? print_usage_bug+0xc0/0xc0 [ 322.772117] Node 0 [ 322.773945] ? warn_alloc+0x120/0x120 [ 322.777747] Normal free:13728kB min:37364kB low:46704kB high:56044kB active_anon:158152kB inactive_anon:1484kB active_file:64kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5472kB pagetables:2872kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 322.780220] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 322.784259] lowmem_reserve[]: 0 [ 322.786526] ? print_usage_bug+0xc0/0xc0 [ 322.790302] 0 [ 322.818487] ? __lock_acquire+0x7ec/0x4ec0 [ 322.823476] 0 0 [ 322.826759] ? __lock_acquire+0x7ec/0x4ec0 [ 322.830798] Node 0 [ 322.832596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.836808] DMA: [ 322.838796] ? should_fail+0x22d/0xd01 [ 322.843006] 1*4kB [ 322.845243] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.850765] (U) [ 322.852848] ? __lock_acquire+0x7ec/0x4ec0 [ 322.856712] 0*8kB [ 322.858856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.863929] 0*16kB 1*32kB [ 322.865913] ? __lock_acquire+0x7ec/0x4ec0 [ 322.870125] (U) [ 322.872285] ? should_fail+0x22d/0xd01 [ 322.877362] 2*64kB [ 322.880200] ? print_usage_bug+0xc0/0xc0 [ 322.884410] (U) [ 322.886412] ? mark_held_locks+0x130/0x130 [ 322.890277] 1*128kB [ 322.892512] ? mark_held_locks+0x130/0x130 [ 322.896551] (U) [ 322.898552] ? graph_lock+0x170/0x170 [ 322.902757] 1*256kB (U) [ 322.905082] ? print_usage_bug+0xc0/0xc0 [ 322.909302] 0*512kB [ 322.911291] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 322.915095] 1*1024kB [ 322.917779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.921811] (U) [ 322.924137] ? check_preemption_disabled+0x48/0x200 [ 322.928871] 1*2048kB [ 322.931278] ? check_preemption_disabled+0x48/0x200 [ 322.931304] ? __lock_is_held+0xb5/0x140 [ 322.936818] (M) [ 322.938987] __alloc_pages_nodemask+0xa80/0xde0 [ 322.943985] 3*4096kB (M) [ 322.946412] ? graph_lock+0x170/0x170 [ 322.951429] = 15908kB [ 322.955484] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 322.957455] Node 0 [ 322.962117] ? graph_lock+0x170/0x170 [ 322.964853] DMA32: [ 322.968686] ? find_held_lock+0x36/0x1c0 [ 322.971084] 3*4kB [ 322.976098] ? ____cache_alloc_node+0x1c7/0x1e0 [ 322.978305] (UM) [ 322.982101] ? lock_downgrade+0x900/0x900 [ 322.984321] 2*8kB (M) [ 322.988411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.990545] 3*16kB (UM) [ 322.995219] cache_grow_begin+0x91/0x8c0 [ 322.997406] 3*32kB (M) [ 323.001564] ? do_raw_spin_unlock+0xa7/0x2f0 [ 323.004034] 3*64kB (UM) [ 323.009581] fallback_alloc+0x203/0x2e0 [ 323.012223] 4*128kB (UM) [ 323.016289] ____cache_alloc_node+0x1c7/0x1e0 [ 323.018861] 3*256kB [ 323.023267] kmem_cache_alloc_node+0xe3/0x730 [ 323.025935] (M) [ 323.029906] ? ipv6_get_ifaddr+0x42e/0x620 [ 323.032639] 4*512kB [ 323.037144] __alloc_skb+0x119/0x770 [ 323.039953] (M) 3*1024kB [ 323.044468] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.046416] (UM) [ 323.050664] ? skb_scrub_packet+0x490/0x490 [ 323.052966] 1*2048kB [ 323.056675] ? lock_downgrade+0x900/0x900 [ 323.059411] (M) [ 323.064687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.066728] 4*4096kB [ 323.071049] ? refcount_sub_and_test_checked+0x203/0x310 [ 323.073438] (M) [ 323.077596] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 323.079553] = 25196kB [ 323.085085] ? addrconf_rs_timer+0x6f0/0x6f0 [ 323.087470] Node 0 [ 323.092928] ndisc_alloc_skb+0x144/0x340 [ 323.094877] Normal: [ 323.100326] ndisc_send_rs+0x331/0x6e0 [ 323.102717] 852*4kB [ 323.107374] addrconf_rs_timer+0x3c0/0x6f0 [ 323.109591] (UMEH) [ 323.113656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.115961] 324*8kB [ 323.119866] call_timer_fn+0x272/0x920 [ 323.122157] (UMEH) [ 323.126387] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.128596] 169*16kB (UMEH) [ 323.132863] ? process_timeout+0x40/0x40 [ 323.135162] 81*32kB [ 323.139141] ? find_held_lock+0x36/0x1c0 [ 323.139165] ? __run_timers+0x7da/0xc70 [ 323.141379] (UMEH) [ 323.145613] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.148647] 31*64kB [ 323.152696] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.154999] (UMH) [ 323.159058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.163010] 3*128kB [ 323.165245] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 323.169716] (H) [ 323.172040] ? trace_hardirqs_on+0xbd/0x310 [ 323.176508] 1*256kB (H) [ 323.178668] ? kasan_check_read+0x11/0x20 [ 323.182877] 0*512kB [ 323.185197] ? __run_timers+0x7da/0xc70 [ 323.189755] 0*1024kB [ 323.191728] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.196024] 0*2048kB [ 323.198691] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.202819] 0*4096kB [ 323.205144] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.209096] = 13920kB [ 323.211504] __run_timers+0x7e5/0xc70 [ 323.216942] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 323.219353] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 323.223572] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 323.225971] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 323.230184] 414 total pagecache pages [ 323.232590] ? graph_lock+0x170/0x170 [ 323.236377] 0 pages in swap cache [ 323.245204] ? enqueue_hrtimer+0x1a5/0x560 [ 323.250551] Swap cache stats: add 0, delete 0, find 0/0 [ 323.259119] ? lock_release+0x970/0x970 [ 323.264114] Free swap = 0kB [ 323.267912] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 323.271698] Total swap = 0kB [ 323.275154] ? find_held_lock+0x36/0x1c0 [ 323.279366] 1965979 pages RAM [ 323.284725] ? graph_lock+0x170/0x170 [ 323.288677] 0 pages HighMem/MovableOnly [ 323.291694] ? pvclock_read_flags+0x160/0x160 [ 323.296859] 342744 pages reserved [ 323.296868] 0 pages cma reserved [ 323.299888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.303993] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 323.307036] ? check_preemption_disabled+0x48/0x200 [ 323.310981] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.314809] ? __lock_is_held+0xb5/0x140 [ 323.319682] syz-fuzzer cpuset= [ 323.323132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.323153] ? check_preemption_disabled+0x48/0x200 [ 323.326766] / [ 323.332260] run_timer_softirq+0x52/0xb0 [ 323.332275] ? rcu_read_lock_sched_held+0x108/0x120 [ 323.332295] __do_softirq+0x30b/0xad8 [ 323.332321] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 323.339533] mems_allowed=0 [ 323.344549] ? pvclock_read_flags+0x160/0x160 [ 323.399544] ? lapic_next_event+0x5a/0x90 [ 323.403712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.409250] ? check_preemption_disabled+0x48/0x200 [ 323.414267] ? check_preemption_disabled+0x48/0x200 [ 323.419307] ? kvm_clock_read+0x18/0x30 [ 323.423285] ? kvm_sched_clock_read+0x9/0x20 [ 323.427696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.433236] ? check_preemption_disabled+0x48/0x200 [ 323.438505] irq_exit+0x17f/0x1c0 [ 323.441961] smp_apic_timer_interrupt+0x1cb/0x760 [ 323.446805] ? smp_reschedule_interrupt+0x109/0x650 [ 323.451831] ? smp_call_function_single_interrupt+0x650/0x650 [ 323.457714] ? interrupt_entry+0xb5/0xf0 [ 323.461776] ? trace_hardirqs_off_caller+0xbb/0x300 [ 323.466794] ? trace_hardirqs_off_caller+0xbb/0x300 [ 323.471816] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.476684] ? trace_hardirqs_off+0x300/0x300 [ 323.481187] ? trace_hardirqs_off+0x300/0x300 [ 323.485685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.491234] ? check_preemption_disabled+0x48/0x200 [ 323.496248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.501806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.506662] apic_timer_interrupt+0xf/0x20 [ 323.510893] [ 323.513134] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 323.518064] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 323.536982] RSP: 0018:ffff88019e65f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 323.544709] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 323.551976] RDX: 0000000000000000 RSI: ffff8801b9decb80 RDI: 0000000000000282 [ 323.559242] RBP: ffff88019e65f7b0 R08: ffff8801b9dec300 R09: 0000000000000000 [ 323.566509] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 323.573777] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 323.581121] skb_clone+0x1bb/0x500 [ 323.584667] ? finish_task_switch+0x2f5/0x900 [ 323.589176] ? skb_split+0x11e0/0x11e0 [ 323.593075] ? preempt_notifier_register+0x200/0x200 [ 323.598174] ? __switch_to_asm+0x34/0x70 [ 323.602234] ? __switch_to_asm+0x34/0x70 [ 323.606313] ? __switch_to_asm+0x40/0x70 [ 323.610402] ? __switch_to_asm+0x34/0x70 [ 323.614488] ? __switch_to_asm+0x40/0x70 [ 323.618544] ? __switch_to_asm+0x34/0x70 [ 323.622600] ? __switch_to_asm+0x40/0x70 [ 323.626657] ? __switch_to_asm+0x34/0x70 [ 323.630721] ? __switch_to_asm+0x34/0x70 [ 323.634781] ? __switch_to_asm+0x40/0x70 [ 323.638945] ? __switch_to_asm+0x34/0x70 [ 323.643022] bpf_clone_redirect+0xb9/0x490 [ 323.647263] ? __schedule+0x874/0x1ed0 [ 323.651161] bpf_prog_a2323609a0d1adb1+0x3a9/0x1000 [ 323.656181] ? __sched_text_start+0x8/0x8 [ 323.660335] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 323.665105] ? find_held_lock+0x36/0x1c0 [ 323.669172] ? lock_acquire+0x1ed/0x520 [ 323.673148] ? bpf_test_run+0x32e/0x5a0 [ 323.677125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.682671] ? check_preemption_disabled+0x48/0x200 [ 323.687698] ? kasan_check_read+0x11/0x20 [ 323.691850] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.697131] ? rcu_bh_qs+0xc0/0xc0 [ 323.700673] ? preempt_schedule+0x4d/0x60 [ 323.704827] ? ___preempt_schedule+0x16/0x18 [ 323.709245] ? bpf_test_run+0x1c0/0x5a0 [ 323.713233] ? netlink_diag_dump+0x2a0/0x2a0 [ 323.717656] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.723191] ? bpf_test_init.isra.9+0x70/0x100 [ 323.727782] ? bpf_prog_test_run_skb+0x634/0xb40 [ 323.732571] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 323.737412] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 323.742956] ? fput+0x130/0x1a0 [ 323.746242] ? __bpf_prog_get+0x9b/0x290 [ 323.750308] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 323.755153] ? bpf_prog_test_run+0x130/0x1a0 [ 323.759566] ? __x64_sys_bpf+0x3d8/0x510 [ 323.763629] ? bpf_prog_get+0x20/0x20 [ 323.767442] ? ksys_ioctl+0x81/0xd0 [ 323.771084] ? do_syscall_64+0x1b9/0x820 [ 323.775149] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 323.780512] ? syscall_return_slowpath+0x5e0/0x5e0 [ 323.785440] ? trace_hardirqs_off+0x300/0x300 [ 323.789942] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 323.794958] ? recalc_sigpending_tsk+0x180/0x180 [ 323.799724] ? kasan_check_write+0x14/0x20 [ 323.803980] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.808833] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 323.814230] CPU: 1 PID: 5364 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #51 [ 323.814300] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 323.821166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.821172] Call Trace: [ 323.821178] [ 323.821195] dump_stack+0x1c4/0x2b4 [ 323.821214] ? dump_stack_print_info.cold.2+0x52/0x52 [ 323.827781] syz-executor7: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.837086] warn_alloc.cold.118+0xb7/0x1bd [ 323.839638] syz-executor7 cpuset=syz7 [ 323.841794] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.845415] mems_allowed=0 [ 323.850604] ? lock_downgrade+0x900/0x900 [ 323.881044] ? trace_hardirqs_off+0xb8/0x300 [ 323.885460] ? trace_hardirqs_off+0xb8/0x300 [ 323.889874] __alloc_pages_slowpath+0x2667/0x2d80 [ 323.894781] ? warn_alloc+0x120/0x120 [ 323.898584] ? warn_alloc+0x120/0x120 [ 323.902385] ? print_usage_bug+0xc0/0xc0 [ 323.906446] ? kernel_text_address+0x79/0xf0 [ 323.910856] ? __kernel_text_address+0xd/0x40 [ 323.915351] ? unwind_get_return_address+0x61/0xa0 [ 323.920283] ? __save_stack_trace+0x8d/0xf0 [ 323.924608] ? add_lock_to_list.isra.26+0x1ec/0x4b0 [ 323.929643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.935181] ? should_fail+0x22d/0xd01 [ 323.939537] ? save_trace+0x290/0x290 [ 323.943345] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.948458] ? __lock_acquire+0x7ec/0x4ec0 [ 323.952706] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.957818] ? __lock_acquire+0x2881/0x4ec0 [ 323.962137] ? should_fail+0x22d/0xd01 [ 323.966030] ? __save_stack_trace+0x8d/0xf0 [ 323.970362] ? mark_held_locks+0x130/0x130 [ 323.974606] ? mark_held_locks+0x130/0x130 [ 323.978849] ? save_trace+0xe0/0x290 [ 323.982582] ? kasan_check_read+0x11/0x20 [ 323.986728] ? __lock_acquire+0x2881/0x4ec0 [ 323.991051] ? graph_lock+0x170/0x170 [ 323.994877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.000414] ? check_preemption_disabled+0x48/0x200 [ 324.005445] ? check_preemption_disabled+0x48/0x200 [ 324.010470] ? __lock_is_held+0xb5/0x140 [ 324.014542] __alloc_pages_nodemask+0xa80/0xde0 [ 324.019211] ? graph_lock+0x170/0x170 [ 324.023016] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 324.028048] ? graph_lock+0x170/0x170 [ 324.031863] ? find_held_lock+0x36/0x1c0 [ 324.035962] ? ____cache_alloc_node+0x1c7/0x1e0 [ 324.041113] ? lock_downgrade+0x900/0x900 [ 324.045281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.050825] cache_grow_begin+0x91/0x8c0 [ 324.054893] ? do_raw_spin_unlock+0xa7/0x2f0 [ 324.059320] fallback_alloc+0x203/0x2e0 [ 324.063306] ____cache_alloc_node+0x1c7/0x1e0 [ 324.067813] kmem_cache_alloc_node+0xe3/0x730 [ 324.072323] ? do_raw_spin_unlock+0xa7/0x2f0 [ 324.076731] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 324.081322] __alloc_skb+0x119/0x770 [ 324.085040] ? skb_scrub_packet+0x490/0x490 [ 324.089366] ? atomic_notifier_call_chain+0xc6/0x190 [ 324.094469] ? lock_downgrade+0x900/0x900 [ 324.098617] ? check_preemption_disabled+0x48/0x200 [ 324.103667] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 324.109466] ? kasan_check_read+0x11/0x20 [ 324.113629] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.118928] ? rcu_bh_qs+0xc0/0xc0 [ 324.122469] ? find_next_bit+0x104/0x130 [ 324.126534] ? do_raw_write_trylock+0x1c0/0x1c0 [ 324.131215] __neigh_notify+0x8c/0x160 [ 324.135108] ? __neigh_event_send+0x1390/0x1390 [ 324.140230] neigh_timer_handler+0x6cb/0xdf0 [ 324.144652] ? neigh_invalidate+0x550/0x550 [ 324.148978] ? __lock_is_held+0xb5/0x140 [ 324.153057] call_timer_fn+0x272/0x920 [ 324.156945] ? neigh_invalidate+0x550/0x550 [ 324.161274] ? process_timeout+0x40/0x40 [ 324.165333] ? find_held_lock+0x36/0x1c0 [ 324.169403] ? mark_held_locks+0xc7/0x130 [ 324.173563] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.178055] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.182551] ? neigh_invalidate+0x550/0x550 [ 324.186875] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 324.191460] ? trace_hardirqs_on+0xbd/0x310 [ 324.195783] ? kasan_check_read+0x11/0x20 [ 324.199932] ? __run_timers+0x7da/0xc70 [ 324.203909] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.209372] ? neigh_invalidate+0x550/0x550 [ 324.213693] __run_timers+0x7e5/0xc70 [ 324.217513] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 324.222879] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 324.227897] ? graph_lock+0x170/0x170 [ 324.231702] ? print_usage_bug+0xc0/0xc0 [ 324.235763] ? lock_release+0x970/0x970 [ 324.240218] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 324.245419] ? find_held_lock+0x36/0x1c0 [ 324.249493] ? graph_lock+0x170/0x170 [ 324.253321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.258863] ? check_preemption_disabled+0x48/0x200 [ 324.263891] ? __lock_is_held+0xb5/0x140 [ 324.267955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.273510] ? check_preemption_disabled+0x48/0x200 [ 324.278536] run_timer_softirq+0x52/0xb0 [ 324.282595] ? rcu_read_lock_sched_held+0x108/0x120 [ 324.287613] __do_softirq+0x30b/0xad8 [ 324.291437] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 324.296550] ? pvclock_read_flags+0x160/0x160 [ 324.301046] ? lapic_next_event+0x5a/0x90 [ 324.305220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.310759] ? check_preemption_disabled+0x48/0x200 [ 324.315784] ? check_preemption_disabled+0x48/0x200 [ 324.320804] ? kvm_clock_read+0x18/0x30 [ 324.324779] ? kvm_sched_clock_read+0x9/0x20 [ 324.329195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.334733] ? check_preemption_disabled+0x48/0x200 [ 324.339921] irq_exit+0x17f/0x1c0 [ 324.343390] smp_apic_timer_interrupt+0x1cb/0x760 [ 324.348237] ? smp_reschedule_interrupt+0x109/0x650 [ 324.353254] ? smp_call_function_single_interrupt+0x650/0x650 [ 324.359137] ? interrupt_entry+0xb5/0xf0 [ 324.363198] ? trace_hardirqs_off_caller+0xbb/0x300 [ 324.368211] ? trace_hardirqs_off_caller+0xbb/0x300 [ 324.373231] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.378072] ? trace_hardirqs_off+0x300/0x300 [ 324.382579] ? trace_hardirqs_off+0x300/0x300 [ 324.387099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.392648] ? check_preemption_disabled+0x48/0x200 [ 324.397688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.402550] apic_timer_interrupt+0xf/0x20 [ 324.406774] [ 324.409023] RIP: 0010:console_unlock+0x1017/0x11a0 [ 324.413970] Code: c1 e8 03 42 80 3c 20 00 0f 85 8d 01 00 00 48 83 3d 25 98 ed 07 00 0f 84 78 01 00 00 e8 a2 3d 1a 00 48 8b bd c0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 68 f9 ff ff e8 ba a0 5d 00 e9 08 f4 ff ff e8 80 [ 324.432870] RSP: 0000:ffff8801d80ddeb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 324.440764] RAX: ffff8801bcbf6200 RBX: 0000000000000200 RCX: 1ffff1003797ed63 [ 324.448047] RDX: 0000000000000000 RSI: ffffffff8164918e RDI: 0000000000000293 [ 324.455312] RBP: ffff8801d80de010 R08: ffff8801bcbf6b18 R09: 0000000000000006 [ 324.462578] R10: 0000000000000000 R11: ffff8801bcbf6200 R12: dffffc0000000000 [ 324.469848] R13: ffffffff848d86c0 R14: ffffffff89b9bd50 R15: dffffc0000000000 [ 324.477128] ? netconsole_netdev_event+0x280/0x280 [ 324.482066] ? console_unlock+0x100e/0x11a0 [ 324.486411] ? devkmsg_read+0xbb0/0xbb0 [ 324.490386] ? vprintk_emit+0x7f7/0x930 [ 324.494384] ? lock_release+0x970/0x970 [ 324.498376] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.503829] ? vprintk_default+0x28/0x30 [ 324.507902] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.513351] ? kasan_check_write+0x14/0x20 [ 324.517587] ? do_raw_spin_lock+0xc1/0x200 [ 324.521829] vprintk_emit+0x33d/0x930 [ 324.525643] ? wake_up_klogd+0x180/0x180 [ 324.529713] ? find_held_lock+0x36/0x1c0 [ 324.533779] ? mark_held_locks+0xc7/0x130 [ 324.537945] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.542602] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.547112] vprintk_default+0x28/0x30 [ 324.551000] vprintk_func+0x7e/0x181 [ 324.554719] printk+0xa7/0xcf [ 324.557830] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 324.562590] ? _raw_spin_unlock_irq+0x60/0x80 [ 324.567099] dump_unreclaimable_slab.cold.22+0xd8/0xe5 [ 324.572383] dump_header+0x7cc/0xf72 [ 324.576126] ? pagefault_out_of_memory+0x197/0x197 [ 324.581065] ? __lock_acquire+0x7ec/0x4ec0 [ 324.585311] ? print_usage_bug+0xc0/0xc0 [ 324.589395] ? graph_lock+0x170/0x170 [ 324.593201] ? graph_lock+0x170/0x170 [ 324.597002] ? print_usage_bug+0xc0/0xc0 [ 324.601064] ? print_usage_bug+0xc0/0xc0 [ 324.605133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.610674] ? find_held_lock+0x36/0x1c0 [ 324.614742] ? mark_held_locks+0xc7/0x130 [ 324.618892] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.623994] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.629107] ? lockdep_hardirqs_on+0x421/0x5c0 [ 324.633691] ? trace_hardirqs_on+0xbd/0x310 [ 324.638012] ? kasan_check_read+0x11/0x20 [ 324.642355] ? ___ratelimit+0x36f/0x655 [ 324.646336] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.651789] ? trace_hardirqs_on+0x310/0x310 [ 324.656201] ? lock_downgrade+0x900/0x900 [ 324.660357] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 324.665473] ? ___ratelimit+0xaa/0x655 [ 324.669375] ? idr_get_free+0xec0/0xec0 [ 324.673365] ? kasan_check_write+0x14/0x20 [ 324.677596] ? do_raw_spin_lock+0xc1/0x200 [ 324.681841] oom_kill_process.cold.27+0x10/0x903 [ 324.686603] ? graph_lock+0x170/0x170 [ 324.690410] ? _raw_spin_unlock+0x2c/0x50 [ 324.694570] ? oom_badness+0xe6/0xaa0 [ 324.698388] ? oom_evaluate_task+0x540/0x540 [ 324.702804] ? find_held_lock+0x36/0x1c0 [ 324.706871] ? out_of_memory+0x974/0x14c0 [ 324.711021] ? lock_downgrade+0x900/0x900 [ 324.715175] ? check_preemption_disabled+0x48/0x200 [ 324.720198] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 324.726008] ? kasan_check_read+0x11/0x20 [ 324.730174] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.735457] ? rcu_bh_qs+0xc0/0xc0 [ 324.739134] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 324.744670] ? oom_evaluate_task+0x302/0x540 [ 324.749097] out_of_memory+0xa86/0x14c0 [ 324.753084] ? oom_killer_disable+0x3a0/0x3a0 [ 324.757578] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 324.762509] ? __mutex_add_waiter+0x2a0/0x2a0 [ 324.767021] __alloc_pages_slowpath+0x2318/0x2d80 [ 324.771919] ? warn_alloc+0x120/0x120 [ 324.775721] ? __radix_tree_lookup+0x4c0/0x4c0 [ 324.780316] ? find_get_entry+0x2f2/0xc40 [ 324.784474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.790010] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 324.794942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.800482] ? should_fail+0x22d/0xd01 [ 324.804387] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.809517] ? __lock_is_held+0xb5/0x140 [ 324.813607] ? __lock_is_held+0xb5/0x140 [ 324.817709] ? find_held_lock+0x36/0x1c0 [ 324.821784] ? ___might_sleep+0x1ed/0x300 [ 324.825934] ? lock_release+0x970/0x970 [ 324.829914] ? arch_local_save_flags+0x40/0x40 [ 324.834509] ? __might_sleep+0x95/0x190 [ 324.838692] __alloc_pages_nodemask+0xa80/0xde0 [ 324.843369] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 324.848391] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 324.854195] ? kasan_check_read+0x11/0x20 [ 324.858344] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.863622] ? graph_lock+0x170/0x170 [ 324.867439] ? print_usage_bug+0xc0/0xc0 [ 324.871504] ? graph_lock+0x170/0x170 [ 324.875302] ? graph_lock+0x170/0x170 [ 324.879107] ? __do_page_cache_readahead+0x7ce/0x980 [ 324.884215] ? find_held_lock+0x36/0x1c0 [ 324.888285] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 324.893842] alloc_pages_current+0x10c/0x210 [ 324.898250] ? lock_downgrade+0x900/0x900 [ 324.902432] __page_cache_alloc+0x38f/0x5b0 [ 324.906755] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 324.912563] ? kasan_check_read+0x11/0x20 [ 324.916729] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.922008] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 324.926682] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.932225] ? check_preemption_disabled+0x48/0x200 [ 324.937249] filemap_fault+0x1594/0x25f0 [ 324.941807] ? __lock_page_or_retry+0xa00/0xa00 [ 324.946492] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 324.952300] ? kasan_check_read+0x11/0x20 [ 324.956465] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.961743] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.966850] ? rcu_bh_qs+0xc0/0xc0 [ 324.970396] ? trace_hardirqs_on+0xbd/0x310 [ 324.974724] ? kasan_check_read+0x11/0x20 [ 324.978871] ? __free_object+0x173/0x340 [ 324.982974] ? filemap_map_pages+0xdea/0x1980 [ 324.987507] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 324.992609] ? __free_object+0x173/0x340