/0xc70 [ 209.885216] sigqueue 3KB 3KB [ 209.890576] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.890590] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.890607] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.895436] kernfs_node_cache 10737KB 10741KB [ 209.900786] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 209.900804] ? trace_hardirqs_on+0xbd/0x310 [ 209.900820] ? kasan_check_read+0x11/0x20 [ 209.906168] mnt_cache 70KB 88KB [ 209.908566] ? __run_timers+0x7da/0xc70 [ 209.908582] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 209.908602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.913996] filp 249KB 495KB [ 209.946892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.946909] __run_timers+0x7e5/0xc70 [ 209.946936] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 209.952296] names_cache 195KB 195KB [ 209.980228] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 209.980252] ? graph_lock+0x170/0x170 [ 209.980271] ? enqueue_hrtimer+0x1a5/0x560 [ 209.982500] key_jar 3KB 7KB [ 209.987847] ? lock_release+0x970/0x970 [ 209.987863] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 209.987883] ? find_held_lock+0x36/0x1c0 [ 210.013447] uts_namespace 2KB 7KB [ 210.016495] ? graph_lock+0x170/0x170 [ 210.021859] nsproxy 1KB 7KB [ 210.024937] ? pvclock_read_flags+0x160/0x160 [ 210.052724] vm_area_struct 322KB 506KB [ 210.055791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.061152] mm_struct 48KB 117KB [ 210.063980] ? check_preemption_disabled+0x48/0x200 [ 210.093020] fs_cache 7KB 56KB [ 210.096069] ? __lock_is_held+0xb5/0x140 [ 210.101424] files_cache 29KB 60KB [ 210.103719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.106916] signal_cache 218KB 467KB [ 210.112270] ? check_preemption_disabled+0x48/0x200 [ 210.114754] sighand_cache 351KB 395KB [ 210.120114] run_timer_softirq+0x52/0xb0 [ 210.120131] ? rcu_read_lock_sched_held+0x108/0x120 [ 210.120152] __do_softirq+0x30b/0xad8 [ 210.122984] task_struct 1014KB 1014KB [ 210.128349] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 210.128370] ? pvclock_read_flags+0x160/0x160 [ 210.128387] ? lapic_next_event+0x5a/0x90 [ 210.134084] cred_jar 46KB 304KB [ 210.139442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.139456] ? check_preemption_disabled+0x48/0x200 [ 210.139467] ? check_preemption_disabled+0x48/0x200 [ 210.139487] ? kvm_clock_read+0x18/0x30 [ 210.145272] anon_vma_chain 92KB 283KB [ 210.147502] ? kvm_sched_clock_read+0x9/0x20 [ 210.147520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.147536] ? check_preemption_disabled+0x48/0x200 [ 210.152888] anon_vma 122KB 342KB [ 210.155642] irq_exit+0x17f/0x1c0 [ 210.161008] pid 20KB 148KB [ 210.163472] smp_apic_timer_interrupt+0x1cb/0x760 [ 210.168840] Acpi-Operand 106KB 162KB [ 210.171393] ? smp_reschedule_interrupt+0x109/0x650 [ 210.176770] Acpi-Namespace 19KB 23KB [ 210.179313] ? smp_call_function_single_interrupt+0x650/0x650 [ 210.184655] numa_policy 0KB 3KB [ 210.190442] ? interrupt_entry+0xb5/0xf0 [ 210.190475] ? trace_hardirqs_off_caller+0xbb/0x300 [ 210.190488] ? trace_hardirqs_off_caller+0xbb/0x300 [ 210.190508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 210.195856] debug_objects_cache 700KB 702KB [ 210.202159] ? trace_hardirqs_off+0x300/0x300 [ 210.202171] ? trace_hardirqs_off+0x300/0x300 [ 210.202188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.202205] ? check_preemption_disabled+0x48/0x200 [ 210.207576] trace_event_file 258KB 258KB [ 210.213604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.219000] ftrace_event_field 370KB 370KB [ 210.221800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 210.227517] pool_workqueue 68KB 72KB [ 210.230332] apic_timer_interrupt+0xf/0x20 [ 210.235757] task_group 5KB 7KB [ 210.238497] [ 210.238517] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 210.238540] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 210.243885] page->ptl 67KB 339KB [ 210.246536] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 210.251963] kmalloc-2097152 2050KB 2050KB [ 210.254555] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 210.260016] kmalloc-524288 2056KB 2056KB [ 210.263161] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 210.263174] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 210.268553] kmalloc-262144 1290KB 1290KB [ 210.271697] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 210.271710] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 210.277086] kmalloc-131072 650KB 650KB [ 210.285919] skb_clone+0x1bb/0x500 [ 210.294480] kmalloc-65536 330KB 330KB [ 210.298254] ? skb_split+0x11e0/0x11e0 [ 210.298296] ? dev_forward_skb+0x4c/0x60 [ 210.301747] kmalloc-32768 726KB 726KB [ 210.307108] ? __bpf_redirect+0x54b/0xb20 [ 210.307124] ? __switch_to_asm+0x34/0x70 [ 210.307145] bpf_clone_redirect+0xb9/0x490 [ 210.312490] kmalloc-16384 379KB 379KB [ 210.315507] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 210.318535] kmalloc-8192 1674KB 1674KB [ 210.321610] ? __sched_text_start+0x8/0x8 [ 210.325561] kmalloc-4096 5741KB 5741KB [ 210.329011] ? lockdep_hardirqs_on+0x421/0x5c0 [ 210.329025] ? retint_kernel+0x2d/0x2d [ 210.329041] ? trace_hardirqs_on_caller+0xc0/0x300 [ 210.329060] ? find_held_lock+0x36/0x1c0 [ 210.332412] kmalloc-2048 6275KB 7662KB [ 210.342911] ? lock_acquire+0x1ed/0x520 [ 210.342925] ? bpf_test_run+0x32e/0x5a0 [ 210.342945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.348328] kmalloc-1024 4452406KB 4452406KB [ 210.353659] ? check_preemption_disabled+0x48/0x200 [ 210.358779] kmalloc-512 1740KB 3165KB [ 210.365919] ? kasan_check_read+0x11/0x20 [ 210.375299] kmalloc-256 1697KB 2235KB [ 210.377836] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 210.377852] ? rcu_bh_qs+0xc0/0xc0 [ 210.377872] ? preempt_schedule+0x4d/0x60 [ 210.380007] kmalloc-128 420KB 795KB [ 210.383628] ? ___preempt_schedule+0x16/0x18 [ 210.388822] kmalloc-96 410KB 1308KB [ 210.393115] ? bpf_test_run+0x1c0/0x5a0 [ 210.397975] kmalloc-64 602KB 936KB [ 210.408173] ? netlink_diag_dump+0x2a0/0x2a0 [ 210.408193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.408210] ? bpf_test_init.isra.9+0x70/0x100 [ 210.412344] kmalloc-32 843KB 1523KB [ 210.415526] ? bpf_prog_test_run_skb+0x634/0xb40 [ 210.419956] kmalloc-192 707KB 840KB [ 210.424318] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 210.429166] kmem_cache 222KB 225KB [ 210.430875] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 210.430905] ? fput+0x130/0x1a0 [ 210.434689] Out of memory: Kill process 5335 (syz-fuzzer) score 23 or sacrifice child [ 210.438474] ? __bpf_prog_get+0x9b/0x290 [ 210.438491] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 210.438507] ? bpf_prog_test_run+0x130/0x1a0 [ 210.441518] Killed process 5355 (syz-executor2) total-vm:70212kB, anon-rss:56kB, file-rss:0kB, shmem-rss:0kB [ 210.445478] ? __x64_sys_bpf+0x3d8/0x510 [ 210.479862] syz-fuzzer invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 210.480658] ? bpf_prog_get+0x20/0x20 [ 210.485769] syz-fuzzer cpuset= [ 210.490040] ? ksys_ioctl+0x81/0xd0 [ 210.490066] ? do_syscall_64+0x1b9/0x820 [ 210.490088] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 210.493960] / [ 210.498196] ? syscall_return_slowpath+0x5e0/0x5e0 [ 210.502459] mems_allowed=0 [ 210.507063] ? trace_hardirqs_off+0x300/0x300 [ 210.507080] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 210.507099] ? recalc_sigpending_tsk+0x180/0x180 [ 221.242191] ? kasan_check_write+0x14/0x20 [ 221.246443] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.251301] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 221.256799] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 221.263362] warn_alloc: 5 callbacks suppressed [ 221.263380] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 221.267468] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 221.267980] syz-executor0 cpuset= [ 221.278455] syz-fuzzer cpuset=/ mems_allowed=0 [ 221.288782] syz0 [ 221.292230] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 221.292238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.292244] Call Trace: [ 221.292250] [ 221.292267] dump_stack+0x1c4/0x2b4 [ 221.292284] ? dump_stack_print_info.cold.2+0x52/0x52 [ 221.292315] warn_alloc.cold.118+0xb7/0x1bd [ 221.296992] mems_allowed=0 [ 221.298976] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 221.340790] ? lock_downgrade+0x900/0x900 [ 221.344947] ? trace_hardirqs_off+0xb8/0x300 [ 221.349374] ? trace_hardirqs_off+0xb8/0x300 [ 221.353798] __alloc_pages_slowpath+0x2667/0x2d80 [ 221.358671] ? warn_alloc+0x120/0x120 [ 221.362484] ? warn_alloc+0x120/0x120 [ 221.366290] ? print_usage_bug+0xc0/0xc0 [ 221.370352] ? warn_alloc+0x120/0x120 [ 221.374156] ? print_usage_bug+0xc0/0xc0 [ 221.378220] ? __lock_acquire+0x7ec/0x4ec0 [ 221.382470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.388010] ? should_fail+0x22d/0xd01 [ 221.391897] ? __lock_acquire+0x7ec/0x4ec0 [ 221.396138] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.401244] ? __lock_acquire+0x7ec/0x4ec0 [ 221.405488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.410589] ? __lock_acquire+0x7ec/0x4ec0 [ 221.414824] ? should_fail+0x22d/0xd01 [ 221.418726] ? mark_held_locks+0x130/0x130 [ 221.422981] ? mark_held_locks+0x130/0x130 [ 221.427225] ? graph_lock+0x170/0x170 [ 221.431028] ? print_usage_bug+0xc0/0xc0 [ 221.435125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.440669] ? check_preemption_disabled+0x48/0x200 [ 221.445689] ? check_preemption_disabled+0x48/0x200 [ 221.450719] ? __lock_is_held+0xb5/0x140 [ 221.454795] __alloc_pages_nodemask+0xa80/0xde0 [ 221.459468] ? graph_lock+0x170/0x170 [ 221.463274] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 221.468293] ? graph_lock+0x170/0x170 [ 221.472107] ? find_held_lock+0x36/0x1c0 [ 221.476180] ? ____cache_alloc_node+0x1c7/0x1e0 [ 221.480850] ? lock_downgrade+0x900/0x900 [ 221.485010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.490553] cache_grow_begin+0x91/0x8c0 [ 221.494617] ? do_raw_spin_unlock+0xa7/0x2f0 [ 221.499035] fallback_alloc+0x203/0x2e0 [ 221.503020] ____cache_alloc_node+0x1c7/0x1e0 [ 221.507522] kmem_cache_alloc_node+0xe3/0x730 [ 221.512021] ? ipv6_get_ifaddr+0x42e/0x620 [ 221.516268] __alloc_skb+0x119/0x770 [ 221.519994] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 221.525278] ? skb_scrub_packet+0x490/0x490 [ 221.529605] ? lock_downgrade+0x900/0x900 [ 221.533767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.539307] ? refcount_sub_and_test_checked+0x203/0x310 [ 221.544772] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 221.550227] ? addrconf_rs_timer+0x6f0/0x6f0 [ 221.554653] ndisc_alloc_skb+0x144/0x340 [ 221.558720] ndisc_send_rs+0x331/0x6e0 [ 221.562621] addrconf_rs_timer+0x3c0/0x6f0 [ 221.566867] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.571119] call_timer_fn+0x272/0x920 [ 221.575010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.579252] ? process_timeout+0x40/0x40 [ 221.583317] ? find_held_lock+0x36/0x1c0 [ 221.587388] ? mark_held_locks+0xc7/0x130 [ 221.591542] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.596039] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.600534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.604772] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 221.609357] ? trace_hardirqs_on+0xbd/0x310 [ 221.613678] ? kasan_check_read+0x11/0x20 [ 221.617826] ? __run_timers+0x7da/0xc70 [ 221.621805] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.627266] ? prandom_seed_full_state+0x3b0/0x3b0 [ 221.632207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.636446] __run_timers+0x7e5/0xc70 [ 221.640268] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 221.645640] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 221.650661] ? graph_lock+0x170/0x170 [ 221.654472] ? print_usage_bug+0xc0/0xc0 [ 221.658531] ? lock_release+0x970/0x970 [ 221.662506] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 221.667702] ? find_held_lock+0x36/0x1c0 [ 221.671779] ? graph_lock+0x170/0x170 [ 221.675586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.681128] ? check_preemption_disabled+0x48/0x200 [ 221.686158] ? __lock_is_held+0xb5/0x140 [ 221.690224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.695849] ? check_preemption_disabled+0x48/0x200 [ 221.700873] run_timer_softirq+0x52/0xb0 [ 221.704935] ? rcu_read_lock_sched_held+0x108/0x120 [ 221.709975] __do_softirq+0x30b/0xad8 [ 221.713790] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 221.718902] ? pvclock_read_flags+0x160/0x160 [ 221.723401] ? lapic_next_event+0x5a/0x90 [ 221.727549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.733087] ? check_preemption_disabled+0x48/0x200 [ 221.738104] ? check_preemption_disabled+0x48/0x200 [ 221.743132] ? kvm_clock_read+0x18/0x30 [ 221.747107] ? kvm_sched_clock_read+0x9/0x20 [ 221.751520] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.757057] ? check_preemption_disabled+0x48/0x200 [ 221.762092] irq_exit+0x17f/0x1c0 [ 221.765549] smp_apic_timer_interrupt+0x1cb/0x760 [ 221.770394] ? smp_call_function_single_interrupt+0x650/0x650 [ 221.776286] ? interrupt_entry+0xb5/0xf0 [ 221.780352] ? trace_hardirqs_off_caller+0xbb/0x300 [ 221.785366] ? trace_hardirqs_off_caller+0xbb/0x300 [ 221.790387] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.795232] ? trace_hardirqs_off+0x300/0x300 [ 221.799731] ? trace_hardirqs_off+0x300/0x300 [ 221.804236] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.809773] ? check_preemption_disabled+0x48/0x200 [ 221.814790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.820337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.825193] apic_timer_interrupt+0xf/0x20 [ 221.829615] [ 221.831857] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 221.837225] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 221.856132] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 221.863846] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 221.871114] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 221.878385] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 221.885651] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 221.892917] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 221.900213] ? page_evictable+0x35d/0x540 [ 221.904377] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 221.909916] page_evictable+0x36b/0x540 [ 221.913896] ? kswapd_stop+0x100/0x100 [ 221.917788] ? ___might_sleep+0x1ed/0x300 [ 221.921937] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.927400] ? arch_local_save_flags+0x40/0x40 [ 221.931990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.937527] ? check_preemption_disabled+0x48/0x200 [ 221.942554] shrink_active_list+0x845/0x1c20 [ 221.946977] ? free_unref_page_list+0xc0f/0x11e0 [ 221.951759] ? shrink_inactive_list+0x1c60/0x1c60 [ 221.956623] ? graph_lock+0x170/0x170 [ 221.960799] ? __page_frag_cache_drain+0x200/0x200 [ 221.965734] ? print_usage_bug+0xc0/0xc0 [ 221.969817] ? find_held_lock+0x36/0x1c0 [ 221.973883] ? graph_lock+0x170/0x170 [ 221.977688] ? mark_held_locks+0xc7/0x130 [ 221.981837] ? check_preemption_disabled+0x48/0x200 [ 221.986850] ? check_preemption_disabled+0x48/0x200 [ 221.991882] ? graph_lock+0x170/0x170 [ 221.995683] ? __lock_is_held+0xb5/0x140 [ 221.999754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.005295] ? check_preemption_disabled+0x48/0x200 [ 222.010324] ? __lock_is_held+0xb5/0x140 [ 222.014402] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 222.019421] ? inactive_list_is_low+0x305/0x880 [ 222.024101] ? lruvec_lru_size+0x450/0x450 [ 222.028337] ? kasan_check_read+0x11/0x20 [ 222.032501] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 222.037445] shrink_node_memcg+0x803/0x18e0 [ 222.041793] ? shrink_active_list+0x1c20/0x1c20 [ 222.046468] ? lockdep_hardirqs_on+0x421/0x5c0 [ 222.051054] ? trace_hardirqs_on+0xbd/0x310 [ 222.055382] ? vmpressure+0x294/0x310 [ 222.059189] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.064668] shrink_node+0x3bc/0x16b0 [ 222.068470] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 222.073781] ? shrink_node_memcg+0x18e0/0x18e0 [ 222.078368] ? lockdep_hardirqs_on+0x421/0x5c0 [ 222.082964] ? trace_hardirqs_on+0xbd/0x310 [ 222.087291] ? vmpressure+0x294/0x310 [ 222.091096] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.095510] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 222.100104] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 222.105646] ? __cpuset_node_allowed+0x19b/0x660 [ 222.110408] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 222.116121] ? vmpressure+0x1c9/0x310 [ 222.119932] do_try_to_free_pages+0x3e7/0x1290 [ 222.124543] ? shrink_node+0x16b0/0x16b0 [ 222.128608] ? __lock_is_held+0xb5/0x140 [ 222.132687] try_to_free_pages+0x4d0/0xb90 [ 222.136929] ? do_try_to_free_pages+0x1290/0x1290 [ 222.141778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.147331] ? lock_acquire+0x1ed/0x520 [ 222.151311] ? set_page_refcounted+0x280/0x280 [ 222.155903] ? lock_release+0x970/0x970 [ 222.159889] ? ___might_sleep+0x1ed/0x300 [ 222.164044] ? arch_local_save_flags+0x40/0x40 [ 222.168628] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 222.173646] ? __radix_tree_lookup+0x358/0x4c0 [ 222.178239] __alloc_pages_slowpath+0x993/0x2d80 [ 222.183021] ? kasan_check_read+0x11/0x20 [ 222.187177] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.192457] ? warn_alloc+0x120/0x120 [ 222.196259] ? __radix_tree_lookup+0x4c0/0x4c0 [ 222.200858] ? find_get_entry+0x2f2/0xc40 [ 222.205019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.210561] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 222.215492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.221037] ? should_fail+0x22d/0xd01 [ 222.224932] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.230048] ? __lock_is_held+0xb5/0x140 [ 222.234115] ? graph_lock+0x170/0x170 [ 222.237923] ? graph_lock+0x170/0x170 [ 222.241758] ? __lock_is_held+0xb5/0x140 [ 222.245829] ? __lock_acquire+0x7ec/0x4ec0 [ 222.250072] ? ___might_sleep+0x1ed/0x300 [ 222.254223] ? lock_release+0x970/0x970 [ 222.258202] ? arch_local_save_flags+0x40/0x40 [ 222.262796] ? __might_sleep+0x95/0x190 [ 222.266776] __alloc_pages_nodemask+0xa80/0xde0 [ 222.271458] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 222.276481] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 222.282276] ? kasan_check_read+0x11/0x20 [ 222.286428] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.291712] ? graph_lock+0x170/0x170 [ 222.295526] ? print_usage_bug+0xc0/0xc0 [ 222.299594] ? graph_lock+0x170/0x170 [ 222.303396] ? graph_lock+0x170/0x170 [ 222.307199] ? __do_page_cache_readahead+0x7ce/0x980 [ 222.312312] ? find_held_lock+0x36/0x1c0 [ 222.316381] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 222.321922] alloc_pages_current+0x10c/0x210 [ 222.326338] ? lock_downgrade+0x900/0x900 [ 222.330494] __page_cache_alloc+0x38f/0x5b0 [ 222.334815] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 222.340614] ? kasan_check_read+0x11/0x20 [ 222.344773] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.350057] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 222.354730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.360282] ? check_preemption_disabled+0x48/0x200 [ 222.365311] filemap_fault+0x1594/0x25f0 [ 222.369389] ? __lock_page_or_retry+0xa00/0xa00 [ 222.374059] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 222.379853] ? kasan_check_read+0x11/0x20 [ 222.384033] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.389324] ? rcu_bh_qs+0xc0/0xc0 [ 222.392870] ? print_usage_bug+0xc0/0xc0 [ 222.396962] ? filemap_map_pages+0xdea/0x1980 [ 222.401466] ? print_usage_bug+0xc0/0xc0 [ 222.405536] ? find_get_pages_range_tag+0x1320/0x1320 [ 222.410732] ? print_usage_bug+0xc0/0xc0 [ 222.414805] ? __lock_acquire+0x7ec/0x4ec0 [ 222.419040] ? graph_lock+0x170/0x170 [ 222.422844] ? __sigqueue_free.part.27+0x7d/0xa0 [ 222.427610] ? __lock_acquire+0x7ec/0x4ec0 [ 222.431860] ? lock_acquire+0x1ed/0x520 [ 222.435839] ? ext4_filemap_fault+0x7a/0xad [ 222.440166] ? lock_release+0x970/0x970 [ 222.444146] ? arch_local_save_flags+0x40/0x40 [ 222.448731] ? mark_held_locks+0x130/0x130 [ 222.453007] ? down_read+0xb0/0x1d0 [ 222.456633] ? ext4_filemap_fault+0x7a/0xad [ 222.460967] ? __down_interruptible+0x700/0x700 [ 222.465642] ? graph_lock+0x170/0x170 [ 222.469443] ? __sigqueue_free.part.27+0x7d/0xa0 [ 222.474213] ext4_filemap_fault+0x82/0xad [ 222.478543] __do_fault+0x100/0x6b0 [ 222.482176] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.487456] ? print_bad_pte+0x6c0/0x6c0 [ 222.491527] ? pmd_val+0x88/0x100 [ 222.494989] ? add_mm_counter_fast+0xd0/0xd0 [ 222.499416] ? pmd_val+0x88/0x100 [ 222.502871] ? add_mm_counter_fast+0xd0/0xd0 [ 222.507286] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.512829] __handle_mm_fault+0x3709/0x53e0 [ 222.517250] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 222.522097] ? graph_lock+0x170/0x170 [ 222.525902] ? print_usage_bug+0xc0/0xc0 [ 222.529978] ? graph_lock+0x170/0x170 [ 222.533777] ? graph_lock+0x170/0x170 [ 222.537598] ? handle_mm_fault+0x42a/0xc70 [ 222.541835] ? lock_downgrade+0x900/0x900 [ 222.545991] ? check_preemption_disabled+0x48/0x200 [ 222.551025] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 222.556824] ? kasan_check_read+0x11/0x20 [ 222.561013] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.566298] ? rcu_bh_qs+0xc0/0xc0 [ 222.569839] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.575331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.580880] ? check_preemption_disabled+0x48/0x200 [ 222.585903] handle_mm_fault+0x54f/0xc70 [ 222.589974] ? __handle_mm_fault+0x53e0/0x53e0 [ 222.594559] ? find_vma+0x34/0x190 [ 222.598105] __do_page_fault+0x67d/0xed0 [ 222.602180] ? mm_fault_error+0x380/0x380 [ 222.606334] ? syscall_slow_exit_work+0x520/0x520 [ 222.611199] do_page_fault+0xf2/0x7e0 [ 222.615003] ? vmalloc_sync_all+0x30/0x30 [ 222.619157] ? error_entry+0x70/0xd0 [ 222.622875] ? trace_hardirqs_off_caller+0xbb/0x300 [ 222.627890] ? trace_hardirqs_on_caller+0xc0/0x300 [ 222.632818] ? syscall_return_slowpath+0x5e0/0x5e0 [ 222.637756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.642599] ? trace_hardirqs_off+0x300/0x300 [ 222.647100] ? trace_hardirqs_off_caller+0x300/0x300 [ 222.652211] ? prepare_exit_to_usermode+0x291/0x3b0 [ 222.657231] ? page_fault+0x8/0x30 [ 222.660776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.665638] ? page_fault+0x8/0x30 [ 222.669195] page_fault+0x1e/0x30 [ 222.672649] RIP: 0033:0x45db60 [ 222.675848] Code: Bad RIP value. [ 222.679214] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 222.684580] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 222.691847] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 222.699128] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 222.706394] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 222.713665] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 222.720964] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 222.720978] warn_alloc_show_mem: 9 callbacks suppressed [ 222.720983] Mem-Info: [ 222.728162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 222.733528] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 222.733528] active_file:15 inactive_file:16 isolated_file:2 [ 222.733528] unevictable:0 dirty:0 writeback:0 unstable:0 [ 222.733528] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 222.733528] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 222.733528] free:13788 free_pcp:262 free_cma:0 [ 222.735900] Call Trace: [ 222.745295] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 222.778139] [ 222.780708] Node 0 [ 222.808371] dump_stack+0x1c4/0x2b4 [ 222.810527] 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 [ 222.812738] ? dump_stack_print_info.cold.2+0x52/0x52 [ 222.816351] lowmem_reserve[]: [ 222.841856] warn_alloc.cold.118+0xb7/0x1bd [ 222.847014] 0 [ 222.850118] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 222.854414] 2815 [ 222.856219] ? lock_downgrade+0x900/0x900 [ 222.861034] 6318 [ 222.863096] ? trace_hardirqs_off+0xb8/0x300 [ 222.867214] 6318 [ 222.869274] ? trace_hardirqs_off+0xb8/0x300 [ 222.875735] __alloc_pages_slowpath+0x2667/0x2d80 [ 222.880121] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 222.884991] ? warn_alloc+0x120/0x120 [ 222.885011] ? warn_alloc+0x120/0x120 [ 222.912574] lowmem_reserve[]: 0 [ 222.916398] ? print_usage_bug+0xc0/0xc0 [ 222.920162] 0 [ 222.923435] ? warn_alloc+0x120/0x120 [ 222.927468] 3503 [ 222.929272] ? print_usage_bug+0xc0/0xc0 [ 222.933047] 3503 [ 222.935105] ? __lock_acquire+0x7ec/0x4ec0 [ 222.941197] ? __lock_acquire+0x7ec/0x4ec0 [ 222.945408] Node 0 [ 222.949640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.949672] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 222.949680] lowmem_reserve[]: [ 222.951919] ? should_fail+0x22d/0xd01 [ 222.957426] 0 [ 222.985898] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.988979] 0 [ 222.992862] ? __lock_acquire+0x7ec/0x4ec0 [ 222.994640] 0 [ 222.999741] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.001523] 0 [ 223.005768] ? __lock_acquire+0x7ec/0x4ec0 [ 223.005784] ? should_fail+0x22d/0xd01 [ 223.012663] ? graph_lock+0x170/0x170 [ 223.014442] Node 0 [ 223.018671] ? mark_held_locks+0x130/0x130 [ 223.022532] DMA: [ 223.026323] ? mark_held_locks+0x130/0x130 [ 223.028538] 1*4kB [ 223.032794] ? graph_lock+0x170/0x170 [ 223.034838] (U) [ 223.039065] ? graph_lock+0x170/0x170 [ 223.041191] 0*8kB [ 223.044994] ? print_usage_bug+0xc0/0xc0 [ 223.046947] 0*16kB [ 223.050748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.052880] 1*32kB [ 223.056933] ? check_preemption_disabled+0x48/0x200 [ 223.059146] (U) [ 223.064673] ? check_preemption_disabled+0x48/0x200 [ 223.066886] 2*64kB [ 223.071898] ? __lock_is_held+0xb5/0x140 [ 223.073847] (U) [ 223.078859] __alloc_pages_nodemask+0xa80/0xde0 [ 223.081062] 1*128kB (U) [ 223.085127] ? graph_lock+0x170/0x170 [ 223.087084] 1*256kB [ 223.091744] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 223.094396] (U) [ 223.098187] ? graph_lock+0x170/0x170 [ 223.100490] 0*512kB [ 223.105506] ? find_held_lock+0x36/0x1c0 [ 223.107451] 1*1024kB [ 223.111253] ? ____cache_alloc_node+0x1c7/0x1e0 [ 223.113538] (U) [ 223.117593] ? lock_downgrade+0x900/0x900 [ 223.119989] 1*2048kB [ 223.124653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.126599] (M) [ 223.130754] cache_grow_begin+0x91/0x8c0 [ 223.133147] 3*4096kB [ 223.138676] ? do_raw_spin_unlock+0xa7/0x2f0 [ 223.140626] (M) [ 223.144683] fallback_alloc+0x203/0x2e0 [ 223.147067] = 15908kB [ 223.151472] ____cache_alloc_node+0x1c7/0x1e0 [ 223.153420] Node 0 [ 223.157386] kmem_cache_alloc_node+0xe3/0x730 [ 223.159768] DMA32: [ 223.164258] ? ipv6_get_ifaddr+0x42e/0x620 [ 223.166470] 3*4kB [ 223.170974] __alloc_skb+0x119/0x770 [ 223.173178] (M) [ 223.177410] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 223.179534] 2*8kB [ 223.183247] ? skb_scrub_packet+0x490/0x490 [ 223.185193] (M) [ 223.190466] ? lock_downgrade+0x900/0x900 [ 223.192592] 1*16kB [ 223.196912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.198860] (M) [ 223.203007] ? refcount_sub_and_test_checked+0x203/0x310 [ 223.205221] 1*32kB [ 223.210759] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 223.212710] (M) [ 223.218156] ? addrconf_rs_timer+0x6f0/0x6f0 [ 223.220367] 3*64kB [ 223.225815] ndisc_alloc_skb+0x144/0x340 [ 223.227759] (UM) [ 223.232162] ndisc_send_rs+0x331/0x6e0 [ 223.234366] 3*128kB (M) [ 223.238433] addrconf_rs_timer+0x3c0/0x6f0 [ 223.240474] 2*256kB [ 223.244358] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.247001] (M) [ 223.251245] call_timer_fn+0x272/0x920 [ 223.253531] 3*512kB [ 223.257755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.257772] ? process_timeout+0x40/0x40 [ 223.259725] (M) [ 223.263605] ? find_held_lock+0x36/0x1c0 [ 223.265904] 4*1024kB [ 223.270135] ? __run_timers+0x7da/0xc70 [ 223.274164] (UM) [ 223.276140] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.280174] 3*2048kB [ 223.282577] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.286522] (UM) 3*4096kB [ 223.288588] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.293056] (M) [ 223.295463] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 223.299924] = 25228kB [ 223.299932] Node 0 [ 223.302779] ? trace_hardirqs_on+0xbd/0x310 [ 223.306986] Normal: [ 223.308965] ? kasan_check_read+0x11/0x20 [ 223.313524] 866*4kB [ 223.315944] ? __run_timers+0x7da/0xc70 [ 223.318176] (ME) [ 223.322494] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.324793] 469*8kB [ 223.328938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.331238] (UME) 197*16kB (UME) [ 223.335221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.337258] 59*32kB [ 223.342703] __run_timers+0x7e5/0xc70 [ 223.345004] (UME) [ 223.349247] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 223.352664] 18*64kB [ 223.356898] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 223.359194] (ME) [ 223.362995] ? graph_lock+0x170/0x170 [ 223.365121] 3*128kB [ 223.370476] ? enqueue_hrtimer+0x1a5/0x560 [ 223.372775] (M) [ 223.377784] ? lock_release+0x970/0x970 [ 223.379826] 1*256kB [ 223.383617] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 223.385915] (U) [ 223.390146] ? find_held_lock+0x36/0x1c0 [ 223.392103] 0*512kB [ 223.396068] ? graph_lock+0x170/0x170 [ 223.398368] 0*1024kB [ 223.403552] ? pvclock_read_flags+0x160/0x160 [ 223.405507] 0*2048kB [ 223.409563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.411862] 0*4096kB [ 223.415653] ? check_preemption_disabled+0x48/0x200 [ 223.418034] = 14048kB [ 223.418048] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 223.422539] ? __lock_is_held+0xb5/0x140 [ 223.424926] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 223.430454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.432842] 412 total pagecache pages [ 223.437852] ? check_preemption_disabled+0x48/0x200 [ 223.440251] 0 pages in swap cache [ 223.449082] run_timer_softirq+0x52/0xb0 [ 223.453115] Swap cache stats: add 0, delete 0, find 0/0 [ 223.461680] ? rcu_read_lock_sched_held+0x108/0x120 [ 223.467189] Free swap = 0kB [ 223.470992] __do_softirq+0x30b/0xad8 [ 223.475982] Total swap = 0kB [ 223.479433] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 223.483462] 1965979 pages RAM [ 223.488816] ? pvclock_read_flags+0x160/0x160 [ 223.493811] 0 pages HighMem/MovableOnly [ 223.496823] ? lapic_next_event+0x5a/0x90 [ 223.500601] 343323 pages reserved [ 223.503615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.508700] 0 pages cma reserved [ 223.511811] ? check_preemption_disabled+0x48/0x200 [ 223.516354] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 223.520251] ? check_preemption_disabled+0x48/0x200 [ 223.520274] ? kvm_clock_read+0x18/0x30 [ 223.520290] ? kvm_sched_clock_read+0x9/0x20 [ 223.524489] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 223.527868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.533381] syz-fuzzer cpuset= [ 223.536737] ? check_preemption_disabled+0x48/0x200 [ 223.541741] / [ 223.548228] irq_exit+0x17f/0x1c0 [ 223.553212] mems_allowed=0 [ 223.557192] smp_apic_timer_interrupt+0x1cb/0x760 [ 223.598365] ? smp_reschedule_interrupt+0x109/0x650 [ 223.603393] ? smp_call_function_single_interrupt+0x650/0x650 [ 223.609279] ? interrupt_entry+0xb5/0xf0 [ 223.613345] ? trace_hardirqs_off_caller+0xbb/0x300 [ 223.618359] ? trace_hardirqs_off_caller+0xbb/0x300 [ 223.623381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.628228] ? trace_hardirqs_off+0x300/0x300 [ 223.632729] ? trace_hardirqs_off+0x300/0x300 [ 223.637225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.642790] ? check_preemption_disabled+0x48/0x200 [ 223.647837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.653380] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.658232] apic_timer_interrupt+0xf/0x20 [ 223.662465] [ 223.664709] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 223.669642] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 223.688544] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 223.696262] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 223.703530] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 223.710802] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 223.718070] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 223.725360] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 223.732665] skb_clone+0x1bb/0x500 [ 223.736246] ? skb_split+0x11e0/0x11e0 [ 223.740143] ? dev_forward_skb+0x4c/0x60 [ 223.744209] ? __bpf_redirect+0x54b/0xb20 [ 223.748360] ? __switch_to_asm+0x34/0x70 [ 223.752428] bpf_clone_redirect+0xb9/0x490 [ 223.756678] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 223.761701] ? __sched_text_start+0x8/0x8 [ 223.765855] ? lockdep_hardirqs_on+0x421/0x5c0 [ 223.770450] ? retint_kernel+0x2d/0x2d [ 223.774344] ? trace_hardirqs_on_caller+0xc0/0x300 [ 223.779286] ? find_held_lock+0x36/0x1c0 [ 223.783357] ? lock_acquire+0x1ed/0x520 [ 223.787334] ? bpf_test_run+0x32e/0x5a0 [ 223.791310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.796850] ? check_preemption_disabled+0x48/0x200 [ 223.801888] ? kasan_check_read+0x11/0x20 [ 223.806091] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 223.811370] ? rcu_bh_qs+0xc0/0xc0 [ 223.814917] ? preempt_schedule+0x4d/0x60 [ 223.819070] ? ___preempt_schedule+0x16/0x18 [ 223.823488] ? bpf_test_run+0x1c0/0x5a0 [ 223.827473] ? netlink_diag_dump+0x2a0/0x2a0 [ 223.832363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.837903] ? bpf_test_init.isra.9+0x70/0x100 [ 223.842491] ? bpf_prog_test_run_skb+0x634/0xb40 [ 223.847261] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 223.852106] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 223.857645] ? fput+0x130/0x1a0 [ 223.860928] ? __bpf_prog_get+0x9b/0x290 [ 223.865004] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 223.869844] ? bpf_prog_test_run+0x130/0x1a0 [ 223.874264] ? __x64_sys_bpf+0x3d8/0x510 [ 223.878325] ? bpf_prog_get+0x20/0x20 [ 223.882135] ? ksys_ioctl+0x81/0xd0 [ 223.885778] ? do_syscall_64+0x1b9/0x820 [ 223.889872] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 223.895243] ? syscall_return_slowpath+0x5e0/0x5e0 [ 223.900176] ? trace_hardirqs_off+0x300/0x300 [ 223.904672] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 223.909693] ? recalc_sigpending_tsk+0x180/0x180 [ 223.914452] ? kasan_check_write+0x14/0x20 [ 223.918700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.923554] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 223.928934] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 223.929033] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 223.935865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.935874] Call Trace: [ 223.942462] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 223.951699] [ 223.954269] syz-executor0 cpuset= [ 223.965234] dump_stack+0x1c4/0x2b4 [ 223.967366] syz0 [ 223.970813] ? dump_stack_print_info.cold.2+0x52/0x52 [ 223.974417] mems_allowed=0 [ 223.976393] warn_alloc.cold.118+0xb7/0x1bd [ 223.988783] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 223.993635] ? lock_downgrade+0x900/0x900 [ 223.997792] ? trace_hardirqs_off+0xb8/0x300 [ 224.002206] ? trace_hardirqs_off+0xb8/0x300 [ 224.006626] __alloc_pages_slowpath+0x2667/0x2d80 [ 224.011524] ? warn_alloc+0x120/0x120 [ 224.015337] ? warn_alloc+0x120/0x120 [ 224.019143] ? print_usage_bug+0xc0/0xc0 [ 224.023208] ? warn_alloc+0x120/0x120 [ 224.027011] ? print_usage_bug+0xc0/0xc0 [ 224.031079] ? __lock_acquire+0x7ec/0x4ec0 [ 224.035324] ? __lock_acquire+0x7ec/0x4ec0 [ 224.039568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.045111] ? should_fail+0x22d/0xd01 [ 224.049004] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.054113] ? __lock_acquire+0x7ec/0x4ec0 [ 224.058353] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.063455] ? __lock_acquire+0x7ec/0x4ec0 [ 224.067693] ? should_fail+0x22d/0xd01 [ 224.071590] ? mark_held_locks+0x130/0x130 [ 224.075829] ? mark_held_locks+0x130/0x130 [ 224.080068] ? graph_lock+0x170/0x170 [ 224.083872] ? graph_lock+0x170/0x170 [ 224.087692] ? graph_lock+0x170/0x170 [ 224.091493] ? print_usage_bug+0xc0/0xc0 [ 224.095555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.101108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.106649] ? check_preemption_disabled+0x48/0x200 [ 224.111665] ? check_preemption_disabled+0x48/0x200 [ 224.116694] ? __lock_is_held+0xb5/0x140 [ 224.120769] __alloc_pages_nodemask+0xa80/0xde0 [ 224.125440] ? graph_lock+0x170/0x170 [ 224.129248] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 224.134269] ? graph_lock+0x170/0x170 [ 224.138081] ? find_held_lock+0x36/0x1c0 [ 224.142156] ? ____cache_alloc_node+0x1c7/0x1e0 [ 224.146828] ? lock_downgrade+0x900/0x900 [ 224.150996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.156539] cache_grow_begin+0x91/0x8c0 [ 224.160601] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.165023] fallback_alloc+0x203/0x2e0 [ 224.169010] ____cache_alloc_node+0x1c7/0x1e0 [ 224.173515] kmem_cache_alloc_node+0xe3/0x730 [ 224.178013] ? ipv6_get_ifaddr+0x42e/0x620 [ 224.182259] __alloc_skb+0x119/0x770 [ 224.185989] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.191276] ? skb_scrub_packet+0x490/0x490 [ 224.195602] ? lock_downgrade+0x900/0x900 [ 224.199766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.205309] ? refcount_sub_and_test_checked+0x203/0x310 [ 224.210769] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 224.216223] ? addrconf_rs_timer+0x6f0/0x6f0 [ 224.220650] ndisc_alloc_skb+0x144/0x340 [ 224.224723] ndisc_send_rs+0x331/0x6e0 [ 224.228622] addrconf_rs_timer+0x3c0/0x6f0 [ 224.232864] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.237118] call_timer_fn+0x272/0x920 [ 224.241007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.245249] ? process_timeout+0x40/0x40 [ 224.249309] ? find_held_lock+0x36/0x1c0 [ 224.253383] ? mark_held_locks+0xc7/0x130 [ 224.257536] ? _raw_spin_unlock_irq+0x27/0x80 [ 224.262030] ? _raw_spin_unlock_irq+0x27/0x80 [ 224.266524] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.270764] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 224.275350] ? trace_hardirqs_on+0xbd/0x310 [ 224.279671] ? kasan_check_read+0x11/0x20 [ 224.283820] ? __run_timers+0x7da/0xc70 [ 224.287800] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.293261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.297505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.301749] __run_timers+0x7e5/0xc70 [ 224.305566] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 224.310939] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 224.315973] ? graph_lock+0x170/0x170 [ 224.319823] ? print_usage_bug+0xc0/0xc0 [ 224.323882] ? lock_release+0x970/0x970 [ 224.327866] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 224.333066] ? find_held_lock+0x36/0x1c0 [ 224.337132] ? graph_lock+0x170/0x170 [ 224.340936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.346486] ? check_preemption_disabled+0x48/0x200 [ 224.351517] ? __lock_is_held+0xb5/0x140 [ 224.355582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.361123] ? check_preemption_disabled+0x48/0x200 [ 224.366152] run_timer_softirq+0x52/0xb0 [ 224.370218] ? rcu_read_lock_sched_held+0x108/0x120 [ 224.375258] __do_softirq+0x30b/0xad8 [ 224.379076] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 224.384188] ? pvclock_read_flags+0x160/0x160 [ 224.388690] ? lapic_next_event+0x5a/0x90 [ 224.392842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.398394] ? check_preemption_disabled+0x48/0x200 [ 224.403413] ? check_preemption_disabled+0x48/0x200 [ 224.408439] ? kvm_clock_read+0x18/0x30 [ 224.412418] ? kvm_sched_clock_read+0x9/0x20 [ 224.416853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.422403] ? check_preemption_disabled+0x48/0x200 [ 224.427434] irq_exit+0x17f/0x1c0 [ 224.430899] smp_apic_timer_interrupt+0x1cb/0x760 [ 224.435754] ? smp_call_function_single_interrupt+0x650/0x650 [ 224.441643] ? interrupt_entry+0xb5/0xf0 [ 224.445708] ? trace_hardirqs_off_caller+0xbb/0x300 [ 224.450730] ? trace_hardirqs_off_caller+0xbb/0x300 [ 224.455763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.460609] ? trace_hardirqs_off+0x300/0x300 [ 224.465106] ? trace_hardirqs_off+0x300/0x300 [ 224.469601] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.475136] ? check_preemption_disabled+0x48/0x200 [ 224.480152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.485696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.490551] apic_timer_interrupt+0xf/0x20 [ 224.494778] [ 224.497016] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 224.502385] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 224.521286] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 224.529000] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 224.536267] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 224.543537] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 224.550806] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 224.558077] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 224.565367] ? page_evictable+0x35d/0x540 [ 224.569526] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 224.575064] page_evictable+0x36b/0x540 [ 224.579049] ? kswapd_stop+0x100/0x100 [ 224.582943] ? ___might_sleep+0x1ed/0x300 [ 224.587106] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.592562] ? arch_local_save_flags+0x40/0x40 [ 224.597153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.602695] ? check_preemption_disabled+0x48/0x200 [ 224.607724] shrink_active_list+0x845/0x1c20 [ 224.612146] ? free_unref_page_list+0xc0f/0x11e0 [ 224.616931] ? shrink_inactive_list+0x1c60/0x1c60 [ 224.621803] ? graph_lock+0x170/0x170 [ 224.625609] ? __page_frag_cache_drain+0x200/0x200 [ 224.630544] ? print_usage_bug+0xc0/0xc0 [ 224.634627] ? find_held_lock+0x36/0x1c0 [ 224.638693] ? graph_lock+0x170/0x170 [ 224.642499] ? mark_held_locks+0xc7/0x130 [ 224.646651] ? check_preemption_disabled+0x48/0x200 [ 224.651668] ? check_preemption_disabled+0x48/0x200 [ 224.656694] ? graph_lock+0x170/0x170 [ 224.660496] ? __lock_is_held+0xb5/0x140 [ 224.664561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.670097] ? check_preemption_disabled+0x48/0x200 [ 224.675124] ? __lock_is_held+0xb5/0x140 [ 224.679201] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 224.684222] ? inactive_list_is_low+0x305/0x880 [ 224.688902] ? lruvec_lru_size+0x450/0x450 [ 224.693136] ? kasan_check_read+0x11/0x20 [ 224.697295] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 224.702241] shrink_node_memcg+0x803/0x18e0 [ 224.706583] ? shrink_active_list+0x1c20/0x1c20 [ 224.711262] ? lockdep_hardirqs_on+0x421/0x5c0 [ 224.715847] ? trace_hardirqs_on+0xbd/0x310 [ 224.720174] ? vmpressure+0x294/0x310 [ 224.723981] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.729458] shrink_node+0x3bc/0x16b0 [ 224.733263] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 224.738568] ? shrink_node_memcg+0x18e0/0x18e0 [ 224.743154] ? lockdep_hardirqs_on+0x421/0x5c0 [ 224.747749] ? trace_hardirqs_on+0xbd/0x310 [ 224.752075] ? vmpressure+0x294/0x310 [ 224.755883] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.760306] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 224.764896] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 224.770438] ? __cpuset_node_allowed+0x19b/0x660 [ 224.775203] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 224.780917] ? vmpressure+0x1c9/0x310 [ 224.784755] do_try_to_free_pages+0x3e7/0x1290 [ 224.789359] ? shrink_node+0x16b0/0x16b0 [ 224.793424] ? __lock_is_held+0xb5/0x140 [ 224.797502] try_to_free_pages+0x4d0/0xb90 [ 224.801755] ? do_try_to_free_pages+0x1290/0x1290 [ 224.806602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.812156] ? lock_acquire+0x1ed/0x520 [ 224.816133] ? set_page_refcounted+0x280/0x280 [ 224.820724] ? lock_release+0x970/0x970 [ 224.824715] ? ___might_sleep+0x1ed/0x300 [ 224.828872] ? arch_local_save_flags+0x40/0x40 [ 224.833473] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 224.838497] ? __radix_tree_lookup+0x358/0x4c0 [ 224.843093] __alloc_pages_slowpath+0x993/0x2d80 [ 224.847883] ? kasan_check_read+0x11/0x20 [ 224.852036] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.857315] ? warn_alloc+0x120/0x120 [ 224.861119] ? __radix_tree_lookup+0x4c0/0x4c0 [ 224.865715] ? find_get_entry+0x2f2/0xc40 [ 224.869880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.875423] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 224.880352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.885895] ? should_fail+0x22d/0xd01 [ 224.889789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.894893] ? __lock_is_held+0xb5/0x140 [ 224.898963] ? graph_lock+0x170/0x170 [ 224.902773] ? graph_lock+0x170/0x170 [ 224.906595] ? __lock_is_held+0xb5/0x140 [ 224.910669] ? __lock_acquire+0x7ec/0x4ec0 [ 224.914914] ? ___might_sleep+0x1ed/0x300 [ 224.919063] ? lock_release+0x970/0x970 [ 224.923044] ? arch_local_save_flags+0x40/0x40 [ 224.927642] ? __might_sleep+0x95/0x190 [ 224.931627] __alloc_pages_nodemask+0xa80/0xde0 [ 224.936312] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 224.941343] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 224.947144] ? kasan_check_read+0x11/0x20 [ 224.951295] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.956579] ? graph_lock+0x170/0x170 [ 224.960386] ? print_usage_bug+0xc0/0xc0 [ 224.964456] ? graph_lock+0x170/0x170 [ 224.968259] ? graph_lock+0x170/0x170 [ 224.972064] ? __do_page_cache_readahead+0x7ce/0x980 [ 224.977173] ? find_held_lock+0x36/0x1c0 [ 224.981252] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 224.986795] alloc_pages_current+0x10c/0x210 [ 224.991208] ? lock_downgrade+0x900/0x900 [ 224.995369] __page_cache_alloc+0x38f/0x5b0 [ 224.999702] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 225.005498] ? kasan_check_read+0x11/0x20 [ 225.009650] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.014930] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 225.019613] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.025154] ? check_preemption_disabled+0x48/0x200 [ 225.030181] filemap_fault+0x1594/0x25f0 [ 225.034259] ? __lock_page_or_retry+0xa00/0xa00 [ 225.038933] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 225.044737] ? kasan_check_read+0x11/0x20 [ 225.048893] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.054174] ? rcu_bh_qs+0xc0/0xc0 [ 225.057720] ? print_usage_bug+0xc0/0xc0 [ 225.061794] ? filemap_map_pages+0xdea/0x1980 [ 225.066299] ? print_usage_bug+0xc0/0xc0 [ 225.070374] ? find_get_pages_range_tag+0x1320/0x1320 [ 225.075566] ? print_usage_bug+0xc0/0xc0 [ 225.079642] ? __lock_acquire+0x7ec/0x4ec0 [ 225.083878] ? graph_lock+0x170/0x170 [ 225.087682] ? __sigqueue_free.part.27+0x7d/0xa0 [ 225.092444] ? __lock_acquire+0x7ec/0x4ec0 [ 225.096722] ? lock_acquire+0x1ed/0x520 [ 225.100715] ? ext4_filemap_fault+0x7a/0xad [ 225.105046] ? lock_release+0x970/0x970 [ 225.109026] ? arch_local_save_flags+0x40/0x40 [ 225.113611] ? mark_held_locks+0x130/0x130 [ 225.117874] ? down_read+0xb0/0x1d0 [ 225.121500] ? ext4_filemap_fault+0x7a/0xad [ 225.125822] ? __down_interruptible+0x700/0x700 [ 225.130495] ? graph_lock+0x170/0x170 [ 225.134297] ? __sigqueue_free.part.27+0x7d/0xa0 [ 225.139071] ext4_filemap_fault+0x82/0xad [ 225.143227] __do_fault+0x100/0x6b0 [ 225.146861] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.152141] ? print_bad_pte+0x6c0/0x6c0 [ 225.156210] ? pmd_val+0x88/0x100 [ 225.159667] ? add_mm_counter_fast+0xd0/0xd0 [ 225.164078] ? pmd_val+0x88/0x100 [ 225.167537] ? add_mm_counter_fast+0xd0/0xd0 [ 225.171952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.177508] __handle_mm_fault+0x3709/0x53e0 [ 225.181927] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 225.186783] ? graph_lock+0x170/0x170 [ 225.190588] ? print_usage_bug+0xc0/0xc0 [ 225.194654] ? graph_lock+0x170/0x170 [ 225.198460] ? graph_lock+0x170/0x170 [ 225.202284] ? handle_mm_fault+0x42a/0xc70 [ 225.206524] ? lock_downgrade+0x900/0x900 [ 225.210675] ? check_preemption_disabled+0x48/0x200 [ 225.215702] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 225.221497] ? kasan_check_read+0x11/0x20 [ 225.225648] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.230931] ? rcu_bh_qs+0xc0/0xc0 [ 225.234484] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.239940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.245490] ? check_preemption_disabled+0x48/0x200 [ 225.250516] handle_mm_fault+0x54f/0xc70 [ 225.254584] ? __handle_mm_fault+0x53e0/0x53e0 [ 225.259169] ? find_vma+0x34/0x190 [ 225.262717] __do_page_fault+0x67d/0xed0 [ 225.266792] ? mm_fault_error+0x380/0x380 [ 225.270951] ? syscall_slow_exit_work+0x520/0x520 [ 225.275812] do_page_fault+0xf2/0x7e0 [ 225.279617] ? vmalloc_sync_all+0x30/0x30 [ 225.283773] ? error_entry+0x70/0xd0 [ 225.287487] ? trace_hardirqs_off_caller+0xbb/0x300 [ 225.292501] ? trace_hardirqs_on_caller+0xc0/0x300 [ 225.297434] ? syscall_return_slowpath+0x5e0/0x5e0 [ 225.302366] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.307213] ? trace_hardirqs_off+0x300/0x300 [ 225.311712] ? trace_hardirqs_off_caller+0x300/0x300 [ 225.316823] ? prepare_exit_to_usermode+0x291/0x3b0 [ 225.321838] ? page_fault+0x8/0x30 [ 225.325384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.330234] ? page_fault+0x8/0x30 [ 225.333785] page_fault+0x1e/0x30 [ 225.337238] RIP: 0033:0x45db60 [ 225.340449] Code: Bad RIP value. [ 225.343813] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 225.349181] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 225.356451] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 225.363718] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 225.370995] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 225.378264] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 225.385567] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 225.385573] warn_alloc_show_mem: 1 callbacks suppressed [ 225.385581] Mem-Info: [ 225.392767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.398137] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 225.398137] active_file:15 inactive_file:16 isolated_file:2 [ 225.398137] unevictable:0 dirty:0 writeback:0 unstable:0 [ 225.398137] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 225.398137] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 225.398137] free:13788 free_pcp:262 free_cma:0 [ 225.400507] Call Trace: [ 225.409892] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 225.442754] [ 225.445330] Node 0 [ 225.472997] dump_stack+0x1c4/0x2b4 [ 225.475144] 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 [ 225.477352] ? dump_stack_print_info.cold.2+0x52/0x52 [ 225.480964] lowmem_reserve[]: [ 225.506653] warn_alloc.cold.118+0xb7/0x1bd [ 225.511804] 0 [ 225.514901] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 225.519199] 2815 [ 225.521000] ? lock_downgrade+0x900/0x900 [ 225.525814] 6318 [ 225.527878] ? trace_hardirqs_off+0xb8/0x300 [ 225.531994] 6318 [ 225.534056] ? trace_hardirqs_off+0xb8/0x300 [ 225.540504] __alloc_pages_slowpath+0x2667/0x2d80 [ 225.544879] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 225.549743] ? warn_alloc+0x120/0x120 [ 225.549761] ? trace_hardirqs_on+0x310/0x310 [ 225.577323] lowmem_reserve[]: 0 [ 225.581133] ? warn_alloc+0x120/0x120 [ 225.585536] 0 [ 225.588813] ? print_usage_bug+0xc0/0xc0 [ 225.592586] 3503 [ 225.594383] ? warn_alloc+0x120/0x120 [ 225.598417] 3503 [ 225.600476] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 225.604253] Node 0 [ 225.606309] ? print_usage_bug+0xc0/0xc0 [ 225.611324] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 225.613529] ? __lock_acquire+0x7ec/0x4ec0 [ 225.617566] lowmem_reserve[]: [ 225.645927] ? __lock_acquire+0x7ec/0x4ec0 [ 225.650139] 0 [ 225.653248] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.657449] 0 [ 225.659254] ? should_fail+0x22d/0xd01 [ 225.664760] 0 [ 225.666562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.670420] 0 [ 225.672216] ? __lock_acquire+0x7ec/0x4ec0 [ 225.679092] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.683298] Node 0 [ 225.688387] ? __lock_acquire+0x7ec/0x4ec0 [ 225.688397] DMA: [ 225.690628] ? should_fail+0x22d/0xd01 [ 225.694836] 1*4kB [ 225.696895] ? print_usage_bug+0xc0/0xc0 [ 225.700758] (U) [ 225.702905] ? mark_held_locks+0x130/0x130 [ 225.706940] 0*8kB [ 225.708918] ? mark_held_locks+0x130/0x130 [ 225.713131] 0*16kB [ 225.715278] ? graph_lock+0x170/0x170 [ 225.719482] 1*32kB [ 225.721712] ? print_usage_bug+0xc0/0xc0 [ 225.725486] (U) [ 225.727719] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 225.731757] 2*64kB [ 225.733733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.738463] (U) [ 225.740695] ? check_preemption_disabled+0x48/0x200 [ 225.746207] 1*128kB [ 225.748174] ? check_preemption_disabled+0x48/0x200 [ 225.753167] (U) [ 225.755490] ? __lock_is_held+0xb5/0x140 [ 225.760479] 1*256kB [ 225.762450] __alloc_pages_nodemask+0xa80/0xde0 [ 225.766481] (U) [ 225.768796] ? graph_lock+0x170/0x170 [ 225.773442] 0*512kB [ 225.775410] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 225.779189] 1*1024kB [ 225.781505] ? graph_lock+0x170/0x170 [ 225.786497] (U) [ 225.788906] ? find_held_lock+0x36/0x1c0 [ 225.792675] 1*2048kB [ 225.794657] ? ____cache_alloc_node+0x1c7/0x1e0 [ 225.798700] (M) [ 225.801105] ? lock_downgrade+0x900/0x900 [ 225.805748] 3*4096kB [ 225.807722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.811837] (M) [ 225.814255] cache_grow_begin+0x91/0x8c0 [ 225.819763] = 15908kB [ 225.821733] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.825775] Node 0 [ 225.828182] fallback_alloc+0x203/0x2e0 [ 225.832733] DMA32: [ 225.834984] ____cache_alloc_node+0x1c7/0x1e0 [ 225.838933] 3*4kB [ 225.841170] kmem_cache_alloc_node+0xe3/0x730 [ 225.845640] (M) [ 225.847790] ? ipv6_get_ifaddr+0x42e/0x620 [ 225.852258] 2*8kB [ 225.854233] __alloc_skb+0x119/0x770 [ 225.858432] (M) 1*16kB [ 225.860592] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.864278] (M) [ 225.866857] ? skb_scrub_packet+0x490/0x490 [ 225.872111] 1*32kB [ 225.874082] ? lock_downgrade+0x900/0x900 [ 225.878378] (M) [ 225.880615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.884736] 3*64kB [ 225.886714] ? refcount_sub_and_test_checked+0x203/0x310 [ 225.892214] (UM) 3*128kB [ 225.894459] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 225.899886] (M) [ 225.902639] ? addrconf_rs_timer+0x6f0/0x6f0 [ 225.908068] 2*256kB [ 225.910045] ndisc_alloc_skb+0x144/0x340 [ 225.914418] (M) [ 225.916736] ndisc_send_rs+0x331/0x6e0 [ 225.920777] 3*512kB [ 225.922749] addrconf_rs_timer+0x3c0/0x6f0 [ 225.926616] (M) [ 225.928938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.933149] 4*1024kB [ 225.935127] call_timer_fn+0x272/0x920 [ 225.939328] (UM) [ 225.941737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.945608] 3*2048kB [ 225.947666] ? process_timeout+0x40/0x40 [ 225.951872] (UM) [ 225.954281] ? find_held_lock+0x36/0x1c0 [ 225.958314] 3*4096kB (M) [ 225.960490] ? __run_timers+0x7da/0xc70 [ 225.960503] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.960510] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.960518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.960526] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 225.960537] ? trace_hardirqs_on+0xbd/0x310 [ 225.960545] ? kasan_check_read+0x11/0x20 [ 225.960553] ? __run_timers+0x7da/0xc70 [ 225.960561] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.960572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.960583] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.960591] __run_timers+0x7e5/0xc70 [ 225.960606] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 225.960616] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 225.960625] ? graph_lock+0x170/0x170 [ 225.960634] ? enqueue_hrtimer+0x1a5/0x560 [ 225.960641] ? lock_release+0x970/0x970 [ 225.960650] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 225.960661] ? find_held_lock+0x36/0x1c0 [ 225.960671] ? graph_lock+0x170/0x170 [ 225.960681] ? pvclock_read_flags+0x160/0x160 [ 225.960689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.960698] ? check_preemption_disabled+0x48/0x200 [ 225.960711] ? __lock_is_held+0xb5/0x140 [ 225.960719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.960727] ? check_preemption_disabled+0x48/0x200 [ 225.960739] run_timer_softirq+0x52/0xb0 [ 225.960753] ? rcu_read_lock_sched_held+0x108/0x120 [ 225.960768] __do_softirq+0x30b/0xad8 [ 225.960791] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 225.964829] = 25228kB [ 225.967590] ? pvclock_read_flags+0x160/0x160 [ 225.971538] Node 0 [ 225.976028] ? lapic_next_event+0x5a/0x90 [ 225.980500] Normal: [ 225.984727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.989295] 866*4kB [ 225.993608] ? check_preemption_disabled+0x48/0x200 [ 225.997728] (ME) [ 226.001696] ? check_preemption_disabled+0x48/0x200 [ 226.007122] 469*8kB [ 226.011354] ? kvm_clock_read+0x18/0x30 [ 226.015560] (UME) [ 226.019353] ? kvm_sched_clock_read+0x9/0x20 [ 226.024694] 197*16kB [ 226.029703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.033478] (UME) [ 226.037704] ? check_preemption_disabled+0x48/0x200 [ 226.041657] 59*32kB [ 226.046847] irq_exit+0x17f/0x1c0 [ 226.050873] (UME) [ 226.054673] smp_apic_timer_interrupt+0x1cb/0x760 [ 226.059140] 18*64kB [ 226.064671] ? smp_reschedule_interrupt+0x109/0x650 [ 226.069659] (ME) [ 226.073714] ? smp_call_function_single_interrupt+0x650/0x650 [ 226.079226] 3*128kB [ 226.084248] ? interrupt_entry+0xb5/0xf0 [ 226.088293] (M) [ 226.093306] ? trace_hardirqs_off_caller+0xbb/0x300 [ 226.097083] 1*256kB [ 226.102177] ? trace_hardirqs_off_caller+0xbb/0x300 [ 226.104559] (U) [ 226.109052] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.111262] 0*512kB [ 226.115403] ? trace_hardirqs_off+0x300/0x300 [ 226.117704] 0*1024kB [ 226.123234] ? trace_hardirqs_off+0x300/0x300 [ 226.125530] 0*2048kB 0*4096kB [ 226.130551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.132586] = 14048kB [ 226.137605] ? check_preemption_disabled+0x48/0x200 [ 226.139910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 226.143885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.146015] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 226.150412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.152794] 412 total pagecache pages [ 226.158336] apic_timer_interrupt+0xf/0x20 [ 226.160463] 0 pages in swap cache [ 226.165454] [ 226.167767] Swap cache stats: add 0, delete 0, find 0/0 [ 226.171212] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 226.173335] Free swap = 0kB [ 226.178168] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 226.180465] Total swap = 0kB [ 226.185465] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 226.187525] 1965979 pages RAM [ 226.193395] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 226.195700] 0 pages HighMem/MovableOnly [ 226.199742] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 226.199755] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 226.201715] 343323 pages reserved [ 226.206719] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 226.209032] 0 pages cma reserved [ 226.214041] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 226.214091] skb_clone+0x1bb/0x500 [ 226.216086] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 226.220845] ? skb_split+0x11e0/0x11e0 [ 226.220868] ? dev_forward_skb+0x4c/0x60 [ 226.220888] ? __bpf_redirect+0x54b/0xb20 [ 226.223257] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 226.227676] ? __switch_to_asm+0x34/0x70 [ 226.230059] syz-fuzzer cpuset= [ 226.234552] bpf_clone_redirect+0xb9/0x490 [ 226.237716] / [ 226.243258] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 226.245641] mems_allowed=0 [ 226.250653] ? __sched_text_start+0x8/0x8 [ 226.442498] ? lockdep_hardirqs_on+0x421/0x5c0 [ 226.447091] ? retint_kernel+0x2d/0x2d [ 226.450988] ? trace_hardirqs_on_caller+0xc0/0x300 [ 226.455925] ? find_held_lock+0x36/0x1c0 [ 226.460003] ? lock_acquire+0x1ed/0x520 [ 226.463986] ? bpf_test_run+0x32e/0x5a0 [ 226.467976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.473519] ? check_preemption_disabled+0x48/0x200 [ 226.478542] ? kasan_check_read+0x11/0x20 [ 226.482697] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.487983] ? rcu_bh_qs+0xc0/0xc0 [ 226.491533] ? preempt_schedule+0x4d/0x60 [ 226.495684] ? ___preempt_schedule+0x16/0x18 [ 226.500103] ? bpf_test_run+0x1c0/0x5a0 [ 226.504095] ? netlink_diag_dump+0x2a0/0x2a0 [ 226.508511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.514051] ? bpf_test_init.isra.9+0x70/0x100 [ 226.518640] ? bpf_prog_test_run_skb+0x634/0xb40 [ 226.523403] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 226.528255] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 226.533797] ? fput+0x130/0x1a0 [ 226.537080] ? __bpf_prog_get+0x9b/0x290 [ 226.541148] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 226.545995] ? bpf_prog_test_run+0x130/0x1a0 [ 226.550422] ? __x64_sys_bpf+0x3d8/0x510 [ 226.554487] ? bpf_prog_get+0x20/0x20 [ 226.558309] ? ksys_ioctl+0x81/0xd0 [ 226.561952] ? do_syscall_64+0x1b9/0x820 [ 226.566033] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 226.571415] ? syscall_return_slowpath+0x5e0/0x5e0 [ 226.576350] ? trace_hardirqs_off+0x300/0x300 [ 226.580849] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 226.585868] ? recalc_sigpending_tsk+0x180/0x180 [ 226.590625] ? kasan_check_write+0x14/0x20 [ 226.594872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.599727] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 226.605112] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 226.605198] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 226.612037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.612042] Call Trace: [ 226.612050] [ 226.612066] dump_stack+0x1c4/0x2b4 [ 226.612088] ? dump_stack_print_info.cold.2+0x52/0x52 [ 226.618657] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 226.627920] warn_alloc.cold.118+0xb7/0x1bd [ 226.630473] syz-executor0 cpuset= [ 226.632620] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 226.636220] syz0 [ 226.641404] ? lock_downgrade+0x900/0x900 [ 226.651867] mems_allowed=0 [ 226.656188] ? trace_hardirqs_off+0xb8/0x300 [ 226.677878] ? trace_hardirqs_off+0xb8/0x300 [ 226.682330] __alloc_pages_slowpath+0x2667/0x2d80 [ 226.687206] ? warn_alloc+0x120/0x120 [ 226.691019] ? warn_alloc+0x120/0x120 [ 226.694825] ? print_usage_bug+0xc0/0xc0 [ 226.698888] ? warn_alloc+0x120/0x120 [ 226.702690] ? print_usage_bug+0xc0/0xc0 [ 226.706761] ? __lock_acquire+0x7ec/0x4ec0 [ 226.710996] ? __lock_acquire+0x7ec/0x4ec0 [ 226.715238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.720778] ? should_fail+0x22d/0xd01 [ 226.724674] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.729777] ? __lock_acquire+0x7ec/0x4ec0 [ 226.734022] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.739123] ? __lock_acquire+0x7ec/0x4ec0 [ 226.743362] ? should_fail+0x22d/0xd01 [ 226.747259] ? mark_held_locks+0x130/0x130 [ 226.751501] ? mark_held_locks+0x130/0x130 [ 226.755745] ? graph_lock+0x170/0x170 [ 226.759547] ? graph_lock+0x170/0x170 [ 226.763354] ? graph_lock+0x170/0x170 [ 226.767156] ? print_usage_bug+0xc0/0xc0 [ 226.771223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.776766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.782315] ? check_preemption_disabled+0x48/0x200 [ 226.787330] ? check_preemption_disabled+0x48/0x200 [ 226.792357] ? __lock_is_held+0xb5/0x140 [ 226.796431] __alloc_pages_nodemask+0xa80/0xde0 [ 226.801101] ? graph_lock+0x170/0x170 [ 226.804909] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 226.809924] ? graph_lock+0x170/0x170 [ 226.813751] ? find_held_lock+0x36/0x1c0 [ 226.817827] ? ____cache_alloc_node+0x1c7/0x1e0 [ 226.822496] ? lock_downgrade+0x900/0x900 [ 226.826657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.832203] cache_grow_begin+0x91/0x8c0 [ 226.836270] ? do_raw_spin_unlock+0xa7/0x2f0 [ 226.840690] fallback_alloc+0x203/0x2e0 [ 226.844673] ____cache_alloc_node+0x1c7/0x1e0 [ 226.849178] kmem_cache_alloc_node+0xe3/0x730 [ 226.853680] ? ipv6_get_ifaddr+0x42e/0x620 [ 226.857930] __alloc_skb+0x119/0x770 [ 226.861662] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.866950] ? skb_scrub_packet+0x490/0x490 [ 226.871285] ? lock_downgrade+0x900/0x900 [ 226.875443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.880994] ? refcount_sub_and_test_checked+0x203/0x310 [ 226.886451] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 226.891908] ? addrconf_rs_timer+0x6f0/0x6f0 [ 226.896336] ndisc_alloc_skb+0x144/0x340 [ 226.900408] ndisc_send_rs+0x331/0x6e0 [ 226.904306] addrconf_rs_timer+0x3c0/0x6f0 [ 226.908548] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.912798] call_timer_fn+0x272/0x920 [ 226.916686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.920924] ? process_timeout+0x40/0x40 [ 226.924995] ? find_held_lock+0x36/0x1c0 [ 226.929068] ? mark_held_locks+0xc7/0x130 [ 226.933222] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.937716] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.942220] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.946459] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 226.951045] ? trace_hardirqs_on+0xbd/0x310 [ 226.955366] ? kasan_check_read+0x11/0x20 [ 226.959517] ? __run_timers+0x7da/0xc70 [ 226.963498] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.968969] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.973216] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.977452] __run_timers+0x7e5/0xc70 [ 226.981269] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 226.986641] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 226.991661] ? graph_lock+0x170/0x170 [ 226.995472] ? print_usage_bug+0xc0/0xc0 [ 226.999531] ? lock_release+0x970/0x970 [ 227.003510] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 227.008737] ? find_held_lock+0x36/0x1c0 [ 227.012825] ? graph_lock+0x170/0x170 [ 227.016634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.022192] ? check_preemption_disabled+0x48/0x200 [ 227.027223] ? __lock_is_held+0xb5/0x140 [ 227.031289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.036834] ? check_preemption_disabled+0x48/0x200 [ 227.041870] run_timer_softirq+0x52/0xb0 [ 227.045937] ? rcu_read_lock_sched_held+0x108/0x120 [ 227.050973] __do_softirq+0x30b/0xad8 [ 227.054788] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 227.059904] ? pvclock_read_flags+0x160/0x160 [ 227.064402] ? lapic_next_event+0x5a/0x90 [ 227.068551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.074087] ? check_preemption_disabled+0x48/0x200 [ 227.079101] ? check_preemption_disabled+0x48/0x200 [ 227.084125] ? kvm_clock_read+0x18/0x30 [ 227.088102] ? kvm_sched_clock_read+0x9/0x20 [ 227.092518] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.098057] ? check_preemption_disabled+0x48/0x200 [ 227.103091] irq_exit+0x17f/0x1c0 [ 227.106548] smp_apic_timer_interrupt+0x1cb/0x760 [ 227.111398] ? smp_call_function_single_interrupt+0x650/0x650 [ 227.117287] ? interrupt_entry+0xb5/0xf0 [ 227.121357] ? trace_hardirqs_off_caller+0xbb/0x300 [ 227.126376] ? trace_hardirqs_off_caller+0xbb/0x300 [ 227.131408] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.136257] ? trace_hardirqs_off+0x300/0x300 [ 227.140761] ? trace_hardirqs_off+0x300/0x300 [ 227.145267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.150810] ? check_preemption_disabled+0x48/0x200 [ 227.155828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.161383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.166242] apic_timer_interrupt+0xf/0x20 [ 227.170478] [ 227.172725] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 227.178099] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 227.197012] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 227.204732] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 227.212008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 227.219284] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 227.226559] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 227.233834] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 227.241143] ? page_evictable+0x35d/0x540 [ 227.245304] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 227.250844] page_evictable+0x36b/0x540 [ 227.254825] ? kswapd_stop+0x100/0x100 [ 227.258723] ? ___might_sleep+0x1ed/0x300 [ 227.262875] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.268333] ? arch_local_save_flags+0x40/0x40 [ 227.272924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.278469] ? check_preemption_disabled+0x48/0x200 [ 227.283500] shrink_active_list+0x845/0x1c20 [ 227.287914] ? free_unref_page_list+0xc0f/0x11e0 [ 227.292687] ? shrink_inactive_list+0x1c60/0x1c60 [ 227.297548] ? graph_lock+0x170/0x170 [ 227.301353] ? __page_frag_cache_drain+0x200/0x200 [ 227.306281] ? print_usage_bug+0xc0/0xc0 [ 227.310361] ? find_held_lock+0x36/0x1c0 [ 227.314425] ? graph_lock+0x170/0x170 [ 227.318233] ? mark_held_locks+0xc7/0x130 [ 227.322387] ? check_preemption_disabled+0x48/0x200 [ 227.327403] ? check_preemption_disabled+0x48/0x200 [ 227.332428] ? graph_lock+0x170/0x170 [ 227.336234] ? __lock_is_held+0xb5/0x140 [ 227.340300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.345850] ? check_preemption_disabled+0x48/0x200 [ 227.350879] ? __lock_is_held+0xb5/0x140 [ 227.354971] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 227.359997] ? inactive_list_is_low+0x305/0x880 [ 227.364677] ? lruvec_lru_size+0x450/0x450 [ 227.368909] ? kasan_check_read+0x11/0x20 [ 227.373068] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 227.378017] shrink_node_memcg+0x803/0x18e0 [ 227.382357] ? shrink_active_list+0x1c20/0x1c20 [ 227.387040] ? lockdep_hardirqs_on+0x421/0x5c0 [ 227.391625] ? trace_hardirqs_on+0xbd/0x310 [ 227.395949] ? vmpressure+0x294/0x310 [ 227.399781] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.405259] shrink_node+0x3bc/0x16b0 [ 227.409065] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 227.414373] ? shrink_node_memcg+0x18e0/0x18e0 [ 227.418963] ? lockdep_hardirqs_on+0x421/0x5c0 [ 227.423556] ? trace_hardirqs_on+0xbd/0x310 [ 227.427882] ? vmpressure+0x294/0x310 [ 227.431690] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.436105] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 227.440713] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 227.446257] ? __cpuset_node_allowed+0x19b/0x660 [ 227.451022] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 227.456745] ? vmpressure+0x1c9/0x310 [ 227.460572] do_try_to_free_pages+0x3e7/0x1290 [ 227.465176] ? shrink_node+0x16b0/0x16b0 [ 227.469245] ? __lock_is_held+0xb5/0x140 [ 227.473328] try_to_free_pages+0x4d0/0xb90 [ 227.477570] ? do_try_to_free_pages+0x1290/0x1290 [ 227.482419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.487979] ? lock_acquire+0x1ed/0x520 [ 227.491969] ? set_page_refcounted+0x280/0x280 [ 227.496559] ? lock_release+0x970/0x970 [ 227.500541] ? ___might_sleep+0x1ed/0x300 [ 227.504696] ? arch_local_save_flags+0x40/0x40 [ 227.509283] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 227.514301] ? __radix_tree_lookup+0x358/0x4c0 [ 227.518892] __alloc_pages_slowpath+0x993/0x2d80 [ 227.523674] ? kasan_check_read+0x11/0x20 [ 227.527828] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.533109] ? warn_alloc+0x120/0x120 [ 227.536913] ? __radix_tree_lookup+0x4c0/0x4c0 [ 227.541509] ? find_get_entry+0x2f2/0xc40 [ 227.545669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.551211] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 227.556142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.561684] ? should_fail+0x22d/0xd01 [ 227.565581] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.570687] ? __lock_is_held+0xb5/0x140 [ 227.574753] ? graph_lock+0x170/0x170 [ 227.578559] ? graph_lock+0x170/0x170 [ 227.582381] ? __lock_is_held+0xb5/0x140 [ 227.586454] ? __lock_acquire+0x7ec/0x4ec0 [ 227.590701] ? ___might_sleep+0x1ed/0x300 [ 227.594868] ? lock_release+0x970/0x970 [ 227.598846] ? arch_local_save_flags+0x40/0x40 [ 227.603443] ? __might_sleep+0x95/0x190 [ 227.607442] __alloc_pages_nodemask+0xa80/0xde0 [ 227.612119] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 227.617154] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.622988] ? kasan_check_read+0x11/0x20 [ 227.627140] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.632422] ? graph_lock+0x170/0x170 [ 227.636227] ? print_usage_bug+0xc0/0xc0 [ 227.640296] ? graph_lock+0x170/0x170 [ 227.644099] ? graph_lock+0x170/0x170 [ 227.647905] ? __do_page_cache_readahead+0x7ce/0x980 [ 227.653017] ? find_held_lock+0x36/0x1c0 [ 227.657088] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 227.662634] alloc_pages_current+0x10c/0x210 [ 227.667048] ? lock_downgrade+0x900/0x900 [ 227.671205] __page_cache_alloc+0x38f/0x5b0 [ 227.675530] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.681329] ? kasan_check_read+0x11/0x20 [ 227.685480] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.690765] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 227.695440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.700984] ? check_preemption_disabled+0x48/0x200 [ 227.706008] filemap_fault+0x1594/0x25f0 [ 227.710086] ? __lock_page_or_retry+0xa00/0xa00 [ 227.714760] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.720558] ? kasan_check_read+0x11/0x20 [ 227.724708] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.729994] ? rcu_bh_qs+0xc0/0xc0 [ 227.733544] ? print_usage_bug+0xc0/0xc0 [ 227.737613] ? filemap_map_pages+0xdea/0x1980 [ 227.742118] ? print_usage_bug+0xc0/0xc0 [ 227.746192] ? find_get_pages_range_tag+0x1320/0x1320 [ 227.751389] ? print_usage_bug+0xc0/0xc0 [ 227.755456] ? __lock_acquire+0x7ec/0x4ec0 [ 227.759693] ? graph_lock+0x170/0x170 [ 227.763499] ? __sigqueue_free.part.27+0x7d/0xa0 [ 227.768265] ? __lock_acquire+0x7ec/0x4ec0 [ 227.772517] ? lock_acquire+0x1ed/0x520 [ 227.776496] ? ext4_filemap_fault+0x7a/0xad [ 227.780825] ? lock_release+0x970/0x970 [ 227.784809] ? arch_local_save_flags+0x40/0x40 [ 227.789414] ? mark_held_locks+0x130/0x130 [ 227.793680] ? down_read+0xb0/0x1d0 [ 227.797324] ? ext4_filemap_fault+0x7a/0xad [ 227.801668] ? __down_interruptible+0x700/0x700 [ 227.806364] ? graph_lock+0x170/0x170 [ 227.810174] ? __sigqueue_free.part.27+0x7d/0xa0 [ 227.814968] ext4_filemap_fault+0x82/0xad [ 227.819125] __do_fault+0x100/0x6b0 [ 227.822764] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.828051] ? print_bad_pte+0x6c0/0x6c0 [ 227.832341] ? pmd_val+0x88/0x100 [ 227.835808] ? add_mm_counter_fast+0xd0/0xd0 [ 227.840220] ? pmd_val+0x88/0x100 [ 227.843679] ? add_mm_counter_fast+0xd0/0xd0 [ 227.848095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.853641] __handle_mm_fault+0x3709/0x53e0 [ 227.858063] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 227.862911] ? graph_lock+0x170/0x170 [ 227.866716] ? print_usage_bug+0xc0/0xc0 [ 227.870785] ? graph_lock+0x170/0x170 [ 227.874584] ? graph_lock+0x170/0x170 [ 227.878407] ? handle_mm_fault+0x42a/0xc70 [ 227.882644] ? lock_downgrade+0x900/0x900 [ 227.886797] ? check_preemption_disabled+0x48/0x200 [ 227.891824] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.897620] ? kasan_check_read+0x11/0x20 [ 227.901772] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.907142] ? rcu_bh_qs+0xc0/0xc0 [ 227.910686] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.916144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.921680] ? check_preemption_disabled+0x48/0x200 [ 227.926712] handle_mm_fault+0x54f/0xc70 [ 227.930787] ? __handle_mm_fault+0x53e0/0x53e0 [ 227.935380] ? find_vma+0x34/0x190 [ 227.938927] __do_page_fault+0x67d/0xed0 [ 227.943005] ? mm_fault_error+0x380/0x380 [ 227.947165] ? syscall_slow_exit_work+0x520/0x520 [ 227.952018] do_page_fault+0xf2/0x7e0 [ 227.955826] ? vmalloc_sync_all+0x30/0x30 [ 227.959993] ? error_entry+0x70/0xd0 [ 227.964207] ? trace_hardirqs_off_caller+0xbb/0x300 [ 227.969223] ? trace_hardirqs_on_caller+0xc0/0x300 [ 227.974158] ? syscall_return_slowpath+0x5e0/0x5e0 [ 227.979090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.983946] ? trace_hardirqs_off+0x300/0x300 [ 227.988468] ? trace_hardirqs_off_caller+0x300/0x300 [ 227.993579] ? prepare_exit_to_usermode+0x291/0x3b0 [ 227.998598] ? page_fault+0x8/0x30 [ 228.002148] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.007000] ? page_fault+0x8/0x30 [ 228.010542] page_fault+0x1e/0x30 [ 228.013995] RIP: 0033:0x45db60 [ 228.017191] Code: Bad RIP value. [ 228.020556] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 228.025918] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 228.033185] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 228.040454] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 228.047722] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 228.055000] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 228.062339] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 228.062345] warn_alloc_show_mem: 1 callbacks suppressed [ 228.062353] Mem-Info: [ 228.069532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 228.069541] Call Trace: [ 228.074911] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 228.074911] active_file:15 inactive_file:16 isolated_file:2 [ 228.074911] unevictable:0 dirty:0 writeback:0 unstable:0 [ 228.074911] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 228.074911] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 228.074911] free:13788 free_pcp:262 free_cma:0 [ 228.077286] [ 228.086646] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 228.089229] dump_stack+0x1c4/0x2b4 [ 228.122101] Node 0 [ 228.124262] ? dump_stack_print_info.cold.2+0x52/0x52 [ 228.151949] 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 [ 228.155563] warn_alloc.cold.118+0xb7/0x1bd [ 228.157764] lowmem_reserve[]: [ 228.162951] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 228.188434] 0 [ 228.192748] ? lock_downgrade+0x900/0x900 [ 228.195848] 2815 [ 228.200690] ? trace_hardirqs_off+0xb8/0x300 [ 228.202462] 6318 [ 228.206608] ? trace_hardirqs_off+0xb8/0x300 [ 228.208643] 6318 [ 228.213046] __alloc_pages_slowpath+0x2667/0x2d80 [ 228.219504] ? warn_alloc+0x120/0x120 [ 228.221523] Node 0 [ 228.226357] ? trace_hardirqs_on+0x310/0x310 [ 228.230158] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 228.232365] ? warn_alloc+0x120/0x120 [ 228.236748] lowmem_reserve[]: [ 228.263719] ? print_usage_bug+0xc0/0xc0 [ 228.267493] 0 [ 228.270593] ? warn_alloc+0x120/0x120 [ 228.274628] 0 [ 228.276427] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 228.280197] 3503 [ 228.282005] ? print_usage_bug+0xc0/0xc0 [ 228.286996] 3503 [ 228.289053] ? __lock_acquire+0x7ec/0x4ec0 [ 228.293093] Node 0 [ 228.295148] ? __lock_acquire+0x7ec/0x4ec0 [ 228.299392] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 228.301601] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.305809] lowmem_reserve[]: [ 228.334174] ? should_fail+0x22d/0xd01 [ 228.339683] 0 [ 228.342786] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.346639] 0 0 [ 228.348448] ? __lock_acquire+0x7ec/0x4ec0 [ 228.353522] 0 [ 228.355501] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.361500] ? __lock_acquire+0x7ec/0x4ec0 [ 228.366575] Node 0 [ 228.370801] ? should_fail+0x22d/0xd01 [ 228.370811] DMA: [ 228.373042] ? print_usage_bug+0xc0/0xc0 [ 228.376907] 1*4kB [ 228.378975] ? mark_held_locks+0x130/0x130 [ 228.383004] (U) [ 228.385151] ? mark_held_locks+0x130/0x130 [ 228.389362] 0*8kB [ 228.391342] ? graph_lock+0x170/0x170 [ 228.395544] 0*16kB 1*32kB [ 228.397697] ? print_usage_bug+0xc0/0xc0 [ 228.401473] (U) [ 228.404316] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 228.408357] 2*64kB [ 228.410330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.415055] (U) [ 228.417290] ? check_preemption_disabled+0x48/0x200 [ 228.422798] 1*128kB (U) [ 228.424776] ? check_preemption_disabled+0x48/0x200 [ 228.429765] 1*256kB (U) [ 228.432448] ? __lock_is_held+0xb5/0x140 [ 228.437429] 0*512kB [ 228.440099] __alloc_pages_nodemask+0xa80/0xde0 [ 228.444132] 1*1024kB [ 228.446448] ? graph_lock+0x170/0x170 [ 228.451094] (U) [ 228.453499] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 228.457275] 1*2048kB [ 228.459247] ? graph_lock+0x170/0x170 [ 228.464232] (M) [ 228.466643] ? find_held_lock+0x36/0x1c0 [ 228.470416] 3*4096kB [ 228.472390] ? ____cache_alloc_node+0x1c7/0x1e0 [ 228.476418] (M) [ 228.478823] ? lock_downgrade+0x900/0x900 [ 228.483463] = 15908kB [ 228.483471] Node 0 [ 228.485447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.489563] DMA32: [ 228.491975] cache_grow_begin+0x91/0x8c0 [ 228.494185] 3*4kB [ 228.499717] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.501927] (M) [ 228.505989] fallback_alloc+0x203/0x2e0 [ 228.508112] 2*8kB [ 228.512513] ____cache_alloc_node+0x1c7/0x1e0 [ 228.514464] (M) [ 228.518435] kmem_cache_alloc_node+0xe3/0x730 [ 228.520563] 1*16kB [ 228.525052] ? ipv6_get_ifaddr+0x42e/0x620 [ 228.527002] (M) [ 228.531502] __alloc_skb+0x119/0x770 [ 228.533711] 1*32kB [ 228.537943] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 228.539889] (M) [ 228.543593] ? skb_scrub_packet+0x490/0x490 [ 228.545804] 3*64kB (UM) [ 228.551087] ? lock_downgrade+0x900/0x900 [ 228.553037] 3*128kB [ 228.557359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.559994] (M) 2*256kB [ 228.564148] ? refcount_sub_and_test_checked+0x203/0x310 [ 228.566449] (M) [ 228.571985] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 228.574631] 3*512kB [ 228.580077] ? addrconf_rs_timer+0x6f0/0x6f0 [ 228.582085] (M) [ 228.587539] ndisc_alloc_skb+0x144/0x340 [ 228.589830] 4*1024kB [ 228.594233] ndisc_send_rs+0x331/0x6e0 [ 228.596187] (UM) [ 228.600252] addrconf_rs_timer+0x3c0/0x6f0 [ 228.602633] 3*2048kB [ 228.606514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.608548] (UM) [ 228.612789] call_timer_fn+0x272/0x920 [ 228.615164] 3*4096kB [ 228.619390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.621429] (M) [ 228.625309] ? process_timeout+0x40/0x40 [ 228.627694] = 25228kB [ 228.631919] ? find_held_lock+0x36/0x1c0 [ 228.633876] Node 0 [ 228.637934] ? __run_timers+0x7da/0xc70 [ 228.640319] Normal: [ 228.644386] ? _raw_spin_unlock_irq+0x27/0x80 [ 228.646592] 866*4kB [ 228.650555] ? _raw_spin_unlock_irq+0x27/0x80 [ 228.652856] (ME) [ 228.657346] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.659655] 469*8kB [ 228.664144] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 228.666180] (UME) [ 228.670412] ? trace_hardirqs_on+0xbd/0x310 [ 228.672710] 197*16kB [ 228.677283] ? kasan_check_read+0x11/0x20 [ 228.679412] (UME) [ 228.683728] ? __run_timers+0x7da/0xc70 [ 228.686119] 59*32kB [ 228.690258] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 228.692379] (UME) [ 228.696350] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.698645] 18*64kB (ME) [ 228.704098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.706227] 3*128kB [ 228.710459] __run_timers+0x7e5/0xc70 [ 228.713191] (M) [ 228.717426] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 228.719718] 1*256kB [ 228.723514] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 228.725463] (U) [ 228.730819] ? graph_lock+0x170/0x170 [ 228.733117] 0*512kB [ 228.738123] ? enqueue_hrtimer+0x1a5/0x560 [ 228.740078] 0*1024kB [ 228.743871] ? lock_release+0x970/0x970 [ 228.746169] 0*2048kB [ 228.750396] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 228.752784] 0*4096kB [ 228.756752] ? find_held_lock+0x36/0x1c0 [ 228.759146] = 14048kB [ 228.764330] ? graph_lock+0x170/0x170 [ 228.766725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 228.770778] ? pvclock_read_flags+0x160/0x160 [ 228.773167] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 228.776955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.785784] 412 total pagecache pages [ 228.790280] ? check_preemption_disabled+0x48/0x200 [ 228.798837] 0 pages in swap cache [ 228.804363] ? __lock_is_held+0xb5/0x140 [ 228.808139] Swap cache stats: add 0, delete 0, find 0/0 [ 228.813144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.816567] Free swap = 0kB [ 228.816576] Total swap = 0kB [ 228.820627] ? check_preemption_disabled+0x48/0x200 [ 228.825974] 1965979 pages RAM [ 228.831512] run_timer_softirq+0x52/0xb0 [ 228.834495] 0 pages HighMem/MovableOnly [ 228.834504] 343323 pages reserved [ 228.837520] ? rcu_read_lock_sched_held+0x108/0x120 [ 228.842509] 0 pages cma reserved [ 228.845611] __do_softirq+0x30b/0xad8 [ 228.849716] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 228.853617] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 228.857136] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 228.862052] ? pvclock_read_flags+0x160/0x160 [ 228.865395] syz-fuzzer cpuset= [ 228.869190] ? lapic_next_event+0x5a/0x90 [ 228.875654] / [ 228.880752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.890965] mems_allowed=0 [ 228.895449] ? check_preemption_disabled+0x48/0x200 [ 228.917899] ? check_preemption_disabled+0x48/0x200 [ 228.922922] ? kvm_clock_read+0x18/0x30 [ 228.926906] ? kvm_sched_clock_read+0x9/0x20 [ 228.931324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.936865] ? check_preemption_disabled+0x48/0x200 [ 228.941897] irq_exit+0x17f/0x1c0 [ 228.945363] smp_apic_timer_interrupt+0x1cb/0x760 [ 228.950209] ? smp_reschedule_interrupt+0x109/0x650 [ 228.955238] ? smp_call_function_single_interrupt+0x650/0x650 [ 228.961128] ? interrupt_entry+0xb5/0xf0 [ 228.965193] ? trace_hardirqs_off_caller+0xbb/0x300 [ 228.970210] ? trace_hardirqs_off_caller+0xbb/0x300 [ 228.975236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.980088] ? trace_hardirqs_off+0x300/0x300 [ 228.984584] ? trace_hardirqs_off+0x300/0x300 [ 228.989787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.995324] ? check_preemption_disabled+0x48/0x200 [ 229.000339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.005887] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.010740] apic_timer_interrupt+0xf/0x20 [ 229.014978] [ 229.017220] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 229.022160] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 229.041065] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 229.048781] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 229.056050] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 229.063319] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 229.070586] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 229.077855] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 229.085168] skb_clone+0x1bb/0x500 [ 229.088712] ? skb_split+0x11e0/0x11e0 [ 229.092622] ? dev_forward_skb+0x4c/0x60 [ 229.096690] ? __bpf_redirect+0x54b/0xb20 [ 229.100846] ? __switch_to_asm+0x34/0x70 [ 229.104917] bpf_clone_redirect+0xb9/0x490 [ 229.109164] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 229.114188] ? __sched_text_start+0x8/0x8 [ 229.118342] ? lockdep_hardirqs_on+0x421/0x5c0 [ 229.122929] ? retint_kernel+0x2d/0x2d [ 229.126830] ? trace_hardirqs_on_caller+0xc0/0x300 [ 229.131770] ? find_held_lock+0x36/0x1c0 [ 229.135838] ? lock_acquire+0x1ed/0x520 [ 229.139814] ? bpf_test_run+0x32e/0x5a0 [ 229.143792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.149331] ? check_preemption_disabled+0x48/0x200 [ 229.154353] ? kasan_check_read+0x11/0x20 [ 229.158510] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.163789] ? rcu_bh_qs+0xc0/0xc0 [ 229.167335] ? preempt_schedule+0x4d/0x60 [ 229.171490] ? ___preempt_schedule+0x16/0x18 [ 229.175911] ? bpf_test_run+0x1c0/0x5a0 [ 229.179899] ? netlink_diag_dump+0x2a0/0x2a0 [ 229.184313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.189852] ? bpf_test_init.isra.9+0x70/0x100 [ 229.194438] ? bpf_prog_test_run_skb+0x634/0xb40 [ 229.199204] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 229.204047] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 229.209589] ? fput+0x130/0x1a0 [ 229.212877] ? __bpf_prog_get+0x9b/0x290 [ 229.216943] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 229.221798] ? bpf_prog_test_run+0x130/0x1a0 [ 229.226214] ? __x64_sys_bpf+0x3d8/0x510 [ 229.230280] ? bpf_prog_get+0x20/0x20 [ 229.234091] ? ksys_ioctl+0x81/0xd0 [ 229.237744] ? do_syscall_64+0x1b9/0x820 [ 229.241811] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 229.247177] ? syscall_return_slowpath+0x5e0/0x5e0 [ 229.252119] ? trace_hardirqs_off+0x300/0x300 [ 229.256616] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 229.261636] ? recalc_sigpending_tsk+0x180/0x180 [ 229.266392] ? kasan_check_write+0x14/0x20 [ 229.270639] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.275497] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.280883] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 229.280981] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 229.287810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.287815] Call Trace: [ 229.287823] [ 229.287840] dump_stack+0x1c4/0x2b4 [ 229.287857] ? dump_stack_print_info.cold.2+0x52/0x52 [ 229.294391] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 229.303687] warn_alloc.cold.118+0xb7/0x1bd [ 229.306247] syz-executor0 cpuset= [ 229.308389] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 229.311989] syz0 [ 229.317175] ? lock_downgrade+0x900/0x900 [ 229.327636] mems_allowed=0 [ 229.331963] ? trace_hardirqs_off+0xb8/0x300 [ 229.353640] ? trace_hardirqs_off+0xb8/0x300 [ 229.358060] __alloc_pages_slowpath+0x2667/0x2d80 [ 229.362942] ? warn_alloc+0x120/0x120 [ 229.366763] ? trace_hardirqs_on+0x310/0x310 [ 229.371174] ? warn_alloc+0x120/0x120 [ 229.374990] ? print_usage_bug+0xc0/0xc0 [ 229.379057] ? warn_alloc+0x120/0x120 [ 229.382861] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 229.387882] ? print_usage_bug+0xc0/0xc0 [ 229.391947] ? __lock_acquire+0x7ec/0x4ec0 [ 229.396194] ? __lock_acquire+0x7ec/0x4ec0 [ 229.400431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.405984] ? should_fail+0x22d/0xd01 [ 229.409880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.415001] ? __lock_acquire+0x7ec/0x4ec0 [ 229.419243] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.424345] ? __lock_acquire+0x7ec/0x4ec0 [ 229.428583] ? should_fail+0x22d/0xd01 [ 229.432469] ? print_usage_bug+0xc0/0xc0 [ 229.436541] ? mark_held_locks+0x130/0x130 [ 229.440787] ? mark_held_locks+0x130/0x130 [ 229.445036] ? graph_lock+0x170/0x170 [ 229.448841] ? print_usage_bug+0xc0/0xc0 [ 229.452907] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 229.457669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.463210] ? check_preemption_disabled+0x48/0x200 [ 229.468228] ? check_preemption_disabled+0x48/0x200 [ 229.473258] ? __lock_is_held+0xb5/0x140 [ 229.477333] __alloc_pages_nodemask+0xa80/0xde0 [ 229.482008] ? graph_lock+0x170/0x170 [ 229.485816] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 229.490830] ? graph_lock+0x170/0x170 [ 229.494646] ? find_held_lock+0x36/0x1c0 [ 229.498725] ? ____cache_alloc_node+0x1c7/0x1e0 [ 229.503404] ? lock_downgrade+0x900/0x900 [ 229.507582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.513125] cache_grow_begin+0x91/0x8c0 [ 229.517191] ? do_raw_spin_unlock+0xa7/0x2f0 [ 229.521614] fallback_alloc+0x203/0x2e0 [ 229.525597] ____cache_alloc_node+0x1c7/0x1e0 [ 229.530103] kmem_cache_alloc_node+0xe3/0x730 [ 229.534601] ? ipv6_get_ifaddr+0x42e/0x620 [ 229.538848] __alloc_skb+0x119/0x770 [ 229.542567] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.547852] ? skb_scrub_packet+0x490/0x490 [ 229.552190] ? lock_downgrade+0x900/0x900 [ 229.556354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.561913] ? refcount_sub_and_test_checked+0x203/0x310 [ 229.567369] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 229.572831] ? addrconf_rs_timer+0x6f0/0x6f0 [ 229.577255] ndisc_alloc_skb+0x144/0x340 [ 229.581331] ndisc_send_rs+0x331/0x6e0 [ 229.585228] addrconf_rs_timer+0x3c0/0x6f0 [ 229.589510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.593784] call_timer_fn+0x272/0x920 [ 229.597674] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.601917] ? process_timeout+0x40/0x40 [ 229.605987] ? find_held_lock+0x36/0x1c0 [ 229.610066] ? mark_held_locks+0xc7/0x130 [ 229.614222] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.618721] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.623225] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.627467] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 229.632054] ? trace_hardirqs_on+0xbd/0x310 [ 229.636377] ? kasan_check_read+0x11/0x20 [ 229.640531] ? __run_timers+0x7da/0xc70 [ 229.644514] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.649986] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.654237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.658497] __run_timers+0x7e5/0xc70 [ 229.662315] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 229.667686] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 229.672706] ? graph_lock+0x170/0x170 [ 229.676519] ? print_usage_bug+0xc0/0xc0 [ 229.680582] ? lock_release+0x970/0x970 [ 229.684562] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 229.689769] ? find_held_lock+0x36/0x1c0 [ 229.693837] ? graph_lock+0x170/0x170 [ 229.697647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.703196] ? check_preemption_disabled+0x48/0x200 [ 229.708236] ? __lock_is_held+0xb5/0x140 [ 229.712309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.717858] ? check_preemption_disabled+0x48/0x200 [ 229.722887] run_timer_softirq+0x52/0xb0 [ 229.726951] ? rcu_read_lock_sched_held+0x108/0x120 [ 229.731996] __do_softirq+0x30b/0xad8 [ 229.735813] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 229.740931] ? pvclock_read_flags+0x160/0x160 [ 229.745441] ? lapic_next_event+0x5a/0x90 [ 229.749595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.755143] ? check_preemption_disabled+0x48/0x200 [ 229.760167] ? check_preemption_disabled+0x48/0x200 [ 229.765202] ? kvm_clock_read+0x18/0x30 [ 229.769183] ? kvm_sched_clock_read+0x9/0x20 [ 229.773604] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.779152] ? check_preemption_disabled+0x48/0x200 [ 229.784193] irq_exit+0x17f/0x1c0 [ 229.787657] smp_apic_timer_interrupt+0x1cb/0x760 [ 229.792510] ? smp_call_function_single_interrupt+0x650/0x650 [ 229.798403] ? interrupt_entry+0xb5/0xf0 [ 229.802477] ? trace_hardirqs_off_caller+0xbb/0x300 [ 229.807508] ? trace_hardirqs_off_caller+0xbb/0x300 [ 229.812540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.817391] ? trace_hardirqs_off+0x300/0x300 [ 229.821888] ? trace_hardirqs_off+0x300/0x300 [ 229.826394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.832165] ? check_preemption_disabled+0x48/0x200 [ 229.837189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.842750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.847614] apic_timer_interrupt+0xf/0x20 [ 229.851850] [ 229.854100] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 229.859473] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 229.878391] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 229.886125] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 229.893400] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 229.900671] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 229.907977] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 229.915255] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 229.922560] ? page_evictable+0x35d/0x540 [ 229.926726] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 229.932276] page_evictable+0x36b/0x540 [ 229.936257] ? kswapd_stop+0x100/0x100 [ 229.940157] ? ___might_sleep+0x1ed/0x300 [ 229.944311] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.949780] ? arch_local_save_flags+0x40/0x40 [ 229.954377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.959918] ? check_preemption_disabled+0x48/0x200 [ 229.965423] shrink_active_list+0x845/0x1c20 [ 229.969855] ? free_unref_page_list+0xc0f/0x11e0 [ 229.974630] ? shrink_inactive_list+0x1c60/0x1c60 [ 229.979495] ? graph_lock+0x170/0x170 [ 229.983305] ? __page_frag_cache_drain+0x200/0x200 [ 229.988244] ? print_usage_bug+0xc0/0xc0 [ 229.992327] ? find_held_lock+0x36/0x1c0 [ 229.996396] ? graph_lock+0x170/0x170 [ 230.000211] ? mark_held_locks+0xc7/0x130 [ 230.004367] ? check_preemption_disabled+0x48/0x200 [ 230.009384] ? check_preemption_disabled+0x48/0x200 [ 230.014500] ? graph_lock+0x170/0x170 [ 230.018305] ? __lock_is_held+0xb5/0x140 [ 230.022374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.027918] ? check_preemption_disabled+0x48/0x200 [ 230.032950] ? __lock_is_held+0xb5/0x140 [ 230.037037] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 230.042059] ? inactive_list_is_low+0x305/0x880 [ 230.046739] ? lruvec_lru_size+0x450/0x450 [ 230.050993] ? kasan_check_read+0x11/0x20 [ 230.055157] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 230.060102] shrink_node_memcg+0x803/0x18e0 [ 230.064448] ? shrink_active_list+0x1c20/0x1c20 [ 230.069127] ? lockdep_hardirqs_on+0x421/0x5c0 [ 230.073715] ? trace_hardirqs_on+0xbd/0x310 [ 230.078050] ? vmpressure+0x294/0x310 [ 230.081853] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.087332] shrink_node+0x3bc/0x16b0 [ 230.091141] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 230.096451] ? shrink_node_memcg+0x18e0/0x18e0 [ 230.101040] ? lockdep_hardirqs_on+0x421/0x5c0 [ 230.105634] ? trace_hardirqs_on+0xbd/0x310 [ 230.109969] ? vmpressure+0x294/0x310 [ 230.113785] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.118201] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 230.122798] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 230.128339] ? __cpuset_node_allowed+0x19b/0x660 [ 230.133099] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 230.138815] ? vmpressure+0x1c9/0x310 [ 230.142633] do_try_to_free_pages+0x3e7/0x1290 [ 230.147237] ? shrink_node+0x16b0/0x16b0 [ 230.151308] ? __lock_is_held+0xb5/0x140 [ 230.155385] try_to_free_pages+0x4d0/0xb90 [ 230.159628] ? do_try_to_free_pages+0x1290/0x1290 [ 230.164476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.170030] ? lock_acquire+0x1ed/0x520 [ 230.174006] ? set_page_refcounted+0x280/0x280 [ 230.178598] ? lock_release+0x970/0x970 [ 230.182587] ? ___might_sleep+0x1ed/0x300 [ 230.186739] ? arch_local_save_flags+0x40/0x40 [ 230.191331] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 230.196352] ? __radix_tree_lookup+0x358/0x4c0 [ 230.200944] __alloc_pages_slowpath+0x993/0x2d80 [ 230.205736] ? kasan_check_read+0x11/0x20 [ 230.209899] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.215887] ? warn_alloc+0x120/0x120 [ 230.219689] ? __radix_tree_lookup+0x4c0/0x4c0 [ 230.224290] ? find_get_entry+0x2f2/0xc40 [ 230.228457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.234008] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 230.238943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.244493] ? should_fail+0x22d/0xd01 [ 230.248389] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.253497] ? __lock_is_held+0xb5/0x140 [ 230.257559] ? graph_lock+0x170/0x170 [ 230.261367] ? graph_lock+0x170/0x170 [ 230.265189] ? __lock_is_held+0xb5/0x140 [ 230.269262] ? __lock_acquire+0x7ec/0x4ec0 [ 230.273506] ? ___might_sleep+0x1ed/0x300 [ 230.277654] ? lock_release+0x970/0x970 [ 230.281633] ? arch_local_save_flags+0x40/0x40 [ 230.286229] ? __might_sleep+0x95/0x190 [ 230.290215] __alloc_pages_nodemask+0xa80/0xde0 [ 230.294896] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 230.299925] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 230.305738] ? kasan_check_read+0x11/0x20 [ 230.309901] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.315185] ? graph_lock+0x170/0x170 [ 230.318992] ? print_usage_bug+0xc0/0xc0 [ 230.323059] ? graph_lock+0x170/0x170 [ 230.326859] ? graph_lock+0x170/0x170 [ 230.330661] ? __do_page_cache_readahead+0x7ce/0x980 [ 230.335777] ? find_held_lock+0x36/0x1c0 [ 230.339847] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 230.345396] alloc_pages_current+0x10c/0x210 [ 230.349807] ? lock_downgrade+0x900/0x900 [ 230.353970] __page_cache_alloc+0x38f/0x5b0 [ 230.358303] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 230.364102] ? kasan_check_read+0x11/0x20 [ 230.368256] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.373541] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 230.378217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.383762] ? check_preemption_disabled+0x48/0x200 [ 230.388788] filemap_fault+0x1594/0x25f0 [ 230.392867] ? __lock_page_or_retry+0xa00/0xa00 [ 230.397538] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 230.403335] ? kasan_check_read+0x11/0x20 [ 230.407489] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.412773] ? rcu_bh_qs+0xc0/0xc0 [ 230.416326] ? print_usage_bug+0xc0/0xc0 [ 230.420400] ? filemap_map_pages+0xdea/0x1980 [ 230.424907] ? print_usage_bug+0xc0/0xc0 [ 230.428985] ? find_get_pages_range_tag+0x1320/0x1320 [ 230.434178] ? print_usage_bug+0xc0/0xc0 [ 230.438239] ? __lock_acquire+0x7ec/0x4ec0 [ 230.442476] ? graph_lock+0x170/0x170 [ 230.446285] ? __sigqueue_free.part.27+0x7d/0xa0 [ 230.451048] ? __lock_acquire+0x7ec/0x4ec0 [ 230.455298] ? lock_acquire+0x1ed/0x520 [ 230.459276] ? ext4_filemap_fault+0x7a/0xad [ 230.463606] ? lock_release+0x970/0x970 [ 230.467586] ? arch_local_save_flags+0x40/0x40 [ 230.472171] ? mark_held_locks+0x130/0x130 [ 230.476422] ? down_read+0xb0/0x1d0 [ 230.480049] ? ext4_filemap_fault+0x7a/0xad [ 230.484373] ? __down_interruptible+0x700/0x700 [ 230.489048] ? graph_lock+0x170/0x170 [ 230.492857] ? __sigqueue_free.part.27+0x7d/0xa0 [ 230.497634] ext4_filemap_fault+0x82/0xad [ 230.501798] __do_fault+0x100/0x6b0 [ 230.505437] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.510726] ? print_bad_pte+0x6c0/0x6c0 [ 230.514807] ? pmd_val+0x88/0x100 [ 230.518266] ? add_mm_counter_fast+0xd0/0xd0 [ 230.522677] ? pmd_val+0x88/0x100 [ 230.526136] ? add_mm_counter_fast+0xd0/0xd0 [ 230.530558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.536106] __handle_mm_fault+0x3709/0x53e0 [ 230.540531] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 230.545379] ? graph_lock+0x170/0x170 [ 230.549183] ? print_usage_bug+0xc0/0xc0 [ 230.553250] ? graph_lock+0x170/0x170 [ 230.557057] ? graph_lock+0x170/0x170 [ 230.560885] ? handle_mm_fault+0x42a/0xc70 [ 230.565123] ? lock_downgrade+0x900/0x900 [ 230.569273] ? check_preemption_disabled+0x48/0x200 [ 230.574301] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 230.580101] ? kasan_check_read+0x11/0x20 [ 230.584256] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.589540] ? rcu_bh_qs+0xc0/0xc0 [ 230.593083] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.598539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.604109] ? check_preemption_disabled+0x48/0x200 [ 230.609140] handle_mm_fault+0x54f/0xc70 [ 230.613209] ? __handle_mm_fault+0x53e0/0x53e0 [ 230.617799] ? find_vma+0x34/0x190 [ 230.621350] __do_page_fault+0x67d/0xed0 [ 230.625433] ? mm_fault_error+0x380/0x380 [ 230.629596] ? syscall_slow_exit_work+0x520/0x520 [ 230.634451] do_page_fault+0xf2/0x7e0 [ 230.638256] ? vmalloc_sync_all+0x30/0x30 [ 230.642411] ? error_entry+0x70/0xd0 [ 230.646131] ? trace_hardirqs_off_caller+0xbb/0x300 [ 230.651148] ? trace_hardirqs_on_caller+0xc0/0x300 [ 230.656081] ? syscall_return_slowpath+0x5e0/0x5e0 [ 230.661017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.665866] ? trace_hardirqs_off+0x300/0x300 [ 230.670363] ? trace_hardirqs_off_caller+0x300/0x300 [ 230.675647] ? prepare_exit_to_usermode+0x291/0x3b0 [ 230.680671] ? page_fault+0x8/0x30 [ 230.684220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.689073] ? page_fault+0x8/0x30 [ 230.692619] page_fault+0x1e/0x30 [ 230.696078] RIP: 0033:0x45db60 [ 230.699281] Code: Bad RIP value. [ 230.702644] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 230.708012] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 230.715279] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 230.722552] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 230.729819] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 230.737091] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 230.744399] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 230.744405] warn_alloc_show_mem: 1 callbacks suppressed [ 230.744412] Mem-Info: [ 230.751603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.756999] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 230.756999] active_file:15 inactive_file:16 isolated_file:2 [ 230.756999] unevictable:0 dirty:0 writeback:0 unstable:0 [ 230.756999] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 230.756999] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 230.756999] free:13788 free_pcp:262 free_cma:0 [ 230.759374] Call Trace: [ 230.768771] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 230.801631] [ 230.804207] Node 0 [ 230.831897] dump_stack+0x1c4/0x2b4 [ 230.834044] 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 [ 230.836255] ? dump_stack_print_info.cold.2+0x52/0x52 [ 230.839849] lowmem_reserve[]: [ 230.865373] warn_alloc.cold.118+0xb7/0x1bd [ 230.870530] 0 [ 230.873634] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 230.877930] 2815 [ 230.879731] ? lock_downgrade+0x900/0x900 [ 230.884545] 6318 6318 [ 230.886614] ? trace_hardirqs_off+0xb8/0x300 [ 230.890730] Node 0 [ 230.893225] ? trace_hardirqs_off+0xb8/0x300 [ 230.897631] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 230.899844] __alloc_pages_slowpath+0x2667/0x2d80 [ 230.904216] lowmem_reserve[]: 0 [ 230.931260] ? warn_alloc+0x120/0x120 [ 230.936057] 0 3503 [ 230.939341] ? warn_alloc+0x120/0x120 [ 230.943118] 3503 [ 230.945361] ? print_usage_bug+0xc0/0xc0 [ 230.951187] ? warn_alloc+0x120/0x120 [ 230.955224] Node 0 [ 230.959022] ? print_usage_bug+0xc0/0xc0 [ 230.959054] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 230.959061] lowmem_reserve[]: [ 230.961292] ? __lock_acquire+0x7ec/0x4ec0 [ 230.965320] 0 0 [ 230.993705] ? __lock_acquire+0x7ec/0x4ec0 [ 230.996785] 0 [ 231.001030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.002987] 0 [ 231.007218] ? should_fail+0x22d/0xd01 [ 231.008994] Node 0 [ 231.014534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.016305] DMA: [ 231.020190] ? __lock_acquire+0x7ec/0x4ec0 [ 231.022399] 1*4kB [ 231.027582] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.029623] (U) [ 231.033854] ? __lock_acquire+0x7ec/0x4ec0 [ 231.035987] 0*8kB [ 231.041081] ? should_fail+0x22d/0xd01 [ 231.043032] 0*16kB [ 231.047270] ? mark_held_locks+0x130/0x130 [ 231.049386] 1*32kB [ 231.053268] ? mark_held_locks+0x130/0x130 [ 231.055481] (U) [ 231.059706] ? graph_lock+0x170/0x170 [ 231.061913] 2*64kB (U) [ 231.066149] ? graph_lock+0x170/0x170 [ 231.068103] 1*128kB [ 231.071895] ? graph_lock+0x170/0x170 [ 231.074454] (U) [ 231.078256] ? print_usage_bug+0xc0/0xc0 [ 231.080577] 1*256kB [ 231.084374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.086315] (U) 0*512kB [ 231.090379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.092679] 1*1024kB [ 231.098209] ? check_preemption_disabled+0x48/0x200 [ 231.100856] (U) [ 231.106392] ? check_preemption_disabled+0x48/0x200 [ 231.108779] 1*2048kB [ 231.113795] ? __lock_is_held+0xb5/0x140 [ 231.115747] (M) [ 231.120760] __alloc_pages_nodemask+0xa80/0xde0 [ 231.123138] 3*4096kB (M) [ 231.127198] ? graph_lock+0x170/0x170 [ 231.129155] = 15908kB [ 231.133814] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 231.136578] Node 0 [ 231.140370] ? graph_lock+0x170/0x170 [ 231.142763] DMA32: [ 231.147798] ? find_held_lock+0x36/0x1c0 [ 231.150005] 3*4kB [ 231.153806] ? ____cache_alloc_node+0x1c7/0x1e0 [ 231.156014] (M) [ 231.160069] ? lock_downgrade+0x900/0x900 [ 231.162190] 2*8kB (M) [ 231.166864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.168815] 1*16kB [ 231.173006] cache_grow_begin+0x91/0x8c0 [ 231.175471] (M) 1*32kB [ 231.181010] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.183220] (M) [ 231.187282] fallback_alloc+0x203/0x2e0 [ 231.189840] 3*64kB [ 231.194254] ____cache_alloc_node+0x1c7/0x1e0 [ 231.196196] (UM) [ 231.200163] kmem_cache_alloc_node+0xe3/0x730 [ 231.202376] 3*128kB [ 231.206883] ? ipv6_get_ifaddr+0x42e/0x620 [ 231.208922] (M) [ 231.213431] __alloc_skb+0x119/0x770 [ 231.215724] 2*256kB [ 231.219969] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.221917] (M) [ 231.225624] ? skb_scrub_packet+0x490/0x490 [ 231.227926] 3*512kB [ 231.233197] ? lock_downgrade+0x900/0x900 [ 231.235146] (M) [ 231.239469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.241772] 4*1024kB [ 231.245915] ? refcount_sub_and_test_checked+0x203/0x310 [ 231.247866] (UM) [ 231.253395] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 231.255779] 3*2048kB [ 231.261222] ? addrconf_rs_timer+0x6f0/0x6f0 [ 231.263261] (UM) [ 231.268713] ndisc_alloc_skb+0x144/0x340 [ 231.271083] 3*4096kB (M) [ 231.275497] ndisc_send_rs+0x331/0x6e0 [ 231.277537] = 25228kB [ 231.281591] addrconf_rs_timer+0x3c0/0x6f0 [ 231.284323] Node 0 [ 231.288203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.290588] Normal: [ 231.294827] call_timer_fn+0x272/0x920 [ 231.297032] 866*4kB [ 231.301259] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.303565] (ME) [ 231.307449] ? process_timeout+0x40/0x40 [ 231.309749] 469*8kB [ 231.313981] ? find_held_lock+0x36/0x1c0 [ 231.316058] (UME) [ 231.320117] ? __run_timers+0x7da/0xc70 [ 231.322416] 197*16kB [ 231.326477] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.328601] (UME) [ 231.332567] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.334992] 59*32kB [ 231.339497] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.341622] (UME) [ 231.346129] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 231.348423] 18*64kB [ 231.352649] ? trace_hardirqs_on+0xbd/0x310 [ 231.354772] (ME) [ 231.359365] ? kasan_check_read+0x11/0x20 [ 231.361658] 3*128kB (M) [ 231.365991] ? __run_timers+0x7da/0xc70 [ 231.368024] 1*256kB (U) [ 231.372181] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.374828] 0*512kB [ 231.378805] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.381445] 0*1024kB [ 231.386891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.389185] 0*2048kB [ 231.393420] __run_timers+0x7e5/0xc70 [ 231.395802] 0*4096kB [ 231.400047] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 231.402423] = 14048kB [ 231.406220] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 231.408610] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 231.413977] ? graph_lock+0x170/0x170 [ 231.416373] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 231.421374] ? enqueue_hrtimer+0x1a5/0x560 [ 231.430187] 412 total pagecache pages [ 231.433990] ? lock_release+0x970/0x970 [ 231.442573] 0 pages in swap cache [ 231.446808] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 231.450578] Swap cache stats: add 0, delete 0, find 0/0 [ 231.454545] ? find_held_lock+0x36/0x1c0 [ 231.457975] Free swap = 0kB [ 231.463158] ? graph_lock+0x170/0x170 [ 231.468498] Total swap = 0kB [ 231.472554] ? pvclock_read_flags+0x160/0x160 [ 231.475546] 1965979 pages RAM [ 231.479344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.482338] 0 pages HighMem/MovableOnly [ 231.486834] ? check_preemption_disabled+0x48/0x200 [ 231.489914] 343323 pages reserved [ 231.495462] ? __lock_is_held+0xb5/0x140 [ 231.499398] 0 pages cma reserved [ 231.504412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.507940] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.511896] ? check_preemption_disabled+0x48/0x200 [ 231.515309] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.520782] run_timer_softirq+0x52/0xb0 [ 231.527253] syz-fuzzer cpuset= [ 231.532276] ? rcu_read_lock_sched_held+0x108/0x120 [ 231.542482] / [ 231.546544] __do_softirq+0x30b/0xad8 [ 231.549705] mems_allowed=0 [ 231.554721] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 231.568211] ? pvclock_read_flags+0x160/0x160 [ 231.572714] ? lapic_next_event+0x5a/0x90 [ 231.576864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.582407] ? check_preemption_disabled+0x48/0x200 [ 231.587420] ? check_preemption_disabled+0x48/0x200 [ 231.592448] ? kvm_clock_read+0x18/0x30 [ 231.596425] ? kvm_sched_clock_read+0x9/0x20 [ 231.600841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.606377] ? check_preemption_disabled+0x48/0x200 [ 231.611409] irq_exit+0x17f/0x1c0 [ 231.614876] smp_apic_timer_interrupt+0x1cb/0x760 [ 231.619763] ? smp_reschedule_interrupt+0x109/0x650 [ 231.624784] ? smp_call_function_single_interrupt+0x650/0x650 [ 231.630673] ? interrupt_entry+0xb5/0xf0 [ 231.634741] ? trace_hardirqs_off_caller+0xbb/0x300 [ 231.639759] ? trace_hardirqs_off_caller+0xbb/0x300 [ 231.644783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.649630] ? trace_hardirqs_off+0x300/0x300 [ 231.654123] ? trace_hardirqs_off+0x300/0x300 [ 231.658631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.664180] ? check_preemption_disabled+0x48/0x200 [ 231.669202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.674754] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.679611] apic_timer_interrupt+0xf/0x20 [ 231.683840] [ 231.686085] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 231.691018] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 231.709921] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 231.717642] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 231.724914] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 231.732183] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 231.739455] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 231.746726] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 231.754043] skb_clone+0x1bb/0x500 [ 231.757592] ? skb_split+0x11e0/0x11e0 [ 231.761492] ? dev_forward_skb+0x4c/0x60 [ 231.765559] ? __bpf_redirect+0x54b/0xb20 [ 231.769709] ? __switch_to_asm+0x34/0x70 [ 231.773784] bpf_clone_redirect+0xb9/0x490 [ 231.778034] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 231.783062] ? __sched_text_start+0x8/0x8 [ 231.787222] ? lockdep_hardirqs_on+0x421/0x5c0 [ 231.791817] ? retint_kernel+0x2d/0x2d [ 231.795712] ? trace_hardirqs_on_caller+0xc0/0x300 [ 231.800653] ? find_held_lock+0x36/0x1c0 [ 231.804730] ? lock_acquire+0x1ed/0x520 [ 231.808712] ? bpf_test_run+0x32e/0x5a0 [ 231.812692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.818273] ? check_preemption_disabled+0x48/0x200 [ 231.823295] ? kasan_check_read+0x11/0x20 [ 231.827451] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.833222] ? rcu_bh_qs+0xc0/0xc0 [ 231.836779] ? preempt_schedule+0x4d/0x60 [ 231.840932] ? ___preempt_schedule+0x16/0x18 [ 231.845358] ? bpf_test_run+0x1c0/0x5a0 [ 231.849349] ? netlink_diag_dump+0x2a0/0x2a0 [ 231.853767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.859303] ? bpf_test_init.isra.9+0x70/0x100 [ 231.863894] ? bpf_prog_test_run_skb+0x634/0xb40 [ 231.868660] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.873523] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 231.879065] ? fput+0x130/0x1a0 [ 231.882351] ? __bpf_prog_get+0x9b/0x290 [ 231.886419] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.891267] ? bpf_prog_test_run+0x130/0x1a0 [ 231.895680] ? __x64_sys_bpf+0x3d8/0x510 [ 231.899744] ? bpf_prog_get+0x20/0x20 [ 231.903559] ? ksys_ioctl+0x81/0xd0 [ 231.907201] ? do_syscall_64+0x1b9/0x820 [ 231.911274] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 231.916641] ? syscall_return_slowpath+0x5e0/0x5e0 [ 231.921575] ? trace_hardirqs_off+0x300/0x300 [ 231.926077] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 231.931097] ? recalc_sigpending_tsk+0x180/0x180 [ 231.935865] ? kasan_check_write+0x14/0x20 [ 231.940110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.944977] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 231.950365] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 231.950451] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.957290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.957296] Call Trace: [ 231.957304] [ 231.957323] dump_stack+0x1c4/0x2b4 [ 231.957340] ? dump_stack_print_info.cold.2+0x52/0x52 [ 231.964186] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.973358] warn_alloc.cold.118+0xb7/0x1bd [ 231.975908] syz-executor0 cpuset= [ 231.978051] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.981656] syz0 [ 231.986851] ? lock_downgrade+0x900/0x900 [ 231.997314] mems_allowed=0 [ 232.001647] ? trace_hardirqs_off+0xb8/0x300 [ 232.023323] ? trace_hardirqs_off+0xb8/0x300 [ 232.027752] __alloc_pages_slowpath+0x2667/0x2d80 [ 232.032632] ? warn_alloc+0x120/0x120 [ 232.036447] ? graph_lock+0x170/0x170 [ 232.040257] ? warn_alloc+0x120/0x120 [ 232.044065] ? print_usage_bug+0xc0/0xc0 [ 232.048130] ? warn_alloc+0x120/0x120 [ 232.051934] ? print_usage_bug+0xc0/0xc0 [ 232.056010] ? __lock_acquire+0x7ec/0x4ec0 [ 232.060251] ? __lock_acquire+0x7ec/0x4ec0 [ 232.064499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.070044] ? should_fail+0x22d/0xd01 [ 232.073944] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.079062] ? __lock_acquire+0x7ec/0x4ec0 [ 232.083309] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.088417] ? __lock_acquire+0x7ec/0x4ec0 [ 232.092655] ? should_fail+0x22d/0xd01 [ 232.096554] ? mark_held_locks+0x130/0x130 [ 232.100798] ? mark_held_locks+0x130/0x130 [ 232.105036] ? graph_lock+0x170/0x170 [ 232.108836] ? graph_lock+0x170/0x170 [ 232.112639] ? graph_lock+0x170/0x170 [ 232.116442] ? print_usage_bug+0xc0/0xc0 [ 232.120507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.126050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.131588] ? check_preemption_disabled+0x48/0x200 [ 232.136603] ? check_preemption_disabled+0x48/0x200 [ 232.141631] ? __lock_is_held+0xb5/0x140 [ 232.145702] __alloc_pages_nodemask+0xa80/0xde0 [ 232.150376] ? graph_lock+0x170/0x170 [ 232.154182] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 232.159196] ? graph_lock+0x170/0x170 [ 232.163012] ? find_held_lock+0x36/0x1c0 [ 232.167084] ? ____cache_alloc_node+0x1c7/0x1e0 [ 232.171763] ? lock_downgrade+0x900/0x900 [ 232.175924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.181477] cache_grow_begin+0x91/0x8c0 [ 232.185539] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.189968] fallback_alloc+0x203/0x2e0 [ 232.193956] ____cache_alloc_node+0x1c7/0x1e0 [ 232.198470] kmem_cache_alloc_node+0xe3/0x730 [ 232.202979] ? ipv6_get_ifaddr+0x42e/0x620 [ 232.207231] __alloc_skb+0x119/0x770 [ 232.210956] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.216248] ? skb_scrub_packet+0x490/0x490 [ 232.220573] ? lock_downgrade+0x900/0x900 [ 232.224731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.230281] ? refcount_sub_and_test_checked+0x203/0x310 [ 232.235740] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 232.241204] ? addrconf_rs_timer+0x6f0/0x6f0 [ 232.245632] ndisc_alloc_skb+0x144/0x340 [ 232.249700] ndisc_send_rs+0x331/0x6e0 [ 232.253595] addrconf_rs_timer+0x3c0/0x6f0 [ 232.257837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.262091] call_timer_fn+0x272/0x920 [ 232.265985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.270227] ? process_timeout+0x40/0x40 [ 232.274380] ? find_held_lock+0x36/0x1c0 [ 232.278453] ? mark_held_locks+0xc7/0x130 [ 232.282609] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.287109] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.291607] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.295849] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 232.300439] ? trace_hardirqs_on+0xbd/0x310 [ 232.304769] ? kasan_check_read+0x11/0x20 [ 232.308925] ? __run_timers+0x7da/0xc70 [ 232.312911] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.318372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.322614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.326851] __run_timers+0x7e5/0xc70 [ 232.330669] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 232.336034] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 232.341054] ? graph_lock+0x170/0x170 [ 232.344891] ? print_usage_bug+0xc0/0xc0 [ 232.348955] ? lock_release+0x970/0x970 [ 232.352942] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 232.358150] ? find_held_lock+0x36/0x1c0 [ 232.362219] ? graph_lock+0x170/0x170 [ 232.366029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.371568] ? check_preemption_disabled+0x48/0x200 [ 232.376597] ? __lock_is_held+0xb5/0x140 [ 232.380665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.386206] ? check_preemption_disabled+0x48/0x200 [ 232.391233] run_timer_softirq+0x52/0xb0 [ 232.395302] ? rcu_read_lock_sched_held+0x108/0x120 [ 232.400326] __do_softirq+0x30b/0xad8 [ 232.404147] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 232.409262] ? pvclock_read_flags+0x160/0x160 [ 232.413764] ? lapic_next_event+0x5a/0x90 [ 232.417917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.423457] ? check_preemption_disabled+0x48/0x200 [ 232.428472] ? check_preemption_disabled+0x48/0x200 [ 232.433496] ? kvm_clock_read+0x18/0x30 [ 232.437475] ? kvm_sched_clock_read+0x9/0x20 [ 232.441890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.447428] ? check_preemption_disabled+0x48/0x200 [ 232.452461] irq_exit+0x17f/0x1c0 [ 232.455920] smp_apic_timer_interrupt+0x1cb/0x760 [ 232.460770] ? smp_call_function_single_interrupt+0x650/0x650 [ 232.466665] ? interrupt_entry+0xb5/0xf0 [ 232.470739] ? trace_hardirqs_off_caller+0xbb/0x300 [ 232.475764] ? trace_hardirqs_off_caller+0xbb/0x300 [ 232.480789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.485636] ? trace_hardirqs_off+0x300/0x300 [ 232.490139] ? trace_hardirqs_off+0x300/0x300 [ 232.494641] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.500180] ? check_preemption_disabled+0x48/0x200 [ 232.505196] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.510747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.515604] apic_timer_interrupt+0xf/0x20 [ 232.519837] [ 232.522077] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 232.527445] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 232.546353] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 232.554066] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 232.561334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 232.568603] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 232.575874] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 232.583145] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 232.590441] ? page_evictable+0x35d/0x540 [ 232.594603] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 232.600141] page_evictable+0x36b/0x540 [ 232.604119] ? kswapd_stop+0x100/0x100 [ 232.608017] ? ___might_sleep+0x1ed/0x300 [ 232.612167] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.617622] ? arch_local_save_flags+0x40/0x40 [ 232.622211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.627762] ? check_preemption_disabled+0x48/0x200 [ 232.632794] shrink_active_list+0x845/0x1c20 [ 232.637212] ? free_unref_page_list+0xc0f/0x11e0 [ 232.641993] ? shrink_inactive_list+0x1c60/0x1c60 [ 232.646855] ? graph_lock+0x170/0x170 [ 232.650661] ? __page_frag_cache_drain+0x200/0x200 [ 232.655590] ? print_usage_bug+0xc0/0xc0 [ 232.659668] ? find_held_lock+0x36/0x1c0 [ 232.663738] ? graph_lock+0x170/0x170 [ 232.667547] ? mark_held_locks+0xc7/0x130 [ 232.671696] ? check_preemption_disabled+0x48/0x200 [ 232.676712] ? check_preemption_disabled+0x48/0x200 [ 232.681748] ? graph_lock+0x170/0x170 [ 232.685552] ? __lock_is_held+0xb5/0x140 [ 232.689622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.695158] ? check_preemption_disabled+0x48/0x200 [ 232.700186] ? __lock_is_held+0xb5/0x140 [ 232.704264] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 232.709287] ? inactive_list_is_low+0x305/0x880 [ 232.713972] ? lruvec_lru_size+0x450/0x450 [ 232.718213] ? kasan_check_read+0x11/0x20 [ 232.722380] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 232.727331] shrink_node_memcg+0x803/0x18e0 [ 232.731676] ? shrink_active_list+0x1c20/0x1c20 [ 232.736369] ? lockdep_hardirqs_on+0x421/0x5c0 [ 232.740972] ? trace_hardirqs_on+0xbd/0x310 [ 232.745311] ? vmpressure+0x294/0x310 [ 232.749114] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.754598] shrink_node+0x3bc/0x16b0 [ 232.758410] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 232.763730] ? shrink_node_memcg+0x18e0/0x18e0 [ 232.768326] ? lockdep_hardirqs_on+0x421/0x5c0 [ 232.772917] ? trace_hardirqs_on+0xbd/0x310 [ 232.777248] ? vmpressure+0x294/0x310 [ 232.781058] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.785470] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 232.790073] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 232.795618] ? __cpuset_node_allowed+0x19b/0x660 [ 232.800382] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 232.806098] ? vmpressure+0x1c9/0x310 [ 232.809919] do_try_to_free_pages+0x3e7/0x1290 [ 232.814526] ? shrink_node+0x16b0/0x16b0 [ 232.818593] ? __lock_is_held+0xb5/0x140 [ 232.822672] try_to_free_pages+0x4d0/0xb90 [ 232.826914] ? do_try_to_free_pages+0x1290/0x1290 [ 232.831768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.837319] ? lock_acquire+0x1ed/0x520 [ 232.841298] ? set_page_refcounted+0x280/0x280 [ 232.845889] ? lock_release+0x970/0x970 [ 232.849872] ? ___might_sleep+0x1ed/0x300 [ 232.854024] ? arch_local_save_flags+0x40/0x40 [ 232.858611] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 232.863633] ? __radix_tree_lookup+0x358/0x4c0 [ 232.868231] __alloc_pages_slowpath+0x993/0x2d80 [ 232.873024] ? kasan_check_read+0x11/0x20 [ 232.877179] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.882457] ? warn_alloc+0x120/0x120 [ 232.886262] ? __radix_tree_lookup+0x4c0/0x4c0 [ 232.890862] ? find_get_entry+0x2f2/0xc40 [ 232.895026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.900570] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 232.905505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.911046] ? should_fail+0x22d/0xd01 [ 232.914943] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.920059] ? __lock_is_held+0xb5/0x140 [ 232.924124] ? graph_lock+0x170/0x170 [ 232.927932] ? graph_lock+0x170/0x170 [ 232.931769] ? __lock_is_held+0xb5/0x140 [ 232.935845] ? __lock_acquire+0x7ec/0x4ec0 [ 232.940104] ? ___might_sleep+0x1ed/0x300 [ 232.944258] ? lock_release+0x970/0x970 [ 232.948237] ? arch_local_save_flags+0x40/0x40 [ 232.952838] ? __might_sleep+0x95/0x190 [ 232.956825] __alloc_pages_nodemask+0xa80/0xde0 [ 232.961503] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 232.966529] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.972332] ? kasan_check_read+0x11/0x20 [ 232.976492] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.981779] ? graph_lock+0x170/0x170 [ 232.985586] ? print_usage_bug+0xc0/0xc0 [ 232.989655] ? graph_lock+0x170/0x170 [ 232.993458] ? graph_lock+0x170/0x170 [ 232.997265] ? __do_page_cache_readahead+0x7ce/0x980 [ 233.002379] ? find_held_lock+0x36/0x1c0 [ 233.006453] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 233.012004] alloc_pages_current+0x10c/0x210 [ 233.016416] ? lock_downgrade+0x900/0x900 [ 233.020573] __page_cache_alloc+0x38f/0x5b0 [ 233.024898] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 233.030696] ? kasan_check_read+0x11/0x20 [ 233.034848] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.040131] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 233.044808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.050351] ? check_preemption_disabled+0x48/0x200 [ 233.055379] filemap_fault+0x1594/0x25f0 [ 233.059457] ? __lock_page_or_retry+0xa00/0xa00 [ 233.064128] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 233.069925] ? kasan_check_read+0x11/0x20 [ 233.074086] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.079453] ? rcu_bh_qs+0xc0/0xc0 [ 233.083001] ? print_usage_bug+0xc0/0xc0 [ 233.087072] ? filemap_map_pages+0xdea/0x1980 [ 233.091585] ? print_usage_bug+0xc0/0xc0 [ 233.095659] ? find_get_pages_range_tag+0x1320/0x1320 [ 233.100854] ? print_usage_bug+0xc0/0xc0 [ 233.104919] ? __lock_acquire+0x7ec/0x4ec0 [ 233.109160] ? graph_lock+0x170/0x170 [ 233.112975] ? __sigqueue_free.part.27+0x7d/0xa0 [ 233.117749] ? __lock_acquire+0x7ec/0x4ec0 [ 233.122015] ? lock_acquire+0x1ed/0x520 [ 233.125996] ? ext4_filemap_fault+0x7a/0xad [ 233.130328] ? lock_release+0x970/0x970 [ 233.134308] ? arch_local_save_flags+0x40/0x40 [ 233.138896] ? mark_held_locks+0x130/0x130 [ 233.143145] ? down_read+0xb0/0x1d0 [ 233.146779] ? ext4_filemap_fault+0x7a/0xad [ 233.151104] ? __down_interruptible+0x700/0x700 [ 233.155776] ? graph_lock+0x170/0x170 [ 233.159580] ? __sigqueue_free.part.27+0x7d/0xa0 [ 233.164360] ext4_filemap_fault+0x82/0xad [ 233.168519] __do_fault+0x100/0x6b0 [ 233.172155] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.177440] ? print_bad_pte+0x6c0/0x6c0 [ 233.181509] ? pmd_val+0x88/0x100 [ 233.184972] ? add_mm_counter_fast+0xd0/0xd0 [ 233.189386] ? pmd_val+0x88/0x100 [ 233.192841] ? add_mm_counter_fast+0xd0/0xd0 [ 233.197261] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.202806] __handle_mm_fault+0x3709/0x53e0 [ 233.207231] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 233.212081] ? graph_lock+0x170/0x170 [ 233.215889] ? print_usage_bug+0xc0/0xc0 [ 233.219956] ? graph_lock+0x170/0x170 [ 233.223774] ? graph_lock+0x170/0x170 [ 233.227599] ? handle_mm_fault+0x42a/0xc70 [ 233.231840] ? lock_downgrade+0x900/0x900 [ 233.235997] ? check_preemption_disabled+0x48/0x200 [ 233.241026] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 233.246823] ? kasan_check_read+0x11/0x20 [ 233.250982] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.256266] ? rcu_bh_qs+0xc0/0xc0 [ 233.259813] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.265271] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.270807] ? check_preemption_disabled+0x48/0x200 [ 233.275838] handle_mm_fault+0x54f/0xc70 [ 233.279906] ? __handle_mm_fault+0x53e0/0x53e0 [ 233.284491] ? find_vma+0x34/0x190 [ 233.288044] __do_page_fault+0x67d/0xed0 [ 233.292116] ? mm_fault_error+0x380/0x380 [ 233.296272] ? syscall_slow_exit_work+0x520/0x520 [ 233.301127] do_page_fault+0xf2/0x7e0 [ 233.304933] ? vmalloc_sync_all+0x30/0x30 [ 233.309095] ? error_entry+0x70/0xd0 [ 233.312814] ? trace_hardirqs_off_caller+0xbb/0x300 [ 233.317853] ? trace_hardirqs_on_caller+0xc0/0x300 [ 233.322786] ? syscall_return_slowpath+0x5e0/0x5e0 [ 233.327721] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.332574] ? trace_hardirqs_off+0x300/0x300 [ 233.337071] ? trace_hardirqs_off_caller+0x300/0x300 [ 233.342182] ? prepare_exit_to_usermode+0x291/0x3b0 [ 233.347206] ? page_fault+0x8/0x30 [ 233.350758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.355605] ? page_fault+0x8/0x30 [ 233.359152] page_fault+0x1e/0x30 [ 233.362607] RIP: 0033:0x45db60 [ 233.365808] Code: Bad RIP value. [ 233.369172] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 233.374538] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 233.381813] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 233.389080] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 233.396346] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 233.403612] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 233.410911] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 233.410917] warn_alloc_show_mem: 1 callbacks suppressed [ 233.410924] Mem-Info: [ 233.418109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.423479] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 233.423479] active_file:15 inactive_file:16 isolated_file:2 [ 233.423479] unevictable:0 dirty:0 writeback:0 unstable:0 [ 233.423479] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 233.423479] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 233.423479] free:13788 free_pcp:262 free_cma:0 [ 233.425849] Call Trace: [ 233.435324] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 233.468184] [ 233.470759] Node 0 [ 233.498443] dump_stack+0x1c4/0x2b4 [ 233.500592] 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 [ 233.502797] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.506393] lowmem_reserve[]: 0 [ 233.531918] warn_alloc.cold.118+0xb7/0x1bd [ 233.537074] 2815 [ 233.540367] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.544655] 6318 6318 [ 233.546721] ? lock_downgrade+0x900/0x900 [ 233.554034] ? trace_hardirqs_off+0xb8/0x300 [ 233.558152] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 233.562586] ? trace_hardirqs_off+0xb8/0x300 [ 233.562610] __alloc_pages_slowpath+0x2667/0x2d80 [ 233.590168] lowmem_reserve[]: 0 [ 233.594619] ? warn_alloc+0x120/0x120 [ 233.599400] 0 3503 [ 233.602683] ? warn_alloc+0x120/0x120 [ 233.606456] 3503 [ 233.608687] ? print_usage_bug+0xc0/0xc0 [ 233.614536] ? warn_alloc+0x120/0x120 [ 233.618575] Node 0 [ 233.622364] ? print_usage_bug+0xc0/0xc0 [ 233.622396] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 233.622404] lowmem_reserve[]: [ 233.624633] ? graph_lock+0x170/0x170 [ 233.628673] 0 [ 233.657041] ? kvm_sched_clock_read+0x9/0x20 [ 233.660117] 0 [ 233.663912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.665685] 0 [ 233.670095] ? should_fail+0x22d/0xd01 [ 233.671869] 0 [ 233.677410] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.683069] ? __lock_acquire+0x7ec/0x4ec0 [ 233.684843] Node 0 [ 233.689945] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.694148] DMA: [ 233.696382] ? __lock_acquire+0x7ec/0x4ec0 [ 233.701461] 1*4kB [ 233.703519] ? should_fail+0x22d/0xd01 [ 233.707729] (U) [ 233.709881] ? mark_held_locks+0x130/0x130 [ 233.713739] 0*8kB [ 233.715709] ? mark_held_locks+0x130/0x130 [ 233.719921] 0*16kB [ 233.722069] ? select_task_rq_fair+0x754/0x34f0 [ 233.726275] 1*32kB [ 233.728505] ? lock_downgrade+0x900/0x900 [ 233.733148] (U) [ 233.735381] ? check_preemption_disabled+0x48/0x200 [ 233.739508] 2*64kB [ 233.741478] ? graph_lock+0x170/0x170 [ 233.746469] (U) [ 233.748701] ? print_usage_bug+0xc0/0xc0 [ 233.752468] 1*128kB (U) [ 233.754450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.758483] 1*256kB [ 233.761152] ? check_preemption_disabled+0x48/0x200 [ 233.766671] (U) [ 233.769008] ? check_preemption_disabled+0x48/0x200 [ 233.774002] 0*512kB [ 233.775996] ? __lock_is_held+0xb5/0x140 [ 233.780981] 1*1024kB [ 233.783307] __alloc_pages_nodemask+0xa80/0xde0 [ 233.787337] (U) [ 233.789747] ? graph_lock+0x170/0x170 [ 233.794388] 1*2048kB (M) [ 233.796374] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 233.800150] 3*4096kB [ 233.802902] ? graph_lock+0x170/0x170 [ 233.807889] (M) [ 233.810303] ? find_held_lock+0x36/0x1c0 [ 233.814070] = 15908kB [ 233.816052] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.820085] Node 0 [ 233.822492] ? lock_downgrade+0x900/0x900 [ 233.827130] DMA32: 3*4kB [ 233.829841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.833971] (M) [ 233.836730] cache_grow_begin+0x91/0x8c0 [ 233.842241] 2*8kB [ 233.844224] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.848257] (M) [ 233.850409] fallback_alloc+0x203/0x2e0 [ 233.854779] 1*16kB (M) [ 233.856767] ____cache_alloc_node+0x1c7/0x1e0 [ 233.860708] 1*32kB (M) [ 233.863301] kmem_cache_alloc_node+0xe3/0x730 [ 233.867780] 3*64kB [ 233.870366] ? ipv6_get_ifaddr+0x42e/0x620 [ 233.874833] (UM) [ 233.877074] __alloc_skb+0x119/0x770 [ 233.881271] 3*128kB (M) [ 233.883354] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.887034] 2*256kB [ 233.889709] ? skb_scrub_packet+0x490/0x490 [ 233.894955] (M) [ 233.897289] ? lock_downgrade+0x900/0x900 [ 233.901581] 3*512kB [ 233.903559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.907677] (M) [ 233.910006] ? refcount_sub_and_test_checked+0x203/0x310 [ 233.915515] 4*1024kB [ 233.917491] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 233.922915] (UM) [ 233.925331] ? addrconf_rs_timer+0x6f0/0x6f0 [ 233.930753] 3*2048kB [ 233.932826] ndisc_alloc_skb+0x144/0x340 [ 233.937194] (UM) [ 233.939606] ndisc_send_rs+0x331/0x6e0 [ 233.943631] 3*4096kB (M) [ 233.945704] addrconf_rs_timer+0x3c0/0x6f0 [ 233.949556] = 25228kB [ 233.949565] Node 0 [ 233.952323] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.956524] Normal: 866*4kB [ 233.958950] call_timer_fn+0x272/0x920 [ 233.961673] (ME) [ 233.965910] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.968899] 469*8kB [ 233.972783] ? process_timeout+0x40/0x40 [ 233.974817] (UME) [ 233.979068] ? find_held_lock+0x36/0x1c0 [ 233.981363] 197*16kB (UME) [ 233.985439] ? __run_timers+0x7da/0xc70 [ 233.987553] 59*32kB (UME) [ 233.991619] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.994529] 18*64kB [ 233.998506] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.001324] (ME) [ 234.005845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.008136] 3*128kB [ 234.012632] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 234.014665] (M) [ 234.018901] ? trace_hardirqs_on+0xbd/0x310 [ 234.021219] 1*256kB [ 234.025793] ? kasan_check_read+0x11/0x20 [ 234.025815] ? __run_timers+0x7da/0xc70 [ 234.027771] (U) [ 234.032102] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.034394] 0*512kB [ 234.038553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.042489] 0*1024kB 0*2048kB [ 234.044478] __run_timers+0x7e5/0xc70 [ 234.049891] 0*4096kB = 14048kB [ 234.052237] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 234.056443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 234.059632] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 234.063408] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 234.066596] ? graph_lock+0x170/0x170 [ 234.071939] 412 total pagecache pages [ 234.080785] ? enqueue_hrtimer+0x1a5/0x560 [ 234.085780] 0 pages in swap cache [ 234.094365] ? lock_release+0x970/0x970 [ 234.098141] Swap cache stats: add 0, delete 0, find 0/0 [ 234.101934] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 234.106147] Free swap = 0kB [ 234.109605] ? find_held_lock+0x36/0x1c0 [ 234.113550] Total swap = 0kB [ 234.118917] ? graph_lock+0x170/0x170 [ 234.124082] 1965979 pages RAM [ 234.127104] ? pvclock_read_flags+0x160/0x160 [ 234.131147] 0 pages HighMem/MovableOnly [ 234.134173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.137940] 343323 pages reserved [ 234.137950] 0 pages cma reserved [ 234.141071] ? check_preemption_disabled+0x48/0x200 [ 234.145612] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.149513] ? __lock_is_held+0xb5/0x140 [ 234.149535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.155120] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.158499] ? check_preemption_disabled+0x48/0x200 [ 234.161850] syz-fuzzer cpuset= [ 234.166876] run_timer_softirq+0x52/0xb0 [ 234.173334] / [ 234.177390] ? rcu_read_lock_sched_held+0x108/0x120 [ 234.182905] mems_allowed=0 [ 234.193215] __do_softirq+0x30b/0xad8 [ 234.218843] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 234.223956] ? pvclock_read_flags+0x160/0x160 [ 234.228466] ? lapic_next_event+0x5a/0x90 [ 234.232616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.238154] ? check_preemption_disabled+0x48/0x200 [ 234.243172] ? check_preemption_disabled+0x48/0x200 [ 234.248196] ? kvm_clock_read+0x18/0x30 [ 234.252173] ? kvm_sched_clock_read+0x9/0x20 [ 234.256583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.262122] ? check_preemption_disabled+0x48/0x200 [ 234.267156] irq_exit+0x17f/0x1c0 [ 234.270615] smp_apic_timer_interrupt+0x1cb/0x760 [ 234.275461] ? smp_reschedule_interrupt+0x109/0x650 [ 234.280483] ? smp_call_function_single_interrupt+0x650/0x650 [ 234.286371] ? interrupt_entry+0xb5/0xf0 [ 234.290441] ? trace_hardirqs_off_caller+0xbb/0x300 [ 234.295457] ? trace_hardirqs_off_caller+0xbb/0x300 [ 234.300479] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.305328] ? trace_hardirqs_off+0x300/0x300 [ 234.309825] ? trace_hardirqs_off+0x300/0x300 [ 234.314341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.319891] ? check_preemption_disabled+0x48/0x200 [ 234.324909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.330462] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.335320] apic_timer_interrupt+0xf/0x20 [ 234.339554] [ 234.341797] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 234.346730] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 234.365664] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 234.373384] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 234.380655] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 234.387922] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 234.395191] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 234.402465] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 234.409786] skb_clone+0x1bb/0x500 [ 234.413331] ? skb_split+0x11e0/0x11e0 [ 234.417228] ? dev_forward_skb+0x4c/0x60 [ 234.421301] ? __bpf_redirect+0x54b/0xb20 [ 234.425454] ? __switch_to_asm+0x34/0x70 [ 234.429526] bpf_clone_redirect+0xb9/0x490 [ 234.433773] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 234.438803] ? __sched_text_start+0x8/0x8 [ 234.442966] ? lockdep_hardirqs_on+0x421/0x5c0 [ 234.447552] ? retint_kernel+0x2d/0x2d [ 234.451442] ? trace_hardirqs_on_caller+0xc0/0x300 [ 234.456380] ? find_held_lock+0x36/0x1c0 [ 234.460451] ? lock_acquire+0x1ed/0x520 [ 234.464429] ? bpf_test_run+0x32e/0x5a0 [ 234.468411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.473951] ? check_preemption_disabled+0x48/0x200 [ 234.478991] ? kasan_check_read+0x11/0x20 [ 234.483144] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.488425] ? rcu_bh_qs+0xc0/0xc0 [ 234.491982] ? preempt_schedule+0x4d/0x60 [ 234.496138] ? ___preempt_schedule+0x16/0x18 [ 234.500556] ? bpf_test_run+0x1c0/0x5a0 [ 234.504543] ? netlink_diag_dump+0x2a0/0x2a0 [ 234.508966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.514509] ? bpf_test_init.isra.9+0x70/0x100 [ 234.519099] ? bpf_prog_test_run_skb+0x634/0xb40 [ 234.523862] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.528708] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 234.534256] ? fput+0x130/0x1a0 [ 234.537540] ? __bpf_prog_get+0x9b/0x290 [ 234.541606] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.546449] ? bpf_prog_test_run+0x130/0x1a0 [ 234.550866] ? __x64_sys_bpf+0x3d8/0x510 [ 234.554932] ? bpf_prog_get+0x20/0x20 [ 234.558753] ? ksys_ioctl+0x81/0xd0 [ 234.562398] ? do_syscall_64+0x1b9/0x820 [ 234.566465] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 234.571832] ? syscall_return_slowpath+0x5e0/0x5e0 [ 234.576768] ? trace_hardirqs_off+0x300/0x300 [ 234.581274] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 234.586291] ? recalc_sigpending_tsk+0x180/0x180 [ 234.591054] ? kasan_check_write+0x14/0x20 [ 234.595299] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.600155] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 234.605540] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 234.605627] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.612468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.612473] Call Trace: [ 234.612481] [ 234.612497] dump_stack+0x1c4/0x2b4 [ 234.612514] ? dump_stack_print_info.cold.2+0x52/0x52 [ 234.612541] warn_alloc.cold.118+0xb7/0x1bd [ 234.619104] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.628356] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 234.630914] syz-executor0 cpuset= [ 234.633062] ? lock_downgrade+0x900/0x900 [ 234.636660] syz0 [ 234.641847] ? trace_hardirqs_off+0xb8/0x300 [ 234.646145] mems_allowed=0 [ 234.656627] ? trace_hardirqs_off+0xb8/0x300 [ 234.682710] __alloc_pages_slowpath+0x2667/0x2d80 [ 234.687595] ? warn_alloc+0x120/0x120 [ 234.691407] ? warn_alloc+0x120/0x120 [ 234.695219] ? print_usage_bug+0xc0/0xc0 [ 234.699283] ? warn_alloc+0x120/0x120 [ 234.703088] ? print_usage_bug+0xc0/0xc0 [ 234.707159] ? __lock_acquire+0x7ec/0x4ec0 [ 234.711396] ? __lock_acquire+0x7ec/0x4ec0 [ 234.715639] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.721179] ? should_fail+0x22d/0xd01 [ 234.725079] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.730185] ? __lock_acquire+0x7ec/0x4ec0 [ 234.734431] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.739536] ? __lock_acquire+0x7ec/0x4ec0 [ 234.743781] ? should_fail+0x22d/0xd01 [ 234.747687] ? mark_held_locks+0x130/0x130 [ 234.751927] ? mark_held_locks+0x130/0x130 [ 234.756178] ? graph_lock+0x170/0x170 [ 234.759992] ? graph_lock+0x170/0x170 [ 234.763802] ? graph_lock+0x170/0x170 [ 234.767607] ? print_usage_bug+0xc0/0xc0 [ 234.771672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.777218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.782766] ? check_preemption_disabled+0x48/0x200 [ 234.787789] ? check_preemption_disabled+0x48/0x200 [ 234.792856] ? __lock_is_held+0xb5/0x140 [ 234.796933] __alloc_pages_nodemask+0xa80/0xde0 [ 234.801620] ? graph_lock+0x170/0x170 [ 234.805427] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 234.810444] ? graph_lock+0x170/0x170 [ 234.814258] ? find_held_lock+0x36/0x1c0 [ 234.818336] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.823011] ? lock_downgrade+0x900/0x900 [ 234.827171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.832724] cache_grow_begin+0x91/0x8c0 [ 234.836797] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.841225] fallback_alloc+0x203/0x2e0 [ 234.845214] ____cache_alloc_node+0x1c7/0x1e0 [ 234.849722] kmem_cache_alloc_node+0xe3/0x730 [ 234.854229] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.858476] __alloc_skb+0x119/0x770 [ 234.862199] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.867482] ? skb_scrub_packet+0x490/0x490 [ 234.871807] ? lock_downgrade+0x900/0x900 [ 234.875976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.881531] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.887002] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.892461] ? addrconf_rs_timer+0x6f0/0x6f0 [ 234.896885] ndisc_alloc_skb+0x144/0x340 [ 234.900967] ndisc_send_rs+0x331/0x6e0 [ 234.904876] addrconf_rs_timer+0x3c0/0x6f0 [ 234.909120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.913375] call_timer_fn+0x272/0x920 [ 234.917265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.921506] ? process_timeout+0x40/0x40 [ 234.925569] ? find_held_lock+0x36/0x1c0 [ 234.929639] ? mark_held_locks+0xc7/0x130 [ 234.933793] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.938290] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.942790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.947040] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 234.951638] ? trace_hardirqs_on+0xbd/0x310 [ 234.955971] ? kasan_check_read+0x11/0x20 [ 234.960127] ? __run_timers+0x7da/0xc70 [ 234.964631] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.970101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.974352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.978596] __run_timers+0x7e5/0xc70 [ 234.982417] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 234.987789] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 234.992809] ? graph_lock+0x170/0x170 [ 234.996615] ? print_usage_bug+0xc0/0xc0 [ 235.000679] ? lock_release+0x970/0x970 [ 235.004658] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 235.009858] ? find_held_lock+0x36/0x1c0 [ 235.013931] ? graph_lock+0x170/0x170 [ 235.017755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.023301] ? check_preemption_disabled+0x48/0x200 [ 235.028335] ? __lock_is_held+0xb5/0x140 [ 235.032406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.037967] ? check_preemption_disabled+0x48/0x200 [ 235.043094] run_timer_softirq+0x52/0xb0 [ 235.047160] ? rcu_read_lock_sched_held+0x108/0x120 [ 235.052187] __do_softirq+0x30b/0xad8 [ 235.056007] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 235.061131] ? pvclock_read_flags+0x160/0x160 [ 235.065631] ? lapic_next_event+0x5a/0x90 [ 235.069786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.075337] ? check_preemption_disabled+0x48/0x200 [ 235.080357] ? check_preemption_disabled+0x48/0x200 [ 235.085389] ? kvm_clock_read+0x18/0x30 [ 235.089369] ? kvm_sched_clock_read+0x9/0x20 [ 235.093790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.099331] ? check_preemption_disabled+0x48/0x200 [ 235.104367] irq_exit+0x17f/0x1c0 [ 235.107832] smp_apic_timer_interrupt+0x1cb/0x760 [ 235.112682] ? smp_call_function_single_interrupt+0x650/0x650 [ 235.118577] ? interrupt_entry+0xb5/0xf0 [ 235.122648] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.127674] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.132708] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.137560] ? trace_hardirqs_off+0x300/0x300 [ 235.142067] ? trace_hardirqs_off+0x300/0x300 [ 235.146572] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.152123] ? check_preemption_disabled+0x48/0x200 [ 235.157154] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.162712] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.167577] apic_timer_interrupt+0xf/0x20 [ 235.171812] [ 235.174061] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 235.179435] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 235.198359] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 235.206093] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 235.213363] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 235.220634] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 235.227905] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 235.235175] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 235.242475] ? page_evictable+0x35d/0x540 [ 235.246641] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 235.252181] page_evictable+0x36b/0x540 [ 235.256159] ? kswapd_stop+0x100/0x100 [ 235.260057] ? ___might_sleep+0x1ed/0x300 [ 235.264209] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.269666] ? arch_local_save_flags+0x40/0x40 [ 235.274258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.279798] ? check_preemption_disabled+0x48/0x200 [ 235.284830] shrink_active_list+0x845/0x1c20 [ 235.289245] ? free_unref_page_list+0xc0f/0x11e0 [ 235.294026] ? shrink_inactive_list+0x1c60/0x1c60 [ 235.298997] ? graph_lock+0x170/0x170 [ 235.302806] ? __page_frag_cache_drain+0x200/0x200 [ 235.307750] ? print_usage_bug+0xc0/0xc0 [ 235.311830] ? find_held_lock+0x36/0x1c0 [ 235.315898] ? graph_lock+0x170/0x170 [ 235.319702] ? mark_held_locks+0xc7/0x130 [ 235.323866] ? check_preemption_disabled+0x48/0x200 [ 235.328886] ? check_preemption_disabled+0x48/0x200 [ 235.333914] ? graph_lock+0x170/0x170 [ 235.337716] ? __lock_is_held+0xb5/0x140 [ 235.341788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.347329] ? check_preemption_disabled+0x48/0x200 [ 235.352362] ? __lock_is_held+0xb5/0x140 [ 235.356447] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 235.361468] ? inactive_list_is_low+0x305/0x880 [ 235.366152] ? lruvec_lru_size+0x450/0x450 [ 235.370385] ? kasan_check_read+0x11/0x20 [ 235.374547] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 235.379493] shrink_node_memcg+0x803/0x18e0 [ 235.383840] ? shrink_active_list+0x1c20/0x1c20 [ 235.388520] ? lockdep_hardirqs_on+0x421/0x5c0 [ 235.393110] ? trace_hardirqs_on+0xbd/0x310 [ 235.397441] ? vmpressure+0x294/0x310 [ 235.401250] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.406739] shrink_node+0x3bc/0x16b0 [ 235.410555] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 235.415863] ? shrink_node_memcg+0x18e0/0x18e0 [ 235.420448] ? lockdep_hardirqs_on+0x421/0x5c0 [ 235.425040] ? trace_hardirqs_on+0xbd/0x310 [ 235.429369] ? vmpressure+0x294/0x310 [ 235.433177] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.437588] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 235.442182] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 235.447727] ? __cpuset_node_allowed+0x19b/0x660 [ 235.452505] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 235.458228] ? vmpressure+0x1c9/0x310 [ 235.462052] do_try_to_free_pages+0x3e7/0x1290 [ 235.466662] ? shrink_node+0x16b0/0x16b0 [ 235.470732] ? __lock_is_held+0xb5/0x140 [ 235.474819] try_to_free_pages+0x4d0/0xb90 [ 235.479067] ? do_try_to_free_pages+0x1290/0x1290 [ 235.483918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.489652] ? lock_acquire+0x1ed/0x520 [ 235.493630] ? set_page_refcounted+0x280/0x280 [ 235.498227] ? lock_release+0x970/0x970 [ 235.502214] ? ___might_sleep+0x1ed/0x300 [ 235.506385] ? arch_local_save_flags+0x40/0x40 [ 235.510985] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 235.516015] ? __radix_tree_lookup+0x358/0x4c0 [ 235.520612] __alloc_pages_slowpath+0x993/0x2d80 [ 235.525403] ? kasan_check_read+0x11/0x20 [ 235.529558] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.534845] ? warn_alloc+0x120/0x120 [ 235.538653] ? __radix_tree_lookup+0x4c0/0x4c0 [ 235.543258] ? find_get_entry+0x2f2/0xc40 [ 235.547425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.552984] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 235.557926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.563486] ? should_fail+0x22d/0xd01 [ 235.567386] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.572494] ? __lock_is_held+0xb5/0x140 [ 235.576562] ? graph_lock+0x170/0x170 [ 235.580373] ? graph_lock+0x170/0x170 [ 235.584198] ? __lock_is_held+0xb5/0x140 [ 235.588274] ? __lock_acquire+0x7ec/0x4ec0 [ 235.592519] ? ___might_sleep+0x1ed/0x300 [ 235.596669] ? lock_release+0x970/0x970 [ 235.600649] ? arch_local_save_flags+0x40/0x40 [ 235.605246] ? __might_sleep+0x95/0x190 [ 235.609230] __alloc_pages_nodemask+0xa80/0xde0 [ 235.613911] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 235.618939] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.624761] ? kasan_check_read+0x11/0x20 [ 235.628927] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.634228] ? graph_lock+0x170/0x170 [ 235.638044] ? print_usage_bug+0xc0/0xc0 [ 235.642117] ? graph_lock+0x170/0x170 [ 235.645931] ? graph_lock+0x170/0x170 [ 235.649782] ? __do_page_cache_readahead+0x7ce/0x980 [ 235.654910] ? find_held_lock+0x36/0x1c0 [ 235.659004] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 235.664555] alloc_pages_current+0x10c/0x210 [ 235.668977] ? lock_downgrade+0x900/0x900 [ 235.673139] __page_cache_alloc+0x38f/0x5b0 [ 235.677471] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.683271] ? kasan_check_read+0x11/0x20 [ 235.687425] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.692712] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 235.697394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.702938] ? check_preemption_disabled+0x48/0x200 [ 235.707986] filemap_fault+0x1594/0x25f0 [ 235.712069] ? __lock_page_or_retry+0xa00/0xa00 [ 235.716751] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.722552] ? kasan_check_read+0x11/0x20 [ 235.726709] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.732007] ? rcu_bh_qs+0xc0/0xc0 [ 235.735563] ? print_usage_bug+0xc0/0xc0 [ 235.739640] ? filemap_map_pages+0xdea/0x1980 [ 235.744150] ? print_usage_bug+0xc0/0xc0 [ 235.748233] ? find_get_pages_range_tag+0x1320/0x1320 [ 235.753457] ? print_usage_bug+0xc0/0xc0 [ 235.757523] ? __lock_acquire+0x7ec/0x4ec0 [ 235.761765] ? graph_lock+0x170/0x170 [ 235.765571] ? __sigqueue_free.part.27+0x7d/0xa0 [ 235.770333] ? __lock_acquire+0x7ec/0x4ec0 [ 235.774586] ? lock_acquire+0x1ed/0x520 [ 235.778569] ? ext4_filemap_fault+0x7a/0xad [ 235.782899] ? lock_release+0x970/0x970 [ 235.786876] ? arch_local_save_flags+0x40/0x40 [ 235.791467] ? mark_held_locks+0x130/0x130 [ 235.795723] ? down_read+0xb0/0x1d0 [ 235.799361] ? ext4_filemap_fault+0x7a/0xad [ 235.803689] ? __down_interruptible+0x700/0x700 [ 235.808370] ? graph_lock+0x170/0x170 [ 235.812183] ? __sigqueue_free.part.27+0x7d/0xa0 [ 235.816973] ext4_filemap_fault+0x82/0xad [ 235.821140] __do_fault+0x100/0x6b0 [ 235.824786] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.830361] ? print_bad_pte+0x6c0/0x6c0 [ 235.834443] ? pmd_val+0x88/0x100 [ 235.837908] ? add_mm_counter_fast+0xd0/0xd0 [ 235.842326] ? pmd_val+0x88/0x100 [ 235.845785] ? add_mm_counter_fast+0xd0/0xd0 [ 235.850211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.855773] __handle_mm_fault+0x3709/0x53e0 [ 235.860201] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 235.865050] ? graph_lock+0x170/0x170 [ 235.868854] ? print_usage_bug+0xc0/0xc0 [ 235.872921] ? graph_lock+0x170/0x170 [ 235.876726] ? graph_lock+0x170/0x170 [ 235.880558] ? handle_mm_fault+0x42a/0xc70 [ 235.884800] ? lock_downgrade+0x900/0x900 [ 235.888949] ? check_preemption_disabled+0x48/0x200 [ 235.893997] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.899806] ? kasan_check_read+0x11/0x20 [ 235.903969] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.909251] ? rcu_bh_qs+0xc0/0xc0 [ 235.912799] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.918256] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.923797] ? check_preemption_disabled+0x48/0x200 [ 235.928829] handle_mm_fault+0x54f/0xc70 [ 235.932899] ? __handle_mm_fault+0x53e0/0x53e0 [ 235.937488] ? find_vma+0x34/0x190 [ 235.941038] __do_page_fault+0x67d/0xed0 [ 235.945114] ? mm_fault_error+0x380/0x380 [ 235.949271] ? syscall_slow_exit_work+0x520/0x520 [ 235.954124] do_page_fault+0xf2/0x7e0 [ 235.957931] ? vmalloc_sync_all+0x30/0x30 [ 235.962562] ? error_entry+0x70/0xd0 [ 235.966286] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.971301] ? trace_hardirqs_on_caller+0xc0/0x300 [ 235.976233] ? syscall_return_slowpath+0x5e0/0x5e0 [ 235.981166] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.986014] ? trace_hardirqs_off+0x300/0x300 [ 235.990508] ? trace_hardirqs_off_caller+0x300/0x300 [ 235.995616] ? prepare_exit_to_usermode+0x291/0x3b0 [ 236.000638] ? page_fault+0x8/0x30 [ 236.004183] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.009031] ? page_fault+0x8/0x30 [ 236.012577] page_fault+0x1e/0x30 [ 236.016035] RIP: 0033:0x45db60 [ 236.019232] Code: Bad RIP value. [ 236.022595] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 236.027958] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 236.035235] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 236.042506] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 236.049779] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 236.057058] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 236.064371] warn_alloc_show_mem: 1 callbacks suppressed [ 236.064384] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 236.064386] Mem-Info: [ 236.064419] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 236.064419] active_file:15 inactive_file:16 isolated_file:2 [ 236.064419] unevictable:0 dirty:0 writeback:0 unstable:0 [ 236.064419] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 236.064419] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 236.064419] free:13788 free_pcp:262 free_cma:0 [ 236.069753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.069762] Call Trace: [ 236.076956] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 236.079361] [ 236.112244] Node 0 [ 236.121616] dump_stack+0x1c4/0x2b4 [ 236.124187] 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 [ 236.151854] ? dump_stack_print_info.cold.2+0x52/0x52 [ 236.153984] lowmem_reserve[]: [ 236.156227] warn_alloc.cold.118+0xb7/0x1bd [ 236.159821] 0 [ 236.185322] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 236.190482] 2815 [ 236.193583] ? lock_downgrade+0x900/0x900 [ 236.197875] 6318 [ 236.199680] ? trace_hardirqs_off+0xb8/0x300 [ 236.204489] 6318 [ 236.206549] ? trace_hardirqs_off+0xb8/0x300 [ 236.212729] __alloc_pages_slowpath+0x2667/0x2d80 [ 236.217105] Node 0 [ 236.219189] ? warn_alloc+0x120/0x120 [ 236.223572] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 236.228384] ? trace_hardirqs_on+0x310/0x310 [ 236.230594] lowmem_reserve[]: [ 236.234391] ? warn_alloc+0x120/0x120 [ 236.261343] 0 [ 236.265748] ? print_usage_bug+0xc0/0xc0 [ 236.268837] 0 [ 236.272634] ? warn_alloc+0x120/0x120 [ 236.274411] 3503 [ 236.278470] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 236.280241] 3503 [ 236.284048] ? print_usage_bug+0xc0/0xc0 [ 236.286089] Node 0 [ 236.291100] ? __lock_acquire+0x7ec/0x4ec0 [ 236.293166] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 236.297194] ? __lock_acquire+0x7ec/0x4ec0 [ 236.299405] lowmem_reserve[]: [ 236.303638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.331986] 0 [ 236.336222] ? should_fail+0x22d/0xd01 [ 236.339301] 0 [ 236.344834] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.346610] 0 [ 236.350495] ? __lock_acquire+0x7ec/0x4ec0 [ 236.352272] 0 [ 236.357368] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.363382] ? __lock_acquire+0x7ec/0x4ec0 [ 236.365160] Node 0 [ 236.370261] ? should_fail+0x22d/0xd01 [ 236.374468] DMA: [ 236.376698] ? print_usage_bug+0xc0/0xc0 [ 236.380562] 1*4kB [ 236.382620] ? mark_held_locks+0x130/0x130 [ 236.386652] (U) [ 236.388797] ? mark_held_locks+0x130/0x130 [ 236.393008] 0*8kB [ 236.394990] ? graph_lock+0x170/0x170 [ 236.399198] 0*16kB [ 236.401338] ? print_usage_bug+0xc0/0xc0 [ 236.405118] 1*32kB [ 236.407351] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.411380] (U) [ 236.413617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.418344] 2*64kB [ 236.420314] ? check_preemption_disabled+0x48/0x200 [ 236.425826] (U) [ 236.428061] ? check_preemption_disabled+0x48/0x200 [ 236.433052] 1*128kB [ 236.435030] ? __lock_is_held+0xb5/0x140 [ 236.440007] (U) 1*256kB [ 236.442338] __alloc_pages_nodemask+0xa80/0xde0 [ 236.446368] (U) [ 236.449030] ? graph_lock+0x170/0x170 [ 236.453670] 0*512kB 1*1024kB [ 236.455653] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 236.459425] (U) [ 236.462527] ? graph_lock+0x170/0x170 [ 236.467523] 1*2048kB [ 236.469498] ? find_held_lock+0x36/0x1c0 [ 236.473264] (M) [ 236.475677] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.479707] 3*4096kB [ 236.481676] ? lock_downgrade+0x900/0x900 [ 236.486320] (M) [ 236.488729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.492861] = 15908kB [ 236.494831] cache_grow_begin+0x91/0x8c0 [ 236.500340] Node 0 [ 236.502747] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.506782] DMA32: [ 236.509021] fallback_alloc+0x203/0x2e0 [ 236.513400] 3*4kB [ 236.515634] ____cache_alloc_node+0x1c7/0x1e0 [ 236.519578] (M) [ 236.521725] kmem_cache_alloc_node+0xe3/0x730 [ 236.526192] 2*8kB [ 236.528165] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.532629] (M) [ 236.534779] __alloc_skb+0x119/0x770 [ 236.538990] 1*16kB [ 236.540974] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.544648] (M) 1*32kB [ 236.546887] ? skb_scrub_packet+0x490/0x490 [ 236.552139] (M) [ 236.554719] ? lock_downgrade+0x900/0x900 [ 236.559015] 3*64kB [ 236.560996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.565113] (UM) 3*128kB [ 236.567361] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.572867] (M) [ 236.575625] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.581052] 2*256kB [ 236.583057] ? addrconf_rs_timer+0x6f0/0x6f0 [ 236.588475] (M) [ 236.590804] ndisc_alloc_skb+0x144/0x340 [ 236.595179] 3*512kB [ 236.597149] ndisc_send_rs+0x331/0x6e0 [ 236.601184] (M) [ 236.603504] addrconf_rs_timer+0x3c0/0x6f0 [ 236.607363] 4*1024kB [ 236.609336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.613542] (UM) [ 236.615956] call_timer_fn+0x272/0x920 [ 236.620160] 3*2048kB (UM) [ 236.622225] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.626082] 3*4096kB (M) [ 236.628955] ? process_timeout+0x40/0x40 [ 236.633172] = 25228kB [ 236.635930] ? find_held_lock+0x36/0x1c0 [ 236.639970] Node 0 [ 236.642382] ? __run_timers+0x7da/0xc70 [ 236.646410] Normal: [ 236.648643] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.652591] 866*4kB [ 236.654910] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.659383] (ME) [ 236.661707] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.666174] 469*8kB [ 236.668238] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 236.672442] (UME) [ 236.674767] ? trace_hardirqs_on+0xbd/0x310 [ 236.679320] 197*16kB [ 236.681460] ? kasan_check_read+0x11/0x20 [ 236.685760] (UME) [ 236.688169] ? __run_timers+0x7da/0xc70 [ 236.692287] 59*32kB [ 236.694429] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.698375] (UME) [ 236.700694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.706117] 18*64kB [ 236.708269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.712484] (ME) [ 236.714804] __run_timers+0x7e5/0xc70 [ 236.719011] 3*128kB [ 236.721080] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 236.724849] (M) [ 236.727173] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 236.732515] 1*256kB [ 236.734482] ? graph_lock+0x170/0x170 [ 236.739470] (U) 0*512kB [ 236.741797] ? enqueue_hrtimer+0x1a5/0x560 [ 236.745575] 0*1024kB [ 236.748240] ? lock_release+0x970/0x970 [ 236.752449] 0*2048kB [ 236.754852] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 236.758802] 0*4096kB [ 236.761212] ? find_held_lock+0x36/0x1c0 [ 236.766378] = 14048kB [ 236.768810] ? graph_lock+0x170/0x170 [ 236.772863] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 236.775269] ? pvclock_read_flags+0x160/0x160 [ 236.779053] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 236.787907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.792378] 412 total pagecache pages [ 236.800956] ? check_preemption_disabled+0x48/0x200 [ 236.806491] 0 pages in swap cache [ 236.810302] ? __lock_is_held+0xb5/0x140 [ 236.815274] Swap cache stats: add 0, delete 0, find 0/0 [ 236.815283] Free swap = 0kB [ 236.818734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.822773] Total swap = 0kB [ 236.828131] ? check_preemption_disabled+0x48/0x200 [ 236.831121] 1965979 pages RAM [ 236.836659] run_timer_softirq+0x52/0xb0 [ 236.839640] 0 pages HighMem/MovableOnly [ 236.839649] 343323 pages reserved [ 236.844665] ? rcu_read_lock_sched_held+0x108/0x120 [ 236.847751] 0 pages cma reserved [ 236.851805] __do_softirq+0x30b/0xad8 [ 236.855828] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 236.859200] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 236.859223] ? pvclock_read_flags+0x160/0x160 [ 236.864341] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.867632] ? lapic_next_event+0x5a/0x90 [ 236.871408] syz-fuzzer cpuset= [ 236.877902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.882981] / [ 236.887471] ? check_preemption_disabled+0x48/0x200 [ 236.897678] mems_allowed=0 [ 236.901819] ? check_preemption_disabled+0x48/0x200 [ 236.925141] ? kvm_clock_read+0x18/0x30 [ 236.929120] ? kvm_sched_clock_read+0x9/0x20 [ 236.933539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.939081] ? check_preemption_disabled+0x48/0x200 [ 236.944113] irq_exit+0x17f/0x1c0 [ 236.947574] smp_apic_timer_interrupt+0x1cb/0x760 [ 236.952420] ? smp_reschedule_interrupt+0x109/0x650 [ 236.957441] ? smp_call_function_single_interrupt+0x650/0x650 [ 236.963326] ? interrupt_entry+0xb5/0xf0 [ 236.967393] ? trace_hardirqs_off_caller+0xbb/0x300 [ 236.972414] ? trace_hardirqs_off_caller+0xbb/0x300 [ 236.977442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.982289] ? trace_hardirqs_off+0x300/0x300 [ 236.986783] ? trace_hardirqs_off+0x300/0x300 [ 236.991281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.996821] ? check_preemption_disabled+0x48/0x200 [ 237.001840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.007390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.012256] apic_timer_interrupt+0xf/0x20 [ 237.016489] [ 237.018736] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 237.023671] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 237.042582] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 237.050299] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 237.057570] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 237.064841] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 237.072110] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 237.079379] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 237.086703] skb_clone+0x1bb/0x500 [ 237.090255] ? skb_split+0x11e0/0x11e0 [ 237.094157] ? dev_forward_skb+0x4c/0x60 [ 237.098226] ? __bpf_redirect+0x54b/0xb20 [ 237.102381] ? __switch_to_asm+0x34/0x70 [ 237.106456] bpf_clone_redirect+0xb9/0x490 [ 237.110704] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 237.115731] ? __sched_text_start+0x8/0x8 [ 237.119888] ? lockdep_hardirqs_on+0x421/0x5c0 [ 237.124476] ? retint_kernel+0x2d/0x2d [ 237.128371] ? trace_hardirqs_on_caller+0xc0/0x300 [ 237.133310] ? find_held_lock+0x36/0x1c0 [ 237.137379] ? lock_acquire+0x1ed/0x520 [ 237.141357] ? bpf_test_run+0x32e/0x5a0 [ 237.145340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.150882] ? check_preemption_disabled+0x48/0x200 [ 237.155911] ? kasan_check_read+0x11/0x20 [ 237.160069] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.165350] ? rcu_bh_qs+0xc0/0xc0 [ 237.168900] ? preempt_schedule+0x4d/0x60 [ 237.173056] ? ___preempt_schedule+0x16/0x18 [ 237.177478] ? bpf_test_run+0x1c0/0x5a0 [ 237.181463] ? netlink_diag_dump+0x2a0/0x2a0 [ 237.185881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.191418] ? bpf_test_init.isra.9+0x70/0x100 [ 237.196010] ? bpf_prog_test_run_skb+0x634/0xb40 [ 237.200776] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.205622] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.211164] ? fput+0x130/0x1a0 [ 237.214448] ? __bpf_prog_get+0x9b/0x290 [ 237.218545] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 237.223392] ? bpf_prog_test_run+0x130/0x1a0 [ 237.227806] ? __x64_sys_bpf+0x3d8/0x510 [ 237.231870] ? bpf_prog_get+0x20/0x20 [ 237.235680] ? ksys_ioctl+0x81/0xd0 [ 237.239324] ? do_syscall_64+0x1b9/0x820 [ 237.243412] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 237.248783] ? syscall_return_slowpath+0x5e0/0x5e0 [ 237.253717] ? trace_hardirqs_off+0x300/0x300 [ 237.258215] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 237.263240] ? recalc_sigpending_tsk+0x180/0x180 [ 237.268009] ? kasan_check_write+0x14/0x20 [ 237.272361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.277218] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 237.282609] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 237.282694] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 237.289536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.289542] Call Trace: [ 237.289549] [ 237.289566] dump_stack+0x1c4/0x2b4 [ 237.289584] ? dump_stack_print_info.cold.2+0x52/0x52 [ 237.296123] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 237.305417] warn_alloc.cold.118+0xb7/0x1bd [ 237.307975] syz-executor0 cpuset= [ 237.310125] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 237.313726] syz0 [ 237.318926] ? lock_downgrade+0x900/0x900 [ 237.329390] mems_allowed=0 [ 237.333706] ? trace_hardirqs_off+0xb8/0x300 [ 237.355412] ? trace_hardirqs_off+0xb8/0x300 [ 237.359841] __alloc_pages_slowpath+0x2667/0x2d80 [ 237.364729] ? warn_alloc+0x120/0x120 [ 237.368546] ? warn_alloc+0x120/0x120 [ 237.372356] ? print_usage_bug+0xc0/0xc0 [ 237.376420] ? warn_alloc+0x120/0x120 [ 237.380226] ? print_usage_bug+0xc0/0xc0 [ 237.384293] ? __lock_acquire+0x7ec/0x4ec0 [ 237.388528] ? __lock_acquire+0x7ec/0x4ec0 [ 237.392770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.398311] ? should_fail+0x22d/0xd01 [ 237.402212] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.407320] ? __lock_acquire+0x7ec/0x4ec0 [ 237.411565] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.416669] ? __lock_acquire+0x7ec/0x4ec0 [ 237.420908] ? should_fail+0x22d/0xd01 [ 237.424809] ? mark_held_locks+0x130/0x130 [ 237.429055] ? mark_held_locks+0x130/0x130 [ 237.433298] ? graph_lock+0x170/0x170 [ 237.437105] ? graph_lock+0x170/0x170 [ 237.440928] ? graph_lock+0x170/0x170 [ 237.444740] ? print_usage_bug+0xc0/0xc0 [ 237.448826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.454374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.459914] ? check_preemption_disabled+0x48/0x200 [ 237.464930] ? check_preemption_disabled+0x48/0x200 [ 237.469976] ? __lock_is_held+0xb5/0x140 [ 237.474062] __alloc_pages_nodemask+0xa80/0xde0 [ 237.478736] ? graph_lock+0x170/0x170 [ 237.482555] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 237.487572] ? graph_lock+0x170/0x170 [ 237.491385] ? find_held_lock+0x36/0x1c0 [ 237.495458] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.500135] ? lock_downgrade+0x900/0x900 [ 237.504297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.509842] cache_grow_begin+0x91/0x8c0 [ 237.513917] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.518339] fallback_alloc+0x203/0x2e0 [ 237.522327] ____cache_alloc_node+0x1c7/0x1e0 [ 237.526832] kmem_cache_alloc_node+0xe3/0x730 [ 237.531335] ? ipv6_get_ifaddr+0x42e/0x620 [ 237.535584] __alloc_skb+0x119/0x770 [ 237.539306] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.544597] ? skb_scrub_packet+0x490/0x490 [ 237.548939] ? lock_downgrade+0x900/0x900 [ 237.553107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.558653] ? refcount_sub_and_test_checked+0x203/0x310 [ 237.564119] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 237.569575] ? addrconf_rs_timer+0x6f0/0x6f0 [ 237.574012] ndisc_alloc_skb+0x144/0x340 [ 237.578084] ndisc_send_rs+0x331/0x6e0 [ 237.581988] addrconf_rs_timer+0x3c0/0x6f0 [ 237.586235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.590501] call_timer_fn+0x272/0x920 [ 237.594391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.598640] ? process_timeout+0x40/0x40 [ 237.602709] ? find_held_lock+0x36/0x1c0 [ 237.606795] ? mark_held_locks+0xc7/0x130 [ 237.610956] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.615467] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.619977] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.624218] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 237.628807] ? trace_hardirqs_on+0xbd/0x310 [ 237.633134] ? kasan_check_read+0x11/0x20 [ 237.637377] ? __run_timers+0x7da/0xc70 [ 237.641353] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.646812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.651059] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.655307] __run_timers+0x7e5/0xc70 [ 237.659129] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 237.664509] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.669533] ? graph_lock+0x170/0x170 [ 237.673343] ? print_usage_bug+0xc0/0xc0 [ 237.677410] ? lock_release+0x970/0x970 [ 237.681393] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 237.686592] ? find_held_lock+0x36/0x1c0 [ 237.690662] ? graph_lock+0x170/0x170 [ 237.694475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.700019] ? check_preemption_disabled+0x48/0x200 [ 237.705050] ? __lock_is_held+0xb5/0x140 [ 237.709122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.714674] ? check_preemption_disabled+0x48/0x200 [ 237.719712] run_timer_softirq+0x52/0xb0 [ 237.723797] ? rcu_read_lock_sched_held+0x108/0x120 [ 237.728838] __do_softirq+0x30b/0xad8 [ 237.732670] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 237.737792] ? pvclock_read_flags+0x160/0x160 [ 237.742296] ? lapic_next_event+0x5a/0x90 [ 237.746449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.752003] ? check_preemption_disabled+0x48/0x200 [ 237.757032] ? check_preemption_disabled+0x48/0x200 [ 237.762067] ? kvm_clock_read+0x18/0x30 [ 237.766055] ? kvm_sched_clock_read+0x9/0x20 [ 237.770475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.776026] ? check_preemption_disabled+0x48/0x200 [ 237.781077] irq_exit+0x17f/0x1c0 [ 237.784550] smp_apic_timer_interrupt+0x1cb/0x760 [ 237.789406] ? smp_call_function_single_interrupt+0x650/0x650 [ 237.795298] ? interrupt_entry+0xb5/0xf0 [ 237.799368] ? trace_hardirqs_off_caller+0xbb/0x300 [ 237.804386] ? trace_hardirqs_off_caller+0xbb/0x300 [ 237.809410] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.814262] ? trace_hardirqs_off+0x300/0x300 [ 237.818774] ? trace_hardirqs_off+0x300/0x300 [ 237.823284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.829032] ? check_preemption_disabled+0x48/0x200 [ 237.834052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.839604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.844464] apic_timer_interrupt+0xf/0x20 [ 237.848702] [ 237.850951] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 237.856334] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 237.875253] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 237.882984] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 237.890260] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 237.897535] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 237.904810] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 237.912085] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 237.919384] ? page_evictable+0x35d/0x540 [ 237.923551] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.929094] page_evictable+0x36b/0x540 [ 237.933073] ? kswapd_stop+0x100/0x100 [ 237.936985] ? ___might_sleep+0x1ed/0x300 [ 237.941140] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.946606] ? arch_local_save_flags+0x40/0x40 [ 237.951205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.956762] ? check_preemption_disabled+0x48/0x200 [ 237.962318] shrink_active_list+0x845/0x1c20 [ 237.966754] ? free_unref_page_list+0xc0f/0x11e0 [ 237.971551] ? shrink_inactive_list+0x1c60/0x1c60 [ 237.976419] ? graph_lock+0x170/0x170 [ 237.980228] ? __page_frag_cache_drain+0x200/0x200 [ 237.985162] ? print_usage_bug+0xc0/0xc0 [ 237.989245] ? find_held_lock+0x36/0x1c0 [ 237.993315] ? graph_lock+0x170/0x170 [ 237.997122] ? mark_held_locks+0xc7/0x130 [ 238.001277] ? check_preemption_disabled+0x48/0x200 [ 238.006294] ? check_preemption_disabled+0x48/0x200 [ 238.011324] ? graph_lock+0x170/0x170 [ 238.015131] ? __lock_is_held+0xb5/0x140 [ 238.019202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.024753] ? check_preemption_disabled+0x48/0x200 [ 238.029789] ? __lock_is_held+0xb5/0x140 [ 238.033869] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 238.038892] ? inactive_list_is_low+0x305/0x880 [ 238.043576] ? lruvec_lru_size+0x450/0x450 [ 238.047811] ? kasan_check_read+0x11/0x20 [ 238.051985] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 238.056969] shrink_node_memcg+0x803/0x18e0 [ 238.061327] ? shrink_active_list+0x1c20/0x1c20 [ 238.066030] ? lockdep_hardirqs_on+0x421/0x5c0 [ 238.070624] ? trace_hardirqs_on+0xbd/0x310 [ 238.074953] ? vmpressure+0x294/0x310 [ 238.078779] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.084281] shrink_node+0x3bc/0x16b0 [ 238.088095] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 238.093406] ? shrink_node_memcg+0x18e0/0x18e0 [ 238.098007] ? lockdep_hardirqs_on+0x421/0x5c0 [ 238.102604] ? trace_hardirqs_on+0xbd/0x310 [ 238.106945] ? vmpressure+0x294/0x310 [ 238.110770] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.115182] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 238.119778] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 238.125323] ? __cpuset_node_allowed+0x19b/0x660 [ 238.130086] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 238.135805] ? vmpressure+0x1c9/0x310 [ 238.139618] do_try_to_free_pages+0x3e7/0x1290 [ 238.144227] ? shrink_node+0x16b0/0x16b0 [ 238.148300] ? __lock_is_held+0xb5/0x140 [ 238.152383] try_to_free_pages+0x4d0/0xb90 [ 238.156628] ? do_try_to_free_pages+0x1290/0x1290 [ 238.161483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.167054] ? lock_acquire+0x1ed/0x520 [ 238.171042] ? set_page_refcounted+0x280/0x280 [ 238.175657] ? lock_release+0x970/0x970 [ 238.179655] ? ___might_sleep+0x1ed/0x300 [ 238.183809] ? arch_local_save_flags+0x40/0x40 [ 238.188411] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 238.193440] ? __radix_tree_lookup+0x358/0x4c0 [ 238.198061] __alloc_pages_slowpath+0x993/0x2d80 [ 238.202871] ? kasan_check_read+0x11/0x20 [ 238.207052] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.212359] ? warn_alloc+0x120/0x120 [ 238.216183] ? __radix_tree_lookup+0x4c0/0x4c0 [ 238.220805] ? find_get_entry+0x2f2/0xc40 [ 238.224989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.230543] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 238.235487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.241035] ? should_fail+0x22d/0xd01 [ 238.244936] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.250054] ? __lock_is_held+0xb5/0x140 [ 238.254120] ? graph_lock+0x170/0x170 [ 238.257928] ? graph_lock+0x170/0x170 [ 238.261767] ? __lock_is_held+0xb5/0x140 [ 238.265842] ? __lock_acquire+0x7ec/0x4ec0 [ 238.270104] ? ___might_sleep+0x1ed/0x300 [ 238.274251] ? lock_release+0x970/0x970 [ 238.278228] ? arch_local_save_flags+0x40/0x40 [ 238.282823] ? __might_sleep+0x95/0x190 [ 238.286817] __alloc_pages_nodemask+0xa80/0xde0 [ 238.291513] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.296556] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.302359] ? kasan_check_read+0x11/0x20 [ 238.306521] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.311807] ? graph_lock+0x170/0x170 [ 238.315610] ? print_usage_bug+0xc0/0xc0 [ 238.319677] ? graph_lock+0x170/0x170 [ 238.323490] ? graph_lock+0x170/0x170 [ 238.327300] ? __do_page_cache_readahead+0x7ce/0x980 [ 238.332426] ? find_held_lock+0x36/0x1c0 [ 238.336525] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 238.342077] alloc_pages_current+0x10c/0x210 [ 238.346494] ? lock_downgrade+0x900/0x900 [ 238.350654] __page_cache_alloc+0x38f/0x5b0 [ 238.355000] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.360809] ? kasan_check_read+0x11/0x20 [ 238.364975] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.370267] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 238.374949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.380503] ? check_preemption_disabled+0x48/0x200 [ 238.385534] filemap_fault+0x1594/0x25f0 [ 238.389617] ? __lock_page_or_retry+0xa00/0xa00 [ 238.394294] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.400093] ? kasan_check_read+0x11/0x20 [ 238.404253] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.409534] ? rcu_bh_qs+0xc0/0xc0 [ 238.413087] ? print_usage_bug+0xc0/0xc0 [ 238.417164] ? filemap_map_pages+0xdea/0x1980 [ 238.421683] ? print_usage_bug+0xc0/0xc0 [ 238.425788] ? find_get_pages_range_tag+0x1320/0x1320 [ 238.431005] ? print_usage_bug+0xc0/0xc0 [ 238.435078] ? __lock_acquire+0x7ec/0x4ec0 [ 238.439319] ? graph_lock+0x170/0x170 [ 238.443124] ? __sigqueue_free.part.27+0x7d/0xa0 [ 238.447888] ? __lock_acquire+0x7ec/0x4ec0 [ 238.452140] ? lock_acquire+0x1ed/0x520 [ 238.456119] ? ext4_filemap_fault+0x7a/0xad [ 238.460450] ? lock_release+0x970/0x970 [ 238.464429] ? arch_local_save_flags+0x40/0x40 [ 238.469020] ? mark_held_locks+0x130/0x130 [ 238.473274] ? down_read+0xb0/0x1d0 [ 238.476903] ? ext4_filemap_fault+0x7a/0xad [ 238.481230] ? __down_interruptible+0x700/0x700 [ 238.485904] ? graph_lock+0x170/0x170 [ 238.489717] ? __sigqueue_free.part.27+0x7d/0xa0 [ 238.494497] ext4_filemap_fault+0x82/0xad [ 238.498659] __do_fault+0x100/0x6b0 [ 238.502294] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.507597] ? print_bad_pte+0x6c0/0x6c0 [ 238.511679] ? pmd_val+0x88/0x100 [ 238.515142] ? add_mm_counter_fast+0xd0/0xd0 [ 238.519557] ? pmd_val+0x88/0x100 [ 238.523023] ? add_mm_counter_fast+0xd0/0xd0 [ 238.527448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.533014] __handle_mm_fault+0x3709/0x53e0 [ 238.537447] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 238.542301] ? graph_lock+0x170/0x170 [ 238.546110] ? print_usage_bug+0xc0/0xc0 [ 238.550185] ? graph_lock+0x170/0x170 [ 238.553997] ? graph_lock+0x170/0x170 [ 238.557823] ? handle_mm_fault+0x42a/0xc70 [ 238.562066] ? lock_downgrade+0x900/0x900 [ 238.566215] ? check_preemption_disabled+0x48/0x200 [ 238.571248] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.577056] ? kasan_check_read+0x11/0x20 [ 238.581225] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.586524] ? rcu_bh_qs+0xc0/0xc0 [ 238.590074] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.595534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.601077] ? check_preemption_disabled+0x48/0x200 [ 238.606112] handle_mm_fault+0x54f/0xc70 [ 238.610185] ? __handle_mm_fault+0x53e0/0x53e0 [ 238.614789] ? find_vma+0x34/0x190 [ 238.618345] __do_page_fault+0x67d/0xed0 [ 238.622422] ? mm_fault_error+0x380/0x380 [ 238.626581] ? syscall_slow_exit_work+0x520/0x520 [ 238.631432] do_page_fault+0xf2/0x7e0 [ 238.635240] ? vmalloc_sync_all+0x30/0x30 [ 238.639396] ? error_entry+0x70/0xd0 [ 238.643115] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.648139] ? trace_hardirqs_on_caller+0xc0/0x300 [ 238.653076] ? syscall_return_slowpath+0x5e0/0x5e0 [ 238.658012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.662861] ? trace_hardirqs_off+0x300/0x300 [ 238.667367] ? trace_hardirqs_off_caller+0x300/0x300 [ 238.672485] ? prepare_exit_to_usermode+0x291/0x3b0 [ 238.677511] ? page_fault+0x8/0x30 [ 238.681077] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.685950] ? page_fault+0x8/0x30 [ 238.689517] page_fault+0x1e/0x30 [ 238.692980] RIP: 0033:0x45db60 [ 238.696190] Code: Bad RIP value. [ 238.699551] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 238.704915] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 238.712186] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 238.719455] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 238.726724] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 238.734001] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 238.741304] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 238.741310] warn_alloc_show_mem: 1 callbacks suppressed [ 238.741317] Mem-Info: [ 238.748516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.753894] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 238.753894] active_file:15 inactive_file:16 isolated_file:2 [ 238.753894] unevictable:0 dirty:0 writeback:0 unstable:0 [ 238.753894] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 238.753894] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 238.753894] free:13788 free_pcp:262 free_cma:0 [ 238.756268] Call Trace: [ 238.765662] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 238.798530] [ 238.801105] Node 0 [ 238.828799] dump_stack+0x1c4/0x2b4 [ 238.830948] 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 [ 238.833158] ? dump_stack_print_info.cold.2+0x52/0x52 [ 238.836768] lowmem_reserve[]: [ 238.862304] warn_alloc.cold.118+0xb7/0x1bd [ 238.867459] 0 [ 238.870564] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.874854] 2815 6318 [ 238.876663] ? lock_downgrade+0x900/0x900 [ 238.881482] 6318 [ 238.883997] ? trace_hardirqs_off+0xb8/0x300 [ 238.888113] Node 0 [ 238.890179] ? trace_hardirqs_off+0xb8/0x300 [ 238.894585] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 238.896801] __alloc_pages_slowpath+0x2667/0x2d80 [ 238.901176] lowmem_reserve[]: 0 [ 238.928228] ? warn_alloc+0x120/0x120 [ 238.933033] 0 [ 238.936337] ? warn_alloc+0x120/0x120 [ 238.940104] 3503 3503 [ 238.941926] ? print_usage_bug+0xc0/0xc0 [ 238.948201] ? warn_alloc+0x120/0x120 [ 238.952238] Node 0 Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 238.956080] ? print_usage_bug+0xc0/0xc0 [ 238.956096] ? __lock_acquire+0x7ec/0x4ec0 [ 238.985060] lowmem_reserve[]: 0 [ 238.989158] ? __lock_acquire+0x7ec/0x4ec0 [ 238.993367] 0 [ 238.996650] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.000850] 0 [ 239.002651] ? should_fail+0x22d/0xd01 [ 239.008158] 0 [ 239.009990] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.013855] Node 0 [ 239.015666] ? __lock_acquire+0x7ec/0x4ec0 [ 239.020742] DMA: [ 239.022994] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.027204] 1*4kB [ 239.029265] ? __lock_acquire+0x7ec/0x4ec0 [ 239.034336] (U) [ 239.036498] ? should_fail+0x22d/0xd01 [ 239.040753] 0*8kB [ 239.042733] ? mark_held_locks+0x130/0x130 [ 239.046578] 0*16kB 1*32kB [ 239.048736] ? mark_held_locks+0x130/0x130 [ 239.052947] (U) [ 239.055798] ? graph_lock+0x170/0x170 [ 239.060006] 2*64kB (U) [ 239.061999] ? graph_lock+0x170/0x170 [ 239.065772] 1*128kB (U) [ 239.068368] ? graph_lock+0x170/0x170 [ 239.072160] 1*256kB [ 239.074834] ? print_usage_bug+0xc0/0xc0 [ 239.078607] (U) [ 239.080935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.084969] 0*512kB 1*1024kB [ 239.086979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.092489] (U) [ 239.095595] ? check_preemption_disabled+0x48/0x200 [ 239.101105] 1*2048kB [ 239.103074] ? check_preemption_disabled+0x48/0x200 [ 239.108068] (M) [ 239.110483] ? __lock_is_held+0xb5/0x140 [ 239.115463] 3*4096kB [ 239.117438] __alloc_pages_nodemask+0xa80/0xde0 [ 239.121469] (M) [ 239.123875] ? graph_lock+0x170/0x170 [ 239.128519] = 15908kB [ 239.130492] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 239.134264] Node 0 [ 239.136668] ? graph_lock+0x170/0x170 [ 239.136693] ? find_held_lock+0x36/0x1c0 [ 239.141693] DMA32: [ 239.143933] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.147700] 3*4kB [ 239.151757] ? lock_downgrade+0x900/0x900 [ 239.153988] (M) [ 239.158662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.160783] 2*8kB [ 239.164937] cache_grow_begin+0x91/0x8c0 [ 239.166886] (M) [ 239.172422] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.174539] 1*16kB (M) [ 239.178611] fallback_alloc+0x203/0x2e0 [ 239.180563] 1*32kB [ 239.184981] ____cache_alloc_node+0x1c7/0x1e0 [ 239.187540] (M) [ 239.191512] kmem_cache_alloc_node+0xe3/0x730 [ 239.193723] 3*64kB [ 239.198218] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.200166] (UM) [ 239.204666] __alloc_skb+0x119/0x770 [ 239.206874] 3*128kB [ 239.211110] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.213141] (M) [ 239.216852] ? skb_scrub_packet+0x490/0x490 [ 239.219153] 2*256kB [ 239.224426] ? lock_downgrade+0x900/0x900 [ 239.226405] (M) [ 239.230729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.233025] 3*512kB [ 239.237173] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.239120] (M) [ 239.244654] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.246957] 4*1024kB [ 239.252420] ? addrconf_rs_timer+0x6f0/0x6f0 [ 239.254366] (UM) [ 239.259823] ndisc_alloc_skb+0x144/0x340 [ 239.262203] 3*2048kB [ 239.266611] ndisc_send_rs+0x331/0x6e0 [ 239.268652] (UM) [ 239.272710] addrconf_rs_timer+0x3c0/0x6f0 [ 239.275091] 3*4096kB (M) [ 239.278992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.281027] = 25228kB [ 239.281036] Node 0 [ 239.285280] call_timer_fn+0x272/0x920 [ 239.288007] Normal: [ 239.292236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.294622] 866*4kB [ 239.296859] ? process_timeout+0x40/0x40 [ 239.300719] (ME) [ 239.303042] ? find_held_lock+0x36/0x1c0 [ 239.307245] 469*8kB (UME) 197*16kB [ 239.309587] ? __run_timers+0x7da/0xc70 [ 239.313614] (UME) [ 239.315692] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.319718] 59*32kB (UME) [ 239.323355] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.327297] 18*64kB (ME) [ 239.329454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.333920] 3*128kB (M) [ 239.336777] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 239.341242] 1*256kB [ 239.344005] ? trace_hardirqs_on+0xbd/0x310 [ 239.348212] (U) [ 239.350879] ? kasan_check_read+0x11/0x20 [ 239.355436] 0*512kB [ 239.357758] ? __run_timers+0x7da/0xc70 [ 239.362054] 0*1024kB [ 239.364039] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.368155] 0*2048kB 0*4096kB [ 239.370491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.374434] = 14048kB [ 239.376842] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.382272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 239.385459] __run_timers+0x7e5/0xc70 [ 239.389668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 239.392077] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 239.396280] 412 total pagecache pages [ 239.405119] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 239.408902] 0 pages in swap cache [ 239.417483] ? graph_lock+0x170/0x170 [ 239.422827] Swap cache stats: add 0, delete 0, find 0/0 [ 239.426626] ? enqueue_hrtimer+0x1a5/0x560 [ 239.431612] Free swap = 0kB [ 239.435070] ? lock_release+0x970/0x970 [ 239.438842] Total swap = 0kB [ 239.444207] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 239.448412] 1965979 pages RAM [ 239.451432] ? find_held_lock+0x36/0x1c0 [ 239.455371] 0 pages HighMem/MovableOnly [ 239.455381] 343323 pages reserved [ 239.458401] ? graph_lock+0x170/0x170 [ 239.463562] 0 pages cma reserved [ 239.463651] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.466675] ? pvclock_read_flags+0x160/0x160 [ 239.470826] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.474687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.478116] syz-fuzzer cpuset= [ 239.481918] ? check_preemption_disabled+0x48/0x200 [ 239.485260] / [ 239.492202] ? __lock_is_held+0xb5/0x140 [ 239.496663] mems_allowed=0 [ 239.507000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.534888] ? check_preemption_disabled+0x48/0x200 [ 239.539918] run_timer_softirq+0x52/0xb0 [ 239.543994] ? rcu_read_lock_sched_held+0x108/0x120 [ 239.549015] __do_softirq+0x30b/0xad8 [ 239.552829] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 239.557942] ? pvclock_read_flags+0x160/0x160 [ 239.562449] ? lapic_next_event+0x5a/0x90 [ 239.566602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.572143] ? check_preemption_disabled+0x48/0x200 [ 239.577159] ? check_preemption_disabled+0x48/0x200 [ 239.582186] ? kvm_clock_read+0x18/0x30 [ 239.586162] ? kvm_sched_clock_read+0x9/0x20 [ 239.590581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.596123] ? check_preemption_disabled+0x48/0x200 [ 239.601158] irq_exit+0x17f/0x1c0 [ 239.604620] smp_apic_timer_interrupt+0x1cb/0x760 [ 239.609463] ? smp_reschedule_interrupt+0x109/0x650 [ 239.614482] ? smp_call_function_single_interrupt+0x650/0x650 [ 239.620372] ? interrupt_entry+0xb5/0xf0 [ 239.624443] ? trace_hardirqs_off_caller+0xbb/0x300 [ 239.629465] ? trace_hardirqs_off_caller+0xbb/0x300 [ 239.634488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.639336] ? trace_hardirqs_off+0x300/0x300 [ 239.643831] ? trace_hardirqs_off+0x300/0x300 [ 239.648341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.653886] ? check_preemption_disabled+0x48/0x200 [ 239.658913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.664462] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.669319] apic_timer_interrupt+0xf/0x20 [ 239.673559] [ 239.675805] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 239.680737] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 239.699647] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 239.707363] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 239.714634] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 239.721902] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 239.729171] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 239.736440] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 239.743762] skb_clone+0x1bb/0x500 [ 239.747322] ? skb_split+0x11e0/0x11e0 [ 239.751224] ? dev_forward_skb+0x4c/0x60 [ 239.755302] ? __bpf_redirect+0x54b/0xb20 [ 239.759453] ? __switch_to_asm+0x34/0x70 [ 239.763527] bpf_clone_redirect+0xb9/0x490 [ 239.767777] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 239.772802] ? __sched_text_start+0x8/0x8 [ 239.776971] ? lockdep_hardirqs_on+0x421/0x5c0 [ 239.781567] ? retint_kernel+0x2d/0x2d [ 239.785485] ? trace_hardirqs_on_caller+0xc0/0x300 [ 239.790426] ? find_held_lock+0x36/0x1c0 [ 239.794498] ? lock_acquire+0x1ed/0x520 [ 239.798479] ? bpf_test_run+0x32e/0x5a0 [ 239.802461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.808008] ? check_preemption_disabled+0x48/0x200 [ 239.813037] ? kasan_check_read+0x11/0x20 [ 239.817190] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.822478] ? rcu_bh_qs+0xc0/0xc0 [ 239.826025] ? preempt_schedule+0x4d/0x60 [ 239.830625] ? ___preempt_schedule+0x16/0x18 [ 239.835050] ? bpf_test_run+0x1c0/0x5a0 [ 239.839037] ? netlink_diag_dump+0x2a0/0x2a0 [ 239.843454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.849010] ? bpf_test_init.isra.9+0x70/0x100 [ 239.853604] ? bpf_prog_test_run_skb+0x634/0xb40 [ 239.858372] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 239.863217] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 239.868773] ? fput+0x130/0x1a0 [ 239.872059] ? __bpf_prog_get+0x9b/0x290 [ 239.876126] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 239.880976] ? bpf_prog_test_run+0x130/0x1a0 [ 239.885396] ? __x64_sys_bpf+0x3d8/0x510 [ 239.889460] ? bpf_prog_get+0x20/0x20 [ 239.893282] ? ksys_ioctl+0x81/0xd0 [ 239.896926] ? do_syscall_64+0x1b9/0x820 [ 239.901003] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 239.906380] ? syscall_return_slowpath+0x5e0/0x5e0 [ 239.911315] ? trace_hardirqs_off+0x300/0x300 [ 239.915815] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 239.920832] ? recalc_sigpending_tsk+0x180/0x180 [ 239.925596] ? kasan_check_write+0x14/0x20 [ 239.929840] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.934700] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 239.940103] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 239.940189] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.947033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.947039] Call Trace: [ 239.947047] [ 239.947066] dump_stack+0x1c4/0x2b4 [ 239.947084] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.953626] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.963475] warn_alloc.cold.118+0xb7/0x1bd [ 239.966028] syz-executor0 cpuset= [ 239.968177] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.971775] syz0 [ 239.976970] ? lock_downgrade+0x900/0x900 [ 239.987431] mems_allowed=0 [ 239.991759] ? trace_hardirqs_off+0xb8/0x300 [ 240.013429] ? trace_hardirqs_off+0xb8/0x300 [ 240.017863] __alloc_pages_slowpath+0x2667/0x2d80 [ 240.022742] ? warn_alloc+0x120/0x120 [ 240.026562] ? trace_hardirqs_on+0x310/0x310 [ 240.030984] ? warn_alloc+0x120/0x120 [ 240.034793] ? print_usage_bug+0xc0/0xc0 [ 240.038860] ? warn_alloc+0x120/0x120 [ 240.042663] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 240.047686] ? print_usage_bug+0xc0/0xc0 [ 240.051760] ? __lock_acquire+0x7ec/0x4ec0 [ 240.056003] ? __lock_acquire+0x7ec/0x4ec0 [ 240.060247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.065807] ? should_fail+0x22d/0xd01 [ 240.069708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.074820] ? __lock_acquire+0x7ec/0x4ec0 [ 240.079071] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.084183] ? __lock_acquire+0x7ec/0x4ec0 [ 240.088427] ? should_fail+0x22d/0xd01 [ 240.092327] ? print_usage_bug+0xc0/0xc0 [ 240.096408] ? mark_held_locks+0x130/0x130 [ 240.100660] ? mark_held_locks+0x130/0x130 [ 240.104918] ? graph_lock+0x170/0x170 [ 240.108737] ? print_usage_bug+0xc0/0xc0 [ 240.112809] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.117574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.123114] ? check_preemption_disabled+0x48/0x200 [ 240.128129] ? check_preemption_disabled+0x48/0x200 [ 240.133165] ? __lock_is_held+0xb5/0x140 [ 240.137242] __alloc_pages_nodemask+0xa80/0xde0 [ 240.141913] ? graph_lock+0x170/0x170 [ 240.145723] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.150751] ? graph_lock+0x170/0x170 [ 240.154570] ? find_held_lock+0x36/0x1c0 [ 240.158648] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.163323] ? lock_downgrade+0x900/0x900 [ 240.167495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.173054] cache_grow_begin+0x91/0x8c0 [ 240.177129] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.181559] fallback_alloc+0x203/0x2e0 [ 240.185564] ____cache_alloc_node+0x1c7/0x1e0 [ 240.190076] kmem_cache_alloc_node+0xe3/0x730 [ 240.194580] ? ipv6_get_ifaddr+0x42e/0x620 [ 240.198837] __alloc_skb+0x119/0x770 [ 240.202562] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.207848] ? skb_scrub_packet+0x490/0x490 [ 240.212178] ? lock_downgrade+0x900/0x900 [ 240.216340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.221881] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.227341] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.232799] ? addrconf_rs_timer+0x6f0/0x6f0 [ 240.237229] ndisc_alloc_skb+0x144/0x340 [ 240.241303] ndisc_send_rs+0x331/0x6e0 [ 240.245199] addrconf_rs_timer+0x3c0/0x6f0 [ 240.249445] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.253699] call_timer_fn+0x272/0x920 [ 240.257593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.261851] ? process_timeout+0x40/0x40 [ 240.265919] ? find_held_lock+0x36/0x1c0 [ 240.270002] ? mark_held_locks+0xc7/0x130 [ 240.274156] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.278651] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.283152] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.287391] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 240.291984] ? trace_hardirqs_on+0xbd/0x310 [ 240.296310] ? kasan_check_read+0x11/0x20 [ 240.300474] ? __run_timers+0x7da/0xc70 [ 240.304463] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.309934] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.314205] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.318451] __run_timers+0x7e5/0xc70 [ 240.322273] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 240.327650] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.332682] ? graph_lock+0x170/0x170 [ 240.336521] ? print_usage_bug+0xc0/0xc0 [ 240.340592] ? lock_release+0x970/0x970 [ 240.344574] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 240.349782] ? find_held_lock+0x36/0x1c0 [ 240.353856] ? graph_lock+0x170/0x170 [ 240.357664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.363216] ? check_preemption_disabled+0x48/0x200 [ 240.368252] ? __lock_is_held+0xb5/0x140 [ 240.372319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.377870] ? check_preemption_disabled+0x48/0x200 [ 240.382906] run_timer_softirq+0x52/0xb0 [ 240.386980] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.392012] __do_softirq+0x30b/0xad8 [ 240.395833] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 240.400954] ? pvclock_read_flags+0x160/0x160 [ 240.405465] ? lapic_next_event+0x5a/0x90 [ 240.409618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.415161] ? check_preemption_disabled+0x48/0x200 [ 240.420182] ? check_preemption_disabled+0x48/0x200 [ 240.425211] ? kvm_clock_read+0x18/0x30 [ 240.429187] ? kvm_sched_clock_read+0x9/0x20 [ 240.433598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.439138] ? check_preemption_disabled+0x48/0x200 [ 240.444173] irq_exit+0x17f/0x1c0 [ 240.447637] smp_apic_timer_interrupt+0x1cb/0x760 [ 240.452489] ? smp_call_function_single_interrupt+0x650/0x650 [ 240.458375] ? interrupt_entry+0xb5/0xf0 [ 240.462442] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.467460] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.472479] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.477327] ? trace_hardirqs_off+0x300/0x300 [ 240.481822] ? trace_hardirqs_off+0x300/0x300 [ 240.486323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.491860] ? check_preemption_disabled+0x48/0x200 [ 240.496879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.502427] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.507286] apic_timer_interrupt+0xf/0x20 [ 240.511514] [ 240.513767] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 240.519136] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 240.538048] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 240.545768] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 240.553040] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 240.560312] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 240.567585] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 240.574854] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 240.582156] ? page_evictable+0x35d/0x540 [ 240.586328] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 240.591869] page_evictable+0x36b/0x540 [ 240.595852] ? kswapd_stop+0x100/0x100 [ 240.599755] ? ___might_sleep+0x1ed/0x300 [ 240.603905] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.609384] ? arch_local_save_flags+0x40/0x40 [ 240.613985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.619529] ? check_preemption_disabled+0x48/0x200 [ 240.624559] shrink_active_list+0x845/0x1c20 [ 240.628982] ? free_unref_page_list+0xc0f/0x11e0 [ 240.633773] ? shrink_inactive_list+0x1c60/0x1c60 [ 240.638635] ? graph_lock+0x170/0x170 [ 240.642446] ? __page_frag_cache_drain+0x200/0x200 [ 240.647384] ? print_usage_bug+0xc0/0xc0 [ 240.651473] ? find_held_lock+0x36/0x1c0 [ 240.655539] ? graph_lock+0x170/0x170 [ 240.659346] ? mark_held_locks+0xc7/0x130 [ 240.663500] ? check_preemption_disabled+0x48/0x200 [ 240.668518] ? check_preemption_disabled+0x48/0x200 [ 240.673547] ? graph_lock+0x170/0x170 [ 240.677354] ? __lock_is_held+0xb5/0x140 [ 240.681424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.686970] ? check_preemption_disabled+0x48/0x200 [ 240.692010] ? __lock_is_held+0xb5/0x140 [ 240.696092] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.701117] ? inactive_list_is_low+0x305/0x880 [ 240.705801] ? lruvec_lru_size+0x450/0x450 [ 240.710038] ? kasan_check_read+0x11/0x20 [ 240.714203] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 240.719151] shrink_node_memcg+0x803/0x18e0 [ 240.723495] ? shrink_active_list+0x1c20/0x1c20 [ 240.728180] ? lockdep_hardirqs_on+0x421/0x5c0 [ 240.732772] ? trace_hardirqs_on+0xbd/0x310 [ 240.737107] ? vmpressure+0x294/0x310 [ 240.740917] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.746401] shrink_node+0x3bc/0x16b0 [ 240.750214] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 240.755530] ? shrink_node_memcg+0x18e0/0x18e0 [ 240.760117] ? lockdep_hardirqs_on+0x421/0x5c0 [ 240.764707] ? trace_hardirqs_on+0xbd/0x310 [ 240.769039] ? vmpressure+0x294/0x310 [ 240.772851] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.777276] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 240.781883] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 240.787434] ? __cpuset_node_allowed+0x19b/0x660 [ 240.792204] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 240.797920] ? vmpressure+0x1c9/0x310 [ 240.801735] do_try_to_free_pages+0x3e7/0x1290 [ 240.806350] ? shrink_node+0x16b0/0x16b0 [ 240.810420] ? __lock_is_held+0xb5/0x140 [ 240.814500] try_to_free_pages+0x4d0/0xb90 [ 240.818752] ? do_try_to_free_pages+0x1290/0x1290 [ 240.823601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.829155] ? lock_acquire+0x1ed/0x520 [ 240.833138] ? set_page_refcounted+0x280/0x280 [ 240.837730] ? lock_release+0x970/0x970 [ 240.841720] ? ___might_sleep+0x1ed/0x300 [ 240.845884] ? arch_local_save_flags+0x40/0x40 [ 240.850479] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.855509] ? __radix_tree_lookup+0x358/0x4c0 [ 240.860114] __alloc_pages_slowpath+0x993/0x2d80 [ 240.864900] ? kasan_check_read+0x11/0x20 [ 240.869058] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.874341] ? warn_alloc+0x120/0x120 [ 240.878147] ? __radix_tree_lookup+0x4c0/0x4c0 [ 240.882754] ? find_get_entry+0x2f2/0xc40 [ 240.886915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.892475] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 240.897407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.902951] ? should_fail+0x22d/0xd01 [ 240.906856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.911972] ? __lock_is_held+0xb5/0x140 [ 240.916040] ? graph_lock+0x170/0x170 [ 240.919849] ? graph_lock+0x170/0x170 [ 240.923670] ? __lock_is_held+0xb5/0x140 [ 240.927741] ? __lock_acquire+0x7ec/0x4ec0 [ 240.931997] ? ___might_sleep+0x1ed/0x300 [ 240.936150] ? lock_release+0x970/0x970 [ 240.940136] ? arch_local_save_flags+0x40/0x40 [ 240.944738] ? __might_sleep+0x95/0x190 [ 240.948737] __alloc_pages_nodemask+0xa80/0xde0 [ 240.953435] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.958460] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.964260] ? kasan_check_read+0x11/0x20 [ 240.968418] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.973702] ? graph_lock+0x170/0x170 [ 240.977506] ? print_usage_bug+0xc0/0xc0 [ 240.981575] ? graph_lock+0x170/0x170 [ 240.985376] ? graph_lock+0x170/0x170 [ 240.989179] ? __do_page_cache_readahead+0x7ce/0x980 [ 240.994293] ? find_held_lock+0x36/0x1c0 [ 240.998364] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 241.003912] alloc_pages_current+0x10c/0x210 [ 241.008342] ? lock_downgrade+0x900/0x900 [ 241.012519] __page_cache_alloc+0x38f/0x5b0 [ 241.016852] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 241.022648] ? kasan_check_read+0x11/0x20 [ 241.026799] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.032084] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 241.036765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.042313] ? check_preemption_disabled+0x48/0x200 [ 241.047344] filemap_fault+0x1594/0x25f0 [ 241.051426] ? __lock_page_or_retry+0xa00/0xa00 [ 241.056097] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 241.061893] ? kasan_check_read+0x11/0x20 [ 241.066046] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.071328] ? rcu_bh_qs+0xc0/0xc0 [ 241.074875] ? print_usage_bug+0xc0/0xc0 [ 241.078944] ? filemap_map_pages+0xdea/0x1980 [ 241.083456] ? print_usage_bug+0xc0/0xc0 [ 241.087527] ? find_get_pages_range_tag+0x1320/0x1320 [ 241.092722] ? print_usage_bug+0xc0/0xc0 [ 241.096787] ? __lock_acquire+0x7ec/0x4ec0 [ 241.101030] ? graph_lock+0x170/0x170 [ 241.104840] ? __sigqueue_free.part.27+0x7d/0xa0 [ 241.109606] ? __lock_acquire+0x7ec/0x4ec0 [ 241.113872] ? lock_acquire+0x1ed/0x520 [ 241.117849] ? ext4_filemap_fault+0x7a/0xad [ 241.122180] ? lock_release+0x970/0x970 [ 241.126158] ? arch_local_save_flags+0x40/0x40 [ 241.130744] ? mark_held_locks+0x130/0x130 [ 241.135010] ? down_read+0xb0/0x1d0 [ 241.138638] ? ext4_filemap_fault+0x7a/0xad [ 241.142960] ? __down_interruptible+0x700/0x700 [ 241.147640] ? graph_lock+0x170/0x170 [ 241.151446] ? __sigqueue_free.part.27+0x7d/0xa0 [ 241.156216] ext4_filemap_fault+0x82/0xad [ 241.160372] __do_fault+0x100/0x6b0 [ 241.164004] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.169287] ? print_bad_pte+0x6c0/0x6c0 [ 241.173356] ? pmd_val+0x88/0x100 [ 241.176821] ? add_mm_counter_fast+0xd0/0xd0 [ 241.181230] ? pmd_val+0x88/0x100 [ 241.184686] ? add_mm_counter_fast+0xd0/0xd0 [ 241.189106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.194650] __handle_mm_fault+0x3709/0x53e0 [ 241.199071] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 241.203915] ? graph_lock+0x170/0x170 [ 241.207721] ? print_usage_bug+0xc0/0xc0 [ 241.211794] ? graph_lock+0x170/0x170 [ 241.215594] ? graph_lock+0x170/0x170 [ 241.219416] ? handle_mm_fault+0x42a/0xc70 [ 241.223654] ? lock_downgrade+0x900/0x900 [ 241.227805] ? check_preemption_disabled+0x48/0x200 [ 241.232833] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 241.238629] ? kasan_check_read+0x11/0x20 [ 241.242784] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.248061] ? rcu_bh_qs+0xc0/0xc0 [ 241.251605] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.257058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.262596] ? check_preemption_disabled+0x48/0x200 [ 241.267627] handle_mm_fault+0x54f/0xc70 [ 241.271698] ? __handle_mm_fault+0x53e0/0x53e0 [ 241.276288] ? find_vma+0x34/0x190 [ 241.279837] __do_page_fault+0x67d/0xed0 [ 241.283907] ? mm_fault_error+0x380/0x380 [ 241.288061] ? syscall_slow_exit_work+0x520/0x520 [ 241.292939] do_page_fault+0xf2/0x7e0 [ 241.296758] ? vmalloc_sync_all+0x30/0x30 [ 241.300915] ? error_entry+0x70/0xd0 [ 241.304636] ? trace_hardirqs_off_caller+0xbb/0x300 [ 241.309650] ? trace_hardirqs_on_caller+0xc0/0x300 [ 241.314582] ? syscall_return_slowpath+0x5e0/0x5e0 [ 241.319517] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.324362] ? trace_hardirqs_off+0x300/0x300 [ 241.328857] ? trace_hardirqs_off_caller+0x300/0x300 [ 241.333980] ? prepare_exit_to_usermode+0x291/0x3b0 [ 241.339025] ? page_fault+0x8/0x30 [ 241.342602] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.347447] ? page_fault+0x8/0x30 [ 241.351003] page_fault+0x1e/0x30 [ 241.354457] RIP: 0033:0x45db60 [ 241.357660] Code: Bad RIP value. [ 241.361027] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 241.366396] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 241.373668] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 241.380940] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 241.388219] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 241.395488] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 241.402785] warn_alloc_show_mem: 1 callbacks suppressed [ 241.402797] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 241.402799] Mem-Info: [ 241.402831] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 241.402831] active_file:15 inactive_file:16 isolated_file:2 [ 241.402831] unevictable:0 dirty:0 writeback:0 unstable:0 [ 241.402831] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 241.402831] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 241.402831] free:13788 free_pcp:262 free_cma:0 [ 241.408170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.415361] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 241.417764] Call Trace: [ 241.450649] Node 0 [ 241.460005] [ 241.487694] 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 [ 241.490264] dump_stack+0x1c4/0x2b4 [ 241.492463] lowmem_reserve[]: [ 241.494610] ? dump_stack_print_info.cold.2+0x52/0x52 [ 241.520103] 0 [ 241.523746] warn_alloc.cold.118+0xb7/0x1bd [ 241.526812] 2815 [ 241.532013] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.533790] 6318 [ 241.538108] ? lock_downgrade+0x900/0x900 [ 241.540144] 6318 [ 241.544990] ? trace_hardirqs_off+0xb8/0x300 [ 241.551167] ? trace_hardirqs_off+0xb8/0x300 [ 241.553202] Node 0 [ 241.557610] __alloc_pages_slowpath+0x2667/0x2d80 [ 241.562022] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 241.564266] ? warn_alloc+0x120/0x120 [ 241.569050] lowmem_reserve[]: [ 241.596054] ? warn_alloc+0x120/0x120 [ 241.599842] 0 [ 241.602949] ? print_usage_bug+0xc0/0xc0 [ 241.606732] 0 [ 241.608530] ? warn_alloc+0x120/0x120 [ 241.612563] 3503 [ 241.614362] ? print_usage_bug+0xc0/0xc0 [ 241.618131] 3503 [ 241.620200] ? __lock_acquire+0x7ec/0x4ec0 [ 241.624246] Node 0 [ 241.626322] ? __lock_acquire+0x7ec/0x4ec0 [ 241.630548] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 241.632784] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.636996] lowmem_reserve[]: [ 241.665395] ? should_fail+0x22d/0xd01 [ 241.670912] 0 [ 241.674027] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.677879] 0 [ 241.679677] ? __lock_acquire+0x7ec/0x4ec0 [ 241.684767] 0 [ 241.686581] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.690776] 0 [ 241.692573] ? __lock_acquire+0x7ec/0x4ec0 [ 241.699465] ? should_fail+0x22d/0xd01 [ 241.703673] Node 0 DMA: [ 241.707573] ? mark_held_locks+0x130/0x130 [ 241.707577] 1*4kB (U) [ 241.710260] ? mark_held_locks+0x130/0x130 [ 241.714468] 0*8kB [ 241.716960] ? graph_lock+0x170/0x170 [ 241.721182] 0*16kB [ 241.723332] ? graph_lock+0x170/0x170 [ 241.727104] 1*32kB [ 241.729336] ? graph_lock+0x170/0x170 [ 241.733114] (U) [ 241.735351] ? print_usage_bug+0xc0/0xc0 [ 241.739126] 2*64kB [ 241.741097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.745129] (U) [ 241.747362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.752874] 1*128kB [ 241.754845] ? check_preemption_disabled+0x48/0x200 [ 241.760353] (U) [ 241.762672] ? check_preemption_disabled+0x48/0x200 [ 241.767667] 1*256kB [ 241.769646] ? __lock_is_held+0xb5/0x140 [ 241.774629] (U) [ 241.776949] __alloc_pages_nodemask+0xa80/0xde0 [ 241.780988] 0*512kB [ 241.782960] ? graph_lock+0x170/0x170 [ 241.787609] 1*1024kB [ 241.789925] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 241.793701] (U) [ 241.796109] ? graph_lock+0x170/0x170 [ 241.801105] 1*2048kB [ 241.803081] ? find_held_lock+0x36/0x1c0 [ 241.806849] (M) [ 241.809266] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.813292] 3*4096kB [ 241.815265] ? lock_downgrade+0x900/0x900 [ 241.819905] (M) [ 241.822327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.826441] = 15908kB [ 241.828412] cache_grow_begin+0x91/0x8c0 [ 241.834147] Node 0 [ 241.836555] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.840588] DMA32: [ 241.842824] fallback_alloc+0x203/0x2e0 [ 241.847207] 3*4kB [ 241.849442] ____cache_alloc_node+0x1c7/0x1e0 [ 241.853391] (M) [ 241.855538] kmem_cache_alloc_node+0xe3/0x730 [ 241.860012] 2*8kB [ 241.861992] ? ipv6_get_ifaddr+0x42e/0x620 [ 241.866461] (M) [ 241.868616] __alloc_skb+0x119/0x770 [ 241.872821] 1*16kB [ 241.874798] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.878479] (M) [ 241.880709] ? skb_scrub_packet+0x490/0x490 [ 241.885959] 1*32kB [ 241.887938] ? lock_downgrade+0x900/0x900 [ 241.892234] (M) [ 241.894480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.898591] 3*64kB (UM) [ 241.900571] ? refcount_sub_and_test_checked+0x203/0x310 [ 241.906084] 3*128kB [ 241.908749] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 241.914178] (M) [ 241.916497] ? addrconf_rs_timer+0x6f0/0x6f0 [ 241.921922] 2*256kB [ 241.923901] ndisc_alloc_skb+0x144/0x340 [ 241.928275] (M) [ 241.930599] ndisc_send_rs+0x331/0x6e0 [ 241.934631] 3*512kB [ 241.936603] addrconf_rs_timer+0x3c0/0x6f0 [ 241.940465] (M) [ 241.942783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.946987] 4*1024kB (UM) [ 241.948983] call_timer_fn+0x272/0x920 [ 241.953175] 3*2048kB (UM) [ 241.956023] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.959887] 3*4096kB [ 241.962953] ? process_timeout+0x40/0x40 [ 241.967174] (M) [ 241.969578] ? find_held_lock+0x36/0x1c0 [ 241.973616] = 25228kB [ 241.975589] ? __run_timers+0x7da/0xc70 [ 241.979623] Node 0 [ 241.982030] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.985980] Normal: [ 241.988210] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.992678] 866*4kB [ 241.995005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.999472] (ME) [ 242.001795] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 242.006004] 469*8kB [ 242.008064] ? trace_hardirqs_on+0xbd/0x310 [ 242.012617] (UME) [ 242.014934] ? kasan_check_read+0x11/0x20 [ 242.019233] 197*16kB [ 242.021385] ? __run_timers+0x7da/0xc70 [ 242.025503] (UME) [ 242.028071] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.032018] 59*32kB [ 242.034171] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.039590] (UME) [ 242.041920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.046126] 18*64kB [ 242.048285] __run_timers+0x7e5/0xc70 [ 242.052486] (ME) [ 242.054815] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 242.058584] 3*128kB [ 242.060647] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 242.065991] (M) [ 242.068320] ? graph_lock+0x170/0x170 [ 242.073316] 1*256kB [ 242.075296] ? enqueue_hrtimer+0x1a5/0x560 [ 242.079066] (U) [ 242.081387] ? lock_release+0x970/0x970 [ 242.085596] 0*512kB [ 242.087563] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 242.091514] 0*1024kB [ 242.093835] ? find_held_lock+0x36/0x1c0 [ 242.098994] 0*2048kB [ 242.101399] ? graph_lock+0x170/0x170 [ 242.105433] 0*4096kB = 14048kB [ 242.107849] ? pvclock_read_flags+0x160/0x160 [ 242.111630] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 242.114818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.119286] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 242.128108] ? check_preemption_disabled+0x48/0x200 [ 242.133624] 412 total pagecache pages [ 242.142198] ? __lock_is_held+0xb5/0x140 [ 242.147185] 0 pages in swap cache [ 242.150979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.155018] Swap cache stats: add 0, delete 0, find 0/0 [ 242.158461] ? check_preemption_disabled+0x48/0x200 [ 242.163981] Free swap = 0kB [ 242.169343] run_timer_softirq+0x52/0xb0 [ 242.174329] Total swap = 0kB [ 242.177345] ? rcu_read_lock_sched_held+0x108/0x120 [ 242.181382] 1965979 pages RAM [ 242.184400] __do_softirq+0x30b/0xad8 [ 242.189385] 0 pages HighMem/MovableOnly [ 242.192494] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 242.196261] 343323 pages reserved [ 242.196270] 0 pages cma reserved [ 242.200239] ? pvclock_read_flags+0x160/0x160 [ 242.205440] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 242.208761] ? lapic_next_event+0x5a/0x90 [ 242.208778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.208792] ? check_preemption_disabled+0x48/0x200 [ 242.208808] ? check_preemption_disabled+0x48/0x200 [ 242.212226] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 242.216648] ? kvm_clock_read+0x18/0x30 [ 242.223115] syz-fuzzer cpuset= [ 242.227264] ? kvm_sched_clock_read+0x9/0x20 [ 242.232774] / [ 242.237785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.242776] mems_allowed=0 [ 242.252999] ? check_preemption_disabled+0x48/0x200 [ 242.279677] irq_exit+0x17f/0x1c0 [ 242.283138] smp_apic_timer_interrupt+0x1cb/0x760 [ 242.287988] ? smp_reschedule_interrupt+0x109/0x650 [ 242.293015] ? smp_call_function_single_interrupt+0x650/0x650 [ 242.298901] ? interrupt_entry+0xb5/0xf0 [ 242.302977] ? trace_hardirqs_off_caller+0xbb/0x300 [ 242.308003] ? trace_hardirqs_off_caller+0xbb/0x300 [ 242.313025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.317870] ? trace_hardirqs_off+0x300/0x300 [ 242.322363] ? trace_hardirqs_off+0x300/0x300 [ 242.326862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.332404] ? check_preemption_disabled+0x48/0x200 [ 242.337420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.342978] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.347836] apic_timer_interrupt+0xf/0x20 [ 242.352067] [ 242.354311] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 242.359242] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 242.378155] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 242.385880] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 242.393159] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 242.400434] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 242.407703] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 242.414981] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 242.422306] skb_clone+0x1bb/0x500 [ 242.425853] ? skb_split+0x11e0/0x11e0 [ 242.429753] ? dev_forward_skb+0x4c/0x60 [ 242.433826] ? __bpf_redirect+0x54b/0xb20 [ 242.437989] ? __switch_to_asm+0x34/0x70 [ 242.442066] bpf_clone_redirect+0xb9/0x490 [ 242.446317] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 242.451339] ? __sched_text_start+0x8/0x8 [ 242.455496] ? lockdep_hardirqs_on+0x421/0x5c0 [ 242.460085] ? retint_kernel+0x2d/0x2d [ 242.463988] ? trace_hardirqs_on_caller+0xc0/0x300 [ 242.468929] ? find_held_lock+0x36/0x1c0 [ 242.473007] ? lock_acquire+0x1ed/0x520 [ 242.476989] ? bpf_test_run+0x32e/0x5a0 [ 242.480974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.486514] ? check_preemption_disabled+0x48/0x200 [ 242.491539] ? kasan_check_read+0x11/0x20 [ 242.495702] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.500989] ? rcu_bh_qs+0xc0/0xc0 [ 242.504534] ? preempt_schedule+0x4d/0x60 [ 242.508688] ? ___preempt_schedule+0x16/0x18 [ 242.513106] ? bpf_test_run+0x1c0/0x5a0 [ 242.517093] ? netlink_diag_dump+0x2a0/0x2a0 [ 242.521506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.527041] ? bpf_test_init.isra.9+0x70/0x100 [ 242.531631] ? bpf_prog_test_run_skb+0x634/0xb40 [ 242.536398] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.541242] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 242.546788] ? fput+0x130/0x1a0 [ 242.550071] ? __bpf_prog_get+0x9b/0x290 [ 242.554134] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.558985] ? bpf_prog_test_run+0x130/0x1a0 [ 242.563409] ? __x64_sys_bpf+0x3d8/0x510 [ 242.567477] ? bpf_prog_get+0x20/0x20 [ 242.571293] ? ksys_ioctl+0x81/0xd0 [ 242.574939] ? do_syscall_64+0x1b9/0x820 [ 242.579012] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 242.584380] ? syscall_return_slowpath+0x5e0/0x5e0 [ 242.589318] ? trace_hardirqs_off+0x300/0x300 [ 242.593818] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 242.598837] ? recalc_sigpending_tsk+0x180/0x180 [ 242.603596] ? kasan_check_write+0x14/0x20 [ 242.607842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.612701] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 242.618083] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 242.618179] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 242.625009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.625018] Call Trace: [ 242.631591] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 242.640838] [ 242.643407] syz-executor0 cpuset= [ 242.653892] dump_stack+0x1c4/0x2b4 [ 242.656012] syz0 [ 242.659462] ? dump_stack_print_info.cold.2+0x52/0x52 [ 242.663066] mems_allowed=0 [ 242.665046] warn_alloc.cold.118+0xb7/0x1bd [ 242.677439] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 242.682287] ? lock_downgrade+0x900/0x900 [ 242.686449] ? trace_hardirqs_off+0xb8/0x300 [ 242.690869] ? trace_hardirqs_off+0xb8/0x300 [ 242.695300] __alloc_pages_slowpath+0x2667/0x2d80 [ 242.700182] ? warn_alloc+0x120/0x120 [ 242.704000] ? warn_alloc+0x120/0x120 [ 242.707807] ? print_usage_bug+0xc0/0xc0 [ 242.711869] ? warn_alloc+0x120/0x120 [ 242.715675] ? print_usage_bug+0xc0/0xc0 [ 242.719742] ? __lock_acquire+0x7ec/0x4ec0 [ 242.723990] ? __lock_acquire+0x7ec/0x4ec0 [ 242.728230] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.733776] ? should_fail+0x22d/0xd01 [ 242.737672] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.742785] ? __lock_acquire+0x7ec/0x4ec0 [ 242.747027] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.752131] ? __lock_acquire+0x7ec/0x4ec0 [ 242.756366] ? should_fail+0x22d/0xd01 [ 242.760355] ? mark_held_locks+0x130/0x130 [ 242.764595] ? mark_held_locks+0x130/0x130 [ 242.768832] ? graph_lock+0x170/0x170 [ 242.772641] ? graph_lock+0x170/0x170 [ 242.776449] ? graph_lock+0x170/0x170 [ 242.780250] ? print_usage_bug+0xc0/0xc0 [ 242.784316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.789860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.795400] ? check_preemption_disabled+0x48/0x200 [ 242.800419] ? check_preemption_disabled+0x48/0x200 [ 242.805448] ? __lock_is_held+0xb5/0x140 [ 242.809521] __alloc_pages_nodemask+0xa80/0xde0 [ 242.814197] ? graph_lock+0x170/0x170 [ 242.818009] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 242.823028] ? graph_lock+0x170/0x170 [ 242.826841] ? find_held_lock+0x36/0x1c0 [ 242.830925] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.835601] ? lock_downgrade+0x900/0x900 [ 242.839768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.845324] cache_grow_begin+0x91/0x8c0 [ 242.849398] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.853816] fallback_alloc+0x203/0x2e0 [ 242.857799] ____cache_alloc_node+0x1c7/0x1e0 [ 242.862307] kmem_cache_alloc_node+0xe3/0x730 [ 242.866814] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.871062] __alloc_skb+0x119/0x770 [ 242.874787] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.880076] ? skb_scrub_packet+0x490/0x490 [ 242.884408] ? lock_downgrade+0x900/0x900 [ 242.888570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.894131] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.899591] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.905059] ? addrconf_rs_timer+0x6f0/0x6f0 [ 242.909493] ndisc_alloc_skb+0x144/0x340 [ 242.913578] ndisc_send_rs+0x331/0x6e0 [ 242.917482] addrconf_rs_timer+0x3c0/0x6f0 [ 242.921764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.926043] call_timer_fn+0x272/0x920 [ 242.929943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.934190] ? process_timeout+0x40/0x40 [ 242.938256] ? find_held_lock+0x36/0x1c0 [ 242.942364] ? mark_held_locks+0xc7/0x130 [ 242.946524] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.951028] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.955543] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.959788] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 242.964895] ? trace_hardirqs_on+0xbd/0x310 [ 242.969226] ? kasan_check_read+0x11/0x20 [ 242.973384] ? __run_timers+0x7da/0xc70 [ 242.977370] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.982840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.987090] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.991342] __run_timers+0x7e5/0xc70 [ 242.995175] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.000550] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.005573] ? graph_lock+0x170/0x170 [ 243.009383] ? print_usage_bug+0xc0/0xc0 [ 243.013447] ? lock_release+0x970/0x970 [ 243.017426] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.022630] ? find_held_lock+0x36/0x1c0 [ 243.026702] ? graph_lock+0x170/0x170 [ 243.030513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.036052] ? check_preemption_disabled+0x48/0x200 [ 243.041086] ? __lock_is_held+0xb5/0x140 [ 243.045155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.050695] ? check_preemption_disabled+0x48/0x200 [ 243.055725] run_timer_softirq+0x52/0xb0 [ 243.059795] ? rcu_read_lock_sched_held+0x108/0x120 [ 243.064818] __do_softirq+0x30b/0xad8 [ 243.068636] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.073762] ? pvclock_read_flags+0x160/0x160 [ 243.078262] ? lapic_next_event+0x5a/0x90 [ 243.082416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.087953] ? check_preemption_disabled+0x48/0x200 [ 243.092987] ? check_preemption_disabled+0x48/0x200 [ 243.098020] ? kvm_clock_read+0x18/0x30 [ 243.102004] ? kvm_sched_clock_read+0x9/0x20 [ 243.106422] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.111960] ? check_preemption_disabled+0x48/0x200 [ 243.117007] irq_exit+0x17f/0x1c0 [ 243.120472] smp_apic_timer_interrupt+0x1cb/0x760 [ 243.125325] ? smp_call_function_single_interrupt+0x650/0x650 [ 243.131211] ? interrupt_entry+0xb5/0xf0 [ 243.135279] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.140328] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.145352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.150196] ? trace_hardirqs_off+0x300/0x300 [ 243.154694] ? trace_hardirqs_off+0x300/0x300 [ 243.159193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.164732] ? check_preemption_disabled+0x48/0x200 [ 243.169764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.175315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.180175] apic_timer_interrupt+0xf/0x20 [ 243.184410] [ 243.186653] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 243.192025] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 243.210947] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 243.218677] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 243.225949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 243.233228] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 243.240498] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 243.247774] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 243.255090] ? page_evictable+0x35d/0x540 [ 243.259258] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 243.264809] page_evictable+0x36b/0x540 [ 243.268789] ? kswapd_stop+0x100/0x100 [ 243.272685] ? ___might_sleep+0x1ed/0x300 [ 243.276838] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.282298] ? arch_local_save_flags+0x40/0x40 [ 243.286886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.292428] ? check_preemption_disabled+0x48/0x200 [ 243.297461] shrink_active_list+0x845/0x1c20 [ 243.301880] ? free_unref_page_list+0xc0f/0x11e0 [ 243.306666] ? shrink_inactive_list+0x1c60/0x1c60 [ 243.311529] ? graph_lock+0x170/0x170 [ 243.315343] ? __page_frag_cache_drain+0x200/0x200 [ 243.320282] ? print_usage_bug+0xc0/0xc0 [ 243.324362] ? find_held_lock+0x36/0x1c0 [ 243.328434] ? graph_lock+0x170/0x170 [ 243.332239] ? mark_held_locks+0xc7/0x130 [ 243.336397] ? check_preemption_disabled+0x48/0x200 [ 243.341427] ? check_preemption_disabled+0x48/0x200 [ 243.346472] ? graph_lock+0x170/0x170 [ 243.350281] ? __lock_is_held+0xb5/0x140 [ 243.354354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.359899] ? check_preemption_disabled+0x48/0x200 [ 243.364940] ? __lock_is_held+0xb5/0x140 [ 243.369034] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.374072] ? inactive_list_is_low+0x305/0x880 [ 243.378771] ? lruvec_lru_size+0x450/0x450 [ 243.383012] ? kasan_check_read+0x11/0x20 [ 243.387185] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 243.392133] shrink_node_memcg+0x803/0x18e0 [ 243.396485] ? shrink_active_list+0x1c20/0x1c20 [ 243.401173] ? lockdep_hardirqs_on+0x421/0x5c0 [ 243.405768] ? trace_hardirqs_on+0xbd/0x310 [ 243.410098] ? vmpressure+0x294/0x310 [ 243.413901] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.419393] shrink_node+0x3bc/0x16b0 [ 243.423202] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 243.428510] ? shrink_node_memcg+0x18e0/0x18e0 [ 243.433109] ? lockdep_hardirqs_on+0x421/0x5c0 [ 243.437708] ? trace_hardirqs_on+0xbd/0x310 [ 243.442053] ? vmpressure+0x294/0x310 [ 243.445869] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.450285] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 243.454880] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 243.460447] ? __cpuset_node_allowed+0x19b/0x660 [ 243.465213] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 243.470931] ? vmpressure+0x1c9/0x310 [ 243.474761] do_try_to_free_pages+0x3e7/0x1290 [ 243.479368] ? shrink_node+0x16b0/0x16b0 [ 243.483440] ? __lock_is_held+0xb5/0x140 [ 243.487521] try_to_free_pages+0x4d0/0xb90 [ 243.491774] ? do_try_to_free_pages+0x1290/0x1290 [ 243.496625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.502184] ? lock_acquire+0x1ed/0x520 [ 243.506162] ? set_page_refcounted+0x280/0x280 [ 243.510764] ? lock_release+0x970/0x970 [ 243.514754] ? ___might_sleep+0x1ed/0x300 [ 243.518910] ? arch_local_save_flags+0x40/0x40 [ 243.523505] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.528533] ? __radix_tree_lookup+0x358/0x4c0 [ 243.533132] __alloc_pages_slowpath+0x993/0x2d80 [ 243.537925] ? kasan_check_read+0x11/0x20 [ 243.542093] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.547389] ? warn_alloc+0x120/0x120 [ 243.551202] ? __radix_tree_lookup+0x4c0/0x4c0 [ 243.555808] ? find_get_entry+0x2f2/0xc40 [ 243.559984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.565547] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 243.570498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.576057] ? should_fail+0x22d/0xd01 [ 243.579959] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.585086] ? __lock_is_held+0xb5/0x140 [ 243.589149] ? graph_lock+0x170/0x170 [ 243.592955] ? graph_lock+0x170/0x170 [ 243.596792] ? __lock_is_held+0xb5/0x140 [ 243.600865] ? __lock_acquire+0x7ec/0x4ec0 [ 243.605119] ? ___might_sleep+0x1ed/0x300 [ 243.609265] ? lock_release+0x970/0x970 [ 243.613248] ? arch_local_save_flags+0x40/0x40 [ 243.617849] ? __might_sleep+0x95/0x190 [ 243.621833] __alloc_pages_nodemask+0xa80/0xde0 [ 243.626512] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.631540] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.637338] ? kasan_check_read+0x11/0x20 [ 243.641588] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.646873] ? graph_lock+0x170/0x170 [ 243.650680] ? print_usage_bug+0xc0/0xc0 [ 243.654758] ? graph_lock+0x170/0x170 [ 243.658564] ? graph_lock+0x170/0x170 [ 243.662382] ? __do_page_cache_readahead+0x7ce/0x980 [ 243.667499] ? find_held_lock+0x36/0x1c0 [ 243.671569] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 243.677114] alloc_pages_current+0x10c/0x210 [ 243.681526] ? lock_downgrade+0x900/0x900 [ 243.685682] __page_cache_alloc+0x38f/0x5b0 [ 243.690009] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.695814] ? kasan_check_read+0x11/0x20 [ 243.700053] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.705335] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 243.710008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.715549] ? check_preemption_disabled+0x48/0x200 [ 243.720579] filemap_fault+0x1594/0x25f0 [ 243.724657] ? __lock_page_or_retry+0xa00/0xa00 [ 243.729335] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.735132] ? kasan_check_read+0x11/0x20 [ 243.739284] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.744565] ? rcu_bh_qs+0xc0/0xc0 [ 243.748143] ? print_usage_bug+0xc0/0xc0 [ 243.752219] ? filemap_map_pages+0xdea/0x1980 [ 243.756731] ? print_usage_bug+0xc0/0xc0 [ 243.760810] ? find_get_pages_range_tag+0x1320/0x1320 [ 243.766009] ? print_usage_bug+0xc0/0xc0 [ 243.770080] ? __lock_acquire+0x7ec/0x4ec0 [ 243.774338] ? graph_lock+0x170/0x170 [ 243.778160] ? __sigqueue_free.part.27+0x7d/0xa0 [ 243.782985] ? __lock_acquire+0x7ec/0x4ec0 [ 243.787244] ? lock_acquire+0x1ed/0x520 [ 243.791226] ? ext4_filemap_fault+0x7a/0xad [ 243.795563] ? lock_release+0x970/0x970 [ 243.799552] ? arch_local_save_flags+0x40/0x40 [ 243.804149] ? mark_held_locks+0x130/0x130 [ 243.808407] ? down_read+0xb0/0x1d0 [ 243.812046] ? ext4_filemap_fault+0x7a/0xad [ 243.816386] ? __down_interruptible+0x700/0x700 [ 243.821084] ? graph_lock+0x170/0x170 [ 243.824999] ? __sigqueue_free.part.27+0x7d/0xa0 [ 243.830045] ext4_filemap_fault+0x82/0xad [ 243.834207] __do_fault+0x100/0x6b0 [ 243.837842] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.843134] ? print_bad_pte+0x6c0/0x6c0 [ 243.847208] ? pmd_val+0x88/0x100 [ 243.850678] ? add_mm_counter_fast+0xd0/0xd0 [ 243.855090] ? pmd_val+0x88/0x100 [ 243.858550] ? add_mm_counter_fast+0xd0/0xd0 [ 243.862978] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.868529] __handle_mm_fault+0x3709/0x53e0 [ 243.872955] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 243.877815] ? graph_lock+0x170/0x170 [ 243.881621] ? print_usage_bug+0xc0/0xc0 [ 243.885710] ? graph_lock+0x170/0x170 [ 243.889514] ? graph_lock+0x170/0x170 [ 243.893340] ? handle_mm_fault+0x42a/0xc70 [ 243.897581] ? lock_downgrade+0x900/0x900 [ 243.901731] ? check_preemption_disabled+0x48/0x200 [ 243.906770] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.912572] ? kasan_check_read+0x11/0x20 [ 243.916726] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.922014] ? rcu_bh_qs+0xc0/0xc0 [ 243.925557] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.931017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.936556] ? check_preemption_disabled+0x48/0x200 [ 243.941589] handle_mm_fault+0x54f/0xc70 [ 243.945660] ? __handle_mm_fault+0x53e0/0x53e0 [ 243.950251] ? find_vma+0x34/0x190 [ 243.953806] __do_page_fault+0x67d/0xed0 [ 243.957881] ? mm_fault_error+0x380/0x380 [ 243.962579] ? syscall_slow_exit_work+0x520/0x520 [ 243.967432] do_page_fault+0xf2/0x7e0 [ 243.971252] ? vmalloc_sync_all+0x30/0x30 [ 243.975411] ? error_entry+0x70/0xd0 [ 243.979133] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.984152] ? trace_hardirqs_on_caller+0xc0/0x300 [ 243.989084] ? syscall_return_slowpath+0x5e0/0x5e0 [ 243.994015] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.998864] ? trace_hardirqs_off+0x300/0x300 [ 244.003365] ? trace_hardirqs_off_caller+0x300/0x300 [ 244.008481] ? prepare_exit_to_usermode+0x291/0x3b0 [ 244.013505] ? page_fault+0x8/0x30 [ 244.017052] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.021902] ? page_fault+0x8/0x30 [ 244.025445] page_fault+0x1e/0x30 [ 244.028903] RIP: 0033:0x45db60 [ 244.032107] Code: Bad RIP value. [ 244.035471] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 244.040838] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 244.048112] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 244.055387] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 244.062654] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 244.069928] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 244.077239] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 244.077244] warn_alloc_show_mem: 1 callbacks suppressed [ 244.077259] Mem-Info: [ 244.084446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.089811] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 244.089811] active_file:15 inactive_file:16 isolated_file:2 [ 244.089811] unevictable:0 dirty:0 writeback:0 unstable:0 [ 244.089811] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 244.089811] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 244.089811] free:13788 free_pcp:262 free_cma:0 [ 244.092181] Call Trace: [ 244.101569] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 244.134423] [ 244.136998] Node 0 [ 244.164689] dump_stack+0x1c4/0x2b4 [ 244.166842] 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 [ 244.169052] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.172650] lowmem_reserve[]: [ 244.198174] warn_alloc.cold.118+0xb7/0x1bd [ 244.203341] 0 [ 244.206446] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.210734] 2815 [ 244.212541] ? lock_downgrade+0x900/0x900 [ 244.217354] 6318 [ 244.219431] ? trace_hardirqs_off+0xb8/0x300 [ 244.223544] 6318 [ 244.225610] ? trace_hardirqs_off+0xb8/0x300 [ 244.232055] __alloc_pages_slowpath+0x2667/0x2d80 [ 244.236486] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 244.241362] ? warn_alloc+0x120/0x120 [ 244.241381] ? trace_hardirqs_on+0x310/0x310 [ 244.268970] lowmem_reserve[]: [ 244.272780] ? warn_alloc+0x120/0x120 [ 244.277154] 0 [ 244.280259] ? print_usage_bug+0xc0/0xc0 [ 244.284028] 0 [ 244.285822] ? warn_alloc+0x120/0x120 [ 244.289858] 3503 [ 244.291655] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 244.295430] 3503 [ 244.297493] ? print_usage_bug+0xc0/0xc0 [ 244.302482] Node 0 [ 244.304541] ? __lock_acquire+0x7ec/0x4ec0 [ 244.308602] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 244.310805] ? __lock_acquire+0x7ec/0x4ec0 [ 244.315015] lowmem_reserve[]: [ 244.343381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.347586] 0 [ 244.350690] ? should_fail+0x22d/0xd01 [ 244.356196] 0 [ 244.358005] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.361865] 0 [ 244.363665] ? __lock_acquire+0x7ec/0x4ec0 [ 244.368742] 0 [ 244.370550] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.374764] Node 0 [ 244.376563] ? __lock_acquire+0x7ec/0x4ec0 [ 244.381640] DMA: [ 244.383870] ? should_fail+0x22d/0xd01 [ 244.388078] 1*4kB [ 244.390128] ? print_usage_bug+0xc0/0xc0 [ 244.390153] ? mark_held_locks+0x130/0x130 [ 244.394010] (U) [ 244.396157] ? mark_held_locks+0x130/0x130 [ 244.400191] 0*8kB [ 244.404426] ? graph_lock+0x170/0x170 [ 244.406375] 0*16kB [ 244.410602] ? print_usage_bug+0xc0/0xc0 [ 244.412731] 1*32kB [ 244.416521] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.416541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.418761] (U) [ 244.422817] ? check_preemption_disabled+0x48/0x200 [ 244.425031] 2*64kB [ 244.429777] ? check_preemption_disabled+0x48/0x200 [ 244.435288] (U) [ 244.437270] ? __lock_is_held+0xb5/0x140 [ 244.442258] 1*128kB [ 244.444502] __alloc_pages_nodemask+0xa80/0xde0 [ 244.449488] (U) [ 244.451458] ? graph_lock+0x170/0x170 [ 244.455492] 1*256kB [ 244.457814] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 244.462458] (U) [ 244.464428] ? graph_lock+0x170/0x170 [ 244.468203] 0*512kB [ 244.470529] ? find_held_lock+0x36/0x1c0 [ 244.475510] 1*1024kB (U) [ 244.477497] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.481268] 1*2048kB [ 244.483589] ? lock_downgrade+0x900/0x900 [ 244.487624] (M) [ 244.490385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.495025] 3*4096kB [ 244.497430] cache_grow_begin+0x91/0x8c0 [ 244.501549] (M) [ 244.503524] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.509029] = 15908kB [ 244.511441] fallback_alloc+0x203/0x2e0 [ 244.515470] Node 0 [ 244.517448] ____cache_alloc_node+0x1c7/0x1e0 [ 244.521827] DMA32: [ 244.524232] kmem_cache_alloc_node+0xe3/0x730 [ 244.528182] 3*4kB [ 244.530416] ? ipv6_get_ifaddr+0x42e/0x620 [ 244.534883] (M) [ 244.537121] __alloc_skb+0x119/0x770 [ 244.541582] 2*8kB [ 244.543734] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.547928] (M) 1*16kB [ 244.549932] ? skb_scrub_packet+0x490/0x490 [ 244.553616] (M) 1*32kB [ 244.555774] ? lock_downgrade+0x900/0x900 [ 244.561027] (M) 3*64kB [ 244.563630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.567921] (UM) [ 244.570505] ? refcount_sub_and_test_checked+0x203/0x310 [ 244.574630] 3*128kB [ 244.577216] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 244.582720] (M) [ 244.584790] ? addrconf_rs_timer+0x6f0/0x6f0 [ 244.590214] 2*256kB (M) [ 244.592569] ndisc_alloc_skb+0x144/0x340 [ 244.597992] 3*512kB [ 244.599977] ndisc_send_rs+0x331/0x6e0 [ 244.604355] (M) [ 244.607028] addrconf_rs_timer+0x3c0/0x6f0 [ 244.611059] 4*1024kB [ 244.613384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.617241] (UM) [ 244.619236] call_timer_fn+0x272/0x920 [ 244.623431] 3*2048kB [ 244.625842] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.630048] (UM) [ 244.632110] ? process_timeout+0x40/0x40 [ 244.635973] 3*4096kB [ 244.638382] ? find_held_lock+0x36/0x1c0 [ 244.642588] (M) [ 244.644658] ? __run_timers+0x7da/0xc70 [ 244.648684] = 25228kB [ 244.651120] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.655155] Node 0 [ 244.657126] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.661075] Normal: [ 244.663483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.667950] 866*4kB [ 244.670191] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 244.674653] (ME) 469*8kB [ 244.676989] ? trace_hardirqs_on+0xbd/0x310 [ 244.681196] (UME) [ 244.683517] ? kasan_check_read+0x11/0x20 [ 244.688076] 197*16kB [ 244.690832] ? __run_timers+0x7da/0xc70 [ 244.695124] (UME) [ 244.697275] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.701395] 59*32kB [ 244.703806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.707753] (UME) [ 244.709903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.715323] 18*64kB [ 244.717642] __run_timers+0x7e5/0xc70 [ 244.721846] (ME) [ 244.724008] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 244.728205] 3*128kB [ 244.730527] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 244.734298] (M) [ 244.736360] ? graph_lock+0x170/0x170 [ 244.741693] 1*256kB (U) [ 244.744020] ? enqueue_hrtimer+0x1a5/0x560 [ 244.749010] 0*512kB [ 244.750992] ? lock_release+0x970/0x970 [ 244.754772] 0*1024kB [ 244.757441] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 244.761651] 0*2048kB [ 244.763984] ? find_held_lock+0x36/0x1c0 [ 244.767928] 0*4096kB [ 244.770333] ? graph_lock+0x170/0x170 [ 244.775498] = 14048kB [ 244.777901] ? pvclock_read_flags+0x160/0x160 [ 244.781942] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 244.784365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.788142] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 244.790541] ? check_preemption_disabled+0x48/0x200 [ 244.795013] 412 total pagecache pages [ 244.803855] ? __lock_is_held+0xb5/0x140 [ 244.809366] 0 pages in swap cache [ 244.817934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.822927] Swap cache stats: add 0, delete 0, find 0/0 [ 244.826720] ? check_preemption_disabled+0x48/0x200 [ 244.830744] Free swap = 0kB [ 244.834210] run_timer_softirq+0x52/0xb0 [ 244.839716] Total swap = 0kB [ 244.845075] ? rcu_read_lock_sched_held+0x108/0x120 [ 244.850061] 1965979 pages RAM [ 244.853080] __do_softirq+0x30b/0xad8 [ 244.857105] 0 pages HighMem/MovableOnly [ 244.857114] 343323 pages reserved [ 244.860143] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 244.865118] 0 pages cma reserved [ 244.868232] ? pvclock_read_flags+0x160/0x160 [ 244.872073] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 244.875973] ? lapic_next_event+0x5a/0x90 [ 244.879498] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 244.884499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.887835] syz-fuzzer cpuset= [ 244.892332] ? check_preemption_disabled+0x48/0x200 [ 244.898802] / [ 244.902958] ? check_preemption_disabled+0x48/0x200 [ 244.913173] mems_allowed=0 [ 244.918715] ? kvm_clock_read+0x18/0x30 [ 244.940527] ? kvm_sched_clock_read+0x9/0x20 [ 244.944952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.950516] ? check_preemption_disabled+0x48/0x200 [ 244.955555] irq_exit+0x17f/0x1c0 [ 244.959023] smp_apic_timer_interrupt+0x1cb/0x760 [ 244.963872] ? smp_reschedule_interrupt+0x109/0x650 [ 244.968898] ? smp_call_function_single_interrupt+0x650/0x650 [ 244.974787] ? interrupt_entry+0xb5/0xf0 [ 244.978858] ? trace_hardirqs_off_caller+0xbb/0x300 [ 244.983902] ? trace_hardirqs_off_caller+0xbb/0x300 [ 244.988933] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.993793] ? trace_hardirqs_off+0x300/0x300 [ 244.998290] ? trace_hardirqs_off+0x300/0x300 [ 245.002794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.008332] ? check_preemption_disabled+0x48/0x200 [ 245.013352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.018900] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.023762] apic_timer_interrupt+0xf/0x20 [ 245.027998] [ 245.030242] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 245.035183] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 245.054095] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 245.061812] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 245.069081] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 245.076351] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 245.083620] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 245.090889] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 245.098210] skb_clone+0x1bb/0x500 [ 245.101759] ? skb_split+0x11e0/0x11e0 [ 245.105659] ? dev_forward_skb+0x4c/0x60 [ 245.109724] ? __bpf_redirect+0x54b/0xb20 [ 245.113876] ? __switch_to_asm+0x34/0x70 [ 245.117948] bpf_clone_redirect+0xb9/0x490 [ 245.122201] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 245.127320] ? __sched_text_start+0x8/0x8 [ 245.131483] ? lockdep_hardirqs_on+0x421/0x5c0 [ 245.136068] ? retint_kernel+0x2d/0x2d [ 245.139961] ? trace_hardirqs_on_caller+0xc0/0x300 [ 245.144908] ? find_held_lock+0x36/0x1c0 [ 245.148987] ? lock_acquire+0x1ed/0x520 [ 245.152974] ? bpf_test_run+0x32e/0x5a0 [ 245.156957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.162504] ? check_preemption_disabled+0x48/0x200 [ 245.167532] ? kasan_check_read+0x11/0x20 [ 245.171691] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.176981] ? rcu_bh_qs+0xc0/0xc0 [ 245.180532] ? preempt_schedule+0x4d/0x60 [ 245.184683] ? ___preempt_schedule+0x16/0x18 [ 245.189104] ? bpf_test_run+0x1c0/0x5a0 [ 245.193093] ? netlink_diag_dump+0x2a0/0x2a0 [ 245.197509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.203049] ? bpf_test_init.isra.9+0x70/0x100 [ 245.207640] ? bpf_prog_test_run_skb+0x634/0xb40 [ 245.212407] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.217268] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.222808] ? fput+0x130/0x1a0 [ 245.226096] ? __bpf_prog_get+0x9b/0x290 [ 245.230175] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.235029] ? bpf_prog_test_run+0x130/0x1a0 [ 245.239461] ? __x64_sys_bpf+0x3d8/0x510 [ 245.243540] ? bpf_prog_get+0x20/0x20 [ 245.247357] ? ksys_ioctl+0x81/0xd0 [ 245.251004] ? do_syscall_64+0x1b9/0x820 [ 245.255071] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 245.260439] ? syscall_return_slowpath+0x5e0/0x5e0 [ 245.265375] ? trace_hardirqs_off+0x300/0x300 [ 245.269875] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 245.274892] ? recalc_sigpending_tsk+0x180/0x180 [ 245.279653] ? kasan_check_write+0x14/0x20 [ 245.283899] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.288760] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 245.294146] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 245.294232] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.301072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.301079] Call Trace: [ 245.301091] [ 245.301108] dump_stack+0x1c4/0x2b4 [ 245.301125] ? dump_stack_print_info.cold.2+0x52/0x52 [ 245.307696] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.316960] warn_alloc.cold.118+0xb7/0x1bd [ 245.319514] syz-executor0 cpuset= [ 245.321660] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 245.325269] syz0 [ 245.330457] ? lock_downgrade+0x900/0x900 [ 245.340921] mems_allowed=0 [ 245.345252] ? trace_hardirqs_off+0xb8/0x300 [ 245.366950] ? trace_hardirqs_off+0xb8/0x300 [ 245.371383] __alloc_pages_slowpath+0x2667/0x2d80 [ 245.376273] ? warn_alloc+0x120/0x120 [ 245.380081] ? trace_hardirqs_on+0x310/0x310 [ 245.384496] ? warn_alloc+0x120/0x120 [ 245.388306] ? print_usage_bug+0xc0/0xc0 [ 245.392373] ? warn_alloc+0x120/0x120 [ 245.396179] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 245.401197] ? print_usage_bug+0xc0/0xc0 [ 245.405262] ? __lock_acquire+0x7ec/0x4ec0 [ 245.409500] ? __lock_acquire+0x7ec/0x4ec0 [ 245.413741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.419291] ? should_fail+0x22d/0xd01 [ 245.423189] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.428297] ? __lock_acquire+0x7ec/0x4ec0 [ 245.432542] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.437655] ? __lock_acquire+0x7ec/0x4ec0 [ 245.441895] ? should_fail+0x22d/0xd01 [ 245.445784] ? print_usage_bug+0xc0/0xc0 [ 245.449857] ? mark_held_locks+0x130/0x130 [ 245.454101] ? mark_held_locks+0x130/0x130 [ 245.458351] ? graph_lock+0x170/0x170 [ 245.462159] ? print_usage_bug+0xc0/0xc0 [ 245.466227] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.470999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.476553] ? check_preemption_disabled+0x48/0x200 [ 245.481578] ? check_preemption_disabled+0x48/0x200 [ 245.486638] ? __lock_is_held+0xb5/0x140 [ 245.490730] __alloc_pages_nodemask+0xa80/0xde0 [ 245.495438] ? graph_lock+0x170/0x170 [ 245.499279] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.504313] ? graph_lock+0x170/0x170 [ 245.508134] ? find_held_lock+0x36/0x1c0 [ 245.512250] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.516946] ? lock_downgrade+0x900/0x900 [ 245.521121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.526675] cache_grow_begin+0x91/0x8c0 [ 245.530745] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.535171] fallback_alloc+0x203/0x2e0 [ 245.539162] ____cache_alloc_node+0x1c7/0x1e0 [ 245.543671] kmem_cache_alloc_node+0xe3/0x730 [ 245.548171] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.552421] __alloc_skb+0x119/0x770 [ 245.556144] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.561432] ? skb_scrub_packet+0x490/0x490 [ 245.565781] ? lock_downgrade+0x900/0x900 [ 245.569947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.575497] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.580958] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.586427] ? addrconf_rs_timer+0x6f0/0x6f0 [ 245.590853] ndisc_alloc_skb+0x144/0x340 [ 245.594927] ndisc_send_rs+0x331/0x6e0 [ 245.598828] addrconf_rs_timer+0x3c0/0x6f0 [ 245.603072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.607328] call_timer_fn+0x272/0x920 [ 245.611218] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.615461] ? process_timeout+0x40/0x40 [ 245.619526] ? find_held_lock+0x36/0x1c0 [ 245.623598] ? mark_held_locks+0xc7/0x130 [ 245.627760] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.632258] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.636765] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.641008] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 245.645595] ? trace_hardirqs_on+0xbd/0x310 [ 245.649919] ? kasan_check_read+0x11/0x20 [ 245.654069] ? __run_timers+0x7da/0xc70 [ 245.658050] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.663513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.667762] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.672005] __run_timers+0x7e5/0xc70 [ 245.675828] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.681198] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 245.686221] ? graph_lock+0x170/0x170 [ 245.690030] ? print_usage_bug+0xc0/0xc0 [ 245.694092] ? lock_release+0x970/0x970 [ 245.698069] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 245.703281] ? find_held_lock+0x36/0x1c0 [ 245.707357] ? graph_lock+0x170/0x170 [ 245.711168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.716711] ? check_preemption_disabled+0x48/0x200 [ 245.721738] ? __lock_is_held+0xb5/0x140 [ 245.725809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.731345] ? check_preemption_disabled+0x48/0x200 [ 245.736374] run_timer_softirq+0x52/0xb0 [ 245.740448] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.745485] __do_softirq+0x30b/0xad8 [ 245.749309] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.754428] ? pvclock_read_flags+0x160/0x160 [ 245.758926] ? lapic_next_event+0x5a/0x90 [ 245.763092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.768646] ? check_preemption_disabled+0x48/0x200 [ 245.773666] ? check_preemption_disabled+0x48/0x200 [ 245.778699] ? kvm_clock_read+0x18/0x30 [ 245.782682] ? kvm_sched_clock_read+0x9/0x20 [ 245.787102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.792645] ? check_preemption_disabled+0x48/0x200 [ 245.797682] irq_exit+0x17f/0x1c0 [ 245.801150] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.806009] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.811936] ? interrupt_entry+0xb5/0xf0 [ 245.816040] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.821083] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.826135] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.831263] ? trace_hardirqs_off+0x300/0x300 [ 245.835789] ? trace_hardirqs_off+0x300/0x300 [ 245.840330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.845883] ? check_preemption_disabled+0x48/0x200 [ 245.850910] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.856486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.861352] apic_timer_interrupt+0xf/0x20 [ 245.865597] [ 245.867867] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 245.873247] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 245.892163] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 245.899887] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 245.907163] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 245.914443] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 245.921730] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 245.929016] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 245.936322] ? page_evictable+0x35d/0x540 [ 245.940494] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.946047] page_evictable+0x36b/0x540 [ 245.950038] ? kswapd_stop+0x100/0x100 [ 245.953938] ? ___might_sleep+0x1ed/0x300 [ 245.958101] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.964056] ? arch_local_save_flags+0x40/0x40 [ 245.968647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.974190] ? check_preemption_disabled+0x48/0x200 [ 245.979223] shrink_active_list+0x845/0x1c20 [ 245.983637] ? free_unref_page_list+0xc0f/0x11e0 [ 245.988418] ? shrink_inactive_list+0x1c60/0x1c60 [ 245.993284] ? graph_lock+0x170/0x170 [ 245.997092] ? __page_frag_cache_drain+0x200/0x200 [ 246.002028] ? print_usage_bug+0xc0/0xc0 [ 246.006110] ? find_held_lock+0x36/0x1c0 [ 246.010184] ? graph_lock+0x170/0x170 [ 246.014005] ? mark_held_locks+0xc7/0x130 [ 246.018159] ? check_preemption_disabled+0x48/0x200 [ 246.023177] ? check_preemption_disabled+0x48/0x200 [ 246.028216] ? graph_lock+0x170/0x170 [ 246.032019] ? __lock_is_held+0xb5/0x140 [ 246.036089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.041631] ? check_preemption_disabled+0x48/0x200 [ 246.046664] ? __lock_is_held+0xb5/0x140 [ 246.050741] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 246.055783] ? inactive_list_is_low+0x305/0x880 [ 246.060469] ? lruvec_lru_size+0x450/0x450 [ 246.064711] ? kasan_check_read+0x11/0x20 [ 246.068880] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 246.073823] shrink_node_memcg+0x803/0x18e0 [ 246.078169] ? shrink_active_list+0x1c20/0x1c20 [ 246.082849] ? lockdep_hardirqs_on+0x421/0x5c0 [ 246.087438] ? trace_hardirqs_on+0xbd/0x310 [ 246.091774] ? vmpressure+0x294/0x310 [ 246.095580] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.101063] shrink_node+0x3bc/0x16b0 [ 246.104876] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 246.110183] ? shrink_node_memcg+0x18e0/0x18e0 [ 246.114772] ? lockdep_hardirqs_on+0x421/0x5c0 [ 246.119364] ? trace_hardirqs_on+0xbd/0x310 [ 246.123695] ? vmpressure+0x294/0x310 [ 246.127502] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.131913] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 246.136510] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 246.142056] ? __cpuset_node_allowed+0x19b/0x660 [ 246.146822] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 246.152545] ? vmpressure+0x1c9/0x310 [ 246.156363] do_try_to_free_pages+0x3e7/0x1290 [ 246.160980] ? shrink_node+0x16b0/0x16b0 [ 246.165054] ? __lock_is_held+0xb5/0x140 [ 246.169137] try_to_free_pages+0x4d0/0xb90 [ 246.173387] ? do_try_to_free_pages+0x1290/0x1290 [ 246.178237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.183831] ? lock_acquire+0x1ed/0x520 [ 246.187861] ? set_page_refcounted+0x280/0x280 [ 246.192464] ? lock_release+0x970/0x970 [ 246.196450] ? ___might_sleep+0x1ed/0x300 [ 246.200603] ? arch_local_save_flags+0x40/0x40 [ 246.205192] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 246.210217] ? __radix_tree_lookup+0x358/0x4c0 [ 246.214812] __alloc_pages_slowpath+0x993/0x2d80 [ 246.219599] ? kasan_check_read+0x11/0x20 [ 246.223765] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.229048] ? warn_alloc+0x120/0x120 [ 246.232854] ? __radix_tree_lookup+0x4c0/0x4c0 [ 246.237459] ? find_get_entry+0x2f2/0xc40 [ 246.241625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.247173] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 246.252110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.257665] ? should_fail+0x22d/0xd01 [ 246.261561] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.266671] ? __lock_is_held+0xb5/0x140 [ 246.270735] ? graph_lock+0x170/0x170 [ 246.274549] ? graph_lock+0x170/0x170 [ 246.278413] ? __lock_is_held+0xb5/0x140 [ 246.282487] ? __lock_acquire+0x7ec/0x4ec0 [ 246.286729] ? ___might_sleep+0x1ed/0x300 [ 246.290889] ? lock_release+0x970/0x970 [ 246.294873] ? arch_local_save_flags+0x40/0x40 [ 246.299480] ? __might_sleep+0x95/0x190 [ 246.303466] __alloc_pages_nodemask+0xa80/0xde0 [ 246.308160] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.313187] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.319001] ? kasan_check_read+0x11/0x20 [ 246.323165] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.328462] ? graph_lock+0x170/0x170 [ 246.332270] ? print_usage_bug+0xc0/0xc0 [ 246.336339] ? graph_lock+0x170/0x170 [ 246.340141] ? graph_lock+0x170/0x170 [ 246.343947] ? __do_page_cache_readahead+0x7ce/0x980 [ 246.349077] ? find_held_lock+0x36/0x1c0 [ 246.353157] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 246.358744] alloc_pages_current+0x10c/0x210 [ 246.363166] ? lock_downgrade+0x900/0x900 [ 246.367328] __page_cache_alloc+0x38f/0x5b0 [ 246.371664] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.377466] ? kasan_check_read+0x11/0x20 [ 246.381622] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.386906] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 246.391584] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.397126] ? check_preemption_disabled+0x48/0x200 [ 246.402160] filemap_fault+0x1594/0x25f0 [ 246.406239] ? __lock_page_or_retry+0xa00/0xa00 [ 246.410912] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.416712] ? kasan_check_read+0x11/0x20 [ 246.420869] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.426157] ? rcu_bh_qs+0xc0/0xc0 [ 246.429708] ? print_usage_bug+0xc0/0xc0 [ 246.433788] ? filemap_map_pages+0xdea/0x1980 [ 246.438299] ? print_usage_bug+0xc0/0xc0 [ 246.442375] ? find_get_pages_range_tag+0x1320/0x1320 [ 246.447570] ? print_usage_bug+0xc0/0xc0 [ 246.451635] ? __lock_acquire+0x7ec/0x4ec0 [ 246.455880] ? graph_lock+0x170/0x170 [ 246.459687] ? __sigqueue_free.part.27+0x7d/0xa0 [ 246.464452] ? __lock_acquire+0x7ec/0x4ec0 [ 246.468707] ? lock_acquire+0x1ed/0x520 [ 246.472688] ? ext4_filemap_fault+0x7a/0xad [ 246.477025] ? lock_release+0x970/0x970 [ 246.481006] ? arch_local_save_flags+0x40/0x40 [ 246.485592] ? mark_held_locks+0x130/0x130 [ 246.489850] ? down_read+0xb0/0x1d0 [ 246.493494] ? ext4_filemap_fault+0x7a/0xad [ 246.497829] ? __down_interruptible+0x700/0x700 [ 246.502519] ? graph_lock+0x170/0x170 [ 246.506326] ? __sigqueue_free.part.27+0x7d/0xa0 [ 246.511111] ext4_filemap_fault+0x82/0xad [ 246.515280] __do_fault+0x100/0x6b0 [ 246.518920] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.524207] ? print_bad_pte+0x6c0/0x6c0 [ 246.528283] ? pmd_val+0x88/0x100 [ 246.531741] ? add_mm_counter_fast+0xd0/0xd0 [ 246.536162] ? pmd_val+0x88/0x100 [ 246.539623] ? add_mm_counter_fast+0xd0/0xd0 [ 246.544042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.549595] __handle_mm_fault+0x3709/0x53e0 [ 246.554023] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 246.558876] ? graph_lock+0x170/0x170 [ 246.562686] ? print_usage_bug+0xc0/0xc0 [ 246.566762] ? graph_lock+0x170/0x170 [ 246.570565] ? graph_lock+0x170/0x170 [ 246.574396] ? handle_mm_fault+0x42a/0xc70 [ 246.578657] ? lock_downgrade+0x900/0x900 [ 246.582819] ? check_preemption_disabled+0x48/0x200 [ 246.587859] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.593660] ? kasan_check_read+0x11/0x20 [ 246.597818] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.603103] ? rcu_bh_qs+0xc0/0xc0 [ 246.606649] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.612108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.617651] ? check_preemption_disabled+0x48/0x200 [ 246.622694] handle_mm_fault+0x54f/0xc70 [ 246.626783] ? __handle_mm_fault+0x53e0/0x53e0 [ 246.631392] ? find_vma+0x34/0x190 [ 246.634951] __do_page_fault+0x67d/0xed0 [ 246.639043] ? mm_fault_error+0x380/0x380 [ 246.643208] ? syscall_slow_exit_work+0x520/0x520 [ 246.648068] do_page_fault+0xf2/0x7e0 [ 246.651883] ? vmalloc_sync_all+0x30/0x30 [ 246.656045] ? error_entry+0x70/0xd0 [ 246.659800] ? trace_hardirqs_off_caller+0xbb/0x300 [ 246.664822] ? trace_hardirqs_on_caller+0xc0/0x300 [ 246.669764] ? syscall_return_slowpath+0x5e0/0x5e0 [ 246.674715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.679582] ? trace_hardirqs_off+0x300/0x300 [ 246.684087] ? trace_hardirqs_off_caller+0x300/0x300 [ 246.689227] ? prepare_exit_to_usermode+0x291/0x3b0 [ 246.694266] ? page_fault+0x8/0x30 [ 246.697825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.702679] ? page_fault+0x8/0x30 [ 246.706230] page_fault+0x1e/0x30 [ 246.709698] RIP: 0033:0x45db60 [ 246.712908] Code: Bad RIP value. [ 246.716271] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 246.721644] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 246.728924] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 246.736214] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 246.743495] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 246.750789] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 246.758105] warn_alloc_show_mem: 1 callbacks suppressed [ 246.758119] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 246.758121] Mem-Info: [ 246.758152] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 246.758152] active_file:15 inactive_file:16 isolated_file:2 [ 246.758152] unevictable:0 dirty:0 writeback:0 unstable:0 [ 246.758152] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 246.758152] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 246.758152] free:13788 free_pcp:262 free_cma:0 [ 246.763511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.770741] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 246.773148] Call Trace: [ 246.806034] Node 0 [ 246.815384] [ 246.843091] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 246.845652] dump_stack+0x1c4/0x2b4 [ 246.847875] lowmem_reserve[]: [ 246.850026] ? dump_stack_print_info.cold.2+0x52/0x52 [ 246.875522] 0 [ 246.879170] warn_alloc.cold.118+0xb7/0x1bd [ 246.882231] 2815 [ 246.887419] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.889197] 6318 [ 246.893515] ? lock_downgrade+0x900/0x900 [ 246.895548] 6318 [ 246.900399] ? trace_hardirqs_off+0xb8/0x300 [ 246.902437] Node 0 [ 246.906582] ? trace_hardirqs_off+0xb8/0x300 [ 246.908649] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 246.913033] __alloc_pages_slowpath+0x2667/0x2d80 [ 246.915233] lowmem_reserve[]: 0 [ 246.919686] ? warn_alloc+0x120/0x120 [ 246.946637] 0 [ 246.951493] ? trace_hardirqs_on+0x310/0x310 [ 246.954735] 3503 [ 246.958540] ? warn_alloc+0x120/0x120 [ 246.960312] 3503 [ 246.966036] ? print_usage_bug+0xc0/0xc0 [ 246.971890] ? warn_alloc+0x120/0x120 [ 246.973927] Node 0 [ 246.978004] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 246.981808] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 246.984041] ? print_usage_bug+0xc0/0xc0 [ 246.989027] lowmem_reserve[]: [ 247.017418] ? __lock_acquire+0x7ec/0x4ec0 [ 247.021450] 0 [ 247.024552] ? __lock_acquire+0x7ec/0x4ec0 [ 247.028786] 0 [ 247.030592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.034794] 0 0 [ 247.036605] ? should_fail+0x22d/0xd01 [ 247.044090] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.047952] Node 0 DMA: [ 247.053062] ? __lock_acquire+0x7ec/0x4ec0 [ 247.053082] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.055733] 1*4kB [ 247.059961] ? __lock_acquire+0x7ec/0x4ec0 [ 247.065047] (U) [ 247.067200] ? should_fail+0x22d/0xd01 [ 247.071405] 0*8kB [ 247.073380] ? print_usage_bug+0xc0/0xc0 [ 247.077415] 0*16kB 1*32kB [ 247.079591] ? mark_held_locks+0x130/0x130 [ 247.083613] (U) [ 247.086455] ? mark_held_locks+0x130/0x130 [ 247.090663] 2*64kB [ 247.092639] ? graph_lock+0x170/0x170 [ 247.096847] (U) [ 247.099090] ? print_usage_bug+0xc0/0xc0 [ 247.102868] 1*128kB [ 247.104872] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.108897] (U) 1*256kB [ 247.111263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.115996] (U) [ 247.118677] ? check_preemption_disabled+0x48/0x200 [ 247.124195] 0*512kB [ 247.126178] ? check_preemption_disabled+0x48/0x200 [ 247.131167] 1*1024kB [ 247.133511] ? __lock_is_held+0xb5/0x140 [ 247.138486] (U) 1*2048kB [ 247.140923] __alloc_pages_nodemask+0xa80/0xde0 [ 247.144958] (M) [ 247.147735] ? graph_lock+0x170/0x170 [ 247.152393] 3*4096kB [ 247.154381] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 247.158150] (M) [ 247.160577] ? graph_lock+0x170/0x170 [ 247.165563] = 15908kB [ 247.165573] Node 0 [ 247.167561] ? find_held_lock+0x36/0x1c0 [ 247.171322] DMA32: [ 247.173738] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.175943] 3*4kB [ 247.180012] ? lock_downgrade+0x900/0x900 [ 247.182220] (M) [ 247.186899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.189019] 2*8kB [ 247.193177] cache_grow_begin+0x91/0x8c0 [ 247.195123] (M) [ 247.200669] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.202789] 1*16kB [ 247.206854] fallback_alloc+0x203/0x2e0 [ 247.208800] (M) [ 247.213210] ____cache_alloc_node+0x1c7/0x1e0 [ 247.215419] 1*32kB [ 247.219391] kmem_cache_alloc_node+0xe3/0x730 [ 247.221339] (M) [ 247.225834] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.228047] 3*64kB [ 247.232562] __alloc_skb+0x119/0x770 [ 247.234510] (UM) [ 247.238760] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.240978] 3*128kB [ 247.244696] ? skb_scrub_packet+0x490/0x490 [ 247.246731] (M) [ 247.252013] ? lock_downgrade+0x900/0x900 [ 247.254311] 2*256kB [ 247.258642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.260582] (M) [ 247.264726] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.267024] 3*512kB [ 247.272568] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.274515] (M) [ 247.279992] ? addrconf_rs_timer+0x6f0/0x6f0 [ 247.282281] 4*1024kB (UM) [ 247.287762] ndisc_alloc_skb+0x144/0x340 [ 247.289707] 3*2048kB [ 247.294122] ndisc_send_rs+0x331/0x6e0 [ 247.296939] (UM) [ 247.301016] addrconf_rs_timer+0x3c0/0x6f0 [ 247.303394] 3*4096kB [ 247.307289] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.309322] (M) [ 247.313565] call_timer_fn+0x272/0x920 [ 247.315941] = 25228kB [ 247.320177] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.322126] Node 0 [ 247.326015] ? process_timeout+0x40/0x40 [ 247.328393] Normal: [ 247.332628] ? find_held_lock+0x36/0x1c0 [ 247.334841] 866*4kB [ 247.338909] ? __run_timers+0x7da/0xc70 [ 247.341199] (ME) [ 247.345267] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.347561] 469*8kB [ 247.351529] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.353568] (UME) [ 247.358065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.360366] 197*16kB [ 247.364870] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 247.366999] (UME) [ 247.371244] ? trace_hardirqs_on+0xbd/0x310 [ 247.373646] 59*32kB [ 247.378242] ? kasan_check_read+0x11/0x20 [ 247.380365] (UME) [ 247.384706] ? __run_timers+0x7da/0xc70 [ 247.387000] 18*64kB [ 247.391145] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.393263] (ME) 3*128kB [ 247.397256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.399548] (M) [ 247.405008] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.407738] 1*256kB [ 247.411985] __run_timers+0x7e5/0xc70 [ 247.413931] (U) [ 247.418177] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.420468] 0*512kB [ 247.424272] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.426221] 0*1024kB [ 247.431579] ? graph_lock+0x170/0x170 [ 247.433876] 0*2048kB [ 247.438890] ? enqueue_hrtimer+0x1a5/0x560 [ 247.441276] 0*4096kB [ 247.445075] ? lock_release+0x970/0x970 [ 247.447464] = 14048kB [ 247.451692] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 247.454086] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 247.458067] ? find_held_lock+0x36/0x1c0 [ 247.460456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 247.465649] ? graph_lock+0x170/0x170 [ 247.474484] 412 total pagecache pages [ 247.478551] ? pvclock_read_flags+0x160/0x160 [ 247.487107] 0 pages in swap cache [ 247.490917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.494688] Swap cache stats: add 0, delete 0, find 0/0 [ 247.499181] ? check_preemption_disabled+0x48/0x200 [ 247.502610] Free swap = 0kB [ 247.508156] ? __lock_is_held+0xb5/0x140 [ 247.513484] Total swap = 0kB [ 247.513494] 1965979 pages RAM [ 247.518523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.521512] 0 pages HighMem/MovableOnly [ 247.525565] ? check_preemption_disabled+0x48/0x200 [ 247.528571] 343323 pages reserved [ 247.531675] run_timer_softirq+0x52/0xb0 [ 247.537178] 0 pages cma reserved [ 247.537289] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.541161] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.546221] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.549601] __do_softirq+0x30b/0xad8 [ 247.553634] syz-fuzzer cpuset= [ 247.557011] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.563482] / [ 247.568507] ? pvclock_read_flags+0x160/0x160 [ 247.578713] mems_allowed=0 [ 247.582519] ? lapic_next_event+0x5a/0x90 [ 247.604051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.609611] ? check_preemption_disabled+0x48/0x200 [ 247.614632] ? check_preemption_disabled+0x48/0x200 [ 247.619668] ? kvm_clock_read+0x18/0x30 [ 247.623646] ? kvm_sched_clock_read+0x9/0x20 [ 247.628069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.633625] ? check_preemption_disabled+0x48/0x200 [ 247.638683] irq_exit+0x17f/0x1c0 [ 247.642151] smp_apic_timer_interrupt+0x1cb/0x760 [ 247.647008] ? smp_reschedule_interrupt+0x109/0x650 [ 247.652044] ? smp_call_function_single_interrupt+0x650/0x650 [ 247.657947] ? interrupt_entry+0xb5/0xf0 [ 247.662025] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.667048] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.672078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.676926] ? trace_hardirqs_off+0x300/0x300 [ 247.681438] ? trace_hardirqs_off+0x300/0x300 [ 247.685946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.691496] ? check_preemption_disabled+0x48/0x200 [ 247.696518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.702069] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.706927] apic_timer_interrupt+0xf/0x20 [ 247.711168] [ 247.713426] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 247.718362] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 247.737285] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 247.745007] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 247.752285] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 247.759574] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 247.766863] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 247.774143] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 247.781471] skb_clone+0x1bb/0x500 [ 247.785016] ? skb_split+0x11e0/0x11e0 [ 247.788918] ? dev_forward_skb+0x4c/0x60 [ 247.792992] ? __bpf_redirect+0x54b/0xb20 [ 247.797148] ? __switch_to_asm+0x34/0x70 [ 247.801220] bpf_clone_redirect+0xb9/0x490 [ 247.805475] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 247.810500] ? __sched_text_start+0x8/0x8 [ 247.814664] ? lockdep_hardirqs_on+0x421/0x5c0 [ 247.819274] ? retint_kernel+0x2d/0x2d [ 247.823187] ? trace_hardirqs_on_caller+0xc0/0x300 [ 247.828147] ? find_held_lock+0x36/0x1c0 [ 247.832728] ? lock_acquire+0x1ed/0x520 [ 247.836712] ? bpf_test_run+0x32e/0x5a0 [ 247.840693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.846240] ? check_preemption_disabled+0x48/0x200 [ 247.851278] ? kasan_check_read+0x11/0x20 [ 247.855434] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.860808] ? rcu_bh_qs+0xc0/0xc0 [ 247.864355] ? preempt_schedule+0x4d/0x60 [ 247.868511] ? ___preempt_schedule+0x16/0x18 [ 247.872937] ? bpf_test_run+0x1c0/0x5a0 [ 247.876940] ? netlink_diag_dump+0x2a0/0x2a0 [ 247.881372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.886914] ? bpf_test_init.isra.9+0x70/0x100 [ 247.891505] ? bpf_prog_test_run_skb+0x634/0xb40 [ 247.896277] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.901138] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.906681] ? fput+0x130/0x1a0 [ 247.909982] ? __bpf_prog_get+0x9b/0x290 [ 247.914059] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.918907] ? bpf_prog_test_run+0x130/0x1a0 [ 247.923325] ? __x64_sys_bpf+0x3d8/0x510 [ 247.927393] ? bpf_prog_get+0x20/0x20 [ 247.931216] ? ksys_ioctl+0x81/0xd0 [ 247.934868] ? do_syscall_64+0x1b9/0x820 [ 247.938939] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.944319] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.949262] ? trace_hardirqs_off+0x300/0x300 [ 247.953764] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.958788] ? recalc_sigpending_tsk+0x180/0x180 [ 247.963858] ? kasan_check_write+0x14/0x20 [ 247.968115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.972988] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.978379] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 247.978468] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.985324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.985337] Call Trace: [ 247.991982] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 248.001188] [ 248.003772] syz-executor0 cpuset= [ 248.014290] dump_stack+0x1c4/0x2b4 [ 248.016417] syz0 [ 248.019876] ? dump_stack_print_info.cold.2+0x52/0x52 [ 248.023483] mems_allowed=0 [ 248.025475] warn_alloc.cold.118+0xb7/0x1bd [ 248.037902] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.042779] ? lock_downgrade+0x900/0x900 [ 248.046949] ? trace_hardirqs_off+0xb8/0x300 [ 248.051395] ? trace_hardirqs_off+0xb8/0x300 [ 248.055830] __alloc_pages_slowpath+0x2667/0x2d80 [ 248.060740] ? warn_alloc+0x120/0x120 [ 248.064568] ? graph_lock+0x170/0x170 [ 248.068392] ? warn_alloc+0x120/0x120 [ 248.072203] ? print_usage_bug+0xc0/0xc0 [ 248.076281] ? warn_alloc+0x120/0x120 [ 248.080103] ? print_usage_bug+0xc0/0xc0 [ 248.084177] ? __lock_acquire+0x7ec/0x4ec0 [ 248.088415] ? __lock_acquire+0x7ec/0x4ec0 [ 248.092656] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.098198] ? should_fail+0x22d/0xd01 [ 248.102122] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.107227] ? __lock_acquire+0x7ec/0x4ec0 [ 248.111470] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.116576] ? __lock_acquire+0x7ec/0x4ec0 [ 248.120813] ? should_fail+0x22d/0xd01 [ 248.124714] ? mark_held_locks+0x130/0x130 [ 248.128976] ? mark_held_locks+0x130/0x130 [ 248.133234] ? graph_lock+0x170/0x170 [ 248.137040] ? graph_lock+0x170/0x170 [ 248.140848] ? graph_lock+0x170/0x170 [ 248.144648] ? print_usage_bug+0xc0/0xc0 [ 248.148718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.154266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.159808] ? check_preemption_disabled+0x48/0x200 [ 248.164831] ? check_preemption_disabled+0x48/0x200 [ 248.169864] ? __lock_is_held+0xb5/0x140 [ 248.173935] __alloc_pages_nodemask+0xa80/0xde0 [ 248.178618] ? graph_lock+0x170/0x170 [ 248.182437] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.187454] ? graph_lock+0x170/0x170 [ 248.191271] ? find_held_lock+0x36/0x1c0 [ 248.195353] ? ____cache_alloc_node+0x1c7/0x1e0 [ 248.200032] ? lock_downgrade+0x900/0x900 [ 248.204196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.209744] cache_grow_begin+0x91/0x8c0 [ 248.213818] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.218241] fallback_alloc+0x203/0x2e0 [ 248.222226] ____cache_alloc_node+0x1c7/0x1e0 [ 248.226733] kmem_cache_alloc_node+0xe3/0x730 [ 248.231239] ? ipv6_get_ifaddr+0x42e/0x620 [ 248.235490] __alloc_skb+0x119/0x770 [ 248.239210] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.244496] ? skb_scrub_packet+0x490/0x490 [ 248.248828] ? lock_downgrade+0x900/0x900 [ 248.252993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.258536] ? refcount_sub_and_test_checked+0x203/0x310 [ 248.264010] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 248.269477] ? addrconf_rs_timer+0x6f0/0x6f0 [ 248.273910] ndisc_alloc_skb+0x144/0x340 [ 248.277988] ndisc_send_rs+0x331/0x6e0 [ 248.281886] addrconf_rs_timer+0x3c0/0x6f0 [ 248.286137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.290399] call_timer_fn+0x272/0x920 [ 248.294296] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.298540] ? process_timeout+0x40/0x40 [ 248.302611] ? find_held_lock+0x36/0x1c0 [ 248.306684] ? mark_held_locks+0xc7/0x130 [ 248.310842] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.315340] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.319845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.324088] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 248.328680] ? trace_hardirqs_on+0xbd/0x310 [ 248.333005] ? kasan_check_read+0x11/0x20 [ 248.337159] ? __run_timers+0x7da/0xc70 [ 248.341141] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.346606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.350858] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.355099] __run_timers+0x7e5/0xc70 [ 248.358923] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 248.364329] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 248.369366] ? graph_lock+0x170/0x170 [ 248.373199] ? print_usage_bug+0xc0/0xc0 [ 248.377280] ? lock_release+0x970/0x970 [ 248.381278] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 248.386525] ? find_held_lock+0x36/0x1c0 [ 248.390624] ? graph_lock+0x170/0x170 [ 248.394454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.400014] ? check_preemption_disabled+0x48/0x200 [ 248.405059] ? __lock_is_held+0xb5/0x140 [ 248.409147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.414700] ? check_preemption_disabled+0x48/0x200 [ 248.419756] run_timer_softirq+0x52/0xb0 [ 248.423833] ? rcu_read_lock_sched_held+0x108/0x120 [ 248.428883] __do_softirq+0x30b/0xad8 [ 248.432699] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 248.437812] ? pvclock_read_flags+0x160/0x160 [ 248.442308] ? lapic_next_event+0x5a/0x90 [ 248.446466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.452007] ? check_preemption_disabled+0x48/0x200 [ 248.457027] ? check_preemption_disabled+0x48/0x200 [ 248.462058] ? kvm_clock_read+0x18/0x30 [ 248.466040] ? kvm_sched_clock_read+0x9/0x20 [ 248.470453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.476003] ? check_preemption_disabled+0x48/0x200 [ 248.481039] irq_exit+0x17f/0x1c0 [ 248.484503] smp_apic_timer_interrupt+0x1cb/0x760 [ 248.489357] ? smp_call_function_single_interrupt+0x650/0x650 [ 248.495250] ? interrupt_entry+0xb5/0xf0 [ 248.499317] ? trace_hardirqs_off_caller+0xbb/0x300 [ 248.504335] ? trace_hardirqs_off_caller+0xbb/0x300 [ 248.509360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.514572] ? trace_hardirqs_off+0x300/0x300 [ 248.519085] ? trace_hardirqs_off+0x300/0x300 [ 248.523597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.529142] ? check_preemption_disabled+0x48/0x200 [ 248.534163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.539806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.544671] apic_timer_interrupt+0xf/0x20 [ 248.548925] [ 248.551171] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 248.556545] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 248.575464] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 248.583192] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 248.590469] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 248.597757] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 248.605052] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 248.612352] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 248.619673] ? page_evictable+0x35d/0x540 [ 248.623851] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 248.629408] page_evictable+0x36b/0x540 [ 248.633399] ? kswapd_stop+0x100/0x100 [ 248.637296] ? ___might_sleep+0x1ed/0x300 [ 248.641452] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.646910] ? arch_local_save_flags+0x40/0x40 [ 248.651500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.657045] ? check_preemption_disabled+0x48/0x200 [ 248.662075] shrink_active_list+0x845/0x1c20 [ 248.666493] ? free_unref_page_list+0xc0f/0x11e0 [ 248.671286] ? shrink_inactive_list+0x1c60/0x1c60 [ 248.676165] ? graph_lock+0x170/0x170 [ 248.679984] ? __page_frag_cache_drain+0x200/0x200 [ 248.684918] ? print_usage_bug+0xc0/0xc0 [ 248.689007] ? find_held_lock+0x36/0x1c0 [ 248.693077] ? graph_lock+0x170/0x170 [ 248.696885] ? mark_held_locks+0xc7/0x130 [ 248.701038] ? check_preemption_disabled+0x48/0x200 [ 248.706058] ? check_preemption_disabled+0x48/0x200 [ 248.711085] ? graph_lock+0x170/0x170 [ 248.714891] ? __lock_is_held+0xb5/0x140 [ 248.718958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.724534] ? check_preemption_disabled+0x48/0x200 [ 248.729599] ? __lock_is_held+0xb5/0x140 [ 248.733707] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 248.738747] ? inactive_list_is_low+0x305/0x880 [ 248.743439] ? lruvec_lru_size+0x450/0x450 [ 248.747682] ? kasan_check_read+0x11/0x20 [ 248.751850] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 248.756802] shrink_node_memcg+0x803/0x18e0 [ 248.761151] ? shrink_active_list+0x1c20/0x1c20 [ 248.765836] ? lockdep_hardirqs_on+0x421/0x5c0 [ 248.770426] ? trace_hardirqs_on+0xbd/0x310 [ 248.774767] ? vmpressure+0x294/0x310 [ 248.778576] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.784068] shrink_node+0x3bc/0x16b0 [ 248.787910] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 248.793218] ? shrink_node_memcg+0x18e0/0x18e0 [ 248.797803] ? lockdep_hardirqs_on+0x421/0x5c0 [ 248.802393] ? trace_hardirqs_on+0xbd/0x310 [ 248.806721] ? vmpressure+0x294/0x310 [ 248.810535] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.814947] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 248.819549] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 248.825120] ? __cpuset_node_allowed+0x19b/0x660 [ 248.829993] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 248.835737] ? vmpressure+0x1c9/0x310 [ 248.839585] do_try_to_free_pages+0x3e7/0x1290 [ 248.844208] ? shrink_node+0x16b0/0x16b0 [ 248.848290] ? __lock_is_held+0xb5/0x140 [ 248.852380] try_to_free_pages+0x4d0/0xb90 [ 248.856631] ? do_try_to_free_pages+0x1290/0x1290 [ 248.861488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.867056] ? lock_acquire+0x1ed/0x520 [ 248.871045] ? set_page_refcounted+0x280/0x280 [ 248.875645] ? lock_release+0x970/0x970 [ 248.879642] ? ___might_sleep+0x1ed/0x300 [ 248.883809] ? arch_local_save_flags+0x40/0x40 [ 248.888408] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 248.893441] ? __radix_tree_lookup+0x358/0x4c0 [ 248.898055] __alloc_pages_slowpath+0x993/0x2d80 [ 248.902856] ? kasan_check_read+0x11/0x20 [ 248.907045] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.912349] ? warn_alloc+0x120/0x120 [ 248.916166] ? __radix_tree_lookup+0x4c0/0x4c0 [ 248.920780] ? find_get_entry+0x2f2/0xc40 [ 248.924952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.930519] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 248.935468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.941025] ? should_fail+0x22d/0xd01 [ 248.944939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.950064] ? __lock_is_held+0xb5/0x140 [ 248.954130] ? graph_lock+0x170/0x170 [ 248.957939] ? graph_lock+0x170/0x170 [ 248.961788] ? __lock_is_held+0xb5/0x140 [ 248.965865] ? __lock_acquire+0x7ec/0x4ec0 [ 248.970114] ? ___might_sleep+0x1ed/0x300 [ 248.974271] ? lock_release+0x970/0x970 [ 248.978256] ? arch_local_save_flags+0x40/0x40 [ 248.982872] ? __might_sleep+0x95/0x190 [ 248.986864] __alloc_pages_nodemask+0xa80/0xde0 [ 248.991547] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.996575] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 249.002377] ? kasan_check_read+0x11/0x20 [ 249.006532] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.011814] ? graph_lock+0x170/0x170 [ 249.015621] ? print_usage_bug+0xc0/0xc0 [ 249.019686] ? graph_lock+0x170/0x170 [ 249.023491] ? graph_lock+0x170/0x170 [ 249.027298] ? __do_page_cache_readahead+0x7ce/0x980 [ 249.032412] ? find_held_lock+0x36/0x1c0 [ 249.036486] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 249.042055] alloc_pages_current+0x10c/0x210 [ 249.046482] ? lock_downgrade+0x900/0x900 [ 249.050667] __page_cache_alloc+0x38f/0x5b0 [ 249.055014] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 249.060819] ? kasan_check_read+0x11/0x20 [ 249.064989] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.070298] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 249.075026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.080591] ? check_preemption_disabled+0x48/0x200 [ 249.085641] filemap_fault+0x1594/0x25f0 [ 249.089734] ? __lock_page_or_retry+0xa00/0xa00 [ 249.094450] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 249.100265] ? kasan_check_read+0x11/0x20 [ 249.104432] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.109730] ? rcu_bh_qs+0xc0/0xc0 [ 249.113291] ? print_usage_bug+0xc0/0xc0 [ 249.117370] ? filemap_map_pages+0xdea/0x1980 [ 249.121883] ? print_usage_bug+0xc0/0xc0 [ 249.125958] ? find_get_pages_range_tag+0x1320/0x1320 [ 249.131163] ? print_usage_bug+0xc0/0xc0 [ 249.135226] ? __lock_acquire+0x7ec/0x4ec0 [ 249.139464] ? graph_lock+0x170/0x170 [ 249.143269] ? __sigqueue_free.part.27+0x7d/0xa0 [ 249.148035] ? __lock_acquire+0x7ec/0x4ec0 [ 249.152285] ? lock_acquire+0x1ed/0x520 [ 249.156263] ? ext4_filemap_fault+0x7a/0xad [ 249.160596] ? lock_release+0x970/0x970 [ 249.164576] ? arch_local_save_flags+0x40/0x40 [ 249.169166] ? mark_held_locks+0x130/0x130 [ 249.173422] ? down_read+0xb0/0x1d0 [ 249.177054] ? ext4_filemap_fault+0x7a/0xad [ 249.181380] ? __down_interruptible+0x700/0x700 [ 249.186053] ? graph_lock+0x170/0x170 [ 249.189856] ? __sigqueue_free.part.27+0x7d/0xa0 [ 249.194638] ext4_filemap_fault+0x82/0xad [ 249.198792] __do_fault+0x100/0x6b0 [ 249.202427] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.207713] ? print_bad_pte+0x6c0/0x6c0 [ 249.211789] ? pmd_val+0x88/0x100 [ 249.215246] ? add_mm_counter_fast+0xd0/0xd0 [ 249.219658] ? pmd_val+0x88/0x100 [ 249.223117] ? add_mm_counter_fast+0xd0/0xd0 [ 249.227534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.233081] __handle_mm_fault+0x3709/0x53e0 [ 249.237508] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 249.242368] ? graph_lock+0x170/0x170 [ 249.246180] ? print_usage_bug+0xc0/0xc0 [ 249.250253] ? graph_lock+0x170/0x170 [ 249.254058] ? graph_lock+0x170/0x170 [ 249.257884] ? handle_mm_fault+0x42a/0xc70 [ 249.262141] ? lock_downgrade+0x900/0x900 [ 249.266297] ? check_preemption_disabled+0x48/0x200 [ 249.271328] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 249.277137] ? kasan_check_read+0x11/0x20 [ 249.281293] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.286583] ? rcu_bh_qs+0xc0/0xc0 [ 249.290136] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.295593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.301151] ? check_preemption_disabled+0x48/0x200 [ 249.306189] handle_mm_fault+0x54f/0xc70 [ 249.310264] ? __handle_mm_fault+0x53e0/0x53e0 [ 249.314866] ? find_vma+0x34/0x190 [ 249.318417] __do_page_fault+0x67d/0xed0 [ 249.322497] ? mm_fault_error+0x380/0x380 [ 249.326661] ? syscall_slow_exit_work+0x520/0x520 [ 249.331512] do_page_fault+0xf2/0x7e0 [ 249.335326] ? vmalloc_sync_all+0x30/0x30 [ 249.339486] ? error_entry+0x70/0xd0 [ 249.343220] ? trace_hardirqs_off_caller+0xbb/0x300 [ 249.348239] ? trace_hardirqs_on_caller+0xc0/0x300 [ 249.353178] ? syscall_return_slowpath+0x5e0/0x5e0 [ 249.358113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.362972] ? trace_hardirqs_off+0x300/0x300 [ 249.367479] ? trace_hardirqs_off_caller+0x300/0x300 [ 249.372597] ? prepare_exit_to_usermode+0x291/0x3b0 [ 249.377622] ? page_fault+0x8/0x30 [ 249.381170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.386018] ? page_fault+0x8/0x30 [ 249.389564] page_fault+0x1e/0x30 [ 249.393022] RIP: 0033:0x45db60 [ 249.396227] Code: Bad RIP value. [ 249.399590] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 249.404956] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 249.412244] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 249.419521] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 249.426788] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 249.434057] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 249.441361] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 249.441367] warn_alloc_show_mem: 1 callbacks suppressed [ 249.441375] Mem-Info: [ 249.448550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.448559] Call Trace: [ 249.453933] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 249.453933] active_file:15 inactive_file:16 isolated_file:2 [ 249.453933] unevictable:0 dirty:0 writeback:0 unstable:0 [ 249.453933] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 249.453933] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 249.453933] free:13788 free_pcp:262 free_cma:0 [ 249.456308] [ 249.465673] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 249.468263] dump_stack+0x1c4/0x2b4 [ 249.501120] Node 0 [ 249.503285] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.530958] 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 [ 249.534573] warn_alloc.cold.118+0xb7/0x1bd [ 249.536761] lowmem_reserve[]: 0 [ 249.541954] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.567451] 2815 [ 249.571781] ? lock_downgrade+0x900/0x900 [ 249.575027] 6318 [ 249.579867] ? trace_hardirqs_off+0xb8/0x300 [ 249.581902] 6318 [ 249.586042] ? trace_hardirqs_off+0xb8/0x300 [ 249.592500] __alloc_pages_slowpath+0x2667/0x2d80 [ 249.594532] Node 0 [ 249.598958] ? warn_alloc+0x120/0x120 [ 249.603778] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 249.605987] ? trace_hardirqs_on+0x310/0x310 [ 249.609774] lowmem_reserve[]: [ 249.636791] ? warn_alloc+0x120/0x120 [ 249.641170] 0 [ 249.644280] ? print_usage_bug+0xc0/0xc0 [ 249.648055] 0 [ 249.649859] ? warn_alloc+0x120/0x120 [ 249.653888] 3503 [ 249.655690] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 249.659467] 3503 [ 249.661534] ? print_usage_bug+0xc0/0xc0 [ 249.668582] ? __lock_acquire+0x7ec/0x4ec0 [ 249.672617] Node 0 [ 249.676855] ? __lock_acquire+0x7ec/0x4ec0 [ 249.676888] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 249.676896] lowmem_reserve[]: [ 249.679132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.683343] 0 [ 249.711731] ? should_fail+0x22d/0xd01 [ 249.714808] 0 [ 249.720337] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.722112] 0 [ 249.726003] ? __lock_acquire+0x7ec/0x4ec0 [ 249.727811] 0 [ 249.732910] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.738915] ? __lock_acquire+0x7ec/0x4ec0 [ 249.740692] Node 0 [ 249.745787] ? should_fail+0x22d/0xd01 [ 249.750006] DMA: [ 249.752239] ? print_usage_bug+0xc0/0xc0 [ 249.756102] 1*4kB [ 249.758165] ? mark_held_locks+0x130/0x130 [ 249.762197] (U) [ 249.764339] ? mark_held_locks+0x130/0x130 [ 249.768547] 0*8kB [ 249.770520] ? graph_lock+0x170/0x170 [ 249.774726] 0*16kB [ 249.776869] ? print_usage_bug+0xc0/0xc0 [ 249.780648] 1*32kB [ 249.782880] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.786909] (U) [ 249.789141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.793871] 2*64kB [ 249.795840] ? check_preemption_disabled+0x48/0x200 [ 249.801351] (U) [ 249.803586] ? check_preemption_disabled+0x48/0x200 [ 249.808580] 1*128kB [ 249.810560] ? __lock_is_held+0xb5/0x140 [ 249.815544] (U) [ 249.817866] __alloc_pages_nodemask+0xa80/0xde0 [ 249.821898] 1*256kB [ 249.823867] ? graph_lock+0x170/0x170 [ 249.828513] (U) [ 249.831032] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 249.834811] 0*512kB [ 249.836782] ? graph_lock+0x170/0x170 [ 249.841769] 1*1024kB (U) [ 249.844104] ? find_held_lock+0x36/0x1c0 [ 249.847876] 1*2048kB [ 249.850636] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.854663] (M) [ 249.857067] ? lock_downgrade+0x900/0x900 [ 249.861710] 3*4096kB [ 249.863708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.867827] (M) [ 249.870238] cache_grow_begin+0x91/0x8c0 [ 249.875756] = 15908kB [ 249.877727] ? do_raw_spin_unlock+0xa7/0x2f0 [ 249.881778] Node 0 [ 249.884191] fallback_alloc+0x203/0x2e0 [ 249.888568] DMA32: [ 249.890816] ____cache_alloc_node+0x1c7/0x1e0 [ 249.894766] 3*4kB [ 249.897009] kmem_cache_alloc_node+0xe3/0x730 [ 249.901476] (M) [ 249.903627] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.908111] 2*8kB [ 249.910093] __alloc_skb+0x119/0x770 [ 249.914290] (M) [ 249.916440] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.920122] 1*16kB [ 249.922100] ? skb_scrub_packet+0x490/0x490 [ 249.927347] (M) [ 249.929580] ? lock_downgrade+0x900/0x900 [ 249.933871] 1*32kB [ 249.935847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.940305] (M) 3*64kB [ 249.942553] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.948061] (UM) 3*128kB [ 249.950651] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.956073] (M) [ 249.958833] ? addrconf_rs_timer+0x6f0/0x6f0 [ 249.964807] 2*256kB (M) [ 249.966803] ndisc_alloc_skb+0x144/0x340 [ 249.971175] 3*512kB [ 249.973848] ndisc_send_rs+0x331/0x6e0 [ 249.977876] (M) 4*1024kB [ 249.980209] addrconf_rs_timer+0x3c0/0x6f0 [ 249.984071] (UM) [ 249.986824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.991030] 3*2048kB [ 249.993095] call_timer_fn+0x272/0x920 [ 249.997294] (UM) [ 249.999703] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.003571] 3*4096kB [ 250.005642] ? process_timeout+0x40/0x40 [ 250.009842] (M) [ 250.012351] ? find_held_lock+0x36/0x1c0 [ 250.016388] = 25228kB [ 250.018363] ? __run_timers+0x7da/0xc70 [ 250.022392] Node 0 [ 250.024799] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.028747] Normal: [ 250.030999] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.035470] 866*4kB [ 250.037788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.042259] (ME) [ 250.044576] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 250.048786] 469*8kB [ 250.050846] ? trace_hardirqs_on+0xbd/0x310 [ 250.055401] (UME) [ 250.057720] ? kasan_check_read+0x11/0x20 [ 250.062018] 197*16kB [ 250.064163] ? __run_timers+0x7da/0xc70 [ 250.068285] (UME) [ 250.070694] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.074634] 59*32kB (UME) [ 250.076790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.082214] 18*64kB [ 250.085057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.089267] (ME) [ 250.091593] __run_timers+0x7e5/0xc70 [ 250.095795] 3*128kB [ 250.097867] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.101628] (M) [ 250.103947] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.109284] 1*256kB [ 250.111263] ? graph_lock+0x170/0x170 [ 250.116248] (U) [ 250.118569] ? enqueue_hrtimer+0x1a5/0x560 [ 250.122342] 0*512kB 0*1024kB [ 250.124320] ? lock_release+0x970/0x970 [ 250.128533] 0*2048kB [ 250.131629] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 250.135578] 0*4096kB [ 250.137993] ? find_held_lock+0x36/0x1c0 [ 250.143158] = 14048kB [ 250.145565] ? graph_lock+0x170/0x170 [ 250.149606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 250.152008] ? pvclock_read_flags+0x160/0x160 [ 250.155789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 250.164617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.169091] 412 total pagecache pages [ 250.177664] ? check_preemption_disabled+0x48/0x200 [ 250.183187] 0 pages in swap cache [ 250.186995] ? __lock_is_held+0xb5/0x140 [ 250.191988] Swap cache stats: add 0, delete 0, find 0/0 [ 250.195439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.199473] Free swap = 0kB [ 250.204827] ? check_preemption_disabled+0x48/0x200 [ 250.210341] Total swap = 0kB [ 250.213359] run_timer_softirq+0x52/0xb0 [ 250.218343] 1965979 pages RAM [ 250.221356] ? rcu_read_lock_sched_held+0x108/0x120 [ 250.225385] 0 pages HighMem/MovableOnly [ 250.225394] 343323 pages reserved [ 250.228500] __do_softirq+0x30b/0xad8 [ 250.233505] 0 pages cma reserved [ 250.237480] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 250.240985] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.244696] ? pvclock_read_flags+0x160/0x160 [ 250.248159] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.253133] ? lapic_next_event+0x5a/0x90 [ 250.259599] syz-fuzzer cpuset= [ 250.264094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.274293] / [ 250.278433] ? check_preemption_disabled+0x48/0x200 [ 250.281607] mems_allowed=0 [ 250.287132] ? check_preemption_disabled+0x48/0x200 [ 250.301753] ? kvm_clock_read+0x18/0x30 [ 250.305731] ? kvm_sched_clock_read+0x9/0x20 [ 250.310146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.315703] ? check_preemption_disabled+0x48/0x200 [ 250.320737] irq_exit+0x17f/0x1c0 [ 250.324204] smp_apic_timer_interrupt+0x1cb/0x760 [ 250.329052] ? smp_reschedule_interrupt+0x109/0x650 [ 250.334082] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.339978] ? interrupt_entry+0xb5/0xf0 [ 250.344045] ? trace_hardirqs_off_caller+0xbb/0x300 [ 250.349064] ? trace_hardirqs_off_caller+0xbb/0x300 [ 250.354084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.358929] ? trace_hardirqs_off+0x300/0x300 [ 250.363428] ? trace_hardirqs_off+0x300/0x300 [ 250.367930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.373479] ? check_preemption_disabled+0x48/0x200 [ 250.378501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.384051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.388908] apic_timer_interrupt+0xf/0x20 [ 250.393137] [ 250.395378] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 250.400315] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 250.419219] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 250.426938] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 250.434476] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 250.441746] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 250.449017] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 250.456290] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 250.463610] skb_clone+0x1bb/0x500 [ 250.467158] ? skb_split+0x11e0/0x11e0 [ 250.471056] ? dev_forward_skb+0x4c/0x60 [ 250.475123] ? __bpf_redirect+0x54b/0xb20 [ 250.479278] ? __switch_to_asm+0x34/0x70 [ 250.483348] bpf_clone_redirect+0xb9/0x490 [ 250.487596] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 250.492620] ? __sched_text_start+0x8/0x8 [ 250.496774] ? lockdep_hardirqs_on+0x421/0x5c0 [ 250.501360] ? retint_kernel+0x2d/0x2d [ 250.505257] ? trace_hardirqs_on_caller+0xc0/0x300 [ 250.510214] ? find_held_lock+0x36/0x1c0 [ 250.514295] ? lock_acquire+0x1ed/0x520 [ 250.518274] ? bpf_test_run+0x32e/0x5a0 [ 250.522257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.527795] ? check_preemption_disabled+0x48/0x200 [ 250.532826] ? kasan_check_read+0x11/0x20 [ 250.536994] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.542307] ? rcu_bh_qs+0xc0/0xc0 [ 250.545858] ? preempt_schedule+0x4d/0x60 [ 250.550010] ? ___preempt_schedule+0x16/0x18 [ 250.554441] ? bpf_test_run+0x1c0/0x5a0 [ 250.558437] ? netlink_diag_dump+0x2a0/0x2a0 [ 250.562857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.568426] ? bpf_test_init.isra.9+0x70/0x100 [ 250.573050] ? bpf_prog_test_run_skb+0x634/0xb40 [ 250.577815] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 250.582677] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 250.588223] ? fput+0x130/0x1a0 [ 250.591512] ? __bpf_prog_get+0x9b/0x290 [ 250.595589] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 250.600437] ? bpf_prog_test_run+0x130/0x1a0 [ 250.604858] ? __x64_sys_bpf+0x3d8/0x510 [ 250.608924] ? bpf_prog_get+0x20/0x20 [ 250.612741] ? ksys_ioctl+0x81/0xd0 [ 250.616392] ? do_syscall_64+0x1b9/0x820 [ 250.620461] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 250.625828] ? syscall_return_slowpath+0x5e0/0x5e0 [ 250.630767] ? trace_hardirqs_off+0x300/0x300 [ 250.635277] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 250.640300] ? recalc_sigpending_tsk+0x180/0x180 [ 250.645059] ? kasan_check_write+0x14/0x20 [ 250.649301] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.654156] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 250.659540] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 250.659634] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.666473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.666482] Call Trace: [ 250.673063] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.682310] [ 250.684885] syz-executor0 cpuset= [ 250.695366] dump_stack+0x1c4/0x2b4 [ 250.697487] syz0 [ 250.700938] ? dump_stack_print_info.cold.2+0x52/0x52 [ 250.704544] mems_allowed=0 [ 250.706521] warn_alloc.cold.118+0xb7/0x1bd [ 250.718915] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 250.723771] ? lock_downgrade+0x900/0x900 [ 250.727933] ? trace_hardirqs_off+0xb8/0x300 [ 250.732360] ? trace_hardirqs_off+0xb8/0x300 [ 250.736783] __alloc_pages_slowpath+0x2667/0x2d80 [ 250.741660] ? warn_alloc+0x120/0x120 [ 250.745472] ? warn_alloc+0x120/0x120 [ 250.749279] ? print_usage_bug+0xc0/0xc0 [ 250.753345] ? warn_alloc+0x120/0x120 [ 250.757150] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 250.762170] ? print_usage_bug+0xc0/0xc0 [ 250.766238] ? __lock_acquire+0x7ec/0x4ec0 [ 250.770472] ? __lock_acquire+0x7ec/0x4ec0 [ 250.774711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.780255] ? should_fail+0x22d/0xd01 [ 250.784149] ? __lock_acquire+0x7ec/0x4ec0 [ 250.788391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.793498] ? __lock_acquire+0x7ec/0x4ec0 [ 250.797743] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.802861] ? __lock_acquire+0x7ec/0x4ec0 [ 250.807100] ? should_fail+0x22d/0xd01 [ 250.811006] ? mark_held_locks+0x130/0x130 [ 250.815250] ? mark_held_locks+0x130/0x130 [ 250.819496] ? graph_lock+0x170/0x170 [ 250.823298] ? print_usage_bug+0xc0/0xc0 [ 250.827363] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.832131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.837672] ? check_preemption_disabled+0x48/0x200 [ 250.842685] ? check_preemption_disabled+0x48/0x200 [ 250.847718] ? __lock_is_held+0xb5/0x140 [ 250.851802] __alloc_pages_nodemask+0xa80/0xde0 [ 250.856476] ? graph_lock+0x170/0x170 [ 250.860289] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 250.865308] ? graph_lock+0x170/0x170 [ 250.869124] ? find_held_lock+0x36/0x1c0 [ 250.873203] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.877878] ? lock_downgrade+0x900/0x900 [ 250.882041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.887591] cache_grow_begin+0x91/0x8c0 [ 250.891658] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.896082] fallback_alloc+0x203/0x2e0 [ 250.900068] ____cache_alloc_node+0x1c7/0x1e0 [ 250.904574] kmem_cache_alloc_node+0xe3/0x730 [ 250.909079] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.913334] __alloc_skb+0x119/0x770 [ 250.917062] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.922354] ? skb_scrub_packet+0x490/0x490 [ 250.926683] ? lock_downgrade+0x900/0x900 [ 250.930852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.936408] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.941894] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.947363] ? addrconf_rs_timer+0x6f0/0x6f0 [ 250.951804] ndisc_alloc_skb+0x144/0x340 [ 250.955881] ndisc_send_rs+0x331/0x6e0 [ 250.959784] addrconf_rs_timer+0x3c0/0x6f0 [ 250.964043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.968304] call_timer_fn+0x272/0x920 [ 250.972203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.976448] ? process_timeout+0x40/0x40 [ 250.980514] ? find_held_lock+0x36/0x1c0 [ 250.984589] ? mark_held_locks+0xc7/0x130 [ 250.988746] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.993256] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.997762] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.002004] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 251.006594] ? trace_hardirqs_on+0xbd/0x310 [ 251.011355] ? kasan_check_read+0x11/0x20 [ 251.016028] ? __run_timers+0x7da/0xc70 [ 251.020011] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.025488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.029727] __run_timers+0x7e5/0xc70 [ 251.033552] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 251.038927] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 251.043948] ? graph_lock+0x170/0x170 [ 251.047769] ? print_usage_bug+0xc0/0xc0 [ 251.051830] ? lock_release+0x970/0x970 [ 251.055807] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 251.061012] ? find_held_lock+0x36/0x1c0 [ 251.065078] ? graph_lock+0x170/0x170 [ 251.068888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.074432] ? check_preemption_disabled+0x48/0x200 [ 251.079464] ? __lock_is_held+0xb5/0x140 [ 251.083534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.089074] ? check_preemption_disabled+0x48/0x200 [ 251.094107] run_timer_softirq+0x52/0xb0 [ 251.098174] ? rcu_read_lock_sched_held+0x108/0x120 [ 251.103198] __do_softirq+0x30b/0xad8 [ 251.107017] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 251.112128] ? pvclock_read_flags+0x160/0x160 [ 251.116627] ? lapic_next_event+0x5a/0x90 [ 251.120789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.126332] ? check_preemption_disabled+0x48/0x200 [ 251.131351] ? check_preemption_disabled+0x48/0x200 [ 251.136379] ? kvm_clock_read+0x18/0x30 [ 251.140357] ? kvm_sched_clock_read+0x9/0x20 [ 251.144776] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.150314] ? check_preemption_disabled+0x48/0x200 [ 251.155344] irq_exit+0x17f/0x1c0 [ 251.158820] smp_apic_timer_interrupt+0x1cb/0x760 [ 251.163668] ? smp_call_function_single_interrupt+0x650/0x650 [ 251.169556] ? interrupt_entry+0xb5/0xf0 [ 251.173622] ? trace_hardirqs_off_caller+0xbb/0x300 [ 251.178639] ? trace_hardirqs_off_caller+0xbb/0x300 [ 251.183660] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.188503] ? trace_hardirqs_off+0x300/0x300 [ 251.192998] ? trace_hardirqs_off+0x300/0x300 [ 251.197505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.203045] ? check_preemption_disabled+0x48/0x200 [ 251.208067] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.213614] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.218471] apic_timer_interrupt+0xf/0x20 [ 251.222704] [ 251.224946] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 251.230325] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 251.249235] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 251.256955] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 251.264243] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 251.271522] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 251.278805] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 251.286086] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 251.293392] ? page_evictable+0x35d/0x540 [ 251.297560] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.303183] page_evictable+0x36b/0x540 [ 251.307164] ? kswapd_stop+0x100/0x100 [ 251.311063] ? ___might_sleep+0x1ed/0x300 [ 251.315216] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.320671] ? arch_local_save_flags+0x40/0x40 [ 251.325258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.330803] ? check_preemption_disabled+0x48/0x200 [ 251.335836] shrink_active_list+0x845/0x1c20 [ 251.340250] ? free_unref_page_list+0xc0f/0x11e0 [ 251.345029] ? shrink_inactive_list+0x1c60/0x1c60 [ 251.349894] ? graph_lock+0x170/0x170 [ 251.353699] ? __page_frag_cache_drain+0x200/0x200 [ 251.358635] ? print_usage_bug+0xc0/0xc0 [ 251.362717] ? find_held_lock+0x36/0x1c0 [ 251.366791] ? graph_lock+0x170/0x170 [ 251.370599] ? mark_held_locks+0xc7/0x130 [ 251.374757] ? check_preemption_disabled+0x48/0x200 [ 251.379780] ? check_preemption_disabled+0x48/0x200 [ 251.384844] ? graph_lock+0x170/0x170 [ 251.388653] ? __lock_is_held+0xb5/0x140 [ 251.392724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.398279] ? check_preemption_disabled+0x48/0x200 [ 251.403326] ? __lock_is_held+0xb5/0x140 [ 251.407412] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 251.412436] ? inactive_list_is_low+0x305/0x880 [ 251.417121] ? lruvec_lru_size+0x450/0x450 [ 251.421358] ? kasan_check_read+0x11/0x20 [ 251.425525] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 251.430472] shrink_node_memcg+0x803/0x18e0 [ 251.434814] ? shrink_active_list+0x1c20/0x1c20 [ 251.439496] ? lockdep_hardirqs_on+0x421/0x5c0 [ 251.444085] ? trace_hardirqs_on+0xbd/0x310 [ 251.448414] ? vmpressure+0x294/0x310 [ 251.452226] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.457712] shrink_node+0x3bc/0x16b0 [ 251.461523] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 251.466830] ? shrink_node_memcg+0x18e0/0x18e0 [ 251.471419] ? lockdep_hardirqs_on+0x421/0x5c0 [ 251.476013] ? trace_hardirqs_on+0xbd/0x310 [ 251.480343] ? vmpressure+0x294/0x310 [ 251.484154] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.488571] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 251.493168] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.498731] ? __cpuset_node_allowed+0x19b/0x660 [ 251.503508] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 251.509230] ? vmpressure+0x1c9/0x310 [ 251.513052] do_try_to_free_pages+0x3e7/0x1290 [ 251.517668] ? shrink_node+0x16b0/0x16b0 [ 251.521738] ? __lock_is_held+0xb5/0x140 [ 251.525840] try_to_free_pages+0x4d0/0xb90 [ 251.530095] ? do_try_to_free_pages+0x1290/0x1290 [ 251.534950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.540516] ? lock_acquire+0x1ed/0x520 [ 251.544500] ? set_page_refcounted+0x280/0x280 [ 251.549098] ? lock_release+0x970/0x970 [ 251.553090] ? ___might_sleep+0x1ed/0x300 [ 251.557246] ? arch_local_save_flags+0x40/0x40 [ 251.561839] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 251.566865] ? __radix_tree_lookup+0x358/0x4c0 [ 251.571462] __alloc_pages_slowpath+0x993/0x2d80 [ 251.576247] ? kasan_check_read+0x11/0x20 [ 251.580408] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.585698] ? warn_alloc+0x120/0x120 [ 251.589520] ? __radix_tree_lookup+0x4c0/0x4c0 [ 251.594123] ? find_get_entry+0x2f2/0xc40 [ 251.598290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.603841] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 251.608788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.614331] ? should_fail+0x22d/0xd01 [ 251.618233] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.623342] ? __lock_is_held+0xb5/0x140 [ 251.627409] ? graph_lock+0x170/0x170 [ 251.631216] ? graph_lock+0x170/0x170 [ 251.635043] ? __lock_is_held+0xb5/0x140 [ 251.639120] ? __lock_acquire+0x7ec/0x4ec0 [ 251.643453] ? ___might_sleep+0x1ed/0x300 [ 251.647608] ? lock_release+0x970/0x970 [ 251.651593] ? arch_local_save_flags+0x40/0x40 [ 251.656192] ? __might_sleep+0x95/0x190 [ 251.660179] __alloc_pages_nodemask+0xa80/0xde0 [ 251.664868] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 251.669895] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 251.675693] ? kasan_check_read+0x11/0x20 [ 251.679849] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.685137] ? graph_lock+0x170/0x170 [ 251.688941] ? print_usage_bug+0xc0/0xc0 [ 251.693019] ? graph_lock+0x170/0x170 [ 251.696829] ? graph_lock+0x170/0x170 [ 251.700634] ? __do_page_cache_readahead+0x7ce/0x980 [ 251.705756] ? find_held_lock+0x36/0x1c0 [ 251.709833] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 251.715382] alloc_pages_current+0x10c/0x210 [ 251.719795] ? lock_downgrade+0x900/0x900 [ 251.723952] __page_cache_alloc+0x38f/0x5b0 [ 251.728289] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 251.734089] ? kasan_check_read+0x11/0x20 [ 251.738245] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.743532] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 251.748208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.753759] ? check_preemption_disabled+0x48/0x200 [ 251.758798] filemap_fault+0x1594/0x25f0 [ 251.762880] ? __lock_page_or_retry+0xa00/0xa00 [ 251.767555] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 251.773354] ? kasan_check_read+0x11/0x20 [ 251.777511] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.782809] ? rcu_bh_qs+0xc0/0xc0 [ 251.786373] ? print_usage_bug+0xc0/0xc0 [ 251.790458] ? filemap_map_pages+0xdea/0x1980 [ 251.795003] ? print_usage_bug+0xc0/0xc0 [ 251.799083] ? find_get_pages_range_tag+0x1320/0x1320 [ 251.804284] ? print_usage_bug+0xc0/0xc0 [ 251.808365] ? __lock_acquire+0x7ec/0x4ec0 [ 251.812609] ? graph_lock+0x170/0x170 [ 251.816419] ? __sigqueue_free.part.27+0x7d/0xa0 [ 251.821231] ? __lock_acquire+0x7ec/0x4ec0 [ 251.825506] ? lock_acquire+0x1ed/0x520 [ 251.829794] ? ext4_filemap_fault+0x7a/0xad [ 251.834149] ? lock_release+0x970/0x970 [ 251.838148] ? arch_local_save_flags+0x40/0x40 [ 251.842755] ? mark_held_locks+0x130/0x130 [ 251.847037] ? down_read+0xb0/0x1d0 [ 251.850677] ? ext4_filemap_fault+0x7a/0xad [ 251.855011] ? __down_interruptible+0x700/0x700 [ 251.859706] ? graph_lock+0x170/0x170 [ 251.863521] ? __sigqueue_free.part.27+0x7d/0xa0 [ 251.868304] ext4_filemap_fault+0x82/0xad [ 251.872486] __do_fault+0x100/0x6b0 [ 251.876129] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.881423] ? print_bad_pte+0x6c0/0x6c0 [ 251.885509] ? pmd_val+0x88/0x100 [ 251.888989] ? add_mm_counter_fast+0xd0/0xd0 [ 251.893403] ? pmd_val+0x88/0x100 [ 251.896869] ? add_mm_counter_fast+0xd0/0xd0 [ 251.901290] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.906845] __handle_mm_fault+0x3709/0x53e0 [ 251.911274] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 251.916123] ? graph_lock+0x170/0x170 [ 251.919929] ? print_usage_bug+0xc0/0xc0 [ 251.924003] ? graph_lock+0x170/0x170 [ 251.927814] ? graph_lock+0x170/0x170 [ 251.931643] ? handle_mm_fault+0x42a/0xc70 [ 251.935887] ? lock_downgrade+0x900/0x900 [ 251.940039] ? check_preemption_disabled+0x48/0x200 [ 251.945074] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 251.950879] ? kasan_check_read+0x11/0x20 [ 251.955059] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.960822] ? rcu_bh_qs+0xc0/0xc0 [ 251.964370] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.969832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.975376] ? check_preemption_disabled+0x48/0x200 [ 251.980414] handle_mm_fault+0x54f/0xc70 [ 251.984499] ? __handle_mm_fault+0x53e0/0x53e0 [ 251.989092] ? find_vma+0x34/0x190 [ 251.992648] __do_page_fault+0x67d/0xed0 [ 251.996728] ? mm_fault_error+0x380/0x380 [ 252.000892] ? syscall_slow_exit_work+0x520/0x520 [ 252.005744] do_page_fault+0xf2/0x7e0 [ 252.009558] ? vmalloc_sync_all+0x30/0x30 [ 252.013716] ? error_entry+0x70/0xd0 [ 252.017439] ? trace_hardirqs_off_caller+0xbb/0x300 [ 252.022458] ? trace_hardirqs_on_caller+0xc0/0x300 [ 252.027392] ? syscall_return_slowpath+0x5e0/0x5e0 [ 252.032324] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.037170] ? trace_hardirqs_off+0x300/0x300 [ 252.041667] ? trace_hardirqs_off_caller+0x300/0x300 [ 252.046783] ? prepare_exit_to_usermode+0x291/0x3b0 [ 252.051809] ? page_fault+0x8/0x30 [ 252.055357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.060210] ? page_fault+0x8/0x30 [ 252.063763] page_fault+0x1e/0x30 [ 252.067219] RIP: 0033:0x45db60 [ 252.070416] Code: Bad RIP value. [ 252.073785] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 252.079153] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 252.086424] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 252.093693] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 252.100978] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 252.108252] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 252.115564] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 252.115569] warn_alloc_show_mem: 1 callbacks suppressed [ 252.115577] Mem-Info: [ 252.122771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.128140] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 252.128140] active_file:15 inactive_file:16 isolated_file:2 [ 252.128140] unevictable:0 dirty:0 writeback:0 unstable:0 [ 252.128140] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 252.128140] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 252.128140] free:13788 free_pcp:262 free_cma:0 [ 252.130516] Call Trace: [ 252.139904] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 252.172764] [ 252.172792] dump_stack+0x1c4/0x2b4 [ 252.175362] Node 0 [ 252.203057] ? dump_stack_print_info.cold.2+0x52/0x52 [ 252.205204] 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 [ 252.208905] warn_alloc.cold.118+0xb7/0x1bd [ 252.211109] lowmem_reserve[]: [ 252.216315] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 252.241897] 0 [ 252.246241] ? lock_downgrade+0x900/0x900 [ 252.249303] 2815 6318 [ 252.254160] ? trace_hardirqs_off+0xb8/0x300 [ 252.255935] 6318 [ 252.260079] ? trace_hardirqs_off+0xb8/0x300 [ 252.266963] __alloc_pages_slowpath+0x2667/0x2d80 [ 252.269007] Node 0 [ 252.273434] ? warn_alloc+0x120/0x120 [ 252.278255] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 252.280472] ? trace_hardirqs_on+0x310/0x310 [ 252.284246] lowmem_reserve[]: [ 252.311270] ? warn_alloc+0x120/0x120 [ 252.315638] 0 0 [ 252.318762] ? print_usage_bug+0xc0/0xc0 [ 252.322539] 3503 3503 [ 252.324520] ? warn_alloc+0x120/0x120 [ 252.331047] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 252.334819] Node 0 [ 252.339836] ? print_usage_bug+0xc0/0xc0 [ 252.339869] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 252.339877] lowmem_reserve[]: [ 252.342107] ? __lock_acquire+0x7ec/0x4ec0 [ 252.346146] 0 [ 252.374534] ? __lock_acquire+0x7ec/0x4ec0 [ 252.377611] 0 0 [ 252.381860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.383639] 0 [ 252.387869] ? should_fail+0x22d/0xd01 [ 252.395352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.397128] Node 0 [ 252.401010] ? __lock_acquire+0x7ec/0x4ec0 [ 252.406088] DMA: [ 252.408323] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.412531] 1*4kB [ 252.414592] ? __lock_acquire+0x7ec/0x4ec0 [ 252.419668] (U) [ 252.421815] ? should_fail+0x22d/0xd01 [ 252.426028] 0*8kB [ 252.428009] ? print_usage_bug+0xc0/0xc0 [ 252.431870] 0*16kB [ 252.434056] ? mark_held_locks+0x130/0x130 [ 252.438090] 1*32kB [ 252.440333] ? mark_held_locks+0x130/0x130 [ 252.444541] (U) [ 252.446961] ? graph_lock+0x170/0x170 [ 252.451176] 2*64kB [ 252.453150] ? print_usage_bug+0xc0/0xc0 [ 252.456923] (U) [ 252.459159] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 252.463194] 1*128kB [ 252.465186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.469914] (U) [ 252.472237] ? check_preemption_disabled+0x48/0x200 [ 252.477747] 1*256kB [ 252.479718] ? check_preemption_disabled+0x48/0x200 [ 252.484708] (U) [ 252.487042] ? __lock_is_held+0xb5/0x140 [ 252.492025] 0*512kB [ 252.494007] __alloc_pages_nodemask+0xa80/0xde0 [ 252.498042] 1*1024kB [ 252.500358] ? graph_lock+0x170/0x170 [ 252.505001] (U) [ 252.507407] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 252.511183] 1*2048kB [ 252.513157] ? graph_lock+0x170/0x170 [ 252.518141] (M) 3*4096kB [ 252.520570] ? find_held_lock+0x36/0x1c0 [ 252.524335] (M) [ 252.527099] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.531126] = 15908kB [ 252.533098] ? lock_downgrade+0x900/0x900 [ 252.537740] Node 0 [ 252.540162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.544279] DMA32: [ 252.546518] cache_grow_begin+0x91/0x8c0 [ 252.552024] 3*4kB [ 252.554266] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.558305] (M) [ 252.560472] fallback_alloc+0x203/0x2e0 [ 252.564838] 2*8kB (M) [ 252.566833] ____cache_alloc_node+0x1c7/0x1e0 [ 252.570783] 1*16kB [ 252.573286] kmem_cache_alloc_node+0xe3/0x730 [ 252.577757] (M) [ 252.579999] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.584462] 1*32kB (M) [ 252.586449] __alloc_skb+0x119/0x770 [ 252.590654] 3*64kB [ 252.593241] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.596925] (UM) [ 252.599160] ? skb_scrub_packet+0x490/0x490 [ 252.604408] 3*128kB [ 252.606467] ? lock_downgrade+0x900/0x900 [ 252.610758] (M) [ 252.613087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.617205] 2*256kB [ 252.619177] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.624686] (M) [ 252.627005] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.632428] 3*512kB [ 252.634402] ? addrconf_rs_timer+0x6f0/0x6f0 [ 252.639819] (M) [ 252.642150] ndisc_alloc_skb+0x144/0x340 [ 252.646523] 4*1024kB [ 252.648516] ndisc_send_rs+0x331/0x6e0 [ 252.652547] (UM) [ 252.654958] addrconf_rs_timer+0x3c0/0x6f0 [ 252.658855] 3*2048kB [ 252.660919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.665128] (UM) [ 252.667544] call_timer_fn+0x272/0x920 [ 252.671737] 3*4096kB (M) [ 252.673819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.677677] = 25228kB [ 252.680435] ? process_timeout+0x40/0x40 [ 252.684638] Node 0 [ 252.687043] ? find_held_lock+0x36/0x1c0 [ 252.691070] Normal: 866*4kB [ 252.693319] ? __run_timers+0x7da/0xc70 [ 252.697347] (ME) [ 252.700364] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.704307] 469*8kB (UME) [ 252.706384] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.710848] 197*16kB (UME) [ 252.713701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.713721] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 252.718191] 59*32kB [ 252.721121] ? trace_hardirqs_on+0xbd/0x310 [ 252.725330] (UME) [ 252.729906] ? kasan_check_read+0x11/0x20 [ 252.732204] 18*64kB [ 252.736528] ? __run_timers+0x7da/0xc70 [ 252.738648] (ME) [ 252.742797] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.745098] 3*128kB [ 252.749072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.751122] (M) [ 252.756570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.758870] 1*256kB [ 252.763101] __run_timers+0x7e5/0xc70 [ 252.765046] (U) [ 252.769301] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 252.771590] 0*512kB [ 252.775387] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 252.777355] 0*1024kB [ 252.782721] ? graph_lock+0x170/0x170 [ 252.785019] 0*2048kB [ 252.790031] ? enqueue_hrtimer+0x1a5/0x560 [ 252.792416] 0*4096kB [ 252.796210] ? lock_release+0x970/0x970 [ 252.798598] = 14048kB [ 252.802829] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 252.805221] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 252.809186] ? find_held_lock+0x36/0x1c0 [ 252.811579] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 252.816759] ? graph_lock+0x170/0x170 [ 252.825577] 412 total pagecache pages [ 252.829634] ? pvclock_read_flags+0x160/0x160 [ 252.838194] 0 pages in swap cache [ 252.841996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.845776] Swap cache stats: add 0, delete 0, find 0/0 [ 252.850270] ? check_preemption_disabled+0x48/0x200 [ 252.853689] Free swap = 0kB [ 252.853698] Total swap = 0kB [ 252.859274] ? __lock_is_held+0xb5/0x140 [ 252.864616] 1965979 pages RAM [ 252.869656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.872632] 0 pages HighMem/MovableOnly [ 252.872642] 343323 pages reserved [ 252.875660] ? check_preemption_disabled+0x48/0x200 [ 252.879703] 0 pages cma reserved [ 252.879822] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.882822] run_timer_softirq+0x52/0xb0 [ 252.888464] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.892311] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.895737] syz-fuzzer cpuset= [ 252.900772] __do_softirq+0x30b/0xad8 [ 252.904118] / [ 252.910634] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 252.914655] mems_allowed=0 [ 252.946605] ? pvclock_read_flags+0x160/0x160 [ 252.951117] ? lapic_next_event+0x5a/0x90 [ 252.955295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.960861] ? check_preemption_disabled+0x48/0x200 [ 252.965898] ? check_preemption_disabled+0x48/0x200 [ 252.970947] ? kvm_clock_read+0x18/0x30 [ 252.974942] ? kvm_sched_clock_read+0x9/0x20 [ 252.979374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.984922] ? check_preemption_disabled+0x48/0x200 [ 252.989974] irq_exit+0x17f/0x1c0 [ 252.993454] smp_apic_timer_interrupt+0x1cb/0x760 [ 252.998302] ? smp_reschedule_interrupt+0x109/0x650 [ 253.003337] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.009271] ? interrupt_entry+0xb5/0xf0 [ 253.013378] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.018418] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.023458] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.028321] ? trace_hardirqs_off+0x300/0x300 [ 253.032824] ? trace_hardirqs_off+0x300/0x300 [ 253.037334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.042885] ? check_preemption_disabled+0x48/0x200 [ 253.047918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.053487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.058356] apic_timer_interrupt+0xf/0x20 [ 253.062596] [ 253.064848] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 253.069793] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 253.088715] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 253.096450] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 253.103757] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 253.111053] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 253.118337] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 253.125608] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 253.132926] skb_clone+0x1bb/0x500 [ 253.136471] ? skb_split+0x11e0/0x11e0 [ 253.140371] ? dev_forward_skb+0x4c/0x60 [ 253.144438] ? __bpf_redirect+0x54b/0xb20 [ 253.148593] ? __switch_to_asm+0x34/0x70 [ 253.152664] bpf_clone_redirect+0xb9/0x490 [ 253.156911] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 253.161935] ? __sched_text_start+0x8/0x8 [ 253.166100] ? lockdep_hardirqs_on+0x421/0x5c0 [ 253.170692] ? retint_kernel+0x2d/0x2d [ 253.174594] ? trace_hardirqs_on_caller+0xc0/0x300 [ 253.179536] ? find_held_lock+0x36/0x1c0 [ 253.183606] ? lock_acquire+0x1ed/0x520 [ 253.187585] ? bpf_test_run+0x32e/0x5a0 [ 253.191565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.197104] ? check_preemption_disabled+0x48/0x200 [ 253.202125] ? kasan_check_read+0x11/0x20 [ 253.206285] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.211570] ? rcu_bh_qs+0xc0/0xc0 [ 253.215120] ? preempt_schedule+0x4d/0x60 [ 253.219291] ? ___preempt_schedule+0x16/0x18 [ 253.223712] ? bpf_test_run+0x1c0/0x5a0 [ 253.227699] ? netlink_diag_dump+0x2a0/0x2a0 [ 253.232116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.237657] ? bpf_test_init.isra.9+0x70/0x100 [ 253.242249] ? bpf_prog_test_run_skb+0x634/0xb40 [ 253.247025] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.251868] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 253.257407] ? fput+0x130/0x1a0 [ 253.260688] ? __bpf_prog_get+0x9b/0x290 [ 253.264758] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.269602] ? bpf_prog_test_run+0x130/0x1a0 [ 253.274019] ? __x64_sys_bpf+0x3d8/0x510 [ 253.278085] ? bpf_prog_get+0x20/0x20 [ 253.281898] ? ksys_ioctl+0x81/0xd0 [ 253.285537] ? do_syscall_64+0x1b9/0x820 [ 253.289606] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 253.294992] ? syscall_return_slowpath+0x5e0/0x5e0 [ 253.299930] ? trace_hardirqs_off+0x300/0x300 [ 253.304433] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 253.309455] ? recalc_sigpending_tsk+0x180/0x180 [ 253.314214] ? kasan_check_write+0x14/0x20 [ 253.318462] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.323316] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.328699] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 253.328787] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 253.335623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.335633] Call Trace: [ 253.342220] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 253.351467] [ 253.354051] syz-executor0 cpuset= [ 253.364542] dump_stack+0x1c4/0x2b4 [ 253.366664] syz0 [ 253.370118] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.373717] mems_allowed=0 [ 253.375700] warn_alloc.cold.118+0xb7/0x1bd [ 253.388115] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.392985] ? lock_downgrade+0x900/0x900 [ 253.397148] ? trace_hardirqs_off+0xb8/0x300 [ 253.401571] ? trace_hardirqs_off+0xb8/0x300 [ 253.406000] __alloc_pages_slowpath+0x2667/0x2d80 [ 253.410881] ? warn_alloc+0x120/0x120 [ 253.414696] ? trace_hardirqs_on+0x310/0x310 [ 253.419111] ? warn_alloc+0x120/0x120 [ 253.422916] ? print_usage_bug+0xc0/0xc0 [ 253.426995] ? warn_alloc+0x120/0x120 [ 253.430804] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 253.435829] ? print_usage_bug+0xc0/0xc0 [ 253.439903] ? __lock_acquire+0x7ec/0x4ec0 [ 253.444141] ? __lock_acquire+0x7ec/0x4ec0 [ 253.448384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.453929] ? should_fail+0x22d/0xd01 [ 253.457829] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.462938] ? __lock_acquire+0x7ec/0x4ec0 [ 253.467191] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.472297] ? __lock_acquire+0x7ec/0x4ec0 [ 253.476536] ? should_fail+0x22d/0xd01 [ 253.480436] ? print_usage_bug+0xc0/0xc0 [ 253.484692] ? mark_held_locks+0x130/0x130 [ 253.488936] ? mark_held_locks+0x130/0x130 [ 253.493192] ? graph_lock+0x170/0x170 [ 253.497005] ? print_usage_bug+0xc0/0xc0 [ 253.501073] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.505839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.511394] ? check_preemption_disabled+0x48/0x200 [ 253.516424] ? check_preemption_disabled+0x48/0x200 [ 253.521465] ? __lock_is_held+0xb5/0x140 [ 253.525544] __alloc_pages_nodemask+0xa80/0xde0 [ 253.530219] ? graph_lock+0x170/0x170 [ 253.534030] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 253.539131] ? graph_lock+0x170/0x170 [ 253.542946] ? find_held_lock+0x36/0x1c0 [ 253.547033] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.551708] ? lock_downgrade+0x900/0x900 [ 253.555868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.561421] cache_grow_begin+0x91/0x8c0 [ 253.565487] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.569905] fallback_alloc+0x203/0x2e0 [ 253.573887] ____cache_alloc_node+0x1c7/0x1e0 [ 253.578393] kmem_cache_alloc_node+0xe3/0x730 [ 253.582894] ? ipv6_get_ifaddr+0x42e/0x620 [ 253.587145] __alloc_skb+0x119/0x770 [ 253.590864] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.596148] ? skb_scrub_packet+0x490/0x490 [ 253.600474] ? lock_downgrade+0x900/0x900 [ 253.604635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.610181] ? refcount_sub_and_test_checked+0x203/0x310 [ 253.615643] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 253.621101] ? addrconf_rs_timer+0x6f0/0x6f0 [ 253.625525] ndisc_alloc_skb+0x144/0x340 [ 253.629595] ndisc_send_rs+0x331/0x6e0 [ 253.633493] addrconf_rs_timer+0x3c0/0x6f0 [ 253.637737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.642000] call_timer_fn+0x272/0x920 [ 253.645891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.650137] ? process_timeout+0x40/0x40 [ 253.654201] ? find_held_lock+0x36/0x1c0 [ 253.658276] ? mark_held_locks+0xc7/0x130 [ 253.662431] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.666932] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.671436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.675677] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 253.680268] ? trace_hardirqs_on+0xbd/0x310 [ 253.684592] ? kasan_check_read+0x11/0x20 [ 253.688745] ? __run_timers+0x7da/0xc70 [ 253.692732] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.698198] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.702442] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.706685] __run_timers+0x7e5/0xc70 [ 253.710509] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 253.715879] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 253.720901] ? graph_lock+0x170/0x170 [ 253.724709] ? print_usage_bug+0xc0/0xc0 [ 253.728777] ? lock_release+0x970/0x970 [ 253.732763] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 253.737974] ? find_held_lock+0x36/0x1c0 [ 253.742044] ? graph_lock+0x170/0x170 [ 253.745856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.751395] ? check_preemption_disabled+0x48/0x200 [ 253.756431] ? __lock_is_held+0xb5/0x140 [ 253.760498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.766042] ? check_preemption_disabled+0x48/0x200 [ 253.771071] run_timer_softirq+0x52/0xb0 [ 253.775139] ? rcu_read_lock_sched_held+0x108/0x120 [ 253.780168] __do_softirq+0x30b/0xad8 [ 253.784003] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 253.789120] ? pvclock_read_flags+0x160/0x160 [ 253.793618] ? lapic_next_event+0x5a/0x90 [ 253.797777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.803317] ? check_preemption_disabled+0x48/0x200 [ 253.808335] ? check_preemption_disabled+0x48/0x200 [ 253.813364] ? kvm_clock_read+0x18/0x30 [ 253.817342] ? kvm_sched_clock_read+0x9/0x20 [ 253.821763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.827306] ? check_preemption_disabled+0x48/0x200 [ 253.832598] irq_exit+0x17f/0x1c0 [ 253.836075] smp_apic_timer_interrupt+0x1cb/0x760 [ 253.840929] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.846837] ? interrupt_entry+0xb5/0xf0 [ 253.850913] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.855945] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.860998] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.865857] ? trace_hardirqs_off+0x300/0x300 [ 253.870357] ? trace_hardirqs_off+0x300/0x300 [ 253.874860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.880497] ? check_preemption_disabled+0x48/0x200 [ 253.885524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.891083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.895944] apic_timer_interrupt+0xf/0x20 [ 253.900198] [ 253.902453] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 253.907829] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 253.926748] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 253.934484] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 253.941777] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 253.949073] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 253.956361] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 253.964123] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 253.971438] ? page_evictable+0x35d/0x540 [ 253.975617] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 253.981172] page_evictable+0x36b/0x540 [ 253.985168] ? kswapd_stop+0x100/0x100 [ 253.989082] ? ___might_sleep+0x1ed/0x300 [ 253.993250] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.998722] ? arch_local_save_flags+0x40/0x40 [ 254.003324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.008871] ? check_preemption_disabled+0x48/0x200 [ 254.013910] shrink_active_list+0x845/0x1c20 [ 254.018327] ? free_unref_page_list+0xc0f/0x11e0 [ 254.023112] ? shrink_inactive_list+0x1c60/0x1c60 [ 254.027981] ? graph_lock+0x170/0x170 [ 254.031788] ? __page_frag_cache_drain+0x200/0x200 [ 254.036723] ? print_usage_bug+0xc0/0xc0 [ 254.040839] ? find_held_lock+0x36/0x1c0 [ 254.045059] ? graph_lock+0x170/0x170 [ 254.048866] ? mark_held_locks+0xc7/0x130 [ 254.053020] ? check_preemption_disabled+0x48/0x200 [ 254.058039] ? check_preemption_disabled+0x48/0x200 [ 254.063071] ? graph_lock+0x170/0x170 [ 254.066872] ? __lock_is_held+0xb5/0x140 [ 254.070937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.076486] ? check_preemption_disabled+0x48/0x200 [ 254.081518] ? __lock_is_held+0xb5/0x140 [ 254.085598] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.090620] ? inactive_list_is_low+0x305/0x880 [ 254.095301] ? lruvec_lru_size+0x450/0x450 [ 254.099537] ? kasan_check_read+0x11/0x20 [ 254.103697] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 254.108648] shrink_node_memcg+0x803/0x18e0 [ 254.112998] ? shrink_active_list+0x1c20/0x1c20 [ 254.117680] ? lockdep_hardirqs_on+0x421/0x5c0 [ 254.122266] ? trace_hardirqs_on+0xbd/0x310 [ 254.126594] ? vmpressure+0x294/0x310 [ 254.130402] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.135879] shrink_node+0x3bc/0x16b0 [ 254.139683] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 254.144993] ? shrink_node_memcg+0x18e0/0x18e0 [ 254.149579] ? lockdep_hardirqs_on+0x421/0x5c0 [ 254.154166] ? trace_hardirqs_on+0xbd/0x310 [ 254.158494] ? vmpressure+0x294/0x310 [ 254.162300] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.166713] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 254.171309] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 254.176851] ? __cpuset_node_allowed+0x19b/0x660 [ 254.181613] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 254.187330] ? vmpressure+0x1c9/0x310 [ 254.191147] do_try_to_free_pages+0x3e7/0x1290 [ 254.195760] ? shrink_node+0x16b0/0x16b0 [ 254.199827] ? __lock_is_held+0xb5/0x140 [ 254.203908] try_to_free_pages+0x4d0/0xb90 [ 254.208151] ? do_try_to_free_pages+0x1290/0x1290 [ 254.213009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.218564] ? lock_acquire+0x1ed/0x520 [ 254.222543] ? set_page_refcounted+0x280/0x280 [ 254.227137] ? lock_release+0x970/0x970 [ 254.231123] ? ___might_sleep+0x1ed/0x300 [ 254.235280] ? arch_local_save_flags+0x40/0x40 [ 254.239869] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.244891] ? __radix_tree_lookup+0x358/0x4c0 [ 254.249484] __alloc_pages_slowpath+0x993/0x2d80 [ 254.254268] ? kasan_check_read+0x11/0x20 [ 254.258423] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.263705] ? warn_alloc+0x120/0x120 [ 254.267510] ? __radix_tree_lookup+0x4c0/0x4c0 [ 254.272110] ? find_get_entry+0x2f2/0xc40 [ 254.276273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.281818] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 254.286748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.292299] ? should_fail+0x22d/0xd01 [ 254.296196] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.301304] ? __lock_is_held+0xb5/0x140 [ 254.305369] ? graph_lock+0x170/0x170 [ 254.309174] ? graph_lock+0x170/0x170 [ 254.313001] ? __lock_is_held+0xb5/0x140 [ 254.317076] ? __lock_acquire+0x7ec/0x4ec0 [ 254.321320] ? ___might_sleep+0x1ed/0x300 [ 254.325471] ? lock_release+0x970/0x970 [ 254.329456] ? arch_local_save_flags+0x40/0x40 [ 254.334055] ? __might_sleep+0x95/0x190 [ 254.338040] __alloc_pages_nodemask+0xa80/0xde0 [ 254.342722] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 254.347749] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 254.353562] ? kasan_check_read+0x11/0x20 [ 254.357714] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.363007] ? graph_lock+0x170/0x170 [ 254.366810] ? print_usage_bug+0xc0/0xc0 [ 254.370886] ? graph_lock+0x170/0x170 [ 254.374689] ? graph_lock+0x170/0x170 [ 254.378493] ? __do_page_cache_readahead+0x7ce/0x980 [ 254.383605] ? find_held_lock+0x36/0x1c0 [ 254.387678] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 254.393221] alloc_pages_current+0x10c/0x210 [ 254.397633] ? lock_downgrade+0x900/0x900 [ 254.401803] __page_cache_alloc+0x38f/0x5b0 [ 254.406133] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 254.411928] ? kasan_check_read+0x11/0x20 [ 254.416092] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.421375] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 254.426053] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.431593] ? check_preemption_disabled+0x48/0x200 [ 254.436630] filemap_fault+0x1594/0x25f0 [ 254.440710] ? __lock_page_or_retry+0xa00/0xa00 [ 254.445383] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 254.451182] ? kasan_check_read+0x11/0x20 [ 254.455335] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.460616] ? rcu_bh_qs+0xc0/0xc0 [ 254.464164] ? print_usage_bug+0xc0/0xc0 [ 254.468238] ? filemap_map_pages+0xdea/0x1980 [ 254.472743] ? print_usage_bug+0xc0/0xc0 [ 254.476821] ? find_get_pages_range_tag+0x1320/0x1320 [ 254.482012] ? print_usage_bug+0xc0/0xc0 [ 254.486075] ? __lock_acquire+0x7ec/0x4ec0 [ 254.490313] ? graph_lock+0x170/0x170 [ 254.494118] ? __sigqueue_free.part.27+0x7d/0xa0 [ 254.498886] ? __lock_acquire+0x7ec/0x4ec0 [ 254.503136] ? lock_acquire+0x1ed/0x520 [ 254.507114] ? ext4_filemap_fault+0x7a/0xad [ 254.511442] ? lock_release+0x970/0x970 [ 254.515421] ? arch_local_save_flags+0x40/0x40 [ 254.520011] ? mark_held_locks+0x130/0x130 [ 254.524265] ? down_read+0xb0/0x1d0 [ 254.527893] ? ext4_filemap_fault+0x7a/0xad [ 254.532217] ? __down_interruptible+0x700/0x700 [ 254.536891] ? graph_lock+0x170/0x170 [ 254.540698] ? __sigqueue_free.part.27+0x7d/0xa0 [ 254.545471] ext4_filemap_fault+0x82/0xad [ 254.549629] __do_fault+0x100/0x6b0 [ 254.553263] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.558547] ? print_bad_pte+0x6c0/0x6c0 [ 254.562617] ? pmd_val+0x88/0x100 [ 254.566074] ? add_mm_counter_fast+0xd0/0xd0 [ 254.570486] ? pmd_val+0x88/0x100 [ 254.573940] ? add_mm_counter_fast+0xd0/0xd0 [ 254.578363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.583907] __handle_mm_fault+0x3709/0x53e0 [ 254.588327] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 254.593176] ? graph_lock+0x170/0x170 [ 254.596985] ? print_usage_bug+0xc0/0xc0 [ 254.601055] ? graph_lock+0x170/0x170 [ 254.604855] ? graph_lock+0x170/0x170 [ 254.608676] ? handle_mm_fault+0x42a/0xc70 [ 254.612917] ? lock_downgrade+0x900/0x900 [ 254.617066] ? check_preemption_disabled+0x48/0x200 [ 254.622094] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 254.627894] ? kasan_check_read+0x11/0x20 [ 254.632048] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.637329] ? rcu_bh_qs+0xc0/0xc0 [ 254.640878] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.646337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.651878] ? check_preemption_disabled+0x48/0x200 [ 254.656912] handle_mm_fault+0x54f/0xc70 [ 254.660995] ? __handle_mm_fault+0x53e0/0x53e0 [ 254.665588] ? find_vma+0x34/0x190 [ 254.669142] __do_page_fault+0x67d/0xed0 [ 254.673215] ? mm_fault_error+0x380/0x380 [ 254.677375] ? syscall_slow_exit_work+0x520/0x520 [ 254.682231] do_page_fault+0xf2/0x7e0 [ 254.686043] ? vmalloc_sync_all+0x30/0x30 [ 254.690203] ? error_entry+0x70/0xd0 [ 254.693921] ? trace_hardirqs_off_caller+0xbb/0x300 [ 254.698939] ? trace_hardirqs_on_caller+0xc0/0x300 [ 254.703881] ? syscall_return_slowpath+0x5e0/0x5e0 [ 254.708824] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.713675] ? trace_hardirqs_off+0x300/0x300 [ 254.718173] ? trace_hardirqs_off_caller+0x300/0x300 [ 254.723291] ? prepare_exit_to_usermode+0x291/0x3b0 [ 254.728315] ? page_fault+0x8/0x30 [ 254.731861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.736718] ? page_fault+0x8/0x30 [ 254.740270] page_fault+0x1e/0x30 [ 254.743727] RIP: 0033:0x45db60 [ 254.746932] Code: Bad RIP value. [ 254.750305] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 254.755672] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 254.762946] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 254.770229] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 254.777506] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 254.784785] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 254.792092] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 254.792098] warn_alloc_show_mem: 1 callbacks suppressed [ 254.792106] Mem-Info: [ 254.799293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.804663] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 254.804663] active_file:15 inactive_file:16 isolated_file:2 [ 254.804663] unevictable:0 dirty:0 writeback:0 unstable:0 [ 254.804663] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 254.804663] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 254.804663] free:13788 free_pcp:262 free_cma:0 [ 254.807039] Call Trace: [ 254.816430] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 254.849513] [ 254.852089] Node 0 [ 254.879791] dump_stack+0x1c4/0x2b4 [ 254.881939] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 254.884151] ? dump_stack_print_info.cold.2+0x52/0x52 [ 254.887757] lowmem_reserve[]: [ 254.913297] warn_alloc.cold.118+0xb7/0x1bd [ 254.918448] 0 2815 [ 254.921562] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.925855] 6318 [ 254.928097] ? lock_downgrade+0x900/0x900 [ 254.932902] 6318 [ 254.934984] ? trace_hardirqs_off+0xb8/0x300 [ 254.939099] Node 0 [ 254.941161] ? trace_hardirqs_off+0xb8/0x300 [ 254.945570] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 254.947793] __alloc_pages_slowpath+0x2667/0x2d80 [ 254.952162] lowmem_reserve[]: [ 254.979179] ? warn_alloc+0x120/0x120 [ 254.983980] 0 [ 254.987082] ? trace_hardirqs_on+0x310/0x310 [ 254.990856] 0 [ 254.992651] ? warn_alloc+0x120/0x120 [ 254.997033] 3503 [ 254.998844] ? print_usage_bug+0xc0/0xc0 [ 255.002615] 3503 [ 255.004670] ? warn_alloc+0x120/0x120 [ 255.010814] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 255.014587] Node 0 [ 255.019595] ? print_usage_bug+0xc0/0xc0 [ 255.019627] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 255.019634] lowmem_reserve[]: [ 255.021865] ? __lock_acquire+0x7ec/0x4ec0 [ 255.025905] 0 [ 255.054282] ? __lock_acquire+0x7ec/0x4ec0 [ 255.057360] 0 [ 255.061589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.063388] 0 [ 255.067623] ? should_fail+0x22d/0xd01 [ 255.069400] 0 [ 255.074934] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.080591] ? __lock_acquire+0x7ec/0x4ec0 [ 255.082368] Node 0 [ 255.087468] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.091678] DMA: [ 255.093912] ? __lock_acquire+0x7ec/0x4ec0 [ 255.099003] 1*4kB [ 255.101062] ? should_fail+0x22d/0xd01 [ 255.105270] (U) [ 255.107419] ? print_usage_bug+0xc0/0xc0 [ 255.111280] 0*8kB [ 255.113264] ? mark_held_locks+0x130/0x130 [ 255.117282] 0*16kB 1*32kB [ 255.119435] ? mark_held_locks+0x130/0x130 [ 255.123643] (U) [ 255.126486] ? graph_lock+0x170/0x170 [ 255.130686] 2*64kB (U) [ 255.132666] ? print_usage_bug+0xc0/0xc0 [ 255.136446] 1*128kB [ 255.139026] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.143061] (U) [ 255.145385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.150110] 1*256kB [ 255.152085] ? check_preemption_disabled+0x48/0x200 [ 255.157595] (U) [ 255.159912] ? check_preemption_disabled+0x48/0x200 [ 255.164902] 0*512kB [ 255.166879] ? __lock_is_held+0xb5/0x140 [ 255.171867] 1*1024kB [ 255.174191] __alloc_pages_nodemask+0xa80/0xde0 [ 255.178223] (U) [ 255.180630] ? graph_lock+0x170/0x170 [ 255.185279] 1*2048kB [ 255.187275] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.191047] (M) [ 255.193451] ? graph_lock+0x170/0x170 [ 255.198442] 3*4096kB [ 255.200420] ? find_held_lock+0x36/0x1c0 [ 255.204190] (M) [ 255.206604] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.210626] = 15908kB [ 255.210635] Node 0 [ 255.212607] ? lock_downgrade+0x900/0x900 [ 255.217249] DMA32: [ 255.219665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.221871] 3*4kB [ 255.226012] cache_grow_begin+0x91/0x8c0 [ 255.228219] (M) [ 255.233752] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.235894] 2*8kB [ 255.239948] fallback_alloc+0x203/0x2e0 [ 255.241897] (M) [ 255.246302] ____cache_alloc_node+0x1c7/0x1e0 [ 255.248426] 1*16kB [ 255.252397] kmem_cache_alloc_node+0xe3/0x730 [ 255.254348] (M) [ 255.258841] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.261054] 1*32kB [ 255.265550] __alloc_skb+0x119/0x770 [ 255.267494] (M) [ 255.271727] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.273926] 3*64kB (UM) [ 255.277644] ? skb_scrub_packet+0x490/0x490 [ 255.279598] 3*128kB [ 255.284868] ? lock_downgrade+0x900/0x900 [ 255.287516] (M) [ 255.291835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.294132] 2*256kB [ 255.298279] ? refcount_sub_and_test_checked+0x203/0x310 [ 255.300225] (M) [ 255.305755] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 255.308063] 3*512kB [ 255.313506] ? addrconf_rs_timer+0x6f0/0x6f0 [ 255.315454] (M) [ 255.320921] ndisc_alloc_skb+0x144/0x340 [ 255.323209] 4*1024kB [ 255.327632] ndisc_send_rs+0x331/0x6e0 [ 255.329582] (UM) [ 255.333650] addrconf_rs_timer+0x3c0/0x6f0 [ 255.336023] 3*2048kB (UM) [ 255.339913] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.341952] 3*4096kB [ 255.346199] call_timer_fn+0x272/0x920 [ 255.349001] (M) = 25228kB [ 255.353237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.355622] Node 0 [ 255.359507] ? process_timeout+0x40/0x40 [ 255.362237] Normal: [ 255.366473] ? find_held_lock+0x36/0x1c0 [ 255.368687] 866*4kB [ 255.372751] ? __run_timers+0x7da/0xc70 [ 255.375054] (ME) [ 255.379112] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.381409] 469*8kB [ 255.385380] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.387421] (UME) [ 255.391908] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.391927] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 255.394228] 197*16kB [ 255.398720] ? trace_hardirqs_on+0xbd/0x310 [ 255.400845] (UME) [ 255.405071] ? kasan_check_read+0x11/0x20 [ 255.409627] 59*32kB [ 255.412033] ? __run_timers+0x7da/0xc70 [ 255.416326] (UME) [ 255.418475] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.422604] 18*64kB [ 255.424924] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.428869] (ME) [ 255.431018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.436435] 3*128kB (M) [ 255.438790] __run_timers+0x7e5/0xc70 [ 255.442998] 1*256kB [ 255.445062] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 255.449256] (U) 0*512kB [ 255.451936] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 255.455709] 0*1024kB [ 255.458029] ? graph_lock+0x170/0x170 [ 255.463368] 0*2048kB [ 255.466032] ? enqueue_hrtimer+0x1a5/0x560 [ 255.471022] 0*4096kB [ 255.473424] ? lock_release+0x970/0x970 [ 255.477203] = 14048kB [ 255.479609] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 255.483823] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 255.486221] ? find_held_lock+0x36/0x1c0 [ 255.490167] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 255.490177] 412 total pagecache pages [ 255.492581] ? graph_lock+0x170/0x170 [ 255.497757] 0 pages in swap cache [ 255.506598] ? pvclock_read_flags+0x160/0x160 [ 255.510634] Swap cache stats: add 0, delete 0, find 0/0 [ 255.519261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.523026] Free swap = 0kB [ 255.526821] ? check_preemption_disabled+0x48/0x200 [ 255.530247] Total swap = 0kB [ 255.534751] ? __lock_is_held+0xb5/0x140 [ 255.540086] 1965979 pages RAM [ 255.545624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.548609] 0 pages HighMem/MovableOnly [ 255.548618] 343323 pages reserved [ 255.553628] ? check_preemption_disabled+0x48/0x200 [ 255.556660] 0 pages cma reserved [ 255.560722] run_timer_softirq+0x52/0xb0 [ 255.563871] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 255.569328] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.569347] __do_softirq+0x30b/0xad8 [ 255.569370] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 255.569390] ? pvclock_read_flags+0x160/0x160 [ 255.573416] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 255.576789] ? lapic_next_event+0x5a/0x90 [ 255.581782] syz-fuzzer cpuset= [ 255.585148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.589183] / [ 255.595669] ? check_preemption_disabled+0x48/0x200 [ 255.600663] mems_allowed=0 [ 255.604450] ? check_preemption_disabled+0x48/0x200 [ 255.604473] ? kvm_clock_read+0x18/0x30 [ 255.655715] ? kvm_sched_clock_read+0x9/0x20 [ 255.660140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.665683] ? check_preemption_disabled+0x48/0x200 [ 255.670714] irq_exit+0x17f/0x1c0 [ 255.674178] smp_apic_timer_interrupt+0x1cb/0x760 [ 255.679022] ? smp_reschedule_interrupt+0x109/0x650 [ 255.684043] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.689934] ? interrupt_entry+0xb5/0xf0 [ 255.694007] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.699027] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.704055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.708900] ? trace_hardirqs_off+0x300/0x300 [ 255.713406] ? trace_hardirqs_off+0x300/0x300 [ 255.717911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.723452] ? check_preemption_disabled+0x48/0x200 [ 255.728473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.734027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.738884] apic_timer_interrupt+0xf/0x20 [ 255.743119] [ 255.745365] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 255.750302] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 255.769222] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 255.776949] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 255.784229] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 255.791505] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 255.798777] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 255.806051] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 255.813376] skb_clone+0x1bb/0x500 [ 255.816922] ? skb_split+0x11e0/0x11e0 [ 255.820823] ? dev_forward_skb+0x4c/0x60 [ 255.824894] ? __bpf_redirect+0x54b/0xb20 [ 255.829497] ? __switch_to_asm+0x34/0x70 [ 255.833575] bpf_clone_redirect+0xb9/0x490 [ 255.837867] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 255.842909] ? __sched_text_start+0x8/0x8 [ 255.847070] ? lockdep_hardirqs_on+0x421/0x5c0 [ 255.851660] ? retint_kernel+0x2d/0x2d [ 255.855554] ? trace_hardirqs_on_caller+0xc0/0x300 [ 255.860502] ? find_held_lock+0x36/0x1c0 [ 255.864572] ? lock_acquire+0x1ed/0x520 [ 255.868550] ? bpf_test_run+0x32e/0x5a0 [ 255.872535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.878077] ? check_preemption_disabled+0x48/0x200 [ 255.883102] ? kasan_check_read+0x11/0x20 [ 255.887264] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.892550] ? rcu_bh_qs+0xc0/0xc0 [ 255.896099] ? preempt_schedule+0x4d/0x60 [ 255.900258] ? ___preempt_schedule+0x16/0x18 [ 255.904679] ? bpf_test_run+0x1c0/0x5a0 [ 255.908670] ? netlink_diag_dump+0x2a0/0x2a0 [ 255.913088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.918627] ? bpf_test_init.isra.9+0x70/0x100 [ 255.923220] ? bpf_prog_test_run_skb+0x634/0xb40 [ 255.927999] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 255.932857] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 255.938393] ? fput+0x130/0x1a0 [ 255.941679] ? __bpf_prog_get+0x9b/0x290 [ 255.945744] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 255.950592] ? bpf_prog_test_run+0x130/0x1a0 [ 255.955012] ? __x64_sys_bpf+0x3d8/0x510 [ 255.959079] ? bpf_prog_get+0x20/0x20 [ 255.963198] ? ksys_ioctl+0x81/0xd0 [ 255.966842] ? do_syscall_64+0x1b9/0x820 [ 255.970910] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 255.976283] ? syscall_return_slowpath+0x5e0/0x5e0 [ 255.981222] ? trace_hardirqs_off+0x300/0x300 [ 255.985728] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 255.990749] ? recalc_sigpending_tsk+0x180/0x180 [ 255.995514] ? kasan_check_write+0x14/0x20 [ 255.999762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.004619] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 256.010042] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 256.010131] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.016983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.016989] Call Trace: [ 256.016997] [ 256.017015] dump_stack+0x1c4/0x2b4 [ 256.017033] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.023578] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.032878] warn_alloc.cold.118+0xb7/0x1bd [ 256.035423] syz-executor0 cpuset= [ 256.037576] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.041175] syz0 [ 256.046362] ? lock_downgrade+0x900/0x900 [ 256.056822] mems_allowed=0 [ 256.078453] ? trace_hardirqs_off+0xb8/0x300 [ 256.082880] ? trace_hardirqs_off+0xb8/0x300 [ 256.087307] __alloc_pages_slowpath+0x2667/0x2d80 [ 256.092183] ? warn_alloc+0x120/0x120 [ 256.095999] ? warn_alloc+0x120/0x120 [ 256.099806] ? print_usage_bug+0xc0/0xc0 [ 256.103868] ? warn_alloc+0x120/0x120 [ 256.107672] ? print_usage_bug+0xc0/0xc0 [ 256.111738] ? __lock_acquire+0x7ec/0x4ec0 [ 256.115984] ? __lock_acquire+0x7ec/0x4ec0 [ 256.120226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.125773] ? should_fail+0x22d/0xd01 [ 256.129669] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.134778] ? __lock_acquire+0x7ec/0x4ec0 [ 256.139025] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.144134] ? __lock_acquire+0x7ec/0x4ec0 [ 256.148375] ? should_fail+0x22d/0xd01 [ 256.152274] ? mark_held_locks+0x130/0x130 [ 256.156518] ? mark_held_locks+0x130/0x130 [ 256.160763] ? graph_lock+0x170/0x170 [ 256.164566] ? graph_lock+0x170/0x170 [ 256.168369] ? graph_lock+0x170/0x170 [ 256.172170] ? print_usage_bug+0xc0/0xc0 [ 256.176236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.181779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.187319] ? check_preemption_disabled+0x48/0x200 [ 256.192337] ? check_preemption_disabled+0x48/0x200 [ 256.197363] ? __lock_is_held+0xb5/0x140 [ 256.201437] __alloc_pages_nodemask+0xa80/0xde0 [ 256.206112] ? graph_lock+0x170/0x170 [ 256.209922] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 256.214937] ? graph_lock+0x170/0x170 [ 256.218764] ? find_held_lock+0x36/0x1c0 [ 256.222837] ? ____cache_alloc_node+0x1c7/0x1e0 [ 256.227507] ? lock_downgrade+0x900/0x900 [ 256.231666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.237214] cache_grow_begin+0x91/0x8c0 [ 256.241279] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.245696] fallback_alloc+0x203/0x2e0 [ 256.249679] ____cache_alloc_node+0x1c7/0x1e0 [ 256.254185] kmem_cache_alloc_node+0xe3/0x730 [ 256.258692] ? ipv6_get_ifaddr+0x42e/0x620 [ 256.262941] __alloc_skb+0x119/0x770 [ 256.266669] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.271951] ? skb_scrub_packet+0x490/0x490 [ 256.276284] ? lock_downgrade+0x900/0x900 [ 256.280447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.285996] ? refcount_sub_and_test_checked+0x203/0x310 [ 256.291457] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 256.296913] ? addrconf_rs_timer+0x6f0/0x6f0 [ 256.301341] ndisc_alloc_skb+0x144/0x340 [ 256.305408] ndisc_send_rs+0x331/0x6e0 [ 256.309305] addrconf_rs_timer+0x3c0/0x6f0 [ 256.313551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.317803] call_timer_fn+0x272/0x920 [ 256.321691] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.325934] ? process_timeout+0x40/0x40 [ 256.330001] ? find_held_lock+0x36/0x1c0 [ 256.334077] ? mark_held_locks+0xc7/0x130 [ 256.338234] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.342731] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.347232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.351470] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 256.356063] ? trace_hardirqs_on+0xbd/0x310 [ 256.360386] ? kasan_check_read+0x11/0x20 [ 256.364541] ? __run_timers+0x7da/0xc70 [ 256.368531] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.374002] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.378253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.382497] __run_timers+0x7e5/0xc70 [ 256.386321] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 256.391698] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.396722] ? graph_lock+0x170/0x170 [ 256.400538] ? print_usage_bug+0xc0/0xc0 [ 256.404607] ? lock_release+0x970/0x970 [ 256.408590] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 256.413798] ? find_held_lock+0x36/0x1c0 [ 256.417866] ? graph_lock+0x170/0x170 [ 256.421676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.427219] ? check_preemption_disabled+0x48/0x200 [ 256.432252] ? __lock_is_held+0xb5/0x140 [ 256.436325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.441869] ? check_preemption_disabled+0x48/0x200 [ 256.446898] run_timer_softirq+0x52/0xb0 [ 256.450964] ? rcu_read_lock_sched_held+0x108/0x120 [ 256.456004] __do_softirq+0x30b/0xad8 [ 256.459825] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 256.464941] ? pvclock_read_flags+0x160/0x160 [ 256.469448] ? lapic_next_event+0x5a/0x90 [ 256.473603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.479169] ? check_preemption_disabled+0x48/0x200 [ 256.484189] ? check_preemption_disabled+0x48/0x200 [ 256.489215] ? kvm_clock_read+0x18/0x30 [ 256.493194] ? kvm_sched_clock_read+0x9/0x20 [ 256.497608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.503150] ? check_preemption_disabled+0x48/0x200 [ 256.508184] irq_exit+0x17f/0x1c0 [ 256.511645] smp_apic_timer_interrupt+0x1cb/0x760 [ 256.516494] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.522382] ? interrupt_entry+0xb5/0xf0 [ 256.526450] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.531467] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.536486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.541335] ? trace_hardirqs_off+0x300/0x300 [ 256.545838] ? trace_hardirqs_off+0x300/0x300 [ 256.550344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.555884] ? check_preemption_disabled+0x48/0x200 [ 256.560907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.566468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.571328] apic_timer_interrupt+0xf/0x20 [ 256.575559] [ 256.577804] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 256.583170] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 256.602085] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 256.609802] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 256.617075] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 256.624350] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 256.631623] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 256.638892] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 256.646192] ? page_evictable+0x35d/0x540 [ 256.650361] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 256.655910] page_evictable+0x36b/0x540 [ 256.659892] ? kswapd_stop+0x100/0x100 [ 256.663793] ? ___might_sleep+0x1ed/0x300 [ 256.667947] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.673427] ? arch_local_save_flags+0x40/0x40 [ 256.678020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.683572] ? check_preemption_disabled+0x48/0x200 [ 256.688614] shrink_active_list+0x845/0x1c20 [ 256.693051] ? free_unref_page_list+0xc0f/0x11e0 [ 256.697841] ? shrink_inactive_list+0x1c60/0x1c60 [ 256.702705] ? graph_lock+0x170/0x170 [ 256.706514] ? __page_frag_cache_drain+0x200/0x200 [ 256.711444] ? print_usage_bug+0xc0/0xc0 [ 256.715525] ? find_held_lock+0x36/0x1c0 [ 256.719597] ? graph_lock+0x170/0x170 [ 256.723404] ? mark_held_locks+0xc7/0x130 [ 256.727576] ? check_preemption_disabled+0x48/0x200 [ 256.732594] ? check_preemption_disabled+0x48/0x200 [ 256.737626] ? graph_lock+0x170/0x170 [ 256.741430] ? __lock_is_held+0xb5/0x140 [ 256.745499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.751040] ? check_preemption_disabled+0x48/0x200 [ 256.756073] ? __lock_is_held+0xb5/0x140 [ 256.760155] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.765177] ? inactive_list_is_low+0x305/0x880 [ 256.769857] ? lruvec_lru_size+0x450/0x450 [ 256.774095] ? kasan_check_read+0x11/0x20 [ 256.778263] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 256.783218] shrink_node_memcg+0x803/0x18e0 [ 256.787569] ? shrink_active_list+0x1c20/0x1c20 [ 256.792252] ? lockdep_hardirqs_on+0x421/0x5c0 [ 256.796847] ? trace_hardirqs_on+0xbd/0x310 [ 256.801181] ? vmpressure+0x294/0x310 [ 256.804996] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.810482] shrink_node+0x3bc/0x16b0 [ 256.814292] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 256.819603] ? shrink_node_memcg+0x18e0/0x18e0 [ 256.824186] ? lockdep_hardirqs_on+0x421/0x5c0 [ 256.828778] ? trace_hardirqs_on+0xbd/0x310 [ 256.833106] ? vmpressure+0x294/0x310 [ 256.836913] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.841326] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 256.845919] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 256.851463] ? __cpuset_node_allowed+0x19b/0x660 [ 256.856226] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 256.861941] ? vmpressure+0x1c9/0x310 [ 256.865771] do_try_to_free_pages+0x3e7/0x1290 [ 256.870376] ? shrink_node+0x16b0/0x16b0 [ 256.874440] ? __lock_is_held+0xb5/0x140 [ 256.878519] try_to_free_pages+0x4d0/0xb90 [ 256.882772] ? do_try_to_free_pages+0x1290/0x1290 [ 256.887621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.893188] ? lock_acquire+0x1ed/0x520 [ 256.897177] ? set_page_refcounted+0x280/0x280 [ 256.901781] ? lock_release+0x970/0x970 [ 256.905777] ? ___might_sleep+0x1ed/0x300 [ 256.909931] ? arch_local_save_flags+0x40/0x40 [ 256.914522] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.919550] ? __radix_tree_lookup+0x358/0x4c0 [ 256.924152] __alloc_pages_slowpath+0x993/0x2d80 [ 256.928947] ? kasan_check_read+0x11/0x20 [ 256.933117] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.938411] ? warn_alloc+0x120/0x120 [ 256.942222] ? __radix_tree_lookup+0x4c0/0x4c0 [ 256.946835] ? find_get_entry+0x2f2/0xc40 [ 256.951010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.956560] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 256.961498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.967044] ? should_fail+0x22d/0xd01 [ 256.970945] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.976066] ? __lock_is_held+0xb5/0x140 [ 256.980136] ? graph_lock+0x170/0x170 [ 256.983950] ? graph_lock+0x170/0x170 [ 256.987794] ? __lock_is_held+0xb5/0x140 [ 256.991872] ? __lock_acquire+0x7ec/0x4ec0 [ 256.996124] ? ___might_sleep+0x1ed/0x300 [ 257.000284] ? lock_release+0x970/0x970 [ 257.004274] ? arch_local_save_flags+0x40/0x40 [ 257.008874] ? __might_sleep+0x95/0x190 [ 257.012862] __alloc_pages_nodemask+0xa80/0xde0 [ 257.017552] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.022577] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 257.028411] ? kasan_check_read+0x11/0x20 [ 257.032587] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.037879] ? graph_lock+0x170/0x170 [ 257.041704] ? print_usage_bug+0xc0/0xc0 [ 257.045788] ? graph_lock+0x170/0x170 [ 257.049594] ? graph_lock+0x170/0x170 [ 257.053408] ? __do_page_cache_readahead+0x7ce/0x980 [ 257.058542] ? find_held_lock+0x36/0x1c0 [ 257.062623] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 257.068172] alloc_pages_current+0x10c/0x210 [ 257.072590] ? lock_downgrade+0x900/0x900 [ 257.076758] __page_cache_alloc+0x38f/0x5b0 [ 257.081094] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 257.086901] ? kasan_check_read+0x11/0x20 [ 257.091060] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.096390] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 257.101069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.106613] ? check_preemption_disabled+0x48/0x200 [ 257.111648] filemap_fault+0x1594/0x25f0 [ 257.115731] ? __lock_page_or_retry+0xa00/0xa00 [ 257.120419] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 257.126227] ? kasan_check_read+0x11/0x20 [ 257.130389] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.135682] ? rcu_bh_qs+0xc0/0xc0 [ 257.139242] ? print_usage_bug+0xc0/0xc0 [ 257.143359] ? filemap_map_pages+0xdea/0x1980 [ 257.147892] ? print_usage_bug+0xc0/0xc0 [ 257.151985] ? find_get_pages_range_tag+0x1320/0x1320 [ 257.157185] ? print_usage_bug+0xc0/0xc0 [ 257.161253] ? __lock_acquire+0x7ec/0x4ec0 [ 257.165500] ? graph_lock+0x170/0x170 [ 257.169308] ? __sigqueue_free.part.27+0x7d/0xa0 [ 257.174078] ? __lock_acquire+0x7ec/0x4ec0 [ 257.178331] ? lock_acquire+0x1ed/0x520 [ 257.182313] ? ext4_filemap_fault+0x7a/0xad [ 257.186643] ? lock_release+0x970/0x970 [ 257.190624] ? arch_local_save_flags+0x40/0x40 [ 257.195214] ? mark_held_locks+0x130/0x130 [ 257.199469] ? down_read+0xb0/0x1d0 [ 257.203099] ? ext4_filemap_fault+0x7a/0xad [ 257.207428] ? __down_interruptible+0x700/0x700 [ 257.212148] ? graph_lock+0x170/0x170 [ 257.215958] ? __sigqueue_free.part.27+0x7d/0xa0 [ 257.220740] ext4_filemap_fault+0x82/0xad [ 257.224909] __do_fault+0x100/0x6b0 [ 257.228545] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.233832] ? print_bad_pte+0x6c0/0x6c0 [ 257.237902] ? pmd_val+0x88/0x100 [ 257.241360] ? add_mm_counter_fast+0xd0/0xd0 [ 257.245777] ? pmd_val+0x88/0x100 [ 257.249237] ? add_mm_counter_fast+0xd0/0xd0 [ 257.253658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.259206] __handle_mm_fault+0x3709/0x53e0 [ 257.263637] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 257.268487] ? graph_lock+0x170/0x170 [ 257.272292] ? print_usage_bug+0xc0/0xc0 [ 257.276361] ? graph_lock+0x170/0x170 [ 257.280162] ? graph_lock+0x170/0x170 [ 257.283997] ? handle_mm_fault+0x42a/0xc70 [ 257.288239] ? lock_downgrade+0x900/0x900 [ 257.292391] ? check_preemption_disabled+0x48/0x200 [ 257.297421] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 257.303219] ? kasan_check_read+0x11/0x20 [ 257.307376] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.312660] ? rcu_bh_qs+0xc0/0xc0 [ 257.316205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.321669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.327226] ? check_preemption_disabled+0x48/0x200 [ 257.332296] handle_mm_fault+0x54f/0xc70 [ 257.336374] ? __handle_mm_fault+0x53e0/0x53e0 [ 257.340965] ? find_vma+0x34/0x190 [ 257.344526] __do_page_fault+0x67d/0xed0 [ 257.348601] ? mm_fault_error+0x380/0x380 [ 257.352767] ? syscall_slow_exit_work+0x520/0x520 [ 257.357616] do_page_fault+0xf2/0x7e0 [ 257.361422] ? vmalloc_sync_all+0x30/0x30 [ 257.365578] ? error_entry+0x70/0xd0 [ 257.369299] ? trace_hardirqs_off_caller+0xbb/0x300 [ 257.374334] ? trace_hardirqs_on_caller+0xc0/0x300 [ 257.379283] ? syscall_return_slowpath+0x5e0/0x5e0 [ 257.384233] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.389099] ? trace_hardirqs_off+0x300/0x300 [ 257.393622] ? trace_hardirqs_off_caller+0x300/0x300 [ 257.398763] ? prepare_exit_to_usermode+0x291/0x3b0 [ 257.403806] ? page_fault+0x8/0x30 [ 257.407367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.412248] ? page_fault+0x8/0x30 [ 257.415808] page_fault+0x1e/0x30 [ 257.419268] RIP: 0033:0x45db60 [ 257.422473] Code: Bad RIP value. [ 257.425847] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 257.431219] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 257.438496] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 257.445774] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 257.453051] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 257.460321] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 257.467624] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 257.467630] warn_alloc_show_mem: 1 callbacks suppressed [ 257.467637] Mem-Info: [ 257.474825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.480196] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 257.480196] active_file:15 inactive_file:16 isolated_file:2 [ 257.480196] unevictable:0 dirty:0 writeback:0 unstable:0 [ 257.480196] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 257.480196] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 257.480196] free:13788 free_pcp:262 free_cma:0 [ 257.482571] Call Trace: [ 257.491976] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 257.524835] [ 257.527406] Node 0 [ 257.555274] dump_stack+0x1c4/0x2b4 [ 257.557418] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 257.559625] ? dump_stack_print_info.cold.2+0x52/0x52 [ 257.563223] lowmem_reserve[]: 0 [ 257.588792] warn_alloc.cold.118+0xb7/0x1bd [ 257.593953] 2815 6318 [ 257.597268] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.601553] 6318 [ 257.604046] ? lock_downgrade+0x900/0x900 [ 257.610927] ? trace_hardirqs_off+0xb8/0x300 [ 257.615047] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 257.619487] ? trace_hardirqs_off+0xb8/0x300 [ 257.619512] __alloc_pages_slowpath+0x2667/0x2d80 [ 257.647083] lowmem_reserve[]: 0 [ 257.651549] ? warn_alloc+0x120/0x120 [ 257.656327] 0 [ 257.659606] ? warn_alloc+0x120/0x120 [ 257.663382] 3503 [ 257.665182] ? print_usage_bug+0xc0/0xc0 [ 257.668953] 3503 [ 257.671018] ? warn_alloc+0x120/0x120 [ 257.677112] ? print_usage_bug+0xc0/0xc0 [ 257.680889] Node 0 [ 257.684948] ? __lock_acquire+0x7ec/0x4ec0 [ 257.684989] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 257.684997] lowmem_reserve[]: [ 257.687233] ? __lock_acquire+0x7ec/0x4ec0 [ 257.691444] 0 [ 257.719838] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.722908] 0 0 [ 257.727185] ? should_fail+0x22d/0xd01 [ 257.728957] 0 [ 257.734512] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.740350] ? __lock_acquire+0x7ec/0x4ec0 [ 257.742129] Node 0 [ 257.747246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.751465] DMA: 1*4kB [ 257.753709] ? __lock_acquire+0x7ec/0x4ec0 [ 257.753727] ? should_fail+0x22d/0xd01 [ 257.758808] (U) [ 257.761402] ? mark_held_locks+0x130/0x130 [ 257.765602] 0*8kB [ 257.769483] ? mark_held_locks+0x130/0x130 [ 257.771435] 0*16kB [ 257.775667] ? graph_lock+0x170/0x170 [ 257.777795] 1*32kB [ 257.782020] ? graph_lock+0x170/0x170 [ 257.784230] (U) [ 257.788028] ? graph_lock+0x170/0x170 [ 257.790242] 2*64kB [ 257.794043] ? print_usage_bug+0xc0/0xc0 [ 257.795996] (U) [ 257.799791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.802000] 1*128kB [ 257.806055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.808096] (U) [ 257.813628] ? check_preemption_disabled+0x48/0x200 [ 257.815929] 1*256kB [ 257.821457] ? check_preemption_disabled+0x48/0x200 [ 257.823413] (U) [ 257.828426] ? __lock_is_held+0xb5/0x140 [ 257.830946] 0*512kB [ 257.835980] __alloc_pages_nodemask+0xa80/0xde0 [ 257.837928] 1*1024kB [ 257.841985] ? graph_lock+0x170/0x170 [ 257.844286] (U) [ 257.848952] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.851340] 1*2048kB [ 257.855132] ? graph_lock+0x170/0x170 [ 257.857089] (M) [ 257.862105] ? find_held_lock+0x36/0x1c0 [ 257.864488] 3*4096kB [ 257.868298] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.870242] (M) [ 257.874299] ? lock_downgrade+0x900/0x900 [ 257.876687] = 15908kB [ 257.881351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.883301] Node 0 [ 257.887444] cache_grow_begin+0x91/0x8c0 [ 257.889829] DMA32: [ 257.895359] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.897570] 3*4kB [ 257.901625] fallback_alloc+0x203/0x2e0 [ 257.903834] (M) [ 257.908240] ____cache_alloc_node+0x1c7/0x1e0 [ 257.910362] 2*8kB [ 257.914333] kmem_cache_alloc_node+0xe3/0x730 [ 257.916288] (M) [ 257.920792] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.922913] 1*16kB [ 257.927407] __alloc_skb+0x119/0x770 [ 257.929352] (M) [ 257.933588] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.935794] 1*32kB [ 257.939500] ? skb_scrub_packet+0x490/0x490 [ 257.941452] (M) [ 257.946720] ? lock_downgrade+0x900/0x900 [ 257.948933] 3*64kB [ 257.953271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.955200] (UM) [ 257.959345] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.962023] 3*128kB (M) [ 257.967570] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.969612] 2*256kB [ 257.975060] ? addrconf_rs_timer+0x6f0/0x6f0 [ 257.977703] (M) [ 257.983155] ndisc_alloc_skb+0x144/0x340 [ 257.985450] 3*512kB [ 257.989854] ndisc_send_rs+0x331/0x6e0 [ 257.991807] (M) [ 257.995867] addrconf_rs_timer+0x3c0/0x6f0 [ 257.998168] 4*1024kB [ 258.002049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.004002] (UM) [ 258.008242] call_timer_fn+0x272/0x920 [ 258.010619] 3*2048kB [ 258.014849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.016885] (UM) [ 258.020780] ? process_timeout+0x40/0x40 [ 258.023162] 3*4096kB [ 258.027392] ? find_held_lock+0x36/0x1c0 [ 258.029428] (M) [ 258.033486] ? __run_timers+0x7da/0xc70 [ 258.035868] = 25228kB [ 258.039924] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.041872] Node 0 [ 258.045840] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.048225] Normal: [ 258.052717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.054929] 866*4kB [ 258.059421] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 258.061716] (ME) [ 258.065949] ? trace_hardirqs_on+0xbd/0x310 [ 258.068252] 469*8kB [ 258.072850] ? kasan_check_read+0x11/0x20 [ 258.074884] (UME) [ 258.079210] ? __run_timers+0x7da/0xc70 [ 258.081510] 197*16kB [ 258.085652] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.087775] (UME) [ 258.091750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.094137] 59*32kB [ 258.099582] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.101704] (UME) [ 258.105940] __run_timers+0x7e5/0xc70 [ 258.108235] 18*64kB [ 258.112481] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 258.114591] (ME) 3*128kB [ 258.118402] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.120694] (M) [ 258.126052] ? graph_lock+0x170/0x170 [ 258.128804] 1*256kB [ 258.133812] ? enqueue_hrtimer+0x1a5/0x560 [ 258.135769] (U) [ 258.139566] ? lock_release+0x970/0x970 [ 258.141866] 0*512kB [ 258.146104] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.148058] 0*1024kB [ 258.152029] ? find_held_lock+0x36/0x1c0 [ 258.154327] 0*2048kB [ 258.159509] ? graph_lock+0x170/0x170 [ 258.161896] 0*4096kB [ 258.165951] ? pvclock_read_flags+0x160/0x160 [ 258.168334] = 14048kB [ 258.172152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.174541] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 258.179027] ? check_preemption_disabled+0x48/0x200 [ 258.181418] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 258.186959] ? __lock_is_held+0xb5/0x140 [ 258.195770] 412 total pagecache pages [ 258.200785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.209339] 0 pages in swap cache [ 258.213387] ? check_preemption_disabled+0x48/0x200 [ 258.217169] Swap cache stats: add 0, delete 0, find 0/0 [ 258.222699] run_timer_softirq+0x52/0xb0 [ 258.226127] Free swap = 0kB [ 258.231139] ? rcu_read_lock_sched_held+0x108/0x120 [ 258.236470] Total swap = 0kB [ 258.236478] 1965979 pages RAM [ 258.240539] __do_softirq+0x30b/0xad8 [ 258.243525] 0 pages HighMem/MovableOnly [ 258.243535] 343323 pages reserved [ 258.248555] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.251539] 0 pages cma reserved [ 258.254641] ? pvclock_read_flags+0x160/0x160 [ 258.258491] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.262388] ? lapic_next_event+0x5a/0x90 [ 258.265895] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.270932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.274274] syz-fuzzer cpuset= [ 258.278790] ? check_preemption_disabled+0x48/0x200 [ 258.285271] / [ 258.289431] ? check_preemption_disabled+0x48/0x200 [ 258.299647] mems_allowed=0 [ 258.305202] ? kvm_clock_read+0x18/0x30 [ 258.327003] ? kvm_sched_clock_read+0x9/0x20 [ 258.331464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.337025] ? check_preemption_disabled+0x48/0x200 [ 258.342087] irq_exit+0x17f/0x1c0 [ 258.345563] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.350433] ? smp_reschedule_interrupt+0x109/0x650 [ 258.355498] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.361413] ? interrupt_entry+0xb5/0xf0 [ 258.365501] ? trace_hardirqs_off_caller+0xbb/0x300 [ 258.370532] ? trace_hardirqs_off_caller+0xbb/0x300 [ 258.375573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.380448] ? trace_hardirqs_off+0x300/0x300 [ 258.384966] ? trace_hardirqs_off+0x300/0x300 [ 258.389491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.395134] ? check_preemption_disabled+0x48/0x200 [ 258.400162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.405717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.410589] apic_timer_interrupt+0xf/0x20 [ 258.414822] [ 258.417068] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 258.422013] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 258.440931] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 258.448672] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 258.455955] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 258.463240] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 258.470517] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 258.477790] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 258.485112] skb_clone+0x1bb/0x500 [ 258.488671] ? skb_split+0x11e0/0x11e0 [ 258.492573] ? dev_forward_skb+0x4c/0x60 [ 258.496643] ? __bpf_redirect+0x54b/0xb20 [ 258.500797] ? __switch_to_asm+0x34/0x70 [ 258.504870] bpf_clone_redirect+0xb9/0x490 [ 258.509118] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 258.514150] ? __sched_text_start+0x8/0x8 [ 258.518311] ? lockdep_hardirqs_on+0x421/0x5c0 [ 258.522901] ? retint_kernel+0x2d/0x2d [ 258.526803] ? trace_hardirqs_on_caller+0xc0/0x300 [ 258.531742] ? find_held_lock+0x36/0x1c0 [ 258.535814] ? lock_acquire+0x1ed/0x520 [ 258.539889] ? bpf_test_run+0x32e/0x5a0 [ 258.543869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.549408] ? check_preemption_disabled+0x48/0x200 [ 258.554431] ? kasan_check_read+0x11/0x20 [ 258.558586] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.563873] ? rcu_bh_qs+0xc0/0xc0 [ 258.567421] ? preempt_schedule+0x4d/0x60 [ 258.571575] ? ___preempt_schedule+0x16/0x18 [ 258.576003] ? bpf_test_run+0x1c0/0x5a0 [ 258.580029] ? netlink_diag_dump+0x2a0/0x2a0 [ 258.584447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.589995] ? bpf_test_init.isra.9+0x70/0x100 [ 258.594587] ? bpf_prog_test_run_skb+0x634/0xb40 [ 258.599352] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 258.604194] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 258.609732] ? fput+0x130/0x1a0 [ 258.613019] ? __bpf_prog_get+0x9b/0x290 [ 258.617087] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 258.621930] ? bpf_prog_test_run+0x130/0x1a0 [ 258.626345] ? __x64_sys_bpf+0x3d8/0x510 [ 258.630413] ? bpf_prog_get+0x20/0x20 [ 258.634224] ? ksys_ioctl+0x81/0xd0 [ 258.637869] ? do_syscall_64+0x1b9/0x820 [ 258.641936] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 258.647310] ? syscall_return_slowpath+0x5e0/0x5e0 [ 258.652245] ? trace_hardirqs_off+0x300/0x300 [ 258.656751] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 258.661773] ? recalc_sigpending_tsk+0x180/0x180 [ 258.666535] ? kasan_check_write+0x14/0x20 [ 258.670778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.675641] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 258.681029] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 258.681116] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.687961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.687976] Call Trace: [ 258.687984] [ 258.688004] dump_stack+0x1c4/0x2b4 [ 258.688024] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.694613] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.703877] warn_alloc.cold.118+0xb7/0x1bd [ 258.706432] syz-executor0 cpuset= [ 258.708586] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 258.712186] syz0 [ 258.717383] ? lock_downgrade+0x900/0x900 [ 258.727858] mems_allowed=0 [ 258.732188] ? trace_hardirqs_off+0xb8/0x300 [ 258.753893] ? trace_hardirqs_off+0xb8/0x300 [ 258.758318] __alloc_pages_slowpath+0x2667/0x2d80 [ 258.763195] ? warn_alloc+0x120/0x120 [ 258.767014] ? warn_alloc+0x120/0x120 [ 258.770824] ? print_usage_bug+0xc0/0xc0 [ 258.774890] ? warn_alloc+0x120/0x120 [ 258.778692] ? print_usage_bug+0xc0/0xc0 [ 258.782763] ? __lock_acquire+0x7ec/0x4ec0 [ 258.787003] ? __lock_acquire+0x7ec/0x4ec0 [ 258.791246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.796799] ? should_fail+0x22d/0xd01 [ 258.800697] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.805800] ? __lock_acquire+0x7ec/0x4ec0 [ 258.810045] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.815150] ? __lock_acquire+0x7ec/0x4ec0 [ 258.819385] ? should_fail+0x22d/0xd01 [ 258.823284] ? mark_held_locks+0x130/0x130 [ 258.827527] ? mark_held_locks+0x130/0x130 [ 258.831770] ? graph_lock+0x170/0x170 [ 258.835575] ? graph_lock+0x170/0x170 [ 258.839384] ? graph_lock+0x170/0x170 [ 258.843187] ? print_usage_bug+0xc0/0xc0 [ 258.847259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.852801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.858337] ? check_preemption_disabled+0x48/0x200 [ 258.863351] ? check_preemption_disabled+0x48/0x200 [ 258.868384] ? __lock_is_held+0xb5/0x140 [ 258.872460] __alloc_pages_nodemask+0xa80/0xde0 [ 258.877132] ? graph_lock+0x170/0x170 [ 258.880939] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 258.885965] ? graph_lock+0x170/0x170 [ 258.889792] ? find_held_lock+0x36/0x1c0 [ 258.893866] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.898538] ? lock_downgrade+0x900/0x900 [ 258.902700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.908251] cache_grow_begin+0x91/0x8c0 [ 258.912315] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.916738] fallback_alloc+0x203/0x2e0 [ 258.920731] ____cache_alloc_node+0x1c7/0x1e0 [ 258.925242] kmem_cache_alloc_node+0xe3/0x730 [ 258.929745] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.934010] __alloc_skb+0x119/0x770 [ 258.937731] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.943022] ? skb_scrub_packet+0x490/0x490 [ 258.947346] ? lock_downgrade+0x900/0x900 [ 258.951508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.957068] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.962531] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.968072] ? addrconf_rs_timer+0x6f0/0x6f0 [ 258.972502] ndisc_alloc_skb+0x144/0x340 [ 258.976572] ndisc_send_rs+0x331/0x6e0 [ 258.980469] addrconf_rs_timer+0x3c0/0x6f0 [ 258.984712] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.988963] call_timer_fn+0x272/0x920 [ 258.992862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.997105] ? process_timeout+0x40/0x40 [ 259.001169] ? find_held_lock+0x36/0x1c0 [ 259.005241] ? mark_held_locks+0xc7/0x130 [ 259.009398] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.013896] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.018395] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.022634] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 259.027220] ? trace_hardirqs_on+0xbd/0x310 [ 259.031543] ? kasan_check_read+0x11/0x20 [ 259.035696] ? __run_timers+0x7da/0xc70 [ 259.039676] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.045138] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.049380] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.053630] __run_timers+0x7e5/0xc70 [ 259.057462] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 259.062834] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 259.067857] ? graph_lock+0x170/0x170 [ 259.071665] ? print_usage_bug+0xc0/0xc0 [ 259.075737] ? lock_release+0x970/0x970 [ 259.079720] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 259.084925] ? find_held_lock+0x36/0x1c0 [ 259.089003] ? graph_lock+0x170/0x170 [ 259.092810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.098351] ? check_preemption_disabled+0x48/0x200 [ 259.103379] ? __lock_is_held+0xb5/0x140 [ 259.107445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.112990] ? check_preemption_disabled+0x48/0x200 [ 259.118023] run_timer_softirq+0x52/0xb0 [ 259.122089] ? rcu_read_lock_sched_held+0x108/0x120 [ 259.127112] __do_softirq+0x30b/0xad8 [ 259.130925] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 259.136038] ? pvclock_read_flags+0x160/0x160 [ 259.140536] ? lapic_next_event+0x5a/0x90 [ 259.144689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.150227] ? check_preemption_disabled+0x48/0x200 [ 259.155245] ? check_preemption_disabled+0x48/0x200 [ 259.160269] ? kvm_clock_read+0x18/0x30 [ 259.164244] ? kvm_sched_clock_read+0x9/0x20 [ 259.168661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.174202] ? check_preemption_disabled+0x48/0x200 [ 259.179252] irq_exit+0x17f/0x1c0 [ 259.182716] smp_apic_timer_interrupt+0x1cb/0x760 [ 259.187563] ? smp_call_function_single_interrupt+0x650/0x650 [ 259.193452] ? interrupt_entry+0xb5/0xf0 [ 259.197521] ? trace_hardirqs_off_caller+0xbb/0x300 [ 259.202538] ? trace_hardirqs_off_caller+0xbb/0x300 [ 259.207566] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.212413] ? trace_hardirqs_off+0x300/0x300 [ 259.216906] ? trace_hardirqs_off+0x300/0x300 [ 259.221404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.226942] ? check_preemption_disabled+0x48/0x200 [ 259.231980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.237534] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.242390] apic_timer_interrupt+0xf/0x20 [ 259.246621] [ 259.248868] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 259.254240] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 259.273152] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 259.280873] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 259.288141] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 259.295412] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 259.302681] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 259.309955] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 259.317264] ? page_evictable+0x35d/0x540 [ 259.321432] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 259.326989] page_evictable+0x36b/0x540 [ 259.330981] ? kswapd_stop+0x100/0x100 [ 259.334876] ? ___might_sleep+0x1ed/0x300 [ 259.339027] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.344486] ? arch_local_save_flags+0x40/0x40 [ 259.349074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.354613] ? check_preemption_disabled+0x48/0x200 [ 259.359644] shrink_active_list+0x845/0x1c20 [ 259.364075] ? free_unref_page_list+0xc0f/0x11e0 [ 259.368862] ? shrink_inactive_list+0x1c60/0x1c60 [ 259.373727] ? graph_lock+0x170/0x170 [ 259.377540] ? __page_frag_cache_drain+0x200/0x200 [ 259.382472] ? print_usage_bug+0xc0/0xc0 [ 259.386551] ? find_held_lock+0x36/0x1c0 [ 259.390619] ? graph_lock+0x170/0x170 [ 259.394427] ? mark_held_locks+0xc7/0x130 [ 259.398588] ? check_preemption_disabled+0x48/0x200 [ 259.403601] ? check_preemption_disabled+0x48/0x200 [ 259.408628] ? graph_lock+0x170/0x170 [ 259.412431] ? __lock_is_held+0xb5/0x140 [ 259.416497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.422039] ? check_preemption_disabled+0x48/0x200 [ 259.427072] ? __lock_is_held+0xb5/0x140 [ 259.431153] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 259.436174] ? inactive_list_is_low+0x305/0x880 [ 259.440854] ? lruvec_lru_size+0x450/0x450 [ 259.445089] ? kasan_check_read+0x11/0x20 [ 259.449249] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 259.454192] shrink_node_memcg+0x803/0x18e0 [ 259.458537] ? shrink_active_list+0x1c20/0x1c20 [ 259.463216] ? lockdep_hardirqs_on+0x421/0x5c0 [ 259.467805] ? trace_hardirqs_on+0xbd/0x310 [ 259.472134] ? vmpressure+0x294/0x310 [ 259.475943] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.481507] shrink_node+0x3bc/0x16b0 [ 259.485316] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 259.490622] ? shrink_node_memcg+0x18e0/0x18e0 [ 259.495209] ? lockdep_hardirqs_on+0x421/0x5c0 [ 259.499800] ? trace_hardirqs_on+0xbd/0x310 [ 259.504125] ? vmpressure+0x294/0x310 [ 259.507933] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.512346] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 259.516942] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 259.522506] ? __cpuset_node_allowed+0x19b/0x660 [ 259.527268] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 259.532989] ? vmpressure+0x1c9/0x310 [ 259.537065] do_try_to_free_pages+0x3e7/0x1290 [ 259.541669] ? shrink_node+0x16b0/0x16b0 [ 259.545738] ? __lock_is_held+0xb5/0x140 [ 259.549828] try_to_free_pages+0x4d0/0xb90 [ 259.554076] ? do_try_to_free_pages+0x1290/0x1290 [ 259.558921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.564480] ? lock_acquire+0x1ed/0x520 [ 259.568473] ? set_page_refcounted+0x280/0x280 [ 259.573070] ? lock_release+0x970/0x970 [ 259.577051] ? ___might_sleep+0x1ed/0x300 [ 259.581205] ? arch_local_save_flags+0x40/0x40 [ 259.585808] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 259.590848] ? __radix_tree_lookup+0x358/0x4c0 [ 259.595449] __alloc_pages_slowpath+0x993/0x2d80 [ 259.600239] ? kasan_check_read+0x11/0x20 [ 259.604411] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.609698] ? warn_alloc+0x120/0x120 [ 259.613508] ? __radix_tree_lookup+0x4c0/0x4c0 [ 259.618121] ? find_get_entry+0x2f2/0xc40 [ 259.622288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.627856] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 259.632799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.638346] ? should_fail+0x22d/0xd01 [ 259.642251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.647363] ? __lock_is_held+0xb5/0x140 [ 259.651431] ? graph_lock+0x170/0x170 [ 259.655247] ? graph_lock+0x170/0x170 [ 259.659072] ? __lock_is_held+0xb5/0x140 [ 259.663150] ? __lock_acquire+0x7ec/0x4ec0 [ 259.667397] ? ___might_sleep+0x1ed/0x300 [ 259.671551] ? lock_release+0x970/0x970 [ 259.675533] ? arch_local_save_flags+0x40/0x40 [ 259.680129] ? __might_sleep+0x95/0x190 [ 259.684116] __alloc_pages_nodemask+0xa80/0xde0 [ 259.688800] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.693845] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 259.699655] ? kasan_check_read+0x11/0x20 [ 259.703805] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.709090] ? graph_lock+0x170/0x170 [ 259.712894] ? print_usage_bug+0xc0/0xc0 [ 259.716960] ? graph_lock+0x170/0x170 [ 259.720774] ? graph_lock+0x170/0x170 [ 259.724582] ? __do_page_cache_readahead+0x7ce/0x980 [ 259.729694] ? find_held_lock+0x36/0x1c0 [ 259.733769] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 259.739316] alloc_pages_current+0x10c/0x210 [ 259.743727] ? lock_downgrade+0x900/0x900 [ 259.747889] __page_cache_alloc+0x38f/0x5b0 [ 259.752218] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 259.758016] ? kasan_check_read+0x11/0x20 [ 259.762168] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.767451] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 259.772127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.777664] ? check_preemption_disabled+0x48/0x200 [ 259.782691] filemap_fault+0x1594/0x25f0 [ 259.786773] ? __lock_page_or_retry+0xa00/0xa00 [ 259.791447] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 259.797245] ? kasan_check_read+0x11/0x20 [ 259.801399] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.806679] ? rcu_bh_qs+0xc0/0xc0 [ 259.810231] ? print_usage_bug+0xc0/0xc0 [ 259.814307] ? filemap_map_pages+0xdea/0x1980 [ 259.818813] ? print_usage_bug+0xc0/0xc0 [ 259.822882] ? find_get_pages_range_tag+0x1320/0x1320 [ 259.828076] ? print_usage_bug+0xc0/0xc0 [ 259.832425] ? __lock_acquire+0x7ec/0x4ec0 [ 259.836665] ? graph_lock+0x170/0x170 [ 259.840474] ? __sigqueue_free.part.27+0x7d/0xa0 [ 259.845253] ? __lock_acquire+0x7ec/0x4ec0 [ 259.849506] ? lock_acquire+0x1ed/0x520 [ 259.853481] ? ext4_filemap_fault+0x7a/0xad [ 259.857812] ? lock_release+0x970/0x970 [ 259.861809] ? arch_local_save_flags+0x40/0x40 [ 259.866411] ? mark_held_locks+0x130/0x130 [ 259.870664] ? down_read+0xb0/0x1d0 [ 259.874295] ? ext4_filemap_fault+0x7a/0xad [ 259.878619] ? __down_interruptible+0x700/0x700 [ 259.883294] ? graph_lock+0x170/0x170 [ 259.887099] ? __sigqueue_free.part.27+0x7d/0xa0 [ 259.891871] ext4_filemap_fault+0x82/0xad [ 259.896031] __do_fault+0x100/0x6b0 [ 259.899675] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.904965] ? print_bad_pte+0x6c0/0x6c0 [ 259.909048] ? pmd_val+0x88/0x100 [ 259.912508] ? add_mm_counter_fast+0xd0/0xd0 [ 259.916920] ? pmd_val+0x88/0x100 [ 259.920379] ? add_mm_counter_fast+0xd0/0xd0 [ 259.924800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.930347] __handle_mm_fault+0x3709/0x53e0 [ 259.934777] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 259.939629] ? graph_lock+0x170/0x170 [ 259.943437] ? print_usage_bug+0xc0/0xc0 [ 259.947507] ? graph_lock+0x170/0x170 [ 259.951311] ? graph_lock+0x170/0x170 [ 259.955139] ? handle_mm_fault+0x42a/0xc70 [ 259.959379] ? lock_downgrade+0x900/0x900 [ 259.964036] ? check_preemption_disabled+0x48/0x200 [ 259.969069] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 259.974869] ? kasan_check_read+0x11/0x20 [ 259.979022] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.984306] ? rcu_bh_qs+0xc0/0xc0 [ 259.987850] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.993307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.998862] ? check_preemption_disabled+0x48/0x200 [ 260.003902] handle_mm_fault+0x54f/0xc70 [ 260.007987] ? __handle_mm_fault+0x53e0/0x53e0 [ 260.012577] ? find_vma+0x34/0x190 [ 260.016131] __do_page_fault+0x67d/0xed0 [ 260.020208] ? mm_fault_error+0x380/0x380 [ 260.024371] ? syscall_slow_exit_work+0x520/0x520 [ 260.029238] do_page_fault+0xf2/0x7e0 [ 260.033059] ? vmalloc_sync_all+0x30/0x30 [ 260.037217] ? error_entry+0x70/0xd0 [ 260.040939] ? trace_hardirqs_off_caller+0xbb/0x300 [ 260.045980] ? trace_hardirqs_on_caller+0xc0/0x300 [ 260.050913] ? syscall_return_slowpath+0x5e0/0x5e0 [ 260.055850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.060696] ? trace_hardirqs_off+0x300/0x300 [ 260.065194] ? trace_hardirqs_off_caller+0x300/0x300 [ 260.070306] ? prepare_exit_to_usermode+0x291/0x3b0 [ 260.075329] ? page_fault+0x8/0x30 [ 260.078876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.083726] ? page_fault+0x8/0x30 [ 260.087279] page_fault+0x1e/0x30 [ 260.090734] RIP: 0033:0x45db60 [ 260.093938] Code: Bad RIP value. [ 260.097308] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 260.102671] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 260.109938] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 260.117232] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 260.124502] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 260.131774] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 260.139078] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 260.139084] warn_alloc_show_mem: 1 callbacks suppressed [ 260.139092] Mem-Info: [ 260.146279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.151646] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 260.151646] active_file:15 inactive_file:16 isolated_file:2 [ 260.151646] unevictable:0 dirty:0 writeback:0 unstable:0 [ 260.151646] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 260.151646] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 260.151646] free:13788 free_pcp:262 free_cma:0 [ 260.154023] Call Trace: [ 260.163412] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 260.196263] [ 260.198836] Node 0 [ 260.226510] dump_stack+0x1c4/0x2b4 [ 260.228655] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 260.230862] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.234455] lowmem_reserve[]: 0 [ 260.259984] warn_alloc.cold.118+0xb7/0x1bd [ 260.265138] 2815 [ 260.268412] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.272735] 6318 [ 260.274799] ? lock_downgrade+0x900/0x900 [ 260.279613] 6318 [ 260.281675] ? trace_hardirqs_off+0xb8/0x300 [ 260.287848] ? trace_hardirqs_off+0xb8/0x300 [ 260.292229] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 260.296659] __alloc_pages_slowpath+0x2667/0x2d80 [ 260.296701] ? warn_alloc+0x120/0x120 [ 260.324263] lowmem_reserve[]: [ 260.329122] ? warn_alloc+0x120/0x120 [ 260.332880] 0 [ 260.335988] ? print_usage_bug+0xc0/0xc0 [ 260.339758] 0 3503 [ 260.341575] ? warn_alloc+0x120/0x120 [ 260.345598] 3503 [ 260.347843] ? print_usage_bug+0xc0/0xc0 [ 260.351617] Node 0 [ 260.353674] ? __lock_acquire+0x7ec/0x4ec0 [ 260.357749] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 260.359959] ? __lock_acquire+0x7ec/0x4ec0 [ 260.364177] lowmem_reserve[]: [ 260.392583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.396788] 0 [ 260.399905] ? should_fail+0x22d/0xd01 [ 260.405413] 0 [ 260.407211] ? __lock_acquire+0x7ec/0x4ec0 [ 260.411071] 0 [ 260.412867] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.417076] 0 [ 260.418872] ? __lock_acquire+0x7ec/0x4ec0 [ 260.425753] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.429978] Node 0 [ 260.435072] ? __lock_acquire+0x7ec/0x4ec0 [ 260.435082] DMA: [ 260.437316] ? should_fail+0x22d/0xd01 [ 260.441525] 1*4kB [ 260.443592] ? mark_held_locks+0x130/0x130 [ 260.447447] (U) [ 260.449594] ? mark_held_locks+0x130/0x130 [ 260.453803] 0*8kB [ 260.455778] ? try_to_wake_up+0x10a/0x12f0 [ 260.459991] 0*16kB [ 260.462131] ? graph_lock+0x170/0x170 [ 260.466343] 1*32kB [ 260.468570] ? print_usage_bug+0xc0/0xc0 [ 260.472342] (U) [ 260.474577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.478609] 2*64kB [ 260.480579] ? check_preemption_disabled+0x48/0x200 [ 260.486087] (U) [ 260.488320] ? check_preemption_disabled+0x48/0x200 [ 260.493314] 1*128kB [ 260.495291] ? __lock_is_held+0xb5/0x140 [ 260.500274] (U) [ 260.502603] __alloc_pages_nodemask+0xa80/0xde0 [ 260.506627] 1*256kB (U) [ 260.508614] ? graph_lock+0x170/0x170 [ 260.513277] 0*512kB [ 260.515939] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 260.519713] 1*1024kB [ 260.522033] ? graph_lock+0x170/0x170 [ 260.527023] (U) [ 260.529434] ? find_held_lock+0x36/0x1c0 [ 260.533204] 1*2048kB [ 260.535187] ? ____cache_alloc_node+0x1c7/0x1e0 [ 260.539213] (M) [ 260.541637] ? lock_downgrade+0x900/0x900 [ 260.546286] 3*4096kB [ 260.548267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.552378] (M) [ 260.554783] cache_grow_begin+0x91/0x8c0 [ 260.560292] = 15908kB [ 260.562267] ? do_raw_spin_unlock+0xa7/0x2f0 [ 260.566296] Node 0 [ 260.568703] fallback_alloc+0x203/0x2e0 [ 260.573085] DMA32: [ 260.575319] ____cache_alloc_node+0x1c7/0x1e0 [ 260.579260] 3*4kB (M) [ 260.581507] kmem_cache_alloc_node+0xe3/0x730 [ 260.585988] 2*8kB [ 260.588486] ? ipv6_get_ifaddr+0x42e/0x620 [ 260.592947] (M) [ 260.595126] __alloc_skb+0x119/0x770 [ 260.599331] 1*16kB [ 260.601308] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.605000] (M) [ 260.607233] ? skb_scrub_packet+0x490/0x490 [ 260.612485] 1*32kB [ 260.614459] ? lock_downgrade+0x900/0x900 [ 260.618760] (M) [ 260.620999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.625120] 3*64kB [ 260.627094] ? refcount_sub_and_test_checked+0x203/0x310 [ 260.632604] (UM) [ 260.634836] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 260.640272] 3*128kB (M) [ 260.642342] ? addrconf_rs_timer+0x6f0/0x6f0 [ 260.647770] 2*256kB [ 260.650447] ndisc_alloc_skb+0x144/0x340 [ 260.654826] (M) [ 260.657158] ndisc_send_rs+0x331/0x6e0 [ 260.661185] 3*512kB [ 260.663156] addrconf_rs_timer+0x3c0/0x6f0 [ 260.667013] (M) [ 260.669334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.673543] 4*1024kB [ 260.675527] call_timer_fn+0x272/0x920 [ 260.679728] (UM) [ 260.682132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.685998] 3*2048kB [ 260.688057] ? process_timeout+0x40/0x40 [ 260.692259] (UM) 3*4096kB [ 260.694676] ? find_held_lock+0x36/0x1c0 [ 260.698708] (M) [ 260.701552] ? __run_timers+0x7da/0xc70 [ 260.705586] = 25228kB [ 260.707557] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.711505] Node 0 [ 260.713907] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.718378] Normal: [ 260.720614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.725086] 866*4kB [ 260.727406] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 260.731628] (ME) [ 260.733946] ? trace_hardirqs_on+0xbd/0x310 [ 260.738499] 469*8kB (UME) [ 260.740567] ? kasan_check_read+0x11/0x20 [ 260.744867] 197*16kB [ 260.747711] ? __run_timers+0x7da/0xc70 [ 260.751829] (UME) [ 260.754234] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.758181] 59*32kB [ 260.760332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.765744] (UME) 18*64kB [ 260.768092] __run_timers+0x7e5/0xc70 [ 260.772292] (ME) 3*128kB [ 260.775156] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 260.778923] (M) [ 260.781680] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 260.787027] 1*256kB [ 260.789010] ? graph_lock+0x170/0x170 [ 260.793999] (U) [ 260.796318] ? enqueue_hrtimer+0x1a5/0x560 [ 260.800087] 0*512kB 0*1024kB [ 260.802072] ? lock_release+0x970/0x970 [ 260.806284] 0*2048kB [ 260.809383] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 260.813332] 0*4096kB [ 260.815738] ? find_held_lock+0x36/0x1c0 [ 260.820899] = 14048kB [ 260.823303] ? graph_lock+0x170/0x170 [ 260.827343] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 260.829739] ? pvclock_read_flags+0x160/0x160 [ 260.833524] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 260.842358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.846828] 412 total pagecache pages [ 260.855421] ? check_preemption_disabled+0x48/0x200 [ 260.860938] 0 pages in swap cache [ 260.864751] ? __lock_is_held+0xb5/0x140 [ 260.869734] Swap cache stats: add 0, delete 0, find 0/0 [ 260.873181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.877210] Free swap = 0kB [ 260.877220] Total swap = 0kB [ 260.882591] ? check_preemption_disabled+0x48/0x200 [ 260.888100] 1965979 pages RAM [ 260.891122] run_timer_softirq+0x52/0xb0 [ 260.894109] 0 pages HighMem/MovableOnly [ 260.899117] ? rcu_read_lock_sched_held+0x108/0x120 [ 260.902201] 343323 pages reserved [ 260.906277] __do_softirq+0x30b/0xad8 [ 260.910219] 0 pages cma reserved [ 260.915242] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 260.918781] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.922463] ? pvclock_read_flags+0x160/0x160 [ 260.925875] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.930914] ? lapic_next_event+0x5a/0x90 [ 260.937381] syz-fuzzer cpuset= [ 260.941889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.952096] / [ 260.956259] ? check_preemption_disabled+0x48/0x200 [ 260.959420] mems_allowed=0 [ 260.964946] ? check_preemption_disabled+0x48/0x200 [ 260.979579] ? kvm_clock_read+0x18/0x30 [ 260.983557] ? kvm_sched_clock_read+0x9/0x20 [ 260.987984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.993526] ? check_preemption_disabled+0x48/0x200 [ 260.998560] irq_exit+0x17f/0x1c0 [ 261.002024] smp_apic_timer_interrupt+0x1cb/0x760 [ 261.006867] ? smp_reschedule_interrupt+0x109/0x650 [ 261.011887] ? smp_call_function_single_interrupt+0x650/0x650 [ 261.017774] ? interrupt_entry+0xb5/0xf0 [ 261.021843] ? trace_hardirqs_off_caller+0xbb/0x300 [ 261.026858] ? trace_hardirqs_off_caller+0xbb/0x300 [ 261.031882] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.036726] ? trace_hardirqs_off+0x300/0x300 [ 261.041224] ? trace_hardirqs_off+0x300/0x300 [ 261.045731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.051277] ? check_preemption_disabled+0x48/0x200 [ 261.056299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.061847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.066706] apic_timer_interrupt+0xf/0x20 [ 261.070936] [ 261.073191] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 261.078126] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 261.097033] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 261.104742] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 261.112010] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 261.119284] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 261.126554] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 261.133824] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 261.141140] skb_clone+0x1bb/0x500 [ 261.144687] ? skb_split+0x11e0/0x11e0 [ 261.148594] ? dev_forward_skb+0x4c/0x60 [ 261.152663] ? __bpf_redirect+0x54b/0xb20 [ 261.156816] ? __switch_to_asm+0x34/0x70 [ 261.160884] bpf_clone_redirect+0xb9/0x490 [ 261.165133] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 261.170157] ? __sched_text_start+0x8/0x8 [ 261.174310] ? lockdep_hardirqs_on+0x421/0x5c0 [ 261.178896] ? retint_kernel+0x2d/0x2d [ 261.182791] ? trace_hardirqs_on_caller+0xc0/0x300 [ 261.187729] ? find_held_lock+0x36/0x1c0 [ 261.191810] ? lock_acquire+0x1ed/0x520 [ 261.195787] ? bpf_test_run+0x32e/0x5a0 [ 261.199768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.205307] ? check_preemption_disabled+0x48/0x200 [ 261.210328] ? kasan_check_read+0x11/0x20 [ 261.214482] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.219765] ? rcu_bh_qs+0xc0/0xc0 [ 261.223313] ? preempt_schedule+0x4d/0x60 [ 261.227468] ? ___preempt_schedule+0x16/0x18 [ 261.231886] ? bpf_test_run+0x1c0/0x5a0 [ 261.235876] ? netlink_diag_dump+0x2a0/0x2a0 [ 261.240295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.245830] ? bpf_test_init.isra.9+0x70/0x100 [ 261.250420] ? bpf_prog_test_run_skb+0x634/0xb40 [ 261.255183] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 261.260027] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 261.265571] ? fput+0x130/0x1a0 [ 261.268859] ? __bpf_prog_get+0x9b/0x290 [ 261.272926] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 261.277770] ? bpf_prog_test_run+0x130/0x1a0 [ 261.282190] ? __x64_sys_bpf+0x3d8/0x510 [ 261.286268] ? bpf_prog_get+0x20/0x20 [ 261.290088] ? ksys_ioctl+0x81/0xd0 [ 261.293731] ? do_syscall_64+0x1b9/0x820 [ 261.297800] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 261.303170] ? syscall_return_slowpath+0x5e0/0x5e0 [ 261.308107] ? trace_hardirqs_off+0x300/0x300 [ 261.312607] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 261.317627] ? recalc_sigpending_tsk+0x180/0x180 [ 261.322385] ? kasan_check_write+0x14/0x20 [ 261.326627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.331484] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 261.336868] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 261.336954] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.343791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.343800] Call Trace: [ 261.350379] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.359625] [ 261.362193] syz-executor0 cpuset= [ 261.372669] dump_stack+0x1c4/0x2b4 [ 261.374798] syz0 [ 261.378243] ? dump_stack_print_info.cold.2+0x52/0x52 [ 261.381853] mems_allowed=0 [ 261.383831] warn_alloc.cold.118+0xb7/0x1bd [ 261.396232] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.401085] ? lock_downgrade+0x900/0x900 [ 261.405245] ? trace_hardirqs_off+0xb8/0x300 [ 261.409666] ? trace_hardirqs_off+0xb8/0x300 [ 261.414087] __alloc_pages_slowpath+0x2667/0x2d80 [ 261.418965] ? warn_alloc+0x120/0x120 [ 261.422788] ? warn_alloc+0x120/0x120 [ 261.426612] ? print_usage_bug+0xc0/0xc0 [ 261.430693] ? warn_alloc+0x120/0x120 [ 261.434500] ? print_usage_bug+0xc0/0xc0 [ 261.438565] ? __lock_acquire+0x7ec/0x4ec0 [ 261.442804] ? __lock_acquire+0x7ec/0x4ec0 [ 261.447047] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.452590] ? should_fail+0x22d/0xd01 [ 261.456490] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.461601] ? __lock_acquire+0x7ec/0x4ec0 [ 261.465852] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.470960] ? __lock_acquire+0x7ec/0x4ec0 [ 261.475206] ? should_fail+0x22d/0xd01 [ 261.479112] ? mark_held_locks+0x130/0x130 [ 261.483355] ? mark_held_locks+0x130/0x130 [ 261.487595] ? graph_lock+0x170/0x170 [ 261.491398] ? graph_lock+0x170/0x170 [ 261.495204] ? graph_lock+0x170/0x170 [ 261.499006] ? print_usage_bug+0xc0/0xc0 [ 261.503072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.508615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.514156] ? check_preemption_disabled+0x48/0x200 [ 261.519173] ? check_preemption_disabled+0x48/0x200 [ 261.524205] ? __lock_is_held+0xb5/0x140 [ 261.528294] __alloc_pages_nodemask+0xa80/0xde0 [ 261.532978] ? graph_lock+0x170/0x170 [ 261.536874] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 261.541895] ? graph_lock+0x170/0x170 [ 261.545710] ? find_held_lock+0x36/0x1c0 [ 261.549789] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.554465] ? lock_downgrade+0x900/0x900 [ 261.558627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.564178] cache_grow_begin+0x91/0x8c0 [ 261.568243] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.572667] fallback_alloc+0x203/0x2e0 [ 261.576655] ____cache_alloc_node+0x1c7/0x1e0 [ 261.581158] kmem_cache_alloc_node+0xe3/0x730 [ 261.585659] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.589911] __alloc_skb+0x119/0x770 [ 261.593629] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.598918] ? skb_scrub_packet+0x490/0x490 [ 261.603244] ? lock_downgrade+0x900/0x900 [ 261.607408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.612952] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.618417] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.623870] ? addrconf_rs_timer+0x6f0/0x6f0 [ 261.628306] ndisc_alloc_skb+0x144/0x340 [ 261.632379] ndisc_send_rs+0x331/0x6e0 [ 261.636278] addrconf_rs_timer+0x3c0/0x6f0 [ 261.640523] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.644782] call_timer_fn+0x272/0x920 [ 261.648670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.652908] ? process_timeout+0x40/0x40 [ 261.656982] ? find_held_lock+0x36/0x1c0 [ 261.661055] ? mark_held_locks+0xc7/0x130 [ 261.665212] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.669712] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.674217] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.678457] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 261.683061] ? trace_hardirqs_on+0xbd/0x310 [ 261.687397] ? kasan_check_read+0x11/0x20 [ 261.691553] ? __run_timers+0x7da/0xc70 [ 261.695534] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.700999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.705246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.709484] __run_timers+0x7e5/0xc70 [ 261.713303] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 261.718675] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 261.723697] ? graph_lock+0x170/0x170 [ 261.727507] ? print_usage_bug+0xc0/0xc0 [ 261.731572] ? lock_release+0x970/0x970 [ 261.735552] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 261.740752] ? find_held_lock+0x36/0x1c0 [ 261.744828] ? graph_lock+0x170/0x170 [ 261.748639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.754181] ? check_preemption_disabled+0x48/0x200 [ 261.759213] ? __lock_is_held+0xb5/0x140 [ 261.763281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.768822] ? check_preemption_disabled+0x48/0x200 [ 261.773852] run_timer_softirq+0x52/0xb0 [ 261.777915] ? rcu_read_lock_sched_held+0x108/0x120 [ 261.782938] __do_softirq+0x30b/0xad8 [ 261.786767] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 261.791881] ? pvclock_read_flags+0x160/0x160 [ 261.796380] ? lapic_next_event+0x5a/0x90 [ 261.800534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.806072] ? check_preemption_disabled+0x48/0x200 [ 261.811090] ? check_preemption_disabled+0x48/0x200 [ 261.816119] ? kvm_clock_read+0x18/0x30 [ 261.820098] ? kvm_sched_clock_read+0x9/0x20 [ 261.824516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.830259] ? check_preemption_disabled+0x48/0x200 [ 261.835293] irq_exit+0x17f/0x1c0 [ 261.838764] smp_apic_timer_interrupt+0x1cb/0x760 [ 261.843617] ? smp_call_function_single_interrupt+0x650/0x650 [ 261.849508] ? interrupt_entry+0xb5/0xf0 [ 261.853576] ? trace_hardirqs_off_caller+0xbb/0x300 [ 261.858596] ? trace_hardirqs_off_caller+0xbb/0x300 [ 261.863618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.868479] ? trace_hardirqs_off+0x300/0x300 [ 261.872979] ? trace_hardirqs_off+0x300/0x300 [ 261.877484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.883025] ? check_preemption_disabled+0x48/0x200 [ 261.888042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.893587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.898445] apic_timer_interrupt+0xf/0x20 [ 261.902675] [ 261.904915] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 261.910286] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 261.929193] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 261.936913] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 261.944186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 261.951460] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 261.958731] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 261.966458] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 261.973763] ? page_evictable+0x35d/0x540 [ 261.977923] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 261.983473] page_evictable+0x36b/0x540 [ 261.987458] ? kswapd_stop+0x100/0x100 [ 261.991356] ? ___might_sleep+0x1ed/0x300 [ 261.995505] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.000961] ? arch_local_save_flags+0x40/0x40 [ 262.005561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.011095] ? check_preemption_disabled+0x48/0x200 [ 262.016120] shrink_active_list+0x845/0x1c20 [ 262.020537] ? free_unref_page_list+0xc0f/0x11e0 [ 262.025314] ? shrink_inactive_list+0x1c60/0x1c60 [ 262.030180] ? graph_lock+0x170/0x170 [ 262.033993] ? __page_frag_cache_drain+0x200/0x200 [ 262.038926] ? print_usage_bug+0xc0/0xc0 [ 262.043012] ? find_held_lock+0x36/0x1c0 [ 262.047085] ? graph_lock+0x170/0x170 [ 262.050895] ? mark_held_locks+0xc7/0x130 [ 262.055049] ? check_preemption_disabled+0x48/0x200 [ 262.060069] ? check_preemption_disabled+0x48/0x200 [ 262.065095] ? graph_lock+0x170/0x170 [ 262.068901] ? __lock_is_held+0xb5/0x140 [ 262.072978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.078519] ? check_preemption_disabled+0x48/0x200 [ 262.083552] ? __lock_is_held+0xb5/0x140 [ 262.087634] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.092663] ? inactive_list_is_low+0x305/0x880 [ 262.097345] ? lruvec_lru_size+0x450/0x450 [ 262.101578] ? kasan_check_read+0x11/0x20 [ 262.105739] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 262.110689] shrink_node_memcg+0x803/0x18e0 [ 262.115037] ? shrink_active_list+0x1c20/0x1c20 [ 262.119717] ? lockdep_hardirqs_on+0x421/0x5c0 [ 262.124306] ? trace_hardirqs_on+0xbd/0x310 [ 262.128631] ? vmpressure+0x294/0x310 [ 262.132438] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.137916] shrink_node+0x3bc/0x16b0 [ 262.141726] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 262.147040] ? shrink_node_memcg+0x18e0/0x18e0 [ 262.151627] ? lockdep_hardirqs_on+0x421/0x5c0 [ 262.156217] ? trace_hardirqs_on+0xbd/0x310 [ 262.160550] ? vmpressure+0x294/0x310 [ 262.164362] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.168779] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 262.173377] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 262.178930] ? __cpuset_node_allowed+0x19b/0x660 [ 262.183692] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 262.189420] ? vmpressure+0x1c9/0x310 [ 262.193238] do_try_to_free_pages+0x3e7/0x1290 [ 262.197932] ? shrink_node+0x16b0/0x16b0 [ 262.202011] ? __lock_is_held+0xb5/0x140 [ 262.206094] try_to_free_pages+0x4d0/0xb90 [ 262.210345] ? do_try_to_free_pages+0x1290/0x1290 [ 262.215198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.220760] ? lock_acquire+0x1ed/0x520 [ 262.224750] ? set_page_refcounted+0x280/0x280 [ 262.229355] ? lock_release+0x970/0x970 [ 262.233341] ? ___might_sleep+0x1ed/0x300 [ 262.237500] ? arch_local_save_flags+0x40/0x40 [ 262.242095] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.247119] ? __radix_tree_lookup+0x358/0x4c0 [ 262.251714] __alloc_pages_slowpath+0x993/0x2d80 [ 262.256500] ? kasan_check_read+0x11/0x20 [ 262.260655] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.265935] ? warn_alloc+0x120/0x120 [ 262.269747] ? __radix_tree_lookup+0x4c0/0x4c0 [ 262.274349] ? find_get_entry+0x2f2/0xc40 [ 262.278512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.284057] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 262.288996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.294538] ? should_fail+0x22d/0xd01 [ 262.298432] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.303540] ? __lock_is_held+0xb5/0x140 [ 262.307604] ? graph_lock+0x170/0x170 [ 262.311410] ? graph_lock+0x170/0x170 [ 262.315234] ? __lock_is_held+0xb5/0x140 [ 262.319311] ? __lock_acquire+0x7ec/0x4ec0 [ 262.323557] ? ___might_sleep+0x1ed/0x300 [ 262.327708] ? lock_release+0x970/0x970 [ 262.331691] ? arch_local_save_flags+0x40/0x40 [ 262.336291] ? __might_sleep+0x95/0x190 [ 262.340278] __alloc_pages_nodemask+0xa80/0xde0 [ 262.344986] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 262.350015] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 262.355812] ? kasan_check_read+0x11/0x20 [ 262.359963] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.365256] ? graph_lock+0x170/0x170 [ 262.369065] ? print_usage_bug+0xc0/0xc0 [ 262.373136] ? graph_lock+0x170/0x170 [ 262.376936] ? graph_lock+0x170/0x170 [ 262.380747] ? __do_page_cache_readahead+0x7ce/0x980 [ 262.385867] ? find_held_lock+0x36/0x1c0 [ 262.390033] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 262.395578] alloc_pages_current+0x10c/0x210 [ 262.399998] ? lock_downgrade+0x900/0x900 [ 262.404153] __page_cache_alloc+0x38f/0x5b0 [ 262.408483] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 262.414282] ? kasan_check_read+0x11/0x20 [ 262.418433] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.423714] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 262.428388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.433928] ? check_preemption_disabled+0x48/0x200 [ 262.438953] filemap_fault+0x1594/0x25f0 [ 262.443042] ? __lock_page_or_retry+0xa00/0xa00 [ 262.447716] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 262.453513] ? kasan_check_read+0x11/0x20 [ 262.457668] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.462946] ? rcu_bh_qs+0xc0/0xc0 [ 262.466505] ? print_usage_bug+0xc0/0xc0 [ 262.470578] ? filemap_map_pages+0xdea/0x1980 [ 262.475086] ? print_usage_bug+0xc0/0xc0 [ 262.479159] ? find_get_pages_range_tag+0x1320/0x1320 [ 262.484351] ? print_usage_bug+0xc0/0xc0 [ 262.488413] ? __lock_acquire+0x7ec/0x4ec0 [ 262.492652] ? graph_lock+0x170/0x170 [ 262.496456] ? __sigqueue_free.part.27+0x7d/0xa0 [ 262.501219] ? __lock_acquire+0x7ec/0x4ec0 [ 262.505474] ? lock_acquire+0x1ed/0x520 [ 262.509450] ? ext4_filemap_fault+0x7a/0xad [ 262.513784] ? lock_release+0x970/0x970 [ 262.517769] ? arch_local_save_flags+0x40/0x40 [ 262.522376] ? mark_held_locks+0x130/0x130 [ 262.526633] ? down_read+0xb0/0x1d0 [ 262.530261] ? ext4_filemap_fault+0x7a/0xad [ 262.534588] ? __down_interruptible+0x700/0x700 [ 262.539261] ? graph_lock+0x170/0x170 [ 262.543068] ? __sigqueue_free.part.27+0x7d/0xa0 [ 262.547845] ext4_filemap_fault+0x82/0xad [ 262.552007] __do_fault+0x100/0x6b0 [ 262.555644] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.560933] ? print_bad_pte+0x6c0/0x6c0 [ 262.565022] ? pmd_val+0x88/0x100 [ 262.568495] ? add_mm_counter_fast+0xd0/0xd0 [ 262.572916] ? pmd_val+0x88/0x100 [ 262.576378] ? add_mm_counter_fast+0xd0/0xd0 [ 262.580800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.586351] __handle_mm_fault+0x3709/0x53e0 [ 262.590783] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 262.595642] ? graph_lock+0x170/0x170 [ 262.599463] ? print_usage_bug+0xc0/0xc0 [ 262.603541] ? graph_lock+0x170/0x170 [ 262.607347] ? graph_lock+0x170/0x170 [ 262.611172] ? handle_mm_fault+0x42a/0xc70 [ 262.615414] ? lock_downgrade+0x900/0x900 [ 262.619594] ? check_preemption_disabled+0x48/0x200 [ 262.624620] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 262.630421] ? kasan_check_read+0x11/0x20 [ 262.634571] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.639850] ? rcu_bh_qs+0xc0/0xc0 [ 262.643396] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.648855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.654391] ? check_preemption_disabled+0x48/0x200 [ 262.659422] handle_mm_fault+0x54f/0xc70 [ 262.663492] ? __handle_mm_fault+0x53e0/0x53e0 [ 262.668081] ? find_vma+0x34/0x190 [ 262.671630] __do_page_fault+0x67d/0xed0 [ 262.675704] ? mm_fault_error+0x380/0x380 [ 262.679862] ? syscall_slow_exit_work+0x520/0x520 [ 262.684710] do_page_fault+0xf2/0x7e0 [ 262.688517] ? vmalloc_sync_all+0x30/0x30 [ 262.692671] ? error_entry+0x70/0xd0 [ 262.696394] ? trace_hardirqs_off_caller+0xbb/0x300 [ 262.701411] ? trace_hardirqs_on_caller+0xc0/0x300 [ 262.706352] ? syscall_return_slowpath+0x5e0/0x5e0 [ 262.711285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.716133] ? trace_hardirqs_off+0x300/0x300 [ 262.720631] ? trace_hardirqs_off_caller+0x300/0x300 [ 262.725747] ? prepare_exit_to_usermode+0x291/0x3b0 [ 262.730779] ? page_fault+0x8/0x30 [ 262.734328] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.739176] ? page_fault+0x8/0x30 [ 262.742721] page_fault+0x1e/0x30 [ 262.746179] RIP: 0033:0x45db60 [ 262.749377] Code: Bad RIP value. [ 262.752739] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 262.758112] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 262.765381] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 262.772652] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 262.779918] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 262.787186] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 262.794491] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 262.794497] warn_alloc_show_mem: 1 callbacks suppressed [ 262.794504] Mem-Info: [ 262.801689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.807057] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 262.807057] active_file:15 inactive_file:16 isolated_file:2 [ 262.807057] unevictable:0 dirty:0 writeback:0 unstable:0 [ 262.807057] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 262.807057] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 262.807057] free:13788 free_pcp:262 free_cma:0 [ 262.809430] Call Trace: [ 262.818821] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 262.851695] [ 262.854271] Node 0 [ 262.881947] dump_stack+0x1c4/0x2b4 [ 262.884093] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 262.886301] ? dump_stack_print_info.cold.2+0x52/0x52 [ 262.889903] lowmem_reserve[]: [ 262.915429] warn_alloc.cold.118+0xb7/0x1bd [ 262.920604] 0 [ 262.923703] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.927998] 2815 [ 262.929801] ? lock_downgrade+0x900/0x900 [ 262.934608] 6318 6318 [ 262.936677] ? trace_hardirqs_off+0xb8/0x300 [ 262.943294] ? trace_hardirqs_off+0xb8/0x300 [ 262.947680] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 262.952115] __alloc_pages_slowpath+0x2667/0x2d80 [ 262.952158] ? warn_alloc+0x120/0x120 [ 262.979696] lowmem_reserve[]: 0 [ 262.984557] ? trace_hardirqs_on+0x310/0x310 [ 262.988339] 0 [ 262.991616] ? warn_alloc+0x120/0x120 [ 262.996003] 3503 [ 262.997806] ? print_usage_bug+0xc0/0xc0 [ 263.001579] 3503 [ 263.003633] ? warn_alloc+0x120/0x120 [ 263.009786] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 263.013562] Node 0 [ 263.018568] ? print_usage_bug+0xc0/0xc0 [ 263.018600] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 263.018608] lowmem_reserve[]: [ 263.020838] ? __lock_acquire+0x7ec/0x4ec0 [ 263.024875] 0 [ 263.053241] ? __lock_acquire+0x7ec/0x4ec0 [ 263.056321] 0 [ 263.060553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.062333] 0 [ 263.066564] ? should_fail+0x22d/0xd01 [ 263.068343] 0 [ 263.073877] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.079533] ? __lock_acquire+0x7ec/0x4ec0 [ 263.081312] Node 0 [ 263.086407] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.090617] DMA: [ 263.092845] ? __lock_acquire+0x7ec/0x4ec0 [ 263.097925] 1*4kB [ 263.099991] ? should_fail+0x22d/0xd01 [ 263.104203] (U) [ 263.106349] ? print_usage_bug+0xc0/0xc0 [ 263.110213] 0*8kB [ 263.112190] ? mark_held_locks+0x130/0x130 [ 263.116220] 0*16kB [ 263.118360] ? mark_held_locks+0x130/0x130 [ 263.122570] 1*32kB [ 263.124803] ? graph_lock+0x170/0x170 [ 263.129011] (U) [ 263.131242] ? print_usage_bug+0xc0/0xc0 [ 263.135020] 2*64kB [ 263.136998] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 263.141050] (U) [ 263.143290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.148017] 1*128kB [ 263.149999] ? check_preemption_disabled+0x48/0x200 [ 263.155514] (U) [ 263.157832] ? check_preemption_disabled+0x48/0x200 [ 263.162817] 1*256kB (U) [ 263.164808] ? __lock_is_held+0xb5/0x140 [ 263.169792] 0*512kB [ 263.172463] __alloc_pages_nodemask+0xa80/0xde0 [ 263.176498] 1*1024kB [ 263.178815] ? graph_lock+0x170/0x170 [ 263.183459] (U) [ 263.185867] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.189634] 1*2048kB (M) [ 263.191615] ? graph_lock+0x170/0x170 [ 263.196608] 3*4096kB [ 263.199369] ? find_held_lock+0x36/0x1c0 [ 263.203137] (M) [ 263.205553] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.209587] = 15908kB [ 263.211559] ? lock_downgrade+0x900/0x900 [ 263.216203] Node 0 [ 263.218613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.222730] DMA32: 3*4kB [ 263.224995] cache_grow_begin+0x91/0x8c0 [ 263.230495] (M) [ 263.233252] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.237284] 2*8kB [ 263.239261] fallback_alloc+0x203/0x2e0 [ 263.243626] (M) 1*16kB [ 263.245809] ____cache_alloc_node+0x1c7/0x1e0 [ 263.249760] (M) [ 263.252334] kmem_cache_alloc_node+0xe3/0x730 [ 263.256806] 1*32kB [ 263.258774] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.258799] __alloc_skb+0x119/0x770 [ 263.263257] (M) 3*64kB [ 263.265503] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.269701] (UM) 3*128kB [ 263.273420] ? skb_scrub_packet+0x490/0x490 [ 263.275978] (M) 2*256kB [ 263.281271] ? lock_downgrade+0x900/0x900 [ 263.283998] (M) [ 263.288326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.290967] 3*512kB [ 263.295118] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.297070] (M) [ 263.302625] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.304921] 4*1024kB [ 263.310373] ? addrconf_rs_timer+0x6f0/0x6f0 [ 263.312317] (UM) [ 263.317774] ndisc_alloc_skb+0x144/0x340 [ 263.320156] 3*2048kB [ 263.324559] ndisc_send_rs+0x331/0x6e0 [ 263.326590] (UM) [ 263.330650] addrconf_rs_timer+0x3c0/0x6f0 [ 263.333030] 3*4096kB [ 263.336916] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.338952] (M) [ 263.343222] call_timer_fn+0x272/0x920 [ 263.345597] = 25228kB [ 263.349827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.351777] Node 0 [ 263.355663] ? process_timeout+0x40/0x40 [ 263.358044] Normal: [ 263.362274] ? find_held_lock+0x36/0x1c0 [ 263.364488] 866*4kB [ 263.368551] ? __run_timers+0x7da/0xc70 [ 263.370859] (ME) [ 263.374918] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.377207] 469*8kB (UME) [ 263.381199] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.383242] 197*16kB [ 263.387738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.390554] (UME) [ 263.395055] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 263.397436] 59*32kB [ 263.401670] ? trace_hardirqs_on+0xbd/0x310 [ 263.403791] (UME) [ 263.408370] ? kasan_check_read+0x11/0x20 [ 263.410662] 18*64kB (ME) [ 263.415001] ? __run_timers+0x7da/0xc70 [ 263.417120] 3*128kB [ 263.421265] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.423996] (M) [ 263.427986] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.430283] 1*256kB [ 263.435726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.437672] (U) [ 263.441905] __run_timers+0x7e5/0xc70 [ 263.444203] 0*512kB [ 263.448442] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 263.450394] 0*1024kB [ 263.454195] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 263.456488] 0*2048kB [ 263.461846] ? graph_lock+0x170/0x170 [ 263.464233] 0*4096kB [ 263.469273] ? enqueue_hrtimer+0x1a5/0x560 [ 263.471653] = 14048kB [ 263.475453] ? lock_release+0x970/0x970 [ 263.477843] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 263.482063] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 263.484455] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 263.488423] ? find_held_lock+0x36/0x1c0 [ 263.497231] 412 total pagecache pages [ 263.502419] ? graph_lock+0x170/0x170 [ 263.510983] 0 pages in swap cache [ 263.515037] ? pvclock_read_flags+0x160/0x160 [ 263.518810] Swap cache stats: add 0, delete 0, find 0/0 [ 263.522606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.526036] Free swap = 0kB [ 263.530525] ? check_preemption_disabled+0x48/0x200 [ 263.535860] Total swap = 0kB [ 263.541398] ? __lock_is_held+0xb5/0x140 [ 263.544387] 1965979 pages RAM [ 263.549395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.552384] 0 pages HighMem/MovableOnly [ 263.552393] 343323 pages reserved [ 263.556447] ? check_preemption_disabled+0x48/0x200 [ 263.559529] 0 pages cma reserved [ 263.565069] run_timer_softirq+0x52/0xb0 [ 263.569107] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.572461] ? rcu_read_lock_sched_held+0x108/0x120 [ 263.577547] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.580818] __do_softirq+0x30b/0xad8 [ 263.584854] syz-fuzzer cpuset= [ 263.591348] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 263.596334] / [ 263.606557] ? pvclock_read_flags+0x160/0x160 [ 263.610333] mems_allowed=0 [ 263.613513] ? lapic_next_event+0x5a/0x90 [ 263.631843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.637826] ? check_preemption_disabled+0x48/0x200 [ 263.642841] ? check_preemption_disabled+0x48/0x200 [ 263.647868] ? kvm_clock_read+0x18/0x30 [ 263.651848] ? kvm_sched_clock_read+0x9/0x20 [ 263.656311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.661853] ? check_preemption_disabled+0x48/0x200 [ 263.666890] irq_exit+0x17f/0x1c0 [ 263.670360] smp_apic_timer_interrupt+0x1cb/0x760 [ 263.675217] ? smp_reschedule_interrupt+0x109/0x650 [ 263.680248] ? smp_call_function_single_interrupt+0x650/0x650 [ 263.686145] ? interrupt_entry+0xb5/0xf0 [ 263.690213] ? trace_hardirqs_off_caller+0xbb/0x300 [ 263.695228] ? trace_hardirqs_off_caller+0xbb/0x300 [ 263.700266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.705130] ? trace_hardirqs_off+0x300/0x300 [ 263.709629] ? trace_hardirqs_off+0x300/0x300 [ 263.714133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.719684] ? check_preemption_disabled+0x48/0x200 [ 263.724714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.730280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.735143] apic_timer_interrupt+0xf/0x20 [ 263.739376] [ 263.741622] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 263.746554] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 263.765468] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 263.773189] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 263.780463] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 263.787736] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 263.795009] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 263.802280] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 263.809602] skb_clone+0x1bb/0x500 [ 263.813150] ? skb_split+0x11e0/0x11e0 [ 263.817050] ? dev_forward_skb+0x4c/0x60 [ 263.821119] ? __bpf_redirect+0x54b/0xb20 [ 263.825278] ? __switch_to_asm+0x34/0x70 [ 263.829857] bpf_clone_redirect+0xb9/0x490 [ 263.834108] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 263.839137] ? __sched_text_start+0x8/0x8 [ 263.843302] ? lockdep_hardirqs_on+0x421/0x5c0 [ 263.847889] ? retint_kernel+0x2d/0x2d [ 263.851786] ? trace_hardirqs_on_caller+0xc0/0x300 [ 263.856739] ? find_held_lock+0x36/0x1c0 [ 263.860824] ? lock_acquire+0x1ed/0x520 [ 263.864805] ? bpf_test_run+0x32e/0x5a0 [ 263.868787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.874332] ? check_preemption_disabled+0x48/0x200 [ 263.879384] ? kasan_check_read+0x11/0x20 [ 263.883541] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.888827] ? rcu_bh_qs+0xc0/0xc0 [ 263.892376] ? preempt_schedule+0x4d/0x60 [ 263.896529] ? ___preempt_schedule+0x16/0x18 [ 263.900952] ? bpf_test_run+0x1c0/0x5a0 [ 263.904956] ? netlink_diag_dump+0x2a0/0x2a0 [ 263.909385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.914922] ? bpf_test_init.isra.9+0x70/0x100 [ 263.919516] ? bpf_prog_test_run_skb+0x634/0xb40 [ 263.924286] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 263.929134] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 263.934671] ? fput+0x130/0x1a0 [ 263.937955] ? __bpf_prog_get+0x9b/0x290 [ 263.942028] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 263.946874] ? bpf_prog_test_run+0x130/0x1a0 [ 263.951293] ? __x64_sys_bpf+0x3d8/0x510 [ 263.955367] ? bpf_prog_get+0x20/0x20 [ 263.959195] ? ksys_ioctl+0x81/0xd0 [ 263.963057] ? do_syscall_64+0x1b9/0x820 [ 263.967126] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 263.972493] ? syscall_return_slowpath+0x5e0/0x5e0 [ 263.977432] ? trace_hardirqs_off+0x300/0x300 [ 263.981931] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 263.986951] ? recalc_sigpending_tsk+0x180/0x180 [ 263.991715] ? kasan_check_write+0x14/0x20 [ 263.995958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.000820] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 264.006204] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 264.006336] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.013134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.013140] Call Trace: [ 264.013147] [ 264.013165] dump_stack+0x1c4/0x2b4 [ 264.013182] ? dump_stack_print_info.cold.2+0x52/0x52 [ 264.013209] warn_alloc.cold.118+0xb7/0x1bd [ 264.019776] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.029038] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.031596] syz-executor0 cpuset= [ 264.033745] ? lock_downgrade+0x900/0x900 [ 264.037346] syz0 [ 264.042533] ? trace_hardirqs_off+0xb8/0x300 [ 264.046832] mems_allowed=0 [ 264.057310] ? trace_hardirqs_off+0xb8/0x300 [ 264.083378] __alloc_pages_slowpath+0x2667/0x2d80 [ 264.088257] ? warn_alloc+0x120/0x120 [ 264.092069] ? trace_hardirqs_on+0x310/0x310 [ 264.096481] ? warn_alloc+0x120/0x120 [ 264.100290] ? print_usage_bug+0xc0/0xc0 [ 264.104356] ? warn_alloc+0x120/0x120 [ 264.108162] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 264.113182] ? print_usage_bug+0xc0/0xc0 [ 264.117251] ? __lock_acquire+0x7ec/0x4ec0 [ 264.121490] ? __lock_acquire+0x7ec/0x4ec0 [ 264.125732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.131277] ? should_fail+0x22d/0xd01 [ 264.135172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.140276] ? __lock_acquire+0x7ec/0x4ec0 [ 264.144520] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.149627] ? __lock_acquire+0x7ec/0x4ec0 [ 264.153868] ? should_fail+0x22d/0xd01 [ 264.157763] ? print_usage_bug+0xc0/0xc0 [ 264.161839] ? mark_held_locks+0x130/0x130 [ 264.166082] ? mark_held_locks+0x130/0x130 [ 264.170325] ? graph_lock+0x170/0x170 [ 264.174129] ? print_usage_bug+0xc0/0xc0 [ 264.178193] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.182952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.188500] ? check_preemption_disabled+0x48/0x200 [ 264.193513] ? check_preemption_disabled+0x48/0x200 [ 264.198546] ? __lock_is_held+0xb5/0x140 [ 264.202633] __alloc_pages_nodemask+0xa80/0xde0 [ 264.207311] ? graph_lock+0x170/0x170 [ 264.211118] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 264.216131] ? graph_lock+0x170/0x170 [ 264.219948] ? find_held_lock+0x36/0x1c0 [ 264.224031] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.228703] ? lock_downgrade+0x900/0x900 [ 264.232866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.238414] cache_grow_begin+0x91/0x8c0 [ 264.242480] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.246900] fallback_alloc+0x203/0x2e0 [ 264.250887] ____cache_alloc_node+0x1c7/0x1e0 [ 264.255393] kmem_cache_alloc_node+0xe3/0x730 [ 264.259892] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.264144] __alloc_skb+0x119/0x770 [ 264.267863] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.273148] ? skb_scrub_packet+0x490/0x490 [ 264.277471] ? lock_downgrade+0x900/0x900 [ 264.281632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.287177] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.292639] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.298096] ? addrconf_rs_timer+0x6f0/0x6f0 [ 264.302522] ndisc_alloc_skb+0x144/0x340 [ 264.306592] ndisc_send_rs+0x331/0x6e0 [ 264.310487] addrconf_rs_timer+0x3c0/0x6f0 [ 264.314732] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.318998] call_timer_fn+0x272/0x920 [ 264.322895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.327135] ? process_timeout+0x40/0x40 [ 264.331458] ? find_held_lock+0x36/0x1c0 [ 264.335527] ? mark_held_locks+0xc7/0x130 [ 264.339681] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.344179] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.348675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.352914] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 264.357502] ? trace_hardirqs_on+0xbd/0x310 [ 264.361826] ? kasan_check_read+0x11/0x20 [ 264.365989] ? __run_timers+0x7da/0xc70 [ 264.369981] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.375441] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.379683] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.383924] __run_timers+0x7e5/0xc70 [ 264.387745] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 264.393127] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 264.398149] ? graph_lock+0x170/0x170 [ 264.401958] ? print_usage_bug+0xc0/0xc0 [ 264.406031] ? lock_release+0x970/0x970 [ 264.410014] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 264.415213] ? find_held_lock+0x36/0x1c0 [ 264.419283] ? graph_lock+0x170/0x170 [ 264.423093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.428638] ? check_preemption_disabled+0x48/0x200 [ 264.433669] ? __lock_is_held+0xb5/0x140 [ 264.437734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.443281] ? check_preemption_disabled+0x48/0x200 [ 264.448309] run_timer_softirq+0x52/0xb0 [ 264.452374] ? rcu_read_lock_sched_held+0x108/0x120 [ 264.457401] __do_softirq+0x30b/0xad8 [ 264.461217] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 264.466335] ? pvclock_read_flags+0x160/0x160 [ 264.470841] ? lapic_next_event+0x5a/0x90 [ 264.475001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.480547] ? check_preemption_disabled+0x48/0x200 [ 264.485562] ? check_preemption_disabled+0x48/0x200 [ 264.490588] ? kvm_clock_read+0x18/0x30 [ 264.494567] ? kvm_sched_clock_read+0x9/0x20 [ 264.498993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.504534] ? check_preemption_disabled+0x48/0x200 [ 264.509586] irq_exit+0x17f/0x1c0 [ 264.513067] smp_apic_timer_interrupt+0x1cb/0x760 [ 264.517920] ? smp_call_function_single_interrupt+0x650/0x650 [ 264.523806] ? interrupt_entry+0xb5/0xf0 [ 264.527871] ? trace_hardirqs_off_caller+0xbb/0x300 [ 264.532886] ? trace_hardirqs_off_caller+0xbb/0x300 [ 264.537907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.542753] ? trace_hardirqs_off+0x300/0x300 [ 264.547259] ? trace_hardirqs_off+0x300/0x300 [ 264.551764] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.557306] ? check_preemption_disabled+0x48/0x200 [ 264.562325] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.567873] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.572731] apic_timer_interrupt+0xf/0x20 [ 264.576964] [ 264.579216] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 264.584584] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 264.603486] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 264.611203] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 264.618474] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 264.625763] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 264.633031] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 264.640303] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 264.647601] ? page_evictable+0x35d/0x540 [ 264.651771] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 264.657315] page_evictable+0x36b/0x540 [ 264.661295] ? kswapd_stop+0x100/0x100 [ 264.665191] ? ___might_sleep+0x1ed/0x300 [ 264.669344] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.674802] ? arch_local_save_flags+0x40/0x40 [ 264.679389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.684925] ? check_preemption_disabled+0x48/0x200 [ 264.689951] shrink_active_list+0x845/0x1c20 [ 264.694375] ? free_unref_page_list+0xc0f/0x11e0 [ 264.699149] ? shrink_inactive_list+0x1c60/0x1c60 [ 264.704017] ? graph_lock+0x170/0x170 [ 264.707821] ? __page_frag_cache_drain+0x200/0x200 [ 264.712761] ? print_usage_bug+0xc0/0xc0 [ 264.716845] ? find_held_lock+0x36/0x1c0 [ 264.720918] ? graph_lock+0x170/0x170 [ 264.724727] ? mark_held_locks+0xc7/0x130 [ 264.728887] ? check_preemption_disabled+0x48/0x200 [ 264.733901] ? check_preemption_disabled+0x48/0x200 [ 264.738939] ? graph_lock+0x170/0x170 [ 264.742752] ? __lock_is_held+0xb5/0x140 [ 264.746828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.752371] ? check_preemption_disabled+0x48/0x200 [ 264.757404] ? __lock_is_held+0xb5/0x140 [ 264.761494] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 264.766519] ? inactive_list_is_low+0x305/0x880 [ 264.771202] ? lruvec_lru_size+0x450/0x450 [ 264.775442] ? kasan_check_read+0x11/0x20 [ 264.779607] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 264.784559] shrink_node_memcg+0x803/0x18e0 [ 264.788904] ? shrink_active_list+0x1c20/0x1c20 [ 264.793586] ? lockdep_hardirqs_on+0x421/0x5c0 [ 264.798185] ? trace_hardirqs_on+0xbd/0x310 [ 264.802519] ? vmpressure+0x294/0x310 [ 264.806324] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.811820] shrink_node+0x3bc/0x16b0 [ 264.815633] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 264.820939] ? shrink_node_memcg+0x18e0/0x18e0 [ 264.825545] ? lockdep_hardirqs_on+0x421/0x5c0 [ 264.830134] ? trace_hardirqs_on+0xbd/0x310 [ 264.834463] ? vmpressure+0x294/0x310 [ 264.838271] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.842702] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 264.847299] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 264.852854] ? __cpuset_node_allowed+0x19b/0x660 [ 264.857618] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 264.863338] ? vmpressure+0x1c9/0x310 [ 264.867157] do_try_to_free_pages+0x3e7/0x1290 [ 264.871766] ? shrink_node+0x16b0/0x16b0 [ 264.875833] ? __lock_is_held+0xb5/0x140 [ 264.879914] try_to_free_pages+0x4d0/0xb90 [ 264.884157] ? do_try_to_free_pages+0x1290/0x1290 [ 264.889007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.894556] ? lock_acquire+0x1ed/0x520 [ 264.898536] ? set_page_refcounted+0x280/0x280 [ 264.903131] ? lock_release+0x970/0x970 [ 264.907117] ? ___might_sleep+0x1ed/0x300 [ 264.911269] ? arch_local_save_flags+0x40/0x40 [ 264.915859] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 264.920879] ? __radix_tree_lookup+0x358/0x4c0 [ 264.925474] __alloc_pages_slowpath+0x993/0x2d80 [ 264.930260] ? kasan_check_read+0x11/0x20 [ 264.934418] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.939703] ? warn_alloc+0x120/0x120 [ 264.943509] ? __radix_tree_lookup+0x4c0/0x4c0 [ 264.948106] ? find_get_entry+0x2f2/0xc40 [ 264.952267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.957809] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 264.962749] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.968299] ? should_fail+0x22d/0xd01 [ 264.972193] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.977307] ? __lock_is_held+0xb5/0x140 [ 264.981375] ? graph_lock+0x170/0x170 [ 264.985191] ? graph_lock+0x170/0x170 [ 264.989022] ? __lock_is_held+0xb5/0x140 [ 264.993097] ? __lock_acquire+0x7ec/0x4ec0 [ 264.997342] ? ___might_sleep+0x1ed/0x300 [ 265.001492] ? lock_release+0x970/0x970 [ 265.005474] ? arch_local_save_flags+0x40/0x40 [ 265.010070] ? __might_sleep+0x95/0x190 [ 265.014057] __alloc_pages_nodemask+0xa80/0xde0 [ 265.018738] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 265.023769] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 265.029573] ? kasan_check_read+0x11/0x20 [ 265.033760] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.039060] ? graph_lock+0x170/0x170 [ 265.042862] ? print_usage_bug+0xc0/0xc0 [ 265.046932] ? graph_lock+0x170/0x170 [ 265.050735] ? graph_lock+0x170/0x170 [ 265.054546] ? __do_page_cache_readahead+0x7ce/0x980 [ 265.059658] ? find_held_lock+0x36/0x1c0 [ 265.063728] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 265.069281] alloc_pages_current+0x10c/0x210 [ 265.073693] ? lock_downgrade+0x900/0x900 [ 265.077846] __page_cache_alloc+0x38f/0x5b0 [ 265.082175] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 265.087981] ? kasan_check_read+0x11/0x20 [ 265.092136] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.097417] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 265.102092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.107633] ? check_preemption_disabled+0x48/0x200 [ 265.112661] filemap_fault+0x1594/0x25f0 [ 265.116740] ? __lock_page_or_retry+0xa00/0xa00 [ 265.121433] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 265.127234] ? kasan_check_read+0x11/0x20 [ 265.131389] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.136670] ? rcu_bh_qs+0xc0/0xc0 [ 265.140224] ? print_usage_bug+0xc0/0xc0 [ 265.144303] ? filemap_map_pages+0xdea/0x1980 [ 265.148813] ? print_usage_bug+0xc0/0xc0 [ 265.152892] ? find_get_pages_range_tag+0x1320/0x1320 [ 265.158091] ? print_usage_bug+0xc0/0xc0 [ 265.162154] ? __lock_acquire+0x7ec/0x4ec0 [ 265.166395] ? graph_lock+0x170/0x170 [ 265.170206] ? __sigqueue_free.part.27+0x7d/0xa0 [ 265.174985] ? __lock_acquire+0x7ec/0x4ec0 [ 265.179243] ? lock_acquire+0x1ed/0x520 [ 265.183224] ? ext4_filemap_fault+0x7a/0xad [ 265.187555] ? lock_release+0x970/0x970 [ 265.191530] ? arch_local_save_flags+0x40/0x40 [ 265.196118] ? mark_held_locks+0x130/0x130 [ 265.200370] ? down_read+0xb0/0x1d0 [ 265.204005] ? ext4_filemap_fault+0x7a/0xad [ 265.208328] ? __down_interruptible+0x700/0x700 [ 265.213008] ? graph_lock+0x170/0x170 [ 265.216811] ? __sigqueue_free.part.27+0x7d/0xa0 [ 265.221583] ext4_filemap_fault+0x82/0xad [ 265.225740] __do_fault+0x100/0x6b0 [ 265.229380] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.234661] ? print_bad_pte+0x6c0/0x6c0 [ 265.238731] ? pmd_val+0x88/0x100 [ 265.242190] ? add_mm_counter_fast+0xd0/0xd0 [ 265.246602] ? pmd_val+0x88/0x100 [ 265.250061] ? add_mm_counter_fast+0xd0/0xd0 [ 265.254480] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.260027] __handle_mm_fault+0x3709/0x53e0 [ 265.264451] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 265.269299] ? graph_lock+0x170/0x170 [ 265.273107] ? print_usage_bug+0xc0/0xc0 [ 265.277173] ? graph_lock+0x170/0x170 [ 265.280982] ? graph_lock+0x170/0x170 [ 265.284805] ? handle_mm_fault+0x42a/0xc70 [ 265.289047] ? lock_downgrade+0x900/0x900 [ 265.293194] ? check_preemption_disabled+0x48/0x200 [ 265.298221] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 265.304021] ? kasan_check_read+0x11/0x20 [ 265.308174] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.313456] ? rcu_bh_qs+0xc0/0xc0 [ 265.317008] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.322462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.328007] ? check_preemption_disabled+0x48/0x200 [ 265.333039] handle_mm_fault+0x54f/0xc70 [ 265.337110] ? __handle_mm_fault+0x53e0/0x53e0 [ 265.341697] ? find_vma+0x34/0x190 [ 265.345249] __do_page_fault+0x67d/0xed0 [ 265.349325] ? mm_fault_error+0x380/0x380 [ 265.353485] ? syscall_slow_exit_work+0x520/0x520 [ 265.358344] do_page_fault+0xf2/0x7e0 [ 265.362154] ? vmalloc_sync_all+0x30/0x30 [ 265.366309] ? error_entry+0x70/0xd0 [ 265.370029] ? trace_hardirqs_off_caller+0xbb/0x300 [ 265.375048] ? trace_hardirqs_on_caller+0xc0/0x300 [ 265.379987] ? syscall_return_slowpath+0x5e0/0x5e0 [ 265.384921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.389776] ? trace_hardirqs_off+0x300/0x300 [ 265.394277] ? trace_hardirqs_off_caller+0x300/0x300 [ 265.399402] ? prepare_exit_to_usermode+0x291/0x3b0 [ 265.404434] ? page_fault+0x8/0x30 [ 265.407999] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.412857] ? page_fault+0x8/0x30 [ 265.416405] page_fault+0x1e/0x30 [ 265.419860] RIP: 0033:0x45db60 [ 265.423057] Code: Bad RIP value. [ 265.426423] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 265.431790] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 265.439061] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 265.446341] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 265.453616] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 265.460909] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 265.468225] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 265.468231] warn_alloc_show_mem: 1 callbacks suppressed [ 265.468239] Mem-Info: [ 265.475426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.480796] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 265.480796] active_file:15 inactive_file:16 isolated_file:2 [ 265.480796] unevictable:0 dirty:0 writeback:0 unstable:0 [ 265.480796] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 265.480796] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 265.480796] free:13788 free_pcp:262 free_cma:0 [ 265.483167] Call Trace: [ 265.492560] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 265.525409] [ 265.527986] Node 0 [ 265.555658] dump_stack+0x1c4/0x2b4 [ 265.557805] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 265.560042] ? dump_stack_print_info.cold.2+0x52/0x52 [ 265.563645] lowmem_reserve[]: [ 265.589158] warn_alloc.cold.118+0xb7/0x1bd [ 265.594312] 0 [ 265.597412] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.601708] 2815 [ 265.603511] ? lock_downgrade+0x900/0x900 [ 265.608323] 6318 [ 265.610386] ? trace_hardirqs_off+0xb8/0x300 [ 265.614502] 6318 [ 265.616560] ? trace_hardirqs_off+0xb8/0x300 [ 265.623006] __alloc_pages_slowpath+0x2667/0x2d80 [ 265.627385] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 265.632251] ? warn_alloc+0x120/0x120 [ 265.632275] ? trace_hardirqs_on+0x310/0x310 [ 265.659825] lowmem_reserve[]: 0 [ 265.663635] ? warn_alloc+0x120/0x120 [ 265.668008] 0 3503 [ 265.671296] ? print_usage_bug+0xc0/0xc0 [ 265.675063] 3503 [ 265.677300] ? warn_alloc+0x120/0x120 [ 265.681335] Node 0 [ 265.683394] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 265.687195] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 265.689403] ? print_usage_bug+0xc0/0xc0 [ 265.694385] lowmem_reserve[]: 0 [ 265.722786] ? __lock_acquire+0x7ec/0x4ec0 [ 265.726816] 0 [ 265.730093] ? __lock_acquire+0x7ec/0x4ec0 [ 265.734303] 0 [ 265.736106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.740310] 0 [ 265.742112] ? should_fail+0x22d/0xd01 [ 265.749419] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.753279] Node 0 [ 265.758372] ? __lock_acquire+0x7ec/0x4ec0 [ 265.758382] DMA: [ 265.760618] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.764830] 1*4kB [ 265.766888] ? __lock_acquire+0x7ec/0x4ec0 [ 265.771964] (U) [ 265.774115] ? should_fail+0x22d/0xd01 [ 265.778326] 0*8kB [ 265.780300] ? print_usage_bug+0xc0/0xc0 [ 265.784161] 0*16kB [ 265.786312] ? mark_held_locks+0x130/0x130 [ 265.790347] 1*32kB [ 265.792574] ? mark_held_locks+0x130/0x130 [ 265.796785] (U) [ 265.799024] ? graph_lock+0x170/0x170 [ 265.803232] 2*64kB [ 265.805206] ? print_usage_bug+0xc0/0xc0 [ 265.808986] (U) [ 265.811230] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.815267] 1*128kB [ 265.817240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.821966] (U) [ 265.824296] ? check_preemption_disabled+0x48/0x200 [ 265.829991] 1*256kB [ 265.831966] ? check_preemption_disabled+0x48/0x200 [ 265.836964] (U) [ 265.839297] ? __lock_is_held+0xb5/0x140 [ 265.844286] 0*512kB [ 265.846268] __alloc_pages_nodemask+0xa80/0xde0 [ 265.850296] 1*1024kB [ 265.852610] ? graph_lock+0x170/0x170 [ 265.857252] (U) [ 265.859661] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 265.863456] 1*2048kB [ 265.865424] ? graph_lock+0x170/0x170 [ 265.870417] (M) [ 265.872827] ? find_held_lock+0x36/0x1c0 [ 265.876595] 3*4096kB [ 265.878568] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.882595] (M) [ 265.885009] ? lock_downgrade+0x900/0x900 [ 265.889655] = 15908kB [ 265.891629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.895746] Node 0 [ 265.898156] cache_grow_begin+0x91/0x8c0 [ 265.903663] DMA32: [ 265.905894] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.909929] 3*4kB [ 265.912164] fallback_alloc+0x203/0x2e0 [ 265.916546] (M) [ 265.918692] ____cache_alloc_node+0x1c7/0x1e0 [ 265.922632] 2*8kB (M) [ 265.924612] kmem_cache_alloc_node+0xe3/0x730 [ 265.929079] 1*16kB [ 265.931572] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.936037] (M) [ 265.938281] __alloc_skb+0x119/0x770 [ 265.942481] 1*32kB [ 265.944456] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.948137] (M) [ 265.950368] ? skb_scrub_packet+0x490/0x490 [ 265.955612] 3*64kB (UM) [ 265.957593] ? lock_downgrade+0x900/0x900 [ 265.962379] 3*128kB (M) [ 265.965063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.969181] 2*256kB [ 265.971852] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.977357] (M) [ 265.979678] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.985100] 3*512kB [ 265.987074] ? addrconf_rs_timer+0x6f0/0x6f0 [ 265.992493] (M) [ 265.994838] ndisc_alloc_skb+0x144/0x340 [ 265.999213] 4*1024kB [ 266.001187] ndisc_send_rs+0x331/0x6e0 [ 266.005223] (UM) [ 266.007638] addrconf_rs_timer+0x3c0/0x6f0 [ 266.012154] 3*2048kB [ 266.014213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.018421] (UM) [ 266.020838] call_timer_fn+0x272/0x920 [ 266.025048] 3*4096kB [ 266.027116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.030969] (M) [ 266.033389] ? process_timeout+0x40/0x40 [ 266.037593] = 25228kB [ 266.039586] ? find_held_lock+0x36/0x1c0 [ 266.043619] Node 0 [ 266.046030] ? __run_timers+0x7da/0xc70 [ 266.050052] Normal: 866*4kB [ 266.052301] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.056244] (ME) [ 266.059265] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.063739] 469*8kB [ 266.065808] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.070270] (UME) [ 266.072589] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 266.076801] 197*16kB [ 266.078950] ? trace_hardirqs_on+0xbd/0x310 [ 266.083501] (UME) [ 266.086004] ? kasan_check_read+0x11/0x20 [ 266.090308] 59*32kB [ 266.092461] ? __run_timers+0x7da/0xc70 [ 266.096575] (UME) [ 266.098905] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.102849] 18*64kB [ 266.105016] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.110431] (ME) [ 266.112752] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.116967] 3*128kB [ 266.119037] __run_timers+0x7e5/0xc70 [ 266.123238] (M) [ 266.125569] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 266.129339] 1*256kB [ 266.131310] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 266.136642] (U) [ 266.138961] ? graph_lock+0x170/0x170 [ 266.143959] 0*512kB [ 266.145933] ? enqueue_hrtimer+0x1a5/0x560 [ 266.149711] 0*1024kB [ 266.152027] ? lock_release+0x970/0x970 [ 266.156238] 0*2048kB [ 266.158646] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 266.162596] 0*4096kB [ 266.165008] ? find_held_lock+0x36/0x1c0 [ 266.170171] = 14048kB [ 266.173019] ? graph_lock+0x170/0x170 [ 266.177061] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 266.179460] ? pvclock_read_flags+0x160/0x160 [ 266.183240] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 266.192073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.196540] 412 total pagecache pages [ 266.205105] ? check_preemption_disabled+0x48/0x200 [ 266.210630] 0 pages in swap cache [ 266.214419] ? __lock_is_held+0xb5/0x140 [ 266.219408] Swap cache stats: add 0, delete 0, find 0/0 [ 266.222850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.226887] Free swap = 0kB [ 266.232242] ? check_preemption_disabled+0x48/0x200 [ 266.237750] Total swap = 0kB [ 266.237764] 1965979 pages RAM [ 266.240783] run_timer_softirq+0x52/0xb0 [ 266.245765] 0 pages HighMem/MovableOnly [ 266.245774] 343323 pages reserved [ 266.248789] ? rcu_read_lock_sched_held+0x108/0x120 [ 266.251866] 0 pages cma reserved [ 266.255925] __do_softirq+0x30b/0xad8 [ 266.259951] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.263318] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 266.268426] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.271665] ? pvclock_read_flags+0x160/0x160 [ 266.275439] syz-fuzzer cpuset= [ 266.281926] ? lapic_next_event+0x5a/0x90 [ 266.287006] / [ 266.297226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.301696] mems_allowed=0 [ 266.304882] ? check_preemption_disabled+0x48/0x200 [ 266.324145] ? check_preemption_disabled+0x48/0x200 [ 266.329168] ? kvm_clock_read+0x18/0x30 [ 266.333146] ? kvm_sched_clock_read+0x9/0x20 [ 266.337560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.343100] ? check_preemption_disabled+0x48/0x200 [ 266.348130] irq_exit+0x17f/0x1c0 [ 266.351592] smp_apic_timer_interrupt+0x1cb/0x760 [ 266.356433] ? smp_reschedule_interrupt+0x109/0x650 [ 266.361455] ? smp_call_function_single_interrupt+0x650/0x650 [ 266.367342] ? interrupt_entry+0xb5/0xf0 [ 266.371405] ? trace_hardirqs_off_caller+0xbb/0x300 [ 266.376421] ? trace_hardirqs_off_caller+0xbb/0x300 [ 266.381439] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.386287] ? trace_hardirqs_off+0x300/0x300 [ 266.390788] ? trace_hardirqs_off+0x300/0x300 [ 266.395290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.400827] ? check_preemption_disabled+0x48/0x200 [ 266.405843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.411394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.416251] apic_timer_interrupt+0xf/0x20 [ 266.420490] [ 266.422741] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 266.427677] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 266.446599] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 266.454322] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 266.461602] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 266.468882] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 266.476157] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 266.483431] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 266.490747] skb_clone+0x1bb/0x500 [ 266.494296] ? skb_split+0x11e0/0x11e0 [ 266.498193] ? dev_forward_skb+0x4c/0x60 [ 266.502271] ? __bpf_redirect+0x54b/0xb20 [ 266.506422] ? __switch_to_asm+0x34/0x70 [ 266.510490] bpf_clone_redirect+0xb9/0x490 [ 266.514737] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 266.519763] ? __sched_text_start+0x8/0x8 [ 266.524015] ? lockdep_hardirqs_on+0x421/0x5c0 [ 266.528597] ? retint_kernel+0x2d/0x2d [ 266.532492] ? trace_hardirqs_on_caller+0xc0/0x300 [ 266.537428] ? find_held_lock+0x36/0x1c0 [ 266.541498] ? lock_acquire+0x1ed/0x520 [ 266.545477] ? bpf_test_run+0x32e/0x5a0 [ 266.549453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.554997] ? check_preemption_disabled+0x48/0x200 [ 266.560026] ? kasan_check_read+0x11/0x20 [ 266.564180] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.569461] ? rcu_bh_qs+0xc0/0xc0 [ 266.573011] ? preempt_schedule+0x4d/0x60 [ 266.577168] ? ___preempt_schedule+0x16/0x18 [ 266.581590] ? bpf_test_run+0x1c0/0x5a0 [ 266.585576] ? netlink_diag_dump+0x2a0/0x2a0 [ 266.590000] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.595539] ? bpf_test_init.isra.9+0x70/0x100 [ 266.600132] ? bpf_prog_test_run_skb+0x634/0xb40 [ 266.604897] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 266.609740] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 266.615294] ? fput+0x130/0x1a0 [ 266.618582] ? __bpf_prog_get+0x9b/0x290 [ 266.622648] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 266.627494] ? bpf_prog_test_run+0x130/0x1a0 [ 266.631908] ? __x64_sys_bpf+0x3d8/0x510 [ 266.636008] ? bpf_prog_get+0x20/0x20 [ 266.639823] ? ksys_ioctl+0x81/0xd0 [ 266.643463] ? do_syscall_64+0x1b9/0x820 [ 266.647530] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 266.652899] ? syscall_return_slowpath+0x5e0/0x5e0 [ 266.657837] ? trace_hardirqs_off+0x300/0x300 [ 266.662336] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 266.667385] ? recalc_sigpending_tsk+0x180/0x180 [ 266.672144] ? kasan_check_write+0x14/0x20 [ 266.676386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.681241] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 266.686628] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 266.686738] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.693550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.693559] Call Trace: [ 266.700138] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.709383] [ 266.711955] syz-executor0 cpuset= [ 266.722473] dump_stack+0x1c4/0x2b4 [ 266.724597] syz0 [ 266.728045] ? dump_stack_print_info.cold.2+0x52/0x52 [ 266.731649] mems_allowed=0 [ 266.733625] warn_alloc.cold.118+0xb7/0x1bd [ 266.746019] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.750866] ? lock_downgrade+0x900/0x900 [ 266.755030] ? trace_hardirqs_off+0xb8/0x300 [ 266.759446] ? trace_hardirqs_off+0xb8/0x300 [ 266.763869] __alloc_pages_slowpath+0x2667/0x2d80 [ 266.768745] ? warn_alloc+0x120/0x120 [ 266.772561] ? trace_hardirqs_on+0x310/0x310 [ 266.776980] ? warn_alloc+0x120/0x120 [ 266.780799] ? print_usage_bug+0xc0/0xc0 [ 266.784870] ? warn_alloc+0x120/0x120 [ 266.788675] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 266.793693] ? print_usage_bug+0xc0/0xc0 [ 266.797763] ? __lock_acquire+0x7ec/0x4ec0 [ 266.802008] ? __lock_acquire+0x7ec/0x4ec0 [ 266.806251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.811794] ? should_fail+0x22d/0xd01 [ 266.815687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.820793] ? __lock_acquire+0x7ec/0x4ec0 [ 266.825036] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.830141] ? __lock_acquire+0x7ec/0x4ec0 [ 266.834379] ? should_fail+0x22d/0xd01 [ 266.838268] ? print_usage_bug+0xc0/0xc0 [ 266.842344] ? mark_held_locks+0x130/0x130 [ 266.846586] ? mark_held_locks+0x130/0x130 [ 266.850836] ? graph_lock+0x170/0x170 [ 266.854639] ? print_usage_bug+0xc0/0xc0 [ 266.858704] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 266.863484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.869024] ? check_preemption_disabled+0x48/0x200 [ 266.874038] ? check_preemption_disabled+0x48/0x200 [ 266.879067] ? __lock_is_held+0xb5/0x140 [ 266.883139] __alloc_pages_nodemask+0xa80/0xde0 [ 266.887816] ? graph_lock+0x170/0x170 [ 266.891624] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 266.896637] ? graph_lock+0x170/0x170 [ 266.900452] ? find_held_lock+0x36/0x1c0 [ 266.904525] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.909199] ? lock_downgrade+0x900/0x900 [ 266.913365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.918916] cache_grow_begin+0x91/0x8c0 [ 266.922993] ? do_raw_spin_unlock+0xa7/0x2f0 [ 266.927418] fallback_alloc+0x203/0x2e0 [ 266.931416] ____cache_alloc_node+0x1c7/0x1e0 [ 266.935926] kmem_cache_alloc_node+0xe3/0x730 [ 266.940428] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.944675] __alloc_skb+0x119/0x770 [ 266.948402] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.953690] ? skb_scrub_packet+0x490/0x490 [ 266.958021] ? lock_downgrade+0x900/0x900 [ 266.962658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.968205] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.973674] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.979144] ? addrconf_rs_timer+0x6f0/0x6f0 [ 266.983579] ndisc_alloc_skb+0x144/0x340 [ 266.987654] ndisc_send_rs+0x331/0x6e0 [ 266.991555] addrconf_rs_timer+0x3c0/0x6f0 [ 266.995804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.000063] call_timer_fn+0x272/0x920 [ 267.003958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.008209] ? process_timeout+0x40/0x40 [ 267.012274] ? find_held_lock+0x36/0x1c0 [ 267.016351] ? mark_held_locks+0xc7/0x130 [ 267.020508] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.025016] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.029521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.033772] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 267.038364] ? trace_hardirqs_on+0xbd/0x310 [ 267.042688] ? kasan_check_read+0x11/0x20 [ 267.046845] ? __run_timers+0x7da/0xc70 [ 267.050824] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.056301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.060547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.064796] __run_timers+0x7e5/0xc70 [ 267.068624] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 267.074013] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.079046] ? graph_lock+0x170/0x170 [ 267.082862] ? print_usage_bug+0xc0/0xc0 [ 267.086926] ? lock_release+0x970/0x970 [ 267.090909] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 267.096115] ? find_held_lock+0x36/0x1c0 [ 267.100186] ? graph_lock+0x170/0x170 [ 267.104004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.109544] ? check_preemption_disabled+0x48/0x200 [ 267.114574] ? __lock_is_held+0xb5/0x140 [ 267.118641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.124185] ? check_preemption_disabled+0x48/0x200 [ 267.129217] run_timer_softirq+0x52/0xb0 [ 267.133281] ? rcu_read_lock_sched_held+0x108/0x120 [ 267.138303] __do_softirq+0x30b/0xad8 [ 267.142122] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 267.147235] ? pvclock_read_flags+0x160/0x160 [ 267.151738] ? lapic_next_event+0x5a/0x90 [ 267.155898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.161440] ? check_preemption_disabled+0x48/0x200 [ 267.166456] ? check_preemption_disabled+0x48/0x200 [ 267.171482] ? kvm_clock_read+0x18/0x30 [ 267.175460] ? kvm_sched_clock_read+0x9/0x20 [ 267.179871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.185406] ? check_preemption_disabled+0x48/0x200 [ 267.190440] irq_exit+0x17f/0x1c0 [ 267.193907] smp_apic_timer_interrupt+0x1cb/0x760 [ 267.198762] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.204647] ? interrupt_entry+0xb5/0xf0 [ 267.208715] ? trace_hardirqs_off_caller+0xbb/0x300 [ 267.213733] ? trace_hardirqs_off_caller+0xbb/0x300 [ 267.218761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.223607] ? trace_hardirqs_off+0x300/0x300 [ 267.228130] ? trace_hardirqs_off+0x300/0x300 [ 267.232630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.238172] ? check_preemption_disabled+0x48/0x200 [ 267.243190] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.248747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.253610] apic_timer_interrupt+0xf/0x20 [ 267.257840] [ 267.260081] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 267.265452] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 267.284379] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 267.292096] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 267.299377] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 267.306651] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 267.313921] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 267.321206] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 267.328508] ? page_evictable+0x35d/0x540 [ 267.332688] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 267.338262] page_evictable+0x36b/0x540 [ 267.342250] ? kswapd_stop+0x100/0x100 [ 267.346157] ? ___might_sleep+0x1ed/0x300 [ 267.350314] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.355777] ? arch_local_save_flags+0x40/0x40 [ 267.360400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.365950] ? check_preemption_disabled+0x48/0x200 [ 267.371007] shrink_active_list+0x845/0x1c20 [ 267.375433] ? free_unref_page_list+0xc0f/0x11e0 [ 267.380218] ? shrink_inactive_list+0x1c60/0x1c60 [ 267.385098] ? graph_lock+0x170/0x170 [ 267.388913] ? __page_frag_cache_drain+0x200/0x200 [ 267.393849] ? print_usage_bug+0xc0/0xc0 [ 267.397937] ? find_held_lock+0x36/0x1c0 [ 267.402026] ? graph_lock+0x170/0x170 [ 267.405830] ? mark_held_locks+0xc7/0x130 [ 267.410008] ? check_preemption_disabled+0x48/0x200 [ 267.415028] ? check_preemption_disabled+0x48/0x200 [ 267.420056] ? graph_lock+0x170/0x170 [ 267.423860] ? __lock_is_held+0xb5/0x140 [ 267.427927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.433464] ? check_preemption_disabled+0x48/0x200 [ 267.438493] ? __lock_is_held+0xb5/0x140 [ 267.442571] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.447590] ? inactive_list_is_low+0x305/0x880 [ 267.452271] ? lruvec_lru_size+0x450/0x450 [ 267.456507] ? kasan_check_read+0x11/0x20 [ 267.460669] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 267.465615] shrink_node_memcg+0x803/0x18e0 [ 267.469958] ? shrink_active_list+0x1c20/0x1c20 [ 267.474647] ? lockdep_hardirqs_on+0x421/0x5c0 [ 267.479236] ? trace_hardirqs_on+0xbd/0x310 [ 267.483564] ? vmpressure+0x294/0x310 [ 267.487371] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.492850] shrink_node+0x3bc/0x16b0 [ 267.496656] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 267.501962] ? shrink_node_memcg+0x18e0/0x18e0 [ 267.506557] ? lockdep_hardirqs_on+0x421/0x5c0 [ 267.511142] ? trace_hardirqs_on+0xbd/0x310 [ 267.515468] ? vmpressure+0x294/0x310 [ 267.519271] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.523682] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 267.528277] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 267.533817] ? __cpuset_node_allowed+0x19b/0x660 [ 267.538579] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 267.544296] ? vmpressure+0x1c9/0x310 [ 267.548112] do_try_to_free_pages+0x3e7/0x1290 [ 267.552720] ? shrink_node+0x16b0/0x16b0 [ 267.556792] ? __lock_is_held+0xb5/0x140 [ 267.560869] try_to_free_pages+0x4d0/0xb90 [ 267.565116] ? do_try_to_free_pages+0x1290/0x1290 [ 267.569961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.575526] ? lock_acquire+0x1ed/0x520 [ 267.579505] ? set_page_refcounted+0x280/0x280 [ 267.584099] ? lock_release+0x970/0x970 [ 267.588087] ? ___might_sleep+0x1ed/0x300 [ 267.592241] ? arch_local_save_flags+0x40/0x40 [ 267.596826] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.601852] ? __radix_tree_lookup+0x358/0x4c0 [ 267.606443] __alloc_pages_slowpath+0x993/0x2d80 [ 267.611225] ? kasan_check_read+0x11/0x20 [ 267.615380] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.620661] ? warn_alloc+0x120/0x120 [ 267.624464] ? __radix_tree_lookup+0x4c0/0x4c0 [ 267.629065] ? find_get_entry+0x2f2/0xc40 [ 267.633230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.638777] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 267.643712] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.649255] ? should_fail+0x22d/0xd01 [ 267.653153] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.658261] ? __lock_is_held+0xb5/0x140 [ 267.662324] ? graph_lock+0x170/0x170 [ 267.666128] ? graph_lock+0x170/0x170 [ 267.669952] ? __lock_is_held+0xb5/0x140 [ 267.674030] ? __lock_acquire+0x7ec/0x4ec0 [ 267.678274] ? ___might_sleep+0x1ed/0x300 [ 267.682421] ? lock_release+0x970/0x970 [ 267.686400] ? arch_local_save_flags+0x40/0x40 [ 267.691004] ? __might_sleep+0x95/0x190 [ 267.695000] __alloc_pages_nodemask+0xa80/0xde0 [ 267.699688] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 267.704717] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 267.710516] ? kasan_check_read+0x11/0x20 [ 267.714673] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.719969] ? graph_lock+0x170/0x170 [ 267.723800] ? print_usage_bug+0xc0/0xc0 [ 267.727870] ? graph_lock+0x170/0x170 [ 267.731675] ? graph_lock+0x170/0x170 [ 267.735485] ? __do_page_cache_readahead+0x7ce/0x980 [ 267.740604] ? find_held_lock+0x36/0x1c0 [ 267.744681] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 267.750239] alloc_pages_current+0x10c/0x210 [ 267.754659] ? lock_downgrade+0x900/0x900 [ 267.758816] __page_cache_alloc+0x38f/0x5b0 [ 267.763148] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 267.768950] ? kasan_check_read+0x11/0x20 [ 267.773119] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.778408] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 267.783085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.788627] ? check_preemption_disabled+0x48/0x200 [ 267.793655] filemap_fault+0x1594/0x25f0 [ 267.797730] ? __lock_page_or_retry+0xa00/0xa00 [ 267.802411] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 267.808235] ? kasan_check_read+0x11/0x20 [ 267.812391] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.817686] ? rcu_bh_qs+0xc0/0xc0 [ 267.821238] ? print_usage_bug+0xc0/0xc0 [ 267.825312] ? filemap_map_pages+0xdea/0x1980 [ 267.830026] ? print_usage_bug+0xc0/0xc0 [ 267.834102] ? find_get_pages_range_tag+0x1320/0x1320 [ 267.839294] ? print_usage_bug+0xc0/0xc0 [ 267.843359] ? __lock_acquire+0x7ec/0x4ec0 [ 267.847595] ? graph_lock+0x170/0x170 [ 267.851399] ? __sigqueue_free.part.27+0x7d/0xa0 [ 267.856161] ? __lock_acquire+0x7ec/0x4ec0 [ 267.860418] ? lock_acquire+0x1ed/0x520 [ 267.864401] ? ext4_filemap_fault+0x7a/0xad [ 267.868733] ? lock_release+0x970/0x970 [ 267.872726] ? arch_local_save_flags+0x40/0x40 [ 267.877322] ? mark_held_locks+0x130/0x130 [ 267.881579] ? down_read+0xb0/0x1d0 [ 267.885210] ? ext4_filemap_fault+0x7a/0xad [ 267.889537] ? __down_interruptible+0x700/0x700 [ 267.894213] ? graph_lock+0x170/0x170 [ 267.898018] ? __sigqueue_free.part.27+0x7d/0xa0 [ 267.902796] ext4_filemap_fault+0x82/0xad [ 267.906953] __do_fault+0x100/0x6b0 [ 267.910593] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.915874] ? print_bad_pte+0x6c0/0x6c0 [ 267.919944] ? pmd_val+0x88/0x100 [ 267.923412] ? add_mm_counter_fast+0xd0/0xd0 [ 267.927819] ? pmd_val+0x88/0x100 [ 267.931295] ? add_mm_counter_fast+0xd0/0xd0 [ 267.935717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.941271] __handle_mm_fault+0x3709/0x53e0 [ 267.945702] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 267.950557] ? graph_lock+0x170/0x170 [ 267.954367] ? print_usage_bug+0xc0/0xc0 [ 267.958436] ? graph_lock+0x170/0x170 [ 267.962738] ? graph_lock+0x170/0x170 [ 267.966570] ? handle_mm_fault+0x42a/0xc70 [ 267.970809] ? lock_downgrade+0x900/0x900 [ 267.974958] ? check_preemption_disabled+0x48/0x200 [ 267.980005] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 267.985806] ? kasan_check_read+0x11/0x20 [ 267.989964] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.995256] ? rcu_bh_qs+0xc0/0xc0 [ 267.998804] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.004260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.009809] ? check_preemption_disabled+0x48/0x200 [ 268.014849] handle_mm_fault+0x54f/0xc70 [ 268.018928] ? __handle_mm_fault+0x53e0/0x53e0 [ 268.023523] ? find_vma+0x34/0x190 [ 268.027076] __do_page_fault+0x67d/0xed0 [ 268.031154] ? mm_fault_error+0x380/0x380 [ 268.035319] ? syscall_slow_exit_work+0x520/0x520 [ 268.040175] do_page_fault+0xf2/0x7e0 [ 268.044019] ? vmalloc_sync_all+0x30/0x30 [ 268.048175] ? error_entry+0x70/0xd0 [ 268.051894] ? trace_hardirqs_off_caller+0xbb/0x300 [ 268.056914] ? trace_hardirqs_on_caller+0xc0/0x300 [ 268.061856] ? syscall_return_slowpath+0x5e0/0x5e0 [ 268.066803] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.071662] ? trace_hardirqs_off+0x300/0x300 [ 268.076164] ? trace_hardirqs_off_caller+0x300/0x300 [ 268.081281] ? prepare_exit_to_usermode+0x291/0x3b0 [ 268.086305] ? page_fault+0x8/0x30 [ 268.089852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.094706] ? page_fault+0x8/0x30 [ 268.098252] page_fault+0x1e/0x30 [ 268.101712] RIP: 0033:0x45db60 [ 268.104911] Code: Bad RIP value. [ 268.108275] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 268.113642] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 268.120908] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 268.128179] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 268.135447] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 268.142715] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 268.150026] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 268.150031] warn_alloc_show_mem: 1 callbacks suppressed [ 268.150039] Mem-Info: [ 268.157229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.162595] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 268.162595] active_file:15 inactive_file:16 isolated_file:2 [ 268.162595] unevictable:0 dirty:0 writeback:0 unstable:0 [ 268.162595] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 268.162595] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 268.162595] free:13788 free_pcp:262 free_cma:0 [ 268.164969] Call Trace: [ 268.174364] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 268.207210] [ 268.209782] Node 0 [ 268.237459] dump_stack+0x1c4/0x2b4 [ 268.239602] 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 [ 268.241849] ? dump_stack_print_info.cold.2+0x52/0x52 [ 268.245447] lowmem_reserve[]: [ 268.270958] warn_alloc.cold.118+0xb7/0x1bd [ 268.276111] 0 [ 268.279214] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.283508] 2815 6318 [ 268.285316] ? lock_downgrade+0x900/0x900 [ 268.290131] 6318 [ 268.292635] ? trace_hardirqs_off+0xb8/0x300 [ 268.298817] ? trace_hardirqs_off+0xb8/0x300 [ 268.303199] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 268.307633] __alloc_pages_slowpath+0x2667/0x2d80 [ 268.307676] ? warn_alloc+0x120/0x120 [ 268.335221] lowmem_reserve[]: [ 268.340069] ? trace_hardirqs_on+0x310/0x310 [ 268.343846] 0 [ 268.346947] ? warn_alloc+0x120/0x120 [ 268.351330] 0 [ 268.353129] ? print_usage_bug+0xc0/0xc0 [ 268.356894] 3503 3503 [ 268.358699] ? warn_alloc+0x120/0x120 [ 268.365242] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 268.369033] Node 0 [ 268.374051] ? print_usage_bug+0xc0/0xc0 [ 268.374083] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 268.374091] lowmem_reserve[]: [ 268.376322] ? __lock_acquire+0x7ec/0x4ec0 [ 268.380360] 0 [ 268.408752] ? __lock_acquire+0x7ec/0x4ec0 [ 268.411835] 0 [ 268.416070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.417845] 0 [ 268.422074] ? should_fail+0x22d/0xd01 [ 268.423851] 0 [ 268.429415] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.435110] ? __lock_acquire+0x7ec/0x4ec0 [ 268.436886] Node 0 [ 268.441992] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.446201] DMA: [ 268.448435] ? __lock_acquire+0x7ec/0x4ec0 [ 268.453517] 1*4kB [ 268.455575] ? should_fail+0x22d/0xd01 [ 268.459786] (U) [ 268.461931] ? print_usage_bug+0xc0/0xc0 [ 268.465796] 0*8kB [ 268.467774] ? mark_held_locks+0x130/0x130 [ 268.471811] 0*16kB [ 268.473956] ? mark_held_locks+0x130/0x130 [ 268.478160] 1*32kB (U) [ 268.480403] ? graph_lock+0x170/0x170 [ 268.484605] 2*64kB (U) [ 268.487190] ? print_usage_bug+0xc0/0xc0 [ 268.490963] 1*128kB (U) [ 268.493561] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 268.497614] 1*256kB [ 268.500300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.505024] (U) [ 268.507349] ? check_preemption_disabled+0x48/0x200 [ 268.512860] 0*512kB [ 268.514830] ? check_preemption_disabled+0x48/0x200 [ 268.519817] 1*1024kB (U) [ 268.522158] ? __lock_is_held+0xb5/0x140 [ 268.527143] 1*2048kB [ 268.529914] __alloc_pages_nodemask+0xa80/0xde0 [ 268.533942] (M) [ 268.536353] ? graph_lock+0x170/0x170 [ 268.541002] 3*4096kB [ 268.542987] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 268.546763] (M) [ 268.549163] ? graph_lock+0x170/0x170 [ 268.549189] ? find_held_lock+0x36/0x1c0 [ 268.554168] = 15908kB [ 268.554177] Node 0 [ 268.556156] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.559929] DMA32: [ 268.564000] ? lock_downgrade+0x900/0x900 [ 268.566390] 3*4kB [ 268.568637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.573290] (M) [ 268.575551] cache_grow_begin+0x91/0x8c0 [ 268.579656] 2*8kB (M) [ 268.581820] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.587505] 1*16kB [ 268.589495] fallback_alloc+0x203/0x2e0 [ 268.593526] (M) [ 268.596042] ____cache_alloc_node+0x1c7/0x1e0 [ 268.600407] 1*32kB (M) [ 268.602655] kmem_cache_alloc_node+0xe3/0x730 [ 268.606603] 3*64kB [ 268.608577] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.613044] (UM) [ 268.615635] __alloc_skb+0x119/0x770 [ 268.620100] 3*128kB [ 268.622346] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.626550] (M) [ 268.628616] ? skb_scrub_packet+0x490/0x490 [ 268.632301] 2*256kB [ 268.634627] ? lock_downgrade+0x900/0x900 [ 268.639875] (M) [ 268.641856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.646153] 3*512kB [ 268.648487] ? refcount_sub_and_test_checked+0x203/0x310 [ 268.652602] (M) [ 268.654590] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 268.660113] 4*1024kB [ 268.662459] ? addrconf_rs_timer+0x6f0/0x6f0 [ 268.667882] (UM) [ 268.669876] ndisc_alloc_skb+0x144/0x340 [ 268.675296] 3*2048kB [ 268.677734] ndisc_send_rs+0x331/0x6e0 [ 268.682100] (UM) 3*4096kB [ 268.684182] addrconf_rs_timer+0x3c0/0x6f0 [ 268.688214] (M) [ 268.690628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.694491] = 25228kB [ 268.697342] call_timer_fn+0x272/0x920 [ 268.701541] Node 0 [ 268.703523] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.707727] Normal: [ 268.710164] ? process_timeout+0x40/0x40 [ 268.714024] 866*4kB [ 268.716261] ? find_held_lock+0x36/0x1c0 [ 268.720462] (ME) [ 268.722795] ? __run_timers+0x7da/0xc70 [ 268.726824] 469*8kB [ 268.729153] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.733184] (UME) [ 268.735244] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.739193] 197*16kB [ 268.741517] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.745988] (UME) [ 268.748141] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 268.752611] 59*32kB [ 268.755022] ? trace_hardirqs_on+0xbd/0x310 [ 268.759231] (UME) [ 268.761374] ? kasan_check_read+0x11/0x20 [ 268.765932] 18*64kB [ 268.768253] ? __run_timers+0x7da/0xc70 [ 268.772550] (ME) [ 268.774708] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.778822] 3*128kB (M) [ 268.781161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.785103] 1*256kB [ 268.787161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.792586] (U) [ 268.795266] __run_timers+0x7e5/0xc70 [ 268.799467] 0*512kB [ 268.801800] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 268.806009] 0*1024kB [ 268.808001] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 268.811774] 0*2048kB [ 268.814098] ? graph_lock+0x170/0x170 [ 268.819435] 0*4096kB = 14048kB [ 268.821856] ? enqueue_hrtimer+0x1a5/0x560 [ 268.826852] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 268.829251] ? lock_release+0x970/0x970 [ 268.833030] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 268.836214] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 268.840424] 412 total pagecache pages [ 268.849267] ? find_held_lock+0x36/0x1c0 [ 268.853224] 0 pages in swap cache [ 268.861803] ? graph_lock+0x170/0x170 [ 268.866966] Swap cache stats: add 0, delete 0, find 0/0 [ 268.866986] Free swap = 0kB [ 268.870789] ? pvclock_read_flags+0x160/0x160 [ 268.874829] Total swap = 0kB [ 268.878293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.882059] 1965979 pages RAM [ 268.887420] ? check_preemption_disabled+0x48/0x200 [ 268.890406] 0 pages HighMem/MovableOnly [ 268.890415] 343323 pages reserved [ 268.894917] ? __lock_is_held+0xb5/0x140 [ 268.897902] 0 pages cma reserved [ 268.903437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.906589] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.911519] ? check_preemption_disabled+0x48/0x200 [ 268.911541] run_timer_softirq+0x52/0xb0 [ 268.911557] ? rcu_read_lock_sched_held+0x108/0x120 [ 268.911578] __do_softirq+0x30b/0xad8 [ 268.915604] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.918997] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 268.923032] syz-fuzzer cpuset= [ 268.926396] ? pvclock_read_flags+0x160/0x160 [ 268.931908] / [ 268.938398] ? lapic_next_event+0x5a/0x90 [ 268.943478] mems_allowed=0 [ 268.947536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.993591] ? check_preemption_disabled+0x48/0x200 [ 268.998612] ? check_preemption_disabled+0x48/0x200 [ 269.003649] ? kvm_clock_read+0x18/0x30 [ 269.007645] ? kvm_sched_clock_read+0x9/0x20 [ 269.012069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.017614] ? check_preemption_disabled+0x48/0x200 [ 269.022654] irq_exit+0x17f/0x1c0 [ 269.026123] smp_apic_timer_interrupt+0x1cb/0x760 [ 269.030980] ? smp_reschedule_interrupt+0x109/0x650 [ 269.036024] ? smp_call_function_single_interrupt+0x650/0x650 [ 269.041921] ? interrupt_entry+0xb5/0xf0 [ 269.046002] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.051026] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.056053] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.060904] ? trace_hardirqs_off+0x300/0x300 [ 269.065403] ? trace_hardirqs_off+0x300/0x300 [ 269.069905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.075449] ? check_preemption_disabled+0x48/0x200 [ 269.080474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.086028] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.090888] apic_timer_interrupt+0xf/0x20 [ 269.095120] [ 269.097368] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 269.102306] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 269.121208] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 269.128922] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 269.136191] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 269.143461] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 269.150748] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 269.158019] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 269.165337] skb_clone+0x1bb/0x500 [ 269.168884] ? skb_split+0x11e0/0x11e0 [ 269.172784] ? dev_forward_skb+0x4c/0x60 [ 269.176854] ? __bpf_redirect+0x54b/0xb20 [ 269.181094] ? __switch_to_asm+0x34/0x70 [ 269.185169] bpf_clone_redirect+0xb9/0x490 [ 269.189421] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 269.194447] ? __sched_text_start+0x8/0x8 [ 269.198607] ? lockdep_hardirqs_on+0x421/0x5c0 [ 269.203197] ? retint_kernel+0x2d/0x2d [ 269.207091] ? trace_hardirqs_on_caller+0xc0/0x300 [ 269.212030] ? find_held_lock+0x36/0x1c0 [ 269.216108] ? lock_acquire+0x1ed/0x520 [ 269.220088] ? bpf_test_run+0x32e/0x5a0 [ 269.224065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.229620] ? check_preemption_disabled+0x48/0x200 [ 269.234645] ? kasan_check_read+0x11/0x20 [ 269.238802] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.244083] ? rcu_bh_qs+0xc0/0xc0 [ 269.247632] ? preempt_schedule+0x4d/0x60 [ 269.251789] ? ___preempt_schedule+0x16/0x18 [ 269.256210] ? bpf_test_run+0x1c0/0x5a0 [ 269.260196] ? netlink_diag_dump+0x2a0/0x2a0 [ 269.264620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.270158] ? bpf_test_init.isra.9+0x70/0x100 [ 269.274746] ? bpf_prog_test_run_skb+0x634/0xb40 [ 269.279515] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 269.284357] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.289899] ? fput+0x130/0x1a0 [ 269.293180] ? __bpf_prog_get+0x9b/0x290 [ 269.297247] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 269.302097] ? bpf_prog_test_run+0x130/0x1a0 [ 269.306511] ? __x64_sys_bpf+0x3d8/0x510 [ 269.310576] ? bpf_prog_get+0x20/0x20 [ 269.314386] ? ksys_ioctl+0x81/0xd0 [ 269.318026] ? do_syscall_64+0x1b9/0x820 [ 269.322094] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 269.327481] ? syscall_return_slowpath+0x5e0/0x5e0 [ 269.332422] ? trace_hardirqs_off+0x300/0x300 [ 269.336920] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 269.341955] ? recalc_sigpending_tsk+0x180/0x180 [ 269.346757] ? kasan_check_write+0x14/0x20 [ 269.351019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.355881] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 269.361267] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 269.361360] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 269.368191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.368197] Call Trace: [ 269.368204] [ 269.368222] dump_stack+0x1c4/0x2b4 [ 269.368239] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.374786] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 269.384081] warn_alloc.cold.118+0xb7/0x1bd [ 269.386633] syz-executor0 cpuset= [ 269.388781] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 269.392383] syz0 [ 269.397568] ? lock_downgrade+0x900/0x900 [ 269.408030] mems_allowed=0 [ 269.412352] ? trace_hardirqs_off+0xb8/0x300 [ 269.434034] ? trace_hardirqs_off+0xb8/0x300 [ 269.438462] __alloc_pages_slowpath+0x2667/0x2d80 [ 269.443341] ? warn_alloc+0x120/0x120 [ 269.447152] ? warn_alloc+0x120/0x120 [ 269.450964] ? print_usage_bug+0xc0/0xc0 [ 269.455043] ? warn_alloc+0x120/0x120 [ 269.458854] ? print_usage_bug+0xc0/0xc0 [ 269.462928] ? __lock_acquire+0x7ec/0x4ec0 [ 269.467166] ? __lock_acquire+0x7ec/0x4ec0 [ 269.471410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.476960] ? should_fail+0x22d/0xd01 [ 269.480870] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.485989] ? __lock_acquire+0x7ec/0x4ec0 [ 269.490236] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.495341] ? __lock_acquire+0x7ec/0x4ec0 [ 269.499580] ? should_fail+0x22d/0xd01 [ 269.503479] ? mark_held_locks+0x130/0x130 [ 269.507718] ? mark_held_locks+0x130/0x130 [ 269.511959] ? graph_lock+0x170/0x170 [ 269.515772] ? graph_lock+0x170/0x170 [ 269.519576] ? graph_lock+0x170/0x170 [ 269.523383] ? print_usage_bug+0xc0/0xc0 [ 269.527449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.532999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.538541] ? check_preemption_disabled+0x48/0x200 [ 269.543816] ? check_preemption_disabled+0x48/0x200 [ 269.548843] ? __lock_is_held+0xb5/0x140 [ 269.552916] __alloc_pages_nodemask+0xa80/0xde0 [ 269.557589] ? graph_lock+0x170/0x170 [ 269.561400] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 269.566416] ? graph_lock+0x170/0x170 [ 269.570230] ? find_held_lock+0x36/0x1c0 [ 269.574311] ? ____cache_alloc_node+0x1c7/0x1e0 [ 269.578992] ? lock_downgrade+0x900/0x900 [ 269.583156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.588706] cache_grow_begin+0x91/0x8c0 [ 269.592778] ? do_raw_spin_unlock+0xa7/0x2f0 [ 269.597199] fallback_alloc+0x203/0x2e0 [ 269.601186] ____cache_alloc_node+0x1c7/0x1e0 [ 269.605689] kmem_cache_alloc_node+0xe3/0x730 [ 269.610189] ? ipv6_get_ifaddr+0x42e/0x620 [ 269.614441] __alloc_skb+0x119/0x770 [ 269.618161] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.623446] ? skb_scrub_packet+0x490/0x490 [ 269.627802] ? lock_downgrade+0x900/0x900 [ 269.631966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.637516] ? refcount_sub_and_test_checked+0x203/0x310 [ 269.642984] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 269.648441] ? addrconf_rs_timer+0x6f0/0x6f0 [ 269.652866] ndisc_alloc_skb+0x144/0x340 [ 269.656952] ndisc_send_rs+0x331/0x6e0 [ 269.660871] addrconf_rs_timer+0x3c0/0x6f0 [ 269.665128] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.669392] call_timer_fn+0x272/0x920 [ 269.673291] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.677538] ? process_timeout+0x40/0x40 [ 269.681607] ? find_held_lock+0x36/0x1c0 [ 269.685690] ? mark_held_locks+0xc7/0x130 [ 269.689848] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.694350] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.698848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.703092] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 269.707691] ? trace_hardirqs_on+0xbd/0x310 [ 269.712018] ? kasan_check_read+0x11/0x20 [ 269.716182] ? __run_timers+0x7da/0xc70 [ 269.720165] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.725629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.729874] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.734119] __run_timers+0x7e5/0xc70 [ 269.737937] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 269.743313] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.748334] ? graph_lock+0x170/0x170 [ 269.752140] ? print_usage_bug+0xc0/0xc0 [ 269.756204] ? lock_release+0x970/0x970 [ 269.760183] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 269.765382] ? find_held_lock+0x36/0x1c0 [ 269.769448] ? graph_lock+0x170/0x170 [ 269.773256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.778795] ? check_preemption_disabled+0x48/0x200 [ 269.783826] ? __lock_is_held+0xb5/0x140 [ 269.787894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.793434] ? check_preemption_disabled+0x48/0x200 [ 269.798463] run_timer_softirq+0x52/0xb0 [ 269.802526] ? rcu_read_lock_sched_held+0x108/0x120 [ 269.807551] __do_softirq+0x30b/0xad8 [ 269.811370] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 269.816484] ? pvclock_read_flags+0x160/0x160 [ 269.820995] ? lapic_next_event+0x5a/0x90 [ 269.825170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.830962] ? check_preemption_disabled+0x48/0x200 [ 269.835996] ? check_preemption_disabled+0x48/0x200 [ 269.841027] ? kvm_clock_read+0x18/0x30 [ 269.845014] ? kvm_sched_clock_read+0x9/0x20 [ 269.849428] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.854988] ? check_preemption_disabled+0x48/0x200 [ 269.860035] irq_exit+0x17f/0x1c0 [ 269.863501] smp_apic_timer_interrupt+0x1cb/0x760 [ 269.868349] ? smp_call_function_single_interrupt+0x650/0x650 [ 269.874242] ? interrupt_entry+0xb5/0xf0 [ 269.878323] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.883339] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.888370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.893221] ? trace_hardirqs_off+0x300/0x300 [ 269.897725] ? trace_hardirqs_off+0x300/0x300 [ 269.902242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.907787] ? check_preemption_disabled+0x48/0x200 [ 269.912810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.918369] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.923229] apic_timer_interrupt+0xf/0x20 [ 269.927477] [ 269.929728] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 269.935100] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 269.954028] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 269.962221] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 269.969489] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 269.976764] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 269.984037] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 269.991311] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 269.998613] ? page_evictable+0x35d/0x540 [ 270.002784] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 270.008324] page_evictable+0x36b/0x540 [ 270.012299] ? kswapd_stop+0x100/0x100 [ 270.016195] ? ___might_sleep+0x1ed/0x300 [ 270.020350] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.025809] ? arch_local_save_flags+0x40/0x40 [ 270.030396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.035935] ? check_preemption_disabled+0x48/0x200 [ 270.041018] shrink_active_list+0x845/0x1c20 [ 270.045434] ? free_unref_page_list+0xc0f/0x11e0 [ 270.050212] ? shrink_inactive_list+0x1c60/0x1c60 [ 270.055075] ? graph_lock+0x170/0x170 [ 270.058882] ? __page_frag_cache_drain+0x200/0x200 [ 270.063811] ? print_usage_bug+0xc0/0xc0 [ 270.067892] ? find_held_lock+0x36/0x1c0 [ 270.071963] ? graph_lock+0x170/0x170 [ 270.075781] ? mark_held_locks+0xc7/0x130 [ 270.079937] ? check_preemption_disabled+0x48/0x200 [ 270.084956] ? check_preemption_disabled+0x48/0x200 [ 270.090002] ? graph_lock+0x170/0x170 [ 270.093809] ? __lock_is_held+0xb5/0x140 [ 270.097873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.103410] ? check_preemption_disabled+0x48/0x200 [ 270.108439] ? __lock_is_held+0xb5/0x140 [ 270.112516] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 270.117538] ? inactive_list_is_low+0x305/0x880 [ 270.122217] ? lruvec_lru_size+0x450/0x450 [ 270.126450] ? kasan_check_read+0x11/0x20 [ 270.130610] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 270.135553] shrink_node_memcg+0x803/0x18e0 [ 270.139912] ? shrink_active_list+0x1c20/0x1c20 [ 270.144589] ? lockdep_hardirqs_on+0x421/0x5c0 [ 270.149178] ? trace_hardirqs_on+0xbd/0x310 [ 270.153507] ? vmpressure+0x294/0x310 [ 270.157313] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.162804] shrink_node+0x3bc/0x16b0 [ 270.166614] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 270.171919] ? shrink_node_memcg+0x18e0/0x18e0 [ 270.176504] ? lockdep_hardirqs_on+0x421/0x5c0 [ 270.181099] ? trace_hardirqs_on+0xbd/0x310 [ 270.185429] ? vmpressure+0x294/0x310 [ 270.189241] ? do_raw_spin_unlock+0xa7/0x2f0 [ 270.193653] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 270.198244] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 270.203790] ? __cpuset_node_allowed+0x19b/0x660 [ 270.208550] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 270.214264] ? vmpressure+0x1c9/0x310 [ 270.218081] do_try_to_free_pages+0x3e7/0x1290 [ 270.222686] ? shrink_node+0x16b0/0x16b0 [ 270.226751] ? __lock_is_held+0xb5/0x140 [ 270.230836] try_to_free_pages+0x4d0/0xb90 [ 270.235082] ? do_try_to_free_pages+0x1290/0x1290 [ 270.239927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.245480] ? lock_acquire+0x1ed/0x520 [ 270.249462] ? set_page_refcounted+0x280/0x280 [ 270.254055] ? lock_release+0x970/0x970 [ 270.258043] ? ___might_sleep+0x1ed/0x300 [ 270.262204] ? arch_local_save_flags+0x40/0x40 [ 270.266798] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 270.271830] ? __radix_tree_lookup+0x358/0x4c0 [ 270.276437] __alloc_pages_slowpath+0x993/0x2d80 [ 270.281230] ? kasan_check_read+0x11/0x20 [ 270.285386] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.290708] ? warn_alloc+0x120/0x120 [ 270.294515] ? __radix_tree_lookup+0x4c0/0x4c0 [ 270.299120] ? find_get_entry+0x2f2/0xc40 [ 270.303291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.308849] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 270.313788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.319332] ? should_fail+0x22d/0xd01 [ 270.323227] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.328336] ? __lock_is_held+0xb5/0x140 [ 270.332399] ? graph_lock+0x170/0x170 [ 270.336208] ? graph_lock+0x170/0x170 [ 270.340030] ? __lock_is_held+0xb5/0x140 [ 270.344105] ? __lock_acquire+0x7ec/0x4ec0 [ 270.348350] ? ___might_sleep+0x1ed/0x300 [ 270.352500] ? lock_release+0x970/0x970 [ 270.356569] ? arch_local_save_flags+0x40/0x40 [ 270.361167] ? __might_sleep+0x95/0x190 [ 270.365156] __alloc_pages_nodemask+0xa80/0xde0 [ 270.369839] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 270.374864] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 270.380668] ? kasan_check_read+0x11/0x20 [ 270.384826] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.390123] ? graph_lock+0x170/0x170 [ 270.393952] ? print_usage_bug+0xc0/0xc0 [ 270.398048] ? graph_lock+0x170/0x170 [ 270.401852] ? graph_lock+0x170/0x170 [ 270.405662] ? __do_page_cache_readahead+0x7ce/0x980 [ 270.410788] ? find_held_lock+0x36/0x1c0 [ 270.414870] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 270.420435] alloc_pages_current+0x10c/0x210 [ 270.424851] ? lock_downgrade+0x900/0x900 [ 270.429021] __page_cache_alloc+0x38f/0x5b0 [ 270.433355] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 270.439154] ? kasan_check_read+0x11/0x20 [ 270.443309] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.448592] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 270.453267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.458806] ? check_preemption_disabled+0x48/0x200 [ 270.463837] filemap_fault+0x1594/0x25f0 [ 270.467919] ? __lock_page_or_retry+0xa00/0xa00 [ 270.472612] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 270.478410] ? kasan_check_read+0x11/0x20 [ 270.482562] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.487846] ? rcu_bh_qs+0xc0/0xc0 [ 270.491398] ? print_usage_bug+0xc0/0xc0 [ 270.495471] ? filemap_map_pages+0xdea/0x1980 [ 270.499987] ? print_usage_bug+0xc0/0xc0 [ 270.504060] ? find_get_pages_range_tag+0x1320/0x1320 [ 270.509257] ? print_usage_bug+0xc0/0xc0 [ 270.513324] ? __lock_acquire+0x7ec/0x4ec0 [ 270.517573] ? graph_lock+0x170/0x170 [ 270.521380] ? __sigqueue_free.part.27+0x7d/0xa0 [ 270.526143] ? __lock_acquire+0x7ec/0x4ec0 [ 270.530399] ? lock_acquire+0x1ed/0x520 [ 270.534376] ? ext4_filemap_fault+0x7a/0xad [ 270.538707] ? lock_release+0x970/0x970 [ 270.542689] ? arch_local_save_flags+0x40/0x40 [ 270.547280] ? mark_held_locks+0x130/0x130 [ 270.551533] ? down_read+0xb0/0x1d0 [ 270.555169] ? ext4_filemap_fault+0x7a/0xad [ 270.559494] ? __down_interruptible+0x700/0x700 [ 270.564168] ? graph_lock+0x170/0x170 [ 270.567981] ? __sigqueue_free.part.27+0x7d/0xa0 [ 270.572754] ext4_filemap_fault+0x82/0xad [ 270.576922] __do_fault+0x100/0x6b0 [ 270.580557] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.585843] ? print_bad_pte+0x6c0/0x6c0 [ 270.589912] ? pmd_val+0x88/0x100 [ 270.593369] ? add_mm_counter_fast+0xd0/0xd0 [ 270.597783] ? pmd_val+0x88/0x100 [ 270.601240] ? add_mm_counter_fast+0xd0/0xd0 [ 270.605661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.611211] __handle_mm_fault+0x3709/0x53e0 [ 270.615640] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 270.620502] ? graph_lock+0x170/0x170 [ 270.624313] ? print_usage_bug+0xc0/0xc0 [ 270.628382] ? graph_lock+0x170/0x170 [ 270.632184] ? graph_lock+0x170/0x170 [ 270.636016] ? handle_mm_fault+0x42a/0xc70 [ 270.640254] ? lock_downgrade+0x900/0x900 [ 270.644401] ? check_preemption_disabled+0x48/0x200 [ 270.649428] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 270.655223] ? kasan_check_read+0x11/0x20 [ 270.659378] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.664660] ? rcu_bh_qs+0xc0/0xc0 [ 270.668207] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.673664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.679202] ? check_preemption_disabled+0x48/0x200 [ 270.684234] handle_mm_fault+0x54f/0xc70 [ 270.688305] ? __handle_mm_fault+0x53e0/0x53e0 [ 270.692892] ? find_vma+0x34/0x190 [ 270.696445] __do_page_fault+0x67d/0xed0 [ 270.700521] ? mm_fault_error+0x380/0x380 [ 270.704681] ? syscall_slow_exit_work+0x520/0x520 [ 270.709532] do_page_fault+0xf2/0x7e0 [ 270.713340] ? vmalloc_sync_all+0x30/0x30 [ 270.717494] ? error_entry+0x70/0xd0 [ 270.721215] ? trace_hardirqs_off_caller+0xbb/0x300 [ 270.726233] ? trace_hardirqs_on_caller+0xc0/0x300 [ 270.731169] ? syscall_return_slowpath+0x5e0/0x5e0 [ 270.736101] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.740949] ? trace_hardirqs_off+0x300/0x300 [ 270.745454] ? trace_hardirqs_off_caller+0x300/0x300 [ 270.750566] ? prepare_exit_to_usermode+0x291/0x3b0 [ 270.755595] ? page_fault+0x8/0x30 [ 270.759146] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.764004] ? page_fault+0x8/0x30 [ 270.767550] page_fault+0x1e/0x30 [ 270.771015] RIP: 0033:0x45db60 [ 270.774218] Code: Bad RIP value. [ 270.777583] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 270.782954] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 270.790232] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 270.797506] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 270.804778] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 270.812047] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 270.819351] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 270.819356] warn_alloc_show_mem: 1 callbacks suppressed [ 270.819364] Mem-Info: [ 270.826549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.831924] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 270.831924] active_file:15 inactive_file:16 isolated_file:2 [ 270.831924] unevictable:0 dirty:0 writeback:0 unstable:0 [ 270.831924] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 270.831924] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 270.831924] free:13788 free_pcp:262 free_cma:0 [ 270.834295] Call Trace: [ 270.843686] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 270.876548] [ 270.879119] Node 0 [ 270.906827] dump_stack+0x1c4/0x2b4 [ 270.908985] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 270.911195] ? dump_stack_print_info.cold.2+0x52/0x52 [ 270.914795] lowmem_reserve[]: [ 270.940327] warn_alloc.cold.118+0xb7/0x1bd [ 270.945483] 0 [ 270.948583] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.952871] 2815 6318 [ 270.954682] ? lock_downgrade+0x900/0x900 [ 270.959489] 6318 [ 270.962003] ? trace_hardirqs_off+0xb8/0x300 [ 270.966119] Node 0 [ 270.968184] ? trace_hardirqs_off+0xb8/0x300 [ 270.972591] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 270.974804] __alloc_pages_slowpath+0x2667/0x2d80 [ 270.979172] lowmem_reserve[]: 0 [ 271.006194] ? warn_alloc+0x120/0x120 [ 271.010984] 0 3503 [ 271.014280] ? warn_alloc+0x120/0x120 [ 271.018047] 3503 [ 271.020286] ? print_usage_bug+0xc0/0xc0 [ 271.026116] ? warn_alloc+0x120/0x120 [ 271.030153] Node 0 [ 271.033948] ? print_usage_bug+0xc0/0xc0 [ 271.033989] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 271.033997] lowmem_reserve[]: [ 271.036231] ? __lock_acquire+0x7ec/0x4ec0 [ 271.040264] 0 0 [ 271.068660] ? __lock_acquire+0x7ec/0x4ec0 [ 271.071737] 0 [ 271.075967] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.077924] 0 [ 271.082155] ? should_fail+0x22d/0xd01 [ 271.089464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.091244] Node 0 [ 271.095134] ? __lock_acquire+0x7ec/0x4ec0 [ 271.100208] DMA: [ 271.102440] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.106651] 1*4kB [ 271.108710] ? __lock_acquire+0x7ec/0x4ec0 [ 271.113788] (U) [ 271.115933] ? should_fail+0x22d/0xd01 [ 271.120147] 0*8kB [ 271.122125] ? mark_held_locks+0x130/0x130 [ 271.125995] 0*16kB [ 271.128148] ? mark_held_locks+0x130/0x130 [ 271.132352] 1*32kB [ 271.134580] ? graph_lock+0x170/0x170 [ 271.138788] (U) [ 271.141020] ? graph_lock+0x170/0x170 [ 271.144819] 2*64kB [ 271.146803] ? graph_lock+0x170/0x170 [ 271.150573] (U) [ 271.152806] ? print_usage_bug+0xc0/0xc0 [ 271.156581] 1*128kB [ 271.158556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.162582] (U) [ 271.164900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.170420] 1*256kB [ 271.172394] ? check_preemption_disabled+0x48/0x200 [ 271.177901] (U) [ 271.180223] ? check_preemption_disabled+0x48/0x200 [ 271.185224] 0*512kB [ 271.187211] ? __lock_is_held+0xb5/0x140 [ 271.192188] 1*1024kB [ 271.194516] __alloc_pages_nodemask+0xa80/0xde0 [ 271.198544] (U) [ 271.200955] ? graph_lock+0x170/0x170 [ 271.205596] 1*2048kB (M) [ 271.207582] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 271.211354] 3*4096kB [ 271.214101] ? graph_lock+0x170/0x170 [ 271.214126] ? find_held_lock+0x36/0x1c0 [ 271.219123] (M) [ 271.221543] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.225304] = 15908kB [ 271.229367] ? lock_downgrade+0x900/0x900 [ 271.231315] Node 0 [ 271.235993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.238374] DMA32: [ 271.242524] cache_grow_begin+0x91/0x8c0 [ 271.244735] 3*4kB [ 271.250272] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.252475] (M) [ 271.256546] fallback_alloc+0x203/0x2e0 [ 271.258670] 2*8kB [ 271.263077] ____cache_alloc_node+0x1c7/0x1e0 [ 271.265025] (M) [ 271.269004] kmem_cache_alloc_node+0xe3/0x730 [ 271.271134] 1*16kB [ 271.275623] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.277571] (M) [ 271.282081] __alloc_skb+0x119/0x770 [ 271.284288] 1*32kB [ 271.288518] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.290463] (M) [ 271.294173] ? skb_scrub_packet+0x490/0x490 [ 271.296385] 3*64kB [ 271.301655] ? lock_downgrade+0x900/0x900 [ 271.303600] (UM) 3*128kB [ 271.307928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.310137] (M) [ 271.314285] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.317016] 2*256kB [ 271.322545] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.324492] (M) 3*512kB [ 271.330035] ? addrconf_rs_timer+0x6f0/0x6f0 [ 271.332330] (M) [ 271.337787] ndisc_alloc_skb+0x144/0x340 [ 271.340430] 4*1024kB [ 271.344836] ndisc_send_rs+0x331/0x6e0 [ 271.346789] (UM) [ 271.350851] addrconf_rs_timer+0x3c0/0x6f0 [ 271.353231] 3*2048kB [ 271.357111] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.359148] (UM) [ 271.363388] call_timer_fn+0x272/0x920 [ 271.365766] 3*4096kB [ 271.370005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.372039] (M) [ 271.375924] ? process_timeout+0x40/0x40 [ 271.378340] = 25228kB [ 271.382599] ? find_held_lock+0x36/0x1c0 [ 271.382623] ? __run_timers+0x7da/0xc70 [ 271.384573] Node 0 [ 271.388629] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.391006] Normal: 866*4kB [ 271.395075] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.399024] (ME) [ 271.401269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.405751] 469*8kB [ 271.408784] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 271.413254] (UME) [ 271.415326] ? trace_hardirqs_on+0xbd/0x310 [ 271.419534] 197*16kB [ 271.421855] ? kasan_check_read+0x11/0x20 [ 271.426402] (UME) 59*32kB [ 271.428566] ? __run_timers+0x7da/0xc70 [ 271.432856] (UME) [ 271.435270] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.439386] 18*64kB [ 271.442234] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.446174] (ME) [ 271.448320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.453738] 3*128kB (M) [ 271.456072] __run_timers+0x7e5/0xc70 [ 271.460277] 1*256kB [ 271.462346] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 271.466543] (U) [ 271.469210] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.472985] 0*512kB 0*1024kB [ 271.475314] ? graph_lock+0x170/0x170 [ 271.480649] 0*2048kB 0*4096kB [ 271.482629] ? enqueue_hrtimer+0x1a5/0x560 [ 271.487612] = 14048kB [ 271.487626] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 271.490718] ? lock_release+0x970/0x970 [ 271.494499] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 271.497682] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 271.501896] 412 total pagecache pages [ 271.504310] ? find_held_lock+0x36/0x1c0 [ 271.513130] 0 pages in swap cache [ 271.517107] ? graph_lock+0x170/0x170 [ 271.525656] Swap cache stats: add 0, delete 0, find 0/0 [ 271.525668] Free swap = 0kB [ 271.530872] ? pvclock_read_flags+0x160/0x160 [ 271.534645] Total swap = 0kB [ 271.538706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.542140] 1965979 pages RAM [ 271.545967] ? check_preemption_disabled+0x48/0x200 [ 271.556982] 0 pages HighMem/MovableOnly [ 271.556995] 343323 pages reserved [ 271.560038] ? __lock_is_held+0xb5/0x140 [ 271.564493] 0 pages cma reserved [ 271.567515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.573104] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.576143] ? check_preemption_disabled+0x48/0x200 [ 271.581285] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.585140] run_timer_softirq+0x52/0xb0 [ 271.588561] syz-fuzzer cpuset= [ 271.592618] ? rcu_read_lock_sched_held+0x108/0x120 [ 271.595954] / [ 271.601503] __do_softirq+0x30b/0xad8 [ 271.607970] mems_allowed=0 [ 271.613008] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 271.648951] ? pvclock_read_flags+0x160/0x160 [ 271.653465] ? lapic_next_event+0x5a/0x90 [ 271.657623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.663170] ? check_preemption_disabled+0x48/0x200 [ 271.668188] ? check_preemption_disabled+0x48/0x200 [ 271.673215] ? kvm_clock_read+0x18/0x30 [ 271.677191] ? kvm_sched_clock_read+0x9/0x20 [ 271.681608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.687153] ? check_preemption_disabled+0x48/0x200 [ 271.692187] irq_exit+0x17f/0x1c0 [ 271.695652] smp_apic_timer_interrupt+0x1cb/0x760 [ 271.700499] ? smp_reschedule_interrupt+0x109/0x650 [ 271.705524] ? smp_call_function_single_interrupt+0x650/0x650 [ 271.711413] ? interrupt_entry+0xb5/0xf0 [ 271.715481] ? trace_hardirqs_off_caller+0xbb/0x300 [ 271.720500] ? trace_hardirqs_off_caller+0xbb/0x300 [ 271.725523] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.730371] ? trace_hardirqs_off+0x300/0x300 [ 271.734867] ? trace_hardirqs_off+0x300/0x300 [ 271.739370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.744910] ? check_preemption_disabled+0x48/0x200 [ 271.749931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.755481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.760340] apic_timer_interrupt+0xf/0x20 [ 271.764573] [ 271.766819] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 271.771755] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 271.790673] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 271.798397] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 271.805670] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 271.812946] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 271.820222] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 271.827490] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 271.835282] skb_clone+0x1bb/0x500 [ 271.838829] ? skb_split+0x11e0/0x11e0 [ 271.842729] ? dev_forward_skb+0x4c/0x60 [ 271.846801] ? __bpf_redirect+0x54b/0xb20 [ 271.850954] ? __switch_to_asm+0x34/0x70 [ 271.855037] bpf_clone_redirect+0xb9/0x490 [ 271.859292] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 271.864316] ? __sched_text_start+0x8/0x8 [ 271.868475] ? lockdep_hardirqs_on+0x421/0x5c0 [ 271.873060] ? retint_kernel+0x2d/0x2d [ 271.876956] ? trace_hardirqs_on_caller+0xc0/0x300 [ 271.881903] ? find_held_lock+0x36/0x1c0 [ 271.885987] ? lock_acquire+0x1ed/0x520 [ 271.889983] ? bpf_test_run+0x32e/0x5a0 [ 271.893982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.899525] ? check_preemption_disabled+0x48/0x200 [ 271.904548] ? kasan_check_read+0x11/0x20 [ 271.908704] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.913992] ? rcu_bh_qs+0xc0/0xc0 [ 271.917543] ? preempt_schedule+0x4d/0x60 [ 271.921694] ? ___preempt_schedule+0x16/0x18 [ 271.926119] ? bpf_test_run+0x1c0/0x5a0 [ 271.930107] ? netlink_diag_dump+0x2a0/0x2a0 [ 271.934526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.940067] ? bpf_test_init.isra.9+0x70/0x100 [ 271.944656] ? bpf_prog_test_run_skb+0x634/0xb40 [ 271.949423] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.954281] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 271.959820] ? fput+0x130/0x1a0 [ 271.963333] ? __bpf_prog_get+0x9b/0x290 [ 271.967406] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.972248] ? bpf_prog_test_run+0x130/0x1a0 [ 271.976673] ? __x64_sys_bpf+0x3d8/0x510 [ 271.980737] ? bpf_prog_get+0x20/0x20 [ 271.984555] ? ksys_ioctl+0x81/0xd0 [ 271.988196] ? do_syscall_64+0x1b9/0x820 [ 271.992270] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 271.997640] ? syscall_return_slowpath+0x5e0/0x5e0 [ 272.002578] ? trace_hardirqs_off+0x300/0x300 [ 272.007075] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 272.012097] ? recalc_sigpending_tsk+0x180/0x180 [ 272.016860] ? kasan_check_write+0x14/0x20 [ 272.021107] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.025967] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 272.031366] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 272.031452] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 272.038294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.038300] Call Trace: [ 272.038307] [ 272.038326] dump_stack+0x1c4/0x2b4 [ 272.038343] ? dump_stack_print_info.cold.2+0x52/0x52 [ 272.044882] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 272.054180] warn_alloc.cold.118+0xb7/0x1bd [ 272.056731] syz-executor0 cpuset= [ 272.058875] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 272.062480] syz0 [ 272.067670] ? lock_downgrade+0x900/0x900 [ 272.078132] mems_allowed=0 [ 272.082453] ? trace_hardirqs_off+0xb8/0x300 [ 272.104143] ? trace_hardirqs_off+0xb8/0x300 [ 272.108571] __alloc_pages_slowpath+0x2667/0x2d80 [ 272.113451] ? warn_alloc+0x120/0x120 [ 272.117259] ? trace_hardirqs_on+0x310/0x310 [ 272.121672] ? warn_alloc+0x120/0x120 [ 272.125483] ? print_usage_bug+0xc0/0xc0 [ 272.129552] ? warn_alloc+0x120/0x120 [ 272.133357] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 272.138385] ? print_usage_bug+0xc0/0xc0 [ 272.142457] ? __lock_acquire+0x7ec/0x4ec0 [ 272.146698] ? __lock_acquire+0x7ec/0x4ec0 [ 272.150940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.156485] ? should_fail+0x22d/0xd01 [ 272.160384] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.165493] ? __lock_acquire+0x7ec/0x4ec0 [ 272.169736] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.174844] ? __lock_acquire+0x7ec/0x4ec0 [ 272.179082] ? should_fail+0x22d/0xd01 [ 272.182982] ? print_usage_bug+0xc0/0xc0 [ 272.187065] ? mark_held_locks+0x130/0x130 [ 272.191310] ? mark_held_locks+0x130/0x130 [ 272.195556] ? graph_lock+0x170/0x170 [ 272.199357] ? print_usage_bug+0xc0/0xc0 [ 272.203441] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.208212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.213754] ? check_preemption_disabled+0x48/0x200 [ 272.218778] ? check_preemption_disabled+0x48/0x200 [ 272.223807] ? __lock_is_held+0xb5/0x140 [ 272.227879] __alloc_pages_nodemask+0xa80/0xde0 [ 272.232554] ? graph_lock+0x170/0x170 [ 272.236363] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.241381] ? graph_lock+0x170/0x170 [ 272.245197] ? find_held_lock+0x36/0x1c0 [ 272.249272] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.253965] ? lock_downgrade+0x900/0x900 [ 272.258138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.263686] cache_grow_begin+0x91/0x8c0 [ 272.267751] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.272176] fallback_alloc+0x203/0x2e0 [ 272.276160] ____cache_alloc_node+0x1c7/0x1e0 [ 272.280665] kmem_cache_alloc_node+0xe3/0x730 [ 272.285164] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.289412] __alloc_skb+0x119/0x770 [ 272.293134] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.298416] ? skb_scrub_packet+0x490/0x490 [ 272.302742] ? lock_downgrade+0x900/0x900 [ 272.306909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.312463] ? refcount_sub_and_test_checked+0x203/0x310 [ 272.317918] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 272.323371] ? addrconf_rs_timer+0x6f0/0x6f0 [ 272.327803] ndisc_alloc_skb+0x144/0x340 [ 272.331876] ndisc_send_rs+0x331/0x6e0 [ 272.335780] addrconf_rs_timer+0x3c0/0x6f0 [ 272.340025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.344277] call_timer_fn+0x272/0x920 [ 272.348167] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.352407] ? process_timeout+0x40/0x40 [ 272.356471] ? find_held_lock+0x36/0x1c0 [ 272.360544] ? mark_held_locks+0xc7/0x130 [ 272.364701] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.369203] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.373699] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.377934] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 272.382521] ? trace_hardirqs_on+0xbd/0x310 [ 272.386846] ? kasan_check_read+0x11/0x20 [ 272.391003] ? __run_timers+0x7da/0xc70 [ 272.394991] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.400459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.404717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.408959] __run_timers+0x7e5/0xc70 [ 272.412790] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 272.418160] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 272.423189] ? graph_lock+0x170/0x170 [ 272.427017] ? print_usage_bug+0xc0/0xc0 [ 272.431084] ? lock_release+0x970/0x970 [ 272.435068] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 272.440290] ? find_held_lock+0x36/0x1c0 [ 272.444366] ? graph_lock+0x170/0x170 [ 272.448180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.453739] ? check_preemption_disabled+0x48/0x200 [ 272.458787] ? __lock_is_held+0xb5/0x140 [ 272.462870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.468413] ? check_preemption_disabled+0x48/0x200 [ 272.473448] run_timer_softirq+0x52/0xb0 [ 272.477530] ? rcu_read_lock_sched_held+0x108/0x120 [ 272.482558] __do_softirq+0x30b/0xad8 [ 272.486377] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 272.491508] ? pvclock_read_flags+0x160/0x160 [ 272.496012] ? lapic_next_event+0x5a/0x90 [ 272.500166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.505705] ? check_preemption_disabled+0x48/0x200 [ 272.510721] ? check_preemption_disabled+0x48/0x200 [ 272.515745] ? kvm_clock_read+0x18/0x30 [ 272.519730] ? kvm_sched_clock_read+0x9/0x20 [ 272.524145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.529684] ? check_preemption_disabled+0x48/0x200 [ 272.534716] irq_exit+0x17f/0x1c0 [ 272.538177] smp_apic_timer_interrupt+0x1cb/0x760 [ 272.543025] ? smp_call_function_single_interrupt+0x650/0x650 [ 272.548910] ? interrupt_entry+0xb5/0xf0 [ 272.552982] ? trace_hardirqs_off_caller+0xbb/0x300 [ 272.558010] ? trace_hardirqs_off_caller+0xbb/0x300 [ 272.563034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.567882] ? trace_hardirqs_off+0x300/0x300 [ 272.572379] ? trace_hardirqs_off+0x300/0x300 [ 272.576888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.582429] ? check_preemption_disabled+0x48/0x200 [ 272.587456] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.593012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.597875] apic_timer_interrupt+0xf/0x20 [ 272.602107] [ 272.604351] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 272.609720] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 272.628626] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 272.636343] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 272.643610] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 272.650880] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 272.658152] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 272.665421] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 272.672718] ? page_evictable+0x35d/0x540 [ 272.676880] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 272.682420] page_evictable+0x36b/0x540 [ 272.686402] ? kswapd_stop+0x100/0x100 [ 272.690298] ? ___might_sleep+0x1ed/0x300 [ 272.694454] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.699913] ? arch_local_save_flags+0x40/0x40 [ 272.704503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.710046] ? check_preemption_disabled+0x48/0x200 [ 272.715076] shrink_active_list+0x845/0x1c20 [ 272.719491] ? free_unref_page_list+0xc0f/0x11e0 [ 272.724269] ? shrink_inactive_list+0x1c60/0x1c60 [ 272.729129] ? graph_lock+0x170/0x170 [ 272.732934] ? __page_frag_cache_drain+0x200/0x200 [ 272.737863] ? print_usage_bug+0xc0/0xc0 [ 272.741940] ? find_held_lock+0x36/0x1c0 [ 272.746015] ? graph_lock+0x170/0x170 [ 272.749822] ? mark_held_locks+0xc7/0x130 [ 272.753982] ? check_preemption_disabled+0x48/0x200 [ 272.759005] ? check_preemption_disabled+0x48/0x200 [ 272.764032] ? graph_lock+0x170/0x170 [ 272.767833] ? __lock_is_held+0xb5/0x140 [ 272.771899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.777443] ? check_preemption_disabled+0x48/0x200 [ 272.782475] ? __lock_is_held+0xb5/0x140 [ 272.786559] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 272.791586] ? inactive_list_is_low+0x305/0x880 [ 272.796288] ? lruvec_lru_size+0x450/0x450 [ 272.800532] ? kasan_check_read+0x11/0x20 [ 272.804700] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 272.809656] shrink_node_memcg+0x803/0x18e0 [ 272.814025] ? shrink_active_list+0x1c20/0x1c20 [ 272.818717] ? lockdep_hardirqs_on+0x421/0x5c0 [ 272.823316] ? trace_hardirqs_on+0xbd/0x310 [ 272.827651] ? vmpressure+0x294/0x310 [ 272.831462] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.836950] shrink_node+0x3bc/0x16b0 [ 272.840778] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 272.846098] ? shrink_node_memcg+0x18e0/0x18e0 [ 272.850689] ? lockdep_hardirqs_on+0x421/0x5c0 [ 272.855281] ? trace_hardirqs_on+0xbd/0x310 [ 272.859609] ? vmpressure+0x294/0x310 [ 272.863413] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.867827] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 272.872422] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 272.877965] ? __cpuset_node_allowed+0x19b/0x660 [ 272.882735] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 272.888455] ? vmpressure+0x1c9/0x310 [ 272.892268] do_try_to_free_pages+0x3e7/0x1290 [ 272.896875] ? shrink_node+0x16b0/0x16b0 [ 272.900945] ? __lock_is_held+0xb5/0x140 [ 272.905039] try_to_free_pages+0x4d0/0xb90 [ 272.909282] ? do_try_to_free_pages+0x1290/0x1290 [ 272.914131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.919682] ? lock_acquire+0x1ed/0x520 [ 272.923661] ? set_page_refcounted+0x280/0x280 [ 272.928251] ? lock_release+0x970/0x970 [ 272.932237] ? ___might_sleep+0x1ed/0x300 [ 272.936443] ? arch_local_save_flags+0x40/0x40 [ 272.941033] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 272.946058] ? __radix_tree_lookup+0x358/0x4c0 [ 272.950657] __alloc_pages_slowpath+0x993/0x2d80 [ 272.955446] ? kasan_check_read+0x11/0x20 [ 272.959603] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.964884] ? warn_alloc+0x120/0x120 [ 272.968690] ? __radix_tree_lookup+0x4c0/0x4c0 [ 272.973292] ? find_get_entry+0x2f2/0xc40 [ 272.977454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.983001] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 272.987938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.993485] ? should_fail+0x22d/0xd01 [ 272.997383] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.002488] ? __lock_is_held+0xb5/0x140 [ 273.006555] ? graph_lock+0x170/0x170 [ 273.010368] ? graph_lock+0x170/0x170 [ 273.014190] ? __lock_is_held+0xb5/0x140 [ 273.018260] ? __lock_acquire+0x7ec/0x4ec0 [ 273.022506] ? ___might_sleep+0x1ed/0x300 [ 273.026655] ? lock_release+0x970/0x970 [ 273.030634] ? arch_local_save_flags+0x40/0x40 [ 273.035235] ? __might_sleep+0x95/0x190 [ 273.039218] __alloc_pages_nodemask+0xa80/0xde0 [ 273.043895] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 273.048922] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 273.054721] ? kasan_check_read+0x11/0x20 [ 273.058872] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.064154] ? graph_lock+0x170/0x170 [ 273.067960] ? print_usage_bug+0xc0/0xc0 [ 273.072124] ? graph_lock+0x170/0x170 [ 273.075925] ? graph_lock+0x170/0x170 [ 273.079732] ? __do_page_cache_readahead+0x7ce/0x980 [ 273.084853] ? find_held_lock+0x36/0x1c0 [ 273.088922] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 273.094468] alloc_pages_current+0x10c/0x210 [ 273.098882] ? lock_downgrade+0x900/0x900 [ 273.103042] __page_cache_alloc+0x38f/0x5b0 [ 273.107372] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 273.113171] ? kasan_check_read+0x11/0x20 [ 273.117330] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.122615] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 273.127290] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.132920] ? check_preemption_disabled+0x48/0x200 [ 273.137949] filemap_fault+0x1594/0x25f0 [ 273.142037] ? __lock_page_or_retry+0xa00/0xa00 [ 273.146713] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 273.152513] ? kasan_check_read+0x11/0x20 [ 273.156691] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.161995] ? rcu_bh_qs+0xc0/0xc0 [ 273.165547] ? print_usage_bug+0xc0/0xc0 [ 273.169618] ? filemap_map_pages+0xdea/0x1980 [ 273.174126] ? print_usage_bug+0xc0/0xc0 [ 273.178197] ? find_get_pages_range_tag+0x1320/0x1320 [ 273.183390] ? print_usage_bug+0xc0/0xc0 [ 273.187456] ? __lock_acquire+0x7ec/0x4ec0 [ 273.191696] ? graph_lock+0x170/0x170 [ 273.195501] ? __sigqueue_free.part.27+0x7d/0xa0 [ 273.200262] ? __lock_acquire+0x7ec/0x4ec0 [ 273.204515] ? lock_acquire+0x1ed/0x520 [ 273.208494] ? ext4_filemap_fault+0x7a/0xad [ 273.212825] ? lock_release+0x970/0x970 [ 273.216805] ? arch_local_save_flags+0x40/0x40 [ 273.221393] ? mark_held_locks+0x130/0x130 [ 273.225646] ? down_read+0xb0/0x1d0 [ 273.229273] ? ext4_filemap_fault+0x7a/0xad [ 273.233600] ? __down_interruptible+0x700/0x700 [ 273.238271] ? graph_lock+0x170/0x170 [ 273.242076] ? __sigqueue_free.part.27+0x7d/0xa0 [ 273.246845] ext4_filemap_fault+0x82/0xad [ 273.251008] __do_fault+0x100/0x6b0 [ 273.254642] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.259930] ? print_bad_pte+0x6c0/0x6c0 [ 273.264009] ? pmd_val+0x88/0x100 [ 273.267468] ? add_mm_counter_fast+0xd0/0xd0 [ 273.271881] ? pmd_val+0x88/0x100 [ 273.275341] ? add_mm_counter_fast+0xd0/0xd0 [ 273.279756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.285312] __handle_mm_fault+0x3709/0x53e0 [ 273.289737] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 273.294588] ? graph_lock+0x170/0x170 [ 273.298395] ? print_usage_bug+0xc0/0xc0 [ 273.302462] ? graph_lock+0x170/0x170 [ 273.306267] ? graph_lock+0x170/0x170 [ 273.310095] ? handle_mm_fault+0x42a/0xc70 [ 273.314335] ? lock_downgrade+0x900/0x900 [ 273.318488] ? check_preemption_disabled+0x48/0x200 [ 273.323514] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 273.329316] ? kasan_check_read+0x11/0x20 [ 273.333480] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.338794] ? rcu_bh_qs+0xc0/0xc0 [ 273.342338] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.347796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.353337] ? check_preemption_disabled+0x48/0x200 [ 273.358368] handle_mm_fault+0x54f/0xc70 [ 273.362441] ? __handle_mm_fault+0x53e0/0x53e0 [ 273.367032] ? find_vma+0x34/0x190 [ 273.370581] __do_page_fault+0x67d/0xed0 [ 273.374658] ? mm_fault_error+0x380/0x380 [ 273.378825] ? syscall_slow_exit_work+0x520/0x520 [ 273.383679] do_page_fault+0xf2/0x7e0 [ 273.387488] ? vmalloc_sync_all+0x30/0x30 [ 273.391644] ? error_entry+0x70/0xd0 [ 273.395368] ? trace_hardirqs_off_caller+0xbb/0x300 [ 273.400389] ? trace_hardirqs_on_caller+0xc0/0x300 [ 273.405325] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.410263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.415115] ? trace_hardirqs_off+0x300/0x300 [ 273.419614] ? trace_hardirqs_off_caller+0x300/0x300 [ 273.424726] ? prepare_exit_to_usermode+0x291/0x3b0 [ 273.429753] ? page_fault+0x8/0x30 [ 273.433310] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.438160] ? page_fault+0x8/0x30 [ 273.441706] page_fault+0x1e/0x30 [ 273.445162] RIP: 0033:0x45db60 [ 273.448371] Code: Bad RIP value. [ 273.451734] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 273.457107] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 273.464381] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 273.471662] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 273.478939] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 273.486218] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 273.493521] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 273.493527] warn_alloc_show_mem: 1 callbacks suppressed [ 273.493535] Mem-Info: [ 273.500719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.506090] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 273.506090] active_file:15 inactive_file:16 isolated_file:2 [ 273.506090] unevictable:0 dirty:0 writeback:0 unstable:0 [ 273.506090] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 273.506090] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 273.506090] free:13788 free_pcp:262 free_cma:0 [ 273.508461] Call Trace: [ 273.517852] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 273.550709] [ 273.553279] Node 0 [ 273.580967] dump_stack+0x1c4/0x2b4 [ 273.583122] 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 [ 273.585332] ? dump_stack_print_info.cold.2+0x52/0x52 [ 273.588928] lowmem_reserve[]: 0 [ 273.614452] warn_alloc.cold.118+0xb7/0x1bd [ 273.619607] 2815 [ 273.622882] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.627180] 6318 [ 273.629239] ? lock_downgrade+0x900/0x900 [ 273.634051] 6318 [ 273.636116] ? trace_hardirqs_off+0xb8/0x300 [ 273.642302] ? trace_hardirqs_off+0xb8/0x300 [ 273.646682] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 273.651117] __alloc_pages_slowpath+0x2667/0x2d80 [ 273.651159] ? warn_alloc+0x120/0x120 [ 273.678713] lowmem_reserve[]: [ 273.683576] ? warn_alloc+0x120/0x120 [ 273.687338] 0 0 [ 273.690471] ? print_usage_bug+0xc0/0xc0 [ 273.694237] 3503 [ 273.696212] ? warn_alloc+0x120/0x120 [ 273.700253] 3503 [ 273.702347] ? print_usage_bug+0xc0/0xc0 [ 273.708177] ? __lock_acquire+0x7ec/0x4ec0 [ 273.712221] Node 0 [ 273.716457] ? __lock_acquire+0x7ec/0x4ec0 [ 273.716489] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 273.716497] lowmem_reserve[]: [ 273.718734] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.722950] 0 [ 273.751363] ? should_fail+0x22d/0xd01 [ 273.754440] 0 [ 273.759995] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.761774] 0 [ 273.765668] ? __lock_acquire+0x7ec/0x4ec0 [ 273.767444] 0 [ 273.772559] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.774336] Node 0 [ 273.778559] ? __lock_acquire+0x7ec/0x4ec0 [ 273.778576] ? should_fail+0x22d/0xd01 [ 273.780349] DMA: 1*4kB [ 273.785461] ? mark_held_locks+0x130/0x130 [ 273.787671] (U) [ 273.791898] ? mark_held_locks+0x130/0x130 [ 273.795755] 0*8kB [ 273.798343] ? graph_lock+0x170/0x170 [ 273.802552] 0*16kB [ 273.804526] ? graph_lock+0x170/0x170 [ 273.808742] 1*32kB [ 273.810888] ? graph_lock+0x170/0x170 [ 273.814668] (U) [ 273.816902] ? print_usage_bug+0xc0/0xc0 [ 273.820678] 2*64kB (U) [ 273.822929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.826699] 1*128kB [ 273.828668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.832937] (U) 1*256kB [ 273.835535] ? check_preemption_disabled+0x48/0x200 [ 273.841044] (U) [ 273.843364] ? check_preemption_disabled+0x48/0x200 [ 273.848872] 0*512kB 1*1024kB [ 273.851553] ? __lock_is_held+0xb5/0x140 [ 273.856536] (U) [ 273.858520] __alloc_pages_nodemask+0xa80/0xde0 [ 273.863500] 1*2048kB (M) [ 273.866608] ? graph_lock+0x170/0x170 [ 273.870645] 3*4096kB [ 273.872614] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 273.877256] (M) [ 273.880016] ? graph_lock+0x170/0x170 [ 273.883797] = 15908kB [ 273.886205] ? find_held_lock+0x36/0x1c0 [ 273.891188] Node 0 [ 273.893165] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.896935] DMA32: [ 273.899343] ? lock_downgrade+0x900/0x900 [ 273.903378] 3*4kB [ 273.905611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.910247] (M) [ 273.912483] cache_grow_begin+0x91/0x8c0 [ 273.916604] 2*8kB [ 273.918747] ? do_raw_spin_unlock+0xa7/0x2f0 [ 273.924267] (M) [ 273.926244] fallback_alloc+0x203/0x2e0 [ 273.930279] 1*16kB [ 273.932423] ____cache_alloc_node+0x1c7/0x1e0 [ 273.936806] (M) [ 273.938782] kmem_cache_alloc_node+0xe3/0x730 [ 273.942734] 1*32kB [ 273.944967] ? ipv6_get_ifaddr+0x42e/0x620 [ 273.949441] (M) [ 273.951421] __alloc_skb+0x119/0x770 [ 273.955885] 3*64kB [ 273.958120] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.962818] (UM) [ 273.964811] ? skb_scrub_packet+0x490/0x490 [ 273.968500] 3*128kB [ 273.970733] ? lock_downgrade+0x900/0x900 [ 273.975989] (M) [ 273.978052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.982347] 2*256kB [ 273.984669] ? refcount_sub_and_test_checked+0x203/0x310 [ 273.988789] (M) [ 273.990759] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 273.996278] 3*512kB [ 273.998601] ? addrconf_rs_timer+0x6f0/0x6f0 [ 274.004033] (M) [ 274.006018] ndisc_alloc_skb+0x144/0x340 [ 274.011438] 4*1024kB [ 274.013762] ndisc_send_rs+0x331/0x6e0 [ 274.018150] (UM) [ 274.020124] addrconf_rs_timer+0x3c0/0x6f0 [ 274.024156] 3*2048kB [ 274.026565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.030425] (UM) [ 274.032500] call_timer_fn+0x272/0x920 [ 274.036693] 3*4096kB (M) [ 274.039108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.043313] = 25228kB [ 274.043321] Node 0 [ 274.045381] ? process_timeout+0x40/0x40 [ 274.049259] Normal: [ 274.052019] ? find_held_lock+0x36/0x1c0 [ 274.056227] 866*4kB [ 274.058637] ? __run_timers+0x7da/0xc70 [ 274.060860] (ME) [ 274.064938] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.067236] 469*8kB [ 274.071298] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.073598] (UME) [ 274.077569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.079610] 197*16kB [ 274.084114] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 274.086405] (UME) 59*32kB [ 274.090911] ? trace_hardirqs_on+0xbd/0x310 [ 274.093033] (UME) [ 274.097265] ? kasan_check_read+0x11/0x20 [ 274.099650] 18*64kB [ 274.104237] ? __run_timers+0x7da/0xc70 [ 274.107050] (ME) 3*128kB [ 274.111384] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.113501] (M) 1*256kB [ 274.117665] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.119956] (U) [ 274.123933] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.126663] 0*512kB [ 274.132112] __run_timers+0x7e5/0xc70 [ 274.134754] 0*1024kB [ 274.139000] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.140938] 0*2048kB [ 274.145168] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.147462] 0*4096kB = 14048kB [ 274.151268] ? graph_lock+0x170/0x170 [ 274.153657] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 274.159008] ? enqueue_hrtimer+0x1a5/0x560 [ 274.161404] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 274.166407] ? lock_release+0x970/0x970 [ 274.169576] 412 total pagecache pages [ 274.173386] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 274.182204] 0 pages in swap cache [ 274.186426] ? find_held_lock+0x36/0x1c0 [ 274.194991] Swap cache stats: add 0, delete 0, find 0/0 [ 274.198961] ? graph_lock+0x170/0x170 [ 274.202732] Free swap = 0kB [ 274.207914] ? pvclock_read_flags+0x160/0x160 [ 274.211342] Total swap = 0kB [ 274.215402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.220736] 1965979 pages RAM [ 274.224530] ? check_preemption_disabled+0x48/0x200 [ 274.227527] 0 pages HighMem/MovableOnly [ 274.232023] ? __lock_is_held+0xb5/0x140 [ 274.235008] 343323 pages reserved [ 274.240541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.243619] 0 pages cma reserved [ 274.248630] ? check_preemption_disabled+0x48/0x200 [ 274.252675] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.256637] run_timer_softirq+0x52/0xb0 [ 274.260203] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.265614] ? rcu_read_lock_sched_held+0x108/0x120 [ 274.268952] syz-fuzzer cpuset= [ 274.273997] __do_softirq+0x30b/0xad8 [ 274.280461] / [ 274.284523] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 274.294718] mems_allowed=0 [ 274.299730] ? pvclock_read_flags+0x160/0x160 [ 274.320866] ? lapic_next_event+0x5a/0x90 [ 274.325019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.330559] ? check_preemption_disabled+0x48/0x200 [ 274.335574] ? check_preemption_disabled+0x48/0x200 [ 274.340600] ? kvm_clock_read+0x18/0x30 [ 274.344577] ? kvm_sched_clock_read+0x9/0x20 [ 274.349002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.354540] ? check_preemption_disabled+0x48/0x200 [ 274.359576] irq_exit+0x17f/0x1c0 [ 274.363038] smp_apic_timer_interrupt+0x1cb/0x760 [ 274.367887] ? smp_reschedule_interrupt+0x109/0x650 [ 274.372910] ? smp_call_function_single_interrupt+0x650/0x650 [ 274.378805] ? interrupt_entry+0xb5/0xf0 [ 274.382893] ? trace_hardirqs_off_caller+0xbb/0x300 [ 274.387915] ? trace_hardirqs_off_caller+0xbb/0x300 [ 274.392943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.397804] ? trace_hardirqs_off+0x300/0x300 [ 274.402307] ? trace_hardirqs_off+0x300/0x300 [ 274.406814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.412362] ? check_preemption_disabled+0x48/0x200 [ 274.417388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.422946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.427830] apic_timer_interrupt+0xf/0x20 [ 274.432076] [ 274.434328] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 274.439266] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 274.458170] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 274.465891] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 274.473164] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 274.480436] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 274.487708] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 274.494985] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 274.502312] skb_clone+0x1bb/0x500 [ 274.505857] ? skb_split+0x11e0/0x11e0 [ 274.509759] ? dev_forward_skb+0x4c/0x60 [ 274.513830] ? __bpf_redirect+0x54b/0xb20 [ 274.517994] ? __switch_to_asm+0x34/0x70 [ 274.522072] bpf_clone_redirect+0xb9/0x490 [ 274.526323] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 274.531349] ? __sched_text_start+0x8/0x8 [ 274.535771] ? lockdep_hardirqs_on+0x421/0x5c0 [ 274.540359] ? retint_kernel+0x2d/0x2d [ 274.544253] ? trace_hardirqs_on_caller+0xc0/0x300 [ 274.549198] ? find_held_lock+0x36/0x1c0 [ 274.553278] ? lock_acquire+0x1ed/0x520 [ 274.557257] ? bpf_test_run+0x32e/0x5a0 [ 274.561250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.566805] ? check_preemption_disabled+0x48/0x200 [ 274.571835] ? kasan_check_read+0x11/0x20 [ 274.576007] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.581298] ? rcu_bh_qs+0xc0/0xc0 [ 274.584853] ? preempt_schedule+0x4d/0x60 [ 274.589020] ? ___preempt_schedule+0x16/0x18 [ 274.593446] ? bpf_test_run+0x1c0/0x5a0 [ 274.597438] ? netlink_diag_dump+0x2a0/0x2a0 [ 274.601854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.607400] ? bpf_test_init.isra.9+0x70/0x100 [ 274.612001] ? bpf_prog_test_run_skb+0x634/0xb40 [ 274.616768] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 274.621617] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 274.627164] ? fput+0x130/0x1a0 [ 274.630452] ? __bpf_prog_get+0x9b/0x290 [ 274.634520] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 274.639363] ? bpf_prog_test_run+0x130/0x1a0 [ 274.643781] ? __x64_sys_bpf+0x3d8/0x510 [ 274.647847] ? bpf_prog_get+0x20/0x20 [ 274.651661] ? ksys_ioctl+0x81/0xd0 [ 274.655310] ? do_syscall_64+0x1b9/0x820 [ 274.659378] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 274.664750] ? syscall_return_slowpath+0x5e0/0x5e0 [ 274.669686] ? trace_hardirqs_off+0x300/0x300 [ 274.674189] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 274.679211] ? recalc_sigpending_tsk+0x180/0x180 [ 274.683972] ? kasan_check_write+0x14/0x20 [ 274.688241] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.693118] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 274.698526] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 274.698611] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.705463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.712077] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.721296] Call Trace: [ 274.731776] syz-executor0 cpuset= [ 274.734348] [ 274.734351] syz0 mems_allowed=0 [ 274.737839] dump_stack+0x1c4/0x2b4 [ 274.746873] ? dump_stack_print_info.cold.2+0x52/0x52 [ 274.752089] warn_alloc.cold.118+0xb7/0x1bd [ 274.756421] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 274.761272] ? lock_downgrade+0x900/0x900 [ 274.765433] ? trace_hardirqs_off+0xb8/0x300 [ 274.769856] ? trace_hardirqs_off+0xb8/0x300 [ 274.774279] __alloc_pages_slowpath+0x2667/0x2d80 [ 274.779161] ? warn_alloc+0x120/0x120 [ 274.782971] ? trace_hardirqs_on+0x310/0x310 [ 274.787391] ? warn_alloc+0x120/0x120 [ 274.791202] ? print_usage_bug+0xc0/0xc0 [ 274.795270] ? warn_alloc+0x120/0x120 [ 274.799079] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 274.804105] ? print_usage_bug+0xc0/0xc0 [ 274.808184] ? __lock_acquire+0x7ec/0x4ec0 [ 274.812421] ? __lock_acquire+0x7ec/0x4ec0 [ 274.816664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.822228] ? should_fail+0x22d/0xd01 [ 274.826131] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.831242] ? __lock_acquire+0x7ec/0x4ec0 [ 274.835489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.840593] ? __lock_acquire+0x7ec/0x4ec0 [ 274.844832] ? should_fail+0x22d/0xd01 [ 274.848719] ? print_usage_bug+0xc0/0xc0 [ 274.852799] ? mark_held_locks+0x130/0x130 [ 274.857048] ? mark_held_locks+0x130/0x130 [ 274.861301] ? graph_lock+0x170/0x170 [ 274.865107] ? print_usage_bug+0xc0/0xc0 [ 274.869174] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 274.873941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.879485] ? check_preemption_disabled+0x48/0x200 [ 274.884503] ? check_preemption_disabled+0x48/0x200 [ 274.889533] ? __lock_is_held+0xb5/0x140 [ 274.893605] __alloc_pages_nodemask+0xa80/0xde0 [ 274.898280] ? graph_lock+0x170/0x170 [ 274.902089] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 274.907116] ? graph_lock+0x170/0x170 [ 274.910929] ? find_held_lock+0x36/0x1c0 [ 274.915010] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.919686] ? lock_downgrade+0x900/0x900 [ 274.923845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.929390] cache_grow_begin+0x91/0x8c0 [ 274.933464] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.937897] fallback_alloc+0x203/0x2e0 [ 274.941886] ____cache_alloc_node+0x1c7/0x1e0 [ 274.946398] kmem_cache_alloc_node+0xe3/0x730 [ 274.950899] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.955159] __alloc_skb+0x119/0x770 [ 274.958888] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.964657] ? skb_scrub_packet+0x490/0x490 [ 274.969006] ? lock_downgrade+0x900/0x900 [ 274.973182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.978726] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.984217] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.989686] ? addrconf_rs_timer+0x6f0/0x6f0 [ 274.994128] ndisc_alloc_skb+0x144/0x340 [ 274.998239] ndisc_send_rs+0x331/0x6e0 [ 275.002170] addrconf_rs_timer+0x3c0/0x6f0 [ 275.006428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.010710] call_timer_fn+0x272/0x920 [ 275.014617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.018865] ? process_timeout+0x40/0x40 [ 275.022940] ? find_held_lock+0x36/0x1c0 [ 275.027028] ? mark_held_locks+0xc7/0x130 [ 275.031191] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.035703] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.040210] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.044457] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 275.049049] ? trace_hardirqs_on+0xbd/0x310 [ 275.053374] ? kasan_check_read+0x11/0x20 [ 275.057529] ? __run_timers+0x7da/0xc70 [ 275.061509] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.066968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.071222] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.075462] __run_timers+0x7e5/0xc70 [ 275.079277] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 275.084648] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 275.089669] ? graph_lock+0x170/0x170 [ 275.093479] ? print_usage_bug+0xc0/0xc0 [ 275.097539] ? lock_release+0x970/0x970 [ 275.101518] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 275.106717] ? find_held_lock+0x36/0x1c0 [ 275.110790] ? graph_lock+0x170/0x170 [ 275.114596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.120139] ? check_preemption_disabled+0x48/0x200 [ 275.125170] ? __lock_is_held+0xb5/0x140 [ 275.129234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.134779] ? check_preemption_disabled+0x48/0x200 [ 275.139807] run_timer_softirq+0x52/0xb0 [ 275.143873] ? rcu_read_lock_sched_held+0x108/0x120 [ 275.148899] __do_softirq+0x30b/0xad8 [ 275.152716] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 275.157827] ? pvclock_read_flags+0x160/0x160 [ 275.162326] ? lapic_next_event+0x5a/0x90 [ 275.166485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.172025] ? check_preemption_disabled+0x48/0x200 [ 275.177043] ? check_preemption_disabled+0x48/0x200 [ 275.182072] ? kvm_clock_read+0x18/0x30 [ 275.186047] ? kvm_sched_clock_read+0x9/0x20 [ 275.190465] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.196012] ? check_preemption_disabled+0x48/0x200 [ 275.201045] irq_exit+0x17f/0x1c0 [ 275.204508] smp_apic_timer_interrupt+0x1cb/0x760 [ 275.209360] ? smp_call_function_single_interrupt+0x650/0x650 [ 275.215333] ? interrupt_entry+0xb5/0xf0 [ 275.219399] ? trace_hardirqs_off_caller+0xbb/0x300 [ 275.224417] ? trace_hardirqs_off_caller+0xbb/0x300 [ 275.229440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.234287] ? trace_hardirqs_off+0x300/0x300 [ 275.238788] ? trace_hardirqs_off+0x300/0x300 [ 275.243291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.248828] ? check_preemption_disabled+0x48/0x200 [ 275.253848] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.259397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.264251] apic_timer_interrupt+0xf/0x20 [ 275.268483] [ 275.270723] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 275.276094] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 275.295005] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 275.302720] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 275.310007] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 275.317283] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 275.324554] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 275.331823] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 275.339124] ? page_evictable+0x35d/0x540 [ 275.343303] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 275.348851] page_evictable+0x36b/0x540 [ 275.352836] ? kswapd_stop+0x100/0x100 [ 275.356741] ? ___might_sleep+0x1ed/0x300 [ 275.360906] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.366372] ? arch_local_save_flags+0x40/0x40 [ 275.370964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.376515] ? check_preemption_disabled+0x48/0x200 [ 275.381548] shrink_active_list+0x845/0x1c20 [ 275.385970] ? free_unref_page_list+0xc0f/0x11e0 [ 275.390774] ? shrink_inactive_list+0x1c60/0x1c60 [ 275.395639] ? graph_lock+0x170/0x170 [ 275.399444] ? __page_frag_cache_drain+0x200/0x200 [ 275.404373] ? print_usage_bug+0xc0/0xc0 [ 275.408451] ? find_held_lock+0x36/0x1c0 [ 275.412517] ? graph_lock+0x170/0x170 [ 275.416322] ? mark_held_locks+0xc7/0x130 [ 275.420475] ? check_preemption_disabled+0x48/0x200 [ 275.425491] ? check_preemption_disabled+0x48/0x200 [ 275.430516] ? graph_lock+0x170/0x170 [ 275.434319] ? __lock_is_held+0xb5/0x140 [ 275.438389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.443944] ? check_preemption_disabled+0x48/0x200 [ 275.448992] ? __lock_is_held+0xb5/0x140 [ 275.453080] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 275.458104] ? inactive_list_is_low+0x305/0x880 [ 275.462789] ? lruvec_lru_size+0x450/0x450 [ 275.467025] ? kasan_check_read+0x11/0x20 [ 275.471190] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 275.476136] shrink_node_memcg+0x803/0x18e0 [ 275.480490] ? shrink_active_list+0x1c20/0x1c20 [ 275.485170] ? lockdep_hardirqs_on+0x421/0x5c0 [ 275.489766] ? trace_hardirqs_on+0xbd/0x310 [ 275.494097] ? vmpressure+0x294/0x310 [ 275.497910] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.503401] shrink_node+0x3bc/0x16b0 [ 275.507211] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 275.512519] ? shrink_node_memcg+0x18e0/0x18e0 [ 275.517108] ? lockdep_hardirqs_on+0x421/0x5c0 [ 275.521698] ? trace_hardirqs_on+0xbd/0x310 [ 275.526035] ? vmpressure+0x294/0x310 [ 275.529845] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.534262] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 275.538865] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 275.544430] ? __cpuset_node_allowed+0x19b/0x660 [ 275.549213] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 275.554941] ? vmpressure+0x1c9/0x310 [ 275.558779] do_try_to_free_pages+0x3e7/0x1290 [ 275.563398] ? shrink_node+0x16b0/0x16b0 [ 275.567480] ? __lock_is_held+0xb5/0x140 [ 275.571575] try_to_free_pages+0x4d0/0xb90 [ 275.575826] ? do_try_to_free_pages+0x1290/0x1290 [ 275.580684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.586253] ? lock_acquire+0x1ed/0x520 [ 275.590241] ? set_page_refcounted+0x280/0x280 [ 275.594835] ? lock_release+0x970/0x970 [ 275.598819] ? ___might_sleep+0x1ed/0x300 [ 275.602982] ? arch_local_save_flags+0x40/0x40 [ 275.607572] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 275.612595] ? __radix_tree_lookup+0x358/0x4c0 [ 275.617187] __alloc_pages_slowpath+0x993/0x2d80 [ 275.621986] ? kasan_check_read+0x11/0x20 [ 275.626142] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.631427] ? warn_alloc+0x120/0x120 [ 275.635316] ? __radix_tree_lookup+0x4c0/0x4c0 [ 275.639919] ? find_get_entry+0x2f2/0xc40 [ 275.644083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.649624] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 275.654556] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.660100] ? should_fail+0x22d/0xd01 [ 275.664002] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.669110] ? __lock_is_held+0xb5/0x140 [ 275.673172] ? graph_lock+0x170/0x170 [ 275.676989] ? graph_lock+0x170/0x170 [ 275.680815] ? __lock_is_held+0xb5/0x140 [ 275.684886] ? __lock_acquire+0x7ec/0x4ec0 [ 275.689130] ? ___might_sleep+0x1ed/0x300 [ 275.693280] ? lock_release+0x970/0x970 [ 275.697263] ? arch_local_save_flags+0x40/0x40 [ 275.701884] ? __might_sleep+0x95/0x190 [ 275.705881] __alloc_pages_nodemask+0xa80/0xde0 [ 275.710564] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 275.715590] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 275.721389] ? kasan_check_read+0x11/0x20 [ 275.725544] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.730827] ? graph_lock+0x170/0x170 [ 275.734635] ? print_usage_bug+0xc0/0xc0 [ 275.738703] ? graph_lock+0x170/0x170 [ 275.742506] ? graph_lock+0x170/0x170 [ 275.746315] ? __do_page_cache_readahead+0x7ce/0x980 [ 275.751426] ? find_held_lock+0x36/0x1c0 [ 275.755497] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 275.761044] alloc_pages_current+0x10c/0x210 [ 275.765463] ? lock_downgrade+0x900/0x900 [ 275.769619] __page_cache_alloc+0x38f/0x5b0 [ 275.773956] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 275.779771] ? kasan_check_read+0x11/0x20 [ 275.783934] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.789236] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 275.793926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.799494] ? check_preemption_disabled+0x48/0x200 [ 275.804543] filemap_fault+0x1594/0x25f0 [ 275.808640] ? __lock_page_or_retry+0xa00/0xa00 [ 275.813331] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 275.819134] ? kasan_check_read+0x11/0x20 [ 275.823292] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.828577] ? rcu_bh_qs+0xc0/0xc0 [ 275.832375] ? print_usage_bug+0xc0/0xc0 [ 275.836447] ? filemap_map_pages+0xdea/0x1980 [ 275.840950] ? print_usage_bug+0xc0/0xc0 [ 275.845032] ? find_get_pages_range_tag+0x1320/0x1320 [ 275.850223] ? print_usage_bug+0xc0/0xc0 [ 275.854293] ? __lock_acquire+0x7ec/0x4ec0 [ 275.858530] ? graph_lock+0x170/0x170 [ 275.862334] ? __sigqueue_free.part.27+0x7d/0xa0 [ 275.867098] ? __lock_acquire+0x7ec/0x4ec0 [ 275.871349] ? lock_acquire+0x1ed/0x520 [ 275.875327] ? ext4_filemap_fault+0x7a/0xad [ 275.879657] ? lock_release+0x970/0x970 [ 275.883635] ? arch_local_save_flags+0x40/0x40 [ 275.888224] ? mark_held_locks+0x130/0x130 [ 275.892479] ? down_read+0xb0/0x1d0 [ 275.896107] ? ext4_filemap_fault+0x7a/0xad [ 275.900429] ? __down_interruptible+0x700/0x700 [ 275.905102] ? graph_lock+0x170/0x170 [ 275.908906] ? __sigqueue_free.part.27+0x7d/0xa0 [ 275.913679] ext4_filemap_fault+0x82/0xad [ 275.917837] __do_fault+0x100/0x6b0 [ 275.921472] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.926755] ? print_bad_pte+0x6c0/0x6c0 [ 275.930827] ? pmd_val+0x88/0x100 [ 275.934282] ? add_mm_counter_fast+0xd0/0xd0 [ 275.938693] ? pmd_val+0x88/0x100 [ 275.942148] ? add_mm_counter_fast+0xd0/0xd0 [ 275.946568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.952121] __handle_mm_fault+0x3709/0x53e0 [ 275.956551] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 275.961877] ? graph_lock+0x170/0x170 [ 275.965683] ? print_usage_bug+0xc0/0xc0 [ 275.969751] ? graph_lock+0x170/0x170 [ 275.973569] ? graph_lock+0x170/0x170 [ 275.977393] ? handle_mm_fault+0x42a/0xc70 [ 275.981634] ? lock_downgrade+0x900/0x900 [ 275.985788] ? check_preemption_disabled+0x48/0x200 [ 275.990817] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 275.996615] ? kasan_check_read+0x11/0x20 [ 276.000779] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.006063] ? rcu_bh_qs+0xc0/0xc0 [ 276.009614] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.015085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.020626] ? check_preemption_disabled+0x48/0x200 [ 276.025658] handle_mm_fault+0x54f/0xc70 [ 276.029731] ? __handle_mm_fault+0x53e0/0x53e0 [ 276.034326] ? find_vma+0x34/0x190 [ 276.037880] __do_page_fault+0x67d/0xed0 [ 276.041950] ? mm_fault_error+0x380/0x380 [ 276.046115] ? syscall_slow_exit_work+0x520/0x520 [ 276.050970] do_page_fault+0xf2/0x7e0 [ 276.054792] ? vmalloc_sync_all+0x30/0x30 [ 276.058946] ? error_entry+0x70/0xd0 [ 276.062676] ? trace_hardirqs_off_caller+0xbb/0x300 [ 276.067699] ? trace_hardirqs_on_caller+0xc0/0x300 [ 276.072634] ? syscall_return_slowpath+0x5e0/0x5e0 [ 276.077569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.082419] ? trace_hardirqs_off+0x300/0x300 [ 276.086914] ? trace_hardirqs_off_caller+0x300/0x300 [ 276.092029] ? prepare_exit_to_usermode+0x291/0x3b0 [ 276.097049] ? page_fault+0x8/0x30 [ 276.100627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.105475] ? page_fault+0x8/0x30 [ 276.109022] page_fault+0x1e/0x30 [ 276.112478] RIP: 0033:0x45db60 [ 276.115677] Code: Bad RIP value. [ 276.119039] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 276.124407] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 276.131675] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 276.138942] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 276.146220] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 276.153491] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 276.160800] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 276.160806] warn_alloc_show_mem: 1 callbacks suppressed [ 276.160814] Mem-Info: [ 276.168094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.173462] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 276.173462] active_file:15 inactive_file:16 isolated_file:2 [ 276.173462] unevictable:0 dirty:0 writeback:0 unstable:0 [ 276.173462] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 276.173462] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 276.173462] free:13788 free_pcp:262 free_cma:0 [ 276.175833] Call Trace: [ 276.185223] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 276.218089] [ 276.220660] Node 0 [ 276.248366] dump_stack+0x1c4/0x2b4 [ 276.250512] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 276.252720] ? dump_stack_print_info.cold.2+0x52/0x52 [ 276.256329] lowmem_reserve[]: [ 276.281882] warn_alloc.cold.118+0xb7/0x1bd [ 276.287039] 0 [ 276.290144] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.294467] 2815 6318 [ 276.296293] ? lock_downgrade+0x900/0x900 [ 276.301104] 6318 [ 276.303603] ? trace_hardirqs_off+0xb8/0x300 [ 276.309809] ? trace_hardirqs_off+0xb8/0x300 [ 276.314177] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 276.318612] __alloc_pages_slowpath+0x2667/0x2d80 [ 276.318655] ? warn_alloc+0x120/0x120 [ 276.346189] lowmem_reserve[]: 0 [ 276.351049] ? trace_hardirqs_on+0x310/0x310 [ 276.354815] 0 [ 276.358093] ? warn_alloc+0x120/0x120 [ 276.362476] 3503 [ 276.364281] ? print_usage_bug+0xc0/0xc0 [ 276.368051] 3503 [ 276.370108] ? warn_alloc+0x120/0x120 [ 276.376200] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 276.379972] Node 0 [ 276.384993] ? print_usage_bug+0xc0/0xc0 [ 276.385025] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 276.385033] lowmem_reserve[]: [ 276.387275] ? __lock_acquire+0x7ec/0x4ec0 [ 276.391306] 0 [ 276.419701] ? __lock_acquire+0x7ec/0x4ec0 [ 276.422783] 0 [ 276.427019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.428797] 0 [ 276.433031] ? should_fail+0x22d/0xd01 [ 276.434810] 0 [ 276.440344] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.446010] ? __lock_acquire+0x7ec/0x4ec0 [ 276.447790] Node 0 [ 276.452888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.457093] DMA: [ 276.459327] ? __lock_acquire+0x7ec/0x4ec0 [ 276.464407] 1*4kB [ 276.466464] ? should_fail+0x22d/0xd01 [ 276.470673] (U) [ 276.472816] ? print_usage_bug+0xc0/0xc0 [ 276.476677] 0*8kB [ 276.478654] ? mark_held_locks+0x130/0x130 [ 276.482683] 0*16kB 1*32kB [ 276.484840] ? mark_held_locks+0x130/0x130 [ 276.489047] (U) [ 276.491890] ? graph_lock+0x170/0x170 [ 276.496096] 2*64kB [ 276.498069] ? print_usage_bug+0xc0/0xc0 [ 276.501842] (U) [ 276.504077] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.508106] 1*128kB (U) [ 276.510093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.514820] 1*256kB [ 276.517491] ? check_preemption_disabled+0x48/0x200 [ 276.523005] (U) [ 276.525323] ? check_preemption_disabled+0x48/0x200 [ 276.530319] 0*512kB [ 276.532297] ? __lock_is_held+0xb5/0x140 [ 276.537284] 1*1024kB [ 276.539607] __alloc_pages_nodemask+0xa80/0xde0 [ 276.543638] (U) [ 276.546042] ? graph_lock+0x170/0x170 [ 276.550687] 1*2048kB [ 276.552659] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 276.556432] (M) [ 276.558837] ? graph_lock+0x170/0x170 [ 276.563827] 3*4096kB [ 276.565805] ? find_held_lock+0x36/0x1c0 [ 276.569572] (M) [ 276.571990] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.576017] = 15908kB [ 276.577994] ? lock_downgrade+0x900/0x900 [ 276.582635] Node 0 [ 276.585045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.589158] DMA32: 3*4kB [ 276.591404] cache_grow_begin+0x91/0x8c0 [ 276.596918] (M) [ 276.599675] ? do_raw_spin_unlock+0xa7/0x2f0 [ 276.603707] 2*8kB [ 276.605679] fallback_alloc+0x203/0x2e0 [ 276.610059] (M) [ 276.612208] ____cache_alloc_node+0x1c7/0x1e0 [ 276.616146] 1*16kB (M) [ 276.618134] kmem_cache_alloc_node+0xe3/0x730 [ 276.622601] 1*32kB [ 276.625187] ? ipv6_get_ifaddr+0x42e/0x620 [ 276.629683] (M) 3*64kB [ 276.631950] __alloc_skb+0x119/0x770 [ 276.636151] (UM) [ 276.638743] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.642421] 3*128kB (M) [ 276.644493] ? skb_scrub_packet+0x490/0x490 [ 276.649745] 2*256kB [ 276.652417] ? lock_downgrade+0x900/0x900 [ 276.656709] (M) [ 276.659036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.663153] 3*512kB [ 276.665129] ? refcount_sub_and_test_checked+0x203/0x310 [ 276.670633] (M) [ 276.672954] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 276.678374] 4*1024kB (UM) [ 276.680357] ? addrconf_rs_timer+0x6f0/0x6f0 [ 276.685785] 3*2048kB [ 276.688636] ndisc_alloc_skb+0x144/0x340 [ 276.693005] (UM) [ 276.695414] ndisc_send_rs+0x331/0x6e0 [ 276.699440] 3*4096kB (M) [ 276.701510] addrconf_rs_timer+0x3c0/0x6f0 [ 276.705365] = 25228kB [ 276.705373] Node 0 [ 276.708127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.712332] Normal: [ 276.714745] call_timer_fn+0x272/0x920 [ 276.716950] 866*4kB [ 276.721180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.723476] (ME) [ 276.727358] ? process_timeout+0x40/0x40 [ 276.729658] 469*8kB [ 276.733887] ? find_held_lock+0x36/0x1c0 [ 276.735923] (UME) [ 276.739993] ? __run_timers+0x7da/0xc70 [ 276.742286] 197*16kB [ 276.746340] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.748464] (UME) [ 276.752430] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.754819] 59*32kB [ 276.759311] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.761431] (UME) [ 276.765923] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 276.768219] 18*64kB [ 276.772446] ? trace_hardirqs_on+0xbd/0x310 [ 276.774572] (ME) [ 276.779152] ? kasan_check_read+0x11/0x20 [ 276.781455] 3*128kB [ 276.785771] ? __run_timers+0x7da/0xc70 [ 276.787808] (M) [ 276.791953] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.794254] 1*256kB [ 276.798228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.800178] (U) [ 276.805627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.807929] 0*512kB [ 276.812164] __run_timers+0x7e5/0xc70 [ 276.814112] 0*1024kB [ 276.818347] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 276.820635] 0*2048kB [ 276.824430] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.826806] 0*4096kB = 14048kB [ 276.832172] ? graph_lock+0x170/0x170 [ 276.834563] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 276.839563] ? enqueue_hrtimer+0x1a5/0x560 [ 276.842736] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 276.846521] ? lock_release+0x970/0x970 [ 276.855331] 412 total pagecache pages [ 276.859556] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.868112] 0 pages in swap cache [ 276.872074] ? find_held_lock+0x36/0x1c0 [ 276.875851] Swap cache stats: add 0, delete 0, find 0/0 [ 276.881034] ? graph_lock+0x170/0x170 [ 276.884462] Free swap = 0kB [ 276.888515] ? pvclock_read_flags+0x160/0x160 [ 276.893852] Total swap = 0kB [ 276.897651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.900645] 1965979 pages RAM [ 276.905137] ? check_preemption_disabled+0x48/0x200 [ 276.908131] 0 pages HighMem/MovableOnly [ 276.913667] ? __lock_is_held+0xb5/0x140 [ 276.916734] 343323 pages reserved [ 276.916743] 0 pages cma reserved [ 276.921757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.925787] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.929755] ? check_preemption_disabled+0x48/0x200 [ 276.929778] run_timer_softirq+0x52/0xb0 [ 276.929795] ? rcu_read_lock_sched_held+0x108/0x120 [ 276.929816] __do_softirq+0x30b/0xad8 [ 276.933317] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.936624] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.942130] syz-fuzzer cpuset= [ 276.948621] ? pvclock_read_flags+0x160/0x160 [ 276.953611] / [ 276.957675] ? lapic_next_event+0x5a/0x90 [ 276.962671] mems_allowed=0 [ 276.966469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.003730] ? check_preemption_disabled+0x48/0x200 [ 277.008757] ? check_preemption_disabled+0x48/0x200 [ 277.013785] ? kvm_clock_read+0x18/0x30 [ 277.017762] ? kvm_sched_clock_read+0x9/0x20 [ 277.022179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.027719] ? check_preemption_disabled+0x48/0x200 [ 277.032756] irq_exit+0x17f/0x1c0 [ 277.036223] smp_apic_timer_interrupt+0x1cb/0x760 [ 277.041068] ? smp_reschedule_interrupt+0x109/0x650 [ 277.046090] ? smp_call_function_single_interrupt+0x650/0x650 [ 277.051987] ? interrupt_entry+0xb5/0xf0 [ 277.056057] ? trace_hardirqs_off_caller+0xbb/0x300 [ 277.061076] ? trace_hardirqs_off_caller+0xbb/0x300 [ 277.066096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.070942] ? trace_hardirqs_off+0x300/0x300 [ 277.075449] ? trace_hardirqs_off+0x300/0x300 [ 277.079948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.085497] ? check_preemption_disabled+0x48/0x200 [ 277.090518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.096068] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.100922] apic_timer_interrupt+0xf/0x20 [ 277.105154] [ 277.107398] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 277.112333] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 277.131249] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 277.138992] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 277.146270] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 277.153540] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 277.160811] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 277.168079] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 277.175400] skb_clone+0x1bb/0x500 [ 277.178951] ? skb_split+0x11e0/0x11e0 [ 277.182860] ? dev_forward_skb+0x4c/0x60 [ 277.186933] ? __bpf_redirect+0x54b/0xb20 [ 277.191090] ? __switch_to_asm+0x34/0x70 [ 277.195166] bpf_clone_redirect+0xb9/0x490 [ 277.199417] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 277.204443] ? __sched_text_start+0x8/0x8 [ 277.208599] ? lockdep_hardirqs_on+0x421/0x5c0 [ 277.213194] ? retint_kernel+0x2d/0x2d [ 277.217090] ? trace_hardirqs_on_caller+0xc0/0x300 [ 277.222033] ? find_held_lock+0x36/0x1c0 [ 277.226110] ? lock_acquire+0x1ed/0x520 [ 277.230092] ? bpf_test_run+0x32e/0x5a0 [ 277.234073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.239611] ? check_preemption_disabled+0x48/0x200 [ 277.244636] ? kasan_check_read+0x11/0x20 [ 277.248793] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.254076] ? rcu_bh_qs+0xc0/0xc0 [ 277.257624] ? preempt_schedule+0x4d/0x60 [ 277.261778] ? ___preempt_schedule+0x16/0x18 [ 277.266198] ? bpf_test_run+0x1c0/0x5a0 [ 277.270185] ? netlink_diag_dump+0x2a0/0x2a0 [ 277.274602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.280146] ? bpf_test_init.isra.9+0x70/0x100 [ 277.284756] ? bpf_prog_test_run_skb+0x634/0xb40 [ 277.289531] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 277.294377] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 277.299915] ? fput+0x130/0x1a0 [ 277.303197] ? __bpf_prog_get+0x9b/0x290 [ 277.307269] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 277.312113] ? bpf_prog_test_run+0x130/0x1a0 [ 277.316526] ? __x64_sys_bpf+0x3d8/0x510 [ 277.320587] ? bpf_prog_get+0x20/0x20 [ 277.324397] ? ksys_ioctl+0x81/0xd0 [ 277.328037] ? do_syscall_64+0x1b9/0x820 [ 277.332102] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 277.337474] ? syscall_return_slowpath+0x5e0/0x5e0 [ 277.342413] ? trace_hardirqs_off+0x300/0x300 [ 277.346913] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 277.351932] ? recalc_sigpending_tsk+0x180/0x180 [ 277.356721] ? kasan_check_write+0x14/0x20 [ 277.360963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.365826] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 277.371207] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 277.371303] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 277.378130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.378136] Call Trace: [ 277.378143] [ 277.378160] dump_stack+0x1c4/0x2b4 [ 277.378177] ? dump_stack_print_info.cold.2+0x52/0x52 [ 277.384717] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 277.394031] warn_alloc.cold.118+0xb7/0x1bd [ 277.396580] syz-executor0 cpuset= [ 277.398728] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 277.402328] syz0 [ 277.407531] ? lock_downgrade+0x900/0x900 [ 277.418011] mems_allowed=0 [ 277.422339] ? trace_hardirqs_off+0xb8/0x300 [ 277.444022] ? trace_hardirqs_off+0xb8/0x300 [ 277.448454] __alloc_pages_slowpath+0x2667/0x2d80 [ 277.453336] ? warn_alloc+0x120/0x120 [ 277.457145] ? warn_alloc+0x120/0x120 [ 277.460951] ? print_usage_bug+0xc0/0xc0 [ 277.465033] ? warn_alloc+0x120/0x120 [ 277.468842] ? print_usage_bug+0xc0/0xc0 [ 277.472917] ? __lock_acquire+0x7ec/0x4ec0 [ 277.477162] ? __lock_acquire+0x7ec/0x4ec0 [ 277.481415] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.486986] ? should_fail+0x22d/0xd01 [ 277.490894] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.496018] ? __lock_acquire+0x7ec/0x4ec0 [ 277.500268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.505396] ? __lock_acquire+0x7ec/0x4ec0 [ 277.509655] ? should_fail+0x22d/0xd01 [ 277.513564] ? mark_held_locks+0x130/0x130 [ 277.517818] ? mark_held_locks+0x130/0x130 [ 277.522070] ? graph_lock+0x170/0x170 [ 277.525874] ? graph_lock+0x170/0x170 [ 277.529685] ? graph_lock+0x170/0x170 [ 277.533507] ? print_usage_bug+0xc0/0xc0 [ 277.537577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.543132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.548689] ? check_preemption_disabled+0x48/0x200 [ 277.553729] ? check_preemption_disabled+0x48/0x200 [ 277.558792] ? __lock_is_held+0xb5/0x140 [ 277.562876] __alloc_pages_nodemask+0xa80/0xde0 [ 277.567555] ? graph_lock+0x170/0x170 [ 277.571387] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 277.576417] ? graph_lock+0x170/0x170 [ 277.580245] ? find_held_lock+0x36/0x1c0 [ 277.584341] ? ____cache_alloc_node+0x1c7/0x1e0 [ 277.589039] ? lock_downgrade+0x900/0x900 [ 277.593210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.598769] cache_grow_begin+0x91/0x8c0 [ 277.602841] ? do_raw_spin_unlock+0xa7/0x2f0 [ 277.607269] fallback_alloc+0x203/0x2e0 [ 277.611258] ____cache_alloc_node+0x1c7/0x1e0 [ 277.615770] kmem_cache_alloc_node+0xe3/0x730 [ 277.620274] ? ipv6_get_ifaddr+0x42e/0x620 [ 277.624531] __alloc_skb+0x119/0x770 [ 277.628254] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.633542] ? skb_scrub_packet+0x490/0x490 [ 277.637869] ? lock_downgrade+0x900/0x900 [ 277.642033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.647581] ? refcount_sub_and_test_checked+0x203/0x310 [ 277.653039] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 277.658498] ? addrconf_rs_timer+0x6f0/0x6f0 [ 277.662929] ndisc_alloc_skb+0x144/0x340 [ 277.667012] ndisc_send_rs+0x331/0x6e0 [ 277.670911] addrconf_rs_timer+0x3c0/0x6f0 [ 277.675156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.679409] call_timer_fn+0x272/0x920 [ 277.683304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.687547] ? process_timeout+0x40/0x40 [ 277.691611] ? find_held_lock+0x36/0x1c0 [ 277.695681] ? mark_held_locks+0xc7/0x130 [ 277.699856] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.704359] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.708855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.713095] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 277.717683] ? trace_hardirqs_on+0xbd/0x310 [ 277.722009] ? kasan_check_read+0x11/0x20 [ 277.726163] ? __run_timers+0x7da/0xc70 [ 277.730145] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.735610] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.739859] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.744106] __run_timers+0x7e5/0xc70 [ 277.747933] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 277.753310] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 277.758340] ? graph_lock+0x170/0x170 [ 277.762154] ? print_usage_bug+0xc0/0xc0 [ 277.766215] ? lock_release+0x970/0x970 [ 277.770196] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 277.775398] ? find_held_lock+0x36/0x1c0 [ 277.779820] ? graph_lock+0x170/0x170 [ 277.783629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.789168] ? check_preemption_disabled+0x48/0x200 [ 277.794204] ? __lock_is_held+0xb5/0x140 [ 277.798289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.803832] ? check_preemption_disabled+0x48/0x200 [ 277.808862] run_timer_softirq+0x52/0xb0 [ 277.812934] ? rcu_read_lock_sched_held+0x108/0x120 [ 277.817964] __do_softirq+0x30b/0xad8 [ 277.821796] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 277.826913] ? pvclock_read_flags+0x160/0x160 [ 277.831637] ? lapic_next_event+0x5a/0x90 [ 277.835798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.841334] ? check_preemption_disabled+0x48/0x200 [ 277.846349] ? check_preemption_disabled+0x48/0x200 [ 277.851370] ? kvm_clock_read+0x18/0x30 [ 277.855349] ? kvm_sched_clock_read+0x9/0x20 [ 277.859791] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.865332] ? check_preemption_disabled+0x48/0x200 [ 277.870361] irq_exit+0x17f/0x1c0 [ 277.873827] smp_apic_timer_interrupt+0x1cb/0x760 [ 277.878678] ? smp_call_function_single_interrupt+0x650/0x650 [ 277.884570] ? interrupt_entry+0xb5/0xf0 [ 277.888640] ? trace_hardirqs_off_caller+0xbb/0x300 [ 277.893672] ? trace_hardirqs_off_caller+0xbb/0x300 [ 277.898711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.903572] ? trace_hardirqs_off+0x300/0x300 [ 277.908085] ? trace_hardirqs_off+0x300/0x300 [ 277.912606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.918171] ? check_preemption_disabled+0x48/0x200 [ 277.923207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.928777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.933646] apic_timer_interrupt+0xf/0x20 [ 277.937885] [ 277.940142] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 277.945527] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 277.964919] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 277.972645] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 277.979916] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 277.987190] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 277.994470] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 278.001755] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 278.009064] ? page_evictable+0x35d/0x540 [ 278.013921] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 278.019463] page_evictable+0x36b/0x540 [ 278.023450] ? kswapd_stop+0x100/0x100 [ 278.027346] ? ___might_sleep+0x1ed/0x300 [ 278.031499] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.036954] ? arch_local_save_flags+0x40/0x40 [ 278.041551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.047092] ? check_preemption_disabled+0x48/0x200 [ 278.052119] shrink_active_list+0x845/0x1c20 [ 278.056534] ? free_unref_page_list+0xc0f/0x11e0 [ 278.061311] ? shrink_inactive_list+0x1c60/0x1c60 [ 278.066175] ? graph_lock+0x170/0x170 [ 278.069992] ? __page_frag_cache_drain+0x200/0x200 [ 278.074924] ? print_usage_bug+0xc0/0xc0 [ 278.079015] ? find_held_lock+0x36/0x1c0 [ 278.083087] ? graph_lock+0x170/0x170 [ 278.086890] ? mark_held_locks+0xc7/0x130 [ 278.091044] ? check_preemption_disabled+0x48/0x200 [ 278.096061] ? check_preemption_disabled+0x48/0x200 [ 278.101090] ? graph_lock+0x170/0x170 [ 278.104895] ? __lock_is_held+0xb5/0x140 [ 278.108961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.114514] ? check_preemption_disabled+0x48/0x200 [ 278.119556] ? __lock_is_held+0xb5/0x140 [ 278.123644] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.128666] ? inactive_list_is_low+0x305/0x880 [ 278.133347] ? lruvec_lru_size+0x450/0x450 [ 278.137585] ? kasan_check_read+0x11/0x20 [ 278.141750] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 278.146699] shrink_node_memcg+0x803/0x18e0 [ 278.151050] ? shrink_active_list+0x1c20/0x1c20 [ 278.155732] ? lockdep_hardirqs_on+0x421/0x5c0 [ 278.160327] ? trace_hardirqs_on+0xbd/0x310 [ 278.164655] ? vmpressure+0x294/0x310 [ 278.168463] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.173939] shrink_node+0x3bc/0x16b0 [ 278.177744] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 278.183053] ? shrink_node_memcg+0x18e0/0x18e0 [ 278.187639] ? lockdep_hardirqs_on+0x421/0x5c0 [ 278.192232] ? trace_hardirqs_on+0xbd/0x310 [ 278.196559] ? vmpressure+0x294/0x310 [ 278.200369] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.204800] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 278.209396] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 278.214936] ? __cpuset_node_allowed+0x19b/0x660 [ 278.219697] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 278.225444] ? vmpressure+0x1c9/0x310 [ 278.229269] do_try_to_free_pages+0x3e7/0x1290 [ 278.233882] ? shrink_node+0x16b0/0x16b0 [ 278.237958] ? __lock_is_held+0xb5/0x140 [ 278.242049] try_to_free_pages+0x4d0/0xb90 [ 278.246295] ? do_try_to_free_pages+0x1290/0x1290 [ 278.251142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.256725] ? lock_acquire+0x1ed/0x520 [ 278.260724] ? set_page_refcounted+0x280/0x280 [ 278.265326] ? lock_release+0x970/0x970 [ 278.269312] ? ___might_sleep+0x1ed/0x300 [ 278.273470] ? arch_local_save_flags+0x40/0x40 [ 278.278056] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.283080] ? __radix_tree_lookup+0x358/0x4c0 [ 278.287672] __alloc_pages_slowpath+0x993/0x2d80 [ 278.292465] ? kasan_check_read+0x11/0x20 [ 278.296621] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.301917] ? warn_alloc+0x120/0x120 [ 278.305721] ? __radix_tree_lookup+0x4c0/0x4c0 [ 278.310317] ? find_get_entry+0x2f2/0xc40 [ 278.314480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.320022] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 278.324956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.330505] ? should_fail+0x22d/0xd01 [ 278.334404] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.339512] ? __lock_is_held+0xb5/0x140 [ 278.343576] ? graph_lock+0x170/0x170 [ 278.347383] ? graph_lock+0x170/0x170 [ 278.351206] ? __lock_is_held+0xb5/0x140 [ 278.355275] ? __lock_acquire+0x7ec/0x4ec0 [ 278.359518] ? ___might_sleep+0x1ed/0x300 [ 278.363667] ? lock_release+0x970/0x970 [ 278.367647] ? arch_local_save_flags+0x40/0x40 [ 278.372246] ? __might_sleep+0x95/0x190 [ 278.376233] __alloc_pages_nodemask+0xa80/0xde0 [ 278.380914] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 278.385936] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 278.391737] ? kasan_check_read+0x11/0x20 [ 278.395891] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.401175] ? graph_lock+0x170/0x170 [ 278.404992] ? print_usage_bug+0xc0/0xc0 [ 278.409062] ? graph_lock+0x170/0x170 [ 278.412864] ? graph_lock+0x170/0x170 [ 278.416673] ? __do_page_cache_readahead+0x7ce/0x980 [ 278.421789] ? find_held_lock+0x36/0x1c0 [ 278.425866] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 278.431415] alloc_pages_current+0x10c/0x210 [ 278.435827] ? lock_downgrade+0x900/0x900 [ 278.439994] __page_cache_alloc+0x38f/0x5b0 [ 278.444327] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 278.450131] ? kasan_check_read+0x11/0x20 [ 278.454288] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.459577] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 278.464252] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.469798] ? check_preemption_disabled+0x48/0x200 [ 278.474823] filemap_fault+0x1594/0x25f0 [ 278.478902] ? __lock_page_or_retry+0xa00/0xa00 [ 278.483575] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 278.489375] ? kasan_check_read+0x11/0x20 [ 278.493527] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.498807] ? rcu_bh_qs+0xc0/0xc0 [ 278.502359] ? print_usage_bug+0xc0/0xc0 [ 278.506432] ? filemap_map_pages+0xdea/0x1980 [ 278.510941] ? print_usage_bug+0xc0/0xc0 [ 278.515021] ? find_get_pages_range_tag+0x1320/0x1320 [ 278.520215] ? print_usage_bug+0xc0/0xc0 [ 278.524280] ? __lock_acquire+0x7ec/0x4ec0 [ 278.528521] ? graph_lock+0x170/0x170 [ 278.533370] ? __sigqueue_free.part.27+0x7d/0xa0 [ 278.538136] ? __lock_acquire+0x7ec/0x4ec0 [ 278.542389] ? lock_acquire+0x1ed/0x520 [ 278.546369] ? ext4_filemap_fault+0x7a/0xad [ 278.550700] ? lock_release+0x970/0x970 [ 278.554689] ? arch_local_save_flags+0x40/0x40 [ 278.559278] ? mark_held_locks+0x130/0x130 [ 278.563532] ? down_read+0xb0/0x1d0 [ 278.567175] ? ext4_filemap_fault+0x7a/0xad [ 278.571512] ? __down_interruptible+0x700/0x700 [ 278.576191] ? graph_lock+0x170/0x170 [ 278.580007] ? __sigqueue_free.part.27+0x7d/0xa0 [ 278.584786] ext4_filemap_fault+0x82/0xad [ 278.588941] __do_fault+0x100/0x6b0 [ 278.592584] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.597866] ? print_bad_pte+0x6c0/0x6c0 [ 278.601935] ? pmd_val+0x88/0x100 [ 278.605389] ? add_mm_counter_fast+0xd0/0xd0 [ 278.609798] ? pmd_val+0x88/0x100 [ 278.613256] ? add_mm_counter_fast+0xd0/0xd0 [ 278.617675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.623225] __handle_mm_fault+0x3709/0x53e0 [ 278.627646] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 278.632492] ? graph_lock+0x170/0x170 [ 278.636296] ? print_usage_bug+0xc0/0xc0 [ 278.640364] ? graph_lock+0x170/0x170 [ 278.644167] ? graph_lock+0x170/0x170 [ 278.648000] ? handle_mm_fault+0x42a/0xc70 [ 278.652244] ? lock_downgrade+0x900/0x900 [ 278.656395] ? check_preemption_disabled+0x48/0x200 [ 278.661430] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 278.667229] ? kasan_check_read+0x11/0x20 [ 278.671384] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.676662] ? rcu_bh_qs+0xc0/0xc0 [ 278.680204] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.685660] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.691198] ? check_preemption_disabled+0x48/0x200 [ 278.696229] handle_mm_fault+0x54f/0xc70 [ 278.700308] ? __handle_mm_fault+0x53e0/0x53e0 [ 278.704941] ? find_vma+0x34/0x190 [ 278.708490] __do_page_fault+0x67d/0xed0 [ 278.712567] ? mm_fault_error+0x380/0x380 [ 278.716724] ? syscall_slow_exit_work+0x520/0x520 [ 278.721575] do_page_fault+0xf2/0x7e0 [ 278.725380] ? vmalloc_sync_all+0x30/0x30 [ 278.729535] ? error_entry+0x70/0xd0 [ 278.733256] ? trace_hardirqs_off_caller+0xbb/0x300 [ 278.738277] ? trace_hardirqs_on_caller+0xc0/0x300 [ 278.743212] ? syscall_return_slowpath+0x5e0/0x5e0 [ 278.748147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.753005] ? trace_hardirqs_off+0x300/0x300 [ 278.757504] ? trace_hardirqs_off_caller+0x300/0x300 [ 278.762617] ? prepare_exit_to_usermode+0x291/0x3b0 [ 278.767659] ? page_fault+0x8/0x30 [ 278.771215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.776068] ? page_fault+0x8/0x30 [ 278.779611] page_fault+0x1e/0x30 [ 278.783070] RIP: 0033:0x45db60 [ 278.786277] Code: Bad RIP value. [ 278.789651] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 278.795024] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 278.802331] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 278.809620] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 278.816913] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 278.824210] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 278.831536] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 278.831542] warn_alloc_show_mem: 1 callbacks suppressed [ 278.831553] Mem-Info: [ 278.838751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.838768] Call Trace: [ 278.844153] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 278.844153] active_file:15 inactive_file:16 isolated_file:2 [ 278.844153] unevictable:0 dirty:0 writeback:0 unstable:0 [ 278.844153] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 278.844153] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 278.844153] free:13788 free_pcp:262 free_cma:0 [ 278.846537] [ 278.855927] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 278.858517] dump_stack+0x1c4/0x2b4 [ 278.891385] Node 0 [ 278.893546] ? dump_stack_print_info.cold.2+0x52/0x52 [ 278.921233] 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 [ 278.924851] warn_alloc.cold.118+0xb7/0x1bd [ 278.927041] lowmem_reserve[]: 0 [ 278.932235] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.957717] 2815 6318 [ 278.962059] ? lock_downgrade+0x900/0x900 [ 278.965301] 6318 [ 278.970142] ? trace_hardirqs_off+0xb8/0x300 [ 278.976753] ? trace_hardirqs_off+0xb8/0x300 [ 278.978797] Node 0 [ 278.983208] __alloc_pages_slowpath+0x2667/0x2d80 [ 278.987610] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 278.989841] ? warn_alloc+0x120/0x120 [ 278.994633] lowmem_reserve[]: [ 279.021628] ? warn_alloc+0x120/0x120 [ 279.025399] 0 [ 279.028504] ? print_usage_bug+0xc0/0xc0 [ 279.032285] 0 [ 279.034085] ? warn_alloc+0x120/0x120 [ 279.038123] 3503 [ 279.039921] ? print_usage_bug+0xc0/0xc0 [ 279.043694] 3503 [ 279.045751] ? __lock_acquire+0x7ec/0x4ec0 [ 279.051851] ? __lock_acquire+0x7ec/0x4ec0 [ 279.056060] Node 0 [ 279.060291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.060324] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 279.060332] lowmem_reserve[]: [ 279.062568] ? should_fail+0x22d/0xd01 [ 279.068083] 0 [ 279.096468] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.099542] 0 [ 279.103430] ? __lock_acquire+0x7ec/0x4ec0 [ 279.105207] 0 [ 279.110302] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.112078] 0 [ 279.116305] ? __lock_acquire+0x7ec/0x4ec0 [ 279.123195] ? should_fail+0x22d/0xd01 [ 279.124974] Node 0 [ 279.129219] ? mark_held_locks+0x130/0x130 [ 279.133074] DMA: [ 279.135306] ? mark_held_locks+0x130/0x130 [ 279.139514] 1*4kB [ 279.141573] ? graph_lock+0x170/0x170 [ 279.145785] (U) [ 279.147929] ? graph_lock+0x170/0x170 [ 279.151700] 0*8kB 0*16kB [ 279.153683] ? graph_lock+0x170/0x170 [ 279.157460] 1*32kB [ 279.160214] ? print_usage_bug+0xc0/0xc0 [ 279.163994] (U) [ 279.166236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.170267] 2*64kB (U) [ 279.172254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.177772] 1*128kB [ 279.180356] ? check_preemption_disabled+0x48/0x200 [ 279.185863] (U) [ 279.188189] ? check_preemption_disabled+0x48/0x200 [ 279.193187] 1*256kB (U) [ 279.195209] ? __lock_is_held+0xb5/0x140 [ 279.200186] 0*512kB [ 279.202860] __alloc_pages_nodemask+0xa80/0xde0 [ 279.206882] 1*1024kB (U) [ 279.209217] ? graph_lock+0x170/0x170 [ 279.213864] 1*2048kB [ 279.216625] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 279.220392] (M) 3*4096kB [ 279.222815] ? graph_lock+0x170/0x170 [ 279.227801] (M) [ 279.230566] ? find_held_lock+0x36/0x1c0 [ 279.234336] = 15908kB [ 279.236313] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.240344] Node 0 [ 279.242747] ? lock_downgrade+0x900/0x900 [ 279.247392] DMA32: 3*4kB [ 279.249640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.253759] (M) [ 279.256519] cache_grow_begin+0x91/0x8c0 [ 279.262029] 2*8kB [ 279.264008] ? do_raw_spin_unlock+0xa7/0x2f0 [ 279.268047] (M) [ 279.270197] fallback_alloc+0x203/0x2e0 [ 279.274575] 1*16kB [ 279.276545] ____cache_alloc_node+0x1c7/0x1e0 [ 279.280491] (M) [ 279.282727] kmem_cache_alloc_node+0xe3/0x730 [ 279.287219] 1*32kB (M) [ 279.289200] ? ipv6_get_ifaddr+0x42e/0x620 [ 279.293659] 3*64kB (UM) [ 279.296256] __alloc_skb+0x119/0x770 [ 279.300454] 3*128kB (M) [ 279.303132] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.306814] 2*256kB [ 279.309476] ? skb_scrub_packet+0x490/0x490 [ 279.314726] (M) [ 279.317050] ? lock_downgrade+0x900/0x900 [ 279.321344] 3*512kB [ 279.323317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.327433] (M) [ 279.329752] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.335272] 4*1024kB [ 279.337242] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.342667] (UM) [ 279.345076] ? addrconf_rs_timer+0x6f0/0x6f0 [ 279.350495] 3*2048kB (UM) [ 279.352573] ndisc_alloc_skb+0x144/0x340 [ 279.356941] 3*4096kB (M) [ 279.359789] ndisc_send_rs+0x331/0x6e0 [ 279.363826] = 25228kB [ 279.366581] addrconf_rs_timer+0x3c0/0x6f0 [ 279.370441] Node 0 [ 279.372848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.377053] Normal: [ 279.379295] call_timer_fn+0x272/0x920 [ 279.383499] 866*4kB [ 279.385815] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.389679] (ME) [ 279.392018] ? process_timeout+0x40/0x40 [ 279.396216] 469*8kB (UME) [ 279.398285] ? find_held_lock+0x36/0x1c0 [ 279.402322] 197*16kB [ 279.405167] ? __run_timers+0x7da/0xc70 [ 279.409193] (UME) 59*32kB [ 279.411613] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.415561] (UME) [ 279.418406] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.422875] 18*64kB [ 279.425019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.429486] (ME) [ 279.431809] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 279.436017] 3*128kB (M) [ 279.438089] ? trace_hardirqs_on+0xbd/0x310 [ 279.442644] 1*256kB [ 279.445309] ? kasan_check_read+0x11/0x20 [ 279.449603] (U) [ 279.451924] ? __run_timers+0x7da/0xc70 [ 279.456041] 0*512kB [ 279.458015] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.461962] 0*1024kB [ 279.464298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.469718] 0*2048kB [ 279.472127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.476337] 0*4096kB [ 279.478745] __run_timers+0x7e5/0xc70 [ 279.482945] = 14048kB [ 279.482960] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 279.485373] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 279.489142] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 279.491541] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 279.500352] 412 total pagecache pages [ 279.505708] ? graph_lock+0x170/0x170 [ 279.514267] 0 pages in swap cache [ 279.519280] ? enqueue_hrtimer+0x1a5/0x560 [ 279.523057] Swap cache stats: add 0, delete 0, find 0/0 [ 279.526850] ? lock_release+0x970/0x970 [ 279.530278] Free swap = 0kB [ 279.534514] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 279.539864] Total swap = 0kB [ 279.543846] ? find_held_lock+0x36/0x1c0 [ 279.546825] 1965979 pages RAM [ 279.552012] ? graph_lock+0x170/0x170 [ 279.555011] 0 pages HighMem/MovableOnly [ 279.559069] ? pvclock_read_flags+0x160/0x160 [ 279.562148] 343323 pages reserved [ 279.565947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.569896] 0 pages cma reserved [ 279.574382] ? check_preemption_disabled+0x48/0x200 [ 279.577885] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.583348] ? __lock_is_held+0xb5/0x140 [ 279.586815] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.591711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.598174] syz-fuzzer cpuset= [ 279.602226] ? check_preemption_disabled+0x48/0x200 [ 279.612424] / [ 279.617956] run_timer_softirq+0x52/0xb0 [ 279.621123] mems_allowed=0 [ 279.626131] ? rcu_read_lock_sched_held+0x108/0x120 [ 279.639800] __do_softirq+0x30b/0xad8 [ 279.643614] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 279.648728] ? pvclock_read_flags+0x160/0x160 [ 279.653227] ? lapic_next_event+0x5a/0x90 [ 279.657385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.662924] ? check_preemption_disabled+0x48/0x200 [ 279.667942] ? check_preemption_disabled+0x48/0x200 [ 279.672974] ? kvm_clock_read+0x18/0x30 [ 279.676961] ? kvm_sched_clock_read+0x9/0x20 [ 279.681384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.686924] ? check_preemption_disabled+0x48/0x200 [ 279.691955] irq_exit+0x17f/0x1c0 [ 279.695426] smp_apic_timer_interrupt+0x1cb/0x760 [ 279.700274] ? smp_reschedule_interrupt+0x109/0x650 [ 279.705302] ? smp_call_function_single_interrupt+0x650/0x650 [ 279.711188] ? interrupt_entry+0xb5/0xf0 [ 279.715257] ? trace_hardirqs_off_caller+0xbb/0x300 [ 279.720286] ? trace_hardirqs_off_caller+0xbb/0x300 [ 279.725313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.730162] ? trace_hardirqs_off+0x300/0x300 [ 279.734662] ? trace_hardirqs_off+0x300/0x300 [ 279.739177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.744719] ? check_preemption_disabled+0x48/0x200 [ 279.749739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.755294] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.760153] apic_timer_interrupt+0xf/0x20 [ 279.764386] [ 279.766629] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 279.771566] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 279.790492] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 279.798211] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 279.805483] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 279.812760] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 279.820029] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 279.827314] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 279.835101] skb_clone+0x1bb/0x500 [ 279.838649] ? skb_split+0x11e0/0x11e0 [ 279.842552] ? dev_forward_skb+0x4c/0x60 [ 279.846624] ? __bpf_redirect+0x54b/0xb20 [ 279.850790] ? __switch_to_asm+0x34/0x70 [ 279.854871] bpf_clone_redirect+0xb9/0x490 [ 279.859120] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 279.864147] ? __sched_text_start+0x8/0x8 [ 279.868303] ? lockdep_hardirqs_on+0x421/0x5c0 [ 279.872889] ? retint_kernel+0x2d/0x2d [ 279.876781] ? trace_hardirqs_on_caller+0xc0/0x300 [ 279.881720] ? find_held_lock+0x36/0x1c0 [ 279.885789] ? lock_acquire+0x1ed/0x520 [ 279.889778] ? bpf_test_run+0x32e/0x5a0 [ 279.893758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.899304] ? check_preemption_disabled+0x48/0x200 [ 279.904326] ? kasan_check_read+0x11/0x20 [ 279.908481] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.913759] ? rcu_bh_qs+0xc0/0xc0 [ 279.917307] ? preempt_schedule+0x4d/0x60 [ 279.921458] ? ___preempt_schedule+0x16/0x18 [ 279.925879] ? bpf_test_run+0x1c0/0x5a0 [ 279.929870] ? netlink_diag_dump+0x2a0/0x2a0 [ 279.934289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.939829] ? bpf_test_init.isra.9+0x70/0x100 [ 279.944420] ? bpf_prog_test_run_skb+0x634/0xb40 [ 279.949189] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 279.954036] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 279.959574] ? fput+0x130/0x1a0 [ 279.963068] ? __bpf_prog_get+0x9b/0x290 [ 279.967135] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 279.971987] ? bpf_prog_test_run+0x130/0x1a0 [ 279.976402] ? __x64_sys_bpf+0x3d8/0x510 [ 279.980468] ? bpf_prog_get+0x20/0x20 [ 279.984282] ? ksys_ioctl+0x81/0xd0 [ 279.987921] ? do_syscall_64+0x1b9/0x820 [ 279.991993] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 279.997361] ? syscall_return_slowpath+0x5e0/0x5e0 [ 280.002296] ? trace_hardirqs_off+0x300/0x300 [ 280.006797] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 280.011817] ? recalc_sigpending_tsk+0x180/0x180 [ 280.016580] ? kasan_check_write+0x14/0x20 [ 280.020827] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.025683] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 280.031076] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 280.031166] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 280.038013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.038019] Call Trace: [ 280.038026] [ 280.038050] dump_stack+0x1c4/0x2b4 [ 280.038069] ? dump_stack_print_info.cold.2+0x52/0x52 [ 280.044621] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 280.053933] warn_alloc.cold.118+0xb7/0x1bd [ 280.056499] syz-executor0 cpuset= [ 280.058654] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 280.062244] syz0 [ 280.067442] ? lock_downgrade+0x900/0x900 [ 280.077916] mems_allowed=0 [ 280.082254] ? trace_hardirqs_off+0xb8/0x300 [ 280.104067] ? trace_hardirqs_off+0xb8/0x300 [ 280.108507] __alloc_pages_slowpath+0x2667/0x2d80 [ 280.113430] ? warn_alloc+0x120/0x120 [ 280.117247] ? trace_hardirqs_on+0x310/0x310 [ 280.121670] ? warn_alloc+0x120/0x120 [ 280.125482] ? print_usage_bug+0xc0/0xc0 [ 280.129554] ? warn_alloc+0x120/0x120 [ 280.133363] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 280.138380] ? print_usage_bug+0xc0/0xc0 [ 280.142448] ? __lock_acquire+0x7ec/0x4ec0 [ 280.146688] ? __lock_acquire+0x7ec/0x4ec0 [ 280.150926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.156467] ? should_fail+0x22d/0xd01 [ 280.160364] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.165470] ? __lock_acquire+0x7ec/0x4ec0 [ 280.169715] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.174820] ? __lock_acquire+0x7ec/0x4ec0 [ 280.179058] ? should_fail+0x22d/0xd01 [ 280.182946] ? print_usage_bug+0xc0/0xc0 [ 280.187025] ? mark_held_locks+0x130/0x130 [ 280.191269] ? mark_held_locks+0x130/0x130 [ 280.195515] ? graph_lock+0x170/0x170 [ 280.199319] ? print_usage_bug+0xc0/0xc0 [ 280.203387] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 280.208151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.213691] ? check_preemption_disabled+0x48/0x200 [ 280.218711] ? check_preemption_disabled+0x48/0x200 [ 280.223757] ? __lock_is_held+0xb5/0x140 [ 280.227834] __alloc_pages_nodemask+0xa80/0xde0 [ 280.232507] ? graph_lock+0x170/0x170 [ 280.236316] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 280.241334] ? graph_lock+0x170/0x170 [ 280.245155] ? find_held_lock+0x36/0x1c0 [ 280.249229] ? ____cache_alloc_node+0x1c7/0x1e0 [ 280.253905] ? lock_downgrade+0x900/0x900 [ 280.258071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.263614] cache_grow_begin+0x91/0x8c0 [ 280.267679] ? do_raw_spin_unlock+0xa7/0x2f0 [ 280.272099] fallback_alloc+0x203/0x2e0 [ 280.276084] ____cache_alloc_node+0x1c7/0x1e0 [ 280.280587] kmem_cache_alloc_node+0xe3/0x730 [ 280.285088] ? ipv6_get_ifaddr+0x42e/0x620 [ 280.289338] __alloc_skb+0x119/0x770 [ 280.293055] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.298340] ? skb_scrub_packet+0x490/0x490 [ 280.302665] ? lock_downgrade+0x900/0x900 [ 280.306826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.312369] ? refcount_sub_and_test_checked+0x203/0x310 [ 280.317829] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 280.323288] ? addrconf_rs_timer+0x6f0/0x6f0 [ 280.327715] ndisc_alloc_skb+0x144/0x340 [ 280.331791] ndisc_send_rs+0x331/0x6e0 [ 280.335693] addrconf_rs_timer+0x3c0/0x6f0 [ 280.339941] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.344193] call_timer_fn+0x272/0x920 [ 280.348084] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.352324] ? process_timeout+0x40/0x40 [ 280.356384] ? find_held_lock+0x36/0x1c0 [ 280.360455] ? mark_held_locks+0xc7/0x130 [ 280.364619] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.369119] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.373625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.377871] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 280.382463] ? trace_hardirqs_on+0xbd/0x310 [ 280.386788] ? kasan_check_read+0x11/0x20 [ 280.390943] ? __run_timers+0x7da/0xc70 [ 280.394930] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.400396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.404639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.408877] __run_timers+0x7e5/0xc70 [ 280.412699] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 280.418072] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 280.423095] ? graph_lock+0x170/0x170 [ 280.426901] ? print_usage_bug+0xc0/0xc0 [ 280.430961] ? lock_release+0x970/0x970 [ 280.434950] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 280.440168] ? find_held_lock+0x36/0x1c0 [ 280.444240] ? graph_lock+0x170/0x170 [ 280.448057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.453614] ? check_preemption_disabled+0x48/0x200 [ 280.458656] ? __lock_is_held+0xb5/0x140 [ 280.462729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.468285] ? check_preemption_disabled+0x48/0x200 [ 280.473320] run_timer_softirq+0x52/0xb0 [ 280.477389] ? rcu_read_lock_sched_held+0x108/0x120 [ 280.482428] __do_softirq+0x30b/0xad8 [ 280.486249] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 280.491368] ? pvclock_read_flags+0x160/0x160 [ 280.495872] ? lapic_next_event+0x5a/0x90 [ 280.500035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.505606] ? check_preemption_disabled+0x48/0x200 [ 280.510627] ? check_preemption_disabled+0x48/0x200 [ 280.515658] ? kvm_clock_read+0x18/0x30 [ 280.519638] ? kvm_sched_clock_read+0x9/0x20 [ 280.524057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.529609] ? check_preemption_disabled+0x48/0x200 [ 280.534642] irq_exit+0x17f/0x1c0 [ 280.538109] smp_apic_timer_interrupt+0x1cb/0x760 [ 280.542964] ? smp_call_function_single_interrupt+0x650/0x650 [ 280.548878] ? interrupt_entry+0xb5/0xf0 [ 280.552948] ? trace_hardirqs_off_caller+0xbb/0x300 [ 280.557975] ? trace_hardirqs_off_caller+0xbb/0x300 [ 280.563014] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.567870] ? trace_hardirqs_off+0x300/0x300 [ 280.572373] ? trace_hardirqs_off+0x300/0x300 [ 280.576876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.582423] ? check_preemption_disabled+0x48/0x200 [ 280.587446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.593012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.597874] apic_timer_interrupt+0xf/0x20 [ 280.602118] [ 280.604360] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 280.609732] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 280.628654] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 280.636382] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 280.643659] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 280.650934] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 280.658206] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 280.665478] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 280.672789] ? page_evictable+0x35d/0x540 [ 280.676955] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 280.682500] page_evictable+0x36b/0x540 [ 280.686481] ? kswapd_stop+0x100/0x100 [ 280.690378] ? ___might_sleep+0x1ed/0x300 [ 280.694528] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.699995] ? arch_local_save_flags+0x40/0x40 [ 280.704588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.710133] ? check_preemption_disabled+0x48/0x200 [ 280.715166] shrink_active_list+0x845/0x1c20 [ 280.719583] ? free_unref_page_list+0xc0f/0x11e0 [ 280.724359] ? shrink_inactive_list+0x1c60/0x1c60 [ 280.729221] ? graph_lock+0x170/0x170 [ 280.733028] ? __page_frag_cache_drain+0x200/0x200 [ 280.737959] ? print_usage_bug+0xc0/0xc0 [ 280.742046] ? find_held_lock+0x36/0x1c0 [ 280.746120] ? graph_lock+0x170/0x170 [ 280.749924] ? mark_held_locks+0xc7/0x130 [ 280.754076] ? check_preemption_disabled+0x48/0x200 [ 280.759093] ? check_preemption_disabled+0x48/0x200 [ 280.764123] ? graph_lock+0x170/0x170 [ 280.767929] ? __lock_is_held+0xb5/0x140 [ 280.772002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.777542] ? check_preemption_disabled+0x48/0x200 [ 280.782577] ? __lock_is_held+0xb5/0x140 [ 280.786660] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 280.791683] ? inactive_list_is_low+0x305/0x880 [ 280.796366] ? lruvec_lru_size+0x450/0x450 [ 280.800601] ? kasan_check_read+0x11/0x20 [ 280.804772] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 280.809725] shrink_node_memcg+0x803/0x18e0 [ 280.814093] ? shrink_active_list+0x1c20/0x1c20 [ 280.818781] ? lockdep_hardirqs_on+0x421/0x5c0 [ 280.823370] ? trace_hardirqs_on+0xbd/0x310 [ 280.827703] ? vmpressure+0x294/0x310 [ 280.831516] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.837013] shrink_node+0x3bc/0x16b0 [ 280.840822] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 280.846134] ? shrink_node_memcg+0x18e0/0x18e0 [ 280.850727] ? lockdep_hardirqs_on+0x421/0x5c0 [ 280.855324] ? trace_hardirqs_on+0xbd/0x310 [ 280.859655] ? vmpressure+0x294/0x310 [ 280.863468] ? do_raw_spin_unlock+0xa7/0x2f0 [ 280.867883] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 280.872481] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 280.878023] ? __cpuset_node_allowed+0x19b/0x660 [ 280.882791] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 280.888510] ? vmpressure+0x1c9/0x310 [ 280.892325] do_try_to_free_pages+0x3e7/0x1290 [ 280.896935] ? shrink_node+0x16b0/0x16b0 [ 280.901012] ? __lock_is_held+0xb5/0x140 [ 280.905095] try_to_free_pages+0x4d0/0xb90 [ 280.909342] ? do_try_to_free_pages+0x1290/0x1290 [ 280.914190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.919745] ? lock_acquire+0x1ed/0x520 [ 280.923728] ? set_page_refcounted+0x280/0x280 [ 280.928323] ? lock_release+0x970/0x970 [ 280.932308] ? ___might_sleep+0x1ed/0x300 [ 280.936463] ? arch_local_save_flags+0x40/0x40 [ 280.941075] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 280.946099] ? __radix_tree_lookup+0x358/0x4c0 [ 280.950694] __alloc_pages_slowpath+0x993/0x2d80 [ 280.955484] ? kasan_check_read+0x11/0x20 [ 280.959646] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.964934] ? warn_alloc+0x120/0x120 [ 280.968741] ? __radix_tree_lookup+0x4c0/0x4c0 [ 280.973345] ? find_get_entry+0x2f2/0xc40 [ 280.977509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.983053] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 280.987994] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.993545] ? should_fail+0x22d/0xd01 [ 280.997443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.002554] ? __lock_is_held+0xb5/0x140 [ 281.006619] ? graph_lock+0x170/0x170 [ 281.010426] ? graph_lock+0x170/0x170 [ 281.014251] ? __lock_is_held+0xb5/0x140 [ 281.018325] ? __lock_acquire+0x7ec/0x4ec0 [ 281.022571] ? ___might_sleep+0x1ed/0x300 [ 281.026723] ? lock_release+0x970/0x970 [ 281.030703] ? arch_local_save_flags+0x40/0x40 [ 281.035303] ? __might_sleep+0x95/0x190 [ 281.039308] __alloc_pages_nodemask+0xa80/0xde0 [ 281.044000] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 281.049026] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 281.054823] ? kasan_check_read+0x11/0x20 [ 281.058986] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.064272] ? graph_lock+0x170/0x170 [ 281.068080] ? print_usage_bug+0xc0/0xc0 [ 281.072146] ? graph_lock+0x170/0x170 [ 281.075949] ? graph_lock+0x170/0x170 [ 281.079766] ? __do_page_cache_readahead+0x7ce/0x980 [ 281.084876] ? find_held_lock+0x36/0x1c0 [ 281.088948] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 281.094503] alloc_pages_current+0x10c/0x210 [ 281.098913] ? lock_downgrade+0x900/0x900 [ 281.103070] __page_cache_alloc+0x38f/0x5b0 [ 281.107399] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 281.113202] ? kasan_check_read+0x11/0x20 [ 281.117360] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.122646] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 281.127322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.132863] ? check_preemption_disabled+0x48/0x200 [ 281.137900] filemap_fault+0x1594/0x25f0 [ 281.141991] ? __lock_page_or_retry+0xa00/0xa00 [ 281.146670] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 281.152468] ? kasan_check_read+0x11/0x20 [ 281.156620] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.161898] ? rcu_bh_qs+0xc0/0xc0 [ 281.165449] ? print_usage_bug+0xc0/0xc0 [ 281.169523] ? filemap_map_pages+0xdea/0x1980 [ 281.174032] ? print_usage_bug+0xc0/0xc0 [ 281.178110] ? find_get_pages_range_tag+0x1320/0x1320 [ 281.183308] ? print_usage_bug+0xc0/0xc0 [ 281.187371] ? __lock_acquire+0x7ec/0x4ec0 [ 281.191621] ? graph_lock+0x170/0x170 [ 281.195431] ? __sigqueue_free.part.27+0x7d/0xa0 [ 281.200195] ? __lock_acquire+0x7ec/0x4ec0 [ 281.204465] ? lock_acquire+0x1ed/0x520 [ 281.208447] ? ext4_filemap_fault+0x7a/0xad [ 281.212783] ? lock_release+0x970/0x970 [ 281.216760] ? arch_local_save_flags+0x40/0x40 [ 281.221352] ? mark_held_locks+0x130/0x130 [ 281.225601] ? down_read+0xb0/0x1d0 [ 281.229230] ? ext4_filemap_fault+0x7a/0xad [ 281.233558] ? __down_interruptible+0x700/0x700 [ 281.238233] ? graph_lock+0x170/0x170 [ 281.242041] ? __sigqueue_free.part.27+0x7d/0xa0 [ 281.246811] ext4_filemap_fault+0x82/0xad [ 281.250968] __do_fault+0x100/0x6b0 [ 281.254612] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.259895] ? print_bad_pte+0x6c0/0x6c0 [ 281.263969] ? pmd_val+0x88/0x100 [ 281.267438] ? add_mm_counter_fast+0xd0/0xd0 [ 281.271850] ? pmd_val+0x88/0x100 [ 281.275311] ? add_mm_counter_fast+0xd0/0xd0 [ 281.279730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.285281] __handle_mm_fault+0x3709/0x53e0 [ 281.289706] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 281.294554] ? graph_lock+0x170/0x170 [ 281.298356] ? print_usage_bug+0xc0/0xc0 [ 281.302425] ? graph_lock+0x170/0x170 [ 281.306229] ? graph_lock+0x170/0x170 [ 281.310050] ? handle_mm_fault+0x42a/0xc70 [ 281.314289] ? lock_downgrade+0x900/0x900 [ 281.318439] ? check_preemption_disabled+0x48/0x200 [ 281.323469] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 281.329264] ? kasan_check_read+0x11/0x20 [ 281.333416] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.338702] ? rcu_bh_qs+0xc0/0xc0 [ 281.342247] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.347707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.353254] ? check_preemption_disabled+0x48/0x200 [ 281.358286] handle_mm_fault+0x54f/0xc70 [ 281.362363] ? __handle_mm_fault+0x53e0/0x53e0 [ 281.366952] ? find_vma+0x34/0x190 [ 281.370524] __do_page_fault+0x67d/0xed0 [ 281.374605] ? mm_fault_error+0x380/0x380 [ 281.378772] ? syscall_slow_exit_work+0x520/0x520 [ 281.383633] do_page_fault+0xf2/0x7e0 [ 281.387443] ? vmalloc_sync_all+0x30/0x30 [ 281.391599] ? error_entry+0x70/0xd0 [ 281.395343] ? trace_hardirqs_off_caller+0xbb/0x300 [ 281.400378] ? trace_hardirqs_on_caller+0xc0/0x300 [ 281.405317] ? syscall_return_slowpath+0x5e0/0x5e0 [ 281.410269] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.415127] ? trace_hardirqs_off+0x300/0x300 [ 281.419633] ? trace_hardirqs_off_caller+0x300/0x300 [ 281.424767] ? prepare_exit_to_usermode+0x291/0x3b0 [ 281.429807] ? page_fault+0x8/0x30 [ 281.433363] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.438220] ? page_fault+0x8/0x30 [ 281.441768] page_fault+0x1e/0x30 [ 281.445230] RIP: 0033:0x45db60 [ 281.448436] Code: Bad RIP value. [ 281.451801] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 281.457171] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 281.464440] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 281.471706] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 281.478985] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 281.486257] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 281.493579] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 281.493584] warn_alloc_show_mem: 1 callbacks suppressed [ 281.493592] Mem-Info: [ 281.500775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.500785] Call Trace: [ 281.506157] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 281.506157] active_file:15 inactive_file:16 isolated_file:2 [ 281.506157] unevictable:0 dirty:0 writeback:0 unstable:0 [ 281.506157] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 281.506157] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 281.506157] free:13788 free_pcp:262 free_cma:0 [ 281.508530] [ 281.517894] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 281.520477] dump_stack+0x1c4/0x2b4 [ 281.553342] Node 0 [ 281.555497] ? dump_stack_print_info.cold.2+0x52/0x52 [ 281.583169] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 281.586784] warn_alloc.cold.118+0xb7/0x1bd [ 281.588986] lowmem_reserve[]: 0 [ 281.594181] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.619664] 2815 [ 281.623996] ? lock_downgrade+0x900/0x900 [ 281.627234] 6318 6318 [ 281.632087] ? trace_hardirqs_off+0xb8/0x300 [ 281.638260] ? trace_hardirqs_off+0xb8/0x300 [ 281.641078] Node 0 [ 281.645499] __alloc_pages_slowpath+0x2667/0x2d80 [ 281.649900] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 281.652130] ? warn_alloc+0x120/0x120 [ 281.656914] lowmem_reserve[]: 0 [ 281.683935] ? warn_alloc+0x120/0x120 [ 281.687708] 0 [ 281.690995] ? print_usage_bug+0xc0/0xc0 [ 281.694767] 3503 [ 281.696562] ? warn_alloc+0x120/0x120 [ 281.700590] 3503 [ 281.702659] ? print_usage_bug+0xc0/0xc0 [ 281.706436] Node 0 [ 281.708493] ? __lock_acquire+0x7ec/0x4ec0 [ 281.712557] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 281.714762] ? __lock_acquire+0x7ec/0x4ec0 [ 281.718986] lowmem_reserve[]: [ 281.747382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.751591] 0 [ 281.754699] ? should_fail+0x22d/0xd01 [ 281.760202] 0 0 [ 281.762025] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.765880] 0 [ 281.767865] ? __lock_acquire+0x7ec/0x4ec0 [ 281.772949] Node 0 [ 281.774762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.778961] DMA: 1*4kB [ 281.781212] ? __lock_acquire+0x7ec/0x4ec0 [ 281.786295] (U) [ 281.788880] ? should_fail+0x22d/0xd01 [ 281.793089] 0*8kB [ 281.795073] ? mark_held_locks+0x130/0x130 [ 281.798922] 0*16kB [ 281.801071] ? mark_held_locks+0x130/0x130 [ 281.805285] 1*32kB [ 281.807520] ? graph_lock+0x170/0x170 [ 281.811728] (U) [ 281.813961] ? graph_lock+0x170/0x170 [ 281.817740] 2*64kB [ 281.819707] ? graph_lock+0x170/0x170 [ 281.823480] (U) [ 281.825712] ? print_usage_bug+0xc0/0xc0 [ 281.829730] 1*128kB (U) [ 281.831721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.835747] 1*256kB (U) [ 281.838421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.843931] 0*512kB [ 281.846597] ? check_preemption_disabled+0x48/0x200 [ 281.852108] 1*1024kB [ 281.854426] ? check_preemption_disabled+0x48/0x200 [ 281.859415] (U) [ 281.861829] ? __lock_is_held+0xb5/0x140 [ 281.866814] 1*2048kB [ 281.868788] __alloc_pages_nodemask+0xa80/0xde0 [ 281.872826] (M) [ 281.875232] ? graph_lock+0x170/0x170 [ 281.879874] 3*4096kB [ 281.881844] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 281.885616] (M) [ 281.888023] ? graph_lock+0x170/0x170 [ 281.893009] = 15908kB [ 281.893018] Node 0 [ 281.895006] ? find_held_lock+0x36/0x1c0 [ 281.898778] DMA32: [ 281.901192] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.903402] 3*4kB [ 281.907456] ? lock_downgrade+0x900/0x900 [ 281.909668] (M) [ 281.914335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.916458] 2*8kB [ 281.920599] cache_grow_begin+0x91/0x8c0 [ 281.922547] (M) [ 281.928081] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.930207] 1*16kB [ 281.934275] fallback_alloc+0x203/0x2e0 [ 281.936216] (M) [ 281.940626] ____cache_alloc_node+0x1c7/0x1e0 [ 281.942838] 1*32kB [ 281.946811] kmem_cache_alloc_node+0xe3/0x730 [ 281.948766] (M) [ 281.953257] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.955465] 3*64kB [ 281.959959] __alloc_skb+0x119/0x770 [ 281.962386] (UM) [ 281.966624] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.968829] 3*128kB [ 281.972543] ? skb_scrub_packet+0x490/0x490 [ 281.974578] (M) [ 281.979852] ? lock_downgrade+0x900/0x900 [ 281.982151] 2*256kB [ 281.986472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.988413] (M) 3*512kB [ 281.992563] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.994861] (M) [ 282.000395] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 282.003043] 4*1024kB [ 282.008492] ? addrconf_rs_timer+0x6f0/0x6f0 [ 282.010439] (UM) [ 282.016104] ndisc_alloc_skb+0x144/0x340 [ 282.018488] 3*2048kB [ 282.022890] ndisc_send_rs+0x331/0x6e0 [ 282.024927] (UM) [ 282.028996] addrconf_rs_timer+0x3c0/0x6f0 [ 282.031382] 3*4096kB [ 282.035271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.037303] (M) [ 282.041543] call_timer_fn+0x272/0x920 [ 282.043921] = 25228kB [ 282.048150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.050102] Node 0 [ 282.053991] ? process_timeout+0x40/0x40 [ 282.056373] Normal: [ 282.060599] ? find_held_lock+0x36/0x1c0 [ 282.062814] 866*4kB [ 282.066873] ? __run_timers+0x7da/0xc70 [ 282.069166] (ME) [ 282.073224] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.075528] 469*8kB [ 282.079496] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.081535] (UME) [ 282.086027] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.088360] 197*16kB [ 282.092851] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 282.094985] (UME) [ 282.099216] ? trace_hardirqs_on+0xbd/0x310 [ 282.101599] 59*32kB [ 282.106181] ? kasan_check_read+0x11/0x20 [ 282.108306] (UME) [ 282.112623] ? __run_timers+0x7da/0xc70 [ 282.114918] 18*64kB [ 282.119074] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.121197] (ME) [ 282.125172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.127470] 3*128kB [ 282.132911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.134950] (M) [ 282.139180] __run_timers+0x7e5/0xc70 [ 282.141478] 1*256kB [ 282.145716] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 282.147652] (U) 0*512kB [ 282.151458] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.153757] 0*1024kB [ 282.159131] ? graph_lock+0x170/0x170 [ 282.161785] 0*2048kB [ 282.166793] ? enqueue_hrtimer+0x1a5/0x560 [ 282.169179] 0*4096kB [ 282.172970] ? lock_release+0x970/0x970 [ 282.175362] = 14048kB [ 282.179597] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.181993] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 282.185957] ? find_held_lock+0x36/0x1c0 [ 282.188350] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 282.193529] ? graph_lock+0x170/0x170 [ 282.202346] 412 total pagecache pages [ 282.206407] ? pvclock_read_flags+0x160/0x160 [ 282.214964] 0 pages in swap cache [ 282.218776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.222547] Swap cache stats: add 0, delete 0, find 0/0 [ 282.222557] Free swap = 0kB [ 282.227056] ? check_preemption_disabled+0x48/0x200 [ 282.230484] Total swap = 0kB [ 282.236033] ? __lock_is_held+0xb5/0x140 [ 282.241362] 1965979 pages RAM [ 282.244375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.249365] 0 pages HighMem/MovableOnly [ 282.252375] ? check_preemption_disabled+0x48/0x200 [ 282.256413] 343323 pages reserved [ 282.259515] run_timer_softirq+0x52/0xb0 [ 282.265023] 0 pages cma reserved [ 282.268998] ? rcu_read_lock_sched_held+0x108/0x120 [ 282.274074] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 282.277451] __do_softirq+0x30b/0xad8 [ 282.277478] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 282.281583] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 282.284874] ? pvclock_read_flags+0x160/0x160 [ 282.289861] syz-fuzzer cpuset= [ 282.296343] ? lapic_next_event+0x5a/0x90 [ 282.300120] / [ 282.305219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.315414] mems_allowed=0 [ 282.337355] ? check_preemption_disabled+0x48/0x200 [ 282.342370] ? check_preemption_disabled+0x48/0x200 [ 282.347395] ? kvm_clock_read+0x18/0x30 [ 282.351374] ? kvm_sched_clock_read+0x9/0x20 [ 282.355789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.361329] ? check_preemption_disabled+0x48/0x200 [ 282.366362] irq_exit+0x17f/0x1c0 [ 282.369826] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.374670] ? smp_reschedule_interrupt+0x109/0x650 [ 282.379694] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.385579] ? interrupt_entry+0xb5/0xf0 [ 282.389646] ? trace_hardirqs_off_caller+0xbb/0x300 [ 282.394665] ? trace_hardirqs_off_caller+0xbb/0x300 [ 282.399684] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.404530] ? trace_hardirqs_off+0x300/0x300 [ 282.409025] ? trace_hardirqs_off+0x300/0x300 [ 282.413523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.419062] ? check_preemption_disabled+0x48/0x200 [ 282.424081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.429626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.434485] apic_timer_interrupt+0xf/0x20 [ 282.438723] [ 282.440973] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 282.445918] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 282.464822] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 282.472532] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 282.479800] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 282.487068] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 282.494337] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 282.501602] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 282.508919] skb_clone+0x1bb/0x500 [ 282.512463] ? skb_split+0x11e0/0x11e0 [ 282.516362] ? dev_forward_skb+0x4c/0x60 [ 282.520434] ? __bpf_redirect+0x54b/0xb20 [ 282.524588] ? __switch_to_asm+0x34/0x70 [ 282.528840] bpf_clone_redirect+0xb9/0x490 [ 282.533093] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 282.538119] ? __sched_text_start+0x8/0x8 [ 282.542283] ? lockdep_hardirqs_on+0x421/0x5c0 [ 282.546872] ? retint_kernel+0x2d/0x2d [ 282.550764] ? trace_hardirqs_on_caller+0xc0/0x300 [ 282.555705] ? find_held_lock+0x36/0x1c0 [ 282.559778] ? lock_acquire+0x1ed/0x520 [ 282.563756] ? bpf_test_run+0x32e/0x5a0 [ 282.567734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.573282] ? check_preemption_disabled+0x48/0x200 [ 282.578308] ? kasan_check_read+0x11/0x20 [ 282.582466] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.587751] ? rcu_bh_qs+0xc0/0xc0 [ 282.591298] ? preempt_schedule+0x4d/0x60 [ 282.595448] ? ___preempt_schedule+0x16/0x18 [ 282.599870] ? bpf_test_run+0x1c0/0x5a0 [ 282.603860] ? netlink_diag_dump+0x2a0/0x2a0 [ 282.608280] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.613824] ? bpf_test_init.isra.9+0x70/0x100 [ 282.618416] ? bpf_prog_test_run_skb+0x634/0xb40 [ 282.623188] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 282.628034] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 282.633573] ? fput+0x130/0x1a0 [ 282.636861] ? __bpf_prog_get+0x9b/0x290 [ 282.640927] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 282.645774] ? bpf_prog_test_run+0x130/0x1a0 [ 282.650210] ? __x64_sys_bpf+0x3d8/0x510 [ 282.654280] ? bpf_prog_get+0x20/0x20 [ 282.658095] ? ksys_ioctl+0x81/0xd0 [ 282.661736] ? do_syscall_64+0x1b9/0x820 [ 282.665804] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 282.671195] ? syscall_return_slowpath+0x5e0/0x5e0 [ 282.676136] ? trace_hardirqs_off+0x300/0x300 [ 282.680636] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 282.685676] ? recalc_sigpending_tsk+0x180/0x180 [ 282.690442] ? kasan_check_write+0x14/0x20 [ 282.694690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.699560] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 282.704952] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 282.705049] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 282.711918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.711925] Call Trace: [ 282.711933] [ 282.711956] dump_stack+0x1c4/0x2b4 [ 282.711971] ? dump_stack_print_info.cold.2+0x52/0x52 [ 282.712013] warn_alloc.cold.118+0xb7/0x1bd [ 282.718598] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 282.727869] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 282.730425] syz-executor0 cpuset= [ 282.732573] ? lock_downgrade+0x900/0x900 [ 282.736169] syz0 [ 282.741357] ? trace_hardirqs_off+0xb8/0x300 [ 282.745654] mems_allowed=0 [ 282.756152] ? trace_hardirqs_off+0xb8/0x300 [ 282.782236] __alloc_pages_slowpath+0x2667/0x2d80 [ 282.787123] ? warn_alloc+0x120/0x120 [ 282.790936] ? warn_alloc+0x120/0x120 [ 282.794743] ? print_usage_bug+0xc0/0xc0 [ 282.798814] ? warn_alloc+0x120/0x120 [ 282.802620] ? print_usage_bug+0xc0/0xc0 [ 282.806690] ? __lock_acquire+0x7ec/0x4ec0 [ 282.810932] ? __lock_acquire+0x7ec/0x4ec0 [ 282.815174] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.820718] ? should_fail+0x22d/0xd01 [ 282.824611] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.829721] ? __lock_acquire+0x7ec/0x4ec0 [ 282.833962] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.839073] ? __lock_acquire+0x7ec/0x4ec0 [ 282.843313] ? should_fail+0x22d/0xd01 [ 282.847214] ? mark_held_locks+0x130/0x130 [ 282.851455] ? mark_held_locks+0x130/0x130 [ 282.855694] ? graph_lock+0x170/0x170 [ 282.859499] ? graph_lock+0x170/0x170 [ 282.863306] ? graph_lock+0x170/0x170 [ 282.867107] ? print_usage_bug+0xc0/0xc0 [ 282.871171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.876712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.882250] ? check_preemption_disabled+0x48/0x200 [ 282.887269] ? check_preemption_disabled+0x48/0x200 [ 282.892301] ? __lock_is_held+0xb5/0x140 [ 282.896375] __alloc_pages_nodemask+0xa80/0xde0 [ 282.901047] ? graph_lock+0x170/0x170 [ 282.904854] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 282.909870] ? graph_lock+0x170/0x170 [ 282.913688] ? find_held_lock+0x36/0x1c0 [ 282.917768] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.922442] ? lock_downgrade+0x900/0x900 [ 282.926603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.932153] cache_grow_begin+0x91/0x8c0 [ 282.936223] ? do_raw_spin_unlock+0xa7/0x2f0 [ 282.940643] fallback_alloc+0x203/0x2e0 [ 282.944889] ____cache_alloc_node+0x1c7/0x1e0 [ 282.949398] kmem_cache_alloc_node+0xe3/0x730 [ 282.953900] ? ipv6_get_ifaddr+0x42e/0x620 [ 282.958147] __alloc_skb+0x119/0x770 [ 282.961887] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.967171] ? skb_scrub_packet+0x490/0x490 [ 282.971501] ? lock_downgrade+0x900/0x900 [ 282.975663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.981204] ? refcount_sub_and_test_checked+0x203/0x310 [ 282.986658] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 282.992114] ? addrconf_rs_timer+0x6f0/0x6f0 [ 282.996541] ndisc_alloc_skb+0x144/0x340 [ 283.000615] ndisc_send_rs+0x331/0x6e0 [ 283.004513] addrconf_rs_timer+0x3c0/0x6f0 [ 283.008760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.013033] call_timer_fn+0x272/0x920 [ 283.016922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.021165] ? process_timeout+0x40/0x40 [ 283.025229] ? find_held_lock+0x36/0x1c0 [ 283.029316] ? mark_held_locks+0xc7/0x130 [ 283.033482] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.037998] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.042503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.046753] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 283.051365] ? trace_hardirqs_on+0xbd/0x310 [ 283.055697] ? kasan_check_read+0x11/0x20 [ 283.059857] ? __run_timers+0x7da/0xc70 [ 283.063850] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.069321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.073574] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.077823] __run_timers+0x7e5/0xc70 [ 283.081653] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 283.087029] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 283.092054] ? graph_lock+0x170/0x170 [ 283.095861] ? print_usage_bug+0xc0/0xc0 [ 283.099922] ? lock_release+0x970/0x970 [ 283.103900] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 283.109099] ? find_held_lock+0x36/0x1c0 [ 283.113170] ? graph_lock+0x170/0x170 [ 283.116985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.122523] ? check_preemption_disabled+0x48/0x200 [ 283.127552] ? __lock_is_held+0xb5/0x140 [ 283.131620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.137163] ? check_preemption_disabled+0x48/0x200 [ 283.142191] run_timer_softirq+0x52/0xb0 [ 283.146261] ? rcu_read_lock_sched_held+0x108/0x120 [ 283.151288] __do_softirq+0x30b/0xad8 [ 283.155109] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 283.160224] ? pvclock_read_flags+0x160/0x160 [ 283.164722] ? lapic_next_event+0x5a/0x90 [ 283.168873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.174414] ? check_preemption_disabled+0x48/0x200 [ 283.179432] ? check_preemption_disabled+0x48/0x200 [ 283.184456] ? kvm_clock_read+0x18/0x30 [ 283.188433] ? kvm_sched_clock_read+0x9/0x20 [ 283.192881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.198419] ? check_preemption_disabled+0x48/0x200 [ 283.203451] irq_exit+0x17f/0x1c0 [ 283.206916] smp_apic_timer_interrupt+0x1cb/0x760 [ 283.211771] ? smp_call_function_single_interrupt+0x650/0x650 [ 283.217657] ? interrupt_entry+0xb5/0xf0 [ 283.221726] ? trace_hardirqs_off_caller+0xbb/0x300 [ 283.226743] ? trace_hardirqs_off_caller+0xbb/0x300 [ 283.231775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.236621] ? trace_hardirqs_off+0x300/0x300 [ 283.241118] ? trace_hardirqs_off+0x300/0x300 [ 283.245618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.251159] ? check_preemption_disabled+0x48/0x200 [ 283.256187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.261738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.266602] apic_timer_interrupt+0xf/0x20 [ 283.270836] [ 283.273075] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 283.278461] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 283.297369] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 283.305082] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 283.312352] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 283.319622] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 283.326890] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 283.334159] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 283.341459] ? page_evictable+0x35d/0x540 [ 283.345627] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 283.351173] page_evictable+0x36b/0x540 [ 283.355156] ? kswapd_stop+0x100/0x100 [ 283.359054] ? ___might_sleep+0x1ed/0x300 [ 283.363209] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.368666] ? arch_local_save_flags+0x40/0x40 [ 283.373259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.378799] ? check_preemption_disabled+0x48/0x200 [ 283.383832] shrink_active_list+0x845/0x1c20 [ 283.388250] ? free_unref_page_list+0xc0f/0x11e0 [ 283.393051] ? shrink_inactive_list+0x1c60/0x1c60 [ 283.397927] ? graph_lock+0x170/0x170 [ 283.401736] ? __page_frag_cache_drain+0x200/0x200 [ 283.406678] ? print_usage_bug+0xc0/0xc0 [ 283.410782] ? find_held_lock+0x36/0x1c0 [ 283.414853] ? graph_lock+0x170/0x170 [ 283.418660] ? mark_held_locks+0xc7/0x130 [ 283.422811] ? check_preemption_disabled+0x48/0x200 [ 283.427825] ? check_preemption_disabled+0x48/0x200 [ 283.432855] ? graph_lock+0x170/0x170 [ 283.436662] ? __lock_is_held+0xb5/0x140 [ 283.440730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.446276] ? check_preemption_disabled+0x48/0x200 [ 283.451312] ? __lock_is_held+0xb5/0x140 [ 283.455396] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 283.460424] ? inactive_list_is_low+0x305/0x880 [ 283.465110] ? lruvec_lru_size+0x450/0x450 [ 283.469350] ? kasan_check_read+0x11/0x20 [ 283.473520] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 283.478472] shrink_node_memcg+0x803/0x18e0 [ 283.482837] ? shrink_active_list+0x1c20/0x1c20 [ 283.487519] ? lockdep_hardirqs_on+0x421/0x5c0 [ 283.492112] ? trace_hardirqs_on+0xbd/0x310 [ 283.496440] ? vmpressure+0x294/0x310 [ 283.500251] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.505736] shrink_node+0x3bc/0x16b0 [ 283.509549] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 283.514856] ? shrink_node_memcg+0x18e0/0x18e0 [ 283.519443] ? lockdep_hardirqs_on+0x421/0x5c0 [ 283.524032] ? trace_hardirqs_on+0xbd/0x310 [ 283.528363] ? vmpressure+0x294/0x310 [ 283.532170] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.536583] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 283.541176] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 283.546718] ? __cpuset_node_allowed+0x19b/0x660 [ 283.551480] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 283.557207] ? vmpressure+0x1c9/0x310 [ 283.561034] do_try_to_free_pages+0x3e7/0x1290 [ 283.565644] ? shrink_node+0x16b0/0x16b0 [ 283.569715] ? __lock_is_held+0xb5/0x140 [ 283.573803] try_to_free_pages+0x4d0/0xb90 [ 283.578052] ? do_try_to_free_pages+0x1290/0x1290 [ 283.582906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.588464] ? lock_acquire+0x1ed/0x520 [ 283.592445] ? set_page_refcounted+0x280/0x280 [ 283.597039] ? lock_release+0x970/0x970 [ 283.601028] ? ___might_sleep+0x1ed/0x300 [ 283.605187] ? arch_local_save_flags+0x40/0x40 [ 283.609784] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 283.614804] ? __radix_tree_lookup+0x358/0x4c0 [ 283.619415] __alloc_pages_slowpath+0x993/0x2d80 [ 283.624205] ? kasan_check_read+0x11/0x20 [ 283.628364] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.633649] ? warn_alloc+0x120/0x120 [ 283.637455] ? __radix_tree_lookup+0x4c0/0x4c0 [ 283.642059] ? find_get_entry+0x2f2/0xc40 [ 283.646226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.651781] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 283.656720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.662262] ? should_fail+0x22d/0xd01 [ 283.666161] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.671273] ? __lock_is_held+0xb5/0x140 [ 283.675338] ? graph_lock+0x170/0x170 [ 283.679143] ? graph_lock+0x170/0x170 [ 283.682967] ? __lock_is_held+0xb5/0x140 [ 283.687050] ? __lock_acquire+0x7ec/0x4ec0 [ 283.691298] ? ___might_sleep+0x1ed/0x300 [ 283.695446] ? lock_release+0x970/0x970 [ 283.699427] ? arch_local_save_flags+0x40/0x40 [ 283.704027] ? __might_sleep+0x95/0x190 [ 283.708021] __alloc_pages_nodemask+0xa80/0xde0 [ 283.712705] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.717730] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.723534] ? kasan_check_read+0x11/0x20 [ 283.727688] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.732973] ? graph_lock+0x170/0x170 [ 283.736809] ? print_usage_bug+0xc0/0xc0 [ 283.740881] ? graph_lock+0x170/0x170 [ 283.744689] ? graph_lock+0x170/0x170 [ 283.748507] ? __do_page_cache_readahead+0x7ce/0x980 [ 283.753623] ? find_held_lock+0x36/0x1c0 [ 283.757695] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 283.763243] alloc_pages_current+0x10c/0x210 [ 283.767658] ? lock_downgrade+0x900/0x900 [ 283.771814] __page_cache_alloc+0x38f/0x5b0 [ 283.776155] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.781951] ? kasan_check_read+0x11/0x20 [ 283.786124] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.791414] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 283.796092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.801632] ? check_preemption_disabled+0x48/0x200 [ 283.806664] filemap_fault+0x1594/0x25f0 [ 283.810743] ? __lock_page_or_retry+0xa00/0xa00 [ 283.815427] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.821228] ? kasan_check_read+0x11/0x20 [ 283.825385] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.830905] ? rcu_bh_qs+0xc0/0xc0 [ 283.834466] ? print_usage_bug+0xc0/0xc0 [ 283.838536] ? filemap_map_pages+0xdea/0x1980 [ 283.843047] ? print_usage_bug+0xc0/0xc0 [ 283.847121] ? find_get_pages_range_tag+0x1320/0x1320 [ 283.852316] ? print_usage_bug+0xc0/0xc0 [ 283.856382] ? __lock_acquire+0x7ec/0x4ec0 [ 283.860622] ? graph_lock+0x170/0x170 [ 283.864432] ? __sigqueue_free.part.27+0x7d/0xa0 [ 283.869207] ? __lock_acquire+0x7ec/0x4ec0 [ 283.873469] ? lock_acquire+0x1ed/0x520 [ 283.877454] ? ext4_filemap_fault+0x7a/0xad [ 283.881792] ? lock_release+0x970/0x970 [ 283.885775] ? arch_local_save_flags+0x40/0x40 [ 283.890364] ? mark_held_locks+0x130/0x130 [ 283.894617] ? down_read+0xb0/0x1d0 [ 283.898249] ? ext4_filemap_fault+0x7a/0xad [ 283.902577] ? __down_interruptible+0x700/0x700 [ 283.907256] ? graph_lock+0x170/0x170 [ 283.911064] ? __sigqueue_free.part.27+0x7d/0xa0 [ 283.915840] ext4_filemap_fault+0x82/0xad [ 283.920006] __do_fault+0x100/0x6b0 [ 283.923645] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.928942] ? print_bad_pte+0x6c0/0x6c0 [ 283.933022] ? pmd_val+0x88/0x100 [ 283.936482] ? add_mm_counter_fast+0xd0/0xd0 [ 283.940891] ? pmd_val+0x88/0x100 [ 283.944350] ? add_mm_counter_fast+0xd0/0xd0 [ 283.948792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.954351] __handle_mm_fault+0x3709/0x53e0 [ 283.958781] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 283.964143] ? graph_lock+0x170/0x170 [ 283.967955] ? print_usage_bug+0xc0/0xc0 [ 283.972049] ? graph_lock+0x170/0x170 [ 283.975862] ? graph_lock+0x170/0x170 [ 283.979692] ? handle_mm_fault+0x42a/0xc70 [ 283.983936] ? lock_downgrade+0x900/0x900 [ 283.988106] ? check_preemption_disabled+0x48/0x200 [ 283.993148] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.998963] ? kasan_check_read+0x11/0x20 [ 284.003140] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.008427] ? rcu_bh_qs+0xc0/0xc0 [ 284.011993] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.017462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.023031] ? check_preemption_disabled+0x48/0x200 [ 284.028089] handle_mm_fault+0x54f/0xc70 [ 284.032171] ? __handle_mm_fault+0x53e0/0x53e0 [ 284.036789] ? find_vma+0x34/0x190 [ 284.040356] __do_page_fault+0x67d/0xed0 [ 284.044437] ? mm_fault_error+0x380/0x380 [ 284.048608] ? syscall_slow_exit_work+0x520/0x520 [ 284.053478] do_page_fault+0xf2/0x7e0 [ 284.057294] ? vmalloc_sync_all+0x30/0x30 [ 284.061456] ? error_entry+0x70/0xd0 [ 284.065178] ? trace_hardirqs_off_caller+0xbb/0x300 [ 284.070195] ? trace_hardirqs_on_caller+0xc0/0x300 [ 284.075135] ? syscall_return_slowpath+0x5e0/0x5e0 [ 284.080074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.084925] ? trace_hardirqs_off+0x300/0x300 [ 284.089423] ? trace_hardirqs_off_caller+0x300/0x300 [ 284.094537] ? prepare_exit_to_usermode+0x291/0x3b0 [ 284.099562] ? page_fault+0x8/0x30 [ 284.103113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.107964] ? page_fault+0x8/0x30 [ 284.111518] page_fault+0x1e/0x30 [ 284.114971] RIP: 0033:0x45db60 [ 284.118182] Code: Bad RIP value. [ 284.121544] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 284.126910] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 284.134186] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 284.141462] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 284.148734] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 284.156016] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 284.163323] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 284.163329] warn_alloc_show_mem: 1 callbacks suppressed [ 284.163337] Mem-Info: [ 284.170530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.175899] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 284.175899] active_file:15 inactive_file:16 isolated_file:2 [ 284.175899] unevictable:0 dirty:0 writeback:0 unstable:0 [ 284.175899] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 284.175899] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 284.175899] free:13788 free_pcp:262 free_cma:0 [ 284.178270] Call Trace: [ 284.187667] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 284.220550] [ 284.223128] Node 0 [ 284.250819] dump_stack+0x1c4/0x2b4 [ 284.252971] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 284.255177] ? dump_stack_print_info.cold.2+0x52/0x52 [ 284.258775] lowmem_reserve[]: 0 [ 284.284313] warn_alloc.cold.118+0xb7/0x1bd [ 284.289468] 2815 6318 [ 284.292758] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.297053] 6318 [ 284.299558] ? lock_downgrade+0x900/0x900 [ 284.304372] Node 0 [ 284.306431] ? trace_hardirqs_off+0xb8/0x300 [ 284.310578] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 284.312791] ? trace_hardirqs_off+0xb8/0x300 [ 284.317172] lowmem_reserve[]: [ 284.344183] __alloc_pages_slowpath+0x2667/0x2d80 [ 284.348580] 0 [ 284.351710] ? warn_alloc+0x120/0x120 [ 284.356508] 0 [ 284.358312] ? trace_hardirqs_on+0x310/0x310 [ 284.362090] 3503 3503 [ 284.363914] ? warn_alloc+0x120/0x120 [ 284.368300] Node 0 [ 284.370799] ? print_usage_bug+0xc0/0xc0 [ 284.374607] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 284.376831] ? warn_alloc+0x120/0x120 [ 284.380863] lowmem_reserve[]: 0 [ 284.409281] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 284.413050] 0 [ 284.416336] ? print_usage_bug+0xc0/0xc0 [ 284.421315] 0 0 [ 284.423130] ? __lock_acquire+0x7ec/0x4ec0 [ 284.429137] ? __lock_acquire+0x7ec/0x4ec0 [ 284.433340] Node 0 DMA: [ 284.437579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.437598] ? should_fail+0x22d/0xd01 [ 284.440248] 1*4kB [ 284.445792] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.449652] (U) [ 284.451799] ? __lock_acquire+0x7ec/0x4ec0 [ 284.456870] 0*8kB 0*16kB [ 284.458887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.463092] 1*32kB [ 284.465847] ? __lock_acquire+0x7ec/0x4ec0 [ 284.470920] (U) [ 284.473157] ? should_fail+0x22d/0xd01 [ 284.477364] 2*64kB [ 284.479336] ? print_usage_bug+0xc0/0xc0 [ 284.483198] (U) [ 284.485439] ? mark_held_locks+0x130/0x130 [ 284.489468] 1*128kB [ 284.491437] ? mark_held_locks+0x130/0x130 [ 284.495642] (U) 1*256kB [ 284.497974] ? graph_lock+0x170/0x170 [ 284.502185] (U) [ 284.504851] ? print_usage_bug+0xc0/0xc0 [ 284.508631] 0*512kB [ 284.510606] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.514640] 1*1024kB [ 284.516966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.521687] (U) [ 284.524096] ? check_preemption_disabled+0x48/0x200 [ 284.529610] 1*2048kB [ 284.531580] ? check_preemption_disabled+0x48/0x200 [ 284.536569] (M) [ 284.538993] ? __lock_is_held+0xb5/0x140 [ 284.543985] 3*4096kB [ 284.545963] __alloc_pages_nodemask+0xa80/0xde0 [ 284.549998] (M) [ 284.552406] ? graph_lock+0x170/0x170 [ 284.557053] = 15908kB [ 284.559025] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 284.562801] Node 0 [ 284.565204] ? graph_lock+0x170/0x170 [ 284.570192] DMA32: [ 284.572435] ? find_held_lock+0x36/0x1c0 [ 284.576202] 3*4kB [ 284.578450] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.582482] (M) [ 284.584627] ? lock_downgrade+0x900/0x900 [ 284.589275] 2*8kB [ 284.591252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.595367] (M) 1*16kB [ 284.597525] cache_grow_begin+0x91/0x8c0 [ 284.603031] (M) [ 284.605615] ? do_raw_spin_unlock+0xa7/0x2f0 [ 284.609646] 1*32kB (M) [ 284.611632] fallback_alloc+0x203/0x2e0 [ 284.616008] 3*64kB (UM) [ 284.618605] ____cache_alloc_node+0x1c7/0x1e0 [ 284.622559] 3*128kB [ 284.625228] kmem_cache_alloc_node+0xe3/0x730 [ 284.629695] (M) [ 284.632033] ? ipv6_get_ifaddr+0x42e/0x620 [ 284.636498] 2*256kB [ 284.638484] __alloc_skb+0x119/0x770 [ 284.642685] (M) [ 284.645024] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.648705] 3*512kB [ 284.650679] ? skb_scrub_packet+0x490/0x490 [ 284.655921] (M) [ 284.658257] ? lock_downgrade+0x900/0x900 [ 284.662549] 4*1024kB (UM) [ 284.664542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.668659] 3*2048kB [ 284.671502] ? refcount_sub_and_test_checked+0x203/0x310 [ 284.677012] (UM) [ 284.679422] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 284.684851] 3*4096kB [ 284.686910] ? addrconf_rs_timer+0x6f0/0x6f0 [ 284.692328] (M) = 25228kB [ 284.694757] ndisc_alloc_skb+0x144/0x340 [ 284.699128] Node 0 [ 284.701881] ndisc_send_rs+0x331/0x6e0 [ 284.705911] Normal: 866*4kB [ 284.708185] addrconf_rs_timer+0x3c0/0x6f0 [ 284.712041] (ME) [ 284.715059] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.719269] 469*8kB (UME) [ 284.721348] call_timer_fn+0x272/0x920 [ 284.725550] 197*16kB [ 284.728394] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.732251] (UME) [ 284.734662] ? process_timeout+0x40/0x40 [ 284.738869] 59*32kB (UME) [ 284.741028] ? find_held_lock+0x36/0x1c0 [ 284.745070] 18*64kB [ 284.747924] ? __run_timers+0x7da/0xc70 [ 284.751942] (ME) [ 284.754272] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.758211] 3*128kB [ 284.760273] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.764735] (M) [ 284.767056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.771523] 1*256kB [ 284.773500] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 284.777704] (U) [ 284.780028] ? trace_hardirqs_on+0xbd/0x310 [ 284.784587] 0*512kB [ 284.786560] ? kasan_check_read+0x11/0x20 [ 284.790858] 0*1024kB [ 284.793186] ? __run_timers+0x7da/0xc70 [ 284.797306] 0*2048kB [ 284.799716] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.803662] 0*4096kB [ 284.806075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.811494] = 14048kB [ 284.811509] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 284.813913] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.818123] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 284.820527] __run_timers+0x7e5/0xc70 [ 284.829337] 412 total pagecache pages [ 284.833578] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 284.842128] 0 pages in swap cache [ 284.845923] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 284.849700] Swap cache stats: add 0, delete 0, find 0/0 [ 284.855055] ? graph_lock+0x170/0x170 [ 284.858484] Free swap = 0kB [ 284.863497] ? enqueue_hrtimer+0x1a5/0x560 [ 284.868838] Total swap = 0kB [ 284.872636] ? lock_release+0x970/0x970 [ 284.875628] 1965979 pages RAM [ 284.879860] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 284.882854] 0 pages HighMem/MovableOnly [ 284.886828] ? find_held_lock+0x36/0x1c0 [ 284.889898] 343323 pages reserved [ 284.889907] 0 pages cma reserved [ 284.895101] ? graph_lock+0x170/0x170 [ 284.899146] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 284.903106] ? pvclock_read_flags+0x160/0x160 [ 284.906599] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 284.909893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.913665] syz-fuzzer cpuset= [ 284.920151] ? check_preemption_disabled+0x48/0x200 [ 284.924622] / [ 284.934860] ? __lock_is_held+0xb5/0x140 [ 284.940370] mems_allowed=0 [ 284.943559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.962763] ? check_preemption_disabled+0x48/0x200 [ 284.967793] run_timer_softirq+0x52/0xb0 [ 284.971863] ? rcu_read_lock_sched_held+0x108/0x120 [ 284.976889] __do_softirq+0x30b/0xad8 [ 284.980707] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 284.985836] ? pvclock_read_flags+0x160/0x160 [ 284.990335] ? lapic_next_event+0x5a/0x90 [ 284.994487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.000030] ? check_preemption_disabled+0x48/0x200 [ 285.005051] ? check_preemption_disabled+0x48/0x200 [ 285.010079] ? kvm_clock_read+0x18/0x30 [ 285.014058] ? kvm_sched_clock_read+0x9/0x20 [ 285.018472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.029410] ? check_preemption_disabled+0x48/0x200 [ 285.034445] irq_exit+0x17f/0x1c0 [ 285.037908] smp_apic_timer_interrupt+0x1cb/0x760 [ 285.042758] ? smp_reschedule_interrupt+0x109/0x650 [ 285.047782] ? smp_call_function_single_interrupt+0x650/0x650 [ 285.053672] ? interrupt_entry+0xb5/0xf0 [ 285.057738] ? trace_hardirqs_off_caller+0xbb/0x300 [ 285.062755] ? trace_hardirqs_off_caller+0xbb/0x300 [ 285.067789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.072653] ? trace_hardirqs_off+0x300/0x300 [ 285.077160] ? trace_hardirqs_off+0x300/0x300 [ 285.081664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.087204] ? check_preemption_disabled+0x48/0x200 [ 285.092226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.097780] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.102655] apic_timer_interrupt+0xf/0x20 [ 285.106886] [ 285.109130] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 285.114077] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 285.133002] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 285.140725] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 285.148006] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 285.155281] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 285.162562] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 285.169834] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 285.177153] skb_clone+0x1bb/0x500 [ 285.180702] ? skb_split+0x11e0/0x11e0 [ 285.184598] ? dev_forward_skb+0x4c/0x60 [ 285.188666] ? __bpf_redirect+0x54b/0xb20 [ 285.192820] ? __switch_to_asm+0x34/0x70 [ 285.196892] bpf_clone_redirect+0xb9/0x490 [ 285.201139] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 285.206164] ? __sched_text_start+0x8/0x8 [ 285.210322] ? lockdep_hardirqs_on+0x421/0x5c0 [ 285.214910] ? retint_kernel+0x2d/0x2d [ 285.218804] ? trace_hardirqs_on_caller+0xc0/0x300 [ 285.223742] ? find_held_lock+0x36/0x1c0 [ 285.227816] ? lock_acquire+0x1ed/0x520 [ 285.231796] ? bpf_test_run+0x32e/0x5a0 [ 285.235776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.241316] ? check_preemption_disabled+0x48/0x200 [ 285.246344] ? kasan_check_read+0x11/0x20 [ 285.250502] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.255784] ? rcu_bh_qs+0xc0/0xc0 [ 285.259330] ? preempt_schedule+0x4d/0x60 [ 285.263484] ? ___preempt_schedule+0x16/0x18 [ 285.267905] ? bpf_test_run+0x1c0/0x5a0 [ 285.271894] ? netlink_diag_dump+0x2a0/0x2a0 [ 285.276312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.281871] ? bpf_test_init.isra.9+0x70/0x100 [ 285.286465] ? bpf_prog_test_run_skb+0x634/0xb40 [ 285.291233] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 285.296082] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 285.301624] ? fput+0x130/0x1a0 [ 285.304946] ? __bpf_prog_get+0x9b/0x290 [ 285.309028] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 285.313875] ? bpf_prog_test_run+0x130/0x1a0 [ 285.318322] ? __x64_sys_bpf+0x3d8/0x510 [ 285.322394] ? bpf_prog_get+0x20/0x20 [ 285.326206] ? ksys_ioctl+0x81/0xd0 [ 285.329855] ? do_syscall_64+0x1b9/0x820 [ 285.333936] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 285.339313] ? syscall_return_slowpath+0x5e0/0x5e0 [ 285.344273] ? trace_hardirqs_off+0x300/0x300 [ 285.348782] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 285.353825] ? recalc_sigpending_tsk+0x180/0x180 [ 285.358605] ? kasan_check_write+0x14/0x20 [ 285.362856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.367718] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 285.373117] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 285.373200] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.380060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.380076] Call Trace: [ 285.380084] [ 285.380105] dump_stack+0x1c4/0x2b4 [ 285.380123] ? dump_stack_print_info.cold.2+0x52/0x52 [ 285.386688] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.395992] warn_alloc.cold.118+0xb7/0x1bd [ 285.398541] syz-executor0 cpuset= [ 285.400695] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 285.404293] syz0 [ 285.409485] ? lock_downgrade+0x900/0x900 [ 285.419953] mems_allowed=0 [ 285.424272] ? trace_hardirqs_off+0xb8/0x300 [ 285.445943] ? trace_hardirqs_off+0xb8/0x300 [ 285.450366] __alloc_pages_slowpath+0x2667/0x2d80 [ 285.455245] ? warn_alloc+0x120/0x120 [ 285.459061] ? graph_lock+0x170/0x170 [ 285.462865] ? warn_alloc+0x120/0x120 [ 285.466670] ? print_usage_bug+0xc0/0xc0 [ 285.470737] ? warn_alloc+0x120/0x120 [ 285.474548] ? print_usage_bug+0xc0/0xc0 [ 285.478614] ? __lock_acquire+0x7ec/0x4ec0 [ 285.482853] ? __lock_acquire+0x7ec/0x4ec0 [ 285.487094] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.492634] ? should_fail+0x22d/0xd01 [ 285.496533] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.501640] ? __lock_acquire+0x7ec/0x4ec0 [ 285.505884] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.510994] ? __lock_acquire+0x7ec/0x4ec0 [ 285.515232] ? should_fail+0x22d/0xd01 [ 285.519135] ? mark_held_locks+0x130/0x130 [ 285.523379] ? mark_held_locks+0x130/0x130 [ 285.527617] ? graph_lock+0x170/0x170 [ 285.531418] ? graph_lock+0x170/0x170 [ 285.535229] ? graph_lock+0x170/0x170 [ 285.539031] ? print_usage_bug+0xc0/0xc0 [ 285.543097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.548643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.554194] ? check_preemption_disabled+0x48/0x200 [ 285.559218] ? check_preemption_disabled+0x48/0x200 [ 285.564251] ? __lock_is_held+0xb5/0x140 [ 285.568326] __alloc_pages_nodemask+0xa80/0xde0 [ 285.573009] ? graph_lock+0x170/0x170 [ 285.576819] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 285.581836] ? graph_lock+0x170/0x170 [ 285.585650] ? find_held_lock+0x36/0x1c0 [ 285.589726] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.594419] ? lock_downgrade+0x900/0x900 [ 285.598583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.604141] cache_grow_begin+0x91/0x8c0 [ 285.608215] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.612640] fallback_alloc+0x203/0x2e0 [ 285.616634] ____cache_alloc_node+0x1c7/0x1e0 [ 285.621142] kmem_cache_alloc_node+0xe3/0x730 [ 285.625647] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.629903] __alloc_skb+0x119/0x770 [ 285.633624] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.638909] ? skb_scrub_packet+0x490/0x490 [ 285.643240] ? lock_downgrade+0x900/0x900 [ 285.647415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.652958] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.658427] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.663896] ? addrconf_rs_timer+0x6f0/0x6f0 [ 285.668326] ndisc_alloc_skb+0x144/0x340 [ 285.672402] ndisc_send_rs+0x331/0x6e0 [ 285.676305] addrconf_rs_timer+0x3c0/0x6f0 [ 285.680552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.684813] call_timer_fn+0x272/0x920 [ 285.688709] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.692962] ? process_timeout+0x40/0x40 [ 285.697038] ? find_held_lock+0x36/0x1c0 [ 285.701128] ? mark_held_locks+0xc7/0x130 [ 285.705291] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.709802] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.714337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.718594] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 285.723191] ? trace_hardirqs_on+0xbd/0x310 [ 285.727518] ? kasan_check_read+0x11/0x20 [ 285.731683] ? __run_timers+0x7da/0xc70 [ 285.735668] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.741137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.745393] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.749644] __run_timers+0x7e5/0xc70 [ 285.753467] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 285.758837] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 285.763856] ? graph_lock+0x170/0x170 [ 285.767664] ? print_usage_bug+0xc0/0xc0 [ 285.771726] ? lock_release+0x970/0x970 [ 285.775706] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 285.780907] ? find_held_lock+0x36/0x1c0 [ 285.784974] ? graph_lock+0x170/0x170 [ 285.788799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.794344] ? check_preemption_disabled+0x48/0x200 [ 285.799379] ? __lock_is_held+0xb5/0x140 [ 285.803481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.809022] ? check_preemption_disabled+0x48/0x200 [ 285.814054] run_timer_softirq+0x52/0xb0 [ 285.818117] ? rcu_read_lock_sched_held+0x108/0x120 [ 285.823140] __do_softirq+0x30b/0xad8 [ 285.826960] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 285.832272] ? pvclock_read_flags+0x160/0x160 [ 285.836777] ? lapic_next_event+0x5a/0x90 [ 285.840932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.846472] ? check_preemption_disabled+0x48/0x200 [ 285.851491] ? check_preemption_disabled+0x48/0x200 [ 285.856607] ? kvm_clock_read+0x18/0x30 [ 285.860587] ? kvm_sched_clock_read+0x9/0x20 [ 285.865009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.870551] ? check_preemption_disabled+0x48/0x200 [ 285.875584] irq_exit+0x17f/0x1c0 [ 285.879056] smp_apic_timer_interrupt+0x1cb/0x760 [ 285.883905] ? smp_call_function_single_interrupt+0x650/0x650 [ 285.889813] ? interrupt_entry+0xb5/0xf0 [ 285.893882] ? trace_hardirqs_off_caller+0xbb/0x300 [ 285.898903] ? trace_hardirqs_off_caller+0xbb/0x300 [ 285.903936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.908796] ? trace_hardirqs_off+0x300/0x300 [ 285.913293] ? trace_hardirqs_off+0x300/0x300 [ 285.917799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.923340] ? check_preemption_disabled+0x48/0x200 [ 285.928360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.933910] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.938775] apic_timer_interrupt+0xf/0x20 [ 285.943009] [ 285.945256] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 285.950645] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 285.970043] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 285.977779] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 285.985063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 285.992344] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 285.999616] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 286.006887] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 286.014192] ? page_evictable+0x35d/0x540 [ 286.018365] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 286.023915] page_evictable+0x36b/0x540 [ 286.027896] ? kswapd_stop+0x100/0x100 [ 286.031794] ? ___might_sleep+0x1ed/0x300 [ 286.035946] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.041418] ? arch_local_save_flags+0x40/0x40 [ 286.046014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.051552] ? check_preemption_disabled+0x48/0x200 [ 286.056581] shrink_active_list+0x845/0x1c20 [ 286.061016] ? free_unref_page_list+0xc0f/0x11e0 [ 286.065807] ? shrink_inactive_list+0x1c60/0x1c60 [ 286.070669] ? graph_lock+0x170/0x170 [ 286.074475] ? __page_frag_cache_drain+0x200/0x200 [ 286.079407] ? print_usage_bug+0xc0/0xc0 [ 286.083489] ? find_held_lock+0x36/0x1c0 [ 286.087560] ? graph_lock+0x170/0x170 [ 286.091364] ? mark_held_locks+0xc7/0x130 [ 286.095516] ? check_preemption_disabled+0x48/0x200 [ 286.100532] ? check_preemption_disabled+0x48/0x200 [ 286.105556] ? graph_lock+0x170/0x170 [ 286.109361] ? __lock_is_held+0xb5/0x140 [ 286.113429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.118971] ? check_preemption_disabled+0x48/0x200 [ 286.124018] ? __lock_is_held+0xb5/0x140 [ 286.128098] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 286.133124] ? inactive_list_is_low+0x305/0x880 [ 286.137811] ? lruvec_lru_size+0x450/0x450 [ 286.142050] ? kasan_check_read+0x11/0x20 [ 286.146216] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 286.151160] shrink_node_memcg+0x803/0x18e0 [ 286.155505] ? shrink_active_list+0x1c20/0x1c20 [ 286.160187] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.164780] ? trace_hardirqs_on+0xbd/0x310 [ 286.169113] ? vmpressure+0x294/0x310 [ 286.172919] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.178400] shrink_node+0x3bc/0x16b0 [ 286.182206] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 286.187514] ? shrink_node_memcg+0x18e0/0x18e0 [ 286.192101] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.196689] ? trace_hardirqs_on+0xbd/0x310 [ 286.201023] ? vmpressure+0x294/0x310 [ 286.204830] ? do_raw_spin_unlock+0xa7/0x2f0 [ 286.209245] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 286.213837] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 286.219375] ? __cpuset_node_allowed+0x19b/0x660 [ 286.224135] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 286.229852] ? vmpressure+0x1c9/0x310 [ 286.233668] do_try_to_free_pages+0x3e7/0x1290 [ 286.238275] ? shrink_node+0x16b0/0x16b0 [ 286.242340] ? __lock_is_held+0xb5/0x140 [ 286.246418] try_to_free_pages+0x4d0/0xb90 [ 286.250717] ? do_try_to_free_pages+0x1290/0x1290 [ 286.255565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.261115] ? lock_acquire+0x1ed/0x520 [ 286.265096] ? set_page_refcounted+0x280/0x280 [ 286.269689] ? lock_release+0x970/0x970 [ 286.273673] ? ___might_sleep+0x1ed/0x300 [ 286.277831] ? arch_local_save_flags+0x40/0x40 [ 286.282429] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 286.287453] ? __radix_tree_lookup+0x358/0x4c0 [ 286.292048] __alloc_pages_slowpath+0x993/0x2d80 [ 286.296833] ? kasan_check_read+0x11/0x20 [ 286.300999] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.306296] ? warn_alloc+0x120/0x120 [ 286.310101] ? __radix_tree_lookup+0x4c0/0x4c0 [ 286.314704] ? find_get_entry+0x2f2/0xc40 [ 286.318873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.324419] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 286.329355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.334895] ? should_fail+0x22d/0xd01 [ 286.338794] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.343901] ? __lock_is_held+0xb5/0x140 [ 286.347963] ? graph_lock+0x170/0x170 [ 286.351783] ? graph_lock+0x170/0x170 [ 286.355636] ? __lock_is_held+0xb5/0x140 [ 286.359708] ? __lock_acquire+0x7ec/0x4ec0 [ 286.363953] ? ___might_sleep+0x1ed/0x300 [ 286.368110] ? lock_release+0x970/0x970 [ 286.372086] ? arch_local_save_flags+0x40/0x40 [ 286.376683] ? __might_sleep+0x95/0x190 [ 286.380667] __alloc_pages_nodemask+0xa80/0xde0 [ 286.385366] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 286.390398] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 286.396198] ? kasan_check_read+0x11/0x20 [ 286.400357] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.405644] ? graph_lock+0x170/0x170 [ 286.409453] ? print_usage_bug+0xc0/0xc0 [ 286.413526] ? graph_lock+0x170/0x170 [ 286.417334] ? graph_lock+0x170/0x170 [ 286.421146] ? __do_page_cache_readahead+0x7ce/0x980 [ 286.426268] ? find_held_lock+0x36/0x1c0 [ 286.430348] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 286.435904] alloc_pages_current+0x10c/0x210 [ 286.440318] ? lock_downgrade+0x900/0x900 [ 286.444478] __page_cache_alloc+0x38f/0x5b0 [ 286.448808] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 286.454609] ? kasan_check_read+0x11/0x20 [ 286.458774] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.464064] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 286.468742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.474290] ? check_preemption_disabled+0x48/0x200 [ 286.479319] filemap_fault+0x1594/0x25f0 [ 286.483401] ? __lock_page_or_retry+0xa00/0xa00 [ 286.488077] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 286.493878] ? kasan_check_read+0x11/0x20 [ 286.498041] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.503323] ? rcu_bh_qs+0xc0/0xc0 [ 286.506871] ? print_usage_bug+0xc0/0xc0 [ 286.510944] ? filemap_map_pages+0xdea/0x1980 [ 286.515446] ? print_usage_bug+0xc0/0xc0 [ 286.519522] ? find_get_pages_range_tag+0x1320/0x1320 [ 286.524720] ? print_usage_bug+0xc0/0xc0 [ 286.528870] ? __lock_acquire+0x7ec/0x4ec0 [ 286.533110] ? graph_lock+0x170/0x170 [ 286.536921] ? __sigqueue_free.part.27+0x7d/0xa0 [ 286.541688] ? __lock_acquire+0x7ec/0x4ec0 [ 286.545950] ? lock_acquire+0x1ed/0x520 [ 286.549934] ? ext4_filemap_fault+0x7a/0xad [ 286.554265] ? lock_release+0x970/0x970 [ 286.558247] ? arch_local_save_flags+0x40/0x40 [ 286.562836] ? mark_held_locks+0x130/0x130 [ 286.567093] ? down_read+0xb0/0x1d0 [ 286.570724] ? ext4_filemap_fault+0x7a/0xad [ 286.575054] ? __down_interruptible+0x700/0x700 [ 286.579730] ? graph_lock+0x170/0x170 [ 286.583547] ? __sigqueue_free.part.27+0x7d/0xa0 [ 286.588323] ext4_filemap_fault+0x82/0xad [ 286.592482] __do_fault+0x100/0x6b0 [ 286.596118] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.601424] ? print_bad_pte+0x6c0/0x6c0 [ 286.605508] ? pmd_val+0x88/0x100 [ 286.608965] ? add_mm_counter_fast+0xd0/0xd0 [ 286.613386] ? pmd_val+0x88/0x100 [ 286.616847] ? add_mm_counter_fast+0xd0/0xd0 [ 286.621272] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.626841] __handle_mm_fault+0x3709/0x53e0 [ 286.631271] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 286.636131] ? graph_lock+0x170/0x170 [ 286.639951] ? print_usage_bug+0xc0/0xc0 [ 286.644028] ? graph_lock+0x170/0x170 [ 286.647834] ? graph_lock+0x170/0x170 [ 286.651677] ? handle_mm_fault+0x42a/0xc70 [ 286.655923] ? lock_downgrade+0x900/0x900 [ 286.660102] ? check_preemption_disabled+0x48/0x200 [ 286.665151] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 286.670957] ? kasan_check_read+0x11/0x20 [ 286.675136] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.680435] ? rcu_bh_qs+0xc0/0xc0 [ 286.683992] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.689476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.695037] ? check_preemption_disabled+0x48/0x200 [ 286.700109] handle_mm_fault+0x54f/0xc70 [ 286.704202] ? __handle_mm_fault+0x53e0/0x53e0 [ 286.708816] ? find_vma+0x34/0x190 [ 286.712382] __do_page_fault+0x67d/0xed0 [ 286.716472] ? mm_fault_error+0x380/0x380 [ 286.720641] ? syscall_slow_exit_work+0x520/0x520 [ 286.725497] do_page_fault+0xf2/0x7e0 [ 286.729310] ? vmalloc_sync_all+0x30/0x30 [ 286.733468] ? error_entry+0x70/0xd0 [ 286.737191] ? trace_hardirqs_off_caller+0xbb/0x300 [ 286.742213] ? trace_hardirqs_on_caller+0xc0/0x300 [ 286.747158] ? syscall_return_slowpath+0x5e0/0x5e0 [ 286.752093] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.756944] ? trace_hardirqs_off+0x300/0x300 [ 286.761445] ? trace_hardirqs_off_caller+0x300/0x300 [ 286.766563] ? prepare_exit_to_usermode+0x291/0x3b0 [ 286.771586] ? page_fault+0x8/0x30 [ 286.775133] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.779995] ? page_fault+0x8/0x30 [ 286.783545] page_fault+0x1e/0x30 [ 286.787008] RIP: 0033:0x45db60 [ 286.790210] Code: Bad RIP value. [ 286.793584] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 286.798957] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 286.806246] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 286.813529] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 286.820817] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 286.828104] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 286.835421] warn_alloc_show_mem: 1 callbacks suppressed [ 286.835435] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 286.835437] Mem-Info: [ 286.835468] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 286.835468] active_file:15 inactive_file:16 isolated_file:2 [ 286.835468] unevictable:0 dirty:0 writeback:0 unstable:0 [ 286.835468] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 286.835468] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 286.835468] free:13788 free_pcp:262 free_cma:0 [ 286.840816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.840826] Call Trace: [ 286.848033] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 286.850432] [ 286.883309] Node 0 [ 286.892674] dump_stack+0x1c4/0x2b4 [ 286.895254] 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 [ 286.922905] ? dump_stack_print_info.cold.2+0x52/0x52 [ 286.925030] lowmem_reserve[]: [ 286.927278] warn_alloc.cold.118+0xb7/0x1bd [ 286.930868] 0 [ 286.956381] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.961544] 2815 [ 286.964645] ? lock_downgrade+0x900/0x900 [ 286.968938] 6318 [ 286.970742] ? trace_hardirqs_off+0xb8/0x300 [ 286.975550] 6318 [ 286.977618] ? trace_hardirqs_off+0xb8/0x300 [ 286.981741] Node 0 [ 286.983807] __alloc_pages_slowpath+0x2667/0x2d80 [ 286.988210] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 286.990275] ? warn_alloc+0x120/0x120 [ 286.994625] lowmem_reserve[]: [ 286.996861] ? warn_alloc+0x120/0x120 [ 287.001679] 0 [ 287.028703] ? print_usage_bug+0xc0/0xc0 [ 287.032481] 0 3503 [ 287.035611] ? warn_alloc+0x120/0x120 [ 287.039380] 3503 [ 287.041184] ? print_usage_bug+0xc0/0xc0 [ 287.047454] ? __lock_acquire+0x7ec/0x4ec0 [ 287.051233] Node 0 [ 287.053296] ? __lock_acquire+0x7ec/0x4ec0 [ 287.057358] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 287.061573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.063815] lowmem_reserve[]: [ 287.068054] ? should_fail+0x22d/0xd01 [ 287.096402] 0 [ 287.101944] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.105015] 0 [ 287.108899] ? __lock_acquire+0x7ec/0x4ec0 [ 287.110680] 0 [ 287.115786] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.117556] 0 [ 287.121793] ? __lock_acquire+0x7ec/0x4ec0 [ 287.123570] Node 0 [ 287.128665] ? should_fail+0x22d/0xd01 [ 287.130445] DMA: [ 287.134677] ? mark_held_locks+0x130/0x130 [ 287.136888] 1*4kB [ 287.140767] ? mark_held_locks+0x130/0x130 [ 287.142809] (U) [ 287.147035] ? graph_lock+0x170/0x170 [ 287.149164] 0*8kB [ 287.153391] ? graph_lock+0x170/0x170 [ 287.155362] 0*16kB [ 287.159154] ? graph_lock+0x170/0x170 [ 287.161281] 1*32kB [ 287.165073] ? print_usage_bug+0xc0/0xc0 [ 287.167284] (U) [ 287.171099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.173310] 2*64kB [ 287.177363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.180636] (U) [ 287.186166] ? check_preemption_disabled+0x48/0x200 [ 287.188379] 1*128kB [ 287.193923] ? check_preemption_disabled+0x48/0x200 [ 287.195875] (U) [ 287.200894] ? __lock_is_held+0xb5/0x140 [ 287.203186] 1*256kB [ 287.208197] __alloc_pages_nodemask+0xa80/0xde0 [ 287.210144] (U) [ 287.214200] ? graph_lock+0x170/0x170 [ 287.216505] 0*512kB [ 287.221169] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 287.223120] 1*1024kB [ 287.226914] ? graph_lock+0x170/0x170 [ 287.229211] (U) [ 287.234237] ? find_held_lock+0x36/0x1c0 [ 287.236616] 1*2048kB [ 287.240419] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.242365] (M) [ 287.246418] ? lock_downgrade+0x900/0x900 [ 287.248809] 3*4096kB [ 287.253474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.255422] (M) [ 287.259584] cache_grow_begin+0x91/0x8c0 [ 287.261961] = 15908kB [ 287.261970] Node 0 [ 287.267514] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.269467] DMA32: [ 287.273531] fallback_alloc+0x203/0x2e0 [ 287.275912] 3*4kB [ 287.278152] ____cache_alloc_node+0x1c7/0x1e0 [ 287.282534] (M) [ 287.284780] kmem_cache_alloc_node+0xe3/0x730 [ 287.288722] 2*8kB [ 287.290871] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.295335] (M) [ 287.297313] __alloc_skb+0x119/0x770 [ 287.301784] 1*16kB [ 287.303936] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.308139] (M) [ 287.310112] ? skb_scrub_packet+0x490/0x490 [ 287.313808] 1*32kB [ 287.316044] ? lock_downgrade+0x900/0x900 [ 287.321293] (M) [ 287.323278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.327563] 3*64kB [ 287.329801] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.333917] (UM) [ 287.335892] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.341405] 3*128kB [ 287.343637] ? addrconf_rs_timer+0x6f0/0x6f0 [ 287.349061] (M) [ 287.351147] ndisc_alloc_skb+0x144/0x340 [ 287.356566] 2*256kB [ 287.358885] ndisc_send_rs+0x331/0x6e0 [ 287.363263] (M) [ 287.365245] addrconf_rs_timer+0x3c0/0x6f0 [ 287.369278] 3*512kB [ 287.371600] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.375461] (M) [ 287.377448] call_timer_fn+0x272/0x920 [ 287.381642] 4*1024kB [ 287.383964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.388169] (UM) [ 287.390140] ? process_timeout+0x40/0x40 [ 287.394006] 3*2048kB [ 287.396413] ? find_held_lock+0x36/0x1c0 [ 287.400619] (UM) [ 287.402683] ? __run_timers+0x7da/0xc70 [ 287.406714] 3*4096kB [ 287.409121] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.413154] (M) [ 287.415213] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.419161] = 25228kB [ 287.421573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.426047] Node 0 Normal: [ 287.428029] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 287.432495] 866*4kB [ 287.434921] ? trace_hardirqs_on+0xbd/0x310 [ 287.439135] (ME) [ 287.442059] ? kasan_check_read+0x11/0x20 [ 287.446619] 469*8kB [ 287.448941] ? __run_timers+0x7da/0xc70 [ 287.453231] (UME) [ 287.455294] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.459416] 197*16kB [ 287.461736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.465683] (UME) [ 287.467841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.473263] 59*32kB [ 287.475675] __run_timers+0x7e5/0xc70 [ 287.479877] (UME) [ 287.482036] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.486242] 18*64kB [ 287.488575] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.492336] (ME) 3*128kB [ 287.494491] ? graph_lock+0x170/0x170 [ 287.499826] (M) [ 287.502148] ? enqueue_hrtimer+0x1a5/0x560 [ 287.507140] 1*256kB (U) [ 287.509912] ? lock_release+0x970/0x970 [ 287.513683] 0*512kB [ 287.515656] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.519858] 0*1024kB [ 287.522531] ? find_held_lock+0x36/0x1c0 [ 287.526491] 0*2048kB [ 287.528815] ? graph_lock+0x170/0x170 [ 287.533975] 0*4096kB [ 287.536389] ? pvclock_read_flags+0x160/0x160 [ 287.540426] = 14048kB [ 287.542830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.546606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 287.549353] ? check_preemption_disabled+0x48/0x200 [ 287.553821] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 287.553830] 412 total pagecache pages [ 287.556240] ? __lock_is_held+0xb5/0x140 [ 287.561761] 0 pages in swap cache [ 287.570594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.575577] Swap cache stats: add 0, delete 0, find 0/0 [ 287.575587] Free swap = 0kB [ 287.584186] ? check_preemption_disabled+0x48/0x200 [ 287.587959] Total swap = 0kB [ 287.587968] 1965979 pages RAM [ 287.592049] run_timer_softirq+0x52/0xb0 [ 287.595469] 0 pages HighMem/MovableOnly [ 287.601012] ? rcu_read_lock_sched_held+0x108/0x120 [ 287.606348] 343323 pages reserved [ 287.609366] __do_softirq+0x30b/0xad8 [ 287.614361] 0 pages cma reserved [ 287.617382] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 287.620548] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.624525] ? pvclock_read_flags+0x160/0x160 [ 287.628590] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.633497] ? lapic_next_event+0x5a/0x90 [ 287.636928] syz-fuzzer cpuset= [ 287.640733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.644078] / [ 287.649177] ? check_preemption_disabled+0x48/0x200 [ 287.655648] mems_allowed=0 [ 287.660134] ? check_preemption_disabled+0x48/0x200 [ 287.697828] ? kvm_clock_read+0x18/0x30 [ 287.701808] ? kvm_sched_clock_read+0x9/0x20 [ 287.706223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.711763] ? check_preemption_disabled+0x48/0x200 [ 287.716795] irq_exit+0x17f/0x1c0 [ 287.720284] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.725131] ? smp_reschedule_interrupt+0x109/0x650 [ 287.730153] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.736045] ? interrupt_entry+0xb5/0xf0 [ 287.740117] ? trace_hardirqs_off_caller+0xbb/0x300 [ 287.745134] ? trace_hardirqs_off_caller+0xbb/0x300 [ 287.750163] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.755017] ? trace_hardirqs_off+0x300/0x300 [ 287.759516] ? trace_hardirqs_off+0x300/0x300 [ 287.764031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.769576] ? check_preemption_disabled+0x48/0x200 [ 287.774597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.780146] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.785010] apic_timer_interrupt+0xf/0x20 [ 287.789242] [ 287.791494] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 287.796428] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 287.815332] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 287.823046] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 287.830814] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 287.838083] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 287.845355] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 287.852624] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 287.859946] skb_clone+0x1bb/0x500 [ 287.863500] ? skb_split+0x11e0/0x11e0 [ 287.867402] ? dev_forward_skb+0x4c/0x60 [ 287.871483] ? __bpf_redirect+0x54b/0xb20 [ 287.875639] ? __switch_to_asm+0x34/0x70 [ 287.879715] bpf_clone_redirect+0xb9/0x490 [ 287.883964] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 287.889009] ? __sched_text_start+0x8/0x8 [ 287.893182] ? lockdep_hardirqs_on+0x421/0x5c0 [ 287.897773] ? retint_kernel+0x2d/0x2d [ 287.901664] ? trace_hardirqs_on_caller+0xc0/0x300 [ 287.906612] ? find_held_lock+0x36/0x1c0 [ 287.910685] ? lock_acquire+0x1ed/0x520 [ 287.914677] ? bpf_test_run+0x32e/0x5a0 [ 287.918673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.924215] ? check_preemption_disabled+0x48/0x200 [ 287.929257] ? kasan_check_read+0x11/0x20 [ 287.933421] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.938718] ? rcu_bh_qs+0xc0/0xc0 [ 287.942282] ? preempt_schedule+0x4d/0x60 [ 287.946436] ? ___preempt_schedule+0x16/0x18 [ 287.950864] ? bpf_test_run+0x1c0/0x5a0 [ 287.954870] ? netlink_diag_dump+0x2a0/0x2a0 [ 287.959295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.965083] ? bpf_test_init.isra.9+0x70/0x100 [ 287.969677] ? bpf_prog_test_run_skb+0x634/0xb40 [ 287.974449] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.979312] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 287.984857] ? fput+0x130/0x1a0 [ 287.988145] ? __bpf_prog_get+0x9b/0x290 [ 287.992219] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.997069] ? bpf_prog_test_run+0x130/0x1a0 [ 288.001486] ? __x64_sys_bpf+0x3d8/0x510 [ 288.005550] ? bpf_prog_get+0x20/0x20 [ 288.009360] ? ksys_ioctl+0x81/0xd0 [ 288.013243] ? do_syscall_64+0x1b9/0x820 [ 288.017319] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 288.022688] ? syscall_return_slowpath+0x5e0/0x5e0 [ 288.027624] ? trace_hardirqs_off+0x300/0x300 [ 288.032122] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 288.037142] ? recalc_sigpending_tsk+0x180/0x180 [ 288.041898] ? kasan_check_write+0x14/0x20 [ 288.046147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.051012] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 288.056398] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 288.056515] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 288.063324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.063330] Call Trace: [ 288.063337] [ 288.063354] dump_stack+0x1c4/0x2b4 [ 288.063371] ? dump_stack_print_info.cold.2+0x52/0x52 [ 288.069942] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 288.079209] warn_alloc.cold.118+0xb7/0x1bd [ 288.081760] syz-executor0 cpuset= [ 288.083907] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.087506] syz0 [ 288.092695] ? lock_downgrade+0x900/0x900 [ 288.103155] mems_allowed=0 [ 288.124761] ? trace_hardirqs_off+0xb8/0x300 [ 288.129187] ? trace_hardirqs_off+0xb8/0x300 [ 288.133612] __alloc_pages_slowpath+0x2667/0x2d80 [ 288.138489] ? warn_alloc+0x120/0x120 [ 288.142297] ? trace_hardirqs_on+0x310/0x310 [ 288.146710] ? warn_alloc+0x120/0x120 [ 288.150522] ? print_usage_bug+0xc0/0xc0 [ 288.154584] ? warn_alloc+0x120/0x120 [ 288.158391] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 288.163413] ? print_usage_bug+0xc0/0xc0 [ 288.167484] ? __lock_acquire+0x7ec/0x4ec0 [ 288.171722] ? __lock_acquire+0x7ec/0x4ec0 [ 288.175966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.181515] ? should_fail+0x22d/0xd01 [ 288.185409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.190514] ? __lock_acquire+0x7ec/0x4ec0 [ 288.194758] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.199870] ? __lock_acquire+0x7ec/0x4ec0 [ 288.204111] ? should_fail+0x22d/0xd01 [ 288.208007] ? print_usage_bug+0xc0/0xc0 [ 288.212081] ? mark_held_locks+0x130/0x130 [ 288.216336] ? mark_held_locks+0x130/0x130 [ 288.220583] ? graph_lock+0x170/0x170 [ 288.224387] ? print_usage_bug+0xc0/0xc0 [ 288.228456] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.233220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.238762] ? check_preemption_disabled+0x48/0x200 [ 288.243791] ? check_preemption_disabled+0x48/0x200 [ 288.248823] ? __lock_is_held+0xb5/0x140 [ 288.252892] __alloc_pages_nodemask+0xa80/0xde0 [ 288.257567] ? graph_lock+0x170/0x170 [ 288.261374] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 288.266392] ? graph_lock+0x170/0x170 [ 288.270202] ? find_held_lock+0x36/0x1c0 [ 288.274278] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.278949] ? lock_downgrade+0x900/0x900 [ 288.283118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.288666] cache_grow_begin+0x91/0x8c0 [ 288.292733] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.297166] fallback_alloc+0x203/0x2e0 [ 288.301155] ____cache_alloc_node+0x1c7/0x1e0 [ 288.305668] kmem_cache_alloc_node+0xe3/0x730 [ 288.310177] ? ipv6_get_ifaddr+0x42e/0x620 [ 288.314428] __alloc_skb+0x119/0x770 [ 288.318152] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.323453] ? skb_scrub_packet+0x490/0x490 [ 288.327815] ? lock_downgrade+0x900/0x900 [ 288.331992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.337544] ? refcount_sub_and_test_checked+0x203/0x310 [ 288.343022] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 288.348507] ? addrconf_rs_timer+0x6f0/0x6f0 [ 288.352953] ndisc_alloc_skb+0x144/0x340 [ 288.357080] ndisc_send_rs+0x331/0x6e0 [ 288.360992] addrconf_rs_timer+0x3c0/0x6f0 [ 288.365244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.369501] call_timer_fn+0x272/0x920 [ 288.373393] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.377634] ? process_timeout+0x40/0x40 [ 288.381697] ? find_held_lock+0x36/0x1c0 [ 288.385783] ? mark_held_locks+0xc7/0x130 [ 288.389944] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.394442] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.398941] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.403182] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 288.407776] ? trace_hardirqs_on+0xbd/0x310 [ 288.412103] ? kasan_check_read+0x11/0x20 [ 288.416267] ? __run_timers+0x7da/0xc70 [ 288.420255] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.425718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.429959] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.434206] __run_timers+0x7e5/0xc70 [ 288.438033] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 288.443401] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 288.448421] ? graph_lock+0x170/0x170 [ 288.452230] ? print_usage_bug+0xc0/0xc0 [ 288.456293] ? lock_release+0x970/0x970 [ 288.460272] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 288.465477] ? find_held_lock+0x36/0x1c0 [ 288.469543] ? graph_lock+0x170/0x170 [ 288.473352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.478889] ? check_preemption_disabled+0x48/0x200 [ 288.483919] ? __lock_is_held+0xb5/0x140 [ 288.487997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.493534] ? check_preemption_disabled+0x48/0x200 [ 288.498564] run_timer_softirq+0x52/0xb0 [ 288.502630] ? rcu_read_lock_sched_held+0x108/0x120 [ 288.507655] __do_softirq+0x30b/0xad8 [ 288.511469] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 288.516584] ? pvclock_read_flags+0x160/0x160 [ 288.521084] ? lapic_next_event+0x5a/0x90 [ 288.525238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.530782] ? check_preemption_disabled+0x48/0x200 [ 288.535805] ? check_preemption_disabled+0x48/0x200 [ 288.540834] ? kvm_clock_read+0x18/0x30 [ 288.544812] ? kvm_sched_clock_read+0x9/0x20 [ 288.549226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.554773] ? check_preemption_disabled+0x48/0x200 [ 288.559813] irq_exit+0x17f/0x1c0 [ 288.563277] smp_apic_timer_interrupt+0x1cb/0x760 [ 288.568131] ? smp_call_function_single_interrupt+0x650/0x650 [ 288.574019] ? interrupt_entry+0xb5/0xf0 [ 288.578085] ? trace_hardirqs_off_caller+0xbb/0x300 [ 288.583106] ? trace_hardirqs_off_caller+0xbb/0x300 [ 288.588129] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.592976] ? trace_hardirqs_off+0x300/0x300 [ 288.597479] ? trace_hardirqs_off+0x300/0x300 [ 288.601977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.607527] ? check_preemption_disabled+0x48/0x200 [ 288.612547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.618099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.622954] apic_timer_interrupt+0xf/0x20 [ 288.627198] [ 288.629443] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 288.634835] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 288.653755] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 288.661476] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 288.668758] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 288.676041] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 288.683311] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 288.690578] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 288.697874] ? page_evictable+0x35d/0x540 [ 288.702051] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 288.707590] page_evictable+0x36b/0x540 [ 288.711571] ? kswapd_stop+0x100/0x100 [ 288.715468] ? ___might_sleep+0x1ed/0x300 [ 288.719621] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.725078] ? arch_local_save_flags+0x40/0x40 [ 288.729669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.735213] ? check_preemption_disabled+0x48/0x200 [ 288.740246] shrink_active_list+0x845/0x1c20 [ 288.744662] ? free_unref_page_list+0xc0f/0x11e0 [ 288.749435] ? shrink_inactive_list+0x1c60/0x1c60 [ 288.754298] ? graph_lock+0x170/0x170 [ 288.758106] ? __page_frag_cache_drain+0x200/0x200 [ 288.763037] ? print_usage_bug+0xc0/0xc0 [ 288.767156] ? find_held_lock+0x36/0x1c0 [ 288.771225] ? graph_lock+0x170/0x170 [ 288.775039] ? mark_held_locks+0xc7/0x130 [ 288.781208] ? check_preemption_disabled+0x48/0x200 [ 288.786226] ? check_preemption_disabled+0x48/0x200 [ 288.791253] ? graph_lock+0x170/0x170 [ 288.795055] ? __lock_is_held+0xb5/0x140 [ 288.799123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.804661] ? check_preemption_disabled+0x48/0x200 [ 288.809693] ? __lock_is_held+0xb5/0x140 [ 288.813777] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 288.818804] ? inactive_list_is_low+0x305/0x880 [ 288.823484] ? lruvec_lru_size+0x450/0x450 [ 288.827720] ? kasan_check_read+0x11/0x20 [ 288.831883] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 288.836832] shrink_node_memcg+0x803/0x18e0 [ 288.841176] ? shrink_active_list+0x1c20/0x1c20 [ 288.845857] ? lockdep_hardirqs_on+0x421/0x5c0 [ 288.850446] ? trace_hardirqs_on+0xbd/0x310 [ 288.854777] ? vmpressure+0x294/0x310 [ 288.858587] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.864071] shrink_node+0x3bc/0x16b0 [ 288.867879] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 288.873189] ? shrink_node_memcg+0x18e0/0x18e0 [ 288.877781] ? lockdep_hardirqs_on+0x421/0x5c0 [ 288.882372] ? trace_hardirqs_on+0xbd/0x310 [ 288.886708] ? vmpressure+0x294/0x310 [ 288.890519] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.894931] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 288.899528] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 288.905081] ? __cpuset_node_allowed+0x19b/0x660 [ 288.909849] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 288.915581] ? vmpressure+0x1c9/0x310 [ 288.919404] do_try_to_free_pages+0x3e7/0x1290 [ 288.924019] ? shrink_node+0x16b0/0x16b0 [ 288.928089] ? __lock_is_held+0xb5/0x140 [ 288.932174] try_to_free_pages+0x4d0/0xb90 [ 288.936418] ? do_try_to_free_pages+0x1290/0x1290 [ 288.941264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.946824] ? lock_acquire+0x1ed/0x520 [ 288.950813] ? set_page_refcounted+0x280/0x280 [ 288.955407] ? lock_release+0x970/0x970 [ 288.959395] ? ___might_sleep+0x1ed/0x300 [ 288.963558] ? arch_local_save_flags+0x40/0x40 [ 288.968248] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 288.973290] ? __radix_tree_lookup+0x358/0x4c0 [ 288.977907] __alloc_pages_slowpath+0x993/0x2d80 [ 288.982700] ? kasan_check_read+0x11/0x20 [ 288.986858] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.992140] ? warn_alloc+0x120/0x120 [ 288.995950] ? __radix_tree_lookup+0x4c0/0x4c0 [ 289.000586] ? find_get_entry+0x2f2/0xc40 [ 289.004751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.010305] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 289.015243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.020790] ? should_fail+0x22d/0xd01 [ 289.024687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.029802] ? __lock_is_held+0xb5/0x140 [ 289.033865] ? graph_lock+0x170/0x170 [ 289.037672] ? graph_lock+0x170/0x170 [ 289.041497] ? __lock_is_held+0xb5/0x140 [ 289.045572] ? __lock_acquire+0x7ec/0x4ec0 [ 289.049818] ? ___might_sleep+0x1ed/0x300 [ 289.053969] ? lock_release+0x970/0x970 [ 289.057959] ? arch_local_save_flags+0x40/0x40 [ 289.062563] ? __might_sleep+0x95/0x190 [ 289.066546] __alloc_pages_nodemask+0xa80/0xde0 [ 289.071226] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 289.076252] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 289.082054] ? kasan_check_read+0x11/0x20 [ 289.086209] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.091493] ? graph_lock+0x170/0x170 [ 289.095301] ? print_usage_bug+0xc0/0xc0 [ 289.099373] ? graph_lock+0x170/0x170 [ 289.103177] ? graph_lock+0x170/0x170 [ 289.106991] ? __do_page_cache_readahead+0x7ce/0x980 [ 289.112106] ? find_held_lock+0x36/0x1c0 [ 289.116181] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 289.121730] alloc_pages_current+0x10c/0x210 [ 289.126150] ? lock_downgrade+0x900/0x900 [ 289.130308] __page_cache_alloc+0x38f/0x5b0 [ 289.134637] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 289.140437] ? kasan_check_read+0x11/0x20 [ 289.144592] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.149881] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 289.154558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.160099] ? check_preemption_disabled+0x48/0x200 [ 289.165129] filemap_fault+0x1594/0x25f0 [ 289.169210] ? __lock_page_or_retry+0xa00/0xa00 [ 289.173886] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 289.179684] ? kasan_check_read+0x11/0x20 [ 289.183852] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.189145] ? rcu_bh_qs+0xc0/0xc0 [ 289.192697] ? print_usage_bug+0xc0/0xc0 [ 289.196777] ? filemap_map_pages+0xdea/0x1980 [ 289.201283] ? print_usage_bug+0xc0/0xc0 [ 289.205376] ? find_get_pages_range_tag+0x1320/0x1320 [ 289.210599] ? print_usage_bug+0xc0/0xc0 [ 289.214662] ? __lock_acquire+0x7ec/0x4ec0 [ 289.218910] ? graph_lock+0x170/0x170 [ 289.222725] ? __sigqueue_free.part.27+0x7d/0xa0 [ 289.227494] ? __lock_acquire+0x7ec/0x4ec0 [ 289.231776] ? lock_acquire+0x1ed/0x520 [ 289.238551] ? ext4_filemap_fault+0x7a/0xad [ 289.242906] ? lock_release+0x970/0x970 [ 289.246907] ? arch_local_save_flags+0x40/0x40 [ 289.251523] ? mark_held_locks+0x130/0x130 [ 289.255801] ? down_read+0xb0/0x1d0 [ 289.259446] ? ext4_filemap_fault+0x7a/0xad [ 289.263790] ? __down_interruptible+0x700/0x700 [ 289.268492] ? graph_lock+0x170/0x170 [ 289.272321] ? __sigqueue_free.part.27+0x7d/0xa0 [ 289.277107] ext4_filemap_fault+0x82/0xad [ 289.281281] __do_fault+0x100/0x6b0 [ 289.284928] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.290228] ? print_bad_pte+0x6c0/0x6c0 [ 289.294305] ? pmd_val+0x88/0x100 [ 289.297784] ? add_mm_counter_fast+0xd0/0xd0 [ 289.302195] ? pmd_val+0x88/0x100 [ 289.305654] ? add_mm_counter_fast+0xd0/0xd0 [ 289.310075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.315620] __handle_mm_fault+0x3709/0x53e0 [ 289.320047] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 289.324912] ? graph_lock+0x170/0x170 [ 289.328716] ? print_usage_bug+0xc0/0xc0 [ 289.332790] ? graph_lock+0x170/0x170 [ 289.336592] ? graph_lock+0x170/0x170 [ 289.340414] ? handle_mm_fault+0x42a/0xc70 [ 289.344656] ? lock_downgrade+0x900/0x900 [ 289.348803] ? check_preemption_disabled+0x48/0x200 [ 289.353828] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 289.359627] ? kasan_check_read+0x11/0x20 [ 289.363785] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.369067] ? rcu_bh_qs+0xc0/0xc0 [ 289.372621] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.378079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.383617] ? check_preemption_disabled+0x48/0x200 [ 289.388647] handle_mm_fault+0x54f/0xc70 [ 289.392715] ? __handle_mm_fault+0x53e0/0x53e0 [ 289.397305] ? find_vma+0x34/0x190 [ 289.400858] __do_page_fault+0x67d/0xed0 [ 289.404932] ? mm_fault_error+0x380/0x380 [ 289.409088] ? syscall_slow_exit_work+0x520/0x520 [ 289.413938] do_page_fault+0xf2/0x7e0 [ 289.417747] ? vmalloc_sync_all+0x30/0x30 [ 289.421905] ? error_entry+0x70/0xd0 [ 289.425627] ? trace_hardirqs_off_caller+0xbb/0x300 [ 289.430646] ? trace_hardirqs_on_caller+0xc0/0x300 [ 289.435577] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.440513] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.445370] ? trace_hardirqs_off+0x300/0x300 [ 289.449869] ? trace_hardirqs_off_caller+0x300/0x300 [ 289.454998] ? prepare_exit_to_usermode+0x291/0x3b0 [ 289.460027] ? page_fault+0x8/0x30 [ 289.463580] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.468433] ? page_fault+0x8/0x30 [ 289.471990] page_fault+0x1e/0x30 [ 289.475450] RIP: 0033:0x45db60 [ 289.478655] Code: Bad RIP value. [ 289.482021] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 289.487389] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 289.494661] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 289.501937] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 289.509208] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 289.516479] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 289.523794] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 289.523800] warn_alloc_show_mem: 1 callbacks suppressed [ 289.523807] Mem-Info: [ 289.531000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.536368] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 289.536368] active_file:15 inactive_file:16 isolated_file:2 [ 289.536368] unevictable:0 dirty:0 writeback:0 unstable:0 [ 289.536368] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 289.536368] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 289.536368] free:13788 free_pcp:262 free_cma:0 [ 289.538742] Call Trace: [ 289.548142] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 289.581010] [ 289.583588] Node 0 [ 289.611290] dump_stack+0x1c4/0x2b4 [ 289.613434] 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 [ 289.615664] ? dump_stack_print_info.cold.2+0x52/0x52 [ 289.619272] lowmem_reserve[]: [ 289.644806] warn_alloc.cold.118+0xb7/0x1bd [ 289.649996] 0 [ 289.653134] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.657423] 2815 [ 289.659229] ? lock_downgrade+0x900/0x900 [ 289.664032] 6318 6318 [ 289.666112] ? trace_hardirqs_off+0xb8/0x300 [ 289.672719] ? trace_hardirqs_off+0xb8/0x300 [ 289.677096] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 289.681533] __alloc_pages_slowpath+0x2667/0x2d80 [ 289.681577] ? warn_alloc+0x120/0x120 [ 289.709132] lowmem_reserve[]: [ 289.714000] ? trace_hardirqs_on+0x310/0x310 [ 289.717763] 0 [ 289.720870] ? warn_alloc+0x120/0x120 [ 289.725248] 0 [ 289.727055] ? print_usage_bug+0xc0/0xc0 [ 289.730831] 3503 [ 289.732631] ? warn_alloc+0x120/0x120 [ 289.736662] 3503 [ 289.738724] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 289.744555] ? print_usage_bug+0xc0/0xc0 [ 289.749548] Node 0 Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 289.753639] ? __lock_acquire+0x7ec/0x4ec0 [ 289.753655] ? __lock_acquire+0x7ec/0x4ec0 [ 289.782617] lowmem_reserve[]: 0 [ 289.786883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.791083] 0 [ 289.794365] ? should_fail+0x22d/0xd01 [ 289.799873] 0 [ 289.801685] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.805535] 0 [ 289.807342] ? __lock_acquire+0x7ec/0x4ec0 [ 289.814217] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.818417] Node 0 [ 289.823514] ? __lock_acquire+0x7ec/0x4ec0 [ 289.823525] DMA: [ 289.825762] ? should_fail+0x22d/0xd01 [ 289.830220] 1*4kB [ 289.832286] ? print_usage_bug+0xc0/0xc0 [ 289.836148] (U) [ 289.838307] ? mark_held_locks+0x130/0x130 [ 289.842336] 0*8kB [ 289.844311] ? mark_held_locks+0x130/0x130 [ 289.848517] 0*16kB [ 289.850669] ? graph_lock+0x170/0x170 [ 289.854875] 1*32kB [ 289.857105] ? print_usage_bug+0xc0/0xc0 [ 289.860877] (U) [ 289.863115] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 289.867148] 2*64kB [ 289.869124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.873853] (U) [ 289.876084] ? check_preemption_disabled+0x48/0x200 [ 289.881595] 1*128kB [ 289.883563] ? check_preemption_disabled+0x48/0x200 [ 289.888551] (U) [ 289.890876] ? __lock_is_held+0xb5/0x140 [ 289.895857] 1*256kB [ 289.897831] __alloc_pages_nodemask+0xa80/0xde0 [ 289.901860] (U) [ 289.904176] ? graph_lock+0x170/0x170 [ 289.908820] 0*512kB [ 289.910794] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 289.914568] 1*1024kB [ 289.916887] ? graph_lock+0x170/0x170 [ 289.921878] (U) [ 289.924297] ? find_held_lock+0x36/0x1c0 [ 289.928065] 1*2048kB (M) [ 289.930051] ? ____cache_alloc_node+0x1c7/0x1e0 [ 289.934080] 3*4096kB [ 289.936831] ? lock_downgrade+0x900/0x900 [ 289.941477] (M) [ 289.943887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.948012] = 15908kB [ 289.949998] cache_grow_begin+0x91/0x8c0 [ 289.955505] Node 0 [ 289.957919] ? do_raw_spin_unlock+0xa7/0x2f0 [ 289.962489] DMA32: [ 289.964736] fallback_alloc+0x203/0x2e0 [ 289.969105] 3*4kB [ 289.971339] ____cache_alloc_node+0x1c7/0x1e0 [ 289.975281] (M) [ 289.977428] kmem_cache_alloc_node+0xe3/0x730 [ 289.981899] 2*8kB [ 289.983872] ? ipv6_get_ifaddr+0x42e/0x620 [ 289.988334] (M) [ 289.990486] __alloc_skb+0x119/0x770 [ 289.994685] 1*16kB (M) [ 289.996668] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.000351] 1*32kB [ 290.002926] ? skb_scrub_packet+0x490/0x490 [ 290.008179] (M) [ 290.010412] ? lock_downgrade+0x900/0x900 [ 290.014705] 3*64kB [ 290.016680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.020842] (UM) [ 290.023082] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.028594] 3*128kB [ 290.030655] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.036079] (M) [ 290.038399] ? addrconf_rs_timer+0x6f0/0x6f0 [ 290.043821] 2*256kB [ 290.045799] ndisc_alloc_skb+0x144/0x340 [ 290.050175] (M) [ 290.052493] ndisc_send_rs+0x331/0x6e0 [ 290.056533] 3*512kB [ 290.058509] addrconf_rs_timer+0x3c0/0x6f0 [ 290.062368] (M) [ 290.064692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.068900] 4*1024kB [ 290.070881] call_timer_fn+0x272/0x920 [ 290.075079] (UM) [ 290.077493] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.081344] 3*2048kB (UM) [ 290.083418] ? process_timeout+0x40/0x40 [ 290.087625] 3*4096kB [ 290.090472] ? find_held_lock+0x36/0x1c0 [ 290.094508] (M) [ 290.096929] ? __run_timers+0x7da/0xc70 [ 290.100956] = 25228kB [ 290.102939] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.106885] Node 0 [ 290.109294] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.113778] Normal: [ 290.116010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.120475] 866*4kB [ 290.122804] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 290.127013] (ME) [ 290.129332] ? trace_hardirqs_on+0xbd/0x310 [ 290.133887] 469*8kB [ 290.135944] ? kasan_check_read+0x11/0x20 [ 290.140242] (UME) [ 290.142567] ? __run_timers+0x7da/0xc70 [ 290.146685] 197*16kB [ 290.148838] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.152787] (UME) [ 290.155199] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.160613] 59*32kB (UME) [ 290.162770] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.166988] 18*64kB [ 290.169836] __run_timers+0x7e5/0xc70 [ 290.174033] (ME) 3*128kB [ 290.176375] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 290.180139] (M) [ 290.182895] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 290.188229] 1*256kB [ 290.190205] ? graph_lock+0x170/0x170 [ 290.195195] (U) [ 290.197514] ? enqueue_hrtimer+0x1a5/0x560 [ 290.201290] 0*512kB [ 290.203273] ? lock_release+0x970/0x970 [ 290.207482] 0*1024kB [ 290.209805] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 290.213751] 0*2048kB [ 290.216160] ? find_held_lock+0x36/0x1c0 [ 290.221318] 0*4096kB = 14048kB [ 290.223742] ? graph_lock+0x170/0x170 [ 290.227779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 290.230961] ? pvclock_read_flags+0x160/0x160 [ 290.234740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 290.243574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.248039] 412 total pagecache pages [ 290.256615] ? check_preemption_disabled+0x48/0x200 [ 290.262141] 0 pages in swap cache [ 290.265948] ? __lock_is_held+0xb5/0x140 [ 290.270949] Swap cache stats: add 0, delete 0, find 0/0 [ 290.274416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.278442] Free swap = 0kB [ 290.283799] ? check_preemption_disabled+0x48/0x200 [ 290.289304] Total swap = 0kB [ 290.289312] 1965979 pages RAM [ 290.292334] run_timer_softirq+0x52/0xb0 [ 290.297318] 0 pages HighMem/MovableOnly [ 290.297328] 343323 pages reserved [ 290.300347] ? rcu_read_lock_sched_held+0x108/0x120 [ 290.303424] 0 pages cma reserved [ 290.307481] __do_softirq+0x30b/0xad8 [ 290.311502] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.314881] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 290.319996] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.323228] ? pvclock_read_flags+0x160/0x160 [ 290.327011] syz-fuzzer cpuset= [ 290.333507] ? lapic_next_event+0x5a/0x90 [ 290.338585] / [ 290.348842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.353312] mems_allowed=0 [ 290.356497] ? check_preemption_disabled+0x48/0x200 [ 290.375772] ? check_preemption_disabled+0x48/0x200 [ 290.380802] ? kvm_clock_read+0x18/0x30 [ 290.384780] ? kvm_sched_clock_read+0x9/0x20 [ 290.389201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.394743] ? check_preemption_disabled+0x48/0x200 [ 290.399778] irq_exit+0x17f/0x1c0 [ 290.403246] smp_apic_timer_interrupt+0x1cb/0x760 [ 290.408105] ? smp_reschedule_interrupt+0x109/0x650 [ 290.413138] ? smp_call_function_single_interrupt+0x650/0x650 [ 290.419042] ? interrupt_entry+0xb5/0xf0 [ 290.423122] ? trace_hardirqs_off_caller+0xbb/0x300 [ 290.428147] ? trace_hardirqs_off_caller+0xbb/0x300 [ 290.433173] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.438027] ? trace_hardirqs_off+0x300/0x300 [ 290.442529] ? trace_hardirqs_off+0x300/0x300 [ 290.447033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.452577] ? check_preemption_disabled+0x48/0x200 [ 290.457597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.463147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.468021] apic_timer_interrupt+0xf/0x20 [ 290.472253] [ 290.474508] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 290.479456] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 290.498383] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 290.506125] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 290.513416] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 290.520705] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 290.528003] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 290.535376] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 290.542719] skb_clone+0x1bb/0x500 [ 290.546309] ? skb_split+0x11e0/0x11e0 [ 290.550207] ? dev_forward_skb+0x4c/0x60 [ 290.554301] ? __bpf_redirect+0x54b/0xb20 [ 290.558467] ? __switch_to_asm+0x34/0x70 [ 290.562547] bpf_clone_redirect+0xb9/0x490 [ 290.566814] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 290.571855] ? __sched_text_start+0x8/0x8 [ 290.576026] ? lockdep_hardirqs_on+0x421/0x5c0 [ 290.580628] ? retint_kernel+0x2d/0x2d [ 290.584619] ? trace_hardirqs_on_caller+0xc0/0x300 [ 290.589565] ? find_held_lock+0x36/0x1c0 [ 290.593648] ? lock_acquire+0x1ed/0x520 [ 290.597640] ? bpf_test_run+0x32e/0x5a0 [ 290.601634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.607185] ? check_preemption_disabled+0x48/0x200 [ 290.612211] ? kasan_check_read+0x11/0x20 [ 290.616366] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.621647] ? rcu_bh_qs+0xc0/0xc0 [ 290.625194] ? preempt_schedule+0x4d/0x60 [ 290.629351] ? ___preempt_schedule+0x16/0x18 [ 290.633770] ? bpf_test_run+0x1c0/0x5a0 [ 290.638379] ? netlink_diag_dump+0x2a0/0x2a0 [ 290.642801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.648354] ? bpf_test_init.isra.9+0x70/0x100 [ 290.652954] ? bpf_prog_test_run_skb+0x634/0xb40 [ 290.657734] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 290.662580] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 290.668120] ? fput+0x130/0x1a0 [ 290.671410] ? __bpf_prog_get+0x9b/0x290 [ 290.675477] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 290.680322] ? bpf_prog_test_run+0x130/0x1a0 [ 290.684738] ? __x64_sys_bpf+0x3d8/0x510 [ 290.688808] ? bpf_prog_get+0x20/0x20 [ 290.692624] ? ksys_ioctl+0x81/0xd0 [ 290.696263] ? do_syscall_64+0x1b9/0x820 [ 290.700336] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 290.705707] ? syscall_return_slowpath+0x5e0/0x5e0 [ 290.710648] ? trace_hardirqs_off+0x300/0x300 [ 290.715155] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 290.720179] ? recalc_sigpending_tsk+0x180/0x180 [ 290.724941] ? kasan_check_write+0x14/0x20 [ 290.729185] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.734061] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.739447] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 290.739534] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.746374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.746385] Call Trace: [ 290.753005] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.762220] [ 290.764791] syz-executor0 cpuset= [ 290.775282] dump_stack+0x1c4/0x2b4 [ 290.777408] syz0 [ 290.780861] ? dump_stack_print_info.cold.2+0x52/0x52 [ 290.784464] mems_allowed=0 [ 290.786445] warn_alloc.cold.118+0xb7/0x1bd [ 290.798865] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.803723] ? lock_downgrade+0x900/0x900 [ 290.807903] ? trace_hardirqs_off+0xb8/0x300 [ 290.812325] ? trace_hardirqs_off+0xb8/0x300 [ 290.816747] __alloc_pages_slowpath+0x2667/0x2d80 [ 290.821632] ? warn_alloc+0x120/0x120 [ 290.825444] ? trace_hardirqs_on+0x310/0x310 [ 290.829856] ? warn_alloc+0x120/0x120 [ 290.833666] ? print_usage_bug+0xc0/0xc0 [ 290.837739] ? warn_alloc+0x120/0x120 [ 290.841822] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 290.846845] ? print_usage_bug+0xc0/0xc0 [ 290.850918] ? __lock_acquire+0x7ec/0x4ec0 [ 290.855159] ? __lock_acquire+0x7ec/0x4ec0 [ 290.859404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.864957] ? should_fail+0x22d/0xd01 [ 290.868866] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.873998] ? __lock_acquire+0x7ec/0x4ec0 [ 290.878251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.883365] ? __lock_acquire+0x7ec/0x4ec0 [ 290.887605] ? should_fail+0x22d/0xd01 [ 290.891502] ? print_usage_bug+0xc0/0xc0 [ 290.895587] ? mark_held_locks+0x130/0x130 [ 290.899835] ? mark_held_locks+0x130/0x130 [ 290.904084] ? graph_lock+0x170/0x170 [ 290.907891] ? print_usage_bug+0xc0/0xc0 [ 290.911973] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.916772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.922349] ? check_preemption_disabled+0x48/0x200 [ 290.927386] ? check_preemption_disabled+0x48/0x200 [ 290.932441] ? __lock_is_held+0xb5/0x140 [ 290.936541] __alloc_pages_nodemask+0xa80/0xde0 [ 290.941243] ? graph_lock+0x170/0x170 [ 290.945082] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 290.950123] ? graph_lock+0x170/0x170 [ 290.953951] ? find_held_lock+0x36/0x1c0 [ 290.958040] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.962717] ? lock_downgrade+0x900/0x900 [ 290.966877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.972432] cache_grow_begin+0x91/0x8c0 [ 290.976502] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.980927] fallback_alloc+0x203/0x2e0 [ 290.984918] ____cache_alloc_node+0x1c7/0x1e0 [ 290.989423] kmem_cache_alloc_node+0xe3/0x730 [ 290.993924] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.998177] __alloc_skb+0x119/0x770 [ 291.001900] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.007185] ? skb_scrub_packet+0x490/0x490 [ 291.011511] ? lock_downgrade+0x900/0x900 [ 291.015670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.021216] ? refcount_sub_and_test_checked+0x203/0x310 [ 291.026692] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 291.032166] ? addrconf_rs_timer+0x6f0/0x6f0 [ 291.036602] ndisc_alloc_skb+0x144/0x340 [ 291.040676] ndisc_send_rs+0x331/0x6e0 [ 291.044578] addrconf_rs_timer+0x3c0/0x6f0 [ 291.048824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.053078] call_timer_fn+0x272/0x920 [ 291.056967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.061216] ? process_timeout+0x40/0x40 [ 291.065280] ? find_held_lock+0x36/0x1c0 [ 291.069356] ? mark_held_locks+0xc7/0x130 [ 291.073530] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.078032] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.082529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.086775] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 291.091365] ? trace_hardirqs_on+0xbd/0x310 [ 291.095691] ? kasan_check_read+0x11/0x20 [ 291.099847] ? __run_timers+0x7da/0xc70 [ 291.103825] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.109285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.113528] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.117771] __run_timers+0x7e5/0xc70 [ 291.121592] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 291.127047] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 291.132069] ? graph_lock+0x170/0x170 [ 291.135880] ? print_usage_bug+0xc0/0xc0 [ 291.139945] ? lock_release+0x970/0x970 [ 291.143928] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 291.149132] ? find_held_lock+0x36/0x1c0 [ 291.153204] ? graph_lock+0x170/0x170 [ 291.157022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.162561] ? check_preemption_disabled+0x48/0x200 [ 291.167594] ? __lock_is_held+0xb5/0x140 [ 291.171661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.177200] ? check_preemption_disabled+0x48/0x200 [ 291.182229] run_timer_softirq+0x52/0xb0 [ 291.186298] ? rcu_read_lock_sched_held+0x108/0x120 [ 291.191328] __do_softirq+0x30b/0xad8 [ 291.195150] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 291.200271] ? pvclock_read_flags+0x160/0x160 [ 291.204784] ? lapic_next_event+0x5a/0x90 [ 291.208944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.214491] ? check_preemption_disabled+0x48/0x200 [ 291.219513] ? check_preemption_disabled+0x48/0x200 [ 291.224546] ? kvm_clock_read+0x18/0x30 [ 291.228524] ? kvm_sched_clock_read+0x9/0x20 [ 291.232959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.238505] ? check_preemption_disabled+0x48/0x200 [ 291.243534] irq_exit+0x17f/0x1c0 [ 291.247001] smp_apic_timer_interrupt+0x1cb/0x760 [ 291.251850] ? smp_call_function_single_interrupt+0x650/0x650 [ 291.257759] ? interrupt_entry+0xb5/0xf0 [ 291.261851] ? trace_hardirqs_off_caller+0xbb/0x300 [ 291.266867] ? trace_hardirqs_off_caller+0xbb/0x300 [ 291.271888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.276742] ? trace_hardirqs_off+0x300/0x300 [ 291.281244] ? trace_hardirqs_off+0x300/0x300 [ 291.285747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.291297] ? check_preemption_disabled+0x48/0x200 [ 291.296322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.301876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.306734] apic_timer_interrupt+0xf/0x20 [ 291.310973] [ 291.313246] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 291.318623] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 291.337533] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 291.345267] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 291.352537] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 291.359806] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 291.367085] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 291.374358] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 291.381660] ? page_evictable+0x35d/0x540 [ 291.385821] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 291.391362] page_evictable+0x36b/0x540 [ 291.395344] ? kswapd_stop+0x100/0x100 [ 291.399239] ? ___might_sleep+0x1ed/0x300 [ 291.403393] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.408855] ? arch_local_save_flags+0x40/0x40 [ 291.413443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.418998] ? check_preemption_disabled+0x48/0x200 [ 291.424031] shrink_active_list+0x845/0x1c20 [ 291.428446] ? free_unref_page_list+0xc0f/0x11e0 [ 291.433223] ? shrink_inactive_list+0x1c60/0x1c60 [ 291.438094] ? graph_lock+0x170/0x170 [ 291.441902] ? __page_frag_cache_drain+0x200/0x200 [ 291.446836] ? print_usage_bug+0xc0/0xc0 [ 291.450918] ? find_held_lock+0x36/0x1c0 [ 291.454993] ? graph_lock+0x170/0x170 [ 291.458802] ? mark_held_locks+0xc7/0x130 [ 291.462954] ? check_preemption_disabled+0x48/0x200 [ 291.467974] ? check_preemption_disabled+0x48/0x200 [ 291.473024] ? graph_lock+0x170/0x170 [ 291.476836] ? __lock_is_held+0xb5/0x140 [ 291.480905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.486442] ? check_preemption_disabled+0x48/0x200 [ 291.491471] ? __lock_is_held+0xb5/0x140 [ 291.495547] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 291.500574] ? inactive_list_is_low+0x305/0x880 [ 291.505255] ? lruvec_lru_size+0x450/0x450 [ 291.509499] ? kasan_check_read+0x11/0x20 [ 291.513661] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 291.518605] shrink_node_memcg+0x803/0x18e0 [ 291.522947] ? shrink_active_list+0x1c20/0x1c20 [ 291.527642] ? lockdep_hardirqs_on+0x421/0x5c0 [ 291.532230] ? trace_hardirqs_on+0xbd/0x310 [ 291.536558] ? vmpressure+0x294/0x310 [ 291.540366] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.545845] shrink_node+0x3bc/0x16b0 [ 291.549650] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 291.554955] ? shrink_node_memcg+0x18e0/0x18e0 [ 291.559549] ? lockdep_hardirqs_on+0x421/0x5c0 [ 291.564148] ? trace_hardirqs_on+0xbd/0x310 [ 291.568484] ? vmpressure+0x294/0x310 [ 291.572299] ? do_raw_spin_unlock+0xa7/0x2f0 [ 291.576714] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 291.581308] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 291.586848] ? __cpuset_node_allowed+0x19b/0x660 [ 291.591611] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 291.597325] ? vmpressure+0x1c9/0x310 [ 291.601141] do_try_to_free_pages+0x3e7/0x1290 [ 291.605747] ? shrink_node+0x16b0/0x16b0 [ 291.609823] ? __lock_is_held+0xb5/0x140 [ 291.613914] try_to_free_pages+0x4d0/0xb90 [ 291.618160] ? do_try_to_free_pages+0x1290/0x1290 [ 291.623016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.628575] ? lock_acquire+0x1ed/0x520 [ 291.632555] ? set_page_refcounted+0x280/0x280 [ 291.637150] ? lock_release+0x970/0x970 [ 291.641133] ? ___might_sleep+0x1ed/0x300 [ 291.645290] ? arch_local_save_flags+0x40/0x40 [ 291.649880] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 291.654904] ? __radix_tree_lookup+0x358/0x4c0 [ 291.659500] __alloc_pages_slowpath+0x993/0x2d80 [ 291.664290] ? kasan_check_read+0x11/0x20 [ 291.668448] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.673730] ? warn_alloc+0x120/0x120 [ 291.677537] ? __radix_tree_lookup+0x4c0/0x4c0 [ 291.682138] ? find_get_entry+0x2f2/0xc40 [ 291.686302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.691844] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 291.696783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.702326] ? should_fail+0x22d/0xd01 [ 291.706221] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.711327] ? __lock_is_held+0xb5/0x140 [ 291.715391] ? graph_lock+0x170/0x170 [ 291.719280] ? graph_lock+0x170/0x170 [ 291.723101] ? __lock_is_held+0xb5/0x140 [ 291.727176] ? __lock_acquire+0x7ec/0x4ec0 [ 291.731419] ? ___might_sleep+0x1ed/0x300 [ 291.735568] ? lock_release+0x970/0x970 [ 291.739550] ? arch_local_save_flags+0x40/0x40 [ 291.744145] ? __might_sleep+0x95/0x190 [ 291.748132] __alloc_pages_nodemask+0xa80/0xde0 [ 291.752829] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 291.757852] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.763650] ? kasan_check_read+0x11/0x20 [ 291.767807] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.773113] ? graph_lock+0x170/0x170 [ 291.776932] ? print_usage_bug+0xc0/0xc0 [ 291.781015] ? graph_lock+0x170/0x170 [ 291.784818] ? graph_lock+0x170/0x170 [ 291.788676] ? __do_page_cache_readahead+0x7ce/0x980 [ 291.793799] ? find_held_lock+0x36/0x1c0 [ 291.797896] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 291.803452] alloc_pages_current+0x10c/0x210 [ 291.807874] ? lock_downgrade+0x900/0x900 [ 291.812054] __page_cache_alloc+0x38f/0x5b0 [ 291.816390] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.822202] ? kasan_check_read+0x11/0x20 [ 291.826375] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.832196] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 291.836891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.842445] ? check_preemption_disabled+0x48/0x200 [ 291.847488] filemap_fault+0x1594/0x25f0 [ 291.851589] ? __lock_page_or_retry+0xa00/0xa00 [ 291.856272] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.862091] ? kasan_check_read+0x11/0x20 [ 291.866262] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.871555] ? rcu_bh_qs+0xc0/0xc0 [ 291.875124] ? print_usage_bug+0xc0/0xc0 [ 291.879214] ? filemap_map_pages+0xdea/0x1980 [ 291.883730] ? print_usage_bug+0xc0/0xc0 [ 291.887821] ? find_get_pages_range_tag+0x1320/0x1320 [ 291.893022] ? print_usage_bug+0xc0/0xc0 [ 291.897089] ? __lock_acquire+0x7ec/0x4ec0 [ 291.901327] ? graph_lock+0x170/0x170 [ 291.905139] ? __sigqueue_free.part.27+0x7d/0xa0 [ 291.909904] ? __lock_acquire+0x7ec/0x4ec0 [ 291.914160] ? lock_acquire+0x1ed/0x520 [ 291.918139] ? ext4_filemap_fault+0x7a/0xad [ 291.922469] ? lock_release+0x970/0x970 [ 291.926450] ? arch_local_save_flags+0x40/0x40 [ 291.931045] ? mark_held_locks+0x130/0x130 [ 291.935294] ? down_read+0xb0/0x1d0 [ 291.938923] ? ext4_filemap_fault+0x7a/0xad [ 291.943250] ? __down_interruptible+0x700/0x700 [ 291.947928] ? graph_lock+0x170/0x170 [ 291.951744] ? __sigqueue_free.part.27+0x7d/0xa0 [ 291.956523] ext4_filemap_fault+0x82/0xad [ 291.961189] __do_fault+0x100/0x6b0 [ 291.964824] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.970108] ? print_bad_pte+0x6c0/0x6c0 [ 291.974179] ? pmd_val+0x88/0x100 [ 291.977639] ? add_mm_counter_fast+0xd0/0xd0 [ 291.982047] ? pmd_val+0x88/0x100 [ 291.985505] ? add_mm_counter_fast+0xd0/0xd0 [ 291.989921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.995467] __handle_mm_fault+0x3709/0x53e0 [ 291.999889] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 292.004739] ? graph_lock+0x170/0x170 [ 292.008546] ? print_usage_bug+0xc0/0xc0 [ 292.012614] ? graph_lock+0x170/0x170 [ 292.016419] ? graph_lock+0x170/0x170 [ 292.020245] ? handle_mm_fault+0x42a/0xc70 [ 292.024486] ? lock_downgrade+0x900/0x900 [ 292.028638] ? check_preemption_disabled+0x48/0x200 [ 292.033669] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 292.039469] ? kasan_check_read+0x11/0x20 [ 292.043620] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.048899] ? rcu_bh_qs+0xc0/0xc0 [ 292.052441] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.057901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.063444] ? check_preemption_disabled+0x48/0x200 [ 292.068477] handle_mm_fault+0x54f/0xc70 [ 292.072548] ? __handle_mm_fault+0x53e0/0x53e0 [ 292.077136] ? find_vma+0x34/0x190 [ 292.080685] __do_page_fault+0x67d/0xed0 [ 292.084758] ? mm_fault_error+0x380/0x380 [ 292.088926] ? syscall_slow_exit_work+0x520/0x520 [ 292.093783] do_page_fault+0xf2/0x7e0 [ 292.097593] ? vmalloc_sync_all+0x30/0x30 [ 292.101748] ? error_entry+0x70/0xd0 [ 292.105473] ? trace_hardirqs_off_caller+0xbb/0x300 [ 292.110489] ? trace_hardirqs_on_caller+0xc0/0x300 [ 292.115419] ? syscall_return_slowpath+0x5e0/0x5e0 [ 292.120350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.125197] ? trace_hardirqs_off+0x300/0x300 [ 292.129714] ? trace_hardirqs_off_caller+0x300/0x300 [ 292.134823] ? prepare_exit_to_usermode+0x291/0x3b0 [ 292.139849] ? page_fault+0x8/0x30 [ 292.143397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.148247] ? page_fault+0x8/0x30 [ 292.151795] page_fault+0x1e/0x30 [ 292.155250] RIP: 0033:0x45db60 [ 292.158455] Code: Bad RIP value. [ 292.161817] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 292.167181] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 292.174453] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 292.181723] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 292.189016] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 292.196302] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 292.203614] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 292.203620] warn_alloc_show_mem: 1 callbacks suppressed [ 292.203628] Mem-Info: [ 292.210840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.210855] Call Trace: [ 292.216245] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 292.216245] active_file:15 inactive_file:16 isolated_file:2 [ 292.216245] unevictable:0 dirty:0 writeback:0 unstable:0 [ 292.216245] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 292.216245] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 292.216245] free:13788 free_pcp:262 free_cma:0 [ 292.218622] [ 292.227998] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 292.230583] dump_stack+0x1c4/0x2b4 [ 292.263452] Node 0 [ 292.265617] ? dump_stack_print_info.cold.2+0x52/0x52 [ 292.293293] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 292.296917] warn_alloc.cold.118+0xb7/0x1bd [ 292.299104] lowmem_reserve[]: [ 292.304293] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.329785] 0 2815 [ 292.334141] ? lock_downgrade+0x900/0x900 [ 292.337210] 6318 [ 292.342052] ? trace_hardirqs_off+0xb8/0x300 [ 292.344260] 6318 [ 292.348408] ? trace_hardirqs_off+0xb8/0x300 [ 292.354849] __alloc_pages_slowpath+0x2667/0x2d80 [ 292.356883] Node 0 [ 292.361313] ? warn_alloc+0x120/0x120 [ 292.366127] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 292.368339] ? trace_hardirqs_on+0x310/0x310 [ 292.372107] lowmem_reserve[]: 0 [ 292.399116] ? warn_alloc+0x120/0x120 [ 292.403486] 0 3503 [ 292.406776] ? print_usage_bug+0xc0/0xc0 [ 292.410549] 3503 [ 292.412791] ? warn_alloc+0x120/0x120 [ 292.416827] Node 0 [ 292.418891] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 292.422688] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 292.424894] ? print_usage_bug+0xc0/0xc0 [ 292.429885] lowmem_reserve[]: [ 292.458257] ? __lock_acquire+0x7ec/0x4ec0 [ 292.462287] 0 [ 292.465385] ? __lock_acquire+0x7ec/0x4ec0 [ 292.469597] 0 [ 292.471400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.475599] 0 0 [ 292.477406] ? should_fail+0x22d/0xd01 [ 292.484918] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.488780] Node 0 [ 292.493874] ? __lock_acquire+0x7ec/0x4ec0 [ 292.493885] DMA: [ 292.496119] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.500331] 1*4kB [ 292.502391] ? __lock_acquire+0x7ec/0x4ec0 [ 292.507471] (U) [ 292.509619] ? should_fail+0x22d/0xd01 [ 292.513829] 0*8kB [ 292.515803] ? print_usage_bug+0xc0/0xc0 [ 292.519660] 0*16kB 1*32kB [ 292.521819] ? mark_held_locks+0x130/0x130 [ 292.525844] (U) [ 292.528690] ? mark_held_locks+0x130/0x130 [ 292.532899] 2*64kB [ 292.534877] ? graph_lock+0x170/0x170 [ 292.539083] (U) [ 292.541315] ? print_usage_bug+0xc0/0xc0 [ 292.545092] 1*128kB [ 292.547067] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 292.551100] (U) [ 292.553432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.558162] 1*256kB [ 292.560138] ? check_preemption_disabled+0x48/0x200 [ 292.565645] (U) [ 292.567966] ? check_preemption_disabled+0x48/0x200 [ 292.572956] 0*512kB [ 292.574942] ? __lock_is_held+0xb5/0x140 [ 292.579923] 1*1024kB [ 292.582261] __alloc_pages_nodemask+0xa80/0xde0 [ 292.586288] (U) [ 292.588692] ? graph_lock+0x170/0x170 [ 292.593334] 1*2048kB [ 292.595304] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 292.599078] (M) [ 292.601489] ? graph_lock+0x170/0x170 [ 292.606482] 3*4096kB (M) [ 292.608471] ? find_held_lock+0x36/0x1c0 [ 292.612241] = 15908kB [ 292.615012] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.619040] Node 0 [ 292.621461] ? lock_downgrade+0x900/0x900 [ 292.626095] DMA32: 3*4kB [ 292.628349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.632476] (M) [ 292.635285] cache_grow_begin+0x91/0x8c0 [ 292.640817] 2*8kB [ 292.642809] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.646846] (M) 1*16kB [ 292.649039] fallback_alloc+0x203/0x2e0 [ 292.653415] (M) [ 292.656020] ____cache_alloc_node+0x1c7/0x1e0 [ 292.659955] 1*32kB [ 292.661927] kmem_cache_alloc_node+0xe3/0x730 [ 292.666395] (M) [ 292.668634] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.673100] 3*64kB [ 292.675076] __alloc_skb+0x119/0x770 [ 292.679269] (UM) 3*128kB [ 292.681524] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.685208] (M) [ 292.687966] ? skb_scrub_packet+0x490/0x490 [ 292.693219] 2*256kB [ 292.695196] ? lock_downgrade+0x900/0x900 [ 292.699486] (M) [ 292.701809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.705930] 3*512kB [ 292.707903] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.713415] (M) [ 292.715737] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.721153] 4*1024kB (UM) [ 292.723139] ? addrconf_rs_timer+0x6f0/0x6f0 [ 292.728561] 3*2048kB [ 292.731413] ndisc_alloc_skb+0x144/0x340 [ 292.735786] (UM) [ 292.738203] ndisc_send_rs+0x331/0x6e0 [ 292.742232] 3*4096kB [ 292.744298] addrconf_rs_timer+0x3c0/0x6f0 [ 292.748156] (M) [ 292.750569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.754775] = 25228kB [ 292.756756] call_timer_fn+0x272/0x920 [ 292.760956] Node 0 [ 292.763364] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.767223] Normal: [ 292.769463] ? process_timeout+0x40/0x40 [ 292.773670] 866*4kB [ 292.776000] ? find_held_lock+0x36/0x1c0 [ 292.780031] (ME) [ 292.782363] ? __run_timers+0x7da/0xc70 [ 292.786392] 469*8kB [ 292.788453] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.792399] (UME) [ 292.794721] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.799196] 197*16kB [ 292.801357] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.805825] (UME) [ 292.808246] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 292.812452] 59*32kB [ 292.814610] ? trace_hardirqs_on+0xbd/0x310 [ 292.819161] (UME) [ 292.821485] ? kasan_check_read+0x11/0x20 [ 292.825801] 18*64kB (ME) [ 292.827979] ? __run_timers+0x7da/0xc70 [ 292.832103] 3*128kB [ 292.834874] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.838816] (M) [ 292.841149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.846567] 1*256kB [ 292.848551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.852748] (U) [ 292.855075] __run_timers+0x7e5/0xc70 [ 292.859276] 0*512kB 0*1024kB [ 292.861280] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 292.865033] 0*2048kB [ 292.868140] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 292.873474] 0*4096kB [ 292.875885] ? graph_lock+0x170/0x170 [ 292.880881] = 14048kB [ 292.883305] ? enqueue_hrtimer+0x1a5/0x560 [ 292.887078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 292.889482] ? lock_release+0x970/0x970 [ 292.893696] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 292.902530] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 292.906477] 412 total pagecache pages [ 292.915058] ? find_held_lock+0x36/0x1c0 [ 292.920227] 0 pages in swap cache [ 292.924019] ? graph_lock+0x170/0x170 [ 292.928057] Swap cache stats: add 0, delete 0, find 0/0 [ 292.931505] ? pvclock_read_flags+0x160/0x160 [ 292.935281] Free swap = 0kB [ 292.940643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.945107] Total swap = 0kB [ 292.945115] 1965979 pages RAM [ 292.948129] ? check_preemption_disabled+0x48/0x200 [ 292.953639] 0 pages HighMem/MovableOnly [ 292.956656] ? __lock_is_held+0xb5/0x140 [ 292.959729] 343323 pages reserved [ 292.964738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.968687] 0 pages cma reserved [ 292.972741] ? check_preemption_disabled+0x48/0x200 [ 292.976265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.981704] run_timer_softirq+0x52/0xb0 [ 292.981721] ? rcu_read_lock_sched_held+0x108/0x120 [ 292.981742] __do_softirq+0x30b/0xad8 [ 292.985186] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.990164] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 292.996624] syz-fuzzer cpuset= [ 293.000678] ? pvclock_read_flags+0x160/0x160 [ 293.005667] / [ 293.009461] ? lapic_next_event+0x5a/0x90 [ 293.019666] mems_allowed=0 [ 293.024763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.046715] ? check_preemption_disabled+0x48/0x200 [ 293.051731] ? check_preemption_disabled+0x48/0x200 [ 293.056756] ? kvm_clock_read+0x18/0x30 [ 293.060732] ? kvm_sched_clock_read+0x9/0x20 [ 293.065148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.070688] ? check_preemption_disabled+0x48/0x200 [ 293.075719] irq_exit+0x17f/0x1c0 [ 293.079180] smp_apic_timer_interrupt+0x1cb/0x760 [ 293.084027] ? smp_reschedule_interrupt+0x109/0x650 [ 293.089078] ? smp_call_function_single_interrupt+0x650/0x650 [ 293.094969] ? interrupt_entry+0xb5/0xf0 [ 293.099052] ? trace_hardirqs_off_caller+0xbb/0x300 [ 293.104069] ? trace_hardirqs_off_caller+0xbb/0x300 [ 293.109090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.113942] ? trace_hardirqs_off+0x300/0x300 [ 293.118447] ? trace_hardirqs_off+0x300/0x300 [ 293.122949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.128506] ? check_preemption_disabled+0x48/0x200 [ 293.133530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.139081] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.143943] apic_timer_interrupt+0xf/0x20 [ 293.148175] [ 293.150418] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 293.155357] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 293.174279] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 293.182009] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 293.189292] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 293.196574] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 293.203856] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 293.211133] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 293.218455] skb_clone+0x1bb/0x500 [ 293.222009] ? skb_split+0x11e0/0x11e0 [ 293.225908] ? dev_forward_skb+0x4c/0x60 [ 293.229975] ? __bpf_redirect+0x54b/0xb20 [ 293.234139] ? __switch_to_asm+0x34/0x70 [ 293.238207] bpf_clone_redirect+0xb9/0x490 [ 293.242456] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 293.247479] ? __sched_text_start+0x8/0x8 [ 293.251632] ? lockdep_hardirqs_on+0x421/0x5c0 [ 293.256214] ? retint_kernel+0x2d/0x2d [ 293.260107] ? trace_hardirqs_on_caller+0xc0/0x300 [ 293.265048] ? find_held_lock+0x36/0x1c0 [ 293.269117] ? lock_acquire+0x1ed/0x520 [ 293.273092] ? bpf_test_run+0x32e/0x5a0 [ 293.277073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.282614] ? check_preemption_disabled+0x48/0x200 [ 293.287642] ? kasan_check_read+0x11/0x20 [ 293.291803] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.297093] ? rcu_bh_qs+0xc0/0xc0 [ 293.300646] ? preempt_schedule+0x4d/0x60 [ 293.304802] ? ___preempt_schedule+0x16/0x18 [ 293.309221] ? bpf_test_run+0x1c0/0x5a0 [ 293.313210] ? netlink_diag_dump+0x2a0/0x2a0 [ 293.317628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.323164] ? bpf_test_init.isra.9+0x70/0x100 [ 293.327752] ? bpf_prog_test_run_skb+0x634/0xb40 [ 293.332520] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 293.337364] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 293.342900] ? fput+0x130/0x1a0 [ 293.346185] ? __bpf_prog_get+0x9b/0x290 [ 293.350249] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 293.355095] ? bpf_prog_test_run+0x130/0x1a0 [ 293.359512] ? __x64_sys_bpf+0x3d8/0x510 [ 293.363576] ? bpf_prog_get+0x20/0x20 [ 293.367388] ? ksys_ioctl+0x81/0xd0 [ 293.371037] ? do_syscall_64+0x1b9/0x820 [ 293.375101] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 293.380485] ? syscall_return_slowpath+0x5e0/0x5e0 [ 293.385434] ? trace_hardirqs_off+0x300/0x300 [ 293.389940] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 293.394963] ? recalc_sigpending_tsk+0x180/0x180 [ 293.399734] ? kasan_check_write+0x14/0x20 [ 293.403990] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.408847] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 293.414240] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 293.414334] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 293.421171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.421177] Call Trace: [ 293.421185] [ 293.421205] dump_stack+0x1c4/0x2b4 [ 293.421221] ? dump_stack_print_info.cold.2+0x52/0x52 [ 293.421249] warn_alloc.cold.118+0xb7/0x1bd [ 293.427871] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 293.437079] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.439632] syz-executor0 cpuset= [ 293.441792] ? lock_downgrade+0x900/0x900 [ 293.445380] syz0 [ 293.450568] ? trace_hardirqs_off+0xb8/0x300 [ 293.454862] mems_allowed=0 [ 293.465341] ? trace_hardirqs_off+0xb8/0x300 [ 293.491409] __alloc_pages_slowpath+0x2667/0x2d80 [ 293.496287] ? warn_alloc+0x120/0x120 [ 293.500098] ? warn_alloc+0x120/0x120 [ 293.503909] ? print_usage_bug+0xc0/0xc0 [ 293.507989] ? warn_alloc+0x120/0x120 [ 293.511808] ? print_usage_bug+0xc0/0xc0 [ 293.515876] ? __lock_acquire+0x7ec/0x4ec0 [ 293.520115] ? __lock_acquire+0x7ec/0x4ec0 [ 293.524358] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.529903] ? should_fail+0x22d/0xd01 [ 293.533800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.538906] ? __lock_acquire+0x7ec/0x4ec0 [ 293.543147] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.548249] ? __lock_acquire+0x7ec/0x4ec0 [ 293.552486] ? should_fail+0x22d/0xd01 [ 293.556385] ? mark_held_locks+0x130/0x130 [ 293.560627] ? mark_held_locks+0x130/0x130 [ 293.564864] ? graph_lock+0x170/0x170 [ 293.568673] ? graph_lock+0x170/0x170 [ 293.572480] ? graph_lock+0x170/0x170 [ 293.576288] ? print_usage_bug+0xc0/0xc0 [ 293.580356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.585896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.591435] ? check_preemption_disabled+0x48/0x200 [ 293.596461] ? check_preemption_disabled+0x48/0x200 [ 293.601499] ? __lock_is_held+0xb5/0x140 [ 293.605576] __alloc_pages_nodemask+0xa80/0xde0 [ 293.610251] ? graph_lock+0x170/0x170 [ 293.614065] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 293.619086] ? graph_lock+0x170/0x170 [ 293.622898] ? find_held_lock+0x36/0x1c0 [ 293.626972] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.631660] ? lock_downgrade+0x900/0x900 [ 293.635834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.641397] cache_grow_begin+0x91/0x8c0 [ 293.645465] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.649887] fallback_alloc+0x203/0x2e0 [ 293.653872] ____cache_alloc_node+0x1c7/0x1e0 [ 293.658377] kmem_cache_alloc_node+0xe3/0x730 [ 293.662891] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.667141] __alloc_skb+0x119/0x770 [ 293.670858] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.676141] ? skb_scrub_packet+0x490/0x490 [ 293.680464] ? lock_downgrade+0x900/0x900 [ 293.684623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.690163] ? refcount_sub_and_test_checked+0x203/0x310 [ 293.695622] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 293.701077] ? addrconf_rs_timer+0x6f0/0x6f0 [ 293.705504] ndisc_alloc_skb+0x144/0x340 [ 293.709574] ndisc_send_rs+0x331/0x6e0 [ 293.713471] addrconf_rs_timer+0x3c0/0x6f0 [ 293.717717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.721972] call_timer_fn+0x272/0x920 [ 293.725879] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.730129] ? process_timeout+0x40/0x40 [ 293.734200] ? find_held_lock+0x36/0x1c0 [ 293.738277] ? mark_held_locks+0xc7/0x130 [ 293.742431] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.746925] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.751425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.755660] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 293.760252] ? trace_hardirqs_on+0xbd/0x310 [ 293.764574] ? kasan_check_read+0x11/0x20 [ 293.768730] ? __run_timers+0x7da/0xc70 [ 293.772710] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.778168] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.782412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.786650] __run_timers+0x7e5/0xc70 [ 293.790471] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 293.795840] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 293.800858] ? graph_lock+0x170/0x170 [ 293.804669] ? print_usage_bug+0xc0/0xc0 [ 293.808729] ? lock_release+0x970/0x970 [ 293.812716] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 293.817928] ? find_held_lock+0x36/0x1c0 [ 293.822011] ? graph_lock+0x170/0x170 [ 293.825822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.831634] ? check_preemption_disabled+0x48/0x200 [ 293.836664] ? __lock_is_held+0xb5/0x140 [ 293.840732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.846278] ? check_preemption_disabled+0x48/0x200 [ 293.851313] run_timer_softirq+0x52/0xb0 [ 293.855384] ? rcu_read_lock_sched_held+0x108/0x120 [ 293.860410] __do_softirq+0x30b/0xad8 [ 293.864241] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 293.869357] ? pvclock_read_flags+0x160/0x160 [ 293.873877] ? lapic_next_event+0x5a/0x90 [ 293.878035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.883575] ? check_preemption_disabled+0x48/0x200 [ 293.888591] ? check_preemption_disabled+0x48/0x200 [ 293.893616] ? kvm_clock_read+0x18/0x30 [ 293.897592] ? kvm_sched_clock_read+0x9/0x20 [ 293.902015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.907559] ? check_preemption_disabled+0x48/0x200 [ 293.912591] irq_exit+0x17f/0x1c0 [ 293.916055] smp_apic_timer_interrupt+0x1cb/0x760 [ 293.920906] ? smp_call_function_single_interrupt+0x650/0x650 [ 293.926801] ? interrupt_entry+0xb5/0xf0 [ 293.930867] ? trace_hardirqs_off_caller+0xbb/0x300 [ 293.935888] ? trace_hardirqs_off_caller+0xbb/0x300 [ 293.940920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.945791] ? trace_hardirqs_off+0x300/0x300 [ 293.950309] ? trace_hardirqs_off+0x300/0x300 [ 293.954821] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.960823] ? check_preemption_disabled+0x48/0x200 [ 293.965843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.971390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.976253] apic_timer_interrupt+0xf/0x20 [ 293.980489] [ 293.982737] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 293.988111] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 294.007018] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 294.014740] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 294.022021] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 294.029304] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 294.036587] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 294.043859] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 294.051184] ? page_evictable+0x35d/0x540 [ 294.055362] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 294.060913] page_evictable+0x36b/0x540 [ 294.064900] ? kswapd_stop+0x100/0x100 [ 294.068798] ? ___might_sleep+0x1ed/0x300 [ 294.072953] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.078425] ? arch_local_save_flags+0x40/0x40 [ 294.083025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.088576] ? check_preemption_disabled+0x48/0x200 [ 294.093620] shrink_active_list+0x845/0x1c20 [ 294.098041] ? free_unref_page_list+0xc0f/0x11e0 [ 294.102822] ? shrink_inactive_list+0x1c60/0x1c60 [ 294.107686] ? graph_lock+0x170/0x170 [ 294.111491] ? __page_frag_cache_drain+0x200/0x200 [ 294.116422] ? print_usage_bug+0xc0/0xc0 [ 294.120500] ? find_held_lock+0x36/0x1c0 [ 294.124566] ? graph_lock+0x170/0x170 [ 294.128368] ? mark_held_locks+0xc7/0x130 [ 294.132522] ? check_preemption_disabled+0x48/0x200 [ 294.137537] ? check_preemption_disabled+0x48/0x200 [ 294.142565] ? graph_lock+0x170/0x170 [ 294.146366] ? __lock_is_held+0xb5/0x140 [ 294.150435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.155976] ? check_preemption_disabled+0x48/0x200 [ 294.161022] ? __lock_is_held+0xb5/0x140 [ 294.165272] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 294.170295] ? inactive_list_is_low+0x305/0x880 [ 294.174977] ? lruvec_lru_size+0x450/0x450 [ 294.179227] ? kasan_check_read+0x11/0x20 [ 294.183400] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 294.188359] shrink_node_memcg+0x803/0x18e0 [ 294.192711] ? shrink_active_list+0x1c20/0x1c20 [ 294.197391] ? lockdep_hardirqs_on+0x421/0x5c0 [ 294.201991] ? trace_hardirqs_on+0xbd/0x310 [ 294.206320] ? vmpressure+0x294/0x310 [ 294.210130] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.215613] shrink_node+0x3bc/0x16b0 [ 294.219422] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 294.224729] ? shrink_node_memcg+0x18e0/0x18e0 [ 294.229316] ? lockdep_hardirqs_on+0x421/0x5c0 [ 294.233907] ? trace_hardirqs_on+0xbd/0x310 [ 294.238234] ? vmpressure+0x294/0x310 [ 294.242042] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.246455] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 294.251050] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 294.256591] ? __cpuset_node_allowed+0x19b/0x660 [ 294.261353] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 294.267071] ? vmpressure+0x1c9/0x310 [ 294.270887] do_try_to_free_pages+0x3e7/0x1290 [ 294.275502] ? shrink_node+0x16b0/0x16b0 [ 294.279575] ? __lock_is_held+0xb5/0x140 [ 294.283656] try_to_free_pages+0x4d0/0xb90 [ 294.287904] ? do_try_to_free_pages+0x1290/0x1290 [ 294.292751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.298312] ? lock_acquire+0x1ed/0x520 [ 294.302296] ? set_page_refcounted+0x280/0x280 [ 294.306889] ? lock_release+0x970/0x970 [ 294.310881] ? ___might_sleep+0x1ed/0x300 [ 294.315054] ? arch_local_save_flags+0x40/0x40 [ 294.319658] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 294.324684] ? __radix_tree_lookup+0x358/0x4c0 [ 294.329279] __alloc_pages_slowpath+0x993/0x2d80 [ 294.334073] ? kasan_check_read+0x11/0x20 [ 294.338231] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.343514] ? warn_alloc+0x120/0x120 [ 294.347320] ? __radix_tree_lookup+0x4c0/0x4c0 [ 294.351918] ? find_get_entry+0x2f2/0xc40 [ 294.356082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.361624] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 294.366567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.372110] ? should_fail+0x22d/0xd01 [ 294.376014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.381126] ? __lock_is_held+0xb5/0x140 [ 294.385191] ? graph_lock+0x170/0x170 [ 294.389006] ? graph_lock+0x170/0x170 [ 294.392826] ? __lock_is_held+0xb5/0x140 [ 294.396898] ? __lock_acquire+0x7ec/0x4ec0 [ 294.401151] ? ___might_sleep+0x1ed/0x300 [ 294.405310] ? lock_release+0x970/0x970 [ 294.409308] ? arch_local_save_flags+0x40/0x40 [ 294.413925] ? __might_sleep+0x95/0x190 [ 294.417918] __alloc_pages_nodemask+0xa80/0xde0 [ 294.422604] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.427632] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.433432] ? kasan_check_read+0x11/0x20 [ 294.437590] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.442877] ? graph_lock+0x170/0x170 [ 294.446684] ? print_usage_bug+0xc0/0xc0 [ 294.450752] ? graph_lock+0x170/0x170 [ 294.454559] ? graph_lock+0x170/0x170 [ 294.458365] ? __do_page_cache_readahead+0x7ce/0x980 [ 294.463480] ? find_held_lock+0x36/0x1c0 [ 294.467550] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 294.473092] alloc_pages_current+0x10c/0x210 [ 294.477505] ? lock_downgrade+0x900/0x900 [ 294.481662] __page_cache_alloc+0x38f/0x5b0 [ 294.486002] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.491801] ? kasan_check_read+0x11/0x20 [ 294.495956] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.501253] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 294.505932] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.511478] ? check_preemption_disabled+0x48/0x200 [ 294.516510] filemap_fault+0x1594/0x25f0 [ 294.520588] ? __lock_page_or_retry+0xa00/0xa00 [ 294.525262] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.531064] ? kasan_check_read+0x11/0x20 [ 294.535391] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.540673] ? rcu_bh_qs+0xc0/0xc0 [ 294.544254] ? print_usage_bug+0xc0/0xc0 [ 294.548328] ? filemap_map_pages+0xdea/0x1980 [ 294.552832] ? print_usage_bug+0xc0/0xc0 [ 294.556909] ? find_get_pages_range_tag+0x1320/0x1320 [ 294.562127] ? print_usage_bug+0xc0/0xc0 [ 294.566208] ? __lock_acquire+0x7ec/0x4ec0 [ 294.570453] ? graph_lock+0x170/0x170 [ 294.574260] ? __sigqueue_free.part.27+0x7d/0xa0 [ 294.579031] ? __lock_acquire+0x7ec/0x4ec0 [ 294.583285] ? lock_acquire+0x1ed/0x520 [ 294.587262] ? ext4_filemap_fault+0x7a/0xad [ 294.591593] ? lock_release+0x970/0x970 [ 294.595572] ? arch_local_save_flags+0x40/0x40 [ 294.600161] ? mark_held_locks+0x130/0x130 [ 294.604410] ? down_read+0xb0/0x1d0 [ 294.608039] ? ext4_filemap_fault+0x7a/0xad [ 294.612365] ? __down_interruptible+0x700/0x700 [ 294.617036] ? graph_lock+0x170/0x170 [ 294.620838] ? __sigqueue_free.part.27+0x7d/0xa0 [ 294.625608] ext4_filemap_fault+0x82/0xad [ 294.629763] __do_fault+0x100/0x6b0 [ 294.633403] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.638684] ? print_bad_pte+0x6c0/0x6c0 [ 294.642756] ? pmd_val+0x88/0x100 [ 294.646222] ? add_mm_counter_fast+0xd0/0xd0 [ 294.650632] ? pmd_val+0x88/0x100 [ 294.654087] ? add_mm_counter_fast+0xd0/0xd0 [ 294.658507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.664052] __handle_mm_fault+0x3709/0x53e0 [ 294.668471] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 294.673319] ? graph_lock+0x170/0x170 [ 294.677121] ? print_usage_bug+0xc0/0xc0 [ 294.681187] ? graph_lock+0x170/0x170 [ 294.684998] ? graph_lock+0x170/0x170 [ 294.688820] ? handle_mm_fault+0x42a/0xc70 [ 294.693063] ? lock_downgrade+0x900/0x900 [ 294.697215] ? check_preemption_disabled+0x48/0x200 [ 294.702241] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.708037] ? kasan_check_read+0x11/0x20 [ 294.712191] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.717470] ? rcu_bh_qs+0xc0/0xc0 [ 294.721021] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.726479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.732019] ? check_preemption_disabled+0x48/0x200 [ 294.737051] handle_mm_fault+0x54f/0xc70 [ 294.741119] ? __handle_mm_fault+0x53e0/0x53e0 [ 294.745707] ? find_vma+0x34/0x190 [ 294.749257] __do_page_fault+0x67d/0xed0 [ 294.753340] ? mm_fault_error+0x380/0x380 [ 294.757495] ? syscall_slow_exit_work+0x520/0x520 [ 294.762347] do_page_fault+0xf2/0x7e0 [ 294.766150] ? vmalloc_sync_all+0x30/0x30 [ 294.770303] ? error_entry+0x70/0xd0 [ 294.774020] ? trace_hardirqs_off_caller+0xbb/0x300 [ 294.779039] ? trace_hardirqs_on_caller+0xc0/0x300 [ 294.783974] ? syscall_return_slowpath+0x5e0/0x5e0 [ 294.788916] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.793765] ? trace_hardirqs_off+0x300/0x300 [ 294.798270] ? trace_hardirqs_off_caller+0x300/0x300 [ 294.803384] ? prepare_exit_to_usermode+0x291/0x3b0 [ 294.808403] ? page_fault+0x8/0x30 [ 294.811947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.816800] ? page_fault+0x8/0x30 [ 294.820348] page_fault+0x1e/0x30 [ 294.823806] RIP: 0033:0x45db60 [ 294.827014] Code: Bad RIP value. [ 294.830382] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 294.835749] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 294.843025] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 294.850296] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 294.857565] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 294.864838] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 294.872142] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 294.872148] warn_alloc_show_mem: 1 callbacks suppressed [ 294.872155] Mem-Info: [ 294.879341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.884710] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 294.884710] active_file:15 inactive_file:16 isolated_file:2 [ 294.884710] unevictable:0 dirty:0 writeback:0 unstable:0 [ 294.884710] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 294.884710] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 294.884710] free:13788 free_pcp:262 free_cma:0 [ 294.887083] Call Trace: [ 294.896479] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 294.929342] [ 294.931929] Node 0 [ 294.959620] dump_stack+0x1c4/0x2b4 [ 294.962233] 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 [ 294.964443] ? dump_stack_print_info.cold.2+0x52/0x52 [ 294.968065] lowmem_reserve[]: 0 [ 294.993582] warn_alloc.cold.118+0xb7/0x1bd [ 294.998728] 2815 6318 [ 295.002021] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.006311] 6318 [ 295.008835] ? lock_downgrade+0x900/0x900 [ 295.013650] Node 0 [ 295.015712] ? trace_hardirqs_off+0xb8/0x300 [ 295.019858] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 295.022067] ? trace_hardirqs_off+0xb8/0x300 [ 295.026442] lowmem_reserve[]: 0 [ 295.053434] __alloc_pages_slowpath+0x2667/0x2d80 [ 295.057830] 0 [ 295.061170] ? warn_alloc+0x120/0x120 [ 295.065950] 3503 [ 295.067752] ? warn_alloc+0x120/0x120 [ 295.071529] 3503 [ 295.073587] ? print_usage_bug+0xc0/0xc0 [ 295.079415] ? warn_alloc+0x120/0x120 [ 295.083454] Node 0 [ 295.087242] ? print_usage_bug+0xc0/0xc0 [ 295.087274] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 295.087282] lowmem_reserve[]: [ 295.089518] ? warn_alloc+0x120/0x120 [ 295.093553] 0 [ 295.121917] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.125002] 0 [ 295.128803] ? should_fail+0x22d/0xd01 [ 295.130575] 0 [ 295.136108] ? __lock_acquire+0x7ec/0x4ec0 [ 295.137886] 0 [ 295.141768] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.147781] ? __lock_acquire+0x7ec/0x4ec0 [ 295.147799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.149575] Node 0 [ 295.154668] ? __lock_acquire+0x7ec/0x4ec0 [ 295.158879] DMA: [ 295.163976] ? should_fail+0x22d/0xd01 [ 295.166230] 1*4kB [ 295.170458] ? mark_held_locks+0x130/0x130 [ 295.172491] (U) [ 295.176373] ? mark_held_locks+0x130/0x130 [ 295.178503] 0*8kB [ 295.182730] ? mark_held_locks+0x130/0x130 [ 295.184700] 0*16kB [ 295.188933] ? graph_lock+0x170/0x170 [ 295.191061] 1*32kB [ 295.195292] ? print_usage_bug+0xc0/0xc0 [ 295.197506] (U) [ 295.201310] ? mark_held_locks+0x130/0x130 [ 295.203527] 2*64kB [ 295.207584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.209531] (U) [ 295.213760] ? check_preemption_disabled+0x48/0x200 [ 295.215977] 1*128kB [ 295.221513] ? check_preemption_disabled+0x48/0x200 [ 295.223474] (U) [ 295.228486] ? __lock_is_held+0xb5/0x140 [ 295.230785] 1*256kB [ 295.235799] __alloc_pages_nodemask+0xa80/0xde0 [ 295.237748] (U) [ 295.241803] ? graph_lock+0x170/0x170 [ 295.244106] 0*512kB [ 295.248786] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 295.250739] 1*1024kB [ 295.254528] ? graph_lock+0x170/0x170 [ 295.256828] (U) [ 295.261842] ? find_held_lock+0x36/0x1c0 [ 295.264224] 1*2048kB [ 295.268047] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.269997] (M) [ 295.274055] ? lock_downgrade+0x900/0x900 [ 295.276443] 3*4096kB [ 295.281109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.283058] (M) [ 295.287202] cache_grow_begin+0x91/0x8c0 [ 295.289584] = 15908kB [ 295.295121] ? do_raw_spin_unlock+0xa7/0x2f0 [ 295.297075] Node 0 [ 295.301136] fallback_alloc+0x203/0x2e0 [ 295.303516] DMA32: [ 295.307919] ____cache_alloc_node+0x1c7/0x1e0 [ 295.310132] 3*4kB [ 295.314102] kmem_cache_alloc_node+0xe3/0x730 [ 295.316314] (M) [ 295.320810] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.322931] 2*8kB [ 295.327425] __alloc_skb+0x119/0x770 [ 295.329373] (M) [ 295.333611] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.335755] 1*16kB [ 295.339465] ? skb_scrub_packet+0x490/0x490 [ 295.341414] (M) [ 295.346690] ? lock_downgrade+0x900/0x900 [ 295.348902] 1*32kB [ 295.353233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.355193] (M) [ 295.359338] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.361548] 3*64kB [ 295.367080] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.369033] (UM) [ 295.374481] ? addrconf_rs_timer+0x6f0/0x6f0 [ 295.376695] 3*128kB [ 295.382146] ndisc_alloc_skb+0x144/0x340 [ 295.384174] (M) [ 295.388579] ndisc_send_rs+0x331/0x6e0 [ 295.390875] 2*256kB [ 295.394931] addrconf_rs_timer+0x3c0/0x6f0 [ 295.396884] (M) [ 295.400774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.403075] 3*512kB [ 295.407330] call_timer_fn+0x272/0x920 [ 295.409276] (M) [ 295.413505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.415809] 4*1024kB [ 295.419688] ? process_timeout+0x40/0x40 [ 295.421640] (UM) [ 295.425870] ? find_held_lock+0x36/0x1c0 [ 295.428257] 3*2048kB [ 295.432318] ? __run_timers+0x7da/0xc70 [ 295.434353] (UM) [ 295.438411] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.440802] 3*4096kB [ 295.444765] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.446811] (M) [ 295.451300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.453690] = 25228kB [ 295.458180] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 295.460135] Node 0 [ 295.464362] ? trace_hardirqs_on+0xbd/0x310 [ 295.466744] Normal: [ 295.471321] ? kasan_check_read+0x11/0x20 [ 295.473535] 866*4kB [ 295.477852] ? __run_timers+0x7da/0xc70 [ 295.480154] (ME) [ 295.484299] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.486597] 469*8kB [ 295.490563] ? tcp_compressed_ack_kick+0x220/0x220 [ 295.492602] (UME) [ 295.498049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.500345] 197*16kB [ 295.505273] __run_timers+0x7e5/0xc70 [ 295.507396] (UME) [ 295.511630] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 295.514013] 59*32kB [ 295.517806] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.519929] (UME) [ 295.525284] ? graph_lock+0x170/0x170 [ 295.527582] 18*64kB [ 295.532590] ? enqueue_hrtimer+0x1a5/0x560 [ 295.534716] (ME) [ 295.538513] ? lock_release+0x970/0x970 [ 295.540813] 3*128kB [ 295.545039] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 295.547076] (M) [ 295.551048] ? find_held_lock+0x36/0x1c0 [ 295.553343] 1*256kB [ 295.558526] ? graph_lock+0x170/0x170 [ 295.560476] (U) [ 295.564534] ? pvclock_read_flags+0x160/0x160 [ 295.566830] 0*512kB [ 295.570622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.572568] 0*1024kB 0*2048kB [ 295.577071] ? check_preemption_disabled+0x48/0x200 [ 295.579373] 0*4096kB [ 295.584909] ? __lock_is_held+0xb5/0x140 [ 295.588064] = 14048kB [ 295.588078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 295.593080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.595474] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 295.599519] ? check_preemption_disabled+0x48/0x200 [ 295.601905] 412 total pagecache pages [ 295.610733] run_timer_softirq+0x52/0xb0 [ 295.616251] 0 pages in swap cache [ 295.624819] ? rcu_read_lock_sched_held+0x108/0x120 [ 295.629808] Swap cache stats: add 0, delete 0, find 0/0 [ 295.633619] __do_softirq+0x30b/0xad8 [ 295.637650] Free swap = 0kB [ 295.641131] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 295.646129] Total swap = 0kB [ 295.651489] ? pvclock_read_flags+0x160/0x160 [ 295.655264] 1965979 pages RAM [ 295.658307] ? lapic_next_event+0x5a/0x90 [ 295.663380] 0 pages HighMem/MovableOnly [ 295.663389] 343323 pages reserved [ 295.666402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.670878] 0 pages cma reserved [ 295.673995] ? check_preemption_disabled+0x48/0x200 [ 295.678196] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 295.682094] ? check_preemption_disabled+0x48/0x200 [ 295.682119] ? kvm_clock_read+0x18/0x30 [ 295.685617] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 295.691075] ? kvm_sched_clock_read+0x9/0x20 [ 295.694413] syz-fuzzer cpuset= [ 295.699425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.705906] / [ 295.710934] ? check_preemption_disabled+0x48/0x200 [ 295.714881] mems_allowed=0 [ 295.725112] irq_exit+0x17f/0x1c0 [ 295.751299] smp_apic_timer_interrupt+0x1cb/0x760 [ 295.756153] ? smp_reschedule_interrupt+0x109/0x650 [ 295.761176] ? smp_call_function_single_interrupt+0x650/0x650 [ 295.767075] ? interrupt_entry+0xb5/0xf0 [ 295.771142] ? trace_hardirqs_off_caller+0xbb/0x300 [ 295.776172] ? trace_hardirqs_off_caller+0xbb/0x300 [ 295.781197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.786046] ? trace_hardirqs_off+0x300/0x300 [ 295.790541] ? trace_hardirqs_off+0x300/0x300 [ 295.795067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.800604] ? check_preemption_disabled+0x48/0x200 [ 295.805624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.811169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.816034] apic_timer_interrupt+0xf/0x20 [ 295.820265] [ 295.822517] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 295.827454] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 295.846886] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 295.854599] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 295.861866] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 295.869137] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 295.876404] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 295.883678] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 295.890994] skb_clone+0x1bb/0x500 [ 295.894538] ? skb_split+0x11e0/0x11e0 [ 295.898440] ? dev_forward_skb+0x4c/0x60 [ 295.902511] ? __bpf_redirect+0x54b/0xb20 [ 295.906677] ? __switch_to_asm+0x34/0x70 [ 295.910764] bpf_clone_redirect+0xb9/0x490 [ 295.915019] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 295.920041] ? __sched_text_start+0x8/0x8 [ 295.924224] ? lockdep_hardirqs_on+0x421/0x5c0 [ 295.928823] ? retint_kernel+0x2d/0x2d [ 295.932714] ? trace_hardirqs_on_caller+0xc0/0x300 [ 295.937652] ? find_held_lock+0x36/0x1c0 [ 295.941723] ? lock_acquire+0x1ed/0x520 [ 295.945700] ? bpf_test_run+0x32e/0x5a0 [ 295.949680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.955218] ? check_preemption_disabled+0x48/0x200 [ 295.960257] ? kasan_check_read+0x11/0x20 [ 295.964656] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.969939] ? rcu_bh_qs+0xc0/0xc0 [ 295.973485] ? preempt_schedule+0x4d/0x60 [ 295.977639] ? ___preempt_schedule+0x16/0x18 [ 295.982081] ? bpf_test_run+0x1c0/0x5a0 [ 295.986065] ? netlink_diag_dump+0x2a0/0x2a0 [ 295.990478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.996017] ? bpf_test_init.isra.9+0x70/0x100 [ 296.000609] ? bpf_prog_test_run_skb+0x634/0xb40 [ 296.005375] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 296.010217] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.015931] ? fput+0x130/0x1a0 [ 296.019218] ? __bpf_prog_get+0x9b/0x290 [ 296.023292] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 296.028141] ? bpf_prog_test_run+0x130/0x1a0 [ 296.032554] ? __x64_sys_bpf+0x3d8/0x510 [ 296.036618] ? bpf_prog_get+0x20/0x20 [ 296.040431] ? ksys_ioctl+0x81/0xd0 [ 296.044076] ? do_syscall_64+0x1b9/0x820 [ 296.048158] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 296.053537] ? syscall_return_slowpath+0x5e0/0x5e0 [ 296.058476] ? trace_hardirqs_off+0x300/0x300 [ 296.062975] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 296.068017] ? recalc_sigpending_tsk+0x180/0x180 [ 296.072780] ? kasan_check_write+0x14/0x20 [ 296.077033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.081896] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 296.087287] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 296.087373] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.094216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.094225] Call Trace: [ 296.100811] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.110052] [ 296.112621] syz-executor0 cpuset= [ 296.123101] dump_stack+0x1c4/0x2b4 [ 296.125226] syz0 [ 296.128673] ? dump_stack_print_info.cold.2+0x52/0x52 [ 296.132277] mems_allowed=0 [ 296.134253] warn_alloc.cold.118+0xb7/0x1bd [ 296.146641] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.151490] ? lock_downgrade+0x900/0x900 [ 296.155649] ? trace_hardirqs_off+0xb8/0x300 [ 296.160067] ? trace_hardirqs_off+0xb8/0x300 [ 296.164485] __alloc_pages_slowpath+0x2667/0x2d80 [ 296.169363] ? warn_alloc+0x120/0x120 [ 296.173174] ? warn_alloc+0x120/0x120 [ 296.176982] ? print_usage_bug+0xc0/0xc0 [ 296.181056] ? warn_alloc+0x120/0x120 [ 296.184859] ? print_usage_bug+0xc0/0xc0 [ 296.188923] ? __lock_acquire+0x7ec/0x4ec0 [ 296.193159] ? __lock_acquire+0x7ec/0x4ec0 [ 296.197401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.202945] ? should_fail+0x22d/0xd01 [ 296.206839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.211944] ? __lock_acquire+0x7ec/0x4ec0 [ 296.216188] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.221295] ? __lock_acquire+0x7ec/0x4ec0 [ 296.225532] ? should_fail+0x22d/0xd01 [ 296.229432] ? mark_held_locks+0x130/0x130 [ 296.233675] ? mark_held_locks+0x130/0x130 [ 296.237913] ? graph_lock+0x170/0x170 [ 296.241718] ? graph_lock+0x170/0x170 [ 296.245524] ? graph_lock+0x170/0x170 [ 296.249327] ? print_usage_bug+0xc0/0xc0 [ 296.253392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.258937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.264475] ? check_preemption_disabled+0x48/0x200 [ 296.269490] ? check_preemption_disabled+0x48/0x200 [ 296.274519] ? __lock_is_held+0xb5/0x140 [ 296.278590] __alloc_pages_nodemask+0xa80/0xde0 [ 296.283264] ? graph_lock+0x170/0x170 [ 296.287075] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 296.292092] ? graph_lock+0x170/0x170 [ 296.295908] ? find_held_lock+0x36/0x1c0 [ 296.299993] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.304667] ? lock_downgrade+0x900/0x900 [ 296.308827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.314372] cache_grow_begin+0x91/0x8c0 [ 296.318436] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.322854] fallback_alloc+0x203/0x2e0 [ 296.326840] ____cache_alloc_node+0x1c7/0x1e0 [ 296.331342] kmem_cache_alloc_node+0xe3/0x730 [ 296.335839] ? ipv6_get_ifaddr+0x42e/0x620 [ 296.340090] __alloc_skb+0x119/0x770 [ 296.343811] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.349099] ? skb_scrub_packet+0x490/0x490 [ 296.353420] ? lock_downgrade+0x900/0x900 [ 296.357579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.363123] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.368582] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.374040] ? addrconf_rs_timer+0x6f0/0x6f0 [ 296.378468] ndisc_alloc_skb+0x144/0x340 [ 296.382538] ndisc_send_rs+0x331/0x6e0 [ 296.386437] addrconf_rs_timer+0x3c0/0x6f0 [ 296.390682] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.394931] call_timer_fn+0x272/0x920 [ 296.398830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.403071] ? process_timeout+0x40/0x40 [ 296.407136] ? find_held_lock+0x36/0x1c0 [ 296.411212] ? mark_held_locks+0xc7/0x130 [ 296.415377] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.419890] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.424397] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.428642] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 296.433239] ? trace_hardirqs_on+0xbd/0x310 [ 296.437584] ? kasan_check_read+0x11/0x20 [ 296.441758] ? __run_timers+0x7da/0xc70 [ 296.445747] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.451219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.455469] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.459711] __run_timers+0x7e5/0xc70 [ 296.463527] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 296.468895] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.473917] ? graph_lock+0x170/0x170 [ 296.477726] ? print_usage_bug+0xc0/0xc0 [ 296.481792] ? lock_release+0x970/0x970 [ 296.485774] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.491006] ? find_held_lock+0x36/0x1c0 [ 296.495072] ? graph_lock+0x170/0x170 [ 296.498879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.504418] ? check_preemption_disabled+0x48/0x200 [ 296.509451] ? __lock_is_held+0xb5/0x140 [ 296.513518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.519058] ? check_preemption_disabled+0x48/0x200 [ 296.524087] run_timer_softirq+0x52/0xb0 [ 296.528155] ? rcu_read_lock_sched_held+0x108/0x120 [ 296.533175] __do_softirq+0x30b/0xad8 [ 296.536995] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 296.542111] ? pvclock_read_flags+0x160/0x160 [ 296.546609] ? lapic_next_event+0x5a/0x90 [ 296.550758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.556302] ? check_preemption_disabled+0x48/0x200 [ 296.561318] ? check_preemption_disabled+0x48/0x200 [ 296.566345] ? kvm_clock_read+0x18/0x30 [ 296.570320] ? kvm_sched_clock_read+0x9/0x20 [ 296.574732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.580270] ? check_preemption_disabled+0x48/0x200 [ 296.585303] irq_exit+0x17f/0x1c0 [ 296.588765] smp_apic_timer_interrupt+0x1cb/0x760 [ 296.593622] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.599509] ? interrupt_entry+0xb5/0xf0 [ 296.603576] ? trace_hardirqs_off_caller+0xbb/0x300 [ 296.608591] ? trace_hardirqs_off_caller+0xbb/0x300 [ 296.613611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.618454] ? trace_hardirqs_off+0x300/0x300 [ 296.622952] ? trace_hardirqs_off+0x300/0x300 [ 296.627467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.633015] ? check_preemption_disabled+0x48/0x200 [ 296.638032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.643581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.648440] apic_timer_interrupt+0xf/0x20 [ 296.652671] [ 296.654910] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 296.660276] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 296.679177] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 296.686893] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 296.694159] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 296.701428] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 296.708697] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 296.715964] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 296.723266] ? page_evictable+0x35d/0x540 [ 296.727426] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.732962] page_evictable+0x36b/0x540 [ 296.736951] ? kswapd_stop+0x100/0x100 [ 296.740853] ? ___might_sleep+0x1ed/0x300 [ 296.745010] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.750470] ? arch_local_save_flags+0x40/0x40 [ 296.755058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.760596] ? check_preemption_disabled+0x48/0x200 [ 296.765623] shrink_active_list+0x845/0x1c20 [ 296.770036] ? free_unref_page_list+0xc0f/0x11e0 [ 296.774815] ? shrink_inactive_list+0x1c60/0x1c60 [ 296.779676] ? graph_lock+0x170/0x170 [ 296.783480] ? __page_frag_cache_drain+0x200/0x200 [ 296.788412] ? print_usage_bug+0xc0/0xc0 [ 296.792495] ? find_held_lock+0x36/0x1c0 [ 296.796565] ? graph_lock+0x170/0x170 [ 296.800373] ? mark_held_locks+0xc7/0x130 [ 296.804527] ? check_preemption_disabled+0x48/0x200 [ 296.809544] ? check_preemption_disabled+0x48/0x200 [ 296.814580] ? graph_lock+0x170/0x170 [ 296.818385] ? __lock_is_held+0xb5/0x140 [ 296.822456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.828014] ? check_preemption_disabled+0x48/0x200 [ 296.833062] ? __lock_is_held+0xb5/0x140 [ 296.837148] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.842170] ? inactive_list_is_low+0x305/0x880 [ 296.846848] ? lruvec_lru_size+0x450/0x450 [ 296.851084] ? kasan_check_read+0x11/0x20 [ 296.855243] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 296.860187] shrink_node_memcg+0x803/0x18e0 [ 296.864532] ? shrink_active_list+0x1c20/0x1c20 [ 296.869214] ? lockdep_hardirqs_on+0x421/0x5c0 [ 296.873805] ? trace_hardirqs_on+0xbd/0x310 [ 296.878133] ? vmpressure+0x294/0x310 [ 296.881937] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.887415] shrink_node+0x3bc/0x16b0 [ 296.891223] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 296.896526] ? shrink_node_memcg+0x18e0/0x18e0 [ 296.901112] ? lockdep_hardirqs_on+0x421/0x5c0 [ 296.905699] ? trace_hardirqs_on+0xbd/0x310 [ 296.910028] ? vmpressure+0x294/0x310 [ 296.913838] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.918252] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 296.922847] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.928391] ? __cpuset_node_allowed+0x19b/0x660 [ 296.933154] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 296.938872] ? vmpressure+0x1c9/0x310 [ 296.942690] do_try_to_free_pages+0x3e7/0x1290 [ 296.947301] ? shrink_node+0x16b0/0x16b0 [ 296.951369] ? __lock_is_held+0xb5/0x140 [ 296.955448] try_to_free_pages+0x4d0/0xb90 [ 296.959693] ? do_try_to_free_pages+0x1290/0x1290 [ 296.964543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.970102] ? lock_acquire+0x1ed/0x520 [ 296.974084] ? set_page_refcounted+0x280/0x280 [ 296.978679] ? lock_release+0x970/0x970 [ 296.982663] ? ___might_sleep+0x1ed/0x300 [ 296.986816] ? arch_local_save_flags+0x40/0x40 [ 296.991404] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.996427] ? __radix_tree_lookup+0x358/0x4c0 [ 297.001027] __alloc_pages_slowpath+0x993/0x2d80 [ 297.005875] ? kasan_check_read+0x11/0x20 [ 297.010031] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.015310] ? warn_alloc+0x120/0x120 [ 297.019114] ? __radix_tree_lookup+0x4c0/0x4c0 [ 297.023713] ? find_get_entry+0x2f2/0xc40 [ 297.027873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.033417] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 297.038350] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.043891] ? should_fail+0x22d/0xd01 [ 297.047819] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.052924] ? __lock_is_held+0xb5/0x140 [ 297.056992] ? graph_lock+0x170/0x170 [ 297.060804] ? graph_lock+0x170/0x170 [ 297.064626] ? __lock_is_held+0xb5/0x140 [ 297.068697] ? __lock_acquire+0x7ec/0x4ec0 [ 297.072942] ? ___might_sleep+0x1ed/0x300 [ 297.077091] ? lock_release+0x970/0x970 [ 297.081072] ? arch_local_save_flags+0x40/0x40 [ 297.085666] ? __might_sleep+0x95/0x190 [ 297.089647] __alloc_pages_nodemask+0xa80/0xde0 [ 297.094329] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 297.099355] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 297.105154] ? kasan_check_read+0x11/0x20 [ 297.109306] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.114589] ? graph_lock+0x170/0x170 [ 297.118390] ? print_usage_bug+0xc0/0xc0 [ 297.122457] ? graph_lock+0x170/0x170 [ 297.126262] ? graph_lock+0x170/0x170 [ 297.130066] ? __do_page_cache_readahead+0x7ce/0x980 [ 297.135181] ? find_held_lock+0x36/0x1c0 [ 297.139249] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 297.144801] alloc_pages_current+0x10c/0x210 [ 297.149217] ? lock_downgrade+0x900/0x900 [ 297.153375] __page_cache_alloc+0x38f/0x5b0 [ 297.157707] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 297.163540] ? kasan_check_read+0x11/0x20 [ 297.167707] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.173009] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 297.177690] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.183234] ? check_preemption_disabled+0x48/0x200 [ 297.188268] filemap_fault+0x1594/0x25f0 [ 297.192353] ? __lock_page_or_retry+0xa00/0xa00 [ 297.197037] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 297.202841] ? kasan_check_read+0x11/0x20 [ 297.207024] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.212309] ? rcu_bh_qs+0xc0/0xc0 [ 297.215872] ? print_usage_bug+0xc0/0xc0 [ 297.219960] ? filemap_map_pages+0xdea/0x1980 [ 297.224474] ? print_usage_bug+0xc0/0xc0 [ 297.228546] ? find_get_pages_range_tag+0x1320/0x1320 [ 297.233746] ? print_usage_bug+0xc0/0xc0 [ 297.237831] ? __lock_acquire+0x7ec/0x4ec0 [ 297.242069] ? graph_lock+0x170/0x170 [ 297.245889] ? __sigqueue_free.part.27+0x7d/0xa0 [ 297.250668] ? __lock_acquire+0x7ec/0x4ec0 [ 297.254920] ? lock_acquire+0x1ed/0x520 [ 297.258897] ? ext4_filemap_fault+0x7a/0xad [ 297.263242] ? lock_release+0x970/0x970 [ 297.267221] ? arch_local_save_flags+0x40/0x40 [ 297.271809] ? mark_held_locks+0x130/0x130 [ 297.276058] ? down_read+0xb0/0x1d0 [ 297.279687] ? ext4_filemap_fault+0x7a/0xad [ 297.284019] ? __down_interruptible+0x700/0x700 [ 297.288692] ? graph_lock+0x170/0x170 [ 297.292497] ? __sigqueue_free.part.27+0x7d/0xa0 [ 297.297271] ext4_filemap_fault+0x82/0xad [ 297.301427] __do_fault+0x100/0x6b0 [ 297.305059] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.310342] ? print_bad_pte+0x6c0/0x6c0 [ 297.314413] ? pmd_val+0x88/0x100 [ 297.317873] ? add_mm_counter_fast+0xd0/0xd0 [ 297.322283] ? pmd_val+0x88/0x100 [ 297.325742] ? add_mm_counter_fast+0xd0/0xd0 [ 297.330163] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.335709] __handle_mm_fault+0x3709/0x53e0 [ 297.340131] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 297.344976] ? graph_lock+0x170/0x170 [ 297.348793] ? print_usage_bug+0xc0/0xc0 [ 297.352864] ? graph_lock+0x170/0x170 [ 297.356664] ? graph_lock+0x170/0x170 [ 297.360488] ? handle_mm_fault+0x42a/0xc70 [ 297.364723] ? lock_downgrade+0x900/0x900 [ 297.368871] ? check_preemption_disabled+0x48/0x200 [ 297.373910] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 297.379721] ? kasan_check_read+0x11/0x20 [ 297.383874] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.389154] ? rcu_bh_qs+0xc0/0xc0 [ 297.392698] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.398155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.403693] ? check_preemption_disabled+0x48/0x200 [ 297.408722] handle_mm_fault+0x54f/0xc70 [ 297.412822] ? __handle_mm_fault+0x53e0/0x53e0 [ 297.417414] ? find_vma+0x34/0x190 [ 297.420963] __do_page_fault+0x67d/0xed0 [ 297.425043] ? mm_fault_error+0x380/0x380 [ 297.429201] ? syscall_slow_exit_work+0x520/0x520 [ 297.434055] do_page_fault+0xf2/0x7e0 [ 297.437890] ? vmalloc_sync_all+0x30/0x30 [ 297.442063] ? error_entry+0x70/0xd0 [ 297.445788] ? trace_hardirqs_off_caller+0xbb/0x300 [ 297.450805] ? trace_hardirqs_on_caller+0xc0/0x300 [ 297.455738] ? syscall_return_slowpath+0x5e0/0x5e0 [ 297.460702] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.465548] ? trace_hardirqs_off+0x300/0x300 [ 297.470042] ? trace_hardirqs_off_caller+0x300/0x300 [ 297.475151] ? prepare_exit_to_usermode+0x291/0x3b0 [ 297.480205] ? page_fault+0x8/0x30 [ 297.483750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.488604] ? page_fault+0x8/0x30 [ 297.492146] page_fault+0x1e/0x30 [ 297.495603] RIP: 0033:0x45db60 [ 297.498818] Code: Bad RIP value. [ 297.502196] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 297.507561] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 297.514830] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 297.522099] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 297.529368] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 297.536638] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 297.543941] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 297.543947] warn_alloc_show_mem: 1 callbacks suppressed [ 297.543955] Mem-Info: [ 297.551157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.556528] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 297.556528] active_file:15 inactive_file:16 isolated_file:2 [ 297.556528] unevictable:0 dirty:0 writeback:0 unstable:0 [ 297.556528] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 297.556528] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 297.556528] free:13788 free_pcp:262 free_cma:0 [ 297.558920] Call Trace: [ 297.568322] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 297.601184] [ 297.603753] Node 0 [ 297.631433] dump_stack+0x1c4/0x2b4 [ 297.633579] 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 [ 297.635792] ? dump_stack_print_info.cold.2+0x52/0x52 [ 297.639396] lowmem_reserve[]: [ 297.664919] warn_alloc.cold.118+0xb7/0x1bd [ 297.670076] 0 [ 297.673176] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.677473] 2815 [ 297.679275] ? lock_downgrade+0x900/0x900 [ 297.684103] 6318 [ 297.686166] ? trace_hardirqs_off+0xb8/0x300 [ 297.690283] 6318 [ 297.692341] ? trace_hardirqs_off+0xb8/0x300 [ 297.698780] __alloc_pages_slowpath+0x2667/0x2d80 [ 297.703164] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 297.708039] ? warn_alloc+0x120/0x120 [ 297.708055] ? trace_hardirqs_on+0x310/0x310 [ 297.735630] lowmem_reserve[]: [ 297.739437] ? warn_alloc+0x120/0x120 [ 297.743810] 0 [ 297.746911] ? print_usage_bug+0xc0/0xc0 [ 297.750684] 0 [ 297.752481] ? warn_alloc+0x120/0x120 [ 297.756516] 3503 [ 297.758316] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 297.762086] 3503 [ 297.764142] ? print_usage_bug+0xc0/0xc0 [ 297.771190] ? __lock_acquire+0x7ec/0x4ec0 [ 297.775227] Node 0 [ 297.779450] ? __lock_acquire+0x7ec/0x4ec0 [ 297.779487] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 297.781691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.785903] lowmem_reserve[]: [ 297.814267] ? should_fail+0x22d/0xd01 [ 297.819783] 0 [ 297.822913] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.826774] 0 [ 297.828572] ? __lock_acquire+0x7ec/0x4ec0 [ 297.833900] 0 [ 297.835702] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.839907] 0 [ 297.841704] ? __lock_acquire+0x7ec/0x4ec0 [ 297.848584] ? should_fail+0x22d/0xd01 [ 297.852794] Node 0 [ 297.856668] ? print_usage_bug+0xc0/0xc0 [ 297.856679] DMA: [ 297.858914] ? mark_held_locks+0x130/0x130 [ 297.862944] 1*4kB [ 297.865008] ? mark_held_locks+0x130/0x130 [ 297.869219] (U) [ 297.871369] ? graph_lock+0x170/0x170 [ 297.875577] 0*8kB [ 297.877548] ? print_usage_bug+0xc0/0xc0 [ 297.881326] 0*16kB [ 297.883475] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.887508] 1*32kB [ 297.889742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.894469] (U) [ 297.896706] ? check_preemption_disabled+0x48/0x200 [ 297.902218] 2*64kB [ 297.904192] ? check_preemption_disabled+0x48/0x200 [ 297.904220] ? __lock_is_held+0xb5/0x140 [ 297.909207] (U) [ 297.911449] __alloc_pages_nodemask+0xa80/0xde0 [ 297.916445] 1*128kB [ 297.920512] ? graph_lock+0x170/0x170 [ 297.922453] (U) [ 297.927120] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 297.929420] 1*256kB [ 297.933215] ? graph_lock+0x170/0x170 [ 297.935165] (U) [ 297.940190] ? find_held_lock+0x36/0x1c0 [ 297.942482] 0*512kB [ 297.946297] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.948236] 1*1024kB [ 297.952296] ? lock_downgrade+0x900/0x900 [ 297.954593] (U) [ 297.959261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.962125] 1*2048kB (M) [ 297.966291] cache_grow_begin+0x91/0x8c0 [ 297.968238] 3*4096kB [ 297.973798] ? do_raw_spin_unlock+0xa7/0x2f0 [ 297.976530] (M) [ 297.980589] fallback_alloc+0x203/0x2e0 [ 297.982967] = 15908kB [ 297.982975] Node 0 [ 297.987389] ____cache_alloc_node+0x1c7/0x1e0 [ 297.989339] DMA32: [ 297.993310] kmem_cache_alloc_node+0xe3/0x730 [ 297.995693] 3*4kB [ 297.997927] ? ipv6_get_ifaddr+0x42e/0x620 [ 298.002394] (M) [ 298.004629] __alloc_skb+0x119/0x770 [ 298.009095] 2*8kB [ 298.011320] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.015524] (M) [ 298.017499] ? skb_scrub_packet+0x490/0x490 [ 298.021185] 1*16kB [ 298.023333] ? lock_downgrade+0x900/0x900 [ 298.028583] (M) [ 298.030563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.034852] 1*32kB [ 298.037116] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.041235] (M) [ 298.043208] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.048720] 3*64kB [ 298.050978] ? addrconf_rs_timer+0x6f0/0x6f0 [ 298.056413] (UM) 3*128kB [ 298.058403] ndisc_alloc_skb+0x144/0x340 [ 298.063815] (M) [ 298.066054] ndisc_send_rs+0x331/0x6e0 [ 298.070431] 2*256kB (M) [ 298.073194] addrconf_rs_timer+0x3c0/0x6f0 [ 298.077227] 3*512kB [ 298.079202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.083061] (M) [ 298.085737] call_timer_fn+0x272/0x920 [ 298.089927] 4*1024kB (UM) [ 298.092256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.096465] 3*2048kB [ 298.098434] ? process_timeout+0x40/0x40 [ 298.102406] (UM) [ 298.105245] ? find_held_lock+0x36/0x1c0 [ 298.109452] 3*4096kB (M) [ 298.111873] ? __run_timers+0x7da/0xc70 [ 298.115907] = 25228kB [ 298.117975] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.122018] Node 0 [ 298.124792] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.128744] Normal: [ 298.131154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.135624] 866*4kB [ 298.137856] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 298.142320] (ME) [ 298.144638] ? trace_hardirqs_on+0xbd/0x310 [ 298.148849] 469*8kB [ 298.151211] ? kasan_check_read+0x11/0x20 [ 298.155773] (UME) [ 298.157828] ? __run_timers+0x7da/0xc70 [ 298.162119] 197*16kB [ 298.164435] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.168554] (UME) [ 298.170701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.174646] 59*32kB [ 298.177051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.182472] (UME) [ 298.184616] __run_timers+0x7e5/0xc70 [ 298.188822] 18*64kB [ 298.191162] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 298.195359] (ME) [ 298.197505] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 298.201273] 3*128kB (M) [ 298.203605] ? graph_lock+0x170/0x170 [ 298.208941] 1*256kB [ 298.211005] ? enqueue_hrtimer+0x1a5/0x560 [ 298.216004] (U) [ 298.218673] ? lock_release+0x970/0x970 [ 298.222449] 0*512kB [ 298.224769] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.229009] 0*1024kB [ 298.230981] ? find_held_lock+0x36/0x1c0 [ 298.234937] 0*2048kB [ 298.237255] ? graph_lock+0x170/0x170 [ 298.242423] 0*4096kB [ 298.244829] ? pvclock_read_flags+0x160/0x160 [ 298.248862] = 14048kB [ 298.251279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.255054] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 298.257452] ? check_preemption_disabled+0x48/0x200 [ 298.261920] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 298.261930] 412 total pagecache pages [ 298.264339] ? __lock_is_held+0xb5/0x140 [ 298.269850] 0 pages in swap cache [ 298.278671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.283664] Swap cache stats: add 0, delete 0, find 0/0 [ 298.283675] Free swap = 0kB [ 298.292258] ? check_preemption_disabled+0x48/0x200 [ 298.296035] Total swap = 0kB [ 298.300097] run_timer_softirq+0x52/0xb0 [ 298.303522] 1965979 pages RAM [ 298.309064] ? rcu_read_lock_sched_held+0x108/0x120 [ 298.314402] 0 pages HighMem/MovableOnly [ 298.317420] __do_softirq+0x30b/0xad8 [ 298.322406] 343323 pages reserved [ 298.325428] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.329456] 0 pages cma reserved [ 298.332559] ? pvclock_read_flags+0x160/0x160 [ 298.337623] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.341513] ? lapic_next_event+0x5a/0x90 [ 298.345358] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.348736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.353810] syz-fuzzer cpuset= [ 298.357174] ? check_preemption_disabled+0x48/0x200 [ 298.361642] / [ 298.368127] ? check_preemption_disabled+0x48/0x200 [ 298.372255] mems_allowed=0 [ 298.382478] ? kvm_clock_read+0x18/0x30 [ 298.409754] ? kvm_sched_clock_read+0x9/0x20 [ 298.414170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.419710] ? check_preemption_disabled+0x48/0x200 [ 298.424742] irq_exit+0x17f/0x1c0 [ 298.428202] smp_apic_timer_interrupt+0x1cb/0x760 [ 298.433048] ? smp_reschedule_interrupt+0x109/0x650 [ 298.438068] ? smp_call_function_single_interrupt+0x650/0x650 [ 298.443958] ? interrupt_entry+0xb5/0xf0 [ 298.448035] ? trace_hardirqs_off_caller+0xbb/0x300 [ 298.453054] ? trace_hardirqs_off_caller+0xbb/0x300 [ 298.458073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.462918] ? trace_hardirqs_off+0x300/0x300 [ 298.467411] ? trace_hardirqs_off+0x300/0x300 [ 298.471910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.477448] ? check_preemption_disabled+0x48/0x200 [ 298.482465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.488017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.492875] apic_timer_interrupt+0xf/0x20 [ 298.497104] [ 298.499346] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 298.504283] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 298.523185] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 298.531155] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 298.538422] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 298.545687] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 298.552957] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 298.560229] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 298.567544] skb_clone+0x1bb/0x500 [ 298.571089] ? skb_split+0x11e0/0x11e0 [ 298.574999] ? dev_forward_skb+0x4c/0x60 [ 298.579069] ? __bpf_redirect+0x54b/0xb20 [ 298.583220] ? __switch_to_asm+0x34/0x70 [ 298.587313] bpf_clone_redirect+0xb9/0x490 [ 298.591560] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 298.596583] ? __sched_text_start+0x8/0x8 [ 298.600739] ? lockdep_hardirqs_on+0x421/0x5c0 [ 298.605320] ? retint_kernel+0x2d/0x2d [ 298.609226] ? trace_hardirqs_on_caller+0xc0/0x300 [ 298.614163] ? find_held_lock+0x36/0x1c0 [ 298.618235] ? lock_acquire+0x1ed/0x520 [ 298.622215] ? bpf_test_run+0x32e/0x5a0 [ 298.626207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.631750] ? check_preemption_disabled+0x48/0x200 [ 298.636776] ? kasan_check_read+0x11/0x20 [ 298.640930] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.646216] ? rcu_bh_qs+0xc0/0xc0 [ 298.649812] ? preempt_schedule+0x4d/0x60 [ 298.653966] ? ___preempt_schedule+0x16/0x18 [ 298.658394] ? bpf_test_run+0x1c0/0x5a0 [ 298.662409] ? netlink_diag_dump+0x2a0/0x2a0 [ 298.666843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.672382] ? bpf_test_init.isra.9+0x70/0x100 [ 298.676994] ? bpf_prog_test_run_skb+0x634/0xb40 [ 298.681780] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 298.686631] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 298.692167] ? fput+0x130/0x1a0 [ 298.695453] ? __bpf_prog_get+0x9b/0x290 [ 298.699517] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 298.704360] ? bpf_prog_test_run+0x130/0x1a0 [ 298.708776] ? __x64_sys_bpf+0x3d8/0x510 [ 298.712853] ? bpf_prog_get+0x20/0x20 [ 298.716666] ? ksys_ioctl+0x81/0xd0 [ 298.720337] ? do_syscall_64+0x1b9/0x820 [ 298.724402] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 298.729770] ? syscall_return_slowpath+0x5e0/0x5e0 [ 298.734706] ? trace_hardirqs_off+0x300/0x300 [ 298.739204] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 298.744223] ? recalc_sigpending_tsk+0x180/0x180 [ 298.748977] ? kasan_check_write+0x14/0x20 [ 298.753231] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.758114] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 298.763514] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 298.763600] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.770467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.770472] Call Trace: [ 298.770479] [ 298.770496] dump_stack+0x1c4/0x2b4 [ 298.770514] ? dump_stack_print_info.cold.2+0x52/0x52 [ 298.777134] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.786391] warn_alloc.cold.118+0xb7/0x1bd [ 298.788947] syz-executor0 cpuset= [ 298.791092] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.794692] syz0 [ 298.799882] ? lock_downgrade+0x900/0x900 [ 298.810344] mems_allowed=0 [ 298.814658] ? trace_hardirqs_off+0xb8/0x300 [ 298.836379] ? trace_hardirqs_off+0xb8/0x300 [ 298.840804] __alloc_pages_slowpath+0x2667/0x2d80 [ 298.845680] ? warn_alloc+0x120/0x120 [ 298.849488] ? warn_alloc+0x120/0x120 [ 298.853297] ? print_usage_bug+0xc0/0xc0 [ 298.857365] ? warn_alloc+0x120/0x120 [ 298.861188] ? print_usage_bug+0xc0/0xc0 [ 298.865255] ? __lock_acquire+0x7ec/0x4ec0 [ 298.869497] ? __lock_acquire+0x7ec/0x4ec0 [ 298.873740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.879292] ? should_fail+0x22d/0xd01 [ 298.883190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.888295] ? __lock_acquire+0x7ec/0x4ec0 [ 298.892538] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.897646] ? __lock_acquire+0x7ec/0x4ec0 [ 298.901902] ? should_fail+0x22d/0xd01 [ 298.905804] ? mark_held_locks+0x130/0x130 [ 298.910052] ? mark_held_locks+0x130/0x130 [ 298.914290] ? graph_lock+0x170/0x170 [ 298.918092] ? graph_lock+0x170/0x170 [ 298.921899] ? graph_lock+0x170/0x170 [ 298.925704] ? print_usage_bug+0xc0/0xc0 [ 298.929774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.935313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.940850] ? check_preemption_disabled+0x48/0x200 [ 298.945865] ? check_preemption_disabled+0x48/0x200 [ 298.950895] ? __lock_is_held+0xb5/0x140 [ 298.954968] __alloc_pages_nodemask+0xa80/0xde0 [ 298.959651] ? graph_lock+0x170/0x170 [ 298.963462] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 298.968477] ? graph_lock+0x170/0x170 [ 298.972295] ? find_held_lock+0x36/0x1c0 [ 298.976371] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.981044] ? lock_downgrade+0x900/0x900 [ 298.985202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.990750] cache_grow_begin+0x91/0x8c0 [ 298.994826] ? do_raw_spin_unlock+0xa7/0x2f0 [ 298.999247] fallback_alloc+0x203/0x2e0 [ 299.003233] ____cache_alloc_node+0x1c7/0x1e0 [ 299.007738] kmem_cache_alloc_node+0xe3/0x730 [ 299.012245] ? ipv6_get_ifaddr+0x42e/0x620 [ 299.016496] __alloc_skb+0x119/0x770 [ 299.020219] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.025524] ? skb_scrub_packet+0x490/0x490 [ 299.029855] ? lock_downgrade+0x900/0x900 [ 299.034025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.039570] ? refcount_sub_and_test_checked+0x203/0x310 [ 299.045034] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 299.050502] ? addrconf_rs_timer+0x6f0/0x6f0 [ 299.054927] ndisc_alloc_skb+0x144/0x340 [ 299.059011] ndisc_send_rs+0x331/0x6e0 [ 299.062919] addrconf_rs_timer+0x3c0/0x6f0 [ 299.067163] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.071415] call_timer_fn+0x272/0x920 [ 299.075306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.079553] ? process_timeout+0x40/0x40 [ 299.083619] ? find_held_lock+0x36/0x1c0 [ 299.087689] ? mark_held_locks+0xc7/0x130 [ 299.091842] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.096342] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.100843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.105080] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 299.109667] ? trace_hardirqs_on+0xbd/0x310 [ 299.113999] ? kasan_check_read+0x11/0x20 [ 299.118157] ? __run_timers+0x7da/0xc70 [ 299.122140] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.127603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.131854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.136096] __run_timers+0x7e5/0xc70 [ 299.139912] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 299.145286] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.150308] ? graph_lock+0x170/0x170 [ 299.154115] ? print_usage_bug+0xc0/0xc0 [ 299.158198] ? lock_release+0x970/0x970 [ 299.162179] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 299.167380] ? find_held_lock+0x36/0x1c0 [ 299.171453] ? graph_lock+0x170/0x170 [ 299.175263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.180807] ? check_preemption_disabled+0x48/0x200 [ 299.185840] ? __lock_is_held+0xb5/0x140 [ 299.189903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.195443] ? check_preemption_disabled+0x48/0x200 [ 299.200471] run_timer_softirq+0x52/0xb0 [ 299.204542] ? rcu_read_lock_sched_held+0x108/0x120 [ 299.209568] __do_softirq+0x30b/0xad8 [ 299.213418] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 299.218532] ? pvclock_read_flags+0x160/0x160 [ 299.223030] ? lapic_next_event+0x5a/0x90 [ 299.227183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.232726] ? check_preemption_disabled+0x48/0x200 [ 299.237743] ? check_preemption_disabled+0x48/0x200 [ 299.242778] ? kvm_clock_read+0x18/0x30 [ 299.246756] ? kvm_sched_clock_read+0x9/0x20 [ 299.251175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.256714] ? check_preemption_disabled+0x48/0x200 [ 299.261744] irq_exit+0x17f/0x1c0 [ 299.265210] smp_apic_timer_interrupt+0x1cb/0x760 [ 299.270061] ? smp_call_function_single_interrupt+0x650/0x650 [ 299.275948] ? interrupt_entry+0xb5/0xf0 [ 299.280022] ? trace_hardirqs_off_caller+0xbb/0x300 [ 299.285042] ? trace_hardirqs_off_caller+0xbb/0x300 [ 299.290067] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.294911] ? trace_hardirqs_off+0x300/0x300 [ 299.299407] ? trace_hardirqs_off+0x300/0x300 [ 299.303907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.309449] ? check_preemption_disabled+0x48/0x200 [ 299.314467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.320027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.324896] apic_timer_interrupt+0xf/0x20 [ 299.329125] [ 299.331366] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 299.336737] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 299.355643] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 299.363356] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 299.370625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 299.377901] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 299.385179] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 299.392458] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 299.399815] ? page_evictable+0x35d/0x540 [ 299.403992] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.409546] page_evictable+0x36b/0x540 [ 299.413538] ? kswapd_stop+0x100/0x100 [ 299.417440] ? ___might_sleep+0x1ed/0x300 [ 299.421599] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.427080] ? arch_local_save_flags+0x40/0x40 [ 299.431695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.437250] ? check_preemption_disabled+0x48/0x200 [ 299.442288] shrink_active_list+0x845/0x1c20 [ 299.446704] ? free_unref_page_list+0xc0f/0x11e0 [ 299.451483] ? shrink_inactive_list+0x1c60/0x1c60 [ 299.456345] ? graph_lock+0x170/0x170 [ 299.460148] ? __page_frag_cache_drain+0x200/0x200 [ 299.465082] ? print_usage_bug+0xc0/0xc0 [ 299.469164] ? find_held_lock+0x36/0x1c0 [ 299.473230] ? graph_lock+0x170/0x170 [ 299.477038] ? mark_held_locks+0xc7/0x130 [ 299.481196] ? check_preemption_disabled+0x48/0x200 [ 299.486214] ? check_preemption_disabled+0x48/0x200 [ 299.491243] ? graph_lock+0x170/0x170 [ 299.495050] ? __lock_is_held+0xb5/0x140 [ 299.499117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.504657] ? check_preemption_disabled+0x48/0x200 [ 299.509690] ? __lock_is_held+0xb5/0x140 [ 299.513766] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.518800] ? inactive_list_is_low+0x305/0x880 [ 299.523482] ? lruvec_lru_size+0x450/0x450 [ 299.527715] ? kasan_check_read+0x11/0x20 [ 299.531890] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 299.536837] shrink_node_memcg+0x803/0x18e0 [ 299.541183] ? shrink_active_list+0x1c20/0x1c20 [ 299.545861] ? lockdep_hardirqs_on+0x421/0x5c0 [ 299.550627] ? trace_hardirqs_on+0xbd/0x310 [ 299.554955] ? vmpressure+0x294/0x310 [ 299.558766] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.564248] shrink_node+0x3bc/0x16b0 [ 299.568057] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 299.573360] ? shrink_node_memcg+0x18e0/0x18e0 [ 299.577942] ? lockdep_hardirqs_on+0x421/0x5c0 [ 299.582548] ? trace_hardirqs_on+0xbd/0x310 [ 299.586879] ? vmpressure+0x294/0x310 [ 299.590687] ? do_raw_spin_unlock+0xa7/0x2f0 [ 299.595105] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 299.599702] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.605260] ? __cpuset_node_allowed+0x19b/0x660 [ 299.610030] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 299.615752] ? vmpressure+0x1c9/0x310 [ 299.619570] do_try_to_free_pages+0x3e7/0x1290 [ 299.624177] ? shrink_node+0x16b0/0x16b0 [ 299.628244] ? __lock_is_held+0xb5/0x140 [ 299.632342] try_to_free_pages+0x4d0/0xb90 [ 299.636584] ? do_try_to_free_pages+0x1290/0x1290 [ 299.641432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.646984] ? lock_acquire+0x1ed/0x520 [ 299.650970] ? set_page_refcounted+0x280/0x280 [ 299.655570] ? lock_release+0x970/0x970 [ 299.659556] ? ___might_sleep+0x1ed/0x300 [ 299.663713] ? arch_local_save_flags+0x40/0x40 [ 299.668305] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.673329] ? __radix_tree_lookup+0x358/0x4c0 [ 299.677927] __alloc_pages_slowpath+0x993/0x2d80 [ 299.682711] ? kasan_check_read+0x11/0x20 [ 299.686863] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.692143] ? warn_alloc+0x120/0x120 [ 299.695952] ? __radix_tree_lookup+0x4c0/0x4c0 [ 299.700556] ? find_get_entry+0x2f2/0xc40 [ 299.704715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.710261] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 299.715191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.720737] ? should_fail+0x22d/0xd01 [ 299.724638] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.729747] ? __lock_is_held+0xb5/0x140 [ 299.733812] ? graph_lock+0x170/0x170 [ 299.737619] ? graph_lock+0x170/0x170 [ 299.741439] ? __lock_is_held+0xb5/0x140 [ 299.745511] ? __lock_acquire+0x7ec/0x4ec0 [ 299.749751] ? ___might_sleep+0x1ed/0x300 [ 299.753902] ? lock_release+0x970/0x970 [ 299.757907] ? arch_local_save_flags+0x40/0x40 [ 299.762521] ? __might_sleep+0x95/0x190 [ 299.766507] __alloc_pages_nodemask+0xa80/0xde0 [ 299.771194] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 299.776228] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.782026] ? kasan_check_read+0x11/0x20 [ 299.786184] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.791465] ? graph_lock+0x170/0x170 [ 299.795276] ? print_usage_bug+0xc0/0xc0 [ 299.799350] ? graph_lock+0x170/0x170 [ 299.803153] ? graph_lock+0x170/0x170 [ 299.806983] ? __do_page_cache_readahead+0x7ce/0x980 [ 299.812161] ? find_held_lock+0x36/0x1c0 [ 299.816237] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 299.821802] alloc_pages_current+0x10c/0x210 [ 299.826216] ? lock_downgrade+0x900/0x900 [ 299.830647] __page_cache_alloc+0x38f/0x5b0 [ 299.834973] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.840785] ? kasan_check_read+0x11/0x20 [ 299.844936] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.850221] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 299.854909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.860448] ? check_preemption_disabled+0x48/0x200 [ 299.865473] filemap_fault+0x1594/0x25f0 [ 299.869549] ? __lock_page_or_retry+0xa00/0xa00 [ 299.874218] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.880019] ? kasan_check_read+0x11/0x20 [ 299.884174] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.889458] ? rcu_bh_qs+0xc0/0xc0 [ 299.893011] ? print_usage_bug+0xc0/0xc0 [ 299.897095] ? filemap_map_pages+0xdea/0x1980 [ 299.901615] ? print_usage_bug+0xc0/0xc0 [ 299.905689] ? find_get_pages_range_tag+0x1320/0x1320 [ 299.910880] ? print_usage_bug+0xc0/0xc0 [ 299.914941] ? __lock_acquire+0x7ec/0x4ec0 [ 299.919179] ? graph_lock+0x170/0x170 [ 299.923007] ? __sigqueue_free.part.27+0x7d/0xa0 [ 299.927775] ? __lock_acquire+0x7ec/0x4ec0 [ 299.932033] ? lock_acquire+0x1ed/0x520 [ 299.936020] ? ext4_filemap_fault+0x7a/0xad [ 299.940359] ? lock_release+0x970/0x970 [ 299.944337] ? arch_local_save_flags+0x40/0x40 [ 299.949184] ? mark_held_locks+0x130/0x130 [ 299.953433] ? down_read+0xb0/0x1d0 [ 299.957061] ? ext4_filemap_fault+0x7a/0xad [ 299.961883] ? __down_interruptible+0x700/0x700 [ 299.966558] ? graph_lock+0x170/0x170 [ 299.970362] ? __sigqueue_free.part.27+0x7d/0xa0 [ 299.975134] ext4_filemap_fault+0x82/0xad [ 299.979291] __do_fault+0x100/0x6b0 [ 299.982924] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.988207] ? print_bad_pte+0x6c0/0x6c0 [ 299.992288] ? pmd_val+0x88/0x100 [ 299.995757] ? add_mm_counter_fast+0xd0/0xd0 [ 300.000175] ? pmd_val+0x88/0x100 [ 300.003635] ? add_mm_counter_fast+0xd0/0xd0 [ 300.008053] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.013601] __handle_mm_fault+0x3709/0x53e0 [ 300.018032] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 300.022879] ? graph_lock+0x170/0x170 [ 300.026684] ? print_usage_bug+0xc0/0xc0 [ 300.030751] ? graph_lock+0x170/0x170 [ 300.034554] ? graph_lock+0x170/0x170 [ 300.038378] ? handle_mm_fault+0x42a/0xc70 [ 300.042617] ? lock_downgrade+0x900/0x900 [ 300.046766] ? check_preemption_disabled+0x48/0x200 [ 300.051806] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 300.057601] ? kasan_check_read+0x11/0x20 [ 300.061750] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.067037] ? rcu_bh_qs+0xc0/0xc0 [ 300.070582] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.076039] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.081578] ? check_preemption_disabled+0x48/0x200 [ 300.086609] handle_mm_fault+0x54f/0xc70 [ 300.090681] ? __handle_mm_fault+0x53e0/0x53e0 [ 300.095266] ? find_vma+0x34/0x190 [ 300.098821] __do_page_fault+0x67d/0xed0 [ 300.102892] ? mm_fault_error+0x380/0x380 [ 300.107049] ? syscall_slow_exit_work+0x520/0x520 [ 300.111899] do_page_fault+0xf2/0x7e0 [ 300.115708] ? vmalloc_sync_all+0x30/0x30 [ 300.119865] ? error_entry+0x70/0xd0 [ 300.123583] ? trace_hardirqs_off_caller+0xbb/0x300 [ 300.128604] ? trace_hardirqs_on_caller+0xc0/0x300 [ 300.133543] ? syscall_return_slowpath+0x5e0/0x5e0 [ 300.138481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.143334] ? trace_hardirqs_off+0x300/0x300 [ 300.147840] ? trace_hardirqs_off_caller+0x300/0x300 [ 300.152965] ? prepare_exit_to_usermode+0x291/0x3b0 [ 300.158014] ? page_fault+0x8/0x30 [ 300.161637] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.166489] ? page_fault+0x8/0x30 [ 300.170035] page_fault+0x1e/0x30 [ 300.173493] RIP: 0033:0x45db60 [ 300.176695] Code: Bad RIP value. [ 300.180067] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 300.185442] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 300.192718] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 300.200000] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 300.207278] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 300.214552] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 300.221856] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 300.221861] warn_alloc_show_mem: 1 callbacks suppressed [ 300.221869] Mem-Info: [ 300.229056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.234424] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 300.234424] active_file:15 inactive_file:16 isolated_file:2 [ 300.234424] unevictable:0 dirty:0 writeback:0 unstable:0 [ 300.234424] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 300.234424] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 300.234424] free:13788 free_pcp:262 free_cma:0 [ 300.236795] Call Trace: [ 300.246188] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 300.279048] [ 300.281620] Node 0 [ 300.309308] dump_stack+0x1c4/0x2b4 [ 300.311455] 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 [ 300.313664] ? dump_stack_print_info.cold.2+0x52/0x52 [ 300.317268] lowmem_reserve[]: [ 300.342793] warn_alloc.cold.118+0xb7/0x1bd [ 300.347961] 0 [ 300.351082] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.355369] 2815 [ 300.357169] ? lock_downgrade+0x900/0x900 [ 300.361982] 6318 [ 300.364052] ? trace_hardirqs_off+0xb8/0x300 [ 300.368171] 6318 [ 300.370230] ? trace_hardirqs_off+0xb8/0x300 [ 300.376672] __alloc_pages_slowpath+0x2667/0x2d80 [ 300.381051] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 300.385915] ? warn_alloc+0x120/0x120 [ 300.385932] ? trace_hardirqs_on+0x310/0x310 [ 300.413511] lowmem_reserve[]: [ 300.417319] ? warn_alloc+0x120/0x120 [ 300.421685] 0 0 [ 300.424798] ? print_usage_bug+0xc0/0xc0 [ 300.428569] 3503 [ 300.430541] ? warn_alloc+0x120/0x120 [ 300.434575] 3503 [ 300.436638] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 300.440411] Node 0 [ 300.442472] ? print_usage_bug+0xc0/0xc0 [ 300.447491] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 300.449698] ? __lock_acquire+0x7ec/0x4ec0 [ 300.453725] lowmem_reserve[]: 0 [ 300.482095] ? __lock_acquire+0x7ec/0x4ec0 [ 300.486303] 0 [ 300.489582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.493796] 0 [ 300.495593] ? should_fail+0x22d/0xd01 [ 300.501100] 0 [ 300.502901] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.508560] ? __lock_acquire+0x7ec/0x4ec0 [ 300.513638] Node 0 DMA: [ 300.517980] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.518007] ? __lock_acquire+0x7ec/0x4ec0 [ 300.520657] 1*4kB [ 300.525751] ? should_fail+0x22d/0xd01 [ 300.529957] (U) [ 300.532101] ? print_usage_bug+0xc0/0xc0 [ 300.535962] 0*8kB [ 300.537948] ? mark_held_locks+0x130/0x130 [ 300.541976] 0*16kB [ 300.544125] ? mark_held_locks+0x130/0x130 [ 300.548333] 1*32kB (U) [ 300.550582] ? graph_lock+0x170/0x170 [ 300.554791] 2*64kB [ 300.557368] ? print_usage_bug+0xc0/0xc0 [ 300.561145] (U) [ 300.563380] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 300.567415] 1*128kB [ 300.569394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.574115] (U) 1*256kB [ 300.576445] ? check_preemption_disabled+0x48/0x200 [ 300.582131] (U) [ 300.584799] ? check_preemption_disabled+0x48/0x200 [ 300.589788] 0*512kB 1*1024kB [ 300.591784] ? __lock_is_held+0xb5/0x140 [ 300.596776] (U) [ 300.599879] __alloc_pages_nodemask+0xa80/0xde0 [ 300.603910] 1*2048kB [ 300.605879] ? graph_lock+0x170/0x170 [ 300.610526] (M) [ 300.612934] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 300.616710] 3*4096kB [ 300.618680] ? graph_lock+0x170/0x170 [ 300.623672] (M) [ 300.626084] ? find_held_lock+0x36/0x1c0 [ 300.629853] = 15908kB [ 300.631832] ? ____cache_alloc_node+0x1c7/0x1e0 [ 300.635859] Node 0 [ 300.638266] ? lock_downgrade+0x900/0x900 [ 300.642913] DMA32: [ 300.645147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.649265] 3*4kB [ 300.651498] cache_grow_begin+0x91/0x8c0 [ 300.657017] (M) [ 300.659162] ? do_raw_spin_unlock+0xa7/0x2f0 [ 300.663198] 2*8kB [ 300.665173] fallback_alloc+0x203/0x2e0 [ 300.669554] (M) [ 300.671702] ____cache_alloc_node+0x1c7/0x1e0 [ 300.675651] 1*16kB [ 300.677621] kmem_cache_alloc_node+0xe3/0x730 [ 300.682089] (M) [ 300.684322] ? ipv6_get_ifaddr+0x42e/0x620 [ 300.688793] 1*32kB [ 300.690771] __alloc_skb+0x119/0x770 [ 300.694978] (M) [ 300.697223] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.700909] 3*64kB [ 300.702876] ? skb_scrub_packet+0x490/0x490 [ 300.708134] (UM) [ 300.710368] ? lock_downgrade+0x900/0x900 [ 300.714667] 3*128kB [ 300.716738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.720867] (M) 2*256kB [ 300.723201] ? refcount_sub_and_test_checked+0x203/0x310 [ 300.728709] (M) [ 300.731375] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 300.736798] 3*512kB [ 300.738771] ? addrconf_rs_timer+0x6f0/0x6f0 [ 300.744199] (M) [ 300.746525] ndisc_alloc_skb+0x144/0x340 [ 300.750900] 4*1024kB [ 300.752870] ndisc_send_rs+0x331/0x6e0 [ 300.756912] (UM) [ 300.759318] addrconf_rs_timer+0x3c0/0x6f0 [ 300.763202] 3*2048kB (UM) [ 300.765279] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.769484] 3*4096kB [ 300.772335] call_timer_fn+0x272/0x920 [ 300.776533] (M) [ 300.778941] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.782827] = 25228kB [ 300.782835] Node 0 [ 300.784805] ? process_timeout+0x40/0x40 [ 300.789014] Normal: [ 300.791419] ? find_held_lock+0x36/0x1c0 [ 300.793631] 866*4kB [ 300.797688] ? __run_timers+0x7da/0xc70 [ 300.799984] (ME) [ 300.804051] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.806351] 469*8kB [ 300.810315] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.812352] (UME) [ 300.816857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.819153] 197*16kB [ 300.823640] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 300.825766] (UME) [ 300.830003] ? trace_hardirqs_on+0xbd/0x310 [ 300.832389] 59*32kB [ 300.836961] ? kasan_check_read+0x11/0x20 [ 300.839085] (UME) [ 300.843401] ? __run_timers+0x7da/0xc70 [ 300.845695] 18*64kB [ 300.849833] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.851958] (ME) [ 300.855932] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.858224] 3*128kB (M) [ 300.863680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.865714] 1*256kB (U) [ 300.869954] __run_timers+0x7e5/0xc70 [ 300.872599] 0*512kB [ 300.876837] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 300.879476] 0*1024kB [ 300.883277] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 300.885574] 0*2048kB [ 300.890941] ? graph_lock+0x170/0x170 [ 300.893325] 0*4096kB [ 300.898334] ? enqueue_hrtimer+0x1a5/0x560 [ 300.900718] = 14048kB [ 300.904508] ? lock_release+0x970/0x970 [ 300.904524] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 300.906918] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 300.911143] ? find_held_lock+0x36/0x1c0 [ 300.913533] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 300.917499] ? graph_lock+0x170/0x170 [ 300.922666] 412 total pagecache pages [ 300.931500] ? pvclock_read_flags+0x160/0x160 [ 300.935541] 0 pages in swap cache [ 300.944106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.947885] Swap cache stats: add 0, delete 0, find 0/0 [ 300.951674] ? check_preemption_disabled+0x48/0x200 [ 300.956146] Free swap = 0kB [ 300.959599] ? __lock_is_held+0xb5/0x140 [ 300.965106] Total swap = 0kB [ 300.970465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.975457] 1965979 pages RAM [ 300.978468] ? check_preemption_disabled+0x48/0x200 [ 300.982498] 0 pages HighMem/MovableOnly [ 300.982507] 343323 pages reserved [ 300.985525] run_timer_softirq+0x52/0xb0 [ 300.991035] 0 pages cma reserved [ 300.994135] ? rcu_read_lock_sched_held+0x108/0x120 [ 300.999209] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.003105] __do_softirq+0x30b/0xad8 [ 301.006598] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.010589] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 301.013923] syz-fuzzer cpuset= [ 301.018935] ? pvclock_read_flags+0x160/0x160 [ 301.025402] / [ 301.029200] ? lapic_next_event+0x5a/0x90 [ 301.039400] mems_allowed=0 [ 301.044496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.066426] ? check_preemption_disabled+0x48/0x200 [ 301.071440] ? check_preemption_disabled+0x48/0x200 [ 301.076464] ? kvm_clock_read+0x18/0x30 [ 301.080441] ? kvm_sched_clock_read+0x9/0x20 [ 301.084852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.090407] ? check_preemption_disabled+0x48/0x200 [ 301.095439] irq_exit+0x17f/0x1c0 [ 301.098902] smp_apic_timer_interrupt+0x1cb/0x760 [ 301.103750] ? smp_reschedule_interrupt+0x109/0x650 [ 301.108770] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.114655] ? interrupt_entry+0xb5/0xf0 [ 301.118722] ? trace_hardirqs_off_caller+0xbb/0x300 [ 301.123738] ? trace_hardirqs_off_caller+0xbb/0x300 [ 301.128761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.133609] ? trace_hardirqs_off+0x300/0x300 [ 301.138106] ? trace_hardirqs_off+0x300/0x300 [ 301.142604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.148143] ? check_preemption_disabled+0x48/0x200 [ 301.153157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.158708] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.163561] apic_timer_interrupt+0xf/0x20 [ 301.167793] [ 301.170037] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 301.174968] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 301.193878] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 301.201587] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 301.208855] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 301.216125] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 301.223399] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 301.230665] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 301.237983] skb_clone+0x1bb/0x500 [ 301.241539] ? skb_split+0x11e0/0x11e0 [ 301.245440] ? dev_forward_skb+0x4c/0x60 [ 301.249511] ? __bpf_redirect+0x54b/0xb20 [ 301.253670] ? __switch_to_asm+0x34/0x70 [ 301.257743] bpf_clone_redirect+0xb9/0x490 [ 301.261999] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 301.267030] ? __sched_text_start+0x8/0x8 [ 301.271186] ? lockdep_hardirqs_on+0x421/0x5c0 [ 301.275781] ? retint_kernel+0x2d/0x2d [ 301.279674] ? trace_hardirqs_on_caller+0xc0/0x300 [ 301.284613] ? find_held_lock+0x36/0x1c0 [ 301.288687] ? lock_acquire+0x1ed/0x520 [ 301.292667] ? bpf_test_run+0x32e/0x5a0 [ 301.296646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.302187] ? check_preemption_disabled+0x48/0x200 [ 301.307209] ? kasan_check_read+0x11/0x20 [ 301.311362] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.316643] ? rcu_bh_qs+0xc0/0xc0 [ 301.320191] ? preempt_schedule+0x4d/0x60 [ 301.324341] ? ___preempt_schedule+0x16/0x18 [ 301.328760] ? bpf_test_run+0x1c0/0x5a0 [ 301.332748] ? netlink_diag_dump+0x2a0/0x2a0 [ 301.337160] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.342700] ? bpf_test_init.isra.9+0x70/0x100 [ 301.347295] ? bpf_prog_test_run_skb+0x634/0xb40 [ 301.352061] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 301.356902] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.362436] ? fput+0x130/0x1a0 [ 301.365720] ? __bpf_prog_get+0x9b/0x290 [ 301.369782] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 301.374624] ? bpf_prog_test_run+0x130/0x1a0 [ 301.379038] ? __x64_sys_bpf+0x3d8/0x510 [ 301.383100] ? bpf_prog_get+0x20/0x20 [ 301.386912] ? ksys_ioctl+0x81/0xd0 [ 301.390555] ? do_syscall_64+0x1b9/0x820 [ 301.394622] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 301.399999] ? syscall_return_slowpath+0x5e0/0x5e0 [ 301.404938] ? trace_hardirqs_off+0x300/0x300 [ 301.409437] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 301.414457] ? recalc_sigpending_tsk+0x180/0x180 [ 301.419215] ? kasan_check_write+0x14/0x20 [ 301.423460] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.428317] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 301.433698] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 301.433786] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.440618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.440624] Call Trace: [ 301.440632] [ 301.440648] dump_stack+0x1c4/0x2b4 [ 301.440666] ? dump_stack_print_info.cold.2+0x52/0x52 [ 301.447237] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.456503] warn_alloc.cold.118+0xb7/0x1bd [ 301.459056] syz-executor0 cpuset= [ 301.461201] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.464802] syz0 [ 301.469998] ? lock_downgrade+0x900/0x900 [ 301.480458] mems_allowed=0 [ 301.484776] ? trace_hardirqs_off+0xb8/0x300 [ 301.506453] ? trace_hardirqs_off+0xb8/0x300 [ 301.510871] __alloc_pages_slowpath+0x2667/0x2d80 [ 301.515746] ? warn_alloc+0x120/0x120 [ 301.519574] ? warn_alloc+0x120/0x120 [ 301.523381] ? print_usage_bug+0xc0/0xc0 [ 301.527445] ? warn_alloc+0x120/0x120 [ 301.531251] ? print_usage_bug+0xc0/0xc0 [ 301.535320] ? __lock_acquire+0x7ec/0x4ec0 [ 301.539556] ? __lock_acquire+0x7ec/0x4ec0 [ 301.543802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.549344] ? should_fail+0x22d/0xd01 [ 301.553238] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.558345] ? __lock_acquire+0x7ec/0x4ec0 [ 301.562590] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.567697] ? __lock_acquire+0x7ec/0x4ec0 [ 301.571936] ? should_fail+0x22d/0xd01 [ 301.575836] ? mark_held_locks+0x130/0x130 [ 301.580081] ? mark_held_locks+0x130/0x130 [ 301.584319] ? graph_lock+0x170/0x170 [ 301.588120] ? graph_lock+0x170/0x170 [ 301.591922] ? graph_lock+0x170/0x170 [ 301.595726] ? print_usage_bug+0xc0/0xc0 [ 301.599794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.605337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.610877] ? check_preemption_disabled+0x48/0x200 [ 301.615894] ? check_preemption_disabled+0x48/0x200 [ 301.620923] ? __lock_is_held+0xb5/0x140 [ 301.625009] __alloc_pages_nodemask+0xa80/0xde0 [ 301.629692] ? graph_lock+0x170/0x170 [ 301.633508] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 301.638524] ? graph_lock+0x170/0x170 [ 301.642344] ? find_held_lock+0x36/0x1c0 [ 301.646424] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.651098] ? lock_downgrade+0x900/0x900 [ 301.655265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.660842] cache_grow_begin+0x91/0x8c0 [ 301.664911] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.669330] fallback_alloc+0x203/0x2e0 [ 301.673316] ____cache_alloc_node+0x1c7/0x1e0 [ 301.677818] kmem_cache_alloc_node+0xe3/0x730 [ 301.682316] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.686570] __alloc_skb+0x119/0x770 [ 301.690287] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.695568] ? skb_scrub_packet+0x490/0x490 [ 301.699895] ? lock_downgrade+0x900/0x900 [ 301.704057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.709596] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.715052] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.720508] ? addrconf_rs_timer+0x6f0/0x6f0 [ 301.724933] ndisc_alloc_skb+0x144/0x340 [ 301.729012] ndisc_send_rs+0x331/0x6e0 [ 301.732912] addrconf_rs_timer+0x3c0/0x6f0 [ 301.737156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.741424] call_timer_fn+0x272/0x920 [ 301.745317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.749557] ? process_timeout+0x40/0x40 [ 301.753617] ? find_held_lock+0x36/0x1c0 [ 301.757689] ? mark_held_locks+0xc7/0x130 [ 301.761843] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.766340] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.770835] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.775076] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 301.779666] ? trace_hardirqs_on+0xbd/0x310 [ 301.783995] ? kasan_check_read+0x11/0x20 [ 301.788150] ? __run_timers+0x7da/0xc70 [ 301.792132] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.797593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.801839] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.806076] __run_timers+0x7e5/0xc70 [ 301.809892] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 301.815264] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 301.820283] ? graph_lock+0x170/0x170 [ 301.824104] ? print_usage_bug+0xc0/0xc0 [ 301.828178] ? lock_release+0x970/0x970 [ 301.832410] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 301.837611] ? find_held_lock+0x36/0x1c0 [ 301.841679] ? graph_lock+0x170/0x170 [ 301.845486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.851026] ? check_preemption_disabled+0x48/0x200 [ 301.856056] ? __lock_is_held+0xb5/0x140 [ 301.860120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.865660] ? check_preemption_disabled+0x48/0x200 [ 301.870691] run_timer_softirq+0x52/0xb0 [ 301.874789] ? rcu_read_lock_sched_held+0x108/0x120 [ 301.879815] __do_softirq+0x30b/0xad8 [ 301.883629] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 301.888742] ? pvclock_read_flags+0x160/0x160 [ 301.893241] ? lapic_next_event+0x5a/0x90 [ 301.897395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.902930] ? check_preemption_disabled+0x48/0x200 [ 301.907950] ? check_preemption_disabled+0x48/0x200 [ 301.912976] ? kvm_clock_read+0x18/0x30 [ 301.916960] ? kvm_sched_clock_read+0x9/0x20 [ 301.921386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.926937] ? check_preemption_disabled+0x48/0x200 [ 301.931994] irq_exit+0x17f/0x1c0 [ 301.935458] smp_apic_timer_interrupt+0x1cb/0x760 [ 301.940309] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.946195] ? interrupt_entry+0xb5/0xf0 [ 301.950525] ? trace_hardirqs_off_caller+0xbb/0x300 [ 301.955539] ? trace_hardirqs_off_caller+0xbb/0x300 [ 301.961020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.965864] ? trace_hardirqs_off+0x300/0x300 [ 301.970361] ? trace_hardirqs_off+0x300/0x300 [ 301.974860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.980399] ? check_preemption_disabled+0x48/0x200 [ 301.985415] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.990969] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.995837] apic_timer_interrupt+0xf/0x20 [ 302.000070] [ 302.002311] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 302.007681] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 302.026602] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 302.034334] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 302.041605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 302.048877] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 302.056147] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 302.063415] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 302.070709] ? page_evictable+0x35d/0x540 [ 302.074869] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 302.080408] page_evictable+0x36b/0x540 [ 302.084388] ? kswapd_stop+0x100/0x100 [ 302.088281] ? ___might_sleep+0x1ed/0x300 [ 302.092431] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.097882] ? arch_local_save_flags+0x40/0x40 [ 302.102470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.108012] ? check_preemption_disabled+0x48/0x200 [ 302.113041] shrink_active_list+0x845/0x1c20 [ 302.117457] ? free_unref_page_list+0xc0f/0x11e0 [ 302.122230] ? shrink_inactive_list+0x1c60/0x1c60 [ 302.127095] ? graph_lock+0x170/0x170 [ 302.130902] ? __page_frag_cache_drain+0x200/0x200 [ 302.135831] ? print_usage_bug+0xc0/0xc0 [ 302.139913] ? find_held_lock+0x36/0x1c0 [ 302.143978] ? graph_lock+0x170/0x170 [ 302.147795] ? mark_held_locks+0xc7/0x130 [ 302.151946] ? check_preemption_disabled+0x48/0x200 [ 302.156963] ? check_preemption_disabled+0x48/0x200 [ 302.162001] ? graph_lock+0x170/0x170 [ 302.165802] ? __lock_is_held+0xb5/0x140 [ 302.169866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.175404] ? check_preemption_disabled+0x48/0x200 [ 302.180433] ? __lock_is_held+0xb5/0x140 [ 302.184507] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.189523] ? inactive_list_is_low+0x305/0x880 [ 302.194203] ? lruvec_lru_size+0x450/0x450 [ 302.198437] ? kasan_check_read+0x11/0x20 [ 302.202597] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 302.207542] shrink_node_memcg+0x803/0x18e0 [ 302.211886] ? shrink_active_list+0x1c20/0x1c20 [ 302.216563] ? lockdep_hardirqs_on+0x421/0x5c0 [ 302.221153] ? trace_hardirqs_on+0xbd/0x310 [ 302.225480] ? vmpressure+0x294/0x310 [ 302.229283] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.234763] shrink_node+0x3bc/0x16b0 [ 302.238576] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 302.243879] ? shrink_node_memcg+0x18e0/0x18e0 [ 302.248462] ? lockdep_hardirqs_on+0x421/0x5c0 [ 302.253046] ? trace_hardirqs_on+0xbd/0x310 [ 302.257370] ? vmpressure+0x294/0x310 [ 302.261178] ? do_raw_spin_unlock+0xa7/0x2f0 [ 302.265590] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 302.270182] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 302.275722] ? __cpuset_node_allowed+0x19b/0x660 [ 302.280482] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 302.286195] ? vmpressure+0x1c9/0x310 [ 302.290013] do_try_to_free_pages+0x3e7/0x1290 [ 302.294617] ? shrink_node+0x16b0/0x16b0 [ 302.298682] ? __lock_is_held+0xb5/0x140 [ 302.302758] try_to_free_pages+0x4d0/0xb90 [ 302.307014] ? do_try_to_free_pages+0x1290/0x1290 [ 302.311859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.317410] ? lock_acquire+0x1ed/0x520 [ 302.321386] ? set_page_refcounted+0x280/0x280 [ 302.325976] ? lock_release+0x970/0x970 [ 302.329967] ? ___might_sleep+0x1ed/0x300 [ 302.334127] ? arch_local_save_flags+0x40/0x40 [ 302.338718] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.343743] ? __radix_tree_lookup+0x358/0x4c0 [ 302.348346] __alloc_pages_slowpath+0x993/0x2d80 [ 302.353132] ? kasan_check_read+0x11/0x20 [ 302.357296] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.362586] ? warn_alloc+0x120/0x120 [ 302.366396] ? __radix_tree_lookup+0x4c0/0x4c0 [ 302.371008] ? find_get_entry+0x2f2/0xc40 [ 302.375176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.380722] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 302.385697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.391242] ? should_fail+0x22d/0xd01 [ 302.395159] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.400266] ? __lock_is_held+0xb5/0x140 [ 302.404327] ? graph_lock+0x170/0x170 [ 302.408133] ? graph_lock+0x170/0x170 [ 302.411952] ? __lock_is_held+0xb5/0x140 [ 302.416030] ? __lock_acquire+0x7ec/0x4ec0 [ 302.420270] ? ___might_sleep+0x1ed/0x300 [ 302.424420] ? lock_release+0x970/0x970 [ 302.428401] ? arch_local_save_flags+0x40/0x40 [ 302.433005] ? __might_sleep+0x95/0x190 [ 302.437000] __alloc_pages_nodemask+0xa80/0xde0 [ 302.441682] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 302.446708] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 302.452511] ? kasan_check_read+0x11/0x20 [ 302.456665] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.461947] ? graph_lock+0x170/0x170 [ 302.465751] ? print_usage_bug+0xc0/0xc0 [ 302.469834] ? graph_lock+0x170/0x170 [ 302.473635] ? graph_lock+0x170/0x170 [ 302.477440] ? __do_page_cache_readahead+0x7ce/0x980 [ 302.482553] ? find_held_lock+0x36/0x1c0 [ 302.486625] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 302.492176] alloc_pages_current+0x10c/0x210 [ 302.496589] ? lock_downgrade+0x900/0x900 [ 302.500785] __page_cache_alloc+0x38f/0x5b0 [ 302.505115] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 302.510915] ? kasan_check_read+0x11/0x20 [ 302.515071] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.520352] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 302.525030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.530574] ? check_preemption_disabled+0x48/0x200 [ 302.535604] filemap_fault+0x1594/0x25f0 [ 302.539681] ? __lock_page_or_retry+0xa00/0xa00 [ 302.544356] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 302.550156] ? kasan_check_read+0x11/0x20 [ 302.554306] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.559597] ? rcu_bh_qs+0xc0/0xc0 [ 302.563152] ? print_usage_bug+0xc0/0xc0 [ 302.567228] ? filemap_map_pages+0xdea/0x1980 [ 302.571734] ? print_usage_bug+0xc0/0xc0 [ 302.575808] ? find_get_pages_range_tag+0x1320/0x1320 [ 302.581008] ? print_usage_bug+0xc0/0xc0 [ 302.585075] ? __lock_acquire+0x7ec/0x4ec0 [ 302.589316] ? graph_lock+0x170/0x170 [ 302.593120] ? __sigqueue_free.part.27+0x7d/0xa0 [ 302.597880] ? __lock_acquire+0x7ec/0x4ec0 [ 302.602148] ? lock_acquire+0x1ed/0x520 [ 302.606129] ? ext4_filemap_fault+0x7a/0xad [ 302.610459] ? lock_release+0x970/0x970 [ 302.614434] ? arch_local_save_flags+0x40/0x40 [ 302.619023] ? mark_held_locks+0x130/0x130 [ 302.623273] ? down_read+0xb0/0x1d0 [ 302.626900] ? ext4_filemap_fault+0x7a/0xad [ 302.631228] ? __down_interruptible+0x700/0x700 [ 302.635901] ? graph_lock+0x170/0x170 [ 302.639707] ? __sigqueue_free.part.27+0x7d/0xa0 [ 302.644495] ext4_filemap_fault+0x82/0xad [ 302.648648] __do_fault+0x100/0x6b0 [ 302.652284] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.657567] ? print_bad_pte+0x6c0/0x6c0 [ 302.661637] ? pmd_val+0x88/0x100 [ 302.665096] ? add_mm_counter_fast+0xd0/0xd0 [ 302.669507] ? pmd_val+0x88/0x100 [ 302.672964] ? add_mm_counter_fast+0xd0/0xd0 [ 302.677399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.682943] __handle_mm_fault+0x3709/0x53e0 [ 302.687366] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 302.692212] ? graph_lock+0x170/0x170 [ 302.696022] ? print_usage_bug+0xc0/0xc0 [ 302.700086] ? graph_lock+0x170/0x170 [ 302.703889] ? graph_lock+0x170/0x170 [ 302.707711] ? handle_mm_fault+0x42a/0xc70 [ 302.711948] ? lock_downgrade+0x900/0x900 [ 302.716100] ? check_preemption_disabled+0x48/0x200 [ 302.721126] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 302.726930] ? kasan_check_read+0x11/0x20 [ 302.731087] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.736367] ? rcu_bh_qs+0xc0/0xc0 [ 302.739914] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.745367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.750913] ? check_preemption_disabled+0x48/0x200 [ 302.755952] handle_mm_fault+0x54f/0xc70 [ 302.760035] ? __handle_mm_fault+0x53e0/0x53e0 [ 302.764621] ? find_vma+0x34/0x190 [ 302.768172] __do_page_fault+0x67d/0xed0 [ 302.772244] ? mm_fault_error+0x380/0x380 [ 302.776431] ? syscall_slow_exit_work+0x520/0x520 [ 302.781297] do_page_fault+0xf2/0x7e0 [ 302.785107] ? vmalloc_sync_all+0x30/0x30 [ 302.789259] ? error_entry+0x70/0xd0 [ 302.793000] ? trace_hardirqs_off_caller+0xbb/0x300 [ 302.798019] ? trace_hardirqs_on_caller+0xc0/0x300 [ 302.802954] ? syscall_return_slowpath+0x5e0/0x5e0 [ 302.807890] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.812736] ? trace_hardirqs_off+0x300/0x300 [ 302.817239] ? trace_hardirqs_off_caller+0x300/0x300 [ 302.822352] ? prepare_exit_to_usermode+0x291/0x3b0 [ 302.827377] ? page_fault+0x8/0x30 [ 302.830928] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.835784] ? page_fault+0x8/0x30 [ 302.839332] page_fault+0x1e/0x30 [ 302.842799] RIP: 0033:0x45db60 [ 302.846006] Code: Bad RIP value. [ 302.849368] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 302.854733] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 302.862006] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 302.869276] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 302.876544] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 302.883815] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 302.891109] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 302.891115] warn_alloc_show_mem: 1 callbacks suppressed [ 302.891122] Mem-Info: [ 302.898309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.903675] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 302.903675] active_file:15 inactive_file:16 isolated_file:2 [ 302.903675] unevictable:0 dirty:0 writeback:0 unstable:0 [ 302.903675] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 302.903675] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 302.903675] free:13788 free_pcp:262 free_cma:0 [ 302.906048] Call Trace: [ 302.915436] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 302.948282] [ 302.950852] Node 0 [ 302.978520] dump_stack+0x1c4/0x2b4 [ 302.980669] 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 [ 302.982877] ? dump_stack_print_info.cold.2+0x52/0x52 [ 302.986469] lowmem_reserve[]: 0 [ 303.011994] warn_alloc.cold.118+0xb7/0x1bd [ 303.017147] 2815 [ 303.020423] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.024710] 6318 6318 [ 303.026794] ? lock_downgrade+0x900/0x900 [ 303.034104] ? trace_hardirqs_off+0xb8/0x300 [ 303.038222] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 303.042651] ? trace_hardirqs_off+0xb8/0x300 [ 303.042673] __alloc_pages_slowpath+0x2667/0x2d80 [ 303.070244] lowmem_reserve[]: [ 303.074695] ? warn_alloc+0x120/0x120 [ 303.079475] 0 [ 303.082575] ? trace_hardirqs_on+0x310/0x310 [ 303.086352] 0 3503 [ 303.088168] ? warn_alloc+0x120/0x120 [ 303.092540] 3503 [ 303.094781] ? print_usage_bug+0xc0/0xc0 [ 303.098557] Node 0 [ 303.100618] ? warn_alloc+0x120/0x120 [ 303.104678] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 303.106895] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 303.110666] lowmem_reserve[]: [ 303.139046] ? print_usage_bug+0xc0/0xc0 [ 303.144033] 0 [ 303.147132] ? __lock_acquire+0x7ec/0x4ec0 [ 303.151164] 0 [ 303.152958] ? __lock_acquire+0x7ec/0x4ec0 [ 303.157167] 0 [ 303.158966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.163169] 0 [ 303.164968] ? should_fail+0x22d/0xd01 [ 303.172279] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.176134] Node 0 DMA: [ 303.181230] ? __lock_acquire+0x7ec/0x4ec0 [ 303.181249] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.183901] 1*4kB [ 303.188129] ? __lock_acquire+0x7ec/0x4ec0 [ 303.193207] (U) [ 303.195353] ? should_fail+0x22d/0xd01 [ 303.199566] 0*8kB [ 303.201534] ? print_usage_bug+0xc0/0xc0 [ 303.205401] 0*16kB [ 303.207547] ? mark_held_locks+0x130/0x130 [ 303.211578] 1*32kB [ 303.213807] ? mark_held_locks+0x130/0x130 [ 303.218020] (U) [ 303.220258] ? graph_lock+0x170/0x170 [ 303.224458] 2*64kB (U) [ 303.226441] ? print_usage_bug+0xc0/0xc0 [ 303.230239] 1*128kB [ 303.232819] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 303.236846] (U) 1*256kB [ 303.239178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.243903] (U) [ 303.246578] ? check_preemption_disabled+0x48/0x200 [ 303.252089] 0*512kB [ 303.254062] ? check_preemption_disabled+0x48/0x200 [ 303.259052] 1*1024kB [ 303.261375] ? __lock_is_held+0xb5/0x140 [ 303.266362] (U) [ 303.268772] __alloc_pages_nodemask+0xa80/0xde0 [ 303.272808] 1*2048kB [ 303.274774] ? graph_lock+0x170/0x170 [ 303.279424] (M) [ 303.281830] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 303.285606] 3*4096kB [ 303.287575] ? graph_lock+0x170/0x170 [ 303.292563] (M) [ 303.294978] ? find_held_lock+0x36/0x1c0 [ 303.298749] = 15908kB [ 303.300724] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.304753] Node 0 [ 303.307161] ? lock_downgrade+0x900/0x900 [ 303.311803] DMA32: [ 303.314038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.318155] 3*4kB [ 303.320385] cache_grow_begin+0x91/0x8c0 [ 303.325892] (M) [ 303.328041] ? do_raw_spin_unlock+0xa7/0x2f0 [ 303.332075] 2*8kB [ 303.334049] fallback_alloc+0x203/0x2e0 [ 303.338426] (M) [ 303.340576] ____cache_alloc_node+0x1c7/0x1e0 [ 303.344522] 1*16kB [ 303.346492] kmem_cache_alloc_node+0xe3/0x730 [ 303.350958] (M) [ 303.353193] ? ipv6_get_ifaddr+0x42e/0x620 [ 303.357659] 1*32kB [ 303.359637] __alloc_skb+0x119/0x770 [ 303.363838] (M) [ 303.366075] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.369758] 3*64kB [ 303.371726] ? skb_scrub_packet+0x490/0x490 [ 303.376976] (UM) [ 303.379237] ? lock_downgrade+0x900/0x900 [ 303.383538] 3*128kB [ 303.385601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.389721] (M) [ 303.392042] ? refcount_sub_and_test_checked+0x203/0x310 [ 303.397554] 2*256kB [ 303.399527] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 303.404950] (M) [ 303.407278] ? addrconf_rs_timer+0x6f0/0x6f0 [ 303.412695] 3*512kB [ 303.414673] ndisc_alloc_skb+0x144/0x340 [ 303.419047] (M) [ 303.421370] ndisc_send_rs+0x331/0x6e0 [ 303.425403] 4*1024kB [ 303.427374] addrconf_rs_timer+0x3c0/0x6f0 [ 303.431292] (UM) [ 303.433700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.437907] 3*2048kB [ 303.439975] call_timer_fn+0x272/0x920 [ 303.444175] (UM) [ 303.446581] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.450445] 3*4096kB [ 303.452508] ? process_timeout+0x40/0x40 [ 303.456718] (M) [ 303.459122] ? find_held_lock+0x36/0x1c0 [ 303.463158] = 25228kB [ 303.465132] ? __run_timers+0x7da/0xc70 [ 303.469159] Node 0 [ 303.471564] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.475511] Normal: [ 303.477745] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.482216] 866*4kB [ 303.484536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.489005] (ME) [ 303.491329] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 303.495536] 469*8kB [ 303.497595] ? trace_hardirqs_on+0xbd/0x310 [ 303.502153] (UME) [ 303.504470] ? kasan_check_read+0x11/0x20 [ 303.508776] 197*16kB [ 303.510920] ? __run_timers+0x7da/0xc70 [ 303.515041] (UME) [ 303.517447] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.521397] 59*32kB [ 303.523541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.528963] (UME) [ 303.531294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.535513] 18*64kB [ 303.537654] __run_timers+0x7e5/0xc70 [ 303.541860] (ME) [ 303.544187] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 303.547954] 3*128kB [ 303.550019] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 303.555357] (M) [ 303.557678] ? graph_lock+0x170/0x170 [ 303.562667] 1*256kB (U) [ 303.564649] ? enqueue_hrtimer+0x1a5/0x560 [ 303.568419] 0*512kB 0*1024kB [ 303.571094] ? lock_release+0x970/0x970 [ 303.575305] 0*2048kB [ 303.578402] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 303.582355] 0*4096kB [ 303.584761] ? find_held_lock+0x36/0x1c0 [ 303.589925] = 14048kB [ 303.592326] ? graph_lock+0x170/0x170 [ 303.596366] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 303.598765] ? pvclock_read_flags+0x160/0x160 [ 303.602548] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 303.611370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.615838] 412 total pagecache pages [ 303.624408] ? check_preemption_disabled+0x48/0x200 [ 303.629925] 0 pages in swap cache [ 303.633715] ? __lock_is_held+0xb5/0x140 [ 303.638707] Swap cache stats: add 0, delete 0, find 0/0 [ 303.642152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.646186] Free swap = 0kB [ 303.651540] ? check_preemption_disabled+0x48/0x200 [ 303.657051] Total swap = 0kB [ 303.660064] run_timer_softirq+0x52/0xb0 [ 303.665052] 1965979 pages RAM [ 303.668063] ? rcu_read_lock_sched_held+0x108/0x120 [ 303.672115] 0 pages HighMem/MovableOnly [ 303.675233] __do_softirq+0x30b/0xad8 [ 303.680215] 343323 pages reserved [ 303.680223] 0 pages cma reserved [ 303.684199] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 303.688068] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.691422] ? pvclock_read_flags+0x160/0x160 [ 303.694839] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.699861] ? lapic_next_event+0x5a/0x90 [ 303.706327] syz-fuzzer cpuset= [ 303.710819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.721107] / [ 303.725248] ? check_preemption_disabled+0x48/0x200 [ 303.728418] mems_allowed=0 [ 303.733946] ? check_preemption_disabled+0x48/0x200 [ 303.748563] ? kvm_clock_read+0x18/0x30 [ 303.752544] ? kvm_sched_clock_read+0x9/0x20 [ 303.756957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.762505] ? check_preemption_disabled+0x48/0x200 [ 303.767539] irq_exit+0x17f/0x1c0 [ 303.771010] smp_apic_timer_interrupt+0x1cb/0x760 [ 303.775868] ? smp_reschedule_interrupt+0x109/0x650 [ 303.780889] ? smp_call_function_single_interrupt+0x650/0x650 [ 303.786785] ? interrupt_entry+0xb5/0xf0 [ 303.790883] ? trace_hardirqs_off_caller+0xbb/0x300 [ 303.795901] ? trace_hardirqs_off_caller+0xbb/0x300 [ 303.800923] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.805768] ? trace_hardirqs_off+0x300/0x300 [ 303.810285] ? trace_hardirqs_off+0x300/0x300 [ 303.814791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.820361] ? check_preemption_disabled+0x48/0x200 [ 303.825379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.831447] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.836311] apic_timer_interrupt+0xf/0x20 [ 303.840542] [ 303.842786] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 303.847722] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 303.866625] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 303.874335] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 303.881601] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 303.888870] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 303.896140] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 303.903410] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 303.910727] skb_clone+0x1bb/0x500 [ 303.914282] ? skb_split+0x11e0/0x11e0 [ 303.918182] ? dev_forward_skb+0x4c/0x60 [ 303.922247] ? __bpf_redirect+0x54b/0xb20 [ 303.926405] ? __switch_to_asm+0x34/0x70 [ 303.930477] bpf_clone_redirect+0xb9/0x490 [ 303.934722] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 303.939748] ? __sched_text_start+0x8/0x8 [ 303.943906] ? lockdep_hardirqs_on+0x421/0x5c0 [ 303.948494] ? retint_kernel+0x2d/0x2d [ 303.952385] ? trace_hardirqs_on_caller+0xc0/0x300 [ 303.957320] ? find_held_lock+0x36/0x1c0 [ 303.961592] ? lock_acquire+0x1ed/0x520 [ 303.965569] ? bpf_test_run+0x32e/0x5a0 [ 303.969550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.975090] ? check_preemption_disabled+0x48/0x200 [ 303.980143] ? kasan_check_read+0x11/0x20 [ 303.984301] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.989579] ? rcu_bh_qs+0xc0/0xc0 [ 303.993127] ? preempt_schedule+0x4d/0x60 [ 303.997288] ? ___preempt_schedule+0x16/0x18 [ 304.001703] ? bpf_test_run+0x1c0/0x5a0 [ 304.005690] ? netlink_diag_dump+0x2a0/0x2a0 [ 304.010102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.015649] ? bpf_test_init.isra.9+0x70/0x100 [ 304.020254] ? bpf_prog_test_run_skb+0x634/0xb40 [ 304.025035] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 304.029880] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 304.035419] ? fput+0x130/0x1a0 [ 304.038703] ? __bpf_prog_get+0x9b/0x290 [ 304.042766] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 304.047610] ? bpf_prog_test_run+0x130/0x1a0 [ 304.052032] ? __x64_sys_bpf+0x3d8/0x510 [ 304.056095] ? bpf_prog_get+0x20/0x20 [ 304.059907] ? ksys_ioctl+0x81/0xd0 [ 304.063546] ? do_syscall_64+0x1b9/0x820 [ 304.067614] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 304.073007] ? syscall_return_slowpath+0x5e0/0x5e0 [ 304.077943] ? trace_hardirqs_off+0x300/0x300 [ 304.082445] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 304.087466] ? recalc_sigpending_tsk+0x180/0x180 [ 304.092222] ? kasan_check_write+0x14/0x20 [ 304.096467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.101318] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.106705] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 304.106792] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 304.113630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.113639] Call Trace: [ 304.120212] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 304.129462] [ 304.132064] syz-executor0 cpuset= [ 304.142540] dump_stack+0x1c4/0x2b4 [ 304.144666] syz0 [ 304.148113] ? dump_stack_print_info.cold.2+0x52/0x52 [ 304.151717] mems_allowed=0 [ 304.153697] warn_alloc.cold.118+0xb7/0x1bd [ 304.166088] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 304.170954] ? lock_downgrade+0x900/0x900 [ 304.175140] ? trace_hardirqs_off+0xb8/0x300 [ 304.179556] ? trace_hardirqs_off+0xb8/0x300 [ 304.183983] __alloc_pages_slowpath+0x2667/0x2d80 [ 304.188870] ? warn_alloc+0x120/0x120 [ 304.192680] ? graph_lock+0x170/0x170 [ 304.196487] ? warn_alloc+0x120/0x120 [ 304.200296] ? print_usage_bug+0xc0/0xc0 [ 304.204371] ? warn_alloc+0x120/0x120 [ 304.208186] ? print_usage_bug+0xc0/0xc0 [ 304.212252] ? __lock_acquire+0x7ec/0x4ec0 [ 304.216491] ? __lock_acquire+0x7ec/0x4ec0 [ 304.220739] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.226291] ? should_fail+0x22d/0xd01 [ 304.230187] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.235312] ? __lock_acquire+0x7ec/0x4ec0 [ 304.239557] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.244662] ? __lock_acquire+0x7ec/0x4ec0 [ 304.248913] ? should_fail+0x22d/0xd01 [ 304.252826] ? mark_held_locks+0x130/0x130 [ 304.257071] ? mark_held_locks+0x130/0x130 [ 304.261310] ? graph_lock+0x170/0x170 [ 304.265112] ? graph_lock+0x170/0x170 [ 304.268918] ? graph_lock+0x170/0x170 [ 304.272719] ? print_usage_bug+0xc0/0xc0 [ 304.276786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.282328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.287865] ? check_preemption_disabled+0x48/0x200 [ 304.292898] ? check_preemption_disabled+0x48/0x200 [ 304.297924] ? __lock_is_held+0xb5/0x140 [ 304.301999] __alloc_pages_nodemask+0xa80/0xde0 [ 304.306718] ? graph_lock+0x170/0x170 [ 304.310524] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 304.315540] ? graph_lock+0x170/0x170 [ 304.319355] ? find_held_lock+0x36/0x1c0 [ 304.323431] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.328102] ? lock_downgrade+0x900/0x900 [ 304.332256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.337807] cache_grow_begin+0x91/0x8c0 [ 304.341869] ? do_raw_spin_unlock+0xa7/0x2f0 [ 304.346316] fallback_alloc+0x203/0x2e0 [ 304.350298] ____cache_alloc_node+0x1c7/0x1e0 [ 304.354804] kmem_cache_alloc_node+0xe3/0x730 [ 304.359303] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.363552] __alloc_skb+0x119/0x770 [ 304.367269] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.372555] ? skb_scrub_packet+0x490/0x490 [ 304.376878] ? lock_downgrade+0x900/0x900 [ 304.381038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.386579] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.392036] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.397487] ? addrconf_rs_timer+0x6f0/0x6f0 [ 304.401910] ndisc_alloc_skb+0x144/0x340 [ 304.406001] ndisc_send_rs+0x331/0x6e0 [ 304.409898] addrconf_rs_timer+0x3c0/0x6f0 [ 304.414140] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.418393] call_timer_fn+0x272/0x920 [ 304.422283] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.426525] ? process_timeout+0x40/0x40 [ 304.430586] ? find_held_lock+0x36/0x1c0 [ 304.434656] ? mark_held_locks+0xc7/0x130 [ 304.438808] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.443305] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.447807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.452045] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 304.456635] ? trace_hardirqs_on+0xbd/0x310 [ 304.460959] ? kasan_check_read+0x11/0x20 [ 304.465118] ? __run_timers+0x7da/0xc70 [ 304.469126] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.474585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.478835] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.483074] __run_timers+0x7e5/0xc70 [ 304.486894] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 304.492262] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.497286] ? graph_lock+0x170/0x170 [ 304.501096] ? print_usage_bug+0xc0/0xc0 [ 304.505156] ? lock_release+0x970/0x970 [ 304.509136] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.514334] ? find_held_lock+0x36/0x1c0 [ 304.518400] ? graph_lock+0x170/0x170 [ 304.522208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.527750] ? check_preemption_disabled+0x48/0x200 [ 304.532788] ? __lock_is_held+0xb5/0x140 [ 304.536853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.542390] ? check_preemption_disabled+0x48/0x200 [ 304.547420] run_timer_softirq+0x52/0xb0 [ 304.551488] ? rcu_read_lock_sched_held+0x108/0x120 [ 304.556517] __do_softirq+0x30b/0xad8 [ 304.560337] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 304.565453] ? pvclock_read_flags+0x160/0x160 [ 304.569954] ? lapic_next_event+0x5a/0x90 [ 304.574120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.579662] ? check_preemption_disabled+0x48/0x200 [ 304.584680] ? check_preemption_disabled+0x48/0x200 [ 304.589713] ? kvm_clock_read+0x18/0x30 [ 304.593690] ? kvm_sched_clock_read+0x9/0x20 [ 304.598108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.603645] ? check_preemption_disabled+0x48/0x200 [ 304.608676] irq_exit+0x17f/0x1c0 [ 304.612140] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.616998] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.622884] ? interrupt_entry+0xb5/0xf0 [ 304.626949] ? trace_hardirqs_off_caller+0xbb/0x300 [ 304.631983] ? trace_hardirqs_off_caller+0xbb/0x300 [ 304.637023] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.641872] ? trace_hardirqs_off+0x300/0x300 [ 304.646365] ? trace_hardirqs_off+0x300/0x300 [ 304.650867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.656407] ? check_preemption_disabled+0x48/0x200 [ 304.661425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.666970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.671834] apic_timer_interrupt+0xf/0x20 [ 304.676066] [ 304.678305] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 304.683673] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 304.702576] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 304.710289] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 304.717558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 304.724828] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 304.732098] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 304.739370] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 304.746661] ? page_evictable+0x35d/0x540 [ 304.750819] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 304.756374] page_evictable+0x36b/0x540 [ 304.760360] ? kswapd_stop+0x100/0x100 [ 304.764259] ? ___might_sleep+0x1ed/0x300 [ 304.768411] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.773869] ? arch_local_save_flags+0x40/0x40 [ 304.778459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.784004] ? check_preemption_disabled+0x48/0x200 [ 304.789036] shrink_active_list+0x845/0x1c20 [ 304.793448] ? free_unref_page_list+0xc0f/0x11e0 [ 304.798221] ? shrink_inactive_list+0x1c60/0x1c60 [ 304.803099] ? graph_lock+0x170/0x170 [ 304.806900] ? __page_frag_cache_drain+0x200/0x200 [ 304.811833] ? print_usage_bug+0xc0/0xc0 [ 304.815914] ? find_held_lock+0x36/0x1c0 [ 304.819982] ? graph_lock+0x170/0x170 [ 304.823796] ? mark_held_locks+0xc7/0x130 [ 304.827952] ? check_preemption_disabled+0x48/0x200 [ 304.832978] ? check_preemption_disabled+0x48/0x200 [ 304.838022] ? graph_lock+0x170/0x170 [ 304.841824] ? __lock_is_held+0xb5/0x140 [ 304.845889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.851426] ? check_preemption_disabled+0x48/0x200 [ 304.856455] ? __lock_is_held+0xb5/0x140 [ 304.860535] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.865556] ? inactive_list_is_low+0x305/0x880 [ 304.870237] ? lruvec_lru_size+0x450/0x450 [ 304.874473] ? kasan_check_read+0x11/0x20 [ 304.878636] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 304.883577] shrink_node_memcg+0x803/0x18e0 [ 304.888019] ? shrink_active_list+0x1c20/0x1c20 [ 304.892702] ? lockdep_hardirqs_on+0x421/0x5c0 [ 304.897293] ? trace_hardirqs_on+0xbd/0x310 [ 304.901621] ? vmpressure+0x294/0x310 [ 304.905426] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.910905] shrink_node+0x3bc/0x16b0 [ 304.914713] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 304.920027] ? shrink_node_memcg+0x18e0/0x18e0 [ 304.924623] ? lockdep_hardirqs_on+0x421/0x5c0 [ 304.929212] ? trace_hardirqs_on+0xbd/0x310 [ 304.933539] ? vmpressure+0x294/0x310 [ 304.937350] ? do_raw_spin_unlock+0xa7/0x2f0 [ 304.941769] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 304.946380] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 304.951922] ? __cpuset_node_allowed+0x19b/0x660 [ 304.956692] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 304.962414] ? vmpressure+0x1c9/0x310 [ 304.966233] do_try_to_free_pages+0x3e7/0x1290 [ 304.970936] ? shrink_node+0x16b0/0x16b0 [ 304.975010] ? __lock_is_held+0xb5/0x140 [ 304.979087] try_to_free_pages+0x4d0/0xb90 [ 304.983331] ? do_try_to_free_pages+0x1290/0x1290 [ 304.988181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.993734] ? lock_acquire+0x1ed/0x520 [ 304.997710] ? set_page_refcounted+0x280/0x280 [ 305.002299] ? lock_release+0x970/0x970 [ 305.006284] ? ___might_sleep+0x1ed/0x300 [ 305.010437] ? arch_local_save_flags+0x40/0x40 [ 305.015023] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 305.020045] ? __radix_tree_lookup+0x358/0x4c0 [ 305.024639] __alloc_pages_slowpath+0x993/0x2d80 [ 305.029426] ? kasan_check_read+0x11/0x20 [ 305.033587] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.038868] ? warn_alloc+0x120/0x120 [ 305.042671] ? __radix_tree_lookup+0x4c0/0x4c0 [ 305.047272] ? find_get_entry+0x2f2/0xc40 [ 305.051436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.056984] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 305.061929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.067474] ? should_fail+0x22d/0xd01 [ 305.071369] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.076479] ? __lock_is_held+0xb5/0x140 [ 305.080542] ? graph_lock+0x170/0x170 [ 305.084349] ? graph_lock+0x170/0x170 [ 305.088172] ? __lock_is_held+0xb5/0x140 [ 305.092246] ? __lock_acquire+0x7ec/0x4ec0 [ 305.096490] ? ___might_sleep+0x1ed/0x300 [ 305.100639] ? lock_release+0x970/0x970 [ 305.104622] ? arch_local_save_flags+0x40/0x40 [ 305.109230] ? __might_sleep+0x95/0x190 [ 305.113214] __alloc_pages_nodemask+0xa80/0xde0 [ 305.117894] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 305.122919] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 305.128716] ? kasan_check_read+0x11/0x20 [ 305.132871] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.138156] ? graph_lock+0x170/0x170 [ 305.141962] ? print_usage_bug+0xc0/0xc0 [ 305.146040] ? graph_lock+0x170/0x170 [ 305.149840] ? graph_lock+0x170/0x170 [ 305.153650] ? __do_page_cache_readahead+0x7ce/0x980 [ 305.158762] ? find_held_lock+0x36/0x1c0 [ 305.162930] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 305.168475] alloc_pages_current+0x10c/0x210 [ 305.172890] ? lock_downgrade+0x900/0x900 [ 305.177051] __page_cache_alloc+0x38f/0x5b0 [ 305.181384] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 305.187187] ? kasan_check_read+0x11/0x20 [ 305.191344] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.196631] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 305.201312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.206857] ? check_preemption_disabled+0x48/0x200 [ 305.211887] filemap_fault+0x1594/0x25f0 [ 305.215969] ? __lock_page_or_retry+0xa00/0xa00 [ 305.220654] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 305.226459] ? kasan_check_read+0x11/0x20 [ 305.230619] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.235899] ? rcu_bh_qs+0xc0/0xc0 [ 305.239451] ? print_usage_bug+0xc0/0xc0 [ 305.243527] ? filemap_map_pages+0xdea/0x1980 [ 305.248034] ? print_usage_bug+0xc0/0xc0 [ 305.252126] ? find_get_pages_range_tag+0x1320/0x1320 [ 305.257327] ? print_usage_bug+0xc0/0xc0 [ 305.261425] ? __lock_acquire+0x7ec/0x4ec0 [ 305.265664] ? graph_lock+0x170/0x170 [ 305.269477] ? __sigqueue_free.part.27+0x7d/0xa0 [ 305.274251] ? __lock_acquire+0x7ec/0x4ec0 [ 305.278514] ? lock_acquire+0x1ed/0x520 [ 305.282500] ? ext4_filemap_fault+0x7a/0xad [ 305.286841] ? lock_release+0x970/0x970 [ 305.290829] ? arch_local_save_flags+0x40/0x40 [ 305.295431] ? mark_held_locks+0x130/0x130 [ 305.299689] ? down_read+0xb0/0x1d0 [ 305.303326] ? ext4_filemap_fault+0x7a/0xad [ 305.307661] ? __down_interruptible+0x700/0x700 [ 305.312342] ? graph_lock+0x170/0x170 [ 305.316152] ? __sigqueue_free.part.27+0x7d/0xa0 [ 305.320942] ext4_filemap_fault+0x82/0xad [ 305.325109] __do_fault+0x100/0x6b0 [ 305.328745] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.334039] ? print_bad_pte+0x6c0/0x6c0 [ 305.338121] ? pmd_val+0x88/0x100 [ 305.341580] ? add_mm_counter_fast+0xd0/0xd0 [ 305.345997] ? pmd_val+0x88/0x100 [ 305.349457] ? add_mm_counter_fast+0xd0/0xd0 [ 305.353877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.359424] __handle_mm_fault+0x3709/0x53e0 [ 305.363850] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 305.368702] ? graph_lock+0x170/0x170 [ 305.372507] ? print_usage_bug+0xc0/0xc0 [ 305.376577] ? graph_lock+0x170/0x170 [ 305.380384] ? graph_lock+0x170/0x170 [ 305.384240] ? handle_mm_fault+0x42a/0xc70 [ 305.388481] ? lock_downgrade+0x900/0x900 [ 305.392633] ? check_preemption_disabled+0x48/0x200 [ 305.397668] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 305.403471] ? kasan_check_read+0x11/0x20 [ 305.407629] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.412915] ? rcu_bh_qs+0xc0/0xc0 [ 305.416465] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.421930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.427481] ? check_preemption_disabled+0x48/0x200 [ 305.432521] handle_mm_fault+0x54f/0xc70 [ 305.436600] ? __handle_mm_fault+0x53e0/0x53e0 [ 305.441202] ? find_vma+0x34/0x190 [ 305.444764] __do_page_fault+0x67d/0xed0 [ 305.448849] ? mm_fault_error+0x380/0x380 [ 305.453023] ? syscall_slow_exit_work+0x520/0x520 [ 305.457881] do_page_fault+0xf2/0x7e0 [ 305.461695] ? vmalloc_sync_all+0x30/0x30 [ 305.465858] ? error_entry+0x70/0xd0 [ 305.469580] ? trace_hardirqs_off_caller+0xbb/0x300 [ 305.474601] ? trace_hardirqs_on_caller+0xc0/0x300 [ 305.479535] ? syscall_return_slowpath+0x5e0/0x5e0 [ 305.484472] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.489338] ? trace_hardirqs_off+0x300/0x300 [ 305.493853] ? trace_hardirqs_off_caller+0x300/0x300 [ 305.498981] ? prepare_exit_to_usermode+0x291/0x3b0 [ 305.504029] ? page_fault+0x8/0x30 [ 305.507585] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.512442] ? page_fault+0x8/0x30 [ 305.515999] page_fault+0x1e/0x30 [ 305.519465] RIP: 0033:0x45db60 [ 305.522667] Code: Bad RIP value. [ 305.526032] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 305.531399] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 305.538678] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 305.545957] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 305.553244] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 305.560526] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 305.567831] warn_alloc_show_mem: 1 callbacks suppressed [ 305.567845] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 305.567847] Mem-Info: [ 305.567880] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 305.567880] active_file:15 inactive_file:16 isolated_file:2 [ 305.567880] unevictable:0 dirty:0 writeback:0 unstable:0 [ 305.567880] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 305.567880] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 305.567880] free:13788 free_pcp:262 free_cma:0 [ 305.573221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.580423] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 305.582825] Call Trace: [ 305.615714] Node 0 [ 305.625072] [ 305.652780] 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 [ 305.655343] dump_stack+0x1c4/0x2b4 [ 305.657547] lowmem_reserve[]: [ 305.659698] ? dump_stack_print_info.cold.2+0x52/0x52 [ 305.685193] 0 [ 305.688846] warn_alloc.cold.118+0xb7/0x1bd [ 305.691907] 2815 [ 305.697092] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.698869] 6318 [ 305.703188] ? lock_downgrade+0x900/0x900 [ 305.705229] 6318 [ 305.710075] ? trace_hardirqs_off+0xb8/0x300 [ 305.716255] ? trace_hardirqs_off+0xb8/0x300 [ 305.718294] Node 0 [ 305.722701] __alloc_pages_slowpath+0x2667/0x2d80 [ 305.727105] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 305.729339] ? warn_alloc+0x120/0x120 [ 305.734123] lowmem_reserve[]: 0 [ 305.761140] ? trace_hardirqs_on+0x310/0x310 [ 305.764903] 0 3503 [ 305.768195] ? warn_alloc+0x120/0x120 [ 305.772573] 3503 [ 305.774806] ? print_usage_bug+0xc0/0xc0 [ 305.778577] Node 0 [ 305.780637] ? warn_alloc+0x120/0x120 [ 305.784695] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 305.786908] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 305.790670] lowmem_reserve[]: 0 [ 305.819089] ? print_usage_bug+0xc0/0xc0 [ 305.824071] 0 0 [ 305.827359] ? __lock_acquire+0x7ec/0x4ec0 [ 305.831700] 0 [ 305.833682] ? __lock_acquire+0x7ec/0x4ec0 [ 305.839700] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.843901] Node 0 [ 305.849435] ? should_fail+0x22d/0xd01 [ 305.849438] DMA: 1*4kB [ 305.851678] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.855540] (U) [ 305.858122] ? __lock_acquire+0x7ec/0x4ec0 [ 305.863192] 0*8kB 0*16kB [ 305.865178] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.869387] 1*32kB [ 305.872148] ? __lock_acquire+0x7ec/0x4ec0 [ 305.877224] (U) [ 305.879469] ? should_fail+0x22d/0xd01 [ 305.883679] 2*64kB [ 305.885658] ? print_usage_bug+0xc0/0xc0 [ 305.889517] (U) [ 305.891763] ? mark_held_locks+0x130/0x130 [ 305.895802] 1*128kB [ 305.897771] ? mark_held_locks+0x130/0x130 [ 305.901983] (U) [ 305.904312] ? graph_lock+0x170/0x170 [ 305.908511] 1*256kB (U) [ 305.910494] ? print_usage_bug+0xc0/0xc0 [ 305.914270] 0*512kB [ 305.916944] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 305.920976] 1*1024kB [ 305.923310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.928051] (U) [ 305.930462] ? check_preemption_disabled+0x48/0x200 [ 305.935976] 1*2048kB [ 305.937952] ? check_preemption_disabled+0x48/0x200 [ 305.942937] (M) 3*4096kB [ 305.945371] ? __lock_is_held+0xb5/0x140 [ 305.950359] (M) [ 305.953128] __alloc_pages_nodemask+0xa80/0xde0 [ 305.957157] = 15908kB [ 305.959133] ? graph_lock+0x170/0x170 [ 305.964300] Node 0 [ 305.966712] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 305.970487] DMA32: [ 305.972723] ? graph_lock+0x170/0x170 [ 305.977713] 3*4kB [ 305.979956] ? find_held_lock+0x36/0x1c0 [ 305.983722] (M) [ 305.985875] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.989905] 2*8kB [ 305.991877] ? lock_downgrade+0x900/0x900 [ 305.996521] (M) [ 305.998676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.002801] 1*16kB [ 306.004782] cache_grow_begin+0x91/0x8c0 [ 306.010293] (M) [ 306.012539] ? do_raw_spin_unlock+0xa7/0x2f0 [ 306.016572] 1*32kB [ 306.018566] fallback_alloc+0x203/0x2e0 [ 306.022934] (M) [ 306.025176] ____cache_alloc_node+0x1c7/0x1e0 [ 306.029118] 3*64kB [ 306.031089] kmem_cache_alloc_node+0xe3/0x730 [ 306.035556] (UM) [ 306.037798] ? ipv6_get_ifaddr+0x42e/0x620 [ 306.042266] 3*128kB [ 306.044336] __alloc_skb+0x119/0x770 [ 306.048537] (M) [ 306.050861] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.054545] 2*256kB [ 306.056518] ? skb_scrub_packet+0x490/0x490 [ 306.061775] (M) [ 306.064092] ? lock_downgrade+0x900/0x900 [ 306.068389] 3*512kB [ 306.070367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.074487] (M) [ 306.076808] ? refcount_sub_and_test_checked+0x203/0x310 [ 306.082320] 4*1024kB [ 306.084298] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 306.089720] (UM) [ 306.092128] ? addrconf_rs_timer+0x6f0/0x6f0 [ 306.097548] 3*2048kB [ 306.099613] ndisc_alloc_skb+0x144/0x340 [ 306.103996] (UM) [ 306.106405] ndisc_send_rs+0x331/0x6e0 [ 306.110439] 3*4096kB [ 306.112497] addrconf_rs_timer+0x3c0/0x6f0 [ 306.116354] (M) [ 306.118760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.122973] = 25228kB [ 306.124961] call_timer_fn+0x272/0x920 [ 306.129162] Node 0 [ 306.131569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.135430] Normal: [ 306.137660] ? process_timeout+0x40/0x40 [ 306.141867] 866*4kB [ 306.144183] ? find_held_lock+0x36/0x1c0 [ 306.148216] (ME) [ 306.150538] ? __run_timers+0x7da/0xc70 [ 306.154570] 469*8kB [ 306.156627] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.160570] (UME) [ 306.162886] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.167364] 197*16kB [ 306.169523] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.173995] (UME) [ 306.176414] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 306.180619] 59*32kB [ 306.182771] ? trace_hardirqs_on+0xbd/0x310 [ 306.187333] (UME) [ 306.189655] ? kasan_check_read+0x11/0x20 [ 306.193945] 18*64kB (ME) [ 306.196102] ? __run_timers+0x7da/0xc70 [ 306.200222] 3*128kB [ 306.202980] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.206929] (M) [ 306.209252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.214679] 1*256kB [ 306.216662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.220859] (U) [ 306.223180] __run_timers+0x7e5/0xc70 [ 306.227385] 0*512kB [ 306.229362] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 306.233127] 0*1024kB [ 306.235444] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 306.240780] 0*2048kB [ 306.243184] ? graph_lock+0x170/0x170 [ 306.248174] 0*4096kB [ 306.250580] ? enqueue_hrtimer+0x1a5/0x560 [ 306.254356] = 14048kB [ 306.256763] ? lock_release+0x970/0x970 [ 306.260985] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 306.263394] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 306.267347] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 306.276173] ? find_held_lock+0x36/0x1c0 [ 306.281337] 412 total pagecache pages [ 306.289907] ? graph_lock+0x170/0x170 [ 306.293951] 0 pages in swap cache [ 306.297739] ? pvclock_read_flags+0x160/0x160 [ 306.301517] Swap cache stats: add 0, delete 0, find 0/0 [ 306.304964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.309431] Free swap = 0kB [ 306.314787] ? check_preemption_disabled+0x48/0x200 [ 306.314812] ? __lock_is_held+0xb5/0x140 [ 306.320318] Total swap = 0kB [ 306.323334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.328323] 1965979 pages RAM [ 306.332374] ? check_preemption_disabled+0x48/0x200 [ 306.335364] 0 pages HighMem/MovableOnly [ 306.335373] 343323 pages reserved [ 306.340908] run_timer_softirq+0x52/0xb0 [ 306.343980] 0 pages cma reserved [ 306.349003] ? rcu_read_lock_sched_held+0x108/0x120 [ 306.353053] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 306.356400] __do_softirq+0x30b/0xad8 [ 306.360530] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 306.363797] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 306.368789] syz-fuzzer cpuset= [ 306.375281] ? pvclock_read_flags+0x160/0x160 [ 306.379050] / [ 306.389283] ? lapic_next_event+0x5a/0x90 [ 306.394358] mems_allowed=0 [ 306.397546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.416325] ? check_preemption_disabled+0x48/0x200 [ 306.421348] ? check_preemption_disabled+0x48/0x200 [ 306.426374] ? kvm_clock_read+0x18/0x30 [ 306.430349] ? kvm_sched_clock_read+0x9/0x20 [ 306.434765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.440308] ? check_preemption_disabled+0x48/0x200 [ 306.445342] irq_exit+0x17f/0x1c0 [ 306.448807] smp_apic_timer_interrupt+0x1cb/0x760 [ 306.453656] ? smp_reschedule_interrupt+0x109/0x650 [ 306.458676] ? smp_call_function_single_interrupt+0x650/0x650 [ 306.464563] ? interrupt_entry+0xb5/0xf0 [ 306.468629] ? trace_hardirqs_off_caller+0xbb/0x300 [ 306.473645] ? trace_hardirqs_off_caller+0xbb/0x300 [ 306.478668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.483516] ? trace_hardirqs_off+0x300/0x300 [ 306.488019] ? trace_hardirqs_off+0x300/0x300 [ 306.492521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.498061] ? check_preemption_disabled+0x48/0x200 [ 306.503079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.508623] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.513478] apic_timer_interrupt+0xf/0x20 [ 306.517706] [ 306.519947] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 306.524882] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 306.543786] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 306.551497] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 306.558765] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 306.566034] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 306.573306] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 306.580573] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 306.587887] skb_clone+0x1bb/0x500 [ 306.591429] ? skb_split+0x11e0/0x11e0 [ 306.595328] ? dev_forward_skb+0x4c/0x60 [ 306.599393] ? __bpf_redirect+0x54b/0xb20 [ 306.603548] ? __switch_to_asm+0x34/0x70 [ 306.607619] bpf_clone_redirect+0xb9/0x490 [ 306.611867] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 306.616892] ? __sched_text_start+0x8/0x8 [ 306.621045] ? lockdep_hardirqs_on+0x421/0x5c0 [ 306.625634] ? retint_kernel+0x2d/0x2d [ 306.629527] ? trace_hardirqs_on_caller+0xc0/0x300 [ 306.634468] ? find_held_lock+0x36/0x1c0 [ 306.638536] ? lock_acquire+0x1ed/0x520 [ 306.642510] ? bpf_test_run+0x32e/0x5a0 [ 306.646490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.652029] ? check_preemption_disabled+0x48/0x200 [ 306.657050] ? kasan_check_read+0x11/0x20 [ 306.661204] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.666483] ? rcu_bh_qs+0xc0/0xc0 [ 306.670032] ? preempt_schedule+0x4d/0x60 [ 306.674183] ? ___preempt_schedule+0x16/0x18 [ 306.678600] ? bpf_test_run+0x1c0/0x5a0 [ 306.682590] ? netlink_diag_dump+0x2a0/0x2a0 [ 306.687010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.692545] ? bpf_test_init.isra.9+0x70/0x100 [ 306.697138] ? bpf_prog_test_run_skb+0x634/0xb40 [ 306.701906] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 306.706750] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 306.712295] ? fput+0x130/0x1a0 [ 306.715580] ? __bpf_prog_get+0x9b/0x290 [ 306.719647] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 306.724494] ? bpf_prog_test_run+0x130/0x1a0 [ 306.728907] ? __x64_sys_bpf+0x3d8/0x510 [ 306.732971] ? bpf_prog_get+0x20/0x20 [ 306.736791] ? ksys_ioctl+0x81/0xd0 [ 306.740433] ? do_syscall_64+0x1b9/0x820 [ 306.744502] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 306.749878] ? syscall_return_slowpath+0x5e0/0x5e0 [ 306.754818] ? trace_hardirqs_off+0x300/0x300 [ 306.759317] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 306.764334] ? recalc_sigpending_tsk+0x180/0x180 [ 306.769112] ? kasan_check_write+0x14/0x20 [ 306.773360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.778222] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 306.783608] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 306.783694] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 306.790532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.790538] Call Trace: [ 306.790546] [ 306.790562] dump_stack+0x1c4/0x2b4 [ 306.790579] ? dump_stack_print_info.cold.2+0x52/0x52 [ 306.797146] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 306.806411] warn_alloc.cold.118+0xb7/0x1bd [ 306.808961] syz-executor0 cpuset= [ 306.811104] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.814721] syz0 [ 306.819909] ? lock_downgrade+0x900/0x900 [ 306.830363] mems_allowed=0 [ 306.851970] ? trace_hardirqs_off+0xb8/0x300 [ 306.856392] ? trace_hardirqs_off+0xb8/0x300 [ 306.860814] __alloc_pages_slowpath+0x2667/0x2d80 [ 306.865693] ? warn_alloc+0x120/0x120 [ 306.869501] ? trace_hardirqs_on+0x310/0x310 [ 306.873914] ? warn_alloc+0x120/0x120 [ 306.877722] ? print_usage_bug+0xc0/0xc0 [ 306.881800] ? warn_alloc+0x120/0x120 [ 306.885604] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 306.890624] ? print_usage_bug+0xc0/0xc0 [ 306.894692] ? __lock_acquire+0x7ec/0x4ec0 [ 306.898931] ? __lock_acquire+0x7ec/0x4ec0 [ 306.903175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.908717] ? should_fail+0x22d/0xd01 [ 306.912615] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.917722] ? __lock_acquire+0x7ec/0x4ec0 [ 306.921965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.927075] ? __lock_acquire+0x7ec/0x4ec0 [ 306.931309] ? should_fail+0x22d/0xd01 [ 306.935195] ? print_usage_bug+0xc0/0xc0 [ 306.939270] ? mark_held_locks+0x130/0x130 [ 306.943514] ? mark_held_locks+0x130/0x130 [ 306.947781] ? graph_lock+0x170/0x170 [ 306.951591] ? print_usage_bug+0xc0/0xc0 [ 306.955655] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.960416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.965953] ? check_preemption_disabled+0x48/0x200 [ 306.970981] ? check_preemption_disabled+0x48/0x200 [ 306.976027] ? __lock_is_held+0xb5/0x140 [ 306.980098] __alloc_pages_nodemask+0xa80/0xde0 [ 306.984771] ? graph_lock+0x170/0x170 [ 306.988587] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 306.993603] ? graph_lock+0x170/0x170 [ 306.997418] ? find_held_lock+0x36/0x1c0 [ 307.001492] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.006167] ? lock_downgrade+0x900/0x900 [ 307.010327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.015872] cache_grow_begin+0x91/0x8c0 [ 307.019941] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.024363] fallback_alloc+0x203/0x2e0 [ 307.028349] ____cache_alloc_node+0x1c7/0x1e0 [ 307.032851] kmem_cache_alloc_node+0xe3/0x730 [ 307.037350] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.041597] __alloc_skb+0x119/0x770 [ 307.045318] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.050604] ? skb_scrub_packet+0x490/0x490 [ 307.054929] ? lock_downgrade+0x900/0x900 [ 307.059092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.064631] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.070087] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.075542] ? addrconf_rs_timer+0x6f0/0x6f0 [ 307.079964] ndisc_alloc_skb+0x144/0x340 [ 307.084043] ndisc_send_rs+0x331/0x6e0 [ 307.087938] addrconf_rs_timer+0x3c0/0x6f0 [ 307.092182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.096437] call_timer_fn+0x272/0x920 [ 307.100330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.104569] ? process_timeout+0x40/0x40 [ 307.108633] ? find_held_lock+0x36/0x1c0 [ 307.112710] ? mark_held_locks+0xc7/0x130 [ 307.116871] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.121373] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.125874] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.130111] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 307.134698] ? trace_hardirqs_on+0xbd/0x310 [ 307.139027] ? kasan_check_read+0x11/0x20 [ 307.143185] ? __run_timers+0x7da/0xc70 [ 307.147167] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.152633] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.156876] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.161118] __run_timers+0x7e5/0xc70 [ 307.164939] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 307.170308] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 307.175326] ? graph_lock+0x170/0x170 [ 307.179133] ? print_usage_bug+0xc0/0xc0 [ 307.183192] ? lock_release+0x970/0x970 [ 307.187167] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 307.192368] ? find_held_lock+0x36/0x1c0 [ 307.196438] ? graph_lock+0x170/0x170 [ 307.200243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.205786] ? check_preemption_disabled+0x48/0x200 [ 307.210821] ? __lock_is_held+0xb5/0x140 [ 307.214886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.220420] ? check_preemption_disabled+0x48/0x200 [ 307.225450] run_timer_softirq+0x52/0xb0 [ 307.229516] ? rcu_read_lock_sched_held+0x108/0x120 [ 307.234539] __do_softirq+0x30b/0xad8 [ 307.238355] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 307.243469] ? pvclock_read_flags+0x160/0x160 [ 307.247967] ? lapic_next_event+0x5a/0x90 [ 307.252125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.257663] ? check_preemption_disabled+0x48/0x200 [ 307.262680] ? check_preemption_disabled+0x48/0x200 [ 307.267703] ? kvm_clock_read+0x18/0x30 [ 307.271683] ? kvm_sched_clock_read+0x9/0x20 [ 307.276097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.281633] ? check_preemption_disabled+0x48/0x200 [ 307.286663] irq_exit+0x17f/0x1c0 [ 307.290123] smp_apic_timer_interrupt+0x1cb/0x760 [ 307.294969] ? smp_call_function_single_interrupt+0x650/0x650 [ 307.300864] ? interrupt_entry+0xb5/0xf0 [ 307.304948] ? trace_hardirqs_off_caller+0xbb/0x300 [ 307.309963] ? trace_hardirqs_off_caller+0xbb/0x300 [ 307.314999] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.319843] ? trace_hardirqs_off+0x300/0x300 [ 307.324338] ? trace_hardirqs_off+0x300/0x300 [ 307.328834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.334374] ? check_preemption_disabled+0x48/0x200 [ 307.339394] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.344947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.349806] apic_timer_interrupt+0xf/0x20 [ 307.354034] [ 307.356272] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 307.361643] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 307.380546] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 307.388259] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 307.395525] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 307.402797] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 307.410092] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 307.417359] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 307.424650] ? page_evictable+0x35d/0x540 [ 307.428815] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 307.434352] page_evictable+0x36b/0x540 [ 307.438334] ? kswapd_stop+0x100/0x100 [ 307.442232] ? ___might_sleep+0x1ed/0x300 [ 307.446386] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.451839] ? arch_local_save_flags+0x40/0x40 [ 307.456428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.461968] ? check_preemption_disabled+0x48/0x200 [ 307.467033] shrink_active_list+0x845/0x1c20 [ 307.471444] ? free_unref_page_list+0xc0f/0x11e0 [ 307.476220] ? shrink_inactive_list+0x1c60/0x1c60 [ 307.481094] ? graph_lock+0x170/0x170 [ 307.484911] ? __page_frag_cache_drain+0x200/0x200 [ 307.489846] ? print_usage_bug+0xc0/0xc0 [ 307.493924] ? find_held_lock+0x36/0x1c0 [ 307.497998] ? graph_lock+0x170/0x170 [ 307.501809] ? mark_held_locks+0xc7/0x130 [ 307.505963] ? check_preemption_disabled+0x48/0x200 [ 307.511012] ? check_preemption_disabled+0x48/0x200 [ 307.516093] ? graph_lock+0x170/0x170 [ 307.519923] ? __lock_is_held+0xb5/0x140 [ 307.524015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.529557] ? check_preemption_disabled+0x48/0x200 [ 307.534589] ? __lock_is_held+0xb5/0x140 [ 307.538668] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 307.543692] ? inactive_list_is_low+0x305/0x880 [ 307.548374] ? lruvec_lru_size+0x450/0x450 [ 307.552607] ? kasan_check_read+0x11/0x20 [ 307.556770] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 307.561723] shrink_node_memcg+0x803/0x18e0 [ 307.566072] ? shrink_active_list+0x1c20/0x1c20 [ 307.570756] ? lockdep_hardirqs_on+0x421/0x5c0 [ 307.575351] ? trace_hardirqs_on+0xbd/0x310 [ 307.579682] ? vmpressure+0x294/0x310 [ 307.583486] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.588965] shrink_node+0x3bc/0x16b0 [ 307.592813] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 307.598131] ? shrink_node_memcg+0x18e0/0x18e0 [ 307.602718] ? lockdep_hardirqs_on+0x421/0x5c0 [ 307.607332] ? trace_hardirqs_on+0xbd/0x310 [ 307.611661] ? vmpressure+0x294/0x310 [ 307.615469] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.619880] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 307.624472] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 307.630016] ? __cpuset_node_allowed+0x19b/0x660 [ 307.634786] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 307.640500] ? vmpressure+0x1c9/0x310 [ 307.644314] do_try_to_free_pages+0x3e7/0x1290 [ 307.648918] ? shrink_node+0x16b0/0x16b0 [ 307.652983] ? __lock_is_held+0xb5/0x140 [ 307.657093] try_to_free_pages+0x4d0/0xb90 [ 307.661339] ? do_try_to_free_pages+0x1290/0x1290 [ 307.666185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.671737] ? lock_acquire+0x1ed/0x520 [ 307.675716] ? set_page_refcounted+0x280/0x280 [ 307.680304] ? lock_release+0x970/0x970 [ 307.684294] ? ___might_sleep+0x1ed/0x300 [ 307.688452] ? arch_local_save_flags+0x40/0x40 [ 307.693041] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 307.698065] ? __radix_tree_lookup+0x358/0x4c0 [ 307.702658] __alloc_pages_slowpath+0x993/0x2d80 [ 307.707445] ? kasan_check_read+0x11/0x20 [ 307.711596] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.716873] ? warn_alloc+0x120/0x120 [ 307.720678] ? __radix_tree_lookup+0x4c0/0x4c0 [ 307.725275] ? find_get_entry+0x2f2/0xc40 [ 307.729434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.734977] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 307.739921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.745460] ? should_fail+0x22d/0xd01 [ 307.749355] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.754460] ? __lock_is_held+0xb5/0x140 [ 307.758526] ? graph_lock+0x170/0x170 [ 307.762333] ? graph_lock+0x170/0x170 [ 307.766154] ? __lock_is_held+0xb5/0x140 [ 307.770227] ? __lock_acquire+0x7ec/0x4ec0 [ 307.774469] ? ___might_sleep+0x1ed/0x300 [ 307.778619] ? lock_release+0x970/0x970 [ 307.782596] ? arch_local_save_flags+0x40/0x40 [ 307.787192] ? __might_sleep+0x95/0x190 [ 307.791177] __alloc_pages_nodemask+0xa80/0xde0 [ 307.795857] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 307.800880] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 307.806676] ? kasan_check_read+0x11/0x20 [ 307.810827] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.816112] ? graph_lock+0x170/0x170 [ 307.819918] ? print_usage_bug+0xc0/0xc0 [ 307.823983] ? graph_lock+0x170/0x170 [ 307.827799] ? graph_lock+0x170/0x170 [ 307.831838] ? __do_page_cache_readahead+0x7ce/0x980 [ 307.836951] ? find_held_lock+0x36/0x1c0 [ 307.841027] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 307.846574] alloc_pages_current+0x10c/0x210 [ 307.851006] ? lock_downgrade+0x900/0x900 [ 307.855179] __page_cache_alloc+0x38f/0x5b0 [ 307.859511] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 307.865312] ? kasan_check_read+0x11/0x20 [ 307.869488] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.874787] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 307.879470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.885026] ? check_preemption_disabled+0x48/0x200 [ 307.890060] filemap_fault+0x1594/0x25f0 [ 307.894143] ? __lock_page_or_retry+0xa00/0xa00 [ 307.898819] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 307.904615] ? kasan_check_read+0x11/0x20 [ 307.908767] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.914057] ? rcu_bh_qs+0xc0/0xc0 [ 307.917609] ? print_usage_bug+0xc0/0xc0 [ 307.921677] ? filemap_map_pages+0xdea/0x1980 [ 307.926183] ? print_usage_bug+0xc0/0xc0 [ 307.930260] ? find_get_pages_range_tag+0x1320/0x1320 [ 307.935449] ? print_usage_bug+0xc0/0xc0 [ 307.939520] ? __lock_acquire+0x7ec/0x4ec0 [ 307.943758] ? graph_lock+0x170/0x170 [ 307.947569] ? __sigqueue_free.part.27+0x7d/0xa0 [ 307.952335] ? __lock_acquire+0x7ec/0x4ec0 [ 307.956586] ? lock_acquire+0x1ed/0x520 [ 307.961044] ? ext4_filemap_fault+0x7a/0xad [ 307.965377] ? lock_release+0x970/0x970 [ 307.969394] ? arch_local_save_flags+0x40/0x40 [ 307.973979] ? mark_held_locks+0x130/0x130 [ 307.978251] ? down_read+0xb0/0x1d0 [ 307.981878] ? ext4_filemap_fault+0x7a/0xad [ 307.986205] ? __down_interruptible+0x700/0x700 [ 307.990881] ? graph_lock+0x170/0x170 [ 307.994686] ? __sigqueue_free.part.27+0x7d/0xa0 [ 307.999455] ext4_filemap_fault+0x82/0xad [ 308.003613] __do_fault+0x100/0x6b0 [ 308.007243] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.012528] ? print_bad_pte+0x6c0/0x6c0 [ 308.016599] ? pmd_val+0x88/0x100 [ 308.020070] ? add_mm_counter_fast+0xd0/0xd0 [ 308.024482] ? pmd_val+0x88/0x100 [ 308.027948] ? add_mm_counter_fast+0xd0/0xd0 [ 308.032364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.037907] __handle_mm_fault+0x3709/0x53e0 [ 308.042327] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 308.047173] ? graph_lock+0x170/0x170 [ 308.050977] ? print_usage_bug+0xc0/0xc0 [ 308.055049] ? graph_lock+0x170/0x170 [ 308.058849] ? graph_lock+0x170/0x170 [ 308.062671] ? handle_mm_fault+0x42a/0xc70 [ 308.066910] ? lock_downgrade+0x900/0x900 [ 308.071057] ? check_preemption_disabled+0x48/0x200 [ 308.076112] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 308.081906] ? kasan_check_read+0x11/0x20 [ 308.086061] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.091342] ? rcu_bh_qs+0xc0/0xc0 [ 308.094886] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.100344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.105885] ? check_preemption_disabled+0x48/0x200 [ 308.110910] handle_mm_fault+0x54f/0xc70 [ 308.114979] ? __handle_mm_fault+0x53e0/0x53e0 [ 308.119574] ? find_vma+0x34/0x190 [ 308.123125] __do_page_fault+0x67d/0xed0 [ 308.127197] ? mm_fault_error+0x380/0x380 [ 308.131357] ? syscall_slow_exit_work+0x520/0x520 [ 308.136212] do_page_fault+0xf2/0x7e0 [ 308.140025] ? vmalloc_sync_all+0x30/0x30 [ 308.144178] ? error_entry+0x70/0xd0 [ 308.147896] ? trace_hardirqs_off_caller+0xbb/0x300 [ 308.152929] ? trace_hardirqs_on_caller+0xc0/0x300 [ 308.157863] ? syscall_return_slowpath+0x5e0/0x5e0 [ 308.162967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.167817] ? trace_hardirqs_off+0x300/0x300 [ 308.172314] ? trace_hardirqs_off_caller+0x300/0x300 [ 308.177424] ? prepare_exit_to_usermode+0x291/0x3b0 [ 308.182442] ? page_fault+0x8/0x30 [ 308.186009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.190871] ? page_fault+0x8/0x30 [ 308.194416] page_fault+0x1e/0x30 [ 308.197873] RIP: 0033:0x45db60 [ 308.201077] Code: Bad RIP value. [ 308.204443] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 308.209812] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 308.217092] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 308.224393] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 308.231674] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 308.238955] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 308.246310] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 308.246316] warn_alloc_show_mem: 1 callbacks suppressed [ 308.246325] Mem-Info: [ 308.253511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.253520] Call Trace: [ 308.258895] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 308.258895] active_file:15 inactive_file:16 isolated_file:2 [ 308.258895] unevictable:0 dirty:0 writeback:0 unstable:0 [ 308.258895] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 308.258895] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 308.258895] free:13788 free_pcp:262 free_cma:0 [ 308.261263] [ 308.270626] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 308.273211] dump_stack+0x1c4/0x2b4 [ 308.306065] Node 0 [ 308.308212] ? dump_stack_print_info.cold.2+0x52/0x52 [ 308.335881] 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 [ 308.339491] warn_alloc.cold.118+0xb7/0x1bd [ 308.341693] lowmem_reserve[]: [ 308.346880] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 308.372364] 0 2815 [ 308.376692] ? lock_downgrade+0x900/0x900 [ 308.379769] 6318 [ 308.384609] ? trace_hardirqs_off+0xb8/0x300 [ 308.386817] 6318 [ 308.390963] ? trace_hardirqs_off+0xb8/0x300 [ 308.397443] __alloc_pages_slowpath+0x2667/0x2d80 [ 308.399477] Node 0 [ 308.403905] ? warn_alloc+0x120/0x120 [ 308.408740] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 308.410963] ? trace_hardirqs_on+0x310/0x310 [ 308.414736] lowmem_reserve[]: 0 [ 308.441751] ? warn_alloc+0x120/0x120 [ 308.446128] 0 [ 308.449405] ? print_usage_bug+0xc0/0xc0 [ 308.453201] 3503 3503 [ 308.455016] ? warn_alloc+0x120/0x120 [ 308.461548] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 308.465324] Node 0 [ 308.470332] ? print_usage_bug+0xc0/0xc0 [ 308.470363] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 308.470371] lowmem_reserve[]: [ 308.472604] ? __lock_acquire+0x7ec/0x4ec0 [ 308.476638] 0 [ 308.505015] ? __lock_acquire+0x7ec/0x4ec0 [ 308.508096] 0 [ 308.512324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.514101] 0 [ 308.518334] ? should_fail+0x22d/0xd01 [ 308.520109] 0 [ 308.525646] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.527422] Node 0 [ 308.531306] ? __lock_acquire+0x7ec/0x4ec0 [ 308.533082] DMA: [ 308.538181] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.540395] 1*4kB [ 308.544623] ? __lock_acquire+0x7ec/0x4ec0 [ 308.546659] (U) [ 308.551754] ? should_fail+0x22d/0xd01 [ 308.553885] 0*8kB [ 308.558110] ? print_usage_bug+0xc0/0xc0 [ 308.560063] 0*16kB [ 308.563951] ? mark_held_locks+0x130/0x130 [ 308.566076] 1*32kB [ 308.570128] ? mark_held_locks+0x130/0x130 [ 308.572341] (U) [ 308.576571] ? graph_lock+0x170/0x170 [ 308.578784] 2*64kB [ 308.583018] ? print_usage_bug+0xc0/0xc0 [ 308.584969] (U) [ 308.588774] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 308.590988] 1*128kB [ 308.595064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.597019] (U) [ 308.601768] ? check_preemption_disabled+0x48/0x200 [ 308.604075] 1*256kB [ 308.609607] ? check_preemption_disabled+0x48/0x200 [ 308.611566] (U) [ 308.616585] ? __lock_is_held+0xb5/0x140 [ 308.618878] 0*512kB [ 308.623893] __alloc_pages_nodemask+0xa80/0xde0 [ 308.625839] 1*1024kB [ 308.629894] ? graph_lock+0x170/0x170 [ 308.632189] (U) [ 308.636855] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 308.639244] 1*2048kB [ 308.643032] ? graph_lock+0x170/0x170 [ 308.643057] ? find_held_lock+0x36/0x1c0 [ 308.645033] (M) [ 308.650051] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.652433] 3*4096kB [ 308.656224] ? lock_downgrade+0x900/0x900 [ 308.660260] (M) [ 308.662241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.666884] = 15908kB [ 308.669293] cache_grow_begin+0x91/0x8c0 [ 308.673409] Node 0 [ 308.675378] ? do_raw_spin_unlock+0xa7/0x2f0 [ 308.680892] DMA32: [ 308.683308] fallback_alloc+0x203/0x2e0 [ 308.687341] 3*4kB [ 308.689574] ____cache_alloc_node+0x1c7/0x1e0 [ 308.693956] (M) [ 308.696190] kmem_cache_alloc_node+0xe3/0x730 [ 308.700136] 2*8kB [ 308.702292] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.706751] (M) [ 308.708747] __alloc_skb+0x119/0x770 [ 308.713218] 1*16kB [ 308.715379] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.719584] (M) [ 308.721557] ? skb_scrub_packet+0x490/0x490 [ 308.725246] 1*32kB [ 308.727476] ? lock_downgrade+0x900/0x900 [ 308.732724] (M) [ 308.734701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.739002] 3*64kB [ 308.741239] ? refcount_sub_and_test_checked+0x203/0x310 [ 308.745356] (UM) [ 308.747326] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 308.752836] 3*128kB [ 308.755069] ? addrconf_rs_timer+0x6f0/0x6f0 [ 308.760499] (M) [ 308.762570] ndisc_alloc_skb+0x144/0x340 [ 308.767985] 2*256kB [ 308.770314] ndisc_send_rs+0x331/0x6e0 [ 308.774696] (M) 3*512kB [ 308.776681] addrconf_rs_timer+0x3c0/0x6f0 [ 308.780717] (M) [ 308.783039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.786898] 4*1024kB [ 308.789570] call_timer_fn+0x272/0x920 [ 308.793767] (UM) [ 308.795739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.799942] 3*2048kB (UM) [ 308.802352] ? process_timeout+0x40/0x40 [ 308.806216] 3*4096kB [ 308.808271] ? find_held_lock+0x36/0x1c0 [ 308.812484] (M) [ 308.815325] ? __run_timers+0x7da/0xc70 [ 308.819360] = 25228kB [ 308.821799] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.825833] Node 0 [ 308.827806] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.831752] Normal: [ 308.834158] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.838626] 866*4kB [ 308.840855] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 308.845322] (ME) [ 308.847639] ? trace_hardirqs_on+0xbd/0x310 [ 308.851842] 469*8kB (UME) [ 308.854171] ? kasan_check_read+0x11/0x20 [ 308.858731] 197*16kB [ 308.860793] ? __run_timers+0x7da/0xc70 [ 308.865087] (UME) [ 308.867931] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.872054] 59*32kB [ 308.874457] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.878404] (UME) [ 308.880550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.885974] 18*64kB [ 308.888302] __run_timers+0x7e5/0xc70 [ 308.892511] (ME) [ 308.894662] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 308.898865] 3*128kB [ 308.901184] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.904955] (M) [ 308.907017] ? graph_lock+0x170/0x170 [ 308.912356] 1*256kB [ 308.914673] ? enqueue_hrtimer+0x1a5/0x560 [ 308.919662] (U) [ 308.921635] ? lock_release+0x970/0x970 [ 308.925412] 0*512kB [ 308.927726] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 308.931935] 0*1024kB [ 308.933912] ? find_held_lock+0x36/0x1c0 [ 308.937864] 0*2048kB [ 308.940183] ? graph_lock+0x170/0x170 [ 308.945340] 0*4096kB = 14048kB [ 308.947754] ? pvclock_read_flags+0x160/0x160 [ 308.951803] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 308.954202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.957981] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 308.961171] ? check_preemption_disabled+0x48/0x200 [ 308.965639] 412 total pagecache pages [ 308.974472] ? __lock_is_held+0xb5/0x140 [ 308.979997] 0 pages in swap cache [ 308.988575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.993568] Swap cache stats: add 0, delete 0, find 0/0 [ 308.997359] ? check_preemption_disabled+0x48/0x200 [ 309.001398] Free swap = 0kB [ 309.004847] run_timer_softirq+0x52/0xb0 [ 309.010351] Total swap = 0kB [ 309.015719] ? rcu_read_lock_sched_held+0x108/0x120 [ 309.020723] 1965979 pages RAM [ 309.023737] __do_softirq+0x30b/0xad8 [ 309.027770] 0 pages HighMem/MovableOnly [ 309.030787] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 309.035780] 343323 pages reserved [ 309.038877] ? pvclock_read_flags+0x160/0x160 [ 309.042650] 0 pages cma reserved [ 309.046616] ? lapic_next_event+0x5a/0x90 [ 309.051781] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.055142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.059707] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.062972] ? check_preemption_disabled+0x48/0x200 [ 309.067094] syz-fuzzer cpuset= [ 309.073578] ? check_preemption_disabled+0x48/0x200 [ 309.079095] / [ 309.089325] ? kvm_clock_read+0x18/0x30 [ 309.094315] mems_allowed=0 [ 309.097497] ? kvm_sched_clock_read+0x9/0x20 [ 309.115455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.121001] ? check_preemption_disabled+0x48/0x200 [ 309.126044] irq_exit+0x17f/0x1c0 [ 309.129506] smp_apic_timer_interrupt+0x1cb/0x760 [ 309.134370] ? smp_reschedule_interrupt+0x109/0x650 [ 309.139389] ? smp_call_function_single_interrupt+0x650/0x650 [ 309.145282] ? interrupt_entry+0xb5/0xf0 [ 309.149357] ? trace_hardirqs_off_caller+0xbb/0x300 [ 309.154377] ? trace_hardirqs_off_caller+0xbb/0x300 [ 309.159401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.164245] ? trace_hardirqs_off+0x300/0x300 [ 309.168747] ? trace_hardirqs_off+0x300/0x300 [ 309.173243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.178788] ? check_preemption_disabled+0x48/0x200 [ 309.183807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.189357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.194208] apic_timer_interrupt+0xf/0x20 [ 309.198440] [ 309.200683] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 309.205617] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 309.224534] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 309.232345] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 309.239617] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 309.246886] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 309.254154] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 309.261431] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 309.268751] skb_clone+0x1bb/0x500 [ 309.272300] ? skb_split+0x11e0/0x11e0 [ 309.276200] ? dev_forward_skb+0x4c/0x60 [ 309.280267] ? __bpf_redirect+0x54b/0xb20 [ 309.284427] ? __switch_to_asm+0x34/0x70 [ 309.288518] bpf_clone_redirect+0xb9/0x490 [ 309.292765] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 309.297788] ? __sched_text_start+0x8/0x8 [ 309.301945] ? lockdep_hardirqs_on+0x421/0x5c0 [ 309.306531] ? retint_kernel+0x2d/0x2d [ 309.310421] ? trace_hardirqs_on_caller+0xc0/0x300 [ 309.315357] ? find_held_lock+0x36/0x1c0 [ 309.319426] ? lock_acquire+0x1ed/0x520 [ 309.323400] ? bpf_test_run+0x32e/0x5a0 [ 309.327382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.332921] ? check_preemption_disabled+0x48/0x200 [ 309.337959] ? kasan_check_read+0x11/0x20 [ 309.342138] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.347418] ? rcu_bh_qs+0xc0/0xc0 [ 309.350965] ? preempt_schedule+0x4d/0x60 [ 309.355133] ? ___preempt_schedule+0x16/0x18 [ 309.359554] ? bpf_test_run+0x1c0/0x5a0 [ 309.363545] ? netlink_diag_dump+0x2a0/0x2a0 [ 309.367959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.373503] ? bpf_test_init.isra.9+0x70/0x100 [ 309.378094] ? bpf_prog_test_run_skb+0x634/0xb40 [ 309.382861] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 309.387704] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 309.393244] ? fput+0x130/0x1a0 [ 309.396530] ? __bpf_prog_get+0x9b/0x290 [ 309.400597] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 309.405440] ? bpf_prog_test_run+0x130/0x1a0 [ 309.409886] ? __x64_sys_bpf+0x3d8/0x510 [ 309.413951] ? bpf_prog_get+0x20/0x20 [ 309.417762] ? ksys_ioctl+0x81/0xd0 [ 309.421402] ? do_syscall_64+0x1b9/0x820 [ 309.425467] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 309.430838] ? syscall_return_slowpath+0x5e0/0x5e0 [ 309.435775] ? trace_hardirqs_off+0x300/0x300 [ 309.440282] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 309.445307] ? recalc_sigpending_tsk+0x180/0x180 [ 309.450073] ? kasan_check_write+0x14/0x20 [ 309.454336] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.459220] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 309.464605] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 309.464699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.471531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.471536] Call Trace: [ 309.471544] [ 309.471560] dump_stack+0x1c4/0x2b4 [ 309.471578] ? dump_stack_print_info.cold.2+0x52/0x52 [ 309.478161] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.487426] warn_alloc.cold.118+0xb7/0x1bd [ 309.489980] syz-executor0 cpuset= [ 309.492131] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.495731] syz0 [ 309.500919] ? lock_downgrade+0x900/0x900 [ 309.511384] mems_allowed=0 [ 309.515702] ? trace_hardirqs_off+0xb8/0x300 [ 309.537365] ? trace_hardirqs_off+0xb8/0x300 [ 309.541791] __alloc_pages_slowpath+0x2667/0x2d80 [ 309.546671] ? warn_alloc+0x120/0x120 [ 309.550480] ? trace_hardirqs_on+0x310/0x310 [ 309.554893] ? warn_alloc+0x120/0x120 [ 309.558714] ? print_usage_bug+0xc0/0xc0 [ 309.562782] ? warn_alloc+0x120/0x120 [ 309.566584] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 309.571608] ? print_usage_bug+0xc0/0xc0 [ 309.575676] ? __lock_acquire+0x7ec/0x4ec0 [ 309.579914] ? __lock_acquire+0x7ec/0x4ec0 [ 309.584152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.589696] ? should_fail+0x22d/0xd01 [ 309.593594] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.598697] ? __lock_acquire+0x7ec/0x4ec0 [ 309.602940] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.608044] ? __lock_acquire+0x7ec/0x4ec0 [ 309.612277] ? should_fail+0x22d/0xd01 [ 309.616164] ? print_usage_bug+0xc0/0xc0 [ 309.620247] ? mark_held_locks+0x130/0x130 [ 309.624518] ? mark_held_locks+0x130/0x130 [ 309.628770] ? graph_lock+0x170/0x170 [ 309.632593] ? print_usage_bug+0xc0/0xc0 [ 309.636662] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.641421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.646961] ? check_preemption_disabled+0x48/0x200 [ 309.651984] ? check_preemption_disabled+0x48/0x200 [ 309.657028] ? __lock_is_held+0xb5/0x140 [ 309.661104] __alloc_pages_nodemask+0xa80/0xde0 [ 309.665780] ? graph_lock+0x170/0x170 [ 309.669585] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 309.674599] ? graph_lock+0x170/0x170 [ 309.678413] ? find_held_lock+0x36/0x1c0 [ 309.682486] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.687159] ? lock_downgrade+0x900/0x900 [ 309.691315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.696858] cache_grow_begin+0x91/0x8c0 [ 309.700925] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.705349] fallback_alloc+0x203/0x2e0 [ 309.709334] ____cache_alloc_node+0x1c7/0x1e0 [ 309.713837] kmem_cache_alloc_node+0xe3/0x730 [ 309.718337] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.722587] __alloc_skb+0x119/0x770 [ 309.726306] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.731587] ? skb_scrub_packet+0x490/0x490 [ 309.735908] ? lock_downgrade+0x900/0x900 [ 309.740079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.745622] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.751072] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.756522] ? addrconf_rs_timer+0x6f0/0x6f0 [ 309.760960] ndisc_alloc_skb+0x144/0x340 [ 309.765038] ndisc_send_rs+0x331/0x6e0 [ 309.768932] addrconf_rs_timer+0x3c0/0x6f0 [ 309.773179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.777433] call_timer_fn+0x272/0x920 [ 309.781335] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.785574] ? process_timeout+0x40/0x40 [ 309.789636] ? find_held_lock+0x36/0x1c0 [ 309.793704] ? mark_held_locks+0xc7/0x130 [ 309.797862] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.802360] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.806865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.811114] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 309.815717] ? trace_hardirqs_on+0xbd/0x310 [ 309.820039] ? kasan_check_read+0x11/0x20 [ 309.824191] ? __run_timers+0x7da/0xc70 [ 309.828171] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.833859] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.838102] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.842340] __run_timers+0x7e5/0xc70 [ 309.846155] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 309.851523] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 309.856541] ? graph_lock+0x170/0x170 [ 309.860348] ? print_usage_bug+0xc0/0xc0 [ 309.864410] ? lock_release+0x970/0x970 [ 309.868385] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 309.873584] ? find_held_lock+0x36/0x1c0 [ 309.877653] ? graph_lock+0x170/0x170 [ 309.881457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.887002] ? check_preemption_disabled+0x48/0x200 [ 309.892042] ? __lock_is_held+0xb5/0x140 [ 309.896106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.901645] ? check_preemption_disabled+0x48/0x200 [ 309.906672] run_timer_softirq+0x52/0xb0 [ 309.910739] ? rcu_read_lock_sched_held+0x108/0x120 [ 309.915759] __do_softirq+0x30b/0xad8 [ 309.919581] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 309.924690] ? pvclock_read_flags+0x160/0x160 [ 309.929188] ? lapic_next_event+0x5a/0x90 [ 309.933339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.938875] ? check_preemption_disabled+0x48/0x200 [ 309.943892] ? check_preemption_disabled+0x48/0x200 [ 309.948918] ? kvm_clock_read+0x18/0x30 [ 309.952898] ? kvm_sched_clock_read+0x9/0x20 [ 309.957313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.963357] ? check_preemption_disabled+0x48/0x200 [ 309.968387] irq_exit+0x17f/0x1c0 [ 309.971847] smp_apic_timer_interrupt+0x1cb/0x760 [ 309.976693] ? smp_call_function_single_interrupt+0x650/0x650 [ 309.982581] ? interrupt_entry+0xb5/0xf0 [ 309.986647] ? trace_hardirqs_off_caller+0xbb/0x300 [ 309.991663] ? trace_hardirqs_off_caller+0xbb/0x300 [ 309.996684] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.001530] ? trace_hardirqs_off+0x300/0x300 [ 310.006028] ? trace_hardirqs_off+0x300/0x300 [ 310.010525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.016066] ? check_preemption_disabled+0x48/0x200 [ 310.021086] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.026633] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.031489] apic_timer_interrupt+0xf/0x20 [ 310.035720] [ 310.037961] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 310.043335] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 310.062234] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 310.069941] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 310.077213] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 310.084486] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 310.091755] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 310.099030] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 310.106317] ? page_evictable+0x35d/0x540 [ 310.110478] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.116024] page_evictable+0x36b/0x540 [ 310.120015] ? kswapd_stop+0x100/0x100 [ 310.123912] ? ___might_sleep+0x1ed/0x300 [ 310.128062] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.133514] ? arch_local_save_flags+0x40/0x40 [ 310.138101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.143640] ? check_preemption_disabled+0x48/0x200 [ 310.148668] shrink_active_list+0x845/0x1c20 [ 310.153079] ? free_unref_page_list+0xc0f/0x11e0 [ 310.157853] ? shrink_inactive_list+0x1c60/0x1c60 [ 310.162714] ? graph_lock+0x170/0x170 [ 310.166519] ? __page_frag_cache_drain+0x200/0x200 [ 310.171450] ? print_usage_bug+0xc0/0xc0 [ 310.175531] ? find_held_lock+0x36/0x1c0 [ 310.179596] ? graph_lock+0x170/0x170 [ 310.183398] ? mark_held_locks+0xc7/0x130 [ 310.187550] ? check_preemption_disabled+0x48/0x200 [ 310.192566] ? check_preemption_disabled+0x48/0x200 [ 310.197592] ? graph_lock+0x170/0x170 [ 310.201394] ? __lock_is_held+0xb5/0x140 [ 310.205460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.211005] ? check_preemption_disabled+0x48/0x200 [ 310.216041] ? __lock_is_held+0xb5/0x140 [ 310.220119] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 310.225160] ? inactive_list_is_low+0x305/0x880 [ 310.229838] ? lruvec_lru_size+0x450/0x450 [ 310.234074] ? kasan_check_read+0x11/0x20 [ 310.238234] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 310.243178] shrink_node_memcg+0x803/0x18e0 [ 310.247522] ? shrink_active_list+0x1c20/0x1c20 [ 310.252202] ? lockdep_hardirqs_on+0x421/0x5c0 [ 310.256794] ? trace_hardirqs_on+0xbd/0x310 [ 310.261121] ? vmpressure+0x294/0x310 [ 310.264924] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.270400] shrink_node+0x3bc/0x16b0 [ 310.274205] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 310.279512] ? shrink_node_memcg+0x18e0/0x18e0 [ 310.284097] ? lockdep_hardirqs_on+0x421/0x5c0 [ 310.288683] ? trace_hardirqs_on+0xbd/0x310 [ 310.293045] ? vmpressure+0x294/0x310 [ 310.296850] ? do_raw_spin_unlock+0xa7/0x2f0 [ 310.301261] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 310.305851] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.311420] ? __cpuset_node_allowed+0x19b/0x660 [ 310.316199] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 310.321935] ? vmpressure+0x1c9/0x310 [ 310.325788] do_try_to_free_pages+0x3e7/0x1290 [ 310.330392] ? shrink_node+0x16b0/0x16b0 [ 310.334453] ? __lock_is_held+0xb5/0x140 [ 310.338530] try_to_free_pages+0x4d0/0xb90 [ 310.342781] ? do_try_to_free_pages+0x1290/0x1290 [ 310.347624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.353180] ? lock_acquire+0x1ed/0x520 [ 310.357160] ? set_page_refcounted+0x280/0x280 [ 310.361783] ? lock_release+0x970/0x970 [ 310.365769] ? ___might_sleep+0x1ed/0x300 [ 310.369931] ? arch_local_save_flags+0x40/0x40 [ 310.374513] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 310.379547] ? __radix_tree_lookup+0x358/0x4c0 [ 310.384152] __alloc_pages_slowpath+0x993/0x2d80 [ 310.388932] ? kasan_check_read+0x11/0x20 [ 310.393083] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.398361] ? warn_alloc+0x120/0x120 [ 310.402166] ? __radix_tree_lookup+0x4c0/0x4c0 [ 310.406788] ? find_get_entry+0x2f2/0xc40 [ 310.410966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.416513] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 310.421446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.426987] ? should_fail+0x22d/0xd01 [ 310.430888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.436005] ? __lock_is_held+0xb5/0x140 [ 310.440068] ? graph_lock+0x170/0x170 [ 310.443874] ? graph_lock+0x170/0x170 [ 310.447692] ? __lock_is_held+0xb5/0x140 [ 310.451761] ? __lock_acquire+0x7ec/0x4ec0 [ 310.456063] ? ___might_sleep+0x1ed/0x300 [ 310.460213] ? lock_release+0x970/0x970 [ 310.464217] ? arch_local_save_flags+0x40/0x40 [ 310.468818] ? __might_sleep+0x95/0x190 [ 310.472817] __alloc_pages_nodemask+0xa80/0xde0 [ 310.477498] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 310.482519] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 310.488318] ? kasan_check_read+0x11/0x20 [ 310.492469] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.497752] ? graph_lock+0x170/0x170 [ 310.501562] ? print_usage_bug+0xc0/0xc0 [ 310.505630] ? graph_lock+0x170/0x170 [ 310.509429] ? graph_lock+0x170/0x170 [ 310.513235] ? __do_page_cache_readahead+0x7ce/0x980 [ 310.518348] ? find_held_lock+0x36/0x1c0 [ 310.522419] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 310.527962] alloc_pages_current+0x10c/0x210 [ 310.532381] ? lock_downgrade+0x900/0x900 [ 310.536535] __page_cache_alloc+0x38f/0x5b0 [ 310.540859] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 310.546654] ? kasan_check_read+0x11/0x20 [ 310.550813] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.556123] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 310.560798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.566342] ? check_preemption_disabled+0x48/0x200 [ 310.571381] filemap_fault+0x1594/0x25f0 [ 310.575460] ? __lock_page_or_retry+0xa00/0xa00 [ 310.580131] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 310.585926] ? kasan_check_read+0x11/0x20 [ 310.590075] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.595356] ? rcu_bh_qs+0xc0/0xc0 [ 310.598901] ? print_usage_bug+0xc0/0xc0 [ 310.602971] ? filemap_map_pages+0xdea/0x1980 [ 310.607514] ? print_usage_bug+0xc0/0xc0 [ 310.611587] ? find_get_pages_range_tag+0x1320/0x1320 [ 310.616781] ? print_usage_bug+0xc0/0xc0 [ 310.620847] ? __lock_acquire+0x7ec/0x4ec0 [ 310.625090] ? graph_lock+0x170/0x170 [ 310.628894] ? __sigqueue_free.part.27+0x7d/0xa0 [ 310.633688] ? __lock_acquire+0x7ec/0x4ec0 [ 310.637935] ? lock_acquire+0x1ed/0x520 [ 310.641907] ? ext4_filemap_fault+0x7a/0xad [ 310.646237] ? lock_release+0x970/0x970 [ 310.650213] ? arch_local_save_flags+0x40/0x40 [ 310.654816] ? mark_held_locks+0x130/0x130 [ 310.659069] ? down_read+0xb0/0x1d0 [ 310.662697] ? ext4_filemap_fault+0x7a/0xad [ 310.667028] ? __down_interruptible+0x700/0x700 [ 310.671716] ? graph_lock+0x170/0x170 [ 310.675553] ? __sigqueue_free.part.27+0x7d/0xa0 [ 310.680323] ext4_filemap_fault+0x82/0xad [ 310.684480] __do_fault+0x100/0x6b0 [ 310.688135] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.693416] ? print_bad_pte+0x6c0/0x6c0 [ 310.697483] ? pmd_val+0x88/0x100 [ 310.700937] ? add_mm_counter_fast+0xd0/0xd0 [ 310.705347] ? pmd_val+0x88/0x100 [ 310.708808] ? add_mm_counter_fast+0xd0/0xd0 [ 310.713236] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.718785] __handle_mm_fault+0x3709/0x53e0 [ 310.723212] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 310.728074] ? graph_lock+0x170/0x170 [ 310.731880] ? print_usage_bug+0xc0/0xc0 [ 310.735961] ? graph_lock+0x170/0x170 [ 310.739772] ? graph_lock+0x170/0x170 [ 310.743600] ? handle_mm_fault+0x42a/0xc70 [ 310.747888] ? lock_downgrade+0x900/0x900 [ 310.752038] ? check_preemption_disabled+0x48/0x200 [ 310.757066] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 310.762876] ? kasan_check_read+0x11/0x20 [ 310.767055] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.772370] ? rcu_bh_qs+0xc0/0xc0 [ 310.775928] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.781380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.786917] ? check_preemption_disabled+0x48/0x200 [ 310.791970] handle_mm_fault+0x54f/0xc70 [ 310.796045] ? __handle_mm_fault+0x53e0/0x53e0 [ 310.800635] ? find_vma+0x34/0x190 [ 310.804187] __do_page_fault+0x67d/0xed0 [ 310.808258] ? mm_fault_error+0x380/0x380 [ 310.812418] ? syscall_slow_exit_work+0x520/0x520 [ 310.817282] do_page_fault+0xf2/0x7e0 [ 310.821086] ? vmalloc_sync_all+0x30/0x30 [ 310.825242] ? error_entry+0x70/0xd0 [ 310.828971] ? trace_hardirqs_off_caller+0xbb/0x300 [ 310.834008] ? trace_hardirqs_on_caller+0xc0/0x300 [ 310.838939] ? syscall_return_slowpath+0x5e0/0x5e0 [ 310.843869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.848726] ? trace_hardirqs_off+0x300/0x300 [ 310.853221] ? trace_hardirqs_off_caller+0x300/0x300 [ 310.858343] ? prepare_exit_to_usermode+0x291/0x3b0 [ 310.863364] ? page_fault+0x8/0x30 [ 310.866918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.871769] ? page_fault+0x8/0x30 [ 310.875317] page_fault+0x1e/0x30 [ 310.878780] RIP: 0033:0x45db60 [ 310.881998] Code: Bad RIP value. [ 310.885378] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 310.890745] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 310.898023] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 310.905289] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 310.912556] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 310.919825] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 310.927126] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 310.927132] warn_alloc_show_mem: 1 callbacks suppressed [ 310.927140] Mem-Info: [ 310.934329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.939695] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 310.939695] active_file:15 inactive_file:16 isolated_file:2 [ 310.939695] unevictable:0 dirty:0 writeback:0 unstable:0 [ 310.939695] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 310.939695] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 310.939695] free:13788 free_pcp:262 free_cma:0 [ 310.942065] Call Trace: [ 310.951461] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 310.984314] [ 310.986885] Node 0 [ 311.014553] dump_stack+0x1c4/0x2b4 [ 311.016699] 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 [ 311.018906] ? dump_stack_print_info.cold.2+0x52/0x52 [ 311.022500] lowmem_reserve[]: 0 [ 311.048027] warn_alloc.cold.118+0xb7/0x1bd [ 311.053181] 2815 [ 311.056457] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 311.060751] 6318 [ 311.062810] ? lock_downgrade+0x900/0x900 [ 311.067624] 6318 [ 311.069685] ? trace_hardirqs_off+0xb8/0x300 [ 311.075865] ? trace_hardirqs_off+0xb8/0x300 [ 311.080245] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 311.084681] __alloc_pages_slowpath+0x2667/0x2d80 [ 311.084722] ? warn_alloc+0x120/0x120 [ 311.112263] lowmem_reserve[]: [ 311.117115] ? trace_hardirqs_on+0x310/0x310 [ 311.120907] 0 [ 311.124016] ? warn_alloc+0x120/0x120 [ 311.128405] 0 [ 311.130203] ? print_usage_bug+0xc0/0xc0 [ 311.133972] 3503 3503 [ 311.135785] ? warn_alloc+0x120/0x120 [ 311.142321] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 311.146098] Node 0 [ 311.151105] ? print_usage_bug+0xc0/0xc0 [ 311.151137] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 311.151144] lowmem_reserve[]: [ 311.153377] ? __lock_acquire+0x7ec/0x4ec0 [ 311.157416] 0 [ 311.185776] ? __lock_acquire+0x7ec/0x4ec0 [ 311.188864] 0 [ 311.193095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.194873] 0 [ 311.199104] ? should_fail+0x22d/0xd01 [ 311.200893] 0 [ 311.206425] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.212079] ? __lock_acquire+0x7ec/0x4ec0 [ 311.213864] Node 0 [ 311.218968] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.223175] DMA: [ 311.225408] ? __lock_acquire+0x7ec/0x4ec0 [ 311.230486] 1*4kB [ 311.232545] ? should_fail+0x22d/0xd01 [ 311.236757] (U) [ 311.238902] ? print_usage_bug+0xc0/0xc0 [ 311.242767] 0*8kB [ 311.244741] ? mark_held_locks+0x130/0x130 [ 311.248773] 0*16kB [ 311.250915] ? mark_held_locks+0x130/0x130 [ 311.255125] 1*32kB [ 311.257359] ? graph_lock+0x170/0x170 [ 311.261567] (U) [ 311.263797] ? print_usage_bug+0xc0/0xc0 [ 311.267573] 2*64kB [ 311.269551] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 311.273585] (U) [ 311.275818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.280547] 1*128kB [ 311.282514] ? check_preemption_disabled+0x48/0x200 [ 311.288028] (U) [ 311.290344] ? check_preemption_disabled+0x48/0x200 [ 311.295340] 1*256kB [ 311.297319] ? __lock_is_held+0xb5/0x140 [ 311.302302] (U) [ 311.304622] __alloc_pages_nodemask+0xa80/0xde0 [ 311.308656] 0*512kB [ 311.310624] ? graph_lock+0x170/0x170 [ 311.315274] 1*1024kB [ 311.317595] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 311.321368] (U) [ 311.323771] ? graph_lock+0x170/0x170 [ 311.328788] 1*2048kB [ 311.330765] ? find_held_lock+0x36/0x1c0 [ 311.334531] (M) [ 311.336942] ? ____cache_alloc_node+0x1c7/0x1e0 [ 311.340973] 3*4096kB [ 311.342965] ? lock_downgrade+0x900/0x900 [ 311.347610] (M) [ 311.350028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.354145] = 15908kB [ 311.354154] Node 0 [ 311.356124] cache_grow_begin+0x91/0x8c0 [ 311.361627] DMA32: 3*4kB [ 311.364045] ? do_raw_spin_unlock+0xa7/0x2f0 [ 311.366273] (M) [ 311.370334] fallback_alloc+0x203/0x2e0 [ 311.373099] 2*8kB [ 311.377501] ____cache_alloc_node+0x1c7/0x1e0 [ 311.379449] (M) [ 311.383418] kmem_cache_alloc_node+0xe3/0x730 [ 311.385542] 1*16kB [ 311.390039] ? ipv6_get_ifaddr+0x42e/0x620 [ 311.392018] (M) 1*32kB [ 311.396526] __alloc_skb+0x119/0x770 [ 311.398742] (M) [ 311.402972] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.405527] 3*64kB [ 311.409236] ? skb_scrub_packet+0x490/0x490 [ 311.411187] (UM) [ 311.416459] ? lock_downgrade+0x900/0x900 [ 311.418673] 3*128kB [ 311.423009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.425047] (M) [ 311.429195] ? refcount_sub_and_test_checked+0x203/0x310 [ 311.431489] 2*256kB [ 311.437029] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 311.438980] (M) [ 311.444438] ? addrconf_rs_timer+0x6f0/0x6f0 [ 311.446739] 3*512kB [ 311.452189] ndisc_alloc_skb+0x144/0x340 [ 311.454133] (M) [ 311.458539] ndisc_send_rs+0x331/0x6e0 [ 311.460839] 4*1024kB [ 311.464892] addrconf_rs_timer+0x3c0/0x6f0 [ 311.466844] (UM) [ 311.470755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.473149] 3*2048kB (UM) [ 311.477398] call_timer_fn+0x272/0x920 [ 311.479426] 3*4096kB [ 311.483650] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.486469] (M) [ 311.490353] ? process_timeout+0x40/0x40 [ 311.492738] = 25228kB [ 311.496962] ? find_held_lock+0x36/0x1c0 [ 311.498916] Node 0 [ 311.502973] ? __run_timers+0x7da/0xc70 [ 311.505359] Normal: [ 311.509415] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.511624] 866*4kB [ 311.515588] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.517890] (ME) [ 311.522378] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.524676] 469*8kB [ 311.529164] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 311.531202] (UME) [ 311.535429] ? trace_hardirqs_on+0xbd/0x310 [ 311.537730] 197*16kB [ 311.542306] ? kasan_check_read+0x11/0x20 [ 311.544436] (UME) [ 311.548755] ? __run_timers+0x7da/0xc70 [ 311.551140] 59*32kB [ 311.555291] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.557415] (UME) [ 311.561382] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.563679] 18*64kB (ME) [ 311.569132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.571255] 3*128kB [ 311.575484] __run_timers+0x7e5/0xc70 [ 311.578218] (M) [ 311.582454] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 311.584745] 1*256kB [ 311.588538] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 311.590486] (U) [ 311.595841] ? graph_lock+0x170/0x170 [ 311.598142] 0*512kB [ 311.603152] ? enqueue_hrtimer+0x1a5/0x560 [ 311.605121] 0*1024kB [ 311.608914] ? lock_release+0x970/0x970 [ 311.611216] 0*2048kB [ 311.615446] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 311.617835] 0*4096kB [ 311.621807] ? find_held_lock+0x36/0x1c0 [ 311.624195] = 14048kB [ 311.629379] ? graph_lock+0x170/0x170 [ 311.631779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 311.635824] ? pvclock_read_flags+0x160/0x160 [ 311.638214] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 311.642012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.650823] 412 total pagecache pages [ 311.655309] ? check_preemption_disabled+0x48/0x200 [ 311.663901] 0 pages in swap cache [ 311.669432] ? __lock_is_held+0xb5/0x140 [ 311.673219] Swap cache stats: add 0, delete 0, find 0/0 [ 311.678224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.681653] Free swap = 0kB [ 311.685704] ? check_preemption_disabled+0x48/0x200 [ 311.691045] Total swap = 0kB [ 311.696595] run_timer_softirq+0x52/0xb0 [ 311.699586] 1965979 pages RAM [ 311.704599] ? rcu_read_lock_sched_held+0x108/0x120 [ 311.707591] 0 pages HighMem/MovableOnly [ 311.711651] __do_softirq+0x30b/0xad8 [ 311.714730] 343323 pages reserved [ 311.719745] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 311.723689] 0 pages cma reserved [ 311.727496] ? pvclock_read_flags+0x160/0x160 [ 311.731021] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 311.736019] ? lapic_next_event+0x5a/0x90 [ 311.739585] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 311.743859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.750337] syz-fuzzer cpuset= [ 311.754478] ? check_preemption_disabled+0x48/0x200 [ 311.764676] / [ 311.770203] ? check_preemption_disabled+0x48/0x200 [ 311.770224] ? kvm_clock_read+0x18/0x30 [ 311.773392] mems_allowed=0 [ 311.778401] ? kvm_sched_clock_read+0x9/0x20 [ 311.796477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.802022] ? check_preemption_disabled+0x48/0x200 [ 311.807051] irq_exit+0x17f/0x1c0 [ 311.810514] smp_apic_timer_interrupt+0x1cb/0x760 [ 311.815361] ? smp_reschedule_interrupt+0x109/0x650 [ 311.820383] ? smp_call_function_single_interrupt+0x650/0x650 [ 311.826267] ? interrupt_entry+0xb5/0xf0 [ 311.830842] ? trace_hardirqs_off_caller+0xbb/0x300 [ 311.835861] ? trace_hardirqs_off_caller+0xbb/0x300 [ 311.840879] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.845725] ? trace_hardirqs_off+0x300/0x300 [ 311.850221] ? trace_hardirqs_off+0x300/0x300 [ 311.854719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.860257] ? check_preemption_disabled+0x48/0x200 [ 311.865285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.870836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.875692] apic_timer_interrupt+0xf/0x20 [ 311.879924] [ 311.882166] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 311.887099] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 311.906009] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 311.913721] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 311.920999] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 311.928273] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 311.935547] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 311.942817] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 311.950149] skb_clone+0x1bb/0x500 [ 311.953697] ? skb_split+0x11e0/0x11e0 [ 311.957609] ? dev_forward_skb+0x4c/0x60 [ 311.961909] ? __bpf_redirect+0x54b/0xb20 [ 311.966065] ? __switch_to_asm+0x34/0x70 [ 311.970142] bpf_clone_redirect+0xb9/0x490 [ 311.974392] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 311.979426] ? __sched_text_start+0x8/0x8 [ 311.983584] ? lockdep_hardirqs_on+0x421/0x5c0 [ 311.988172] ? retint_kernel+0x2d/0x2d [ 311.992062] ? trace_hardirqs_on_caller+0xc0/0x300 [ 311.997010] ? find_held_lock+0x36/0x1c0 [ 312.001081] ? lock_acquire+0x1ed/0x520 [ 312.005061] ? bpf_test_run+0x32e/0x5a0 [ 312.009041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.014578] ? check_preemption_disabled+0x48/0x200 [ 312.019601] ? kasan_check_read+0x11/0x20 [ 312.023756] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.029040] ? rcu_bh_qs+0xc0/0xc0 [ 312.032592] ? preempt_schedule+0x4d/0x60 [ 312.036744] ? ___preempt_schedule+0x16/0x18 [ 312.041164] ? bpf_test_run+0x1c0/0x5a0 [ 312.045152] ? netlink_diag_dump+0x2a0/0x2a0 [ 312.049566] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.055106] ? bpf_test_init.isra.9+0x70/0x100 [ 312.059698] ? bpf_prog_test_run_skb+0x634/0xb40 [ 312.064462] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 312.069311] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.074853] ? fput+0x130/0x1a0 [ 312.078135] ? __bpf_prog_get+0x9b/0x290 [ 312.082205] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 312.087051] ? bpf_prog_test_run+0x130/0x1a0 [ 312.091464] ? __x64_sys_bpf+0x3d8/0x510 [ 312.095530] ? bpf_prog_get+0x20/0x20 [ 312.099345] ? ksys_ioctl+0x81/0xd0 [ 312.103008] ? do_syscall_64+0x1b9/0x820 [ 312.107081] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 312.112451] ? syscall_return_slowpath+0x5e0/0x5e0 [ 312.117386] ? trace_hardirqs_off+0x300/0x300 [ 312.121884] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 312.126903] ? recalc_sigpending_tsk+0x180/0x180 [ 312.131664] ? kasan_check_write+0x14/0x20 [ 312.135909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.140764] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 312.146148] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 312.146238] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 312.153084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.153089] Call Trace: [ 312.153097] [ 312.153117] dump_stack+0x1c4/0x2b4 [ 312.153133] ? dump_stack_print_info.cold.2+0x52/0x52 [ 312.153159] warn_alloc.cold.118+0xb7/0x1bd [ 312.159732] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.169071] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 312.171632] syz-executor0 cpuset= [ 312.173787] ? lock_downgrade+0x900/0x900 [ 312.177381] syz0 [ 312.182566] ? trace_hardirqs_off+0xb8/0x300 [ 312.186861] mems_allowed=0 [ 312.197340] ? trace_hardirqs_off+0xb8/0x300 [ 312.223412] __alloc_pages_slowpath+0x2667/0x2d80 [ 312.228290] ? warn_alloc+0x120/0x120 [ 312.232099] ? warn_alloc+0x120/0x120 [ 312.235911] ? print_usage_bug+0xc0/0xc0 [ 312.239975] ? warn_alloc+0x120/0x120 [ 312.243793] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 312.248809] ? print_usage_bug+0xc0/0xc0 [ 312.252872] ? __lock_acquire+0x7ec/0x4ec0 [ 312.257109] ? __lock_acquire+0x7ec/0x4ec0 [ 312.261353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.266892] ? should_fail+0x22d/0xd01 [ 312.270784] ? __lock_acquire+0x7ec/0x4ec0 [ 312.275029] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.280134] ? __lock_acquire+0x7ec/0x4ec0 [ 312.284379] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.289482] ? __lock_acquire+0x7ec/0x4ec0 [ 312.293719] ? should_fail+0x22d/0xd01 [ 312.297618] ? mark_held_locks+0x130/0x130 [ 312.301859] ? mark_held_locks+0x130/0x130 [ 312.306106] ? graph_lock+0x170/0x170 [ 312.309907] ? print_usage_bug+0xc0/0xc0 [ 312.313969] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 312.318749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.324296] ? check_preemption_disabled+0x48/0x200 [ 312.329314] ? check_preemption_disabled+0x48/0x200 [ 312.334346] ? __lock_is_held+0xb5/0x140 [ 312.338452] __alloc_pages_nodemask+0xa80/0xde0 [ 312.343134] ? graph_lock+0x170/0x170 [ 312.346945] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 312.351968] ? graph_lock+0x170/0x170 [ 312.355803] ? find_held_lock+0x36/0x1c0 [ 312.359877] ? ____cache_alloc_node+0x1c7/0x1e0 [ 312.364549] ? lock_downgrade+0x900/0x900 [ 312.368710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.374274] cache_grow_begin+0x91/0x8c0 [ 312.378340] ? do_raw_spin_unlock+0xa7/0x2f0 [ 312.382760] fallback_alloc+0x203/0x2e0 [ 312.386747] ____cache_alloc_node+0x1c7/0x1e0 [ 312.391252] kmem_cache_alloc_node+0xe3/0x730 [ 312.395768] ? ipv6_get_ifaddr+0x42e/0x620 [ 312.400029] __alloc_skb+0x119/0x770 [ 312.403747] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.409066] ? skb_scrub_packet+0x490/0x490 [ 312.413392] ? lock_downgrade+0x900/0x900 [ 312.417552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.423097] ? refcount_sub_and_test_checked+0x203/0x310 [ 312.428557] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 312.434020] ? addrconf_rs_timer+0x6f0/0x6f0 [ 312.438447] ndisc_alloc_skb+0x144/0x340 [ 312.442516] ndisc_send_rs+0x331/0x6e0 [ 312.446412] addrconf_rs_timer+0x3c0/0x6f0 [ 312.450654] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.454903] call_timer_fn+0x272/0x920 [ 312.458798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.463040] ? process_timeout+0x40/0x40 [ 312.467105] ? find_held_lock+0x36/0x1c0 [ 312.471177] ? mark_held_locks+0xc7/0x130 [ 312.475333] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.479828] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.484327] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.488568] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 312.493156] ? trace_hardirqs_on+0xbd/0x310 [ 312.497477] ? kasan_check_read+0x11/0x20 [ 312.501627] ? __run_timers+0x7da/0xc70 [ 312.505602] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.511070] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.515306] __run_timers+0x7e5/0xc70 [ 312.519121] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 312.524492] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 312.529513] ? graph_lock+0x170/0x170 [ 312.533329] ? print_usage_bug+0xc0/0xc0 [ 312.537394] ? lock_release+0x970/0x970 [ 312.541374] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 312.546570] ? find_held_lock+0x36/0x1c0 [ 312.550636] ? graph_lock+0x170/0x170 [ 312.554444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.559984] ? check_preemption_disabled+0x48/0x200 [ 312.565030] ? __lock_is_held+0xb5/0x140 [ 312.569099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.574636] ? check_preemption_disabled+0x48/0x200 [ 312.579664] run_timer_softirq+0x52/0xb0 [ 312.583730] ? rcu_read_lock_sched_held+0x108/0x120 [ 312.588752] __do_softirq+0x30b/0xad8 [ 312.592571] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 312.597683] ? pvclock_read_flags+0x160/0x160 [ 312.602185] ? lapic_next_event+0x5a/0x90 [ 312.606336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.611872] ? check_preemption_disabled+0x48/0x200 [ 312.616887] ? check_preemption_disabled+0x48/0x200 [ 312.621913] ? kvm_clock_read+0x18/0x30 [ 312.625888] ? kvm_sched_clock_read+0x9/0x20 [ 312.630299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.635841] ? check_preemption_disabled+0x48/0x200 [ 312.640871] irq_exit+0x17f/0x1c0 [ 312.644328] smp_apic_timer_interrupt+0x1cb/0x760 [ 312.649181] ? smp_call_function_single_interrupt+0x650/0x650 [ 312.655070] ? interrupt_entry+0xb5/0xf0 [ 312.659136] ? trace_hardirqs_off_caller+0xbb/0x300 [ 312.664155] ? trace_hardirqs_off_caller+0xbb/0x300 [ 312.669180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.674034] ? trace_hardirqs_off+0x300/0x300 [ 312.678530] ? trace_hardirqs_off+0x300/0x300 [ 312.683046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.688599] ? check_preemption_disabled+0x48/0x200 [ 312.693636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.699193] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.704057] apic_timer_interrupt+0xf/0x20 [ 312.708290] [ 312.710534] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 312.715906] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 312.734813] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 312.742525] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 312.749798] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 312.757069] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 312.764337] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 312.771606] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 312.778901] ? page_evictable+0x35d/0x540 [ 312.783064] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.788702] page_evictable+0x36b/0x540 [ 312.792700] ? kswapd_stop+0x100/0x100 [ 312.796595] ? ___might_sleep+0x1ed/0x300 [ 312.800744] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.806204] ? arch_local_save_flags+0x40/0x40 [ 312.810798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.816341] ? check_preemption_disabled+0x48/0x200 [ 312.821367] shrink_active_list+0x845/0x1c20 [ 312.825823] ? free_unref_page_list+0xc0f/0x11e0 [ 312.830600] ? shrink_inactive_list+0x1c60/0x1c60 [ 312.835461] ? graph_lock+0x170/0x170 [ 312.839263] ? __page_frag_cache_drain+0x200/0x200 [ 312.844192] ? print_usage_bug+0xc0/0xc0 [ 312.848272] ? find_held_lock+0x36/0x1c0 [ 312.852341] ? graph_lock+0x170/0x170 [ 312.856145] ? mark_held_locks+0xc7/0x130 [ 312.860299] ? check_preemption_disabled+0x48/0x200 [ 312.865314] ? check_preemption_disabled+0x48/0x200 [ 312.870340] ? graph_lock+0x170/0x170 [ 312.874142] ? __lock_is_held+0xb5/0x140 [ 312.878211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.883746] ? check_preemption_disabled+0x48/0x200 [ 312.888809] ? __lock_is_held+0xb5/0x140 [ 312.892890] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 312.897912] ? inactive_list_is_low+0x305/0x880 [ 312.902593] ? lruvec_lru_size+0x450/0x450 [ 312.906826] ? kasan_check_read+0x11/0x20 [ 312.910990] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 312.915946] shrink_node_memcg+0x803/0x18e0 [ 312.920310] ? shrink_active_list+0x1c20/0x1c20 [ 312.925000] ? lockdep_hardirqs_on+0x421/0x5c0 [ 312.929588] ? trace_hardirqs_on+0xbd/0x310 [ 312.933913] ? vmpressure+0x294/0x310 [ 312.937750] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.943230] shrink_node+0x3bc/0x16b0 [ 312.947035] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 312.952342] ? shrink_node_memcg+0x18e0/0x18e0 [ 312.956927] ? lockdep_hardirqs_on+0x421/0x5c0 [ 312.961511] ? trace_hardirqs_on+0xbd/0x310 [ 312.965842] ? vmpressure+0x294/0x310 [ 312.969654] ? do_raw_spin_unlock+0xa7/0x2f0 [ 312.974071] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 312.978668] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.984211] ? __cpuset_node_allowed+0x19b/0x660 [ 312.988974] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 312.994699] ? vmpressure+0x1c9/0x310 [ 312.998513] do_try_to_free_pages+0x3e7/0x1290 [ 313.003117] ? shrink_node+0x16b0/0x16b0 [ 313.007187] ? __lock_is_held+0xb5/0x140 [ 313.011263] try_to_free_pages+0x4d0/0xb90 [ 313.015507] ? do_try_to_free_pages+0x1290/0x1290 [ 313.020351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.025930] ? lock_acquire+0x1ed/0x520 [ 313.029910] ? set_page_refcounted+0x280/0x280 [ 313.034499] ? lock_release+0x970/0x970 [ 313.038483] ? ___might_sleep+0x1ed/0x300 [ 313.042636] ? arch_local_save_flags+0x40/0x40 [ 313.047219] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 313.052243] ? __radix_tree_lookup+0x358/0x4c0 [ 313.056843] __alloc_pages_slowpath+0x993/0x2d80 [ 313.061628] ? kasan_check_read+0x11/0x20 [ 313.065821] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.071108] ? warn_alloc+0x120/0x120 [ 313.074913] ? __radix_tree_lookup+0x4c0/0x4c0 [ 313.079519] ? find_get_entry+0x2f2/0xc40 [ 313.083688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.089234] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 313.094165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.099703] ? should_fail+0x22d/0xd01 [ 313.103600] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.108707] ? __lock_is_held+0xb5/0x140 [ 313.112771] ? graph_lock+0x170/0x170 [ 313.116578] ? graph_lock+0x170/0x170 [ 313.120402] ? __lock_is_held+0xb5/0x140 [ 313.124474] ? __lock_acquire+0x7ec/0x4ec0 [ 313.128718] ? ___might_sleep+0x1ed/0x300 [ 313.132869] ? lock_release+0x970/0x970 [ 313.136847] ? arch_local_save_flags+0x40/0x40 [ 313.141446] ? __might_sleep+0x95/0x190 [ 313.145432] __alloc_pages_nodemask+0xa80/0xde0 [ 313.150117] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 313.155144] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 313.160939] ? kasan_check_read+0x11/0x20 [ 313.165092] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.170375] ? graph_lock+0x170/0x170 [ 313.174177] ? print_usage_bug+0xc0/0xc0 [ 313.178247] ? graph_lock+0x170/0x170 [ 313.182049] ? graph_lock+0x170/0x170 [ 313.185854] ? __do_page_cache_readahead+0x7ce/0x980 [ 313.190968] ? find_held_lock+0x36/0x1c0 [ 313.195044] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 313.200604] alloc_pages_current+0x10c/0x210 [ 313.205020] ? lock_downgrade+0x900/0x900 [ 313.209175] __page_cache_alloc+0x38f/0x5b0 [ 313.213603] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 313.219401] ? kasan_check_read+0x11/0x20 [ 313.223550] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.228836] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 313.233509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.239051] ? check_preemption_disabled+0x48/0x200 [ 313.244078] filemap_fault+0x1594/0x25f0 [ 313.248160] ? __lock_page_or_retry+0xa00/0xa00 [ 313.252833] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 313.258634] ? kasan_check_read+0x11/0x20 [ 313.262792] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.268075] ? rcu_bh_qs+0xc0/0xc0 [ 313.271622] ? print_usage_bug+0xc0/0xc0 [ 313.275692] ? filemap_map_pages+0xdea/0x1980 [ 313.280194] ? print_usage_bug+0xc0/0xc0 [ 313.284266] ? find_get_pages_range_tag+0x1320/0x1320 [ 313.289461] ? print_usage_bug+0xc0/0xc0 [ 313.293529] ? __lock_acquire+0x7ec/0x4ec0 [ 313.297788] ? graph_lock+0x170/0x170 [ 313.301589] ? __sigqueue_free.part.27+0x7d/0xa0 [ 313.306349] ? __lock_acquire+0x7ec/0x4ec0 [ 313.310601] ? lock_acquire+0x1ed/0x520 [ 313.314579] ? ext4_filemap_fault+0x7a/0xad [ 313.318907] ? lock_release+0x970/0x970 [ 313.322883] ? arch_local_save_flags+0x40/0x40 [ 313.327468] ? mark_held_locks+0x130/0x130 [ 313.331747] ? down_read+0xb0/0x1d0 [ 313.335378] ? ext4_filemap_fault+0x7a/0xad [ 313.339701] ? __down_interruptible+0x700/0x700 [ 313.344376] ? graph_lock+0x170/0x170 [ 313.348183] ? __sigqueue_free.part.27+0x7d/0xa0 [ 313.352952] ext4_filemap_fault+0x82/0xad [ 313.357106] __do_fault+0x100/0x6b0 [ 313.360742] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.366032] ? print_bad_pte+0x6c0/0x6c0 [ 313.370105] ? pmd_val+0x88/0x100 [ 313.373563] ? add_mm_counter_fast+0xd0/0xd0 [ 313.377974] ? pmd_val+0x88/0x100 [ 313.381441] ? add_mm_counter_fast+0xd0/0xd0 [ 313.385856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.391400] __handle_mm_fault+0x3709/0x53e0 [ 313.395846] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 313.400696] ? graph_lock+0x170/0x170 [ 313.404520] ? print_usage_bug+0xc0/0xc0 [ 313.408589] ? graph_lock+0x170/0x170 [ 313.412391] ? graph_lock+0x170/0x170 [ 313.416222] ? handle_mm_fault+0x42a/0xc70 [ 313.420466] ? lock_downgrade+0x900/0x900 [ 313.424616] ? check_preemption_disabled+0x48/0x200 [ 313.429644] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 313.435447] ? kasan_check_read+0x11/0x20 [ 313.439602] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.444897] ? rcu_bh_qs+0xc0/0xc0 [ 313.448453] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.453911] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.459449] ? check_preemption_disabled+0x48/0x200 [ 313.464480] handle_mm_fault+0x54f/0xc70 [ 313.468552] ? __handle_mm_fault+0x53e0/0x53e0 [ 313.473141] ? find_vma+0x34/0x190 [ 313.476695] __do_page_fault+0x67d/0xed0 [ 313.480766] ? mm_fault_error+0x380/0x380 [ 313.484926] ? syscall_slow_exit_work+0x520/0x520 [ 313.489785] do_page_fault+0xf2/0x7e0 [ 313.493601] ? vmalloc_sync_all+0x30/0x30 [ 313.497755] ? error_entry+0x70/0xd0 [ 313.501479] ? trace_hardirqs_off_caller+0xbb/0x300 [ 313.506496] ? trace_hardirqs_on_caller+0xc0/0x300 [ 313.511428] ? syscall_return_slowpath+0x5e0/0x5e0 [ 313.516357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.521204] ? trace_hardirqs_off+0x300/0x300 [ 313.525701] ? trace_hardirqs_off_caller+0x300/0x300 [ 313.530813] ? prepare_exit_to_usermode+0x291/0x3b0 [ 313.535833] ? page_fault+0x8/0x30 [ 313.539378] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.544228] ? page_fault+0x8/0x30 [ 313.547774] page_fault+0x1e/0x30 [ 313.551235] RIP: 0033:0x45db60 [ 313.554434] Code: Bad RIP value. [ 313.557804] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 313.563170] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 313.570438] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 313.577706] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 313.584977] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 313.592256] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 313.599556] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 313.599562] warn_alloc_show_mem: 1 callbacks suppressed [ 313.599570] Mem-Info: [ 313.606753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.612119] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 313.612119] active_file:15 inactive_file:16 isolated_file:2 [ 313.612119] unevictable:0 dirty:0 writeback:0 unstable:0 [ 313.612119] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 313.612119] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 313.612119] free:13788 free_pcp:262 free_cma:0 [ 313.614493] Call Trace: [ 313.623887] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 313.656736] [ 313.659306] Node 0 [ 313.686975] dump_stack+0x1c4/0x2b4 [ 313.689118] 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 [ 313.691321] ? dump_stack_print_info.cold.2+0x52/0x52 [ 313.694914] lowmem_reserve[]: 0 [ 313.720433] warn_alloc.cold.118+0xb7/0x1bd [ 313.725589] 2815 [ 313.728860] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 313.733152] 6318 [ 313.735213] ? lock_downgrade+0x900/0x900 [ 313.740022] 6318 [ 313.742093] ? trace_hardirqs_off+0xb8/0x300 [ 313.746211] Node 0 [ 313.748274] ? trace_hardirqs_off+0xb8/0x300 [ 313.752680] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 313.754890] __alloc_pages_slowpath+0x2667/0x2d80 [ 313.759266] lowmem_reserve[]: 0 [ 313.786296] ? warn_alloc+0x120/0x120 [ 313.791116] 0 [ 313.794391] ? trace_hardirqs_on+0x310/0x310 [ 313.798168] 3503 [ 313.799966] ? warn_alloc+0x120/0x120 [ 313.804346] 3503 [ 313.806417] ? print_usage_bug+0xc0/0xc0 [ 313.810188] Node 0 [ 313.812243] ? warn_alloc+0x120/0x120 [ 313.816315] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 313.818527] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 313.822299] lowmem_reserve[]: [ 313.851144] ? print_usage_bug+0xc0/0xc0 [ 313.856134] 0 [ 313.859235] ? __lock_acquire+0x7ec/0x4ec0 [ 313.863273] 0 [ 313.865072] ? __lock_acquire+0x7ec/0x4ec0 [ 313.869276] 0 0 [ 313.871091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.875297] Node 0 [ 313.877269] ? should_fail+0x22d/0xd01 [ 313.882782] DMA: [ 313.885020] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.888885] 1*4kB [ 313.890943] ? __lock_acquire+0x7ec/0x4ec0 [ 313.896020] (U) [ 313.898166] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.902374] 0*8kB [ 313.904345] ? __lock_acquire+0x7ec/0x4ec0 [ 313.909425] 0*16kB [ 313.911572] ? should_fail+0x22d/0xd01 [ 313.915784] 1*32kB [ 313.918017] ? print_usage_bug+0xc0/0xc0 [ 313.921878] (U) [ 313.924112] ? mark_held_locks+0x130/0x130 [ 313.928147] 2*64kB [ 313.930119] ? mark_held_locks+0x130/0x130 [ 313.934328] (U) [ 313.936582] ? graph_lock+0x170/0x170 [ 313.940794] 1*128kB [ 313.942765] ? print_usage_bug+0xc0/0xc0 [ 313.946577] (U) [ 313.948896] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 313.952928] 1*256kB [ 313.954900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.959629] (U) [ 313.962184] ? check_preemption_disabled+0x48/0x200 [ 313.967697] 0*512kB [ 313.969668] ? check_preemption_disabled+0x48/0x200 [ 313.974660] 1*1024kB [ 313.976981] ? __lock_is_held+0xb5/0x140 [ 313.981962] (U) [ 313.984369] __alloc_pages_nodemask+0xa80/0xde0 [ 313.988404] 1*2048kB [ 313.990373] ? graph_lock+0x170/0x170 [ 313.995017] (M) [ 313.997421] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 314.001191] 3*4096kB (M) [ 314.003167] ? graph_lock+0x170/0x170 [ 314.008153] = 15908kB [ 314.008162] Node 0 [ 314.010922] ? find_held_lock+0x36/0x1c0 [ 314.014691] DMA32: [ 314.017106] ? ____cache_alloc_node+0x1c7/0x1e0 [ 314.019316] 3*4kB [ 314.023369] ? lock_downgrade+0x900/0x900 [ 314.025578] (M) [ 314.030244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.032367] 2*8kB [ 314.036511] cache_grow_begin+0x91/0x8c0 [ 314.038459] (M) [ 314.044000] ? do_raw_spin_unlock+0xa7/0x2f0 [ 314.046122] 1*16kB (M) [ 314.050189] fallback_alloc+0x203/0x2e0 [ 314.052226] 1*32kB [ 314.056627] ____cache_alloc_node+0x1c7/0x1e0 [ 314.059185] (M) [ 314.063155] kmem_cache_alloc_node+0xe3/0x730 [ 314.065363] 3*64kB (UM) [ 314.069865] ? ipv6_get_ifaddr+0x42e/0x620 [ 314.071815] 3*128kB [ 314.076314] __alloc_skb+0x119/0x770 [ 314.078955] (M) [ 314.083188] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.085487] 2*256kB [ 314.089189] ? skb_scrub_packet+0x490/0x490 [ 314.091140] (M) [ 314.096411] ? lock_downgrade+0x900/0x900 [ 314.098714] 3*512kB [ 314.103036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.104983] (M) [ 314.109136] ? refcount_sub_and_test_checked+0x203/0x310 [ 314.111430] 4*1024kB (UM) [ 314.116968] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 314.118923] 3*2048kB [ 314.124370] ? addrconf_rs_timer+0x6f0/0x6f0 [ 314.127184] (UM) [ 314.132635] ndisc_alloc_skb+0x144/0x340 [ 314.135019] 3*4096kB [ 314.139420] ndisc_send_rs+0x331/0x6e0 [ 314.141454] (M) [ 314.145513] addrconf_rs_timer+0x3c0/0x6f0 [ 314.147892] = 25228kB [ 314.147900] Node 0 [ 314.151790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.153743] Normal: [ 314.157980] call_timer_fn+0x272/0x920 [ 314.160358] 866*4kB [ 314.162590] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.166818] (ME) [ 314.169142] ? process_timeout+0x40/0x40 [ 314.173008] 469*8kB [ 314.175327] ? find_held_lock+0x36/0x1c0 [ 314.179538] (UME) [ 314.181605] ? __run_timers+0x7da/0xc70 [ 314.185634] 197*16kB [ 314.187951] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.191981] (UME) [ 314.194135] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.198088] 59*32kB [ 314.200501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.204970] (UME) [ 314.207211] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 314.211674] 18*64kB (ME) [ 314.214009] ? trace_hardirqs_on+0xbd/0x310 [ 314.218216] 3*128kB [ 314.220363] ? kasan_check_read+0x11/0x20 [ 314.224922] (M) [ 314.227676] ? __run_timers+0x7da/0xc70 [ 314.231965] 1*256kB (U) [ 314.234303] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.238424] 0*512kB [ 314.240397] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.244345] 0*1024kB [ 314.247020] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.252447] 0*2048kB [ 314.254767] __run_timers+0x7e5/0xc70 [ 314.258983] 0*4096kB [ 314.261403] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 314.265606] = 14048kB [ 314.268028] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 314.271809] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 314.274204] ? graph_lock+0x170/0x170 [ 314.279547] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 314.281942] ? enqueue_hrtimer+0x1a5/0x560 [ 314.286934] 412 total pagecache pages [ 314.295775] ? lock_release+0x970/0x970 [ 314.299565] 0 pages in swap cache [ 314.308126] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 314.312339] Swap cache stats: add 0, delete 0, find 0/0 [ 314.316130] ? find_held_lock+0x36/0x1c0 [ 314.320080] Free swap = 0kB [ 314.323527] ? graph_lock+0x170/0x170 [ 314.328692] Total swap = 0kB [ 314.334047] ? pvclock_read_flags+0x160/0x160 [ 314.338081] 1965979 pages RAM [ 314.341098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.344867] 0 pages HighMem/MovableOnly [ 314.347890] ? check_preemption_disabled+0x48/0x200 [ 314.352357] 343323 pages reserved [ 314.352366] 0 pages cma reserved [ 314.355480] ? __lock_is_held+0xb5/0x140 [ 314.361068] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 314.364963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.370058] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 314.373399] ? check_preemption_disabled+0x48/0x200 [ 314.376740] syz-fuzzer cpuset= [ 314.380804] run_timer_softirq+0x52/0xb0 [ 314.387264] / [ 314.392816] ? rcu_read_lock_sched_held+0x108/0x120 [ 314.403024] mems_allowed=0 [ 314.408034] __do_softirq+0x30b/0xad8 [ 314.428687] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 314.433839] ? pvclock_read_flags+0x160/0x160 [ 314.438363] ? lapic_next_event+0x5a/0x90 [ 314.442517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.448055] ? check_preemption_disabled+0x48/0x200 [ 314.453069] ? check_preemption_disabled+0x48/0x200 [ 314.458100] ? kvm_clock_read+0x18/0x30 [ 314.462076] ? kvm_sched_clock_read+0x9/0x20 [ 314.466493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.472033] ? check_preemption_disabled+0x48/0x200 [ 314.477064] irq_exit+0x17f/0x1c0 [ 314.480526] smp_apic_timer_interrupt+0x1cb/0x760 [ 314.485372] ? smp_reschedule_interrupt+0x109/0x650 [ 314.490394] ? smp_call_function_single_interrupt+0x650/0x650 [ 314.496285] ? interrupt_entry+0xb5/0xf0 [ 314.500355] ? trace_hardirqs_off_caller+0xbb/0x300 [ 314.505371] ? trace_hardirqs_off_caller+0xbb/0x300 [ 314.510390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.515236] ? trace_hardirqs_off+0x300/0x300 [ 314.519736] ? trace_hardirqs_off+0x300/0x300 [ 314.524238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.529776] ? check_preemption_disabled+0x48/0x200 [ 314.534794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.540344] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.545202] apic_timer_interrupt+0xf/0x20 [ 314.549432] [ 314.551677] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 314.556618] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 314.575521] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 314.583232] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 314.590498] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 314.597770] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 314.605037] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 314.612309] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 314.619626] skb_clone+0x1bb/0x500 [ 314.623170] ? skb_split+0x11e0/0x11e0 [ 314.627070] ? dev_forward_skb+0x4c/0x60 [ 314.631144] ? __bpf_redirect+0x54b/0xb20 [ 314.635302] ? __switch_to_asm+0x34/0x70 [ 314.639381] bpf_clone_redirect+0xb9/0x490 [ 314.643624] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 314.648647] ? __sched_text_start+0x8/0x8 [ 314.652805] ? lockdep_hardirqs_on+0x421/0x5c0 [ 314.657389] ? retint_kernel+0x2d/0x2d [ 314.661285] ? trace_hardirqs_on_caller+0xc0/0x300 [ 314.666219] ? find_held_lock+0x36/0x1c0 [ 314.670295] ? lock_acquire+0x1ed/0x520 [ 314.674272] ? bpf_test_run+0x32e/0x5a0 [ 314.678257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.683802] ? check_preemption_disabled+0x48/0x200 [ 314.688829] ? kasan_check_read+0x11/0x20 [ 314.692980] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.698266] ? rcu_bh_qs+0xc0/0xc0 [ 314.701818] ? preempt_schedule+0x4d/0x60 [ 314.705972] ? ___preempt_schedule+0x16/0x18 [ 314.710396] ? bpf_test_run+0x1c0/0x5a0 [ 314.714385] ? netlink_diag_dump+0x2a0/0x2a0 [ 314.718800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.724337] ? bpf_test_init.isra.9+0x70/0x100 [ 314.728938] ? bpf_prog_test_run_skb+0x634/0xb40 [ 314.733705] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 314.738546] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 314.744082] ? fput+0x130/0x1a0 [ 314.747363] ? __bpf_prog_get+0x9b/0x290 [ 314.751426] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 314.756266] ? bpf_prog_test_run+0x130/0x1a0 [ 314.760686] ? __x64_sys_bpf+0x3d8/0x510 [ 314.764779] ? bpf_prog_get+0x20/0x20 [ 314.768588] ? ksys_ioctl+0x81/0xd0 [ 314.772227] ? do_syscall_64+0x1b9/0x820 [ 314.776296] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 314.781693] ? syscall_return_slowpath+0x5e0/0x5e0 [ 314.786643] ? trace_hardirqs_off+0x300/0x300 [ 314.791139] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 314.796161] ? recalc_sigpending_tsk+0x180/0x180 [ 314.800917] ? kasan_check_write+0x14/0x20 [ 314.805163] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.810023] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 314.815405] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 314.815479] rcu: INFO: rcu_preempt self-detected stall on CPU [ 314.822360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.828249] Call Trace: [ 314.838141] rcu: 0-...!: (1 GPs behind) idle=032/1/0x4000000000000004 softirq=8845/8846 fqs=1 [ 314.840373] [ 314.840390] dump_stack+0x1c4/0x2b4 [ 314.840407] ? dump_stack_print_info.cold.2+0x52/0x52 [ 314.840436] warn_alloc.cold.118+0xb7/0x1bd [ 314.840452] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 314.840477] ? lock_downgrade+0x900/0x900 [ 314.840499] ? trace_hardirqs_off+0xb8/0x300 [ 314.840519] ? trace_hardirqs_off+0xb8/0x300 [ 314.840541] __alloc_pages_slowpath+0x2667/0x2d80 [ 314.840583] ? warn_alloc+0x120/0x120 [ 314.849655] rcu: [ 314.851816] ? trace_hardirqs_on+0x310/0x310 [ 314.855424] (t=10580 jiffies g=9229 q=13) [ 314.860605] ? warn_alloc+0x120/0x120 [ 314.864914] rcu: rcu_preempt kthread starved for 10513 jiffies! g9229 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 314.869741] ? print_usage_bug+0xc0/0xc0 [ 314.873880] rcu: RCU grace-period kthread stack dump: [ 314.878290] ? warn_alloc+0x120/0x120 [ 314.882680] rcu_preempt R [ 314.887516] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 314.891292] running task [ 314.893444] ? print_usage_bug+0xc0/0xc0 [ 314.897839] 23064 10 2 0x80000000 [ 314.902063] ? __lock_acquire+0x7ec/0x4ec0 [ 314.905833] Call Trace: [ 314.916232] ? __lock_acquire+0x7ec/0x4ec0 [ 314.920288] __schedule+0x86c/0x1ed0 [ 314.925460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.929251] ? __sched_text_start+0x8/0x8 [ 314.932337] ? should_fail+0x22d/0xd01 [ 314.937337] ? __mod_timer+0x6f6/0x1870 [ 314.940528] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.944578] ? add_timer_on+0x9f0/0x9f0 [ 314.948705] ? __lock_acquire+0x7ec/0x4ec0 [ 314.952928] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 314.955494] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.959710] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 314.963408] ? __lock_acquire+0x7ec/0x4ec0 [ 314.968931] ? trace_hardirqs_on+0xbd/0x310 [ 314.973062] ? should_fail+0x22d/0xd01 [ 314.976935] ? kasan_check_read+0x11/0x20 [ 314.980922] ? print_usage_bug+0xc0/0xc0 [ 314.980947] ? mark_held_locks+0x130/0x130 [ 314.986033] ? prepare_to_swait_event+0x25a/0x800 [ 314.989988] ? mark_held_locks+0x130/0x130 [ 314.994215] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.999302] ? graph_lock+0x170/0x170 [ 315.004392] schedule+0xfe/0x460 [ 315.009488] ? print_usage_bug+0xc0/0xc0 [ 315.013711] ? __schedule+0x1ed0/0x1ed0 [ 315.018025] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 315.021894] ? prepare_to_swait_event+0x25a/0x800 [ 315.026030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.030076] ? __init_swait_queue_head+0x150/0x150 [ 315.034298] ? check_preemption_disabled+0x48/0x200 [ 315.039126] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.043341] ? check_preemption_disabled+0x48/0x200 [ 315.043366] ? __lock_is_held+0xb5/0x140 [ 315.048788] ? __lockdep_init_map+0x105/0x590 [ 315.048806] ? lockdep_init_map+0x9/0x10 [ 315.052596] __alloc_pages_nodemask+0xa80/0xde0 [ 315.055944] schedule_timeout+0x140/0x260 [ 315.059986] ? graph_lock+0x170/0x170 [ 315.063949] ? usleep_range+0x1a0/0x1a0 [ 315.068689] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 315.073533] ? __next_timer_interrupt+0x1a0/0x1a0 [ 315.079053] ? graph_lock+0x170/0x170 [ 315.083971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.088976] ? find_held_lock+0x36/0x1c0 [ 315.094067] rcu_gp_kthread+0x9d9/0x2310 [ 315.099067] ? ____cache_alloc_node+0x1c7/0x1e0 [ 315.103125] ? rcu_gp_init+0x1830/0x1830 [ 315.107583] ? lock_downgrade+0x900/0x900 [ 315.111626] ? update_curr+0x344/0xbe0 [ 315.116281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.120414] ? graph_lock+0x170/0x170 [ 315.124202] cache_grow_begin+0x91/0x8c0 [ 315.128158] ? __account_cfs_rq_runtime+0x790/0x790 [ 315.133157] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.137982] ? __lock_acquire+0x7ec/0x4ec0 [ 315.141784] fallback_alloc+0x203/0x2e0 [ 315.147302] ? graph_lock+0x170/0x170 [ 315.151352] ____cache_alloc_node+0x1c7/0x1e0 [ 315.155399] ? mark_held_locks+0x130/0x130 [ 315.160050] kmem_cache_alloc_node+0xe3/0x730 [ 315.164096] ? __lock_is_held+0xb5/0x140 [ 315.168232] ? ipv6_get_ifaddr+0x42e/0x620 [ 315.172100] ? __account_cfs_rq_runtime+0x790/0x790 [ 315.177627] __alloc_skb+0x119/0x770 [ 315.181419] ? set_next_entity+0x30c/0xc40 [ 315.185459] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.190455] ? mark_held_locks+0x130/0x130 [ 315.194852] ? skb_scrub_packet+0x490/0x490 [ 315.199076] ? rcu_read_lock_sched_held+0x108/0x120 [ 315.203036] ? lock_downgrade+0x900/0x900 [ 315.206824] ? select_task_rq_fair+0x34f0/0x34f0 [ 315.211305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.215519] ? __enqueue_entity+0x10d/0x1f0 [ 315.220019] ? refcount_sub_and_test_checked+0x203/0x310 [ 315.224066] ? graph_lock+0x170/0x170 [ 315.228281] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 315.233299] ? lock_repin_lock+0x251/0x430 [ 315.236986] ? addrconf_rs_timer+0x6f0/0x6f0 [ 315.241207] ? graph_lock+0x170/0x170 [ 315.246476] ndisc_alloc_skb+0x144/0x340 [ 315.250691] ? put_prev_task_stop+0x300/0xa10 [ 315.255001] ndisc_send_rs+0x331/0x6e0 [ 315.260017] ? lock_repin_lock+0x250/0x430 [ 315.264147] addrconf_rs_timer+0x3c0/0x6f0 [ 315.268887] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.274409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.278724] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.284171] call_timer_fn+0x272/0x920 [ 315.287965] ? lockdep_hardirqs_on+0x421/0x5c0 [ 315.293402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.297621] ? trace_hardirqs_on+0xbd/0x310 [ 315.302058] ? process_timeout+0x40/0x40 [ 315.305841] ? kasan_check_read+0x11/0x20 [ 315.309890] ? find_held_lock+0x36/0x1c0 [ 315.314373] ? mark_held_locks+0x130/0x130 [ 315.318246] ? mark_held_locks+0xc7/0x130 [ 315.322460] ? audit_add_watch+0xae1/0xdc0 [ 315.326677] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.331160] ? kasan_check_write+0x14/0x20 [ 315.335381] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.339866] ? finish_task_switch+0x2f5/0x900 [ 315.343736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.348301] ? __switch_to_asm+0x40/0x70 [ 315.352520] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 315.356826] ? preempt_notifier_register+0x200/0x200 [ 315.360869] ? trace_hardirqs_on+0xbd/0x310 [ 315.365007] ? __switch_to_asm+0x34/0x70 [ 315.369058] ? kasan_check_read+0x11/0x20 [ 315.373286] ? __switch_to_asm+0x34/0x70 [ 315.377413] ? __run_timers+0x7da/0xc70 [ 315.381645] ? __switch_to_asm+0x40/0x70 [ 315.386124] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.390345] ? __switch_to_asm+0x40/0x70 [ 315.394828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.399321] ? __switch_to_asm+0x34/0x70 [ 315.403541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.407583] ? __switch_to_asm+0x40/0x70 [ 315.412152] __run_timers+0x7e5/0xc70 [ 315.417235] ? __switch_to_asm+0x34/0x70 [ 315.421554] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 315.425588] ? __switch_to_asm+0x34/0x70 [ 315.429728] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 315.433770] ? __switch_to_asm+0x40/0x70 [ 315.437735] ? graph_lock+0x170/0x170 [ 315.441783] ? __switch_to_asm+0x40/0x70 [ 315.447228] ? print_usage_bug+0xc0/0xc0 [ 315.451274] ? __switch_to_asm+0x34/0x70 [ 315.455493] ? lock_release+0x970/0x970 [ 315.459538] ? __switch_to_asm+0x40/0x70 [ 315.463755] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 315.467803] ? __schedule+0x874/0x1ed0 [ 315.471592] ? find_held_lock+0x36/0x1c0 [ 315.475633] ? __switch_to_asm+0x40/0x70 [ 315.480981] ? graph_lock+0x170/0x170 [ 315.485051] ? __switch_to_asm+0x40/0x70 [ 315.490054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.494100] ? graph_lock+0x170/0x170 [ 315.497881] ? check_preemption_disabled+0x48/0x200 [ 315.501931] ? __sched_text_start+0x8/0x8 [ 315.505976] ? __lock_is_held+0xb5/0x140 [ 315.510029] ? find_held_lock+0x36/0x1c0 [ 315.513984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.518039] ? __kthread_parkme+0xce/0x1a0 [ 315.523205] ? check_preemption_disabled+0x48/0x200 [ 315.527077] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.531126] run_timer_softirq+0x52/0xb0 [ 315.535177] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.538964] ? rcu_read_lock_sched_held+0x108/0x120 [ 315.543016] ? lockdep_hardirqs_on+0x421/0x5c0 [ 315.548543] __do_softirq+0x30b/0xad8 [ 315.552331] ? trace_hardirqs_on+0xbd/0x310 [ 315.557339] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 315.561464] ? kasan_check_read+0x11/0x20 [ 315.565514] ? pvclock_read_flags+0x160/0x160 [ 315.569559] ? __kthread_parkme+0xce/0x1a0 [ 315.575078] ? lapic_next_event+0x5a/0x90 [ 315.579304] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.584304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.589390] ? kasan_check_write+0x14/0x20 [ 315.593438] ? check_preemption_disabled+0x48/0x200 [ 315.598526] ? do_raw_spin_lock+0xc1/0x200 [ 315.603525] ? check_preemption_disabled+0x48/0x200 [ 315.608096] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.611881] ? kvm_clock_read+0x18/0x30 [ 315.616188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.621285] ? kvm_sched_clock_read+0x9/0x20 [ 315.625421] ? __kthread_parkme+0xfb/0x1a0 [ 315.629902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.634136] kthread+0x35a/0x420 [ 315.638264] ? check_preemption_disabled+0x48/0x200 [ 315.643707] ? rcu_gp_init+0x1830/0x1830 [ 315.649235] irq_exit+0x17f/0x1c0 [ 315.653449] ? kthread_bind+0x40/0x40 [ 315.658465] smp_apic_timer_interrupt+0x1cb/0x760 [ 315.662683] ret_from_fork+0x3a/0x50 [ 315.667703] ? smp_call_function_single_interrupt+0x650/0x650 [ 315.672797] NMI backtrace for cpu 0 [ 315.676748] ? interrupt_entry+0xb5/0xf0 [ 315.738150] ? trace_hardirqs_off_caller+0xbb/0x300 [ 315.743192] ? trace_hardirqs_off_caller+0xbb/0x300 [ 315.748213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.753058] ? trace_hardirqs_off+0x300/0x300 [ 315.757565] ? trace_hardirqs_off+0x300/0x300 [ 315.762064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.767601] ? check_preemption_disabled+0x48/0x200 [ 315.772621] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.778171] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.783039] apic_timer_interrupt+0xf/0x20 [ 315.787274] [ 315.789514] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 315.794880] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 315.813809] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 315.821522] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 315.829035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 315.836299] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 315.843566] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 315.850832] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 315.858123] ? page_evictable+0x35d/0x540 [ 315.862288] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 315.867829] page_evictable+0x36b/0x540 [ 315.871810] ? kswapd_stop+0x100/0x100 [ 315.875704] ? ___might_sleep+0x1ed/0x300 [ 315.879852] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.885304] ? arch_local_save_flags+0x40/0x40 [ 315.889892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.895431] ? check_preemption_disabled+0x48/0x200 [ 315.900454] shrink_active_list+0x845/0x1c20 [ 315.904865] ? free_unref_page_list+0xc0f/0x11e0 [ 315.909642] ? shrink_inactive_list+0x1c60/0x1c60 [ 315.914505] ? graph_lock+0x170/0x170 [ 315.918312] ? __page_frag_cache_drain+0x200/0x200 [ 315.923244] ? print_usage_bug+0xc0/0xc0 [ 315.927327] ? find_held_lock+0x36/0x1c0 [ 315.931396] ? graph_lock+0x170/0x170 [ 315.935204] ? mark_held_locks+0xc7/0x130 [ 315.939355] ? check_preemption_disabled+0x48/0x200 [ 315.944373] ? check_preemption_disabled+0x48/0x200 [ 315.949405] ? graph_lock+0x170/0x170 [ 315.953213] ? __lock_is_held+0xb5/0x140 [ 315.957286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.963286] ? check_preemption_disabled+0x48/0x200 [ 315.968324] ? __lock_is_held+0xb5/0x140 [ 315.972404] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 315.977426] ? inactive_list_is_low+0x305/0x880 [ 315.982108] ? lruvec_lru_size+0x450/0x450 [ 315.986350] ? kasan_check_read+0x11/0x20 [ 315.990512] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 315.995457] shrink_node_memcg+0x803/0x18e0 [ 315.999820] ? shrink_active_list+0x1c20/0x1c20 [ 316.004502] ? lockdep_hardirqs_on+0x421/0x5c0 [ 316.009088] ? trace_hardirqs_on+0xbd/0x310 [ 316.013417] ? vmpressure+0x294/0x310 [ 316.017220] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.022698] shrink_node+0x3bc/0x16b0 [ 316.026506] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 316.031815] ? shrink_node_memcg+0x18e0/0x18e0 [ 316.036400] ? lockdep_hardirqs_on+0x421/0x5c0 [ 316.040984] ? trace_hardirqs_on+0xbd/0x310 [ 316.045319] ? vmpressure+0x294/0x310 [ 316.049128] ? do_raw_spin_unlock+0xa7/0x2f0 [ 316.053541] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 316.058133] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 316.063677] ? __cpuset_node_allowed+0x19b/0x660 [ 316.068441] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 316.074159] ? vmpressure+0x1c9/0x310 [ 316.077979] do_try_to_free_pages+0x3e7/0x1290 [ 316.082591] ? shrink_node+0x16b0/0x16b0 [ 316.086655] ? __lock_is_held+0xb5/0x140 [ 316.090733] try_to_free_pages+0x4d0/0xb90 [ 316.095005] ? do_try_to_free_pages+0x1290/0x1290 [ 316.099853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.105404] ? lock_acquire+0x1ed/0x520 [ 316.109382] ? set_page_refcounted+0x280/0x280 [ 316.113972] ? lock_release+0x970/0x970 [ 316.117970] ? ___might_sleep+0x1ed/0x300 [ 316.122135] ? arch_local_save_flags+0x40/0x40 [ 316.126723] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 316.132017] ? __radix_tree_lookup+0x358/0x4c0 [ 316.136611] __alloc_pages_slowpath+0x993/0x2d80 [ 316.141401] ? kasan_check_read+0x11/0x20 [ 316.145556] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.150839] ? warn_alloc+0x120/0x120 [ 316.154644] ? __radix_tree_lookup+0x4c0/0x4c0 [ 316.159242] ? find_get_entry+0x2f2/0xc40 [ 316.163405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.168944] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 316.173875] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.179418] ? should_fail+0x22d/0xd01 [ 316.183311] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.188422] ? __lock_is_held+0xb5/0x140 [ 316.192489] ? graph_lock+0x170/0x170 [ 316.196297] ? graph_lock+0x170/0x170 [ 316.200121] ? __lock_is_held+0xb5/0x140 [ 316.204190] ? __lock_acquire+0x7ec/0x4ec0 [ 316.208435] ? ___might_sleep+0x1ed/0x300 [ 316.212587] ? lock_release+0x970/0x970 [ 316.216568] ? arch_local_save_flags+0x40/0x40 [ 316.221163] ? __might_sleep+0x95/0x190 [ 316.225163] __alloc_pages_nodemask+0xa80/0xde0 [ 316.229842] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 316.234864] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 316.240672] ? kasan_check_read+0x11/0x20 [ 316.244843] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.250127] ? graph_lock+0x170/0x170 [ 316.253929] ? print_usage_bug+0xc0/0xc0 [ 316.258012] ? graph_lock+0x170/0x170 [ 316.261813] ? graph_lock+0x170/0x170 [ 316.265617] ? __do_page_cache_readahead+0x7ce/0x980 [ 316.270726] ? find_held_lock+0x36/0x1c0 [ 316.274801] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 316.280349] alloc_pages_current+0x10c/0x210 [ 316.284767] ? lock_downgrade+0x900/0x900 [ 316.288932] __page_cache_alloc+0x38f/0x5b0 [ 316.293259] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 316.299073] ? kasan_check_read+0x11/0x20 [ 316.303223] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.308505] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 316.313178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.318719] ? check_preemption_disabled+0x48/0x200 [ 316.323772] filemap_fault+0x1594/0x25f0 [ 316.327858] ? __lock_page_or_retry+0xa00/0xa00 [ 316.332531] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 316.338328] ? kasan_check_read+0x11/0x20 [ 316.342480] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.347761] ? rcu_bh_qs+0xc0/0xc0 [ 316.351315] ? print_usage_bug+0xc0/0xc0 [ 316.355390] ? filemap_map_pages+0xdea/0x1980 [ 316.359900] ? print_usage_bug+0xc0/0xc0 [ 316.363973] ? find_get_pages_range_tag+0x1320/0x1320 [ 316.369182] ? print_usage_bug+0xc0/0xc0 [ 316.373246] ? __lock_acquire+0x7ec/0x4ec0 [ 316.377487] ? graph_lock+0x170/0x170 [ 316.381298] ? __sigqueue_free.part.27+0x7d/0xa0 [ 316.386063] ? __lock_acquire+0x7ec/0x4ec0 [ 316.390314] ? lock_acquire+0x1ed/0x520 [ 316.394296] ? ext4_filemap_fault+0x7a/0xad [ 316.398626] ? lock_release+0x970/0x970 [ 316.402602] ? arch_local_save_flags+0x40/0x40 [ 316.407186] ? mark_held_locks+0x130/0x130 [ 316.411441] ? down_read+0xb0/0x1d0 [ 316.415074] ? ext4_filemap_fault+0x7a/0xad [ 316.419404] ? __down_interruptible+0x700/0x700 [ 316.424075] ? graph_lock+0x170/0x170 [ 316.427884] ? __sigqueue_free.part.27+0x7d/0xa0 [ 316.432654] ext4_filemap_fault+0x82/0xad [ 316.436816] __do_fault+0x100/0x6b0 [ 316.440449] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.445736] ? print_bad_pte+0x6c0/0x6c0 [ 316.449810] ? pmd_val+0x88/0x100 [ 316.453271] ? add_mm_counter_fast+0xd0/0xd0 [ 316.457682] ? pmd_val+0x88/0x100 [ 316.461138] ? add_mm_counter_fast+0xd0/0xd0 [ 316.465558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.471106] __handle_mm_fault+0x3709/0x53e0 [ 316.475529] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 316.480377] ? graph_lock+0x170/0x170 [ 316.484185] ? print_usage_bug+0xc0/0xc0 [ 316.488250] ? graph_lock+0x170/0x170 [ 316.492050] ? graph_lock+0x170/0x170 [ 316.495875] ? handle_mm_fault+0x42a/0xc70 [ 316.500113] ? lock_downgrade+0x900/0x900 [ 316.504264] ? check_preemption_disabled+0x48/0x200 [ 316.509293] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 316.515094] ? kasan_check_read+0x11/0x20 [ 316.519243] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.524523] ? rcu_bh_qs+0xc0/0xc0 [ 316.528067] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.533521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.539062] ? check_preemption_disabled+0x48/0x200 [ 316.544087] handle_mm_fault+0x54f/0xc70 [ 316.548159] ? __handle_mm_fault+0x53e0/0x53e0 [ 316.552744] ? find_vma+0x34/0x190 [ 316.556295] __do_page_fault+0x67d/0xed0 [ 316.560370] ? mm_fault_error+0x380/0x380 [ 316.564531] ? syscall_slow_exit_work+0x520/0x520 [ 316.569383] do_page_fault+0xf2/0x7e0 [ 316.573191] ? vmalloc_sync_all+0x30/0x30 [ 316.577344] ? error_entry+0x70/0xd0 [ 316.581236] ? trace_hardirqs_off_caller+0xbb/0x300 [ 316.586250] ? trace_hardirqs_on_caller+0xc0/0x300 [ 316.591181] ? syscall_return_slowpath+0x5e0/0x5e0 [ 316.596111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.600967] ? trace_hardirqs_off+0x300/0x300 [ 316.605469] ? trace_hardirqs_off_caller+0x300/0x300 [ 316.610579] ? prepare_exit_to_usermode+0x291/0x3b0 [ 316.615603] ? page_fault+0x8/0x30 [ 316.619149] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.624003] ? page_fault+0x8/0x30 [ 316.627551] page_fault+0x1e/0x30 [ 316.631014] RIP: 0033:0x45db60 [ 316.634217] Code: Bad RIP value. [ 316.637582] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 316.642951] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 316.650219] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 316.657489] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 316.664754] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 316.672026] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 316.679340] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 316.679345] warn_alloc_show_mem: 1 callbacks suppressed [ 316.679353] Mem-Info: [ 316.686542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.691908] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 316.691908] active_file:15 inactive_file:16 isolated_file:2 [ 316.691908] unevictable:0 dirty:0 writeback:0 unstable:0 [ 316.691908] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 316.691908] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 316.691908] free:13788 free_pcp:262 free_cma:0 [ 316.694283] Call Trace: [ 316.703664] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 316.736506] [ 316.739095] Node 0 [ 316.766763] dump_stack+0x1c4/0x2b4 [ 316.768910] 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 [ 316.771120] ? dump_stack_print_info.cold.2+0x52/0x52 [ 316.774743] lowmem_reserve[]: [ 316.800268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.805455] 0 [ 316.808552] ? trace_hardirqs_off+0xb8/0x300 [ 316.814075] 2815 [ 316.815884] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 316.820261] 6318 [ 316.822326] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 316.826981] 6318 [ 316.829080] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 316.836305] arch_trigger_cpumask_backtrace+0x14/0x20 [ 316.841558] Node 0 [ 316.846739] rcu_dump_cpu_stacks+0x175/0x1c2 [ 316.846775] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 316.848985] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 316.853374] lowmem_reserve[]: [ 316.880380] print_cpu_stall.cold.78+0x2d3/0x524 [ 316.885363] 0 0 [ 316.888476] ? rcu_dynticks_snap+0x30/0x30 [ 316.893204] 3503 [ 316.895176] ? check_preemption_disabled+0x48/0x200 [ 316.899388] 3503 [ 316.901448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.908490] ? check_preemption_disabled+0x48/0x200 [ 316.914012] Node 0 [ 316.919018] ? check_preemption_disabled+0x48/0x200 [ 316.919054] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 316.921262] ? rcu_test_sync_prims+0x30/0x30 [ 316.926251] lowmem_reserve[]: [ 316.954626] ? __lock_is_held+0xb5/0x140 [ 316.959011] 0 [ 316.962118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.966153] 0 [ 316.967948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.973458] 0 [ 316.975260] ? check_preemption_disabled+0x48/0x200 [ 316.980768] 0 [ 316.982576] rcu_check_callbacks+0xfd9/0x1990 [ 316.989368] ? rcu_cpu_stall_reset+0x220/0x220 [ 316.993833] Node 0 [ 316.998404] ? lock_release+0x970/0x970 [ 316.998414] DMA: [ 317.000652] ? graph_lock+0x170/0x170 [ 317.004599] 1*4kB [ 317.006657] ? graph_lock+0x170/0x170 [ 317.010436] (U) [ 317.012584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.016358] 0*8kB [ 317.018330] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 317.023837] 0*16kB 1*32kB [ 317.025991] ? kvm_vcpu_ready_for_interrupt_injection+0x1a0/0x1a0 [ 317.030552] (U) [ 317.033406] ? graph_lock+0x170/0x170 [ 317.039604] 2*64kB [ 317.041576] ? timekeeping_advance+0x3cc/0xc00 [ 317.045348] (U) [ 317.047584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.052138] 1*128kB [ 317.054112] ? check_preemption_disabled+0x48/0x200 [ 317.059615] (U) 1*256kB [ 317.061939] ? check_preemption_disabled+0x48/0x200 [ 317.066945] (U) [ 317.069616] ? trace_hardirqs_off+0xb8/0x300 [ 317.074603] 0*512kB [ 317.076572] ? __lock_is_held+0xb5/0x140 [ 317.080957] 1*1024kB [ 317.083273] ? trace_hardirqs_on+0x310/0x310 [ 317.087312] (U) [ 317.089718] ? check_preemption_disabled+0x48/0x200 [ 317.094102] 1*2048kB [ 317.096078] ? raise_softirq+0x199/0x420 [ 317.101064] (M) [ 317.103470] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 317.107500] 3*4096kB (M) [ 317.109482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.114123] = 15908kB [ 317.116871] ? check_preemption_disabled+0x48/0x200 [ 317.122384] Node 0 [ 317.124799] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 317.129791] DMA32: [ 317.132029] ? hrtimer_run_queues+0x9a/0x400 [ 317.137541] 3*4kB [ 317.139774] ? run_local_timers+0x19b/0x230 [ 317.144164] (M) [ 317.146308] ? timer_clear_idle+0x90/0x90 [ 317.150604] 2*8kB [ 317.152575] ? debug_smp_processor_id+0x1c/0x20 [ 317.156698] (M) [ 317.158848] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 317.163496] 1*16kB [ 317.165466] ? account_process_tick+0x282/0x350 [ 317.171411] (M) [ 317.173647] update_process_times+0x2d/0x70 [ 317.178292] 1*32kB [ 317.180264] tick_sched_handle+0x9f/0x180 [ 317.184555] (M) [ 317.186794] tick_sched_timer+0x45/0x130 [ 317.190917] 3*64kB [ 317.192885] __hrtimer_run_queues+0x41c/0x10d0 [ 317.196920] (UM) [ 317.199155] ? tick_sched_do_timer+0x1a0/0x1a0 [ 317.203710] 3*128kB [ 317.205764] ? hrtimer_start_range_ns+0xe00/0xe00 [ 317.210320] (M) 2*256kB [ 317.212651] ? pvclock_read_flags+0x160/0x160 [ 317.217466] (M) [ 317.220135] ? trace_hardirqs_on+0x310/0x310 [ 317.224606] 3*512kB [ 317.226578] ? kvm_clock_read+0x18/0x30 [ 317.230958] (M) [ 317.233276] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 317.237222] 4*1024kB (UM) [ 317.239203] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 317.244194] 3*2048kB [ 317.247031] ? do_timer+0x50/0x50 [ 317.252368] (UM) [ 317.254771] ? trace_hardirqs_on+0x310/0x310 [ 317.258207] 3*4096kB [ 317.260265] ? do_raw_spin_lock+0xc1/0x200 [ 317.264642] (M) [ 317.267053] hrtimer_interrupt+0x313/0x780 [ 317.271259] = 25228kB [ 317.273247] smp_apic_timer_interrupt+0x1a1/0x760 [ 317.277445] Node 0 [ 317.279852] ? smp_call_function_single_interrupt+0x650/0x650 [ 317.284669] Normal: [ 317.286900] ? interrupt_entry+0xb5/0xf0 [ 317.292760] 866*4kB [ 317.295081] ? trace_hardirqs_off_caller+0xbb/0x300 [ 317.299114] (ME) [ 317.301439] ? ____cache_alloc_node+0x1c7/0x1e0 [ 317.306426] 469*8kB [ 317.308485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.313123] (UME) [ 317.315440] ? trace_hardirqs_off+0x300/0x300 [ 317.320257] 197*16kB [ 317.322422] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.326898] (UME) [ 317.329314] apic_timer_interrupt+0xf/0x20 [ 317.334131] 59*32kB [ 317.336330] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 317.340533] (UME) [ 317.342850] Code: 40 7e 0f 85 32 ff ff ff e8 15 d6 3e ff e9 28 ff ff ff e8 2c 33 c3 ff 48 83 3d cc 81 b0 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 b2 73 [ 317.348188] 18*64kB [ 317.350326] RSP: 0000:ffff8801dac07450 EFLAGS: 00000282 [ 317.369211] (ME) [ 317.371518] ORIG_RAX: ffffffffffffff13 [ 317.376856] 3*128kB (M) [ 317.378917] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100347c8df1 [ 317.382871] 1*256kB [ 317.385532] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 317.392784] (U) [ 317.395099] RBP: ffff8801dac074c0 R08: ffff8801a3e46f88 R09: 0000000000000002 [ 317.402354] 0*512kB [ 317.404322] R10: 0000000000000000 R11: ffff8801a3e466c0 R12: ffff8801d9be7680 [ 317.411583] 0*1024kB [ 317.413898] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282 [ 317.421152] 0*2048kB [ 317.423558] ? apic_timer_interrupt+0xa/0x20 [ 317.430807] 0*4096kB [ 317.433225] ? ipv6_get_ifaddr+0x42e/0x620 [ 317.437595] = 14048kB [ 317.440014] __alloc_skb+0x119/0x770 [ 317.444225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 317.446627] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.450318] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 317.459142] ? skb_scrub_packet+0x490/0x490 [ 317.464391] 412 total pagecache pages [ 317.472961] ? lock_downgrade+0x900/0x900 [ 317.477265] 0 pages in swap cache [ 317.481058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.485183] Swap cache stats: add 0, delete 0, find 0/0 [ 317.488632] ? refcount_sub_and_test_checked+0x203/0x310 [ 317.494137] Free swap = 0kB [ 317.494146] Total swap = 0kB [ 317.499501] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 317.504928] 1965979 pages RAM [ 317.507944] ? addrconf_rs_timer+0x6f0/0x6f0 [ 317.510934] 0 pages HighMem/MovableOnly [ 317.516384] ndisc_alloc_skb+0x144/0x340 [ 317.519457] 343323 pages reserved [ 317.523859] ndisc_send_rs+0x331/0x6e0 [ 317.527806] 0 pages cma reserved [ 317.531865] addrconf_rs_timer+0x3c0/0x6f0 [ 317.535367] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 317.539178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.539209] call_timer_fn+0x272/0x920 [ 317.542619] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 317.546780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.553249] syz-fuzzer cpuset= [ 317.557475] ? process_timeout+0x40/0x40 [ 317.561364] / [ 317.571600] ? find_held_lock+0x36/0x1c0 [ 317.575823] mems_allowed=0 [ 317.579024] ? __run_timers+0x7da/0xc70 [ 317.595695] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.600190] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.604686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.608953] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 317.613543] ? trace_hardirqs_on+0xbd/0x310 [ 317.617865] ? kasan_check_read+0x11/0x20 [ 317.622036] ? __run_timers+0x7da/0xc70 [ 317.626063] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 317.631535] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.635796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.640031] __run_timers+0x7e5/0xc70 [ 317.643849] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 317.649227] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 317.654240] ? graph_lock+0x170/0x170 [ 317.658046] ? enqueue_hrtimer+0x1a5/0x560 [ 317.662298] ? lock_release+0x970/0x970 [ 317.666283] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 317.671482] ? find_held_lock+0x36/0x1c0 [ 317.675552] ? graph_lock+0x170/0x170 [ 317.679389] ? pvclock_read_flags+0x160/0x160 [ 317.683889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.689430] ? check_preemption_disabled+0x48/0x200 [ 317.694478] ? __lock_is_held+0xb5/0x140 [ 317.698540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.704091] ? check_preemption_disabled+0x48/0x200 [ 317.709119] run_timer_softirq+0x52/0xb0 [ 317.713205] ? rcu_read_lock_sched_held+0x108/0x120 [ 317.718238] __do_softirq+0x30b/0xad8 [ 317.722072] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 317.727198] ? pvclock_read_flags+0x160/0x160 [ 317.731696] ? lapic_next_event+0x5a/0x90 [ 317.735851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.741388] ? check_preemption_disabled+0x48/0x200 [ 317.746404] ? check_preemption_disabled+0x48/0x200 [ 317.751431] ? kvm_clock_read+0x18/0x30 [ 317.755406] ? kvm_sched_clock_read+0x9/0x20 [ 317.759823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.765365] ? check_preemption_disabled+0x48/0x200 [ 317.770399] irq_exit+0x17f/0x1c0 [ 317.773865] smp_apic_timer_interrupt+0x1cb/0x760 [ 317.778712] ? smp_reschedule_interrupt+0x109/0x650 [ 317.783738] ? smp_call_function_single_interrupt+0x650/0x650 [ 317.789655] ? interrupt_entry+0xb5/0xf0 [ 317.793725] ? trace_hardirqs_off_caller+0xbb/0x300 [ 317.798740] ? trace_hardirqs_off_caller+0xbb/0x300 [ 317.803759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.808620] ? trace_hardirqs_off+0x300/0x300 [ 317.813120] ? trace_hardirqs_off+0x300/0x300 [ 317.817618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.823177] ? check_preemption_disabled+0x48/0x200 [ 317.828196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.834218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.839072] apic_timer_interrupt+0xf/0x20 [ 317.843307] [ 317.845549] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 317.850481] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 317.869385] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 317.877095] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 317.884365] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 317.891633] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 317.898903] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 317.906169] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 317.913476] skb_clone+0x1bb/0x500 [ 317.917033] ? skb_split+0x11e0/0x11e0 [ 317.920932] ? dev_forward_skb+0x4c/0x60 [ 317.925009] ? __bpf_redirect+0x54b/0xb20 [ 317.929161] ? __switch_to_asm+0x34/0x70 [ 317.933236] bpf_clone_redirect+0xb9/0x490 [ 317.937484] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 317.942508] ? __sched_text_start+0x8/0x8 [ 317.946664] ? lockdep_hardirqs_on+0x421/0x5c0 [ 317.951246] ? retint_kernel+0x2d/0x2d [ 317.955141] ? trace_hardirqs_on_caller+0xc0/0x300 [ 317.960076] ? find_held_lock+0x36/0x1c0 [ 317.964381] ? lock_acquire+0x1ed/0x520 [ 317.968356] ? bpf_test_run+0x32e/0x5a0 [ 317.972335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.977871] ? check_preemption_disabled+0x48/0x200 [ 317.982889] ? kasan_check_read+0x11/0x20 [ 317.987045] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.992324] ? rcu_bh_qs+0xc0/0xc0 [ 317.995871] ? preempt_schedule+0x4d/0x60 [ 318.000032] ? ___preempt_schedule+0x16/0x18 [ 318.004452] ? bpf_test_run+0x1c0/0x5a0 [ 318.008453] ? netlink_diag_dump+0x2a0/0x2a0 [ 318.012882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.018422] ? bpf_test_init.isra.9+0x70/0x100 [ 318.023020] ? bpf_prog_test_run_skb+0x634/0xb40 [ 318.027784] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 318.032629] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 318.038170] ? fput+0x130/0x1a0 [ 318.041452] ? __bpf_prog_get+0x9b/0x290 [ 318.045517] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 318.050361] ? bpf_prog_test_run+0x130/0x1a0 [ 318.054778] ? __x64_sys_bpf+0x3d8/0x510 [ 318.058843] ? bpf_prog_get+0x20/0x20 [ 318.062658] ? ksys_ioctl+0x81/0xd0 [ 318.066307] ? do_syscall_64+0x1b9/0x820 [ 318.070373] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 318.075742] ? syscall_return_slowpath+0x5e0/0x5e0 [ 318.080675] ? trace_hardirqs_off+0x300/0x300 [ 318.085172] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 318.090190] ? recalc_sigpending_tsk+0x180/0x180 [ 318.094945] ? kasan_check_write+0x14/0x20 [ 318.099188] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.104039] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 318.109429] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 318.109880] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 318.116358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.116367] Call Trace: [ 318.122946] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 318.132189] [ 318.134797] syz-executor0 cpuset= [ 318.145286] dump_stack+0x1c4/0x2b4 [ 318.147418] syz0 [ 318.150863] ? dump_stack_print_info.cold.2+0x52/0x52 [ 318.154471] mems_allowed=0 [ 318.156448] warn_alloc.cold.118+0xb7/0x1bd [ 318.168836] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.173686] ? lock_downgrade+0x900/0x900 [ 318.177842] ? trace_hardirqs_off+0xb8/0x300 [ 318.182263] ? trace_hardirqs_off+0xb8/0x300 [ 318.186680] __alloc_pages_slowpath+0x2667/0x2d80 [ 318.191556] ? warn_alloc+0x120/0x120 [ 318.195363] ? warn_alloc+0x120/0x120 [ 318.199168] ? print_usage_bug+0xc0/0xc0 [ 318.203235] ? warn_alloc+0x120/0x120 [ 318.207036] ? print_usage_bug+0xc0/0xc0 [ 318.211104] ? __lock_acquire+0x7ec/0x4ec0 [ 318.215341] ? __lock_acquire+0x7ec/0x4ec0 [ 318.219582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.225121] ? should_fail+0x22d/0xd01 [ 318.229021] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.234128] ? __lock_acquire+0x7ec/0x4ec0 [ 318.238368] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.243470] ? __lock_acquire+0x7ec/0x4ec0 [ 318.247707] ? should_fail+0x22d/0xd01 [ 318.251606] ? mark_held_locks+0x130/0x130 [ 318.255860] ? mark_held_locks+0x130/0x130 [ 318.260110] ? graph_lock+0x170/0x170 [ 318.263913] ? graph_lock+0x170/0x170 [ 318.267717] ? graph_lock+0x170/0x170 [ 318.271522] ? print_usage_bug+0xc0/0xc0 [ 318.275585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.281125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.286667] ? check_preemption_disabled+0x48/0x200 [ 318.291683] ? check_preemption_disabled+0x48/0x200 [ 318.296709] ? __lock_is_held+0xb5/0x140 [ 318.300797] __alloc_pages_nodemask+0xa80/0xde0 [ 318.305469] ? graph_lock+0x170/0x170 [ 318.309278] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 318.314298] ? graph_lock+0x170/0x170 [ 318.318113] ? find_held_lock+0x36/0x1c0 [ 318.322189] ? ____cache_alloc_node+0x1c7/0x1e0 [ 318.326860] ? lock_downgrade+0x900/0x900 [ 318.331026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.336571] cache_grow_begin+0x91/0x8c0 [ 318.340638] ? do_raw_spin_unlock+0xa7/0x2f0 [ 318.345057] fallback_alloc+0x203/0x2e0 [ 318.349050] ____cache_alloc_node+0x1c7/0x1e0 [ 318.353556] kmem_cache_alloc_node+0xe3/0x730 [ 318.358059] ? ipv6_get_ifaddr+0x42e/0x620 [ 318.362308] __alloc_skb+0x119/0x770 [ 318.366032] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 318.371319] ? skb_scrub_packet+0x490/0x490 [ 318.375644] ? lock_downgrade+0x900/0x900 [ 318.379810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.385355] ? refcount_sub_and_test_checked+0x203/0x310 [ 318.390817] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 318.396272] ? addrconf_rs_timer+0x6f0/0x6f0 [ 318.400702] ndisc_alloc_skb+0x144/0x340 [ 318.404769] ndisc_send_rs+0x331/0x6e0 [ 318.408676] addrconf_rs_timer+0x3c0/0x6f0 [ 318.412926] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.417181] call_timer_fn+0x272/0x920 [ 318.421071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.425312] ? process_timeout+0x40/0x40 [ 318.429375] ? find_held_lock+0x36/0x1c0 [ 318.433444] ? mark_held_locks+0xc7/0x130 [ 318.437598] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.442095] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.446595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.450833] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 318.455422] ? trace_hardirqs_on+0xbd/0x310 [ 318.459743] ? kasan_check_read+0x11/0x20 [ 318.463900] ? __run_timers+0x7da/0xc70 [ 318.467879] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.473341] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.477585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.481820] __run_timers+0x7e5/0xc70 [ 318.485638] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 318.491014] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 318.496034] ? graph_lock+0x170/0x170 [ 318.499840] ? print_usage_bug+0xc0/0xc0 [ 318.503900] ? lock_release+0x970/0x970 [ 318.507876] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 318.513074] ? find_held_lock+0x36/0x1c0 [ 318.517146] ? graph_lock+0x170/0x170 [ 318.520951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.526491] ? check_preemption_disabled+0x48/0x200 [ 318.531518] ? __lock_is_held+0xb5/0x140 [ 318.535584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.541123] ? check_preemption_disabled+0x48/0x200 [ 318.546146] run_timer_softirq+0x52/0xb0 [ 318.550212] ? rcu_read_lock_sched_held+0x108/0x120 [ 318.555231] __do_softirq+0x30b/0xad8 [ 318.559075] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 318.564189] ? pvclock_read_flags+0x160/0x160 [ 318.568688] ? lapic_next_event+0x5a/0x90 [ 318.572838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.578377] ? check_preemption_disabled+0x48/0x200 [ 318.583395] ? check_preemption_disabled+0x48/0x200 [ 318.588422] ? kvm_clock_read+0x18/0x30 [ 318.592401] ? kvm_sched_clock_read+0x9/0x20 [ 318.596819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.602363] ? check_preemption_disabled+0x48/0x200 [ 318.607398] irq_exit+0x17f/0x1c0 [ 318.610857] smp_apic_timer_interrupt+0x1cb/0x760 [ 318.615706] ? smp_call_function_single_interrupt+0x650/0x650 [ 318.621593] ? interrupt_entry+0xb5/0xf0 [ 318.625661] ? trace_hardirqs_off_caller+0xbb/0x300 [ 318.630680] ? trace_hardirqs_off_caller+0xbb/0x300 [ 318.635701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.640571] ? trace_hardirqs_off+0x300/0x300 [ 318.645065] ? trace_hardirqs_off+0x300/0x300 [ 318.649563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.655104] ? check_preemption_disabled+0x48/0x200 [ 318.660122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.665669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.670562] apic_timer_interrupt+0xf/0x20 [ 318.674795] [ 318.677035] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 318.682404] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 318.701310] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 318.709023] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 318.716289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 318.723561] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 318.730831] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 318.738103] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 318.745392] ? page_evictable+0x35d/0x540 [ 318.749553] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 318.755094] page_evictable+0x36b/0x540 [ 318.759075] ? kswapd_stop+0x100/0x100 [ 318.762968] ? ___might_sleep+0x1ed/0x300 [ 318.767142] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.772596] ? arch_local_save_flags+0x40/0x40 [ 318.777184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.782724] ? check_preemption_disabled+0x48/0x200 [ 318.787753] shrink_active_list+0x845/0x1c20 [ 318.792173] ? free_unref_page_list+0xc0f/0x11e0 [ 318.796950] ? shrink_inactive_list+0x1c60/0x1c60 [ 318.801815] ? graph_lock+0x170/0x170 [ 318.805621] ? __page_frag_cache_drain+0x200/0x200 [ 318.810551] ? print_usage_bug+0xc0/0xc0 [ 318.814627] ? find_held_lock+0x36/0x1c0 [ 318.818692] ? graph_lock+0x170/0x170 [ 318.822495] ? mark_held_locks+0xc7/0x130 [ 318.826647] ? check_preemption_disabled+0x48/0x200 [ 318.831664] ? check_preemption_disabled+0x48/0x200 [ 318.836689] ? graph_lock+0x170/0x170 [ 318.840490] ? __lock_is_held+0xb5/0x140 [ 318.844553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.850092] ? check_preemption_disabled+0x48/0x200 [ 318.855124] ? __lock_is_held+0xb5/0x140 [ 318.859200] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 318.864219] ? inactive_list_is_low+0x305/0x880 [ 318.868898] ? lruvec_lru_size+0x450/0x450 [ 318.873131] ? kasan_check_read+0x11/0x20 [ 318.877293] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 318.882236] shrink_node_memcg+0x803/0x18e0 [ 318.886587] ? shrink_active_list+0x1c20/0x1c20 [ 318.891264] ? lockdep_hardirqs_on+0x421/0x5c0 [ 318.895853] ? trace_hardirqs_on+0xbd/0x310 [ 318.900181] ? vmpressure+0x294/0x310 [ 318.903988] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.909474] shrink_node+0x3bc/0x16b0 [ 318.913280] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 318.918586] ? shrink_node_memcg+0x18e0/0x18e0 [ 318.923170] ? lockdep_hardirqs_on+0x421/0x5c0 [ 318.927754] ? trace_hardirqs_on+0xbd/0x310 [ 318.932085] ? vmpressure+0x294/0x310 [ 318.935890] ? do_raw_spin_unlock+0xa7/0x2f0 [ 318.940306] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 318.944902] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 318.950446] ? __cpuset_node_allowed+0x19b/0x660 [ 318.955206] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 318.960922] ? vmpressure+0x1c9/0x310 [ 318.964735] do_try_to_free_pages+0x3e7/0x1290 [ 318.969344] ? shrink_node+0x16b0/0x16b0 [ 318.973410] ? __lock_is_held+0xb5/0x140 [ 318.977489] try_to_free_pages+0x4d0/0xb90 [ 318.981736] ? do_try_to_free_pages+0x1290/0x1290 [ 318.986583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.992134] ? lock_acquire+0x1ed/0x520 [ 318.996115] ? set_page_refcounted+0x280/0x280 [ 319.000704] ? lock_release+0x970/0x970 [ 319.004690] ? ___might_sleep+0x1ed/0x300 [ 319.008870] ? arch_local_save_flags+0x40/0x40 [ 319.013454] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 319.018477] ? __radix_tree_lookup+0x358/0x4c0 [ 319.023071] __alloc_pages_slowpath+0x993/0x2d80 [ 319.027852] ? kasan_check_read+0x11/0x20 [ 319.032013] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.037296] ? warn_alloc+0x120/0x120 [ 319.041101] ? __radix_tree_lookup+0x4c0/0x4c0 [ 319.045702] ? find_get_entry+0x2f2/0xc40 [ 319.049859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.055396] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 319.060330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.065873] ? should_fail+0x22d/0xd01 [ 319.069772] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.074883] ? __lock_is_held+0xb5/0x140 [ 319.078949] ? graph_lock+0x170/0x170 [ 319.082769] ? graph_lock+0x170/0x170 [ 319.086597] ? __lock_is_held+0xb5/0x140 [ 319.090666] ? __lock_acquire+0x7ec/0x4ec0 [ 319.094910] ? ___might_sleep+0x1ed/0x300 [ 319.099092] ? lock_release+0x970/0x970 [ 319.103070] ? arch_local_save_flags+0x40/0x40 [ 319.107670] ? __might_sleep+0x95/0x190 [ 319.111654] __alloc_pages_nodemask+0xa80/0xde0 [ 319.116345] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 319.121369] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.127167] ? kasan_check_read+0x11/0x20 [ 319.131491] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.136773] ? graph_lock+0x170/0x170 [ 319.140582] ? print_usage_bug+0xc0/0xc0 [ 319.144650] ? graph_lock+0x170/0x170 [ 319.148454] ? graph_lock+0x170/0x170 [ 319.152257] ? __do_page_cache_readahead+0x7ce/0x980 [ 319.157370] ? find_held_lock+0x36/0x1c0 [ 319.161437] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 319.166981] alloc_pages_current+0x10c/0x210 [ 319.171401] ? lock_downgrade+0x900/0x900 [ 319.175555] __page_cache_alloc+0x38f/0x5b0 [ 319.179893] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.185704] ? kasan_check_read+0x11/0x20 [ 319.189856] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.195138] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 319.199818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.205357] ? check_preemption_disabled+0x48/0x200 [ 319.210388] filemap_fault+0x1594/0x25f0 [ 319.214477] ? __lock_page_or_retry+0xa00/0xa00 [ 319.219154] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.224963] ? kasan_check_read+0x11/0x20 [ 319.229151] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.234433] ? rcu_bh_qs+0xc0/0xc0 [ 319.237982] ? print_usage_bug+0xc0/0xc0 [ 319.242059] ? filemap_map_pages+0xdea/0x1980 [ 319.246564] ? print_usage_bug+0xc0/0xc0 [ 319.250638] ? find_get_pages_range_tag+0x1320/0x1320 [ 319.255834] ? print_usage_bug+0xc0/0xc0 [ 319.259894] ? __lock_acquire+0x7ec/0x4ec0 [ 319.264133] ? graph_lock+0x170/0x170 [ 319.267942] ? __sigqueue_free.part.27+0x7d/0xa0 [ 319.272720] ? __lock_acquire+0x7ec/0x4ec0 [ 319.276973] ? lock_acquire+0x1ed/0x520 [ 319.280961] ? ext4_filemap_fault+0x7a/0xad [ 319.285309] ? lock_release+0x970/0x970 [ 319.289289] ? arch_local_save_flags+0x40/0x40 [ 319.293879] ? mark_held_locks+0x130/0x130 [ 319.298134] ? down_read+0xb0/0x1d0 [ 319.301763] ? ext4_filemap_fault+0x7a/0xad [ 319.306093] ? __down_interruptible+0x700/0x700 [ 319.310768] ? graph_lock+0x170/0x170 [ 319.314581] ? __sigqueue_free.part.27+0x7d/0xa0 [ 319.319378] ext4_filemap_fault+0x82/0xad [ 319.323535] __do_fault+0x100/0x6b0 [ 319.327165] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.332445] ? print_bad_pte+0x6c0/0x6c0 [ 319.336513] ? pmd_val+0x88/0x100 [ 319.339967] ? add_mm_counter_fast+0xd0/0xd0 [ 319.344387] ? pmd_val+0x88/0x100 [ 319.347857] ? add_mm_counter_fast+0xd0/0xd0 [ 319.352287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.357847] __handle_mm_fault+0x3709/0x53e0 [ 319.362269] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 319.367119] ? graph_lock+0x170/0x170 [ 319.370922] ? print_usage_bug+0xc0/0xc0 [ 319.374985] ? graph_lock+0x170/0x170 [ 319.378800] ? graph_lock+0x170/0x170 [ 319.382622] ? handle_mm_fault+0x42a/0xc70 [ 319.386858] ? lock_downgrade+0x900/0x900 [ 319.391017] ? check_preemption_disabled+0x48/0x200 [ 319.396043] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.401838] ? kasan_check_read+0x11/0x20 [ 319.405987] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.411279] ? rcu_bh_qs+0xc0/0xc0 [ 319.414825] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.420278] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.425820] ? check_preemption_disabled+0x48/0x200 [ 319.430847] handle_mm_fault+0x54f/0xc70 [ 319.434918] ? __handle_mm_fault+0x53e0/0x53e0 [ 319.439506] ? find_vma+0x34/0x190 [ 319.443058] __do_page_fault+0x67d/0xed0 [ 319.447135] ? mm_fault_error+0x380/0x380 [ 319.451295] ? syscall_slow_exit_work+0x520/0x520 [ 319.456146] do_page_fault+0xf2/0x7e0 [ 319.459951] ? vmalloc_sync_all+0x30/0x30 [ 319.464109] ? error_entry+0x70/0xd0 [ 319.467827] ? trace_hardirqs_off_caller+0xbb/0x300 [ 319.472844] ? trace_hardirqs_on_caller+0xc0/0x300 [ 319.477810] ? syscall_return_slowpath+0x5e0/0x5e0 [ 319.482743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.487591] ? trace_hardirqs_off+0x300/0x300 [ 319.492088] ? trace_hardirqs_off_caller+0x300/0x300 [ 319.497199] ? prepare_exit_to_usermode+0x291/0x3b0 [ 319.502218] ? page_fault+0x8/0x30 [ 319.505763] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.510616] ? page_fault+0x8/0x30 [ 319.514176] page_fault+0x1e/0x30 [ 319.517640] RIP: 0033:0x45db60 [ 319.520836] Code: Bad RIP value. [ 319.524201] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 319.529566] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 319.536833] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 319.544104] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 319.551371] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 319.558638] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 319.565931] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 319.565934] Mem-Info: [ 319.565967] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 319.565967] active_file:15 inactive_file:16 isolated_file:2 [ 319.565967] unevictable:0 dirty:0 writeback:0 unstable:0 [ 319.565967] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 319.565967] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 319.565967] free:13788 free_pcp:262 free_cma:0 [ 319.573123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.575563] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 319.608404] Call Trace: [ 319.617743] Node 0 [ 319.645402] [ 319.648004] 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 [ 319.650211] dump_stack+0x1c4/0x2b4 [ 319.652334] lowmem_reserve[]: [ 319.677831] ? dump_stack_print_info.cold.2+0x52/0x52 [ 319.681434] 0 [ 319.684543] warn_alloc.cold.118+0xb7/0x1bd [ 319.689696] 2815 [ 319.691492] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 319.695788] 6318 6318 [ 319.697859] ? lock_downgrade+0x900/0x900 [ 319.705172] ? trace_hardirqs_off+0xb8/0x300 [ 319.709286] Node 0 DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 319.713699] ? trace_hardirqs_off+0xb8/0x300 [ 319.741258] lowmem_reserve[]: 0 0 3503 [ 319.745693] __alloc_pages_slowpath+0x2667/0x2d80 [ 319.745736] ? warn_alloc+0x120/0x120 [ 319.749574] 3503 [ 319.754408] ? trace_hardirqs_on+0x310/0x310 [ 319.760237] ? warn_alloc+0x120/0x120 [ 319.764621] Node 0 [ 319.768432] ? print_usage_bug+0xc0/0xc0 [ 319.768464] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 319.768472] lowmem_reserve[]: [ 319.770708] ? warn_alloc+0x120/0x120 [ 319.774747] 0 [ 319.803105] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 319.803121] ? print_usage_bug+0xc0/0xc0 [ 319.806202] 0 [ 319.810015] ? __lock_acquire+0x7ec/0x4ec0 [ 319.811800] 0 [ 319.816809] ? __lock_acquire+0x7ec/0x4ec0 [ 319.820844] 0 [ 319.822648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.826870] Node 0 [ 319.828667] ? should_fail+0x22d/0xd01 [ 319.833158] DMA: 1*4kB [ 319.834973] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.840480] (U) [ 319.842714] ? __lock_acquire+0x7ec/0x4ec0 [ 319.846576] 0*8kB [ 319.849157] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.854236] 0*16kB [ 319.856203] ? __lock_acquire+0x7ec/0x4ec0 [ 319.860407] 1*32kB (U) [ 319.862563] ? should_fail+0x22d/0xd01 [ 319.867642] 2*64kB [ 319.869871] ? print_usage_bug+0xc0/0xc0 [ 319.874084] (U) [ 319.876669] ? mark_held_locks+0x130/0x130 [ 319.880527] 1*128kB [ 319.882755] ? mark_held_locks+0x130/0x130 [ 319.886801] (U) [ 319.888778] ? graph_lock+0x170/0x170 [ 319.892989] 1*256kB [ 319.895313] ? print_usage_bug+0xc0/0xc0 [ 319.899521] (U) [ 319.901497] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 319.905266] 0*512kB [ 319.907599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.911632] 1*1024kB [ 319.913606] ? check_preemption_disabled+0x48/0x200 [ 319.918334] (U) [ 319.920651] ? check_preemption_disabled+0x48/0x200 [ 319.926168] 1*2048kB [ 319.928583] ? __lock_is_held+0xb5/0x140 [ 319.933565] (M) [ 319.935538] __alloc_pages_nodemask+0xa80/0xde0 [ 319.940525] 3*4096kB [ 319.942928] ? graph_lock+0x170/0x170 [ 319.946966] (M) [ 319.948942] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 319.953580] = 15908kB [ 319.953588] Node 0 [ 319.956004] ? graph_lock+0x170/0x170 [ 319.959784] DMA32: [ 319.961948] ? find_held_lock+0x36/0x1c0 [ 319.966939] 3*4kB [ 319.969351] ? ____cache_alloc_node+0x1c7/0x1e0 [ 319.971561] (M) [ 319.975357] ? lock_downgrade+0x900/0x900 [ 319.977571] 2*8kB [ 319.981632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.983755] (M) [ 319.988436] cache_grow_begin+0x91/0x8c0 [ 319.990388] 1*16kB [ 319.994528] ? do_raw_spin_unlock+0xa7/0x2f0 [ 319.996650] (M) [ 320.002185] fallback_alloc+0x203/0x2e0 [ 320.004133] 1*32kB (M) [ 320.008200] ____cache_alloc_node+0x1c7/0x1e0 [ 320.010419] 3*64kB (UM) [ 320.014831] kmem_cache_alloc_node+0xe3/0x730 [ 320.016785] 3*128kB [ 320.020763] ? ipv6_get_ifaddr+0x42e/0x620 [ 320.023323] (M) [ 320.027821] __alloc_skb+0x119/0x770 [ 320.030463] 2*256kB [ 320.034957] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.037247] (M) [ 320.041478] ? skb_scrub_packet+0x490/0x490 [ 320.043432] 3*512kB [ 320.047139] ? lock_downgrade+0x900/0x900 [ 320.049437] (M) [ 320.054709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.056655] 4*1024kB (UM) [ 320.060979] ? refcount_sub_and_test_checked+0x203/0x310 [ 320.063276] 3*2048kB [ 320.067422] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 320.069371] (UM) [ 320.074902] ? addrconf_rs_timer+0x6f0/0x6f0 [ 320.077723] 3*4096kB [ 320.083173] ndisc_alloc_skb+0x144/0x340 [ 320.085551] (M) [ 320.091003] ndisc_send_rs+0x331/0x6e0 [ 320.093045] = 25228kB [ 320.097450] addrconf_rs_timer+0x3c0/0x6f0 [ 320.099832] Node 0 [ 320.103892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.105846] Normal: [ 320.109737] call_timer_fn+0x272/0x920 [ 320.112115] 866*4kB [ 320.116340] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.118552] (ME) [ 320.122781] ? process_timeout+0x40/0x40 [ 320.125084] 469*8kB [ 320.128978] ? find_held_lock+0x36/0x1c0 [ 320.131276] (UME) [ 320.135515] ? __run_timers+0x7da/0xc70 [ 320.137552] 197*16kB [ 320.141608] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.143906] (UME) [ 320.147962] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.150088] 59*32kB [ 320.154056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.156442] (UME) [ 320.160933] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 320.163051] 18*64kB (ME) [ 320.167550] ? trace_hardirqs_on+0xbd/0x310 [ 320.169849] 3*128kB [ 320.174080] ? kasan_check_read+0x11/0x20 [ 320.176205] (M) [ 320.180779] ? __run_timers+0x7da/0xc70 [ 320.183520] 1*256kB [ 320.187837] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.190135] (U) [ 320.194284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.196230] 0*512kB [ 320.200201] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.202499] 0*1024kB [ 320.207939] __run_timers+0x7e5/0xc70 [ 320.209891] 0*2048kB [ 320.214127] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 320.216416] 0*4096kB [ 320.220644] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 320.223030] = 14048kB [ 320.226824] ? graph_lock+0x170/0x170 [ 320.229236] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 320.234583] ? enqueue_hrtimer+0x1a5/0x560 [ 320.236979] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 320.241986] ? lock_release+0x970/0x970 [ 320.244384] 412 total pagecache pages [ 320.248177] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 320.257001] 0 pages in swap cache [ 320.261223] ? find_held_lock+0x36/0x1c0 [ 320.269770] Swap cache stats: add 0, delete 0, find 0/0 [ 320.269784] Free swap = 0kB [ 320.273745] ? graph_lock+0x170/0x170 [ 320.277525] Total swap = 0kB [ 320.282710] ? pvclock_read_flags+0x160/0x160 [ 320.286142] 1965979 pages RAM [ 320.290200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.295536] 0 pages HighMem/MovableOnly [ 320.298550] ? check_preemption_disabled+0x48/0x200 [ 320.302326] 343323 pages reserved [ 320.305347] ? __lock_is_held+0xb5/0x140 [ 320.309812] 0 pages cma reserved [ 320.312914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.318497] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 320.322389] ? check_preemption_disabled+0x48/0x200 [ 320.327486] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 320.330835] run_timer_softirq+0x52/0xb0 [ 320.334864] syz-fuzzer cpuset= [ 320.338228] ? rcu_read_lock_sched_held+0x108/0x120 [ 320.343735] / [ 320.350223] __do_softirq+0x30b/0xad8 [ 320.355217] mems_allowed=0 [ 320.365435] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 320.391134] ? pvclock_read_flags+0x160/0x160 [ 320.395630] ? lapic_next_event+0x5a/0x90 [ 320.399783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.405326] ? check_preemption_disabled+0x48/0x200 [ 320.410346] ? check_preemption_disabled+0x48/0x200 [ 320.415371] ? kvm_clock_read+0x18/0x30 [ 320.419346] ? kvm_sched_clock_read+0x9/0x20 [ 320.423763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.429306] ? check_preemption_disabled+0x48/0x200 [ 320.434339] irq_exit+0x17f/0x1c0 [ 320.437801] smp_apic_timer_interrupt+0x1cb/0x760 [ 320.442659] ? smp_reschedule_interrupt+0x109/0x650 [ 320.447679] ? smp_call_function_single_interrupt+0x650/0x650 [ 320.453566] ? interrupt_entry+0xb5/0xf0 [ 320.457635] ? trace_hardirqs_off_caller+0xbb/0x300 [ 320.462652] ? trace_hardirqs_off_caller+0xbb/0x300 [ 320.467672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.472517] ? trace_hardirqs_off+0x300/0x300 [ 320.477035] ? trace_hardirqs_off+0x300/0x300 [ 320.481537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.487079] ? check_preemption_disabled+0x48/0x200 [ 320.492096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.497646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.502499] apic_timer_interrupt+0xf/0x20 [ 320.506729] [ 320.508970] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 320.513924] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 320.532827] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 320.540537] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 320.547803] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 320.555084] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 320.562349] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 320.569615] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 320.576923] skb_clone+0x1bb/0x500 [ 320.580734] ? skb_split+0x11e0/0x11e0 [ 320.584632] ? dev_forward_skb+0x4c/0x60 [ 320.588697] ? __bpf_redirect+0x54b/0xb20 [ 320.592849] ? __switch_to_asm+0x34/0x70 [ 320.596922] bpf_clone_redirect+0xb9/0x490 [ 320.601169] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 320.606191] ? __sched_text_start+0x8/0x8 [ 320.610347] ? lockdep_hardirqs_on+0x421/0x5c0 [ 320.614929] ? retint_kernel+0x2d/0x2d [ 320.618818] ? trace_hardirqs_on_caller+0xc0/0x300 [ 320.623752] ? find_held_lock+0x36/0x1c0 [ 320.627826] ? lock_acquire+0x1ed/0x520 [ 320.631800] ? bpf_test_run+0x32e/0x5a0 [ 320.635780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.641323] ? check_preemption_disabled+0x48/0x200 [ 320.646345] ? kasan_check_read+0x11/0x20 [ 320.650501] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.655779] ? rcu_bh_qs+0xc0/0xc0 [ 320.659326] ? preempt_schedule+0x4d/0x60 [ 320.663476] ? ___preempt_schedule+0x16/0x18 [ 320.667894] ? bpf_test_run+0x1c0/0x5a0 [ 320.671884] ? netlink_diag_dump+0x2a0/0x2a0 [ 320.676303] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.681842] ? bpf_test_init.isra.9+0x70/0x100 [ 320.686432] ? bpf_prog_test_run_skb+0x634/0xb40 [ 320.691200] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 320.696044] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 320.701587] ? fput+0x130/0x1a0 [ 320.704872] ? __bpf_prog_get+0x9b/0x290 [ 320.708938] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 320.713781] ? bpf_prog_test_run+0x130/0x1a0 [ 320.718195] ? __x64_sys_bpf+0x3d8/0x510 [ 320.722257] ? bpf_prog_get+0x20/0x20 [ 320.726070] ? ksys_ioctl+0x81/0xd0 [ 320.729712] ? do_syscall_64+0x1b9/0x820 [ 320.733778] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 320.739145] ? syscall_return_slowpath+0x5e0/0x5e0 [ 320.744078] ? trace_hardirqs_off+0x300/0x300 [ 320.748581] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 320.753602] ? recalc_sigpending_tsk+0x180/0x180 [ 320.758361] ? kasan_check_write+0x14/0x20 [ 320.762603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.767453] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 320.772840] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 320.772930] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 320.779762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.779767] Call Trace: [ 320.779775] [ 320.779799] dump_stack+0x1c4/0x2b4 [ 320.779816] ? dump_stack_print_info.cold.2+0x52/0x52 [ 320.786357] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 320.795654] warn_alloc.cold.118+0xb7/0x1bd [ 320.798209] syz-executor0 cpuset= [ 320.800353] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 320.803953] syz0 [ 320.809140] ? lock_downgrade+0x900/0x900 [ 320.819602] mems_allowed=0 [ 320.823918] ? trace_hardirqs_off+0xb8/0x300 [ 320.845582] ? trace_hardirqs_off+0xb8/0x300 [ 320.850012] __alloc_pages_slowpath+0x2667/0x2d80 [ 320.854891] ? warn_alloc+0x120/0x120 [ 320.858695] ? trace_hardirqs_on+0x310/0x310 [ 320.863108] ? warn_alloc+0x120/0x120 [ 320.866917] ? print_usage_bug+0xc0/0xc0 [ 320.870980] ? warn_alloc+0x120/0x120 [ 320.874793] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 320.879811] ? print_usage_bug+0xc0/0xc0 [ 320.883880] ? __lock_acquire+0x7ec/0x4ec0 [ 320.888117] ? __lock_acquire+0x7ec/0x4ec0 [ 320.892353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.897893] ? should_fail+0x22d/0xd01 [ 320.901793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.906898] ? __lock_acquire+0x7ec/0x4ec0 [ 320.911144] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.916250] ? __lock_acquire+0x7ec/0x4ec0 [ 320.920486] ? should_fail+0x22d/0xd01 [ 320.924375] ? print_usage_bug+0xc0/0xc0 [ 320.928449] ? mark_held_locks+0x130/0x130 [ 320.932687] ? mark_held_locks+0x130/0x130 [ 320.937109] ? graph_lock+0x170/0x170 [ 320.940908] ? print_usage_bug+0xc0/0xc0 [ 320.944975] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 320.949747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.955290] ? check_preemption_disabled+0x48/0x200 [ 320.960308] ? check_preemption_disabled+0x48/0x200 [ 320.965341] ? __lock_is_held+0xb5/0x140 [ 320.969417] __alloc_pages_nodemask+0xa80/0xde0 [ 320.974091] ? graph_lock+0x170/0x170 [ 320.977901] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 320.982915] ? graph_lock+0x170/0x170 [ 320.986726] ? find_held_lock+0x36/0x1c0 [ 320.990806] ? ____cache_alloc_node+0x1c7/0x1e0 [ 320.995477] ? lock_downgrade+0x900/0x900 [ 320.999640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.005188] cache_grow_begin+0x91/0x8c0 [ 321.009252] ? do_raw_spin_unlock+0xa7/0x2f0 [ 321.013676] fallback_alloc+0x203/0x2e0 [ 321.017663] ____cache_alloc_node+0x1c7/0x1e0 [ 321.022166] kmem_cache_alloc_node+0xe3/0x730 [ 321.026668] ? ipv6_get_ifaddr+0x42e/0x620 [ 321.030921] __alloc_skb+0x119/0x770 [ 321.034665] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.039948] ? skb_scrub_packet+0x490/0x490 [ 321.044271] ? lock_downgrade+0x900/0x900 [ 321.048432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.053977] ? refcount_sub_and_test_checked+0x203/0x310 [ 321.059446] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 321.064901] ? addrconf_rs_timer+0x6f0/0x6f0 [ 321.069326] ndisc_alloc_skb+0x144/0x340 [ 321.073395] ndisc_send_rs+0x331/0x6e0 [ 321.077293] addrconf_rs_timer+0x3c0/0x6f0 [ 321.081540] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.085798] call_timer_fn+0x272/0x920 [ 321.089690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.093929] ? process_timeout+0x40/0x40 [ 321.097988] ? find_held_lock+0x36/0x1c0 [ 321.102069] ? mark_held_locks+0xc7/0x130 [ 321.106225] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.110721] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.115221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.119459] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 321.124048] ? trace_hardirqs_on+0xbd/0x310 [ 321.128367] ? kasan_check_read+0x11/0x20 [ 321.132519] ? __run_timers+0x7da/0xc70 [ 321.136495] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.141951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.146193] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.150432] __run_timers+0x7e5/0xc70 [ 321.154249] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 321.159621] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 321.164638] ? graph_lock+0x170/0x170 [ 321.168446] ? print_usage_bug+0xc0/0xc0 [ 321.172510] ? lock_release+0x970/0x970 [ 321.176487] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 321.181684] ? find_held_lock+0x36/0x1c0 [ 321.185753] ? graph_lock+0x170/0x170 [ 321.189563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.195103] ? check_preemption_disabled+0x48/0x200 [ 321.200132] ? __lock_is_held+0xb5/0x140 [ 321.204198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.209736] ? check_preemption_disabled+0x48/0x200 [ 321.214764] run_timer_softirq+0x52/0xb0 [ 321.218833] ? rcu_read_lock_sched_held+0x108/0x120 [ 321.223854] __do_softirq+0x30b/0xad8 [ 321.227671] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 321.232788] ? pvclock_read_flags+0x160/0x160 [ 321.237289] ? lapic_next_event+0x5a/0x90 [ 321.241439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.246979] ? check_preemption_disabled+0x48/0x200 [ 321.252007] ? check_preemption_disabled+0x48/0x200 [ 321.257038] ? kvm_clock_read+0x18/0x30 [ 321.261037] ? kvm_sched_clock_read+0x9/0x20 [ 321.265455] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.271002] ? check_preemption_disabled+0x48/0x200 [ 321.276040] irq_exit+0x17f/0x1c0 [ 321.279498] smp_apic_timer_interrupt+0x1cb/0x760 [ 321.284345] ? smp_call_function_single_interrupt+0x650/0x650 [ 321.290233] ? interrupt_entry+0xb5/0xf0 [ 321.294301] ? trace_hardirqs_off_caller+0xbb/0x300 [ 321.299322] ? trace_hardirqs_off_caller+0xbb/0x300 [ 321.304340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.309189] ? trace_hardirqs_off+0x300/0x300 [ 321.313683] ? trace_hardirqs_off+0x300/0x300 [ 321.318181] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.323722] ? check_preemption_disabled+0x48/0x200 [ 321.328737] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.334321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.339175] apic_timer_interrupt+0xf/0x20 [ 321.343408] [ 321.345646] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 321.351020] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 321.369921] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 321.377637] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 321.384907] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 321.392177] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 321.399445] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 321.406714] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 321.414011] ? page_evictable+0x35d/0x540 [ 321.418172] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 321.423712] page_evictable+0x36b/0x540 [ 321.427692] ? kswapd_stop+0x100/0x100 [ 321.431589] ? ___might_sleep+0x1ed/0x300 [ 321.435739] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.441195] ? arch_local_save_flags+0x40/0x40 [ 321.445791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.451333] ? check_preemption_disabled+0x48/0x200 [ 321.456362] shrink_active_list+0x845/0x1c20 [ 321.460783] ? free_unref_page_list+0xc0f/0x11e0 [ 321.465559] ? shrink_inactive_list+0x1c60/0x1c60 [ 321.470425] ? graph_lock+0x170/0x170 [ 321.474230] ? __page_frag_cache_drain+0x200/0x200 [ 321.479162] ? print_usage_bug+0xc0/0xc0 [ 321.483241] ? find_held_lock+0x36/0x1c0 [ 321.487310] ? graph_lock+0x170/0x170 [ 321.491115] ? mark_held_locks+0xc7/0x130 [ 321.495268] ? check_preemption_disabled+0x48/0x200 [ 321.500284] ? check_preemption_disabled+0x48/0x200 [ 321.505313] ? graph_lock+0x170/0x170 [ 321.509120] ? __lock_is_held+0xb5/0x140 [ 321.513186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.518728] ? check_preemption_disabled+0x48/0x200 [ 321.523761] ? __lock_is_held+0xb5/0x140 [ 321.527841] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 321.532863] ? inactive_list_is_low+0x305/0x880 [ 321.537541] ? lruvec_lru_size+0x450/0x450 [ 321.541777] ? kasan_check_read+0x11/0x20 [ 321.545941] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 321.550882] shrink_node_memcg+0x803/0x18e0 [ 321.555224] ? shrink_active_list+0x1c20/0x1c20 [ 321.559906] ? lockdep_hardirqs_on+0x421/0x5c0 [ 321.564497] ? trace_hardirqs_on+0xbd/0x310 [ 321.568826] ? vmpressure+0x294/0x310 [ 321.572630] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.578109] shrink_node+0x3bc/0x16b0 [ 321.581916] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 321.587221] ? shrink_node_memcg+0x18e0/0x18e0 [ 321.591809] ? lockdep_hardirqs_on+0x421/0x5c0 [ 321.596395] ? trace_hardirqs_on+0xbd/0x310 [ 321.600719] ? vmpressure+0x294/0x310 [ 321.604523] ? do_raw_spin_unlock+0xa7/0x2f0 [ 321.608938] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 321.613528] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 321.619066] ? __cpuset_node_allowed+0x19b/0x660 [ 321.623830] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 321.629542] ? vmpressure+0x1c9/0x310 [ 321.633356] do_try_to_free_pages+0x3e7/0x1290 [ 321.637959] ? shrink_node+0x16b0/0x16b0 [ 321.642029] ? __lock_is_held+0xb5/0x140 [ 321.646108] try_to_free_pages+0x4d0/0xb90 [ 321.650352] ? do_try_to_free_pages+0x1290/0x1290 [ 321.655197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.660792] ? lock_acquire+0x1ed/0x520 [ 321.664797] ? set_page_refcounted+0x280/0x280 [ 321.669390] ? lock_release+0x970/0x970 [ 321.673375] ? ___might_sleep+0x1ed/0x300 [ 321.677528] ? arch_local_save_flags+0x40/0x40 [ 321.682116] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 321.687140] ? __radix_tree_lookup+0x358/0x4c0 [ 321.691765] __alloc_pages_slowpath+0x993/0x2d80 [ 321.696554] ? kasan_check_read+0x11/0x20 [ 321.700707] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.705984] ? warn_alloc+0x120/0x120 [ 321.709799] ? __radix_tree_lookup+0x4c0/0x4c0 [ 321.714398] ? find_get_entry+0x2f2/0xc40 [ 321.718558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.724102] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 321.729044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.734586] ? should_fail+0x22d/0xd01 [ 321.738483] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.743591] ? __lock_is_held+0xb5/0x140 [ 321.747651] ? graph_lock+0x170/0x170 [ 321.751454] ? graph_lock+0x170/0x170 [ 321.755278] ? __lock_is_held+0xb5/0x140 [ 321.759352] ? __lock_acquire+0x7ec/0x4ec0 [ 321.763594] ? ___might_sleep+0x1ed/0x300 [ 321.767742] ? lock_release+0x970/0x970 [ 321.771722] ? arch_local_save_flags+0x40/0x40 [ 321.776319] ? __might_sleep+0x95/0x190 [ 321.780303] __alloc_pages_nodemask+0xa80/0xde0 [ 321.784982] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 321.790021] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 321.795830] ? kasan_check_read+0x11/0x20 [ 321.799982] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.805270] ? graph_lock+0x170/0x170 [ 321.809087] ? print_usage_bug+0xc0/0xc0 [ 321.813151] ? graph_lock+0x170/0x170 [ 321.816951] ? graph_lock+0x170/0x170 [ 321.820753] ? __do_page_cache_readahead+0x7ce/0x980 [ 321.825869] ? find_held_lock+0x36/0x1c0 [ 321.830189] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 321.835738] alloc_pages_current+0x10c/0x210 [ 321.840149] ? lock_downgrade+0x900/0x900 [ 321.844303] __page_cache_alloc+0x38f/0x5b0 [ 321.848630] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 321.854428] ? kasan_check_read+0x11/0x20 [ 321.858583] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.863864] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 321.868539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.874081] ? check_preemption_disabled+0x48/0x200 [ 321.879106] filemap_fault+0x1594/0x25f0 [ 321.883188] ? __lock_page_or_retry+0xa00/0xa00 [ 321.887858] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 321.893658] ? kasan_check_read+0x11/0x20 [ 321.897814] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.903097] ? rcu_bh_qs+0xc0/0xc0 [ 321.906645] ? print_usage_bug+0xc0/0xc0 [ 321.910715] ? filemap_map_pages+0xdea/0x1980 [ 321.915222] ? print_usage_bug+0xc0/0xc0 [ 321.919295] ? find_get_pages_range_tag+0x1320/0x1320 [ 321.924489] ? print_usage_bug+0xc0/0xc0 [ 321.928554] ? __lock_acquire+0x7ec/0x4ec0 [ 321.932798] ? graph_lock+0x170/0x170 [ 321.936606] ? __sigqueue_free.part.27+0x7d/0xa0 [ 321.941369] ? __lock_acquire+0x7ec/0x4ec0 [ 321.945621] ? lock_acquire+0x1ed/0x520 [ 321.949600] ? ext4_filemap_fault+0x7a/0xad [ 321.953928] ? lock_release+0x970/0x970 [ 321.957904] ? arch_local_save_flags+0x40/0x40 [ 321.963018] ? mark_held_locks+0x130/0x130 [ 321.967270] ? down_read+0xb0/0x1d0 [ 321.970897] ? ext4_filemap_fault+0x7a/0xad [ 321.975221] ? __down_interruptible+0x700/0x700 [ 321.979895] ? graph_lock+0x170/0x170 [ 321.983702] ? __sigqueue_free.part.27+0x7d/0xa0 [ 321.988472] ext4_filemap_fault+0x82/0xad [ 321.992626] __do_fault+0x100/0x6b0 [ 321.996256] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.001538] ? print_bad_pte+0x6c0/0x6c0 [ 322.005605] ? pmd_val+0x88/0x100 [ 322.009062] ? add_mm_counter_fast+0xd0/0xd0 [ 322.014137] ? pmd_val+0x88/0x100 [ 322.017610] ? add_mm_counter_fast+0xd0/0xd0 [ 322.022037] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.027593] __handle_mm_fault+0x3709/0x53e0 [ 322.032026] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 322.036876] ? graph_lock+0x170/0x170 [ 322.040685] ? print_usage_bug+0xc0/0xc0 [ 322.044750] ? graph_lock+0x170/0x170 [ 322.048556] ? graph_lock+0x170/0x170 [ 322.052393] ? handle_mm_fault+0x42a/0xc70 [ 322.056630] ? lock_downgrade+0x900/0x900 [ 322.060785] ? check_preemption_disabled+0x48/0x200 [ 322.065816] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 322.071612] ? kasan_check_read+0x11/0x20 [ 322.075805] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.081086] ? rcu_bh_qs+0xc0/0xc0 [ 322.084629] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.090091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.095630] ? check_preemption_disabled+0x48/0x200 [ 322.100656] handle_mm_fault+0x54f/0xc70 [ 322.104726] ? __handle_mm_fault+0x53e0/0x53e0 [ 322.109312] ? find_vma+0x34/0x190 [ 322.112861] __do_page_fault+0x67d/0xed0 [ 322.116931] ? mm_fault_error+0x380/0x380 [ 322.121091] ? syscall_slow_exit_work+0x520/0x520 [ 322.125940] do_page_fault+0xf2/0x7e0 [ 322.129744] ? vmalloc_sync_all+0x30/0x30 [ 322.133902] ? error_entry+0x70/0xd0 [ 322.137620] ? trace_hardirqs_off_caller+0xbb/0x300 [ 322.142634] ? trace_hardirqs_on_caller+0xc0/0x300 [ 322.147566] ? syscall_return_slowpath+0x5e0/0x5e0 [ 322.152496] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.157341] ? trace_hardirqs_off+0x300/0x300 [ 322.161835] ? trace_hardirqs_off_caller+0x300/0x300 [ 322.166946] ? prepare_exit_to_usermode+0x291/0x3b0 [ 322.171963] ? page_fault+0x8/0x30 [ 322.175518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.180367] ? page_fault+0x8/0x30 [ 322.183909] page_fault+0x1e/0x30 [ 322.187365] RIP: 0033:0x45db60 [ 322.190565] Code: Bad RIP value. [ 322.193931] RSP: 002b:000000c420057ab8 EFLAGS: 00010246 [ 322.199295] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89 [ 322.206563] RDX: 000000c420057ac0 RSI: 000000c420057bf0 RDI: 0000000000000011 [ 322.213831] RBP: 000000c420033e90 R08: 0000000000000003 R09: 000000c420000d80 [ 322.221101] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c425e49dd8 [ 322.228369] R13: 000000000000000f R14: 0000000000b79720 R15: ffffffffffffffff [ 322.235669] CPU: 0 PID: 7087 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #94 [ 322.235675] warn_alloc_show_mem: 1 callbacks suppressed [ 322.235683] Mem-Info: [ 322.242871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.248238] active_anon:41015 inactive_anon:371 isolated_anon:0 [ 322.248238] active_file:15 inactive_file:16 isolated_file:2 [ 322.248238] unevictable:0 dirty:0 writeback:0 unstable:0 [ 322.248238] slab_reclaimable:8542 slab_unreclaimable:1483152 [ 322.248238] mapped:41147 shmem:379 pagetables:605 bounce:0 [ 322.248238] free:13788 free_pcp:262 free_cma:0 [ 322.250613] Call Trace: [ 322.260011] Node 0 active_anon:164060kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:164588kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 322.292856] [ 322.295427] Node 0 [ 322.323134] dump_stack+0x1c4/0x2b4 [ 322.325283] 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 [ 322.327492] ? dump_stack_print_info.cold.2+0x52/0x52 [ 322.331093] lowmem_reserve[]: [ 322.356617] warn_alloc.cold.118+0xb7/0x1bd [ 322.361767] 0 2815 [ 322.364882] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 322.369179] 6318 [ 322.371417] ? lock_downgrade+0x900/0x900 [ 322.376228] 6318 [ 322.378309] ? trace_hardirqs_off+0xb8/0x300 [ 322.382420] Node 0 [ 322.384481] ? trace_hardirqs_off+0xb8/0x300 [ 322.388891] DMA32 free:25228kB min:30036kB low:37544kB high:45052kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2887244kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 322.391104] __alloc_pages_slowpath+0x2667/0x2d80 [ 322.395483] lowmem_reserve[]: [ 322.422490] ? warn_alloc+0x120/0x120 [ 322.427291] 0 [ 322.430389] ? warn_alloc+0x120/0x120 [ 322.434164] 0 [ 322.435961] ? print_usage_bug+0xc0/0xc0 [ 322.439736] 3503 [ 322.441532] ? warn_alloc+0x120/0x120 [ 322.445566] 3503 [ 322.447636] ? print_usage_bug+0xc0/0xc0 [ 322.451411] Node 0 [ 322.453469] ? __lock_acquire+0x7ec/0x4ec0 [ 322.457529] Normal free:14016kB min:37376kB low:46720kB high:56064kB active_anon:162012kB inactive_anon:1484kB active_file:60kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5184kB pagetables:2420kB bounce:0kB free_pcp:800kB local_pcp:332kB free_cma:0kB [ 322.459731] ? __lock_acquire+0x7ec/0x4ec0 [ 322.463943] lowmem_reserve[]: [ 322.492317] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.496524] 0 [ 322.499627] ? should_fail+0x22d/0xd01 [ 322.505140] 0 [ 322.506936] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.510800] 0 [ 322.512600] ? __lock_acquire+0x7ec/0x4ec0 [ 322.517675] 0 [ 322.519472] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.525476] ? __lock_acquire+0x7ec/0x4ec0 [ 322.530554] Node 0 [ 322.534779] ? should_fail+0x22d/0xd01 [ 322.534792] DMA: [ 322.537038] ? mark_held_locks+0x130/0x130 [ 322.540898] 1*4kB [ 322.542957] ? mark_held_locks+0x130/0x130 [ 322.547170] (U) [ 322.549326] ? graph_lock+0x170/0x170 [ 322.553536] 0*8kB [ 322.555506] ? graph_lock+0x170/0x170 [ 322.559281] 0*16kB [ 322.561428] ? graph_lock+0x170/0x170 [ 322.565205] 1*32kB [ 322.567437] ? print_usage_bug+0xc0/0xc0 [ 322.571214] (U) [ 322.573452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.577744] 2*64kB [ 322.579712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.585223] (U) [ 322.587454] ? check_preemption_disabled+0x48/0x200 [ 322.592969] 1*128kB [ 322.594938] ? check_preemption_disabled+0x48/0x200 [ 322.599928] (U) [ 322.602252] ? __lock_is_held+0xb5/0x140 [ 322.607236] 1*256kB [ 322.609215] __alloc_pages_nodemask+0xa80/0xde0 [ 322.613252] (U) [ 322.615579] ? graph_lock+0x170/0x170 [ 322.620226] 0*512kB [ 322.622204] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 322.625972] 1*1024kB [ 322.628307] ? graph_lock+0x170/0x170 [ 322.633326] (U) [ 322.635742] ? find_held_lock+0x36/0x1c0 [ 322.639503] 1*2048kB (M) [ 322.641491] ? ____cache_alloc_node+0x1c7/0x1e0 [ 322.645521] 3*4096kB [ 322.648296] ? lock_downgrade+0x900/0x900 [ 322.652933] (M) [ 322.655345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.659464] = 15908kB [ 322.661438] cache_grow_begin+0x91/0x8c0 [ 322.666947] Node 0 [ 322.669356] ? do_raw_spin_unlock+0xa7/0x2f0 [ 322.673385] DMA32: [ 322.675621] fallback_alloc+0x203/0x2e0 [ 322.680011] 3*4kB [ 322.682257] ____cache_alloc_node+0x1c7/0x1e0 [ 322.686195] (M) [ 322.688345] kmem_cache_alloc_node+0xe3/0x730 [ 322.692814] 2*8kB [ 322.694790] ? ipv6_get_ifaddr+0x42e/0x620 [ 322.699293] (M) [ 322.701460] __alloc_skb+0x119/0x770 [ 322.705654] 1*16kB [ 322.707630] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.711312] (M) [ 322.713559] ? skb_scrub_packet+0x490/0x490 [ 322.718819] 1*32kB [ 322.720808] ? lock_downgrade+0x900/0x900 [ 322.725091] (M) 3*64kB [ 322.727352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.731470] (UM) [ 322.734059] ? refcount_sub_and_test_checked+0x203/0x310 [ 322.739576] 3*128kB [ 322.741654] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 322.747064] (M) [ 322.749387] ? addrconf_rs_timer+0x6f0/0x6f0 [ 322.754824] 2*256kB [ 322.756823] ndisc_alloc_skb+0x144/0x340 [ 322.761188] (M) [ 322.763514] ndisc_send_rs+0x331/0x6e0 [ 322.767547] 3*512kB [ 322.769521] addrconf_rs_timer+0x3c0/0x6f0 [ 322.773375] (M) [ 322.775701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.779909] 4*1024kB [ 322.781889] call_timer_fn+0x272/0x920 [ 322.786088] (UM) [ 322.788495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.792357] 3*2048kB [ 322.794418] ? process_timeout+0x40/0x40 [ 322.798620] (UM) [ 322.801031] ? find_held_lock+0x36/0x1c0 [ 322.805068] 3*4096kB [ 322.807133] ? __run_timers+0x7da/0xc70 [ 322.811161] (M) [ 322.813580] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.817529] = 25228kB [ 322.819502] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.823973] Node 0 [ 322.826563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.831030] Normal: [ 322.833268] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 322.837472] 866*4kB [ 322.839791] ? trace_hardirqs_on+0xbd/0x310 [ 322.844349] (ME) [ 322.846670] ? kasan_check_read+0x11/0x20 [ 322.850971] 469*8kB [ 322.853040] ? __run_timers+0x7da/0xc70 [ 322.857160] (UME) [ 322.859479] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.863429] 197*16kB [ 322.865577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.870993] (UME) [ 322.873408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.877619] 59*32kB [ 322.879765] __run_timers+0x7e5/0xc70 [ 322.883967] (UME) [ 322.886301] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 322.890060] 18*64kB [ 322.892205] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 322.897541] (ME) [ 322.899861] ? graph_lock+0x170/0x170 [ 322.904855] 3*128kB [ 322.906914] ? enqueue_hrtimer+0x1a5/0x560 [ 322.910690] (M) [ 322.913015] ? lock_release+0x970/0x970 [ 322.917241] 1*256kB [ 322.919211] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 322.923161] (U) [ 322.925482] ? find_held_lock+0x36/0x1c0 [ 322.930645] 0*512kB [ 322.932619] ? graph_lock+0x170/0x170 [ 322.936653] 0*1024kB [ 322.938969] ? pvclock_read_flags+0x160/0x160 [ 322.942743] 0*2048kB [ 322.945151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.949621] 0*4096kB [ 322.952036] ? check_preemption_disabled+0x48/0x200 [ 322.957546] = 14048kB [ 322.959960] ? __lock_is_held+0xb5/0x140 [ 322.965443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 322.967841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.971885] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 322.980706] ? check_preemption_disabled+0x48/0x200 [ 322.986220] 412 total pagecache pages [ 322.994800] run_timer_softirq+0x52/0xb0 [ 322.999798] 0 pages in swap cache [ 323.003581] ? rcu_read_lock_sched_held+0x108/0x120 [ 323.007612] Swap cache stats: add 0, delete 0, find 0/0 [ 323.007621] Free swap = 0kB [ 323.011078] __do_softirq+0x30b/0xad8 [ 323.016073] Total swap = 0kB [ 323.021444] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 323.024429] 1965979 pages RAM [ 323.028227] ? pvclock_read_flags+0x160/0x160 [ 323.031218] 0 pages HighMem/MovableOnly [ 323.036313] ? lapic_next_event+0x5a/0x90 [ 323.039389] 343323 pages reserved [ 323.039398] 0 pages cma reserved [ 323.043893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.047912] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 323.051978] ? check_preemption_disabled+0x48/0x200 [ 323.055477] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.058766] ? check_preemption_disabled+0x48/0x200 [ 323.064293] syz-fuzzer cpuset= [ 323.070790] ? kvm_clock_read+0x18/0x30 [ 323.075786] / [ 323.086027] ? kvm_sched_clock_read+0x9/0x20 [ 323.091034] mems_allowed=0 [ 323.094233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.112739] ? check_preemption_disabled+0x48/0x200 [ 323.117794] irq_exit+0x17f/0x1c0 [ 323.121270] smp_apic_timer_interrupt+0x1cb/0x760 [ 323.126125] ? smp_reschedule_interrupt+0x109/0x650 [ 323.131149] ? smp_call_function_single_interrupt+0x650/0x650 [ 323.137036] ? interrupt_entry+0xb5/0xf0 [ 323.141103] ? trace_hardirqs_off_caller+0xbb/0x300 [ 323.146118] ? trace_hardirqs_off_caller+0xbb/0x300 [ 323.151137] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.155986] ? trace_hardirqs_off+0x300/0x300 [ 323.160495] ? trace_hardirqs_off+0x300/0x300 [ 323.164992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.170541] ? check_preemption_disabled+0x48/0x200 [ 323.175556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.181104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.185962] apic_timer_interrupt+0xf/0x20 [ 323.190205] [ 323.192446] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 323.197396] Code: 7e 0f 85 cf fe ff ff e8 76 b6 3e ff e9 c5 fe ff ff e8 8d 13 c3 ff 48 83 3d 2d 62 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 b2 73 [ 323.216311] RSP: 0000:ffff8801a3e4f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 323.224029] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 323.231303] RDX: 0000000000000000 RSI: ffff8801a3e46f40 RDI: 0000000000000282 [ 323.238570] RBP: ffff8801a3e4f7b0 R08: ffff8801a3e466c0 R09: 0000000000000000 [ 323.245836] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 323.253102] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 323.260418] skb_clone+0x1bb/0x500 [ 323.263964] ? skb_split+0x11e0/0x11e0 [ 323.267879] ? dev_forward_skb+0x4c/0x60 [ 323.271946] ? __bpf_redirect+0x54b/0xb20 [ 323.276100] ? __switch_to_asm+0x34/0x70 [ 323.280175] bpf_clone_redirect+0xb9/0x490 [ 323.284424] bpf_prog_01d53e16fc18f1d9+0x5cd/0x1000 [ 323.289447] ? __sched_text_start+0x8/0x8 [ 323.293618] ? lockdep_hardirqs_on+0x421/0x5c0 [ 323.298211] ? retint_kernel+0x2d/0x2d [ 323.302101] ? trace_hardirqs_on_caller+0xc0/0x300 [ 323.307036] ? find_held_lock+0x36/0x1c0 [ 323.311104] ? lock_acquire+0x1ed/0x520 [ 323.315082] ? bpf_test_run+0x32e/0x5a0 [ 323.319061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.324598] ? check_preemption_disabled+0x48/0x200 [ 323.329624] ? kasan_check_read+0x11/0x20 [ 323.333777] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.339060] ? rcu_bh_qs+0xc0/0xc0 [ 323.342609] ? preempt_schedule+0x4d/0x60 [ 323.346758] ? ___preempt_schedule+0x16/0x18 [ 323.351179] ? bpf_test_run+0x1c0/0x5a0 [ 323.355167] ? netlink_diag_dump+0x2a0/0x2a0 [ 323.359583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.365122] ? bpf_test_init.isra.9+0x70/0x100 [ 323.369710] ? bpf_prog_test_run_skb+0x634/0xb40 [ 323.374475] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 323.379321] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 323.384861] ? fput+0x130/0x1a0 [ 323.388143] ? __bpf_prog_get+0x9b/0x290 [ 323.392211] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 323.397058] ? bpf_prog_test_run+0x130/0x1a0 [ 323.401474] ? __x64_sys_bpf+0x3d8/0x510 [ 323.405537] ? bpf_prog_get+0x20/0x20 [ 323.409349] ? ksys_ioctl+0x81/0xd0 [ 323.412989] ? do_syscall_64+0x1b9/0x820 [ 323.417063] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 323.422430] ? syscall_return_slowpath+0x5e0/0x5e0 [ 323.427365] ? trace_hardirqs_off+0x300/0x300 [ 323.431866] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 323.436886] ? recalc_sigpending_tsk+0x180/0x180 [ 323.441643] ? kasan_check_write+0x14/0x20 [ 323.445888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.450745] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 323.456138] CPU: 1 PID: 5338 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #94 [ 323.456224] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 323.463075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.463082] Call Trace: [ 323.463089] [ 323.463113] dump_stack+0x1c4/0x2b4 [ 323.463129] ? dump_stack_print_info.cold.2+0x52/0x52 [ 323.463157] warn_alloc.cold.118+0xb7/0x1bd [ 323.469729] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.478990] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.481560] syz-executor0 cpuset= [ 323.483709] ? lock_downgrade+0x900/0x900 [ 323.487564] syz0 [ 323.492766] ? trace_hardirqs_off+0xb8/0x300 [ 323.497069] mems_allowed=0 [ 323.507553] ? trace_hardirqs_off+0xb8/0x300 [ 323.533613] __alloc_pages_slowpath+0x2667/0x2d80 [ 323.538493] ? warn_alloc+0x120/0x120 [ 323.542306] ? warn_alloc+0x120/0x120 [ 323.546115] ? print_usage_bug+0xc0/0xc0 [ 323.550181] ? warn_alloc+0x120/0x120 [ 323.553986] ? print_usage_bug+0xc0/0xc0 [ 323.558065] ? __lock_acquire+0x7ec/0x4ec0 [ 323.562299] ? __lock_acquire+0x7ec/0x4ec0 [ 323.566539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.572082] ? should_fail+0x22d/0xd01 [ 323.575976] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.581088] ? __lock_acquire+0x7ec/0x4ec0 [ 323.585335] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.590440] ? __lock_acquire+0x7ec/0x4ec0 [ 323.594676] ? should_fail+0x22d/0xd01 [ 323.598577] ? mark_held_locks+0x130/0x130 [ 323.602816] ? mark_held_locks+0x130/0x130 [ 323.607050] ? graph_lock+0x170/0x170 [ 323.610857] ? graph_lock+0x170/0x170 [ 323.614662] ? graph_lock+0x170/0x170 [ 323.618469] ? print_usage_bug+0xc0/0xc0 [ 323.622536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.628078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.633618] ? check_preemption_disabled+0x48/0x200 [ 323.638635] ? check_preemption_disabled+0x48/0x200 [ 323.643663] ? __lock_is_held+0xb5/0x140 [ 323.647736] __alloc_pages_nodemask+0xa80/0xde0 [ 323.652410] ? graph_lock+0x170/0x170 [ 323.656222] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 323.661235] ? graph_lock+0x170/0x170 [ 323.665050] ? find_held_lock+0x36/0x1c0 [ 323.669125] ? ____cache_alloc_node+0x1c7/0x1e0 [ 323.673803] ? lock_downgrade+0x900/0x900 [ 323.677965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.683521] cache_grow_begin+0x91/0x8c0 [ 323.687588] ? do_raw_spin_unlock+0xa7/0x2f0 [ 323.692013] fallback_alloc+0x203/0x2e0 [ 323.696006] ____cache_alloc_node+0x1c7/0x1e0 [ 323.700512] kmem_cache_alloc_node+0xe3/0x730 [ 323.705021] ? ipv6_get_ifaddr+0x42e/0x620 [ 323.709272] __alloc_skb+0x119/0x770 [ 323.713004] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.718290] ? skb_scrub_packet+0x490/0x490 [ 323.722616] ? lock_downgrade+0x900/0x900 [ 323.726776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.732324] ? refcount_sub_and_test_checked+0x203/0x310 [ 323.737789] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 323.743245] ? addrconf_rs_timer+0x6f0/0x6f0 [ 323.747674] ndisc_alloc_skb+0x144/0x340 [ 323.751745] ndisc_send_rs+0x331/0x6e0 [ 323.755648] addrconf_rs_timer+0x3c0/0x6f0 [ 323.759914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.764168] call_timer_fn+0x272/0x920 [ 323.768062] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.772300] ? process_timeout+0x40/0x40 [ 323.776363] ? find_held_lock+0x36/0x1c0 [ 323.780449] ? mark_held_locks+0xc7/0x130 [ 323.784604] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.789103] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.793602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.797852] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 323.802437] ? trace_hardirqs_on+0xbd/0x310 [ 323.806760] ? kasan_check_read+0x11/0x20 [ 323.810923] ? __run_timers+0x7da/0xc70 [ 323.814918] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.820397] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.824648] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.829206] __run_timers+0x7e5/0xc70 [ 323.833025] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 323.838409] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 323.843445] ? graph_lock+0x170/0x170 [ 323.847265] ? print_usage_bug+0xc0/0xc0 [ 323.851333] ? lock_release+0x970/0x970 [ 323.855319] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 323.860524] ? find_held_lock+0x36/0x1c0 [ 323.864597] ? graph_lock+0x170/0x170 [ 323.868413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.873964] ? check_preemption_disabled+0x48/0x200 [ 323.879016] ? __lock_is_held+0xb5/0x140 [ 323.883086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.888625] ? check_preemption_disabled+0x48/0x200 [ 323.893656] run_timer_softirq+0x52/0xb0 [ 323.897723] ? rcu_read_lock_sched_held+0x108/0x120 [ 323.902746] __do_softirq+0x30b/0xad8 [ 323.906567] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 323.911680] ? pvclock_read_flags+0x160/0x160 [ 323.916182] ? lapic_next_event+0x5a/0x90 [ 323.920341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.925879] ? check_preemption_disabled+0x48/0x200 [ 323.930903] ? check_preemption_disabled+0x48/0x200 [ 323.935927] ? kvm_clock_read+0x18/0x30 [ 323.939904] ? kvm_sched_clock_read+0x9/0x20 [ 323.944323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.949869] ? check_preemption_disabled+0x48/0x200 [ 323.954901] irq_exit+0x17f/0x1c0 [ 323.958363] smp_apic_timer_interrupt+0x1cb/0x760 [ 323.963720] ? smp_call_function_single_interrupt+0x650/0x650 [ 323.969608] ? interrupt_entry+0xb5/0xf0 [ 323.973679] ? trace_hardirqs_off_caller+0xbb/0x300 [ 323.978699] ? trace_hardirqs_off_caller+0xbb/0x300 [ 323.983722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.988572] ? trace_hardirqs_off+0x300/0x300 [ 323.993070] ? trace_hardirqs_off+0x300/0x300 [ 323.997571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.003111] ? check_preemption_disabled+0x48/0x200 [ 324.008129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.013680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.018539] apic_timer_interrupt+0xf/0x20 [ 324.022773] [ 324.025026] RIP: 0010:__sanitizer_cov_trace_pc+0xd/0x50 [ 324.030398] Code: c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 <65> 8b 15 8c 1e 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 [ 324.049316] RSP: 0000:ffff8801bb33dc18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 324.057045] RAX: ffff8801bb31e200 RBX: 1ffff10037667b86 RCX: ffffffff81a788ad [ 324.064321] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 324.071595] RBP: ffff8801bb33dc18 R08: ffff8801bb31e200 R09: ffffed003b5a4732 [ 324.078868] R10: ffffed003b5a4732 R11: ffff8801dad23993 R12: 0000000000000001 [ 324.086136] R13: 0000000000000000 R14: 1ffff10037667b92 R15: dead000000000100 [ 324.093432] ? page_evictable+0x35d/0x540 [ 324.097595] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 324.103137] page_evictable+0x36b/0x540 [ 324.107124] ? kswapd_stop+0x100/0x100 [ 324.111035] ? ___might_sleep+0x1ed/0x300 [ 324.115192] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.120659] ? arch_local_save_flags+0x40/0x40 [ 324.125253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.130807] ? check_preemption_disabled+0x48/0x200 [ 324.135847] shrink_active_list+0x845/0x1c20 [ 324.140264] ? free_unref_page_list+0xc0f/0x11e0 [ 324.145060] ? shrink_inactive_list+0x1c60/0x1c60 [ 324.149924] ? graph_lock+0x170/0x170 [ 324.153728] ? __page_frag_cache_drain+0x200/0x200 [ 324.158658] ? print_usage_bug+0xc0/0xc0 [ 324.162737] ? find_held_lock+0x36/0x1c0 [ 324.166806] ? graph_lock+0x170/0x170 [ 324.170622] ? mark_held_locks+0xc7/0x130 [ 324.174777] ? check_preemption_disabled+0x48/0x200 [ 324.179804] ? check_preemption_disabled+0x48/0x200 [ 324.184832] ? graph_lock+0x170/0x170 [ 324.188641] ? __lock_is_held+0xb5/0x140 [ 324.192706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.198242] ? check_preemption_disabled+0x48/0x200 [ 324.203274] ? __lock_is_held+0xb5/0x140 [ 324.207365] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 324.212388] ? inactive_list_is_low+0x305/0x880 [ 324.217080] ? lruvec_lru_size+0x450/0x450 [ 324.221319] ? kasan_check_read+0x11/0x20 [ 324.225484] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 324.230448] shrink_node_memcg+0x803/0x18e0 [ 324.234797] ? shrink_active_list+0x1c20/0x1c20 [ 324.239483] ? lockdep_hardirqs_on+0x421/0x5c0 [ 324.244080] ? trace_hardirqs_on+0xbd/0x310 [ 324.248411] ? vmpressure+0x294/0x310 [ 324.252218] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.257704] shrink_node+0x3bc/0x16b0 [ 324.261510] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 324.266828] ? shrink_node_memcg+0x18e0/0x18e0 [ 324.271412] ? lockdep_hardirqs_on+0x421/0x5c0 [ 324.276006] ? trace_hardirqs_on+0xbd/0x310 [ 324.280333] ? vmpressure+0x294/0x310 [ 324.284140] ? do_raw_spin_unlock+0xa7/0x2f0 [ 324.288552] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 324.293145] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 324.298684] ? __cpuset_node_allowed+0x19b/0x660 [ 324.303444] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 324.309159] ? vmpressure+0x1c9/0x310 [ 324.312973] do_try_to_free_pages+0x3e7/0x1290 [ 324.317585] ? shrink_node+0x16b0/0x16b0 [ 324.321649] ? __lock_is_held+0xb5/0x140 [ 324.325727] try_to_free_pages+0x4d0/0xb90 [ 324.329968] ? do_try_to_free_pages+0x1290/0x1290 [ 324.334821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.340374] ? lock_acquire+0x1ed/0x520 [ 324.344352] ? set_page_refcounted+0x280/0x280 [ 324.348947] ? lock_release+0x970/0x970 [ 324.352931] ? ___might_sleep+0x1ed/0x300 [ 324.357084] ? arch_local_save_flags+0x40/0x40 [ 324.361673] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 324.366691] ? __radix_tree_lookup+0x358/0x4c0 [ 324.371283] __alloc_pages_slowpath+0x993/0x2d80 [ 324.376067] ? kasan_check_read+0x11/0x20 [ 324.380224] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.385505] ? warn_alloc+0x120/0x120 [ 324.389335] ? __radix_tree_lookup+0x4c0/0x4c0 [ 324.393936] ? find_get_entry+0x2f2/0xc40 [ 324.398100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.403643] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 324.408576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.414120] ? should_fail+0x22d/0xd01 [ 324.418024] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.423132] ? __lock_is_held+0xb5/0x140 [ 324.427192] ? graph_lock+0x170/0x170 [ 324.431004] ? graph_lock+0x170/0x170 [ 324.434828] ? __lock_is_held+0xb5/0x140 [ 324.438897] ? __lock_acquire+0x7ec/0x4ec0 [ 324.443139] ? ___might_sleep+0x1ed/0x300 [ 324.447290] ? lock_release+0x970/0x970 [ 324.451273] ? arch_local_save_flags+0x40/0x40 [ 324.455874] ? __might_sleep+0x95/0x190 [ 324.459858] __alloc_pages_nodemask+0xa80/0xde0 [ 324.464542] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 324.469567] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 324.475367] ? kasan_check_read+0x11/0x20 [ 324.479521] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.484808] ? graph_lock+0x170/0x170 [ 324.488613] ? print_usage_bug+0xc0/0xc0 [ 324.492678] ? graph_lock+0x170/0x170 [ 324.496481] ? graph_lock+0x170/0x170 [ 324.500286] ? __do_page_cache_readahead+0x7ce/0x980 [ 324.505398] ? find_held_lock+0x36/0x1c0 [ 324.509470] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 324.515026] alloc_pages_current+0x10c/0x210 [ 324.519439] ? lock_downgrade+0x900/0x900 [ 324.523595] __page_cache_alloc+0x38f/0x5b0 [ 324.527925] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 324.533722] ? kasan_check_read+0x11/0x20 [ 324.537873] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.543161] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 324.547838] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.553381] ? check_preemption_disabled+0x48/0x200 [ 324.558416] filemap_fault+0x1594/0x25f0 [ 324.562501] ? __lock_page_or_retry+0xa00/0xa00 [ 324.567189] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 324.572994] ? kasan_check_read+0x11/0x20 [ 324.577186] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.582485] ? rcu_bh_qs+0xc0/0xc0 [ 324.586044] ? print_usage_bug+0xc0/0xc0 [ 324.590126] ? filemap_map_pages+0xdea/0x1980 [ 324.594637] ? print_usage_bug+0xc0/0xc0 [ 324.598713] ? find_get_pages_range_tag+0x1320/0x1320 [ 324.603910] ? print_usage_bug+0xc0/0xc0 [ 324.607976] ? __lock_acquire+0x7ec/0x4ec0 [ 324.612231] ? graph_lock+0x170/0x170 [ 324.616044] ? __sigqueue_free.part.27+0x7d/0xa0 [ 324.620813] ? __lock_acquire+0x7ec/0x4ec0 [ 324.625067] ? lock_acquire+0x1ed/0x520 [ 324.629047] ? ext4_filemap_fault+0x7a/0xad [ 324.633375] ? lock_release+0x970/0x970 [ 324.637351] ? arch_local_save_flags+0x40/0x40 [ 324.641941] ? mark_held_locks+0x130/0x130 [ 324.646195] ? down_read+0xb0/0x1d0 [ 324.649824] ? ext4_filemap_fault+0x7a/0xad [ 324.654152] ? __down_interruptible+0x700/0x700 [ 324.658827] ? graph_lock+0x170/0x170 [ 324.662635] ? __sigqueue_free.part.27+0x7d/0xa0 [ 324.667408] ext4_filemap_fault+0x82/0xad [ 324.671565] __do_fault+0x100/0x6b0 [ 324.675198] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.680482] ? print_bad_pte+0x6c0/0x6c0 [ 324.684554] ? pmd_val+0x88/0x100 [ 324.688018] ? add_mm_counter_fast+0xd0/0xd0 [ 324.692430] ? pmd_val+0x88/0x100 [ 324.695887] ? add_mm_counter_fast+0xd0/0xd0 [ 324.700304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.705848] __handle_mm_fault+0x3709/0x53e0 [ 324.710273] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 324.715123] ? graph_lock+0x170/0x170 [ 324.718927] ? print_usage_bug+0xc0/0xc0 [ 324.722991] ? graph_lock+0x170/0x170 [ 324.726805] ? graph_lock+0x170/0x170 [ 324.730625] ? handle_mm_fault+0x42a/0xc70 [ 324.734861] ? lock_downgrade+0x900/0x900 [ 324.739016] ? check_preemption_disabled+0x48/0x200 [ 324.744045] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 324.749847] ? kasan_check_read+0x11/0x20 [ 324.754008] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.759289] ? rcu_bh_qs+0xc0/0xc0 [ 324.762831] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.768286] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.773825] ? check_preemption_disabled+0x48/0x200 [ 324.778858] handle_mm_fault+0x54f/0xc70 [ 324.782944] ? __handle_mm_fault+0x53e0/0x53e0 [ 324.787540] ? find_vma+0x34/0x190 [ 324.791089] __do_page_fault+0x67d/0xed0 [ 324.795166] ? mm_fault_error+0x380/0x380 [ 324.799326] ? syscall_slow_exit_work+0x520/0x520 [ 324.804184] do_page_fault+0xf2/0x7e0 [ 324.807994] ? vmalloc_sync_all+0x30/0x30 [ 324.812155] ? error_entry+0x70/0xd0 [ 324.815878] ? trace_hardirqs_off_caller+0xbb/0x300 [ 324.820894] ? trace_hardirqs_on_caller+0xc0/0x300 [ 324.825825] ? syscall_return_slowpath+0x5e0/0x5e0 [ 324.830759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.835614] ? trace_hardirqs_off+0x300/0x300 [ 324.840112] ? trace_hardirqs_off_caller+0x300/0x300 [ 324.845222] ? prepare_exit_to_usermode+0x291/0x3b0 [ 324.850242] ? page_fault+0x8/0x30