_hwframe+0x49/0xbe [ 219.788410] ? trace_hardirqs_on+0x310/0x310 [ 219.788430] do_page_fault+0xf2/0x7e0 [ 219.788447] ? vmalloc_sync_all+0x30/0x30 [ 219.788462] ? error_entry+0x70/0xd0 [ 219.788478] ? trace_hardirqs_off_caller+0xbb/0x300 [ 219.788492] ? trace_hardirqs_on_caller+0xc0/0x300 [ 219.788506] ? syscall_return_slowpath+0x5e0/0x5e0 [ 219.788520] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.788536] ? trace_hardirqs_off+0x300/0x300 [ 219.788549] ? trace_hardirqs_off_caller+0x300/0x300 [ 219.788569] ? prepare_exit_to_usermode+0x291/0x3b0 [ 219.788584] ? page_fault+0x8/0x30 [ 219.788602] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.788621] ? page_fault+0x8/0x30 [ 219.788637] page_fault+0x1e/0x30 [ 219.788648] RIP: 0033:0x45ddf3 [ 219.788658] Code: Bad RIP value. [ 219.788666] RSP: 002b:000000c420024ea0 EFLAGS: 00010202 [ 219.788680] RAX: ffffffffffffff92 RBX: 000000003b8797c8 RCX: 000000000045ddf3 [ 219.788689] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014947a0 [ 219.788698] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000 [ 219.788707] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001 [ 219.788715] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000003 [ 219.788749] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 219.788758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.788763] Call Trace: [ 219.788768] [ 219.788782] dump_stack+0x1c4/0x2b4 [ 219.788787] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 219.788800] ? dump_stack_print_info.cold.2+0x52/0x52 [ 219.788828] warn_alloc.cold.118+0xb7/0x1bd [ 219.788832] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 219.788845] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 219.788863] ? lock_downgrade+0x900/0x900 [ 219.788886] ? trace_hardirqs_off+0xb8/0x300 [ 219.788908] ? trace_hardirqs_off+0xb8/0x300 [ 219.788932] __alloc_pages_slowpath+0x2667/0x2d80 [ 219.788992] ? warn_alloc+0x120/0x120 [ 219.789013] ? warn_alloc+0x120/0x120 [ 219.789030] ? print_usage_bug+0xc0/0xc0 [ 219.789046] ? warn_alloc+0x120/0x120 [ 219.789059] ? lock_release+0x970/0x970 [ 219.789075] ? print_usage_bug+0xc0/0xc0 [ 219.789092] ? __lock_acquire+0x7ec/0x4ec0 [ 219.789107] ? __lock_acquire+0x7ec/0x4ec0 [ 219.789124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.789139] ? should_fail+0x22d/0xd01 [ 219.789159] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.789174] ? __lock_acquire+0x7ec/0x4ec0 [ 219.789195] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.789208] ? __lock_acquire+0x7ec/0x4ec0 [ 219.789222] ? should_fail+0x22d/0xd01 [ 219.789247] ? mark_held_locks+0x130/0x130 [ 219.789265] ? mark_held_locks+0x130/0x130 [ 219.789278] ? kvm_clock_read+0x18/0x30 [ 219.789292] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 219.789305] ? ktime_get+0x2e1/0x440 [ 219.789319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.789332] ? graph_lock+0x170/0x170 [ 219.789345] ? print_usage_bug+0xc0/0xc0 [ 219.789365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.797202] file_lock_ctx 0KB 3KB [ 219.798287] ? check_preemption_disabled+0x48/0x200 [ 219.802427] fsnotify_mark_connector 3KB 11KB [ 219.807792] ? check_preemption_disabled+0x48/0x200 [ 219.807830] ? __lock_is_held+0xb5/0x140 [ 219.807851] __alloc_pages_nodemask+0xa80/0xde0 [ 219.812258] net_namespace 69KB 69KB [ 219.816230] ? graph_lock+0x170/0x170 [ 219.820653] shmem_inode_cache 3550KB 3646KB [ 219.825996] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 219.831542] task_delay_info 30KB 150KB [ 219.836866] ? graph_lock+0x170/0x170 [ 219.836894] ? find_held_lock+0x36/0x1c0 [ 219.836917] ? ____cache_alloc_node+0x1c7/0x1e0 [ 219.841489] taskstats 0KB 3KB [ 219.846873] ? lock_downgrade+0x900/0x900 [ 219.846894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.846914] cache_grow_begin+0x91/0x8c0 [ 219.851655] proc_dir_entry 680KB 686KB [ 219.856495] ? do_raw_spin_unlock+0xa7/0x2f0 [ 219.861981] pde_opener 0KB 3KB [ 219.867497] fallback_alloc+0x203/0x2e0 [ 219.867527] ____cache_alloc_node+0x1c7/0x1e0 [ 219.870806] sigqueue 3KB 3KB [ 219.874882] kmem_cache_alloc_node+0xe3/0x730 [ 219.880259] kernfs_node_cache 12112KB 12115KB [ 219.885072] ? ipv6_get_ifaddr+0x42e/0x620 [ 219.889496] mnt_cache 87KB 112KB [ 219.893535] __alloc_skb+0x119/0x770 [ 219.898908] filp 283KB 487KB [ 219.902683] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 219.908070] names_cache 187KB 187KB [ 219.911665] ? skb_scrub_packet+0x490/0x490 [ 219.917050] key_jar 3KB 7KB [ 219.921105] ? lock_downgrade+0x900/0x900 [ 219.926455] uts_namespace 3KB 7KB [ 219.931828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.931844] ? refcount_sub_and_test_checked+0x203/0x310 [ 219.931864] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 219.936794] nsproxy 1KB 7KB [ 219.942150] ? addrconf_rs_timer+0x6f0/0x6f0 [ 219.942178] ndisc_alloc_skb+0x144/0x340 [ 219.942199] ndisc_send_rs+0x331/0x6e0 [ 219.946680] vm_area_struct 350KB 549KB [ 219.952044] addrconf_rs_timer+0x3c0/0x6f0 [ 219.952066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 219.952094] call_timer_fn+0x272/0x920 [ 219.957120] mm_struct 55KB 97KB [ 219.961847] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 219.966067] fs_cache 8KB 44KB [ 219.971422] ? process_timeout+0x40/0x40 [ 219.971435] ? find_held_lock+0x36/0x1c0 [ 219.971467] ? __run_timers+0x7da/0xc70 [ 219.976308] files_cache 32KB 71KB [ 219.981707] ? _raw_spin_unlock_irq+0x27/0x80 [ 219.981721] ? _raw_spin_unlock_irq+0x27/0x80 [ 219.981735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 219.981754] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 219.987157] signal_cache 227KB 546KB [ 219.989571] ? trace_hardirqs_on+0xbd/0x310 [ 220.022471] sighand_cache 365KB 416KB [ 220.050323] ? kasan_check_read+0x11/0x20 [ 220.050340] ? __run_timers+0x7da/0xc70 [ 220.050357] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.050377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.055737] task_struct 1039KB 1039KB [ 220.057980] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.057996] __run_timers+0x7e5/0xc70 [ 220.058025] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 220.063375] cred_jar 48KB 324KB [ 220.088889] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 220.088905] ? graph_lock+0x170/0x170 [ 220.088925] ? enqueue_hrtimer+0x1a5/0x560 [ 220.094292] anon_vma_chain 95KB 299KB [ 220.097561] ? lock_release+0x970/0x970 [ 220.097578] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 220.097602] ? find_held_lock+0x36/0x1c0 [ 220.102961] anon_vma 126KB 369KB [ 220.105892] ? graph_lock+0x170/0x170 [ 220.133698] pid 20KB 124KB [ 220.137246] ? pvclock_read_flags+0x160/0x160 [ 220.137263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.137282] ? check_preemption_disabled+0x48/0x200 [ 220.142639] Acpi-Operand 106KB 158KB [ 220.145491] ? __lock_is_held+0xb5/0x140 [ 220.174484] Acpi-Namespace 19KB 23KB [ 220.177561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.177576] ? check_preemption_disabled+0x48/0x200 [ 220.177600] run_timer_softirq+0x52/0xb0 [ 220.182948] numa_policy 0KB 3KB [ 220.182968] debug_objects_cache 787KB 799KB [ 220.185291] ? rcu_read_lock_sched_held+0x108/0x120 [ 220.188841] trace_event_file 258KB 258KB [ 220.194178] __do_softirq+0x30b/0xad8 [ 220.196988] ftrace_event_field 370KB 370KB [ 220.202328] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 220.204900] pool_workqueue 74KB 76KB [ 220.210262] ? pvclock_read_flags+0x160/0x160 [ 220.210277] ? lapic_next_event+0x5a/0x90 [ 220.210296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.212871] task_group 7KB 10KB [ 220.218227] ? check_preemption_disabled+0x48/0x200 [ 220.218240] ? check_preemption_disabled+0x48/0x200 [ 220.218268] ? kvm_clock_read+0x18/0x30 [ 220.220961] page->ptl 76KB 399KB [ 220.226328] ? kvm_sched_clock_read+0x9/0x20 [ 220.229068] kmalloc-2097152 2050KB 2050KB [ 220.234704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.238173] kmalloc-524288 2056KB 2056KB [ 220.243593] ? check_preemption_disabled+0x48/0x200 [ 220.248275] kmalloc-262144 1290KB 1290KB [ 220.251625] irq_exit+0x17f/0x1c0 [ 220.257002] kmalloc-131072 650KB 650KB [ 220.259563] smp_apic_timer_interrupt+0x1cb/0x760 [ 220.264915] kmalloc-65536 330KB 330KB [ 220.270359] ? smp_reschedule_interrupt+0x109/0x650 [ 220.270378] ? smp_call_function_single_interrupt+0x650/0x650 [ 220.270398] ? interrupt_entry+0xb5/0xf0 [ 220.276261] kmalloc-32768 924KB 924KB [ 220.281556] ? trace_hardirqs_off_caller+0xbb/0x300 [ 220.281570] ? trace_hardirqs_off_caller+0xbb/0x300 [ 220.281587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.281605] ? trace_hardirqs_off+0x300/0x300 [ 220.287688] kmalloc-16384 445KB 445KB [ 220.293015] ? trace_hardirqs_off+0x300/0x300 [ 220.293034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.295867] kmalloc-8192 2037KB 2037KB [ 220.301222] ? check_preemption_disabled+0x48/0x200 [ 220.301246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.301271] apic_timer_interrupt+0xf/0x20 [ 220.304019] kmalloc-4096 7110KB 7110KB [ 220.309364] [ 220.309383] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 220.309399] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 220.309412] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 [ 220.312343] kmalloc-2048 7044KB 8510KB [ 220.317685] ORIG_RAX: ffffffffffffff13 [ 220.317695] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 220.317704] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 220.317713] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 220.317721] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 220.317735] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 220.320056] kmalloc-1024 4395825KB 4395825KB [ 220.325787] skb_clone+0x1bb/0x500 [ 220.328619] kmalloc-512 1995KB 3656KB [ 220.334041] ? skb_split+0x11e0/0x11e0 [ 220.337075] kmalloc-256 1992KB 2523KB [ 220.342603] ? preempt_notifier_register+0x200/0x200 [ 220.345515] kmalloc-128 482KB 897KB [ 220.351040] ? __switch_to_asm+0x34/0x70 [ 220.351055] ? __switch_to_asm+0x34/0x70 [ 220.351067] ? __switch_to_asm+0x40/0x70 [ 220.351085] ? __switch_to_asm+0x34/0x70 [ 220.354015] kmalloc-96 464KB 1328KB [ 220.359459] ? __switch_to_asm+0x40/0x70 [ 220.359474] ? __switch_to_asm+0x40/0x70 [ 220.359492] ? __switch_to_asm+0x34/0x70 [ 220.366060] kmalloc-64 574KB 928KB [ 220.371413] ? __switch_to_asm+0x34/0x70 [ 220.371426] ? __switch_to_asm+0x40/0x70 [ 220.371437] ? __switch_to_asm+0x34/0x70 [ 220.371466] bpf_clone_redirect+0xb9/0x490 [ 220.374641] kmalloc-32 928KB 1496KB [ 220.383481] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 220.383501] ? __sched_text_start+0x8/0x8 [ 220.383520] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 220.392141] kmalloc-192 826KB 932KB [ 220.395923] ? find_held_lock+0x36/0x1c0 [ 220.401468] kmem_cache 256KB 258KB [ 220.404914] ? lock_acquire+0x1ed/0x520 [ 220.410290] Out of memory: Kill process 5360 (syz-fuzzer) score 23 or sacrifice child [ 220.413277] ? bpf_test_run+0x32e/0x5a0 [ 220.416359] Killed process 5377 (syz-executor2) total-vm:70208kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 220.419390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.419404] ? check_preemption_disabled+0x48/0x200 [ 220.419424] ? kasan_check_read+0x11/0x20 [ 231.178161] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.183472] ? rcu_bh_qs+0xc0/0xc0 [ 231.187030] ? preempt_schedule+0x4d/0x60 [ 231.191195] ? ___preempt_schedule+0x16/0x18 [ 231.195627] ? bpf_test_run+0x1c0/0x5a0 [ 231.199628] ? netlink_diag_dump+0x2a0/0x2a0 [ 231.204053] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.209606] ? bpf_test_init.isra.9+0x70/0x100 [ 231.214206] ? bpf_prog_test_run_skb+0x634/0xb40 [ 231.219000] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.223855] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 231.229404] ? fput+0x130/0x1a0 [ 231.232701] ? __bpf_prog_get+0x9b/0x290 [ 231.236778] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.241632] ? bpf_prog_test_run+0x130/0x1a0 [ 231.246080] ? __x64_sys_bpf+0x3d8/0x510 [ 231.250168] ? bpf_prog_get+0x20/0x20 [ 231.253993] ? ksys_ioctl+0x81/0xd0 [ 231.257647] ? do_syscall_64+0x1b9/0x820 [ 231.261726] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 231.267105] ? syscall_return_slowpath+0x5e0/0x5e0 [ 231.272053] ? trace_hardirqs_off+0x300/0x300 [ 231.276561] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 231.281592] ? recalc_sigpending_tsk+0x180/0x180 [ 231.286359] ? kasan_check_write+0x14/0x20 [ 231.290611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.295484] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 231.301028] net_ratelimit: 13 callbacks suppressed [ 231.301036] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.307064] warn_alloc: 15 callbacks suppressed [ 231.307081] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.312540] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.317131] kworker/0:1 cpuset= [ 231.327432] syz-executor1 cpuset=syz1 mems_allowed=0 [ 231.338078] / [ 231.341357] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 231.341365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.341370] Call Trace: [ 231.341377] [ 231.341397] dump_stack+0x1c4/0x2b4 [ 231.341415] ? dump_stack_print_info.cold.2+0x52/0x52 [ 231.346623] mems_allowed=0 [ 231.348368] warn_alloc.cold.118+0xb7/0x1bd [ 231.385605] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.390462] ? lock_downgrade+0x900/0x900 [ 231.394638] ? trace_hardirqs_off+0xb8/0x300 [ 231.399074] ? trace_hardirqs_off+0xb8/0x300 [ 231.403501] __alloc_pages_slowpath+0x2667/0x2d80 [ 231.408382] ? warn_alloc+0x120/0x120 [ 231.412192] ? trace_hardirqs_on+0x310/0x310 [ 231.416610] ? warn_alloc+0x120/0x120 [ 231.420417] ? print_usage_bug+0xc0/0xc0 [ 231.424492] ? warn_alloc+0x120/0x120 [ 231.428297] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 231.433317] ? print_usage_bug+0xc0/0xc0 [ 231.437385] ? __lock_acquire+0x7ec/0x4ec0 [ 231.441625] ? __lock_acquire+0x7ec/0x4ec0 [ 231.445867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.451413] ? should_fail+0x22d/0xd01 [ 231.455313] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.460433] ? __lock_acquire+0x7ec/0x4ec0 [ 231.464684] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.469790] ? __lock_acquire+0x7ec/0x4ec0 [ 231.474027] ? should_fail+0x22d/0xd01 [ 231.477925] ? print_usage_bug+0xc0/0xc0 [ 231.482014] ? mark_held_locks+0x130/0x130 [ 231.486259] ? mark_held_locks+0x130/0x130 [ 231.490516] ? graph_lock+0x170/0x170 [ 231.494323] ? print_usage_bug+0xc0/0xc0 [ 231.498387] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.503153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.508693] ? check_preemption_disabled+0x48/0x200 [ 231.513716] ? check_preemption_disabled+0x48/0x200 [ 231.518751] ? __lock_is_held+0xb5/0x140 [ 231.522823] __alloc_pages_nodemask+0xa80/0xde0 [ 231.527500] ? graph_lock+0x170/0x170 [ 231.531310] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 231.536327] ? graph_lock+0x170/0x170 [ 231.540145] ? find_held_lock+0x36/0x1c0 [ 231.544220] ? ____cache_alloc_node+0x1c7/0x1e0 [ 231.548895] ? lock_downgrade+0x900/0x900 [ 231.553056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.558611] cache_grow_begin+0x91/0x8c0 [ 231.562681] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.567103] fallback_alloc+0x203/0x2e0 [ 231.571098] ____cache_alloc_node+0x1c7/0x1e0 [ 231.575609] kmem_cache_alloc_node+0xe3/0x730 [ 231.580112] ? ipv6_get_ifaddr+0x42e/0x620 [ 231.584364] __alloc_skb+0x119/0x770 [ 231.588088] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.593372] ? skb_scrub_packet+0x490/0x490 [ 231.597701] ? lock_downgrade+0x900/0x900 [ 231.601860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.607408] ? refcount_sub_and_test_checked+0x203/0x310 [ 231.612879] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 231.618340] ? addrconf_rs_timer+0x6f0/0x6f0 [ 231.622767] ndisc_alloc_skb+0x144/0x340 [ 231.626843] ndisc_send_rs+0x331/0x6e0 [ 231.630742] addrconf_rs_timer+0x3c0/0x6f0 [ 231.634991] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.639249] call_timer_fn+0x272/0x920 [ 231.643143] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.647385] ? process_timeout+0x40/0x40 [ 231.651476] ? find_held_lock+0x36/0x1c0 [ 231.655550] ? __run_timers+0x7da/0xc70 [ 231.659546] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.664051] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.668550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.672789] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 231.677382] ? trace_hardirqs_on+0xbd/0x310 [ 231.681717] ? kasan_check_read+0x11/0x20 [ 231.685873] ? __run_timers+0x7da/0xc70 [ 231.689856] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.695320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.699569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.703808] __run_timers+0x7e5/0xc70 [ 231.707636] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 231.713009] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 231.718036] ? graph_lock+0x170/0x170 [ 231.721847] ? enqueue_hrtimer+0x1a5/0x560 [ 231.726087] ? lock_release+0x970/0x970 [ 231.730078] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 231.735280] ? find_held_lock+0x36/0x1c0 [ 231.739352] ? graph_lock+0x170/0x170 [ 231.743162] ? pvclock_read_flags+0x160/0x160 [ 231.747664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.753213] ? check_preemption_disabled+0x48/0x200 [ 231.758246] ? __lock_is_held+0xb5/0x140 [ 231.762318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.767865] ? check_preemption_disabled+0x48/0x200 [ 231.772895] run_timer_softirq+0x52/0xb0 [ 231.776970] ? rcu_read_lock_sched_held+0x108/0x120 [ 231.782002] __do_softirq+0x30b/0xad8 [ 231.785824] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 231.790947] ? pvclock_read_flags+0x160/0x160 [ 231.795449] ? lapic_next_event+0x5a/0x90 [ 231.799610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.805152] ? check_preemption_disabled+0x48/0x200 [ 231.810173] ? check_preemption_disabled+0x48/0x200 [ 231.815202] ? kvm_clock_read+0x18/0x30 [ 231.819181] ? kvm_sched_clock_read+0x9/0x20 [ 231.823610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.829154] ? check_preemption_disabled+0x48/0x200 [ 231.834207] irq_exit+0x17f/0x1c0 [ 231.837688] smp_apic_timer_interrupt+0x1cb/0x760 [ 231.842536] ? smp_reschedule_interrupt+0x109/0x650 [ 231.847558] ? smp_call_function_single_interrupt+0x650/0x650 [ 231.853450] ? interrupt_entry+0xb5/0xf0 [ 231.857528] ? trace_hardirqs_off_caller+0xbb/0x300 [ 231.862556] ? trace_hardirqs_off_caller+0xbb/0x300 [ 231.867577] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.872428] ? trace_hardirqs_off+0x300/0x300 [ 231.876930] ? trace_hardirqs_off+0x300/0x300 [ 231.881461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.887006] ? check_preemption_disabled+0x48/0x200 [ 231.892040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.896904] apic_timer_interrupt+0xf/0x20 [ 231.901135] [ 231.903384] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 231.908318] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 231.927223] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 231.934947] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 231.942224] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 231.949499] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 231.956768] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 231.964049] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 231.971369] skb_clone+0x1bb/0x500 [ 231.974916] ? skb_split+0x11e0/0x11e0 [ 231.978827] ? preempt_notifier_register+0x200/0x200 [ 231.983937] ? __switch_to_asm+0x34/0x70 [ 231.988017] ? __switch_to_asm+0x34/0x70 [ 231.992080] ? __switch_to_asm+0x40/0x70 [ 231.996143] ? __switch_to_asm+0x34/0x70 [ 232.000207] ? __switch_to_asm+0x40/0x70 [ 232.004273] ? __switch_to_asm+0x40/0x70 [ 232.008340] ? __switch_to_asm+0x34/0x70 [ 232.012406] ? __switch_to_asm+0x34/0x70 [ 232.016477] ? __switch_to_asm+0x40/0x70 [ 232.020540] ? __switch_to_asm+0x34/0x70 [ 232.024616] bpf_clone_redirect+0xb9/0x490 [ 232.029042] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 232.034099] ? __sched_text_start+0x8/0x8 [ 232.038284] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 232.043059] ? find_held_lock+0x36/0x1c0 [ 232.047132] ? lock_acquire+0x1ed/0x520 [ 232.051116] ? bpf_test_run+0x32e/0x5a0 [ 232.055102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.060647] ? check_preemption_disabled+0x48/0x200 [ 232.065672] ? kasan_check_read+0x11/0x20 [ 232.069831] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.075115] ? rcu_bh_qs+0xc0/0xc0 [ 232.078668] ? preempt_schedule+0x4d/0x60 [ 232.082824] ? ___preempt_schedule+0x16/0x18 [ 232.087247] ? bpf_test_run+0x1c0/0x5a0 [ 232.091240] ? netlink_diag_dump+0x2a0/0x2a0 [ 232.095655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.101199] ? bpf_test_init.isra.9+0x70/0x100 [ 232.105794] ? bpf_prog_test_run_skb+0x634/0xb40 [ 232.110562] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 232.115414] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 232.120953] ? fput+0x130/0x1a0 [ 232.124244] ? __bpf_prog_get+0x9b/0x290 [ 232.128314] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 232.133513] ? bpf_prog_test_run+0x130/0x1a0 [ 232.137934] ? __x64_sys_bpf+0x3d8/0x510 [ 232.142021] ? bpf_prog_get+0x20/0x20 [ 232.145835] ? ksys_ioctl+0x81/0xd0 [ 232.149486] ? do_syscall_64+0x1b9/0x820 [ 232.153555] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 232.158926] ? syscall_return_slowpath+0x5e0/0x5e0 [ 232.163872] ? trace_hardirqs_off+0x300/0x300 [ 232.168375] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 232.173395] ? recalc_sigpending_tsk+0x180/0x180 [ 232.178154] ? kasan_check_write+0x14/0x20 [ 232.182401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.187274] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 232.192662] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 232.192668] warn_alloc_show_mem: 9 callbacks suppressed [ 232.192676] Mem-Info: [ 232.199520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.204892] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 232.204892] active_file:13 inactive_file:18 isolated_file:0 [ 232.204892] unevictable:0 dirty:0 writeback:0 unstable:0 [ 232.204892] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 232.204892] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 232.204892] free:13747 free_pcp:307 free_cma:0 [ 232.207281] Workqueue: (null) [ 232.216661] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 232.249509] (events) [ 232.253562] Node 0 [ 232.281224] Call Trace: [ 232.283653] 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 [ 232.285858] [ 232.288444] lowmem_reserve[]: [ 232.313944] dump_stack+0x1c4/0x2b4 [ 232.316085] 0 [ 232.319188] ? dump_stack_print_info.cold.2+0x52/0x52 [ 232.322795] 2815 [ 232.324611] warn_alloc.cold.118+0xb7/0x1bd [ 232.329765] 6318 6318 [ 232.331843] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 232.338640] ? lock_downgrade+0x900/0x900 [ 232.343463] Node 0 DMA32 free:25280kB 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:248kB free_cma:0kB [ 232.347651] ? trace_hardirqs_off+0xb8/0x300 [ 232.347673] ? trace_hardirqs_off+0xb8/0x300 [ 232.375409] lowmem_reserve[]: [ 232.379825] __alloc_pages_slowpath+0x2667/0x2d80 [ 232.384206] 0 [ 232.387337] ? warn_alloc+0x120/0x120 [ 232.392134] 0 [ 232.393942] ? warn_alloc+0x120/0x120 [ 232.397732] 3503 [ 232.399534] ? print_usage_bug+0xc0/0xc0 [ 232.403324] 3503 [ 232.405386] ? warn_alloc+0x120/0x120 [ 232.411585] ? print_usage_bug+0xc0/0xc0 [ 232.415375] Node 0 Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:464kB free_cma:0kB [ 232.419510] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.419529] ? should_fail+0x22d/0xd01 [ 232.448478] lowmem_reserve[]: 0 [ 232.454026] ? __lock_acquire+0x7ec/0x4ec0 [ 232.457891] 0 [ 232.461175] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.465391] 0 [ 232.467193] ? __lock_acquire+0x7ec/0x4ec0 [ 232.472279] 0 [ 232.474089] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.480103] ? __lock_acquire+0x7ec/0x4ec0 [ 232.485189] Node 0 [ 232.489423] ? should_fail+0x22d/0xd01 [ 232.489434] DMA: [ 232.491673] ? mark_held_locks+0x130/0x130 [ 232.495536] 1*4kB [ 232.497600] ? mark_held_locks+0x130/0x130 [ 232.501815] (U) [ 232.503974] ? try_to_wake_up+0x10a/0x12f0 [ 232.508185] 0*8kB [ 232.510161] ? graph_lock+0x170/0x170 [ 232.514380] 0*16kB [ 232.516531] ? print_usage_bug+0xc0/0xc0 [ 232.520309] 1*32kB [ 232.522547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.526585] (U) [ 232.528833] ? check_preemption_disabled+0x48/0x200 [ 232.534349] 2*64kB [ 232.536331] ? check_preemption_disabled+0x48/0x200 [ 232.541326] (U) [ 232.543568] ? __lock_is_held+0xb5/0x140 [ 232.548563] 1*128kB [ 232.550542] __alloc_pages_nodemask+0xa80/0xde0 [ 232.554591] (U) [ 232.556913] ? graph_lock+0x170/0x170 [ 232.561566] 1*256kB [ 232.563540] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 232.567320] (U) [ 232.569646] ? graph_lock+0x170/0x170 [ 232.574646] 0*512kB [ 232.576629] ? find_held_lock+0x36/0x1c0 [ 232.580415] 1*1024kB [ 232.582742] ? ____cache_alloc_node+0x1c7/0x1e0 [ 232.586782] (U) [ 232.589192] ? lock_downgrade+0x900/0x900 [ 232.593845] 1*2048kB [ 232.595822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.599951] (M) [ 232.602362] cache_grow_begin+0x91/0x8c0 [ 232.607878] 3*4096kB [ 232.609864] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.613905] (M) [ 232.616318] fallback_alloc+0x203/0x2e0 [ 232.620705] = 15908kB [ 232.622682] ____cache_alloc_node+0x1c7/0x1e0 [ 232.626636] Node 0 [ 232.629049] kmem_cache_alloc_node+0xe3/0x730 [ 232.633525] DMA32: [ 232.635764] ? ipv6_get_ifaddr+0x42e/0x620 [ 232.640235] 4*4kB [ 232.642481] __alloc_skb+0x119/0x770 [ 232.646697] (UM) [ 232.648849] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.652550] 2*8kB [ 232.654628] ? skb_scrub_packet+0x490/0x490 [ 232.659890] (M) [ 232.662045] ? lock_downgrade+0x900/0x900 [ 232.666343] 2*16kB (UM) [ 232.668338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.672464] 2*32kB [ 232.675139] ? refcount_sub_and_test_checked+0x203/0x310 [ 232.680654] (UM) [ 232.682891] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 232.688323] 3*64kB [ 232.690387] ? addrconf_rs_timer+0x6f0/0x6f0 [ 232.695814] (UM) [ 232.698061] ndisc_alloc_skb+0x144/0x340 [ 232.702448] 3*128kB [ 232.704511] ndisc_send_rs+0x331/0x6e0 [ 232.708548] (M) [ 232.710877] addrconf_rs_timer+0x3c0/0x6f0 [ 232.714758] 2*256kB [ 232.716735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.720950] (M) [ 232.723291] call_timer_fn+0x272/0x920 [ 232.727500] 3*512kB [ 232.729480] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.733358] (M) [ 232.735686] ? process_timeout+0x40/0x40 [ 232.739899] 4*1024kB [ 232.741872] ? find_held_lock+0x36/0x1c0 [ 232.745915] (UM) [ 232.748330] ? __run_timers+0x7da/0xc70 [ 232.752379] 3*2048kB (UM) [ 232.754478] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.754495] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.758447] 3*4096kB (M) [ 232.761303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.765780] = 25280kB [ 232.770275] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 232.773013] Node 0 [ 232.777246] ? trace_hardirqs_on+0xbd/0x310 [ 232.779639] Normal: [ 232.784219] ? kasan_check_read+0x11/0x20 [ 232.786439] 876*4kB [ 232.790759] ? __run_timers+0x7da/0xc70 [ 232.793060] (UME) [ 232.797213] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.799516] 393*8kB [ 232.803500] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.805623] (UMEH) [ 232.811076] __run_timers+0x7e5/0xc70 [ 232.813379] 183*16kB [ 232.817618] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 232.819833] (UMEH) [ 232.823635] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 232.826019] 70*32kB (UMEH) [ 232.831392] ? graph_lock+0x170/0x170 [ 232.833609] 13*64kB [ 232.838622] ? enqueue_hrtimer+0x1a5/0x560 [ 232.841534] (UMH) [ 232.845332] ? lock_release+0x970/0x970 [ 232.847726] 3*128kB [ 232.851983] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 232.854113] (UH) [ 232.858089] ? find_held_lock+0x36/0x1c0 [ 232.860396] 3*256kB [ 232.865590] ? pvclock_read_flags+0x160/0x160 [ 232.867639] (H) [ 232.871713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.874014] 0*512kB [ 232.878507] ? check_preemption_disabled+0x48/0x200 [ 232.880484] 0*1024kB [ 232.886042] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 232.888341] 0*2048kB [ 232.893376] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.893394] ? rcu_pm_notify+0xc0/0xc0 [ 232.895784] 0*4096kB = 13800kB [ 232.901334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.903736] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 232.909008] ? check_preemption_disabled+0x48/0x200 [ 232.912887] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 232.916081] run_timer_softirq+0x52/0xb0 [ 232.921601] 410 total pagecache pages [ 232.930439] ? rcu_read_lock_sched_held+0x108/0x120 [ 232.935471] 0 pages in swap cache [ 232.944039] __do_softirq+0x30b/0xad8 [ 232.948086] Swap cache stats: add 0, delete 0, find 0/0 [ 232.951887] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 232.956876] Free swap = 0kB [ 232.960327] ? pvclock_read_flags+0x160/0x160 [ 232.964106] Total swap = 0kB [ 232.969491] ? lapic_next_event+0x5a/0x90 [ 232.974574] 1965979 pages RAM [ 232.977592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.982065] 0 pages HighMem/MovableOnly [ 232.985081] ? check_preemption_disabled+0x48/0x200 [ 232.989211] 343323 pages reserved [ 232.992312] ? check_preemption_disabled+0x48/0x200 [ 232.997828] 0 pages cma reserved [ 233.001801] ? kvm_clock_read+0x18/0x30 [ 233.006871] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 233.010245] ? kvm_sched_clock_read+0x9/0x20 [ 233.015303] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 233.018616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.022582] syz-executor1 cpuset= [ 233.029075] ? check_preemption_disabled+0x48/0x200 [ 233.033475] syz1 [ 233.043998] irq_exit+0x17f/0x1c0 [ 233.049514] mems_allowed=0 [ 233.052975] smp_apic_timer_interrupt+0x1cb/0x760 [ 233.071237] ? smp_call_function_single_interrupt+0x650/0x650 [ 233.077134] ? interrupt_entry+0xb5/0xf0 [ 233.081208] ? trace_hardirqs_off_caller+0xbb/0x300 [ 233.086228] ? trace_hardirqs_off_caller+0xbb/0x300 [ 233.091264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.096110] ? trace_hardirqs_off+0x300/0x300 [ 233.100616] ? trace_hardirqs_off+0x300/0x300 [ 233.105114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.110655] ? check_preemption_disabled+0x48/0x200 [ 233.115672] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.121237] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.126124] apic_timer_interrupt+0xf/0x20 [ 233.130353] [ 233.132607] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 233.137712] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 233.156614] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 233.164330] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 233.171624] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 233.178895] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 233.186169] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 233.193444] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 233.200763] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.205270] finish_task_switch+0x1f5/0x900 [ 233.209597] ? finish_task_switch+0x1b5/0x900 [ 233.214105] ? __switch_to_asm+0x34/0x70 [ 233.218176] ? preempt_notifier_register+0x200/0x200 [ 233.223286] ? __switch_to_asm+0x34/0x70 [ 233.227355] ? __switch_to_asm+0x34/0x70 [ 233.231420] ? __switch_to_asm+0x40/0x70 [ 233.235485] ? __switch_to_asm+0x34/0x70 [ 233.239577] ? __switch_to_asm+0x40/0x70 [ 233.243646] ? __switch_to_asm+0x34/0x70 [ 233.247713] ? __switch_to_asm+0x40/0x70 [ 233.251776] ? __switch_to_asm+0x34/0x70 [ 233.255842] ? __switch_to_asm+0x40/0x70 [ 233.259904] ? __switch_to_asm+0x34/0x70 [ 233.263972] ? __switch_to_asm+0x40/0x70 [ 233.268038] ? __switch_to_asm+0x34/0x70 [ 233.272106] ? __switch_to_asm+0x40/0x70 [ 233.276171] ? __switch_to_asm+0x34/0x70 [ 233.280236] ? __switch_to_asm+0x40/0x70 [ 233.284313] __schedule+0x874/0x1ed0 [ 233.288039] ? lockdep_hardirqs_on+0x421/0x5c0 [ 233.292636] ? __sched_text_start+0x8/0x8 [ 233.296796] ? graph_lock+0x170/0x170 [ 233.300610] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.305378] ? lockdep_hardirqs_on+0x421/0x5c0 [ 233.309974] ? retint_kernel+0x2d/0x2d [ 233.313879] ? find_held_lock+0x36/0x1c0 [ 233.317965] schedule+0xfe/0x460 [ 233.321351] ? __schedule+0x1ed0/0x1ed0 [ 233.325332] ? lockdep_hardirqs_on+0x421/0x5c0 [ 233.329923] ? trace_hardirqs_on+0xbd/0x310 [ 233.334250] ? kasan_check_read+0x11/0x20 [ 233.338406] ? worker_thread+0x3ca/0x1390 [ 233.342559] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.348019] ? kasan_check_write+0x14/0x20 [ 233.352262] ? do_raw_spin_lock+0xc1/0x200 [ 233.356507] worker_thread+0x3cf/0x1390 [ 233.360485] ? __switch_to_asm+0x34/0x70 [ 233.364568] ? process_one_work+0x1b90/0x1b90 [ 233.369075] ? graph_lock+0x170/0x170 [ 233.372890] ? __sched_text_start+0x8/0x8 [ 233.377054] ? find_held_lock+0x36/0x1c0 [ 233.381128] ? __kthread_parkme+0xce/0x1a0 [ 233.385368] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 233.390474] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 233.395582] ? lockdep_hardirqs_on+0x421/0x5c0 [ 233.400171] ? trace_hardirqs_on+0xbd/0x310 [ 233.404493] ? kasan_check_read+0x11/0x20 [ 233.408644] ? __kthread_parkme+0xce/0x1a0 [ 233.412884] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.418339] ? kasan_check_write+0x14/0x20 [ 233.422584] ? do_raw_spin_lock+0xc1/0x200 [ 233.426830] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.431938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.437489] ? __kthread_parkme+0xfb/0x1a0 [ 233.441738] kthread+0x35a/0x420 [ 233.445114] ? process_one_work+0x1b90/0x1b90 [ 233.449611] ? kthread_bind+0x40/0x40 [ 233.453422] ret_from_fork+0x3a/0x50 [ 233.457154] Mem-Info: [ 233.457168] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 233.457181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.459596] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 233.459596] active_file:13 inactive_file:18 isolated_file:0 [ 233.459596] unevictable:0 dirty:0 writeback:0 unstable:0 [ 233.459596] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 233.459596] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 233.459596] free:13747 free_pcp:307 free_cma:0 [ 233.466762] Call Trace: [ 233.476155] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 233.509006] [ 233.511585] Node 0 [ 233.539260] dump_stack+0x1c4/0x2b4 [ 233.541415] 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 [ 233.543632] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.547241] lowmem_reserve[]: [ 233.572750] warn_alloc.cold.118+0xb7/0x1bd [ 233.577908] 0 [ 233.581014] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.585313] 2815 [ 233.587118] ? lock_downgrade+0x900/0x900 [ 233.591936] 6318 [ 233.594011] ? trace_hardirqs_off+0xb8/0x300 [ 233.598129] 6318 [ 233.600204] ? trace_hardirqs_off+0xb8/0x300 [ 233.604588] Node 0 [ 233.606659] __alloc_pages_slowpath+0x2667/0x2d80 [ 233.611068] DMA32 free:25280kB 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 [ 233.613304] ? warn_alloc+0x120/0x120 [ 233.618102] lowmem_reserve[]: [ 233.645079] ? warn_alloc+0x120/0x120 [ 233.648855] 0 [ 233.651964] ? print_usage_bug+0xc0/0xc0 [ 233.655739] 0 [ 233.657542] ? warn_alloc+0x120/0x120 [ 233.661581] 3503 [ 233.663385] ? print_usage_bug+0xc0/0xc0 [ 233.667156] 3503 [ 233.669226] ? __lock_acquire+0x7ec/0x4ec0 [ 233.673265] Node 0 [ 233.675328] ? __lock_acquire+0x7ec/0x4ec0 [ 233.679562] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 233.681773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.685979] lowmem_reserve[]: 0 [ 233.714354] ? should_fail+0x22d/0xd01 [ 233.719863] 0 0 [ 233.723151] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.727013] 0 [ 233.728996] ? __lock_acquire+0x7ec/0x4ec0 [ 233.734075] Node 0 [ 233.735876] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.740090] DMA: [ 233.742326] ? __lock_acquire+0x7ec/0x4ec0 [ 233.747408] 1*4kB [ 233.749474] ? should_fail+0x22d/0xd01 [ 233.753684] (U) [ 233.755864] ? mark_held_locks+0x130/0x130 [ 233.759723] 0*8kB [ 233.761696] ? mark_held_locks+0x130/0x130 [ 233.765910] 0*16kB [ 233.768054] ? graph_lock+0x170/0x170 [ 233.772268] 1*32kB [ 233.774502] ? graph_lock+0x170/0x170 [ 233.778279] (U) [ 233.780510] ? graph_lock+0x170/0x170 [ 233.784294] 2*64kB [ 233.786269] ? print_usage_bug+0xc0/0xc0 [ 233.790050] (U) [ 233.792287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.796328] 1*128kB [ 233.798345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.803863] (U) [ 233.806185] ? check_preemption_disabled+0x48/0x200 [ 233.811704] 1*256kB [ 233.813679] ? check_preemption_disabled+0x48/0x200 [ 233.818671] (U) [ 233.821001] ? __lock_is_held+0xb5/0x140 [ 233.826002] 0*512kB [ 233.827983] __alloc_pages_nodemask+0xa80/0xde0 [ 233.832026] 1*1024kB [ 233.834349] ? graph_lock+0x170/0x170 [ 233.838999] (U) [ 233.841413] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 233.845190] 1*2048kB [ 233.847161] ? graph_lock+0x170/0x170 [ 233.852159] (M) [ 233.854576] ? find_held_lock+0x36/0x1c0 [ 233.858354] 3*4096kB [ 233.860334] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.864371] (M) [ 233.866779] ? lock_downgrade+0x900/0x900 [ 233.871427] = 15908kB [ 233.873407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.877535] Node 0 [ 233.879958] cache_grow_begin+0x91/0x8c0 [ 233.885465] DMA32: 4*4kB [ 233.887709] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.891750] (UM) [ 233.894514] fallback_alloc+0x203/0x2e0 [ 233.898894] 2*8kB (M) [ 233.900984] ____cache_alloc_node+0x1c7/0x1e0 [ 233.904941] 2*16kB [ 233.907452] kmem_cache_alloc_node+0xe3/0x730 [ 233.911925] (UM) [ 233.914164] ? ipv6_get_ifaddr+0x42e/0x620 [ 233.918633] 2*32kB (UM) [ 233.920711] __alloc_skb+0x119/0x770 [ 233.924918] 3*64kB [ 233.927599] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.931288] (UM) [ 233.933525] ? skb_scrub_packet+0x490/0x490 [ 233.938786] 3*128kB [ 233.940845] ? lock_downgrade+0x900/0x900 [ 233.945143] (M) 2*256kB [ 233.947487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.951609] (M) [ 233.954284] ? refcount_sub_and_test_checked+0x203/0x310 [ 233.959795] 3*512kB [ 233.961768] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 233.967195] (M) [ 233.969520] ? addrconf_rs_timer+0x6f0/0x6f0 [ 233.974964] 4*1024kB [ 233.976951] ndisc_alloc_skb+0x144/0x340 [ 233.981321] (UM) [ 233.983736] ndisc_send_rs+0x331/0x6e0 [ 233.987773] 3*2048kB [ 233.989841] addrconf_rs_timer+0x3c0/0x6f0 [ 233.993702] (UM) [ 233.996113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.000324] 3*4096kB [ 234.002395] call_timer_fn+0x272/0x920 [ 234.006601] (M) [ 234.009010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.012867] = 25280kB [ 234.012877] Node 0 [ 234.014853] ? process_timeout+0x40/0x40 [ 234.019069] Normal: [ 234.021482] ? find_held_lock+0x36/0x1c0 [ 234.023699] 876*4kB [ 234.027977] ? __run_timers+0x7da/0xc70 [ 234.030285] (UME) [ 234.034347] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.036663] 393*8kB [ 234.040641] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.042791] (UMEH) [ 234.047279] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.047297] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 234.049604] 183*16kB [ 234.054092] ? trace_hardirqs_on+0xbd/0x310 [ 234.056310] (UMEH) [ 234.060541] ? kasan_check_read+0x11/0x20 [ 234.065101] 70*32kB [ 234.067510] ? __run_timers+0x7da/0xc70 [ 234.071805] (UMEH) [ 234.074044] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.078173] 13*64kB [ 234.080501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.084452] (UMH) [ 234.086699] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.092126] 3*128kB [ 234.094453] __run_timers+0x7e5/0xc70 [ 234.098667] (UH) [ 234.100825] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 234.105032] 3*256kB [ 234.107354] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 234.111135] (H) [ 234.113198] ? graph_lock+0x170/0x170 [ 234.118551] 0*512kB [ 234.120886] ? enqueue_hrtimer+0x1a5/0x560 [ 234.125882] 0*1024kB [ 234.127856] ? lock_release+0x970/0x970 [ 234.131640] 0*2048kB [ 234.134490] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 234.138705] 0*4096kB = 13800kB [ 234.141127] ? find_held_lock+0x36/0x1c0 [ 234.145086] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 234.147495] ? graph_lock+0x170/0x170 [ 234.152682] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 234.155866] ? pvclock_read_flags+0x160/0x160 [ 234.159905] 410 total pagecache pages [ 234.168737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.172523] 0 pages in swap cache [ 234.181090] ? check_preemption_disabled+0x48/0x200 [ 234.185566] Swap cache stats: add 0, delete 0, find 0/0 [ 234.189367] ? __lock_is_held+0xb5/0x140 [ 234.194877] Free swap = 0kB [ 234.198329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.203320] Total swap = 0kB [ 234.208678] ? check_preemption_disabled+0x48/0x200 [ 234.212721] 1965979 pages RAM [ 234.215742] run_timer_softirq+0x52/0xb0 [ 234.221245] 0 pages HighMem/MovableOnly [ 234.221255] 343323 pages reserved [ 234.224276] ? rcu_read_lock_sched_held+0x108/0x120 [ 234.229270] 0 pages cma reserved [ 234.232374] __do_softirq+0x30b/0xad8 [ 234.236474] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.240393] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 234.240416] ? pvclock_read_flags+0x160/0x160 [ 234.243909] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.248868] ? lapic_next_event+0x5a/0x90 [ 234.252219] kworker/0:1 cpuset= [ 234.256024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.262491] / [ 234.267590] ? check_preemption_disabled+0x48/0x200 [ 234.272065] mems_allowed=0 [ 234.282373] ? check_preemption_disabled+0x48/0x200 [ 234.309909] ? kvm_clock_read+0x18/0x30 [ 234.313890] ? kvm_sched_clock_read+0x9/0x20 [ 234.318314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.323894] ? check_preemption_disabled+0x48/0x200 [ 234.328927] irq_exit+0x17f/0x1c0 [ 234.332395] smp_apic_timer_interrupt+0x1cb/0x760 [ 234.337240] ? smp_reschedule_interrupt+0x109/0x650 [ 234.342259] ? smp_call_function_single_interrupt+0x650/0x650 [ 234.348159] ? interrupt_entry+0xb5/0xf0 [ 234.352223] ? trace_hardirqs_off_caller+0xbb/0x300 [ 234.357243] ? trace_hardirqs_off_caller+0xbb/0x300 [ 234.362261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.367119] ? trace_hardirqs_off+0x300/0x300 [ 234.371616] ? trace_hardirqs_off+0x300/0x300 [ 234.376138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.381677] ? check_preemption_disabled+0x48/0x200 [ 234.386703] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.391563] apic_timer_interrupt+0xf/0x20 [ 234.395823] [ 234.398069] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 234.402999] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 234.421902] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 234.429622] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 234.436889] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 234.444154] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 234.451433] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 234.458707] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 234.466021] skb_clone+0x1bb/0x500 [ 234.469569] ? skb_split+0x11e0/0x11e0 [ 234.473472] ? preempt_notifier_register+0x200/0x200 [ 234.478575] ? __switch_to_asm+0x34/0x70 [ 234.482635] ? __switch_to_asm+0x34/0x70 [ 234.486741] ? __switch_to_asm+0x40/0x70 [ 234.490800] ? __switch_to_asm+0x34/0x70 [ 234.494877] ? __switch_to_asm+0x40/0x70 [ 234.498939] ? __switch_to_asm+0x40/0x70 [ 234.503021] ? __switch_to_asm+0x34/0x70 [ 234.507086] ? __switch_to_asm+0x34/0x70 [ 234.511147] ? __switch_to_asm+0x40/0x70 [ 234.515209] ? __switch_to_asm+0x34/0x70 [ 234.519279] bpf_clone_redirect+0xb9/0x490 [ 234.523527] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 234.528567] ? __sched_text_start+0x8/0x8 [ 234.532723] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 234.537492] ? find_held_lock+0x36/0x1c0 [ 234.541562] ? lock_acquire+0x1ed/0x520 [ 234.545539] ? bpf_test_run+0x32e/0x5a0 [ 234.549516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.555057] ? check_preemption_disabled+0x48/0x200 [ 234.560081] ? kasan_check_read+0x11/0x20 [ 234.564230] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.569514] ? rcu_bh_qs+0xc0/0xc0 [ 234.573058] ? preempt_schedule+0x4d/0x60 [ 234.577210] ? ___preempt_schedule+0x16/0x18 [ 234.581632] ? bpf_test_run+0x1c0/0x5a0 [ 234.585617] ? netlink_diag_dump+0x2a0/0x2a0 [ 234.590036] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.595587] ? bpf_test_init.isra.9+0x70/0x100 [ 234.600201] ? bpf_prog_test_run_skb+0x634/0xb40 [ 234.604985] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.609832] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 234.615407] ? fput+0x130/0x1a0 [ 234.618690] ? __bpf_prog_get+0x9b/0x290 [ 234.622755] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 234.627595] ? bpf_prog_test_run+0x130/0x1a0 [ 234.632024] ? __x64_sys_bpf+0x3d8/0x510 [ 234.636087] ? bpf_prog_get+0x20/0x20 [ 234.639899] ? ksys_ioctl+0x81/0xd0 [ 234.643551] ? do_syscall_64+0x1b9/0x820 [ 234.647618] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 234.652989] ? syscall_return_slowpath+0x5e0/0x5e0 [ 234.657925] ? trace_hardirqs_off+0x300/0x300 [ 234.662463] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 234.667510] ? recalc_sigpending_tsk+0x180/0x180 [ 234.672268] ? kasan_check_write+0x14/0x20 [ 234.676516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.681369] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 234.686754] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 234.686851] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.693594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.693628] Workqueue: (null) [ 234.700196] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.709435] (events) [ 234.713499] syz-executor1 cpuset= [ 234.723992] Call Trace: [ 234.726396] syz1 [ 234.729843] [ 234.732421] mems_allowed=0 [ 234.734394] dump_stack+0x1c4/0x2b4 [ 234.743065] ? dump_stack_print_info.cold.2+0x52/0x52 [ 234.748273] warn_alloc.cold.118+0xb7/0x1bd [ 234.752600] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 234.757454] ? lock_downgrade+0x900/0x900 [ 234.761612] ? trace_hardirqs_off+0xb8/0x300 [ 234.766031] ? trace_hardirqs_off+0xb8/0x300 [ 234.770460] __alloc_pages_slowpath+0x2667/0x2d80 [ 234.775350] ? warn_alloc+0x120/0x120 [ 234.779158] ? warn_alloc+0x120/0x120 [ 234.782973] ? print_usage_bug+0xc0/0xc0 [ 234.787054] ? warn_alloc+0x120/0x120 [ 234.790857] ? print_usage_bug+0xc0/0xc0 [ 234.794929] ? __lock_acquire+0x7ec/0x4ec0 [ 234.799170] ? __lock_acquire+0x7ec/0x4ec0 [ 234.803410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.808952] ? should_fail+0x22d/0xd01 [ 234.812855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.817954] ? __lock_acquire+0x7ec/0x4ec0 [ 234.822225] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.827342] ? __lock_acquire+0x7ec/0x4ec0 [ 234.831574] ? should_fail+0x22d/0xd01 [ 234.835519] ? mark_held_locks+0x130/0x130 [ 234.839764] ? mark_held_locks+0x130/0x130 [ 234.844015] ? graph_lock+0x170/0x170 [ 234.847814] ? graph_lock+0x170/0x170 [ 234.851619] ? graph_lock+0x170/0x170 [ 234.855430] ? print_usage_bug+0xc0/0xc0 [ 234.859491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.865044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.870581] ? check_preemption_disabled+0x48/0x200 [ 234.875606] ? check_preemption_disabled+0x48/0x200 [ 234.880637] ? __lock_is_held+0xb5/0x140 [ 234.884706] __alloc_pages_nodemask+0xa80/0xde0 [ 234.889378] ? graph_lock+0x170/0x170 [ 234.893199] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 234.898216] ? graph_lock+0x170/0x170 [ 234.902030] ? find_held_lock+0x36/0x1c0 [ 234.906104] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.910773] ? lock_downgrade+0x900/0x900 [ 234.914926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.920478] cache_grow_begin+0x91/0x8c0 [ 234.924553] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.928986] fallback_alloc+0x203/0x2e0 [ 234.932990] ____cache_alloc_node+0x1c7/0x1e0 [ 234.937495] kmem_cache_alloc_node+0xe3/0x730 [ 234.941996] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.946246] __alloc_skb+0x119/0x770 [ 234.949970] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.955270] ? skb_scrub_packet+0x490/0x490 [ 234.959591] ? lock_downgrade+0x900/0x900 [ 234.963750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.969292] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.974747] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.980199] ? addrconf_rs_timer+0x6f0/0x6f0 [ 234.984620] ndisc_alloc_skb+0x144/0x340 [ 234.988696] ndisc_send_rs+0x331/0x6e0 [ 234.992594] addrconf_rs_timer+0x3c0/0x6f0 [ 234.996840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.001092] call_timer_fn+0x272/0x920 [ 235.004987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.009231] ? process_timeout+0x40/0x40 [ 235.013294] ? find_held_lock+0x36/0x1c0 [ 235.017373] ? __run_timers+0x7da/0xc70 [ 235.021350] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.025871] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.030378] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.034615] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 235.039200] ? trace_hardirqs_on+0xbd/0x310 [ 235.043522] ? kasan_check_read+0x11/0x20 [ 235.047685] ? __run_timers+0x7da/0xc70 [ 235.051662] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.057125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.061367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.065604] __run_timers+0x7e5/0xc70 [ 235.069423] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 235.074792] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 235.079813] ? graph_lock+0x170/0x170 [ 235.083617] ? enqueue_hrtimer+0x1a5/0x560 [ 235.087858] ? lock_release+0x970/0x970 [ 235.091878] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 235.097089] ? find_held_lock+0x36/0x1c0 [ 235.101166] ? pvclock_read_flags+0x160/0x160 [ 235.105663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.111204] ? check_preemption_disabled+0x48/0x200 [ 235.116239] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 235.121782] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.127088] ? rcu_pm_notify+0xc0/0xc0 [ 235.130988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.136526] ? check_preemption_disabled+0x48/0x200 [ 235.141556] run_timer_softirq+0x52/0xb0 [ 235.145623] ? rcu_read_lock_sched_held+0x108/0x120 [ 235.150653] __do_softirq+0x30b/0xad8 [ 235.154491] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 235.159606] ? pvclock_read_flags+0x160/0x160 [ 235.164103] ? lapic_next_event+0x5a/0x90 [ 235.168255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.173792] ? check_preemption_disabled+0x48/0x200 [ 235.178810] ? check_preemption_disabled+0x48/0x200 [ 235.183835] ? kvm_clock_read+0x18/0x30 [ 235.187810] ? kvm_sched_clock_read+0x9/0x20 [ 235.192225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.197764] ? check_preemption_disabled+0x48/0x200 [ 235.202799] irq_exit+0x17f/0x1c0 [ 235.206261] smp_apic_timer_interrupt+0x1cb/0x760 [ 235.211117] ? smp_call_function_single_interrupt+0x650/0x650 [ 235.217006] ? interrupt_entry+0xb5/0xf0 [ 235.221074] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.226090] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.231114] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.235975] ? trace_hardirqs_off+0x300/0x300 [ 235.240483] ? trace_hardirqs_off+0x300/0x300 [ 235.244991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.250544] ? check_preemption_disabled+0x48/0x200 [ 235.255592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.261145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.266003] apic_timer_interrupt+0xf/0x20 [ 235.270233] [ 235.272487] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 235.277593] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 235.296533] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 235.304254] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 235.311523] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 235.318806] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 235.326079] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 235.333349] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 235.340655] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.345163] finish_task_switch+0x1f5/0x900 [ 235.349500] ? finish_task_switch+0x1b5/0x900 [ 235.354010] ? __switch_to_asm+0x34/0x70 [ 235.358083] ? preempt_notifier_register+0x200/0x200 [ 235.363187] ? __switch_to_asm+0x34/0x70 [ 235.367253] ? __switch_to_asm+0x34/0x70 [ 235.371316] ? __switch_to_asm+0x40/0x70 [ 235.375394] ? __switch_to_asm+0x34/0x70 [ 235.379455] ? __switch_to_asm+0x40/0x70 [ 235.383518] ? __switch_to_asm+0x34/0x70 [ 235.387577] ? __switch_to_asm+0x40/0x70 [ 235.391637] ? __switch_to_asm+0x34/0x70 [ 235.395698] ? __switch_to_asm+0x40/0x70 [ 235.399760] ? __switch_to_asm+0x34/0x70 [ 235.403835] ? __switch_to_asm+0x40/0x70 [ 235.407892] ? __switch_to_asm+0x34/0x70 [ 235.411953] ? __switch_to_asm+0x40/0x70 [ 235.416022] ? __switch_to_asm+0x34/0x70 [ 235.420085] ? __switch_to_asm+0x40/0x70 [ 235.424156] __schedule+0x874/0x1ed0 [ 235.427872] ? lockdep_hardirqs_on+0x421/0x5c0 [ 235.432467] ? __sched_text_start+0x8/0x8 [ 235.436635] ? graph_lock+0x170/0x170 [ 235.440441] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 235.445204] ? lockdep_hardirqs_on+0x421/0x5c0 [ 235.449794] ? retint_kernel+0x2d/0x2d [ 235.453688] ? find_held_lock+0x36/0x1c0 [ 235.457763] schedule+0xfe/0x460 [ 235.461138] ? __schedule+0x1ed0/0x1ed0 [ 235.465114] ? lockdep_hardirqs_on+0x421/0x5c0 [ 235.469704] ? trace_hardirqs_on+0xbd/0x310 [ 235.474027] ? kasan_check_read+0x11/0x20 [ 235.478179] ? worker_thread+0x3ca/0x1390 [ 235.482329] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.487786] ? kasan_check_write+0x14/0x20 [ 235.492031] ? do_raw_spin_lock+0xc1/0x200 [ 235.496274] worker_thread+0x3cf/0x1390 [ 235.500250] ? __switch_to_asm+0x34/0x70 [ 235.504328] ? process_one_work+0x1b90/0x1b90 [ 235.508835] ? graph_lock+0x170/0x170 [ 235.512651] ? __sched_text_start+0x8/0x8 [ 235.516817] ? find_held_lock+0x36/0x1c0 [ 235.520896] ? __kthread_parkme+0xce/0x1a0 [ 235.525141] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 235.530256] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 235.535370] ? lockdep_hardirqs_on+0x421/0x5c0 [ 235.539966] ? trace_hardirqs_on+0xbd/0x310 [ 235.544288] ? kasan_check_read+0x11/0x20 [ 235.548444] ? __kthread_parkme+0xce/0x1a0 [ 235.552684] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.558145] ? kasan_check_write+0x14/0x20 [ 235.562384] ? do_raw_spin_lock+0xc1/0x200 [ 235.566634] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.571744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.577284] ? __kthread_parkme+0xfb/0x1a0 [ 235.581528] kthread+0x35a/0x420 [ 235.584899] ? process_one_work+0x1b90/0x1b90 [ 235.589400] ? kthread_bind+0x40/0x40 [ 235.593210] ret_from_fork+0x3a/0x50 [ 235.596942] warn_alloc_show_mem: 1 callbacks suppressed [ 235.596946] Mem-Info: [ 235.596966] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 235.602419] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 235.602419] active_file:13 inactive_file:18 isolated_file:0 [ 235.602419] unevictable:0 dirty:0 writeback:0 unstable:0 [ 235.602419] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 235.602419] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 235.602419] free:13747 free_pcp:307 free_cma:0 [ 235.604809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.604818] Call Trace: [ 235.612042] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 235.644901] [ 235.654254] Node 0 [ 235.656842] dump_stack+0x1c4/0x2b4 [ 235.684524] 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 [ 235.686680] ? dump_stack_print_info.cold.2+0x52/0x52 [ 235.688883] lowmem_reserve[]: [ 235.692524] warn_alloc.cold.118+0xb7/0x1bd [ 235.717996] 0 2815 [ 235.723210] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 235.726293] 6318 [ 235.730619] ? lock_downgrade+0x900/0x900 [ 235.732826] 6318 [ 235.737685] ? trace_hardirqs_off+0xb8/0x300 [ 235.739721] Node 0 [ 235.743870] ? trace_hardirqs_off+0xb8/0x300 [ 235.745936] DMA32 free:25280kB 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 [ 235.750326] __alloc_pages_slowpath+0x2667/0x2d80 [ 235.752536] lowmem_reserve[]: [ 235.756983] ? warn_alloc+0x120/0x120 [ 235.783933] 0 0 [ 235.788808] ? trace_hardirqs_on+0x310/0x310 [ 235.791880] 3503 3503 [ 235.795692] ? warn_alloc+0x120/0x120 [ 235.797643] Node 0 [ 235.802056] ? print_usage_bug+0xc0/0xc0 [ 235.804554] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 235.808330] ? warn_alloc+0x120/0x120 [ 235.810533] lowmem_reserve[]: 0 [ 235.814604] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 235.842951] 0 0 [ 235.846775] ? print_usage_bug+0xc0/0xc0 [ 235.850020] 0 [ 235.855067] ? __lock_acquire+0x7ec/0x4ec0 [ 235.857019] Node 0 [ 235.861086] ? __lock_acquire+0x7ec/0x4ec0 [ 235.862864] DMA: [ 235.867102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.869314] 1*4kB [ 235.873548] ? should_fail+0x22d/0xd01 [ 235.875588] (U) [ 235.881126] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.883247] 0*8kB 0*16kB [ 235.887144] ? __lock_acquire+0x7ec/0x4ec0 [ 235.889099] 1*32kB [ 235.894200] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.896932] (U) [ 235.901173] ? __lock_acquire+0x7ec/0x4ec0 [ 235.903386] 2*64kB [ 235.908495] ? should_fail+0x22d/0xd01 [ 235.908512] ? print_usage_bug+0xc0/0xc0 [ 235.910464] (U) 1*128kB [ 235.914713] ? mark_held_locks+0x130/0x130 [ 235.916915] (U) 1*256kB [ 235.920823] ? mark_held_locks+0x130/0x130 [ 235.924862] (U) [ 235.927532] ? graph_lock+0x170/0x170 [ 235.931764] 0*512kB [ 235.934433] ? print_usage_bug+0xc0/0xc0 [ 235.938649] 1*1024kB [ 235.940622] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 235.944400] (U) [ 235.946725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.950765] 1*2048kB [ 235.953170] ? check_preemption_disabled+0x48/0x200 [ 235.957927] (M) [ 235.959936] ? check_preemption_disabled+0x48/0x200 [ 235.965450] 3*4096kB [ 235.967872] ? __lock_is_held+0xb5/0x140 [ 235.972868] (M) [ 235.974846] __alloc_pages_nodemask+0xa80/0xde0 [ 235.979831] = 15908kB [ 235.979841] Node 0 [ 235.982255] ? graph_lock+0x170/0x170 [ 235.986287] DMA32: 4*4kB [ 235.988273] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 235.992916] (UM) [ 235.995325] ? graph_lock+0x170/0x170 [ 235.997544] 2*8kB [ 236.001360] ? find_held_lock+0x36/0x1c0 [ 236.004119] (M) [ 236.009137] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.011169] 2*16kB (UM) [ 236.014982] ? lock_downgrade+0x900/0x900 [ 236.017114] 2*32kB [ 236.021178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.023128] (UM) [ 236.027998] cache_grow_begin+0x91/0x8c0 [ 236.030653] 3*64kB [ 236.034797] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.037013] (UM) [ 236.042551] fallback_alloc+0x203/0x2e0 [ 236.044587] 3*128kB [ 236.048646] ____cache_alloc_node+0x1c7/0x1e0 [ 236.050864] (M) [ 236.055272] kmem_cache_alloc_node+0xe3/0x730 [ 236.057314] 2*256kB [ 236.061286] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.063588] (M) [ 236.068084] __alloc_skb+0x119/0x770 [ 236.070034] 3*512kB [ 236.074526] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.076822] (M) [ 236.081066] ? skb_scrub_packet+0x490/0x490 [ 236.083023] 4*1024kB [ 236.086733] ? lock_downgrade+0x900/0x900 [ 236.089036] (UM) [ 236.094314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.096266] 3*2048kB [ 236.100587] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.102976] (UM) [ 236.107121] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.109164] 3*4096kB [ 236.114697] ? addrconf_rs_timer+0x6f0/0x6f0 [ 236.117086] (M) [ 236.122544] ndisc_alloc_skb+0x144/0x340 [ 236.124578] = 25280kB [ 236.130025] ndisc_send_rs+0x331/0x6e0 [ 236.132423] Node 0 [ 236.137310] addrconf_rs_timer+0x3c0/0x6f0 [ 236.139263] Normal: [ 236.143321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.145707] 876*4kB [ 236.149616] call_timer_fn+0x272/0x920 [ 236.151821] (UME) [ 236.156076] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.158372] 393*8kB (UMEH) [ 236.162615] ? process_timeout+0x40/0x40 [ 236.164911] 183*16kB (UMEH) [ 236.168827] ? find_held_lock+0x36/0x1c0 [ 236.170950] 70*32kB (UMEH) [ 236.175198] ? __run_timers+0x7da/0xc70 [ 236.178107] 13*64kB [ 236.182172] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.185169] (UMH) [ 236.189226] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.192131] 3*128kB (UH) [ 236.196109] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.198402] 3*256kB (H) [ 236.202917] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 236.205048] 0*512kB [ 236.209541] ? trace_hardirqs_on+0xbd/0x310 [ 236.212280] 0*1024kB [ 236.216513] ? kasan_check_read+0x11/0x20 [ 236.219165] 0*2048kB [ 236.223746] ? __run_timers+0x7da/0xc70 [ 236.226048] 0*4096kB [ 236.230367] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.232792] = 13800kB [ 236.232807] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 236.236966] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.239380] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 236.243375] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.245761] 410 total pagecache pages [ 236.251206] __run_timers+0x7e5/0xc70 [ 236.253611] 0 pages in swap cache [ 236.262476] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 236.266680] Swap cache stats: add 0, delete 0, find 0/0 [ 236.275256] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 236.279464] Free swap = 0kB [ 236.279474] Total swap = 0kB [ 236.283275] ? graph_lock+0x170/0x170 [ 236.287051] 1965979 pages RAM [ 236.290497] ? enqueue_hrtimer+0x1a5/0x560 [ 236.295840] 0 pages HighMem/MovableOnly [ 236.301199] ? lock_release+0x970/0x970 [ 236.306188] 343323 pages reserved [ 236.306198] 0 pages cma reserved [ 236.309213] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 236.312267] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 236.316012] ? find_held_lock+0x36/0x1c0 [ 236.319176] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.323327] ? graph_lock+0x170/0x170 [ 236.327279] kworker/0:1 cpuset= [ 236.331253] ? pvclock_read_flags+0x160/0x160 [ 236.334709] / [ 236.338078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.343247] mems_allowed=0 [ 236.349732] ? check_preemption_disabled+0x48/0x200 [ 236.390759] ? __lock_is_held+0xb5/0x140 [ 236.394823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.400362] ? check_preemption_disabled+0x48/0x200 [ 236.405392] run_timer_softirq+0x52/0xb0 [ 236.409464] ? rcu_read_lock_sched_held+0x108/0x120 [ 236.414492] __do_softirq+0x30b/0xad8 [ 236.418308] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 236.423424] ? pvclock_read_flags+0x160/0x160 [ 236.427928] ? lapic_next_event+0x5a/0x90 [ 236.432086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.437627] ? check_preemption_disabled+0x48/0x200 [ 236.442656] ? check_preemption_disabled+0x48/0x200 [ 236.447681] ? kvm_clock_read+0x18/0x30 [ 236.451659] ? kvm_sched_clock_read+0x9/0x20 [ 236.456083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.461620] ? check_preemption_disabled+0x48/0x200 [ 236.466665] irq_exit+0x17f/0x1c0 [ 236.470143] smp_apic_timer_interrupt+0x1cb/0x760 [ 236.474993] ? smp_reschedule_interrupt+0x109/0x650 [ 236.480012] ? smp_call_function_single_interrupt+0x650/0x650 [ 236.485903] ? interrupt_entry+0xb5/0xf0 [ 236.489975] ? trace_hardirqs_off_caller+0xbb/0x300 [ 236.494996] ? trace_hardirqs_off_caller+0xbb/0x300 [ 236.500017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.504865] ? trace_hardirqs_off+0x300/0x300 [ 236.509361] ? trace_hardirqs_off+0x300/0x300 [ 236.513859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.519397] ? check_preemption_disabled+0x48/0x200 [ 236.524426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.529294] apic_timer_interrupt+0xf/0x20 [ 236.533527] [ 236.535768] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 236.540702] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 236.559602] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 236.567339] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 236.574611] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 236.581882] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 236.589149] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 236.596416] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 236.603751] skb_clone+0x1bb/0x500 [ 236.607296] ? skb_split+0x11e0/0x11e0 [ 236.611189] ? preempt_notifier_register+0x200/0x200 [ 236.616294] ? __switch_to_asm+0x34/0x70 [ 236.620356] ? __switch_to_asm+0x34/0x70 [ 236.624436] ? __switch_to_asm+0x40/0x70 [ 236.628501] ? __switch_to_asm+0x34/0x70 [ 236.632576] ? __switch_to_asm+0x40/0x70 [ 236.636650] ? __switch_to_asm+0x40/0x70 [ 236.640711] ? __switch_to_asm+0x34/0x70 [ 236.644796] ? __switch_to_asm+0x34/0x70 [ 236.648874] ? __switch_to_asm+0x40/0x70 [ 236.652937] ? __switch_to_asm+0x34/0x70 [ 236.657034] bpf_clone_redirect+0xb9/0x490 [ 236.661280] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 236.666304] ? __sched_text_start+0x8/0x8 [ 236.670466] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.675236] ? find_held_lock+0x36/0x1c0 [ 236.679309] ? lock_acquire+0x1ed/0x520 [ 236.683289] ? bpf_test_run+0x32e/0x5a0 [ 236.687268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.692811] ? check_preemption_disabled+0x48/0x200 [ 236.697840] ? kasan_check_read+0x11/0x20 [ 236.702008] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.707291] ? rcu_bh_qs+0xc0/0xc0 [ 236.710839] ? preempt_schedule+0x4d/0x60 [ 236.714992] ? ___preempt_schedule+0x16/0x18 [ 236.719412] ? bpf_test_run+0x1c0/0x5a0 [ 236.723402] ? netlink_diag_dump+0x2a0/0x2a0 [ 236.727817] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.733363] ? bpf_test_init.isra.9+0x70/0x100 [ 236.737966] ? bpf_prog_test_run_skb+0x634/0xb40 [ 236.742735] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 236.747582] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 236.753121] ? fput+0x130/0x1a0 [ 236.756411] ? __bpf_prog_get+0x9b/0x290 [ 236.760485] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 236.765335] ? bpf_prog_test_run+0x130/0x1a0 [ 236.769752] ? __x64_sys_bpf+0x3d8/0x510 [ 236.773819] ? bpf_prog_get+0x20/0x20 [ 236.777629] ? ksys_ioctl+0x81/0xd0 [ 236.781269] ? do_syscall_64+0x1b9/0x820 [ 236.785335] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 236.790705] ? syscall_return_slowpath+0x5e0/0x5e0 [ 236.795644] ? trace_hardirqs_off+0x300/0x300 [ 236.800148] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 236.805173] ? recalc_sigpending_tsk+0x180/0x180 [ 236.809933] ? kasan_check_write+0x14/0x20 [ 236.814189] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.819044] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 236.824450] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 236.824550] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 236.831307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.831330] Workqueue: (null) (events) [ 236.831343] Call Trace: [ 236.831353] [ 236.837929] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.847195] dump_stack+0x1c4/0x2b4 [ 236.852022] syz-executor1 cpuset= [ 236.854609] ? dump_stack_print_info.cold.2+0x52/0x52 [ 236.856739] syz1 [ 236.867226] warn_alloc.cold.118+0xb7/0x1bd [ 236.870826] mems_allowed=0 [ 236.874273] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 236.893489] ? lock_downgrade+0x900/0x900 [ 236.897649] ? trace_hardirqs_off+0xb8/0x300 [ 236.902066] ? trace_hardirqs_off+0xb8/0x300 [ 236.906494] __alloc_pages_slowpath+0x2667/0x2d80 [ 236.911370] ? warn_alloc+0x120/0x120 [ 236.915181] ? trace_hardirqs_on+0x310/0x310 [ 236.919605] ? warn_alloc+0x120/0x120 [ 236.923411] ? print_usage_bug+0xc0/0xc0 [ 236.927504] ? warn_alloc+0x120/0x120 [ 236.931307] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 236.936324] ? print_usage_bug+0xc0/0xc0 [ 236.940394] ? __lock_acquire+0x7ec/0x4ec0 [ 236.944635] ? __lock_acquire+0x7ec/0x4ec0 [ 236.948876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.954417] ? should_fail+0x22d/0xd01 [ 236.958323] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.963440] ? __lock_acquire+0x7ec/0x4ec0 [ 236.967683] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.972785] ? __lock_acquire+0x7ec/0x4ec0 [ 236.977020] ? should_fail+0x22d/0xd01 [ 236.980915] ? print_usage_bug+0xc0/0xc0 [ 236.984998] ? mark_held_locks+0x130/0x130 [ 236.989256] ? mark_held_locks+0x130/0x130 [ 236.993525] ? graph_lock+0x170/0x170 [ 236.997340] ? print_usage_bug+0xc0/0xc0 [ 237.001402] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 237.006164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.011701] ? check_preemption_disabled+0x48/0x200 [ 237.016719] ? check_preemption_disabled+0x48/0x200 [ 237.021749] ? __lock_is_held+0xb5/0x140 [ 237.025819] __alloc_pages_nodemask+0xa80/0xde0 [ 237.030496] ? graph_lock+0x170/0x170 [ 237.034306] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 237.039321] ? graph_lock+0x170/0x170 [ 237.043134] ? find_held_lock+0x36/0x1c0 [ 237.047209] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.051880] ? lock_downgrade+0x900/0x900 [ 237.056041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.061587] cache_grow_begin+0x91/0x8c0 [ 237.065653] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.070071] fallback_alloc+0x203/0x2e0 [ 237.074057] ____cache_alloc_node+0x1c7/0x1e0 [ 237.078564] kmem_cache_alloc_node+0xe3/0x730 [ 237.083068] ? ipv6_get_ifaddr+0x42e/0x620 [ 237.087317] __alloc_skb+0x119/0x770 [ 237.091038] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.096325] ? skb_scrub_packet+0x490/0x490 [ 237.100664] ? lock_downgrade+0x900/0x900 [ 237.104828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.110368] ? refcount_sub_and_test_checked+0x203/0x310 [ 237.115828] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 237.121283] ? addrconf_rs_timer+0x6f0/0x6f0 [ 237.125705] ndisc_alloc_skb+0x144/0x340 [ 237.129790] ndisc_send_rs+0x331/0x6e0 [ 237.133687] addrconf_rs_timer+0x3c0/0x6f0 [ 237.137934] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.142194] call_timer_fn+0x272/0x920 [ 237.146085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.150324] ? process_timeout+0x40/0x40 [ 237.154401] ? find_held_lock+0x36/0x1c0 [ 237.158491] ? __run_timers+0x7da/0xc70 [ 237.162472] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.166975] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.171471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.175723] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 237.180333] ? trace_hardirqs_on+0xbd/0x310 [ 237.184656] ? kasan_check_read+0x11/0x20 [ 237.188822] ? __run_timers+0x7da/0xc70 [ 237.192828] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.198284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.202529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.206786] __run_timers+0x7e5/0xc70 [ 237.210618] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 237.215989] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.221008] ? graph_lock+0x170/0x170 [ 237.224816] ? enqueue_hrtimer+0x1a5/0x560 [ 237.229055] ? lock_release+0x970/0x970 [ 237.233035] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 237.238240] ? find_held_lock+0x36/0x1c0 [ 237.242313] ? pvclock_read_flags+0x160/0x160 [ 237.246834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.252370] ? check_preemption_disabled+0x48/0x200 [ 237.257413] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 237.262967] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.268248] ? rcu_pm_notify+0xc0/0xc0 [ 237.272140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.277678] ? check_preemption_disabled+0x48/0x200 [ 237.282707] run_timer_softirq+0x52/0xb0 [ 237.286771] ? rcu_read_lock_sched_held+0x108/0x120 [ 237.291797] __do_softirq+0x30b/0xad8 [ 237.295610] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 237.300737] ? pvclock_read_flags+0x160/0x160 [ 237.305250] ? lapic_next_event+0x5a/0x90 [ 237.309403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.314940] ? check_preemption_disabled+0x48/0x200 [ 237.319970] ? check_preemption_disabled+0x48/0x200 [ 237.324998] ? kvm_clock_read+0x18/0x30 [ 237.329002] ? kvm_sched_clock_read+0x9/0x20 [ 237.333420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.338964] ? check_preemption_disabled+0x48/0x200 [ 237.344020] irq_exit+0x17f/0x1c0 [ 237.347502] smp_apic_timer_interrupt+0x1cb/0x760 [ 237.352365] ? smp_call_function_single_interrupt+0x650/0x650 [ 237.358251] ? interrupt_entry+0xb5/0xf0 [ 237.362317] ? trace_hardirqs_off_caller+0xbb/0x300 [ 237.367332] ? trace_hardirqs_off_caller+0xbb/0x300 [ 237.372351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.377195] ? trace_hardirqs_off+0x300/0x300 [ 237.381701] ? trace_hardirqs_off+0x300/0x300 [ 237.386197] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.391738] ? check_preemption_disabled+0x48/0x200 [ 237.396771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.402328] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.407189] apic_timer_interrupt+0xf/0x20 [ 237.411421] [ 237.413668] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 237.418773] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 237.437675] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 237.445386] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 237.452654] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 237.459922] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 237.467191] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 237.474458] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 237.481765] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.486270] finish_task_switch+0x1f5/0x900 [ 237.490593] ? finish_task_switch+0x1b5/0x900 [ 237.495090] ? __switch_to_asm+0x34/0x70 [ 237.499160] ? preempt_notifier_register+0x200/0x200 [ 237.504266] ? __switch_to_asm+0x34/0x70 [ 237.508332] ? __switch_to_asm+0x34/0x70 [ 237.512391] ? __switch_to_asm+0x40/0x70 [ 237.516485] ? __switch_to_asm+0x34/0x70 [ 237.520566] ? __switch_to_asm+0x40/0x70 [ 237.524628] ? __switch_to_asm+0x34/0x70 [ 237.528687] ? __switch_to_asm+0x40/0x70 [ 237.532752] ? __switch_to_asm+0x34/0x70 [ 237.536815] ? __switch_to_asm+0x40/0x70 [ 237.540881] ? __switch_to_asm+0x34/0x70 [ 237.544944] ? __switch_to_asm+0x40/0x70 [ 237.549009] ? __switch_to_asm+0x34/0x70 [ 237.553071] ? __switch_to_asm+0x40/0x70 [ 237.557131] ? __switch_to_asm+0x34/0x70 [ 237.561190] ? __switch_to_asm+0x40/0x70 [ 237.565259] __schedule+0x874/0x1ed0 [ 237.568989] ? lockdep_hardirqs_on+0x421/0x5c0 [ 237.573588] ? __sched_text_start+0x8/0x8 [ 237.577746] ? graph_lock+0x170/0x170 [ 237.581553] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 237.586321] ? lockdep_hardirqs_on+0x421/0x5c0 [ 237.590910] ? retint_kernel+0x2d/0x2d [ 237.594803] ? find_held_lock+0x36/0x1c0 [ 237.598878] schedule+0xfe/0x460 [ 237.602251] ? __schedule+0x1ed0/0x1ed0 [ 237.606233] ? lockdep_hardirqs_on+0x421/0x5c0 [ 237.610819] ? trace_hardirqs_on+0xbd/0x310 [ 237.615143] ? kasan_check_read+0x11/0x20 [ 237.619296] ? worker_thread+0x3ca/0x1390 [ 237.623452] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.628917] ? kasan_check_write+0x14/0x20 [ 237.633160] ? do_raw_spin_lock+0xc1/0x200 [ 237.637403] worker_thread+0x3cf/0x1390 [ 237.641379] ? __switch_to_asm+0x34/0x70 [ 237.645455] ? process_one_work+0x1b90/0x1b90 [ 237.649993] ? graph_lock+0x170/0x170 [ 237.653804] ? __sched_text_start+0x8/0x8 [ 237.657979] ? find_held_lock+0x36/0x1c0 [ 237.662054] ? __kthread_parkme+0xce/0x1a0 [ 237.666296] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 237.671401] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 237.676509] ? lockdep_hardirqs_on+0x421/0x5c0 [ 237.681098] ? trace_hardirqs_on+0xbd/0x310 [ 237.685431] ? kasan_check_read+0x11/0x20 [ 237.689597] ? __kthread_parkme+0xce/0x1a0 [ 237.693835] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.699291] ? kasan_check_write+0x14/0x20 [ 237.703542] ? do_raw_spin_lock+0xc1/0x200 [ 237.707788] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 237.712907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.718453] ? __kthread_parkme+0xfb/0x1a0 [ 237.722695] kthread+0x35a/0x420 [ 237.726074] ? process_one_work+0x1b90/0x1b90 [ 237.730587] ? kthread_bind+0x40/0x40 [ 237.734394] ret_from_fork+0x3a/0x50 [ 237.738147] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 237.738153] warn_alloc_show_mem: 1 callbacks suppressed [ 237.738160] Mem-Info: [ 237.745351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.750726] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 237.750726] active_file:13 inactive_file:18 isolated_file:0 [ 237.750726] unevictable:0 dirty:0 writeback:0 unstable:0 [ 237.750726] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 237.750726] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 237.750726] free:13747 free_pcp:307 free_cma:0 [ 237.753107] Call Trace: [ 237.762503] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 237.795372] [ 237.798067] Node 0 [ 237.825749] dump_stack+0x1c4/0x2b4 [ 237.827907] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 237.830122] ? dump_stack_print_info.cold.2+0x52/0x52 [ 237.833715] lowmem_reserve[]: 0 [ 237.859245] warn_alloc.cold.118+0xb7/0x1bd [ 237.864414] 2815 [ 237.867695] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 237.871987] 6318 [ 237.874052] ? lock_downgrade+0x900/0x900 [ 237.878862] 6318 [ 237.880961] ? trace_hardirqs_off+0xb8/0x300 [ 237.885083] Node 0 [ 237.887148] ? trace_hardirqs_off+0xb8/0x300 [ 237.891562] DMA32 free:25280kB 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 [ 237.893785] __alloc_pages_slowpath+0x2667/0x2d80 [ 237.898158] lowmem_reserve[]: 0 [ 237.925196] ? warn_alloc+0x120/0x120 [ 237.930005] 0 [ 237.933289] ? trace_hardirqs_on+0x310/0x310 [ 237.937065] 3503 [ 237.938870] ? warn_alloc+0x120/0x120 [ 237.943251] 3503 [ 237.945315] ? print_usage_bug+0xc0/0xc0 [ 237.949092] Node 0 [ 237.951153] ? warn_alloc+0x120/0x120 [ 237.955216] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 237.957435] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 237.961200] lowmem_reserve[]: 0 [ 237.989593] ? print_usage_bug+0xc0/0xc0 [ 237.994589] 0 [ 237.997865] ? __lock_acquire+0x7ec/0x4ec0 [ 238.001894] 0 0 [ 238.003703] ? __lock_acquire+0x7ec/0x4ec0 [ 238.007920] Node 0 [ 238.009905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.014122] DMA: [ 238.016359] ? should_fail+0x22d/0xd01 [ 238.021891] 1*4kB [ 238.023985] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.028358] (U) 0*8kB [ 238.030524] ? __lock_acquire+0x7ec/0x4ec0 [ 238.035609] 0*16kB [ 238.038108] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.042321] 1*32kB [ 238.044559] ? __lock_acquire+0x7ec/0x4ec0 [ 238.049633] (U) 2*64kB [ 238.051878] ? should_fail+0x22d/0xd01 [ 238.056701] (U) [ 238.059286] ? print_usage_bug+0xc0/0xc0 [ 238.063143] 1*128kB (U) [ 238.065137] ? mark_held_locks+0x130/0x130 [ 238.069166] 1*256kB [ 238.071837] ? mark_held_locks+0x130/0x130 [ 238.076045] (U) [ 238.078373] ? graph_lock+0x170/0x170 [ 238.082580] 0*512kB [ 238.084550] ? print_usage_bug+0xc0/0xc0 [ 238.088327] 1*1024kB [ 238.090649] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 238.094684] (U) [ 238.097093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.101823] 1*2048kB [ 238.103799] ? check_preemption_disabled+0x48/0x200 [ 238.109316] (M) [ 238.111729] ? check_preemption_disabled+0x48/0x200 [ 238.116724] 3*4096kB [ 238.118707] ? __lock_is_held+0xb5/0x140 [ 238.123691] (M) [ 238.126102] __alloc_pages_nodemask+0xa80/0xde0 [ 238.130135] = 15908kB [ 238.130145] Node 0 [ 238.132122] ? graph_lock+0x170/0x170 [ 238.136943] DMA32: 4*4kB (UM) [ 238.139378] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.141588] 2*8kB (M) [ 238.145398] ? graph_lock+0x170/0x170 [ 238.148569] 2*16kB [ 238.153588] ? find_held_lock+0x36/0x1c0 [ 238.156056] (UM) [ 238.159858] ? ____cache_alloc_node+0x1c7/0x1e0 [ 238.162069] 2*32kB [ 238.166123] ? lock_downgrade+0x900/0x900 [ 238.168163] (UM) [ 238.172837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.175046] 3*64kB [ 238.179190] cache_grow_begin+0x91/0x8c0 [ 238.181229] (UM) [ 238.186763] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.188985] 3*128kB [ 238.193047] fallback_alloc+0x203/0x2e0 [ 238.195086] (M) [ 238.199499] ____cache_alloc_node+0x1c7/0x1e0 [ 238.201802] 2*256kB (M) [ 238.205810] kmem_cache_alloc_node+0xe3/0x730 [ 238.207777] 3*512kB [ 238.212271] ? ipv6_get_ifaddr+0x42e/0x620 [ 238.214921] (M) [ 238.219425] __alloc_skb+0x119/0x770 [ 238.221717] 4*1024kB (UM) [ 238.225969] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.227927] 3*2048kB [ 238.231640] ? skb_scrub_packet+0x490/0x490 [ 238.234469] (UM) [ 238.239744] ? lock_downgrade+0x900/0x900 [ 238.242136] 3*4096kB [ 238.246457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.248508] (M) [ 238.252663] ? refcount_sub_and_test_checked+0x203/0x310 [ 238.255045] = 25280kB [ 238.255054] Node 0 [ 238.260590] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 238.262542] Normal: [ 238.267991] ? addrconf_rs_timer+0x6f0/0x6f0 [ 238.270377] 876*4kB [ 238.272617] ndisc_alloc_skb+0x144/0x340 [ 238.278049] (UME) [ 238.280375] ndisc_send_rs+0x331/0x6e0 [ 238.284763] 393*8kB [ 238.287085] addrconf_rs_timer+0x3c0/0x6f0 [ 238.291120] (UMEH) [ 238.293272] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.297133] 183*16kB [ 238.299468] call_timer_fn+0x272/0x920 [ 238.303663] (UMEH) [ 238.305900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.310118] 70*32kB [ 238.312532] ? process_timeout+0x40/0x40 [ 238.316392] (UMEH) [ 238.318624] ? find_held_lock+0x36/0x1c0 [ 238.322841] 13*64kB (UMH) [ 238.325180] ? __run_timers+0x7da/0xc70 [ 238.329211] 3*128kB [ 238.331465] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.335498] (UH) [ 238.338340] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.342289] 3*256kB (H) [ 238.344651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.349125] 0*512kB [ 238.351190] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 238.355662] 0*1024kB [ 238.358329] ? trace_hardirqs_on+0xbd/0x310 [ 238.362540] 0*2048kB [ 238.364860] ? kasan_check_read+0x11/0x20 [ 238.369413] 0*4096kB = 13800kB [ 238.371830] ? __run_timers+0x7da/0xc70 [ 238.376133] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 238.378537] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.382666] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 238.385854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.389803] 410 total pagecache pages [ 238.398636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.404070] 0 pages in swap cache [ 238.412648] __run_timers+0x7e5/0xc70 [ 238.416857] Swap cache stats: add 0, delete 0, find 0/0 [ 238.416867] Free swap = 0kB [ 238.420675] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 238.424873] Total swap = 0kB [ 238.424882] 1965979 pages RAM [ 238.428332] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 238.432111] 0 pages HighMem/MovableOnly [ 238.437482] ? graph_lock+0x170/0x170 [ 238.440477] 343323 pages reserved [ 238.445838] ? enqueue_hrtimer+0x1a5/0x560 [ 238.448834] 0 pages cma reserved [ 238.451939] ? lock_release+0x970/0x970 [ 238.457049] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 238.460930] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 238.464811] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.468174] ? find_held_lock+0x36/0x1c0 [ 238.472385] kworker/0:1 cpuset= [ 238.475753] ? graph_lock+0x170/0x170 [ 238.479703] / [ 238.486200] ? pvclock_read_flags+0x160/0x160 [ 238.491374] mems_allowed=0 [ 238.501689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.527424] ? check_preemption_disabled+0x48/0x200 [ 238.532467] ? __lock_is_held+0xb5/0x140 [ 238.536533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.542076] ? check_preemption_disabled+0x48/0x200 [ 238.547106] run_timer_softirq+0x52/0xb0 [ 238.551173] ? rcu_read_lock_sched_held+0x108/0x120 [ 238.556194] __do_softirq+0x30b/0xad8 [ 238.560032] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 238.565144] ? pvclock_read_flags+0x160/0x160 [ 238.569639] ? lapic_next_event+0x5a/0x90 [ 238.573805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.579345] ? check_preemption_disabled+0x48/0x200 [ 238.584363] ? check_preemption_disabled+0x48/0x200 [ 238.589397] ? kvm_clock_read+0x18/0x30 [ 238.593375] ? kvm_sched_clock_read+0x9/0x20 [ 238.597792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.603331] ? check_preemption_disabled+0x48/0x200 [ 238.608408] irq_exit+0x17f/0x1c0 [ 238.611879] smp_apic_timer_interrupt+0x1cb/0x760 [ 238.616746] ? smp_reschedule_interrupt+0x109/0x650 [ 238.621779] ? smp_call_function_single_interrupt+0x650/0x650 [ 238.627670] ? interrupt_entry+0xb5/0xf0 [ 238.631737] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.636761] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.641789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.646640] ? trace_hardirqs_off+0x300/0x300 [ 238.651142] ? trace_hardirqs_off+0x300/0x300 [ 238.655642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.661185] ? check_preemption_disabled+0x48/0x200 [ 238.666216] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.671074] apic_timer_interrupt+0xf/0x20 [ 238.675309] [ 238.677552] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 238.682487] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 238.701415] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 238.709146] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 238.716428] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 238.723704] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 238.730998] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 238.738273] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 238.745591] skb_clone+0x1bb/0x500 [ 238.749144] ? skb_split+0x11e0/0x11e0 [ 238.753045] ? preempt_notifier_register+0x200/0x200 [ 238.758157] ? __switch_to_asm+0x34/0x70 [ 238.762222] ? __switch_to_asm+0x34/0x70 [ 238.766283] ? __switch_to_asm+0x40/0x70 [ 238.770344] ? __switch_to_asm+0x34/0x70 [ 238.774416] ? __switch_to_asm+0x40/0x70 [ 238.778485] ? __switch_to_asm+0x40/0x70 [ 238.782546] ? __switch_to_asm+0x34/0x70 [ 238.786613] ? __switch_to_asm+0x34/0x70 [ 238.790676] ? __switch_to_asm+0x40/0x70 [ 238.794737] ? __switch_to_asm+0x34/0x70 [ 238.798815] bpf_clone_redirect+0xb9/0x490 [ 238.803065] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 238.808098] ? __sched_text_start+0x8/0x8 [ 238.812259] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 238.817029] ? find_held_lock+0x36/0x1c0 [ 238.821102] ? lock_acquire+0x1ed/0x520 [ 238.825079] ? bpf_test_run+0x32e/0x5a0 [ 238.829066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.834609] ? check_preemption_disabled+0x48/0x200 [ 238.839634] ? kasan_check_read+0x11/0x20 [ 238.843793] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.849080] ? rcu_bh_qs+0xc0/0xc0 [ 238.852630] ? preempt_schedule+0x4d/0x60 [ 238.856785] ? ___preempt_schedule+0x16/0x18 [ 238.861207] ? bpf_test_run+0x1c0/0x5a0 [ 238.865197] ? netlink_diag_dump+0x2a0/0x2a0 [ 238.869616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.875159] ? bpf_test_init.isra.9+0x70/0x100 [ 238.879750] ? bpf_prog_test_run_skb+0x634/0xb40 [ 238.884517] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 238.889365] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 238.894907] ? fput+0x130/0x1a0 [ 238.898197] ? __bpf_prog_get+0x9b/0x290 [ 238.902268] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 238.907119] ? bpf_prog_test_run+0x130/0x1a0 [ 238.911534] ? __x64_sys_bpf+0x3d8/0x510 [ 238.915602] ? bpf_prog_get+0x20/0x20 [ 238.919416] ? ksys_ioctl+0x81/0xd0 [ 238.923063] ? do_syscall_64+0x1b9/0x820 [ 238.927129] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 238.932500] ? syscall_return_slowpath+0x5e0/0x5e0 [ 238.937441] ? trace_hardirqs_off+0x300/0x300 [ 238.941959] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 238.946985] ? recalc_sigpending_tsk+0x180/0x180 [ 238.951752] ? kasan_check_write+0x14/0x20 [ 238.956002] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.960859] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 238.966245] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 238.966315] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 238.973096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.973120] Workqueue: (null) (events) [ 238.973132] Call Trace: [ 238.973139] [ 238.973161] dump_stack+0x1c4/0x2b4 [ 238.979745] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.988997] ? dump_stack_print_info.cold.2+0x52/0x52 [ 238.993817] syz-executor1 cpuset= [ 238.996408] warn_alloc.cold.118+0xb7/0x1bd [ 238.998527] syz1 [ 239.002149] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.012616] mems_allowed=0 [ 239.017800] ? lock_downgrade+0x900/0x900 [ 239.039405] ? trace_hardirqs_off+0xb8/0x300 [ 239.043827] ? trace_hardirqs_off+0xb8/0x300 [ 239.048250] __alloc_pages_slowpath+0x2667/0x2d80 [ 239.053131] ? warn_alloc+0x120/0x120 [ 239.056940] ? graph_lock+0x170/0x170 [ 239.060751] ? warn_alloc+0x120/0x120 [ 239.064563] ? print_usage_bug+0xc0/0xc0 [ 239.068631] ? warn_alloc+0x120/0x120 [ 239.072434] ? print_usage_bug+0xc0/0xc0 [ 239.076512] ? __lock_acquire+0x7ec/0x4ec0 [ 239.080746] ? __lock_acquire+0x7ec/0x4ec0 [ 239.084995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.090537] ? should_fail+0x22d/0xd01 [ 239.094433] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.099542] ? __lock_acquire+0x7ec/0x4ec0 [ 239.103786] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.108890] ? __lock_acquire+0x7ec/0x4ec0 [ 239.113123] ? should_fail+0x22d/0xd01 [ 239.117023] ? mark_held_locks+0x130/0x130 [ 239.121267] ? mark_held_locks+0x130/0x130 [ 239.125510] ? graph_lock+0x170/0x170 [ 239.129310] ? graph_lock+0x170/0x170 [ 239.133113] ? graph_lock+0x170/0x170 [ 239.136914] ? print_usage_bug+0xc0/0xc0 [ 239.140985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.146528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.152070] ? check_preemption_disabled+0x48/0x200 [ 239.157088] ? check_preemption_disabled+0x48/0x200 [ 239.162117] ? __lock_is_held+0xb5/0x140 [ 239.166187] __alloc_pages_nodemask+0xa80/0xde0 [ 239.170878] ? graph_lock+0x170/0x170 [ 239.174685] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 239.179698] ? graph_lock+0x170/0x170 [ 239.183528] ? find_held_lock+0x36/0x1c0 [ 239.187611] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.192297] ? lock_downgrade+0x900/0x900 [ 239.196455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.202000] cache_grow_begin+0x91/0x8c0 [ 239.206062] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.210482] fallback_alloc+0x203/0x2e0 [ 239.214468] ____cache_alloc_node+0x1c7/0x1e0 [ 239.218981] kmem_cache_alloc_node+0xe3/0x730 [ 239.223486] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.227737] __alloc_skb+0x119/0x770 [ 239.231458] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.236771] ? skb_scrub_packet+0x490/0x490 [ 239.241110] ? lock_downgrade+0x900/0x900 [ 239.245273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.250815] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.256271] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.261724] ? addrconf_rs_timer+0x6f0/0x6f0 [ 239.266165] ndisc_alloc_skb+0x144/0x340 [ 239.270238] ndisc_send_rs+0x331/0x6e0 [ 239.274138] addrconf_rs_timer+0x3c0/0x6f0 [ 239.278381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.282637] call_timer_fn+0x272/0x920 [ 239.286530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.290769] ? process_timeout+0x40/0x40 [ 239.294835] ? find_held_lock+0x36/0x1c0 [ 239.298918] ? __run_timers+0x7da/0xc70 [ 239.302929] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.307456] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.311955] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.316200] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 239.320789] ? trace_hardirqs_on+0xbd/0x310 [ 239.325112] ? kasan_check_read+0x11/0x20 [ 239.329264] ? __run_timers+0x7da/0xc70 [ 239.333240] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.338700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.342947] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.347192] __run_timers+0x7e5/0xc70 [ 239.351014] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 239.356392] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 239.361410] ? graph_lock+0x170/0x170 [ 239.365219] ? enqueue_hrtimer+0x1a5/0x560 [ 239.369467] ? lock_release+0x970/0x970 [ 239.373447] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 239.378651] ? find_held_lock+0x36/0x1c0 [ 239.382733] ? pvclock_read_flags+0x160/0x160 [ 239.387247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.392975] ? check_preemption_disabled+0x48/0x200 [ 239.398015] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 239.403553] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.408831] ? rcu_pm_notify+0xc0/0xc0 [ 239.412723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.418266] ? check_preemption_disabled+0x48/0x200 [ 239.423291] run_timer_softirq+0x52/0xb0 [ 239.427354] ? rcu_read_lock_sched_held+0x108/0x120 [ 239.432375] __do_softirq+0x30b/0xad8 [ 239.436194] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 239.441308] ? pvclock_read_flags+0x160/0x160 [ 239.445816] ? lapic_next_event+0x5a/0x90 [ 239.449973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.455514] ? check_preemption_disabled+0x48/0x200 [ 239.460532] ? check_preemption_disabled+0x48/0x200 [ 239.465555] ? kvm_clock_read+0x18/0x30 [ 239.469547] ? kvm_sched_clock_read+0x9/0x20 [ 239.473980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.479517] ? check_preemption_disabled+0x48/0x200 [ 239.484549] irq_exit+0x17f/0x1c0 [ 239.488033] smp_apic_timer_interrupt+0x1cb/0x760 [ 239.492881] ? smp_call_function_single_interrupt+0x650/0x650 [ 239.498789] ? interrupt_entry+0xb5/0xf0 [ 239.502867] ? trace_hardirqs_off_caller+0xbb/0x300 [ 239.507882] ? trace_hardirqs_off_caller+0xbb/0x300 [ 239.512900] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.517745] ? trace_hardirqs_off+0x300/0x300 [ 239.522239] ? trace_hardirqs_off+0x300/0x300 [ 239.526740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.532277] ? check_preemption_disabled+0x48/0x200 [ 239.537299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.542842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.547707] apic_timer_interrupt+0xf/0x20 [ 239.551937] [ 239.554180] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 239.559284] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 239.578188] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 239.585912] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 239.593189] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 239.600470] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 239.607743] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 239.615010] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 239.622917] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.627421] finish_task_switch+0x1f5/0x900 [ 239.631766] ? finish_task_switch+0x1b5/0x900 [ 239.636267] ? __switch_to_asm+0x34/0x70 [ 239.640349] ? preempt_notifier_register+0x200/0x200 [ 239.645449] ? __switch_to_asm+0x34/0x70 [ 239.649508] ? __switch_to_asm+0x34/0x70 [ 239.653592] ? __switch_to_asm+0x40/0x70 [ 239.657705] ? __switch_to_asm+0x34/0x70 [ 239.661763] ? __switch_to_asm+0x40/0x70 [ 239.665827] ? __switch_to_asm+0x34/0x70 [ 239.669891] ? __switch_to_asm+0x40/0x70 [ 239.673967] ? __switch_to_asm+0x34/0x70 [ 239.678050] ? __switch_to_asm+0x40/0x70 [ 239.682126] ? __switch_to_asm+0x34/0x70 [ 239.686190] ? __switch_to_asm+0x40/0x70 [ 239.690249] ? __switch_to_asm+0x34/0x70 [ 239.694308] ? __switch_to_asm+0x40/0x70 [ 239.698369] ? __switch_to_asm+0x34/0x70 [ 239.702430] ? __switch_to_asm+0x40/0x70 [ 239.706509] __schedule+0x874/0x1ed0 [ 239.710239] ? lockdep_hardirqs_on+0x421/0x5c0 [ 239.714837] ? __sched_text_start+0x8/0x8 [ 239.718998] ? graph_lock+0x170/0x170 [ 239.722803] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.727567] ? lockdep_hardirqs_on+0x421/0x5c0 [ 239.732146] ? retint_kernel+0x2d/0x2d [ 239.736044] ? find_held_lock+0x36/0x1c0 [ 239.740120] schedule+0xfe/0x460 [ 239.743491] ? __schedule+0x1ed0/0x1ed0 [ 239.747496] ? lockdep_hardirqs_on+0x421/0x5c0 [ 239.752103] ? trace_hardirqs_on+0xbd/0x310 [ 239.756428] ? kasan_check_read+0x11/0x20 [ 239.760578] ? worker_thread+0x3ca/0x1390 [ 239.764730] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.770186] ? kasan_check_write+0x14/0x20 [ 239.774422] ? do_raw_spin_lock+0xc1/0x200 [ 239.778667] worker_thread+0x3cf/0x1390 [ 239.782643] ? __switch_to_asm+0x34/0x70 [ 239.786724] ? process_one_work+0x1b90/0x1b90 [ 239.791230] ? graph_lock+0x170/0x170 [ 239.795041] ? __sched_text_start+0x8/0x8 [ 239.799204] ? find_held_lock+0x36/0x1c0 [ 239.803277] ? __kthread_parkme+0xce/0x1a0 [ 239.807516] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 239.812621] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 239.817721] ? lockdep_hardirqs_on+0x421/0x5c0 [ 239.822308] ? trace_hardirqs_on+0xbd/0x310 [ 239.826629] ? kasan_check_read+0x11/0x20 [ 239.830794] ? __kthread_parkme+0xce/0x1a0 [ 239.835033] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.840485] ? kasan_check_write+0x14/0x20 [ 239.844735] ? do_raw_spin_lock+0xc1/0x200 [ 239.848989] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 239.854098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.859639] ? __kthread_parkme+0xfb/0x1a0 [ 239.863879] kthread+0x35a/0x420 [ 239.867251] ? process_one_work+0x1b90/0x1b90 [ 239.871768] ? kthread_bind+0x40/0x40 [ 239.875598] ret_from_fork+0x3a/0x50 [ 239.879326] warn_alloc_show_mem: 1 callbacks suppressed [ 239.879339] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 239.879341] Mem-Info: [ 239.879372] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 239.879372] active_file:13 inactive_file:18 isolated_file:0 [ 239.879372] unevictable:0 dirty:0 writeback:0 unstable:0 [ 239.879372] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 239.879372] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 239.879372] free:13747 free_pcp:307 free_cma:0 [ 239.884709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.884717] Call Trace: [ 239.891908] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 239.894311] [ 239.927268] Node 0 [ 239.936637] dump_stack+0x1c4/0x2b4 [ 239.939225] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 239.966879] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.969006] lowmem_reserve[]: [ 239.971251] warn_alloc.cold.118+0xb7/0x1bd [ 239.974842] 0 2815 [ 240.000353] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.005517] 6318 [ 240.008639] ? lock_downgrade+0x900/0x900 [ 240.012934] 6318 [ 240.015181] ? trace_hardirqs_off+0xb8/0x300 [ 240.022062] ? trace_hardirqs_off+0xb8/0x300 [ 240.026717] Node 0 [ 240.028784] __alloc_pages_slowpath+0x2667/0x2d80 [ 240.033193] DMA32 free:25280kB 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 [ 240.037598] ? warn_alloc+0x120/0x120 [ 240.039801] lowmem_reserve[]: [ 240.044657] ? trace_hardirqs_on+0x310/0x310 [ 240.071614] 0 0 [ 240.075435] ? warn_alloc+0x120/0x120 [ 240.078516] 3503 [ 240.082920] ? print_usage_bug+0xc0/0xc0 [ 240.084869] 3503 [ 240.088713] ? warn_alloc+0x120/0x120 [ 240.090752] Node 0 [ 240.094809] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 240.096866] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 240.100640] ? print_usage_bug+0xc0/0xc0 [ 240.102848] lowmem_reserve[]: 0 [ 240.107867] ? __lock_acquire+0x7ec/0x4ec0 [ 240.136377] 0 0 [ 240.140454] ? __lock_acquire+0x7ec/0x4ec0 [ 240.143712] 0 [ 240.147944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.154129] ? should_fail+0x22d/0xd01 [ 240.155909] Node 0 [ 240.161484] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.165338] DMA: 1*4kB [ 240.167583] ? __lock_acquire+0x7ec/0x4ec0 [ 240.172653] (U) 0*8kB [ 240.175246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.179456] 0*16kB [ 240.181961] ? __lock_acquire+0x7ec/0x4ec0 [ 240.187043] 1*32kB [ 240.189278] ? should_fail+0x22d/0xd01 [ 240.193492] (U) [ 240.195728] ? print_usage_bug+0xc0/0xc0 [ 240.199585] 2*64kB (U) [ 240.201569] ? mark_held_locks+0x130/0x130 [ 240.205604] 1*128kB [ 240.208188] ? mark_held_locks+0x130/0x130 [ 240.212402] (U) [ 240.214726] ? graph_lock+0x170/0x170 [ 240.218934] 1*256kB [ 240.220913] ? print_usage_bug+0xc0/0xc0 [ 240.224689] (U) [ 240.227012] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.231053] 0*512kB [ 240.233029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.237760] 1*1024kB [ 240.240079] ? check_preemption_disabled+0x48/0x200 [ 240.245594] (U) [ 240.248009] ? check_preemption_disabled+0x48/0x200 [ 240.253000] 1*2048kB (M) [ 240.254995] ? __lock_is_held+0xb5/0x140 [ 240.259983] 3*4096kB (M) [ 240.262749] __alloc_pages_nodemask+0xa80/0xde0 [ 240.266780] = 15908kB [ 240.266789] Node 0 [ 240.269540] ? graph_lock+0x170/0x170 [ 240.274180] DMA32: 4*4kB [ 240.276601] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.278812] (UM) 2*8kB [ 240.282618] ? graph_lock+0x170/0x170 [ 240.285355] (M) [ 240.290380] ? find_held_lock+0x36/0x1c0 [ 240.292939] 2*16kB [ 240.296744] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.298693] (UM) [ 240.302749] ? lock_downgrade+0x900/0x900 [ 240.304967] 2*32kB [ 240.309634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.311673] (UM) [ 240.315828] cache_grow_begin+0x91/0x8c0 [ 240.318047] 3*64kB [ 240.323581] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.325624] (UM) [ 240.329685] fallback_alloc+0x203/0x2e0 [ 240.331897] 3*128kB [ 240.336303] ____cache_alloc_node+0x1c7/0x1e0 [ 240.338364] (M) [ 240.342348] kmem_cache_alloc_node+0xe3/0x730 [ 240.344646] 2*256kB [ 240.349137] ? ipv6_get_ifaddr+0x42e/0x620 [ 240.351090] (M) [ 240.356655] __alloc_skb+0x119/0x770 [ 240.358947] 3*512kB (M) 4*1024kB [ 240.363197] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.365146] (UM) [ 240.368855] ? skb_scrub_packet+0x490/0x490 [ 240.372280] 3*2048kB (UM) [ 240.377561] ? lock_downgrade+0x900/0x900 [ 240.379601] 3*4096kB [ 240.383920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.386738] (M) [ 240.390882] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.393263] = 25280kB [ 240.393273] Node 0 [ 240.398805] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.400750] Normal: 876*4kB [ 240.406220] ? addrconf_rs_timer+0x6f0/0x6f0 [ 240.408605] (UME) [ 240.410847] ndisc_alloc_skb+0x144/0x340 [ 240.416266] 393*8kB (UMEH) [ 240.419294] ndisc_send_rs+0x331/0x6e0 [ 240.423679] 183*16kB [ 240.425831] addrconf_rs_timer+0x3c0/0x6f0 [ 240.429864] (UMEH) [ 240.432796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.436661] 70*32kB [ 240.439091] call_timer_fn+0x272/0x920 [ 240.443295] (UMEH) [ 240.445533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.449739] 13*64kB (UMH) [ 240.452087] ? process_timeout+0x40/0x40 [ 240.455964] 3*128kB [ 240.458191] ? find_held_lock+0x36/0x1c0 [ 240.462407] (UH) 3*256kB [ 240.465271] ? __run_timers+0x7da/0xc70 [ 240.469307] (H) [ 240.471627] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.475667] 0*512kB [ 240.478420] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.482372] 0*1024kB [ 240.484345] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.488808] 0*2048kB 0*4096kB [ 240.491140] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 240.495605] = 13800kB [ 240.495632] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 240.498036] ? trace_hardirqs_on+0xbd/0x310 [ 240.502266] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 240.505453] ? kasan_check_read+0x11/0x20 [ 240.510015] 410 total pagecache pages [ 240.512425] ? __run_timers+0x7da/0xc70 [ 240.521243] 0 pages in swap cache [ 240.525559] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.534115] Swap cache stats: add 0, delete 0, find 0/0 [ 240.538263] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.542039] Free swap = 0kB [ 240.546008] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.549434] Total swap = 0kB [ 240.549443] 1965979 pages RAM [ 240.554902] __run_timers+0x7e5/0xc70 [ 240.560233] 0 pages HighMem/MovableOnly [ 240.560243] 343323 pages reserved [ 240.564492] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 240.567468] 0 pages cma reserved [ 240.567539] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 240.571710] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.574759] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.577810] ? graph_lock+0x170/0x170 [ 240.581587] kworker/0:1 cpuset= [ 240.585558] ? enqueue_hrtimer+0x1a5/0x560 [ 240.588991] / [ 240.594351] ? lock_release+0x970/0x970 [ 240.597695] mems_allowed=0 [ 240.604183] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 240.644510] ? find_held_lock+0x36/0x1c0 [ 240.648581] ? graph_lock+0x170/0x170 [ 240.652387] ? pvclock_read_flags+0x160/0x160 [ 240.656884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.662433] ? check_preemption_disabled+0x48/0x200 [ 240.667476] ? __lock_is_held+0xb5/0x140 [ 240.671553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.677094] ? check_preemption_disabled+0x48/0x200 [ 240.682127] run_timer_softirq+0x52/0xb0 [ 240.686191] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.691216] __do_softirq+0x30b/0xad8 [ 240.695036] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 240.700148] ? pvclock_read_flags+0x160/0x160 [ 240.704644] ? lapic_next_event+0x5a/0x90 [ 240.708801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.714336] ? check_preemption_disabled+0x48/0x200 [ 240.719352] ? check_preemption_disabled+0x48/0x200 [ 240.724390] ? kvm_clock_read+0x18/0x30 [ 240.728368] ? kvm_sched_clock_read+0x9/0x20 [ 240.732784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.738322] ? check_preemption_disabled+0x48/0x200 [ 240.743354] irq_exit+0x17f/0x1c0 [ 240.746815] smp_apic_timer_interrupt+0x1cb/0x760 [ 240.751661] ? smp_reschedule_interrupt+0x109/0x650 [ 240.756683] ? smp_call_function_single_interrupt+0x650/0x650 [ 240.762571] ? interrupt_entry+0xb5/0xf0 [ 240.766640] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.771655] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.776693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.781541] ? trace_hardirqs_off+0x300/0x300 [ 240.786040] ? trace_hardirqs_off+0x300/0x300 [ 240.790539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.796079] ? check_preemption_disabled+0x48/0x200 [ 240.801110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.805971] apic_timer_interrupt+0xf/0x20 [ 240.810206] [ 240.812451] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 240.817402] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 240.836315] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 240.844040] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 240.851313] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 240.858586] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 240.865865] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 240.873135] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 240.880457] skb_clone+0x1bb/0x500 [ 240.884014] ? skb_split+0x11e0/0x11e0 [ 240.887917] ? preempt_notifier_register+0x200/0x200 [ 240.893036] ? __switch_to_asm+0x34/0x70 [ 240.897105] ? __switch_to_asm+0x34/0x70 [ 240.901182] ? __switch_to_asm+0x40/0x70 [ 240.905245] ? __switch_to_asm+0x34/0x70 [ 240.909306] ? __switch_to_asm+0x40/0x70 [ 240.913373] ? __switch_to_asm+0x40/0x70 [ 240.917433] ? __switch_to_asm+0x34/0x70 [ 240.921502] ? __switch_to_asm+0x34/0x70 [ 240.925604] ? __switch_to_asm+0x40/0x70 [ 240.929661] ? __switch_to_asm+0x34/0x70 [ 240.933735] bpf_clone_redirect+0xb9/0x490 [ 240.937989] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 240.943015] ? __sched_text_start+0x8/0x8 [ 240.947185] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.951960] ? find_held_lock+0x36/0x1c0 [ 240.956038] ? lock_acquire+0x1ed/0x520 [ 240.960023] ? bpf_test_run+0x32e/0x5a0 [ 240.964007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.969546] ? check_preemption_disabled+0x48/0x200 [ 240.974574] ? kasan_check_read+0x11/0x20 [ 240.978731] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.984019] ? rcu_bh_qs+0xc0/0xc0 [ 240.987568] ? preempt_schedule+0x4d/0x60 [ 240.991720] ? ___preempt_schedule+0x16/0x18 [ 240.996143] ? bpf_test_run+0x1c0/0x5a0 [ 241.000131] ? netlink_diag_dump+0x2a0/0x2a0 [ 241.004553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.010091] ? bpf_test_init.isra.9+0x70/0x100 [ 241.014683] ? bpf_prog_test_run_skb+0x634/0xb40 [ 241.019451] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 241.024303] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 241.029856] ? fput+0x130/0x1a0 [ 241.033137] ? __bpf_prog_get+0x9b/0x290 [ 241.037201] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 241.042045] ? bpf_prog_test_run+0x130/0x1a0 [ 241.046465] ? __x64_sys_bpf+0x3d8/0x510 [ 241.050536] ? bpf_prog_get+0x20/0x20 [ 241.054350] ? ksys_ioctl+0x81/0xd0 [ 241.057996] ? do_syscall_64+0x1b9/0x820 [ 241.062061] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 241.067434] ? syscall_return_slowpath+0x5e0/0x5e0 [ 241.072380] ? trace_hardirqs_off+0x300/0x300 [ 241.076878] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 241.081894] ? recalc_sigpending_tsk+0x180/0x180 [ 241.086650] ? kasan_check_write+0x14/0x20 [ 241.090894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.095751] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.101139] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 241.101211] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.108013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.108035] Workqueue: (null) (events) [ 241.108048] Call Trace: [ 241.108055] [ 241.108074] dump_stack+0x1c4/0x2b4 [ 241.114608] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.123909] ? dump_stack_print_info.cold.2+0x52/0x52 [ 241.128731] syz-executor1 cpuset= [ 241.131324] warn_alloc.cold.118+0xb7/0x1bd [ 241.133446] syz1 [ 241.137069] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.147532] mems_allowed=0 [ 241.152739] ? lock_downgrade+0x900/0x900 [ 241.174338] ? trace_hardirqs_off+0xb8/0x300 [ 241.178780] ? trace_hardirqs_off+0xb8/0x300 [ 241.183202] __alloc_pages_slowpath+0x2667/0x2d80 [ 241.188118] ? warn_alloc+0x120/0x120 [ 241.191925] ? warn_alloc+0x120/0x120 [ 241.195737] ? print_usage_bug+0xc0/0xc0 [ 241.199801] ? warn_alloc+0x120/0x120 [ 241.203607] ? print_usage_bug+0xc0/0xc0 [ 241.207673] ? __lock_acquire+0x7ec/0x4ec0 [ 241.211931] ? __lock_acquire+0x7ec/0x4ec0 [ 241.216180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.221719] ? should_fail+0x22d/0xd01 [ 241.225627] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.230734] ? __lock_acquire+0x7ec/0x4ec0 [ 241.234980] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.240082] ? __lock_acquire+0x7ec/0x4ec0 [ 241.244315] ? should_fail+0x22d/0xd01 [ 241.248215] ? mark_held_locks+0x130/0x130 [ 241.252469] ? mark_held_locks+0x130/0x130 [ 241.256708] ? graph_lock+0x170/0x170 [ 241.260531] ? graph_lock+0x170/0x170 [ 241.264355] ? graph_lock+0x170/0x170 [ 241.268162] ? print_usage_bug+0xc0/0xc0 [ 241.272229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.277770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.283319] ? check_preemption_disabled+0x48/0x200 [ 241.288350] ? check_preemption_disabled+0x48/0x200 [ 241.293408] ? __lock_is_held+0xb5/0x140 [ 241.297480] __alloc_pages_nodemask+0xa80/0xde0 [ 241.302157] ? graph_lock+0x170/0x170 [ 241.305968] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 241.310986] ? graph_lock+0x170/0x170 [ 241.314795] ? find_held_lock+0x36/0x1c0 [ 241.318870] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.323545] ? lock_downgrade+0x900/0x900 [ 241.327712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.333256] cache_grow_begin+0x91/0x8c0 [ 241.337321] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.341745] fallback_alloc+0x203/0x2e0 [ 241.345727] ____cache_alloc_node+0x1c7/0x1e0 [ 241.350231] kmem_cache_alloc_node+0xe3/0x730 [ 241.354730] ? ipv6_get_ifaddr+0x42e/0x620 [ 241.358982] __alloc_skb+0x119/0x770 [ 241.362703] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.367994] ? skb_scrub_packet+0x490/0x490 [ 241.372317] ? lock_downgrade+0x900/0x900 [ 241.376486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.382026] ? refcount_sub_and_test_checked+0x203/0x310 [ 241.387482] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 241.392935] ? addrconf_rs_timer+0x6f0/0x6f0 [ 241.397364] ndisc_alloc_skb+0x144/0x340 [ 241.401431] ndisc_send_rs+0x331/0x6e0 [ 241.405336] addrconf_rs_timer+0x3c0/0x6f0 [ 241.409583] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.413836] call_timer_fn+0x272/0x920 [ 241.417737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.421982] ? process_timeout+0x40/0x40 [ 241.426045] ? find_held_lock+0x36/0x1c0 [ 241.430115] ? __run_timers+0x7da/0xc70 [ 241.434099] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.438605] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.443113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.447350] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 241.451935] ? trace_hardirqs_on+0xbd/0x310 [ 241.456276] ? kasan_check_read+0x11/0x20 [ 241.460440] ? __run_timers+0x7da/0xc70 [ 241.464448] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.469907] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.474155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.478394] __run_timers+0x7e5/0xc70 [ 241.482216] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 241.487597] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 241.492620] ? graph_lock+0x170/0x170 [ 241.496429] ? enqueue_hrtimer+0x1a5/0x560 [ 241.500667] ? lock_release+0x970/0x970 [ 241.504641] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 241.509845] ? find_held_lock+0x36/0x1c0 [ 241.513921] ? pvclock_read_flags+0x160/0x160 [ 241.518423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.523972] ? check_preemption_disabled+0x48/0x200 [ 241.529006] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 241.534547] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.539833] ? rcu_pm_notify+0xc0/0xc0 [ 241.543730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.549268] ? check_preemption_disabled+0x48/0x200 [ 241.554300] run_timer_softirq+0x52/0xb0 [ 241.558366] ? rcu_read_lock_sched_held+0x108/0x120 [ 241.563391] __do_softirq+0x30b/0xad8 [ 241.567204] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 241.572316] ? pvclock_read_flags+0x160/0x160 [ 241.576815] ? lapic_next_event+0x5a/0x90 [ 241.580972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.586511] ? check_preemption_disabled+0x48/0x200 [ 241.591527] ? check_preemption_disabled+0x48/0x200 [ 241.596562] ? kvm_clock_read+0x18/0x30 [ 241.600552] ? kvm_sched_clock_read+0x9/0x20 [ 241.604980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.610518] ? check_preemption_disabled+0x48/0x200 [ 241.615548] irq_exit+0x17f/0x1c0 [ 241.619005] smp_apic_timer_interrupt+0x1cb/0x760 [ 241.623857] ? smp_call_function_single_interrupt+0x650/0x650 [ 241.629744] ? interrupt_entry+0xb5/0xf0 [ 241.633808] ? trace_hardirqs_off_caller+0xbb/0x300 [ 241.638829] ? trace_hardirqs_off_caller+0xbb/0x300 [ 241.643848] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.648693] ? trace_hardirqs_off+0x300/0x300 [ 241.653191] ? trace_hardirqs_off+0x300/0x300 [ 241.657691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.663227] ? check_preemption_disabled+0x48/0x200 [ 241.668247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.673804] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.678670] apic_timer_interrupt+0xf/0x20 [ 241.682902] [ 241.685147] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 241.690256] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 241.709164] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 241.716877] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 241.724157] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 241.731426] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 241.738701] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 241.745985] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 241.753290] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.757792] finish_task_switch+0x1f5/0x900 [ 241.762118] ? finish_task_switch+0x1b5/0x900 [ 241.766617] ? __switch_to_asm+0x34/0x70 [ 241.770688] ? preempt_notifier_register+0x200/0x200 [ 241.775792] ? __switch_to_asm+0x34/0x70 [ 241.779856] ? __switch_to_asm+0x34/0x70 [ 241.783915] ? __switch_to_asm+0x40/0x70 [ 241.787982] ? __switch_to_asm+0x34/0x70 [ 241.792043] ? __switch_to_asm+0x40/0x70 [ 241.796105] ? __switch_to_asm+0x34/0x70 [ 241.800169] ? __switch_to_asm+0x40/0x70 [ 241.804229] ? __switch_to_asm+0x34/0x70 [ 241.808288] ? __switch_to_asm+0x40/0x70 [ 241.812352] ? __switch_to_asm+0x34/0x70 [ 241.816413] ? __switch_to_asm+0x40/0x70 [ 241.820473] ? __switch_to_asm+0x34/0x70 [ 241.824532] ? __switch_to_asm+0x40/0x70 [ 241.828597] ? __switch_to_asm+0x34/0x70 [ 241.832661] ? __switch_to_asm+0x40/0x70 [ 241.836739] __schedule+0x874/0x1ed0 [ 241.840462] ? lockdep_hardirqs_on+0x421/0x5c0 [ 241.845072] ? __sched_text_start+0x8/0x8 [ 241.849229] ? graph_lock+0x170/0x170 [ 241.853058] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 241.857854] ? lockdep_hardirqs_on+0x421/0x5c0 [ 241.862441] ? retint_kernel+0x2d/0x2d [ 241.866348] ? find_held_lock+0x36/0x1c0 [ 241.870451] schedule+0xfe/0x460 [ 241.873842] ? __schedule+0x1ed0/0x1ed0 [ 241.877823] ? lockdep_hardirqs_on+0x421/0x5c0 [ 241.882421] ? trace_hardirqs_on+0xbd/0x310 [ 241.886739] ? kasan_check_read+0x11/0x20 [ 241.890889] ? worker_thread+0x3ca/0x1390 [ 241.895048] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.900504] ? kasan_check_write+0x14/0x20 [ 241.904741] ? do_raw_spin_lock+0xc1/0x200 [ 241.908991] worker_thread+0x3cf/0x1390 [ 241.912976] ? __switch_to_asm+0x34/0x70 [ 241.917052] ? process_one_work+0x1b90/0x1b90 [ 241.921570] ? graph_lock+0x170/0x170 [ 241.925384] ? __sched_text_start+0x8/0x8 [ 241.929545] ? find_held_lock+0x36/0x1c0 [ 241.933621] ? __kthread_parkme+0xce/0x1a0 [ 241.937877] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 241.942989] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 241.948126] ? lockdep_hardirqs_on+0x421/0x5c0 [ 241.952725] ? trace_hardirqs_on+0xbd/0x310 [ 241.957059] ? kasan_check_read+0x11/0x20 [ 241.961215] ? __kthread_parkme+0xce/0x1a0 [ 241.965456] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.970911] ? kasan_check_write+0x14/0x20 [ 241.975154] ? do_raw_spin_lock+0xc1/0x200 [ 241.979399] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.984507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.990050] ? __kthread_parkme+0xfb/0x1a0 [ 241.994294] kthread+0x35a/0x420 [ 241.997677] ? process_one_work+0x1b90/0x1b90 [ 242.002171] ? kthread_bind+0x40/0x40 [ 242.005983] ret_from_fork+0x3a/0x50 [ 242.009717] warn_alloc_show_mem: 1 callbacks suppressed [ 242.009730] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 242.009732] Mem-Info: [ 242.009764] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 242.009764] active_file:13 inactive_file:18 isolated_file:0 [ 242.009764] unevictable:0 dirty:0 writeback:0 unstable:0 [ 242.009764] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 242.009764] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 242.009764] free:13747 free_pcp:307 free_cma:0 [ 242.015104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.015114] Call Trace: [ 242.022313] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 242.024714] [ 242.058078] Node 0 [ 242.067444] dump_stack+0x1c4/0x2b4 [ 242.070027] 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 [ 242.097703] ? dump_stack_print_info.cold.2+0x52/0x52 [ 242.099835] lowmem_reserve[]: [ 242.102117] warn_alloc.cold.118+0xb7/0x1bd [ 242.105721] 0 [ 242.131221] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 242.136589] 2815 6318 [ 242.139708] ? lock_downgrade+0x900/0x900 [ 242.144011] 6318 [ 242.145821] ? trace_hardirqs_off+0xb8/0x300 [ 242.150637] Node 0 [ 242.153133] ? trace_hardirqs_off+0xb8/0x300 [ 242.157281] DMA32 free:25280kB 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 [ 242.159324] __alloc_pages_slowpath+0x2667/0x2d80 [ 242.163707] lowmem_reserve[]: 0 [ 242.165990] ? warn_alloc+0x120/0x120 [ 242.170337] 0 3503 [ 242.197325] ? warn_alloc+0x120/0x120 [ 242.202136] 3503 [ 242.205421] ? print_usage_bug+0xc0/0xc0 [ 242.209197] Node 0 [ 242.211428] ? warn_alloc+0x120/0x120 [ 242.215236] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 242.217270] ? print_usage_bug+0xc0/0xc0 [ 242.221305] lowmem_reserve[]: 0 [ 242.223546] ? __lock_acquire+0x7ec/0x4ec0 [ 242.227316] 0 0 [ 242.255688] ? __lock_acquire+0x7ec/0x4ec0 [ 242.259728] 0 [ 242.263016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.267228] Node 0 [ 242.269203] ? should_fail+0x22d/0xd01 [ 242.273405] DMA: 1*4kB [ 242.275220] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.280734] (U) [ 242.282979] ? __lock_acquire+0x7ec/0x4ec0 [ 242.286844] 0*8kB [ 242.289437] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.294514] 0*16kB [ 242.296485] ? __lock_acquire+0x7ec/0x4ec0 [ 242.300699] 1*32kB [ 242.302844] ? should_fail+0x22d/0xd01 [ 242.307924] (U) [ 242.310167] ? mark_held_locks+0x130/0x130 [ 242.314367] 2*64kB (U) [ 242.316609] ? mark_held_locks+0x130/0x130 [ 242.320468] 1*128kB (U) [ 242.322452] ? graph_lock+0x170/0x170 [ 242.326678] 1*256kB [ 242.329252] ? graph_lock+0x170/0x170 [ 242.333492] (U) [ 242.336156] ? graph_lock+0x170/0x170 [ 242.339933] 0*512kB [ 242.342256] ? print_usage_bug+0xc0/0xc0 [ 242.346030] 1*1024kB (U) [ 242.348031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.351798] 1*2048kB (M) [ 242.354131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.358164] 3*4096kB (M) [ 242.360928] ? check_preemption_disabled+0x48/0x200 [ 242.366442] = 15908kB [ 242.369202] ? check_preemption_disabled+0x48/0x200 [ 242.374720] Node 0 [ 242.377481] ? __lock_is_held+0xb5/0x140 [ 242.382489] DMA32: [ 242.384897] __alloc_pages_nodemask+0xa80/0xde0 [ 242.389889] 4*4kB [ 242.392128] ? graph_lock+0x170/0x170 [ 242.396178] (UM) [ 242.398421] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 242.403066] 2*8kB [ 242.405219] ? graph_lock+0x170/0x170 [ 242.409000] (M) [ 242.411069] ? find_held_lock+0x36/0x1c0 [ 242.416053] 2*16kB (UM) [ 242.418217] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.421992] 2*32kB [ 242.423968] ? lock_downgrade+0x900/0x900 [ 242.428019] (UM) [ 242.430694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.435336] 3*64kB (UM) [ 242.437592] cache_grow_begin+0x91/0x8c0 [ 242.441713] 3*128kB (M) [ 242.443797] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.449312] 2*256kB [ 242.451988] fallback_alloc+0x203/0x2e0 [ 242.456036] (M) [ 242.458709] ____cache_alloc_node+0x1c7/0x1e0 [ 242.463090] 3*512kB [ 242.465424] kmem_cache_alloc_node+0xe3/0x730 [ 242.469384] (M) [ 242.471363] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.475846] 4*1024kB [ 242.478168] __alloc_skb+0x119/0x770 [ 242.482634] (UM) [ 242.484608] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.488821] 3*2048kB [ 242.491226] ? skb_scrub_packet+0x490/0x490 [ 242.494918] (UM) [ 242.496988] ? lock_downgrade+0x900/0x900 [ 242.502245] 3*4096kB [ 242.504653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.508957] (M) [ 242.511024] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.515141] = 25280kB [ 242.515150] Node 0 [ 242.517557] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.523066] Normal: 876*4kB [ 242.525056] ? addrconf_rs_timer+0x6f0/0x6f0 [ 242.530477] (UME) [ 242.532895] ndisc_alloc_skb+0x144/0x340 [ 242.535104] 393*8kB [ 242.540548] ndisc_send_rs+0x331/0x6e0 [ 242.543554] (UMEH) [ 242.547965] addrconf_rs_timer+0x3c0/0x6f0 [ 242.550094] 183*16kB [ 242.554153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.556450] (UMEH) [ 242.560350] call_timer_fn+0x272/0x920 [ 242.562559] 70*32kB [ 242.566786] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.569177] (UMEH) [ 242.573418] ? process_timeout+0x40/0x40 [ 242.575624] 13*64kB (UMH) [ 242.579516] ? find_held_lock+0x36/0x1c0 [ 242.581818] 3*128kB [ 242.586051] ? __run_timers+0x7da/0xc70 [ 242.588265] (UH) [ 242.592324] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.595139] 3*256kB (H) [ 242.599208] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.601508] 0*512kB 0*1024kB [ 242.605494] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.607537] 0*2048kB [ 242.612026] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 242.614673] 0*4096kB [ 242.619166] ? trace_hardirqs_on+0xbd/0x310 [ 242.622242] = 13800kB [ 242.622258] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 242.626485] ? kasan_check_read+0x11/0x20 [ 242.628879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 242.633474] ? __run_timers+0x7da/0xc70 [ 242.635853] 410 total pagecache pages [ 242.640173] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.642580] 0 pages in swap cache [ 242.651430] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.655564] Swap cache stats: add 0, delete 0, find 0/0 [ 242.655573] Free swap = 0kB [ 242.664154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.668104] Total swap = 0kB [ 242.671902] __run_timers+0x7e5/0xc70 [ 242.677328] 1965979 pages RAM [ 242.680786] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 242.684990] 0 pages HighMem/MovableOnly [ 242.690349] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 242.693354] 343323 pages reserved [ 242.697579] ? graph_lock+0x170/0x170 [ 242.700574] 0 pages cma reserved [ 242.704364] ? enqueue_hrtimer+0x1a5/0x560 [ 242.707523] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 242.712803] ? lock_release+0x970/0x970 [ 242.712820] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 242.716840] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 242.721793] ? find_held_lock+0x36/0x1c0 [ 242.725224] kworker/0:1 cpuset= [ 242.729048] ? graph_lock+0x170/0x170 [ 242.732393] / [ 242.736621] ? pvclock_read_flags+0x160/0x160 [ 242.743092] mems_allowed=0 [ 242.747061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.788279] ? check_preemption_disabled+0x48/0x200 [ 242.793310] ? __lock_is_held+0xb5/0x140 [ 242.797391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.803018] ? check_preemption_disabled+0x48/0x200 [ 242.808045] run_timer_softirq+0x52/0xb0 [ 242.812107] ? rcu_read_lock_sched_held+0x108/0x120 [ 242.817149] __do_softirq+0x30b/0xad8 [ 242.820968] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 242.826077] ? pvclock_read_flags+0x160/0x160 [ 242.830587] ? lapic_next_event+0x5a/0x90 [ 242.834750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.840293] ? check_preemption_disabled+0x48/0x200 [ 242.845328] ? check_preemption_disabled+0x48/0x200 [ 242.850364] ? kvm_clock_read+0x18/0x30 [ 242.854338] ? kvm_sched_clock_read+0x9/0x20 [ 242.858752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.864290] ? check_preemption_disabled+0x48/0x200 [ 242.869343] irq_exit+0x17f/0x1c0 [ 242.872840] smp_apic_timer_interrupt+0x1cb/0x760 [ 242.877681] ? smp_reschedule_interrupt+0x109/0x650 [ 242.882704] ? smp_call_function_single_interrupt+0x650/0x650 [ 242.888587] ? interrupt_entry+0xb5/0xf0 [ 242.892663] ? trace_hardirqs_off_caller+0xbb/0x300 [ 242.897677] ? trace_hardirqs_off_caller+0xbb/0x300 [ 242.902693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.907541] ? trace_hardirqs_off+0x300/0x300 [ 242.912038] ? trace_hardirqs_off+0x300/0x300 [ 242.916535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.922073] ? check_preemption_disabled+0x48/0x200 [ 242.927100] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.931963] apic_timer_interrupt+0xf/0x20 [ 242.936194] [ 242.938439] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 242.943372] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 242.962272] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 242.969982] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 242.977253] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 242.984524] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 242.991791] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 242.999058] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 243.006370] skb_clone+0x1bb/0x500 [ 243.009913] ? skb_split+0x11e0/0x11e0 [ 243.013812] ? preempt_notifier_register+0x200/0x200 [ 243.018920] ? __switch_to_asm+0x34/0x70 [ 243.022987] ? __switch_to_asm+0x34/0x70 [ 243.027053] ? __switch_to_asm+0x40/0x70 [ 243.031118] ? __switch_to_asm+0x34/0x70 [ 243.035180] ? __switch_to_asm+0x40/0x70 [ 243.039243] ? __switch_to_asm+0x40/0x70 [ 243.043309] ? __switch_to_asm+0x34/0x70 [ 243.047375] ? __switch_to_asm+0x34/0x70 [ 243.051438] ? __switch_to_asm+0x40/0x70 [ 243.055504] ? __switch_to_asm+0x34/0x70 [ 243.059577] bpf_clone_redirect+0xb9/0x490 [ 243.063833] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 243.068865] ? __sched_text_start+0x8/0x8 [ 243.073023] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.077793] ? find_held_lock+0x36/0x1c0 [ 243.081869] ? lock_acquire+0x1ed/0x520 [ 243.085846] ? bpf_test_run+0x32e/0x5a0 [ 243.089829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.095370] ? check_preemption_disabled+0x48/0x200 [ 243.100393] ? kasan_check_read+0x11/0x20 [ 243.104551] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.109832] ? rcu_bh_qs+0xc0/0xc0 [ 243.113381] ? preempt_schedule+0x4d/0x60 [ 243.117536] ? ___preempt_schedule+0x16/0x18 [ 243.121977] ? bpf_test_run+0x1c0/0x5a0 [ 243.125983] ? netlink_diag_dump+0x2a0/0x2a0 [ 243.130400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.135939] ? bpf_test_init.isra.9+0x70/0x100 [ 243.140540] ? bpf_prog_test_run_skb+0x634/0xb40 [ 243.145310] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 243.150159] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 243.155699] ? fput+0x130/0x1a0 [ 243.158988] ? __bpf_prog_get+0x9b/0x290 [ 243.163058] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 243.167906] ? bpf_prog_test_run+0x130/0x1a0 [ 243.172322] ? __x64_sys_bpf+0x3d8/0x510 [ 243.176390] ? bpf_prog_get+0x20/0x20 [ 243.180201] ? ksys_ioctl+0x81/0xd0 [ 243.183845] ? do_syscall_64+0x1b9/0x820 [ 243.187910] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 243.193281] ? syscall_return_slowpath+0x5e0/0x5e0 [ 243.198229] ? trace_hardirqs_off+0x300/0x300 [ 243.202732] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 243.207752] ? recalc_sigpending_tsk+0x180/0x180 [ 243.212510] ? kasan_check_write+0x14/0x20 [ 243.216756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.221623] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.227010] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 243.227088] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.233852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.233876] Workqueue: (null) [ 243.240434] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.249704] (events) [ 243.253759] syz-executor1 cpuset= [ 243.266630] syz1 [ 243.270068] Call Trace: [ 243.270082] mems_allowed=0 [ 243.272043] [ 243.279686] dump_stack+0x1c4/0x2b4 [ 243.283320] ? dump_stack_print_info.cold.2+0x52/0x52 [ 243.288532] warn_alloc.cold.118+0xb7/0x1bd [ 243.292863] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.297715] ? lock_downgrade+0x900/0x900 [ 243.301879] ? trace_hardirqs_off+0xb8/0x300 [ 243.306302] ? trace_hardirqs_off+0xb8/0x300 [ 243.310727] __alloc_pages_slowpath+0x2667/0x2d80 [ 243.315606] ? warn_alloc+0x120/0x120 [ 243.319417] ? warn_alloc+0x120/0x120 [ 243.323222] ? print_usage_bug+0xc0/0xc0 [ 243.327288] ? warn_alloc+0x120/0x120 [ 243.331095] ? print_usage_bug+0xc0/0xc0 [ 243.335163] ? __lock_acquire+0x7ec/0x4ec0 [ 243.339400] ? __lock_acquire+0x7ec/0x4ec0 [ 243.343644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.349189] ? should_fail+0x22d/0xd01 [ 243.353084] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.358191] ? __lock_acquire+0x7ec/0x4ec0 [ 243.362435] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.367543] ? __lock_acquire+0x7ec/0x4ec0 [ 243.371781] ? should_fail+0x22d/0xd01 [ 243.375686] ? mark_held_locks+0x130/0x130 [ 243.379932] ? mark_held_locks+0x130/0x130 [ 243.384178] ? graph_lock+0x170/0x170 [ 243.387992] ? graph_lock+0x170/0x170 [ 243.391801] ? graph_lock+0x170/0x170 [ 243.395605] ? print_usage_bug+0xc0/0xc0 [ 243.399672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.405213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.410752] ? check_preemption_disabled+0x48/0x200 [ 243.415769] ? check_preemption_disabled+0x48/0x200 [ 243.420802] ? __lock_is_held+0xb5/0x140 [ 243.424876] __alloc_pages_nodemask+0xa80/0xde0 [ 243.429551] ? graph_lock+0x170/0x170 [ 243.433365] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.438381] ? graph_lock+0x170/0x170 [ 243.442201] ? find_held_lock+0x36/0x1c0 [ 243.446279] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.450953] ? lock_downgrade+0x900/0x900 [ 243.455121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.460669] cache_grow_begin+0x91/0x8c0 [ 243.464739] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.469165] fallback_alloc+0x203/0x2e0 [ 243.473156] ____cache_alloc_node+0x1c7/0x1e0 [ 243.477662] kmem_cache_alloc_node+0xe3/0x730 [ 243.482162] ? ipv6_get_ifaddr+0x42e/0x620 [ 243.486410] __alloc_skb+0x119/0x770 [ 243.490129] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.495414] ? skb_scrub_packet+0x490/0x490 [ 243.499739] ? lock_downgrade+0x900/0x900 [ 243.503900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.509441] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.514901] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.520360] ? addrconf_rs_timer+0x6f0/0x6f0 [ 243.524789] ndisc_alloc_skb+0x144/0x340 [ 243.528860] ndisc_send_rs+0x331/0x6e0 [ 243.532759] addrconf_rs_timer+0x3c0/0x6f0 [ 243.537004] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.541257] call_timer_fn+0x272/0x920 [ 243.545153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.549392] ? process_timeout+0x40/0x40 [ 243.553454] ? find_held_lock+0x36/0x1c0 [ 243.557527] ? __run_timers+0x7da/0xc70 [ 243.561508] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.566010] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.570510] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.574748] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 243.579340] ? trace_hardirqs_on+0xbd/0x310 [ 243.583661] ? kasan_check_read+0x11/0x20 [ 243.587811] ? __run_timers+0x7da/0xc70 [ 243.591791] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.597253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.601499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.605736] __run_timers+0x7e5/0xc70 [ 243.609558] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.614931] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.619955] ? graph_lock+0x170/0x170 [ 243.623770] ? enqueue_hrtimer+0x1a5/0x560 [ 243.628010] ? lock_release+0x970/0x970 [ 243.631996] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.637205] ? find_held_lock+0x36/0x1c0 [ 243.641280] ? pvclock_read_flags+0x160/0x160 [ 243.645778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.651318] ? check_preemption_disabled+0x48/0x200 [ 243.656348] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 243.661889] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.667173] ? rcu_pm_notify+0xc0/0xc0 [ 243.671071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.676612] ? check_preemption_disabled+0x48/0x200 [ 243.681639] run_timer_softirq+0x52/0xb0 [ 243.685708] ? rcu_read_lock_sched_held+0x108/0x120 [ 243.690741] __do_softirq+0x30b/0xad8 [ 243.694560] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.699677] ? pvclock_read_flags+0x160/0x160 [ 243.704179] ? lapic_next_event+0x5a/0x90 [ 243.708332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.713876] ? check_preemption_disabled+0x48/0x200 [ 243.718899] ? check_preemption_disabled+0x48/0x200 [ 243.723925] ? kvm_clock_read+0x18/0x30 [ 243.727912] ? kvm_sched_clock_read+0x9/0x20 [ 243.732332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.737877] ? check_preemption_disabled+0x48/0x200 [ 243.742912] irq_exit+0x17f/0x1c0 [ 243.746374] smp_apic_timer_interrupt+0x1cb/0x760 [ 243.751226] ? smp_call_function_single_interrupt+0x650/0x650 [ 243.757115] ? interrupt_entry+0xb5/0xf0 [ 243.761187] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.766208] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.771234] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.776080] ? trace_hardirqs_off+0x300/0x300 [ 243.780583] ? trace_hardirqs_off+0x300/0x300 [ 243.785081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.790620] ? check_preemption_disabled+0x48/0x200 [ 243.795638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.801190] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.806048] apic_timer_interrupt+0xf/0x20 [ 243.810280] [ 243.812525] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 243.817634] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 243.836532] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 243.844244] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 243.851516] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 243.858789] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 243.866057] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 243.873332] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 243.880637] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.885141] finish_task_switch+0x1f5/0x900 [ 243.889468] ? finish_task_switch+0x1b5/0x900 [ 243.893979] ? __switch_to_asm+0x34/0x70 [ 243.898057] ? preempt_notifier_register+0x200/0x200 [ 243.903166] ? __switch_to_asm+0x34/0x70 [ 243.907229] ? __switch_to_asm+0x34/0x70 [ 243.911296] ? __switch_to_asm+0x40/0x70 [ 243.915357] ? __switch_to_asm+0x34/0x70 [ 243.919420] ? __switch_to_asm+0x40/0x70 [ 243.923508] ? __switch_to_asm+0x34/0x70 [ 243.927576] ? __switch_to_asm+0x40/0x70 [ 243.931637] ? __switch_to_asm+0x34/0x70 [ 243.935703] ? __switch_to_asm+0x40/0x70 [ 243.939764] ? __switch_to_asm+0x34/0x70 [ 243.943826] ? __switch_to_asm+0x40/0x70 [ 243.947893] ? __switch_to_asm+0x34/0x70 [ 243.951954] ? __switch_to_asm+0x40/0x70 [ 243.956022] ? __switch_to_asm+0x34/0x70 [ 243.960085] ? __switch_to_asm+0x40/0x70 [ 243.964163] __schedule+0x874/0x1ed0 [ 243.967884] ? lockdep_hardirqs_on+0x421/0x5c0 [ 243.972480] ? __sched_text_start+0x8/0x8 [ 243.976640] ? graph_lock+0x170/0x170 [ 243.980541] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.985312] ? lockdep_hardirqs_on+0x421/0x5c0 [ 243.989898] ? retint_kernel+0x2d/0x2d [ 243.993795] ? find_held_lock+0x36/0x1c0 [ 243.997871] schedule+0xfe/0x460 [ 244.001246] ? __schedule+0x1ed0/0x1ed0 [ 244.005224] ? lockdep_hardirqs_on+0x421/0x5c0 [ 244.009812] ? trace_hardirqs_on+0xbd/0x310 [ 244.014135] ? kasan_check_read+0x11/0x20 [ 244.018285] ? worker_thread+0x3ca/0x1390 [ 244.022438] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.028373] ? kasan_check_write+0x14/0x20 [ 244.032612] ? do_raw_spin_lock+0xc1/0x200 [ 244.036860] worker_thread+0x3cf/0x1390 [ 244.040844] ? __switch_to_asm+0x34/0x70 [ 244.044921] ? process_one_work+0x1b90/0x1b90 [ 244.049443] ? graph_lock+0x170/0x170 [ 244.053261] ? __sched_text_start+0x8/0x8 [ 244.057424] ? find_held_lock+0x36/0x1c0 [ 244.061505] ? __kthread_parkme+0xce/0x1a0 [ 244.065752] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 244.070862] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 244.075985] ? lockdep_hardirqs_on+0x421/0x5c0 [ 244.080579] ? trace_hardirqs_on+0xbd/0x310 [ 244.084901] ? kasan_check_read+0x11/0x20 [ 244.089058] ? __kthread_parkme+0xce/0x1a0 [ 244.093299] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.098763] ? kasan_check_write+0x14/0x20 [ 244.103008] ? do_raw_spin_lock+0xc1/0x200 [ 244.107260] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 244.112373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.117917] ? __kthread_parkme+0xfb/0x1a0 [ 244.122169] kthread+0x35a/0x420 [ 244.125543] ? process_one_work+0x1b90/0x1b90 [ 244.130040] ? kthread_bind+0x40/0x40 [ 244.133849] ret_from_fork+0x3a/0x50 [ 244.137840] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 244.137846] warn_alloc_show_mem: 1 callbacks suppressed [ 244.137855] Mem-Info: [ 244.145047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.150424] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 244.150424] active_file:13 inactive_file:18 isolated_file:0 [ 244.150424] unevictable:0 dirty:0 writeback:0 unstable:0 [ 244.150424] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 244.150424] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 244.150424] free:13747 free_pcp:307 free_cma:0 [ 244.152800] Call Trace: [ 244.162197] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 244.195056] [ 244.197634] Node 0 [ 244.225304] dump_stack+0x1c4/0x2b4 [ 244.227456] 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 [ 244.229667] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.233272] lowmem_reserve[]: [ 244.258781] warn_alloc.cold.118+0xb7/0x1bd [ 244.263943] 0 [ 244.267055] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.271345] 2815 6318 [ 244.273161] ? lock_downgrade+0x900/0x900 [ 244.277984] 6318 [ 244.280489] ? trace_hardirqs_off+0xb8/0x300 [ 244.286667] ? trace_hardirqs_off+0xb8/0x300 [ 244.291079] Node 0 DMA32 free:25280kB 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 [ 244.295519] __alloc_pages_slowpath+0x2667/0x2d80 [ 244.295564] ? warn_alloc+0x120/0x120 [ 244.323105] lowmem_reserve[]: 0 [ 244.327974] ? trace_hardirqs_on+0x310/0x310 [ 244.331739] 0 3503 [ 244.335026] ? warn_alloc+0x120/0x120 [ 244.339415] 3503 [ 244.341653] ? print_usage_bug+0xc0/0xc0 [ 244.345430] Node 0 [ 244.347494] ? warn_alloc+0x120/0x120 [ 244.351566] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 244.353777] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 244.357549] lowmem_reserve[]: 0 [ 244.385922] ? print_usage_bug+0xc0/0xc0 [ 244.390919] 0 [ 244.394197] ? __lock_acquire+0x7ec/0x4ec0 [ 244.398236] 0 [ 244.400037] ? __lock_acquire+0x7ec/0x4ec0 [ 244.404241] 0 [ 244.406052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.410262] Node 0 [ 244.412068] ? should_fail+0x22d/0xd01 [ 244.417580] DMA: [ 244.419826] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.423695] 1*4kB [ 244.425756] ? __lock_acquire+0x7ec/0x4ec0 [ 244.430835] (U) [ 244.432989] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.437202] 0*8kB [ 244.439173] ? __lock_acquire+0x7ec/0x4ec0 [ 244.444272] 0*16kB [ 244.446420] ? should_fail+0x22d/0xd01 [ 244.450634] 1*32kB [ 244.452869] ? print_usage_bug+0xc0/0xc0 [ 244.456738] (U) [ 244.458986] ? mark_held_locks+0x130/0x130 [ 244.463027] 2*64kB [ 244.465002] ? mark_held_locks+0x130/0x130 [ 244.469213] (U) [ 244.471454] ? graph_lock+0x170/0x170 [ 244.475664] 1*128kB [ 244.477635] ? print_usage_bug+0xc0/0xc0 [ 244.481417] (U) [ 244.483745] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.487782] 1*256kB [ 244.489761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.494491] (U) [ 244.496814] ? check_preemption_disabled+0x48/0x200 [ 244.502330] 0*512kB [ 244.504303] ? check_preemption_disabled+0x48/0x200 [ 244.509296] 1*1024kB [ 244.511625] ? __lock_is_held+0xb5/0x140 [ 244.516707] (U) [ 244.519125] __alloc_pages_nodemask+0xa80/0xde0 [ 244.523163] 1*2048kB [ 244.525136] ? graph_lock+0x170/0x170 [ 244.529783] (M) [ 244.532195] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 244.535980] 3*4096kB (M) [ 244.537965] ? graph_lock+0x170/0x170 [ 244.542958] = 15908kB [ 244.542969] Node 0 [ 244.545734] ? find_held_lock+0x36/0x1c0 [ 244.549507] DMA32: [ 244.551922] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.554139] 4*4kB [ 244.558198] ? lock_downgrade+0x900/0x900 [ 244.560414] (UM) [ 244.565086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.567215] 2*8kB [ 244.571360] cache_grow_begin+0x91/0x8c0 [ 244.573400] (M) [ 244.578934] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.581062] 2*16kB [ 244.585127] fallback_alloc+0x203/0x2e0 [ 244.587078] (UM) [ 244.591491] ____cache_alloc_node+0x1c7/0x1e0 [ 244.593703] 2*32kB (UM) [ 244.597685] kmem_cache_alloc_node+0xe3/0x730 [ 244.599731] 3*64kB [ 244.604227] ? ipv6_get_ifaddr+0x42e/0x620 [ 244.606875] (UM) [ 244.611372] __alloc_skb+0x119/0x770 [ 244.613586] 3*128kB [ 244.617820] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.619860] (M) [ 244.623570] ? skb_scrub_packet+0x490/0x490 [ 244.625875] 2*256kB [ 244.631145] ? lock_downgrade+0x900/0x900 [ 244.633100] (M) [ 244.637423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.639724] 3*512kB [ 244.643868] ? refcount_sub_and_test_checked+0x203/0x310 [ 244.645814] (M) 4*1024kB [ 244.652751] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 244.655052] (UM) [ 244.660504] ? addrconf_rs_timer+0x6f0/0x6f0 [ 244.663235] 3*2048kB (UM) [ 244.668702] ndisc_alloc_skb+0x144/0x340 [ 244.670735] 3*4096kB [ 244.675144] ndisc_send_rs+0x331/0x6e0 [ 244.677987] (M) [ 244.682050] addrconf_rs_timer+0x3c0/0x6f0 [ 244.684440] = 25280kB [ 244.688335] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.690292] Node 0 [ 244.694536] call_timer_fn+0x272/0x920 [ 244.696908] Normal: 876*4kB [ 244.701150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.703364] (UME) [ 244.707255] ? process_timeout+0x40/0x40 [ 244.710253] 393*8kB [ 244.714487] ? find_held_lock+0x36/0x1c0 [ 244.716621] (UMEH) [ 244.720685] ? __run_timers+0x7da/0xc70 [ 244.722995] 183*16kB [ 244.727053] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.729272] (UMEH) [ 244.733244] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.735640] 70*32kB [ 244.740131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.742344] (UMEH) [ 244.746838] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 244.749141] 13*64kB [ 244.753371] ? trace_hardirqs_on+0xbd/0x310 [ 244.755585] (UMH) [ 244.760162] ? kasan_check_read+0x11/0x20 [ 244.762474] 3*128kB [ 244.766793] ? __run_timers+0x7da/0xc70 [ 244.768920] (UH) [ 244.773065] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.775360] 3*256kB (H) [ 244.779347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.781390] 0*512kB [ 244.786837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.789489] 0*1024kB [ 244.793725] __run_timers+0x7e5/0xc70 [ 244.796029] 0*2048kB [ 244.800271] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 244.802654] 0*4096kB [ 244.806454] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 244.808844] = 13800kB [ 244.814201] ? graph_lock+0x170/0x170 [ 244.816597] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 244.821600] ? enqueue_hrtimer+0x1a5/0x560 [ 244.824004] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 244.827798] ? lock_release+0x970/0x970 [ 244.836611] 410 total pagecache pages [ 244.840853] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 244.849411] 0 pages in swap cache [ 244.853378] ? find_held_lock+0x36/0x1c0 [ 244.857162] Swap cache stats: add 0, delete 0, find 0/0 [ 244.863995] ? graph_lock+0x170/0x170 [ 244.867431] Free swap = 0kB [ 244.871496] ? pvclock_read_flags+0x160/0x160 [ 244.876842] Total swap = 0kB [ 244.880645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.883641] 1965979 pages RAM [ 244.888131] ? check_preemption_disabled+0x48/0x200 [ 244.891134] 0 pages HighMem/MovableOnly [ 244.896676] ? __lock_is_held+0xb5/0x140 [ 244.899756] 343323 pages reserved [ 244.899766] 0 pages cma reserved [ 244.904784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.908797] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 244.912795] ? check_preemption_disabled+0x48/0x200 [ 244.916288] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 244.919604] run_timer_softirq+0x52/0xb0 [ 244.925117] kworker/0:1 cpuset= [ 244.931605] ? rcu_read_lock_sched_held+0x108/0x120 [ 244.936598] / [ 244.946908] __do_softirq+0x30b/0xad8 [ 244.950948] mems_allowed=0 [ 244.954241] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 244.972748] ? pvclock_read_flags+0x160/0x160 [ 244.977250] ? lapic_next_event+0x5a/0x90 [ 244.981410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.986962] ? check_preemption_disabled+0x48/0x200 [ 244.991989] ? check_preemption_disabled+0x48/0x200 [ 244.997019] ? kvm_clock_read+0x18/0x30 [ 245.001003] ? kvm_sched_clock_read+0x9/0x20 [ 245.005422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.010968] ? check_preemption_disabled+0x48/0x200 [ 245.016005] irq_exit+0x17f/0x1c0 [ 245.019473] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.024322] ? smp_reschedule_interrupt+0x109/0x650 [ 245.029352] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.035244] ? interrupt_entry+0xb5/0xf0 [ 245.039313] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.044343] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.049365] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.054213] ? trace_hardirqs_off+0x300/0x300 [ 245.058714] ? trace_hardirqs_off+0x300/0x300 [ 245.063216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.068755] ? check_preemption_disabled+0x48/0x200 [ 245.073783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.078641] apic_timer_interrupt+0xf/0x20 [ 245.082871] [ 245.085119] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 245.090060] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 245.108970] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 245.116684] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 245.123966] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 245.131241] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 245.138512] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 245.145785] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 245.153097] skb_clone+0x1bb/0x500 [ 245.156643] ? skb_split+0x11e0/0x11e0 [ 245.160541] ? preempt_notifier_register+0x200/0x200 [ 245.165648] ? __switch_to_asm+0x34/0x70 [ 245.169710] ? __switch_to_asm+0x34/0x70 [ 245.173773] ? __switch_to_asm+0x40/0x70 [ 245.177837] ? __switch_to_asm+0x34/0x70 [ 245.181898] ? __switch_to_asm+0x40/0x70 [ 245.185972] ? __switch_to_asm+0x40/0x70 [ 245.190037] ? __switch_to_asm+0x34/0x70 [ 245.194104] ? __switch_to_asm+0x34/0x70 [ 245.198170] ? __switch_to_asm+0x40/0x70 [ 245.202236] ? __switch_to_asm+0x34/0x70 [ 245.206309] bpf_clone_redirect+0xb9/0x490 [ 245.210573] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 245.215602] ? __sched_text_start+0x8/0x8 [ 245.219761] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.224529] ? find_held_lock+0x36/0x1c0 [ 245.228606] ? lock_acquire+0x1ed/0x520 [ 245.232583] ? bpf_test_run+0x32e/0x5a0 [ 245.236566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.242106] ? check_preemption_disabled+0x48/0x200 [ 245.247130] ? kasan_check_read+0x11/0x20 [ 245.251283] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.256566] ? rcu_bh_qs+0xc0/0xc0 [ 245.260112] ? preempt_schedule+0x4d/0x60 [ 245.264268] ? ___preempt_schedule+0x16/0x18 [ 245.268702] ? bpf_test_run+0x1c0/0x5a0 [ 245.272692] ? netlink_diag_dump+0x2a0/0x2a0 [ 245.277113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.282650] ? bpf_test_init.isra.9+0x70/0x100 [ 245.287243] ? bpf_prog_test_run_skb+0x634/0xb40 [ 245.292012] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.296858] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.302400] ? fput+0x130/0x1a0 [ 245.305690] ? __bpf_prog_get+0x9b/0x290 [ 245.309758] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.314604] ? bpf_prog_test_run+0x130/0x1a0 [ 245.319023] ? __x64_sys_bpf+0x3d8/0x510 [ 245.323093] ? bpf_prog_get+0x20/0x20 [ 245.326913] ? ksys_ioctl+0x81/0xd0 [ 245.330559] ? do_syscall_64+0x1b9/0x820 [ 245.334625] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 245.339997] ? syscall_return_slowpath+0x5e0/0x5e0 [ 245.344937] ? trace_hardirqs_off+0x300/0x300 [ 245.349446] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 245.354479] ? recalc_sigpending_tsk+0x180/0x180 [ 245.359238] ? kasan_check_write+0x14/0x20 [ 245.363493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.368347] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 245.373736] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 245.373809] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.380581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.380606] Workqueue: (null) (events) [ 245.380626] Call Trace: [ 245.387360] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.396463] [ 245.401304] syz-executor1 cpuset= [ 245.403886] dump_stack+0x1c4/0x2b4 [ 245.414352] syz1 [ 245.416500] ? dump_stack_print_info.cold.2+0x52/0x52 [ 245.419935] mems_allowed=0 [ 245.423570] warn_alloc.cold.118+0xb7/0x1bd [ 245.437947] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 245.442805] ? lock_downgrade+0x900/0x900 [ 245.446970] ? trace_hardirqs_off+0xb8/0x300 [ 245.451390] ? trace_hardirqs_off+0xb8/0x300 [ 245.455815] __alloc_pages_slowpath+0x2667/0x2d80 [ 245.460696] ? warn_alloc+0x120/0x120 [ 245.464509] ? warn_alloc+0x120/0x120 [ 245.468318] ? print_usage_bug+0xc0/0xc0 [ 245.472384] ? warn_alloc+0x120/0x120 [ 245.476191] ? print_usage_bug+0xc0/0xc0 [ 245.480258] ? __lock_acquire+0x7ec/0x4ec0 [ 245.484503] ? __lock_acquire+0x7ec/0x4ec0 [ 245.488747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.494288] ? should_fail+0x22d/0xd01 [ 245.498191] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.503303] ? __lock_acquire+0x7ec/0x4ec0 [ 245.507549] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.512658] ? __lock_acquire+0x7ec/0x4ec0 [ 245.516898] ? should_fail+0x22d/0xd01 [ 245.520800] ? mark_held_locks+0x130/0x130 [ 245.525046] ? mark_held_locks+0x130/0x130 [ 245.529284] ? graph_lock+0x170/0x170 [ 245.533117] ? graph_lock+0x170/0x170 [ 245.536925] ? graph_lock+0x170/0x170 [ 245.540727] ? print_usage_bug+0xc0/0xc0 [ 245.544795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.550336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.555880] ? check_preemption_disabled+0x48/0x200 [ 245.560895] ? check_preemption_disabled+0x48/0x200 [ 245.565926] ? __lock_is_held+0xb5/0x140 [ 245.570010] __alloc_pages_nodemask+0xa80/0xde0 [ 245.574693] ? graph_lock+0x170/0x170 [ 245.578502] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.583543] ? graph_lock+0x170/0x170 [ 245.587362] ? find_held_lock+0x36/0x1c0 [ 245.591441] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.596118] ? lock_downgrade+0x900/0x900 [ 245.600277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.605825] cache_grow_begin+0x91/0x8c0 [ 245.609892] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.614313] fallback_alloc+0x203/0x2e0 [ 245.618300] ____cache_alloc_node+0x1c7/0x1e0 [ 245.622805] kmem_cache_alloc_node+0xe3/0x730 [ 245.627308] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.631558] __alloc_skb+0x119/0x770 [ 245.635282] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.640568] ? skb_scrub_packet+0x490/0x490 [ 245.644897] ? lock_downgrade+0x900/0x900 [ 245.649059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.654604] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.660063] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.665518] ? addrconf_rs_timer+0x6f0/0x6f0 [ 245.669946] ndisc_alloc_skb+0x144/0x340 [ 245.674027] ndisc_send_rs+0x331/0x6e0 [ 245.677930] addrconf_rs_timer+0x3c0/0x6f0 [ 245.682181] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.686437] call_timer_fn+0x272/0x920 [ 245.690333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.694574] ? process_timeout+0x40/0x40 [ 245.698641] ? find_held_lock+0x36/0x1c0 [ 245.702719] ? __run_timers+0x7da/0xc70 [ 245.706703] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.711203] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.715700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.719942] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 245.724536] ? trace_hardirqs_on+0xbd/0x310 [ 245.728863] ? kasan_check_read+0x11/0x20 [ 245.733017] ? __run_timers+0x7da/0xc70 [ 245.736998] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.742461] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.746709] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.750950] __run_timers+0x7e5/0xc70 [ 245.754789] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.760157] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 245.765182] ? graph_lock+0x170/0x170 [ 245.768993] ? enqueue_hrtimer+0x1a5/0x560 [ 245.773232] ? lock_release+0x970/0x970 [ 245.777211] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 245.782411] ? find_held_lock+0x36/0x1c0 [ 245.786484] ? pvclock_read_flags+0x160/0x160 [ 245.790988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.796537] ? check_preemption_disabled+0x48/0x200 [ 245.801568] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 245.807121] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.812406] ? rcu_pm_notify+0xc0/0xc0 [ 245.816304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.821846] ? check_preemption_disabled+0x48/0x200 [ 245.826878] run_timer_softirq+0x52/0xb0 [ 245.830947] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.835978] __do_softirq+0x30b/0xad8 [ 245.839800] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.844911] ? pvclock_read_flags+0x160/0x160 [ 245.849410] ? lapic_next_event+0x5a/0x90 [ 245.853561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.859099] ? check_preemption_disabled+0x48/0x200 [ 245.864118] ? check_preemption_disabled+0x48/0x200 [ 245.869143] ? kvm_clock_read+0x18/0x30 [ 245.873123] ? kvm_sched_clock_read+0x9/0x20 [ 245.877559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.883097] ? check_preemption_disabled+0x48/0x200 [ 245.888134] irq_exit+0x17f/0x1c0 [ 245.891595] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.896447] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.902339] ? interrupt_entry+0xb5/0xf0 [ 245.906406] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.911422] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.916446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.921300] ? trace_hardirqs_off+0x300/0x300 [ 245.925800] ? trace_hardirqs_off+0x300/0x300 [ 245.930308] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.935850] ? check_preemption_disabled+0x48/0x200 [ 245.940867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.946418] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.951278] apic_timer_interrupt+0xf/0x20 [ 245.955512] [ 245.957752] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 245.962857] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 245.981763] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 245.989490] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 245.996762] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 246.004030] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 246.011299] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 246.018567] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 246.026326] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.030831] finish_task_switch+0x1f5/0x900 [ 246.035157] ? finish_task_switch+0x1b5/0x900 [ 246.039661] ? __switch_to_asm+0x34/0x70 [ 246.043729] ? preempt_notifier_register+0x200/0x200 [ 246.048834] ? __switch_to_asm+0x34/0x70 [ 246.052900] ? __switch_to_asm+0x34/0x70 [ 246.056976] ? __switch_to_asm+0x40/0x70 [ 246.061040] ? __switch_to_asm+0x34/0x70 [ 246.065101] ? __switch_to_asm+0x40/0x70 [ 246.069164] ? __switch_to_asm+0x34/0x70 [ 246.073226] ? __switch_to_asm+0x40/0x70 [ 246.077293] ? __switch_to_asm+0x34/0x70 [ 246.081360] ? __switch_to_asm+0x40/0x70 [ 246.085423] ? __switch_to_asm+0x34/0x70 [ 246.089490] ? __switch_to_asm+0x40/0x70 [ 246.093555] ? __switch_to_asm+0x34/0x70 [ 246.097623] ? __switch_to_asm+0x40/0x70 [ 246.101688] ? __switch_to_asm+0x34/0x70 [ 246.105754] ? __switch_to_asm+0x40/0x70 [ 246.109831] __schedule+0x874/0x1ed0 [ 246.113552] ? lockdep_hardirqs_on+0x421/0x5c0 [ 246.118147] ? __sched_text_start+0x8/0x8 [ 246.122305] ? graph_lock+0x170/0x170 [ 246.126113] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 246.130879] ? lockdep_hardirqs_on+0x421/0x5c0 [ 246.135726] ? retint_kernel+0x2d/0x2d [ 246.139622] ? find_held_lock+0x36/0x1c0 [ 246.143701] schedule+0xfe/0x460 [ 246.147080] ? __schedule+0x1ed0/0x1ed0 [ 246.151060] ? lockdep_hardirqs_on+0x421/0x5c0 [ 246.155651] ? trace_hardirqs_on+0xbd/0x310 [ 246.159985] ? kasan_check_read+0x11/0x20 [ 246.164134] ? worker_thread+0x3ca/0x1390 [ 246.168288] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.173747] ? kasan_check_write+0x14/0x20 [ 246.177991] ? do_raw_spin_lock+0xc1/0x200 [ 246.182235] worker_thread+0x3cf/0x1390 [ 246.186214] ? __switch_to_asm+0x34/0x70 [ 246.190292] ? process_one_work+0x1b90/0x1b90 [ 246.194798] ? graph_lock+0x170/0x170 [ 246.198612] ? __sched_text_start+0x8/0x8 [ 246.202778] ? find_held_lock+0x36/0x1c0 [ 246.206853] ? __kthread_parkme+0xce/0x1a0 [ 246.211095] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 246.216200] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 246.221311] ? lockdep_hardirqs_on+0x421/0x5c0 [ 246.225898] ? trace_hardirqs_on+0xbd/0x310 [ 246.230219] ? kasan_check_read+0x11/0x20 [ 246.234382] ? __kthread_parkme+0xce/0x1a0 [ 246.238623] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.244085] ? kasan_check_write+0x14/0x20 [ 246.248328] ? do_raw_spin_lock+0xc1/0x200 [ 246.252576] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 246.257683] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.263223] ? __kthread_parkme+0xfb/0x1a0 [ 246.267481] kthread+0x35a/0x420 [ 246.270852] ? process_one_work+0x1b90/0x1b90 [ 246.275348] ? kthread_bind+0x40/0x40 [ 246.279160] ret_from_fork+0x3a/0x50 [ 246.282894] warn_alloc_show_mem: 1 callbacks suppressed [ 246.282906] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 246.282909] Mem-Info: [ 246.282940] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 246.282940] active_file:13 inactive_file:18 isolated_file:0 [ 246.282940] unevictable:0 dirty:0 writeback:0 unstable:0 [ 246.282940] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 246.282940] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 246.282940] free:13747 free_pcp:307 free_cma:0 [ 246.288291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.288300] Call Trace: [ 246.295501] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 246.297906] [ 246.330780] Node 0 [ 246.340135] dump_stack+0x1c4/0x2b4 [ 246.342724] 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 [ 246.370372] ? dump_stack_print_info.cold.2+0x52/0x52 [ 246.372501] lowmem_reserve[]: [ 246.374751] warn_alloc.cold.118+0xb7/0x1bd [ 246.378338] 0 2815 [ 246.403853] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.409019] 6318 6318 [ 246.412146] ? lock_downgrade+0x900/0x900 [ 246.416447] Node 0 [ 246.418696] ? trace_hardirqs_off+0xb8/0x300 [ 246.423538] DMA32 free:25280kB 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 [ 246.426011] ? trace_hardirqs_off+0xb8/0x300 [ 246.430128] lowmem_reserve[]: 0 [ 246.432382] __alloc_pages_slowpath+0x2667/0x2d80 [ 246.436754] 0 3503 [ 246.463771] ? warn_alloc+0x120/0x120 [ 246.468132] 3503 [ 246.471421] ? warn_alloc+0x120/0x120 [ 246.476244] Node 0 [ 246.478486] ? print_usage_bug+0xc0/0xc0 [ 246.482290] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 246.484324] ? warn_alloc+0x120/0x120 [ 246.488096] lowmem_reserve[]: 0 [ 246.490341] ? print_usage_bug+0xc0/0xc0 [ 246.494385] 0 [ 246.522754] ? graph_lock+0x170/0x170 [ 246.526534] 0 [ 246.529815] ? kvm_sched_clock_read+0x9/0x20 [ 246.533846] 0 [ 246.535667] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.539447] Node 0 [ 246.541259] ? should_fail+0x22d/0xd01 [ 246.545643] DMA: [ 246.547447] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.552958] 1*4kB (U) [ 246.555208] ? __lock_acquire+0x7ec/0x4ec0 [ 246.559066] 0*8kB 0*16kB [ 246.561139] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.566217] 1*32kB [ 246.568715] ? __lock_acquire+0x7ec/0x4ec0 [ 246.572932] (U) [ 246.575693] ? should_fail+0x22d/0xd01 [ 246.580777] 2*64kB [ 246.583015] ? mark_held_locks+0x130/0x130 [ 246.587222] (U) [ 246.589210] ? mark_held_locks+0x130/0x130 [ 246.593079] 1*128kB [ 246.595318] ? select_task_rq_fair+0x754/0x34f0 [ 246.599526] (U) [ 246.601505] ? lock_downgrade+0x900/0x900 [ 246.605718] 1*256kB [ 246.608040] ? check_preemption_disabled+0x48/0x200 [ 246.612687] (U) [ 246.614670] ? graph_lock+0x170/0x170 [ 246.618837] 0*512kB [ 246.621170] ? print_usage_bug+0xc0/0xc0 [ 246.626168] 1*1024kB [ 246.628150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.631926] (U) [ 246.634258] ? check_preemption_disabled+0x48/0x200 [ 246.638302] 1*2048kB [ 246.640708] ? check_preemption_disabled+0x48/0x200 [ 246.646224] (M) [ 246.648205] ? __lock_is_held+0xb5/0x140 [ 246.653198] 3*4096kB [ 246.655612] __alloc_pages_nodemask+0xa80/0xde0 [ 246.660602] (M) [ 246.662576] ? graph_lock+0x170/0x170 [ 246.666612] = 15908kB [ 246.666621] Node 0 [ 246.669042] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.673691] DMA32: [ 246.675668] ? graph_lock+0x170/0x170 [ 246.679446] 4*4kB [ 246.681871] ? find_held_lock+0x36/0x1c0 [ 246.684080] (UM) [ 246.689101] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.691311] 2*8kB [ 246.695108] ? lock_downgrade+0x900/0x900 [ 246.697236] (M) [ 246.701299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.703339] 2*16kB [ 246.708097] cache_grow_begin+0x91/0x8c0 [ 246.710226] (UM) [ 246.714374] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.716330] 2*32kB [ 246.721866] fallback_alloc+0x203/0x2e0 [ 246.724079] (UM) [ 246.728141] ____cache_alloc_node+0x1c7/0x1e0 [ 246.730181] 3*64kB [ 246.734592] kmem_cache_alloc_node+0xe3/0x730 [ 246.736812] (UM) [ 246.740789] ? ipv6_get_ifaddr+0x42e/0x620 [ 246.742829] 3*128kB [ 246.747329] __alloc_skb+0x119/0x770 [ 246.749541] (M) [ 246.754037] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.756068] 2*256kB (M) [ 246.760313] ? skb_scrub_packet+0x490/0x490 [ 246.762616] 3*512kB [ 246.766325] ? lock_downgrade+0x900/0x900 [ 246.768279] (M) [ 246.773556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.776200] 4*1024kB [ 246.780522] ? refcount_sub_and_test_checked+0x203/0x310 [ 246.782821] (UM) [ 246.786994] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 246.788949] 3*2048kB [ 246.794495] ? addrconf_rs_timer+0x6f0/0x6f0 [ 246.796883] (UM) [ 246.802342] ndisc_alloc_skb+0x144/0x340 [ 246.804376] 3*4096kB [ 246.809828] ndisc_send_rs+0x331/0x6e0 [ 246.812216] (M) [ 246.816627] addrconf_rs_timer+0x3c0/0x6f0 [ 246.818664] = 25280kB [ 246.822724] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.825119] Node 0 [ 246.829023] call_timer_fn+0x272/0x920 [ 246.830970] Normal: [ 246.835203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.837594] 876*4kB [ 246.841823] ? process_timeout+0x40/0x40 [ 246.844036] (UME) [ 246.847922] ? find_held_lock+0x36/0x1c0 [ 246.850223] 393*8kB [ 246.854460] ? __run_timers+0x7da/0xc70 [ 246.856758] (UMEH) [ 246.860820] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.862948] 183*16kB [ 246.867109] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.869436] (UMEH) [ 246.873414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.875634] 70*32kB [ 246.880126] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 246.882516] (UMEH) [ 246.887011] ? trace_hardirqs_on+0xbd/0x310 [ 246.889223] 13*64kB (UMH) [ 246.893475] ? kasan_check_read+0x11/0x20 [ 246.895767] 3*128kB (UH) [ 246.900358] ? __run_timers+0x7da/0xc70 [ 246.902573] 3*256kB [ 246.906891] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.909717] (H) [ 246.913875] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.916608] 0*512kB [ 246.920583] __run_timers+0x7e5/0xc70 [ 246.922884] 0*1024kB [ 246.928349] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 246.930298] 0*2048kB [ 246.934530] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 246.936827] 0*4096kB = 13800kB [ 246.940636] ? graph_lock+0x170/0x170 [ 246.943031] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 246.948386] ? enqueue_hrtimer+0x1a5/0x560 [ 246.950782] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 246.955792] ? lock_release+0x970/0x970 [ 246.958956] 410 total pagecache pages [ 246.958980] 0 pages in swap cache [ 246.962764] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 246.971581] Swap cache stats: add 0, delete 0, find 0/0 [ 246.975812] ? find_held_lock+0x36/0x1c0 [ 246.984367] Free swap = 0kB [ 246.988342] ? graph_lock+0x170/0x170 [ 246.992124] Total swap = 0kB [ 246.995577] ? pvclock_read_flags+0x160/0x160 [ 247.000744] 1965979 pages RAM [ 247.006192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.010223] 0 pages HighMem/MovableOnly [ 247.010233] 343323 pages reserved [ 247.013256] ? check_preemption_disabled+0x48/0x200 [ 247.017037] 0 pages cma reserved [ 247.020062] ? __lock_is_held+0xb5/0x140 [ 247.024605] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.027652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.027666] ? check_preemption_disabled+0x48/0x200 [ 247.027689] run_timer_softirq+0x52/0xb0 [ 247.033262] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.037181] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.040613] kworker/0:1 cpuset= [ 247.045631] __do_softirq+0x30b/0xad8 [ 247.048981] / [ 247.053050] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.059515] mems_allowed=0 [ 247.065050] ? pvclock_read_flags+0x160/0x160 [ 247.110649] ? lapic_next_event+0x5a/0x90 [ 247.114808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.120354] ? check_preemption_disabled+0x48/0x200 [ 247.125371] ? check_preemption_disabled+0x48/0x200 [ 247.130399] ? kvm_clock_read+0x18/0x30 [ 247.134376] ? kvm_sched_clock_read+0x9/0x20 [ 247.138791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.144331] ? check_preemption_disabled+0x48/0x200 [ 247.149366] irq_exit+0x17f/0x1c0 [ 247.152830] smp_apic_timer_interrupt+0x1cb/0x760 [ 247.157681] ? smp_reschedule_interrupt+0x109/0x650 [ 247.162703] ? smp_call_function_single_interrupt+0x650/0x650 [ 247.168596] ? interrupt_entry+0xb5/0xf0 [ 247.172668] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.177687] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.182707] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.187553] ? trace_hardirqs_off+0x300/0x300 [ 247.192058] ? trace_hardirqs_off+0x300/0x300 [ 247.196559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.202102] ? check_preemption_disabled+0x48/0x200 [ 247.207130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.211991] apic_timer_interrupt+0xf/0x20 [ 247.216228] [ 247.218492] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 247.223437] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 247.242346] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 247.250059] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 247.257327] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 247.264596] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 247.271867] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 247.279136] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 247.286451] skb_clone+0x1bb/0x500 [ 247.290009] ? skb_split+0x11e0/0x11e0 [ 247.293909] ? preempt_notifier_register+0x200/0x200 [ 247.299015] ? __switch_to_asm+0x34/0x70 [ 247.303082] ? __switch_to_asm+0x34/0x70 [ 247.307145] ? __switch_to_asm+0x40/0x70 [ 247.311214] ? __switch_to_asm+0x34/0x70 [ 247.315276] ? __switch_to_asm+0x40/0x70 [ 247.319343] ? __switch_to_asm+0x40/0x70 [ 247.323408] ? __switch_to_asm+0x34/0x70 [ 247.327483] ? __switch_to_asm+0x34/0x70 [ 247.331548] ? __switch_to_asm+0x40/0x70 [ 247.335615] ? __switch_to_asm+0x34/0x70 [ 247.339692] bpf_clone_redirect+0xb9/0x490 [ 247.343944] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 247.348987] ? __sched_text_start+0x8/0x8 [ 247.353145] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.357914] ? find_held_lock+0x36/0x1c0 [ 247.361995] ? lock_acquire+0x1ed/0x520 [ 247.365982] ? bpf_test_run+0x32e/0x5a0 [ 247.369975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.375519] ? check_preemption_disabled+0x48/0x200 [ 247.380547] ? kasan_check_read+0x11/0x20 [ 247.384704] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.389993] ? rcu_bh_qs+0xc0/0xc0 [ 247.393539] ? preempt_schedule+0x4d/0x60 [ 247.397695] ? ___preempt_schedule+0x16/0x18 [ 247.402114] ? bpf_test_run+0x1c0/0x5a0 [ 247.406106] ? netlink_diag_dump+0x2a0/0x2a0 [ 247.410522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.416063] ? bpf_test_init.isra.9+0x70/0x100 [ 247.420652] ? bpf_prog_test_run_skb+0x634/0xb40 [ 247.425418] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.430264] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.435804] ? fput+0x130/0x1a0 [ 247.439091] ? __bpf_prog_get+0x9b/0x290 [ 247.443161] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.448008] ? bpf_prog_test_run+0x130/0x1a0 [ 247.452427] ? __x64_sys_bpf+0x3d8/0x510 [ 247.456498] ? bpf_prog_get+0x20/0x20 [ 247.460313] ? ksys_ioctl+0x81/0xd0 [ 247.463965] ? do_syscall_64+0x1b9/0x820 [ 247.468032] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.473402] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.478338] ? trace_hardirqs_off+0x300/0x300 [ 247.482838] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.487865] ? recalc_sigpending_tsk+0x180/0x180 [ 247.492626] ? kasan_check_write+0x14/0x20 [ 247.496872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.501734] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.507136] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 247.507205] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.513986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.514010] Workqueue: (null) [ 247.520595] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.529826] (events) [ 247.533877] syz-executor1 cpuset= [ 247.544351] Call Trace: [ 247.546751] syz1 [ 247.550198] [ 247.552776] mems_allowed=0 [ 247.554747] dump_stack+0x1c4/0x2b4 [ 247.563423] ? dump_stack_print_info.cold.2+0x52/0x52 [ 247.568636] warn_alloc.cold.118+0xb7/0x1bd [ 247.572976] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.577830] ? lock_downgrade+0x900/0x900 [ 247.581997] ? trace_hardirqs_off+0xb8/0x300 [ 247.586418] ? trace_hardirqs_off+0xb8/0x300 [ 247.590839] __alloc_pages_slowpath+0x2667/0x2d80 [ 247.595716] ? warn_alloc+0x120/0x120 [ 247.599528] ? warn_alloc+0x120/0x120 [ 247.603333] ? print_usage_bug+0xc0/0xc0 [ 247.607414] ? warn_alloc+0x120/0x120 [ 247.611219] ? print_usage_bug+0xc0/0xc0 [ 247.615291] ? __lock_acquire+0x7ec/0x4ec0 [ 247.619532] ? __lock_acquire+0x7ec/0x4ec0 [ 247.623780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.629322] ? should_fail+0x22d/0xd01 [ 247.633224] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.638331] ? __lock_acquire+0x7ec/0x4ec0 [ 247.642575] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.647684] ? __lock_acquire+0x7ec/0x4ec0 [ 247.651920] ? should_fail+0x22d/0xd01 [ 247.655824] ? mark_held_locks+0x130/0x130 [ 247.660073] ? mark_held_locks+0x130/0x130 [ 247.664315] ? graph_lock+0x170/0x170 [ 247.668126] ? graph_lock+0x170/0x170 [ 247.671934] ? graph_lock+0x170/0x170 [ 247.675744] ? print_usage_bug+0xc0/0xc0 [ 247.679813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.685357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.690901] ? check_preemption_disabled+0x48/0x200 [ 247.695945] ? check_preemption_disabled+0x48/0x200 [ 247.700997] ? __lock_is_held+0xb5/0x140 [ 247.705072] __alloc_pages_nodemask+0xa80/0xde0 [ 247.709751] ? graph_lock+0x170/0x170 [ 247.713563] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 247.718580] ? graph_lock+0x170/0x170 [ 247.722398] ? find_held_lock+0x36/0x1c0 [ 247.726476] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.731153] ? lock_downgrade+0x900/0x900 [ 247.735315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.740867] cache_grow_begin+0x91/0x8c0 [ 247.744936] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.749363] fallback_alloc+0x203/0x2e0 [ 247.753350] ____cache_alloc_node+0x1c7/0x1e0 [ 247.757859] kmem_cache_alloc_node+0xe3/0x730 [ 247.762362] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.766612] __alloc_skb+0x119/0x770 [ 247.770335] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.775622] ? skb_scrub_packet+0x490/0x490 [ 247.779948] ? lock_downgrade+0x900/0x900 [ 247.784112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.789656] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.795120] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.800573] ? addrconf_rs_timer+0x6f0/0x6f0 [ 247.805006] ndisc_alloc_skb+0x144/0x340 [ 247.809079] ndisc_send_rs+0x331/0x6e0 [ 247.812987] addrconf_rs_timer+0x3c0/0x6f0 [ 247.817234] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.821489] call_timer_fn+0x272/0x920 [ 247.825385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.829628] ? process_timeout+0x40/0x40 [ 247.833693] ? find_held_lock+0x36/0x1c0 [ 247.837765] ? __run_timers+0x7da/0xc70 [ 247.841750] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.846249] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.850745] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.854988] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 247.859577] ? trace_hardirqs_on+0xbd/0x310 [ 247.863902] ? kasan_check_read+0x11/0x20 [ 247.868054] ? __run_timers+0x7da/0xc70 [ 247.872037] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.877501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.881747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.885989] __run_timers+0x7e5/0xc70 [ 247.889814] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.895187] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.900208] ? graph_lock+0x170/0x170 [ 247.904015] ? enqueue_hrtimer+0x1a5/0x560 [ 247.908252] ? lock_release+0x970/0x970 [ 247.912337] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 247.917536] ? find_held_lock+0x36/0x1c0 [ 247.921615] ? pvclock_read_flags+0x160/0x160 [ 247.926114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.931658] ? check_preemption_disabled+0x48/0x200 [ 247.936686] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 247.942227] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.947513] ? rcu_pm_notify+0xc0/0xc0 [ 247.951405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.956943] ? check_preemption_disabled+0x48/0x200 [ 247.961983] run_timer_softirq+0x52/0xb0 [ 247.966048] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.971074] __do_softirq+0x30b/0xad8 [ 247.974896] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.980011] ? pvclock_read_flags+0x160/0x160 [ 247.984510] ? lapic_next_event+0x5a/0x90 [ 247.988664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.994205] ? check_preemption_disabled+0x48/0x200 [ 247.999225] ? check_preemption_disabled+0x48/0x200 [ 248.004249] ? kvm_clock_read+0x18/0x30 [ 248.008232] ? kvm_sched_clock_read+0x9/0x20 [ 248.012648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.018189] ? check_preemption_disabled+0x48/0x200 [ 248.023221] irq_exit+0x17f/0x1c0 [ 248.027171] smp_apic_timer_interrupt+0x1cb/0x760 [ 248.032024] ? smp_call_function_single_interrupt+0x650/0x650 [ 248.037914] ? interrupt_entry+0xb5/0xf0 [ 248.041993] ? trace_hardirqs_off_caller+0xbb/0x300 [ 248.047013] ? trace_hardirqs_off_caller+0xbb/0x300 [ 248.052039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.056885] ? trace_hardirqs_off+0x300/0x300 [ 248.061381] ? trace_hardirqs_off+0x300/0x300 [ 248.065881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.071425] ? check_preemption_disabled+0x48/0x200 [ 248.076447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.082005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.086865] apic_timer_interrupt+0xf/0x20 [ 248.091100] [ 248.093343] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 248.098449] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 248.117352] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 248.125067] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 248.132335] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 248.139782] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 248.147057] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 248.154329] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 248.161631] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.166133] finish_task_switch+0x1f5/0x900 [ 248.170458] ? finish_task_switch+0x1b5/0x900 [ 248.174960] ? __switch_to_asm+0x34/0x70 [ 248.179037] ? preempt_notifier_register+0x200/0x200 [ 248.184143] ? __switch_to_asm+0x34/0x70 [ 248.188205] ? __switch_to_asm+0x34/0x70 [ 248.192268] ? __switch_to_asm+0x40/0x70 [ 248.196330] ? __switch_to_asm+0x34/0x70 [ 248.200395] ? __switch_to_asm+0x40/0x70 [ 248.204459] ? __switch_to_asm+0x34/0x70 [ 248.208528] ? __switch_to_asm+0x40/0x70 [ 248.212593] ? __switch_to_asm+0x34/0x70 [ 248.216659] ? __switch_to_asm+0x40/0x70 [ 248.220726] ? __switch_to_asm+0x34/0x70 [ 248.224788] ? __switch_to_asm+0x40/0x70 [ 248.228847] ? __switch_to_asm+0x34/0x70 [ 248.232912] ? __switch_to_asm+0x40/0x70 [ 248.236979] ? __switch_to_asm+0x34/0x70 [ 248.241047] ? __switch_to_asm+0x40/0x70 [ 248.245121] __schedule+0x874/0x1ed0 [ 248.248844] ? lockdep_hardirqs_on+0x421/0x5c0 [ 248.253439] ? __sched_text_start+0x8/0x8 [ 248.257600] ? graph_lock+0x170/0x170 [ 248.261408] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.266177] ? lockdep_hardirqs_on+0x421/0x5c0 [ 248.270764] ? retint_kernel+0x2d/0x2d [ 248.274658] ? find_held_lock+0x36/0x1c0 [ 248.278732] schedule+0xfe/0x460 [ 248.282111] ? __schedule+0x1ed0/0x1ed0 [ 248.286091] ? lockdep_hardirqs_on+0x421/0x5c0 [ 248.290677] ? trace_hardirqs_on+0xbd/0x310 [ 248.295006] ? kasan_check_read+0x11/0x20 [ 248.299155] ? worker_thread+0x3ca/0x1390 [ 248.303308] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.308764] ? kasan_check_write+0x14/0x20 [ 248.313003] ? do_raw_spin_lock+0xc1/0x200 [ 248.317252] worker_thread+0x3cf/0x1390 [ 248.321230] ? __switch_to_asm+0x34/0x70 [ 248.325313] ? process_one_work+0x1b90/0x1b90 [ 248.329825] ? graph_lock+0x170/0x170 [ 248.333640] ? __sched_text_start+0x8/0x8 [ 248.337803] ? find_held_lock+0x36/0x1c0 [ 248.341878] ? __kthread_parkme+0xce/0x1a0 [ 248.346121] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 248.351231] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 248.356372] ? lockdep_hardirqs_on+0x421/0x5c0 [ 248.360957] ? trace_hardirqs_on+0xbd/0x310 [ 248.365285] ? kasan_check_read+0x11/0x20 [ 248.369435] ? __kthread_parkme+0xce/0x1a0 [ 248.373676] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.379136] ? kasan_check_write+0x14/0x20 [ 248.383380] ? do_raw_spin_lock+0xc1/0x200 [ 248.387623] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 248.392734] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.398291] ? __kthread_parkme+0xfb/0x1a0 [ 248.402539] kthread+0x35a/0x420 [ 248.405913] ? process_one_work+0x1b90/0x1b90 [ 248.410416] ? kthread_bind+0x40/0x40 [ 248.414225] ret_from_fork+0x3a/0x50 [ 248.417960] warn_alloc_show_mem: 1 callbacks suppressed [ 248.417974] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 248.417976] Mem-Info: [ 248.418008] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 248.418008] active_file:13 inactive_file:18 isolated_file:0 [ 248.418008] unevictable:0 dirty:0 writeback:0 unstable:0 [ 248.418008] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 248.418008] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 248.418008] free:13747 free_pcp:307 free_cma:0 [ 248.423350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.423360] Call Trace: [ 248.430564] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 248.432964] [ 248.465834] Node 0 [ 248.475189] dump_stack+0x1c4/0x2b4 [ 248.477778] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 248.505424] ? dump_stack_print_info.cold.2+0x52/0x52 [ 248.507547] lowmem_reserve[]: 0 [ 248.509807] warn_alloc.cold.118+0xb7/0x1bd [ 248.513399] 2815 6318 [ 248.538909] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.544075] 6318 [ 248.547355] ? lock_downgrade+0x900/0x900 [ 248.554153] ? trace_hardirqs_off+0xb8/0x300 [ 248.558971] Node 0 [ 248.561039] ? trace_hardirqs_off+0xb8/0x300 [ 248.565188] DMA32 free:25280kB 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 [ 248.569574] __alloc_pages_slowpath+0x2667/0x2d80 [ 248.571781] lowmem_reserve[]: 0 [ 248.576229] ? warn_alloc+0x120/0x120 [ 248.603162] 0 [ 248.608036] ? trace_hardirqs_on+0x310/0x310 [ 248.611294] 3503 [ 248.615092] ? warn_alloc+0x120/0x120 [ 248.616878] 3503 [ 248.621281] ? print_usage_bug+0xc0/0xc0 [ 248.627120] ? warn_alloc+0x120/0x120 [ 248.629165] Node 0 [ 248.633229] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 248.637033] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 248.639241] ? print_usage_bug+0xc0/0xc0 [ 248.644231] lowmem_reserve[]: 0 [ 248.672603] ? __lock_acquire+0x7ec/0x4ec0 [ 248.676634] 0 0 [ 248.679919] ? __lock_acquire+0x7ec/0x4ec0 [ 248.684133] 0 [ 248.686112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.690325] Node 0 [ 248.692134] ? should_fail+0x22d/0xd01 [ 248.697646] DMA: [ 248.699882] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.703745] 1*4kB [ 248.705803] ? __lock_acquire+0x7ec/0x4ec0 [ 248.710896] (U) [ 248.713049] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.717266] 0*8kB [ 248.719243] ? __lock_acquire+0x7ec/0x4ec0 [ 248.724329] 0*16kB [ 248.726481] ? should_fail+0x22d/0xd01 [ 248.730694] 1*32kB [ 248.732926] ? print_usage_bug+0xc0/0xc0 [ 248.736790] (U) [ 248.739030] ? mark_held_locks+0x130/0x130 [ 248.743074] 2*64kB [ 248.745059] ? mark_held_locks+0x130/0x130 [ 248.749270] (U) [ 248.751513] ? graph_lock+0x170/0x170 [ 248.755724] 1*128kB [ 248.757700] ? print_usage_bug+0xc0/0xc0 [ 248.761480] (U) [ 248.763805] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.767849] 1*256kB [ 248.769823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.774556] (U) [ 248.776881] ? check_preemption_disabled+0x48/0x200 [ 248.782404] 0*512kB [ 248.784380] ? check_preemption_disabled+0x48/0x200 [ 248.789373] 1*1024kB (U) [ 248.791710] ? __lock_is_held+0xb5/0x140 [ 248.796692] 1*2048kB (M) [ 248.799473] __alloc_pages_nodemask+0xa80/0xde0 [ 248.803506] 3*4096kB [ 248.806262] ? graph_lock+0x170/0x170 [ 248.810911] (M) [ 248.813324] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.817106] = 15908kB [ 248.819081] ? graph_lock+0x170/0x170 [ 248.824075] Node 0 [ 248.826498] ? find_held_lock+0x36/0x1c0 [ 248.830274] DMA32: [ 248.832514] ? ____cache_alloc_node+0x1c7/0x1e0 [ 248.836548] 4*4kB [ 248.838780] ? lock_downgrade+0x900/0x900 [ 248.843428] (UM) [ 248.845584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.849701] 2*8kB (M) [ 248.851773] cache_grow_begin+0x91/0x8c0 [ 248.857308] 2*16kB (UM) [ 248.859820] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.863859] 2*32kB [ 248.866531] fallback_alloc+0x203/0x2e0 [ 248.870916] (UM) [ 248.873156] ____cache_alloc_node+0x1c7/0x1e0 [ 248.877105] 3*64kB [ 248.879169] kmem_cache_alloc_node+0xe3/0x730 [ 248.883644] (UM) [ 248.885880] ? ipv6_get_ifaddr+0x42e/0x620 [ 248.890350] 3*128kB (M) [ 248.892433] __alloc_skb+0x119/0x770 [ 248.896634] 2*256kB (M) [ 248.899316] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.903009] 3*512kB [ 248.905680] ? skb_scrub_packet+0x490/0x490 [ 248.910933] (M) [ 248.913264] ? lock_downgrade+0x900/0x900 [ 248.917564] 4*1024kB [ 248.919542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.923666] (UM) [ 248.926079] ? refcount_sub_and_test_checked+0x203/0x310 [ 248.931585] 3*2048kB (UM) [ 248.933661] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 248.939092] 3*4096kB [ 248.941937] ? addrconf_rs_timer+0x6f0/0x6f0 [ 248.947362] (M) [ 248.949785] ndisc_alloc_skb+0x144/0x340 [ 248.954156] = 25280kB [ 248.954166] Node 0 [ 248.956147] ndisc_send_rs+0x331/0x6e0 [ 248.960193] Normal: [ 248.962607] addrconf_rs_timer+0x3c0/0x6f0 [ 248.964830] 876*4kB [ 248.968716] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.971018] (UME) [ 248.975259] call_timer_fn+0x272/0x920 [ 248.977558] 393*8kB [ 248.981792] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.983926] (UMEH) [ 248.987823] ? process_timeout+0x40/0x40 [ 248.990128] 183*16kB [ 248.994363] ? find_held_lock+0x36/0x1c0 [ 248.996579] (UMEH) [ 249.000646] ? __run_timers+0x7da/0xc70 [ 249.003033] 70*32kB [ 249.007094] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.009312] (UMEH) [ 249.013281] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.015586] 13*64kB [ 249.020107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.020125] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 249.022348] (UMH) [ 249.026847] ? trace_hardirqs_on+0xbd/0x310 [ 249.029151] 3*128kB [ 249.033381] ? kasan_check_read+0x11/0x20 [ 249.037944] (UH) [ 249.040102] ? __run_timers+0x7da/0xc70 [ 249.044401] 3*256kB [ 249.046727] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.050849] (H) 0*512kB [ 249.052928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.056881] 0*1024kB [ 249.059207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.064637] 0*2048kB [ 249.067308] __run_timers+0x7e5/0xc70 [ 249.071513] 0*4096kB = 13800kB [ 249.073940] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 249.078157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 249.080561] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 249.084343] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 249.087527] ? graph_lock+0x170/0x170 [ 249.092871] 410 total pagecache pages [ 249.101722] ? enqueue_hrtimer+0x1a5/0x560 [ 249.106726] 0 pages in swap cache [ 249.115299] ? lock_release+0x970/0x970 [ 249.119109] Swap cache stats: add 0, delete 0, find 0/0 [ 249.122901] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 249.127121] Free swap = 0kB [ 249.130572] ? find_held_lock+0x36/0x1c0 [ 249.134525] Total swap = 0kB [ 249.139887] ? graph_lock+0x170/0x170 [ 249.145058] 1965979 pages RAM [ 249.148073] ? pvclock_read_flags+0x160/0x160 [ 249.152105] 0 pages HighMem/MovableOnly [ 249.152115] 343323 pages reserved [ 249.155135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.158911] 0 pages cma reserved [ 249.162017] ? check_preemption_disabled+0x48/0x200 [ 249.166569] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 249.170477] ? __lock_is_held+0xb5/0x140 [ 249.170496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.174002] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 249.179482] ? check_preemption_disabled+0x48/0x200 [ 249.182827] kworker/0:1 cpuset= [ 249.187842] run_timer_softirq+0x52/0xb0 [ 249.194308] / [ 249.198367] ? rcu_read_lock_sched_held+0x108/0x120 [ 249.203882] mems_allowed=0 [ 249.214190] __do_softirq+0x30b/0xad8 [ 249.239966] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 249.245081] ? pvclock_read_flags+0x160/0x160 [ 249.249582] ? lapic_next_event+0x5a/0x90 [ 249.253736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.259278] ? check_preemption_disabled+0x48/0x200 [ 249.264299] ? check_preemption_disabled+0x48/0x200 [ 249.269328] ? kvm_clock_read+0x18/0x30 [ 249.273304] ? kvm_sched_clock_read+0x9/0x20 [ 249.277725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.283265] ? check_preemption_disabled+0x48/0x200 [ 249.288298] irq_exit+0x17f/0x1c0 [ 249.291759] smp_apic_timer_interrupt+0x1cb/0x760 [ 249.296609] ? smp_reschedule_interrupt+0x109/0x650 [ 249.301633] ? smp_call_function_single_interrupt+0x650/0x650 [ 249.307521] ? interrupt_entry+0xb5/0xf0 [ 249.311593] ? trace_hardirqs_off_caller+0xbb/0x300 [ 249.316612] ? trace_hardirqs_off_caller+0xbb/0x300 [ 249.321639] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.326489] ? trace_hardirqs_off+0x300/0x300 [ 249.330988] ? trace_hardirqs_off+0x300/0x300 [ 249.335493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.341036] ? check_preemption_disabled+0x48/0x200 [ 249.346064] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.350923] apic_timer_interrupt+0xf/0x20 [ 249.355160] [ 249.357402] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 249.362336] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 249.381239] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 249.388959] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 249.396230] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 249.403502] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 249.410771] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 249.418045] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 249.425359] skb_clone+0x1bb/0x500 [ 249.428906] ? skb_split+0x11e0/0x11e0 [ 249.432810] ? preempt_notifier_register+0x200/0x200 [ 249.437915] ? __switch_to_asm+0x34/0x70 [ 249.441992] ? __switch_to_asm+0x34/0x70 [ 249.446057] ? __switch_to_asm+0x40/0x70 [ 249.450124] ? __switch_to_asm+0x34/0x70 [ 249.454187] ? __switch_to_asm+0x40/0x70 [ 249.458254] ? __switch_to_asm+0x40/0x70 [ 249.462317] ? __switch_to_asm+0x34/0x70 [ 249.466380] ? __switch_to_asm+0x34/0x70 [ 249.470446] ? __switch_to_asm+0x40/0x70 [ 249.474517] ? __switch_to_asm+0x34/0x70 [ 249.478598] bpf_clone_redirect+0xb9/0x490 [ 249.482849] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 249.487873] ? __sched_text_start+0x8/0x8 [ 249.492030] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.496803] ? find_held_lock+0x36/0x1c0 [ 249.500880] ? lock_acquire+0x1ed/0x520 [ 249.504859] ? bpf_test_run+0x32e/0x5a0 [ 249.508842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.514386] ? check_preemption_disabled+0x48/0x200 [ 249.519414] ? kasan_check_read+0x11/0x20 [ 249.523570] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.528855] ? rcu_bh_qs+0xc0/0xc0 [ 249.532401] ? preempt_schedule+0x4d/0x60 [ 249.536557] ? ___preempt_schedule+0x16/0x18 [ 249.540982] ? bpf_test_run+0x1c0/0x5a0 [ 249.544982] ? netlink_diag_dump+0x2a0/0x2a0 [ 249.549401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.554941] ? bpf_test_init.isra.9+0x70/0x100 [ 249.559542] ? bpf_prog_test_run_skb+0x634/0xb40 [ 249.564314] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.569161] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 249.574704] ? fput+0x130/0x1a0 [ 249.577996] ? __bpf_prog_get+0x9b/0x290 [ 249.582067] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.586915] ? bpf_prog_test_run+0x130/0x1a0 [ 249.591343] ? __x64_sys_bpf+0x3d8/0x510 [ 249.595407] ? bpf_prog_get+0x20/0x20 [ 249.599232] ? ksys_ioctl+0x81/0xd0 [ 249.602878] ? do_syscall_64+0x1b9/0x820 [ 249.606949] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 249.612326] ? syscall_return_slowpath+0x5e0/0x5e0 [ 249.617269] ? trace_hardirqs_off+0x300/0x300 [ 249.621769] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 249.626789] ? recalc_sigpending_tsk+0x180/0x180 [ 249.631551] ? kasan_check_write+0x14/0x20 [ 249.635796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.640654] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 249.646043] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 249.646138] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 249.652886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.652910] Workqueue: (null) (events) [ 249.652931] Call Trace: [ 249.659523] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 249.668774] [ 249.673606] syz-executor1 cpuset= [ 249.676188] dump_stack+0x1c4/0x2b4 [ 249.686649] syz1 [ 249.688796] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.692233] mems_allowed=0 [ 249.695867] warn_alloc.cold.118+0xb7/0x1bd [ 249.710227] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.715079] ? lock_downgrade+0x900/0x900 [ 249.719240] ? trace_hardirqs_off+0xb8/0x300 [ 249.723664] ? trace_hardirqs_off+0xb8/0x300 [ 249.728086] __alloc_pages_slowpath+0x2667/0x2d80 [ 249.732972] ? warn_alloc+0x120/0x120 [ 249.736785] ? warn_alloc+0x120/0x120 [ 249.740593] ? print_usage_bug+0xc0/0xc0 [ 249.744662] ? warn_alloc+0x120/0x120 [ 249.748472] ? print_usage_bug+0xc0/0xc0 [ 249.752551] ? __lock_acquire+0x7ec/0x4ec0 [ 249.756793] ? __lock_acquire+0x7ec/0x4ec0 [ 249.761034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.766576] ? should_fail+0x22d/0xd01 [ 249.770472] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.775579] ? __lock_acquire+0x7ec/0x4ec0 [ 249.779823] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.784933] ? __lock_acquire+0x7ec/0x4ec0 [ 249.789175] ? should_fail+0x22d/0xd01 [ 249.793085] ? mark_held_locks+0x130/0x130 [ 249.797327] ? mark_held_locks+0x130/0x130 [ 249.801570] ? graph_lock+0x170/0x170 [ 249.805375] ? graph_lock+0x170/0x170 [ 249.809186] ? graph_lock+0x170/0x170 [ 249.812994] ? print_usage_bug+0xc0/0xc0 [ 249.817065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.822612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.828157] ? check_preemption_disabled+0x48/0x200 [ 249.833174] ? check_preemption_disabled+0x48/0x200 [ 249.838210] ? __lock_is_held+0xb5/0x140 [ 249.842281] __alloc_pages_nodemask+0xa80/0xde0 [ 249.846957] ? graph_lock+0x170/0x170 [ 249.850783] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 249.855801] ? graph_lock+0x170/0x170 [ 249.859616] ? find_held_lock+0x36/0x1c0 [ 249.863695] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.868372] ? lock_downgrade+0x900/0x900 [ 249.872530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.878076] cache_grow_begin+0x91/0x8c0 [ 249.882143] ? do_raw_spin_unlock+0xa7/0x2f0 [ 249.886567] fallback_alloc+0x203/0x2e0 [ 249.890551] ____cache_alloc_node+0x1c7/0x1e0 [ 249.895062] kmem_cache_alloc_node+0xe3/0x730 [ 249.899567] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.903818] __alloc_skb+0x119/0x770 [ 249.907541] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.912828] ? skb_scrub_packet+0x490/0x490 [ 249.917151] ? lock_downgrade+0x900/0x900 [ 249.921311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.926854] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.932312] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.937771] ? addrconf_rs_timer+0x6f0/0x6f0 [ 249.942199] ndisc_alloc_skb+0x144/0x340 [ 249.946270] ndisc_send_rs+0x331/0x6e0 [ 249.950170] addrconf_rs_timer+0x3c0/0x6f0 [ 249.954414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.958672] call_timer_fn+0x272/0x920 [ 249.962566] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.966810] ? process_timeout+0x40/0x40 [ 249.970874] ? find_held_lock+0x36/0x1c0 [ 249.974949] ? __run_timers+0x7da/0xc70 [ 249.978939] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.983447] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.987950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.992196] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 249.996784] ? trace_hardirqs_on+0xbd/0x310 [ 250.001107] ? kasan_check_read+0x11/0x20 [ 250.005263] ? __run_timers+0x7da/0xc70 [ 250.009242] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.014703] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.018950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.023199] __run_timers+0x7e5/0xc70 [ 250.027525] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.032904] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.037929] ? graph_lock+0x170/0x170 [ 250.041746] ? enqueue_hrtimer+0x1a5/0x560 [ 250.045995] ? lock_release+0x970/0x970 [ 250.050016] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 250.055244] ? find_held_lock+0x36/0x1c0 [ 250.059320] ? pvclock_read_flags+0x160/0x160 [ 250.063823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.069370] ? check_preemption_disabled+0x48/0x200 [ 250.074405] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 250.079948] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.085245] ? rcu_pm_notify+0xc0/0xc0 [ 250.089142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.094683] ? check_preemption_disabled+0x48/0x200 [ 250.099717] run_timer_softirq+0x52/0xb0 [ 250.103809] ? rcu_read_lock_sched_held+0x108/0x120 [ 250.108839] __do_softirq+0x30b/0xad8 [ 250.112660] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 250.117773] ? pvclock_read_flags+0x160/0x160 [ 250.122274] ? lapic_next_event+0x5a/0x90 [ 250.126427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.131980] ? check_preemption_disabled+0x48/0x200 [ 250.137216] ? check_preemption_disabled+0x48/0x200 [ 250.142248] ? kvm_clock_read+0x18/0x30 [ 250.146228] ? kvm_sched_clock_read+0x9/0x20 [ 250.150644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.156184] ? check_preemption_disabled+0x48/0x200 [ 250.161222] irq_exit+0x17f/0x1c0 [ 250.164683] smp_apic_timer_interrupt+0x1cb/0x760 [ 250.169533] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.175425] ? interrupt_entry+0xb5/0xf0 [ 250.179495] ? trace_hardirqs_off_caller+0xbb/0x300 [ 250.184514] ? trace_hardirqs_off_caller+0xbb/0x300 [ 250.189537] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.194383] ? trace_hardirqs_off+0x300/0x300 [ 250.198883] ? trace_hardirqs_off+0x300/0x300 [ 250.203392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.208931] ? check_preemption_disabled+0x48/0x200 [ 250.213954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.219512] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.224369] apic_timer_interrupt+0xf/0x20 [ 250.228603] [ 250.230848] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 250.235953] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 250.254866] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 250.262581] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 250.269850] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 250.277122] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 250.284389] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 250.291657] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 250.298958] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.303467] finish_task_switch+0x1f5/0x900 [ 250.307795] ? finish_task_switch+0x1b5/0x900 [ 250.312296] ? __switch_to_asm+0x34/0x70 [ 250.316368] ? preempt_notifier_register+0x200/0x200 [ 250.321479] ? __switch_to_asm+0x34/0x70 [ 250.325543] ? __switch_to_asm+0x34/0x70 [ 250.329606] ? __switch_to_asm+0x40/0x70 [ 250.333670] ? __switch_to_asm+0x34/0x70 [ 250.337737] ? __switch_to_asm+0x40/0x70 [ 250.341803] ? __switch_to_asm+0x34/0x70 [ 250.345888] ? __switch_to_asm+0x40/0x70 [ 250.349971] ? __switch_to_asm+0x34/0x70 [ 250.354043] ? __switch_to_asm+0x40/0x70 [ 250.358106] ? __switch_to_asm+0x34/0x70 [ 250.362171] ? __switch_to_asm+0x40/0x70 [ 250.366234] ? __switch_to_asm+0x34/0x70 [ 250.370296] ? __switch_to_asm+0x40/0x70 [ 250.374367] ? __switch_to_asm+0x34/0x70 [ 250.378427] ? __switch_to_asm+0x40/0x70 [ 250.382499] __schedule+0x874/0x1ed0 [ 250.386227] ? lockdep_hardirqs_on+0x421/0x5c0 [ 250.390823] ? __sched_text_start+0x8/0x8 [ 250.394987] ? graph_lock+0x170/0x170 [ 250.398796] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.403564] ? lockdep_hardirqs_on+0x421/0x5c0 [ 250.408155] ? retint_kernel+0x2d/0x2d [ 250.412056] ? find_held_lock+0x36/0x1c0 [ 250.416133] schedule+0xfe/0x460 [ 250.419509] ? __schedule+0x1ed0/0x1ed0 [ 250.423520] ? lockdep_hardirqs_on+0x421/0x5c0 [ 250.428108] ? trace_hardirqs_on+0xbd/0x310 [ 250.432431] ? kasan_check_read+0x11/0x20 [ 250.436589] ? worker_thread+0x3ca/0x1390 [ 250.440741] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.446196] ? kasan_check_write+0x14/0x20 [ 250.450433] ? do_raw_spin_lock+0xc1/0x200 [ 250.454684] worker_thread+0x3cf/0x1390 [ 250.458663] ? __switch_to_asm+0x34/0x70 [ 250.462746] ? process_one_work+0x1b90/0x1b90 [ 250.467253] ? graph_lock+0x170/0x170 [ 250.471066] ? __sched_text_start+0x8/0x8 [ 250.475235] ? find_held_lock+0x36/0x1c0 [ 250.479313] ? __kthread_parkme+0xce/0x1a0 [ 250.483558] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 250.488670] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 250.493781] ? lockdep_hardirqs_on+0x421/0x5c0 [ 250.498369] ? trace_hardirqs_on+0xbd/0x310 [ 250.502695] ? kasan_check_read+0x11/0x20 [ 250.506847] ? __kthread_parkme+0xce/0x1a0 [ 250.511090] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.516546] ? kasan_check_write+0x14/0x20 [ 250.520786] ? do_raw_spin_lock+0xc1/0x200 [ 250.525033] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 250.530144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.535691] ? __kthread_parkme+0xfb/0x1a0 [ 250.539936] kthread+0x35a/0x420 [ 250.543315] ? process_one_work+0x1b90/0x1b90 [ 250.547816] ? kthread_bind+0x40/0x40 [ 250.551621] ret_from_fork+0x3a/0x50 [ 250.555355] warn_alloc_show_mem: 1 callbacks suppressed [ 250.555368] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 250.555371] Mem-Info: [ 250.555403] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 250.555403] active_file:13 inactive_file:18 isolated_file:0 [ 250.555403] unevictable:0 dirty:0 writeback:0 unstable:0 [ 250.555403] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 250.555403] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 250.555403] free:13747 free_pcp:307 free_cma:0 [ 250.560741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.560750] Call Trace: [ 250.567955] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 250.570365] [ 250.603234] Node 0 [ 250.612588] dump_stack+0x1c4/0x2b4 [ 250.615177] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 250.642823] ? dump_stack_print_info.cold.2+0x52/0x52 [ 250.644959] lowmem_reserve[]: [ 250.647208] warn_alloc.cold.118+0xb7/0x1bd [ 250.650810] 0 [ 250.676315] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 250.681482] 2815 [ 250.684589] ? lock_downgrade+0x900/0x900 [ 250.688885] 6318 6318 [ 250.690701] ? trace_hardirqs_off+0xb8/0x300 [ 250.697578] ? trace_hardirqs_off+0xb8/0x300 [ 250.701711] Node 0 [ 250.704212] __alloc_pages_slowpath+0x2667/0x2d80 [ 250.708619] DMA32 free:25280kB 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 [ 250.713026] ? warn_alloc+0x120/0x120 [ 250.715210] lowmem_reserve[]: 0 [ 250.720068] ? trace_hardirqs_on+0x310/0x310 [ 250.747036] 0 [ 250.750847] ? warn_alloc+0x120/0x120 [ 250.754101] 3503 [ 250.758512] ? print_usage_bug+0xc0/0xc0 [ 250.760297] 3503 [ 250.764092] ? warn_alloc+0x120/0x120 [ 250.770197] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 250.772239] Node 0 [ 250.776042] ? print_usage_bug+0xc0/0xc0 [ 250.781062] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 250.783274] ? __lock_acquire+0x7ec/0x4ec0 [ 250.787304] lowmem_reserve[]: 0 [ 250.815680] ? __lock_acquire+0x7ec/0x4ec0 [ 250.819893] 0 [ 250.823181] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.827395] 0 [ 250.829206] ? should_fail+0x22d/0xd01 [ 250.834710] 0 [ 250.836522] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.840390] Node 0 [ 250.842201] ? __lock_acquire+0x7ec/0x4ec0 [ 250.847280] DMA: [ 250.849518] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.853733] 1*4kB [ 250.855798] ? __lock_acquire+0x7ec/0x4ec0 [ 250.860872] (U) 0*8kB [ 250.863036] ? should_fail+0x22d/0xd01 [ 250.867247] 0*16kB [ 250.869744] ? print_usage_bug+0xc0/0xc0 [ 250.873610] 1*32kB [ 250.875862] ? mark_held_locks+0x130/0x130 [ 250.879895] (U) [ 250.882145] ? mark_held_locks+0x130/0x130 [ 250.886354] 2*64kB (U) [ 250.888349] ? graph_lock+0x170/0x170 [ 250.892552] 1*128kB (U) [ 250.895146] ? print_usage_bug+0xc0/0xc0 [ 250.898919] 1*256kB (U) [ 250.901610] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.905652] 0*512kB [ 250.908321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.913049] 1*1024kB (U) [ 250.915379] ? check_preemption_disabled+0x48/0x200 [ 250.920894] 1*2048kB [ 250.923648] ? check_preemption_disabled+0x48/0x200 [ 250.928641] (M) [ 250.931060] ? __lock_is_held+0xb5/0x140 [ 250.936049] 3*4096kB [ 250.938030] __alloc_pages_nodemask+0xa80/0xde0 [ 250.942063] (M) [ 250.944480] ? graph_lock+0x170/0x170 [ 250.949114] = 15908kB [ 250.949124] Node 0 [ 250.951105] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 250.954882] DMA32: [ 250.957289] ? graph_lock+0x170/0x170 [ 250.959508] 4*4kB [ 250.964532] ? find_held_lock+0x36/0x1c0 [ 250.966744] (UM) [ 250.970548] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.972672] 2*8kB [ 250.976729] ? lock_downgrade+0x900/0x900 [ 250.978770] (M) [ 250.983440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.985559] 2*16kB (UM) [ 250.989718] cache_grow_begin+0x91/0x8c0 [ 250.991668] 2*32kB (UM) [ 250.997216] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.999877] 3*64kB [ 251.003964] fallback_alloc+0x203/0x2e0 [ 251.006610] (UM) [ 251.011019] ____cache_alloc_node+0x1c7/0x1e0 [ 251.013230] 3*128kB [ 251.017204] kmem_cache_alloc_node+0xe3/0x730 [ 251.019242] (M) [ 251.023824] ? ipv6_get_ifaddr+0x42e/0x620 [ 251.026128] 2*256kB [ 251.030623] __alloc_skb+0x119/0x770 [ 251.032575] (M) [ 251.036810] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.039114] 3*512kB [ 251.042824] ? skb_scrub_packet+0x490/0x490 [ 251.044783] (M) [ 251.050060] ? lock_downgrade+0x900/0x900 [ 251.052368] 4*1024kB (UM) [ 251.056714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.058668] 3*2048kB [ 251.062817] ? refcount_sub_and_test_checked+0x203/0x310 [ 251.065639] (UM) [ 251.071188] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 251.073577] 3*4096kB [ 251.079036] ? addrconf_rs_timer+0x6f0/0x6f0 [ 251.081088] (M) [ 251.086552] ndisc_alloc_skb+0x144/0x340 [ 251.088930] = 25280kB [ 251.088939] Node 0 [ 251.093361] ndisc_send_rs+0x331/0x6e0 [ 251.095305] Normal: 876*4kB [ 251.099382] addrconf_rs_timer+0x3c0/0x6f0 [ 251.101770] (UME) [ 251.104009] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.107867] 393*8kB [ 251.110922] call_timer_fn+0x272/0x920 [ 251.115124] (UMEH) [ 251.117272] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.121483] 183*16kB [ 251.123825] ? process_timeout+0x40/0x40 [ 251.127699] (UMEH) [ 251.129933] ? find_held_lock+0x36/0x1c0 [ 251.134139] 70*32kB (UMEH) [ 251.136561] ? __run_timers+0x7da/0xc70 [ 251.140590] 13*64kB (UMH) [ 251.142833] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.146884] 3*128kB [ 251.149808] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.153758] (UH) [ 251.156606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.161081] 3*256kB [ 251.163405] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 251.167877] (H) [ 251.169937] ? trace_hardirqs_on+0xbd/0x310 [ 251.174147] 0*512kB 0*1024kB [ 251.176483] ? kasan_check_read+0x11/0x20 [ 251.181041] 0*2048kB [ 251.183018] ? __run_timers+0x7da/0xc70 [ 251.187317] 0*4096kB [ 251.190424] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.194548] = 13800kB [ 251.194574] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 251.196990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.200974] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 251.203374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.208812] 410 total pagecache pages [ 251.211234] __run_timers+0x7e5/0xc70 [ 251.220050] 0 pages in swap cache [ 251.224293] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 251.232859] Swap cache stats: add 0, delete 0, find 0/0 [ 251.232869] Free swap = 0kB [ 251.237108] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 251.240873] Total swap = 0kB [ 251.240882] 1965979 pages RAM [ 251.244690] ? graph_lock+0x170/0x170 [ 251.248122] 0 pages HighMem/MovableOnly [ 251.253489] ? enqueue_hrtimer+0x1a5/0x560 [ 251.258824] 343323 pages reserved [ 251.258833] 0 pages cma reserved [ 251.261848] ? lock_release+0x970/0x970 [ 251.266902] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 251.269855] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 251.273000] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 251.276741] ? find_held_lock+0x36/0x1c0 [ 251.280702] kworker/0:1 cpuset= [ 251.284942] ? graph_lock+0x170/0x170 [ 251.288370] / [ 251.291732] ? pvclock_read_flags+0x160/0x160 [ 251.295687] mems_allowed=0 [ 251.302172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.343388] ? check_preemption_disabled+0x48/0x200 [ 251.348423] ? __lock_is_held+0xb5/0x140 [ 251.352510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.358049] ? check_preemption_disabled+0x48/0x200 [ 251.363093] run_timer_softirq+0x52/0xb0 [ 251.367156] ? rcu_read_lock_sched_held+0x108/0x120 [ 251.372180] __do_softirq+0x30b/0xad8 [ 251.376001] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 251.381114] ? pvclock_read_flags+0x160/0x160 [ 251.385612] ? lapic_next_event+0x5a/0x90 [ 251.389767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.395311] ? check_preemption_disabled+0x48/0x200 [ 251.400344] ? check_preemption_disabled+0x48/0x200 [ 251.405375] ? kvm_clock_read+0x18/0x30 [ 251.409364] ? kvm_sched_clock_read+0x9/0x20 [ 251.413794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.419352] ? check_preemption_disabled+0x48/0x200 [ 251.424392] irq_exit+0x17f/0x1c0 [ 251.427855] smp_apic_timer_interrupt+0x1cb/0x760 [ 251.432713] ? smp_reschedule_interrupt+0x109/0x650 [ 251.437737] ? smp_call_function_single_interrupt+0x650/0x650 [ 251.443625] ? interrupt_entry+0xb5/0xf0 [ 251.447692] ? trace_hardirqs_off_caller+0xbb/0x300 [ 251.452722] ? trace_hardirqs_off_caller+0xbb/0x300 [ 251.457775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.462624] ? trace_hardirqs_off+0x300/0x300 [ 251.467123] ? trace_hardirqs_off+0x300/0x300 [ 251.471627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.477166] ? check_preemption_disabled+0x48/0x200 [ 251.482197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.487055] apic_timer_interrupt+0xf/0x20 [ 251.491286] [ 251.493541] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 251.498478] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 251.517403] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 251.525190] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 251.532475] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 251.539753] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 251.547026] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 251.554295] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 251.561609] skb_clone+0x1bb/0x500 [ 251.565153] ? skb_split+0x11e0/0x11e0 [ 251.569050] ? preempt_notifier_register+0x200/0x200 [ 251.574153] ? __switch_to_asm+0x34/0x70 [ 251.578214] ? __switch_to_asm+0x34/0x70 [ 251.582277] ? __switch_to_asm+0x40/0x70 [ 251.586338] ? __switch_to_asm+0x34/0x70 [ 251.590413] ? __switch_to_asm+0x40/0x70 [ 251.594485] ? __switch_to_asm+0x40/0x70 [ 251.598549] ? __switch_to_asm+0x34/0x70 [ 251.602612] ? __switch_to_asm+0x34/0x70 [ 251.606676] ? __switch_to_asm+0x40/0x70 [ 251.610753] ? __switch_to_asm+0x34/0x70 [ 251.614827] bpf_clone_redirect+0xb9/0x490 [ 251.619076] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 251.624103] ? __sched_text_start+0x8/0x8 [ 251.628257] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 251.633030] ? find_held_lock+0x36/0x1c0 [ 251.637102] ? lock_acquire+0x1ed/0x520 [ 251.641081] ? bpf_test_run+0x32e/0x5a0 [ 251.645063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.650600] ? check_preemption_disabled+0x48/0x200 [ 251.655621] ? kasan_check_read+0x11/0x20 [ 251.659774] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.665056] ? rcu_bh_qs+0xc0/0xc0 [ 251.668600] ? preempt_schedule+0x4d/0x60 [ 251.672754] ? ___preempt_schedule+0x16/0x18 [ 251.677177] ? bpf_test_run+0x1c0/0x5a0 [ 251.681162] ? netlink_diag_dump+0x2a0/0x2a0 [ 251.685576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.691113] ? bpf_test_init.isra.9+0x70/0x100 [ 251.695703] ? bpf_prog_test_run_skb+0x634/0xb40 [ 251.700484] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.705355] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.710890] ? fput+0x130/0x1a0 [ 251.714174] ? __bpf_prog_get+0x9b/0x290 [ 251.718242] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.723088] ? bpf_prog_test_run+0x130/0x1a0 [ 251.727506] ? __x64_sys_bpf+0x3d8/0x510 [ 251.731573] ? bpf_prog_get+0x20/0x20 [ 251.735400] ? ksys_ioctl+0x81/0xd0 [ 251.739039] ? do_syscall_64+0x1b9/0x820 [ 251.743103] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 251.748492] ? syscall_return_slowpath+0x5e0/0x5e0 [ 251.753437] ? trace_hardirqs_off+0x300/0x300 [ 251.757943] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 251.763000] ? recalc_sigpending_tsk+0x180/0x180 [ 251.767770] ? kasan_check_write+0x14/0x20 [ 251.772016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.776880] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 251.782262] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 251.782334] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 251.789109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.789133] Workqueue: (null) (events) [ 251.789153] Call Trace: [ 251.795689] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 251.804992] [ 251.809819] syz-executor1 cpuset= [ 251.812410] dump_stack+0x1c4/0x2b4 [ 251.822873] syz1 [ 251.825032] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.828464] mems_allowed=0 [ 251.832096] warn_alloc.cold.118+0xb7/0x1bd [ 251.846454] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.851315] ? lock_downgrade+0x900/0x900 [ 251.855487] ? trace_hardirqs_off+0xb8/0x300 [ 251.859906] ? trace_hardirqs_off+0xb8/0x300 [ 251.864326] __alloc_pages_slowpath+0x2667/0x2d80 [ 251.869205] ? warn_alloc+0x120/0x120 [ 251.873012] ? warn_alloc+0x120/0x120 [ 251.876817] ? print_usage_bug+0xc0/0xc0 [ 251.880878] ? warn_alloc+0x120/0x120 [ 251.884679] ? print_usage_bug+0xc0/0xc0 [ 251.888740] ? __lock_acquire+0x7ec/0x4ec0 [ 251.892980] ? __lock_acquire+0x7ec/0x4ec0 [ 251.897237] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.902774] ? should_fail+0x22d/0xd01 [ 251.906666] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.911768] ? __lock_acquire+0x7ec/0x4ec0 [ 251.916021] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.921128] ? __lock_acquire+0x7ec/0x4ec0 [ 251.925360] ? should_fail+0x22d/0xd01 [ 251.929260] ? mark_held_locks+0x130/0x130 [ 251.933502] ? mark_held_locks+0x130/0x130 [ 251.937738] ? graph_lock+0x170/0x170 [ 251.941554] ? graph_lock+0x170/0x170 [ 251.945360] ? graph_lock+0x170/0x170 [ 251.949160] ? print_usage_bug+0xc0/0xc0 [ 251.953225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.958771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.964308] ? check_preemption_disabled+0x48/0x200 [ 251.969322] ? check_preemption_disabled+0x48/0x200 [ 251.974353] ? __lock_is_held+0xb5/0x140 [ 251.978426] __alloc_pages_nodemask+0xa80/0xde0 [ 251.983107] ? graph_lock+0x170/0x170 [ 251.986923] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 251.991945] ? graph_lock+0x170/0x170 [ 251.995775] ? find_held_lock+0x36/0x1c0 [ 251.999852] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.004523] ? lock_downgrade+0x900/0x900 [ 252.008683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.014229] cache_grow_begin+0x91/0x8c0 [ 252.018297] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.022715] fallback_alloc+0x203/0x2e0 [ 252.027182] ____cache_alloc_node+0x1c7/0x1e0 [ 252.031687] kmem_cache_alloc_node+0xe3/0x730 [ 252.036188] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.040437] __alloc_skb+0x119/0x770 [ 252.044158] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.049440] ? skb_scrub_packet+0x490/0x490 [ 252.053765] ? lock_downgrade+0x900/0x900 [ 252.057926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.063566] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.069024] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.074484] ? addrconf_rs_timer+0x6f0/0x6f0 [ 252.078914] ndisc_alloc_skb+0x144/0x340 [ 252.082994] ndisc_send_rs+0x331/0x6e0 [ 252.086890] addrconf_rs_timer+0x3c0/0x6f0 [ 252.091137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.095405] call_timer_fn+0x272/0x920 [ 252.099297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.103547] ? process_timeout+0x40/0x40 [ 252.107609] ? find_held_lock+0x36/0x1c0 [ 252.111685] ? __run_timers+0x7da/0xc70 [ 252.115667] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.120169] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.124671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.128910] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 252.133665] ? trace_hardirqs_on+0xbd/0x310 [ 252.137989] ? kasan_check_read+0x11/0x20 [ 252.142145] ? __run_timers+0x7da/0xc70 [ 252.146128] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.151589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.155840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.160077] __run_timers+0x7e5/0xc70 [ 252.163894] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 252.169263] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 252.174283] ? graph_lock+0x170/0x170 [ 252.178093] ? enqueue_hrtimer+0x1a5/0x560 [ 252.182333] ? lock_release+0x970/0x970 [ 252.186307] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 252.191511] ? find_held_lock+0x36/0x1c0 [ 252.195587] ? pvclock_read_flags+0x160/0x160 [ 252.200088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.205628] ? check_preemption_disabled+0x48/0x200 [ 252.210654] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 252.216196] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.221479] ? rcu_pm_notify+0xc0/0xc0 [ 252.225371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.230911] ? check_preemption_disabled+0x48/0x200 [ 252.235939] run_timer_softirq+0x52/0xb0 [ 252.240015] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.245039] __do_softirq+0x30b/0xad8 [ 252.248858] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 252.253984] ? pvclock_read_flags+0x160/0x160 [ 252.258489] ? lapic_next_event+0x5a/0x90 [ 252.262640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.268176] ? check_preemption_disabled+0x48/0x200 [ 252.273195] ? check_preemption_disabled+0x48/0x200 [ 252.278220] ? kvm_clock_read+0x18/0x30 [ 252.282197] ? kvm_sched_clock_read+0x9/0x20 [ 252.286613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.292153] ? check_preemption_disabled+0x48/0x200 [ 252.297182] irq_exit+0x17f/0x1c0 [ 252.300641] smp_apic_timer_interrupt+0x1cb/0x760 [ 252.305490] ? smp_call_function_single_interrupt+0x650/0x650 [ 252.311380] ? interrupt_entry+0xb5/0xf0 [ 252.315444] ? trace_hardirqs_off_caller+0xbb/0x300 [ 252.320466] ? trace_hardirqs_off_caller+0xbb/0x300 [ 252.325489] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.330333] ? trace_hardirqs_off+0x300/0x300 [ 252.334829] ? trace_hardirqs_off+0x300/0x300 [ 252.339329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.344868] ? check_preemption_disabled+0x48/0x200 [ 252.349885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.355432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.360286] apic_timer_interrupt+0xf/0x20 [ 252.364519] [ 252.366760] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 252.371870] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 252.390776] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 252.398495] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 252.405761] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 252.413033] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 252.420304] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 252.427575] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 252.434878] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.439380] finish_task_switch+0x1f5/0x900 [ 252.443706] ? finish_task_switch+0x1b5/0x900 [ 252.448202] ? __switch_to_asm+0x34/0x70 [ 252.452271] ? preempt_notifier_register+0x200/0x200 [ 252.457376] ? __switch_to_asm+0x34/0x70 [ 252.461441] ? __switch_to_asm+0x34/0x70 [ 252.465505] ? __switch_to_asm+0x40/0x70 [ 252.469568] ? __switch_to_asm+0x34/0x70 [ 252.473631] ? __switch_to_asm+0x40/0x70 [ 252.477689] ? __switch_to_asm+0x34/0x70 [ 252.481761] ? __switch_to_asm+0x40/0x70 [ 252.485822] ? __switch_to_asm+0x34/0x70 [ 252.489881] ? __switch_to_asm+0x40/0x70 [ 252.493940] ? __switch_to_asm+0x34/0x70 [ 252.498010] ? __switch_to_asm+0x40/0x70 [ 252.502072] ? __switch_to_asm+0x34/0x70 [ 252.506132] ? __switch_to_asm+0x40/0x70 [ 252.510192] ? __switch_to_asm+0x34/0x70 [ 252.514251] ? __switch_to_asm+0x40/0x70 [ 252.518327] __schedule+0x874/0x1ed0 [ 252.522048] ? lockdep_hardirqs_on+0x421/0x5c0 [ 252.526640] ? __sched_text_start+0x8/0x8 [ 252.530795] ? graph_lock+0x170/0x170 [ 252.534602] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 252.539367] ? lockdep_hardirqs_on+0x421/0x5c0 [ 252.543953] ? retint_kernel+0x2d/0x2d [ 252.547853] ? find_held_lock+0x36/0x1c0 [ 252.551931] schedule+0xfe/0x460 [ 252.555314] ? __schedule+0x1ed0/0x1ed0 [ 252.559295] ? lockdep_hardirqs_on+0x421/0x5c0 [ 252.563879] ? trace_hardirqs_on+0xbd/0x310 [ 252.568199] ? kasan_check_read+0x11/0x20 [ 252.572347] ? worker_thread+0x3ca/0x1390 [ 252.576497] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.581953] ? kasan_check_write+0x14/0x20 [ 252.586197] ? do_raw_spin_lock+0xc1/0x200 [ 252.590437] worker_thread+0x3cf/0x1390 [ 252.594415] ? __switch_to_asm+0x34/0x70 [ 252.598501] ? process_one_work+0x1b90/0x1b90 [ 252.603007] ? graph_lock+0x170/0x170 [ 252.606816] ? __sched_text_start+0x8/0x8 [ 252.610979] ? find_held_lock+0x36/0x1c0 [ 252.615053] ? __kthread_parkme+0xce/0x1a0 [ 252.619292] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 252.624400] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 252.629533] ? lockdep_hardirqs_on+0x421/0x5c0 [ 252.634129] ? trace_hardirqs_on+0xbd/0x310 [ 252.638448] ? kasan_check_read+0x11/0x20 [ 252.642596] ? __kthread_parkme+0xce/0x1a0 [ 252.646833] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.652284] ? kasan_check_write+0x14/0x20 [ 252.656519] ? do_raw_spin_lock+0xc1/0x200 [ 252.660759] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.665866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.671407] ? __kthread_parkme+0xfb/0x1a0 [ 252.675661] kthread+0x35a/0x420 [ 252.679034] ? process_one_work+0x1b90/0x1b90 [ 252.683533] ? kthread_bind+0x40/0x40 [ 252.687341] ret_from_fork+0x3a/0x50 [ 252.691075] warn_alloc_show_mem: 1 callbacks suppressed [ 252.691087] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 252.691089] Mem-Info: [ 252.691119] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 252.691119] active_file:13 inactive_file:18 isolated_file:0 [ 252.691119] unevictable:0 dirty:0 writeback:0 unstable:0 [ 252.691119] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 252.691119] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 252.691119] free:13747 free_pcp:307 free_cma:0 [ 252.696461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.696473] Call Trace: [ 252.703669] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 252.706068] [ 252.738933] Node 0 [ 252.748308] dump_stack+0x1c4/0x2b4 [ 252.750898] 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 [ 252.778547] ? dump_stack_print_info.cold.2+0x52/0x52 [ 252.780684] lowmem_reserve[]: [ 252.782941] warn_alloc.cold.118+0xb7/0x1bd [ 252.786535] 0 [ 252.812036] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 252.817200] 2815 [ 252.820313] ? lock_downgrade+0x900/0x900 [ 252.824604] 6318 6318 [ 252.826420] ? trace_hardirqs_off+0xb8/0x300 [ 252.831235] Node 0 [ 252.833308] ? trace_hardirqs_off+0xb8/0x300 [ 252.837453] DMA32 free:25280kB 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 [ 252.839925] __alloc_pages_slowpath+0x2667/0x2d80 [ 252.844301] lowmem_reserve[]: 0 [ 252.846565] ? warn_alloc+0x120/0x120 [ 252.850920] 0 3503 [ 252.877914] ? warn_alloc+0x120/0x120 [ 252.882727] 3503 [ 252.886012] ? print_usage_bug+0xc0/0xc0 [ 252.889791] Node 0 [ 252.892034] ? warn_alloc+0x120/0x120 [ 252.895843] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 252.897881] ? print_usage_bug+0xc0/0xc0 [ 252.901913] lowmem_reserve[]: 0 [ 252.904156] ? __lock_acquire+0x7ec/0x4ec0 [ 252.907938] 0 [ 252.936310] ? __lock_acquire+0x7ec/0x4ec0 [ 252.940344] 0 0 [ 252.943635] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.949651] ? should_fail+0x22d/0xd01 [ 252.953861] Node 0 [ 252.955840] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.961352] DMA: [ 252.965236] ? __lock_acquire+0x7ec/0x4ec0 [ 252.967452] 1*4kB [ 252.972579] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.974630] (U) [ 252.978864] ? __lock_acquire+0x7ec/0x4ec0 [ 252.980994] 0*8kB [ 252.986095] ? should_fail+0x22d/0xd01 [ 252.988049] 0*16kB [ 252.992286] ? mark_held_locks+0x130/0x130 [ 252.994409] 1*32kB [ 252.998290] ? mark_held_locks+0x130/0x130 [ 253.000526] (U) [ 253.004756] ? graph_lock+0x170/0x170 [ 253.006974] 2*64kB [ 253.011198] ? graph_lock+0x170/0x170 [ 253.013154] (U) [ 253.016948] ? graph_lock+0x170/0x170 [ 253.019162] 1*128kB (U) [ 253.022971] ? print_usage_bug+0xc0/0xc0 [ 253.024925] 1*256kB [ 253.028741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.031388] (U) [ 253.035445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.037760] 0*512kB [ 253.043293] ? check_preemption_disabled+0x48/0x200 [ 253.045249] 1*1024kB [ 253.050780] ? check_preemption_disabled+0x48/0x200 [ 253.053082] (U) 1*2048kB [ 253.058118] ? __lock_is_held+0xb5/0x140 [ 253.060501] (M) [ 253.065517] __alloc_pages_nodemask+0xa80/0xde0 [ 253.068245] 3*4096kB (M) [ 253.072311] ? graph_lock+0x170/0x170 [ 253.074267] = 15908kB [ 253.078934] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 253.081681] Node 0 [ 253.085479] ? graph_lock+0x170/0x170 [ 253.087861] DMA32: [ 253.092908] ? find_held_lock+0x36/0x1c0 [ 253.095134] 4*4kB [ 253.098934] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.101143] (UM) [ 253.105199] ? lock_downgrade+0x900/0x900 [ 253.107326] 2*8kB [ 253.111994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.114035] (M) [ 253.118181] cache_grow_begin+0x91/0x8c0 [ 253.120310] 2*16kB [ 253.125842] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.127796] (UM) [ 253.131870] fallback_alloc+0x203/0x2e0 [ 253.134085] 2*32kB [ 253.138493] ____cache_alloc_node+0x1c7/0x1e0 [ 253.140517] (UM) 3*64kB [ 253.144502] kmem_cache_alloc_node+0xe3/0x730 [ 253.146708] (UM) 3*128kB [ 253.151211] ? ipv6_get_ifaddr+0x42e/0x620 [ 253.153879] (M) [ 253.158375] __alloc_skb+0x119/0x770 [ 253.161112] 2*256kB (M) [ 253.165357] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.167309] 3*512kB [ 253.171021] ? skb_scrub_packet+0x490/0x490 [ 253.173670] (M) [ 253.178947] ? lock_downgrade+0x900/0x900 [ 253.181252] 4*1024kB [ 253.185571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.187518] (UM) [ 253.191671] ? refcount_sub_and_test_checked+0x203/0x310 [ 253.194070] 3*2048kB [ 253.199600] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 253.201644] (UM) [ 253.207092] ? addrconf_rs_timer+0x6f0/0x6f0 [ 253.209483] 3*4096kB [ 253.214937] ndisc_alloc_skb+0x144/0x340 [ 253.216972] (M) [ 253.221377] ndisc_send_rs+0x331/0x6e0 [ 253.223760] = 25280kB [ 253.223769] Node 0 [ 253.227832] addrconf_rs_timer+0x3c0/0x6f0 [ 253.229780] Normal: 876*4kB [ 253.233686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.236072] (UME) [ 253.238318] call_timer_fn+0x272/0x920 [ 253.242520] 393*8kB [ 253.245534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.249742] (UMEH) [ 253.251887] ? process_timeout+0x40/0x40 [ 253.255747] 183*16kB (UMEH) [ 253.258118] ? find_held_lock+0x36/0x1c0 [ 253.262330] 70*32kB [ 253.264569] ? __run_timers+0x7da/0xc70 [ 253.268601] (UMEH) [ 253.271617] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.275656] 13*64kB [ 253.277986] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.281937] (UMH) [ 253.284179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.288641] 3*128kB (UH) [ 253.290993] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 253.295472] 3*256kB (H) [ 253.297628] ? trace_hardirqs_on+0xbd/0x310 [ 253.301865] 0*512kB [ 253.304618] ? kasan_check_read+0x11/0x20 [ 253.309177] 0*1024kB [ 253.311845] ? __run_timers+0x7da/0xc70 [ 253.316142] 0*2048kB [ 253.318481] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.322600] 0*4096kB [ 253.325009] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.328974] = 13800kB [ 253.331380] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.336810] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 253.339210] __run_timers+0x7e5/0xc70 [ 253.343437] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 253.345844] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 253.350053] 410 total pagecache pages [ 253.358884] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 253.362663] 0 pages in swap cache [ 253.371228] ? graph_lock+0x170/0x170 [ 253.376566] Swap cache stats: add 0, delete 0, find 0/0 [ 253.376575] Free swap = 0kB [ 253.380368] ? enqueue_hrtimer+0x1a5/0x560 [ 253.385365] Total swap = 0kB [ 253.388814] ? lock_release+0x970/0x970 [ 253.392602] 1965979 pages RAM [ 253.397973] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 253.400964] 0 pages HighMem/MovableOnly [ 253.405214] ? find_held_lock+0x36/0x1c0 [ 253.408213] 343323 pages reserved [ 253.412181] ? graph_lock+0x170/0x170 [ 253.415269] 0 pages cma reserved [ 253.420452] ? pvclock_read_flags+0x160/0x160 [ 253.424471] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 253.428456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.428478] ? check_preemption_disabled+0x48/0x200 [ 253.428503] ? __lock_is_held+0xb5/0x140 [ 253.431996] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 253.435733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.439080] kworker/0:1 cpuset= [ 253.443569] ? check_preemption_disabled+0x48/0x200 [ 253.450037] / [ 253.455577] run_timer_softirq+0x52/0xb0 [ 253.460567] mems_allowed=0 [ 253.464623] ? rcu_read_lock_sched_held+0x108/0x120 [ 253.502395] __do_softirq+0x30b/0xad8 [ 253.506212] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 253.511325] ? pvclock_read_flags+0x160/0x160 [ 253.515821] ? lapic_next_event+0x5a/0x90 [ 253.519981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.525524] ? check_preemption_disabled+0x48/0x200 [ 253.530537] ? check_preemption_disabled+0x48/0x200 [ 253.535573] ? kvm_clock_read+0x18/0x30 [ 253.539551] ? kvm_sched_clock_read+0x9/0x20 [ 253.543988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.549531] ? check_preemption_disabled+0x48/0x200 [ 253.554558] irq_exit+0x17f/0x1c0 [ 253.558022] smp_apic_timer_interrupt+0x1cb/0x760 [ 253.562865] ? smp_reschedule_interrupt+0x109/0x650 [ 253.567885] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.573782] ? interrupt_entry+0xb5/0xf0 [ 253.577850] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.582868] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.587888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.592745] ? trace_hardirqs_off+0x300/0x300 [ 253.597238] ? trace_hardirqs_off+0x300/0x300 [ 253.601767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.607307] ? check_preemption_disabled+0x48/0x200 [ 253.612337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.617211] apic_timer_interrupt+0xf/0x20 [ 253.621614] [ 253.623858] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 253.628789] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 253.647691] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 253.655405] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 253.662672] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 253.669943] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 253.677218] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 253.684487] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 253.691796] skb_clone+0x1bb/0x500 [ 253.695338] ? skb_split+0x11e0/0x11e0 [ 253.699231] ? preempt_notifier_register+0x200/0x200 [ 253.704337] ? __switch_to_asm+0x34/0x70 [ 253.708401] ? __switch_to_asm+0x34/0x70 [ 253.712483] ? __switch_to_asm+0x40/0x70 [ 253.716542] ? __switch_to_asm+0x34/0x70 [ 253.720600] ? __switch_to_asm+0x40/0x70 [ 253.724672] ? __switch_to_asm+0x40/0x70 [ 253.728734] ? __switch_to_asm+0x34/0x70 [ 253.732794] ? __switch_to_asm+0x34/0x70 [ 253.736853] ? __switch_to_asm+0x40/0x70 [ 253.740909] ? __switch_to_asm+0x34/0x70 [ 253.744987] bpf_clone_redirect+0xb9/0x490 [ 253.749232] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 253.754254] ? __sched_text_start+0x8/0x8 [ 253.758420] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.763184] ? find_held_lock+0x36/0x1c0 [ 253.767254] ? lock_acquire+0x1ed/0x520 [ 253.771228] ? bpf_test_run+0x32e/0x5a0 [ 253.775210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.780750] ? check_preemption_disabled+0x48/0x200 [ 253.785771] ? kasan_check_read+0x11/0x20 [ 253.789923] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.795224] ? rcu_bh_qs+0xc0/0xc0 [ 253.798773] ? preempt_schedule+0x4d/0x60 [ 253.802923] ? ___preempt_schedule+0x16/0x18 [ 253.807398] ? bpf_test_run+0x1c0/0x5a0 [ 253.811397] ? netlink_diag_dump+0x2a0/0x2a0 [ 253.815828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.821367] ? bpf_test_init.isra.9+0x70/0x100 [ 253.825962] ? bpf_prog_test_run_skb+0x634/0xb40 [ 253.830740] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.835582] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 253.841141] ? fput+0x130/0x1a0 [ 253.844433] ? __bpf_prog_get+0x9b/0x290 [ 253.848505] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.853364] ? bpf_prog_test_run+0x130/0x1a0 [ 253.857778] ? __x64_sys_bpf+0x3d8/0x510 [ 253.861851] ? bpf_prog_get+0x20/0x20 [ 253.865660] ? ksys_ioctl+0x81/0xd0 [ 253.869328] ? do_syscall_64+0x1b9/0x820 [ 253.873405] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 253.878772] ? syscall_return_slowpath+0x5e0/0x5e0 [ 253.883714] ? trace_hardirqs_off+0x300/0x300 [ 253.888223] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 253.893245] ? recalc_sigpending_tsk+0x180/0x180 [ 253.898002] ? kasan_check_write+0x14/0x20 [ 253.902248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.907102] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.912491] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 253.912561] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 253.919347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.919371] Workqueue: (null) (events) [ 253.919389] Call Trace: [ 253.925921] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 253.935216] [ 253.940046] syz-executor1 cpuset= [ 253.942627] dump_stack+0x1c4/0x2b4 [ 253.953090] syz1 [ 253.955239] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.958683] mems_allowed=0 [ 253.962314] warn_alloc.cold.118+0xb7/0x1bd [ 253.976685] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.981571] ? lock_downgrade+0x900/0x900 [ 253.985754] ? trace_hardirqs_off+0xb8/0x300 [ 253.990165] ? trace_hardirqs_off+0xb8/0x300 [ 253.994591] __alloc_pages_slowpath+0x2667/0x2d80 [ 253.999469] ? warn_alloc+0x120/0x120 [ 254.003296] ? warn_alloc+0x120/0x120 [ 254.007114] ? print_usage_bug+0xc0/0xc0 [ 254.011179] ? warn_alloc+0x120/0x120 [ 254.014989] ? print_usage_bug+0xc0/0xc0 [ 254.019056] ? __lock_acquire+0x7ec/0x4ec0 [ 254.023291] ? __lock_acquire+0x7ec/0x4ec0 [ 254.028058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.033601] ? should_fail+0x22d/0xd01 [ 254.037493] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.042621] ? __lock_acquire+0x7ec/0x4ec0 [ 254.046862] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.052009] ? __lock_acquire+0x7ec/0x4ec0 [ 254.056266] ? should_fail+0x22d/0xd01 [ 254.060167] ? mark_held_locks+0x130/0x130 [ 254.064412] ? mark_held_locks+0x130/0x130 [ 254.068666] ? graph_lock+0x170/0x170 [ 254.072488] ? graph_lock+0x170/0x170 [ 254.076297] ? graph_lock+0x170/0x170 [ 254.080121] ? print_usage_bug+0xc0/0xc0 [ 254.084186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.089723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.095264] ? check_preemption_disabled+0x48/0x200 [ 254.100291] ? check_preemption_disabled+0x48/0x200 [ 254.105333] ? __lock_is_held+0xb5/0x140 [ 254.109421] __alloc_pages_nodemask+0xa80/0xde0 [ 254.114358] ? graph_lock+0x170/0x170 [ 254.118179] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 254.123198] ? graph_lock+0x170/0x170 [ 254.127020] ? find_held_lock+0x36/0x1c0 [ 254.131093] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.135957] ? lock_downgrade+0x900/0x900 [ 254.140140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.145683] cache_grow_begin+0x91/0x8c0 [ 254.149743] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.154171] fallback_alloc+0x203/0x2e0 [ 254.158154] ____cache_alloc_node+0x1c7/0x1e0 [ 254.162669] kmem_cache_alloc_node+0xe3/0x730 [ 254.167233] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.171497] __alloc_skb+0x119/0x770 [ 254.175212] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.180495] ? skb_scrub_packet+0x490/0x490 [ 254.184815] ? lock_downgrade+0x900/0x900 [ 254.188979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.194522] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.199983] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.205437] ? addrconf_rs_timer+0x6f0/0x6f0 [ 254.209866] ndisc_alloc_skb+0x144/0x340 [ 254.213938] ndisc_send_rs+0x331/0x6e0 [ 254.217834] addrconf_rs_timer+0x3c0/0x6f0 [ 254.222076] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.226328] call_timer_fn+0x272/0x920 [ 254.230221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.234466] ? process_timeout+0x40/0x40 [ 254.238524] ? find_held_lock+0x36/0x1c0 [ 254.242596] ? __run_timers+0x7da/0xc70 [ 254.246575] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.251078] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.255577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.259829] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 254.264444] ? trace_hardirqs_on+0xbd/0x310 [ 254.268766] ? kasan_check_read+0x11/0x20 [ 254.272913] ? __run_timers+0x7da/0xc70 [ 254.276892] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.282352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.286608] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.290848] __run_timers+0x7e5/0xc70 [ 254.294661] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.300029] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.305051] ? graph_lock+0x170/0x170 [ 254.308871] ? enqueue_hrtimer+0x1a5/0x560 [ 254.313105] ? lock_release+0x970/0x970 [ 254.317096] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 254.322294] ? find_held_lock+0x36/0x1c0 [ 254.326382] ? pvclock_read_flags+0x160/0x160 [ 254.330883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.336420] ? check_preemption_disabled+0x48/0x200 [ 254.341444] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 254.346989] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.352275] ? rcu_pm_notify+0xc0/0xc0 [ 254.356165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.361702] ? check_preemption_disabled+0x48/0x200 [ 254.366727] run_timer_softirq+0x52/0xb0 [ 254.370800] ? rcu_read_lock_sched_held+0x108/0x120 [ 254.375820] __do_softirq+0x30b/0xad8 [ 254.379638] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 254.384746] ? pvclock_read_flags+0x160/0x160 [ 254.389257] ? lapic_next_event+0x5a/0x90 [ 254.393408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.398943] ? check_preemption_disabled+0x48/0x200 [ 254.403960] ? check_preemption_disabled+0x48/0x200 [ 254.408994] ? kvm_clock_read+0x18/0x30 [ 254.412974] ? kvm_sched_clock_read+0x9/0x20 [ 254.417397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.422933] ? check_preemption_disabled+0x48/0x200 [ 254.427977] irq_exit+0x17f/0x1c0 [ 254.431448] smp_apic_timer_interrupt+0x1cb/0x760 [ 254.436312] ? smp_call_function_single_interrupt+0x650/0x650 [ 254.442201] ? interrupt_entry+0xb5/0xf0 [ 254.446268] ? trace_hardirqs_off_caller+0xbb/0x300 [ 254.451289] ? trace_hardirqs_off_caller+0xbb/0x300 [ 254.456309] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.461154] ? trace_hardirqs_off+0x300/0x300 [ 254.465648] ? trace_hardirqs_off+0x300/0x300 [ 254.470145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.475681] ? check_preemption_disabled+0x48/0x200 [ 254.480702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.486247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.491104] apic_timer_interrupt+0xf/0x20 [ 254.495332] [ 254.497574] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 254.502679] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 254.521578] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 254.529292] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 254.536562] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 254.543841] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 254.551112] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 254.558382] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 254.565694] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.570193] finish_task_switch+0x1f5/0x900 [ 254.574514] ? finish_task_switch+0x1b5/0x900 [ 254.579033] ? __switch_to_asm+0x34/0x70 [ 254.583121] ? preempt_notifier_register+0x200/0x200 [ 254.588247] ? __switch_to_asm+0x34/0x70 [ 254.592310] ? __switch_to_asm+0x34/0x70 [ 254.596372] ? __switch_to_asm+0x40/0x70 [ 254.600435] ? __switch_to_asm+0x34/0x70 [ 254.604509] ? __switch_to_asm+0x40/0x70 [ 254.608569] ? __switch_to_asm+0x34/0x70 [ 254.612656] ? __switch_to_asm+0x40/0x70 [ 254.616718] ? __switch_to_asm+0x34/0x70 [ 254.620777] ? __switch_to_asm+0x40/0x70 [ 254.624840] ? __switch_to_asm+0x34/0x70 [ 254.628900] ? __switch_to_asm+0x40/0x70 [ 254.632993] ? __switch_to_asm+0x34/0x70 [ 254.637060] ? __switch_to_asm+0x40/0x70 [ 254.641121] ? __switch_to_asm+0x34/0x70 [ 254.645183] ? __switch_to_asm+0x40/0x70 [ 254.649256] __schedule+0x874/0x1ed0 [ 254.652992] ? lockdep_hardirqs_on+0x421/0x5c0 [ 254.657609] ? __sched_text_start+0x8/0x8 [ 254.661769] ? graph_lock+0x170/0x170 [ 254.665578] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 254.670346] ? lockdep_hardirqs_on+0x421/0x5c0 [ 254.674926] ? retint_kernel+0x2d/0x2d [ 254.678814] ? find_held_lock+0x36/0x1c0 [ 254.682909] schedule+0xfe/0x460 [ 254.686281] ? __schedule+0x1ed0/0x1ed0 [ 254.690260] ? lockdep_hardirqs_on+0x421/0x5c0 [ 254.694845] ? trace_hardirqs_on+0xbd/0x310 [ 254.699166] ? kasan_check_read+0x11/0x20 [ 254.703319] ? worker_thread+0x3ca/0x1390 [ 254.707469] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.714412] ? kasan_check_write+0x14/0x20 [ 254.718646] ? do_raw_spin_lock+0xc1/0x200 [ 254.722893] worker_thread+0x3cf/0x1390 [ 254.726865] ? __switch_to_asm+0x34/0x70 [ 254.730937] ? process_one_work+0x1b90/0x1b90 [ 254.735448] ? graph_lock+0x170/0x170 [ 254.739260] ? __sched_text_start+0x8/0x8 [ 254.743420] ? find_held_lock+0x36/0x1c0 [ 254.747496] ? __kthread_parkme+0xce/0x1a0 [ 254.751749] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 254.756858] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 254.761972] ? lockdep_hardirqs_on+0x421/0x5c0 [ 254.766563] ? trace_hardirqs_on+0xbd/0x310 [ 254.770884] ? kasan_check_read+0x11/0x20 [ 254.775038] ? __kthread_parkme+0xce/0x1a0 [ 254.779280] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.784733] ? kasan_check_write+0x14/0x20 [ 254.788987] ? do_raw_spin_lock+0xc1/0x200 [ 254.793246] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 254.798353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.803897] ? __kthread_parkme+0xfb/0x1a0 [ 254.808226] kthread+0x35a/0x420 [ 254.811595] ? process_one_work+0x1b90/0x1b90 [ 254.816090] ? kthread_bind+0x40/0x40 [ 254.819906] ret_from_fork+0x3a/0x50 [ 254.823635] warn_alloc_show_mem: 1 callbacks suppressed [ 254.823648] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 254.823650] Mem-Info: [ 254.823681] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 254.823681] active_file:13 inactive_file:18 isolated_file:0 [ 254.823681] unevictable:0 dirty:0 writeback:0 unstable:0 [ 254.823681] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 254.823681] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 254.823681] free:13747 free_pcp:307 free_cma:0 [ 254.829024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.829033] Call Trace: [ 254.836236] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 254.838634] [ 254.871498] Node 0 [ 254.880865] dump_stack+0x1c4/0x2b4 [ 254.883455] 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 [ 254.911101] ? dump_stack_print_info.cold.2+0x52/0x52 [ 254.913233] lowmem_reserve[]: [ 254.915482] warn_alloc.cold.118+0xb7/0x1bd [ 254.919072] 0 [ 254.944580] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.949745] 2815 [ 254.952849] ? lock_downgrade+0x900/0x900 [ 254.957148] 6318 [ 254.958968] ? trace_hardirqs_off+0xb8/0x300 [ 254.963784] 6318 [ 254.965855] ? trace_hardirqs_off+0xb8/0x300 [ 254.969982] Node 0 [ 254.972049] __alloc_pages_slowpath+0x2667/0x2d80 [ 254.976457] DMA32 free:25280kB 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 [ 254.978534] ? warn_alloc+0x120/0x120 [ 254.982889] lowmem_reserve[]: 0 [ 254.985137] ? warn_alloc+0x120/0x120 [ 254.989949] 0 3503 [ 255.016942] ? print_usage_bug+0xc0/0xc0 [ 255.020720] 3503 [ 255.023999] ? warn_alloc+0x120/0x120 [ 255.027791] Node 0 [ 255.030037] ? print_usage_bug+0xc0/0xc0 [ 255.034102] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 255.036140] ? __lock_acquire+0x7ec/0x4ec0 [ 255.039912] lowmem_reserve[]: 0 [ 255.042154] ? __lock_acquire+0x7ec/0x4ec0 [ 255.046184] 0 0 [ 255.074560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.078777] 0 [ 255.082061] ? should_fail+0x22d/0xd01 [ 255.086277] Node 0 [ 255.088254] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.093769] DMA: [ 255.095569] ? __lock_acquire+0x7ec/0x4ec0 [ 255.099435] 1*4kB [ 255.101677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.106760] (U) [ 255.108822] ? __lock_acquire+0x7ec/0x4ec0 [ 255.113039] 0*8kB [ 255.115185] ? should_fail+0x22d/0xd01 [ 255.120266] 0*16kB [ 255.122253] ? mark_held_locks+0x130/0x130 [ 255.126469] 1*32kB [ 255.128627] ? mark_held_locks+0x130/0x130 [ 255.132497] (U) [ 255.134731] ? graph_lock+0x170/0x170 [ 255.138945] 2*64kB [ 255.141186] ? graph_lock+0x170/0x170 [ 255.145403] (U) [ 255.147376] ? graph_lock+0x170/0x170 [ 255.151150] 1*128kB (U) [ 255.153401] ? print_usage_bug+0xc0/0xc0 [ 255.157173] 1*256kB (U) [ 255.159161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.162939] 0*512kB [ 255.165617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.169661] 1*1024kB [ 255.172327] ? check_preemption_disabled+0x48/0x200 [ 255.177847] (U) [ 255.180167] ? check_preemption_disabled+0x48/0x200 [ 255.185675] 1*2048kB (M) [ 255.188104] ? __lock_is_held+0xb5/0x140 [ 255.193096] 3*4096kB [ 255.195071] __alloc_pages_nodemask+0xa80/0xde0 [ 255.200067] (M) [ 255.202825] ? graph_lock+0x170/0x170 [ 255.206865] = 15908kB [ 255.209277] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.213925] Node 0 [ 255.215899] ? graph_lock+0x170/0x170 [ 255.219677] DMA32: 4*4kB [ 255.222107] ? find_held_lock+0x36/0x1c0 [ 255.227096] (UM) [ 255.229336] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.233114] 2*8kB [ 255.235872] ? lock_downgrade+0x900/0x900 [ 255.239914] (M) [ 255.241990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.246636] 2*16kB [ 255.248787] cache_grow_begin+0x91/0x8c0 [ 255.252911] (UM) [ 255.254890] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.260398] 2*32kB (UM) [ 255.262648] fallback_alloc+0x203/0x2e0 [ 255.266686] 3*64kB [ 255.268754] ____cache_alloc_node+0x1c7/0x1e0 [ 255.273145] (UM) [ 255.275815] kmem_cache_alloc_node+0xe3/0x730 [ 255.279758] 3*128kB (M) [ 255.282007] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.286492] 2*256kB [ 255.288568] __alloc_skb+0x119/0x770 [ 255.293034] (M) [ 255.295708] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.299918] 3*512kB [ 255.302240] ? skb_scrub_packet+0x490/0x490 [ 255.305931] (M) [ 255.307914] ? lock_downgrade+0x900/0x900 [ 255.313174] 4*1024kB [ 255.315504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.319803] (UM) [ 255.321778] ? refcount_sub_and_test_checked+0x203/0x310 [ 255.325903] 3*2048kB [ 255.328315] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 255.333829] (UM) [ 255.335896] ? addrconf_rs_timer+0x6f0/0x6f0 [ 255.341322] 3*4096kB [ 255.343738] ndisc_alloc_skb+0x144/0x340 [ 255.349159] (M) [ 255.351226] ndisc_send_rs+0x331/0x6e0 [ 255.355605] = 25280kB [ 255.355615] Node 0 [ 255.358026] addrconf_rs_timer+0x3c0/0x6f0 [ 255.362055] Normal: 876*4kB [ 255.364047] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.367908] (UME) [ 255.370325] call_timer_fn+0x272/0x920 [ 255.372536] 393*8kB [ 255.376771] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.379760] (UMEH) 183*16kB [ 255.384013] ? process_timeout+0x40/0x40 [ 255.386145] (UMEH) [ 255.390027] ? find_held_lock+0x36/0x1c0 [ 255.390052] ? __run_timers+0x7da/0xc70 [ 255.392354] 70*32kB [ 255.396585] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.399582] (UMEH) [ 255.403638] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.405855] 13*64kB [ 255.409911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.413861] (UMH) [ 255.416187] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 255.420659] 3*128kB [ 255.422895] ? trace_hardirqs_on+0xbd/0x310 [ 255.427368] (UH) [ 255.429688] ? kasan_check_read+0x11/0x20 [ 255.433903] 3*256kB [ 255.436049] ? __run_timers+0x7da/0xc70 [ 255.440609] (H) [ 255.442944] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.447245] 0*512kB [ 255.449304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.453431] 0*1024kB [ 255.455757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.459707] 0*2048kB [ 255.461683] __run_timers+0x7e5/0xc70 [ 255.467115] 0*4096kB [ 255.469443] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 255.473647] = 13800kB [ 255.476060] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 255.480282] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 255.482684] ? graph_lock+0x170/0x170 [ 255.486470] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 255.488879] ? enqueue_hrtimer+0x1a5/0x560 [ 255.494224] 410 total pagecache pages [ 255.496635] ? lock_release+0x970/0x970 [ 255.501634] 0 pages in swap cache [ 255.510461] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 255.514238] Swap cache stats: add 0, delete 0, find 0/0 [ 255.514248] Free swap = 0kB [ 255.522822] ? find_held_lock+0x36/0x1c0 [ 255.527035] Total swap = 0kB [ 255.530835] ? graph_lock+0x170/0x170 [ 255.534787] 1965979 pages RAM [ 255.538240] ? pvclock_read_flags+0x160/0x160 [ 255.543408] 0 pages HighMem/MovableOnly [ 255.548772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.551767] 343323 pages reserved [ 255.555827] ? check_preemption_disabled+0x48/0x200 [ 255.558830] 0 pages cma reserved [ 255.562657] ? __lock_is_held+0xb5/0x140 [ 255.565802] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 255.570223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.570237] ? check_preemption_disabled+0x48/0x200 [ 255.570259] run_timer_softirq+0x52/0xb0 [ 255.574271] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 255.579750] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.583180] kworker/0:1 cpuset= [ 255.588197] __do_softirq+0x30b/0xad8 [ 255.591541] / [ 255.595605] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 255.602071] mems_allowed=0 [ 255.607601] ? pvclock_read_flags+0x160/0x160 [ 255.653216] ? lapic_next_event+0x5a/0x90 [ 255.657372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.662912] ? check_preemption_disabled+0x48/0x200 [ 255.667960] ? check_preemption_disabled+0x48/0x200 [ 255.672994] ? kvm_clock_read+0x18/0x30 [ 255.676981] ? kvm_sched_clock_read+0x9/0x20 [ 255.681397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.686937] ? check_preemption_disabled+0x48/0x200 [ 255.691987] irq_exit+0x17f/0x1c0 [ 255.695448] smp_apic_timer_interrupt+0x1cb/0x760 [ 255.700299] ? smp_reschedule_interrupt+0x109/0x650 [ 255.705322] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.711212] ? interrupt_entry+0xb5/0xf0 [ 255.715277] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.720299] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.725319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.730165] ? trace_hardirqs_off+0x300/0x300 [ 255.734661] ? trace_hardirqs_off+0x300/0x300 [ 255.739160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.744703] ? check_preemption_disabled+0x48/0x200 [ 255.749734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.754588] apic_timer_interrupt+0xf/0x20 [ 255.758817] [ 255.761058] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 255.765992] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 255.784896] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 255.792610] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 255.799880] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 255.807151] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 255.814419] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 255.821701] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 255.829018] skb_clone+0x1bb/0x500 [ 255.832570] ? skb_split+0x11e0/0x11e0 [ 255.836466] ? preempt_notifier_register+0x200/0x200 [ 255.841580] ? __switch_to_asm+0x34/0x70 [ 255.845644] ? __switch_to_asm+0x34/0x70 [ 255.849705] ? __switch_to_asm+0x40/0x70 [ 255.853767] ? __switch_to_asm+0x34/0x70 [ 255.857828] ? __switch_to_asm+0x40/0x70 [ 255.861892] ? __switch_to_asm+0x40/0x70 [ 255.865965] ? __switch_to_asm+0x34/0x70 [ 255.870033] ? __switch_to_asm+0x34/0x70 [ 255.874099] ? __switch_to_asm+0x40/0x70 [ 255.878163] ? __switch_to_asm+0x34/0x70 [ 255.882241] bpf_clone_redirect+0xb9/0x490 [ 255.886498] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 255.891523] ? __sched_text_start+0x8/0x8 [ 255.895684] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.900458] ? find_held_lock+0x36/0x1c0 [ 255.904540] ? lock_acquire+0x1ed/0x520 [ 255.908521] ? bpf_test_run+0x32e/0x5a0 [ 255.912509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.918049] ? check_preemption_disabled+0x48/0x200 [ 255.923071] ? kasan_check_read+0x11/0x20 [ 255.927237] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.932532] ? rcu_bh_qs+0xc0/0xc0 [ 255.936077] ? preempt_schedule+0x4d/0x60 [ 255.940229] ? ___preempt_schedule+0x16/0x18 [ 255.944649] ? bpf_test_run+0x1c0/0x5a0 [ 255.948640] ? netlink_diag_dump+0x2a0/0x2a0 [ 255.953057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.958596] ? bpf_test_init.isra.9+0x70/0x100 [ 255.963191] ? bpf_prog_test_run_skb+0x634/0xb40 [ 255.967967] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 255.972814] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 255.978362] ? fput+0x130/0x1a0 [ 255.981648] ? __bpf_prog_get+0x9b/0x290 [ 255.985715] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 255.990565] ? bpf_prog_test_run+0x130/0x1a0 [ 255.994984] ? __x64_sys_bpf+0x3d8/0x510 [ 255.999051] ? bpf_prog_get+0x20/0x20 [ 256.002863] ? ksys_ioctl+0x81/0xd0 [ 256.006513] ? do_syscall_64+0x1b9/0x820 [ 256.010579] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 256.015949] ? syscall_return_slowpath+0x5e0/0x5e0 [ 256.020885] ? trace_hardirqs_off+0x300/0x300 [ 256.025386] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 256.030600] ? recalc_sigpending_tsk+0x180/0x180 [ 256.035363] ? kasan_check_write+0x14/0x20 [ 256.039610] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.044466] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 256.049862] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 256.049935] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.056707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.056731] Workqueue: (null) [ 256.063303] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.072565] (events) [ 256.076611] syz-executor1 cpuset= [ 256.087087] Call Trace: [ 256.089494] syz1 [ 256.092941] [ 256.095518] mems_allowed=0 [ 256.097487] dump_stack+0x1c4/0x2b4 [ 256.097506] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.111368] warn_alloc.cold.118+0xb7/0x1bd [ 256.115697] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.120548] ? lock_downgrade+0x900/0x900 [ 256.124710] ? trace_hardirqs_off+0xb8/0x300 [ 256.129130] ? trace_hardirqs_off+0xb8/0x300 [ 256.133794] __alloc_pages_slowpath+0x2667/0x2d80 [ 256.138674] ? warn_alloc+0x120/0x120 [ 256.142487] ? warn_alloc+0x120/0x120 [ 256.146294] ? print_usage_bug+0xc0/0xc0 [ 256.150359] ? warn_alloc+0x120/0x120 [ 256.154163] ? print_usage_bug+0xc0/0xc0 [ 256.158231] ? __lock_acquire+0x7ec/0x4ec0 [ 256.162475] ? __lock_acquire+0x7ec/0x4ec0 [ 256.166723] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.172264] ? should_fail+0x22d/0xd01 [ 256.176164] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.181273] ? __lock_acquire+0x7ec/0x4ec0 [ 256.185520] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.190628] ? __lock_acquire+0x7ec/0x4ec0 [ 256.194866] ? should_fail+0x22d/0xd01 [ 256.198768] ? mark_held_locks+0x130/0x130 [ 256.203013] ? mark_held_locks+0x130/0x130 [ 256.207254] ? graph_lock+0x170/0x170 [ 256.211063] ? graph_lock+0x170/0x170 [ 256.214873] ? graph_lock+0x170/0x170 [ 256.218676] ? print_usage_bug+0xc0/0xc0 [ 256.222742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.228283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.233827] ? check_preemption_disabled+0x48/0x200 [ 256.238844] ? check_preemption_disabled+0x48/0x200 [ 256.243876] ? __lock_is_held+0xb5/0x140 [ 256.247954] __alloc_pages_nodemask+0xa80/0xde0 [ 256.252646] ? graph_lock+0x170/0x170 [ 256.256460] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 256.261482] ? graph_lock+0x170/0x170 [ 256.265300] ? find_held_lock+0x36/0x1c0 [ 256.269378] ? ____cache_alloc_node+0x1c7/0x1e0 [ 256.274051] ? lock_downgrade+0x900/0x900 [ 256.278212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.283766] cache_grow_begin+0x91/0x8c0 [ 256.287833] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.292259] fallback_alloc+0x203/0x2e0 [ 256.296259] ____cache_alloc_node+0x1c7/0x1e0 [ 256.300769] kmem_cache_alloc_node+0xe3/0x730 [ 256.305271] ? ipv6_get_ifaddr+0x42e/0x620 [ 256.309523] __alloc_skb+0x119/0x770 [ 256.313243] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.318528] ? skb_scrub_packet+0x490/0x490 [ 256.322857] ? lock_downgrade+0x900/0x900 [ 256.327019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.332565] ? refcount_sub_and_test_checked+0x203/0x310 [ 256.338025] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 256.343478] ? addrconf_rs_timer+0x6f0/0x6f0 [ 256.347910] ndisc_alloc_skb+0x144/0x340 [ 256.351986] ndisc_send_rs+0x331/0x6e0 [ 256.355884] addrconf_rs_timer+0x3c0/0x6f0 [ 256.360130] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.364382] call_timer_fn+0x272/0x920 [ 256.368276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.372522] ? process_timeout+0x40/0x40 [ 256.376586] ? find_held_lock+0x36/0x1c0 [ 256.380659] ? __run_timers+0x7da/0xc70 [ 256.384644] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.389142] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.393638] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.397874] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 256.402464] ? trace_hardirqs_on+0xbd/0x310 [ 256.406787] ? kasan_check_read+0x11/0x20 [ 256.410941] ? __run_timers+0x7da/0xc70 [ 256.414929] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.420388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.424632] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.428873] __run_timers+0x7e5/0xc70 [ 256.432696] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 256.438070] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.443091] ? graph_lock+0x170/0x170 [ 256.446899] ? enqueue_hrtimer+0x1a5/0x560 [ 256.451143] ? lock_release+0x970/0x970 [ 256.455120] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 256.460324] ? find_held_lock+0x36/0x1c0 [ 256.464402] ? pvclock_read_flags+0x160/0x160 [ 256.468906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.474445] ? check_preemption_disabled+0x48/0x200 [ 256.479477] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 256.485024] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.490309] ? rcu_pm_notify+0xc0/0xc0 [ 256.494205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.499742] ? check_preemption_disabled+0x48/0x200 [ 256.504774] run_timer_softirq+0x52/0xb0 [ 256.508845] ? rcu_read_lock_sched_held+0x108/0x120 [ 256.513867] __do_softirq+0x30b/0xad8 [ 256.517861] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 256.522980] ? pvclock_read_flags+0x160/0x160 [ 256.527480] ? lapic_next_event+0x5a/0x90 [ 256.531636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.537177] ? check_preemption_disabled+0x48/0x200 [ 256.542200] ? check_preemption_disabled+0x48/0x200 [ 256.547225] ? kvm_clock_read+0x18/0x30 [ 256.551203] ? kvm_sched_clock_read+0x9/0x20 [ 256.556924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.562466] ? check_preemption_disabled+0x48/0x200 [ 256.567500] irq_exit+0x17f/0x1c0 [ 256.570966] smp_apic_timer_interrupt+0x1cb/0x760 [ 256.575823] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.581709] ? interrupt_entry+0xb5/0xf0 [ 256.585780] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.590800] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.595825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.600670] ? trace_hardirqs_off+0x300/0x300 [ 256.605167] ? trace_hardirqs_off+0x300/0x300 [ 256.609664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.615207] ? check_preemption_disabled+0x48/0x200 [ 256.620230] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.625780] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.630639] apic_timer_interrupt+0xf/0x20 [ 256.634868] [ 256.637111] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 256.642219] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 256.661118] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 256.668835] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 256.676191] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 256.683462] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 256.690735] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 256.698005] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 256.705302] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.709803] finish_task_switch+0x1f5/0x900 [ 256.714127] ? finish_task_switch+0x1b5/0x900 [ 256.718628] ? __switch_to_asm+0x34/0x70 [ 256.722696] ? preempt_notifier_register+0x200/0x200 [ 256.727804] ? __switch_to_asm+0x34/0x70 [ 256.731867] ? __switch_to_asm+0x34/0x70 [ 256.735929] ? __switch_to_asm+0x40/0x70 [ 256.739996] ? __switch_to_asm+0x34/0x70 [ 256.744057] ? __switch_to_asm+0x40/0x70 [ 256.748119] ? __switch_to_asm+0x34/0x70 [ 256.752185] ? __switch_to_asm+0x40/0x70 [ 256.756250] ? __switch_to_asm+0x34/0x70 [ 256.760311] ? __switch_to_asm+0x40/0x70 [ 256.764375] ? __switch_to_asm+0x34/0x70 [ 256.768441] ? __switch_to_asm+0x40/0x70 [ 256.772506] ? __switch_to_asm+0x34/0x70 [ 256.776571] ? __switch_to_asm+0x40/0x70 [ 256.780633] ? __switch_to_asm+0x34/0x70 [ 256.784699] ? __switch_to_asm+0x40/0x70 [ 256.788774] __schedule+0x874/0x1ed0 [ 256.792494] ? lockdep_hardirqs_on+0x421/0x5c0 [ 256.797089] ? __sched_text_start+0x8/0x8 [ 256.801251] ? graph_lock+0x170/0x170 [ 256.805060] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.809825] ? lockdep_hardirqs_on+0x421/0x5c0 [ 256.814411] ? retint_kernel+0x2d/0x2d [ 256.818307] ? find_held_lock+0x36/0x1c0 [ 256.822381] schedule+0xfe/0x460 [ 256.825756] ? __schedule+0x1ed0/0x1ed0 [ 256.829740] ? lockdep_hardirqs_on+0x421/0x5c0 [ 256.834327] ? trace_hardirqs_on+0xbd/0x310 [ 256.838654] ? kasan_check_read+0x11/0x20 [ 256.842808] ? worker_thread+0x3ca/0x1390 [ 256.846961] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.852424] ? kasan_check_write+0x14/0x20 [ 256.856665] ? do_raw_spin_lock+0xc1/0x200 [ 256.860912] worker_thread+0x3cf/0x1390 [ 256.864888] ? __switch_to_asm+0x34/0x70 [ 256.868965] ? process_one_work+0x1b90/0x1b90 [ 256.873479] ? graph_lock+0x170/0x170 [ 256.877296] ? __sched_text_start+0x8/0x8 [ 256.881456] ? find_held_lock+0x36/0x1c0 [ 256.885532] ? __kthread_parkme+0xce/0x1a0 [ 256.889773] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 256.894887] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 256.899999] ? lockdep_hardirqs_on+0x421/0x5c0 [ 256.904588] ? trace_hardirqs_on+0xbd/0x310 [ 256.908913] ? kasan_check_read+0x11/0x20 [ 256.913064] ? __kthread_parkme+0xce/0x1a0 [ 256.917304] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.922758] ? kasan_check_write+0x14/0x20 [ 256.927000] ? do_raw_spin_lock+0xc1/0x200 [ 256.931246] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 256.936352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.941894] ? __kthread_parkme+0xfb/0x1a0 [ 256.946140] kthread+0x35a/0x420 [ 256.949510] ? process_one_work+0x1b90/0x1b90 [ 256.954007] ? kthread_bind+0x40/0x40 [ 256.957817] ret_from_fork+0x3a/0x50 [ 256.961547] warn_alloc_show_mem: 1 callbacks suppressed [ 256.961560] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 256.961562] Mem-Info: [ 256.961594] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 256.961594] active_file:13 inactive_file:18 isolated_file:0 [ 256.961594] unevictable:0 dirty:0 writeback:0 unstable:0 [ 256.961594] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 256.961594] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 256.961594] free:13747 free_pcp:307 free_cma:0 [ 256.966937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.974135] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 256.976541] Call Trace: [ 257.009406] Node 0 [ 257.018752] [ 257.046444] 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 [ 257.049006] dump_stack+0x1c4/0x2b4 [ 257.051217] lowmem_reserve[]: 0 [ 257.053377] ? dump_stack_print_info.cold.2+0x52/0x52 [ 257.078863] 2815 [ 257.082506] warn_alloc.cold.118+0xb7/0x1bd [ 257.085748] 6318 6318 [ 257.090947] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.097315] ? lock_downgrade+0x900/0x900 [ 257.099792] Node 0 [ 257.104634] ? trace_hardirqs_off+0xb8/0x300 [ 257.108782] DMA32 free:25280kB 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 [ 257.111000] ? trace_hardirqs_off+0xb8/0x300 [ 257.115377] lowmem_reserve[]: 0 [ 257.142371] __alloc_pages_slowpath+0x2667/0x2d80 [ 257.146756] 0 [ 257.150075] ? warn_alloc+0x120/0x120 [ 257.154868] 3503 [ 257.156672] ? trace_hardirqs_on+0x310/0x310 [ 257.160451] 3503 [ 257.162529] ? warn_alloc+0x120/0x120 [ 257.168999] ? print_usage_bug+0xc0/0xc0 [ 257.172777] Node 0 [ 257.176829] ? warn_alloc+0x120/0x120 [ 257.176861] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 257.176870] lowmem_reserve[]: [ 257.179108] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 257.182880] 0 0 [ 257.211255] ? print_usage_bug+0xc0/0xc0 [ 257.214339] 0 [ 257.219356] ? __lock_acquire+0x7ec/0x4ec0 [ 257.221310] 0 [ 257.225375] ? __lock_acquire+0x7ec/0x4ec0 [ 257.227161] Node 0 [ 257.231397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.233177] DMA: [ 257.237410] ? should_fail+0x22d/0xd01 [ 257.239626] 1*4kB [ 257.245160] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.247199] (U) [ 257.251086] ? __lock_acquire+0x7ec/0x4ec0 [ 257.253217] 0*8kB [ 257.258316] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.260269] 0*16kB [ 257.264526] ? __lock_acquire+0x7ec/0x4ec0 [ 257.266658] 1*32kB [ 257.271759] ? should_fail+0x22d/0xd01 [ 257.273976] (U) [ 257.278209] ? print_usage_bug+0xc0/0xc0 [ 257.280428] 2*64kB [ 257.284316] ? mark_held_locks+0x130/0x130 [ 257.286272] (U) [ 257.290330] ? mark_held_locks+0x130/0x130 [ 257.292559] 1*128kB [ 257.296792] ? graph_lock+0x170/0x170 [ 257.298748] (U) [ 257.302999] ? print_usage_bug+0xc0/0xc0 [ 257.305311] 1*256kB [ 257.309110] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.311066] (U) [ 257.315124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.317430] 0*512kB [ 257.322181] ? check_preemption_disabled+0x48/0x200 [ 257.324141] 1*1024kB [ 257.329674] ? check_preemption_disabled+0x48/0x200 [ 257.331978] (U) [ 257.337001] ? __lock_is_held+0xb5/0x140 [ 257.339386] 1*2048kB [ 257.344402] __alloc_pages_nodemask+0xa80/0xde0 [ 257.346355] (M) [ 257.350414] ? graph_lock+0x170/0x170 [ 257.352808] 3*4096kB [ 257.357484] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.359420] (M) = 15908kB [ 257.363227] ? graph_lock+0x170/0x170 [ 257.365622] Node 0 [ 257.370641] ? find_held_lock+0x36/0x1c0 [ 257.373375] DMA32: [ 257.377177] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.379392] 4*4kB [ 257.383450] ? lock_downgrade+0x900/0x900 [ 257.385664] (UM) [ 257.390341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.392468] 2*8kB [ 257.396622] cache_grow_begin+0x91/0x8c0 [ 257.398668] (M) [ 257.404204] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.406338] 2*16kB [ 257.410397] fallback_alloc+0x203/0x2e0 [ 257.412349] (UM) [ 257.416760] ____cache_alloc_node+0x1c7/0x1e0 [ 257.418978] 2*32kB [ 257.422945] kmem_cache_alloc_node+0xe3/0x730 [ 257.424988] (UM) [ 257.429488] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.431700] 3*64kB [ 257.436197] __alloc_skb+0x119/0x770 [ 257.438228] (UM) 3*128kB [ 257.442485] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.444697] (M) [ 257.448414] ? skb_scrub_packet+0x490/0x490 [ 257.451162] 2*256kB [ 257.456436] ? lock_downgrade+0x900/0x900 [ 257.458401] (M) [ 257.462728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.465028] 3*512kB [ 257.469178] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.471133] (M) [ 257.476669] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.478977] 4*1024kB [ 257.484425] ? addrconf_rs_timer+0x6f0/0x6f0 [ 257.486380] (UM) [ 257.491839] ndisc_alloc_skb+0x144/0x340 [ 257.494225] 3*2048kB [ 257.498635] ndisc_send_rs+0x331/0x6e0 [ 257.500678] (UM) [ 257.504742] addrconf_rs_timer+0x3c0/0x6f0 [ 257.507135] 3*4096kB [ 257.511019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.513062] (M) [ 257.517301] call_timer_fn+0x272/0x920 [ 257.519679] = 25280kB [ 257.519688] Node 0 [ 257.523920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.525884] Normal: [ 257.529768] ? process_timeout+0x40/0x40 [ 257.532162] 876*4kB [ 257.534400] ? find_held_lock+0x36/0x1c0 [ 257.538614] (UME) [ 257.540940] ? __run_timers+0x7da/0xc70 [ 257.544985] 393*8kB [ 257.547308] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.551344] (UMEH) [ 257.553495] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.557449] 183*16kB [ 257.559772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.564247] (UMEH) [ 257.566488] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 257.570954] 70*32kB (UMEH) 13*64kB [ 257.573382] ? trace_hardirqs_on+0xbd/0x310 [ 257.577598] (UMH) [ 257.579831] ? kasan_check_read+0x11/0x20 [ 257.584384] 3*128kB (UH) [ 257.588024] ? __run_timers+0x7da/0xc70 [ 257.592316] 3*256kB (H) [ 257.594482] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.598595] 0*512kB 0*1024kB [ 257.601399] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.605355] 0*2048kB [ 257.608026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.613466] 0*4096kB [ 257.616590] __run_timers+0x7e5/0xc70 [ 257.620795] = 13800kB [ 257.620811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 257.623223] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 257.627436] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 257.629839] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 257.633619] 410 total pagecache pages [ 257.636027] ? graph_lock+0x170/0x170 [ 257.644851] 0 pages in swap cache [ 257.650208] ? enqueue_hrtimer+0x1a5/0x560 [ 257.658765] Swap cache stats: add 0, delete 0, find 0/0 [ 257.658775] Free swap = 0kB [ 257.663787] ? lock_release+0x970/0x970 [ 257.667566] Total swap = 0kB [ 257.671362] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 257.674792] 1965979 pages RAM [ 257.679030] ? find_held_lock+0x36/0x1c0 [ 257.684370] 0 pages HighMem/MovableOnly [ 257.687386] ? graph_lock+0x170/0x170 [ 257.691341] 343323 pages reserved [ 257.694360] ? pvclock_read_flags+0x160/0x160 [ 257.699531] 0 pages cma reserved [ 257.702638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.706739] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 257.710646] ? check_preemption_disabled+0x48/0x200 [ 257.710672] ? __lock_is_held+0xb5/0x140 [ 257.710691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.714541] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 257.717937] ? check_preemption_disabled+0x48/0x200 [ 257.722410] kworker/0:1 cpuset= [ 257.725775] run_timer_softirq+0x52/0xb0 [ 257.731287] / [ 257.737779] ? rcu_read_lock_sched_held+0x108/0x120 [ 257.742776] mems_allowed=0 [ 257.746835] __do_softirq+0x30b/0xad8 [ 257.788398] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 257.793515] ? pvclock_read_flags+0x160/0x160 [ 257.798014] ? lapic_next_event+0x5a/0x90 [ 257.802166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.807707] ? check_preemption_disabled+0x48/0x200 [ 257.812723] ? check_preemption_disabled+0x48/0x200 [ 257.817748] ? kvm_clock_read+0x18/0x30 [ 257.821728] ? kvm_sched_clock_read+0x9/0x20 [ 257.826145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.831684] ? check_preemption_disabled+0x48/0x200 [ 257.836716] irq_exit+0x17f/0x1c0 [ 257.840183] smp_apic_timer_interrupt+0x1cb/0x760 [ 257.845028] ? smp_reschedule_interrupt+0x109/0x650 [ 257.850053] ? smp_call_function_single_interrupt+0x650/0x650 [ 257.855945] ? interrupt_entry+0xb5/0xf0 [ 257.860021] ? trace_hardirqs_off_caller+0xbb/0x300 [ 257.865044] ? trace_hardirqs_off_caller+0xbb/0x300 [ 257.870072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.874919] ? trace_hardirqs_off+0x300/0x300 [ 257.879421] ? trace_hardirqs_off+0x300/0x300 [ 257.883921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.889466] ? check_preemption_disabled+0x48/0x200 [ 257.894509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.899367] apic_timer_interrupt+0xf/0x20 [ 257.903598] [ 257.905842] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 257.910777] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 257.929684] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 257.937401] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 257.944670] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 257.951943] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 257.959221] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 257.966493] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 257.973805] skb_clone+0x1bb/0x500 [ 257.977358] ? skb_split+0x11e0/0x11e0 [ 257.981254] ? preempt_notifier_register+0x200/0x200 [ 257.986364] ? __switch_to_asm+0x34/0x70 [ 257.990428] ? __switch_to_asm+0x34/0x70 [ 257.994492] ? __switch_to_asm+0x40/0x70 [ 257.998558] ? __switch_to_asm+0x34/0x70 [ 258.002621] ? __switch_to_asm+0x40/0x70 [ 258.006689] ? __switch_to_asm+0x40/0x70 [ 258.010755] ? __switch_to_asm+0x34/0x70 [ 258.014820] ? __switch_to_asm+0x34/0x70 [ 258.018888] ? __switch_to_asm+0x40/0x70 [ 258.022953] ? __switch_to_asm+0x34/0x70 [ 258.027202] bpf_clone_redirect+0xb9/0x490 [ 258.031453] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 258.036489] ? __sched_text_start+0x8/0x8 [ 258.040646] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.045420] ? find_held_lock+0x36/0x1c0 [ 258.049499] ? lock_acquire+0x1ed/0x520 [ 258.053483] ? bpf_test_run+0x32e/0x5a0 [ 258.057463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.063012] ? check_preemption_disabled+0x48/0x200 [ 258.068037] ? kasan_check_read+0x11/0x20 [ 258.072190] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.077479] ? rcu_bh_qs+0xc0/0xc0 [ 258.081030] ? preempt_schedule+0x4d/0x60 [ 258.085186] ? ___preempt_schedule+0x16/0x18 [ 258.089609] ? bpf_test_run+0x1c0/0x5a0 [ 258.093601] ? netlink_diag_dump+0x2a0/0x2a0 [ 258.098043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.103585] ? bpf_test_init.isra.9+0x70/0x100 [ 258.108176] ? bpf_prog_test_run_skb+0x634/0xb40 [ 258.112944] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 258.117794] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 258.123334] ? fput+0x130/0x1a0 [ 258.126622] ? __bpf_prog_get+0x9b/0x290 [ 258.130691] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 258.136031] ? bpf_prog_test_run+0x130/0x1a0 [ 258.140450] ? __x64_sys_bpf+0x3d8/0x510 [ 258.144533] ? bpf_prog_get+0x20/0x20 [ 258.148345] ? ksys_ioctl+0x81/0xd0 [ 258.151991] ? do_syscall_64+0x1b9/0x820 [ 258.156057] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 258.161426] ? syscall_return_slowpath+0x5e0/0x5e0 [ 258.166362] ? trace_hardirqs_off+0x300/0x300 [ 258.170861] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 258.175886] ? recalc_sigpending_tsk+0x180/0x180 [ 258.180645] ? kasan_check_write+0x14/0x20 [ 258.184893] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.189926] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 258.195321] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 258.195392] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.202170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.202195] Workqueue: (null) (events) [ 258.202215] Call Trace: [ 258.208790] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.218052] [ 258.222881] syz-executor1 cpuset= [ 258.225468] dump_stack+0x1c4/0x2b4 [ 258.235935] syz1 [ 258.238085] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.241525] mems_allowed=0 [ 258.245156] warn_alloc.cold.118+0xb7/0x1bd [ 258.259516] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 258.264366] ? lock_downgrade+0x900/0x900 [ 258.268530] ? trace_hardirqs_off+0xb8/0x300 [ 258.272949] ? trace_hardirqs_off+0xb8/0x300 [ 258.277381] __alloc_pages_slowpath+0x2667/0x2d80 [ 258.282260] ? warn_alloc+0x120/0x120 [ 258.286072] ? warn_alloc+0x120/0x120 [ 258.289878] ? print_usage_bug+0xc0/0xc0 [ 258.293945] ? warn_alloc+0x120/0x120 [ 258.297759] ? print_usage_bug+0xc0/0xc0 [ 258.301828] ? __lock_acquire+0x7ec/0x4ec0 [ 258.306067] ? __lock_acquire+0x7ec/0x4ec0 [ 258.310312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.315856] ? should_fail+0x22d/0xd01 [ 258.319751] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.324861] ? __lock_acquire+0x7ec/0x4ec0 [ 258.329106] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.334209] ? __lock_acquire+0x7ec/0x4ec0 [ 258.338445] ? should_fail+0x22d/0xd01 [ 258.342352] ? mark_held_locks+0x130/0x130 [ 258.346598] ? mark_held_locks+0x130/0x130 [ 258.350842] ? graph_lock+0x170/0x170 [ 258.354649] ? graph_lock+0x170/0x170 [ 258.358458] ? graph_lock+0x170/0x170 [ 258.362260] ? print_usage_bug+0xc0/0xc0 [ 258.366327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.371869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.377408] ? check_preemption_disabled+0x48/0x200 [ 258.382425] ? check_preemption_disabled+0x48/0x200 [ 258.387458] ? __lock_is_held+0xb5/0x140 [ 258.391531] __alloc_pages_nodemask+0xa80/0xde0 [ 258.396205] ? graph_lock+0x170/0x170 [ 258.400019] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 258.405041] ? graph_lock+0x170/0x170 [ 258.408863] ? find_held_lock+0x36/0x1c0 [ 258.412937] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.417619] ? lock_downgrade+0x900/0x900 [ 258.421783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.427331] cache_grow_begin+0x91/0x8c0 [ 258.431424] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.435845] fallback_alloc+0x203/0x2e0 [ 258.439836] ____cache_alloc_node+0x1c7/0x1e0 [ 258.444347] kmem_cache_alloc_node+0xe3/0x730 [ 258.448851] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.453099] __alloc_skb+0x119/0x770 [ 258.456823] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.462119] ? skb_scrub_packet+0x490/0x490 [ 258.466443] ? lock_downgrade+0x900/0x900 [ 258.470601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.476143] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.481601] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.487055] ? addrconf_rs_timer+0x6f0/0x6f0 [ 258.491483] ndisc_alloc_skb+0x144/0x340 [ 258.495559] ndisc_send_rs+0x331/0x6e0 [ 258.499460] addrconf_rs_timer+0x3c0/0x6f0 [ 258.503711] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.507965] call_timer_fn+0x272/0x920 [ 258.511868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.516110] ? process_timeout+0x40/0x40 [ 258.520174] ? find_held_lock+0x36/0x1c0 [ 258.524254] ? __run_timers+0x7da/0xc70 [ 258.528236] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.532736] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.537237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.541475] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 258.546066] ? trace_hardirqs_on+0xbd/0x310 [ 258.550392] ? kasan_check_read+0x11/0x20 [ 258.554547] ? __run_timers+0x7da/0xc70 [ 258.558528] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.563995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.568247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.572487] __run_timers+0x7e5/0xc70 [ 258.576308] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 258.581680] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.586707] ? graph_lock+0x170/0x170 [ 258.590516] ? enqueue_hrtimer+0x1a5/0x560 [ 258.594751] ? lock_release+0x970/0x970 [ 258.598734] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.603933] ? find_held_lock+0x36/0x1c0 [ 258.608020] ? pvclock_read_flags+0x160/0x160 [ 258.612523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.618066] ? check_preemption_disabled+0x48/0x200 [ 258.623097] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 258.628639] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.633924] ? rcu_pm_notify+0xc0/0xc0 [ 258.637818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.643362] ? check_preemption_disabled+0x48/0x200 [ 258.648393] run_timer_softirq+0x52/0xb0 [ 258.652461] ? rcu_read_lock_sched_held+0x108/0x120 [ 258.657489] __do_softirq+0x30b/0xad8 [ 258.661315] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.666430] ? pvclock_read_flags+0x160/0x160 [ 258.670933] ? lapic_next_event+0x5a/0x90 [ 258.675095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.680639] ? check_preemption_disabled+0x48/0x200 [ 258.685662] ? check_preemption_disabled+0x48/0x200 [ 258.690688] ? kvm_clock_read+0x18/0x30 [ 258.694665] ? kvm_sched_clock_read+0x9/0x20 [ 258.699083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.704622] ? check_preemption_disabled+0x48/0x200 [ 258.709658] irq_exit+0x17f/0x1c0 [ 258.713126] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.717982] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.723871] ? interrupt_entry+0xb5/0xf0 [ 258.727940] ? trace_hardirqs_off_caller+0xbb/0x300 [ 258.732967] ? trace_hardirqs_off_caller+0xbb/0x300 [ 258.738012] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.742857] ? trace_hardirqs_off+0x300/0x300 [ 258.747357] ? trace_hardirqs_off+0x300/0x300 [ 258.751861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.757405] ? check_preemption_disabled+0x48/0x200 [ 258.762422] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.767986] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.772846] apic_timer_interrupt+0xf/0x20 [ 258.777082] [ 258.779327] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 258.784436] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 258.803340] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 258.811062] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 258.818333] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 258.825608] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 258.832878] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 258.840156] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 258.847465] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.851976] finish_task_switch+0x1f5/0x900 [ 258.856305] ? finish_task_switch+0x1b5/0x900 [ 258.860804] ? __switch_to_asm+0x34/0x70 [ 258.864874] ? preempt_notifier_register+0x200/0x200 [ 258.869991] ? __switch_to_asm+0x34/0x70 [ 258.874058] ? __switch_to_asm+0x34/0x70 [ 258.878123] ? __switch_to_asm+0x40/0x70 [ 258.882187] ? __switch_to_asm+0x34/0x70 [ 258.886249] ? __switch_to_asm+0x40/0x70 [ 258.890317] ? __switch_to_asm+0x34/0x70 [ 258.894381] ? __switch_to_asm+0x40/0x70 [ 258.898447] ? __switch_to_asm+0x34/0x70 [ 258.902514] ? __switch_to_asm+0x40/0x70 [ 258.906580] ? __switch_to_asm+0x34/0x70 [ 258.910647] ? __switch_to_asm+0x40/0x70 [ 258.914708] ? __switch_to_asm+0x34/0x70 [ 258.918773] ? __switch_to_asm+0x40/0x70 [ 258.922837] ? __switch_to_asm+0x34/0x70 [ 258.926902] ? __switch_to_asm+0x40/0x70 [ 258.930993] __schedule+0x874/0x1ed0 [ 258.934719] ? lockdep_hardirqs_on+0x421/0x5c0 [ 258.939322] ? __sched_text_start+0x8/0x8 [ 258.943510] ? graph_lock+0x170/0x170 [ 258.947323] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.952096] ? lockdep_hardirqs_on+0x421/0x5c0 [ 258.956692] ? retint_kernel+0x2d/0x2d [ 258.960593] ? find_held_lock+0x36/0x1c0 [ 258.964673] schedule+0xfe/0x460 [ 258.968050] ? __schedule+0x1ed0/0x1ed0 [ 258.972035] ? lockdep_hardirqs_on+0x421/0x5c0 [ 258.976628] ? trace_hardirqs_on+0xbd/0x310 [ 258.980950] ? kasan_check_read+0x11/0x20 [ 258.985107] ? worker_thread+0x3ca/0x1390 [ 258.989266] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.994723] ? kasan_check_write+0x14/0x20 [ 258.998966] ? do_raw_spin_lock+0xc1/0x200 [ 259.003225] worker_thread+0x3cf/0x1390 [ 259.007205] ? __switch_to_asm+0x34/0x70 [ 259.011286] ? process_one_work+0x1b90/0x1b90 [ 259.015795] ? graph_lock+0x170/0x170 [ 259.019610] ? __sched_text_start+0x8/0x8 [ 259.023783] ? find_held_lock+0x36/0x1c0 [ 259.027861] ? __kthread_parkme+0xce/0x1a0 [ 259.032104] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 259.037207] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 259.042311] ? lockdep_hardirqs_on+0x421/0x5c0 [ 259.046896] ? trace_hardirqs_on+0xbd/0x310 [ 259.051218] ? kasan_check_read+0x11/0x20 [ 259.055368] ? __kthread_parkme+0xce/0x1a0 [ 259.059621] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.065080] ? kasan_check_write+0x14/0x20 [ 259.069323] ? do_raw_spin_lock+0xc1/0x200 [ 259.073569] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 259.078687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.084227] ? __kthread_parkme+0xfb/0x1a0 [ 259.088472] kthread+0x35a/0x420 [ 259.091856] ? process_one_work+0x1b90/0x1b90 [ 259.096354] ? kthread_bind+0x40/0x40 [ 259.100164] ret_from_fork+0x3a/0x50 [ 259.103896] warn_alloc_show_mem: 1 callbacks suppressed [ 259.103908] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 259.103910] Mem-Info: [ 259.103942] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 259.103942] active_file:13 inactive_file:18 isolated_file:0 [ 259.103942] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.103942] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 259.103942] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 259.103942] free:13747 free_pcp:307 free_cma:0 [ 259.109284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.109293] Call Trace: [ 259.116490] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 259.118894] [ 259.151845] Node 0 [ 259.161200] dump_stack+0x1c4/0x2b4 [ 259.163802] 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 [ 259.191460] ? dump_stack_print_info.cold.2+0x52/0x52 [ 259.193588] lowmem_reserve[]: [ 259.195831] warn_alloc.cold.118+0xb7/0x1bd [ 259.199419] 0 2815 [ 259.224927] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.230181] 6318 [ 259.233281] ? lock_downgrade+0x900/0x900 [ 259.237574] 6318 [ 259.239820] ? trace_hardirqs_off+0xb8/0x300 [ 259.244659] Node 0 [ 259.246723] ? trace_hardirqs_off+0xb8/0x300 [ 259.250870] DMA32 free:25280kB 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 [ 259.252909] __alloc_pages_slowpath+0x2667/0x2d80 [ 259.257291] lowmem_reserve[]: [ 259.259549] ? warn_alloc+0x120/0x120 [ 259.263902] 0 0 [ 259.290885] ? trace_hardirqs_on+0x310/0x310 [ 259.295696] 3503 3503 [ 259.298804] ? warn_alloc+0x120/0x120 [ 259.304560] ? print_usage_bug+0xc0/0xc0 [ 259.308943] Node 0 [ 259.311456] ? warn_alloc+0x120/0x120 [ 259.315260] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 259.319291] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 259.321495] lowmem_reserve[]: 0 [ 259.325311] ? print_usage_bug+0xc0/0xc0 [ 259.353649] 0 0 [ 259.358667] ? __lock_acquire+0x7ec/0x4ec0 [ 259.361933] 0 [ 259.365997] ? __lock_acquire+0x7ec/0x4ec0 [ 259.367951] Node 0 [ 259.372203] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.373990] DMA: [ 259.378220] ? should_fail+0x22d/0xd01 [ 259.380431] 1*4kB [ 259.385974] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.388010] (U) [ 259.391890] ? __lock_acquire+0x7ec/0x4ec0 [ 259.394034] 0*8kB [ 259.399161] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.401125] 0*16kB [ 259.405349] ? __lock_acquire+0x7ec/0x4ec0 [ 259.407488] 1*32kB [ 259.412594] ? should_fail+0x22d/0xd01 [ 259.414813] (U) [ 259.419088] ? print_usage_bug+0xc0/0xc0 [ 259.419111] ? mark_held_locks+0x130/0x130 [ 259.421324] 2*64kB [ 259.425217] ? mark_held_locks+0x130/0x130 [ 259.427173] (U) [ 259.431234] ? graph_lock+0x170/0x170 [ 259.435443] 1*128kB [ 259.437696] ? print_usage_bug+0xc0/0xc0 [ 259.441907] (U) [ 259.443883] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.447660] 1*256kB [ 259.449992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.454029] (U) [ 259.456006] ? check_preemption_disabled+0x48/0x200 [ 259.460741] 0*512kB [ 259.463059] ? check_preemption_disabled+0x48/0x200 [ 259.468575] 1*1024kB [ 259.470555] ? __lock_is_held+0xb5/0x140 [ 259.475543] (U) [ 259.477866] __alloc_pages_nodemask+0xa80/0xde0 [ 259.482859] 1*2048kB [ 259.485263] ? graph_lock+0x170/0x170 [ 259.489301] (M) [ 259.491278] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.495924] 3*4096kB [ 259.498329] ? graph_lock+0x170/0x170 [ 259.502106] (M) [ 259.504092] ? find_held_lock+0x36/0x1c0 [ 259.509087] = 15908kB [ 259.509097] Node 0 [ 259.511512] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.515278] DMA32: 4*4kB [ 259.517260] ? lock_downgrade+0x900/0x900 [ 259.521299] (UM) [ 259.523724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.525931] 2*8kB (M) [ 259.530610] cache_grow_begin+0x91/0x8c0 [ 259.533342] 2*16kB (UM) [ 259.537507] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.539549] 2*32kB [ 259.545080] fallback_alloc+0x203/0x2e0 [ 259.547549] (UM) [ 259.551608] ____cache_alloc_node+0x1c7/0x1e0 [ 259.554253] 3*64kB [ 259.558682] kmem_cache_alloc_node+0xe3/0x730 [ 259.560895] (UM) [ 259.564863] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.566898] 3*128kB (M) [ 259.571406] __alloc_skb+0x119/0x770 [ 259.573636] 2*256kB [ 259.578130] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.580170] (M) [ 259.584399] ? skb_scrub_packet+0x490/0x490 [ 259.587073] 3*512kB [ 259.590780] ? lock_downgrade+0x900/0x900 [ 259.593088] (M) [ 259.598374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.600335] 4*1024kB (UM) [ 259.604664] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.606958] 3*2048kB (UM) 3*4096kB [ 259.611118] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.613075] (M) [ 259.618620] ? addrconf_rs_timer+0x6f0/0x6f0 [ 259.621448] = 25280kB [ 259.621456] Node 0 [ 259.626916] ndisc_alloc_skb+0x144/0x340 [ 259.630511] Normal: [ 259.635968] ndisc_send_rs+0x331/0x6e0 [ 259.637922] 876*4kB [ 259.642353] addrconf_rs_timer+0x3c0/0x6f0 [ 259.644738] (UME) [ 259.646980] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.651012] 393*8kB (UMEH) [ 259.653365] call_timer_fn+0x272/0x920 [ 259.657233] 183*16kB [ 259.659550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.663775] (UMEH) [ 259.665922] ? process_timeout+0x40/0x40 [ 259.670133] 70*32kB [ 259.673068] ? find_held_lock+0x36/0x1c0 [ 259.676931] (UMEH) [ 259.679361] ? __run_timers+0x7da/0xc70 [ 259.683569] 13*64kB [ 259.685807] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.689845] (UMH) [ 259.692168] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.696204] 3*128kB (UH) [ 259.698449] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.702396] 3*256kB (H) [ 259.704725] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 259.709197] 0*512kB [ 259.711344] ? trace_hardirqs_on+0xbd/0x310 [ 259.715820] 0*1024kB [ 259.718577] ? kasan_check_read+0x11/0x20 [ 259.722786] 0*2048kB 0*4096kB [ 259.725464] ? __run_timers+0x7da/0xc70 [ 259.730025] = 13800kB [ 259.732344] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.736649] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 259.739051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.743185] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 259.746369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.750323] 410 total pagecache pages [ 259.752727] __run_timers+0x7e5/0xc70 [ 259.758170] 0 pages in swap cache [ 259.767009] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 259.771210] Swap cache stats: add 0, delete 0, find 0/0 [ 259.771220] Free swap = 0kB [ 259.779792] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 259.784007] Total swap = 0kB [ 259.787803] ? graph_lock+0x170/0x170 [ 259.791583] 1965979 pages RAM [ 259.795035] ? enqueue_hrtimer+0x1a5/0x560 [ 259.800370] 0 pages HighMem/MovableOnly [ 259.800380] 343323 pages reserved [ 259.805752] ? lock_release+0x970/0x970 [ 259.808749] 0 pages cma reserved [ 259.813760] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 259.816863] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.820568] ? find_held_lock+0x36/0x1c0 [ 259.823715] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.827891] ? graph_lock+0x170/0x170 [ 259.831844] kworker/0:1 cpuset= [ 259.835295] ? pvclock_read_flags+0x160/0x160 [ 259.839244] / [ 259.842604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.847771] mems_allowed=0 [ 259.854253] ? check_preemption_disabled+0x48/0x200 [ 259.895292] ? __lock_is_held+0xb5/0x140 [ 259.899359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.904901] ? check_preemption_disabled+0x48/0x200 [ 259.909925] run_timer_softirq+0x52/0xb0 [ 259.913994] ? rcu_read_lock_sched_held+0x108/0x120 [ 259.919032] __do_softirq+0x30b/0xad8 [ 259.922845] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 259.927963] ? pvclock_read_flags+0x160/0x160 [ 259.932467] ? lapic_next_event+0x5a/0x90 [ 259.936628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.942168] ? check_preemption_disabled+0x48/0x200 [ 259.947184] ? check_preemption_disabled+0x48/0x200 [ 259.952211] ? kvm_clock_read+0x18/0x30 [ 259.956192] ? kvm_sched_clock_read+0x9/0x20 [ 259.960608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.966146] ? check_preemption_disabled+0x48/0x200 [ 259.971181] irq_exit+0x17f/0x1c0 [ 259.974645] smp_apic_timer_interrupt+0x1cb/0x760 [ 259.979498] ? smp_reschedule_interrupt+0x109/0x650 [ 259.984547] ? smp_call_function_single_interrupt+0x650/0x650 [ 259.990438] ? interrupt_entry+0xb5/0xf0 [ 259.994510] ? trace_hardirqs_off_caller+0xbb/0x300 [ 259.999531] ? trace_hardirqs_off_caller+0xbb/0x300 [ 260.004552] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.009396] ? trace_hardirqs_off+0x300/0x300 [ 260.013891] ? trace_hardirqs_off+0x300/0x300 [ 260.018388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.023927] ? check_preemption_disabled+0x48/0x200 [ 260.029152] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.034008] apic_timer_interrupt+0xf/0x20 [ 260.038241] [ 260.040487] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 260.045416] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 260.064328] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 260.072039] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 260.079308] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 260.086573] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 260.093839] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 260.101108] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 260.108421] skb_clone+0x1bb/0x500 [ 260.111989] ? skb_split+0x11e0/0x11e0 [ 260.115884] ? preempt_notifier_register+0x200/0x200 [ 260.120989] ? __switch_to_asm+0x34/0x70 [ 260.125051] ? __switch_to_asm+0x34/0x70 [ 260.129118] ? __switch_to_asm+0x40/0x70 [ 260.133176] ? __switch_to_asm+0x34/0x70 [ 260.137756] ? __switch_to_asm+0x40/0x70 [ 260.141818] ? __switch_to_asm+0x40/0x70 [ 260.145969] ? __switch_to_asm+0x34/0x70 [ 260.150030] ? __switch_to_asm+0x34/0x70 [ 260.154092] ? __switch_to_asm+0x40/0x70 [ 260.158165] ? __switch_to_asm+0x34/0x70 [ 260.162240] bpf_clone_redirect+0xb9/0x490 [ 260.166491] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 260.171515] ? __sched_text_start+0x8/0x8 [ 260.175673] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 260.180440] ? find_held_lock+0x36/0x1c0 [ 260.184518] ? lock_acquire+0x1ed/0x520 [ 260.188495] ? bpf_test_run+0x32e/0x5a0 [ 260.192482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.198021] ? check_preemption_disabled+0x48/0x200 [ 260.203043] ? kasan_check_read+0x11/0x20 [ 260.207199] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.212484] ? rcu_bh_qs+0xc0/0xc0 [ 260.216030] ? preempt_schedule+0x4d/0x60 [ 260.220196] ? ___preempt_schedule+0x16/0x18 [ 260.224627] ? bpf_test_run+0x1c0/0x5a0 [ 260.228613] ? netlink_diag_dump+0x2a0/0x2a0 [ 260.233039] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.238577] ? bpf_test_init.isra.9+0x70/0x100 [ 260.243170] ? bpf_prog_test_run_skb+0x634/0xb40 [ 260.247936] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.252791] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 260.258340] ? fput+0x130/0x1a0 [ 260.261635] ? __bpf_prog_get+0x9b/0x290 [ 260.265703] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.270548] ? bpf_prog_test_run+0x130/0x1a0 [ 260.274972] ? __x64_sys_bpf+0x3d8/0x510 [ 260.279040] ? bpf_prog_get+0x20/0x20 [ 260.282848] ? ksys_ioctl+0x81/0xd0 [ 260.286503] ? do_syscall_64+0x1b9/0x820 [ 260.290565] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 260.295944] ? syscall_return_slowpath+0x5e0/0x5e0 [ 260.300890] ? trace_hardirqs_off+0x300/0x300 [ 260.305388] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 260.310405] ? recalc_sigpending_tsk+0x180/0x180 [ 260.315189] ? kasan_check_write+0x14/0x20 [ 260.319436] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.324308] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 260.329690] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 260.329759] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.336539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.336562] Workqueue: (null) [ 260.343135] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.352374] (events) [ 260.356427] syz-executor1 cpuset= [ 260.366898] Call Trace: [ 260.369301] syz1 [ 260.372747] [ 260.375321] mems_allowed=0 [ 260.377294] dump_stack+0x1c4/0x2b4 [ 260.385965] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.391179] warn_alloc.cold.118+0xb7/0x1bd [ 260.395507] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.400359] ? lock_downgrade+0x900/0x900 [ 260.404519] ? trace_hardirqs_off+0xb8/0x300 [ 260.408936] ? trace_hardirqs_off+0xb8/0x300 [ 260.413374] __alloc_pages_slowpath+0x2667/0x2d80 [ 260.418272] ? warn_alloc+0x120/0x120 [ 260.422081] ? warn_alloc+0x120/0x120 [ 260.425900] ? print_usage_bug+0xc0/0xc0 [ 260.429964] ? warn_alloc+0x120/0x120 [ 260.433774] ? print_usage_bug+0xc0/0xc0 [ 260.437840] ? __lock_acquire+0x7ec/0x4ec0 [ 260.442075] ? __lock_acquire+0x7ec/0x4ec0 [ 260.446317] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.451854] ? should_fail+0x22d/0xd01 [ 260.455747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.460852] ? __lock_acquire+0x7ec/0x4ec0 [ 260.465093] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.470203] ? __lock_acquire+0x7ec/0x4ec0 [ 260.474435] ? should_fail+0x22d/0xd01 [ 260.478361] ? mark_held_locks+0x130/0x130 [ 260.482608] ? mark_held_locks+0x130/0x130 [ 260.486851] ? graph_lock+0x170/0x170 [ 260.490655] ? graph_lock+0x170/0x170 [ 260.494460] ? graph_lock+0x170/0x170 [ 260.498265] ? print_usage_bug+0xc0/0xc0 [ 260.502330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.507883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.513423] ? check_preemption_disabled+0x48/0x200 [ 260.518461] ? check_preemption_disabled+0x48/0x200 [ 260.523493] ? __lock_is_held+0xb5/0x140 [ 260.527565] __alloc_pages_nodemask+0xa80/0xde0 [ 260.532241] ? graph_lock+0x170/0x170 [ 260.536052] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 260.541071] ? graph_lock+0x170/0x170 [ 260.544886] ? find_held_lock+0x36/0x1c0 [ 260.548962] ? ____cache_alloc_node+0x1c7/0x1e0 [ 260.553644] ? lock_downgrade+0x900/0x900 [ 260.557799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.563353] cache_grow_begin+0x91/0x8c0 [ 260.567432] ? do_raw_spin_unlock+0xa7/0x2f0 [ 260.571861] fallback_alloc+0x203/0x2e0 [ 260.575843] ____cache_alloc_node+0x1c7/0x1e0 [ 260.580346] kmem_cache_alloc_node+0xe3/0x730 [ 260.584860] ? ipv6_get_ifaddr+0x42e/0x620 [ 260.589108] __alloc_skb+0x119/0x770 [ 260.592830] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.598120] ? skb_scrub_packet+0x490/0x490 [ 260.602443] ? lock_downgrade+0x900/0x900 [ 260.606620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.612159] ? refcount_sub_and_test_checked+0x203/0x310 [ 260.617655] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 260.623115] ? addrconf_rs_timer+0x6f0/0x6f0 [ 260.627557] ndisc_alloc_skb+0x144/0x340 [ 260.631642] ndisc_send_rs+0x331/0x6e0 [ 260.635539] addrconf_rs_timer+0x3c0/0x6f0 [ 260.639778] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.644033] call_timer_fn+0x272/0x920 [ 260.647920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.652157] ? process_timeout+0x40/0x40 [ 260.656226] ? find_held_lock+0x36/0x1c0 [ 260.660411] ? __run_timers+0x7da/0xc70 [ 260.664390] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.668886] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.673388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.677642] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 260.682231] ? trace_hardirqs_on+0xbd/0x310 [ 260.686552] ? kasan_check_read+0x11/0x20 [ 260.690703] ? __run_timers+0x7da/0xc70 [ 260.694681] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.700139] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.704385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.708622] __run_timers+0x7e5/0xc70 [ 260.712454] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 260.717825] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 260.722848] ? graph_lock+0x170/0x170 [ 260.726657] ? enqueue_hrtimer+0x1a5/0x560 [ 260.730895] ? lock_release+0x970/0x970 [ 260.734872] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 260.740082] ? find_held_lock+0x36/0x1c0 [ 260.744152] ? pvclock_read_flags+0x160/0x160 [ 260.748650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.754188] ? check_preemption_disabled+0x48/0x200 [ 260.759220] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 260.764762] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.770040] ? rcu_pm_notify+0xc0/0xc0 [ 260.773927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.779462] ? check_preemption_disabled+0x48/0x200 [ 260.784490] run_timer_softirq+0x52/0xb0 [ 260.788558] ? rcu_read_lock_sched_held+0x108/0x120 [ 260.793581] __do_softirq+0x30b/0xad8 [ 260.797411] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 260.802519] ? pvclock_read_flags+0x160/0x160 [ 260.807020] ? lapic_next_event+0x5a/0x90 [ 260.811170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.816708] ? check_preemption_disabled+0x48/0x200 [ 260.821720] ? check_preemption_disabled+0x48/0x200 [ 260.826745] ? kvm_clock_read+0x18/0x30 [ 260.830724] ? kvm_sched_clock_read+0x9/0x20 [ 260.835136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.840674] ? check_preemption_disabled+0x48/0x200 [ 260.845704] irq_exit+0x17f/0x1c0 [ 260.849177] smp_apic_timer_interrupt+0x1cb/0x760 [ 260.854027] ? smp_call_function_single_interrupt+0x650/0x650 [ 260.859918] ? interrupt_entry+0xb5/0xf0 [ 260.863990] ? trace_hardirqs_off_caller+0xbb/0x300 [ 260.869008] ? trace_hardirqs_off_caller+0xbb/0x300 [ 260.874025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.878884] ? trace_hardirqs_off+0x300/0x300 [ 260.883379] ? trace_hardirqs_off+0x300/0x300 [ 260.887874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.893426] ? check_preemption_disabled+0x48/0x200 [ 260.898443] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.904007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.908871] apic_timer_interrupt+0xf/0x20 [ 260.913101] [ 260.915341] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 260.920448] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 260.939348] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 260.947062] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 260.954330] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 260.961602] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 260.968880] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 260.976145] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 260.983446] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.987947] finish_task_switch+0x1f5/0x900 [ 260.992274] ? finish_task_switch+0x1b5/0x900 [ 260.996782] ? __switch_to_asm+0x34/0x70 [ 261.000869] ? preempt_notifier_register+0x200/0x200 [ 261.005982] ? __switch_to_asm+0x34/0x70 [ 261.010047] ? __switch_to_asm+0x34/0x70 [ 261.014112] ? __switch_to_asm+0x40/0x70 [ 261.018175] ? __switch_to_asm+0x34/0x70 [ 261.022234] ? __switch_to_asm+0x40/0x70 [ 261.026294] ? __switch_to_asm+0x34/0x70 [ 261.030353] ? __switch_to_asm+0x40/0x70 [ 261.034414] ? __switch_to_asm+0x34/0x70 [ 261.038479] ? __switch_to_asm+0x40/0x70 [ 261.042554] ? __switch_to_asm+0x34/0x70 [ 261.046624] ? __switch_to_asm+0x40/0x70 [ 261.050683] ? __switch_to_asm+0x34/0x70 [ 261.054748] ? __switch_to_asm+0x40/0x70 [ 261.058813] ? __switch_to_asm+0x34/0x70 [ 261.062872] ? __switch_to_asm+0x40/0x70 [ 261.066942] __schedule+0x874/0x1ed0 [ 261.070671] ? lockdep_hardirqs_on+0x421/0x5c0 [ 261.075278] ? __sched_text_start+0x8/0x8 [ 261.079437] ? graph_lock+0x170/0x170 [ 261.083247] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.088016] ? lockdep_hardirqs_on+0x421/0x5c0 [ 261.092609] ? retint_kernel+0x2d/0x2d [ 261.096517] ? find_held_lock+0x36/0x1c0 [ 261.100596] schedule+0xfe/0x460 [ 261.103967] ? __schedule+0x1ed0/0x1ed0 [ 261.107951] ? lockdep_hardirqs_on+0x421/0x5c0 [ 261.112544] ? trace_hardirqs_on+0xbd/0x310 [ 261.116864] ? kasan_check_read+0x11/0x20 [ 261.121016] ? worker_thread+0x3ca/0x1390 [ 261.125170] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.130632] ? kasan_check_write+0x14/0x20 [ 261.134878] ? do_raw_spin_lock+0xc1/0x200 [ 261.139123] worker_thread+0x3cf/0x1390 [ 261.143121] ? __switch_to_asm+0x34/0x70 [ 261.147198] ? process_one_work+0x1b90/0x1b90 [ 261.151698] ? graph_lock+0x170/0x170 [ 261.155508] ? __sched_text_start+0x8/0x8 [ 261.159665] ? find_held_lock+0x36/0x1c0 [ 261.163746] ? __kthread_parkme+0xce/0x1a0 [ 261.167990] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 261.173099] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 261.178203] ? lockdep_hardirqs_on+0x421/0x5c0 [ 261.182804] ? trace_hardirqs_on+0xbd/0x310 [ 261.187123] ? kasan_check_read+0x11/0x20 [ 261.191286] ? __kthread_parkme+0xce/0x1a0 [ 261.195538] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.201008] ? kasan_check_write+0x14/0x20 [ 261.205249] ? do_raw_spin_lock+0xc1/0x200 [ 261.209492] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.214595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.220132] ? __kthread_parkme+0xfb/0x1a0 [ 261.224373] kthread+0x35a/0x420 [ 261.227738] ? process_one_work+0x1b90/0x1b90 [ 261.232244] ? kthread_bind+0x40/0x40 [ 261.236052] ret_from_fork+0x3a/0x50 [ 261.239781] warn_alloc_show_mem: 1 callbacks suppressed [ 261.239794] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 261.239796] Mem-Info: [ 261.239827] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 261.239827] active_file:13 inactive_file:18 isolated_file:0 [ 261.239827] unevictable:0 dirty:0 writeback:0 unstable:0 [ 261.239827] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 261.239827] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 261.239827] free:13747 free_pcp:307 free_cma:0 [ 261.245163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.245172] Call Trace: [ 261.252380] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 261.254794] [ 261.287655] Node 0 [ 261.297006] dump_stack+0x1c4/0x2b4 [ 261.299594] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 261.327237] ? dump_stack_print_info.cold.2+0x52/0x52 [ 261.329356] lowmem_reserve[]: 0 [ 261.331612] warn_alloc.cold.118+0xb7/0x1bd [ 261.335201] 2815 6318 [ 261.360709] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.365882] 6318 [ 261.369162] ? lock_downgrade+0x900/0x900 [ 261.373460] Node 0 [ 261.375986] ? trace_hardirqs_off+0xb8/0x300 [ 261.380856] DMA32 free:25280kB 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 [ 261.382893] ? trace_hardirqs_off+0xb8/0x300 [ 261.387008] lowmem_reserve[]: 0 [ 261.389258] __alloc_pages_slowpath+0x2667/0x2d80 [ 261.393633] 0 3503 [ 261.420680] ? warn_alloc+0x120/0x120 [ 261.425042] 3503 [ 261.428316] ? trace_hardirqs_on+0x310/0x310 [ 261.435371] ? warn_alloc+0x120/0x120 [ 261.439150] Node 0 [ 261.441210] ? print_usage_bug+0xc0/0xc0 [ 261.445625] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 261.449395] ? warn_alloc+0x120/0x120 [ 261.451603] lowmem_reserve[]: 0 [ 261.455679] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 261.484020] 0 0 [ 261.487827] ? print_usage_bug+0xc0/0xc0 [ 261.491083] 0 [ 261.496096] ? __lock_acquire+0x7ec/0x4ec0 [ 261.502112] ? __lock_acquire+0x7ec/0x4ec0 [ 261.503893] Node 0 [ 261.508125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.512334] DMA: [ 261.514567] ? should_fail+0x22d/0xd01 [ 261.520079] 1*4kB [ 261.522141] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.526007] (U) [ 261.528153] ? __lock_acquire+0x7ec/0x4ec0 [ 261.533234] 0*8kB [ 261.535207] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.539412] 0*16kB 1*32kB [ 261.541581] ? __lock_acquire+0x7ec/0x4ec0 [ 261.546658] (U) [ 261.549503] ? should_fail+0x22d/0xd01 [ 261.553707] 2*64kB (U) [ 261.555690] ? print_usage_bug+0xc0/0xc0 [ 261.559554] 1*128kB [ 261.562138] ? mark_held_locks+0x130/0x130 [ 261.566171] (U) [ 261.568495] ? mark_held_locks+0x130/0x130 [ 261.572710] 1*256kB [ 261.574686] ? graph_lock+0x170/0x170 [ 261.578903] (U) [ 261.581221] ? print_usage_bug+0xc0/0xc0 [ 261.584999] 0*512kB [ 261.586978] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.591018] 1*1024kB [ 261.593340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.598073] (U) [ 261.600488] ? check_preemption_disabled+0x48/0x200 [ 261.605999] 1*2048kB (M) [ 261.608004] ? check_preemption_disabled+0x48/0x200 [ 261.612999] 3*4096kB [ 261.615755] ? __lock_is_held+0xb5/0x140 [ 261.620742] (M) [ 261.623154] __alloc_pages_nodemask+0xa80/0xde0 [ 261.627184] = 15908kB [ 261.627193] Node 0 [ 261.629168] ? graph_lock+0x170/0x170 [ 261.633807] DMA32: 4*4kB [ 261.636234] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 261.638451] (UM) [ 261.642249] ? graph_lock+0x170/0x170 [ 261.644991] 2*8kB [ 261.650019] ? find_held_lock+0x36/0x1c0 [ 261.652059] (M) [ 261.655857] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.657980] 2*16kB [ 261.662037] ? lock_downgrade+0x900/0x900 [ 261.663997] (UM) [ 261.668668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.670876] 2*32kB (UM) [ 261.675031] cache_grow_begin+0x91/0x8c0 [ 261.677072] 3*64kB [ 261.682601] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.685251] (UM) [ 261.689311] fallback_alloc+0x203/0x2e0 [ 261.691524] 3*128kB [ 261.695928] ____cache_alloc_node+0x1c7/0x1e0 [ 261.697961] (M) 2*256kB [ 261.701950] kmem_cache_alloc_node+0xe3/0x730 [ 261.704250] (M) [ 261.708745] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.711392] 3*512kB [ 261.715887] __alloc_skb+0x119/0x770 [ 261.717834] (M) [ 261.722070] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.724368] 4*1024kB [ 261.728075] ? skb_scrub_packet+0x490/0x490 [ 261.730031] (UM) [ 261.735305] ? lock_downgrade+0x900/0x900 [ 261.737695] 3*2048kB [ 261.742044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.744097] (UM) [ 261.748245] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.750636] 3*4096kB [ 261.756169] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.758212] (M) [ 261.763659] ? addrconf_rs_timer+0x6f0/0x6f0 [ 261.766057] = 25280kB [ 261.766070] Node 0 [ 261.771518] ndisc_alloc_skb+0x144/0x340 [ 261.773461] Normal: 876*4kB [ 261.777886] ndisc_send_rs+0x331/0x6e0 [ 261.780272] (UME) 393*8kB [ 261.782519] addrconf_rs_timer+0x3c0/0x6f0 [ 261.786553] (UMEH) [ 261.789585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.793446] 183*16kB [ 261.796296] call_timer_fn+0x272/0x920 [ 261.800502] (UMEH) [ 261.802748] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.806968] 70*32kB [ 261.809408] ? process_timeout+0x40/0x40 [ 261.813275] (UMEH) [ 261.815511] ? find_held_lock+0x36/0x1c0 [ 261.819724] 13*64kB [ 261.822049] ? __run_timers+0x7da/0xc70 [ 261.826083] (UMH) [ 261.828322] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.832357] 3*128kB [ 261.834676] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.838626] (UH) [ 261.840774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.845261] 3*256kB [ 261.847580] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 261.852049] (H) [ 261.854112] ? trace_hardirqs_on+0xbd/0x310 [ 261.858323] 0*512kB [ 261.860643] ? kasan_check_read+0x11/0x20 [ 261.865200] 0*1024kB 0*2048kB [ 261.867186] ? __run_timers+0x7da/0xc70 [ 261.871479] 0*4096kB = 13800kB [ 261.873810] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.877964] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 261.881156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.885118] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 261.888301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.893725] 410 total pagecache pages [ 261.902561] __run_timers+0x7e5/0xc70 [ 261.906783] 0 pages in swap cache [ 261.915362] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 261.919565] Swap cache stats: add 0, delete 0, find 0/0 [ 261.919574] Free swap = 0kB [ 261.923375] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 261.927150] Total swap = 0kB [ 261.930595] ? graph_lock+0x170/0x170 [ 261.935939] 1965979 pages RAM [ 261.941303] ? enqueue_hrtimer+0x1a5/0x560 [ 261.944299] 0 pages HighMem/MovableOnly [ 261.949311] ? lock_release+0x970/0x970 [ 261.952306] 343323 pages reserved [ 261.956101] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 261.959183] 0 pages cma reserved [ 261.963414] ? find_held_lock+0x36/0x1c0 [ 261.967440] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.971355] ? graph_lock+0x170/0x170 [ 261.974847] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.979993] ? pvclock_read_flags+0x160/0x160 [ 261.983343] kworker/0:1 cpuset= [ 261.987401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.993869] / [ 261.997663] ? check_preemption_disabled+0x48/0x200 [ 262.007953] mems_allowed=0 [ 262.012469] ? __lock_is_held+0xb5/0x140 [ 262.035168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.040709] ? check_preemption_disabled+0x48/0x200 [ 262.045739] run_timer_softirq+0x52/0xb0 [ 262.049803] ? rcu_read_lock_sched_held+0x108/0x120 [ 262.054826] __do_softirq+0x30b/0xad8 [ 262.058641] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 262.063752] ? pvclock_read_flags+0x160/0x160 [ 262.068249] ? lapic_next_event+0x5a/0x90 [ 262.072398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.077936] ? check_preemption_disabled+0x48/0x200 [ 262.082962] ? check_preemption_disabled+0x48/0x200 [ 262.087991] ? kvm_clock_read+0x18/0x30 [ 262.091972] ? kvm_sched_clock_read+0x9/0x20 [ 262.096387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.101925] ? check_preemption_disabled+0x48/0x200 [ 262.106958] irq_exit+0x17f/0x1c0 [ 262.110422] smp_apic_timer_interrupt+0x1cb/0x760 [ 262.115268] ? smp_reschedule_interrupt+0x109/0x650 [ 262.120287] ? smp_call_function_single_interrupt+0x650/0x650 [ 262.126174] ? interrupt_entry+0xb5/0xf0 [ 262.130237] ? trace_hardirqs_off_caller+0xbb/0x300 [ 262.135779] ? trace_hardirqs_off_caller+0xbb/0x300 [ 262.140801] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.145651] ? trace_hardirqs_off+0x300/0x300 [ 262.150161] ? trace_hardirqs_off+0x300/0x300 [ 262.154660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.160220] ? check_preemption_disabled+0x48/0x200 [ 262.165245] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.170100] apic_timer_interrupt+0xf/0x20 [ 262.174329] [ 262.176575] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 262.181517] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 262.200430] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 262.208170] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 262.215436] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 262.222703] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 262.229985] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 262.237257] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 262.244578] skb_clone+0x1bb/0x500 [ 262.248125] ? skb_split+0x11e0/0x11e0 [ 262.252019] ? preempt_notifier_register+0x200/0x200 [ 262.257121] ? __switch_to_asm+0x34/0x70 [ 262.261182] ? __switch_to_asm+0x34/0x70 [ 262.265245] ? __switch_to_asm+0x40/0x70 [ 262.269304] ? __switch_to_asm+0x34/0x70 [ 262.273367] ? __switch_to_asm+0x40/0x70 [ 262.277430] ? __switch_to_asm+0x40/0x70 [ 262.281492] ? __switch_to_asm+0x34/0x70 [ 262.285556] ? __switch_to_asm+0x34/0x70 [ 262.289616] ? __switch_to_asm+0x40/0x70 [ 262.293680] ? __switch_to_asm+0x34/0x70 [ 262.297749] bpf_clone_redirect+0xb9/0x490 [ 262.302021] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 262.307168] ? __sched_text_start+0x8/0x8 [ 262.311321] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.316096] ? find_held_lock+0x36/0x1c0 [ 262.320169] ? lock_acquire+0x1ed/0x520 [ 262.324144] ? bpf_test_run+0x32e/0x5a0 [ 262.328123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.333667] ? check_preemption_disabled+0x48/0x200 [ 262.338693] ? kasan_check_read+0x11/0x20 [ 262.342845] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.348135] ? rcu_bh_qs+0xc0/0xc0 [ 262.351694] ? preempt_schedule+0x4d/0x60 [ 262.355845] ? ___preempt_schedule+0x16/0x18 [ 262.360263] ? bpf_test_run+0x1c0/0x5a0 [ 262.364254] ? netlink_diag_dump+0x2a0/0x2a0 [ 262.368681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.374216] ? bpf_test_init.isra.9+0x70/0x100 [ 262.378805] ? bpf_prog_test_run_skb+0x634/0xb40 [ 262.383574] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.388417] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 262.393967] ? fput+0x130/0x1a0 [ 262.397258] ? __bpf_prog_get+0x9b/0x290 [ 262.401327] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.406173] ? bpf_prog_test_run+0x130/0x1a0 [ 262.410586] ? __x64_sys_bpf+0x3d8/0x510 [ 262.414652] ? bpf_prog_get+0x20/0x20 [ 262.418484] ? ksys_ioctl+0x81/0xd0 [ 262.422126] ? do_syscall_64+0x1b9/0x820 [ 262.426193] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 262.431559] ? syscall_return_slowpath+0x5e0/0x5e0 [ 262.436523] ? trace_hardirqs_off+0x300/0x300 [ 262.441028] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 262.446046] ? recalc_sigpending_tsk+0x180/0x180 [ 262.450807] ? kasan_check_write+0x14/0x20 [ 262.455056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.459913] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 262.465298] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 262.465368] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 262.472148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.472170] Workqueue: (null) (events) [ 262.472182] Call Trace: [ 262.472189] [ 262.472207] dump_stack+0x1c4/0x2b4 [ 262.472224] ? dump_stack_print_info.cold.2+0x52/0x52 [ 262.478809] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 262.488075] warn_alloc.cold.118+0xb7/0x1bd [ 262.492890] syz-executor1 cpuset= [ 262.495472] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.497611] syz1 [ 262.501239] ? lock_downgrade+0x900/0x900 [ 262.506410] mems_allowed=0 [ 262.516895] ? trace_hardirqs_off+0xb8/0x300 [ 262.542903] ? trace_hardirqs_off+0xb8/0x300 [ 262.547331] __alloc_pages_slowpath+0x2667/0x2d80 [ 262.552210] ? warn_alloc+0x120/0x120 [ 262.556024] ? warn_alloc+0x120/0x120 [ 262.559850] ? print_usage_bug+0xc0/0xc0 [ 262.563914] ? warn_alloc+0x120/0x120 [ 262.567717] ? print_usage_bug+0xc0/0xc0 [ 262.571794] ? __lock_acquire+0x7ec/0x4ec0 [ 262.576068] ? __lock_acquire+0x7ec/0x4ec0 [ 262.580312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.585877] ? should_fail+0x22d/0xd01 [ 262.589766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.594883] ? __lock_acquire+0x7ec/0x4ec0 [ 262.599152] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.604287] ? __lock_acquire+0x7ec/0x4ec0 [ 262.608560] ? should_fail+0x22d/0xd01 [ 262.612463] ? mark_held_locks+0x130/0x130 [ 262.616703] ? mark_held_locks+0x130/0x130 [ 262.620939] ? graph_lock+0x170/0x170 [ 262.624744] ? graph_lock+0x170/0x170 [ 262.628547] ? graph_lock+0x170/0x170 [ 262.632348] ? print_usage_bug+0xc0/0xc0 [ 262.636426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.641963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.647516] ? check_preemption_disabled+0x48/0x200 [ 262.652528] ? check_preemption_disabled+0x48/0x200 [ 262.657567] ? __lock_is_held+0xb5/0x140 [ 262.661641] __alloc_pages_nodemask+0xa80/0xde0 [ 262.666316] ? graph_lock+0x170/0x170 [ 262.670123] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 262.675142] ? graph_lock+0x170/0x170 [ 262.678955] ? find_held_lock+0x36/0x1c0 [ 262.683034] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.687706] ? lock_downgrade+0x900/0x900 [ 262.691864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.697409] cache_grow_begin+0x91/0x8c0 [ 262.701484] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.705905] fallback_alloc+0x203/0x2e0 [ 262.709885] ____cache_alloc_node+0x1c7/0x1e0 [ 262.714416] kmem_cache_alloc_node+0xe3/0x730 [ 262.718912] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.723160] __alloc_skb+0x119/0x770 [ 262.726881] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.732163] ? skb_scrub_packet+0x490/0x490 [ 262.736495] ? lock_downgrade+0x900/0x900 [ 262.740659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.746202] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.751656] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.757111] ? addrconf_rs_timer+0x6f0/0x6f0 [ 262.761534] ndisc_alloc_skb+0x144/0x340 [ 262.765601] ndisc_send_rs+0x331/0x6e0 [ 262.769525] addrconf_rs_timer+0x3c0/0x6f0 [ 262.773764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.778021] call_timer_fn+0x272/0x920 [ 262.781909] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.786157] ? process_timeout+0x40/0x40 [ 262.790238] ? find_held_lock+0x36/0x1c0 [ 262.794311] ? __run_timers+0x7da/0xc70 [ 262.798291] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.802785] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.807283] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.811526] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 262.816114] ? trace_hardirqs_on+0xbd/0x310 [ 262.820433] ? kasan_check_read+0x11/0x20 [ 262.824586] ? __run_timers+0x7da/0xc70 [ 262.828578] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.834035] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.838277] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.842551] __run_timers+0x7e5/0xc70 [ 262.846391] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 262.851761] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.856792] ? graph_lock+0x170/0x170 [ 262.860598] ? enqueue_hrtimer+0x1a5/0x560 [ 262.864835] ? lock_release+0x970/0x970 [ 262.868810] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 262.874016] ? find_held_lock+0x36/0x1c0 [ 262.878091] ? pvclock_read_flags+0x160/0x160 [ 262.882592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.888135] ? check_preemption_disabled+0x48/0x200 [ 262.893167] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 262.898709] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.903992] ? rcu_pm_notify+0xc0/0xc0 [ 262.907886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.913420] ? check_preemption_disabled+0x48/0x200 [ 262.918543] run_timer_softirq+0x52/0xb0 [ 262.922603] ? rcu_read_lock_sched_held+0x108/0x120 [ 262.927624] __do_softirq+0x30b/0xad8 [ 262.931449] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 262.936561] ? pvclock_read_flags+0x160/0x160 [ 262.941071] ? lapic_next_event+0x5a/0x90 [ 262.945224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.950759] ? check_preemption_disabled+0x48/0x200 [ 262.955783] ? check_preemption_disabled+0x48/0x200 [ 262.960820] ? kvm_clock_read+0x18/0x30 [ 262.964793] ? kvm_sched_clock_read+0x9/0x20 [ 262.969203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.974745] ? check_preemption_disabled+0x48/0x200 [ 262.979774] irq_exit+0x17f/0x1c0 [ 262.983244] smp_apic_timer_interrupt+0x1cb/0x760 [ 262.988092] ? smp_call_function_single_interrupt+0x650/0x650 [ 262.993983] ? interrupt_entry+0xb5/0xf0 [ 262.998054] ? trace_hardirqs_off_caller+0xbb/0x300 [ 263.003081] ? trace_hardirqs_off_caller+0xbb/0x300 [ 263.008104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.012950] ? trace_hardirqs_off+0x300/0x300 [ 263.017453] ? trace_hardirqs_off+0x300/0x300 [ 263.021957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.027503] ? check_preemption_disabled+0x48/0x200 [ 263.032522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.038083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.042938] apic_timer_interrupt+0xf/0x20 [ 263.047178] [ 263.049418] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 263.054531] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 263.073444] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 263.081171] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 263.088470] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 263.095738] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 263.103013] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 263.110293] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 263.117597] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.122100] finish_task_switch+0x1f5/0x900 [ 263.126426] ? finish_task_switch+0x1b5/0x900 [ 263.130936] ? __switch_to_asm+0x34/0x70 [ 263.135003] ? preempt_notifier_register+0x200/0x200 [ 263.140106] ? __switch_to_asm+0x34/0x70 [ 263.144166] ? __switch_to_asm+0x34/0x70 [ 263.148239] ? __switch_to_asm+0x40/0x70 [ 263.152308] ? __switch_to_asm+0x34/0x70 [ 263.156367] ? __switch_to_asm+0x40/0x70 [ 263.160427] ? __switch_to_asm+0x34/0x70 [ 263.164486] ? __switch_to_asm+0x40/0x70 [ 263.168547] ? __switch_to_asm+0x34/0x70 [ 263.172624] ? __switch_to_asm+0x40/0x70 [ 263.176686] ? __switch_to_asm+0x34/0x70 [ 263.180758] ? __switch_to_asm+0x40/0x70 [ 263.184817] ? __switch_to_asm+0x34/0x70 [ 263.188883] ? __switch_to_asm+0x40/0x70 [ 263.192963] ? __switch_to_asm+0x34/0x70 [ 263.197028] ? __switch_to_asm+0x40/0x70 [ 263.201096] __schedule+0x874/0x1ed0 [ 263.204903] ? lockdep_hardirqs_on+0x421/0x5c0 [ 263.209493] ? __sched_text_start+0x8/0x8 [ 263.213664] ? graph_lock+0x170/0x170 [ 263.217469] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 263.222251] ? lockdep_hardirqs_on+0x421/0x5c0 [ 263.226866] ? retint_kernel+0x2d/0x2d [ 263.230758] ? find_held_lock+0x36/0x1c0 [ 263.234838] schedule+0xfe/0x460 [ 263.238237] ? __schedule+0x1ed0/0x1ed0 [ 263.242216] ? lockdep_hardirqs_on+0x421/0x5c0 [ 263.246803] ? trace_hardirqs_on+0xbd/0x310 [ 263.251125] ? kasan_check_read+0x11/0x20 [ 263.255274] ? worker_thread+0x3ca/0x1390 [ 263.259423] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.264876] ? kasan_check_write+0x14/0x20 [ 263.269114] ? do_raw_spin_lock+0xc1/0x200 [ 263.273358] worker_thread+0x3cf/0x1390 [ 263.277332] ? __switch_to_asm+0x34/0x70 [ 263.281409] ? process_one_work+0x1b90/0x1b90 [ 263.285924] ? graph_lock+0x170/0x170 [ 263.289745] ? __sched_text_start+0x8/0x8 [ 263.293907] ? find_held_lock+0x36/0x1c0 [ 263.297984] ? __kthread_parkme+0xce/0x1a0 [ 263.302233] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 263.307336] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 263.312446] ? lockdep_hardirqs_on+0x421/0x5c0 [ 263.317038] ? trace_hardirqs_on+0xbd/0x310 [ 263.321358] ? kasan_check_read+0x11/0x20 [ 263.325507] ? __kthread_parkme+0xce/0x1a0 [ 263.329745] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.335200] ? kasan_check_write+0x14/0x20 [ 263.339462] ? do_raw_spin_lock+0xc1/0x200 [ 263.343734] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.348841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.354385] ? __kthread_parkme+0xfb/0x1a0 [ 263.358627] kthread+0x35a/0x420 [ 263.362008] ? process_one_work+0x1b90/0x1b90 [ 263.366502] ? kthread_bind+0x40/0x40 [ 263.370333] ret_from_fork+0x3a/0x50 [ 263.374062] warn_alloc_show_mem: 1 callbacks suppressed [ 263.374074] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 263.374076] Mem-Info: [ 263.374117] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 263.374117] active_file:13 inactive_file:18 isolated_file:0 [ 263.374117] unevictable:0 dirty:0 writeback:0 unstable:0 [ 263.374117] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 263.374117] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 263.374117] free:13747 free_pcp:307 free_cma:0 [ 263.379465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.379478] Call Trace: [ 263.386668] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 263.389071] [ 263.421936] Node 0 [ 263.431293] dump_stack+0x1c4/0x2b4 [ 263.433878] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 263.461523] ? dump_stack_print_info.cold.2+0x52/0x52 [ 263.463653] lowmem_reserve[]: [ 263.465895] warn_alloc.cold.118+0xb7/0x1bd [ 263.469492] 0 [ 263.495010] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 263.500176] 2815 [ 263.503280] ? lock_downgrade+0x900/0x900 [ 263.507578] 6318 [ 263.509380] ? trace_hardirqs_off+0xb8/0x300 [ 263.514199] 6318 [ 263.516260] ? trace_hardirqs_off+0xb8/0x300 [ 263.520387] Node 0 [ 263.522452] __alloc_pages_slowpath+0x2667/0x2d80 [ 263.526857] DMA32 free:25280kB 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 [ 263.528923] ? warn_alloc+0x120/0x120 [ 263.533286] lowmem_reserve[]: [ 263.535536] ? trace_hardirqs_on+0x310/0x310 [ 263.540365] 0 0 [ 263.567363] ? warn_alloc+0x120/0x120 [ 263.571137] 3503 3503 [ 263.574250] ? print_usage_bug+0xc0/0xc0 [ 263.578636] Node 0 [ 263.580610] ? warn_alloc+0x120/0x120 [ 263.584416] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 263.586888] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 263.590927] lowmem_reserve[]: [ 263.593178] ? print_usage_bug+0xc0/0xc0 [ 263.596950] 0 0 [ 263.625357] ? __lock_acquire+0x7ec/0x4ec0 [ 263.630352] 0 [ 263.633454] ? __lock_acquire+0x7ec/0x4ec0 [ 263.637494] 0 [ 263.639481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.643685] Node 0 [ 263.645514] ? should_fail+0x22d/0xd01 [ 263.649724] DMA: [ 263.651522] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.657045] 1*4kB [ 263.659280] ? __lock_acquire+0x7ec/0x4ec0 [ 263.663144] (U) [ 263.665210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.670286] 0*8kB [ 263.672433] ? __lock_acquire+0x7ec/0x4ec0 [ 263.676635] 0*16kB 1*32kB [ 263.678617] ? should_fail+0x22d/0xd01 [ 263.683695] (U) [ 263.685844] ? print_usage_bug+0xc0/0xc0 [ 263.690142] 2*64kB [ 263.693008] ? mark_held_locks+0x130/0x130 [ 263.696868] (U) [ 263.698843] ? mark_held_locks+0x130/0x130 [ 263.702874] 1*128kB (U) [ 263.705126] ? graph_lock+0x170/0x170 [ 263.709333] 1*256kB [ 263.711307] ? print_usage_bug+0xc0/0xc0 [ 263.715516] (U) [ 263.718204] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 263.721988] 0*512kB [ 263.724307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.728347] 1*1024kB [ 263.730320] ? check_preemption_disabled+0x48/0x200 [ 263.735054] (U) [ 263.737378] ? check_preemption_disabled+0x48/0x200 [ 263.742889] 1*2048kB (M) [ 263.745312] ? __lock_is_held+0xb5/0x140 [ 263.750302] 3*4096kB [ 263.752278] __alloc_pages_nodemask+0xa80/0xde0 [ 263.757269] (M) [ 263.760021] ? graph_lock+0x170/0x170 [ 263.764062] = 15908kB [ 263.766465] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.771113] Node 0 [ 263.773084] ? graph_lock+0x170/0x170 [ 263.776854] DMA32: 4*4kB [ 263.779275] ? find_held_lock+0x36/0x1c0 [ 263.784253] (UM) 2*8kB [ 263.786521] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.790293] (M) [ 263.793050] ? lock_downgrade+0x900/0x900 [ 263.797086] 2*16kB [ 263.799665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.804305] (UM) [ 263.806281] cache_grow_begin+0x91/0x8c0 [ 263.810401] 2*32kB (UM) [ 263.812645] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.818162] 3*64kB [ 263.820228] fallback_alloc+0x203/0x2e0 [ 263.824262] (UM) [ 263.826934] ____cache_alloc_node+0x1c7/0x1e0 [ 263.831317] 3*128kB [ 263.833549] kmem_cache_alloc_node+0xe3/0x730 [ 263.837492] (M) 2*256kB [ 263.839572] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.844046] (M) [ 263.846370] __alloc_skb+0x119/0x770 [ 263.850836] 3*512kB [ 263.853509] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.857709] (M) 4*1024kB [ 263.859691] ? skb_scrub_packet+0x490/0x490 [ 263.863383] (UM) [ 263.865704] ? lock_downgrade+0x900/0x900 [ 263.870952] 3*2048kB (UM) [ 263.873730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.878060] 3*4096kB (M) [ 263.880134] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.884251] = 25280kB [ 263.884260] Node 0 [ 263.887105] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.892614] Normal: 876*4kB [ 263.895392] ? addrconf_rs_timer+0x6f0/0x6f0 [ 263.900829] (UME) [ 263.903247] ndisc_alloc_skb+0x144/0x340 [ 263.905454] 393*8kB [ 263.910903] ndisc_send_rs+0x331/0x6e0 [ 263.913899] (UMEH) [ 263.918307] addrconf_rs_timer+0x3c0/0x6f0 [ 263.920432] 183*16kB [ 263.924495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.926788] (UMEH) [ 263.930696] call_timer_fn+0x272/0x920 [ 263.932906] 70*32kB [ 263.937134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.939525] (UMEH) [ 263.943758] ? process_timeout+0x40/0x40 [ 263.945966] 13*64kB (UMH) [ 263.949859] ? find_held_lock+0x36/0x1c0 [ 263.952158] 3*128kB (UH) [ 263.956400] ? __run_timers+0x7da/0xc70 [ 263.958603] 3*256kB (H) [ 263.962666] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.965490] 0*512kB [ 263.969542] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.972276] 0*1024kB [ 263.976244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.978889] 0*2048kB 0*4096kB [ 263.983410] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 263.985711] = 13800kB [ 263.990198] ? trace_hardirqs_on+0xbd/0x310 [ 263.992591] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 263.996821] ? kasan_check_read+0x11/0x20 [ 264.000002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 264.004616] ? __run_timers+0x7da/0xc70 [ 264.007018] 410 total pagecache pages [ 264.011337] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.020155] 0 pages in swap cache [ 264.024299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.033331] Swap cache stats: add 0, delete 0, find 0/0 [ 264.033341] Free swap = 0kB [ 264.037322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.041097] Total swap = 0kB [ 264.046541] __run_timers+0x7e5/0xc70 [ 264.049981] 1965979 pages RAM [ 264.054222] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 264.059545] 0 pages HighMem/MovableOnly [ 264.059555] 343323 pages reserved [ 264.062569] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 264.066778] 0 pages cma reserved [ 264.069789] ? graph_lock+0x170/0x170 [ 264.073627] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.076667] ? enqueue_hrtimer+0x1a5/0x560 [ 264.082099] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.085990] ? lock_release+0x970/0x970 [ 264.089509] kworker/0:1 cpuset= [ 264.094524] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 264.097882] / [ 264.101693] ? find_held_lock+0x36/0x1c0 [ 264.108159] mems_allowed=0 [ 264.112396] ? graph_lock+0x170/0x170 [ 264.147914] ? pvclock_read_flags+0x160/0x160 [ 264.152411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.157981] ? check_preemption_disabled+0x48/0x200 [ 264.163015] ? __lock_is_held+0xb5/0x140 [ 264.167083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.172620] ? check_preemption_disabled+0x48/0x200 [ 264.177653] run_timer_softirq+0x52/0xb0 [ 264.181742] ? rcu_read_lock_sched_held+0x108/0x120 [ 264.186775] __do_softirq+0x30b/0xad8 [ 264.190605] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 264.195711] ? pvclock_read_flags+0x160/0x160 [ 264.200204] ? lapic_next_event+0x5a/0x90 [ 264.204352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.209893] ? check_preemption_disabled+0x48/0x200 [ 264.214911] ? check_preemption_disabled+0x48/0x200 [ 264.219936] ? kvm_clock_read+0x18/0x30 [ 264.223918] ? kvm_sched_clock_read+0x9/0x20 [ 264.228333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.233873] ? check_preemption_disabled+0x48/0x200 [ 264.238903] irq_exit+0x17f/0x1c0 [ 264.242362] smp_apic_timer_interrupt+0x1cb/0x760 [ 264.247207] ? smp_reschedule_interrupt+0x109/0x650 [ 264.252227] ? smp_call_function_single_interrupt+0x650/0x650 [ 264.258112] ? interrupt_entry+0xb5/0xf0 [ 264.262175] ? trace_hardirqs_off_caller+0xbb/0x300 [ 264.267215] ? trace_hardirqs_off_caller+0xbb/0x300 [ 264.272236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.277082] ? trace_hardirqs_off+0x300/0x300 [ 264.281580] ? trace_hardirqs_off+0x300/0x300 [ 264.286083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.291623] ? check_preemption_disabled+0x48/0x200 [ 264.296647] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.301547] apic_timer_interrupt+0xf/0x20 [ 264.305786] [ 264.308037] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 264.312982] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 264.331885] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 264.339599] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 264.346868] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 264.354160] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 264.361451] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 264.368721] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 264.376026] skb_clone+0x1bb/0x500 [ 264.379568] ? skb_split+0x11e0/0x11e0 [ 264.383462] ? preempt_notifier_register+0x200/0x200 [ 264.388570] ? __switch_to_asm+0x34/0x70 [ 264.392630] ? __switch_to_asm+0x34/0x70 [ 264.396689] ? __switch_to_asm+0x40/0x70 [ 264.400747] ? __switch_to_asm+0x34/0x70 [ 264.404813] ? __switch_to_asm+0x40/0x70 [ 264.408879] ? __switch_to_asm+0x40/0x70 [ 264.412966] ? __switch_to_asm+0x34/0x70 [ 264.417035] ? __switch_to_asm+0x34/0x70 [ 264.421104] ? __switch_to_asm+0x40/0x70 [ 264.425170] ? __switch_to_asm+0x34/0x70 [ 264.429239] bpf_clone_redirect+0xb9/0x490 [ 264.433495] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 264.438513] ? __sched_text_start+0x8/0x8 [ 264.442664] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.447446] ? find_held_lock+0x36/0x1c0 [ 264.451519] ? lock_acquire+0x1ed/0x520 [ 264.455496] ? bpf_test_run+0x32e/0x5a0 [ 264.459506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.465075] ? check_preemption_disabled+0x48/0x200 [ 264.470102] ? kasan_check_read+0x11/0x20 [ 264.474255] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.479547] ? rcu_bh_qs+0xc0/0xc0 [ 264.483089] ? preempt_schedule+0x4d/0x60 [ 264.487237] ? ___preempt_schedule+0x16/0x18 [ 264.491681] ? bpf_test_run+0x1c0/0x5a0 [ 264.495681] ? netlink_diag_dump+0x2a0/0x2a0 [ 264.500093] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.505628] ? bpf_test_init.isra.9+0x70/0x100 [ 264.510214] ? bpf_prog_test_run_skb+0x634/0xb40 [ 264.514991] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 264.519835] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 264.525374] ? fput+0x130/0x1a0 [ 264.528658] ? __bpf_prog_get+0x9b/0x290 [ 264.532725] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 264.537571] ? bpf_prog_test_run+0x130/0x1a0 [ 264.542011] ? __x64_sys_bpf+0x3d8/0x510 [ 264.546090] ? bpf_prog_get+0x20/0x20 [ 264.549899] ? ksys_ioctl+0x81/0xd0 [ 264.553536] ? do_syscall_64+0x1b9/0x820 [ 264.557601] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 264.562974] ? syscall_return_slowpath+0x5e0/0x5e0 [ 264.567913] ? trace_hardirqs_off+0x300/0x300 [ 264.572410] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 264.577443] ? recalc_sigpending_tsk+0x180/0x180 [ 264.582205] ? kasan_check_write+0x14/0x20 [ 264.586462] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.591325] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 264.596711] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 264.596789] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.603555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.603578] Workqueue: (null) (events) [ 264.610164] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.619422] Call Trace: [ 264.624251] syz-executor1 cpuset= [ 264.634722] [ 264.637295] syz1 [ 264.640750] dump_stack+0x1c4/0x2b4 [ 264.642896] mems_allowed=0 [ 264.644867] ? dump_stack_print_info.cold.2+0x52/0x52 [ 264.656595] warn_alloc.cold.118+0xb7/0x1bd [ 264.660922] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.665767] ? lock_downgrade+0x900/0x900 [ 264.669922] ? trace_hardirqs_off+0xb8/0x300 [ 264.674339] ? trace_hardirqs_off+0xb8/0x300 [ 264.678761] __alloc_pages_slowpath+0x2667/0x2d80 [ 264.683639] ? warn_alloc+0x120/0x120 [ 264.687447] ? trace_hardirqs_on+0x310/0x310 [ 264.691856] ? warn_alloc+0x120/0x120 [ 264.695663] ? print_usage_bug+0xc0/0xc0 [ 264.699729] ? warn_alloc+0x120/0x120 [ 264.703544] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 264.708563] ? print_usage_bug+0xc0/0xc0 [ 264.712630] ? __lock_acquire+0x7ec/0x4ec0 [ 264.716866] ? __lock_acquire+0x7ec/0x4ec0 [ 264.721106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.726642] ? should_fail+0x22d/0xd01 [ 264.730535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.735638] ? __lock_acquire+0x7ec/0x4ec0 [ 264.739878] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.744987] ? __lock_acquire+0x7ec/0x4ec0 [ 264.749222] ? should_fail+0x22d/0xd01 [ 264.753112] ? print_usage_bug+0xc0/0xc0 [ 264.757186] ? mark_held_locks+0x130/0x130 [ 264.761426] ? mark_held_locks+0x130/0x130 [ 264.765686] ? graph_lock+0x170/0x170 [ 264.769503] ? print_usage_bug+0xc0/0xc0 [ 264.773578] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.778335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.783875] ? check_preemption_disabled+0x48/0x200 [ 264.788889] ? check_preemption_disabled+0x48/0x200 [ 264.793912] ? __lock_is_held+0xb5/0x140 [ 264.797990] __alloc_pages_nodemask+0xa80/0xde0 [ 264.802674] ? graph_lock+0x170/0x170 [ 264.806519] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 264.811733] ? graph_lock+0x170/0x170 [ 264.815545] ? find_held_lock+0x36/0x1c0 [ 264.819619] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.824290] ? lock_downgrade+0x900/0x900 [ 264.828463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.834017] cache_grow_begin+0x91/0x8c0 [ 264.838087] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.842505] fallback_alloc+0x203/0x2e0 [ 264.846499] ____cache_alloc_node+0x1c7/0x1e0 [ 264.851006] kmem_cache_alloc_node+0xe3/0x730 [ 264.855505] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.859750] __alloc_skb+0x119/0x770 [ 264.863463] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.868762] ? skb_scrub_packet+0x490/0x490 [ 264.873083] ? lock_downgrade+0x900/0x900 [ 264.877239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.882794] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.888250] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.893705] ? addrconf_rs_timer+0x6f0/0x6f0 [ 264.898151] ndisc_alloc_skb+0x144/0x340 [ 264.902224] ndisc_send_rs+0x331/0x6e0 [ 264.906119] addrconf_rs_timer+0x3c0/0x6f0 [ 264.910363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.914617] call_timer_fn+0x272/0x920 [ 264.918504] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.922756] ? process_timeout+0x40/0x40 [ 264.926816] ? find_held_lock+0x36/0x1c0 [ 264.930886] ? __run_timers+0x7da/0xc70 [ 264.934867] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.939374] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.943873] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.948111] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 264.952695] ? trace_hardirqs_on+0xbd/0x310 [ 264.957077] ? kasan_check_read+0x11/0x20 [ 264.961229] ? __run_timers+0x7da/0xc70 [ 264.965207] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.970666] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.974910] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.979145] __run_timers+0x7e5/0xc70 [ 264.982957] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 264.988339] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 264.993356] ? graph_lock+0x170/0x170 [ 264.997161] ? enqueue_hrtimer+0x1a5/0x560 [ 265.001400] ? lock_release+0x970/0x970 [ 265.005377] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.010588] ? find_held_lock+0x36/0x1c0 [ 265.014661] ? pvclock_read_flags+0x160/0x160 [ 265.019160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.024697] ? check_preemption_disabled+0x48/0x200 [ 265.029732] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 265.035271] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.040550] ? rcu_pm_notify+0xc0/0xc0 [ 265.044452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.049995] ? check_preemption_disabled+0x48/0x200 [ 265.055025] run_timer_softirq+0x52/0xb0 [ 265.059088] ? rcu_read_lock_sched_held+0x108/0x120 [ 265.064109] __do_softirq+0x30b/0xad8 [ 265.067922] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.073033] ? pvclock_read_flags+0x160/0x160 [ 265.077544] ? lapic_next_event+0x5a/0x90 [ 265.081692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.087232] ? check_preemption_disabled+0x48/0x200 [ 265.092247] ? check_preemption_disabled+0x48/0x200 [ 265.097269] ? kvm_clock_read+0x18/0x30 [ 265.101248] ? kvm_sched_clock_read+0x9/0x20 [ 265.105671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.111237] ? check_preemption_disabled+0x48/0x200 [ 265.116268] irq_exit+0x17f/0x1c0 [ 265.119727] smp_apic_timer_interrupt+0x1cb/0x760 [ 265.124577] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.130461] ? interrupt_entry+0xb5/0xf0 [ 265.134525] ? trace_hardirqs_off_caller+0xbb/0x300 [ 265.139538] ? trace_hardirqs_off_caller+0xbb/0x300 [ 265.144556] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.149399] ? trace_hardirqs_off+0x300/0x300 [ 265.153896] ? trace_hardirqs_off+0x300/0x300 [ 265.158407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.163958] ? check_preemption_disabled+0x48/0x200 [ 265.169006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.174566] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.179424] apic_timer_interrupt+0xf/0x20 [ 265.183675] [ 265.185930] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 265.191067] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 265.209969] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 265.217685] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 265.224952] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 265.232237] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 265.239504] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 265.246768] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 265.254064] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.258566] finish_task_switch+0x1f5/0x900 [ 265.262886] ? finish_task_switch+0x1b5/0x900 [ 265.267382] ? __switch_to_asm+0x34/0x70 [ 265.271462] ? preempt_notifier_register+0x200/0x200 [ 265.276563] ? __switch_to_asm+0x34/0x70 [ 265.280623] ? __switch_to_asm+0x34/0x70 [ 265.284680] ? __switch_to_asm+0x40/0x70 [ 265.288739] ? __switch_to_asm+0x34/0x70 [ 265.292796] ? __switch_to_asm+0x40/0x70 [ 265.296871] ? __switch_to_asm+0x34/0x70 [ 265.300983] ? __switch_to_asm+0x40/0x70 [ 265.305044] ? __switch_to_asm+0x34/0x70 [ 265.309106] ? __switch_to_asm+0x40/0x70 [ 265.313168] ? __switch_to_asm+0x34/0x70 [ 265.317228] ? __switch_to_asm+0x40/0x70 [ 265.321287] ? __switch_to_asm+0x34/0x70 [ 265.325360] ? __switch_to_asm+0x40/0x70 [ 265.329422] ? __switch_to_asm+0x34/0x70 [ 265.333479] ? __switch_to_asm+0x40/0x70 [ 265.337548] __schedule+0x874/0x1ed0 [ 265.341265] ? lockdep_hardirqs_on+0x421/0x5c0 [ 265.345880] ? __sched_text_start+0x8/0x8 [ 265.350050] ? graph_lock+0x170/0x170 [ 265.353858] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.358623] ? lockdep_hardirqs_on+0x421/0x5c0 [ 265.363207] ? retint_kernel+0x2d/0x2d [ 265.367100] ? find_held_lock+0x36/0x1c0 [ 265.371172] schedule+0xfe/0x460 [ 265.374557] ? __schedule+0x1ed0/0x1ed0 [ 265.378536] ? lockdep_hardirqs_on+0x421/0x5c0 [ 265.383122] ? trace_hardirqs_on+0xbd/0x310 [ 265.387446] ? kasan_check_read+0x11/0x20 [ 265.391595] ? worker_thread+0x3ca/0x1390 [ 265.395745] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.401202] ? kasan_check_write+0x14/0x20 [ 265.405438] ? do_raw_spin_lock+0xc1/0x200 [ 265.409690] worker_thread+0x3cf/0x1390 [ 265.413665] ? __switch_to_asm+0x34/0x70 [ 265.417760] ? process_one_work+0x1b90/0x1b90 [ 265.422261] ? graph_lock+0x170/0x170 [ 265.426073] ? __sched_text_start+0x8/0x8 [ 265.430230] ? find_held_lock+0x36/0x1c0 [ 265.434315] ? __kthread_parkme+0xce/0x1a0 [ 265.438554] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 265.443658] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 265.448762] ? lockdep_hardirqs_on+0x421/0x5c0 [ 265.453345] ? trace_hardirqs_on+0xbd/0x310 [ 265.457667] ? kasan_check_read+0x11/0x20 [ 265.461813] ? __kthread_parkme+0xce/0x1a0 [ 265.466052] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.471507] ? kasan_check_write+0x14/0x20 [ 265.475758] ? do_raw_spin_lock+0xc1/0x200 [ 265.480017] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 265.485126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.490681] ? __kthread_parkme+0xfb/0x1a0 [ 265.494933] kthread+0x35a/0x420 [ 265.498304] ? process_one_work+0x1b90/0x1b90 [ 265.502827] ? kthread_bind+0x40/0x40 [ 265.506658] ret_from_fork+0x3a/0x50 [ 265.510386] warn_alloc_show_mem: 1 callbacks suppressed [ 265.510398] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 265.510400] Mem-Info: [ 265.510456] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 265.510456] active_file:13 inactive_file:18 isolated_file:0 [ 265.510456] unevictable:0 dirty:0 writeback:0 unstable:0 [ 265.510456] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 265.510456] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 265.510456] free:13747 free_pcp:307 free_cma:0 [ 265.515791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.515800] Call Trace: [ 265.523018] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 265.525423] [ 265.558311] Node 0 [ 265.567669] dump_stack+0x1c4/0x2b4 [ 265.570263] 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 [ 265.597909] ? dump_stack_print_info.cold.2+0x52/0x52 [ 265.600044] lowmem_reserve[]: 0 [ 265.602293] warn_alloc.cold.118+0xb7/0x1bd [ 265.605886] 2815 6318 [ 265.631397] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.636559] 6318 [ 265.639844] ? lock_downgrade+0x900/0x900 [ 265.644144] Node 0 [ 265.646642] ? trace_hardirqs_off+0xb8/0x300 [ 265.651483] DMA32 free:25280kB 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 [ 265.653523] ? trace_hardirqs_off+0xb8/0x300 [ 265.657640] lowmem_reserve[]: 0 [ 265.659900] __alloc_pages_slowpath+0x2667/0x2d80 [ 265.664275] 0 3503 [ 265.691316] ? warn_alloc+0x120/0x120 [ 265.695671] 3503 [ 265.698942] ? trace_hardirqs_on+0x310/0x310 [ 265.706011] ? warn_alloc+0x120/0x120 [ 265.709802] Node 0 [ 265.711865] ? print_usage_bug+0xc0/0xc0 [ 265.716277] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 265.720048] ? warn_alloc+0x120/0x120 [ 265.722272] lowmem_reserve[]: 0 [ 265.726338] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 265.754682] 0 [ 265.758482] ? print_usage_bug+0xc0/0xc0 [ 265.761732] 0 [ 265.766740] ? __lock_acquire+0x7ec/0x4ec0 [ 265.768512] 0 [ 265.772576] ? __lock_acquire+0x7ec/0x4ec0 [ 265.774359] Node 0 [ 265.778599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.780389] DMA: [ 265.784636] ? should_fail+0x22d/0xd01 [ 265.786862] 1*4kB [ 265.792406] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.794445] (U) [ 265.798327] ? __lock_acquire+0x7ec/0x4ec0 [ 265.800498] 0*8kB [ 265.805608] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.807556] 0*16kB 1*32kB [ 265.811811] ? __lock_acquire+0x7ec/0x4ec0 [ 265.813940] (U) [ 265.819060] ? should_fail+0x22d/0xd01 [ 265.821886] 2*64kB [ 265.826114] ? print_usage_bug+0xc0/0xc0 [ 265.828067] (U) [ 265.831954] ? mark_held_locks+0x130/0x130 [ 265.834168] 1*128kB [ 265.838227] ? mark_held_locks+0x130/0x130 [ 265.840179] (U) [ 265.844417] ? graph_lock+0x170/0x170 [ 265.846716] 1*256kB [ 265.850989] ? print_usage_bug+0xc0/0xc0 [ 265.852978] (U) [ 265.856797] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.856814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.859121] 0*512kB [ 265.863179] ? check_preemption_disabled+0x48/0x200 [ 265.865139] 1*1024kB [ 265.869892] ? check_preemption_disabled+0x48/0x200 [ 265.875406] (U) [ 265.877729] ? __lock_is_held+0xb5/0x140 [ 265.882709] 1*2048kB (M) [ 265.885150] __alloc_pages_nodemask+0xa80/0xde0 [ 265.890149] 3*4096kB [ 265.892124] ? graph_lock+0x170/0x170 [ 265.896160] (M) = 15908kB [ 265.898931] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 265.903576] Node 0 [ 265.905988] ? graph_lock+0x170/0x170 [ 265.906014] ? find_held_lock+0x36/0x1c0 [ 265.909781] DMA32: 4*4kB [ 265.912549] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.917539] (UM) [ 265.919773] ? lock_downgrade+0x900/0x900 [ 265.923563] 2*8kB [ 265.927621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.930356] (M) [ 265.935021] cache_grow_begin+0x91/0x8c0 [ 265.937076] 2*16kB [ 265.941220] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.943346] (UM) [ 265.948886] fallback_alloc+0x203/0x2e0 [ 265.950859] 2*32kB [ 265.954919] ____cache_alloc_node+0x1c7/0x1e0 [ 265.957142] (UM) [ 265.961550] kmem_cache_alloc_node+0xe3/0x730 [ 265.963590] 3*64kB [ 265.967560] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.969771] (UM) [ 265.974268] __alloc_skb+0x119/0x770 [ 265.976304] 3*128kB [ 265.980801] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.983014] (M) [ 265.987243] ? skb_scrub_packet+0x490/0x490 [ 265.989311] 2*256kB [ 265.993017] ? lock_downgrade+0x900/0x900 [ 265.995310] (M) 3*512kB [ 266.000595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.002548] (M) [ 266.006867] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.009167] 4*1024kB [ 266.013326] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.015980] (UM) [ 266.021537] ? addrconf_rs_timer+0x6f0/0x6f0 [ 266.023490] 3*2048kB [ 266.029135] ndisc_alloc_skb+0x144/0x340 [ 266.031521] (UM) [ 266.036970] ndisc_send_rs+0x331/0x6e0 [ 266.039022] 3*4096kB [ 266.043430] addrconf_rs_timer+0x3c0/0x6f0 [ 266.045814] (M) [ 266.049876] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.051929] = 25280kB [ 266.055820] call_timer_fn+0x272/0x920 [ 266.058205] Node 0 [ 266.062433] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.064387] Normal: [ 266.068616] ? process_timeout+0x40/0x40 [ 266.071004] 876*4kB [ 266.074883] ? find_held_lock+0x36/0x1c0 [ 266.077100] (UME) [ 266.081335] ? __run_timers+0x7da/0xc70 [ 266.083634] 393*8kB [ 266.087693] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.090001] (UMEH) [ 266.094085] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.096229] 183*16kB [ 266.100196] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.102498] (UMEH) [ 266.106997] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 266.109214] 70*32kB [ 266.113705] ? trace_hardirqs_on+0xbd/0x310 [ 266.116102] (UMEH) [ 266.120331] ? kasan_check_read+0x11/0x20 [ 266.122558] 13*64kB [ 266.127138] ? __run_timers+0x7da/0xc70 [ 266.129437] (UMH) [ 266.133773] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.136217] 3*128kB (UH) [ 266.140377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.142678] 3*256kB [ 266.146659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.148776] (H) 0*512kB [ 266.154234] __run_timers+0x7e5/0xc70 [ 266.156962] 0*1024kB 0*2048kB 0*4096kB [ 266.161230] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 266.163554] = 13800kB [ 266.163569] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 266.167795] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 266.170441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 266.170451] 410 total pagecache pages [ 266.174265] ? graph_lock+0x170/0x170 [ 266.178222] 0 pages in swap cache [ 266.183574] ? enqueue_hrtimer+0x1a5/0x560 [ 266.185979] Swap cache stats: add 0, delete 0, find 0/0 [ 266.194800] ? lock_release+0x970/0x970 [ 266.199799] Free swap = 0kB [ 266.208370] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 266.212142] Total swap = 0kB [ 266.212152] 1965979 pages RAM [ 266.215971] ? find_held_lock+0x36/0x1c0 [ 266.219392] 0 pages HighMem/MovableOnly [ 266.219401] 343323 pages reserved [ 266.223634] ? graph_lock+0x170/0x170 [ 266.229003] 0 pages cma reserved [ 266.233005] ? pvclock_read_flags+0x160/0x160 [ 266.236078] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.241196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.241210] ? check_preemption_disabled+0x48/0x200 [ 266.241236] ? __lock_is_held+0xb5/0x140 [ 266.244287] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.247356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.251410] kworker/0:1 cpuset= [ 266.255377] ? check_preemption_disabled+0x48/0x200 [ 266.258811] / [ 266.262609] run_timer_softirq+0x52/0xb0 [ 266.265956] mems_allowed=0 [ 266.270452] ? rcu_read_lock_sched_held+0x108/0x120 [ 266.329299] __do_softirq+0x30b/0xad8 [ 266.333114] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 266.338226] ? pvclock_read_flags+0x160/0x160 [ 266.342725] ? lapic_next_event+0x5a/0x90 [ 266.346879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.352417] ? check_preemption_disabled+0x48/0x200 [ 266.357443] ? check_preemption_disabled+0x48/0x200 [ 266.362472] ? kvm_clock_read+0x18/0x30 [ 266.366466] ? kvm_sched_clock_read+0x9/0x20 [ 266.370900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.376455] ? check_preemption_disabled+0x48/0x200 [ 266.381528] irq_exit+0x17f/0x1c0 [ 266.384990] smp_apic_timer_interrupt+0x1cb/0x760 [ 266.389835] ? smp_reschedule_interrupt+0x109/0x650 [ 266.394867] ? smp_call_function_single_interrupt+0x650/0x650 [ 266.400753] ? interrupt_entry+0xb5/0xf0 [ 266.404832] ? trace_hardirqs_off_caller+0xbb/0x300 [ 266.409853] ? trace_hardirqs_off_caller+0xbb/0x300 [ 266.414889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.419737] ? trace_hardirqs_off+0x300/0x300 [ 266.424232] ? trace_hardirqs_off+0x300/0x300 [ 266.428731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.434268] ? check_preemption_disabled+0x48/0x200 [ 266.439295] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.444153] apic_timer_interrupt+0xf/0x20 [ 266.448384] [ 266.450629] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 266.455563] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 266.474460] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 266.482180] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 266.489449] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 266.496736] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 266.504006] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 266.511276] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 266.518586] skb_clone+0x1bb/0x500 [ 266.522131] ? skb_split+0x11e0/0x11e0 [ 266.526027] ? preempt_notifier_register+0x200/0x200 [ 266.531133] ? __switch_to_asm+0x34/0x70 [ 266.535195] ? __switch_to_asm+0x34/0x70 [ 266.539256] ? __switch_to_asm+0x40/0x70 [ 266.543317] ? __switch_to_asm+0x34/0x70 [ 266.547382] ? __switch_to_asm+0x40/0x70 [ 266.551447] ? __switch_to_asm+0x40/0x70 [ 266.555516] ? __switch_to_asm+0x34/0x70 [ 266.559579] ? __switch_to_asm+0x34/0x70 [ 266.563664] ? __switch_to_asm+0x40/0x70 [ 266.567726] ? __switch_to_asm+0x34/0x70 [ 266.571797] bpf_clone_redirect+0xb9/0x490 [ 266.576048] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 266.581073] ? __sched_text_start+0x8/0x8 [ 266.585231] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 266.590007] ? find_held_lock+0x36/0x1c0 [ 266.594079] ? lock_acquire+0x1ed/0x520 [ 266.598056] ? bpf_test_run+0x32e/0x5a0 [ 266.602038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.607576] ? check_preemption_disabled+0x48/0x200 [ 266.612610] ? kasan_check_read+0x11/0x20 [ 266.616775] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.622065] ? rcu_bh_qs+0xc0/0xc0 [ 266.625609] ? preempt_schedule+0x4d/0x60 [ 266.629773] ? ___preempt_schedule+0x16/0x18 [ 266.634193] ? bpf_test_run+0x1c0/0x5a0 [ 266.638181] ? netlink_diag_dump+0x2a0/0x2a0 [ 266.642597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.648135] ? bpf_test_init.isra.9+0x70/0x100 [ 266.652722] ? bpf_prog_test_run_skb+0x634/0xb40 [ 266.657507] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 266.662351] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 266.667887] ? fput+0x130/0x1a0 [ 266.671171] ? __bpf_prog_get+0x9b/0x290 [ 266.675237] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 266.680082] ? bpf_prog_test_run+0x130/0x1a0 [ 266.684502] ? __x64_sys_bpf+0x3d8/0x510 [ 266.688573] ? bpf_prog_get+0x20/0x20 [ 266.692385] ? ksys_ioctl+0x81/0xd0 [ 266.696030] ? do_syscall_64+0x1b9/0x820 [ 266.700093] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 266.705486] ? syscall_return_slowpath+0x5e0/0x5e0 [ 266.710423] ? trace_hardirqs_off+0x300/0x300 [ 266.714931] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 266.719969] ? recalc_sigpending_tsk+0x180/0x180 [ 266.724730] ? kasan_check_write+0x14/0x20 [ 266.728981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.733836] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 266.739220] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 266.739297] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.746065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.746089] Workqueue: (null) [ 266.752656] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.761896] (events) [ 266.765949] syz-executor1 cpuset= [ 266.776424] Call Trace: [ 266.778825] syz1 [ 266.782265] [ 266.784836] mems_allowed=0 [ 266.786809] dump_stack+0x1c4/0x2b4 [ 266.795514] ? dump_stack_print_info.cold.2+0x52/0x52 [ 266.800719] warn_alloc.cold.118+0xb7/0x1bd [ 266.805054] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.809902] ? lock_downgrade+0x900/0x900 [ 266.814060] ? trace_hardirqs_off+0xb8/0x300 [ 266.818477] ? trace_hardirqs_off+0xb8/0x300 [ 266.822896] __alloc_pages_slowpath+0x2667/0x2d80 [ 266.827777] ? warn_alloc+0x120/0x120 [ 266.831587] ? warn_alloc+0x120/0x120 [ 266.835392] ? print_usage_bug+0xc0/0xc0 [ 266.839474] ? warn_alloc+0x120/0x120 [ 266.843276] ? print_usage_bug+0xc0/0xc0 [ 266.847346] ? __lock_acquire+0x7ec/0x4ec0 [ 266.851603] ? __lock_acquire+0x7ec/0x4ec0 [ 266.855847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.861386] ? should_fail+0x22d/0xd01 [ 266.865284] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.870388] ? __lock_acquire+0x7ec/0x4ec0 [ 266.874630] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.879748] ? __lock_acquire+0x7ec/0x4ec0 [ 266.883991] ? should_fail+0x22d/0xd01 [ 266.887895] ? mark_held_locks+0x130/0x130 [ 266.892141] ? mark_held_locks+0x130/0x130 [ 266.896382] ? graph_lock+0x170/0x170 [ 266.900185] ? graph_lock+0x170/0x170 [ 266.903999] ? graph_lock+0x170/0x170 [ 266.907800] ? print_usage_bug+0xc0/0xc0 [ 266.911880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.917442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.922987] ? check_preemption_disabled+0x48/0x200 [ 266.928009] ? check_preemption_disabled+0x48/0x200 [ 266.933059] ? __lock_is_held+0xb5/0x140 [ 266.937154] __alloc_pages_nodemask+0xa80/0xde0 [ 266.941826] ? graph_lock+0x170/0x170 [ 266.945635] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 266.950666] ? graph_lock+0x170/0x170 [ 266.954495] ? find_held_lock+0x36/0x1c0 [ 266.958592] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.963263] ? lock_downgrade+0x900/0x900 [ 266.967426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.972981] cache_grow_begin+0x91/0x8c0 [ 266.977053] ? do_raw_spin_unlock+0xa7/0x2f0 [ 266.981473] fallback_alloc+0x203/0x2e0 [ 266.985459] ____cache_alloc_node+0x1c7/0x1e0 [ 266.989968] kmem_cache_alloc_node+0xe3/0x730 [ 266.994498] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.998753] __alloc_skb+0x119/0x770 [ 267.002468] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.007777] ? skb_scrub_packet+0x490/0x490 [ 267.012101] ? lock_downgrade+0x900/0x900 [ 267.016261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.021805] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.027261] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.032738] ? addrconf_rs_timer+0x6f0/0x6f0 [ 267.037162] ndisc_alloc_skb+0x144/0x340 [ 267.041233] ndisc_send_rs+0x331/0x6e0 [ 267.045138] addrconf_rs_timer+0x3c0/0x6f0 [ 267.049383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.053633] call_timer_fn+0x272/0x920 [ 267.057521] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.061766] ? process_timeout+0x40/0x40 [ 267.065861] ? find_held_lock+0x36/0x1c0 [ 267.069932] ? __run_timers+0x7da/0xc70 [ 267.073916] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.078424] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.082925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.087169] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 267.091756] ? trace_hardirqs_on+0xbd/0x310 [ 267.096086] ? kasan_check_read+0x11/0x20 [ 267.100249] ? __run_timers+0x7da/0xc70 [ 267.104226] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.109696] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.113943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.118200] __run_timers+0x7e5/0xc70 [ 267.122035] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 267.127430] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.132485] ? graph_lock+0x170/0x170 [ 267.136298] ? enqueue_hrtimer+0x1a5/0x560 [ 267.140531] ? lock_release+0x970/0x970 [ 267.144531] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 267.149763] ? find_held_lock+0x36/0x1c0 [ 267.153852] ? pvclock_read_flags+0x160/0x160 [ 267.158376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.163911] ? check_preemption_disabled+0x48/0x200 [ 267.168934] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 267.174471] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.179768] ? rcu_pm_notify+0xc0/0xc0 [ 267.183655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.189205] ? check_preemption_disabled+0x48/0x200 [ 267.194231] run_timer_softirq+0x52/0xb0 [ 267.198292] ? rcu_read_lock_sched_held+0x108/0x120 [ 267.203318] __do_softirq+0x30b/0xad8 [ 267.207132] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 267.212246] ? pvclock_read_flags+0x160/0x160 [ 267.216743] ? lapic_next_event+0x5a/0x90 [ 267.220897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.226523] ? check_preemption_disabled+0x48/0x200 [ 267.231539] ? check_preemption_disabled+0x48/0x200 [ 267.236563] ? kvm_clock_read+0x18/0x30 [ 267.240541] ? kvm_sched_clock_read+0x9/0x20 [ 267.244952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.250506] ? check_preemption_disabled+0x48/0x200 [ 267.255533] irq_exit+0x17f/0x1c0 [ 267.258993] smp_apic_timer_interrupt+0x1cb/0x760 [ 267.263853] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.269742] ? interrupt_entry+0xb5/0xf0 [ 267.273808] ? trace_hardirqs_off_caller+0xbb/0x300 [ 267.278828] ? trace_hardirqs_off_caller+0xbb/0x300 [ 267.283846] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.288690] ? trace_hardirqs_off+0x300/0x300 [ 267.293184] ? trace_hardirqs_off+0x300/0x300 [ 267.297682] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.303221] ? check_preemption_disabled+0x48/0x200 [ 267.308241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.313790] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.318641] apic_timer_interrupt+0xf/0x20 [ 267.322869] [ 267.325123] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 267.330229] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 267.349128] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 267.356838] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 267.364105] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 267.371370] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 267.378637] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 267.385905] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 267.393203] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.397705] finish_task_switch+0x1f5/0x900 [ 267.402027] ? finish_task_switch+0x1b5/0x900 [ 267.406529] ? __switch_to_asm+0x34/0x70 [ 267.410607] ? preempt_notifier_register+0x200/0x200 [ 267.415707] ? __switch_to_asm+0x34/0x70 [ 267.419771] ? __switch_to_asm+0x34/0x70 [ 267.423835] ? __switch_to_asm+0x40/0x70 [ 267.427895] ? __switch_to_asm+0x34/0x70 [ 267.431954] ? __switch_to_asm+0x40/0x70 [ 267.436022] ? __switch_to_asm+0x34/0x70 [ 267.440083] ? __switch_to_asm+0x40/0x70 [ 267.444141] ? __switch_to_asm+0x34/0x70 [ 267.448200] ? __switch_to_asm+0x40/0x70 [ 267.452265] ? __switch_to_asm+0x34/0x70 [ 267.456323] ? __switch_to_asm+0x40/0x70 [ 267.460382] ? __switch_to_asm+0x34/0x70 [ 267.464453] ? __switch_to_asm+0x40/0x70 [ 267.468527] ? __switch_to_asm+0x34/0x70 [ 267.472584] ? __switch_to_asm+0x40/0x70 [ 267.476662] __schedule+0x874/0x1ed0 [ 267.480395] ? lockdep_hardirqs_on+0x421/0x5c0 [ 267.484994] ? __sched_text_start+0x8/0x8 [ 267.489157] ? graph_lock+0x170/0x170 [ 267.492961] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 267.497742] ? lockdep_hardirqs_on+0x421/0x5c0 [ 267.502323] ? retint_kernel+0x2d/0x2d [ 267.506215] ? find_held_lock+0x36/0x1c0 [ 267.510286] schedule+0xfe/0x460 [ 267.513659] ? __schedule+0x1ed0/0x1ed0 [ 267.517638] ? lockdep_hardirqs_on+0x421/0x5c0 [ 267.522230] ? trace_hardirqs_on+0xbd/0x310 [ 267.526550] ? kasan_check_read+0x11/0x20 [ 267.530700] ? worker_thread+0x3ca/0x1390 [ 267.534852] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.540307] ? kasan_check_write+0x14/0x20 [ 267.544545] ? do_raw_spin_lock+0xc1/0x200 [ 267.548787] worker_thread+0x3cf/0x1390 [ 267.552761] ? __switch_to_asm+0x34/0x70 [ 267.556834] ? process_one_work+0x1b90/0x1b90 [ 267.561338] ? graph_lock+0x170/0x170 [ 267.565159] ? __sched_text_start+0x8/0x8 [ 267.569317] ? find_held_lock+0x36/0x1c0 [ 267.573391] ? __kthread_parkme+0xce/0x1a0 [ 267.577628] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 267.582741] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 267.587859] ? lockdep_hardirqs_on+0x421/0x5c0 [ 267.592445] ? trace_hardirqs_on+0xbd/0x310 [ 267.596769] ? kasan_check_read+0x11/0x20 [ 267.600918] ? __kthread_parkme+0xce/0x1a0 [ 267.605154] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.610613] ? kasan_check_write+0x14/0x20 [ 267.614852] ? do_raw_spin_lock+0xc1/0x200 [ 267.619103] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 267.624209] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.629751] ? __kthread_parkme+0xfb/0x1a0 [ 267.634007] kthread+0x35a/0x420 [ 267.637380] ? process_one_work+0x1b90/0x1b90 [ 267.641885] ? kthread_bind+0x40/0x40 [ 267.645718] ret_from_fork+0x3a/0x50 [ 267.649459] warn_alloc_show_mem: 1 callbacks suppressed [ 267.649470] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 267.649472] Mem-Info: [ 267.649509] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 267.649509] active_file:13 inactive_file:18 isolated_file:0 [ 267.649509] unevictable:0 dirty:0 writeback:0 unstable:0 [ 267.649509] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 267.649509] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 267.649509] free:13747 free_pcp:307 free_cma:0 [ 267.654859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.654869] Call Trace: [ 267.662065] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 267.664482] [ 267.697341] Node 0 [ 267.706806] dump_stack+0x1c4/0x2b4 [ 267.709397] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 267.737059] ? dump_stack_print_info.cold.2+0x52/0x52 [ 267.739185] lowmem_reserve[]: 0 [ 267.741438] warn_alloc.cold.118+0xb7/0x1bd [ 267.745026] 2815 6318 [ 267.770534] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 267.775703] 6318 [ 267.779005] ? lock_downgrade+0x900/0x900 [ 267.783301] Node 0 [ 267.785801] ? trace_hardirqs_off+0xb8/0x300 [ 267.790641] DMA32 free:25280kB 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 [ 267.792680] ? trace_hardirqs_off+0xb8/0x300 [ 267.796795] lowmem_reserve[]: 0 [ 267.799045] __alloc_pages_slowpath+0x2667/0x2d80 [ 267.803418] 0 3503 [ 267.830434] ? warn_alloc+0x120/0x120 [ 267.834797] 3503 [ 267.838074] ? trace_hardirqs_on+0x310/0x310 [ 267.842944] Node 0 [ 267.845190] ? warn_alloc+0x120/0x120 [ 267.849012] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 267.851051] ? print_usage_bug+0xc0/0xc0 [ 267.855434] lowmem_reserve[]: [ 267.857670] ? warn_alloc+0x120/0x120 [ 267.861449] 0 [ 267.889827] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 267.893858] 0 0 [ 267.896981] ? print_usage_bug+0xc0/0xc0 [ 267.900752] 0 [ 267.902565] ? __lock_acquire+0x7ec/0x4ec0 [ 267.907562] Node 0 [ 267.909538] ? __lock_acquire+0x7ec/0x4ec0 [ 267.913570] DMA: 1*4kB [ 267.915391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.919600] (U) [ 267.921837] ? should_fail+0x22d/0xd01 [ 267.926049] 0*8kB [ 267.928631] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.934170] 0*16kB [ 267.936147] ? __lock_acquire+0x7ec/0x4ec0 [ 267.940015] 1*32kB [ 267.942162] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.947241] (U) [ 267.949488] ? __lock_acquire+0x7ec/0x4ec0 [ 267.953696] 2*64kB [ 267.955929] ? should_fail+0x22d/0xd01 [ 267.961012] (U) [ 267.962990] ? print_usage_bug+0xc0/0xc0 [ 267.963015] ? mark_held_locks+0x130/0x130 [ 267.967225] 1*128kB [ 267.969482] ? mark_held_locks+0x130/0x130 [ 267.973339] (U) [ 267.975322] ? graph_lock+0x170/0x170 [ 267.979355] 1*256kB (U) [ 267.983601] ? print_usage_bug+0xc0/0xc0 [ 267.985902] 0*512kB 1*1024kB [ 267.990145] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 267.992102] (U) [ 267.995899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.998541] 1*2048kB (M) [ 268.002608] ? check_preemption_disabled+0x48/0x200 [ 268.005695] 3*4096kB [ 268.010444] ? check_preemption_disabled+0x48/0x200 [ 268.012401] (M) [ 268.017945] ? __lock_is_held+0xb5/0x140 [ 268.020676] = 15908kB [ 268.025909] __alloc_pages_nodemask+0xa80/0xde0 [ 268.025919] ? graph_lock+0x170/0x170 [ 268.025930] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 268.025937] ? graph_lock+0x170/0x170 [ 268.025951] ? find_held_lock+0x36/0x1c0 [ 268.025969] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.025981] ? lock_downgrade+0x900/0x900 [ 268.026002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.026022] cache_grow_begin+0x91/0x8c0 [ 268.028424] Node 0 [ 268.033437] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.035390] DMA32: [ 268.039454] fallback_alloc+0x203/0x2e0 [ 268.041842] 4*4kB [ 268.046514] ____cache_alloc_node+0x1c7/0x1e0 [ 268.050295] (UM) [ 268.055311] kmem_cache_alloc_node+0xe3/0x730 [ 268.059092] 2*8kB [ 268.063155] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.067798] (M) [ 268.071948] __alloc_skb+0x119/0x770 [ 268.077476] 2*16kB [ 268.081542] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.083758] (UM) [ 268.088170] ? skb_scrub_packet+0x490/0x490 [ 268.090390] 2*32kB [ 268.094361] ? lock_downgrade+0x900/0x900 [ 268.096481] (UM) 3*64kB [ 268.100995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.103037] (UM) [ 268.107533] ? refcount_sub_and_test_checked+0x203/0x310 [ 268.109666] 3*128kB [ 268.113895] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 268.115853] (M) [ 268.119575] ? addrconf_rs_timer+0x6f0/0x6f0 [ 268.121789] 2*256kB [ 268.127072] ndisc_alloc_skb+0x144/0x340 [ 268.129105] (M) [ 268.133424] ndisc_send_rs+0x331/0x6e0 [ 268.135792] 3*512kB (M) [ 268.139954] addrconf_rs_timer+0x3c0/0x6f0 [ 268.142601] 4*1024kB [ 268.148136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.150177] (UM) [ 268.155632] call_timer_fn+0x272/0x920 [ 268.157926] 3*2048kB [ 268.163371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.165324] (UM) [ 268.169730] ? process_timeout+0x40/0x40 [ 268.172044] 3*4096kB [ 268.176104] ? find_held_lock+0x36/0x1c0 [ 268.178062] (M) [ 268.181955] ? __run_timers+0x7da/0xc70 [ 268.184594] = 25280kB [ 268.184603] Node 0 [ 268.188840] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.191220] Normal: 876*4kB [ 268.195464] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.197510] (UME) [ 268.201393] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.203775] 393*8kB (UMEH) [ 268.208020] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 268.210068] 183*16kB [ 268.214127] ? trace_hardirqs_on+0xbd/0x310 [ 268.216531] (UMEH) [ 268.220591] ? kasan_check_read+0x11/0x20 [ 268.222546] 70*32kB [ 268.226516] ? __run_timers+0x7da/0xc70 [ 268.228903] (UMEH) [ 268.231139] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.235633] 13*64kB (UMH) [ 268.238662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.243132] 3*128kB (UH) [ 268.245297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.249508] 3*256kB [ 268.252438] __run_timers+0x7e5/0xc70 [ 268.257001] (H) [ 268.259420] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 268.263713] 0*512kB [ 268.265951] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 268.270082] 0*1024kB [ 268.272405] ? graph_lock+0x170/0x170 [ 268.276364] 0*2048kB [ 268.278600] ? enqueue_hrtimer+0x1a5/0x560 [ 268.284024] 0*4096kB = 13800kB [ 268.286875] ? lock_release+0x970/0x970 [ 268.291094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 268.293843] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 268.298088] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 268.300417] ? find_held_lock+0x36/0x1c0 [ 268.304200] 410 total pagecache pages [ 268.306175] ? graph_lock+0x170/0x170 [ 268.311525] 0 pages in swap cache [ 268.313839] ? pvclock_read_flags+0x160/0x160 [ 268.318835] Swap cache stats: add 0, delete 0, find 0/0 [ 268.318845] Free swap = 0kB [ 268.321255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.325033] Total swap = 0kB [ 268.325043] 1965979 pages RAM [ 268.327470] ? check_preemption_disabled+0x48/0x200 [ 268.331685] 0 pages HighMem/MovableOnly [ 268.334884] ? __lock_is_held+0xb5/0x140 [ 268.338832] 343323 pages reserved [ 268.347664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.352832] 0 pages cma reserved [ 268.361404] ? check_preemption_disabled+0x48/0x200 [ 268.365503] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.369245] run_timer_softirq+0x52/0xb0 [ 268.369261] ? rcu_read_lock_sched_held+0x108/0x120 [ 268.369281] __do_softirq+0x30b/0xad8 [ 268.373526] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.376529] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 268.381006] kworker/0:1 cpuset= [ 268.386372] ? pvclock_read_flags+0x160/0x160 [ 268.389367] / [ 268.395282] ? lapic_next_event+0x5a/0x90 [ 268.398285] mems_allowed=0 [ 268.401390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.488432] ? check_preemption_disabled+0x48/0x200 [ 268.493455] ? check_preemption_disabled+0x48/0x200 [ 268.498502] ? kvm_clock_read+0x18/0x30 [ 268.502487] ? kvm_sched_clock_read+0x9/0x20 [ 268.506907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.512446] ? check_preemption_disabled+0x48/0x200 [ 268.517490] irq_exit+0x17f/0x1c0 [ 268.520952] smp_apic_timer_interrupt+0x1cb/0x760 [ 268.525810] ? smp_reschedule_interrupt+0x109/0x650 [ 268.530836] ? smp_call_function_single_interrupt+0x650/0x650 [ 268.536723] ? interrupt_entry+0xb5/0xf0 [ 268.540793] ? trace_hardirqs_off_caller+0xbb/0x300 [ 268.545812] ? trace_hardirqs_off_caller+0xbb/0x300 [ 268.550839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.555690] ? trace_hardirqs_off+0x300/0x300 [ 268.560190] ? trace_hardirqs_off+0x300/0x300 [ 268.564694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.570234] ? check_preemption_disabled+0x48/0x200 [ 268.575267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.580128] apic_timer_interrupt+0xf/0x20 [ 268.584361] [ 268.586605] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 268.591542] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 268.610442] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 268.618163] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 268.625432] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 268.632701] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 268.639976] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 268.647248] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 268.654559] skb_clone+0x1bb/0x500 [ 268.658109] ? skb_split+0x11e0/0x11e0 [ 268.662010] ? preempt_notifier_register+0x200/0x200 [ 268.667115] ? __switch_to_asm+0x34/0x70 [ 268.671179] ? __switch_to_asm+0x34/0x70 [ 268.675244] ? __switch_to_asm+0x40/0x70 [ 268.679306] ? __switch_to_asm+0x34/0x70 [ 268.683372] ? __switch_to_asm+0x40/0x70 [ 268.687434] ? __switch_to_asm+0x40/0x70 [ 268.691501] ? __switch_to_asm+0x34/0x70 [ 268.695579] ? __switch_to_asm+0x34/0x70 [ 268.699643] ? __switch_to_asm+0x40/0x70 [ 268.703707] ? __switch_to_asm+0x34/0x70 [ 268.707782] bpf_clone_redirect+0xb9/0x490 [ 268.712029] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 268.717054] ? __sched_text_start+0x8/0x8 [ 268.721219] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 268.725999] ? find_held_lock+0x36/0x1c0 [ 268.730073] ? lock_acquire+0x1ed/0x520 [ 268.734050] ? bpf_test_run+0x32e/0x5a0 [ 268.738029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.743571] ? check_preemption_disabled+0x48/0x200 [ 268.748594] ? kasan_check_read+0x11/0x20 [ 268.752749] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.758034] ? rcu_bh_qs+0xc0/0xc0 [ 268.761579] ? preempt_schedule+0x4d/0x60 [ 268.765731] ? ___preempt_schedule+0x16/0x18 [ 268.770150] ? bpf_test_run+0x1c0/0x5a0 [ 268.774138] ? netlink_diag_dump+0x2a0/0x2a0 [ 268.778551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.784089] ? bpf_test_init.isra.9+0x70/0x100 [ 268.788679] ? bpf_prog_test_run_skb+0x634/0xb40 [ 268.793445] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 268.798306] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 268.803845] ? fput+0x130/0x1a0 [ 268.807130] ? __bpf_prog_get+0x9b/0x290 [ 268.811200] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 268.816044] ? bpf_prog_test_run+0x130/0x1a0 [ 268.820462] ? __x64_sys_bpf+0x3d8/0x510 [ 268.824537] ? bpf_prog_get+0x20/0x20 [ 268.828359] ? ksys_ioctl+0x81/0xd0 [ 268.832035] ? do_syscall_64+0x1b9/0x820 [ 268.836103] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 268.841484] ? syscall_return_slowpath+0x5e0/0x5e0 [ 268.846424] ? trace_hardirqs_off+0x300/0x300 [ 268.850940] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 268.855974] ? recalc_sigpending_tsk+0x180/0x180 [ 268.860735] ? kasan_check_write+0x14/0x20 [ 268.864988] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.869852] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 268.875236] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 268.875308] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.882082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.882111] Workqueue: (null) (events) [ 268.882125] Call Trace: [ 268.882135] [ 268.888714] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.897983] dump_stack+0x1c4/0x2b4 [ 268.898002] ? dump_stack_print_info.cold.2+0x52/0x52 [ 268.902829] syz-executor1 cpuset= [ 268.905420] warn_alloc.cold.118+0xb7/0x1bd [ 268.907552] syz1 [ 268.918048] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.921655] mems_allowed=0 [ 268.926840] ? lock_downgrade+0x900/0x900 [ 268.948437] ? trace_hardirqs_off+0xb8/0x300 [ 268.952866] ? trace_hardirqs_off+0xb8/0x300 [ 268.957299] __alloc_pages_slowpath+0x2667/0x2d80 [ 268.962178] ? warn_alloc+0x120/0x120 [ 268.965994] ? warn_alloc+0x120/0x120 [ 268.969803] ? print_usage_bug+0xc0/0xc0 [ 268.973872] ? warn_alloc+0x120/0x120 [ 268.977683] ? print_usage_bug+0xc0/0xc0 [ 268.981763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.987305] ? should_fail+0x22d/0xd01 [ 268.991196] ? __lock_acquire+0x7ec/0x4ec0 [ 268.995437] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.000549] ? __lock_acquire+0x7ec/0x4ec0 [ 269.004793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.009898] ? __lock_acquire+0x7ec/0x4ec0 [ 269.014170] ? should_fail+0x22d/0xd01 [ 269.018074] ? mark_held_locks+0x130/0x130 [ 269.022322] ? mark_held_locks+0x130/0x130 [ 269.026581] ? graph_lock+0x170/0x170 [ 269.030381] ? print_usage_bug+0xc0/0xc0 [ 269.034449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.039994] ? check_preemption_disabled+0x48/0x200 [ 269.045012] ? check_preemption_disabled+0x48/0x200 [ 269.050041] ? __lock_is_held+0xb5/0x140 [ 269.054110] __alloc_pages_nodemask+0xa80/0xde0 [ 269.058784] ? graph_lock+0x170/0x170 [ 269.062589] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 269.067607] ? graph_lock+0x170/0x170 [ 269.071425] ? find_held_lock+0x36/0x1c0 [ 269.075497] ? ____cache_alloc_node+0x1c7/0x1e0 [ 269.080168] ? lock_downgrade+0x900/0x900 [ 269.084332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.089879] cache_grow_begin+0x91/0x8c0 [ 269.093944] ? do_raw_spin_unlock+0xa7/0x2f0 [ 269.098368] fallback_alloc+0x203/0x2e0 [ 269.102356] ____cache_alloc_node+0x1c7/0x1e0 [ 269.106860] kmem_cache_alloc_node+0xe3/0x730 [ 269.111362] ? ipv6_get_ifaddr+0x42e/0x620 [ 269.115622] __alloc_skb+0x119/0x770 [ 269.119342] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.124625] ? skb_scrub_packet+0x490/0x490 [ 269.128962] ? lock_downgrade+0x900/0x900 [ 269.133169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.138713] ? refcount_sub_and_test_checked+0x203/0x310 [ 269.144168] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 269.149625] ? addrconf_rs_timer+0x6f0/0x6f0 [ 269.154046] ndisc_alloc_skb+0x144/0x340 [ 269.158201] ndisc_send_rs+0x331/0x6e0 [ 269.162111] addrconf_rs_timer+0x3c0/0x6f0 [ 269.166379] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.170644] call_timer_fn+0x272/0x920 [ 269.174534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.178772] ? process_timeout+0x40/0x40 [ 269.182837] ? find_held_lock+0x36/0x1c0 [ 269.186910] ? __run_timers+0x7da/0xc70 [ 269.190889] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.195396] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.199889] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.204136] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 269.208721] ? trace_hardirqs_on+0xbd/0x310 [ 269.213053] ? kasan_check_read+0x11/0x20 [ 269.217204] ? __run_timers+0x7da/0xc70 [ 269.221182] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.226648] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.230883] __run_timers+0x7e5/0xc70 [ 269.234700] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 269.240080] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.245101] ? graph_lock+0x170/0x170 [ 269.248905] ? enqueue_hrtimer+0x1a5/0x560 [ 269.253142] ? lock_release+0x970/0x970 [ 269.257117] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 269.262322] ? find_held_lock+0x36/0x1c0 [ 269.266398] ? pvclock_read_flags+0x160/0x160 [ 269.270896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.276438] ? check_preemption_disabled+0x48/0x200 [ 269.281473] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 269.287015] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.292294] ? rcu_pm_notify+0xc0/0xc0 [ 269.296184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.301723] ? check_preemption_disabled+0x48/0x200 [ 269.306754] run_timer_softirq+0x52/0xb0 [ 269.310820] ? rcu_read_lock_sched_held+0x108/0x120 [ 269.315855] __do_softirq+0x30b/0xad8 [ 269.319671] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 269.324780] ? pvclock_read_flags+0x160/0x160 [ 269.329279] ? lapic_next_event+0x5a/0x90 [ 269.333428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.338965] ? check_preemption_disabled+0x48/0x200 [ 269.343991] ? check_preemption_disabled+0x48/0x200 [ 269.349019] ? kvm_clock_read+0x18/0x30 [ 269.352998] ? kvm_sched_clock_read+0x9/0x20 [ 269.357423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.362982] ? check_preemption_disabled+0x48/0x200 [ 269.368024] irq_exit+0x17f/0x1c0 [ 269.371485] smp_apic_timer_interrupt+0x1cb/0x760 [ 269.376334] ? smp_call_function_single_interrupt+0x650/0x650 [ 269.382219] ? interrupt_entry+0xb5/0xf0 [ 269.386286] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.391305] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.396329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.401172] ? trace_hardirqs_off+0x300/0x300 [ 269.405667] ? trace_hardirqs_off+0x300/0x300 [ 269.410166] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.415702] ? check_preemption_disabled+0x48/0x200 [ 269.420717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.426266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.431121] apic_timer_interrupt+0xf/0x20 [ 269.435348] [ 269.437590] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 269.442693] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 269.461591] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 269.469300] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 269.476582] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 269.483852] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 269.491119] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 269.498385] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 269.505682] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.510183] finish_task_switch+0x1f5/0x900 [ 269.514506] ? finish_task_switch+0x1b5/0x900 [ 269.519010] ? __switch_to_asm+0x34/0x70 [ 269.523080] ? preempt_notifier_register+0x200/0x200 [ 269.528185] ? __switch_to_asm+0x34/0x70 [ 269.532247] ? __switch_to_asm+0x34/0x70 [ 269.536310] ? __switch_to_asm+0x40/0x70 [ 269.540399] ? __switch_to_asm+0x34/0x70 [ 269.544462] ? __switch_to_asm+0x40/0x70 [ 269.548525] ? __switch_to_asm+0x34/0x70 [ 269.552589] ? __switch_to_asm+0x40/0x70 [ 269.556652] ? __switch_to_asm+0x34/0x70 [ 269.560709] ? __switch_to_asm+0x40/0x70 [ 269.564769] ? __switch_to_asm+0x34/0x70 [ 269.568836] ? __switch_to_asm+0x40/0x70 [ 269.572895] ? __switch_to_asm+0x34/0x70 [ 269.576956] ? __switch_to_asm+0x40/0x70 [ 269.581021] ? __switch_to_asm+0x34/0x70 [ 269.585082] ? __switch_to_asm+0x40/0x70 [ 269.589155] __schedule+0x874/0x1ed0 [ 269.592873] ? lockdep_hardirqs_on+0x421/0x5c0 [ 269.597464] ? __sched_text_start+0x8/0x8 [ 269.601646] ? graph_lock+0x170/0x170 [ 269.605453] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 269.610215] ? lockdep_hardirqs_on+0x421/0x5c0 [ 269.614803] ? retint_kernel+0x2d/0x2d [ 269.618710] ? find_held_lock+0x36/0x1c0 [ 269.622786] schedule+0xfe/0x460 [ 269.626158] ? __schedule+0x1ed0/0x1ed0 [ 269.630136] ? lockdep_hardirqs_on+0x421/0x5c0 [ 269.634727] ? trace_hardirqs_on+0xbd/0x310 [ 269.639048] ? kasan_check_read+0x11/0x20 [ 269.643194] ? worker_thread+0x3ca/0x1390 [ 269.647349] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.652800] ? kasan_check_write+0x14/0x20 [ 269.657039] ? do_raw_spin_lock+0xc1/0x200 [ 269.661280] worker_thread+0x3cf/0x1390 [ 269.665257] ? __switch_to_asm+0x34/0x70 [ 269.669331] ? process_one_work+0x1b90/0x1b90 [ 269.673835] ? graph_lock+0x170/0x170 [ 269.677646] ? __sched_text_start+0x8/0x8 [ 269.681805] ? find_held_lock+0x36/0x1c0 [ 269.685880] ? __kthread_parkme+0xce/0x1a0 [ 269.690120] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 269.695226] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 269.700334] ? lockdep_hardirqs_on+0x421/0x5c0 [ 269.704920] ? trace_hardirqs_on+0xbd/0x310 [ 269.709240] ? kasan_check_read+0x11/0x20 [ 269.713388] ? __kthread_parkme+0xce/0x1a0 [ 269.717628] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.723089] ? kasan_check_write+0x14/0x20 [ 269.727329] ? do_raw_spin_lock+0xc1/0x200 [ 269.731572] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.736679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.742220] ? __kthread_parkme+0xfb/0x1a0 [ 269.746463] kthread+0x35a/0x420 [ 269.749834] ? process_one_work+0x1b90/0x1b90 [ 269.754332] ? kthread_bind+0x40/0x40 [ 269.758136] ret_from_fork+0x3a/0x50 [ 269.761870] warn_alloc_show_mem: 1 callbacks suppressed [ 269.761883] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 269.761885] Mem-Info: [ 269.761916] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 269.761916] active_file:13 inactive_file:18 isolated_file:0 [ 269.761916] unevictable:0 dirty:0 writeback:0 unstable:0 [ 269.761916] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 269.761916] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 269.761916] free:13747 free_pcp:307 free_cma:0 [ 269.767251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.767261] Call Trace: [ 269.774461] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 269.776865] [ 269.809731] Node 0 [ 269.819083] dump_stack+0x1c4/0x2b4 [ 269.821671] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 269.849317] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.851435] lowmem_reserve[]: 0 [ 269.853704] warn_alloc.cold.118+0xb7/0x1bd [ 269.857299] 2815 [ 269.882801] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 269.887962] 6318 6318 [ 269.891254] ? lock_downgrade+0x900/0x900 [ 269.895556] Node 0 [ 269.897622] ? trace_hardirqs_off+0xb8/0x300 [ 269.902467] DMA32 free:25280kB 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 [ 269.904942] ? trace_hardirqs_off+0xb8/0x300 [ 269.909059] lowmem_reserve[]: 0 [ 269.911307] __alloc_pages_slowpath+0x2667/0x2d80 [ 269.915688] 0 [ 269.942701] ? warn_alloc+0x120/0x120 [ 269.947054] 3503 3503 [ 269.950342] ? trace_hardirqs_on+0x310/0x310 [ 269.955163] Node 0 [ 269.956978] ? warn_alloc+0x120/0x120 [ 269.960784] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 269.963256] ? print_usage_bug+0xc0/0xc0 [ 269.967638] lowmem_reserve[]: 0 [ 269.969893] ? warn_alloc+0x120/0x120 [ 269.973678] 0 [ 270.002056] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 270.006095] 0 [ 270.009372] ? print_usage_bug+0xc0/0xc0 [ 270.013151] 0 [ 270.014968] ? __lock_acquire+0x7ec/0x4ec0 [ 270.019985] Node 0 [ 270.021796] ? __lock_acquire+0x7ec/0x4ec0 [ 270.026290] DMA: 1*4kB [ 270.028104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.032321] (U) [ 270.034561] ? should_fail+0x22d/0xd01 [ 270.038775] 0*8kB [ 270.041361] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.046878] 0*16kB [ 270.048851] ? __lock_acquire+0x7ec/0x4ec0 [ 270.052718] 1*32kB [ 270.054867] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.059940] (U) 2*64kB [ 270.062187] ? __lock_acquire+0x7ec/0x4ec0 [ 270.066397] (U) [ 270.068654] ? should_fail+0x22d/0xd01 [ 270.073734] 1*128kB [ 270.076313] ? print_usage_bug+0xc0/0xc0 [ 270.080522] (U) [ 270.082507] ? mark_held_locks+0x130/0x130 [ 270.086367] 1*256kB [ 270.088685] ? mark_held_locks+0x130/0x130 [ 270.092721] (U) [ 270.094701] ? graph_lock+0x170/0x170 [ 270.098916] 0*512kB [ 270.101239] ? print_usage_bug+0xc0/0xc0 [ 270.105455] 1*1024kB [ 270.107435] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.111209] (U) [ 270.113533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.117584] 1*2048kB [ 270.120021] ? check_preemption_disabled+0x48/0x200 [ 270.124748] (M) 3*4096kB [ 270.126734] ? check_preemption_disabled+0x48/0x200 [ 270.132249] (M) [ 270.135160] ? __lock_is_held+0xb5/0x140 [ 270.140152] = 15908kB [ 270.142906] __alloc_pages_nodemask+0xa80/0xde0 [ 270.147900] Node 0 [ 270.149880] ? graph_lock+0x170/0x170 [ 270.153914] DMA32: 4*4kB [ 270.156331] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 270.160969] (UM) 2*8kB [ 270.163214] ? graph_lock+0x170/0x170 [ 270.167008] (M) [ 270.169772] ? find_held_lock+0x36/0x1c0 [ 270.174775] 2*16kB [ 270.177361] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.181134] (UM) [ 270.183111] ? lock_downgrade+0x900/0x900 [ 270.187147] 2*32kB [ 270.189382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.194021] (UM) [ 270.196093] cache_grow_begin+0x91/0x8c0 [ 270.200220] 3*64kB [ 270.202466] ? do_raw_spin_unlock+0xa7/0x2f0 [ 270.207999] (UM) [ 270.210063] fallback_alloc+0x203/0x2e0 [ 270.214104] 3*128kB [ 270.216343] ____cache_alloc_node+0x1c7/0x1e0 [ 270.220729] (M) [ 270.222793] kmem_cache_alloc_node+0xe3/0x730 [ 270.226744] 2*256kB [ 270.229066] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.233536] (M) [ 270.235514] __alloc_skb+0x119/0x770 [ 270.239991] 3*512kB [ 270.242313] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.246535] (M) [ 270.248515] ? skb_scrub_packet+0x490/0x490 [ 270.252205] 4*1024kB [ 270.254523] ? lock_downgrade+0x900/0x900 [ 270.259775] (UM) [ 270.261752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.266051] 3*2048kB [ 270.268459] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.272580] (UM) [ 270.274646] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.280163] 3*4096kB [ 270.282609] ? addrconf_rs_timer+0x6f0/0x6f0 [ 270.288036] (M) [ 270.290105] ndisc_alloc_skb+0x144/0x340 [ 270.295516] = 25280kB [ 270.295526] Node 0 [ 270.297949] ndisc_send_rs+0x331/0x6e0 [ 270.302331] Normal: [ 270.304305] addrconf_rs_timer+0x3c0/0x6f0 [ 270.308341] 876*4kB [ 270.310750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.312982] (UME) [ 270.316873] call_timer_fn+0x272/0x920 [ 270.319162] 393*8kB (UMEH) [ 270.323406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.325707] 183*16kB [ 270.329940] ? process_timeout+0x40/0x40 [ 270.332074] (UMEH) [ 270.335957] ? find_held_lock+0x36/0x1c0 [ 270.338864] 70*32kB (UMEH) [ 270.343109] ? __run_timers+0x7da/0xc70 [ 270.345494] 13*64kB [ 270.349560] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.351781] (UMH) [ 270.355840] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.358750] 3*128kB [ 270.362723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.365028] (UH) [ 270.369518] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 270.371639] 3*256kB (H) [ 270.376144] ? trace_hardirqs_on+0xbd/0x310 [ 270.378442] 0*512kB 0*1024kB [ 270.382683] ? kasan_check_read+0x11/0x20 [ 270.384726] 0*2048kB [ 270.389302] ? __run_timers+0x7da/0xc70 [ 270.391947] 0*4096kB = 13800kB [ 270.396286] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.399377] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 270.403535] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.405927] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 270.409902] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.413069] 410 total pagecache pages [ 270.418516] __run_timers+0x7e5/0xc70 [ 270.427336] 0 pages in swap cache [ 270.431571] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 270.440116] Swap cache stats: add 0, delete 0, find 0/0 [ 270.444344] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 270.448112] Free swap = 0kB [ 270.448133] Total swap = 0kB [ 270.451932] ? graph_lock+0x170/0x170 [ 270.455364] 1965979 pages RAM [ 270.460744] ? enqueue_hrtimer+0x1a5/0x560 [ 270.466079] 0 pages HighMem/MovableOnly [ 270.466089] 343323 pages reserved [ 270.471100] ? lock_release+0x970/0x970 [ 270.474094] 0 pages cma reserved [ 270.477105] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 270.480957] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.483997] ? find_held_lock+0x36/0x1c0 [ 270.488312] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.492191] ? graph_lock+0x170/0x170 [ 270.495638] kworker/0:1 cpuset= [ 270.499606] ? pvclock_read_flags+0x160/0x160 [ 270.502947] / [ 270.508146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.514612] mems_allowed=0 [ 270.518667] ? check_preemption_disabled+0x48/0x200 [ 270.555674] ? __lock_is_held+0xb5/0x140 [ 270.559755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.565310] ? check_preemption_disabled+0x48/0x200 [ 270.570348] run_timer_softirq+0x52/0xb0 [ 270.574411] ? rcu_read_lock_sched_held+0x108/0x120 [ 270.579436] __do_softirq+0x30b/0xad8 [ 270.583262] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 270.588388] ? pvclock_read_flags+0x160/0x160 [ 270.592886] ? lapic_next_event+0x5a/0x90 [ 270.597044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.602586] ? check_preemption_disabled+0x48/0x200 [ 270.607603] ? check_preemption_disabled+0x48/0x200 [ 270.612627] ? kvm_clock_read+0x18/0x30 [ 270.616602] ? kvm_sched_clock_read+0x9/0x20 [ 270.621017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.626555] ? check_preemption_disabled+0x48/0x200 [ 270.631584] irq_exit+0x17f/0x1c0 [ 270.635044] smp_apic_timer_interrupt+0x1cb/0x760 [ 270.639893] ? smp_reschedule_interrupt+0x109/0x650 [ 270.644911] ? smp_call_function_single_interrupt+0x650/0x650 [ 270.650799] ? interrupt_entry+0xb5/0xf0 [ 270.654865] ? trace_hardirqs_off_caller+0xbb/0x300 [ 270.659893] ? trace_hardirqs_off_caller+0xbb/0x300 [ 270.664926] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.669774] ? trace_hardirqs_off+0x300/0x300 [ 270.674274] ? trace_hardirqs_off+0x300/0x300 [ 270.678774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.684314] ? check_preemption_disabled+0x48/0x200 [ 270.689354] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.694205] apic_timer_interrupt+0xf/0x20 [ 270.698457] [ 270.700703] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 270.705638] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 270.724540] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 270.732249] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 270.739519] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 270.746786] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 270.754055] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 270.761326] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 270.768637] skb_clone+0x1bb/0x500 [ 270.772181] ? skb_split+0x11e0/0x11e0 [ 270.776074] ? preempt_notifier_register+0x200/0x200 [ 270.781180] ? __switch_to_asm+0x34/0x70 [ 270.785243] ? __switch_to_asm+0x34/0x70 [ 270.789303] ? __switch_to_asm+0x40/0x70 [ 270.793364] ? __switch_to_asm+0x34/0x70 [ 270.797424] ? __switch_to_asm+0x40/0x70 [ 270.801493] ? __switch_to_asm+0x40/0x70 [ 270.805557] ? __switch_to_asm+0x34/0x70 [ 270.809620] ? __switch_to_asm+0x34/0x70 [ 270.813680] ? __switch_to_asm+0x40/0x70 [ 270.817738] ? __switch_to_asm+0x34/0x70 [ 270.821805] bpf_clone_redirect+0xb9/0x490 [ 270.826052] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 270.831075] ? __sched_text_start+0x8/0x8 [ 270.835235] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.840005] ? find_held_lock+0x36/0x1c0 [ 270.844091] ? lock_acquire+0x1ed/0x520 [ 270.848065] ? bpf_test_run+0x32e/0x5a0 [ 270.852047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.857589] ? check_preemption_disabled+0x48/0x200 [ 270.862632] ? kasan_check_read+0x11/0x20 [ 270.866786] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.872069] ? rcu_bh_qs+0xc0/0xc0 [ 270.875616] ? preempt_schedule+0x4d/0x60 [ 270.879764] ? ___preempt_schedule+0x16/0x18 [ 270.884179] ? bpf_test_run+0x1c0/0x5a0 [ 270.888169] ? netlink_diag_dump+0x2a0/0x2a0 [ 270.892585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.898128] ? bpf_test_init.isra.9+0x70/0x100 [ 270.902717] ? bpf_prog_test_run_skb+0x634/0xb40 [ 270.907504] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 270.912352] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 270.917889] ? fput+0x130/0x1a0 [ 270.921170] ? __bpf_prog_get+0x9b/0x290 [ 270.925236] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 270.930084] ? bpf_prog_test_run+0x130/0x1a0 [ 270.934503] ? __x64_sys_bpf+0x3d8/0x510 [ 270.938579] ? bpf_prog_get+0x20/0x20 [ 270.942391] ? ksys_ioctl+0x81/0xd0 [ 270.946030] ? do_syscall_64+0x1b9/0x820 [ 270.950109] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 270.955510] ? syscall_return_slowpath+0x5e0/0x5e0 [ 270.960445] ? trace_hardirqs_off+0x300/0x300 [ 270.964946] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 270.969984] ? recalc_sigpending_tsk+0x180/0x180 [ 270.974747] ? kasan_check_write+0x14/0x20 [ 270.979033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.983886] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 270.989269] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 270.989341] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.996117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.996141] Workqueue: (null) [ 271.002739] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.011972] (events) [ 271.016022] syz-executor1 cpuset= [ 271.028904] syz1 [ 271.032337] Call Trace: [ 271.032351] mems_allowed=0 [ 271.034312] [ 271.041958] dump_stack+0x1c4/0x2b4 [ 271.045611] ? dump_stack_print_info.cold.2+0x52/0x52 [ 271.050817] warn_alloc.cold.118+0xb7/0x1bd [ 271.055144] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 271.060004] ? lock_downgrade+0x900/0x900 [ 271.064165] ? trace_hardirqs_off+0xb8/0x300 [ 271.068594] ? trace_hardirqs_off+0xb8/0x300 [ 271.073036] __alloc_pages_slowpath+0x2667/0x2d80 [ 271.077911] ? warn_alloc+0x120/0x120 [ 271.081714] ? trace_hardirqs_on+0x310/0x310 [ 271.086124] ? warn_alloc+0x120/0x120 [ 271.089931] ? print_usage_bug+0xc0/0xc0 [ 271.094003] ? warn_alloc+0x120/0x120 [ 271.097801] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 271.102839] ? print_usage_bug+0xc0/0xc0 [ 271.106920] ? __lock_acquire+0x7ec/0x4ec0 [ 271.111180] ? __lock_acquire+0x7ec/0x4ec0 [ 271.115444] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.121011] ? should_fail+0x22d/0xd01 [ 271.124912] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.130018] ? __lock_acquire+0x7ec/0x4ec0 [ 271.134260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.139362] ? __lock_acquire+0x7ec/0x4ec0 [ 271.143595] ? should_fail+0x22d/0xd01 [ 271.147481] ? print_usage_bug+0xc0/0xc0 [ 271.151552] ? mark_held_locks+0x130/0x130 [ 271.155813] ? mark_held_locks+0x130/0x130 [ 271.160068] ? graph_lock+0x170/0x170 [ 271.163894] ? print_usage_bug+0xc0/0xc0 [ 271.167988] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 271.172747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.178284] ? check_preemption_disabled+0x48/0x200 [ 271.183299] ? check_preemption_disabled+0x48/0x200 [ 271.188328] ? __lock_is_held+0xb5/0x140 [ 271.192400] __alloc_pages_nodemask+0xa80/0xde0 [ 271.197080] ? graph_lock+0x170/0x170 [ 271.200915] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 271.205927] ? graph_lock+0x170/0x170 [ 271.209738] ? find_held_lock+0x36/0x1c0 [ 271.213831] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.218506] ? lock_downgrade+0x900/0x900 [ 271.222665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.228295] cache_grow_begin+0x91/0x8c0 [ 271.232362] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.236796] fallback_alloc+0x203/0x2e0 [ 271.240780] ____cache_alloc_node+0x1c7/0x1e0 [ 271.245281] kmem_cache_alloc_node+0xe3/0x730 [ 271.249780] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.254028] __alloc_skb+0x119/0x770 [ 271.257744] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.263032] ? skb_scrub_packet+0x490/0x490 [ 271.267354] ? lock_downgrade+0x900/0x900 [ 271.271516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.277055] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.282523] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.287986] ? addrconf_rs_timer+0x6f0/0x6f0 [ 271.292422] ndisc_alloc_skb+0x144/0x340 [ 271.296488] ndisc_send_rs+0x331/0x6e0 [ 271.300404] addrconf_rs_timer+0x3c0/0x6f0 [ 271.304645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.308894] call_timer_fn+0x272/0x920 [ 271.312788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.317031] ? process_timeout+0x40/0x40 [ 271.321105] ? find_held_lock+0x36/0x1c0 [ 271.325180] ? __run_timers+0x7da/0xc70 [ 271.329164] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.333660] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.338159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.342407] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 271.347027] ? trace_hardirqs_on+0xbd/0x310 [ 271.351350] ? kasan_check_read+0x11/0x20 [ 271.355502] ? __run_timers+0x7da/0xc70 [ 271.359479] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.364940] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.369190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.373429] __run_timers+0x7e5/0xc70 [ 271.377249] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 271.382618] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.387646] ? graph_lock+0x170/0x170 [ 271.391452] ? enqueue_hrtimer+0x1a5/0x560 [ 271.395698] ? lock_release+0x970/0x970 [ 271.399674] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 271.404873] ? find_held_lock+0x36/0x1c0 [ 271.408944] ? pvclock_read_flags+0x160/0x160 [ 271.413449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.419005] ? check_preemption_disabled+0x48/0x200 [ 271.424032] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 271.429616] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.434906] ? rcu_pm_notify+0xc0/0xc0 [ 271.438800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.444341] ? check_preemption_disabled+0x48/0x200 [ 271.449365] run_timer_softirq+0x52/0xb0 [ 271.453430] ? rcu_read_lock_sched_held+0x108/0x120 [ 271.458449] __do_softirq+0x30b/0xad8 [ 271.462275] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 271.467387] ? pvclock_read_flags+0x160/0x160 [ 271.471890] ? lapic_next_event+0x5a/0x90 [ 271.476042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.481584] ? check_preemption_disabled+0x48/0x200 [ 271.486601] ? check_preemption_disabled+0x48/0x200 [ 271.491628] ? kvm_clock_read+0x18/0x30 [ 271.495609] ? kvm_sched_clock_read+0x9/0x20 [ 271.500027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.505565] ? check_preemption_disabled+0x48/0x200 [ 271.510619] irq_exit+0x17f/0x1c0 [ 271.514088] smp_apic_timer_interrupt+0x1cb/0x760 [ 271.518935] ? smp_call_function_single_interrupt+0x650/0x650 [ 271.524823] ? interrupt_entry+0xb5/0xf0 [ 271.528887] ? trace_hardirqs_off_caller+0xbb/0x300 [ 271.533901] ? trace_hardirqs_off_caller+0xbb/0x300 [ 271.538921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.543766] ? trace_hardirqs_off+0x300/0x300 [ 271.548260] ? trace_hardirqs_off+0x300/0x300 [ 271.552762] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.558300] ? check_preemption_disabled+0x48/0x200 [ 271.563331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.568877] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.573732] apic_timer_interrupt+0xf/0x20 [ 271.577962] [ 271.580226] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 271.585333] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 271.604233] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 271.611945] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 271.619213] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 271.626482] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 271.633750] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 271.641041] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 271.648341] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.652860] finish_task_switch+0x1f5/0x900 [ 271.657182] ? finish_task_switch+0x1b5/0x900 [ 271.661680] ? __switch_to_asm+0x34/0x70 [ 271.665759] ? preempt_notifier_register+0x200/0x200 [ 271.670874] ? __switch_to_asm+0x34/0x70 [ 271.674941] ? __switch_to_asm+0x34/0x70 [ 271.679019] ? __switch_to_asm+0x40/0x70 [ 271.683081] ? __switch_to_asm+0x34/0x70 [ 271.687141] ? __switch_to_asm+0x40/0x70 [ 271.691200] ? __switch_to_asm+0x34/0x70 [ 271.695259] ? __switch_to_asm+0x40/0x70 [ 271.699318] ? __switch_to_asm+0x34/0x70 [ 271.703377] ? __switch_to_asm+0x40/0x70 [ 271.707436] ? __switch_to_asm+0x34/0x70 [ 271.711512] ? __switch_to_asm+0x40/0x70 [ 271.715571] ? __switch_to_asm+0x34/0x70 [ 271.719631] ? __switch_to_asm+0x40/0x70 [ 271.723705] ? __switch_to_asm+0x34/0x70 [ 271.727766] ? __switch_to_asm+0x40/0x70 [ 271.731844] __schedule+0x874/0x1ed0 [ 271.735558] ? lockdep_hardirqs_on+0x421/0x5c0 [ 271.740176] ? __sched_text_start+0x8/0x8 [ 271.744338] ? graph_lock+0x170/0x170 [ 271.748149] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 271.752916] ? lockdep_hardirqs_on+0x421/0x5c0 [ 271.757500] ? retint_kernel+0x2d/0x2d [ 271.761395] ? find_held_lock+0x36/0x1c0 [ 271.765483] schedule+0xfe/0x460 [ 271.768859] ? __schedule+0x1ed0/0x1ed0 [ 271.772848] ? lockdep_hardirqs_on+0x421/0x5c0 [ 271.777458] ? trace_hardirqs_on+0xbd/0x310 [ 271.781779] ? kasan_check_read+0x11/0x20 [ 271.785928] ? worker_thread+0x3ca/0x1390 [ 271.790111] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.795563] ? kasan_check_write+0x14/0x20 [ 271.799802] ? do_raw_spin_lock+0xc1/0x200 [ 271.804047] worker_thread+0x3cf/0x1390 [ 271.808021] ? __switch_to_asm+0x34/0x70 [ 271.812099] ? process_one_work+0x1b90/0x1b90 [ 271.816605] ? graph_lock+0x170/0x170 [ 271.820415] ? __sched_text_start+0x8/0x8 [ 271.824575] ? find_held_lock+0x36/0x1c0 [ 271.828660] ? __kthread_parkme+0xce/0x1a0 [ 271.832917] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 271.838024] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 271.843132] ? lockdep_hardirqs_on+0x421/0x5c0 [ 271.847735] ? trace_hardirqs_on+0xbd/0x310 [ 271.852053] ? kasan_check_read+0x11/0x20 [ 271.856213] ? __kthread_parkme+0xce/0x1a0 [ 271.860452] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.865911] ? kasan_check_write+0x14/0x20 [ 271.870149] ? do_raw_spin_lock+0xc1/0x200 [ 271.874394] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 271.879503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.885052] ? __kthread_parkme+0xfb/0x1a0 [ 271.889298] kthread+0x35a/0x420 [ 271.892666] ? process_one_work+0x1b90/0x1b90 [ 271.897160] ? kthread_bind+0x40/0x40 [ 271.900968] ret_from_fork+0x3a/0x50 [ 271.904723] warn_alloc_show_mem: 1 callbacks suppressed [ 271.904735] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 271.904738] Mem-Info: [ 271.904794] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 271.904794] active_file:13 inactive_file:18 isolated_file:0 [ 271.904794] unevictable:0 dirty:0 writeback:0 unstable:0 [ 271.904794] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 271.904794] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 271.904794] free:13747 free_pcp:307 free_cma:0 [ 271.910130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.910152] Call Trace: [ 271.917347] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 271.919749] [ 271.952625] Node 0 [ 271.961989] dump_stack+0x1c4/0x2b4 [ 271.964576] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 271.992230] ? dump_stack_print_info.cold.2+0x52/0x52 [ 271.994355] lowmem_reserve[]: [ 271.996599] warn_alloc.cold.118+0xb7/0x1bd [ 272.000197] 0 [ 272.025944] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 272.025955] ? lock_downgrade+0x900/0x900 [ 272.025971] ? trace_hardirqs_off+0xb8/0x300 [ 272.025991] ? trace_hardirqs_off+0xb8/0x300 [ 272.026012] __alloc_pages_slowpath+0x2667/0x2d80 [ 272.031188] 2815 [ 272.034312] ? warn_alloc+0x120/0x120 [ 272.038589] 6318 [ 272.040388] ? trace_hardirqs_on+0x310/0x310 [ 272.045207] 6318 [ 272.049349] ? warn_alloc+0x120/0x120 [ 272.058147] ? print_usage_bug+0xc0/0xc0 [ 272.062971] Node 0 [ 272.065039] ? warn_alloc+0x120/0x120 [ 272.068840] DMA32 free:25280kB 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 [ 272.070876] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 272.075262] lowmem_reserve[]: [ 272.077322] ? print_usage_bug+0xc0/0xc0 [ 272.081099] 0 [ 272.085155] ? __lock_acquire+0x7ec/0x4ec0 [ 272.087361] 0 3503 [ 272.091170] ? __lock_acquire+0x7ec/0x4ec0 [ 272.118137] 3503 [ 272.123153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.130464] ? should_fail+0x22d/0xd01 [ 272.132245] Node 0 [ 272.136980] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.139224] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 272.143441] ? __lock_acquire+0x7ec/0x4ec0 [ 272.145474] lowmem_reserve[]: 0 0 [ 272.151036] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.154899] 0 [ 272.157132] ? __lock_acquire+0x7ec/0x4ec0 [ 272.162204] 0 [ 272.190577] ? should_fail+0x22d/0xd01 [ 272.194789] Node 0 [ 272.198242] ? print_usage_bug+0xc0/0xc0 [ 272.203317] DMA: 1*4kB [ 272.205143] ? mark_held_locks+0x130/0x130 [ 272.209351] (U) [ 272.211150] ? mark_held_locks+0x130/0x130 [ 272.215014] 0*8kB [ 272.217253] ? graph_lock+0x170/0x170 [ 272.221290] 0*16kB [ 272.223870] ? print_usage_bug+0xc0/0xc0 [ 272.228085] 1*32kB [ 272.230057] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.234263] (U) [ 272.236425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.240197] 2*64kB (U) [ 272.242442] ? check_preemption_disabled+0x48/0x200 [ 272.246506] 1*128kB [ 272.248740] ? check_preemption_disabled+0x48/0x200 [ 272.253471] (U) [ 272.255455] ? __lock_is_held+0xb5/0x140 [ 272.260957] 1*256kB (U) [ 272.263560] __alloc_pages_nodemask+0xa80/0xde0 [ 272.268552] 0*512kB [ 272.270871] ? graph_lock+0x170/0x170 [ 272.275858] 1*1024kB (U) [ 272.277843] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.281885] 1*2048kB [ 272.284553] ? graph_lock+0x170/0x170 [ 272.289198] (M) [ 272.291529] ? find_held_lock+0x36/0x1c0 [ 272.295305] 3*4096kB [ 272.298063] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.303051] (M) [ 272.305458] ? lock_downgrade+0x900/0x900 [ 272.309235] = 15908kB [ 272.311212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.315248] Node 0 [ 272.317659] cache_grow_begin+0x91/0x8c0 [ 272.322294] DMA32: 4*4kB [ 272.324281] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.328397] (UM) 2*8kB [ 272.330824] fallback_alloc+0x203/0x2e0 [ 272.336338] (M) [ 272.338604] ____cache_alloc_node+0x1c7/0x1e0 [ 272.342640] 2*16kB (UM) [ 272.345407] kmem_cache_alloc_node+0xe3/0x730 [ 272.349784] 2*32kB (UM) [ 272.352375] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.356326] 3*64kB [ 272.358303] __alloc_skb+0x119/0x770 [ 272.362766] (UM) [ 272.365437] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.369912] 3*128kB (M) [ 272.372601] ? skb_scrub_packet+0x490/0x490 [ 272.376805] 2*256kB (M) [ 272.379076] ? lock_downgrade+0x900/0x900 [ 272.382790] 3*512kB [ 272.384851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.390097] (M) [ 272.392770] ? refcount_sub_and_test_checked+0x203/0x310 [ 272.397061] 4*1024kB (UM) [ 272.399739] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 272.403864] 3*2048kB [ 272.406185] ? addrconf_rs_timer+0x6f0/0x6f0 [ 272.411713] (UM) [ 272.413711] ndisc_alloc_skb+0x144/0x340 [ 272.419135] 3*4096kB (M) [ 272.422010] ndisc_send_rs+0x331/0x6e0 [ 272.427428] = 25280kB [ 272.427437] Node 0 [ 272.429854] addrconf_rs_timer+0x3c0/0x6f0 [ 272.434233] Normal: [ 272.436299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.440350] 876*4kB [ 272.443116] call_timer_fn+0x272/0x920 [ 272.446990] (UME) [ 272.449401] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.451620] 393*8kB [ 272.455855] ? process_timeout+0x40/0x40 [ 272.458156] (UMEH) [ 272.462386] ? find_held_lock+0x36/0x1c0 [ 272.464680] 183*16kB (UMEH) [ 272.468576] ? __run_timers+0x7da/0xc70 [ 272.470708] 70*32kB (UMEH) [ 272.474950] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.477246] 13*64kB (UMH) [ 272.481314] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.483527] 3*128kB [ 272.487595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.490588] (UH) [ 272.494562] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 272.497468] 3*256kB [ 272.501971] ? trace_hardirqs_on+0xbd/0x310 [ 272.504832] (H) [ 272.509325] ? kasan_check_read+0x11/0x20 [ 272.511630] 0*512kB [ 272.515864] ? __run_timers+0x7da/0xc70 [ 272.517917] 0*1024kB [ 272.522495] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.524787] 0*2048kB 0*4096kB [ 272.529117] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.531068] = 13800kB [ 272.535213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.537523] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 272.541495] __run_timers+0x7e5/0xc70 [ 272.543880] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 272.549330] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 272.552484] 410 total pagecache pages [ 272.552501] 0 pages in swap cache [ 272.556726] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 272.559117] Swap cache stats: add 0, delete 0, find 0/0 [ 272.563343] ? graph_lock+0x170/0x170 [ 272.572151] Free swap = 0kB [ 272.572160] Total swap = 0kB [ 272.575978] ? enqueue_hrtimer+0x1a5/0x560 [ 272.584537] 1965979 pages RAM [ 272.589897] ? lock_release+0x970/0x970 [ 272.593671] 0 pages HighMem/MovableOnly [ 272.597139] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 272.602122] 343323 pages reserved [ 272.602132] 0 pages cma reserved [ 272.607500] ? find_held_lock+0x36/0x1c0 [ 272.611356] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 272.614286] ? graph_lock+0x170/0x170 [ 272.617374] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 272.621524] ? pvclock_read_flags+0x160/0x160 [ 272.624610] kworker/0:1 cpuset= [ 272.628586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.632539] / [ 272.637726] ? check_preemption_disabled+0x48/0x200 [ 272.641171] mems_allowed=0 [ 272.644535] ? __lock_is_held+0xb5/0x140 [ 272.696060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.701619] ? check_preemption_disabled+0x48/0x200 [ 272.706666] run_timer_softirq+0x52/0xb0 [ 272.710728] ? rcu_read_lock_sched_held+0x108/0x120 [ 272.715749] __do_softirq+0x30b/0xad8 [ 272.719575] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 272.724698] ? pvclock_read_flags+0x160/0x160 [ 272.729195] ? lapic_next_event+0x5a/0x90 [ 272.733348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.738890] ? check_preemption_disabled+0x48/0x200 [ 272.743936] ? check_preemption_disabled+0x48/0x200 [ 272.748988] ? kvm_clock_read+0x18/0x30 [ 272.752973] ? kvm_sched_clock_read+0x9/0x20 [ 272.757384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.762921] ? check_preemption_disabled+0x48/0x200 [ 272.767949] irq_exit+0x17f/0x1c0 [ 272.771414] smp_apic_timer_interrupt+0x1cb/0x760 [ 272.776260] ? smp_reschedule_interrupt+0x109/0x650 [ 272.781292] ? smp_call_function_single_interrupt+0x650/0x650 [ 272.787193] ? interrupt_entry+0xb5/0xf0 [ 272.791261] ? trace_hardirqs_off_caller+0xbb/0x300 [ 272.796276] ? trace_hardirqs_off_caller+0xbb/0x300 [ 272.801316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.806164] ? trace_hardirqs_off+0x300/0x300 [ 272.810669] ? trace_hardirqs_off+0x300/0x300 [ 272.815167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.820705] ? check_preemption_disabled+0x48/0x200 [ 272.825752] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.830604] apic_timer_interrupt+0xf/0x20 [ 272.834834] [ 272.837074] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 272.842006] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 272.860907] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 272.868619] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 272.875885] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 272.883154] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 272.890444] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 272.897717] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 272.905042] skb_clone+0x1bb/0x500 [ 272.908587] ? skb_split+0x11e0/0x11e0 [ 272.912489] ? preempt_notifier_register+0x200/0x200 [ 272.917592] ? __switch_to_asm+0x34/0x70 [ 272.921652] ? __switch_to_asm+0x34/0x70 [ 272.925715] ? __switch_to_asm+0x40/0x70 [ 272.929773] ? __switch_to_asm+0x34/0x70 [ 272.933834] ? __switch_to_asm+0x40/0x70 [ 272.937894] ? __switch_to_asm+0x40/0x70 [ 272.941958] ? __switch_to_asm+0x34/0x70 [ 272.946030] ? __switch_to_asm+0x34/0x70 [ 272.950093] ? __switch_to_asm+0x40/0x70 [ 272.954154] ? __switch_to_asm+0x34/0x70 [ 272.958225] bpf_clone_redirect+0xb9/0x490 [ 272.962474] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 272.967505] ? __sched_text_start+0x8/0x8 [ 272.971659] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.976463] ? find_held_lock+0x36/0x1c0 [ 272.980561] ? lock_acquire+0x1ed/0x520 [ 272.984537] ? bpf_test_run+0x32e/0x5a0 [ 272.988514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.994055] ? check_preemption_disabled+0x48/0x200 [ 272.999076] ? kasan_check_read+0x11/0x20 [ 273.003230] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.008510] ? rcu_bh_qs+0xc0/0xc0 [ 273.012055] ? preempt_schedule+0x4d/0x60 [ 273.016210] ? ___preempt_schedule+0x16/0x18 [ 273.020631] ? bpf_test_run+0x1c0/0x5a0 [ 273.024617] ? netlink_diag_dump+0x2a0/0x2a0 [ 273.029033] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.034571] ? bpf_test_init.isra.9+0x70/0x100 [ 273.039161] ? bpf_prog_test_run_skb+0x634/0xb40 [ 273.043926] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.048771] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 273.054310] ? fput+0x130/0x1a0 [ 273.057592] ? __bpf_prog_get+0x9b/0x290 [ 273.061662] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.066520] ? bpf_prog_test_run+0x130/0x1a0 [ 273.070944] ? __x64_sys_bpf+0x3d8/0x510 [ 273.075025] ? bpf_prog_get+0x20/0x20 [ 273.078840] ? ksys_ioctl+0x81/0xd0 [ 273.082487] ? do_syscall_64+0x1b9/0x820 [ 273.086552] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 273.091933] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.096874] ? trace_hardirqs_off+0x300/0x300 [ 273.101375] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 273.106394] ? recalc_sigpending_tsk+0x180/0x180 [ 273.111154] ? kasan_check_write+0x14/0x20 [ 273.115399] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.120258] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 273.125645] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 273.125715] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.132492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.132515] Workqueue: (null) (events) [ 273.132528] Call Trace: [ 273.132541] [ 273.139112] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.148376] dump_stack+0x1c4/0x2b4 [ 273.153203] syz-executor1 cpuset= [ 273.155785] ? dump_stack_print_info.cold.2+0x52/0x52 [ 273.157926] syz1 [ 273.168414] warn_alloc.cold.118+0xb7/0x1bd [ 273.172016] mems_allowed=0 [ 273.175463] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.194646] ? lock_downgrade+0x900/0x900 [ 273.198805] ? trace_hardirqs_off+0xb8/0x300 [ 273.203225] ? trace_hardirqs_off+0xb8/0x300 [ 273.207649] __alloc_pages_slowpath+0x2667/0x2d80 [ 273.212531] ? warn_alloc+0x120/0x120 [ 273.216339] ? trace_hardirqs_on+0x310/0x310 [ 273.220763] ? warn_alloc+0x120/0x120 [ 273.224570] ? print_usage_bug+0xc0/0xc0 [ 273.228635] ? warn_alloc+0x120/0x120 [ 273.232437] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 273.237455] ? print_usage_bug+0xc0/0xc0 [ 273.241521] ? __lock_acquire+0x7ec/0x4ec0 [ 273.245755] ? __lock_acquire+0x7ec/0x4ec0 [ 273.249999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.255541] ? should_fail+0x22d/0xd01 [ 273.259450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.264557] ? __lock_acquire+0x7ec/0x4ec0 [ 273.268810] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.273930] ? __lock_acquire+0x7ec/0x4ec0 [ 273.278166] ? should_fail+0x22d/0xd01 [ 273.282053] ? print_usage_bug+0xc0/0xc0 [ 273.286126] ? mark_held_locks+0x130/0x130 [ 273.290369] ? mark_held_locks+0x130/0x130 [ 273.294615] ? graph_lock+0x170/0x170 [ 273.298418] ? print_usage_bug+0xc0/0xc0 [ 273.302483] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.307246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.312783] ? check_preemption_disabled+0x48/0x200 [ 273.317811] ? check_preemption_disabled+0x48/0x200 [ 273.322840] ? __lock_is_held+0xb5/0x140 [ 273.326914] __alloc_pages_nodemask+0xa80/0xde0 [ 273.331594] ? graph_lock+0x170/0x170 [ 273.335411] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 273.340446] ? graph_lock+0x170/0x170 [ 273.344264] ? find_held_lock+0x36/0x1c0 [ 273.348339] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.353017] ? lock_downgrade+0x900/0x900 [ 273.357175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.362720] cache_grow_begin+0x91/0x8c0 [ 273.366787] ? do_raw_spin_unlock+0xa7/0x2f0 [ 273.371206] fallback_alloc+0x203/0x2e0 [ 273.375192] ____cache_alloc_node+0x1c7/0x1e0 [ 273.379694] kmem_cache_alloc_node+0xe3/0x730 [ 273.384193] ? ipv6_get_ifaddr+0x42e/0x620 [ 273.388440] __alloc_skb+0x119/0x770 [ 273.392169] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.397465] ? skb_scrub_packet+0x490/0x490 [ 273.401788] ? lock_downgrade+0x900/0x900 [ 273.405956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.411506] ? refcount_sub_and_test_checked+0x203/0x310 [ 273.416962] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 273.422433] ? addrconf_rs_timer+0x6f0/0x6f0 [ 273.426859] ndisc_alloc_skb+0x144/0x340 [ 273.430927] ndisc_send_rs+0x331/0x6e0 [ 273.434828] addrconf_rs_timer+0x3c0/0x6f0 [ 273.439075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.443361] call_timer_fn+0x272/0x920 [ 273.447249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.451489] ? process_timeout+0x40/0x40 [ 273.455550] ? find_held_lock+0x36/0x1c0 [ 273.459624] ? __run_timers+0x7da/0xc70 [ 273.463612] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.468118] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.472626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.476879] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 273.481475] ? trace_hardirqs_on+0xbd/0x310 [ 273.485806] ? kasan_check_read+0x11/0x20 [ 273.489957] ? __run_timers+0x7da/0xc70 [ 273.493968] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.499436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.503680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.507917] __run_timers+0x7e5/0xc70 [ 273.511733] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 273.517105] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.522125] ? graph_lock+0x170/0x170 [ 273.525929] ? enqueue_hrtimer+0x1a5/0x560 [ 273.530164] ? lock_release+0x970/0x970 [ 273.534144] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.539344] ? find_held_lock+0x36/0x1c0 [ 273.543417] ? pvclock_read_flags+0x160/0x160 [ 273.547911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.553450] ? check_preemption_disabled+0x48/0x200 [ 273.558488] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 273.564037] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.569331] ? rcu_pm_notify+0xc0/0xc0 [ 273.573226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.578764] ? check_preemption_disabled+0x48/0x200 [ 273.583792] run_timer_softirq+0x52/0xb0 [ 273.587854] ? rcu_read_lock_sched_held+0x108/0x120 [ 273.592907] __do_softirq+0x30b/0xad8 [ 273.596723] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 273.601832] ? pvclock_read_flags+0x160/0x160 [ 273.606331] ? lapic_next_event+0x5a/0x90 [ 273.610497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.616033] ? check_preemption_disabled+0x48/0x200 [ 273.621070] ? check_preemption_disabled+0x48/0x200 [ 273.626096] ? kvm_clock_read+0x18/0x30 [ 273.630070] ? kvm_sched_clock_read+0x9/0x20 [ 273.634484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.640050] ? check_preemption_disabled+0x48/0x200 [ 273.645093] irq_exit+0x17f/0x1c0 [ 273.648580] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.653444] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.659332] ? interrupt_entry+0xb5/0xf0 [ 273.663421] ? trace_hardirqs_off_caller+0xbb/0x300 [ 273.668447] ? trace_hardirqs_off_caller+0xbb/0x300 [ 273.673465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.678311] ? trace_hardirqs_off+0x300/0x300 [ 273.682804] ? trace_hardirqs_off+0x300/0x300 [ 273.687301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.692840] ? check_preemption_disabled+0x48/0x200 [ 273.697856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.703416] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.708273] apic_timer_interrupt+0xf/0x20 [ 273.712501] [ 273.714740] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 273.719844] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 273.738746] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 273.746454] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 273.753720] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 273.761001] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 273.768269] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 273.775539] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 273.782837] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.787335] finish_task_switch+0x1f5/0x900 [ 273.791657] ? finish_task_switch+0x1b5/0x900 [ 273.796157] ? __switch_to_asm+0x34/0x70 [ 273.800228] ? preempt_notifier_register+0x200/0x200 [ 273.805334] ? __switch_to_asm+0x34/0x70 [ 273.809405] ? __switch_to_asm+0x34/0x70 [ 273.813468] ? __switch_to_asm+0x40/0x70 [ 273.817532] ? __switch_to_asm+0x34/0x70 [ 273.821599] ? __switch_to_asm+0x40/0x70 [ 273.825659] ? __switch_to_asm+0x34/0x70 [ 273.829719] ? __switch_to_asm+0x40/0x70 [ 273.833800] ? __switch_to_asm+0x34/0x70 [ 273.837861] ? __switch_to_asm+0x40/0x70 [ 273.841918] ? __switch_to_asm+0x34/0x70 [ 273.845986] ? __switch_to_asm+0x40/0x70 [ 273.850043] ? __switch_to_asm+0x34/0x70 [ 273.854100] ? __switch_to_asm+0x40/0x70 [ 273.858160] ? __switch_to_asm+0x34/0x70 [ 273.862224] ? __switch_to_asm+0x40/0x70 [ 273.866300] __schedule+0x874/0x1ed0 [ 273.870016] ? lockdep_hardirqs_on+0x421/0x5c0 [ 273.874608] ? __sched_text_start+0x8/0x8 [ 273.878762] ? graph_lock+0x170/0x170 [ 273.882567] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.887332] ? lockdep_hardirqs_on+0x421/0x5c0 [ 273.891915] ? retint_kernel+0x2d/0x2d [ 273.895819] ? find_held_lock+0x36/0x1c0 [ 273.899896] schedule+0xfe/0x460 [ 273.903269] ? __schedule+0x1ed0/0x1ed0 [ 273.907245] ? lockdep_hardirqs_on+0x421/0x5c0 [ 273.911833] ? trace_hardirqs_on+0xbd/0x310 [ 273.916157] ? kasan_check_read+0x11/0x20 [ 273.920305] ? worker_thread+0x3ca/0x1390 [ 273.924457] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.929911] ? kasan_check_write+0x14/0x20 [ 273.934150] ? do_raw_spin_lock+0xc1/0x200 [ 273.938406] worker_thread+0x3cf/0x1390 [ 273.942383] ? __switch_to_asm+0x34/0x70 [ 273.946460] ? process_one_work+0x1b90/0x1b90 [ 273.950969] ? graph_lock+0x170/0x170 [ 273.954799] ? __sched_text_start+0x8/0x8 [ 273.958971] ? find_held_lock+0x36/0x1c0 [ 273.963068] ? __kthread_parkme+0xce/0x1a0 [ 273.967311] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 273.972420] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 273.977528] ? lockdep_hardirqs_on+0x421/0x5c0 [ 273.982117] ? trace_hardirqs_on+0xbd/0x310 [ 273.986439] ? kasan_check_read+0x11/0x20 [ 273.990591] ? __kthread_parkme+0xce/0x1a0 [ 273.994844] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.000300] ? kasan_check_write+0x14/0x20 [ 274.004536] ? do_raw_spin_lock+0xc1/0x200 [ 274.008777] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.013880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.019423] ? __kthread_parkme+0xfb/0x1a0 [ 274.023694] kthread+0x35a/0x420 [ 274.027542] ? process_one_work+0x1b90/0x1b90 [ 274.032044] ? kthread_bind+0x40/0x40 [ 274.035849] ret_from_fork+0x3a/0x50 [ 274.039598] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 274.039604] warn_alloc_show_mem: 1 callbacks suppressed [ 274.039612] Mem-Info: [ 274.046801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.052169] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 274.052169] active_file:13 inactive_file:18 isolated_file:0 [ 274.052169] unevictable:0 dirty:0 writeback:0 unstable:0 [ 274.052169] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 274.052169] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 274.052169] free:13747 free_pcp:307 free_cma:0 [ 274.054546] Call Trace: [ 274.063937] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 274.096791] [ 274.099366] Node 0 [ 274.127066] dump_stack+0x1c4/0x2b4 [ 274.129217] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 274.131429] ? dump_stack_print_info.cold.2+0x52/0x52 [ 274.135210] lowmem_reserve[]: 0 [ 274.160735] warn_alloc.cold.118+0xb7/0x1bd [ 274.165891] 2815 [ 274.169170] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 274.173464] 6318 6318 [ 274.175542] ? lock_downgrade+0x900/0x900 [ 274.180361] Node 0 [ 274.182859] ? trace_hardirqs_off+0xb8/0x300 [ 274.187010] DMA32 free:25280kB 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 [ 274.189219] ? trace_hardirqs_off+0xb8/0x300 [ 274.193595] lowmem_reserve[]: 0 [ 274.220595] __alloc_pages_slowpath+0x2667/0x2d80 [ 274.224973] 0 3503 [ 274.228282] ? warn_alloc+0x120/0x120 [ 274.233076] 3503 [ 274.235323] ? trace_hardirqs_on+0x310/0x310 [ 274.241166] ? warn_alloc+0x120/0x120 [ 274.245553] Node 0 Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 274.249381] ? print_usage_bug+0xc0/0xc0 [ 274.249397] ? warn_alloc+0x120/0x120 [ 274.278347] lowmem_reserve[]: 0 [ 274.282420] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 274.286189] 0 0 [ 274.289475] ? print_usage_bug+0xc0/0xc0 [ 274.294468] 0 [ 274.296442] ? __lock_acquire+0x7ec/0x4ec0 [ 274.302301] ? __lock_acquire+0x7ec/0x4ec0 [ 274.306518] Node 0 DMA: [ 274.310759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.310789] ? should_fail+0x22d/0xd01 [ 274.313440] 1*4kB [ 274.318996] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.322869] (U) [ 274.325020] ? __lock_acquire+0x7ec/0x4ec0 [ 274.330099] 0*8kB [ 274.332094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.336308] 0*16kB [ 274.338455] ? __lock_acquire+0x7ec/0x4ec0 [ 274.343536] 1*32kB [ 274.345768] ? should_fail+0x22d/0xd01 [ 274.349983] (U) [ 274.352226] ? print_usage_bug+0xc0/0xc0 [ 274.356106] 2*64kB [ 274.358082] ? mark_held_locks+0x130/0x130 [ 274.362112] (U) [ 274.364344] ? mark_held_locks+0x130/0x130 [ 274.368555] 1*128kB [ 274.370529] ? graph_lock+0x170/0x170 [ 274.374750] (U) [ 274.377071] ? print_usage_bug+0xc0/0xc0 [ 274.380849] 1*256kB [ 274.382847] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 274.386886] (U) [ 274.389210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.393940] 0*512kB [ 274.395918] ? check_preemption_disabled+0x48/0x200 [ 274.401428] 1*1024kB (U) [ 274.403755] ? check_preemption_disabled+0x48/0x200 [ 274.408752] 1*2048kB [ 274.411517] ? __lock_is_held+0xb5/0x140 [ 274.416519] (M) [ 274.418930] __alloc_pages_nodemask+0xa80/0xde0 [ 274.422965] 3*4096kB [ 274.424952] ? graph_lock+0x170/0x170 [ 274.429600] (M) [ 274.432023] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 274.435794] = 15908kB [ 274.435803] Node 0 [ 274.437775] ? graph_lock+0x170/0x170 [ 274.442761] DMA32: 4*4kB [ 274.445197] ? find_held_lock+0x36/0x1c0 [ 274.447407] (UM) [ 274.451219] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.453950] 2*8kB [ 274.458012] ? lock_downgrade+0x900/0x900 [ 274.460056] (M) [ 274.464725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.466846] 2*16kB (UM) [ 274.471006] cache_grow_begin+0x91/0x8c0 [ 274.472953] 2*32kB (UM) [ 274.478512] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.481160] 3*64kB (UM) [ 274.485230] fallback_alloc+0x203/0x2e0 [ 274.487873] 3*128kB (M) [ 274.492291] ____cache_alloc_node+0x1c7/0x1e0 [ 274.494946] 2*256kB (M) [ 274.498935] kmem_cache_alloc_node+0xe3/0x730 [ 274.501582] 3*512kB [ 274.506072] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.508720] (M) [ 274.513231] __alloc_skb+0x119/0x770 [ 274.515527] 4*1024kB (UM) [ 274.519804] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.521759] 3*2048kB [ 274.525484] ? skb_scrub_packet+0x490/0x490 [ 274.528300] (UM) [ 274.533571] ? lock_downgrade+0x900/0x900 [ 274.535954] 3*4096kB (M) [ 274.540293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.542331] = 25280kB [ 274.546485] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.549218] Node 0 [ 274.554751] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.557137] Normal: 876*4kB [ 274.562594] ? addrconf_rs_timer+0x6f0/0x6f0 [ 274.564803] (UME) [ 274.570271] ndisc_alloc_skb+0x144/0x340 [ 274.573257] 393*8kB (UMEH) [ 274.577672] ndisc_send_rs+0x331/0x6e0 [ 274.579796] 183*16kB (UMEH) [ 274.583864] addrconf_rs_timer+0x3c0/0x6f0 [ 274.586775] 70*32kB [ 274.590670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.593663] (UMEH) [ 274.597925] call_timer_fn+0x272/0x920 [ 274.600233] 13*64kB [ 274.604462] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.606672] (UMH) [ 274.610557] ? process_timeout+0x40/0x40 [ 274.612862] 3*128kB (UH) [ 274.617100] ? find_held_lock+0x36/0x1c0 [ 274.619223] 3*256kB (H) [ 274.623303] ? __run_timers+0x7da/0xc70 [ 274.626050] 0*512kB [ 274.630109] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.632756] 0*1024kB [ 274.636722] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.639024] 0*2048kB [ 274.643530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.645913] 0*4096kB = 13800kB [ 274.650417] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 274.652824] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 274.657061] ? trace_hardirqs_on+0xbd/0x310 [ 274.660236] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 274.664803] ? kasan_check_read+0x11/0x20 [ 274.673615] 410 total pagecache pages [ 274.677933] ? __run_timers+0x7da/0xc70 [ 274.686492] 0 pages in swap cache [ 274.690661] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.694441] Swap cache stats: add 0, delete 0, find 0/0 [ 274.698409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.701837] Free swap = 0kB [ 274.707283] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.712621] Total swap = 0kB [ 274.716855] __run_timers+0x7e5/0xc70 [ 274.719854] 1965979 pages RAM [ 274.724093] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.727079] 0 pages HighMem/MovableOnly [ 274.727089] 343323 pages reserved [ 274.730885] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.733960] 0 pages cma reserved [ 274.734036] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.739339] ? graph_lock+0x170/0x170 [ 274.739357] ? enqueue_hrtimer+0x1a5/0x560 [ 274.739374] ? lock_release+0x970/0x970 [ 274.743389] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.746797] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 274.751785] kworker/0:1 cpuset= [ 274.755150] ? find_held_lock+0x36/0x1c0 [ 274.761620] / [ 274.765416] ? graph_lock+0x170/0x170 [ 274.769657] mems_allowed=0 [ 274.773652] ? pvclock_read_flags+0x160/0x160 [ 274.809336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.814873] ? check_preemption_disabled+0x48/0x200 [ 274.819904] ? __lock_is_held+0xb5/0x140 [ 274.823979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.829522] ? check_preemption_disabled+0x48/0x200 [ 274.834551] run_timer_softirq+0x52/0xb0 [ 274.838628] ? rcu_read_lock_sched_held+0x108/0x120 [ 274.843650] __do_softirq+0x30b/0xad8 [ 274.847466] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 274.852583] ? pvclock_read_flags+0x160/0x160 [ 274.857081] ? lapic_next_event+0x5a/0x90 [ 274.861236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.866779] ? check_preemption_disabled+0x48/0x200 [ 274.871793] ? check_preemption_disabled+0x48/0x200 [ 274.876829] ? kvm_clock_read+0x18/0x30 [ 274.880804] ? kvm_sched_clock_read+0x9/0x20 [ 274.885220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.890757] ? check_preemption_disabled+0x48/0x200 [ 274.895787] irq_exit+0x17f/0x1c0 [ 274.899253] smp_apic_timer_interrupt+0x1cb/0x760 [ 274.904102] ? smp_reschedule_interrupt+0x109/0x650 [ 274.909142] ? smp_call_function_single_interrupt+0x650/0x650 [ 274.915029] ? interrupt_entry+0xb5/0xf0 [ 274.919097] ? trace_hardirqs_off_caller+0xbb/0x300 [ 274.924123] ? trace_hardirqs_off_caller+0xbb/0x300 [ 274.929150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.933998] ? trace_hardirqs_off+0x300/0x300 [ 274.938497] ? trace_hardirqs_off+0x300/0x300 [ 274.943000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.948543] ? check_preemption_disabled+0x48/0x200 [ 274.953571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.958427] apic_timer_interrupt+0xf/0x20 [ 274.962691] [ 274.964937] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 274.969876] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 274.988778] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 274.996509] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 275.003780] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 275.011047] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 275.018318] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 275.025589] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 275.032903] skb_clone+0x1bb/0x500 [ 275.036448] ? skb_split+0x11e0/0x11e0 [ 275.040345] ? preempt_notifier_register+0x200/0x200 [ 275.045461] ? __switch_to_asm+0x34/0x70 [ 275.049531] ? __switch_to_asm+0x34/0x70 [ 275.053591] ? __switch_to_asm+0x40/0x70 [ 275.057667] ? __switch_to_asm+0x34/0x70 [ 275.061725] ? __switch_to_asm+0x40/0x70 [ 275.065792] ? __switch_to_asm+0x40/0x70 [ 275.069855] ? __switch_to_asm+0x34/0x70 [ 275.073919] ? __switch_to_asm+0x34/0x70 [ 275.077988] ? __switch_to_asm+0x40/0x70 [ 275.082053] ? __switch_to_asm+0x34/0x70 [ 275.086134] bpf_clone_redirect+0xb9/0x490 [ 275.090383] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 275.095420] ? __sched_text_start+0x8/0x8 [ 275.099575] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 275.104343] ? find_held_lock+0x36/0x1c0 [ 275.108412] ? lock_acquire+0x1ed/0x520 [ 275.112432] ? bpf_test_run+0x32e/0x5a0 [ 275.116410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.121962] ? check_preemption_disabled+0x48/0x200 [ 275.126999] ? kasan_check_read+0x11/0x20 [ 275.131152] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.136432] ? rcu_bh_qs+0xc0/0xc0 [ 275.139988] ? preempt_schedule+0x4d/0x60 [ 275.144141] ? ___preempt_schedule+0x16/0x18 [ 275.148557] ? bpf_test_run+0x1c0/0x5a0 [ 275.152542] ? netlink_diag_dump+0x2a0/0x2a0 [ 275.156956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.162504] ? bpf_test_init.isra.9+0x70/0x100 [ 275.167093] ? bpf_prog_test_run_skb+0x634/0xb40 [ 275.171861] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 275.176732] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 275.182272] ? fput+0x130/0x1a0 [ 275.185553] ? __bpf_prog_get+0x9b/0x290 [ 275.189621] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 275.194475] ? bpf_prog_test_run+0x130/0x1a0 [ 275.198893] ? __x64_sys_bpf+0x3d8/0x510 [ 275.202961] ? bpf_prog_get+0x20/0x20 [ 275.206790] ? ksys_ioctl+0x81/0xd0 [ 275.210430] ? do_syscall_64+0x1b9/0x820 [ 275.214513] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 275.219881] ? syscall_return_slowpath+0x5e0/0x5e0 [ 275.224828] ? trace_hardirqs_off+0x300/0x300 [ 275.229343] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 275.234360] ? recalc_sigpending_tsk+0x180/0x180 [ 275.239118] ? kasan_check_write+0x14/0x20 [ 275.243385] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.248260] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 275.253642] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 275.253711] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 275.260503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.260526] Workqueue: (null) (events) [ 275.260538] Call Trace: [ 275.260548] [ 275.267119] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 275.276383] dump_stack+0x1c4/0x2b4 [ 275.281206] syz-executor1 cpuset= [ 275.283785] ? dump_stack_print_info.cold.2+0x52/0x52 [ 275.285913] syz1 [ 275.296400] warn_alloc.cold.118+0xb7/0x1bd [ 275.300003] mems_allowed=0 [ 275.303447] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.322643] ? lock_downgrade+0x900/0x900 [ 275.326815] ? trace_hardirqs_off+0xb8/0x300 [ 275.331232] ? trace_hardirqs_off+0xb8/0x300 [ 275.335653] __alloc_pages_slowpath+0x2667/0x2d80 [ 275.340526] ? warn_alloc+0x120/0x120 [ 275.344334] ? warn_alloc+0x120/0x120 [ 275.348141] ? print_usage_bug+0xc0/0xc0 [ 275.352205] ? warn_alloc+0x120/0x120 [ 275.356010] ? print_usage_bug+0xc0/0xc0 [ 275.360073] ? __lock_acquire+0x7ec/0x4ec0 [ 275.364321] ? __lock_acquire+0x7ec/0x4ec0 [ 275.368558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.374120] ? should_fail+0x22d/0xd01 [ 275.378017] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.383121] ? __lock_acquire+0x7ec/0x4ec0 [ 275.387366] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.392467] ? __lock_acquire+0x7ec/0x4ec0 [ 275.396700] ? should_fail+0x22d/0xd01 [ 275.400618] ? mark_held_locks+0x130/0x130 [ 275.404889] ? mark_held_locks+0x130/0x130 [ 275.409128] ? graph_lock+0x170/0x170 [ 275.412947] ? graph_lock+0x170/0x170 [ 275.416755] ? graph_lock+0x170/0x170 [ 275.420571] ? print_usage_bug+0xc0/0xc0 [ 275.424680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.430218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.435759] ? check_preemption_disabled+0x48/0x200 [ 275.440772] ? check_preemption_disabled+0x48/0x200 [ 275.445800] ? __lock_is_held+0xb5/0x140 [ 275.449872] __alloc_pages_nodemask+0xa80/0xde0 [ 275.454552] ? graph_lock+0x170/0x170 [ 275.458363] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 275.463380] ? graph_lock+0x170/0x170 [ 275.467217] ? find_held_lock+0x36/0x1c0 [ 275.471291] ? ____cache_alloc_node+0x1c7/0x1e0 [ 275.475968] ? lock_downgrade+0x900/0x900 [ 275.480138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.485703] cache_grow_begin+0x91/0x8c0 [ 275.489778] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.494200] fallback_alloc+0x203/0x2e0 [ 275.498191] ____cache_alloc_node+0x1c7/0x1e0 [ 275.502697] kmem_cache_alloc_node+0xe3/0x730 [ 275.507211] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.511462] __alloc_skb+0x119/0x770 [ 275.515179] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.520465] ? skb_scrub_packet+0x490/0x490 [ 275.524788] ? lock_downgrade+0x900/0x900 [ 275.528951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.534497] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.539958] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.545416] ? addrconf_rs_timer+0x6f0/0x6f0 [ 275.549844] ndisc_alloc_skb+0x144/0x340 [ 275.553916] ndisc_send_rs+0x331/0x6e0 [ 275.557810] addrconf_rs_timer+0x3c0/0x6f0 [ 275.562058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.566311] call_timer_fn+0x272/0x920 [ 275.570217] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.574458] ? process_timeout+0x40/0x40 [ 275.578519] ? find_held_lock+0x36/0x1c0 [ 275.582587] ? __run_timers+0x7da/0xc70 [ 275.586566] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.591076] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.595572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.599825] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 275.604422] ? trace_hardirqs_on+0xbd/0x310 [ 275.608738] ? kasan_check_read+0x11/0x20 [ 275.612897] ? __run_timers+0x7da/0xc70 [ 275.616877] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.622349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.626588] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.630834] __run_timers+0x7e5/0xc70 [ 275.634651] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 275.640035] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 275.645059] ? graph_lock+0x170/0x170 [ 275.648865] ? enqueue_hrtimer+0x1a5/0x560 [ 275.653099] ? lock_release+0x970/0x970 [ 275.657079] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 275.662277] ? find_held_lock+0x36/0x1c0 [ 275.666350] ? pvclock_read_flags+0x160/0x160 [ 275.670850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.676388] ? check_preemption_disabled+0x48/0x200 [ 275.681414] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 275.686952] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.692241] ? rcu_pm_notify+0xc0/0xc0 [ 275.696137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.701693] ? check_preemption_disabled+0x48/0x200 [ 275.706733] run_timer_softirq+0x52/0xb0 [ 275.710794] ? rcu_read_lock_sched_held+0x108/0x120 [ 275.715818] __do_softirq+0x30b/0xad8 [ 275.719632] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 275.724745] ? pvclock_read_flags+0x160/0x160 [ 275.729255] ? lapic_next_event+0x5a/0x90 [ 275.733404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.738942] ? check_preemption_disabled+0x48/0x200 [ 275.743957] ? check_preemption_disabled+0x48/0x200 [ 275.749014] ? kvm_clock_read+0x18/0x30 [ 275.753009] ? kvm_sched_clock_read+0x9/0x20 [ 275.757422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.762961] ? check_preemption_disabled+0x48/0x200 [ 275.768006] irq_exit+0x17f/0x1c0 [ 275.771473] smp_apic_timer_interrupt+0x1cb/0x760 [ 275.776338] ? smp_call_function_single_interrupt+0x650/0x650 [ 275.782220] ? interrupt_entry+0xb5/0xf0 [ 275.786295] ? trace_hardirqs_off_caller+0xbb/0x300 [ 275.791314] ? trace_hardirqs_off_caller+0xbb/0x300 [ 275.796333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.801177] ? trace_hardirqs_off+0x300/0x300 [ 275.805673] ? trace_hardirqs_off+0x300/0x300 [ 275.810169] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.815708] ? check_preemption_disabled+0x48/0x200 [ 275.820729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.826274] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.831135] apic_timer_interrupt+0xf/0x20 [ 275.835367] [ 275.837605] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 275.842716] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 275.861615] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 275.869326] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 275.876595] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 275.883864] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 275.891153] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 275.898422] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 275.905722] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.910225] finish_task_switch+0x1f5/0x900 [ 275.914547] ? finish_task_switch+0x1b5/0x900 [ 275.919047] ? __switch_to_asm+0x34/0x70 [ 275.923112] ? preempt_notifier_register+0x200/0x200 [ 275.928218] ? __switch_to_asm+0x34/0x70 [ 275.932278] ? __switch_to_asm+0x34/0x70 [ 275.936337] ? __switch_to_asm+0x40/0x70 [ 275.940402] ? __switch_to_asm+0x34/0x70 [ 275.944460] ? __switch_to_asm+0x40/0x70 [ 275.948522] ? __switch_to_asm+0x34/0x70 [ 275.952586] ? __switch_to_asm+0x40/0x70 [ 275.956660] ? __switch_to_asm+0x34/0x70 [ 275.960719] ? __switch_to_asm+0x40/0x70 [ 275.964781] ? __switch_to_asm+0x34/0x70 [ 275.968845] ? __switch_to_asm+0x40/0x70 [ 275.972909] ? __switch_to_asm+0x34/0x70 [ 275.976968] ? __switch_to_asm+0x40/0x70 [ 275.982081] ? __switch_to_asm+0x34/0x70 [ 275.986144] ? __switch_to_asm+0x40/0x70 [ 275.990219] __schedule+0x874/0x1ed0 [ 275.993943] ? lockdep_hardirqs_on+0x421/0x5c0 [ 275.998542] ? __sched_text_start+0x8/0x8 [ 276.002701] ? graph_lock+0x170/0x170 [ 276.006506] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.011270] ? lockdep_hardirqs_on+0x421/0x5c0 [ 276.015855] ? retint_kernel+0x2d/0x2d [ 276.019751] ? find_held_lock+0x36/0x1c0 [ 276.023827] schedule+0xfe/0x460 [ 276.027718] ? __schedule+0x1ed0/0x1ed0 [ 276.031722] ? lockdep_hardirqs_on+0x421/0x5c0 [ 276.036313] ? trace_hardirqs_on+0xbd/0x310 [ 276.040633] ? kasan_check_read+0x11/0x20 [ 276.044780] ? worker_thread+0x3ca/0x1390 [ 276.048928] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.054386] ? kasan_check_write+0x14/0x20 [ 276.058624] ? do_raw_spin_lock+0xc1/0x200 [ 276.062870] worker_thread+0x3cf/0x1390 [ 276.066846] ? __switch_to_asm+0x34/0x70 [ 276.070926] ? process_one_work+0x1b90/0x1b90 [ 276.075429] ? graph_lock+0x170/0x170 [ 276.079243] ? __sched_text_start+0x8/0x8 [ 276.083404] ? find_held_lock+0x36/0x1c0 [ 276.087478] ? __kthread_parkme+0xce/0x1a0 [ 276.091722] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 276.096827] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 276.101937] ? lockdep_hardirqs_on+0x421/0x5c0 [ 276.106533] ? trace_hardirqs_on+0xbd/0x310 [ 276.110852] ? kasan_check_read+0x11/0x20 [ 276.115026] ? __kthread_parkme+0xce/0x1a0 [ 276.119264] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.124719] ? kasan_check_write+0x14/0x20 [ 276.128958] ? do_raw_spin_lock+0xc1/0x200 [ 276.133418] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 276.138519] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.144065] ? __kthread_parkme+0xfb/0x1a0 [ 276.148313] kthread+0x35a/0x420 [ 276.151683] ? process_one_work+0x1b90/0x1b90 [ 276.156177] ? kthread_bind+0x40/0x40 [ 276.159988] ret_from_fork+0x3a/0x50 [ 276.163723] warn_alloc_show_mem: 1 callbacks suppressed [ 276.163735] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 276.163737] Mem-Info: [ 276.163768] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 276.163768] active_file:13 inactive_file:18 isolated_file:0 [ 276.163768] unevictable:0 dirty:0 writeback:0 unstable:0 [ 276.163768] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 276.163768] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 276.163768] free:13747 free_pcp:307 free_cma:0 [ 276.169106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.169116] Call Trace: [ 276.176314] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 276.178713] [ 276.211585] Node 0 [ 276.220946] dump_stack+0x1c4/0x2b4 [ 276.223530] 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 [ 276.251180] ? dump_stack_print_info.cold.2+0x52/0x52 [ 276.253310] lowmem_reserve[]: [ 276.255555] warn_alloc.cold.118+0xb7/0x1bd [ 276.259145] 0 2815 [ 276.284658] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.289823] 6318 [ 276.292928] ? lock_downgrade+0x900/0x900 [ 276.297223] 6318 [ 276.299474] ? trace_hardirqs_off+0xb8/0x300 [ 276.304289] Node 0 [ 276.306353] ? trace_hardirqs_off+0xb8/0x300 [ 276.310502] DMA32 free:25280kB 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 [ 276.312557] __alloc_pages_slowpath+0x2667/0x2d80 [ 276.316930] lowmem_reserve[]: 0 [ 276.319208] ? warn_alloc+0x120/0x120 [ 276.323569] 0 [ 276.350547] ? trace_hardirqs_on+0x310/0x310 [ 276.355377] 3503 [ 276.358653] ? warn_alloc+0x120/0x120 [ 276.362421] 3503 [ 276.364255] ? print_usage_bug+0xc0/0xc0 [ 276.368642] Node 0 [ 276.370700] ? warn_alloc+0x120/0x120 [ 276.374502] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 276.376547] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 276.380581] lowmem_reserve[]: [ 276.382817] ? print_usage_bug+0xc0/0xc0 [ 276.386586] 0 0 [ 276.414980] ? __lock_acquire+0x7ec/0x4ec0 [ 276.419967] 0 0 [ 276.423087] ? __lock_acquire+0x7ec/0x4ec0 [ 276.427123] Node 0 [ 276.429100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.433308] DMA: [ 276.435284] ? should_fail+0x22d/0xd01 [ 276.439495] 1*4kB [ 276.441730] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.447245] (U) [ 276.449305] ? __lock_acquire+0x7ec/0x4ec0 [ 276.453172] 0*8kB [ 276.455319] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.460390] 0*16kB 1*32kB [ 276.462371] ? __lock_acquire+0x7ec/0x4ec0 [ 276.466584] (U) [ 276.468735] ? should_fail+0x22d/0xd01 [ 276.473807] 2*64kB (U) [ 276.476659] ? print_usage_bug+0xc0/0xc0 [ 276.480864] 1*128kB (U) [ 276.482857] ? mark_held_locks+0x130/0x130 [ 276.486711] 1*256kB (U) [ 276.489301] ? mark_held_locks+0x130/0x130 [ 276.493334] 0*512kB 1*1024kB [ 276.496014] ? graph_lock+0x170/0x170 [ 276.500221] (U) [ 276.502889] ? print_usage_bug+0xc0/0xc0 [ 276.507106] 1*2048kB [ 276.510212] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.513993] (M) [ 276.515978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.520011] 3*4096kB [ 276.522420] ? check_preemption_disabled+0x48/0x200 [ 276.527150] (M) [ 276.529125] ? check_preemption_disabled+0x48/0x200 [ 276.534633] = 15908kB [ 276.534642] Node 0 [ 276.537056] ? __lock_is_held+0xb5/0x140 [ 276.542045] DMA32: 4*4kB [ 276.544036] __alloc_pages_nodemask+0xa80/0xde0 [ 276.549025] (UM) [ 276.551437] ? graph_lock+0x170/0x170 [ 276.553651] 2*8kB (M) [ 276.557718] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 276.560451] 2*16kB (UM) [ 276.565136] ? graph_lock+0x170/0x170 [ 276.567173] 2*32kB (UM) [ 276.570999] ? find_held_lock+0x36/0x1c0 [ 276.573476] 3*64kB [ 276.578504] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.581135] (UM) 3*128kB [ 276.584942] ? lock_downgrade+0x900/0x900 [ 276.587593] (M) [ 276.591657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.593862] 2*256kB (M) [ 276.598540] cache_grow_begin+0x91/0x8c0 [ 276.601270] 3*512kB (M) [ 276.605424] ? do_raw_spin_unlock+0xa7/0x2f0 [ 276.607373] 4*1024kB (UM) [ 276.612920] fallback_alloc+0x203/0x2e0 [ 276.615563] 3*2048kB (UM) [ 276.619632] ____cache_alloc_node+0x1c7/0x1e0 [ 276.622275] 3*4096kB (M) [ 276.626691] kmem_cache_alloc_node+0xe3/0x730 [ 276.629515] = 25280kB [ 276.633491] ? ipv6_get_ifaddr+0x42e/0x620 [ 276.636306] Node 0 [ 276.640806] __alloc_skb+0x119/0x770 [ 276.643528] Normal: 876*4kB [ 276.648045] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.650426] (UME) 393*8kB [ 276.654667] ? skb_scrub_packet+0x490/0x490 [ 276.656874] (UMEH) 183*16kB [ 276.660591] ? lock_downgrade+0x900/0x900 [ 276.663585] (UMEH) [ 276.668865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.671706] 70*32kB (UMEH) [ 276.676036] ? refcount_sub_and_test_checked+0x203/0x310 [ 276.679035] 13*64kB [ 276.683178] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 276.685384] (UMH) 3*128kB [ 276.690928] ? addrconf_rs_timer+0x6f0/0x6f0 [ 276.693835] (UH) [ 276.699294] ndisc_alloc_skb+0x144/0x340 [ 276.701590] 3*256kB [ 276.707039] ndisc_send_rs+0x331/0x6e0 [ 276.709851] (H) 0*512kB [ 276.714272] addrconf_rs_timer+0x3c0/0x6f0 [ 276.716309] 0*1024kB [ 276.720368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.722666] 0*2048kB [ 276.726583] call_timer_fn+0x272/0x920 [ 276.729229] 0*4096kB [ 276.733463] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.735849] = 13800kB [ 276.740080] ? process_timeout+0x40/0x40 [ 276.742479] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 276.746358] ? find_held_lock+0x36/0x1c0 [ 276.748750] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 276.752989] ? __run_timers+0x7da/0xc70 [ 276.755371] 410 total pagecache pages [ 276.759428] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.768253] 0 pages in swap cache [ 276.772313] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.780868] Swap cache stats: add 0, delete 0, find 0/0 [ 276.784841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.788610] Free swap = 0kB [ 276.788620] Total swap = 0kB [ 276.793124] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 276.796550] 1965979 pages RAM [ 276.801041] ? trace_hardirqs_on+0xbd/0x310 [ 276.806383] 0 pages HighMem/MovableOnly [ 276.810618] ? kasan_check_read+0x11/0x20 [ 276.813615] 343323 pages reserved [ 276.813624] 0 pages cma reserved [ 276.816643] ? __run_timers+0x7da/0xc70 [ 276.821259] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.824305] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.828686] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.832586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.836709] kworker/0:1 cpuset= [ 276.840158] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.843499] / [ 276.847476] __run_timers+0x7e5/0xc70 [ 276.853945] mems_allowed=0 [ 276.859405] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 276.895150] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.900172] ? graph_lock+0x170/0x170 [ 276.903991] ? enqueue_hrtimer+0x1a5/0x560 [ 276.908233] ? lock_release+0x970/0x970 [ 276.912210] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.917412] ? find_held_lock+0x36/0x1c0 [ 276.921487] ? graph_lock+0x170/0x170 [ 276.925292] ? pvclock_read_flags+0x160/0x160 [ 276.929794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.935332] ? check_preemption_disabled+0x48/0x200 [ 276.940368] ? __lock_is_held+0xb5/0x140 [ 276.944434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.949980] ? check_preemption_disabled+0x48/0x200 [ 276.955015] run_timer_softirq+0x52/0xb0 [ 276.959086] ? rcu_read_lock_sched_held+0x108/0x120 [ 276.964106] __do_softirq+0x30b/0xad8 [ 276.967921] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.973035] ? pvclock_read_flags+0x160/0x160 [ 276.977533] ? lapic_next_event+0x5a/0x90 [ 276.981692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.987234] ? check_preemption_disabled+0x48/0x200 [ 276.992250] ? check_preemption_disabled+0x48/0x200 [ 276.997277] ? kvm_clock_read+0x18/0x30 [ 277.001257] ? kvm_sched_clock_read+0x9/0x20 [ 277.005673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.011220] ? check_preemption_disabled+0x48/0x200 [ 277.016252] irq_exit+0x17f/0x1c0 [ 277.019717] smp_apic_timer_interrupt+0x1cb/0x760 [ 277.024564] ? smp_reschedule_interrupt+0x109/0x650 [ 277.029586] ? smp_call_function_single_interrupt+0x650/0x650 [ 277.035475] ? interrupt_entry+0xb5/0xf0 [ 277.039551] ? trace_hardirqs_off_caller+0xbb/0x300 [ 277.044569] ? trace_hardirqs_off_caller+0xbb/0x300 [ 277.049595] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.054445] ? trace_hardirqs_off+0x300/0x300 [ 277.058960] ? trace_hardirqs_off+0x300/0x300 [ 277.063497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.069047] ? check_preemption_disabled+0x48/0x200 [ 277.074085] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.078953] apic_timer_interrupt+0xf/0x20 [ 277.083198] [ 277.085445] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 277.090389] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 277.109395] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 277.117138] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 277.124415] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 277.131691] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 277.138963] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 277.146251] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 277.153572] skb_clone+0x1bb/0x500 [ 277.157121] ? skb_split+0x11e0/0x11e0 [ 277.161020] ? preempt_notifier_register+0x200/0x200 [ 277.166131] ? __switch_to_asm+0x34/0x70 [ 277.170196] ? __switch_to_asm+0x34/0x70 [ 277.174258] ? __switch_to_asm+0x40/0x70 [ 277.178317] ? __switch_to_asm+0x34/0x70 [ 277.182377] ? __switch_to_asm+0x40/0x70 [ 277.186440] ? __switch_to_asm+0x40/0x70 [ 277.190508] ? __switch_to_asm+0x34/0x70 [ 277.194570] ? __switch_to_asm+0x34/0x70 [ 277.198632] ? __switch_to_asm+0x40/0x70 [ 277.202693] ? __switch_to_asm+0x34/0x70 [ 277.206773] bpf_clone_redirect+0xb9/0x490 [ 277.211022] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 277.216048] ? __sched_text_start+0x8/0x8 [ 277.220227] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 277.225004] ? find_held_lock+0x36/0x1c0 [ 277.229077] ? lock_acquire+0x1ed/0x520 [ 277.233056] ? bpf_test_run+0x32e/0x5a0 [ 277.237078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.242623] ? check_preemption_disabled+0x48/0x200 [ 277.247651] ? kasan_check_read+0x11/0x20 [ 277.251809] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.257091] ? rcu_bh_qs+0xc0/0xc0 [ 277.260636] ? preempt_schedule+0x4d/0x60 [ 277.264791] ? ___preempt_schedule+0x16/0x18 [ 277.269211] ? bpf_test_run+0x1c0/0x5a0 [ 277.273200] ? netlink_diag_dump+0x2a0/0x2a0 [ 277.277616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.283157] ? bpf_test_init.isra.9+0x70/0x100 [ 277.287750] ? bpf_prog_test_run_skb+0x634/0xb40 [ 277.292525] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 277.297375] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 277.302917] ? fput+0x130/0x1a0 [ 277.306206] ? __bpf_prog_get+0x9b/0x290 [ 277.310274] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 277.315117] ? bpf_prog_test_run+0x130/0x1a0 [ 277.319536] ? __x64_sys_bpf+0x3d8/0x510 [ 277.323599] ? bpf_prog_get+0x20/0x20 [ 277.327438] ? ksys_ioctl+0x81/0xd0 [ 277.331083] ? do_syscall_64+0x1b9/0x820 [ 277.335150] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 277.340524] ? syscall_return_slowpath+0x5e0/0x5e0 [ 277.345468] ? trace_hardirqs_off+0x300/0x300 [ 277.349986] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 277.355013] ? recalc_sigpending_tsk+0x180/0x180 [ 277.359772] ? kasan_check_write+0x14/0x20 [ 277.364021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.368881] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 277.374278] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 277.374349] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 277.381123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.381147] Workqueue: (null) (events) [ 277.381159] Call Trace: [ 277.381166] [ 277.381185] dump_stack+0x1c4/0x2b4 [ 277.387760] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 277.397035] ? dump_stack_print_info.cold.2+0x52/0x52 [ 277.401861] syz-executor1 cpuset= [ 277.404449] warn_alloc.cold.118+0xb7/0x1bd [ 277.406569] syz1 [ 277.410196] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 277.420668] mems_allowed=0 [ 277.425856] ? lock_downgrade+0x900/0x900 [ 277.447450] ? trace_hardirqs_off+0xb8/0x300 [ 277.451873] ? trace_hardirqs_off+0xb8/0x300 [ 277.456297] __alloc_pages_slowpath+0x2667/0x2d80 [ 277.461176] ? warn_alloc+0x120/0x120 [ 277.464988] ? trace_hardirqs_on+0x310/0x310 [ 277.469401] ? warn_alloc+0x120/0x120 [ 277.473206] ? print_usage_bug+0xc0/0xc0 [ 277.477274] ? warn_alloc+0x120/0x120 [ 277.481075] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 277.486097] ? print_usage_bug+0xc0/0xc0 [ 277.490168] ? __lock_acquire+0x7ec/0x4ec0 [ 277.494410] ? __lock_acquire+0x7ec/0x4ec0 [ 277.498670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.504210] ? should_fail+0x22d/0xd01 [ 277.508108] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.513217] ? __lock_acquire+0x7ec/0x4ec0 [ 277.517468] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.522572] ? __lock_acquire+0x7ec/0x4ec0 [ 277.526812] ? should_fail+0x22d/0xd01 [ 277.530711] ? print_usage_bug+0xc0/0xc0 [ 277.534788] ? mark_held_locks+0x130/0x130 [ 277.539028] ? mark_held_locks+0x130/0x130 [ 277.543278] ? graph_lock+0x170/0x170 [ 277.547082] ? print_usage_bug+0xc0/0xc0 [ 277.551149] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 277.555914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.561451] ? check_preemption_disabled+0x48/0x200 [ 277.566470] ? check_preemption_disabled+0x48/0x200 [ 277.571506] ? __lock_is_held+0xb5/0x140 [ 277.575581] __alloc_pages_nodemask+0xa80/0xde0 [ 277.580253] ? graph_lock+0x170/0x170 [ 277.584063] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 277.589079] ? graph_lock+0x170/0x170 [ 277.592896] ? find_held_lock+0x36/0x1c0 [ 277.596974] ? ____cache_alloc_node+0x1c7/0x1e0 [ 277.601656] ? lock_downgrade+0x900/0x900 [ 277.605812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.611359] cache_grow_begin+0x91/0x8c0 [ 277.615425] ? do_raw_spin_unlock+0xa7/0x2f0 [ 277.619848] fallback_alloc+0x203/0x2e0 [ 277.623834] ____cache_alloc_node+0x1c7/0x1e0 [ 277.628344] kmem_cache_alloc_node+0xe3/0x730 [ 277.632842] ? ipv6_get_ifaddr+0x42e/0x620 [ 277.637095] __alloc_skb+0x119/0x770 [ 277.640816] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.646100] ? skb_scrub_packet+0x490/0x490 [ 277.650426] ? lock_downgrade+0x900/0x900 [ 277.654589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.660130] ? refcount_sub_and_test_checked+0x203/0x310 [ 277.665600] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 277.671056] ? addrconf_rs_timer+0x6f0/0x6f0 [ 277.675484] ndisc_alloc_skb+0x144/0x340 [ 277.679554] ndisc_send_rs+0x331/0x6e0 [ 277.683451] addrconf_rs_timer+0x3c0/0x6f0 [ 277.687697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.691951] call_timer_fn+0x272/0x920 [ 277.695852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.700094] ? process_timeout+0x40/0x40 [ 277.704155] ? find_held_lock+0x36/0x1c0 [ 277.708233] ? __run_timers+0x7da/0xc70 [ 277.712217] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.716713] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.721211] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.725450] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 277.730042] ? trace_hardirqs_on+0xbd/0x310 [ 277.734364] ? kasan_check_read+0x11/0x20 [ 277.738518] ? __run_timers+0x7da/0xc70 [ 277.742502] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.747961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.752209] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.756447] __run_timers+0x7e5/0xc70 [ 277.760269] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 277.765640] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 277.770664] ? graph_lock+0x170/0x170 [ 277.774470] ? enqueue_hrtimer+0x1a5/0x560 [ 277.778706] ? lock_release+0x970/0x970 [ 277.782684] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 277.787885] ? find_held_lock+0x36/0x1c0 [ 277.791961] ? pvclock_read_flags+0x160/0x160 [ 277.796464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.802040] ? check_preemption_disabled+0x48/0x200 [ 277.807097] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 277.812641] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.817923] ? rcu_pm_notify+0xc0/0xc0 [ 277.821819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.827360] ? check_preemption_disabled+0x48/0x200 [ 277.832391] run_timer_softirq+0x52/0xb0 [ 277.836453] ? rcu_read_lock_sched_held+0x108/0x120 [ 277.841496] __do_softirq+0x30b/0xad8 [ 277.845329] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 277.850439] ? pvclock_read_flags+0x160/0x160 [ 277.854936] ? lapic_next_event+0x5a/0x90 [ 277.859089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.864630] ? check_preemption_disabled+0x48/0x200 [ 277.869643] ? check_preemption_disabled+0x48/0x200 [ 277.874672] ? kvm_clock_read+0x18/0x30 [ 277.878651] ? kvm_sched_clock_read+0x9/0x20 [ 277.883068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.888632] ? check_preemption_disabled+0x48/0x200 [ 277.893678] irq_exit+0x17f/0x1c0 [ 277.897167] smp_apic_timer_interrupt+0x1cb/0x760 [ 277.902020] ? smp_call_function_single_interrupt+0x650/0x650 [ 277.907910] ? interrupt_entry+0xb5/0xf0 [ 277.911987] ? trace_hardirqs_off_caller+0xbb/0x300 [ 277.917011] ? trace_hardirqs_off_caller+0xbb/0x300 [ 277.922034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.926880] ? trace_hardirqs_off+0x300/0x300 [ 277.931375] ? trace_hardirqs_off+0x300/0x300 [ 277.935875] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.941413] ? check_preemption_disabled+0x48/0x200 [ 277.946434] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.951989] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.956851] apic_timer_interrupt+0xf/0x20 [ 277.961081] [ 277.963324] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 277.968432] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 277.987341] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 277.995055] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 278.002327] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 278.009595] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 278.016879] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 278.024156] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 278.031962] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.036504] finish_task_switch+0x1f5/0x900 [ 278.040830] ? finish_task_switch+0x1b5/0x900 [ 278.045327] ? __switch_to_asm+0x34/0x70 [ 278.049395] ? preempt_notifier_register+0x200/0x200 [ 278.054497] ? __switch_to_asm+0x34/0x70 [ 278.058560] ? __switch_to_asm+0x34/0x70 [ 278.062622] ? __switch_to_asm+0x40/0x70 [ 278.066684] ? __switch_to_asm+0x34/0x70 [ 278.070745] ? __switch_to_asm+0x40/0x70 [ 278.074805] ? __switch_to_asm+0x34/0x70 [ 278.078868] ? __switch_to_asm+0x40/0x70 [ 278.082932] ? __switch_to_asm+0x34/0x70 [ 278.087018] ? __switch_to_asm+0x40/0x70 [ 278.091082] ? __switch_to_asm+0x34/0x70 [ 278.095147] ? __switch_to_asm+0x40/0x70 [ 278.099212] ? __switch_to_asm+0x34/0x70 [ 278.103275] ? __switch_to_asm+0x40/0x70 [ 278.107335] ? __switch_to_asm+0x34/0x70 [ 278.111396] ? __switch_to_asm+0x40/0x70 [ 278.115467] __schedule+0x874/0x1ed0 [ 278.119192] ? lockdep_hardirqs_on+0x421/0x5c0 [ 278.123796] ? __sched_text_start+0x8/0x8 [ 278.127975] ? graph_lock+0x170/0x170 [ 278.131791] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 278.136761] ? lockdep_hardirqs_on+0x421/0x5c0 [ 278.141344] ? retint_kernel+0x2d/0x2d [ 278.145241] ? find_held_lock+0x36/0x1c0 [ 278.149315] schedule+0xfe/0x460 [ 278.152683] ? __schedule+0x1ed0/0x1ed0 [ 278.156670] ? lockdep_hardirqs_on+0x421/0x5c0 [ 278.161255] ? trace_hardirqs_on+0xbd/0x310 [ 278.165576] ? kasan_check_read+0x11/0x20 [ 278.169725] ? worker_thread+0x3ca/0x1390 [ 278.173878] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.179337] ? kasan_check_write+0x14/0x20 [ 278.183576] ? do_raw_spin_lock+0xc1/0x200 [ 278.187824] worker_thread+0x3cf/0x1390 [ 278.191800] ? __switch_to_asm+0x34/0x70 [ 278.195875] ? process_one_work+0x1b90/0x1b90 [ 278.200382] ? graph_lock+0x170/0x170 [ 278.204222] ? __sched_text_start+0x8/0x8 [ 278.208416] ? find_held_lock+0x36/0x1c0 [ 278.212491] ? __kthread_parkme+0xce/0x1a0 [ 278.216735] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 278.221841] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 278.226984] ? lockdep_hardirqs_on+0x421/0x5c0 [ 278.231572] ? trace_hardirqs_on+0xbd/0x310 [ 278.235896] ? kasan_check_read+0x11/0x20 [ 278.240052] ? __kthread_parkme+0xce/0x1a0 [ 278.244289] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.249768] ? kasan_check_write+0x14/0x20 [ 278.254012] ? do_raw_spin_lock+0xc1/0x200 [ 278.258255] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 278.263361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.268903] ? __kthread_parkme+0xfb/0x1a0 [ 278.273145] kthread+0x35a/0x420 [ 278.276516] ? process_one_work+0x1b90/0x1b90 [ 278.281011] ? kthread_bind+0x40/0x40 [ 278.284820] ret_from_fork+0x3a/0x50 [ 278.288553] warn_alloc_show_mem: 1 callbacks suppressed [ 278.288566] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 278.288568] Mem-Info: [ 278.288599] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 278.288599] active_file:13 inactive_file:18 isolated_file:0 [ 278.288599] unevictable:0 dirty:0 writeback:0 unstable:0 [ 278.288599] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 278.288599] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 278.288599] free:13747 free_pcp:307 free_cma:0 [ 278.293944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.301139] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 278.303542] Call Trace: [ 278.336452] Node 0 [ 278.345813] [ 278.373514] 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 [ 278.376085] dump_stack+0x1c4/0x2b4 [ 278.378296] lowmem_reserve[]: [ 278.380465] ? dump_stack_print_info.cold.2+0x52/0x52 [ 278.405956] 0 [ 278.409608] warn_alloc.cold.118+0xb7/0x1bd [ 278.412672] 2815 [ 278.417860] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.419639] 6318 [ 278.423954] ? lock_downgrade+0x900/0x900 [ 278.425996] 6318 [ 278.430847] ? trace_hardirqs_off+0xb8/0x300 [ 278.432887] Node 0 [ 278.437033] ? trace_hardirqs_off+0xb8/0x300 [ 278.439101] DMA32 free:25280kB 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 [ 278.443494] __alloc_pages_slowpath+0x2667/0x2d80 [ 278.445694] lowmem_reserve[]: 0 [ 278.450135] ? warn_alloc+0x120/0x120 [ 278.477060] 0 3503 [ 278.481917] ? trace_hardirqs_on+0x310/0x310 [ 278.485170] 3503 [ 278.488984] ? warn_alloc+0x120/0x120 [ 278.491199] Node 0 [ 278.495605] ? print_usage_bug+0xc0/0xc0 [ 278.497669] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 278.501437] ? warn_alloc+0x120/0x120 [ 278.503644] lowmem_reserve[]: 0 [ 278.507715] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 278.536058] 0 0 [ 278.539873] ? print_usage_bug+0xc0/0xc0 [ 278.543128] 0 [ 278.548144] ? __lock_acquire+0x7ec/0x4ec0 [ 278.554153] ? __lock_acquire+0x7ec/0x4ec0 [ 278.555935] Node 0 [ 278.560168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.564370] DMA: 1*4kB [ 278.566617] ? should_fail+0x22d/0xd01 [ 278.572131] (U) [ 278.574714] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.578589] 0*8kB [ 278.580577] ? __lock_acquire+0x7ec/0x4ec0 [ 278.585650] 0*16kB 1*32kB [ 278.587811] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.592020] (U) [ 278.594863] ? __lock_acquire+0x7ec/0x4ec0 [ 278.599940] 2*64kB (U) [ 278.601934] ? should_fail+0x22d/0xd01 [ 278.606145] 1*128kB [ 278.608727] ? print_usage_bug+0xc0/0xc0 [ 278.612592] (U) [ 278.614931] ? mark_held_locks+0x130/0x130 [ 278.618968] 1*256kB (U) [ 278.620961] ? mark_held_locks+0x130/0x130 [ 278.625169] 0*512kB 1*1024kB [ 278.627854] ? graph_lock+0x170/0x170 [ 278.632054] (U) 1*2048kB [ 278.635170] ? print_usage_bug+0xc0/0xc0 [ 278.638944] (M) [ 278.641708] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 278.645739] 3*4096kB (M) [ 278.647750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.652489] = 15908kB [ 278.652498] Node 0 [ 278.655254] ? check_preemption_disabled+0x48/0x200 [ 278.660768] DMA32: [ 278.663181] ? check_preemption_disabled+0x48/0x200 [ 278.665398] 4*4kB [ 278.670423] ? __lock_is_held+0xb5/0x140 [ 278.672628] (UM) [ 278.677648] __alloc_pages_nodemask+0xa80/0xde0 [ 278.679765] 2*8kB (M) [ 278.683833] ? graph_lock+0x170/0x170 [ 278.685873] 2*16kB [ 278.690543] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 278.693014] (UM) [ 278.696817] ? graph_lock+0x170/0x170 [ 278.699035] 2*32kB [ 278.704062] ? find_held_lock+0x36/0x1c0 [ 278.706096] (UM) [ 278.709903] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.712110] 3*64kB [ 278.716174] ? lock_downgrade+0x900/0x900 [ 278.718213] (UM) [ 278.722891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.725101] 3*128kB [ 278.729248] cache_grow_begin+0x91/0x8c0 [ 278.731285] (M) [ 278.736823] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.739127] 2*256kB [ 278.743190] fallback_alloc+0x203/0x2e0 [ 278.745136] (M) [ 278.749547] ____cache_alloc_node+0x1c7/0x1e0 [ 278.751842] 3*512kB [ 278.755815] kmem_cache_alloc_node+0xe3/0x730 [ 278.757762] (M) [ 278.762260] ? ipv6_get_ifaddr+0x42e/0x620 [ 278.764562] 4*1024kB [ 278.769063] __alloc_skb+0x119/0x770 [ 278.771009] (UM) [ 278.775246] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.777633] 3*2048kB [ 278.781347] ? skb_scrub_packet+0x490/0x490 [ 278.783385] (UM) [ 278.788659] ? lock_downgrade+0x900/0x900 [ 278.791050] 3*4096kB [ 278.795372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.797400] (M) = 25280kB [ 278.801560] ? refcount_sub_and_test_checked+0x203/0x310 [ 278.803948] Node 0 [ 278.809498] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 278.812217] Normal: 876*4kB [ 278.817677] ? addrconf_rs_timer+0x6f0/0x6f0 [ 278.819889] (UME) [ 278.825350] ndisc_alloc_skb+0x144/0x340 [ 278.828327] 393*8kB (UMEH) [ 278.832755] ndisc_send_rs+0x331/0x6e0 [ 278.834874] 183*16kB [ 278.838940] addrconf_rs_timer+0x3c0/0x6f0 [ 278.841843] (UMEH) [ 278.845744] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.848129] 70*32kB [ 278.852370] call_timer_fn+0x272/0x920 [ 278.854572] (UMEH) [ 278.858807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.861106] 13*64kB (UMH) [ 278.865011] ? process_timeout+0x40/0x40 [ 278.867223] 3*128kB [ 278.871453] ? find_held_lock+0x36/0x1c0 [ 278.874273] (UH) [ 278.878343] ? __run_timers+0x7da/0xc70 [ 278.880629] 3*256kB (H) [ 278.884701] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.886744] 0*512kB [ 278.890720] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.893362] 0*1024kB 0*2048kB [ 278.897883] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.900174] 0*4096kB = 13800kB [ 278.904678] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 278.907852] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 278.912083] ? trace_hardirqs_on+0xbd/0x310 [ 278.915259] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 278.919831] ? kasan_check_read+0x11/0x20 [ 278.928646] 410 total pagecache pages [ 278.932972] ? __run_timers+0x7da/0xc70 [ 278.941524] 0 pages in swap cache [ 278.945673] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.949448] Swap cache stats: add 0, delete 0, find 0/0 [ 278.949458] Free swap = 0kB [ 278.953438] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.956869] Total swap = 0kB [ 278.962321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.967662] 1965979 pages RAM [ 278.970680] __run_timers+0x7e5/0xc70 [ 278.974892] 0 pages HighMem/MovableOnly [ 278.974902] 343323 pages reserved [ 278.977924] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 278.982130] 0 pages cma reserved [ 278.985236] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.989072] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.993004] ? graph_lock+0x170/0x170 [ 278.996491] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.001795] ? enqueue_hrtimer+0x1a5/0x560 [ 279.005141] kworker/0:1 cpuset= [ 279.010153] ? lock_release+0x970/0x970 [ 279.016619] / [ 279.020433] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 279.030724] mems_allowed=0 [ 279.034960] ? find_held_lock+0x36/0x1c0 [ 279.056086] ? graph_lock+0x170/0x170 [ 279.059899] ? pvclock_read_flags+0x160/0x160 [ 279.064400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.069941] ? check_preemption_disabled+0x48/0x200 [ 279.074993] ? __lock_is_held+0xb5/0x140 [ 279.079070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.084620] ? check_preemption_disabled+0x48/0x200 [ 279.089673] run_timer_softirq+0x52/0xb0 [ 279.093770] ? rcu_read_lock_sched_held+0x108/0x120 [ 279.098827] __do_softirq+0x30b/0xad8 [ 279.102677] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 279.107812] ? pvclock_read_flags+0x160/0x160 [ 279.112335] ? lapic_next_event+0x5a/0x90 [ 279.116516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.122080] ? check_preemption_disabled+0x48/0x200 [ 279.127117] ? check_preemption_disabled+0x48/0x200 [ 279.132177] ? kvm_clock_read+0x18/0x30 [ 279.136183] ? kvm_sched_clock_read+0x9/0x20 [ 279.140617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.146203] ? check_preemption_disabled+0x48/0x200 [ 279.151273] irq_exit+0x17f/0x1c0 [ 279.154745] smp_apic_timer_interrupt+0x1cb/0x760 [ 279.159612] ? smp_reschedule_interrupt+0x109/0x650 [ 279.164664] ? smp_call_function_single_interrupt+0x650/0x650 [ 279.170582] ? interrupt_entry+0xb5/0xf0 [ 279.174667] ? trace_hardirqs_off_caller+0xbb/0x300 [ 279.179706] ? trace_hardirqs_off_caller+0xbb/0x300 [ 279.184746] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.189610] ? trace_hardirqs_off+0x300/0x300 [ 279.194152] ? trace_hardirqs_off+0x300/0x300 [ 279.198667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.204224] ? check_preemption_disabled+0x48/0x200 [ 279.209271] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.214154] apic_timer_interrupt+0xf/0x20 [ 279.218397] [ 279.220651] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 279.225619] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 279.244538] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 279.252270] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 279.259558] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 279.266846] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 279.274135] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 279.281428] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 279.288762] skb_clone+0x1bb/0x500 [ 279.292330] ? skb_split+0x11e0/0x11e0 [ 279.296243] ? preempt_notifier_register+0x200/0x200 [ 279.301355] ? __switch_to_asm+0x34/0x70 [ 279.305421] ? __switch_to_asm+0x34/0x70 [ 279.309499] ? __switch_to_asm+0x40/0x70 [ 279.313564] ? __switch_to_asm+0x34/0x70 [ 279.317626] ? __switch_to_asm+0x40/0x70 [ 279.321696] ? __switch_to_asm+0x40/0x70 [ 279.325758] ? __switch_to_asm+0x34/0x70 [ 279.329821] ? __switch_to_asm+0x34/0x70 [ 279.333889] ? __switch_to_asm+0x40/0x70 [ 279.337956] ? __switch_to_asm+0x34/0x70 [ 279.342048] bpf_clone_redirect+0xb9/0x490 [ 279.346297] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 279.351328] ? __sched_text_start+0x8/0x8 [ 279.355493] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 279.360264] ? find_held_lock+0x36/0x1c0 [ 279.364339] ? lock_acquire+0x1ed/0x520 [ 279.368319] ? bpf_test_run+0x32e/0x5a0 [ 279.372302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.377852] ? check_preemption_disabled+0x48/0x200 [ 279.382879] ? kasan_check_read+0x11/0x20 [ 279.387041] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.392328] ? rcu_bh_qs+0xc0/0xc0 [ 279.395881] ? preempt_schedule+0x4d/0x60 [ 279.400039] ? ___preempt_schedule+0x16/0x18 [ 279.404461] ? bpf_test_run+0x1c0/0x5a0 [ 279.408460] ? netlink_diag_dump+0x2a0/0x2a0 [ 279.412888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.418442] ? bpf_test_init.isra.9+0x70/0x100 [ 279.423045] ? bpf_prog_test_run_skb+0x634/0xb40 [ 279.427818] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 279.432666] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 279.438211] ? fput+0x130/0x1a0 [ 279.441507] ? __bpf_prog_get+0x9b/0x290 [ 279.445580] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 279.450429] ? bpf_prog_test_run+0x130/0x1a0 [ 279.454859] ? __x64_sys_bpf+0x3d8/0x510 [ 279.458921] ? bpf_prog_get+0x20/0x20 [ 279.462738] ? ksys_ioctl+0x81/0xd0 [ 279.466383] ? do_syscall_64+0x1b9/0x820 [ 279.470448] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 279.475823] ? syscall_return_slowpath+0x5e0/0x5e0 [ 279.480758] ? trace_hardirqs_off+0x300/0x300 [ 279.485264] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 279.490289] ? recalc_sigpending_tsk+0x180/0x180 [ 279.495050] ? kasan_check_write+0x14/0x20 [ 279.499300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.504157] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 279.509545] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 279.509615] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.516388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.516413] Workqueue: (null) [ 279.523005] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.532223] (events) [ 279.536272] syz-executor1 cpuset= [ 279.546755] Call Trace: [ 279.549159] syz1 [ 279.552620] [ 279.555196] mems_allowed=0 [ 279.557174] dump_stack+0x1c4/0x2b4 [ 279.565844] ? dump_stack_print_info.cold.2+0x52/0x52 [ 279.571059] warn_alloc.cold.118+0xb7/0x1bd [ 279.575391] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.580241] ? lock_downgrade+0x900/0x900 [ 279.584405] ? trace_hardirqs_off+0xb8/0x300 [ 279.588837] ? trace_hardirqs_off+0xb8/0x300 [ 279.593258] __alloc_pages_slowpath+0x2667/0x2d80 [ 279.598138] ? warn_alloc+0x120/0x120 [ 279.601949] ? warn_alloc+0x120/0x120 [ 279.605760] ? print_usage_bug+0xc0/0xc0 [ 279.609850] ? warn_alloc+0x120/0x120 [ 279.613655] ? print_usage_bug+0xc0/0xc0 [ 279.617722] ? __lock_acquire+0x7ec/0x4ec0 [ 279.621960] ? __lock_acquire+0x7ec/0x4ec0 [ 279.626212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.631758] ? should_fail+0x22d/0xd01 [ 279.635656] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.640766] ? __lock_acquire+0x7ec/0x4ec0 [ 279.645017] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.650127] ? __lock_acquire+0x7ec/0x4ec0 [ 279.654363] ? should_fail+0x22d/0xd01 [ 279.658271] ? mark_held_locks+0x130/0x130 [ 279.662515] ? mark_held_locks+0x130/0x130 [ 279.666753] ? graph_lock+0x170/0x170 [ 279.670555] ? graph_lock+0x170/0x170 [ 279.674361] ? graph_lock+0x170/0x170 [ 279.678167] ? print_usage_bug+0xc0/0xc0 [ 279.682229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.687774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.693312] ? check_preemption_disabled+0x48/0x200 [ 279.698328] ? check_preemption_disabled+0x48/0x200 [ 279.703361] ? __lock_is_held+0xb5/0x140 [ 279.707431] __alloc_pages_nodemask+0xa80/0xde0 [ 279.712107] ? graph_lock+0x170/0x170 [ 279.715917] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 279.720932] ? graph_lock+0x170/0x170 [ 279.724744] ? find_held_lock+0x36/0x1c0 [ 279.728824] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.733497] ? lock_downgrade+0x900/0x900 [ 279.737655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.743198] cache_grow_begin+0x91/0x8c0 [ 279.747262] ? do_raw_spin_unlock+0xa7/0x2f0 [ 279.751690] fallback_alloc+0x203/0x2e0 [ 279.755695] ____cache_alloc_node+0x1c7/0x1e0 [ 279.760205] kmem_cache_alloc_node+0xe3/0x730 [ 279.764707] ? ipv6_get_ifaddr+0x42e/0x620 [ 279.768960] __alloc_skb+0x119/0x770 [ 279.772695] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.777978] ? skb_scrub_packet+0x490/0x490 [ 279.782310] ? lock_downgrade+0x900/0x900 [ 279.786471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.792014] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.797471] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.802931] ? addrconf_rs_timer+0x6f0/0x6f0 [ 279.808402] ndisc_alloc_skb+0x144/0x340 [ 279.812472] ndisc_send_rs+0x331/0x6e0 [ 279.816369] addrconf_rs_timer+0x3c0/0x6f0 [ 279.820614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.824867] call_timer_fn+0x272/0x920 [ 279.828761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.833008] ? process_timeout+0x40/0x40 [ 279.837072] ? find_held_lock+0x36/0x1c0 [ 279.841148] ? __run_timers+0x7da/0xc70 [ 279.845132] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.849631] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.854126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.858365] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 279.862951] ? trace_hardirqs_on+0xbd/0x310 [ 279.867284] ? kasan_check_read+0x11/0x20 [ 279.871444] ? __run_timers+0x7da/0xc70 [ 279.875443] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.880916] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.885158] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.889410] __run_timers+0x7e5/0xc70 [ 279.893226] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 279.898626] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 279.903673] ? graph_lock+0x170/0x170 [ 279.907480] ? enqueue_hrtimer+0x1a5/0x560 [ 279.911718] ? lock_release+0x970/0x970 [ 279.915710] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 279.920907] ? find_held_lock+0x36/0x1c0 [ 279.924985] ? pvclock_read_flags+0x160/0x160 [ 279.929497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.935031] ? check_preemption_disabled+0x48/0x200 [ 279.940062] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 279.945602] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.950886] ? rcu_pm_notify+0xc0/0xc0 [ 279.954782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.960324] ? check_preemption_disabled+0x48/0x200 [ 279.965350] run_timer_softirq+0x52/0xb0 [ 279.969414] ? rcu_read_lock_sched_held+0x108/0x120 [ 279.974434] __do_softirq+0x30b/0xad8 [ 279.978250] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 279.983362] ? pvclock_read_flags+0x160/0x160 [ 279.987870] ? lapic_next_event+0x5a/0x90 [ 279.992025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.997573] ? check_preemption_disabled+0x48/0x200 [ 280.002589] ? check_preemption_disabled+0x48/0x200 [ 280.007622] ? kvm_clock_read+0x18/0x30 [ 280.011595] ? kvm_sched_clock_read+0x9/0x20 [ 280.016033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.021582] ? check_preemption_disabled+0x48/0x200 [ 280.027109] irq_exit+0x17f/0x1c0 [ 280.030588] smp_apic_timer_interrupt+0x1cb/0x760 [ 280.035447] ? smp_call_function_single_interrupt+0x650/0x650 [ 280.041332] ? interrupt_entry+0xb5/0xf0 [ 280.045396] ? trace_hardirqs_off_caller+0xbb/0x300 [ 280.050412] ? trace_hardirqs_off_caller+0xbb/0x300 [ 280.055431] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.060277] ? trace_hardirqs_off+0x300/0x300 [ 280.064780] ? trace_hardirqs_off+0x300/0x300 [ 280.069280] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.074822] ? check_preemption_disabled+0x48/0x200 [ 280.079841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.085386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.090254] apic_timer_interrupt+0xf/0x20 [ 280.094488] [ 280.096736] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 280.101840] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 280.120738] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 280.128463] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 280.135969] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 280.143243] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 280.150511] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 280.157795] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 280.165096] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.169600] finish_task_switch+0x1f5/0x900 [ 280.173932] ? finish_task_switch+0x1b5/0x900 [ 280.178441] ? __switch_to_asm+0x34/0x70 [ 280.182521] ? preempt_notifier_register+0x200/0x200 [ 280.187622] ? __switch_to_asm+0x34/0x70 [ 280.191688] ? __switch_to_asm+0x34/0x70 [ 280.195748] ? __switch_to_asm+0x40/0x70 [ 280.199812] ? __switch_to_asm+0x34/0x70 [ 280.203868] ? __switch_to_asm+0x40/0x70 [ 280.207925] ? __switch_to_asm+0x34/0x70 [ 280.211992] ? __switch_to_asm+0x40/0x70 [ 280.216053] ? __switch_to_asm+0x34/0x70 [ 280.220116] ? __switch_to_asm+0x40/0x70 [ 280.224181] ? __switch_to_asm+0x34/0x70 [ 280.228246] ? __switch_to_asm+0x40/0x70 [ 280.232309] ? __switch_to_asm+0x34/0x70 [ 280.236367] ? __switch_to_asm+0x40/0x70 [ 280.240425] ? __switch_to_asm+0x34/0x70 [ 280.244486] ? __switch_to_asm+0x40/0x70 [ 280.248571] __schedule+0x874/0x1ed0 [ 280.252305] ? lockdep_hardirqs_on+0x421/0x5c0 [ 280.256911] ? __sched_text_start+0x8/0x8 [ 280.261065] ? graph_lock+0x170/0x170 [ 280.264870] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 280.269639] ? lockdep_hardirqs_on+0x421/0x5c0 [ 280.274223] ? retint_kernel+0x2d/0x2d [ 280.278119] ? find_held_lock+0x36/0x1c0 [ 280.282195] schedule+0xfe/0x460 [ 280.285569] ? __schedule+0x1ed0/0x1ed0 [ 280.289546] ? lockdep_hardirqs_on+0x421/0x5c0 [ 280.294131] ? trace_hardirqs_on+0xbd/0x310 [ 280.298449] ? kasan_check_read+0x11/0x20 [ 280.302622] ? worker_thread+0x3ca/0x1390 [ 280.306770] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.312223] ? kasan_check_write+0x14/0x20 [ 280.316463] ? do_raw_spin_lock+0xc1/0x200 [ 280.320705] worker_thread+0x3cf/0x1390 [ 280.324684] ? __switch_to_asm+0x34/0x70 [ 280.328760] ? process_one_work+0x1b90/0x1b90 [ 280.333267] ? graph_lock+0x170/0x170 [ 280.337077] ? __sched_text_start+0x8/0x8 [ 280.341236] ? find_held_lock+0x36/0x1c0 [ 280.345310] ? __kthread_parkme+0xce/0x1a0 [ 280.349548] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 280.354652] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 280.359756] ? lockdep_hardirqs_on+0x421/0x5c0 [ 280.364352] ? trace_hardirqs_on+0xbd/0x310 [ 280.368684] ? kasan_check_read+0x11/0x20 [ 280.372844] ? __kthread_parkme+0xce/0x1a0 [ 280.377083] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.382534] ? kasan_check_write+0x14/0x20 [ 280.386771] ? do_raw_spin_lock+0xc1/0x200 [ 280.391012] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 280.396117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.401652] ? __kthread_parkme+0xfb/0x1a0 [ 280.405894] kthread+0x35a/0x420 [ 280.409298] ? process_one_work+0x1b90/0x1b90 [ 280.413804] ? kthread_bind+0x40/0x40 [ 280.417614] ret_from_fork+0x3a/0x50 [ 280.421355] warn_alloc_show_mem: 1 callbacks suppressed [ 280.421367] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 280.421369] Mem-Info: [ 280.421399] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 280.421399] active_file:13 inactive_file:18 isolated_file:0 [ 280.421399] unevictable:0 dirty:0 writeback:0 unstable:0 [ 280.421399] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 280.421399] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 280.421399] free:13747 free_pcp:307 free_cma:0 [ 280.426739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.426748] Call Trace: [ 280.433943] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 280.436343] [ 280.469209] Node 0 [ 280.478577] dump_stack+0x1c4/0x2b4 [ 280.481162] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 280.508896] ? dump_stack_print_info.cold.2+0x52/0x52 [ 280.511024] lowmem_reserve[]: [ 280.513266] warn_alloc.cold.118+0xb7/0x1bd [ 280.516861] 0 2815 [ 280.542387] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 280.547551] 6318 6318 [ 280.550685] ? lock_downgrade+0x900/0x900 [ 280.554987] Node 0 [ 280.557222] ? trace_hardirqs_off+0xb8/0x300 [ 280.562068] DMA32 free:25280kB 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 [ 280.564537] ? trace_hardirqs_off+0xb8/0x300 [ 280.568658] lowmem_reserve[]: [ 280.570907] __alloc_pages_slowpath+0x2667/0x2d80 [ 280.575289] 0 [ 280.602293] ? warn_alloc+0x120/0x120 [ 280.606653] 0 [ 280.609756] ? trace_hardirqs_on+0x310/0x310 [ 280.614568] 3503 3503 [ 280.616376] ? warn_alloc+0x120/0x120 [ 280.621958] ? print_usage_bug+0xc0/0xc0 [ 280.626341] Node 0 [ 280.628837] ? warn_alloc+0x120/0x120 [ 280.632644] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 280.636690] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 280.638905] lowmem_reserve[]: [ 280.642700] ? print_usage_bug+0xc0/0xc0 [ 280.671042] 0 [ 280.676062] ? __lock_acquire+0x7ec/0x4ec0 [ 280.679142] 0 [ 280.683222] ? __lock_acquire+0x7ec/0x4ec0 [ 280.685006] 0 [ 280.689241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.691022] 0 [ 280.695254] ? should_fail+0x22d/0xd01 [ 280.702580] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.704364] Node 0 [ 280.708251] ? __lock_acquire+0x7ec/0x4ec0 [ 280.713358] DMA: [ 280.715605] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.719814] 1*4kB [ 280.721871] ? __lock_acquire+0x7ec/0x4ec0 [ 280.726948] (U) [ 280.729101] ? should_fail+0x22d/0xd01 [ 280.733313] 0*8kB [ 280.735286] ? print_usage_bug+0xc0/0xc0 [ 280.739160] 0*16kB [ 280.741310] ? mark_held_locks+0x130/0x130 [ 280.745354] 1*32kB [ 280.747590] ? mark_held_locks+0x130/0x130 [ 280.751802] (U) [ 280.754055] ? graph_lock+0x170/0x170 [ 280.758266] 2*64kB [ 280.760236] ? print_usage_bug+0xc0/0xc0 [ 280.764016] (U) [ 280.766250] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 280.770291] 1*128kB [ 280.772264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.776997] (U) [ 280.779318] ? check_preemption_disabled+0x48/0x200 [ 280.784833] 1*256kB [ 280.786807] ? check_preemption_disabled+0x48/0x200 [ 280.791799] (U) [ 280.794135] ? __lock_is_held+0xb5/0x140 [ 280.799126] 0*512kB [ 280.801104] __alloc_pages_nodemask+0xa80/0xde0 [ 280.805141] 1*1024kB [ 280.807457] ? graph_lock+0x170/0x170 [ 280.812103] (U) [ 280.814518] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 280.818296] 1*2048kB [ 280.820270] ? graph_lock+0x170/0x170 [ 280.825264] (M) [ 280.827677] ? find_held_lock+0x36/0x1c0 [ 280.831452] 3*4096kB [ 280.833427] ? ____cache_alloc_node+0x1c7/0x1e0 [ 280.837464] (M) [ 280.839881] ? lock_downgrade+0x900/0x900 [ 280.844525] = 15908kB [ 280.846517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.850642] Node 0 [ 280.853051] cache_grow_begin+0x91/0x8c0 [ 280.858558] DMA32: 4*4kB [ 280.860803] ? do_raw_spin_unlock+0xa7/0x2f0 [ 280.864837] (UM) [ 280.867610] fallback_alloc+0x203/0x2e0 [ 280.871997] 2*8kB [ 280.874066] ____cache_alloc_node+0x1c7/0x1e0 [ 280.878017] (M) [ 280.880168] kmem_cache_alloc_node+0xe3/0x730 [ 280.884650] 2*16kB [ 280.886632] ? ipv6_get_ifaddr+0x42e/0x620 [ 280.891101] (UM) [ 280.893345] __alloc_skb+0x119/0x770 [ 280.897551] 2*32kB (UM) [ 280.899624] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.903313] 3*64kB [ 280.906018] ? skb_scrub_packet+0x490/0x490 [ 280.911283] (UM) [ 280.913520] ? lock_downgrade+0x900/0x900 [ 280.917811] 3*128kB (M) [ 280.919896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.924014] 2*256kB (M) [ 280.926695] ? refcount_sub_and_test_checked+0x203/0x310 [ 280.932200] 3*512kB (M) [ 280.934877] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 280.940304] 4*1024kB [ 280.942981] ? addrconf_rs_timer+0x6f0/0x6f0 [ 280.948401] (UM) [ 280.950820] ndisc_alloc_skb+0x144/0x340 [ 280.955198] 3*2048kB [ 280.957258] ndisc_send_rs+0x331/0x6e0 [ 280.961293] (UM) [ 280.963701] addrconf_rs_timer+0x3c0/0x6f0 [ 280.967563] 3*4096kB [ 280.969630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.973832] (M) = 25280kB [ 280.976261] call_timer_fn+0x272/0x920 [ 280.980466] Node 0 [ 280.983228] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.987090] Normal: 876*4kB [ 280.989345] ? process_timeout+0x40/0x40 [ 280.993553] (UME) [ 280.996564] ? find_held_lock+0x36/0x1c0 [ 281.000596] 393*8kB (UMEH) [ 281.002770] ? __run_timers+0x7da/0xc70 [ 281.006804] 183*16kB [ 281.009731] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.013683] (UMEH) [ 281.016091] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.020556] 70*32kB (UMEH) [ 281.022826] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.027294] 13*64kB (UMH) [ 281.030236] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 281.034440] 3*128kB (UH) [ 281.037293] ? trace_hardirqs_on+0xbd/0x310 [ 281.041860] 3*256kB (H) [ 281.044649] ? kasan_check_read+0x11/0x20 [ 281.048949] 0*512kB [ 281.051626] ? __run_timers+0x7da/0xc70 [ 281.055778] 0*1024kB [ 281.058107] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.062065] 0*2048kB [ 281.064478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.069910] 0*4096kB [ 281.072322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.076534] = 13800kB [ 281.078947] __run_timers+0x7e5/0xc70 [ 281.083173] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 281.085588] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 281.089359] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 281.089370] 410 total pagecache pages [ 281.098208] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 281.103560] 0 pages in swap cache [ 281.112127] ? graph_lock+0x170/0x170 [ 281.115907] Swap cache stats: add 0, delete 0, find 0/0 [ 281.115917] Free swap = 0kB [ 281.120934] ? enqueue_hrtimer+0x1a5/0x560 [ 281.124366] Total swap = 0kB [ 281.128168] ? lock_release+0x970/0x970 [ 281.133512] 1965979 pages RAM [ 281.136527] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 281.140740] 0 pages HighMem/MovableOnly [ 281.140751] 343323 pages reserved [ 281.143770] ? find_held_lock+0x36/0x1c0 [ 281.147714] 0 pages cma reserved [ 281.147802] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.150827] ? graph_lock+0x170/0x170 [ 281.156060] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.159981] ? pvclock_read_flags+0x160/0x160 [ 281.163419] kworker/0:1 cpuset= [ 281.167489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.170824] / [ 281.177314] ? check_preemption_disabled+0x48/0x200 [ 281.181099] mems_allowed=0 [ 281.191411] ? __lock_is_held+0xb5/0x140 [ 281.218339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.223878] ? check_preemption_disabled+0x48/0x200 [ 281.228907] run_timer_softirq+0x52/0xb0 [ 281.232998] ? rcu_read_lock_sched_held+0x108/0x120 [ 281.238029] __do_softirq+0x30b/0xad8 [ 281.241869] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 281.246995] ? pvclock_read_flags+0x160/0x160 [ 281.251503] ? lapic_next_event+0x5a/0x90 [ 281.255656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.261198] ? check_preemption_disabled+0x48/0x200 [ 281.266218] ? check_preemption_disabled+0x48/0x200 [ 281.271250] ? kvm_clock_read+0x18/0x30 [ 281.275231] ? kvm_sched_clock_read+0x9/0x20 [ 281.279644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.285185] ? check_preemption_disabled+0x48/0x200 [ 281.290217] irq_exit+0x17f/0x1c0 [ 281.293678] smp_apic_timer_interrupt+0x1cb/0x760 [ 281.298530] ? smp_reschedule_interrupt+0x109/0x650 [ 281.303553] ? smp_call_function_single_interrupt+0x650/0x650 [ 281.309443] ? interrupt_entry+0xb5/0xf0 [ 281.313516] ? trace_hardirqs_off_caller+0xbb/0x300 [ 281.318545] ? trace_hardirqs_off_caller+0xbb/0x300 [ 281.323571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.328418] ? trace_hardirqs_off+0x300/0x300 [ 281.332920] ? trace_hardirqs_off+0x300/0x300 [ 281.337421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.342964] ? check_preemption_disabled+0x48/0x200 [ 281.348007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.352870] apic_timer_interrupt+0xf/0x20 [ 281.357100] [ 281.359343] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 281.364278] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 281.383182] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 281.390904] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 281.398185] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 281.405455] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 281.412729] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 281.420005] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 281.427318] skb_clone+0x1bb/0x500 [ 281.430867] ? skb_split+0x11e0/0x11e0 [ 281.434768] ? preempt_notifier_register+0x200/0x200 [ 281.439877] ? __switch_to_asm+0x34/0x70 [ 281.443946] ? __switch_to_asm+0x34/0x70 [ 281.448016] ? __switch_to_asm+0x40/0x70 [ 281.452078] ? __switch_to_asm+0x34/0x70 [ 281.456142] ? __switch_to_asm+0x40/0x70 [ 281.460208] ? __switch_to_asm+0x40/0x70 [ 281.464273] ? __switch_to_asm+0x34/0x70 [ 281.468335] ? __switch_to_asm+0x34/0x70 [ 281.472400] ? __switch_to_asm+0x40/0x70 [ 281.476461] ? __switch_to_asm+0x34/0x70 [ 281.480544] bpf_clone_redirect+0xb9/0x490 [ 281.484791] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 281.489820] ? __sched_text_start+0x8/0x8 [ 281.493991] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 281.498774] ? find_held_lock+0x36/0x1c0 [ 281.502848] ? lock_acquire+0x1ed/0x520 [ 281.506825] ? bpf_test_run+0x32e/0x5a0 [ 281.510811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.516350] ? check_preemption_disabled+0x48/0x200 [ 281.521378] ? kasan_check_read+0x11/0x20 [ 281.525534] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.530818] ? rcu_bh_qs+0xc0/0xc0 [ 281.534368] ? preempt_schedule+0x4d/0x60 [ 281.538521] ? ___preempt_schedule+0x16/0x18 [ 281.542941] ? bpf_test_run+0x1c0/0x5a0 [ 281.546940] ? netlink_diag_dump+0x2a0/0x2a0 [ 281.551367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.556906] ? bpf_test_init.isra.9+0x70/0x100 [ 281.561505] ? bpf_prog_test_run_skb+0x634/0xb40 [ 281.566272] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 281.571119] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 281.576668] ? fput+0x130/0x1a0 [ 281.579955] ? __bpf_prog_get+0x9b/0x290 [ 281.584034] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 281.588878] ? bpf_prog_test_run+0x130/0x1a0 [ 281.593293] ? __x64_sys_bpf+0x3d8/0x510 [ 281.597362] ? bpf_prog_get+0x20/0x20 [ 281.601174] ? ksys_ioctl+0x81/0xd0 [ 281.604820] ? do_syscall_64+0x1b9/0x820 [ 281.608884] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 281.614259] ? syscall_return_slowpath+0x5e0/0x5e0 [ 281.619198] ? trace_hardirqs_off+0x300/0x300 [ 281.623700] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 281.628723] ? recalc_sigpending_tsk+0x180/0x180 [ 281.633492] ? kasan_check_write+0x14/0x20 [ 281.637740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.642595] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 281.647996] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 281.648063] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.654844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.654867] Workqueue: (null) [ 281.661429] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.670680] (events) [ 281.674729] syz-executor1 cpuset= [ 281.685203] Call Trace: [ 281.687601] syz1 [ 281.691044] [ 281.693622] mems_allowed=0 [ 281.695596] dump_stack+0x1c4/0x2b4 [ 281.704274] ? dump_stack_print_info.cold.2+0x52/0x52 [ 281.709488] warn_alloc.cold.118+0xb7/0x1bd [ 281.713821] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.718671] ? lock_downgrade+0x900/0x900 [ 281.722835] ? trace_hardirqs_off+0xb8/0x300 [ 281.727253] ? trace_hardirqs_off+0xb8/0x300 [ 281.731676] __alloc_pages_slowpath+0x2667/0x2d80 [ 281.736550] ? warn_alloc+0x120/0x120 [ 281.740354] ? graph_lock+0x170/0x170 [ 281.744167] ? warn_alloc+0x120/0x120 [ 281.747974] ? print_usage_bug+0xc0/0xc0 [ 281.752046] ? warn_alloc+0x120/0x120 [ 281.755850] ? print_usage_bug+0xc0/0xc0 [ 281.759923] ? __lock_acquire+0x7ec/0x4ec0 [ 281.764170] ? __lock_acquire+0x7ec/0x4ec0 [ 281.768424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.773966] ? should_fail+0x22d/0xd01 [ 281.777870] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.782975] ? __lock_acquire+0x7ec/0x4ec0 [ 281.787224] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.792328] ? __lock_acquire+0x7ec/0x4ec0 [ 281.796568] ? should_fail+0x22d/0xd01 [ 281.800472] ? mark_held_locks+0x130/0x130 [ 281.804721] ? mark_held_locks+0x130/0x130 [ 281.808960] ? graph_lock+0x170/0x170 [ 281.812770] ? graph_lock+0x170/0x170 [ 281.816580] ? graph_lock+0x170/0x170 [ 281.820388] ? print_usage_bug+0xc0/0xc0 [ 281.824453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.830003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.835569] ? check_preemption_disabled+0x48/0x200 [ 281.840587] ? check_preemption_disabled+0x48/0x200 [ 281.845622] ? __lock_is_held+0xb5/0x140 [ 281.849694] __alloc_pages_nodemask+0xa80/0xde0 [ 281.854366] ? graph_lock+0x170/0x170 [ 281.858177] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 281.863218] ? graph_lock+0x170/0x170 [ 281.867043] ? find_held_lock+0x36/0x1c0 [ 281.871121] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.875797] ? lock_downgrade+0x900/0x900 [ 281.879959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.885514] cache_grow_begin+0x91/0x8c0 [ 281.889582] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.894018] fallback_alloc+0x203/0x2e0 [ 281.898009] ____cache_alloc_node+0x1c7/0x1e0 [ 281.902540] kmem_cache_alloc_node+0xe3/0x730 [ 281.907044] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.911294] __alloc_skb+0x119/0x770 [ 281.915028] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.920315] ? skb_scrub_packet+0x490/0x490 [ 281.924640] ? lock_downgrade+0x900/0x900 [ 281.928802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.934346] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.939806] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.945262] ? addrconf_rs_timer+0x6f0/0x6f0 [ 281.949700] ndisc_alloc_skb+0x144/0x340 [ 281.953771] ndisc_send_rs+0x331/0x6e0 [ 281.957674] addrconf_rs_timer+0x3c0/0x6f0 [ 281.961922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.966190] call_timer_fn+0x272/0x920 [ 281.970085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.974331] ? process_timeout+0x40/0x40 [ 281.978397] ? find_held_lock+0x36/0x1c0 [ 281.982476] ? __run_timers+0x7da/0xc70 [ 281.986475] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.990974] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.995481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.999726] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 282.004318] ? trace_hardirqs_on+0xbd/0x310 [ 282.008643] ? kasan_check_read+0x11/0x20 [ 282.012794] ? __run_timers+0x7da/0xc70 [ 282.016773] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.022234] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.026939] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.031194] __run_timers+0x7e5/0xc70 [ 282.035032] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 282.040403] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.045427] ? graph_lock+0x170/0x170 [ 282.049239] ? enqueue_hrtimer+0x1a5/0x560 [ 282.053476] ? lock_release+0x970/0x970 [ 282.057463] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.062664] ? find_held_lock+0x36/0x1c0 [ 282.066742] ? pvclock_read_flags+0x160/0x160 [ 282.071240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.076782] ? check_preemption_disabled+0x48/0x200 [ 282.081814] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 282.087356] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.092640] ? rcu_pm_notify+0xc0/0xc0 [ 282.096538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.102088] ? check_preemption_disabled+0x48/0x200 [ 282.107127] run_timer_softirq+0x52/0xb0 [ 282.111192] ? rcu_read_lock_sched_held+0x108/0x120 [ 282.116215] __do_softirq+0x30b/0xad8 [ 282.120034] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 282.125156] ? pvclock_read_flags+0x160/0x160 [ 282.129655] ? lapic_next_event+0x5a/0x90 [ 282.133809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.139541] ? check_preemption_disabled+0x48/0x200 [ 282.144560] ? check_preemption_disabled+0x48/0x200 [ 282.149589] ? kvm_clock_read+0x18/0x30 [ 282.153573] ? kvm_sched_clock_read+0x9/0x20 [ 282.157998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.163541] ? check_preemption_disabled+0x48/0x200 [ 282.168574] irq_exit+0x17f/0x1c0 [ 282.172040] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.176889] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.182784] ? interrupt_entry+0xb5/0xf0 [ 282.186854] ? trace_hardirqs_off_caller+0xbb/0x300 [ 282.191874] ? trace_hardirqs_off_caller+0xbb/0x300 [ 282.196904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.201756] ? trace_hardirqs_off+0x300/0x300 [ 282.206252] ? trace_hardirqs_off+0x300/0x300 [ 282.210756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.216299] ? check_preemption_disabled+0x48/0x200 [ 282.221322] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.226875] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.231734] apic_timer_interrupt+0xf/0x20 [ 282.235970] [ 282.238218] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 282.243326] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 282.262243] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 282.269957] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 282.277235] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 282.284507] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 282.291779] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 282.299050] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 282.306354] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.310859] finish_task_switch+0x1f5/0x900 [ 282.315184] ? finish_task_switch+0x1b5/0x900 [ 282.319687] ? __switch_to_asm+0x34/0x70 [ 282.323756] ? preempt_notifier_register+0x200/0x200 [ 282.328863] ? __switch_to_asm+0x34/0x70 [ 282.332929] ? __switch_to_asm+0x34/0x70 [ 282.336997] ? __switch_to_asm+0x40/0x70 [ 282.341060] ? __switch_to_asm+0x34/0x70 [ 282.345121] ? __switch_to_asm+0x40/0x70 [ 282.349188] ? __switch_to_asm+0x34/0x70 [ 282.353249] ? __switch_to_asm+0x40/0x70 [ 282.357311] ? __switch_to_asm+0x34/0x70 [ 282.361372] ? __switch_to_asm+0x40/0x70 [ 282.365434] ? __switch_to_asm+0x34/0x70 [ 282.369498] ? __switch_to_asm+0x40/0x70 [ 282.373562] ? __switch_to_asm+0x34/0x70 [ 282.377624] ? __switch_to_asm+0x40/0x70 [ 282.381691] ? __switch_to_asm+0x34/0x70 [ 282.385757] ? __switch_to_asm+0x40/0x70 [ 282.389833] __schedule+0x874/0x1ed0 [ 282.393552] ? lockdep_hardirqs_on+0x421/0x5c0 [ 282.398149] ? __sched_text_start+0x8/0x8 [ 282.402308] ? graph_lock+0x170/0x170 [ 282.406121] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.410888] ? lockdep_hardirqs_on+0x421/0x5c0 [ 282.415482] ? retint_kernel+0x2d/0x2d [ 282.419385] ? find_held_lock+0x36/0x1c0 [ 282.423459] schedule+0xfe/0x460 [ 282.426839] ? __schedule+0x1ed0/0x1ed0 [ 282.430836] ? lockdep_hardirqs_on+0x421/0x5c0 [ 282.435433] ? trace_hardirqs_on+0xbd/0x310 [ 282.439758] ? kasan_check_read+0x11/0x20 [ 282.443906] ? worker_thread+0x3ca/0x1390 [ 282.448063] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.453522] ? kasan_check_write+0x14/0x20 [ 282.457761] ? do_raw_spin_lock+0xc1/0x200 [ 282.462013] worker_thread+0x3cf/0x1390 [ 282.465997] ? __switch_to_asm+0x34/0x70 [ 282.470083] ? process_one_work+0x1b90/0x1b90 [ 282.474589] ? graph_lock+0x170/0x170 [ 282.478404] ? __sched_text_start+0x8/0x8 [ 282.482569] ? find_held_lock+0x36/0x1c0 [ 282.486646] ? __kthread_parkme+0xce/0x1a0 [ 282.490890] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 282.496025] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 282.501136] ? lockdep_hardirqs_on+0x421/0x5c0 [ 282.505724] ? trace_hardirqs_on+0xbd/0x310 [ 282.510050] ? kasan_check_read+0x11/0x20 [ 282.514203] ? __kthread_parkme+0xce/0x1a0 [ 282.518446] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.523905] ? kasan_check_write+0x14/0x20 [ 282.528148] ? do_raw_spin_lock+0xc1/0x200 [ 282.532400] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 282.537514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.543056] ? __kthread_parkme+0xfb/0x1a0 [ 282.547304] kthread+0x35a/0x420 [ 282.550674] ? process_one_work+0x1b90/0x1b90 [ 282.555173] ? kthread_bind+0x40/0x40 [ 282.558989] ret_from_fork+0x3a/0x50 [ 282.562727] warn_alloc_show_mem: 1 callbacks suppressed [ 282.562740] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 282.562743] Mem-Info: [ 282.562774] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 282.562774] active_file:13 inactive_file:18 isolated_file:0 [ 282.562774] unevictable:0 dirty:0 writeback:0 unstable:0 [ 282.562774] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 282.562774] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 282.562774] free:13747 free_pcp:307 free_cma:0 [ 282.568114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.568124] Call Trace: [ 282.575327] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 282.577734] [ 282.610626] Node 0 [ 282.620013] dump_stack+0x1c4/0x2b4 [ 282.622602] 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 [ 282.650265] ? dump_stack_print_info.cold.2+0x52/0x52 [ 282.652399] lowmem_reserve[]: [ 282.654650] warn_alloc.cold.118+0xb7/0x1bd [ 282.658242] 0 2815 [ 282.683773] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 282.688947] 6318 [ 282.692063] ? lock_downgrade+0x900/0x900 [ 282.696349] 6318 [ 282.698606] ? trace_hardirqs_off+0xb8/0x300 [ 282.703422] Node 0 [ 282.705499] ? trace_hardirqs_off+0xb8/0x300 [ 282.709643] DMA32 free:25280kB 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 [ 282.711691] __alloc_pages_slowpath+0x2667/0x2d80 [ 282.716067] lowmem_reserve[]: 0 [ 282.718343] ? warn_alloc+0x120/0x120 [ 282.722706] 0 [ 282.749699] ? trace_hardirqs_on+0x310/0x310 [ 282.754527] 3503 [ 282.757812] ? warn_alloc+0x120/0x120 [ 282.761580] 3503 [ 282.763396] ? print_usage_bug+0xc0/0xc0 [ 282.767781] Node 0 [ 282.769844] ? warn_alloc+0x120/0x120 [ 282.773652] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 282.775697] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 282.779732] lowmem_reserve[]: [ 282.781978] ? print_usage_bug+0xc0/0xc0 [ 282.785749] 0 0 [ 282.814143] ? __lock_acquire+0x7ec/0x4ec0 [ 282.819141] 0 [ 282.822249] ? __lock_acquire+0x7ec/0x4ec0 [ 282.826284] 0 [ 282.828263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.832472] Node 0 [ 282.834283] ? should_fail+0x22d/0xd01 [ 282.838492] DMA: 1*4kB [ 282.840308] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.845828] (U) [ 282.848068] ? __lock_acquire+0x7ec/0x4ec0 [ 282.851933] 0*8kB [ 282.854526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.859606] 0*16kB [ 282.861584] ? __lock_acquire+0x7ec/0x4ec0 [ 282.865797] 1*32kB [ 282.867947] ? should_fail+0x22d/0xd01 [ 282.873018] (U) 2*64kB [ 282.875267] ? print_usage_bug+0xc0/0xc0 [ 282.879479] (U) [ 282.881729] ? mark_held_locks+0x130/0x130 [ 282.885586] 1*128kB [ 282.888172] ? mark_held_locks+0x130/0x130 [ 282.892212] (U) [ 282.894193] ? graph_lock+0x170/0x170 [ 282.898397] 1*256kB (U) [ 282.900737] ? print_usage_bug+0xc0/0xc0 [ 282.904948] 0*512kB 1*1024kB [ 282.906946] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.910723] (U) [ 282.913395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.917430] 1*2048kB (M) [ 282.920545] ? check_preemption_disabled+0x48/0x200 [ 282.925272] 3*4096kB (M) [ 282.927255] ? check_preemption_disabled+0x48/0x200 [ 282.932769] = 15908kB [ 282.935535] ? __lock_is_held+0xb5/0x140 [ 282.940520] Node 0 [ 282.943281] __alloc_pages_nodemask+0xa80/0xde0 [ 282.948264] DMA32: 4*4kB [ 282.950688] ? graph_lock+0x170/0x170 [ 282.954729] (UM) [ 282.956977] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 282.961620] 2*8kB [ 282.964373] ? graph_lock+0x170/0x170 [ 282.968152] (M) [ 282.970219] ? find_held_lock+0x36/0x1c0 [ 282.975210] 2*16kB [ 282.977367] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.981140] (UM) [ 282.983120] ? lock_downgrade+0x900/0x900 [ 282.987163] 2*32kB [ 282.989402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.994049] (UM) [ 282.996112] cache_grow_begin+0x91/0x8c0 [ 283.000240] 3*64kB [ 283.002474] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.007990] (UM) [ 283.010057] fallback_alloc+0x203/0x2e0 [ 283.014093] 3*128kB [ 283.016330] ____cache_alloc_node+0x1c7/0x1e0 [ 283.020716] (M) [ 283.022779] kmem_cache_alloc_node+0xe3/0x730 [ 283.026732] 2*256kB [ 283.029057] ? ipv6_get_ifaddr+0x42e/0x620 [ 283.033528] (M) [ 283.035521] __alloc_skb+0x119/0x770 [ 283.039990] 3*512kB [ 283.042312] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.046522] (M) [ 283.048503] ? skb_scrub_packet+0x490/0x490 [ 283.052195] 4*1024kB [ 283.054519] ? lock_downgrade+0x900/0x900 [ 283.059766] (UM) 3*2048kB [ 283.061760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.066055] (UM) [ 283.068468] ? refcount_sub_and_test_checked+0x203/0x310 [ 283.072680] 3*4096kB [ 283.075526] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.081039] (M) [ 283.083103] ? addrconf_rs_timer+0x6f0/0x6f0 [ 283.088610] = 25280kB [ 283.088620] Node 0 [ 283.091040] ndisc_alloc_skb+0x144/0x340 [ 283.096462] Normal: [ 283.098448] ndisc_send_rs+0x331/0x6e0 [ 283.102835] 876*4kB [ 283.105248] addrconf_rs_timer+0x3c0/0x6f0 [ 283.107458] (UME) [ 283.111526] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.113824] 393*8kB (UMEH) [ 283.117731] call_timer_fn+0x272/0x920 [ 283.120019] 183*16kB (UMEH) [ 283.124261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.126395] 70*32kB [ 283.130633] ? process_timeout+0x40/0x40 [ 283.133545] (UMEH) [ 283.137433] ? find_held_lock+0x36/0x1c0 [ 283.140434] 13*64kB [ 283.144689] ? __run_timers+0x7da/0xc70 [ 283.146990] (UMH) [ 283.151053] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.153268] 3*128kB [ 283.157325] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.159628] (UH) [ 283.163601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.165733] 3*256kB [ 283.170225] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 283.172519] (H) 0*512kB [ 283.177026] ? trace_hardirqs_on+0xbd/0x310 [ 283.179076] 0*1024kB [ 283.183304] ? kasan_check_read+0x11/0x20 [ 283.183322] ? __run_timers+0x7da/0xc70 [ 283.185626] 0*2048kB [ 283.190206] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.192853] 0*4096kB = 13800kB [ 283.197185] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.199583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 283.203726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.207677] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 283.207687] 410 total pagecache pages [ 283.210097] __run_timers+0x7e5/0xc70 [ 283.215530] 0 pages in swap cache [ 283.218728] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 283.222936] Swap cache stats: add 0, delete 0, find 0/0 [ 283.231766] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 283.235970] Free swap = 0kB [ 283.235976] Total swap = 0kB [ 283.235989] 1965979 pages RAM [ 283.244567] ? graph_lock+0x170/0x170 [ 283.248347] 0 pages HighMem/MovableOnly [ 283.252155] ? enqueue_hrtimer+0x1a5/0x560 [ 283.255580] 343323 pages reserved [ 283.255590] 0 pages cma reserved [ 283.260948] ? lock_release+0x970/0x970 [ 283.266346] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.271296] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 283.271319] ? find_held_lock+0x36/0x1c0 [ 283.271338] ? graph_lock+0x170/0x170 [ 283.274396] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.277362] ? pvclock_read_flags+0x160/0x160 [ 283.280451] kworker/0:1 cpuset= [ 283.284251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.288200] / [ 283.292432] ? check_preemption_disabled+0x48/0x200 [ 283.295870] mems_allowed=0 [ 283.299236] ? __lock_is_held+0xb5/0x140 [ 283.359981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.365529] ? check_preemption_disabled+0x48/0x200 [ 283.370565] run_timer_softirq+0x52/0xb0 [ 283.374634] ? rcu_read_lock_sched_held+0x108/0x120 [ 283.379661] __do_softirq+0x30b/0xad8 [ 283.383509] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 283.388626] ? pvclock_read_flags+0x160/0x160 [ 283.393124] ? lapic_next_event+0x5a/0x90 [ 283.397276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.402817] ? check_preemption_disabled+0x48/0x200 [ 283.407836] ? check_preemption_disabled+0x48/0x200 [ 283.412861] ? kvm_clock_read+0x18/0x30 [ 283.416840] ? kvm_sched_clock_read+0x9/0x20 [ 283.421256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.426799] ? check_preemption_disabled+0x48/0x200 [ 283.432116] irq_exit+0x17f/0x1c0 [ 283.435584] smp_apic_timer_interrupt+0x1cb/0x760 [ 283.440430] ? smp_reschedule_interrupt+0x109/0x650 [ 283.445468] ? smp_call_function_single_interrupt+0x650/0x650 [ 283.451366] ? interrupt_entry+0xb5/0xf0 [ 283.455437] ? trace_hardirqs_off_caller+0xbb/0x300 [ 283.460456] ? trace_hardirqs_off_caller+0xbb/0x300 [ 283.465493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.470341] ? trace_hardirqs_off+0x300/0x300 [ 283.474840] ? trace_hardirqs_off+0x300/0x300 [ 283.479343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.484885] ? check_preemption_disabled+0x48/0x200 [ 283.489915] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.494775] apic_timer_interrupt+0xf/0x20 [ 283.499009] [ 283.501254] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 283.506187] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 283.525091] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 283.532803] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 283.540075] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 283.547349] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 283.554620] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 283.561894] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 283.569213] skb_clone+0x1bb/0x500 [ 283.572759] ? skb_split+0x11e0/0x11e0 [ 283.576654] ? preempt_notifier_register+0x200/0x200 [ 283.581764] ? __switch_to_asm+0x34/0x70 [ 283.585827] ? __switch_to_asm+0x34/0x70 [ 283.589893] ? __switch_to_asm+0x40/0x70 [ 283.593961] ? __switch_to_asm+0x34/0x70 [ 283.598030] ? __switch_to_asm+0x40/0x70 [ 283.602104] ? __switch_to_asm+0x40/0x70 [ 283.606167] ? __switch_to_asm+0x34/0x70 [ 283.610236] ? __switch_to_asm+0x34/0x70 [ 283.614309] ? __switch_to_asm+0x40/0x70 [ 283.618371] ? __switch_to_asm+0x34/0x70 [ 283.622444] bpf_clone_redirect+0xb9/0x490 [ 283.626695] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 283.631719] ? __sched_text_start+0x8/0x8 [ 283.635877] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 283.640646] ? find_held_lock+0x36/0x1c0 [ 283.644723] ? lock_acquire+0x1ed/0x520 [ 283.648699] ? bpf_test_run+0x32e/0x5a0 [ 283.652690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.658235] ? check_preemption_disabled+0x48/0x200 [ 283.663262] ? kasan_check_read+0x11/0x20 [ 283.667422] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.672821] ? rcu_bh_qs+0xc0/0xc0 [ 283.676367] ? preempt_schedule+0x4d/0x60 [ 283.680523] ? ___preempt_schedule+0x16/0x18 [ 283.684946] ? bpf_test_run+0x1c0/0x5a0 [ 283.688954] ? netlink_diag_dump+0x2a0/0x2a0 [ 283.693380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.698921] ? bpf_test_init.isra.9+0x70/0x100 [ 283.703538] ? bpf_prog_test_run_skb+0x634/0xb40 [ 283.708310] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 283.713156] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 283.718700] ? fput+0x130/0x1a0 [ 283.722008] ? __bpf_prog_get+0x9b/0x290 [ 283.726081] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 283.730929] ? bpf_prog_test_run+0x130/0x1a0 [ 283.735344] ? __x64_sys_bpf+0x3d8/0x510 [ 283.739411] ? bpf_prog_get+0x20/0x20 [ 283.743224] ? ksys_ioctl+0x81/0xd0 [ 283.746868] ? do_syscall_64+0x1b9/0x820 [ 283.750936] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 283.756313] ? syscall_return_slowpath+0x5e0/0x5e0 [ 283.761249] ? trace_hardirqs_off+0x300/0x300 [ 283.765753] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 283.770775] ? recalc_sigpending_tsk+0x180/0x180 [ 283.775536] ? kasan_check_write+0x14/0x20 [ 283.779808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.784665] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 283.790057] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 283.790129] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.796902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.796925] Workqueue: (null) (events) [ 283.796939] Call Trace: [ 283.796949] [ 283.803504] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.812794] dump_stack+0x1c4/0x2b4 [ 283.817619] syz-executor1 cpuset= [ 283.820202] ? dump_stack_print_info.cold.2+0x52/0x52 [ 283.822334] syz1 [ 283.832827] warn_alloc.cold.118+0xb7/0x1bd [ 283.836431] mems_allowed=0 [ 283.839882] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.859122] ? lock_downgrade+0x900/0x900 [ 283.863286] ? trace_hardirqs_off+0xb8/0x300 [ 283.867709] ? trace_hardirqs_off+0xb8/0x300 [ 283.872134] __alloc_pages_slowpath+0x2667/0x2d80 [ 283.877018] ? warn_alloc+0x120/0x120 [ 283.880835] ? warn_alloc+0x120/0x120 [ 283.884641] ? print_usage_bug+0xc0/0xc0 [ 283.888718] ? warn_alloc+0x120/0x120 [ 283.892528] ? print_usage_bug+0xc0/0xc0 [ 283.896595] ? __lock_acquire+0x7ec/0x4ec0 [ 283.900858] ? __lock_acquire+0x7ec/0x4ec0 [ 283.905105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.910645] ? should_fail+0x22d/0xd01 [ 283.914545] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.919657] ? __lock_acquire+0x7ec/0x4ec0 [ 283.923903] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.929013] ? __lock_acquire+0x7ec/0x4ec0 [ 283.933253] ? should_fail+0x22d/0xd01 [ 283.937154] ? mark_held_locks+0x130/0x130 [ 283.941401] ? mark_held_locks+0x130/0x130 [ 283.945644] ? graph_lock+0x170/0x170 [ 283.949452] ? graph_lock+0x170/0x170 [ 283.953264] ? graph_lock+0x170/0x170 [ 283.957072] ? print_usage_bug+0xc0/0xc0 [ 283.961138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.966681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.972227] ? check_preemption_disabled+0x48/0x200 [ 283.977242] ? check_preemption_disabled+0x48/0x200 [ 283.982279] ? __lock_is_held+0xb5/0x140 [ 283.986357] __alloc_pages_nodemask+0xa80/0xde0 [ 283.991030] ? graph_lock+0x170/0x170 [ 283.994844] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.999864] ? graph_lock+0x170/0x170 [ 284.003683] ? find_held_lock+0x36/0x1c0 [ 284.007760] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.012434] ? lock_downgrade+0x900/0x900 [ 284.016594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.022147] cache_grow_begin+0x91/0x8c0 [ 284.026664] ? do_raw_spin_unlock+0xa7/0x2f0 [ 284.031087] fallback_alloc+0x203/0x2e0 [ 284.035079] ____cache_alloc_node+0x1c7/0x1e0 [ 284.039586] kmem_cache_alloc_node+0xe3/0x730 [ 284.044091] ? ipv6_get_ifaddr+0x42e/0x620 [ 284.048341] __alloc_skb+0x119/0x770 [ 284.052060] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.057344] ? skb_scrub_packet+0x490/0x490 [ 284.061677] ? lock_downgrade+0x900/0x900 [ 284.065836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.071381] ? refcount_sub_and_test_checked+0x203/0x310 [ 284.076843] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 284.082303] ? addrconf_rs_timer+0x6f0/0x6f0 [ 284.086729] ndisc_alloc_skb+0x144/0x340 [ 284.090801] ndisc_send_rs+0x331/0x6e0 [ 284.094704] addrconf_rs_timer+0x3c0/0x6f0 [ 284.098954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.103225] call_timer_fn+0x272/0x920 [ 284.107120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.111362] ? process_timeout+0x40/0x40 [ 284.115425] ? find_held_lock+0x36/0x1c0 [ 284.119512] ? __run_timers+0x7da/0xc70 [ 284.123496] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.128005] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.132525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.137010] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 284.141597] ? trace_hardirqs_on+0xbd/0x310 [ 284.145917] ? kasan_check_read+0x11/0x20 [ 284.150091] ? __run_timers+0x7da/0xc70 [ 284.154067] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.159536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.163778] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.168019] __run_timers+0x7e5/0xc70 [ 284.171837] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 284.177207] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 284.182228] ? graph_lock+0x170/0x170 [ 284.186035] ? enqueue_hrtimer+0x1a5/0x560 [ 284.190534] ? lock_release+0x970/0x970 [ 284.194521] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 284.199723] ? find_held_lock+0x36/0x1c0 [ 284.203795] ? pvclock_read_flags+0x160/0x160 [ 284.208290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.213828] ? check_preemption_disabled+0x48/0x200 [ 284.218868] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 284.224417] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.229702] ? rcu_pm_notify+0xc0/0xc0 [ 284.233595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.239162] ? check_preemption_disabled+0x48/0x200 [ 284.244189] run_timer_softirq+0x52/0xb0 [ 284.248256] ? rcu_read_lock_sched_held+0x108/0x120 [ 284.253281] __do_softirq+0x30b/0xad8 [ 284.257121] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 284.262244] ? pvclock_read_flags+0x160/0x160 [ 284.266745] ? lapic_next_event+0x5a/0x90 [ 284.270895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.276434] ? check_preemption_disabled+0x48/0x200 [ 284.281450] ? check_preemption_disabled+0x48/0x200 [ 284.286475] ? kvm_clock_read+0x18/0x30 [ 284.290468] ? kvm_sched_clock_read+0x9/0x20 [ 284.294881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.300417] ? check_preemption_disabled+0x48/0x200 [ 284.305445] irq_exit+0x17f/0x1c0 [ 284.308902] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.313761] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.319673] ? interrupt_entry+0xb5/0xf0 [ 284.323735] ? trace_hardirqs_off_caller+0xbb/0x300 [ 284.328750] ? trace_hardirqs_off_caller+0xbb/0x300 [ 284.333769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.338622] ? trace_hardirqs_off+0x300/0x300 [ 284.343130] ? trace_hardirqs_off+0x300/0x300 [ 284.347633] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.353175] ? check_preemption_disabled+0x48/0x200 [ 284.358191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.363738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.368594] apic_timer_interrupt+0xf/0x20 [ 284.372818] [ 284.375065] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 284.380174] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 284.399079] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 284.406802] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 284.414083] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 284.421352] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 284.428635] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 284.435914] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 284.443215] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.447714] finish_task_switch+0x1f5/0x900 [ 284.452036] ? finish_task_switch+0x1b5/0x900 [ 284.456531] ? __switch_to_asm+0x34/0x70 [ 284.460598] ? preempt_notifier_register+0x200/0x200 [ 284.465706] ? __switch_to_asm+0x34/0x70 [ 284.469767] ? __switch_to_asm+0x34/0x70 [ 284.473824] ? __switch_to_asm+0x40/0x70 [ 284.477888] ? __switch_to_asm+0x34/0x70 [ 284.481959] ? __switch_to_asm+0x40/0x70 [ 284.486052] ? __switch_to_asm+0x34/0x70 [ 284.490115] ? __switch_to_asm+0x40/0x70 [ 284.494174] ? __switch_to_asm+0x34/0x70 [ 284.498234] ? __switch_to_asm+0x40/0x70 [ 284.502295] ? __switch_to_asm+0x34/0x70 [ 284.506356] ? __switch_to_asm+0x40/0x70 [ 284.510419] ? __switch_to_asm+0x34/0x70 [ 284.514517] ? __switch_to_asm+0x40/0x70 [ 284.518577] ? __switch_to_asm+0x34/0x70 [ 284.522650] ? __switch_to_asm+0x40/0x70 [ 284.526719] __schedule+0x874/0x1ed0 [ 284.530436] ? lockdep_hardirqs_on+0x421/0x5c0 [ 284.535041] ? __sched_text_start+0x8/0x8 [ 284.539196] ? graph_lock+0x170/0x170 [ 284.543010] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.547774] ? lockdep_hardirqs_on+0x421/0x5c0 [ 284.552380] ? retint_kernel+0x2d/0x2d [ 284.556273] ? find_held_lock+0x36/0x1c0 [ 284.560346] schedule+0xfe/0x460 [ 284.563722] ? __schedule+0x1ed0/0x1ed0 [ 284.567702] ? lockdep_hardirqs_on+0x421/0x5c0 [ 284.572287] ? trace_hardirqs_on+0xbd/0x310 [ 284.576605] ? kasan_check_read+0x11/0x20 [ 284.580758] ? worker_thread+0x3ca/0x1390 [ 284.584910] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.590364] ? kasan_check_write+0x14/0x20 [ 284.594598] ? do_raw_spin_lock+0xc1/0x200 [ 284.598863] worker_thread+0x3cf/0x1390 [ 284.602837] ? __switch_to_asm+0x34/0x70 [ 284.606923] ? process_one_work+0x1b90/0x1b90 [ 284.611451] ? graph_lock+0x170/0x170 [ 284.615265] ? __sched_text_start+0x8/0x8 [ 284.619427] ? find_held_lock+0x36/0x1c0 [ 284.623498] ? __kthread_parkme+0xce/0x1a0 [ 284.627742] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 284.632846] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 284.637972] ? lockdep_hardirqs_on+0x421/0x5c0 [ 284.642591] ? trace_hardirqs_on+0xbd/0x310 [ 284.646908] ? kasan_check_read+0x11/0x20 [ 284.651075] ? __kthread_parkme+0xce/0x1a0 [ 284.655329] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.660782] ? kasan_check_write+0x14/0x20 [ 284.665024] ? do_raw_spin_lock+0xc1/0x200 [ 284.669267] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 284.674372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.679910] ? __kthread_parkme+0xfb/0x1a0 [ 284.684154] kthread+0x35a/0x420 [ 284.687527] ? process_one_work+0x1b90/0x1b90 [ 284.692024] ? kthread_bind+0x40/0x40 [ 284.695826] ret_from_fork+0x3a/0x50 [ 284.699596] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 284.699601] warn_alloc_show_mem: 1 callbacks suppressed [ 284.699609] Mem-Info: [ 284.706809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.712204] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 284.712204] active_file:13 inactive_file:18 isolated_file:0 [ 284.712204] unevictable:0 dirty:0 writeback:0 unstable:0 [ 284.712204] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 284.712204] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 284.712204] free:13747 free_pcp:307 free_cma:0 [ 284.714592] Call Trace: [ 284.723996] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 284.756860] [ 284.759431] Node 0 [ 284.787109] dump_stack+0x1c4/0x2b4 [ 284.789261] 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 [ 284.791466] ? dump_stack_print_info.cold.2+0x52/0x52 [ 284.795060] lowmem_reserve[]: 0 [ 284.820590] warn_alloc.cold.118+0xb7/0x1bd [ 284.825757] 2815 [ 284.829078] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.833375] 6318 [ 284.835440] ? lock_downgrade+0x900/0x900 [ 284.840256] 6318 [ 284.842422] ? trace_hardirqs_off+0xb8/0x300 [ 284.848606] ? trace_hardirqs_off+0xb8/0x300 [ 284.852989] Node 0 DMA32 free:25280kB 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 [ 284.857422] __alloc_pages_slowpath+0x2667/0x2d80 [ 284.857466] ? warn_alloc+0x120/0x120 [ 284.885003] lowmem_reserve[]: 0 [ 284.889872] ? warn_alloc+0x120/0x120 [ 284.893640] 0 3503 [ 284.896931] ? print_usage_bug+0xc0/0xc0 [ 284.900706] 3503 [ 284.902954] ? warn_alloc+0x120/0x120 [ 284.909066] ? print_usage_bug+0xc0/0xc0 [ 284.912842] Node 0 Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 284.916928] ? __lock_acquire+0x7ec/0x4ec0 [ 284.916944] ? __lock_acquire+0x7ec/0x4ec0 [ 284.945897] lowmem_reserve[]: 0 [ 284.950154] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.954357] 0 [ 284.957633] ? should_fail+0x22d/0xd01 [ 284.963146] 0 [ 284.964960] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.968816] 0 [ 284.970624] ? __lock_acquire+0x7ec/0x4ec0 [ 284.975725] Node 0 [ 284.977529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.981737] DMA: [ 284.983975] ? __lock_acquire+0x7ec/0x4ec0 [ 284.989052] 1*4kB [ 284.991111] ? should_fail+0x22d/0xd01 [ 284.995319] (U) [ 284.997472] ? mark_held_locks+0x130/0x130 [ 285.001330] 0*8kB [ 285.003305] ? mark_held_locks+0x130/0x130 [ 285.007516] 0*16kB [ 285.009663] ? graph_lock+0x170/0x170 [ 285.013887] 1*32kB [ 285.016120] ? graph_lock+0x170/0x170 [ 285.019901] (U) [ 285.022133] ? graph_lock+0x170/0x170 [ 285.025913] 2*64kB [ 285.027881] ? print_usage_bug+0xc0/0xc0 [ 285.031651] (U) 1*128kB [ 285.033910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.037949] (U) [ 285.040628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.046146] 1*256kB [ 285.048120] ? check_preemption_disabled+0x48/0x200 [ 285.053633] (U) 0*512kB [ 285.055967] ? check_preemption_disabled+0x48/0x200 [ 285.060975] 1*1024kB (U) [ 285.063677] ? __lock_is_held+0xb5/0x140 [ 285.068658] 1*2048kB [ 285.071419] __alloc_pages_nodemask+0xa80/0xde0 [ 285.075454] (M) [ 285.077867] ? graph_lock+0x170/0x170 [ 285.082508] 3*4096kB (M) [ 285.084502] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 285.088269] = 15908kB [ 285.088278] Node 0 [ 285.091037] ? graph_lock+0x170/0x170 [ 285.096027] DMA32: 4*4kB [ 285.098458] ? find_held_lock+0x36/0x1c0 [ 285.100667] (UM) [ 285.104478] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.107202] 2*8kB (M) [ 285.111276] ? lock_downgrade+0x900/0x900 [ 285.113310] 2*16kB (UM) [ 285.117997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.120465] 2*32kB (UM) [ 285.124627] cache_grow_begin+0x91/0x8c0 [ 285.127279] 3*64kB [ 285.132813] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.135463] (UM) [ 285.139532] fallback_alloc+0x203/0x2e0 [ 285.141746] 3*128kB [ 285.146158] ____cache_alloc_node+0x1c7/0x1e0 [ 285.148195] (M) [ 285.152173] kmem_cache_alloc_node+0xe3/0x730 [ 285.154476] 2*256kB [ 285.158983] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.160934] (M) [ 285.165436] __alloc_skb+0x119/0x770 [ 285.167737] 3*512kB [ 285.171984] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.173931] (M) [ 285.177648] ? skb_scrub_packet+0x490/0x490 [ 285.179944] 4*1024kB (UM) [ 285.185240] ? lock_downgrade+0x900/0x900 [ 285.187190] 3*2048kB (UM) [ 285.191522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.194335] 3*4096kB (M) [ 285.198499] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.201319] = 25280kB [ 285.206857] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.209596] Node 0 [ 285.215045] ? addrconf_rs_timer+0x6f0/0x6f0 [ 285.217427] Normal: 876*4kB [ 285.222895] ndisc_alloc_skb+0x144/0x340 [ 285.225104] (UME) [ 285.229527] ndisc_send_rs+0x331/0x6e0 [ 285.232526] 393*8kB [ 285.236589] addrconf_rs_timer+0x3c0/0x6f0 [ 285.238714] (UMEH) [ 285.242599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.244905] 183*16kB [ 285.249157] call_timer_fn+0x272/0x920 [ 285.251364] (UMEH) [ 285.255596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.257991] 70*32kB [ 285.261877] ? process_timeout+0x40/0x40 [ 285.264098] (UMEH) [ 285.268334] ? find_held_lock+0x36/0x1c0 [ 285.270634] 13*64kB (UMH) [ 285.274712] ? __run_timers+0x7da/0xc70 [ 285.276920] 3*128kB (UH) [ 285.281003] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.283830] 3*256kB [ 285.287805] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.290540] (H) [ 285.295049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.295069] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 285.297373] 0*512kB 0*1024kB [ 285.301876] ? trace_hardirqs_on+0xbd/0x310 [ 285.303823] 0*2048kB 0*4096kB [ 285.308066] ? kasan_check_read+0x11/0x20 [ 285.312630] = 13800kB [ 285.315734] ? __run_timers+0x7da/0xc70 [ 285.320038] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 285.323223] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.327356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 285.329764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.333717] 410 total pagecache pages [ 285.342553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.347993] 0 pages in swap cache [ 285.356566] __run_timers+0x7e5/0xc70 [ 285.360777] Swap cache stats: add 0, delete 0, find 0/0 [ 285.360787] Free swap = 0kB [ 285.364599] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 285.368796] Total swap = 0kB [ 285.368805] 1965979 pages RAM [ 285.372261] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 285.376030] 0 pages HighMem/MovableOnly [ 285.376040] 343323 pages reserved [ 285.381405] ? graph_lock+0x170/0x170 [ 285.384401] 0 pages cma reserved [ 285.389760] ? enqueue_hrtimer+0x1a5/0x560 [ 285.392827] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.395866] ? lock_release+0x970/0x970 [ 285.395883] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 285.400969] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.404856] ? find_held_lock+0x36/0x1c0 [ 285.408292] kworker/0:1 cpuset= [ 285.412092] ? graph_lock+0x170/0x170 [ 285.415436] / [ 285.419670] ? pvclock_read_flags+0x160/0x160 [ 285.426142] mems_allowed=0 [ 285.430116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.471317] ? check_preemption_disabled+0x48/0x200 [ 285.476351] ? __lock_is_held+0xb5/0x140 [ 285.480420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.485962] ? check_preemption_disabled+0x48/0x200 [ 285.491011] run_timer_softirq+0x52/0xb0 [ 285.495078] ? rcu_read_lock_sched_held+0x108/0x120 [ 285.500100] __do_softirq+0x30b/0xad8 [ 285.503922] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 285.509035] ? pvclock_read_flags+0x160/0x160 [ 285.513536] ? lapic_next_event+0x5a/0x90 [ 285.517690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.523231] ? check_preemption_disabled+0x48/0x200 [ 285.528248] ? check_preemption_disabled+0x48/0x200 [ 285.533278] ? kvm_clock_read+0x18/0x30 [ 285.537259] ? kvm_sched_clock_read+0x9/0x20 [ 285.541679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.547223] ? check_preemption_disabled+0x48/0x200 [ 285.552260] irq_exit+0x17f/0x1c0 [ 285.555722] smp_apic_timer_interrupt+0x1cb/0x760 [ 285.560572] ? smp_reschedule_interrupt+0x109/0x650 [ 285.565596] ? smp_call_function_single_interrupt+0x650/0x650 [ 285.571492] ? interrupt_entry+0xb5/0xf0 [ 285.575563] ? trace_hardirqs_off_caller+0xbb/0x300 [ 285.580588] ? trace_hardirqs_off_caller+0xbb/0x300 [ 285.585614] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.590465] ? trace_hardirqs_off+0x300/0x300 [ 285.594978] ? trace_hardirqs_off+0x300/0x300 [ 285.599494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.605037] ? check_preemption_disabled+0x48/0x200 [ 285.610084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.614958] apic_timer_interrupt+0xf/0x20 [ 285.619203] [ 285.621450] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 285.626392] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 285.645311] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 285.653035] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 285.660310] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 285.667590] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 285.674866] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 285.682143] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 285.689464] skb_clone+0x1bb/0x500 [ 285.693019] ? skb_split+0x11e0/0x11e0 [ 285.696914] ? preempt_notifier_register+0x200/0x200 [ 285.702022] ? __switch_to_asm+0x34/0x70 [ 285.706087] ? __switch_to_asm+0x34/0x70 [ 285.710149] ? __switch_to_asm+0x40/0x70 [ 285.714212] ? __switch_to_asm+0x34/0x70 [ 285.718278] ? __switch_to_asm+0x40/0x70 [ 285.722343] ? __switch_to_asm+0x40/0x70 [ 285.726405] ? __switch_to_asm+0x34/0x70 [ 285.730470] ? __switch_to_asm+0x34/0x70 [ 285.734544] ? __switch_to_asm+0x40/0x70 [ 285.738609] ? __switch_to_asm+0x34/0x70 [ 285.742682] bpf_clone_redirect+0xb9/0x490 [ 285.746935] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 285.751978] ? __sched_text_start+0x8/0x8 [ 285.756138] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 285.760914] ? find_held_lock+0x36/0x1c0 [ 285.765002] ? lock_acquire+0x1ed/0x520 [ 285.768994] ? bpf_test_run+0x32e/0x5a0 [ 285.772986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.778532] ? check_preemption_disabled+0x48/0x200 [ 285.783556] ? kasan_check_read+0x11/0x20 [ 285.787715] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.793009] ? rcu_bh_qs+0xc0/0xc0 [ 285.796559] ? preempt_schedule+0x4d/0x60 [ 285.800712] ? ___preempt_schedule+0x16/0x18 [ 285.805142] ? bpf_test_run+0x1c0/0x5a0 [ 285.809134] ? netlink_diag_dump+0x2a0/0x2a0 [ 285.813553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.819103] ? bpf_test_init.isra.9+0x70/0x100 [ 285.823697] ? bpf_prog_test_run_skb+0x634/0xb40 [ 285.828471] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 285.833331] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 285.838871] ? fput+0x130/0x1a0 [ 285.842154] ? __bpf_prog_get+0x9b/0x290 [ 285.846230] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 285.851077] ? bpf_prog_test_run+0x130/0x1a0 [ 285.855497] ? __x64_sys_bpf+0x3d8/0x510 [ 285.859562] ? bpf_prog_get+0x20/0x20 [ 285.863383] ? ksys_ioctl+0x81/0xd0 [ 285.867053] ? do_syscall_64+0x1b9/0x820 [ 285.871116] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 285.876503] ? syscall_return_slowpath+0x5e0/0x5e0 [ 285.881448] ? trace_hardirqs_off+0x300/0x300 [ 285.885950] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 285.890985] ? recalc_sigpending_tsk+0x180/0x180 [ 285.895747] ? kasan_check_write+0x14/0x20 [ 285.900004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.904889] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 285.910278] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 285.910348] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.917125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.917148] Workqueue: (null) (events) [ 285.917160] Call Trace: [ 285.917167] [ 285.917185] dump_stack+0x1c4/0x2b4 [ 285.917203] ? dump_stack_print_info.cold.2+0x52/0x52 [ 285.923741] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.933048] warn_alloc.cold.118+0xb7/0x1bd [ 285.937861] syz-executor1 cpuset= [ 285.940443] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 285.942580] syz1 [ 285.946208] ? lock_downgrade+0x900/0x900 [ 285.951385] mems_allowed=0 [ 285.961874] ? trace_hardirqs_off+0xb8/0x300 [ 285.987904] ? trace_hardirqs_off+0xb8/0x300 [ 285.992327] __alloc_pages_slowpath+0x2667/0x2d80 [ 285.997207] ? warn_alloc+0x120/0x120 [ 286.001017] ? trace_hardirqs_on+0x310/0x310 [ 286.005431] ? warn_alloc+0x120/0x120 [ 286.009236] ? print_usage_bug+0xc0/0xc0 [ 286.013300] ? warn_alloc+0x120/0x120 [ 286.017108] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 286.022136] ? print_usage_bug+0xc0/0xc0 [ 286.026676] ? __lock_acquire+0x7ec/0x4ec0 [ 286.030912] ? __lock_acquire+0x7ec/0x4ec0 [ 286.035270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.040811] ? should_fail+0x22d/0xd01 [ 286.044710] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.049843] ? __lock_acquire+0x7ec/0x4ec0 [ 286.054095] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.059210] ? __lock_acquire+0x7ec/0x4ec0 [ 286.063449] ? should_fail+0x22d/0xd01 [ 286.067336] ? print_usage_bug+0xc0/0xc0 [ 286.071421] ? mark_held_locks+0x130/0x130 [ 286.075661] ? mark_held_locks+0x130/0x130 [ 286.079904] ? graph_lock+0x170/0x170 [ 286.083706] ? print_usage_bug+0xc0/0xc0 [ 286.087784] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.092544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.098082] ? check_preemption_disabled+0x48/0x200 [ 286.103100] ? check_preemption_disabled+0x48/0x200 [ 286.108131] ? __lock_is_held+0xb5/0x140 [ 286.112204] __alloc_pages_nodemask+0xa80/0xde0 [ 286.116879] ? graph_lock+0x170/0x170 [ 286.120689] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 286.125704] ? graph_lock+0x170/0x170 [ 286.129521] ? find_held_lock+0x36/0x1c0 [ 286.133766] ? ____cache_alloc_node+0x1c7/0x1e0 [ 286.138443] ? lock_downgrade+0x900/0x900 [ 286.142606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.148153] cache_grow_begin+0x91/0x8c0 [ 286.152216] ? do_raw_spin_unlock+0xa7/0x2f0 [ 286.156639] fallback_alloc+0x203/0x2e0 [ 286.160622] ____cache_alloc_node+0x1c7/0x1e0 [ 286.165128] kmem_cache_alloc_node+0xe3/0x730 [ 286.169629] ? ipv6_get_ifaddr+0x42e/0x620 [ 286.173889] __alloc_skb+0x119/0x770 [ 286.177617] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.182912] ? skb_scrub_packet+0x490/0x490 [ 286.187235] ? lock_downgrade+0x900/0x900 [ 286.191394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.196938] ? refcount_sub_and_test_checked+0x203/0x310 [ 286.202393] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 286.207849] ? addrconf_rs_timer+0x6f0/0x6f0 [ 286.212272] ndisc_alloc_skb+0x144/0x340 [ 286.216342] ndisc_send_rs+0x331/0x6e0 [ 286.220241] addrconf_rs_timer+0x3c0/0x6f0 [ 286.224484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.228740] call_timer_fn+0x272/0x920 [ 286.232631] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.236873] ? process_timeout+0x40/0x40 [ 286.240936] ? find_held_lock+0x36/0x1c0 [ 286.245366] ? __run_timers+0x7da/0xc70 [ 286.249348] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.253843] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.258352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.262590] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 286.267174] ? trace_hardirqs_on+0xbd/0x310 [ 286.271495] ? kasan_check_read+0x11/0x20 [ 286.275647] ? __run_timers+0x7da/0xc70 [ 286.279623] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.285090] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.289335] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.293585] __run_timers+0x7e5/0xc70 [ 286.297399] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 286.302769] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 286.307787] ? graph_lock+0x170/0x170 [ 286.311601] ? enqueue_hrtimer+0x1a5/0x560 [ 286.315834] ? lock_release+0x970/0x970 [ 286.319865] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 286.325068] ? find_held_lock+0x36/0x1c0 [ 286.329146] ? pvclock_read_flags+0x160/0x160 [ 286.333644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.339181] ? check_preemption_disabled+0x48/0x200 [ 286.344210] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 286.349746] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.355025] ? rcu_pm_notify+0xc0/0xc0 [ 286.358915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.364457] ? check_preemption_disabled+0x48/0x200 [ 286.369483] run_timer_softirq+0x52/0xb0 [ 286.373546] ? rcu_read_lock_sched_held+0x108/0x120 [ 286.378569] __do_softirq+0x30b/0xad8 [ 286.382388] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 286.387509] ? pvclock_read_flags+0x160/0x160 [ 286.392008] ? lapic_next_event+0x5a/0x90 [ 286.396159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.401695] ? check_preemption_disabled+0x48/0x200 [ 286.406720] ? check_preemption_disabled+0x48/0x200 [ 286.411740] ? kvm_clock_read+0x18/0x30 [ 286.415751] ? kvm_sched_clock_read+0x9/0x20 [ 286.420163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.425714] ? check_preemption_disabled+0x48/0x200 [ 286.430760] irq_exit+0x17f/0x1c0 [ 286.434219] smp_apic_timer_interrupt+0x1cb/0x760 [ 286.439070] ? smp_call_function_single_interrupt+0x650/0x650 [ 286.444972] ? interrupt_entry+0xb5/0xf0 [ 286.449046] ? trace_hardirqs_off_caller+0xbb/0x300 [ 286.454061] ? trace_hardirqs_off_caller+0xbb/0x300 [ 286.459090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.463931] ? trace_hardirqs_off+0x300/0x300 [ 286.468428] ? trace_hardirqs_off+0x300/0x300 [ 286.472928] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.478467] ? check_preemption_disabled+0x48/0x200 [ 286.483492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.489078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.493930] apic_timer_interrupt+0xf/0x20 [ 286.498158] [ 286.500401] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 286.505521] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 286.524421] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 286.532145] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 286.539410] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 286.546676] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 286.553955] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 286.561227] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 286.568532] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.573034] finish_task_switch+0x1f5/0x900 [ 286.577357] ? finish_task_switch+0x1b5/0x900 [ 286.581852] ? __switch_to_asm+0x34/0x70 [ 286.585931] ? preempt_notifier_register+0x200/0x200 [ 286.591046] ? __switch_to_asm+0x34/0x70 [ 286.595112] ? __switch_to_asm+0x34/0x70 [ 286.599174] ? __switch_to_asm+0x40/0x70 [ 286.603238] ? __switch_to_asm+0x34/0x70 [ 286.607298] ? __switch_to_asm+0x40/0x70 [ 286.611356] ? __switch_to_asm+0x34/0x70 [ 286.615417] ? __switch_to_asm+0x40/0x70 [ 286.619476] ? __switch_to_asm+0x34/0x70 [ 286.623536] ? __switch_to_asm+0x40/0x70 [ 286.627606] ? __switch_to_asm+0x34/0x70 [ 286.631665] ? __switch_to_asm+0x40/0x70 [ 286.635722] ? __switch_to_asm+0x34/0x70 [ 286.639781] ? __switch_to_asm+0x40/0x70 [ 286.643845] ? __switch_to_asm+0x34/0x70 [ 286.647910] ? __switch_to_asm+0x40/0x70 [ 286.651990] __schedule+0x874/0x1ed0 [ 286.655714] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.660310] ? __sched_text_start+0x8/0x8 [ 286.664471] ? graph_lock+0x170/0x170 [ 286.668282] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.673061] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.677658] ? retint_kernel+0x2d/0x2d [ 286.681564] ? find_held_lock+0x36/0x1c0 [ 286.685652] schedule+0xfe/0x460 [ 286.689039] ? __schedule+0x1ed0/0x1ed0 [ 286.693027] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.697621] ? trace_hardirqs_on+0xbd/0x310 [ 286.701950] ? kasan_check_read+0x11/0x20 [ 286.706113] ? worker_thread+0x3ca/0x1390 [ 286.710266] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.715730] ? kasan_check_write+0x14/0x20 [ 286.719971] ? do_raw_spin_lock+0xc1/0x200 [ 286.724226] worker_thread+0x3cf/0x1390 [ 286.728216] ? __switch_to_asm+0x34/0x70 [ 286.732300] ? process_one_work+0x1b90/0x1b90 [ 286.736806] ? graph_lock+0x170/0x170 [ 286.740634] ? __sched_text_start+0x8/0x8 [ 286.744804] ? find_held_lock+0x36/0x1c0 [ 286.748878] ? __kthread_parkme+0xce/0x1a0 [ 286.753121] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 286.758231] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 286.763346] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.767936] ? trace_hardirqs_on+0xbd/0x310 [ 286.772264] ? kasan_check_read+0x11/0x20 [ 286.776420] ? __kthread_parkme+0xce/0x1a0 [ 286.780660] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.786119] ? kasan_check_write+0x14/0x20 [ 286.790364] ? do_raw_spin_lock+0xc1/0x200 [ 286.794614] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 286.799735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.805282] ? __kthread_parkme+0xfb/0x1a0 [ 286.809554] kthread+0x35a/0x420 [ 286.812925] ? process_one_work+0x1b90/0x1b90 [ 286.817444] ? kthread_bind+0x40/0x40 [ 286.821248] ret_from_fork+0x3a/0x50 [ 286.825000] warn_alloc_show_mem: 1 callbacks suppressed [ 286.825013] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 286.825015] Mem-Info: [ 286.825051] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 286.825051] active_file:13 inactive_file:18 isolated_file:0 [ 286.825051] unevictable:0 dirty:0 writeback:0 unstable:0 [ 286.825051] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 286.825051] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 286.825051] free:13747 free_pcp:307 free_cma:0 [ 286.830412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.830421] Call Trace: [ 286.837645] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 286.840049] [ 286.872917] Node 0 [ 286.882279] dump_stack+0x1c4/0x2b4 [ 286.884862] 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 [ 286.912518] ? dump_stack_print_info.cold.2+0x52/0x52 [ 286.914642] lowmem_reserve[]: [ 286.916884] warn_alloc.cold.118+0xb7/0x1bd [ 286.920480] 0 [ 286.946004] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.951175] 2815 [ 286.954281] ? lock_downgrade+0x900/0x900 [ 286.958570] 6318 6318 [ 286.960380] ? trace_hardirqs_off+0xb8/0x300 [ 286.965197] Node 0 [ 286.967261] ? trace_hardirqs_off+0xb8/0x300 [ 286.971412] DMA32 free:25280kB 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 [ 286.973892] __alloc_pages_slowpath+0x2667/0x2d80 [ 286.978267] lowmem_reserve[]: 0 [ 286.980553] ? warn_alloc+0x120/0x120 [ 286.984915] 0 [ 287.011901] ? warn_alloc+0x120/0x120 [ 287.016718] 3503 [ 287.020007] ? print_usage_bug+0xc0/0xc0 [ 287.023786] 3503 [ 287.025584] ? warn_alloc+0x120/0x120 [ 287.031423] ? print_usage_bug+0xc0/0xc0 [ 287.035458] Node 0 [ 287.037525] ? __lock_acquire+0x7ec/0x4ec0 [ 287.041331] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 287.045365] ? __lock_acquire+0x7ec/0x4ec0 [ 287.047584] lowmem_reserve[]: [ 287.051823] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.080177] 0 [ 287.084419] ? should_fail+0x22d/0xd01 [ 287.087509] 0 0 [ 287.093055] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.094827] 0 [ 287.098719] ? __lock_acquire+0x7ec/0x4ec0 [ 287.100671] Node 0 [ 287.105780] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.107559] DMA: [ 287.111796] ? __lock_acquire+0x7ec/0x4ec0 [ 287.114015] 1*4kB [ 287.119117] ? should_fail+0x22d/0xd01 [ 287.121155] (U) [ 287.125392] ? mark_held_locks+0x130/0x130 [ 287.127518] 0*8kB 0*16kB [ 287.131412] ? mark_held_locks+0x130/0x130 [ 287.133372] 1*32kB [ 287.137601] ? graph_lock+0x170/0x170 [ 287.140337] (U) [ 287.144578] ? graph_lock+0x170/0x170 [ 287.146818] 2*64kB [ 287.150630] ? graph_lock+0x170/0x170 [ 287.152609] (U) [ 287.156426] ? print_usage_bug+0xc0/0xc0 [ 287.158654] 1*128kB (U) [ 287.162493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.164455] 1*256kB [ 287.168512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.171165] (U) [ 287.176696] ? check_preemption_disabled+0x48/0x200 [ 287.179015] 0*512kB [ 287.184562] ? check_preemption_disabled+0x48/0x200 [ 287.186519] 1*1024kB [ 287.191534] ? __lock_is_held+0xb5/0x140 [ 287.193844] (U) [ 287.198855] __alloc_pages_nodemask+0xa80/0xde0 [ 287.201241] 1*2048kB [ 287.205295] ? graph_lock+0x170/0x170 [ 287.207252] (M) [ 287.211917] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 287.214309] 3*4096kB [ 287.218104] ? graph_lock+0x170/0x170 [ 287.220069] (M) [ 287.225099] ? find_held_lock+0x36/0x1c0 [ 287.227485] = 15908kB [ 287.227492] Node 0 [ 287.231296] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.233411] DMA32: 4*4kB [ 287.237474] ? lock_downgrade+0x900/0x900 [ 287.239890] (UM) [ 287.242125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.246770] 2*8kB [ 287.249523] cache_grow_begin+0x91/0x8c0 [ 287.253645] (M) [ 287.255708] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.261234] 2*16kB [ 287.263384] fallback_alloc+0x203/0x2e0 [ 287.267420] (UM) [ 287.269411] ____cache_alloc_node+0x1c7/0x1e0 [ 287.273792] 2*32kB (UM) [ 287.276036] kmem_cache_alloc_node+0xe3/0x730 [ 287.279977] 3*64kB (UM) [ 287.282054] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.286523] 3*128kB (M) [ 287.289210] __alloc_skb+0x119/0x770 [ 287.293683] 2*256kB [ 287.296356] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.300561] (M) [ 287.303242] ? skb_scrub_packet+0x490/0x490 [ 287.306930] 3*512kB [ 287.309263] ? lock_downgrade+0x900/0x900 [ 287.314514] (M) [ 287.316495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.320782] 4*1024kB [ 287.323102] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.327219] (UM) 3*2048kB [ 287.329204] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.334721] (UM) [ 287.337128] ? addrconf_rs_timer+0x6f0/0x6f0 [ 287.342565] 3*4096kB [ 287.345413] ndisc_alloc_skb+0x144/0x340 [ 287.350833] (M) [ 287.352895] ndisc_send_rs+0x331/0x6e0 [ 287.357281] = 25280kB [ 287.359686] addrconf_rs_timer+0x3c0/0x6f0 [ 287.363731] Node 0 [ 287.365729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.369585] Normal: 876*4kB [ 287.372026] call_timer_fn+0x272/0x920 [ 287.376231] (UME) [ 287.378464] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.382678] 393*8kB [ 287.385695] ? process_timeout+0x40/0x40 [ 287.389557] (UMEH) [ 287.391715] ? find_held_lock+0x36/0x1c0 [ 287.395930] 183*16kB [ 287.398267] ? __run_timers+0x7da/0xc70 [ 287.402306] (UMEH) [ 287.404542] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.408583] 70*32kB [ 287.411002] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.414954] (UMEH) [ 287.417196] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.421671] 13*64kB [ 287.424010] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 287.428481] (UMH) [ 287.430719] ? trace_hardirqs_on+0xbd/0x310 [ 287.434943] 3*128kB [ 287.437263] ? kasan_check_read+0x11/0x20 [ 287.441828] (UH) [ 287.443980] ? __run_timers+0x7da/0xc70 [ 287.448276] 3*256kB [ 287.450592] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.454739] (H) [ 287.456827] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.460789] 0*512kB [ 287.463120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.468554] 0*1024kB [ 287.470526] __run_timers+0x7e5/0xc70 [ 287.474739] 0*2048kB [ 287.477067] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.481269] 0*4096kB [ 287.483685] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.487462] = 13800kB [ 287.489883] ? graph_lock+0x170/0x170 [ 287.495231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 287.497631] ? enqueue_hrtimer+0x1a5/0x560 [ 287.502628] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 287.502638] 410 total pagecache pages [ 287.505047] ? lock_release+0x970/0x970 [ 287.508834] 0 pages in swap cache [ 287.517657] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.521872] Swap cache stats: add 0, delete 0, find 0/0 [ 287.530449] ? find_held_lock+0x36/0x1c0 [ 287.534225] Free swap = 0kB [ 287.534234] Total swap = 0kB [ 287.538205] ? graph_lock+0x170/0x170 [ 287.541631] 1965979 pages RAM [ 287.546822] ? pvclock_read_flags+0x160/0x160 [ 287.552163] 0 pages HighMem/MovableOnly [ 287.556228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.559225] 343323 pages reserved [ 287.562238] ? check_preemption_disabled+0x48/0x200 [ 287.566021] 0 pages cma reserved [ 287.566099] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.569143] ? __lock_is_held+0xb5/0x140 [ 287.569165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.573696] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.577607] ? check_preemption_disabled+0x48/0x200 [ 287.583126] kworker/0:1 cpuset= [ 287.586580] run_timer_softirq+0x52/0xb0 [ 287.591567] / [ 287.594931] ? rcu_read_lock_sched_held+0x108/0x120 [ 287.601405] mems_allowed=0 [ 287.605476] __do_softirq+0x30b/0xad8 [ 287.647035] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 287.652155] ? pvclock_read_flags+0x160/0x160 [ 287.656656] ? lapic_next_event+0x5a/0x90 [ 287.660815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.666352] ? check_preemption_disabled+0x48/0x200 [ 287.671396] ? check_preemption_disabled+0x48/0x200 [ 287.676425] ? kvm_clock_read+0x18/0x30 [ 287.680401] ? kvm_sched_clock_read+0x9/0x20 [ 287.684838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.690376] ? check_preemption_disabled+0x48/0x200 [ 287.695407] irq_exit+0x17f/0x1c0 [ 287.698872] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.703729] ? smp_reschedule_interrupt+0x109/0x650 [ 287.708748] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.714637] ? interrupt_entry+0xb5/0xf0 [ 287.718702] ? trace_hardirqs_off_caller+0xbb/0x300 [ 287.723722] ? trace_hardirqs_off_caller+0xbb/0x300 [ 287.728743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.733609] ? trace_hardirqs_off+0x300/0x300 [ 287.738108] ? trace_hardirqs_off+0x300/0x300 [ 287.742606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.748144] ? check_preemption_disabled+0x48/0x200 [ 287.753175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.758046] apic_timer_interrupt+0xf/0x20 [ 287.762279] [ 287.764528] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 287.769461] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 287.788373] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 287.796104] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 287.803385] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 287.810671] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 287.817939] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 287.825232] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 287.832572] skb_clone+0x1bb/0x500 [ 287.836117] ? skb_split+0x11e0/0x11e0 [ 287.840013] ? preempt_notifier_register+0x200/0x200 [ 287.845121] ? __switch_to_asm+0x34/0x70 [ 287.849183] ? __switch_to_asm+0x34/0x70 [ 287.853248] ? __switch_to_asm+0x40/0x70 [ 287.857308] ? __switch_to_asm+0x34/0x70 [ 287.861367] ? __switch_to_asm+0x40/0x70 [ 287.865433] ? __switch_to_asm+0x40/0x70 [ 287.869502] ? __switch_to_asm+0x34/0x70 [ 287.873581] ? __switch_to_asm+0x34/0x70 [ 287.877646] ? __switch_to_asm+0x40/0x70 [ 287.881718] ? __switch_to_asm+0x34/0x70 [ 287.885786] bpf_clone_redirect+0xb9/0x490 [ 287.890033] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 287.895056] ? __sched_text_start+0x8/0x8 [ 287.899217] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 287.904017] ? find_held_lock+0x36/0x1c0 [ 287.908092] ? lock_acquire+0x1ed/0x520 [ 287.912067] ? bpf_test_run+0x32e/0x5a0 [ 287.916095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.921651] ? check_preemption_disabled+0x48/0x200 [ 287.926673] ? kasan_check_read+0x11/0x20 [ 287.930825] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.936109] ? rcu_bh_qs+0xc0/0xc0 [ 287.939659] ? preempt_schedule+0x4d/0x60 [ 287.943814] ? ___preempt_schedule+0x16/0x18 [ 287.948234] ? bpf_test_run+0x1c0/0x5a0 [ 287.952227] ? netlink_diag_dump+0x2a0/0x2a0 [ 287.956641] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.962189] ? bpf_test_init.isra.9+0x70/0x100 [ 287.966778] ? bpf_prog_test_run_skb+0x634/0xb40 [ 287.971543] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.976394] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 287.981982] ? fput+0x130/0x1a0 [ 287.985267] ? __bpf_prog_get+0x9b/0x290 [ 287.989339] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.994184] ? bpf_prog_test_run+0x130/0x1a0 [ 287.998602] ? __x64_sys_bpf+0x3d8/0x510 [ 288.002665] ? bpf_prog_get+0x20/0x20 [ 288.006491] ? ksys_ioctl+0x81/0xd0 [ 288.010129] ? do_syscall_64+0x1b9/0x820 [ 288.014206] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 288.019576] ? syscall_return_slowpath+0x5e0/0x5e0 [ 288.024514] ? trace_hardirqs_off+0x300/0x300 [ 288.029233] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 288.034255] ? recalc_sigpending_tsk+0x180/0x180 [ 288.039013] ? kasan_check_write+0x14/0x20 [ 288.043260] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.048118] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 288.053507] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 288.053584] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 288.060350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.060373] Workqueue: (null) (events) [ 288.060393] Call Trace: [ 288.067399] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 288.076231] [ 288.081064] syz-executor1 cpuset= [ 288.083646] dump_stack+0x1c4/0x2b4 [ 288.094106] syz1 [ 288.096256] ? dump_stack_print_info.cold.2+0x52/0x52 [ 288.099688] mems_allowed=0 [ 288.103314] warn_alloc.cold.118+0xb7/0x1bd [ 288.117689] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.122538] ? lock_downgrade+0x900/0x900 [ 288.126698] ? trace_hardirqs_off+0xb8/0x300 [ 288.131144] ? trace_hardirqs_off+0xb8/0x300 [ 288.135789] __alloc_pages_slowpath+0x2667/0x2d80 [ 288.140679] ? warn_alloc+0x120/0x120 [ 288.144533] ? warn_alloc+0x120/0x120 [ 288.148336] ? print_usage_bug+0xc0/0xc0 [ 288.152401] ? warn_alloc+0x120/0x120 [ 288.156221] ? print_usage_bug+0xc0/0xc0 [ 288.160285] ? __lock_acquire+0x7ec/0x4ec0 [ 288.164521] ? __lock_acquire+0x7ec/0x4ec0 [ 288.168761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.174300] ? should_fail+0x22d/0xd01 [ 288.178193] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.183298] ? __lock_acquire+0x7ec/0x4ec0 [ 288.187541] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.192646] ? __lock_acquire+0x7ec/0x4ec0 [ 288.196879] ? should_fail+0x22d/0xd01 [ 288.200778] ? mark_held_locks+0x130/0x130 [ 288.205024] ? mark_held_locks+0x130/0x130 [ 288.209261] ? graph_lock+0x170/0x170 [ 288.213067] ? graph_lock+0x170/0x170 [ 288.216872] ? graph_lock+0x170/0x170 [ 288.220690] ? print_usage_bug+0xc0/0xc0 [ 288.224753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.230304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.235870] ? check_preemption_disabled+0x48/0x200 [ 288.240888] ? check_preemption_disabled+0x48/0x200 [ 288.245916] ? __lock_is_held+0xb5/0x140 [ 288.250015] __alloc_pages_nodemask+0xa80/0xde0 [ 288.254697] ? graph_lock+0x170/0x170 [ 288.258504] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 288.263519] ? graph_lock+0x170/0x170 [ 288.267337] ? find_held_lock+0x36/0x1c0 [ 288.271410] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.276078] ? lock_downgrade+0x900/0x900 [ 288.280246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.285792] cache_grow_begin+0x91/0x8c0 [ 288.289854] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.294277] fallback_alloc+0x203/0x2e0 [ 288.298260] ____cache_alloc_node+0x1c7/0x1e0 [ 288.302801] kmem_cache_alloc_node+0xe3/0x730 [ 288.307299] ? ipv6_get_ifaddr+0x42e/0x620 [ 288.311550] __alloc_skb+0x119/0x770 [ 288.315270] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.320558] ? skb_scrub_packet+0x490/0x490 [ 288.324880] ? lock_downgrade+0x900/0x900 [ 288.329042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.334584] ? refcount_sub_and_test_checked+0x203/0x310 [ 288.340038] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 288.345519] ? addrconf_rs_timer+0x6f0/0x6f0 [ 288.349941] ndisc_alloc_skb+0x144/0x340 [ 288.354012] ndisc_send_rs+0x331/0x6e0 [ 288.357909] addrconf_rs_timer+0x3c0/0x6f0 [ 288.362151] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.366400] call_timer_fn+0x272/0x920 [ 288.370290] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.374526] ? process_timeout+0x40/0x40 [ 288.378585] ? find_held_lock+0x36/0x1c0 [ 288.382666] ? __run_timers+0x7da/0xc70 [ 288.386644] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.391165] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.395664] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.399905] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 288.404496] ? trace_hardirqs_on+0xbd/0x310 [ 288.408818] ? kasan_check_read+0x11/0x20 [ 288.412966] ? __run_timers+0x7da/0xc70 [ 288.416953] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.422412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.426669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.430912] __run_timers+0x7e5/0xc70 [ 288.434728] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 288.440098] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 288.445117] ? graph_lock+0x170/0x170 [ 288.448921] ? enqueue_hrtimer+0x1a5/0x560 [ 288.453169] ? lock_release+0x970/0x970 [ 288.457147] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 288.462351] ? find_held_lock+0x36/0x1c0 [ 288.466426] ? pvclock_read_flags+0x160/0x160 [ 288.470922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.476461] ? check_preemption_disabled+0x48/0x200 [ 288.481485] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 288.487027] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.492308] ? rcu_pm_notify+0xc0/0xc0 [ 288.496202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.501738] ? check_preemption_disabled+0x48/0x200 [ 288.506765] run_timer_softirq+0x52/0xb0 [ 288.510830] ? rcu_read_lock_sched_held+0x108/0x120 [ 288.515870] __do_softirq+0x30b/0xad8 [ 288.519686] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 288.524799] ? pvclock_read_flags+0x160/0x160 [ 288.529298] ? lapic_next_event+0x5a/0x90 [ 288.533463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.539016] ? check_preemption_disabled+0x48/0x200 [ 288.544034] ? check_preemption_disabled+0x48/0x200 [ 288.549055] ? kvm_clock_read+0x18/0x30 [ 288.553030] ? kvm_sched_clock_read+0x9/0x20 [ 288.557445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.562980] ? check_preemption_disabled+0x48/0x200 [ 288.568032] irq_exit+0x17f/0x1c0 [ 288.571493] smp_apic_timer_interrupt+0x1cb/0x760 [ 288.576354] ? smp_call_function_single_interrupt+0x650/0x650 [ 288.582240] ? interrupt_entry+0xb5/0xf0 [ 288.586315] ? trace_hardirqs_off_caller+0xbb/0x300 [ 288.591333] ? trace_hardirqs_off_caller+0xbb/0x300 [ 288.596352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.601195] ? trace_hardirqs_off+0x300/0x300 [ 288.605690] ? trace_hardirqs_off+0x300/0x300 [ 288.610189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.615724] ? check_preemption_disabled+0x48/0x200 [ 288.620741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.626302] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.631161] apic_timer_interrupt+0xf/0x20 [ 288.635393] [ 288.637631] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 288.642736] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 288.661649] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 288.669376] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 288.676648] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 288.683919] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 288.691185] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 288.698452] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 288.705749] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.710256] finish_task_switch+0x1f5/0x900 [ 288.714590] ? finish_task_switch+0x1b5/0x900 [ 288.719100] ? __switch_to_asm+0x34/0x70 [ 288.723167] ? preempt_notifier_register+0x200/0x200 [ 288.728273] ? __switch_to_asm+0x34/0x70 [ 288.732334] ? __switch_to_asm+0x34/0x70 [ 288.736398] ? __switch_to_asm+0x40/0x70 [ 288.740472] ? __switch_to_asm+0x34/0x70 [ 288.744532] ? __switch_to_asm+0x40/0x70 [ 288.748596] ? __switch_to_asm+0x34/0x70 [ 288.752677] ? __switch_to_asm+0x40/0x70 [ 288.756733] ? __switch_to_asm+0x34/0x70 [ 288.760791] ? __switch_to_asm+0x40/0x70 [ 288.764864] ? __switch_to_asm+0x34/0x70 [ 288.768928] ? __switch_to_asm+0x40/0x70 [ 288.772993] ? __switch_to_asm+0x34/0x70 [ 288.777055] ? __switch_to_asm+0x40/0x70 [ 288.781118] ? __switch_to_asm+0x34/0x70 [ 288.785177] ? __switch_to_asm+0x40/0x70 [ 288.789246] __schedule+0x874/0x1ed0 [ 288.792960] ? lockdep_hardirqs_on+0x421/0x5c0 [ 288.797559] ? __sched_text_start+0x8/0x8 [ 288.801732] ? graph_lock+0x170/0x170 [ 288.805552] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.810315] ? lockdep_hardirqs_on+0x421/0x5c0 [ 288.814922] ? retint_kernel+0x2d/0x2d [ 288.818817] ? find_held_lock+0x36/0x1c0 [ 288.822886] schedule+0xfe/0x460 [ 288.826258] ? __schedule+0x1ed0/0x1ed0 [ 288.830236] ? lockdep_hardirqs_on+0x421/0x5c0 [ 288.834824] ? trace_hardirqs_on+0xbd/0x310 [ 288.839146] ? kasan_check_read+0x11/0x20 [ 288.843307] ? worker_thread+0x3ca/0x1390 [ 288.847483] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.852949] ? kasan_check_write+0x14/0x20 [ 288.857189] ? do_raw_spin_lock+0xc1/0x200 [ 288.861431] worker_thread+0x3cf/0x1390 [ 288.865418] ? __switch_to_asm+0x34/0x70 [ 288.869508] ? process_one_work+0x1b90/0x1b90 [ 288.874037] ? graph_lock+0x170/0x170 [ 288.877869] ? __sched_text_start+0x8/0x8 [ 288.882031] ? find_held_lock+0x36/0x1c0 [ 288.886105] ? __kthread_parkme+0xce/0x1a0 [ 288.890373] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 288.895482] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 288.900611] ? lockdep_hardirqs_on+0x421/0x5c0 [ 288.905199] ? trace_hardirqs_on+0xbd/0x310 [ 288.909537] ? kasan_check_read+0x11/0x20 [ 288.913694] ? __kthread_parkme+0xce/0x1a0 [ 288.917932] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.923390] ? kasan_check_write+0x14/0x20 [ 288.927630] ? do_raw_spin_lock+0xc1/0x200 [ 288.931870] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 288.936977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.942521] ? __kthread_parkme+0xfb/0x1a0 [ 288.946763] kthread+0x35a/0x420 [ 288.950131] ? process_one_work+0x1b90/0x1b90 [ 288.954640] ? kthread_bind+0x40/0x40 [ 288.958445] ret_from_fork+0x3a/0x50 [ 288.962179] warn_alloc_show_mem: 1 callbacks suppressed [ 288.962191] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 288.962193] Mem-Info: [ 288.962224] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 288.962224] active_file:13 inactive_file:18 isolated_file:0 [ 288.962224] unevictable:0 dirty:0 writeback:0 unstable:0 [ 288.962224] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 288.962224] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 288.962224] free:13747 free_pcp:307 free_cma:0 [ 288.967572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.974781] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 288.977181] Call Trace: [ 289.010056] Node 0 [ 289.019411] [ 289.047097] 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 [ 289.049668] dump_stack+0x1c4/0x2b4 [ 289.051902] lowmem_reserve[]: 0 [ 289.054079] ? dump_stack_print_info.cold.2+0x52/0x52 [ 289.079558] 2815 6318 [ 289.083228] warn_alloc.cold.118+0xb7/0x1bd [ 289.086459] 6318 [ 289.091664] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.094135] Node 0 [ 289.098459] ? lock_downgrade+0x900/0x900 [ 289.100519] DMA32 free:25280kB 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 [ 289.100527] lowmem_reserve[]: [ 289.105375] ? trace_hardirqs_off+0xb8/0x300 [ 289.107581] 0 0 [ 289.111740] ? trace_hardirqs_off+0xb8/0x300 [ 289.138695] 3503 3503 [ 289.141838] __alloc_pages_slowpath+0x2667/0x2d80 [ 289.146213] Node 0 [ 289.148228] ? warn_alloc+0x120/0x120 [ 289.152613] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 289.155099] ? warn_alloc+0x120/0x120 [ 289.159915] lowmem_reserve[]: [ 289.162152] ? print_usage_bug+0xc0/0xc0 [ 289.165927] 0 [ 289.194307] ? warn_alloc+0x120/0x120 [ 289.198093] 0 [ 289.201204] ? print_usage_bug+0xc0/0xc0 [ 289.205252] 0 0 [ 289.207067] ? graph_lock+0x170/0x170 [ 289.210839] Node 0 [ 289.212645] ? kvm_sched_clock_read+0x9/0x20 [ 289.216688] DMA: [ 289.218662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.222436] 1*4kB [ 289.224679] ? should_fail+0x22d/0xd01 [ 289.229071] (U) [ 289.231138] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.236652] 0*8kB [ 289.238798] ? __lock_acquire+0x7ec/0x4ec0 [ 289.242656] 0*16kB 1*32kB [ 289.244642] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.249717] (U) 2*64kB [ 289.251878] ? __lock_acquire+0x7ec/0x4ec0 [ 289.256090] (U) [ 289.258933] ? should_fail+0x22d/0xd01 [ 289.264012] 1*128kB [ 289.266602] ? mark_held_locks+0x130/0x130 [ 289.270799] (U) [ 289.272780] ? mark_held_locks+0x130/0x130 [ 289.276644] 1*256kB [ 289.279009] ? select_task_rq_fair+0x754/0x34f0 [ 289.283217] (U) [ 289.285191] ? lock_downgrade+0x900/0x900 [ 289.289397] 0*512kB 1*1024kB [ 289.291731] ? check_preemption_disabled+0x48/0x200 [ 289.296367] (U) 1*2048kB [ 289.298366] ? graph_lock+0x170/0x170 [ 289.302499] (M) 3*4096kB [ 289.305612] ? print_usage_bug+0xc0/0xc0 [ 289.310605] (M) [ 289.313364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.317133] = 15908kB [ 289.317142] Node 0 [ 289.319901] ? check_preemption_disabled+0x48/0x200 [ 289.323928] DMA32: 4*4kB [ 289.325929] ? check_preemption_disabled+0x48/0x200 [ 289.331441] (UM) [ 289.333863] ? __lock_is_held+0xb5/0x140 [ 289.336062] 2*8kB (M) [ 289.341088] __alloc_pages_nodemask+0xa80/0xde0 [ 289.343825] 2*16kB [ 289.348846] ? graph_lock+0x170/0x170 [ 289.350896] (UM) [ 289.354956] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 289.357429] 2*32kB [ 289.362098] ? graph_lock+0x170/0x170 [ 289.364310] (UM) [ 289.368115] ? find_held_lock+0x36/0x1c0 [ 289.370145] 3*64kB (UM) [ 289.375171] ? ____cache_alloc_node+0x1c7/0x1e0 [ 289.377383] 3*128kB [ 289.381185] ? lock_downgrade+0x900/0x900 [ 289.383222] (M) [ 289.387287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.389925] 2*256kB (M) [ 289.394604] cache_grow_begin+0x91/0x8c0 [ 289.396914] 3*512kB [ 289.401058] ? do_raw_spin_unlock+0xa7/0x2f0 [ 289.403011] (M) [ 289.408553] fallback_alloc+0x203/0x2e0 [ 289.411207] 4*1024kB (UM) [ 289.415284] ____cache_alloc_node+0x1c7/0x1e0 [ 289.417584] 3*2048kB [ 289.422020] kmem_cache_alloc_node+0xe3/0x730 [ 289.423970] (UM) [ 289.427948] ? ipv6_get_ifaddr+0x42e/0x620 [ 289.430766] 3*4096kB [ 289.435259] __alloc_skb+0x119/0x770 [ 289.437644] (M) [ 289.442142] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.444178] = 25280kB [ 289.444187] Node 0 [ 289.448521] ? skb_scrub_packet+0x490/0x490 [ 289.450902] Normal: 876*4kB [ 289.454633] ? lock_downgrade+0x900/0x900 [ 289.456584] (UME) [ 289.461862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.464251] 393*8kB [ 289.466502] ? refcount_sub_and_test_checked+0x203/0x310 [ 289.470807] (UMEH) [ 289.473830] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 289.477951] 183*16kB (UMEH) [ 289.480122] ? addrconf_rs_timer+0x6f0/0x6f0 [ 289.485636] 70*32kB [ 289.487962] ndisc_alloc_skb+0x144/0x340 [ 289.493376] (UMEH) 13*64kB [ 289.495625] ndisc_send_rs+0x331/0x6e0 [ 289.501048] (UMH) [ 289.504071] addrconf_rs_timer+0x3c0/0x6f0 [ 289.508480] 3*128kB [ 289.510806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.514840] (UH) [ 289.517777] call_timer_fn+0x272/0x920 [ 289.521660] 3*256kB [ 289.523806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.528011] (H) 0*512kB [ 289.530344] ? process_timeout+0x40/0x40 [ 289.534568] 0*1024kB [ 289.536629] ? find_held_lock+0x36/0x1c0 [ 289.540500] 0*2048kB 0*4096kB [ 289.542873] ? __run_timers+0x7da/0xc70 [ 289.547092] = 13800kB [ 289.547107] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 289.549777] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.553818] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 289.556221] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.560261] 410 total pagecache pages [ 289.563449] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.567405] 0 pages in swap cache [ 289.569808] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 289.578622] Swap cache stats: add 0, delete 0, find 0/0 [ 289.583108] ? trace_hardirqs_on+0xbd/0x310 [ 289.591655] Free swap = 0kB [ 289.591665] Total swap = 0kB [ 289.596158] ? kasan_check_read+0x11/0x20 [ 289.599935] 1965979 pages RAM [ 289.604174] ? __run_timers+0x7da/0xc70 [ 289.607613] 0 pages HighMem/MovableOnly [ 289.607623] 343323 pages reserved [ 289.612200] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.617532] 0 pages cma reserved [ 289.617602] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.621872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.624936] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.627888] __run_timers+0x7e5/0xc70 [ 289.632021] kworker/0:1 cpuset= [ 289.635133] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 289.639099] / [ 289.643076] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 289.646521] mems_allowed=0 [ 289.651983] ? graph_lock+0x170/0x170 [ 289.702163] ? enqueue_hrtimer+0x1a5/0x560 [ 289.706399] ? lock_release+0x970/0x970 [ 289.710381] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 289.715581] ? find_held_lock+0x36/0x1c0 [ 289.719649] ? graph_lock+0x170/0x170 [ 289.723456] ? pvclock_read_flags+0x160/0x160 [ 289.727998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.733542] ? check_preemption_disabled+0x48/0x200 [ 289.738572] ? __lock_is_held+0xb5/0x140 [ 289.742644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.748192] ? check_preemption_disabled+0x48/0x200 [ 289.753222] run_timer_softirq+0x52/0xb0 [ 289.757287] ? rcu_read_lock_sched_held+0x108/0x120 [ 289.762311] __do_softirq+0x30b/0xad8 [ 289.766142] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 289.771254] ? pvclock_read_flags+0x160/0x160 [ 289.775751] ? lapic_next_event+0x5a/0x90 [ 289.779915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.785466] ? check_preemption_disabled+0x48/0x200 [ 289.790512] ? check_preemption_disabled+0x48/0x200 [ 289.795546] ? kvm_clock_read+0x18/0x30 [ 289.799522] ? kvm_sched_clock_read+0x9/0x20 [ 289.803935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.809475] ? check_preemption_disabled+0x48/0x200 [ 289.814527] irq_exit+0x17f/0x1c0 [ 289.818006] smp_apic_timer_interrupt+0x1cb/0x760 [ 289.822853] ? smp_reschedule_interrupt+0x109/0x650 [ 289.827872] ? smp_call_function_single_interrupt+0x650/0x650 [ 289.833764] ? interrupt_entry+0xb5/0xf0 [ 289.837833] ? trace_hardirqs_off_caller+0xbb/0x300 [ 289.842854] ? trace_hardirqs_off_caller+0xbb/0x300 [ 289.847880] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.852728] ? trace_hardirqs_off+0x300/0x300 [ 289.857226] ? trace_hardirqs_off+0x300/0x300 [ 289.861740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.867292] ? check_preemption_disabled+0x48/0x200 [ 289.872319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.877177] apic_timer_interrupt+0xf/0x20 [ 289.881407] [ 289.883662] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 289.888594] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 289.907516] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 289.915247] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 289.922515] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 289.929782] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 289.937054] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 289.944322] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 289.951643] skb_clone+0x1bb/0x500 [ 289.955190] ? skb_split+0x11e0/0x11e0 [ 289.959084] ? preempt_notifier_register+0x200/0x200 [ 289.964214] ? __switch_to_asm+0x34/0x70 [ 289.968275] ? __switch_to_asm+0x34/0x70 [ 289.972337] ? __switch_to_asm+0x40/0x70 [ 289.976412] ? __switch_to_asm+0x34/0x70 [ 289.980472] ? __switch_to_asm+0x40/0x70 [ 289.984541] ? __switch_to_asm+0x40/0x70 [ 289.988603] ? __switch_to_asm+0x34/0x70 [ 289.992667] ? __switch_to_asm+0x34/0x70 [ 289.996727] ? __switch_to_asm+0x40/0x70 [ 290.000785] ? __switch_to_asm+0x34/0x70 [ 290.004856] bpf_clone_redirect+0xb9/0x490 [ 290.009108] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 290.014139] ? __sched_text_start+0x8/0x8 [ 290.018298] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.023066] ? find_held_lock+0x36/0x1c0 [ 290.027323] ? lock_acquire+0x1ed/0x520 [ 290.031301] ? bpf_test_run+0x32e/0x5a0 [ 290.035282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.040819] ? check_preemption_disabled+0x48/0x200 [ 290.045841] ? kasan_check_read+0x11/0x20 [ 290.049993] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.055276] ? rcu_bh_qs+0xc0/0xc0 [ 290.058822] ? preempt_schedule+0x4d/0x60 [ 290.062974] ? ___preempt_schedule+0x16/0x18 [ 290.067413] ? bpf_test_run+0x1c0/0x5a0 [ 290.071403] ? netlink_diag_dump+0x2a0/0x2a0 [ 290.075843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.081379] ? bpf_test_init.isra.9+0x70/0x100 [ 290.085966] ? bpf_prog_test_run_skb+0x634/0xb40 [ 290.090734] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 290.095580] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 290.101118] ? fput+0x130/0x1a0 [ 290.104402] ? __bpf_prog_get+0x9b/0x290 [ 290.108467] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 290.113315] ? bpf_prog_test_run+0x130/0x1a0 [ 290.117727] ? __x64_sys_bpf+0x3d8/0x510 [ 290.121791] ? bpf_prog_get+0x20/0x20 [ 290.125607] ? ksys_ioctl+0x81/0xd0 [ 290.129246] ? do_syscall_64+0x1b9/0x820 [ 290.133833] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 290.139208] ? syscall_return_slowpath+0x5e0/0x5e0 [ 290.144144] ? trace_hardirqs_off+0x300/0x300 [ 290.148642] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 290.153665] ? recalc_sigpending_tsk+0x180/0x180 [ 290.158461] ? kasan_check_write+0x14/0x20 [ 290.162737] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.167599] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.173004] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 290.173075] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.179851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.179875] Workqueue: (null) (events) [ 290.179895] Call Trace: [ 290.186435] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.195728] [ 290.200570] syz-executor1 cpuset= [ 290.203155] dump_stack+0x1c4/0x2b4 [ 290.213614] syz1 [ 290.215765] ? dump_stack_print_info.cold.2+0x52/0x52 [ 290.219200] mems_allowed=0 [ 290.222827] warn_alloc.cold.118+0xb7/0x1bd [ 290.237179] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.242031] ? lock_downgrade+0x900/0x900 [ 290.246200] ? trace_hardirqs_off+0xb8/0x300 [ 290.250632] ? trace_hardirqs_off+0xb8/0x300 [ 290.255053] __alloc_pages_slowpath+0x2667/0x2d80 [ 290.259929] ? warn_alloc+0x120/0x120 [ 290.263738] ? warn_alloc+0x120/0x120 [ 290.267544] ? print_usage_bug+0xc0/0xc0 [ 290.271618] ? warn_alloc+0x120/0x120 [ 290.275430] ? print_usage_bug+0xc0/0xc0 [ 290.279498] ? __lock_acquire+0x7ec/0x4ec0 [ 290.283740] ? __lock_acquire+0x7ec/0x4ec0 [ 290.288001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.293543] ? should_fail+0x22d/0xd01 [ 290.297438] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.302560] ? __lock_acquire+0x7ec/0x4ec0 [ 290.306813] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.311914] ? __lock_acquire+0x7ec/0x4ec0 [ 290.316148] ? should_fail+0x22d/0xd01 [ 290.320051] ? mark_held_locks+0x130/0x130 [ 290.324292] ? mark_held_locks+0x130/0x130 [ 290.328529] ? graph_lock+0x170/0x170 [ 290.332344] ? graph_lock+0x170/0x170 [ 290.336152] ? graph_lock+0x170/0x170 [ 290.339954] ? print_usage_bug+0xc0/0xc0 [ 290.344027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.349570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.355107] ? check_preemption_disabled+0x48/0x200 [ 290.360127] ? check_preemption_disabled+0x48/0x200 [ 290.365157] ? __lock_is_held+0xb5/0x140 [ 290.369227] __alloc_pages_nodemask+0xa80/0xde0 [ 290.373899] ? graph_lock+0x170/0x170 [ 290.377731] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 290.382751] ? graph_lock+0x170/0x170 [ 290.386564] ? find_held_lock+0x36/0x1c0 [ 290.390663] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.395335] ? lock_downgrade+0x900/0x900 [ 290.399508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.405058] cache_grow_begin+0x91/0x8c0 [ 290.409136] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.413568] fallback_alloc+0x203/0x2e0 [ 290.417567] ____cache_alloc_node+0x1c7/0x1e0 [ 290.422070] kmem_cache_alloc_node+0xe3/0x730 [ 290.426569] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.430815] __alloc_skb+0x119/0x770 [ 290.434534] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.439820] ? skb_scrub_packet+0x490/0x490 [ 290.444147] ? lock_downgrade+0x900/0x900 [ 290.448307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.453846] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.459302] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.464756] ? addrconf_rs_timer+0x6f0/0x6f0 [ 290.469185] ndisc_alloc_skb+0x144/0x340 [ 290.473266] ndisc_send_rs+0x331/0x6e0 [ 290.477164] addrconf_rs_timer+0x3c0/0x6f0 [ 290.481423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.485678] call_timer_fn+0x272/0x920 [ 290.489572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.493813] ? process_timeout+0x40/0x40 [ 290.497877] ? find_held_lock+0x36/0x1c0 [ 290.501972] ? __run_timers+0x7da/0xc70 [ 290.505963] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.510476] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.515001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.519243] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 290.523832] ? trace_hardirqs_on+0xbd/0x310 [ 290.528154] ? kasan_check_read+0x11/0x20 [ 290.532312] ? __run_timers+0x7da/0xc70 [ 290.536301] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.541764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.546019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.550260] __run_timers+0x7e5/0xc70 [ 290.554083] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 290.559456] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 290.564488] ? graph_lock+0x170/0x170 [ 290.568303] ? enqueue_hrtimer+0x1a5/0x560 [ 290.572543] ? lock_release+0x970/0x970 [ 290.576538] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 290.581738] ? find_held_lock+0x36/0x1c0 [ 290.585813] ? pvclock_read_flags+0x160/0x160 [ 290.590315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.595861] ? check_preemption_disabled+0x48/0x200 [ 290.600897] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 290.606446] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.611738] ? rcu_pm_notify+0xc0/0xc0 [ 290.615635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.621173] ? check_preemption_disabled+0x48/0x200 [ 290.626203] run_timer_softirq+0x52/0xb0 [ 290.630279] ? rcu_read_lock_sched_held+0x108/0x120 [ 290.635314] __do_softirq+0x30b/0xad8 [ 290.639129] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 290.644249] ? pvclock_read_flags+0x160/0x160 [ 290.648749] ? lapic_next_event+0x5a/0x90 [ 290.652918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.658460] ? check_preemption_disabled+0x48/0x200 [ 290.663494] ? check_preemption_disabled+0x48/0x200 [ 290.668517] ? kvm_clock_read+0x18/0x30 [ 290.672495] ? kvm_sched_clock_read+0x9/0x20 [ 290.676922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.682472] ? check_preemption_disabled+0x48/0x200 [ 290.687505] irq_exit+0x17f/0x1c0 [ 290.690964] smp_apic_timer_interrupt+0x1cb/0x760 [ 290.695816] ? smp_call_function_single_interrupt+0x650/0x650 [ 290.701703] ? interrupt_entry+0xb5/0xf0 [ 290.705773] ? trace_hardirqs_off_caller+0xbb/0x300 [ 290.710789] ? trace_hardirqs_off_caller+0xbb/0x300 [ 290.715813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.720655] ? trace_hardirqs_off+0x300/0x300 [ 290.725149] ? trace_hardirqs_off+0x300/0x300 [ 290.729645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.735209] ? check_preemption_disabled+0x48/0x200 [ 290.740226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.745773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.750630] apic_timer_interrupt+0xf/0x20 [ 290.754859] [ 290.757099] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 290.762208] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 290.781113] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 290.788826] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 290.796105] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 290.803398] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 290.810692] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 290.817957] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 290.825269] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.829781] finish_task_switch+0x1f5/0x900 [ 290.834120] ? finish_task_switch+0x1b5/0x900 [ 290.838617] ? __switch_to_asm+0x34/0x70 [ 290.842682] ? preempt_notifier_register+0x200/0x200 [ 290.847786] ? __switch_to_asm+0x34/0x70 [ 290.851860] ? __switch_to_asm+0x34/0x70 [ 290.855929] ? __switch_to_asm+0x40/0x70 [ 290.859995] ? __switch_to_asm+0x34/0x70 [ 290.864061] ? __switch_to_asm+0x40/0x70 [ 290.868123] ? __switch_to_asm+0x34/0x70 [ 290.872196] ? __switch_to_asm+0x40/0x70 [ 290.876266] ? __switch_to_asm+0x34/0x70 [ 290.880327] ? __switch_to_asm+0x40/0x70 [ 290.884391] ? __switch_to_asm+0x34/0x70 [ 290.888460] ? __switch_to_asm+0x40/0x70 [ 290.892530] ? __switch_to_asm+0x34/0x70 [ 290.896595] ? __switch_to_asm+0x40/0x70 [ 290.900662] ? __switch_to_asm+0x34/0x70 [ 290.904727] ? __switch_to_asm+0x40/0x70 [ 290.908806] __schedule+0x874/0x1ed0 [ 290.912525] ? lockdep_hardirqs_on+0x421/0x5c0 [ 290.917130] ? __sched_text_start+0x8/0x8 [ 290.921294] ? graph_lock+0x170/0x170 [ 290.925102] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.929875] ? lockdep_hardirqs_on+0x421/0x5c0 [ 290.934476] ? retint_kernel+0x2d/0x2d [ 290.938374] ? find_held_lock+0x36/0x1c0 [ 290.942450] schedule+0xfe/0x460 [ 290.945831] ? __schedule+0x1ed0/0x1ed0 [ 290.949811] ? lockdep_hardirqs_on+0x421/0x5c0 [ 290.954402] ? trace_hardirqs_on+0xbd/0x310 [ 290.958726] ? kasan_check_read+0x11/0x20 [ 290.962876] ? worker_thread+0x3ca/0x1390 [ 290.967033] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.972493] ? kasan_check_write+0x14/0x20 [ 290.976739] ? do_raw_spin_lock+0xc1/0x200 [ 290.980984] worker_thread+0x3cf/0x1390 [ 290.984969] ? __switch_to_asm+0x34/0x70 [ 290.989054] ? process_one_work+0x1b90/0x1b90 [ 290.993577] ? graph_lock+0x170/0x170 [ 290.997388] ? __sched_text_start+0x8/0x8 [ 291.001550] ? find_held_lock+0x36/0x1c0 [ 291.005626] ? __kthread_parkme+0xce/0x1a0 [ 291.009873] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 291.014983] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 291.020112] ? lockdep_hardirqs_on+0x421/0x5c0 [ 291.024702] ? trace_hardirqs_on+0xbd/0x310 [ 291.029045] ? kasan_check_read+0x11/0x20 [ 291.033201] ? __kthread_parkme+0xce/0x1a0 [ 291.037448] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.042907] ? kasan_check_write+0x14/0x20 [ 291.047155] ? do_raw_spin_lock+0xc1/0x200 [ 291.051401] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 291.056510] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.062080] ? __kthread_parkme+0xfb/0x1a0 [ 291.066324] kthread+0x35a/0x420 [ 291.069697] ? process_one_work+0x1b90/0x1b90 [ 291.074197] ? kthread_bind+0x40/0x40 [ 291.078014] ret_from_fork+0x3a/0x50 [ 291.081743] warn_alloc_show_mem: 1 callbacks suppressed [ 291.081755] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 291.081757] Mem-Info: [ 291.081786] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 291.081786] active_file:13 inactive_file:18 isolated_file:0 [ 291.081786] unevictable:0 dirty:0 writeback:0 unstable:0 [ 291.081786] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 291.081786] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 291.081786] free:13747 free_pcp:307 free_cma:0 [ 291.087133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 291.094350] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 291.096752] Call Trace: [ 291.129630] Node 0 [ 291.138986] [ 291.166689] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 291.169256] dump_stack+0x1c4/0x2b4 [ 291.171464] lowmem_reserve[]: 0 [ 291.173625] ? dump_stack_print_info.cold.2+0x52/0x52 [ 291.199106] 2815 6318 [ 291.202762] warn_alloc.cold.118+0xb7/0x1bd [ 291.206004] 6318 [ 291.211204] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 291.213673] Node 0 [ 291.217997] ? lock_downgrade+0x900/0x900 [ 291.220063] DMA32 free:25280kB 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 [ 291.224880] ? trace_hardirqs_off+0xb8/0x300 [ 291.227083] lowmem_reserve[]: 0 [ 291.231239] ? trace_hardirqs_off+0xb8/0x300 [ 291.258386] 0 [ 291.262804] __alloc_pages_slowpath+0x2667/0x2d80 [ 291.266044] 3503 3503 [ 291.270491] ? warn_alloc+0x120/0x120 [ 291.277091] ? warn_alloc+0x120/0x120 [ 291.279578] Node 0 [ 291.283375] ? print_usage_bug+0xc0/0xc0 [ 291.287181] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 291.289390] ? warn_alloc+0x120/0x120 [ 291.293420] lowmem_reserve[]: 0 [ 291.321807] ? print_usage_bug+0xc0/0xc0 [ 291.325585] 0 [ 291.328862] ? __lock_acquire+0x7ec/0x4ec0 [ 291.332904] 0 [ 291.334706] ? __lock_acquire+0x7ec/0x4ec0 [ 291.338920] 0 [ 291.340720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.346729] ? should_fail+0x22d/0xd01 [ 291.352240] Node 0 DMA: [ 291.356123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.356140] ? __lock_acquire+0x7ec/0x4ec0 [ 291.358795] 1*4kB [ 291.363892] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.368126] (U) [ 291.370273] ? __lock_acquire+0x7ec/0x4ec0 [ 291.375353] 0*8kB [ 291.377339] ? should_fail+0x22d/0xd01 [ 291.381548] 0*16kB [ 291.383700] ? mark_held_locks+0x130/0x130 [ 291.387559] 1*32kB [ 291.389789] ? mark_held_locks+0x130/0x130 [ 291.394008] (U) [ 291.396255] ? graph_lock+0x170/0x170 [ 291.400469] 2*64kB [ 291.402442] ? graph_lock+0x170/0x170 [ 291.406234] (U) [ 291.408468] ? graph_lock+0x170/0x170 [ 291.412251] 1*128kB [ 291.414224] ? print_usage_bug+0xc0/0xc0 [ 291.418010] (U) [ 291.420351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.424414] 1*256kB [ 291.426388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.431901] (U) [ 291.434222] ? check_preemption_disabled+0x48/0x200 [ 291.439737] 0*512kB [ 291.441710] ? check_preemption_disabled+0x48/0x200 [ 291.446720] 1*1024kB [ 291.449047] ? __lock_is_held+0xb5/0x140 [ 291.454029] (U) 1*2048kB [ 291.456462] __alloc_pages_nodemask+0xa80/0xde0 [ 291.460502] (M) 3*4096kB [ 291.463267] ? graph_lock+0x170/0x170 [ 291.467915] (M) [ 291.470672] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 291.474622] = 15908kB [ 291.474631] Node 0 [ 291.476606] ? graph_lock+0x170/0x170 [ 291.481593] DMA32: 4*4kB [ 291.484022] ? find_held_lock+0x36/0x1c0 [ 291.486232] (UM) [ 291.490035] ? ____cache_alloc_node+0x1c7/0x1e0 [ 291.492773] 2*8kB (M) [ 291.496838] ? lock_downgrade+0x900/0x900 [ 291.498894] 2*16kB [ 291.503562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.506031] (UM) [ 291.510183] cache_grow_begin+0x91/0x8c0 [ 291.512390] 2*32kB (UM) [ 291.517949] ? do_raw_spin_unlock+0xa7/0x2f0 [ 291.519982] 3*64kB (UM) [ 291.524058] fallback_alloc+0x203/0x2e0 [ 291.526702] 3*128kB [ 291.531113] ____cache_alloc_node+0x1c7/0x1e0 [ 291.533773] (M) [ 291.537758] kmem_cache_alloc_node+0xe3/0x730 [ 291.540063] 2*256kB [ 291.544551] ? ipv6_get_ifaddr+0x42e/0x620 [ 291.546504] (M) [ 291.551116] __alloc_skb+0x119/0x770 [ 291.553409] 3*512kB (M) [ 291.557652] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.559613] 4*1024kB [ 291.563332] ? skb_scrub_packet+0x490/0x490 [ 291.566002] (UM) [ 291.571273] ? lock_downgrade+0x900/0x900 [ 291.573662] 3*2048kB [ 291.577991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.580025] (UM) [ 291.584171] ? refcount_sub_and_test_checked+0x203/0x310 [ 291.586569] 3*4096kB [ 291.592097] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 291.594149] (M) [ 291.599603] ? addrconf_rs_timer+0x6f0/0x6f0 [ 291.602011] = 25280kB [ 291.607464] ndisc_alloc_skb+0x144/0x340 [ 291.609408] Node 0 [ 291.613814] ndisc_send_rs+0x331/0x6e0 [ 291.616204] Normal: [ 291.620265] addrconf_rs_timer+0x3c0/0x6f0 [ 291.622476] 876*4kB [ 291.626375] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.628674] (UME) [ 291.632915] call_timer_fn+0x272/0x920 [ 291.635210] 393*8kB [ 291.639439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.641576] (UMEH) [ 291.645458] ? process_timeout+0x40/0x40 [ 291.647753] 183*16kB (UMEH) [ 291.652004] ? find_held_lock+0x36/0x1c0 [ 291.654221] 70*32kB [ 291.658295] ? __run_timers+0x7da/0xc70 [ 291.661296] (UMEH) [ 291.665358] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.667659] 13*64kB [ 291.671630] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.673843] (UMH) [ 291.678360] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.680657] 3*128kB [ 291.685150] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 291.687274] (UH) [ 291.691512] ? trace_hardirqs_on+0xbd/0x310 [ 291.693814] 3*256kB [ 291.698405] ? kasan_check_read+0x11/0x20 [ 291.700448] (H) [ 291.704766] ? __run_timers+0x7da/0xc70 [ 291.707085] 0*512kB [ 291.711228] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.713179] 0*1024kB [ 291.717236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.719537] 0*2048kB [ 291.724992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.727382] 0*4096kB [ 291.731612] __run_timers+0x7e5/0xc70 [ 291.733997] = 13800kB [ 291.734012] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 291.738251] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 291.740635] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 291.744440] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 291.746825] 410 total pagecache pages [ 291.755652] ? graph_lock+0x170/0x170 [ 291.761005] 0 pages in swap cache [ 291.769567] ? enqueue_hrtimer+0x1a5/0x560 [ 291.774557] Swap cache stats: add 0, delete 0, find 0/0 [ 291.774566] Free swap = 0kB [ 291.778360] ? lock_release+0x970/0x970 [ 291.782131] Total swap = 0kB [ 291.782140] 1965979 pages RAM [ 291.785609] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 291.789816] 0 pages HighMem/MovableOnly [ 291.789825] 343323 pages reserved [ 291.795189] ? find_held_lock+0x36/0x1c0 [ 291.798182] 0 pages cma reserved [ 291.802153] ? graph_lock+0x170/0x170 [ 291.805293] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 291.808314] ? pvclock_read_flags+0x160/0x160 [ 291.808330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.808347] ? check_preemption_disabled+0x48/0x200 [ 291.813570] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 291.817513] ? __lock_is_held+0xb5/0x140 [ 291.820931] kworker/0:1 cpuset= [ 291.825010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.828356] / [ 291.832167] ? check_preemption_disabled+0x48/0x200 [ 291.838656] mems_allowed=0 [ 291.843153] run_timer_softirq+0x52/0xb0 [ 291.890471] ? rcu_read_lock_sched_held+0x108/0x120 [ 291.895509] __do_softirq+0x30b/0xad8 [ 291.899326] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 291.904437] ? pvclock_read_flags+0x160/0x160 [ 291.908941] ? lapic_next_event+0x5a/0x90 [ 291.913099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.918640] ? check_preemption_disabled+0x48/0x200 [ 291.923654] ? check_preemption_disabled+0x48/0x200 [ 291.928707] ? kvm_clock_read+0x18/0x30 [ 291.932682] ? kvm_sched_clock_read+0x9/0x20 [ 291.937104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.942642] ? check_preemption_disabled+0x48/0x200 [ 291.947677] irq_exit+0x17f/0x1c0 [ 291.951138] smp_apic_timer_interrupt+0x1cb/0x760 [ 291.955995] ? smp_reschedule_interrupt+0x109/0x650 [ 291.961021] ? smp_call_function_single_interrupt+0x650/0x650 [ 291.966913] ? interrupt_entry+0xb5/0xf0 [ 291.970984] ? trace_hardirqs_off_caller+0xbb/0x300 [ 291.976019] ? trace_hardirqs_off_caller+0xbb/0x300 [ 291.981050] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.985916] ? trace_hardirqs_off+0x300/0x300 [ 291.990478] ? trace_hardirqs_off+0x300/0x300 [ 291.994995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.000543] ? check_preemption_disabled+0x48/0x200 [ 292.005577] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.010437] apic_timer_interrupt+0xf/0x20 [ 292.014677] [ 292.016923] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 292.021859] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 292.041067] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 292.048824] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 292.056093] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 292.063362] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 292.070633] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 292.077905] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 292.085224] skb_clone+0x1bb/0x500 [ 292.088784] ? skb_split+0x11e0/0x11e0 [ 292.092676] ? preempt_notifier_register+0x200/0x200 [ 292.097780] ? __switch_to_asm+0x34/0x70 [ 292.101843] ? __switch_to_asm+0x34/0x70 [ 292.105904] ? __switch_to_asm+0x40/0x70 [ 292.109966] ? __switch_to_asm+0x34/0x70 [ 292.114038] ? __switch_to_asm+0x40/0x70 [ 292.118106] ? __switch_to_asm+0x40/0x70 [ 292.122177] ? __switch_to_asm+0x34/0x70 [ 292.126246] ? __switch_to_asm+0x34/0x70 [ 292.130309] ? __switch_to_asm+0x40/0x70 [ 292.134908] ? __switch_to_asm+0x34/0x70 [ 292.139017] bpf_clone_redirect+0xb9/0x490 [ 292.143265] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 292.148288] ? __sched_text_start+0x8/0x8 [ 292.152480] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 292.157260] ? find_held_lock+0x36/0x1c0 [ 292.161330] ? lock_acquire+0x1ed/0x520 [ 292.165310] ? bpf_test_run+0x32e/0x5a0 [ 292.169288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.174832] ? check_preemption_disabled+0x48/0x200 [ 292.179858] ? kasan_check_read+0x11/0x20 [ 292.184013] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.189293] ? rcu_bh_qs+0xc0/0xc0 [ 292.192840] ? preempt_schedule+0x4d/0x60 [ 292.196998] ? ___preempt_schedule+0x16/0x18 [ 292.201420] ? bpf_test_run+0x1c0/0x5a0 [ 292.205426] ? netlink_diag_dump+0x2a0/0x2a0 [ 292.209870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.215413] ? bpf_test_init.isra.9+0x70/0x100 [ 292.220012] ? bpf_prog_test_run_skb+0x634/0xb40 [ 292.224806] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 292.229667] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 292.235218] ? fput+0x130/0x1a0 [ 292.238681] ? __bpf_prog_get+0x9b/0x290 [ 292.242750] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 292.247597] ? bpf_prog_test_run+0x130/0x1a0 [ 292.252019] ? __x64_sys_bpf+0x3d8/0x510 [ 292.256083] ? bpf_prog_get+0x20/0x20 [ 292.259897] ? ksys_ioctl+0x81/0xd0 [ 292.263535] ? do_syscall_64+0x1b9/0x820 [ 292.267615] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 292.272990] ? syscall_return_slowpath+0x5e0/0x5e0 [ 292.277925] ? trace_hardirqs_off+0x300/0x300 [ 292.282424] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 292.287445] ? recalc_sigpending_tsk+0x180/0x180 [ 292.292225] ? kasan_check_write+0x14/0x20 [ 292.296470] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.301332] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 292.306721] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 292.306799] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.313567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.313590] Workqueue: (null) (events) [ 292.313603] Call Trace: [ 292.313616] [ 292.320215] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.329489] dump_stack+0x1c4/0x2b4 [ 292.334320] syz-executor1 cpuset= [ 292.336903] ? dump_stack_print_info.cold.2+0x52/0x52 [ 292.339036] syz1 [ 292.349527] warn_alloc.cold.118+0xb7/0x1bd [ 292.353127] mems_allowed=0 [ 292.356574] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.375835] ? lock_downgrade+0x900/0x900 [ 292.380018] ? trace_hardirqs_off+0xb8/0x300 [ 292.384437] ? trace_hardirqs_off+0xb8/0x300 [ 292.388895] __alloc_pages_slowpath+0x2667/0x2d80 [ 292.393782] ? warn_alloc+0x120/0x120 [ 292.397590] ? warn_alloc+0x120/0x120 [ 292.401399] ? print_usage_bug+0xc0/0xc0 [ 292.405496] ? warn_alloc+0x120/0x120 [ 292.409302] ? print_usage_bug+0xc0/0xc0 [ 292.413369] ? __lock_acquire+0x7ec/0x4ec0 [ 292.417606] ? __lock_acquire+0x7ec/0x4ec0 [ 292.421843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.427382] ? should_fail+0x22d/0xd01 [ 292.431277] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.436384] ? __lock_acquire+0x7ec/0x4ec0 [ 292.440625] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.445776] ? __lock_acquire+0x7ec/0x4ec0 [ 292.450015] ? should_fail+0x22d/0xd01 [ 292.453930] ? mark_held_locks+0x130/0x130 [ 292.458175] ? mark_held_locks+0x130/0x130 [ 292.462414] ? graph_lock+0x170/0x170 [ 292.466216] ? graph_lock+0x170/0x170 [ 292.470025] ? graph_lock+0x170/0x170 [ 292.473828] ? print_usage_bug+0xc0/0xc0 [ 292.477893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.483431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.488973] ? check_preemption_disabled+0x48/0x200 [ 292.494003] ? check_preemption_disabled+0x48/0x200 [ 292.499036] ? __lock_is_held+0xb5/0x140 [ 292.503107] __alloc_pages_nodemask+0xa80/0xde0 [ 292.507780] ? graph_lock+0x170/0x170 [ 292.511610] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 292.516624] ? graph_lock+0x170/0x170 [ 292.520454] ? find_held_lock+0x36/0x1c0 [ 292.524528] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.529199] ? lock_downgrade+0x900/0x900 [ 292.533359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.538907] cache_grow_begin+0x91/0x8c0 [ 292.542973] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.547397] fallback_alloc+0x203/0x2e0 [ 292.551380] ____cache_alloc_node+0x1c7/0x1e0 [ 292.555910] kmem_cache_alloc_node+0xe3/0x730 [ 292.560411] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.564659] __alloc_skb+0x119/0x770 [ 292.568388] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.573690] ? skb_scrub_packet+0x490/0x490 [ 292.578021] ? lock_downgrade+0x900/0x900 [ 292.582178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.587732] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.593213] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.598668] ? addrconf_rs_timer+0x6f0/0x6f0 [ 292.603094] ndisc_alloc_skb+0x144/0x340 [ 292.607166] ndisc_send_rs+0x331/0x6e0 [ 292.611064] addrconf_rs_timer+0x3c0/0x6f0 [ 292.615316] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.619572] call_timer_fn+0x272/0x920 [ 292.623463] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.627702] ? process_timeout+0x40/0x40 [ 292.631762] ? find_held_lock+0x36/0x1c0 [ 292.635854] ? __run_timers+0x7da/0xc70 [ 292.639836] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.644332] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.648830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.653071] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 292.657660] ? trace_hardirqs_on+0xbd/0x310 [ 292.661982] ? kasan_check_read+0x11/0x20 [ 292.666145] ? __run_timers+0x7da/0xc70 [ 292.670125] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.675586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.679833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.684073] __run_timers+0x7e5/0xc70 [ 292.687891] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 292.693261] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 292.698280] ? graph_lock+0x170/0x170 [ 292.702099] ? enqueue_hrtimer+0x1a5/0x560 [ 292.706333] ? lock_release+0x970/0x970 [ 292.710311] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 292.715509] ? find_held_lock+0x36/0x1c0 [ 292.719593] ? pvclock_read_flags+0x160/0x160 [ 292.724094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.729632] ? check_preemption_disabled+0x48/0x200 [ 292.734664] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 292.740208] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.745492] ? rcu_pm_notify+0xc0/0xc0 [ 292.749391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.754933] ? check_preemption_disabled+0x48/0x200 [ 292.759965] run_timer_softirq+0x52/0xb0 [ 292.764038] ? rcu_read_lock_sched_held+0x108/0x120 [ 292.769060] __do_softirq+0x30b/0xad8 [ 292.772877] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 292.778007] ? pvclock_read_flags+0x160/0x160 [ 292.782511] ? lapic_next_event+0x5a/0x90 [ 292.786669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.792209] ? check_preemption_disabled+0x48/0x200 [ 292.797227] ? check_preemption_disabled+0x48/0x200 [ 292.802251] ? kvm_clock_read+0x18/0x30 [ 292.806228] ? kvm_sched_clock_read+0x9/0x20 [ 292.810644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.816199] ? check_preemption_disabled+0x48/0x200 [ 292.821236] irq_exit+0x17f/0x1c0 [ 292.824702] smp_apic_timer_interrupt+0x1cb/0x760 [ 292.829553] ? smp_call_function_single_interrupt+0x650/0x650 [ 292.835439] ? interrupt_entry+0xb5/0xf0 [ 292.839504] ? trace_hardirqs_off_caller+0xbb/0x300 [ 292.844573] ? trace_hardirqs_off_caller+0xbb/0x300 [ 292.849594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.854442] ? trace_hardirqs_off+0x300/0x300 [ 292.858942] ? trace_hardirqs_off+0x300/0x300 [ 292.863441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.868983] ? check_preemption_disabled+0x48/0x200 [ 292.874018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.879578] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.884440] apic_timer_interrupt+0xf/0x20 [ 292.888669] [ 292.890913] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 292.896022] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 292.914926] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 292.922648] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 292.929942] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 292.937209] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 292.944476] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 292.951749] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 292.959056] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.963571] finish_task_switch+0x1f5/0x900 [ 292.967903] ? finish_task_switch+0x1b5/0x900 [ 292.972403] ? __switch_to_asm+0x34/0x70 [ 292.976473] ? preempt_notifier_register+0x200/0x200 [ 292.981598] ? __switch_to_asm+0x34/0x70 [ 292.985677] ? __switch_to_asm+0x34/0x70 [ 292.989736] ? __switch_to_asm+0x40/0x70 [ 292.993802] ? __switch_to_asm+0x34/0x70 [ 292.997867] ? __switch_to_asm+0x40/0x70 [ 293.001931] ? __switch_to_asm+0x34/0x70 [ 293.005997] ? __switch_to_asm+0x40/0x70 [ 293.010061] ? __switch_to_asm+0x34/0x70 [ 293.014130] ? __switch_to_asm+0x40/0x70 [ 293.018191] ? __switch_to_asm+0x34/0x70 [ 293.022250] ? __switch_to_asm+0x40/0x70 [ 293.026310] ? __switch_to_asm+0x34/0x70 [ 293.030373] ? __switch_to_asm+0x40/0x70 [ 293.034446] ? __switch_to_asm+0x34/0x70 [ 293.038540] ? __switch_to_asm+0x40/0x70 [ 293.042616] __schedule+0x874/0x1ed0 [ 293.046335] ? lockdep_hardirqs_on+0x421/0x5c0 [ 293.050929] ? __sched_text_start+0x8/0x8 [ 293.055085] ? graph_lock+0x170/0x170 [ 293.058893] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.063668] ? lockdep_hardirqs_on+0x421/0x5c0 [ 293.068267] ? retint_kernel+0x2d/0x2d [ 293.072161] ? find_held_lock+0x36/0x1c0 [ 293.076252] schedule+0xfe/0x460 [ 293.079627] ? __schedule+0x1ed0/0x1ed0 [ 293.083609] ? lockdep_hardirqs_on+0x421/0x5c0 [ 293.088197] ? trace_hardirqs_on+0xbd/0x310 [ 293.092521] ? kasan_check_read+0x11/0x20 [ 293.096679] ? worker_thread+0x3ca/0x1390 [ 293.100835] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.106292] ? kasan_check_write+0x14/0x20 [ 293.110534] ? do_raw_spin_lock+0xc1/0x200 [ 293.114777] worker_thread+0x3cf/0x1390 [ 293.118760] ? __switch_to_asm+0x34/0x70 [ 293.122839] ? process_one_work+0x1b90/0x1b90 [ 293.127343] ? graph_lock+0x170/0x170 [ 293.131156] ? __sched_text_start+0x8/0x8 [ 293.135314] ? find_held_lock+0x36/0x1c0 [ 293.139390] ? __kthread_parkme+0xce/0x1a0 [ 293.143646] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 293.148752] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 293.153858] ? lockdep_hardirqs_on+0x421/0x5c0 [ 293.158453] ? trace_hardirqs_on+0xbd/0x310 [ 293.162788] ? kasan_check_read+0x11/0x20 [ 293.166936] ? __kthread_parkme+0xce/0x1a0 [ 293.171172] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.176626] ? kasan_check_write+0x14/0x20 [ 293.180870] ? do_raw_spin_lock+0xc1/0x200 [ 293.185111] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 293.190222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.195768] ? __kthread_parkme+0xfb/0x1a0 [ 293.200024] kthread+0x35a/0x420 [ 293.203412] ? process_one_work+0x1b90/0x1b90 [ 293.207920] ? kthread_bind+0x40/0x40 [ 293.211743] ret_from_fork+0x3a/0x50 [ 293.215471] warn_alloc_show_mem: 1 callbacks suppressed [ 293.215484] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 293.215486] Mem-Info: [ 293.215500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.220869] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 293.220869] active_file:13 inactive_file:18 isolated_file:0 [ 293.220869] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.220869] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 293.220869] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 293.220869] free:13747 free_pcp:307 free_cma:0 [ 293.228295] Call Trace: [ 293.230715] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 293.240079] [ 293.272952] Node 0 [ 293.275548] dump_stack+0x1c4/0x2b4 [ 293.303231] 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 [ 293.305364] ? dump_stack_print_info.cold.2+0x52/0x52 [ 293.307573] lowmem_reserve[]: [ 293.311206] warn_alloc.cold.118+0xb7/0x1bd [ 293.336674] 0 2815 [ 293.341886] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.344961] 6318 6318 [ 293.349297] ? lock_downgrade+0x900/0x900 [ 293.356356] ? trace_hardirqs_off+0xb8/0x300 [ 293.358836] Node 0 [ 293.363000] ? trace_hardirqs_off+0xb8/0x300 [ 293.367404] DMA32 free:25280kB 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 [ 293.369630] __alloc_pages_slowpath+0x2667/0x2d80 [ 293.374010] lowmem_reserve[]: 0 [ 293.401059] ? warn_alloc+0x120/0x120 [ 293.405863] 0 [ 293.409144] ? trace_hardirqs_on+0x310/0x310 [ 293.412916] 3503 3503 [ 293.414726] ? warn_alloc+0x120/0x120 [ 293.419109] Node 0 [ 293.421615] ? print_usage_bug+0xc0/0xc0 [ 293.425416] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 293.427637] ? warn_alloc+0x120/0x120 [ 293.431668] lowmem_reserve[]: 0 [ 293.460050] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 293.463824] 0 [ 293.467104] ? print_usage_bug+0xc0/0xc0 [ 293.472095] 0 [ 293.473894] ? __lock_acquire+0x7ec/0x4ec0 [ 293.477924] 0 [ 293.479730] ? __lock_acquire+0x7ec/0x4ec0 [ 293.483943] Node 0 [ 293.485756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.489962] DMA: [ 293.492207] ? should_fail+0x22d/0xd01 [ 293.497722] 1*4kB [ 293.499781] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.503653] (U) [ 293.505801] ? __lock_acquire+0x7ec/0x4ec0 [ 293.510883] 0*8kB [ 293.512859] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.517070] 0*16kB [ 293.519219] ? __lock_acquire+0x7ec/0x4ec0 [ 293.524298] 1*32kB [ 293.526533] ? should_fail+0x22d/0xd01 [ 293.530741] (U) [ 293.532987] ? print_usage_bug+0xc0/0xc0 [ 293.536850] 2*64kB [ 293.538830] ? mark_held_locks+0x130/0x130 [ 293.542863] (U) [ 293.545099] ? mark_held_locks+0x130/0x130 [ 293.549312] 1*128kB [ 293.551291] ? graph_lock+0x170/0x170 [ 293.555492] (U) 1*256kB [ 293.557823] ? print_usage_bug+0xc0/0xc0 [ 293.561606] (U) [ 293.564276] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.568316] 0*512kB [ 293.570290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.575029] 1*1024kB [ 293.577346] ? check_preemption_disabled+0x48/0x200 [ 293.582860] (U) [ 293.585354] ? check_preemption_disabled+0x48/0x200 [ 293.590343] 1*2048kB (M) [ 293.592333] ? __lock_is_held+0xb5/0x140 [ 293.597314] 3*4096kB (M) [ 293.600095] __alloc_pages_nodemask+0xa80/0xde0 [ 293.604148] = 15908kB [ 293.606905] ? graph_lock+0x170/0x170 [ 293.611550] Node 0 [ 293.613960] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 293.617730] DMA32: 4*4kB [ 293.619982] ? graph_lock+0x170/0x170 [ 293.624971] (UM) [ 293.627736] ? find_held_lock+0x36/0x1c0 [ 293.631509] 2*8kB [ 293.633575] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.637605] (M) [ 293.639754] ? lock_downgrade+0x900/0x900 [ 293.644403] 2*16kB [ 293.646384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.650507] (UM) [ 293.652743] cache_grow_begin+0x91/0x8c0 [ 293.658258] 2*32kB (UM) [ 293.660334] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.664366] 3*64kB (UM) [ 293.667057] fallback_alloc+0x203/0x2e0 [ 293.671434] 3*128kB (M) [ 293.674129] ____cache_alloc_node+0x1c7/0x1e0 [ 293.678078] 2*256kB [ 293.680749] kmem_cache_alloc_node+0xe3/0x730 [ 293.685220] (M) [ 293.687541] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.692016] 3*512kB [ 293.694001] __alloc_skb+0x119/0x770 [ 293.698199] (M) 4*1024kB [ 293.700535] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.704225] (UM) [ 293.707012] ? skb_scrub_packet+0x490/0x490 [ 293.712272] 3*2048kB [ 293.714333] ? lock_downgrade+0x900/0x900 [ 293.718629] (UM) [ 293.721039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.725153] 3*4096kB (M) [ 293.727231] ? refcount_sub_and_test_checked+0x203/0x310 [ 293.732750] = 25280kB [ 293.732759] Node 0 [ 293.735518] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 293.740942] Normal: [ 293.743352] ? addrconf_rs_timer+0x6f0/0x6f0 [ 293.745565] 876*4kB [ 293.751025] ndisc_alloc_skb+0x144/0x340 [ 293.753323] (UME) [ 293.757732] ndisc_send_rs+0x331/0x6e0 [ 293.760034] 393*8kB [ 293.764107] addrconf_rs_timer+0x3c0/0x6f0 [ 293.766230] (UMEH) [ 293.770116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.772414] 183*16kB (UMEH) [ 293.776664] call_timer_fn+0x272/0x920 [ 293.778865] 70*32kB (UMEH) [ 293.783109] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.786104] 13*64kB [ 293.789992] ? process_timeout+0x40/0x40 [ 293.792902] (UMH) [ 293.797136] ? find_held_lock+0x36/0x1c0 [ 293.799431] 3*128kB (UH) [ 293.803505] ? __run_timers+0x7da/0xc70 [ 293.805637] 3*256kB [ 293.809692] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.812441] (H) [ 293.816426] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.818727] 0*512kB 0*1024kB [ 293.823237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.825192] 0*2048kB [ 293.829682] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 293.832760] 0*4096kB = 13800kB [ 293.837012] ? trace_hardirqs_on+0xbd/0x310 [ 293.839407] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 293.843970] ? kasan_check_read+0x11/0x20 [ 293.847170] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 293.851525] ? __run_timers+0x7da/0xc70 [ 293.860336] 410 total pagecache pages [ 293.864480] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.873045] 0 pages in swap cache [ 293.877018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.880799] Swap cache stats: add 0, delete 0, find 0/0 [ 293.880809] Free swap = 0kB [ 293.886258] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.889685] Total swap = 0kB [ 293.889694] 1965979 pages RAM [ 293.893951] __run_timers+0x7e5/0xc70 [ 293.899286] 0 pages HighMem/MovableOnly [ 293.899295] 343323 pages reserved [ 293.902336] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 293.906547] 0 pages cma reserved [ 293.906638] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 293.909599] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 293.909627] ? graph_lock+0x170/0x170 [ 293.909644] ? enqueue_hrtimer+0x1a5/0x560 [ 293.912804] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 293.916558] ? lock_release+0x970/0x970 [ 293.920521] kworker/0:1 cpuset= [ 293.923981] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 293.929315] / [ 293.932683] ? find_held_lock+0x36/0x1c0 [ 293.939154] mems_allowed=0 [ 293.944171] ? graph_lock+0x170/0x170 [ 293.987467] ? pvclock_read_flags+0x160/0x160 [ 293.991987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.997534] ? check_preemption_disabled+0x48/0x200 [ 294.002569] ? __lock_is_held+0xb5/0x140 [ 294.006646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.012201] ? check_preemption_disabled+0x48/0x200 [ 294.017228] run_timer_softirq+0x52/0xb0 [ 294.021296] ? rcu_read_lock_sched_held+0x108/0x120 [ 294.026569] __do_softirq+0x30b/0xad8 [ 294.030390] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 294.035535] ? pvclock_read_flags+0x160/0x160 [ 294.040044] ? lapic_next_event+0x5a/0x90 [ 294.044197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.049740] ? check_preemption_disabled+0x48/0x200 [ 294.054761] ? check_preemption_disabled+0x48/0x200 [ 294.059787] ? kvm_clock_read+0x18/0x30 [ 294.063766] ? kvm_sched_clock_read+0x9/0x20 [ 294.068179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.073734] ? check_preemption_disabled+0x48/0x200 [ 294.078788] irq_exit+0x17f/0x1c0 [ 294.082251] smp_apic_timer_interrupt+0x1cb/0x760 [ 294.087095] ? smp_reschedule_interrupt+0x109/0x650 [ 294.092114] ? smp_call_function_single_interrupt+0x650/0x650 [ 294.098003] ? interrupt_entry+0xb5/0xf0 [ 294.102068] ? trace_hardirqs_off_caller+0xbb/0x300 [ 294.107085] ? trace_hardirqs_off_caller+0xbb/0x300 [ 294.112109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.116977] ? trace_hardirqs_off+0x300/0x300 [ 294.121493] ? trace_hardirqs_off+0x300/0x300 [ 294.126000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.131545] ? check_preemption_disabled+0x48/0x200 [ 294.136852] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.141719] apic_timer_interrupt+0xf/0x20 [ 294.145953] [ 294.148211] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 294.153142] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 294.172048] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 294.179761] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 294.187032] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 294.194303] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 294.201595] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 294.208893] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 294.216210] skb_clone+0x1bb/0x500 [ 294.219754] ? skb_split+0x11e0/0x11e0 [ 294.223676] ? preempt_notifier_register+0x200/0x200 [ 294.228783] ? __switch_to_asm+0x34/0x70 [ 294.232847] ? __switch_to_asm+0x34/0x70 [ 294.236907] ? __switch_to_asm+0x40/0x70 [ 294.240979] ? __switch_to_asm+0x34/0x70 [ 294.245044] ? __switch_to_asm+0x40/0x70 [ 294.249108] ? __switch_to_asm+0x40/0x70 [ 294.253167] ? __switch_to_asm+0x34/0x70 [ 294.257234] ? __switch_to_asm+0x34/0x70 [ 294.261299] ? __switch_to_asm+0x40/0x70 [ 294.265364] ? __switch_to_asm+0x34/0x70 [ 294.269440] bpf_clone_redirect+0xb9/0x490 [ 294.273691] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 294.278718] ? __sched_text_start+0x8/0x8 [ 294.282871] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.287654] ? find_held_lock+0x36/0x1c0 [ 294.291747] ? lock_acquire+0x1ed/0x520 [ 294.295746] ? bpf_test_run+0x32e/0x5a0 [ 294.299725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.305266] ? check_preemption_disabled+0x48/0x200 [ 294.310289] ? kasan_check_read+0x11/0x20 [ 294.314444] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.319723] ? rcu_bh_qs+0xc0/0xc0 [ 294.323293] ? preempt_schedule+0x4d/0x60 [ 294.327445] ? ___preempt_schedule+0x16/0x18 [ 294.331862] ? bpf_test_run+0x1c0/0x5a0 [ 294.335851] ? netlink_diag_dump+0x2a0/0x2a0 [ 294.340283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.345823] ? bpf_test_init.isra.9+0x70/0x100 [ 294.350413] ? bpf_prog_test_run_skb+0x634/0xb40 [ 294.355195] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 294.360045] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 294.365597] ? fput+0x130/0x1a0 [ 294.368895] ? __bpf_prog_get+0x9b/0x290 [ 294.372960] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 294.377812] ? bpf_prog_test_run+0x130/0x1a0 [ 294.382251] ? __x64_sys_bpf+0x3d8/0x510 [ 294.386313] ? bpf_prog_get+0x20/0x20 [ 294.390128] ? ksys_ioctl+0x81/0xd0 [ 294.393782] ? do_syscall_64+0x1b9/0x820 [ 294.397869] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 294.403241] ? syscall_return_slowpath+0x5e0/0x5e0 [ 294.408173] ? trace_hardirqs_off+0x300/0x300 [ 294.412687] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 294.417707] ? recalc_sigpending_tsk+0x180/0x180 [ 294.422483] ? kasan_check_write+0x14/0x20 [ 294.426729] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.431581] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 294.436981] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 294.437075] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.443851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.443875] Workqueue: (null) [ 294.450497] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.459694] (events) [ 294.463744] syz-executor1 cpuset= [ 294.474218] Call Trace: [ 294.476618] syz1 [ 294.480059] [ 294.482634] mems_allowed=0 [ 294.484618] dump_stack+0x1c4/0x2b4 [ 294.493323] ? dump_stack_print_info.cold.2+0x52/0x52 [ 294.498544] warn_alloc.cold.118+0xb7/0x1bd [ 294.502871] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.507721] ? lock_downgrade+0x900/0x900 [ 294.511881] ? trace_hardirqs_off+0xb8/0x300 [ 294.516298] ? trace_hardirqs_off+0xb8/0x300 [ 294.520717] __alloc_pages_slowpath+0x2667/0x2d80 [ 294.525590] ? warn_alloc+0x120/0x120 [ 294.529415] ? warn_alloc+0x120/0x120 [ 294.533230] ? print_usage_bug+0xc0/0xc0 [ 294.537293] ? warn_alloc+0x120/0x120 [ 294.541098] ? print_usage_bug+0xc0/0xc0 [ 294.545169] ? __lock_acquire+0x7ec/0x4ec0 [ 294.549403] ? __lock_acquire+0x7ec/0x4ec0 [ 294.553644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.559182] ? should_fail+0x22d/0xd01 [ 294.563076] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.568180] ? __lock_acquire+0x7ec/0x4ec0 [ 294.572425] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.577532] ? __lock_acquire+0x7ec/0x4ec0 [ 294.581766] ? should_fail+0x22d/0xd01 [ 294.585665] ? mark_held_locks+0x130/0x130 [ 294.589908] ? mark_held_locks+0x130/0x130 [ 294.594152] ? graph_lock+0x170/0x170 [ 294.597981] ? graph_lock+0x170/0x170 [ 294.601809] ? graph_lock+0x170/0x170 [ 294.605664] ? print_usage_bug+0xc0/0xc0 [ 294.609730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.615268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.620805] ? check_preemption_disabled+0x48/0x200 [ 294.625824] ? check_preemption_disabled+0x48/0x200 [ 294.630876] ? __lock_is_held+0xb5/0x140 [ 294.634950] __alloc_pages_nodemask+0xa80/0xde0 [ 294.639632] ? graph_lock+0x170/0x170 [ 294.643443] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.648462] ? graph_lock+0x170/0x170 [ 294.652281] ? find_held_lock+0x36/0x1c0 [ 294.656360] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.661036] ? lock_downgrade+0x900/0x900 [ 294.665196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.670744] cache_grow_begin+0x91/0x8c0 [ 294.674811] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.679233] fallback_alloc+0x203/0x2e0 [ 294.683215] ____cache_alloc_node+0x1c7/0x1e0 [ 294.687719] kmem_cache_alloc_node+0xe3/0x730 [ 294.692216] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.696465] __alloc_skb+0x119/0x770 [ 294.700194] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.705477] ? skb_scrub_packet+0x490/0x490 [ 294.709802] ? lock_downgrade+0x900/0x900 [ 294.713963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.719510] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.724971] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.730433] ? addrconf_rs_timer+0x6f0/0x6f0 [ 294.734862] ndisc_alloc_skb+0x144/0x340 [ 294.738934] ndisc_send_rs+0x331/0x6e0 [ 294.742848] addrconf_rs_timer+0x3c0/0x6f0 [ 294.747091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.751346] call_timer_fn+0x272/0x920 [ 294.755237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.759486] ? process_timeout+0x40/0x40 [ 294.763549] ? find_held_lock+0x36/0x1c0 [ 294.767663] ? __run_timers+0x7da/0xc70 [ 294.771651] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.776155] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.780660] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.784899] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 294.789506] ? trace_hardirqs_on+0xbd/0x310 [ 294.793834] ? kasan_check_read+0x11/0x20 [ 294.797985] ? __run_timers+0x7da/0xc70 [ 294.801983] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.807447] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.811692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.815931] __run_timers+0x7e5/0xc70 [ 294.819746] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 294.825113] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 294.830133] ? graph_lock+0x170/0x170 [ 294.833943] ? enqueue_hrtimer+0x1a5/0x560 [ 294.838177] ? lock_release+0x970/0x970 [ 294.842157] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 294.847358] ? find_held_lock+0x36/0x1c0 [ 294.851444] ? pvclock_read_flags+0x160/0x160 [ 294.855944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.861482] ? check_preemption_disabled+0x48/0x200 [ 294.866509] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 294.872062] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.877346] ? rcu_pm_notify+0xc0/0xc0 [ 294.881239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.886779] ? check_preemption_disabled+0x48/0x200 [ 294.891807] run_timer_softirq+0x52/0xb0 [ 294.895869] ? rcu_read_lock_sched_held+0x108/0x120 [ 294.900891] __do_softirq+0x30b/0xad8 [ 294.904706] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 294.909838] ? pvclock_read_flags+0x160/0x160 [ 294.914334] ? lapic_next_event+0x5a/0x90 [ 294.918483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.924024] ? check_preemption_disabled+0x48/0x200 [ 294.929038] ? check_preemption_disabled+0x48/0x200 [ 294.934061] ? kvm_clock_read+0x18/0x30 [ 294.938040] ? kvm_sched_clock_read+0x9/0x20 [ 294.942457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.948013] ? check_preemption_disabled+0x48/0x200 [ 294.953064] irq_exit+0x17f/0x1c0 [ 294.956538] smp_apic_timer_interrupt+0x1cb/0x760 [ 294.961382] ? smp_call_function_single_interrupt+0x650/0x650 [ 294.967269] ? interrupt_entry+0xb5/0xf0 [ 294.971336] ? trace_hardirqs_off_caller+0xbb/0x300 [ 294.976351] ? trace_hardirqs_off_caller+0xbb/0x300 [ 294.981373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.986222] ? trace_hardirqs_off+0x300/0x300 [ 294.990718] ? trace_hardirqs_off+0x300/0x300 [ 294.995221] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.000761] ? check_preemption_disabled+0x48/0x200 [ 295.005806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.011360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.016218] apic_timer_interrupt+0xf/0x20 [ 295.020464] [ 295.022733] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 295.027841] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 295.046753] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 295.054472] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 295.061743] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 295.069031] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 295.076311] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 295.083580] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 295.090887] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.095415] finish_task_switch+0x1f5/0x900 [ 295.099736] ? finish_task_switch+0x1b5/0x900 [ 295.104237] ? __switch_to_asm+0x34/0x70 [ 295.108389] ? preempt_notifier_register+0x200/0x200 [ 295.113491] ? __switch_to_asm+0x34/0x70 [ 295.117560] ? __switch_to_asm+0x34/0x70 [ 295.121620] ? __switch_to_asm+0x40/0x70 [ 295.125682] ? __switch_to_asm+0x34/0x70 [ 295.129741] ? __switch_to_asm+0x40/0x70 [ 295.133811] ? __switch_to_asm+0x34/0x70 [ 295.137872] ? __switch_to_asm+0x40/0x70 [ 295.141934] ? __switch_to_asm+0x34/0x70 [ 295.146000] ? __switch_to_asm+0x40/0x70 [ 295.150060] ? __switch_to_asm+0x34/0x70 [ 295.154122] ? __switch_to_asm+0x40/0x70 [ 295.158187] ? __switch_to_asm+0x34/0x70 [ 295.162250] ? __switch_to_asm+0x40/0x70 [ 295.166310] ? __switch_to_asm+0x34/0x70 [ 295.170371] ? __switch_to_asm+0x40/0x70 [ 295.174442] __schedule+0x874/0x1ed0 [ 295.178159] ? lockdep_hardirqs_on+0x421/0x5c0 [ 295.182756] ? __sched_text_start+0x8/0x8 [ 295.186911] ? graph_lock+0x170/0x170 [ 295.190727] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 295.195490] ? lockdep_hardirqs_on+0x421/0x5c0 [ 295.200073] ? retint_kernel+0x2d/0x2d [ 295.203970] ? find_held_lock+0x36/0x1c0 [ 295.208056] schedule+0xfe/0x460 [ 295.211429] ? __schedule+0x1ed0/0x1ed0 [ 295.215408] ? lockdep_hardirqs_on+0x421/0x5c0 [ 295.220030] ? trace_hardirqs_on+0xbd/0x310 [ 295.224364] ? kasan_check_read+0x11/0x20 [ 295.228513] ? worker_thread+0x3ca/0x1390 [ 295.232667] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.238120] ? kasan_check_write+0x14/0x20 [ 295.242359] ? do_raw_spin_lock+0xc1/0x200 [ 295.246602] worker_thread+0x3cf/0x1390 [ 295.250580] ? __switch_to_asm+0x34/0x70 [ 295.254657] ? process_one_work+0x1b90/0x1b90 [ 295.259165] ? graph_lock+0x170/0x170 [ 295.262973] ? __sched_text_start+0x8/0x8 [ 295.267144] ? find_held_lock+0x36/0x1c0 [ 295.271217] ? __kthread_parkme+0xce/0x1a0 [ 295.275455] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 295.280577] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 295.285680] ? lockdep_hardirqs_on+0x421/0x5c0 [ 295.290268] ? trace_hardirqs_on+0xbd/0x310 [ 295.294589] ? kasan_check_read+0x11/0x20 [ 295.298737] ? __kthread_parkme+0xce/0x1a0 [ 295.302976] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.308473] ? kasan_check_write+0x14/0x20 [ 295.312709] ? do_raw_spin_lock+0xc1/0x200 [ 295.316950] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 295.322059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.327604] ? __kthread_parkme+0xfb/0x1a0 [ 295.331844] kthread+0x35a/0x420 [ 295.335224] ? process_one_work+0x1b90/0x1b90 [ 295.339731] ? kthread_bind+0x40/0x40 [ 295.343535] ret_from_fork+0x3a/0x50 [ 295.347264] warn_alloc_show_mem: 1 callbacks suppressed [ 295.347277] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 295.347279] Mem-Info: [ 295.347310] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 295.347310] active_file:13 inactive_file:18 isolated_file:0 [ 295.347310] unevictable:0 dirty:0 writeback:0 unstable:0 [ 295.347310] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 295.347310] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 295.347310] free:13747 free_pcp:307 free_cma:0 [ 295.352646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.352655] Call Trace: [ 295.359848] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 295.362247] [ 295.395122] Node 0 [ 295.404480] dump_stack+0x1c4/0x2b4 [ 295.407079] 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 [ 295.434729] ? dump_stack_print_info.cold.2+0x52/0x52 [ 295.436855] lowmem_reserve[]: [ 295.439098] warn_alloc.cold.118+0xb7/0x1bd [ 295.442692] 0 [ 295.468204] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.473372] 2815 [ 295.476476] ? lock_downgrade+0x900/0x900 [ 295.480773] 6318 [ 295.482576] ? trace_hardirqs_off+0xb8/0x300 [ 295.487391] 6318 [ 295.489453] ? trace_hardirqs_off+0xb8/0x300 [ 295.495634] __alloc_pages_slowpath+0x2667/0x2d80 [ 295.500026] Node 0 [ 295.502120] ? warn_alloc+0x120/0x120 [ 295.506506] DMA32 free:25280kB 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 [ 295.511328] ? trace_hardirqs_on+0x310/0x310 [ 295.513533] lowmem_reserve[]: 0 [ 295.517344] ? warn_alloc+0x120/0x120 [ 295.544303] 0 [ 295.548713] ? print_usage_bug+0xc0/0xc0 [ 295.551957] 3503 3503 [ 295.555768] ? warn_alloc+0x120/0x120 [ 295.557554] Node 0 [ 295.561615] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 295.564115] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 295.567889] ? print_usage_bug+0xc0/0xc0 [ 295.570102] lowmem_reserve[]: [ 295.575126] ? __lock_acquire+0x7ec/0x4ec0 [ 295.603648] 0 0 [ 295.607718] ? __lock_acquire+0x7ec/0x4ec0 [ 295.610800] 0 [ 295.615067] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.617018] 0 [ 295.621253] ? should_fail+0x22d/0xd01 [ 295.628569] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.630351] Node 0 [ 295.634285] ? __lock_acquire+0x7ec/0x4ec0 [ 295.639358] DMA: 1*4kB [ 295.641607] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.645813] (U) [ 295.648395] ? __lock_acquire+0x7ec/0x4ec0 [ 295.653495] 0*8kB 0*16kB [ 295.655484] ? should_fail+0x22d/0xd01 [ 295.659694] 1*32kB [ 295.662450] ? print_usage_bug+0xc0/0xc0 [ 295.666325] (U) [ 295.668585] ? mark_held_locks+0x130/0x130 [ 295.672606] 2*64kB (U) [ 295.674592] ? mark_held_locks+0x130/0x130 [ 295.678799] 1*128kB (U) [ 295.681396] ? graph_lock+0x170/0x170 [ 295.685598] 1*256kB (U) [ 295.688277] ? print_usage_bug+0xc0/0xc0 [ 295.692055] 0*512kB [ 295.694738] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 295.698772] 1*1024kB [ 295.701101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.705831] (U) [ 295.708244] ? check_preemption_disabled+0x48/0x200 [ 295.713750] 1*2048kB (M) [ 295.715735] ? check_preemption_disabled+0x48/0x200 [ 295.720725] 3*4096kB (M) [ 295.723506] ? __lock_is_held+0xb5/0x140 [ 295.728536] = 15908kB [ 295.731306] __alloc_pages_nodemask+0xa80/0xde0 [ 295.735338] Node 0 [ 295.737775] ? graph_lock+0x170/0x170 [ 295.742430] DMA32: [ 295.744666] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 295.748456] 4*4kB [ 295.750721] ? graph_lock+0x170/0x170 [ 295.755724] (UM) [ 295.757894] ? find_held_lock+0x36/0x1c0 [ 295.761658] 2*8kB (M) [ 295.763733] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.767766] 2*16kB [ 295.770266] ? lock_downgrade+0x900/0x900 [ 295.774908] (UM) [ 295.777149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.781268] 2*32kB [ 295.783344] cache_grow_begin+0x91/0x8c0 [ 295.788847] (UM) 3*64kB [ 295.791098] ? do_raw_spin_unlock+0xa7/0x2f0 [ 295.795134] (UM) [ 295.797811] fallback_alloc+0x203/0x2e0 [ 295.802192] 3*128kB [ 295.804257] ____cache_alloc_node+0x1c7/0x1e0 [ 295.808202] (M) [ 295.810545] kmem_cache_alloc_node+0xe3/0x730 [ 295.815015] 2*256kB [ 295.816997] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.821463] (M) 3*512kB [ 295.823815] __alloc_skb+0x119/0x770 [ 295.828011] (M) 4*1024kB [ 295.830707] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.834406] (UM) [ 295.837163] ? skb_scrub_packet+0x490/0x490 [ 295.842412] 3*2048kB (UM) [ 295.844515] ? lock_downgrade+0x900/0x900 [ 295.848805] 3*4096kB (M) [ 295.851673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.855790] = 25280kB [ 295.858563] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.864098] Node 0 [ 295.866527] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.871948] Normal: 876*4kB [ 295.874212] ? addrconf_rs_timer+0x6f0/0x6f0 [ 295.879631] (UME) [ 295.882667] ndisc_alloc_skb+0x144/0x340 [ 295.887041] 393*8kB [ 295.889193] ndisc_send_rs+0x331/0x6e0 [ 295.893225] (UMEH) 183*16kB [ 295.895568] addrconf_rs_timer+0x3c0/0x6f0 [ 295.899426] (UMEH) [ 295.902448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.906645] 70*32kB (UMEH) [ 295.908937] call_timer_fn+0x272/0x920 [ 295.913139] 13*64kB [ 295.916070] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.919931] (UMH) [ 295.922252] ? process_timeout+0x40/0x40 [ 295.926464] 3*128kB [ 295.928619] ? find_held_lock+0x36/0x1c0 [ 295.932654] (UH) [ 295.934992] ? __run_timers+0x7da/0xc70 [ 295.939020] 3*256kB [ 295.941084] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.945034] (H) [ 295.947357] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.951833] 0*512kB [ 295.953807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.958279] 0*1024kB [ 295.960605] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 295.964811] 0*2048kB 0*4096kB [ 295.967228] ? trace_hardirqs_on+0xbd/0x310 [ 295.971784] = 13800kB [ 295.974980] ? kasan_check_read+0x11/0x20 [ 295.979286] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 295.981693] ? __run_timers+0x7da/0xc70 [ 295.985829] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 295.994661] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.998628] 410 total pagecache pages [ 296.007203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.012635] 0 pages in swap cache [ 296.016424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.020640] Swap cache stats: add 0, delete 0, find 0/0 [ 296.024090] __run_timers+0x7e5/0xc70 [ 296.028804] Free swap = 0kB [ 296.028826] Total swap = 0kB [ 296.034211] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 296.037984] 1965979 pages RAM [ 296.041011] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.044034] 0 pages HighMem/MovableOnly [ 296.049393] ? graph_lock+0x170/0x170 [ 296.052481] 343323 pages reserved [ 296.057498] ? enqueue_hrtimer+0x1a5/0x560 [ 296.061446] 0 pages cma reserved [ 296.065234] ? lock_release+0x970/0x970 [ 296.065250] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.068745] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.072921] ? find_held_lock+0x36/0x1c0 [ 296.076319] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.080231] ? graph_lock+0x170/0x170 [ 296.085399] kworker/0:1 cpuset= [ 296.091884] ? pvclock_read_flags+0x160/0x160 [ 296.095931] / [ 296.106240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.110021] mems_allowed=0 [ 296.113299] ? check_preemption_disabled+0x48/0x200 [ 296.132954] ? __lock_is_held+0xb5/0x140 [ 296.137542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.143079] ? check_preemption_disabled+0x48/0x200 [ 296.148109] run_timer_softirq+0x52/0xb0 [ 296.152173] ? rcu_read_lock_sched_held+0x108/0x120 [ 296.157192] __do_softirq+0x30b/0xad8 [ 296.161024] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 296.166154] ? pvclock_read_flags+0x160/0x160 [ 296.170663] ? lapic_next_event+0x5a/0x90 [ 296.174813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.180352] ? check_preemption_disabled+0x48/0x200 [ 296.185391] ? check_preemption_disabled+0x48/0x200 [ 296.190426] ? kvm_clock_read+0x18/0x30 [ 296.194402] ? kvm_sched_clock_read+0x9/0x20 [ 296.198814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.204353] ? check_preemption_disabled+0x48/0x200 [ 296.209394] irq_exit+0x17f/0x1c0 [ 296.212859] smp_apic_timer_interrupt+0x1cb/0x760 [ 296.217706] ? smp_reschedule_interrupt+0x109/0x650 [ 296.222724] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.228615] ? interrupt_entry+0xb5/0xf0 [ 296.232680] ? trace_hardirqs_off_caller+0xbb/0x300 [ 296.237702] ? trace_hardirqs_off_caller+0xbb/0x300 [ 296.242720] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.247563] ? trace_hardirqs_off+0x300/0x300 [ 296.252056] ? trace_hardirqs_off+0x300/0x300 [ 296.256554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.262104] ? check_preemption_disabled+0x48/0x200 [ 296.267132] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.271992] apic_timer_interrupt+0xf/0x20 [ 296.276233] [ 296.278475] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 296.283415] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 296.302313] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 296.310046] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 296.317313] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 296.324598] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 296.331864] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 296.339135] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 296.346447] skb_clone+0x1bb/0x500 [ 296.350000] ? skb_split+0x11e0/0x11e0 [ 296.353896] ? preempt_notifier_register+0x200/0x200 [ 296.359011] ? __switch_to_asm+0x34/0x70 [ 296.363072] ? __switch_to_asm+0x34/0x70 [ 296.367132] ? __switch_to_asm+0x40/0x70 [ 296.371191] ? __switch_to_asm+0x34/0x70 [ 296.375258] ? __switch_to_asm+0x40/0x70 [ 296.379320] ? __switch_to_asm+0x40/0x70 [ 296.383398] ? __switch_to_asm+0x34/0x70 [ 296.387458] ? __switch_to_asm+0x34/0x70 [ 296.391523] ? __switch_to_asm+0x40/0x70 [ 296.395598] ? __switch_to_asm+0x34/0x70 [ 296.399670] bpf_clone_redirect+0xb9/0x490 [ 296.403917] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 296.408939] ? __sched_text_start+0x8/0x8 [ 296.413104] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 296.417874] ? find_held_lock+0x36/0x1c0 [ 296.421943] ? lock_acquire+0x1ed/0x520 [ 296.425923] ? bpf_test_run+0x32e/0x5a0 [ 296.429906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.435447] ? check_preemption_disabled+0x48/0x200 [ 296.440514] ? kasan_check_read+0x11/0x20 [ 296.444665] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.449941] ? rcu_bh_qs+0xc0/0xc0 [ 296.453506] ? preempt_schedule+0x4d/0x60 [ 296.457658] ? ___preempt_schedule+0x16/0x18 [ 296.462075] ? bpf_test_run+0x1c0/0x5a0 [ 296.466067] ? netlink_diag_dump+0x2a0/0x2a0 [ 296.470500] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.476043] ? bpf_test_init.isra.9+0x70/0x100 [ 296.480634] ? bpf_prog_test_run_skb+0x634/0xb40 [ 296.485403] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 296.490256] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.495797] ? fput+0x130/0x1a0 [ 296.499080] ? __bpf_prog_get+0x9b/0x290 [ 296.503148] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 296.507997] ? bpf_prog_test_run+0x130/0x1a0 [ 296.512427] ? __x64_sys_bpf+0x3d8/0x510 [ 296.516496] ? bpf_prog_get+0x20/0x20 [ 296.520310] ? ksys_ioctl+0x81/0xd0 [ 296.523949] ? do_syscall_64+0x1b9/0x820 [ 296.528021] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 296.533396] ? syscall_return_slowpath+0x5e0/0x5e0 [ 296.538343] ? trace_hardirqs_off+0x300/0x300 [ 296.542847] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 296.547864] ? recalc_sigpending_tsk+0x180/0x180 [ 296.552621] ? kasan_check_write+0x14/0x20 [ 296.556863] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.561716] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 296.567100] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 296.567177] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.573950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.573974] Workqueue: (null) [ 296.580554] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.589803] (events) [ 296.593851] syz-executor1 cpuset= [ 296.604321] Call Trace: [ 296.606718] syz1 [ 296.610158] [ 296.612759] mems_allowed=0 [ 296.614736] dump_stack+0x1c4/0x2b4 [ 296.623400] ? dump_stack_print_info.cold.2+0x52/0x52 [ 296.628609] warn_alloc.cold.118+0xb7/0x1bd [ 296.632932] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.637782] ? lock_downgrade+0x900/0x900 [ 296.641943] ? trace_hardirqs_off+0xb8/0x300 [ 296.646358] ? trace_hardirqs_off+0xb8/0x300 [ 296.650780] __alloc_pages_slowpath+0x2667/0x2d80 [ 296.655657] ? warn_alloc+0x120/0x120 [ 296.659468] ? warn_alloc+0x120/0x120 [ 296.663273] ? print_usage_bug+0xc0/0xc0 [ 296.667338] ? warn_alloc+0x120/0x120 [ 296.671140] ? print_usage_bug+0xc0/0xc0 [ 296.675205] ? __lock_acquire+0x7ec/0x4ec0 [ 296.679441] ? __lock_acquire+0x7ec/0x4ec0 [ 296.683680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.689224] ? should_fail+0x22d/0xd01 [ 296.693121] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.698231] ? __lock_acquire+0x7ec/0x4ec0 [ 296.702473] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.707576] ? __lock_acquire+0x7ec/0x4ec0 [ 296.711819] ? should_fail+0x22d/0xd01 [ 296.715720] ? mark_held_locks+0x130/0x130 [ 296.719961] ? mark_held_locks+0x130/0x130 [ 296.724200] ? graph_lock+0x170/0x170 [ 296.728011] ? graph_lock+0x170/0x170 [ 296.731822] ? graph_lock+0x170/0x170 [ 296.735633] ? print_usage_bug+0xc0/0xc0 [ 296.739697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.745247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.750784] ? check_preemption_disabled+0x48/0x200 [ 296.755805] ? check_preemption_disabled+0x48/0x200 [ 296.760947] ? __lock_is_held+0xb5/0x140 [ 296.765022] __alloc_pages_nodemask+0xa80/0xde0 [ 296.769698] ? graph_lock+0x170/0x170 [ 296.773543] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 296.778574] ? graph_lock+0x170/0x170 [ 296.782401] ? find_held_lock+0x36/0x1c0 [ 296.786471] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.791143] ? lock_downgrade+0x900/0x900 [ 296.795303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.800847] cache_grow_begin+0x91/0x8c0 [ 296.804916] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.809335] fallback_alloc+0x203/0x2e0 [ 296.813331] ____cache_alloc_node+0x1c7/0x1e0 [ 296.817841] kmem_cache_alloc_node+0xe3/0x730 [ 296.822353] ? ipv6_get_ifaddr+0x42e/0x620 [ 296.826605] __alloc_skb+0x119/0x770 [ 296.830351] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.835659] ? skb_scrub_packet+0x490/0x490 [ 296.839986] ? lock_downgrade+0x900/0x900 [ 296.844153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.849697] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.855154] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.860609] ? addrconf_rs_timer+0x6f0/0x6f0 [ 296.865078] ndisc_alloc_skb+0x144/0x340 [ 296.869166] ndisc_send_rs+0x331/0x6e0 [ 296.873062] addrconf_rs_timer+0x3c0/0x6f0 [ 296.877305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.881556] call_timer_fn+0x272/0x920 [ 296.885450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.889713] ? process_timeout+0x40/0x40 [ 296.893808] ? find_held_lock+0x36/0x1c0 [ 296.897881] ? __run_timers+0x7da/0xc70 [ 296.901878] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.906379] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.910875] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.915112] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 296.919700] ? trace_hardirqs_on+0xbd/0x310 [ 296.924027] ? kasan_check_read+0x11/0x20 [ 296.928178] ? __run_timers+0x7da/0xc70 [ 296.932156] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.937615] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.941863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.946106] __run_timers+0x7e5/0xc70 [ 296.949931] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 296.955305] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.960357] ? graph_lock+0x170/0x170 [ 296.964190] ? enqueue_hrtimer+0x1a5/0x560 [ 296.968430] ? lock_release+0x970/0x970 [ 296.972416] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.977631] ? find_held_lock+0x36/0x1c0 [ 296.981724] ? pvclock_read_flags+0x160/0x160 [ 296.986226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.991767] ? check_preemption_disabled+0x48/0x200 [ 296.996797] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 297.002343] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.007628] ? rcu_pm_notify+0xc0/0xc0 [ 297.011530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.017069] ? check_preemption_disabled+0x48/0x200 [ 297.022188] run_timer_softirq+0x52/0xb0 [ 297.026256] ? rcu_read_lock_sched_held+0x108/0x120 [ 297.031283] __do_softirq+0x30b/0xad8 [ 297.035291] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 297.040413] ? pvclock_read_flags+0x160/0x160 [ 297.044916] ? lapic_next_event+0x5a/0x90 [ 297.049069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.054611] ? check_preemption_disabled+0x48/0x200 [ 297.059632] ? check_preemption_disabled+0x48/0x200 [ 297.064659] ? kvm_clock_read+0x18/0x30 [ 297.068637] ? kvm_sched_clock_read+0x9/0x20 [ 297.073053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.078593] ? check_preemption_disabled+0x48/0x200 [ 297.083626] irq_exit+0x17f/0x1c0 [ 297.087086] smp_apic_timer_interrupt+0x1cb/0x760 [ 297.091938] ? smp_call_function_single_interrupt+0x650/0x650 [ 297.097826] ? interrupt_entry+0xb5/0xf0 [ 297.101895] ? trace_hardirqs_off_caller+0xbb/0x300 [ 297.106916] ? trace_hardirqs_off_caller+0xbb/0x300 [ 297.111943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.116795] ? trace_hardirqs_off+0x300/0x300 [ 297.121297] ? trace_hardirqs_off+0x300/0x300 [ 297.125801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.131360] ? check_preemption_disabled+0x48/0x200 [ 297.136378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.141934] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.146799] apic_timer_interrupt+0xf/0x20 [ 297.151055] [ 297.153305] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 297.158438] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 297.177340] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 297.185053] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 297.192333] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 297.199601] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 297.206872] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 297.214138] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 297.221433] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.225930] finish_task_switch+0x1f5/0x900 [ 297.230252] ? finish_task_switch+0x1b5/0x900 [ 297.234749] ? __switch_to_asm+0x34/0x70 [ 297.238817] ? preempt_notifier_register+0x200/0x200 [ 297.243921] ? __switch_to_asm+0x34/0x70 [ 297.247977] ? __switch_to_asm+0x34/0x70 [ 297.252040] ? __switch_to_asm+0x40/0x70 [ 297.256099] ? __switch_to_asm+0x34/0x70 [ 297.260158] ? __switch_to_asm+0x40/0x70 [ 297.264222] ? __switch_to_asm+0x34/0x70 [ 297.268282] ? __switch_to_asm+0x40/0x70 [ 297.272343] ? __switch_to_asm+0x34/0x70 [ 297.276407] ? __switch_to_asm+0x40/0x70 [ 297.280466] ? __switch_to_asm+0x34/0x70 [ 297.284542] ? __switch_to_asm+0x40/0x70 [ 297.288600] ? __switch_to_asm+0x34/0x70 [ 297.292660] ? __switch_to_asm+0x40/0x70 [ 297.296722] ? __switch_to_asm+0x34/0x70 [ 297.300782] ? __switch_to_asm+0x40/0x70 [ 297.304849] __schedule+0x874/0x1ed0 [ 297.308581] ? lockdep_hardirqs_on+0x421/0x5c0 [ 297.313175] ? __sched_text_start+0x8/0x8 [ 297.317330] ? graph_lock+0x170/0x170 [ 297.321137] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.325899] ? lockdep_hardirqs_on+0x421/0x5c0 [ 297.330490] ? retint_kernel+0x2d/0x2d [ 297.334383] ? find_held_lock+0x36/0x1c0 [ 297.338455] schedule+0xfe/0x460 [ 297.341829] ? __schedule+0x1ed0/0x1ed0 [ 297.345813] ? lockdep_hardirqs_on+0x421/0x5c0 [ 297.350402] ? trace_hardirqs_on+0xbd/0x310 [ 297.354725] ? kasan_check_read+0x11/0x20 [ 297.358875] ? worker_thread+0x3ca/0x1390 [ 297.363028] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.368479] ? kasan_check_write+0x14/0x20 [ 297.372730] ? do_raw_spin_lock+0xc1/0x200 [ 297.377001] worker_thread+0x3cf/0x1390 [ 297.380996] ? __switch_to_asm+0x34/0x70 [ 297.385070] ? process_one_work+0x1b90/0x1b90 [ 297.389573] ? graph_lock+0x170/0x170 [ 297.393407] ? __sched_text_start+0x8/0x8 [ 297.397563] ? find_held_lock+0x36/0x1c0 [ 297.401648] ? __kthread_parkme+0xce/0x1a0 [ 297.405886] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 297.411021] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 297.416132] ? lockdep_hardirqs_on+0x421/0x5c0 [ 297.420729] ? trace_hardirqs_on+0xbd/0x310 [ 297.425053] ? kasan_check_read+0x11/0x20 [ 297.429214] ? __kthread_parkme+0xce/0x1a0 [ 297.433449] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.438912] ? kasan_check_write+0x14/0x20 [ 297.443153] ? do_raw_spin_lock+0xc1/0x200 [ 297.447398] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 297.452504] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.458069] ? __kthread_parkme+0xfb/0x1a0 [ 297.462309] kthread+0x35a/0x420 [ 297.465682] ? process_one_work+0x1b90/0x1b90 [ 297.470212] ? kthread_bind+0x40/0x40 [ 297.474029] ret_from_fork+0x3a/0x50 [ 297.477758] warn_alloc_show_mem: 1 callbacks suppressed [ 297.477770] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 297.477772] Mem-Info: [ 297.477803] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 297.477803] active_file:13 inactive_file:18 isolated_file:0 [ 297.477803] unevictable:0 dirty:0 writeback:0 unstable:0 [ 297.477803] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 297.477803] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 297.477803] free:13747 free_pcp:307 free_cma:0 [ 297.483140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.483162] Call Trace: [ 297.490355] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 297.492754] [ 297.525619] Node 0 [ 297.535004] dump_stack+0x1c4/0x2b4 [ 297.537591] 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 [ 297.565236] ? dump_stack_print_info.cold.2+0x52/0x52 [ 297.567364] lowmem_reserve[]: [ 297.569607] warn_alloc.cold.118+0xb7/0x1bd [ 297.573204] 0 [ 297.598704] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.603869] 2815 [ 297.606982] ? lock_downgrade+0x900/0x900 [ 297.611276] 6318 6318 [ 297.613089] ? trace_hardirqs_off+0xb8/0x300 [ 297.617907] Node 0 [ 297.619970] ? trace_hardirqs_off+0xb8/0x300 [ 297.624117] DMA32 free:25280kB 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 [ 297.626589] __alloc_pages_slowpath+0x2667/0x2d80 [ 297.630964] lowmem_reserve[]: 0 [ 297.633245] ? warn_alloc+0x120/0x120 [ 297.637596] 0 3503 [ 297.664580] ? trace_hardirqs_on+0x310/0x310 [ 297.669413] 3503 [ 297.672722] ? warn_alloc+0x120/0x120 [ 297.676493] Node 0 Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 297.678736] ? print_usage_bug+0xc0/0xc0 [ 297.683132] lowmem_reserve[]: [ 297.685194] ? warn_alloc+0x120/0x120 [ 297.688975] 0 0 0 [ 297.717959] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 297.722007] 0 [ 297.725110] ? print_usage_bug+0xc0/0xc0 [ 297.731031] ? __lock_acquire+0x7ec/0x4ec0 [ 297.736052] Node 0 [ 297.737850] ? __lock_acquire+0x7ec/0x4ec0 [ 297.741890] DMA: [ 297.746122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.748337] 1*4kB [ 297.752593] ? should_fail+0x22d/0xd01 [ 297.754636] (U) [ 297.760174] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.762301] 0*8kB [ 297.766183] ? __lock_acquire+0x7ec/0x4ec0 [ 297.768136] 0*16kB 1*32kB [ 297.773248] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.775377] (U) [ 297.779620] ? __lock_acquire+0x7ec/0x4ec0 [ 297.782446] 2*64kB [ 297.787582] ? should_fail+0x22d/0xd01 [ 297.789551] (U) [ 297.793781] ? print_usage_bug+0xc0/0xc0 [ 297.796005] 1*128kB [ 297.799892] ? mark_held_locks+0x130/0x130 [ 297.801842] (U) [ 297.805917] ? mark_held_locks+0x130/0x130 [ 297.808222] 1*256kB [ 297.812455] ? graph_lock+0x170/0x170 [ 297.814405] (U) [ 297.818639] ? print_usage_bug+0xc0/0xc0 [ 297.820938] 0*512kB 1*1024kB [ 297.824747] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.826702] (U) [ 297.830787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.833897] 1*2048kB [ 297.838644] ? check_preemption_disabled+0x48/0x200 [ 297.840604] (M) 3*4096kB [ 297.846155] ? check_preemption_disabled+0x48/0x200 [ 297.848547] (M) [ 297.853561] ? __lock_is_held+0xb5/0x140 [ 297.856295] = 15908kB [ 297.861308] __alloc_pages_nodemask+0xa80/0xde0 [ 297.863263] Node 0 [ 297.867319] ? graph_lock+0x170/0x170 [ 297.869715] DMA32: 4*4kB [ 297.874387] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 297.876598] (UM) [ 297.880419] ? graph_lock+0x170/0x170 [ 297.883148] 2*8kB (M) [ 297.888204] ? find_held_lock+0x36/0x1c0 [ 297.890233] 2*16kB (UM) [ 297.894045] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.896510] 2*32kB (UM) [ 297.900582] ? lock_downgrade+0x900/0x900 [ 297.903229] 3*64kB (UM) [ 297.907911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.910561] 3*128kB [ 297.914708] cache_grow_begin+0x91/0x8c0 [ 297.917372] (M) [ 297.922903] ? do_raw_spin_unlock+0xa7/0x2f0 [ 297.925206] 2*256kB [ 297.929264] fallback_alloc+0x203/0x2e0 [ 297.931218] (M) [ 297.935638] ____cache_alloc_node+0x1c7/0x1e0 [ 297.937932] 3*512kB (M) [ 297.941913] kmem_cache_alloc_node+0xe3/0x730 [ 297.943872] 4*1024kB [ 297.948371] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.951030] (UM) [ 297.955534] __alloc_skb+0x119/0x770 [ 297.957919] 3*2048kB [ 297.962152] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.964189] (UM) [ 297.967904] ? skb_scrub_packet+0x490/0x490 [ 297.970295] 3*4096kB [ 297.975567] ? lock_downgrade+0x900/0x900 [ 297.977609] (M) [ 297.981933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.984320] = 25280kB [ 297.988470] ? refcount_sub_and_test_checked+0x203/0x310 [ 297.990429] Node 0 [ 297.995968] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 297.998359] Normal: [ 298.003811] ? addrconf_rs_timer+0x6f0/0x6f0 [ 298.006029] 876*4kB [ 298.011485] ndisc_alloc_skb+0x144/0x340 [ 298.013779] (UME) [ 298.018189] ndisc_send_rs+0x331/0x6e0 [ 298.020490] 393*8kB [ 298.024559] addrconf_rs_timer+0x3c0/0x6f0 [ 298.027183] (UMEH) 183*16kB [ 298.031091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.033390] (UMEH) [ 298.037632] call_timer_fn+0x272/0x920 [ 298.040622] 70*32kB [ 298.044851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.047067] (UMEH) [ 298.050953] ? process_timeout+0x40/0x40 [ 298.053255] 13*64kB [ 298.057485] ? find_held_lock+0x36/0x1c0 [ 298.059700] (UMH) [ 298.063767] ? __run_timers+0x7da/0xc70 [ 298.066072] 3*128kB [ 298.070130] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.072264] (UH) [ 298.076236] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.078541] 3*256kB [ 298.083032] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.085081] (H) [ 298.089577] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 298.091881] 0*512kB [ 298.096111] ? trace_hardirqs_on+0xbd/0x310 [ 298.098069] 0*1024kB [ 298.102651] ? kasan_check_read+0x11/0x20 [ 298.104952] 0*2048kB [ 298.109273] ? __run_timers+0x7da/0xc70 [ 298.111663] 0*4096kB [ 298.115812] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.118204] = 13800kB [ 298.122179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.124579] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 298.130022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.132420] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 298.137129] __run_timers+0x7e5/0xc70 [ 298.145946] 410 total pagecache pages [ 298.150195] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 298.158745] 0 pages in swap cache [ 298.162550] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 298.166328] Swap cache stats: add 0, delete 0, find 0/0 [ 298.166338] Free swap = 0kB [ 298.171701] ? graph_lock+0x170/0x170 [ 298.175135] Total swap = 0kB [ 298.180147] ? enqueue_hrtimer+0x1a5/0x560 [ 298.185491] 1965979 pages RAM [ 298.185496] 0 pages HighMem/MovableOnly [ 298.188517] ? lock_release+0x970/0x970 [ 298.192299] 343323 pages reserved [ 298.195312] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.199526] 0 pages cma reserved [ 298.202631] ? find_held_lock+0x36/0x1c0 [ 298.206641] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.210558] ? graph_lock+0x170/0x170 [ 298.210575] ? pvclock_read_flags+0x160/0x160 [ 298.210594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.214090] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.219222] ? check_preemption_disabled+0x48/0x200 [ 298.222570] kworker/0:1 cpuset= [ 298.226643] ? __lock_is_held+0xb5/0x140 [ 298.233106] / [ 298.236906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.241380] mems_allowed=0 [ 298.246911] ? check_preemption_disabled+0x48/0x200 [ 298.284676] run_timer_softirq+0x52/0xb0 [ 298.288753] ? rcu_read_lock_sched_held+0x108/0x120 [ 298.293779] __do_softirq+0x30b/0xad8 [ 298.297599] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.302712] ? pvclock_read_flags+0x160/0x160 [ 298.307212] ? lapic_next_event+0x5a/0x90 [ 298.311368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.316912] ? check_preemption_disabled+0x48/0x200 [ 298.321934] ? check_preemption_disabled+0x48/0x200 [ 298.326959] ? kvm_clock_read+0x18/0x30 [ 298.330948] ? kvm_sched_clock_read+0x9/0x20 [ 298.335375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.340915] ? check_preemption_disabled+0x48/0x200 [ 298.345947] irq_exit+0x17f/0x1c0 [ 298.349417] smp_apic_timer_interrupt+0x1cb/0x760 [ 298.354262] ? smp_reschedule_interrupt+0x109/0x650 [ 298.359289] ? smp_call_function_single_interrupt+0x650/0x650 [ 298.365180] ? interrupt_entry+0xb5/0xf0 [ 298.369250] ? trace_hardirqs_off_caller+0xbb/0x300 [ 298.374270] ? trace_hardirqs_off_caller+0xbb/0x300 [ 298.379292] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.384138] ? trace_hardirqs_off+0x300/0x300 [ 298.388635] ? trace_hardirqs_off+0x300/0x300 [ 298.393135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.398674] ? check_preemption_disabled+0x48/0x200 [ 298.403713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.408570] apic_timer_interrupt+0xf/0x20 [ 298.412806] [ 298.415052] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 298.419996] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 298.438901] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 298.446617] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 298.453886] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 298.461161] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 298.468436] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 298.475722] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 298.483037] skb_clone+0x1bb/0x500 [ 298.486586] ? skb_split+0x11e0/0x11e0 [ 298.490518] ? preempt_notifier_register+0x200/0x200 [ 298.495623] ? __switch_to_asm+0x34/0x70 [ 298.499697] ? __switch_to_asm+0x34/0x70 [ 298.503763] ? __switch_to_asm+0x40/0x70 [ 298.507828] ? __switch_to_asm+0x34/0x70 [ 298.511890] ? __switch_to_asm+0x40/0x70 [ 298.515959] ? __switch_to_asm+0x40/0x70 [ 298.520031] ? __switch_to_asm+0x34/0x70 [ 298.524099] ? __switch_to_asm+0x34/0x70 [ 298.528164] ? __switch_to_asm+0x40/0x70 [ 298.532231] ? __switch_to_asm+0x34/0x70 [ 298.536304] bpf_clone_redirect+0xb9/0x490 [ 298.540553] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 298.545589] ? __sched_text_start+0x8/0x8 [ 298.549748] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 298.554525] ? find_held_lock+0x36/0x1c0 [ 298.558597] ? lock_acquire+0x1ed/0x520 [ 298.562579] ? bpf_test_run+0x32e/0x5a0 [ 298.566562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.572102] ? check_preemption_disabled+0x48/0x200 [ 298.577129] ? kasan_check_read+0x11/0x20 [ 298.581283] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.586568] ? rcu_bh_qs+0xc0/0xc0 [ 298.590116] ? preempt_schedule+0x4d/0x60 [ 298.594269] ? ___preempt_schedule+0x16/0x18 [ 298.598693] ? bpf_test_run+0x1c0/0x5a0 [ 298.602684] ? netlink_diag_dump+0x2a0/0x2a0 [ 298.607104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.612645] ? bpf_test_init.isra.9+0x70/0x100 [ 298.617239] ? bpf_prog_test_run_skb+0x634/0xb40 [ 298.622017] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 298.626866] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 298.632405] ? fput+0x130/0x1a0 [ 298.635688] ? __bpf_prog_get+0x9b/0x290 [ 298.639771] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 298.644616] ? bpf_prog_test_run+0x130/0x1a0 [ 298.649037] ? __x64_sys_bpf+0x3d8/0x510 [ 298.653101] ? bpf_prog_get+0x20/0x20 [ 298.656913] ? ksys_ioctl+0x81/0xd0 [ 298.660556] ? do_syscall_64+0x1b9/0x820 [ 298.664626] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 298.670003] ? syscall_return_slowpath+0x5e0/0x5e0 [ 298.674943] ? trace_hardirqs_off+0x300/0x300 [ 298.679451] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 298.684644] ? recalc_sigpending_tsk+0x180/0x180 [ 298.689414] ? kasan_check_write+0x14/0x20 [ 298.693660] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.698523] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 298.703910] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 298.703990] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.710755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.710779] Workqueue: (null) (events) [ 298.710792] Call Trace: [ 298.710802] [ 298.717383] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.726645] dump_stack+0x1c4/0x2b4 [ 298.731473] syz-executor1 cpuset= [ 298.734060] ? dump_stack_print_info.cold.2+0x52/0x52 [ 298.736189] syz1 [ 298.746681] warn_alloc.cold.118+0xb7/0x1bd [ 298.750280] mems_allowed=0 [ 298.753732] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.772928] ? lock_downgrade+0x900/0x900 [ 298.777090] ? trace_hardirqs_off+0xb8/0x300 [ 298.781511] ? trace_hardirqs_off+0xb8/0x300 [ 298.785933] __alloc_pages_slowpath+0x2667/0x2d80 [ 298.790811] ? warn_alloc+0x120/0x120 [ 298.794653] ? warn_alloc+0x120/0x120 [ 298.798460] ? print_usage_bug+0xc0/0xc0 [ 298.802529] ? warn_alloc+0x120/0x120 [ 298.806338] ? print_usage_bug+0xc0/0xc0 [ 298.810405] ? __lock_acquire+0x7ec/0x4ec0 [ 298.814642] ? __lock_acquire+0x7ec/0x4ec0 [ 298.818887] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.824429] ? should_fail+0x22d/0xd01 [ 298.828325] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.833436] ? __lock_acquire+0x7ec/0x4ec0 [ 298.837679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.842810] ? __lock_acquire+0x7ec/0x4ec0 [ 298.847046] ? should_fail+0x22d/0xd01 [ 298.850953] ? mark_held_locks+0x130/0x130 [ 298.855203] ? mark_held_locks+0x130/0x130 [ 298.859443] ? graph_lock+0x170/0x170 [ 298.863246] ? graph_lock+0x170/0x170 [ 298.867057] ? graph_lock+0x170/0x170 [ 298.870861] ? print_usage_bug+0xc0/0xc0 [ 298.874928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.880467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.886013] ? check_preemption_disabled+0x48/0x200 [ 298.891036] ? check_preemption_disabled+0x48/0x200 [ 298.896070] ? __lock_is_held+0xb5/0x140 [ 298.900146] __alloc_pages_nodemask+0xa80/0xde0 [ 298.904824] ? graph_lock+0x170/0x170 [ 298.908632] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 298.913671] ? graph_lock+0x170/0x170 [ 298.917497] ? find_held_lock+0x36/0x1c0 [ 298.921574] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.926247] ? lock_downgrade+0x900/0x900 [ 298.930406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.935954] cache_grow_begin+0x91/0x8c0 [ 298.940032] ? do_raw_spin_unlock+0xa7/0x2f0 [ 298.944483] fallback_alloc+0x203/0x2e0 [ 298.948468] ____cache_alloc_node+0x1c7/0x1e0 [ 298.952986] kmem_cache_alloc_node+0xe3/0x730 [ 298.957499] ? ipv6_get_ifaddr+0x42e/0x620 [ 298.961754] __alloc_skb+0x119/0x770 [ 298.965474] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.970761] ? skb_scrub_packet+0x490/0x490 [ 298.975090] ? lock_downgrade+0x900/0x900 [ 298.979253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.984797] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.990255] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.995711] ? addrconf_rs_timer+0x6f0/0x6f0 [ 299.000138] ndisc_alloc_skb+0x144/0x340 [ 299.004211] ndisc_send_rs+0x331/0x6e0 [ 299.008122] addrconf_rs_timer+0x3c0/0x6f0 [ 299.012371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.016629] call_timer_fn+0x272/0x920 [ 299.020522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.024768] ? process_timeout+0x40/0x40 [ 299.028833] ? find_held_lock+0x36/0x1c0 [ 299.032908] ? __run_timers+0x7da/0xc70 [ 299.036890] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.041389] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.045887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.050131] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 299.054719] ? trace_hardirqs_on+0xbd/0x310 [ 299.059041] ? kasan_check_read+0x11/0x20 [ 299.063196] ? __run_timers+0x7da/0xc70 [ 299.067181] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.072643] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.076892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.081132] __run_timers+0x7e5/0xc70 [ 299.084957] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 299.090337] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.095357] ? graph_lock+0x170/0x170 [ 299.099167] ? enqueue_hrtimer+0x1a5/0x560 [ 299.103401] ? lock_release+0x970/0x970 [ 299.107405] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 299.112618] ? find_held_lock+0x36/0x1c0 [ 299.116693] ? pvclock_read_flags+0x160/0x160 [ 299.121196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.126735] ? check_preemption_disabled+0x48/0x200 [ 299.131767] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 299.137306] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.142587] ? rcu_pm_notify+0xc0/0xc0 [ 299.146513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.152067] ? check_preemption_disabled+0x48/0x200 [ 299.157100] run_timer_softirq+0x52/0xb0 [ 299.161166] ? rcu_read_lock_sched_held+0x108/0x120 [ 299.166186] __do_softirq+0x30b/0xad8 [ 299.170005] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 299.175129] ? pvclock_read_flags+0x160/0x160 [ 299.179626] ? lapic_next_event+0x5a/0x90 [ 299.183780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.189316] ? check_preemption_disabled+0x48/0x200 [ 299.194349] ? check_preemption_disabled+0x48/0x200 [ 299.199384] ? kvm_clock_read+0x18/0x30 [ 299.203361] ? kvm_sched_clock_read+0x9/0x20 [ 299.207771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.213306] ? check_preemption_disabled+0x48/0x200 [ 299.218342] irq_exit+0x17f/0x1c0 [ 299.221805] smp_apic_timer_interrupt+0x1cb/0x760 [ 299.226653] ? smp_call_function_single_interrupt+0x650/0x650 [ 299.232585] ? interrupt_entry+0xb5/0xf0 [ 299.236656] ? trace_hardirqs_off_caller+0xbb/0x300 [ 299.241684] ? trace_hardirqs_off_caller+0xbb/0x300 [ 299.246701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.251559] ? trace_hardirqs_off+0x300/0x300 [ 299.256055] ? trace_hardirqs_off+0x300/0x300 [ 299.260567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.266108] ? check_preemption_disabled+0x48/0x200 [ 299.271125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.276672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.281521] apic_timer_interrupt+0xf/0x20 [ 299.285749] [ 299.287995] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 299.293100] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 299.312020] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 299.319735] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 299.327020] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 299.334291] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 299.341560] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 299.348823] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 299.356118] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.360618] finish_task_switch+0x1f5/0x900 [ 299.364944] ? finish_task_switch+0x1b5/0x900 [ 299.369440] ? __switch_to_asm+0x34/0x70 [ 299.373508] ? preempt_notifier_register+0x200/0x200 [ 299.378611] ? __switch_to_asm+0x34/0x70 [ 299.382684] ? __switch_to_asm+0x34/0x70 [ 299.386753] ? __switch_to_asm+0x40/0x70 [ 299.390812] ? __switch_to_asm+0x34/0x70 [ 299.394870] ? __switch_to_asm+0x40/0x70 [ 299.398929] ? __switch_to_asm+0x34/0x70 [ 299.403020] ? __switch_to_asm+0x40/0x70 [ 299.407084] ? __switch_to_asm+0x34/0x70 [ 299.411152] ? __switch_to_asm+0x40/0x70 [ 299.415214] ? __switch_to_asm+0x34/0x70 [ 299.419274] ? __switch_to_asm+0x40/0x70 [ 299.423331] ? __switch_to_asm+0x34/0x70 [ 299.427394] ? __switch_to_asm+0x40/0x70 [ 299.431467] ? __switch_to_asm+0x34/0x70 [ 299.435533] ? __switch_to_asm+0x40/0x70 [ 299.439615] __schedule+0x874/0x1ed0 [ 299.443339] ? lockdep_hardirqs_on+0x421/0x5c0 [ 299.447928] ? __sched_text_start+0x8/0x8 [ 299.452088] ? graph_lock+0x170/0x170 [ 299.455893] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.460681] ? lockdep_hardirqs_on+0x421/0x5c0 [ 299.465274] ? retint_kernel+0x2d/0x2d [ 299.469164] ? find_held_lock+0x36/0x1c0 [ 299.473238] schedule+0xfe/0x460 [ 299.476627] ? __schedule+0x1ed0/0x1ed0 [ 299.480602] ? lockdep_hardirqs_on+0x421/0x5c0 [ 299.485188] ? trace_hardirqs_on+0xbd/0x310 [ 299.489521] ? kasan_check_read+0x11/0x20 [ 299.493668] ? worker_thread+0x3ca/0x1390 [ 299.497816] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.503270] ? kasan_check_write+0x14/0x20 [ 299.507506] ? do_raw_spin_lock+0xc1/0x200 [ 299.511749] worker_thread+0x3cf/0x1390 [ 299.515726] ? __switch_to_asm+0x34/0x70 [ 299.519813] ? process_one_work+0x1b90/0x1b90 [ 299.524315] ? graph_lock+0x170/0x170 [ 299.528125] ? __sched_text_start+0x8/0x8 [ 299.532283] ? find_held_lock+0x36/0x1c0 [ 299.536358] ? __kthread_parkme+0xce/0x1a0 [ 299.540599] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 299.545716] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 299.550821] ? lockdep_hardirqs_on+0x421/0x5c0 [ 299.555405] ? trace_hardirqs_on+0xbd/0x310 [ 299.559724] ? kasan_check_read+0x11/0x20 [ 299.563886] ? __kthread_parkme+0xce/0x1a0 [ 299.568121] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.573572] ? kasan_check_write+0x14/0x20 [ 299.577810] ? do_raw_spin_lock+0xc1/0x200 [ 299.582049] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 299.587153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.592690] ? __kthread_parkme+0xfb/0x1a0 [ 299.596943] kthread+0x35a/0x420 [ 299.600310] ? process_one_work+0x1b90/0x1b90 [ 299.604815] ? kthread_bind+0x40/0x40 [ 299.608620] ret_from_fork+0x3a/0x50 [ 299.612350] warn_alloc_show_mem: 1 callbacks suppressed [ 299.612362] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 299.612365] Mem-Info: [ 299.612396] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 299.612396] active_file:13 inactive_file:18 isolated_file:0 [ 299.612396] unevictable:0 dirty:0 writeback:0 unstable:0 [ 299.612396] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 299.612396] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 299.612396] free:13747 free_pcp:307 free_cma:0 [ 299.617730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.617739] Call Trace: [ 299.624939] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 299.627341] [ 299.660210] Node 0 [ 299.669561] dump_stack+0x1c4/0x2b4 [ 299.672150] 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 [ 299.699792] ? dump_stack_print_info.cold.2+0x52/0x52 [ 299.701913] lowmem_reserve[]: 0 [ 299.704178] warn_alloc.cold.118+0xb7/0x1bd [ 299.707770] 2815 6318 [ 299.733278] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 299.738444] 6318 [ 299.741732] ? lock_downgrade+0x900/0x900 [ 299.746030] Node 0 [ 299.748532] ? trace_hardirqs_off+0xb8/0x300 [ 299.753371] DMA32 free:25280kB 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 [ 299.755407] ? trace_hardirqs_off+0xb8/0x300 [ 299.759531] lowmem_reserve[]: [ 299.761767] __alloc_pages_slowpath+0x2667/0x2d80 [ 299.766150] 0 [ 299.793148] ? warn_alloc+0x120/0x120 [ 299.797510] 0 3503 [ 299.800636] ? trace_hardirqs_on+0x310/0x310 [ 299.805453] 3503 [ 299.807255] ? warn_alloc+0x120/0x120 [ 299.813266] ? print_usage_bug+0xc0/0xc0 [ 299.817653] Node 0 [ 299.819711] ? warn_alloc+0x120/0x120 [ 299.823513] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 299.827553] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 299.829778] lowmem_reserve[]: [ 299.833574] ? print_usage_bug+0xc0/0xc0 [ 299.861913] 0 0 [ 299.866962] ? __lock_acquire+0x7ec/0x4ec0 [ 299.870073] 0 [ 299.874130] ? __lock_acquire+0x7ec/0x4ec0 [ 299.876089] 0 [ 299.880335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.882112] Node 0 [ 299.886355] ? should_fail+0x22d/0xd01 [ 299.888143] DMA: 1*4kB [ 299.893688] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.895916] (U) [ 299.899803] ? __lock_acquire+0x7ec/0x4ec0 [ 299.902370] 0*8kB [ 299.907526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.909479] 0*16kB 1*32kB [ 299.913728] ? __lock_acquire+0x7ec/0x4ec0 [ 299.915854] (U) [ 299.920963] ? should_fail+0x22d/0xd01 [ 299.923784] 2*64kB [ 299.928017] ? print_usage_bug+0xc0/0xc0 [ 299.929973] (U) [ 299.933866] ? mark_held_locks+0x130/0x130 [ 299.936081] 1*128kB [ 299.940138] ? mark_held_locks+0x130/0x130 [ 299.942093] (U) [ 299.946328] ? graph_lock+0x170/0x170 [ 299.948622] 1*256kB (U) [ 299.952874] ? print_usage_bug+0xc0/0xc0 [ 299.954828] 0*512kB [ 299.958633] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.961285] 1*1024kB [ 299.965344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.967643] (U) [ 299.972393] ? check_preemption_disabled+0x48/0x200 [ 299.974780] 1*2048kB [ 299.980320] ? check_preemption_disabled+0x48/0x200 [ 299.982380] (M) [ 299.987423] ? __lock_is_held+0xb5/0x140 [ 299.989805] 3*4096kB [ 299.994829] __alloc_pages_nodemask+0xa80/0xde0 [ 299.996781] (M) [ 300.000867] ? graph_lock+0x170/0x170 [ 300.003260] = 15908kB [ 300.007925] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 300.009878] Node 0 [ 300.013676] ? graph_lock+0x170/0x170 [ 300.016062] DMA32: 4*4kB [ 300.021088] ? find_held_lock+0x36/0x1c0 [ 300.023301] (UM) [ 300.027321] ? ____cache_alloc_node+0x1c7/0x1e0 [ 300.030070] 2*8kB [ 300.034129] ? lock_downgrade+0x900/0x900 [ 300.036170] (M) [ 300.040836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.042963] 2*16kB [ 300.047108] cache_grow_begin+0x91/0x8c0 [ 300.049064] (UM) [ 300.054594] ? do_raw_spin_unlock+0xa7/0x2f0 [ 300.056806] 2*32kB [ 300.060863] fallback_alloc+0x203/0x2e0 [ 300.062898] (UM) [ 300.067307] ____cache_alloc_node+0x1c7/0x1e0 [ 300.069523] 3*64kB [ 300.073504] kmem_cache_alloc_node+0xe3/0x730 [ 300.075540] (UM) [ 300.080039] ? ipv6_get_ifaddr+0x42e/0x620 [ 300.082254] 3*128kB [ 300.086751] __alloc_skb+0x119/0x770 [ 300.088790] (M) [ 300.093024] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.095326] 2*256kB [ 300.099042] ? skb_scrub_packet+0x490/0x490 [ 300.101005] (M) [ 300.106278] ? lock_downgrade+0x900/0x900 [ 300.108580] 3*512kB [ 300.112898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.114847] (M) [ 300.119002] ? refcount_sub_and_test_checked+0x203/0x310 [ 300.121309] 4*1024kB [ 300.126845] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 300.128799] (UM) [ 300.134769] ? addrconf_rs_timer+0x6f0/0x6f0 [ 300.137163] 3*2048kB (UM) [ 300.142627] ndisc_alloc_skb+0x144/0x340 [ 300.144660] 3*4096kB [ 300.149069] ndisc_send_rs+0x331/0x6e0 [ 300.151890] (M) [ 300.155961] addrconf_rs_timer+0x3c0/0x6f0 [ 300.158351] = 25280kB [ 300.162247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.164203] Node 0 [ 300.168443] call_timer_fn+0x272/0x920 [ 300.170822] Normal: [ 300.175076] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.177290] 876*4kB [ 300.181173] ? process_timeout+0x40/0x40 [ 300.183472] (UME) [ 300.187730] ? find_held_lock+0x36/0x1c0 [ 300.190035] 393*8kB [ 300.194094] ? __run_timers+0x7da/0xc70 [ 300.196218] (UMEH) [ 300.200278] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.202578] 183*16kB [ 300.206541] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.208765] (UMEH) [ 300.213256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.215641] 70*32kB [ 300.220131] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 300.222347] (UMEH) [ 300.226577] ? trace_hardirqs_on+0xbd/0x310 [ 300.228875] 13*64kB (UMH) [ 300.233464] ? kasan_check_read+0x11/0x20 [ 300.235683] 3*128kB [ 300.240013] ? __run_timers+0x7da/0xc70 [ 300.242843] (UH) 3*256kB [ 300.246995] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.249298] (H) [ 300.253271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.256015] 0*512kB [ 300.261462] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.263416] 0*1024kB [ 300.267648] __run_timers+0x7e5/0xc70 [ 300.269951] 0*2048kB [ 300.274198] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 300.276590] 0*4096kB [ 300.280384] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 300.282770] = 13800kB [ 300.288138] ? graph_lock+0x170/0x170 [ 300.290535] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 300.295542] ? enqueue_hrtimer+0x1a5/0x560 [ 300.297937] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 300.301725] ? lock_release+0x970/0x970 [ 300.310552] 410 total pagecache pages [ 300.314777] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 300.323334] 0 pages in swap cache [ 300.327302] ? find_held_lock+0x36/0x1c0 [ 300.331087] Swap cache stats: add 0, delete 0, find 0/0 [ 300.336286] ? graph_lock+0x170/0x170 [ 300.339720] Free swap = 0kB [ 300.343780] ? pvclock_read_flags+0x160/0x160 [ 300.349121] Total swap = 0kB [ 300.352925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.355918] 1965979 pages RAM [ 300.360417] ? check_preemption_disabled+0x48/0x200 [ 300.363407] 0 pages HighMem/MovableOnly [ 300.363416] 343323 pages reserved [ 300.368957] ? __lock_is_held+0xb5/0x140 [ 300.372032] 0 pages cma reserved [ 300.377042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.381069] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 300.384439] ? check_preemption_disabled+0x48/0x200 [ 300.388564] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 300.391849] run_timer_softirq+0x52/0xb0 [ 300.397361] kworker/0:1 cpuset= [ 300.403847] ? rcu_read_lock_sched_held+0x108/0x120 [ 300.408935] / [ 300.419247] __do_softirq+0x30b/0xad8 [ 300.423298] mems_allowed=0 [ 300.426575] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 300.445101] ? pvclock_read_flags+0x160/0x160 [ 300.449600] ? lapic_next_event+0x5a/0x90 [ 300.453754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.459292] ? check_preemption_disabled+0x48/0x200 [ 300.464306] ? check_preemption_disabled+0x48/0x200 [ 300.469330] ? kvm_clock_read+0x18/0x30 [ 300.473309] ? kvm_sched_clock_read+0x9/0x20 [ 300.477724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.483264] ? check_preemption_disabled+0x48/0x200 [ 300.488298] irq_exit+0x17f/0x1c0 [ 300.491757] smp_apic_timer_interrupt+0x1cb/0x760 [ 300.496603] ? smp_reschedule_interrupt+0x109/0x650 [ 300.501625] ? smp_call_function_single_interrupt+0x650/0x650 [ 300.507513] ? interrupt_entry+0xb5/0xf0 [ 300.511579] ? trace_hardirqs_off_caller+0xbb/0x300 [ 300.516596] ? trace_hardirqs_off_caller+0xbb/0x300 [ 300.521611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.526468] ? trace_hardirqs_off+0x300/0x300 [ 300.530964] ? trace_hardirqs_off+0x300/0x300 [ 300.535485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.541030] ? check_preemption_disabled+0x48/0x200 [ 300.546058] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.550910] apic_timer_interrupt+0xf/0x20 [ 300.555138] [ 300.557383] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 300.562321] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 300.581221] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 300.588933] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 300.596199] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 300.603468] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 300.610740] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 300.618011] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 300.625326] skb_clone+0x1bb/0x500 [ 300.628870] ? skb_split+0x11e0/0x11e0 [ 300.632765] ? preempt_notifier_register+0x200/0x200 [ 300.637872] ? __switch_to_asm+0x34/0x70 [ 300.641931] ? __switch_to_asm+0x34/0x70 [ 300.645996] ? __switch_to_asm+0x40/0x70 [ 300.650068] ? __switch_to_asm+0x34/0x70 [ 300.654129] ? __switch_to_asm+0x40/0x70 [ 300.658192] ? __switch_to_asm+0x40/0x70 [ 300.662256] ? __switch_to_asm+0x34/0x70 [ 300.666331] ? __switch_to_asm+0x34/0x70 [ 300.670395] ? __switch_to_asm+0x40/0x70 [ 300.674454] ? __switch_to_asm+0x34/0x70 [ 300.678526] bpf_clone_redirect+0xb9/0x490 [ 300.682784] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 300.687808] ? __sched_text_start+0x8/0x8 [ 300.691964] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 300.696743] ? find_held_lock+0x36/0x1c0 [ 300.700810] ? lock_acquire+0x1ed/0x520 [ 300.704782] ? bpf_test_run+0x32e/0x5a0 [ 300.708763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.714302] ? check_preemption_disabled+0x48/0x200 [ 300.719325] ? kasan_check_read+0x11/0x20 [ 300.723479] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.728764] ? rcu_bh_qs+0xc0/0xc0 [ 300.732321] ? preempt_schedule+0x4d/0x60 [ 300.736495] ? ___preempt_schedule+0x16/0x18 [ 300.740913] ? bpf_test_run+0x1c0/0x5a0 [ 300.744920] ? netlink_diag_dump+0x2a0/0x2a0 [ 300.749331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.754870] ? bpf_test_init.isra.9+0x70/0x100 [ 300.759461] ? bpf_prog_test_run_skb+0x634/0xb40 [ 300.764231] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 300.769085] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 300.774626] ? fput+0x130/0x1a0 [ 300.777911] ? __bpf_prog_get+0x9b/0x290 [ 300.781984] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 300.786856] ? bpf_prog_test_run+0x130/0x1a0 [ 300.791268] ? __x64_sys_bpf+0x3d8/0x510 [ 300.795333] ? bpf_prog_get+0x20/0x20 [ 300.799147] ? ksys_ioctl+0x81/0xd0 [ 300.802798] ? do_syscall_64+0x1b9/0x820 [ 300.806863] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 300.812232] ? syscall_return_slowpath+0x5e0/0x5e0 [ 300.817182] ? trace_hardirqs_off+0x300/0x300 [ 300.821709] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 300.826727] ? recalc_sigpending_tsk+0x180/0x180 [ 300.831483] ? kasan_check_write+0x14/0x20 [ 300.835731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.840584] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 300.845969] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 300.846050] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 300.852819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.852843] Workqueue: (null) (events) [ 300.852862] Call Trace: [ 300.859459] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 300.868694] [ 300.873523] syz-executor1 cpuset= [ 300.876103] dump_stack+0x1c4/0x2b4 [ 300.886564] syz1 [ 300.888710] ? dump_stack_print_info.cold.2+0x52/0x52 [ 300.892143] mems_allowed=0 [ 300.895774] warn_alloc.cold.118+0xb7/0x1bd [ 300.910126] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.914974] ? lock_downgrade+0x900/0x900 [ 300.919137] ? trace_hardirqs_off+0xb8/0x300 [ 300.923551] ? trace_hardirqs_off+0xb8/0x300 [ 300.927972] __alloc_pages_slowpath+0x2667/0x2d80 [ 300.932848] ? warn_alloc+0x120/0x120 [ 300.936653] ? trace_hardirqs_on+0x310/0x310 [ 300.941067] ? warn_alloc+0x120/0x120 [ 300.944887] ? print_usage_bug+0xc0/0xc0 [ 300.948953] ? warn_alloc+0x120/0x120 [ 300.952755] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 300.957773] ? print_usage_bug+0xc0/0xc0 [ 300.961852] ? __lock_acquire+0x7ec/0x4ec0 [ 300.966089] ? __lock_acquire+0x7ec/0x4ec0 [ 300.970333] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.975897] ? should_fail+0x22d/0xd01 [ 300.979791] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.984906] ? __lock_acquire+0x7ec/0x4ec0 [ 300.989146] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.994254] ? __lock_acquire+0x7ec/0x4ec0 [ 300.998505] ? should_fail+0x22d/0xd01 [ 301.002406] ? print_usage_bug+0xc0/0xc0 [ 301.006474] ? mark_held_locks+0x130/0x130 [ 301.010726] ? mark_held_locks+0x130/0x130 [ 301.014969] ? graph_lock+0x170/0x170 [ 301.018781] ? print_usage_bug+0xc0/0xc0 [ 301.022845] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.027607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.033145] ? check_preemption_disabled+0x48/0x200 [ 301.038163] ? check_preemption_disabled+0x48/0x200 [ 301.043195] ? __lock_is_held+0xb5/0x140 [ 301.047269] __alloc_pages_nodemask+0xa80/0xde0 [ 301.051945] ? graph_lock+0x170/0x170 [ 301.055754] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 301.060768] ? graph_lock+0x170/0x170 [ 301.064616] ? find_held_lock+0x36/0x1c0 [ 301.068698] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.073366] ? lock_downgrade+0x900/0x900 [ 301.077537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.083129] cache_grow_begin+0x91/0x8c0 [ 301.087195] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.091616] fallback_alloc+0x203/0x2e0 [ 301.095600] ____cache_alloc_node+0x1c7/0x1e0 [ 301.100116] kmem_cache_alloc_node+0xe3/0x730 [ 301.104612] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.108855] __alloc_skb+0x119/0x770 [ 301.112575] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.117858] ? skb_scrub_packet+0x490/0x490 [ 301.122181] ? lock_downgrade+0x900/0x900 [ 301.126338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.131882] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.137341] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.142793] ? addrconf_rs_timer+0x6f0/0x6f0 [ 301.147222] ndisc_alloc_skb+0x144/0x340 [ 301.151290] ndisc_send_rs+0x331/0x6e0 [ 301.155185] addrconf_rs_timer+0x3c0/0x6f0 [ 301.159429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.163682] call_timer_fn+0x272/0x920 [ 301.167571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.171809] ? process_timeout+0x40/0x40 [ 301.175873] ? find_held_lock+0x36/0x1c0 [ 301.179944] ? __run_timers+0x7da/0xc70 [ 301.183927] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.188436] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.192931] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.197167] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 301.201762] ? trace_hardirqs_on+0xbd/0x310 [ 301.206085] ? kasan_check_read+0x11/0x20 [ 301.210239] ? __run_timers+0x7da/0xc70 [ 301.214221] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.219677] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.223923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.228159] __run_timers+0x7e5/0xc70 [ 301.231978] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 301.237352] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 301.242371] ? graph_lock+0x170/0x170 [ 301.246193] ? enqueue_hrtimer+0x1a5/0x560 [ 301.250425] ? lock_release+0x970/0x970 [ 301.254405] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 301.259620] ? find_held_lock+0x36/0x1c0 [ 301.263713] ? pvclock_read_flags+0x160/0x160 [ 301.268209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.273761] ? check_preemption_disabled+0x48/0x200 [ 301.278799] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 301.284379] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.289668] ? rcu_pm_notify+0xc0/0xc0 [ 301.293555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.299089] ? check_preemption_disabled+0x48/0x200 [ 301.304112] run_timer_softirq+0x52/0xb0 [ 301.308173] ? rcu_read_lock_sched_held+0x108/0x120 [ 301.313202] __do_softirq+0x30b/0xad8 [ 301.317020] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 301.322170] ? pvclock_read_flags+0x160/0x160 [ 301.326664] ? lapic_next_event+0x5a/0x90 [ 301.330837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.336372] ? check_preemption_disabled+0x48/0x200 [ 301.341390] ? check_preemption_disabled+0x48/0x200 [ 301.346416] ? kvm_clock_read+0x18/0x30 [ 301.350393] ? kvm_sched_clock_read+0x9/0x20 [ 301.354801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.360334] ? check_preemption_disabled+0x48/0x200 [ 301.365368] irq_exit+0x17f/0x1c0 [ 301.368824] smp_apic_timer_interrupt+0x1cb/0x760 [ 301.373669] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.379557] ? interrupt_entry+0xb5/0xf0 [ 301.383628] ? trace_hardirqs_off_caller+0xbb/0x300 [ 301.388644] ? trace_hardirqs_off_caller+0xbb/0x300 [ 301.393661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.398502] ? trace_hardirqs_off+0x300/0x300 [ 301.403004] ? trace_hardirqs_off+0x300/0x300 [ 301.407510] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.413050] ? check_preemption_disabled+0x48/0x200 [ 301.418068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.423614] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.428469] apic_timer_interrupt+0xf/0x20 [ 301.432699] [ 301.434948] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 301.440055] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 301.458956] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 301.466681] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 301.473948] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 301.481215] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 301.488486] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 301.495754] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 301.503056] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.507560] finish_task_switch+0x1f5/0x900 [ 301.511881] ? finish_task_switch+0x1b5/0x900 [ 301.516380] ? __switch_to_asm+0x34/0x70 [ 301.520449] ? preempt_notifier_register+0x200/0x200 [ 301.525557] ? __switch_to_asm+0x34/0x70 [ 301.529620] ? __switch_to_asm+0x34/0x70 [ 301.533681] ? __switch_to_asm+0x40/0x70 [ 301.537739] ? __switch_to_asm+0x34/0x70 [ 301.541804] ? __switch_to_asm+0x40/0x70 [ 301.545874] ? __switch_to_asm+0x34/0x70 [ 301.549944] ? __switch_to_asm+0x40/0x70 [ 301.554011] ? __switch_to_asm+0x34/0x70 [ 301.558072] ? __switch_to_asm+0x40/0x70 [ 301.562134] ? __switch_to_asm+0x34/0x70 [ 301.566195] ? __switch_to_asm+0x40/0x70 [ 301.570254] ? __switch_to_asm+0x34/0x70 [ 301.574315] ? __switch_to_asm+0x40/0x70 [ 301.578376] ? __switch_to_asm+0x34/0x70 [ 301.582436] ? __switch_to_asm+0x40/0x70 [ 301.586504] __schedule+0x874/0x1ed0 [ 301.590223] ? lockdep_hardirqs_on+0x421/0x5c0 [ 301.594815] ? __sched_text_start+0x8/0x8 [ 301.598974] ? graph_lock+0x170/0x170 [ 301.602810] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.607573] ? lockdep_hardirqs_on+0x421/0x5c0 [ 301.612155] ? retint_kernel+0x2d/0x2d [ 301.616054] ? find_held_lock+0x36/0x1c0 [ 301.620129] schedule+0xfe/0x460 [ 301.623503] ? __schedule+0x1ed0/0x1ed0 [ 301.627484] ? lockdep_hardirqs_on+0x421/0x5c0 [ 301.632071] ? trace_hardirqs_on+0xbd/0x310 [ 301.636391] ? kasan_check_read+0x11/0x20 [ 301.640541] ? worker_thread+0x3ca/0x1390 [ 301.644692] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.650149] ? kasan_check_write+0x14/0x20 [ 301.654390] ? do_raw_spin_lock+0xc1/0x200 [ 301.658644] worker_thread+0x3cf/0x1390 [ 301.662623] ? __switch_to_asm+0x34/0x70 [ 301.666700] ? process_one_work+0x1b90/0x1b90 [ 301.671203] ? graph_lock+0x170/0x170 [ 301.675018] ? __sched_text_start+0x8/0x8 [ 301.679185] ? find_held_lock+0x36/0x1c0 [ 301.683258] ? __kthread_parkme+0xce/0x1a0 [ 301.687502] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 301.692609] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 301.697714] ? lockdep_hardirqs_on+0x421/0x5c0 [ 301.702299] ? trace_hardirqs_on+0xbd/0x310 [ 301.706624] ? kasan_check_read+0x11/0x20 [ 301.710775] ? __kthread_parkme+0xce/0x1a0 [ 301.715025] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.720479] ? kasan_check_write+0x14/0x20 [ 301.724720] ? do_raw_spin_lock+0xc1/0x200 [ 301.728963] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 301.734075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.739613] ? __kthread_parkme+0xfb/0x1a0 [ 301.743858] kthread+0x35a/0x420 [ 301.747224] ? process_one_work+0x1b90/0x1b90 [ 301.751717] ? kthread_bind+0x40/0x40 [ 301.755524] ret_from_fork+0x3a/0x50 [ 301.759253] warn_alloc_show_mem: 1 callbacks suppressed [ 301.759265] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 301.759267] Mem-Info: [ 301.759297] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 301.759297] active_file:13 inactive_file:18 isolated_file:0 [ 301.759297] unevictable:0 dirty:0 writeback:0 unstable:0 [ 301.759297] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 301.759297] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 301.759297] free:13747 free_pcp:307 free_cma:0 [ 301.764637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.764646] Call Trace: [ 301.771846] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 301.774245] [ 301.807112] Node 0 [ 301.816469] dump_stack+0x1c4/0x2b4 [ 301.819058] 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 [ 301.846716] ? dump_stack_print_info.cold.2+0x52/0x52 [ 301.848840] lowmem_reserve[]: 0 [ 301.851096] warn_alloc.cold.118+0xb7/0x1bd [ 301.854686] 2815 6318 [ 301.880205] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.885362] 6318 [ 301.888655] ? lock_downgrade+0x900/0x900 [ 301.892952] Node 0 [ 301.895460] ? trace_hardirqs_off+0xb8/0x300 [ 301.900301] DMA32 free:25280kB 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 [ 301.902341] ? trace_hardirqs_off+0xb8/0x300 [ 301.906460] lowmem_reserve[]: 0 [ 301.908729] __alloc_pages_slowpath+0x2667/0x2d80 [ 301.913119] 0 [ 301.940116] ? warn_alloc+0x120/0x120 [ 301.944471] 3503 3503 [ 301.947761] ? trace_hardirqs_on+0x310/0x310 [ 301.952605] Node 0 [ 301.954402] ? warn_alloc+0x120/0x120 [ 301.958219] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 301.960688] ? print_usage_bug+0xc0/0xc0 [ 301.965068] lowmem_reserve[]: 0 [ 301.967318] ? warn_alloc+0x120/0x120 [ 301.971103] 0 [ 301.999488] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 302.003528] 0 [ 302.006809] ? print_usage_bug+0xc0/0xc0 [ 302.010580] 0 [ 302.012391] ? __lock_acquire+0x7ec/0x4ec0 [ 302.017386] Node 0 [ 302.019185] ? __lock_acquire+0x7ec/0x4ec0 [ 302.023225] DMA: [ 302.025027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.029705] 1*4kB [ 302.031954] ? should_fail+0x22d/0xd01 [ 302.036166] (U) [ 302.038230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.043757] 0*8kB [ 302.045903] ? __lock_acquire+0x7ec/0x4ec0 [ 302.049769] 0*16kB [ 302.051743] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.056825] 1*32kB [ 302.058976] ? __lock_acquire+0x7ec/0x4ec0 [ 302.063206] (U) [ 302.065446] ? should_fail+0x22d/0xd01 [ 302.070527] 2*64kB [ 302.072765] ? print_usage_bug+0xc0/0xc0 [ 302.076984] (U) [ 302.078965] ? mark_held_locks+0x130/0x130 [ 302.082832] 1*128kB [ 302.085067] ? mark_held_locks+0x130/0x130 [ 302.089106] (U) [ 302.091085] ? graph_lock+0x170/0x170 [ 302.095307] 1*256kB [ 302.097631] ? print_usage_bug+0xc0/0xc0 [ 302.101842] (U) [ 302.103821] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 302.107597] 0*512kB [ 302.109923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.113965] 1*1024kB [ 302.115939] ? check_preemption_disabled+0x48/0x200 [ 302.120676] (U) [ 302.122991] ? check_preemption_disabled+0x48/0x200 [ 302.123018] ? __lock_is_held+0xb5/0x140 [ 302.128525] 1*2048kB (M) [ 302.130948] __alloc_pages_nodemask+0xa80/0xde0 [ 302.136103] 3*4096kB (M) [ 302.138091] ? graph_lock+0x170/0x170 [ 302.143085] = 15908kB [ 302.147145] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 302.149883] Node 0 [ 302.154552] ? graph_lock+0x170/0x170 [ 302.157289] DMA32: [ 302.161096] ? find_held_lock+0x36/0x1c0 [ 302.163483] 4*4kB [ 302.168512] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.170727] (UM) [ 302.174527] ? lock_downgrade+0x900/0x900 [ 302.176736] 2*8kB (M) [ 302.180809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.182929] 2*16kB (UM) [ 302.187607] cache_grow_begin+0x91/0x8c0 [ 302.189648] 2*32kB [ 302.193791] ? do_raw_spin_unlock+0xa7/0x2f0 [ 302.196265] (UM) [ 302.201802] fallback_alloc+0x203/0x2e0 [ 302.204451] 3*64kB [ 302.208519] ____cache_alloc_node+0x1c7/0x1e0 [ 302.210736] (UM) [ 302.215146] kmem_cache_alloc_node+0xe3/0x730 [ 302.217185] 3*128kB (M) [ 302.221167] ? ipv6_get_ifaddr+0x42e/0x620 [ 302.223388] 2*256kB [ 302.227886] __alloc_skb+0x119/0x770 [ 302.229921] (M) [ 302.234419] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.237071] 3*512kB [ 302.241300] ? skb_scrub_packet+0x490/0x490 [ 302.243604] (M) [ 302.247315] ? lock_downgrade+0x900/0x900 [ 302.249271] 4*1024kB [ 302.254561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.256859] (UM) [ 302.261184] ? refcount_sub_and_test_checked+0x203/0x310 [ 302.263135] 3*2048kB (UM) [ 302.267290] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 302.269679] 3*4096kB [ 302.275212] ? addrconf_rs_timer+0x6f0/0x6f0 [ 302.277247] (M) = 25280kB [ 302.282713] ndisc_alloc_skb+0x144/0x340 [ 302.285530] Node 0 [ 302.290986] ndisc_send_rs+0x331/0x6e0 [ 302.293368] Normal: 876*4kB [ 302.297785] addrconf_rs_timer+0x3c0/0x6f0 [ 302.300519] (UME) [ 302.304579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.306789] 393*8kB (UMEH) [ 302.310693] call_timer_fn+0x272/0x920 [ 302.313685] 183*16kB [ 302.317916] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.320050] (UMEH) [ 302.324282] ? process_timeout+0x40/0x40 [ 302.327193] 70*32kB [ 302.331078] ? find_held_lock+0x36/0x1c0 [ 302.333466] (UMEH) [ 302.337708] ? __run_timers+0x7da/0xc70 [ 302.339913] 13*64kB (UMH) [ 302.343990] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.346285] 3*128kB (UH) [ 302.350353] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.352565] 3*256kB (H) [ 302.356546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.359364] 0*512kB 0*1024kB [ 302.363867] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 302.366600] 0*2048kB 0*4096kB [ 302.371119] ? trace_hardirqs_on+0xbd/0x310 [ 302.373763] = 13800kB [ 302.373779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 302.378005] ? kasan_check_read+0x11/0x20 [ 302.378024] ? __run_timers+0x7da/0xc70 [ 302.381116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 302.385692] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.388863] 410 total pagecache pages [ 302.393182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.395578] 0 pages in swap cache [ 302.404411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.408538] Swap cache stats: add 0, delete 0, find 0/0 [ 302.408548] Free swap = 0kB [ 302.412522] __run_timers+0x7e5/0xc70 [ 302.421071] Total swap = 0kB [ 302.421081] 1965979 pages RAM [ 302.426540] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 302.430313] 0 pages HighMem/MovableOnly [ 302.434549] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.437987] 343323 pages reserved [ 302.442231] ? graph_lock+0x170/0x170 [ 302.447563] 0 pages cma reserved [ 302.447632] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 302.450590] ? enqueue_hrtimer+0x1a5/0x560 [ 302.454426] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 302.457390] ? lock_release+0x970/0x970 [ 302.460477] kworker/0:1 cpuset= [ 302.465844] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 302.469798] / [ 302.474816] ? find_held_lock+0x36/0x1c0 [ 302.478254] mems_allowed=0 [ 302.482051] ? graph_lock+0x170/0x170 [ 302.531272] ? pvclock_read_flags+0x160/0x160 [ 302.535775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.541315] ? check_preemption_disabled+0x48/0x200 [ 302.546347] ? __lock_is_held+0xb5/0x140 [ 302.550415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.555955] ? check_preemption_disabled+0x48/0x200 [ 302.561000] run_timer_softirq+0x52/0xb0 [ 302.565072] ? rcu_read_lock_sched_held+0x108/0x120 [ 302.570112] __do_softirq+0x30b/0xad8 [ 302.573936] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 302.579048] ? pvclock_read_flags+0x160/0x160 [ 302.583551] ? lapic_next_event+0x5a/0x90 [ 302.587708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.593253] ? check_preemption_disabled+0x48/0x200 [ 302.598273] ? check_preemption_disabled+0x48/0x200 [ 302.603302] ? kvm_clock_read+0x18/0x30 [ 302.607284] ? kvm_sched_clock_read+0x9/0x20 [ 302.611698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.617240] ? check_preemption_disabled+0x48/0x200 [ 302.622274] irq_exit+0x17f/0x1c0 [ 302.625738] smp_apic_timer_interrupt+0x1cb/0x760 [ 302.630586] ? smp_reschedule_interrupt+0x109/0x650 [ 302.635612] ? smp_call_function_single_interrupt+0x650/0x650 [ 302.641510] ? interrupt_entry+0xb5/0xf0 [ 302.645580] ? trace_hardirqs_off_caller+0xbb/0x300 [ 302.650601] ? trace_hardirqs_off_caller+0xbb/0x300 [ 302.655625] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.660475] ? trace_hardirqs_off+0x300/0x300 [ 302.664989] ? trace_hardirqs_off+0x300/0x300 [ 302.669505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.675049] ? check_preemption_disabled+0x48/0x200 [ 302.680077] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.684935] apic_timer_interrupt+0xf/0x20 [ 302.689174] [ 302.691419] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 302.696353] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 302.715253] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 302.722973] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 302.730255] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 302.737527] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 302.744795] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 302.752068] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 302.759383] skb_clone+0x1bb/0x500 [ 302.762934] ? skb_split+0x11e0/0x11e0 [ 302.766831] ? preempt_notifier_register+0x200/0x200 [ 302.771941] ? __switch_to_asm+0x34/0x70 [ 302.776016] ? __switch_to_asm+0x34/0x70 [ 302.780084] ? __switch_to_asm+0x40/0x70 [ 302.784150] ? __switch_to_asm+0x34/0x70 [ 302.788212] ? __switch_to_asm+0x40/0x70 [ 302.792276] ? __switch_to_asm+0x40/0x70 [ 302.796337] ? __switch_to_asm+0x34/0x70 [ 302.800403] ? __switch_to_asm+0x34/0x70 [ 302.804464] ? __switch_to_asm+0x40/0x70 [ 302.808534] ? __switch_to_asm+0x34/0x70 [ 302.812610] bpf_clone_redirect+0xb9/0x490 [ 302.816858] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 302.821884] ? __sched_text_start+0x8/0x8 [ 302.826048] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 302.830821] ? find_held_lock+0x36/0x1c0 [ 302.834892] ? lock_acquire+0x1ed/0x520 [ 302.838871] ? bpf_test_run+0x32e/0x5a0 [ 302.842850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.848392] ? check_preemption_disabled+0x48/0x200 [ 302.853421] ? kasan_check_read+0x11/0x20 [ 302.857576] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.862862] ? rcu_bh_qs+0xc0/0xc0 [ 302.866413] ? preempt_schedule+0x4d/0x60 [ 302.870565] ? ___preempt_schedule+0x16/0x18 [ 302.874993] ? bpf_test_run+0x1c0/0x5a0 [ 302.878994] ? netlink_diag_dump+0x2a0/0x2a0 [ 302.883412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.888955] ? bpf_test_init.isra.9+0x70/0x100 [ 302.893560] ? bpf_prog_test_run_skb+0x634/0xb40 [ 302.898331] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 302.903180] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 302.908718] ? fput+0x130/0x1a0 [ 302.912012] ? __bpf_prog_get+0x9b/0x290 [ 302.916083] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 302.920927] ? bpf_prog_test_run+0x130/0x1a0 [ 302.925348] ? __x64_sys_bpf+0x3d8/0x510 [ 302.929416] ? bpf_prog_get+0x20/0x20 [ 302.933229] ? ksys_ioctl+0x81/0xd0 [ 302.936874] ? do_syscall_64+0x1b9/0x820 [ 302.940939] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 302.946313] ? syscall_return_slowpath+0x5e0/0x5e0 [ 302.951255] ? trace_hardirqs_off+0x300/0x300 [ 302.955761] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 302.960781] ? recalc_sigpending_tsk+0x180/0x180 [ 302.965538] ? kasan_check_write+0x14/0x20 [ 302.969783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.974639] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 302.980032] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 302.980104] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 302.986878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.986902] Workqueue: (null) (events) [ 302.986915] Call Trace: [ 302.986926] [ 302.993465] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.002771] dump_stack+0x1c4/0x2b4 [ 303.007595] syz-executor1 cpuset= [ 303.010176] ? dump_stack_print_info.cold.2+0x52/0x52 [ 303.012310] syz1 [ 303.022804] warn_alloc.cold.118+0xb7/0x1bd [ 303.026405] mems_allowed=0 [ 303.029856] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.049059] ? lock_downgrade+0x900/0x900 [ 303.053220] ? trace_hardirqs_off+0xb8/0x300 [ 303.057644] ? trace_hardirqs_off+0xb8/0x300 [ 303.062065] __alloc_pages_slowpath+0x2667/0x2d80 [ 303.066946] ? warn_alloc+0x120/0x120 [ 303.070761] ? warn_alloc+0x120/0x120 [ 303.074599] ? print_usage_bug+0xc0/0xc0 [ 303.078664] ? warn_alloc+0x120/0x120 [ 303.082473] ? print_usage_bug+0xc0/0xc0 [ 303.086543] ? __lock_acquire+0x7ec/0x4ec0 [ 303.090785] ? __lock_acquire+0x7ec/0x4ec0 [ 303.095028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.100571] ? should_fail+0x22d/0xd01 [ 303.104472] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.109580] ? __lock_acquire+0x7ec/0x4ec0 [ 303.113824] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.118929] ? __lock_acquire+0x7ec/0x4ec0 [ 303.123169] ? should_fail+0x22d/0xd01 [ 303.127072] ? mark_held_locks+0x130/0x130 [ 303.131321] ? mark_held_locks+0x130/0x130 [ 303.135559] ? graph_lock+0x170/0x170 [ 303.139366] ? graph_lock+0x170/0x170 [ 303.143178] ? graph_lock+0x170/0x170 [ 303.146986] ? print_usage_bug+0xc0/0xc0 [ 303.151063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.156612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.162151] ? check_preemption_disabled+0x48/0x200 [ 303.167173] ? check_preemption_disabled+0x48/0x200 [ 303.172203] ? __lock_is_held+0xb5/0x140 [ 303.176276] __alloc_pages_nodemask+0xa80/0xde0 [ 303.180947] ? graph_lock+0x170/0x170 [ 303.184759] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 303.189780] ? graph_lock+0x170/0x170 [ 303.193599] ? find_held_lock+0x36/0x1c0 [ 303.197678] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.202355] ? lock_downgrade+0x900/0x900 [ 303.206514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.212061] cache_grow_begin+0x91/0x8c0 [ 303.216134] ? do_raw_spin_unlock+0xa7/0x2f0 [ 303.220568] fallback_alloc+0x203/0x2e0 [ 303.224566] ____cache_alloc_node+0x1c7/0x1e0 [ 303.229076] kmem_cache_alloc_node+0xe3/0x730 [ 303.233579] ? ipv6_get_ifaddr+0x42e/0x620 [ 303.237833] __alloc_skb+0x119/0x770 [ 303.241553] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.246839] ? skb_scrub_packet+0x490/0x490 [ 303.251164] ? lock_downgrade+0x900/0x900 [ 303.255323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.260869] ? refcount_sub_and_test_checked+0x203/0x310 [ 303.266328] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 303.271787] ? addrconf_rs_timer+0x6f0/0x6f0 [ 303.276218] ndisc_alloc_skb+0x144/0x340 [ 303.280293] ndisc_send_rs+0x331/0x6e0 [ 303.284192] addrconf_rs_timer+0x3c0/0x6f0 [ 303.288440] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.292694] call_timer_fn+0x272/0x920 [ 303.296590] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.300835] ? process_timeout+0x40/0x40 [ 303.304908] ? find_held_lock+0x36/0x1c0 [ 303.308984] ? __run_timers+0x7da/0xc70 [ 303.312976] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.317480] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.321984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.326235] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 303.330823] ? trace_hardirqs_on+0xbd/0x310 [ 303.335147] ? kasan_check_read+0x11/0x20 [ 303.339303] ? __run_timers+0x7da/0xc70 [ 303.343281] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.348744] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.352988] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.357235] __run_timers+0x7e5/0xc70 [ 303.361052] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 303.366420] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 303.371439] ? graph_lock+0x170/0x170 [ 303.375247] ? enqueue_hrtimer+0x1a5/0x560 [ 303.379482] ? lock_release+0x970/0x970 [ 303.383462] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 303.388668] ? find_held_lock+0x36/0x1c0 [ 303.392743] ? pvclock_read_flags+0x160/0x160 [ 303.397243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.402784] ? check_preemption_disabled+0x48/0x200 [ 303.407816] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 303.413357] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.418659] ? rcu_pm_notify+0xc0/0xc0 [ 303.422553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.428094] ? check_preemption_disabled+0x48/0x200 [ 303.433126] run_timer_softirq+0x52/0xb0 [ 303.437189] ? rcu_read_lock_sched_held+0x108/0x120 [ 303.442210] __do_softirq+0x30b/0xad8 [ 303.446037] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 303.451149] ? pvclock_read_flags+0x160/0x160 [ 303.455647] ? lapic_next_event+0x5a/0x90 [ 303.459802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.465339] ? check_preemption_disabled+0x48/0x200 [ 303.470358] ? check_preemption_disabled+0x48/0x200 [ 303.475384] ? kvm_clock_read+0x18/0x30 [ 303.479367] ? kvm_sched_clock_read+0x9/0x20 [ 303.483783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.489325] ? check_preemption_disabled+0x48/0x200 [ 303.494358] irq_exit+0x17f/0x1c0 [ 303.497817] smp_apic_timer_interrupt+0x1cb/0x760 [ 303.502671] ? smp_call_function_single_interrupt+0x650/0x650 [ 303.508564] ? interrupt_entry+0xb5/0xf0 [ 303.512633] ? trace_hardirqs_off_caller+0xbb/0x300 [ 303.517651] ? trace_hardirqs_off_caller+0xbb/0x300 [ 303.522674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.527524] ? trace_hardirqs_off+0x300/0x300 [ 303.532028] ? trace_hardirqs_off+0x300/0x300 [ 303.536532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.542076] ? check_preemption_disabled+0x48/0x200 [ 303.547097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.552648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.557504] apic_timer_interrupt+0xf/0x20 [ 303.561734] [ 303.563979] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 303.569104] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 303.588012] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 303.595761] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 303.603035] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 303.610304] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 303.617593] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 303.624861] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 303.632168] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.636675] finish_task_switch+0x1f5/0x900 [ 303.641007] ? finish_task_switch+0x1b5/0x900 [ 303.645506] ? __switch_to_asm+0x34/0x70 [ 303.649574] ? preempt_notifier_register+0x200/0x200 [ 303.654678] ? __switch_to_asm+0x34/0x70 [ 303.658741] ? __switch_to_asm+0x34/0x70 [ 303.662804] ? __switch_to_asm+0x40/0x70 [ 303.666869] ? __switch_to_asm+0x34/0x70 [ 303.670929] ? __switch_to_asm+0x40/0x70 [ 303.674997] ? __switch_to_asm+0x34/0x70 [ 303.679074] ? __switch_to_asm+0x40/0x70 [ 303.683138] ? __switch_to_asm+0x34/0x70 [ 303.687199] ? __switch_to_asm+0x40/0x70 [ 303.691262] ? __switch_to_asm+0x34/0x70 [ 303.695326] ? __switch_to_asm+0x40/0x70 [ 303.699390] ? __switch_to_asm+0x34/0x70 [ 303.703454] ? __switch_to_asm+0x40/0x70 [ 303.707517] ? __switch_to_asm+0x34/0x70 [ 303.711578] ? __switch_to_asm+0x40/0x70 [ 303.715649] __schedule+0x874/0x1ed0 [ 303.719368] ? lockdep_hardirqs_on+0x421/0x5c0 [ 303.723961] ? __sched_text_start+0x8/0x8 [ 303.728128] ? graph_lock+0x170/0x170 [ 303.731939] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 303.736708] ? lockdep_hardirqs_on+0x421/0x5c0 [ 303.741292] ? retint_kernel+0x2d/0x2d [ 303.745192] ? find_held_lock+0x36/0x1c0 [ 303.749266] schedule+0xfe/0x460 [ 303.752646] ? __schedule+0x1ed0/0x1ed0 [ 303.756624] ? lockdep_hardirqs_on+0x421/0x5c0 [ 303.761212] ? trace_hardirqs_on+0xbd/0x310 [ 303.765536] ? kasan_check_read+0x11/0x20 [ 303.769777] ? worker_thread+0x3ca/0x1390 [ 303.773932] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.779389] ? kasan_check_write+0x14/0x20 [ 303.783630] ? do_raw_spin_lock+0xc1/0x200 [ 303.787886] worker_thread+0x3cf/0x1390 [ 303.791864] ? __switch_to_asm+0x34/0x70 [ 303.795940] ? process_one_work+0x1b90/0x1b90 [ 303.800448] ? graph_lock+0x170/0x170 [ 303.804264] ? __sched_text_start+0x8/0x8 [ 303.808421] ? find_held_lock+0x36/0x1c0 [ 303.812529] ? __kthread_parkme+0xce/0x1a0 [ 303.816790] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 303.821905] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 303.827025] ? lockdep_hardirqs_on+0x421/0x5c0 [ 303.831612] ? trace_hardirqs_on+0xbd/0x310 [ 303.835935] ? kasan_check_read+0x11/0x20 [ 303.840087] ? __kthread_parkme+0xce/0x1a0 [ 303.844327] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.849783] ? kasan_check_write+0x14/0x20 [ 303.854030] ? do_raw_spin_lock+0xc1/0x200 [ 303.858276] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 303.863383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.868925] ? __kthread_parkme+0xfb/0x1a0 [ 303.873169] kthread+0x35a/0x420 [ 303.876541] ? process_one_work+0x1b90/0x1b90 [ 303.881040] ? kthread_bind+0x40/0x40 [ 303.884851] ret_from_fork+0x3a/0x50 [ 303.888581] warn_alloc_show_mem: 1 callbacks suppressed [ 303.888594] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 303.888596] Mem-Info: [ 303.888626] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 303.888626] active_file:13 inactive_file:18 isolated_file:0 [ 303.888626] unevictable:0 dirty:0 writeback:0 unstable:0 [ 303.888626] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 303.888626] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 303.888626] free:13747 free_pcp:307 free_cma:0 [ 303.893970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.901170] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 303.903576] Call Trace: [ 303.936444] Node 0 [ 303.945793] [ 303.973492] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 303.976059] dump_stack+0x1c4/0x2b4 [ 303.978271] lowmem_reserve[]: 0 [ 303.980431] ? dump_stack_print_info.cold.2+0x52/0x52 [ 304.005907] 2815 6318 [ 304.009554] warn_alloc.cold.118+0xb7/0x1bd [ 304.012800] 6318 [ 304.017996] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 304.020471] Node 0 [ 304.024797] ? lock_downgrade+0x900/0x900 [ 304.027383] DMA32 free:25280kB 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 [ 304.032211] ? trace_hardirqs_off+0xb8/0x300 [ 304.034420] lowmem_reserve[]: [ 304.038566] ? trace_hardirqs_off+0xb8/0x300 [ 304.065522] 0 [ 304.069931] __alloc_pages_slowpath+0x2667/0x2d80 [ 304.073019] 0 [ 304.077453] ? warn_alloc+0x120/0x120 [ 304.079212] 3503 [ 304.084056] ? warn_alloc+0x120/0x120 [ 304.085836] 3503 [ 304.089633] ? print_usage_bug+0xc0/0xc0 [ 304.095473] ? warn_alloc+0x120/0x120 [ 304.097519] Node 0 [ 304.101580] ? print_usage_bug+0xc0/0xc0 [ 304.105387] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 304.107597] ? __lock_acquire+0x7ec/0x4ec0 [ 304.111638] lowmem_reserve[]: [ 304.140521] ? __lock_acquire+0x7ec/0x4ec0 [ 304.144738] 0 [ 304.147848] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.152057] 0 [ 304.153863] ? should_fail+0x22d/0xd01 [ 304.159370] 0 0 [ 304.161185] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.167027] ? __lock_acquire+0x7ec/0x4ec0 [ 304.172112] Node 0 DMA: [ 304.176348] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.176365] ? __lock_acquire+0x7ec/0x4ec0 [ 304.179025] 1*4kB [ 304.184127] ? should_fail+0x22d/0xd01 [ 304.188340] (U) [ 304.190500] ? mark_held_locks+0x130/0x130 [ 304.194350] 0*8kB 0*16kB [ 304.196338] ? mark_held_locks+0x130/0x130 [ 304.200553] 1*32kB [ 304.203309] ? graph_lock+0x170/0x170 [ 304.207524] (U) [ 304.209757] ? graph_lock+0x170/0x170 [ 304.213577] 2*64kB [ 304.215565] ? graph_lock+0x170/0x170 [ 304.219347] (U) [ 304.221584] ? print_usage_bug+0xc0/0xc0 [ 304.225364] 1*128kB [ 304.227340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.231379] (U) [ 304.233700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.239214] 1*256kB [ 304.241191] ? check_preemption_disabled+0x48/0x200 [ 304.246706] (U) [ 304.249032] ? check_preemption_disabled+0x48/0x200 [ 304.254026] 0*512kB 1*1024kB [ 304.256028] ? __lock_is_held+0xb5/0x140 [ 304.261019] (U) [ 304.264127] __alloc_pages_nodemask+0xa80/0xde0 [ 304.268164] 1*2048kB [ 304.270137] ? graph_lock+0x170/0x170 [ 304.274788] (M) [ 304.277197] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 304.280979] 3*4096kB [ 304.282964] ? graph_lock+0x170/0x170 [ 304.287957] (M) [ 304.290382] ? find_held_lock+0x36/0x1c0 [ 304.294157] = 15908kB [ 304.296136] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.300173] Node 0 [ 304.302581] ? lock_downgrade+0x900/0x900 [ 304.307234] DMA32: [ 304.309473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.313596] 4*4kB [ 304.315835] cache_grow_begin+0x91/0x8c0 [ 304.321346] (UM) [ 304.323506] ? do_raw_spin_unlock+0xa7/0x2f0 [ 304.327542] 2*8kB [ 304.329607] fallback_alloc+0x203/0x2e0 [ 304.333983] (M) 2*16kB [ 304.336146] ____cache_alloc_node+0x1c7/0x1e0 [ 304.340094] (UM) [ 304.342683] kmem_cache_alloc_node+0xe3/0x730 [ 304.347155] 2*32kB [ 304.349222] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.353714] (UM) [ 304.355957] __alloc_skb+0x119/0x770 [ 304.360165] 3*64kB [ 304.362228] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.365946] (UM) [ 304.368181] ? skb_scrub_packet+0x490/0x490 [ 304.373438] 3*128kB [ 304.375509] ? lock_downgrade+0x900/0x900 [ 304.379805] (M) [ 304.382129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.386252] 2*256kB [ 304.388230] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.393741] (M) [ 304.396075] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.401499] 3*512kB (M) [ 304.403483] ? addrconf_rs_timer+0x6f0/0x6f0 [ 304.408916] 4*1024kB [ 304.411610] ndisc_alloc_skb+0x144/0x340 [ 304.415982] (UM) 3*2048kB (UM) [ 304.418452] ndisc_send_rs+0x331/0x6e0 [ 304.422490] 3*4096kB [ 304.425776] addrconf_rs_timer+0x3c0/0x6f0 [ 304.429639] (M) [ 304.432056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.436271] = 25280kB [ 304.438252] call_timer_fn+0x272/0x920 [ 304.442459] Node 0 [ 304.444869] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.448728] Normal: 876*4kB [ 304.450974] ? process_timeout+0x40/0x40 [ 304.455192] (UME) [ 304.458210] ? find_held_lock+0x36/0x1c0 [ 304.462251] 393*8kB [ 304.464404] ? __run_timers+0x7da/0xc70 [ 304.468438] (UMEH) [ 304.470765] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.474720] 183*16kB [ 304.476953] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.481429] (UMEH) [ 304.483840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.488312] 70*32kB [ 304.490545] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 304.494766] (UMEH) [ 304.497088] ? trace_hardirqs_on+0xbd/0x310 [ 304.501649] 13*64kB [ 304.503891] ? kasan_check_read+0x11/0x20 [ 304.508195] (UMH) [ 304.510519] ? __run_timers+0x7da/0xc70 [ 304.514645] 3*128kB [ 304.516796] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.520756] (UH) [ 304.523078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.528498] 3*256kB (H) [ 304.530569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.534780] 0*512kB [ 304.537447] __run_timers+0x7e5/0xc70 [ 304.541660] 0*1024kB [ 304.543996] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 304.547768] 0*2048kB [ 304.550174] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.555509] 0*4096kB = 13800kB [ 304.557931] ? graph_lock+0x170/0x170 [ 304.562932] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 304.566117] ? enqueue_hrtimer+0x1a5/0x560 [ 304.569914] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 304.578742] ? lock_release+0x970/0x970 [ 304.582955] 410 total pagecache pages [ 304.591562] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.595523] 0 pages in swap cache [ 304.599319] ? find_held_lock+0x36/0x1c0 [ 304.604482] Swap cache stats: add 0, delete 0, find 0/0 [ 304.604492] Free swap = 0kB [ 304.604498] Total swap = 0kB [ 304.607958] ? graph_lock+0x170/0x170 [ 304.612000] 1965979 pages RAM [ 304.617363] ? pvclock_read_flags+0x160/0x160 [ 304.620355] 0 pages HighMem/MovableOnly [ 304.620365] 343323 pages reserved [ 304.623383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.627162] 0 pages cma reserved [ 304.630267] ? check_preemption_disabled+0x48/0x200 [ 304.634795] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 304.638715] ? __lock_is_held+0xb5/0x140 [ 304.638738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.642325] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 304.647710] ? check_preemption_disabled+0x48/0x200 [ 304.651058] kworker/0:1 cpuset= [ 304.656097] run_timer_softirq+0x52/0xb0 [ 304.662569] / [ 304.666629] ? rcu_read_lock_sched_held+0x108/0x120 [ 304.672148] mems_allowed=0 [ 304.682456] __do_softirq+0x30b/0xad8 [ 304.708200] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 304.713316] ? pvclock_read_flags+0x160/0x160 [ 304.717815] ? lapic_next_event+0x5a/0x90 [ 304.721976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.727527] ? check_preemption_disabled+0x48/0x200 [ 304.732547] ? check_preemption_disabled+0x48/0x200 [ 304.737579] ? kvm_clock_read+0x18/0x30 [ 304.741557] ? kvm_sched_clock_read+0x9/0x20 [ 304.745971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.751522] ? check_preemption_disabled+0x48/0x200 [ 304.756570] irq_exit+0x17f/0x1c0 [ 304.760033] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.764878] ? smp_reschedule_interrupt+0x109/0x650 [ 304.769901] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.775790] ? interrupt_entry+0xb5/0xf0 [ 304.779860] ? trace_hardirqs_off_caller+0xbb/0x300 [ 304.784880] ? trace_hardirqs_off_caller+0xbb/0x300 [ 304.789900] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.794744] ? trace_hardirqs_off+0x300/0x300 [ 304.799244] ? trace_hardirqs_off+0x300/0x300 [ 304.803753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.809297] ? check_preemption_disabled+0x48/0x200 [ 304.814331] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.819190] apic_timer_interrupt+0xf/0x20 [ 304.823423] [ 304.825670] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 304.830604] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 304.849512] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 304.857231] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 304.864509] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 304.871784] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 304.879051] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 304.886324] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 304.893663] skb_clone+0x1bb/0x500 [ 304.897211] ? skb_split+0x11e0/0x11e0 [ 304.901111] ? preempt_notifier_register+0x200/0x200 [ 304.906216] ? __switch_to_asm+0x34/0x70 [ 304.910283] ? __switch_to_asm+0x34/0x70 [ 304.914345] ? __switch_to_asm+0x40/0x70 [ 304.918409] ? __switch_to_asm+0x34/0x70 [ 304.922482] ? __switch_to_asm+0x40/0x70 [ 304.926554] ? __switch_to_asm+0x40/0x70 [ 304.930618] ? __switch_to_asm+0x34/0x70 [ 304.934698] ? __switch_to_asm+0x34/0x70 [ 304.938763] ? __switch_to_asm+0x40/0x70 [ 304.942830] ? __switch_to_asm+0x34/0x70 [ 304.946906] bpf_clone_redirect+0xb9/0x490 [ 304.951154] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 304.956180] ? __sched_text_start+0x8/0x8 [ 304.960342] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.965124] ? find_held_lock+0x36/0x1c0 [ 304.969198] ? lock_acquire+0x1ed/0x520 [ 304.973174] ? bpf_test_run+0x32e/0x5a0 [ 304.977158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.982702] ? check_preemption_disabled+0x48/0x200 [ 304.987725] ? kasan_check_read+0x11/0x20 [ 304.991880] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.997164] ? rcu_bh_qs+0xc0/0xc0 [ 305.000716] ? preempt_schedule+0x4d/0x60 [ 305.004870] ? ___preempt_schedule+0x16/0x18 [ 305.009291] ? bpf_test_run+0x1c0/0x5a0 [ 305.013285] ? netlink_diag_dump+0x2a0/0x2a0 [ 305.017701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.023248] ? bpf_test_init.isra.9+0x70/0x100 [ 305.027842] ? bpf_prog_test_run_skb+0x634/0xb40 [ 305.032608] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 305.037462] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 305.043015] ? fput+0x130/0x1a0 [ 305.046306] ? __bpf_prog_get+0x9b/0x290 [ 305.050376] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 305.055227] ? bpf_prog_test_run+0x130/0x1a0 [ 305.059648] ? __x64_sys_bpf+0x3d8/0x510 [ 305.063712] ? bpf_prog_get+0x20/0x20 [ 305.067531] ? ksys_ioctl+0x81/0xd0 [ 305.071175] ? do_syscall_64+0x1b9/0x820 [ 305.075243] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 305.080614] ? syscall_return_slowpath+0x5e0/0x5e0 [ 305.085554] ? trace_hardirqs_off+0x300/0x300 [ 305.090055] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 305.095076] ? recalc_sigpending_tsk+0x180/0x180 [ 305.099839] ? kasan_check_write+0x14/0x20 [ 305.104085] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.108937] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 305.114322] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 305.114404] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.121183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.121206] Workqueue: (null) (events) [ 305.121219] Call Trace: [ 305.121229] [ 305.127807] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.137075] dump_stack+0x1c4/0x2b4 [ 305.141892] syz-executor1 cpuset= [ 305.144472] ? dump_stack_print_info.cold.2+0x52/0x52 [ 305.146620] syz1 [ 305.157107] warn_alloc.cold.118+0xb7/0x1bd [ 305.160709] mems_allowed=0 [ 305.164157] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.183374] ? lock_downgrade+0x900/0x900 [ 305.187534] ? trace_hardirqs_off+0xb8/0x300 [ 305.191951] ? trace_hardirqs_off+0xb8/0x300 [ 305.196368] __alloc_pages_slowpath+0x2667/0x2d80 [ 305.201260] ? warn_alloc+0x120/0x120 [ 305.205085] ? warn_alloc+0x120/0x120 [ 305.208888] ? print_usage_bug+0xc0/0xc0 [ 305.212949] ? warn_alloc+0x120/0x120 [ 305.216767] ? print_usage_bug+0xc0/0xc0 [ 305.220842] ? __lock_acquire+0x7ec/0x4ec0 [ 305.225085] ? __lock_acquire+0x7ec/0x4ec0 [ 305.229326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.234868] ? should_fail+0x22d/0xd01 [ 305.238794] ? __lock_acquire+0x7ec/0x4ec0 [ 305.243037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.248140] ? __lock_acquire+0x7ec/0x4ec0 [ 305.252385] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.257502] ? __lock_acquire+0x7ec/0x4ec0 [ 305.261738] ? should_fail+0x22d/0xd01 [ 305.265642] ? mark_held_locks+0x130/0x130 [ 305.269886] ? mark_held_locks+0x130/0x130 [ 305.274130] ? graph_lock+0x170/0x170 [ 305.277929] ? print_usage_bug+0xc0/0xc0 [ 305.282011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.287563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.293104] ? check_preemption_disabled+0x48/0x200 [ 305.298123] ? check_preemption_disabled+0x48/0x200 [ 305.303148] ? __lock_is_held+0xb5/0x140 [ 305.307219] __alloc_pages_nodemask+0xa80/0xde0 [ 305.311917] ? graph_lock+0x170/0x170 [ 305.315727] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 305.320745] ? graph_lock+0x170/0x170 [ 305.324560] ? find_held_lock+0x36/0x1c0 [ 305.328635] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.333320] ? lock_downgrade+0x900/0x900 [ 305.337478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.343026] cache_grow_begin+0x91/0x8c0 [ 305.347087] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.351513] fallback_alloc+0x203/0x2e0 [ 305.355495] ____cache_alloc_node+0x1c7/0x1e0 [ 305.360003] kmem_cache_alloc_node+0xe3/0x730 [ 305.364527] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.368770] __alloc_skb+0x119/0x770 [ 305.372482] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.377767] ? skb_scrub_packet+0x490/0x490 [ 305.382093] ? lock_downgrade+0x900/0x900 [ 305.386248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.391787] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.397245] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.402693] ? addrconf_rs_timer+0x6f0/0x6f0 [ 305.407113] ndisc_alloc_skb+0x144/0x340 [ 305.411178] ndisc_send_rs+0x331/0x6e0 [ 305.415077] addrconf_rs_timer+0x3c0/0x6f0 [ 305.419338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.423588] call_timer_fn+0x272/0x920 [ 305.427480] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.431718] ? process_timeout+0x40/0x40 [ 305.435777] ? find_held_lock+0x36/0x1c0 [ 305.439849] ? __run_timers+0x7da/0xc70 [ 305.443825] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.448318] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.452857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.457094] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 305.461680] ? trace_hardirqs_on+0xbd/0x310 [ 305.466010] ? kasan_check_read+0x11/0x20 [ 305.470167] ? __run_timers+0x7da/0xc70 [ 305.474144] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.479612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.483850] __run_timers+0x7e5/0xc70 [ 305.487665] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 305.493035] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 305.498055] ? graph_lock+0x170/0x170 [ 305.501861] ? enqueue_hrtimer+0x1a5/0x560 [ 305.506094] ? lock_release+0x970/0x970 [ 305.510093] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 305.515300] ? find_held_lock+0x36/0x1c0 [ 305.519371] ? pvclock_read_flags+0x160/0x160 [ 305.523872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.529415] ? check_preemption_disabled+0x48/0x200 [ 305.534451] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 305.539986] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.545284] ? rcu_pm_notify+0xc0/0xc0 [ 305.549172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.554708] ? check_preemption_disabled+0x48/0x200 [ 305.559736] run_timer_softirq+0x52/0xb0 [ 305.563799] ? rcu_read_lock_sched_held+0x108/0x120 [ 305.568821] __do_softirq+0x30b/0xad8 [ 305.572635] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 305.577745] ? pvclock_read_flags+0x160/0x160 [ 305.582243] ? lapic_next_event+0x5a/0x90 [ 305.586395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.591930] ? check_preemption_disabled+0x48/0x200 [ 305.596941] ? check_preemption_disabled+0x48/0x200 [ 305.601965] ? kvm_clock_read+0x18/0x30 [ 305.605945] ? kvm_sched_clock_read+0x9/0x20 [ 305.610356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.615896] ? check_preemption_disabled+0x48/0x200 [ 305.620923] irq_exit+0x17f/0x1c0 [ 305.624384] smp_apic_timer_interrupt+0x1cb/0x760 [ 305.629241] ? smp_call_function_single_interrupt+0x650/0x650 [ 305.635124] ? interrupt_entry+0xb5/0xf0 [ 305.639189] ? trace_hardirqs_off_caller+0xbb/0x300 [ 305.644207] ? trace_hardirqs_off_caller+0xbb/0x300 [ 305.649227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.654083] ? trace_hardirqs_off+0x300/0x300 [ 305.658578] ? trace_hardirqs_off+0x300/0x300 [ 305.663084] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.668623] ? check_preemption_disabled+0x48/0x200 [ 305.673640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.679189] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.684066] apic_timer_interrupt+0xf/0x20 [ 305.688294] [ 305.690533] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 305.695637] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 305.714533] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 305.722242] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 305.729533] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 305.736799] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 305.744071] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 305.751342] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 305.758648] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.763162] finish_task_switch+0x1f5/0x900 [ 305.767494] ? finish_task_switch+0x1b5/0x900 [ 305.772023] ? __switch_to_asm+0x34/0x70 [ 305.776107] ? preempt_notifier_register+0x200/0x200 [ 305.781210] ? __switch_to_asm+0x34/0x70 [ 305.785273] ? __switch_to_asm+0x34/0x70 [ 305.789334] ? __switch_to_asm+0x40/0x70 [ 305.793404] ? __switch_to_asm+0x34/0x70 [ 305.797463] ? __switch_to_asm+0x40/0x70 [ 305.801522] ? __switch_to_asm+0x34/0x70 [ 305.805585] ? __switch_to_asm+0x40/0x70 [ 305.809643] ? __switch_to_asm+0x34/0x70 [ 305.813703] ? __switch_to_asm+0x40/0x70 [ 305.817771] ? __switch_to_asm+0x34/0x70 [ 305.821834] ? __switch_to_asm+0x40/0x70 [ 305.825895] ? __switch_to_asm+0x34/0x70 [ 305.829959] ? __switch_to_asm+0x40/0x70 [ 305.834034] ? __switch_to_asm+0x34/0x70 [ 305.838093] ? __switch_to_asm+0x40/0x70 [ 305.842165] __schedule+0x874/0x1ed0 [ 305.845880] ? lockdep_hardirqs_on+0x421/0x5c0 [ 305.850491] ? __sched_text_start+0x8/0x8 [ 305.854666] ? graph_lock+0x170/0x170 [ 305.858499] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 305.863263] ? lockdep_hardirqs_on+0x421/0x5c0 [ 305.867846] ? retint_kernel+0x2d/0x2d [ 305.871741] ? find_held_lock+0x36/0x1c0 [ 305.875811] schedule+0xfe/0x460 [ 305.879195] ? __schedule+0x1ed0/0x1ed0 [ 305.883173] ? lockdep_hardirqs_on+0x421/0x5c0 [ 305.887761] ? trace_hardirqs_on+0xbd/0x310 [ 305.892083] ? kasan_check_read+0x11/0x20 [ 305.896237] ? worker_thread+0x3ca/0x1390 [ 305.900402] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.905883] ? kasan_check_write+0x14/0x20 [ 305.910122] ? do_raw_spin_lock+0xc1/0x200 [ 305.914362] worker_thread+0x3cf/0x1390 [ 305.918343] ? __switch_to_asm+0x34/0x70 [ 305.922443] ? process_one_work+0x1b90/0x1b90 [ 305.926944] ? graph_lock+0x170/0x170 [ 305.930750] ? __sched_text_start+0x8/0x8 [ 305.934911] ? find_held_lock+0x36/0x1c0 [ 305.938985] ? __kthread_parkme+0xce/0x1a0 [ 305.943234] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 305.948340] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 305.953448] ? lockdep_hardirqs_on+0x421/0x5c0 [ 305.958060] ? trace_hardirqs_on+0xbd/0x310 [ 305.962382] ? kasan_check_read+0x11/0x20 [ 305.966535] ? __kthread_parkme+0xce/0x1a0 [ 305.970774] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.976237] ? kasan_check_write+0x14/0x20 [ 305.980479] ? do_raw_spin_lock+0xc1/0x200 [ 305.984723] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 305.989836] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.995375] ? __kthread_parkme+0xfb/0x1a0 [ 305.999616] kthread+0x35a/0x420 [ 306.003001] ? process_one_work+0x1b90/0x1b90 [ 306.007501] ? kthread_bind+0x40/0x40 [ 306.011312] ret_from_fork+0x3a/0x50 [ 306.015046] warn_alloc_show_mem: 1 callbacks suppressed [ 306.015058] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 306.015060] Mem-Info: [ 306.015092] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 306.015092] active_file:13 inactive_file:18 isolated_file:0 [ 306.015092] unevictable:0 dirty:0 writeback:0 unstable:0 [ 306.015092] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 306.015092] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 306.015092] free:13747 free_pcp:307 free_cma:0 [ 306.020449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.020458] Call Trace: [ 306.028158] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 306.030561] [ 306.063423] Node 0 [ 306.072774] dump_stack+0x1c4/0x2b4 [ 306.075360] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 306.103008] ? dump_stack_print_info.cold.2+0x52/0x52 [ 306.105136] lowmem_reserve[]: [ 306.107382] warn_alloc.cold.118+0xb7/0x1bd [ 306.110976] 0 [ 306.137039] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.142207] 2815 [ 306.145312] ? lock_downgrade+0x900/0x900 [ 306.149612] 6318 [ 306.151434] ? trace_hardirqs_off+0xb8/0x300 [ 306.156248] 6318 [ 306.158308] ? trace_hardirqs_off+0xb8/0x300 [ 306.162432] Node 0 [ 306.164518] __alloc_pages_slowpath+0x2667/0x2d80 [ 306.168924] DMA32 free:25280kB 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 [ 306.170991] ? warn_alloc+0x120/0x120 [ 306.175345] lowmem_reserve[]: [ 306.177582] ? trace_hardirqs_on+0x310/0x310 [ 306.182394] 0 0 [ 306.209379] ? warn_alloc+0x120/0x120 [ 306.213158] 3503 [ 306.216262] ? print_usage_bug+0xc0/0xc0 [ 306.220640] 3503 [ 306.222619] ? warn_alloc+0x120/0x120 [ 306.226396] Node 0 [ 306.228457] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 306.232528] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 306.234561] ? print_usage_bug+0xc0/0xc0 [ 306.238332] lowmem_reserve[]: 0 [ 306.240572] ? __lock_acquire+0x7ec/0x4ec0 [ 306.245563] 0 [ 306.273924] ? __lock_acquire+0x7ec/0x4ec0 [ 306.277959] 0 [ 306.281242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.285450] 0 [ 306.287253] ? should_fail+0x22d/0xd01 [ 306.293268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.298780] Node 0 [ 306.300583] ? __lock_acquire+0x7ec/0x4ec0 [ 306.304449] DMA: [ 306.309550] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.311769] 1*4kB [ 306.315997] ? __lock_acquire+0x7ec/0x4ec0 [ 306.318044] (U) [ 306.323144] ? should_fail+0x22d/0xd01 [ 306.325275] 0*8kB [ 306.329508] ? print_usage_bug+0xc0/0xc0 [ 306.331474] 0*16kB [ 306.335363] ? mark_held_locks+0x130/0x130 [ 306.337486] 1*32kB [ 306.341543] ? mark_held_locks+0x130/0x130 [ 306.343758] (U) [ 306.347996] ? graph_lock+0x170/0x170 [ 306.350209] 2*64kB [ 306.354460] ? print_usage_bug+0xc0/0xc0 [ 306.356414] (U) [ 306.360212] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.362425] 1*128kB [ 306.366480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.368435] (U) [ 306.373183] ? check_preemption_disabled+0x48/0x200 [ 306.375482] 1*256kB (U) [ 306.381027] ? check_preemption_disabled+0x48/0x200 [ 306.382980] 0*512kB [ 306.388018] ? __lock_is_held+0xb5/0x140 [ 306.390674] 1*1024kB [ 306.395682] __alloc_pages_nodemask+0xa80/0xde0 [ 306.398000] (U) [ 306.402052] ? graph_lock+0x170/0x170 [ 306.404444] 1*2048kB [ 306.409110] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 306.411065] (M) [ 306.414857] ? graph_lock+0x170/0x170 [ 306.417248] 3*4096kB [ 306.422269] ? find_held_lock+0x36/0x1c0 [ 306.424217] (M) [ 306.428021] ? ____cache_alloc_node+0x1c7/0x1e0 [ 306.430421] = 15908kB [ 306.434478] ? lock_downgrade+0x900/0x900 [ 306.436432] Node 0 [ 306.441100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.443480] DMA32: 4*4kB [ 306.447637] cache_grow_begin+0x91/0x8c0 [ 306.449861] (UM) [ 306.455413] ? do_raw_spin_unlock+0xa7/0x2f0 [ 306.458151] 2*8kB [ 306.462214] fallback_alloc+0x203/0x2e0 [ 306.464253] (M) [ 306.468659] ____cache_alloc_node+0x1c7/0x1e0 [ 306.470788] 2*16kB [ 306.474758] kmem_cache_alloc_node+0xe3/0x730 [ 306.476709] (UM) [ 306.481204] ? ipv6_get_ifaddr+0x42e/0x620 [ 306.483412] 2*32kB (UM) [ 306.487929] __alloc_skb+0x119/0x770 [ 306.489959] 3*64kB (UM) [ 306.494210] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.496862] 3*128kB [ 306.500570] ? skb_scrub_packet+0x490/0x490 [ 306.503218] (M) [ 306.508487] ? lock_downgrade+0x900/0x900 [ 306.510789] 2*256kB [ 306.515106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.517057] (M) [ 306.521200] ? refcount_sub_and_test_checked+0x203/0x310 [ 306.523505] 3*512kB [ 306.529044] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 306.531012] (M) [ 306.536458] ? addrconf_rs_timer+0x6f0/0x6f0 [ 306.538771] 4*1024kB [ 306.544225] ndisc_alloc_skb+0x144/0x340 [ 306.546170] (UM) [ 306.550576] ndisc_send_rs+0x331/0x6e0 [ 306.552955] 3*2048kB (UM) [ 306.557029] addrconf_rs_timer+0x3c0/0x6f0 [ 306.559062] 3*4096kB (M) [ 306.562958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.565771] = 25280kB [ 306.565780] Node 0 [ 306.570023] call_timer_fn+0x272/0x920 [ 306.572749] Normal: [ 306.576990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.579373] 876*4kB [ 306.581621] ? process_timeout+0x40/0x40 [ 306.585477] (UME) 393*8kB [ 306.587809] ? find_held_lock+0x36/0x1c0 [ 306.592035] (UMEH) [ 306.594363] ? __run_timers+0x7da/0xc70 [ 306.598401] 183*16kB [ 306.601268] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.605299] (UMEH) 70*32kB [ 306.607538] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.611499] (UMEH) 13*64kB [ 306.613910] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.618378] (UMH) [ 306.621303] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 306.625774] 3*128kB [ 306.628703] ? trace_hardirqs_on+0xbd/0x310 [ 306.632913] (UH) [ 306.635059] ? kasan_check_read+0x11/0x20 [ 306.639638] 3*256kB [ 306.641957] ? __run_timers+0x7da/0xc70 [ 306.646252] (H) [ 306.648313] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.652435] 0*512kB [ 306.654758] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.658711] 0*1024kB [ 306.660684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.666112] 0*2048kB [ 306.668433] __run_timers+0x7e5/0xc70 [ 306.672640] 0*4096kB = 13800kB [ 306.675063] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 306.679286] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 306.681685] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 306.685467] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 306.688650] ? graph_lock+0x170/0x170 [ 306.693988] 410 total pagecache pages [ 306.694012] 0 pages in swap cache [ 306.702831] ? enqueue_hrtimer+0x1a5/0x560 [ 306.707829] Swap cache stats: add 0, delete 0, find 0/0 [ 306.716403] ? lock_release+0x970/0x970 [ 306.720177] Free swap = 0kB [ 306.720186] Total swap = 0kB [ 306.723990] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 306.727415] 1965979 pages RAM [ 306.731648] ? find_held_lock+0x36/0x1c0 [ 306.737009] 0 pages HighMem/MovableOnly [ 306.740989] ? graph_lock+0x170/0x170 [ 306.743978] 343323 pages reserved [ 306.747002] ? pvclock_read_flags+0x160/0x160 [ 306.752167] 0 pages cma reserved [ 306.752255] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 306.755284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.759440] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 306.763302] ? check_preemption_disabled+0x48/0x200 [ 306.767083] kworker/0:1 cpuset= [ 306.770534] ? __lock_is_held+0xb5/0x140 [ 306.775012] / [ 306.778388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.784880] mems_allowed=0 [ 306.790405] ? check_preemption_disabled+0x48/0x200 [ 306.828199] run_timer_softirq+0x52/0xb0 [ 306.832267] ? rcu_read_lock_sched_held+0x108/0x120 [ 306.837287] __do_softirq+0x30b/0xad8 [ 306.841103] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 306.846214] ? pvclock_read_flags+0x160/0x160 [ 306.850712] ? lapic_next_event+0x5a/0x90 [ 306.854862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.860399] ? check_preemption_disabled+0x48/0x200 [ 306.865413] ? check_preemption_disabled+0x48/0x200 [ 306.870439] ? kvm_clock_read+0x18/0x30 [ 306.874413] ? kvm_sched_clock_read+0x9/0x20 [ 306.878823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.884359] ? check_preemption_disabled+0x48/0x200 [ 306.889415] irq_exit+0x17f/0x1c0 [ 306.892871] smp_apic_timer_interrupt+0x1cb/0x760 [ 306.897714] ? smp_reschedule_interrupt+0x109/0x650 [ 306.902737] ? smp_call_function_single_interrupt+0x650/0x650 [ 306.908623] ? interrupt_entry+0xb5/0xf0 [ 306.912683] ? trace_hardirqs_off_caller+0xbb/0x300 [ 306.917697] ? trace_hardirqs_off_caller+0xbb/0x300 [ 306.922729] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.927584] ? trace_hardirqs_off+0x300/0x300 [ 306.932092] ? trace_hardirqs_off+0x300/0x300 [ 306.936629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.942164] ? check_preemption_disabled+0x48/0x200 [ 306.947191] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.952047] apic_timer_interrupt+0xf/0x20 [ 306.956275] [ 306.958520] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 306.963454] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 306.982355] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 306.990069] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 306.997361] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 307.004629] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 307.011897] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 307.019165] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 307.026504] skb_clone+0x1bb/0x500 [ 307.030065] ? skb_split+0x11e0/0x11e0 [ 307.033971] ? preempt_notifier_register+0x200/0x200 [ 307.039083] ? __switch_to_asm+0x34/0x70 [ 307.043144] ? __switch_to_asm+0x34/0x70 [ 307.047206] ? __switch_to_asm+0x40/0x70 [ 307.051267] ? __switch_to_asm+0x34/0x70 [ 307.055329] ? __switch_to_asm+0x40/0x70 [ 307.059390] ? __switch_to_asm+0x40/0x70 [ 307.063463] ? __switch_to_asm+0x34/0x70 [ 307.067535] ? __switch_to_asm+0x34/0x70 [ 307.071595] ? __switch_to_asm+0x40/0x70 [ 307.075669] ? __switch_to_asm+0x34/0x70 [ 307.079741] bpf_clone_redirect+0xb9/0x490 [ 307.084032] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 307.089071] ? __sched_text_start+0x8/0x8 [ 307.093229] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.098007] ? find_held_lock+0x36/0x1c0 [ 307.102102] ? lock_acquire+0x1ed/0x520 [ 307.106088] ? bpf_test_run+0x32e/0x5a0 [ 307.110069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.115609] ? check_preemption_disabled+0x48/0x200 [ 307.120630] ? kasan_check_read+0x11/0x20 [ 307.124785] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.130066] ? rcu_bh_qs+0xc0/0xc0 [ 307.133607] ? preempt_schedule+0x4d/0x60 [ 307.137759] ? ___preempt_schedule+0x16/0x18 [ 307.142177] ? bpf_test_run+0x1c0/0x5a0 [ 307.146166] ? netlink_diag_dump+0x2a0/0x2a0 [ 307.150579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.156126] ? bpf_test_init.isra.9+0x70/0x100 [ 307.160715] ? bpf_prog_test_run_skb+0x634/0xb40 [ 307.165481] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 307.170331] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 307.175871] ? fput+0x130/0x1a0 [ 307.179151] ? __bpf_prog_get+0x9b/0x290 [ 307.183231] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 307.188073] ? bpf_prog_test_run+0x130/0x1a0 [ 307.192486] ? __x64_sys_bpf+0x3d8/0x510 [ 307.196553] ? bpf_prog_get+0x20/0x20 [ 307.200364] ? ksys_ioctl+0x81/0xd0 [ 307.204011] ? do_syscall_64+0x1b9/0x820 [ 307.208092] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 307.213473] ? syscall_return_slowpath+0x5e0/0x5e0 [ 307.218418] ? trace_hardirqs_off+0x300/0x300 [ 307.222941] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 307.227959] ? recalc_sigpending_tsk+0x180/0x180 [ 307.232726] ? kasan_check_write+0x14/0x20 [ 307.237060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.241914] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 307.247300] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 307.247371] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.254148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.254172] Workqueue: (null) [ 307.260734] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.269981] (events) [ 307.269999] Call Trace: [ 307.274059] syz-executor1 cpuset= [ 307.284533] [ 307.286931] syz1 [ 307.289509] dump_stack+0x1c4/0x2b4 [ 307.289526] ? dump_stack_print_info.cold.2+0x52/0x52 [ 307.292960] mems_allowed=0 [ 307.295110] warn_alloc.cold.118+0xb7/0x1bd [ 307.313077] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.317938] ? lock_downgrade+0x900/0x900 [ 307.322100] ? trace_hardirqs_off+0xb8/0x300 [ 307.326521] ? trace_hardirqs_off+0xb8/0x300 [ 307.330966] __alloc_pages_slowpath+0x2667/0x2d80 [ 307.335848] ? warn_alloc+0x120/0x120 [ 307.339658] ? trace_hardirqs_on+0x310/0x310 [ 307.344076] ? warn_alloc+0x120/0x120 [ 307.347879] ? print_usage_bug+0xc0/0xc0 [ 307.351942] ? warn_alloc+0x120/0x120 [ 307.355743] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 307.360765] ? print_usage_bug+0xc0/0xc0 [ 307.364830] ? __lock_acquire+0x7ec/0x4ec0 [ 307.369077] ? __lock_acquire+0x7ec/0x4ec0 [ 307.373323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.378877] ? should_fail+0x22d/0xd01 [ 307.382770] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.387876] ? __lock_acquire+0x7ec/0x4ec0 [ 307.392116] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.397221] ? __lock_acquire+0x7ec/0x4ec0 [ 307.401466] ? should_fail+0x22d/0xd01 [ 307.405368] ? print_usage_bug+0xc0/0xc0 [ 307.409451] ? mark_held_locks+0x130/0x130 [ 307.413691] ? mark_held_locks+0x130/0x130 [ 307.417940] ? graph_lock+0x170/0x170 [ 307.421743] ? print_usage_bug+0xc0/0xc0 [ 307.425808] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.430565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.436118] ? check_preemption_disabled+0x48/0x200 [ 307.441134] ? check_preemption_disabled+0x48/0x200 [ 307.446161] ? __lock_is_held+0xb5/0x140 [ 307.450231] __alloc_pages_nodemask+0xa80/0xde0 [ 307.454903] ? graph_lock+0x170/0x170 [ 307.458709] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 307.463720] ? graph_lock+0x170/0x170 [ 307.467532] ? find_held_lock+0x36/0x1c0 [ 307.471603] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.476274] ? lock_downgrade+0x900/0x900 [ 307.480446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.486004] cache_grow_begin+0x91/0x8c0 [ 307.490068] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.494498] fallback_alloc+0x203/0x2e0 [ 307.498480] ____cache_alloc_node+0x1c7/0x1e0 [ 307.503003] kmem_cache_alloc_node+0xe3/0x730 [ 307.507503] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.511752] __alloc_skb+0x119/0x770 [ 307.515468] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.520768] ? skb_scrub_packet+0x490/0x490 [ 307.525088] ? lock_downgrade+0x900/0x900 [ 307.529247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.534792] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.540248] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.545700] ? addrconf_rs_timer+0x6f0/0x6f0 [ 307.550123] ndisc_alloc_skb+0x144/0x340 [ 307.554195] ndisc_send_rs+0x331/0x6e0 [ 307.558105] addrconf_rs_timer+0x3c0/0x6f0 [ 307.562358] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.566613] call_timer_fn+0x272/0x920 [ 307.570503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.574742] ? process_timeout+0x40/0x40 [ 307.578815] ? find_held_lock+0x36/0x1c0 [ 307.582887] ? __run_timers+0x7da/0xc70 [ 307.586866] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.591372] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.595878] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.600118] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 307.604707] ? trace_hardirqs_on+0xbd/0x310 [ 307.609032] ? kasan_check_read+0x11/0x20 [ 307.613185] ? __run_timers+0x7da/0xc70 [ 307.617162] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.622619] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.626865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.631116] __run_timers+0x7e5/0xc70 [ 307.634948] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 307.640315] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 307.645335] ? graph_lock+0x170/0x170 [ 307.649143] ? enqueue_hrtimer+0x1a5/0x560 [ 307.653379] ? lock_release+0x970/0x970 [ 307.657371] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 307.662565] ? find_held_lock+0x36/0x1c0 [ 307.666634] ? pvclock_read_flags+0x160/0x160 [ 307.671142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.676679] ? check_preemption_disabled+0x48/0x200 [ 307.681704] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 307.687245] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.692527] ? rcu_pm_notify+0xc0/0xc0 [ 307.696428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.701963] ? check_preemption_disabled+0x48/0x200 [ 307.706991] run_timer_softirq+0x52/0xb0 [ 307.711092] ? rcu_read_lock_sched_held+0x108/0x120 [ 307.716124] __do_softirq+0x30b/0xad8 [ 307.719939] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 307.725065] ? pvclock_read_flags+0x160/0x160 [ 307.729565] ? lapic_next_event+0x5a/0x90 [ 307.733714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.739250] ? check_preemption_disabled+0x48/0x200 [ 307.744267] ? check_preemption_disabled+0x48/0x200 [ 307.749293] ? kvm_clock_read+0x18/0x30 [ 307.753274] ? kvm_sched_clock_read+0x9/0x20 [ 307.757684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.763221] ? check_preemption_disabled+0x48/0x200 [ 307.768251] irq_exit+0x17f/0x1c0 [ 307.771709] smp_apic_timer_interrupt+0x1cb/0x760 [ 307.776566] ? smp_call_function_single_interrupt+0x650/0x650 [ 307.782450] ? interrupt_entry+0xb5/0xf0 [ 307.786520] ? trace_hardirqs_off_caller+0xbb/0x300 [ 307.791541] ? trace_hardirqs_off_caller+0xbb/0x300 [ 307.796571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.801413] ? trace_hardirqs_off+0x300/0x300 [ 307.805933] ? trace_hardirqs_off+0x300/0x300 [ 307.810428] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.815967] ? check_preemption_disabled+0x48/0x200 [ 307.821002] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.826562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.831430] apic_timer_interrupt+0xf/0x20 [ 307.835656] [ 307.837895] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 307.843007] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 307.861916] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 307.869650] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 307.876930] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 307.884200] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 307.891473] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 307.898747] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 307.906072] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.910571] finish_task_switch+0x1f5/0x900 [ 307.914892] ? finish_task_switch+0x1b5/0x900 [ 307.919388] ? __switch_to_asm+0x34/0x70 [ 307.923455] ? preempt_notifier_register+0x200/0x200 [ 307.928556] ? __switch_to_asm+0x34/0x70 [ 307.932621] ? __switch_to_asm+0x34/0x70 [ 307.936681] ? __switch_to_asm+0x40/0x70 [ 307.940740] ? __switch_to_asm+0x34/0x70 [ 307.944800] ? __switch_to_asm+0x40/0x70 [ 307.948862] ? __switch_to_asm+0x34/0x70 [ 307.952922] ? __switch_to_asm+0x40/0x70 [ 307.956983] ? __switch_to_asm+0x34/0x70 [ 307.961062] ? __switch_to_asm+0x40/0x70 [ 307.965121] ? __switch_to_asm+0x34/0x70 [ 307.969182] ? __switch_to_asm+0x40/0x70 [ 307.973243] ? __switch_to_asm+0x34/0x70 [ 307.977308] ? __switch_to_asm+0x40/0x70 [ 307.981373] ? __switch_to_asm+0x34/0x70 [ 307.985436] ? __switch_to_asm+0x40/0x70 [ 307.989524] __schedule+0x874/0x1ed0 [ 307.993259] ? lockdep_hardirqs_on+0x421/0x5c0 [ 307.997857] ? __sched_text_start+0x8/0x8 [ 308.002022] ? graph_lock+0x170/0x170 [ 308.005833] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 308.010619] ? lockdep_hardirqs_on+0x421/0x5c0 [ 308.015201] ? retint_kernel+0x2d/0x2d [ 308.019093] ? find_held_lock+0x36/0x1c0 [ 308.023170] schedule+0xfe/0x460 [ 308.027035] ? __schedule+0x1ed0/0x1ed0 [ 308.031021] ? lockdep_hardirqs_on+0x421/0x5c0 [ 308.035613] ? trace_hardirqs_on+0xbd/0x310 [ 308.039946] ? kasan_check_read+0x11/0x20 [ 308.044100] ? worker_thread+0x3ca/0x1390 [ 308.048253] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.053716] ? kasan_check_write+0x14/0x20 [ 308.057957] ? do_raw_spin_lock+0xc1/0x200 [ 308.062214] worker_thread+0x3cf/0x1390 [ 308.066190] ? __switch_to_asm+0x34/0x70 [ 308.070266] ? process_one_work+0x1b90/0x1b90 [ 308.074772] ? graph_lock+0x170/0x170 [ 308.078582] ? __sched_text_start+0x8/0x8 [ 308.082742] ? find_held_lock+0x36/0x1c0 [ 308.086816] ? __kthread_parkme+0xce/0x1a0 [ 308.091057] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 308.096182] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 308.101289] ? lockdep_hardirqs_on+0x421/0x5c0 [ 308.105873] ? trace_hardirqs_on+0xbd/0x310 [ 308.110219] ? kasan_check_read+0x11/0x20 [ 308.114369] ? __kthread_parkme+0xce/0x1a0 [ 308.118606] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.124065] ? kasan_check_write+0x14/0x20 [ 308.128302] ? do_raw_spin_lock+0xc1/0x200 [ 308.132544] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 308.137857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.143398] ? __kthread_parkme+0xfb/0x1a0 [ 308.147671] kthread+0x35a/0x420 [ 308.151044] ? process_one_work+0x1b90/0x1b90 [ 308.155537] ? kthread_bind+0x40/0x40 [ 308.159339] ret_from_fork+0x3a/0x50 [ 308.163067] warn_alloc_show_mem: 1 callbacks suppressed [ 308.163080] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 308.163082] Mem-Info: [ 308.163113] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 308.163113] active_file:13 inactive_file:18 isolated_file:0 [ 308.163113] unevictable:0 dirty:0 writeback:0 unstable:0 [ 308.163113] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 308.163113] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 308.163113] free:13747 free_pcp:307 free_cma:0 [ 308.168455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.175650] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 308.178052] Call Trace: [ 308.210919] Node 0 [ 308.220268] [ 308.247976] 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 [ 308.250550] dump_stack+0x1c4/0x2b4 [ 308.252763] lowmem_reserve[]: [ 308.254918] ? dump_stack_print_info.cold.2+0x52/0x52 [ 308.280396] 0 2815 [ 308.284047] warn_alloc.cold.118+0xb7/0x1bd [ 308.287119] 6318 [ 308.292304] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 308.294522] 6318 [ 308.298844] ? lock_downgrade+0x900/0x900 [ 308.305724] ? trace_hardirqs_off+0xb8/0x300 [ 308.307763] Node 0 [ 308.311909] ? trace_hardirqs_off+0xb8/0x300 [ 308.316321] DMA32 free:25280kB 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 [ 308.318544] __alloc_pages_slowpath+0x2667/0x2d80 [ 308.322914] lowmem_reserve[]: 0 [ 308.349928] ? warn_alloc+0x120/0x120 [ 308.354714] 0 3503 [ 308.358016] ? trace_hardirqs_on+0x310/0x310 [ 308.361799] 3503 [ 308.364039] ? warn_alloc+0x120/0x120 [ 308.368428] Node 0 [ 308.370511] ? print_usage_bug+0xc0/0xc0 [ 308.374309] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 308.376519] ? warn_alloc+0x120/0x120 [ 308.380549] lowmem_reserve[]: 0 [ 308.408916] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 308.408934] ? print_usage_bug+0xc0/0xc0 [ 308.412818] 0 [ 308.416094] ? __lock_acquire+0x7ec/0x4ec0 [ 308.421082] 0 0 [ 308.425165] ? __lock_acquire+0x7ec/0x4ec0 [ 308.431182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.433139] Node 0 [ 308.437372] ? should_fail+0x22d/0xd01 [ 308.442893] DMA: [ 308.445140] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.449011] 1*4kB [ 308.451075] ? __lock_acquire+0x7ec/0x4ec0 [ 308.456152] (U) [ 308.458300] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.462511] 0*8kB [ 308.464485] ? __lock_acquire+0x7ec/0x4ec0 [ 308.469578] 0*16kB [ 308.471722] ? should_fail+0x22d/0xd01 [ 308.475927] 1*32kB (U) [ 308.478171] ? print_usage_bug+0xc0/0xc0 [ 308.482046] 2*64kB [ 308.484622] ? mark_held_locks+0x130/0x130 [ 308.488676] (U) [ 308.490916] ? mark_held_locks+0x130/0x130 [ 308.495127] 1*128kB [ 308.497111] ? graph_lock+0x170/0x170 [ 308.501321] (U) [ 308.503645] ? print_usage_bug+0xc0/0xc0 [ 308.507424] 1*256kB [ 308.509401] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 308.513436] (U) [ 308.515759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.520492] 0*512kB [ 308.522469] ? check_preemption_disabled+0x48/0x200 [ 308.527998] 1*1024kB [ 308.530314] ? check_preemption_disabled+0x48/0x200 [ 308.535306] (U) [ 308.537718] ? __lock_is_held+0xb5/0x140 [ 308.542705] 1*2048kB [ 308.544679] __alloc_pages_nodemask+0xa80/0xde0 [ 308.548714] (M) [ 308.551119] ? graph_lock+0x170/0x170 [ 308.555768] 3*4096kB [ 308.557739] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 308.561518] (M) [ 308.563927] ? graph_lock+0x170/0x170 [ 308.568911] = 15908kB [ 308.568920] Node 0 [ 308.570896] ? find_held_lock+0x36/0x1c0 [ 308.574670] DMA32: 4*4kB [ 308.577100] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.579311] (UM) [ 308.583367] ? lock_downgrade+0x900/0x900 [ 308.586115] 2*8kB [ 308.590779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.592815] (M) [ 308.596972] cache_grow_begin+0x91/0x8c0 [ 308.599099] 2*16kB [ 308.604628] ? do_raw_spin_unlock+0xa7/0x2f0 [ 308.606581] (UM) [ 308.610641] fallback_alloc+0x203/0x2e0 [ 308.612853] 2*32kB [ 308.617258] ____cache_alloc_node+0x1c7/0x1e0 [ 308.619310] (UM) [ 308.623283] kmem_cache_alloc_node+0xe3/0x730 [ 308.625504] 3*64kB [ 308.629998] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.632039] (UM) [ 308.636539] __alloc_skb+0x119/0x770 [ 308.638747] 3*128kB [ 308.642977] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.645019] (M) [ 308.648731] ? skb_scrub_packet+0x490/0x490 [ 308.651032] 2*256kB [ 308.656303] ? lock_downgrade+0x900/0x900 [ 308.658257] (M) [ 308.662578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.664878] 3*512kB [ 308.669023] ? refcount_sub_and_test_checked+0x203/0x310 [ 308.670977] (M) [ 308.676519] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 308.678814] 4*1024kB (UM) [ 308.684268] ? addrconf_rs_timer+0x6f0/0x6f0 [ 308.686226] 3*2048kB [ 308.691676] ndisc_alloc_skb+0x144/0x340 [ 308.694490] (UM) [ 308.698999] ndisc_send_rs+0x331/0x6e0 [ 308.701387] 3*4096kB (M) [ 308.705467] addrconf_rs_timer+0x3c0/0x6f0 [ 308.707510] = 25280kB [ 308.711395] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.714132] Node 0 [ 308.718388] call_timer_fn+0x272/0x920 [ 308.720758] Normal: 876*4kB [ 308.725012] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.727227] (UME) [ 308.731130] ? process_timeout+0x40/0x40 [ 308.734125] 393*8kB [ 308.738370] ? find_held_lock+0x36/0x1c0 [ 308.740494] (UMEH) 183*16kB [ 308.744568] ? __run_timers+0x7da/0xc70 [ 308.746890] (UMEH) [ 308.750947] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.753944] 70*32kB [ 308.757914] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.760128] (UMEH) [ 308.764620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.766947] 13*64kB [ 308.771485] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 308.773703] (UMH) [ 308.777931] ? trace_hardirqs_on+0xbd/0x310 [ 308.780230] 3*128kB [ 308.784802] ? kasan_check_read+0x11/0x20 [ 308.786943] (UH) [ 308.791262] ? __run_timers+0x7da/0xc70 [ 308.793566] 3*256kB [ 308.797710] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.799749] (H) [ 308.803718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.806025] 0*512kB [ 308.811470] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.813425] 0*1024kB [ 308.817664] __run_timers+0x7e5/0xc70 [ 308.819967] 0*2048kB [ 308.824213] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 308.826597] 0*4096kB [ 308.830404] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.832788] = 13800kB [ 308.838139] ? graph_lock+0x170/0x170 [ 308.840537] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 308.845543] ? enqueue_hrtimer+0x1a5/0x560 [ 308.847938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 308.851731] ? lock_release+0x970/0x970 [ 308.860544] 410 total pagecache pages [ 308.864772] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 308.873346] 0 pages in swap cache [ 308.877310] ? find_held_lock+0x36/0x1c0 [ 308.881082] Swap cache stats: add 0, delete 0, find 0/0 [ 308.881092] Free swap = 0kB [ 308.886278] ? graph_lock+0x170/0x170 [ 308.889700] Total swap = 0kB [ 308.889710] 1965979 pages RAM [ 308.893766] ? pvclock_read_flags+0x160/0x160 [ 308.899100] 0 pages HighMem/MovableOnly [ 308.899110] 343323 pages reserved [ 308.902129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.905898] 0 pages cma reserved [ 308.905976] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 308.908918] ? check_preemption_disabled+0x48/0x200 [ 308.908949] ? __lock_is_held+0xb5/0x140 [ 308.912100] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 308.916550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.920508] kworker/0:1 cpuset= [ 308.923954] ? check_preemption_disabled+0x48/0x200 [ 308.929469] / [ 308.932836] run_timer_softirq+0x52/0xb0 [ 308.939311] mems_allowed=0 [ 308.944326] ? rcu_read_lock_sched_held+0x108/0x120 [ 308.986123] __do_softirq+0x30b/0xad8 [ 308.989938] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 308.995053] ? pvclock_read_flags+0x160/0x160 [ 308.999553] ? lapic_next_event+0x5a/0x90 [ 309.003702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.009246] ? check_preemption_disabled+0x48/0x200 [ 309.014266] ? check_preemption_disabled+0x48/0x200 [ 309.019289] ? kvm_clock_read+0x18/0x30 [ 309.023266] ? kvm_sched_clock_read+0x9/0x20 [ 309.027683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.033224] ? check_preemption_disabled+0x48/0x200 [ 309.038260] irq_exit+0x17f/0x1c0 [ 309.041722] smp_apic_timer_interrupt+0x1cb/0x760 [ 309.046565] ? smp_reschedule_interrupt+0x109/0x650 [ 309.051583] ? smp_call_function_single_interrupt+0x650/0x650 [ 309.057507] ? interrupt_entry+0xb5/0xf0 [ 309.061584] ? trace_hardirqs_off_caller+0xbb/0x300 [ 309.066605] ? trace_hardirqs_off_caller+0xbb/0x300 [ 309.071641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.076503] ? trace_hardirqs_off+0x300/0x300 [ 309.081018] ? trace_hardirqs_off+0x300/0x300 [ 309.085519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.091064] ? check_preemption_disabled+0x48/0x200 [ 309.096093] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.100957] apic_timer_interrupt+0xf/0x20 [ 309.105203] [ 309.107446] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 309.112407] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 309.131321] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 309.139037] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 309.146311] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 309.153578] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 309.160845] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 309.168111] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 309.175426] skb_clone+0x1bb/0x500 [ 309.178972] ? skb_split+0x11e0/0x11e0 [ 309.182872] ? preempt_notifier_register+0x200/0x200 [ 309.187985] ? __switch_to_asm+0x34/0x70 [ 309.192053] ? __switch_to_asm+0x34/0x70 [ 309.196151] ? __switch_to_asm+0x40/0x70 [ 309.200211] ? __switch_to_asm+0x34/0x70 [ 309.204269] ? __switch_to_asm+0x40/0x70 [ 309.208334] ? __switch_to_asm+0x40/0x70 [ 309.212397] ? __switch_to_asm+0x34/0x70 [ 309.216470] ? __switch_to_asm+0x34/0x70 [ 309.220535] ? __switch_to_asm+0x40/0x70 [ 309.224593] ? __switch_to_asm+0x34/0x70 [ 309.228660] bpf_clone_redirect+0xb9/0x490 [ 309.232906] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 309.237930] ? __sched_text_start+0x8/0x8 [ 309.242084] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.246849] ? find_held_lock+0x36/0x1c0 [ 309.250915] ? lock_acquire+0x1ed/0x520 [ 309.254889] ? bpf_test_run+0x32e/0x5a0 [ 309.258870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.264410] ? check_preemption_disabled+0x48/0x200 [ 309.269457] ? kasan_check_read+0x11/0x20 [ 309.273609] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.278974] ? rcu_bh_qs+0xc0/0xc0 [ 309.282537] ? preempt_schedule+0x4d/0x60 [ 309.286695] ? ___preempt_schedule+0x16/0x18 [ 309.291110] ? bpf_test_run+0x1c0/0x5a0 [ 309.295131] ? netlink_diag_dump+0x2a0/0x2a0 [ 309.299546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.305087] ? bpf_test_init.isra.9+0x70/0x100 [ 309.309675] ? bpf_prog_test_run_skb+0x634/0xb40 [ 309.314439] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 309.319284] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 309.324824] ? fput+0x130/0x1a0 [ 309.328107] ? __bpf_prog_get+0x9b/0x290 [ 309.332181] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 309.337039] ? bpf_prog_test_run+0x130/0x1a0 [ 309.341454] ? __x64_sys_bpf+0x3d8/0x510 [ 309.345542] ? bpf_prog_get+0x20/0x20 [ 309.349363] ? ksys_ioctl+0x81/0xd0 [ 309.353013] ? do_syscall_64+0x1b9/0x820 [ 309.357082] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 309.362451] ? syscall_return_slowpath+0x5e0/0x5e0 [ 309.367392] ? trace_hardirqs_off+0x300/0x300 [ 309.371900] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 309.376921] ? recalc_sigpending_tsk+0x180/0x180 [ 309.381682] ? kasan_check_write+0x14/0x20 [ 309.385937] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.390812] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 309.396212] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 309.396290] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.403060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.403084] Workqueue: (null) (events) [ 309.403103] Call Trace: [ 309.409682] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.418939] [ 309.423771] syz-executor1 cpuset= [ 309.426353] dump_stack+0x1c4/0x2b4 [ 309.436812] syz1 [ 309.438960] ? dump_stack_print_info.cold.2+0x52/0x52 [ 309.442391] mems_allowed=0 [ 309.446025] warn_alloc.cold.118+0xb7/0x1bd [ 309.460373] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.465220] ? lock_downgrade+0x900/0x900 [ 309.469376] ? trace_hardirqs_off+0xb8/0x300 [ 309.473794] ? trace_hardirqs_off+0xb8/0x300 [ 309.478211] __alloc_pages_slowpath+0x2667/0x2d80 [ 309.483089] ? warn_alloc+0x120/0x120 [ 309.486897] ? warn_alloc+0x120/0x120 [ 309.490702] ? print_usage_bug+0xc0/0xc0 [ 309.494765] ? warn_alloc+0x120/0x120 [ 309.498565] ? print_usage_bug+0xc0/0xc0 [ 309.502632] ? __lock_acquire+0x7ec/0x4ec0 [ 309.506881] ? __lock_acquire+0x7ec/0x4ec0 [ 309.511121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.516660] ? should_fail+0x22d/0xd01 [ 309.520556] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.525658] ? __lock_acquire+0x7ec/0x4ec0 [ 309.529922] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.535031] ? __lock_acquire+0x7ec/0x4ec0 [ 309.539270] ? should_fail+0x22d/0xd01 [ 309.543172] ? mark_held_locks+0x130/0x130 [ 309.547411] ? mark_held_locks+0x130/0x130 [ 309.551652] ? graph_lock+0x170/0x170 [ 309.555453] ? graph_lock+0x170/0x170 [ 309.559256] ? graph_lock+0x170/0x170 [ 309.563057] ? print_usage_bug+0xc0/0xc0 [ 309.567119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.572659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.578195] ? check_preemption_disabled+0x48/0x200 [ 309.583211] ? check_preemption_disabled+0x48/0x200 [ 309.588239] ? __lock_is_held+0xb5/0x140 [ 309.592312] __alloc_pages_nodemask+0xa80/0xde0 [ 309.596980] ? graph_lock+0x170/0x170 [ 309.600789] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 309.605804] ? graph_lock+0x170/0x170 [ 309.609624] ? find_held_lock+0x36/0x1c0 [ 309.613700] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.618370] ? lock_downgrade+0x900/0x900 [ 309.622528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.628091] cache_grow_begin+0x91/0x8c0 [ 309.632157] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.636573] fallback_alloc+0x203/0x2e0 [ 309.640571] ____cache_alloc_node+0x1c7/0x1e0 [ 309.645072] kmem_cache_alloc_node+0xe3/0x730 [ 309.649570] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.653819] __alloc_skb+0x119/0x770 [ 309.657539] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.662825] ? skb_scrub_packet+0x490/0x490 [ 309.667147] ? lock_downgrade+0x900/0x900 [ 309.671306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.676846] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.682305] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.687758] ? addrconf_rs_timer+0x6f0/0x6f0 [ 309.692181] ndisc_alloc_skb+0x144/0x340 [ 309.696254] ndisc_send_rs+0x331/0x6e0 [ 309.700160] addrconf_rs_timer+0x3c0/0x6f0 [ 309.704407] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.708675] call_timer_fn+0x272/0x920 [ 309.712576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.716820] ? process_timeout+0x40/0x40 [ 309.720881] ? find_held_lock+0x36/0x1c0 [ 309.724969] ? __run_timers+0x7da/0xc70 [ 309.728961] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.733462] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.737960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.742205] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 309.746791] ? trace_hardirqs_on+0xbd/0x310 [ 309.751115] ? kasan_check_read+0x11/0x20 [ 309.755270] ? __run_timers+0x7da/0xc70 [ 309.759246] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.764700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.768951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.773186] __run_timers+0x7e5/0xc70 [ 309.777009] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 309.782553] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 309.787574] ? graph_lock+0x170/0x170 [ 309.791383] ? enqueue_hrtimer+0x1a5/0x560 [ 309.795645] ? lock_release+0x970/0x970 [ 309.799636] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 309.804830] ? find_held_lock+0x36/0x1c0 [ 309.808908] ? pvclock_read_flags+0x160/0x160 [ 309.813411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.818959] ? check_preemption_disabled+0x48/0x200 [ 309.824002] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 309.829538] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.834819] ? rcu_pm_notify+0xc0/0xc0 [ 309.838707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.844244] ? check_preemption_disabled+0x48/0x200 [ 309.849269] run_timer_softirq+0x52/0xb0 [ 309.853345] ? rcu_read_lock_sched_held+0x108/0x120 [ 309.858369] __do_softirq+0x30b/0xad8 [ 309.862182] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 309.867296] ? pvclock_read_flags+0x160/0x160 [ 309.871794] ? lapic_next_event+0x5a/0x90 [ 309.875957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.881510] ? check_preemption_disabled+0x48/0x200 [ 309.886525] ? check_preemption_disabled+0x48/0x200 [ 309.891549] ? kvm_clock_read+0x18/0x30 [ 309.895529] ? kvm_sched_clock_read+0x9/0x20 [ 309.899940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.905475] ? check_preemption_disabled+0x48/0x200 [ 309.910506] irq_exit+0x17f/0x1c0 [ 309.913967] smp_apic_timer_interrupt+0x1cb/0x760 [ 309.918821] ? smp_call_function_single_interrupt+0x650/0x650 [ 309.924709] ? interrupt_entry+0xb5/0xf0 [ 309.928772] ? trace_hardirqs_off_caller+0xbb/0x300 [ 309.933787] ? trace_hardirqs_off_caller+0xbb/0x300 [ 309.938805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.943651] ? trace_hardirqs_off+0x300/0x300 [ 309.948146] ? trace_hardirqs_off+0x300/0x300 [ 309.952648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.958186] ? check_preemption_disabled+0x48/0x200 [ 309.963203] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.968750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.973607] apic_timer_interrupt+0xf/0x20 [ 309.977842] [ 309.980081] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 309.985185] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 310.004087] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 310.011799] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 310.019066] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 310.026837] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 310.034104] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 310.041376] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 310.048687] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.053191] finish_task_switch+0x1f5/0x900 [ 310.057515] ? finish_task_switch+0x1b5/0x900 [ 310.062030] ? __switch_to_asm+0x34/0x70 [ 310.066122] ? preempt_notifier_register+0x200/0x200 [ 310.071271] ? __switch_to_asm+0x34/0x70 [ 310.075332] ? __switch_to_asm+0x34/0x70 [ 310.079391] ? __switch_to_asm+0x40/0x70 [ 310.083451] ? __switch_to_asm+0x34/0x70 [ 310.087539] ? __switch_to_asm+0x40/0x70 [ 310.091610] ? __switch_to_asm+0x34/0x70 [ 310.095672] ? __switch_to_asm+0x40/0x70 [ 310.099732] ? __switch_to_asm+0x34/0x70 [ 310.103791] ? __switch_to_asm+0x40/0x70 [ 310.107851] ? __switch_to_asm+0x34/0x70 [ 310.111913] ? __switch_to_asm+0x40/0x70 [ 310.115972] ? __switch_to_asm+0x34/0x70 [ 310.120046] ? __switch_to_asm+0x40/0x70 [ 310.124108] ? __switch_to_asm+0x34/0x70 [ 310.128170] ? __switch_to_asm+0x40/0x70 [ 310.132240] __schedule+0x874/0x1ed0 [ 310.136230] ? lockdep_hardirqs_on+0x421/0x5c0 [ 310.140828] ? __sched_text_start+0x8/0x8 [ 310.144987] ? graph_lock+0x170/0x170 [ 310.148800] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 310.153563] ? lockdep_hardirqs_on+0x421/0x5c0 [ 310.158148] ? retint_kernel+0x2d/0x2d [ 310.162041] ? find_held_lock+0x36/0x1c0 [ 310.166112] schedule+0xfe/0x460 [ 310.169495] ? __schedule+0x1ed0/0x1ed0 [ 310.173486] ? lockdep_hardirqs_on+0x421/0x5c0 [ 310.178083] ? trace_hardirqs_on+0xbd/0x310 [ 310.182416] ? kasan_check_read+0x11/0x20 [ 310.186558] ? worker_thread+0x3ca/0x1390 [ 310.190718] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.196187] ? kasan_check_write+0x14/0x20 [ 310.200425] ? do_raw_spin_lock+0xc1/0x200 [ 310.204666] worker_thread+0x3cf/0x1390 [ 310.208639] ? __switch_to_asm+0x34/0x70 [ 310.212714] ? process_one_work+0x1b90/0x1b90 [ 310.217233] ? graph_lock+0x170/0x170 [ 310.221043] ? __sched_text_start+0x8/0x8 [ 310.225202] ? find_held_lock+0x36/0x1c0 [ 310.229277] ? __kthread_parkme+0xce/0x1a0 [ 310.233515] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 310.238636] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 310.243745] ? lockdep_hardirqs_on+0x421/0x5c0 [ 310.248329] ? trace_hardirqs_on+0xbd/0x310 [ 310.252648] ? kasan_check_read+0x11/0x20 [ 310.256823] ? __kthread_parkme+0xce/0x1a0 [ 310.261061] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.266511] ? kasan_check_write+0x14/0x20 [ 310.270750] ? do_raw_spin_lock+0xc1/0x200 [ 310.274988] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 310.280103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.285641] ? __kthread_parkme+0xfb/0x1a0 [ 310.289879] kthread+0x35a/0x420 [ 310.293247] ? process_one_work+0x1b90/0x1b90 [ 310.297741] ? kthread_bind+0x40/0x40 [ 310.301546] ret_from_fork+0x3a/0x50 [ 310.305274] warn_alloc_show_mem: 1 callbacks suppressed [ 310.305287] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 310.305289] Mem-Info: [ 310.305321] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 310.305321] active_file:13 inactive_file:18 isolated_file:0 [ 310.305321] unevictable:0 dirty:0 writeback:0 unstable:0 [ 310.305321] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 310.305321] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 310.305321] free:13747 free_pcp:307 free_cma:0 [ 310.310655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.310664] Call Trace: [ 310.317886] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 310.320286] [ 310.353149] Node 0 [ 310.362508] dump_stack+0x1c4/0x2b4 [ 310.365092] 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 [ 310.392745] ? dump_stack_print_info.cold.2+0x52/0x52 [ 310.394864] lowmem_reserve[]: 0 [ 310.397114] warn_alloc.cold.118+0xb7/0x1bd [ 310.400705] 2815 6318 [ 310.426213] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 310.431380] 6318 [ 310.434658] ? lock_downgrade+0x900/0x900 [ 310.441482] ? trace_hardirqs_off+0xb8/0x300 [ 310.446296] Node 0 [ 310.448370] ? trace_hardirqs_off+0xb8/0x300 [ 310.452516] DMA32 free:25280kB 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 [ 310.456905] __alloc_pages_slowpath+0x2667/0x2d80 [ 310.459114] lowmem_reserve[]: [ 310.463556] ? warn_alloc+0x120/0x120 [ 310.490482] 0 0 [ 310.495337] ? trace_hardirqs_on+0x310/0x310 [ 310.498413] 3503 3503 [ 310.502216] ? warn_alloc+0x120/0x120 [ 310.508577] ? print_usage_bug+0xc0/0xc0 [ 310.511055] Node 0 [ 310.514853] ? warn_alloc+0x120/0x120 [ 310.518921] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 310.521131] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 310.524896] lowmem_reserve[]: 0 [ 310.553268] ? print_usage_bug+0xc0/0xc0 [ 310.558253] 0 0 [ 310.561536] ? __lock_acquire+0x7ec/0x4ec0 [ 310.565568] 0 [ 310.567566] ? __lock_acquire+0x7ec/0x4ec0 [ 310.571802] Node 0 [ 310.573602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.577808] DMA: 1*4kB [ 310.580064] ? should_fail+0x22d/0xd01 [ 310.585571] (U) 0*8kB [ 310.588162] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.592022] 0*16kB 1*32kB [ 310.594535] ? __lock_acquire+0x7ec/0x4ec0 [ 310.599612] (U) [ 310.602475] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.606697] 2*64kB [ 310.608680] ? __lock_acquire+0x7ec/0x4ec0 [ 310.613759] (U) [ 310.616004] ? should_fail+0x22d/0xd01 [ 310.616020] ? print_usage_bug+0xc0/0xc0 [ 310.620237] 1*128kB [ 310.622215] ? mark_held_locks+0x130/0x130 [ 310.626080] (U) [ 310.630139] ? mark_held_locks+0x130/0x130 [ 310.632441] 1*256kB [ 310.636676] ? graph_lock+0x170/0x170 [ 310.638624] (U) 0*512kB [ 310.642874] ? print_usage_bug+0xc0/0xc0 [ 310.645179] 1*1024kB [ 310.648996] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 310.651643] (U) [ 310.655699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.658125] 1*2048kB (M) [ 310.662888] ? check_preemption_disabled+0x48/0x200 [ 310.664838] 3*4096kB (M) [ 310.670383] ? check_preemption_disabled+0x48/0x200 [ 310.673126] = 15908kB [ 310.673135] Node 0 [ 310.678153] ? __lock_is_held+0xb5/0x140 [ 310.680877] DMA32: 4*4kB [ 310.685914] __alloc_pages_nodemask+0xa80/0xde0 [ 310.688300] (UM) [ 310.690534] ? graph_lock+0x170/0x170 [ 310.694572] 2*8kB [ 310.697327] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 310.701969] (M) [ 310.704055] ? graph_lock+0x170/0x170 [ 310.707849] 2*16kB [ 310.710020] ? find_held_lock+0x36/0x1c0 [ 310.715017] (UM) [ 310.717005] ? ____cache_alloc_node+0x1c7/0x1e0 [ 310.720776] 2*32kB [ 310.723018] ? lock_downgrade+0x900/0x900 [ 310.727069] (UM) [ 310.729131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.733776] 3*64kB [ 310.736028] cache_grow_begin+0x91/0x8c0 [ 310.740155] (UM) [ 310.742214] ? do_raw_spin_unlock+0xa7/0x2f0 [ 310.747730] 3*128kB [ 310.749961] fallback_alloc+0x203/0x2e0 [ 310.754000] (M) [ 310.756085] ____cache_alloc_node+0x1c7/0x1e0 [ 310.760469] 2*256kB [ 310.762792] kmem_cache_alloc_node+0xe3/0x730 [ 310.766746] (M) [ 310.768725] ? ipv6_get_ifaddr+0x42e/0x620 [ 310.773196] 3*512kB [ 310.775524] __alloc_skb+0x119/0x770 [ 310.779982] (M) 4*1024kB (UM) [ 310.781976] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.786187] 3*2048kB [ 310.788510] ? skb_scrub_packet+0x490/0x490 [ 310.792194] (UM) [ 310.795389] ? lock_downgrade+0x900/0x900 [ 310.800646] 3*4096kB [ 310.803059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.807355] (M) [ 310.809417] ? refcount_sub_and_test_checked+0x203/0x310 [ 310.813539] = 25280kB [ 310.815943] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 310.821469] Node 0 [ 310.823471] ? addrconf_rs_timer+0x6f0/0x6f0 [ 310.828904] Normal: 876*4kB [ 310.831357] ndisc_alloc_skb+0x144/0x340 [ 310.836777] (UME) [ 310.839025] ndisc_send_rs+0x331/0x6e0 [ 310.843405] 393*8kB (UMEH) [ 310.846443] addrconf_rs_timer+0x3c0/0x6f0 [ 310.850477] 183*16kB [ 310.852639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.856495] (UMEH) 70*32kB [ 310.859457] call_timer_fn+0x272/0x920 [ 310.863656] (UMEH) [ 310.866106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.870322] 13*64kB (UMH) [ 310.873259] ? process_timeout+0x40/0x40 [ 310.877114] 3*128kB (UH) [ 310.879353] ? find_held_lock+0x36/0x1c0 [ 310.883568] 3*256kB [ 310.886411] ? __run_timers+0x7da/0xc70 [ 310.890443] (H) [ 310.893203] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.897234] 0*512kB 0*1024kB [ 310.899564] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.903509] 0*2048kB 0*4096kB [ 310.905501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.909964] = 13800kB [ 310.909978] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 310.913079] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 310.917571] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 310.920752] ? trace_hardirqs_on+0xbd/0x310 [ 310.924962] 410 total pagecache pages [ 310.927373] ? kasan_check_read+0x11/0x20 [ 310.936213] 0 pages in swap cache [ 310.940786] ? __run_timers+0x7da/0xc70 [ 310.949340] Swap cache stats: add 0, delete 0, find 0/0 [ 310.953658] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.957434] Free swap = 0kB [ 310.961578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.965011] Total swap = 0kB [ 310.968992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.974333] 1965979 pages RAM [ 310.979776] __run_timers+0x7e5/0xc70 [ 310.982763] 0 pages HighMem/MovableOnly [ 310.982773] 343323 pages reserved [ 310.987021] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 310.990016] 0 pages cma reserved [ 310.990122] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 310.994267] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 310.997434] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 311.001156] ? graph_lock+0x170/0x170 [ 311.005107] kworker/0:1 cpuset= [ 311.008560] ? enqueue_hrtimer+0x1a5/0x560 [ 311.013925] / [ 311.017286] ? lock_release+0x970/0x970 [ 311.023760] mems_allowed=0 [ 311.028791] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 311.064196] ? find_held_lock+0x36/0x1c0 [ 311.068265] ? graph_lock+0x170/0x170 [ 311.072097] ? pvclock_read_flags+0x160/0x160 [ 311.076611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.082152] ? check_preemption_disabled+0x48/0x200 [ 311.087206] ? __lock_is_held+0xb5/0x140 [ 311.091269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.096809] ? check_preemption_disabled+0x48/0x200 [ 311.101836] run_timer_softirq+0x52/0xb0 [ 311.105898] ? rcu_read_lock_sched_held+0x108/0x120 [ 311.110920] __do_softirq+0x30b/0xad8 [ 311.114740] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 311.119848] ? pvclock_read_flags+0x160/0x160 [ 311.124344] ? lapic_next_event+0x5a/0x90 [ 311.128501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.134063] ? check_preemption_disabled+0x48/0x200 [ 311.139090] ? check_preemption_disabled+0x48/0x200 [ 311.144127] ? kvm_clock_read+0x18/0x30 [ 311.148109] ? kvm_sched_clock_read+0x9/0x20 [ 311.152529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.158075] ? check_preemption_disabled+0x48/0x200 [ 311.163120] irq_exit+0x17f/0x1c0 [ 311.166586] smp_apic_timer_interrupt+0x1cb/0x760 [ 311.171444] ? smp_reschedule_interrupt+0x109/0x650 [ 311.176468] ? smp_call_function_single_interrupt+0x650/0x650 [ 311.182381] ? interrupt_entry+0xb5/0xf0 [ 311.186465] ? trace_hardirqs_off_caller+0xbb/0x300 [ 311.191484] ? trace_hardirqs_off_caller+0xbb/0x300 [ 311.196540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.201401] ? trace_hardirqs_off+0x300/0x300 [ 311.205897] ? trace_hardirqs_off+0x300/0x300 [ 311.210423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.215976] ? check_preemption_disabled+0x48/0x200 [ 311.221023] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.225879] apic_timer_interrupt+0xf/0x20 [ 311.230115] [ 311.232362] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 311.237321] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 311.256228] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 311.263943] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 311.271215] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 311.278486] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 311.285761] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 311.293045] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 311.300363] skb_clone+0x1bb/0x500 [ 311.303910] ? skb_split+0x11e0/0x11e0 [ 311.307803] ? preempt_notifier_register+0x200/0x200 [ 311.312913] ? __switch_to_asm+0x34/0x70 [ 311.316988] ? __switch_to_asm+0x34/0x70 [ 311.321059] ? __switch_to_asm+0x40/0x70 [ 311.325126] ? __switch_to_asm+0x34/0x70 [ 311.329189] ? __switch_to_asm+0x40/0x70 [ 311.333256] ? __switch_to_asm+0x40/0x70 [ 311.337322] ? __switch_to_asm+0x34/0x70 [ 311.341385] ? __switch_to_asm+0x34/0x70 [ 311.345461] ? __switch_to_asm+0x40/0x70 [ 311.349540] ? __switch_to_asm+0x34/0x70 [ 311.353624] bpf_clone_redirect+0xb9/0x490 [ 311.357871] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 311.362901] ? __sched_text_start+0x8/0x8 [ 311.367083] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 311.371851] ? find_held_lock+0x36/0x1c0 [ 311.375920] ? lock_acquire+0x1ed/0x520 [ 311.379894] ? bpf_test_run+0x32e/0x5a0 [ 311.383891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.389437] ? check_preemption_disabled+0x48/0x200 [ 311.394466] ? kasan_check_read+0x11/0x20 [ 311.398629] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.403928] ? rcu_bh_qs+0xc0/0xc0 [ 311.407525] ? preempt_schedule+0x4d/0x60 [ 311.411682] ? ___preempt_schedule+0x16/0x18 [ 311.416106] ? bpf_test_run+0x1c0/0x5a0 [ 311.420099] ? netlink_diag_dump+0x2a0/0x2a0 [ 311.424553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.430122] ? bpf_test_init.isra.9+0x70/0x100 [ 311.434713] ? bpf_prog_test_run_skb+0x634/0xb40 [ 311.439504] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 311.444376] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 311.449917] ? fput+0x130/0x1a0 [ 311.453209] ? __bpf_prog_get+0x9b/0x290 [ 311.457281] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 311.462130] ? bpf_prog_test_run+0x130/0x1a0 [ 311.466547] ? __x64_sys_bpf+0x3d8/0x510 [ 311.470615] ? bpf_prog_get+0x20/0x20 [ 311.474444] ? ksys_ioctl+0x81/0xd0 [ 311.478102] ? do_syscall_64+0x1b9/0x820 [ 311.482179] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 311.487550] ? syscall_return_slowpath+0x5e0/0x5e0 [ 311.492487] ? trace_hardirqs_off+0x300/0x300 [ 311.497017] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 311.502038] ? recalc_sigpending_tsk+0x180/0x180 [ 311.506808] ? kasan_check_write+0x14/0x20 [ 311.511065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.515923] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 311.521309] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 311.521380] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 311.528156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.528179] Workqueue: (null) (events) [ 311.528190] Call Trace: [ 311.528197] [ 311.528215] dump_stack+0x1c4/0x2b4 [ 311.528232] ? dump_stack_print_info.cold.2+0x52/0x52 [ 311.534773] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 311.544081] warn_alloc.cold.118+0xb7/0x1bd [ 311.548894] syz-executor1 cpuset= [ 311.551495] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 311.553624] syz1 [ 311.557247] ? lock_downgrade+0x900/0x900 [ 311.562418] mems_allowed=0 [ 311.572920] ? trace_hardirqs_off+0xb8/0x300 [ 311.598918] ? trace_hardirqs_off+0xb8/0x300 [ 311.603343] __alloc_pages_slowpath+0x2667/0x2d80 [ 311.608220] ? warn_alloc+0x120/0x120 [ 311.612031] ? trace_hardirqs_on+0x310/0x310 [ 311.616446] ? warn_alloc+0x120/0x120 [ 311.620258] ? print_usage_bug+0xc0/0xc0 [ 311.624321] ? warn_alloc+0x120/0x120 [ 311.628131] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 311.633154] ? print_usage_bug+0xc0/0xc0 [ 311.637230] ? __lock_acquire+0x7ec/0x4ec0 [ 311.641495] ? __lock_acquire+0x7ec/0x4ec0 [ 311.645742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.651292] ? should_fail+0x22d/0xd01 [ 311.655190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.660298] ? __lock_acquire+0x7ec/0x4ec0 [ 311.664539] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.669654] ? __lock_acquire+0x7ec/0x4ec0 [ 311.673892] ? should_fail+0x22d/0xd01 [ 311.677780] ? print_usage_bug+0xc0/0xc0 [ 311.681867] ? mark_held_locks+0x130/0x130 [ 311.686110] ? mark_held_locks+0x130/0x130 [ 311.690354] ? graph_lock+0x170/0x170 [ 311.694160] ? print_usage_bug+0xc0/0xc0 [ 311.698223] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 311.702986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.708535] ? check_preemption_disabled+0x48/0x200 [ 311.713552] ? check_preemption_disabled+0x48/0x200 [ 311.718578] ? __lock_is_held+0xb5/0x140 [ 311.722664] __alloc_pages_nodemask+0xa80/0xde0 [ 311.727336] ? graph_lock+0x170/0x170 [ 311.731143] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 311.736157] ? graph_lock+0x170/0x170 [ 311.739970] ? find_held_lock+0x36/0x1c0 [ 311.744062] ? ____cache_alloc_node+0x1c7/0x1e0 [ 311.748734] ? lock_downgrade+0x900/0x900 [ 311.752895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.758442] cache_grow_begin+0x91/0x8c0 [ 311.762506] ? do_raw_spin_unlock+0xa7/0x2f0 [ 311.766927] fallback_alloc+0x203/0x2e0 [ 311.770908] ____cache_alloc_node+0x1c7/0x1e0 [ 311.775414] kmem_cache_alloc_node+0xe3/0x730 [ 311.779917] ? ipv6_get_ifaddr+0x42e/0x620 [ 311.784165] __alloc_skb+0x119/0x770 [ 311.787881] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.793168] ? skb_scrub_packet+0x490/0x490 [ 311.797542] ? lock_downgrade+0x900/0x900 [ 311.801799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.807340] ? refcount_sub_and_test_checked+0x203/0x310 [ 311.812796] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 311.818265] ? addrconf_rs_timer+0x6f0/0x6f0 [ 311.822687] ndisc_alloc_skb+0x144/0x340 [ 311.826753] ndisc_send_rs+0x331/0x6e0 [ 311.830646] addrconf_rs_timer+0x3c0/0x6f0 [ 311.834905] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.839160] call_timer_fn+0x272/0x920 [ 311.843104] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.847342] ? process_timeout+0x40/0x40 [ 311.851405] ? find_held_lock+0x36/0x1c0 [ 311.855480] ? __run_timers+0x7da/0xc70 [ 311.859463] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.863960] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.868460] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.872699] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 311.877288] ? trace_hardirqs_on+0xbd/0x310 [ 311.881607] ? kasan_check_read+0x11/0x20 [ 311.885756] ? __run_timers+0x7da/0xc70 [ 311.889733] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.895192] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.899436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.903674] __run_timers+0x7e5/0xc70 [ 311.907498] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 311.912866] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 311.917889] ? graph_lock+0x170/0x170 [ 311.921691] ? enqueue_hrtimer+0x1a5/0x560 [ 311.925933] ? lock_release+0x970/0x970 [ 311.929912] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 311.935108] ? find_held_lock+0x36/0x1c0 [ 311.939182] ? pvclock_read_flags+0x160/0x160 [ 311.943696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.949239] ? check_preemption_disabled+0x48/0x200 [ 311.954265] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 311.959808] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.965097] ? rcu_pm_notify+0xc0/0xc0 [ 311.969018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.974558] ? check_preemption_disabled+0x48/0x200 [ 311.979622] run_timer_softirq+0x52/0xb0 [ 311.983683] ? rcu_read_lock_sched_held+0x108/0x120 [ 311.988712] __do_softirq+0x30b/0xad8 [ 311.992526] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 311.997638] ? pvclock_read_flags+0x160/0x160 [ 312.002138] ? lapic_next_event+0x5a/0x90 [ 312.006289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.011839] ? check_preemption_disabled+0x48/0x200 [ 312.016851] ? check_preemption_disabled+0x48/0x200 [ 312.021877] ? kvm_clock_read+0x18/0x30 [ 312.026328] ? kvm_sched_clock_read+0x9/0x20 [ 312.030740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.036276] ? check_preemption_disabled+0x48/0x200 [ 312.041305] irq_exit+0x17f/0x1c0 [ 312.044763] smp_apic_timer_interrupt+0x1cb/0x760 [ 312.049609] ? smp_call_function_single_interrupt+0x650/0x650 [ 312.055497] ? interrupt_entry+0xb5/0xf0 [ 312.059563] ? trace_hardirqs_off_caller+0xbb/0x300 [ 312.064580] ? trace_hardirqs_off_caller+0xbb/0x300 [ 312.069602] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.074451] ? trace_hardirqs_off+0x300/0x300 [ 312.078971] ? trace_hardirqs_off+0x300/0x300 [ 312.083509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.089048] ? check_preemption_disabled+0x48/0x200 [ 312.094064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.099607] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.104461] apic_timer_interrupt+0xf/0x20 [ 312.108693] [ 312.110937] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 312.116041] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 312.135161] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 312.142887] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 312.150158] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 312.157424] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 312.164692] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 312.171958] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 312.179257] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.183759] finish_task_switch+0x1f5/0x900 [ 312.188085] ? finish_task_switch+0x1b5/0x900 [ 312.192579] ? __switch_to_asm+0x34/0x70 [ 312.196641] ? preempt_notifier_register+0x200/0x200 [ 312.201741] ? __switch_to_asm+0x34/0x70 [ 312.205803] ? __switch_to_asm+0x34/0x70 [ 312.209867] ? __switch_to_asm+0x40/0x70 [ 312.213924] ? __switch_to_asm+0x34/0x70 [ 312.217985] ? __switch_to_asm+0x40/0x70 [ 312.222065] ? __switch_to_asm+0x34/0x70 [ 312.226125] ? __switch_to_asm+0x40/0x70 [ 312.230186] ? __switch_to_asm+0x34/0x70 [ 312.234247] ? __switch_to_asm+0x40/0x70 [ 312.238318] ? __switch_to_asm+0x34/0x70 [ 312.242379] ? __switch_to_asm+0x40/0x70 [ 312.246454] ? __switch_to_asm+0x34/0x70 [ 312.250520] ? __switch_to_asm+0x40/0x70 [ 312.254590] ? __switch_to_asm+0x34/0x70 [ 312.258661] ? __switch_to_asm+0x40/0x70 [ 312.262755] __schedule+0x874/0x1ed0 [ 312.266483] ? lockdep_hardirqs_on+0x421/0x5c0 [ 312.271092] ? __sched_text_start+0x8/0x8 [ 312.275259] ? graph_lock+0x170/0x170 [ 312.279092] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 312.283867] ? lockdep_hardirqs_on+0x421/0x5c0 [ 312.288453] ? retint_kernel+0x2d/0x2d [ 312.292347] ? find_held_lock+0x36/0x1c0 [ 312.296421] schedule+0xfe/0x460 [ 312.299795] ? __schedule+0x1ed0/0x1ed0 [ 312.303771] ? lockdep_hardirqs_on+0x421/0x5c0 [ 312.308355] ? trace_hardirqs_on+0xbd/0x310 [ 312.312682] ? kasan_check_read+0x11/0x20 [ 312.316842] ? worker_thread+0x3ca/0x1390 [ 312.320989] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.326450] ? kasan_check_write+0x14/0x20 [ 312.330689] ? do_raw_spin_lock+0xc1/0x200 [ 312.334931] worker_thread+0x3cf/0x1390 [ 312.338902] ? __switch_to_asm+0x34/0x70 [ 312.342978] ? process_one_work+0x1b90/0x1b90 [ 312.347488] ? graph_lock+0x170/0x170 [ 312.351298] ? __sched_text_start+0x8/0x8 [ 312.355454] ? find_held_lock+0x36/0x1c0 [ 312.359527] ? __kthread_parkme+0xce/0x1a0 [ 312.363765] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 312.368873] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 312.373979] ? lockdep_hardirqs_on+0x421/0x5c0 [ 312.378566] ? trace_hardirqs_on+0xbd/0x310 [ 312.382887] ? kasan_check_read+0x11/0x20 [ 312.387039] ? __kthread_parkme+0xce/0x1a0 [ 312.391286] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.396738] ? kasan_check_write+0x14/0x20 [ 312.400977] ? do_raw_spin_lock+0xc1/0x200 [ 312.405223] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 312.410329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.415863] ? __kthread_parkme+0xfb/0x1a0 [ 312.420117] kthread+0x35a/0x420 [ 312.423525] ? process_one_work+0x1b90/0x1b90 [ 312.428033] ? kthread_bind+0x40/0x40 [ 312.431842] ret_from_fork+0x3a/0x50 [ 312.435571] warn_alloc_show_mem: 1 callbacks suppressed [ 312.435583] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 312.435585] Mem-Info: [ 312.435617] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 312.435617] active_file:13 inactive_file:18 isolated_file:0 [ 312.435617] unevictable:0 dirty:0 writeback:0 unstable:0 [ 312.435617] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 312.435617] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 312.435617] free:13747 free_pcp:307 free_cma:0 [ 312.440954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.440963] Call Trace: [ 312.448161] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 312.450564] [ 312.483427] Node 0 [ 312.492780] dump_stack+0x1c4/0x2b4 [ 312.495377] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 312.523044] ? dump_stack_print_info.cold.2+0x52/0x52 [ 312.525176] lowmem_reserve[]: [ 312.527418] warn_alloc.cold.118+0xb7/0x1bd [ 312.531027] 0 2815 [ 312.556549] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 312.561715] 6318 [ 312.564814] ? lock_downgrade+0x900/0x900 [ 312.569113] 6318 [ 312.571348] ? trace_hardirqs_off+0xb8/0x300 [ 312.578221] ? trace_hardirqs_off+0xb8/0x300 [ 312.582344] Node 0 [ 312.584419] __alloc_pages_slowpath+0x2667/0x2d80 [ 312.588826] DMA32 free:25280kB 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 [ 312.593240] ? warn_alloc+0x120/0x120 [ 312.595432] lowmem_reserve[]: [ 312.600272] ? warn_alloc+0x120/0x120 [ 312.627226] 0 [ 312.631022] ? print_usage_bug+0xc0/0xc0 [ 312.634105] 0 [ 312.637904] ? warn_alloc+0x120/0x120 [ 312.639683] 3503 [ 312.643736] ? print_usage_bug+0xc0/0xc0 [ 312.645552] 3503 [ 312.649346] ? __lock_acquire+0x7ec/0x4ec0 [ 312.655439] ? __lock_acquire+0x7ec/0x4ec0 [ 312.657484] Node 0 [ 312.661717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.665949] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 312.668157] ? should_fail+0x22d/0xd01 [ 312.673669] lowmem_reserve[]: [ 312.702033] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.705895] 0 [ 312.708999] ? __lock_acquire+0x7ec/0x4ec0 [ 312.714090] 0 [ 312.715895] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.720101] 0 0 [ 312.721919] ? __lock_acquire+0x7ec/0x4ec0 [ 312.728968] ? should_fail+0x22d/0xd01 [ 312.733178] Node 0 DMA: 1*4kB [ 312.737072] ? mark_held_locks+0x130/0x130 [ 312.737091] ? mark_held_locks+0x130/0x130 [ 312.740263] (U) [ 312.744491] ? graph_lock+0x170/0x170 [ 312.748734] 0*8kB [ 312.750708] ? graph_lock+0x170/0x170 [ 312.754488] 0*16kB [ 312.756646] ? graph_lock+0x170/0x170 [ 312.760423] 1*32kB [ 312.762674] ? print_usage_bug+0xc0/0xc0 [ 312.766454] (U) [ 312.768686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.772721] 2*64kB [ 312.774689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.780207] (U) [ 312.782440] ? check_preemption_disabled+0x48/0x200 [ 312.787954] 1*128kB [ 312.789921] ? check_preemption_disabled+0x48/0x200 [ 312.794919] (U) 1*256kB [ 312.797269] ? __lock_is_held+0xb5/0x140 [ 312.802254] (U) [ 312.804924] __alloc_pages_nodemask+0xa80/0xde0 [ 312.808963] 0*512kB [ 312.810940] ? graph_lock+0x170/0x170 [ 312.815585] 1*1024kB [ 312.817905] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 312.821680] (U) [ 312.824086] ? graph_lock+0x170/0x170 [ 312.829081] 1*2048kB [ 312.831073] ? find_held_lock+0x36/0x1c0 [ 312.834841] (M) [ 312.837253] ? ____cache_alloc_node+0x1c7/0x1e0 [ 312.841286] 3*4096kB [ 312.843259] ? lock_downgrade+0x900/0x900 [ 312.847907] (M) [ 312.850318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.854431] = 15908kB [ 312.854441] Node 0 [ 312.856416] cache_grow_begin+0x91/0x8c0 [ 312.861932] DMA32: 4*4kB [ 312.864351] ? do_raw_spin_unlock+0xa7/0x2f0 [ 312.866564] (UM) [ 312.870620] fallback_alloc+0x203/0x2e0 [ 312.873351] 2*8kB [ 312.877758] ____cache_alloc_node+0x1c7/0x1e0 [ 312.879796] (M) [ 312.883769] kmem_cache_alloc_node+0xe3/0x730 [ 312.885898] 2*16kB [ 312.890391] ? ipv6_get_ifaddr+0x42e/0x620 [ 312.892341] (UM) [ 312.896837] __alloc_skb+0x119/0x770 [ 312.899040] 2*32kB (UM) [ 312.903321] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.905374] 3*64kB [ 312.909079] ? skb_scrub_packet+0x490/0x490 [ 312.911728] (UM) [ 312.917013] ? lock_downgrade+0x900/0x900 [ 312.919225] 3*128kB (M) [ 312.923553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.925594] 2*256kB [ 312.929734] ? refcount_sub_and_test_checked+0x203/0x310 [ 312.932383] (M) [ 312.937916] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 312.940220] 3*512kB [ 312.945664] ? addrconf_rs_timer+0x6f0/0x6f0 [ 312.947616] (M) [ 312.953104] ndisc_alloc_skb+0x144/0x340 [ 312.955397] 4*1024kB [ 312.959815] ndisc_send_rs+0x331/0x6e0 [ 312.961769] (UM) [ 312.965825] addrconf_rs_timer+0x3c0/0x6f0 [ 312.968214] 3*2048kB [ 312.972097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.974138] (UM) [ 312.978378] call_timer_fn+0x272/0x920 [ 312.980759] 3*4096kB [ 312.985014] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.987056] (M) [ 312.990941] ? process_timeout+0x40/0x40 [ 312.993322] = 25280kB [ 312.993332] Node 0 [ 312.997562] ? find_held_lock+0x36/0x1c0 [ 312.999516] Normal: [ 313.003576] ? __run_timers+0x7da/0xc70 [ 313.005959] 876*4kB [ 313.008209] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.012245] (UME) [ 313.014574] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.018586] 393*8kB [ 313.020909] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.025386] (UMEH) [ 313.027535] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 313.032013] 183*16kB [ 313.034332] ? trace_hardirqs_on+0xbd/0x310 [ 313.038544] (UMEH) [ 313.040782] ? kasan_check_read+0x11/0x20 [ 313.040800] ? __run_timers+0x7da/0xc70 [ 313.045363] 70*32kB [ 313.047784] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.052082] (UMEH) [ 313.054333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.058450] 13*64kB (UMH) [ 313.062429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.064728] 3*128kB [ 313.070179] __run_timers+0x7e5/0xc70 [ 313.072408] (UH) [ 313.076649] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 313.079460] 3*256kB (H) [ 313.083707] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 313.086014] 0*512kB [ 313.089811] ? graph_lock+0x170/0x170 [ 313.091860] 0*1024kB [ 313.097218] ? enqueue_hrtimer+0x1a5/0x560 [ 313.099864] 0*2048kB 0*4096kB [ 313.104887] ? lock_release+0x970/0x970 [ 313.104908] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 313.107211] = 13800kB [ 313.107230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 313.111023] ? find_held_lock+0x36/0x1c0 [ 313.113418] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 313.117641] ? graph_lock+0x170/0x170 [ 313.120813] 410 total pagecache pages [ 313.124786] ? pvclock_read_flags+0x160/0x160 [ 313.129959] 0 pages in swap cache [ 313.132364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.141174] Swap cache stats: add 0, delete 0, find 0/0 [ 313.141184] Free swap = 0kB [ 313.145240] ? check_preemption_disabled+0x48/0x200 [ 313.153784] Total swap = 0kB [ 313.153793] 1965979 pages RAM [ 313.157600] ? __lock_is_held+0xb5/0x140 [ 313.161365] 0 pages HighMem/MovableOnly [ 313.161375] 343323 pages reserved [ 313.165868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.169300] 0 pages cma reserved [ 313.174830] ? check_preemption_disabled+0x48/0x200 [ 313.180232] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 313.183198] run_timer_softirq+0x52/0xb0 [ 313.188280] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 313.191214] ? rcu_read_lock_sched_held+0x108/0x120 [ 313.194300] kworker/0:1 cpuset= [ 313.198362] __do_softirq+0x30b/0xad8 [ 313.202312] / [ 313.205769] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 313.211280] mems_allowed=0 [ 313.214639] ? pvclock_read_flags+0x160/0x160 [ 313.266715] ? lapic_next_event+0x5a/0x90 [ 313.270868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.276409] ? check_preemption_disabled+0x48/0x200 [ 313.281696] ? check_preemption_disabled+0x48/0x200 [ 313.286724] ? kvm_clock_read+0x18/0x30 [ 313.290703] ? kvm_sched_clock_read+0x9/0x20 [ 313.295118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.300657] ? check_preemption_disabled+0x48/0x200 [ 313.305695] irq_exit+0x17f/0x1c0 [ 313.309154] smp_apic_timer_interrupt+0x1cb/0x760 [ 313.314009] ? smp_reschedule_interrupt+0x109/0x650 [ 313.319041] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.324927] ? interrupt_entry+0xb5/0xf0 [ 313.328998] ? trace_hardirqs_off_caller+0xbb/0x300 [ 313.334019] ? trace_hardirqs_off_caller+0xbb/0x300 [ 313.339045] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.343902] ? trace_hardirqs_off+0x300/0x300 [ 313.348440] ? trace_hardirqs_off+0x300/0x300 [ 313.352939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.358481] ? check_preemption_disabled+0x48/0x200 [ 313.363529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.368398] apic_timer_interrupt+0xf/0x20 [ 313.372629] [ 313.374874] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 313.379805] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 313.398719] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 313.406427] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 313.413696] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 313.420978] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 313.428257] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 313.435528] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 313.442846] skb_clone+0x1bb/0x500 [ 313.446399] ? skb_split+0x11e0/0x11e0 [ 313.450295] ? preempt_notifier_register+0x200/0x200 [ 313.455402] ? __switch_to_asm+0x34/0x70 [ 313.459481] ? __switch_to_asm+0x34/0x70 [ 313.463546] ? __switch_to_asm+0x40/0x70 [ 313.467609] ? __switch_to_asm+0x34/0x70 [ 313.471669] ? __switch_to_asm+0x40/0x70 [ 313.475733] ? __switch_to_asm+0x40/0x70 [ 313.479795] ? __switch_to_asm+0x34/0x70 [ 313.483857] ? __switch_to_asm+0x34/0x70 [ 313.487919] ? __switch_to_asm+0x40/0x70 [ 313.491989] ? __switch_to_asm+0x34/0x70 [ 313.496064] bpf_clone_redirect+0xb9/0x490 [ 313.500311] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 313.505334] ? __sched_text_start+0x8/0x8 [ 313.509489] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 313.514264] ? find_held_lock+0x36/0x1c0 [ 313.518340] ? lock_acquire+0x1ed/0x520 [ 313.522321] ? bpf_test_run+0x32e/0x5a0 [ 313.526300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.531856] ? check_preemption_disabled+0x48/0x200 [ 313.536877] ? kasan_check_read+0x11/0x20 [ 313.541041] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.546324] ? rcu_bh_qs+0xc0/0xc0 [ 313.549876] ? preempt_schedule+0x4d/0x60 [ 313.554052] ? ___preempt_schedule+0x16/0x18 [ 313.558508] ? bpf_test_run+0x1c0/0x5a0 [ 313.562510] ? netlink_diag_dump+0x2a0/0x2a0 [ 313.566926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.572459] ? bpf_test_init.isra.9+0x70/0x100 [ 313.577057] ? bpf_prog_test_run_skb+0x634/0xb40 [ 313.581850] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 313.586695] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 313.592242] ? fput+0x130/0x1a0 [ 313.595529] ? __bpf_prog_get+0x9b/0x290 [ 313.599598] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 313.604454] ? bpf_prog_test_run+0x130/0x1a0 [ 313.608867] ? __x64_sys_bpf+0x3d8/0x510 [ 313.612932] ? bpf_prog_get+0x20/0x20 [ 313.616746] ? ksys_ioctl+0x81/0xd0 [ 313.620384] ? do_syscall_64+0x1b9/0x820 [ 313.624460] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 313.629828] ? syscall_return_slowpath+0x5e0/0x5e0 [ 313.634767] ? trace_hardirqs_off+0x300/0x300 [ 313.639266] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 313.644289] ? recalc_sigpending_tsk+0x180/0x180 [ 313.649063] ? kasan_check_write+0x14/0x20 [ 313.653309] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.658170] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 313.663554] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 313.663624] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 313.670411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.670435] Workqueue: (null) (events) [ 313.670454] Call Trace: [ 313.677039] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 313.686297] [ 313.691141] syz-executor1 cpuset= [ 313.693724] dump_stack+0x1c4/0x2b4 [ 313.704184] syz1 [ 313.706344] ? dump_stack_print_info.cold.2+0x52/0x52 [ 313.709778] mems_allowed=0 [ 313.713409] warn_alloc.cold.118+0xb7/0x1bd [ 313.727775] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 313.732623] ? lock_downgrade+0x900/0x900 [ 313.736781] ? trace_hardirqs_off+0xb8/0x300 [ 313.741202] ? trace_hardirqs_off+0xb8/0x300 [ 313.745629] __alloc_pages_slowpath+0x2667/0x2d80 [ 313.750506] ? warn_alloc+0x120/0x120 [ 313.754317] ? trace_hardirqs_on+0x310/0x310 [ 313.758731] ? warn_alloc+0x120/0x120 [ 313.762538] ? print_usage_bug+0xc0/0xc0 [ 313.766618] ? warn_alloc+0x120/0x120 [ 313.770424] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 313.775445] ? print_usage_bug+0xc0/0xc0 [ 313.779511] ? __lock_acquire+0x7ec/0x4ec0 [ 313.783748] ? __lock_acquire+0x7ec/0x4ec0 [ 313.787990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.793536] ? should_fail+0x22d/0xd01 [ 313.797431] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.802538] ? __lock_acquire+0x7ec/0x4ec0 [ 313.806793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.811908] ? __lock_acquire+0x7ec/0x4ec0 [ 313.816143] ? should_fail+0x22d/0xd01 [ 313.820028] ? print_usage_bug+0xc0/0xc0 [ 313.824098] ? mark_held_locks+0x130/0x130 [ 313.828337] ? mark_held_locks+0x130/0x130 [ 313.832583] ? graph_lock+0x170/0x170 [ 313.836384] ? print_usage_bug+0xc0/0xc0 [ 313.840445] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 313.845208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.850746] ? check_preemption_disabled+0x48/0x200 [ 313.855776] ? check_preemption_disabled+0x48/0x200 [ 313.860818] ? __lock_is_held+0xb5/0x140 [ 313.864899] __alloc_pages_nodemask+0xa80/0xde0 [ 313.869575] ? graph_lock+0x170/0x170 [ 313.873386] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 313.878404] ? graph_lock+0x170/0x170 [ 313.882215] ? find_held_lock+0x36/0x1c0 [ 313.886288] ? ____cache_alloc_node+0x1c7/0x1e0 [ 313.890966] ? lock_downgrade+0x900/0x900 [ 313.895136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.900693] cache_grow_begin+0x91/0x8c0 [ 313.904797] ? do_raw_spin_unlock+0xa7/0x2f0 [ 313.909219] fallback_alloc+0x203/0x2e0 [ 313.913201] ____cache_alloc_node+0x1c7/0x1e0 [ 313.917707] kmem_cache_alloc_node+0xe3/0x730 [ 313.922210] ? ipv6_get_ifaddr+0x42e/0x620 [ 313.926455] __alloc_skb+0x119/0x770 [ 313.930172] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.935480] ? skb_scrub_packet+0x490/0x490 [ 313.939803] ? lock_downgrade+0x900/0x900 [ 313.943960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.949504] ? refcount_sub_and_test_checked+0x203/0x310 [ 313.954987] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 313.960467] ? addrconf_rs_timer+0x6f0/0x6f0 [ 313.964923] ndisc_alloc_skb+0x144/0x340 [ 313.968991] ndisc_send_rs+0x331/0x6e0 [ 313.972901] addrconf_rs_timer+0x3c0/0x6f0 [ 313.977159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.981417] call_timer_fn+0x272/0x920 [ 313.985308] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.989551] ? process_timeout+0x40/0x40 [ 313.993613] ? find_held_lock+0x36/0x1c0 [ 313.997686] ? __run_timers+0x7da/0xc70 [ 314.001669] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.006164] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.010679] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.014915] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 314.019506] ? trace_hardirqs_on+0xbd/0x310 [ 314.023840] ? kasan_check_read+0x11/0x20 [ 314.028498] ? __run_timers+0x7da/0xc70 [ 314.032479] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.037938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.042182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.046455] __run_timers+0x7e5/0xc70 [ 314.050299] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 314.055667] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 314.060686] ? graph_lock+0x170/0x170 [ 314.064491] ? enqueue_hrtimer+0x1a5/0x560 [ 314.068730] ? lock_release+0x970/0x970 [ 314.072709] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 314.077919] ? find_held_lock+0x36/0x1c0 [ 314.082003] ? pvclock_read_flags+0x160/0x160 [ 314.086516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.092078] ? check_preemption_disabled+0x48/0x200 [ 314.097106] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 314.102643] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.107927] ? rcu_pm_notify+0xc0/0xc0 [ 314.111818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.117399] ? check_preemption_disabled+0x48/0x200 [ 314.122424] run_timer_softirq+0x52/0xb0 [ 314.126494] ? rcu_read_lock_sched_held+0x108/0x120 [ 314.131518] __do_softirq+0x30b/0xad8 [ 314.135567] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 314.140686] ? pvclock_read_flags+0x160/0x160 [ 314.145191] ? lapic_next_event+0x5a/0x90 [ 314.149341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.154881] ? check_preemption_disabled+0x48/0x200 [ 314.159898] ? check_preemption_disabled+0x48/0x200 [ 314.164928] ? kvm_clock_read+0x18/0x30 [ 314.168908] ? kvm_sched_clock_read+0x9/0x20 [ 314.173321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.178858] ? check_preemption_disabled+0x48/0x200 [ 314.183923] irq_exit+0x17f/0x1c0 [ 314.187385] smp_apic_timer_interrupt+0x1cb/0x760 [ 314.192234] ? smp_call_function_single_interrupt+0x650/0x650 [ 314.198122] ? interrupt_entry+0xb5/0xf0 [ 314.202187] ? trace_hardirqs_off_caller+0xbb/0x300 [ 314.207206] ? trace_hardirqs_off_caller+0xbb/0x300 [ 314.212225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.217072] ? trace_hardirqs_off+0x300/0x300 [ 314.221594] ? trace_hardirqs_off+0x300/0x300 [ 314.226096] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.231633] ? check_preemption_disabled+0x48/0x200 [ 314.236650] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.242201] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.247056] apic_timer_interrupt+0xf/0x20 [ 314.251289] [ 314.253560] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 314.258664] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 314.277562] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 314.285277] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 314.292543] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 314.299810] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 314.307085] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 314.314353] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 314.321655] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.326157] finish_task_switch+0x1f5/0x900 [ 314.330484] ? finish_task_switch+0x1b5/0x900 [ 314.334984] ? __switch_to_asm+0x34/0x70 [ 314.339064] ? preempt_notifier_register+0x200/0x200 [ 314.344165] ? __switch_to_asm+0x34/0x70 [ 314.348224] ? __switch_to_asm+0x34/0x70 [ 314.352283] ? __switch_to_asm+0x40/0x70 [ 314.356341] ? __switch_to_asm+0x34/0x70 [ 314.360429] ? __switch_to_asm+0x40/0x70 [ 314.364487] ? __switch_to_asm+0x34/0x70 [ 314.368543] ? __switch_to_asm+0x40/0x70 [ 314.372602] ? __switch_to_asm+0x34/0x70 [ 314.376659] ? __switch_to_asm+0x40/0x70 [ 314.380716] ? __switch_to_asm+0x34/0x70 [ 314.384789] ? __switch_to_asm+0x40/0x70 [ 314.388861] ? __switch_to_asm+0x34/0x70 [ 314.392922] ? __switch_to_asm+0x40/0x70 [ 314.396988] ? __switch_to_asm+0x34/0x70 [ 314.401061] ? __switch_to_asm+0x40/0x70 [ 314.405127] __schedule+0x874/0x1ed0 [ 314.408857] ? lockdep_hardirqs_on+0x421/0x5c0 [ 314.413449] ? __sched_text_start+0x8/0x8 [ 314.417612] ? graph_lock+0x170/0x170 [ 314.421419] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 314.426190] ? lockdep_hardirqs_on+0x421/0x5c0 [ 314.430777] ? retint_kernel+0x2d/0x2d [ 314.434668] ? find_held_lock+0x36/0x1c0 [ 314.438748] schedule+0xfe/0x460 [ 314.442122] ? __schedule+0x1ed0/0x1ed0 [ 314.446102] ? lockdep_hardirqs_on+0x421/0x5c0 [ 314.450690] ? trace_hardirqs_on+0xbd/0x310 [ 314.455039] ? kasan_check_read+0x11/0x20 [ 314.459215] ? worker_thread+0x3ca/0x1390 [ 314.463365] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.468841] ? kasan_check_write+0x14/0x20 [ 314.473088] ? do_raw_spin_lock+0xc1/0x200 [ 314.477334] worker_thread+0x3cf/0x1390 [ 314.481336] ? __switch_to_asm+0x34/0x70 [ 314.485413] ? process_one_work+0x1b90/0x1b90 [ 314.489928] ? graph_lock+0x170/0x170 [ 314.493742] ? __sched_text_start+0x8/0x8 [ 314.497902] ? find_held_lock+0x36/0x1c0 [ 314.501976] ? __kthread_parkme+0xce/0x1a0 [ 314.506219] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 314.511322] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 314.516448] ? lockdep_hardirqs_on+0x421/0x5c0 [ 314.521048] ? trace_hardirqs_on+0xbd/0x310 [ 314.525372] ? kasan_check_read+0x11/0x20 [ 314.529525] ? __kthread_parkme+0xce/0x1a0 [ 314.533766] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.539222] ? kasan_check_write+0x14/0x20 [ 314.543463] ? do_raw_spin_lock+0xc1/0x200 [ 314.547706] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 314.552813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.558353] ? __kthread_parkme+0xfb/0x1a0 [ 314.562616] kthread+0x35a/0x420 [ 314.565989] ? process_one_work+0x1b90/0x1b90 [ 314.570490] ? kthread_bind+0x40/0x40 [ 314.574297] ret_from_fork+0x3a/0x50 [ 314.578030] warn_alloc_show_mem: 1 callbacks suppressed [ 314.578051] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 314.578053] Mem-Info: [ 314.578083] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 314.578083] active_file:13 inactive_file:18 isolated_file:0 [ 314.578083] unevictable:0 dirty:0 writeback:0 unstable:0 [ 314.578083] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 314.578083] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 314.578083] free:13747 free_pcp:307 free_cma:0 [ 314.583421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.583431] Call Trace: [ 314.590628] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 314.593037] [ 314.625948] Node 0 [ 314.635311] dump_stack+0x1c4/0x2b4 [ 314.637897] 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 [ 314.665570] ? dump_stack_print_info.cold.2+0x52/0x52 [ 314.667698] lowmem_reserve[]: [ 314.669971] warn_alloc.cold.118+0xb7/0x1bd [ 314.673556] 0 2815 [ 314.699095] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 314.704262] 6318 [ 314.707368] ? lock_downgrade+0x900/0x900 [ 314.711659] 6318 [ 314.713907] ? trace_hardirqs_off+0xb8/0x300 [ 314.718736] Node 0 [ 314.720805] ? trace_hardirqs_off+0xb8/0x300 [ 314.724949] DMA32 free:25280kB 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 [ 314.727005] __alloc_pages_slowpath+0x2667/0x2d80 [ 314.731375] lowmem_reserve[]: 0 [ 314.733644] ? warn_alloc+0x120/0x120 [ 314.738006] 0 3503 [ 314.765013] ? trace_hardirqs_on+0x310/0x310 [ 314.769839] 3503 [ 314.773141] ? warn_alloc+0x120/0x120 [ 314.776914] Node 0 [ 314.779152] ? print_usage_bug+0xc0/0xc0 [ 314.783564] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 314.785601] ? warn_alloc+0x120/0x120 [ 314.789375] lowmem_reserve[]: [ 314.791613] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 314.795648] 0 [ 314.824050] ? print_usage_bug+0xc0/0xc0 [ 314.827828] 0 [ 314.830941] ? __lock_acquire+0x7ec/0x4ec0 [ 314.835929] 0 0 [ 314.837762] ? __lock_acquire+0x7ec/0x4ec0 [ 314.843605] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.847814] Node 0 [ 314.849790] ? should_fail+0x22d/0xd01 [ 314.854002] DMA: [ 314.859530] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.861747] 1*4kB [ 314.865625] ? __lock_acquire+0x7ec/0x4ec0 [ 314.867662] (U) [ 314.872776] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.874901] 0*8kB 0*16kB [ 314.879161] ? __lock_acquire+0x7ec/0x4ec0 [ 314.881128] 1*32kB [ 314.886225] ? should_fail+0x22d/0xd01 [ 314.888960] (U) [ 314.893197] ? print_usage_bug+0xc0/0xc0 [ 314.895412] 2*64kB [ 314.899305] ? mark_held_locks+0x130/0x130 [ 314.901258] (U) [ 314.905320] ? mark_held_locks+0x130/0x130 [ 314.907551] 1*128kB (U) [ 314.911801] ? graph_lock+0x170/0x170 [ 314.913758] 1*256kB [ 314.917994] ? print_usage_bug+0xc0/0xc0 [ 314.920635] (U) 0*512kB [ 314.924458] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 314.926758] 1*1024kB [ 314.930812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.933460] (U) [ 314.938229] ? check_preemption_disabled+0x48/0x200 [ 314.940618] 1*2048kB [ 314.946148] ? check_preemption_disabled+0x48/0x200 [ 314.948104] (M) [ 314.953125] ? __lock_is_held+0xb5/0x140 [ 314.955505] 3*4096kB (M) [ 314.960533] __alloc_pages_nodemask+0xa80/0xde0 [ 314.962483] = 15908kB [ 314.962492] Node 0 [ 314.966549] ? graph_lock+0x170/0x170 [ 314.969285] DMA32: [ 314.973947] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 314.976336] 4*4kB [ 314.978566] ? graph_lock+0x170/0x170 [ 314.982346] (UM) [ 314.984582] ? find_held_lock+0x36/0x1c0 [ 314.989572] 2*8kB [ 314.991722] ? ____cache_alloc_node+0x1c7/0x1e0 [ 314.995495] (M) [ 314.997558] ? lock_downgrade+0x900/0x900 [ 315.001597] 2*16kB [ 315.003749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.008405] (UM) [ 315.010393] cache_grow_begin+0x91/0x8c0 [ 315.014518] 2*32kB [ 315.016746] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.022256] (UM) [ 315.024340] fallback_alloc+0x203/0x2e0 [ 315.028375] 3*64kB [ 315.030607] ____cache_alloc_node+0x1c7/0x1e0 [ 315.034993] (UM) [ 315.037069] kmem_cache_alloc_node+0xe3/0x730 [ 315.041017] 3*128kB (M) [ 315.043269] ? ipv6_get_ifaddr+0x42e/0x620 [ 315.047729] 2*256kB (M) [ 315.049801] __alloc_skb+0x119/0x770 [ 315.054262] 3*512kB (M) [ 315.056953] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.061157] 4*1024kB (UM) [ 315.063835] ? skb_scrub_packet+0x490/0x490 [ 315.067531] 3*2048kB [ 315.070200] ? lock_downgrade+0x900/0x900 [ 315.075450] (UM) [ 315.078297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.082591] 3*4096kB [ 315.085001] ? refcount_sub_and_test_checked+0x203/0x310 [ 315.089120] (M) [ 315.091179] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 315.096683] = 25280kB [ 315.096692] Node 0 [ 315.099105] ? addrconf_rs_timer+0x6f0/0x6f0 [ 315.104534] Normal: [ 315.106523] ndisc_alloc_skb+0x144/0x340 [ 315.111937] 876*4kB [ 315.114347] ndisc_send_rs+0x331/0x6e0 [ 315.116561] (UME) [ 315.120999] addrconf_rs_timer+0x3c0/0x6f0 [ 315.123290] 393*8kB (UMEH) [ 315.127364] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.129666] 183*16kB [ 315.133571] call_timer_fn+0x272/0x920 [ 315.135691] (UMEH) [ 315.139920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.142831] 70*32kB [ 315.147066] ? process_timeout+0x40/0x40 [ 315.149469] (UMEH) [ 315.153353] ? find_held_lock+0x36/0x1c0 [ 315.155567] 13*64kB [ 315.159800] ? __run_timers+0x7da/0xc70 [ 315.162094] (UMH) [ 315.166154] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.168364] 3*128kB (UH) [ 315.172455] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.174770] 3*256kB (H) [ 315.178750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.180882] 0*512kB [ 315.185375] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 315.188103] 0*1024kB 0*2048kB [ 315.192608] ? trace_hardirqs_on+0xbd/0x310 [ 315.195250] 0*4096kB = 13800kB [ 315.199490] ? kasan_check_read+0x11/0x20 [ 315.201798] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 315.206373] ? __run_timers+0x7da/0xc70 [ 315.209554] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 315.209564] 410 total pagecache pages [ 315.213882] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.217061] 0 pages in swap cache [ 315.221202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.230016] Swap cache stats: add 0, delete 0, find 0/0 [ 315.230025] Free swap = 0kB [ 315.234005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.242564] Total swap = 0kB [ 315.242573] 1965979 pages RAM [ 315.246371] __run_timers+0x7e5/0xc70 [ 315.251790] 0 pages HighMem/MovableOnly [ 315.251799] 343323 pages reserved [ 315.255257] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 315.259453] 0 pages cma reserved [ 315.259523] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 315.264824] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 315.267946] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 315.272084] ? graph_lock+0x170/0x170 [ 315.275087] kworker/0:1 cpuset= [ 315.278187] ? enqueue_hrtimer+0x1a5/0x560 [ 315.281981] / [ 315.285958] ? lock_release+0x970/0x970 [ 315.289389] mems_allowed=0 [ 315.294743] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 315.344875] ? find_held_lock+0x36/0x1c0 [ 315.348942] ? graph_lock+0x170/0x170 [ 315.352763] ? pvclock_read_flags+0x160/0x160 [ 315.357262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.362798] ? check_preemption_disabled+0x48/0x200 [ 315.367826] ? __lock_is_held+0xb5/0x140 [ 315.371891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.377442] ? check_preemption_disabled+0x48/0x200 [ 315.382468] run_timer_softirq+0x52/0xb0 [ 315.386571] ? rcu_read_lock_sched_held+0x108/0x120 [ 315.391605] __do_softirq+0x30b/0xad8 [ 315.395463] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 315.400593] ? pvclock_read_flags+0x160/0x160 [ 315.405093] ? lapic_next_event+0x5a/0x90 [ 315.409246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.414786] ? check_preemption_disabled+0x48/0x200 [ 315.419801] ? check_preemption_disabled+0x48/0x200 [ 315.424830] ? kvm_clock_read+0x18/0x30 [ 315.428808] ? kvm_sched_clock_read+0x9/0x20 [ 315.433220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.438759] ? check_preemption_disabled+0x48/0x200 [ 315.443792] irq_exit+0x17f/0x1c0 [ 315.447256] smp_apic_timer_interrupt+0x1cb/0x760 [ 315.452098] ? smp_reschedule_interrupt+0x109/0x650 [ 315.457118] ? smp_call_function_single_interrupt+0x650/0x650 [ 315.463019] ? interrupt_entry+0xb5/0xf0 [ 315.467090] ? trace_hardirqs_off_caller+0xbb/0x300 [ 315.472105] ? trace_hardirqs_off_caller+0xbb/0x300 [ 315.477124] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.481969] ? trace_hardirqs_off+0x300/0x300 [ 315.486478] ? trace_hardirqs_off+0x300/0x300 [ 315.490993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.496533] ? check_preemption_disabled+0x48/0x200 [ 315.501572] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.506427] apic_timer_interrupt+0xf/0x20 [ 315.510666] [ 315.512909] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 315.517838] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 315.536750] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 315.544459] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 315.551728] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 315.558997] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 315.566270] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 315.573535] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 315.580848] skb_clone+0x1bb/0x500 [ 315.584390] ? skb_split+0x11e0/0x11e0 [ 315.588286] ? preempt_notifier_register+0x200/0x200 [ 315.593389] ? __switch_to_asm+0x34/0x70 [ 315.597449] ? __switch_to_asm+0x34/0x70 [ 315.601515] ? __switch_to_asm+0x40/0x70 [ 315.605575] ? __switch_to_asm+0x34/0x70 [ 315.609636] ? __switch_to_asm+0x40/0x70 [ 315.613706] ? __switch_to_asm+0x40/0x70 [ 315.617762] ? __switch_to_asm+0x34/0x70 [ 315.621827] ? __switch_to_asm+0x34/0x70 [ 315.625889] ? __switch_to_asm+0x40/0x70 [ 315.629950] ? __switch_to_asm+0x34/0x70 [ 315.634031] bpf_clone_redirect+0xb9/0x490 [ 315.638277] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 315.643310] ? __sched_text_start+0x8/0x8 [ 315.647475] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 315.652242] ? find_held_lock+0x36/0x1c0 [ 315.656310] ? lock_acquire+0x1ed/0x520 [ 315.660314] ? bpf_test_run+0x32e/0x5a0 [ 315.664337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.669875] ? check_preemption_disabled+0x48/0x200 [ 315.674900] ? kasan_check_read+0x11/0x20 [ 315.679050] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.684329] ? rcu_bh_qs+0xc0/0xc0 [ 315.687875] ? preempt_schedule+0x4d/0x60 [ 315.692049] ? ___preempt_schedule+0x16/0x18 [ 315.696469] ? bpf_test_run+0x1c0/0x5a0 [ 315.700463] ? netlink_diag_dump+0x2a0/0x2a0 [ 315.704881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.710424] ? bpf_test_init.isra.9+0x70/0x100 [ 315.715019] ? bpf_prog_test_run_skb+0x634/0xb40 [ 315.719785] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 315.724627] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 315.730177] ? fput+0x130/0x1a0 [ 315.733463] ? __bpf_prog_get+0x9b/0x290 [ 315.737534] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 315.742380] ? bpf_prog_test_run+0x130/0x1a0 [ 315.746794] ? __x64_sys_bpf+0x3d8/0x510 [ 315.750857] ? bpf_prog_get+0x20/0x20 [ 315.754670] ? ksys_ioctl+0x81/0xd0 [ 315.758311] ? do_syscall_64+0x1b9/0x820 [ 315.762402] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 315.767769] ? syscall_return_slowpath+0x5e0/0x5e0 [ 315.772705] ? trace_hardirqs_off+0x300/0x300 [ 315.777203] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 315.782222] ? recalc_sigpending_tsk+0x180/0x180 [ 315.786977] ? kasan_check_write+0x14/0x20 [ 315.791229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.796112] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 315.801494] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 315.801571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 315.808338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.808363] Workqueue: (null) (events) [ 315.808376] Call Trace: [ 315.808402] [ 315.814938] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 315.824229] dump_stack+0x1c4/0x2b4 [ 315.829053] syz-executor1 cpuset= [ 315.831633] ? dump_stack_print_info.cold.2+0x52/0x52 [ 315.833762] syz1 [ 315.844252] warn_alloc.cold.118+0xb7/0x1bd [ 315.847860] mems_allowed=0 [ 315.851305] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 315.870495] ? lock_downgrade+0x900/0x900 [ 315.874651] ? trace_hardirqs_off+0xb8/0x300 [ 315.879067] ? trace_hardirqs_off+0xb8/0x300 [ 315.883496] __alloc_pages_slowpath+0x2667/0x2d80 [ 315.888382] ? warn_alloc+0x120/0x120 [ 315.892187] ? trace_hardirqs_on+0x310/0x310 [ 315.896603] ? warn_alloc+0x120/0x120 [ 315.900424] ? print_usage_bug+0xc0/0xc0 [ 315.904511] ? warn_alloc+0x120/0x120 [ 315.908318] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 315.913350] ? print_usage_bug+0xc0/0xc0 [ 315.917417] ? __lock_acquire+0x7ec/0x4ec0 [ 315.921656] ? __lock_acquire+0x7ec/0x4ec0 [ 315.925896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.931438] ? should_fail+0x22d/0xd01 [ 315.935345] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.940485] ? __lock_acquire+0x7ec/0x4ec0 [ 315.944728] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.949832] ? __lock_acquire+0x7ec/0x4ec0 [ 315.954072] ? should_fail+0x22d/0xd01 [ 315.957960] ? print_usage_bug+0xc0/0xc0 [ 315.962036] ? mark_held_locks+0x130/0x130 [ 315.966277] ? mark_held_locks+0x130/0x130 [ 315.970522] ? graph_lock+0x170/0x170 [ 315.974325] ? print_usage_bug+0xc0/0xc0 [ 315.978407] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 315.983166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.988717] ? check_preemption_disabled+0x48/0x200 [ 315.993729] ? check_preemption_disabled+0x48/0x200 [ 315.998765] ? __lock_is_held+0xb5/0x140 [ 316.002846] __alloc_pages_nodemask+0xa80/0xde0 [ 316.007518] ? graph_lock+0x170/0x170 [ 316.011338] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 316.016357] ? graph_lock+0x170/0x170 [ 316.020184] ? find_held_lock+0x36/0x1c0 [ 316.024257] ? ____cache_alloc_node+0x1c7/0x1e0 [ 316.029456] ? lock_downgrade+0x900/0x900 [ 316.033630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.039176] cache_grow_begin+0x91/0x8c0 [ 316.043246] ? do_raw_spin_unlock+0xa7/0x2f0 [ 316.047665] fallback_alloc+0x203/0x2e0 [ 316.051650] ____cache_alloc_node+0x1c7/0x1e0 [ 316.056155] kmem_cache_alloc_node+0xe3/0x730 [ 316.060666] ? ipv6_get_ifaddr+0x42e/0x620 [ 316.064917] __alloc_skb+0x119/0x770 [ 316.068635] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.073922] ? skb_scrub_packet+0x490/0x490 [ 316.078247] ? lock_downgrade+0x900/0x900 [ 316.082418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.087958] ? refcount_sub_and_test_checked+0x203/0x310 [ 316.093438] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 316.098889] ? addrconf_rs_timer+0x6f0/0x6f0 [ 316.103316] ndisc_alloc_skb+0x144/0x340 [ 316.107386] ndisc_send_rs+0x331/0x6e0 [ 316.111290] addrconf_rs_timer+0x3c0/0x6f0 [ 316.115533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.119784] call_timer_fn+0x272/0x920 [ 316.123698] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.127939] ? process_timeout+0x40/0x40 [ 316.132013] ? find_held_lock+0x36/0x1c0 [ 316.136300] ? __run_timers+0x7da/0xc70 [ 316.140281] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.144781] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.149281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.153523] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 316.158109] ? trace_hardirqs_on+0xbd/0x310 [ 316.162428] ? kasan_check_read+0x11/0x20 [ 316.166581] ? __run_timers+0x7da/0xc70 [ 316.170556] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.176022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.180268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.184504] __run_timers+0x7e5/0xc70 [ 316.188323] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 316.193692] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 316.198710] ? graph_lock+0x170/0x170 [ 316.202516] ? enqueue_hrtimer+0x1a5/0x560 [ 316.206751] ? lock_release+0x970/0x970 [ 316.210727] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 316.215922] ? find_held_lock+0x36/0x1c0 [ 316.220000] ? pvclock_read_flags+0x160/0x160 [ 316.224515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.230058] ? check_preemption_disabled+0x48/0x200 [ 316.235098] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 316.240637] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.245919] ? rcu_pm_notify+0xc0/0xc0 [ 316.249821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.255361] ? check_preemption_disabled+0x48/0x200 [ 316.260390] run_timer_softirq+0x52/0xb0 [ 316.264452] ? rcu_read_lock_sched_held+0x108/0x120 [ 316.269497] __do_softirq+0x30b/0xad8 [ 316.273310] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 316.278419] ? pvclock_read_flags+0x160/0x160 [ 316.282913] ? lapic_next_event+0x5a/0x90 [ 316.287062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.292600] ? check_preemption_disabled+0x48/0x200 [ 316.297613] ? check_preemption_disabled+0x48/0x200 [ 316.302635] ? kvm_clock_read+0x18/0x30 [ 316.306614] ? kvm_sched_clock_read+0x9/0x20 [ 316.311045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.316585] ? check_preemption_disabled+0x48/0x200 [ 316.321616] irq_exit+0x17f/0x1c0 [ 316.325072] smp_apic_timer_interrupt+0x1cb/0x760 [ 316.329920] ? smp_call_function_single_interrupt+0x650/0x650 [ 316.335806] ? interrupt_entry+0xb5/0xf0 [ 316.339873] ? trace_hardirqs_off_caller+0xbb/0x300 [ 316.344890] ? trace_hardirqs_off_caller+0xbb/0x300 [ 316.349926] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.354774] ? trace_hardirqs_off+0x300/0x300 [ 316.359268] ? trace_hardirqs_off+0x300/0x300 [ 316.363768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.369306] ? check_preemption_disabled+0x48/0x200 [ 316.374339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.379888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.384767] apic_timer_interrupt+0xf/0x20 [ 316.389013] [ 316.391256] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 316.396360] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 316.415260] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 316.422974] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 316.430248] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 316.437541] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 316.444806] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 316.452071] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 316.459369] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.463881] finish_task_switch+0x1f5/0x900 [ 316.468206] ? finish_task_switch+0x1b5/0x900 [ 316.472716] ? __switch_to_asm+0x34/0x70 [ 316.476781] ? preempt_notifier_register+0x200/0x200 [ 316.481896] ? __switch_to_asm+0x34/0x70 [ 316.485957] ? __switch_to_asm+0x34/0x70 [ 316.490032] ? __switch_to_asm+0x40/0x70 [ 316.494091] ? __switch_to_asm+0x34/0x70 [ 316.498156] ? __switch_to_asm+0x40/0x70 [ 316.502214] ? __switch_to_asm+0x34/0x70 [ 316.506279] ? __switch_to_asm+0x40/0x70 [ 316.510342] ? __switch_to_asm+0x34/0x70 [ 316.514402] ? __switch_to_asm+0x40/0x70 [ 316.518463] ? __switch_to_asm+0x34/0x70 [ 316.522527] ? __switch_to_asm+0x40/0x70 [ 316.526589] ? __switch_to_asm+0x34/0x70 [ 316.530648] ? __switch_to_asm+0x40/0x70 [ 316.534719] ? __switch_to_asm+0x34/0x70 [ 316.538780] ? __switch_to_asm+0x40/0x70 [ 316.542871] __schedule+0x874/0x1ed0 [ 316.546593] ? lockdep_hardirqs_on+0x421/0x5c0 [ 316.551190] ? __sched_text_start+0x8/0x8 [ 316.555348] ? graph_lock+0x170/0x170 [ 316.559154] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 316.563918] ? lockdep_hardirqs_on+0x421/0x5c0 [ 316.568503] ? retint_kernel+0x2d/0x2d [ 316.572396] ? find_held_lock+0x36/0x1c0 [ 316.576465] schedule+0xfe/0x460 [ 316.579847] ? __schedule+0x1ed0/0x1ed0 [ 316.583824] ? lockdep_hardirqs_on+0x421/0x5c0 [ 316.588419] ? trace_hardirqs_on+0xbd/0x310 [ 316.592740] ? kasan_check_read+0x11/0x20 [ 316.596884] ? worker_thread+0x3ca/0x1390 [ 316.601054] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.606511] ? kasan_check_write+0x14/0x20 [ 316.610747] ? do_raw_spin_lock+0xc1/0x200 [ 316.615012] worker_thread+0x3cf/0x1390 [ 316.618984] ? __switch_to_asm+0x34/0x70 [ 316.623080] ? process_one_work+0x1b90/0x1b90 [ 316.627589] ? graph_lock+0x170/0x170 [ 316.631400] ? __sched_text_start+0x8/0x8 [ 316.635559] ? find_held_lock+0x36/0x1c0 [ 316.639629] ? __kthread_parkme+0xce/0x1a0 [ 316.643871] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 316.648981] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 316.654109] ? lockdep_hardirqs_on+0x421/0x5c0 [ 316.658696] ? trace_hardirqs_on+0xbd/0x310 [ 316.663019] ? kasan_check_read+0x11/0x20 [ 316.667168] ? __kthread_parkme+0xce/0x1a0 [ 316.671405] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.676900] ? kasan_check_write+0x14/0x20 [ 316.681137] ? do_raw_spin_lock+0xc1/0x200 [ 316.685380] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 316.690484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.696025] ? __kthread_parkme+0xfb/0x1a0 [ 316.700280] kthread+0x35a/0x420 [ 316.703662] ? process_one_work+0x1b90/0x1b90 [ 316.708156] ? kthread_bind+0x40/0x40 [ 316.711961] ret_from_fork+0x3a/0x50 [ 316.715690] warn_alloc_show_mem: 1 callbacks suppressed [ 316.715703] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 316.715705] Mem-Info: [ 316.715735] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 316.715735] active_file:13 inactive_file:18 isolated_file:0 [ 316.715735] unevictable:0 dirty:0 writeback:0 unstable:0 [ 316.715735] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 316.715735] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 316.715735] free:13747 free_pcp:307 free_cma:0 [ 316.721077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.721087] Call Trace: [ 316.728283] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 316.730683] [ 316.763558] Node 0 [ 316.772931] dump_stack+0x1c4/0x2b4 [ 316.775516] 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 [ 316.803224] ? dump_stack_print_info.cold.2+0x52/0x52 [ 316.805343] lowmem_reserve[]: 0 [ 316.807600] warn_alloc.cold.118+0xb7/0x1bd [ 316.811186] 2815 6318 [ 316.836695] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 316.841875] 6318 [ 316.845154] ? lock_downgrade+0x900/0x900 [ 316.851961] ? trace_hardirqs_off+0xb8/0x300 [ 316.856778] Node 0 [ 316.858839] ? trace_hardirqs_off+0xb8/0x300 [ 316.862983] DMA32 free:25280kB 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 [ 316.867377] __alloc_pages_slowpath+0x2667/0x2d80 [ 316.869577] lowmem_reserve[]: 0 [ 316.874023] ? warn_alloc+0x120/0x120 [ 316.900946] 0 3503 [ 316.905807] ? warn_alloc+0x120/0x120 [ 316.909063] 3503 [ 316.912862] ? print_usage_bug+0xc0/0xc0 [ 316.918869] ? warn_alloc+0x120/0x120 [ 316.920924] Node 0 [ 316.925027] ? print_usage_bug+0xc0/0xc0 [ 316.928835] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 316.931045] ? __lock_acquire+0x7ec/0x4ec0 [ 316.935077] lowmem_reserve[]: 0 [ 316.963468] ? __lock_acquire+0x7ec/0x4ec0 [ 316.967672] 0 0 [ 316.970956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.975161] 0 [ 316.977143] ? should_fail+0x22d/0xd01 [ 316.982657] Node 0 [ 316.984459] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.988313] DMA: 1*4kB [ 316.990556] ? __lock_acquire+0x7ec/0x4ec0 [ 316.995636] (U) [ 316.998219] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.002441] 0*8kB [ 317.004412] ? __lock_acquire+0x7ec/0x4ec0 [ 317.009530] 0*16kB [ 317.011677] ? should_fail+0x22d/0xd01 [ 317.015886] 1*32kB [ 317.018127] ? mark_held_locks+0x130/0x130 [ 317.022009] (U) [ 317.024245] ? mark_held_locks+0x130/0x130 [ 317.028458] 2*64kB [ 317.030441] ? graph_lock+0x170/0x170 [ 317.034650] (U) [ 317.036879] ? graph_lock+0x170/0x170 [ 317.040662] 1*128kB [ 317.042633] ? graph_lock+0x170/0x170 [ 317.046422] (U) [ 317.048742] ? print_usage_bug+0xc0/0xc0 [ 317.052519] 1*256kB [ 317.054489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.058527] (U) [ 317.060844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.066357] 0*512kB [ 317.068333] ? check_preemption_disabled+0x48/0x200 [ 317.073849] 1*1024kB [ 317.076169] ? check_preemption_disabled+0x48/0x200 [ 317.081163] (U) [ 317.083601] ? __lock_is_held+0xb5/0x140 [ 317.088590] 1*2048kB [ 317.090566] __alloc_pages_nodemask+0xa80/0xde0 [ 317.094604] (M) [ 317.097019] ? graph_lock+0x170/0x170 [ 317.101671] 3*4096kB [ 317.103642] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 317.107419] (M) [ 317.109823] ? graph_lock+0x170/0x170 [ 317.114817] = 15908kB [ 317.116794] ? find_held_lock+0x36/0x1c0 [ 317.120580] Node 0 [ 317.123003] ? ____cache_alloc_node+0x1c7/0x1e0 [ 317.127028] DMA32: 4*4kB [ 317.129267] ? lock_downgrade+0x900/0x900 [ 317.133904] (UM) 2*8kB [ 317.136673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.140822] (M) [ 317.143421] cache_grow_begin+0x91/0x8c0 [ 317.148930] 2*16kB [ 317.150901] ? do_raw_spin_unlock+0xa7/0x2f0 [ 317.154935] (UM) [ 317.157173] fallback_alloc+0x203/0x2e0 [ 317.161555] 2*32kB [ 317.163617] ____cache_alloc_node+0x1c7/0x1e0 [ 317.167568] (UM) [ 317.169803] kmem_cache_alloc_node+0xe3/0x730 [ 317.174270] 3*64kB (UM) [ 317.176341] ? ipv6_get_ifaddr+0x42e/0x620 [ 317.180805] 3*128kB (M) [ 317.183487] __alloc_skb+0x119/0x770 [ 317.187690] 2*256kB (M) [ 317.190368] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.194051] 3*512kB (M) [ 317.196745] ? skb_scrub_packet+0x490/0x490 [ 317.201992] 4*1024kB (UM) [ 317.204668] ? lock_downgrade+0x900/0x900 [ 317.208971] 3*2048kB (UM) [ 317.211848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.215976] 3*4096kB [ 317.218823] ? refcount_sub_and_test_checked+0x203/0x310 [ 317.224337] (M) [ 317.226748] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 317.232167] = 25280kB [ 317.232176] Node 0 [ 317.234155] ? addrconf_rs_timer+0x6f0/0x6f0 [ 317.239572] Normal: 876*4kB [ 317.242007] ndisc_alloc_skb+0x144/0x340 [ 317.244213] (UME) [ 317.248625] ndisc_send_rs+0x331/0x6e0 [ 317.251619] 393*8kB [ 317.255678] addrconf_rs_timer+0x3c0/0x6f0 [ 317.257804] (UMEH) [ 317.261688] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.264017] 183*16kB [ 317.268257] call_timer_fn+0x272/0x920 [ 317.270480] (UMEH) [ 317.274711] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.277116] 70*32kB [ 317.281002] ? process_timeout+0x40/0x40 [ 317.283250] (UMEH) [ 317.287521] ? find_held_lock+0x36/0x1c0 [ 317.289824] 13*64kB [ 317.293897] ? __run_timers+0x7da/0xc70 [ 317.296106] (UMH) [ 317.300167] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.302492] 3*128kB [ 317.306465] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.308591] (UH) [ 317.313083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.315387] 3*256kB [ 317.319899] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 317.321938] (H) [ 317.326169] ? trace_hardirqs_on+0xbd/0x310 [ 317.328470] 0*512kB [ 317.333044] ? kasan_check_read+0x11/0x20 [ 317.334991] 0*1024kB 0*2048kB [ 317.339334] ? __run_timers+0x7da/0xc70 [ 317.341627] 0*4096kB = 13800kB [ 317.345779] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 317.348951] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 317.352911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.356087] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 317.361530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.370340] 410 total pagecache pages [ 317.370357] 0 pages in swap cache [ 317.374586] __run_timers+0x7e5/0xc70 [ 317.383138] Swap cache stats: add 0, delete 0, find 0/0 [ 317.383148] Free swap = 0kB [ 317.387389] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 317.391176] Total swap = 0kB [ 317.394624] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 317.398402] 1965979 pages RAM [ 317.403758] ? graph_lock+0x170/0x170 [ 317.406749] 0 pages HighMem/MovableOnly [ 317.406758] 343323 pages reserved [ 317.412112] ? enqueue_hrtimer+0x1a5/0x560 [ 317.415104] 0 pages cma reserved [ 317.415176] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 317.420131] ? lock_release+0x970/0x970 [ 317.420148] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 317.420169] ? find_held_lock+0x36/0x1c0 [ 317.423339] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 317.427049] ? graph_lock+0x170/0x170 [ 317.427068] ? pvclock_read_flags+0x160/0x160 [ 317.431177] kworker/0:1 cpuset= [ 317.434628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.434646] ? check_preemption_disabled+0x48/0x200 [ 317.439005] / [ 317.442379] ? __lock_is_held+0xb5/0x140 [ 317.442409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.442426] ? check_preemption_disabled+0x48/0x200 [ 317.442448] run_timer_softirq+0x52/0xb0 [ 317.449074] mems_allowed=0 [ 317.453063] ? rcu_read_lock_sched_held+0x108/0x120 [ 317.522871] __do_softirq+0x30b/0xad8 [ 317.526689] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 317.531807] ? pvclock_read_flags+0x160/0x160 [ 317.536302] ? lapic_next_event+0x5a/0x90 [ 317.540459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.546006] ? check_preemption_disabled+0x48/0x200 [ 317.551021] ? check_preemption_disabled+0x48/0x200 [ 317.556046] ? kvm_clock_read+0x18/0x30 [ 317.560036] ? kvm_sched_clock_read+0x9/0x20 [ 317.564464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.570006] ? check_preemption_disabled+0x48/0x200 [ 317.575039] irq_exit+0x17f/0x1c0 [ 317.578510] smp_apic_timer_interrupt+0x1cb/0x760 [ 317.583353] ? smp_reschedule_interrupt+0x109/0x650 [ 317.588387] ? smp_call_function_single_interrupt+0x650/0x650 [ 317.594271] ? interrupt_entry+0xb5/0xf0 [ 317.598338] ? trace_hardirqs_off_caller+0xbb/0x300 [ 317.603355] ? trace_hardirqs_off_caller+0xbb/0x300 [ 317.608384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.613239] ? trace_hardirqs_off+0x300/0x300 [ 317.617736] ? trace_hardirqs_off+0x300/0x300 [ 317.622243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.627778] ? check_preemption_disabled+0x48/0x200 [ 317.632805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.637657] apic_timer_interrupt+0xf/0x20 [ 317.641886] [ 317.644125] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 317.649068] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 317.667989] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 317.675701] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 317.682965] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 317.690256] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 317.697528] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 317.704797] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 317.712115] skb_clone+0x1bb/0x500 [ 317.715659] ? skb_split+0x11e0/0x11e0 [ 317.719564] ? preempt_notifier_register+0x200/0x200 [ 317.724671] ? __switch_to_asm+0x34/0x70 [ 317.728744] ? __switch_to_asm+0x34/0x70 [ 317.732802] ? __switch_to_asm+0x40/0x70 [ 317.736875] ? __switch_to_asm+0x34/0x70 [ 317.740946] ? __switch_to_asm+0x40/0x70 [ 317.745015] ? __switch_to_asm+0x40/0x70 [ 317.749080] ? __switch_to_asm+0x34/0x70 [ 317.753168] ? __switch_to_asm+0x34/0x70 [ 317.757230] ? __switch_to_asm+0x40/0x70 [ 317.761309] ? __switch_to_asm+0x34/0x70 [ 317.765376] bpf_clone_redirect+0xb9/0x490 [ 317.769622] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 317.774644] ? __sched_text_start+0x8/0x8 [ 317.778802] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 317.783567] ? find_held_lock+0x36/0x1c0 [ 317.787665] ? lock_acquire+0x1ed/0x520 [ 317.791643] ? bpf_test_run+0x32e/0x5a0 [ 317.795619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.801157] ? check_preemption_disabled+0x48/0x200 [ 317.806191] ? kasan_check_read+0x11/0x20 [ 317.810339] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.815618] ? rcu_bh_qs+0xc0/0xc0 [ 317.819159] ? preempt_schedule+0x4d/0x60 [ 317.823313] ? ___preempt_schedule+0x16/0x18 [ 317.827728] ? bpf_test_run+0x1c0/0x5a0 [ 317.831710] ? netlink_diag_dump+0x2a0/0x2a0 [ 317.836125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.841678] ? bpf_test_init.isra.9+0x70/0x100 [ 317.846265] ? bpf_prog_test_run_skb+0x634/0xb40 [ 317.851055] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 317.855896] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 317.861430] ? fput+0x130/0x1a0 [ 317.864716] ? __bpf_prog_get+0x9b/0x290 [ 317.868781] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 317.873624] ? bpf_prog_test_run+0x130/0x1a0 [ 317.878040] ? __x64_sys_bpf+0x3d8/0x510 [ 317.882099] ? bpf_prog_get+0x20/0x20 [ 317.885911] ? ksys_ioctl+0x81/0xd0 [ 317.889566] ? do_syscall_64+0x1b9/0x820 [ 317.893632] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 317.899007] ? syscall_return_slowpath+0x5e0/0x5e0 [ 317.903943] ? trace_hardirqs_off+0x300/0x300 [ 317.908443] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 317.913462] ? recalc_sigpending_tsk+0x180/0x180 [ 317.918219] ? kasan_check_write+0x14/0x20 [ 317.922478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.927337] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 317.932732] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 317.932803] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 317.939579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 317.939602] Workqueue: (null) (events) [ 317.939614] Call Trace: [ 317.939624] [ 317.946191] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 317.955478] dump_stack+0x1c4/0x2b4 [ 317.960307] syz-executor1 cpuset= [ 317.962886] ? dump_stack_print_info.cold.2+0x52/0x52 [ 317.965019] syz1 [ 317.975524] warn_alloc.cold.118+0xb7/0x1bd [ 317.979130] mems_allowed=0 [ 317.982592] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.001786] ? lock_downgrade+0x900/0x900 [ 318.005974] ? trace_hardirqs_off+0xb8/0x300 [ 318.010397] ? trace_hardirqs_off+0xb8/0x300 [ 318.014815] __alloc_pages_slowpath+0x2667/0x2d80 [ 318.019702] ? warn_alloc+0x120/0x120 [ 318.023509] ? warn_alloc+0x120/0x120 [ 318.027827] ? print_usage_bug+0xc0/0xc0 [ 318.031892] ? lockdep_on+0x50/0x50 [ 318.035527] ? lock_pin_lock+0x350/0x350 [ 318.039596] ? unwind_next_frame.part.7+0x1ae/0x9e0 [ 318.044632] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.050168] ? should_fail+0x22d/0xd01 [ 318.054061] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.059180] ? __lock_acquire+0x7ec/0x4ec0 [ 318.063423] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.068543] ? __lock_acquire+0x2881/0x4ec0 [ 318.072864] ? should_fail+0x22d/0xd01 [ 318.076753] ? __save_stack_trace+0x7d/0xf0 [ 318.081089] ? mark_held_locks+0x130/0x130 [ 318.085341] ? mark_held_locks+0x130/0x130 [ 318.089580] ? save_trace+0xe0/0x290 [ 318.093301] ? kasan_check_read+0x11/0x20 [ 318.097450] ? __lock_acquire+0x2881/0x4ec0 [ 318.101775] ? graph_lock+0x170/0x170 [ 318.105579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.111120] ? check_preemption_disabled+0x48/0x200 [ 318.116135] ? check_preemption_disabled+0x48/0x200 [ 318.121194] ? __lock_is_held+0xb5/0x140 [ 318.125268] __alloc_pages_nodemask+0xa80/0xde0 [ 318.129943] ? graph_lock+0x170/0x170 [ 318.133942] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 318.138962] ? graph_lock+0x170/0x170 [ 318.142784] ? find_held_lock+0x36/0x1c0 [ 318.146861] ? ____cache_alloc_node+0x1c7/0x1e0 [ 318.151534] ? lock_downgrade+0x900/0x900 [ 318.155698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.161249] cache_grow_begin+0x91/0x8c0 [ 318.165319] ? do_raw_spin_unlock+0xa7/0x2f0 [ 318.169753] fallback_alloc+0x203/0x2e0 [ 318.173746] ____cache_alloc_node+0x1c7/0x1e0 [ 318.178278] kmem_cache_alloc_node+0xe3/0x730 [ 318.182789] ? do_raw_spin_unlock+0xa7/0x2f0 [ 318.187200] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 318.191821] __alloc_skb+0x119/0x770 [ 318.195547] ? skb_scrub_packet+0x490/0x490 [ 318.199899] ? atomic_notifier_call_chain+0xc6/0x190 [ 318.205017] ? lock_downgrade+0x900/0x900 [ 318.209173] ? check_preemption_disabled+0x48/0x200 [ 318.214200] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 318.219996] ? kasan_check_read+0x11/0x20 [ 318.224164] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 318.229445] ? rcu_bh_qs+0xc0/0xc0 [ 318.233005] ? do_raw_write_trylock+0x1c0/0x1c0 [ 318.237687] __neigh_notify+0x8c/0x160 [ 318.241580] ? __neigh_event_send+0x1390/0x1390 [ 318.246296] neigh_timer_handler+0x6cb/0xdf0 [ 318.250713] ? neigh_invalidate+0x550/0x550 [ 318.255039] ? __lock_is_held+0xb5/0x140 [ 318.259121] call_timer_fn+0x272/0x920 [ 318.263018] ? neigh_invalidate+0x550/0x550 [ 318.267349] ? process_timeout+0x40/0x40 [ 318.271409] ? find_held_lock+0x36/0x1c0 [ 318.275482] ? __run_timers+0x7da/0xc70 [ 318.279491] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.284014] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.288510] ? neigh_invalidate+0x550/0x550 [ 318.292837] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 318.297506] ? trace_hardirqs_on+0xbd/0x310 [ 318.301827] ? kasan_check_read+0x11/0x20 [ 318.305993] ? __run_timers+0x7da/0xc70 [ 318.309978] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.315465] ? neigh_invalidate+0x550/0x550 [ 318.319789] __run_timers+0x7e5/0xc70 [ 318.323606] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 318.328972] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 318.334019] ? graph_lock+0x170/0x170 [ 318.337865] ? enqueue_hrtimer+0x1a5/0x560 [ 318.342109] ? lock_release+0x970/0x970 [ 318.346084] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 318.351279] ? find_held_lock+0x36/0x1c0 [ 318.355351] ? pvclock_read_flags+0x160/0x160 [ 318.359849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.365389] ? check_preemption_disabled+0x48/0x200 [ 318.370437] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 318.375985] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 318.381274] ? rcu_pm_notify+0xc0/0xc0 [ 318.385170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.390708] ? check_preemption_disabled+0x48/0x200 [ 318.395734] run_timer_softirq+0x52/0xb0 [ 318.399797] ? rcu_read_lock_sched_held+0x108/0x120 [ 318.404815] __do_softirq+0x30b/0xad8 [ 318.408654] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 318.413779] ? pvclock_read_flags+0x160/0x160 [ 318.418278] ? lapic_next_event+0x5a/0x90 [ 318.422453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.427991] ? check_preemption_disabled+0x48/0x200 [ 318.433018] ? check_preemption_disabled+0x48/0x200 [ 318.438044] ? kvm_clock_read+0x18/0x30 [ 318.442025] ? kvm_sched_clock_read+0x9/0x20 [ 318.446462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.451995] ? check_preemption_disabled+0x48/0x200 [ 318.457035] irq_exit+0x17f/0x1c0 [ 318.460506] smp_apic_timer_interrupt+0x1cb/0x760 [ 318.465367] ? smp_call_function_single_interrupt+0x650/0x650 [ 318.471256] ? interrupt_entry+0xb5/0xf0 [ 318.475328] ? trace_hardirqs_off_caller+0xbb/0x300 [ 318.480343] ? trace_hardirqs_off_caller+0xbb/0x300 [ 318.485360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.490204] ? trace_hardirqs_off+0x300/0x300 [ 318.494704] ? trace_hardirqs_off+0x300/0x300 [ 318.499205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.504757] ? check_preemption_disabled+0x48/0x200 [ 318.509774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.515339] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.520206] apic_timer_interrupt+0xf/0x20 [ 318.524437] [ 318.526698] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 318.531818] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 318.550744] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 318.558467] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 318.565761] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 318.573027] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 318.580297] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 318.587563] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 318.594871] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.599380] finish_task_switch+0x1f5/0x900 [ 318.603706] ? finish_task_switch+0x1b5/0x900 [ 318.608206] ? __switch_to_asm+0x34/0x70 [ 318.612305] ? preempt_notifier_register+0x200/0x200 [ 318.617416] ? __switch_to_asm+0x34/0x70 [ 318.621476] ? __switch_to_asm+0x34/0x70 [ 318.625546] ? __switch_to_asm+0x40/0x70 [ 318.629601] ? __switch_to_asm+0x34/0x70 [ 318.633657] ? __switch_to_asm+0x40/0x70 [ 318.637715] ? __switch_to_asm+0x34/0x70 [ 318.641776] ? __switch_to_asm+0x40/0x70 [ 318.645834] ? __switch_to_asm+0x34/0x70 [ 318.649894] ? __switch_to_asm+0x40/0x70 [ 318.653952] ? __switch_to_asm+0x34/0x70 [ 318.658018] ? __switch_to_asm+0x40/0x70 [ 318.662082] ? __switch_to_asm+0x34/0x70 [ 318.666144] ? __switch_to_asm+0x40/0x70 [ 318.670206] ? __switch_to_asm+0x34/0x70 [ 318.674267] ? __switch_to_asm+0x40/0x70 [ 318.678337] __schedule+0x874/0x1ed0 [ 318.682083] ? lockdep_hardirqs_on+0x421/0x5c0 [ 318.686674] ? __sched_text_start+0x8/0x8 [ 318.690843] ? graph_lock+0x170/0x170 [ 318.694646] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 318.699408] ? lockdep_hardirqs_on+0x421/0x5c0 [ 318.703991] ? retint_kernel+0x2d/0x2d [ 318.707895] ? find_held_lock+0x36/0x1c0 [ 318.711992] schedule+0xfe/0x460 [ 318.715369] ? __schedule+0x1ed0/0x1ed0 [ 318.719343] ? lockdep_hardirqs_on+0x421/0x5c0 [ 318.723931] ? trace_hardirqs_on+0xbd/0x310 [ 318.728252] ? kasan_check_read+0x11/0x20 [ 318.732399] ? worker_thread+0x3ca/0x1390 [ 318.736553] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.742021] ? kasan_check_write+0x14/0x20 [ 318.746275] ? do_raw_spin_lock+0xc1/0x200 [ 318.750515] worker_thread+0x3cf/0x1390 [ 318.754487] ? __switch_to_asm+0x34/0x70 [ 318.758576] ? process_one_work+0x1b90/0x1b90 [ 318.763078] ? graph_lock+0x170/0x170 [ 318.766890] ? __sched_text_start+0x8/0x8 [ 318.771060] ? find_held_lock+0x36/0x1c0 [ 318.775161] ? __kthread_parkme+0xce/0x1a0 [ 318.779398] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 318.784499] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 318.789607] ? lockdep_hardirqs_on+0x421/0x5c0 [ 318.794193] ? trace_hardirqs_on+0xbd/0x310 [ 318.798515] ? kasan_check_read+0x11/0x20 [ 318.802664] ? __kthread_parkme+0xce/0x1a0 [ 318.806900] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.812357] ? kasan_check_write+0x14/0x20 [ 318.816594] ? do_raw_spin_lock+0xc1/0x200 [ 318.820832] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 318.825939] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.831479] ? __kthread_parkme+0xfb/0x1a0 [ 318.835717] kthread+0x35a/0x420 [ 318.839080] ? process_one_work+0x1b90/0x1b90 [ 318.843586] ? kthread_bind+0x40/0x40 [ 318.847389] ret_from_fork+0x3a/0x50 [ 318.851130] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 318.851136] warn_alloc_show_mem: 1 callbacks suppressed [ 318.851144] Mem-Info: [ 318.858337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.863709] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 318.863709] active_file:13 inactive_file:18 isolated_file:0 [ 318.863709] unevictable:0 dirty:0 writeback:0 unstable:0 [ 318.863709] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 318.863709] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 318.863709] free:13747 free_pcp:307 free_cma:0 [ 318.866083] Call Trace: [ 318.875500] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 318.908356] [ 318.910946] Node 0 [ 318.938618] dump_stack+0x1c4/0x2b4 [ 318.940768] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 318.942977] ? dump_stack_print_info.cold.2+0x52/0x52 [ 318.946578] lowmem_reserve[]: 0 [ 318.972098] warn_alloc.cold.118+0xb7/0x1bd [ 318.977258] 2815 [ 318.980540] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.984831] 6318 6318 [ 318.986901] ? lock_downgrade+0x900/0x900 [ 318.991719] Node 0 [ 318.994224] ? trace_hardirqs_off+0xb8/0x300 [ 318.998370] DMA32 free:25280kB 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 [ 319.000582] ? trace_hardirqs_off+0xb8/0x300 [ 319.004957] lowmem_reserve[]: 0 [ 319.031949] __alloc_pages_slowpath+0x2667/0x2d80 [ 319.036324] 0 3503 [ 319.039641] ? warn_alloc+0x120/0x120 [ 319.044427] 3503 [ 319.046669] ? warn_alloc+0x120/0x120 [ 319.050448] Node 0 [ 319.052515] ? print_usage_bug+0xc0/0xc0 [ 319.056314] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 319.058527] ? warn_alloc+0x120/0x120 [ 319.062565] lowmem_reserve[]: [ 319.090936] ? print_usage_bug+0xc0/0xc0 [ 319.094716] 0 [ 319.097815] ? __lock_acquire+0x7ec/0x4ec0 [ 319.101853] 0 [ 319.103656] ? __lock_acquire+0x7ec/0x4ec0 [ 319.107868] 0 [ 319.109670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.113877] 0 [ 319.115692] ? should_fail+0x22d/0xd01 [ 319.121208] Node 0 [ 319.123015] ? __lock_acquire+0x7ec/0x4ec0 [ 319.126881] DMA: [ 319.129119] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.133355] 1*4kB [ 319.135390] ? __lock_acquire+0x7ec/0x4ec0 [ 319.140470] (U) [ 319.142616] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.146828] 0*8kB [ 319.148797] ? __lock_acquire+0x7ec/0x4ec0 [ 319.153881] 0*16kB [ 319.156033] ? should_fail+0x22d/0xd01 [ 319.160244] 1*32kB [ 319.162481] ? mark_held_locks+0x130/0x130 [ 319.166355] (U) [ 319.168602] ? mark_held_locks+0x130/0x130 [ 319.172813] 2*64kB [ 319.174791] ? graph_lock+0x170/0x170 [ 319.179005] (U) [ 319.181232] ? print_usage_bug+0xc0/0xc0 [ 319.185009] 1*128kB (U) [ 319.187005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.191039] 1*256kB [ 319.193710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.199223] (U) [ 319.201550] ? check_preemption_disabled+0x48/0x200 [ 319.207066] 0*512kB [ 319.209037] ? check_preemption_disabled+0x48/0x200 [ 319.214043] 1*1024kB [ 319.216370] ? __lock_is_held+0xb5/0x140 [ 319.221355] (U) [ 319.223768] __alloc_pages_nodemask+0xa80/0xde0 [ 319.227801] 1*2048kB [ 319.229774] ? graph_lock+0x170/0x170 [ 319.234424] (M) [ 319.236834] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 319.240610] 3*4096kB [ 319.242580] ? graph_lock+0x170/0x170 [ 319.247599] (M) [ 319.250016] ? find_held_lock+0x36/0x1c0 [ 319.253807] = 15908kB [ 319.255809] ? ____cache_alloc_node+0x1c7/0x1e0 [ 319.259846] Node 0 [ 319.262253] ? lock_downgrade+0x900/0x900 [ 319.266893] DMA32: 4*4kB [ 319.269139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.273262] (UM) [ 319.276130] cache_grow_begin+0x91/0x8c0 [ 319.281637] 2*8kB (M) [ 319.283705] ? do_raw_spin_unlock+0xa7/0x2f0 [ 319.287752] 2*16kB [ 319.290265] fallback_alloc+0x203/0x2e0 [ 319.294647] (UM) [ 319.296884] ____cache_alloc_node+0x1c7/0x1e0 [ 319.300835] 2*32kB [ 319.302897] kmem_cache_alloc_node+0xe3/0x730 [ 319.307382] (UM) [ 319.309624] ? ipv6_get_ifaddr+0x42e/0x620 [ 319.314094] 3*64kB [ 319.316161] __alloc_skb+0x119/0x770 [ 319.320364] (UM) [ 319.322604] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.326305] 3*128kB [ 319.328362] ? skb_scrub_packet+0x490/0x490 [ 319.333615] (M) [ 319.335957] ? lock_downgrade+0x900/0x900 [ 319.340255] 2*256kB [ 319.342235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.346374] (M) [ 319.348698] ? refcount_sub_and_test_checked+0x203/0x310 [ 319.354209] 3*512kB [ 319.356180] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 319.356205] ? addrconf_rs_timer+0x6f0/0x6f0 [ 319.361646] (M) [ 319.363977] ndisc_alloc_skb+0x144/0x340 [ 319.369397] 4*1024kB [ 319.373801] ndisc_send_rs+0x331/0x6e0 [ 319.375753] (UM) [ 319.379812] addrconf_rs_timer+0x3c0/0x6f0 [ 319.382207] 3*2048kB (UM) [ 319.386105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.388149] 3*4096kB [ 319.392387] call_timer_fn+0x272/0x920 [ 319.395238] (M) [ 319.399484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.401869] = 25280kB [ 319.401878] Node 0 [ 319.405760] ? process_timeout+0x40/0x40 [ 319.407707] Normal: 876*4kB [ 319.411963] ? find_held_lock+0x36/0x1c0 [ 319.414384] (UME) [ 319.416627] ? __run_timers+0x7da/0xc70 [ 319.420661] 393*8kB [ 319.423687] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.427732] (UMEH) [ 319.429917] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.433869] 183*16kB [ 319.436194] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.440661] (UMEH) [ 319.442897] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 319.447367] 70*32kB [ 319.449772] ? trace_hardirqs_on+0xbd/0x310 [ 319.453981] (UMEH) [ 319.456221] ? kasan_check_read+0x11/0x20 [ 319.460783] 13*64kB [ 319.463106] ? __run_timers+0x7da/0xc70 [ 319.467405] (UMH) [ 319.469644] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.473769] 3*128kB [ 319.476096] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.480042] (UH) [ 319.482204] __run_timers+0x7e5/0xc70 [ 319.487630] 3*256kB [ 319.489968] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 319.494170] (H) [ 319.496234] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 319.500019] 0*512kB 0*1024kB [ 319.502348] ? graph_lock+0x170/0x170 [ 319.507688] 0*2048kB [ 319.509670] ? enqueue_hrtimer+0x1a5/0x560 [ 319.514665] 0*4096kB [ 319.517766] ? lock_release+0x970/0x970 [ 319.521548] = 13800kB [ 319.523951] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 319.528172] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 319.530574] ? find_held_lock+0x36/0x1c0 [ 319.534542] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 319.536944] ? graph_lock+0x170/0x170 [ 319.542116] 410 total pagecache pages [ 319.550946] ? pvclock_read_flags+0x160/0x160 [ 319.554988] 0 pages in swap cache [ 319.563563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.567337] Swap cache stats: add 0, delete 0, find 0/0 [ 319.567346] Free swap = 0kB [ 319.571144] ? check_preemption_disabled+0x48/0x200 [ 319.575616] Total swap = 0kB [ 319.579081] ? __lock_is_held+0xb5/0x140 [ 319.584591] 1965979 pages RAM [ 319.589953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.592973] 0 pages HighMem/MovableOnly [ 319.598025] ? check_preemption_disabled+0x48/0x200 [ 319.601023] 343323 pages reserved [ 319.601033] 0 pages cma reserved [ 319.605097] run_timer_softirq+0x52/0xb0 [ 319.608317] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 319.613734] ? rcu_read_lock_sched_held+0x108/0x120 [ 319.617707] kworker/0:1 cpuset= [ 319.622720] __do_softirq+0x30b/0xad8 [ 319.626146] / [ 319.629531] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 319.633554] mems_allowed=0 [ 319.643862] ? pvclock_read_flags+0x160/0x160 [ 319.670093] ? lapic_next_event+0x5a/0x90 [ 319.674247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.679788] ? check_preemption_disabled+0x48/0x200 [ 319.684803] ? check_preemption_disabled+0x48/0x200 [ 319.689837] ? kvm_clock_read+0x18/0x30 [ 319.693816] ? kvm_sched_clock_read+0x9/0x20 [ 319.698233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.703771] ? check_preemption_disabled+0x48/0x200 [ 319.708815] irq_exit+0x17f/0x1c0 [ 319.712275] smp_apic_timer_interrupt+0x1cb/0x760 [ 319.717125] ? smp_reschedule_interrupt+0x109/0x650 [ 319.722146] ? smp_call_function_single_interrupt+0x650/0x650 [ 319.728040] ? interrupt_entry+0xb5/0xf0 [ 319.732126] ? trace_hardirqs_off_caller+0xbb/0x300 [ 319.737144] ? trace_hardirqs_off_caller+0xbb/0x300 [ 319.742166] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.747019] ? trace_hardirqs_off+0x300/0x300 [ 319.751520] ? trace_hardirqs_off+0x300/0x300 [ 319.756028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.761565] ? check_preemption_disabled+0x48/0x200 [ 319.766595] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.771449] apic_timer_interrupt+0xf/0x20 [ 319.775678] [ 319.777918] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 319.782848] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 319.801753] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 319.809463] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 319.816747] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 319.824030] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 319.831296] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 319.838567] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 319.845887] skb_clone+0x1bb/0x500 [ 319.849458] ? skb_split+0x11e0/0x11e0 [ 319.853351] ? preempt_notifier_register+0x200/0x200 [ 319.858462] ? __switch_to_asm+0x34/0x70 [ 319.862531] ? __switch_to_asm+0x34/0x70 [ 319.866603] ? __switch_to_asm+0x40/0x70 [ 319.870668] ? __switch_to_asm+0x34/0x70 [ 319.874741] ? __switch_to_asm+0x40/0x70 [ 319.878805] ? __switch_to_asm+0x40/0x70 [ 319.882863] ? __switch_to_asm+0x34/0x70 [ 319.886940] ? __switch_to_asm+0x34/0x70 [ 319.891013] ? __switch_to_asm+0x40/0x70 [ 319.895088] ? __switch_to_asm+0x34/0x70 [ 319.899166] bpf_clone_redirect+0xb9/0x490 [ 319.903438] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 319.908459] ? __sched_text_start+0x8/0x8 [ 319.912629] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 319.917398] ? find_held_lock+0x36/0x1c0 [ 319.921468] ? lock_acquire+0x1ed/0x520 [ 319.925447] ? bpf_test_run+0x32e/0x5a0 [ 319.929428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.934967] ? check_preemption_disabled+0x48/0x200 [ 319.940013] ? kasan_check_read+0x11/0x20 [ 319.944172] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.949457] ? rcu_bh_qs+0xc0/0xc0 [ 319.953013] ? preempt_schedule+0x4d/0x60 [ 319.957167] ? ___preempt_schedule+0x16/0x18 [ 319.961589] ? bpf_test_run+0x1c0/0x5a0 [ 319.965577] ? netlink_diag_dump+0x2a0/0x2a0 [ 319.970006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.975543] ? bpf_test_init.isra.9+0x70/0x100 [ 319.980159] ? bpf_prog_test_run_skb+0x634/0xb40 [ 319.984922] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 319.989766] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 319.995307] ? fput+0x130/0x1a0 [ 319.998588] ? __bpf_prog_get+0x9b/0x290 [ 320.002678] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 320.007522] ? bpf_prog_test_run+0x130/0x1a0 [ 320.011938] ? __x64_sys_bpf+0x3d8/0x510 [ 320.016008] ? bpf_prog_get+0x20/0x20 [ 320.019824] ? ksys_ioctl+0x81/0xd0 [ 320.023474] ? do_syscall_64+0x1b9/0x820 [ 320.027809] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 320.033191] ? syscall_return_slowpath+0x5e0/0x5e0 [ 320.038129] ? trace_hardirqs_off+0x300/0x300 [ 320.042629] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 320.047665] ? recalc_sigpending_tsk+0x180/0x180 [ 320.052421] ? kasan_check_write+0x14/0x20 [ 320.056664] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.061533] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 320.066916] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 320.066986] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 320.073763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.073787] Workqueue: (null) [ 320.080355] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 320.089604] (events) [ 320.093661] syz-executor1 cpuset= [ 320.104141] Call Trace: [ 320.106536] syz1 [ 320.109993] [ 320.112557] mems_allowed=0 [ 320.114529] dump_stack+0x1c4/0x2b4 [ 320.123201] ? dump_stack_print_info.cold.2+0x52/0x52 [ 320.128416] warn_alloc.cold.118+0xb7/0x1bd [ 320.132769] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 320.137832] ? lock_downgrade+0x900/0x900 [ 320.141992] ? trace_hardirqs_off+0xb8/0x300 [ 320.146423] ? trace_hardirqs_off+0xb8/0x300 [ 320.150848] __alloc_pages_slowpath+0x2667/0x2d80 [ 320.155727] ? warn_alloc+0x120/0x120 [ 320.159537] ? warn_alloc+0x120/0x120 [ 320.163347] ? print_usage_bug+0xc0/0xc0 [ 320.167412] ? warn_alloc+0x120/0x120 [ 320.171216] ? lock_release+0x970/0x970 [ 320.175190] ? print_usage_bug+0xc0/0xc0 [ 320.179250] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 320.184457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.189995] ? should_fail+0x22d/0xd01 [ 320.193896] ? __lock_acquire+0x7ec/0x4ec0 [ 320.198141] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.203249] ? __lock_acquire+0x7ec/0x4ec0 [ 320.207492] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.212597] ? __lock_acquire+0x7ec/0x4ec0 [ 320.216834] ? should_fail+0x22d/0xd01 [ 320.220771] ? mark_held_locks+0x130/0x130 [ 320.225030] ? mark_held_locks+0x130/0x130 [ 320.229281] ? graph_lock+0x170/0x170 [ 320.233082] ? print_usage_bug+0xc0/0xc0 [ 320.237148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.242690] ? check_preemption_disabled+0x48/0x200 [ 320.247709] ? check_preemption_disabled+0x48/0x200 [ 320.252767] ? __lock_is_held+0xb5/0x140 [ 320.256837] __alloc_pages_nodemask+0xa80/0xde0 [ 320.261510] ? graph_lock+0x170/0x170 [ 320.265317] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 320.270350] ? graph_lock+0x170/0x170 [ 320.274163] ? find_held_lock+0x36/0x1c0 [ 320.278240] ? ____cache_alloc_node+0x1c7/0x1e0 [ 320.282913] ? lock_downgrade+0x900/0x900 [ 320.287076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.292621] cache_grow_begin+0x91/0x8c0 [ 320.296684] ? do_raw_spin_unlock+0xa7/0x2f0 [ 320.301103] fallback_alloc+0x203/0x2e0 [ 320.305099] ____cache_alloc_node+0x1c7/0x1e0 [ 320.309601] kmem_cache_alloc_node+0xe3/0x730 [ 320.314115] ? ipv6_get_ifaddr+0x42e/0x620 [ 320.318374] __alloc_skb+0x119/0x770 [ 320.322092] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.327373] ? skb_scrub_packet+0x490/0x490 [ 320.331710] ? lock_downgrade+0x900/0x900 [ 320.335865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.341401] ? refcount_sub_and_test_checked+0x203/0x310 [ 320.346873] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 320.352339] ? addrconf_rs_timer+0x6f0/0x6f0 [ 320.356764] ndisc_alloc_skb+0x144/0x340 [ 320.360831] ndisc_send_rs+0x331/0x6e0 [ 320.364726] addrconf_rs_timer+0x3c0/0x6f0 [ 320.368970] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.373229] call_timer_fn+0x272/0x920 [ 320.377123] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.381359] ? process_timeout+0x40/0x40 [ 320.385435] ? find_held_lock+0x36/0x1c0 [ 320.389505] ? __run_timers+0x7da/0xc70 [ 320.393494] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.397991] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.402507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.406745] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 320.411345] ? trace_hardirqs_on+0xbd/0x310 [ 320.415667] ? kasan_check_read+0x11/0x20 [ 320.419829] ? __run_timers+0x7da/0xc70 [ 320.423824] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.429292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.433533] __run_timers+0x7e5/0xc70 [ 320.437349] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 320.442717] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 320.447738] ? graph_lock+0x170/0x170 [ 320.451543] ? enqueue_hrtimer+0x1a5/0x560 [ 320.455776] ? lock_release+0x970/0x970 [ 320.459751] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 320.464949] ? find_held_lock+0x36/0x1c0 [ 320.469054] ? pvclock_read_flags+0x160/0x160 [ 320.473563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.479100] ? check_preemption_disabled+0x48/0x200 [ 320.484130] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 320.489668] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.494949] ? rcu_pm_notify+0xc0/0xc0 [ 320.498858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.504393] ? check_preemption_disabled+0x48/0x200 [ 320.509418] run_timer_softirq+0x52/0xb0 [ 320.513479] ? rcu_read_lock_sched_held+0x108/0x120 [ 320.518513] __do_softirq+0x30b/0xad8 [ 320.522327] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 320.527465] ? pvclock_read_flags+0x160/0x160 [ 320.531959] ? lapic_next_event+0x5a/0x90 [ 320.536107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.541646] ? check_preemption_disabled+0x48/0x200 [ 320.546685] ? check_preemption_disabled+0x48/0x200 [ 320.551709] ? kvm_clock_read+0x18/0x30 [ 320.555684] ? kvm_sched_clock_read+0x9/0x20 [ 320.560097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.565635] ? check_preemption_disabled+0x48/0x200 [ 320.570664] irq_exit+0x17f/0x1c0 [ 320.574122] smp_apic_timer_interrupt+0x1cb/0x760 [ 320.578976] ? smp_call_function_single_interrupt+0x650/0x650 [ 320.584873] ? interrupt_entry+0xb5/0xf0 [ 320.588941] ? trace_hardirqs_off_caller+0xbb/0x300 [ 320.593957] ? trace_hardirqs_off_caller+0xbb/0x300 [ 320.598977] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.603828] ? trace_hardirqs_off+0x300/0x300 [ 320.608325] ? trace_hardirqs_off+0x300/0x300 [ 320.612821] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.618360] ? check_preemption_disabled+0x48/0x200 [ 320.623376] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.628925] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.633785] apic_timer_interrupt+0xf/0x20 [ 320.638023] [ 320.640267] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 320.645375] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 320.664286] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 320.672028] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 320.679298] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 320.686564] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 320.693834] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 320.701100] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 320.708448] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.712951] finish_task_switch+0x1f5/0x900 [ 320.717280] ? finish_task_switch+0x1b5/0x900 [ 320.721781] ? __switch_to_asm+0x34/0x70 [ 320.725852] ? preempt_notifier_register+0x200/0x200 [ 320.730956] ? __switch_to_asm+0x34/0x70 [ 320.735028] ? __switch_to_asm+0x34/0x70 [ 320.739088] ? __switch_to_asm+0x40/0x70 [ 320.743152] ? __switch_to_asm+0x34/0x70 [ 320.747212] ? __switch_to_asm+0x40/0x70 [ 320.751271] ? __switch_to_asm+0x34/0x70 [ 320.755330] ? __switch_to_asm+0x40/0x70 [ 320.759404] ? __switch_to_asm+0x34/0x70 [ 320.763475] ? __switch_to_asm+0x40/0x70 [ 320.767561] ? __switch_to_asm+0x34/0x70 [ 320.771625] ? __switch_to_asm+0x40/0x70 [ 320.775688] ? __switch_to_asm+0x34/0x70 [ 320.779746] ? __switch_to_asm+0x40/0x70 [ 320.783809] ? __switch_to_asm+0x34/0x70 [ 320.787871] ? __switch_to_asm+0x40/0x70 [ 320.791955] __schedule+0x874/0x1ed0 [ 320.795676] ? lockdep_hardirqs_on+0x421/0x5c0 [ 320.800267] ? __sched_text_start+0x8/0x8 [ 320.804422] ? graph_lock+0x170/0x170 [ 320.808232] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 320.813004] ? lockdep_hardirqs_on+0x421/0x5c0 [ 320.817590] ? retint_kernel+0x2d/0x2d [ 320.821484] ? find_held_lock+0x36/0x1c0 [ 320.825558] schedule+0xfe/0x460 [ 320.828928] ? __schedule+0x1ed0/0x1ed0 [ 320.832906] ? lockdep_hardirqs_on+0x421/0x5c0 [ 320.837495] ? trace_hardirqs_on+0xbd/0x310 [ 320.841815] ? kasan_check_read+0x11/0x20 [ 320.845963] ? worker_thread+0x3ca/0x1390 [ 320.850117] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.855569] ? kasan_check_write+0x14/0x20 [ 320.859818] ? do_raw_spin_lock+0xc1/0x200 [ 320.864087] worker_thread+0x3cf/0x1390 [ 320.868066] ? __switch_to_asm+0x34/0x70 [ 320.872140] ? process_one_work+0x1b90/0x1b90 [ 320.876642] ? graph_lock+0x170/0x170 [ 320.880472] ? __sched_text_start+0x8/0x8 [ 320.884631] ? find_held_lock+0x36/0x1c0 [ 320.888702] ? __kthread_parkme+0xce/0x1a0 [ 320.892945] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 320.898056] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 320.903163] ? lockdep_hardirqs_on+0x421/0x5c0 [ 320.907749] ? trace_hardirqs_on+0xbd/0x310 [ 320.912084] ? kasan_check_read+0x11/0x20 [ 320.916237] ? __kthread_parkme+0xce/0x1a0 [ 320.920486] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.925941] ? kasan_check_write+0x14/0x20 [ 320.930176] ? do_raw_spin_lock+0xc1/0x200 [ 320.934415] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 320.939518] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.945060] ? __kthread_parkme+0xfb/0x1a0 [ 320.949302] kthread+0x35a/0x420 [ 320.952673] ? process_one_work+0x1b90/0x1b90 [ 320.957173] ? kthread_bind+0x40/0x40 [ 320.960982] ret_from_fork+0x3a/0x50 [ 320.964739] warn_alloc_show_mem: 1 callbacks suppressed [ 320.964750] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 320.964765] Mem-Info: [ 320.964794] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 320.964794] active_file:13 inactive_file:18 isolated_file:0 [ 320.964794] unevictable:0 dirty:0 writeback:0 unstable:0 [ 320.964794] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 320.964794] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 320.964794] free:13747 free_pcp:307 free_cma:0 [ 320.970135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.970144] Call Trace: [ 320.977355] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 320.979765] [ 321.012630] Node 0 [ 321.021991] dump_stack+0x1c4/0x2b4 [ 321.024569] 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 [ 321.052218] ? dump_stack_print_info.cold.2+0x52/0x52 [ 321.054342] lowmem_reserve[]: [ 321.056584] warn_alloc.cold.118+0xb7/0x1bd [ 321.060179] 0 [ 321.085703] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 321.090870] 2815 [ 321.094009] ? lock_downgrade+0x900/0x900 [ 321.098305] 6318 [ 321.100107] ? trace_hardirqs_off+0xb8/0x300 [ 321.104913] 6318 [ 321.107004] ? trace_hardirqs_off+0xb8/0x300 [ 321.111124] Node 0 [ 321.113193] __alloc_pages_slowpath+0x2667/0x2d80 [ 321.117598] DMA32 free:25280kB 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 [ 321.119671] ? warn_alloc+0x120/0x120 [ 321.124029] lowmem_reserve[]: [ 321.126268] ? trace_hardirqs_on+0x310/0x310 [ 321.131080] 0 0 [ 321.158081] ? warn_alloc+0x120/0x120 [ 321.161858] 3503 [ 321.164960] ? print_usage_bug+0xc0/0xc0 [ 321.169336] 3503 [ 321.171319] ? warn_alloc+0x120/0x120 [ 321.175107] Node 0 [ 321.177169] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 321.181235] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 321.183268] ? print_usage_bug+0xc0/0xc0 [ 321.187042] lowmem_reserve[]: [ 321.189291] ? __lock_acquire+0x7ec/0x4ec0 [ 321.194283] 0 [ 321.222653] ? __lock_acquire+0x7ec/0x4ec0 [ 321.226691] 0 [ 321.229791] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.233991] 0 0 [ 321.235803] ? should_fail+0x22d/0xd01 [ 321.241831] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.247343] Node 0 [ 321.249317] ? __lock_acquire+0x7ec/0x4ec0 [ 321.253178] DMA: 1*4kB [ 321.258289] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.260511] (U) [ 321.264764] ? __lock_acquire+0x7ec/0x4ec0 [ 321.267342] 0*8kB [ 321.272440] ? should_fail+0x22d/0xd01 [ 321.274406] 0*16kB [ 321.278648] ? print_usage_bug+0xc0/0xc0 [ 321.280776] 1*32kB [ 321.284659] ? mark_held_locks+0x130/0x130 [ 321.286866] (U) [ 321.290936] ? mark_held_locks+0x130/0x130 [ 321.293151] 2*64kB [ 321.297384] ? graph_lock+0x170/0x170 [ 321.299349] (U) [ 321.303576] ? print_usage_bug+0xc0/0xc0 [ 321.305791] 1*128kB [ 321.309583] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 321.311533] (U) [ 321.315589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.317882] 1*256kB (U) [ 321.322642] ? check_preemption_disabled+0x48/0x200 [ 321.324596] 0*512kB [ 321.330126] ? check_preemption_disabled+0x48/0x200 [ 321.332777] 1*1024kB [ 321.337794] ? __lock_is_held+0xb5/0x140 [ 321.340106] (U) [ 321.345126] __alloc_pages_nodemask+0xa80/0xde0 [ 321.347515] 1*2048kB [ 321.351565] ? graph_lock+0x170/0x170 [ 321.353522] (M) [ 321.358188] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 321.360576] 3*4096kB [ 321.364374] ? graph_lock+0x170/0x170 [ 321.366340] (M) [ 321.371368] ? find_held_lock+0x36/0x1c0 [ 321.373770] = 15908kB [ 321.377579] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.379544] Node 0 [ 321.383600] ? lock_downgrade+0x900/0x900 [ 321.386010] DMA32: [ 321.390677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.392889] 4*4kB [ 321.397035] cache_grow_begin+0x91/0x8c0 [ 321.399249] (UM) [ 321.404781] ? do_raw_spin_unlock+0xa7/0x2f0 [ 321.406911] 2*8kB [ 321.411019] fallback_alloc+0x203/0x2e0 [ 321.413052] (M) [ 321.417461] ____cache_alloc_node+0x1c7/0x1e0 [ 321.419597] 2*16kB [ 321.423615] kmem_cache_alloc_node+0xe3/0x730 [ 321.425568] (UM) [ 321.430063] ? ipv6_get_ifaddr+0x42e/0x620 [ 321.432274] 2*32kB [ 321.436768] __alloc_skb+0x119/0x770 [ 321.438808] (UM) [ 321.443041] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.445251] 3*64kB [ 321.448960] ? skb_scrub_packet+0x490/0x490 [ 321.451015] (UM) [ 321.456284] ? lock_downgrade+0x900/0x900 [ 321.458497] 3*128kB [ 321.462825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.464871] (M) [ 321.469015] ? refcount_sub_and_test_checked+0x203/0x310 [ 321.469034] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 321.471339] 2*256kB [ 321.476873] ? addrconf_rs_timer+0x6f0/0x6f0 [ 321.478827] (M) [ 321.484282] ndisc_alloc_skb+0x144/0x340 [ 321.489699] 3*512kB [ 321.492028] ndisc_send_rs+0x331/0x6e0 [ 321.496412] (M) [ 321.498387] addrconf_rs_timer+0x3c0/0x6f0 [ 321.502431] 4*1024kB [ 321.504749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.508609] (UM) [ 321.510604] call_timer_fn+0x272/0x920 [ 321.514808] 3*2048kB [ 321.517213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.521415] (UM) 3*4096kB [ 321.523519] ? process_timeout+0x40/0x40 [ 321.527375] (M) [ 321.529781] ? find_held_lock+0x36/0x1c0 [ 321.534005] = 25280kB [ 321.536859] ? __run_timers+0x7da/0xc70 [ 321.540894] Node 0 [ 321.542880] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.546912] Normal: 876*4kB [ 321.549345] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.553298] (UME) [ 321.555567] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.560051] 393*8kB [ 321.563065] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 321.567536] (UMEH) [ 321.569686] ? trace_hardirqs_on+0xbd/0x310 [ 321.573899] 183*16kB [ 321.576220] ? kasan_check_read+0x11/0x20 [ 321.580778] (UMEH) [ 321.583015] ? __run_timers+0x7da/0xc70 [ 321.583032] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.587335] 70*32kB [ 321.589755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.593879] (UMEH) [ 321.596116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.600076] 13*64kB (UMH) [ 321.605561] __run_timers+0x7e5/0xc70 [ 321.607871] 3*128kB [ 321.612117] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 321.614313] (UH) 3*256kB [ 321.618555] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 321.621373] (H) [ 321.625168] ? graph_lock+0x170/0x170 [ 321.627468] 0*512kB [ 321.632839] ? enqueue_hrtimer+0x1a5/0x560 [ 321.635571] 0*1024kB 0*2048kB [ 321.640594] ? lock_release+0x970/0x970 [ 321.642548] 0*4096kB [ 321.646346] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 321.648645] = 13800kB [ 321.648660] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 321.652884] ? find_held_lock+0x36/0x1c0 [ 321.656057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 321.660027] ? graph_lock+0x170/0x170 [ 321.662414] 410 total pagecache pages [ 321.667598] ? pvclock_read_flags+0x160/0x160 [ 321.669990] 0 pages in swap cache [ 321.678825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.682866] Swap cache stats: add 0, delete 0, find 0/0 [ 321.691430] ? check_preemption_disabled+0x48/0x200 [ 321.695211] Free swap = 0kB [ 321.699023] ? __lock_is_held+0xb5/0x140 [ 321.703497] Total swap = 0kB [ 321.706949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.712458] 1965979 pages RAM [ 321.717812] ? check_preemption_disabled+0x48/0x200 [ 321.722799] 0 pages HighMem/MovableOnly [ 321.722809] 343323 pages reserved [ 321.725839] run_timer_softirq+0x52/0xb0 [ 321.729877] 0 pages cma reserved [ 321.732892] ? rcu_read_lock_sched_held+0x108/0x120 [ 321.738502] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 321.741543] __do_softirq+0x30b/0xad8 [ 321.746599] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 321.750518] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 321.753933] kworker/0:1 cpuset= [ 321.757999] ? pvclock_read_flags+0x160/0x160 [ 321.761339] / [ 321.766352] ? lapic_next_event+0x5a/0x90 [ 321.772823] mems_allowed=0 [ 321.776632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.814084] ? check_preemption_disabled+0x48/0x200 [ 321.819108] ? check_preemption_disabled+0x48/0x200 [ 321.824140] ? kvm_clock_read+0x18/0x30 [ 321.828133] ? kvm_sched_clock_read+0x9/0x20 [ 321.832550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.838089] ? check_preemption_disabled+0x48/0x200 [ 321.843128] irq_exit+0x17f/0x1c0 [ 321.846594] smp_apic_timer_interrupt+0x1cb/0x760 [ 321.851443] ? smp_reschedule_interrupt+0x109/0x650 [ 321.856468] ? smp_call_function_single_interrupt+0x650/0x650 [ 321.862369] ? interrupt_entry+0xb5/0xf0 [ 321.866432] ? trace_hardirqs_off_caller+0xbb/0x300 [ 321.871448] ? trace_hardirqs_off_caller+0xbb/0x300 [ 321.876467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.881322] ? trace_hardirqs_off+0x300/0x300 [ 321.885820] ? trace_hardirqs_off+0x300/0x300 [ 321.890320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.895867] ? check_preemption_disabled+0x48/0x200 [ 321.900905] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.905779] apic_timer_interrupt+0xf/0x20 [ 321.910019] [ 321.912264] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 321.917201] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 321.936112] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 321.943832] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 321.951113] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 321.958402] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 321.965699] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 321.972969] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 321.980295] skb_clone+0x1bb/0x500 [ 321.983846] ? skb_split+0x11e0/0x11e0 [ 321.987773] ? preempt_notifier_register+0x200/0x200 [ 321.992880] ? __switch_to_asm+0x34/0x70 [ 321.996949] ? __switch_to_asm+0x34/0x70 [ 322.001023] ? __switch_to_asm+0x40/0x70 [ 322.005085] ? __switch_to_asm+0x34/0x70 [ 322.009162] ? __switch_to_asm+0x40/0x70 [ 322.013227] ? __switch_to_asm+0x40/0x70 [ 322.017289] ? __switch_to_asm+0x34/0x70 [ 322.021355] ? __switch_to_asm+0x34/0x70 [ 322.025416] ? __switch_to_asm+0x40/0x70 [ 322.029777] ? __switch_to_asm+0x34/0x70 [ 322.033850] bpf_clone_redirect+0xb9/0x490 [ 322.038098] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 322.043128] ? __sched_text_start+0x8/0x8 [ 322.047288] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 322.052059] ? find_held_lock+0x36/0x1c0 [ 322.056129] ? lock_acquire+0x1ed/0x520 [ 322.060106] ? bpf_test_run+0x32e/0x5a0 [ 322.064086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.069628] ? check_preemption_disabled+0x48/0x200 [ 322.074651] ? kasan_check_read+0x11/0x20 [ 322.078816] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.084101] ? rcu_bh_qs+0xc0/0xc0 [ 322.087661] ? preempt_schedule+0x4d/0x60 [ 322.091824] ? ___preempt_schedule+0x16/0x18 [ 322.096250] ? bpf_test_run+0x1c0/0x5a0 [ 322.100237] ? netlink_diag_dump+0x2a0/0x2a0 [ 322.104655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.110195] ? bpf_test_init.isra.9+0x70/0x100 [ 322.114786] ? bpf_prog_test_run_skb+0x634/0xb40 [ 322.119556] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 322.124428] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 322.129967] ? fput+0x130/0x1a0 [ 322.133752] ? __bpf_prog_get+0x9b/0x290 [ 322.137824] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 322.142674] ? bpf_prog_test_run+0x130/0x1a0 [ 322.147095] ? __x64_sys_bpf+0x3d8/0x510 [ 322.151161] ? bpf_prog_get+0x20/0x20 [ 322.154977] ? ksys_ioctl+0x81/0xd0 [ 322.158636] ? do_syscall_64+0x1b9/0x820 [ 322.162711] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 322.168085] ? syscall_return_slowpath+0x5e0/0x5e0 [ 322.173027] ? trace_hardirqs_off+0x300/0x300 [ 322.177533] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 322.182550] ? recalc_sigpending_tsk+0x180/0x180 [ 322.187307] ? kasan_check_write+0x14/0x20 [ 322.191567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.196422] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 322.201821] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 322.201891] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 322.208668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.208700] Workqueue: (null) (events) [ 322.208711] Call Trace: [ 322.208718] [ 322.208735] dump_stack+0x1c4/0x2b4 [ 322.208753] ? dump_stack_print_info.cold.2+0x52/0x52 [ 322.215288] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 322.224595] warn_alloc.cold.118+0xb7/0x1bd [ 322.229403] syz-executor1 cpuset= [ 322.231982] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 322.234127] syz1 [ 322.237753] ? lock_downgrade+0x900/0x900 [ 322.242922] mems_allowed=0 [ 322.253407] ? trace_hardirqs_off+0xb8/0x300 [ 322.279436] ? trace_hardirqs_off+0xb8/0x300 [ 322.283857] __alloc_pages_slowpath+0x2667/0x2d80 [ 322.288757] ? warn_alloc+0x120/0x120 [ 322.292564] ? graph_lock+0x170/0x170 [ 322.296365] ? warn_alloc+0x120/0x120 [ 322.300181] ? print_usage_bug+0xc0/0xc0 [ 322.304246] ? warn_alloc+0x120/0x120 [ 322.308048] ? print_usage_bug+0xc0/0xc0 [ 322.312115] ? __lock_acquire+0x7ec/0x4ec0 [ 322.316352] ? __lock_acquire+0x7ec/0x4ec0 [ 322.320593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.326133] ? should_fail+0x22d/0xd01 [ 322.330032] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.335139] ? __lock_acquire+0x7ec/0x4ec0 [ 322.339381] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.344484] ? __lock_acquire+0x7ec/0x4ec0 [ 322.348720] ? should_fail+0x22d/0xd01 [ 322.352624] ? mark_held_locks+0x130/0x130 [ 322.356869] ? mark_held_locks+0x130/0x130 [ 322.361110] ? graph_lock+0x170/0x170 [ 322.364910] ? graph_lock+0x170/0x170 [ 322.368729] ? graph_lock+0x170/0x170 [ 322.372531] ? print_usage_bug+0xc0/0xc0 [ 322.376593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.382136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.387677] ? check_preemption_disabled+0x48/0x200 [ 322.392691] ? check_preemption_disabled+0x48/0x200 [ 322.397716] ? __lock_is_held+0xb5/0x140 [ 322.401844] __alloc_pages_nodemask+0xa80/0xde0 [ 322.406523] ? graph_lock+0x170/0x170 [ 322.410331] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 322.415347] ? graph_lock+0x170/0x170 [ 322.419162] ? find_held_lock+0x36/0x1c0 [ 322.423238] ? ____cache_alloc_node+0x1c7/0x1e0 [ 322.427910] ? lock_downgrade+0x900/0x900 [ 322.432066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.437622] cache_grow_begin+0x91/0x8c0 [ 322.441689] ? do_raw_spin_unlock+0xa7/0x2f0 [ 322.446109] fallback_alloc+0x203/0x2e0 [ 322.450095] ____cache_alloc_node+0x1c7/0x1e0 [ 322.454598] kmem_cache_alloc_node+0xe3/0x730 [ 322.459117] ? ipv6_get_ifaddr+0x42e/0x620 [ 322.463377] __alloc_skb+0x119/0x770 [ 322.467096] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.472377] ? skb_scrub_packet+0x490/0x490 [ 322.476699] ? lock_downgrade+0x900/0x900 [ 322.480869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.486408] ? refcount_sub_and_test_checked+0x203/0x310 [ 322.491870] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 322.497329] ? addrconf_rs_timer+0x6f0/0x6f0 [ 322.501757] ndisc_alloc_skb+0x144/0x340 [ 322.505827] ndisc_send_rs+0x331/0x6e0 [ 322.509735] addrconf_rs_timer+0x3c0/0x6f0 [ 322.513980] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.518233] call_timer_fn+0x272/0x920 [ 322.522126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.526368] ? process_timeout+0x40/0x40 [ 322.530457] ? find_held_lock+0x36/0x1c0 [ 322.534530] ? __run_timers+0x7da/0xc70 [ 322.538514] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.543022] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.547543] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.551786] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 322.556371] ? trace_hardirqs_on+0xbd/0x310 [ 322.560691] ? kasan_check_read+0x11/0x20 [ 322.564866] ? __run_timers+0x7da/0xc70 [ 322.568843] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.574300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.578554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.582786] __run_timers+0x7e5/0xc70 [ 322.586610] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 322.591980] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 322.597010] ? graph_lock+0x170/0x170 [ 322.600830] ? enqueue_hrtimer+0x1a5/0x560 [ 322.605076] ? lock_release+0x970/0x970 [ 322.609051] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 322.614253] ? find_held_lock+0x36/0x1c0 [ 322.618325] ? pvclock_read_flags+0x160/0x160 [ 322.622823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.628364] ? check_preemption_disabled+0x48/0x200 [ 322.633392] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 322.638932] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.644213] ? rcu_pm_notify+0xc0/0xc0 [ 322.648122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.653657] ? check_preemption_disabled+0x48/0x200 [ 322.658684] run_timer_softirq+0x52/0xb0 [ 322.662775] ? rcu_read_lock_sched_held+0x108/0x120 [ 322.667796] __do_softirq+0x30b/0xad8 [ 322.671614] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 322.676723] ? pvclock_read_flags+0x160/0x160 [ 322.682021] ? lapic_next_event+0x5a/0x90 [ 322.686172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.691723] ? check_preemption_disabled+0x48/0x200 [ 322.696742] ? check_preemption_disabled+0x48/0x200 [ 322.701769] ? kvm_clock_read+0x18/0x30 [ 322.705750] ? kvm_sched_clock_read+0x9/0x20 [ 322.710162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.715698] ? check_preemption_disabled+0x48/0x200 [ 322.720726] irq_exit+0x17f/0x1c0 [ 322.724213] smp_apic_timer_interrupt+0x1cb/0x760 [ 322.729063] ? smp_call_function_single_interrupt+0x650/0x650 [ 322.734953] ? interrupt_entry+0xb5/0xf0 [ 322.739024] ? trace_hardirqs_off_caller+0xbb/0x300 [ 322.744044] ? trace_hardirqs_off_caller+0xbb/0x300 [ 322.749062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.753905] ? trace_hardirqs_off+0x300/0x300 [ 322.758402] ? trace_hardirqs_off+0x300/0x300 [ 322.762900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.768437] ? check_preemption_disabled+0x48/0x200 [ 322.773451] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.779016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.783884] apic_timer_interrupt+0xf/0x20 [ 322.788114] [ 322.790357] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 322.795462] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 322.814364] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 322.822086] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 322.829353] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 322.836622] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 322.843903] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 322.851171] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 322.858498] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.863021] finish_task_switch+0x1f5/0x900 [ 322.867343] ? finish_task_switch+0x1b5/0x900 [ 322.871838] ? __switch_to_asm+0x34/0x70 [ 322.875908] ? preempt_notifier_register+0x200/0x200 [ 322.881018] ? __switch_to_asm+0x34/0x70 [ 322.885086] ? __switch_to_asm+0x34/0x70 [ 322.889162] ? __switch_to_asm+0x40/0x70 [ 322.893228] ? __switch_to_asm+0x34/0x70 [ 322.897303] ? __switch_to_asm+0x40/0x70 [ 322.901364] ? __switch_to_asm+0x34/0x70 [ 322.905439] ? __switch_to_asm+0x40/0x70 [ 322.909499] ? __switch_to_asm+0x34/0x70 [ 322.913571] ? __switch_to_asm+0x40/0x70 [ 322.917632] ? __switch_to_asm+0x34/0x70 [ 322.921708] ? __switch_to_asm+0x40/0x70 [ 322.925766] ? __switch_to_asm+0x34/0x70 [ 322.929826] ? __switch_to_asm+0x40/0x70 [ 322.933884] ? __switch_to_asm+0x34/0x70 [ 322.937942] ? __switch_to_asm+0x40/0x70 [ 322.942031] __schedule+0x874/0x1ed0 [ 322.945752] ? lockdep_hardirqs_on+0x421/0x5c0 [ 322.950347] ? __sched_text_start+0x8/0x8 [ 322.954502] ? graph_lock+0x170/0x170 [ 322.958309] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 322.963075] ? lockdep_hardirqs_on+0x421/0x5c0 [ 322.967658] ? retint_kernel+0x2d/0x2d [ 322.971552] ? find_held_lock+0x36/0x1c0 [ 322.975648] schedule+0xfe/0x460 [ 322.979034] ? __schedule+0x1ed0/0x1ed0 [ 322.983018] ? lockdep_hardirqs_on+0x421/0x5c0 [ 322.987621] ? trace_hardirqs_on+0xbd/0x310 [ 322.991957] ? kasan_check_read+0x11/0x20 [ 322.996104] ? worker_thread+0x3ca/0x1390 [ 323.000253] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.005705] ? kasan_check_write+0x14/0x20 [ 323.009965] ? do_raw_spin_lock+0xc1/0x200 [ 323.014211] worker_thread+0x3cf/0x1390 [ 323.018187] ? __switch_to_asm+0x34/0x70 [ 323.022263] ? process_one_work+0x1b90/0x1b90 [ 323.026763] ? graph_lock+0x170/0x170 [ 323.030571] ? __sched_text_start+0x8/0x8 [ 323.034731] ? find_held_lock+0x36/0x1c0 [ 323.038822] ? __kthread_parkme+0xce/0x1a0 [ 323.043059] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 323.048164] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 323.053271] ? lockdep_hardirqs_on+0x421/0x5c0 [ 323.057859] ? trace_hardirqs_on+0xbd/0x310 [ 323.062189] ? kasan_check_read+0x11/0x20 [ 323.066351] ? __kthread_parkme+0xce/0x1a0 [ 323.070596] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.076052] ? kasan_check_write+0x14/0x20 [ 323.080291] ? do_raw_spin_lock+0xc1/0x200 [ 323.084535] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 323.089642] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.095183] ? __kthread_parkme+0xfb/0x1a0 [ 323.099429] kthread+0x35a/0x420 [ 323.102799] ? process_one_work+0x1b90/0x1b90 [ 323.107293] ? kthread_bind+0x40/0x40 [ 323.111099] ret_from_fork+0x3a/0x50 [ 323.114831] warn_alloc_show_mem: 1 callbacks suppressed [ 323.114844] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 323.114846] Mem-Info: [ 323.114877] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 323.114877] active_file:13 inactive_file:18 isolated_file:0 [ 323.114877] unevictable:0 dirty:0 writeback:0 unstable:0 [ 323.114877] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 323.114877] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 323.114877] free:13747 free_pcp:307 free_cma:0 [ 323.120215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.120224] Call Trace: [ 323.127422] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 323.129822] [ 323.162695] Node 0 [ 323.172055] dump_stack+0x1c4/0x2b4 [ 323.174637] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 323.202292] ? dump_stack_print_info.cold.2+0x52/0x52 [ 323.204432] lowmem_reserve[]: [ 323.206673] warn_alloc.cold.118+0xb7/0x1bd [ 323.210267] 0 [ 323.235771] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.240936] 2815 [ 323.244044] ? lock_downgrade+0x900/0x900 [ 323.248333] 6318 6318 [ 323.250145] ? trace_hardirqs_off+0xb8/0x300 [ 323.254965] Node 0 [ 323.257038] ? trace_hardirqs_off+0xb8/0x300 [ 323.261187] DMA32 free:25280kB 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 [ 323.263665] __alloc_pages_slowpath+0x2667/0x2d80 [ 323.268078] lowmem_reserve[]: 0 [ 323.270350] ? warn_alloc+0x120/0x120 [ 323.274702] 0 3503 [ 323.301712] ? warn_alloc+0x120/0x120 [ 323.306536] 3503 [ 323.309817] ? print_usage_bug+0xc0/0xc0 [ 323.313597] Node 0 [ 323.315831] ? warn_alloc+0x120/0x120 [ 323.319632] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 323.321710] ? print_usage_bug+0xc0/0xc0 [ 323.325745] lowmem_reserve[]: 0 [ 323.327996] ? __lock_acquire+0x7ec/0x4ec0 [ 323.331765] 0 0 [ 323.360161] ? __lock_acquire+0x7ec/0x4ec0 [ 323.364207] 0 [ 323.367485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.373671] ? should_fail+0x22d/0xd01 [ 323.377881] Node 0 [ 323.379681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.385197] DMA: [ 323.389085] ? __lock_acquire+0x7ec/0x4ec0 [ 323.391299] 1*4kB [ 323.396413] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.398459] (U) [ 323.402718] ? __lock_acquire+0x7ec/0x4ec0 [ 323.404838] 0*8kB 0*16kB [ 323.409954] ? should_fail+0x22d/0xd01 [ 323.411913] 1*32kB [ 323.416174] ? mark_held_locks+0x130/0x130 [ 323.418903] (U) [ 323.422784] ? mark_held_locks+0x130/0x130 [ 323.424992] 2*64kB (U) [ 323.429236] ? graph_lock+0x170/0x170 [ 323.431195] 1*128kB [ 323.435428] ? graph_lock+0x170/0x170 [ 323.438007] (U) [ 323.441797] ? graph_lock+0x170/0x170 [ 323.444098] 1*256kB (U) [ 323.447902] ? print_usage_bug+0xc0/0xc0 [ 323.449859] 0*512kB [ 323.453653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.456293] 1*1024kB (U) [ 323.460363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.462664] 1*2048kB [ 323.468194] ? check_preemption_disabled+0x48/0x200 [ 323.470927] (M) [ 323.476457] ? check_preemption_disabled+0x48/0x200 [ 323.478847] 3*4096kB [ 323.483865] ? __lock_is_held+0xb5/0x140 [ 323.485815] (M) [ 323.490829] __alloc_pages_nodemask+0xa80/0xde0 [ 323.493219] = 15908kB [ 323.497278] ? graph_lock+0x170/0x170 [ 323.499235] Node 0 [ 323.503898] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 323.506286] DMA32: [ 323.510081] ? graph_lock+0x170/0x170 [ 323.512295] 4*4kB [ 323.517314] ? find_held_lock+0x36/0x1c0 [ 323.519521] (UM) [ 323.523325] ? ____cache_alloc_node+0x1c7/0x1e0 [ 323.525449] 2*8kB [ 323.529510] ? lock_downgrade+0x900/0x900 [ 323.531547] (M) [ 323.536216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.538344] 2*16kB [ 323.542493] cache_grow_begin+0x91/0x8c0 [ 323.544446] (UM) [ 323.549980] ? do_raw_spin_unlock+0xa7/0x2f0 [ 323.552197] 2*32kB [ 323.556262] fallback_alloc+0x203/0x2e0 [ 323.558298] (UM) [ 323.562710] ____cache_alloc_node+0x1c7/0x1e0 [ 323.564923] 3*64kB [ 323.568893] kmem_cache_alloc_node+0xe3/0x730 [ 323.570935] (UM) [ 323.575430] ? ipv6_get_ifaddr+0x42e/0x620 [ 323.577643] 3*128kB (M) [ 323.582154] __alloc_skb+0x119/0x770 [ 323.584192] 2*256kB [ 323.588426] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.591070] (M) [ 323.594786] ? skb_scrub_packet+0x490/0x490 [ 323.597090] 3*512kB [ 323.602362] ? lock_downgrade+0x900/0x900 [ 323.604314] (M) [ 323.608634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.610931] 4*1024kB [ 323.615079] ? refcount_sub_and_test_checked+0x203/0x310 [ 323.617031] (UM) [ 323.622583] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 323.624959] 3*2048kB [ 323.630409] ? addrconf_rs_timer+0x6f0/0x6f0 [ 323.632450] (UM) [ 323.637906] ndisc_alloc_skb+0x144/0x340 [ 323.640287] 3*4096kB [ 323.644695] ndisc_send_rs+0x331/0x6e0 [ 323.646738] (M) [ 323.650798] addrconf_rs_timer+0x3c0/0x6f0 [ 323.653185] = 25280kB [ 323.657069] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.659029] Node 0 [ 323.663266] call_timer_fn+0x272/0x920 [ 323.665645] Normal: [ 323.669876] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.672092] 876*4kB [ 323.675975] ? process_timeout+0x40/0x40 [ 323.678273] (UME) [ 323.682513] ? find_held_lock+0x36/0x1c0 [ 323.684811] 393*8kB (UMEH) [ 323.688921] ? __run_timers+0x7da/0xc70 [ 323.691050] 183*16kB [ 323.695104] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.698039] (UMEH) [ 323.702022] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.704414] 70*32kB [ 323.708903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.708921] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 323.711141] (UMEH) [ 323.715631] ? trace_hardirqs_on+0xbd/0x310 [ 323.717929] 13*64kB (UMH) [ 323.722169] ? kasan_check_read+0x11/0x20 [ 323.726733] 3*128kB [ 323.728968] ? __run_timers+0x7da/0xc70 [ 323.733264] (UH) [ 323.736106] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.740234] 3*256kB [ 323.742573] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.746531] (H) [ 323.748594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.754019] 0*512kB 0*1024kB [ 323.756353] __run_timers+0x7e5/0xc70 [ 323.760567] 0*2048kB [ 323.762553] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 323.766749] 0*4096kB = 13800kB [ 323.769860] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 323.773645] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 323.776045] ? graph_lock+0x170/0x170 [ 323.781397] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 323.784579] ? enqueue_hrtimer+0x1a5/0x560 [ 323.789571] 410 total pagecache pages [ 323.798402] ? lock_release+0x970/0x970 [ 323.802183] 0 pages in swap cache [ 323.810748] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 323.814970] Swap cache stats: add 0, delete 0, find 0/0 [ 323.814980] Free swap = 0kB [ 323.818797] ? find_held_lock+0x36/0x1c0 [ 323.822762] Total swap = 0kB [ 323.826207] ? graph_lock+0x170/0x170 [ 323.831377] 1965979 pages RAM [ 323.836745] ? pvclock_read_flags+0x160/0x160 [ 323.839733] 0 pages HighMem/MovableOnly [ 323.839742] 343323 pages reserved [ 323.843804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.846795] 0 pages cma reserved [ 323.846865] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 323.850613] ? check_preemption_disabled+0x48/0x200 [ 323.853748] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 323.858192] ? __lock_is_held+0xb5/0x140 [ 323.862140] kworker/0:1 cpuset= [ 323.865593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.871108] / [ 323.874475] ? check_preemption_disabled+0x48/0x200 [ 323.880947] mems_allowed=0 [ 323.885959] run_timer_softirq+0x52/0xb0 [ 323.922811] ? rcu_read_lock_sched_held+0x108/0x120 [ 323.927838] __do_softirq+0x30b/0xad8 [ 323.931651] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 323.936762] ? pvclock_read_flags+0x160/0x160 [ 323.941265] ? lapic_next_event+0x5a/0x90 [ 323.945417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.950959] ? check_preemption_disabled+0x48/0x200 [ 323.955993] ? check_preemption_disabled+0x48/0x200 [ 323.961027] ? kvm_clock_read+0x18/0x30 [ 323.965012] ? kvm_sched_clock_read+0x9/0x20 [ 323.969428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.974970] ? check_preemption_disabled+0x48/0x200 [ 323.980019] irq_exit+0x17f/0x1c0 [ 323.983483] smp_apic_timer_interrupt+0x1cb/0x760 [ 323.988336] ? smp_reschedule_interrupt+0x109/0x650 [ 323.993359] ? smp_call_function_single_interrupt+0x650/0x650 [ 323.999246] ? interrupt_entry+0xb5/0xf0 [ 324.003314] ? trace_hardirqs_off_caller+0xbb/0x300 [ 324.008335] ? trace_hardirqs_off_caller+0xbb/0x300 [ 324.013355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.018201] ? trace_hardirqs_off+0x300/0x300 [ 324.022694] ? trace_hardirqs_off+0x300/0x300 [ 324.027465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.033010] ? check_preemption_disabled+0x48/0x200 [ 324.038039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.042894] apic_timer_interrupt+0xf/0x20 [ 324.047126] [ 324.049368] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 324.054299] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 324.073203] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 324.080917] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 324.088189] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 324.095457] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 324.102723] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 324.109993] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 324.117310] skb_clone+0x1bb/0x500 [ 324.120855] ? skb_split+0x11e0/0x11e0 [ 324.124753] ? preempt_notifier_register+0x200/0x200 [ 324.129858] ? __switch_to_asm+0x34/0x70 [ 324.134443] ? __switch_to_asm+0x34/0x70 [ 324.138515] ? __switch_to_asm+0x40/0x70 [ 324.142581] ? __switch_to_asm+0x34/0x70 [ 324.146645] ? __switch_to_asm+0x40/0x70 [ 324.150708] ? __switch_to_asm+0x40/0x70 [ 324.154769] ? __switch_to_asm+0x34/0x70 [ 324.158832] ? __switch_to_asm+0x34/0x70 [ 324.162897] ? __switch_to_asm+0x40/0x70 [ 324.167218] ? __switch_to_asm+0x34/0x70 [ 324.171304] bpf_clone_redirect+0xb9/0x490 [ 324.175553] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 324.180582] ? __sched_text_start+0x8/0x8 [ 324.184737] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 324.189511] ? find_held_lock+0x36/0x1c0 [ 324.193583] ? lock_acquire+0x1ed/0x520 [ 324.197564] ? bpf_test_run+0x32e/0x5a0 [ 324.201544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.207082] ? check_preemption_disabled+0x48/0x200 [ 324.212106] ? kasan_check_read+0x11/0x20 [ 324.216264] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.221547] ? rcu_bh_qs+0xc0/0xc0 [ 324.225095] ? preempt_schedule+0x4d/0x60 [ 324.229250] ? ___preempt_schedule+0x16/0x18 [ 324.233689] ? bpf_test_run+0x1c0/0x5a0 [ 324.237674] ? netlink_diag_dump+0x2a0/0x2a0 [ 324.242091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.247652] ? bpf_test_init.isra.9+0x70/0x100 [ 324.252239] ? bpf_prog_test_run_skb+0x634/0xb40 [ 324.257012] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 324.261859] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 324.267395] ? fput+0x130/0x1a0 [ 324.270679] ? __bpf_prog_get+0x9b/0x290 [ 324.274760] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 324.279603] ? bpf_prog_test_run+0x130/0x1a0 [ 324.284040] ? __x64_sys_bpf+0x3d8/0x510 [ 324.288103] ? bpf_prog_get+0x20/0x20 [ 324.291913] ? ksys_ioctl+0x81/0xd0 [ 324.295556] ? do_syscall_64+0x1b9/0x820 [ 324.299621] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 324.305002] ? syscall_return_slowpath+0x5e0/0x5e0 [ 324.309938] ? trace_hardirqs_off+0x300/0x300 [ 324.314450] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 324.319469] ? recalc_sigpending_tsk+0x180/0x180 [ 324.324231] ? kasan_check_write+0x14/0x20 [ 324.328475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.333335] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 324.338728] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 324.338759] rcu: INFO: rcu_preempt self-detected stall on CPU [ 324.345584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 324.345607] Workqueue: (null) [ 324.351730] rcu: 1-...!: (118 ticks this GP) idle=416/1/0x4000000000000004 softirq=10239/10242 fqs=1 [ 324.360804] (events) [ 324.360813] Call Trace: [ 324.360818] [ 324.360834] dump_stack+0x1c4/0x2b4 [ 324.360850] ? dump_stack_print_info.cold.2+0x52/0x52 [ 324.360875] warn_alloc.cold.118+0xb7/0x1bd [ 324.360891] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 324.360921] ? lock_downgrade+0x900/0x900 [ 324.360944] ? trace_hardirqs_off+0xb8/0x300 [ 324.360962] ? trace_hardirqs_off+0xb8/0x300 [ 324.360983] __alloc_pages_slowpath+0x2667/0x2d80 [ 324.361042] ? warn_alloc+0x120/0x120 [ 324.365383] rcu: [ 324.374827] ? warn_alloc+0x120/0x120 [ 324.377216] (t=10531 jiffies g=11361 q=8) [ 324.379794] ? print_usage_bug+0xc0/0xc0 [ 324.381930] rcu: rcu_preempt kthread starved for 10456 jiffies! g11361 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 324.385543] ? warn_alloc+0x120/0x120 [ 324.390713] rcu: RCU grace-period kthread stack dump: [ 324.395055] ? print_usage_bug+0xc0/0xc0 [ 324.399878] rcu_preempt R [ 324.404026] ? __lock_acquire+0x7ec/0x4ec0 [ 324.408414] running task [ 324.412824] ? __lock_acquire+0x7ec/0x4ec0 [ 324.417664] 22872 10 2 0x80000000 [ 324.421470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.423595] Call Trace: [ 324.427407] ? should_fail+0x22d/0xd01 [ 324.431657] __schedule+0x86c/0x1ed0 [ 324.435700] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.446189] ? __sched_text_start+0x8/0x8 [ 324.449973] ? __lock_acquire+0x7ec/0x4ec0 [ 324.455162] ? __mod_timer+0x6f6/0x1870 [ 324.459207] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 324.462313] ? add_timer_on+0x9f0/0x9f0 [ 324.466532] ? __lock_acquire+0x7ec/0x4ec0 [ 324.469713] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.473933] ? should_fail+0x22d/0xd01 [ 324.478080] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 324.483607] ? mark_held_locks+0x130/0x130 [ 324.486175] ? lockdep_hardirqs_on+0x421/0x5c0 [ 324.490051] ? mark_held_locks+0x130/0x130 [ 324.493765] ? trace_hardirqs_on+0xbd/0x310 [ 324.498853] ? graph_lock+0x170/0x170 [ 324.502997] ? kasan_check_read+0x11/0x20 [ 324.507216] ? graph_lock+0x170/0x170 [ 324.511178] ? prepare_to_swait_event+0x25a/0x800 [ 324.516266] ? graph_lock+0x170/0x170 [ 324.520228] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.524460] ? print_usage_bug+0xc0/0xc0 [ 324.529567] schedule+0xfe/0x460 [ 324.533449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.538540] ? __schedule+0x1ed0/0x1ed0 [ 324.542789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.547359] ? prepare_to_swait_event+0x25a/0x800 [ 324.551577] ? check_preemption_disabled+0x48/0x200 [ 324.555887] ? __init_swait_queue_head+0x150/0x150 [ 324.559672] ? check_preemption_disabled+0x48/0x200 [ 324.563808] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 324.567601] ? __lock_is_held+0xb5/0x140 [ 324.572424] ? __lockdep_init_map+0x105/0x590 [ 324.576213] __alloc_pages_nodemask+0xa80/0xde0 [ 324.581666] ? lockdep_init_map+0x9/0x10 [ 324.585714] ? graph_lock+0x170/0x170 [ 324.589071] schedule_timeout+0x140/0x260 [ 324.594608] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 324.598570] ? usleep_range+0x1a0/0x1a0 [ 324.604099] ? graph_lock+0x170/0x170 [ 324.608935] ? __next_timer_interrupt+0x1a0/0x1a0 [ 324.613957] ? find_held_lock+0x36/0x1c0 [ 324.618899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.623909] ? ____cache_alloc_node+0x1c7/0x1e0 [ 324.629005] rcu_gp_kthread+0x9d9/0x2310 [ 324.633049] ? lock_downgrade+0x900/0x900 [ 324.637551] ? rcu_gp_init+0x1830/0x1830 [ 324.642190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.646232] ? update_curr+0x344/0xbe0 [ 324.650026] cache_grow_begin+0x91/0x8c0 [ 324.654171] ? graph_lock+0x170/0x170 [ 324.659191] ? do_raw_spin_unlock+0xa7/0x2f0 [ 324.663148] ? __account_cfs_rq_runtime+0x790/0x790 [ 324.666944] fallback_alloc+0x203/0x2e0 [ 324.671783] ? __lock_acquire+0x7ec/0x4ec0 [ 324.675838] ____cache_alloc_node+0x1c7/0x1e0 [ 324.681361] ? graph_lock+0x170/0x170 [ 324.686025] kmem_cache_alloc_node+0xe3/0x730 [ 324.690085] ? mark_held_locks+0x130/0x130 [ 324.694230] ? ipv6_get_ifaddr+0x42e/0x620 [ 324.698277] ? __lock_is_held+0xb5/0x140 [ 324.703801] __alloc_skb+0x119/0x770 [ 324.707683] ? __account_cfs_rq_runtime+0x790/0x790 [ 324.711730] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.715530] ? set_next_entity+0x30c/0xc40 [ 324.719914] ? skb_scrub_packet+0x490/0x490 [ 324.724921] ? mark_held_locks+0x130/0x130 [ 324.728880] ? lock_downgrade+0x900/0x900 [ 324.733101] ? rcu_read_lock_sched_held+0x108/0x120 [ 324.737589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.741375] ? select_task_rq_fair+0x34f0/0x34f0 [ 324.745854] ? refcount_sub_and_test_checked+0x203/0x310 [ 324.750075] ? __enqueue_entity+0x10d/0x1f0 [ 324.754300] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 324.758352] ? graph_lock+0x170/0x170 [ 324.762049] ? addrconf_rs_timer+0x6f0/0x6f0 [ 324.767052] ? lock_repin_lock+0x250/0x430 [ 324.772326] ndisc_alloc_skb+0x144/0x340 [ 324.776541] ? graph_lock+0x170/0x170 [ 324.780853] ndisc_send_rs+0x331/0x6e0 [ 324.785075] ? put_prev_task_stop+0x300/0xa10 [ 324.789221] addrconf_rs_timer+0x3c0/0x6f0 [ 324.794229] ? lock_repin_lock+0x250/0x430 [ 324.799749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.804495] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.809941] call_timer_fn+0x272/0x920 [ 324.814333] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.819769] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.823555] ? lockdep_hardirqs_on+0x421/0x5c0 [ 324.827952] ? process_timeout+0x40/0x40 [ 324.832171] ? trace_hardirqs_on+0xbd/0x310 [ 324.836218] ? find_held_lock+0x36/0x1c0 [ 324.840021] ? kasan_check_read+0x11/0x20 [ 324.843899] ? __run_timers+0x7da/0xc70 [ 324.848384] ? mark_held_locks+0x130/0x130 [ 324.852602] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.856822] ? audit_add_watch+0xae1/0xdc0 [ 324.861044] ? _raw_spin_unlock_irq+0x27/0x80 [ 324.865531] ? kasan_check_write+0x14/0x20 [ 324.869409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.873908] ? finish_task_switch+0x2f5/0x900 [ 324.878129] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 324.882698] ? __switch_to_asm+0x40/0x70 [ 324.886744] ? trace_hardirqs_on+0xbd/0x310 [ 324.891055] ? preempt_notifier_register+0x200/0x200 [ 324.895101] ? kasan_check_read+0x11/0x20 [ 324.895119] ? __run_timers+0x7da/0xc70 [ 324.899255] ? __switch_to_asm+0x34/0x70 [ 324.899272] ? __switch_to_asm+0x34/0x70 [ 324.903242] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 324.907461] ? __switch_to_asm+0x40/0x70 [ 324.911955] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.916175] ? __switch_to_asm+0x40/0x70 [ 324.920661] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 324.924880] ? __switch_to_asm+0x34/0x70 [ 324.929108] __run_timers+0x7e5/0xc70 [ 324.933587] ? __switch_to_asm+0x40/0x70 [ 324.938165] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 324.942212] ? __switch_to_asm+0x34/0x70 [ 324.946541] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 324.951626] ? __switch_to_asm+0x34/0x70 [ 324.955763] ? graph_lock+0x170/0x170 [ 324.959725] ? __switch_to_asm+0x40/0x70 [ 324.963785] ? enqueue_hrtimer+0x1a5/0x560 [ 324.967836] ? __switch_to_asm+0x40/0x70 [ 324.973276] ? lock_release+0x970/0x970 [ 324.977324] ? __switch_to_asm+0x34/0x70 [ 324.981542] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 324.985586] ? __switch_to_asm+0x40/0x70 [ 324.989820] ? find_held_lock+0x36/0x1c0 [ 324.993865] ? __schedule+0x874/0x1ed0 [ 324.997655] ? pvclock_read_flags+0x160/0x160 [ 325.001710] ? __switch_to_asm+0x40/0x70 [ 325.007061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.011120] ? __switch_to_asm+0x40/0x70 [ 325.016122] ? check_preemption_disabled+0x48/0x200 [ 325.020172] ? graph_lock+0x170/0x170 [ 325.023969] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 325.028035] ? __sched_text_start+0x8/0x8 [ 325.032258] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 325.036308] ? find_held_lock+0x36/0x1c0 [ 325.040268] ? rcu_pm_notify+0xc0/0xc0 [ 325.044323] ? __kthread_parkme+0xce/0x1a0 [ 325.049494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.053548] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 325.057596] ? check_preemption_disabled+0x48/0x200 [ 325.061473] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 325.065957] run_timer_softirq+0x52/0xb0 [ 325.070020] ? lockdep_hardirqs_on+0x421/0x5c0 [ 325.075548] ? rcu_read_lock_sched_held+0x108/0x120 [ 325.079596] ? trace_hardirqs_on+0xbd/0x310 [ 325.084602] __do_softirq+0x30b/0xad8 [ 325.088388] ? kasan_check_read+0x11/0x20 [ 325.093918] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 325.098053] ? __kthread_parkme+0xce/0x1a0 [ 325.103316] ? pvclock_read_flags+0x160/0x160 [ 325.107365] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 325.111240] ? lapic_next_event+0x5a/0x90 [ 325.115479] ? kasan_check_write+0x14/0x20 [ 325.121009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.121026] ? check_preemption_disabled+0x48/0x200 [ 325.126132] ? do_raw_spin_lock+0xc1/0x200 [ 325.131145] ? check_preemption_disabled+0x48/0x200 [ 325.136240] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 325.140288] ? kvm_clock_read+0x18/0x30 [ 325.144855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.149855] ? kvm_sched_clock_read+0x9/0x20 [ 325.154162] ? __kthread_parkme+0xfb/0x1a0 [ 325.157949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.162095] kthread+0x35a/0x420 [ 325.167199] ? check_preemption_disabled+0x48/0x200 [ 325.171425] ? rcu_gp_init+0x1830/0x1830 [ 325.175911] irq_exit+0x17f/0x1c0 [ 325.181341] ? kthread_bind+0x40/0x40 [ 325.185478] smp_apic_timer_interrupt+0x1cb/0x760 [ 325.189720] ret_from_fork+0x3a/0x50 [ 325.195247] ? smp_call_function_single_interrupt+0x650/0x650 [ 325.200263] NMI backtrace for cpu 1 [ 325.204474] ? interrupt_entry+0xb5/0xf0 [ 325.279888] ? trace_hardirqs_off_caller+0xbb/0x300 [ 325.284907] ? trace_hardirqs_off_caller+0xbb/0x300 [ 325.289921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.294760] ? trace_hardirqs_off+0x300/0x300 [ 325.299254] ? trace_hardirqs_off+0x300/0x300 [ 325.303754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.309293] ? check_preemption_disabled+0x48/0x200 [ 325.314311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.319860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.324743] apic_timer_interrupt+0xf/0x20 [ 325.328968] [ 325.331214] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 325.336322] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 325.355223] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 325.362935] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 325.370202] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 325.377474] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 325.384740] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 325.392013] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 325.399306] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.403807] finish_task_switch+0x1f5/0x900 [ 325.408131] ? finish_task_switch+0x1b5/0x900 [ 325.412630] ? __switch_to_asm+0x34/0x70 [ 325.416711] ? preempt_notifier_register+0x200/0x200 [ 325.421815] ? __switch_to_asm+0x34/0x70 [ 325.425879] ? __switch_to_asm+0x34/0x70 [ 325.429946] ? __switch_to_asm+0x40/0x70 [ 325.434006] ? __switch_to_asm+0x34/0x70 [ 325.438107] ? __switch_to_asm+0x40/0x70 [ 325.442170] ? __switch_to_asm+0x34/0x70 [ 325.446234] ? __switch_to_asm+0x40/0x70 [ 325.450293] ? __switch_to_asm+0x34/0x70 [ 325.454352] ? __switch_to_asm+0x40/0x70 [ 325.458415] ? __switch_to_asm+0x34/0x70 [ 325.462475] ? __switch_to_asm+0x40/0x70 [ 325.466561] ? __switch_to_asm+0x34/0x70 [ 325.470622] ? __switch_to_asm+0x40/0x70 [ 325.474681] ? __switch_to_asm+0x34/0x70 [ 325.478740] ? __switch_to_asm+0x40/0x70 [ 325.482813] __schedule+0x874/0x1ed0 [ 325.486530] ? lockdep_hardirqs_on+0x421/0x5c0 [ 325.491124] ? __sched_text_start+0x8/0x8 [ 325.495280] ? graph_lock+0x170/0x170 [ 325.499085] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 325.503850] ? lockdep_hardirqs_on+0x421/0x5c0 [ 325.508432] ? retint_kernel+0x2d/0x2d [ 325.512325] ? find_held_lock+0x36/0x1c0 [ 325.516399] schedule+0xfe/0x460 [ 325.519771] ? __schedule+0x1ed0/0x1ed0 [ 325.523752] ? lockdep_hardirqs_on+0x421/0x5c0 [ 325.528342] ? trace_hardirqs_on+0xbd/0x310 [ 325.532660] ? kasan_check_read+0x11/0x20 [ 325.536808] ? worker_thread+0x3ca/0x1390 [ 325.540961] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 325.546419] ? kasan_check_write+0x14/0x20 [ 325.550660] ? do_raw_spin_lock+0xc1/0x200 [ 325.554924] worker_thread+0x3cf/0x1390 [ 325.558898] ? __switch_to_asm+0x34/0x70 [ 325.562972] ? process_one_work+0x1b90/0x1b90 [ 325.567479] ? graph_lock+0x170/0x170 [ 325.571292] ? __sched_text_start+0x8/0x8 [ 325.575452] ? find_held_lock+0x36/0x1c0 [ 325.579526] ? __kthread_parkme+0xce/0x1a0 [ 325.583768] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 325.588883] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 325.593991] ? lockdep_hardirqs_on+0x421/0x5c0 [ 325.598633] ? trace_hardirqs_on+0xbd/0x310 [ 325.602955] ? kasan_check_read+0x11/0x20 [ 325.607104] ? __kthread_parkme+0xce/0x1a0 [ 325.611344] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 325.616795] ? kasan_check_write+0x14/0x20 [ 325.621062] ? do_raw_spin_lock+0xc1/0x200 [ 325.625317] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 325.630424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.635961] ? __kthread_parkme+0xfb/0x1a0 [ 325.640203] kthread+0x35a/0x420 [ 325.643570] ? process_one_work+0x1b90/0x1b90 [ 325.648065] ? kthread_bind+0x40/0x40 [ 325.651867] ret_from_fork+0x3a/0x50 [ 325.655621] warn_alloc_show_mem: 1 callbacks suppressed [ 325.655633] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 325.655635] Mem-Info: [ 325.655667] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 325.655667] active_file:13 inactive_file:18 isolated_file:0 [ 325.655667] unevictable:0 dirty:0 writeback:0 unstable:0 [ 325.655667] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 325.655667] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 325.655667] free:13747 free_pcp:307 free_cma:0 [ 325.661007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 325.661017] Call Trace: [ 325.668214] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 325.670613] [ 325.703516] Node 0 [ 325.712879] dump_stack+0x1c4/0x2b4 [ 325.715482] 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 [ 325.743131] ? dump_stack_print_info.cold.2+0x52/0x52 [ 325.745257] lowmem_reserve[]: [ 325.747499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.751100] 0 [ 325.776601] ? trace_hardirqs_off+0xb8/0x300 [ 325.781769] 2815 [ 325.784877] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 325.790391] 6318 [ 325.792196] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 325.796580] 6318 [ 325.798643] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 325.803288] Node 0 [ 325.805366] arch_trigger_cpumask_backtrace+0x14/0x20 [ 325.810587] DMA32 free:25280kB 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 [ 325.812625] rcu_dump_cpu_stacks+0x175/0x1c2 [ 325.817873] lowmem_reserve[]: [ 325.820108] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 325.825271] 0 0 [ 325.852258] print_cpu_stall.cold.78+0x2d3/0x524 [ 325.856637] 3503 3503 [ 325.859751] ? rcu_dynticks_snap+0x30/0x30 [ 325.866735] ? check_preemption_disabled+0x48/0x200 [ 325.871467] Node 0 [ 325.873964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.878204] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 325.883193] ? check_preemption_disabled+0x48/0x200 [ 325.885409] lowmem_reserve[]: [ 325.890955] ? check_preemption_disabled+0x48/0x200 [ 325.919296] 0 0 [ 325.924324] ? rcu_test_sync_prims+0x30/0x30 [ 325.927398] 0 0 [ 325.932422] ? __lock_is_held+0xb5/0x140 [ 325.934377] Node 0 [ 325.938781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.940729] DMA: 1*4kB [ 325.944795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.947026] (U) [ 325.952558] ? check_preemption_disabled+0x48/0x200 [ 325.955124] 0*8kB [ 325.960660] rcu_check_callbacks+0xfd9/0x1990 [ 325.962616] 0*16kB [ 325.967639] ? rcu_cpu_stall_reset+0x220/0x220 [ 325.969763] 1*32kB [ 325.974255] ? lock_release+0x970/0x970 [ 325.976470] (U) [ 325.981077] ? graph_lock+0x170/0x170 [ 325.983279] 2*64kB [ 325.987251] ? graph_lock+0x170/0x170 [ 325.989209] (U) [ 325.993022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.995236] 1*128kB [ 325.999059] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 326.001020] (U) [ 326.006561] ? kvm_vcpu_ready_for_interrupt_injection+0x1a0/0x1a0 [ 326.008862] 1*256kB [ 326.013446] ? graph_lock+0x170/0x170 [ 326.015389] (U) [ 326.021617] ? timekeeping_advance+0x3cc/0xc00 [ 326.023921] 0*512kB [ 326.027940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.029899] 1*1024kB [ 326.034493] ? check_preemption_disabled+0x48/0x200 [ 326.036795] (U) [ 326.042328] ? check_preemption_disabled+0x48/0x200 [ 326.044718] 1*2048kB [ 326.049732] ? trace_hardirqs_off+0xb8/0x300 [ 326.051686] (M) [ 326.056697] ? __lock_is_held+0xb5/0x140 [ 326.059083] 3*4096kB [ 326.063499] ? trace_hardirqs_on+0x310/0x310 [ 326.065482] (M) [ 326.069548] ? check_preemption_disabled+0x48/0x200 [ 326.071944] = 15908kB [ 326.071953] Node 0 [ 326.076374] ? raise_softirq+0x199/0x420 [ 326.078339] DMA32: [ 326.083349] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 326.085739] 4*4kB [ 326.087970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.092007] (UM) [ 326.094238] ? check_preemption_disabled+0x48/0x200 [ 326.098888] 2*8kB [ 326.101035] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 326.106547] (M) [ 326.108607] ? hrtimer_run_queues+0x9a/0x400 [ 326.113604] 2*16kB [ 326.115749] ? run_local_timers+0x19b/0x230 [ 326.121267] (UM) [ 326.123237] ? timer_clear_idle+0x90/0x90 [ 326.127636] 2*32kB [ 326.129869] ? debug_smp_processor_id+0x1c/0x20 [ 326.134222] (UM) 3*64kB (UM) 3*128kB (M) 2*256kB (M) 3*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25280kB [ 326.134265] Node 0 Normal: 876*4kB (UME) 393*8kB (UMEH) 183*16kB (UMEH) 70*32kB (UMEH) 13*64kB (UMH) 3*128kB (UH) 3*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13800kB [ 326.134326] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 326.134333] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 326.134336] 410 total pagecache pages [ 326.134345] 0 pages in swap cache [ 326.134350] Swap cache stats: add 0, delete 0, find 0/0 [ 326.134353] Free swap = 0kB [ 326.134356] Total swap = 0kB [ 326.134359] 1965979 pages RAM [ 326.134362] 0 pages HighMem/MovableOnly [ 326.134365] 343323 pages reserved [ 326.134368] 0 pages cma reserved [ 326.134428] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 326.134474] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 326.134478] kworker/0:1 cpuset=/ mems_allowed=0 [ 326.244723] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 326.250708] ? account_process_tick+0x282/0x350 [ 326.255384] update_process_times+0x2d/0x70 [ 326.259710] tick_sched_handle+0x9f/0x180 [ 326.263868] tick_sched_timer+0x45/0x130 [ 326.267949] __hrtimer_run_queues+0x41c/0x10d0 [ 326.272543] ? tick_sched_do_timer+0x1a0/0x1a0 [ 326.277128] ? hrtimer_start_range_ns+0xe00/0xe00 [ 326.281998] ? pvclock_read_flags+0x160/0x160 [ 326.286499] ? trace_hardirqs_on+0x310/0x310 [ 326.290932] ? graph_lock+0x170/0x170 [ 326.294743] ? kvm_clock_read+0x18/0x30 [ 326.298719] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 326.303737] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 326.309110] ? do_timer+0x50/0x50 [ 326.312568] ? trace_hardirqs_on+0x310/0x310 [ 326.316996] ? do_raw_spin_lock+0xc1/0x200 [ 326.321245] hrtimer_interrupt+0x313/0x780 [ 326.325510] smp_apic_timer_interrupt+0x1a1/0x760 [ 326.330359] ? smp_call_function_single_interrupt+0x650/0x650 [ 326.336246] ? interrupt_entry+0xb5/0xf0 [ 326.340313] ? trace_hardirqs_off_caller+0xbb/0x300 [ 326.345329] ? ____cache_alloc_node+0x1c7/0x1e0 [ 326.350010] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.354874] ? trace_hardirqs_off+0x300/0x300 [ 326.359397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.364263] apic_timer_interrupt+0xf/0x20 [ 326.368527] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 326.373894] Code: 40 7e 0f 85 32 ff ff ff e8 95 db 3e ff e9 28 ff ff ff e8 ac 38 c3 ff 48 83 3d 4c 87 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 92 73 [ 326.392797] RSP: 0000:ffff8801dad07450 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 326.400511] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100384c9db9 [ 326.407779] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 326.415045] RBP: ffff8801dad074c0 R08: ffff8801c264edc8 R09: 0000000000000002 [ 326.422310] R10: 0000000000000000 R11: ffff8801c264e500 R12: ffff8801d9be7680 [ 326.429574] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282 [ 326.436847] ? apic_timer_interrupt+0xa/0x20 [ 326.441284] ? ipv6_get_ifaddr+0x42e/0x620 [ 326.445571] __alloc_skb+0x119/0x770 [ 326.449286] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 326.454567] ? skb_scrub_packet+0x490/0x490 [ 326.458892] ? lock_downgrade+0x900/0x900 [ 326.463053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.468596] ? refcount_sub_and_test_checked+0x203/0x310 [ 326.474060] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 326.479518] ? addrconf_rs_timer+0x6f0/0x6f0 [ 326.483942] ndisc_alloc_skb+0x144/0x340 [ 326.488015] ndisc_send_rs+0x331/0x6e0 [ 326.491912] addrconf_rs_timer+0x3c0/0x6f0 [ 326.496154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.500404] call_timer_fn+0x272/0x920 [ 326.504294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.508538] ? process_timeout+0x40/0x40 [ 326.512604] ? find_held_lock+0x36/0x1c0 [ 326.516677] ? __run_timers+0x7da/0xc70 [ 326.520658] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.525156] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.529662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.533909] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 326.538498] ? trace_hardirqs_on+0xbd/0x310 [ 326.542829] ? kasan_check_read+0x11/0x20 [ 326.546979] ? __run_timers+0x7da/0xc70 [ 326.550965] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 326.556439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.560680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.564915] __run_timers+0x7e5/0xc70 [ 326.568733] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 326.574104] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 326.579122] ? graph_lock+0x170/0x170 [ 326.582923] ? enqueue_hrtimer+0x1a5/0x560 [ 326.587156] ? lock_release+0x970/0x970 [ 326.591134] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 326.596344] ? find_held_lock+0x36/0x1c0 [ 326.600414] ? graph_lock+0x170/0x170 [ 326.604221] ? pvclock_read_flags+0x160/0x160 [ 326.608719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.614291] ? check_preemption_disabled+0x48/0x200 [ 326.619329] ? __lock_is_held+0xb5/0x140 [ 326.623420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.628968] ? check_preemption_disabled+0x48/0x200 [ 326.634032] run_timer_softirq+0x52/0xb0 [ 326.638094] ? rcu_read_lock_sched_held+0x108/0x120 [ 326.643117] __do_softirq+0x30b/0xad8 [ 326.646944] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 326.652063] ? pvclock_read_flags+0x160/0x160 [ 326.656562] ? lapic_next_event+0x5a/0x90 [ 326.660713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.666253] ? check_preemption_disabled+0x48/0x200 [ 326.671268] ? check_preemption_disabled+0x48/0x200 [ 326.676295] ? kvm_clock_read+0x18/0x30 [ 326.680274] ? kvm_sched_clock_read+0x9/0x20 [ 326.684702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.690254] ? check_preemption_disabled+0x48/0x200 [ 326.695290] irq_exit+0x17f/0x1c0 [ 326.698754] smp_apic_timer_interrupt+0x1cb/0x760 [ 326.703626] ? smp_reschedule_interrupt+0x109/0x650 [ 326.708669] ? smp_call_function_single_interrupt+0x650/0x650 [ 326.714572] ? interrupt_entry+0xb5/0xf0 [ 326.718650] ? trace_hardirqs_off_caller+0xbb/0x300 [ 326.723665] ? trace_hardirqs_off_caller+0xbb/0x300 [ 326.728688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.733542] ? trace_hardirqs_off+0x300/0x300 [ 326.738042] ? trace_hardirqs_off+0x300/0x300 [ 326.742548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.748086] ? check_preemption_disabled+0x48/0x200 [ 326.753114] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.757971] apic_timer_interrupt+0xf/0x20 [ 326.762212] [ 326.764466] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 326.769414] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 326.788313] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 326.796038] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 326.803306] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 326.810664] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 326.817929] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 326.825197] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 326.832518] skb_clone+0x1bb/0x500 [ 326.836066] ? skb_split+0x11e0/0x11e0 [ 326.839970] ? preempt_notifier_register+0x200/0x200 [ 326.845082] ? __switch_to_asm+0x34/0x70 [ 326.849146] ? __switch_to_asm+0x34/0x70 [ 326.853209] ? __switch_to_asm+0x40/0x70 [ 326.857275] ? __switch_to_asm+0x34/0x70 [ 326.861340] ? __switch_to_asm+0x40/0x70 [ 326.865403] ? __switch_to_asm+0x40/0x70 [ 326.869467] ? __switch_to_asm+0x34/0x70 [ 326.873531] ? __switch_to_asm+0x34/0x70 [ 326.877590] ? __switch_to_asm+0x40/0x70 [ 326.881648] ? __switch_to_asm+0x34/0x70 [ 326.885717] bpf_clone_redirect+0xb9/0x490 [ 326.889962] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 326.895003] ? __sched_text_start+0x8/0x8 [ 326.899161] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 326.903956] ? find_held_lock+0x36/0x1c0 [ 326.908031] ? lock_acquire+0x1ed/0x520 [ 326.912097] ? bpf_test_run+0x32e/0x5a0 [ 326.916080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.921615] ? check_preemption_disabled+0x48/0x200 [ 326.926639] ? kasan_check_read+0x11/0x20 [ 326.930792] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 326.936077] ? rcu_bh_qs+0xc0/0xc0 [ 326.939622] ? preempt_schedule+0x4d/0x60 [ 326.943769] ? ___preempt_schedule+0x16/0x18 [ 326.948188] ? bpf_test_run+0x1c0/0x5a0 [ 326.952174] ? netlink_diag_dump+0x2a0/0x2a0 [ 326.956593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.962131] ? bpf_test_init.isra.9+0x70/0x100 [ 326.966723] ? bpf_prog_test_run_skb+0x634/0xb40 [ 326.971488] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 326.976352] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 326.981887] ? fput+0x130/0x1a0 [ 326.985173] ? __bpf_prog_get+0x9b/0x290 [ 326.989238] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 326.994084] ? bpf_prog_test_run+0x130/0x1a0 [ 326.998519] ? __x64_sys_bpf+0x3d8/0x510 [ 327.002617] ? bpf_prog_get+0x20/0x20 [ 327.006427] ? ksys_ioctl+0x81/0xd0 [ 327.010083] ? do_syscall_64+0x1b9/0x820 [ 327.014152] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 327.019538] ? syscall_return_slowpath+0x5e0/0x5e0 [ 327.024470] ? trace_hardirqs_off+0x300/0x300 [ 327.029010] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 327.034029] ? recalc_sigpending_tsk+0x180/0x180 [ 327.038787] ? kasan_check_write+0x14/0x20 [ 327.043044] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.047904] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 327.053288] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 327.053670] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 327.060148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 327.060171] Workqueue: (null) (events) [ 327.066726] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 327.076022] Call Trace: [ 327.080855] syz-executor1 cpuset= [ 327.091331] [ 327.093901] syz1 [ 327.097378] dump_stack+0x1c4/0x2b4 [ 327.099535] mems_allowed=0 [ 327.101523] ? dump_stack_print_info.cold.2+0x52/0x52 [ 327.113272] warn_alloc.cold.118+0xb7/0x1bd [ 327.117599] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 327.122447] ? lock_downgrade+0x900/0x900 [ 327.126605] ? trace_hardirqs_off+0xb8/0x300 [ 327.131029] ? trace_hardirqs_off+0xb8/0x300 [ 327.135453] __alloc_pages_slowpath+0x2667/0x2d80 [ 327.140331] ? warn_alloc+0x120/0x120 [ 327.144157] ? warn_alloc+0x120/0x120 [ 327.147974] ? print_usage_bug+0xc0/0xc0 [ 327.152041] ? warn_alloc+0x120/0x120 [ 327.155849] ? lock_release+0x970/0x970 [ 327.159835] ? print_usage_bug+0xc0/0xc0 [ 327.163906] ? __lock_acquire+0x7ec/0x4ec0 [ 327.168142] ? __lock_acquire+0x7ec/0x4ec0 [ 327.172385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.177928] ? should_fail+0x22d/0xd01 [ 327.181825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.186930] ? __lock_acquire+0x7ec/0x4ec0 [ 327.191175] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.196282] ? __lock_acquire+0x7ec/0x4ec0 [ 327.200514] ? should_fail+0x22d/0xd01 [ 327.204415] ? mark_held_locks+0x130/0x130 [ 327.208659] ? mark_held_locks+0x130/0x130 [ 327.212900] ? kvm_clock_read+0x18/0x30 [ 327.216876] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 327.221910] ? ktime_get+0x2e1/0x440 [ 327.225639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.231186] ? graph_lock+0x170/0x170 [ 327.234989] ? print_usage_bug+0xc0/0xc0 [ 327.239063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.244603] ? check_preemption_disabled+0x48/0x200 [ 327.249616] ? check_preemption_disabled+0x48/0x200 [ 327.254644] ? __lock_is_held+0xb5/0x140 [ 327.258713] __alloc_pages_nodemask+0xa80/0xde0 [ 327.263382] ? graph_lock+0x170/0x170 [ 327.267188] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 327.272203] ? graph_lock+0x170/0x170 [ 327.276026] ? find_held_lock+0x36/0x1c0 [ 327.280103] ? ____cache_alloc_node+0x1c7/0x1e0 [ 327.284801] ? lock_downgrade+0x900/0x900 [ 327.288960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.294509] cache_grow_begin+0x91/0x8c0 [ 327.298576] ? do_raw_spin_unlock+0xa7/0x2f0 [ 327.302995] fallback_alloc+0x203/0x2e0 [ 327.306982] ____cache_alloc_node+0x1c7/0x1e0 [ 327.311493] kmem_cache_alloc_node+0xe3/0x730 [ 327.315989] ? ipv6_get_ifaddr+0x42e/0x620 [ 327.320246] __alloc_skb+0x119/0x770 [ 327.323965] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 327.329244] ? skb_scrub_packet+0x490/0x490 [ 327.333566] ? lock_downgrade+0x900/0x900 [ 327.337725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.343263] ? refcount_sub_and_test_checked+0x203/0x310 [ 327.348723] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 327.354176] ? addrconf_rs_timer+0x6f0/0x6f0 [ 327.358605] ndisc_alloc_skb+0x144/0x340 [ 327.362670] ndisc_send_rs+0x331/0x6e0 [ 327.366592] addrconf_rs_timer+0x3c0/0x6f0 [ 327.370834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.375098] call_timer_fn+0x272/0x920 [ 327.378990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.383231] ? process_timeout+0x40/0x40 [ 327.387294] ? find_held_lock+0x36/0x1c0 [ 327.391366] ? __run_timers+0x7da/0xc70 [ 327.395348] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.399846] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.404343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.408578] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 327.413164] ? trace_hardirqs_on+0xbd/0x310 [ 327.417486] ? kasan_check_read+0x11/0x20 [ 327.421635] ? __run_timers+0x7da/0xc70 [ 327.425612] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 327.431077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.435328] __run_timers+0x7e5/0xc70 [ 327.439171] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 327.444536] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 327.449557] ? graph_lock+0x170/0x170 [ 327.453362] ? enqueue_hrtimer+0x1a5/0x560 [ 327.457598] ? lock_release+0x970/0x970 [ 327.461572] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 327.466774] ? find_held_lock+0x36/0x1c0 [ 327.470855] ? pvclock_read_flags+0x160/0x160 [ 327.475352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.480889] ? check_preemption_disabled+0x48/0x200 [ 327.485929] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 327.491469] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 327.496765] ? rcu_pm_notify+0xc0/0xc0 [ 327.500682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.506219] ? check_preemption_disabled+0x48/0x200 [ 327.511248] run_timer_softirq+0x52/0xb0 [ 327.515316] ? rcu_read_lock_sched_held+0x108/0x120 [ 327.520335] __do_softirq+0x30b/0xad8 [ 327.524148] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 327.529258] ? pvclock_read_flags+0x160/0x160 [ 327.533757] ? lapic_next_event+0x5a/0x90 [ 327.537907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.543444] ? check_preemption_disabled+0x48/0x200 [ 327.548457] ? check_preemption_disabled+0x48/0x200 [ 327.553480] ? kvm_clock_read+0x18/0x30 [ 327.557456] ? kvm_sched_clock_read+0x9/0x20 [ 327.561871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.567411] ? check_preemption_disabled+0x48/0x200 [ 327.572467] irq_exit+0x17f/0x1c0 [ 327.575933] smp_apic_timer_interrupt+0x1cb/0x760 [ 327.580780] ? smp_call_function_single_interrupt+0x650/0x650 [ 327.586678] ? interrupt_entry+0xb5/0xf0 [ 327.590743] ? trace_hardirqs_off_caller+0xbb/0x300 [ 327.595784] ? trace_hardirqs_off_caller+0xbb/0x300 [ 327.600814] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.605683] ? trace_hardirqs_off+0x300/0x300 [ 327.610176] ? trace_hardirqs_off+0x300/0x300 [ 327.614672] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.620210] ? check_preemption_disabled+0x48/0x200 [ 327.625230] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.630785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.635636] apic_timer_interrupt+0xf/0x20 [ 327.639866] [ 327.642119] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 327.647226] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 327.666122] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 327.673836] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 327.681113] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 327.688380] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 327.695663] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 327.702932] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 327.710240] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.714741] finish_task_switch+0x1f5/0x900 [ 327.719062] ? finish_task_switch+0x1b5/0x900 [ 327.723584] ? __switch_to_asm+0x34/0x70 [ 327.727653] ? preempt_notifier_register+0x200/0x200 [ 327.732768] ? __switch_to_asm+0x34/0x70 [ 327.736828] ? __switch_to_asm+0x34/0x70 [ 327.740889] ? __switch_to_asm+0x40/0x70 [ 327.744952] ? __switch_to_asm+0x34/0x70 [ 327.749022] ? __switch_to_asm+0x40/0x70 [ 327.753081] ? __switch_to_asm+0x34/0x70 [ 327.757144] ? __switch_to_asm+0x40/0x70 [ 327.761208] ? __switch_to_asm+0x34/0x70 [ 327.765266] ? __switch_to_asm+0x40/0x70 [ 327.769325] ? __switch_to_asm+0x34/0x70 [ 327.773383] ? __switch_to_asm+0x40/0x70 [ 327.777454] ? __switch_to_asm+0x34/0x70 [ 327.781549] ? __switch_to_asm+0x40/0x70 [ 327.785612] ? __switch_to_asm+0x34/0x70 [ 327.789676] ? __switch_to_asm+0x40/0x70 [ 327.793746] __schedule+0x874/0x1ed0 [ 327.797465] ? lockdep_hardirqs_on+0x421/0x5c0 [ 327.802058] ? __sched_text_start+0x8/0x8 [ 327.806213] ? graph_lock+0x170/0x170 [ 327.810025] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 327.814794] ? lockdep_hardirqs_on+0x421/0x5c0 [ 327.819377] ? retint_kernel+0x2d/0x2d [ 327.823271] ? find_held_lock+0x36/0x1c0 [ 327.827344] schedule+0xfe/0x460 [ 327.830720] ? __schedule+0x1ed0/0x1ed0 [ 327.834709] ? lockdep_hardirqs_on+0x421/0x5c0 [ 327.839294] ? trace_hardirqs_on+0xbd/0x310 [ 327.843636] ? kasan_check_read+0x11/0x20 [ 327.847778] ? worker_thread+0x3ca/0x1390 [ 327.851923] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 327.857375] ? kasan_check_write+0x14/0x20 [ 327.861626] ? do_raw_spin_lock+0xc1/0x200 [ 327.865865] worker_thread+0x3cf/0x1390 [ 327.869840] ? __switch_to_asm+0x34/0x70 [ 327.873916] ? process_one_work+0x1b90/0x1b90 [ 327.878417] ? graph_lock+0x170/0x170 [ 327.882228] ? __sched_text_start+0x8/0x8 [ 327.886391] ? find_held_lock+0x36/0x1c0 [ 327.890467] ? __kthread_parkme+0xce/0x1a0 [ 327.894711] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 327.899819] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 327.904933] ? lockdep_hardirqs_on+0x421/0x5c0 [ 327.909518] ? trace_hardirqs_on+0xbd/0x310 [ 327.913838] ? kasan_check_read+0x11/0x20 [ 327.917999] ? __kthread_parkme+0xce/0x1a0 [ 327.922246] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 327.927698] ? kasan_check_write+0x14/0x20 [ 327.931935] ? do_raw_spin_lock+0xc1/0x200 [ 327.936176] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 327.941281] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.946818] ? __kthread_parkme+0xfb/0x1a0 [ 327.951059] kthread+0x35a/0x420 [ 327.954457] ? process_one_work+0x1b90/0x1b90 [ 327.958953] ? kthread_bind+0x40/0x40 [ 327.962757] ret_from_fork+0x3a/0x50 [ 327.966500] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 327.966509] Mem-Info: [ 327.966540] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 327.966540] active_file:13 inactive_file:18 isolated_file:0 [ 327.966540] unevictable:0 dirty:0 writeback:0 unstable:0 [ 327.966540] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 327.966540] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 327.966540] free:13747 free_pcp:307 free_cma:0 [ 327.973701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 327.976142] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 328.008996] Call Trace: [ 328.018339] Node 0 [ 328.046162] [ 328.048763] 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 [ 328.050973] dump_stack+0x1c4/0x2b4 [ 328.053120] lowmem_reserve[]: [ 328.078623] ? dump_stack_print_info.cold.2+0x52/0x52 [ 328.082229] 0 [ 328.085337] warn_alloc.cold.118+0xb7/0x1bd [ 328.090489] 2815 6318 [ 328.092311] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 328.096611] 6318 [ 328.099107] ? lock_downgrade+0x900/0x900 [ 328.106009] ? trace_hardirqs_off+0xb8/0x300 [ 328.110137] Node 0 DMA32 free:25280kB 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 [ 328.114571] ? trace_hardirqs_off+0xb8/0x300 [ 328.114595] __alloc_pages_slowpath+0x2667/0x2d80 [ 328.142358] lowmem_reserve[]: 0 [ 328.146804] ? warn_alloc+0x120/0x120 [ 328.151597] 0 [ 328.154872] ? warn_alloc+0x120/0x120 [ 328.158647] 3503 [ 328.160445] ? print_usage_bug+0xc0/0xc0 [ 328.164215] 3503 [ 328.166321] ? warn_alloc+0x120/0x120 [ 328.170359] Node 0 [ 328.172422] ? print_usage_bug+0xc0/0xc0 [ 328.176229] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 328.178437] ? __lock_acquire+0x7ec/0x4ec0 [ 328.182470] lowmem_reserve[]: 0 [ 328.210844] ? __lock_acquire+0x7ec/0x4ec0 [ 328.215065] 0 0 [ 328.218366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.222573] 0 [ 328.224553] ? should_fail+0x22d/0xd01 [ 328.230068] Node 0 [ 328.231869] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.235729] DMA: 1*4kB [ 328.237973] ? __lock_acquire+0x7ec/0x4ec0 [ 328.243054] (U) [ 328.245639] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.249850] 0*8kB [ 328.251840] ? __lock_acquire+0x7ec/0x4ec0 [ 328.256920] 0*16kB [ 328.259070] ? should_fail+0x22d/0xd01 [ 328.263289] 1*32kB [ 328.265528] ? mark_held_locks+0x130/0x130 [ 328.269379] (U) [ 328.271613] ? mark_held_locks+0x130/0x130 [ 328.275838] 2*64kB [ 328.277810] ? graph_lock+0x170/0x170 [ 328.282036] (U) [ 328.284268] ? graph_lock+0x170/0x170 [ 328.288050] 1*128kB [ 328.290036] ? graph_lock+0x170/0x170 [ 328.293829] (U) [ 328.296152] ? print_usage_bug+0xc0/0xc0 [ 328.299932] 1*256kB [ 328.301901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.305938] (U) [ 328.308269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.313781] 0*512kB [ 328.315750] ? check_preemption_disabled+0x48/0x200 [ 328.321268] 1*1024kB [ 328.323583] ? check_preemption_disabled+0x48/0x200 [ 328.328574] (U) [ 328.330999] ? __lock_is_held+0xb5/0x140 [ 328.335986] 1*2048kB [ 328.337971] __alloc_pages_nodemask+0xa80/0xde0 [ 328.342009] (M) [ 328.344416] ? graph_lock+0x170/0x170 [ 328.349058] 3*4096kB (M) [ 328.351061] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 328.354827] = 15908kB [ 328.354837] Node 0 [ 328.357587] ? graph_lock+0x170/0x170 [ 328.357613] ? find_held_lock+0x36/0x1c0 [ 328.362598] DMA32: 4*4kB [ 328.365029] ? ____cache_alloc_node+0x1c7/0x1e0 [ 328.367245] (UM) [ 328.371039] ? lock_downgrade+0x900/0x900 [ 328.375078] 2*8kB [ 328.377851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.382490] (M) [ 328.384552] cache_grow_begin+0x91/0x8c0 [ 328.388677] 2*16kB [ 328.390822] ? do_raw_spin_unlock+0xa7/0x2f0 [ 328.396337] (UM) [ 328.398314] fallback_alloc+0x203/0x2e0 [ 328.402348] 2*32kB [ 328.404585] ____cache_alloc_node+0x1c7/0x1e0 [ 328.408964] (UM) [ 328.411033] kmem_cache_alloc_node+0xe3/0x730 [ 328.414975] 3*64kB (UM) [ 328.417226] ? ipv6_get_ifaddr+0x42e/0x620 [ 328.421700] 3*128kB [ 328.423768] __alloc_skb+0x119/0x770 [ 328.428231] (M) [ 328.430915] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 328.435122] 2*256kB [ 328.437440] ? skb_scrub_packet+0x490/0x490 [ 328.441133] (M) [ 328.443109] ? lock_downgrade+0x900/0x900 [ 328.448535] 3*512kB [ 328.450860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.455158] (M) [ 328.457134] ? refcount_sub_and_test_checked+0x203/0x310 [ 328.461256] 4*1024kB (UM) [ 328.463588] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 328.469124] 3*2048kB (UM) [ 328.471111] ? addrconf_rs_timer+0x6f0/0x6f0 [ 328.476535] 3*4096kB [ 328.479389] ndisc_alloc_skb+0x144/0x340 [ 328.484808] (M) [ 328.487653] ndisc_send_rs+0x331/0x6e0 [ 328.492053] = 25280kB [ 328.494462] addrconf_rs_timer+0x3c0/0x6f0 [ 328.498512] Node 0 [ 328.500486] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.504340] Normal: 876*4kB [ 328.506766] call_timer_fn+0x272/0x920 [ 328.510980] (UME) [ 328.513244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.517459] 393*8kB [ 328.520489] ? process_timeout+0x40/0x40 [ 328.524351] (UMEH) [ 328.526500] ? find_held_lock+0x36/0x1c0 [ 328.530715] 183*16kB [ 328.533044] ? __run_timers+0x7da/0xc70 [ 328.537076] (UMEH) [ 328.539310] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.543343] 70*32kB (UMEH) [ 328.545760] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.549710] 13*64kB [ 328.551971] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.556454] (UMH) [ 328.559384] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 328.563857] 3*128kB [ 328.566176] ? trace_hardirqs_on+0xbd/0x310 [ 328.570386] (UH) [ 328.572537] ? kasan_check_read+0x11/0x20 [ 328.577114] 3*256kB [ 328.579431] ? __run_timers+0x7da/0xc70 [ 328.583728] (H) [ 328.585791] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 328.589911] 0*512kB 0*1024kB [ 328.592247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.596202] 0*2048kB [ 328.598178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.603606] 0*4096kB [ 328.606707] __run_timers+0x7e5/0xc70 [ 328.610910] = 13800kB [ 328.610925] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 328.613335] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 328.617548] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 328.619949] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 328.623725] 410 total pagecache pages [ 328.626130] ? graph_lock+0x170/0x170 [ 328.634949] 0 pages in swap cache [ 328.640303] ? enqueue_hrtimer+0x1a5/0x560 [ 328.648853] Swap cache stats: add 0, delete 0, find 0/0 [ 328.648863] Free swap = 0kB [ 328.653875] ? lock_release+0x970/0x970 [ 328.657653] Total swap = 0kB [ 328.661452] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 328.664882] 1965979 pages RAM [ 328.669112] ? find_held_lock+0x36/0x1c0 [ 328.674445] 0 pages HighMem/MovableOnly [ 328.674455] 343323 pages reserved [ 328.677479] ? graph_lock+0x170/0x170 [ 328.681428] 0 pages cma reserved [ 328.684440] ? pvclock_read_flags+0x160/0x160 [ 328.689666] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 328.692712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.696799] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 328.700714] ? check_preemption_disabled+0x48/0x200 [ 328.704144] kworker/0:1 cpuset= [ 328.707945] ? __lock_is_held+0xb5/0x140 [ 328.711281] / [ 328.715775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.722246] mems_allowed=0 [ 328.727776] ? check_preemption_disabled+0x48/0x200 [ 328.765546] run_timer_softirq+0x52/0xb0 [ 328.769609] ? rcu_read_lock_sched_held+0x108/0x120 [ 328.774639] __do_softirq+0x30b/0xad8 [ 328.778450] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 328.783560] ? pvclock_read_flags+0x160/0x160 [ 328.788070] ? lapic_next_event+0x5a/0x90 [ 328.792223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.797764] ? check_preemption_disabled+0x48/0x200 [ 328.802782] ? check_preemption_disabled+0x48/0x200 [ 328.807806] ? kvm_clock_read+0x18/0x30 [ 328.811787] ? kvm_sched_clock_read+0x9/0x20 [ 328.816199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.821742] ? check_preemption_disabled+0x48/0x200 [ 328.826772] irq_exit+0x17f/0x1c0 [ 328.830234] smp_apic_timer_interrupt+0x1cb/0x760 [ 328.835077] ? smp_reschedule_interrupt+0x109/0x650 [ 328.840097] ? smp_call_function_single_interrupt+0x650/0x650 [ 328.845984] ? interrupt_entry+0xb5/0xf0 [ 328.850070] ? trace_hardirqs_off_caller+0xbb/0x300 [ 328.855087] ? trace_hardirqs_off_caller+0xbb/0x300 [ 328.860107] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.864952] ? trace_hardirqs_off+0x300/0x300 [ 328.869468] ? trace_hardirqs_off+0x300/0x300 [ 328.873975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.879528] ? check_preemption_disabled+0x48/0x200 [ 328.884553] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.889405] apic_timer_interrupt+0xf/0x20 [ 328.893634] [ 328.895877] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 328.900808] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 328.919712] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 328.927422] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 328.934687] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 328.941955] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 328.949228] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 328.956500] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 328.963818] skb_clone+0x1bb/0x500 [ 328.967367] ? skb_split+0x11e0/0x11e0 [ 328.971262] ? preempt_notifier_register+0x200/0x200 [ 328.976367] ? __switch_to_asm+0x34/0x70 [ 328.980456] ? __switch_to_asm+0x34/0x70 [ 328.984544] ? __switch_to_asm+0x40/0x70 [ 328.988611] ? __switch_to_asm+0x34/0x70 [ 328.992670] ? __switch_to_asm+0x40/0x70 [ 328.996745] ? __switch_to_asm+0x40/0x70 [ 329.000807] ? __switch_to_asm+0x34/0x70 [ 329.004907] ? __switch_to_asm+0x34/0x70 [ 329.008979] ? __switch_to_asm+0x40/0x70 [ 329.013069] ? __switch_to_asm+0x34/0x70 [ 329.017138] bpf_clone_redirect+0xb9/0x490 [ 329.021388] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 329.026409] ? __sched_text_start+0x8/0x8 [ 329.030568] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 329.035336] ? find_held_lock+0x36/0x1c0 [ 329.039407] ? lock_acquire+0x1ed/0x520 [ 329.043385] ? bpf_test_run+0x32e/0x5a0 [ 329.047366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.052904] ? check_preemption_disabled+0x48/0x200 [ 329.057926] ? kasan_check_read+0x11/0x20 [ 329.062096] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 329.067378] ? rcu_bh_qs+0xc0/0xc0 [ 329.070924] ? preempt_schedule+0x4d/0x60 [ 329.075080] ? ___preempt_schedule+0x16/0x18 [ 329.079498] ? bpf_test_run+0x1c0/0x5a0 [ 329.083493] ? netlink_diag_dump+0x2a0/0x2a0 [ 329.087934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.093471] ? bpf_test_init.isra.9+0x70/0x100 [ 329.098065] ? bpf_prog_test_run_skb+0x634/0xb40 [ 329.102830] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 329.107675] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 329.113213] ? fput+0x130/0x1a0 [ 329.116524] ? __bpf_prog_get+0x9b/0x290 [ 329.120610] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 329.125456] ? bpf_prog_test_run+0x130/0x1a0 [ 329.129887] ? __x64_sys_bpf+0x3d8/0x510 [ 329.133963] ? bpf_prog_get+0x20/0x20 [ 329.137798] ? ksys_ioctl+0x81/0xd0 [ 329.141436] ? do_syscall_64+0x1b9/0x820 [ 329.145501] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 329.150877] ? syscall_return_slowpath+0x5e0/0x5e0 [ 329.155808] ? trace_hardirqs_off+0x300/0x300 [ 329.160322] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 329.165339] ? recalc_sigpending_tsk+0x180/0x180 [ 329.170094] ? kasan_check_write+0x14/0x20 [ 329.174339] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.179191] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 329.184568] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 329.184650] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 329.191414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 329.191438] Workqueue: (null) (events) [ 329.191451] Call Trace: [ 329.191461] [ 329.198046] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 329.207300] dump_stack+0x1c4/0x2b4 [ 329.212124] syz-executor1 cpuset= [ 329.214702] ? dump_stack_print_info.cold.2+0x52/0x52 [ 329.216830] syz1 [ 329.227337] warn_alloc.cold.118+0xb7/0x1bd [ 329.230921] mems_allowed=0 [ 329.234383] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 329.253623] ? lock_downgrade+0x900/0x900 [ 329.257780] ? trace_hardirqs_off+0xb8/0x300 [ 329.262199] ? trace_hardirqs_off+0xb8/0x300 [ 329.266622] __alloc_pages_slowpath+0x2667/0x2d80 [ 329.271501] ? warn_alloc+0x120/0x120 [ 329.275312] ? warn_alloc+0x120/0x120 [ 329.279125] ? print_usage_bug+0xc0/0xc0 [ 329.283186] ? warn_alloc+0x120/0x120 [ 329.286987] ? print_usage_bug+0xc0/0xc0 [ 329.291066] ? __lock_acquire+0x7ec/0x4ec0 [ 329.295303] ? __lock_acquire+0x7ec/0x4ec0 [ 329.299544] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.305089] ? should_fail+0x22d/0xd01 [ 329.308984] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.314095] ? __lock_acquire+0x7ec/0x4ec0 [ 329.318332] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.323450] ? __lock_acquire+0x7ec/0x4ec0 [ 329.327682] ? should_fail+0x22d/0xd01 [ 329.331600] ? mark_held_locks+0x130/0x130 [ 329.335848] ? mark_held_locks+0x130/0x130 [ 329.340079] ? graph_lock+0x170/0x170 [ 329.343891] ? graph_lock+0x170/0x170 [ 329.347697] ? graph_lock+0x170/0x170 [ 329.351497] ? print_usage_bug+0xc0/0xc0 [ 329.355557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.361097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.366647] ? check_preemption_disabled+0x48/0x200 [ 329.371676] ? check_preemption_disabled+0x48/0x200 [ 329.376701] ? __lock_is_held+0xb5/0x140 [ 329.380773] __alloc_pages_nodemask+0xa80/0xde0 [ 329.385439] ? graph_lock+0x170/0x170 [ 329.389244] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 329.394269] ? graph_lock+0x170/0x170 [ 329.398091] ? find_held_lock+0x36/0x1c0 [ 329.402163] ? ____cache_alloc_node+0x1c7/0x1e0 [ 329.406835] ? lock_downgrade+0x900/0x900 [ 329.410989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.416549] cache_grow_begin+0x91/0x8c0 [ 329.420611] ? do_raw_spin_unlock+0xa7/0x2f0 [ 329.425033] fallback_alloc+0x203/0x2e0 [ 329.429025] ____cache_alloc_node+0x1c7/0x1e0 [ 329.433530] kmem_cache_alloc_node+0xe3/0x730 [ 329.438044] ? ipv6_get_ifaddr+0x42e/0x620 [ 329.442295] __alloc_skb+0x119/0x770 [ 329.446030] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 329.451321] ? skb_scrub_packet+0x490/0x490 [ 329.455639] ? lock_downgrade+0x900/0x900 [ 329.459822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.465374] ? refcount_sub_and_test_checked+0x203/0x310 [ 329.470828] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 329.476280] ? addrconf_rs_timer+0x6f0/0x6f0 [ 329.480705] ndisc_alloc_skb+0x144/0x340 [ 329.484772] ndisc_send_rs+0x331/0x6e0 [ 329.488692] addrconf_rs_timer+0x3c0/0x6f0 [ 329.492935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.497192] call_timer_fn+0x272/0x920 [ 329.501086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.505324] ? process_timeout+0x40/0x40 [ 329.509385] ? find_held_lock+0x36/0x1c0 [ 329.513480] ? __run_timers+0x7da/0xc70 [ 329.517477] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.521989] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.526490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.530724] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 329.535331] ? trace_hardirqs_on+0xbd/0x310 [ 329.539650] ? kasan_check_read+0x11/0x20 [ 329.543798] ? __run_timers+0x7da/0xc70 [ 329.547777] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 329.553237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.557479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.561715] __run_timers+0x7e5/0xc70 [ 329.565532] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 329.570901] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 329.575920] ? graph_lock+0x170/0x170 [ 329.579725] ? enqueue_hrtimer+0x1a5/0x560 [ 329.583964] ? lock_release+0x970/0x970 [ 329.587954] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 329.593161] ? find_held_lock+0x36/0x1c0 [ 329.597231] ? pvclock_read_flags+0x160/0x160 [ 329.601730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.607266] ? check_preemption_disabled+0x48/0x200 [ 329.612291] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 329.617829] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 329.623136] ? rcu_pm_notify+0xc0/0xc0 [ 329.627032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.632570] ? check_preemption_disabled+0x48/0x200 [ 329.637593] run_timer_softirq+0x52/0xb0 [ 329.641656] ? rcu_read_lock_sched_held+0x108/0x120 [ 329.646672] __do_softirq+0x30b/0xad8 [ 329.650482] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 329.655587] ? pvclock_read_flags+0x160/0x160 [ 329.660088] ? lapic_next_event+0x5a/0x90 [ 329.664279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.669815] ? check_preemption_disabled+0x48/0x200 [ 329.674830] ? check_preemption_disabled+0x48/0x200 [ 329.679863] ? kvm_clock_read+0x18/0x30 [ 329.683850] ? kvm_sched_clock_read+0x9/0x20 [ 329.688261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.693797] ? check_preemption_disabled+0x48/0x200 [ 329.698828] irq_exit+0x17f/0x1c0 [ 329.702285] smp_apic_timer_interrupt+0x1cb/0x760 [ 329.707133] ? smp_call_function_single_interrupt+0x650/0x650 [ 329.713023] ? interrupt_entry+0xb5/0xf0 [ 329.717092] ? trace_hardirqs_off_caller+0xbb/0x300 [ 329.722107] ? trace_hardirqs_off_caller+0xbb/0x300 [ 329.727125] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.731969] ? trace_hardirqs_off+0x300/0x300 [ 329.736476] ? trace_hardirqs_off+0x300/0x300 [ 329.740972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.746513] ? check_preemption_disabled+0x48/0x200 [ 329.751532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.757077] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.761925] apic_timer_interrupt+0xf/0x20 [ 329.766158] [ 329.768397] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 329.773503] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 329.792408] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 329.800120] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 329.807389] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 329.814660] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 329.821926] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 329.829192] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 329.836487] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.840995] finish_task_switch+0x1f5/0x900 [ 329.845341] ? finish_task_switch+0x1b5/0x900 [ 329.849833] ? __switch_to_asm+0x34/0x70 [ 329.853899] ? preempt_notifier_register+0x200/0x200 [ 329.858999] ? __switch_to_asm+0x34/0x70 [ 329.863074] ? __switch_to_asm+0x34/0x70 [ 329.867143] ? __switch_to_asm+0x40/0x70 [ 329.871207] ? __switch_to_asm+0x34/0x70 [ 329.875273] ? __switch_to_asm+0x40/0x70 [ 329.879337] ? __switch_to_asm+0x34/0x70 [ 329.883413] ? __switch_to_asm+0x40/0x70 [ 329.887485] ? __switch_to_asm+0x34/0x70 [ 329.891550] ? __switch_to_asm+0x40/0x70 [ 329.895610] ? __switch_to_asm+0x34/0x70 [ 329.899670] ? __switch_to_asm+0x40/0x70 [ 329.903730] ? __switch_to_asm+0x34/0x70 [ 329.907795] ? __switch_to_asm+0x40/0x70 [ 329.911879] ? __switch_to_asm+0x34/0x70 [ 329.915941] ? __switch_to_asm+0x40/0x70 [ 329.920031] __schedule+0x874/0x1ed0 [ 329.923754] ? lockdep_hardirqs_on+0x421/0x5c0 [ 329.928349] ? __sched_text_start+0x8/0x8 [ 329.932508] ? graph_lock+0x170/0x170 [ 329.936327] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 329.941094] ? lockdep_hardirqs_on+0x421/0x5c0 [ 329.945676] ? retint_kernel+0x2d/0x2d [ 329.949581] ? find_held_lock+0x36/0x1c0 [ 329.953665] schedule+0xfe/0x460 [ 329.957040] ? __schedule+0x1ed0/0x1ed0 [ 329.961034] ? lockdep_hardirqs_on+0x421/0x5c0 [ 329.965635] ? trace_hardirqs_on+0xbd/0x310 [ 329.969958] ? kasan_check_read+0x11/0x20 [ 329.974109] ? worker_thread+0x3ca/0x1390 [ 329.978263] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 329.983718] ? kasan_check_write+0x14/0x20 [ 329.987950] ? do_raw_spin_lock+0xc1/0x200 [ 329.992191] worker_thread+0x3cf/0x1390 [ 329.996164] ? __switch_to_asm+0x34/0x70 [ 330.000244] ? process_one_work+0x1b90/0x1b90 [ 330.004748] ? graph_lock+0x170/0x170 [ 330.008558] ? __sched_text_start+0x8/0x8 [ 330.012714] ? find_held_lock+0x36/0x1c0 [ 330.016797] ? __kthread_parkme+0xce/0x1a0 [ 330.021046] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 330.026687] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 330.031795] ? lockdep_hardirqs_on+0x421/0x5c0 [ 330.036379] ? trace_hardirqs_on+0xbd/0x310 [ 330.040700] ? kasan_check_read+0x11/0x20 [ 330.044850] ? __kthread_parkme+0xce/0x1a0 [ 330.049091] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 330.054548] ? kasan_check_write+0x14/0x20 [ 330.058788] ? do_raw_spin_lock+0xc1/0x200 [ 330.063036] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 330.068146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.073701] ? __kthread_parkme+0xfb/0x1a0 [ 330.077955] kthread+0x35a/0x420 [ 330.081330] ? process_one_work+0x1b90/0x1b90 [ 330.085829] ? kthread_bind+0x40/0x40 [ 330.089635] ret_from_fork+0x3a/0x50 [ 330.093368] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 330.093374] warn_alloc_show_mem: 1 callbacks suppressed [ 330.093395] Mem-Info: [ 330.100579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.105949] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 330.105949] active_file:13 inactive_file:18 isolated_file:0 [ 330.105949] unevictable:0 dirty:0 writeback:0 unstable:0 [ 330.105949] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 330.105949] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 330.105949] free:13747 free_pcp:307 free_cma:0 [ 330.108321] Call Trace: [ 330.117709] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 330.150573] [ 330.153144] Node 0 [ 330.180823] dump_stack+0x1c4/0x2b4 [ 330.182977] 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 [ 330.185186] ? dump_stack_print_info.cold.2+0x52/0x52 [ 330.188794] lowmem_reserve[]: [ 330.214304] warn_alloc.cold.118+0xb7/0x1bd [ 330.219459] 0 2815 [ 330.222571] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 330.226871] 6318 [ 330.229106] ? lock_downgrade+0x900/0x900 [ 330.233922] 6318 [ 330.235986] ? trace_hardirqs_off+0xb8/0x300 [ 330.242171] ? trace_hardirqs_off+0xb8/0x300 [ 330.246553] Node 0 DMA32 free:25280kB 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 [ 330.250996] __alloc_pages_slowpath+0x2667/0x2d80 [ 330.251041] ? warn_alloc+0x120/0x120 [ 330.278587] lowmem_reserve[]: [ 330.283426] ? trace_hardirqs_on+0x310/0x310 [ 330.287220] 0 [ 330.290324] ? warn_alloc+0x120/0x120 [ 330.294711] 0 [ 330.296520] ? print_usage_bug+0xc0/0xc0 [ 330.300285] 3503 3503 [ 330.302106] ? warn_alloc+0x120/0x120 [ 330.308666] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 330.312470] Node 0 [ 330.317476] ? print_usage_bug+0xc0/0xc0 [ 330.317505] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 330.317509] lowmem_reserve[]: 0 0 [ 330.319758] ? __lock_acquire+0x7ec/0x4ec0 [ 330.323791] 0 0 [ 330.352162] ? __lock_acquire+0x7ec/0x4ec0 [ 330.359821] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.361774] Node 0 [ 330.366009] ? should_fail+0x22d/0xd01 [ 330.371533] DMA: [ 330.373772] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.377636] 1*4kB [ 330.379694] ? __lock_acquire+0x7ec/0x4ec0 [ 330.384774] (U) [ 330.386924] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.391138] 0*8kB [ 330.393112] ? __lock_acquire+0x7ec/0x4ec0 [ 330.398191] 0*16kB [ 330.400352] ? should_fail+0x22d/0xd01 [ 330.404576] 1*32kB [ 330.406820] ? print_usage_bug+0xc0/0xc0 [ 330.410695] (U) [ 330.412934] ? mark_held_locks+0x130/0x130 [ 330.416971] 2*64kB [ 330.418950] ? mark_held_locks+0x130/0x130 [ 330.423161] (U) [ 330.425400] ? graph_lock+0x170/0x170 [ 330.429610] 1*128kB [ 330.431580] ? print_usage_bug+0xc0/0xc0 [ 330.435356] (U) [ 330.437683] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 330.441718] 1*256kB [ 330.443689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.448433] (U) [ 330.450768] ? check_preemption_disabled+0x48/0x200 [ 330.456281] 0*512kB [ 330.458249] ? check_preemption_disabled+0x48/0x200 [ 330.463246] 1*1024kB [ 330.465573] ? __lock_is_held+0xb5/0x140 [ 330.470562] (U) [ 330.472970] __alloc_pages_nodemask+0xa80/0xde0 [ 330.477010] 1*2048kB [ 330.478979] ? graph_lock+0x170/0x170 [ 330.483626] (M) [ 330.486065] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 330.489842] 3*4096kB [ 330.491811] ? graph_lock+0x170/0x170 [ 330.496808] (M) [ 330.499234] ? find_held_lock+0x36/0x1c0 [ 330.503010] = 15908kB [ 330.504983] ? ____cache_alloc_node+0x1c7/0x1e0 [ 330.509019] Node 0 [ 330.511429] ? lock_downgrade+0x900/0x900 [ 330.516076] DMA32: [ 330.518327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.522446] 4*4kB [ 330.524680] cache_grow_begin+0x91/0x8c0 [ 330.530190] (UM) [ 330.532340] ? do_raw_spin_unlock+0xa7/0x2f0 [ 330.536385] 2*8kB (M) [ 330.538459] fallback_alloc+0x203/0x2e0 [ 330.542946] 2*16kB [ 330.545439] ____cache_alloc_node+0x1c7/0x1e0 [ 330.549387] (UM) [ 330.551624] kmem_cache_alloc_node+0xe3/0x730 [ 330.556092] 2*32kB (UM) [ 330.558165] ? ipv6_get_ifaddr+0x42e/0x620 [ 330.562635] 3*64kB [ 330.565311] __alloc_skb+0x119/0x770 [ 330.569518] (UM) [ 330.571754] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 330.575458] 3*128kB [ 330.577530] ? skb_scrub_packet+0x490/0x490 [ 330.582777] (M) [ 330.585099] ? lock_downgrade+0x900/0x900 [ 330.589403] 2*256kB [ 330.591395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.595509] (M) 3*512kB [ 330.597840] ? refcount_sub_and_test_checked+0x203/0x310 [ 330.603353] (M) [ 330.606029] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 330.611454] 4*1024kB [ 330.613453] ? addrconf_rs_timer+0x6f0/0x6f0 [ 330.618877] (UM) [ 330.621291] ndisc_alloc_skb+0x144/0x340 [ 330.625670] 3*2048kB [ 330.627732] ndisc_send_rs+0x331/0x6e0 [ 330.631766] (UM) [ 330.634182] addrconf_rs_timer+0x3c0/0x6f0 [ 330.638046] 3*4096kB [ 330.640118] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.644344] (M) [ 330.646759] call_timer_fn+0x272/0x920 [ 330.650961] = 25280kB [ 330.652932] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.656809] Node 0 [ 330.659218] ? process_timeout+0x40/0x40 [ 330.663427] Normal: [ 330.665659] ? find_held_lock+0x36/0x1c0 [ 330.669712] 876*4kB [ 330.672035] ? __run_timers+0x7da/0xc70 [ 330.676170] (UME) [ 330.678490] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.682439] 393*8kB [ 330.684588] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.689060] (UMEH) 183*16kB [ 330.691396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.695872] (UMEH) 70*32kB [ 330.698908] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 330.703109] (UMEH) 13*64kB [ 330.706055] ? trace_hardirqs_on+0xbd/0x310 [ 330.710608] (UMH) [ 330.713540] ? kasan_check_read+0x11/0x20 [ 330.717839] 3*128kB [ 330.719997] ? __run_timers+0x7da/0xc70 [ 330.724114] (UH) [ 330.726436] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 330.730378] 3*256kB (H) [ 330.732491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.737923] 0*512kB [ 330.740596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.744807] 0*1024kB [ 330.747127] __run_timers+0x7e5/0xc70 [ 330.751337] 0*2048kB [ 330.753752] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 330.757522] 0*4096kB [ 330.759926] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 330.765268] = 13800kB [ 330.767678] ? graph_lock+0x170/0x170 [ 330.772680] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 330.775082] ? enqueue_hrtimer+0x1a5/0x560 [ 330.778865] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 330.787695] ? lock_release+0x970/0x970 [ 330.791906] 410 total pagecache pages [ 330.800483] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 330.804443] 0 pages in swap cache [ 330.808240] ? find_held_lock+0x36/0x1c0 [ 330.813400] Swap cache stats: add 0, delete 0, find 0/0 [ 330.813410] Free swap = 0kB [ 330.816864] ? graph_lock+0x170/0x170 [ 330.820891] Total swap = 0kB [ 330.820901] 1965979 pages RAM [ 330.826265] ? pvclock_read_flags+0x160/0x160 [ 330.829259] 0 pages HighMem/MovableOnly [ 330.833057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.836050] 343323 pages reserved [ 330.836059] 0 pages cma reserved [ 330.839161] ? check_preemption_disabled+0x48/0x200 [ 330.843712] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 330.847610] ? __lock_is_held+0xb5/0x140 [ 330.847631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.853265] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 330.856598] ? check_preemption_disabled+0x48/0x200 [ 330.856622] run_timer_softirq+0x52/0xb0 [ 330.860312] kworker/0:1 cpuset= [ 330.865328] ? rcu_read_lock_sched_held+0x108/0x120 [ 330.865350] __do_softirq+0x30b/0xad8 [ 330.872095] / [ 330.876134] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 330.876156] ? pvclock_read_flags+0x160/0x160 [ 330.876171] ? lapic_next_event+0x5a/0x90 [ 330.876187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.881927] mems_allowed=0 [ 330.892244] ? check_preemption_disabled+0x48/0x200 [ 330.942191] ? check_preemption_disabled+0x48/0x200 [ 330.947225] ? kvm_clock_read+0x18/0x30 [ 330.951211] ? kvm_sched_clock_read+0x9/0x20 [ 330.955628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.961173] ? check_preemption_disabled+0x48/0x200 [ 330.966211] irq_exit+0x17f/0x1c0 [ 330.969683] smp_apic_timer_interrupt+0x1cb/0x760 [ 330.974538] ? smp_reschedule_interrupt+0x109/0x650 [ 330.979571] ? smp_call_function_single_interrupt+0x650/0x650 [ 330.985477] ? interrupt_entry+0xb5/0xf0 [ 330.989549] ? trace_hardirqs_off_caller+0xbb/0x300 [ 330.994587] ? trace_hardirqs_off_caller+0xbb/0x300 [ 330.999611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.004460] ? trace_hardirqs_off+0x300/0x300 [ 331.008953] ? trace_hardirqs_off+0x300/0x300 [ 331.013450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.019029] ? check_preemption_disabled+0x48/0x200 [ 331.024074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.028934] apic_timer_interrupt+0xf/0x20 [ 331.033164] [ 331.035404] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 331.040339] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 331.059238] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 331.066948] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 331.074214] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 331.081481] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 331.088758] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 331.096040] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 331.103374] skb_clone+0x1bb/0x500 [ 331.106918] ? skb_split+0x11e0/0x11e0 [ 331.110811] ? preempt_notifier_register+0x200/0x200 [ 331.115911] ? __switch_to_asm+0x34/0x70 [ 331.119982] ? __switch_to_asm+0x34/0x70 [ 331.124070] ? __switch_to_asm+0x40/0x70 [ 331.128131] ? __switch_to_asm+0x34/0x70 [ 331.132193] ? __switch_to_asm+0x40/0x70 [ 331.136259] ? __switch_to_asm+0x40/0x70 [ 331.140323] ? __switch_to_asm+0x34/0x70 [ 331.144397] ? __switch_to_asm+0x34/0x70 [ 331.148458] ? __switch_to_asm+0x40/0x70 [ 331.152546] ? __switch_to_asm+0x34/0x70 [ 331.156615] bpf_clone_redirect+0xb9/0x490 [ 331.160859] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 331.165883] ? __sched_text_start+0x8/0x8 [ 331.170063] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 331.174828] ? find_held_lock+0x36/0x1c0 [ 331.178910] ? lock_acquire+0x1ed/0x520 [ 331.182886] ? bpf_test_run+0x32e/0x5a0 [ 331.186864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.192404] ? check_preemption_disabled+0x48/0x200 [ 331.197424] ? kasan_check_read+0x11/0x20 [ 331.201576] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 331.206867] ? rcu_bh_qs+0xc0/0xc0 [ 331.210415] ? preempt_schedule+0x4d/0x60 [ 331.214565] ? ___preempt_schedule+0x16/0x18 [ 331.218981] ? bpf_test_run+0x1c0/0x5a0 [ 331.222978] ? netlink_diag_dump+0x2a0/0x2a0 [ 331.227412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.232949] ? bpf_test_init.isra.9+0x70/0x100 [ 331.237539] ? bpf_prog_test_run_skb+0x634/0xb40 [ 331.242305] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 331.247150] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 331.252685] ? fput+0x130/0x1a0 [ 331.255968] ? __bpf_prog_get+0x9b/0x290 [ 331.260047] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 331.264891] ? bpf_prog_test_run+0x130/0x1a0 [ 331.269312] ? __x64_sys_bpf+0x3d8/0x510 [ 331.273388] ? bpf_prog_get+0x20/0x20 [ 331.277209] ? ksys_ioctl+0x81/0xd0 [ 331.280849] ? do_syscall_64+0x1b9/0x820 [ 331.284917] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 331.290288] ? syscall_return_slowpath+0x5e0/0x5e0 [ 331.295235] ? trace_hardirqs_off+0x300/0x300 [ 331.299737] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 331.304756] ? recalc_sigpending_tsk+0x180/0x180 [ 331.309525] ? kasan_check_write+0x14/0x20 [ 331.313768] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.318625] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.324031] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 331.324116] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 331.330888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.330912] Workqueue: (null) (events) [ 331.330925] Call Trace: [ 331.330935] [ 331.337516] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 331.346775] dump_stack+0x1c4/0x2b4 [ 331.351599] syz-executor1 cpuset= [ 331.354180] ? dump_stack_print_info.cold.2+0x52/0x52 [ 331.356308] syz1 [ 331.366795] warn_alloc.cold.118+0xb7/0x1bd [ 331.370395] mems_allowed=0 [ 331.373866] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 331.393084] ? lock_downgrade+0x900/0x900 [ 331.397241] ? trace_hardirqs_off+0xb8/0x300 [ 331.401656] ? trace_hardirqs_off+0xb8/0x300 [ 331.406080] __alloc_pages_slowpath+0x2667/0x2d80 [ 331.410952] ? warn_alloc+0x120/0x120 [ 331.414771] ? warn_alloc+0x120/0x120 [ 331.418577] ? print_usage_bug+0xc0/0xc0 [ 331.422639] ? warn_alloc+0x120/0x120 [ 331.426441] ? print_usage_bug+0xc0/0xc0 [ 331.430504] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 331.435707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.441246] ? should_fail+0x22d/0xd01 [ 331.445138] ? print_usage_bug+0xc0/0xc0 [ 331.449200] ? print_usage_bug+0xc0/0xc0 [ 331.453266] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.458375] ? __lock_acquire+0x7ec/0x4ec0 [ 331.462616] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.467722] ? should_fail+0x22d/0xd01 [ 331.471622] ? mark_held_locks+0x130/0x130 [ 331.475860] ? mark_held_locks+0x130/0x130 [ 331.480112] ? print_usage_bug+0xc0/0xc0 [ 331.484181] ? __lock_acquire+0x7ec/0x4ec0 [ 331.488435] ? graph_lock+0x170/0x170 [ 331.492237] ? mark_held_locks+0x130/0x130 [ 331.496476] ? mark_held_locks+0x130/0x130 [ 331.500726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.506268] ? check_preemption_disabled+0x48/0x200 [ 331.511283] ? check_preemption_disabled+0x48/0x200 [ 331.516313] ? __lock_is_held+0xb5/0x140 [ 331.520380] __alloc_pages_nodemask+0xa80/0xde0 [ 331.525053] ? graph_lock+0x170/0x170 [ 331.528865] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 331.533877] ? graph_lock+0x170/0x170 [ 331.537693] ? find_held_lock+0x36/0x1c0 [ 331.541782] ? ____cache_alloc_node+0x1c7/0x1e0 [ 331.546452] ? lock_downgrade+0x900/0x900 [ 331.550622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.556168] cache_grow_begin+0x91/0x8c0 [ 331.560244] ? do_raw_spin_unlock+0xa7/0x2f0 [ 331.564673] fallback_alloc+0x203/0x2e0 [ 331.568659] ____cache_alloc_node+0x1c7/0x1e0 [ 331.573171] kmem_cache_alloc_node+0xe3/0x730 [ 331.577666] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 331.582774] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 331.587363] __alloc_skb+0x119/0x770 [ 331.591081] ? calc_wheel_index+0x220/0x220 [ 331.595408] ? skb_scrub_packet+0x490/0x490 [ 331.599735] ? lock_acquire+0x1ed/0x520 [ 331.603708] ? aoecmd_cfg+0x108/0x7f0 [ 331.607511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.613049] ? check_preemption_disabled+0x48/0x200 [ 331.618073] ? kasan_check_read+0x11/0x20 [ 331.622226] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 331.627503] ? rcu_bh_qs+0xc0/0xc0 [ 331.631056] new_skb+0x26/0x1c0 [ 331.634353] aoecmd_cfg+0x279/0x7f0 [ 331.637985] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 331.642317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.647855] ? check_preemption_disabled+0x48/0x200 [ 331.652866] ? check_preemption_disabled+0x48/0x200 [ 331.657893] ? __lock_is_held+0xb5/0x140 [ 331.661967] discover_timer+0x50/0x60 [ 331.665774] call_timer_fn+0x272/0x920 [ 331.669664] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 331.674512] ? process_timeout+0x40/0x40 [ 331.678572] ? find_held_lock+0x36/0x1c0 [ 331.682646] ? __run_timers+0x7da/0xc70 [ 331.686625] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.691121] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.695618] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 331.700462] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 331.705070] ? trace_hardirqs_on+0xbd/0x310 [ 331.709394] ? kasan_check_read+0x11/0x20 [ 331.713547] ? __run_timers+0x7da/0xc70 [ 331.717523] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 331.722989] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 331.727852] __run_timers+0x7e5/0xc70 [ 331.731667] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 331.737037] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 331.742056] ? graph_lock+0x170/0x170 [ 331.745868] ? enqueue_hrtimer+0x1a5/0x560 [ 331.750105] ? lock_release+0x970/0x970 [ 331.754082] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 331.759281] ? find_held_lock+0x36/0x1c0 [ 331.763353] ? pvclock_read_flags+0x160/0x160 [ 331.767851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.773386] ? check_preemption_disabled+0x48/0x200 [ 331.778425] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 331.783960] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 331.789241] ? rcu_pm_notify+0xc0/0xc0 [ 331.793130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.798669] ? check_preemption_disabled+0x48/0x200 [ 331.803704] run_timer_softirq+0x52/0xb0 [ 331.807773] ? rcu_read_lock_sched_held+0x108/0x120 [ 331.812790] __do_softirq+0x30b/0xad8 [ 331.816603] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 331.821712] ? pvclock_read_flags+0x160/0x160 [ 331.826207] ? lapic_next_event+0x5a/0x90 [ 331.830361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.835916] ? check_preemption_disabled+0x48/0x200 [ 331.840936] ? check_preemption_disabled+0x48/0x200 [ 331.845963] ? kvm_clock_read+0x18/0x30 [ 331.849936] ? kvm_sched_clock_read+0x9/0x20 [ 331.854345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.859883] ? check_preemption_disabled+0x48/0x200 [ 331.864912] irq_exit+0x17f/0x1c0 [ 331.868374] smp_apic_timer_interrupt+0x1cb/0x760 [ 331.873235] ? smp_call_function_single_interrupt+0x650/0x650 [ 331.879125] ? interrupt_entry+0xb5/0xf0 [ 331.883191] ? trace_hardirqs_off_caller+0xbb/0x300 [ 331.888206] ? trace_hardirqs_off_caller+0xbb/0x300 [ 331.893224] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.898072] ? trace_hardirqs_off+0x300/0x300 [ 331.902569] ? trace_hardirqs_off+0x300/0x300 [ 331.907067] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.912617] ? check_preemption_disabled+0x48/0x200 [ 331.917631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.923181] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.928056] apic_timer_interrupt+0xf/0x20 [ 331.932290] [ 331.934569] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 331.939690] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 331.958594] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 331.966313] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 331.973591] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 331.980864] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 331.988136] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 331.995402] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 332.002706] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.007212] finish_task_switch+0x1f5/0x900 [ 332.011536] ? finish_task_switch+0x1b5/0x900 [ 332.016042] ? __switch_to_asm+0x34/0x70 [ 332.020109] ? preempt_notifier_register+0x200/0x200 [ 332.025228] ? __switch_to_asm+0x34/0x70 [ 332.029536] ? __switch_to_asm+0x34/0x70 [ 332.033596] ? __switch_to_asm+0x40/0x70 [ 332.037670] ? __switch_to_asm+0x34/0x70 [ 332.041757] ? __switch_to_asm+0x40/0x70 [ 332.045819] ? __switch_to_asm+0x34/0x70 [ 332.049909] ? __switch_to_asm+0x40/0x70 [ 332.053972] ? __switch_to_asm+0x34/0x70 [ 332.058049] ? __switch_to_asm+0x40/0x70 [ 332.062118] ? __switch_to_asm+0x34/0x70 [ 332.066179] ? __switch_to_asm+0x40/0x70 [ 332.070244] ? __switch_to_asm+0x34/0x70 [ 332.074303] ? __switch_to_asm+0x40/0x70 [ 332.078367] ? __switch_to_asm+0x34/0x70 [ 332.082430] ? __switch_to_asm+0x40/0x70 [ 332.086508] __schedule+0x874/0x1ed0 [ 332.090230] ? lockdep_hardirqs_on+0x421/0x5c0 [ 332.094828] ? __sched_text_start+0x8/0x8 [ 332.098986] ? graph_lock+0x170/0x170 [ 332.102825] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 332.107592] ? lockdep_hardirqs_on+0x421/0x5c0 [ 332.112175] ? retint_kernel+0x2d/0x2d [ 332.116080] ? find_held_lock+0x36/0x1c0 [ 332.120154] schedule+0xfe/0x460 [ 332.123530] ? __schedule+0x1ed0/0x1ed0 [ 332.127509] ? lockdep_hardirqs_on+0x421/0x5c0 [ 332.132099] ? trace_hardirqs_on+0xbd/0x310 [ 332.136593] ? kasan_check_read+0x11/0x20 [ 332.140778] ? worker_thread+0x3ca/0x1390 [ 332.144930] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 332.150396] ? kasan_check_write+0x14/0x20 [ 332.154630] ? do_raw_spin_lock+0xc1/0x200 [ 332.158872] worker_thread+0x3cf/0x1390 [ 332.162849] ? __switch_to_asm+0x34/0x70 [ 332.166926] ? process_one_work+0x1b90/0x1b90 [ 332.171429] ? graph_lock+0x170/0x170 [ 332.175241] ? __sched_text_start+0x8/0x8 [ 332.179405] ? find_held_lock+0x36/0x1c0 [ 332.183482] ? __kthread_parkme+0xce/0x1a0 [ 332.187723] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 332.192830] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 332.197942] ? lockdep_hardirqs_on+0x421/0x5c0 [ 332.202525] ? trace_hardirqs_on+0xbd/0x310 [ 332.206848] ? kasan_check_read+0x11/0x20 [ 332.211002] ? __kthread_parkme+0xce/0x1a0 [ 332.215255] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 332.220733] ? kasan_check_write+0x14/0x20 [ 332.224973] ? do_raw_spin_lock+0xc1/0x200 [ 332.229220] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 332.234326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.239867] ? __kthread_parkme+0xfb/0x1a0 [ 332.244110] kthread+0x35a/0x420 [ 332.247491] ? process_one_work+0x1b90/0x1b90 [ 332.252028] ? kthread_bind+0x40/0x40 [ 332.255854] ret_from_fork+0x3a/0x50 [ 332.259592] CPU: 1 PID: 8025 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #93 [ 332.259597] warn_alloc_show_mem: 1 callbacks suppressed [ 332.259605] Mem-Info: [ 332.266820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.272191] active_anon:39979 inactive_anon:371 isolated_anon:0 [ 332.272191] active_file:13 inactive_file:18 isolated_file:0 [ 332.272191] unevictable:0 dirty:0 writeback:0 unstable:0 [ 332.272191] slab_reclaimable:8609 slab_unreclaimable:1467283 [ 332.272191] mapped:57525 shmem:379 pagetables:700 bounce:0 [ 332.272191] free:13747 free_pcp:307 free_cma:0 [ 332.274567] Call Trace: [ 332.283951] Node 0 active_anon:159916kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230100kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 147456kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 332.316800] [ 332.319375] Node 0 [ 332.347047] dump_stack+0x1c4/0x2b4 [ 332.349202] 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 [ 332.351413] ? dump_stack_print_info.cold.2+0x52/0x52 [ 332.355023] lowmem_reserve[]: [ 332.380545] warn_alloc.cold.118+0xb7/0x1bd [ 332.385703] 0 [ 332.388810] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 332.393099] 2815 6318 [ 332.394908] ? lock_downgrade+0x900/0x900 [ 332.399721] 6318 [ 332.402232] ? trace_hardirqs_off+0xb8/0x300 [ 332.406352] Node 0 [ 332.408427] ? trace_hardirqs_off+0xb8/0x300 [ 332.412847] DMA32 free:25280kB 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 [ 332.415062] __alloc_pages_slowpath+0x2667/0x2d80 [ 332.419436] lowmem_reserve[]: 0 [ 332.446447] ? warn_alloc+0x120/0x120 [ 332.451240] 0 3503 [ 332.454531] ? trace_hardirqs_on+0x310/0x310 [ 332.458303] 3503 [ 332.460548] ? warn_alloc+0x120/0x120 [ 332.464936] Node 0 [ 332.467012] ? print_usage_bug+0xc0/0xc0 [ 332.470812] Normal free:13800kB min:37376kB low:46720kB high:56064kB active_anon:157868kB inactive_anon:1484kB active_file:52kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587472kB mlocked:0kB kernel_stack:5344kB pagetables:2800kB bounce:0kB free_pcp:980kB local_pcp:516kB free_cma:0kB [ 332.473031] ? warn_alloc+0x120/0x120 [ 332.477069] lowmem_reserve[]: [ 332.505466] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 332.509241] 0 [ 332.512345] ? print_usage_bug+0xc0/0xc0 [ 332.517332] 0 0 [ 332.519152] ? __lock_acquire+0x7ec/0x4ec0 [ 332.523187] 0 [ 332.525176] ? __lock_acquire+0x7ec/0x4ec0 [ 332.529387] Node 0 [ 332.531203] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.535414] DMA: [ 332.537655] ? should_fail+0x22d/0xd01 [ 332.543187] 1*4kB [ 332.545232] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.549095] (U) [ 332.551246] ? __lock_acquire+0x7ec/0x4ec0 [ 332.556324] 0*8kB 0*16kB [ 332.558311] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.562523] 1*32kB [ 332.565284] ? __lock_acquire+0x7ec/0x4ec0 [ 332.570360] (U) [ 332.572601] ? should_fail+0x22d/0xd01 [ 332.576819] 2*64kB [ 332.578793] ? print_usage_bug+0xc0/0xc0 [ 332.582656] (U) [ 332.584895] ? mark_held_locks+0x130/0x130 [ 332.588950] 1*128kB (U) [ 332.590938] ? mark_held_locks+0x130/0x130 [ 332.595151] 1*256kB (U) [ 332.597835] ? graph_lock+0x170/0x170 [ 332.602050] 0*512kB [ 332.604718] ? print_usage_bug+0xc0/0xc0 [ 332.608499] 1*1024kB [ 332.610827] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 332.614864] (U) [ 332.617275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.622012] 1*2048kB [ 332.624000] ? check_preemption_disabled+0x48/0x200 [ 332.629507] (M) 3*4096kB [ 332.631928] ? check_preemption_disabled+0x48/0x200 [ 332.636922] (M) [ 332.639683] ? __lock_is_held+0xb5/0x140 [ 332.644672] = 15908kB [ 332.646647] __alloc_pages_nodemask+0xa80/0xde0 [ 332.650684] Node 0 [ 332.653087] ? graph_lock+0x170/0x170 [ 332.657782] DMA32: 4*4kB [ 332.660032] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 332.663813] (UM) [ 332.666567] ? graph_lock+0x170/0x170 [ 332.671559] 2*8kB [ 332.673622] ? find_held_lock+0x36/0x1c0 [ 332.677391] (M) [ 332.679548] ? ____cache_alloc_node+0x1c7/0x1e0 [ 332.683582] 2*16kB [ 332.685554] ? lock_downgrade+0x900/0x900 [ 332.690203] (UM) [ 332.692441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.696567] 2*32kB [ 332.698626] cache_grow_begin+0x91/0x8c0 [ 332.704141] (UM) [ 332.706380] ? do_raw_spin_unlock+0xa7/0x2f0 [ 332.710410] 3*64kB (UM) [ 332.712485] fallback_alloc+0x203/0x2e0 [ 332.716859] 3*128kB (M) [ 332.719542] ____cache_alloc_node+0x1c7/0x1e0 [ 332.723523] 2*256kB [ 332.726207] kmem_cache_alloc_node+0xe3/0x730 [ 332.730686] (M) [ 332.733017] ? ipv6_get_ifaddr+0x42e/0x620 [ 332.737509] 3*512kB (M) [ 332.739500] __alloc_skb+0x119/0x770 [ 332.743704] 4*1024kB (UM) [ 332.746384] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 332.750066] 3*2048kB (UM) [ 332.752922] ? skb_scrub_packet+0x490/0x490 [ 332.758171] 3*4096kB (M) [ 332.761031] ? lock_downgrade+0x900/0x900 [ 332.765323] = 25280kB [ 332.765332] Node 0 [ 332.768093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.772215] Normal: [ 332.774635] ? refcount_sub_and_test_checked+0x203/0x310 [ 332.776852] 876*4kB [ 332.782389] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 332.784686] (UME) [ 332.790129] ? addrconf_rs_timer+0x6f0/0x6f0 [ 332.792423] 393*8kB (UMEH) [ 332.797885] ndisc_alloc_skb+0x144/0x340 [ 332.799998] 183*16kB (UMEH) [ 332.804413] ndisc_send_rs+0x331/0x6e0 [ 332.807321] 70*32kB [ 332.811382] addrconf_rs_timer+0x3c0/0x6f0 [ 332.814374] (UMEH) [ 332.818261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.820589] 13*64kB (UMH) [ 332.824836] call_timer_fn+0x272/0x920 [ 332.827043] 3*128kB (UH) [ 332.831301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.834127] 3*256kB [ 332.838037] ? process_timeout+0x40/0x40 [ 332.840769] (H) [ 332.845009] ? find_held_lock+0x36/0x1c0 [ 332.847303] 0*512kB 0*1024kB [ 332.851376] ? __run_timers+0x7da/0xc70 [ 332.853319] 0*2048kB 0*4096kB [ 332.857387] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.860468] = 13800kB [ 332.864435] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.867613] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 332.872098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.874491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 332.878982] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 332.887793] 410 total pagecache pages [ 332.892032] ? trace_hardirqs_on+0xbd/0x310 [ 332.900589] 0 pages in swap cache [ 332.905161] ? kasan_check_read+0x11/0x20 [ 332.908935] Swap cache stats: add 0, delete 0, find 0/0 [ 332.908945] Free swap = 0kB [ 332.913264] ? __run_timers+0x7da/0xc70 [ 332.916697] Total swap = 0kB [ 332.920854] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 332.926194] 1965979 pages RAM [ 332.929213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.933156] 0 pages HighMem/MovableOnly [ 332.933166] 343323 pages reserved [ 332.936184] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.941604] 0 pages cma reserved [ 332.941674] aoe: skb alloc failure [ 332.944717] __run_timers+0x7e5/0xc70 [ 332.948993] kworker/0:1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 332.952913] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 332.956332] kworker/0:1 cpuset= [ 332.960570] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 332.963913] / [ 332.967451] ? graph_lock+0x170/0x170 [ 332.971234] mems_allowed=0 [ 332.981544] ? enqueue_hrtimer+0x1a5/0x560 [ 333.007774] ? lock_release+0x970/0x970 [ 333.011757] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 333.016960] ? find_held_lock+0x36/0x1c0 [ 333.021035] ? graph_lock+0x170/0x170 [ 333.024842] ? pvclock_read_flags+0x160/0x160 [ 333.029342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.034880] ? check_preemption_disabled+0x48/0x200 [ 333.039909] ? __lock_is_held+0xb5/0x140 [ 333.043976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.049539] ? check_preemption_disabled+0x48/0x200 [ 333.054566] run_timer_softirq+0x52/0xb0 [ 333.058633] ? rcu_read_lock_sched_held+0x108/0x120 [ 333.063655] __do_softirq+0x30b/0xad8 [ 333.067472] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 333.072596] ? pvclock_read_flags+0x160/0x160 [ 333.077097] ? lapic_next_event+0x5a/0x90 [ 333.081248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.086790] ? check_preemption_disabled+0x48/0x200 [ 333.091809] ? check_preemption_disabled+0x48/0x200 [ 333.096836] ? kvm_clock_read+0x18/0x30 [ 333.100824] ? kvm_sched_clock_read+0x9/0x20 [ 333.105240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.110787] ? check_preemption_disabled+0x48/0x200 [ 333.115817] irq_exit+0x17f/0x1c0 [ 333.119281] smp_apic_timer_interrupt+0x1cb/0x760 [ 333.124126] ? smp_reschedule_interrupt+0x109/0x650 [ 333.129157] ? smp_call_function_single_interrupt+0x650/0x650 [ 333.135049] ? interrupt_entry+0xb5/0xf0 [ 333.139133] ? trace_hardirqs_off_caller+0xbb/0x300 [ 333.144151] ? trace_hardirqs_off_caller+0xbb/0x300 [ 333.149174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.154028] ? trace_hardirqs_off+0x300/0x300 [ 333.158533] ? trace_hardirqs_off+0x300/0x300 [ 333.163033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.168573] ? check_preemption_disabled+0x48/0x200 [ 333.173605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.178465] apic_timer_interrupt+0xf/0x20 [ 333.182695] [ 333.184941] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 333.189900] Code: 7e 0f 85 cf fe ff ff e8 f6 bb 3e ff e9 c5 fe ff ff e8 0d 19 c3 ff 48 83 3d ad 67 b0 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 92 73 [ 333.208817] RSP: 0000:ffff8801a12f7748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 333.216548] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 333.223830] RDX: 0000000000000000 RSI: ffff8801c264ed80 RDI: 0000000000000282 [ 333.231098] RBP: ffff8801a12f77b0 R08: ffff8801c264e500 R09: 0000000000000000 [ 333.238365] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 333.245632] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 333.252943] skb_clone+0x1bb/0x500 [ 333.256490] ? skb_split+0x11e0/0x11e0 [ 333.260391] ? preempt_notifier_register+0x200/0x200 [ 333.265497] ? __switch_to_asm+0x34/0x70 [ 333.269565] ? __switch_to_asm+0x34/0x70 [ 333.273627] ? __switch_to_asm+0x40/0x70 [ 333.277714] ? __switch_to_asm+0x34/0x70 [ 333.281772] ? __switch_to_asm+0x40/0x70 [ 333.285850] ? __switch_to_asm+0x40/0x70 [ 333.289914] ? __switch_to_asm+0x34/0x70 [ 333.293980] ? __switch_to_asm+0x34/0x70 [ 333.298053] ? __switch_to_asm+0x40/0x70 [ 333.302114] ? __switch_to_asm+0x34/0x70 [ 333.306193] bpf_clone_redirect+0xb9/0x490 [ 333.310442] bpf_prog_01d53e16fc18f1d9+0x73d/0x1000 [ 333.315465] ? __sched_text_start+0x8/0x8 [ 333.319625] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 333.324396] ? find_held_lock+0x36/0x1c0 [ 333.328468] ? lock_acquire+0x1ed/0x520 [ 333.332450] ? bpf_test_run+0x32e/0x5a0 [ 333.336440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.341979] ? check_preemption_disabled+0x48/0x200 [ 333.347017] ? kasan_check_read+0x11/0x20 [ 333.351177] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 333.356465] ? rcu_bh_qs+0xc0/0xc0 [ 333.360023] ? preempt_schedule+0x4d/0x60 [ 333.364176] ? ___preempt_schedule+0x16/0x18 [ 333.368598] ? bpf_test_run+0x1c0/0x5a0 [ 333.372595] ? netlink_diag_dump+0x2a0/0x2a0 [ 333.377026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.382572] ? bpf_test_init.isra.9+0x70/0x100 [ 333.387163] ? bpf_prog_test_run_skb+0x634/0xb40 [ 333.391930] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 333.396778] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 333.402315] ? fput+0x130/0x1a0 [ 333.405600] ? __bpf_prog_get+0x9b/0x290 [ 333.409669] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 333.414522] ? bpf_prog_test_run+0x130/0x1a0 [ 333.418941] ? __x64_sys_bpf+0x3d8/0x510 [ 333.423016] ? bpf_prog_get+0x20/0x20 [ 333.426834] ? ksys_ioctl+0x81/0xd0 [ 333.430476] ? do_syscall_64+0x1b9/0x820 [ 333.434546] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 333.439916] ? syscall_return_slowpath+0x5e0/0x5e0 [ 333.444865] ? trace_hardirqs_off+0x300/0x300 [ 333.449366] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 333.454388] ? recalc_sigpending_tsk+0x180/0x180 [ 333.459159] ? kasan_check_write+0x14/0x20 [ 333.463405] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.468260] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 333.473650] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.0-rc2+ #93 [ 333.473722] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 333.480499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.480524] Workqueue: (null) (events) [ 333.480537] Call Trace: [ 333.480551] [ 333.487131] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 333.496393] dump_stack+0x1c4/0x2b4 [ 333.501219] syz-executor1 cpuset= [ 333.503799] ? dump_stack_print_info.cold.2+0x52/0x52 [ 333.505929] syz1 [ 333.516423] warn_alloc.cold.118+0xb7/0x1bd [ 333.520028] mems_allowed=0 [ 333.523477] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 333.542676] ? lock_downgrade+0x900/0x900 [ 333.546840] ? trace_hardirqs_off+0xb8/0x300 [ 333.551264] ? trace_hardirqs_off+0xb8/0x300 [ 333.555686] __alloc_pages_slowpath+0x2667/0x2d80 [ 333.560565] ? warn_alloc+0x120/0x120 [ 333.564377] ? warn_alloc+0x120/0x120 [ 333.568189] ? print_usage_bug+0xc0/0xc0 [ 333.572257] ? warn_alloc+0x120/0x120 [ 333.576066] ? print_usage_bug+0xc0/0xc0 [ 333.580134] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 333.585159] ? ktime_get+0x2e1/0x440 [ 333.588885] ? check_preemption_disabled+0x48/0x200 [ 333.593909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.599454] ? should_fail+0x22d/0xd01 [ 333.603348] ? kasan_check_read+0x11/0x20 [ 333.607505] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 333.612793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.617901] ? __lock_acquire+0x7ec/0x4ec0 [ 333.622145] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.627256] ? should_fail+0x22d/0xd01 [ 333.631164] ? mark_held_locks+0x130/0x130 [ 333.635411] ? mark_held_locks+0x130/0x130 [ 333.639651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.645204] ? graph_lock+0x170/0x170 [ 333.649012] ? mark_held_locks+0xc7/0x130 [ 333.653168] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 333.658195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.663740] ? check_preemption_disabled+0x48/0x200 [ 333.668761] ? check_preemption_disabled+0x48/0x200 [ 333.673792] ? __lock_is_held+0xb5/0x140 [ 333.677868] __alloc_pages_nodemask+0xa80/0xde0 [ 333.682541] ? graph_lock+0x170/0x170 [ 333.686348] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 333.691369] ? graph_lock+0x170/0x170 [ 333.695186] ? find_held_lock+0x36/0x1c0 [ 333.699262] ? ____cache_alloc_node+0x1c7/0x1e0 [ 333.703935] ? lock_downgrade+0x900/0x900 [ 333.708097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.713645] cache_grow_begin+0x91/0x8c0 [ 333.717716] ? do_raw_spin_unlock+0xa7/0x2f0 [ 333.722139] fallback_alloc+0x203/0x2e0 [ 333.726125] ____cache_alloc_node+0x1c7/0x1e0 [ 333.730635] kmem_cache_alloc_node+0xe3/0x730 [ 333.735140] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.740248] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 333.744847] __alloc_skb+0x119/0x770 [ 333.748572] ? calc_wheel_index+0x220/0x220 [ 333.752902] ? skb_scrub_packet+0x490/0x490 [ 333.757252] ? vprintk_default+0x28/0x30 [ 333.761320] ? vprintk_func+0x85/0x181 [ 333.765215] ? printk+0xa7/0xcf [ 333.768500] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 333.773271] new_skb+0x26/0x1c0 [ 333.776558] aoecmd_cfg+0x279/0x7f0 [ 333.780194] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 333.784538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.790077] ? check_preemption_disabled+0x48/0x200 [ 333.795093] ? check_preemption_disabled+0x48/0x200 [ 333.800129] ? __lock_is_held+0xb5/0x140 [ 333.804210] discover_timer+0x50/0x60 [ 333.808026] call_timer_fn+0x272/0x920 [ 333.811922] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.816769] ? process_timeout+0x40/0x40 [ 333.820833] ? find_held_lock+0x36/0x1c0 [ 333.824911] ? __run_timers+0x7da/0xc70 [ 333.828897] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.833394] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.837891] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.842735] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 333.847324] ? trace_hardirqs_on+0xbd/0x310 [ 333.851647] ? kasan_check_read+0x11/0x20 [ 333.855799] ? __run_timers+0x7da/0xc70 [ 333.859779] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 333.865250] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.870097] __run_timers+0x7e5/0xc70 [ 333.873915] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 333.879288] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 333.884315] ? graph_lock+0x170/0x170 [ 333.888127] ? enqueue_hrtimer+0x1a5/0x560 [ 333.892365] ? lock_release+0x970/0x970 [ 333.896343] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 333.901543] ? find_held_lock+0x36/0x1c0 [ 333.905623] ? pvclock_read_flags+0x160/0x160 [ 333.910125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.915672] ? check_preemption_disabled+0x48/0x200 [ 333.920699] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 333.926244] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 333.931525] ? rcu_pm_notify+0xc0/0xc0 [ 333.935426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.940965] ? check_preemption_disabled+0x48/0x200 [ 333.945995] run_timer_softirq+0x52/0xb0 [ 333.950072] ? rcu_read_lock_sched_held+0x108/0x120 [ 333.955098] __do_softirq+0x30b/0xad8 [ 333.958918] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 333.964037] ? pvclock_read_flags+0x160/0x160 [ 333.968536] ? lapic_next_event+0x5a/0x90 [ 333.972691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.978239] ? check_preemption_disabled+0x48/0x200 [ 333.983258] ? check_preemption_disabled+0x48/0x200 [ 333.988283] ? kvm_clock_read+0x18/0x30 [ 333.992261] ? kvm_sched_clock_read+0x9/0x20 [ 333.996678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.002228] ? check_preemption_disabled+0x48/0x200 [ 334.007272] irq_exit+0x17f/0x1c0 [ 334.010733] smp_apic_timer_interrupt+0x1cb/0x760 [ 334.015585] ? smp_call_function_single_interrupt+0x650/0x650 [ 334.021472] ? interrupt_entry+0xb5/0xf0 [ 334.026056] ? trace_hardirqs_off_caller+0xbb/0x300 [ 334.031100] ? trace_hardirqs_off_caller+0xbb/0x300 [ 334.036126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.040978] ? trace_hardirqs_off+0x300/0x300 [ 334.045489] ? trace_hardirqs_off+0x300/0x300 [ 334.050000] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.055546] ? check_preemption_disabled+0x48/0x200 [ 334.060562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.066125] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.070984] apic_timer_interrupt+0xf/0x20 [ 334.075234] [ 334.077481] RIP: 0010:_raw_spin_unlock_irq+0x56/0x80 [ 334.082592] Code: 72 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d 5b 0d b2 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 a0 4f 95 f9 65 8b 05 59 d1 41 78 85 c0 74 05 5b [ 334.101498] RSP: 0000:ffff8801d9b27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 334.109214] RAX: dffffc0000000000 RBX: ffff8801dac2cb40 RCX: 0000000000000000 [ 334.116483] RDX: 1ffffffff12e4537 RSI: 0000000000000001 RDI: ffffffff897229b8 [ 334.123757] RBP: ffff8801d9b27750 R08: ffff8801d9b18380 R09: 0000000000000000 [ 334.131029] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b18380 [ 334.138485] R13: ffff8801d8108000 R14: 0000000000000000 R15: dffffc0000000000 [ 334.145792] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.150298] finish_task_switch+0x1f5/0x900 [ 334.154622] ? finish_task_switch+0x1b5/0x900 [ 334.159124] ? __switch_to_asm+0x34/0x70 [ 334.163191] ? preempt_notifier_register+0x200/0x200 [ 334.168297] ? __switch_to_asm+0x34/0x70 [ 334.172359] ? __switch_to_asm+0x34/0x70 [ 334.176421] ? __switch_to_asm+0x40/0x70 [ 334.180485] ? __switch_to_asm+0x34/0x70 [ 334.184551] ? __switch_to_asm+0x40/0x70 [ 334.188618] ? __switch_to_asm+0x34/0x70 [ 334.192686] ? __switch_to_asm+0x40/0x70 [ 334.196752] ? __switch_to_asm+0x34/0x70 [ 334.200816] ? __switch_to_asm+0x40/0x70 [ 334.204884] ? __switch_to_asm+0x34/0x70 [ 334.208954] ? __switch_to_asm+0x40/0x70 [ 334.213020] ? __switch_to_asm+0x34/0x70 [ 334.217082] ? __switch_to_asm+0x40/0x70 [ 334.221147] ? __switch_to_asm+0x34/0x70 [ 334.225210] ? __switch_to_asm+0x40/0x70 [ 334.229287] __schedule+0x874/0x1ed0 [ 334.233017] ? lockdep_hardirqs_on+0x421/0x5c0 [ 334.237617] ? __sched_text_start+0x8/0x8 [ 334.241780] ? graph_lock+0x170/0x170 [ 334.245591] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 334.250357] ? lockdep_hardirqs_on+0x421/0x5c0 [ 334.254943] ? retint_kernel+0x2d/0x2d [ 334.258850] ? find_held_lock+0x36/0x1c0 [ 334.262926] schedule+0xfe/0x460 [ 334.266306] ? __schedule+0x1ed0/0x1ed0 [ 334.270287] ? lockdep_hardirqs_on+0x421/0x5c0 [ 334.274873] ? trace_hardirqs_on+0xbd/0x310 [ 334.279197] ? kasan_check_read+0x11/0x20 [ 334.283346] ? worker_thread+0x3ca/0x1390 [ 334.287503] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 334.292965] ? kasan_check_write+0x14/0x20 [ 334.297205] ? do_raw_spin_lock+0xc1/0x200 [ 334.301448] worker_thread+0x3cf/0x1390 [ 334.305429] ? __switch_to_asm+0x34/0x70 [ 334.309507] ? process_one_work+0x1b90/0x1b90 [ 334.314045] ? graph_lock+0x170/0x170 [ 334.317860] ? __sched_text_start+0x8/0x8 [ 334.322027] ? find_held_lock+0x36/0x1c0 [ 334.326107] ? __kthread_parkme+0xce/0x1a0 [ 334.330381] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 334.335492] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 334.340605] ? lockdep_hardirqs_on+0x421/0x5c0 [ 334.345196] ? trace_hardirqs_on+0xbd/0x310 [ 334.349516] ? kasan_check_read+0x11/0x20