workqueue 69KB 72KB [ 227.822907] ? check_preemption_disabled+0x48/0x280 [ 227.825298] task_group 5KB 7KB [ 227.830659] ? __lock_is_held+0xb5/0x140 [ 227.830675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.830697] ? check_preemption_disabled+0x48/0x280 [ 227.830744] run_timer_softirq+0x52/0xb0 [ 227.863856] page->ptl 70KB 434KB [ 227.869155] ? rcu_read_lock_sched_held+0x108/0x120 [ 227.869174] __do_softirq+0x30c/0xb03 [ 227.869198] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 227.896936] kmalloc-2097152 2050KB 2050KB [ 227.902227] ? pvclock_read_flags+0x160/0x160 [ 227.928393] kmalloc-524288 2056KB 2056KB [ 227.931428] ? lapic_next_event+0x5a/0x90 [ 227.936812] kmalloc-262144 1290KB 1290KB [ 227.939006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.944354] kmalloc-131072 650KB 650KB [ 227.946850] ? check_preemption_disabled+0x48/0x280 [ 227.946864] ? check_preemption_disabled+0x48/0x280 [ 227.946884] ? kvm_clock_read+0x18/0x30 [ 227.946900] ? kvm_sched_clock_read+0x9/0x20 [ 227.952261] kmalloc-65536 330KB 330KB [ 227.979756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.979772] ? check_preemption_disabled+0x48/0x280 [ 227.979803] irq_exit+0x17f/0x1c0 [ 227.985162] kmalloc-32768 693KB 693KB [ 227.989468] smp_apic_timer_interrupt+0x1cb/0x760 [ 227.989480] ? smp_reschedule_interrupt+0x109/0x650 [ 227.989501] ? smp_call_function_single_interrupt+0x650/0x650 [ 228.018581] kmalloc-16384 412KB 412KB [ 228.021646] ? interrupt_entry+0xb5/0xf0 [ 228.028419] kmalloc-8192 1699KB 1699KB [ 228.030367] ? trace_hardirqs_off_caller+0xbb/0x310 [ 228.035712] kmalloc-4096 5831KB 5831KB [ 228.037674] ? trace_hardirqs_off_caller+0xbb/0x310 [ 228.037698] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.037715] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.043064] kmalloc-2048 2970981KB 2970992KB [ 228.045285] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.045302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.050682] kmalloc-1024 1575110KB 1575110KB [ 228.053234] ? check_preemption_disabled+0x48/0x280 [ 228.058610] kmalloc-512 1688KB 3491KB [ 228.064623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.064645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.070023] kmalloc-256 1807KB 2325KB [ 228.072653] apic_timer_interrupt+0xf/0x20 [ 228.078029] kmalloc-128 443KB 878KB [ 228.084472] [ 228.090118] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 228.095535] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 228.101223] ksoftirqd/1 cpuset= [ 228.107721] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 228.113165] / [ 228.115920] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 228.121282] mems_allowed=0 [ 228.126376] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 229.208469] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 229.215744] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 229.223011] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 229.230283] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 229.237600] skb_clone+0x1bb/0x500 [ 229.241144] ? skb_split+0x11e0/0x11e0 [ 229.245035] ? check_preemption_disabled+0x48/0x280 [ 229.250061] ? __this_cpu_preempt_check+0x1c/0x20 [ 229.254922] ? __bpf_redirect+0x54b/0xb20 [ 229.259088] bpf_clone_redirect+0xb9/0x490 [ 229.263338] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 229.268381] ? __sched_text_start+0x8/0x8 [ 229.272551] ? find_held_lock+0x36/0x1c0 [ 229.276621] ? lock_acquire+0x1ed/0x520 [ 229.280596] ? bpf_test_run+0x3cb/0x780 [ 229.284575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.290115] ? check_preemption_disabled+0x48/0x280 [ 229.295139] ? kasan_check_read+0x11/0x20 [ 229.299291] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.304570] ? rcu_bh_qs+0xc0/0xc0 [ 229.308117] ? preempt_schedule+0x4d/0x60 [ 229.312272] ? ___preempt_schedule+0x16/0x18 [ 229.316699] ? bpf_test_run+0x25d/0x780 [ 229.320693] ? netlink_diag_dump+0x2a0/0x2a0 [ 229.325113] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.330656] ? bpf_test_init.isra.10+0x70/0x100 [ 229.335341] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 229.340114] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 229.344958] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 229.350498] ? fput+0x130/0x1a0 [ 229.353781] ? __bpf_prog_get+0x9b/0x290 [ 229.357847] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 229.362696] ? bpf_prog_test_run+0x130/0x1a0 [ 229.367119] ? __x64_sys_bpf+0x3d8/0x520 [ 229.371194] ? bpf_prog_get+0x20/0x20 [ 229.375028] ? do_syscall_64+0x1b9/0x820 [ 229.379096] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 229.384470] ? syscall_return_slowpath+0x5e0/0x5e0 [ 229.389416] ? trace_hardirqs_on_caller+0x310/0x310 [ 229.394448] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 229.399478] ? recalc_sigpending_tsk+0x180/0x180 [ 229.404240] ? kasan_check_write+0x14/0x20 [ 229.408486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.413343] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.418742] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 229.418810] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 229.425675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.425684] Call Trace: [ 229.432260] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 229.441544] dump_stack+0x1c4/0x2b6 [ 229.444106] syz-executor0 cpuset= [ 229.454603] ? dump_stack_print_info.cold.1+0x20/0x20 [ 229.458203] syz0 [ 229.461667] warn_alloc.cold.119+0xb7/0x1bd [ 229.466820] mems_allowed=0 [ 229.468789] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 229.480847] ? lock_downgrade+0x900/0x900 [ 229.485010] ? trace_hardirqs_off+0xb8/0x310 [ 229.489430] ? trace_hardirqs_off+0xb8/0x310 [ 229.493852] __alloc_pages_slowpath+0x265e/0x2d70 [ 229.498729] ? warn_alloc+0x120/0x120 [ 229.502543] ? warn_alloc+0x120/0x120 [ 229.506351] ? print_usage_bug+0xc0/0xc0 [ 229.510424] ? warn_alloc+0x120/0x120 [ 229.514229] ? print_usage_bug+0xc0/0xc0 [ 229.518305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.523846] ? should_fail+0x22d/0xd01 [ 229.527736] ? lock_downgrade+0x900/0x900 [ 229.531888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.536993] ? __lock_acquire+0x7ec/0x4ec0 [ 229.541234] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.546336] ? __lock_acquire+0x7ec/0x4ec0 [ 229.550583] ? should_fail+0x22d/0xd01 [ 229.554485] ? mark_held_locks+0x130/0x130 [ 229.558728] ? mark_held_locks+0x130/0x130 [ 229.562969] ? select_task_rq_fair+0x7ab/0x33a0 [ 229.567640] ? lock_downgrade+0x900/0x900 [ 229.571797] ? check_preemption_disabled+0x48/0x280 [ 229.576815] ? graph_lock+0x170/0x170 [ 229.580619] ? print_usage_bug+0xc0/0xc0 [ 229.584681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.590253] ? check_preemption_disabled+0x48/0x280 [ 229.595270] ? check_preemption_disabled+0x48/0x280 [ 229.600298] ? __lock_is_held+0xb5/0x140 [ 229.604380] __alloc_pages_nodemask+0xa80/0xde0 [ 229.609050] ? graph_lock+0x170/0x170 [ 229.612859] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 229.617884] ? graph_lock+0x170/0x170 [ 229.621704] ? find_held_lock+0x36/0x1c0 [ 229.625778] ? ____cache_alloc_node+0x1c7/0x1e0 [ 229.630452] ? lock_downgrade+0x900/0x900 [ 229.634609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.640157] cache_grow_begin+0x91/0x8c0 [ 229.644225] ? do_raw_spin_unlock+0xa7/0x330 [ 229.648643] fallback_alloc+0x203/0x2e0 [ 229.652630] ____cache_alloc_node+0x1c7/0x1e0 [ 229.657139] kmem_cache_alloc_node+0xe3/0x730 [ 229.661637] ? ipv6_get_ifaddr+0x42e/0x620 [ 229.665886] __alloc_skb+0x119/0x770 [ 229.669603] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.674886] ? skb_scrub_packet+0x490/0x490 [ 229.679217] ? lock_downgrade+0x900/0x900 [ 229.683387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.688932] ? refcount_sub_and_test_checked+0x203/0x310 [ 229.694425] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 229.699876] ? addrconf_rs_timer+0x690/0x690 [ 229.704300] ndisc_alloc_skb+0x144/0x340 [ 229.708371] ndisc_send_rs+0x331/0x6e0 [ 229.712309] addrconf_rs_timer+0x314/0x690 [ 229.716554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.720807] call_timer_fn+0x272/0x920 [ 229.724696] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.728940] ? process_timeout+0x40/0x40 [ 229.733003] ? find_held_lock+0x36/0x1c0 [ 229.737079] ? __run_timers+0x7da/0xc70 [ 229.741061] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.745559] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.750057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.754787] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 229.759385] ? trace_hardirqs_on+0xbd/0x310 [ 229.763714] ? kasan_check_read+0x11/0x20 [ 229.767868] ? __run_timers+0x7da/0xc70 [ 229.771858] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.777321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.781556] __run_timers+0x7e5/0xc70 [ 229.785385] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 229.790760] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.795261] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.799758] ? lockdep_hardirqs_on+0x421/0x5c0 [ 229.804348] ? trace_hardirqs_on+0xbd/0x310 [ 229.808695] ? kasan_check_read+0x11/0x20 [ 229.812848] ? finish_task_switch+0x1f4/0x910 [ 229.817365] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.822819] ? compat_start_thread+0x80/0x80 [ 229.827236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.832780] ? _raw_spin_unlock_irq+0x60/0x80 [ 229.837284] ? pvclock_read_flags+0x160/0x160 [ 229.841780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.847324] ? check_preemption_disabled+0x48/0x280 [ 229.852367] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 229.857911] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.863196] ? rcu_pm_notify+0xc0/0xc0 [ 229.867087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.872627] ? check_preemption_disabled+0x48/0x280 [ 229.877657] run_timer_softirq+0x52/0xb0 [ 229.881720] ? rcu_read_lock_sched_held+0x108/0x120 [ 229.886741] __do_softirq+0x30c/0xb03 [ 229.890555] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 229.895664] ? trace_hardirqs_off+0x310/0x310 [ 229.900170] ? trace_hardirqs_on+0x310/0x310 [ 229.904595] ? schedule+0x108/0x460 [ 229.908229] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 229.913000] ? trace_hardirqs_off+0xb8/0x310 [ 229.917414] ? smpboot_thread_fn+0x68b/0xa00 [ 229.921829] ? trace_hardirqs_on+0x310/0x310 [ 229.926245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.931790] ? check_preemption_disabled+0x48/0x280 [ 229.936814] ? takeover_tasklets+0xa90/0xa90 [ 229.941227] run_ksoftirqd+0x94/0x100 [ 229.945035] smpboot_thread_fn+0x68b/0xa00 [ 229.949281] ? sort_range+0x30/0x30 [ 229.952914] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 229.958024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.963570] ? __kthread_parkme+0xfb/0x1a0 [ 229.967816] kthread+0x35a/0x420 [ 229.971203] ? sort_range+0x30/0x30 [ 229.974829] ? kthread_bind+0x40/0x40 [ 229.978640] ret_from_fork+0x3a/0x50 [ 229.982417] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 229.982422] warn_alloc_show_mem: 1 callbacks suppressed [ 229.982429] Mem-Info: [ 229.989790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.995161] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 229.995161] active_file:11 inactive_file:12 isolated_file:0 [ 229.995161] unevictable:0 dirty:0 writeback:0 unstable:0 [ 229.995161] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 229.995161] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 229.995161] free:13647 free_pcp:360 free_cma:0 [ 229.997532] Call Trace: [ 230.006919] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 230.039935] [ 230.042510] Node 0 [ 230.070178] dump_stack+0x1c4/0x2b6 [ 230.072334] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 230.074545] ? dump_stack_print_info.cold.1+0x20/0x20 [ 230.078137] lowmem_reserve[]: 0 [ 230.103655] warn_alloc.cold.119+0xb7/0x1bd [ 230.108813] 2819 [ 230.112088] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 230.116390] 6323 [ 230.118453] ? lock_downgrade+0x900/0x900 [ 230.123272] 6323 [ 230.125336] ? trace_hardirqs_off+0xb8/0x310 [ 230.131516] ? trace_hardirqs_off+0xb8/0x310 [ 230.135896] Node 0 DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 230.140333] __alloc_pages_slowpath+0x265e/0x2d70 [ 230.140384] ? warn_alloc+0x120/0x120 [ 230.167667] lowmem_reserve[]: [ 230.172522] ? trace_hardirqs_on+0x310/0x310 [ 230.176295] 0 [ 230.179403] ? warn_alloc+0x120/0x120 [ 230.183788] 0 3503 [ 230.185607] ? print_usage_bug+0xc0/0xc0 [ 230.189381] 3503 [ 230.191624] ? warn_alloc+0x120/0x120 [ 230.195659] Node 0 [ 230.197720] ? ktime_get+0x2e1/0x440 [ 230.201520] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 230.203726] ? print_usage_bug+0xc0/0xc0 [ 230.207409] lowmem_reserve[]: 0 [ 230.235873] ? __lock_acquire+0x7ec/0x4ec0 [ 230.239908] 0 [ 230.243180] ? __lock_acquire+0x7ec/0x4ec0 [ 230.247395] 0 [ 230.249194] ? kasan_check_read+0x11/0x20 [ 230.253404] 0 [ 230.255208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.259335] Node 0 [ 230.261141] ? should_fail+0x22d/0xd01 [ 230.266649] DMA: [ 230.268884] ? rcu_bh_qs+0xc0/0xc0 [ 230.272744] 1*4kB [ 230.274798] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.278316] (U) [ 230.280459] ? __lock_acquire+0x7ec/0x4ec0 [ 230.285539] 0*8kB [ 230.287512] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.291718] 0*16kB 1*32kB [ 230.293874] ? __lock_acquire+0x7ec/0x4ec0 [ 230.298951] (U) [ 230.301790] ? should_fail+0x22d/0xd01 [ 230.306000] 2*64kB [ 230.307968] ? rcu_idle_enter+0x4b0/0x4b0 [ 230.311832] (U) [ 230.314065] ? mark_held_locks+0x130/0x130 [ 230.318184] 1*128kB [ 230.320157] ? mark_held_locks+0x130/0x130 [ 230.324376] (U) [ 230.326705] ? mark_held_locks+0xc7/0x130 [ 230.330909] 1*256kB [ 230.332880] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 230.337004] (U) [ 230.339326] ? graph_lock+0x170/0x170 [ 230.344321] 0*512kB [ 230.346289] ? print_usage_bug+0xc0/0xc0 [ 230.350070] 1*1024kB [ 230.352394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.356428] (U) [ 230.358836] ? check_preemption_disabled+0x48/0x280 [ 230.364340] 1*2048kB (M) [ 230.366333] ? check_preemption_disabled+0x48/0x280 [ 230.371323] 3*4096kB [ 230.374080] ? __lock_is_held+0xb5/0x140 [ 230.379063] (M) [ 230.381473] __alloc_pages_nodemask+0xa80/0xde0 [ 230.385506] = 15908kB [ 230.385514] Node 0 [ 230.387488] ? graph_lock+0x170/0x170 [ 230.392135] DMA32: [ 230.394538] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 230.396751] 4*4kB [ 230.400543] ? graph_lock+0x170/0x170 [ 230.402756] (UM) [ 230.407773] ? find_held_lock+0x36/0x1c0 [ 230.409893] 2*8kB [ 230.413716] ? ____cache_alloc_node+0x1c7/0x1e0 [ 230.415743] (UM) 2*16kB [ 230.419808] ? lock_downgrade+0x900/0x900 [ 230.421934] (M) [ 230.426600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.429244] 3*32kB [ 230.433395] cache_grow_begin+0x91/0x8c0 [ 230.435346] (UM) [ 230.440885] ? do_raw_spin_unlock+0xa7/0x330 [ 230.443100] 4*64kB [ 230.447157] fallback_alloc+0x203/0x2e0 [ 230.449228] (M) [ 230.453634] ____cache_alloc_node+0x1c7/0x1e0 [ 230.455847] 4*128kB [ 230.459818] kmem_cache_alloc_node+0xe3/0x730 [ 230.461764] (UM) 3*256kB [ 230.466262] ? ipv6_get_ifaddr+0x42e/0x620 [ 230.468553] (M) 3*512kB [ 230.473055] __alloc_skb+0x119/0x770 [ 230.475784] (M) [ 230.480027] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.482672] 3*1024kB [ 230.486390] ? skb_scrub_packet+0x490/0x490 [ 230.488339] (UM) [ 230.493619] ? lock_downgrade+0x900/0x900 [ 230.496001] 3*2048kB (M) [ 230.500330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.502408] 3*4096kB [ 230.506549] ? refcount_sub_and_test_checked+0x203/0x310 [ 230.509279] (M) = 24736kB [ 230.514823] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 230.517210] Node 0 [ 230.522655] ? addrconf_rs_timer+0x690/0x690 [ 230.525388] Normal: [ 230.530842] ndisc_alloc_skb+0x144/0x340 [ 230.533050] 592*4kB [ 230.537456] ndisc_send_rs+0x331/0x6e0 [ 230.539757] (UMEH) [ 230.543812] addrconf_rs_timer+0x314/0x690 [ 230.546107] 405*8kB (UMEH) [ 230.550004] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.552222] 177*16kB [ 230.556461] call_timer_fn+0x272/0x920 [ 230.559365] (UME) [ 230.563592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.565981] 103*32kB [ 230.569862] ? process_timeout+0x40/0x40 [ 230.571989] (UMH) [ 230.576222] ? find_held_lock+0x36/0x1c0 [ 230.578610] 15*64kB [ 230.582666] ? __run_timers+0x7da/0xc70 [ 230.584790] (UMH) [ 230.588847] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.591143] 0*128kB 1*256kB [ 230.595122] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.597247] (H) [ 230.601738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.604736] 0*512kB [ 230.609222] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 230.611176] 1*1024kB [ 230.615404] ? trace_hardirqs_on+0xbd/0x310 [ 230.617709] (H) [ 230.622754] ? kasan_check_read+0x11/0x20 [ 230.625144] 0*2048kB [ 230.629463] ? __run_timers+0x7da/0xc70 [ 230.631422] 0*4096kB [ 230.635563] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.637953] = 13976kB [ 230.641920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.644320] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 230.649762] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.652158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 230.656386] __run_timers+0x7e5/0xc70 [ 230.665223] 1241 total pagecache pages [ 230.669490] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 230.678042] 0 pages in swap cache [ 230.681833] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 230.685697] Swap cache stats: add 0, delete 0, find 0/0 [ 230.685706] Free swap = 0kB [ 230.691063] ? graph_lock+0x170/0x170 [ 230.694500] Total swap = 0kB [ 230.699515] ? enqueue_hrtimer+0x1a5/0x560 [ 230.704855] 1965979 pages RAM [ 230.707884] ? lock_release+0x970/0x970 [ 230.711663] 0 pages HighMem/MovableOnly [ 230.714674] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 230.718890] 342306 pages reserved [ 230.721991] ? find_held_lock+0x36/0x1c0 [ 230.725940] 0 pages cma reserved [ 230.729906] ? graph_lock+0x170/0x170 [ 230.735143] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 230.738519] ? pvclock_read_flags+0x160/0x160 [ 230.738535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.738555] ? check_preemption_disabled+0x48/0x280 [ 230.742655] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 230.745968] ? __lock_is_held+0xb5/0x140 [ 230.749744] ksoftirqd/1 cpuset= [ 230.756234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.760703] / mems_allowed=0 [ 230.766249] ? check_preemption_disabled+0x48/0x280 [ 230.802421] run_timer_softirq+0x52/0xb0 [ 230.806490] ? rcu_read_lock_sched_held+0x108/0x120 [ 230.811511] __do_softirq+0x30c/0xb03 [ 230.815326] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 230.820448] ? pvclock_read_flags+0x160/0x160 [ 230.824942] ? lapic_next_event+0x5a/0x90 [ 230.829097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.834642] ? check_preemption_disabled+0x48/0x280 [ 230.839659] ? check_preemption_disabled+0x48/0x280 [ 230.844694] ? kvm_clock_read+0x18/0x30 [ 230.848673] ? kvm_sched_clock_read+0x9/0x20 [ 230.853090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.858664] ? check_preemption_disabled+0x48/0x280 [ 230.863706] irq_exit+0x17f/0x1c0 [ 230.867166] smp_apic_timer_interrupt+0x1cb/0x760 [ 230.872007] ? smp_reschedule_interrupt+0x109/0x650 [ 230.877028] ? smp_call_function_single_interrupt+0x650/0x650 [ 230.882916] ? interrupt_entry+0xb5/0xf0 [ 230.886982] ? trace_hardirqs_off_caller+0xbb/0x310 [ 230.891998] ? trace_hardirqs_off_caller+0xbb/0x310 [ 230.897021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.901866] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.906886] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.911911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.917456] ? check_preemption_disabled+0x48/0x280 [ 230.922476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.928023] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.932880] apic_timer_interrupt+0xf/0x20 [ 230.937109] [ 230.939389] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 230.944321] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 230.963224] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 230.970937] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 230.978207] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 230.985475] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 230.992744] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 231.000016] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 231.007332] skb_clone+0x1bb/0x500 [ 231.010885] ? skb_split+0x11e0/0x11e0 [ 231.014778] ? check_preemption_disabled+0x48/0x280 [ 231.019803] ? __this_cpu_preempt_check+0x1c/0x20 [ 231.024651] ? __bpf_redirect+0x54b/0xb20 [ 231.028814] bpf_clone_redirect+0xb9/0x490 [ 231.033062] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 231.038089] ? __sched_text_start+0x8/0x8 [ 231.042254] ? find_held_lock+0x36/0x1c0 [ 231.046327] ? lock_acquire+0x1ed/0x520 [ 231.050313] ? bpf_test_run+0x3cb/0x780 [ 231.054292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.059830] ? check_preemption_disabled+0x48/0x280 [ 231.064857] ? kasan_check_read+0x11/0x20 [ 231.069008] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.074289] ? rcu_bh_qs+0xc0/0xc0 [ 231.077836] ? preempt_schedule+0x4d/0x60 [ 231.081988] ? ___preempt_schedule+0x16/0x18 [ 231.086404] ? bpf_test_run+0x25d/0x780 [ 231.090403] ? netlink_diag_dump+0x2a0/0x2a0 [ 231.094874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.100414] ? bpf_test_init.isra.10+0x70/0x100 [ 231.105092] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 231.109856] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 231.114704] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 231.120242] ? fput+0x130/0x1a0 [ 231.123524] ? __bpf_prog_get+0x9b/0x290 [ 231.127589] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 231.132434] ? bpf_prog_test_run+0x130/0x1a0 [ 231.136850] ? __x64_sys_bpf+0x3d8/0x520 [ 231.140911] ? bpf_prog_get+0x20/0x20 [ 231.144736] ? do_syscall_64+0x1b9/0x820 [ 231.148799] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 231.154167] ? syscall_return_slowpath+0x5e0/0x5e0 [ 231.159100] ? trace_hardirqs_on_caller+0x310/0x310 [ 231.164117] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 231.169137] ? recalc_sigpending_tsk+0x180/0x180 [ 231.173897] ? kasan_check_write+0x14/0x20 [ 231.178141] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.182996] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 231.188390] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 231.188460] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.195316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.195325] Call Trace: [ 231.201964] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.211154] dump_stack+0x1c4/0x2b6 [ 231.213716] syz-executor0 cpuset= [ 231.224201] ? dump_stack_print_info.cold.1+0x20/0x20 [ 231.227799] syz0 [ 231.231259] warn_alloc.cold.119+0xb7/0x1bd [ 231.236417] mems_allowed=0 [ 231.238562] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.250618] ? lock_downgrade+0x900/0x900 [ 231.254781] ? trace_hardirqs_off+0xb8/0x310 [ 231.259205] ? trace_hardirqs_off+0xb8/0x310 [ 231.263644] __alloc_pages_slowpath+0x265e/0x2d70 [ 231.268520] ? warn_alloc+0x120/0x120 [ 231.272333] ? warn_alloc+0x120/0x120 [ 231.276145] ? print_usage_bug+0xc0/0xc0 [ 231.280216] ? warn_alloc+0x120/0x120 [ 231.284018] ? print_usage_bug+0xc0/0xc0 [ 231.288087] ? __lock_acquire+0x7ec/0x4ec0 [ 231.292321] ? __lock_acquire+0x7ec/0x4ec0 [ 231.296560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.302099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.307637] ? should_fail+0x22d/0xd01 [ 231.311530] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.316635] ? __lock_acquire+0x7ec/0x4ec0 [ 231.320875] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.325980] ? __lock_acquire+0x7ec/0x4ec0 [ 231.330219] ? should_fail+0x22d/0xd01 [ 231.334132] ? mark_held_locks+0x130/0x130 [ 231.338380] ? mark_held_locks+0x130/0x130 [ 231.342623] ? graph_lock+0x170/0x170 [ 231.346425] ? print_usage_bug+0xc0/0xc0 [ 231.350494] ? graph_lock+0x170/0x170 [ 231.354297] ? print_usage_bug+0xc0/0xc0 [ 231.358369] ? wq_watchdog_touch+0x9c/0xfe [ 231.362609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.368157] ? check_preemption_disabled+0x48/0x280 [ 231.373181] ? check_preemption_disabled+0x48/0x280 [ 231.378222] ? __lock_is_held+0xb5/0x140 [ 231.382297] __alloc_pages_nodemask+0xa80/0xde0 [ 231.386973] ? graph_lock+0x170/0x170 [ 231.390782] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 231.395799] ? graph_lock+0x170/0x170 [ 231.399618] ? find_held_lock+0x36/0x1c0 [ 231.403692] ? ____cache_alloc_node+0x1c7/0x1e0 [ 231.408375] ? lock_downgrade+0x900/0x900 [ 231.412550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.418099] cache_grow_begin+0x91/0x8c0 [ 231.422163] ? do_raw_spin_unlock+0xa7/0x330 [ 231.426591] fallback_alloc+0x203/0x2e0 [ 231.430573] ____cache_alloc_node+0x1c7/0x1e0 [ 231.435080] kmem_cache_alloc_node+0xe3/0x730 [ 231.439583] ? ipv6_get_ifaddr+0x42e/0x620 [ 231.443830] __alloc_skb+0x119/0x770 [ 231.447547] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.452830] ? skb_scrub_packet+0x490/0x490 [ 231.457158] ? lock_downgrade+0x900/0x900 [ 231.461322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.466861] ? refcount_sub_and_test_checked+0x203/0x310 [ 231.472329] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 231.477789] ? addrconf_rs_timer+0x690/0x690 [ 231.482221] ndisc_alloc_skb+0x144/0x340 [ 231.486295] ndisc_send_rs+0x331/0x6e0 [ 231.490200] addrconf_rs_timer+0x314/0x690 [ 231.494466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.498720] call_timer_fn+0x272/0x920 [ 231.502615] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.506868] ? process_timeout+0x40/0x40 [ 231.510944] ? find_held_lock+0x36/0x1c0 [ 231.515023] ? __run_timers+0x7da/0xc70 [ 231.519011] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.523516] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.528018] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.532263] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 231.536851] ? trace_hardirqs_on+0xbd/0x310 [ 231.541187] ? kasan_check_read+0x11/0x20 [ 231.545349] ? __run_timers+0x7da/0xc70 [ 231.549337] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.554807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.559049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.563302] __run_timers+0x7e5/0xc70 [ 231.567126] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 231.572494] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.576990] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.581493] ? lockdep_hardirqs_on+0x421/0x5c0 [ 231.586096] ? trace_hardirqs_on+0xbd/0x310 [ 231.590426] ? kasan_check_read+0x11/0x20 [ 231.594578] ? finish_task_switch+0x1f4/0x910 [ 231.599077] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.604529] ? compat_start_thread+0x80/0x80 [ 231.608945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.614497] ? _raw_spin_unlock_irq+0x60/0x80 [ 231.619002] ? pvclock_read_flags+0x160/0x160 [ 231.623503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.629049] ? check_preemption_disabled+0x48/0x280 [ 231.634081] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 231.639636] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.644916] ? rcu_pm_notify+0xc0/0xc0 [ 231.648812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.654376] ? check_preemption_disabled+0x48/0x280 [ 231.659427] run_timer_softirq+0x52/0xb0 [ 231.663495] ? rcu_read_lock_sched_held+0x108/0x120 [ 231.668518] __do_softirq+0x30c/0xb03 [ 231.672335] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 231.677454] ? trace_hardirqs_off+0x310/0x310 [ 231.681958] ? trace_hardirqs_on+0x310/0x310 [ 231.686385] ? schedule+0x108/0x460 [ 231.690018] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.694789] ? trace_hardirqs_off+0xb8/0x310 [ 231.699245] ? smpboot_thread_fn+0x68b/0xa00 [ 231.703656] ? trace_hardirqs_on+0x310/0x310 [ 231.708072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.713617] ? check_preemption_disabled+0x48/0x280 [ 231.718640] ? takeover_tasklets+0xa90/0xa90 [ 231.723061] run_ksoftirqd+0x94/0x100 [ 231.726867] smpboot_thread_fn+0x68b/0xa00 [ 231.731117] ? sort_range+0x30/0x30 [ 231.734756] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 231.739869] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.745413] ? __kthread_parkme+0xfb/0x1a0 [ 231.749659] kthread+0x35a/0x420 [ 231.753030] ? sort_range+0x30/0x30 [ 231.757129] ? kthread_bind+0x40/0x40 [ 231.760951] ret_from_fork+0x3a/0x50 [ 231.764682] warn_alloc_show_mem: 1 callbacks suppressed [ 231.764700] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 231.764701] Mem-Info: [ 231.764733] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 231.764733] active_file:11 inactive_file:12 isolated_file:0 [ 231.764733] unevictable:0 dirty:0 writeback:0 unstable:0 [ 231.764733] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 231.764733] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 231.764733] free:13647 free_pcp:360 free_cma:0 [ 231.770064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.770073] Call Trace: [ 231.777460] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 231.779858] [ 231.812907] Node 0 [ 231.822289] dump_stack+0x1c4/0x2b6 [ 231.824862] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 231.852526] ? dump_stack_print_info.cold.1+0x20/0x20 [ 231.854649] lowmem_reserve[]: [ 231.856888] warn_alloc.cold.119+0xb7/0x1bd [ 231.860476] 0 2819 [ 231.886018] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.891179] 6323 6323 [ 231.894292] ? lock_downgrade+0x900/0x900 [ 231.900827] ? trace_hardirqs_off+0xb8/0x310 [ 231.905646] Node 0 [ 231.908140] ? trace_hardirqs_off+0xb8/0x310 [ 231.912288] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 231.916676] __alloc_pages_slowpath+0x265e/0x2d70 [ 231.918883] lowmem_reserve[]: [ 231.923309] ? warn_alloc+0x120/0x120 [ 231.950419] 0 0 [ 231.955286] ? trace_hardirqs_on+0x310/0x310 [ 231.958353] 3503 3503 [ 231.962165] ? warn_alloc+0x120/0x120 [ 231.964119] Node 0 [ 231.968529] ? print_usage_bug+0xc0/0xc0 [ 231.971026] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 231.974793] ? warn_alloc+0x120/0x120 [ 231.977001] lowmem_reserve[]: 0 [ 231.981066] ? ktime_get+0x2e1/0x440 [ 232.009503] 0 0 [ 232.013325] ? print_usage_bug+0xc0/0xc0 [ 232.016575] 0 [ 232.020285] ? __lock_acquire+0x7ec/0x4ec0 [ 232.026294] ? __lock_acquire+0x7ec/0x4ec0 [ 232.028073] Node 0 [ 232.032310] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.036520] DMA: [ 232.038754] ? should_fail+0x22d/0xd01 [ 232.044276] 1*4kB [ 232.046346] ? __lock_acquire+0x7ec/0x4ec0 [ 232.050211] (U) [ 232.052372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.056579] 0*8kB [ 232.058581] ? __lock_acquire+0x7ec/0x4ec0 [ 232.063653] 0*16kB 1*32kB [ 232.065814] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.070021] (U) [ 232.072858] ? __lock_acquire+0x7ec/0x4ec0 [ 232.072874] ? should_fail+0x22d/0xd01 [ 232.077955] 2*64kB [ 232.079929] ? mark_held_locks+0x130/0x130 [ 232.084134] (U) [ 232.088015] ? mark_held_locks+0x130/0x130 [ 232.090232] 1*128kB [ 232.094462] ? graph_lock+0x170/0x170 [ 232.096414] (U) [ 232.100645] ? print_usage_bug+0xc0/0xc0 [ 232.102946] 1*256kB [ 232.106741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.108697] (U) [ 232.112768] ? check_preemption_disabled+0x48/0x280 [ 232.115055] 0*512kB 1*1024kB [ 232.120596] ? check_preemption_disabled+0x48/0x280 [ 232.122551] (U) [ 232.127574] ? __lock_is_held+0xb5/0x140 [ 232.130653] 1*2048kB [ 232.135668] __alloc_pages_nodemask+0xa80/0xde0 [ 232.137619] (M) [ 232.141715] ? graph_lock+0x170/0x170 [ 232.144098] 3*4096kB [ 232.148763] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 232.150716] (M) [ 232.154510] ? graph_lock+0x170/0x170 [ 232.156907] = 15908kB [ 232.161920] ? find_held_lock+0x36/0x1c0 [ 232.163866] Node 0 [ 232.167670] ? ____cache_alloc_node+0x1c7/0x1e0 [ 232.170050] DMA32: [ 232.174107] ? lock_downgrade+0x900/0x900 [ 232.176318] 4*4kB [ 232.180987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.183214] (UM) [ 232.187372] cache_grow_begin+0x91/0x8c0 [ 232.189494] 2*8kB (UM) [ 232.195042] ? do_raw_spin_unlock+0xa7/0x330 [ 232.197106] 2*16kB (M) [ 232.201181] fallback_alloc+0x203/0x2e0 [ 232.203740] 3*32kB [ 232.208149] ____cache_alloc_node+0x1c7/0x1e0 [ 232.210694] (UM) 4*64kB [ 232.214675] kmem_cache_alloc_node+0xe3/0x730 [ 232.216884] (M) [ 232.221379] ? ipv6_get_ifaddr+0x42e/0x620 [ 232.224029] 4*128kB [ 232.228522] __alloc_skb+0x119/0x770 [ 232.230473] (UM) [ 232.234710] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.237002] 3*256kB [ 232.240716] ? skb_scrub_packet+0x490/0x490 [ 232.242757] (M) [ 232.248028] ? lock_downgrade+0x900/0x900 [ 232.250330] 3*512kB [ 232.254650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.256599] (M) [ 232.260743] ? refcount_sub_and_test_checked+0x203/0x310 [ 232.263046] 3*1024kB [ 232.268575] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 232.270526] (UM) [ 232.275972] ? addrconf_rs_timer+0x690/0x690 [ 232.278357] 3*2048kB [ 232.283813] ndisc_alloc_skb+0x144/0x340 [ 232.285845] (M) [ 232.290248] ndisc_send_rs+0x331/0x6e0 [ 232.292629] 3*4096kB (M) [ 232.296783] addrconf_rs_timer+0x314/0x690 [ 232.298736] = 24736kB [ 232.302625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.305368] Node 0 [ 232.309603] call_timer_fn+0x272/0x920 [ 232.311984] Normal: [ 232.316216] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.318434] 592*4kB [ 232.322315] ? process_timeout+0x40/0x40 [ 232.324613] (UMEH) [ 232.328847] ? find_held_lock+0x36/0x1c0 [ 232.331148] 405*8kB [ 232.335212] ? __run_timers+0x7da/0xc70 [ 232.337437] (UMEH) [ 232.341494] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.343794] 177*16kB [ 232.347763] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.349974] (UME) [ 232.354467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.356850] 103*32kB (UMH) [ 232.361386] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 232.363528] 15*64kB [ 232.367784] ? trace_hardirqs_on+0xbd/0x310 [ 232.370685] (UMH) [ 232.375267] ? kasan_check_read+0x11/0x20 [ 232.375285] ? __run_timers+0x7da/0xc70 [ 232.377588] 0*128kB [ 232.381902] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.384026] 1*256kB [ 232.388175] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 232.392117] (H) [ 232.394444] __run_timers+0x7e5/0xc70 [ 232.399868] 0*512kB [ 232.402197] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 232.406409] 1*1024kB [ 232.408402] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 232.412174] (H) [ 232.414496] ? graph_lock+0x170/0x170 [ 232.419842] 0*2048kB [ 232.422263] ? enqueue_hrtimer+0x1a5/0x560 [ 232.427268] 0*4096kB = 13976kB [ 232.429250] ? lock_release+0x970/0x970 [ 232.433031] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 232.435430] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 232.439644] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 232.442828] ? find_held_lock+0x36/0x1c0 [ 232.446781] 1241 total pagecache pages [ 232.455615] ? graph_lock+0x170/0x170 [ 232.460794] 0 pages in swap cache [ 232.469387] ? pvclock_read_flags+0x160/0x160 [ 232.473460] Swap cache stats: add 0, delete 0, find 0/0 [ 232.477339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.481116] Free swap = 0kB [ 232.484589] ? check_preemption_disabled+0x48/0x280 [ 232.489059] Total swap = 0kB [ 232.494427] ? __lock_is_held+0xb5/0x140 [ 232.499932] 1965979 pages RAM [ 232.502945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.507939] 0 pages HighMem/MovableOnly [ 232.510958] ? check_preemption_disabled+0x48/0x280 [ 232.515002] 342306 pages reserved [ 232.518110] run_timer_softirq+0x52/0xb0 [ 232.523619] 0 pages cma reserved [ 232.527590] ? rcu_read_lock_sched_held+0x108/0x120 [ 232.532654] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 232.536032] __do_softirq+0x30c/0xb03 [ 232.540169] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 232.543443] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 232.548431] ksoftirqd/1 cpuset= [ 232.554918] ? pvclock_read_flags+0x160/0x160 [ 232.558696] / [ 232.569005] ? lapic_next_event+0x5a/0x90 [ 232.574096] mems_allowed=0 [ 232.577384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.596146] ? check_preemption_disabled+0x48/0x280 [ 232.601162] ? check_preemption_disabled+0x48/0x280 [ 232.606187] ? kvm_clock_read+0x18/0x30 [ 232.610180] ? kvm_sched_clock_read+0x9/0x20 [ 232.614598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.620141] ? check_preemption_disabled+0x48/0x280 [ 232.625308] irq_exit+0x17f/0x1c0 [ 232.628772] smp_apic_timer_interrupt+0x1cb/0x760 [ 232.633614] ? smp_reschedule_interrupt+0x109/0x650 [ 232.638638] ? smp_call_function_single_interrupt+0x650/0x650 [ 232.644532] ? interrupt_entry+0xb5/0xf0 [ 232.648602] ? trace_hardirqs_off_caller+0xbb/0x310 [ 232.653620] ? trace_hardirqs_off_caller+0xbb/0x310 [ 232.658640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.663489] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.668510] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.673528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.679069] ? check_preemption_disabled+0x48/0x280 [ 232.684092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.689646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.694502] apic_timer_interrupt+0xf/0x20 [ 232.698746] [ 232.701001] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 232.705937] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 232.724852] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 232.732575] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 232.739847] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 232.747122] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 232.754396] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 232.761671] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 232.768991] skb_clone+0x1bb/0x500 [ 232.772537] ? skb_split+0x11e0/0x11e0 [ 232.776460] ? check_preemption_disabled+0x48/0x280 [ 232.781488] ? __this_cpu_preempt_check+0x1c/0x20 [ 232.786334] ? __bpf_redirect+0x54b/0xb20 [ 232.790500] bpf_clone_redirect+0xb9/0x490 [ 232.794749] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 232.799775] ? __sched_text_start+0x8/0x8 [ 232.803940] ? find_held_lock+0x36/0x1c0 [ 232.808014] ? lock_acquire+0x1ed/0x520 [ 232.811989] ? bpf_test_run+0x3cb/0x780 [ 232.815967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.821598] ? check_preemption_disabled+0x48/0x280 [ 232.826628] ? kasan_check_read+0x11/0x20 [ 232.830780] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.836061] ? rcu_bh_qs+0xc0/0xc0 [ 232.839604] ? preempt_schedule+0x4d/0x60 [ 232.843753] ? ___preempt_schedule+0x16/0x18 [ 232.848186] ? bpf_test_run+0x25d/0x780 [ 232.852173] ? netlink_diag_dump+0x2a0/0x2a0 [ 232.856589] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.862133] ? bpf_test_init.isra.10+0x70/0x100 [ 232.866815] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 232.871581] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 232.876454] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 232.881992] ? fput+0x130/0x1a0 [ 232.885274] ? __bpf_prog_get+0x9b/0x290 [ 232.889340] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 232.894220] ? bpf_prog_test_run+0x130/0x1a0 [ 232.898639] ? __x64_sys_bpf+0x3d8/0x520 [ 232.902708] ? bpf_prog_get+0x20/0x20 [ 232.906545] ? do_syscall_64+0x1b9/0x820 [ 232.910613] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 232.915980] ? syscall_return_slowpath+0x5e0/0x5e0 [ 232.920918] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.925939] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 232.930956] ? recalc_sigpending_tsk+0x180/0x180 [ 232.935722] ? kasan_check_write+0x14/0x20 [ 232.939963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.944818] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 232.950205] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 232.950271] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 232.957135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.957140] Call Trace: [ 232.957160] dump_stack+0x1c4/0x2b6 [ 232.957216] ? dump_stack_print_info.cold.1+0x20/0x20 [ 232.963730] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 232.973028] warn_alloc.cold.119+0xb7/0x1bd [ 232.975577] syz-executor0 cpuset= [ 232.979201] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 232.984371] syz0 [ 232.994854] ? lock_downgrade+0x900/0x900 [ 232.999154] mems_allowed=0 [ 233.002604] ? trace_hardirqs_off+0xb8/0x310 [ 233.020854] ? trace_hardirqs_off+0xb8/0x310 [ 233.025278] __alloc_pages_slowpath+0x265e/0x2d70 [ 233.030152] ? warn_alloc+0x120/0x120 [ 233.033966] ? warn_alloc+0x120/0x120 [ 233.037771] ? print_usage_bug+0xc0/0xc0 [ 233.041836] ? warn_alloc+0x120/0x120 [ 233.045644] ? print_usage_bug+0xc0/0xc0 [ 233.049710] ? __lock_acquire+0x7ec/0x4ec0 [ 233.053961] ? __lock_acquire+0x7ec/0x4ec0 [ 233.058203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.063742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.069285] ? should_fail+0x22d/0xd01 [ 233.073178] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.078288] ? __lock_acquire+0x7ec/0x4ec0 [ 233.082535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.087643] ? __lock_acquire+0x7ec/0x4ec0 [ 233.091878] ? should_fail+0x22d/0xd01 [ 233.095783] ? mark_held_locks+0x130/0x130 [ 233.100026] ? mark_held_locks+0x130/0x130 [ 233.104273] ? mark_held_locks+0xc7/0x130 [ 233.108421] ? print_usage_bug+0xc0/0xc0 [ 233.112482] ? graph_lock+0x170/0x170 [ 233.116331] ? print_usage_bug+0xc0/0xc0 [ 233.120405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.125947] ? check_preemption_disabled+0x48/0x280 [ 233.130967] ? check_preemption_disabled+0x48/0x280 [ 233.135998] ? __lock_is_held+0xb5/0x140 [ 233.140073] __alloc_pages_nodemask+0xa80/0xde0 [ 233.144751] ? graph_lock+0x170/0x170 [ 233.148568] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 233.153607] ? graph_lock+0x170/0x170 [ 233.157425] ? find_held_lock+0x36/0x1c0 [ 233.161499] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.166175] ? lock_downgrade+0x900/0x900 [ 233.170369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.175922] cache_grow_begin+0x91/0x8c0 [ 233.179987] ? do_raw_spin_unlock+0xa7/0x330 [ 233.184414] fallback_alloc+0x203/0x2e0 [ 233.188404] ____cache_alloc_node+0x1c7/0x1e0 [ 233.192908] kmem_cache_alloc_node+0xe3/0x730 [ 233.197406] ? ipv6_get_ifaddr+0x42e/0x620 [ 233.201656] __alloc_skb+0x119/0x770 [ 233.205388] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.210676] ? skb_scrub_packet+0x490/0x490 [ 233.215002] ? lock_downgrade+0x900/0x900 [ 233.219160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.224705] ? refcount_sub_and_test_checked+0x203/0x310 [ 233.230172] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 233.235631] ? addrconf_rs_timer+0x690/0x690 [ 233.240054] ndisc_alloc_skb+0x144/0x340 [ 233.244124] ndisc_send_rs+0x331/0x6e0 [ 233.248020] addrconf_rs_timer+0x314/0x690 [ 233.252268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.256525] call_timer_fn+0x272/0x920 [ 233.260418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.264662] ? process_timeout+0x40/0x40 [ 233.268723] ? find_held_lock+0x36/0x1c0 [ 233.272795] ? __run_timers+0x7da/0xc70 [ 233.276779] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.281277] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.285777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.290014] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 233.294604] ? trace_hardirqs_on+0xbd/0x310 [ 233.298932] ? kasan_check_read+0x11/0x20 [ 233.303084] ? __run_timers+0x7da/0xc70 [ 233.307062] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.312520] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.316762] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.321004] __run_timers+0x7e5/0xc70 [ 233.324821] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 233.330198] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.334695] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.339460] ? lockdep_hardirqs_on+0x421/0x5c0 [ 233.344048] ? trace_hardirqs_on+0xbd/0x310 [ 233.348382] ? kasan_check_read+0x11/0x20 [ 233.352533] ? finish_task_switch+0x1f4/0x910 [ 233.357030] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.362482] ? compat_start_thread+0x80/0x80 [ 233.366896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.372440] ? _raw_spin_unlock_irq+0x60/0x80 [ 233.376951] ? pvclock_read_flags+0x160/0x160 [ 233.381452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.386992] ? check_preemption_disabled+0x48/0x280 [ 233.392022] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 233.397565] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.402845] ? rcu_pm_notify+0xc0/0xc0 [ 233.406740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.412280] ? check_preemption_disabled+0x48/0x280 [ 233.417309] run_timer_softirq+0x52/0xb0 [ 233.421379] ? rcu_read_lock_sched_held+0x108/0x120 [ 233.426403] __do_softirq+0x30c/0xb03 [ 233.430222] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 233.435327] ? trace_hardirqs_off+0x310/0x310 [ 233.439834] ? trace_hardirqs_on+0x310/0x310 [ 233.444249] ? schedule+0x108/0x460 [ 233.447878] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.452645] ? trace_hardirqs_off+0xb8/0x310 [ 233.457056] ? smpboot_thread_fn+0x68b/0xa00 [ 233.461469] ? trace_hardirqs_on+0x310/0x310 [ 233.465883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.471426] ? check_preemption_disabled+0x48/0x280 [ 233.476454] ? takeover_tasklets+0xa90/0xa90 [ 233.480873] run_ksoftirqd+0x94/0x100 [ 233.484678] smpboot_thread_fn+0x68b/0xa00 [ 233.488920] ? sort_range+0x30/0x30 [ 233.492552] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.497664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.503209] ? __kthread_parkme+0xfb/0x1a0 [ 233.507455] kthread+0x35a/0x420 [ 233.510826] ? sort_range+0x30/0x30 [ 233.514452] ? kthread_bind+0x40/0x40 [ 233.518260] ret_from_fork+0x3a/0x50 [ 233.521998] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 233.522004] warn_alloc_show_mem: 1 callbacks suppressed [ 233.522011] Mem-Info: [ 233.529380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.534753] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 233.534753] active_file:11 inactive_file:12 isolated_file:0 [ 233.534753] unevictable:0 dirty:0 writeback:0 unstable:0 [ 233.534753] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 233.534753] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 233.534753] free:13647 free_pcp:360 free_cma:0 [ 233.537132] Call Trace: [ 233.546521] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 233.579553] [ 233.582131] Node 0 [ 233.609817] dump_stack+0x1c4/0x2b6 [ 233.611968] 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 [ 233.614179] ? dump_stack_print_info.cold.1+0x20/0x20 [ 233.617788] lowmem_reserve[]: [ 233.643307] warn_alloc.cold.119+0xb7/0x1bd [ 233.648479] 0 [ 233.651583] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.655881] 2819 [ 233.657677] ? lock_downgrade+0x900/0x900 [ 233.662496] 6323 [ 233.664570] ? trace_hardirqs_off+0xb8/0x310 [ 233.668689] 6323 [ 233.670757] ? trace_hardirqs_off+0xb8/0x310 [ 233.675141] Node 0 [ 233.677204] __alloc_pages_slowpath+0x265e/0x2d70 [ 233.681618] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 233.683848] ? warn_alloc+0x120/0x120 [ 233.688638] lowmem_reserve[]: 0 [ 233.715372] ? lock_release+0x970/0x970 [ 233.719147] 0 [ 233.722419] ? warn_alloc+0x120/0x120 [ 233.726369] 3503 3503 [ 233.728176] ? print_usage_bug+0xc0/0xc0 [ 233.731958] Node 0 [ 233.734452] ? warn_alloc+0x120/0x120 [ 233.738514] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 233.740751] ? print_usage_bug+0xc0/0xc0 [ 233.744523] lowmem_reserve[]: 0 [ 233.773228] ? __lock_acquire+0x7ec/0x4ec0 [ 233.777280] 0 [ 233.780552] ? __lock_acquire+0x7ec/0x4ec0 [ 233.784763] 0 [ 233.786564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.790776] 0 [ 233.792577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.799887] ? should_fail+0x22d/0xd01 [ 233.805397] Node 0 DMA: [ 233.809283] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.809300] ? __lock_acquire+0x7ec/0x4ec0 [ 233.811955] 1*4kB [ 233.817049] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.821262] (U) [ 233.823419] ? __lock_acquire+0x7ec/0x4ec0 [ 233.828501] 0*8kB [ 233.830464] ? should_fail+0x22d/0xd01 [ 233.830488] ? mark_held_locks+0x130/0x130 [ 233.834693] 0*16kB [ 233.836840] ? mark_held_locks+0x130/0x130 [ 233.840709] 1*32kB [ 233.844933] ? graph_lock+0x170/0x170 [ 233.847150] (U) [ 233.851385] ? print_usage_bug+0xc0/0xc0 [ 233.853597] 2*64kB (U) [ 233.857402] ? graph_lock+0x170/0x170 [ 233.859357] 1*128kB [ 233.863420] ? print_usage_bug+0xc0/0xc0 [ 233.865981] (U) [ 233.869779] ? wq_watchdog_touch+0x9c/0xfe [ 233.872073] 1*256kB (U) [ 233.876139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.878083] 0*512kB 1*1024kB [ 233.882320] ? check_preemption_disabled+0x48/0x280 [ 233.884964] (U) [ 233.890498] ? check_preemption_disabled+0x48/0x280 [ 233.893584] 1*2048kB [ 233.898607] ? __lock_is_held+0xb5/0x140 [ 233.900554] (M) [ 233.905569] __alloc_pages_nodemask+0xa80/0xde0 [ 233.907958] 3*4096kB [ 233.912015] ? graph_lock+0x170/0x170 [ 233.913966] (M) [ 233.918632] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 233.921020] = 15908kB [ 233.924813] ? graph_lock+0x170/0x170 [ 233.926771] Node 0 [ 233.931787] ? find_held_lock+0x36/0x1c0 [ 233.934169] DMA32: [ 233.937974] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.940184] 4*4kB [ 233.944243] ? lock_downgrade+0x900/0x900 [ 233.946484] (UM) [ 233.951149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.953277] 2*8kB [ 233.957451] cache_grow_begin+0x91/0x8c0 [ 233.959488] (UM) [ 233.965019] ? do_raw_spin_unlock+0xa7/0x330 [ 233.967141] 2*16kB (M) [ 233.971212] fallback_alloc+0x203/0x2e0 [ 233.973253] 3*32kB [ 233.977663] ____cache_alloc_node+0x1c7/0x1e0 [ 233.980216] (UM) [ 233.984189] kmem_cache_alloc_node+0xe3/0x730 [ 233.986402] 4*64kB (M) [ 233.990904] ? ipv6_get_ifaddr+0x42e/0x620 [ 233.992939] 4*128kB (UM) [ 233.997444] __alloc_skb+0x119/0x770 [ 233.999999] 3*256kB [ 234.004229] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.006957] (M) [ 234.010663] ? skb_scrub_packet+0x490/0x490 [ 234.012964] 3*512kB [ 234.018238] ? lock_downgrade+0x900/0x900 [ 234.020196] (M) [ 234.024512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.026804] 3*1024kB (UM) [ 234.030958] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.032911] 3*2048kB [ 234.038439] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.041258] (M) [ 234.046706] ? addrconf_rs_timer+0x690/0x690 [ 234.049080] 3*4096kB (M) [ 234.054540] ndisc_alloc_skb+0x144/0x340 [ 234.056485] = 24736kB [ 234.056493] Node 0 [ 234.060901] ndisc_send_rs+0x331/0x6e0 [ 234.063627] Normal: 592*4kB [ 234.067699] addrconf_rs_timer+0x314/0x690 [ 234.070079] (UMEH) [ 234.072312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.076177] 405*8kB [ 234.079199] call_timer_fn+0x272/0x920 [ 234.083400] (UMEH) [ 234.085630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.089851] 177*16kB [ 234.092169] ? process_timeout+0x40/0x40 [ 234.096030] (UME) [ 234.098261] ? find_held_lock+0x36/0x1c0 [ 234.102473] 103*32kB [ 234.104881] ? __run_timers+0x7da/0xc70 [ 234.108911] (UMH) [ 234.111059] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.115092] 15*64kB (UMH) [ 234.117505] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.121455] 0*128kB [ 234.123595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.123613] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 234.128087] 1*256kB [ 234.130926] ? trace_hardirqs_on+0xbd/0x310 [ 234.135405] (H) [ 234.137732] ? kasan_check_read+0x11/0x20 [ 234.141935] 0*512kB 1*1024kB [ 234.146523] ? __run_timers+0x7da/0xc70 [ 234.148819] (H) [ 234.153133] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.155080] 0*2048kB 0*4096kB [ 234.159232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.162318] = 13976kB [ 234.166289] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.168252] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 234.173688] __run_timers+0x7e5/0xc70 [ 234.176862] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 234.181093] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 234.183478] 1241 total pagecache pages [ 234.187711] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 234.196527] 0 pages in swap cache [ 234.200319] ? graph_lock+0x170/0x170 [ 234.208868] Swap cache stats: add 0, delete 0, find 0/0 [ 234.208877] Free swap = 0kB [ 234.214235] ? enqueue_hrtimer+0x1a5/0x560 [ 234.218093] Total swap = 0kB [ 234.218101] 1965979 pages RAM [ 234.223115] ? lock_release+0x970/0x970 [ 234.226552] 0 pages HighMem/MovableOnly [ 234.230347] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 234.235687] 342306 pages reserved [ 234.235700] 0 pages cma reserved [ 234.238718] ? find_held_lock+0x36/0x1c0 [ 234.242996] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.245935] ? graph_lock+0x170/0x170 [ 234.249107] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.252998] ? pvclock_read_flags+0x160/0x160 [ 234.256954] ksoftirqd/1 cpuset= [ 234.262140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.265567] / [ 234.268933] ? check_preemption_disabled+0x48/0x280 [ 234.272971] mems_allowed=0 [ 234.279476] ? __lock_is_held+0xb5/0x140 [ 234.320511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.326051] ? check_preemption_disabled+0x48/0x280 [ 234.331080] run_timer_softirq+0x52/0xb0 [ 234.335160] ? rcu_read_lock_sched_held+0x108/0x120 [ 234.340195] __do_softirq+0x30c/0xb03 [ 234.344007] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 234.349118] ? pvclock_read_flags+0x160/0x160 [ 234.353620] ? lapic_next_event+0x5a/0x90 [ 234.357770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.363315] ? check_preemption_disabled+0x48/0x280 [ 234.368333] ? check_preemption_disabled+0x48/0x280 [ 234.373374] ? kvm_clock_read+0x18/0x30 [ 234.377353] ? kvm_sched_clock_read+0x9/0x20 [ 234.381779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.387327] ? check_preemption_disabled+0x48/0x280 [ 234.392354] irq_exit+0x17f/0x1c0 [ 234.395820] smp_apic_timer_interrupt+0x1cb/0x760 [ 234.400667] ? smp_reschedule_interrupt+0x109/0x650 [ 234.405695] ? smp_call_function_single_interrupt+0x650/0x650 [ 234.411591] ? interrupt_entry+0xb5/0xf0 [ 234.415656] ? trace_hardirqs_off_caller+0xbb/0x310 [ 234.420675] ? trace_hardirqs_off_caller+0xbb/0x310 [ 234.425708] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.430556] ? trace_hardirqs_on_caller+0x310/0x310 [ 234.435577] ? trace_hardirqs_on_caller+0x310/0x310 [ 234.440598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.446138] ? check_preemption_disabled+0x48/0x280 [ 234.451158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.456709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.461562] apic_timer_interrupt+0xf/0x20 [ 234.465793] [ 234.468033] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 234.472967] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 234.491869] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 234.499582] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 234.506850] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 234.514294] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 234.521564] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 234.528831] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 234.536138] skb_clone+0x1bb/0x500 [ 234.539684] ? skb_split+0x11e0/0x11e0 [ 234.543582] ? check_preemption_disabled+0x48/0x280 [ 234.548607] ? __this_cpu_preempt_check+0x1c/0x20 [ 234.553452] ? __bpf_redirect+0x54b/0xb20 [ 234.557615] bpf_clone_redirect+0xb9/0x490 [ 234.561858] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 234.566885] ? __sched_text_start+0x8/0x8 [ 234.571047] ? find_held_lock+0x36/0x1c0 [ 234.575122] ? lock_acquire+0x1ed/0x520 [ 234.579097] ? bpf_test_run+0x3cb/0x780 [ 234.583080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.588624] ? check_preemption_disabled+0x48/0x280 [ 234.593651] ? kasan_check_read+0x11/0x20 [ 234.597825] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.603104] ? rcu_bh_qs+0xc0/0xc0 [ 234.606652] ? preempt_schedule+0x4d/0x60 [ 234.610803] ? ___preempt_schedule+0x16/0x18 [ 234.615223] ? bpf_test_run+0x25d/0x780 [ 234.619214] ? netlink_diag_dump+0x2a0/0x2a0 [ 234.624151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.629689] ? bpf_test_init.isra.10+0x70/0x100 [ 234.634378] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 234.639149] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 234.644002] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 234.649544] ? fput+0x130/0x1a0 [ 234.652830] ? __bpf_prog_get+0x9b/0x290 [ 234.656904] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 234.661752] ? bpf_prog_test_run+0x130/0x1a0 [ 234.666173] ? __x64_sys_bpf+0x3d8/0x520 [ 234.670247] ? bpf_prog_get+0x20/0x20 [ 234.674072] ? do_syscall_64+0x1b9/0x820 [ 234.678140] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 234.683508] ? syscall_return_slowpath+0x5e0/0x5e0 [ 234.688443] ? trace_hardirqs_on_caller+0x310/0x310 [ 234.693464] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 234.698485] ? recalc_sigpending_tsk+0x180/0x180 [ 234.703247] ? kasan_check_write+0x14/0x20 [ 234.707493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.712349] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 234.717748] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 234.717819] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.724689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.724705] Call Trace: [ 234.731319] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.740594] dump_stack+0x1c4/0x2b6 [ 234.743154] syz-executor0 cpuset= [ 234.753644] ? dump_stack_print_info.cold.1+0x20/0x20 [ 234.757242] syz0 [ 234.760704] warn_alloc.cold.119+0xb7/0x1bd [ 234.765875] mems_allowed=0 [ 234.767845] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 234.779900] ? lock_downgrade+0x900/0x900 [ 234.784067] ? trace_hardirqs_off+0xb8/0x310 [ 234.788512] ? trace_hardirqs_off+0xb8/0x310 [ 234.792948] __alloc_pages_slowpath+0x265e/0x2d70 [ 234.797842] ? warn_alloc+0x120/0x120 [ 234.801669] ? warn_alloc+0x120/0x120 [ 234.805496] ? print_usage_bug+0xc0/0xc0 [ 234.809577] ? warn_alloc+0x120/0x120 [ 234.813406] ? print_usage_bug+0xc0/0xc0 [ 234.817495] ? __lock_acquire+0x7ec/0x4ec0 [ 234.821754] ? __lock_acquire+0x7ec/0x4ec0 [ 234.826005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.831552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.837102] ? should_fail+0x22d/0xd01 [ 234.841001] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.846115] ? __lock_acquire+0x7ec/0x4ec0 [ 234.850359] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.855477] ? __lock_acquire+0x7ec/0x4ec0 [ 234.859716] ? should_fail+0x22d/0xd01 [ 234.863619] ? mark_held_locks+0x130/0x130 [ 234.867865] ? mark_held_locks+0x130/0x130 [ 234.872105] ? mark_held_locks+0xc7/0x130 [ 234.876259] ? print_usage_bug+0xc0/0xc0 [ 234.880322] ? graph_lock+0x170/0x170 [ 234.884125] ? print_usage_bug+0xc0/0xc0 [ 234.888196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.893739] ? check_preemption_disabled+0x48/0x280 [ 234.898761] ? check_preemption_disabled+0x48/0x280 [ 234.903795] ? __lock_is_held+0xb5/0x140 [ 234.907867] __alloc_pages_nodemask+0xa80/0xde0 [ 234.912541] ? graph_lock+0x170/0x170 [ 234.916351] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 234.921382] ? graph_lock+0x170/0x170 [ 234.925214] ? find_held_lock+0x36/0x1c0 [ 234.929293] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.933967] ? lock_downgrade+0x900/0x900 [ 234.938127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.943673] cache_grow_begin+0x91/0x8c0 [ 234.947740] ? do_raw_spin_unlock+0xa7/0x330 [ 234.952177] fallback_alloc+0x203/0x2e0 [ 234.956169] ____cache_alloc_node+0x1c7/0x1e0 [ 234.960675] kmem_cache_alloc_node+0xe3/0x730 [ 234.965173] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.969427] __alloc_skb+0x119/0x770 [ 234.973150] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.978432] ? skb_scrub_packet+0x490/0x490 [ 234.982755] ? lock_downgrade+0x900/0x900 [ 234.986921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.992473] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.997946] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 235.003404] ? addrconf_rs_timer+0x690/0x690 [ 235.007830] ndisc_alloc_skb+0x144/0x340 [ 235.011903] ndisc_send_rs+0x331/0x6e0 [ 235.015799] addrconf_rs_timer+0x314/0x690 [ 235.020041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.024301] call_timer_fn+0x272/0x920 [ 235.028197] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.032437] ? process_timeout+0x40/0x40 [ 235.036501] ? find_held_lock+0x36/0x1c0 [ 235.040578] ? __run_timers+0x7da/0xc70 [ 235.044560] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.049062] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.053568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.057811] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 235.062402] ? trace_hardirqs_on+0xbd/0x310 [ 235.066730] ? kasan_check_read+0x11/0x20 [ 235.070885] ? __run_timers+0x7da/0xc70 [ 235.074864] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.080417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.084667] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.088912] __run_timers+0x7e5/0xc70 [ 235.092729] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 235.098102] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.102604] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.107107] ? lockdep_hardirqs_on+0x421/0x5c0 [ 235.111692] ? trace_hardirqs_on+0xbd/0x310 [ 235.116026] ? kasan_check_read+0x11/0x20 [ 235.120182] ? finish_task_switch+0x1f4/0x910 [ 235.124695] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.130163] ? compat_start_thread+0x80/0x80 [ 235.134599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.140165] ? _raw_spin_unlock_irq+0x60/0x80 [ 235.144694] ? pvclock_read_flags+0x160/0x160 [ 235.149202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.154748] ? check_preemption_disabled+0x48/0x280 [ 235.159776] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 235.165326] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.170611] ? rcu_pm_notify+0xc0/0xc0 [ 235.174505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.180047] ? check_preemption_disabled+0x48/0x280 [ 235.185075] run_timer_softirq+0x52/0xb0 [ 235.189140] ? rcu_read_lock_sched_held+0x108/0x120 [ 235.194163] __do_softirq+0x30c/0xb03 [ 235.197985] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 235.203091] ? trace_hardirqs_off+0x310/0x310 [ 235.207590] ? trace_hardirqs_on+0x310/0x310 [ 235.212014] ? schedule+0x108/0x460 [ 235.215651] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 235.220433] ? trace_hardirqs_off+0xb8/0x310 [ 235.224851] ? smpboot_thread_fn+0x68b/0xa00 [ 235.229268] ? trace_hardirqs_on+0x310/0x310 [ 235.233684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.239229] ? check_preemption_disabled+0x48/0x280 [ 235.244255] ? takeover_tasklets+0xa90/0xa90 [ 235.248673] run_ksoftirqd+0x94/0x100 [ 235.252478] smpboot_thread_fn+0x68b/0xa00 [ 235.256725] ? sort_range+0x30/0x30 [ 235.260372] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.265482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.271022] ? __kthread_parkme+0xfb/0x1a0 [ 235.275267] kthread+0x35a/0x420 [ 235.278637] ? sort_range+0x30/0x30 [ 235.282264] ? kthread_bind+0x40/0x40 [ 235.286077] ret_from_fork+0x3a/0x50 [ 235.289814] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 235.289820] warn_alloc_show_mem: 1 callbacks suppressed [ 235.289827] Mem-Info: [ 235.297190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.302564] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 235.302564] active_file:11 inactive_file:12 isolated_file:0 [ 235.302564] unevictable:0 dirty:0 writeback:0 unstable:0 [ 235.302564] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 235.302564] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 235.302564] free:13647 free_pcp:360 free_cma:0 [ 235.304937] Call Trace: [ 235.314336] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 235.347355] [ 235.349939] Node 0 [ 235.377615] dump_stack+0x1c4/0x2b6 [ 235.379763] 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 [ 235.381972] ? dump_stack_print_info.cold.1+0x20/0x20 [ 235.385574] lowmem_reserve[]: [ 235.411086] warn_alloc.cold.119+0xb7/0x1bd [ 235.416243] 0 [ 235.419345] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 235.423642] 2819 [ 235.425439] ? lock_downgrade+0x900/0x900 [ 235.430250] 6323 6323 [ 235.432323] ? trace_hardirqs_off+0xb8/0x310 [ 235.436446] Node 0 [ 235.438939] ? trace_hardirqs_off+0xb8/0x310 [ 235.443346] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 235.445558] __alloc_pages_slowpath+0x265e/0x2d70 [ 235.449942] lowmem_reserve[]: [ 235.476677] ? warn_alloc+0x120/0x120 [ 235.481474] 0 [ 235.484579] ? trace_hardirqs_on+0x310/0x310 [ 235.488356] 0 [ 235.490162] ? warn_alloc+0x120/0x120 [ 235.494548] 3503 [ 235.496350] ? print_usage_bug+0xc0/0xc0 [ 235.500134] 3503 [ 235.502192] ? warn_alloc+0x120/0x120 [ 235.508291] ? ktime_get+0x2e1/0x440 [ 235.512066] Node 0 [ 235.515769] ? print_usage_bug+0xc0/0xc0 [ 235.515801] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 235.515808] lowmem_reserve[]: [ 235.518039] ? __lock_acquire+0x7ec/0x4ec0 [ 235.522081] 0 [ 235.550526] ? __lock_acquire+0x7ec/0x4ec0 [ 235.553611] 0 [ 235.557842] ? kasan_check_read+0x11/0x20 [ 235.559623] 0 [ 235.563852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.565622] 0 [ 235.569777] ? should_fail+0x22d/0xd01 [ 235.571556] Node 0 [ 235.577090] ? rcu_bh_qs+0xc0/0xc0 [ 235.578862] DMA: 1*4kB [ 235.582752] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.584963] (U) [ 235.588501] ? __lock_acquire+0x7ec/0x4ec0 [ 235.591062] 0*8kB [ 235.596157] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.598102] 0*16kB 1*32kB [ 235.602339] ? __lock_acquire+0x7ec/0x4ec0 [ 235.604468] (U) [ 235.609564] ? should_fail+0x22d/0xd01 [ 235.612388] 2*64kB (U) [ 235.616628] ? rcu_idle_enter+0x4b0/0x4b0 [ 235.618575] 1*128kB (U) [ 235.622471] ? mark_held_locks+0x130/0x130 [ 235.625034] 1*256kB (U) [ 235.629182] ? mark_held_locks+0x130/0x130 [ 235.631833] 0*512kB [ 235.636063] ? mark_held_locks+0xc7/0x130 [ 235.638719] 1*1024kB [ 235.642950] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 235.645249] (U) [ 235.649396] ? graph_lock+0x170/0x170 [ 235.651786] 1*2048kB [ 235.656798] ? print_usage_bug+0xc0/0xc0 [ 235.658754] (M) [ 235.662552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.664942] 3*4096kB [ 235.668999] ? check_preemption_disabled+0x48/0x280 [ 235.670947] (M) [ 235.676477] ? check_preemption_disabled+0x48/0x280 [ 235.678861] = 15908kB [ 235.678869] Node 0 [ 235.683885] ? __lock_is_held+0xb5/0x140 [ 235.685837] DMA32: [ 235.690878] __alloc_pages_nodemask+0xa80/0xde0 [ 235.693264] 4*4kB [ 235.695497] ? graph_lock+0x170/0x170 [ 235.699534] (UM) [ 235.701770] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 235.706409] 2*8kB (UM) [ 235.708563] ? graph_lock+0x170/0x170 [ 235.712343] 2*16kB [ 235.714415] ? find_held_lock+0x36/0x1c0 [ 235.719403] (M) [ 235.721990] ? ____cache_alloc_node+0x1c7/0x1e0 [ 235.725754] 3*32kB (UM) [ 235.728000] ? lock_downgrade+0x900/0x900 [ 235.732040] 4*64kB (M) [ 235.734030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.738676] 4*128kB [ 235.741346] cache_grow_begin+0x91/0x8c0 [ 235.745472] (UM) [ 235.748052] ? do_raw_spin_unlock+0xa7/0x330 [ 235.753565] 3*256kB [ 235.756022] fallback_alloc+0x203/0x2e0 [ 235.760060] (M) [ 235.762124] ____cache_alloc_node+0x1c7/0x1e0 [ 235.766509] 3*512kB [ 235.768831] kmem_cache_alloc_node+0xe3/0x730 [ 235.772775] (M) 3*1024kB [ 235.774761] ? ipv6_get_ifaddr+0x42e/0x620 [ 235.779233] (UM) [ 235.781557] __alloc_skb+0x119/0x770 [ 235.786025] 3*2048kB [ 235.788779] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 235.792984] (M) [ 235.795044] ? skb_scrub_packet+0x490/0x490 [ 235.798734] 3*4096kB [ 235.801138] ? lock_downgrade+0x900/0x900 [ 235.806392] (M) [ 235.808389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.812691] = 24736kB [ 235.815098] ? refcount_sub_and_test_checked+0x203/0x310 [ 235.815116] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 235.819240] Node 0 [ 235.821215] ? addrconf_rs_timer+0x690/0x690 [ 235.826730] Normal: [ 235.829142] ndisc_alloc_skb+0x144/0x340 [ 235.834565] 592*4kB [ 235.840009] ndisc_send_rs+0x331/0x6e0 [ 235.842223] (UMEH) [ 235.846627] addrconf_rs_timer+0x314/0x690 [ 235.848926] 405*8kB [ 235.852979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.855282] (UMEH) [ 235.859179] call_timer_fn+0x272/0x920 [ 235.861395] 177*16kB [ 235.865620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.867922] (UME) [ 235.872156] ? process_timeout+0x40/0x40 [ 235.874372] 103*32kB (UMH) [ 235.878264] ? find_held_lock+0x36/0x1c0 [ 235.880652] 15*64kB [ 235.884883] ? __run_timers+0x7da/0xc70 [ 235.887007] (UMH) [ 235.891068] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.893976] 0*128kB [ 235.898034] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.900332] 1*256kB [ 235.904301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.906428] (H) [ 235.910915] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 235.913219] 0*512kB 1*1024kB [ 235.917725] ? trace_hardirqs_on+0xbd/0x310 [ 235.920022] (H) [ 235.924253] ? kasan_check_read+0x11/0x20 [ 235.926202] 0*2048kB 0*4096kB [ 235.930787] ? __run_timers+0x7da/0xc70 [ 235.933873] = 13976kB [ 235.938186] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.940146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 235.944284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.947454] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 235.947463] 1241 total pagecache pages [ 235.951429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.953823] 0 pages in swap cache [ 235.959265] __run_timers+0x7e5/0xc70 [ 235.968084] Swap cache stats: add 0, delete 0, find 0/0 [ 235.972317] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 235.980864] Free swap = 0kB [ 235.984750] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 235.988959] Total swap = 0kB [ 235.992402] ? graph_lock+0x170/0x170 [ 235.996185] 1965979 pages RAM [ 236.001541] ? enqueue_hrtimer+0x1a5/0x560 [ 236.006876] 0 pages HighMem/MovableOnly [ 236.006885] 342306 pages reserved [ 236.009896] ? lock_release+0x970/0x970 [ 236.015060] 0 pages cma reserved [ 236.018070] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 236.021918] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 236.024946] ? find_held_lock+0x36/0x1c0 [ 236.029284] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.033134] ? graph_lock+0x170/0x170 [ 236.036566] ksoftirqd/1 cpuset= [ 236.040535] ? pvclock_read_flags+0x160/0x160 [ 236.043877] / [ 236.049063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.055537] mems_allowed=0 [ 236.059591] ? check_preemption_disabled+0x48/0x280 [ 236.096551] ? __lock_is_held+0xb5/0x140 [ 236.100616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.106156] ? check_preemption_disabled+0x48/0x280 [ 236.111187] run_timer_softirq+0x52/0xb0 [ 236.115255] ? rcu_read_lock_sched_held+0x108/0x120 [ 236.120276] __do_softirq+0x30c/0xb03 [ 236.124089] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 236.129197] ? pvclock_read_flags+0x160/0x160 [ 236.133702] ? lapic_next_event+0x5a/0x90 [ 236.137853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.143403] ? check_preemption_disabled+0x48/0x280 [ 236.148424] ? check_preemption_disabled+0x48/0x280 [ 236.153448] ? kvm_clock_read+0x18/0x30 [ 236.157425] ? kvm_sched_clock_read+0x9/0x20 [ 236.161836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.167382] ? check_preemption_disabled+0x48/0x280 [ 236.172412] irq_exit+0x17f/0x1c0 [ 236.175868] smp_apic_timer_interrupt+0x1cb/0x760 [ 236.180718] ? smp_reschedule_interrupt+0x109/0x650 [ 236.185739] ? smp_call_function_single_interrupt+0x650/0x650 [ 236.191629] ? interrupt_entry+0xb5/0xf0 [ 236.195699] ? trace_hardirqs_off_caller+0xbb/0x310 [ 236.200722] ? trace_hardirqs_off_caller+0xbb/0x310 [ 236.205743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.210593] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.215615] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.220637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.226351] ? check_preemption_disabled+0x48/0x280 [ 236.231388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.236937] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.241794] apic_timer_interrupt+0xf/0x20 [ 236.246024] [ 236.248265] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 236.253200] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 236.272100] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 236.279810] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 236.287085] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 236.294354] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 236.301651] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 236.308918] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 236.316232] skb_clone+0x1bb/0x500 [ 236.319777] ? skb_split+0x11e0/0x11e0 [ 236.323669] ? check_preemption_disabled+0x48/0x280 [ 236.328706] ? __this_cpu_preempt_check+0x1c/0x20 [ 236.333559] ? __bpf_redirect+0x54b/0xb20 [ 236.337749] bpf_clone_redirect+0xb9/0x490 [ 236.342011] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 236.347037] ? __sched_text_start+0x8/0x8 [ 236.351202] ? find_held_lock+0x36/0x1c0 [ 236.355273] ? lock_acquire+0x1ed/0x520 [ 236.359252] ? bpf_test_run+0x3cb/0x780 [ 236.363229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.368773] ? check_preemption_disabled+0x48/0x280 [ 236.373801] ? kasan_check_read+0x11/0x20 [ 236.377957] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.383238] ? rcu_bh_qs+0xc0/0xc0 [ 236.386784] ? preempt_schedule+0x4d/0x60 [ 236.390935] ? ___preempt_schedule+0x16/0x18 [ 236.395355] ? bpf_test_run+0x25d/0x780 [ 236.399356] ? netlink_diag_dump+0x2a0/0x2a0 [ 236.403790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.409331] ? bpf_test_init.isra.10+0x70/0x100 [ 236.414017] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 236.418789] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 236.423633] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 236.429176] ? fput+0x130/0x1a0 [ 236.432460] ? __bpf_prog_get+0x9b/0x290 [ 236.436527] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 236.441381] ? bpf_prog_test_run+0x130/0x1a0 [ 236.445802] ? __x64_sys_bpf+0x3d8/0x520 [ 236.449868] ? bpf_prog_get+0x20/0x20 [ 236.453699] ? do_syscall_64+0x1b9/0x820 [ 236.457772] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 236.463144] ? syscall_return_slowpath+0x5e0/0x5e0 [ 236.468080] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.473100] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 236.478117] ? recalc_sigpending_tsk+0x180/0x180 [ 236.482881] ? kasan_check_write+0x14/0x20 [ 236.487126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.491983] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 236.497378] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 236.497450] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 236.504311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.504321] Call Trace: [ 236.510900] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.520161] dump_stack+0x1c4/0x2b6 [ 236.522725] syz-executor0 cpuset= [ 236.533211] ? dump_stack_print_info.cold.1+0x20/0x20 [ 236.536804] syz0 [ 236.540266] warn_alloc.cold.119+0xb7/0x1bd [ 236.545429] mems_allowed=0 [ 236.547406] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 236.559471] ? lock_downgrade+0x900/0x900 [ 236.563630] ? trace_hardirqs_off+0xb8/0x310 [ 236.568053] ? trace_hardirqs_off+0xb8/0x310 [ 236.572474] __alloc_pages_slowpath+0x265e/0x2d70 [ 236.577353] ? warn_alloc+0x120/0x120 [ 236.581184] ? warn_alloc+0x120/0x120 [ 236.584994] ? print_usage_bug+0xc0/0xc0 [ 236.589059] ? warn_alloc+0x120/0x120 [ 236.592871] ? print_usage_bug+0xc0/0xc0 [ 236.596942] ? __lock_acquire+0x7ec/0x4ec0 [ 236.601179] ? __lock_acquire+0x7ec/0x4ec0 [ 236.605422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.610961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.616500] ? should_fail+0x22d/0xd01 [ 236.620400] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.625664] ? __lock_acquire+0x7ec/0x4ec0 [ 236.629908] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.635017] ? __lock_acquire+0x7ec/0x4ec0 [ 236.639254] ? should_fail+0x22d/0xd01 [ 236.643158] ? mark_held_locks+0x130/0x130 [ 236.647432] ? mark_held_locks+0x130/0x130 [ 236.651677] ? mark_held_locks+0xc7/0x130 [ 236.655832] ? print_usage_bug+0xc0/0xc0 [ 236.659897] ? graph_lock+0x170/0x170 [ 236.663704] ? print_usage_bug+0xc0/0xc0 [ 236.667774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.673320] ? check_preemption_disabled+0x48/0x280 [ 236.678339] ? check_preemption_disabled+0x48/0x280 [ 236.683403] ? __lock_is_held+0xb5/0x140 [ 236.687479] __alloc_pages_nodemask+0xa80/0xde0 [ 236.692151] ? graph_lock+0x170/0x170 [ 236.695960] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 236.700975] ? graph_lock+0x170/0x170 [ 236.704797] ? find_held_lock+0x36/0x1c0 [ 236.708887] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.713561] ? lock_downgrade+0x900/0x900 [ 236.717720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.723273] cache_grow_begin+0x91/0x8c0 [ 236.727346] ? do_raw_spin_unlock+0xa7/0x330 [ 236.731783] fallback_alloc+0x203/0x2e0 [ 236.735766] ____cache_alloc_node+0x1c7/0x1e0 [ 236.740270] kmem_cache_alloc_node+0xe3/0x730 [ 236.744771] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.749023] __alloc_skb+0x119/0x770 [ 236.752741] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.758024] ? skb_scrub_packet+0x490/0x490 [ 236.762353] ? lock_downgrade+0x900/0x900 [ 236.766523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.772061] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.777523] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.782976] ? addrconf_rs_timer+0x690/0x690 [ 236.787404] ndisc_alloc_skb+0x144/0x340 [ 236.791474] ndisc_send_rs+0x331/0x6e0 [ 236.795375] addrconf_rs_timer+0x314/0x690 [ 236.799618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.803873] call_timer_fn+0x272/0x920 [ 236.807779] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.812017] ? process_timeout+0x40/0x40 [ 236.816081] ? find_held_lock+0x36/0x1c0 [ 236.820158] ? __run_timers+0x7da/0xc70 [ 236.824139] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.828638] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.833131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.837381] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 236.841972] ? trace_hardirqs_on+0xbd/0x310 [ 236.846301] ? kasan_check_read+0x11/0x20 [ 236.850455] ? __run_timers+0x7da/0xc70 [ 236.854438] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.859895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.864142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.868384] __run_timers+0x7e5/0xc70 [ 236.872211] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 236.877583] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.882084] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.886582] ? lockdep_hardirqs_on+0x421/0x5c0 [ 236.891166] ? trace_hardirqs_on+0xbd/0x310 [ 236.895494] ? kasan_check_read+0x11/0x20 [ 236.899648] ? finish_task_switch+0x1f4/0x910 [ 236.904147] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.909600] ? compat_start_thread+0x80/0x80 [ 236.914015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.919565] ? _raw_spin_unlock_irq+0x60/0x80 [ 236.924072] ? pvclock_read_flags+0x160/0x160 [ 236.928570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.934110] ? check_preemption_disabled+0x48/0x280 [ 236.939142] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 236.944681] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.949961] ? rcu_pm_notify+0xc0/0xc0 [ 236.953853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.959401] ? check_preemption_disabled+0x48/0x280 [ 236.964430] run_timer_softirq+0x52/0xb0 [ 236.968498] ? rcu_read_lock_sched_held+0x108/0x120 [ 236.973517] __do_softirq+0x30c/0xb03 [ 236.977331] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 236.982445] ? trace_hardirqs_off+0x310/0x310 [ 236.986941] ? trace_hardirqs_on+0x310/0x310 [ 236.991357] ? schedule+0x108/0x460 [ 236.994999] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.999766] ? trace_hardirqs_off+0xb8/0x310 [ 237.004182] ? smpboot_thread_fn+0x68b/0xa00 [ 237.008599] ? trace_hardirqs_on+0x310/0x310 [ 237.013010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.018557] ? check_preemption_disabled+0x48/0x280 [ 237.023580] ? takeover_tasklets+0xa90/0xa90 [ 237.027995] run_ksoftirqd+0x94/0x100 [ 237.031799] smpboot_thread_fn+0x68b/0xa00 [ 237.036039] ? sort_range+0x30/0x30 [ 237.039674] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 237.044778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.050320] ? __kthread_parkme+0xfb/0x1a0 [ 237.054651] kthread+0x35a/0x420 [ 237.058020] ? sort_range+0x30/0x30 [ 237.061648] ? kthread_bind+0x40/0x40 [ 237.065455] ret_from_fork+0x3a/0x50 [ 237.069183] warn_alloc_show_mem: 1 callbacks suppressed [ 237.069195] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 237.069213] Mem-Info: [ 237.074577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.081974] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 237.081974] active_file:11 inactive_file:12 isolated_file:0 [ 237.081974] unevictable:0 dirty:0 writeback:0 unstable:0 [ 237.081974] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 237.081974] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 237.081974] free:13647 free_pcp:360 free_cma:0 [ 237.084348] Call Trace: [ 237.093748] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 237.126787] [ 237.129360] Node 0 [ 237.157046] dump_stack+0x1c4/0x2b6 [ 237.159200] 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 [ 237.161405] ? dump_stack_print_info.cold.1+0x20/0x20 [ 237.165004] lowmem_reserve[]: 0 [ 237.190527] warn_alloc.cold.119+0xb7/0x1bd [ 237.195683] 2819 [ 237.198961] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 237.203262] 6323 [ 237.205322] ? lock_downgrade+0x900/0x900 [ 237.210131] 6323 [ 237.212203] ? trace_hardirqs_off+0xb8/0x310 [ 237.216329] Node 0 [ 237.218409] ? trace_hardirqs_off+0xb8/0x310 [ 237.222815] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 237.225027] __alloc_pages_slowpath+0x265e/0x2d70 [ 237.229410] lowmem_reserve[]: [ 237.256142] ? warn_alloc+0x120/0x120 [ 237.260937] 0 [ 237.264044] ? trace_hardirqs_on+0x310/0x310 [ 237.267822] 0 [ 237.269620] ? warn_alloc+0x120/0x120 [ 237.274013] 3503 3503 [ 237.275825] ? print_usage_bug+0xc0/0xc0 [ 237.282090] ? warn_alloc+0x120/0x120 [ 237.286154] Node 0 [ 237.289947] ? ktime_get+0x2e1/0x440 [ 237.289983] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 237.292190] ? print_usage_bug+0xc0/0xc0 [ 237.295884] lowmem_reserve[]: [ 237.324334] ? __lock_acquire+0x7ec/0x4ec0 [ 237.328382] 0 [ 237.331481] ? __lock_acquire+0x7ec/0x4ec0 [ 237.335685] 0 0 [ 237.337499] ? kasan_check_read+0x11/0x20 [ 237.341708] 0 [ 237.343685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.349608] ? should_fail+0x22d/0xd01 [ 237.355117] Node 0 [ 237.358998] ? rcu_bh_qs+0xc0/0xc0 [ 237.359008] DMA: [ 237.361242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.364762] 1*4kB [ 237.366817] ? __lock_acquire+0x7ec/0x4ec0 [ 237.371895] (U) [ 237.374041] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.378249] 0*8kB [ 237.380221] ? __lock_acquire+0x7ec/0x4ec0 [ 237.385299] 0*16kB [ 237.387447] ? should_fail+0x22d/0xd01 [ 237.391661] 1*32kB [ 237.393893] ? rcu_idle_enter+0x4b0/0x4b0 [ 237.397754] (U) [ 237.399988] ? mark_held_locks+0x130/0x130 [ 237.404106] 2*64kB (U) [ 237.406087] ? mark_held_locks+0x130/0x130 [ 237.410296] 1*128kB (U) [ 237.412891] ? mark_held_locks+0xc7/0x130 [ 237.417094] 1*256kB (U) [ 237.419778] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 237.423895] 0*512kB 1*1024kB [ 237.426579] ? graph_lock+0x170/0x170 [ 237.431571] (U) [ 237.434677] ? print_usage_bug+0xc0/0xc0 [ 237.438455] 1*2048kB [ 237.440427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.444460] (M) [ 237.446898] ? check_preemption_disabled+0x48/0x280 [ 237.452411] 3*4096kB [ 237.454392] ? check_preemption_disabled+0x48/0x280 [ 237.459391] (M) = 15908kB [ 237.461815] ? __lock_is_held+0xb5/0x140 [ 237.466818] Node 0 [ 237.469576] __alloc_pages_nodemask+0xa80/0xde0 [ 237.473614] DMA32: [ 237.475841] ? graph_lock+0x170/0x170 [ 237.480485] 4*4kB [ 237.482720] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 237.486495] (UM) [ 237.488641] ? graph_lock+0x170/0x170 [ 237.493636] 2*8kB [ 237.495709] ? find_held_lock+0x36/0x1c0 [ 237.499472] (UM) [ 237.501627] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.505659] 2*16kB [ 237.507721] ? lock_downgrade+0x900/0x900 [ 237.512358] (M) 3*32kB [ 237.514611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.518788] (UM) [ 237.521378] cache_grow_begin+0x91/0x8c0 [ 237.526895] 4*64kB [ 237.528953] ? do_raw_spin_unlock+0xa7/0x330 [ 237.532994] (M) [ 237.535232] fallback_alloc+0x203/0x2e0 [ 237.539609] 4*128kB (UM) [ 237.541596] ____cache_alloc_node+0x1c7/0x1e0 [ 237.545546] 3*256kB [ 237.548302] kmem_cache_alloc_node+0xe3/0x730 [ 237.552768] (M) 3*512kB [ 237.555099] ? ipv6_get_ifaddr+0x42e/0x620 [ 237.559565] (M) 3*1024kB [ 237.562242] __alloc_skb+0x119/0x770 [ 237.566446] (UM) [ 237.569206] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.572900] 3*2048kB [ 237.574961] ? skb_scrub_packet+0x490/0x490 [ 237.580218] (M) [ 237.582628] ? lock_downgrade+0x900/0x900 [ 237.586923] 3*4096kB [ 237.588911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.593030] (M) [ 237.595441] ? refcount_sub_and_test_checked+0x203/0x310 [ 237.600955] = 24736kB [ 237.602927] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 237.608355] Node 0 [ 237.610770] ? addrconf_rs_timer+0x690/0x690 [ 237.616199] Normal: [ 237.618436] ndisc_alloc_skb+0x144/0x340 [ 237.622812] 592*4kB [ 237.625133] ndisc_send_rs+0x331/0x6e0 [ 237.629172] (UMEH) [ 237.631491] addrconf_rs_timer+0x314/0x690 [ 237.635352] 405*8kB [ 237.637591] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.641803] (UMEH) [ 237.644131] call_timer_fn+0x272/0x920 [ 237.648327] 177*16kB (UME) [ 237.650571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.654436] 103*32kB (UMH) [ 237.657380] ? process_timeout+0x40/0x40 [ 237.661589] 15*64kB [ 237.664517] ? find_held_lock+0x36/0x1c0 [ 237.668554] (UMH) [ 237.670897] ? __run_timers+0x7da/0xc70 [ 237.674929] 0*128kB [ 237.677075] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.681026] 1*256kB [ 237.683348] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.687821] (H) [ 237.690142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.694615] 0*512kB [ 237.696589] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 237.700803] 1*1024kB [ 237.703126] ? trace_hardirqs_on+0xbd/0x310 [ 237.707690] (H) [ 237.710105] ? kasan_check_read+0x11/0x20 [ 237.714394] 0*2048kB 0*4096kB [ 237.716388] ? __run_timers+0x7da/0xc70 [ 237.720511] = 13976kB [ 237.723706] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.727656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 237.730079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.735502] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 237.735511] 1241 total pagecache pages [ 237.744343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.748560] 0 pages in swap cache [ 237.757312] __run_timers+0x7e5/0xc70 [ 237.761180] Swap cache stats: add 0, delete 0, find 0/0 [ 237.765424] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 237.768844] Free swap = 0kB [ 237.772638] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.777978] Total swap = 0kB [ 237.783333] ? graph_lock+0x170/0x170 [ 237.786326] 1965979 pages RAM [ 237.791338] ? enqueue_hrtimer+0x1a5/0x560 [ 237.794330] 0 pages HighMem/MovableOnly [ 237.794339] 342306 pages reserved [ 237.798140] ? lock_release+0x970/0x970 [ 237.801218] 0 pages cma reserved [ 237.801311] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 237.805473] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 237.809514] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 237.812873] ? find_held_lock+0x36/0x1c0 [ 237.816826] ksoftirqd/1 cpuset= [ 237.820185] ? graph_lock+0x170/0x170 [ 237.826664] / [ 237.831858] ? pvclock_read_flags+0x160/0x160 [ 237.842147] mems_allowed=0 [ 237.846216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.867945] ? check_preemption_disabled+0x48/0x280 [ 237.872991] ? __lock_is_held+0xb5/0x140 [ 237.877081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.882643] ? check_preemption_disabled+0x48/0x280 [ 237.887680] run_timer_softirq+0x52/0xb0 [ 237.891753] ? rcu_read_lock_sched_held+0x108/0x120 [ 237.896778] __do_softirq+0x30c/0xb03 [ 237.900596] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 237.905713] ? pvclock_read_flags+0x160/0x160 [ 237.910211] ? lapic_next_event+0x5a/0x90 [ 237.914373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.919915] ? check_preemption_disabled+0x48/0x280 [ 237.924932] ? check_preemption_disabled+0x48/0x280 [ 237.929959] ? kvm_clock_read+0x18/0x30 [ 237.933946] ? kvm_sched_clock_read+0x9/0x20 [ 237.938357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.943905] ? check_preemption_disabled+0x48/0x280 [ 237.948933] irq_exit+0x17f/0x1c0 [ 237.952402] smp_apic_timer_interrupt+0x1cb/0x760 [ 237.957246] ? smp_reschedule_interrupt+0x109/0x650 [ 237.962264] ? smp_call_function_single_interrupt+0x650/0x650 [ 237.968153] ? interrupt_entry+0xb5/0xf0 [ 237.972219] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.977235] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.982287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.987167] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.992188] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.997219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.002761] ? check_preemption_disabled+0x48/0x280 [ 238.007776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.013329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.018181] apic_timer_interrupt+0xf/0x20 [ 238.022415] [ 238.024657] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 238.029590] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 238.048496] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 238.056211] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 238.063484] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 238.070758] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 238.078025] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 238.085293] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 238.092608] skb_clone+0x1bb/0x500 [ 238.096153] ? skb_split+0x11e0/0x11e0 [ 238.100047] ? check_preemption_disabled+0x48/0x280 [ 238.105086] ? __this_cpu_preempt_check+0x1c/0x20 [ 238.109934] ? __bpf_redirect+0x54b/0xb20 [ 238.114097] bpf_clone_redirect+0xb9/0x490 [ 238.118362] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 238.123426] ? __sched_text_start+0x8/0x8 [ 238.127593] ? find_held_lock+0x36/0x1c0 [ 238.131669] ? lock_acquire+0x1ed/0x520 [ 238.135653] ? bpf_test_run+0x3cb/0x780 [ 238.139633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.145177] ? check_preemption_disabled+0x48/0x280 [ 238.150209] ? kasan_check_read+0x11/0x20 [ 238.154373] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.159660] ? rcu_bh_qs+0xc0/0xc0 [ 238.163209] ? preempt_schedule+0x4d/0x60 [ 238.167361] ? ___preempt_schedule+0x16/0x18 [ 238.171797] ? bpf_test_run+0x25d/0x780 [ 238.175784] ? netlink_diag_dump+0x2a0/0x2a0 [ 238.180197] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.185741] ? bpf_test_init.isra.10+0x70/0x100 [ 238.190423] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 238.195188] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 238.200031] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 238.205575] ? fput+0x130/0x1a0 [ 238.208864] ? __bpf_prog_get+0x9b/0x290 [ 238.212935] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 238.217777] ? bpf_prog_test_run+0x130/0x1a0 [ 238.222193] ? __x64_sys_bpf+0x3d8/0x520 [ 238.226254] ? bpf_prog_get+0x20/0x20 [ 238.230077] ? do_syscall_64+0x1b9/0x820 [ 238.234144] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 238.239510] ? syscall_return_slowpath+0x5e0/0x5e0 [ 238.244457] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.249475] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 238.254493] ? recalc_sigpending_tsk+0x180/0x180 [ 238.259252] ? kasan_check_write+0x14/0x20 [ 238.263494] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.268350] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 238.273747] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 238.273818] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 238.280674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.280679] Call Trace: [ 238.280699] dump_stack+0x1c4/0x2b6 [ 238.280717] ? dump_stack_print_info.cold.1+0x20/0x20 [ 238.280754] warn_alloc.cold.119+0xb7/0x1bd [ 238.287305] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.296572] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.299133] syz-executor0 cpuset= [ 238.302760] ? lock_downgrade+0x900/0x900 [ 238.307924] syz0 [ 238.312245] ? trace_hardirqs_off+0xb8/0x310 [ 238.322706] mems_allowed=0 [ 238.327544] ? trace_hardirqs_off+0xb8/0x310 [ 238.348791] __alloc_pages_slowpath+0x265e/0x2d70 [ 238.353667] ? warn_alloc+0x120/0x120 [ 238.357478] ? warn_alloc+0x120/0x120 [ 238.361283] ? print_usage_bug+0xc0/0xc0 [ 238.365348] ? warn_alloc+0x120/0x120 [ 238.369164] ? print_usage_bug+0xc0/0xc0 [ 238.373240] ? __lock_acquire+0x7ec/0x4ec0 [ 238.377477] ? __lock_acquire+0x7ec/0x4ec0 [ 238.381716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.387264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.392812] ? should_fail+0x22d/0xd01 [ 238.396711] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.401823] ? __lock_acquire+0x7ec/0x4ec0 [ 238.406067] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.411169] ? __lock_acquire+0x7ec/0x4ec0 [ 238.415428] ? should_fail+0x22d/0xd01 [ 238.419347] ? mark_held_locks+0x130/0x130 [ 238.423598] ? mark_held_locks+0x130/0x130 [ 238.427843] ? mark_held_locks+0xc7/0x130 [ 238.431999] ? print_usage_bug+0xc0/0xc0 [ 238.436062] ? graph_lock+0x170/0x170 [ 238.439864] ? print_usage_bug+0xc0/0xc0 [ 238.443935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.449477] ? check_preemption_disabled+0x48/0x280 [ 238.454496] ? check_preemption_disabled+0x48/0x280 [ 238.459527] ? __lock_is_held+0xb5/0x140 [ 238.463598] __alloc_pages_nodemask+0xa80/0xde0 [ 238.468270] ? graph_lock+0x170/0x170 [ 238.472081] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 238.477099] ? graph_lock+0x170/0x170 [ 238.480912] ? find_held_lock+0x36/0x1c0 [ 238.484983] ? ____cache_alloc_node+0x1c7/0x1e0 [ 238.489657] ? lock_downgrade+0x900/0x900 [ 238.493815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.499360] cache_grow_begin+0x91/0x8c0 [ 238.503437] ? do_raw_spin_unlock+0xa7/0x330 [ 238.507855] fallback_alloc+0x203/0x2e0 [ 238.511844] ____cache_alloc_node+0x1c7/0x1e0 [ 238.516351] kmem_cache_alloc_node+0xe3/0x730 [ 238.520857] ? ipv6_get_ifaddr+0x42e/0x620 [ 238.525108] __alloc_skb+0x119/0x770 [ 238.528825] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.534128] ? skb_scrub_packet+0x490/0x490 [ 238.538466] ? lock_downgrade+0x900/0x900 [ 238.542630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.548173] ? refcount_sub_and_test_checked+0x203/0x310 [ 238.553635] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 238.559092] ? addrconf_rs_timer+0x690/0x690 [ 238.563515] ndisc_alloc_skb+0x144/0x340 [ 238.567585] ndisc_send_rs+0x331/0x6e0 [ 238.571486] addrconf_rs_timer+0x314/0x690 [ 238.575730] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.579981] call_timer_fn+0x272/0x920 [ 238.583868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.588107] ? process_timeout+0x40/0x40 [ 238.592169] ? find_held_lock+0x36/0x1c0 [ 238.596247] ? __run_timers+0x7da/0xc70 [ 238.600238] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.604737] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.609235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.613470] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 238.618054] ? trace_hardirqs_on+0xbd/0x310 [ 238.622434] ? kasan_check_read+0x11/0x20 [ 238.626582] ? __run_timers+0x7da/0xc70 [ 238.630565] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.636020] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.640261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.644497] __run_timers+0x7e5/0xc70 [ 238.648314] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 238.653686] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.658188] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.662691] ? lockdep_hardirqs_on+0x421/0x5c0 [ 238.667282] ? trace_hardirqs_on+0xbd/0x310 [ 238.671606] ? kasan_check_read+0x11/0x20 [ 238.675758] ? finish_task_switch+0x1f4/0x910 [ 238.680258] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.685710] ? compat_start_thread+0x80/0x80 [ 238.690129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.695679] ? _raw_spin_unlock_irq+0x60/0x80 [ 238.700184] ? pvclock_read_flags+0x160/0x160 [ 238.704705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.710251] ? check_preemption_disabled+0x48/0x280 [ 238.715282] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 238.720826] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.726112] ? rcu_pm_notify+0xc0/0xc0 [ 238.730008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.735555] ? check_preemption_disabled+0x48/0x280 [ 238.740599] run_timer_softirq+0x52/0xb0 [ 238.744663] ? rcu_read_lock_sched_held+0x108/0x120 [ 238.749682] __do_softirq+0x30c/0xb03 [ 238.753500] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 238.758619] ? trace_hardirqs_off+0x310/0x310 [ 238.763120] ? trace_hardirqs_on+0x310/0x310 [ 238.767535] ? schedule+0x108/0x460 [ 238.771165] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 238.775934] ? trace_hardirqs_off+0xb8/0x310 [ 238.780351] ? smpboot_thread_fn+0x68b/0xa00 [ 238.784774] ? trace_hardirqs_on+0x310/0x310 [ 238.789187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.794734] ? check_preemption_disabled+0x48/0x280 [ 238.799766] ? takeover_tasklets+0xa90/0xa90 [ 238.804181] run_ksoftirqd+0x94/0x100 [ 238.807992] smpboot_thread_fn+0x68b/0xa00 [ 238.812231] ? sort_range+0x30/0x30 [ 238.815873] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 238.820984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.826543] ? __kthread_parkme+0xfb/0x1a0 [ 238.830788] kthread+0x35a/0x420 [ 238.834156] ? sort_range+0x30/0x30 [ 238.837784] ? kthread_bind+0x40/0x40 [ 238.841591] ret_from_fork+0x3a/0x50 [ 238.845322] warn_alloc_show_mem: 1 callbacks suppressed [ 238.845334] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 238.845336] Mem-Info: [ 238.845376] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 238.845376] active_file:11 inactive_file:12 isolated_file:0 [ 238.845376] unevictable:0 dirty:0 writeback:0 unstable:0 [ 238.845376] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 238.845376] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 238.845376] free:13647 free_pcp:360 free_cma:0 [ 238.850721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.858086] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 238.860484] Call Trace: [ 238.893524] Node 0 [ 238.902864] [ 238.930545] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 238.933107] dump_stack+0x1c4/0x2b6 [ 238.935319] lowmem_reserve[]: [ 238.937469] ? dump_stack_print_info.cold.1+0x20/0x20 [ 238.962940] 0 2819 [ 238.966582] warn_alloc.cold.119+0xb7/0x1bd [ 238.969650] 6323 [ 238.974840] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.977052] 6323 [ 238.981376] ? lock_downgrade+0x900/0x900 [ 238.983432] Node 0 [ 238.988274] ? trace_hardirqs_off+0xb8/0x310 [ 238.990337] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 238.994455] ? trace_hardirqs_off+0xb8/0x310 [ 238.996659] lowmem_reserve[]: 0 [ 239.001072] __alloc_pages_slowpath+0x265e/0x2d70 [ 239.027755] 0 3503 [ 239.032193] ? warn_alloc+0x120/0x120 [ 239.035429] 3503 [ 239.040266] ? trace_hardirqs_on+0x310/0x310 [ 239.046274] ? warn_alloc+0x120/0x120 [ 239.048315] Node 0 [ 239.052721] ? print_usage_bug+0xc0/0xc0 [ 239.056522] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 239.058730] ? warn_alloc+0x120/0x120 [ 239.062766] lowmem_reserve[]: [ 239.091216] ? ktime_get+0x2e1/0x440 [ 239.091232] ? print_usage_bug+0xc0/0xc0 [ 239.095016] 0 [ 239.098114] ? __lock_acquire+0x7ec/0x4ec0 [ 239.101807] 0 [ 239.105861] ? __lock_acquire+0x7ec/0x4ec0 [ 239.107634] 0 0 [ 239.111873] ? kasan_check_read+0x11/0x20 [ 239.117886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.119837] Node 0 [ 239.123984] ? should_fail+0x22d/0xd01 [ 239.129494] DMA: [ 239.131736] ? rcu_bh_qs+0xc0/0xc0 [ 239.135605] 1*4kB [ 239.137659] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.141172] (U) [ 239.143320] ? __lock_acquire+0x7ec/0x4ec0 [ 239.148399] 0*8kB [ 239.150365] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.154597] 0*16kB [ 239.156741] ? __lock_acquire+0x7ec/0x4ec0 [ 239.161821] 1*32kB [ 239.164069] ? should_fail+0x22d/0xd01 [ 239.168282] (U) [ 239.170514] ? rcu_idle_enter+0x4b0/0x4b0 [ 239.174411] 2*64kB [ 239.176394] ? mark_held_locks+0x130/0x130 [ 239.180515] (U) [ 239.182750] ? mark_held_locks+0x130/0x130 [ 239.186959] 1*128kB [ 239.188931] ? mark_held_locks+0xc7/0x130 [ 239.193173] (U) [ 239.195493] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 239.199612] 1*256kB (U) [ 239.201590] ? graph_lock+0x170/0x170 [ 239.206582] 0*512kB [ 239.209261] ? print_usage_bug+0xc0/0xc0 [ 239.213038] 1*1024kB [ 239.215358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.219403] (U) [ 239.221809] ? check_preemption_disabled+0x48/0x280 [ 239.227322] 1*2048kB [ 239.229293] ? check_preemption_disabled+0x48/0x280 [ 239.234287] (M) [ 239.236706] ? __lock_is_held+0xb5/0x140 [ 239.241686] 3*4096kB [ 239.243663] __alloc_pages_nodemask+0xa80/0xde0 [ 239.247704] (M) [ 239.250109] ? graph_lock+0x170/0x170 [ 239.254756] = 15908kB [ 239.256735] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 239.260511] Node 0 [ 239.262918] ? graph_lock+0x170/0x170 [ 239.267908] DMA32: [ 239.270148] ? find_held_lock+0x36/0x1c0 [ 239.273915] 4*4kB [ 239.276151] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.280185] (UM) [ 239.282331] ? lock_downgrade+0x900/0x900 [ 239.286975] 2*8kB [ 239.289041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.293163] (UM) [ 239.295314] cache_grow_begin+0x91/0x8c0 [ 239.300830] 2*16kB (M) [ 239.302897] ? do_raw_spin_unlock+0xa7/0x330 [ 239.306943] 3*32kB (UM) [ 239.309548] fallback_alloc+0x203/0x2e0 [ 239.313926] 4*64kB (M) [ 239.316605] ____cache_alloc_node+0x1c7/0x1e0 [ 239.320544] 4*128kB (UM) [ 239.323140] kmem_cache_alloc_node+0xe3/0x730 [ 239.327610] 3*256kB [ 239.330365] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.334840] (M) [ 239.337161] __alloc_skb+0x119/0x770 [ 239.341376] 3*512kB [ 239.343364] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.347089] (M) [ 239.349406] ? skb_scrub_packet+0x490/0x490 [ 239.354652] 3*1024kB (UM) [ 239.356632] ? lock_downgrade+0x900/0x900 [ 239.360928] 3*2048kB [ 239.363772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.367890] (M) [ 239.370299] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.375810] 3*4096kB [ 239.377778] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.383206] (M) = 24736kB [ 239.385626] ? addrconf_rs_timer+0x690/0x690 [ 239.391057] Node 0 [ 239.393829] ndisc_alloc_skb+0x144/0x340 [ 239.398201] Normal: [ 239.400437] ndisc_send_rs+0x331/0x6e0 [ 239.404472] 592*4kB [ 239.406795] addrconf_rs_timer+0x314/0x690 [ 239.410654] (UMEH) [ 239.412974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.417183] 405*8kB [ 239.419426] call_timer_fn+0x272/0x920 [ 239.423627] (UMEH) [ 239.425946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.429808] 177*16kB (UME) [ 239.432049] ? process_timeout+0x40/0x40 [ 239.436255] 103*32kB (UMH) [ 239.439189] ? find_held_lock+0x36/0x1c0 [ 239.443235] 15*64kB (UMH) [ 239.446178] ? __run_timers+0x7da/0xc70 [ 239.450226] 0*128kB [ 239.453066] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.457012] 1*256kB [ 239.459381] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.463849] (H) [ 239.466167] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.470639] 0*512kB [ 239.472625] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 239.476834] 1*1024kB [ 239.479154] ? trace_hardirqs_on+0xbd/0x310 [ 239.483714] (H) [ 239.486121] ? kasan_check_read+0x11/0x20 [ 239.490415] 0*2048kB [ 239.492411] ? __run_timers+0x7da/0xc70 [ 239.496535] 0*4096kB [ 239.498938] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.502888] = 13976kB [ 239.505297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.510727] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 239.513125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 239.517344] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 239.526170] __run_timers+0x7e5/0xc70 [ 239.530413] 1241 total pagecache pages [ 239.538990] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 239.542762] 0 pages in swap cache [ 239.546636] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 239.551977] Swap cache stats: add 0, delete 0, find 0/0 [ 239.551986] Free swap = 0kB [ 239.555433] ? graph_lock+0x170/0x170 [ 239.560423] Total swap = 0kB [ 239.560431] 1965979 pages RAM [ 239.565792] ? enqueue_hrtimer+0x1a5/0x560 [ 239.568790] 0 pages HighMem/MovableOnly [ 239.572586] ? lock_release+0x970/0x970 [ 239.575586] 342306 pages reserved [ 239.578685] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 239.582896] 0 pages cma reserved [ 239.586864] ? find_held_lock+0x36/0x1c0 [ 239.590899] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 239.594254] ? graph_lock+0x170/0x170 [ 239.599528] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 239.602786] ? pvclock_read_flags+0x160/0x160 [ 239.606824] ksoftirqd/1 cpuset= [ 239.613314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.617087] / [ 239.627408] ? check_preemption_disabled+0x48/0x280 [ 239.631879] mems_allowed=0 [ 239.635155] ? __lock_is_held+0xb5/0x140 [ 239.654361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.659913] ? check_preemption_disabled+0x48/0x280 [ 239.664939] run_timer_softirq+0x52/0xb0 [ 239.669005] ? rcu_read_lock_sched_held+0x108/0x120 [ 239.674028] __do_softirq+0x30c/0xb03 [ 239.677842] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 239.682954] ? pvclock_read_flags+0x160/0x160 [ 239.687455] ? lapic_next_event+0x5a/0x90 [ 239.691607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.697151] ? check_preemption_disabled+0x48/0x280 [ 239.702168] ? check_preemption_disabled+0x48/0x280 [ 239.707191] ? kvm_clock_read+0x18/0x30 [ 239.711164] ? kvm_sched_clock_read+0x9/0x20 [ 239.715581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.721128] ? check_preemption_disabled+0x48/0x280 [ 239.726165] irq_exit+0x17f/0x1c0 [ 239.729622] smp_apic_timer_interrupt+0x1cb/0x760 [ 239.734465] ? smp_reschedule_interrupt+0x109/0x650 [ 239.739482] ? smp_call_function_single_interrupt+0x650/0x650 [ 239.745377] ? interrupt_entry+0xb5/0xf0 [ 239.749472] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.754678] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.759708] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.764555] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.769573] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.774592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.780132] ? check_preemption_disabled+0x48/0x280 [ 239.785152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.790704] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.795556] apic_timer_interrupt+0xf/0x20 [ 239.799784] [ 239.802028] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 239.806960] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 239.825863] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 239.833575] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 239.840843] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 239.848115] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 239.855391] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 239.862664] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 239.869976] skb_clone+0x1bb/0x500 [ 239.873522] ? skb_split+0x11e0/0x11e0 [ 239.877417] ? check_preemption_disabled+0x48/0x280 [ 239.882440] ? __this_cpu_preempt_check+0x1c/0x20 [ 239.887287] ? __bpf_redirect+0x54b/0xb20 [ 239.891449] bpf_clone_redirect+0xb9/0x490 [ 239.895702] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 239.900730] ? __sched_text_start+0x8/0x8 [ 239.904896] ? find_held_lock+0x36/0x1c0 [ 239.908970] ? lock_acquire+0x1ed/0x520 [ 239.912949] ? bpf_test_run+0x3cb/0x780 [ 239.916929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.922468] ? check_preemption_disabled+0x48/0x280 [ 239.927497] ? kasan_check_read+0x11/0x20 [ 239.931650] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 239.936949] ? rcu_bh_qs+0xc0/0xc0 [ 239.940491] ? preempt_schedule+0x4d/0x60 [ 239.944643] ? ___preempt_schedule+0x16/0x18 [ 239.949060] ? bpf_test_run+0x25d/0x780 [ 239.953048] ? netlink_diag_dump+0x2a0/0x2a0 [ 239.957462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.963002] ? bpf_test_init.isra.10+0x70/0x100 [ 239.967679] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 239.972451] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 239.977296] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 239.982836] ? fput+0x130/0x1a0 [ 239.986146] ? __bpf_prog_get+0x9b/0x290 [ 239.990241] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 239.995101] ? bpf_prog_test_run+0x130/0x1a0 [ 239.999517] ? __x64_sys_bpf+0x3d8/0x520 [ 240.003584] ? bpf_prog_get+0x20/0x20 [ 240.007412] ? do_syscall_64+0x1b9/0x820 [ 240.011508] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 240.016875] ? syscall_return_slowpath+0x5e0/0x5e0 [ 240.021809] ? trace_hardirqs_on_caller+0x310/0x310 [ 240.026830] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 240.031848] ? recalc_sigpending_tsk+0x180/0x180 [ 240.036608] ? kasan_check_write+0x14/0x20 [ 240.040853] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.045717] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.051105] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 240.051176] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 240.058044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.058050] Call Trace: [ 240.058070] dump_stack+0x1c4/0x2b6 [ 240.058088] ? dump_stack_print_info.cold.1+0x20/0x20 [ 240.058113] warn_alloc.cold.119+0xb7/0x1bd [ 240.064632] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.073930] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.076494] syz-executor0 cpuset= [ 240.080127] ? lock_downgrade+0x900/0x900 [ 240.085335] syz0 [ 240.089658] ? trace_hardirqs_off+0xb8/0x310 [ 240.100121] mems_allowed=0 [ 240.104957] ? trace_hardirqs_off+0xb8/0x310 [ 240.126254] __alloc_pages_slowpath+0x265e/0x2d70 [ 240.131156] ? warn_alloc+0x120/0x120 [ 240.134970] ? warn_alloc+0x120/0x120 [ 240.138779] ? print_usage_bug+0xc0/0xc0 [ 240.142842] ? warn_alloc+0x120/0x120 [ 240.146645] ? print_usage_bug+0xc0/0xc0 [ 240.150714] ? __lock_acquire+0x7ec/0x4ec0 [ 240.154949] ? __lock_acquire+0x7ec/0x4ec0 [ 240.159187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.164736] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.170282] ? should_fail+0x22d/0xd01 [ 240.174180] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.179288] ? __lock_acquire+0x7ec/0x4ec0 [ 240.183531] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.188636] ? __lock_acquire+0x7ec/0x4ec0 [ 240.192879] ? should_fail+0x22d/0xd01 [ 240.196782] ? mark_held_locks+0x130/0x130 [ 240.201024] ? mark_held_locks+0x130/0x130 [ 240.205272] ? mark_held_locks+0xc7/0x130 [ 240.209452] ? print_usage_bug+0xc0/0xc0 [ 240.213514] ? graph_lock+0x170/0x170 [ 240.217318] ? print_usage_bug+0xc0/0xc0 [ 240.221418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.226963] ? check_preemption_disabled+0x48/0x280 [ 240.231980] ? check_preemption_disabled+0x48/0x280 [ 240.237009] ? __lock_is_held+0xb5/0x140 [ 240.241079] __alloc_pages_nodemask+0xa80/0xde0 [ 240.245751] ? graph_lock+0x170/0x170 [ 240.249561] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 240.254580] ? graph_lock+0x170/0x170 [ 240.258405] ? find_held_lock+0x36/0x1c0 [ 240.262500] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.267171] ? lock_downgrade+0x900/0x900 [ 240.271333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.276884] cache_grow_begin+0x91/0x8c0 [ 240.280957] ? do_raw_spin_unlock+0xa7/0x330 [ 240.285424] fallback_alloc+0x203/0x2e0 [ 240.289442] ____cache_alloc_node+0x1c7/0x1e0 [ 240.293955] kmem_cache_alloc_node+0xe3/0x730 [ 240.298456] ? ipv6_get_ifaddr+0x42e/0x620 [ 240.302736] __alloc_skb+0x119/0x770 [ 240.306458] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.311743] ? skb_scrub_packet+0x490/0x490 [ 240.316068] ? lock_downgrade+0x900/0x900 [ 240.320232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.325781] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.331239] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.336697] ? addrconf_rs_timer+0x690/0x690 [ 240.341121] ndisc_alloc_skb+0x144/0x340 [ 240.345194] ndisc_send_rs+0x331/0x6e0 [ 240.349096] addrconf_rs_timer+0x314/0x690 [ 240.353340] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.357605] call_timer_fn+0x272/0x920 [ 240.361495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.365735] ? process_timeout+0x40/0x40 [ 240.369797] ? find_held_lock+0x36/0x1c0 [ 240.373870] ? __run_timers+0x7da/0xc70 [ 240.377855] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.382352] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.386857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.391092] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 240.395680] ? trace_hardirqs_on+0xbd/0x310 [ 240.400012] ? kasan_check_read+0x11/0x20 [ 240.404162] ? __run_timers+0x7da/0xc70 [ 240.408137] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.413595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.417837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.422074] __run_timers+0x7e5/0xc70 [ 240.425893] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 240.431264] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.435764] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.440262] ? lockdep_hardirqs_on+0x421/0x5c0 [ 240.444846] ? trace_hardirqs_on+0xbd/0x310 [ 240.449173] ? kasan_check_read+0x11/0x20 [ 240.453333] ? finish_task_switch+0x1f4/0x910 [ 240.457840] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.463295] ? compat_start_thread+0x80/0x80 [ 240.467731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.473296] ? _raw_spin_unlock_irq+0x60/0x80 [ 240.477830] ? pvclock_read_flags+0x160/0x160 [ 240.482327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.487872] ? check_preemption_disabled+0x48/0x280 [ 240.492899] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 240.498442] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.503727] ? rcu_pm_notify+0xc0/0xc0 [ 240.507622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.513162] ? check_preemption_disabled+0x48/0x280 [ 240.518201] run_timer_softirq+0x52/0xb0 [ 240.522268] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.527291] __do_softirq+0x30c/0xb03 [ 240.531108] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 240.536218] ? trace_hardirqs_off+0x310/0x310 [ 240.540721] ? trace_hardirqs_on+0x310/0x310 [ 240.545137] ? schedule+0x108/0x460 [ 240.548780] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.553550] ? trace_hardirqs_off+0xb8/0x310 [ 240.557963] ? smpboot_thread_fn+0x68b/0xa00 [ 240.562387] ? trace_hardirqs_on+0x310/0x310 [ 240.566807] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.572351] ? check_preemption_disabled+0x48/0x280 [ 240.577391] ? takeover_tasklets+0xa90/0xa90 [ 240.581815] run_ksoftirqd+0x94/0x100 [ 240.585622] smpboot_thread_fn+0x68b/0xa00 [ 240.589867] ? sort_range+0x30/0x30 [ 240.593500] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 240.598614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.604159] ? __kthread_parkme+0xfb/0x1a0 [ 240.608412] kthread+0x35a/0x420 [ 240.611782] ? sort_range+0x30/0x30 [ 240.615425] ? kthread_bind+0x40/0x40 [ 240.619237] ret_from_fork+0x3a/0x50 [ 240.623179] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 240.623186] warn_alloc_show_mem: 1 callbacks suppressed [ 240.623193] Mem-Info: [ 240.630547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.630556] Call Trace: [ 240.635932] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 240.635932] active_file:11 inactive_file:12 isolated_file:0 [ 240.635932] unevictable:0 dirty:0 writeback:0 unstable:0 [ 240.635932] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 240.635932] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 240.635932] free:13647 free_pcp:360 free_cma:0 [ 240.638312] [ 240.647677] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 240.650261] dump_stack+0x1c4/0x2b6 [ 240.683294] Node 0 [ 240.685445] ? dump_stack_print_info.cold.1+0x20/0x20 [ 240.713290] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 240.716903] warn_alloc.cold.119+0xb7/0x1bd [ 240.719097] lowmem_reserve[]: 0 [ 240.724293] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.749774] 2819 6323 [ 240.754112] ? lock_downgrade+0x900/0x900 [ 240.757358] 6323 [ 240.762205] ? trace_hardirqs_off+0xb8/0x310 [ 240.768832] ? trace_hardirqs_off+0xb8/0x310 [ 240.770872] Node 0 [ 240.775277] __alloc_pages_slowpath+0x265e/0x2d70 [ 240.779681] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 240.781913] ? warn_alloc+0x120/0x120 [ 240.786701] lowmem_reserve[]: 0 [ 240.813436] ? warn_alloc+0x120/0x120 [ 240.817213] 0 [ 240.820489] ? print_usage_bug+0xc0/0xc0 [ 240.824268] 3503 [ 240.826068] ? warn_alloc+0x120/0x120 [ 240.830106] 3503 [ 240.832167] ? print_usage_bug+0xc0/0xc0 [ 240.837998] ? __lock_acquire+0x7ec/0x4ec0 [ 240.842035] Node 0 [ 240.846260] ? __lock_acquire+0x7ec/0x4ec0 [ 240.846296] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 240.848508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.852712] lowmem_reserve[]: 0 [ 240.881183] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.886699] 0 0 [ 240.889980] ? should_fail+0x22d/0xd01 [ 240.895483] 0 [ 240.897464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.901326] Node 0 [ 240.903128] ? __lock_acquire+0x7ec/0x4ec0 [ 240.908206] DMA: 1*4kB [ 240.910456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.914664] (U) [ 240.917242] ? __lock_acquire+0x7ec/0x4ec0 [ 240.922321] 0*8kB [ 240.924290] ? should_fail+0x22d/0xd01 [ 240.928504] 0*16kB [ 240.930657] ? mark_held_locks+0x130/0x130 [ 240.934518] 1*32kB (U) [ 240.936762] ? mark_held_locks+0x130/0x130 [ 240.940970] 2*64kB (U) [ 240.943564] ? graph_lock+0x170/0x170 [ 240.947773] 1*128kB [ 240.950351] ? print_usage_bug+0xc0/0xc0 [ 240.954164] (U) [ 240.956480] ? graph_lock+0x170/0x170 [ 240.960520] 1*256kB [ 240.962487] ? print_usage_bug+0xc0/0xc0 [ 240.966264] (U) [ 240.968600] ? wq_watchdog_touch+0x9c/0xfe [ 240.972643] 0*512kB [ 240.974613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.978823] 1*1024kB [ 240.981148] ? check_preemption_disabled+0x48/0x280 [ 240.986657] (U) [ 240.989065] ? check_preemption_disabled+0x48/0x280 [ 240.994054] 1*2048kB [ 240.996033] ? __lock_is_held+0xb5/0x140 [ 241.001012] (M) 3*4096kB [ 241.003432] __alloc_pages_nodemask+0xa80/0xde0 [ 241.007471] (M) [ 241.010227] ? graph_lock+0x170/0x170 [ 241.014879] = 15908kB [ 241.016852] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 241.020629] Node 0 [ 241.023032] ? graph_lock+0x170/0x170 [ 241.028028] DMA32: [ 241.030268] ? find_held_lock+0x36/0x1c0 [ 241.034041] 4*4kB [ 241.036280] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.040308] (UM) [ 241.042454] ? lock_downgrade+0x900/0x900 [ 241.047094] 2*8kB (UM) [ 241.049169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.053291] 2*16kB [ 241.055880] cache_grow_begin+0x91/0x8c0 [ 241.061394] (M) [ 241.063627] ? do_raw_spin_unlock+0xa7/0x330 [ 241.067662] 3*32kB [ 241.069637] fallback_alloc+0x203/0x2e0 [ 241.074021] (UM) [ 241.076258] ____cache_alloc_node+0x1c7/0x1e0 [ 241.080213] 4*64kB [ 241.082275] kmem_cache_alloc_node+0xe3/0x730 [ 241.086742] (M) [ 241.088973] ? ipv6_get_ifaddr+0x42e/0x620 [ 241.093443] 4*128kB [ 241.095420] __alloc_skb+0x119/0x770 [ 241.099623] (UM) [ 241.101945] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.105634] 3*256kB [ 241.107689] ? skb_scrub_packet+0x490/0x490 [ 241.112943] (M) [ 241.115297] ? lock_downgrade+0x900/0x900 [ 241.115319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.119618] 3*512kB [ 241.121590] ? refcount_sub_and_test_checked+0x203/0x310 [ 241.125710] (M) [ 241.131243] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 241.133543] 3*1024kB [ 241.138983] ? addrconf_rs_timer+0x690/0x690 [ 241.140935] (UM) [ 241.146394] ndisc_alloc_skb+0x144/0x340 [ 241.148769] 3*2048kB (M) [ 241.153180] ndisc_send_rs+0x331/0x6e0 [ 241.155224] 3*4096kB [ 241.159292] addrconf_rs_timer+0x314/0x690 [ 241.162029] (M) [ 241.165911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.168293] = 24736kB [ 241.168301] Node 0 [ 241.172539] call_timer_fn+0x272/0x920 [ 241.174482] Normal: [ 241.178712] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.181098] 592*4kB [ 241.183328] ? process_timeout+0x40/0x40 [ 241.187191] (UMEH) [ 241.189509] ? find_held_lock+0x36/0x1c0 [ 241.193720] 405*8kB [ 241.196044] ? __run_timers+0x7da/0xc70 [ 241.200075] (UMEH) [ 241.202307] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.206343] 177*16kB [ 241.208663] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.212611] (UME) [ 241.214841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.219313] 103*32kB [ 241.221721] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 241.226191] (UMH) [ 241.228337] ? trace_hardirqs_on+0xbd/0x310 [ 241.232544] 15*64kB (UMH) [ 241.234963] ? kasan_check_read+0x11/0x20 [ 241.239518] 0*128kB [ 241.241661] ? __run_timers+0x7da/0xc70 [ 241.245958] 1*256kB [ 241.248795] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.252915] (H) [ 241.255232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.259182] 0*512kB [ 241.261502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.266932] 1*1024kB [ 241.268905] __run_timers+0x7e5/0xc70 [ 241.273118] (H) [ 241.275447] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 241.279653] 0*2048kB [ 241.282061] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 241.285828] 0*4096kB = 13976kB [ 241.287809] ? graph_lock+0x170/0x170 [ 241.293156] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 241.295552] ? enqueue_hrtimer+0x1a5/0x560 [ 241.300549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 241.303735] ? lock_release+0x970/0x970 [ 241.307512] 1241 total pagecache pages [ 241.316341] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 241.320560] 0 pages in swap cache [ 241.329123] ? find_held_lock+0x36/0x1c0 [ 241.333080] Swap cache stats: add 0, delete 0, find 0/0 [ 241.336955] ? graph_lock+0x170/0x170 [ 241.342121] Free swap = 0kB [ 241.345569] ? pvclock_read_flags+0x160/0x160 [ 241.349609] Total swap = 0kB [ 241.354965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.358743] 1965979 pages RAM [ 241.361760] ? check_preemption_disabled+0x48/0x280 [ 241.366226] 0 pages HighMem/MovableOnly [ 241.369245] ? __lock_is_held+0xb5/0x140 [ 241.374754] 342306 pages reserved [ 241.374763] 0 pages cma reserved [ 241.377862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.382928] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.386824] ? check_preemption_disabled+0x48/0x280 [ 241.386847] run_timer_softirq+0x52/0xb0 [ 241.386863] ? rcu_read_lock_sched_held+0x108/0x120 [ 241.390959] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.394352] __do_softirq+0x30c/0xb03 [ 241.397695] ksoftirqd/1 cpuset= [ 241.403236] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 241.409706] / [ 241.414723] ? pvclock_read_flags+0x160/0x160 [ 241.418763] mems_allowed=0 [ 241.423774] ? lapic_next_event+0x5a/0x90 [ 241.459453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.464993] ? check_preemption_disabled+0x48/0x280 [ 241.470015] ? check_preemption_disabled+0x48/0x280 [ 241.475042] ? kvm_clock_read+0x18/0x30 [ 241.479019] ? kvm_sched_clock_read+0x9/0x20 [ 241.483431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.488969] ? check_preemption_disabled+0x48/0x280 [ 241.494001] irq_exit+0x17f/0x1c0 [ 241.497456] smp_apic_timer_interrupt+0x1cb/0x760 [ 241.502298] ? smp_reschedule_interrupt+0x109/0x650 [ 241.507315] ? smp_call_function_single_interrupt+0x650/0x650 [ 241.513204] ? interrupt_entry+0xb5/0xf0 [ 241.517275] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.522295] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.527315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.532164] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.537182] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.542205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.547744] ? check_preemption_disabled+0x48/0x280 [ 241.552762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.558320] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.563169] apic_timer_interrupt+0xf/0x20 [ 241.567405] [ 241.569651] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 241.574583] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 241.593482] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 241.601196] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 241.608477] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 241.615777] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 241.623068] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 241.630366] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 241.637755] skb_clone+0x1bb/0x500 [ 241.641306] ? skb_split+0x11e0/0x11e0 [ 241.645199] ? check_preemption_disabled+0x48/0x280 [ 241.650225] ? __this_cpu_preempt_check+0x1c/0x20 [ 241.655074] ? __bpf_redirect+0x54b/0xb20 [ 241.659236] bpf_clone_redirect+0xb9/0x490 [ 241.663481] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 241.668504] ? __sched_text_start+0x8/0x8 [ 241.672673] ? find_held_lock+0x36/0x1c0 [ 241.676786] ? lock_acquire+0x1ed/0x520 [ 241.680772] ? bpf_test_run+0x3cb/0x780 [ 241.684751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.690289] ? check_preemption_disabled+0x48/0x280 [ 241.695330] ? kasan_check_read+0x11/0x20 [ 241.699497] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.704777] ? rcu_bh_qs+0xc0/0xc0 [ 241.708321] ? preempt_schedule+0x4d/0x60 [ 241.712477] ? ___preempt_schedule+0x16/0x18 [ 241.716898] ? bpf_test_run+0x25d/0x780 [ 241.720883] ? netlink_diag_dump+0x2a0/0x2a0 [ 241.725296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.730835] ? bpf_test_init.isra.10+0x70/0x100 [ 241.735516] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 241.740296] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 241.745160] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 241.750705] ? fput+0x130/0x1a0 [ 241.754168] ? __bpf_prog_get+0x9b/0x290 [ 241.758225] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 241.763070] ? bpf_prog_test_run+0x130/0x1a0 [ 241.767483] ? __x64_sys_bpf+0x3d8/0x520 [ 241.771545] ? bpf_prog_get+0x20/0x20 [ 241.775380] ? do_syscall_64+0x1b9/0x820 [ 241.779444] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 241.784812] ? syscall_return_slowpath+0x5e0/0x5e0 [ 241.789746] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.794768] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 241.799786] ? recalc_sigpending_tsk+0x180/0x180 [ 241.804544] ? kasan_check_write+0x14/0x20 [ 241.808788] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.813641] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.819024] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 241.819092] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.825952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.825960] Call Trace: [ 241.832527] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.841797] dump_stack+0x1c4/0x2b6 [ 241.844359] syz-executor0 cpuset= [ 241.854847] ? dump_stack_print_info.cold.1+0x20/0x20 [ 241.858452] syz0 [ 241.861907] warn_alloc.cold.119+0xb7/0x1bd [ 241.867064] mems_allowed=0 [ 241.869037] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.881091] ? lock_downgrade+0x900/0x900 [ 241.885251] ? trace_hardirqs_off+0xb8/0x310 [ 241.889669] ? trace_hardirqs_off+0xb8/0x310 [ 241.894092] __alloc_pages_slowpath+0x265e/0x2d70 [ 241.898965] ? warn_alloc+0x120/0x120 [ 241.902773] ? warn_alloc+0x120/0x120 [ 241.906579] ? print_usage_bug+0xc0/0xc0 [ 241.910644] ? warn_alloc+0x120/0x120 [ 241.914452] ? print_usage_bug+0xc0/0xc0 [ 241.918517] ? __lock_acquire+0x7ec/0x4ec0 [ 241.922756] ? __lock_acquire+0x7ec/0x4ec0 [ 241.926997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.932540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.938086] ? should_fail+0x22d/0xd01 [ 241.941992] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.947103] ? __lock_acquire+0x7ec/0x4ec0 [ 241.951355] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.956480] ? __lock_acquire+0x7ec/0x4ec0 [ 241.960726] ? should_fail+0x22d/0xd01 [ 241.964636] ? mark_held_locks+0x130/0x130 [ 241.968879] ? mark_held_locks+0x130/0x130 [ 241.973121] ? graph_lock+0x170/0x170 [ 241.976929] ? print_usage_bug+0xc0/0xc0 [ 241.980990] ? graph_lock+0x170/0x170 [ 241.984793] ? print_usage_bug+0xc0/0xc0 [ 241.988857] ? wq_watchdog_touch+0x9c/0xfe [ 241.993097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.998642] ? check_preemption_disabled+0x48/0x280 [ 242.003662] ? check_preemption_disabled+0x48/0x280 [ 242.008694] ? __lock_is_held+0xb5/0x140 [ 242.012769] __alloc_pages_nodemask+0xa80/0xde0 [ 242.017442] ? graph_lock+0x170/0x170 [ 242.021250] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 242.026269] ? graph_lock+0x170/0x170 [ 242.030084] ? find_held_lock+0x36/0x1c0 [ 242.034159] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.038840] ? lock_downgrade+0x900/0x900 [ 242.043002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.048548] cache_grow_begin+0x91/0x8c0 [ 242.052622] ? do_raw_spin_unlock+0xa7/0x330 [ 242.057040] fallback_alloc+0x203/0x2e0 [ 242.061027] ____cache_alloc_node+0x1c7/0x1e0 [ 242.065533] kmem_cache_alloc_node+0xe3/0x730 [ 242.070030] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.074279] __alloc_skb+0x119/0x770 [ 242.078030] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.083317] ? skb_scrub_packet+0x490/0x490 [ 242.087639] ? lock_downgrade+0x900/0x900 [ 242.091800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.097345] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.102810] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.108264] ? addrconf_rs_timer+0x690/0x690 [ 242.112690] ndisc_alloc_skb+0x144/0x340 [ 242.116762] ndisc_send_rs+0x331/0x6e0 [ 242.120658] addrconf_rs_timer+0x314/0x690 [ 242.124903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.129154] call_timer_fn+0x272/0x920 [ 242.133044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.137288] ? process_timeout+0x40/0x40 [ 242.141348] ? find_held_lock+0x36/0x1c0 [ 242.145431] ? __run_timers+0x7da/0xc70 [ 242.149414] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.153917] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.158413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.162650] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 242.167237] ? trace_hardirqs_on+0xbd/0x310 [ 242.171565] ? kasan_check_read+0x11/0x20 [ 242.175719] ? __run_timers+0x7da/0xc70 [ 242.179700] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.185155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.189408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.193648] __run_timers+0x7e5/0xc70 [ 242.197464] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 242.202838] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.207339] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.211846] ? lockdep_hardirqs_on+0x421/0x5c0 [ 242.216435] ? trace_hardirqs_on+0xbd/0x310 [ 242.220768] ? kasan_check_read+0x11/0x20 [ 242.224923] ? finish_task_switch+0x1f4/0x910 [ 242.229424] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.234880] ? compat_start_thread+0x80/0x80 [ 242.239297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.244843] ? _raw_spin_unlock_irq+0x60/0x80 [ 242.249348] ? pvclock_read_flags+0x160/0x160 [ 242.253857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.259410] ? check_preemption_disabled+0x48/0x280 [ 242.264444] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 242.269987] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.275270] ? rcu_pm_notify+0xc0/0xc0 [ 242.279160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.284704] ? check_preemption_disabled+0x48/0x280 [ 242.289748] run_timer_softirq+0x52/0xb0 [ 242.293816] ? rcu_read_lock_sched_held+0x108/0x120 [ 242.298839] __do_softirq+0x30c/0xb03 [ 242.302656] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 242.307759] ? trace_hardirqs_off+0x310/0x310 [ 242.312260] ? trace_hardirqs_on+0x310/0x310 [ 242.316677] ? schedule+0x108/0x460 [ 242.320377] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.325163] ? trace_hardirqs_off+0xb8/0x310 [ 242.329575] ? smpboot_thread_fn+0x68b/0xa00 [ 242.333984] ? trace_hardirqs_on+0x310/0x310 [ 242.338404] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.343947] ? check_preemption_disabled+0x48/0x280 [ 242.348974] ? takeover_tasklets+0xa90/0xa90 [ 242.353412] run_ksoftirqd+0x94/0x100 [ 242.357239] smpboot_thread_fn+0x68b/0xa00 [ 242.361478] ? sort_range+0x30/0x30 [ 242.365114] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 242.370224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.375805] ? __kthread_parkme+0xfb/0x1a0 [ 242.380050] kthread+0x35a/0x420 [ 242.383417] ? sort_range+0x30/0x30 [ 242.387050] ? kthread_bind+0x40/0x40 [ 242.390857] ret_from_fork+0x3a/0x50 [ 242.394588] warn_alloc_show_mem: 1 callbacks suppressed [ 242.394600] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 242.394602] Mem-Info: [ 242.394634] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 242.394634] active_file:11 inactive_file:12 isolated_file:0 [ 242.394634] unevictable:0 dirty:0 writeback:0 unstable:0 [ 242.394634] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 242.394634] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 242.394634] free:13647 free_pcp:360 free_cma:0 [ 242.399972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.407338] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 242.409741] Call Trace: [ 242.442804] Node 0 [ 242.452179] [ 242.479874] 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 [ 242.482438] dump_stack+0x1c4/0x2b6 [ 242.484653] lowmem_reserve[]: [ 242.486803] ? dump_stack_print_info.cold.1+0x20/0x20 [ 242.512311] 0 2819 [ 242.515970] warn_alloc.cold.119+0xb7/0x1bd [ 242.519081] 6323 [ 242.524262] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 242.526467] 6323 [ 242.530790] ? lock_downgrade+0x900/0x900 [ 242.532843] Node 0 [ 242.537684] ? trace_hardirqs_off+0xb8/0x310 [ 242.539748] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 242.543865] ? trace_hardirqs_off+0xb8/0x310 [ 242.546072] lowmem_reserve[]: 0 [ 242.550487] __alloc_pages_slowpath+0x265e/0x2d70 [ 242.577183] 0 [ 242.581655] ? warn_alloc+0x120/0x120 [ 242.584864] 3503 [ 242.589705] ? trace_hardirqs_on+0x310/0x310 [ 242.591494] 3503 [ 242.595285] ? warn_alloc+0x120/0x120 [ 242.601735] ? print_usage_bug+0xc0/0xc0 [ 242.603773] Node 0 [ 242.607564] ? warn_alloc+0x120/0x120 [ 242.611630] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 242.613835] ? ktime_get+0x2e1/0x440 [ 242.617613] lowmem_reserve[]: [ 242.646547] ? print_usage_bug+0xc0/0xc0 [ 242.650244] 0 [ 242.653347] ? __lock_acquire+0x7ec/0x4ec0 [ 242.657390] 0 [ 242.659192] ? __lock_acquire+0x7ec/0x4ec0 [ 242.663410] 0 [ 242.665209] ? kasan_check_read+0x11/0x20 [ 242.669434] 0 [ 242.671235] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.677167] ? should_fail+0x22d/0xd01 [ 242.682679] Node 0 [ 242.686559] ? rcu_bh_qs+0xc0/0xc0 [ 242.686569] DMA: [ 242.688799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.692318] 1*4kB [ 242.694386] ? __lock_acquire+0x7ec/0x4ec0 [ 242.699469] (U) [ 242.701613] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.705821] 0*8kB 0*16kB [ 242.707808] ? __lock_acquire+0x7ec/0x4ec0 [ 242.712889] 1*32kB [ 242.715643] ? should_fail+0x22d/0xd01 [ 242.719854] (U) 2*64kB [ 242.722097] ? rcu_idle_enter+0x4b0/0x4b0 [ 242.725959] (U) [ 242.728541] ? mark_held_locks+0x130/0x130 [ 242.732656] 1*128kB (U) [ 242.734643] ? mark_held_locks+0x130/0x130 [ 242.738854] 1*256kB [ 242.741518] ? mark_held_locks+0xc7/0x130 [ 242.745727] (U) [ 242.748046] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 242.752167] 0*512kB 1*1024kB [ 242.754147] ? graph_lock+0x170/0x170 [ 242.759142] (U) [ 242.762240] ? print_usage_bug+0xc0/0xc0 [ 242.766014] 1*2048kB (M) [ 242.767995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.772029] 3*4096kB (M) [ 242.774795] ? check_preemption_disabled+0x48/0x280 [ 242.780311] = 15908kB [ 242.783068] ? check_preemption_disabled+0x48/0x280 [ 242.788058] Node 0 [ 242.790471] ? __lock_is_held+0xb5/0x140 [ 242.795456] DMA32: [ 242.797693] __alloc_pages_nodemask+0xa80/0xde0 [ 242.801728] 4*4kB [ 242.803956] ? graph_lock+0x170/0x170 [ 242.808599] (UM) [ 242.810745] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 242.814529] 2*8kB [ 242.816586] ? graph_lock+0x170/0x170 [ 242.821578] (UM) [ 242.823731] ? find_held_lock+0x36/0x1c0 [ 242.827500] 2*16kB [ 242.829563] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.833620] (M) [ 242.835848] ? lock_downgrade+0x900/0x900 [ 242.840496] 3*32kB [ 242.842484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.846604] (UM) [ 242.848859] cache_grow_begin+0x91/0x8c0 [ 242.854381] 4*64kB [ 242.856441] ? do_raw_spin_unlock+0xa7/0x330 [ 242.860480] (M) [ 242.862722] fallback_alloc+0x203/0x2e0 [ 242.867124] 4*128kB [ 242.869095] ____cache_alloc_node+0x1c7/0x1e0 [ 242.873043] (UM) [ 242.875363] kmem_cache_alloc_node+0xe3/0x730 [ 242.879844] 3*256kB [ 242.881899] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.886378] (M) [ 242.888709] __alloc_skb+0x119/0x770 [ 242.892910] 3*512kB [ 242.894886] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.898571] (M) [ 242.900888] ? skb_scrub_packet+0x490/0x490 [ 242.906139] 3*1024kB (UM) [ 242.908119] ? lock_downgrade+0x900/0x900 [ 242.912411] 3*2048kB (M) [ 242.915260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.919387] 3*4096kB [ 242.922146] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.927657] (M) [ 242.930076] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.935514] = 24736kB [ 242.937486] ? addrconf_rs_timer+0x690/0x690 [ 242.942918] Node 0 [ 242.945328] ndisc_alloc_skb+0x144/0x340 [ 242.949708] Normal: [ 242.951939] ndisc_send_rs+0x331/0x6e0 [ 242.955974] 592*4kB [ 242.958294] addrconf_rs_timer+0x314/0x690 [ 242.962155] (UMEH) [ 242.964479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.968695] 405*8kB [ 242.970937] call_timer_fn+0x272/0x920 [ 242.975138] (UMEH) [ 242.977458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.981326] 177*16kB [ 242.983560] ? process_timeout+0x40/0x40 [ 242.987776] (UME) [ 242.990178] ? find_held_lock+0x36/0x1c0 [ 242.994217] 103*32kB [ 242.996400] ? __run_timers+0x7da/0xc70 [ 243.000449] (UMH) [ 243.002857] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.006808] 15*64kB [ 243.008952] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.013424] (UMH) [ 243.015751] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.020243] 0*128kB [ 243.022396] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 243.026608] 1*256kB [ 243.028926] ? trace_hardirqs_on+0xbd/0x310 [ 243.033495] (H) [ 243.035815] ? kasan_check_read+0x11/0x20 [ 243.040115] 0*512kB [ 243.042091] ? __run_timers+0x7da/0xc70 [ 243.046217] 1*1024kB [ 243.048539] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.052486] (H) [ 243.054894] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.060318] 0*2048kB [ 243.062306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.066520] 0*4096kB [ 243.068923] __run_timers+0x7e5/0xc70 [ 243.073127] = 13976kB [ 243.073156] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 243.075566] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.079352] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 243.081764] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.090575] 1241 total pagecache pages [ 243.095931] ? graph_lock+0x170/0x170 [ 243.104499] 0 pages in swap cache [ 243.109505] ? enqueue_hrtimer+0x1a5/0x560 [ 243.113382] Swap cache stats: add 0, delete 0, find 0/0 [ 243.117173] ? lock_release+0x970/0x970 [ 243.120600] Free swap = 0kB [ 243.120609] Total swap = 0kB [ 243.124838] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.130177] 1965979 pages RAM [ 243.134149] ? find_held_lock+0x36/0x1c0 [ 243.137139] 0 pages HighMem/MovableOnly [ 243.137148] 342306 pages reserved [ 243.140157] ? graph_lock+0x170/0x170 [ 243.145324] 0 pages cma reserved [ 243.148423] ? pvclock_read_flags+0x160/0x160 [ 243.152552] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.156430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.156448] ? check_preemption_disabled+0x48/0x280 [ 243.156471] ? __lock_is_held+0xb5/0x140 [ 243.159955] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.163697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.167041] ksoftirqd/1 cpuset= [ 243.171532] ? check_preemption_disabled+0x48/0x280 [ 243.178004] / [ 243.183538] run_timer_softirq+0x52/0xb0 [ 243.188532] mems_allowed=0 [ 243.192582] ? rcu_read_lock_sched_held+0x108/0x120 [ 243.230345] __do_softirq+0x30c/0xb03 [ 243.234171] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.239284] ? pvclock_read_flags+0x160/0x160 [ 243.243783] ? lapic_next_event+0x5a/0x90 [ 243.247936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.253478] ? check_preemption_disabled+0x48/0x280 [ 243.258493] ? check_preemption_disabled+0x48/0x280 [ 243.263518] ? kvm_clock_read+0x18/0x30 [ 243.267498] ? kvm_sched_clock_read+0x9/0x20 [ 243.271914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.277451] ? check_preemption_disabled+0x48/0x280 [ 243.282482] irq_exit+0x17f/0x1c0 [ 243.285940] smp_apic_timer_interrupt+0x1cb/0x760 [ 243.290783] ? smp_reschedule_interrupt+0x109/0x650 [ 243.295801] ? smp_call_function_single_interrupt+0x650/0x650 [ 243.301737] ? interrupt_entry+0xb5/0xf0 [ 243.305805] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.310819] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.315842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.320690] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.325718] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.330738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.336280] ? check_preemption_disabled+0x48/0x280 [ 243.341297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.346850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.351709] apic_timer_interrupt+0xf/0x20 [ 243.355936] [ 243.358191] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 243.363139] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 243.382040] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 243.389753] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 243.397020] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 243.404287] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 243.411554] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 243.418826] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 243.426132] skb_clone+0x1bb/0x500 [ 243.429676] ? skb_split+0x11e0/0x11e0 [ 243.433569] ? check_preemption_disabled+0x48/0x280 [ 243.438600] ? __this_cpu_preempt_check+0x1c/0x20 [ 243.443444] ? __bpf_redirect+0x54b/0xb20 [ 243.447614] bpf_clone_redirect+0xb9/0x490 [ 243.451865] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 243.456889] ? __sched_text_start+0x8/0x8 [ 243.461054] ? find_held_lock+0x36/0x1c0 [ 243.465125] ? lock_acquire+0x1ed/0x520 [ 243.469099] ? bpf_test_run+0x3cb/0x780 [ 243.473078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.478616] ? check_preemption_disabled+0x48/0x280 [ 243.483646] ? kasan_check_read+0x11/0x20 [ 243.487806] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.493089] ? rcu_bh_qs+0xc0/0xc0 [ 243.496631] ? preempt_schedule+0x4d/0x60 [ 243.500784] ? ___preempt_schedule+0x16/0x18 [ 243.505200] ? bpf_test_run+0x25d/0x780 [ 243.509190] ? netlink_diag_dump+0x2a0/0x2a0 [ 243.513603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.519157] ? bpf_test_init.isra.10+0x70/0x100 [ 243.523849] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 243.528616] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 243.533460] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 243.539003] ? fput+0x130/0x1a0 [ 243.542291] ? __bpf_prog_get+0x9b/0x290 [ 243.546361] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 243.551224] ? bpf_prog_test_run+0x130/0x1a0 [ 243.555677] ? __x64_sys_bpf+0x3d8/0x520 [ 243.559742] ? bpf_prog_get+0x20/0x20 [ 243.563566] ? do_syscall_64+0x1b9/0x820 [ 243.567631] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 243.573001] ? syscall_return_slowpath+0x5e0/0x5e0 [ 243.577939] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.582958] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 243.587974] ? recalc_sigpending_tsk+0x180/0x180 [ 243.592737] ? kasan_check_write+0x14/0x20 [ 243.596979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.601839] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.607263] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 243.607341] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.614191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.614206] Call Trace: [ 243.620781] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.630038] dump_stack+0x1c4/0x2b6 [ 243.632599] syz-executor0 cpuset= [ 243.643084] ? dump_stack_print_info.cold.1+0x20/0x20 [ 243.646686] syz0 [ 243.650145] warn_alloc.cold.119+0xb7/0x1bd [ 243.655304] mems_allowed=0 [ 243.657272] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 243.669345] ? lock_downgrade+0x900/0x900 [ 243.673515] ? trace_hardirqs_off+0xb8/0x310 [ 243.677930] ? trace_hardirqs_off+0xb8/0x310 [ 243.682360] __alloc_pages_slowpath+0x265e/0x2d70 [ 243.687249] ? warn_alloc+0x120/0x120 [ 243.691093] ? warn_alloc+0x120/0x120 [ 243.694898] ? print_usage_bug+0xc0/0xc0 [ 243.698961] ? warn_alloc+0x120/0x120 [ 243.702770] ? print_usage_bug+0xc0/0xc0 [ 243.706836] ? __lock_acquire+0x7ec/0x4ec0 [ 243.711104] ? __lock_acquire+0x7ec/0x4ec0 [ 243.715356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.720908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.726462] ? should_fail+0x22d/0xd01 [ 243.730360] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.735480] ? __lock_acquire+0x7ec/0x4ec0 [ 243.739728] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.744833] ? __lock_acquire+0x7ec/0x4ec0 [ 243.749066] ? should_fail+0x22d/0xd01 [ 243.752964] ? mark_held_locks+0x130/0x130 [ 243.757662] ? mark_held_locks+0x130/0x130 [ 243.761906] ? graph_lock+0x170/0x170 [ 243.765711] ? print_usage_bug+0xc0/0xc0 [ 243.769789] ? graph_lock+0x170/0x170 [ 243.773592] ? print_usage_bug+0xc0/0xc0 [ 243.777659] ? wq_watchdog_touch+0x9c/0xfe [ 243.781912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.787474] ? check_preemption_disabled+0x48/0x280 [ 243.792497] ? check_preemption_disabled+0x48/0x280 [ 243.797531] ? __lock_is_held+0xb5/0x140 [ 243.801605] __alloc_pages_nodemask+0xa80/0xde0 [ 243.806286] ? graph_lock+0x170/0x170 [ 243.810099] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 243.815122] ? graph_lock+0x170/0x170 [ 243.818943] ? find_held_lock+0x36/0x1c0 [ 243.823020] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.827698] ? lock_downgrade+0x900/0x900 [ 243.831859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.837420] cache_grow_begin+0x91/0x8c0 [ 243.841489] ? do_raw_spin_unlock+0xa7/0x330 [ 243.845910] fallback_alloc+0x203/0x2e0 [ 243.849894] ____cache_alloc_node+0x1c7/0x1e0 [ 243.854405] kmem_cache_alloc_node+0xe3/0x730 [ 243.858903] ? ipv6_get_ifaddr+0x42e/0x620 [ 243.863154] __alloc_skb+0x119/0x770 [ 243.866870] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.872155] ? skb_scrub_packet+0x490/0x490 [ 243.876485] ? lock_downgrade+0x900/0x900 [ 243.880648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.886189] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.891651] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.897103] ? addrconf_rs_timer+0x690/0x690 [ 243.901527] ndisc_alloc_skb+0x144/0x340 [ 243.905597] ndisc_send_rs+0x331/0x6e0 [ 243.909493] addrconf_rs_timer+0x314/0x690 [ 243.913738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.917990] call_timer_fn+0x272/0x920 [ 243.921885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.926130] ? process_timeout+0x40/0x40 [ 243.930209] ? find_held_lock+0x36/0x1c0 [ 243.934287] ? __run_timers+0x7da/0xc70 [ 243.938282] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.942784] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.947287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.951528] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 243.956122] ? trace_hardirqs_on+0xbd/0x310 [ 243.960448] ? kasan_check_read+0x11/0x20 [ 243.964606] ? __run_timers+0x7da/0xc70 [ 243.968587] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.974049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.978289] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.982529] __run_timers+0x7e5/0xc70 [ 243.986395] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.991768] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.996266] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.000769] ? lockdep_hardirqs_on+0x421/0x5c0 [ 244.005355] ? trace_hardirqs_on+0xbd/0x310 [ 244.009689] ? kasan_check_read+0x11/0x20 [ 244.013841] ? finish_task_switch+0x1f4/0x910 [ 244.018339] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.023804] ? compat_start_thread+0x80/0x80 [ 244.028225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.033779] ? _raw_spin_unlock_irq+0x60/0x80 [ 244.038288] ? pvclock_read_flags+0x160/0x160 [ 244.042787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.048333] ? check_preemption_disabled+0x48/0x280 [ 244.053363] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 244.058912] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.064192] ? rcu_pm_notify+0xc0/0xc0 [ 244.068091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.073633] ? check_preemption_disabled+0x48/0x280 [ 244.078665] run_timer_softirq+0x52/0xb0 [ 244.082734] ? rcu_read_lock_sched_held+0x108/0x120 [ 244.087763] __do_softirq+0x30c/0xb03 [ 244.091594] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 244.096713] ? trace_hardirqs_off+0x310/0x310 [ 244.101232] ? trace_hardirqs_on+0x310/0x310 [ 244.105669] ? schedule+0x108/0x460 [ 244.109306] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.114088] ? trace_hardirqs_off+0xb8/0x310 [ 244.118504] ? smpboot_thread_fn+0x68b/0xa00 [ 244.122916] ? trace_hardirqs_on+0x310/0x310 [ 244.127332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.132876] ? check_preemption_disabled+0x48/0x280 [ 244.137897] ? takeover_tasklets+0xa90/0xa90 [ 244.142314] run_ksoftirqd+0x94/0x100 [ 244.146122] smpboot_thread_fn+0x68b/0xa00 [ 244.150385] ? sort_range+0x30/0x30 [ 244.154021] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 244.159126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.164671] ? __kthread_parkme+0xfb/0x1a0 [ 244.168915] kthread+0x35a/0x420 [ 244.172286] ? sort_range+0x30/0x30 [ 244.175915] ? kthread_bind+0x40/0x40 [ 244.179724] ret_from_fork+0x3a/0x50 [ 244.183461] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 244.183466] warn_alloc_show_mem: 1 callbacks suppressed [ 244.183474] Mem-Info: [ 244.190838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.196214] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 244.196214] active_file:11 inactive_file:12 isolated_file:0 [ 244.196214] unevictable:0 dirty:0 writeback:0 unstable:0 [ 244.196214] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 244.196214] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 244.196214] free:13647 free_pcp:360 free_cma:0 [ 244.198581] Call Trace: [ 244.207967] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 244.240983] [ 244.243556] Node 0 [ 244.271230] dump_stack+0x1c4/0x2b6 [ 244.273416] 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 [ 244.275637] ? dump_stack_print_info.cold.1+0x20/0x20 [ 244.279250] lowmem_reserve[]: [ 244.304786] warn_alloc.cold.119+0xb7/0x1bd [ 244.309944] 0 [ 244.313050] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.317363] 2819 6323 [ 244.319190] ? lock_downgrade+0x900/0x900 [ 244.324010] 6323 [ 244.326512] ? trace_hardirqs_off+0xb8/0x310 [ 244.332694] ? trace_hardirqs_off+0xb8/0x310 [ 244.337074] Node 0 DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 244.341506] __alloc_pages_slowpath+0x265e/0x2d70 [ 244.341547] ? warn_alloc+0x120/0x120 [ 244.368816] lowmem_reserve[]: 0 [ 244.373662] ? trace_hardirqs_on+0x310/0x310 [ 244.377446] 0 3503 [ 244.380730] ? warn_alloc+0x120/0x120 [ 244.385110] 3503 [ 244.387351] ? print_usage_bug+0xc0/0xc0 [ 244.391130] Node 0 [ 244.393187] ? warn_alloc+0x120/0x120 [ 244.397257] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 244.399462] ? ktime_get+0x2e1/0x440 [ 244.403233] lowmem_reserve[]: 0 [ 244.431693] ? print_usage_bug+0xc0/0xc0 [ 244.435391] 0 [ 244.438667] ? __lock_acquire+0x7ec/0x4ec0 [ 244.442712] 0 [ 244.444507] ? __lock_acquire+0x7ec/0x4ec0 [ 244.448718] 0 [ 244.450517] ? kasan_check_read+0x11/0x20 [ 244.456524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.460647] Node 0 [ 244.466179] ? should_fail+0x22d/0xd01 [ 244.466182] DMA: 1*4kB [ 244.468424] ? rcu_bh_qs+0xc0/0xc0 [ 244.472287] (U) [ 244.474866] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.478388] 0*8kB [ 244.480379] ? __lock_acquire+0x7ec/0x4ec0 [ 244.485457] 0*16kB [ 244.487612] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.491821] 1*32kB [ 244.494053] ? __lock_acquire+0x7ec/0x4ec0 [ 244.499128] (U) [ 244.501361] ? should_fail+0x22d/0xd01 [ 244.505578] 2*64kB [ 244.507554] ? rcu_idle_enter+0x4b0/0x4b0 [ 244.511415] (U) [ 244.513650] ? mark_held_locks+0x130/0x130 [ 244.517784] 1*128kB (U) [ 244.519765] ? mark_held_locks+0x130/0x130 [ 244.523979] 1*256kB [ 244.526645] ? mark_held_locks+0xc7/0x130 [ 244.530856] (U) [ 244.533178] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 244.537313] 0*512kB 1*1024kB [ 244.539291] ? graph_lock+0x170/0x170 [ 244.544291] (U) [ 244.547398] ? print_usage_bug+0xc0/0xc0 [ 244.551175] 1*2048kB [ 244.553148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.557182] (M) [ 244.559592] ? check_preemption_disabled+0x48/0x280 [ 244.565093] 3*4096kB (M) [ 244.567071] ? check_preemption_disabled+0x48/0x280 [ 244.572062] = 15908kB [ 244.574816] ? __lock_is_held+0xb5/0x140 [ 244.579807] Node 0 [ 244.582221] __alloc_pages_nodemask+0xa80/0xde0 [ 244.586256] DMA32: [ 244.588487] ? graph_lock+0x170/0x170 [ 244.593132] 4*4kB [ 244.595361] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 244.599143] (UM) [ 244.601281] ? graph_lock+0x170/0x170 [ 244.601336] ? find_held_lock+0x36/0x1c0 [ 244.606322] 2*8kB [ 244.608393] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.612164] (UM) [ 244.616222] ? lock_downgrade+0x900/0x900 [ 244.618349] 2*16kB [ 244.623476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.625514] (M) [ 244.629656] cache_grow_begin+0x91/0x8c0 [ 244.631864] 3*32kB (UM) [ 244.637409] ? do_raw_spin_unlock+0xa7/0x330 [ 244.639359] 4*64kB (M) [ 244.643449] fallback_alloc+0x203/0x2e0 [ 244.646098] 4*128kB [ 244.650504] ____cache_alloc_node+0x1c7/0x1e0 [ 244.653056] (UM) 3*256kB [ 244.657040] kmem_cache_alloc_node+0xe3/0x730 [ 244.659340] (M) [ 244.663833] ? ipv6_get_ifaddr+0x42e/0x620 [ 244.666564] 3*512kB (M) [ 244.671069] __alloc_skb+0x119/0x770 [ 244.673011] 3*1024kB (UM) [ 244.677266] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 244.679912] 3*2048kB [ 244.683618] ? skb_scrub_packet+0x490/0x490 [ 244.686440] (M) [ 244.691716] ? lock_downgrade+0x900/0x900 [ 244.694102] 3*4096kB [ 244.698421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.700378] (M) [ 244.704526] ? refcount_sub_and_test_checked+0x203/0x310 [ 244.706903] = 24736kB [ 244.706913] Node 0 [ 244.712453] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 244.714398] Normal: 592*4kB [ 244.719852] ? addrconf_rs_timer+0x690/0x690 [ 244.722237] (UMEH) 405*8kB [ 244.724513] ndisc_alloc_skb+0x144/0x340 [ 244.729932] (UMEH) [ 244.732951] ndisc_send_rs+0x331/0x6e0 [ 244.737329] 177*16kB (UME) [ 244.740279] addrconf_rs_timer+0x314/0x690 [ 244.744313] 103*32kB [ 244.746546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.750445] (UMH) [ 244.753405] call_timer_fn+0x272/0x920 [ 244.757607] 15*64kB [ 244.760008] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.764223] (UMH) [ 244.766387] ? process_timeout+0x40/0x40 [ 244.770273] 0*128kB [ 244.772587] ? find_held_lock+0x36/0x1c0 [ 244.776800] 1*256kB [ 244.778948] ? __run_timers+0x7da/0xc70 [ 244.782980] (H) [ 244.785303] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.789341] 0*512kB [ 244.791658] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.795606] 1*1024kB [ 244.797576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.802041] (H) 0*2048kB [ 244.804369] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 244.808855] 0*4096kB [ 244.811261] ? trace_hardirqs_on+0xbd/0x310 [ 244.815464] = 13976kB [ 244.815478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 244.818220] ? kasan_check_read+0x11/0x20 [ 244.818237] ? __run_timers+0x7da/0xc70 [ 244.822803] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 244.825201] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.829506] 1241 total pagecache pages [ 244.831911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.840816] 0 pages in swap cache [ 244.844954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.848906] Swap cache stats: add 0, delete 0, find 0/0 [ 244.857478] __run_timers+0x7e5/0xc70 [ 244.862908] Free swap = 0kB [ 244.866798] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 244.870992] Total swap = 0kB [ 244.870999] 1965979 pages RAM [ 244.874447] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 244.878658] 0 pages HighMem/MovableOnly [ 244.884013] ? graph_lock+0x170/0x170 [ 244.887783] 342306 pages reserved [ 244.887792] 0 pages cma reserved [ 244.890818] ? enqueue_hrtimer+0x1a5/0x560 [ 244.896256] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 244.899167] ? lock_release+0x970/0x970 [ 244.899182] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 244.902338] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 244.907284] ? find_held_lock+0x36/0x1c0 [ 244.911235] ksoftirqd/1 cpuset= [ 244.915033] ? graph_lock+0x170/0x170 [ 244.918462] / [ 244.921823] ? pvclock_read_flags+0x160/0x160 [ 244.926040] mems_allowed=0 [ 244.932546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.977695] ? check_preemption_disabled+0x48/0x280 [ 244.982743] ? __lock_is_held+0xb5/0x140 [ 244.986811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.992389] ? check_preemption_disabled+0x48/0x280 [ 244.997422] run_timer_softirq+0x52/0xb0 [ 245.001489] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.006512] __do_softirq+0x30c/0xb03 [ 245.010344] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.015477] ? pvclock_read_flags+0x160/0x160 [ 245.019975] ? lapic_next_event+0x5a/0x90 [ 245.024125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.029666] ? check_preemption_disabled+0x48/0x280 [ 245.034683] ? check_preemption_disabled+0x48/0x280 [ 245.039716] ? kvm_clock_read+0x18/0x30 [ 245.043697] ? kvm_sched_clock_read+0x9/0x20 [ 245.048119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.053663] ? check_preemption_disabled+0x48/0x280 [ 245.058696] irq_exit+0x17f/0x1c0 [ 245.062181] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.067033] ? smp_reschedule_interrupt+0x109/0x650 [ 245.072051] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.077945] ? interrupt_entry+0xb5/0xf0 [ 245.082008] ? trace_hardirqs_off_caller+0xbb/0x310 [ 245.087024] ? trace_hardirqs_off_caller+0xbb/0x310 [ 245.092043] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.096888] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.101904] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.106923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.112464] ? check_preemption_disabled+0x48/0x280 [ 245.117509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.123055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.127911] apic_timer_interrupt+0xf/0x20 [ 245.132140] [ 245.134389] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 245.139324] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 245.158232] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 245.165948] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 245.173215] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 245.180482] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 245.187750] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 245.195018] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 245.202331] skb_clone+0x1bb/0x500 [ 245.205872] ? skb_split+0x11e0/0x11e0 [ 245.209765] ? check_preemption_disabled+0x48/0x280 [ 245.214789] ? __this_cpu_preempt_check+0x1c/0x20 [ 245.219635] ? __bpf_redirect+0x54b/0xb20 [ 245.223793] bpf_clone_redirect+0xb9/0x490 [ 245.228043] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 245.233065] ? __sched_text_start+0x8/0x8 [ 245.237247] ? find_held_lock+0x36/0x1c0 [ 245.241335] ? lock_acquire+0x1ed/0x520 [ 245.245312] ? bpf_test_run+0x3cb/0x780 [ 245.249295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.254837] ? check_preemption_disabled+0x48/0x280 [ 245.259863] ? kasan_check_read+0x11/0x20 [ 245.264019] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.269297] ? rcu_bh_qs+0xc0/0xc0 [ 245.272844] ? preempt_schedule+0x4d/0x60 [ 245.276996] ? ___preempt_schedule+0x16/0x18 [ 245.281416] ? bpf_test_run+0x25d/0x780 [ 245.285414] ? netlink_diag_dump+0x2a0/0x2a0 [ 245.289832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.295381] ? bpf_test_init.isra.10+0x70/0x100 [ 245.300063] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 245.304828] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 245.309676] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.315222] ? fput+0x130/0x1a0 [ 245.318505] ? __bpf_prog_get+0x9b/0x290 [ 245.322588] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 245.327431] ? bpf_prog_test_run+0x130/0x1a0 [ 245.331850] ? __x64_sys_bpf+0x3d8/0x520 [ 245.335915] ? bpf_prog_get+0x20/0x20 [ 245.339742] ? do_syscall_64+0x1b9/0x820 [ 245.343808] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 245.349177] ? syscall_return_slowpath+0x5e0/0x5e0 [ 245.354113] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.359133] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 245.364153] ? recalc_sigpending_tsk+0x180/0x180 [ 245.368913] ? kasan_check_write+0x14/0x20 [ 245.373159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.378016] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 245.383410] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 245.383482] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.390338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.390344] Call Trace: [ 245.390364] dump_stack+0x1c4/0x2b6 [ 245.390396] ? dump_stack_print_info.cold.1+0x20/0x20 [ 245.396960] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.406246] warn_alloc.cold.119+0xb7/0x1bd [ 245.408798] syz-executor0 cpuset= [ 245.412427] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 245.417592] syz0 [ 245.428077] ? lock_downgrade+0x900/0x900 [ 245.432384] mems_allowed=0 [ 245.435835] ? trace_hardirqs_off+0xb8/0x310 [ 245.454108] ? trace_hardirqs_off+0xb8/0x310 [ 245.458571] __alloc_pages_slowpath+0x265e/0x2d70 [ 245.463455] ? warn_alloc+0x120/0x120 [ 245.467268] ? warn_alloc+0x120/0x120 [ 245.471080] ? print_usage_bug+0xc0/0xc0 [ 245.475144] ? warn_alloc+0x120/0x120 [ 245.478948] ? print_usage_bug+0xc0/0xc0 [ 245.483015] ? __lock_acquire+0x7ec/0x4ec0 [ 245.487252] ? __lock_acquire+0x7ec/0x4ec0 [ 245.491493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.497032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.502573] ? should_fail+0x22d/0xd01 [ 245.506482] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.511620] ? __lock_acquire+0x7ec/0x4ec0 [ 245.515861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.520969] ? __lock_acquire+0x7ec/0x4ec0 [ 245.525211] ? should_fail+0x22d/0xd01 [ 245.529112] ? mark_held_locks+0x130/0x130 [ 245.533360] ? mark_held_locks+0x130/0x130 [ 245.537608] ? graph_lock+0x170/0x170 [ 245.541430] ? print_usage_bug+0xc0/0xc0 [ 245.545493] ? graph_lock+0x170/0x170 [ 245.549295] ? print_usage_bug+0xc0/0xc0 [ 245.553363] ? wq_watchdog_touch+0x9c/0xfe [ 245.557611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.563160] ? check_preemption_disabled+0x48/0x280 [ 245.568180] ? check_preemption_disabled+0x48/0x280 [ 245.573216] ? __lock_is_held+0xb5/0x140 [ 245.577287] __alloc_pages_nodemask+0xa80/0xde0 [ 245.581958] ? graph_lock+0x170/0x170 [ 245.585765] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 245.590782] ? graph_lock+0x170/0x170 [ 245.594597] ? find_held_lock+0x36/0x1c0 [ 245.598671] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.603349] ? lock_downgrade+0x900/0x900 [ 245.607521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.613067] cache_grow_begin+0x91/0x8c0 [ 245.617132] ? do_raw_spin_unlock+0xa7/0x330 [ 245.621551] fallback_alloc+0x203/0x2e0 [ 245.625534] ____cache_alloc_node+0x1c7/0x1e0 [ 245.630039] kmem_cache_alloc_node+0xe3/0x730 [ 245.634541] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.638798] __alloc_skb+0x119/0x770 [ 245.642521] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.647803] ? skb_scrub_packet+0x490/0x490 [ 245.652134] ? lock_downgrade+0x900/0x900 [ 245.656298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.661851] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.667309] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.672766] ? addrconf_rs_timer+0x690/0x690 [ 245.677189] ndisc_alloc_skb+0x144/0x340 [ 245.681260] ndisc_send_rs+0x331/0x6e0 [ 245.685154] addrconf_rs_timer+0x314/0x690 [ 245.689417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.693669] call_timer_fn+0x272/0x920 [ 245.697569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.701813] ? process_timeout+0x40/0x40 [ 245.705878] ? find_held_lock+0x36/0x1c0 [ 245.709956] ? __run_timers+0x7da/0xc70 [ 245.713940] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.718437] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.722931] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.727170] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 245.731761] ? trace_hardirqs_on+0xbd/0x310 [ 245.736091] ? kasan_check_read+0x11/0x20 [ 245.740243] ? __run_timers+0x7da/0xc70 [ 245.744227] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.749691] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.754461] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.758700] __run_timers+0x7e5/0xc70 [ 245.762520] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.767892] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.772398] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.776898] ? lockdep_hardirqs_on+0x421/0x5c0 [ 245.781487] ? trace_hardirqs_on+0xbd/0x310 [ 245.785813] ? kasan_check_read+0x11/0x20 [ 245.790528] ? finish_task_switch+0x1f4/0x910 [ 245.795027] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.800483] ? compat_start_thread+0x80/0x80 [ 245.804900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.810447] ? _raw_spin_unlock_irq+0x60/0x80 [ 245.814954] ? pvclock_read_flags+0x160/0x160 [ 245.819450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.824991] ? check_preemption_disabled+0x48/0x280 [ 245.830023] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 245.835562] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.840844] ? rcu_pm_notify+0xc0/0xc0 [ 245.844739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.850283] ? check_preemption_disabled+0x48/0x280 [ 245.855311] run_timer_softirq+0x52/0xb0 [ 245.859385] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.864415] __do_softirq+0x30c/0xb03 [ 245.868238] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.873342] ? trace_hardirqs_off+0x310/0x310 [ 245.877845] ? trace_hardirqs_on+0x310/0x310 [ 245.882261] ? schedule+0x108/0x460 [ 245.885889] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.890659] ? trace_hardirqs_off+0xb8/0x310 [ 245.895073] ? smpboot_thread_fn+0x68b/0xa00 [ 245.899482] ? trace_hardirqs_on+0x310/0x310 [ 245.903895] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.909436] ? check_preemption_disabled+0x48/0x280 [ 245.914458] ? takeover_tasklets+0xa90/0xa90 [ 245.918875] run_ksoftirqd+0x94/0x100 [ 245.922679] smpboot_thread_fn+0x68b/0xa00 [ 245.926924] ? sort_range+0x30/0x30 [ 245.930556] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 245.935664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.941207] ? __kthread_parkme+0xfb/0x1a0 [ 245.945455] kthread+0x35a/0x420 [ 245.948822] ? sort_range+0x30/0x30 [ 245.952449] ? kthread_bind+0x40/0x40 [ 245.956257] ret_from_fork+0x3a/0x50 [ 245.959988] warn_alloc_show_mem: 1 callbacks suppressed [ 245.960001] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 245.960003] Mem-Info: [ 245.960034] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 245.960034] active_file:11 inactive_file:12 isolated_file:0 [ 245.960034] unevictable:0 dirty:0 writeback:0 unstable:0 [ 245.960034] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 245.960034] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 245.960034] free:13647 free_pcp:360 free_cma:0 [ 245.965383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.972749] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 245.975149] Call Trace: [ 246.008199] Node 0 [ 246.017549] [ 246.045232] 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 [ 246.047789] dump_stack+0x1c4/0x2b6 [ 246.049989] lowmem_reserve[]: 0 [ 246.052146] ? dump_stack_print_info.cold.1+0x20/0x20 [ 246.077623] 2819 [ 246.081252] warn_alloc.cold.119+0xb7/0x1bd [ 246.084496] 6323 [ 246.089679] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.091719] 6323 [ 246.096035] ? lock_downgrade+0x900/0x900 [ 246.102913] ? trace_hardirqs_off+0xb8/0x310 [ 246.104953] Node 0 [ 246.109098] ? trace_hardirqs_off+0xb8/0x310 [ 246.113504] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 246.115721] __alloc_pages_slowpath+0x265e/0x2d70 [ 246.120095] lowmem_reserve[]: [ 246.146836] ? warn_alloc+0x120/0x120 [ 246.151632] 0 [ 246.154736] ? trace_hardirqs_on+0x310/0x310 [ 246.158515] 0 [ 246.160315] ? warn_alloc+0x120/0x120 [ 246.164699] 3503 [ 246.166506] ? print_usage_bug+0xc0/0xc0 [ 246.170282] 3503 [ 246.172338] ? warn_alloc+0x120/0x120 [ 246.176387] Node 0 [ 246.178446] ? ktime_get+0x2e1/0x440 [ 246.182254] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 246.184461] ? print_usage_bug+0xc0/0xc0 [ 246.188152] lowmem_reserve[]: [ 246.216623] ? __lock_acquire+0x7ec/0x4ec0 [ 246.220662] 0 [ 246.223761] ? __lock_acquire+0x7ec/0x4ec0 [ 246.227974] 0 [ 246.229776] ? kasan_check_read+0x11/0x20 [ 246.233984] 0 [ 246.235782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.239898] 0 [ 246.241721] ? should_fail+0x22d/0xd01 [ 246.247234] Node 0 [ 246.249037] ? rcu_bh_qs+0xc0/0xc0 [ 246.252890] DMA: 1*4kB [ 246.255130] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.258664] (U) [ 246.261244] ? __lock_acquire+0x7ec/0x4ec0 [ 246.266322] 0*8kB [ 246.268297] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.272512] 0*16kB [ 246.274659] ? __lock_acquire+0x7ec/0x4ec0 [ 246.279743] 1*32kB [ 246.281972] ? should_fail+0x22d/0xd01 [ 246.286183] (U) [ 246.288422] ? rcu_idle_enter+0x4b0/0x4b0 [ 246.292280] 2*64kB (U) [ 246.294265] ? mark_held_locks+0x130/0x130 [ 246.298393] 1*128kB [ 246.300971] ? mark_held_locks+0x130/0x130 [ 246.305198] (U) [ 246.307516] ? mark_held_locks+0xc7/0x130 [ 246.311724] 1*256kB [ 246.313693] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 246.317823] (U) [ 246.320144] ? graph_lock+0x170/0x170 [ 246.325141] 0*512kB [ 246.327111] ? print_usage_bug+0xc0/0xc0 [ 246.330884] 1*1024kB (U) [ 246.333212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.337264] 1*2048kB [ 246.340019] ? check_preemption_disabled+0x48/0x280 [ 246.345534] (M) [ 246.347951] ? check_preemption_disabled+0x48/0x280 [ 246.352943] 3*4096kB [ 246.354920] ? __lock_is_held+0xb5/0x140 [ 246.359921] (M) = 15908kB [ 246.362339] __alloc_pages_nodemask+0xa80/0xde0 [ 246.366385] Node 0 [ 246.369138] ? graph_lock+0x170/0x170 [ 246.373779] DMA32: 4*4kB [ 246.376020] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 246.379788] (UM) 2*8kB [ 246.382549] ? graph_lock+0x170/0x170 [ 246.387539] (UM) [ 246.390122] ? find_held_lock+0x36/0x1c0 [ 246.393893] 2*16kB [ 246.395954] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.399976] (M) 3*32kB [ 246.402308] ? lock_downgrade+0x900/0x900 [ 246.406950] (UM) [ 246.409532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.413646] 4*64kB (M) [ 246.415720] cache_grow_begin+0x91/0x8c0 [ 246.421226] 4*128kB [ 246.423819] ? do_raw_spin_unlock+0xa7/0x330 [ 246.427854] (UM) [ 246.430179] fallback_alloc+0x203/0x2e0 [ 246.434555] 3*256kB (M) [ 246.436625] ____cache_alloc_node+0x1c7/0x1e0 [ 246.440572] 3*512kB (M) [ 246.443249] kmem_cache_alloc_node+0xe3/0x730 [ 246.447722] 3*1024kB [ 246.450394] ? ipv6_get_ifaddr+0x42e/0x620 [ 246.454868] (UM) [ 246.457283] __alloc_skb+0x119/0x770 [ 246.461488] 3*2048kB [ 246.463551] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.467234] (M) [ 246.469641] ? skb_scrub_packet+0x490/0x490 [ 246.474894] 3*4096kB [ 246.476867] ? lock_downgrade+0x900/0x900 [ 246.481162] (M) [ 246.483569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.487689] = 24736kB [ 246.489666] ? refcount_sub_and_test_checked+0x203/0x310 [ 246.495175] Node 0 [ 246.497581] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 246.503003] Normal: [ 246.505239] ? addrconf_rs_timer+0x690/0x690 [ 246.510671] 592*4kB [ 246.513002] ndisc_alloc_skb+0x144/0x340 [ 246.517385] (UMEH) [ 246.519711] ndisc_send_rs+0x331/0x6e0 [ 246.523738] 405*8kB (UMEH) [ 246.525981] addrconf_rs_timer+0x314/0x690 [ 246.529846] 177*16kB [ 246.532771] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.536982] (UME) [ 246.539404] call_timer_fn+0x272/0x920 [ 246.543598] 103*32kB (UMH) [ 246.545754] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.549617] 15*64kB (UMH) [ 246.552553] ? process_timeout+0x40/0x40 [ 246.556764] 0*128kB [ 246.559600] ? find_held_lock+0x36/0x1c0 [ 246.563638] 1*256kB [ 246.565959] ? __run_timers+0x7da/0xc70 [ 246.570002] (H) [ 246.572338] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.576629] 0*512kB [ 246.578601] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.583071] 1*1024kB (H) [ 246.585412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.589886] 0*2048kB [ 246.592643] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 246.596853] 0*4096kB = 13976kB [ 246.599279] ? trace_hardirqs_on+0xbd/0x310 [ 246.603840] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 246.607033] ? kasan_check_read+0x11/0x20 [ 246.611338] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 246.611348] 1241 total pagecache pages [ 246.620203] ? __run_timers+0x7da/0xc70 [ 246.624334] 0 pages in swap cache [ 246.632905] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.636766] Swap cache stats: add 0, delete 0, find 0/0 [ 246.636775] Free swap = 0kB [ 246.640744] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.644173] Total swap = 0kB [ 246.649618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.654958] 1965979 pages RAM [ 246.657981] __run_timers+0x7e5/0xc70 [ 246.662189] 0 pages HighMem/MovableOnly [ 246.665212] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 246.669421] 342306 pages reserved [ 246.669430] 0 pages cma reserved [ 246.672534] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 246.676389] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 246.680274] ? graph_lock+0x170/0x170 [ 246.685673] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 246.689063] ? enqueue_hrtimer+0x1a5/0x560 [ 246.692413] ksoftirqd/1 cpuset= [ 246.697420] ? lock_release+0x970/0x970 [ 246.697436] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 246.703907] / [ 246.707717] ? find_held_lock+0x36/0x1c0 [ 246.718021] mems_allowed=0 [ 246.743381] ? graph_lock+0x170/0x170 [ 246.747189] ? pvclock_read_flags+0x160/0x160 [ 246.751722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.757267] ? check_preemption_disabled+0x48/0x280 [ 246.762298] ? __lock_is_held+0xb5/0x140 [ 246.766370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.771925] ? check_preemption_disabled+0x48/0x280 [ 246.776956] run_timer_softirq+0x52/0xb0 [ 246.781019] ? rcu_read_lock_sched_held+0x108/0x120 [ 246.786042] __do_softirq+0x30c/0xb03 [ 246.789857] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 246.794968] ? pvclock_read_flags+0x160/0x160 [ 246.799465] ? lapic_next_event+0x5a/0x90 [ 246.803617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.809164] ? check_preemption_disabled+0x48/0x280 [ 246.814183] ? check_preemption_disabled+0x48/0x280 [ 246.819213] ? kvm_clock_read+0x18/0x30 [ 246.823193] ? kvm_sched_clock_read+0x9/0x20 [ 246.827608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.833148] ? check_preemption_disabled+0x48/0x280 [ 246.838189] irq_exit+0x17f/0x1c0 [ 246.841648] smp_apic_timer_interrupt+0x1cb/0x760 [ 246.846490] ? smp_reschedule_interrupt+0x109/0x650 [ 246.851511] ? smp_call_function_single_interrupt+0x650/0x650 [ 246.857410] ? interrupt_entry+0xb5/0xf0 [ 246.861475] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.866494] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.871514] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.876358] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.881390] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.886415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.891958] ? check_preemption_disabled+0x48/0x280 [ 246.896975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.902527] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.907389] apic_timer_interrupt+0xf/0x20 [ 246.911623] [ 246.913864] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 246.918797] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 246.937711] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 246.945425] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 246.952691] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 246.959967] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 246.967239] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 246.974506] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 246.981823] skb_clone+0x1bb/0x500 [ 246.985372] ? skb_split+0x11e0/0x11e0 [ 246.989270] ? check_preemption_disabled+0x48/0x280 [ 246.994295] ? __this_cpu_preempt_check+0x1c/0x20 [ 246.999142] ? __bpf_redirect+0x54b/0xb20 [ 247.003300] bpf_clone_redirect+0xb9/0x490 [ 247.007545] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 247.012570] ? __sched_text_start+0x8/0x8 [ 247.016741] ? find_held_lock+0x36/0x1c0 [ 247.020811] ? lock_acquire+0x1ed/0x520 [ 247.024787] ? bpf_test_run+0x3cb/0x780 [ 247.028762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.034301] ? check_preemption_disabled+0x48/0x280 [ 247.039330] ? kasan_check_read+0x11/0x20 [ 247.043501] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.048797] ? rcu_bh_qs+0xc0/0xc0 [ 247.052339] ? preempt_schedule+0x4d/0x60 [ 247.056496] ? ___preempt_schedule+0x16/0x18 [ 247.060913] ? bpf_test_run+0x25d/0x780 [ 247.064899] ? netlink_diag_dump+0x2a0/0x2a0 [ 247.069313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.074852] ? bpf_test_init.isra.10+0x70/0x100 [ 247.079528] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 247.084295] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 247.089139] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.094678] ? fput+0x130/0x1a0 [ 247.097969] ? __bpf_prog_get+0x9b/0x290 [ 247.102046] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 247.106892] ? bpf_prog_test_run+0x130/0x1a0 [ 247.111305] ? __x64_sys_bpf+0x3d8/0x520 [ 247.115368] ? bpf_prog_get+0x20/0x20 [ 247.119205] ? do_syscall_64+0x1b9/0x820 [ 247.123272] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.128644] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.133577] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.138598] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.143619] ? recalc_sigpending_tsk+0x180/0x180 [ 247.148386] ? kasan_check_write+0x14/0x20 [ 247.152631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.157490] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.162872] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 247.162962] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.169801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.169807] Call Trace: [ 247.169827] dump_stack+0x1c4/0x2b6 [ 247.169850] ? dump_stack_print_info.cold.1+0x20/0x20 [ 247.176425] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.185691] warn_alloc.cold.119+0xb7/0x1bd [ 247.188245] syz-executor0 cpuset= [ 247.191871] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.197033] syz0 [ 247.207520] ? lock_downgrade+0x900/0x900 [ 247.211816] mems_allowed=0 [ 247.215264] ? trace_hardirqs_off+0xb8/0x310 [ 247.233504] ? trace_hardirqs_off+0xb8/0x310 [ 247.237932] __alloc_pages_slowpath+0x265e/0x2d70 [ 247.242816] ? warn_alloc+0x120/0x120 [ 247.246629] ? warn_alloc+0x120/0x120 [ 247.250449] ? print_usage_bug+0xc0/0xc0 [ 247.254519] ? warn_alloc+0x120/0x120 [ 247.258323] ? print_usage_bug+0xc0/0xc0 [ 247.262397] ? __lock_acquire+0x7ec/0x4ec0 [ 247.266637] ? __lock_acquire+0x7ec/0x4ec0 [ 247.270877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.276416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.281958] ? should_fail+0x22d/0xd01 [ 247.285856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.290962] ? __lock_acquire+0x7ec/0x4ec0 [ 247.295212] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.300326] ? __lock_acquire+0x7ec/0x4ec0 [ 247.304563] ? should_fail+0x22d/0xd01 [ 247.308462] ? mark_held_locks+0x130/0x130 [ 247.312708] ? mark_held_locks+0x130/0x130 [ 247.316951] ? graph_lock+0x170/0x170 [ 247.320760] ? print_usage_bug+0xc0/0xc0 [ 247.324829] ? graph_lock+0x170/0x170 [ 247.328633] ? print_usage_bug+0xc0/0xc0 [ 247.332702] ? wq_watchdog_touch+0x9c/0xfe [ 247.336951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.342492] ? check_preemption_disabled+0x48/0x280 [ 247.347514] ? check_preemption_disabled+0x48/0x280 [ 247.352548] ? __lock_is_held+0xb5/0x140 [ 247.356617] __alloc_pages_nodemask+0xa80/0xde0 [ 247.361288] ? graph_lock+0x170/0x170 [ 247.365097] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 247.370114] ? graph_lock+0x170/0x170 [ 247.373932] ? find_held_lock+0x36/0x1c0 [ 247.378026] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.382702] ? lock_downgrade+0x900/0x900 [ 247.386859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.392411] cache_grow_begin+0x91/0x8c0 [ 247.396477] ? do_raw_spin_unlock+0xa7/0x330 [ 247.400894] fallback_alloc+0x203/0x2e0 [ 247.404883] ____cache_alloc_node+0x1c7/0x1e0 [ 247.409396] kmem_cache_alloc_node+0xe3/0x730 [ 247.413897] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.418149] __alloc_skb+0x119/0x770 [ 247.421866] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.427151] ? skb_scrub_packet+0x490/0x490 [ 247.431480] ? lock_downgrade+0x900/0x900 [ 247.435638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.441180] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.446646] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.452135] ? addrconf_rs_timer+0x690/0x690 [ 247.456562] ndisc_alloc_skb+0x144/0x340 [ 247.460632] ndisc_send_rs+0x331/0x6e0 [ 247.464533] addrconf_rs_timer+0x314/0x690 [ 247.468783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.473036] call_timer_fn+0x272/0x920 [ 247.476927] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.481172] ? process_timeout+0x40/0x40 [ 247.485252] ? find_held_lock+0x36/0x1c0 [ 247.489337] ? __run_timers+0x7da/0xc70 [ 247.493331] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.497833] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.502329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.506570] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 247.511166] ? trace_hardirqs_on+0xbd/0x310 [ 247.515495] ? kasan_check_read+0x11/0x20 [ 247.519659] ? __run_timers+0x7da/0xc70 [ 247.523640] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.529103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.533345] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.537591] __run_timers+0x7e5/0xc70 [ 247.541416] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.546786] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.551289] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.555801] ? lockdep_hardirqs_on+0x421/0x5c0 [ 247.560395] ? trace_hardirqs_on+0xbd/0x310 [ 247.564724] ? kasan_check_read+0x11/0x20 [ 247.568881] ? finish_task_switch+0x1f4/0x910 [ 247.573402] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.578870] ? compat_start_thread+0x80/0x80 [ 247.583289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.588833] ? _raw_spin_unlock_irq+0x60/0x80 [ 247.593340] ? pvclock_read_flags+0x160/0x160 [ 247.597847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.603402] ? check_preemption_disabled+0x48/0x280 [ 247.608438] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 247.613978] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.619257] ? rcu_pm_notify+0xc0/0xc0 [ 247.623150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.628690] ? check_preemption_disabled+0x48/0x280 [ 247.633721] run_timer_softirq+0x52/0xb0 [ 247.637790] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.642808] __do_softirq+0x30c/0xb03 [ 247.646626] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.651729] ? trace_hardirqs_off+0x310/0x310 [ 247.656229] ? trace_hardirqs_on+0x310/0x310 [ 247.660647] ? schedule+0x108/0x460 [ 247.664274] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.669043] ? trace_hardirqs_off+0xb8/0x310 [ 247.673452] ? smpboot_thread_fn+0x68b/0xa00 [ 247.677862] ? trace_hardirqs_on+0x310/0x310 [ 247.682276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.687818] ? check_preemption_disabled+0x48/0x280 [ 247.692842] ? takeover_tasklets+0xa90/0xa90 [ 247.697260] run_ksoftirqd+0x94/0x100 [ 247.701061] smpboot_thread_fn+0x68b/0xa00 [ 247.705300] ? sort_range+0x30/0x30 [ 247.708937] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 247.714048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.719589] ? __kthread_parkme+0xfb/0x1a0 [ 247.723836] kthread+0x35a/0x420 [ 247.727215] ? sort_range+0x30/0x30 [ 247.730845] ? kthread_bind+0x40/0x40 [ 247.734658] ret_from_fork+0x3a/0x50 [ 247.738403] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 247.738409] warn_alloc_show_mem: 1 callbacks suppressed [ 247.738416] Mem-Info: [ 247.745855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.745864] Call Trace: [ 247.751246] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 247.751246] active_file:11 inactive_file:12 isolated_file:0 [ 247.751246] unevictable:0 dirty:0 writeback:0 unstable:0 [ 247.751246] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 247.751246] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 247.751246] free:13647 free_pcp:360 free_cma:0 [ 247.753622] [ 247.763484] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 247.766073] dump_stack+0x1c4/0x2b6 [ 247.799103] Node 0 [ 247.801267] ? dump_stack_print_info.cold.1+0x20/0x20 [ 247.828972] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 247.832579] warn_alloc.cold.119+0xb7/0x1bd [ 247.834779] lowmem_reserve[]: 0 [ 247.839975] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.865452] 2819 6323 [ 247.869784] ? lock_downgrade+0x900/0x900 [ 247.873035] 6323 [ 247.877873] ? trace_hardirqs_off+0xb8/0x310 [ 247.884487] ? trace_hardirqs_off+0xb8/0x310 [ 247.886525] Node 0 [ 247.890932] __alloc_pages_slowpath+0x265e/0x2d70 [ 247.895335] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 247.897568] ? warn_alloc+0x120/0x120 [ 247.902361] lowmem_reserve[]: [ 247.929091] ? trace_hardirqs_on+0x310/0x310 [ 247.932872] 0 [ 247.935970] ? warn_alloc+0x120/0x120 [ 247.940356] 0 [ 247.942164] ? print_usage_bug+0xc0/0xc0 [ 247.945935] 3503 [ 247.947737] ? warn_alloc+0x120/0x120 [ 247.951773] 3503 [ 247.953833] ? ktime_get+0x2e1/0x440 [ 247.959662] ? print_usage_bug+0xc0/0xc0 [ 247.963353] Node 0 Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 247.967451] ? __lock_acquire+0x7ec/0x4ec0 [ 247.967467] ? __lock_acquire+0x7ec/0x4ec0 [ 247.996507] lowmem_reserve[]: 0 [ 248.000763] ? kasan_check_read+0x11/0x20 [ 248.004967] 0 [ 248.008246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.012364] 0 [ 248.014170] ? should_fail+0x22d/0xd01 [ 248.019681] 0 [ 248.021488] ? rcu_bh_qs+0xc0/0xc0 [ 248.027164] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.030678] Node 0 [ 248.035775] ? __lock_acquire+0x7ec/0x4ec0 [ 248.035778] DMA: 1*4kB [ 248.038021] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.042258] (U) [ 248.044841] ? __lock_acquire+0x7ec/0x4ec0 [ 248.049924] 0*8kB [ 248.051895] ? should_fail+0x22d/0xd01 [ 248.056099] 0*16kB 1*32kB [ 248.058253] ? rcu_idle_enter+0x4b0/0x4b0 [ 248.062119] (U) [ 248.064960] ? mark_held_locks+0x130/0x130 [ 248.069079] 2*64kB [ 248.071085] ? mark_held_locks+0x130/0x130 [ 248.075294] (U) [ 248.077535] ? mark_held_locks+0xc7/0x130 [ 248.081761] 1*128kB [ 248.083799] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 248.087928] (U) 1*256kB [ 248.090284] ? graph_lock+0x170/0x170 [ 248.095280] (U) [ 248.097948] ? print_usage_bug+0xc0/0xc0 [ 248.101723] 0*512kB 1*1024kB [ 248.103710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.107740] (U) [ 248.110845] ? check_preemption_disabled+0x48/0x280 [ 248.116351] 1*2048kB (M) [ 248.118346] ? check_preemption_disabled+0x48/0x280 [ 248.123330] 3*4096kB (M) [ 248.126101] ? __lock_is_held+0xb5/0x140 [ 248.131086] = 15908kB [ 248.133839] __alloc_pages_nodemask+0xa80/0xde0 [ 248.137878] Node 0 [ 248.140285] ? graph_lock+0x170/0x170 [ 248.144928] DMA32: [ 248.147163] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 248.150938] 4*4kB [ 248.153169] ? graph_lock+0x170/0x170 [ 248.158163] (UM) [ 248.160319] ? find_held_lock+0x36/0x1c0 [ 248.164099] 2*8kB [ 248.166165] ? ____cache_alloc_node+0x1c7/0x1e0 [ 248.170209] (UM) [ 248.172347] ? lock_downgrade+0x900/0x900 [ 248.176991] 2*16kB (M) [ 248.179067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.183187] 3*32kB [ 248.185777] cache_grow_begin+0x91/0x8c0 [ 248.191286] (UM) [ 248.193528] ? do_raw_spin_unlock+0xa7/0x330 [ 248.197560] 4*64kB [ 248.199626] fallback_alloc+0x203/0x2e0 [ 248.204002] (M) [ 248.206238] ____cache_alloc_node+0x1c7/0x1e0 [ 248.210185] 4*128kB (UM) [ 248.212168] kmem_cache_alloc_node+0xe3/0x730 [ 248.216634] 3*256kB (M) [ 248.219401] ? ipv6_get_ifaddr+0x42e/0x620 [ 248.223880] 3*512kB [ 248.226554] __alloc_skb+0x119/0x770 [ 248.230757] (M) [ 248.233083] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.236768] 3*1024kB [ 248.238742] ? skb_scrub_packet+0x490/0x490 [ 248.243992] (UM) [ 248.246403] ? lock_downgrade+0x900/0x900 [ 248.250700] 3*2048kB [ 248.252766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.256887] (M) [ 248.259296] ? refcount_sub_and_test_checked+0x203/0x310 [ 248.264813] 3*4096kB [ 248.266787] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 248.272209] (M) [ 248.274614] ? addrconf_rs_timer+0x690/0x690 [ 248.280040] = 24736kB [ 248.282019] ndisc_alloc_skb+0x144/0x340 [ 248.286403] Node 0 [ 248.288810] ndisc_send_rs+0x331/0x6e0 [ 248.292844] Normal: [ 248.295078] addrconf_rs_timer+0x314/0x690 [ 248.298942] 592*4kB [ 248.301261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.305473] (UMEH) [ 248.307822] call_timer_fn+0x272/0x920 [ 248.312021] 405*8kB [ 248.314251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.318111] (UMEH) [ 248.320431] ? process_timeout+0x40/0x40 [ 248.324641] 177*16kB [ 248.326876] ? find_held_lock+0x36/0x1c0 [ 248.330951] (UME) [ 248.333370] ? __run_timers+0x7da/0xc70 [ 248.337411] 103*32kB [ 248.339560] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.343508] (UMH) [ 248.345917] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.350396] 15*64kB [ 248.352554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.357025] (UMH) [ 248.359363] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 248.363571] 0*128kB 1*256kB [ 248.365739] ? trace_hardirqs_on+0xbd/0x310 [ 248.370294] (H) [ 248.373312] ? kasan_check_read+0x11/0x20 [ 248.377609] 0*512kB [ 248.379585] ? __run_timers+0x7da/0xc70 [ 248.383716] 1*1024kB [ 248.386035] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.389976] (H) 0*2048kB [ 248.392400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.397832] 0*4096kB [ 248.400585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.404799] = 13976kB [ 248.407203] __run_timers+0x7e5/0xc70 [ 248.411425] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 248.413831] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 248.417603] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 248.426432] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 248.431771] 1241 total pagecache pages [ 248.440336] ? graph_lock+0x170/0x170 [ 248.445334] 0 pages in swap cache [ 248.449209] ? enqueue_hrtimer+0x1a5/0x560 [ 248.452989] Swap cache stats: add 0, delete 0, find 0/0 [ 248.452997] Free swap = 0kB [ 248.456443] ? lock_release+0x970/0x970 [ 248.460654] Total swap = 0kB [ 248.466008] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 248.469003] 1965979 pages RAM [ 248.472976] ? find_held_lock+0x36/0x1c0 [ 248.475969] 0 pages HighMem/MovableOnly [ 248.481153] ? graph_lock+0x170/0x170 [ 248.484228] 342306 pages reserved [ 248.484236] 0 pages cma reserved [ 248.488292] ? pvclock_read_flags+0x160/0x160 [ 248.492343] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 248.496042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.499566] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 248.502848] ? check_preemption_disabled+0x48/0x280 [ 248.507321] ksoftirqd/1 cpuset= [ 248.513819] ? __lock_is_held+0xb5/0x140 [ 248.519329] / [ 248.529639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.534634] mems_allowed=0 [ 248.537908] ? check_preemption_disabled+0x48/0x280 [ 248.557104] run_timer_softirq+0x52/0xb0 [ 248.561172] ? rcu_read_lock_sched_held+0x108/0x120 [ 248.566193] __do_softirq+0x30c/0xb03 [ 248.570005] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 248.575120] ? pvclock_read_flags+0x160/0x160 [ 248.579618] ? lapic_next_event+0x5a/0x90 [ 248.583766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.589305] ? check_preemption_disabled+0x48/0x280 [ 248.594324] ? check_preemption_disabled+0x48/0x280 [ 248.599369] ? kvm_clock_read+0x18/0x30 [ 248.603363] ? kvm_sched_clock_read+0x9/0x20 [ 248.607781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.613319] ? check_preemption_disabled+0x48/0x280 [ 248.618350] irq_exit+0x17f/0x1c0 [ 248.621815] smp_apic_timer_interrupt+0x1cb/0x760 [ 248.627121] ? smp_reschedule_interrupt+0x109/0x650 [ 248.632140] ? smp_call_function_single_interrupt+0x650/0x650 [ 248.638029] ? interrupt_entry+0xb5/0xf0 [ 248.642097] ? trace_hardirqs_off_caller+0xbb/0x310 [ 248.647114] ? trace_hardirqs_off_caller+0xbb/0x310 [ 248.652131] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.656979] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.661995] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.667018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.672561] ? check_preemption_disabled+0x48/0x280 [ 248.677577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.683125] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.687980] apic_timer_interrupt+0xf/0x20 [ 248.692209] [ 248.694545] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 248.699478] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 248.718388] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 248.726101] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 248.733372] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 248.740654] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 248.747923] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 248.755194] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 248.762507] skb_clone+0x1bb/0x500 [ 248.766057] ? skb_split+0x11e0/0x11e0 [ 248.769950] ? check_preemption_disabled+0x48/0x280 [ 248.774975] ? __this_cpu_preempt_check+0x1c/0x20 [ 248.779824] ? __bpf_redirect+0x54b/0xb20 [ 248.783985] bpf_clone_redirect+0xb9/0x490 [ 248.788243] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 248.793269] ? __sched_text_start+0x8/0x8 [ 248.797468] ? find_held_lock+0x36/0x1c0 [ 248.801543] ? lock_acquire+0x1ed/0x520 [ 248.805523] ? bpf_test_run+0x3cb/0x780 [ 248.809500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.815044] ? check_preemption_disabled+0x48/0x280 [ 248.820070] ? kasan_check_read+0x11/0x20 [ 248.824225] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.829506] ? rcu_bh_qs+0xc0/0xc0 [ 248.833048] ? preempt_schedule+0x4d/0x60 [ 248.837201] ? ___preempt_schedule+0x16/0x18 [ 248.841620] ? bpf_test_run+0x25d/0x780 [ 248.845607] ? netlink_diag_dump+0x2a0/0x2a0 [ 248.850020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.855560] ? bpf_test_init.isra.10+0x70/0x100 [ 248.860237] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 248.865006] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 248.869852] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 248.875402] ? fput+0x130/0x1a0 [ 248.878684] ? __bpf_prog_get+0x9b/0x290 [ 248.882757] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 248.887598] ? bpf_prog_test_run+0x130/0x1a0 [ 248.892014] ? __x64_sys_bpf+0x3d8/0x520 [ 248.896079] ? bpf_prog_get+0x20/0x20 [ 248.899901] ? do_syscall_64+0x1b9/0x820 [ 248.903965] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 248.909338] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.914286] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.919309] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 248.924330] ? recalc_sigpending_tsk+0x180/0x180 [ 248.929091] ? kasan_check_write+0x14/0x20 [ 248.933336] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.938193] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 248.943580] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 248.943650] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 248.950511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.950517] Call Trace: [ 248.950536] dump_stack+0x1c4/0x2b6 [ 248.950559] ? dump_stack_print_info.cold.1+0x20/0x20 [ 248.957120] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 248.966403] warn_alloc.cold.119+0xb7/0x1bd [ 248.968957] syz-executor0 cpuset= [ 248.972582] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.977747] syz0 [ 248.988231] ? lock_downgrade+0x900/0x900 [ 248.992530] mems_allowed=0 [ 248.995978] ? trace_hardirqs_off+0xb8/0x310 [ 249.014220] ? trace_hardirqs_off+0xb8/0x310 [ 249.018644] __alloc_pages_slowpath+0x265e/0x2d70 [ 249.023519] ? warn_alloc+0x120/0x120 [ 249.027329] ? warn_alloc+0x120/0x120 [ 249.031138] ? print_usage_bug+0xc0/0xc0 [ 249.035210] ? warn_alloc+0x120/0x120 [ 249.039014] ? print_usage_bug+0xc0/0xc0 [ 249.043088] ? __lock_acquire+0x7ec/0x4ec0 [ 249.047342] ? __lock_acquire+0x7ec/0x4ec0 [ 249.051589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.057127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.062668] ? should_fail+0x22d/0xd01 [ 249.066566] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.071675] ? __lock_acquire+0x7ec/0x4ec0 [ 249.075936] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.081037] ? __lock_acquire+0x7ec/0x4ec0 [ 249.085272] ? should_fail+0x22d/0xd01 [ 249.089176] ? mark_held_locks+0x130/0x130 [ 249.093426] ? mark_held_locks+0x130/0x130 [ 249.097671] ? mark_held_locks+0xc7/0x130 [ 249.101824] ? print_usage_bug+0xc0/0xc0 [ 249.105890] ? graph_lock+0x170/0x170 [ 249.109697] ? print_usage_bug+0xc0/0xc0 [ 249.113766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.119340] ? check_preemption_disabled+0x48/0x280 [ 249.124366] ? check_preemption_disabled+0x48/0x280 [ 249.129415] ? __lock_is_held+0xb5/0x140 [ 249.133488] __alloc_pages_nodemask+0xa80/0xde0 [ 249.138172] ? graph_lock+0x170/0x170 [ 249.141997] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 249.147014] ? graph_lock+0x170/0x170 [ 249.150829] ? find_held_lock+0x36/0x1c0 [ 249.154904] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.159581] ? lock_downgrade+0x900/0x900 [ 249.163745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.169293] cache_grow_begin+0x91/0x8c0 [ 249.173382] ? do_raw_spin_unlock+0xa7/0x330 [ 249.177808] fallback_alloc+0x203/0x2e0 [ 249.181794] ____cache_alloc_node+0x1c7/0x1e0 [ 249.186296] kmem_cache_alloc_node+0xe3/0x730 [ 249.190805] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.195055] __alloc_skb+0x119/0x770 [ 249.198775] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.204060] ? skb_scrub_packet+0x490/0x490 [ 249.208397] ? lock_downgrade+0x900/0x900 [ 249.212557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.218099] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.223556] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.229008] ? addrconf_rs_timer+0x690/0x690 [ 249.233432] ndisc_alloc_skb+0x144/0x340 [ 249.237503] ndisc_send_rs+0x331/0x6e0 [ 249.241433] addrconf_rs_timer+0x314/0x690 [ 249.245678] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.249936] call_timer_fn+0x272/0x920 [ 249.253824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.258068] ? process_timeout+0x40/0x40 [ 249.262131] ? find_held_lock+0x36/0x1c0 [ 249.266202] ? __run_timers+0x7da/0xc70 [ 249.270192] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.274699] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.279200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.283449] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 249.288041] ? trace_hardirqs_on+0xbd/0x310 [ 249.292369] ? kasan_check_read+0x11/0x20 [ 249.296534] ? __run_timers+0x7da/0xc70 [ 249.300515] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.305975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.310222] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.314474] __run_timers+0x7e5/0xc70 [ 249.318325] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 249.323696] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.328286] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.332789] ? lockdep_hardirqs_on+0x421/0x5c0 [ 249.337412] ? trace_hardirqs_on+0xbd/0x310 [ 249.341740] ? kasan_check_read+0x11/0x20 [ 249.345894] ? finish_task_switch+0x1f4/0x910 [ 249.350403] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.355862] ? compat_start_thread+0x80/0x80 [ 249.360293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.365841] ? _raw_spin_unlock_irq+0x60/0x80 [ 249.370345] ? pvclock_read_flags+0x160/0x160 [ 249.374849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.380398] ? check_preemption_disabled+0x48/0x280 [ 249.385427] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 249.390965] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.396243] ? rcu_pm_notify+0xc0/0xc0 [ 249.400136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.405676] ? check_preemption_disabled+0x48/0x280 [ 249.410704] run_timer_softirq+0x52/0xb0 [ 249.414768] ? rcu_read_lock_sched_held+0x108/0x120 [ 249.419790] __do_softirq+0x30c/0xb03 [ 249.423616] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 249.428722] ? trace_hardirqs_off+0x310/0x310 [ 249.433233] ? trace_hardirqs_on+0x310/0x310 [ 249.437660] ? schedule+0x108/0x460 [ 249.441294] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.446092] ? trace_hardirqs_off+0xb8/0x310 [ 249.450507] ? smpboot_thread_fn+0x68b/0xa00 [ 249.454923] ? trace_hardirqs_on+0x310/0x310 [ 249.459341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.464892] ? check_preemption_disabled+0x48/0x280 [ 249.469919] ? takeover_tasklets+0xa90/0xa90 [ 249.474333] run_ksoftirqd+0x94/0x100 [ 249.478139] smpboot_thread_fn+0x68b/0xa00 [ 249.482388] ? sort_range+0x30/0x30 [ 249.486024] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 249.491129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.496669] ? __kthread_parkme+0xfb/0x1a0 [ 249.500910] kthread+0x35a/0x420 [ 249.504282] ? sort_range+0x30/0x30 [ 249.507910] ? kthread_bind+0x40/0x40 [ 249.511717] ret_from_fork+0x3a/0x50 [ 249.515451] warn_alloc_show_mem: 1 callbacks suppressed [ 249.515464] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 249.515466] Mem-Info: [ 249.515505] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 249.515505] active_file:11 inactive_file:12 isolated_file:0 [ 249.515505] unevictable:0 dirty:0 writeback:0 unstable:0 [ 249.515505] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 249.515505] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 249.515505] free:13647 free_pcp:360 free_cma:0 [ 249.520835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.520843] Call Trace: [ 249.528234] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 249.530641] [ 249.563706] Node 0 [ 249.573079] dump_stack+0x1c4/0x2b6 [ 249.575656] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 249.603349] ? dump_stack_print_info.cold.1+0x20/0x20 [ 249.605478] lowmem_reserve[]: [ 249.607728] warn_alloc.cold.119+0xb7/0x1bd [ 249.611314] 0 2819 [ 249.636825] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.641989] 6323 [ 249.645097] ? lock_downgrade+0x900/0x900 [ 249.649428] 6323 [ 249.651667] ? trace_hardirqs_off+0xb8/0x310 [ 249.656509] Node 0 [ 249.658586] ? trace_hardirqs_off+0xb8/0x310 [ 249.662742] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 249.664785] __alloc_pages_slowpath+0x265e/0x2d70 [ 249.669154] lowmem_reserve[]: 0 [ 249.671425] ? warn_alloc+0x120/0x120 [ 249.675785] 0 [ 249.702506] ? trace_hardirqs_on+0x310/0x310 [ 249.707331] 3503 3503 [ 249.710619] ? warn_alloc+0x120/0x120 [ 249.716198] ? print_usage_bug+0xc0/0xc0 [ 249.720587] Node 0 [ 249.723094] ? warn_alloc+0x120/0x120 [ 249.726897] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 249.730930] ? ktime_get+0x2e1/0x440 [ 249.733137] lowmem_reserve[]: 0 [ 249.736960] ? print_usage_bug+0xc0/0xc0 [ 249.765902] 0 0 [ 249.769648] ? __lock_acquire+0x7ec/0x4ec0 [ 249.772893] 0 [ 249.776956] ? __lock_acquire+0x7ec/0x4ec0 [ 249.783143] ? kasan_check_read+0x11/0x20 [ 249.784917] Node 0 [ 249.789149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.793273] DMA: [ 249.795509] ? should_fail+0x22d/0xd01 [ 249.801021] 1*4kB [ 249.803080] ? rcu_bh_qs+0xc0/0xc0 [ 249.806941] (U) [ 249.809091] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.812603] 0*8kB [ 249.814577] ? __lock_acquire+0x7ec/0x4ec0 [ 249.819649] 0*16kB 1*32kB [ 249.821806] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.826015] (U) [ 249.828859] ? __lock_acquire+0x7ec/0x4ec0 [ 249.833934] 2*64kB (U) [ 249.835917] ? should_fail+0x22d/0xd01 [ 249.840126] 1*128kB (U) [ 249.842721] ? rcu_idle_enter+0x4b0/0x4b0 [ 249.846576] 1*256kB [ 249.849247] ? mark_held_locks+0x130/0x130 [ 249.853368] (U) [ 249.855712] ? mark_held_locks+0x130/0x130 [ 249.859915] 0*512kB [ 249.861887] ? mark_held_locks+0xc7/0x130 [ 249.866098] 1*1024kB [ 249.868423] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 249.872542] (U) [ 249.874951] ? graph_lock+0x170/0x170 [ 249.879945] 1*2048kB [ 249.881919] ? print_usage_bug+0xc0/0xc0 [ 249.885691] (M) [ 249.888109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.892143] 3*4096kB [ 249.894118] ? check_preemption_disabled+0x48/0x280 [ 249.899627] (M) [ 249.902038] ? check_preemption_disabled+0x48/0x280 [ 249.907025] = 15908kB [ 249.909007] ? __lock_is_held+0xb5/0x140 [ 249.913991] Node 0 [ 249.916409] __alloc_pages_nodemask+0xa80/0xde0 [ 249.920441] DMA32: [ 249.922676] ? graph_lock+0x170/0x170 [ 249.927324] 4*4kB [ 249.929556] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 249.933331] (UM) [ 249.935475] ? graph_lock+0x170/0x170 [ 249.940463] 2*8kB (UM) [ 249.942539] ? find_held_lock+0x36/0x1c0 [ 249.946313] 2*16kB [ 249.948896] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.952926] (M) [ 249.955161] ? lock_downgrade+0x900/0x900 [ 249.959800] 3*32kB (UM) [ 249.961784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.965902] 4*64kB [ 249.968569] cache_grow_begin+0x91/0x8c0 [ 249.974082] (M) [ 249.976318] ? do_raw_spin_unlock+0xa7/0x330 [ 249.980347] 4*128kB (UM) [ 249.982340] fallback_alloc+0x203/0x2e0 [ 249.986722] 3*256kB [ 249.989483] ____cache_alloc_node+0x1c7/0x1e0 [ 249.993432] (M) [ 249.995757] kmem_cache_alloc_node+0xe3/0x730 [ 250.000226] 3*512kB [ 250.002198] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.006674] (M) [ 250.009000] __alloc_skb+0x119/0x770 [ 250.013217] 3*1024kB [ 250.015187] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.018874] (UM) [ 250.021281] ? skb_scrub_packet+0x490/0x490 [ 250.026535] 3*2048kB [ 250.028595] ? lock_downgrade+0x900/0x900 [ 250.032891] (M) [ 250.035301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.039419] 3*4096kB [ 250.041401] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.046915] (M) [ 250.049325] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.054755] = 24736kB [ 250.056725] ? addrconf_rs_timer+0x690/0x690 [ 250.062165] Node 0 [ 250.064583] ndisc_alloc_skb+0x144/0x340 [ 250.068960] Normal: [ 250.071196] ndisc_send_rs+0x331/0x6e0 [ 250.075237] 592*4kB [ 250.077563] addrconf_rs_timer+0x314/0x690 [ 250.081424] (UMEH) [ 250.083749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.087954] 405*8kB (UMEH) [ 250.090208] call_timer_fn+0x272/0x920 [ 250.094416] 177*16kB [ 250.097342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.101203] (UME) [ 250.103612] ? process_timeout+0x40/0x40 [ 250.107822] 103*32kB [ 250.109969] ? find_held_lock+0x36/0x1c0 [ 250.114004] (UMH) [ 250.116417] ? __run_timers+0x7da/0xc70 [ 250.120451] 15*64kB [ 250.122600] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.126544] (UMH) [ 250.128861] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.133336] 0*128kB [ 250.135482] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.139956] 1*256kB [ 250.142273] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 250.146480] (H) [ 250.148800] ? trace_hardirqs_on+0xbd/0x310 [ 250.153356] 0*512kB [ 250.155341] ? kasan_check_read+0x11/0x20 [ 250.159636] 1*1024kB [ 250.161959] ? __run_timers+0x7da/0xc70 [ 250.166079] (H) [ 250.168488] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.172432] 0*2048kB 0*4096kB [ 250.174419] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.179844] = 13976kB [ 250.183029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.187250] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 250.189654] __run_timers+0x7e5/0xc70 [ 250.193871] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 250.202701] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.206470] 1241 total pagecache pages [ 250.215038] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.220391] 0 pages in swap cache [ 250.224273] ? graph_lock+0x170/0x170 [ 250.229267] Swap cache stats: add 0, delete 0, find 0/0 [ 250.232715] ? enqueue_hrtimer+0x1a5/0x560 [ 250.236491] Free swap = 0kB [ 250.241858] ? lock_release+0x970/0x970 [ 250.246064] Total swap = 0kB [ 250.246072] 1965979 pages RAM [ 250.249083] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 250.253032] 0 pages HighMem/MovableOnly [ 250.256047] ? find_held_lock+0x36/0x1c0 [ 250.259130] 342306 pages reserved [ 250.264334] ? graph_lock+0x170/0x170 [ 250.268282] 0 pages cma reserved [ 250.268368] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.272355] ? pvclock_read_flags+0x160/0x160 [ 250.275855] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.279586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.282932] ksoftirqd/1 cpuset= [ 250.289428] ? check_preemption_disabled+0x48/0x280 [ 250.293898] / [ 250.304229] ? __lock_is_held+0xb5/0x140 [ 250.309747] mems_allowed=0 [ 250.313024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.332232] ? check_preemption_disabled+0x48/0x280 [ 250.337262] run_timer_softirq+0x52/0xb0 [ 250.341326] ? rcu_read_lock_sched_held+0x108/0x120 [ 250.346350] __do_softirq+0x30c/0xb03 [ 250.350172] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 250.355283] ? pvclock_read_flags+0x160/0x160 [ 250.359865] ? lapic_next_event+0x5a/0x90 [ 250.364015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.369556] ? check_preemption_disabled+0x48/0x280 [ 250.374573] ? check_preemption_disabled+0x48/0x280 [ 250.379598] ? kvm_clock_read+0x18/0x30 [ 250.383578] ? kvm_sched_clock_read+0x9/0x20 [ 250.387991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.393530] ? check_preemption_disabled+0x48/0x280 [ 250.398559] irq_exit+0x17f/0x1c0 [ 250.402016] smp_apic_timer_interrupt+0x1cb/0x760 [ 250.406860] ? smp_reschedule_interrupt+0x109/0x650 [ 250.411880] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.417775] ? interrupt_entry+0xb5/0xf0 [ 250.421843] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.426863] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.431882] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.436731] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.441752] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.446773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.452314] ? check_preemption_disabled+0x48/0x280 [ 250.457369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.462926] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.467781] apic_timer_interrupt+0xf/0x20 [ 250.472008] [ 250.474253] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 250.479185] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 250.498086] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 250.505796] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 250.513066] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 250.520335] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 250.527607] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 250.534873] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 250.542192] skb_clone+0x1bb/0x500 [ 250.545749] ? skb_split+0x11e0/0x11e0 [ 250.549641] ? check_preemption_disabled+0x48/0x280 [ 250.554669] ? __this_cpu_preempt_check+0x1c/0x20 [ 250.559517] ? __bpf_redirect+0x54b/0xb20 [ 250.563675] bpf_clone_redirect+0xb9/0x490 [ 250.567929] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 250.572950] ? __sched_text_start+0x8/0x8 [ 250.577119] ? find_held_lock+0x36/0x1c0 [ 250.581192] ? lock_acquire+0x1ed/0x520 [ 250.585168] ? bpf_test_run+0x3cb/0x780 [ 250.589143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.594686] ? check_preemption_disabled+0x48/0x280 [ 250.599724] ? kasan_check_read+0x11/0x20 [ 250.603876] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.609165] ? rcu_bh_qs+0xc0/0xc0 [ 250.612718] ? preempt_schedule+0x4d/0x60 [ 250.616868] ? ___preempt_schedule+0x16/0x18 [ 250.621291] ? bpf_test_run+0x25d/0x780 [ 250.625747] ? netlink_diag_dump+0x2a0/0x2a0 [ 250.630179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.635726] ? bpf_test_init.isra.10+0x70/0x100 [ 250.640411] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 250.645179] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 250.650027] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 250.655568] ? fput+0x130/0x1a0 [ 250.658853] ? __bpf_prog_get+0x9b/0x290 [ 250.662924] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 250.667772] ? bpf_prog_test_run+0x130/0x1a0 [ 250.672191] ? __x64_sys_bpf+0x3d8/0x520 [ 250.676255] ? bpf_prog_get+0x20/0x20 [ 250.680081] ? do_syscall_64+0x1b9/0x820 [ 250.684148] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 250.689518] ? syscall_return_slowpath+0x5e0/0x5e0 [ 250.694451] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.699474] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 250.704494] ? recalc_sigpending_tsk+0x180/0x180 [ 250.709259] ? kasan_check_write+0x14/0x20 [ 250.713503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.718359] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 250.723761] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 250.723856] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 250.730690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.730696] Call Trace: [ 250.730718] dump_stack+0x1c4/0x2b6 [ 250.730736] ? dump_stack_print_info.cold.1+0x20/0x20 [ 250.730763] warn_alloc.cold.119+0xb7/0x1bd [ 250.737329] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 250.746598] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 250.749158] syz-executor0 cpuset= [ 250.752779] ? lock_downgrade+0x900/0x900 [ 250.757943] syz0 [ 250.762267] ? trace_hardirqs_off+0xb8/0x310 [ 250.772728] mems_allowed=0 [ 250.777576] ? trace_hardirqs_off+0xb8/0x310 [ 250.798823] __alloc_pages_slowpath+0x265e/0x2d70 [ 250.803700] ? warn_alloc+0x120/0x120 [ 250.807507] ? warn_alloc+0x120/0x120 [ 250.811326] ? print_usage_bug+0xc0/0xc0 [ 250.815400] ? warn_alloc+0x120/0x120 [ 250.819216] ? print_usage_bug+0xc0/0xc0 [ 250.823286] ? __lock_acquire+0x7ec/0x4ec0 [ 250.827525] ? __lock_acquire+0x7ec/0x4ec0 [ 250.831770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.837312] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.842854] ? should_fail+0x22d/0xd01 [ 250.846757] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.851867] ? __lock_acquire+0x7ec/0x4ec0 [ 250.856112] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.861235] ? __lock_acquire+0x7ec/0x4ec0 [ 250.865477] ? should_fail+0x22d/0xd01 [ 250.869384] ? mark_held_locks+0x130/0x130 [ 250.873630] ? mark_held_locks+0x130/0x130 [ 250.877870] ? graph_lock+0x170/0x170 [ 250.881676] ? print_usage_bug+0xc0/0xc0 [ 250.885746] ? graph_lock+0x170/0x170 [ 250.889548] ? print_usage_bug+0xc0/0xc0 [ 250.893612] ? wq_watchdog_touch+0x9c/0xfe [ 250.897850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.903401] ? check_preemption_disabled+0x48/0x280 [ 250.908427] ? check_preemption_disabled+0x48/0x280 [ 250.913463] ? __lock_is_held+0xb5/0x140 [ 250.917536] __alloc_pages_nodemask+0xa80/0xde0 [ 250.922216] ? graph_lock+0x170/0x170 [ 250.926027] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 250.931045] ? graph_lock+0x170/0x170 [ 250.934864] ? find_held_lock+0x36/0x1c0 [ 250.938940] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.943613] ? lock_downgrade+0x900/0x900 [ 250.947776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.953322] cache_grow_begin+0x91/0x8c0 [ 250.957397] ? do_raw_spin_unlock+0xa7/0x330 [ 250.961823] fallback_alloc+0x203/0x2e0 [ 250.965857] ____cache_alloc_node+0x1c7/0x1e0 [ 250.970367] kmem_cache_alloc_node+0xe3/0x730 [ 250.974880] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.979131] __alloc_skb+0x119/0x770 [ 250.982853] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.988140] ? skb_scrub_packet+0x490/0x490 [ 250.992463] ? lock_downgrade+0x900/0x900 [ 250.996624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.002166] ? refcount_sub_and_test_checked+0x203/0x310 [ 251.007628] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 251.013082] ? addrconf_rs_timer+0x690/0x690 [ 251.017510] ndisc_alloc_skb+0x144/0x340 [ 251.021586] ndisc_send_rs+0x331/0x6e0 [ 251.025485] addrconf_rs_timer+0x314/0x690 [ 251.029729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.033985] call_timer_fn+0x272/0x920 [ 251.037876] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.042120] ? process_timeout+0x40/0x40 [ 251.046182] ? find_held_lock+0x36/0x1c0 [ 251.050257] ? __run_timers+0x7da/0xc70 [ 251.054329] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.058831] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.063329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.067611] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 251.072205] ? trace_hardirqs_on+0xbd/0x310 [ 251.076547] ? kasan_check_read+0x11/0x20 [ 251.080703] ? __run_timers+0x7da/0xc70 [ 251.084688] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.090152] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.094408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.098655] __run_timers+0x7e5/0xc70 [ 251.102479] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 251.107860] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.112365] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.116877] ? lockdep_hardirqs_on+0x421/0x5c0 [ 251.121474] ? trace_hardirqs_on+0xbd/0x310 [ 251.125802] ? kasan_check_read+0x11/0x20 [ 251.129956] ? finish_task_switch+0x1f4/0x910 [ 251.134464] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.139919] ? compat_start_thread+0x80/0x80 [ 251.144337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.149886] ? _raw_spin_unlock_irq+0x60/0x80 [ 251.154404] ? pvclock_read_flags+0x160/0x160 [ 251.158909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.164450] ? check_preemption_disabled+0x48/0x280 [ 251.169477] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 251.175020] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.180300] ? rcu_pm_notify+0xc0/0xc0 [ 251.184195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.189746] ? check_preemption_disabled+0x48/0x280 [ 251.194776] run_timer_softirq+0x52/0xb0 [ 251.198838] ? rcu_read_lock_sched_held+0x108/0x120 [ 251.203862] __do_softirq+0x30c/0xb03 [ 251.207678] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 251.212784] ? trace_hardirqs_off+0x310/0x310 [ 251.217283] ? trace_hardirqs_on+0x310/0x310 [ 251.221705] ? schedule+0x108/0x460 [ 251.225334] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 251.230100] ? trace_hardirqs_off+0xb8/0x310 [ 251.234510] ? smpboot_thread_fn+0x68b/0xa00 [ 251.238921] ? trace_hardirqs_on+0x310/0x310 [ 251.243334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.248880] ? check_preemption_disabled+0x48/0x280 [ 251.253903] ? takeover_tasklets+0xa90/0xa90 [ 251.258322] run_ksoftirqd+0x94/0x100 [ 251.262125] smpboot_thread_fn+0x68b/0xa00 [ 251.266367] ? sort_range+0x30/0x30 [ 251.270014] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 251.275120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.280664] ? __kthread_parkme+0xfb/0x1a0 [ 251.284909] kthread+0x35a/0x420 [ 251.288276] ? sort_range+0x30/0x30 [ 251.291904] ? kthread_bind+0x40/0x40 [ 251.295725] ret_from_fork+0x3a/0x50 [ 251.299457] warn_alloc_show_mem: 1 callbacks suppressed [ 251.299470] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 251.299471] Mem-Info: [ 251.299503] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 251.299503] active_file:11 inactive_file:12 isolated_file:0 [ 251.299503] unevictable:0 dirty:0 writeback:0 unstable:0 [ 251.299503] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 251.299503] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 251.299503] free:13647 free_pcp:360 free_cma:0 [ 251.304842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.312215] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 251.314608] Call Trace: [ 251.347654] Node 0 [ 251.357000] [ 251.384681] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 251.387246] dump_stack+0x1c4/0x2b6 [ 251.389455] lowmem_reserve[]: [ 251.391712] ? dump_stack_print_info.cold.1+0x20/0x20 [ 251.417186] 0 [ 251.420835] warn_alloc.cold.119+0xb7/0x1bd [ 251.423909] 2819 [ 251.429094] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.430873] 6323 [ 251.435189] ? lock_downgrade+0x900/0x900 [ 251.437235] 6323 [ 251.442073] ? trace_hardirqs_off+0xb8/0x310 [ 251.448254] ? trace_hardirqs_off+0xb8/0x310 [ 251.450330] Node 0 [ 251.454742] __alloc_pages_slowpath+0x265e/0x2d70 [ 251.459151] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 251.461390] ? warn_alloc+0x120/0x120 [ 251.466179] lowmem_reserve[]: [ 251.492893] ? trace_hardirqs_on+0x310/0x310 [ 251.496669] 0 [ 251.499770] ? warn_alloc+0x120/0x120 [ 251.504149] 0 3503 [ 251.505957] ? print_usage_bug+0xc0/0xc0 [ 251.509738] 3503 [ 251.511969] ? warn_alloc+0x120/0x120 [ 251.518072] ? ktime_get+0x2e1/0x440 [ 251.521851] Node 0 [ 251.525558] ? print_usage_bug+0xc0/0xc0 [ 251.525589] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 251.525596] lowmem_reserve[]: [ 251.527831] ? __lock_acquire+0x7ec/0x4ec0 [ 251.531871] 0 [ 251.560321] ? __lock_acquire+0x7ec/0x4ec0 [ 251.563411] 0 [ 251.567642] ? kasan_check_read+0x11/0x20 [ 251.569421] 0 [ 251.573652] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.575435] 0 [ 251.579582] ? should_fail+0x22d/0xd01 [ 251.586895] ? rcu_bh_qs+0xc0/0xc0 [ 251.588671] Node 0 [ 251.592554] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.596067] DMA: [ 251.598301] ? __lock_acquire+0x7ec/0x4ec0 [ 251.603387] 1*4kB [ 251.605446] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.609656] (U) [ 251.611803] ? __lock_acquire+0x7ec/0x4ec0 [ 251.616881] 0*8kB [ 251.618850] ? should_fail+0x22d/0xd01 [ 251.623064] 0*16kB [ 251.625211] ? rcu_idle_enter+0x4b0/0x4b0 [ 251.629077] 1*32kB [ 251.631314] ? mark_held_locks+0x130/0x130 [ 251.635432] (U) [ 251.637667] ? mark_held_locks+0x130/0x130 [ 251.641881] 2*64kB [ 251.643855] ? mark_held_locks+0xc7/0x130 [ 251.648063] (U) [ 251.650307] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 251.654432] 1*128kB [ 251.656411] ? graph_lock+0x170/0x170 [ 251.661411] (U) [ 251.663734] ? print_usage_bug+0xc0/0xc0 [ 251.667512] 1*256kB [ 251.669484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.673519] (U) [ 251.675840] ? check_preemption_disabled+0x48/0x280 [ 251.681352] 0*512kB [ 251.683324] ? check_preemption_disabled+0x48/0x280 [ 251.688318] 1*1024kB [ 251.690639] ? __lock_is_held+0xb5/0x140 [ 251.695626] (U) [ 251.698034] __alloc_pages_nodemask+0xa80/0xde0 [ 251.702061] 1*2048kB (M) [ 251.704038] ? graph_lock+0x170/0x170 [ 251.708680] 3*4096kB (M) [ 251.711456] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 251.715243] = 15908kB [ 251.717995] ? graph_lock+0x170/0x170 [ 251.722990] Node 0 [ 251.725413] ? find_held_lock+0x36/0x1c0 [ 251.729190] DMA32: [ 251.731429] ? ____cache_alloc_node+0x1c7/0x1e0 [ 251.735461] 4*4kB [ 251.737693] ? lock_downgrade+0x900/0x900 [ 251.742427] (UM) [ 251.744573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.748691] 2*8kB [ 251.750755] cache_grow_begin+0x91/0x8c0 [ 251.756570] (UM) [ 251.758726] ? do_raw_spin_unlock+0xa7/0x330 [ 251.762760] 2*16kB [ 251.764826] fallback_alloc+0x203/0x2e0 [ 251.769202] (M) [ 251.771444] ____cache_alloc_node+0x1c7/0x1e0 [ 251.775399] 3*32kB [ 251.777372] kmem_cache_alloc_node+0xe3/0x730 [ 251.781851] (UM) [ 251.784081] ? ipv6_get_ifaddr+0x42e/0x620 [ 251.788554] 4*64kB [ 251.790618] __alloc_skb+0x119/0x770 [ 251.794822] (M) [ 251.797056] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.800746] 4*128kB [ 251.802725] ? skb_scrub_packet+0x490/0x490 [ 251.807965] (UM) 3*256kB [ 251.810297] ? lock_downgrade+0x900/0x900 [ 251.814591] (M) [ 251.817360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.821481] 3*512kB [ 251.823453] ? refcount_sub_and_test_checked+0x203/0x310 [ 251.828960] (M) [ 251.831283] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 251.836707] 3*1024kB [ 251.838692] ? addrconf_rs_timer+0x690/0x690 [ 251.844117] (UM) [ 251.846532] ndisc_alloc_skb+0x144/0x340 [ 251.850918] 3*2048kB [ 251.852976] ndisc_send_rs+0x331/0x6e0 [ 251.857008] (M) [ 251.859422] addrconf_rs_timer+0x314/0x690 [ 251.863287] 3*4096kB [ 251.865263] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.869472] (M) [ 251.871898] call_timer_fn+0x272/0x920 [ 251.876102] = 24736kB [ 251.878071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.881939] Node 0 [ 251.884346] ? process_timeout+0x40/0x40 [ 251.888553] Normal: [ 251.890785] ? find_held_lock+0x36/0x1c0 [ 251.894820] 592*4kB [ 251.897141] ? __run_timers+0x7da/0xc70 [ 251.901170] (UMEH) [ 251.903491] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.907440] 405*8kB [ 251.909676] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.914148] (UMEH) [ 251.916466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.920943] 177*16kB [ 251.923180] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 251.927394] (UME) [ 251.929807] ? trace_hardirqs_on+0xbd/0x310 [ 251.934370] 103*32kB [ 251.936530] ? kasan_check_read+0x11/0x20 [ 251.940821] (UMH) [ 251.943234] ? __run_timers+0x7da/0xc70 [ 251.947357] 15*64kB [ 251.949507] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.953454] (UMH) [ 251.955773] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.961201] 0*128kB [ 251.963349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.967560] 1*256kB [ 251.969878] __run_timers+0x7e5/0xc70 [ 251.974085] (H) [ 251.976416] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 251.980187] 0*512kB [ 251.982155] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 251.987488] 1*1024kB (H) [ 251.989818] ? graph_lock+0x170/0x170 [ 251.994803] 0*2048kB 0*4096kB [ 251.997564] ? enqueue_hrtimer+0x1a5/0x560 [ 252.001346] = 13976kB [ 252.004528] ? lock_release+0x970/0x970 [ 252.008746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 252.011144] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 252.015103] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 252.023927] ? find_held_lock+0x36/0x1c0 [ 252.029092] 1241 total pagecache pages [ 252.037660] ? graph_lock+0x170/0x170 [ 252.041708] 0 pages in swap cache [ 252.045588] ? pvclock_read_flags+0x160/0x160 [ 252.049367] Swap cache stats: add 0, delete 0, find 0/0 [ 252.052819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.057289] Free swap = 0kB [ 252.062648] ? check_preemption_disabled+0x48/0x280 [ 252.068204] Total swap = 0kB [ 252.071222] ? __lock_is_held+0xb5/0x140 [ 252.076216] 1965979 pages RAM [ 252.079238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.083277] 0 pages HighMem/MovableOnly [ 252.086375] ? check_preemption_disabled+0x48/0x280 [ 252.091928] 342306 pages reserved [ 252.095899] run_timer_softirq+0x52/0xb0 [ 252.100889] 0 pages cma reserved [ 252.104336] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.108455] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.111750] __do_softirq+0x30c/0xb03 [ 252.116835] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.123242] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 252.127014] ksoftirqd/1 cpuset= [ 252.137327] ? pvclock_read_flags+0x160/0x160 [ 252.142405] / [ 252.145681] ? lapic_next_event+0x5a/0x90 [ 252.150153] mems_allowed=0 [ 252.151862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.164431] ? check_preemption_disabled+0x48/0x280 [ 252.169456] ? check_preemption_disabled+0x48/0x280 [ 252.174479] ? kvm_clock_read+0x18/0x30 [ 252.178455] ? kvm_sched_clock_read+0x9/0x20 [ 252.182865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.188415] ? check_preemption_disabled+0x48/0x280 [ 252.193448] irq_exit+0x17f/0x1c0 [ 252.196910] smp_apic_timer_interrupt+0x1cb/0x760 [ 252.201756] ? smp_reschedule_interrupt+0x109/0x650 [ 252.206780] ? smp_call_function_single_interrupt+0x650/0x650 [ 252.212675] ? interrupt_entry+0xb5/0xf0 [ 252.216746] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.221764] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.226793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.231640] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.236659] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.241677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.247226] ? check_preemption_disabled+0x48/0x280 [ 252.252246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.257792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.262644] apic_timer_interrupt+0xf/0x20 [ 252.266874] [ 252.269119] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 252.274054] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 252.292954] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 252.300667] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 252.307934] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 252.315210] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 252.322485] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 252.329758] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 252.337078] skb_clone+0x1bb/0x500 [ 252.340622] ? skb_split+0x11e0/0x11e0 [ 252.344517] ? check_preemption_disabled+0x48/0x280 [ 252.349550] ? __this_cpu_preempt_check+0x1c/0x20 [ 252.354406] ? __bpf_redirect+0x54b/0xb20 [ 252.358570] bpf_clone_redirect+0xb9/0x490 [ 252.362818] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 252.367841] ? __sched_text_start+0x8/0x8 [ 252.372004] ? find_held_lock+0x36/0x1c0 [ 252.376076] ? lock_acquire+0x1ed/0x520 [ 252.380054] ? bpf_test_run+0x3cb/0x780 [ 252.384035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.389583] ? check_preemption_disabled+0x48/0x280 [ 252.394615] ? kasan_check_read+0x11/0x20 [ 252.398769] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.404049] ? rcu_bh_qs+0xc0/0xc0 [ 252.407595] ? preempt_schedule+0x4d/0x60 [ 252.411745] ? ___preempt_schedule+0x16/0x18 [ 252.416168] ? bpf_test_run+0x25d/0x780 [ 252.420154] ? netlink_diag_dump+0x2a0/0x2a0 [ 252.424567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.430108] ? bpf_test_init.isra.10+0x70/0x100 [ 252.434784] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 252.439550] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 252.444411] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 252.449954] ? fput+0x130/0x1a0 [ 252.453237] ? __bpf_prog_get+0x9b/0x290 [ 252.457303] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 252.462144] ? bpf_prog_test_run+0x130/0x1a0 [ 252.466556] ? __x64_sys_bpf+0x3d8/0x520 [ 252.470622] ? bpf_prog_get+0x20/0x20 [ 252.474448] ? do_syscall_64+0x1b9/0x820 [ 252.478516] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 252.483886] ? syscall_return_slowpath+0x5e0/0x5e0 [ 252.488821] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.493843] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 252.498864] ? recalc_sigpending_tsk+0x180/0x180 [ 252.503631] ? kasan_check_write+0x14/0x20 [ 252.507877] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.512742] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.518130] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 252.518200] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.525059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.525068] Call Trace: [ 252.531647] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.540906] dump_stack+0x1c4/0x2b6 [ 252.543473] syz-executor0 cpuset= [ 252.553963] ? dump_stack_print_info.cold.1+0x20/0x20 [ 252.557562] syz0 [ 252.561021] warn_alloc.cold.119+0xb7/0x1bd [ 252.566180] mems_allowed=0 [ 252.568158] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 252.580235] ? lock_downgrade+0x900/0x900 [ 252.584406] ? trace_hardirqs_off+0xb8/0x310 [ 252.588828] ? trace_hardirqs_off+0xb8/0x310 [ 252.593258] __alloc_pages_slowpath+0x265e/0x2d70 [ 252.598139] ? warn_alloc+0x120/0x120 [ 252.601954] ? warn_alloc+0x120/0x120 [ 252.605761] ? print_usage_bug+0xc0/0xc0 [ 252.609825] ? warn_alloc+0x120/0x120 [ 252.613637] ? print_usage_bug+0xc0/0xc0 [ 252.617703] ? __lock_acquire+0x7ec/0x4ec0 [ 252.621943] ? __lock_acquire+0x7ec/0x4ec0 [ 252.626412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.632011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.637551] ? should_fail+0x22d/0xd01 [ 252.641449] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.646556] ? __lock_acquire+0x7ec/0x4ec0 [ 252.650802] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.655910] ? __lock_acquire+0x7ec/0x4ec0 [ 252.660143] ? should_fail+0x22d/0xd01 [ 252.664047] ? mark_held_locks+0x130/0x130 [ 252.668288] ? mark_held_locks+0x130/0x130 [ 252.672530] ? mark_held_locks+0xc7/0x130 [ 252.676678] ? print_usage_bug+0xc0/0xc0 [ 252.680743] ? graph_lock+0x170/0x170 [ 252.684547] ? print_usage_bug+0xc0/0xc0 [ 252.688616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.694160] ? check_preemption_disabled+0x48/0x280 [ 252.699181] ? check_preemption_disabled+0x48/0x280 [ 252.704221] ? __lock_is_held+0xb5/0x140 [ 252.708291] __alloc_pages_nodemask+0xa80/0xde0 [ 252.712962] ? graph_lock+0x170/0x170 [ 252.716769] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 252.721782] ? graph_lock+0x170/0x170 [ 252.725599] ? find_held_lock+0x36/0x1c0 [ 252.729675] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.734608] ? lock_downgrade+0x900/0x900 [ 252.738775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.744323] cache_grow_begin+0x91/0x8c0 [ 252.748399] ? do_raw_spin_unlock+0xa7/0x330 [ 252.752819] fallback_alloc+0x203/0x2e0 [ 252.756808] ____cache_alloc_node+0x1c7/0x1e0 [ 252.761310] kmem_cache_alloc_node+0xe3/0x730 [ 252.765811] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.770058] __alloc_skb+0x119/0x770 [ 252.773778] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.779060] ? skb_scrub_packet+0x490/0x490 [ 252.783396] ? lock_downgrade+0x900/0x900 [ 252.787562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.793107] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.798567] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.804020] ? addrconf_rs_timer+0x690/0x690 [ 252.808444] ndisc_alloc_skb+0x144/0x340 [ 252.812512] ndisc_send_rs+0x331/0x6e0 [ 252.816412] addrconf_rs_timer+0x314/0x690 [ 252.820658] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.824910] call_timer_fn+0x272/0x920 [ 252.828803] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.833044] ? process_timeout+0x40/0x40 [ 252.837108] ? find_held_lock+0x36/0x1c0 [ 252.841180] ? __run_timers+0x7da/0xc70 [ 252.845167] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.849666] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.854161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.858404] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 252.862997] ? trace_hardirqs_on+0xbd/0x310 [ 252.867326] ? kasan_check_read+0x11/0x20 [ 252.871476] ? __run_timers+0x7da/0xc70 [ 252.875460] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.880922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.885165] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.889411] __run_timers+0x7e5/0xc70 [ 252.893233] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 252.898603] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.903101] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.907603] ? lockdep_hardirqs_on+0x421/0x5c0 [ 252.912191] ? trace_hardirqs_on+0xbd/0x310 [ 252.916518] ? kasan_check_read+0x11/0x20 [ 252.920670] ? finish_task_switch+0x1f4/0x910 [ 252.925170] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.930628] ? compat_start_thread+0x80/0x80 [ 252.935044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.940595] ? _raw_spin_unlock_irq+0x60/0x80 [ 252.945099] ? pvclock_read_flags+0x160/0x160 [ 252.949598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.955143] ? check_preemption_disabled+0x48/0x280 [ 252.960170] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 252.965708] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.970992] ? rcu_pm_notify+0xc0/0xc0 [ 252.974886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.980430] ? check_preemption_disabled+0x48/0x280 [ 252.985461] run_timer_softirq+0x52/0xb0 [ 252.989525] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.994544] __do_softirq+0x30c/0xb03 [ 252.998356] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 253.003465] ? trace_hardirqs_off+0x310/0x310 [ 253.007963] ? trace_hardirqs_on+0x310/0x310 [ 253.012392] ? schedule+0x108/0x460 [ 253.016021] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.020794] ? trace_hardirqs_off+0xb8/0x310 [ 253.025205] ? smpboot_thread_fn+0x68b/0xa00 [ 253.029621] ? trace_hardirqs_on+0x310/0x310 [ 253.034038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.039581] ? check_preemption_disabled+0x48/0x280 [ 253.044604] ? takeover_tasklets+0xa90/0xa90 [ 253.049017] run_ksoftirqd+0x94/0x100 [ 253.052821] smpboot_thread_fn+0x68b/0xa00 [ 253.057060] ? sort_range+0x30/0x30 [ 253.060693] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 253.065803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.071348] ? __kthread_parkme+0xfb/0x1a0 [ 253.075601] kthread+0x35a/0x420 [ 253.078970] ? sort_range+0x30/0x30 [ 253.082598] ? kthread_bind+0x40/0x40 [ 253.086417] ret_from_fork+0x3a/0x50 [ 253.090154] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 253.090160] warn_alloc_show_mem: 1 callbacks suppressed [ 253.090167] Mem-Info: [ 253.097525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.102899] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 253.102899] active_file:11 inactive_file:12 isolated_file:0 [ 253.102899] unevictable:0 dirty:0 writeback:0 unstable:0 [ 253.102899] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 253.102899] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 253.102899] free:13647 free_pcp:360 free_cma:0 [ 253.105272] Call Trace: [ 253.114662] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 253.147681] [ 253.150254] Node 0 [ 253.177926] dump_stack+0x1c4/0x2b6 [ 253.180075] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 253.182290] ? dump_stack_print_info.cold.1+0x20/0x20 [ 253.185895] lowmem_reserve[]: [ 253.211414] warn_alloc.cold.119+0xb7/0x1bd [ 253.216577] 0 [ 253.219681] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.223980] 2819 [ 253.225777] ? lock_downgrade+0x900/0x900 [ 253.230588] 6323 6323 [ 253.232660] ? trace_hardirqs_off+0xb8/0x310 [ 253.239275] ? trace_hardirqs_off+0xb8/0x310 [ 253.243658] Node 0 DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 253.248091] __alloc_pages_slowpath+0x265e/0x2d70 [ 253.248132] ? warn_alloc+0x120/0x120 [ 253.275413] lowmem_reserve[]: [ 253.280254] ? trace_hardirqs_on+0x310/0x310 [ 253.284044] 0 [ 253.287146] ? warn_alloc+0x120/0x120 [ 253.291530] 0 [ 253.293329] ? print_usage_bug+0xc0/0xc0 [ 253.297096] 3503 3503 [ 253.298903] ? warn_alloc+0x120/0x120 [ 253.302938] Node 0 [ 253.305435] ? ktime_get+0x2e1/0x440 [ 253.309250] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 253.311441] ? print_usage_bug+0xc0/0xc0 [ 253.315131] lowmem_reserve[]: [ 253.343592] ? __lock_acquire+0x7ec/0x4ec0 [ 253.347630] 0 [ 253.350736] ? __lock_acquire+0x7ec/0x4ec0 [ 253.354945] 0 [ 253.356745] ? kasan_check_read+0x11/0x20 [ 253.360945] 0 0 [ 253.362757] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.368872] ? should_fail+0x22d/0xd01 [ 253.374391] Node 0 [ 253.378267] ? rcu_bh_qs+0xc0/0xc0 [ 253.378277] DMA: [ 253.380508] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.384024] 1*4kB [ 253.386081] ? __lock_acquire+0x7ec/0x4ec0 [ 253.391162] (U) [ 253.393307] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.397519] 0*8kB [ 253.399488] ? __lock_acquire+0x7ec/0x4ec0 [ 253.404569] 0*16kB [ 253.406719] ? should_fail+0x22d/0xd01 [ 253.410924] 1*32kB [ 253.413156] ? rcu_idle_enter+0x4b0/0x4b0 [ 253.417019] (U) [ 253.419257] ? mark_held_locks+0x130/0x130 [ 253.423377] 2*64kB [ 253.425351] ? mark_held_locks+0x130/0x130 [ 253.429554] (U) 1*128kB [ 253.431798] ? mark_held_locks+0xc7/0x130 [ 253.436001] (U) 1*256kB [ 253.438674] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 253.442792] (U) 0*512kB [ 253.445465] ? graph_lock+0x170/0x170 [ 253.450452] 1*1024kB (U) [ 253.453131] ? print_usage_bug+0xc0/0xc0 [ 253.456908] 1*2048kB [ 253.459664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.463701] (M) [ 253.466110] ? check_preemption_disabled+0x48/0x280 [ 253.471622] 3*4096kB [ 253.473594] ? check_preemption_disabled+0x48/0x280 [ 253.478583] (M) [ 253.480992] ? __lock_is_held+0xb5/0x140 [ 253.485977] = 15908kB [ 253.487950] __alloc_pages_nodemask+0xa80/0xde0 [ 253.491982] Node 0 [ 253.494391] ? graph_lock+0x170/0x170 [ 253.499033] DMA32: [ 253.501263] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 253.505039] 4*4kB [ 253.507271] ? graph_lock+0x170/0x170 [ 253.512274] (UM) [ 253.514439] ? find_held_lock+0x36/0x1c0 [ 253.518207] 2*8kB [ 253.520276] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.524309] (UM) [ 253.526459] ? lock_downgrade+0x900/0x900 [ 253.531105] 2*16kB [ 253.533172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.537285] (M) 3*32kB [ 253.539537] cache_grow_begin+0x91/0x8c0 [ 253.545039] (UM) 4*64kB [ 253.547631] ? do_raw_spin_unlock+0xa7/0x330 [ 253.551663] (M) [ 253.554333] fallback_alloc+0x203/0x2e0 [ 253.558718] 4*128kB [ 253.560691] ____cache_alloc_node+0x1c7/0x1e0 [ 253.564637] (UM) [ 253.566960] kmem_cache_alloc_node+0xe3/0x730 [ 253.571430] 3*256kB [ 253.573488] ? ipv6_get_ifaddr+0x42e/0x620 [ 253.577962] (M) [ 253.580289] __alloc_skb+0x119/0x770 [ 253.584493] 3*512kB [ 253.586468] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.590153] (M) [ 253.592471] ? skb_scrub_packet+0x490/0x490 [ 253.597717] 3*1024kB (UM) [ 253.599698] ? lock_downgrade+0x900/0x900 [ 253.603999] 3*2048kB [ 253.606839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.610959] (M) [ 253.613366] ? refcount_sub_and_test_checked+0x203/0x310 [ 253.618881] 3*4096kB [ 253.620851] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 253.626274] (M) [ 253.628682] ? addrconf_rs_timer+0x690/0x690 [ 253.634107] = 24736kB [ 253.636091] ndisc_alloc_skb+0x144/0x340 [ 253.640464] Node 0 [ 253.642869] ndisc_send_rs+0x331/0x6e0 [ 253.646908] Normal: [ 253.649140] addrconf_rs_timer+0x314/0x690 [ 253.653001] 592*4kB [ 253.655322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.659531] (UMEH) [ 253.661860] call_timer_fn+0x272/0x920 [ 253.666059] 405*8kB (UMEH) [ 253.668303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.672171] 177*16kB [ 253.675095] ? process_timeout+0x40/0x40 [ 253.679304] (UME) [ 253.681721] ? find_held_lock+0x36/0x1c0 [ 253.685751] 103*32kB [ 253.687906] ? __run_timers+0x7da/0xc70 [ 253.691936] (UMH) [ 253.694343] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.698290] 15*64kB [ 253.700438] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.704911] (UMH) [ 253.707223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.707239] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 253.711707] 0*128kB 1*256kB (H) [ 253.713871] ? trace_hardirqs_on+0xbd/0x310 [ 253.718084] 0*512kB [ 253.722664] ? kasan_check_read+0x11/0x20 [ 253.725999] 1*1024kB (H) [ 253.730326] ? __run_timers+0x7da/0xc70 [ 253.732619] 0*2048kB 0*4096kB [ 253.736788] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.739524] = 13976kB [ 253.743490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.746662] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 253.752101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.754965] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 253.754974] 1241 total pagecache pages [ 253.759214] __run_timers+0x7e5/0xc70 [ 253.768038] 0 pages in swap cache [ 253.772277] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 253.780823] Swap cache stats: add 0, delete 0, find 0/0 [ 253.784703] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 253.788478] Free swap = 0kB [ 253.791926] ? graph_lock+0x170/0x170 [ 253.797265] Total swap = 0kB [ 253.802623] ? enqueue_hrtimer+0x1a5/0x560 [ 253.807618] 1965979 pages RAM [ 253.810651] ? lock_release+0x970/0x970 [ 253.814424] 0 pages HighMem/MovableOnly [ 253.814433] 342306 pages reserved [ 253.817445] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 253.821669] 0 pages cma reserved [ 253.824773] ? find_held_lock+0x36/0x1c0 [ 253.828787] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 253.832689] ? graph_lock+0x170/0x170 [ 253.836181] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 253.841308] ? pvclock_read_flags+0x160/0x160 [ 253.844653] ksoftirqd/1 cpuset= [ 253.848720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.855183] / [ 253.858985] ? check_preemption_disabled+0x48/0x280 [ 253.869280] mems_allowed=0 [ 253.873779] ? __lock_is_held+0xb5/0x140 [ 253.896230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.901773] ? check_preemption_disabled+0x48/0x280 [ 253.906804] run_timer_softirq+0x52/0xb0 [ 253.910871] ? rcu_read_lock_sched_held+0x108/0x120 [ 253.915893] __do_softirq+0x30c/0xb03 [ 253.919717] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 253.924828] ? pvclock_read_flags+0x160/0x160 [ 253.929329] ? lapic_next_event+0x5a/0x90 [ 253.933478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.939019] ? check_preemption_disabled+0x48/0x280 [ 253.944035] ? check_preemption_disabled+0x48/0x280 [ 253.949064] ? kvm_clock_read+0x18/0x30 [ 253.953044] ? kvm_sched_clock_read+0x9/0x20 [ 253.957458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.963003] ? check_preemption_disabled+0x48/0x280 [ 253.968038] irq_exit+0x17f/0x1c0 [ 253.971498] smp_apic_timer_interrupt+0x1cb/0x760 [ 253.976347] ? smp_reschedule_interrupt+0x109/0x650 [ 253.981376] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.987279] ? interrupt_entry+0xb5/0xf0 [ 253.991344] ? trace_hardirqs_off_caller+0xbb/0x310 [ 253.996360] ? trace_hardirqs_off_caller+0xbb/0x310 [ 254.001395] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.006241] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.011260] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.016284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.021830] ? check_preemption_disabled+0x48/0x280 [ 254.026850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.032406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.037263] apic_timer_interrupt+0xf/0x20 [ 254.041496] [ 254.043743] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 254.048675] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 254.067577] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 254.075287] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 254.082557] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 254.089827] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 254.097093] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 254.104364] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 254.111682] skb_clone+0x1bb/0x500 [ 254.115235] ? skb_split+0x11e0/0x11e0 [ 254.119126] ? check_preemption_disabled+0x48/0x280 [ 254.124153] ? __this_cpu_preempt_check+0x1c/0x20 [ 254.129006] ? __bpf_redirect+0x54b/0xb20 [ 254.133168] bpf_clone_redirect+0xb9/0x490 [ 254.137418] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 254.142444] ? __sched_text_start+0x8/0x8 [ 254.146607] ? find_held_lock+0x36/0x1c0 [ 254.150678] ? lock_acquire+0x1ed/0x520 [ 254.154660] ? bpf_test_run+0x3cb/0x780 [ 254.158635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.164175] ? check_preemption_disabled+0x48/0x280 [ 254.169203] ? kasan_check_read+0x11/0x20 [ 254.173355] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.178645] ? rcu_bh_qs+0xc0/0xc0 [ 254.182191] ? preempt_schedule+0x4d/0x60 [ 254.186344] ? ___preempt_schedule+0x16/0x18 [ 254.190765] ? bpf_test_run+0x25d/0x780 [ 254.194753] ? netlink_diag_dump+0x2a0/0x2a0 [ 254.199167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.204706] ? bpf_test_init.isra.10+0x70/0x100 [ 254.209399] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 254.214167] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 254.219008] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 254.224552] ? fput+0x130/0x1a0 [ 254.227838] ? __bpf_prog_get+0x9b/0x290 [ 254.231907] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 254.236751] ? bpf_prog_test_run+0x130/0x1a0 [ 254.241164] ? __x64_sys_bpf+0x3d8/0x520 [ 254.245227] ? bpf_prog_get+0x20/0x20 [ 254.249049] ? do_syscall_64+0x1b9/0x820 [ 254.253112] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 254.258481] ? syscall_return_slowpath+0x5e0/0x5e0 [ 254.263418] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.268440] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 254.273462] ? recalc_sigpending_tsk+0x180/0x180 [ 254.278224] ? kasan_check_write+0x14/0x20 [ 254.282467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.287321] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 254.292703] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 254.292778] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.299629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.299634] Call Trace: [ 254.299654] dump_stack+0x1c4/0x2b6 [ 254.299677] ? dump_stack_print_info.cold.1+0x20/0x20 [ 254.306211] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.315513] warn_alloc.cold.119+0xb7/0x1bd [ 254.318069] syz-executor0 cpuset= [ 254.321688] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.326855] syz0 [ 254.337335] ? lock_downgrade+0x900/0x900 [ 254.341633] mems_allowed=0 [ 254.345080] ? trace_hardirqs_off+0xb8/0x310 [ 254.363312] ? trace_hardirqs_off+0xb8/0x310 [ 254.367729] __alloc_pages_slowpath+0x265e/0x2d70 [ 254.372608] ? warn_alloc+0x120/0x120 [ 254.376421] ? warn_alloc+0x120/0x120 [ 254.380232] ? print_usage_bug+0xc0/0xc0 [ 254.384306] ? warn_alloc+0x120/0x120 [ 254.388112] ? print_usage_bug+0xc0/0xc0 [ 254.392177] ? __lock_acquire+0x7ec/0x4ec0 [ 254.396422] ? __lock_acquire+0x7ec/0x4ec0 [ 254.400667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.406208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.411759] ? should_fail+0x22d/0xd01 [ 254.415657] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.420770] ? __lock_acquire+0x7ec/0x4ec0 [ 254.425011] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.430116] ? __lock_acquire+0x7ec/0x4ec0 [ 254.434353] ? should_fail+0x22d/0xd01 [ 254.438260] ? mark_held_locks+0x130/0x130 [ 254.442506] ? mark_held_locks+0x130/0x130 [ 254.446745] ? graph_lock+0x170/0x170 [ 254.450553] ? print_usage_bug+0xc0/0xc0 [ 254.454622] ? graph_lock+0x170/0x170 [ 254.459207] ? print_usage_bug+0xc0/0xc0 [ 254.463287] ? wq_watchdog_touch+0x9c/0xfe [ 254.467531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.473073] ? check_preemption_disabled+0x48/0x280 [ 254.478093] ? check_preemption_disabled+0x48/0x280 [ 254.483134] ? __lock_is_held+0xb5/0x140 [ 254.487276] __alloc_pages_nodemask+0xa80/0xde0 [ 254.491962] ? graph_lock+0x170/0x170 [ 254.495777] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 254.500797] ? graph_lock+0x170/0x170 [ 254.504613] ? find_held_lock+0x36/0x1c0 [ 254.508690] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.513361] ? lock_downgrade+0x900/0x900 [ 254.517526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.523072] cache_grow_begin+0x91/0x8c0 [ 254.527136] ? do_raw_spin_unlock+0xa7/0x330 [ 254.531559] fallback_alloc+0x203/0x2e0 [ 254.535545] ____cache_alloc_node+0x1c7/0x1e0 [ 254.540057] kmem_cache_alloc_node+0xe3/0x730 [ 254.544561] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.548809] __alloc_skb+0x119/0x770 [ 254.554174] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.559460] ? skb_scrub_packet+0x490/0x490 [ 254.563786] ? lock_downgrade+0x900/0x900 [ 254.567975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.573521] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.578979] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.584455] ? addrconf_rs_timer+0x690/0x690 [ 254.588884] ndisc_alloc_skb+0x144/0x340 [ 254.592956] ndisc_send_rs+0x331/0x6e0 [ 254.596867] addrconf_rs_timer+0x314/0x690 [ 254.601112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.605366] call_timer_fn+0x272/0x920 [ 254.609266] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.613538] ? process_timeout+0x40/0x40 [ 254.617604] ? find_held_lock+0x36/0x1c0 [ 254.621678] ? __run_timers+0x7da/0xc70 [ 254.625856] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.630360] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.634869] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.639111] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 254.643701] ? trace_hardirqs_on+0xbd/0x310 [ 254.648027] ? kasan_check_read+0x11/0x20 [ 254.652180] ? __run_timers+0x7da/0xc70 [ 254.656163] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.661626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.665874] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.670116] __run_timers+0x7e5/0xc70 [ 254.673936] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.679311] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.683813] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.688323] ? lockdep_hardirqs_on+0x421/0x5c0 [ 254.692910] ? trace_hardirqs_on+0xbd/0x310 [ 254.697237] ? kasan_check_read+0x11/0x20 [ 254.701396] ? finish_task_switch+0x1f4/0x910 [ 254.705896] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.711347] ? compat_start_thread+0x80/0x80 [ 254.715770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.721319] ? _raw_spin_unlock_irq+0x60/0x80 [ 254.725826] ? pvclock_read_flags+0x160/0x160 [ 254.730323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.735871] ? check_preemption_disabled+0x48/0x280 [ 254.740906] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 254.746446] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.751727] ? rcu_pm_notify+0xc0/0xc0 [ 254.755621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.761167] ? check_preemption_disabled+0x48/0x280 [ 254.766194] run_timer_softirq+0x52/0xb0 [ 254.770268] ? rcu_read_lock_sched_held+0x108/0x120 [ 254.775290] __do_softirq+0x30c/0xb03 [ 254.779107] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 254.784219] ? trace_hardirqs_off+0x310/0x310 [ 254.788714] ? trace_hardirqs_on+0x310/0x310 [ 254.793133] ? schedule+0x108/0x460 [ 254.796787] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 254.801580] ? trace_hardirqs_off+0xb8/0x310 [ 254.805993] ? smpboot_thread_fn+0x68b/0xa00 [ 254.810410] ? trace_hardirqs_on+0x310/0x310 [ 254.814825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.820369] ? check_preemption_disabled+0x48/0x280 [ 254.825411] ? takeover_tasklets+0xa90/0xa90 [ 254.829825] run_ksoftirqd+0x94/0x100 [ 254.833629] smpboot_thread_fn+0x68b/0xa00 [ 254.837873] ? sort_range+0x30/0x30 [ 254.841509] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 254.846618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.852160] ? __kthread_parkme+0xfb/0x1a0 [ 254.856416] kthread+0x35a/0x420 [ 254.859790] ? sort_range+0x30/0x30 [ 254.863420] ? kthread_bind+0x40/0x40 [ 254.867238] ret_from_fork+0x3a/0x50 [ 254.870975] warn_alloc_show_mem: 1 callbacks suppressed [ 254.870988] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 254.870990] Mem-Info: [ 254.871021] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 254.871021] active_file:11 inactive_file:12 isolated_file:0 [ 254.871021] unevictable:0 dirty:0 writeback:0 unstable:0 [ 254.871021] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 254.871021] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 254.871021] free:13647 free_pcp:360 free_cma:0 [ 254.876363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.883740] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 254.886141] Call Trace: [ 254.919194] Node 0 [ 254.928567] [ 254.956258] 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 [ 254.958825] dump_stack+0x1c4/0x2b6 [ 254.961028] lowmem_reserve[]: 0 [ 254.963183] ? dump_stack_print_info.cold.1+0x20/0x20 [ 254.988669] 2819 [ 254.992314] warn_alloc.cold.119+0xb7/0x1bd [ 254.995553] 6323 [ 255.000741] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 255.002784] 6323 [ 255.007103] ? lock_downgrade+0x900/0x900 [ 255.013985] ? trace_hardirqs_off+0xb8/0x310 [ 255.016025] Node 0 [ 255.020165] ? trace_hardirqs_off+0xb8/0x310 [ 255.024576] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 255.026789] __alloc_pages_slowpath+0x265e/0x2d70 [ 255.031166] lowmem_reserve[]: [ 255.057948] ? warn_alloc+0x120/0x120 [ 255.062743] 0 [ 255.065844] ? lock_release+0x970/0x970 [ 255.069614] 0 3503 [ 255.071422] ? warn_alloc+0x120/0x120 [ 255.075372] 3503 [ 255.077612] ? print_usage_bug+0xc0/0xc0 [ 255.083457] ? warn_alloc+0x120/0x120 [ 255.087493] Node 0 [ 255.091289] ? print_usage_bug+0xc0/0xc0 [ 255.091321] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 255.091328] lowmem_reserve[]: [ 255.093565] ? __lock_acquire+0x7ec/0x4ec0 [ 255.097606] 0 [ 255.126060] ? __lock_acquire+0x7ec/0x4ec0 [ 255.129142] 0 [ 255.133392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.135196] 0 [ 255.139426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.141204] 0 [ 255.146744] ? should_fail+0x22d/0xd01 [ 255.154054] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.155837] Node 0 [ 255.159722] ? __lock_acquire+0x7ec/0x4ec0 [ 255.164792] DMA: 1*4kB [ 255.167033] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.171244] (U) [ 255.173828] ? __lock_acquire+0x7ec/0x4ec0 [ 255.178913] 0*8kB [ 255.180892] ? should_fail+0x22d/0xd01 [ 255.185100] 0*16kB [ 255.187252] ? mark_held_locks+0x130/0x130 [ 255.191111] 1*32kB [ 255.193340] ? mark_held_locks+0x130/0x130 [ 255.197550] (U) [ 255.199782] ? graph_lock+0x170/0x170 [ 255.203995] 2*64kB [ 255.205964] ? print_usage_bug+0xc0/0xc0 [ 255.209740] (U) [ 255.211971] ? graph_lock+0x170/0x170 [ 255.216005] 1*128kB (U) [ 255.217982] ? print_usage_bug+0xc0/0xc0 [ 255.221757] 1*256kB (U) [ 255.224435] ? wq_watchdog_touch+0x9c/0xfe [ 255.228473] 0*512kB [ 255.231142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.235349] 1*1024kB [ 255.237671] ? check_preemption_disabled+0x48/0x280 [ 255.243183] (U) [ 255.245594] ? check_preemption_disabled+0x48/0x280 [ 255.250584] 1*2048kB [ 255.252560] ? __lock_is_held+0xb5/0x140 [ 255.257543] (M) [ 255.259949] __alloc_pages_nodemask+0xa80/0xde0 [ 255.263981] 3*4096kB [ 255.265954] ? graph_lock+0x170/0x170 [ 255.270600] (M) [ 255.273010] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 255.276785] = 15908kB [ 255.278752] ? graph_lock+0x170/0x170 [ 255.283748] Node 0 [ 255.286163] ? find_held_lock+0x36/0x1c0 [ 255.289932] DMA32: [ 255.292168] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.296198] 4*4kB [ 255.298434] ? lock_downgrade+0x900/0x900 [ 255.303075] (UM) [ 255.305225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.309354] 2*8kB [ 255.311427] cache_grow_begin+0x91/0x8c0 [ 255.316941] (UM) [ 255.319090] ? do_raw_spin_unlock+0xa7/0x330 [ 255.323119] 2*16kB (M) [ 255.325196] fallback_alloc+0x203/0x2e0 [ 255.329574] 3*32kB [ 255.332152] ____cache_alloc_node+0x1c7/0x1e0 [ 255.336097] (UM) [ 255.338331] kmem_cache_alloc_node+0xe3/0x730 [ 255.342802] 4*64kB [ 255.344871] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.349340] (M) [ 255.351580] __alloc_skb+0x119/0x770 [ 255.355790] 4*128kB [ 255.357772] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.361461] (UM) [ 255.363785] ? skb_scrub_packet+0x490/0x490 [ 255.369040] 3*256kB [ 255.371097] ? lock_downgrade+0x900/0x900 [ 255.375403] (M) [ 255.377779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.381917] 3*512kB [ 255.383893] ? refcount_sub_and_test_checked+0x203/0x310 [ 255.389407] (M) [ 255.391730] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 255.397146] 3*1024kB (UM) [ 255.399124] ? addrconf_rs_timer+0x690/0x690 [ 255.404548] 3*2048kB [ 255.407400] ndisc_alloc_skb+0x144/0x340 [ 255.411775] (M) [ 255.414184] ndisc_send_rs+0x331/0x6e0 [ 255.418218] 3*4096kB [ 255.420189] addrconf_rs_timer+0x314/0x690 [ 255.424049] (M) [ 255.426455] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.430674] = 24736kB [ 255.432653] call_timer_fn+0x272/0x920 [ 255.436851] Node 0 [ 255.439260] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.443120] Normal: 592*4kB [ 255.445364] ? process_timeout+0x40/0x40 [ 255.449570] (UMEH) [ 255.452581] ? find_held_lock+0x36/0x1c0 [ 255.456635] 405*8kB [ 255.458869] ? __run_timers+0x7da/0xc70 [ 255.462902] (UMEH) [ 255.465223] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.469174] 177*16kB [ 255.471449] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.475917] (UME) [ 255.478322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.482789] 103*32kB (UMH) [ 255.484945] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 255.489149] 15*64kB (UMH) [ 255.492082] ? trace_hardirqs_on+0xbd/0x310 [ 255.496639] 0*128kB [ 255.499477] ? kasan_check_read+0x11/0x20 [ 255.503773] 1*256kB [ 255.506090] ? __run_timers+0x7da/0xc70 [ 255.510215] (H) [ 255.512532] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.516481] 0*512kB [ 255.518453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.523880] 1*1024kB [ 255.526199] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.530447] (H) [ 255.532859] __run_timers+0x7e5/0xc70 [ 255.537068] 0*2048kB [ 255.539050] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 255.542819] 0*4096kB [ 255.545229] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 255.550571] = 13976kB [ 255.552973] ? graph_lock+0x170/0x170 [ 255.557977] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 255.560375] ? enqueue_hrtimer+0x1a5/0x560 [ 255.564164] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 255.572990] ? lock_release+0x970/0x970 [ 255.577200] 1241 total pagecache pages [ 255.585770] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 255.589734] 0 pages in swap cache [ 255.593617] ? find_held_lock+0x36/0x1c0 [ 255.598780] Swap cache stats: add 0, delete 0, find 0/0 [ 255.598789] Free swap = 0kB [ 255.602233] ? graph_lock+0x170/0x170 [ 255.606275] Total swap = 0kB [ 255.611630] ? pvclock_read_flags+0x160/0x160 [ 255.614625] 1965979 pages RAM [ 255.618421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.621410] 0 pages HighMem/MovableOnly [ 255.621419] 342306 pages reserved [ 255.625913] ? check_preemption_disabled+0x48/0x280 [ 255.628991] 0 pages cma reserved [ 255.634530] ? __lock_is_held+0xb5/0x140 [ 255.638547] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 255.641930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.647010] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 255.650290] ? check_preemption_disabled+0x48/0x280 [ 255.654325] ksoftirqd/1 cpuset= [ 255.660817] run_timer_softirq+0x52/0xb0 [ 255.666325] / [ 255.676631] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.681627] mems_allowed=0 [ 255.684902] __do_softirq+0x30c/0xb03 [ 255.702412] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 255.707570] ? pvclock_read_flags+0x160/0x160 [ 255.712070] ? lapic_next_event+0x5a/0x90 [ 255.716222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.721762] ? check_preemption_disabled+0x48/0x280 [ 255.726785] ? check_preemption_disabled+0x48/0x280 [ 255.731814] ? kvm_clock_read+0x18/0x30 [ 255.735789] ? kvm_sched_clock_read+0x9/0x20 [ 255.740204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.745751] ? check_preemption_disabled+0x48/0x280 [ 255.750784] irq_exit+0x17f/0x1c0 [ 255.754398] smp_apic_timer_interrupt+0x1cb/0x760 [ 255.759244] ? smp_reschedule_interrupt+0x109/0x650 [ 255.764267] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.770155] ? interrupt_entry+0xb5/0xf0 [ 255.774219] ? trace_hardirqs_off_caller+0xbb/0x310 [ 255.779238] ? trace_hardirqs_off_caller+0xbb/0x310 [ 255.784262] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.789110] ? trace_hardirqs_on_caller+0x310/0x310 [ 255.794129] ? trace_hardirqs_on_caller+0x310/0x310 [ 255.799146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.804684] ? check_preemption_disabled+0x48/0x280 [ 255.809709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.815262] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.820117] apic_timer_interrupt+0xf/0x20 [ 255.824352] [ 255.826601] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 255.831537] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 255.850441] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 255.858153] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 255.865462] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 255.872737] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 255.880006] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 255.887273] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 255.894583] skb_clone+0x1bb/0x500 [ 255.898125] ? skb_split+0x11e0/0x11e0 [ 255.902014] ? check_preemption_disabled+0x48/0x280 [ 255.907041] ? __this_cpu_preempt_check+0x1c/0x20 [ 255.911886] ? __bpf_redirect+0x54b/0xb20 [ 255.916046] bpf_clone_redirect+0xb9/0x490 [ 255.920292] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 255.925319] ? __sched_text_start+0x8/0x8 [ 255.929484] ? find_held_lock+0x36/0x1c0 [ 255.933553] ? lock_acquire+0x1ed/0x520 [ 255.937533] ? bpf_test_run+0x3cb/0x780 [ 255.941515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.947053] ? check_preemption_disabled+0x48/0x280 [ 255.952082] ? kasan_check_read+0x11/0x20 [ 255.956233] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.961516] ? rcu_bh_qs+0xc0/0xc0 [ 255.965062] ? preempt_schedule+0x4d/0x60 [ 255.969217] ? ___preempt_schedule+0x16/0x18 [ 255.973639] ? bpf_test_run+0x25d/0x780 [ 255.977628] ? netlink_diag_dump+0x2a0/0x2a0 [ 255.982040] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.987579] ? bpf_test_init.isra.10+0x70/0x100 [ 255.992259] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 255.997029] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 256.001874] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 256.007424] ? fput+0x130/0x1a0 [ 256.010705] ? __bpf_prog_get+0x9b/0x290 [ 256.014778] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 256.019625] ? bpf_prog_test_run+0x130/0x1a0 [ 256.024041] ? __x64_sys_bpf+0x3d8/0x520 [ 256.028102] ? bpf_prog_get+0x20/0x20 [ 256.031926] ? do_syscall_64+0x1b9/0x820 [ 256.035993] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 256.041362] ? syscall_return_slowpath+0x5e0/0x5e0 [ 256.046304] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.051328] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 256.056344] ? recalc_sigpending_tsk+0x180/0x180 [ 256.061105] ? kasan_check_write+0x14/0x20 [ 256.065350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.070215] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 256.075600] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 256.075672] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.082527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.082532] Call Trace: [ 256.082555] dump_stack+0x1c4/0x2b6 [ 256.082573] ? dump_stack_print_info.cold.1+0x20/0x20 [ 256.089137] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.098418] warn_alloc.cold.119+0xb7/0x1bd [ 256.100975] syz-executor0 cpuset= [ 256.104615] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.109780] syz0 [ 256.120277] ? lock_downgrade+0x900/0x900 [ 256.124576] mems_allowed=0 [ 256.128026] ? trace_hardirqs_off+0xb8/0x310 [ 256.146266] ? trace_hardirqs_off+0xb8/0x310 [ 256.150690] __alloc_pages_slowpath+0x265e/0x2d70 [ 256.155566] ? warn_alloc+0x120/0x120 [ 256.159373] ? warn_alloc+0x120/0x120 [ 256.163189] ? print_usage_bug+0xc0/0xc0 [ 256.167261] ? warn_alloc+0x120/0x120 [ 256.171065] ? print_usage_bug+0xc0/0xc0 [ 256.175130] ? __lock_acquire+0x7ec/0x4ec0 [ 256.179373] ? __lock_acquire+0x7ec/0x4ec0 [ 256.183628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.189171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.194713] ? should_fail+0x22d/0xd01 [ 256.198615] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.203722] ? __lock_acquire+0x7ec/0x4ec0 [ 256.207965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.213070] ? __lock_acquire+0x7ec/0x4ec0 [ 256.217305] ? should_fail+0x22d/0xd01 [ 256.221204] ? mark_held_locks+0x130/0x130 [ 256.225452] ? mark_held_locks+0x130/0x130 [ 256.229698] ? mark_held_locks+0xc7/0x130 [ 256.233847] ? print_usage_bug+0xc0/0xc0 [ 256.237914] ? graph_lock+0x170/0x170 [ 256.241715] ? print_usage_bug+0xc0/0xc0 [ 256.245783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.251324] ? check_preemption_disabled+0x48/0x280 [ 256.256343] ? check_preemption_disabled+0x48/0x280 [ 256.261372] ? __lock_is_held+0xb5/0x140 [ 256.265453] __alloc_pages_nodemask+0xa80/0xde0 [ 256.270130] ? graph_lock+0x170/0x170 [ 256.273939] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 256.278953] ? graph_lock+0x170/0x170 [ 256.282771] ? find_held_lock+0x36/0x1c0 [ 256.286848] ? ____cache_alloc_node+0x1c7/0x1e0 [ 256.291524] ? lock_downgrade+0x900/0x900 [ 256.295680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.301229] cache_grow_begin+0x91/0x8c0 [ 256.305298] ? do_raw_spin_unlock+0xa7/0x330 [ 256.309722] fallback_alloc+0x203/0x2e0 [ 256.313705] ____cache_alloc_node+0x1c7/0x1e0 [ 256.318210] kmem_cache_alloc_node+0xe3/0x730 [ 256.322713] ? ipv6_get_ifaddr+0x42e/0x620 [ 256.326959] __alloc_skb+0x119/0x770 [ 256.330678] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.335966] ? skb_scrub_packet+0x490/0x490 [ 256.340291] ? lock_downgrade+0x900/0x900 [ 256.344457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.350001] ? refcount_sub_and_test_checked+0x203/0x310 [ 256.355487] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 256.360960] ? addrconf_rs_timer+0x690/0x690 [ 256.365396] ndisc_alloc_skb+0x144/0x340 [ 256.369466] ndisc_send_rs+0x331/0x6e0 [ 256.373367] addrconf_rs_timer+0x314/0x690 [ 256.377659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.381914] call_timer_fn+0x272/0x920 [ 256.385804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.390048] ? process_timeout+0x40/0x40 [ 256.394112] ? find_held_lock+0x36/0x1c0 [ 256.398198] ? __run_timers+0x7da/0xc70 [ 256.402185] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.406691] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.411188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.415436] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 256.420023] ? trace_hardirqs_on+0xbd/0x310 [ 256.424353] ? kasan_check_read+0x11/0x20 [ 256.428513] ? __run_timers+0x7da/0xc70 [ 256.432494] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.437957] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.442200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.446442] __run_timers+0x7e5/0xc70 [ 256.450260] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 256.455631] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.460135] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.464634] ? lockdep_hardirqs_on+0x421/0x5c0 [ 256.469230] ? trace_hardirqs_on+0xbd/0x310 [ 256.473557] ? kasan_check_read+0x11/0x20 [ 256.477712] ? finish_task_switch+0x1f4/0x910 [ 256.482219] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.487674] ? compat_start_thread+0x80/0x80 [ 256.492087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.497631] ? _raw_spin_unlock_irq+0x60/0x80 [ 256.502141] ? pvclock_read_flags+0x160/0x160 [ 256.506642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.512187] ? check_preemption_disabled+0x48/0x280 [ 256.517228] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 256.522769] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.528050] ? rcu_pm_notify+0xc0/0xc0 [ 256.531942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.537490] ? check_preemption_disabled+0x48/0x280 [ 256.542523] run_timer_softirq+0x52/0xb0 [ 256.546589] ? rcu_read_lock_sched_held+0x108/0x120 [ 256.551608] __do_softirq+0x30c/0xb03 [ 256.555437] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 256.560545] ? trace_hardirqs_off+0x310/0x310 [ 256.565044] ? trace_hardirqs_on+0x310/0x310 [ 256.569462] ? schedule+0x108/0x460 [ 256.573092] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.577865] ? trace_hardirqs_off+0xb8/0x310 [ 256.582277] ? smpboot_thread_fn+0x68b/0xa00 [ 256.586693] ? trace_hardirqs_on+0x310/0x310 [ 256.591110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.596657] ? check_preemption_disabled+0x48/0x280 [ 256.601679] ? takeover_tasklets+0xa90/0xa90 [ 256.606093] run_ksoftirqd+0x94/0x100 [ 256.609895] smpboot_thread_fn+0x68b/0xa00 [ 256.614134] ? sort_range+0x30/0x30 [ 256.617770] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 256.623103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.628643] ? __kthread_parkme+0xfb/0x1a0 [ 256.632886] kthread+0x35a/0x420 [ 256.636275] ? sort_range+0x30/0x30 [ 256.639902] ? kthread_bind+0x40/0x40 [ 256.643714] ret_from_fork+0x3a/0x50 [ 256.647454] warn_alloc_show_mem: 1 callbacks suppressed [ 256.647466] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 256.647468] Mem-Info: [ 256.647506] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 256.647506] active_file:11 inactive_file:12 isolated_file:0 [ 256.647506] unevictable:0 dirty:0 writeback:0 unstable:0 [ 256.647506] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 256.647506] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 256.647506] free:13647 free_pcp:360 free_cma:0 [ 256.652842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.660210] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 256.662612] Call Trace: [ 256.695668] Node 0 [ 256.705030] [ 256.732767] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 256.735346] dump_stack+0x1c4/0x2b6 [ 256.737556] lowmem_reserve[]: [ 256.739708] ? dump_stack_print_info.cold.1+0x20/0x20 [ 256.765205] 0 [ 256.768857] warn_alloc.cold.119+0xb7/0x1bd [ 256.771927] 2819 [ 256.777119] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.779251] 6323 [ 256.783580] ? lock_downgrade+0x900/0x900 [ 256.785626] 6323 [ 256.790476] ? trace_hardirqs_off+0xb8/0x310 [ 256.796679] ? trace_hardirqs_off+0xb8/0x310 [ 256.798734] Node 0 [ 256.803154] __alloc_pages_slowpath+0x265e/0x2d70 [ 256.807620] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 256.809862] ? warn_alloc+0x120/0x120 [ 256.814664] lowmem_reserve[]: [ 256.841416] ? trace_hardirqs_on+0x310/0x310 [ 256.845203] 0 [ 256.848327] ? warn_alloc+0x120/0x120 [ 256.852715] 0 3503 [ 256.854535] ? print_usage_bug+0xc0/0xc0 [ 256.858323] 3503 [ 256.860565] ? warn_alloc+0x120/0x120 [ 256.864615] Node 0 [ 256.866683] ? ktime_get+0x2e1/0x440 [ 256.870523] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 256.872739] ? print_usage_bug+0xc0/0xc0 [ 256.876445] lowmem_reserve[]: [ 256.904906] ? __lock_acquire+0x7ec/0x4ec0 [ 256.908956] 0 [ 256.912066] ? __lock_acquire+0x7ec/0x4ec0 [ 256.916289] 0 [ 256.918106] ? kasan_check_read+0x11/0x20 [ 256.922327] 0 [ 256.924138] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.928274] 0 [ 256.930086] ? should_fail+0x22d/0xd01 [ 256.937447] ? rcu_bh_qs+0xc0/0xc0 [ 256.941487] Node 0 DMA: [ 256.945034] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.945050] ? __lock_acquire+0x7ec/0x4ec0 [ 256.947713] 1*4kB [ 256.952825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.957045] (U) [ 256.959206] ? __lock_acquire+0x7ec/0x4ec0 [ 256.964307] 0*8kB [ 256.966290] ? should_fail+0x22d/0xd01 [ 256.970514] 0*16kB [ 256.972671] ? rcu_idle_enter+0x4b0/0x4b0 [ 256.976548] 1*32kB [ 256.978798] ? mark_held_locks+0x130/0x130 [ 256.982926] (U) 2*64kB [ 256.985184] ? mark_held_locks+0x130/0x130 [ 256.989426] (U) 1*128kB [ 256.992028] ? mark_held_locks+0xc7/0x130 [ 256.996250] (U) [ 256.998929] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 257.003063] 1*256kB [ 257.005046] ? graph_lock+0x170/0x170 [ 257.010050] (U) [ 257.012420] ? print_usage_bug+0xc0/0xc0 [ 257.016219] 0*512kB [ 257.018204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.022411] 1*1024kB [ 257.024742] ? check_preemption_disabled+0x48/0x280 [ 257.030268] (U) [ 257.032686] ? check_preemption_disabled+0x48/0x280 [ 257.037689] 1*2048kB [ 257.039707] ? __lock_is_held+0xb5/0x140 [ 257.044711] (M) [ 257.047139] __alloc_pages_nodemask+0xa80/0xde0 [ 257.051185] 3*4096kB [ 257.053170] ? graph_lock+0x170/0x170 [ 257.057827] (M) [ 257.060244] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 257.064032] = 15908kB [ 257.066014] ? graph_lock+0x170/0x170 [ 257.071018] Node 0 [ 257.073459] ? find_held_lock+0x36/0x1c0 [ 257.077248] DMA32: [ 257.079503] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.083546] 4*4kB [ 257.085787] ? lock_downgrade+0x900/0x900 [ 257.090448] (UM) [ 257.092608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.096741] 2*8kB [ 257.098814] cache_grow_begin+0x91/0x8c0 [ 257.104342] (UM) [ 257.106501] ? do_raw_spin_unlock+0xa7/0x330 [ 257.110548] 2*16kB [ 257.112618] fallback_alloc+0x203/0x2e0 [ 257.117012] (M) [ 257.119258] ____cache_alloc_node+0x1c7/0x1e0 [ 257.123217] 3*32kB (UM) [ 257.125212] kmem_cache_alloc_node+0xe3/0x730 [ 257.129691] 4*64kB (M) [ 257.132407] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.136891] 4*128kB [ 257.139491] __alloc_skb+0x119/0x770 [ 257.143712] (UM) [ 257.146051] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.149749] 3*256kB [ 257.151821] ? skb_scrub_packet+0x490/0x490 [ 257.157102] (M) [ 257.159448] ? lock_downgrade+0x900/0x900 [ 257.163762] 3*512kB [ 257.165754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.169891] (M) [ 257.172231] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.177757] 3*1024kB [ 257.179747] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.185307] (UM) [ 257.187729] ? addrconf_rs_timer+0x690/0x690 [ 257.193167] 3*2048kB [ 257.195244] ndisc_alloc_skb+0x144/0x340 [ 257.199636] (M) [ 257.202056] ndisc_send_rs+0x331/0x6e0 [ 257.206106] 3*4096kB [ 257.208088] addrconf_rs_timer+0x314/0x690 [ 257.211961] (M) [ 257.214379] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.218626] = 24736kB [ 257.220620] call_timer_fn+0x272/0x920 [ 257.224834] Node 0 [ 257.227253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.231125] Normal: [ 257.233369] ? process_timeout+0x40/0x40 [ 257.237622] 592*4kB [ 257.239949] ? find_held_lock+0x36/0x1c0 [ 257.244000] (UMEH) [ 257.246338] ? __run_timers+0x7da/0xc70 [ 257.250381] 405*8kB (UMEH) [ 257.252663] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.256622] 177*16kB [ 257.259564] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.264048] (UME) [ 257.266464] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.270947] 103*32kB [ 257.273106] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 257.277327] (UMH) [ 257.279749] ? trace_hardirqs_on+0xbd/0x310 [ 257.284318] 15*64kB [ 257.286476] ? kasan_check_read+0x11/0x20 [ 257.290783] (UMH) [ 257.293113] ? __run_timers+0x7da/0xc70 [ 257.297247] 0*128kB [ 257.299424] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.303413] 1*256kB [ 257.305759] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.311193] (H) [ 257.313525] __run_timers+0x7e5/0xc70 [ 257.317747] 0*512kB [ 257.319742] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 257.323516] 1*1024kB [ 257.325850] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 257.331200] (H) [ 257.333619] ? graph_lock+0x170/0x170 [ 257.338629] 0*2048kB [ 257.340609] ? enqueue_hrtimer+0x1a5/0x560 [ 257.344419] 0*4096kB [ 257.346835] ? lock_release+0x970/0x970 [ 257.351057] = 13976kB [ 257.351071] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 257.353487] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 257.357455] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 257.359869] ? find_held_lock+0x36/0x1c0 [ 257.368753] 1241 total pagecache pages [ 257.373945] ? graph_lock+0x170/0x170 [ 257.382525] 0 pages in swap cache [ 257.386585] ? pvclock_read_flags+0x160/0x160 [ 257.390469] Swap cache stats: add 0, delete 0, find 0/0 [ 257.394271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.397712] Free swap = 0kB [ 257.402222] ? check_preemption_disabled+0x48/0x280 [ 257.407575] Total swap = 0kB [ 257.413127] ? __lock_is_held+0xb5/0x140 [ 257.416129] 1965979 pages RAM [ 257.421149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.424155] 0 pages HighMem/MovableOnly [ 257.428229] ? check_preemption_disabled+0x48/0x280 [ 257.431323] 342306 pages reserved [ 257.436868] run_timer_softirq+0x52/0xb0 [ 257.440833] 0 pages cma reserved [ 257.445854] ? rcu_read_lock_sched_held+0x108/0x120 [ 257.449377] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 257.453373] __do_softirq+0x30c/0xb03 [ 257.456924] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 257.461787] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 257.468262] ksoftirqd/1 cpuset= [ 257.472071] ? pvclock_read_flags+0x160/0x160 [ 257.482369] / [ 257.487501] ? lapic_next_event+0x5a/0x90 [ 257.490802] mems_allowed=0 [ 257.495301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.509622] ? check_preemption_disabled+0x48/0x280 [ 257.514652] ? check_preemption_disabled+0x48/0x280 [ 257.519689] ? kvm_clock_read+0x18/0x30 [ 257.523684] ? kvm_sched_clock_read+0x9/0x20 [ 257.528117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.533670] ? check_preemption_disabled+0x48/0x280 [ 257.538720] irq_exit+0x17f/0x1c0 [ 257.542189] smp_apic_timer_interrupt+0x1cb/0x760 [ 257.547048] ? smp_reschedule_interrupt+0x109/0x650 [ 257.552092] ? smp_call_function_single_interrupt+0x650/0x650 [ 257.557994] ? interrupt_entry+0xb5/0xf0 [ 257.562075] ? trace_hardirqs_off_caller+0xbb/0x310 [ 257.567107] ? trace_hardirqs_off_caller+0xbb/0x310 [ 257.572142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.577088] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.582116] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.587147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.592709] ? check_preemption_disabled+0x48/0x280 [ 257.597745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.603302] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.608165] apic_timer_interrupt+0xf/0x20 [ 257.612428] [ 257.614681] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 257.619628] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 257.638542] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 257.646267] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 257.653545] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 257.660823] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 257.668101] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 257.675380] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 257.682730] skb_clone+0x1bb/0x500 [ 257.686293] ? skb_split+0x11e0/0x11e0 [ 257.690196] ? check_preemption_disabled+0x48/0x280 [ 257.695231] ? __this_cpu_preempt_check+0x1c/0x20 [ 257.700091] ? __bpf_redirect+0x54b/0xb20 [ 257.704263] bpf_clone_redirect+0xb9/0x490 [ 257.708532] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 257.713568] ? __sched_text_start+0x8/0x8 [ 257.717750] ? find_held_lock+0x36/0x1c0 [ 257.721833] ? lock_acquire+0x1ed/0x520 [ 257.725825] ? bpf_test_run+0x3cb/0x780 [ 257.729815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.735427] ? check_preemption_disabled+0x48/0x280 [ 257.740471] ? kasan_check_read+0x11/0x20 [ 257.744639] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.749930] ? rcu_bh_qs+0xc0/0xc0 [ 257.753487] ? preempt_schedule+0x4d/0x60 [ 257.757921] ? ___preempt_schedule+0x16/0x18 [ 257.762352] ? bpf_test_run+0x25d/0x780 [ 257.766376] ? netlink_diag_dump+0x2a0/0x2a0 [ 257.770825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.776374] ? bpf_test_init.isra.10+0x70/0x100 [ 257.781089] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 257.785871] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 257.790732] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.796291] ? fput+0x130/0x1a0 [ 257.799590] ? __bpf_prog_get+0x9b/0x290 [ 257.803677] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 257.808534] ? bpf_prog_test_run+0x130/0x1a0 [ 257.812961] ? __x64_sys_bpf+0x3d8/0x520 [ 257.817037] ? bpf_prog_get+0x20/0x20 [ 257.820872] ? do_syscall_64+0x1b9/0x820 [ 257.824947] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 257.830327] ? syscall_return_slowpath+0x5e0/0x5e0 [ 257.835277] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.840321] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 257.845349] ? recalc_sigpending_tsk+0x180/0x180 [ 257.850207] ? kasan_check_write+0x14/0x20 [ 257.854472] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.859344] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 257.864747] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 257.864817] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 257.871690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.871696] Call Trace: [ 257.871715] dump_stack+0x1c4/0x2b6 [ 257.871734] ? dump_stack_print_info.cold.1+0x20/0x20 [ 257.871759] warn_alloc.cold.119+0xb7/0x1bd [ 257.878324] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 257.887620] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.890194] syz-executor0 cpuset= [ 257.893885] ? lock_downgrade+0x900/0x900 [ 257.899057] syz0 [ 257.903418] ? trace_hardirqs_off+0xb8/0x310 [ 257.913894] mems_allowed=0 [ 257.918754] ? trace_hardirqs_off+0xb8/0x310 [ 257.940096] __alloc_pages_slowpath+0x265e/0x2d70 [ 257.945013] ? warn_alloc+0x120/0x120 [ 257.948836] ? warn_alloc+0x120/0x120 [ 257.952670] ? print_usage_bug+0xc0/0xc0 [ 257.956749] ? warn_alloc+0x120/0x120 [ 257.960569] ? print_usage_bug+0xc0/0xc0 [ 257.964655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.970209] ? should_fail+0x22d/0xd01 [ 257.974117] ? lock_downgrade+0x900/0x900 [ 257.978286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.983440] ? __lock_acquire+0x7ec/0x4ec0 [ 257.987702] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.992819] ? __lock_acquire+0x7ec/0x4ec0 [ 257.997067] ? should_fail+0x22d/0xd01 [ 258.000985] ? mark_held_locks+0x130/0x130 [ 258.005243] ? mark_held_locks+0x130/0x130 [ 258.009502] ? select_task_rq_fair+0x7ab/0x33a0 [ 258.014192] ? lock_downgrade+0x900/0x900 [ 258.018365] ? check_preemption_disabled+0x48/0x280 [ 258.023439] ? graph_lock+0x170/0x170 [ 258.027254] ? print_usage_bug+0xc0/0xc0 [ 258.031335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.036889] ? check_preemption_disabled+0x48/0x280 [ 258.041921] ? check_preemption_disabled+0x48/0x280 [ 258.046961] ? __lock_is_held+0xb5/0x140 [ 258.051043] __alloc_pages_nodemask+0xa80/0xde0 [ 258.055729] ? graph_lock+0x170/0x170 [ 258.059555] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 258.064586] ? graph_lock+0x170/0x170 [ 258.068437] ? find_held_lock+0x36/0x1c0 [ 258.072530] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.077227] ? lock_downgrade+0x900/0x900 [ 258.081422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.086995] cache_grow_begin+0x91/0x8c0 [ 258.091087] ? do_raw_spin_unlock+0xa7/0x330 [ 258.095528] fallback_alloc+0x203/0x2e0 [ 258.099533] ____cache_alloc_node+0x1c7/0x1e0 [ 258.104056] kmem_cache_alloc_node+0xe3/0x730 [ 258.108572] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.112899] __alloc_skb+0x119/0x770 [ 258.116634] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.121936] ? skb_scrub_packet+0x490/0x490 [ 258.126279] ? lock_downgrade+0x900/0x900 [ 258.130545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.136101] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.141576] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.147048] ? addrconf_rs_timer+0x690/0x690 [ 258.151624] ndisc_alloc_skb+0x144/0x340 [ 258.155711] ndisc_send_rs+0x331/0x6e0 [ 258.159620] addrconf_rs_timer+0x314/0x690 [ 258.163879] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.168145] call_timer_fn+0x272/0x920 [ 258.172053] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.176651] ? process_timeout+0x40/0x40 [ 258.180729] ? find_held_lock+0x36/0x1c0 [ 258.184816] ? __run_timers+0x7da/0xc70 [ 258.188815] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.193328] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.197841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.202091] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 258.206691] ? trace_hardirqs_on+0xbd/0x310 [ 258.211032] ? kasan_check_read+0x11/0x20 [ 258.215198] ? __run_timers+0x7da/0xc70 [ 258.219196] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.224830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.229086] __run_timers+0x7e5/0xc70 [ 258.232916] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 258.238409] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.242928] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.247453] ? lockdep_hardirqs_on+0x421/0x5c0 [ 258.252167] ? trace_hardirqs_on+0xbd/0x310 [ 258.256658] ? kasan_check_read+0x11/0x20 [ 258.260829] ? finish_task_switch+0x1f4/0x910 [ 258.265346] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.271210] ? compat_start_thread+0x80/0x80 [ 258.275644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.281354] ? _raw_spin_unlock_irq+0x60/0x80 [ 258.285902] ? pvclock_read_flags+0x160/0x160 [ 258.290435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.295994] ? check_preemption_disabled+0x48/0x280 [ 258.301039] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.306332] ? rcu_pm_notify+0xc0/0xc0 [ 258.310240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.315795] ? check_preemption_disabled+0x48/0x280 [ 258.320842] run_timer_softirq+0x52/0xb0 [ 258.324921] ? rcu_read_lock_sched_held+0x108/0x120 [ 258.329954] __do_softirq+0x30c/0xb03 [ 258.333783] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.338900] ? trace_hardirqs_off+0x310/0x310 [ 258.343430] ? trace_hardirqs_on+0x310/0x310 [ 258.347861] ? schedule+0x108/0x460 [ 258.351506] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.356293] ? trace_hardirqs_off+0xb8/0x310 [ 258.360718] ? smpboot_thread_fn+0x68b/0xa00 [ 258.365143] ? trace_hardirqs_on+0x310/0x310 [ 258.369571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.375123] ? check_preemption_disabled+0x48/0x280 [ 258.380161] ? takeover_tasklets+0xa90/0xa90 [ 258.384587] run_ksoftirqd+0x94/0x100 [ 258.388432] smpboot_thread_fn+0x68b/0xa00 [ 258.392687] ? sort_range+0x30/0x30 [ 258.396330] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.401452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.407055] ? __kthread_parkme+0xfb/0x1a0 [ 258.411308] kthread+0x35a/0x420 [ 258.414686] ? sort_range+0x30/0x30 [ 258.418326] ? kthread_bind+0x40/0x40 [ 258.422144] ret_from_fork+0x3a/0x50 [ 258.425896] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 258.425902] warn_alloc_show_mem: 1 callbacks suppressed [ 258.425909] Mem-Info: [ 258.433283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.438662] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 258.438662] active_file:11 inactive_file:12 isolated_file:0 [ 258.438662] unevictable:0 dirty:0 writeback:0 unstable:0 [ 258.438662] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 258.438662] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 258.438662] free:13647 free_pcp:360 free_cma:0 [ 258.441051] Call Trace: [ 258.450473] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 258.483509] [ 258.486094] Node 0 [ 258.513830] dump_stack+0x1c4/0x2b6 [ 258.515996] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 258.518217] ? dump_stack_print_info.cold.1+0x20/0x20 [ 258.521827] lowmem_reserve[]: 0 [ 258.547356] warn_alloc.cold.119+0xb7/0x1bd [ 258.552521] 2819 6323 [ 258.555818] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 258.560132] 6323 [ 258.562637] ? lock_downgrade+0x900/0x900 [ 258.569546] ? trace_hardirqs_off+0xb8/0x310 [ 258.573677] Node 0 DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 258.578123] ? trace_hardirqs_off+0xb8/0x310 [ 258.578145] __alloc_pages_slowpath+0x265e/0x2d70 [ 258.605598] lowmem_reserve[]: [ 258.610097] ? warn_alloc+0x120/0x120 [ 258.614909] 0 [ 258.618024] ? trace_hardirqs_on+0x310/0x310 [ 258.621815] 0 [ 258.624126] ? warn_alloc+0x120/0x120 [ 258.628526] 3503 [ 258.630335] ? print_usage_bug+0xc0/0xc0 [ 258.634174] 3503 [ 258.636255] ? warn_alloc+0x120/0x120 [ 258.640307] Node 0 [ 258.642379] ? ktime_get+0x2e1/0x440 [ 258.646225] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 258.648450] ? print_usage_bug+0xc0/0xc0 [ 258.652156] lowmem_reserve[]: [ 258.680759] ? __lock_acquire+0x7ec/0x4ec0 [ 258.684923] 0 0 [ 258.688048] ? __lock_acquire+0x7ec/0x4ec0 [ 258.692270] 0 [ 258.694254] ? kasan_check_read+0x11/0x20 [ 258.698533] 0 [ 258.700348] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.706300] ? should_fail+0x22d/0xd01 [ 258.711823] Node 0 [ 258.715723] ? rcu_bh_qs+0xc0/0xc0 [ 258.715725] DMA: 1*4kB [ 258.717982] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.721514] (U) [ 258.724108] ? __lock_acquire+0x7ec/0x4ec0 [ 258.729197] 0*8kB 0*16kB [ 258.731193] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.735433] 1*32kB [ 258.738199] ? __lock_acquire+0x7ec/0x4ec0 [ 258.743294] (U) [ 258.745541] ? should_fail+0x22d/0xd01 [ 258.749762] 2*64kB (U) [ 258.751758] ? rcu_idle_enter+0x4b0/0x4b0 [ 258.755634] 1*128kB [ 258.758229] ? mark_held_locks+0x130/0x130 [ 258.762450] (U) 1*256kB [ 258.764791] ? mark_held_locks+0x130/0x130 [ 258.769020] (U) [ 258.771699] ? mark_held_locks+0xc7/0x130 [ 258.775994] 0*512kB [ 258.778066] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 258.782204] 1*1024kB [ 258.784531] ? graph_lock+0x170/0x170 [ 258.789534] (U) [ 258.791950] ? print_usage_bug+0xc0/0xc0 [ 258.795742] 1*2048kB [ 258.797730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.801775] (M) [ 258.804223] ? check_preemption_disabled+0x48/0x280 [ 258.809749] 3*4096kB [ 258.811739] ? check_preemption_disabled+0x48/0x280 [ 258.816744] (M) [ 258.819169] ? __lock_is_held+0xb5/0x140 [ 258.824189] = 15908kB [ 258.826173] __alloc_pages_nodemask+0xa80/0xde0 [ 258.830220] Node 0 [ 258.832637] ? graph_lock+0x170/0x170 [ 258.837295] DMA32: [ 258.839543] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 258.843334] 4*4kB [ 258.845577] ? graph_lock+0x170/0x170 [ 258.850708] (UM) [ 258.852880] ? find_held_lock+0x36/0x1c0 [ 258.856752] 2*8kB [ 258.858828] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.862874] (UM) [ 258.865035] ? lock_downgrade+0x900/0x900 [ 258.869692] 2*16kB [ 258.871772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.875902] (M) [ 258.878148] cache_grow_begin+0x91/0x8c0 [ 258.883675] 3*32kB [ 258.885667] ? do_raw_spin_unlock+0xa7/0x330 [ 258.889722] (UM) [ 258.891969] fallback_alloc+0x203/0x2e0 [ 258.896364] 4*64kB [ 258.898463] ____cache_alloc_node+0x1c7/0x1e0 [ 258.902498] (M) [ 258.904751] kmem_cache_alloc_node+0xe3/0x730 [ 258.909233] 4*128kB [ 258.911218] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.915705] (UM) [ 258.918045] __alloc_skb+0x119/0x770 [ 258.922307] 3*256kB (M) [ 258.924416] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.928115] 3*512kB [ 258.930793] ? skb_scrub_packet+0x490/0x490 [ 258.936057] (M) [ 258.938412] ? lock_downgrade+0x900/0x900 [ 258.942727] 3*1024kB [ 258.944721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.948846] (UM) [ 258.951265] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.956788] 3*2048kB [ 258.958867] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.964306] (M) [ 258.966731] ? addrconf_rs_timer+0x690/0x690 [ 258.972168] 3*4096kB [ 258.974155] ndisc_alloc_skb+0x144/0x340 [ 258.978544] (M) [ 258.980963] ndisc_send_rs+0x331/0x6e0 [ 258.985009] = 24736kB [ 258.986990] addrconf_rs_timer+0x314/0x690 [ 258.990950] Node 0 [ 258.993368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.997588] Normal: [ 258.999841] call_timer_fn+0x272/0x920 [ 259.004056] 592*4kB [ 259.006409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.010284] (UMEH) [ 259.012624] ? process_timeout+0x40/0x40 [ 259.016846] 405*8kB [ 259.019092] ? find_held_lock+0x36/0x1c0 [ 259.023143] (UMEH) [ 259.025478] ? __run_timers+0x7da/0xc70 [ 259.029526] 177*16kB [ 259.031773] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.035733] (UME) [ 259.038155] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.042637] 103*32kB [ 259.044791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.049267] (UMH) 15*64kB [ 259.051756] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 259.055983] (UMH) [ 259.059036] ? trace_hardirqs_on+0xbd/0x310 [ 259.063609] 0*128kB [ 259.065767] ? kasan_check_read+0x11/0x20 [ 259.070075] 1*256kB [ 259.072426] ? __run_timers+0x7da/0xc70 [ 259.076566] (H) [ 259.078901] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.082863] 0*512kB [ 259.084846] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.090284] 1*1024kB [ 259.092620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.096844] (H) [ 259.099264] __run_timers+0x7e5/0xc70 [ 259.103486] 0*2048kB [ 259.105479] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 259.109374] 0*4096kB [ 259.111814] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 259.117159] = 13976kB [ 259.117173] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 259.119585] ? graph_lock+0x170/0x170 [ 259.124600] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 259.127009] ? enqueue_hrtimer+0x1a5/0x560 [ 259.135834] 1241 total pagecache pages [ 259.139646] ? lock_release+0x970/0x970 [ 259.148226] 0 pages in swap cache [ 259.152459] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 259.156343] Swap cache stats: add 0, delete 0, find 0/0 [ 259.160321] ? find_held_lock+0x36/0x1c0 [ 259.163760] Free swap = 0kB [ 259.168956] ? graph_lock+0x170/0x170 [ 259.174309] Total swap = 0kB [ 259.178374] ? pvclock_read_flags+0x160/0x160 [ 259.181420] 1965979 pages RAM [ 259.185235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.188237] 0 pages HighMem/MovableOnly [ 259.188246] 342306 pages reserved [ 259.192883] ? check_preemption_disabled+0x48/0x280 [ 259.195976] 0 pages cma reserved [ 259.201526] ? __lock_is_held+0xb5/0x140 [ 259.205575] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.208946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.208962] ? check_preemption_disabled+0x48/0x280 [ 259.208985] run_timer_softirq+0x52/0xb0 [ 259.214049] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.217369] ? rcu_read_lock_sched_held+0x108/0x120 [ 259.221436] ksoftirqd/1 cpuset= [ 259.227936] __do_softirq+0x30c/0xb03 [ 259.233460] / [ 259.238491] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 259.242630] mems_allowed=0 [ 259.252948] ? pvclock_read_flags+0x160/0x160 [ 259.279284] ? lapic_next_event+0x5a/0x90 [ 259.283528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.289087] ? check_preemption_disabled+0x48/0x280 [ 259.294119] ? check_preemption_disabled+0x48/0x280 [ 259.299155] ? kvm_clock_read+0x18/0x30 [ 259.303231] ? kvm_sched_clock_read+0x9/0x20 [ 259.307657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.313212] ? check_preemption_disabled+0x48/0x280 [ 259.318261] irq_exit+0x17f/0x1c0 [ 259.321740] smp_apic_timer_interrupt+0x1cb/0x760 [ 259.326601] ? smp_reschedule_interrupt+0x109/0x650 [ 259.331640] ? smp_call_function_single_interrupt+0x650/0x650 [ 259.337543] ? interrupt_entry+0xb5/0xf0 [ 259.341679] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.346718] ? trace_hardirqs_off_caller+0xbb/0x310 [ 259.351756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.356618] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.361645] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.366677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.372232] ? check_preemption_disabled+0x48/0x280 [ 259.377328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.382891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.387756] apic_timer_interrupt+0xf/0x20 [ 259.392001] [ 259.394254] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 259.399196] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 259.418124] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 259.425858] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 259.433144] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 259.440495] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 259.447777] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 259.455081] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 259.462431] skb_clone+0x1bb/0x500 [ 259.465988] ? skb_split+0x11e0/0x11e0 [ 259.469891] ? check_preemption_disabled+0x48/0x280 [ 259.475114] ? __this_cpu_preempt_check+0x1c/0x20 [ 259.479977] ? __bpf_redirect+0x54b/0xb20 [ 259.484151] bpf_clone_redirect+0xb9/0x490 [ 259.488430] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 259.493468] ? __sched_text_start+0x8/0x8 [ 259.497645] ? find_held_lock+0x36/0x1c0 [ 259.501731] ? lock_acquire+0x1ed/0x520 [ 259.505727] ? bpf_test_run+0x3cb/0x780 [ 259.509736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.515296] ? check_preemption_disabled+0x48/0x280 [ 259.520336] ? kasan_check_read+0x11/0x20 [ 259.524509] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.529808] ? rcu_bh_qs+0xc0/0xc0 [ 259.533368] ? preempt_schedule+0x4d/0x60 [ 259.537556] ? ___preempt_schedule+0x16/0x18 [ 259.542136] ? bpf_test_run+0x25d/0x780 [ 259.546191] ? netlink_diag_dump+0x2a0/0x2a0 [ 259.550679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.556237] ? bpf_test_init.isra.10+0x70/0x100 [ 259.560927] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 259.565710] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 259.570576] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 259.576133] ? fput+0x130/0x1a0 [ 259.579451] ? __bpf_prog_get+0x9b/0x290 [ 259.583530] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 259.588410] ? bpf_prog_test_run+0x130/0x1a0 [ 259.592840] ? __x64_sys_bpf+0x3d8/0x520 [ 259.596915] ? bpf_prog_get+0x20/0x20 [ 259.600773] ? do_syscall_64+0x1b9/0x820 [ 259.604848] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 259.610229] ? syscall_return_slowpath+0x5e0/0x5e0 [ 259.615178] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.620210] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 259.625240] ? recalc_sigpending_tsk+0x180/0x180 [ 259.630011] ? kasan_check_write+0x14/0x20 [ 259.634267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.639134] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 259.644535] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 259.644608] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 259.651482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.651488] Call Trace: [ 259.651509] dump_stack+0x1c4/0x2b6 [ 259.651528] ? dump_stack_print_info.cold.1+0x20/0x20 [ 259.651555] warn_alloc.cold.119+0xb7/0x1bd [ 259.658126] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 259.667422] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.669998] syz-executor0 cpuset= [ 259.673635] ? lock_downgrade+0x900/0x900 [ 259.678811] syz0 [ 259.683142] ? trace_hardirqs_off+0xb8/0x310 [ 259.693613] mems_allowed=0 [ 259.698462] ? trace_hardirqs_off+0xb8/0x310 [ 259.719821] __alloc_pages_slowpath+0x265e/0x2d70 [ 259.724721] ? warn_alloc+0x120/0x120 [ 259.728549] ? warn_alloc+0x120/0x120 [ 259.732371] ? print_usage_bug+0xc0/0xc0 [ 259.736476] ? warn_alloc+0x120/0x120 [ 259.740296] ? print_usage_bug+0xc0/0xc0 [ 259.744374] ? __lock_acquire+0x7ec/0x4ec0 [ 259.748649] ? __lock_acquire+0x7ec/0x4ec0 [ 259.752955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.759024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.764578] ? should_fail+0x22d/0xd01 [ 259.768486] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.773606] ? __lock_acquire+0x7ec/0x4ec0 [ 259.777861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.782979] ? __lock_acquire+0x7ec/0x4ec0 [ 259.787234] ? should_fail+0x22d/0xd01 [ 259.791147] ? mark_held_locks+0x130/0x130 [ 259.795423] ? mark_held_locks+0x130/0x130 [ 259.799682] ? graph_lock+0x170/0x170 [ 259.803498] ? print_usage_bug+0xc0/0xc0 [ 259.807574] ? graph_lock+0x170/0x170 [ 259.811413] ? print_usage_bug+0xc0/0xc0 [ 259.815491] ? wq_watchdog_touch+0x9c/0xfe [ 259.819738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.825429] ? check_preemption_disabled+0x48/0x280 [ 259.830464] ? check_preemption_disabled+0x48/0x280 [ 259.835511] ? __lock_is_held+0xb5/0x140 [ 259.839598] __alloc_pages_nodemask+0xa80/0xde0 [ 259.844299] ? graph_lock+0x170/0x170 [ 259.848122] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 259.853153] ? graph_lock+0x170/0x170 [ 259.856979] ? find_held_lock+0x36/0x1c0 [ 259.861065] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.865752] ? lock_downgrade+0x900/0x900 [ 259.869924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.875484] cache_grow_begin+0x91/0x8c0 [ 259.879563] ? do_raw_spin_unlock+0xa7/0x330 [ 259.883994] fallback_alloc+0x203/0x2e0 [ 259.887994] ____cache_alloc_node+0x1c7/0x1e0 [ 259.892513] kmem_cache_alloc_node+0xe3/0x730 [ 259.897028] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.901292] __alloc_skb+0x119/0x770 [ 259.905022] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 259.910320] ? skb_scrub_packet+0x490/0x490 [ 259.914658] ? lock_downgrade+0x900/0x900 [ 259.918836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.924419] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.929892] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.935359] ? addrconf_rs_timer+0x690/0x690 [ 259.939818] ndisc_alloc_skb+0x144/0x340 [ 259.943960] ndisc_send_rs+0x331/0x6e0 [ 259.947874] addrconf_rs_timer+0x314/0x690 [ 259.952132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.956422] call_timer_fn+0x272/0x920 [ 259.960325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.964581] ? process_timeout+0x40/0x40 [ 259.968667] ? find_held_lock+0x36/0x1c0 [ 259.972765] ? __run_timers+0x7da/0xc70 [ 259.976790] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.981306] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.985816] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.990078] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 259.994678] ? trace_hardirqs_on+0xbd/0x310 [ 259.999016] ? kasan_check_read+0x11/0x20 [ 260.003273] ? __run_timers+0x7da/0xc70 [ 260.007267] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.012763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.017026] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.021286] __run_timers+0x7e5/0xc70 [ 260.025119] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 260.030508] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.035025] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.039538] ? lockdep_hardirqs_on+0x421/0x5c0 [ 260.044138] ? trace_hardirqs_on+0xbd/0x310 [ 260.048483] ? kasan_check_read+0x11/0x20 [ 260.052654] ? finish_task_switch+0x1f4/0x910 [ 260.057173] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.062644] ? compat_start_thread+0x80/0x80 [ 260.067105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.072668] ? _raw_spin_unlock_irq+0x60/0x80 [ 260.077189] ? pvclock_read_flags+0x160/0x160 [ 260.081705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.087266] ? check_preemption_disabled+0x48/0x280 [ 260.092313] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.097607] ? rcu_pm_notify+0xc0/0xc0 [ 260.101509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.107067] ? check_preemption_disabled+0x48/0x280 [ 260.112109] run_timer_softirq+0x52/0xb0 [ 260.116186] ? rcu_read_lock_sched_held+0x108/0x120 [ 260.121232] __do_softirq+0x30c/0xb03 [ 260.125060] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 260.130175] ? trace_hardirqs_off+0x310/0x310 [ 260.134687] ? trace_hardirqs_on+0x310/0x310 [ 260.139124] ? schedule+0x108/0x460 [ 260.142764] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 260.147549] ? trace_hardirqs_off+0xb8/0x310 [ 260.151976] ? smpboot_thread_fn+0x68b/0xa00 [ 260.156423] ? trace_hardirqs_on+0x310/0x310 [ 260.160849] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.166427] ? check_preemption_disabled+0x48/0x280 [ 260.171475] ? takeover_tasklets+0xa90/0xa90 [ 260.175902] run_ksoftirqd+0x94/0x100 [ 260.179719] smpboot_thread_fn+0x68b/0xa00 [ 260.183971] ? sort_range+0x30/0x30 [ 260.187617] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 260.192740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.198298] ? __kthread_parkme+0xfb/0x1a0 [ 260.202554] kthread+0x35a/0x420 [ 260.205933] ? sort_range+0x30/0x30 [ 260.209576] ? kthread_bind+0x40/0x40 [ 260.213420] ret_from_fork+0x3a/0x50 [ 260.217164] warn_alloc_show_mem: 1 callbacks suppressed [ 260.217177] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 260.217179] Mem-Info: [ 260.217210] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 260.217210] active_file:11 inactive_file:12 isolated_file:0 [ 260.217210] unevictable:0 dirty:0 writeback:0 unstable:0 [ 260.217210] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 260.217210] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 260.217210] free:13647 free_pcp:360 free_cma:0 [ 260.222560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.222569] Call Trace: [ 260.229951] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 260.232368] [ 260.265444] Node 0 [ 260.274902] dump_stack+0x1c4/0x2b6 [ 260.277502] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 260.305163] ? dump_stack_print_info.cold.1+0x20/0x20 [ 260.307305] lowmem_reserve[]: [ 260.309563] warn_alloc.cold.119+0xb7/0x1bd [ 260.313174] 0 [ 260.338692] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.343871] 2819 [ 260.346987] ? lock_downgrade+0x900/0x900 [ 260.351293] 6323 6323 [ 260.353115] ? trace_hardirqs_off+0xb8/0x310 [ 260.357947] Node 0 [ 260.360019] ? trace_hardirqs_off+0xb8/0x310 [ 260.364247] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 260.366736] __alloc_pages_slowpath+0x265e/0x2d70 [ 260.371118] lowmem_reserve[]: 0 [ 260.373420] ? warn_alloc+0x120/0x120 [ 260.377795] 0 [ 260.404522] ? trace_hardirqs_on+0x310/0x310 [ 260.409415] 3503 3503 [ 260.412724] ? warn_alloc+0x120/0x120 [ 260.418322] ? print_usage_bug+0xc0/0xc0 [ 260.422722] Node 0 [ 260.425238] ? warn_alloc+0x120/0x120 [ 260.429057] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 260.433102] ? ktime_get+0x2e1/0x440 [ 260.435328] lowmem_reserve[]: [ 260.439135] ? print_usage_bug+0xc0/0xc0 [ 260.467621] 0 0 [ 260.471353] ? __lock_acquire+0x7ec/0x4ec0 [ 260.474449] 0 [ 260.478519] ? __lock_acquire+0x7ec/0x4ec0 [ 260.480484] 0 [ 260.484737] ? kasan_check_read+0x11/0x20 [ 260.490776] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.492566] Node 0 [ 260.496729] ? should_fail+0x22d/0xd01 [ 260.502246] DMA: [ 260.504495] ? rcu_bh_qs+0xc0/0xc0 [ 260.508370] 1*4kB [ 260.510491] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.514017] (U) [ 260.516174] ? __lock_acquire+0x7ec/0x4ec0 [ 260.521268] 0*8kB [ 260.523252] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.527478] 0*16kB [ 260.529633] ? __lock_acquire+0x7ec/0x4ec0 [ 260.534719] 1*32kB (U) [ 260.536976] ? should_fail+0x22d/0xd01 [ 260.541202] 2*64kB [ 260.543795] ? rcu_idle_enter+0x4b0/0x4b0 [ 260.547668] (U) [ 260.549918] ? mark_held_locks+0x130/0x130 [ 260.554069] 1*128kB [ 260.556054] ? mark_held_locks+0x130/0x130 [ 260.560278] (U) [ 260.562668] ? mark_held_locks+0xc7/0x130 [ 260.566898] 1*256kB [ 260.568880] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 260.573014] (U) [ 260.575353] ? graph_lock+0x170/0x170 [ 260.580360] 0*512kB [ 260.582347] ? print_usage_bug+0xc0/0xc0 [ 260.586135] 1*1024kB [ 260.588466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.592513] (U) [ 260.594938] ? check_preemption_disabled+0x48/0x280 [ 260.600455] 1*2048kB (M) [ 260.602450] ? check_preemption_disabled+0x48/0x280 [ 260.607450] 3*4096kB (M) [ 260.610228] ? __lock_is_held+0xb5/0x140 [ 260.615234] = 15908kB [ 260.618003] __alloc_pages_nodemask+0xa80/0xde0 [ 260.622053] Node 0 [ 260.624993] ? graph_lock+0x170/0x170 [ 260.629652] DMA32: [ 260.631902] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 260.635691] 4*4kB [ 260.637931] ? graph_lock+0x170/0x170 [ 260.642940] (UM) [ 260.645196] ? find_held_lock+0x36/0x1c0 [ 260.648980] 2*8kB [ 260.651059] ? ____cache_alloc_node+0x1c7/0x1e0 [ 260.655100] (UM) 2*16kB [ 260.657270] ? lock_downgrade+0x900/0x900 [ 260.661936] (M) [ 260.664627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.668760] 3*32kB [ 260.670752] cache_grow_begin+0x91/0x8c0 [ 260.676274] (UM) [ 260.678523] ? do_raw_spin_unlock+0xa7/0x330 [ 260.682569] 4*64kB (M) [ 260.684653] fallback_alloc+0x203/0x2e0 [ 260.689052] 4*128kB [ 260.691649] ____cache_alloc_node+0x1c7/0x1e0 [ 260.695606] (UM) [ 260.697938] kmem_cache_alloc_node+0xe3/0x730 [ 260.702437] 3*256kB (M) [ 260.704520] ? ipv6_get_ifaddr+0x42e/0x620 [ 260.709004] 3*512kB [ 260.711690] __alloc_skb+0x119/0x770 [ 260.715910] (M) [ 260.718244] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.721937] 3*1024kB (UM) [ 260.723937] ? skb_scrub_packet+0x490/0x490 [ 260.729371] 3*2048kB (M) [ 260.732263] ? lock_downgrade+0x900/0x900 [ 260.736565] 3*4096kB (M) [ 260.739353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.743487] = 24736kB [ 260.746256] ? refcount_sub_and_test_checked+0x203/0x310 [ 260.751778] Node 0 [ 260.754201] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 260.759639] Normal: [ 260.761887] ? addrconf_rs_timer+0x690/0x690 [ 260.767326] 592*4kB [ 260.769663] ndisc_alloc_skb+0x144/0x340 [ 260.774050] (UMEH) [ 260.776385] ndisc_send_rs+0x331/0x6e0 [ 260.780563] 405*8kB (UMEH) [ 260.782819] addrconf_rs_timer+0x314/0x690 [ 260.786689] 177*16kB (UME) [ 260.789644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.793869] 103*32kB [ 260.796824] call_timer_fn+0x272/0x920 [ 260.801035] (UMH) 15*64kB [ 260.803463] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.807342] (UMH) [ 260.810194] ? process_timeout+0x40/0x40 [ 260.814530] 0*128kB [ 260.816689] ? find_held_lock+0x36/0x1c0 [ 260.820792] 1*256kB [ 260.823131] ? __run_timers+0x7da/0xc70 [ 260.827176] (H) [ 260.829508] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.833466] 0*512kB 1*1024kB [ 260.835460] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.839946] (H) [ 260.843061] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.843079] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 260.847582] 0*2048kB [ 260.849567] ? trace_hardirqs_on+0xbd/0x310 [ 260.853782] 0*4096kB = 13976kB [ 260.858382] ? kasan_check_read+0x11/0x20 [ 260.860827] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 260.865154] ? __run_timers+0x7da/0xc70 [ 260.868337] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 260.872491] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.881313] 1241 total pagecache pages [ 260.885292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.893860] 0 pages in swap cache [ 260.899312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.903195] Swap cache stats: add 0, delete 0, find 0/0 [ 260.907455] __run_timers+0x7e5/0xc70 [ 260.910898] Free swap = 0kB [ 260.915148] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 260.920488] Total swap = 0kB [ 260.920496] 1965979 pages RAM [ 260.924308] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 260.927311] 0 pages HighMem/MovableOnly [ 260.927320] 342306 pages reserved [ 260.932696] ? graph_lock+0x170/0x170 [ 260.935702] 0 pages cma reserved [ 260.938824] ? enqueue_hrtimer+0x1a5/0x560 [ 260.943899] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.947807] ? lock_release+0x970/0x970 [ 260.947824] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 260.947844] ? find_held_lock+0x36/0x1c0 [ 260.951350] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.955098] ? graph_lock+0x170/0x170 [ 260.958460] ksoftirqd/1 cpuset= [ 260.962704] ? pvclock_read_flags+0x160/0x160 [ 260.969188] / [ 260.973169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.978349] mems_allowed=0 [ 260.982434] ? check_preemption_disabled+0x48/0x280 [ 261.019516] ? __lock_is_held+0xb5/0x140 [ 261.023599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.029155] ? check_preemption_disabled+0x48/0x280 [ 261.034196] run_timer_softirq+0x52/0xb0 [ 261.038273] ? rcu_read_lock_sched_held+0x108/0x120 [ 261.043309] __do_softirq+0x30c/0xb03 [ 261.047134] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 261.052260] ? pvclock_read_flags+0x160/0x160 [ 261.056771] ? lapic_next_event+0x5a/0x90 [ 261.060934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.066500] ? check_preemption_disabled+0x48/0x280 [ 261.071532] ? check_preemption_disabled+0x48/0x280 [ 261.076574] ? kvm_clock_read+0x18/0x30 [ 261.080567] ? kvm_sched_clock_read+0x9/0x20 [ 261.084996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.090554] ? check_preemption_disabled+0x48/0x280 [ 261.095597] irq_exit+0x17f/0x1c0 [ 261.099066] smp_apic_timer_interrupt+0x1cb/0x760 [ 261.103919] ? smp_reschedule_interrupt+0x109/0x650 [ 261.108952] ? smp_call_function_single_interrupt+0x650/0x650 [ 261.114853] ? interrupt_entry+0xb5/0xf0 [ 261.118930] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.123963] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.128993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.133850] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.138880] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.143915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.149470] ? check_preemption_disabled+0x48/0x280 [ 261.154499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.160057] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.164921] apic_timer_interrupt+0xf/0x20 [ 261.169161] [ 261.171437] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 261.176384] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 261.195320] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 261.203043] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 261.210323] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 261.217603] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 261.224887] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 261.232172] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 261.239495] skb_clone+0x1bb/0x500 [ 261.243056] ? skb_split+0x11e0/0x11e0 [ 261.246957] ? check_preemption_disabled+0x48/0x280 [ 261.251992] ? __this_cpu_preempt_check+0x1c/0x20 [ 261.256848] ? __bpf_redirect+0x54b/0xb20 [ 261.261022] bpf_clone_redirect+0xb9/0x490 [ 261.265283] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 261.270320] ? __sched_text_start+0x8/0x8 [ 261.274496] ? find_held_lock+0x36/0x1c0 [ 261.278577] ? lock_acquire+0x1ed/0x520 [ 261.282570] ? bpf_test_run+0x3cb/0x780 [ 261.286637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.292249] ? check_preemption_disabled+0x48/0x280 [ 261.297288] ? kasan_check_read+0x11/0x20 [ 261.301459] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.306755] ? rcu_bh_qs+0xc0/0xc0 [ 261.310310] ? preempt_schedule+0x4d/0x60 [ 261.314473] ? ___preempt_schedule+0x16/0x18 [ 261.318903] ? bpf_test_run+0x25d/0x780 [ 261.322903] ? netlink_diag_dump+0x2a0/0x2a0 [ 261.327330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.332882] ? bpf_test_init.isra.10+0x70/0x100 [ 261.337575] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 261.342357] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 261.347235] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 261.352803] ? fput+0x130/0x1a0 [ 261.356103] ? __bpf_prog_get+0x9b/0x290 [ 261.360181] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 261.365036] ? bpf_prog_test_run+0x130/0x1a0 [ 261.369466] ? __x64_sys_bpf+0x3d8/0x520 [ 261.373541] ? bpf_prog_get+0x20/0x20 [ 261.377374] ? do_syscall_64+0x1b9/0x820 [ 261.381480] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 261.386860] ? syscall_return_slowpath+0x5e0/0x5e0 [ 261.391807] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.396947] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 261.401978] ? recalc_sigpending_tsk+0x180/0x180 [ 261.406758] ? kasan_check_write+0x14/0x20 [ 261.411015] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.415938] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 261.421342] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 261.421435] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.428281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.428286] Call Trace: [ 261.428306] dump_stack+0x1c4/0x2b6 [ 261.428324] ? dump_stack_print_info.cold.1+0x20/0x20 [ 261.428350] warn_alloc.cold.119+0xb7/0x1bd [ 261.434879] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.444193] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.446767] syz-executor0 cpuset= [ 261.450423] ? lock_downgrade+0x900/0x900 [ 261.455600] syz0 [ 261.459937] ? trace_hardirqs_off+0xb8/0x310 [ 261.470434] mems_allowed=0 [ 261.475281] ? trace_hardirqs_off+0xb8/0x310 [ 261.496594] __alloc_pages_slowpath+0x265e/0x2d70 [ 261.501494] ? warn_alloc+0x120/0x120 [ 261.505314] ? warn_alloc+0x120/0x120 [ 261.509130] ? print_usage_bug+0xc0/0xc0 [ 261.513206] ? warn_alloc+0x120/0x120 [ 261.517031] ? print_usage_bug+0xc0/0xc0 [ 261.521108] ? __lock_acquire+0x7ec/0x4ec0 [ 261.525358] ? __lock_acquire+0x7ec/0x4ec0 [ 261.529630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.535180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.540732] ? should_fail+0x22d/0xd01 [ 261.544644] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.549769] ? __lock_acquire+0x7ec/0x4ec0 [ 261.554027] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.559143] ? __lock_acquire+0x7ec/0x4ec0 [ 261.563416] ? should_fail+0x22d/0xd01 [ 261.567330] ? mark_held_locks+0x130/0x130 [ 261.571583] ? mark_held_locks+0x130/0x130 [ 261.575836] ? graph_lock+0x170/0x170 [ 261.579653] ? print_usage_bug+0xc0/0xc0 [ 261.583732] ? graph_lock+0x170/0x170 [ 261.587547] ? print_usage_bug+0xc0/0xc0 [ 261.591625] ? wq_watchdog_touch+0x9c/0xfe [ 261.595875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.601446] ? check_preemption_disabled+0x48/0x280 [ 261.606482] ? check_preemption_disabled+0x48/0x280 [ 261.611544] ? __lock_is_held+0xb5/0x140 [ 261.615629] __alloc_pages_nodemask+0xa80/0xde0 [ 261.620318] ? graph_lock+0x170/0x170 [ 261.624137] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 261.629168] ? graph_lock+0x170/0x170 [ 261.632998] ? find_held_lock+0x36/0x1c0 [ 261.637083] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.641768] ? lock_downgrade+0x900/0x900 [ 261.645938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.651497] cache_grow_begin+0x91/0x8c0 [ 261.655581] ? do_raw_spin_unlock+0xa7/0x330 [ 261.660015] fallback_alloc+0x203/0x2e0 [ 261.664085] ____cache_alloc_node+0x1c7/0x1e0 [ 261.668605] kmem_cache_alloc_node+0xe3/0x730 [ 261.673118] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.677382] __alloc_skb+0x119/0x770 [ 261.681142] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.686454] ? skb_scrub_packet+0x490/0x490 [ 261.690789] ? lock_downgrade+0x900/0x900 [ 261.694962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.700515] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.705987] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.711484] ? addrconf_rs_timer+0x690/0x690 [ 261.715943] ndisc_alloc_skb+0x144/0x340 [ 261.720031] ndisc_send_rs+0x331/0x6e0 [ 261.723959] addrconf_rs_timer+0x314/0x690 [ 261.728222] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.732501] call_timer_fn+0x272/0x920 [ 261.736427] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.740687] ? process_timeout+0x40/0x40 [ 261.744765] ? find_held_lock+0x36/0x1c0 [ 261.748852] ? __run_timers+0x7da/0xc70 [ 261.752848] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.757887] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.762424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.766678] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 261.771280] ? trace_hardirqs_on+0xbd/0x310 [ 261.775622] ? kasan_check_read+0x11/0x20 [ 261.779786] ? __run_timers+0x7da/0xc70 [ 261.783777] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.789251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.793506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.797760] __run_timers+0x7e5/0xc70 [ 261.801593] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 261.806976] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.811489] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.816000] ? lockdep_hardirqs_on+0x421/0x5c0 [ 261.820598] ? trace_hardirqs_on+0xbd/0x310 [ 261.824986] ? kasan_check_read+0x11/0x20 [ 261.829155] ? finish_task_switch+0x1f4/0x910 [ 261.833667] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.839131] ? compat_start_thread+0x80/0x80 [ 261.843558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.849118] ? _raw_spin_unlock_irq+0x60/0x80 [ 261.853633] ? pvclock_read_flags+0x160/0x160 [ 261.858146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.863707] ? check_preemption_disabled+0x48/0x280 [ 261.868752] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.874051] ? rcu_pm_notify+0xc0/0xc0 [ 261.877957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.883514] ? check_preemption_disabled+0x48/0x280 [ 261.888557] run_timer_softirq+0x52/0xb0 [ 261.892637] ? rcu_read_lock_sched_held+0x108/0x120 [ 261.897668] __do_softirq+0x30c/0xb03 [ 261.901499] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 261.906616] ? trace_hardirqs_off+0x310/0x310 [ 261.911124] ? trace_hardirqs_on+0x310/0x310 [ 261.915554] ? schedule+0x108/0x460 [ 261.919205] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.923988] ? trace_hardirqs_off+0xb8/0x310 [ 261.928430] ? smpboot_thread_fn+0x68b/0xa00 [ 261.932856] ? trace_hardirqs_on+0x310/0x310 [ 261.937283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.942837] ? check_preemption_disabled+0x48/0x280 [ 261.947870] ? takeover_tasklets+0xa90/0xa90 [ 261.952300] run_ksoftirqd+0x94/0x100 [ 261.956115] smpboot_thread_fn+0x68b/0xa00 [ 261.960551] ? sort_range+0x30/0x30 [ 261.964200] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.969321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.974873] ? __kthread_parkme+0xfb/0x1a0 [ 261.979133] kthread+0x35a/0x420 [ 261.982515] ? sort_range+0x30/0x30 [ 261.986154] ? kthread_bind+0x40/0x40 [ 261.989977] ret_from_fork+0x3a/0x50 [ 261.993721] warn_alloc_show_mem: 1 callbacks suppressed [ 261.993734] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 261.993736] Mem-Info: [ 261.993767] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 261.993767] active_file:11 inactive_file:12 isolated_file:0 [ 261.993767] unevictable:0 dirty:0 writeback:0 unstable:0 [ 261.993767] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 261.993767] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 261.993767] free:13647 free_pcp:360 free_cma:0 [ 261.999113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.999122] Call Trace: [ 262.006504] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 262.008920] [ 262.042033] Node 0 [ 262.051431] dump_stack+0x1c4/0x2b6 [ 262.054028] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 262.081681] ? dump_stack_print_info.cold.1+0x20/0x20 [ 262.083826] lowmem_reserve[]: [ 262.086081] warn_alloc.cold.119+0xb7/0x1bd [ 262.089688] 0 [ 262.115199] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.120377] 2819 [ 262.123515] ? lock_downgrade+0x900/0x900 [ 262.127826] 6323 [ 262.129638] ? trace_hardirqs_off+0xb8/0x310 [ 262.134470] 6323 [ 262.136544] ? trace_hardirqs_off+0xb8/0x310 [ 262.142755] __alloc_pages_slowpath+0x265e/0x2d70 [ 262.147152] Node 0 [ 262.149298] ? warn_alloc+0x120/0x120 [ 262.153695] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 262.158523] ? warn_alloc+0x120/0x120 [ 262.160746] lowmem_reserve[]: [ 262.164554] ? print_usage_bug+0xc0/0xc0 [ 262.191260] 0 0 [ 262.195096] ? warn_alloc+0x120/0x120 [ 262.198189] 3503 [ 262.202280] ? print_usage_bug+0xc0/0xc0 [ 262.204247] 3503 [ 262.208052] ? __lock_acquire+0x7ec/0x4ec0 [ 262.214168] ? __lock_acquire+0x7ec/0x4ec0 [ 262.216223] Node 0 [ 262.220466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.224715] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 262.226934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.232452] lowmem_reserve[]: 0 [ 262.260925] ? should_fail+0x22d/0xd01 [ 262.266461] 0 [ 262.269755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.273640] 0 [ 262.275452] ? __lock_acquire+0x7ec/0x4ec0 [ 262.280538] 0 [ 262.282358] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.286580] Node 0 [ 262.288413] ? __lock_acquire+0x7ec/0x4ec0 [ 262.293501] DMA: [ 262.295749] ? should_fail+0x22d/0xd01 [ 262.299975] 1*4kB [ 262.302051] ? mark_held_locks+0x130/0x130 [ 262.305922] (U) [ 262.308084] ? mark_held_locks+0x130/0x130 [ 262.312304] 0*8kB 0*16kB [ 262.314297] ? graph_lock+0x170/0x170 [ 262.318528] 1*32kB [ 262.321294] ? print_usage_bug+0xc0/0xc0 [ 262.325083] (U) [ 262.327324] ? graph_lock+0x170/0x170 [ 262.331377] 2*64kB [ 262.333384] ? print_usage_bug+0xc0/0xc0 [ 262.337198] (U) [ 262.339450] ? wq_watchdog_touch+0x9c/0xfe [ 262.343499] 1*128kB [ 262.345481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.349708] (U) [ 262.352042] ? check_preemption_disabled+0x48/0x280 [ 262.357656] 1*256kB [ 262.359640] ? check_preemption_disabled+0x48/0x280 [ 262.364642] (U) [ 262.366982] ? __lock_is_held+0xb5/0x140 [ 262.371982] 0*512kB [ 262.373971] __alloc_pages_nodemask+0xa80/0xde0 [ 262.378021] 1*1024kB [ 262.380354] ? graph_lock+0x170/0x170 [ 262.385003] (U) 1*2048kB [ 262.387449] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 262.391240] (M) [ 262.394006] ? graph_lock+0x170/0x170 [ 262.399017] 3*4096kB [ 262.401007] ? find_held_lock+0x36/0x1c0 [ 262.404791] (M) [ 262.407215] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.411266] = 15908kB [ 262.413247] ? lock_downgrade+0x900/0x900 [ 262.417903] Node 0 [ 262.420326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.424459] DMA32: [ 262.426705] cache_grow_begin+0x91/0x8c0 [ 262.432313] 4*4kB [ 262.434564] ? do_raw_spin_unlock+0xa7/0x330 [ 262.438609] (UM) [ 262.440772] fallback_alloc+0x203/0x2e0 [ 262.445160] 2*8kB (UM) [ 262.447242] ____cache_alloc_node+0x1c7/0x1e0 [ 262.451204] 2*16kB [ 262.453801] kmem_cache_alloc_node+0xe3/0x730 [ 262.458285] (M) [ 262.460532] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.465015] 3*32kB [ 262.467001] __alloc_skb+0x119/0x770 [ 262.471222] (UM) [ 262.473468] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.477170] 4*64kB [ 262.479243] ? skb_scrub_packet+0x490/0x490 [ 262.484501] (M) 4*128kB [ 262.486755] ? lock_downgrade+0x900/0x900 [ 262.491062] (UM) [ 262.493747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.497879] 3*256kB (M) [ 262.499960] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.505483] 3*512kB [ 262.508336] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.513777] (M) [ 262.516112] ? addrconf_rs_timer+0x690/0x690 [ 262.521550] 3*1024kB [ 262.523547] ndisc_alloc_skb+0x144/0x340 [ 262.527938] (UM) [ 262.530359] ndisc_send_rs+0x331/0x6e0 [ 262.534434] 3*2048kB (M) [ 262.536520] addrconf_rs_timer+0x314/0x690 [ 262.540386] 3*4096kB (M) [ 262.543188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.547429] = 24736kB [ 262.550204] call_timer_fn+0x272/0x920 [ 262.554437] Node 0 [ 262.556852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.560790] Normal: [ 262.563091] ? process_timeout+0x40/0x40 [ 262.567317] 592*4kB [ 262.569647] ? find_held_lock+0x36/0x1c0 [ 262.573694] (UMEH) [ 262.576033] ? __run_timers+0x7da/0xc70 [ 262.580074] 405*8kB (UMEH) [ 262.582335] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.586299] 177*16kB [ 262.589236] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.589252] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.593738] (UME) [ 262.596160] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 262.600640] 103*32kB [ 262.604881] ? trace_hardirqs_on+0xbd/0x310 [ 262.607022] (UMH) [ 262.611611] ? kasan_check_read+0x11/0x20 [ 262.614013] 15*64kB [ 262.618346] ? __run_timers+0x7da/0xc70 [ 262.620483] (UMH) [ 262.625168] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.627488] 0*128kB [ 262.631467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.633601] 1*256kB (H) [ 262.639196] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.641510] 0*512kB [ 262.645758] __run_timers+0x7e5/0xc70 [ 262.648436] 1*1024kB [ 262.652684] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 262.654986] (H) [ 262.658794] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.661195] 0*2048kB [ 262.666564] ? graph_lock+0x170/0x170 [ 262.668530] 0*4096kB [ 262.673551] ? enqueue_hrtimer+0x1a5/0x560 [ 262.675951] = 13976kB [ 262.679758] ? lock_release+0x970/0x970 [ 262.682178] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 262.686432] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 262.688839] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 262.692858] ? find_held_lock+0x36/0x1c0 [ 262.701679] 1241 total pagecache pages [ 262.706873] ? graph_lock+0x170/0x170 [ 262.715452] 0 pages in swap cache [ 262.719516] ? pvclock_read_flags+0x160/0x160 [ 262.723417] Swap cache stats: add 0, delete 0, find 0/0 [ 262.727223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.730665] Free swap = 0kB [ 262.730673] Total swap = 0kB [ 262.735265] ? check_preemption_disabled+0x48/0x280 [ 262.740613] 1965979 pages RAM [ 262.746165] ? __lock_is_held+0xb5/0x140 [ 262.749160] 0 pages HighMem/MovableOnly [ 262.749169] 342306 pages reserved [ 262.752254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.757259] 0 pages cma reserved [ 262.760378] ? check_preemption_disabled+0x48/0x280 [ 262.764522] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 262.768457] run_timer_softirq+0x52/0xb0 [ 262.768473] ? rcu_read_lock_sched_held+0x108/0x120 [ 262.768489] __do_softirq+0x30c/0xb03 [ 262.771990] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 262.777620] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 262.780972] ksoftirqd/1 cpuset= [ 262.785996] ? pvclock_read_flags+0x160/0x160 [ 262.792475] / [ 262.796553] ? lapic_next_event+0x5a/0x90 [ 262.801563] mems_allowed=0 [ 262.805369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.842892] ? check_preemption_disabled+0x48/0x280 [ 262.847932] ? check_preemption_disabled+0x48/0x280 [ 262.852970] ? kvm_clock_read+0x18/0x30 [ 262.856967] ? kvm_sched_clock_read+0x9/0x20 [ 262.861416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.866970] ? check_preemption_disabled+0x48/0x280 [ 262.872010] irq_exit+0x17f/0x1c0 [ 262.875480] smp_apic_timer_interrupt+0x1cb/0x760 [ 262.880337] ? smp_reschedule_interrupt+0x109/0x650 [ 262.885370] ? smp_call_function_single_interrupt+0x650/0x650 [ 262.891291] ? interrupt_entry+0xb5/0xf0 [ 262.895371] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.900443] ? trace_hardirqs_off_caller+0xbb/0x310 [ 262.905477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.910332] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.915365] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.920437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.925989] ? check_preemption_disabled+0x48/0x280 [ 262.931021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.936583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.941460] apic_timer_interrupt+0xf/0x20 [ 262.945699] [ 262.947962] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 262.952910] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 262.971823] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 262.979544] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 262.986824] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 262.994103] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 263.001383] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 263.008689] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 263.016098] skb_clone+0x1bb/0x500 [ 263.019658] ? skb_split+0x11e0/0x11e0 [ 263.023563] ? check_preemption_disabled+0x48/0x280 [ 263.028605] ? __this_cpu_preempt_check+0x1c/0x20 [ 263.033469] ? __bpf_redirect+0x54b/0xb20 [ 263.037643] bpf_clone_redirect+0xb9/0x490 [ 263.041899] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 263.046930] ? __sched_text_start+0x8/0x8 [ 263.051106] ? find_held_lock+0x36/0x1c0 [ 263.055188] ? lock_acquire+0x1ed/0x520 [ 263.059175] ? bpf_test_run+0x3cb/0x780 [ 263.063162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.068723] ? check_preemption_disabled+0x48/0x280 [ 263.073759] ? kasan_check_read+0x11/0x20 [ 263.077926] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.083221] ? rcu_bh_qs+0xc0/0xc0 [ 263.086778] ? preempt_schedule+0x4d/0x60 [ 263.090941] ? ___preempt_schedule+0x16/0x18 [ 263.095372] ? bpf_test_run+0x25d/0x780 [ 263.099415] ? netlink_diag_dump+0x2a0/0x2a0 [ 263.103841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.109415] ? bpf_test_init.isra.10+0x70/0x100 [ 263.114105] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 263.118886] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 263.123766] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 263.129317] ? fput+0x130/0x1a0 [ 263.132614] ? __bpf_prog_get+0x9b/0x290 [ 263.136695] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 263.141557] ? bpf_prog_test_run+0x130/0x1a0 [ 263.145982] ? __x64_sys_bpf+0x3d8/0x520 [ 263.150058] ? bpf_prog_get+0x20/0x20 [ 263.153893] ? do_syscall_64+0x1b9/0x820 [ 263.157970] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 263.163350] ? syscall_return_slowpath+0x5e0/0x5e0 [ 263.168295] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.173330] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 263.178361] ? recalc_sigpending_tsk+0x180/0x180 [ 263.183153] ? kasan_check_write+0x14/0x20 [ 263.187430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.192297] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 263.197694] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 263.197771] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.204635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.204644] Call Trace: [ 263.211218] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.220497] dump_stack+0x1c4/0x2b6 [ 263.223072] syz-executor0 cpuset= [ 263.233564] ? dump_stack_print_info.cold.1+0x20/0x20 [ 263.237174] syz0 [ 263.240644] warn_alloc.cold.119+0xb7/0x1bd [ 263.245814] mems_allowed=0 [ 263.247796] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 263.259885] ? lock_downgrade+0x900/0x900 [ 263.264057] ? trace_hardirqs_off+0xb8/0x310 [ 263.268489] ? trace_hardirqs_off+0xb8/0x310 [ 263.272921] __alloc_pages_slowpath+0x265e/0x2d70 [ 263.277809] ? warn_alloc+0x120/0x120 [ 263.281636] ? warn_alloc+0x120/0x120 [ 263.285459] ? print_usage_bug+0xc0/0xc0 [ 263.289535] ? warn_alloc+0x120/0x120 [ 263.293353] ? print_usage_bug+0xc0/0xc0 [ 263.297447] ? __lock_acquire+0x7ec/0x4ec0 [ 263.301697] ? __lock_acquire+0x7ec/0x4ec0 [ 263.305945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.311498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.317052] ? should_fail+0x22d/0xd01 [ 263.320962] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.326078] ? __lock_acquire+0x7ec/0x4ec0 [ 263.330333] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.335460] ? __lock_acquire+0x7ec/0x4ec0 [ 263.339791] ? should_fail+0x22d/0xd01 [ 263.343705] ? mark_held_locks+0x130/0x130 [ 263.348057] ? mark_held_locks+0x130/0x130 [ 263.352309] ? graph_lock+0x170/0x170 [ 263.356127] ? print_usage_bug+0xc0/0xc0 [ 263.360207] ? graph_lock+0x170/0x170 [ 263.364058] ? print_usage_bug+0xc0/0xc0 [ 263.368266] ? wq_watchdog_touch+0x9c/0xfe [ 263.372518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.378074] ? check_preemption_disabled+0x48/0x280 [ 263.383103] ? check_preemption_disabled+0x48/0x280 [ 263.388142] ? __lock_is_held+0xb5/0x140 [ 263.392227] __alloc_pages_nodemask+0xa80/0xde0 [ 263.396914] ? graph_lock+0x170/0x170 [ 263.400736] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 263.405763] ? graph_lock+0x170/0x170 [ 263.409594] ? find_held_lock+0x36/0x1c0 [ 263.413680] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.418363] ? lock_downgrade+0x900/0x900 [ 263.422558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.428114] cache_grow_begin+0x91/0x8c0 [ 263.432197] ? do_raw_spin_unlock+0xa7/0x330 [ 263.436640] fallback_alloc+0x203/0x2e0 [ 263.440642] ____cache_alloc_node+0x1c7/0x1e0 [ 263.445158] kmem_cache_alloc_node+0xe3/0x730 [ 263.449672] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.453931] __alloc_skb+0x119/0x770 [ 263.457660] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.463009] ? skb_scrub_packet+0x490/0x490 [ 263.467343] ? lock_downgrade+0x900/0x900 [ 263.471513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.477164] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.482640] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.488107] ? addrconf_rs_timer+0x690/0x690 [ 263.492547] ndisc_alloc_skb+0x144/0x340 [ 263.496630] ndisc_send_rs+0x331/0x6e0 [ 263.500537] addrconf_rs_timer+0x314/0x690 [ 263.504796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.509062] call_timer_fn+0x272/0x920 [ 263.512967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.517225] ? process_timeout+0x40/0x40 [ 263.521299] ? find_held_lock+0x36/0x1c0 [ 263.525473] ? __run_timers+0x7da/0xc70 [ 263.529471] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.533984] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.538492] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.542741] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 263.547339] ? trace_hardirqs_on+0xbd/0x310 [ 263.551675] ? kasan_check_read+0x11/0x20 [ 263.555842] ? __run_timers+0x7da/0xc70 [ 263.559835] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.565305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.569561] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.573817] __run_timers+0x7e5/0xc70 [ 263.577648] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 263.583029] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.587541] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.592053] ? lockdep_hardirqs_on+0x421/0x5c0 [ 263.596650] ? trace_hardirqs_on+0xbd/0x310 [ 263.600984] ? kasan_check_read+0x11/0x20 [ 263.605154] ? finish_task_switch+0x1f4/0x910 [ 263.609667] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.615133] ? compat_start_thread+0x80/0x80 [ 263.619564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.625125] ? _raw_spin_unlock_irq+0x60/0x80 [ 263.629644] ? pvclock_read_flags+0x160/0x160 [ 263.634155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.639709] ? check_preemption_disabled+0x48/0x280 [ 263.644750] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.650042] ? rcu_pm_notify+0xc0/0xc0 [ 263.653945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.659499] ? check_preemption_disabled+0x48/0x280 [ 263.664540] run_timer_softirq+0x52/0xb0 [ 263.668615] ? rcu_read_lock_sched_held+0x108/0x120 [ 263.673648] __do_softirq+0x30c/0xb03 [ 263.677478] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 263.682596] ? trace_hardirqs_off+0x310/0x310 [ 263.687107] ? trace_hardirqs_on+0x310/0x310 [ 263.691540] ? schedule+0x108/0x460 [ 263.695184] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 263.699970] ? trace_hardirqs_off+0xb8/0x310 [ 263.704418] ? smpboot_thread_fn+0x68b/0xa00 [ 263.708850] ? trace_hardirqs_on+0x310/0x310 [ 263.713281] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.718834] ? check_preemption_disabled+0x48/0x280 [ 263.723875] ? takeover_tasklets+0xa90/0xa90 [ 263.728308] run_ksoftirqd+0x94/0x100 [ 263.732125] smpboot_thread_fn+0x68b/0xa00 [ 263.736385] ? sort_range+0x30/0x30 [ 263.740055] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.745177] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.750732] ? __kthread_parkme+0xfb/0x1a0 [ 263.755471] kthread+0x35a/0x420 [ 263.758856] ? sort_range+0x30/0x30 [ 263.762498] ? kthread_bind+0x40/0x40 [ 263.766319] ret_from_fork+0x3a/0x50 [ 263.770071] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 263.770077] warn_alloc_show_mem: 1 callbacks suppressed [ 263.770084] Mem-Info: [ 263.777450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.777459] Call Trace: [ 263.782846] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 263.782846] active_file:11 inactive_file:12 isolated_file:0 [ 263.782846] unevictable:0 dirty:0 writeback:0 unstable:0 [ 263.782846] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 263.782846] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 263.782846] free:13647 free_pcp:360 free_cma:0 [ 263.785227] [ 263.785246] dump_stack+0x1c4/0x2b6 [ 263.794617] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 263.797225] ? dump_stack_print_info.cold.1+0x20/0x20 [ 263.830279] Node 0 [ 263.832487] warn_alloc.cold.119+0xb7/0x1bd [ 263.836113] 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 [ 263.863773] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 263.868942] lowmem_reserve[]: 0 [ 263.871195] ? lock_downgrade+0x900/0x900 [ 263.875503] 2819 [ 263.901026] ? trace_hardirqs_off+0xb8/0x310 [ 263.905854] 6323 [ 263.909138] ? trace_hardirqs_off+0xb8/0x310 [ 263.913269] 6323 [ 263.915346] __alloc_pages_slowpath+0x265e/0x2d70 [ 263.919735] Node 0 [ 263.921832] ? warn_alloc+0x120/0x120 [ 263.926287] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 263.928333] ? trace_hardirqs_on+0x310/0x310 [ 263.933155] lowmem_reserve[]: 0 [ 263.935429] ? warn_alloc+0x120/0x120 [ 263.939224] 0 [ 263.965956] ? print_usage_bug+0xc0/0xc0 [ 263.970356] 3503 [ 263.973643] ? warn_alloc+0x120/0x120 [ 263.977452] 3503 [ 263.979272] ? ktime_get+0x2e1/0x440 [ 263.983319] Node 0 [ 263.985412] ? print_usage_bug+0xc0/0xc0 [ 263.989231] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 263.991269] ? __lock_acquire+0x7ec/0x4ec0 [ 263.994963] lowmem_reserve[]: 0 [ 263.997218] ? __lock_acquire+0x7ec/0x4ec0 [ 264.001277] 0 0 [ 264.029757] ? kasan_check_read+0x11/0x20 [ 264.033977] 0 [ 264.037265] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.043471] ? should_fail+0x22d/0xd01 [ 264.047611] Node 0 [ 264.049446] ? rcu_bh_qs+0xc0/0xc0 [ 264.054972] DMA: [ 264.058867] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.061092] 1*4kB [ 264.064637] ? __lock_acquire+0x7ec/0x4ec0 [ 264.066688] (U) [ 264.071797] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.073933] 0*8kB 0*16kB [ 264.078183] ? __lock_acquire+0x7ec/0x4ec0 [ 264.080150] 1*32kB [ 264.085259] ? should_fail+0x22d/0xd01 [ 264.088007] (U) [ 264.092250] ? rcu_idle_enter+0x4b0/0x4b0 [ 264.094478] 2*64kB [ 264.098375] ? mark_held_locks+0x130/0x130 [ 264.100335] (U) [ 264.104493] ? mark_held_locks+0x130/0x130 [ 264.106726] 1*128kB [ 264.110968] ? mark_held_locks+0xc7/0x130 [ 264.112931] (U) 1*256kB [ 264.117174] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 264.117189] ? graph_lock+0x170/0x170 [ 264.119499] (U) 0*512kB [ 264.123662] ? print_usage_bug+0xc0/0xc0 [ 264.126323] 1*1024kB [ 264.131346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.135187] (U) [ 264.137872] ? check_preemption_disabled+0x48/0x280 [ 264.141921] 1*2048kB [ 264.144337] ? check_preemption_disabled+0x48/0x280 [ 264.149860] (M) [ 264.151848] ? __lock_is_held+0xb5/0x140 [ 264.156849] 3*4096kB [ 264.159273] __alloc_pages_nodemask+0xa80/0xde0 [ 264.164275] (M) [ 264.166257] ? graph_lock+0x170/0x170 [ 264.170307] = 15908kB [ 264.172729] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 264.177382] Node 0 [ 264.179384] ? graph_lock+0x170/0x170 [ 264.183199] DMA32: [ 264.185625] ? find_held_lock+0x36/0x1c0 [ 264.190625] 4*4kB [ 264.192873] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.196655] (UM) [ 264.198902] ? lock_downgrade+0x900/0x900 [ 264.202953] 2*8kB [ 264.205111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.209763] (UM) [ 264.211836] cache_grow_begin+0x91/0x8c0 [ 264.215973] 2*16kB [ 264.218128] ? do_raw_spin_unlock+0xa7/0x330 [ 264.223650] (M) [ 264.225730] fallback_alloc+0x203/0x2e0 [ 264.229774] 3*32kB [ 264.232017] ____cache_alloc_node+0x1c7/0x1e0 [ 264.236429] (UM) [ 264.238435] kmem_cache_alloc_node+0xe3/0x730 [ 264.242417] 4*64kB [ 264.244774] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.249250] (M) 4*128kB [ 264.251333] __alloc_skb+0x119/0x770 [ 264.255809] (UM) [ 264.258055] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.262435] 3*256kB (M) [ 264.265122] ? skb_scrub_packet+0x490/0x490 [ 264.268818] 3*512kB (M) [ 264.270901] ? lock_downgrade+0x900/0x900 [ 264.276166] 3*1024kB [ 264.278848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.283155] (UM) [ 264.285834] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.289971] 3*2048kB [ 264.292412] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.297934] (M) [ 264.300002] ? addrconf_rs_timer+0x690/0x690 [ 264.305454] 3*4096kB [ 264.307877] ndisc_alloc_skb+0x144/0x340 [ 264.313310] (M) [ 264.315302] ndisc_send_rs+0x331/0x6e0 [ 264.319695] = 24736kB [ 264.319703] Node 0 [ 264.322186] addrconf_rs_timer+0x314/0x690 [ 264.326239] Normal: [ 264.328224] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.332104] 592*4kB [ 264.334533] call_timer_fn+0x272/0x920 [ 264.336746] (UMEH) [ 264.340987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.343413] 405*8kB [ 264.347712] ? process_timeout+0x40/0x40 [ 264.350027] (UMEH) [ 264.353922] ? find_held_lock+0x36/0x1c0 [ 264.356148] 177*16kB [ 264.360416] ? __run_timers+0x7da/0xc70 [ 264.362721] (UME) 103*32kB [ 264.366801] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.369025] (UMH) [ 264.373095] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.375493] 15*64kB [ 264.379482] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.382425] (UMH) [ 264.386928] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 264.389070] 0*128kB [ 264.393569] ? trace_hardirqs_on+0xbd/0x310 [ 264.395888] 1*256kB [ 264.400129] ? kasan_check_read+0x11/0x20 [ 264.402268] (H) [ 264.406856] ? __run_timers+0x7da/0xc70 [ 264.409168] 0*512kB [ 264.413500] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.415815] 1*1024kB [ 264.419970] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.421938] (H) [ 264.425920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.428233] 0*2048kB 0*4096kB [ 264.433698] __run_timers+0x7e5/0xc70 [ 264.436100] = 13976kB [ 264.440349] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 264.442317] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 264.446558] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 264.449767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 264.453652] ? graph_lock+0x170/0x170 [ 264.456054] 1241 total pagecache pages [ 264.461444] ? enqueue_hrtimer+0x1a5/0x560 [ 264.470272] 0 pages in swap cache [ 264.475304] ? lock_release+0x970/0x970 [ 264.483866] Swap cache stats: add 0, delete 0, find 0/0 [ 264.483875] Free swap = 0kB [ 264.487680] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 264.491558] Total swap = 0kB [ 264.495802] ? find_held_lock+0x36/0x1c0 [ 264.499245] 1965979 pages RAM [ 264.503226] ? graph_lock+0x170/0x170 [ 264.508581] 0 pages HighMem/MovableOnly [ 264.511608] ? pvclock_read_flags+0x160/0x160 [ 264.516790] 342306 pages reserved [ 264.519814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.523862] 0 pages cma reserved [ 264.526987] ? check_preemption_disabled+0x48/0x280 [ 264.530843] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.534845] ? __lock_is_held+0xb5/0x140 [ 264.539433] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.542785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.548312] ksoftirqd/1 cpuset= [ 264.551689] ? check_preemption_disabled+0x48/0x280 [ 264.556696] / [ 264.563200] run_timer_softirq+0x52/0xb0 [ 264.567254] mems_allowed=0 [ 264.577573] ? rcu_read_lock_sched_held+0x108/0x120 [ 264.605272] __do_softirq+0x30c/0xb03 [ 264.609101] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 264.614224] ? pvclock_read_flags+0x160/0x160 [ 264.618737] ? lapic_next_event+0x5a/0x90 [ 264.623455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.629013] ? check_preemption_disabled+0x48/0x280 [ 264.634045] ? check_preemption_disabled+0x48/0x280 [ 264.639083] ? kvm_clock_read+0x18/0x30 [ 264.643074] ? kvm_sched_clock_read+0x9/0x20 [ 264.647502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.653057] ? check_preemption_disabled+0x48/0x280 [ 264.658101] irq_exit+0x17f/0x1c0 [ 264.661570] smp_apic_timer_interrupt+0x1cb/0x760 [ 264.666440] ? smp_reschedule_interrupt+0x109/0x650 [ 264.671472] ? smp_call_function_single_interrupt+0x650/0x650 [ 264.677372] ? interrupt_entry+0xb5/0xf0 [ 264.681534] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.686569] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.691600] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.696462] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.701494] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.706527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.712083] ? check_preemption_disabled+0x48/0x280 [ 264.717112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.722670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.727534] apic_timer_interrupt+0xf/0x20 [ 264.731778] [ 264.734044] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 264.739000] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 264.757915] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 264.765647] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 264.772927] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 264.780300] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 264.787579] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 264.794857] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 264.802179] skb_clone+0x1bb/0x500 [ 264.805743] ? skb_split+0x11e0/0x11e0 [ 264.809648] ? check_preemption_disabled+0x48/0x280 [ 264.814687] ? __this_cpu_preempt_check+0x1c/0x20 [ 264.819554] ? __bpf_redirect+0x54b/0xb20 [ 264.823732] bpf_clone_redirect+0xb9/0x490 [ 264.828015] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 264.833047] ? __sched_text_start+0x8/0x8 [ 264.837222] ? find_held_lock+0x36/0x1c0 [ 264.841309] ? lock_acquire+0x1ed/0x520 [ 264.845297] ? bpf_test_run+0x3cb/0x780 [ 264.849292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.854850] ? check_preemption_disabled+0x48/0x280 [ 264.859889] ? kasan_check_read+0x11/0x20 [ 264.864053] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.869455] ? rcu_bh_qs+0xc0/0xc0 [ 264.873012] ? preempt_schedule+0x4d/0x60 [ 264.877177] ? ___preempt_schedule+0x16/0x18 [ 264.881611] ? bpf_test_run+0x25d/0x780 [ 264.885612] ? netlink_diag_dump+0x2a0/0x2a0 [ 264.890038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.895595] ? bpf_test_init.isra.10+0x70/0x100 [ 264.900290] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 264.905078] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 264.909938] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 264.915496] ? fput+0x130/0x1a0 [ 264.918969] ? __bpf_prog_get+0x9b/0x290 [ 264.923047] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 264.927901] ? bpf_prog_test_run+0x130/0x1a0 [ 264.932329] ? __x64_sys_bpf+0x3d8/0x520 [ 264.936427] ? bpf_prog_get+0x20/0x20 [ 264.940267] ? do_syscall_64+0x1b9/0x820 [ 264.944344] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 264.949732] ? syscall_return_slowpath+0x5e0/0x5e0 [ 264.954680] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.959713] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 264.964758] ? recalc_sigpending_tsk+0x180/0x180 [ 264.969547] ? kasan_check_write+0x14/0x20 [ 264.973811] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.978677] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 264.984075] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 264.984152] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.991016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.991022] Call Trace: [ 264.991042] dump_stack+0x1c4/0x2b6 [ 264.991065] ? dump_stack_print_info.cold.1+0x20/0x20 [ 264.997636] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.006925] warn_alloc.cold.119+0xb7/0x1bd [ 265.009496] syz-executor0 cpuset= [ 265.013130] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.018305] syz0 [ 265.028800] ? lock_downgrade+0x900/0x900 [ 265.033115] mems_allowed=0 [ 265.036577] ? trace_hardirqs_off+0xb8/0x310 [ 265.054917] ? trace_hardirqs_off+0xb8/0x310 [ 265.059349] __alloc_pages_slowpath+0x265e/0x2d70 [ 265.064241] ? warn_alloc+0x120/0x120 [ 265.068064] ? warn_alloc+0x120/0x120 [ 265.071887] ? print_usage_bug+0xc0/0xc0 [ 265.075968] ? warn_alloc+0x120/0x120 [ 265.079789] ? print_usage_bug+0xc0/0xc0 [ 265.083867] ? __lock_acquire+0x7ec/0x4ec0 [ 265.088118] ? __lock_acquire+0x7ec/0x4ec0 [ 265.092373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.097960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.103529] ? should_fail+0x22d/0xd01 [ 265.107475] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.112614] ? __lock_acquire+0x7ec/0x4ec0 [ 265.116886] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.122010] ? __lock_acquire+0x7ec/0x4ec0 [ 265.126265] ? should_fail+0x22d/0xd01 [ 265.130189] ? mark_held_locks+0x130/0x130 [ 265.134472] ? mark_held_locks+0x130/0x130 [ 265.138740] ? mark_held_locks+0xc7/0x130 [ 265.142908] ? print_usage_bug+0xc0/0xc0 [ 265.146996] ? graph_lock+0x170/0x170 [ 265.150822] ? print_usage_bug+0xc0/0xc0 [ 265.154976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.160589] ? check_preemption_disabled+0x48/0x280 [ 265.165680] ? check_preemption_disabled+0x48/0x280 [ 265.170735] ? __lock_is_held+0xb5/0x140 [ 265.174829] __alloc_pages_nodemask+0xa80/0xde0 [ 265.179518] ? graph_lock+0x170/0x170 [ 265.183340] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 265.188371] ? graph_lock+0x170/0x170 [ 265.192229] ? find_held_lock+0x36/0x1c0 [ 265.196317] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.201007] ? lock_downgrade+0x900/0x900 [ 265.205176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.210734] cache_grow_begin+0x91/0x8c0 [ 265.214814] ? do_raw_spin_unlock+0xa7/0x330 [ 265.219252] fallback_alloc+0x203/0x2e0 [ 265.223254] ____cache_alloc_node+0x1c7/0x1e0 [ 265.227770] kmem_cache_alloc_node+0xe3/0x730 [ 265.232279] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.236543] __alloc_skb+0x119/0x770 [ 265.240277] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.245577] ? skb_scrub_packet+0x490/0x490 [ 265.249917] ? lock_downgrade+0x900/0x900 [ 265.254088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.259644] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.265116] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.270591] ? addrconf_rs_timer+0x690/0x690 [ 265.275028] ndisc_alloc_skb+0x144/0x340 [ 265.279114] ndisc_send_rs+0x331/0x6e0 [ 265.283027] addrconf_rs_timer+0x314/0x690 [ 265.287286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.291650] call_timer_fn+0x272/0x920 [ 265.295554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.299811] ? process_timeout+0x40/0x40 [ 265.303888] ? find_held_lock+0x36/0x1c0 [ 265.307973] ? __run_timers+0x7da/0xc70 [ 265.311968] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.316618] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.321131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.325381] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 265.330008] ? trace_hardirqs_on+0xbd/0x310 [ 265.334343] ? kasan_check_read+0x11/0x20 [ 265.338507] ? __run_timers+0x7da/0xc70 [ 265.342499] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.347969] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.352230] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.356485] __run_timers+0x7e5/0xc70 [ 265.360321] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 265.365707] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.370218] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.374736] ? lockdep_hardirqs_on+0x421/0x5c0 [ 265.379338] ? trace_hardirqs_on+0xbd/0x310 [ 265.383675] ? kasan_check_read+0x11/0x20 [ 265.387845] ? finish_task_switch+0x1f4/0x910 [ 265.392358] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.397846] ? compat_start_thread+0x80/0x80 [ 265.402273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.407835] ? _raw_spin_unlock_irq+0x60/0x80 [ 265.412352] ? pvclock_read_flags+0x160/0x160 [ 265.416895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.422461] ? check_preemption_disabled+0x48/0x280 [ 265.427516] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.432810] ? rcu_pm_notify+0xc0/0xc0 [ 265.436713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.442272] ? check_preemption_disabled+0x48/0x280 [ 265.447467] run_timer_softirq+0x52/0xb0 [ 265.451549] ? rcu_read_lock_sched_held+0x108/0x120 [ 265.456589] __do_softirq+0x30c/0xb03 [ 265.460453] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.465587] ? trace_hardirqs_off+0x310/0x310 [ 265.470117] ? trace_hardirqs_on+0x310/0x310 [ 265.474568] ? schedule+0x108/0x460 [ 265.478232] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.483084] ? trace_hardirqs_off+0xb8/0x310 [ 265.487515] ? smpboot_thread_fn+0x68b/0xa00 [ 265.492000] ? trace_hardirqs_on+0x310/0x310 [ 265.496454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.502011] ? check_preemption_disabled+0x48/0x280 [ 265.507053] ? takeover_tasklets+0xa90/0xa90 [ 265.511490] run_ksoftirqd+0x94/0x100 [ 265.515313] smpboot_thread_fn+0x68b/0xa00 [ 265.519567] ? sort_range+0x30/0x30 [ 265.523212] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 265.528344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.533900] ? __kthread_parkme+0xfb/0x1a0 [ 265.538155] kthread+0x35a/0x420 [ 265.541537] ? sort_range+0x30/0x30 [ 265.545179] ? kthread_bind+0x40/0x40 [ 265.549002] ret_from_fork+0x3a/0x50 [ 265.552748] warn_alloc_show_mem: 1 callbacks suppressed [ 265.552760] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 265.552762] Mem-Info: [ 265.552794] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 265.552794] active_file:11 inactive_file:12 isolated_file:0 [ 265.552794] unevictable:0 dirty:0 writeback:0 unstable:0 [ 265.552794] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 265.552794] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 265.552794] free:13647 free_pcp:360 free_cma:0 [ 265.558146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.565524] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 265.568023] Call Trace: [ 265.601076] Node 0 [ 265.610449] [ 265.638196] 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 [ 265.640767] dump_stack+0x1c4/0x2b6 [ 265.642986] lowmem_reserve[]: [ 265.645145] ? dump_stack_print_info.cold.1+0x20/0x20 [ 265.670688] 0 [ 265.674336] warn_alloc.cold.119+0xb7/0x1bd [ 265.677436] 2819 [ 265.682630] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.684438] 6323 [ 265.688771] ? lock_downgrade+0x900/0x900 [ 265.690818] 6323 [ 265.695679] ? trace_hardirqs_off+0xb8/0x310 [ 265.697725] Node 0 DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 265.701888] ? trace_hardirqs_off+0xb8/0x310 [ 265.703941] lowmem_reserve[]: [ 265.708360] __alloc_pages_slowpath+0x265e/0x2d70 [ 265.735664] 0 0 [ 265.740119] ? warn_alloc+0x120/0x120 [ 265.743188] 3503 [ 265.748039] ? trace_hardirqs_on+0x310/0x310 [ 265.749997] 3503 [ 265.753968] ? warn_alloc+0x120/0x120 [ 265.753978] ? print_usage_bug+0xc0/0xc0 [ 265.753986] ? warn_alloc+0x120/0x120 [ 265.753994] ? ktime_get+0x2e1/0x440 [ 265.754002] ? print_usage_bug+0xc0/0xc0 [ 265.754011] ? __lock_acquire+0x7ec/0x4ec0 [ 265.754018] ? __lock_acquire+0x7ec/0x4ec0 [ 265.754028] ? kasan_check_read+0x11/0x20 [ 265.754037] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.754046] ? should_fail+0x22d/0xd01 [ 265.754056] ? rcu_bh_qs+0xc0/0xc0 [ 265.754065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.754075] ? __lock_acquire+0x7ec/0x4ec0 [ 265.754092] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.754103] ? __lock_acquire+0x7ec/0x4ec0 [ 265.754114] ? should_fail+0x22d/0xd01 [ 265.754128] ? rcu_idle_enter+0x4b0/0x4b0 [ 265.754150] ? mark_held_locks+0x130/0x130 [ 265.754167] ? mark_held_locks+0x130/0x130 [ 265.756235] Node 0 [ 265.760654] ? mark_held_locks+0xc7/0x130 [ 265.762730] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 265.766518] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 265.770559] lowmem_reserve[]: 0 [ 265.774377] ? graph_lock+0x170/0x170 [ 265.778103] 0 [ 265.782174] ? print_usage_bug+0xc0/0xc0 [ 265.786466] 0 [ 265.790714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.794858] 0 [ 265.800428] ? check_preemption_disabled+0x48/0x280 [ 265.807850] ? check_preemption_disabled+0x48/0x280 [ 265.812940] Node 0 [ 265.817186] ? __lock_is_held+0xb5/0x140 [ 265.822272] DMA: [ 265.826520] __alloc_pages_nodemask+0xa80/0xde0 [ 265.830416] 1*4kB [ 265.834568] ? graph_lock+0x170/0x170 [ 265.838791] (U) [ 265.843033] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 265.845258] 0*8kB [ 265.849436] ? graph_lock+0x170/0x170 [ 265.877994] 0*16kB [ 265.883024] ? find_held_lock+0x36/0x1c0 [ 265.886288] 1*32kB [ 265.890102] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.891891] (U) [ 265.895961] ? lock_downgrade+0x900/0x900 [ 265.897755] 2*64kB [ 265.903299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.905080] (U) 1*128kB [ 265.910115] cache_grow_begin+0x91/0x8c0 [ 265.915117] (U) [ 265.917362] ? do_raw_spin_unlock+0xa7/0x330 [ 265.921434] 1*256kB [ 265.923513] fallback_alloc+0x203/0x2e0 [ 265.928164] (U) [ 265.930323] ____cache_alloc_node+0x1c7/0x1e0 [ 265.934105] 0*512kB 1*1024kB [ 265.936097] kmem_cache_alloc_node+0xe3/0x730 [ 265.941096] (U) [ 265.943254] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.947043] 1*2048kB [ 265.949295] __alloc_skb+0x119/0x770 [ 265.953348] (M) [ 265.955600] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.960254] 3*4096kB [ 265.962240] ? skb_scrub_packet+0x490/0x490 [ 265.966373] (M) [ 265.968635] ? lock_downgrade+0x900/0x900 [ 265.968657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.974183] = 15908kB [ 265.976861] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.980907] Node 0 [ 265.982889] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.987286] DMA32: [ 265.989620] ? addrconf_rs_timer+0x690/0x690 [ 265.993584] 4*4kB [ 265.995576] ndisc_alloc_skb+0x144/0x340 [ 266.000054] (UM) [ 266.003165] ndisc_send_rs+0x331/0x6e0 [ 266.007646] 2*8kB [ 266.009630] addrconf_rs_timer+0x314/0x690 [ 266.013848] (UM) [ 266.016267] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.019968] 2*16kB [ 266.021965] call_timer_fn+0x272/0x920 [ 266.027226] (M) [ 266.029790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.034113] 3*32kB [ 266.036100] ? process_timeout+0x40/0x40 [ 266.040237] (UM) [ 266.045786] ? find_held_lock+0x36/0x1c0 [ 266.048188] 4*64kB [ 266.053650] ? __run_timers+0x7da/0xc70 [ 266.055874] (M) [ 266.061331] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.063558] 4*128kB [ 266.067969] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.070185] (UM) 3*256kB [ 266.074264] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.076314] (M) [ 266.080208] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 266.082354] 3*512kB [ 266.086594] ? trace_hardirqs_on+0xbd/0x310 [ 266.088648] (M) [ 266.092895] ? kasan_check_read+0x11/0x20 [ 266.095114] 3*1024kB (UM) [ 266.099016] ? __run_timers+0x7da/0xc70 [ 266.100982] 3*2048kB [ 266.105282] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.107509] (M) [ 266.111576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.113626] 3*4096kB (M) [ 266.117701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.119929] = 24736kB [ 266.119937] Node 0 [ 266.123925] __run_timers+0x7e5/0xc70 [ 266.125888] Normal: 592*4kB [ 266.130431] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 266.132735] (UMEH) [ 266.137243] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 266.139989] 405*8kB [ 266.144227] ? graph_lock+0x170/0x170 [ 266.146189] (UMEH) 177*16kB [ 266.150785] ? enqueue_hrtimer+0x1a5/0x560 [ 266.153094] (UME) 103*32kB [ 266.157444] ? lock_release+0x970/0x970 [ 266.159431] (UMH) [ 266.163587] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 266.166441] 15*64kB [ 266.170442] ? find_held_lock+0x36/0x1c0 [ 266.172840] (UMH) [ 266.178296] ? graph_lock+0x170/0x170 [ 266.180256] 0*128kB 1*256kB [ 266.184504] ? pvclock_read_flags+0x160/0x160 [ 266.187248] (H) [ 266.191489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.193886] 0*512kB [ 266.196130] ? check_preemption_disabled+0x48/0x280 [ 266.199914] 1*1024kB [ 266.202943] ? __lock_is_held+0xb5/0x140 [ 266.208290] (H) [ 266.210533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.215529] 0*2048kB 0*4096kB [ 266.217868] ? check_preemption_disabled+0x48/0x280 [ 266.221654] = 13976kB [ 266.224681] run_timer_softirq+0x52/0xb0 [ 266.228911] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 266.231842] ? rcu_read_lock_sched_held+0x108/0x120 [ 266.235815] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 266.237985] __do_softirq+0x30c/0xb03 [ 266.243161] 1241 total pagecache pages [ 266.245500] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 266.249550] 0 pages in swap cache [ 266.251700] ? pvclock_read_flags+0x160/0x160 [ 266.255491] Swap cache stats: add 0, delete 0, find 0/0 [ 266.258510] ? lapic_next_event+0x5a/0x90 [ 266.262996] Free swap = 0kB [ 266.264988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.270506] Total swap = 0kB [ 266.270515] 1965979 pages RAM [ 266.272845] ? check_preemption_disabled+0x48/0x280 [ 266.277841] 0 pages HighMem/MovableOnly [ 266.277850] 342306 pages reserved [ 266.280271] ? check_preemption_disabled+0x48/0x280 [ 266.284313] 0 pages cma reserved [ 266.284432] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.286311] ? kvm_clock_read+0x18/0x30 [ 266.286325] ? kvm_sched_clock_read+0x9/0x20 [ 266.286342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.291926] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.295070] ? check_preemption_disabled+0x48/0x280 [ 266.300070] ksoftirqd/1 cpuset= [ 266.302501] irq_exit+0x17f/0x1c0 [ 266.306544] / [ 266.315411] smp_apic_timer_interrupt+0x1cb/0x760 [ 266.320443] mems_allowed=0 [ 266.329069] ? smp_reschedule_interrupt+0x109/0x650 [ 266.451995] ? smp_call_function_single_interrupt+0x650/0x650 [ 266.458009] ? interrupt_entry+0xb5/0xf0 [ 266.462091] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.467175] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.472209] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.477065] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.482095] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.487127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.492679] ? check_preemption_disabled+0x48/0x280 [ 266.497706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.503269] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.508133] apic_timer_interrupt+0xf/0x20 [ 266.512372] [ 266.514647] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 266.519596] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 266.538594] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 266.546318] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 266.553598] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 266.560879] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 266.568157] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 266.575467] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 266.582789] skb_clone+0x1bb/0x500 [ 266.586346] ? skb_split+0x11e0/0x11e0 [ 266.590248] ? check_preemption_disabled+0x48/0x280 [ 266.595288] ? __this_cpu_preempt_check+0x1c/0x20 [ 266.600149] ? __bpf_redirect+0x54b/0xb20 [ 266.604326] bpf_clone_redirect+0xb9/0x490 [ 266.608585] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 266.613621] ? __sched_text_start+0x8/0x8 [ 266.617801] ? find_held_lock+0x36/0x1c0 [ 266.621886] ? lock_acquire+0x1ed/0x520 [ 266.626418] ? bpf_test_run+0x3cb/0x780 [ 266.630430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.636032] ? check_preemption_disabled+0x48/0x280 [ 266.641075] ? kasan_check_read+0x11/0x20 [ 266.645240] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.650533] ? rcu_bh_qs+0xc0/0xc0 [ 266.654092] ? preempt_schedule+0x4d/0x60 [ 266.658253] ? ___preempt_schedule+0x16/0x18 [ 266.662685] ? bpf_test_run+0x25d/0x780 [ 266.666684] ? netlink_diag_dump+0x2a0/0x2a0 [ 266.671111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.676665] ? bpf_test_init.isra.10+0x70/0x100 [ 266.681356] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 266.686144] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 266.691001] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 266.696560] ? fput+0x130/0x1a0 [ 266.699854] ? __bpf_prog_get+0x9b/0x290 [ 266.703932] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 266.708787] ? bpf_prog_test_run+0x130/0x1a0 [ 266.713215] ? __x64_sys_bpf+0x3d8/0x520 [ 266.717296] ? bpf_prog_get+0x20/0x20 [ 266.721132] ? do_syscall_64+0x1b9/0x820 [ 266.725212] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 266.730602] ? syscall_return_slowpath+0x5e0/0x5e0 [ 266.735555] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.740590] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 266.745622] ? recalc_sigpending_tsk+0x180/0x180 [ 266.750421] ? kasan_check_write+0x14/0x20 [ 266.754680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.759553] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 266.764950] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 266.765019] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.771888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.771894] Call Trace: [ 266.771914] dump_stack+0x1c4/0x2b6 [ 266.771937] ? dump_stack_print_info.cold.1+0x20/0x20 [ 266.778616] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.787900] warn_alloc.cold.119+0xb7/0x1bd [ 266.790465] syz-executor0 cpuset= [ 266.794100] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.799283] syz0 [ 266.809787] ? lock_downgrade+0x900/0x900 [ 266.814098] mems_allowed=0 [ 266.817562] ? trace_hardirqs_off+0xb8/0x310 [ 266.835930] ? trace_hardirqs_off+0xb8/0x310 [ 266.840366] __alloc_pages_slowpath+0x265e/0x2d70 [ 266.845288] ? warn_alloc+0x120/0x120 [ 266.849108] ? warn_alloc+0x120/0x120 [ 266.852925] ? print_usage_bug+0xc0/0xc0 [ 266.857007] ? warn_alloc+0x120/0x120 [ 266.860822] ? print_usage_bug+0xc0/0xc0 [ 266.864906] ? __lock_acquire+0x7ec/0x4ec0 [ 266.869154] ? __lock_acquire+0x7ec/0x4ec0 [ 266.873426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.878986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.884597] ? should_fail+0x22d/0xd01 [ 266.888505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.893622] ? __lock_acquire+0x7ec/0x4ec0 [ 266.897877] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.902994] ? __lock_acquire+0x7ec/0x4ec0 [ 266.907245] ? should_fail+0x22d/0xd01 [ 266.911152] ? mark_held_locks+0x130/0x130 [ 266.915418] ? mark_held_locks+0x130/0x130 [ 266.919666] ? graph_lock+0x170/0x170 [ 266.923479] ? print_usage_bug+0xc0/0xc0 [ 266.927550] ? graph_lock+0x170/0x170 [ 266.931360] ? print_usage_bug+0xc0/0xc0 [ 266.935441] ? wq_watchdog_touch+0x9c/0xfe [ 266.939680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.945232] ? check_preemption_disabled+0x48/0x280 [ 266.950254] ? check_preemption_disabled+0x48/0x280 [ 266.955281] ? __lock_is_held+0xb5/0x140 [ 266.959355] __alloc_pages_nodemask+0xa80/0xde0 [ 266.964028] ? graph_lock+0x170/0x170 [ 266.967843] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 266.972858] ? graph_lock+0x170/0x170 [ 266.976674] ? find_held_lock+0x36/0x1c0 [ 266.980751] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.985436] ? lock_downgrade+0x900/0x900 [ 266.989596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.995146] cache_grow_begin+0x91/0x8c0 [ 266.999212] ? do_raw_spin_unlock+0xa7/0x330 [ 267.003643] fallback_alloc+0x203/0x2e0 [ 267.007626] ____cache_alloc_node+0x1c7/0x1e0 [ 267.012127] kmem_cache_alloc_node+0xe3/0x730 [ 267.016625] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.020875] __alloc_skb+0x119/0x770 [ 267.024593] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.029879] ? skb_scrub_packet+0x490/0x490 [ 267.034206] ? lock_downgrade+0x900/0x900 [ 267.038376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.043926] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.049389] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.054851] ? addrconf_rs_timer+0x690/0x690 [ 267.059279] ndisc_alloc_skb+0x144/0x340 [ 267.063352] ndisc_send_rs+0x331/0x6e0 [ 267.067253] addrconf_rs_timer+0x314/0x690 [ 267.071498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.075755] call_timer_fn+0x272/0x920 [ 267.079649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.083894] ? process_timeout+0x40/0x40 [ 267.087958] ? find_held_lock+0x36/0x1c0 [ 267.092047] ? __run_timers+0x7da/0xc70 [ 267.096034] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.100536] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.105035] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.109276] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 267.113865] ? trace_hardirqs_on+0xbd/0x310 [ 267.118199] ? kasan_check_read+0x11/0x20 [ 267.122359] ? __run_timers+0x7da/0xc70 [ 267.126352] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.131816] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.136072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.140318] __run_timers+0x7e5/0xc70 [ 267.144151] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 267.149548] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.154055] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.158571] ? lockdep_hardirqs_on+0x421/0x5c0 [ 267.163165] ? trace_hardirqs_on+0xbd/0x310 [ 267.167506] ? kasan_check_read+0x11/0x20 [ 267.171676] ? finish_task_switch+0x1f4/0x910 [ 267.176183] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.181648] ? compat_start_thread+0x80/0x80 [ 267.186077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.191638] ? _raw_spin_unlock_irq+0x60/0x80 [ 267.196153] ? pvclock_read_flags+0x160/0x160 [ 267.200663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.206235] ? check_preemption_disabled+0x48/0x280 [ 267.211280] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.216574] ? rcu_pm_notify+0xc0/0xc0 [ 267.220479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.226037] ? check_preemption_disabled+0x48/0x280 [ 267.231083] run_timer_softirq+0x52/0xb0 [ 267.235183] ? rcu_read_lock_sched_held+0x108/0x120 [ 267.240219] __do_softirq+0x30c/0xb03 [ 267.244050] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 267.249171] ? trace_hardirqs_off+0x310/0x310 [ 267.253678] ? trace_hardirqs_on+0x310/0x310 [ 267.258109] ? schedule+0x108/0x460 [ 267.261750] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 267.266535] ? trace_hardirqs_off+0xb8/0x310 [ 267.270962] ? smpboot_thread_fn+0x68b/0xa00 [ 267.275386] ? trace_hardirqs_on+0x310/0x310 [ 267.279847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.285432] ? check_preemption_disabled+0x48/0x280 [ 267.290500] ? takeover_tasklets+0xa90/0xa90 [ 267.294937] run_ksoftirqd+0x94/0x100 [ 267.298759] smpboot_thread_fn+0x68b/0xa00 [ 267.303014] ? sort_range+0x30/0x30 [ 267.306662] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 267.311806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.317461] ? __kthread_parkme+0xfb/0x1a0 [ 267.321719] kthread+0x35a/0x420 [ 267.325114] ? sort_range+0x30/0x30 [ 267.328763] ? kthread_bind+0x40/0x40 [ 267.332585] ret_from_fork+0x3a/0x50 [ 267.336332] warn_alloc_show_mem: 1 callbacks suppressed [ 267.336345] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 267.336346] Mem-Info: [ 267.336378] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 267.336378] active_file:11 inactive_file:12 isolated_file:0 [ 267.336378] unevictable:0 dirty:0 writeback:0 unstable:0 [ 267.336378] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 267.336378] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 267.336378] free:13647 free_pcp:360 free_cma:0 [ 267.341731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.349113] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 267.351529] Call Trace: [ 267.384731] Node 0 [ 267.394093] [ 267.421790] 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 [ 267.424365] dump_stack+0x1c4/0x2b6 [ 267.426584] lowmem_reserve[]: 0 [ 267.428764] ? dump_stack_print_info.cold.1+0x20/0x20 [ 267.454254] 2819 [ 267.457897] warn_alloc.cold.119+0xb7/0x1bd [ 267.461193] 6323 [ 267.466421] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 267.468475] 6323 [ 267.472809] ? lock_downgrade+0x900/0x900 [ 267.479726] ? trace_hardirqs_off+0xb8/0x310 [ 267.481768] Node 0 [ 267.485922] ? trace_hardirqs_off+0xb8/0x310 [ 267.490343] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 267.492569] __alloc_pages_slowpath+0x265e/0x2d70 [ 267.496964] lowmem_reserve[]: [ 267.523719] ? warn_alloc+0x120/0x120 [ 267.528532] 0 [ 267.531649] ? trace_hardirqs_on+0x310/0x310 [ 267.535443] 0 3503 [ 267.537268] ? warn_alloc+0x120/0x120 [ 267.541667] 3503 [ 267.543913] ? print_usage_bug+0xc0/0xc0 [ 267.549779] ? warn_alloc+0x120/0x120 [ 267.553834] Node 0 [ 267.557636] ? ktime_get+0x2e1/0x440 [ 267.557672] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 267.559890] ? print_usage_bug+0xc0/0xc0 [ 267.563587] lowmem_reserve[]: 0 [ 267.592059] ? __lock_acquire+0x7ec/0x4ec0 [ 267.596126] 0 [ 267.599436] ? __lock_acquire+0x7ec/0x4ec0 [ 267.603661] 0 [ 267.605477] ? kasan_check_read+0x11/0x20 [ 267.609688] 0 [ 267.611510] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.615648] Node 0 [ 267.617478] ? should_fail+0x22d/0xd01 [ 267.622994] DMA: 1*4kB [ 267.625367] ? rcu_bh_qs+0xc0/0xc0 [ 267.629248] (U) [ 267.631840] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.635367] 0*8kB 0*16kB [ 267.637388] ? __lock_acquire+0x7ec/0x4ec0 [ 267.642503] 1*32kB (U) [ 267.645280] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.649508] 2*64kB [ 267.652098] ? __lock_acquire+0x7ec/0x4ec0 [ 267.657190] (U) [ 267.659446] ? should_fail+0x22d/0xd01 [ 267.659464] ? rcu_idle_enter+0x4b0/0x4b0 [ 267.663694] 1*128kB [ 267.665683] ? mark_held_locks+0x130/0x130 [ 267.669561] (U) [ 267.673716] ? mark_held_locks+0x130/0x130 [ 267.676029] 1*256kB [ 267.680269] ? mark_held_locks+0xc7/0x130 [ 267.682230] (U) 0*512kB [ 267.686487] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 267.688801] 1*1024kB [ 267.692952] ? graph_lock+0x170/0x170 [ 267.695611] (U) 1*2048kB [ 267.700643] ? print_usage_bug+0xc0/0xc0 [ 267.703050] (M) [ 267.706859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.709603] 3*4096kB (M) [ 267.713833] ? check_preemption_disabled+0x48/0x280 [ 267.715801] = 15908kB [ 267.721348] ? check_preemption_disabled+0x48/0x280 [ 267.724100] Node 0 [ 267.729131] ? __lock_is_held+0xb5/0x140 [ 267.731531] DMA32: [ 267.736559] __alloc_pages_nodemask+0xa80/0xde0 [ 267.738790] 4*4kB [ 267.742856] ? graph_lock+0x170/0x170 [ 267.745079] (UM) 2*8kB [ 267.749777] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 267.751916] (UM) [ 267.755927] ? graph_lock+0x170/0x170 [ 267.758505] 2*16kB (M) [ 267.763543] ? find_held_lock+0x36/0x1c0 [ 267.765592] 3*32kB [ 267.769428] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.772070] (UM) 4*64kB [ 267.776147] ? lock_downgrade+0x900/0x900 [ 267.778378] (M) [ 267.783141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.785803] 4*128kB [ 267.789963] cache_grow_begin+0x91/0x8c0 [ 267.791929] (UM) [ 267.797477] ? do_raw_spin_unlock+0xa7/0x330 [ 267.799795] 3*256kB [ 267.803866] fallback_alloc+0x203/0x2e0 [ 267.805915] (M) [ 267.810343] ____cache_alloc_node+0x1c7/0x1e0 [ 267.812655] 3*512kB [ 267.816636] kmem_cache_alloc_node+0xe3/0x730 [ 267.818597] (M) 3*1024kB [ 267.823109] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.825446] (UM) [ 267.829969] __alloc_skb+0x119/0x770 [ 267.832705] 3*2048kB (M) [ 267.836966] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.839021] 3*4096kB [ 267.842747] ? skb_scrub_packet+0x490/0x490 [ 267.845489] (M) = 24736kB [ 267.850780] ? lock_downgrade+0x900/0x900 [ 267.853183] Node 0 [ 267.857514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.860275] Normal: [ 267.864450] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.866677] 592*4kB [ 267.872220] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.874537] (UMEH) [ 267.880084] ? addrconf_rs_timer+0x690/0x690 [ 267.882422] 405*8kB [ 267.887891] ndisc_alloc_skb+0x144/0x340 [ 267.890106] (UMEH) 177*16kB [ 267.894536] ndisc_send_rs+0x331/0x6e0 [ 267.896847] (UME) [ 267.900919] addrconf_rs_timer+0x314/0x690 [ 267.903929] 103*32kB [ 267.907821] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.909965] (UMH) [ 267.914219] call_timer_fn+0x272/0x920 [ 267.916614] 15*64kB (UMH) [ 267.920864] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.923001] 0*128kB 1*256kB [ 267.926903] ? process_timeout+0x40/0x40 [ 267.929740] (H) [ 267.933982] ? find_held_lock+0x36/0x1c0 [ 267.936989] 0*512kB 1*1024kB [ 267.941069] ? __run_timers+0x7da/0xc70 [ 267.943033] (H) [ 267.947103] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.950188] 0*2048kB 0*4096kB [ 267.954176] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.956142] = 13976kB [ 267.956156] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 267.960650] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.963839] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 267.968335] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 267.970739] 1241 total pagecache pages [ 267.979586] ? trace_hardirqs_on+0xbd/0x310 [ 267.983818] 0 pages in swap cache [ 267.992423] ? kasan_check_read+0x11/0x20 [ 267.996990] Swap cache stats: add 0, delete 0, find 0/0 [ 267.996999] Free swap = 0kB [ 268.000895] ? __run_timers+0x7da/0xc70 [ 268.005206] Total swap = 0kB [ 268.008667] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.012820] 1965979 pages RAM [ 268.018192] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.021194] 0 pages HighMem/MovableOnly [ 268.021203] 342306 pages reserved [ 268.025184] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.028187] 0 pages cma reserved [ 268.028304] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.033659] __run_timers+0x7e5/0xc70 [ 268.036850] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.041012] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 268.044971] ksoftirqd/1 cpuset= [ 268.048454] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 268.052743] / [ 268.056123] ? graph_lock+0x170/0x170 [ 268.062606] mems_allowed=0 [ 268.066433] ? enqueue_hrtimer+0x1a5/0x560 [ 268.103109] ? lock_release+0x970/0x970 [ 268.107103] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 268.112315] ? find_held_lock+0x36/0x1c0 [ 268.116421] ? graph_lock+0x170/0x170 [ 268.120243] ? pvclock_read_flags+0x160/0x160 [ 268.124759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.130319] ? check_preemption_disabled+0x48/0x280 [ 268.135363] ? __lock_is_held+0xb5/0x140 [ 268.139469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.145028] ? check_preemption_disabled+0x48/0x280 [ 268.150070] run_timer_softirq+0x52/0xb0 [ 268.154147] ? rcu_read_lock_sched_held+0x108/0x120 [ 268.159269] __do_softirq+0x30c/0xb03 [ 268.163099] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 268.168232] ? pvclock_read_flags+0x160/0x160 [ 268.172754] ? lapic_next_event+0x5a/0x90 [ 268.177006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.182562] ? check_preemption_disabled+0x48/0x280 [ 268.187598] ? check_preemption_disabled+0x48/0x280 [ 268.192649] ? kvm_clock_read+0x18/0x30 [ 268.196640] ? kvm_sched_clock_read+0x9/0x20 [ 268.201071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.206632] ? check_preemption_disabled+0x48/0x280 [ 268.211677] irq_exit+0x17f/0x1c0 [ 268.215153] smp_apic_timer_interrupt+0x1cb/0x760 [ 268.220007] ? smp_reschedule_interrupt+0x109/0x650 [ 268.225043] ? smp_call_function_single_interrupt+0x650/0x650 [ 268.230948] ? interrupt_entry+0xb5/0xf0 [ 268.235026] ? trace_hardirqs_off_caller+0xbb/0x310 [ 268.240060] ? trace_hardirqs_off_caller+0xbb/0x310 [ 268.245092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.249953] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.254993] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.260036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.265596] ? check_preemption_disabled+0x48/0x280 [ 268.270631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.276375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.281271] apic_timer_interrupt+0xf/0x20 [ 268.285515] [ 268.287777] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 268.292730] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 268.311651] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 268.319381] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 268.326689] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 268.333998] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 268.341278] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 268.348558] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 268.355885] skb_clone+0x1bb/0x500 [ 268.359462] ? skb_split+0x11e0/0x11e0 [ 268.363367] ? check_preemption_disabled+0x48/0x280 [ 268.368460] ? __this_cpu_preempt_check+0x1c/0x20 [ 268.373325] ? __bpf_redirect+0x54b/0xb20 [ 268.377498] bpf_clone_redirect+0xb9/0x490 [ 268.381759] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 268.386794] ? __sched_text_start+0x8/0x8 [ 268.390970] ? find_held_lock+0x36/0x1c0 [ 268.395058] ? lock_acquire+0x1ed/0x520 [ 268.399045] ? bpf_test_run+0x3cb/0x780 [ 268.403039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.408603] ? check_preemption_disabled+0x48/0x280 [ 268.413642] ? kasan_check_read+0x11/0x20 [ 268.417897] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.423194] ? rcu_bh_qs+0xc0/0xc0 [ 268.426756] ? preempt_schedule+0x4d/0x60 [ 268.430925] ? ___preempt_schedule+0x16/0x18 [ 268.435357] ? bpf_test_run+0x25d/0x780 [ 268.439358] ? netlink_diag_dump+0x2a0/0x2a0 [ 268.443787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.449340] ? bpf_test_init.isra.10+0x70/0x100 [ 268.454031] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 268.458813] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 268.463669] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 268.469221] ? fput+0x130/0x1a0 [ 268.472522] ? __bpf_prog_get+0x9b/0x290 [ 268.476606] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 268.481463] ? bpf_prog_test_run+0x130/0x1a0 [ 268.485890] ? __x64_sys_bpf+0x3d8/0x520 [ 268.489966] ? bpf_prog_get+0x20/0x20 [ 268.493805] ? do_syscall_64+0x1b9/0x820 [ 268.497882] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 268.503265] ? syscall_return_slowpath+0x5e0/0x5e0 [ 268.508214] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.513247] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 268.518281] ? recalc_sigpending_tsk+0x180/0x180 [ 268.523056] ? kasan_check_write+0x14/0x20 [ 268.527313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.532240] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 268.537640] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 268.537710] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.544582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.544591] Call Trace: [ 268.551170] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.560465] dump_stack+0x1c4/0x2b6 [ 268.563043] syz-executor0 cpuset= [ 268.573536] ? dump_stack_print_info.cold.1+0x20/0x20 [ 268.577150] syz0 [ 268.580622] warn_alloc.cold.119+0xb7/0x1bd [ 268.585799] mems_allowed=0 [ 268.587786] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.599896] ? lock_downgrade+0x900/0x900 [ 268.604070] ? trace_hardirqs_off+0xb8/0x310 [ 268.608503] ? trace_hardirqs_off+0xb8/0x310 [ 268.612943] __alloc_pages_slowpath+0x265e/0x2d70 [ 268.617841] ? warn_alloc+0x120/0x120 [ 268.621665] ? warn_alloc+0x120/0x120 [ 268.625790] ? print_usage_bug+0xc0/0xc0 [ 268.629871] ? warn_alloc+0x120/0x120 [ 268.633688] ? print_usage_bug+0xc0/0xc0 [ 268.637768] ? __lock_acquire+0x7ec/0x4ec0 [ 268.642020] ? __lock_acquire+0x7ec/0x4ec0 [ 268.646274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.651831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.657387] ? should_fail+0x22d/0xd01 [ 268.661320] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.666459] ? __lock_acquire+0x7ec/0x4ec0 [ 268.670715] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.675839] ? __lock_acquire+0x7ec/0x4ec0 [ 268.680086] ? should_fail+0x22d/0xd01 [ 268.684000] ? mark_held_locks+0x130/0x130 [ 268.688262] ? mark_held_locks+0x130/0x130 [ 268.692519] ? mark_held_locks+0xc7/0x130 [ 268.696681] ? print_usage_bug+0xc0/0xc0 [ 268.700768] ? graph_lock+0x170/0x170 [ 268.704590] ? print_usage_bug+0xc0/0xc0 [ 268.708670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.714242] ? check_preemption_disabled+0x48/0x280 [ 268.719278] ? check_preemption_disabled+0x48/0x280 [ 268.724321] ? __lock_is_held+0xb5/0x140 [ 268.728434] __alloc_pages_nodemask+0xa80/0xde0 [ 268.733123] ? graph_lock+0x170/0x170 [ 268.736947] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 268.741981] ? graph_lock+0x170/0x170 [ 268.745812] ? find_held_lock+0x36/0x1c0 [ 268.749899] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.754585] ? lock_downgrade+0x900/0x900 [ 268.758757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.764320] cache_grow_begin+0x91/0x8c0 [ 268.768426] ? do_raw_spin_unlock+0xa7/0x330 [ 268.772865] fallback_alloc+0x203/0x2e0 [ 268.777057] ____cache_alloc_node+0x1c7/0x1e0 [ 268.781580] kmem_cache_alloc_node+0xe3/0x730 [ 268.786092] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.790352] __alloc_skb+0x119/0x770 [ 268.794089] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.799391] ? skb_scrub_packet+0x490/0x490 [ 268.803755] ? lock_downgrade+0x900/0x900 [ 268.807931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.813486] ? refcount_sub_and_test_checked+0x203/0x310 [ 268.818961] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 268.824451] ? addrconf_rs_timer+0x690/0x690 [ 268.828889] ndisc_alloc_skb+0x144/0x340 [ 268.832972] ndisc_send_rs+0x331/0x6e0 [ 268.836884] addrconf_rs_timer+0x314/0x690 [ 268.841140] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.845427] call_timer_fn+0x272/0x920 [ 268.849333] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.853588] ? process_timeout+0x40/0x40 [ 268.857670] ? find_held_lock+0x36/0x1c0 [ 268.861759] ? __run_timers+0x7da/0xc70 [ 268.865759] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.870273] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.874783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.879038] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 268.883638] ? trace_hardirqs_on+0xbd/0x310 [ 268.887979] ? kasan_check_read+0x11/0x20 [ 268.892144] ? __run_timers+0x7da/0xc70 [ 268.896316] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.901788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.906043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.910296] __run_timers+0x7e5/0xc70 [ 268.914125] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 268.919511] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.924023] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.928534] ? lockdep_hardirqs_on+0x421/0x5c0 [ 268.933139] ? trace_hardirqs_on+0xbd/0x310 [ 268.937476] ? kasan_check_read+0x11/0x20 [ 268.941643] ? finish_task_switch+0x1f4/0x910 [ 268.946160] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.951626] ? compat_start_thread+0x80/0x80 [ 268.956056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.961616] ? _raw_spin_unlock_irq+0x60/0x80 [ 268.966135] ? pvclock_read_flags+0x160/0x160 [ 268.970649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.976207] ? check_preemption_disabled+0x48/0x280 [ 268.981263] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.986561] ? rcu_pm_notify+0xc0/0xc0 [ 268.990467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.996021] ? check_preemption_disabled+0x48/0x280 [ 269.001061] run_timer_softirq+0x52/0xb0 [ 269.005137] ? rcu_read_lock_sched_held+0x108/0x120 [ 269.010173] __do_softirq+0x30c/0xb03 [ 269.014004] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 269.019119] ? trace_hardirqs_off+0x310/0x310 [ 269.023633] ? trace_hardirqs_on+0x310/0x310 [ 269.028064] ? schedule+0x108/0x460 [ 269.031712] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 269.036494] ? trace_hardirqs_off+0xb8/0x310 [ 269.040923] ? smpboot_thread_fn+0x68b/0xa00 [ 269.045347] ? trace_hardirqs_on+0x310/0x310 [ 269.049833] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.055420] ? check_preemption_disabled+0x48/0x280 [ 269.060474] ? takeover_tasklets+0xa90/0xa90 [ 269.064903] run_ksoftirqd+0x94/0x100 [ 269.068720] smpboot_thread_fn+0x68b/0xa00 [ 269.072976] ? sort_range+0x30/0x30 [ 269.076632] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.081751] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.087305] ? __kthread_parkme+0xfb/0x1a0 [ 269.091577] kthread+0x35a/0x420 [ 269.094964] ? sort_range+0x30/0x30 [ 269.098607] ? kthread_bind+0x40/0x40 [ 269.102459] ret_from_fork+0x3a/0x50 [ 269.106203] warn_alloc_show_mem: 1 callbacks suppressed [ 269.106216] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 269.106218] Mem-Info: [ 269.106256] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 269.106256] active_file:11 inactive_file:12 isolated_file:0 [ 269.106256] unevictable:0 dirty:0 writeback:0 unstable:0 [ 269.106256] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 269.106256] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 269.106256] free:13647 free_pcp:360 free_cma:0 [ 269.111601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.111610] Call Trace: [ 269.118994] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 269.121431] [ 269.154584] Node 0 [ 269.163963] dump_stack+0x1c4/0x2b6 [ 269.166557] 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 [ 269.194227] ? dump_stack_print_info.cold.1+0x20/0x20 [ 269.196367] lowmem_reserve[]: 0 [ 269.198655] warn_alloc.cold.119+0xb7/0x1bd [ 269.202255] 2819 6323 [ 269.227850] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 269.233028] 6323 [ 269.236318] ? lock_downgrade+0x900/0x900 [ 269.240630] Node 0 [ 269.243138] ? trace_hardirqs_off+0xb8/0x310 [ 269.247989] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 269.250039] ? trace_hardirqs_off+0xb8/0x310 [ 269.254168] lowmem_reserve[]: 0 [ 269.256520] __alloc_pages_slowpath+0x265e/0x2d70 [ 269.260903] 0 3503 [ 269.287769] ? warn_alloc+0x120/0x120 [ 269.292136] 3503 [ 269.295444] ? trace_hardirqs_on+0x310/0x310 [ 269.302546] ? warn_alloc+0x120/0x120 [ 269.306340] Node 0 [ 269.308438] ? print_usage_bug+0xc0/0xc0 [ 269.312863] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 269.316645] ? warn_alloc+0x120/0x120 [ 269.318874] lowmem_reserve[]: [ 269.322947] ? ktime_get+0x2e1/0x440 [ 269.351384] 0 0 [ 269.355225] ? print_usage_bug+0xc0/0xc0 [ 269.358323] 0 0 [ 269.362057] ? __lock_acquire+0x7ec/0x4ec0 [ 269.364027] Node 0 [ 269.368148] ? __lock_acquire+0x7ec/0x4ec0 [ 269.370115] DMA: [ 269.374358] ? kasan_check_read+0x11/0x20 [ 269.376584] 1*4kB [ 269.380828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.382880] (U) [ 269.387036] ? should_fail+0x22d/0xd01 [ 269.389169] 0*8kB 0*16kB [ 269.394732] ? rcu_bh_qs+0xc0/0xc0 [ 269.396688] 1*32kB (U) [ 269.400590] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.403336] 2*64kB (U) [ 269.406895] ? __lock_acquire+0x7ec/0x4ec0 [ 269.409463] 1*128kB (U) [ 269.414588] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.417160] 1*256kB (U) [ 269.421433] ? __lock_acquire+0x7ec/0x4ec0 [ 269.424096] 0*512kB 1*1024kB [ 269.429217] ? should_fail+0x22d/0xd01 [ 269.431891] (U) [ 269.436137] ? rcu_idle_enter+0x4b0/0x4b0 [ 269.439230] 1*2048kB (M) [ 269.443136] ? mark_held_locks+0x130/0x130 [ 269.445096] 3*4096kB (M) [ 269.449259] ? mark_held_locks+0x130/0x130 [ 269.452002] = 15908kB [ 269.452010] Node 0 [ 269.456254] ? mark_held_locks+0xc7/0x130 [ 269.459002] DMA32: 4*4kB [ 269.463256] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 269.465654] (UM) [ 269.467962] ? graph_lock+0x170/0x170 [ 269.472094] 2*8kB (UM) [ 269.474871] ? print_usage_bug+0xc0/0xc0 [ 269.479873] 2*16kB (M) [ 269.481956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.485744] 3*32kB [ 269.488423] ? check_preemption_disabled+0x48/0x280 [ 269.492476] (UM) [ 269.495082] ? check_preemption_disabled+0x48/0x280 [ 269.500609] 4*64kB [ 269.502863] ? __lock_is_held+0xb5/0x140 [ 269.507856] (M) 4*128kB [ 269.509942] __alloc_pages_nodemask+0xa80/0xde0 [ 269.514941] (UM) 3*256kB [ 269.517197] ? graph_lock+0x170/0x170 [ 269.521250] (M) [ 269.523933] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 269.528585] 3*512kB (M) [ 269.531361] ? graph_lock+0x170/0x170 [ 269.535147] 3*1024kB (UM) [ 269.537152] ? find_held_lock+0x36/0x1c0 [ 269.542150] 3*2048kB [ 269.544836] ? ____cache_alloc_node+0x1c7/0x1e0 [ 269.548618] (M) 3*4096kB [ 269.551485] ? lock_downgrade+0x900/0x900 [ 269.555532] (M) = 24736kB [ 269.557964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.562621] Node 0 [ 269.565390] cache_grow_begin+0x91/0x8c0 [ 269.569544] Normal: 592*4kB [ 269.572322] ? do_raw_spin_unlock+0xa7/0x330 [ 269.577842] (UMEH) 405*8kB [ 269.580105] fallback_alloc+0x203/0x2e0 [ 269.584157] (UMEH) [ 269.587188] ____cache_alloc_node+0x1c7/0x1e0 [ 269.591576] 177*16kB (UME) [ 269.594531] kmem_cache_alloc_node+0xe3/0x730 [ 269.598495] 103*32kB [ 269.600750] ? ipv6_get_ifaddr+0x42e/0x620 [ 269.605232] (UMH) 15*64kB [ 269.608189] __alloc_skb+0x119/0x770 [ 269.612670] (UMH) [ 269.615090] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.619311] 0*128kB [ 269.622165] ? skb_scrub_packet+0x490/0x490 [ 269.625871] 1*256kB [ 269.628031] ? lock_downgrade+0x900/0x900 [ 269.633297] (H) [ 269.635636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.639943] 0*512kB 1*1024kB [ 269.642289] ? refcount_sub_and_test_checked+0x203/0x310 [ 269.646436] (H) 0*2048kB [ 269.648455] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 269.653976] 0*4096kB = 13976kB [ 269.657099] ? addrconf_rs_timer+0x690/0x690 [ 269.662545] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 269.665311] ndisc_alloc_skb+0x144/0x340 [ 269.670748] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 269.673942] ndisc_send_rs+0x331/0x6e0 [ 269.678339] 1241 total pagecache pages [ 269.687187] addrconf_rs_timer+0x314/0x690 [ 269.691247] 0 pages in swap cache [ 269.699835] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.703711] Swap cache stats: add 0, delete 0, find 0/0 [ 269.703720] Free swap = 0kB [ 269.707642] call_timer_fn+0x272/0x920 [ 269.711860] Total swap = 0kB [ 269.715326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.719551] 1965979 pages RAM [ 269.724927] ? process_timeout+0x40/0x40 [ 269.727928] 0 pages HighMem/MovableOnly [ 269.727937] 342306 pages reserved [ 269.731834] ? find_held_lock+0x36/0x1c0 [ 269.731857] ? __run_timers+0x7da/0xc70 [ 269.734862] 0 pages cma reserved [ 269.734962] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 269.739119] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.739134] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.739151] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.742313] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 269.746331] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 269.750295] ksoftirqd/1 cpuset= [ 269.754065] ? trace_hardirqs_on+0xbd/0x310 [ 269.754075] ? kasan_check_read+0x11/0x20 [ 269.754085] ? __run_timers+0x7da/0xc70 [ 269.754094] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.754105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.754115] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.754123] __run_timers+0x7e5/0xc70 [ 269.754139] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 269.754149] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.754157] ? graph_lock+0x170/0x170 [ 269.754167] ? enqueue_hrtimer+0x1a5/0x560 [ 269.754173] ? lock_release+0x970/0x970 [ 269.754182] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 269.754193] ? find_held_lock+0x36/0x1c0 [ 269.754202] ? graph_lock+0x170/0x170 [ 269.754212] ? pvclock_read_flags+0x160/0x160 [ 269.754220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.754234] ? check_preemption_disabled+0x48/0x280 [ 269.754257] ? __lock_is_held+0xb5/0x140 [ 269.754271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.754286] ? check_preemption_disabled+0x48/0x280 [ 269.754306] run_timer_softirq+0x52/0xb0 [ 269.758367] / [ 269.762380] ? rcu_read_lock_sched_held+0x108/0x120 [ 269.765767] mems_allowed=0 [ 269.772269] __do_softirq+0x30c/0xb03 [ 269.917590] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 269.922796] ? pvclock_read_flags+0x160/0x160 [ 269.927324] ? lapic_next_event+0x5a/0x90 [ 269.931489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.937047] ? check_preemption_disabled+0x48/0x280 [ 269.942084] ? check_preemption_disabled+0x48/0x280 [ 269.947122] ? kvm_clock_read+0x18/0x30 [ 269.951112] ? kvm_sched_clock_read+0x9/0x20 [ 269.955538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.961095] ? check_preemption_disabled+0x48/0x280 [ 269.966142] irq_exit+0x17f/0x1c0 [ 269.969644] smp_apic_timer_interrupt+0x1cb/0x760 [ 269.974499] ? smp_reschedule_interrupt+0x109/0x650 [ 269.979533] ? smp_call_function_single_interrupt+0x650/0x650 [ 269.985459] ? interrupt_entry+0xb5/0xf0 [ 269.989538] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.994569] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.999604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.004477] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.009507] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.014606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.020164] ? check_preemption_disabled+0x48/0x280 [ 270.025193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.030759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.035635] apic_timer_interrupt+0xf/0x20 [ 270.039878] [ 270.042132] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 270.047075] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 270.066018] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 270.073753] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 270.081042] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 270.088324] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 270.095609] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 270.102894] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 270.110225] skb_clone+0x1bb/0x500 [ 270.113789] ? skb_split+0x11e0/0x11e0 [ 270.117698] ? check_preemption_disabled+0x48/0x280 [ 270.122744] ? __this_cpu_preempt_check+0x1c/0x20 [ 270.127604] ? __bpf_redirect+0x54b/0xb20 [ 270.131781] bpf_clone_redirect+0xb9/0x490 [ 270.136043] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 270.141256] ? __sched_text_start+0x8/0x8 [ 270.145467] ? find_held_lock+0x36/0x1c0 [ 270.149550] ? lock_acquire+0x1ed/0x520 [ 270.153542] ? bpf_test_run+0x3cb/0x780 [ 270.157535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.163093] ? check_preemption_disabled+0x48/0x280 [ 270.168194] ? kasan_check_read+0x11/0x20 [ 270.172366] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.177691] ? rcu_bh_qs+0xc0/0xc0 [ 270.181250] ? preempt_schedule+0x4d/0x60 [ 270.185441] ? ___preempt_schedule+0x16/0x18 [ 270.189876] ? bpf_test_run+0x25d/0x780 [ 270.193882] ? netlink_diag_dump+0x2a0/0x2a0 [ 270.198313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.203870] ? bpf_test_init.isra.10+0x70/0x100 [ 270.208562] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 270.213344] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 270.218202] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 270.223761] ? fput+0x130/0x1a0 [ 270.227057] ? __bpf_prog_get+0x9b/0x290 [ 270.231135] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 270.235991] ? bpf_prog_test_run+0x130/0x1a0 [ 270.240441] ? __x64_sys_bpf+0x3d8/0x520 [ 270.244524] ? bpf_prog_get+0x20/0x20 [ 270.248362] ? do_syscall_64+0x1b9/0x820 [ 270.252503] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 270.257883] ? syscall_return_slowpath+0x5e0/0x5e0 [ 270.262830] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.267870] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 270.272901] ? recalc_sigpending_tsk+0x180/0x180 [ 270.277680] ? kasan_check_write+0x14/0x20 [ 270.281937] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.286955] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 270.292354] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 270.292452] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 270.299320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.299325] Call Trace: [ 270.299344] dump_stack+0x1c4/0x2b6 [ 270.299362] ? dump_stack_print_info.cold.1+0x20/0x20 [ 270.299389] warn_alloc.cold.119+0xb7/0x1bd [ 270.306008] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 270.315317] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.317896] syz-executor0 cpuset= [ 270.321596] ? lock_downgrade+0x900/0x900 [ 270.326783] syz0 [ 270.331125] ? trace_hardirqs_off+0xb8/0x310 [ 270.341601] mems_allowed=0 [ 270.346469] ? trace_hardirqs_off+0xb8/0x310 [ 270.367906] __alloc_pages_slowpath+0x265e/0x2d70 [ 270.372795] ? warn_alloc+0x120/0x120 [ 270.376622] ? warn_alloc+0x120/0x120 [ 270.380464] ? print_usage_bug+0xc0/0xc0 [ 270.384547] ? warn_alloc+0x120/0x120 [ 270.388363] ? print_usage_bug+0xc0/0xc0 [ 270.392475] ? __lock_acquire+0x7ec/0x4ec0 [ 270.396736] ? __lock_acquire+0x7ec/0x4ec0 [ 270.400994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.406537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.412090] ? should_fail+0x22d/0xd01 [ 270.416008] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.421132] ? __lock_acquire+0x7ec/0x4ec0 [ 270.425391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 270.430534] ? __lock_acquire+0x7ec/0x4ec0 [ 270.434787] ? should_fail+0x22d/0xd01 [ 270.438701] ? mark_held_locks+0x130/0x130 [ 270.442960] ? mark_held_locks+0x130/0x130 [ 270.447216] ? graph_lock+0x170/0x170 [ 270.451043] ? print_usage_bug+0xc0/0xc0 [ 270.455122] ? graph_lock+0x170/0x170 [ 270.458939] ? print_usage_bug+0xc0/0xc0 [ 270.463015] ? wq_watchdog_touch+0x9c/0xfe [ 270.467265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.472825] ? check_preemption_disabled+0x48/0x280 [ 270.477859] ? check_preemption_disabled+0x48/0x280 [ 270.482909] ? __lock_is_held+0xb5/0x140 [ 270.487014] __alloc_pages_nodemask+0xa80/0xde0 [ 270.491712] ? graph_lock+0x170/0x170 [ 270.495536] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 270.500565] ? graph_lock+0x170/0x170 [ 270.504394] ? find_held_lock+0x36/0x1c0 [ 270.508508] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.513195] ? lock_downgrade+0x900/0x900 [ 270.517375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.522960] cache_grow_begin+0x91/0x8c0 [ 270.527039] ? do_raw_spin_unlock+0xa7/0x330 [ 270.531481] fallback_alloc+0x203/0x2e0 [ 270.535484] ____cache_alloc_node+0x1c7/0x1e0 [ 270.540001] kmem_cache_alloc_node+0xe3/0x730 [ 270.544512] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.548774] __alloc_skb+0x119/0x770 [ 270.552511] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.557835] ? skb_scrub_packet+0x490/0x490 [ 270.562176] ? lock_downgrade+0x900/0x900 [ 270.566346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.571903] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.577371] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.582862] ? addrconf_rs_timer+0x690/0x690 [ 270.587300] ndisc_alloc_skb+0x144/0x340 [ 270.591383] ndisc_send_rs+0x331/0x6e0 [ 270.595318] addrconf_rs_timer+0x314/0x690 [ 270.599595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.603864] call_timer_fn+0x272/0x920 [ 270.607771] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.612025] ? process_timeout+0x40/0x40 [ 270.616101] ? find_held_lock+0x36/0x1c0 [ 270.620188] ? __run_timers+0x7da/0xc70 [ 270.624477] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.628989] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.633504] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.637755] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 270.642353] ? trace_hardirqs_on+0xbd/0x310 [ 270.646700] ? kasan_check_read+0x11/0x20 [ 270.651018] ? __run_timers+0x7da/0xc70 [ 270.655011] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.660486] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.664746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.668996] __run_timers+0x7e5/0xc70 [ 270.672832] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 270.678216] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.682736] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.687251] ? lockdep_hardirqs_on+0x421/0x5c0 [ 270.691853] ? trace_hardirqs_on+0xbd/0x310 [ 270.696193] ? kasan_check_read+0x11/0x20 [ 270.700361] ? finish_task_switch+0x1f4/0x910 [ 270.704897] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.710364] ? compat_start_thread+0x80/0x80 [ 270.714818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.720375] ? _raw_spin_unlock_irq+0x60/0x80 [ 270.724919] ? pvclock_read_flags+0x160/0x160 [ 270.729454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.735016] ? check_preemption_disabled+0x48/0x280 [ 270.740060] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.745354] ? rcu_pm_notify+0xc0/0xc0 [ 270.749260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.754817] ? check_preemption_disabled+0x48/0x280 [ 270.759861] run_timer_softirq+0x52/0xb0 [ 270.763940] ? rcu_read_lock_sched_held+0x108/0x120 [ 270.768971] __do_softirq+0x30c/0xb03 [ 270.772798] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 270.778352] ? trace_hardirqs_off+0x310/0x310 [ 270.782887] ? trace_hardirqs_on+0x310/0x310 [ 270.787317] ? schedule+0x108/0x460 [ 270.790964] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.795745] ? trace_hardirqs_off+0xb8/0x310 [ 270.800170] ? smpboot_thread_fn+0x68b/0xa00 [ 270.804599] ? trace_hardirqs_on+0x310/0x310 [ 270.809023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.814575] ? check_preemption_disabled+0x48/0x280 [ 270.819618] ? takeover_tasklets+0xa90/0xa90 [ 270.824049] run_ksoftirqd+0x94/0x100 [ 270.827866] smpboot_thread_fn+0x68b/0xa00 [ 270.832118] ? sort_range+0x30/0x30 [ 270.835775] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 270.840998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.846554] ? __kthread_parkme+0xfb/0x1a0 [ 270.850815] kthread+0x35a/0x420 [ 270.854199] ? sort_range+0x30/0x30 [ 270.857846] ? kthread_bind+0x40/0x40 [ 270.861667] ret_from_fork+0x3a/0x50 [ 270.865433] warn_alloc_show_mem: 1 callbacks suppressed [ 270.865445] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 270.865447] Mem-Info: [ 270.865477] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 270.865477] active_file:11 inactive_file:12 isolated_file:0 [ 270.865477] unevictable:0 dirty:0 writeback:0 unstable:0 [ 270.865477] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 270.865477] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 270.865477] free:13647 free_pcp:360 free_cma:0 [ 270.870832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.878209] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 270.880623] Call Trace: [ 270.913684] Node 0 [ 270.923107] [ 270.950810] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 270.953387] dump_stack+0x1c4/0x2b6 [ 270.955639] lowmem_reserve[]: [ 270.957799] ? dump_stack_print_info.cold.1+0x20/0x20 [ 270.983456] 0 2819 [ 270.987114] warn_alloc.cold.119+0xb7/0x1bd [ 270.990193] 6323 6323 [ 270.995424] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.997653] Node 0 [ 271.001986] ? lock_downgrade+0x900/0x900 [ 271.004504] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 271.009333] ? trace_hardirqs_off+0xb8/0x310 [ 271.011548] lowmem_reserve[]: 0 [ 271.015714] ? trace_hardirqs_off+0xb8/0x310 [ 271.042444] 0 3503 [ 271.046887] __alloc_pages_slowpath+0x265e/0x2d70 [ 271.050284] 3503 [ 271.054741] ? warn_alloc+0x120/0x120 [ 271.056942] Node 0 [ 271.061793] ? warn_alloc+0x120/0x120 [ 271.063870] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 271.067658] ? print_usage_bug+0xc0/0xc0 [ 271.069881] lowmem_reserve[]: 0 [ 271.073702] ? warn_alloc+0x120/0x120 [ 271.102143] 0 0 [ 271.106235] ? print_usage_bug+0xc0/0xc0 [ 271.109500] 0 [ 271.113321] ? __lock_acquire+0x7ec/0x4ec0 [ 271.115288] Node 0 [ 271.119359] ? __lock_acquire+0x7ec/0x4ec0 [ 271.121151] DMA: [ 271.125393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.127645] 1*4kB [ 271.131889] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.133944] (U) [ 271.139494] ? should_fail+0x22d/0xd01 [ 271.141689] 0*8kB 0*16kB [ 271.147248] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.149212] 1*32kB (U) [ 271.153116] ? __lock_acquire+0x7ec/0x4ec0 [ 271.155869] 2*64kB (U) [ 271.160988] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.163577] 1*128kB (U) [ 271.167912] ? __lock_acquire+0x7ec/0x4ec0 [ 271.170483] 1*256kB (U) [ 271.175606] ? should_fail+0x22d/0xd01 [ 271.178262] 0*512kB 1*1024kB [ 271.182521] ? mark_held_locks+0x130/0x130 [ 271.185174] (U) 1*2048kB [ 271.189182] ? mark_held_locks+0x130/0x130 [ 271.192277] (M) [ 271.196528] ? graph_lock+0x170/0x170 [ 271.199279] 3*4096kB [ 271.203521] ? print_usage_bug+0xc0/0xc0 [ 271.205488] (M) [ 271.209295] ? graph_lock+0x170/0x170 [ 271.211701] = 15908kB [ 271.215776] ? print_usage_bug+0xc0/0xc0 [ 271.217750] Node 0 [ 271.221562] ? wq_watchdog_touch+0x9c/0xfe [ 271.223985] DMA32: [ 271.228058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.230288] 4*4kB [ 271.234533] ? check_preemption_disabled+0x48/0x280 [ 271.236763] (UM) [ 271.242310] ? check_preemption_disabled+0x48/0x280 [ 271.244452] 2*8kB (UM) [ 271.249499] ? __lock_is_held+0xb5/0x140 [ 271.251538] 2*16kB (M) [ 271.256572] __alloc_pages_nodemask+0xa80/0xde0 [ 271.259163] 3*32kB (UM) [ 271.263245] ? graph_lock+0x170/0x170 [ 271.265821] 4*64kB [ 271.270501] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 271.273166] (M) [ 271.276973] ? graph_lock+0x170/0x170 [ 271.279197] 4*128kB (UM) [ 271.284239] ? find_held_lock+0x36/0x1c0 [ 271.286218] 3*256kB [ 271.290033] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.292835] (M) [ 271.296903] ? lock_downgrade+0x900/0x900 [ 271.299215] 3*512kB (M) [ 271.303908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.305870] 3*1024kB [ 271.310030] cache_grow_begin+0x91/0x8c0 [ 271.312689] (UM) [ 271.318238] ? do_raw_spin_unlock+0xa7/0x330 [ 271.320648] 3*2048kB [ 271.324811] fallback_alloc+0x203/0x2e0 [ 271.326862] (M) [ 271.331438] ____cache_alloc_node+0x1c7/0x1e0 [ 271.333840] 3*4096kB (M) [ 271.337838] kmem_cache_alloc_node+0xe3/0x730 [ 271.339891] = 24736kB [ 271.344420] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.344445] __alloc_skb+0x119/0x770 [ 271.347192] Node 0 [ 271.351706] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.354098] Normal: 592*4kB [ 271.358349] ? skb_scrub_packet+0x490/0x490 [ 271.362052] (UMEH) [ 271.364301] ? lock_downgrade+0x900/0x900 [ 271.369620] 405*8kB (UMEH) [ 271.372662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.376961] 177*16kB (UME) [ 271.379220] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.383353] 103*32kB (UMH) [ 271.386305] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.391833] 15*64kB [ 271.394776] ? addrconf_rs_timer+0x690/0x690 [ 271.400218] (UMH) [ 271.403169] ndisc_alloc_skb+0x144/0x340 [ 271.408648] 0*128kB 1*256kB [ 271.410991] ndisc_send_rs+0x331/0x6e0 [ 271.415383] (H) 0*512kB [ 271.417576] addrconf_rs_timer+0x314/0x690 [ 271.421622] 1*1024kB (H) [ 271.424662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.428538] 0*2048kB [ 271.431228] call_timer_fn+0x272/0x920 [ 271.435460] 0*4096kB = 13976kB [ 271.438236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.442482] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 271.444900] ? process_timeout+0x40/0x40 [ 271.448780] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 271.451976] ? find_held_lock+0x36/0x1c0 [ 271.456202] 1241 total pagecache pages [ 271.465056] ? __run_timers+0x7da/0xc70 [ 271.469114] 0 pages in swap cache [ 271.477818] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.481871] Swap cache stats: add 0, delete 0, find 0/0 [ 271.485768] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.489748] Free swap = 0kB [ 271.493271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.497751] Total swap = 0kB [ 271.497759] 1965979 pages RAM [ 271.503135] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 271.507616] 0 pages HighMem/MovableOnly [ 271.507625] 342306 pages reserved [ 271.510655] ? trace_hardirqs_on+0xbd/0x310 [ 271.514882] 0 pages cma reserved [ 271.517918] ? kasan_check_read+0x11/0x20 [ 271.521080] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.525607] ? __run_timers+0x7da/0xc70 [ 271.529656] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.533034] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.537348] ksoftirqd/1 cpuset= [ 271.540722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.544951] / [ 271.551466] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.555455] mems_allowed=0 [ 271.565776] __run_timers+0x7e5/0xc70 [ 271.591456] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 271.596837] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.601880] ? graph_lock+0x170/0x170 [ 271.605701] ? enqueue_hrtimer+0x1a5/0x560 [ 271.609952] ? lock_release+0x970/0x970 [ 271.613945] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 271.619154] ? find_held_lock+0x36/0x1c0 [ 271.623232] ? graph_lock+0x170/0x170 [ 271.627051] ? pvclock_read_flags+0x160/0x160 [ 271.631569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.637123] ? check_preemption_disabled+0x48/0x280 [ 271.642169] ? __lock_is_held+0xb5/0x140 [ 271.646253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.651806] ? check_preemption_disabled+0x48/0x280 [ 271.656852] run_timer_softirq+0x52/0xb0 [ 271.660930] ? rcu_read_lock_sched_held+0x108/0x120 [ 271.665963] __do_softirq+0x30c/0xb03 [ 271.669792] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 271.674920] ? pvclock_read_flags+0x160/0x160 [ 271.679481] ? lapic_next_event+0x5a/0x90 [ 271.683645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.689200] ? check_preemption_disabled+0x48/0x280 [ 271.694230] ? check_preemption_disabled+0x48/0x280 [ 271.699319] ? kvm_clock_read+0x18/0x30 [ 271.703308] ? kvm_sched_clock_read+0x9/0x20 [ 271.707739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.713291] ? check_preemption_disabled+0x48/0x280 [ 271.718340] irq_exit+0x17f/0x1c0 [ 271.721815] smp_apic_timer_interrupt+0x1cb/0x760 [ 271.726758] ? smp_reschedule_interrupt+0x109/0x650 [ 271.731791] ? smp_call_function_single_interrupt+0x650/0x650 [ 271.737699] ? interrupt_entry+0xb5/0xf0 [ 271.741782] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.746813] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.751847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.756971] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.762006] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.767037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.772595] ? check_preemption_disabled+0x48/0x280 [ 271.777624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.783229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.788095] apic_timer_interrupt+0xf/0x20 [ 271.792341] [ 271.794597] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 271.799543] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 271.818562] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 271.826378] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 271.833690] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 271.840971] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 271.848450] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 271.855738] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 271.863065] skb_clone+0x1bb/0x500 [ 271.866626] ? skb_split+0x11e0/0x11e0 [ 271.870532] ? check_preemption_disabled+0x48/0x280 [ 271.875574] ? __this_cpu_preempt_check+0x1c/0x20 [ 271.880453] ? __bpf_redirect+0x54b/0xb20 [ 271.884624] bpf_clone_redirect+0xb9/0x490 [ 271.888882] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 271.893923] ? __sched_text_start+0x8/0x8 [ 271.898105] ? find_held_lock+0x36/0x1c0 [ 271.902192] ? lock_acquire+0x1ed/0x520 [ 271.906182] ? bpf_test_run+0x3cb/0x780 [ 271.910182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.915740] ? check_preemption_disabled+0x48/0x280 [ 271.920780] ? kasan_check_read+0x11/0x20 [ 271.925084] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.930377] ? rcu_bh_qs+0xc0/0xc0 [ 271.933957] ? preempt_schedule+0x4d/0x60 [ 271.938120] ? ___preempt_schedule+0x16/0x18 [ 271.942554] ? bpf_test_run+0x25d/0x780 [ 271.946564] ? netlink_diag_dump+0x2a0/0x2a0 [ 271.950990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.956544] ? bpf_test_init.isra.10+0x70/0x100 [ 271.961233] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 271.966017] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 271.970875] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 271.976448] ? fput+0x130/0x1a0 [ 271.979751] ? __bpf_prog_get+0x9b/0x290 [ 271.983834] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 271.988696] ? bpf_prog_test_run+0x130/0x1a0 [ 271.993215] ? __x64_sys_bpf+0x3d8/0x520 [ 271.997290] ? bpf_prog_get+0x20/0x20 [ 272.001127] ? do_syscall_64+0x1b9/0x820 [ 272.005208] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 272.010591] ? syscall_return_slowpath+0x5e0/0x5e0 [ 272.015538] ? trace_hardirqs_on_caller+0x310/0x310 [ 272.020571] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 272.025606] ? recalc_sigpending_tsk+0x180/0x180 [ 272.030378] ? kasan_check_write+0x14/0x20 [ 272.034665] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.039536] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 272.044931] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 272.045001] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 272.051874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.051880] Call Trace: [ 272.051900] dump_stack+0x1c4/0x2b6 [ 272.051924] ? dump_stack_print_info.cold.1+0x20/0x20 [ 272.058524] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 272.067817] warn_alloc.cold.119+0xb7/0x1bd [ 272.070383] syz-executor0 cpuset= [ 272.074039] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 272.079216] syz0 [ 272.089716] ? lock_downgrade+0x900/0x900 [ 272.094033] mems_allowed=0 [ 272.097496] ? trace_hardirqs_off+0xb8/0x310 [ 272.115835] ? trace_hardirqs_off+0xb8/0x310 [ 272.120272] __alloc_pages_slowpath+0x265e/0x2d70 [ 272.125159] ? warn_alloc+0x120/0x120 [ 272.128979] ? warn_alloc+0x120/0x120 [ 272.132800] ? print_usage_bug+0xc0/0xc0 [ 272.136875] ? warn_alloc+0x120/0x120 [ 272.140691] ? print_usage_bug+0xc0/0xc0 [ 272.144771] ? __lock_acquire+0x7ec/0x4ec0 [ 272.149022] ? __lock_acquire+0x7ec/0x4ec0 [ 272.153275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.158835] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.164434] ? should_fail+0x22d/0xd01 [ 272.168343] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.173539] ? __lock_acquire+0x7ec/0x4ec0 [ 272.177799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.182914] ? __lock_acquire+0x7ec/0x4ec0 [ 272.187160] ? should_fail+0x22d/0xd01 [ 272.191072] ? mark_held_locks+0x130/0x130 [ 272.195328] ? mark_held_locks+0x130/0x130 [ 272.199583] ? mark_held_locks+0xc7/0x130 [ 272.203744] ? print_usage_bug+0xc0/0xc0 [ 272.207824] ? graph_lock+0x170/0x170 [ 272.211645] ? print_usage_bug+0xc0/0xc0 [ 272.215728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.221288] ? check_preemption_disabled+0x48/0x280 [ 272.226325] ? check_preemption_disabled+0x48/0x280 [ 272.231372] ? __lock_is_held+0xb5/0x140 [ 272.235481] __alloc_pages_nodemask+0xa80/0xde0 [ 272.240169] ? graph_lock+0x170/0x170 [ 272.243996] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 272.249111] ? graph_lock+0x170/0x170 [ 272.252940] ? find_held_lock+0x36/0x1c0 [ 272.257030] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.261716] ? lock_downgrade+0x900/0x900 [ 272.265886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.271470] cache_grow_begin+0x91/0x8c0 [ 272.275555] ? do_raw_spin_unlock+0xa7/0x330 [ 272.279989] fallback_alloc+0x203/0x2e0 [ 272.283985] ____cache_alloc_node+0x1c7/0x1e0 [ 272.288505] kmem_cache_alloc_node+0xe3/0x730 [ 272.293017] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.297279] __alloc_skb+0x119/0x770 [ 272.301016] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.306311] ? skb_scrub_packet+0x490/0x490 [ 272.310653] ? lock_downgrade+0x900/0x900 [ 272.314826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.320379] ? refcount_sub_and_test_checked+0x203/0x310 [ 272.325881] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 272.331359] ? addrconf_rs_timer+0x690/0x690 [ 272.335824] ndisc_alloc_skb+0x144/0x340 [ 272.339905] ndisc_send_rs+0x331/0x6e0 [ 272.343835] addrconf_rs_timer+0x314/0x690 [ 272.348095] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.352365] call_timer_fn+0x272/0x920 [ 272.356297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.360553] ? process_timeout+0x40/0x40 [ 272.364629] ? find_held_lock+0x36/0x1c0 [ 272.368782] ? __run_timers+0x7da/0xc70 [ 272.372778] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.377291] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.381805] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.386054] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 272.390653] ? trace_hardirqs_on+0xbd/0x310 [ 272.394990] ? kasan_check_read+0x11/0x20 [ 272.399157] ? __run_timers+0x7da/0xc70 [ 272.403149] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.408620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.412880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.417133] __run_timers+0x7e5/0xc70 [ 272.420967] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 272.426351] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.430863] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.435386] ? lockdep_hardirqs_on+0x421/0x5c0 [ 272.440012] ? trace_hardirqs_on+0xbd/0x310 [ 272.444348] ? kasan_check_read+0x11/0x20 [ 272.448513] ? finish_task_switch+0x1f4/0x910 [ 272.453028] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.458495] ? compat_start_thread+0x80/0x80 [ 272.462926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.468484] ? _raw_spin_unlock_irq+0x60/0x80 [ 272.473000] ? pvclock_read_flags+0x160/0x160 [ 272.477509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.483056] ? check_preemption_disabled+0x48/0x280 [ 272.488095] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.493380] ? rcu_pm_notify+0xc0/0xc0 [ 272.497291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.502839] ? check_preemption_disabled+0x48/0x280 [ 272.507868] run_timer_softirq+0x52/0xb0 [ 272.511933] ? rcu_read_lock_sched_held+0x108/0x120 [ 272.516956] __do_softirq+0x30c/0xb03 [ 272.520774] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 272.525878] ? trace_hardirqs_off+0x310/0x310 [ 272.530375] ? trace_hardirqs_on+0x310/0x310 [ 272.534800] ? schedule+0x108/0x460 [ 272.538435] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.543200] ? trace_hardirqs_off+0xb8/0x310 [ 272.547616] ? smpboot_thread_fn+0x68b/0xa00 [ 272.552039] ? trace_hardirqs_on+0x310/0x310 [ 272.556472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.562057] ? check_preemption_disabled+0x48/0x280 [ 272.567101] ? takeover_tasklets+0xa90/0xa90 [ 272.571515] run_ksoftirqd+0x94/0x100 [ 272.575321] smpboot_thread_fn+0x68b/0xa00 [ 272.579566] ? sort_range+0x30/0x30 [ 272.583202] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 272.588331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.593879] ? __kthread_parkme+0xfb/0x1a0 [ 272.598129] kthread+0x35a/0x420 [ 272.601503] ? sort_range+0x30/0x30 [ 272.605141] ? kthread_bind+0x40/0x40 [ 272.608952] ret_from_fork+0x3a/0x50 [ 272.612697] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 272.612702] warn_alloc_show_mem: 1 callbacks suppressed [ 272.612710] Mem-Info: [ 272.620077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.625634] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 272.625634] active_file:11 inactive_file:12 isolated_file:0 [ 272.625634] unevictable:0 dirty:0 writeback:0 unstable:0 [ 272.625634] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 272.625634] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 272.625634] free:13647 free_pcp:360 free_cma:0 [ 272.628008] Call Trace: [ 272.637389] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 272.670424] [ 272.672999] Node 0 [ 272.700673] dump_stack+0x1c4/0x2b6 [ 272.702827] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 272.705036] ? dump_stack_print_info.cold.1+0x20/0x20 [ 272.708639] lowmem_reserve[]: [ 272.734152] warn_alloc.cold.119+0xb7/0x1bd [ 272.739304] 0 2819 [ 272.742461] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 272.746760] 6323 [ 272.748993] ? lock_downgrade+0x900/0x900 [ 272.753810] 6323 [ 272.755872] ? trace_hardirqs_off+0xb8/0x310 [ 272.759990] Node 0 [ 272.762054] ? trace_hardirqs_off+0xb8/0x310 [ 272.766462] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 272.768675] __alloc_pages_slowpath+0x265e/0x2d70 [ 272.773044] lowmem_reserve[]: 0 [ 272.799798] ? warn_alloc+0x120/0x120 [ 272.804592] 0 [ 272.807864] ? trace_hardirqs_on+0x310/0x310 [ 272.807880] ? warn_alloc+0x120/0x120 [ 272.811654] 3503 3503 [ 272.813460] ? print_usage_bug+0xc0/0xc0 [ 272.821639] ? warn_alloc+0x120/0x120 [ 272.824120] Node 0 [ 272.828201] ? ktime_get+0x2e1/0x440 [ 272.832004] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 272.834209] ? print_usage_bug+0xc0/0xc0 [ 272.837894] lowmem_reserve[]: 0 [ 272.866362] ? __lock_acquire+0x7ec/0x4ec0 [ 272.870435] 0 [ 272.873708] ? __lock_acquire+0x7ec/0x4ec0 [ 272.877921] 0 [ 272.879723] ? kasan_check_read+0x11/0x20 [ 272.883930] 0 [ 272.885741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.891655] ? should_fail+0x22d/0xd01 [ 272.897172] Node 0 [ 272.901071] ? rcu_bh_qs+0xc0/0xc0 [ 272.901074] DMA: 1*4kB [ 272.903330] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.906844] (U) [ 272.909430] ? __lock_acquire+0x7ec/0x4ec0 [ 272.914508] 0*8kB [ 272.916479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.920686] 0*16kB [ 272.922831] ? __lock_acquire+0x7ec/0x4ec0 [ 272.927909] 1*32kB (U) [ 272.930153] ? should_fail+0x22d/0xd01 [ 272.934360] 2*64kB (U) [ 272.936952] ? rcu_idle_enter+0x4b0/0x4b0 [ 272.940815] 1*128kB (U) [ 272.943436] ? mark_held_locks+0x130/0x130 [ 272.947575] 1*256kB [ 272.950244] ? mark_held_locks+0x130/0x130 [ 272.954483] (U) [ 272.956823] ? mark_held_locks+0xc7/0x130 [ 272.961037] 0*512kB [ 272.963008] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 272.967128] 1*1024kB [ 272.969449] ? graph_lock+0x170/0x170 [ 272.974442] (U) [ 272.976851] ? print_usage_bug+0xc0/0xc0 [ 272.980625] 1*2048kB (M) [ 272.982609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.986637] 3*4096kB (M) [ 272.989407] ? check_preemption_disabled+0x48/0x280 [ 272.994917] = 15908kB [ 272.997673] ? check_preemption_disabled+0x48/0x280 [ 273.002667] Node 0 [ 273.005080] ? __lock_is_held+0xb5/0x140 [ 273.010058] DMA32: 4*4kB [ 273.012296] __alloc_pages_nodemask+0xa80/0xde0 [ 273.016346] (UM) [ 273.019099] ? graph_lock+0x170/0x170 [ 273.023744] 2*8kB [ 273.025802] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 273.029609] (UM) [ 273.031760] ? graph_lock+0x170/0x170 [ 273.036753] 2*16kB [ 273.038818] ? find_held_lock+0x36/0x1c0 [ 273.042590] (M) [ 273.044824] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.048855] 3*32kB [ 273.050827] ? lock_downgrade+0x900/0x900 [ 273.055477] (UM) [ 273.057716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.061842] 4*64kB [ 273.063904] cache_grow_begin+0x91/0x8c0 [ 273.069435] (M) [ 273.071666] ? do_raw_spin_unlock+0xa7/0x330 [ 273.075702] 4*128kB [ 273.077710] fallback_alloc+0x203/0x2e0 [ 273.082121] (UM) [ 273.084487] ____cache_alloc_node+0x1c7/0x1e0 [ 273.088451] 3*256kB [ 273.090515] kmem_cache_alloc_node+0xe3/0x730 [ 273.094975] (M) 3*512kB [ 273.097302] ? ipv6_get_ifaddr+0x42e/0x620 [ 273.101769] (M) [ 273.104440] __alloc_skb+0x119/0x770 [ 273.108646] 3*1024kB [ 273.110617] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.114300] (UM) [ 273.116703] ? skb_scrub_packet+0x490/0x490 [ 273.121956] 3*2048kB [ 273.124017] ? lock_downgrade+0x900/0x900 [ 273.128308] (M) 3*4096kB [ 273.130732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.134838] (M) = 24736kB [ 273.137600] ? refcount_sub_and_test_checked+0x203/0x310 [ 273.143111] Node 0 [ 273.145867] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 273.151290] Normal: [ 273.153517] ? addrconf_rs_timer+0x690/0x690 [ 273.158942] 592*4kB [ 273.161266] ndisc_alloc_skb+0x144/0x340 [ 273.165638] (UMEH) 405*8kB [ 273.167971] ndisc_send_rs+0x331/0x6e0 [ 273.172000] (UMEH) 177*16kB [ 273.174934] addrconf_rs_timer+0x314/0x690 [ 273.178797] (UME) [ 273.181809] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.186014] 103*32kB (UMH) [ 273.188178] call_timer_fn+0x272/0x920 [ 273.192383] 15*64kB [ 273.195315] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.199177] (UMH) [ 273.201499] ? process_timeout+0x40/0x40 [ 273.205729] 0*128kB [ 273.207875] ? find_held_lock+0x36/0x1c0 [ 273.211906] 1*256kB (H) [ 273.214264] ? __run_timers+0x7da/0xc70 [ 273.218288] 0*512kB 1*1024kB [ 273.220961] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.224909] (H) [ 273.228012] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.232476] 0*2048kB 0*4096kB [ 273.234454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.238924] = 13976kB [ 273.242107] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 273.246348] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 273.248754] ? trace_hardirqs_on+0xbd/0x310 [ 273.253312] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 273.253321] 1241 total pagecache pages [ 273.262154] ? kasan_check_read+0x11/0x20 [ 273.266456] 0 pages in swap cache [ 273.275021] ? __run_timers+0x7da/0xc70 [ 273.278890] Swap cache stats: add 0, delete 0, find 0/0 [ 273.283027] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.286455] Free swap = 0kB [ 273.290426] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.295770] Total swap = 0kB [ 273.301213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.304243] 1965979 pages RAM [ 273.308481] __run_timers+0x7e5/0xc70 [ 273.311478] 0 pages HighMem/MovableOnly [ 273.315712] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 273.318779] 342306 pages reserved [ 273.318787] 0 pages cma reserved [ 273.322584] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.326603] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.331888] ? graph_lock+0x170/0x170 [ 273.335389] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.338681] ? enqueue_hrtimer+0x1a5/0x560 [ 273.343673] ksoftirqd/1 cpuset= [ 273.350163] ? lock_release+0x970/0x970 [ 273.350178] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.353959] / [ 273.364297] ? find_held_lock+0x36/0x1c0 [ 273.368508] mems_allowed=0 [ 273.371782] ? graph_lock+0x170/0x170 [ 273.393370] ? pvclock_read_flags+0x160/0x160 [ 273.397873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.403468] ? check_preemption_disabled+0x48/0x280 [ 273.408525] ? __lock_is_held+0xb5/0x140 [ 273.412589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.418127] ? check_preemption_disabled+0x48/0x280 [ 273.423157] run_timer_softirq+0x52/0xb0 [ 273.427219] ? rcu_read_lock_sched_held+0x108/0x120 [ 273.432235] __do_softirq+0x30c/0xb03 [ 273.436053] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 273.441160] ? pvclock_read_flags+0x160/0x160 [ 273.445659] ? lapic_next_event+0x5a/0x90 [ 273.449811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.455379] ? check_preemption_disabled+0x48/0x280 [ 273.460454] ? check_preemption_disabled+0x48/0x280 [ 273.465480] ? kvm_clock_read+0x18/0x30 [ 273.469456] ? kvm_sched_clock_read+0x9/0x20 [ 273.473867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.479444] ? check_preemption_disabled+0x48/0x280 [ 273.484485] irq_exit+0x17f/0x1c0 [ 273.487968] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.492843] ? smp_reschedule_interrupt+0x109/0x650 [ 273.497874] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.503766] ? interrupt_entry+0xb5/0xf0 [ 273.507866] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.512886] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.517906] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.522763] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.527830] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.532846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.538385] ? check_preemption_disabled+0x48/0x280 [ 273.543418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.548968] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.553823] apic_timer_interrupt+0xf/0x20 [ 273.558056] [ 273.560297] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 273.565228] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 273.584131] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 273.591846] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 273.599114] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 273.606381] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 273.613659] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 273.620928] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 273.628236] skb_clone+0x1bb/0x500 [ 273.631868] ? skb_split+0x11e0/0x11e0 [ 273.635760] ? check_preemption_disabled+0x48/0x280 [ 273.640786] ? __this_cpu_preempt_check+0x1c/0x20 [ 273.645649] ? __bpf_redirect+0x54b/0xb20 [ 273.649812] bpf_clone_redirect+0xb9/0x490 [ 273.654057] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 273.659079] ? __sched_text_start+0x8/0x8 [ 273.663242] ? find_held_lock+0x36/0x1c0 [ 273.667325] ? lock_acquire+0x1ed/0x520 [ 273.671304] ? bpf_test_run+0x3cb/0x780 [ 273.675284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.680821] ? check_preemption_disabled+0x48/0x280 [ 273.685850] ? kasan_check_read+0x11/0x20 [ 273.690003] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.695283] ? rcu_bh_qs+0xc0/0xc0 [ 273.698829] ? preempt_schedule+0x4d/0x60 [ 273.702982] ? ___preempt_schedule+0x16/0x18 [ 273.707435] ? bpf_test_run+0x25d/0x780 [ 273.711460] ? netlink_diag_dump+0x2a0/0x2a0 [ 273.715894] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.721437] ? bpf_test_init.isra.10+0x70/0x100 [ 273.726145] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 273.730926] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 273.735768] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 273.741317] ? fput+0x130/0x1a0 [ 273.744602] ? __bpf_prog_get+0x9b/0x290 [ 273.748667] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 273.753508] ? bpf_prog_test_run+0x130/0x1a0 [ 273.758111] ? __x64_sys_bpf+0x3d8/0x520 [ 273.762174] ? bpf_prog_get+0x20/0x20 [ 273.766000] ? do_syscall_64+0x1b9/0x820 [ 273.770088] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 273.775512] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.780479] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.785516] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 273.790565] ? recalc_sigpending_tsk+0x180/0x180 [ 273.795324] ? kasan_check_write+0x14/0x20 [ 273.799570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.804430] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 273.809815] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 273.809884] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.816771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.816776] Call Trace: [ 273.816795] dump_stack+0x1c4/0x2b6 [ 273.816813] ? dump_stack_print_info.cold.1+0x20/0x20 [ 273.816839] warn_alloc.cold.119+0xb7/0x1bd [ 273.823371] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.832651] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.835217] syz-executor0 cpuset= [ 273.838873] ? lock_downgrade+0x900/0x900 [ 273.844039] syz0 [ 273.848357] ? trace_hardirqs_off+0xb8/0x310 [ 273.858816] mems_allowed=0 [ 273.863677] ? trace_hardirqs_off+0xb8/0x310 [ 273.884955] __alloc_pages_slowpath+0x265e/0x2d70 [ 273.889829] ? warn_alloc+0x120/0x120 [ 273.893640] ? warn_alloc+0x120/0x120 [ 273.897446] ? print_usage_bug+0xc0/0xc0 [ 273.901510] ? warn_alloc+0x120/0x120 [ 273.905316] ? print_usage_bug+0xc0/0xc0 [ 273.909382] ? __lock_acquire+0x7ec/0x4ec0 [ 273.913629] ? __lock_acquire+0x7ec/0x4ec0 [ 273.917869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.923431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.928972] ? should_fail+0x22d/0xd01 [ 273.932870] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.937979] ? __lock_acquire+0x7ec/0x4ec0 [ 273.942223] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.947336] ? __lock_acquire+0x7ec/0x4ec0 [ 273.951574] ? should_fail+0x22d/0xd01 [ 273.955488] ? mark_held_locks+0x130/0x130 [ 273.959743] ? mark_held_locks+0x130/0x130 [ 273.963985] ? graph_lock+0x170/0x170 [ 273.967804] ? print_usage_bug+0xc0/0xc0 [ 273.971872] ? graph_lock+0x170/0x170 [ 273.975677] ? print_usage_bug+0xc0/0xc0 [ 273.979740] ? wq_watchdog_touch+0x9c/0xfe [ 273.983982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.989524] ? check_preemption_disabled+0x48/0x280 [ 273.994557] ? check_preemption_disabled+0x48/0x280 [ 273.999586] ? __lock_is_held+0xb5/0x140 [ 274.003662] __alloc_pages_nodemask+0xa80/0xde0 [ 274.008347] ? graph_lock+0x170/0x170 [ 274.012153] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 274.017172] ? graph_lock+0x170/0x170 [ 274.020988] ? find_held_lock+0x36/0x1c0 [ 274.025064] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.029740] ? lock_downgrade+0x900/0x900 [ 274.033898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.039445] cache_grow_begin+0x91/0x8c0 [ 274.043514] ? do_raw_spin_unlock+0xa7/0x330 [ 274.047953] fallback_alloc+0x203/0x2e0 [ 274.051937] ____cache_alloc_node+0x1c7/0x1e0 [ 274.056444] kmem_cache_alloc_node+0xe3/0x730 [ 274.060957] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.065233] __alloc_skb+0x119/0x770 [ 274.068953] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.074242] ? skb_scrub_packet+0x490/0x490 [ 274.078566] ? lock_downgrade+0x900/0x900 [ 274.082727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.088282] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.093737] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.099190] ? addrconf_rs_timer+0x690/0x690 [ 274.103615] ndisc_alloc_skb+0x144/0x340 [ 274.107680] ndisc_send_rs+0x331/0x6e0 [ 274.111593] addrconf_rs_timer+0x314/0x690 [ 274.115839] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.120093] call_timer_fn+0x272/0x920 [ 274.123984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.128232] ? process_timeout+0x40/0x40 [ 274.132295] ? find_held_lock+0x36/0x1c0 [ 274.136385] ? __run_timers+0x7da/0xc70 [ 274.140407] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.144924] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.149428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.153686] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 274.158273] ? trace_hardirqs_on+0xbd/0x310 [ 274.162596] ? kasan_check_read+0x11/0x20 [ 274.166757] ? __run_timers+0x7da/0xc70 [ 274.170736] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.176196] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.180449] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.184688] __run_timers+0x7e5/0xc70 [ 274.188504] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.193873] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.198370] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.202927] ? lockdep_hardirqs_on+0x421/0x5c0 [ 274.207526] ? trace_hardirqs_on+0xbd/0x310 [ 274.211851] ? kasan_check_read+0x11/0x20 [ 274.216006] ? finish_task_switch+0x1f4/0x910 [ 274.220509] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.225977] ? compat_start_thread+0x80/0x80 [ 274.230389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.235945] ? _raw_spin_unlock_irq+0x60/0x80 [ 274.240512] ? pvclock_read_flags+0x160/0x160 [ 274.245042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.250586] ? check_preemption_disabled+0x48/0x280 [ 274.255622] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.260905] ? rcu_pm_notify+0xc0/0xc0 [ 274.264813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.270358] ? check_preemption_disabled+0x48/0x280 [ 274.275386] run_timer_softirq+0x52/0xb0 [ 274.279455] ? rcu_read_lock_sched_held+0x108/0x120 [ 274.284473] __do_softirq+0x30c/0xb03 [ 274.288311] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 274.293443] ? trace_hardirqs_off+0x310/0x310 [ 274.297955] ? trace_hardirqs_on+0x310/0x310 [ 274.302389] ? schedule+0x108/0x460 [ 274.306064] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 274.310834] ? trace_hardirqs_off+0xb8/0x310 [ 274.315250] ? smpboot_thread_fn+0x68b/0xa00 [ 274.319662] ? trace_hardirqs_on+0x310/0x310 [ 274.324076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.329618] ? check_preemption_disabled+0x48/0x280 [ 274.334641] ? takeover_tasklets+0xa90/0xa90 [ 274.339073] run_ksoftirqd+0x94/0x100 [ 274.342877] smpboot_thread_fn+0x68b/0xa00 [ 274.347150] ? sort_range+0x30/0x30 [ 274.350822] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.356026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.361570] ? __kthread_parkme+0xfb/0x1a0 [ 274.365816] kthread+0x35a/0x420 [ 274.369189] ? sort_range+0x30/0x30 [ 274.372817] ? kthread_bind+0x40/0x40 [ 274.376628] ret_from_fork+0x3a/0x50 [ 274.380478] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 274.380483] warn_alloc_show_mem: 1 callbacks suppressed [ 274.380490] Mem-Info: [ 274.387841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.387849] Call Trace: [ 274.393220] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 274.393220] active_file:11 inactive_file:12 isolated_file:0 [ 274.393220] unevictable:0 dirty:0 writeback:0 unstable:0 [ 274.393220] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 274.393220] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 274.393220] free:13647 free_pcp:360 free_cma:0 [ 274.395599] [ 274.404977] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 274.407560] dump_stack+0x1c4/0x2b6 [ 274.440587] Node 0 [ 274.442746] ? dump_stack_print_info.cold.1+0x20/0x20 [ 274.470421] 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 [ 274.474034] warn_alloc.cold.119+0xb7/0x1bd [ 274.476233] lowmem_reserve[]: 0 [ 274.481431] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 274.506906] 2819 6323 [ 274.511238] ? lock_downgrade+0x900/0x900 [ 274.514491] 6323 [ 274.519331] ? trace_hardirqs_off+0xb8/0x310 [ 274.521805] Node 0 [ 274.525951] ? trace_hardirqs_off+0xb8/0x310 [ 274.528016] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 274.532434] __alloc_pages_slowpath+0x265e/0x2d70 [ 274.534636] lowmem_reserve[]: 0 [ 274.539084] ? warn_alloc+0x120/0x120 [ 274.565748] 0 3503 [ 274.570595] ? warn_alloc+0x120/0x120 [ 274.573849] 3503 [ 274.577642] ? print_usage_bug+0xc0/0xc0 [ 274.583664] ? warn_alloc+0x120/0x120 [ 274.585705] Node 0 [ 274.589768] ? print_usage_bug+0xc0/0xc0 [ 274.593573] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 274.595783] ? __lock_acquire+0x7ec/0x4ec0 [ 274.599818] lowmem_reserve[]: [ 274.628822] ? __lock_acquire+0x7ec/0x4ec0 [ 274.633082] 0 [ 274.636182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.640389] 0 [ 274.642207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.647711] 0 0 [ 274.649525] ? should_fail+0x22d/0xd01 [ 274.657036] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.660901] Node 0 [ 274.665994] ? __lock_acquire+0x7ec/0x4ec0 [ 274.665996] DMA: 1*4kB [ 274.668249] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.672464] (U) [ 274.675047] ? __lock_acquire+0x7ec/0x4ec0 [ 274.680125] 0*8kB [ 274.682094] ? should_fail+0x22d/0xd01 [ 274.686302] 0*16kB [ 274.688454] ? mark_held_locks+0x130/0x130 [ 274.692309] 1*32kB (U) [ 274.694554] ? mark_held_locks+0x130/0x130 [ 274.698759] 2*64kB (U) [ 274.701344] ? graph_lock+0x170/0x170 [ 274.705561] 1*128kB [ 274.708143] ? print_usage_bug+0xc0/0xc0 [ 274.711917] (U) [ 274.714234] ? graph_lock+0x170/0x170 [ 274.718273] 1*256kB (U) [ 274.720260] ? print_usage_bug+0xc0/0xc0 [ 274.724043] 0*512kB [ 274.726761] ? wq_watchdog_touch+0x9c/0xfe [ 274.730793] 1*1024kB (U) [ 274.733125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.737327] 1*2048kB (M) [ 274.740101] ? check_preemption_disabled+0x48/0x280 [ 274.745612] 3*4096kB [ 274.748367] ? check_preemption_disabled+0x48/0x280 [ 274.753353] (M) [ 274.755777] ? __lock_is_held+0xb5/0x140 [ 274.760762] = 15908kB [ 274.762743] __alloc_pages_nodemask+0xa80/0xde0 [ 274.766772] Node 0 [ 274.769178] ? graph_lock+0x170/0x170 [ 274.773814] DMA32: 4*4kB [ 274.776055] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 274.779834] (UM) [ 274.782585] ? graph_lock+0x170/0x170 [ 274.787570] 2*8kB (UM) [ 274.789642] ? find_held_lock+0x36/0x1c0 [ 274.793414] 2*16kB (M) [ 274.796024] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.800061] 3*32kB [ 274.802642] ? lock_downgrade+0x900/0x900 [ 274.807300] (UM) [ 274.809532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.813656] 4*64kB [ 274.815714] cache_grow_begin+0x91/0x8c0 [ 274.821223] (M) [ 274.823474] ? do_raw_spin_unlock+0xa7/0x330 [ 274.827506] 4*128kB (UM) [ 274.829493] fallback_alloc+0x203/0x2e0 [ 274.833877] 3*256kB [ 274.836636] ____cache_alloc_node+0x1c7/0x1e0 [ 274.840584] (M) [ 274.842914] kmem_cache_alloc_node+0xe3/0x730 [ 274.847410] 3*512kB [ 274.849409] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.853879] (M) [ 274.856204] __alloc_skb+0x119/0x770 [ 274.860418] 3*1024kB [ 274.862393] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.866086] (UM) [ 274.868495] ? skb_scrub_packet+0x490/0x490 [ 274.873761] 3*2048kB (M) [ 274.875828] ? lock_downgrade+0x900/0x900 [ 274.880124] 3*4096kB [ 274.882881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.887003] (M) [ 274.889416] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.894925] = 24736kB [ 274.896895] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.902318] Node 0 [ 274.904728] ? addrconf_rs_timer+0x690/0x690 [ 274.910151] Normal: [ 274.912388] ndisc_alloc_skb+0x144/0x340 [ 274.916763] 592*4kB [ 274.919084] ndisc_send_rs+0x331/0x6e0 [ 274.923120] (UMEH) [ 274.925440] addrconf_rs_timer+0x314/0x690 [ 274.929314] 405*8kB (UMEH) [ 274.931551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.935758] 177*16kB (UME) [ 274.938718] call_timer_fn+0x272/0x920 [ 274.942914] 103*32kB (UMH) [ 274.945850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.949712] 15*64kB (UMH) [ 274.952652] ? process_timeout+0x40/0x40 [ 274.956867] 0*128kB [ 274.959706] ? find_held_lock+0x36/0x1c0 [ 274.963737] 1*256kB (H) [ 274.966070] ? __run_timers+0x7da/0xc70 [ 274.970104] 0*512kB [ 274.972775] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.976722] 1*1024kB (H) [ 274.979058] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.983534] 0*2048kB [ 274.986288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.990764] 0*4096kB [ 274.993186] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 274.997406] = 13976kB [ 274.999812] ? trace_hardirqs_on+0xbd/0x310 [ 275.004374] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 275.006775] ? kasan_check_read+0x11/0x20 [ 275.011093] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 275.019933] ? __run_timers+0x7da/0xc70 [ 275.024054] 1241 total pagecache pages [ 275.032624] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.036625] 0 pages in swap cache [ 275.040545] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.045972] Swap cache stats: add 0, delete 0, find 0/0 [ 275.049423] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.053633] Free swap = 0kB [ 275.058991] __run_timers+0x7e5/0xc70 [ 275.063203] Total swap = 0kB [ 275.066224] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 275.070006] 1965979 pages RAM [ 275.073017] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 275.078363] 0 pages HighMem/MovableOnly [ 275.078371] 342306 pages reserved [ 275.081472] ? graph_lock+0x170/0x170 [ 275.086458] 0 pages cma reserved [ 275.086543] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 275.090442] ? enqueue_hrtimer+0x1a5/0x560 [ 275.093930] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 275.097667] ? lock_release+0x970/0x970 [ 275.101009] ksoftirqd/1 cpuset= [ 275.107503] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 275.111716] / [ 275.122028] ? find_held_lock+0x36/0x1c0 [ 275.125980] mems_allowed=0 [ 275.129316] ? graph_lock+0x170/0x170 [ 275.146939] ? pvclock_read_flags+0x160/0x160 [ 275.151440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.156980] ? check_preemption_disabled+0x48/0x280 [ 275.162008] ? __lock_is_held+0xb5/0x140 [ 275.166079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.171618] ? check_preemption_disabled+0x48/0x280 [ 275.176645] run_timer_softirq+0x52/0xb0 [ 275.180717] ? rcu_read_lock_sched_held+0x108/0x120 [ 275.185750] __do_softirq+0x30c/0xb03 [ 275.189569] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 275.194681] ? pvclock_read_flags+0x160/0x160 [ 275.199191] ? lapic_next_event+0x5a/0x90 [ 275.203366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.208916] ? check_preemption_disabled+0x48/0x280 [ 275.213937] ? check_preemption_disabled+0x48/0x280 [ 275.218963] ? kvm_clock_read+0x18/0x30 [ 275.222936] ? kvm_sched_clock_read+0x9/0x20 [ 275.227389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.232932] ? check_preemption_disabled+0x48/0x280 [ 275.237962] irq_exit+0x17f/0x1c0 [ 275.241437] smp_apic_timer_interrupt+0x1cb/0x760 [ 275.246287] ? smp_reschedule_interrupt+0x109/0x650 [ 275.251307] ? smp_call_function_single_interrupt+0x650/0x650 [ 275.257193] ? interrupt_entry+0xb5/0xf0 [ 275.261255] ? trace_hardirqs_off_caller+0xbb/0x310 [ 275.266274] ? trace_hardirqs_off_caller+0xbb/0x310 [ 275.271293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.276156] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.281171] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.286188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.291727] ? check_preemption_disabled+0x48/0x280 [ 275.296806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.302350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.307228] apic_timer_interrupt+0xf/0x20 [ 275.311461] [ 275.313720] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 275.318659] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 275.337563] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 275.345292] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 275.352577] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 275.359844] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 275.367110] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 275.374415] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 275.381735] skb_clone+0x1bb/0x500 [ 275.385283] ? skb_split+0x11e0/0x11e0 [ 275.389184] ? check_preemption_disabled+0x48/0x280 [ 275.394224] ? __this_cpu_preempt_check+0x1c/0x20 [ 275.399081] ? __bpf_redirect+0x54b/0xb20 [ 275.403241] bpf_clone_redirect+0xb9/0x490 [ 275.407492] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 275.412517] ? __sched_text_start+0x8/0x8 [ 275.416684] ? find_held_lock+0x36/0x1c0 [ 275.420760] ? lock_acquire+0x1ed/0x520 [ 275.424742] ? bpf_test_run+0x3cb/0x780 [ 275.428719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.434267] ? check_preemption_disabled+0x48/0x280 [ 275.439292] ? kasan_check_read+0x11/0x20 [ 275.443448] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.448735] ? rcu_bh_qs+0xc0/0xc0 [ 275.452296] ? preempt_schedule+0x4d/0x60 [ 275.456448] ? ___preempt_schedule+0x16/0x18 [ 275.460870] ? bpf_test_run+0x25d/0x780 [ 275.464856] ? netlink_diag_dump+0x2a0/0x2a0 [ 275.469267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.474805] ? bpf_test_init.isra.10+0x70/0x100 [ 275.479480] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 275.484244] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 275.489086] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 275.494641] ? fput+0x130/0x1a0 [ 275.497941] ? __bpf_prog_get+0x9b/0x290 [ 275.502010] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 275.506854] ? bpf_prog_test_run+0x130/0x1a0 [ 275.511279] ? __x64_sys_bpf+0x3d8/0x520 [ 275.515339] ? bpf_prog_get+0x20/0x20 [ 275.519163] ? do_syscall_64+0x1b9/0x820 [ 275.523259] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 275.528634] ? syscall_return_slowpath+0x5e0/0x5e0 [ 275.533572] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.538594] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 275.543614] ? recalc_sigpending_tsk+0x180/0x180 [ 275.548377] ? kasan_check_write+0x14/0x20 [ 275.552632] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.557487] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 275.562898] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 275.562968] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 275.569832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.569837] Call Trace: [ 275.569858] dump_stack+0x1c4/0x2b6 [ 275.569880] ? dump_stack_print_info.cold.1+0x20/0x20 [ 275.576474] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 275.585761] warn_alloc.cold.119+0xb7/0x1bd [ 275.588317] syz-executor0 cpuset= [ 275.591940] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.597106] syz0 [ 275.607589] ? lock_downgrade+0x900/0x900 [ 275.611887] mems_allowed=0 [ 275.615338] ? trace_hardirqs_off+0xb8/0x310 [ 275.633576] ? trace_hardirqs_off+0xb8/0x310 [ 275.638007] __alloc_pages_slowpath+0x265e/0x2d70 [ 275.642886] ? warn_alloc+0x120/0x120 [ 275.646699] ? warn_alloc+0x120/0x120 [ 275.650511] ? print_usage_bug+0xc0/0xc0 [ 275.654670] ? warn_alloc+0x120/0x120 [ 275.658480] ? print_usage_bug+0xc0/0xc0 [ 275.662548] ? __lock_acquire+0x7ec/0x4ec0 [ 275.666785] ? __lock_acquire+0x7ec/0x4ec0 [ 275.671032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.676590] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.682132] ? should_fail+0x22d/0xd01 [ 275.686028] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.691133] ? __lock_acquire+0x7ec/0x4ec0 [ 275.695376] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.700490] ? __lock_acquire+0x7ec/0x4ec0 [ 275.704741] ? should_fail+0x22d/0xd01 [ 275.708641] ? mark_held_locks+0x130/0x130 [ 275.713237] ? mark_held_locks+0x130/0x130 [ 275.717493] ? graph_lock+0x170/0x170 [ 275.721296] ? print_usage_bug+0xc0/0xc0 [ 275.725357] ? graph_lock+0x170/0x170 [ 275.729162] ? print_usage_bug+0xc0/0xc0 [ 275.733226] ? wq_watchdog_touch+0x9c/0xfe [ 275.737485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.743029] ? check_preemption_disabled+0x48/0x280 [ 275.748049] ? check_preemption_disabled+0x48/0x280 [ 275.753080] ? __lock_is_held+0xb5/0x140 [ 275.757614] __alloc_pages_nodemask+0xa80/0xde0 [ 275.762285] ? graph_lock+0x170/0x170 [ 275.766092] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 275.771109] ? graph_lock+0x170/0x170 [ 275.774934] ? find_held_lock+0x36/0x1c0 [ 275.779011] ? ____cache_alloc_node+0x1c7/0x1e0 [ 275.783696] ? lock_downgrade+0x900/0x900 [ 275.787881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.793437] cache_grow_begin+0x91/0x8c0 [ 275.797509] ? do_raw_spin_unlock+0xa7/0x330 [ 275.801931] fallback_alloc+0x203/0x2e0 [ 275.805922] ____cache_alloc_node+0x1c7/0x1e0 [ 275.810440] kmem_cache_alloc_node+0xe3/0x730 [ 275.814937] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.819183] __alloc_skb+0x119/0x770 [ 275.822917] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.828198] ? skb_scrub_packet+0x490/0x490 [ 275.832547] ? lock_downgrade+0x900/0x900 [ 275.836757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.842341] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.847812] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.853268] ? addrconf_rs_timer+0x690/0x690 [ 275.857692] ndisc_alloc_skb+0x144/0x340 [ 275.861763] ndisc_send_rs+0x331/0x6e0 [ 275.865659] addrconf_rs_timer+0x314/0x690 [ 275.869906] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.874158] call_timer_fn+0x272/0x920 [ 275.878046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.882286] ? process_timeout+0x40/0x40 [ 275.886346] ? find_held_lock+0x36/0x1c0 [ 275.890429] ? __run_timers+0x7da/0xc70 [ 275.894425] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.898924] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.903450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.907694] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 275.912282] ? trace_hardirqs_on+0xbd/0x310 [ 275.916610] ? kasan_check_read+0x11/0x20 [ 275.920766] ? __run_timers+0x7da/0xc70 [ 275.924747] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.930207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.934453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.938688] __run_timers+0x7e5/0xc70 [ 275.942504] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 275.947871] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.952373] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.956879] ? lockdep_hardirqs_on+0x421/0x5c0 [ 275.961468] ? trace_hardirqs_on+0xbd/0x310 [ 275.965802] ? kasan_check_read+0x11/0x20 [ 275.969956] ? finish_task_switch+0x1f4/0x910 [ 275.974458] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.979915] ? compat_start_thread+0x80/0x80 [ 275.984328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.989873] ? _raw_spin_unlock_irq+0x60/0x80 [ 275.994378] ? pvclock_read_flags+0x160/0x160 [ 275.998884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.004443] ? check_preemption_disabled+0x48/0x280 [ 276.009475] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.014759] ? rcu_pm_notify+0xc0/0xc0 [ 276.018653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.024194] ? check_preemption_disabled+0x48/0x280 [ 276.029225] run_timer_softirq+0x52/0xb0 [ 276.033327] ? rcu_read_lock_sched_held+0x108/0x120 [ 276.038388] __do_softirq+0x30c/0xb03 [ 276.042205] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.047328] ? trace_hardirqs_off+0x310/0x310 [ 276.051827] ? trace_hardirqs_on+0x310/0x310 [ 276.056258] ? schedule+0x108/0x460 [ 276.059903] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.064670] ? trace_hardirqs_off+0xb8/0x310 [ 276.069081] ? smpboot_thread_fn+0x68b/0xa00 [ 276.073490] ? trace_hardirqs_on+0x310/0x310 [ 276.077905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.083450] ? check_preemption_disabled+0x48/0x280 [ 276.088489] ? takeover_tasklets+0xa90/0xa90 [ 276.092919] run_ksoftirqd+0x94/0x100 [ 276.096723] smpboot_thread_fn+0x68b/0xa00 [ 276.100962] ? sort_range+0x30/0x30 [ 276.104596] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 276.109734] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.115287] ? __kthread_parkme+0xfb/0x1a0 [ 276.119558] kthread+0x35a/0x420 [ 276.122930] ? sort_range+0x30/0x30 [ 276.126560] ? kthread_bind+0x40/0x40 [ 276.130411] ret_from_fork+0x3a/0x50 [ 276.134149] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 276.134154] warn_alloc_show_mem: 1 callbacks suppressed [ 276.134162] Mem-Info: [ 276.141524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.146895] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 276.146895] active_file:11 inactive_file:12 isolated_file:0 [ 276.146895] unevictable:0 dirty:0 writeback:0 unstable:0 [ 276.146895] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 276.146895] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 276.146895] free:13647 free_pcp:360 free_cma:0 [ 276.149266] Call Trace: [ 276.158652] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 276.191667] [ 276.194246] Node 0 [ 276.221912] dump_stack+0x1c4/0x2b6 [ 276.224065] 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 [ 276.226276] ? dump_stack_print_info.cold.1+0x20/0x20 [ 276.229876] lowmem_reserve[]: [ 276.255382] warn_alloc.cold.119+0xb7/0x1bd [ 276.260538] 0 [ 276.263639] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.267940] 2819 [ 276.269745] ? lock_downgrade+0x900/0x900 [ 276.274554] 6323 [ 276.276616] ? trace_hardirqs_off+0xb8/0x310 [ 276.280738] 6323 [ 276.282800] ? trace_hardirqs_off+0xb8/0x310 [ 276.289255] __alloc_pages_slowpath+0x265e/0x2d70 [ 276.293636] Node 0 DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 276.298499] ? warn_alloc+0x120/0x120 [ 276.298515] ? trace_hardirqs_on+0x310/0x310 [ 276.325817] lowmem_reserve[]: [ 276.329617] ? warn_alloc+0x120/0x120 [ 276.334000] 0 [ 276.337102] ? print_usage_bug+0xc0/0xc0 [ 276.340878] 0 [ 276.342681] ? warn_alloc+0x120/0x120 [ 276.346716] 3503 [ 276.348519] ? ktime_get+0x2e1/0x440 [ 276.352296] 3503 [ 276.354357] ? print_usage_bug+0xc0/0xc0 [ 276.360102] ? __lock_acquire+0x7ec/0x4ec0 [ 276.364138] Node 0 [ 276.368374] ? __lock_acquire+0x7ec/0x4ec0 [ 276.368435] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 276.370640] ? kasan_check_read+0x11/0x20 [ 276.374841] lowmem_reserve[]: 0 [ 276.403297] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.407424] 0 [ 276.410699] ? should_fail+0x22d/0xd01 [ 276.416206] 0 [ 276.418004] ? rcu_bh_qs+0xc0/0xc0 [ 276.421864] 0 [ 276.423664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.428978] ? __lock_acquire+0x7ec/0x4ec0 [ 276.434060] Node 0 DMA: [ 276.438336] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.438366] ? __lock_acquire+0x7ec/0x4ec0 [ 276.441020] 1*4kB [ 276.446114] ? should_fail+0x22d/0xd01 [ 276.450334] (U) [ 276.452485] ? rcu_idle_enter+0x4b0/0x4b0 [ 276.456340] 0*8kB 0*16kB [ 276.458323] ? mark_held_locks+0x130/0x130 [ 276.462467] 1*32kB [ 276.465217] ? mark_held_locks+0x130/0x130 [ 276.469433] (U) [ 276.471714] ? mark_held_locks+0xc7/0x130 [ 276.475929] 2*64kB [ 276.477898] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 276.482022] (U) [ 276.484254] ? graph_lock+0x170/0x170 [ 276.489251] 1*128kB [ 276.491220] ? print_usage_bug+0xc0/0xc0 [ 276.495005] (U) [ 276.497328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.501396] 1*256kB [ 276.503425] ? check_preemption_disabled+0x48/0x280 [ 276.508965] (U) [ 276.511291] ? check_preemption_disabled+0x48/0x280 [ 276.516281] 0*512kB [ 276.518257] ? __lock_is_held+0xb5/0x140 [ 276.523251] 1*1024kB [ 276.525577] __alloc_pages_nodemask+0xa80/0xde0 [ 276.529610] (U) [ 276.532014] ? graph_lock+0x170/0x170 [ 276.536663] 1*2048kB (M) [ 276.538652] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 276.542429] 3*4096kB [ 276.545179] ? graph_lock+0x170/0x170 [ 276.550170] (M) [ 276.552581] ? find_held_lock+0x36/0x1c0 [ 276.556356] = 15908kB [ 276.558332] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.562366] Node 0 [ 276.564771] ? lock_downgrade+0x900/0x900 [ 276.569420] DMA32: [ 276.571653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.575775] 4*4kB [ 276.578006] cache_grow_begin+0x91/0x8c0 [ 276.583521] (UM) [ 276.585667] ? do_raw_spin_unlock+0xa7/0x330 [ 276.589703] 2*8kB [ 276.591770] fallback_alloc+0x203/0x2e0 [ 276.596150] (UM) [ 276.598299] ____cache_alloc_node+0x1c7/0x1e0 [ 276.602248] 2*16kB (M) [ 276.604318] kmem_cache_alloc_node+0xe3/0x730 [ 276.608780] 3*32kB (UM) [ 276.611371] ? ipv6_get_ifaddr+0x42e/0x620 [ 276.615847] 4*64kB (M) [ 276.618527] __alloc_skb+0x119/0x770 [ 276.622898] 4*128kB (UM) [ 276.625493] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.629173] 3*256kB (M) [ 276.631936] ? skb_scrub_packet+0x490/0x490 [ 276.637184] 3*512kB (M) [ 276.639857] ? lock_downgrade+0x900/0x900 [ 276.644153] 3*1024kB [ 276.646825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.650941] (UM) [ 276.653347] ? refcount_sub_and_test_checked+0x203/0x310 [ 276.658860] 3*2048kB [ 276.660920] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 276.666350] (M) [ 276.668764] ? addrconf_rs_timer+0x690/0x690 [ 276.674190] 3*4096kB [ 276.676166] ndisc_alloc_skb+0x144/0x340 [ 276.680536] (M) = 24736kB [ 276.682950] ndisc_send_rs+0x331/0x6e0 [ 276.686985] Node 0 [ 276.689746] addrconf_rs_timer+0x314/0x690 [ 276.693601] Normal: [ 276.695834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.700048] 592*4kB [ 276.702378] call_timer_fn+0x272/0x920 [ 276.706578] (UMEH) [ 276.708895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.712764] 405*8kB [ 276.714995] ? process_timeout+0x40/0x40 [ 276.719202] (UMEH) 177*16kB [ 276.721533] ? find_held_lock+0x36/0x1c0 [ 276.725568] (UME) 103*32kB [ 276.728599] ? __run_timers+0x7da/0xc70 [ 276.732633] (UMH) 15*64kB [ 276.735572] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.739515] (UMH) 0*128kB [ 276.742364] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.746839] 1*256kB [ 276.749680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.754152] (H) [ 276.756471] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 276.760680] 0*512kB [ 276.762649] ? trace_hardirqs_on+0xbd/0x310 [ 276.767217] 1*1024kB [ 276.769530] ? kasan_check_read+0x11/0x20 [ 276.773822] (H) [ 276.776229] ? __run_timers+0x7da/0xc70 [ 276.780357] 0*2048kB [ 276.782332] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.786286] 0*4096kB [ 276.788693] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.794123] = 13976kB [ 276.796529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.800744] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 276.800758] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 276.803164] __run_timers+0x7e5/0xc70 [ 276.807379] 1241 total pagecache pages [ 276.816226] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 276.824779] 0 pages in swap cache [ 276.828570] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.832437] Swap cache stats: add 0, delete 0, find 0/0 [ 276.837793] ? graph_lock+0x170/0x170 [ 276.841222] Free swap = 0kB [ 276.846230] ? enqueue_hrtimer+0x1a5/0x560 [ 276.851579] Total swap = 0kB [ 276.855375] ? lock_release+0x970/0x970 [ 276.858364] 1965979 pages RAM [ 276.862592] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.865596] 0 pages HighMem/MovableOnly [ 276.869568] ? find_held_lock+0x36/0x1c0 [ 276.872646] 342306 pages reserved [ 276.872655] 0 pages cma reserved [ 276.877836] ? graph_lock+0x170/0x170 [ 276.881858] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.885842] ? pvclock_read_flags+0x160/0x160 [ 276.889387] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.892640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.896426] ksoftirqd/1 cpuset= [ 276.902922] ? check_preemption_disabled+0x48/0x280 [ 276.907385] / [ 276.917706] ? __lock_is_held+0xb5/0x140 [ 276.923213] mems_allowed=0 [ 276.926484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.945661] ? check_preemption_disabled+0x48/0x280 [ 276.950686] run_timer_softirq+0x52/0xb0 [ 276.954756] ? rcu_read_lock_sched_held+0x108/0x120 [ 276.959780] __do_softirq+0x30c/0xb03 [ 276.963594] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.968735] ? pvclock_read_flags+0x160/0x160 [ 276.973234] ? lapic_next_event+0x5a/0x90 [ 276.977387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.982934] ? check_preemption_disabled+0x48/0x280 [ 276.987955] ? check_preemption_disabled+0x48/0x280 [ 276.992977] ? kvm_clock_read+0x18/0x30 [ 276.996953] ? kvm_sched_clock_read+0x9/0x20 [ 277.001368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.006915] ? check_preemption_disabled+0x48/0x280 [ 277.011944] irq_exit+0x17f/0x1c0 [ 277.015409] smp_apic_timer_interrupt+0x1cb/0x760 [ 277.020257] ? smp_reschedule_interrupt+0x109/0x650 [ 277.025279] ? smp_call_function_single_interrupt+0x650/0x650 [ 277.031167] ? interrupt_entry+0xb5/0xf0 [ 277.035235] ? trace_hardirqs_off_caller+0xbb/0x310 [ 277.040251] ? trace_hardirqs_off_caller+0xbb/0x310 [ 277.045270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.050118] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.055136] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.060154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.065694] ? check_preemption_disabled+0x48/0x280 [ 277.070714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.076269] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.081167] apic_timer_interrupt+0xf/0x20 [ 277.085397] [ 277.087651] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 277.092585] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 277.111486] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 277.119195] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 277.126469] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 277.133742] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 277.141011] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 277.148279] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 277.155591] skb_clone+0x1bb/0x500 [ 277.159135] ? skb_split+0x11e0/0x11e0 [ 277.163026] ? check_preemption_disabled+0x48/0x280 [ 277.168050] ? __this_cpu_preempt_check+0x1c/0x20 [ 277.172896] ? __bpf_redirect+0x54b/0xb20 [ 277.177054] bpf_clone_redirect+0xb9/0x490 [ 277.181304] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 277.186328] ? __sched_text_start+0x8/0x8 [ 277.190490] ? find_held_lock+0x36/0x1c0 [ 277.194573] ? lock_acquire+0x1ed/0x520 [ 277.198561] ? bpf_test_run+0x3cb/0x780 [ 277.202544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.208087] ? check_preemption_disabled+0x48/0x280 [ 277.213114] ? kasan_check_read+0x11/0x20 [ 277.217266] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.222547] ? rcu_bh_qs+0xc0/0xc0 [ 277.226092] ? preempt_schedule+0x4d/0x60 [ 277.230244] ? ___preempt_schedule+0x16/0x18 [ 277.234665] ? bpf_test_run+0x25d/0x780 [ 277.238657] ? netlink_diag_dump+0x2a0/0x2a0 [ 277.243075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.248617] ? bpf_test_init.isra.10+0x70/0x100 [ 277.253295] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 277.258065] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 277.262913] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 277.268457] ? fput+0x130/0x1a0 [ 277.271751] ? __bpf_prog_get+0x9b/0x290 [ 277.275822] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 277.280670] ? bpf_prog_test_run+0x130/0x1a0 [ 277.285086] ? __x64_sys_bpf+0x3d8/0x520 [ 277.289152] ? bpf_prog_get+0x20/0x20 [ 277.292976] ? do_syscall_64+0x1b9/0x820 [ 277.297045] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 277.302425] ? syscall_return_slowpath+0x5e0/0x5e0 [ 277.307359] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.312380] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 277.317419] ? recalc_sigpending_tsk+0x180/0x180 [ 277.322185] ? kasan_check_write+0x14/0x20 [ 277.326433] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.331312] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 277.336702] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 277.336783] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 277.343631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.343640] Call Trace: [ 277.350216] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 277.359485] dump_stack+0x1c4/0x2b6 [ 277.362093] syz-executor0 cpuset= [ 277.372589] ? dump_stack_print_info.cold.1+0x20/0x20 [ 277.376197] syz0 [ 277.379655] warn_alloc.cold.119+0xb7/0x1bd [ 277.384815] mems_allowed=0 [ 277.386787] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 277.398843] ? lock_downgrade+0x900/0x900 [ 277.403005] ? trace_hardirqs_off+0xb8/0x310 [ 277.407434] ? trace_hardirqs_off+0xb8/0x310 [ 277.411861] __alloc_pages_slowpath+0x265e/0x2d70 [ 277.416735] ? warn_alloc+0x120/0x120 [ 277.420546] ? warn_alloc+0x120/0x120 [ 277.424399] ? print_usage_bug+0xc0/0xc0 [ 277.428474] ? warn_alloc+0x120/0x120 [ 277.432280] ? print_usage_bug+0xc0/0xc0 [ 277.436362] ? __lock_acquire+0x7ec/0x4ec0 [ 277.440598] ? __lock_acquire+0x7ec/0x4ec0 [ 277.444840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.450381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.455934] ? should_fail+0x22d/0xd01 [ 277.459827] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.464942] ? __lock_acquire+0x7ec/0x4ec0 [ 277.469184] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.474285] ? __lock_acquire+0x7ec/0x4ec0 [ 277.478524] ? should_fail+0x22d/0xd01 [ 277.482464] ? mark_held_locks+0x130/0x130 [ 277.486710] ? mark_held_locks+0x130/0x130 [ 277.490956] ? mark_held_locks+0xc7/0x130 [ 277.495104] ? print_usage_bug+0xc0/0xc0 [ 277.499166] ? graph_lock+0x170/0x170 [ 277.502971] ? print_usage_bug+0xc0/0xc0 [ 277.507036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.512583] ? check_preemption_disabled+0x48/0x280 [ 277.517630] ? check_preemption_disabled+0x48/0x280 [ 277.522659] ? __lock_is_held+0xb5/0x140 [ 277.526732] __alloc_pages_nodemask+0xa80/0xde0 [ 277.531417] ? graph_lock+0x170/0x170 [ 277.535238] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 277.540260] ? graph_lock+0x170/0x170 [ 277.544076] ? find_held_lock+0x36/0x1c0 [ 277.548155] ? ____cache_alloc_node+0x1c7/0x1e0 [ 277.552828] ? lock_downgrade+0x900/0x900 [ 277.556987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.562531] cache_grow_begin+0x91/0x8c0 [ 277.566596] ? do_raw_spin_unlock+0xa7/0x330 [ 277.571014] fallback_alloc+0x203/0x2e0 [ 277.575000] ____cache_alloc_node+0x1c7/0x1e0 [ 277.579509] kmem_cache_alloc_node+0xe3/0x730 [ 277.584007] ? ipv6_get_ifaddr+0x42e/0x620 [ 277.588256] __alloc_skb+0x119/0x770 [ 277.591976] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.597263] ? skb_scrub_packet+0x490/0x490 [ 277.601585] ? lock_downgrade+0x900/0x900 [ 277.605745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.611318] ? refcount_sub_and_test_checked+0x203/0x310 [ 277.616779] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 277.622240] ? addrconf_rs_timer+0x690/0x690 [ 277.626669] ndisc_alloc_skb+0x144/0x340 [ 277.630738] ndisc_send_rs+0x331/0x6e0 [ 277.634636] addrconf_rs_timer+0x314/0x690 [ 277.638878] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.643131] call_timer_fn+0x272/0x920 [ 277.647019] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.651263] ? process_timeout+0x40/0x40 [ 277.655334] ? find_held_lock+0x36/0x1c0 [ 277.659419] ? __run_timers+0x7da/0xc70 [ 277.663410] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.667911] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.672455] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.676690] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 277.681278] ? trace_hardirqs_on+0xbd/0x310 [ 277.685605] ? kasan_check_read+0x11/0x20 [ 277.689757] ? __run_timers+0x7da/0xc70 [ 277.693739] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.699202] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.703451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.707686] __run_timers+0x7e5/0xc70 [ 277.711523] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 277.716894] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.721396] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.725906] ? lockdep_hardirqs_on+0x421/0x5c0 [ 277.730491] ? trace_hardirqs_on+0xbd/0x310 [ 277.734819] ? kasan_check_read+0x11/0x20 [ 277.738973] ? finish_task_switch+0x1f4/0x910 [ 277.743479] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.748931] ? compat_start_thread+0x80/0x80 [ 277.753347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.759345] ? _raw_spin_unlock_irq+0x60/0x80 [ 277.763849] ? pvclock_read_flags+0x160/0x160 [ 277.768345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.773885] ? check_preemption_disabled+0x48/0x280 [ 277.778918] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.784198] ? rcu_pm_notify+0xc0/0xc0 [ 277.788092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.793636] ? check_preemption_disabled+0x48/0x280 [ 277.798666] run_timer_softirq+0x52/0xb0 [ 277.802730] ? rcu_read_lock_sched_held+0x108/0x120 [ 277.807756] __do_softirq+0x30c/0xb03 [ 277.811575] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 277.816678] ? trace_hardirqs_off+0x310/0x310 [ 277.821177] ? trace_hardirqs_on+0x310/0x310 [ 277.825596] ? schedule+0x108/0x460 [ 277.829226] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 277.833999] ? trace_hardirqs_off+0xb8/0x310 [ 277.838422] ? smpboot_thread_fn+0x68b/0xa00 [ 277.842860] ? trace_hardirqs_on+0x310/0x310 [ 277.847271] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.852815] ? check_preemption_disabled+0x48/0x280 [ 277.857839] ? takeover_tasklets+0xa90/0xa90 [ 277.862260] run_ksoftirqd+0x94/0x100 [ 277.866062] smpboot_thread_fn+0x68b/0xa00 [ 277.870310] ? sort_range+0x30/0x30 [ 277.873943] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 277.879046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.884606] ? __kthread_parkme+0xfb/0x1a0 [ 277.888855] kthread+0x35a/0x420 [ 277.892227] ? sort_range+0x30/0x30 [ 277.895860] ? kthread_bind+0x40/0x40 [ 277.899669] ret_from_fork+0x3a/0x50 [ 277.903412] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 277.903418] warn_alloc_show_mem: 1 callbacks suppressed [ 277.903426] Mem-Info: [ 277.910802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.916169] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 277.916169] active_file:11 inactive_file:12 isolated_file:0 [ 277.916169] unevictable:0 dirty:0 writeback:0 unstable:0 [ 277.916169] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 277.916169] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 277.916169] free:13647 free_pcp:360 free_cma:0 [ 277.918543] Call Trace: [ 277.927941] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 277.960959] [ 277.963533] Node 0 [ 277.991198] dump_stack+0x1c4/0x2b6 [ 277.993350] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 277.995563] ? dump_stack_print_info.cold.1+0x20/0x20 [ 277.999163] lowmem_reserve[]: [ 278.024672] warn_alloc.cold.119+0xb7/0x1bd [ 278.029828] 0 [ 278.032931] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.037226] 2819 [ 278.039047] ? lock_downgrade+0x900/0x900 [ 278.043873] 6323 6323 [ 278.045960] ? trace_hardirqs_off+0xb8/0x310 [ 278.052570] ? trace_hardirqs_off+0xb8/0x310 [ 278.056954] Node 0 DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 278.061387] __alloc_pages_slowpath+0x265e/0x2d70 [ 278.061438] ? warn_alloc+0x120/0x120 [ 278.088705] lowmem_reserve[]: 0 [ 278.093558] ? trace_hardirqs_on+0x310/0x310 [ 278.097328] 0 [ 278.100599] ? warn_alloc+0x120/0x120 [ 278.104983] 3503 [ 278.106795] ? print_usage_bug+0xc0/0xc0 [ 278.110571] 3503 [ 278.112626] ? warn_alloc+0x120/0x120 [ 278.118722] ? ktime_get+0x2e1/0x440 [ 278.122497] Node 0 [ 278.126202] ? print_usage_bug+0xc0/0xc0 [ 278.126238] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 278.126245] lowmem_reserve[]: [ 278.128479] ? __lock_acquire+0x7ec/0x4ec0 [ 278.132517] 0 [ 278.160977] ? __lock_acquire+0x7ec/0x4ec0 [ 278.164055] 0 [ 278.168284] ? kasan_check_read+0x11/0x20 [ 278.170062] 0 [ 278.174305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.176086] 0 [ 278.180231] ? should_fail+0x22d/0xd01 [ 278.187573] ? rcu_bh_qs+0xc0/0xc0 [ 278.189351] Node 0 [ 278.193250] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.196759] DMA: 1*4kB [ 278.198998] ? __lock_acquire+0x7ec/0x4ec0 [ 278.204069] (U) 0*8kB [ 278.206664] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.210889] 0*16kB [ 278.213378] ? __lock_acquire+0x7ec/0x4ec0 [ 278.218475] 1*32kB [ 278.220721] ? should_fail+0x22d/0xd01 [ 278.224930] (U) [ 278.227200] ? rcu_idle_enter+0x4b0/0x4b0 [ 278.231060] 2*64kB [ 278.233037] ? mark_held_locks+0x130/0x130 [ 278.237187] (U) [ 278.239424] ? mark_held_locks+0x130/0x130 [ 278.243654] 1*128kB [ 278.245626] ? mark_held_locks+0xc7/0x130 [ 278.249833] (U) [ 278.252155] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 278.256279] 1*256kB (U) [ 278.258256] ? graph_lock+0x170/0x170 [ 278.263249] 0*512kB 1*1024kB [ 278.265921] ? print_usage_bug+0xc0/0xc0 [ 278.269698] (U) [ 278.272798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.276833] 1*2048kB [ 278.278812] ? check_preemption_disabled+0x48/0x280 [ 278.284319] (M) [ 278.286730] ? check_preemption_disabled+0x48/0x280 [ 278.291725] 3*4096kB [ 278.293709] ? __lock_is_held+0xb5/0x140 [ 278.298695] (M) [ 278.301103] __alloc_pages_nodemask+0xa80/0xde0 [ 278.305141] = 15908kB [ 278.307108] ? graph_lock+0x170/0x170 [ 278.311756] Node 0 [ 278.314195] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 278.317968] DMA32: [ 278.320198] ? graph_lock+0x170/0x170 [ 278.325189] 4*4kB [ 278.327436] ? find_held_lock+0x36/0x1c0 [ 278.331207] (UM) [ 278.333356] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.337445] 2*8kB [ 278.339518] ? lock_downgrade+0x900/0x900 [ 278.344164] (UM) [ 278.346312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.350432] 2*16kB [ 278.352491] cache_grow_begin+0x91/0x8c0 [ 278.358003] (M) [ 278.360236] ? do_raw_spin_unlock+0xa7/0x330 [ 278.364270] 3*32kB (UM) [ 278.366255] fallback_alloc+0x203/0x2e0 [ 278.370637] 4*64kB (M) [ 278.373312] ____cache_alloc_node+0x1c7/0x1e0 [ 278.377265] 4*128kB [ 278.379845] kmem_cache_alloc_node+0xe3/0x730 [ 278.384306] (UM) 3*256kB [ 278.386633] ? ipv6_get_ifaddr+0x42e/0x620 [ 278.391102] (M) [ 278.393859] __alloc_skb+0x119/0x770 [ 278.398064] 3*512kB [ 278.400034] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.403722] (M) [ 278.406046] ? skb_scrub_packet+0x490/0x490 [ 278.411295] 3*1024kB (UM) [ 278.413292] ? lock_downgrade+0x900/0x900 [ 278.417592] 3*2048kB [ 278.420444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.424573] (M) 3*4096kB [ 278.427002] ? refcount_sub_and_test_checked+0x203/0x310 [ 278.432516] (M) [ 278.435270] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 278.440695] = 24736kB [ 278.442672] ? addrconf_rs_timer+0x690/0x690 [ 278.448100] Node 0 [ 278.450516] ndisc_alloc_skb+0x144/0x340 [ 278.454896] Normal: [ 278.457130] ndisc_send_rs+0x331/0x6e0 [ 278.461168] 592*4kB [ 278.463486] addrconf_rs_timer+0x314/0x690 [ 278.467351] (UMEH) [ 278.469670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.473873] 405*8kB (UMEH) [ 278.476128] call_timer_fn+0x272/0x920 [ 278.480321] 177*16kB (UME) [ 278.483284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.487144] 103*32kB (UMH) [ 278.490077] ? process_timeout+0x40/0x40 [ 278.494289] 15*64kB [ 278.497214] ? find_held_lock+0x36/0x1c0 [ 278.501253] (UMH) [ 278.503582] ? __run_timers+0x7da/0xc70 [ 278.507614] 0*128kB [ 278.509769] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.513734] 1*256kB [ 278.516061] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.520533] (H) [ 278.522852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.527341] 0*512kB [ 278.529312] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 278.533526] 1*1024kB [ 278.535846] ? trace_hardirqs_on+0xbd/0x310 [ 278.540412] (H) [ 278.542819] ? kasan_check_read+0x11/0x20 [ 278.547113] 0*2048kB 0*4096kB [ 278.549092] ? __run_timers+0x7da/0xc70 [ 278.553214] = 13976kB [ 278.556401] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.560396] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 278.562805] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.568245] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 278.577063] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.581273] 1241 total pagecache pages [ 278.589843] __run_timers+0x7e5/0xc70 [ 278.594063] 0 pages in swap cache [ 278.597956] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 278.601722] Swap cache stats: add 0, delete 0, find 0/0 [ 278.601731] Free swap = 0kB [ 278.605181] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.610546] Total swap = 0kB [ 278.610554] 1965979 pages RAM [ 278.615912] ? graph_lock+0x170/0x170 [ 278.618908] 0 pages HighMem/MovableOnly [ 278.624361] ? enqueue_hrtimer+0x1a5/0x560 [ 278.627390] 342306 pages reserved [ 278.627399] 0 pages cma reserved [ 278.630505] ? lock_release+0x970/0x970 [ 278.634355] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.638250] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 278.638272] ? find_held_lock+0x36/0x1c0 [ 278.638289] ? graph_lock+0x170/0x170 [ 278.642597] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.645956] ? pvclock_read_flags+0x160/0x160 [ 278.649297] ksoftirqd/1 cpuset= [ 278.653298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.659788] / [ 278.664976] ? check_preemption_disabled+0x48/0x280 [ 278.669014] mems_allowed=0 [ 278.672809] ? __lock_is_held+0xb5/0x140 [ 278.710033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.715578] ? check_preemption_disabled+0x48/0x280 [ 278.720611] run_timer_softirq+0x52/0xb0 [ 278.724676] ? rcu_read_lock_sched_held+0x108/0x120 [ 278.729699] __do_softirq+0x30c/0xb03 [ 278.733520] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 278.738661] ? pvclock_read_flags+0x160/0x160 [ 278.743172] ? lapic_next_event+0x5a/0x90 [ 278.747339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.752880] ? check_preemption_disabled+0x48/0x280 [ 278.757897] ? check_preemption_disabled+0x48/0x280 [ 278.762923] ? kvm_clock_read+0x18/0x30 [ 278.766899] ? kvm_sched_clock_read+0x9/0x20 [ 278.771309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.776851] ? check_preemption_disabled+0x48/0x280 [ 278.781882] irq_exit+0x17f/0x1c0 [ 278.785340] smp_apic_timer_interrupt+0x1cb/0x760 [ 278.790183] ? smp_reschedule_interrupt+0x109/0x650 [ 278.795202] ? smp_call_function_single_interrupt+0x650/0x650 [ 278.801106] ? interrupt_entry+0xb5/0xf0 [ 278.805171] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.810190] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.815213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.820059] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.825075] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.830092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.835649] ? check_preemption_disabled+0x48/0x280 [ 278.840670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.846218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.851072] apic_timer_interrupt+0xf/0x20 [ 278.855301] [ 278.857559] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 278.862492] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 278.881395] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 278.889116] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 278.896386] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 278.903662] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 278.910932] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 278.918207] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 278.925552] skb_clone+0x1bb/0x500 [ 278.929100] ? skb_split+0x11e0/0x11e0 [ 278.932992] ? check_preemption_disabled+0x48/0x280 [ 278.938020] ? __this_cpu_preempt_check+0x1c/0x20 [ 278.942868] ? __bpf_redirect+0x54b/0xb20 [ 278.947029] bpf_clone_redirect+0xb9/0x490 [ 278.951282] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 278.956303] ? __sched_text_start+0x8/0x8 [ 278.960469] ? find_held_lock+0x36/0x1c0 [ 278.964540] ? lock_acquire+0x1ed/0x520 [ 278.968519] ? bpf_test_run+0x3cb/0x780 [ 278.972501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.978046] ? check_preemption_disabled+0x48/0x280 [ 278.983072] ? kasan_check_read+0x11/0x20 [ 278.987227] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.992520] ? rcu_bh_qs+0xc0/0xc0 [ 278.996065] ? preempt_schedule+0x4d/0x60 [ 279.000237] ? ___preempt_schedule+0x16/0x18 [ 279.004663] ? bpf_test_run+0x25d/0x780 [ 279.008655] ? netlink_diag_dump+0x2a0/0x2a0 [ 279.013071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.018609] ? bpf_test_init.isra.10+0x70/0x100 [ 279.023286] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 279.028052] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 279.032900] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 279.038446] ? fput+0x130/0x1a0 [ 279.041738] ? __bpf_prog_get+0x9b/0x290 [ 279.045805] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 279.050682] ? bpf_prog_test_run+0x130/0x1a0 [ 279.055096] ? __x64_sys_bpf+0x3d8/0x520 [ 279.059158] ? bpf_prog_get+0x20/0x20 [ 279.062979] ? do_syscall_64+0x1b9/0x820 [ 279.067043] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 279.072418] ? syscall_return_slowpath+0x5e0/0x5e0 [ 279.077359] ? trace_hardirqs_on_caller+0x310/0x310 [ 279.082381] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 279.087442] ? recalc_sigpending_tsk+0x180/0x180 [ 279.092200] ? kasan_check_write+0x14/0x20 [ 279.096474] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.101342] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 279.106725] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 279.106801] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 279.113657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.113666] Call Trace: [ 279.120228] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 279.129498] dump_stack+0x1c4/0x2b6 [ 279.132063] syz-executor0 cpuset= [ 279.142547] ? dump_stack_print_info.cold.1+0x20/0x20 [ 279.146148] syz0 [ 279.149607] warn_alloc.cold.119+0xb7/0x1bd [ 279.154768] mems_allowed=0 [ 279.156743] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.168808] ? lock_downgrade+0x900/0x900 [ 279.172973] ? trace_hardirqs_off+0xb8/0x310 [ 279.177398] ? trace_hardirqs_off+0xb8/0x310 [ 279.181861] __alloc_pages_slowpath+0x265e/0x2d70 [ 279.186737] ? warn_alloc+0x120/0x120 [ 279.190549] ? warn_alloc+0x120/0x120 [ 279.194368] ? print_usage_bug+0xc0/0xc0 [ 279.198469] ? warn_alloc+0x120/0x120 [ 279.202275] ? print_usage_bug+0xc0/0xc0 [ 279.206341] ? __lock_acquire+0x7ec/0x4ec0 [ 279.210579] ? __lock_acquire+0x7ec/0x4ec0 [ 279.214826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.220367] ? should_fail+0x22d/0xd01 [ 279.224257] ? __lock_acquire+0x7ec/0x4ec0 [ 279.228495] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.233606] ? __lock_acquire+0x7ec/0x4ec0 [ 279.237849] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.242959] ? __lock_acquire+0x7ec/0x4ec0 [ 279.247193] ? should_fail+0x22d/0xd01 [ 279.251095] ? mark_held_locks+0x130/0x130 [ 279.255339] ? mark_held_locks+0x130/0x130 [ 279.259594] ? graph_lock+0x170/0x170 [ 279.263401] ? print_usage_bug+0xc0/0xc0 [ 279.267473] ? graph_lock+0x170/0x170 [ 279.271272] ? print_usage_bug+0xc0/0xc0 [ 279.275337] ? wq_watchdog_touch+0x9c/0xfe [ 279.279577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.285119] ? check_preemption_disabled+0x48/0x280 [ 279.290137] ? check_preemption_disabled+0x48/0x280 [ 279.295180] ? __lock_is_held+0xb5/0x140 [ 279.299256] __alloc_pages_nodemask+0xa80/0xde0 [ 279.303928] ? graph_lock+0x170/0x170 [ 279.307738] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 279.312753] ? graph_lock+0x170/0x170 [ 279.316570] ? find_held_lock+0x36/0x1c0 [ 279.320643] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.325331] ? lock_downgrade+0x900/0x900 [ 279.329508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.335053] cache_grow_begin+0x91/0x8c0 [ 279.339133] ? do_raw_spin_unlock+0xa7/0x330 [ 279.343559] fallback_alloc+0x203/0x2e0 [ 279.347541] ____cache_alloc_node+0x1c7/0x1e0 [ 279.352048] kmem_cache_alloc_node+0xe3/0x730 [ 279.356562] ? ipv6_get_ifaddr+0x42e/0x620 [ 279.360837] __alloc_skb+0x119/0x770 [ 279.364557] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.369839] ? skb_scrub_packet+0x490/0x490 [ 279.374164] ? lock_downgrade+0x900/0x900 [ 279.378320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.383862] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.389349] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.394806] ? addrconf_rs_timer+0x690/0x690 [ 279.399250] ndisc_alloc_skb+0x144/0x340 [ 279.403333] ndisc_send_rs+0x331/0x6e0 [ 279.407263] addrconf_rs_timer+0x314/0x690 [ 279.411508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.415759] call_timer_fn+0x272/0x920 [ 279.419648] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.423887] ? process_timeout+0x40/0x40 [ 279.427948] ? find_held_lock+0x36/0x1c0 [ 279.432018] ? __run_timers+0x7da/0xc70 [ 279.436003] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.440501] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.445022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.449274] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 279.453898] ? trace_hardirqs_on+0xbd/0x310 [ 279.458242] ? kasan_check_read+0x11/0x20 [ 279.462459] ? __run_timers+0x7da/0xc70 [ 279.466441] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.471909] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.476146] __run_timers+0x7e5/0xc70 [ 279.479967] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 279.485340] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.489853] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.494351] ? lockdep_hardirqs_on+0x421/0x5c0 [ 279.498935] ? trace_hardirqs_on+0xbd/0x310 [ 279.503264] ? kasan_check_read+0x11/0x20 [ 279.507454] ? finish_task_switch+0x1f4/0x910 [ 279.511956] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.517416] ? compat_start_thread+0x80/0x80 [ 279.521835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.527380] ? _raw_spin_unlock_irq+0x60/0x80 [ 279.531892] ? pvclock_read_flags+0x160/0x160 [ 279.536387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.541936] ? check_preemption_disabled+0x48/0x280 [ 279.546965] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.552249] ? rcu_pm_notify+0xc0/0xc0 [ 279.556139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.561678] ? check_preemption_disabled+0x48/0x280 [ 279.566705] run_timer_softirq+0x52/0xb0 [ 279.570767] ? rcu_read_lock_sched_held+0x108/0x120 [ 279.575787] __do_softirq+0x30c/0xb03 [ 279.579613] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 279.584716] ? trace_hardirqs_off+0x310/0x310 [ 279.589228] ? trace_hardirqs_on+0x310/0x310 [ 279.593669] ? schedule+0x108/0x460 [ 279.597303] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 279.602104] ? trace_hardirqs_off+0xb8/0x310 [ 279.606518] ? smpboot_thread_fn+0x68b/0xa00 [ 279.610930] ? trace_hardirqs_on+0x310/0x310 [ 279.615340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.620880] ? check_preemption_disabled+0x48/0x280 [ 279.625902] ? takeover_tasklets+0xa90/0xa90 [ 279.630314] run_ksoftirqd+0x94/0x100 [ 279.634115] smpboot_thread_fn+0x68b/0xa00 [ 279.638353] ? sort_range+0x30/0x30 [ 279.641983] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 279.647119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.652676] ? __kthread_parkme+0xfb/0x1a0 [ 279.656918] kthread+0x35a/0x420 [ 279.660290] ? sort_range+0x30/0x30 [ 279.663917] ? kthread_bind+0x40/0x40 [ 279.667730] ret_from_fork+0x3a/0x50 [ 279.671486] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 279.671491] warn_alloc_show_mem: 1 callbacks suppressed [ 279.671498] Mem-Info: [ 279.678856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.684245] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 279.684245] active_file:11 inactive_file:12 isolated_file:0 [ 279.684245] unevictable:0 dirty:0 writeback:0 unstable:0 [ 279.684245] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 279.684245] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 279.684245] free:13647 free_pcp:360 free_cma:0 [ 279.686615] Call Trace: [ 279.696002] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 279.729473] [ 279.732052] Node 0 [ 279.759901] dump_stack+0x1c4/0x2b6 [ 279.762051] 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 [ 279.764277] ? dump_stack_print_info.cold.1+0x20/0x20 [ 279.767873] lowmem_reserve[]: 0 [ 279.793390] warn_alloc.cold.119+0xb7/0x1bd [ 279.798546] 2819 [ 279.801824] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.806113] 6323 6323 [ 279.808178] ? lock_downgrade+0x900/0x900 [ 279.815502] ? trace_hardirqs_off+0xb8/0x310 [ 279.819625] Node 0 DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 279.824053] ? trace_hardirqs_off+0xb8/0x310 [ 279.824075] __alloc_pages_slowpath+0x265e/0x2d70 [ 279.851375] lowmem_reserve[]: 0 [ 279.855818] ? warn_alloc+0x120/0x120 [ 279.860616] 0 [ 279.863888] ? trace_hardirqs_on+0x310/0x310 [ 279.867668] 3503 [ 279.869468] ? warn_alloc+0x120/0x120 [ 279.873854] 3503 [ 279.875923] ? print_usage_bug+0xc0/0xc0 [ 279.879709] Node 0 [ 279.881774] ? warn_alloc+0x120/0x120 [ 279.885840] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 279.888049] ? ktime_get+0x2e1/0x440 [ 279.891819] lowmem_reserve[]: 0 [ 279.920275] ? print_usage_bug+0xc0/0xc0 [ 279.923968] 0 [ 279.927239] ? __lock_acquire+0x7ec/0x4ec0 [ 279.931272] 0 0 [ 279.933093] ? __lock_acquire+0x7ec/0x4ec0 [ 279.939288] ? kasan_check_read+0x11/0x20 [ 279.943495] Node 0 [ 279.947636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.947646] DMA: [ 279.949882] ? should_fail+0x22d/0xd01 [ 279.955393] 1*4kB [ 279.957463] ? rcu_bh_qs+0xc0/0xc0 [ 279.961325] (U) [ 279.963475] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.966984] 0*8kB 0*16kB [ 279.968961] ? __lock_acquire+0x7ec/0x4ec0 [ 279.974039] 1*32kB [ 279.976793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.981004] (U) [ 279.983248] ? __lock_acquire+0x7ec/0x4ec0 [ 279.988323] 2*64kB (U) [ 279.990304] ? should_fail+0x22d/0xd01 [ 279.994511] 1*128kB (U) [ 279.997098] ? rcu_idle_enter+0x4b0/0x4b0 [ 280.000960] 1*256kB [ 280.003626] ? mark_held_locks+0x130/0x130 [ 280.007741] (U) 0*512kB [ 280.010067] ? mark_held_locks+0x130/0x130 [ 280.014287] 1*1024kB (U) [ 280.016963] ? mark_held_locks+0xc7/0x130 [ 280.021175] 1*2048kB [ 280.023928] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 280.028052] (M) [ 280.030474] ? graph_lock+0x170/0x170 [ 280.035465] 3*4096kB [ 280.037446] ? print_usage_bug+0xc0/0xc0 [ 280.041224] (M) [ 280.043647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.047686] = 15908kB [ 280.049662] ? check_preemption_disabled+0x48/0x280 [ 280.055168] Node 0 [ 280.057574] ? check_preemption_disabled+0x48/0x280 [ 280.062561] DMA32: [ 280.064802] ? __lock_is_held+0xb5/0x140 [ 280.069789] 4*4kB [ 280.072023] __alloc_pages_nodemask+0xa80/0xde0 [ 280.076055] (UM) [ 280.078201] ? graph_lock+0x170/0x170 [ 280.082862] 2*8kB [ 280.084922] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 280.088696] (UM) [ 280.090844] ? graph_lock+0x170/0x170 [ 280.095838] 2*16kB [ 280.097899] ? find_held_lock+0x36/0x1c0 [ 280.101667] (M) [ 280.103902] ? ____cache_alloc_node+0x1c7/0x1e0 [ 280.107937] 3*32kB [ 280.109909] ? lock_downgrade+0x900/0x900 [ 280.114557] (UM) [ 280.116791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.120911] 4*64kB (M) [ 280.122983] cache_grow_begin+0x91/0x8c0 [ 280.128492] 4*128kB (UM) [ 280.131080] ? do_raw_spin_unlock+0xa7/0x330 [ 280.135115] 3*256kB [ 280.137871] fallback_alloc+0x203/0x2e0 [ 280.142251] (M) 3*512kB [ 280.144618] ____cache_alloc_node+0x1c7/0x1e0 [ 280.148668] (M) [ 280.151334] kmem_cache_alloc_node+0xe3/0x730 [ 280.155805] 3*1024kB [ 280.157780] ? ipv6_get_ifaddr+0x42e/0x620 [ 280.162247] (UM) 3*2048kB [ 280.164667] __alloc_skb+0x119/0x770 [ 280.168871] (M) [ 280.171715] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.175401] 3*4096kB [ 280.177399] ? skb_scrub_packet+0x490/0x490 [ 280.182671] (M) [ 280.185077] ? lock_downgrade+0x900/0x900 [ 280.189370] = 24736kB [ 280.191342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.195462] Node 0 [ 280.197871] ? refcount_sub_and_test_checked+0x203/0x310 [ 280.203379] Normal: [ 280.205635] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 280.211067] 592*4kB [ 280.213402] ? addrconf_rs_timer+0x690/0x690 [ 280.218834] (UMEH) [ 280.221160] ndisc_alloc_skb+0x144/0x340 [ 280.225540] 405*8kB [ 280.227769] ndisc_send_rs+0x331/0x6e0 [ 280.231804] (UMEH) [ 280.234121] addrconf_rs_timer+0x314/0x690 [ 280.237985] 177*16kB [ 280.240257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.244481] (UME) [ 280.246898] call_timer_fn+0x272/0x920 [ 280.251097] 103*32kB (UMH) [ 280.253265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.257130] 15*64kB [ 280.260066] ? process_timeout+0x40/0x40 [ 280.264277] (UMH) [ 280.266607] ? find_held_lock+0x36/0x1c0 [ 280.270643] 0*128kB [ 280.272792] ? __run_timers+0x7da/0xc70 [ 280.276822] 1*256kB [ 280.279143] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.283090] (H) [ 280.285416] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.289892] 0*512kB [ 280.291863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.296339] 1*1024kB [ 280.298659] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 280.302865] (H) [ 280.305271] ? trace_hardirqs_on+0xbd/0x310 [ 280.309858] 0*2048kB [ 280.311846] ? kasan_check_read+0x11/0x20 [ 280.316140] 0*4096kB = 13976kB [ 280.318564] ? __run_timers+0x7da/0xc70 [ 280.322688] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 280.325873] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.329828] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 280.338659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.344084] 1241 total pagecache pages [ 280.352658] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.356872] 0 pages in swap cache [ 280.360754] __run_timers+0x7e5/0xc70 [ 280.360781] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 280.364989] Swap cache stats: add 0, delete 0, find 0/0 [ 280.368433] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 280.372201] Free swap = 0kB [ 280.372210] Total swap = 0kB [ 280.377567] ? graph_lock+0x170/0x170 [ 280.382909] 1965979 pages RAM [ 280.387922] ? enqueue_hrtimer+0x1a5/0x560 [ 280.390916] 0 pages HighMem/MovableOnly [ 280.393932] ? lock_release+0x970/0x970 [ 280.397705] 342306 pages reserved [ 280.397713] 0 pages cma reserved [ 280.400822] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 280.405122] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 280.408999] ? find_held_lock+0x36/0x1c0 [ 280.409017] ? graph_lock+0x170/0x170 [ 280.409032] ? pvclock_read_flags+0x160/0x160 [ 280.413051] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 280.416444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.419789] ksoftirqd/1 cpuset= [ 280.424975] ? check_preemption_disabled+0x48/0x280 [ 280.431439] / [ 280.435520] ? __lock_is_held+0xb5/0x140 [ 280.439297] mems_allowed=0 [ 280.443784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.482051] ? check_preemption_disabled+0x48/0x280 [ 280.487077] run_timer_softirq+0x52/0xb0 [ 280.491139] ? rcu_read_lock_sched_held+0x108/0x120 [ 280.496158] __do_softirq+0x30c/0xb03 [ 280.499969] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 280.505098] ? pvclock_read_flags+0x160/0x160 [ 280.509606] ? lapic_next_event+0x5a/0x90 [ 280.513767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.519316] ? check_preemption_disabled+0x48/0x280 [ 280.524346] ? check_preemption_disabled+0x48/0x280 [ 280.529376] ? kvm_clock_read+0x18/0x30 [ 280.533358] ? kvm_sched_clock_read+0x9/0x20 [ 280.537769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.543314] ? check_preemption_disabled+0x48/0x280 [ 280.548360] irq_exit+0x17f/0x1c0 [ 280.551842] smp_apic_timer_interrupt+0x1cb/0x760 [ 280.556689] ? smp_reschedule_interrupt+0x109/0x650 [ 280.561710] ? smp_call_function_single_interrupt+0x650/0x650 [ 280.567604] ? interrupt_entry+0xb5/0xf0 [ 280.571684] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.576699] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.581718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.586571] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.591586] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.596609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.602153] ? check_preemption_disabled+0x48/0x280 [ 280.607169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.612718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.617582] apic_timer_interrupt+0xf/0x20 [ 280.621814] [ 280.624542] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 280.629478] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 280.648388] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 280.656111] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 280.663377] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 280.670651] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 280.677922] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 280.685196] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 280.692513] skb_clone+0x1bb/0x500 [ 280.696069] ? skb_split+0x11e0/0x11e0 [ 280.699971] ? check_preemption_disabled+0x48/0x280 [ 280.705001] ? __this_cpu_preempt_check+0x1c/0x20 [ 280.709848] ? __bpf_redirect+0x54b/0xb20 [ 280.714014] bpf_clone_redirect+0xb9/0x490 [ 280.718263] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 280.723287] ? __sched_text_start+0x8/0x8 [ 280.727456] ? find_held_lock+0x36/0x1c0 [ 280.731528] ? lock_acquire+0x1ed/0x520 [ 280.735504] ? bpf_test_run+0x3cb/0x780 [ 280.739481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.745026] ? check_preemption_disabled+0x48/0x280 [ 280.750054] ? kasan_check_read+0x11/0x20 [ 280.754223] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.759506] ? rcu_bh_qs+0xc0/0xc0 [ 280.763055] ? preempt_schedule+0x4d/0x60 [ 280.767209] ? ___preempt_schedule+0x16/0x18 [ 280.771628] ? bpf_test_run+0x25d/0x780 [ 280.775615] ? netlink_diag_dump+0x2a0/0x2a0 [ 280.780028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.785567] ? bpf_test_init.isra.10+0x70/0x100 [ 280.790246] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 280.795013] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 280.799860] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 280.805403] ? fput+0x130/0x1a0 [ 280.808694] ? __bpf_prog_get+0x9b/0x290 [ 280.812763] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 280.817609] ? bpf_prog_test_run+0x130/0x1a0 [ 280.822024] ? __x64_sys_bpf+0x3d8/0x520 [ 280.826116] ? bpf_prog_get+0x20/0x20 [ 280.829953] ? do_syscall_64+0x1b9/0x820 [ 280.834015] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 280.839391] ? syscall_return_slowpath+0x5e0/0x5e0 [ 280.844370] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.849394] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 280.854430] ? recalc_sigpending_tsk+0x180/0x180 [ 280.859205] ? kasan_check_write+0x14/0x20 [ 280.863451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.868303] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 280.873690] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 280.873766] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 280.880622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.880628] Call Trace: [ 280.880648] dump_stack+0x1c4/0x2b6 [ 280.880670] ? dump_stack_print_info.cold.1+0x20/0x20 [ 280.887231] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 280.896507] warn_alloc.cold.119+0xb7/0x1bd [ 280.899058] syz-executor0 cpuset= [ 280.902683] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 280.907851] syz0 [ 280.918332] ? lock_downgrade+0x900/0x900 [ 280.922632] mems_allowed=0 [ 280.926084] ? trace_hardirqs_off+0xb8/0x310 [ 280.944321] ? trace_hardirqs_off+0xb8/0x310 [ 280.948739] __alloc_pages_slowpath+0x265e/0x2d70 [ 280.953615] ? warn_alloc+0x120/0x120 [ 280.957434] ? warn_alloc+0x120/0x120 [ 280.961249] ? print_usage_bug+0xc0/0xc0 [ 280.965331] ? warn_alloc+0x120/0x120 [ 280.969139] ? print_usage_bug+0xc0/0xc0 [ 280.973222] ? __lock_acquire+0x7ec/0x4ec0 [ 280.977459] ? __lock_acquire+0x7ec/0x4ec0 [ 280.981694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.987239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.992792] ? should_fail+0x22d/0xd01 [ 280.996685] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.001790] ? __lock_acquire+0x7ec/0x4ec0 [ 281.006030] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.011131] ? __lock_acquire+0x7ec/0x4ec0 [ 281.015391] ? should_fail+0x22d/0xd01 [ 281.019334] ? mark_held_locks+0x130/0x130 [ 281.023577] ? mark_held_locks+0x130/0x130 [ 281.027834] ? graph_lock+0x170/0x170 [ 281.031636] ? print_usage_bug+0xc0/0xc0 [ 281.035699] ? graph_lock+0x170/0x170 [ 281.039503] ? print_usage_bug+0xc0/0xc0 [ 281.043569] ? wq_watchdog_touch+0x9c/0xfe [ 281.047808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.053351] ? check_preemption_disabled+0x48/0x280 [ 281.058402] ? check_preemption_disabled+0x48/0x280 [ 281.063452] ? __lock_is_held+0xb5/0x140 [ 281.067542] __alloc_pages_nodemask+0xa80/0xde0 [ 281.072259] ? graph_lock+0x170/0x170 [ 281.076080] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 281.081092] ? graph_lock+0x170/0x170 [ 281.084906] ? find_held_lock+0x36/0x1c0 [ 281.088996] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.093689] ? lock_downgrade+0x900/0x900 [ 281.097851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.103404] cache_grow_begin+0x91/0x8c0 [ 281.107481] ? do_raw_spin_unlock+0xa7/0x330 [ 281.111905] fallback_alloc+0x203/0x2e0 [ 281.115892] ____cache_alloc_node+0x1c7/0x1e0 [ 281.120398] kmem_cache_alloc_node+0xe3/0x730 [ 281.124904] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.129153] __alloc_skb+0x119/0x770 [ 281.132872] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.138161] ? skb_scrub_packet+0x490/0x490 [ 281.142484] ? lock_downgrade+0x900/0x900 [ 281.146643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.152192] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.157665] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.163122] ? addrconf_rs_timer+0x690/0x690 [ 281.167549] ndisc_alloc_skb+0x144/0x340 [ 281.171617] ndisc_send_rs+0x331/0x6e0 [ 281.175514] addrconf_rs_timer+0x314/0x690 [ 281.179757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.184010] call_timer_fn+0x272/0x920 [ 281.187902] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.192143] ? process_timeout+0x40/0x40 [ 281.196231] ? find_held_lock+0x36/0x1c0 [ 281.200318] ? __run_timers+0x7da/0xc70 [ 281.204301] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.208797] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.213296] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.217535] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 281.222121] ? trace_hardirqs_on+0xbd/0x310 [ 281.226448] ? kasan_check_read+0x11/0x20 [ 281.230603] ? __run_timers+0x7da/0xc70 [ 281.234581] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.240047] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.244288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.248598] __run_timers+0x7e5/0xc70 [ 281.252454] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 281.257821] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.262323] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.266821] ? lockdep_hardirqs_on+0x421/0x5c0 [ 281.271419] ? trace_hardirqs_on+0xbd/0x310 [ 281.275748] ? kasan_check_read+0x11/0x20 [ 281.279904] ? finish_task_switch+0x1f4/0x910 [ 281.284404] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.289865] ? compat_start_thread+0x80/0x80 [ 281.294279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.299858] ? _raw_spin_unlock_irq+0x60/0x80 [ 281.304378] ? pvclock_read_flags+0x160/0x160 [ 281.308882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.314429] ? check_preemption_disabled+0x48/0x280 [ 281.319466] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.324749] ? rcu_pm_notify+0xc0/0xc0 [ 281.328640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.334185] ? check_preemption_disabled+0x48/0x280 [ 281.339213] run_timer_softirq+0x52/0xb0 [ 281.343285] ? rcu_read_lock_sched_held+0x108/0x120 [ 281.348309] __do_softirq+0x30c/0xb03 [ 281.352125] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 281.357228] ? trace_hardirqs_off+0x310/0x310 [ 281.361745] ? trace_hardirqs_on+0x310/0x310 [ 281.366162] ? schedule+0x108/0x460 [ 281.369809] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 281.374609] ? trace_hardirqs_off+0xb8/0x310 [ 281.379024] ? smpboot_thread_fn+0x68b/0xa00 [ 281.383438] ? trace_hardirqs_on+0x310/0x310 [ 281.387855] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.393446] ? check_preemption_disabled+0x48/0x280 [ 281.398491] ? takeover_tasklets+0xa90/0xa90 [ 281.402906] run_ksoftirqd+0x94/0x100 [ 281.406708] smpboot_thread_fn+0x68b/0xa00 [ 281.410948] ? sort_range+0x30/0x30 [ 281.414599] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 281.419703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.425248] ? __kthread_parkme+0xfb/0x1a0 [ 281.429488] kthread+0x35a/0x420 [ 281.432856] ? sort_range+0x30/0x30 [ 281.436487] ? kthread_bind+0x40/0x40 [ 281.440309] ret_from_fork+0x3a/0x50 [ 281.444050] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 281.444056] warn_alloc_show_mem: 1 callbacks suppressed [ 281.444063] Mem-Info: [ 281.451425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.456794] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 281.456794] active_file:11 inactive_file:12 isolated_file:0 [ 281.456794] unevictable:0 dirty:0 writeback:0 unstable:0 [ 281.456794] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 281.456794] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 281.456794] free:13647 free_pcp:360 free_cma:0 [ 281.459174] Call Trace: [ 281.468568] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 281.501586] [ 281.504185] Node 0 [ 281.531878] dump_stack+0x1c4/0x2b6 [ 281.534045] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 281.536259] ? dump_stack_print_info.cold.1+0x20/0x20 [ 281.539857] lowmem_reserve[]: 0 [ 281.565371] warn_alloc.cold.119+0xb7/0x1bd [ 281.570527] 2819 [ 281.573801] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.578096] 6323 [ 281.580162] ? lock_downgrade+0x900/0x900 [ 281.584969] 6323 [ 281.587040] ? trace_hardirqs_off+0xb8/0x310 [ 281.591161] Node 0 [ 281.593220] ? trace_hardirqs_off+0xb8/0x310 [ 281.597631] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 281.599841] __alloc_pages_slowpath+0x265e/0x2d70 [ 281.604228] lowmem_reserve[]: 0 [ 281.630967] ? warn_alloc+0x120/0x120 [ 281.635763] 0 [ 281.639035] ? trace_hardirqs_on+0x310/0x310 [ 281.642811] 3503 [ 281.644608] ? warn_alloc+0x120/0x120 [ 281.648994] 3503 [ 281.651056] ? print_usage_bug+0xc0/0xc0 [ 281.656895] ? warn_alloc+0x120/0x120 [ 281.660929] Node 0 [ 281.664721] ? ktime_get+0x2e1/0x440 [ 281.664757] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 281.666969] ? print_usage_bug+0xc0/0xc0 [ 281.670657] lowmem_reserve[]: [ 281.699120] ? __lock_acquire+0x7ec/0x4ec0 [ 281.703173] 0 [ 281.706270] ? __lock_acquire+0x7ec/0x4ec0 [ 281.710478] 0 [ 281.712279] ? kasan_check_read+0x11/0x20 [ 281.716488] 0 [ 281.718287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.722418] 0 [ 281.724217] ? should_fail+0x22d/0xd01 [ 281.729763] Node 0 [ 281.731566] ? rcu_bh_qs+0xc0/0xc0 [ 281.735439] DMA: [ 281.737673] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.741205] 1*4kB [ 281.743293] ? __lock_acquire+0x7ec/0x4ec0 [ 281.748370] (U) [ 281.750524] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.755264] 0*8kB 0*16kB [ 281.757265] ? __lock_acquire+0x7ec/0x4ec0 [ 281.762346] 1*32kB [ 281.765142] ? should_fail+0x22d/0xd01 [ 281.769354] (U) [ 281.771586] ? rcu_idle_enter+0x4b0/0x4b0 [ 281.775473] 2*64kB [ 281.777463] ? mark_held_locks+0x130/0x130 [ 281.781574] (U) 1*128kB [ 281.783816] ? mark_held_locks+0x130/0x130 [ 281.788021] (U) 1*256kB [ 281.790700] ? mark_held_locks+0xc7/0x130 [ 281.794910] (U) [ 281.797576] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 281.801700] 0*512kB [ 281.803671] ? graph_lock+0x170/0x170 [ 281.808673] 1*1024kB (U) [ 281.810997] ? print_usage_bug+0xc0/0xc0 [ 281.814775] 1*2048kB [ 281.817529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.821565] (M) [ 281.823973] ? check_preemption_disabled+0x48/0x280 [ 281.829508] 3*4096kB (M) [ 281.831517] ? check_preemption_disabled+0x48/0x280 [ 281.836506] = 15908kB [ 281.839291] ? __lock_is_held+0xb5/0x140 [ 281.844292] Node 0 [ 281.846700] __alloc_pages_nodemask+0xa80/0xde0 [ 281.850734] DMA32: [ 281.852966] ? graph_lock+0x170/0x170 [ 281.857614] 4*4kB [ 281.859848] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 281.863623] (UM) [ 281.865769] ? graph_lock+0x170/0x170 [ 281.870765] 2*8kB [ 281.872829] ? find_held_lock+0x36/0x1c0 [ 281.876602] (UM) [ 281.878757] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.882784] 2*16kB [ 281.884844] ? lock_downgrade+0x900/0x900 [ 281.889483] (M) 3*32kB [ 281.891730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.895841] (UM) 4*64kB [ 281.898435] cache_grow_begin+0x91/0x8c0 [ 281.903938] (M) 4*128kB [ 281.906618] ? do_raw_spin_unlock+0xa7/0x330 [ 281.910650] (UM) [ 281.913315] fallback_alloc+0x203/0x2e0 [ 281.917703] 3*256kB (M) [ 281.919778] ____cache_alloc_node+0x1c7/0x1e0 [ 281.923728] 3*512kB [ 281.926401] kmem_cache_alloc_node+0xe3/0x730 [ 281.930891] (M) [ 281.933208] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.937687] 3*1024kB (UM) [ 281.939687] __alloc_skb+0x119/0x770 [ 281.943887] 3*2048kB (M) [ 281.946745] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.950431] 3*4096kB (M) [ 281.953193] ? skb_scrub_packet+0x490/0x490 [ 281.958466] = 24736kB [ 281.961216] ? lock_downgrade+0x900/0x900 [ 281.965517] Node 0 [ 281.967926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.972039] Normal: 592*4kB [ 281.974299] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.979810] (UMEH) [ 281.982828] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.988261] 405*8kB [ 281.990495] ? addrconf_rs_timer+0x690/0x690 [ 281.995918] (UMEH) [ 281.998245] ndisc_alloc_skb+0x144/0x340 [ 282.002621] 177*16kB (UME) [ 282.004864] ndisc_send_rs+0x331/0x6e0 [ 282.008900] 103*32kB [ 282.011826] addrconf_rs_timer+0x314/0x690 [ 282.015688] (UMH) [ 282.018093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.022297] 15*64kB (UMH) [ 282.024466] call_timer_fn+0x272/0x920 [ 282.028670] 0*128kB [ 282.031509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.035373] 1*256kB [ 282.037764] ? process_timeout+0x40/0x40 [ 282.041968] (H) [ 282.044324] ? find_held_lock+0x36/0x1c0 [ 282.048362] 0*512kB [ 282.050337] ? __run_timers+0x7da/0xc70 [ 282.054362] 1*1024kB (H) [ 282.056689] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.060631] 0*2048kB 0*4096kB [ 282.063396] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.067889] = 13976kB [ 282.071119] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.075596] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 282.077997] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 282.082217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 282.091042] ? trace_hardirqs_on+0xbd/0x310 [ 282.095599] 1241 total pagecache pages [ 282.104193] ? kasan_check_read+0x11/0x20 [ 282.108499] 0 pages in swap cache [ 282.112373] ? __run_timers+0x7da/0xc70 [ 282.116502] Swap cache stats: add 0, delete 0, find 0/0 [ 282.119945] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.123893] Free swap = 0kB [ 282.129258] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.134687] Total swap = 0kB [ 282.137717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.141941] 1965979 pages RAM [ 282.144951] __run_timers+0x7e5/0xc70 [ 282.149155] 0 pages HighMem/MovableOnly [ 282.149164] 342306 pages reserved [ 282.152336] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 282.156112] 0 pages cma reserved [ 282.156222] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 282.160087] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.163575] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 282.168875] ? graph_lock+0x170/0x170 [ 282.172221] ksoftirqd/1 cpuset= [ 282.178706] ? enqueue_hrtimer+0x1a5/0x560 [ 282.183703] / [ 282.194006] ? lock_release+0x970/0x970 [ 282.197785] mems_allowed=0 [ 282.201054] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.219025] ? find_held_lock+0x36/0x1c0 [ 282.223106] ? graph_lock+0x170/0x170 [ 282.226911] ? pvclock_read_flags+0x160/0x160 [ 282.231420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.236967] ? check_preemption_disabled+0x48/0x280 [ 282.241997] ? __lock_is_held+0xb5/0x140 [ 282.246059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.251600] ? check_preemption_disabled+0x48/0x280 [ 282.256627] run_timer_softirq+0x52/0xb0 [ 282.260693] ? rcu_read_lock_sched_held+0x108/0x120 [ 282.265713] __do_softirq+0x30c/0xb03 [ 282.269544] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 282.274654] ? pvclock_read_flags+0x160/0x160 [ 282.279184] ? lapic_next_event+0x5a/0x90 [ 282.283347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.288885] ? check_preemption_disabled+0x48/0x280 [ 282.293902] ? check_preemption_disabled+0x48/0x280 [ 282.298940] ? kvm_clock_read+0x18/0x30 [ 282.302918] ? kvm_sched_clock_read+0x9/0x20 [ 282.307335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.312877] ? check_preemption_disabled+0x48/0x280 [ 282.317910] irq_exit+0x17f/0x1c0 [ 282.321365] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.326209] ? smp_reschedule_interrupt+0x109/0x650 [ 282.331227] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.337113] ? interrupt_entry+0xb5/0xf0 [ 282.341177] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.346195] ? trace_hardirqs_off_caller+0xbb/0x310 [ 282.351218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.356061] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.361079] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.366096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.371667] ? check_preemption_disabled+0x48/0x280 [ 282.376682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.382228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.387081] apic_timer_interrupt+0xf/0x20 [ 282.391312] [ 282.393553] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 282.398483] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 282.417379] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 282.425134] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 282.432401] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 282.439679] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 282.446948] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 282.454217] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 282.461528] skb_clone+0x1bb/0x500 [ 282.465072] ? skb_split+0x11e0/0x11e0 [ 282.468964] ? check_preemption_disabled+0x48/0x280 [ 282.473988] ? __this_cpu_preempt_check+0x1c/0x20 [ 282.478834] ? __bpf_redirect+0x54b/0xb20 [ 282.482993] bpf_clone_redirect+0xb9/0x490 [ 282.487238] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 282.492259] ? __sched_text_start+0x8/0x8 [ 282.496431] ? find_held_lock+0x36/0x1c0 [ 282.500506] ? lock_acquire+0x1ed/0x520 [ 282.504480] ? bpf_test_run+0x3cb/0x780 [ 282.508457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.514000] ? check_preemption_disabled+0x48/0x280 [ 282.519023] ? kasan_check_read+0x11/0x20 [ 282.523177] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.528455] ? rcu_bh_qs+0xc0/0xc0 [ 282.531997] ? preempt_schedule+0x4d/0x60 [ 282.536151] ? ___preempt_schedule+0x16/0x18 [ 282.540568] ? bpf_test_run+0x25d/0x780 [ 282.544555] ? netlink_diag_dump+0x2a0/0x2a0 [ 282.548991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.554533] ? bpf_test_init.isra.10+0x70/0x100 [ 282.559208] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 282.563973] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 282.568818] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 282.574361] ? fput+0x130/0x1a0 [ 282.577643] ? __bpf_prog_get+0x9b/0x290 [ 282.581707] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 282.586556] ? bpf_prog_test_run+0x130/0x1a0 [ 282.590973] ? __x64_sys_bpf+0x3d8/0x520 [ 282.595040] ? bpf_prog_get+0x20/0x20 [ 282.598861] ? do_syscall_64+0x1b9/0x820 [ 282.602925] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 282.608296] ? syscall_return_slowpath+0x5e0/0x5e0 [ 282.613230] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.618252] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 282.623764] ? recalc_sigpending_tsk+0x180/0x180 [ 282.628527] ? kasan_check_write+0x14/0x20 [ 282.632776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.637637] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 282.643025] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 282.643096] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 282.649950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.649955] Call Trace: [ 282.649974] dump_stack+0x1c4/0x2b6 [ 282.649993] ? dump_stack_print_info.cold.1+0x20/0x20 [ 282.650019] warn_alloc.cold.119+0xb7/0x1bd [ 282.656575] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 282.665839] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 282.668401] syz-executor0 cpuset= [ 282.672032] ? lock_downgrade+0x900/0x900 [ 282.677196] syz0 [ 282.681517] ? trace_hardirqs_off+0xb8/0x310 [ 282.691977] mems_allowed=0 [ 282.696813] ? trace_hardirqs_off+0xb8/0x310 [ 282.718071] __alloc_pages_slowpath+0x265e/0x2d70 [ 282.722947] ? warn_alloc+0x120/0x120 [ 282.726760] ? warn_alloc+0x120/0x120 [ 282.730566] ? print_usage_bug+0xc0/0xc0 [ 282.734634] ? warn_alloc+0x120/0x120 [ 282.738452] ? print_usage_bug+0xc0/0xc0 [ 282.742519] ? __lock_acquire+0x7ec/0x4ec0 [ 282.746759] ? __lock_acquire+0x7ec/0x4ec0 [ 282.751003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.756988] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.762529] ? should_fail+0x22d/0xd01 [ 282.766436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.771543] ? __lock_acquire+0x7ec/0x4ec0 [ 282.775790] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.780897] ? __lock_acquire+0x7ec/0x4ec0 [ 282.785133] ? should_fail+0x22d/0xd01 [ 282.789033] ? mark_held_locks+0x130/0x130 [ 282.793274] ? mark_held_locks+0x130/0x130 [ 282.797516] ? graph_lock+0x170/0x170 [ 282.801323] ? print_usage_bug+0xc0/0xc0 [ 282.805387] ? graph_lock+0x170/0x170 [ 282.809196] ? print_usage_bug+0xc0/0xc0 [ 282.813282] ? wq_watchdog_touch+0x9c/0xfe [ 282.817524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.823067] ? check_preemption_disabled+0x48/0x280 [ 282.828087] ? check_preemption_disabled+0x48/0x280 [ 282.833121] ? __lock_is_held+0xb5/0x140 [ 282.837195] __alloc_pages_nodemask+0xa80/0xde0 [ 282.841879] ? graph_lock+0x170/0x170 [ 282.845695] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 282.850719] ? graph_lock+0x170/0x170 [ 282.854536] ? find_held_lock+0x36/0x1c0 [ 282.858615] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.863288] ? lock_downgrade+0x900/0x900 [ 282.867457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.873002] cache_grow_begin+0x91/0x8c0 [ 282.877067] ? do_raw_spin_unlock+0xa7/0x330 [ 282.881491] fallback_alloc+0x203/0x2e0 [ 282.885474] ____cache_alloc_node+0x1c7/0x1e0 [ 282.889984] kmem_cache_alloc_node+0xe3/0x730 [ 282.894485] ? ipv6_get_ifaddr+0x42e/0x620 [ 282.898740] __alloc_skb+0x119/0x770 [ 282.902459] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.907742] ? skb_scrub_packet+0x490/0x490 [ 282.912068] ? lock_downgrade+0x900/0x900 [ 282.916226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.921779] ? refcount_sub_and_test_checked+0x203/0x310 [ 282.927243] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 282.932700] ? addrconf_rs_timer+0x690/0x690 [ 282.937124] ndisc_alloc_skb+0x144/0x340 [ 282.941196] ndisc_send_rs+0x331/0x6e0 [ 282.945093] addrconf_rs_timer+0x314/0x690 [ 282.949336] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.953591] call_timer_fn+0x272/0x920 [ 282.957480] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.961718] ? process_timeout+0x40/0x40 [ 282.965784] ? find_held_lock+0x36/0x1c0 [ 282.969859] ? __run_timers+0x7da/0xc70 [ 282.973843] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.978344] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.982843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.987082] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 282.991672] ? trace_hardirqs_on+0xbd/0x310 [ 282.995996] ? kasan_check_read+0x11/0x20 [ 283.000148] ? __run_timers+0x7da/0xc70 [ 283.004128] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.009588] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.013830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.018066] __run_timers+0x7e5/0xc70 [ 283.021881] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 283.027255] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.031751] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.036272] ? lockdep_hardirqs_on+0x421/0x5c0 [ 283.040890] ? trace_hardirqs_on+0xbd/0x310 [ 283.045215] ? kasan_check_read+0x11/0x20 [ 283.049375] ? finish_task_switch+0x1f4/0x910 [ 283.053889] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.059344] ? compat_start_thread+0x80/0x80 [ 283.063763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.069312] ? _raw_spin_unlock_irq+0x60/0x80 [ 283.073815] ? pvclock_read_flags+0x160/0x160 [ 283.078314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.083859] ? check_preemption_disabled+0x48/0x280 [ 283.088898] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.094181] ? rcu_pm_notify+0xc0/0xc0 [ 283.098078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.103624] ? check_preemption_disabled+0x48/0x280 [ 283.108670] run_timer_softirq+0x52/0xb0 [ 283.112745] ? rcu_read_lock_sched_held+0x108/0x120 [ 283.117776] __do_softirq+0x30c/0xb03 [ 283.121600] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 283.126706] ? trace_hardirqs_off+0x310/0x310 [ 283.131205] ? trace_hardirqs_on+0x310/0x310 [ 283.135635] ? schedule+0x108/0x460 [ 283.139268] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 283.144042] ? trace_hardirqs_off+0xb8/0x310 [ 283.148463] ? smpboot_thread_fn+0x68b/0xa00 [ 283.152875] ? trace_hardirqs_on+0x310/0x310 [ 283.157287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.162830] ? check_preemption_disabled+0x48/0x280 [ 283.167863] ? takeover_tasklets+0xa90/0xa90 [ 283.172284] run_ksoftirqd+0x94/0x100 [ 283.176090] smpboot_thread_fn+0x68b/0xa00 [ 283.180336] ? sort_range+0x30/0x30 [ 283.183972] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 283.189082] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.194631] ? __kthread_parkme+0xfb/0x1a0 [ 283.198879] kthread+0x35a/0x420 [ 283.202256] ? sort_range+0x30/0x30 [ 283.205884] ? kthread_bind+0x40/0x40 [ 283.209692] ret_from_fork+0x3a/0x50 [ 283.213432] warn_alloc_show_mem: 1 callbacks suppressed [ 283.213444] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 283.213446] Mem-Info: [ 283.213478] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 283.213478] active_file:11 inactive_file:12 isolated_file:0 [ 283.213478] unevictable:0 dirty:0 writeback:0 unstable:0 [ 283.213478] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 283.213478] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 283.213478] free:13647 free_pcp:360 free_cma:0 [ 283.218814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.218823] Call Trace: [ 283.226195] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 283.228604] [ 283.261652] Node 0 [ 283.271024] dump_stack+0x1c4/0x2b6 [ 283.273619] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 283.301275] ? dump_stack_print_info.cold.1+0x20/0x20 [ 283.303403] lowmem_reserve[]: [ 283.305656] warn_alloc.cold.119+0xb7/0x1bd [ 283.309256] 0 [ 283.334772] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.339942] 2819 [ 283.343042] ? lock_downgrade+0x900/0x900 [ 283.347336] 6323 6323 [ 283.349144] ? trace_hardirqs_off+0xb8/0x310 [ 283.356014] ? trace_hardirqs_off+0xb8/0x310 [ 283.360139] Node 0 [ 283.362638] __alloc_pages_slowpath+0x265e/0x2d70 [ 283.367043] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 283.371457] ? warn_alloc+0x120/0x120 [ 283.373643] lowmem_reserve[]: [ 283.378484] ? trace_hardirqs_on+0x310/0x310 [ 283.405185] 0 [ 283.408990] ? warn_alloc+0x120/0x120 [ 283.412065] 0 [ 283.416472] ? print_usage_bug+0xc0/0xc0 [ 283.418253] 3503 [ 283.422052] ? warn_alloc+0x120/0x120 [ 283.423831] 3503 [ 283.427893] ? ktime_get+0x2e1/0x440 [ 283.429936] Node 0 [ 283.433728] ? print_usage_bug+0xc0/0xc0 [ 283.435795] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 283.439477] ? __lock_acquire+0x7ec/0x4ec0 [ 283.441681] lowmem_reserve[]: 0 [ 283.445754] ? __lock_acquire+0x7ec/0x4ec0 [ 283.474179] 0 0 [ 283.478440] ? kasan_check_read+0x11/0x20 [ 283.481691] 0 [ 283.485920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.492015] ? should_fail+0x22d/0xd01 [ 283.493794] Node 0 [ 283.499328] ? rcu_bh_qs+0xc0/0xc0 [ 283.503190] DMA: [ 283.505439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.508957] 1*4kB [ 283.511015] ? __lock_acquire+0x7ec/0x4ec0 [ 283.516092] (U) [ 283.518245] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.522457] 0*8kB [ 283.524435] ? __lock_acquire+0x7ec/0x4ec0 [ 283.529518] 0*16kB [ 283.531662] ? should_fail+0x22d/0xd01 [ 283.535871] 1*32kB [ 283.538103] ? rcu_idle_enter+0x4b0/0x4b0 [ 283.541962] (U) [ 283.544203] ? mark_held_locks+0x130/0x130 [ 283.548326] 2*64kB [ 283.550295] ? mark_held_locks+0x130/0x130 [ 283.554505] (U) [ 283.556744] ? mark_held_locks+0xc7/0x130 [ 283.560955] 1*128kB [ 283.562927] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 283.567048] (U) [ 283.569372] ? graph_lock+0x170/0x170 [ 283.574365] 1*256kB [ 283.576334] ? print_usage_bug+0xc0/0xc0 [ 283.580107] (U) [ 283.582438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.586473] 0*512kB [ 283.588450] ? check_preemption_disabled+0x48/0x280 [ 283.593966] 1*1024kB [ 283.596279] ? check_preemption_disabled+0x48/0x280 [ 283.601271] (U) [ 283.603684] ? __lock_is_held+0xb5/0x140 [ 283.608662] 1*2048kB (M) [ 283.610650] __alloc_pages_nodemask+0xa80/0xde0 [ 283.614688] 3*4096kB [ 283.617450] ? graph_lock+0x170/0x170 [ 283.622099] (M) [ 283.624506] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 283.628285] = 15908kB [ 283.630251] ? graph_lock+0x170/0x170 [ 283.630276] ? find_held_lock+0x36/0x1c0 [ 283.635268] Node 0 [ 283.637681] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.641459] DMA32: [ 283.645689] ? lock_downgrade+0x900/0x900 [ 283.647908] 4*4kB [ 283.652572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.654785] (UM) [ 283.658931] cache_grow_begin+0x91/0x8c0 [ 283.661061] 2*8kB [ 283.666596] ? do_raw_spin_unlock+0xa7/0x330 [ 283.668633] (UM) [ 283.672690] fallback_alloc+0x203/0x2e0 [ 283.674815] 2*16kB [ 283.679219] ____cache_alloc_node+0x1c7/0x1e0 [ 283.681260] (M) [ 283.685231] kmem_cache_alloc_node+0xe3/0x730 [ 283.687450] 3*32kB [ 283.691943] ? ipv6_get_ifaddr+0x42e/0x620 [ 283.693895] (UM) [ 283.698392] __alloc_skb+0x119/0x770 [ 283.700601] 4*64kB [ 283.704836] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.706873] (M) [ 283.710584] ? skb_scrub_packet+0x490/0x490 [ 283.712800] 4*128kB [ 283.718068] ? lock_downgrade+0x900/0x900 [ 283.720016] (UM) 3*256kB [ 283.724346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.726640] (M) 3*512kB [ 283.730794] ? refcount_sub_and_test_checked+0x203/0x310 [ 283.733525] (M) 3*1024kB [ 283.739065] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.741712] (UM) [ 283.747160] ? addrconf_rs_timer+0x690/0x690 [ 283.749892] 3*2048kB (M) [ 283.755571] ndisc_alloc_skb+0x144/0x340 [ 283.757609] 3*4096kB [ 283.762009] ndisc_send_rs+0x331/0x6e0 [ 283.764745] (M) [ 283.768804] addrconf_rs_timer+0x314/0x690 [ 283.771192] = 24736kB [ 283.775071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.777027] Node 0 [ 283.781266] call_timer_fn+0x272/0x920 [ 283.783644] Normal: 592*4kB [ 283.787880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.790097] (UMEH) [ 283.793979] ? process_timeout+0x40/0x40 [ 283.796976] 405*8kB [ 283.801204] ? find_held_lock+0x36/0x1c0 [ 283.803427] (UMEH) [ 283.807488] ? __run_timers+0x7da/0xc70 [ 283.809777] 177*16kB (UME) [ 283.813841] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.816054] 103*32kB [ 283.820021] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.822929] (UMH) [ 283.827424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.829816] 15*64kB [ 283.834307] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 283.836440] (UMH) [ 283.840670] ? trace_hardirqs_on+0xbd/0x310 [ 283.842968] 0*128kB [ 283.847543] ? kasan_check_read+0x11/0x20 [ 283.849666] 1*256kB [ 283.853981] ? __run_timers+0x7da/0xc70 [ 283.856282] (H) [ 283.860429] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.862727] 0*512kB 1*1024kB [ 283.866711] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.868664] (H) [ 283.874106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.877190] 0*2048kB [ 283.881425] __run_timers+0x7e5/0xc70 [ 283.883378] 0*4096kB [ 283.887616] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 283.889992] = 13976kB [ 283.893784] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 283.896180] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 283.901530] ? graph_lock+0x170/0x170 [ 283.903922] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 283.908926] ? enqueue_hrtimer+0x1a5/0x560 [ 283.917749] 1241 total pagecache pages [ 283.921542] ? lock_release+0x970/0x970 [ 283.930100] 0 pages in swap cache [ 283.934323] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 283.938191] Swap cache stats: add 0, delete 0, find 0/0 [ 283.942157] ? find_held_lock+0x36/0x1c0 [ 283.945589] Free swap = 0kB [ 283.950775] ? graph_lock+0x170/0x170 [ 283.956117] Total swap = 0kB [ 283.960170] ? pvclock_read_flags+0x160/0x160 [ 283.963185] 1965979 pages RAM [ 283.966978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.969969] 0 pages HighMem/MovableOnly [ 283.969977] 342306 pages reserved [ 283.974469] ? check_preemption_disabled+0x48/0x280 [ 283.977543] 0 pages cma reserved [ 283.977630] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.983090] ? __lock_is_held+0xb5/0x140 [ 283.987122] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.990485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.995477] ksoftirqd/1 cpuset= [ 283.998840] ? check_preemption_disabled+0x48/0x280 [ 284.005309] / [ 284.009371] run_timer_softirq+0x52/0xb0 [ 284.019660] mems_allowed=0 [ 284.025187] ? rcu_read_lock_sched_held+0x108/0x120 [ 284.047147] __do_softirq+0x30c/0xb03 [ 284.050961] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 284.056070] ? pvclock_read_flags+0x160/0x160 [ 284.060567] ? lapic_next_event+0x5a/0x90 [ 284.064720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.070299] ? check_preemption_disabled+0x48/0x280 [ 284.075316] ? check_preemption_disabled+0x48/0x280 [ 284.080338] ? kvm_clock_read+0x18/0x30 [ 284.084330] ? kvm_sched_clock_read+0x9/0x20 [ 284.088749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.094290] ? check_preemption_disabled+0x48/0x280 [ 284.099324] irq_exit+0x17f/0x1c0 [ 284.102780] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.107621] ? smp_reschedule_interrupt+0x109/0x650 [ 284.112640] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.118526] ? interrupt_entry+0xb5/0xf0 [ 284.122595] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.127612] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.132632] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.137479] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.142499] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.147516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.153055] ? check_preemption_disabled+0x48/0x280 [ 284.158070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.163616] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.168469] apic_timer_interrupt+0xf/0x20 [ 284.172698] [ 284.174953] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 284.179882] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 284.198783] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 284.206492] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 284.213765] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 284.221032] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 284.228301] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 284.235569] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 284.242884] skb_clone+0x1bb/0x500 [ 284.246434] ? skb_split+0x11e0/0x11e0 [ 284.250327] ? check_preemption_disabled+0x48/0x280 [ 284.255354] ? __this_cpu_preempt_check+0x1c/0x20 [ 284.260203] ? __bpf_redirect+0x54b/0xb20 [ 284.264364] bpf_clone_redirect+0xb9/0x490 [ 284.268610] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 284.273630] ? __sched_text_start+0x8/0x8 [ 284.277799] ? find_held_lock+0x36/0x1c0 [ 284.281869] ? lock_acquire+0x1ed/0x520 [ 284.285848] ? bpf_test_run+0x3cb/0x780 [ 284.289825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.295365] ? check_preemption_disabled+0x48/0x280 [ 284.300388] ? kasan_check_read+0x11/0x20 [ 284.304576] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.309875] ? rcu_bh_qs+0xc0/0xc0 [ 284.313437] ? preempt_schedule+0x4d/0x60 [ 284.317588] ? ___preempt_schedule+0x16/0x18 [ 284.322005] ? bpf_test_run+0x25d/0x780 [ 284.325993] ? netlink_diag_dump+0x2a0/0x2a0 [ 284.330407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.335957] ? bpf_test_init.isra.10+0x70/0x100 [ 284.340778] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 284.345546] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 284.350388] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 284.355933] ? fput+0x130/0x1a0 [ 284.359216] ? __bpf_prog_get+0x9b/0x290 [ 284.363285] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 284.368132] ? bpf_prog_test_run+0x130/0x1a0 [ 284.372545] ? __x64_sys_bpf+0x3d8/0x520 [ 284.376621] ? bpf_prog_get+0x20/0x20 [ 284.380452] ? do_syscall_64+0x1b9/0x820 [ 284.384518] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 284.389884] ? syscall_return_slowpath+0x5e0/0x5e0 [ 284.394849] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.399872] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 284.404889] ? recalc_sigpending_tsk+0x180/0x180 [ 284.409649] ? kasan_check_write+0x14/0x20 [ 284.413897] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.418756] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 284.424142] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 284.424242] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 284.431068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.431074] Call Trace: [ 284.431093] dump_stack+0x1c4/0x2b6 [ 284.431111] ? dump_stack_print_info.cold.1+0x20/0x20 [ 284.431138] warn_alloc.cold.119+0xb7/0x1bd [ 284.437722] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 284.446957] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.446976] ? lock_downgrade+0x900/0x900 [ 284.449885] syz-executor0 cpuset= [ 284.453515] ? trace_hardirqs_off+0xb8/0x310 [ 284.453536] ? trace_hardirqs_off+0xb8/0x310 [ 284.458948] syz0 [ 284.463206] __alloc_pages_slowpath+0x265e/0x2d70 [ 284.463263] ? warn_alloc+0x120/0x120 [ 284.463283] ? warn_alloc+0x120/0x120 [ 284.473960] mems_allowed=0 [ 284.478800] ? print_usage_bug+0xc0/0xc0 [ 284.516541] ? warn_alloc+0x120/0x120 [ 284.520345] ? print_usage_bug+0xc0/0xc0 [ 284.524423] ? __lock_acquire+0x7ec/0x4ec0 [ 284.528661] ? __lock_acquire+0x7ec/0x4ec0 [ 284.532912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.538465] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.544008] ? should_fail+0x22d/0xd01 [ 284.547916] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.553025] ? __lock_acquire+0x7ec/0x4ec0 [ 284.557272] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.562406] ? __lock_acquire+0x7ec/0x4ec0 [ 284.566657] ? should_fail+0x22d/0xd01 [ 284.570561] ? mark_held_locks+0x130/0x130 [ 284.574809] ? mark_held_locks+0x130/0x130 [ 284.579056] ? mark_held_locks+0xc7/0x130 [ 284.583214] ? print_usage_bug+0xc0/0xc0 [ 284.587287] ? graph_lock+0x170/0x170 [ 284.591109] ? print_usage_bug+0xc0/0xc0 [ 284.595193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.600739] ? check_preemption_disabled+0x48/0x280 [ 284.605757] ? check_preemption_disabled+0x48/0x280 [ 284.610785] ? __lock_is_held+0xb5/0x140 [ 284.614857] __alloc_pages_nodemask+0xa80/0xde0 [ 284.619546] ? graph_lock+0x170/0x170 [ 284.623541] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 284.628560] ? graph_lock+0x170/0x170 [ 284.632377] ? find_held_lock+0x36/0x1c0 [ 284.636458] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.641133] ? lock_downgrade+0x900/0x900 [ 284.645292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.650841] cache_grow_begin+0x91/0x8c0 [ 284.654910] ? do_raw_spin_unlock+0xa7/0x330 [ 284.659332] fallback_alloc+0x203/0x2e0 [ 284.663319] ____cache_alloc_node+0x1c7/0x1e0 [ 284.667824] kmem_cache_alloc_node+0xe3/0x730 [ 284.672363] ? ipv6_get_ifaddr+0x42e/0x620 [ 284.676615] __alloc_skb+0x119/0x770 [ 284.680333] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.685619] ? skb_scrub_packet+0x490/0x490 [ 284.689947] ? lock_downgrade+0x900/0x900 [ 284.694105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.699651] ? refcount_sub_and_test_checked+0x203/0x310 [ 284.705111] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 284.710565] ? addrconf_rs_timer+0x690/0x690 [ 284.714993] ndisc_alloc_skb+0x144/0x340 [ 284.719064] ndisc_send_rs+0x331/0x6e0 [ 284.722964] addrconf_rs_timer+0x314/0x690 [ 284.727211] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.731467] call_timer_fn+0x272/0x920 [ 284.735357] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.739602] ? process_timeout+0x40/0x40 [ 284.743669] ? find_held_lock+0x36/0x1c0 [ 284.747747] ? __run_timers+0x7da/0xc70 [ 284.751732] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.756236] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.760741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.764983] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 284.769572] ? trace_hardirqs_on+0xbd/0x310 [ 284.773903] ? kasan_check_read+0x11/0x20 [ 284.778062] ? __run_timers+0x7da/0xc70 [ 284.782044] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.787512] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.791757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.795998] __run_timers+0x7e5/0xc70 [ 284.799823] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 284.805220] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.809728] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.814232] ? lockdep_hardirqs_on+0x421/0x5c0 [ 284.818825] ? trace_hardirqs_on+0xbd/0x310 [ 284.823149] ? kasan_check_read+0x11/0x20 [ 284.827302] ? finish_task_switch+0x1f4/0x910 [ 284.831802] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.837259] ? compat_start_thread+0x80/0x80 [ 284.841679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.847228] ? _raw_spin_unlock_irq+0x60/0x80 [ 284.851738] ? pvclock_read_flags+0x160/0x160 [ 284.856253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.861815] ? check_preemption_disabled+0x48/0x280 [ 284.866849] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.872131] ? rcu_pm_notify+0xc0/0xc0 [ 284.876022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.881567] ? check_preemption_disabled+0x48/0x280 [ 284.886596] run_timer_softirq+0x52/0xb0 [ 284.890664] ? rcu_read_lock_sched_held+0x108/0x120 [ 284.895697] __do_softirq+0x30c/0xb03 [ 284.899513] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 284.904617] ? trace_hardirqs_off+0x310/0x310 [ 284.909120] ? trace_hardirqs_on+0x310/0x310 [ 284.913538] ? schedule+0x108/0x460 [ 284.917168] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.921940] ? trace_hardirqs_off+0xb8/0x310 [ 284.926356] ? smpboot_thread_fn+0x68b/0xa00 [ 284.930768] ? trace_hardirqs_on+0x310/0x310 [ 284.935183] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.940742] ? check_preemption_disabled+0x48/0x280 [ 284.945774] ? takeover_tasklets+0xa90/0xa90 [ 284.950189] run_ksoftirqd+0x94/0x100 [ 284.953996] smpboot_thread_fn+0x68b/0xa00 [ 284.958246] ? sort_range+0x30/0x30 [ 284.961909] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 284.967016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.972556] ? __kthread_parkme+0xfb/0x1a0 [ 284.976830] kthread+0x35a/0x420 [ 284.980202] ? sort_range+0x30/0x30 [ 284.983831] ? kthread_bind+0x40/0x40 [ 284.987646] ret_from_fork+0x3a/0x50 [ 284.991379] warn_alloc_show_mem: 1 callbacks suppressed [ 284.991392] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 284.991394] Mem-Info: [ 284.991433] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 284.991433] active_file:11 inactive_file:12 isolated_file:0 [ 284.991433] unevictable:0 dirty:0 writeback:0 unstable:0 [ 284.991433] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 284.991433] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 284.991433] free:13647 free_pcp:360 free_cma:0 [ 284.996781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.004155] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 285.006557] Call Trace: [ 285.039606] Node 0 [ 285.048954] [ 285.076637] 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 [ 285.079192] dump_stack+0x1c4/0x2b6 [ 285.081391] lowmem_reserve[]: 0 [ 285.083556] ? dump_stack_print_info.cold.1+0x20/0x20 [ 285.109030] 2819 [ 285.112664] warn_alloc.cold.119+0xb7/0x1bd [ 285.115902] 6323 6323 [ 285.121093] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 285.127446] ? lock_downgrade+0x900/0x900 [ 285.129920] Node 0 [ 285.134776] ? trace_hardirqs_off+0xb8/0x310 [ 285.138918] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 285.141125] ? trace_hardirqs_off+0xb8/0x310 [ 285.145505] lowmem_reserve[]: [ 285.172223] __alloc_pages_slowpath+0x265e/0x2d70 [ 285.176602] 0 [ 285.179728] ? warn_alloc+0x120/0x120 [ 285.184523] 0 [ 285.186320] ? __bfs+0x385/0x7a0 [ 285.190089] 3503 3503 [ 285.191895] ? print_usage_bug+0xc0/0xc0 [ 285.197726] ? warn_alloc+0x120/0x120 [ 285.201762] Node 0 Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 285.205584] ? print_usage_bug+0xc0/0xc0 [ 285.205600] ? lock_pin_lock+0x350/0x350 [ 285.234631] lowmem_reserve[]: 0 [ 285.238703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.242730] 0 0 [ 285.246016] ? should_fail+0x22d/0xd01 [ 285.251538] 0 [ 285.253506] ? __lock_acquire+0x7ec/0x4ec0 [ 285.259203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.263447] Node 0 DMA: [ 285.268544] ? __lock_acquire+0x7ec/0x4ec0 [ 285.268562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.271212] 1*4kB [ 285.275444] ? should_fail+0x22d/0xd01 [ 285.280527] (U) [ 285.282677] ? mark_held_locks+0x130/0x130 [ 285.286540] 0*8kB [ 285.288515] ? mark_held_locks+0x130/0x130 [ 285.292723] 0*16kB 1*32kB [ 285.294879] ? __lock_acquire+0x7ec/0x4ec0 [ 285.299170] (U) [ 285.302010] ? graph_lock+0x170/0x170 [ 285.306227] 2*64kB [ 285.308195] ? print_usage_bug+0xc0/0xc0 [ 285.311963] (U) 1*128kB [ 285.314233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.318272] (U) [ 285.320945] ? check_preemption_disabled+0x48/0x280 [ 285.326460] 1*256kB [ 285.328436] ? check_preemption_disabled+0x48/0x280 [ 285.333430] (U) [ 285.335758] ? __lock_is_held+0xb5/0x140 [ 285.340737] 0*512kB 1*1024kB [ 285.342756] __alloc_pages_nodemask+0xa80/0xde0 [ 285.346783] (U) [ 285.349883] ? graph_lock+0x170/0x170 [ 285.354533] 1*2048kB [ 285.356506] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 285.360280] (M) [ 285.362683] ? graph_lock+0x170/0x170 [ 285.367674] 3*4096kB (M) [ 285.369665] ? find_held_lock+0x36/0x1c0 [ 285.373453] = 15908kB [ 285.376211] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.380245] Node 0 [ 285.382642] ? lock_downgrade+0x900/0x900 [ 285.387285] DMA32: [ 285.389520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.393641] 4*4kB [ 285.395872] cache_grow_begin+0x91/0x8c0 [ 285.401383] (UM) [ 285.403531] ? do_raw_spin_unlock+0xa7/0x330 [ 285.407580] 2*8kB [ 285.409640] fallback_alloc+0x203/0x2e0 [ 285.414023] (UM) [ 285.416172] ____cache_alloc_node+0x1c7/0x1e0 [ 285.420116] 2*16kB (M) [ 285.422185] kmem_cache_alloc_node+0xe3/0x730 [ 285.426653] 3*32kB (UM) [ 285.429243] ? do_raw_spin_unlock+0xa7/0x330 [ 285.433723] 4*64kB (M) [ 285.436406] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 285.440795] 4*128kB (UM) [ 285.443386] __alloc_skb+0x119/0x770 [ 285.447939] 3*256kB [ 285.450695] ? skb_scrub_packet+0x490/0x490 [ 285.454375] (M) 3*512kB [ 285.456707] ? atomic_notifier_call_chain+0xc6/0x190 [ 285.460998] (M) [ 285.463667] ? lock_downgrade+0x900/0x900 [ 285.468743] 3*1024kB (UM) [ 285.470747] ? check_preemption_disabled+0x48/0x280 [ 285.474862] 3*2048kB [ 285.477707] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 285.482708] (M) [ 285.485113] ? kasan_check_read+0x11/0x20 [ 285.490878] 3*4096kB (M) [ 285.492860] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.497006] = 24736kB [ 285.499764] ? rcu_bh_qs+0xc0/0xc0 [ 285.505017] Node 0 [ 285.507441] ? find_next_bit+0x104/0x130 [ 285.510972] Normal: [ 285.513207] ? do_raw_write_trylock+0x1c0/0x1c0 [ 285.517247] 592*4kB [ 285.519567] __neigh_notify+0x8c/0x160 [ 285.524205] (UMEH) [ 285.526522] ? __neigh_event_send+0x1390/0x1390 [ 285.530380] 405*8kB (UMEH) [ 285.532629] neigh_timer_handler+0x6cb/0xdf0 [ 285.537316] 177*16kB [ 285.540242] ? __neigh_for_each_release+0x520/0x520 [ 285.544629] (UME) [ 285.547032] ? __lock_is_held+0xb5/0x140 [ 285.552024] 103*32kB [ 285.554192] call_timer_fn+0x272/0x920 [ 285.558214] (UMH) [ 285.560626] ? __neigh_for_each_release+0x520/0x520 [ 285.564487] 15*64kB (UMH) [ 285.566642] ? process_timeout+0x40/0x40 [ 285.571657] 0*128kB [ 285.574523] ? find_held_lock+0x36/0x1c0 [ 285.578559] 1*256kB (H) [ 285.580890] ? __run_timers+0x7da/0xc70 [ 285.584918] 0*512kB 1*1024kB [ 285.587594] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.591546] (H) [ 285.594651] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.599124] 0*2048kB [ 285.601094] ? __neigh_for_each_release+0x520/0x520 [ 285.605559] 0*4096kB = 13976kB [ 285.607973] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 285.612971] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 285.616179] ? trace_hardirqs_on+0xbd/0x310 [ 285.620745] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 285.629574] ? kasan_check_read+0x11/0x20 [ 285.633869] 1241 total pagecache pages [ 285.642445] ? __run_timers+0x7da/0xc70 [ 285.646576] 0 pages in swap cache [ 285.650453] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.654431] Swap cache stats: add 0, delete 0, find 0/0 [ 285.657901] ? __neigh_for_each_release+0x520/0x520 [ 285.663334] Free swap = 0kB [ 285.668719] __run_timers+0x7e5/0xc70 [ 285.673712] Total swap = 0kB [ 285.676736] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 285.680503] 1965979 pages RAM [ 285.683516] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 285.688850] 0 pages HighMem/MovableOnly [ 285.688859] 342306 pages reserved [ 285.691955] ? graph_lock+0x170/0x170 [ 285.696949] 0 pages cma reserved [ 285.700918] ? enqueue_hrtimer+0x1a5/0x560 [ 285.704442] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.708148] ? lock_release+0x970/0x970 [ 285.708164] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 285.708184] ? find_held_lock+0x36/0x1c0 [ 285.711648] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.715787] ? graph_lock+0x170/0x170 [ 285.722261] ksoftirqd/1 cpuset= [ 285.726233] ? pvclock_read_flags+0x160/0x160 [ 285.731401] / [ 285.735496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.745785] mems_allowed=0 [ 285.749594] ? check_preemption_disabled+0x48/0x280 [ 285.772672] ? __lock_is_held+0xb5/0x140 [ 285.776789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.782337] ? check_preemption_disabled+0x48/0x280 [ 285.787365] run_timer_softirq+0x52/0xb0 [ 285.791439] ? rcu_read_lock_sched_held+0x108/0x120 [ 285.796463] __do_softirq+0x30c/0xb03 [ 285.800280] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 285.805392] ? pvclock_read_flags+0x160/0x160 [ 285.809926] ? lapic_next_event+0x5a/0x90 [ 285.814076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.819619] ? check_preemption_disabled+0x48/0x280 [ 285.824640] ? check_preemption_disabled+0x48/0x280 [ 285.829668] ? kvm_clock_read+0x18/0x30 [ 285.833646] ? kvm_sched_clock_read+0x9/0x20 [ 285.838062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.843602] ? check_preemption_disabled+0x48/0x280 [ 285.848636] irq_exit+0x17f/0x1c0 [ 285.852096] smp_apic_timer_interrupt+0x1cb/0x760 [ 285.856942] ? smp_reschedule_interrupt+0x109/0x650 [ 285.861964] ? smp_call_function_single_interrupt+0x650/0x650 [ 285.867857] ? interrupt_entry+0xb5/0xf0 [ 285.871921] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.876940] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.881958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.886802] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.891822] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.896847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.902385] ? check_preemption_disabled+0x48/0x280 [ 285.907408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.912964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.917822] apic_timer_interrupt+0xf/0x20 [ 285.922050] [ 285.924296] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 285.929231] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 285.948133] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 285.955845] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 285.963115] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 285.970396] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 285.977681] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 285.984947] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 285.992264] skb_clone+0x1bb/0x500 [ 285.995808] ? skb_split+0x11e0/0x11e0 [ 285.999699] ? check_preemption_disabled+0x48/0x280 [ 286.004723] ? __this_cpu_preempt_check+0x1c/0x20 [ 286.009573] ? __bpf_redirect+0x54b/0xb20 [ 286.013732] bpf_clone_redirect+0xb9/0x490 [ 286.017985] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 286.023009] ? __sched_text_start+0x8/0x8 [ 286.027177] ? find_held_lock+0x36/0x1c0 [ 286.031247] ? lock_acquire+0x1ed/0x520 [ 286.035229] ? bpf_test_run+0x3cb/0x780 [ 286.039205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.044753] ? check_preemption_disabled+0x48/0x280 [ 286.049780] ? kasan_check_read+0x11/0x20 [ 286.053938] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.059219] ? rcu_bh_qs+0xc0/0xc0 [ 286.062767] ? preempt_schedule+0x4d/0x60 [ 286.066920] ? ___preempt_schedule+0x16/0x18 [ 286.071339] ? bpf_test_run+0x25d/0x780 [ 286.075332] ? netlink_diag_dump+0x2a0/0x2a0 [ 286.079773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.085324] ? bpf_test_init.isra.10+0x70/0x100 [ 286.090003] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 286.094771] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 286.099645] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 286.105189] ? fput+0x130/0x1a0 [ 286.108503] ? __bpf_prog_get+0x9b/0x290 [ 286.112581] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 286.117431] ? bpf_prog_test_run+0x130/0x1a0 [ 286.121845] ? __x64_sys_bpf+0x3d8/0x520 [ 286.125908] ? bpf_prog_get+0x20/0x20 [ 286.129731] ? do_syscall_64+0x1b9/0x820 [ 286.133803] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 286.139174] ? syscall_return_slowpath+0x5e0/0x5e0 [ 286.144107] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.149130] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 286.154147] ? recalc_sigpending_tsk+0x180/0x180 [ 286.158906] ? kasan_check_write+0x14/0x20 [ 286.163149] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.168004] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 286.173388] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 286.173590] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 286.180351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.190834] syz-executor0 cpuset= [ 286.200178] Call Trace: [ 286.200202] dump_stack+0x1c4/0x2b6 [ 286.203632] syz0 [ 286.206215] ? dump_stack_print_info.cold.1+0x20/0x20 [ 286.209821] mems_allowed=0 [ 286.211796] warn_alloc.cold.119+0xb7/0x1bd [ 286.224203] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.229059] ? lock_downgrade+0x900/0x900 [ 286.233224] ? trace_hardirqs_off+0xb8/0x310 [ 286.237645] ? trace_hardirqs_off+0xb8/0x310 [ 286.242071] __alloc_pages_slowpath+0x265e/0x2d70 [ 286.246949] ? warn_alloc+0x120/0x120 [ 286.250770] ? warn_alloc+0x120/0x120 [ 286.254578] ? print_usage_bug+0xc0/0xc0 [ 286.258642] ? warn_alloc+0x120/0x120 [ 286.262452] ? print_usage_bug+0xc0/0xc0 [ 286.266521] ? __lock_acquire+0x7ec/0x4ec0 [ 286.270756] ? __lock_acquire+0x7ec/0x4ec0 [ 286.274995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.280543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.286092] ? should_fail+0x22d/0xd01 [ 286.289993] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.295126] ? __lock_acquire+0x7ec/0x4ec0 [ 286.299394] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.304505] ? __lock_acquire+0x7ec/0x4ec0 [ 286.308768] ? should_fail+0x22d/0xd01 [ 286.312682] ? mark_held_locks+0x130/0x130 [ 286.316927] ? mark_held_locks+0x130/0x130 [ 286.321169] ? graph_lock+0x170/0x170 [ 286.324973] ? print_usage_bug+0xc0/0xc0 [ 286.329038] ? graph_lock+0x170/0x170 [ 286.332842] ? print_usage_bug+0xc0/0xc0 [ 286.336931] ? wq_watchdog_touch+0x9c/0xfe [ 286.341170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.346712] ? check_preemption_disabled+0x48/0x280 [ 286.351736] ? check_preemption_disabled+0x48/0x280 [ 286.356794] ? __lock_is_held+0xb5/0x140 [ 286.360886] __alloc_pages_nodemask+0xa80/0xde0 [ 286.365559] ? graph_lock+0x170/0x170 [ 286.369388] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 286.374419] ? graph_lock+0x170/0x170 [ 286.378235] ? find_held_lock+0x36/0x1c0 [ 286.382336] ? ____cache_alloc_node+0x1c7/0x1e0 [ 286.387012] ? lock_downgrade+0x900/0x900 [ 286.391176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.396724] cache_grow_begin+0x91/0x8c0 [ 286.400791] ? do_raw_spin_unlock+0xa7/0x330 [ 286.405225] fallback_alloc+0x203/0x2e0 [ 286.409212] ____cache_alloc_node+0x1c7/0x1e0 [ 286.413724] kmem_cache_alloc_node+0xe3/0x730 [ 286.418223] ? ipv6_get_ifaddr+0x42e/0x620 [ 286.422482] __alloc_skb+0x119/0x770 [ 286.426199] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.431488] ? skb_scrub_packet+0x490/0x490 [ 286.435815] ? lock_downgrade+0x900/0x900 [ 286.439974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.445517] ? refcount_sub_and_test_checked+0x203/0x310 [ 286.450978] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 286.456437] ? addrconf_rs_timer+0x690/0x690 [ 286.460864] ndisc_alloc_skb+0x144/0x340 [ 286.464932] ndisc_send_rs+0x331/0x6e0 [ 286.468832] addrconf_rs_timer+0x314/0x690 [ 286.473075] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.477348] call_timer_fn+0x272/0x920 [ 286.481255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.485538] ? process_timeout+0x40/0x40 [ 286.489632] ? find_held_lock+0x36/0x1c0 [ 286.493706] ? __run_timers+0x7da/0xc70 [ 286.497692] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.502189] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.506727] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.510974] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 286.515561] ? trace_hardirqs_on+0xbd/0x310 [ 286.519886] ? kasan_check_read+0x11/0x20 [ 286.524041] ? __run_timers+0x7da/0xc70 [ 286.528040] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.533516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.537757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.541996] __run_timers+0x7e5/0xc70 [ 286.545819] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 286.551189] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.555689] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.560189] ? lockdep_hardirqs_on+0x421/0x5c0 [ 286.564778] ? trace_hardirqs_on+0xbd/0x310 [ 286.569103] ? kasan_check_read+0x11/0x20 [ 286.573271] ? finish_task_switch+0x1f4/0x910 [ 286.577788] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.583258] ? compat_start_thread+0x80/0x80 [ 286.587675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.593225] ? _raw_spin_unlock_irq+0x60/0x80 [ 286.597733] ? pvclock_read_flags+0x160/0x160 [ 286.602229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.607779] ? check_preemption_disabled+0x48/0x280 [ 286.612809] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.618093] ? rcu_pm_notify+0xc0/0xc0 [ 286.621989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.627718] ? check_preemption_disabled+0x48/0x280 [ 286.632785] run_timer_softirq+0x52/0xb0 [ 286.636850] ? rcu_read_lock_sched_held+0x108/0x120 [ 286.641869] __do_softirq+0x30c/0xb03 [ 286.645699] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 286.650803] ? trace_hardirqs_off+0x310/0x310 [ 286.655302] ? trace_hardirqs_on+0x310/0x310 [ 286.659717] ? schedule+0x108/0x460 [ 286.663347] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.668113] ? trace_hardirqs_off+0xb8/0x310 [ 286.672526] ? smpboot_thread_fn+0x68b/0xa00 [ 286.676937] ? trace_hardirqs_on+0x310/0x310 [ 286.681350] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.686893] ? check_preemption_disabled+0x48/0x280 [ 286.691916] ? takeover_tasklets+0xa90/0xa90 [ 286.696330] run_ksoftirqd+0x94/0x100 [ 286.700133] smpboot_thread_fn+0x68b/0xa00 [ 286.704387] ? sort_range+0x30/0x30 [ 286.708043] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 286.713150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.718692] ? __kthread_parkme+0xfb/0x1a0 [ 286.722937] kthread+0x35a/0x420 [ 286.726324] ? sort_range+0x30/0x30 [ 286.729955] ? kthread_bind+0x40/0x40 [ 286.733768] ret_from_fork+0x3a/0x50 [ 286.737505] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 286.737511] warn_alloc_show_mem: 1 callbacks suppressed [ 286.737518] Mem-Info: [ 286.744871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.744879] Call Trace: [ 286.750268] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 286.750268] active_file:11 inactive_file:12 isolated_file:0 [ 286.750268] unevictable:0 dirty:0 writeback:0 unstable:0 [ 286.750268] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 286.750268] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 286.750268] free:13647 free_pcp:360 free_cma:0 [ 286.752639] [ 286.762006] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 286.764589] dump_stack+0x1c4/0x2b6 [ 286.797615] Node 0 [ 286.799783] ? dump_stack_print_info.cold.1+0x20/0x20 [ 286.827474] 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 [ 286.831088] warn_alloc.cold.119+0xb7/0x1bd [ 286.833288] lowmem_reserve[]: 0 [ 286.838480] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.863956] 2819 6323 [ 286.868294] ? lock_downgrade+0x900/0x900 [ 286.871546] 6323 [ 286.876386] ? trace_hardirqs_off+0xb8/0x310 [ 286.882999] ? trace_hardirqs_off+0xb8/0x310 [ 286.885041] Node 0 [ 286.889482] __alloc_pages_slowpath+0x265e/0x2d70 [ 286.893902] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 286.896162] ? warn_alloc+0x120/0x120 [ 286.900961] lowmem_reserve[]: [ 286.927678] ? warn_alloc+0x120/0x120 [ 286.931625] 0 0 [ 286.934755] ? print_usage_bug+0xc0/0xc0 [ 286.938527] 3503 [ 286.940496] ? warn_alloc+0x120/0x120 [ 286.944535] 3503 [ 286.946594] ? lock_release+0x970/0x970 [ 286.952438] ? print_usage_bug+0xc0/0xc0 [ 286.956408] Node 0 [ 286.960464] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 286.960500] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 286.962707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.967867] lowmem_reserve[]: [ 286.996319] ? should_fail+0x22d/0xd01 [ 287.001832] 0 [ 287.004930] ? __lock_acquire+0x7ec/0x4ec0 [ 287.008796] 0 [ 287.010591] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.014802] 0 [ 287.016602] ? __lock_acquire+0x7ec/0x4ec0 [ 287.021678] 0 [ 287.023487] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.027699] Node 0 [ 287.029498] ? __lock_acquire+0x7ec/0x4ec0 [ 287.034577] DMA: [ 287.036813] ? should_fail+0x22d/0xd01 [ 287.041023] 1*4kB [ 287.043091] ? mark_held_locks+0x130/0x130 [ 287.046945] (U) [ 287.049087] ? mark_held_locks+0x130/0x130 [ 287.053314] 0*8kB [ 287.055300] ? kvm_clock_read+0x18/0x30 [ 287.059508] 0*16kB [ 287.061666] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 287.065614] 1*32kB [ 287.067847] ? ktime_get+0x2e1/0x440 [ 287.072868] (U) [ 287.075101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.078816] 2*64kB [ 287.080792] ? graph_lock+0x170/0x170 [ 287.086338] (U) [ 287.088584] ? print_usage_bug+0xc0/0xc0 [ 287.092376] 1*128kB [ 287.094393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.098468] (U) [ 287.100790] ? check_preemption_disabled+0x48/0x280 [ 287.106298] 1*256kB [ 287.108282] ? check_preemption_disabled+0x48/0x280 [ 287.113286] (U) [ 287.115611] ? __lock_is_held+0xb5/0x140 [ 287.120629] 0*512kB [ 287.122602] __alloc_pages_nodemask+0xa80/0xde0 [ 287.126636] 1*1024kB [ 287.128951] ? graph_lock+0x170/0x170 [ 287.133599] (U) [ 287.136005] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 287.139775] 1*2048kB (M) [ 287.141757] ? graph_lock+0x170/0x170 [ 287.146747] 3*4096kB (M) [ 287.149514] ? find_held_lock+0x36/0x1c0 [ 287.153283] = 15908kB [ 287.156038] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.160069] Node 0 [ 287.162478] ? lock_downgrade+0x900/0x900 [ 287.167139] DMA32: [ 287.169403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.173532] 4*4kB [ 287.175769] cache_grow_begin+0x91/0x8c0 [ 287.181286] (UM) [ 287.183459] ? do_raw_spin_unlock+0xa7/0x330 [ 287.187521] 2*8kB [ 287.189579] fallback_alloc+0x203/0x2e0 [ 287.193951] (UM) 2*16kB [ 287.196107] ____cache_alloc_node+0x1c7/0x1e0 [ 287.200051] (M) [ 287.202737] kmem_cache_alloc_node+0xe3/0x730 [ 287.207219] 3*32kB [ 287.209196] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.213659] (UM) 4*64kB [ 287.215903] __alloc_skb+0x119/0x770 [ 287.220110] (M) [ 287.222777] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.226460] 4*128kB (UM) [ 287.228452] ? skb_scrub_packet+0x490/0x490 [ 287.233736] 3*256kB [ 287.236491] ? lock_downgrade+0x900/0x900 [ 287.240790] (M) [ 287.243109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.247223] 3*512kB (M) [ 287.249209] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.254722] 3*1024kB [ 287.257401] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.262850] (UM) [ 287.265256] ? addrconf_rs_timer+0x690/0x690 [ 287.265281] ndisc_alloc_skb+0x144/0x340 [ 287.270696] 3*2048kB (M) [ 287.272765] ndisc_send_rs+0x331/0x6e0 [ 287.277148] 3*4096kB [ 287.281202] addrconf_rs_timer+0x314/0x690 [ 287.283938] (M) [ 287.287820] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.290208] = 24736kB [ 287.294452] call_timer_fn+0x272/0x920 [ 287.296395] Node 0 [ 287.300642] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.303042] Normal: [ 287.306961] ? process_timeout+0x40/0x40 [ 287.309175] 592*4kB [ 287.313400] ? find_held_lock+0x36/0x1c0 [ 287.315720] (UMEH) [ 287.319811] ? __run_timers+0x7da/0xc70 [ 287.322107] 405*8kB (UMEH) [ 287.326173] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.328380] 177*16kB (UME) [ 287.332366] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.335270] 103*32kB (UMH) [ 287.339772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.342682] 15*64kB [ 287.347171] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 287.350080] (UMH) [ 287.354308] ? trace_hardirqs_on+0xbd/0x310 [ 287.356602] 0*128kB 1*256kB [ 287.361188] ? kasan_check_read+0x11/0x20 [ 287.363310] (H) [ 287.367630] ? __run_timers+0x7da/0xc70 [ 287.370630] 0*512kB [ 287.374775] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.376721] 1*1024kB (H) [ 287.380724] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.383018] 0*2048kB [ 287.388461] __run_timers+0x7e5/0xc70 [ 287.391194] 0*4096kB [ 287.395451] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.397851] = 13976kB [ 287.401649] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.404045] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 287.409392] ? graph_lock+0x170/0x170 [ 287.411786] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 287.416787] ? enqueue_hrtimer+0x1a5/0x560 [ 287.425599] 1241 total pagecache pages [ 287.429390] ? lock_release+0x970/0x970 [ 287.437946] 0 pages in swap cache [ 287.442217] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.446085] Swap cache stats: add 0, delete 0, find 0/0 [ 287.450050] ? find_held_lock+0x36/0x1c0 [ 287.453491] Free swap = 0kB [ 287.458688] ? graph_lock+0x170/0x170 [ 287.464030] Total swap = 0kB [ 287.468085] ? pvclock_read_flags+0x160/0x160 [ 287.471078] 1965979 pages RAM [ 287.474874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.477869] 0 pages HighMem/MovableOnly [ 287.482357] ? check_preemption_disabled+0x48/0x280 [ 287.485472] 342306 pages reserved [ 287.491007] ? __lock_is_held+0xb5/0x140 [ 287.494949] 0 pages cma reserved [ 287.499957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.503475] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.507463] ? check_preemption_disabled+0x48/0x280 [ 287.507517] run_timer_softirq+0x52/0xb0 [ 287.507533] ? rcu_read_lock_sched_held+0x108/0x120 [ 287.510934] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.516423] __do_softirq+0x30c/0xb03 [ 287.522889] ksoftirqd/1 cpuset= [ 287.527905] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 287.531936] / [ 287.536946] ? pvclock_read_flags+0x160/0x160 [ 287.547236] mems_allowed=0 [ 287.551043] ? lapic_next_event+0x5a/0x90 [ 287.572632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.578171] ? check_preemption_disabled+0x48/0x280 [ 287.583206] ? check_preemption_disabled+0x48/0x280 [ 287.588240] ? kvm_clock_read+0x18/0x30 [ 287.592225] ? kvm_sched_clock_read+0x9/0x20 [ 287.596652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.602206] ? check_preemption_disabled+0x48/0x280 [ 287.607251] irq_exit+0x17f/0x1c0 [ 287.610714] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.615559] ? smp_reschedule_interrupt+0x109/0x650 [ 287.620576] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.626469] ? interrupt_entry+0xb5/0xf0 [ 287.630532] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.635549] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.640568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.645463] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.650481] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.655535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.661079] ? check_preemption_disabled+0x48/0x280 [ 287.666099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.671647] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.676497] apic_timer_interrupt+0xf/0x20 [ 287.680726] [ 287.682975] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 287.687904] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 287.706806] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 287.714515] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 287.721784] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 287.729150] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 287.736431] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 287.743710] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 287.751033] skb_clone+0x1bb/0x500 [ 287.754905] ? skb_split+0x11e0/0x11e0 [ 287.758804] ? check_preemption_disabled+0x48/0x280 [ 287.763832] ? __this_cpu_preempt_check+0x1c/0x20 [ 287.768683] ? __bpf_redirect+0x54b/0xb20 [ 287.772847] bpf_clone_redirect+0xb9/0x490 [ 287.777096] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 287.782160] ? __sched_text_start+0x8/0x8 [ 287.786337] ? find_held_lock+0x36/0x1c0 [ 287.790473] ? lock_acquire+0x1ed/0x520 [ 287.794454] ? bpf_test_run+0x3cb/0x780 [ 287.798436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.803977] ? check_preemption_disabled+0x48/0x280 [ 287.809000] ? kasan_check_read+0x11/0x20 [ 287.813158] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.818448] ? rcu_bh_qs+0xc0/0xc0 [ 287.822012] ? preempt_schedule+0x4d/0x60 [ 287.826161] ? ___preempt_schedule+0x16/0x18 [ 287.830579] ? bpf_test_run+0x25d/0x780 [ 287.834568] ? netlink_diag_dump+0x2a0/0x2a0 [ 287.838982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.844517] ? bpf_test_init.isra.10+0x70/0x100 [ 287.849198] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 287.853968] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 287.858814] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 287.864358] ? fput+0x130/0x1a0 [ 287.867642] ? __bpf_prog_get+0x9b/0x290 [ 287.871710] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 287.876558] ? bpf_prog_test_run+0x130/0x1a0 [ 287.880971] ? __x64_sys_bpf+0x3d8/0x520 [ 287.885032] ? bpf_prog_get+0x20/0x20 [ 287.888856] ? do_syscall_64+0x1b9/0x820 [ 287.892923] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 287.898292] ? syscall_return_slowpath+0x5e0/0x5e0 [ 287.903225] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.908243] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 287.913259] ? recalc_sigpending_tsk+0x180/0x180 [ 287.918022] ? kasan_check_write+0x14/0x20 [ 287.922264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.927125] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 287.932512] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 287.932591] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.939444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.939450] Call Trace: [ 287.939473] dump_stack+0x1c4/0x2b6 [ 287.939490] ? dump_stack_print_info.cold.1+0x20/0x20 [ 287.939517] warn_alloc.cold.119+0xb7/0x1bd [ 287.946038] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.955336] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 287.957901] syz-executor0 cpuset= [ 287.961532] ? lock_downgrade+0x900/0x900 [ 287.966701] syz0 [ 287.971022] ? trace_hardirqs_off+0xb8/0x310 [ 287.981485] mems_allowed=0 [ 287.986370] ? trace_hardirqs_off+0xb8/0x310 [ 288.007624] __alloc_pages_slowpath+0x265e/0x2d70 [ 288.012503] ? warn_alloc+0x120/0x120 [ 288.016310] ? warn_alloc+0x120/0x120 [ 288.020117] ? print_usage_bug+0xc0/0xc0 [ 288.024181] ? warn_alloc+0x120/0x120 [ 288.027985] ? print_usage_bug+0xc0/0xc0 [ 288.032058] ? __lock_acquire+0x7ec/0x4ec0 [ 288.036320] ? __lock_acquire+0x7ec/0x4ec0 [ 288.040576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.046114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.051687] ? should_fail+0x22d/0xd01 [ 288.055582] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.060685] ? __lock_acquire+0x7ec/0x4ec0 [ 288.064945] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.070048] ? __lock_acquire+0x7ec/0x4ec0 [ 288.074287] ? should_fail+0x22d/0xd01 [ 288.078190] ? mark_held_locks+0x130/0x130 [ 288.082438] ? mark_held_locks+0x130/0x130 [ 288.086679] ? graph_lock+0x170/0x170 [ 288.090483] ? print_usage_bug+0xc0/0xc0 [ 288.094548] ? graph_lock+0x170/0x170 [ 288.098354] ? print_usage_bug+0xc0/0xc0 [ 288.102439] ? wq_watchdog_touch+0x9c/0xfe [ 288.106681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.112221] ? check_preemption_disabled+0x48/0x280 [ 288.117251] ? check_preemption_disabled+0x48/0x280 [ 288.122283] ? __lock_is_held+0xb5/0x140 [ 288.126384] __alloc_pages_nodemask+0xa80/0xde0 [ 288.131076] ? graph_lock+0x170/0x170 [ 288.134883] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 288.139903] ? graph_lock+0x170/0x170 [ 288.143718] ? find_held_lock+0x36/0x1c0 [ 288.147795] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.152482] ? lock_downgrade+0x900/0x900 [ 288.156642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.162186] cache_grow_begin+0x91/0x8c0 [ 288.166258] ? do_raw_spin_unlock+0xa7/0x330 [ 288.170676] fallback_alloc+0x203/0x2e0 [ 288.174659] ____cache_alloc_node+0x1c7/0x1e0 [ 288.179206] kmem_cache_alloc_node+0xe3/0x730 [ 288.183739] ? ipv6_get_ifaddr+0x42e/0x620 [ 288.187993] __alloc_skb+0x119/0x770 [ 288.191712] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.196994] ? skb_scrub_packet+0x490/0x490 [ 288.201321] ? lock_downgrade+0x900/0x900 [ 288.205478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.211019] ? refcount_sub_and_test_checked+0x203/0x310 [ 288.216478] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 288.221936] ? addrconf_rs_timer+0x690/0x690 [ 288.226360] ndisc_alloc_skb+0x144/0x340 [ 288.230436] ndisc_send_rs+0x331/0x6e0 [ 288.234331] addrconf_rs_timer+0x314/0x690 [ 288.238572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.242822] call_timer_fn+0x272/0x920 [ 288.246710] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.250948] ? process_timeout+0x40/0x40 [ 288.255010] ? find_held_lock+0x36/0x1c0 [ 288.259086] ? __run_timers+0x7da/0xc70 [ 288.263068] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.267572] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.272067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.276307] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 288.280895] ? trace_hardirqs_on+0xbd/0x310 [ 288.285225] ? kasan_check_read+0x11/0x20 [ 288.289386] ? __run_timers+0x7da/0xc70 [ 288.293372] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.298833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.303089] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.307331] __run_timers+0x7e5/0xc70 [ 288.311162] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 288.316542] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.321042] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.325549] ? lockdep_hardirqs_on+0x421/0x5c0 [ 288.330138] ? trace_hardirqs_on+0xbd/0x310 [ 288.334467] ? kasan_check_read+0x11/0x20 [ 288.338628] ? finish_task_switch+0x1f4/0x910 [ 288.343136] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.348593] ? compat_start_thread+0x80/0x80 [ 288.353008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.358554] ? _raw_spin_unlock_irq+0x60/0x80 [ 288.363060] ? pvclock_read_flags+0x160/0x160 [ 288.367559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.373101] ? check_preemption_disabled+0x48/0x280 [ 288.378132] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.383422] ? rcu_pm_notify+0xc0/0xc0 [ 288.387312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.392854] ? check_preemption_disabled+0x48/0x280 [ 288.397883] run_timer_softirq+0x52/0xb0 [ 288.401950] ? rcu_read_lock_sched_held+0x108/0x120 [ 288.406968] __do_softirq+0x30c/0xb03 [ 288.410782] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 288.415888] ? trace_hardirqs_off+0x310/0x310 [ 288.420457] ? trace_hardirqs_on+0x310/0x310 [ 288.424877] ? schedule+0x108/0x460 [ 288.428509] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.433278] ? trace_hardirqs_off+0xb8/0x310 [ 288.437691] ? smpboot_thread_fn+0x68b/0xa00 [ 288.442102] ? trace_hardirqs_on+0x310/0x310 [ 288.446512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.452057] ? check_preemption_disabled+0x48/0x280 [ 288.457080] ? takeover_tasklets+0xa90/0xa90 [ 288.461493] run_ksoftirqd+0x94/0x100 [ 288.465300] smpboot_thread_fn+0x68b/0xa00 [ 288.469544] ? sort_range+0x30/0x30 [ 288.473178] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 288.478297] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.483857] ? __kthread_parkme+0xfb/0x1a0 [ 288.488099] kthread+0x35a/0x420 [ 288.491466] ? sort_range+0x30/0x30 [ 288.495092] ? kthread_bind+0x40/0x40 [ 288.498897] ret_from_fork+0x3a/0x50 [ 288.502636] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 288.502642] warn_alloc_show_mem: 1 callbacks suppressed [ 288.502649] Mem-Info: [ 288.510006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.515377] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 288.515377] active_file:11 inactive_file:12 isolated_file:0 [ 288.515377] unevictable:0 dirty:0 writeback:0 unstable:0 [ 288.515377] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 288.515377] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 288.515377] free:13647 free_pcp:360 free_cma:0 [ 288.517749] Call Trace: [ 288.527150] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 288.560166] [ 288.562735] Node 0 [ 288.590404] dump_stack+0x1c4/0x2b6 [ 288.592565] 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 [ 288.594777] ? dump_stack_print_info.cold.1+0x20/0x20 [ 288.598403] lowmem_reserve[]: 0 [ 288.624393] warn_alloc.cold.119+0xb7/0x1bd [ 288.629555] 2819 [ 288.632827] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.637117] 6323 6323 [ 288.639207] ? lock_downgrade+0x900/0x900 [ 288.646531] ? trace_hardirqs_off+0xb8/0x310 [ 288.650654] Node 0 DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 288.655086] ? trace_hardirqs_off+0xb8/0x310 [ 288.655108] __alloc_pages_slowpath+0x265e/0x2d70 [ 288.682404] lowmem_reserve[]: [ 288.686838] ? warn_alloc+0x120/0x120 [ 288.691638] 0 [ 288.694748] ? warn_alloc+0x120/0x120 [ 288.698516] 0 3503 [ 288.700329] ? print_usage_bug+0xc0/0xc0 [ 288.704103] 3503 [ 288.706352] ? warn_alloc+0x120/0x120 [ 288.712455] ? print_usage_bug+0xc0/0xc0 [ 288.716231] Node 0 Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 288.720314] ? __lock_acquire+0x7ec/0x4ec0 [ 288.720330] ? __lock_acquire+0x7ec/0x4ec0 [ 288.749377] lowmem_reserve[]: [ 288.753661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.757878] 0 [ 288.760979] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.766494] 0 [ 288.768317] ? should_fail+0x22d/0xd01 [ 288.773844] 0 [ 288.775646] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.779547] 0 [ 288.781375] ? __lock_acquire+0x7ec/0x4ec0 [ 288.788281] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.792493] Node 0 [ 288.797587] ? __lock_acquire+0x7ec/0x4ec0 [ 288.797597] DMA: [ 288.799827] ? should_fail+0x22d/0xd01 [ 288.804039] 1*4kB [ 288.806104] ? mark_held_locks+0x130/0x130 [ 288.809966] (U) [ 288.812115] ? mark_held_locks+0x130/0x130 [ 288.816325] 0*8kB [ 288.818292] ? graph_lock+0x170/0x170 [ 288.822509] 0*16kB [ 288.824652] ? print_usage_bug+0xc0/0xc0 [ 288.828439] 1*32kB [ 288.830675] ? graph_lock+0x170/0x170 [ 288.834711] (U) [ 288.836943] ? print_usage_bug+0xc0/0xc0 [ 288.840715] 2*64kB (U) [ 288.842698] ? wq_watchdog_touch+0x9c/0xfe [ 288.846735] 1*128kB [ 288.849338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.853546] (U) [ 288.855868] ? check_preemption_disabled+0x48/0x280 [ 288.861380] 1*256kB [ 288.863352] ? check_preemption_disabled+0x48/0x280 [ 288.868340] (U) [ 288.870669] ? __lock_is_held+0xb5/0x140 [ 288.875655] 0*512kB 1*1024kB [ 288.877641] __alloc_pages_nodemask+0xa80/0xde0 [ 288.881666] (U) 1*2048kB [ 288.884776] ? graph_lock+0x170/0x170 [ 288.889425] (M) [ 288.892181] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 288.895954] 3*4096kB [ 288.897929] ? graph_lock+0x170/0x170 [ 288.902925] (M) [ 288.905341] ? find_held_lock+0x36/0x1c0 [ 288.909109] = 15908kB [ 288.911086] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.915116] Node 0 [ 288.917526] ? lock_downgrade+0x900/0x900 [ 288.922173] DMA32: [ 288.924420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.928542] 4*4kB [ 288.930779] cache_grow_begin+0x91/0x8c0 [ 288.936283] (UM) 2*8kB [ 288.938444] ? do_raw_spin_unlock+0xa7/0x330 [ 288.942478] (UM) [ 288.945062] fallback_alloc+0x203/0x2e0 [ 288.949441] 2*16kB (M) [ 288.951512] ____cache_alloc_node+0x1c7/0x1e0 [ 288.955458] 3*32kB (UM) [ 288.958048] kmem_cache_alloc_node+0xe3/0x730 [ 288.962518] 4*64kB [ 288.965182] ? ipv6_get_ifaddr+0x42e/0x620 [ 288.969658] (M) [ 288.971895] __alloc_skb+0x119/0x770 [ 288.976104] 4*128kB [ 288.978077] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.981760] (UM) [ 288.984083] ? skb_scrub_packet+0x490/0x490 [ 288.989333] 3*256kB (M) [ 288.991403] ? lock_downgrade+0x900/0x900 [ 288.995706] 3*512kB [ 288.998376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.002495] (M) [ 289.004814] ? refcount_sub_and_test_checked+0x203/0x310 [ 289.010329] 3*1024kB [ 289.012302] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 289.017724] (UM) [ 289.020130] ? addrconf_rs_timer+0x690/0x690 [ 289.025568] 3*2048kB [ 289.027632] ndisc_alloc_skb+0x144/0x340 [ 289.032008] (M) [ 289.034425] ndisc_send_rs+0x331/0x6e0 [ 289.038460] 3*4096kB [ 289.040442] addrconf_rs_timer+0x314/0x690 [ 289.044308] (M) [ 289.046750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.050954] = 24736kB [ 289.052935] call_timer_fn+0x272/0x920 [ 289.057134] Node 0 [ 289.059536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.063429] Normal: [ 289.065677] ? process_timeout+0x40/0x40 [ 289.069888] 592*4kB [ 289.072206] ? find_held_lock+0x36/0x1c0 [ 289.076240] (UMEH) [ 289.078561] ? __run_timers+0x7da/0xc70 [ 289.082595] 405*8kB [ 289.084834] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.088796] (UMEH) [ 289.091126] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.095598] 177*16kB [ 289.097832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.102302] (UME) [ 289.104713] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 289.108916] 103*32kB (UMH) [ 289.111072] ? trace_hardirqs_on+0xbd/0x310 [ 289.115627] 15*64kB (UMH) [ 289.118565] ? kasan_check_read+0x11/0x20 [ 289.122856] 0*128kB 1*256kB [ 289.125707] ? __run_timers+0x7da/0xc70 [ 289.129822] (H) 0*512kB [ 289.132847] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.136808] 1*1024kB (H) [ 289.139498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.144940] 0*2048kB [ 289.147694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.151903] 0*4096kB [ 289.154312] __run_timers+0x7e5/0xc70 [ 289.158525] = 13976kB [ 289.160941] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 289.164713] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 289.167111] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 289.172454] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 289.181303] ? graph_lock+0x170/0x170 [ 289.186326] 1241 total pagecache pages [ 289.194916] ? enqueue_hrtimer+0x1a5/0x560 [ 289.198701] 0 pages in swap cache [ 289.202582] ? lock_release+0x970/0x970 [ 289.206795] Swap cache stats: add 0, delete 0, find 0/0 [ 289.210263] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 289.214241] Free swap = 0kB [ 289.219609] ? find_held_lock+0x36/0x1c0 [ 289.224767] Total swap = 0kB [ 289.224776] 1965979 pages RAM [ 289.227790] ? graph_lock+0x170/0x170 [ 289.231824] 0 pages HighMem/MovableOnly [ 289.231832] 342306 pages reserved [ 289.234844] ? pvclock_read_flags+0x160/0x160 [ 289.237920] 0 pages cma reserved [ 289.238018] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.241812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.245837] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.249265] ? check_preemption_disabled+0x48/0x280 [ 289.253749] ksoftirqd/1 cpuset=/ [ 289.257129] ? __lock_is_held+0xb5/0x140 [ 289.263591] mems_allowed=0 [ 289.269123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.300291] ? check_preemption_disabled+0x48/0x280 [ 289.305318] run_timer_softirq+0x52/0xb0 [ 289.309379] ? rcu_read_lock_sched_held+0x108/0x120 [ 289.314402] __do_softirq+0x30c/0xb03 [ 289.318228] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 289.323338] ? pvclock_read_flags+0x160/0x160 [ 289.327838] ? lapic_next_event+0x5a/0x90 [ 289.331988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.337531] ? check_preemption_disabled+0x48/0x280 [ 289.342569] ? check_preemption_disabled+0x48/0x280 [ 289.347593] ? kvm_clock_read+0x18/0x30 [ 289.351566] ? kvm_sched_clock_read+0x9/0x20 [ 289.355980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.361532] ? check_preemption_disabled+0x48/0x280 [ 289.366561] irq_exit+0x17f/0x1c0 [ 289.370022] smp_apic_timer_interrupt+0x1cb/0x760 [ 289.374882] ? smp_reschedule_interrupt+0x109/0x650 [ 289.379916] ? smp_call_function_single_interrupt+0x650/0x650 [ 289.385804] ? interrupt_entry+0xb5/0xf0 [ 289.389870] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.394890] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.399909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.404761] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.409777] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.414797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.420342] ? check_preemption_disabled+0x48/0x280 [ 289.425371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.430958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.435815] apic_timer_interrupt+0xf/0x20 [ 289.440046] [ 289.442287] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 289.447218] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 289.466134] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 289.473861] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 289.481141] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 289.488448] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 289.495736] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 289.503013] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 289.510326] skb_clone+0x1bb/0x500 [ 289.513871] ? skb_split+0x11e0/0x11e0 [ 289.517768] ? check_preemption_disabled+0x48/0x280 [ 289.522818] ? __this_cpu_preempt_check+0x1c/0x20 [ 289.527668] ? __bpf_redirect+0x54b/0xb20 [ 289.531828] bpf_clone_redirect+0xb9/0x490 [ 289.536075] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 289.541127] ? __sched_text_start+0x8/0x8 [ 289.545296] ? find_held_lock+0x36/0x1c0 [ 289.549370] ? lock_acquire+0x1ed/0x520 [ 289.553349] ? bpf_test_run+0x3cb/0x780 [ 289.557340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.562882] ? check_preemption_disabled+0x48/0x280 [ 289.567907] ? kasan_check_read+0x11/0x20 [ 289.572078] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.577385] ? rcu_bh_qs+0xc0/0xc0 [ 289.580950] ? preempt_schedule+0x4d/0x60 [ 289.585111] ? ___preempt_schedule+0x16/0x18 [ 289.589540] ? bpf_test_run+0x25d/0x780 [ 289.593526] ? netlink_diag_dump+0x2a0/0x2a0 [ 289.597940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.603476] ? bpf_test_init.isra.10+0x70/0x100 [ 289.608151] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 289.612915] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 289.617764] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 289.623303] ? fput+0x130/0x1a0 [ 289.626587] ? __bpf_prog_get+0x9b/0x290 [ 289.630654] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 289.635499] ? bpf_prog_test_run+0x130/0x1a0 [ 289.639912] ? __x64_sys_bpf+0x3d8/0x520 [ 289.643980] ? bpf_prog_get+0x20/0x20 [ 289.647802] ? do_syscall_64+0x1b9/0x820 [ 289.651865] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 289.657232] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.662170] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.667189] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 289.672237] ? recalc_sigpending_tsk+0x180/0x180 [ 289.677040] ? kasan_check_write+0x14/0x20 [ 289.681297] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.686163] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 289.691571] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 289.691655] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.698509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.698515] Call Trace: [ 289.698535] dump_stack+0x1c4/0x2b6 [ 289.698570] ? dump_stack_print_info.cold.1+0x20/0x20 [ 289.705097] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.714402] warn_alloc.cold.119+0xb7/0x1bd [ 289.716959] syz-executor0 cpuset= [ 289.720580] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.725750] syz0 [ 289.736225] ? lock_downgrade+0x900/0x900 [ 289.740526] mems_allowed=0 [ 289.743974] ? trace_hardirqs_off+0xb8/0x310 [ 289.762751] ? trace_hardirqs_off+0xb8/0x310 [ 289.767175] __alloc_pages_slowpath+0x265e/0x2d70 [ 289.772050] ? warn_alloc+0x120/0x120 [ 289.775873] ? warn_alloc+0x120/0x120 [ 289.779679] ? print_usage_bug+0xc0/0xc0 [ 289.783745] ? warn_alloc+0x120/0x120 [ 289.787548] ? print_usage_bug+0xc0/0xc0 [ 289.791615] ? __lock_acquire+0x7ec/0x4ec0 [ 289.795856] ? __lock_acquire+0x7ec/0x4ec0 [ 289.800095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.805636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.811180] ? should_fail+0x22d/0xd01 [ 289.815079] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.820185] ? __lock_acquire+0x7ec/0x4ec0 [ 289.824467] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.829570] ? __lock_acquire+0x7ec/0x4ec0 [ 289.833805] ? should_fail+0x22d/0xd01 [ 289.837711] ? mark_held_locks+0x130/0x130 [ 289.841952] ? mark_held_locks+0x130/0x130 [ 289.846195] ? graph_lock+0x170/0x170 [ 289.850003] ? print_usage_bug+0xc0/0xc0 [ 289.854071] ? graph_lock+0x170/0x170 [ 289.857873] ? print_usage_bug+0xc0/0xc0 [ 289.861938] ? wq_watchdog_touch+0x9c/0xfe [ 289.866189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.871734] ? check_preemption_disabled+0x48/0x280 [ 289.876760] ? check_preemption_disabled+0x48/0x280 [ 289.881788] ? __lock_is_held+0xb5/0x140 [ 289.885862] __alloc_pages_nodemask+0xa80/0xde0 [ 289.890536] ? graph_lock+0x170/0x170 [ 289.894341] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 289.899360] ? graph_lock+0x170/0x170 [ 289.903189] ? find_held_lock+0x36/0x1c0 [ 289.907269] ? ____cache_alloc_node+0x1c7/0x1e0 [ 289.911943] ? lock_downgrade+0x900/0x900 [ 289.916103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.921651] cache_grow_begin+0x91/0x8c0 [ 289.925718] ? do_raw_spin_unlock+0xa7/0x330 [ 289.930137] fallback_alloc+0x203/0x2e0 [ 289.934122] ____cache_alloc_node+0x1c7/0x1e0 [ 289.938632] kmem_cache_alloc_node+0xe3/0x730 [ 289.943130] ? ipv6_get_ifaddr+0x42e/0x620 [ 289.947386] __alloc_skb+0x119/0x770 [ 289.951110] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.956408] ? skb_scrub_packet+0x490/0x490 [ 289.960785] ? lock_downgrade+0x900/0x900 [ 289.964944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.970490] ? refcount_sub_and_test_checked+0x203/0x310 [ 289.975947] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 289.981399] ? addrconf_rs_timer+0x690/0x690 [ 289.985835] ndisc_alloc_skb+0x144/0x340 [ 289.989905] ndisc_send_rs+0x331/0x6e0 [ 289.993802] addrconf_rs_timer+0x314/0x690 [ 289.998048] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.002315] call_timer_fn+0x272/0x920 [ 290.006214] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.010478] ? process_timeout+0x40/0x40 [ 290.014541] ? find_held_lock+0x36/0x1c0 [ 290.018616] ? __run_timers+0x7da/0xc70 [ 290.022600] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.027100] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.031599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.035835] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 290.040457] ? trace_hardirqs_on+0xbd/0x310 [ 290.044786] ? kasan_check_read+0x11/0x20 [ 290.048941] ? __run_timers+0x7da/0xc70 [ 290.052922] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.058375] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.062686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.066939] __run_timers+0x7e5/0xc70 [ 290.070757] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 290.076130] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.080629] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.085126] ? lockdep_hardirqs_on+0x421/0x5c0 [ 290.089715] ? trace_hardirqs_on+0xbd/0x310 [ 290.094046] ? kasan_check_read+0x11/0x20 [ 290.098198] ? finish_task_switch+0x1f4/0x910 [ 290.102701] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.108152] ? compat_start_thread+0x80/0x80 [ 290.112570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.118131] ? _raw_spin_unlock_irq+0x60/0x80 [ 290.122636] ? pvclock_read_flags+0x160/0x160 [ 290.127145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.132687] ? check_preemption_disabled+0x48/0x280 [ 290.137715] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.142998] ? rcu_pm_notify+0xc0/0xc0 [ 290.146910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.152457] ? check_preemption_disabled+0x48/0x280 [ 290.157488] run_timer_softirq+0x52/0xb0 [ 290.161550] ? rcu_read_lock_sched_held+0x108/0x120 [ 290.166573] __do_softirq+0x30c/0xb03 [ 290.170389] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 290.175499] ? trace_hardirqs_off+0x310/0x310 [ 290.179997] ? trace_hardirqs_on+0x310/0x310 [ 290.184427] ? schedule+0x108/0x460 [ 290.188056] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.192827] ? trace_hardirqs_off+0xb8/0x310 [ 290.197280] ? smpboot_thread_fn+0x68b/0xa00 [ 290.201705] ? trace_hardirqs_on+0x310/0x310 [ 290.206120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.211658] ? check_preemption_disabled+0x48/0x280 [ 290.216679] ? takeover_tasklets+0xa90/0xa90 [ 290.221093] run_ksoftirqd+0x94/0x100 [ 290.224895] smpboot_thread_fn+0x68b/0xa00 [ 290.229138] ? sort_range+0x30/0x30 [ 290.232783] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 290.237889] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.243463] ? __kthread_parkme+0xfb/0x1a0 [ 290.247710] kthread+0x35a/0x420 [ 290.251090] ? sort_range+0x30/0x30 [ 290.254718] ? kthread_bind+0x40/0x40 [ 290.258555] ret_from_fork+0x3a/0x50 [ 290.262294] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 290.262300] warn_alloc_show_mem: 1 callbacks suppressed [ 290.262307] Mem-Info: [ 290.269669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.275037] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 290.275037] active_file:11 inactive_file:12 isolated_file:0 [ 290.275037] unevictable:0 dirty:0 writeback:0 unstable:0 [ 290.275037] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 290.275037] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 290.275037] free:13647 free_pcp:360 free_cma:0 [ 290.277426] Call Trace: [ 290.286815] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 290.319830] [ 290.322399] Node 0 [ 290.350121] dump_stack+0x1c4/0x2b6 [ 290.352274] 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 [ 290.354481] ? dump_stack_print_info.cold.1+0x20/0x20 [ 290.358076] lowmem_reserve[]: 0 [ 290.383593] warn_alloc.cold.119+0xb7/0x1bd [ 290.388754] 2819 [ 290.392026] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.396323] 6323 [ 290.398381] ? lock_downgrade+0x900/0x900 [ 290.403199] 6323 [ 290.405262] ? trace_hardirqs_off+0xb8/0x310 [ 290.409385] Node 0 [ 290.411454] ? trace_hardirqs_off+0xb8/0x310 [ 290.415864] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 290.418072] __alloc_pages_slowpath+0x265e/0x2d70 [ 290.422445] lowmem_reserve[]: 0 [ 290.449190] ? warn_alloc+0x120/0x120 [ 290.453988] 0 [ 290.457264] ? lock_release+0x970/0x970 [ 290.461039] 3503 [ 290.462837] ? warn_alloc+0x120/0x120 [ 290.466780] 3503 [ 290.468848] ? print_usage_bug+0xc0/0xc0 [ 290.472623] Node 0 [ 290.474679] ? warn_alloc+0x120/0x120 [ 290.478739] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 290.480942] ? print_usage_bug+0xc0/0xc0 [ 290.484728] lowmem_reserve[]: 0 [ 290.513219] ? __lock_acquire+0x7ec/0x4ec0 [ 290.517255] 0 0 [ 290.520537] ? __lock_acquire+0x7ec/0x4ec0 [ 290.524744] 0 [ 290.524756] Node 0 [ 290.526730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.530937] DMA: [ 290.532734] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.534950] 1*4kB [ 290.540483] ? should_fail+0x22d/0xd01 [ 290.542523] (U) [ 290.548084] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.550213] 0*8kB [ 290.554092] ? __lock_acquire+0x7ec/0x4ec0 [ 290.556039] 0*16kB 1*32kB [ 290.561143] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.563261] (U) 2*64kB [ 290.567501] ? __lock_acquire+0x7ec/0x4ec0 [ 290.570316] (U) 1*128kB [ 290.575454] ? should_fail+0x22d/0xd01 [ 290.578010] (U) 1*256kB [ 290.582251] ? mark_held_locks+0x130/0x130 [ 290.584890] (U) 0*512kB [ 290.588778] ? mark_held_locks+0x130/0x130 [ 290.591434] 1*1024kB [ 290.595665] ? graph_lock+0x170/0x170 [ 290.598310] (U) [ 290.602537] ? print_usage_bug+0xc0/0xc0 [ 290.604924] 1*2048kB [ 290.608717] ? graph_lock+0x170/0x170 [ 290.610672] (M) [ 290.614723] ? print_usage_bug+0xc0/0xc0 [ 290.617115] 3*4096kB [ 290.620908] ? wq_watchdog_touch+0x9c/0xfe [ 290.622941] (M) = 15908kB [ 290.627008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.629401] Node 0 [ 290.633633] ? check_preemption_disabled+0x48/0x280 [ 290.636395] DMA32: [ 290.641931] ? check_preemption_disabled+0x48/0x280 [ 290.644162] 4*4kB [ 290.649189] ? __lock_is_held+0xb5/0x140 [ 290.651394] (UM) [ 290.656413] __alloc_pages_nodemask+0xa80/0xde0 [ 290.658548] 2*8kB [ 290.662602] ? graph_lock+0x170/0x170 [ 290.664642] (UM) [ 290.669305] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 290.671438] 2*16kB [ 290.675249] ? graph_lock+0x170/0x170 [ 290.677323] (M) [ 290.682335] ? find_held_lock+0x36/0x1c0 [ 290.684541] 3*32kB (UM) [ 290.688351] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.690298] 4*64kB (M) [ 290.694360] ? lock_downgrade+0x900/0x900 [ 290.697008] 4*128kB [ 290.701673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.704231] (UM) [ 290.708372] cache_grow_begin+0x91/0x8c0 [ 290.710669] 3*256kB (M) [ 290.716207] ? do_raw_spin_unlock+0xa7/0x330 [ 290.718239] 3*512kB (M) [ 290.722307] fallback_alloc+0x203/0x2e0 [ 290.724949] 3*1024kB (UM) [ 290.729363] ____cache_alloc_node+0x1c7/0x1e0 [ 290.732006] 3*2048kB (M) [ 290.735986] kmem_cache_alloc_node+0xe3/0x730 [ 290.738823] 3*4096kB (M) [ 290.743324] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.746057] = 24736kB [ 290.750584] __alloc_skb+0x119/0x770 [ 290.753315] Node 0 [ 290.757549] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.759934] Normal: [ 290.763641] ? skb_scrub_packet+0x490/0x490 [ 290.765857] 592*4kB [ 290.771129] ? lock_downgrade+0x900/0x900 [ 290.773435] (UMEH) [ 290.777760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.780055] 405*8kB [ 290.784213] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.786433] (UMEH) [ 290.791968] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.794274] 177*16kB [ 290.799724] ? addrconf_rs_timer+0x690/0x690 [ 290.801935] (UME) [ 290.807426] ndisc_alloc_skb+0x144/0x340 [ 290.809812] 103*32kB [ 290.814219] ndisc_send_rs+0x331/0x6e0 [ 290.816344] (UMH) [ 290.820404] addrconf_rs_timer+0x314/0x690 [ 290.822790] 15*64kB (UMH) [ 290.826679] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.828801] 0*128kB 1*256kB [ 290.833050] call_timer_fn+0x272/0x920 [ 290.835860] (H) [ 290.840087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.843081] 0*512kB 1*1024kB [ 290.846975] ? process_timeout+0x40/0x40 [ 290.848942] (H) [ 290.853185] ? find_held_lock+0x36/0x1c0 [ 290.856310] 0*2048kB [ 290.860372] ? __run_timers+0x7da/0xc70 [ 290.862314] 0*4096kB = 13976kB [ 290.866381] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.868828] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 290.872793] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.875965] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 290.880457] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.889299] 1241 total pagecache pages [ 290.893801] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 290.902363] 0 pages in swap cache [ 290.906601] ? trace_hardirqs_on+0xbd/0x310 [ 290.910469] Swap cache stats: add 0, delete 0, find 0/0 [ 290.915048] ? kasan_check_read+0x11/0x20 [ 290.918478] Free swap = 0kB [ 290.922796] ? __run_timers+0x7da/0xc70 [ 290.928131] Total swap = 0kB [ 290.932276] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.935275] 1965979 pages RAM [ 290.939246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.942239] 0 pages HighMem/MovableOnly [ 290.942251] 342306 pages reserved [ 290.947694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.950774] 0 pages cma reserved [ 290.955008] __run_timers+0x7e5/0xc70 [ 290.959055] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 290.962413] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 290.966726] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 290.969988] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 290.973763] ksoftirqd/1 cpuset= [ 290.980248] ? graph_lock+0x170/0x170 [ 290.985609] / [ 290.995919] ? enqueue_hrtimer+0x1a5/0x560 [ 291.000915] mems_allowed=0 [ 291.004186] ? lock_release+0x970/0x970 [ 291.020782] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 291.025985] ? find_held_lock+0x36/0x1c0 [ 291.030055] ? graph_lock+0x170/0x170 [ 291.033857] ? pvclock_read_flags+0x160/0x160 [ 291.038354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.043894] ? check_preemption_disabled+0x48/0x280 [ 291.048928] ? __lock_is_held+0xb5/0x140 [ 291.052991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.058530] ? check_preemption_disabled+0x48/0x280 [ 291.063569] run_timer_softirq+0x52/0xb0 [ 291.067649] ? rcu_read_lock_sched_held+0x108/0x120 [ 291.072667] __do_softirq+0x30c/0xb03 [ 291.076480] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 291.081595] ? pvclock_read_flags+0x160/0x160 [ 291.086094] ? lapic_next_event+0x5a/0x90 [ 291.090242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.095781] ? check_preemption_disabled+0x48/0x280 [ 291.100800] ? check_preemption_disabled+0x48/0x280 [ 291.105829] ? kvm_clock_read+0x18/0x30 [ 291.109803] ? kvm_sched_clock_read+0x9/0x20 [ 291.114236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.119783] ? check_preemption_disabled+0x48/0x280 [ 291.124812] irq_exit+0x17f/0x1c0 [ 291.128272] smp_apic_timer_interrupt+0x1cb/0x760 [ 291.133121] ? smp_reschedule_interrupt+0x109/0x650 [ 291.138140] ? smp_call_function_single_interrupt+0x650/0x650 [ 291.144031] ? interrupt_entry+0xb5/0xf0 [ 291.148096] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.153110] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.158128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.162971] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.167989] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.173008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.178550] ? check_preemption_disabled+0x48/0x280 [ 291.183566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.189115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.193969] apic_timer_interrupt+0xf/0x20 [ 291.198197] [ 291.200446] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 291.205378] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 291.224293] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 291.231999] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 291.239268] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 291.246534] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 291.253798] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 291.261069] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 291.268378] skb_clone+0x1bb/0x500 [ 291.271921] ? skb_split+0x11e0/0x11e0 [ 291.275815] ? check_preemption_disabled+0x48/0x280 [ 291.280837] ? __this_cpu_preempt_check+0x1c/0x20 [ 291.285700] ? __bpf_redirect+0x54b/0xb20 [ 291.289863] bpf_clone_redirect+0xb9/0x490 [ 291.294109] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 291.299147] ? __sched_text_start+0x8/0x8 [ 291.303402] ? find_held_lock+0x36/0x1c0 [ 291.307521] ? lock_acquire+0x1ed/0x520 [ 291.311496] ? bpf_test_run+0x3cb/0x780 [ 291.315477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.321014] ? check_preemption_disabled+0x48/0x280 [ 291.326042] ? kasan_check_read+0x11/0x20 [ 291.330197] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.335496] ? rcu_bh_qs+0xc0/0xc0 [ 291.339040] ? preempt_schedule+0x4d/0x60 [ 291.343189] ? ___preempt_schedule+0x16/0x18 [ 291.347617] ? bpf_test_run+0x25d/0x780 [ 291.351608] ? netlink_diag_dump+0x2a0/0x2a0 [ 291.356027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.361568] ? bpf_test_init.isra.10+0x70/0x100 [ 291.366242] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 291.371022] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 291.375869] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 291.381410] ? fput+0x130/0x1a0 [ 291.384706] ? __bpf_prog_get+0x9b/0x290 [ 291.388775] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 291.393618] ? bpf_prog_test_run+0x130/0x1a0 [ 291.398032] ? __x64_sys_bpf+0x3d8/0x520 [ 291.402101] ? bpf_prog_get+0x20/0x20 [ 291.405927] ? do_syscall_64+0x1b9/0x820 [ 291.409999] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 291.415371] ? syscall_return_slowpath+0x5e0/0x5e0 [ 291.420305] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.425342] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 291.430360] ? recalc_sigpending_tsk+0x180/0x180 [ 291.435118] ? kasan_check_write+0x14/0x20 [ 291.439360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.444219] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.449602] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 291.449672] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 291.456526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 291.456532] Call Trace: [ 291.456552] dump_stack+0x1c4/0x2b6 [ 291.456575] ? dump_stack_print_info.cold.1+0x20/0x20 [ 291.463295] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 291.472613] warn_alloc.cold.119+0xb7/0x1bd [ 291.475167] syz-executor0 cpuset= [ 291.478789] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 291.483954] syz0 [ 291.494439] ? lock_downgrade+0x900/0x900 [ 291.498739] mems_allowed=0 [ 291.502191] ? trace_hardirqs_off+0xb8/0x310 [ 291.520431] ? trace_hardirqs_off+0xb8/0x310 [ 291.524850] __alloc_pages_slowpath+0x265e/0x2d70 [ 291.529758] ? warn_alloc+0x120/0x120 [ 291.533573] ? warn_alloc+0x120/0x120 [ 291.537382] ? print_usage_bug+0xc0/0xc0 [ 291.541454] ? warn_alloc+0x120/0x120 [ 291.545276] ? print_usage_bug+0xc0/0xc0 [ 291.549345] ? __lock_acquire+0x7ec/0x4ec0 [ 291.553599] ? __lock_acquire+0x7ec/0x4ec0 [ 291.557839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.563377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.568922] ? should_fail+0x22d/0xd01 [ 291.572828] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.577930] ? __lock_acquire+0x7ec/0x4ec0 [ 291.582173] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.587294] ? __lock_acquire+0x7ec/0x4ec0 [ 291.591525] ? should_fail+0x22d/0xd01 [ 291.595432] ? mark_held_locks+0x130/0x130 [ 291.599678] ? mark_held_locks+0x130/0x130 [ 291.603919] ? mark_held_locks+0xc7/0x130 [ 291.608067] ? print_usage_bug+0xc0/0xc0 [ 291.612129] ? graph_lock+0x170/0x170 [ 291.615930] ? print_usage_bug+0xc0/0xc0 [ 291.619993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.625533] ? check_preemption_disabled+0x48/0x280 [ 291.630549] ? check_preemption_disabled+0x48/0x280 [ 291.635596] ? __lock_is_held+0xb5/0x140 [ 291.639665] __alloc_pages_nodemask+0xa80/0xde0 [ 291.644339] ? graph_lock+0x170/0x170 [ 291.648150] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 291.653165] ? graph_lock+0x170/0x170 [ 291.656982] ? find_held_lock+0x36/0x1c0 [ 291.661056] ? ____cache_alloc_node+0x1c7/0x1e0 [ 291.665729] ? lock_downgrade+0x900/0x900 [ 291.669892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.675446] cache_grow_begin+0x91/0x8c0 [ 291.679521] ? do_raw_spin_unlock+0xa7/0x330 [ 291.683939] fallback_alloc+0x203/0x2e0 [ 291.687922] ____cache_alloc_node+0x1c7/0x1e0 [ 291.692438] kmem_cache_alloc_node+0xe3/0x730 [ 291.696942] ? ipv6_get_ifaddr+0x42e/0x620 [ 291.701189] __alloc_skb+0x119/0x770 [ 291.704906] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.710189] ? skb_scrub_packet+0x490/0x490 [ 291.714512] ? lock_downgrade+0x900/0x900 [ 291.718672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.724216] ? refcount_sub_and_test_checked+0x203/0x310 [ 291.729691] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 291.735148] ? addrconf_rs_timer+0x690/0x690 [ 291.739572] ndisc_alloc_skb+0x144/0x340 [ 291.743643] ndisc_send_rs+0x331/0x6e0 [ 291.747537] addrconf_rs_timer+0x314/0x690 [ 291.751784] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.756501] call_timer_fn+0x272/0x920 [ 291.760391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.764637] ? process_timeout+0x40/0x40 [ 291.768697] ? find_held_lock+0x36/0x1c0 [ 291.772783] ? __run_timers+0x7da/0xc70 [ 291.776774] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.781276] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.785775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.790017] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 291.794606] ? trace_hardirqs_on+0xbd/0x310 [ 291.798948] ? kasan_check_read+0x11/0x20 [ 291.803103] ? __run_timers+0x7da/0xc70 [ 291.807086] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.812549] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.816793] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.821036] __run_timers+0x7e5/0xc70 [ 291.824860] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 291.830229] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.834740] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.839239] ? lockdep_hardirqs_on+0x421/0x5c0 [ 291.843837] ? trace_hardirqs_on+0xbd/0x310 [ 291.848165] ? kasan_check_read+0x11/0x20 [ 291.852333] ? finish_task_switch+0x1f4/0x910 [ 291.856833] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.862291] ? compat_start_thread+0x80/0x80 [ 291.866707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.872295] ? _raw_spin_unlock_irq+0x60/0x80 [ 291.876814] ? pvclock_read_flags+0x160/0x160 [ 291.881318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.886866] ? check_preemption_disabled+0x48/0x280 [ 291.891896] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.897190] ? rcu_pm_notify+0xc0/0xc0 [ 291.901084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.906625] ? check_preemption_disabled+0x48/0x280 [ 291.911651] run_timer_softirq+0x52/0xb0 [ 291.915715] ? rcu_read_lock_sched_held+0x108/0x120 [ 291.920734] __do_softirq+0x30c/0xb03 [ 291.924549] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 291.929656] ? trace_hardirqs_off+0x310/0x310 [ 291.934157] ? trace_hardirqs_on+0x310/0x310 [ 291.938576] ? schedule+0x108/0x460 [ 291.942205] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 291.946970] ? trace_hardirqs_off+0xb8/0x310 [ 291.951398] ? smpboot_thread_fn+0x68b/0xa00 [ 291.955815] ? trace_hardirqs_on+0x310/0x310 [ 291.960229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.965778] ? check_preemption_disabled+0x48/0x280 [ 291.970802] ? takeover_tasklets+0xa90/0xa90 [ 291.975220] run_ksoftirqd+0x94/0x100 [ 291.979029] smpboot_thread_fn+0x68b/0xa00 [ 291.983276] ? sort_range+0x30/0x30 [ 291.986908] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 291.992014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.997558] ? __kthread_parkme+0xfb/0x1a0 [ 292.001801] kthread+0x35a/0x420 [ 292.005183] ? sort_range+0x30/0x30 [ 292.008813] ? kthread_bind+0x40/0x40 [ 292.012623] ret_from_fork+0x3a/0x50 [ 292.016358] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 292.016364] warn_alloc_show_mem: 1 callbacks suppressed [ 292.016371] Mem-Info: [ 292.023734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.029101] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 292.029101] active_file:11 inactive_file:12 isolated_file:0 [ 292.029101] unevictable:0 dirty:0 writeback:0 unstable:0 [ 292.029101] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 292.029101] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 292.029101] free:13647 free_pcp:360 free_cma:0 [ 292.031486] Call Trace: [ 292.040874] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 292.073889] [ 292.076476] Node 0 [ 292.104146] dump_stack+0x1c4/0x2b6 [ 292.106297] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 292.108505] ? dump_stack_print_info.cold.1+0x20/0x20 [ 292.112098] lowmem_reserve[]: 0 [ 292.137610] warn_alloc.cold.119+0xb7/0x1bd [ 292.142767] 2819 [ 292.146040] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.150332] 6323 6323 [ 292.152398] ? lock_downgrade+0x900/0x900 [ 292.159730] ? trace_hardirqs_off+0xb8/0x310 [ 292.163852] Node 0 DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 292.168287] ? trace_hardirqs_off+0xb8/0x310 [ 292.168313] __alloc_pages_slowpath+0x265e/0x2d70 [ 292.195610] lowmem_reserve[]: 0 [ 292.200046] ? warn_alloc+0x120/0x120 [ 292.204841] 0 [ 292.208115] ? lock_release+0x970/0x970 [ 292.211888] 3503 [ 292.213682] ? warn_alloc+0x120/0x120 [ 292.217632] 3503 [ 292.219689] ? print_usage_bug+0xc0/0xc0 [ 292.225520] ? warn_alloc+0x120/0x120 [ 292.229555] Node 0 [ 292.233359] ? print_usage_bug+0xc0/0xc0 [ 292.233390] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 292.233397] lowmem_reserve[]: [ 292.235648] ? __lock_acquire+0x7ec/0x4ec0 [ 292.239685] 0 [ 292.268137] ? __lock_acquire+0x7ec/0x4ec0 [ 292.271218] 0 [ 292.275455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.277233] 0 [ 292.281481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.283262] 0 [ 292.288793] ? should_fail+0x22d/0xd01 [ 292.296107] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.297885] Node 0 [ 292.301775] ? __lock_acquire+0x7ec/0x4ec0 [ 292.306851] DMA: [ 292.309083] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.313298] 1*4kB [ 292.315357] ? __lock_acquire+0x7ec/0x4ec0 [ 292.320472] (U) [ 292.322622] ? should_fail+0x22d/0xd01 [ 292.326849] 0*8kB [ 292.328833] ? mark_held_locks+0x130/0x130 [ 292.332681] 0*16kB 1*32kB [ 292.334833] ? mark_held_locks+0x130/0x130 [ 292.339055] (U) [ 292.341893] ? graph_lock+0x170/0x170 [ 292.346105] 2*64kB [ 292.348078] ? print_usage_bug+0xc0/0xc0 [ 292.351853] (U) [ 292.354081] ? graph_lock+0x170/0x170 [ 292.358116] 1*128kB (U) [ 292.360092] ? print_usage_bug+0xc0/0xc0 [ 292.363868] 1*256kB [ 292.366532] ? wq_watchdog_touch+0x9c/0xfe [ 292.370570] (U) [ 292.372890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.377096] 0*512kB [ 292.379072] ? check_preemption_disabled+0x48/0x280 [ 292.384584] 1*1024kB [ 292.386932] ? check_preemption_disabled+0x48/0x280 [ 292.391914] (U) [ 292.394359] ? __lock_is_held+0xb5/0x140 [ 292.399341] 1*2048kB (M) [ 292.401326] __alloc_pages_nodemask+0xa80/0xde0 [ 292.405357] 3*4096kB [ 292.408110] ? graph_lock+0x170/0x170 [ 292.412751] (M) = 15908kB [ 292.415166] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 292.418941] Node 0 [ 292.421691] ? graph_lock+0x170/0x170 [ 292.426687] DMA32: [ 292.428927] ? find_held_lock+0x36/0x1c0 [ 292.432697] 4*4kB [ 292.434936] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.438964] (UM) [ 292.441114] ? lock_downgrade+0x900/0x900 [ 292.445755] 2*8kB (UM) [ 292.447835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.451956] 2*16kB [ 292.454541] cache_grow_begin+0x91/0x8c0 [ 292.460047] (M) 3*32kB [ 292.462287] ? do_raw_spin_unlock+0xa7/0x330 [ 292.466324] (UM) [ 292.468911] fallback_alloc+0x203/0x2e0 [ 292.473287] 4*64kB (M) [ 292.475409] ____cache_alloc_node+0x1c7/0x1e0 [ 292.479358] 4*128kB (UM) [ 292.481952] kmem_cache_alloc_node+0xe3/0x730 [ 292.486450] 3*256kB [ 292.489206] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.493675] (M) [ 292.495999] __alloc_skb+0x119/0x770 [ 292.500268] 3*512kB [ 292.502251] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.505934] (M) 3*1024kB [ 292.508266] ? skb_scrub_packet+0x490/0x490 [ 292.513520] (UM) [ 292.516276] ? lock_downgrade+0x900/0x900 [ 292.520574] 3*2048kB [ 292.522637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.526751] (M) 3*4096kB [ 292.529196] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.534701] (M) = 24736kB [ 292.537464] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.542891] Node 0 [ 292.545642] ? addrconf_rs_timer+0x690/0x690 [ 292.551065] Normal: [ 292.553303] ndisc_alloc_skb+0x144/0x340 [ 292.557680] 592*4kB [ 292.559999] ndisc_send_rs+0x331/0x6e0 [ 292.564030] (UMEH) 405*8kB [ 292.566359] addrconf_rs_timer+0x314/0x690 [ 292.570231] (UMEH) 177*16kB [ 292.573171] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.577377] (UME) 103*32kB [ 292.580413] call_timer_fn+0x272/0x920 [ 292.584616] (UMH) [ 292.587543] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.591410] 15*64kB [ 292.593565] ? process_timeout+0x40/0x40 [ 292.597774] (UMH) [ 292.600095] ? find_held_lock+0x36/0x1c0 [ 292.604134] 0*128kB [ 292.606280] ? __run_timers+0x7da/0xc70 [ 292.610314] 1*256kB [ 292.612633] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.616579] (H) [ 292.618902] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.623564] 0*512kB 1*1024kB [ 292.625547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.630013] (H) [ 292.633115] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 292.637328] 0*2048kB [ 292.639296] ? trace_hardirqs_on+0xbd/0x310 [ 292.643944] 0*4096kB [ 292.646349] ? kasan_check_read+0x11/0x20 [ 292.650645] = 13976kB [ 292.653102] ? __run_timers+0x7da/0xc70 [ 292.657234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 292.659634] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.663589] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 292.672414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.677851] 1241 total pagecache pages [ 292.686425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.690654] 0 pages in swap cache [ 292.694532] __run_timers+0x7e5/0xc70 [ 292.698744] Swap cache stats: add 0, delete 0, find 0/0 [ 292.702202] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 292.705972] Free swap = 0kB [ 292.711330] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 292.716665] Total swap = 0kB [ 292.716673] 1965979 pages RAM [ 292.719689] ? graph_lock+0x170/0x170 [ 292.724712] 0 pages HighMem/MovableOnly [ 292.724720] 342306 pages reserved [ 292.727734] ? enqueue_hrtimer+0x1a5/0x560 [ 292.730813] 0 pages cma reserved [ 292.730894] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.734611] ? lock_release+0x970/0x970 [ 292.734626] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 292.738704] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.742045] ? find_held_lock+0x36/0x1c0 [ 292.746255] ksoftirqd/1 cpuset= [ 292.749617] ? graph_lock+0x170/0x170 [ 292.756086] / [ 292.760053] ? pvclock_read_flags+0x160/0x160 [ 292.765216] mems_allowed=0 [ 292.795721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.801268] ? check_preemption_disabled+0x48/0x280 [ 292.806314] ? __lock_is_held+0xb5/0x140 [ 292.810382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.815942] ? check_preemption_disabled+0x48/0x280 [ 292.820967] run_timer_softirq+0x52/0xb0 [ 292.825034] ? rcu_read_lock_sched_held+0x108/0x120 [ 292.830069] __do_softirq+0x30c/0xb03 [ 292.833883] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 292.838997] ? pvclock_read_flags+0x160/0x160 [ 292.843493] ? lapic_next_event+0x5a/0x90 [ 292.847642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.853197] ? check_preemption_disabled+0x48/0x280 [ 292.858211] ? check_preemption_disabled+0x48/0x280 [ 292.863242] ? kvm_clock_read+0x18/0x30 [ 292.867221] ? kvm_sched_clock_read+0x9/0x20 [ 292.871631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.877189] ? check_preemption_disabled+0x48/0x280 [ 292.882249] irq_exit+0x17f/0x1c0 [ 292.885704] smp_apic_timer_interrupt+0x1cb/0x760 [ 292.890589] ? smp_reschedule_interrupt+0x109/0x650 [ 292.895660] ? smp_call_function_single_interrupt+0x650/0x650 [ 292.901580] ? interrupt_entry+0xb5/0xf0 [ 292.905643] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.910658] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.915680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.920529] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.925550] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.930572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.936110] ? check_preemption_disabled+0x48/0x280 [ 292.941131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.946675] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.951531] apic_timer_interrupt+0xf/0x20 [ 292.955762] [ 292.958003] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 292.962936] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 292.981841] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 292.989554] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 292.996821] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 293.004088] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 293.011355] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 293.018623] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 293.025938] skb_clone+0x1bb/0x500 [ 293.029482] ? skb_split+0x11e0/0x11e0 [ 293.033373] ? check_preemption_disabled+0x48/0x280 [ 293.038397] ? __this_cpu_preempt_check+0x1c/0x20 [ 293.043253] ? __bpf_redirect+0x54b/0xb20 [ 293.047412] bpf_clone_redirect+0xb9/0x490 [ 293.051668] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 293.056687] ? __sched_text_start+0x8/0x8 [ 293.060859] ? find_held_lock+0x36/0x1c0 [ 293.064934] ? lock_acquire+0x1ed/0x520 [ 293.068909] ? bpf_test_run+0x3cb/0x780 [ 293.072888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.078441] ? check_preemption_disabled+0x48/0x280 [ 293.083466] ? kasan_check_read+0x11/0x20 [ 293.087619] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.092902] ? rcu_bh_qs+0xc0/0xc0 [ 293.096452] ? preempt_schedule+0x4d/0x60 [ 293.100603] ? ___preempt_schedule+0x16/0x18 [ 293.105020] ? bpf_test_run+0x25d/0x780 [ 293.109011] ? netlink_diag_dump+0x2a0/0x2a0 [ 293.113489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.119041] ? bpf_test_init.isra.10+0x70/0x100 [ 293.123722] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 293.128494] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 293.133338] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 293.138879] ? fput+0x130/0x1a0 [ 293.142166] ? __bpf_prog_get+0x9b/0x290 [ 293.146239] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 293.151089] ? bpf_prog_test_run+0x130/0x1a0 [ 293.155503] ? __x64_sys_bpf+0x3d8/0x520 [ 293.159570] ? bpf_prog_get+0x20/0x20 [ 293.163394] ? do_syscall_64+0x1b9/0x820 [ 293.167466] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 293.172841] ? syscall_return_slowpath+0x5e0/0x5e0 [ 293.177778] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.182804] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 293.187825] ? recalc_sigpending_tsk+0x180/0x180 [ 293.192588] ? kasan_check_write+0x14/0x20 [ 293.196832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.201691] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 293.207076] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 293.207146] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 293.214009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.214017] Call Trace: [ 293.220581] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 293.229848] dump_stack+0x1c4/0x2b6 [ 293.232411] syz-executor0 cpuset= [ 293.242901] ? dump_stack_print_info.cold.1+0x20/0x20 [ 293.246506] syz0 [ 293.249964] warn_alloc.cold.119+0xb7/0x1bd [ 293.255122] mems_allowed=0 [ 293.257092] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.269156] ? lock_downgrade+0x900/0x900 [ 293.273318] ? trace_hardirqs_off+0xb8/0x310 [ 293.277734] ? trace_hardirqs_off+0xb8/0x310 [ 293.282169] __alloc_pages_slowpath+0x265e/0x2d70 [ 293.287045] ? warn_alloc+0x120/0x120 [ 293.290854] ? warn_alloc+0x120/0x120 [ 293.294658] ? print_usage_bug+0xc0/0xc0 [ 293.298721] ? warn_alloc+0x120/0x120 [ 293.302528] ? print_usage_bug+0xc0/0xc0 [ 293.306597] ? __lock_acquire+0x7ec/0x4ec0 [ 293.310839] ? __lock_acquire+0x7ec/0x4ec0 [ 293.315075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.320619] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.326158] ? should_fail+0x22d/0xd01 [ 293.330087] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.335196] ? __lock_acquire+0x7ec/0x4ec0 [ 293.339487] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.344591] ? __lock_acquire+0x7ec/0x4ec0 [ 293.348825] ? should_fail+0x22d/0xd01 [ 293.352726] ? mark_held_locks+0x130/0x130 [ 293.356967] ? mark_held_locks+0x130/0x130 [ 293.361213] ? mark_held_locks+0xc7/0x130 [ 293.365393] ? print_usage_bug+0xc0/0xc0 [ 293.369463] ? graph_lock+0x170/0x170 [ 293.373281] ? print_usage_bug+0xc0/0xc0 [ 293.377352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.382895] ? check_preemption_disabled+0x48/0x280 [ 293.387915] ? check_preemption_disabled+0x48/0x280 [ 293.392948] ? __lock_is_held+0xb5/0x140 [ 293.397019] __alloc_pages_nodemask+0xa80/0xde0 [ 293.401688] ? graph_lock+0x170/0x170 [ 293.405509] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 293.410529] ? graph_lock+0x170/0x170 [ 293.414344] ? find_held_lock+0x36/0x1c0 [ 293.418445] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.423117] ? lock_downgrade+0x900/0x900 [ 293.427278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.432823] cache_grow_begin+0x91/0x8c0 [ 293.436889] ? do_raw_spin_unlock+0xa7/0x330 [ 293.441339] fallback_alloc+0x203/0x2e0 [ 293.445337] ____cache_alloc_node+0x1c7/0x1e0 [ 293.449839] kmem_cache_alloc_node+0xe3/0x730 [ 293.454336] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.458586] __alloc_skb+0x119/0x770 [ 293.462324] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.467610] ? skb_scrub_packet+0x490/0x490 [ 293.471932] ? lock_downgrade+0x900/0x900 [ 293.476088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.481631] ? refcount_sub_and_test_checked+0x203/0x310 [ 293.487088] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 293.492543] ? addrconf_rs_timer+0x690/0x690 [ 293.496966] ndisc_alloc_skb+0x144/0x340 [ 293.501038] ndisc_send_rs+0x331/0x6e0 [ 293.504934] addrconf_rs_timer+0x314/0x690 [ 293.509205] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.513470] call_timer_fn+0x272/0x920 [ 293.517358] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.521613] ? process_timeout+0x40/0x40 [ 293.525676] ? find_held_lock+0x36/0x1c0 [ 293.529765] ? __run_timers+0x7da/0xc70 [ 293.533778] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.538283] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.542777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.547013] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 293.551601] ? trace_hardirqs_on+0xbd/0x310 [ 293.555925] ? kasan_check_read+0x11/0x20 [ 293.560075] ? __run_timers+0x7da/0xc70 [ 293.564054] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.569514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.573758] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.577999] __run_timers+0x7e5/0xc70 [ 293.581816] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 293.587183] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.591679] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.596179] ? lockdep_hardirqs_on+0x421/0x5c0 [ 293.600766] ? trace_hardirqs_on+0xbd/0x310 [ 293.605092] ? kasan_check_read+0x11/0x20 [ 293.609259] ? finish_task_switch+0x1f4/0x910 [ 293.613759] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.619211] ? compat_start_thread+0x80/0x80 [ 293.623629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.629188] ? _raw_spin_unlock_irq+0x60/0x80 [ 293.633699] ? pvclock_read_flags+0x160/0x160 [ 293.638196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.643738] ? check_preemption_disabled+0x48/0x280 [ 293.648770] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.654051] ? rcu_pm_notify+0xc0/0xc0 [ 293.657941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.663482] ? check_preemption_disabled+0x48/0x280 [ 293.668512] run_timer_softirq+0x52/0xb0 [ 293.672578] ? rcu_read_lock_sched_held+0x108/0x120 [ 293.677615] __do_softirq+0x30c/0xb03 [ 293.681454] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 293.686557] ? trace_hardirqs_off+0x310/0x310 [ 293.691056] ? trace_hardirqs_on+0x310/0x310 [ 293.695473] ? schedule+0x108/0x460 [ 293.699106] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.703873] ? trace_hardirqs_off+0xb8/0x310 [ 293.708287] ? smpboot_thread_fn+0x68b/0xa00 [ 293.712699] ? trace_hardirqs_on+0x310/0x310 [ 293.717120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.722667] ? check_preemption_disabled+0x48/0x280 [ 293.727697] ? takeover_tasklets+0xa90/0xa90 [ 293.732121] run_ksoftirqd+0x94/0x100 [ 293.735931] smpboot_thread_fn+0x68b/0xa00 [ 293.740174] ? sort_range+0x30/0x30 [ 293.743809] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 293.748915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.754922] ? __kthread_parkme+0xfb/0x1a0 [ 293.759171] kthread+0x35a/0x420 [ 293.762541] ? sort_range+0x30/0x30 [ 293.766171] ? kthread_bind+0x40/0x40 [ 293.769981] ret_from_fork+0x3a/0x50 [ 293.773722] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 293.773728] warn_alloc_show_mem: 1 callbacks suppressed [ 293.773735] Mem-Info: [ 293.781101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.786474] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 293.786474] active_file:11 inactive_file:12 isolated_file:0 [ 293.786474] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.786474] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 293.786474] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 293.786474] free:13647 free_pcp:360 free_cma:0 [ 293.788849] Call Trace: [ 293.798237] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 293.831293] [ 293.833895] Node 0 [ 293.861572] dump_stack+0x1c4/0x2b6 [ 293.863720] 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 [ 293.865928] ? dump_stack_print_info.cold.1+0x20/0x20 [ 293.869532] lowmem_reserve[]: [ 293.895049] warn_alloc.cold.119+0xb7/0x1bd [ 293.900209] 0 [ 293.903330] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.907636] 2819 6323 [ 293.909457] ? lock_downgrade+0x900/0x900 [ 293.914277] 6323 [ 293.916782] ? trace_hardirqs_off+0xb8/0x310 [ 293.922966] ? trace_hardirqs_off+0xb8/0x310 [ 293.927349] Node 0 DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 293.931786] __alloc_pages_slowpath+0x265e/0x2d70 [ 293.931829] ? warn_alloc+0x120/0x120 [ 293.959107] lowmem_reserve[]: 0 [ 293.963976] ? trace_hardirqs_on+0x310/0x310 [ 293.967743] 0 [ 293.971019] ? warn_alloc+0x120/0x120 [ 293.975406] 3503 [ 293.977216] ? print_usage_bug+0xc0/0xc0 [ 293.980983] 3503 [ 293.983049] ? warn_alloc+0x120/0x120 [ 293.987088] Node 0 [ 293.989150] ? ktime_get+0x2e1/0x440 [ 293.992950] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 293.995156] ? print_usage_bug+0xc0/0xc0 [ 293.998847] lowmem_reserve[]: [ 294.027338] ? __lock_acquire+0x7ec/0x4ec0 [ 294.031377] 0 [ 294.034477] ? __lock_acquire+0x7ec/0x4ec0 [ 294.038710] 0 [ 294.040532] ? kasan_check_read+0x11/0x20 [ 294.044732] 0 0 [ 294.046543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.052643] ? should_fail+0x22d/0xd01 [ 294.058187] Node 0 [ 294.062077] ? rcu_bh_qs+0xc0/0xc0 [ 294.062087] DMA: [ 294.064319] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.067839] 1*4kB [ 294.069897] ? __lock_acquire+0x7ec/0x4ec0 [ 294.074977] (U) [ 294.077122] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.081336] 0*8kB [ 294.083306] ? __lock_acquire+0x7ec/0x4ec0 [ 294.088387] 0*16kB [ 294.090528] ? should_fail+0x22d/0xd01 [ 294.094731] 1*32kB (U) [ 294.096977] ? rcu_idle_enter+0x4b0/0x4b0 [ 294.100840] 2*64kB [ 294.103432] ? mark_held_locks+0x130/0x130 [ 294.107549] (U) [ 294.109782] ? mark_held_locks+0x130/0x130 [ 294.114001] 1*128kB [ 294.115972] ? mark_held_locks+0xc7/0x130 [ 294.120181] (U) [ 294.122501] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 294.126628] 1*256kB [ 294.128602] ? graph_lock+0x170/0x170 [ 294.133591] (U) [ 294.135908] ? print_usage_bug+0xc0/0xc0 [ 294.139686] 0*512kB [ 294.141661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.145718] 1*1024kB [ 294.148038] ? check_preemption_disabled+0x48/0x280 [ 294.153545] (U) [ 294.155955] ? check_preemption_disabled+0x48/0x280 [ 294.160942] 1*2048kB (M) [ 294.162926] ? __lock_is_held+0xb5/0x140 [ 294.167916] 3*4096kB [ 294.170669] __alloc_pages_nodemask+0xa80/0xde0 [ 294.174741] (M) [ 294.177151] ? graph_lock+0x170/0x170 [ 294.181798] = 15908kB [ 294.183772] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 294.187547] Node 0 [ 294.189953] ? graph_lock+0x170/0x170 [ 294.194944] DMA32: [ 294.197194] ? find_held_lock+0x36/0x1c0 [ 294.200962] 4*4kB [ 294.203198] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.207319] (UM) [ 294.209465] ? lock_downgrade+0x900/0x900 [ 294.214109] 2*8kB [ 294.216171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.220290] (UM) [ 294.222447] cache_grow_begin+0x91/0x8c0 [ 294.227982] 2*16kB [ 294.230046] ? do_raw_spin_unlock+0xa7/0x330 [ 294.234076] (M) 3*32kB [ 294.236324] fallback_alloc+0x203/0x2e0 [ 294.240715] (UM) [ 294.243295] ____cache_alloc_node+0x1c7/0x1e0 [ 294.247242] 4*64kB (M) [ 294.249313] kmem_cache_alloc_node+0xe3/0x730 [ 294.253786] 4*128kB [ 294.256367] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.260840] (UM) [ 294.263164] __alloc_skb+0x119/0x770 [ 294.267363] 3*256kB (M) [ 294.269443] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.273133] 3*512kB [ 294.275800] ? skb_scrub_packet+0x490/0x490 [ 294.281051] (M) [ 294.283374] ? lock_downgrade+0x900/0x900 [ 294.287671] 3*1024kB [ 294.289649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.293768] (UM) [ 294.296187] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.301689] 3*2048kB (M) [ 294.303762] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.309187] 3*4096kB [ 294.311941] ? addrconf_rs_timer+0x690/0x690 [ 294.317366] (M) [ 294.319780] ndisc_alloc_skb+0x144/0x340 [ 294.324155] = 24736kB [ 294.326124] ndisc_send_rs+0x331/0x6e0 [ 294.330160] Node 0 [ 294.332568] addrconf_rs_timer+0x314/0x690 [ 294.336524] Normal: 592*4kB [ 294.338770] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.342976] (UMEH) [ 294.345997] call_timer_fn+0x272/0x920 [ 294.350190] 405*8kB (UMEH) [ 294.352434] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.356293] 177*16kB (UME) [ 294.359228] ? process_timeout+0x40/0x40 [ 294.363446] 103*32kB [ 294.366370] ? find_held_lock+0x36/0x1c0 [ 294.370404] (UMH) [ 294.372825] ? __run_timers+0x7da/0xc70 [ 294.376858] 15*64kB (UMH) [ 294.379020] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.382967] 0*128kB [ 294.385855] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.390347] 1*256kB (H) [ 294.392675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.397144] 0*512kB 1*1024kB [ 294.399818] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 294.404031] (H) [ 294.407159] ? trace_hardirqs_on+0xbd/0x310 [ 294.411727] 0*2048kB 0*4096kB [ 294.413728] ? kasan_check_read+0x11/0x20 [ 294.418020] = 13976kB [ 294.421219] ? __run_timers+0x7da/0xc70 [ 294.425370] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 294.427798] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.431753] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 294.440594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.446020] 1241 total pagecache pages [ 294.454687] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.458908] 0 pages in swap cache [ 294.462785] __run_timers+0x7e5/0xc70 [ 294.467002] Swap cache stats: add 0, delete 0, find 0/0 [ 294.470461] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 294.474232] Free swap = 0kB [ 294.479595] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 294.484933] Total swap = 0kB [ 294.487945] ? graph_lock+0x170/0x170 [ 294.492937] 1965979 pages RAM [ 294.495946] ? enqueue_hrtimer+0x1a5/0x560 [ 294.499717] 0 pages HighMem/MovableOnly [ 294.499726] 342306 pages reserved [ 294.502828] ? lock_release+0x970/0x970 [ 294.507041] 0 pages cma reserved [ 294.511023] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 294.514523] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.518440] ? find_held_lock+0x36/0x1c0 [ 294.518457] ? graph_lock+0x170/0x170 [ 294.518474] ? pvclock_read_flags+0x160/0x160 [ 294.521877] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.527005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.533477] ksoftirqd/1 cpuset= [ 294.537538] ? check_preemption_disabled+0x48/0x280 [ 294.541309] / [ 294.545803] ? __lock_is_held+0xb5/0x140 [ 294.556092] mems_allowed=0 [ 294.561624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.584090] ? check_preemption_disabled+0x48/0x280 [ 294.589120] run_timer_softirq+0x52/0xb0 [ 294.593183] ? rcu_read_lock_sched_held+0x108/0x120 [ 294.598216] __do_softirq+0x30c/0xb03 [ 294.602029] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 294.607138] ? pvclock_read_flags+0x160/0x160 [ 294.611635] ? lapic_next_event+0x5a/0x90 [ 294.615790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.621328] ? check_preemption_disabled+0x48/0x280 [ 294.626819] ? check_preemption_disabled+0x48/0x280 [ 294.631845] ? kvm_clock_read+0x18/0x30 [ 294.635820] ? kvm_sched_clock_read+0x9/0x20 [ 294.640233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.645782] ? check_preemption_disabled+0x48/0x280 [ 294.650816] irq_exit+0x17f/0x1c0 [ 294.654290] smp_apic_timer_interrupt+0x1cb/0x760 [ 294.659149] ? smp_reschedule_interrupt+0x109/0x650 [ 294.664170] ? smp_call_function_single_interrupt+0x650/0x650 [ 294.670061] ? interrupt_entry+0xb5/0xf0 [ 294.674125] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.679140] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.684171] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.689015] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.694030] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.699046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.704591] ? check_preemption_disabled+0x48/0x280 [ 294.709617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.715175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.720041] apic_timer_interrupt+0xf/0x20 [ 294.724271] [ 294.726519] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 294.731454] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 294.750355] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 294.758064] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 294.765349] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 294.772618] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 294.779886] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 294.787157] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 294.794559] skb_clone+0x1bb/0x500 [ 294.798106] ? skb_split+0x11e0/0x11e0 [ 294.801997] ? check_preemption_disabled+0x48/0x280 [ 294.807021] ? __this_cpu_preempt_check+0x1c/0x20 [ 294.811868] ? __bpf_redirect+0x54b/0xb20 [ 294.816026] bpf_clone_redirect+0xb9/0x490 [ 294.820274] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 294.825297] ? __sched_text_start+0x8/0x8 [ 294.829468] ? find_held_lock+0x36/0x1c0 [ 294.833543] ? lock_acquire+0x1ed/0x520 [ 294.837522] ? bpf_test_run+0x3cb/0x780 [ 294.841500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.847043] ? check_preemption_disabled+0x48/0x280 [ 294.852069] ? kasan_check_read+0x11/0x20 [ 294.856220] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.861500] ? rcu_bh_qs+0xc0/0xc0 [ 294.865042] ? preempt_schedule+0x4d/0x60 [ 294.869198] ? ___preempt_schedule+0x16/0x18 [ 294.873620] ? bpf_test_run+0x25d/0x780 [ 294.877605] ? netlink_diag_dump+0x2a0/0x2a0 [ 294.882019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.887561] ? bpf_test_init.isra.10+0x70/0x100 [ 294.892237] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 294.897004] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 294.901849] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 294.907388] ? fput+0x130/0x1a0 [ 294.910681] ? __bpf_prog_get+0x9b/0x290 [ 294.914754] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 294.919596] ? bpf_prog_test_run+0x130/0x1a0 [ 294.924011] ? __x64_sys_bpf+0x3d8/0x520 [ 294.928079] ? bpf_prog_get+0x20/0x20 [ 294.931903] ? do_syscall_64+0x1b9/0x820 [ 294.935967] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 294.941335] ? syscall_return_slowpath+0x5e0/0x5e0 [ 294.946269] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.951287] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 294.956309] ? recalc_sigpending_tsk+0x180/0x180 [ 294.961070] ? kasan_check_write+0x14/0x20 [ 294.965316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.970174] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 294.975559] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 294.975629] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.982492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.982497] Call Trace: [ 294.982516] dump_stack+0x1c4/0x2b6 [ 294.982537] ? dump_stack_print_info.cold.1+0x20/0x20 [ 294.989098] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.998373] warn_alloc.cold.119+0xb7/0x1bd [ 295.000927] syz-executor0 cpuset= [ 295.004553] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.009720] syz0 [ 295.020200] ? lock_downgrade+0x900/0x900 [ 295.024502] mems_allowed=0 [ 295.027948] ? trace_hardirqs_off+0xb8/0x310 [ 295.046710] ? trace_hardirqs_off+0xb8/0x310 [ 295.051130] __alloc_pages_slowpath+0x265e/0x2d70 [ 295.056008] ? warn_alloc+0x120/0x120 [ 295.059819] ? warn_alloc+0x120/0x120 [ 295.063630] ? print_usage_bug+0xc0/0xc0 [ 295.067698] ? warn_alloc+0x120/0x120 [ 295.071503] ? print_usage_bug+0xc0/0xc0 [ 295.075577] ? __lock_acquire+0x7ec/0x4ec0 [ 295.079817] ? __lock_acquire+0x7ec/0x4ec0 [ 295.084053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.089598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.095138] ? should_fail+0x22d/0xd01 [ 295.099038] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.104144] ? __lock_acquire+0x7ec/0x4ec0 [ 295.108386] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.113498] ? __lock_acquire+0x7ec/0x4ec0 [ 295.117734] ? should_fail+0x22d/0xd01 [ 295.121647] ? mark_held_locks+0x130/0x130 [ 295.125891] ? mark_held_locks+0x130/0x130 [ 295.130144] ? graph_lock+0x170/0x170 [ 295.133953] ? print_usage_bug+0xc0/0xc0 [ 295.138019] ? graph_lock+0x170/0x170 [ 295.141824] ? print_usage_bug+0xc0/0xc0 [ 295.145894] ? wq_watchdog_touch+0x9c/0xfe [ 295.150135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.155677] ? check_preemption_disabled+0x48/0x280 [ 295.160696] ? check_preemption_disabled+0x48/0x280 [ 295.165727] ? __lock_is_held+0xb5/0x140 [ 295.169806] __alloc_pages_nodemask+0xa80/0xde0 [ 295.174479] ? graph_lock+0x170/0x170 [ 295.178288] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 295.183305] ? graph_lock+0x170/0x170 [ 295.187125] ? find_held_lock+0x36/0x1c0 [ 295.191211] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.195903] ? lock_downgrade+0x900/0x900 [ 295.200074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.205640] cache_grow_begin+0x91/0x8c0 [ 295.209722] ? do_raw_spin_unlock+0xa7/0x330 [ 295.214153] fallback_alloc+0x203/0x2e0 [ 295.218140] ____cache_alloc_node+0x1c7/0x1e0 [ 295.222643] kmem_cache_alloc_node+0xe3/0x730 [ 295.227140] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.231398] __alloc_skb+0x119/0x770 [ 295.235133] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.240434] ? skb_scrub_packet+0x490/0x490 [ 295.244768] ? lock_downgrade+0x900/0x900 [ 295.248936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.254481] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.259944] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.265400] ? addrconf_rs_timer+0x690/0x690 [ 295.269852] ndisc_alloc_skb+0x144/0x340 [ 295.273923] ndisc_send_rs+0x331/0x6e0 [ 295.277819] addrconf_rs_timer+0x314/0x690 [ 295.282062] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.286318] call_timer_fn+0x272/0x920 [ 295.290207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.294457] ? process_timeout+0x40/0x40 [ 295.298524] ? find_held_lock+0x36/0x1c0 [ 295.302600] ? __run_timers+0x7da/0xc70 [ 295.306583] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.311081] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.315579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.319821] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 295.324414] ? trace_hardirqs_on+0xbd/0x310 [ 295.328751] ? kasan_check_read+0x11/0x20 [ 295.332908] ? __run_timers+0x7da/0xc70 [ 295.336890] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.342349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.346591] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.350831] __run_timers+0x7e5/0xc70 [ 295.354656] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 295.360027] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.364524] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.369022] ? lockdep_hardirqs_on+0x421/0x5c0 [ 295.373609] ? trace_hardirqs_on+0xbd/0x310 [ 295.377934] ? kasan_check_read+0x11/0x20 [ 295.382085] ? finish_task_switch+0x1f4/0x910 [ 295.386591] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.392053] ? compat_start_thread+0x80/0x80 [ 295.396473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.402026] ? _raw_spin_unlock_irq+0x60/0x80 [ 295.406535] ? pvclock_read_flags+0x160/0x160 [ 295.411040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.416583] ? check_preemption_disabled+0x48/0x280 [ 295.421615] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.426900] ? rcu_pm_notify+0xc0/0xc0 [ 295.430814] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.436356] ? check_preemption_disabled+0x48/0x280 [ 295.441385] run_timer_softirq+0x52/0xb0 [ 295.445463] ? rcu_read_lock_sched_held+0x108/0x120 [ 295.450485] __do_softirq+0x30c/0xb03 [ 295.454306] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 295.459416] ? trace_hardirqs_off+0x310/0x310 [ 295.463926] ? trace_hardirqs_on+0x310/0x310 [ 295.468344] ? schedule+0x108/0x460 [ 295.471976] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 295.476747] ? trace_hardirqs_off+0xb8/0x310 [ 295.481159] ? smpboot_thread_fn+0x68b/0xa00 [ 295.485572] ? trace_hardirqs_on+0x310/0x310 [ 295.489987] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.495531] ? check_preemption_disabled+0x48/0x280 [ 295.500562] ? takeover_tasklets+0xa90/0xa90 [ 295.504991] run_ksoftirqd+0x94/0x100 [ 295.508816] smpboot_thread_fn+0x68b/0xa00 [ 295.513070] ? sort_range+0x30/0x30 [ 295.516719] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 295.521844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.527407] ? __kthread_parkme+0xfb/0x1a0 [ 295.531690] kthread+0x35a/0x420 [ 295.535062] ? sort_range+0x30/0x30 [ 295.538692] ? kthread_bind+0x40/0x40 [ 295.542504] ret_from_fork+0x3a/0x50 [ 295.546234] warn_alloc_show_mem: 1 callbacks suppressed [ 295.546247] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 295.546254] Mem-Info: [ 295.546287] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 295.546287] active_file:11 inactive_file:12 isolated_file:0 [ 295.546287] unevictable:0 dirty:0 writeback:0 unstable:0 [ 295.546287] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 295.546287] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 295.546287] free:13647 free_pcp:360 free_cma:0 [ 295.551629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.558997] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 295.561399] Call Trace: [ 295.594468] Node 0 [ 295.603819] [ 295.631551] 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 [ 295.634116] dump_stack+0x1c4/0x2b6 [ 295.636323] lowmem_reserve[]: [ 295.638472] ? dump_stack_print_info.cold.1+0x20/0x20 [ 295.663949] 0 2819 [ 295.667602] warn_alloc.cold.119+0xb7/0x1bd [ 295.670669] 6323 [ 295.675853] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.678062] 6323 [ 295.682391] ? lock_downgrade+0x900/0x900 [ 295.684439] Node 0 [ 295.689276] ? trace_hardirqs_off+0xb8/0x310 [ 295.691339] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 295.695464] ? trace_hardirqs_off+0xb8/0x310 [ 295.697676] lowmem_reserve[]: [ 295.702083] __alloc_pages_slowpath+0x265e/0x2d70 [ 295.728775] 0 0 [ 295.733237] ? warn_alloc+0x120/0x120 [ 295.736288] 3503 [ 295.741129] ? trace_hardirqs_on+0x310/0x310 [ 295.743084] 3503 [ 295.746880] ? warn_alloc+0x120/0x120 [ 295.753324] ? print_usage_bug+0xc0/0xc0 [ 295.755879] Node 0 [ 295.759675] ? warn_alloc+0x120/0x120 [ 295.763735] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 295.765945] ? ktime_get+0x2e1/0x440 [ 295.769727] lowmem_reserve[]: [ 295.798196] ? print_usage_bug+0xc0/0xc0 [ 295.801887] 0 [ 295.804988] ? __lock_acquire+0x7ec/0x4ec0 [ 295.809027] 0 [ 295.810823] ? __lock_acquire+0x7ec/0x4ec0 [ 295.815035] 0 [ 295.816838] ? kasan_check_read+0x11/0x20 [ 295.821066] 0 [ 295.822871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.828797] ? should_fail+0x22d/0xd01 [ 295.834308] Node 0 [ 295.838192] ? rcu_bh_qs+0xc0/0xc0 [ 295.838195] DMA: 1*4kB [ 295.840464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.843978] (U) [ 295.846563] ? __lock_acquire+0x7ec/0x4ec0 [ 295.851641] 0*8kB [ 295.853615] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.857822] 0*16kB [ 295.859964] ? __lock_acquire+0x7ec/0x4ec0 [ 295.865041] 1*32kB [ 295.867274] ? should_fail+0x22d/0xd01 [ 295.871483] (U) [ 295.873715] ? rcu_idle_enter+0x4b0/0x4b0 [ 295.877579] 2*64kB [ 295.879554] ? mark_held_locks+0x130/0x130 [ 295.883676] (U) [ 295.885910] ? mark_held_locks+0x130/0x130 [ 295.890125] 1*128kB [ 295.892096] ? mark_held_locks+0xc7/0x130 [ 295.896303] (U) [ 295.898626] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 295.902745] 1*256kB (U) [ 295.904732] ? graph_lock+0x170/0x170 [ 295.909726] 0*512kB [ 295.912389] ? print_usage_bug+0xc0/0xc0 [ 295.916174] 1*1024kB [ 295.918492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.922613] (U) [ 295.925024] ? check_preemption_disabled+0x48/0x280 [ 295.930532] 1*2048kB [ 295.932504] ? check_preemption_disabled+0x48/0x280 [ 295.937498] (M) [ 295.939908] ? __lock_is_held+0xb5/0x140 [ 295.944894] 3*4096kB [ 295.946870] __alloc_pages_nodemask+0xa80/0xde0 [ 295.950904] (M) [ 295.953311] ? graph_lock+0x170/0x170 [ 295.957958] = 15908kB [ 295.959928] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 295.963706] Node 0 [ 295.966110] ? graph_lock+0x170/0x170 [ 295.971102] DMA32: [ 295.973338] ? find_held_lock+0x36/0x1c0 [ 295.977109] 4*4kB [ 295.979345] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.983377] (UM) [ 295.985526] ? lock_downgrade+0x900/0x900 [ 295.990176] 2*8kB [ 295.992239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.996365] (UM) [ 295.998511] cache_grow_begin+0x91/0x8c0 [ 296.004023] 2*16kB [ 296.006084] ? do_raw_spin_unlock+0xa7/0x330 [ 296.010121] (M) [ 296.012357] fallback_alloc+0x203/0x2e0 [ 296.016737] 3*32kB (UM) [ 296.018728] ____cache_alloc_node+0x1c7/0x1e0 [ 296.022677] 4*64kB [ 296.025341] kmem_cache_alloc_node+0xe3/0x730 [ 296.029809] (M) [ 296.032046] ? ipv6_get_ifaddr+0x42e/0x620 [ 296.036516] 4*128kB [ 296.038489] __alloc_skb+0x119/0x770 [ 296.042688] (UM) 3*256kB [ 296.045017] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.048702] (M) [ 296.051455] ? skb_scrub_packet+0x490/0x490 [ 296.056719] 3*512kB [ 296.058692] ? lock_downgrade+0x900/0x900 [ 296.062986] (M) [ 296.065310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.069439] 3*1024kB [ 296.071413] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.076936] (UM) [ 296.079342] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.084769] 3*2048kB [ 296.086828] ? addrconf_rs_timer+0x690/0x690 [ 296.092255] (M) [ 296.094670] ndisc_alloc_skb+0x144/0x340 [ 296.099047] 3*4096kB [ 296.101016] ndisc_send_rs+0x331/0x6e0 [ 296.105057] (M) [ 296.107500] addrconf_rs_timer+0x314/0x690 [ 296.111374] = 24736kB [ 296.113343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.117552] Node 0 [ 296.119967] call_timer_fn+0x272/0x920 [ 296.124171] Normal: [ 296.126405] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.130278] 592*4kB [ 296.132595] ? process_timeout+0x40/0x40 [ 296.136808] (UMEH) [ 296.139130] ? find_held_lock+0x36/0x1c0 [ 296.143164] 405*8kB [ 296.145400] ? __run_timers+0x7da/0xc70 [ 296.149443] (UMEH) [ 296.151770] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.155710] 177*16kB (UME) [ 296.157954] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.162418] 103*32kB (UMH) [ 296.165363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.169832] 15*64kB [ 296.172763] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 296.176967] (UMH) [ 296.179286] ? trace_hardirqs_on+0xbd/0x310 [ 296.183852] 0*128kB [ 296.185995] ? kasan_check_read+0x11/0x20 [ 296.190291] 1*256kB [ 296.192611] ? __run_timers+0x7da/0xc70 [ 296.196731] (H) [ 296.199053] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.203003] 0*512kB [ 296.204977] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.210401] 1*1024kB [ 296.212725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.216938] (H) [ 296.219345] __run_timers+0x7e5/0xc70 [ 296.223546] 0*2048kB 0*4096kB [ 296.225534] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 296.229316] = 13976kB [ 296.232675] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.238021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 296.240434] ? graph_lock+0x170/0x170 [ 296.245433] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 296.245442] 1241 total pagecache pages [ 296.254273] ? enqueue_hrtimer+0x1a5/0x560 [ 296.258058] 0 pages in swap cache [ 296.266621] ? lock_release+0x970/0x970 [ 296.270492] Swap cache stats: add 0, delete 0, find 0/0 [ 296.274716] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.278147] Free swap = 0kB [ 296.282120] ? find_held_lock+0x36/0x1c0 [ 296.287463] Total swap = 0kB [ 296.292646] ? graph_lock+0x170/0x170 [ 296.295644] 1965979 pages RAM [ 296.299699] ? pvclock_read_flags+0x160/0x160 [ 296.302695] 0 pages HighMem/MovableOnly [ 296.306488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.309572] 342306 pages reserved [ 296.314061] ? check_preemption_disabled+0x48/0x280 [ 296.318001] 0 pages cma reserved [ 296.318083] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.323552] ? __lock_is_held+0xb5/0x140 [ 296.327075] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.331990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.335331] ksoftirqd/1 cpuset= [ 296.341823] ? check_preemption_disabled+0x48/0x280 [ 296.345855] / [ 296.356173] run_timer_softirq+0x52/0xb0 [ 296.361684] mems_allowed=0 [ 296.364958] ? rcu_read_lock_sched_held+0x108/0x120 [ 296.383629] __do_softirq+0x30c/0xb03 [ 296.387456] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 296.392570] ? pvclock_read_flags+0x160/0x160 [ 296.397069] ? lapic_next_event+0x5a/0x90 [ 296.401219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.406766] ? check_preemption_disabled+0x48/0x280 [ 296.411786] ? check_preemption_disabled+0x48/0x280 [ 296.416813] ? kvm_clock_read+0x18/0x30 [ 296.420795] ? kvm_sched_clock_read+0x9/0x20 [ 296.425210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.430761] ? check_preemption_disabled+0x48/0x280 [ 296.435796] irq_exit+0x17f/0x1c0 [ 296.439254] smp_apic_timer_interrupt+0x1cb/0x760 [ 296.444096] ? smp_reschedule_interrupt+0x109/0x650 [ 296.449118] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.455009] ? interrupt_entry+0xb5/0xf0 [ 296.459077] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.464098] ? trace_hardirqs_off_caller+0xbb/0x310 [ 296.469119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.473966] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.478986] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.484006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.489551] ? check_preemption_disabled+0x48/0x280 [ 296.494569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.500115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.504971] apic_timer_interrupt+0xf/0x20 [ 296.509205] [ 296.511458] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 296.516390] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 296.535323] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 296.543039] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 296.550312] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 296.557588] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 296.564857] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 296.572129] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 296.579455] skb_clone+0x1bb/0x500 [ 296.583003] ? skb_split+0x11e0/0x11e0 [ 296.586897] ? check_preemption_disabled+0x48/0x280 [ 296.591932] ? __this_cpu_preempt_check+0x1c/0x20 [ 296.596783] ? __bpf_redirect+0x54b/0xb20 [ 296.600943] bpf_clone_redirect+0xb9/0x490 [ 296.605191] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 296.610214] ? __sched_text_start+0x8/0x8 [ 296.614382] ? find_held_lock+0x36/0x1c0 [ 296.618541] ? lock_acquire+0x1ed/0x520 [ 296.623006] ? bpf_test_run+0x3cb/0x780 [ 296.626986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.632529] ? check_preemption_disabled+0x48/0x280 [ 296.637560] ? kasan_check_read+0x11/0x20 [ 296.641718] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.647007] ? rcu_bh_qs+0xc0/0xc0 [ 296.650554] ? preempt_schedule+0x4d/0x60 [ 296.654709] ? ___preempt_schedule+0x16/0x18 [ 296.659134] ? bpf_test_run+0x25d/0x780 [ 296.663125] ? netlink_diag_dump+0x2a0/0x2a0 [ 296.667547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.673094] ? bpf_test_init.isra.10+0x70/0x100 [ 296.677776] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 296.682550] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 296.687406] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.692975] ? fput+0x130/0x1a0 [ 296.696263] ? __bpf_prog_get+0x9b/0x290 [ 296.700336] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 296.705189] ? bpf_prog_test_run+0x130/0x1a0 [ 296.709612] ? __x64_sys_bpf+0x3d8/0x520 [ 296.713688] ? bpf_prog_get+0x20/0x20 [ 296.717514] ? do_syscall_64+0x1b9/0x820 [ 296.721600] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 296.726993] ? syscall_return_slowpath+0x5e0/0x5e0 [ 296.731939] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.736965] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 296.741985] ? recalc_sigpending_tsk+0x180/0x180 [ 296.746756] ? kasan_check_write+0x14/0x20 [ 296.751002] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.755860] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 296.761264] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 296.761328] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.768204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.768209] Call Trace: [ 296.768231] dump_stack+0x1c4/0x2b6 [ 296.768255] ? dump_stack_print_info.cold.1+0x20/0x20 [ 296.768283] warn_alloc.cold.119+0xb7/0x1bd [ 296.774815] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.784126] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.786690] syz-executor0 cpuset= [ 296.790321] ? lock_downgrade+0x900/0x900 [ 296.795488] syz0 [ 296.799821] ? trace_hardirqs_off+0xb8/0x310 [ 296.810278] mems_allowed=0 [ 296.815124] ? trace_hardirqs_off+0xb8/0x310 [ 296.836377] __alloc_pages_slowpath+0x265e/0x2d70 [ 296.841264] ? warn_alloc+0x120/0x120 [ 296.845085] ? warn_alloc+0x120/0x120 [ 296.848900] ? print_usage_bug+0xc0/0xc0 [ 296.852972] ? warn_alloc+0x120/0x120 [ 296.856779] ? print_usage_bug+0xc0/0xc0 [ 296.860850] ? __lock_acquire+0x7ec/0x4ec0 [ 296.865094] ? __lock_acquire+0x7ec/0x4ec0 [ 296.869344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.874902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.880462] ? should_fail+0x22d/0xd01 [ 296.884366] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.889482] ? __lock_acquire+0x7ec/0x4ec0 [ 296.893741] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.898857] ? __lock_acquire+0x7ec/0x4ec0 [ 296.903098] ? should_fail+0x22d/0xd01 [ 296.907008] ? mark_held_locks+0x130/0x130 [ 296.911263] ? mark_held_locks+0x130/0x130 [ 296.915517] ? mark_held_locks+0xc7/0x130 [ 296.919671] ? print_usage_bug+0xc0/0xc0 [ 296.923739] ? graph_lock+0x170/0x170 [ 296.927551] ? print_usage_bug+0xc0/0xc0 [ 296.931625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.937176] ? check_preemption_disabled+0x48/0x280 [ 296.942202] ? check_preemption_disabled+0x48/0x280 [ 296.947245] ? __lock_is_held+0xb5/0x140 [ 296.951341] __alloc_pages_nodemask+0xa80/0xde0 [ 296.956033] ? graph_lock+0x170/0x170 [ 296.959847] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 296.964869] ? graph_lock+0x170/0x170 [ 296.968700] ? find_held_lock+0x36/0x1c0 [ 296.972795] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.977484] ? lock_downgrade+0x900/0x900 [ 296.981647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.987200] cache_grow_begin+0x91/0x8c0 [ 296.991277] ? do_raw_spin_unlock+0xa7/0x330 [ 296.995703] fallback_alloc+0x203/0x2e0 [ 296.999691] ____cache_alloc_node+0x1c7/0x1e0 [ 297.004202] kmem_cache_alloc_node+0xe3/0x730 [ 297.008711] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.012964] __alloc_skb+0x119/0x770 [ 297.016689] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.021980] ? skb_scrub_packet+0x490/0x490 [ 297.026310] ? lock_downgrade+0x900/0x900 [ 297.030473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.036015] ? refcount_sub_and_test_checked+0x203/0x310 [ 297.041478] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 297.046939] ? addrconf_rs_timer+0x690/0x690 [ 297.051372] ndisc_alloc_skb+0x144/0x340 [ 297.055453] ndisc_send_rs+0x331/0x6e0 [ 297.059358] addrconf_rs_timer+0x314/0x690 [ 297.063616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.067870] call_timer_fn+0x272/0x920 [ 297.071763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.076009] ? process_timeout+0x40/0x40 [ 297.080076] ? find_held_lock+0x36/0x1c0 [ 297.084156] ? __run_timers+0x7da/0xc70 [ 297.088141] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.092645] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.097145] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.101387] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 297.105983] ? trace_hardirqs_on+0xbd/0x310 [ 297.110310] ? kasan_check_read+0x11/0x20 [ 297.114468] ? __run_timers+0x7da/0xc70 [ 297.118451] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.123913] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.128156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.132394] __run_timers+0x7e5/0xc70 [ 297.136219] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 297.141609] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.146111] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.150615] ? lockdep_hardirqs_on+0x421/0x5c0 [ 297.155209] ? trace_hardirqs_on+0xbd/0x310 [ 297.159533] ? kasan_check_read+0x11/0x20 [ 297.163687] ? finish_task_switch+0x1f4/0x910 [ 297.168187] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.173642] ? compat_start_thread+0x80/0x80 [ 297.178062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.183627] ? _raw_spin_unlock_irq+0x60/0x80 [ 297.188149] ? pvclock_read_flags+0x160/0x160 [ 297.192669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.198229] ? check_preemption_disabled+0x48/0x280 [ 297.203293] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.208594] ? rcu_pm_notify+0xc0/0xc0 [ 297.212500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.218062] ? check_preemption_disabled+0x48/0x280 [ 297.223108] run_timer_softirq+0x52/0xb0 [ 297.227177] ? rcu_read_lock_sched_held+0x108/0x120 [ 297.232201] __do_softirq+0x30c/0xb03 [ 297.236025] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 297.241136] ? trace_hardirqs_off+0x310/0x310 [ 297.245638] ? trace_hardirqs_on+0x310/0x310 [ 297.250059] ? schedule+0x108/0x460 [ 297.253694] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.258475] ? trace_hardirqs_off+0xb8/0x310 [ 297.262892] ? smpboot_thread_fn+0x68b/0xa00 [ 297.267311] ? trace_hardirqs_on+0x310/0x310 [ 297.271728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.277288] ? check_preemption_disabled+0x48/0x280 [ 297.282313] ? takeover_tasklets+0xa90/0xa90 [ 297.286733] run_ksoftirqd+0x94/0x100 [ 297.290541] smpboot_thread_fn+0x68b/0xa00 [ 297.294789] ? sort_range+0x30/0x30 [ 297.298442] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 297.303563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.309122] ? __kthread_parkme+0xfb/0x1a0 [ 297.313379] kthread+0x35a/0x420 [ 297.316761] ? sort_range+0x30/0x30 [ 297.320397] ? kthread_bind+0x40/0x40 [ 297.324224] ret_from_fork+0x3a/0x50 [ 297.327965] warn_alloc_show_mem: 1 callbacks suppressed [ 297.327978] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 297.327979] Mem-Info: [ 297.328011] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 297.328011] active_file:11 inactive_file:12 isolated_file:0 [ 297.328011] unevictable:0 dirty:0 writeback:0 unstable:0 [ 297.328011] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 297.328011] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 297.328011] free:13647 free_pcp:360 free_cma:0 [ 297.333347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.333356] Call Trace: [ 297.340731] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 297.343132] [ 297.376188] Node 0 [ 297.385559] dump_stack+0x1c4/0x2b6 [ 297.388142] 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 [ 297.415801] ? dump_stack_print_info.cold.1+0x20/0x20 [ 297.417919] lowmem_reserve[]: 0 [ 297.420174] warn_alloc.cold.119+0xb7/0x1bd [ 297.423777] 2819 [ 297.449282] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.454450] 6323 6323 [ 297.457735] ? lock_downgrade+0x900/0x900 [ 297.464092] ? trace_hardirqs_off+0xb8/0x310 [ 297.468906] Node 0 [ 297.471404] ? trace_hardirqs_off+0xb8/0x310 [ 297.475552] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 297.479936] __alloc_pages_slowpath+0x265e/0x2d70 [ 297.482146] lowmem_reserve[]: [ 297.486575] ? warn_alloc+0x120/0x120 [ 297.513260] 0 [ 297.518114] ? warn_alloc+0x120/0x120 [ 297.521181] 0 [ 297.524978] ? print_usage_bug+0xc0/0xc0 [ 297.526762] 3503 [ 297.530563] ? warn_alloc+0x120/0x120 [ 297.532345] 3503 [ 297.536401] ? print_usage_bug+0xc0/0xc0 [ 297.542249] ? __lock_acquire+0x7ec/0x4ec0 [ 297.544298] Node 0 [ 297.548351] ? __lock_acquire+0x7ec/0x4ec0 [ 297.552590] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 297.554798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.559005] lowmem_reserve[]: [ 297.587472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.592981] 0 0 [ 297.596092] ? should_fail+0x22d/0xd01 [ 297.601601] 0 [ 297.603576] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.607443] 0 [ 297.609244] ? __lock_acquire+0x7ec/0x4ec0 [ 297.616128] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.620342] Node 0 [ 297.625444] ? __lock_acquire+0x7ec/0x4ec0 [ 297.625455] DMA: [ 297.627685] ? should_fail+0x22d/0xd01 [ 297.631896] 1*4kB [ 297.633959] ? mark_held_locks+0x130/0x130 [ 297.637822] (U) [ 297.639970] ? mark_held_locks+0x130/0x130 [ 297.644182] 0*8kB [ 297.646157] ? graph_lock+0x170/0x170 [ 297.650366] 0*16kB [ 297.652514] ? print_usage_bug+0xc0/0xc0 [ 297.656290] 1*32kB [ 297.658518] ? graph_lock+0x170/0x170 [ 297.662556] (U) [ 297.664790] ? print_usage_bug+0xc0/0xc0 [ 297.668567] 2*64kB (U) [ 297.670562] ? wq_watchdog_touch+0x9c/0xfe [ 297.674599] 1*128kB [ 297.677182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.681386] (U) [ 297.683711] ? check_preemption_disabled+0x48/0x280 [ 297.689220] 1*256kB [ 297.691195] ? check_preemption_disabled+0x48/0x280 [ 297.696190] (U) [ 297.698517] ? __lock_is_held+0xb5/0x140 [ 297.703506] 0*512kB [ 297.705480] __alloc_pages_nodemask+0xa80/0xde0 [ 297.709515] 1*1024kB [ 297.711833] ? graph_lock+0x170/0x170 [ 297.716478] (U) [ 297.718883] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 297.722667] 1*2048kB (M) [ 297.724652] ? graph_lock+0x170/0x170 [ 297.729645] 3*4096kB [ 297.732402] ? find_held_lock+0x36/0x1c0 [ 297.736170] (M) [ 297.738583] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.742614] = 15908kB [ 297.744587] ? lock_downgrade+0x900/0x900 [ 297.749236] Node 0 [ 297.751646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.756224] DMA32: [ 297.758468] cache_grow_begin+0x91/0x8c0 [ 297.763982] 4*4kB [ 297.766217] ? do_raw_spin_unlock+0xa7/0x330 [ 297.770258] (UM) [ 297.772403] fallback_alloc+0x203/0x2e0 [ 297.776786] 2*8kB [ 297.778850] ____cache_alloc_node+0x1c7/0x1e0 [ 297.782800] (UM) [ 297.784952] kmem_cache_alloc_node+0xe3/0x730 [ 297.789432] 2*16kB [ 297.791492] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.795956] (M) 3*32kB [ 297.798202] __alloc_skb+0x119/0x770 [ 297.802432] (UM) [ 297.805016] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.808704] 4*64kB [ 297.810769] ? skb_scrub_packet+0x490/0x490 [ 297.816017] (M) [ 297.818251] ? lock_downgrade+0x900/0x900 [ 297.822562] 4*128kB (UM) [ 297.824547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.828667] 3*256kB [ 297.831420] ? refcount_sub_and_test_checked+0x203/0x310 [ 297.836940] (M) [ 297.839261] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 297.844694] 3*512kB [ 297.846665] ? addrconf_rs_timer+0x690/0x690 [ 297.852082] (M) 3*1024kB [ 297.854435] ndisc_alloc_skb+0x144/0x340 [ 297.858814] (UM) [ 297.861586] ndisc_send_rs+0x331/0x6e0 [ 297.865630] 3*2048kB [ 297.867686] addrconf_rs_timer+0x314/0x690 [ 297.871550] (M) [ 297.874005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.878215] 3*4096kB (M) [ 297.880225] call_timer_fn+0x272/0x920 [ 297.884437] = 24736kB [ 297.887188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.891060] Node 0 [ 297.893468] ? process_timeout+0x40/0x40 [ 297.897679] Normal: [ 297.899912] ? find_held_lock+0x36/0x1c0 [ 297.903949] 592*4kB [ 297.906273] ? __run_timers+0x7da/0xc70 [ 297.910303] (UMEH) 405*8kB [ 297.912636] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.916582] (UMEH) [ 297.919510] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.923985] 177*16kB [ 297.926212] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.930682] (UME) [ 297.933086] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 297.937295] 103*32kB (UMH) [ 297.939453] ? trace_hardirqs_on+0xbd/0x310 [ 297.944010] 15*64kB [ 297.946939] ? kasan_check_read+0x11/0x20 [ 297.951231] (UMH) [ 297.953550] ? __run_timers+0x7da/0xc70 [ 297.957674] 0*128kB [ 297.959820] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.963769] 1*256kB [ 297.966087] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.971511] (H) [ 297.973831] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.978038] 0*512kB 1*1024kB [ 297.980022] __run_timers+0x7e5/0xc70 [ 297.984229] (H) [ 297.987336] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 297.991106] 0*2048kB [ 297.993079] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 297.999897] 0*4096kB [ 298.002300] ? graph_lock+0x170/0x170 [ 298.007290] = 13976kB [ 298.007304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 298.009706] ? enqueue_hrtimer+0x1a5/0x560 [ 298.013491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 298.015890] ? lock_release+0x970/0x970 [ 298.024705] 1241 total pagecache pages [ 298.028935] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.037495] 0 pages in swap cache [ 298.041469] ? find_held_lock+0x36/0x1c0 [ 298.045336] Swap cache stats: add 0, delete 0, find 0/0 [ 298.050528] ? graph_lock+0x170/0x170 [ 298.053958] Free swap = 0kB [ 298.053967] Total swap = 0kB [ 298.058031] ? pvclock_read_flags+0x160/0x160 [ 298.063382] 1965979 pages RAM [ 298.067186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.070176] 0 pages HighMem/MovableOnly [ 298.070185] 342306 pages reserved [ 298.073213] ? check_preemption_disabled+0x48/0x280 [ 298.077683] 0 pages cma reserved [ 298.077768] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.080814] ? __lock_is_held+0xb5/0x140 [ 298.086893] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.090310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.093740] ksoftirqd/1 cpuset= [ 298.098767] ? check_preemption_disabled+0x48/0x280 [ 298.102099] / [ 298.108591] run_timer_softirq+0x52/0xb0 [ 298.112628] mems_allowed=0 [ 298.122934] ? rcu_read_lock_sched_held+0x108/0x120 [ 298.150403] __do_softirq+0x30c/0xb03 [ 298.154227] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.159337] ? pvclock_read_flags+0x160/0x160 [ 298.163834] ? lapic_next_event+0x5a/0x90 [ 298.167989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.173532] ? check_preemption_disabled+0x48/0x280 [ 298.178548] ? check_preemption_disabled+0x48/0x280 [ 298.183576] ? kvm_clock_read+0x18/0x30 [ 298.187554] ? kvm_sched_clock_read+0x9/0x20 [ 298.191972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.197513] ? check_preemption_disabled+0x48/0x280 [ 298.202547] irq_exit+0x17f/0x1c0 [ 298.206004] smp_apic_timer_interrupt+0x1cb/0x760 [ 298.210850] ? smp_reschedule_interrupt+0x109/0x650 [ 298.215874] ? smp_call_function_single_interrupt+0x650/0x650 [ 298.221773] ? interrupt_entry+0xb5/0xf0 [ 298.225840] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.230861] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.235883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.240729] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.245758] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.250787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.256331] ? check_preemption_disabled+0x48/0x280 [ 298.261352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.266904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.271765] apic_timer_interrupt+0xf/0x20 [ 298.275994] [ 298.278240] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 298.283181] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 298.302079] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 298.309796] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 298.317067] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 298.324339] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 298.331611] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 298.338916] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 298.346233] skb_clone+0x1bb/0x500 [ 298.349782] ? skb_split+0x11e0/0x11e0 [ 298.353674] ? check_preemption_disabled+0x48/0x280 [ 298.358699] ? __this_cpu_preempt_check+0x1c/0x20 [ 298.363544] ? __bpf_redirect+0x54b/0xb20 [ 298.367707] bpf_clone_redirect+0xb9/0x490 [ 298.371956] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 298.377001] ? __sched_text_start+0x8/0x8 [ 298.381170] ? find_held_lock+0x36/0x1c0 [ 298.386200] ? lock_acquire+0x1ed/0x520 [ 298.390177] ? bpf_test_run+0x3cb/0x780 [ 298.394154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.399694] ? check_preemption_disabled+0x48/0x280 [ 298.404726] ? kasan_check_read+0x11/0x20 [ 298.408885] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.414178] ? rcu_bh_qs+0xc0/0xc0 [ 298.417723] ? preempt_schedule+0x4d/0x60 [ 298.421885] ? ___preempt_schedule+0x16/0x18 [ 298.426303] ? bpf_test_run+0x25d/0x780 [ 298.430290] ? netlink_diag_dump+0x2a0/0x2a0 [ 298.434710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.440250] ? bpf_test_init.isra.10+0x70/0x100 [ 298.444926] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 298.449693] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 298.454540] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 298.460082] ? fput+0x130/0x1a0 [ 298.463365] ? __bpf_prog_get+0x9b/0x290 [ 298.467438] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 298.472281] ? bpf_prog_test_run+0x130/0x1a0 [ 298.476695] ? __x64_sys_bpf+0x3d8/0x520 [ 298.480774] ? bpf_prog_get+0x20/0x20 [ 298.484596] ? do_syscall_64+0x1b9/0x820 [ 298.488663] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 298.494035] ? syscall_return_slowpath+0x5e0/0x5e0 [ 298.498968] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.503986] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 298.509002] ? recalc_sigpending_tsk+0x180/0x180 [ 298.513810] ? kasan_check_write+0x14/0x20 [ 298.518057] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.522911] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 298.528294] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 298.528364] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.535224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.535233] Call Trace: [ 298.541816] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.551073] dump_stack+0x1c4/0x2b6 [ 298.553630] syz-executor0 cpuset= [ 298.564111] ? dump_stack_print_info.cold.1+0x20/0x20 [ 298.567713] syz0 [ 298.571170] warn_alloc.cold.119+0xb7/0x1bd [ 298.576329] mems_allowed=0 [ 298.578303] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.590376] ? lock_downgrade+0x900/0x900 [ 298.594541] ? trace_hardirqs_off+0xb8/0x310 [ 298.598960] ? trace_hardirqs_off+0xb8/0x310 [ 298.603385] __alloc_pages_slowpath+0x265e/0x2d70 [ 298.608267] ? warn_alloc+0x120/0x120 [ 298.612079] ? warn_alloc+0x120/0x120 [ 298.615889] ? print_usage_bug+0xc0/0xc0 [ 298.619960] ? warn_alloc+0x120/0x120 [ 298.623999] ? print_usage_bug+0xc0/0xc0 [ 298.628077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.633616] ? should_fail+0x22d/0xd01 [ 298.637506] ? __lock_acquire+0x7ec/0x4ec0 [ 298.641752] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.646861] ? __lock_acquire+0x7ec/0x4ec0 [ 298.651103] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.656207] ? __lock_acquire+0x7ec/0x4ec0 [ 298.660450] ? should_fail+0x22d/0xd01 [ 298.664352] ? mark_held_locks+0x130/0x130 [ 298.668594] ? mark_held_locks+0x130/0x130 [ 298.672838] ? graph_lock+0x170/0x170 [ 298.676640] ? print_usage_bug+0xc0/0xc0 [ 298.680705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.686251] ? check_preemption_disabled+0x48/0x280 [ 298.691280] ? check_preemption_disabled+0x48/0x280 [ 298.696315] ? __lock_is_held+0xb5/0x140 [ 298.700392] __alloc_pages_nodemask+0xa80/0xde0 [ 298.705075] ? graph_lock+0x170/0x170 [ 298.708891] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 298.713914] ? graph_lock+0x170/0x170 [ 298.717733] ? find_held_lock+0x36/0x1c0 [ 298.721822] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.726503] ? lock_downgrade+0x900/0x900 [ 298.730664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.736214] cache_grow_begin+0x91/0x8c0 [ 298.740286] ? do_raw_spin_unlock+0xa7/0x330 [ 298.744706] fallback_alloc+0x203/0x2e0 [ 298.748694] ____cache_alloc_node+0x1c7/0x1e0 [ 298.753206] kmem_cache_alloc_node+0xe3/0x730 [ 298.757706] ? ipv6_get_ifaddr+0x42e/0x620 [ 298.761955] __alloc_skb+0x119/0x770 [ 298.765678] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.770960] ? skb_scrub_packet+0x490/0x490 [ 298.775289] ? lock_downgrade+0x900/0x900 [ 298.779455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.785001] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.790466] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.795923] ? addrconf_rs_timer+0x690/0x690 [ 298.800349] ndisc_alloc_skb+0x144/0x340 [ 298.804430] ndisc_send_rs+0x331/0x6e0 [ 298.808332] addrconf_rs_timer+0x314/0x690 [ 298.812575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.816830] call_timer_fn+0x272/0x920 [ 298.820718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.824957] ? process_timeout+0x40/0x40 [ 298.829023] ? find_held_lock+0x36/0x1c0 [ 298.833115] ? __run_timers+0x7da/0xc70 [ 298.837102] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.841603] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.846099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.850336] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 298.854922] ? trace_hardirqs_on+0xbd/0x310 [ 298.859248] ? kasan_check_read+0x11/0x20 [ 298.863405] ? __run_timers+0x7da/0xc70 [ 298.867391] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.872863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.877110] __run_timers+0x7e5/0xc70 [ 298.880927] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 298.886297] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.890797] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.895300] ? lockdep_hardirqs_on+0x421/0x5c0 [ 298.899890] ? trace_hardirqs_on+0xbd/0x310 [ 298.904215] ? kasan_check_read+0x11/0x20 [ 298.908366] ? finish_task_switch+0x1f4/0x910 [ 298.912866] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.918322] ? compat_start_thread+0x80/0x80 [ 298.922739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.928291] ? _raw_spin_unlock_irq+0x60/0x80 [ 298.932801] ? pvclock_read_flags+0x160/0x160 [ 298.937302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.942849] ? check_preemption_disabled+0x48/0x280 [ 298.948489] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.953776] ? rcu_pm_notify+0xc0/0xc0 [ 298.957670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.963211] ? check_preemption_disabled+0x48/0x280 [ 298.968250] run_timer_softirq+0x52/0xb0 [ 298.972318] ? rcu_read_lock_sched_held+0x108/0x120 [ 298.977339] __do_softirq+0x30c/0xb03 [ 298.981156] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.986265] ? trace_hardirqs_off+0x310/0x310 [ 298.990767] ? trace_hardirqs_on+0x310/0x310 [ 298.995186] ? schedule+0x108/0x460 [ 298.998818] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.003590] ? trace_hardirqs_off+0xb8/0x310 [ 299.008003] ? smpboot_thread_fn+0x68b/0xa00 [ 299.012412] ? trace_hardirqs_on+0x310/0x310 [ 299.016831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.022374] ? check_preemption_disabled+0x48/0x280 [ 299.027399] ? takeover_tasklets+0xa90/0xa90 [ 299.031821] run_ksoftirqd+0x94/0x100 [ 299.035627] smpboot_thread_fn+0x68b/0xa00 [ 299.039866] ? sort_range+0x30/0x30 [ 299.043500] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 299.048606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.054143] ? __kthread_parkme+0xfb/0x1a0 [ 299.058385] kthread+0x35a/0x420 [ 299.061754] ? sort_range+0x30/0x30 [ 299.065388] ? kthread_bind+0x40/0x40 [ 299.069206] ret_from_fork+0x3a/0x50 [ 299.072938] warn_alloc_show_mem: 1 callbacks suppressed [ 299.072951] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 299.072953] Mem-Info: [ 299.072984] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 299.072984] active_file:11 inactive_file:12 isolated_file:0 [ 299.072984] unevictable:0 dirty:0 writeback:0 unstable:0 [ 299.072984] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 299.072984] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 299.072984] free:13647 free_pcp:360 free_cma:0 [ 299.078323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.085692] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 299.088094] Call Trace: [ 299.121138] Node 0 [ 299.130481] [ 299.158163] 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 [ 299.160726] dump_stack+0x1c4/0x2b6 [ 299.162927] lowmem_reserve[]: 0 [ 299.165084] ? dump_stack_print_info.cold.1+0x20/0x20 [ 299.190554] 2819 6323 [ 299.194193] warn_alloc.cold.119+0xb7/0x1bd [ 299.197445] 6323 [ 299.202632] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 299.209422] ? lock_downgrade+0x900/0x900 [ 299.211466] Node 0 [ 299.216304] ? trace_hardirqs_off+0xb8/0x310 [ 299.220454] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 299.222663] ? trace_hardirqs_off+0xb8/0x310 [ 299.227044] lowmem_reserve[]: [ 299.253771] __alloc_pages_slowpath+0x265e/0x2d70 [ 299.258143] 0 [ 299.261265] ? warn_alloc+0x120/0x120 [ 299.266073] 0 [ 299.267872] ? trace_hardirqs_on+0x310/0x310 [ 299.271651] 3503 [ 299.273452] ? warn_alloc+0x120/0x120 [ 299.277841] 3503 [ 299.279899] ? print_usage_bug+0xc0/0xc0 [ 299.285736] ? warn_alloc+0x120/0x120 [ 299.289777] Node 0 [ 299.293568] ? ktime_get+0x2e1/0x440 [ 299.293604] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 299.295810] ? print_usage_bug+0xc0/0xc0 [ 299.299497] lowmem_reserve[]: 0 [ 299.327963] ? __lock_acquire+0x7ec/0x4ec0 [ 299.331999] 0 [ 299.335276] ? __lock_acquire+0x7ec/0x4ec0 [ 299.339486] 0 [ 299.341289] ? kasan_check_read+0x11/0x20 [ 299.345498] 0 [ 299.347298] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.351417] Node 0 [ 299.353221] ? should_fail+0x22d/0xd01 [ 299.358731] DMA: [ 299.360966] ? rcu_bh_qs+0xc0/0xc0 [ 299.364830] 1*4kB [ 299.366893] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.370409] (U) [ 299.372565] ? __lock_acquire+0x7ec/0x4ec0 [ 299.377636] 0*8kB 0*16kB [ 299.379619] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.383832] 1*32kB [ 299.386582] ? __lock_acquire+0x7ec/0x4ec0 [ 299.391665] (U) [ 299.393892] ? should_fail+0x22d/0xd01 [ 299.393910] ? rcu_idle_enter+0x4b0/0x4b0 [ 299.398125] 2*64kB [ 299.400102] ? mark_held_locks+0x130/0x130 [ 299.403963] (U) [ 299.408108] ? mark_held_locks+0x130/0x130 [ 299.410324] 1*128kB [ 299.414554] ? mark_held_locks+0xc7/0x130 [ 299.416506] (U) [ 299.420737] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 299.423037] 1*256kB [ 299.427181] ? graph_lock+0x170/0x170 [ 299.429134] (U) [ 299.434143] ? print_usage_bug+0xc0/0xc0 [ 299.436453] 0*512kB [ 299.440248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.442205] 1*1024kB [ 299.446262] ? check_preemption_disabled+0x48/0x280 [ 299.448568] (U) [ 299.454111] ? check_preemption_disabled+0x48/0x280 [ 299.456494] 1*2048kB (M) [ 299.461526] ? __lock_is_held+0xb5/0x140 [ 299.463475] 3*4096kB [ 299.468489] __alloc_pages_nodemask+0xa80/0xde0 [ 299.471219] (M) [ 299.475275] ? graph_lock+0x170/0x170 [ 299.477677] = 15908kB [ 299.477685] Node 0 [ 299.482353] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 299.484307] DMA32: [ 299.488100] ? graph_lock+0x170/0x170 [ 299.490490] 4*4kB [ 299.492725] ? find_held_lock+0x36/0x1c0 [ 299.497710] (UM) [ 299.499952] ? ____cache_alloc_node+0x1c7/0x1e0 [ 299.503722] 2*8kB [ 299.505868] ? lock_downgrade+0x900/0x900 [ 299.509902] (UM) [ 299.511968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.516611] 2*16kB [ 299.518810] cache_grow_begin+0x91/0x8c0 [ 299.522936] (M) [ 299.525001] ? do_raw_spin_unlock+0xa7/0x330 [ 299.530508] 3*32kB (UM) [ 299.532751] fallback_alloc+0x203/0x2e0 [ 299.536789] 4*64kB [ 299.538766] ____cache_alloc_node+0x1c7/0x1e0 [ 299.543141] (M) [ 299.545807] kmem_cache_alloc_node+0xe3/0x730 [ 299.549751] 4*128kB (UM) [ 299.551997] ? ipv6_get_ifaddr+0x42e/0x620 [ 299.556472] 3*256kB [ 299.558453] __alloc_skb+0x119/0x770 [ 299.562917] (M) [ 299.565671] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.569877] 3*512kB [ 299.572197] ? skb_scrub_packet+0x490/0x490 [ 299.575879] (M) 3*1024kB [ 299.577863] ? lock_downgrade+0x900/0x900 [ 299.583117] (UM) [ 299.585450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.589744] 3*2048kB [ 299.592500] ? refcount_sub_and_test_checked+0x203/0x310 [ 299.596618] (M) [ 299.598674] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 299.604185] 3*4096kB [ 299.606590] ? addrconf_rs_timer+0x690/0x690 [ 299.612015] (M) [ 299.613997] ndisc_alloc_skb+0x144/0x340 [ 299.619416] = 24736kB [ 299.621834] ndisc_send_rs+0x331/0x6e0 [ 299.626212] Node 0 Normal: [ 299.628195] addrconf_rs_timer+0x314/0x690 [ 299.632234] 592*4kB [ 299.634639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.638495] (UMEH) 405*8kB [ 299.641450] call_timer_fn+0x272/0x920 [ 299.645648] (UMEH) [ 299.647967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.652172] 177*16kB (UME) [ 299.655112] ? process_timeout+0x40/0x40 [ 299.658967] 103*32kB (UMH) [ 299.661210] ? find_held_lock+0x36/0x1c0 [ 299.665419] 15*64kB [ 299.668360] ? __run_timers+0x7da/0xc70 [ 299.672388] (UMH) [ 299.675316] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.679349] 0*128kB [ 299.681665] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.685614] 1*256kB [ 299.687761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.692226] (H) [ 299.694543] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 299.699014] 0*512kB [ 299.701334] ? trace_hardirqs_on+0xbd/0x310 [ 299.705542] 1*1024kB [ 299.707519] ? kasan_check_read+0x11/0x20 [ 299.712075] (H) [ 299.714399] ? __run_timers+0x7da/0xc70 [ 299.718695] 0*2048kB 0*4096kB [ 299.721118] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.725236] = 13976kB [ 299.725249] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 299.727225] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.731180] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 299.734367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.739791] 1241 total pagecache pages [ 299.742203] __run_timers+0x7e5/0xc70 [ 299.751016] 0 pages in swap cache [ 299.755471] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 299.764015] Swap cache stats: add 0, delete 0, find 0/0 [ 299.764024] Free swap = 0kB [ 299.768255] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.772123] Total swap = 0kB [ 299.775917] ? graph_lock+0x170/0x170 [ 299.779345] 1965979 pages RAM [ 299.784703] ? enqueue_hrtimer+0x1a5/0x560 [ 299.790044] 0 pages HighMem/MovableOnly [ 299.793056] ? lock_release+0x970/0x970 [ 299.798047] 342306 pages reserved [ 299.798055] 0 pages cma reserved [ 299.801073] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 299.804952] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 299.807966] ? find_held_lock+0x36/0x1c0 [ 299.807984] ? graph_lock+0x170/0x170 [ 299.808000] ? pvclock_read_flags+0x160/0x160 [ 299.812278] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 299.816189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.820141] ksoftirqd/1 cpuset= [ 299.823594] ? check_preemption_disabled+0x48/0x280 [ 299.826935] / [ 299.832127] ? __lock_is_held+0xb5/0x140 [ 299.838593] mems_allowed=0 [ 299.842650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.889235] ? check_preemption_disabled+0x48/0x280 [ 299.894265] run_timer_softirq+0x52/0xb0 [ 299.898330] ? rcu_read_lock_sched_held+0x108/0x120 [ 299.903354] __do_softirq+0x30c/0xb03 [ 299.907170] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 299.912285] ? pvclock_read_flags+0x160/0x160 [ 299.916789] ? lapic_next_event+0x5a/0x90 [ 299.920938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.926482] ? check_preemption_disabled+0x48/0x280 [ 299.931500] ? check_preemption_disabled+0x48/0x280 [ 299.936522] ? kvm_clock_read+0x18/0x30 [ 299.940497] ? kvm_sched_clock_read+0x9/0x20 [ 299.944913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.950466] ? check_preemption_disabled+0x48/0x280 [ 299.955496] irq_exit+0x17f/0x1c0 [ 299.958961] smp_apic_timer_interrupt+0x1cb/0x760 [ 299.963807] ? smp_reschedule_interrupt+0x109/0x650 [ 299.968827] ? smp_call_function_single_interrupt+0x650/0x650 [ 299.974717] ? interrupt_entry+0xb5/0xf0 [ 299.978789] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.983810] ? trace_hardirqs_off_caller+0xbb/0x310 [ 299.988833] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.993676] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.998697] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.003717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.009261] ? check_preemption_disabled+0x48/0x280 [ 300.014281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.019848] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.024701] apic_timer_interrupt+0xf/0x20 [ 300.028930] [ 300.031174] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 300.036107] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 300.055013] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 300.062728] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 300.070004] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 300.077273] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 300.084548] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 300.091835] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 300.099157] skb_clone+0x1bb/0x500 [ 300.102702] ? skb_split+0x11e0/0x11e0 [ 300.106596] ? check_preemption_disabled+0x48/0x280 [ 300.111623] ? __this_cpu_preempt_check+0x1c/0x20 [ 300.116477] ? __bpf_redirect+0x54b/0xb20 [ 300.120636] bpf_clone_redirect+0xb9/0x490 [ 300.124880] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 300.129907] ? __sched_text_start+0x8/0x8 [ 300.134075] ? find_held_lock+0x36/0x1c0 [ 300.138146] ? lock_acquire+0x1ed/0x520 [ 300.142127] ? bpf_test_run+0x3cb/0x780 [ 300.146105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.151651] ? check_preemption_disabled+0x48/0x280 [ 300.156682] ? kasan_check_read+0x11/0x20 [ 300.160839] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.166117] ? rcu_bh_qs+0xc0/0xc0 [ 300.169659] ? preempt_schedule+0x4d/0x60 [ 300.173812] ? ___preempt_schedule+0x16/0x18 [ 300.178236] ? bpf_test_run+0x25d/0x780 [ 300.182252] ? netlink_diag_dump+0x2a0/0x2a0 [ 300.186698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.192238] ? bpf_test_init.isra.10+0x70/0x100 [ 300.196914] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 300.201684] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 300.206527] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 300.212071] ? fput+0x130/0x1a0 [ 300.215361] ? __bpf_prog_get+0x9b/0x290 [ 300.219449] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 300.224296] ? bpf_prog_test_run+0x130/0x1a0 [ 300.228718] ? __x64_sys_bpf+0x3d8/0x520 [ 300.232786] ? bpf_prog_get+0x20/0x20 [ 300.236612] ? do_syscall_64+0x1b9/0x820 [ 300.241114] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 300.246495] ? syscall_return_slowpath+0x5e0/0x5e0 [ 300.251436] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.256468] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 300.261490] ? recalc_sigpending_tsk+0x180/0x180 [ 300.266249] ? kasan_check_write+0x14/0x20 [ 300.270494] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.275355] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 300.280737] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 300.280813] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 300.287665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.287671] Call Trace: [ 300.287691] dump_stack+0x1c4/0x2b6 [ 300.287713] ? dump_stack_print_info.cold.1+0x20/0x20 [ 300.294238] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 300.303543] warn_alloc.cold.119+0xb7/0x1bd [ 300.306097] syz-executor0 cpuset= [ 300.309720] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.314885] syz0 [ 300.325371] ? lock_downgrade+0x900/0x900 [ 300.329669] mems_allowed=0 [ 300.333123] ? trace_hardirqs_off+0xb8/0x310 [ 300.351367] ? trace_hardirqs_off+0xb8/0x310 [ 300.355791] __alloc_pages_slowpath+0x265e/0x2d70 [ 300.360678] ? warn_alloc+0x120/0x120 [ 300.364494] ? warn_alloc+0x120/0x120 [ 300.368302] ? print_usage_bug+0xc0/0xc0 [ 300.372375] ? warn_alloc+0x120/0x120 [ 300.376190] ? print_usage_bug+0xc0/0xc0 [ 300.380259] ? __lock_acquire+0x7ec/0x4ec0 [ 300.384501] ? __lock_acquire+0x7ec/0x4ec0 [ 300.388740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.394284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.399824] ? should_fail+0x22d/0xd01 [ 300.403719] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.408838] ? __lock_acquire+0x7ec/0x4ec0 [ 300.413080] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.418187] ? __lock_acquire+0x7ec/0x4ec0 [ 300.422460] ? should_fail+0x22d/0xd01 [ 300.426367] ? mark_held_locks+0x130/0x130 [ 300.430608] ? mark_held_locks+0x130/0x130 [ 300.434849] ? graph_lock+0x170/0x170 [ 300.438658] ? print_usage_bug+0xc0/0xc0 [ 300.442720] ? graph_lock+0x170/0x170 [ 300.446525] ? print_usage_bug+0xc0/0xc0 [ 300.450588] ? wq_watchdog_touch+0x9c/0xfe [ 300.454831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.460408] ? check_preemption_disabled+0x48/0x280 [ 300.465453] ? check_preemption_disabled+0x48/0x280 [ 300.470486] ? __lock_is_held+0xb5/0x140 [ 300.474563] __alloc_pages_nodemask+0xa80/0xde0 [ 300.479269] ? graph_lock+0x170/0x170 [ 300.483081] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 300.488100] ? graph_lock+0x170/0x170 [ 300.491916] ? find_held_lock+0x36/0x1c0 [ 300.495991] ? ____cache_alloc_node+0x1c7/0x1e0 [ 300.500662] ? lock_downgrade+0x900/0x900 [ 300.504821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.510368] cache_grow_begin+0x91/0x8c0 [ 300.514446] ? do_raw_spin_unlock+0xa7/0x330 [ 300.518871] fallback_alloc+0x203/0x2e0 [ 300.522859] ____cache_alloc_node+0x1c7/0x1e0 [ 300.527364] kmem_cache_alloc_node+0xe3/0x730 [ 300.531867] ? ipv6_get_ifaddr+0x42e/0x620 [ 300.536114] __alloc_skb+0x119/0x770 [ 300.539832] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.545123] ? skb_scrub_packet+0x490/0x490 [ 300.549460] ? lock_downgrade+0x900/0x900 [ 300.553631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.559175] ? refcount_sub_and_test_checked+0x203/0x310 [ 300.564633] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 300.570086] ? addrconf_rs_timer+0x690/0x690 [ 300.574513] ndisc_alloc_skb+0x144/0x340 [ 300.578584] ndisc_send_rs+0x331/0x6e0 [ 300.582480] addrconf_rs_timer+0x314/0x690 [ 300.586729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.590982] call_timer_fn+0x272/0x920 [ 300.594911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.599165] ? process_timeout+0x40/0x40 [ 300.603316] ? find_held_lock+0x36/0x1c0 [ 300.607390] ? __run_timers+0x7da/0xc70 [ 300.611387] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.615888] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.620388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.624884] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 300.629475] ? trace_hardirqs_on+0xbd/0x310 [ 300.633802] ? kasan_check_read+0x11/0x20 [ 300.637956] ? __run_timers+0x7da/0xc70 [ 300.641940] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.647402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.651655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.655899] __run_timers+0x7e5/0xc70 [ 300.659716] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 300.665085] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.669587] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.674087] ? lockdep_hardirqs_on+0x421/0x5c0 [ 300.678674] ? trace_hardirqs_on+0xbd/0x310 [ 300.682998] ? kasan_check_read+0x11/0x20 [ 300.687149] ? finish_task_switch+0x1f4/0x910 [ 300.691648] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.697106] ? compat_start_thread+0x80/0x80 [ 300.701522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.707072] ? _raw_spin_unlock_irq+0x60/0x80 [ 300.711577] ? pvclock_read_flags+0x160/0x160 [ 300.716077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.721620] ? check_preemption_disabled+0x48/0x280 [ 300.726652] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.731940] ? rcu_pm_notify+0xc0/0xc0 [ 300.735835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.741378] ? check_preemption_disabled+0x48/0x280 [ 300.746410] run_timer_softirq+0x52/0xb0 [ 300.750480] ? rcu_read_lock_sched_held+0x108/0x120 [ 300.755505] __do_softirq+0x30c/0xb03 [ 300.759328] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 300.764441] ? trace_hardirqs_off+0x310/0x310 [ 300.768943] ? trace_hardirqs_on+0x310/0x310 [ 300.773358] ? schedule+0x108/0x460 [ 300.776987] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 300.781756] ? trace_hardirqs_off+0xb8/0x310 [ 300.786170] ? smpboot_thread_fn+0x68b/0xa00 [ 300.790583] ? trace_hardirqs_on+0x310/0x310 [ 300.794995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.800541] ? check_preemption_disabled+0x48/0x280 [ 300.805568] ? takeover_tasklets+0xa90/0xa90 [ 300.809984] run_ksoftirqd+0x94/0x100 [ 300.813812] smpboot_thread_fn+0x68b/0xa00 [ 300.818057] ? sort_range+0x30/0x30 [ 300.821693] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.826800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.832342] ? __kthread_parkme+0xfb/0x1a0 [ 300.836587] kthread+0x35a/0x420 [ 300.839960] ? sort_range+0x30/0x30 [ 300.843589] ? kthread_bind+0x40/0x40 [ 300.847401] ret_from_fork+0x3a/0x50 [ 300.851170] warn_alloc_show_mem: 1 callbacks suppressed [ 300.851183] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 300.851185] Mem-Info: [ 300.851217] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 300.851217] active_file:11 inactive_file:12 isolated_file:0 [ 300.851217] unevictable:0 dirty:0 writeback:0 unstable:0 [ 300.851217] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 300.851217] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 300.851217] free:13647 free_pcp:360 free_cma:0 [ 300.856558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.863929] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 300.866340] Call Trace: [ 300.899391] Node 0 [ 300.908758] [ 300.936485] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 300.939051] dump_stack+0x1c4/0x2b6 [ 300.941260] lowmem_reserve[]: [ 300.943410] ? dump_stack_print_info.cold.1+0x20/0x20 [ 300.968904] 0 [ 300.972557] warn_alloc.cold.119+0xb7/0x1bd [ 300.975626] 2819 6323 [ 300.980829] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 300.982611] 6323 [ 300.986925] ? lock_downgrade+0x900/0x900 [ 300.989401] Node 0 [ 300.994252] ? trace_hardirqs_off+0xb8/0x310 [ 300.996317] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 301.000449] ? trace_hardirqs_off+0xb8/0x310 [ 301.002662] lowmem_reserve[]: [ 301.007074] __alloc_pages_slowpath+0x265e/0x2d70 [ 301.033790] 0 [ 301.038232] ? warn_alloc+0x120/0x120 [ 301.041282] 0 [ 301.046122] ? lock_release+0x970/0x970 [ 301.047897] 3503 3503 [ 301.051704] ? warn_alloc+0x120/0x120 [ 301.053485] Node 0 [ 301.057464] ? print_usage_bug+0xc0/0xc0 [ 301.059961] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 301.063730] ? warn_alloc+0x120/0x120 [ 301.065943] lowmem_reserve[]: [ 301.070000] ? print_usage_bug+0xc0/0xc0 [ 301.098448] 0 [ 301.102255] ? __lock_acquire+0x7ec/0x4ec0 [ 301.105330] 0 [ 301.109382] ? __lock_acquire+0x7ec/0x4ec0 [ 301.111168] 0 0 [ 301.115405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.117186] Node 0 [ 301.121415] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.123383] DMA: [ 301.128919] ? should_fail+0x22d/0xd01 [ 301.131132] 1*4kB [ 301.136663] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.138716] (U) [ 301.142627] ? __lock_acquire+0x7ec/0x4ec0 [ 301.144755] 0*8kB [ 301.149855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.151808] 0*16kB [ 301.156036] ? __lock_acquire+0x7ec/0x4ec0 [ 301.158159] 1*32kB (U) [ 301.163274] ? should_fail+0x22d/0xd01 [ 301.165492] 2*64kB [ 301.169730] ? mark_held_locks+0x130/0x130 [ 301.172286] (U) [ 301.176169] ? mark_held_locks+0x130/0x130 [ 301.178376] 1*128kB (U) [ 301.182614] ? graph_lock+0x170/0x170 [ 301.184564] 1*256kB (U) [ 301.188801] ? print_usage_bug+0xc0/0xc0 [ 301.191453] 0*512kB [ 301.195250] ? graph_lock+0x170/0x170 [ 301.197903] 1*1024kB [ 301.201959] ? print_usage_bug+0xc0/0xc0 [ 301.204260] (U) [ 301.208053] ? wq_watchdog_touch+0x9c/0xfe [ 301.210446] 1*2048kB [ 301.214502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.216455] (M) [ 301.220687] ? check_preemption_disabled+0x48/0x280 [ 301.223077] 3*4096kB [ 301.228606] ? check_preemption_disabled+0x48/0x280 [ 301.230556] (M) [ 301.235573] ? __lock_is_held+0xb5/0x140 [ 301.237951] = 15908kB [ 301.242962] __alloc_pages_nodemask+0xa80/0xde0 [ 301.244912] Node 0 [ 301.248966] ? graph_lock+0x170/0x170 [ 301.251349] DMA32: 4*4kB [ 301.256020] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 301.258231] (UM) [ 301.262023] ? graph_lock+0x170/0x170 [ 301.264767] 2*8kB [ 301.269786] ? find_held_lock+0x36/0x1c0 [ 301.271818] (UM) [ 301.275621] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.277736] 2*16kB (M) [ 301.281814] ? lock_downgrade+0x900/0x900 [ 301.283850] 3*32kB (UM) [ 301.288538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.291095] 4*64kB (M) [ 301.295258] cache_grow_begin+0x91/0x8c0 [ 301.297911] 4*128kB [ 301.303450] ? do_raw_spin_unlock+0xa7/0x330 [ 301.306004] (UM) 3*256kB [ 301.310076] fallback_alloc+0x203/0x2e0 [ 301.312368] (M) [ 301.316781] ____cache_alloc_node+0x1c7/0x1e0 [ 301.319507] 3*512kB [ 301.323474] kmem_cache_alloc_node+0xe3/0x730 [ 301.325433] (M) [ 301.329924] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.332225] 3*1024kB [ 301.336722] __alloc_skb+0x119/0x770 [ 301.338671] (UM) [ 301.342905] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.345289] 3*2048kB (M) [ 301.349007] ? skb_scrub_packet+0x490/0x490 [ 301.351045] 3*4096kB (M) [ 301.356322] ? lock_downgrade+0x900/0x900 [ 301.359054] = 24736kB [ 301.363389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.366119] Node 0 [ 301.370261] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.372645] Normal: 592*4kB [ 301.378184] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.380397] (UMEH) [ 301.385846] ? addrconf_rs_timer+0x690/0x690 [ 301.388834] 405*8kB (UMEH) [ 301.394307] ndisc_alloc_skb+0x144/0x340 [ 301.396512] 177*16kB (UME) [ 301.400943] ndisc_send_rs+0x331/0x6e0 [ 301.403849] 103*32kB (UMH) [ 301.407920] addrconf_rs_timer+0x314/0x690 [ 301.410828] 15*64kB [ 301.414711] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.417621] (UMH) [ 301.421862] call_timer_fn+0x272/0x920 [ 301.424157] 0*128kB [ 301.428382] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.430513] 1*256kB [ 301.434412] ? process_timeout+0x40/0x40 [ 301.436716] (H) [ 301.440942] ? find_held_lock+0x36/0x1c0 [ 301.443234] 0*512kB 1*1024kB [ 301.447316] ? __run_timers+0x7da/0xc70 [ 301.449266] (H) 0*2048kB [ 301.453333] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.456412] 0*4096kB [ 301.460390] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.463125] = 13976kB [ 301.467615] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.470015] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 301.474496] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 301.476887] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 301.481110] ? trace_hardirqs_on+0xbd/0x310 [ 301.489925] 1241 total pagecache pages [ 301.494500] ? kasan_check_read+0x11/0x20 [ 301.503052] 0 pages in swap cache [ 301.507363] ? __run_timers+0x7da/0xc70 [ 301.511233] Swap cache stats: add 0, delete 0, find 0/0 [ 301.515369] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.518803] Free swap = 0kB [ 301.522777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.528146] Total swap = 0kB [ 301.533621] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.536614] 1965979 pages RAM [ 301.540846] __run_timers+0x7e5/0xc70 [ 301.543839] 0 pages HighMem/MovableOnly [ 301.548074] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 301.551154] 342306 pages reserved [ 301.551177] 0 pages cma reserved [ 301.554974] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 301.558999] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.564280] ? graph_lock+0x170/0x170 [ 301.567806] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.571080] ? enqueue_hrtimer+0x1a5/0x560 [ 301.576077] ksoftirqd/1 cpuset= [ 301.582566] ? lock_release+0x970/0x970 [ 301.586340] / [ 301.596658] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 301.600872] mems_allowed=0 [ 301.604145] ? find_held_lock+0x36/0x1c0 [ 301.621975] ? graph_lock+0x170/0x170 [ 301.625781] ? pvclock_read_flags+0x160/0x160 [ 301.630282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.635826] ? check_preemption_disabled+0x48/0x280 [ 301.640862] ? __lock_is_held+0xb5/0x140 [ 301.644929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.650496] ? check_preemption_disabled+0x48/0x280 [ 301.655523] run_timer_softirq+0x52/0xb0 [ 301.659586] ? rcu_read_lock_sched_held+0x108/0x120 [ 301.664609] __do_softirq+0x30c/0xb03 [ 301.668423] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 301.673548] ? pvclock_read_flags+0x160/0x160 [ 301.678044] ? lapic_next_event+0x5a/0x90 [ 301.682197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.687737] ? check_preemption_disabled+0x48/0x280 [ 301.692764] ? check_preemption_disabled+0x48/0x280 [ 301.697795] ? kvm_clock_read+0x18/0x30 [ 301.701776] ? kvm_sched_clock_read+0x9/0x20 [ 301.706194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.711733] ? check_preemption_disabled+0x48/0x280 [ 301.716771] irq_exit+0x17f/0x1c0 [ 301.720231] smp_apic_timer_interrupt+0x1cb/0x760 [ 301.725078] ? smp_reschedule_interrupt+0x109/0x650 [ 301.730099] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.735990] ? interrupt_entry+0xb5/0xf0 [ 301.740060] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.745078] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.750098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.755119] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.760148] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.765165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.770706] ? check_preemption_disabled+0x48/0x280 [ 301.775723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.781272] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.786127] apic_timer_interrupt+0xf/0x20 [ 301.790358] [ 301.792600] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 301.797531] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 301.816439] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 301.824151] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 301.831420] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 301.839045] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 301.846314] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 301.853587] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 301.860925] skb_clone+0x1bb/0x500 [ 301.864473] ? skb_split+0x11e0/0x11e0 [ 301.868361] ? check_preemption_disabled+0x48/0x280 [ 301.873386] ? __this_cpu_preempt_check+0x1c/0x20 [ 301.878232] ? __bpf_redirect+0x54b/0xb20 [ 301.882392] bpf_clone_redirect+0xb9/0x490 [ 301.886642] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 301.891662] ? __sched_text_start+0x8/0x8 [ 301.895826] ? find_held_lock+0x36/0x1c0 [ 301.899900] ? lock_acquire+0x1ed/0x520 [ 301.903879] ? bpf_test_run+0x3cb/0x780 [ 301.907861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.913404] ? check_preemption_disabled+0x48/0x280 [ 301.918445] ? kasan_check_read+0x11/0x20 [ 301.922603] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.927886] ? rcu_bh_qs+0xc0/0xc0 [ 301.931440] ? preempt_schedule+0x4d/0x60 [ 301.935597] ? ___preempt_schedule+0x16/0x18 [ 301.940019] ? bpf_test_run+0x25d/0x780 [ 301.944011] ? netlink_diag_dump+0x2a0/0x2a0 [ 301.948422] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.953970] ? bpf_test_init.isra.10+0x70/0x100 [ 301.958646] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 301.963413] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 301.968265] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.973809] ? fput+0x130/0x1a0 [ 301.977091] ? __bpf_prog_get+0x9b/0x290 [ 301.981159] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 301.986006] ? bpf_prog_test_run+0x130/0x1a0 [ 301.990419] ? __x64_sys_bpf+0x3d8/0x520 [ 301.994498] ? bpf_prog_get+0x20/0x20 [ 301.998321] ? do_syscall_64+0x1b9/0x820 [ 302.002385] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 302.007763] ? syscall_return_slowpath+0x5e0/0x5e0 [ 302.012701] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.017732] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 302.022759] ? recalc_sigpending_tsk+0x180/0x180 [ 302.027522] ? kasan_check_write+0x14/0x20 [ 302.031775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.036630] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 302.042016] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 302.042086] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 302.048947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.048952] Call Trace: [ 302.048972] dump_stack+0x1c4/0x2b6 [ 302.048990] ? dump_stack_print_info.cold.1+0x20/0x20 [ 302.049024] warn_alloc.cold.119+0xb7/0x1bd [ 302.055552] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 302.064865] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 302.067434] syz-executor0 cpuset= [ 302.071059] ? lock_downgrade+0x900/0x900 [ 302.076227] syz0 [ 302.080550] ? trace_hardirqs_off+0xb8/0x310 [ 302.091010] mems_allowed=0 [ 302.095844] ? trace_hardirqs_off+0xb8/0x310 [ 302.117080] __alloc_pages_slowpath+0x265e/0x2d70 [ 302.121957] ? warn_alloc+0x120/0x120 [ 302.125776] ? warn_alloc+0x120/0x120 [ 302.129583] ? print_usage_bug+0xc0/0xc0 [ 302.133649] ? warn_alloc+0x120/0x120 [ 302.137460] ? print_usage_bug+0xc0/0xc0 [ 302.141531] ? __lock_acquire+0x7ec/0x4ec0 [ 302.145768] ? __lock_acquire+0x7ec/0x4ec0 [ 302.150006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.156152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.161694] ? should_fail+0x22d/0xd01 [ 302.165592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.170697] ? __lock_acquire+0x7ec/0x4ec0 [ 302.174941] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.180047] ? __lock_acquire+0x7ec/0x4ec0 [ 302.184288] ? should_fail+0x22d/0xd01 [ 302.188190] ? mark_held_locks+0x130/0x130 [ 302.192442] ? mark_held_locks+0x130/0x130 [ 302.196687] ? mark_held_locks+0xc7/0x130 [ 302.200837] ? print_usage_bug+0xc0/0xc0 [ 302.204904] ? graph_lock+0x170/0x170 [ 302.208708] ? print_usage_bug+0xc0/0xc0 [ 302.212772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.218317] ? check_preemption_disabled+0x48/0x280 [ 302.223333] ? check_preemption_disabled+0x48/0x280 [ 302.228361] ? __lock_is_held+0xb5/0x140 [ 302.232439] __alloc_pages_nodemask+0xa80/0xde0 [ 302.237113] ? graph_lock+0x170/0x170 [ 302.241093] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 302.246108] ? graph_lock+0x170/0x170 [ 302.249924] ? find_held_lock+0x36/0x1c0 [ 302.253996] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.258670] ? lock_downgrade+0x900/0x900 [ 302.262826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.268373] cache_grow_begin+0x91/0x8c0 [ 302.272450] ? do_raw_spin_unlock+0xa7/0x330 [ 302.276870] fallback_alloc+0x203/0x2e0 [ 302.280857] ____cache_alloc_node+0x1c7/0x1e0 [ 302.285362] kmem_cache_alloc_node+0xe3/0x730 [ 302.289865] ? ipv6_get_ifaddr+0x42e/0x620 [ 302.294124] __alloc_skb+0x119/0x770 [ 302.297848] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.303130] ? skb_scrub_packet+0x490/0x490 [ 302.307470] ? lock_downgrade+0x900/0x900 [ 302.311629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.317170] ? refcount_sub_and_test_checked+0x203/0x310 [ 302.322631] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 302.328082] ? addrconf_rs_timer+0x690/0x690 [ 302.332512] ndisc_alloc_skb+0x144/0x340 [ 302.336581] ndisc_send_rs+0x331/0x6e0 [ 302.340476] addrconf_rs_timer+0x314/0x690 [ 302.344719] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.348977] call_timer_fn+0x272/0x920 [ 302.352873] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.357121] ? process_timeout+0x40/0x40 [ 302.361186] ? find_held_lock+0x36/0x1c0 [ 302.365271] ? __run_timers+0x7da/0xc70 [ 302.369271] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.373775] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.378289] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.382540] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 302.387131] ? trace_hardirqs_on+0xbd/0x310 [ 302.391462] ? kasan_check_read+0x11/0x20 [ 302.395616] ? __run_timers+0x7da/0xc70 [ 302.399598] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.405056] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.409300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.413536] __run_timers+0x7e5/0xc70 [ 302.417357] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 302.422730] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.427233] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.431737] ? lockdep_hardirqs_on+0x421/0x5c0 [ 302.436324] ? trace_hardirqs_on+0xbd/0x310 [ 302.440651] ? kasan_check_read+0x11/0x20 [ 302.444807] ? finish_task_switch+0x1f4/0x910 [ 302.449306] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.454760] ? compat_start_thread+0x80/0x80 [ 302.459177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.464724] ? _raw_spin_unlock_irq+0x60/0x80 [ 302.469228] ? pvclock_read_flags+0x160/0x160 [ 302.473728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.479277] ? check_preemption_disabled+0x48/0x280 [ 302.484309] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 302.489589] ? rcu_pm_notify+0xc0/0xc0 [ 302.493497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.499040] ? check_preemption_disabled+0x48/0x280 [ 302.504071] run_timer_softirq+0x52/0xb0 [ 302.508136] ? rcu_read_lock_sched_held+0x108/0x120 [ 302.513155] __do_softirq+0x30c/0xb03 [ 302.516970] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 302.522074] ? trace_hardirqs_off+0x310/0x310 [ 302.526572] ? trace_hardirqs_on+0x310/0x310 [ 302.530989] ? schedule+0x108/0x460 [ 302.534621] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 302.539391] ? trace_hardirqs_off+0xb8/0x310 [ 302.543806] ? smpboot_thread_fn+0x68b/0xa00 [ 302.548223] ? trace_hardirqs_on+0x310/0x310 [ 302.552646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.558199] ? check_preemption_disabled+0x48/0x280 [ 302.563234] ? takeover_tasklets+0xa90/0xa90 [ 302.567665] run_ksoftirqd+0x94/0x100 [ 302.571472] smpboot_thread_fn+0x68b/0xa00 [ 302.575713] ? sort_range+0x30/0x30 [ 302.579348] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 302.584464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.590004] ? __kthread_parkme+0xfb/0x1a0 [ 302.594250] kthread+0x35a/0x420 [ 302.597623] ? sort_range+0x30/0x30 [ 302.601255] ? kthread_bind+0x40/0x40 [ 302.605067] ret_from_fork+0x3a/0x50 [ 302.608804] warn_alloc_show_mem: 1 callbacks suppressed [ 302.608817] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 302.608818] Mem-Info: [ 302.608849] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 302.608849] active_file:11 inactive_file:12 isolated_file:0 [ 302.608849] unevictable:0 dirty:0 writeback:0 unstable:0 [ 302.608849] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 302.608849] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 302.608849] free:13647 free_pcp:360 free_cma:0 [ 302.614188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.621553] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 302.624409] Call Trace: [ 302.657478] Node 0 [ 302.666837] [ 302.694530] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 302.697092] dump_stack+0x1c4/0x2b6 [ 302.699303] lowmem_reserve[]: [ 302.701454] ? dump_stack_print_info.cold.1+0x20/0x20 [ 302.726947] 0 2819 [ 302.730592] warn_alloc.cold.119+0xb7/0x1bd [ 302.733657] 6323 6323 [ 302.738849] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 302.745382] ? lock_downgrade+0x900/0x900 [ 302.747854] Node 0 [ 302.752692] ? trace_hardirqs_off+0xb8/0x310 [ 302.756839] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 302.759050] ? trace_hardirqs_off+0xb8/0x310 [ 302.763442] lowmem_reserve[]: [ 302.790163] __alloc_pages_slowpath+0x265e/0x2d70 [ 302.794547] 0 [ 302.797674] ? warn_alloc+0x120/0x120 [ 302.802466] 0 [ 302.804265] ? warn_alloc+0x120/0x120 [ 302.808082] 3503 [ 302.809883] ? print_usage_bug+0xc0/0xc0 [ 302.813658] 3503 [ 302.815715] ? warn_alloc+0x120/0x120 [ 302.819770] Node 0 [ 302.821827] ? print_usage_bug+0xc0/0xc0 [ 302.825645] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 302.827855] ? __lock_acquire+0x7ec/0x4ec0 [ 302.831887] lowmem_reserve[]: 0 [ 302.860346] ? __lock_acquire+0x7ec/0x4ec0 [ 302.864556] 0 [ 302.867860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.872070] 0 [ 302.873870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.879384] 0 [ 302.881183] ? should_fail+0x22d/0xd01 [ 302.888506] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.892371] Node 0 [ 302.897463] ? __lock_acquire+0x7ec/0x4ec0 [ 302.897465] DMA: 1*4kB [ 302.899710] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.903920] (U) [ 302.906496] ? __lock_acquire+0x7ec/0x4ec0 [ 302.911573] 0*8kB [ 302.913544] ? should_fail+0x22d/0xd01 [ 302.917764] 0*16kB [ 302.919916] ? mark_held_locks+0x130/0x130 [ 302.923775] 1*32kB [ 302.926005] ? mark_held_locks+0x130/0x130 [ 302.930216] (U) [ 302.932452] ? graph_lock+0x170/0x170 [ 302.936658] 2*64kB (U) [ 302.938638] ? print_usage_bug+0xc0/0xc0 [ 302.942417] 1*128kB [ 302.944999] ? graph_lock+0x170/0x170 [ 302.949036] (U) [ 302.951368] ? print_usage_bug+0xc0/0xc0 [ 302.955159] 1*256kB (U) [ 302.957140] ? wq_watchdog_touch+0x9c/0xfe [ 302.961174] 0*512kB 1*1024kB [ 302.963851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.968064] (U) [ 302.971166] ? check_preemption_disabled+0x48/0x280 [ 302.976671] 1*2048kB (M) [ 302.978651] ? check_preemption_disabled+0x48/0x280 [ 302.983641] 3*4096kB (M) [ 302.986407] ? __lock_is_held+0xb5/0x140 [ 302.991398] = 15908kB [ 302.994151] __alloc_pages_nodemask+0xa80/0xde0 [ 302.998186] Node 0 [ 303.000588] ? graph_lock+0x170/0x170 [ 303.005238] DMA32: [ 303.007470] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 303.011250] 4*4kB [ 303.013478] ? graph_lock+0x170/0x170 [ 303.018464] (UM) 2*8kB [ 303.020626] ? find_held_lock+0x36/0x1c0 [ 303.024399] (UM) [ 303.026982] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.031015] 2*16kB [ 303.033073] ? lock_downgrade+0x900/0x900 [ 303.037715] (M) [ 303.039951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.044069] 3*32kB [ 303.046040] cache_grow_begin+0x91/0x8c0 [ 303.051547] (UM) 4*64kB [ 303.053791] ? do_raw_spin_unlock+0xa7/0x330 [ 303.057826] (M) [ 303.060495] fallback_alloc+0x203/0x2e0 [ 303.064873] 4*128kB [ 303.066846] ____cache_alloc_node+0x1c7/0x1e0 [ 303.070800] (UM) 3*256kB [ 303.073130] kmem_cache_alloc_node+0xe3/0x730 [ 303.077603] (M) [ 303.080359] ? ipv6_get_ifaddr+0x42e/0x620 [ 303.084826] 3*512kB (M) [ 303.086810] __alloc_skb+0x119/0x770 [ 303.091015] 3*1024kB [ 303.093682] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.097370] (UM) [ 303.099781] ? skb_scrub_packet+0x490/0x490 [ 303.105033] 3*2048kB (M) [ 303.107102] ? lock_downgrade+0x900/0x900 [ 303.111400] 3*4096kB [ 303.114156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.118278] (M) [ 303.120691] ? refcount_sub_and_test_checked+0x203/0x310 [ 303.126200] = 24736kB [ 303.128169] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 303.133593] Node 0 [ 303.135996] ? addrconf_rs_timer+0x690/0x690 [ 303.141424] Normal: [ 303.143670] ndisc_alloc_skb+0x144/0x340 [ 303.148064] 592*4kB [ 303.150382] ndisc_send_rs+0x331/0x6e0 [ 303.154420] (UMEH) [ 303.156748] addrconf_rs_timer+0x314/0x690 [ 303.160610] 405*8kB [ 303.162844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.167053] (UMEH) [ 303.169385] call_timer_fn+0x272/0x920 [ 303.173579] 177*16kB (UME) [ 303.175816] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.179676] 103*32kB (UMH) [ 303.182621] ? process_timeout+0x40/0x40 [ 303.186835] 15*64kB [ 303.189769] ? find_held_lock+0x36/0x1c0 [ 303.193805] (UMH) [ 303.196136] ? __run_timers+0x7da/0xc70 [ 303.200163] 0*128kB [ 303.202308] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.206261] 1*256kB [ 303.208583] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.213048] (H) 0*512kB [ 303.215389] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.219858] 1*1024kB (H) [ 303.222546] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 303.226747] 0*2048kB 0*4096kB [ 303.229523] ? trace_hardirqs_on+0xbd/0x310 [ 303.234078] = 13976kB [ 303.234092] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 303.237275] ? kasan_check_read+0x11/0x20 [ 303.237293] ? __run_timers+0x7da/0xc70 [ 303.241602] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 303.241611] 1241 total pagecache pages [ 303.244026] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.252843] 0 pages in swap cache [ 303.256981] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.260938] Swap cache stats: add 0, delete 0, find 0/0 [ 303.269509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.273375] Free swap = 0kB [ 303.278821] __run_timers+0x7e5/0xc70 [ 303.282243] Total swap = 0kB [ 303.282251] 1965979 pages RAM [ 303.286489] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 303.291811] 0 pages HighMem/MovableOnly [ 303.291820] 342306 pages reserved [ 303.296048] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 303.299092] 0 pages cma reserved [ 303.302888] ? graph_lock+0x170/0x170 [ 303.305955] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.308981] ? enqueue_hrtimer+0x1a5/0x560 [ 303.308993] ? lock_release+0x970/0x970 [ 303.309009] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 303.314413] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.318327] ? find_held_lock+0x36/0x1c0 [ 303.321764] ksoftirqd/1 cpuset= [ 303.326781] ? graph_lock+0x170/0x170 [ 303.330124] / [ 303.333919] ? pvclock_read_flags+0x160/0x160 [ 303.340392] mems_allowed=0 [ 303.344621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.389782] ? check_preemption_disabled+0x48/0x280 [ 303.394820] ? __lock_is_held+0xb5/0x140 [ 303.398889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.404441] ? check_preemption_disabled+0x48/0x280 [ 303.409472] run_timer_softirq+0x52/0xb0 [ 303.413540] ? rcu_read_lock_sched_held+0x108/0x120 [ 303.418564] __do_softirq+0x30c/0xb03 [ 303.422379] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 303.427488] ? pvclock_read_flags+0x160/0x160 [ 303.431983] ? lapic_next_event+0x5a/0x90 [ 303.436149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.441692] ? check_preemption_disabled+0x48/0x280 [ 303.446717] ? check_preemption_disabled+0x48/0x280 [ 303.451739] ? kvm_clock_read+0x18/0x30 [ 303.455718] ? kvm_sched_clock_read+0x9/0x20 [ 303.460133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.465673] ? check_preemption_disabled+0x48/0x280 [ 303.470702] irq_exit+0x17f/0x1c0 [ 303.474158] smp_apic_timer_interrupt+0x1cb/0x760 [ 303.478999] ? smp_reschedule_interrupt+0x109/0x650 [ 303.484019] ? smp_call_function_single_interrupt+0x650/0x650 [ 303.489904] ? interrupt_entry+0xb5/0xf0 [ 303.493968] ? trace_hardirqs_off_caller+0xbb/0x310 [ 303.498987] ? trace_hardirqs_off_caller+0xbb/0x310 [ 303.504009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.508857] ? trace_hardirqs_on_caller+0x310/0x310 [ 303.513873] ? trace_hardirqs_on_caller+0x310/0x310 [ 303.518894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.524443] ? check_preemption_disabled+0x48/0x280 [ 303.529478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.535023] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.540225] apic_timer_interrupt+0xf/0x20 [ 303.544462] [ 303.546708] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 303.551644] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 303.570543] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 303.578252] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 303.585537] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 303.592810] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 303.600079] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 303.607350] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 303.614667] skb_clone+0x1bb/0x500 [ 303.618210] ? skb_split+0x11e0/0x11e0 [ 303.622106] ? check_preemption_disabled+0x48/0x280 [ 303.627130] ? __this_cpu_preempt_check+0x1c/0x20 [ 303.631977] ? __bpf_redirect+0x54b/0xb20 [ 303.636139] bpf_clone_redirect+0xb9/0x490 [ 303.640388] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 303.645411] ? __sched_text_start+0x8/0x8 [ 303.649585] ? find_held_lock+0x36/0x1c0 [ 303.653654] ? lock_acquire+0x1ed/0x520 [ 303.657634] ? bpf_test_run+0x3cb/0x780 [ 303.661612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.667187] ? check_preemption_disabled+0x48/0x280 [ 303.672231] ? kasan_check_read+0x11/0x20 [ 303.676384] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.681662] ? rcu_bh_qs+0xc0/0xc0 [ 303.685209] ? preempt_schedule+0x4d/0x60 [ 303.689360] ? ___preempt_schedule+0x16/0x18 [ 303.693782] ? bpf_test_run+0x25d/0x780 [ 303.697775] ? netlink_diag_dump+0x2a0/0x2a0 [ 303.702188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.707731] ? bpf_test_init.isra.10+0x70/0x100 [ 303.712413] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 303.717190] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 303.722037] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 303.727584] ? fput+0x130/0x1a0 [ 303.730871] ? __bpf_prog_get+0x9b/0x290 [ 303.734938] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 303.739785] ? bpf_prog_test_run+0x130/0x1a0 [ 303.744202] ? __x64_sys_bpf+0x3d8/0x520 [ 303.748263] ? bpf_prog_get+0x20/0x20 [ 303.752088] ? do_syscall_64+0x1b9/0x820 [ 303.756361] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 303.761729] ? syscall_return_slowpath+0x5e0/0x5e0 [ 303.766671] ? trace_hardirqs_on_caller+0x310/0x310 [ 303.771689] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 303.776707] ? recalc_sigpending_tsk+0x180/0x180 [ 303.781467] ? kasan_check_write+0x14/0x20 [ 303.785709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.790564] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 303.795952] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 303.796021] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.802878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.802883] Call Trace: [ 303.802903] dump_stack+0x1c4/0x2b6 [ 303.802923] ? dump_stack_print_info.cold.1+0x20/0x20 [ 303.809492] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.818760] warn_alloc.cold.119+0xb7/0x1bd [ 303.821323] syz-executor0 cpuset= [ 303.824944] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.830111] syz0 [ 303.840591] ? lock_downgrade+0x900/0x900 [ 303.844889] mems_allowed=0 [ 303.848339] ? trace_hardirqs_off+0xb8/0x310 [ 303.866595] ? trace_hardirqs_off+0xb8/0x310 [ 303.871020] __alloc_pages_slowpath+0x265e/0x2d70 [ 303.875896] ? warn_alloc+0x120/0x120 [ 303.879707] ? warn_alloc+0x120/0x120 [ 303.883515] ? print_usage_bug+0xc0/0xc0 [ 303.887578] ? warn_alloc+0x120/0x120 [ 303.891398] ? print_usage_bug+0xc0/0xc0 [ 303.895473] ? __lock_acquire+0x7ec/0x4ec0 [ 303.899707] ? __lock_acquire+0x7ec/0x4ec0 [ 303.903946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.909484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.915027] ? should_fail+0x22d/0xd01 [ 303.918924] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.924032] ? __lock_acquire+0x7ec/0x4ec0 [ 303.928280] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.933400] ? __lock_acquire+0x7ec/0x4ec0 [ 303.937642] ? should_fail+0x22d/0xd01 [ 303.941546] ? mark_held_locks+0x130/0x130 [ 303.945788] ? mark_held_locks+0x130/0x130 [ 303.950030] ? graph_lock+0x170/0x170 [ 303.953834] ? print_usage_bug+0xc0/0xc0 [ 303.957895] ? graph_lock+0x170/0x170 [ 303.961698] ? print_usage_bug+0xc0/0xc0 [ 303.965761] ? wq_watchdog_touch+0x9c/0xfe [ 303.970003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.975544] ? check_preemption_disabled+0x48/0x280 [ 303.980563] ? check_preemption_disabled+0x48/0x280 [ 303.985594] ? __lock_is_held+0xb5/0x140 [ 303.989679] __alloc_pages_nodemask+0xa80/0xde0 [ 303.994349] ? graph_lock+0x170/0x170 [ 303.998158] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 304.003174] ? graph_lock+0x170/0x170 [ 304.006988] ? find_held_lock+0x36/0x1c0 [ 304.011075] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.015749] ? lock_downgrade+0x900/0x900 [ 304.019907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.025460] cache_grow_begin+0x91/0x8c0 [ 304.029526] ? do_raw_spin_unlock+0xa7/0x330 [ 304.033948] fallback_alloc+0x203/0x2e0 [ 304.037936] ____cache_alloc_node+0x1c7/0x1e0 [ 304.042451] kmem_cache_alloc_node+0xe3/0x730 [ 304.046952] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.051200] __alloc_skb+0x119/0x770 [ 304.054918] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.060201] ? skb_scrub_packet+0x490/0x490 [ 304.064523] ? lock_downgrade+0x900/0x900 [ 304.068681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.074225] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.079691] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.085143] ? addrconf_rs_timer+0x690/0x690 [ 304.089566] ndisc_alloc_skb+0x144/0x340 [ 304.093635] ndisc_send_rs+0x331/0x6e0 [ 304.097545] addrconf_rs_timer+0x314/0x690 [ 304.101790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.106042] call_timer_fn+0x272/0x920 [ 304.109930] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.114172] ? process_timeout+0x40/0x40 [ 304.118234] ? find_held_lock+0x36/0x1c0 [ 304.122314] ? __run_timers+0x7da/0xc70 [ 304.126299] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.130800] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.135295] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.139531] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 304.144116] ? trace_hardirqs_on+0xbd/0x310 [ 304.148450] ? kasan_check_read+0x11/0x20 [ 304.152605] ? __run_timers+0x7da/0xc70 [ 304.156582] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.162041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.166290] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.170529] __run_timers+0x7e5/0xc70 [ 304.174351] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 304.179755] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.184256] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.188758] ? lockdep_hardirqs_on+0x421/0x5c0 [ 304.193344] ? trace_hardirqs_on+0xbd/0x310 [ 304.197669] ? kasan_check_read+0x11/0x20 [ 304.201825] ? finish_task_switch+0x1f4/0x910 [ 304.206324] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.211777] ? compat_start_thread+0x80/0x80 [ 304.216285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.221834] ? _raw_spin_unlock_irq+0x60/0x80 [ 304.226367] ? pvclock_read_flags+0x160/0x160 [ 304.230868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.236411] ? check_preemption_disabled+0x48/0x280 [ 304.241457] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.246755] ? rcu_pm_notify+0xc0/0xc0 [ 304.250648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.256192] ? check_preemption_disabled+0x48/0x280 [ 304.261220] run_timer_softirq+0x52/0xb0 [ 304.265285] ? rcu_read_lock_sched_held+0x108/0x120 [ 304.270308] __do_softirq+0x30c/0xb03 [ 304.274126] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 304.279231] ? trace_hardirqs_off+0x310/0x310 [ 304.283730] ? trace_hardirqs_on+0x310/0x310 [ 304.288147] ? schedule+0x108/0x460 [ 304.291789] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.296555] ? trace_hardirqs_off+0xb8/0x310 [ 304.300970] ? smpboot_thread_fn+0x68b/0xa00 [ 304.305384] ? trace_hardirqs_on+0x310/0x310 [ 304.309796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.315340] ? check_preemption_disabled+0x48/0x280 [ 304.320365] ? takeover_tasklets+0xa90/0xa90 [ 304.324779] run_ksoftirqd+0x94/0x100 [ 304.328588] smpboot_thread_fn+0x68b/0xa00 [ 304.332834] ? sort_range+0x30/0x30 [ 304.336470] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 304.341576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.347120] ? __kthread_parkme+0xfb/0x1a0 [ 304.351362] kthread+0x35a/0x420 [ 304.354733] ? sort_range+0x30/0x30 [ 304.358362] ? kthread_bind+0x40/0x40 [ 304.362170] ret_from_fork+0x3a/0x50 [ 304.365900] warn_alloc_show_mem: 1 callbacks suppressed [ 304.365912] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 304.365914] Mem-Info: [ 304.365946] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 304.365946] active_file:11 inactive_file:12 isolated_file:0 [ 304.365946] unevictable:0 dirty:0 writeback:0 unstable:0 [ 304.365946] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 304.365946] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 304.365946] free:13647 free_pcp:360 free_cma:0 [ 304.371282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.378648] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 304.381047] Call Trace: [ 304.414091] Node 0 [ 304.423447] [ 304.451132] 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 [ 304.453692] dump_stack+0x1c4/0x2b6 [ 304.455898] lowmem_reserve[]: [ 304.458045] ? dump_stack_print_info.cold.1+0x20/0x20 [ 304.483518] 0 2819 [ 304.487160] warn_alloc.cold.119+0xb7/0x1bd [ 304.490224] 6323 6323 [ 304.495417] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 304.501953] ? lock_downgrade+0x900/0x900 [ 304.504427] Node 0 [ 304.509288] ? trace_hardirqs_off+0xb8/0x310 [ 304.513446] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 304.515658] ? trace_hardirqs_off+0xb8/0x310 [ 304.520040] lowmem_reserve[]: [ 304.546773] __alloc_pages_slowpath+0x265e/0x2d70 [ 304.551147] 0 [ 304.554274] ? warn_alloc+0x120/0x120 [ 304.559071] 0 [ 304.560872] ? trace_hardirqs_on+0x310/0x310 [ 304.564649] 3503 [ 304.566450] ? warn_alloc+0x120/0x120 [ 304.570833] 3503 [ 304.572890] ? print_usage_bug+0xc0/0xc0 [ 304.576664] Node 0 [ 304.578726] ? warn_alloc+0x120/0x120 [ 304.582794] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 304.585000] ? ktime_get+0x2e1/0x440 [ 304.588778] lowmem_reserve[]: [ 304.617237] ? print_usage_bug+0xc0/0xc0 [ 304.620932] 0 0 [ 304.624482] ? __lock_acquire+0x7ec/0x4ec0 [ 304.628526] 0 [ 304.630499] ? __lock_acquire+0x7ec/0x4ec0 [ 304.634707] 0 [ 304.636506] ? kasan_check_read+0x11/0x20 [ 304.640715] Node 0 [ 304.642512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.646633] DMA: [ 304.648867] ? should_fail+0x22d/0xd01 [ 304.654377] 1*4kB [ 304.656471] ? rcu_bh_qs+0xc0/0xc0 [ 304.660348] (U) [ 304.662535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.666054] 0*8kB [ 304.668025] ? __lock_acquire+0x7ec/0x4ec0 [ 304.673103] 0*16kB [ 304.675249] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.679463] 1*32kB [ 304.681696] ? __lock_acquire+0x7ec/0x4ec0 [ 304.686772] (U) [ 304.689001] ? should_fail+0x22d/0xd01 [ 304.693207] 2*64kB (U) [ 304.695186] ? rcu_idle_enter+0x4b0/0x4b0 [ 304.699040] 1*128kB (U) [ 304.701632] ? mark_held_locks+0x130/0x130 [ 304.705750] 1*256kB [ 304.708474] ? mark_held_locks+0x130/0x130 [ 304.712688] (U) [ 304.715027] ? mark_held_locks+0xc7/0x130 [ 304.719236] 0*512kB [ 304.721212] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 304.725328] 1*1024kB (U) [ 304.727655] ? graph_lock+0x170/0x170 [ 304.732647] 1*2048kB [ 304.735402] ? print_usage_bug+0xc0/0xc0 [ 304.739171] (M) 3*4096kB [ 304.741590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.745623] (M) [ 304.748382] ? check_preemption_disabled+0x48/0x280 [ 304.753890] = 15908kB [ 304.755861] ? check_preemption_disabled+0x48/0x280 [ 304.760851] Node 0 [ 304.763268] ? __lock_is_held+0xb5/0x140 [ 304.768257] DMA32: [ 304.770499] __alloc_pages_nodemask+0xa80/0xde0 [ 304.774534] 4*4kB [ 304.776771] ? graph_lock+0x170/0x170 [ 304.781407] (UM) [ 304.783558] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 304.787338] 2*8kB [ 304.789395] ? graph_lock+0x170/0x170 [ 304.794389] (UM) [ 304.796538] ? find_held_lock+0x36/0x1c0 [ 304.800310] 2*16kB [ 304.802370] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.806398] (M) [ 304.808631] ? lock_downgrade+0x900/0x900 [ 304.813277] 3*32kB (UM) [ 304.815259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.819380] 4*64kB (M) [ 304.822058] cache_grow_begin+0x91/0x8c0 [ 304.827564] 4*128kB (UM) [ 304.830157] ? do_raw_spin_unlock+0xa7/0x330 [ 304.834192] 3*256kB [ 304.836949] fallback_alloc+0x203/0x2e0 [ 304.841334] (M) [ 304.843658] ____cache_alloc_node+0x1c7/0x1e0 [ 304.847608] 3*512kB [ 304.849579] kmem_cache_alloc_node+0xe3/0x730 [ 304.854044] (M) 3*1024kB [ 304.856376] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.860842] (UM) 3*2048kB [ 304.863628] __alloc_skb+0x119/0x770 [ 304.867835] (M) [ 304.870678] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.874363] 3*4096kB [ 304.876330] ? skb_scrub_packet+0x490/0x490 [ 304.881576] (M) = 24736kB [ 304.883993] ? lock_downgrade+0x900/0x900 [ 304.888286] Node 0 [ 304.891073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.895213] Normal: [ 304.897476] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.902994] 592*4kB [ 304.905333] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.910767] (UMEH) [ 304.913090] ? addrconf_rs_timer+0x690/0x690 [ 304.918515] 405*8kB (UMEH) [ 304.920766] ndisc_alloc_skb+0x144/0x340 [ 304.925142] 177*16kB [ 304.928074] ndisc_send_rs+0x331/0x6e0 [ 304.932112] (UME) [ 304.934519] addrconf_rs_timer+0x314/0x690 [ 304.938385] 103*32kB [ 304.940527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.944735] (UMH) [ 304.947156] call_timer_fn+0x272/0x920 [ 304.951355] 15*64kB [ 304.953495] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.957357] (UMH) [ 304.959681] ? process_timeout+0x40/0x40 [ 304.963885] 0*128kB 1*256kB [ 304.966041] ? find_held_lock+0x36/0x1c0 [ 304.970078] (H) [ 304.973112] ? __run_timers+0x7da/0xc70 [ 304.977145] 0*512kB [ 304.979117] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.983070] 1*1024kB [ 304.985402] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.989891] (H) [ 304.992304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.996767] 0*2048kB 0*4096kB [ 304.998750] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 305.002961] = 13976kB [ 305.006155] ? trace_hardirqs_on+0xbd/0x310 [ 305.010721] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 305.013123] ? kasan_check_read+0x11/0x20 [ 305.017424] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 305.026282] ? __run_timers+0x7da/0xc70 [ 305.030418] 1241 total pagecache pages [ 305.038999] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.042954] 0 pages in swap cache [ 305.046831] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.052255] Swap cache stats: add 0, delete 0, find 0/0 [ 305.052266] Free swap = 0kB [ 305.055720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.059926] Total swap = 0kB [ 305.065289] __run_timers+0x7e5/0xc70 [ 305.068286] 1965979 pages RAM [ 305.072523] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 305.075505] 0 pages HighMem/MovableOnly [ 305.075514] 342306 pages reserved [ 305.079312] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 305.082394] 0 pages cma reserved [ 305.087752] ? graph_lock+0x170/0x170 [ 305.091777] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.095153] ? enqueue_hrtimer+0x1a5/0x560 [ 305.100246] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.103513] ? lock_release+0x970/0x970 [ 305.107287] ksoftirqd/1 cpuset= [ 305.113787] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 305.117996] / [ 305.128305] ? find_held_lock+0x36/0x1c0 [ 305.132257] mems_allowed=0 [ 305.135526] ? graph_lock+0x170/0x170 [ 305.153158] ? pvclock_read_flags+0x160/0x160 [ 305.157660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.163203] ? check_preemption_disabled+0x48/0x280 [ 305.168236] ? __lock_is_held+0xb5/0x140 [ 305.172302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.177844] ? check_preemption_disabled+0x48/0x280 [ 305.182872] run_timer_softirq+0x52/0xb0 [ 305.186934] ? rcu_read_lock_sched_held+0x108/0x120 [ 305.191957] __do_softirq+0x30c/0xb03 [ 305.195780] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 305.200891] ? pvclock_read_flags+0x160/0x160 [ 305.205389] ? lapic_next_event+0x5a/0x90 [ 305.209538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.215081] ? check_preemption_disabled+0x48/0x280 [ 305.220098] ? check_preemption_disabled+0x48/0x280 [ 305.225125] ? kvm_clock_read+0x18/0x30 [ 305.229107] ? kvm_sched_clock_read+0x9/0x20 [ 305.233524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.239068] ? check_preemption_disabled+0x48/0x280 [ 305.244095] irq_exit+0x17f/0x1c0 [ 305.247551] smp_apic_timer_interrupt+0x1cb/0x760 [ 305.252392] ? smp_reschedule_interrupt+0x109/0x650 [ 305.257410] ? smp_call_function_single_interrupt+0x650/0x650 [ 305.263327] ? interrupt_entry+0xb5/0xf0 [ 305.267405] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.272439] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.277465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.282338] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.287355] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.292372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.297910] ? check_preemption_disabled+0x48/0x280 [ 305.302929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.308480] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.313358] apic_timer_interrupt+0xf/0x20 [ 305.317586] [ 305.319858] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 305.324791] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 305.343698] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 305.351407] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 305.358686] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 305.365955] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 305.373225] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 305.380497] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 305.387811] skb_clone+0x1bb/0x500 [ 305.391354] ? skb_split+0x11e0/0x11e0 [ 305.395254] ? check_preemption_disabled+0x48/0x280 [ 305.400290] ? __this_cpu_preempt_check+0x1c/0x20 [ 305.405134] ? __bpf_redirect+0x54b/0xb20 [ 305.409296] bpf_clone_redirect+0xb9/0x490 [ 305.413547] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 305.418569] ? __sched_text_start+0x8/0x8 [ 305.422731] ? find_held_lock+0x36/0x1c0 [ 305.426807] ? lock_acquire+0x1ed/0x520 [ 305.430781] ? bpf_test_run+0x3cb/0x780 [ 305.434807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.440348] ? check_preemption_disabled+0x48/0x280 [ 305.445418] ? kasan_check_read+0x11/0x20 [ 305.449602] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.454880] ? rcu_bh_qs+0xc0/0xc0 [ 305.458445] ? preempt_schedule+0x4d/0x60 [ 305.462598] ? ___preempt_schedule+0x16/0x18 [ 305.467018] ? bpf_test_run+0x25d/0x780 [ 305.471004] ? netlink_diag_dump+0x2a0/0x2a0 [ 305.475421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.480968] ? bpf_test_init.isra.10+0x70/0x100 [ 305.485647] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 305.490413] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 305.495265] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 305.500810] ? fput+0x130/0x1a0 [ 305.504092] ? __bpf_prog_get+0x9b/0x290 [ 305.508159] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 305.513003] ? bpf_prog_test_run+0x130/0x1a0 [ 305.517419] ? __x64_sys_bpf+0x3d8/0x520 [ 305.521498] ? bpf_prog_get+0x20/0x20 [ 305.525336] ? do_syscall_64+0x1b9/0x820 [ 305.529400] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 305.534779] ? syscall_return_slowpath+0x5e0/0x5e0 [ 305.539717] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.544740] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 305.549772] ? recalc_sigpending_tsk+0x180/0x180 [ 305.554541] ? kasan_check_write+0x14/0x20 [ 305.558789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.563646] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 305.569032] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 305.569104] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.575958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.575967] Call Trace: [ 305.582541] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.591809] dump_stack+0x1c4/0x2b6 [ 305.594369] syz-executor0 cpuset= [ 305.604849] ? dump_stack_print_info.cold.1+0x20/0x20 [ 305.608456] syz0 [ 305.611914] warn_alloc.cold.119+0xb7/0x1bd [ 305.617072] mems_allowed=0 [ 305.619043] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 305.631097] ? lock_downgrade+0x900/0x900 [ 305.635264] ? trace_hardirqs_off+0xb8/0x310 [ 305.639687] ? trace_hardirqs_off+0xb8/0x310 [ 305.644106] __alloc_pages_slowpath+0x265e/0x2d70 [ 305.648985] ? warn_alloc+0x120/0x120 [ 305.652796] ? warn_alloc+0x120/0x120 [ 305.656604] ? print_usage_bug+0xc0/0xc0 [ 305.660668] ? warn_alloc+0x120/0x120 [ 305.664483] ? print_usage_bug+0xc0/0xc0 [ 305.668553] ? __lock_acquire+0x7ec/0x4ec0 [ 305.672794] ? __lock_acquire+0x7ec/0x4ec0 [ 305.677038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.682577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.688121] ? should_fail+0x22d/0xd01 [ 305.692018] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.697122] ? __lock_acquire+0x7ec/0x4ec0 [ 305.701365] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.706470] ? __lock_acquire+0x7ec/0x4ec0 [ 305.710707] ? should_fail+0x22d/0xd01 [ 305.714607] ? mark_held_locks+0x130/0x130 [ 305.718847] ? mark_held_locks+0x130/0x130 [ 305.723092] ? mark_held_locks+0xc7/0x130 [ 305.727246] ? print_usage_bug+0xc0/0xc0 [ 305.731319] ? graph_lock+0x170/0x170 [ 305.735120] ? print_usage_bug+0xc0/0xc0 [ 305.739188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.744730] ? check_preemption_disabled+0x48/0x280 [ 305.749750] ? check_preemption_disabled+0x48/0x280 [ 305.755304] ? __lock_is_held+0xb5/0x140 [ 305.759387] __alloc_pages_nodemask+0xa80/0xde0 [ 305.764062] ? graph_lock+0x170/0x170 [ 305.767873] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 305.772893] ? graph_lock+0x170/0x170 [ 305.776720] ? find_held_lock+0x36/0x1c0 [ 305.780795] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.785468] ? lock_downgrade+0x900/0x900 [ 305.789627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.795181] cache_grow_begin+0x91/0x8c0 [ 305.799251] ? do_raw_spin_unlock+0xa7/0x330 [ 305.803677] fallback_alloc+0x203/0x2e0 [ 305.807667] ____cache_alloc_node+0x1c7/0x1e0 [ 305.812176] kmem_cache_alloc_node+0xe3/0x730 [ 305.817473] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.821725] __alloc_skb+0x119/0x770 [ 305.825454] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.830748] ? skb_scrub_packet+0x490/0x490 [ 305.835077] ? lock_downgrade+0x900/0x900 [ 305.839235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.844783] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.850242] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.855704] ? addrconf_rs_timer+0x690/0x690 [ 305.860133] ndisc_alloc_skb+0x144/0x340 [ 305.864205] ndisc_send_rs+0x331/0x6e0 [ 305.868099] addrconf_rs_timer+0x314/0x690 [ 305.872347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.876604] call_timer_fn+0x272/0x920 [ 305.880499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.884743] ? process_timeout+0x40/0x40 [ 305.888809] ? find_held_lock+0x36/0x1c0 [ 305.892882] ? __run_timers+0x7da/0xc70 [ 305.896864] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.901363] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.905856] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.910096] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 305.914681] ? trace_hardirqs_on+0xbd/0x310 [ 305.919008] ? kasan_check_read+0x11/0x20 [ 305.923160] ? __run_timers+0x7da/0xc70 [ 305.927140] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.932604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.936851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.941089] __run_timers+0x7e5/0xc70 [ 305.944908] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 305.950282] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.954781] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.959289] ? lockdep_hardirqs_on+0x421/0x5c0 [ 305.963879] ? trace_hardirqs_on+0xbd/0x310 [ 305.968206] ? kasan_check_read+0x11/0x20 [ 305.972360] ? finish_task_switch+0x1f4/0x910 [ 305.976858] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.982321] ? compat_start_thread+0x80/0x80 [ 305.986734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.992288] ? _raw_spin_unlock_irq+0x60/0x80 [ 305.996791] ? pvclock_read_flags+0x160/0x160 [ 306.001292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.006834] ? check_preemption_disabled+0x48/0x280 [ 306.011867] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.017148] ? rcu_pm_notify+0xc0/0xc0 [ 306.021041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.026589] ? check_preemption_disabled+0x48/0x280 [ 306.031616] run_timer_softirq+0x52/0xb0 [ 306.035685] ? rcu_read_lock_sched_held+0x108/0x120 [ 306.040708] __do_softirq+0x30c/0xb03 [ 306.044527] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 306.049636] ? trace_hardirqs_off+0x310/0x310 [ 306.054131] ? trace_hardirqs_on+0x310/0x310 [ 306.058555] ? schedule+0x108/0x460 [ 306.062184] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.066956] ? trace_hardirqs_off+0xb8/0x310 [ 306.071371] ? smpboot_thread_fn+0x68b/0xa00 [ 306.075784] ? trace_hardirqs_on+0x310/0x310 [ 306.080202] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.085743] ? check_preemption_disabled+0x48/0x280 [ 306.090768] ? takeover_tasklets+0xa90/0xa90 [ 306.095181] run_ksoftirqd+0x94/0x100 [ 306.098984] smpboot_thread_fn+0x68b/0xa00 [ 306.103228] ? sort_range+0x30/0x30 [ 306.106871] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 306.111977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.117517] ? __kthread_parkme+0xfb/0x1a0 [ 306.121762] kthread+0x35a/0x420 [ 306.125130] ? sort_range+0x30/0x30 [ 306.128760] ? kthread_bind+0x40/0x40 [ 306.132569] ret_from_fork+0x3a/0x50 [ 306.136305] warn_alloc_show_mem: 1 callbacks suppressed [ 306.136317] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 306.136319] Mem-Info: [ 306.136357] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 306.136357] active_file:11 inactive_file:12 isolated_file:0 [ 306.136357] unevictable:0 dirty:0 writeback:0 unstable:0 [ 306.136357] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 306.136357] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 306.136357] free:13647 free_pcp:360 free_cma:0 [ 306.141692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.141700] Call Trace: [ 306.149071] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 306.151450] [ 306.151497] dump_stack+0x1c4/0x2b6 [ 306.184530] Node 0 [ 306.193882] ? dump_stack_print_info.cold.1+0x20/0x20 [ 306.196480] 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 [ 306.224148] warn_alloc.cold.119+0xb7/0x1bd [ 306.226275] lowmem_reserve[]: [ 306.229900] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.232121] 0 2819 [ 306.237319] ? lock_downgrade+0x900/0x900 [ 306.262800] 6323 6323 [ 306.267142] ? trace_hardirqs_off+0xb8/0x310 [ 306.270215] Node 0 [ 306.275056] ? trace_hardirqs_off+0xb8/0x310 [ 306.277301] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 306.281441] __alloc_pages_slowpath+0x265e/0x2d70 [ 306.283917] lowmem_reserve[]: [ 306.288344] ? warn_alloc+0x120/0x120 [ 306.290537] 0 [ 306.294945] ? trace_hardirqs_on+0x310/0x310 [ 306.321652] 0 [ 306.326502] ? warn_alloc+0x120/0x120 [ 306.329576] 3503 [ 306.333373] ? print_usage_bug+0xc0/0xc0 [ 306.335154] 3503 [ 306.339556] ? warn_alloc+0x120/0x120 [ 306.341338] Node 0 [ 306.345134] ? ktime_get+0x2e1/0x440 [ 306.347198] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 306.351224] ? print_usage_bug+0xc0/0xc0 [ 306.353265] lowmem_reserve[]: [ 306.357061] ? __lock_acquire+0x7ec/0x4ec0 [ 306.359273] 0 0 [ 306.362992] ? __lock_acquire+0x7ec/0x4ec0 [ 306.391446] 0 [ 306.395513] ? kasan_check_read+0x11/0x20 [ 306.398578] 0 [ 306.402819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.404767] Node 0 DMA: [ 306.409006] ? should_fail+0x22d/0xd01 [ 306.410790] 1*4kB [ 306.414932] ? rcu_bh_qs+0xc0/0xc0 [ 306.416711] (U) [ 306.422246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.424892] 0*8kB [ 306.428776] ? __lock_acquire+0x7ec/0x4ec0 [ 306.430902] 0*16kB [ 306.434445] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.436397] 1*32kB [ 306.441497] ? __lock_acquire+0x7ec/0x4ec0 [ 306.443626] (U) [ 306.447853] ? should_fail+0x22d/0xd01 [ 306.450066] 2*64kB (U) [ 306.455171] ? rcu_idle_enter+0x4b0/0x4b0 [ 306.457376] 1*128kB (U) [ 306.461616] ? mark_held_locks+0x130/0x130 [ 306.463568] 1*256kB [ 306.467457] ? mark_held_locks+0x130/0x130 [ 306.470020] (U) [ 306.474163] ? mark_held_locks+0xc7/0x130 [ 306.476807] 0*512kB 1*1024kB [ 306.481043] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 306.483339] (U) [ 306.487571] ? graph_lock+0x170/0x170 [ 306.489530] 1*2048kB [ 306.493670] ? print_usage_bug+0xc0/0xc0 [ 306.496783] (M) [ 306.501798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.503748] 3*4096kB [ 306.507546] ? check_preemption_disabled+0x48/0x280 [ 306.509928] (M) [ 306.513981] ? check_preemption_disabled+0x48/0x280 [ 306.515935] = 15908kB [ 306.521479] ? __lock_is_held+0xb5/0x140 [ 306.523860] Node 0 [ 306.528872] __alloc_pages_nodemask+0xa80/0xde0 [ 306.530828] DMA32: [ 306.535836] ? graph_lock+0x170/0x170 [ 306.538226] 4*4kB [ 306.542281] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 306.542296] ? graph_lock+0x170/0x170 [ 306.544515] (UM) [ 306.549187] ? find_held_lock+0x36/0x1c0 [ 306.551397] 2*8kB [ 306.555210] ? ____cache_alloc_node+0x1c7/0x1e0 [ 306.557331] (UM) [ 306.562339] ? lock_downgrade+0x900/0x900 [ 306.566115] 2*16kB [ 306.568176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.572204] (M) 3*32kB [ 306.574358] cache_grow_begin+0x91/0x8c0 [ 306.579004] (UM) 4*64kB [ 306.581072] ? do_raw_spin_unlock+0xa7/0x330 [ 306.585187] (M) 4*128kB [ 306.587440] fallback_alloc+0x203/0x2e0 [ 306.592946] (UM) [ 306.595532] ____cache_alloc_node+0x1c7/0x1e0 [ 306.599566] 3*256kB [ 306.602231] kmem_cache_alloc_node+0xe3/0x730 [ 306.606616] (M) [ 306.609283] ? ipv6_get_ifaddr+0x42e/0x620 [ 306.613229] 3*512kB (M) [ 306.615301] __alloc_skb+0x119/0x770 [ 306.619766] 3*1024kB (UM) [ 306.622096] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.626750] 3*2048kB (M) [ 306.628742] ? skb_scrub_packet+0x490/0x490 [ 306.632953] 3*4096kB [ 306.635620] ? lock_downgrade+0x900/0x900 [ 306.639306] (M) = 24736kB [ 306.642160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.647411] Node 0 [ 306.650172] ? refcount_sub_and_test_checked+0x203/0x310 [ 306.654468] Normal: [ 306.656876] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 306.661000] 592*4kB [ 306.663751] ? addrconf_rs_timer+0x690/0x690 [ 306.669264] (UMEH) [ 306.671503] ndisc_alloc_skb+0x144/0x340 [ 306.676920] 405*8kB [ 306.679240] ndisc_send_rs+0x331/0x6e0 [ 306.684661] (UMEH) [ 306.686981] addrconf_rs_timer+0x314/0x690 [ 306.691363] 177*16kB [ 306.693600] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.697627] (UME) 103*32kB [ 306.699967] call_timer_fn+0x272/0x920 [ 306.703825] (UMH) [ 306.706057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.710266] 15*64kB (UMH) [ 306.712680] ? process_timeout+0x40/0x40 [ 306.717512] 0*128kB [ 306.720449] ? find_held_lock+0x36/0x1c0 [ 306.724309] 1*256kB (H) [ 306.726472] ? __run_timers+0x7da/0xc70 [ 306.730682] 0*512kB [ 306.733524] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.737561] 1*1024kB [ 306.739883] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.743919] (H) [ 306.746589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.750533] 0*2048kB 0*4096kB [ 306.752862] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 306.757788] = 13976kB [ 306.760195] ? trace_hardirqs_on+0xbd/0x310 [ 306.764671] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 306.766632] ? kasan_check_read+0x11/0x20 [ 306.766649] ? __run_timers+0x7da/0xc70 [ 306.770871] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 306.774051] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.778619] 1241 total pagecache pages [ 306.781025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.785327] 0 pages in swap cache [ 306.794150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.798281] Swap cache stats: add 0, delete 0, find 0/0 [ 306.802246] __run_timers+0x7e5/0xc70 [ 306.810803] Free swap = 0kB [ 306.816258] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 306.820123] Total swap = 0kB [ 306.824349] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 306.827782] 1965979 pages RAM [ 306.832013] ? graph_lock+0x170/0x170 [ 306.837351] 0 pages HighMem/MovableOnly [ 306.841159] ? enqueue_hrtimer+0x1a5/0x560 [ 306.844151] 342306 pages reserved [ 306.844160] 0 pages cma reserved [ 306.849519] ? lock_release+0x970/0x970 [ 306.852589] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 306.857527] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 306.857548] ? find_held_lock+0x36/0x1c0 [ 306.857565] ? graph_lock+0x170/0x170 [ 306.860708] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 306.864457] ? pvclock_read_flags+0x160/0x160 [ 306.868409] ksoftirqd/1 cpuset= [ 306.872652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.876081] / [ 306.879451] ? check_preemption_disabled+0x48/0x280 [ 306.883403] mems_allowed=0 [ 306.889893] ? __lock_is_held+0xb5/0x140 [ 306.940128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.945676] ? check_preemption_disabled+0x48/0x280 [ 306.950706] run_timer_softirq+0x52/0xb0 [ 306.954780] ? rcu_read_lock_sched_held+0x108/0x120 [ 306.959805] __do_softirq+0x30c/0xb03 [ 306.963622] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 306.968730] ? pvclock_read_flags+0x160/0x160 [ 306.973229] ? lapic_next_event+0x5a/0x90 [ 306.977378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.983010] ? check_preemption_disabled+0x48/0x280 [ 306.988027] ? check_preemption_disabled+0x48/0x280 [ 306.993054] ? kvm_clock_read+0x18/0x30 [ 306.997029] ? kvm_sched_clock_read+0x9/0x20 [ 307.001448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.006989] ? check_preemption_disabled+0x48/0x280 [ 307.012021] irq_exit+0x17f/0x1c0 [ 307.015483] smp_apic_timer_interrupt+0x1cb/0x760 [ 307.020328] ? smp_reschedule_interrupt+0x109/0x650 [ 307.025350] ? smp_call_function_single_interrupt+0x650/0x650 [ 307.031246] ? interrupt_entry+0xb5/0xf0 [ 307.035310] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.040331] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.045354] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.050204] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.055225] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.060247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.065791] ? check_preemption_disabled+0x48/0x280 [ 307.070812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.076362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.081221] apic_timer_interrupt+0xf/0x20 [ 307.085459] [ 307.087702] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 307.092635] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 307.111539] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 307.119250] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 307.126521] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 307.133793] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 307.141059] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 307.148330] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 307.155649] skb_clone+0x1bb/0x500 [ 307.159195] ? skb_split+0x11e0/0x11e0 [ 307.163090] ? check_preemption_disabled+0x48/0x280 [ 307.168114] ? __this_cpu_preempt_check+0x1c/0x20 [ 307.172959] ? __bpf_redirect+0x54b/0xb20 [ 307.177122] bpf_clone_redirect+0xb9/0x490 [ 307.181369] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 307.186394] ? __sched_text_start+0x8/0x8 [ 307.190560] ? find_held_lock+0x36/0x1c0 [ 307.194630] ? lock_acquire+0x1ed/0x520 [ 307.198606] ? bpf_test_run+0x3cb/0x780 [ 307.202586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.208132] ? check_preemption_disabled+0x48/0x280 [ 307.213162] ? kasan_check_read+0x11/0x20 [ 307.217313] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.222592] ? rcu_bh_qs+0xc0/0xc0 [ 307.226137] ? preempt_schedule+0x4d/0x60 [ 307.230291] ? ___preempt_schedule+0x16/0x18 [ 307.234710] ? bpf_test_run+0x25d/0x780 [ 307.238698] ? netlink_diag_dump+0x2a0/0x2a0 [ 307.243115] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.248652] ? bpf_test_init.isra.10+0x70/0x100 [ 307.253331] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 307.258099] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 307.262945] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 307.268484] ? fput+0x130/0x1a0 [ 307.271772] ? __bpf_prog_get+0x9b/0x290 [ 307.275844] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 307.280688] ? bpf_prog_test_run+0x130/0x1a0 [ 307.285101] ? __x64_sys_bpf+0x3d8/0x520 [ 307.289164] ? bpf_prog_get+0x20/0x20 [ 307.292991] ? do_syscall_64+0x1b9/0x820 [ 307.297056] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 307.302424] ? syscall_return_slowpath+0x5e0/0x5e0 [ 307.307372] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.312396] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 307.317413] ? recalc_sigpending_tsk+0x180/0x180 [ 307.322183] ? kasan_check_write+0x14/0x20 [ 307.326425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.331286] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 307.336830] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 307.336919] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.343757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.343771] Call Trace: [ 307.350336] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.359609] dump_stack+0x1c4/0x2b6 [ 307.362170] syz-executor0 cpuset= [ 307.372648] ? dump_stack_print_info.cold.1+0x20/0x20 [ 307.376250] syz0 [ 307.379709] warn_alloc.cold.119+0xb7/0x1bd [ 307.384867] mems_allowed=0 [ 307.386839] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.398897] ? lock_downgrade+0x900/0x900 [ 307.403062] ? trace_hardirqs_off+0xb8/0x310 [ 307.407485] ? trace_hardirqs_off+0xb8/0x310 [ 307.411907] __alloc_pages_slowpath+0x265e/0x2d70 [ 307.416786] ? warn_alloc+0x120/0x120 [ 307.420600] ? warn_alloc+0x120/0x120 [ 307.424409] ? print_usage_bug+0xc0/0xc0 [ 307.428480] ? warn_alloc+0x120/0x120 [ 307.432292] ? print_usage_bug+0xc0/0xc0 [ 307.436373] ? __lock_acquire+0x7ec/0x4ec0 [ 307.440612] ? __lock_acquire+0x7ec/0x4ec0 [ 307.444849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.450389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.455950] ? should_fail+0x22d/0xd01 [ 307.459843] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.464953] ? __lock_acquire+0x7ec/0x4ec0 [ 307.469193] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.474300] ? __lock_acquire+0x7ec/0x4ec0 [ 307.478543] ? should_fail+0x22d/0xd01 [ 307.482452] ? mark_held_locks+0x130/0x130 [ 307.486694] ? mark_held_locks+0x130/0x130 [ 307.490937] ? graph_lock+0x170/0x170 [ 307.494741] ? print_usage_bug+0xc0/0xc0 [ 307.498808] ? graph_lock+0x170/0x170 [ 307.502615] ? print_usage_bug+0xc0/0xc0 [ 307.506681] ? wq_watchdog_touch+0x9c/0xfe [ 307.510927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.516475] ? check_preemption_disabled+0x48/0x280 [ 307.521498] ? check_preemption_disabled+0x48/0x280 [ 307.526529] ? __lock_is_held+0xb5/0x140 [ 307.530607] __alloc_pages_nodemask+0xa80/0xde0 [ 307.535285] ? graph_lock+0x170/0x170 [ 307.539097] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 307.544117] ? graph_lock+0x170/0x170 [ 307.547930] ? find_held_lock+0x36/0x1c0 [ 307.552008] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.556682] ? lock_downgrade+0x900/0x900 [ 307.560841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.566386] cache_grow_begin+0x91/0x8c0 [ 307.570469] ? do_raw_spin_unlock+0xa7/0x330 [ 307.574888] fallback_alloc+0x203/0x2e0 [ 307.578872] ____cache_alloc_node+0x1c7/0x1e0 [ 307.583380] kmem_cache_alloc_node+0xe3/0x730 [ 307.587886] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.592145] __alloc_skb+0x119/0x770 [ 307.595863] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.601149] ? skb_scrub_packet+0x490/0x490 [ 307.605476] ? lock_downgrade+0x900/0x900 [ 307.609652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.615192] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.620652] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.626106] ? addrconf_rs_timer+0x690/0x690 [ 307.630529] ndisc_alloc_skb+0x144/0x340 [ 307.634601] ndisc_send_rs+0x331/0x6e0 [ 307.638496] addrconf_rs_timer+0x314/0x690 [ 307.642741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.646999] call_timer_fn+0x272/0x920 [ 307.650892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.655135] ? process_timeout+0x40/0x40 [ 307.659196] ? find_held_lock+0x36/0x1c0 [ 307.663275] ? __run_timers+0x7da/0xc70 [ 307.667257] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.671766] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.676275] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.680517] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 307.685104] ? trace_hardirqs_on+0xbd/0x310 [ 307.689439] ? kasan_check_read+0x11/0x20 [ 307.693597] ? __run_timers+0x7da/0xc70 [ 307.697837] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.703298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.707541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.711778] __run_timers+0x7e5/0xc70 [ 307.715597] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 307.720971] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.725477] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.729976] ? lockdep_hardirqs_on+0x421/0x5c0 [ 307.734568] ? trace_hardirqs_on+0xbd/0x310 [ 307.738891] ? kasan_check_read+0x11/0x20 [ 307.743042] ? finish_task_switch+0x1f4/0x910 [ 307.747543] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.752996] ? compat_start_thread+0x80/0x80 [ 307.757901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.763460] ? _raw_spin_unlock_irq+0x60/0x80 [ 307.767966] ? pvclock_read_flags+0x160/0x160 [ 307.772470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.778011] ? check_preemption_disabled+0x48/0x280 [ 307.783041] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.788326] ? rcu_pm_notify+0xc0/0xc0 [ 307.792225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.797764] ? check_preemption_disabled+0x48/0x280 [ 307.802797] run_timer_softirq+0x52/0xb0 [ 307.806867] ? rcu_read_lock_sched_held+0x108/0x120 [ 307.811890] __do_softirq+0x30c/0xb03 [ 307.815706] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 307.820812] ? trace_hardirqs_off+0x310/0x310 [ 307.825315] ? trace_hardirqs_on+0x310/0x310 [ 307.829732] ? schedule+0x108/0x460 [ 307.833364] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.838133] ? trace_hardirqs_off+0xb8/0x310 [ 307.842549] ? smpboot_thread_fn+0x68b/0xa00 [ 307.846974] ? trace_hardirqs_on+0x310/0x310 [ 307.851390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.856937] ? check_preemption_disabled+0x48/0x280 [ 307.861961] ? takeover_tasklets+0xa90/0xa90 [ 307.866381] run_ksoftirqd+0x94/0x100 [ 307.870191] smpboot_thread_fn+0x68b/0xa00 [ 307.874440] ? sort_range+0x30/0x30 [ 307.878078] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.883186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.888726] ? __kthread_parkme+0xfb/0x1a0 [ 307.892969] kthread+0x35a/0x420 [ 307.896337] ? sort_range+0x30/0x30 [ 307.899963] ? kthread_bind+0x40/0x40 [ 307.903774] ret_from_fork+0x3a/0x50 [ 307.907506] warn_alloc_show_mem: 1 callbacks suppressed [ 307.907519] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 307.907520] Mem-Info: [ 307.907552] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 307.907552] active_file:11 inactive_file:12 isolated_file:0 [ 307.907552] unevictable:0 dirty:0 writeback:0 unstable:0 [ 307.907552] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 307.907552] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 307.907552] free:13647 free_pcp:360 free_cma:0 [ 307.912897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.920266] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 307.922661] Call Trace: [ 307.955715] Node 0 [ 307.965066] [ 307.992745] 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 [ 307.995337] dump_stack+0x1c4/0x2b6 [ 307.997546] lowmem_reserve[]: [ 307.999699] ? dump_stack_print_info.cold.1+0x20/0x20 [ 308.025172] 0 2819 [ 308.028822] warn_alloc.cold.119+0xb7/0x1bd [ 308.031885] 6323 6323 [ 308.037078] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 308.039295] Node 0 [ 308.043612] ? lock_downgrade+0x900/0x900 [ 308.046112] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 308.050925] ? trace_hardirqs_off+0xb8/0x310 [ 308.053134] lowmem_reserve[]: [ 308.057281] ? trace_hardirqs_off+0xb8/0x310 [ 308.083968] 0 0 [ 308.088388] __alloc_pages_slowpath+0x265e/0x2d70 [ 308.091460] 3503 3503 [ 308.095897] ? warn_alloc+0x120/0x120 [ 308.102662] ? trace_hardirqs_on+0x310/0x310 [ 308.105138] Node 0 [ 308.108935] ? warn_alloc+0x120/0x120 [ 308.113343] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 308.115547] ? print_usage_bug+0xc0/0xc0 [ 308.119323] lowmem_reserve[]: [ 308.147778] ? warn_alloc+0x120/0x120 [ 308.151820] 0 [ 308.154920] ? ktime_get+0x2e1/0x440 [ 308.158697] 0 [ 308.160499] ? print_usage_bug+0xc0/0xc0 [ 308.164188] 0 [ 308.165989] ? __lock_acquire+0x7ec/0x4ec0 [ 308.170025] 0 [ 308.171827] ? __lock_acquire+0x7ec/0x4ec0 [ 308.177840] ? kasan_check_read+0x11/0x20 [ 308.182045] Node 0 [ 308.186187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.186197] DMA: [ 308.188442] ? should_fail+0x22d/0xd01 [ 308.193952] 1*4kB [ 308.196008] ? rcu_bh_qs+0xc0/0xc0 [ 308.199871] (U) [ 308.202015] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.205530] 0*8kB [ 308.207500] ? __lock_acquire+0x7ec/0x4ec0 [ 308.212578] 0*16kB [ 308.214725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.218931] 1*32kB [ 308.221164] ? __lock_acquire+0x7ec/0x4ec0 [ 308.226240] (U) [ 308.228493] ? should_fail+0x22d/0xd01 [ 308.232703] 2*64kB [ 308.234677] ? rcu_idle_enter+0x4b0/0x4b0 [ 308.238535] (U) [ 308.240788] ? mark_held_locks+0x130/0x130 [ 308.244903] 1*128kB [ 308.246873] ? mark_held_locks+0x130/0x130 [ 308.251080] (U) 1*256kB [ 308.253410] ? mark_held_locks+0xc7/0x130 [ 308.257618] (U) [ 308.260278] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 308.260293] ? graph_lock+0x170/0x170 [ 308.264420] 0*512kB [ 308.266398] ? print_usage_bug+0xc0/0xc0 [ 308.271393] 1*1024kB [ 308.275187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.277483] (U) [ 308.281545] ? check_preemption_disabled+0x48/0x280 [ 308.283931] 1*2048kB [ 308.289468] ? check_preemption_disabled+0x48/0x280 [ 308.291419] (M) [ 308.296447] ? __lock_is_held+0xb5/0x140 [ 308.298834] 3*4096kB [ 308.303846] __alloc_pages_nodemask+0xa80/0xde0 [ 308.305795] (M) [ 308.309854] ? graph_lock+0x170/0x170 [ 308.312245] = 15908kB [ 308.316909] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 308.318862] Node 0 [ 308.322659] ? graph_lock+0x170/0x170 [ 308.325054] DMA32: [ 308.330070] ? find_held_lock+0x36/0x1c0 [ 308.332280] 4*4kB [ 308.336084] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.338291] (UM) [ 308.342360] ? lock_downgrade+0x900/0x900 [ 308.344484] 2*8kB (UM) [ 308.349162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.351201] 2*16kB [ 308.355344] cache_grow_begin+0x91/0x8c0 [ 308.357908] (M) [ 308.363447] ? do_raw_spin_unlock+0xa7/0x330 [ 308.365653] 3*32kB (UM) [ 308.369723] fallback_alloc+0x203/0x2e0 [ 308.371675] 4*64kB [ 308.376076] ____cache_alloc_node+0x1c7/0x1e0 [ 308.378725] (M) [ 308.382694] kmem_cache_alloc_node+0xe3/0x730 [ 308.384910] 4*128kB [ 308.389395] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.391345] (UM) [ 308.395841] __alloc_skb+0x119/0x770 [ 308.398134] 3*256kB (M) [ 308.402375] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.404407] 3*512kB (M) [ 308.408133] ? skb_scrub_packet+0x490/0x490 [ 308.410779] 3*1024kB [ 308.416050] ? lock_downgrade+0x900/0x900 [ 308.418699] (UM) [ 308.423021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.425407] 3*2048kB [ 308.429548] ? refcount_sub_and_test_checked+0x203/0x310 [ 308.431586] (M) [ 308.437115] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 308.439503] 3*4096kB [ 308.444945] ? addrconf_rs_timer+0x690/0x690 [ 308.446900] (M) [ 308.452350] ndisc_alloc_skb+0x144/0x340 [ 308.454726] = 24736kB [ 308.454734] Node 0 [ 308.459137] ndisc_send_rs+0x331/0x6e0 [ 308.461088] Normal: [ 308.465148] addrconf_rs_timer+0x314/0x690 [ 308.467549] 592*4kB [ 308.469787] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.473648] (UMEH) 405*8kB [ 308.475987] call_timer_fn+0x272/0x920 [ 308.480187] (UMEH) [ 308.482508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.486721] 177*16kB [ 308.489650] ? process_timeout+0x40/0x40 [ 308.493515] (UME) [ 308.495750] ? find_held_lock+0x36/0x1c0 [ 308.499953] 103*32kB (UMH) [ 308.502386] ? __run_timers+0x7da/0xc70 [ 308.506439] 15*64kB (UMH) [ 308.508600] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.512633] 0*128kB [ 308.515559] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.519509] 1*256kB [ 308.522346] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.526817] (H) [ 308.529137] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 308.533609] 0*512kB [ 308.535929] ? trace_hardirqs_on+0xbd/0x310 [ 308.540138] 1*1024kB [ 308.542110] ? kasan_check_read+0x11/0x20 [ 308.546667] (H) [ 308.548989] ? __run_timers+0x7da/0xc70 [ 308.553290] 0*2048kB [ 308.555694] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.559816] 0*4096kB [ 308.561788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.565739] = 13976kB [ 308.568149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.573580] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 308.575980] __run_timers+0x7e5/0xc70 [ 308.580197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 308.582607] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 308.586809] 1241 total pagecache pages [ 308.595637] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.599418] 0 pages in swap cache [ 308.607987] ? graph_lock+0x170/0x170 [ 308.613328] Swap cache stats: add 0, delete 0, find 0/0 [ 308.617203] ? enqueue_hrtimer+0x1a5/0x560 [ 308.622195] Free swap = 0kB [ 308.626133] ? lock_release+0x970/0x970 [ 308.626149] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 308.629934] Total swap = 0kB [ 308.635293] ? find_held_lock+0x36/0x1c0 [ 308.639504] 1965979 pages RAM [ 308.642516] ? graph_lock+0x170/0x170 [ 308.646462] 0 pages HighMem/MovableOnly [ 308.646471] 342306 pages reserved [ 308.651659] ? pvclock_read_flags+0x160/0x160 [ 308.654653] 0 pages cma reserved [ 308.654733] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 308.658713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.658730] ? check_preemption_disabled+0x48/0x280 [ 308.658754] ? __lock_is_held+0xb5/0x140 [ 308.661894] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 308.665635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.669585] ksoftirqd/1 cpuset= [ 308.673038] ? check_preemption_disabled+0x48/0x280 [ 308.677506] / [ 308.680873] run_timer_softirq+0x52/0xb0 [ 308.687342] mems_allowed=0 [ 308.692880] ? rcu_read_lock_sched_held+0x108/0x120 [ 308.739691] __do_softirq+0x30c/0xb03 [ 308.743506] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 308.748618] ? pvclock_read_flags+0x160/0x160 [ 308.753114] ? lapic_next_event+0x5a/0x90 [ 308.757267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.762812] ? check_preemption_disabled+0x48/0x280 [ 308.767828] ? check_preemption_disabled+0x48/0x280 [ 308.772855] ? kvm_clock_read+0x18/0x30 [ 308.776831] ? kvm_sched_clock_read+0x9/0x20 [ 308.781249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.786794] ? check_preemption_disabled+0x48/0x280 [ 308.791829] irq_exit+0x17f/0x1c0 [ 308.795287] smp_apic_timer_interrupt+0x1cb/0x760 [ 308.800128] ? smp_reschedule_interrupt+0x109/0x650 [ 308.805147] ? smp_call_function_single_interrupt+0x650/0x650 [ 308.811049] ? interrupt_entry+0xb5/0xf0 [ 308.815117] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.820141] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.825162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.830020] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.835038] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.840058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.845605] ? check_preemption_disabled+0x48/0x280 [ 308.850630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.856180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.861034] apic_timer_interrupt+0xf/0x20 [ 308.865263] [ 308.867510] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 308.872448] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 308.891353] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 308.899068] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 308.906344] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 308.913614] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 308.920884] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 308.928152] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 308.935475] skb_clone+0x1bb/0x500 [ 308.939024] ? skb_split+0x11e0/0x11e0 [ 308.942918] ? check_preemption_disabled+0x48/0x280 [ 308.947941] ? __this_cpu_preempt_check+0x1c/0x20 [ 308.952790] ? __bpf_redirect+0x54b/0xb20 [ 308.956952] bpf_clone_redirect+0xb9/0x490 [ 308.961196] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 308.966216] ? __sched_text_start+0x8/0x8 [ 308.970379] ? find_held_lock+0x36/0x1c0 [ 308.974460] ? lock_acquire+0x1ed/0x520 [ 308.978446] ? bpf_test_run+0x3cb/0x780 [ 308.982427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.987976] ? check_preemption_disabled+0x48/0x280 [ 308.993005] ? kasan_check_read+0x11/0x20 [ 308.997158] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.002449] ? rcu_bh_qs+0xc0/0xc0 [ 309.005996] ? preempt_schedule+0x4d/0x60 [ 309.010180] ? ___preempt_schedule+0x16/0x18 [ 309.014602] ? bpf_test_run+0x25d/0x780 [ 309.018594] ? netlink_diag_dump+0x2a0/0x2a0 [ 309.023019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.028562] ? bpf_test_init.isra.10+0x70/0x100 [ 309.033242] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 309.038011] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 309.042858] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 309.048400] ? fput+0x130/0x1a0 [ 309.051687] ? __bpf_prog_get+0x9b/0x290 [ 309.055752] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 309.060603] ? bpf_prog_test_run+0x130/0x1a0 [ 309.065017] ? __x64_sys_bpf+0x3d8/0x520 [ 309.069083] ? bpf_prog_get+0x20/0x20 [ 309.072908] ? do_syscall_64+0x1b9/0x820 [ 309.076974] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 309.082344] ? syscall_return_slowpath+0x5e0/0x5e0 [ 309.087281] ? trace_hardirqs_on_caller+0x310/0x310 [ 309.092304] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 309.097320] ? recalc_sigpending_tsk+0x180/0x180 [ 309.102081] ? kasan_check_write+0x14/0x20 [ 309.106326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.111185] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 309.116569] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 309.116646] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.123498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.123507] Call Trace: [ 309.130267] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.139529] dump_stack+0x1c4/0x2b6 [ 309.142089] syz-executor0 cpuset= [ 309.152572] ? dump_stack_print_info.cold.1+0x20/0x20 [ 309.156171] syz0 [ 309.159634] warn_alloc.cold.119+0xb7/0x1bd [ 309.164798] mems_allowed=0 [ 309.166773] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.178840] ? lock_downgrade+0x900/0x900 [ 309.182999] ? trace_hardirqs_off+0xb8/0x310 [ 309.187417] ? trace_hardirqs_off+0xb8/0x310 [ 309.191848] __alloc_pages_slowpath+0x265e/0x2d70 [ 309.196725] ? warn_alloc+0x120/0x120 [ 309.200534] ? warn_alloc+0x120/0x120 [ 309.204339] ? print_usage_bug+0xc0/0xc0 [ 309.208402] ? warn_alloc+0x120/0x120 [ 309.212217] ? print_usage_bug+0xc0/0xc0 [ 309.216290] ? __lock_acquire+0x7ec/0x4ec0 [ 309.220537] ? __lock_acquire+0x7ec/0x4ec0 [ 309.224775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.230316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.235854] ? should_fail+0x22d/0xd01 [ 309.239748] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.244855] ? __lock_acquire+0x7ec/0x4ec0 [ 309.249098] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.254206] ? __lock_acquire+0x7ec/0x4ec0 [ 309.258450] ? should_fail+0x22d/0xd01 [ 309.262358] ? mark_held_locks+0x130/0x130 [ 309.266599] ? mark_held_locks+0x130/0x130 [ 309.270840] ? graph_lock+0x170/0x170 [ 309.274663] ? print_usage_bug+0xc0/0xc0 [ 309.278728] ? graph_lock+0x170/0x170 [ 309.282584] ? print_usage_bug+0xc0/0xc0 [ 309.286649] ? wq_watchdog_touch+0x9c/0xfe [ 309.290886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.296441] ? check_preemption_disabled+0x48/0x280 [ 309.301471] ? check_preemption_disabled+0x48/0x280 [ 309.306506] ? __lock_is_held+0xb5/0x140 [ 309.310578] __alloc_pages_nodemask+0xa80/0xde0 [ 309.315254] ? graph_lock+0x170/0x170 [ 309.319067] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 309.324085] ? graph_lock+0x170/0x170 [ 309.327899] ? find_held_lock+0x36/0x1c0 [ 309.331973] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.336647] ? lock_downgrade+0x900/0x900 [ 309.340809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.346355] cache_grow_begin+0x91/0x8c0 [ 309.350419] ? do_raw_spin_unlock+0xa7/0x330 [ 309.354848] fallback_alloc+0x203/0x2e0 [ 309.358831] ____cache_alloc_node+0x1c7/0x1e0 [ 309.363340] kmem_cache_alloc_node+0xe3/0x730 [ 309.367836] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.372106] __alloc_skb+0x119/0x770 [ 309.375824] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.381113] ? skb_scrub_packet+0x490/0x490 [ 309.385448] ? lock_downgrade+0x900/0x900 [ 309.389616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.395158] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.400615] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.406071] ? addrconf_rs_timer+0x690/0x690 [ 309.410498] ndisc_alloc_skb+0x144/0x340 [ 309.414569] ndisc_send_rs+0x331/0x6e0 [ 309.418474] addrconf_rs_timer+0x314/0x690 [ 309.422723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.426977] call_timer_fn+0x272/0x920 [ 309.430867] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.435111] ? process_timeout+0x40/0x40 [ 309.439174] ? find_held_lock+0x36/0x1c0 [ 309.443251] ? __run_timers+0x7da/0xc70 [ 309.447242] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.451750] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.456249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.460495] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 309.465083] ? trace_hardirqs_on+0xbd/0x310 [ 309.469411] ? kasan_check_read+0x11/0x20 [ 309.473569] ? __run_timers+0x7da/0xc70 [ 309.477555] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.483020] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.487276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.491514] __run_timers+0x7e5/0xc70 [ 309.495334] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 309.500708] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.505210] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.509715] ? lockdep_hardirqs_on+0x421/0x5c0 [ 309.514306] ? trace_hardirqs_on+0xbd/0x310 [ 309.518628] ? kasan_check_read+0x11/0x20 [ 309.522781] ? finish_task_switch+0x1f4/0x910 [ 309.527284] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.532740] ? compat_start_thread+0x80/0x80 [ 309.537157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.542705] ? _raw_spin_unlock_irq+0x60/0x80 [ 309.547213] ? pvclock_read_flags+0x160/0x160 [ 309.551712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.557255] ? check_preemption_disabled+0x48/0x280 [ 309.562298] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.567582] ? rcu_pm_notify+0xc0/0xc0 [ 309.571483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.577028] ? check_preemption_disabled+0x48/0x280 [ 309.582054] run_timer_softirq+0x52/0xb0 [ 309.586122] ? rcu_read_lock_sched_held+0x108/0x120 [ 309.591145] __do_softirq+0x30c/0xb03 [ 309.594961] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 309.600066] ? trace_hardirqs_off+0x310/0x310 [ 309.604564] ? trace_hardirqs_on+0x310/0x310 [ 309.608985] ? schedule+0x108/0x460 [ 309.612614] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.617380] ? trace_hardirqs_off+0xb8/0x310 [ 309.621794] ? smpboot_thread_fn+0x68b/0xa00 [ 309.626205] ? trace_hardirqs_on+0x310/0x310 [ 309.630621] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.636161] ? check_preemption_disabled+0x48/0x280 [ 309.641184] ? takeover_tasklets+0xa90/0xa90 [ 309.645600] run_ksoftirqd+0x94/0x100 [ 309.649400] smpboot_thread_fn+0x68b/0xa00 [ 309.653651] ? sort_range+0x30/0x30 [ 309.657290] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 309.662398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.667946] ? __kthread_parkme+0xfb/0x1a0 [ 309.672196] kthread+0x35a/0x420 [ 309.675572] ? sort_range+0x30/0x30 [ 309.679216] ? kthread_bind+0x40/0x40 [ 309.683034] ret_from_fork+0x3a/0x50 [ 309.686773] warn_alloc_show_mem: 1 callbacks suppressed [ 309.686786] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 309.686788] Mem-Info: [ 309.686821] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 309.686821] active_file:11 inactive_file:12 isolated_file:0 [ 309.686821] unevictable:0 dirty:0 writeback:0 unstable:0 [ 309.686821] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 309.686821] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 309.686821] free:13647 free_pcp:360 free_cma:0 [ 309.692171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.699555] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 309.701961] Call Trace: [ 309.735015] Node 0 [ 309.744372] [ 309.772394] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 309.774967] dump_stack+0x1c4/0x2b6 [ 309.777175] lowmem_reserve[]: [ 309.779323] ? dump_stack_print_info.cold.1+0x20/0x20 [ 309.805397] 0 2819 [ 309.809055] warn_alloc.cold.119+0xb7/0x1bd [ 309.812119] 6323 [ 309.817302] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.819517] 6323 [ 309.823832] ? lock_downgrade+0x900/0x900 [ 309.825872] Node 0 [ 309.830712] ? trace_hardirqs_off+0xb8/0x310 [ 309.832777] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 309.836899] ? trace_hardirqs_off+0xb8/0x310 [ 309.839108] lowmem_reserve[]: 0 [ 309.843525] __alloc_pages_slowpath+0x265e/0x2d70 [ 309.870220] 0 3503 [ 309.874681] ? warn_alloc+0x120/0x120 [ 309.877904] 3503 [ 309.882740] ? trace_hardirqs_on+0x310/0x310 [ 309.888747] ? warn_alloc+0x120/0x120 [ 309.890788] Node 0 [ 309.895196] ? print_usage_bug+0xc0/0xc0 [ 309.898999] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 309.901201] ? warn_alloc+0x120/0x120 [ 309.905241] lowmem_reserve[]: [ 309.933692] ? ktime_get+0x2e1/0x440 [ 309.937469] 0 [ 309.940573] ? print_usage_bug+0xc0/0xc0 [ 309.944257] 0 0 [ 309.946068] ? __lock_acquire+0x7ec/0x4ec0 [ 309.950099] 0 [ 309.952081] ? __lock_acquire+0x7ec/0x4ec0 [ 309.956291] Node 0 [ 309.958092] ? kasan_check_read+0x11/0x20 [ 309.962301] DMA: [ 309.964539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.968661] 1*4kB [ 309.970720] ? should_fail+0x22d/0xd01 [ 309.976227] (U) 0*8kB [ 309.978385] ? rcu_bh_qs+0xc0/0xc0 [ 309.982246] 0*16kB [ 309.984743] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.988255] 1*32kB (U) [ 309.990499] ? __lock_acquire+0x7ec/0x4ec0 [ 309.995573] 2*64kB (U) [ 309.998162] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.002365] 1*128kB (U) [ 310.004957] ? __lock_acquire+0x7ec/0x4ec0 [ 310.010030] 1*256kB (U) [ 310.012703] ? should_fail+0x22d/0xd01 [ 310.016915] 0*512kB [ 310.019580] ? rcu_idle_enter+0x4b0/0x4b0 [ 310.023449] 1*1024kB [ 310.025775] ? mark_held_locks+0x130/0x130 [ 310.029891] (U) [ 310.032303] ? mark_held_locks+0x130/0x130 [ 310.036510] 1*2048kB (M) [ 310.038493] ? mark_held_locks+0xc7/0x130 [ 310.042705] 3*4096kB [ 310.045463] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 310.049587] (M) [ 310.051992] ? graph_lock+0x170/0x170 [ 310.056985] = 15908kB [ 310.058957] ? print_usage_bug+0xc0/0xc0 [ 310.062736] Node 0 [ 310.065146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.069185] DMA32: [ 310.071420] ? check_preemption_disabled+0x48/0x280 [ 310.076934] 4*4kB [ 310.079166] ? check_preemption_disabled+0x48/0x280 [ 310.084159] (UM) [ 310.086312] ? __lock_is_held+0xb5/0x140 [ 310.091298] 2*8kB (UM) [ 310.093367] __alloc_pages_nodemask+0xa80/0xde0 [ 310.097395] 2*16kB (M) [ 310.099982] ? graph_lock+0x170/0x170 [ 310.104632] 3*32kB [ 310.107232] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 310.111006] (UM) [ 310.113241] ? graph_lock+0x170/0x170 [ 310.118231] 4*64kB (M) [ 310.120303] ? find_held_lock+0x36/0x1c0 [ 310.124076] 4*128kB [ 310.126663] ? ____cache_alloc_node+0x1c7/0x1e0 [ 310.130695] (UM) [ 310.133016] ? lock_downgrade+0x900/0x900 [ 310.137660] 3*256kB [ 310.139721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.143882] (M) [ 310.146201] cache_grow_begin+0x91/0x8c0 [ 310.151716] 3*512kB [ 310.153680] ? do_raw_spin_unlock+0xa7/0x330 [ 310.157726] (M) [ 310.160050] fallback_alloc+0x203/0x2e0 [ 310.164430] 3*1024kB [ 310.166413] ____cache_alloc_node+0x1c7/0x1e0 [ 310.170358] (UM) 3*2048kB [ 310.172787] kmem_cache_alloc_node+0xe3/0x730 [ 310.177252] (M) [ 310.180096] ? ipv6_get_ifaddr+0x42e/0x620 [ 310.184578] 3*4096kB (M) [ 310.186567] __alloc_skb+0x119/0x770 [ 310.190767] = 24736kB [ 310.190776] Node 0 [ 310.193531] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.197210] Normal: 592*4kB [ 310.199623] ? skb_scrub_packet+0x490/0x490 [ 310.201837] (UMEH) [ 310.207108] ? lock_downgrade+0x900/0x900 [ 310.210107] 405*8kB [ 310.214451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.216660] (UMEH) [ 310.220805] ? refcount_sub_and_test_checked+0x203/0x310 [ 310.223103] 177*16kB [ 310.228637] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 310.230854] (UME) [ 310.236298] ? addrconf_rs_timer+0x690/0x690 [ 310.238690] 103*32kB [ 310.244139] ndisc_alloc_skb+0x144/0x340 [ 310.246259] (UMH) [ 310.250663] ndisc_send_rs+0x331/0x6e0 [ 310.253044] 15*64kB (UMH) [ 310.257117] addrconf_rs_timer+0x314/0x690 [ 310.259244] 0*128kB [ 310.263136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.265965] 1*256kB [ 310.270211] call_timer_fn+0x272/0x920 [ 310.272512] (H) [ 310.276744] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.279042] 0*512kB 1*1024kB [ 310.282939] ? process_timeout+0x40/0x40 [ 310.284889] (H) [ 310.289124] ? find_held_lock+0x36/0x1c0 [ 310.292209] 0*2048kB [ 310.296272] ? __run_timers+0x7da/0xc70 [ 310.298219] 0*4096kB [ 310.302277] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.304664] = 13976kB [ 310.308640] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.311033] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 310.315527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.317921] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 310.322409] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 310.331223] 1241 total pagecache pages [ 310.335465] ? trace_hardirqs_on+0xbd/0x310 [ 310.344023] 0 pages in swap cache [ 310.348607] ? kasan_check_read+0x11/0x20 [ 310.352467] Swap cache stats: add 0, delete 0, find 0/0 [ 310.352476] Free swap = 0kB [ 310.356798] ? __run_timers+0x7da/0xc70 [ 310.360224] Total swap = 0kB [ 310.364382] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.369722] 1965979 pages RAM [ 310.372740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.376692] 0 pages HighMem/MovableOnly [ 310.379704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.385134] 342306 pages reserved [ 310.388234] __run_timers+0x7e5/0xc70 [ 310.392451] 0 pages cma reserved [ 310.396427] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 310.400731] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 310.404089] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 310.407963] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 310.411232] ? graph_lock+0x170/0x170 [ 310.416576] ksoftirqd/1 cpuset= [ 310.423061] ? enqueue_hrtimer+0x1a5/0x560 [ 310.428060] / [ 310.438372] ? lock_release+0x970/0x970 [ 310.442154] mems_allowed=0 [ 310.445426] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 310.463413] ? find_held_lock+0x36/0x1c0 [ 310.467490] ? graph_lock+0x170/0x170 [ 310.471298] ? pvclock_read_flags+0x160/0x160 [ 310.475805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.481357] ? check_preemption_disabled+0x48/0x280 [ 310.486391] ? __lock_is_held+0xb5/0x140 [ 310.490466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.496010] ? check_preemption_disabled+0x48/0x280 [ 310.501040] run_timer_softirq+0x52/0xb0 [ 310.505104] ? rcu_read_lock_sched_held+0x108/0x120 [ 310.510129] __do_softirq+0x30c/0xb03 [ 310.513946] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 310.519066] ? pvclock_read_flags+0x160/0x160 [ 310.523568] ? lapic_next_event+0x5a/0x90 [ 310.527726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.533271] ? check_preemption_disabled+0x48/0x280 [ 310.538296] ? check_preemption_disabled+0x48/0x280 [ 310.543331] ? kvm_clock_read+0x18/0x30 [ 310.547316] ? kvm_sched_clock_read+0x9/0x20 [ 310.551731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.557285] ? check_preemption_disabled+0x48/0x280 [ 310.562318] irq_exit+0x17f/0x1c0 [ 310.565784] smp_apic_timer_interrupt+0x1cb/0x760 [ 310.570627] ? smp_reschedule_interrupt+0x109/0x650 [ 310.575648] ? smp_call_function_single_interrupt+0x650/0x650 [ 310.581541] ? interrupt_entry+0xb5/0xf0 [ 310.585607] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.590634] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.595655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.600502] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.605518] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.610538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.616079] ? check_preemption_disabled+0x48/0x280 [ 310.621102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.627175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.632033] apic_timer_interrupt+0xf/0x20 [ 310.636267] [ 310.638512] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 310.643455] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 310.662360] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 310.670074] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 310.677342] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 310.684610] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 310.691879] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 310.699152] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 310.706477] skb_clone+0x1bb/0x500 [ 310.710024] ? skb_split+0x11e0/0x11e0 [ 310.713915] ? check_preemption_disabled+0x48/0x280 [ 310.718942] ? __this_cpu_preempt_check+0x1c/0x20 [ 310.724058] ? __bpf_redirect+0x54b/0xb20 [ 310.728245] bpf_clone_redirect+0xb9/0x490 [ 310.732501] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 310.737539] ? __sched_text_start+0x8/0x8 [ 310.741706] ? find_held_lock+0x36/0x1c0 [ 310.745795] ? lock_acquire+0x1ed/0x520 [ 310.749786] ? bpf_test_run+0x3cb/0x780 [ 310.753801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.759362] ? check_preemption_disabled+0x48/0x280 [ 310.764400] ? kasan_check_read+0x11/0x20 [ 310.768568] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.773852] ? rcu_bh_qs+0xc0/0xc0 [ 310.777403] ? preempt_schedule+0x4d/0x60 [ 310.781571] ? ___preempt_schedule+0x16/0x18 [ 310.785994] ? bpf_test_run+0x25d/0x780 [ 310.789984] ? netlink_diag_dump+0x2a0/0x2a0 [ 310.794401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.799953] ? bpf_test_init.isra.10+0x70/0x100 [ 310.804634] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 310.809401] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 310.814257] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.819802] ? fput+0x130/0x1a0 [ 310.823087] ? __bpf_prog_get+0x9b/0x290 [ 310.827163] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 310.832010] ? bpf_prog_test_run+0x130/0x1a0 [ 310.836429] ? __x64_sys_bpf+0x3d8/0x520 [ 310.840512] ? bpf_prog_get+0x20/0x20 [ 310.844336] ? do_syscall_64+0x1b9/0x820 [ 310.848404] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 310.853786] ? syscall_return_slowpath+0x5e0/0x5e0 [ 310.858730] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.863780] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 310.868803] ? recalc_sigpending_tsk+0x180/0x180 [ 310.873568] ? kasan_check_write+0x14/0x20 [ 310.877815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.882672] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 310.888057] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 310.888129] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 310.894986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.894996] Call Trace: [ 310.901589] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 310.910838] dump_stack+0x1c4/0x2b6 [ 310.913394] syz-executor0 cpuset= [ 310.923894] ? dump_stack_print_info.cold.1+0x20/0x20 [ 310.927494] syz0 [ 310.930956] warn_alloc.cold.119+0xb7/0x1bd [ 310.936110] mems_allowed=0 [ 310.938088] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 310.950152] ? lock_downgrade+0x900/0x900 [ 310.954315] ? trace_hardirqs_off+0xb8/0x310 [ 310.958733] ? trace_hardirqs_off+0xb8/0x310 [ 310.963160] __alloc_pages_slowpath+0x265e/0x2d70 [ 310.968043] ? warn_alloc+0x120/0x120 [ 310.971862] ? warn_alloc+0x120/0x120 [ 310.975674] ? print_usage_bug+0xc0/0xc0 [ 310.979748] ? warn_alloc+0x120/0x120 [ 310.983564] ? print_usage_bug+0xc0/0xc0 [ 310.987632] ? __lock_acquire+0x7ec/0x4ec0 [ 310.991871] ? __lock_acquire+0x7ec/0x4ec0 [ 310.996113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.001655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.007195] ? should_fail+0x22d/0xd01 [ 311.011096] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.016208] ? __lock_acquire+0x7ec/0x4ec0 [ 311.020464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.025571] ? __lock_acquire+0x7ec/0x4ec0 [ 311.029813] ? should_fail+0x22d/0xd01 [ 311.033718] ? mark_held_locks+0x130/0x130 [ 311.037962] ? mark_held_locks+0x130/0x130 [ 311.042207] ? mark_held_locks+0xc7/0x130 [ 311.046387] ? print_usage_bug+0xc0/0xc0 [ 311.050470] ? graph_lock+0x170/0x170 [ 311.054281] ? print_usage_bug+0xc0/0xc0 [ 311.058353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.063898] ? check_preemption_disabled+0x48/0x280 [ 311.068926] ? check_preemption_disabled+0x48/0x280 [ 311.073965] ? __lock_is_held+0xb5/0x140 [ 311.078084] __alloc_pages_nodemask+0xa80/0xde0 [ 311.082762] ? graph_lock+0x170/0x170 [ 311.086574] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 311.091595] ? graph_lock+0x170/0x170 [ 311.095411] ? find_held_lock+0x36/0x1c0 [ 311.099495] ? ____cache_alloc_node+0x1c7/0x1e0 [ 311.104169] ? lock_downgrade+0x900/0x900 [ 311.108330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.113877] cache_grow_begin+0x91/0x8c0 [ 311.117944] ? do_raw_spin_unlock+0xa7/0x330 [ 311.122364] fallback_alloc+0x203/0x2e0 [ 311.126351] ____cache_alloc_node+0x1c7/0x1e0 [ 311.130858] kmem_cache_alloc_node+0xe3/0x730 [ 311.135359] ? ipv6_get_ifaddr+0x42e/0x620 [ 311.139613] __alloc_skb+0x119/0x770 [ 311.143331] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.148613] ? skb_scrub_packet+0x490/0x490 [ 311.152936] ? lock_downgrade+0x900/0x900 [ 311.157094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.162638] ? refcount_sub_and_test_checked+0x203/0x310 [ 311.168095] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 311.173549] ? addrconf_rs_timer+0x690/0x690 [ 311.177990] ndisc_alloc_skb+0x144/0x340 [ 311.182062] ndisc_send_rs+0x331/0x6e0 [ 311.185959] addrconf_rs_timer+0x314/0x690 [ 311.190206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.194465] call_timer_fn+0x272/0x920 [ 311.198357] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.202598] ? process_timeout+0x40/0x40 [ 311.206663] ? find_held_lock+0x36/0x1c0 [ 311.210738] ? __run_timers+0x7da/0xc70 [ 311.214722] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.219224] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.223720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.227962] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 311.232553] ? trace_hardirqs_on+0xbd/0x310 [ 311.236885] ? kasan_check_read+0x11/0x20 [ 311.241045] ? __run_timers+0x7da/0xc70 [ 311.245028] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.250490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.254738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.258982] __run_timers+0x7e5/0xc70 [ 311.262805] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 311.268175] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.272675] ? _raw_spin_unlock_irq+0x27/0x80 [ 311.277176] ? lockdep_hardirqs_on+0x421/0x5c0 [ 311.281764] ? trace_hardirqs_on+0xbd/0x310 [ 311.286092] ? kasan_check_read+0x11/0x20 [ 311.290245] ? finish_task_switch+0x1f4/0x910 [ 311.294756] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.300214] ? compat_start_thread+0x80/0x80 [ 311.304629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.310179] ? _raw_spin_unlock_irq+0x60/0x80 [ 311.314692] ? pvclock_read_flags+0x160/0x160 [ 311.319192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.324739] ? check_preemption_disabled+0x48/0x280 [ 311.329771] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.335068] ? rcu_pm_notify+0xc0/0xc0 [ 311.338977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.344527] ? check_preemption_disabled+0x48/0x280 [ 311.349563] run_timer_softirq+0x52/0xb0 [ 311.353627] ? rcu_read_lock_sched_held+0x108/0x120 [ 311.358651] __do_softirq+0x30c/0xb03 [ 311.362481] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 311.367587] ? trace_hardirqs_off+0x310/0x310 [ 311.372102] ? trace_hardirqs_on+0x310/0x310 [ 311.378168] ? schedule+0x108/0x460 [ 311.381797] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 311.386563] ? trace_hardirqs_off+0xb8/0x310 [ 311.390976] ? smpboot_thread_fn+0x68b/0xa00 [ 311.395391] ? trace_hardirqs_on+0x310/0x310 [ 311.399803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.405346] ? check_preemption_disabled+0x48/0x280 [ 311.410367] ? takeover_tasklets+0xa90/0xa90 [ 311.414781] run_ksoftirqd+0x94/0x100 [ 311.418584] smpboot_thread_fn+0x68b/0xa00 [ 311.422831] ? sort_range+0x30/0x30 [ 311.426477] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 311.431586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.437127] ? __kthread_parkme+0xfb/0x1a0 [ 311.441378] kthread+0x35a/0x420 [ 311.444750] ? sort_range+0x30/0x30 [ 311.448377] ? kthread_bind+0x40/0x40 [ 311.452186] ret_from_fork+0x3a/0x50 [ 311.455926] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 311.455932] warn_alloc_show_mem: 1 callbacks suppressed [ 311.455939] Mem-Info: [ 311.463303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.468673] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 311.468673] active_file:11 inactive_file:12 isolated_file:0 [ 311.468673] unevictable:0 dirty:0 writeback:0 unstable:0 [ 311.468673] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 311.468673] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 311.468673] free:13647 free_pcp:360 free_cma:0 [ 311.471048] Call Trace: [ 311.480444] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 311.513476] [ 311.516051] Node 0 [ 311.543732] dump_stack+0x1c4/0x2b6 [ 311.545880] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 311.548095] ? dump_stack_print_info.cold.1+0x20/0x20 [ 311.551700] lowmem_reserve[]: [ 311.577211] warn_alloc.cold.119+0xb7/0x1bd [ 311.582373] 0 [ 311.585474] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 311.589776] 2819 [ 311.591573] ? lock_downgrade+0x900/0x900 [ 311.596390] 6323 [ 311.598459] ? trace_hardirqs_off+0xb8/0x310 [ 311.602574] 6323 [ 311.604645] ? trace_hardirqs_off+0xb8/0x310 [ 311.609030] Node 0 [ 311.611093] __alloc_pages_slowpath+0x265e/0x2d70 [ 311.615499] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 311.617733] ? warn_alloc+0x120/0x120 [ 311.622530] lowmem_reserve[]: [ 311.649244] ? trace_hardirqs_on+0x310/0x310 [ 311.653019] 0 [ 311.656118] ? warn_alloc+0x120/0x120 [ 311.660499] 0 3503 [ 311.662305] ? print_usage_bug+0xc0/0xc0 [ 311.666079] 3503 [ 311.668309] ? warn_alloc+0x120/0x120 [ 311.674408] ? ktime_get+0x2e1/0x440 [ 311.678189] Node 0 [ 311.681900] ? print_usage_bug+0xc0/0xc0 [ 311.681932] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 311.681939] lowmem_reserve[]: [ 311.684172] ? __lock_acquire+0x7ec/0x4ec0 [ 311.688218] 0 [ 311.716683] ? __lock_acquire+0x7ec/0x4ec0 [ 311.719766] 0 0 [ 311.724004] ? kasan_check_read+0x11/0x20 [ 311.725784] 0 [ 311.730018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.731978] Node 0 [ 311.736123] ? should_fail+0x22d/0xd01 [ 311.737902] DMA: [ 311.743461] ? rcu_bh_qs+0xc0/0xc0 [ 311.745678] 1*4kB [ 311.749559] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.751600] (U) [ 311.755414] ? __lock_acquire+0x7ec/0x4ec0 [ 311.757544] 0*8kB [ 311.762675] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.764639] 0*16kB [ 311.768869] ? __lock_acquire+0x7ec/0x4ec0 [ 311.770997] 1*32kB [ 311.776094] ? should_fail+0x22d/0xd01 [ 311.778311] (U) [ 311.782540] ? rcu_idle_enter+0x4b0/0x4b0 [ 311.784751] 2*64kB [ 311.788640] ? mark_held_locks+0x130/0x130 [ 311.790588] (U) [ 311.794733] ? mark_held_locks+0x130/0x130 [ 311.796971] 1*128kB (U) [ 311.801216] ? mark_held_locks+0xc7/0x130 [ 311.803168] 1*256kB (U) [ 311.807409] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 311.810059] 0*512kB [ 311.814201] ? graph_lock+0x170/0x170 [ 311.816850] 1*1024kB [ 311.821859] ? print_usage_bug+0xc0/0xc0 [ 311.824162] (U) [ 311.827956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.830351] 1*2048kB [ 311.834408] ? check_preemption_disabled+0x48/0x280 [ 311.836350] (M) 3*4096kB [ 311.841894] ? check_preemption_disabled+0x48/0x280 [ 311.844312] (M) [ 311.849330] ? __lock_is_held+0xb5/0x140 [ 311.852065] = 15908kB [ 311.857075] __alloc_pages_nodemask+0xa80/0xde0 [ 311.859028] Node 0 [ 311.863086] ? graph_lock+0x170/0x170 [ 311.865477] DMA32: [ 311.870146] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 311.872364] 4*4kB [ 311.876161] ? graph_lock+0x170/0x170 [ 311.878374] (UM) [ 311.883390] ? find_held_lock+0x36/0x1c0 [ 311.885511] 2*8kB [ 311.889312] ? ____cache_alloc_node+0x1c7/0x1e0 [ 311.891352] (UM) [ 311.895401] ? lock_downgrade+0x900/0x900 [ 311.897533] 2*16kB [ 311.902198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.904231] (M) 3*32kB [ 311.908385] cache_grow_begin+0x91/0x8c0 [ 311.910602] (UM) [ 311.916136] ? do_raw_spin_unlock+0xa7/0x330 [ 311.918698] 4*64kB [ 311.922760] fallback_alloc+0x203/0x2e0 [ 311.924803] (M) [ 311.929207] ____cache_alloc_node+0x1c7/0x1e0 [ 311.931416] 4*128kB (UM) [ 311.935403] kmem_cache_alloc_node+0xe3/0x730 [ 311.937357] 3*256kB [ 311.941845] ? ipv6_get_ifaddr+0x42e/0x620 [ 311.944579] (M) [ 311.949072] __alloc_skb+0x119/0x770 [ 311.951371] 3*512kB [ 311.955607] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.957573] (M) [ 311.961287] ? skb_scrub_packet+0x490/0x490 [ 311.963584] 3*1024kB (UM) [ 311.968865] ? lock_downgrade+0x900/0x900 [ 311.970815] 3*2048kB (M) [ 311.975142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.977952] 3*4096kB (M) [ 311.982106] ? refcount_sub_and_test_checked+0x203/0x310 [ 311.984832] = 24736kB [ 311.984841] Node 0 [ 311.990375] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 311.993101] Normal: 592*4kB [ 311.998559] ? addrconf_rs_timer+0x690/0x690 [ 312.000945] (UMEH) [ 312.003185] ndisc_alloc_skb+0x144/0x340 [ 312.008607] 405*8kB [ 312.011620] ndisc_send_rs+0x331/0x6e0 [ 312.016003] (UMEH) [ 312.018238] addrconf_rs_timer+0x314/0x690 [ 312.022280] 177*16kB [ 312.024599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.028471] (UME) [ 312.030715] call_timer_fn+0x272/0x920 [ 312.034914] 103*32kB [ 312.037321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.041536] (UMH) [ 312.043681] ? process_timeout+0x40/0x40 [ 312.047550] 15*64kB [ 312.049962] ? find_held_lock+0x36/0x1c0 [ 312.054172] (UMH) [ 312.056321] ? __run_timers+0x7da/0xc70 [ 312.060356] 0*128kB [ 312.062679] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.066717] 1*256kB [ 312.068860] ? _raw_spin_unlock_irq+0x27/0x80 [ 312.072815] (H) [ 312.075133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.079605] 0*512kB [ 312.081921] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 312.086390] 1*1024kB [ 312.088366] ? trace_hardirqs_on+0xbd/0x310 [ 312.092580] (H) [ 312.094900] ? kasan_check_read+0x11/0x20 [ 312.099466] 0*2048kB [ 312.101877] ? __run_timers+0x7da/0xc70 [ 312.106174] 0*4096kB [ 312.108146] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.112272] = 13976kB [ 312.114675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.118629] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 312.121031] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.126471] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 312.128873] __run_timers+0x7e5/0xc70 [ 312.133083] 1241 total pagecache pages [ 312.141924] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 312.146131] 0 pages in swap cache [ 312.154696] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 312.158475] Swap cache stats: add 0, delete 0, find 0/0 [ 312.162350] ? graph_lock+0x170/0x170 [ 312.167693] Free swap = 0kB [ 312.171140] ? enqueue_hrtimer+0x1a5/0x560 [ 312.176137] Total swap = 0kB [ 312.181493] ? lock_release+0x970/0x970 [ 312.185273] 1965979 pages RAM [ 312.188287] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 312.192503] 0 pages HighMem/MovableOnly [ 312.195519] ? find_held_lock+0x36/0x1c0 [ 312.199473] 342306 pages reserved [ 312.202576] ? graph_lock+0x170/0x170 [ 312.207743] 0 pages cma reserved [ 312.211716] ? pvclock_read_flags+0x160/0x160 [ 312.215828] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 312.219208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.219225] ? check_preemption_disabled+0x48/0x280 [ 312.219249] ? __lock_is_held+0xb5/0x140 [ 312.223095] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.226400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.230881] ksoftirqd/1 cpuset= [ 312.237388] ? check_preemption_disabled+0x48/0x280 [ 312.242894] / [ 312.247911] run_timer_softirq+0x52/0xb0 [ 312.251950] mems_allowed=0 [ 312.262259] ? rcu_read_lock_sched_held+0x108/0x120 [ 312.289724] __do_softirq+0x30c/0xb03 [ 312.293540] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 312.298654] ? pvclock_read_flags+0x160/0x160 [ 312.303153] ? lapic_next_event+0x5a/0x90 [ 312.307306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.312852] ? check_preemption_disabled+0x48/0x280 [ 312.317871] ? check_preemption_disabled+0x48/0x280 [ 312.322910] ? kvm_clock_read+0x18/0x30 [ 312.326887] ? kvm_sched_clock_read+0x9/0x20 [ 312.331302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.336846] ? check_preemption_disabled+0x48/0x280 [ 312.341878] irq_exit+0x17f/0x1c0 [ 312.345339] smp_apic_timer_interrupt+0x1cb/0x760 [ 312.350180] ? smp_reschedule_interrupt+0x109/0x650 [ 312.355201] ? smp_call_function_single_interrupt+0x650/0x650 [ 312.361087] ? interrupt_entry+0xb5/0xf0 [ 312.365156] ? trace_hardirqs_off_caller+0xbb/0x310 [ 312.370173] ? trace_hardirqs_off_caller+0xbb/0x310 [ 312.375192] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.380037] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.385056] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.390077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.395621] ? check_preemption_disabled+0x48/0x280 [ 312.400639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.406184] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.411039] apic_timer_interrupt+0xf/0x20 [ 312.415272] [ 312.417516] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 312.422454] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 312.441356] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 312.449072] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 312.456347] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 312.463619] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 312.470886] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 312.478152] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 312.485478] skb_clone+0x1bb/0x500 [ 312.489026] ? skb_split+0x11e0/0x11e0 [ 312.492923] ? check_preemption_disabled+0x48/0x280 [ 312.497951] ? __this_cpu_preempt_check+0x1c/0x20 [ 312.502806] ? __bpf_redirect+0x54b/0xb20 [ 312.506969] bpf_clone_redirect+0xb9/0x490 [ 312.511221] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 312.516247] ? __sched_text_start+0x8/0x8 [ 312.520411] ? find_held_lock+0x36/0x1c0 [ 312.524489] ? lock_acquire+0x1ed/0x520 [ 312.528473] ? bpf_test_run+0x3cb/0x780 [ 312.532456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.538004] ? check_preemption_disabled+0x48/0x280 [ 312.543035] ? kasan_check_read+0x11/0x20 [ 312.547199] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.552482] ? rcu_bh_qs+0xc0/0xc0 [ 312.556027] ? preempt_schedule+0x4d/0x60 [ 312.560179] ? ___preempt_schedule+0x16/0x18 [ 312.564600] ? bpf_test_run+0x25d/0x780 [ 312.568596] ? netlink_diag_dump+0x2a0/0x2a0 [ 312.573010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.578553] ? bpf_test_init.isra.10+0x70/0x100 [ 312.583229] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 312.587997] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 312.592844] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.598384] ? fput+0x130/0x1a0 [ 312.601672] ? __bpf_prog_get+0x9b/0x290 [ 312.605744] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 312.610593] ? bpf_prog_test_run+0x130/0x1a0 [ 312.615008] ? __x64_sys_bpf+0x3d8/0x520 [ 312.619070] ? bpf_prog_get+0x20/0x20 [ 312.623380] ? do_syscall_64+0x1b9/0x820 [ 312.627458] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 312.632830] ? syscall_return_slowpath+0x5e0/0x5e0 [ 312.637774] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.642800] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 312.647819] ? recalc_sigpending_tsk+0x180/0x180 [ 312.652585] ? kasan_check_write+0x14/0x20 [ 312.656830] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.661686] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 312.667076] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 312.667146] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 312.674006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.674015] Call Trace: [ 312.680585] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 312.689864] dump_stack+0x1c4/0x2b6 [ 312.692418] syz-executor0 cpuset= [ 312.702915] ? dump_stack_print_info.cold.1+0x20/0x20 [ 312.706510] syz0 [ 312.709975] warn_alloc.cold.119+0xb7/0x1bd [ 312.715137] mems_allowed=0 [ 312.717109] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 312.729164] ? lock_downgrade+0x900/0x900 [ 312.733335] ? trace_hardirqs_off+0xb8/0x310 [ 312.737754] ? trace_hardirqs_off+0xb8/0x310 [ 312.742180] __alloc_pages_slowpath+0x265e/0x2d70 [ 312.747058] ? warn_alloc+0x120/0x120 [ 312.750868] ? warn_alloc+0x120/0x120 [ 312.754676] ? print_usage_bug+0xc0/0xc0 [ 312.758741] ? warn_alloc+0x120/0x120 [ 312.762548] ? print_usage_bug+0xc0/0xc0 [ 312.766617] ? __lock_acquire+0x7ec/0x4ec0 [ 312.770854] ? __lock_acquire+0x7ec/0x4ec0 [ 312.775094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.780740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.786289] ? should_fail+0x22d/0xd01 [ 312.790188] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.795299] ? __lock_acquire+0x7ec/0x4ec0 [ 312.799556] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.804663] ? __lock_acquire+0x7ec/0x4ec0 [ 312.808901] ? should_fail+0x22d/0xd01 [ 312.812805] ? mark_held_locks+0x130/0x130 [ 312.817050] ? mark_held_locks+0x130/0x130 [ 312.821300] ? graph_lock+0x170/0x170 [ 312.825108] ? print_usage_bug+0xc0/0xc0 [ 312.829172] ? graph_lock+0x170/0x170 [ 312.832974] ? print_usage_bug+0xc0/0xc0 [ 312.837127] ? wq_watchdog_touch+0x9c/0xfe [ 312.841369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.846917] ? check_preemption_disabled+0x48/0x280 [ 312.851938] ? check_preemption_disabled+0x48/0x280 [ 312.856967] ? __lock_is_held+0xb5/0x140 [ 312.861043] __alloc_pages_nodemask+0xa80/0xde0 [ 312.865721] ? graph_lock+0x170/0x170 [ 312.869530] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 312.874544] ? graph_lock+0x170/0x170 [ 312.878362] ? find_held_lock+0x36/0x1c0 [ 312.882445] ? ____cache_alloc_node+0x1c7/0x1e0 [ 312.887121] ? lock_downgrade+0x900/0x900 [ 312.891283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.896832] cache_grow_begin+0x91/0x8c0 [ 312.900902] ? do_raw_spin_unlock+0xa7/0x330 [ 312.905323] fallback_alloc+0x203/0x2e0 [ 312.909312] ____cache_alloc_node+0x1c7/0x1e0 [ 312.913818] kmem_cache_alloc_node+0xe3/0x730 [ 312.918321] ? ipv6_get_ifaddr+0x42e/0x620 [ 312.922572] __alloc_skb+0x119/0x770 [ 312.926301] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 312.931586] ? skb_scrub_packet+0x490/0x490 [ 312.935908] ? lock_downgrade+0x900/0x900 [ 312.940067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.945617] ? refcount_sub_and_test_checked+0x203/0x310 [ 312.951080] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 312.956537] ? addrconf_rs_timer+0x690/0x690 [ 312.960962] ndisc_alloc_skb+0x144/0x340 [ 312.965035] ndisc_send_rs+0x331/0x6e0 [ 312.968940] addrconf_rs_timer+0x314/0x690 [ 312.973188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.977451] call_timer_fn+0x272/0x920 [ 312.981342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.985587] ? process_timeout+0x40/0x40 [ 312.989655] ? find_held_lock+0x36/0x1c0 [ 312.993729] ? __run_timers+0x7da/0xc70 [ 312.997716] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.002218] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.006735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.010975] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 313.015561] ? trace_hardirqs_on+0xbd/0x310 [ 313.019890] ? kasan_check_read+0x11/0x20 [ 313.024045] ? __run_timers+0x7da/0xc70 [ 313.028024] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.033484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.037728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.041966] __run_timers+0x7e5/0xc70 [ 313.045785] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 313.051162] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.055663] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.060165] ? lockdep_hardirqs_on+0x421/0x5c0 [ 313.064753] ? trace_hardirqs_on+0xbd/0x310 [ 313.069078] ? kasan_check_read+0x11/0x20 [ 313.073234] ? finish_task_switch+0x1f4/0x910 [ 313.077738] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.083194] ? compat_start_thread+0x80/0x80 [ 313.087611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.093394] ? _raw_spin_unlock_irq+0x60/0x80 [ 313.097898] ? pvclock_read_flags+0x160/0x160 [ 313.102402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.107953] ? check_preemption_disabled+0x48/0x280 [ 313.112984] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.118264] ? rcu_pm_notify+0xc0/0xc0 [ 313.122166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.127705] ? check_preemption_disabled+0x48/0x280 [ 313.132734] run_timer_softirq+0x52/0xb0 [ 313.136801] ? rcu_read_lock_sched_held+0x108/0x120 [ 313.141820] __do_softirq+0x30c/0xb03 [ 313.145639] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 313.150749] ? trace_hardirqs_off+0x310/0x310 [ 313.155260] ? trace_hardirqs_on+0x310/0x310 [ 313.159688] ? schedule+0x108/0x460 [ 313.163317] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 313.168088] ? trace_hardirqs_off+0xb8/0x310 [ 313.172501] ? smpboot_thread_fn+0x68b/0xa00 [ 313.176910] ? trace_hardirqs_on+0x310/0x310 [ 313.181325] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.186887] ? check_preemption_disabled+0x48/0x280 [ 313.191915] ? takeover_tasklets+0xa90/0xa90 [ 313.196329] run_ksoftirqd+0x94/0x100 [ 313.200132] smpboot_thread_fn+0x68b/0xa00 [ 313.204374] ? sort_range+0x30/0x30 [ 313.208008] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 313.213123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.218670] ? __kthread_parkme+0xfb/0x1a0 [ 313.222915] kthread+0x35a/0x420 [ 313.226290] ? sort_range+0x30/0x30 [ 313.229919] ? kthread_bind+0x40/0x40 [ 313.233728] ret_from_fork+0x3a/0x50 [ 313.237469] warn_alloc_show_mem: 1 callbacks suppressed [ 313.237482] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 313.237484] Mem-Info: [ 313.237515] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 313.237515] active_file:11 inactive_file:12 isolated_file:0 [ 313.237515] unevictable:0 dirty:0 writeback:0 unstable:0 [ 313.237515] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 313.237515] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 313.237515] free:13647 free_pcp:360 free_cma:0 [ 313.242857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.250222] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 313.252622] Call Trace: [ 313.285670] Node 0 [ 313.295019] [ 313.322702] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 313.325262] dump_stack+0x1c4/0x2b6 [ 313.327474] lowmem_reserve[]: [ 313.329624] ? dump_stack_print_info.cold.1+0x20/0x20 [ 313.355117] 0 [ 313.358774] warn_alloc.cold.119+0xb7/0x1bd [ 313.361836] 2819 [ 313.367025] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 313.368804] 6323 [ 313.373123] ? lock_downgrade+0x900/0x900 [ 313.375166] 6323 [ 313.380008] ? trace_hardirqs_off+0xb8/0x310 [ 313.386190] ? trace_hardirqs_off+0xb8/0x310 [ 313.388230] Node 0 [ 313.392640] __alloc_pages_slowpath+0x265e/0x2d70 [ 313.397048] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 313.399278] ? warn_alloc+0x120/0x120 [ 313.404078] lowmem_reserve[]: [ 313.430808] ? trace_hardirqs_on+0x310/0x310 [ 313.434586] 0 [ 313.437705] ? warn_alloc+0x120/0x120 [ 313.442086] 0 3503 [ 313.443895] ? print_usage_bug+0xc0/0xc0 [ 313.447668] 3503 [ 313.449898] ? warn_alloc+0x120/0x120 [ 313.455997] ? ktime_get+0x2e1/0x440 [ 313.459778] Node 0 [ 313.463482] ? print_usage_bug+0xc0/0xc0 [ 313.463515] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 313.463522] lowmem_reserve[]: [ 313.465771] ? __lock_acquire+0x7ec/0x4ec0 [ 313.469803] 0 [ 313.498263] ? __lock_acquire+0x7ec/0x4ec0 [ 313.501354] 0 [ 313.505587] ? kasan_check_read+0x11/0x20 [ 313.507366] 0 [ 313.511595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.513374] 0 [ 313.517527] ? should_fail+0x22d/0xd01 [ 313.519309] Node 0 [ 313.524845] ? rcu_bh_qs+0xc0/0xc0 [ 313.526622] DMA: [ 313.530504] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.532716] 1*4kB [ 313.536253] ? __lock_acquire+0x7ec/0x4ec0 [ 313.538294] (U) [ 313.543392] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 313.545523] 0*8kB [ 313.549751] ? __lock_acquire+0x7ec/0x4ec0 [ 313.551704] 0*16kB [ 313.556802] ? should_fail+0x22d/0xd01 [ 313.558922] 1*32kB (U) [ 313.563162] ? rcu_idle_enter+0x4b0/0x4b0 [ 313.565378] 2*64kB [ 313.569266] ? mark_held_locks+0x130/0x130 [ 313.571827] (U) 1*128kB [ 313.575978] ? mark_held_locks+0x130/0x130 [ 313.578196] (U) [ 313.582430] ? mark_held_locks+0xc7/0x130 [ 313.585081] 1*256kB (U) [ 313.589318] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 313.591274] 0*512kB [ 313.595408] ? graph_lock+0x170/0x170 [ 313.598058] 1*1024kB [ 313.603069] ? print_usage_bug+0xc0/0xc0 [ 313.605371] (U) [ 313.609172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.611561] 1*2048kB [ 313.615625] ? check_preemption_disabled+0x48/0x280 [ 313.617579] (M) [ 313.623116] ? check_preemption_disabled+0x48/0x280 [ 313.625504] 3*4096kB [ 313.630526] ? __lock_is_held+0xb5/0x140 [ 313.632472] (M) [ 313.637488] __alloc_pages_nodemask+0xa80/0xde0 [ 313.639872] = 15908kB [ 313.643927] ? graph_lock+0x170/0x170 [ 313.645883] Node 0 [ 313.650547] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 313.652936] DMA32: [ 313.656748] ? graph_lock+0x170/0x170 [ 313.658967] 4*4kB [ 313.663986] ? find_held_lock+0x36/0x1c0 [ 313.666197] (UM) [ 313.670010] ? ____cache_alloc_node+0x1c7/0x1e0 [ 313.672132] 2*8kB [ 313.676187] ? lock_downgrade+0x900/0x900 [ 313.678228] (UM) [ 313.682894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.685018] 2*16kB [ 313.689167] cache_grow_begin+0x91/0x8c0 [ 313.691197] (M) 3*32kB [ 313.696754] ? do_raw_spin_unlock+0xa7/0x330 [ 313.698970] (UM) [ 313.703036] fallback_alloc+0x203/0x2e0 [ 313.705593] 4*64kB [ 313.709996] ____cache_alloc_node+0x1c7/0x1e0 [ 313.712034] (M) [ 313.716001] kmem_cache_alloc_node+0xe3/0x730 [ 313.718215] 4*128kB [ 313.722708] ? ipv6_get_ifaddr+0x42e/0x620 [ 313.724660] (UM) [ 313.729159] __alloc_skb+0x119/0x770 [ 313.731463] 3*256kB [ 313.735696] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 313.737735] (M) [ 313.741456] ? skb_scrub_packet+0x490/0x490 [ 313.743753] 3*512kB [ 313.749033] ? lock_downgrade+0x900/0x900 [ 313.750985] (M) [ 313.755562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.757862] 3*1024kB [ 313.762007] ? refcount_sub_and_test_checked+0x203/0x310 [ 313.763957] (UM) [ 313.769491] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 313.771875] 3*2048kB (M) [ 313.777334] ? addrconf_rs_timer+0x690/0x690 [ 313.779381] 3*4096kB [ 313.784832] ndisc_alloc_skb+0x144/0x340 [ 313.787562] (M) [ 313.791967] ndisc_send_rs+0x331/0x6e0 [ 313.794355] = 24736kB [ 313.798409] addrconf_rs_timer+0x314/0x690 [ 313.800364] Node 0 [ 313.804246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.806634] Normal: [ 313.810873] call_timer_fn+0x272/0x920 [ 313.813075] 592*4kB [ 313.817299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.819599] (UMEH) [ 313.823481] ? process_timeout+0x40/0x40 [ 313.825782] 405*8kB [ 313.830009] ? find_held_lock+0x36/0x1c0 [ 313.832223] (UMEH) [ 313.836282] ? __run_timers+0x7da/0xc70 [ 313.838589] 177*16kB [ 313.842648] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.844864] (UME) [ 313.848832] ? _raw_spin_unlock_irq+0x27/0x80 [ 313.851225] 103*32kB [ 313.855714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.857843] (UMH) [ 313.862336] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 313.864726] 15*64kB [ 313.868955] ? trace_hardirqs_on+0xbd/0x310 [ 313.871079] (UMH) [ 313.875656] ? kasan_check_read+0x11/0x20 [ 313.877952] 0*128kB 1*256kB [ 313.882287] ? __run_timers+0x7da/0xc70 [ 313.884415] (H) [ 313.888614] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.891608] 0*512kB 1*1024kB [ 313.895586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.897540] (H) [ 313.902983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.906070] 0*2048kB 0*4096kB [ 313.910328] __run_timers+0x7e5/0xc70 [ 313.912287] = 13976kB [ 313.916525] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 313.919694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 313.923482] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 313.925877] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 313.931244] ? graph_lock+0x170/0x170 [ 313.940060] 1241 total pagecache pages [ 313.945071] ? enqueue_hrtimer+0x1a5/0x560 [ 313.953629] 0 pages in swap cache [ 313.957430] ? lock_release+0x970/0x970 [ 313.961298] Swap cache stats: add 0, delete 0, find 0/0 [ 313.961307] Free swap = 0kB [ 313.965535] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 313.968968] Total swap = 0kB [ 313.972942] ? find_held_lock+0x36/0x1c0 [ 313.978282] 1965979 pages RAM [ 313.981301] ? graph_lock+0x170/0x170 [ 313.986471] 0 pages HighMem/MovableOnly [ 313.986479] 342306 pages reserved [ 313.989500] ? pvclock_read_flags+0x160/0x160 [ 313.993530] 0 pages cma reserved [ 313.993612] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 313.996639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.996657] ? check_preemption_disabled+0x48/0x280 [ 313.996682] ? __lock_is_held+0xb5/0x140 [ 314.000533] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 314.004457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.007897] ksoftirqd/1 cpuset= [ 314.012394] ? check_preemption_disabled+0x48/0x280 [ 314.015731] / [ 314.022226] run_timer_softirq+0x52/0xb0 [ 314.027733] mems_allowed=0 [ 314.069550] ? rcu_read_lock_sched_held+0x108/0x120 [ 314.074572] __do_softirq+0x30c/0xb03 [ 314.078391] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 314.083501] ? pvclock_read_flags+0x160/0x160 [ 314.088026] ? lapic_next_event+0x5a/0x90 [ 314.092176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.097719] ? check_preemption_disabled+0x48/0x280 [ 314.102740] ? check_preemption_disabled+0x48/0x280 [ 314.107776] ? kvm_clock_read+0x18/0x30 [ 314.111755] ? kvm_sched_clock_read+0x9/0x20 [ 314.116176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.121722] ? check_preemption_disabled+0x48/0x280 [ 314.126755] irq_exit+0x17f/0x1c0 [ 314.130220] smp_apic_timer_interrupt+0x1cb/0x760 [ 314.135063] ? smp_reschedule_interrupt+0x109/0x650 [ 314.140085] ? smp_call_function_single_interrupt+0x650/0x650 [ 314.145978] ? interrupt_entry+0xb5/0xf0 [ 314.150045] ? trace_hardirqs_off_caller+0xbb/0x310 [ 314.155072] ? trace_hardirqs_off_caller+0xbb/0x310 [ 314.160094] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.164938] ? trace_hardirqs_on_caller+0x310/0x310 [ 314.169956] ? trace_hardirqs_on_caller+0x310/0x310 [ 314.174978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.180522] ? check_preemption_disabled+0x48/0x280 [ 314.185545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.191090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.195944] apic_timer_interrupt+0xf/0x20 [ 314.200178] [ 314.202424] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 314.207365] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 314.226268] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 314.233979] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 314.241247] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 314.248516] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 314.255787] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 314.263055] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 314.270370] skb_clone+0x1bb/0x500 [ 314.273914] ? skb_split+0x11e0/0x11e0 [ 314.277806] ? check_preemption_disabled+0x48/0x280 [ 314.282835] ? __this_cpu_preempt_check+0x1c/0x20 [ 314.287680] ? __bpf_redirect+0x54b/0xb20 [ 314.291841] bpf_clone_redirect+0xb9/0x490 [ 314.296084] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 314.301104] ? __sched_text_start+0x8/0x8 [ 314.305272] ? find_held_lock+0x36/0x1c0 [ 314.309343] ? lock_acquire+0x1ed/0x520 [ 314.313324] ? bpf_test_run+0x3cb/0x780 [ 314.317301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.322844] ? check_preemption_disabled+0x48/0x280 [ 314.327870] ? kasan_check_read+0x11/0x20 [ 314.332027] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.337311] ? rcu_bh_qs+0xc0/0xc0 [ 314.340861] ? preempt_schedule+0x4d/0x60 [ 314.345013] ? ___preempt_schedule+0x16/0x18 [ 314.349447] ? bpf_test_run+0x25d/0x780 [ 314.353450] ? netlink_diag_dump+0x2a0/0x2a0 [ 314.357874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.363413] ? bpf_test_init.isra.10+0x70/0x100 [ 314.368098] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 314.372863] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 314.377704] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 314.383243] ? fput+0x130/0x1a0 [ 314.386528] ? __bpf_prog_get+0x9b/0x290 [ 314.390602] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 314.395456] ? bpf_prog_test_run+0x130/0x1a0 [ 314.399872] ? __x64_sys_bpf+0x3d8/0x520 [ 314.403936] ? bpf_prog_get+0x20/0x20 [ 314.407759] ? do_syscall_64+0x1b9/0x820 [ 314.411832] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 314.417202] ? syscall_return_slowpath+0x5e0/0x5e0 [ 314.422135] ? trace_hardirqs_on_caller+0x310/0x310 [ 314.427156] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 314.432175] ? recalc_sigpending_tsk+0x180/0x180 [ 314.436941] ? kasan_check_write+0x14/0x20 [ 314.441188] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.446049] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 314.451449] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 314.451519] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 314.458384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.458389] Call Trace: [ 314.458411] dump_stack+0x1c4/0x2b6 [ 314.458434] ? dump_stack_print_info.cold.1+0x20/0x20 [ 314.464990] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 314.474299] warn_alloc.cold.119+0xb7/0x1bd [ 314.476847] syz-executor0 cpuset= [ 314.480482] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 314.485647] syz0 [ 314.496128] ? lock_downgrade+0x900/0x900 [ 314.500429] mems_allowed=0 [ 314.503887] ? trace_hardirqs_off+0xb8/0x310 [ 314.522134] ? trace_hardirqs_off+0xb8/0x310 [ 314.526559] __alloc_pages_slowpath+0x265e/0x2d70 [ 314.531437] ? warn_alloc+0x120/0x120 [ 314.535255] ? warn_alloc+0x120/0x120 [ 314.539067] ? print_usage_bug+0xc0/0xc0 [ 314.543273] ? warn_alloc+0x120/0x120 [ 314.547079] ? print_usage_bug+0xc0/0xc0 [ 314.551150] ? __lock_acquire+0x7ec/0x4ec0 [ 314.555387] ? __lock_acquire+0x7ec/0x4ec0 [ 314.559629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.565172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.570714] ? should_fail+0x22d/0xd01 [ 314.574612] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.579717] ? __lock_acquire+0x7ec/0x4ec0 [ 314.583960] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.589062] ? __lock_acquire+0x7ec/0x4ec0 [ 314.593297] ? should_fail+0x22d/0xd01 [ 314.597196] ? mark_held_locks+0x130/0x130 [ 314.601449] ? mark_held_locks+0x130/0x130 [ 314.605695] ? graph_lock+0x170/0x170 [ 314.609504] ? print_usage_bug+0xc0/0xc0 [ 314.613569] ? graph_lock+0x170/0x170 [ 314.617378] ? print_usage_bug+0xc0/0xc0 [ 314.621454] ? wq_watchdog_touch+0x9c/0xfe [ 314.625913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.631465] ? check_preemption_disabled+0x48/0x280 [ 314.636484] ? check_preemption_disabled+0x48/0x280 [ 314.641515] ? __lock_is_held+0xb5/0x140 [ 314.645585] __alloc_pages_nodemask+0xa80/0xde0 [ 314.650258] ? graph_lock+0x170/0x170 [ 314.654076] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 314.659094] ? graph_lock+0x170/0x170 [ 314.662907] ? find_held_lock+0x36/0x1c0 [ 314.666981] ? ____cache_alloc_node+0x1c7/0x1e0 [ 314.671658] ? lock_downgrade+0x900/0x900 [ 314.675818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.681363] cache_grow_begin+0x91/0x8c0 [ 314.685434] ? do_raw_spin_unlock+0xa7/0x330 [ 314.689861] fallback_alloc+0x203/0x2e0 [ 314.693850] ____cache_alloc_node+0x1c7/0x1e0 [ 314.698358] kmem_cache_alloc_node+0xe3/0x730 [ 314.702864] ? ipv6_get_ifaddr+0x42e/0x620 [ 314.707117] __alloc_skb+0x119/0x770 [ 314.710840] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.716124] ? skb_scrub_packet+0x490/0x490 [ 314.720456] ? lock_downgrade+0x900/0x900 [ 314.724619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.730162] ? refcount_sub_and_test_checked+0x203/0x310 [ 314.735624] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 314.741076] ? addrconf_rs_timer+0x690/0x690 [ 314.745504] ndisc_alloc_skb+0x144/0x340 [ 314.749577] ndisc_send_rs+0x331/0x6e0 [ 314.753486] addrconf_rs_timer+0x314/0x690 [ 314.757735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.761996] call_timer_fn+0x272/0x920 [ 314.765890] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.770132] ? process_timeout+0x40/0x40 [ 314.774205] ? find_held_lock+0x36/0x1c0 [ 314.778295] ? __run_timers+0x7da/0xc70 [ 314.782292] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.786797] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.791298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.795537] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 314.800177] ? trace_hardirqs_on+0xbd/0x310 [ 314.804505] ? kasan_check_read+0x11/0x20 [ 314.808659] ? __run_timers+0x7da/0xc70 [ 314.812634] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.818091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.822343] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 314.826580] __run_timers+0x7e5/0xc70 [ 314.830397] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 314.835767] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.840265] ? _raw_spin_unlock_irq+0x27/0x80 [ 314.844769] ? lockdep_hardirqs_on+0x421/0x5c0 [ 314.849357] ? trace_hardirqs_on+0xbd/0x310 [ 314.853686] ? kasan_check_read+0x11/0x20 [ 314.857840] ? finish_task_switch+0x1f4/0x910 [ 314.862345] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.867799] ? compat_start_thread+0x80/0x80 [ 314.872212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.877763] ? _raw_spin_unlock_irq+0x60/0x80 [ 314.882274] ? pvclock_read_flags+0x160/0x160 [ 314.886776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.892319] ? check_preemption_disabled+0x48/0x280 [ 314.897348] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 314.902633] ? rcu_pm_notify+0xc0/0xc0 [ 314.906529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.912069] ? check_preemption_disabled+0x48/0x280 [ 314.917099] run_timer_softirq+0x52/0xb0 [ 314.921164] ? rcu_read_lock_sched_held+0x108/0x120 [ 314.926183] __do_softirq+0x30c/0xb03 [ 314.930000] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 314.935117] ? trace_hardirqs_off+0x310/0x310 [ 314.939621] ? trace_hardirqs_on+0x310/0x310 [ 314.944041] ? schedule+0x108/0x460 [ 314.947673] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 314.952453] ? trace_hardirqs_off+0xb8/0x310 [ 314.956874] ? smpboot_thread_fn+0x68b/0xa00 [ 314.961290] ? trace_hardirqs_on+0x310/0x310 [ 314.965703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.971249] ? check_preemption_disabled+0x48/0x280 [ 314.976282] ? takeover_tasklets+0xa90/0xa90 [ 314.980697] run_ksoftirqd+0x94/0x100 [ 314.984502] smpboot_thread_fn+0x68b/0xa00 [ 314.988743] ? sort_range+0x30/0x30 [ 314.992377] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 314.997484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.003025] ? __kthread_parkme+0xfb/0x1a0 [ 315.007273] kthread+0x35a/0x420 [ 315.010644] ? sort_range+0x30/0x30 [ 315.014275] ? kthread_bind+0x40/0x40 [ 315.018087] ret_from_fork+0x3a/0x50 [ 315.021818] warn_alloc_show_mem: 1 callbacks suppressed [ 315.021831] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 315.021833] Mem-Info: [ 315.021866] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 315.021866] active_file:11 inactive_file:12 isolated_file:0 [ 315.021866] unevictable:0 dirty:0 writeback:0 unstable:0 [ 315.021866] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 315.021866] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 315.021866] free:13647 free_pcp:360 free_cma:0 [ 315.027203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.034567] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 315.036966] Call Trace: [ 315.070008] Node 0 [ 315.079354] [ 315.107036] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 315.109602] dump_stack+0x1c4/0x2b6 [ 315.111807] lowmem_reserve[]: 0 [ 315.113961] ? dump_stack_print_info.cold.1+0x20/0x20 [ 315.139435] 2819 6323 [ 315.143089] warn_alloc.cold.119+0xb7/0x1bd [ 315.146331] 6323 [ 315.151514] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 315.158301] ? lock_downgrade+0x900/0x900 [ 315.160338] Node 0 [ 315.165181] ? trace_hardirqs_off+0xb8/0x310 [ 315.169324] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 315.171530] ? trace_hardirqs_off+0xb8/0x310 [ 315.175915] lowmem_reserve[]: [ 315.202632] __alloc_pages_slowpath+0x265e/0x2d70 [ 315.207044] 0 [ 315.210169] ? warn_alloc+0x120/0x120 [ 315.214967] 0 [ 315.216776] ? lock_release+0x970/0x970 [ 315.220546] 3503 [ 315.222344] ? warn_alloc+0x120/0x120 [ 315.226298] 3503 [ 315.228355] ? print_usage_bug+0xc0/0xc0 [ 315.234196] ? warn_alloc+0x120/0x120 [ 315.238244] Node 0 [ 315.242034] ? print_usage_bug+0xc0/0xc0 [ 315.242065] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 315.242073] lowmem_reserve[]: [ 315.244304] ? __lock_acquire+0x7ec/0x4ec0 [ 315.248339] 0 0 [ 315.276807] ? __lock_acquire+0x7ec/0x4ec0 [ 315.279895] 0 [ 315.284122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.286065] 0 [ 315.290300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.292081] Node 0 [ 315.297614] ? should_fail+0x22d/0xd01 [ 315.299393] DMA: [ 315.304922] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.307134] 1*4kB [ 315.311015] ? __lock_acquire+0x7ec/0x4ec0 [ 315.313054] (U) [ 315.318154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.320285] 0*8kB [ 315.324511] ? __lock_acquire+0x7ec/0x4ec0 [ 315.326473] 0*16kB [ 315.331568] ? should_fail+0x22d/0xd01 [ 315.333700] 1*32kB [ 315.337954] ? mark_held_locks+0x130/0x130 [ 315.340165] (U) [ 315.344050] ? mark_held_locks+0x130/0x130 [ 315.346258] 2*64kB (U) [ 315.350493] ? graph_lock+0x170/0x170 [ 315.352458] 1*128kB [ 315.356687] ? print_usage_bug+0xc0/0xc0 [ 315.359248] (U) [ 315.363040] ? graph_lock+0x170/0x170 [ 315.365338] 1*256kB (U) [ 315.369398] ? print_usage_bug+0xc0/0xc0 [ 315.371355] 0*512kB [ 315.375150] ? wq_watchdog_touch+0x9c/0xfe [ 315.377801] 1*1024kB [ 315.381855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.384156] (U) [ 315.388387] ? check_preemption_disabled+0x48/0x280 [ 315.390777] 1*2048kB [ 315.396309] ? check_preemption_disabled+0x48/0x280 [ 315.398264] (M) [ 315.403282] ? __lock_is_held+0xb5/0x140 [ 315.405671] 3*4096kB [ 315.410686] __alloc_pages_nodemask+0xa80/0xde0 [ 315.412645] (M) [ 315.416700] ? graph_lock+0x170/0x170 [ 315.419087] = 15908kB [ 315.423754] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 315.425711] Node 0 [ 315.429503] ? graph_lock+0x170/0x170 [ 315.431892] DMA32: [ 315.436909] ? find_held_lock+0x36/0x1c0 [ 315.439119] 4*4kB [ 315.442920] ? ____cache_alloc_node+0x1c7/0x1e0 [ 315.445130] (UM) [ 315.449188] ? lock_downgrade+0x900/0x900 [ 315.451319] 2*8kB [ 315.455984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.458020] (UM) [ 315.462168] cache_grow_begin+0x91/0x8c0 [ 315.464289] 2*16kB (M) [ 315.469835] ? do_raw_spin_unlock+0xa7/0x330 [ 315.471868] 3*32kB (UM) [ 315.475939] fallback_alloc+0x203/0x2e0 [ 315.478498] 4*64kB [ 315.482899] ____cache_alloc_node+0x1c7/0x1e0 [ 315.485542] (M) [ 315.489512] kmem_cache_alloc_node+0xe3/0x730 [ 315.491725] 4*128kB [ 315.496212] ? ipv6_get_ifaddr+0x42e/0x620 [ 315.498164] (UM) [ 315.502659] __alloc_skb+0x119/0x770 [ 315.504953] 3*256kB [ 315.509184] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 315.511223] (M) [ 315.514934] ? skb_scrub_packet+0x490/0x490 [ 315.517235] 3*512kB [ 315.522508] ? lock_downgrade+0x900/0x900 [ 315.524466] (M) [ 315.528790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.531079] 3*1024kB (UM) [ 315.535236] ? refcount_sub_and_test_checked+0x203/0x310 [ 315.537186] 3*2048kB (M) [ 315.542725] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 315.545545] 3*4096kB (M) [ 315.550999] ? addrconf_rs_timer+0x690/0x690 [ 315.553734] = 24736kB [ 315.559187] ndisc_alloc_skb+0x144/0x340 [ 315.561913] Node 0 [ 315.566320] ndisc_send_rs+0x331/0x6e0 [ 315.568707] Normal: [ 315.572765] addrconf_rs_timer+0x314/0x690 [ 315.574978] 592*4kB [ 315.578857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.581156] (UMEH) [ 315.585398] call_timer_fn+0x272/0x920 [ 315.587688] 405*8kB [ 315.591914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.594129] (UMEH) [ 315.598016] ? process_timeout+0x40/0x40 [ 315.600309] 177*16kB (UME) [ 315.604544] ? find_held_lock+0x36/0x1c0 [ 315.606758] 103*32kB (UMH) [ 315.610839] ? __run_timers+0x7da/0xc70 [ 315.613737] 15*64kB (UMH) [ 315.617811] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.620722] 0*128kB [ 315.624688] ? _raw_spin_unlock_irq+0x27/0x80 [ 315.627509] 1*256kB [ 315.632000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.634303] (H) [ 315.638803] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 315.641106] 0*512kB [ 315.645336] ? trace_hardirqs_on+0xbd/0x310 [ 315.647299] 1*1024kB [ 315.651877] ? kasan_check_read+0x11/0x20 [ 315.654176] (H) [ 315.658492] ? __run_timers+0x7da/0xc70 [ 315.660878] 0*2048kB [ 315.665017] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.666973] 0*4096kB [ 315.670943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.673332] = 13976kB [ 315.673346] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 315.678788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.681178] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 315.685404] __run_timers+0x7e5/0xc70 [ 315.687790] 1241 total pagecache pages [ 315.696627] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 315.700840] 0 pages in swap cache [ 315.709407] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 315.713199] Swap cache stats: add 0, delete 0, find 0/0 [ 315.717072] ? graph_lock+0x170/0x170 [ 315.722411] Free swap = 0kB [ 315.722420] Total swap = 0kB [ 315.725885] ? enqueue_hrtimer+0x1a5/0x560 [ 315.730876] 1965979 pages RAM [ 315.736239] ? lock_release+0x970/0x970 [ 315.740014] 0 pages HighMem/MovableOnly [ 315.743026] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 315.746017] 342306 pages reserved [ 315.746025] 0 pages cma reserved [ 315.750256] ? find_held_lock+0x36/0x1c0 [ 315.753411] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 315.757483] ? graph_lock+0x170/0x170 [ 315.757498] ? pvclock_read_flags+0x160/0x160 [ 315.757517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.761530] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 315.766661] ? check_preemption_disabled+0x48/0x280 [ 315.770086] ksoftirqd/1 cpuset= [ 315.773464] ? __lock_is_held+0xb5/0x140 [ 315.777499] / [ 315.783987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.787768] mems_allowed=0 [ 315.792259] ? check_preemption_disabled+0x48/0x280 [ 315.835569] run_timer_softirq+0x52/0xb0 [ 315.839637] ? rcu_read_lock_sched_held+0x108/0x120 [ 315.844659] __do_softirq+0x30c/0xb03 [ 315.848483] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 315.853599] ? pvclock_read_flags+0x160/0x160 [ 315.858095] ? lapic_next_event+0x5a/0x90 [ 315.862247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.867794] ? check_preemption_disabled+0x48/0x280 [ 315.872811] ? check_preemption_disabled+0x48/0x280 [ 315.877840] ? kvm_clock_read+0x18/0x30 [ 315.881815] ? kvm_sched_clock_read+0x9/0x20 [ 315.886227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.891778] ? check_preemption_disabled+0x48/0x280 [ 315.896814] irq_exit+0x17f/0x1c0 [ 315.900278] smp_apic_timer_interrupt+0x1cb/0x760 [ 315.905125] ? smp_reschedule_interrupt+0x109/0x650 [ 315.910143] ? smp_call_function_single_interrupt+0x650/0x650 [ 315.916032] ? interrupt_entry+0xb5/0xf0 [ 315.920095] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.925112] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.930134] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.934981] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.940000] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.945020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.950564] ? check_preemption_disabled+0x48/0x280 [ 315.955580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.961128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.965986] apic_timer_interrupt+0xf/0x20 [ 315.970218] [ 315.972468] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 315.977422] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 315.996336] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 316.004046] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 316.011321] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 316.018588] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 316.025856] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 316.033125] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 316.040448] skb_clone+0x1bb/0x500 [ 316.043995] ? skb_split+0x11e0/0x11e0 [ 316.047888] ? check_preemption_disabled+0x48/0x280 [ 316.052912] ? __this_cpu_preempt_check+0x1c/0x20 [ 316.057760] ? __bpf_redirect+0x54b/0xb20 [ 316.061928] bpf_clone_redirect+0xb9/0x490 [ 316.066173] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 316.071197] ? __sched_text_start+0x8/0x8 [ 316.075366] ? find_held_lock+0x36/0x1c0 [ 316.079435] ? lock_acquire+0x1ed/0x520 [ 316.083421] ? bpf_test_run+0x3cb/0x780 [ 316.087416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.092964] ? check_preemption_disabled+0x48/0x280 [ 316.097989] ? kasan_check_read+0x11/0x20 [ 316.102142] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.107425] ? rcu_bh_qs+0xc0/0xc0 [ 316.110975] ? preempt_schedule+0x4d/0x60 [ 316.115129] ? ___preempt_schedule+0x16/0x18 [ 316.119552] ? bpf_test_run+0x25d/0x780 [ 316.123541] ? netlink_diag_dump+0x2a0/0x2a0 [ 316.127958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.133499] ? bpf_test_init.isra.10+0x70/0x100 [ 316.138177] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 316.142943] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 316.147791] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 316.153330] ? fput+0x130/0x1a0 [ 316.156611] ? __bpf_prog_get+0x9b/0x290 [ 316.160678] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 316.165524] ? bpf_prog_test_run+0x130/0x1a0 [ 316.169941] ? __x64_sys_bpf+0x3d8/0x520 [ 316.174007] ? bpf_prog_get+0x20/0x20 [ 316.177832] ? do_syscall_64+0x1b9/0x820 [ 316.181900] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 316.187272] ? syscall_return_slowpath+0x5e0/0x5e0 [ 316.192207] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.197231] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 316.202248] ? recalc_sigpending_tsk+0x180/0x180 [ 316.207010] ? kasan_check_write+0x14/0x20 [ 316.211257] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.216115] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 316.221498] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 316.221567] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 316.228430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.228435] Call Trace: [ 316.228465] dump_stack+0x1c4/0x2b6 [ 316.228486] ? dump_stack_print_info.cold.1+0x20/0x20 [ 316.235018] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 316.244335] warn_alloc.cold.119+0xb7/0x1bd [ 316.246889] syz-executor0 cpuset= [ 316.250515] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 316.255678] syz0 [ 316.266163] ? lock_downgrade+0x900/0x900 [ 316.270468] mems_allowed=0 [ 316.273916] ? trace_hardirqs_off+0xb8/0x310 [ 316.292152] ? trace_hardirqs_off+0xb8/0x310 [ 316.296575] __alloc_pages_slowpath+0x265e/0x2d70 [ 316.301460] ? warn_alloc+0x120/0x120 [ 316.305280] ? warn_alloc+0x120/0x120 [ 316.309093] ? print_usage_bug+0xc0/0xc0 [ 316.313163] ? warn_alloc+0x120/0x120 [ 316.316972] ? print_usage_bug+0xc0/0xc0 [ 316.321040] ? __lock_acquire+0x7ec/0x4ec0 [ 316.325284] ? __lock_acquire+0x7ec/0x4ec0 [ 316.329527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.335070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.340612] ? should_fail+0x22d/0xd01 [ 316.344511] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.349617] ? __lock_acquire+0x7ec/0x4ec0 [ 316.353859] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 316.358978] ? __lock_acquire+0x7ec/0x4ec0 [ 316.363215] ? should_fail+0x22d/0xd01 [ 316.367113] ? mark_held_locks+0x130/0x130 [ 316.371354] ? mark_held_locks+0x130/0x130 [ 316.375597] ? graph_lock+0x170/0x170 [ 316.379402] ? print_usage_bug+0xc0/0xc0 [ 316.383477] ? graph_lock+0x170/0x170 [ 316.387283] ? print_usage_bug+0xc0/0xc0 [ 316.391345] ? wq_watchdog_touch+0x9c/0xfe [ 316.395588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.401129] ? check_preemption_disabled+0x48/0x280 [ 316.406150] ? check_preemption_disabled+0x48/0x280 [ 316.411179] ? __lock_is_held+0xb5/0x140 [ 316.415255] __alloc_pages_nodemask+0xa80/0xde0 [ 316.419945] ? graph_lock+0x170/0x170 [ 316.423755] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 316.428771] ? graph_lock+0x170/0x170 [ 316.432590] ? find_held_lock+0x36/0x1c0 [ 316.436664] ? ____cache_alloc_node+0x1c7/0x1e0 [ 316.441336] ? lock_downgrade+0x900/0x900 [ 316.445494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.451038] cache_grow_begin+0x91/0x8c0 [ 316.455104] ? do_raw_spin_unlock+0xa7/0x330 [ 316.459523] fallback_alloc+0x203/0x2e0 [ 316.463507] ____cache_alloc_node+0x1c7/0x1e0 [ 316.468012] kmem_cache_alloc_node+0xe3/0x730 [ 316.472512] ? ipv6_get_ifaddr+0x42e/0x620 [ 316.476765] __alloc_skb+0x119/0x770 [ 316.480492] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.485777] ? skb_scrub_packet+0x490/0x490 [ 316.490107] ? lock_downgrade+0x900/0x900 [ 316.494276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.499848] ? refcount_sub_and_test_checked+0x203/0x310 [ 316.505312] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 316.510767] ? addrconf_rs_timer+0x690/0x690 [ 316.515192] ndisc_alloc_skb+0x144/0x340 [ 316.519264] ndisc_send_rs+0x331/0x6e0 [ 316.523165] addrconf_rs_timer+0x314/0x690 [ 316.527411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.531672] call_timer_fn+0x272/0x920 [ 316.535564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.539805] ? process_timeout+0x40/0x40 [ 316.543870] ? find_held_lock+0x36/0x1c0 [ 316.547941] ? __run_timers+0x7da/0xc70 [ 316.551920] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.556420] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.560925] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.565162] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 316.569752] ? trace_hardirqs_on+0xbd/0x310 [ 316.574079] ? kasan_check_read+0x11/0x20 [ 316.578235] ? __run_timers+0x7da/0xc70 [ 316.582219] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.587678] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.591918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 316.596155] __run_timers+0x7e5/0xc70 [ 316.599970] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 316.605342] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.609841] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.614339] ? lockdep_hardirqs_on+0x421/0x5c0 [ 316.618930] ? trace_hardirqs_on+0xbd/0x310 [ 316.623493] ? kasan_check_read+0x11/0x20 [ 316.627647] ? finish_task_switch+0x1f4/0x910 [ 316.632147] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.637598] ? compat_start_thread+0x80/0x80 [ 316.642013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.647562] ? _raw_spin_unlock_irq+0x60/0x80 [ 316.652071] ? pvclock_read_flags+0x160/0x160 [ 316.656571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.662118] ? check_preemption_disabled+0x48/0x280 [ 316.667152] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 316.672435] ? rcu_pm_notify+0xc0/0xc0 [ 316.676344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.681891] ? check_preemption_disabled+0x48/0x280 [ 316.686921] run_timer_softirq+0x52/0xb0 [ 316.690984] ? rcu_read_lock_sched_held+0x108/0x120 [ 316.696004] __do_softirq+0x30c/0xb03 [ 316.699818] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 316.704925] ? trace_hardirqs_off+0x310/0x310 [ 316.709424] ? trace_hardirqs_on+0x310/0x310 [ 316.713850] ? schedule+0x108/0x460 [ 316.717482] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 316.722260] ? trace_hardirqs_off+0xb8/0x310 [ 316.726679] ? smpboot_thread_fn+0x68b/0xa00 [ 316.731100] ? trace_hardirqs_on+0x310/0x310 [ 316.735517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.741065] ? check_preemption_disabled+0x48/0x280 [ 316.746090] ? takeover_tasklets+0xa90/0xa90 [ 316.750521] run_ksoftirqd+0x94/0x100 [ 316.754326] smpboot_thread_fn+0x68b/0xa00 [ 316.758565] ? sort_range+0x30/0x30 [ 316.762198] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 316.767310] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.772848] ? __kthread_parkme+0xfb/0x1a0 [ 316.777092] kthread+0x35a/0x420 [ 316.780467] ? sort_range+0x30/0x30 [ 316.784097] ? kthread_bind+0x40/0x40 [ 316.787910] ret_from_fork+0x3a/0x50 [ 316.791649] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 316.791654] warn_alloc_show_mem: 1 callbacks suppressed [ 316.791662] Mem-Info: [ 316.799020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.804391] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 316.804391] active_file:11 inactive_file:12 isolated_file:0 [ 316.804391] unevictable:0 dirty:0 writeback:0 unstable:0 [ 316.804391] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 316.804391] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 316.804391] free:13647 free_pcp:360 free_cma:0 [ 316.806763] Call Trace: [ 316.816165] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 316.849195] [ 316.851778] Node 0 [ 316.879460] dump_stack+0x1c4/0x2b6 [ 316.881608] 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 [ 316.883821] ? dump_stack_print_info.cold.1+0x20/0x20 [ 316.887419] lowmem_reserve[]: 0 [ 316.912945] warn_alloc.cold.119+0xb7/0x1bd [ 316.918106] 2819 [ 316.921380] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 316.925672] 6323 6323 [ 316.927740] ? lock_downgrade+0x900/0x900 [ 316.935056] ? trace_hardirqs_off+0xb8/0x310 [ 316.939181] Node 0 DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 316.943614] ? trace_hardirqs_off+0xb8/0x310 [ 316.943637] __alloc_pages_slowpath+0x265e/0x2d70 [ 316.970930] lowmem_reserve[]: 0 [ 316.975381] ? warn_alloc+0x120/0x120 [ 316.980168] 0 [ 316.983454] ? lock_release+0x970/0x970 [ 316.987230] 3503 [ 316.989026] ? warn_alloc+0x120/0x120 [ 316.992971] 3503 [ 316.995040] ? print_usage_bug+0xc0/0xc0 [ 316.998816] Node 0 [ 317.000874] ? warn_alloc+0x120/0x120 [ 317.004938] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 317.007141] ? print_usage_bug+0xc0/0xc0 [ 317.010917] lowmem_reserve[]: [ 317.039379] ? __lock_acquire+0x7ec/0x4ec0 [ 317.043411] 0 0 [ 317.046533] ? __lock_acquire+0x7ec/0x4ec0 [ 317.050747] 0 [ 317.052730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.056943] 0 [ 317.058747] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.066063] ? should_fail+0x22d/0xd01 [ 317.071576] Node 0 DMA: [ 317.075468] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.075485] ? __lock_acquire+0x7ec/0x4ec0 [ 317.078135] 1*4kB [ 317.083234] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.087453] (U) [ 317.089598] ? __lock_acquire+0x7ec/0x4ec0 [ 317.094674] 0*8kB 0*16kB [ 317.096655] ? should_fail+0x22d/0xd01 [ 317.100862] 1*32kB (U) [ 317.103630] ? mark_held_locks+0x130/0x130 [ 317.107490] 2*64kB [ 317.110070] ? mark_held_locks+0x130/0x130 [ 317.114278] (U) [ 317.116513] ? graph_lock+0x170/0x170 [ 317.120725] 1*128kB [ 317.122698] ? print_usage_bug+0xc0/0xc0 [ 317.126475] (U) [ 317.128799] ? graph_lock+0x170/0x170 [ 317.132836] 1*256kB (U) [ 317.134817] ? print_usage_bug+0xc0/0xc0 [ 317.138593] 0*512kB [ 317.141257] ? wq_watchdog_touch+0x9c/0xfe [ 317.145299] 1*1024kB [ 317.147620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.151833] (U) [ 317.154242] ? check_preemption_disabled+0x48/0x280 [ 317.159746] 1*2048kB (M) [ 317.161735] ? check_preemption_disabled+0x48/0x280 [ 317.166724] 3*4096kB [ 317.169484] ? __lock_is_held+0xb5/0x140 [ 317.174471] (M) [ 317.176881] __alloc_pages_nodemask+0xa80/0xde0 [ 317.180916] = 15908kB [ 317.182887] ? graph_lock+0x170/0x170 [ 317.187532] Node 0 [ 317.189941] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 317.193721] DMA32: [ 317.195949] ? graph_lock+0x170/0x170 [ 317.200942] 4*4kB [ 317.203181] ? find_held_lock+0x36/0x1c0 [ 317.206952] (UM) [ 317.209101] ? ____cache_alloc_node+0x1c7/0x1e0 [ 317.213132] 2*8kB [ 317.215187] ? lock_downgrade+0x900/0x900 [ 317.219823] (UM) 2*16kB [ 317.221979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.226096] (M) 3*32kB [ 317.228782] cache_grow_begin+0x91/0x8c0 [ 317.234290] (UM) [ 317.236871] ? do_raw_spin_unlock+0xa7/0x330 [ 317.240907] 4*64kB [ 317.242977] fallback_alloc+0x203/0x2e0 [ 317.247357] (M) [ 317.249591] ____cache_alloc_node+0x1c7/0x1e0 [ 317.253539] 4*128kB [ 317.255519] kmem_cache_alloc_node+0xe3/0x730 [ 317.259988] (UM) [ 317.262307] ? ipv6_get_ifaddr+0x42e/0x620 [ 317.266775] 3*256kB (M) [ 317.268846] __alloc_skb+0x119/0x770 [ 317.273050] 3*512kB [ 317.275747] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.279431] (M) [ 317.281756] ? skb_scrub_packet+0x490/0x490 [ 317.287007] 3*1024kB [ 317.288976] ? lock_downgrade+0x900/0x900 [ 317.293277] (UM) [ 317.295683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.299801] 3*2048kB [ 317.301863] ? refcount_sub_and_test_checked+0x203/0x310 [ 317.307368] (M) 3*4096kB [ 317.309790] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 317.315245] (M) [ 317.318002] ? addrconf_rs_timer+0x690/0x690 [ 317.323426] = 24736kB [ 317.325408] ndisc_alloc_skb+0x144/0x340 [ 317.329786] Node 0 [ 317.332193] ndisc_send_rs+0x331/0x6e0 [ 317.336230] Normal: [ 317.338468] addrconf_rs_timer+0x314/0x690 [ 317.342335] 592*4kB [ 317.344655] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.348863] (UMEH) [ 317.351210] call_timer_fn+0x272/0x920 [ 317.355428] 405*8kB [ 317.357683] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.361543] (UMEH) 177*16kB [ 317.363869] ? process_timeout+0x40/0x40 [ 317.368077] (UME) [ 317.371088] ? find_held_lock+0x36/0x1c0 [ 317.375129] 103*32kB [ 317.377275] ? __run_timers+0x7da/0xc70 [ 317.381315] (UMH) [ 317.383726] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.387675] 15*64kB [ 317.389817] ? _raw_spin_unlock_irq+0x27/0x80 [ 317.394293] (UMH) [ 317.396611] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.401087] 0*128kB [ 317.403233] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 317.407451] 1*256kB [ 317.409777] ? trace_hardirqs_on+0xbd/0x310 [ 317.414327] (H) [ 317.416648] ? kasan_check_read+0x11/0x20 [ 317.420944] 0*512kB [ 317.422919] ? __run_timers+0x7da/0xc70 [ 317.427040] 1*1024kB [ 317.429358] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 317.433307] (H) [ 317.435714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.441144] 0*2048kB [ 317.443117] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.447331] 0*4096kB [ 317.449738] __run_timers+0x7e5/0xc70 [ 317.453954] = 13976kB [ 317.456369] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 317.460144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 317.462544] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 317.462561] ? graph_lock+0x170/0x170 [ 317.467910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 317.476733] ? enqueue_hrtimer+0x1a5/0x560 [ 317.481727] 1241 total pagecache pages [ 317.485520] ? lock_release+0x970/0x970 [ 317.494082] 0 pages in swap cache [ 317.498315] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 317.502180] Swap cache stats: add 0, delete 0, find 0/0 [ 317.506153] ? find_held_lock+0x36/0x1c0 [ 317.509584] Free swap = 0kB [ 317.514766] ? graph_lock+0x170/0x170 [ 317.520101] Total swap = 0kB [ 317.520109] 1965979 pages RAM [ 317.524164] ? pvclock_read_flags+0x160/0x160 [ 317.527157] 0 pages HighMem/MovableOnly [ 317.527165] 342306 pages reserved [ 317.530960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.533964] 0 pages cma reserved [ 317.537067] ? check_preemption_disabled+0x48/0x280 [ 317.541611] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 317.545511] ? __lock_is_held+0xb5/0x140 [ 317.549038] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 317.554474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.557839] ksoftirqd/1 cpuset= [ 317.562863] ? check_preemption_disabled+0x48/0x280 [ 317.569326] / [ 317.573387] run_timer_softirq+0x52/0xb0 [ 317.583677] mems_allowed=0 [ 317.589206] ? rcu_read_lock_sched_held+0x108/0x120 [ 317.611153] __do_softirq+0x30c/0xb03 [ 317.614974] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 317.620089] ? pvclock_read_flags+0x160/0x160 [ 317.624592] ? lapic_next_event+0x5a/0x90 [ 317.628745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.634292] ? check_preemption_disabled+0x48/0x280 [ 317.639309] ? check_preemption_disabled+0x48/0x280 [ 317.644334] ? kvm_clock_read+0x18/0x30 [ 317.648314] ? kvm_sched_clock_read+0x9/0x20 [ 317.652733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.658279] ? check_preemption_disabled+0x48/0x280 [ 317.663310] irq_exit+0x17f/0x1c0 [ 317.666777] smp_apic_timer_interrupt+0x1cb/0x760 [ 317.671626] ? smp_reschedule_interrupt+0x109/0x650 [ 317.676650] ? smp_call_function_single_interrupt+0x650/0x650 [ 317.682542] ? interrupt_entry+0xb5/0xf0 [ 317.686607] ? trace_hardirqs_off_caller+0xbb/0x310 [ 317.691626] ? trace_hardirqs_off_caller+0xbb/0x310 [ 317.696646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.701492] ? trace_hardirqs_on_caller+0x310/0x310 [ 317.706508] ? trace_hardirqs_on_caller+0x310/0x310 [ 317.711526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.717070] ? check_preemption_disabled+0x48/0x280 [ 317.722088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.727639] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.732496] apic_timer_interrupt+0xf/0x20 [ 317.736726] [ 317.738971] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 317.743903] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 317.763025] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 317.770743] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 317.778016] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 317.785289] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 317.792557] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 317.799828] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 317.807143] skb_clone+0x1bb/0x500 [ 317.810690] ? skb_split+0x11e0/0x11e0 [ 317.814581] ? check_preemption_disabled+0x48/0x280 [ 317.819609] ? __this_cpu_preempt_check+0x1c/0x20 [ 317.824464] ? __bpf_redirect+0x54b/0xb20 [ 317.828629] bpf_clone_redirect+0xb9/0x490 [ 317.832875] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 317.837895] ? __sched_text_start+0x8/0x8 [ 317.842058] ? find_held_lock+0x36/0x1c0 [ 317.846127] ? lock_acquire+0x1ed/0x520 [ 317.850103] ? bpf_test_run+0x3cb/0x780 [ 317.854080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.859629] ? check_preemption_disabled+0x48/0x280 [ 317.864659] ? kasan_check_read+0x11/0x20 [ 317.868814] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 317.874092] ? rcu_bh_qs+0xc0/0xc0 [ 317.877637] ? preempt_schedule+0x4d/0x60 [ 317.881795] ? ___preempt_schedule+0x16/0x18 [ 317.886216] ? bpf_test_run+0x25d/0x780 [ 317.890207] ? netlink_diag_dump+0x2a0/0x2a0 [ 317.894624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.900162] ? bpf_test_init.isra.10+0x70/0x100 [ 317.904843] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 317.909612] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 317.914465] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 317.920009] ? fput+0x130/0x1a0 [ 317.923295] ? __bpf_prog_get+0x9b/0x290 [ 317.927366] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 317.932211] ? bpf_prog_test_run+0x130/0x1a0 [ 317.936629] ? __x64_sys_bpf+0x3d8/0x520 [ 317.940691] ? bpf_prog_get+0x20/0x20 [ 317.944513] ? do_syscall_64+0x1b9/0x820 [ 317.948580] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 317.953950] ? syscall_return_slowpath+0x5e0/0x5e0 [ 317.958888] ? trace_hardirqs_on_caller+0x310/0x310 [ 317.963906] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 317.968925] ? recalc_sigpending_tsk+0x180/0x180 [ 317.973688] ? kasan_check_write+0x14/0x20 [ 317.977934] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.982793] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 317.988179] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 317.988252] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 317.995113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 317.995122] Call Trace: [ 318.001733] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 318.010977] dump_stack+0x1c4/0x2b6 [ 318.013540] syz-executor0 cpuset= [ 318.024027] ? dump_stack_print_info.cold.1+0x20/0x20 [ 318.027624] syz0 [ 318.031257] warn_alloc.cold.119+0xb7/0x1bd [ 318.036415] mems_allowed=0 [ 318.038384] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.050440] ? lock_downgrade+0x900/0x900 [ 318.054610] ? trace_hardirqs_off+0xb8/0x310 [ 318.059029] ? trace_hardirqs_off+0xb8/0x310 [ 318.063459] __alloc_pages_slowpath+0x265e/0x2d70 [ 318.068338] ? warn_alloc+0x120/0x120 [ 318.072149] ? warn_alloc+0x120/0x120 [ 318.075970] ? print_usage_bug+0xc0/0xc0 [ 318.080040] ? warn_alloc+0x120/0x120 [ 318.083848] ? print_usage_bug+0xc0/0xc0 [ 318.087915] ? __lock_acquire+0x7ec/0x4ec0 [ 318.092155] ? __lock_acquire+0x7ec/0x4ec0 [ 318.096392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.102111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.107656] ? should_fail+0x22d/0xd01 [ 318.111552] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.116664] ? __lock_acquire+0x7ec/0x4ec0 [ 318.120908] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.126028] ? __lock_acquire+0x7ec/0x4ec0 [ 318.130264] ? should_fail+0x22d/0xd01 [ 318.134170] ? mark_held_locks+0x130/0x130 [ 318.138413] ? mark_held_locks+0x130/0x130 [ 318.142665] ? mark_held_locks+0xc7/0x130 [ 318.146816] ? print_usage_bug+0xc0/0xc0 [ 318.150913] ? graph_lock+0x170/0x170 [ 318.154721] ? print_usage_bug+0xc0/0xc0 [ 318.158792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.164338] ? check_preemption_disabled+0x48/0x280 [ 318.169359] ? check_preemption_disabled+0x48/0x280 [ 318.174394] ? __lock_is_held+0xb5/0x140 [ 318.178476] __alloc_pages_nodemask+0xa80/0xde0 [ 318.183162] ? graph_lock+0x170/0x170 [ 318.186972] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 318.191991] ? graph_lock+0x170/0x170 [ 318.195817] ? find_held_lock+0x36/0x1c0 [ 318.199896] ? ____cache_alloc_node+0x1c7/0x1e0 [ 318.204577] ? lock_downgrade+0x900/0x900 [ 318.208739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.214292] cache_grow_begin+0x91/0x8c0 [ 318.218359] ? do_raw_spin_unlock+0xa7/0x330 [ 318.222779] fallback_alloc+0x203/0x2e0 [ 318.226768] ____cache_alloc_node+0x1c7/0x1e0 [ 318.231286] kmem_cache_alloc_node+0xe3/0x730 [ 318.235783] ? ipv6_get_ifaddr+0x42e/0x620 [ 318.240053] __alloc_skb+0x119/0x770 [ 318.243774] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 318.249070] ? skb_scrub_packet+0x490/0x490 [ 318.253399] ? lock_downgrade+0x900/0x900 [ 318.257573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.263124] ? refcount_sub_and_test_checked+0x203/0x310 [ 318.268587] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 318.274057] ? addrconf_rs_timer+0x690/0x690 [ 318.278503] ndisc_alloc_skb+0x144/0x340 [ 318.282583] ndisc_send_rs+0x331/0x6e0 [ 318.286492] addrconf_rs_timer+0x314/0x690 [ 318.290749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.295011] call_timer_fn+0x272/0x920 [ 318.298913] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.303163] ? process_timeout+0x40/0x40 [ 318.307237] ? find_held_lock+0x36/0x1c0 [ 318.311323] ? __run_timers+0x7da/0xc70 [ 318.315315] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.319823] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.324326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.328565] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 318.333154] ? trace_hardirqs_on+0xbd/0x310 [ 318.337485] ? kasan_check_read+0x11/0x20 [ 318.341640] ? __run_timers+0x7da/0xc70 [ 318.345619] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.351080] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.355327] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 318.359569] __run_timers+0x7e5/0xc70 [ 318.363388] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 318.368771] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.373282] ? _raw_spin_unlock_irq+0x27/0x80 [ 318.377784] ? lockdep_hardirqs_on+0x421/0x5c0 [ 318.382380] ? trace_hardirqs_on+0xbd/0x310 [ 318.386711] ? kasan_check_read+0x11/0x20 [ 318.390865] ? finish_task_switch+0x1f4/0x910 [ 318.395364] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.400817] ? compat_start_thread+0x80/0x80 [ 318.405231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.410775] ? _raw_spin_unlock_irq+0x60/0x80 [ 318.415286] ? pvclock_read_flags+0x160/0x160 [ 318.419786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.425331] ? check_preemption_disabled+0x48/0x280 [ 318.430367] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 318.435647] ? rcu_pm_notify+0xc0/0xc0 [ 318.439540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.445083] ? check_preemption_disabled+0x48/0x280 [ 318.450110] run_timer_softirq+0x52/0xb0 [ 318.454178] ? rcu_read_lock_sched_held+0x108/0x120 [ 318.459199] __do_softirq+0x30c/0xb03 [ 318.463018] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 318.468126] ? trace_hardirqs_off+0x310/0x310 [ 318.472627] ? trace_hardirqs_on+0x310/0x310 [ 318.477043] ? schedule+0x108/0x460 [ 318.480674] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 318.485452] ? trace_hardirqs_off+0xb8/0x310 [ 318.489873] ? smpboot_thread_fn+0x68b/0xa00 [ 318.494291] ? trace_hardirqs_on+0x310/0x310 [ 318.498713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.504266] ? check_preemption_disabled+0x48/0x280 [ 318.509301] ? takeover_tasklets+0xa90/0xa90 [ 318.513722] run_ksoftirqd+0x94/0x100 [ 318.517531] smpboot_thread_fn+0x68b/0xa00 [ 318.521772] ? sort_range+0x30/0x30 [ 318.525409] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 318.530533] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.536091] ? __kthread_parkme+0xfb/0x1a0 [ 318.540347] kthread+0x35a/0x420 [ 318.543721] ? sort_range+0x30/0x30 [ 318.547360] ? kthread_bind+0x40/0x40 [ 318.551170] ret_from_fork+0x3a/0x50 [ 318.554922] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 318.554928] warn_alloc_show_mem: 1 callbacks suppressed [ 318.554935] Mem-Info: [ 318.562291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.562300] Call Trace: [ 318.567786] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 318.567786] active_file:11 inactive_file:12 isolated_file:0 [ 318.567786] unevictable:0 dirty:0 writeback:0 unstable:0 [ 318.567786] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 318.567786] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 318.567786] free:13647 free_pcp:360 free_cma:0 [ 318.570165] [ 318.579528] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 318.582118] dump_stack+0x1c4/0x2b6 [ 318.615157] Node 0 [ 318.617323] ? dump_stack_print_info.cold.1+0x20/0x20 [ 318.645345] 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 [ 318.648959] warn_alloc.cold.119+0xb7/0x1bd [ 318.651154] lowmem_reserve[]: [ 318.656339] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.681817] 0 2819 [ 318.686149] ? lock_downgrade+0x900/0x900 [ 318.689217] 6323 6323 [ 318.694069] ? trace_hardirqs_off+0xb8/0x310 [ 318.700437] ? trace_hardirqs_off+0xb8/0x310 [ 318.702922] Node 0 [ 318.707328] __alloc_pages_slowpath+0x265e/0x2d70 [ 318.711730] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 318.713962] ? warn_alloc+0x120/0x120 [ 318.718754] lowmem_reserve[]: [ 318.745478] ? trace_hardirqs_on+0x310/0x310 [ 318.749424] 0 0 [ 318.752542] ? warn_alloc+0x120/0x120 [ 318.756920] 3503 3503 [ 318.758904] ? print_usage_bug+0xc0/0xc0 [ 318.765184] ? warn_alloc+0x120/0x120 [ 318.769219] Node 0 [ 318.773013] ? ktime_get+0x2e1/0x440 [ 318.773049] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 318.775256] ? print_usage_bug+0xc0/0xc0 [ 318.778974] lowmem_reserve[]: 0 [ 318.807434] ? __lock_acquire+0x7ec/0x4ec0 [ 318.811480] 0 [ 318.814753] ? __lock_acquire+0x7ec/0x4ec0 [ 318.818962] 0 0 [ 318.820771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.824979] Node 0 [ 318.826951] ? should_fail+0x22d/0xd01 [ 318.832471] DMA: [ 318.834705] ? __lock_acquire+0x7ec/0x4ec0 [ 318.838572] 1*4kB [ 318.840635] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.844842] (U) [ 318.846992] ? __lock_acquire+0x7ec/0x4ec0 [ 318.852071] 0*8kB [ 318.854043] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.858248] 0*16kB 1*32kB [ 318.860401] ? __lock_acquire+0x7ec/0x4ec0 [ 318.865483] (U) [ 318.868322] ? should_fail+0x22d/0xd01 [ 318.872531] 2*64kB (U) [ 318.874515] ? mark_held_locks+0x130/0x130 [ 318.878370] 1*128kB (U) [ 318.880960] ? mark_held_locks+0x130/0x130 [ 318.885168] 1*256kB (U) [ 318.887851] ? graph_lock+0x170/0x170 [ 318.892061] 0*512kB [ 318.894724] ? print_usage_bug+0xc0/0xc0 [ 318.898505] 1*1024kB [ 318.900826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.904858] (U) [ 318.907269] ? check_preemption_disabled+0x48/0x280 [ 318.912775] 1*2048kB (M) [ 318.914759] ? check_preemption_disabled+0x48/0x280 [ 318.919753] 3*4096kB [ 318.922520] ? __lock_is_held+0xb5/0x140 [ 318.927506] (M) [ 318.929920] __alloc_pages_nodemask+0xa80/0xde0 [ 318.933964] = 15908kB [ 318.935926] ? graph_lock+0x170/0x170 [ 318.940575] Node 0 [ 318.942984] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 318.946765] DMA32: [ 318.949004] ? graph_lock+0x170/0x170 [ 318.953997] 4*4kB [ 318.956234] ? find_held_lock+0x36/0x1c0 [ 318.960003] (UM) [ 318.962152] ? ____cache_alloc_node+0x1c7/0x1e0 [ 318.966189] 2*8kB [ 318.968245] ? lock_downgrade+0x900/0x900 [ 318.972889] (UM) [ 318.975038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.979160] 2*16kB [ 318.981218] cache_grow_begin+0x91/0x8c0 [ 318.986732] (M) [ 318.988964] ? do_raw_spin_unlock+0xa7/0x330 [ 318.993002] 3*32kB [ 318.994976] fallback_alloc+0x203/0x2e0 [ 318.999351] (UM) 4*64kB [ 319.001598] ____cache_alloc_node+0x1c7/0x1e0 [ 319.005542] (M) [ 319.008211] kmem_cache_alloc_node+0xe3/0x730 [ 319.012681] 4*128kB (UM) [ 319.014666] ? ipv6_get_ifaddr+0x42e/0x620 [ 319.019137] 3*256kB [ 319.021893] __alloc_skb+0x119/0x770 [ 319.026098] (M) [ 319.028424] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.032165] 3*512kB [ 319.034137] ? skb_scrub_packet+0x490/0x490 [ 319.039382] (M) 3*1024kB [ 319.041711] ? lock_downgrade+0x900/0x900 [ 319.046011] (UM) [ 319.048783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.052900] 3*2048kB [ 319.054958] ? refcount_sub_and_test_checked+0x203/0x310 [ 319.060471] (M) [ 319.062876] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 319.068307] 3*4096kB [ 319.070277] ? addrconf_rs_timer+0x690/0x690 [ 319.075702] (M) = 24736kB [ 319.078125] ndisc_alloc_skb+0x144/0x340 [ 319.082501] Node 0 [ 319.085254] ndisc_send_rs+0x331/0x6e0 [ 319.089303] Normal: [ 319.091537] addrconf_rs_timer+0x314/0x690 [ 319.095399] 592*4kB [ 319.097719] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.101927] (UMEH) [ 319.104256] call_timer_fn+0x272/0x920 [ 319.108462] 405*8kB [ 319.110690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.114553] (UMEH) [ 319.116872] ? process_timeout+0x40/0x40 [ 319.121077] 177*16kB (UME) [ 319.123316] ? find_held_lock+0x36/0x1c0 [ 319.127347] 103*32kB (UMH) [ 319.130292] ? __run_timers+0x7da/0xc70 [ 319.134322] 15*64kB (UMH) [ 319.137262] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.141214] 0*128kB [ 319.144056] ? _raw_spin_unlock_irq+0x27/0x80 [ 319.148523] 1*256kB (H) [ 319.150849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.155332] 0*512kB [ 319.158001] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 319.162210] 1*1024kB [ 319.164527] ? trace_hardirqs_on+0xbd/0x310 [ 319.169081] (H) [ 319.171494] ? kasan_check_read+0x11/0x20 [ 319.175791] 0*2048kB [ 319.177762] ? __run_timers+0x7da/0xc70 [ 319.181884] 0*4096kB [ 319.184288] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.184315] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.188256] = 13976kB [ 319.190661] __run_timers+0x7e5/0xc70 [ 319.196092] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 319.200325] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 319.202711] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 319.206502] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 319.215314] 1241 total pagecache pages [ 319.220670] ? graph_lock+0x170/0x170 [ 319.229227] 0 pages in swap cache [ 319.234233] ? enqueue_hrtimer+0x1a5/0x560 [ 319.238101] Swap cache stats: add 0, delete 0, find 0/0 [ 319.241890] ? lock_release+0x970/0x970 [ 319.245319] Free swap = 0kB [ 319.249545] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 319.254881] Total swap = 0kB [ 319.254889] 1965979 pages RAM [ 319.258861] ? find_held_lock+0x36/0x1c0 [ 319.261855] 0 pages HighMem/MovableOnly [ 319.261864] 342306 pages reserved [ 319.267050] ? graph_lock+0x170/0x170 [ 319.270045] 0 pages cma reserved [ 319.273149] ? pvclock_read_flags+0x160/0x160 [ 319.277258] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 319.281156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.284640] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 319.288385] ? check_preemption_disabled+0x48/0x280 [ 319.291728] ksoftirqd/1 cpuset= [ 319.296226] ? __lock_is_held+0xb5/0x140 [ 319.302688] / [ 319.308220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.318515] mems_allowed=0 [ 319.323529] ? check_preemption_disabled+0x48/0x280 [ 319.345997] run_timer_softirq+0x52/0xb0 [ 319.350064] ? rcu_read_lock_sched_held+0x108/0x120 [ 319.355087] __do_softirq+0x30c/0xb03 [ 319.358903] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 319.364016] ? pvclock_read_flags+0x160/0x160 [ 319.368524] ? lapic_next_event+0x5a/0x90 [ 319.372679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.378219] ? check_preemption_disabled+0x48/0x280 [ 319.383236] ? check_preemption_disabled+0x48/0x280 [ 319.388259] ? kvm_clock_read+0x18/0x30 [ 319.392237] ? kvm_sched_clock_read+0x9/0x20 [ 319.396650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.402189] ? check_preemption_disabled+0x48/0x280 [ 319.407219] irq_exit+0x17f/0x1c0 [ 319.410679] smp_apic_timer_interrupt+0x1cb/0x760 [ 319.415520] ? smp_reschedule_interrupt+0x109/0x650 [ 319.420540] ? smp_call_function_single_interrupt+0x650/0x650 [ 319.426426] ? interrupt_entry+0xb5/0xf0 [ 319.430503] ? trace_hardirqs_off_caller+0xbb/0x310 [ 319.435520] ? trace_hardirqs_off_caller+0xbb/0x310 [ 319.440541] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.445387] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.450412] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.455436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.460992] ? check_preemption_disabled+0x48/0x280 [ 319.466014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.471560] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.476414] apic_timer_interrupt+0xf/0x20 [ 319.480650] [ 319.482893] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 319.487828] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 319.506734] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 319.514462] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 319.521735] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 319.529003] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 319.536270] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 319.543542] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 319.550860] skb_clone+0x1bb/0x500 [ 319.554405] ? skb_split+0x11e0/0x11e0 [ 319.558299] ? check_preemption_disabled+0x48/0x280 [ 319.563325] ? __this_cpu_preempt_check+0x1c/0x20 [ 319.568171] ? __bpf_redirect+0x54b/0xb20 [ 319.572336] bpf_clone_redirect+0xb9/0x490 [ 319.576584] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 319.581608] ? __sched_text_start+0x8/0x8 [ 319.585781] ? find_held_lock+0x36/0x1c0 [ 319.589854] ? lock_acquire+0x1ed/0x520 [ 319.593835] ? bpf_test_run+0x3cb/0x780 [ 319.597816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.603360] ? check_preemption_disabled+0x48/0x280 [ 319.608391] ? kasan_check_read+0x11/0x20 [ 319.612546] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.617827] ? rcu_bh_qs+0xc0/0xc0 [ 319.621373] ? preempt_schedule+0x4d/0x60 [ 319.625525] ? ___preempt_schedule+0x16/0x18 [ 319.629948] ? bpf_test_run+0x25d/0x780 [ 319.633936] ? netlink_diag_dump+0x2a0/0x2a0 [ 319.638352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.643896] ? bpf_test_init.isra.10+0x70/0x100 [ 319.648576] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 319.653362] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 319.658233] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 319.663780] ? fput+0x130/0x1a0 [ 319.667069] ? __bpf_prog_get+0x9b/0x290 [ 319.671139] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 319.675982] ? bpf_prog_test_run+0x130/0x1a0 [ 319.680412] ? __x64_sys_bpf+0x3d8/0x520 [ 319.684486] ? bpf_prog_get+0x20/0x20 [ 319.688316] ? do_syscall_64+0x1b9/0x820 [ 319.692386] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 319.697754] ? syscall_return_slowpath+0x5e0/0x5e0 [ 319.702692] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.707713] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 319.712732] ? recalc_sigpending_tsk+0x180/0x180 [ 319.717493] ? kasan_check_write+0x14/0x20 [ 319.721739] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.726603] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 319.731991] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 319.732062] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 319.738923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.738928] Call Trace: [ 319.738949] dump_stack+0x1c4/0x2b6 [ 319.738972] ? dump_stack_print_info.cold.1+0x20/0x20 [ 319.745510] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 319.755300] warn_alloc.cold.119+0xb7/0x1bd [ 319.755310] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 319.755321] ? lock_downgrade+0x900/0x900 [ 319.755334] ? trace_hardirqs_off+0xb8/0x310 [ 319.755345] ? trace_hardirqs_off+0xb8/0x310 [ 319.755357] __alloc_pages_slowpath+0x265e/0x2d70 [ 319.755380] ? warn_alloc+0x120/0x120 [ 319.755391] ? warn_alloc+0x120/0x120 [ 319.755399] ? print_usage_bug+0xc0/0xc0 [ 319.755407] ? warn_alloc+0x120/0x120 [ 319.755415] ? print_usage_bug+0xc0/0xc0 [ 319.755425] ? __lock_acquire+0x7ec/0x4ec0 [ 319.755432] ? __lock_acquire+0x7ec/0x4ec0 [ 319.755441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.755465] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.755483] ? should_fail+0x22d/0xd01 [ 319.758054] syz-executor0 cpuset= [ 319.761678] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.766849] syz0 [ 319.777340] ? __lock_acquire+0x7ec/0x4ec0 [ 319.781639] mems_allowed=0 [ 319.786483] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.869892] ? __lock_acquire+0x7ec/0x4ec0 [ 319.874133] ? should_fail+0x22d/0xd01 [ 319.878039] ? mark_held_locks+0x130/0x130 [ 319.882286] ? mark_held_locks+0x130/0x130 [ 319.886526] ? graph_lock+0x170/0x170 [ 319.890335] ? print_usage_bug+0xc0/0xc0 [ 319.894401] ? graph_lock+0x170/0x170 [ 319.898203] ? print_usage_bug+0xc0/0xc0 [ 319.902266] ? wq_watchdog_touch+0x9c/0xfe [ 319.906514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.912061] ? check_preemption_disabled+0x48/0x280 [ 319.917084] ? check_preemption_disabled+0x48/0x280 [ 319.922116] ? __lock_is_held+0xb5/0x140 [ 319.926189] __alloc_pages_nodemask+0xa80/0xde0 [ 319.930866] ? graph_lock+0x170/0x170 [ 319.934675] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 319.939695] ? graph_lock+0x170/0x170 [ 319.943510] ? find_held_lock+0x36/0x1c0 [ 319.947587] ? ____cache_alloc_node+0x1c7/0x1e0 [ 319.952260] ? lock_downgrade+0x900/0x900 [ 319.956422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.961977] cache_grow_begin+0x91/0x8c0 [ 319.966043] ? do_raw_spin_unlock+0xa7/0x330 [ 319.970474] fallback_alloc+0x203/0x2e0 [ 319.974466] ____cache_alloc_node+0x1c7/0x1e0 [ 319.978973] kmem_cache_alloc_node+0xe3/0x730 [ 319.983478] ? ipv6_get_ifaddr+0x42e/0x620 [ 319.987727] __alloc_skb+0x119/0x770 [ 319.991457] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 319.996744] ? skb_scrub_packet+0x490/0x490 [ 320.001068] ? lock_downgrade+0x900/0x900 [ 320.005228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.010770] ? refcount_sub_and_test_checked+0x203/0x310 [ 320.016230] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 320.021686] ? addrconf_rs_timer+0x690/0x690 [ 320.026115] ndisc_alloc_skb+0x144/0x340 [ 320.030185] ndisc_send_rs+0x331/0x6e0 [ 320.034080] addrconf_rs_timer+0x314/0x690 [ 320.038328] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.042588] call_timer_fn+0x272/0x920 [ 320.046486] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.050729] ? process_timeout+0x40/0x40 [ 320.054793] ? find_held_lock+0x36/0x1c0 [ 320.058870] ? __run_timers+0x7da/0xc70 [ 320.062857] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.067355] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.071855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.076092] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 320.080684] ? trace_hardirqs_on+0xbd/0x310 [ 320.085008] ? kasan_check_read+0x11/0x20 [ 320.089162] ? __run_timers+0x7da/0xc70 [ 320.093143] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.098603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.102848] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.107088] __run_timers+0x7e5/0xc70 [ 320.110910] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 320.116290] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.120790] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.125304] ? lockdep_hardirqs_on+0x421/0x5c0 [ 320.129891] ? trace_hardirqs_on+0xbd/0x310 [ 320.134220] ? kasan_check_read+0x11/0x20 [ 320.138371] ? finish_task_switch+0x1f4/0x910 [ 320.142872] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.148325] ? compat_start_thread+0x80/0x80 [ 320.152738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.158295] ? _raw_spin_unlock_irq+0x60/0x80 [ 320.162799] ? pvclock_read_flags+0x160/0x160 [ 320.167299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.172843] ? check_preemption_disabled+0x48/0x280 [ 320.177875] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.183160] ? rcu_pm_notify+0xc0/0xc0 [ 320.187062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.192608] ? check_preemption_disabled+0x48/0x280 [ 320.197636] run_timer_softirq+0x52/0xb0 [ 320.201701] ? rcu_read_lock_sched_held+0x108/0x120 [ 320.206726] __do_softirq+0x30c/0xb03 [ 320.210548] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 320.215662] ? trace_hardirqs_off+0x310/0x310 [ 320.220169] ? trace_hardirqs_on+0x310/0x310 [ 320.224590] ? schedule+0x108/0x460 [ 320.228228] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 320.233002] ? trace_hardirqs_off+0xb8/0x310 [ 320.237418] ? smpboot_thread_fn+0x68b/0xa00 [ 320.241839] ? trace_hardirqs_on+0x310/0x310 [ 320.246260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.251813] ? check_preemption_disabled+0x48/0x280 [ 320.256863] ? takeover_tasklets+0xa90/0xa90 [ 320.261291] run_ksoftirqd+0x94/0x100 [ 320.265116] smpboot_thread_fn+0x68b/0xa00 [ 320.269366] ? sort_range+0x30/0x30 [ 320.273004] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 320.278112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.283654] ? __kthread_parkme+0xfb/0x1a0 [ 320.287898] kthread+0x35a/0x420 [ 320.291287] ? sort_range+0x30/0x30 [ 320.294924] ? kthread_bind+0x40/0x40 [ 320.298735] ret_from_fork+0x3a/0x50 [ 320.302476] warn_alloc_show_mem: 1 callbacks suppressed [ 320.302489] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 320.302491] Mem-Info: [ 320.302523] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 320.302523] active_file:11 inactive_file:12 isolated_file:0 [ 320.302523] unevictable:0 dirty:0 writeback:0 unstable:0 [ 320.302523] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 320.302523] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 320.302523] free:13647 free_pcp:360 free_cma:0 [ 320.307863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.315228] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 320.317628] Call Trace: [ 320.350674] Node 0 [ 320.360024] [ 320.387712] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 320.390278] dump_stack+0x1c4/0x2b6 [ 320.392488] lowmem_reserve[]: 0 [ 320.394648] ? dump_stack_print_info.cold.1+0x20/0x20 [ 320.420128] 2819 [ 320.423761] warn_alloc.cold.119+0xb7/0x1bd [ 320.427007] 6323 [ 320.432195] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 320.434231] 6323 [ 320.438556] ? lock_downgrade+0x900/0x900 [ 320.440598] Node 0 [ 320.445438] ? trace_hardirqs_off+0xb8/0x310 [ 320.447511] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 320.451633] ? trace_hardirqs_off+0xb8/0x310 [ 320.453842] lowmem_reserve[]: 0 [ 320.458256] __alloc_pages_slowpath+0x265e/0x2d70 [ 320.484947] 0 [ 320.489376] ? warn_alloc+0x120/0x120 [ 320.492607] 3503 [ 320.497451] ? lock_release+0x970/0x970 [ 320.499231] 3503 [ 320.503024] ? warn_alloc+0x120/0x120 [ 320.509032] ? print_usage_bug+0xc0/0xc0 [ 320.511075] Node 0 [ 320.514869] ? warn_alloc+0x120/0x120 [ 320.518940] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 320.521150] ? print_usage_bug+0xc0/0xc0 [ 320.524930] lowmem_reserve[]: [ 320.553389] ? __lock_acquire+0x7ec/0x4ec0 [ 320.557430] 0 [ 320.560535] ? __lock_acquire+0x7ec/0x4ec0 [ 320.564740] 0 0 [ 320.566552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.570766] 0 [ 320.572746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.580059] ? should_fail+0x22d/0xd01 [ 320.585573] Node 0 DMA: [ 320.589464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.589480] ? __lock_acquire+0x7ec/0x4ec0 [ 320.592133] 1*4kB [ 320.597255] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 320.601470] (U) [ 320.603619] ? __lock_acquire+0x7ec/0x4ec0 [ 320.608702] 0*8kB [ 320.610671] ? should_fail+0x22d/0xd01 [ 320.614884] 0*16kB [ 320.617068] ? mark_held_locks+0x130/0x130 [ 320.620932] 1*32kB [ 320.623624] ? mark_held_locks+0x130/0x130 [ 320.627837] (U) [ 320.630072] ? graph_lock+0x170/0x170 [ 320.634290] 2*64kB [ 320.636260] ? print_usage_bug+0xc0/0xc0 [ 320.640045] (U) [ 320.642276] ? graph_lock+0x170/0x170 [ 320.646318] 1*128kB (U) [ 320.648302] ? print_usage_bug+0xc0/0xc0 [ 320.652079] 1*256kB [ 320.654745] ? wq_watchdog_touch+0x9c/0xfe [ 320.658775] (U) 0*512kB 1*1024kB [ 320.661111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.665322] (U) [ 320.668778] ? check_preemption_disabled+0x48/0x280 [ 320.674289] 1*2048kB [ 320.676265] ? check_preemption_disabled+0x48/0x280 [ 320.681261] (M) [ 320.683672] ? __lock_is_held+0xb5/0x140 [ 320.688664] 3*4096kB [ 320.690637] __alloc_pages_nodemask+0xa80/0xde0 [ 320.694668] (M) = 15908kB [ 320.697082] ? graph_lock+0x170/0x170 [ 320.701729] Node 0 [ 320.704491] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 320.708268] DMA32: [ 320.710500] ? graph_lock+0x170/0x170 [ 320.715496] 4*4kB [ 320.717737] ? find_held_lock+0x36/0x1c0 [ 320.721511] (UM) [ 320.723661] ? ____cache_alloc_node+0x1c7/0x1e0 [ 320.727697] 2*8kB [ 320.729759] ? lock_downgrade+0x900/0x900 [ 320.734406] (UM) 2*16kB [ 320.736572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.740705] (M) [ 320.743410] cache_grow_begin+0x91/0x8c0 [ 320.748922] 3*32kB [ 320.750899] ? do_raw_spin_unlock+0xa7/0x330 [ 320.754933] (UM) [ 320.757172] fallback_alloc+0x203/0x2e0 [ 320.761558] 4*64kB [ 320.763646] ____cache_alloc_node+0x1c7/0x1e0 [ 320.767596] (M) [ 320.769833] kmem_cache_alloc_node+0xe3/0x730 [ 320.774305] 4*128kB [ 320.776279] ? ipv6_get_ifaddr+0x42e/0x620 [ 320.780867] (UM) [ 320.783194] __alloc_skb+0x119/0x770 [ 320.787402] 3*256kB [ 320.789471] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 320.793157] (M) [ 320.795482] ? skb_scrub_packet+0x490/0x490 [ 320.800739] 3*512kB [ 320.802710] ? lock_downgrade+0x900/0x900 [ 320.807006] (M) [ 320.809334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.813458] 3*1024kB (UM) [ 320.815442] ? refcount_sub_and_test_checked+0x203/0x310 [ 320.820965] 3*2048kB [ 320.823813] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 320.829238] (M) 3*4096kB [ 320.831655] ? addrconf_rs_timer+0x690/0x690 [ 320.837080] (M) [ 320.839844] ndisc_alloc_skb+0x144/0x340 [ 320.844228] = 24736kB [ 320.846198] ndisc_send_rs+0x331/0x6e0 [ 320.850234] Node 0 [ 320.852639] addrconf_rs_timer+0x314/0x690 [ 320.856496] Normal: 592*4kB [ 320.858736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.862945] (UMEH) [ 320.865968] call_timer_fn+0x272/0x920 [ 320.870164] 405*8kB (UMEH) [ 320.872404] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.876281] 177*16kB [ 320.879200] ? process_timeout+0x40/0x40 [ 320.883410] (UME) [ 320.885816] ? find_held_lock+0x36/0x1c0 [ 320.889853] 103*32kB (UMH) [ 320.892034] ? __run_timers+0x7da/0xc70 [ 320.896067] 15*64kB (UMH) [ 320.899003] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.902948] 0*128kB 1*256kB [ 320.905802] ? _raw_spin_unlock_irq+0x27/0x80 [ 320.910272] (H) [ 320.913284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.917766] 0*512kB [ 320.919743] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 320.923953] 1*1024kB [ 320.926290] ? trace_hardirqs_on+0xbd/0x310 [ 320.926307] ? kasan_check_read+0x11/0x20 [ 320.930864] (H) [ 320.933272] ? __run_timers+0x7da/0xc70 [ 320.937578] 0*2048kB [ 320.941718] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.943672] 0*4096kB [ 320.947643] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.950032] = 13976kB [ 320.955483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.957885] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 320.962110] __run_timers+0x7e5/0xc70 [ 320.964502] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 320.964512] 1241 total pagecache pages [ 320.968751] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 320.977579] 0 pages in swap cache [ 320.981374] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 320.989930] Swap cache stats: add 0, delete 0, find 0/0 [ 320.993810] ? graph_lock+0x170/0x170 [ 320.999156] Free swap = 0kB [ 321.002604] ? enqueue_hrtimer+0x1a5/0x560 [ 321.007597] Total swap = 0kB [ 321.012953] ? lock_release+0x970/0x970 [ 321.016731] 1965979 pages RAM [ 321.019747] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 321.023959] 0 pages HighMem/MovableOnly [ 321.026973] ? find_held_lock+0x36/0x1c0 [ 321.030916] 342306 pages reserved [ 321.030924] 0 pages cma reserved [ 321.034024] ? graph_lock+0x170/0x170 [ 321.039290] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 321.043171] ? pvclock_read_flags+0x160/0x160 [ 321.047303] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 321.050665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.054011] ksoftirqd/1 cpuset= [ 321.057814] ? check_preemption_disabled+0x48/0x280 [ 321.064281] / [ 321.068788] ? __lock_is_held+0xb5/0x140 [ 321.079154] mems_allowed=0 [ 321.084686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.107145] ? check_preemption_disabled+0x48/0x280 [ 321.112171] run_timer_softirq+0x52/0xb0 [ 321.116237] ? rcu_read_lock_sched_held+0x108/0x120 [ 321.121260] __do_softirq+0x30c/0xb03 [ 321.125079] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 321.130198] ? pvclock_read_flags+0x160/0x160 [ 321.134696] ? lapic_next_event+0x5a/0x90 [ 321.138852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.144393] ? check_preemption_disabled+0x48/0x280 [ 321.149416] ? check_preemption_disabled+0x48/0x280 [ 321.154458] ? kvm_clock_read+0x18/0x30 [ 321.158436] ? kvm_sched_clock_read+0x9/0x20 [ 321.162857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.168401] ? check_preemption_disabled+0x48/0x280 [ 321.173437] irq_exit+0x17f/0x1c0 [ 321.176910] smp_apic_timer_interrupt+0x1cb/0x760 [ 321.181752] ? smp_reschedule_interrupt+0x109/0x650 [ 321.186780] ? smp_call_function_single_interrupt+0x650/0x650 [ 321.192689] ? interrupt_entry+0xb5/0xf0 [ 321.196758] ? trace_hardirqs_off_caller+0xbb/0x310 [ 321.201787] ? trace_hardirqs_off_caller+0xbb/0x310 [ 321.206815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.211661] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.216682] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.221701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.227244] ? check_preemption_disabled+0x48/0x280 [ 321.232260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.237814] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.242667] apic_timer_interrupt+0xf/0x20 [ 321.246895] [ 321.249139] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 321.254072] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 321.272977] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 321.280692] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 321.287963] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 321.295233] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 321.302506] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 321.309780] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 321.317112] skb_clone+0x1bb/0x500 [ 321.320658] ? skb_split+0x11e0/0x11e0 [ 321.324549] ? check_preemption_disabled+0x48/0x280 [ 321.329576] ? __this_cpu_preempt_check+0x1c/0x20 [ 321.334425] ? __bpf_redirect+0x54b/0xb20 [ 321.338594] bpf_clone_redirect+0xb9/0x490 [ 321.342846] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 321.347869] ? __sched_text_start+0x8/0x8 [ 321.352037] ? find_held_lock+0x36/0x1c0 [ 321.356108] ? lock_acquire+0x1ed/0x520 [ 321.360085] ? bpf_test_run+0x3cb/0x780 [ 321.364064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.369607] ? check_preemption_disabled+0x48/0x280 [ 321.374638] ? kasan_check_read+0x11/0x20 [ 321.378796] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.384078] ? rcu_bh_qs+0xc0/0xc0 [ 321.387626] ? preempt_schedule+0x4d/0x60 [ 321.391787] ? ___preempt_schedule+0x16/0x18 [ 321.396209] ? bpf_test_run+0x25d/0x780 [ 321.400201] ? netlink_diag_dump+0x2a0/0x2a0 [ 321.404618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.410157] ? bpf_test_init.isra.10+0x70/0x100 [ 321.414835] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 321.419609] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 321.424460] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 321.430001] ? fput+0x130/0x1a0 [ 321.433285] ? __bpf_prog_get+0x9b/0x290 [ 321.437357] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 321.442199] ? bpf_prog_test_run+0x130/0x1a0 [ 321.446616] ? __x64_sys_bpf+0x3d8/0x520 [ 321.450701] ? bpf_prog_get+0x20/0x20 [ 321.454525] ? do_syscall_64+0x1b9/0x820 [ 321.458595] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 321.463970] ? syscall_return_slowpath+0x5e0/0x5e0 [ 321.468904] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.473929] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 321.478952] ? recalc_sigpending_tsk+0x180/0x180 [ 321.483714] ? kasan_check_write+0x14/0x20 [ 321.487959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.492818] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 321.498204] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 321.498274] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 321.505134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 321.505143] Call Trace: [ 321.511725] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 321.520999] dump_stack+0x1c4/0x2b6 [ 321.523585] syz-executor0 cpuset= [ 321.534068] ? dump_stack_print_info.cold.1+0x20/0x20 [ 321.537673] syz0 [ 321.541132] warn_alloc.cold.119+0xb7/0x1bd [ 321.546297] mems_allowed=0 [ 321.548292] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 321.560343] ? lock_downgrade+0x900/0x900 [ 321.564503] ? trace_hardirqs_off+0xb8/0x310 [ 321.568928] ? trace_hardirqs_off+0xb8/0x310 [ 321.573357] __alloc_pages_slowpath+0x265e/0x2d70 [ 321.578233] ? warn_alloc+0x120/0x120 [ 321.582044] ? warn_alloc+0x120/0x120 [ 321.585856] ? print_usage_bug+0xc0/0xc0 [ 321.589922] ? warn_alloc+0x120/0x120 [ 321.593727] ? print_usage_bug+0xc0/0xc0 [ 321.597802] ? __lock_acquire+0x7ec/0x4ec0 [ 321.602039] ? __lock_acquire+0x7ec/0x4ec0 [ 321.606290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.611831] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.617372] ? should_fail+0x22d/0xd01 [ 321.621269] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.626388] ? __lock_acquire+0x7ec/0x4ec0 [ 321.630637] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.635742] ? __lock_acquire+0x7ec/0x4ec0 [ 321.639982] ? should_fail+0x22d/0xd01 [ 321.643882] ? mark_held_locks+0x130/0x130 [ 321.648125] ? mark_held_locks+0x130/0x130 [ 321.652367] ? mark_held_locks+0xc7/0x130 [ 321.656519] ? print_usage_bug+0xc0/0xc0 [ 321.660581] ? graph_lock+0x170/0x170 [ 321.664384] ? print_usage_bug+0xc0/0xc0 [ 321.668462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.674008] ? check_preemption_disabled+0x48/0x280 [ 321.679030] ? check_preemption_disabled+0x48/0x280 [ 321.684072] ? __lock_is_held+0xb5/0x140 [ 321.688150] __alloc_pages_nodemask+0xa80/0xde0 [ 321.692823] ? graph_lock+0x170/0x170 [ 321.696631] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 321.701652] ? graph_lock+0x170/0x170 [ 321.705476] ? find_held_lock+0x36/0x1c0 [ 321.709554] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.714228] ? lock_downgrade+0x900/0x900 [ 321.718392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.723945] cache_grow_begin+0x91/0x8c0 [ 321.728018] ? do_raw_spin_unlock+0xa7/0x330 [ 321.732444] fallback_alloc+0x203/0x2e0 [ 321.736439] ____cache_alloc_node+0x1c7/0x1e0 [ 321.740954] kmem_cache_alloc_node+0xe3/0x730 [ 321.745467] ? ipv6_get_ifaddr+0x42e/0x620 [ 321.749717] __alloc_skb+0x119/0x770 [ 321.753443] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.759208] ? skb_scrub_packet+0x490/0x490 [ 321.763534] ? lock_downgrade+0x900/0x900 [ 321.767698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.773331] ? refcount_sub_and_test_checked+0x203/0x310 [ 321.778793] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 321.784249] ? addrconf_rs_timer+0x690/0x690 [ 321.788686] ndisc_alloc_skb+0x144/0x340 [ 321.792919] ndisc_send_rs+0x331/0x6e0 [ 321.796819] addrconf_rs_timer+0x314/0x690 [ 321.801067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.805323] call_timer_fn+0x272/0x920 [ 321.809213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.813476] ? process_timeout+0x40/0x40 [ 321.817540] ? find_held_lock+0x36/0x1c0 [ 321.821634] ? __run_timers+0x7da/0xc70 [ 321.825623] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.830132] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.834629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.838871] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 321.843468] ? trace_hardirqs_on+0xbd/0x310 [ 321.847794] ? kasan_check_read+0x11/0x20 [ 321.851950] ? __run_timers+0x7da/0xc70 [ 321.855928] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.861386] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.865638] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.869878] __run_timers+0x7e5/0xc70 [ 321.873700] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 321.879069] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.883575] ? _raw_spin_unlock_irq+0x27/0x80 [ 321.888079] ? lockdep_hardirqs_on+0x421/0x5c0 [ 321.892681] ? trace_hardirqs_on+0xbd/0x310 [ 321.897009] ? kasan_check_read+0x11/0x20 [ 321.901164] ? finish_task_switch+0x1f4/0x910 [ 321.905669] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.911125] ? compat_start_thread+0x80/0x80 [ 321.915542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.921097] ? _raw_spin_unlock_irq+0x60/0x80 [ 321.925608] ? pvclock_read_flags+0x160/0x160 [ 321.930111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.935666] ? check_preemption_disabled+0x48/0x280 [ 321.940704] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 321.945999] ? rcu_pm_notify+0xc0/0xc0 [ 321.949907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.955462] ? check_preemption_disabled+0x48/0x280 [ 321.960501] run_timer_softirq+0x52/0xb0 [ 321.964569] ? rcu_read_lock_sched_held+0x108/0x120 [ 321.969591] __do_softirq+0x30c/0xb03 [ 321.973424] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 321.978543] ? trace_hardirqs_off+0x310/0x310 [ 321.983049] ? trace_hardirqs_on+0x310/0x310 [ 321.987482] ? schedule+0x108/0x460 [ 321.991122] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 321.995896] ? trace_hardirqs_off+0xb8/0x310 [ 322.000312] ? smpboot_thread_fn+0x68b/0xa00 [ 322.004729] ? trace_hardirqs_on+0x310/0x310 [ 322.009145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.014774] ? check_preemption_disabled+0x48/0x280 [ 322.019797] ? takeover_tasklets+0xa90/0xa90 [ 322.024212] run_ksoftirqd+0x94/0x100 [ 322.028019] smpboot_thread_fn+0x68b/0xa00 [ 322.032279] ? sort_range+0x30/0x30 [ 322.035913] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 322.041019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.046570] ? __kthread_parkme+0xfb/0x1a0 [ 322.050815] kthread+0x35a/0x420 [ 322.054183] ? sort_range+0x30/0x30 [ 322.057814] ? kthread_bind+0x40/0x40 [ 322.061712] ret_from_fork+0x3a/0x50 [ 322.065443] warn_alloc_show_mem: 1 callbacks suppressed [ 322.065464] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 322.065466] Mem-Info: [ 322.065497] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 322.065497] active_file:11 inactive_file:12 isolated_file:0 [ 322.065497] unevictable:0 dirty:0 writeback:0 unstable:0 [ 322.065497] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 322.065497] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 322.065497] free:13647 free_pcp:360 free_cma:0 [ 322.070839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.078206] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 322.080607] Call Trace: [ 322.113652] Node 0 [ 322.123001] [ 322.150681] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 322.153243] dump_stack+0x1c4/0x2b6 [ 322.155463] lowmem_reserve[]: [ 322.157610] ? dump_stack_print_info.cold.1+0x20/0x20 [ 322.183082] 0 2819 [ 322.186725] warn_alloc.cold.119+0xb7/0x1bd [ 322.189800] 6323 [ 322.194989] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 322.197196] 6323 [ 322.201520] ? lock_downgrade+0x900/0x900 [ 322.203558] Node 0 [ 322.208398] ? trace_hardirqs_off+0xb8/0x310 [ 322.210467] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 322.214586] ? trace_hardirqs_off+0xb8/0x310 [ 322.216799] lowmem_reserve[]: [ 322.221213] __alloc_pages_slowpath+0x265e/0x2d70 [ 322.247897] 0 0 [ 322.252348] ? warn_alloc+0x120/0x120 [ 322.255400] 3503 [ 322.260236] ? trace_hardirqs_on+0x310/0x310 [ 322.262189] 3503 [ 322.265987] ? warn_alloc+0x120/0x120 [ 322.272439] ? print_usage_bug+0xc0/0xc0 [ 322.274488] Node 0 [ 322.278280] ? warn_alloc+0x120/0x120 [ 322.282350] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 322.284561] ? ktime_get+0x2e1/0x440 [ 322.288334] lowmem_reserve[]: 0 [ 322.316880] ? print_usage_bug+0xc0/0xc0 [ 322.320571] 0 [ 322.323846] ? __lock_acquire+0x7ec/0x4ec0 [ 322.327887] 0 [ 322.329686] ? __lock_acquire+0x7ec/0x4ec0 [ 322.333901] 0 [ 322.335703] ? kasan_check_read+0x11/0x20 [ 322.339910] Node 0 [ 322.341710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.345830] DMA: [ 322.348063] ? should_fail+0x22d/0xd01 [ 322.353576] 1*4kB [ 322.355638] ? rcu_bh_qs+0xc0/0xc0 [ 322.359503] (U) [ 322.361652] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.365170] 0*8kB [ 322.367142] ? __lock_acquire+0x7ec/0x4ec0 [ 322.372223] 0*16kB [ 322.374369] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 322.378590] 1*32kB [ 322.380825] ? __lock_acquire+0x7ec/0x4ec0 [ 322.385905] (U) [ 322.388137] ? should_fail+0x22d/0xd01 [ 322.392353] 2*64kB [ 322.394326] ? rcu_idle_enter+0x4b0/0x4b0 [ 322.398188] (U) [ 322.400422] ? mark_held_locks+0x130/0x130 [ 322.404542] 1*128kB (U) [ 322.406532] ? mark_held_locks+0x130/0x130 [ 322.410745] 1*256kB [ 322.413414] ? mark_held_locks+0xc7/0x130 [ 322.417623] (U) [ 322.419938] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 322.419953] ? graph_lock+0x170/0x170 [ 322.424089] 0*512kB [ 322.426058] ? print_usage_bug+0xc0/0xc0 [ 322.431054] 1*1024kB [ 322.434850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.437154] (U) [ 322.441215] ? check_preemption_disabled+0x48/0x280 [ 322.443601] 1*2048kB [ 322.449131] ? check_preemption_disabled+0x48/0x280 [ 322.451083] (M) [ 322.456101] ? __lock_is_held+0xb5/0x140 [ 322.458485] 3*4096kB [ 322.463503] __alloc_pages_nodemask+0xa80/0xde0 [ 322.465461] (M) [ 322.469520] ? graph_lock+0x170/0x170 [ 322.471909] = 15908kB [ 322.476571] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 322.478529] Node 0 [ 322.482323] ? graph_lock+0x170/0x170 [ 322.484711] DMA32: [ 322.489729] ? find_held_lock+0x36/0x1c0 [ 322.491940] 4*4kB [ 322.495741] ? ____cache_alloc_node+0x1c7/0x1e0 [ 322.497948] (UM) [ 322.502003] ? lock_downgrade+0x900/0x900 [ 322.504130] 2*8kB [ 322.508801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.510838] (UM) [ 322.514983] cache_grow_begin+0x91/0x8c0 [ 322.517107] 2*16kB (M) [ 322.522649] ? do_raw_spin_unlock+0xa7/0x330 [ 322.524683] 3*32kB (UM) [ 322.528756] fallback_alloc+0x203/0x2e0 [ 322.531311] 4*64kB (M) [ 322.535726] ____cache_alloc_node+0x1c7/0x1e0 [ 322.538375] 4*128kB [ 322.542347] kmem_cache_alloc_node+0xe3/0x730 [ 322.544907] (UM) [ 322.549397] ? ipv6_get_ifaddr+0x42e/0x620 [ 322.551697] 3*256kB [ 322.556188] __alloc_skb+0x119/0x770 [ 322.558225] (M) [ 322.562464] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 322.564759] 3*512kB [ 322.568475] ? skb_scrub_packet+0x490/0x490 [ 322.570428] (M) [ 322.575709] ? lock_downgrade+0x900/0x900 [ 322.578007] 3*1024kB (UM) [ 322.582333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.584282] 3*2048kB (M) [ 322.588433] ? refcount_sub_and_test_checked+0x203/0x310 [ 322.591261] 3*4096kB [ 322.596795] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 322.599528] (M) [ 322.604981] ? addrconf_rs_timer+0x690/0x690 [ 322.607371] = 24736kB [ 322.612827] ndisc_alloc_skb+0x144/0x340 [ 322.614774] Node 0 [ 322.619184] ndisc_send_rs+0x331/0x6e0 [ 322.621568] Normal: 592*4kB [ 322.626149] addrconf_rs_timer+0x314/0x690 [ 322.628367] (UMEH) [ 322.632254] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.635250] 405*8kB [ 322.639493] call_timer_fn+0x272/0x920 [ 322.641697] (UMEH) [ 322.645923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.648227] 177*16kB [ 322.652108] ? process_timeout+0x40/0x40 [ 322.654323] (UME) [ 322.658556] ? find_held_lock+0x36/0x1c0 [ 322.660942] 103*32kB (UMH) [ 322.665011] ? __run_timers+0x7da/0xc70 [ 322.667139] 15*64kB [ 322.671196] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.674101] (UMH) [ 322.678071] ? _raw_spin_unlock_irq+0x27/0x80 [ 322.680374] 0*128kB [ 322.684865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.686993] 1*256kB (H) [ 322.691491] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 322.693796] 0*512kB [ 322.698023] ? trace_hardirqs_on+0xbd/0x310 [ 322.700681] 1*1024kB [ 322.705260] ? kasan_check_read+0x11/0x20 [ 322.707562] (H) [ 322.711877] ? __run_timers+0x7da/0xc70 [ 322.714261] 0*2048kB 0*4096kB [ 322.718414] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.720369] = 13976kB [ 322.724342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.727518] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 322.732957] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 322.735353] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 322.739575] __run_timers+0x7e5/0xc70 [ 322.748386] 1241 total pagecache pages [ 322.752621] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 322.761169] 0 pages in swap cache [ 322.764957] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 322.768823] Swap cache stats: add 0, delete 0, find 0/0 [ 322.774178] ? graph_lock+0x170/0x170 [ 322.777610] Free swap = 0kB [ 322.782618] ? enqueue_hrtimer+0x1a5/0x560 [ 322.787963] Total swap = 0kB [ 322.791783] ? lock_release+0x970/0x970 [ 322.794774] 1965979 pages RAM [ 322.799006] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 322.802000] 0 pages HighMem/MovableOnly [ 322.802009] 342306 pages reserved [ 322.805983] ? find_held_lock+0x36/0x1c0 [ 322.809059] 0 pages cma reserved [ 322.814242] ? graph_lock+0x170/0x170 [ 322.818264] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 322.821644] ? pvclock_read_flags+0x160/0x160 [ 322.825740] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 322.829047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.832827] ksoftirqd/1 cpuset= [ 322.839315] ? check_preemption_disabled+0x48/0x280 [ 322.843781] / mems_allowed=0 [ 322.854103] ? __lock_is_held+0xb5/0x140 [ 322.874947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.880495] ? check_preemption_disabled+0x48/0x280 [ 322.885526] run_timer_softirq+0x52/0xb0 [ 322.889592] ? rcu_read_lock_sched_held+0x108/0x120 [ 322.894614] __do_softirq+0x30c/0xb03 [ 322.898428] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 322.903551] ? pvclock_read_flags+0x160/0x160 [ 322.908052] ? lapic_next_event+0x5a/0x90 [ 322.912204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.917747] ? check_preemption_disabled+0x48/0x280 [ 322.922769] ? check_preemption_disabled+0x48/0x280 [ 322.927804] ? kvm_clock_read+0x18/0x30 [ 322.931788] ? kvm_sched_clock_read+0x9/0x20 [ 322.936202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.941746] ? check_preemption_disabled+0x48/0x280 [ 322.946787] irq_exit+0x17f/0x1c0 [ 322.950244] smp_apic_timer_interrupt+0x1cb/0x760 [ 322.955087] ? smp_reschedule_interrupt+0x109/0x650 [ 322.960109] ? smp_call_function_single_interrupt+0x650/0x650 [ 322.965997] ? interrupt_entry+0xb5/0xf0 [ 322.970067] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.975088] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.980113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.984957] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.989973] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.994993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.000537] ? check_preemption_disabled+0x48/0x280 [ 323.005557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.011116] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.015973] apic_timer_interrupt+0xf/0x20 [ 323.020202] [ 323.022445] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 323.027387] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 323.046289] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 323.054001] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 323.061274] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 323.068546] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 323.075816] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 323.083090] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 323.090404] skb_clone+0x1bb/0x500 [ 323.093951] ? skb_split+0x11e0/0x11e0 [ 323.097849] ? check_preemption_disabled+0x48/0x280 [ 323.102876] ? __this_cpu_preempt_check+0x1c/0x20 [ 323.107728] ? __bpf_redirect+0x54b/0xb20 [ 323.111892] bpf_clone_redirect+0xb9/0x490 [ 323.116137] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 323.121158] ? __sched_text_start+0x8/0x8 [ 323.125324] ? find_held_lock+0x36/0x1c0 [ 323.129394] ? lock_acquire+0x1ed/0x520 [ 323.133376] ? bpf_test_run+0x3cb/0x780 [ 323.137354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.142896] ? check_preemption_disabled+0x48/0x280 [ 323.147927] ? kasan_check_read+0x11/0x20 [ 323.152079] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.157366] ? rcu_bh_qs+0xc0/0xc0 [ 323.160915] ? preempt_schedule+0x4d/0x60 [ 323.165067] ? ___preempt_schedule+0x16/0x18 [ 323.169492] ? bpf_test_run+0x25d/0x780 [ 323.173486] ? netlink_diag_dump+0x2a0/0x2a0 [ 323.177907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.183445] ? bpf_test_init.isra.10+0x70/0x100 [ 323.188136] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 323.192908] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 323.197753] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 323.203302] ? fput+0x130/0x1a0 [ 323.206591] ? __bpf_prog_get+0x9b/0x290 [ 323.210673] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 323.215525] ? bpf_prog_test_run+0x130/0x1a0 [ 323.219945] ? __x64_sys_bpf+0x3d8/0x520 [ 323.224010] ? bpf_prog_get+0x20/0x20 [ 323.227834] ? do_syscall_64+0x1b9/0x820 [ 323.231905] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 323.237274] ? syscall_return_slowpath+0x5e0/0x5e0 [ 323.242208] ? trace_hardirqs_on_caller+0x310/0x310 [ 323.247228] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 323.252246] ? recalc_sigpending_tsk+0x180/0x180 [ 323.257007] ? kasan_check_write+0x14/0x20 [ 323.261250] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.266106] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 323.271499] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 323.271531] rcu: INFO: rcu_preempt self-detected stall on CPU [ 323.278433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.284323] Call Trace: [ 323.293948] rcu: 0-...!: (135 ticks this GP) idle=326/1/0x4000000000000004 softirq=14651/14653 fqs=1 [ 323.296246] dump_stack+0x1c4/0x2b6 [ 323.296264] ? dump_stack_print_info.cold.1+0x20/0x20 [ 323.296299] warn_alloc.cold.119+0xb7/0x1bd [ 323.296315] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 323.296332] ? lock_downgrade+0x900/0x900 [ 323.296355] ? trace_hardirqs_off+0xb8/0x310 [ 323.296374] ? trace_hardirqs_off+0xb8/0x310 [ 323.296395] __alloc_pages_slowpath+0x265e/0x2d70 [ 323.296437] ? warn_alloc+0x120/0x120 [ 323.306193] rcu: [ 323.309828] ? warn_alloc+0x120/0x120 [ 323.314998] (t=10525 jiffies g=17689 q=12) [ 323.319316] ? print_usage_bug+0xc0/0xc0 [ 323.324144] rcu: rcu_preempt kthread starved for 10129 jiffies! g17689 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 323.328282] ? warn_alloc+0x120/0x120 [ 323.332663] rcu: RCU grace-period kthread stack dump: [ 323.337065] ? print_usage_bug+0xc0/0xc0 [ 323.341891] rcu_preempt R [ 323.345685] ? __lock_acquire+0x7ec/0x4ec0 [ 323.347816] running task [ 323.351613] ? __lock_acquire+0x7ec/0x4ec0 [ 323.355919] 23064 10 2 0x80000000 [ 323.359972] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.370432] Call Trace: [ 323.374238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.379416] __schedule+0x86c/0x1ed0 [ 323.383476] ? should_fail+0x22d/0xd01 [ 323.386573] ? __sched_text_start+0x8/0x8 [ 323.390799] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.393983] ? __mod_timer+0x6f6/0x1870 [ 323.398203] ? __lock_acquire+0x7ec/0x4ec0 [ 323.402344] ? add_timer_on+0x9f0/0x9f0 [ 323.407865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 323.410441] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 323.415971] ? __lock_acquire+0x7ec/0x4ec0 [ 323.415989] ? should_fail+0x22d/0xd01 [ 323.419696] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 323.423573] ? mark_held_locks+0x130/0x130 [ 323.427700] ? trace_hardirqs_on+0xbd/0x310 [ 323.432808] ? mark_held_locks+0x130/0x130 [ 323.436772] ? kasan_check_read+0x11/0x20 [ 323.440987] ? graph_lock+0x170/0x170 [ 323.444954] ? prepare_to_swait_event+0x25a/0x800 [ 323.450044] ? print_usage_bug+0xc0/0xc0 [ 323.455140] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.459363] ? graph_lock+0x170/0x170 [ 323.463244] schedule+0xfe/0x460 [ 323.468333] ? print_usage_bug+0xc0/0xc0 [ 323.472553] ? __schedule+0x1ed0/0x1ed0 [ 323.476865] ? wq_watchdog_touch+0x9c/0xfe [ 323.481088] ? prepare_to_swait_event+0x25a/0x800 [ 323.485226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.489013] ? __init_swait_queue_head+0x150/0x150 [ 323.493844] ? check_preemption_disabled+0x48/0x280 [ 323.497889] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 323.503327] ? check_preemption_disabled+0x48/0x280 [ 323.507111] ? __lockdep_init_map+0x105/0x590 [ 323.510475] ? __lock_is_held+0xb5/0x140 [ 323.514518] ? lockdep_init_map+0x9/0x10 [ 323.518500] __alloc_pages_nodemask+0xa80/0xde0 [ 323.522717] schedule_timeout+0x140/0x260 [ 323.527545] ? graph_lock+0x170/0x170 [ 323.533072] ? usleep_range+0x1a0/0x1a0 [ 323.537994] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 323.543018] ? __next_timer_interrupt+0x1a0/0x1a0 [ 323.548108] ? graph_lock+0x170/0x170 [ 323.553113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.557599] ? find_held_lock+0x36/0x1c0 [ 323.561644] rcu_gp_kthread+0x9d9/0x2310 [ 323.565718] ? ____cache_alloc_node+0x1c7/0x1e0 [ 323.570388] ? rcu_gp_init+0x1830/0x1830 [ 323.574509] ? lock_downgrade+0x900/0x900 [ 323.578299] ? update_curr+0x344/0xbe0 [ 323.582292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.587282] ? print_usage_bug+0xc0/0xc0 [ 323.592121] cache_grow_begin+0x91/0x8c0 [ 323.595902] ? __account_cfs_rq_runtime+0x790/0x790 [ 323.601434] ? do_raw_spin_unlock+0xa7/0x330 [ 323.605493] ? graph_lock+0x170/0x170 [ 323.609548] fallback_alloc+0x203/0x2e0 [ 323.614203] ? graph_lock+0x170/0x170 [ 323.618263] ____cache_alloc_node+0x1c7/0x1e0 [ 323.622394] ? __lock_acquire+0x7ec/0x4ec0 [ 323.626287] kmem_cache_alloc_node+0xe3/0x730 [ 323.631797] ? __lock_is_held+0xb5/0x140 [ 323.635844] ? ipv6_get_ifaddr+0x42e/0x620 [ 323.639899] ? update_curr+0x344/0xbe0 [ 323.644897] __alloc_skb+0x119/0x770 [ 323.649286] ? rcu_pm_notify+0xc0/0xc0 [ 323.653080] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 323.657036] ? __account_cfs_rq_runtime+0x790/0x790 [ 323.660829] ? skb_scrub_packet+0x490/0x490 [ 323.665310] ? mark_held_locks+0x130/0x130 [ 323.669530] ? lock_downgrade+0x900/0x900 [ 323.674013] ? rcu_read_lock_sched_held+0x108/0x120 [ 323.678065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.682285] ? rcu_note_context_switch+0x14b6/0x26b0 [ 323.686168] ? refcount_sub_and_test_checked+0x203/0x310 [ 323.689866] ? set_next_entity+0x2f0/0xaf0 [ 323.693736] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 323.699001] ? rcu_read_lock_sched_held+0x108/0x120 [ 323.704008] ? addrconf_rs_timer+0x690/0x690 [ 323.708318] ? pick_next_entity+0x197/0x390 [ 323.712551] ndisc_alloc_skb+0x144/0x340 [ 323.716682] ? register_lock_class+0xd90/0x29b0 [ 323.721684] ndisc_send_rs+0x331/0x6e0 [ 323.727205] ? graph_lock+0x170/0x170 [ 323.732301] addrconf_rs_timer+0x314/0x690 [ 323.737737] ? run_rebalance_domains+0x500/0x500 [ 323.741956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.747395] ? __update_load_avg_cfs_rq+0x430/0x9b0 [ 323.752407] call_timer_fn+0x272/0x920 [ 323.756976] ? register_lock_class+0xd90/0x29b0 [ 323.761292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.765346] ? mark_held_locks+0x130/0x130 [ 323.769991] ? process_timeout+0x40/0x40 [ 323.774038] ? __schedule+0x150b/0x1ed0 [ 323.777840] ? find_held_lock+0x36/0x1c0 [ 323.782057] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.786807] ? __run_timers+0x7da/0xc70 [ 323.791020] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.791036] ? lockdep_hardirqs_on+0x421/0x5c0 [ 323.796044] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.799935] ? trace_hardirqs_on+0xbd/0x310 [ 323.804593] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.808827] ? kasan_check_read+0x11/0x20 [ 323.813040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.813057] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 323.817110] ? __schedule+0x150b/0x1ed0 [ 323.821071] ? trace_hardirqs_on+0xbd/0x310 [ 323.825116] ? lock_repin_lock+0x430/0x430 [ 323.825140] ? __schedule+0x150b/0x1ed0 [ 323.829631] ? kasan_check_read+0x11/0x20 [ 323.833590] ? __switch_to_asm+0x40/0x70 [ 323.833607] ? __switch_to_asm+0x40/0x70 [ 323.838092] ? __run_timers+0x7da/0xc70 [ 323.842663] ? graph_lock+0x170/0x170 [ 323.847147] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.851464] ? __sched_text_start+0x8/0x8 [ 323.855945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.860085] ? find_held_lock+0x36/0x1c0 [ 323.864307] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 323.868881] ? __kthread_parkme+0xce/0x1a0 [ 323.872853] __run_timers+0x7e5/0xc70 [ 323.877162] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 323.881392] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 323.885348] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 323.889488] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.893534] ? lockdep_hardirqs_on+0x421/0x5c0 [ 323.897581] ? _raw_spin_unlock_irq+0x27/0x80 [ 323.901541] ? trace_hardirqs_on+0xbd/0x310 [ 323.905329] ? lockdep_hardirqs_on+0x421/0x5c0 [ 323.910769] ? kasan_check_read+0x11/0x20 [ 323.914902] ? trace_hardirqs_on+0xbd/0x310 [ 323.919127] ? __kthread_parkme+0xce/0x1a0 [ 323.923176] ? kasan_check_read+0x11/0x20 [ 323.927398] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.931626] ? finish_task_switch+0x1f4/0x910 [ 323.935411] ? kasan_check_write+0x14/0x20 [ 323.940503] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 323.945858] ? do_raw_spin_lock+0xc1/0x230 [ 323.950948] ? compat_start_thread+0x80/0x80 [ 323.955431] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 323.959996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.964483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 323.968797] ? _raw_spin_unlock_irq+0x60/0x80 [ 323.973365] ? __kthread_parkme+0xfb/0x1a0 [ 323.977497] ? pvclock_read_flags+0x160/0x160 [ 323.981815] kthread+0x35a/0x420 [ 323.986039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 323.990175] ? rcu_gp_init+0x1830/0x1830 [ 323.995614] ? check_preemption_disabled+0x48/0x280 [ 324.000092] ? kthread_bind+0x40/0x40 [ 324.004322] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 324.009757] ret_from_fork+0x3a/0x50 [ 324.013978] ? rcu_pm_notify+0xc0/0xc0 [ 324.018386] NMI backtrace for cpu 0 [ 324.023485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.091404] ? check_preemption_disabled+0x48/0x280 [ 324.096439] run_timer_softirq+0x52/0xb0 [ 324.100514] ? rcu_read_lock_sched_held+0x108/0x120 [ 324.105543] __do_softirq+0x30c/0xb03 [ 324.109362] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 324.114475] ? trace_hardirqs_off+0x310/0x310 [ 324.118977] ? trace_hardirqs_on+0x310/0x310 [ 324.123397] ? schedule+0x108/0x460 [ 324.127031] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 324.131799] ? trace_hardirqs_off+0xb8/0x310 [ 324.136222] ? smpboot_thread_fn+0x68b/0xa00 [ 324.140636] ? trace_hardirqs_on+0x310/0x310 [ 324.145055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.150599] ? check_preemption_disabled+0x48/0x280 [ 324.155624] ? takeover_tasklets+0xa90/0xa90 [ 324.160043] run_ksoftirqd+0x94/0x100 [ 324.163854] smpboot_thread_fn+0x68b/0xa00 [ 324.168182] ? sort_range+0x30/0x30 [ 324.171822] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 324.176931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 324.182480] ? __kthread_parkme+0xfb/0x1a0 [ 324.186726] kthread+0x35a/0x420 [ 324.190097] ? sort_range+0x30/0x30 [ 324.193725] ? kthread_bind+0x40/0x40 [ 324.197535] ret_from_fork+0x3a/0x50 [ 324.201267] warn_alloc_show_mem: 1 callbacks suppressed [ 324.201279] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 324.201282] Mem-Info: [ 324.201314] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 324.201314] active_file:11 inactive_file:12 isolated_file:0 [ 324.201314] unevictable:0 dirty:0 writeback:0 unstable:0 [ 324.201314] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 324.201314] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 324.201314] free:13647 free_pcp:360 free_cma:0 [ 324.206653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 324.214036] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 324.216442] Call Trace: [ 324.249504] Node 0 [ 324.258856] [ 324.286540] 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 [ 324.289100] dump_stack+0x1c4/0x2b6 [ 324.291304] lowmem_reserve[]: 0 [ 324.293474] ? dump_stack_print_info.cold.1+0x20/0x20 [ 324.318953] 2819 6323 [ 324.322593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.325838] 6323 [ 324.331033] ? trace_hardirqs_off+0xb8/0x310 [ 324.333509] Node 0 [ 324.339040] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 324.341108] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 324.345491] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 324.347698] lowmem_reserve[]: 0 [ 324.352367] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 324.352386] arch_trigger_cpumask_backtrace+0x14/0x20 [ 324.379092] 0 [ 324.384282] rcu_dump_cpu_stacks+0x175/0x1c2 [ 324.387529] 3503 3503 [ 324.392813] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 324.399785] print_cpu_stall.cold.78+0x2d3/0x524 [ 324.404163] Node 0 [ 324.406658] ? rcu_dynticks_snap+0x30/0x30 [ 324.411685] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 324.416420] ? check_preemption_disabled+0x48/0x280 [ 324.418625] lowmem_reserve[]: 0 [ 324.422870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.451307] 0 0 [ 324.456338] ? check_preemption_disabled+0x48/0x280 [ 324.459587] 0 [ 324.465128] ? check_preemption_disabled+0x48/0x280 [ 324.467080] Node 0 [ 324.472098] ? rcu_test_sync_prims+0x30/0x30 [ 324.473873] DMA: 1*4kB [ 324.478899] ? __lock_is_held+0xb5/0x140 [ 324.481111] (U) [ 324.485514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.488072] 0*8kB 0*16kB [ 324.492137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.494092] 1*32kB [ 324.499629] ? check_preemption_disabled+0x48/0x280 [ 324.502365] (U) [ 324.507904] rcu_check_callbacks+0xfd9/0x1990 [ 324.510112] 2*64kB (U) [ 324.515144] ? rcu_cpu_stall_reset+0x220/0x220 [ 324.517088] 1*128kB (U) [ 324.521596] ? lock_release+0x970/0x970 [ 324.524154] 1*256kB (U) [ 324.528747] ? graph_lock+0x170/0x170 [ 324.531394] 0*512kB [ 324.535364] ? graph_lock+0x170/0x170 [ 324.538014] 1*1024kB (U) [ 324.541821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.544115] 1*2048kB (M) [ 324.547922] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 324.550653] 3*4096kB (M) [ 324.556191] ? kvm_set_tsc_khz+0x540/0x540 [ 324.558926] = 15908kB [ 324.563533] ? graph_lock+0x170/0x170 [ 324.566272] Node 0 [ 324.570496] ? timekeeping_advance+0x3cc/0xc00 [ 324.572883] DMA32: [ 324.576681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.578896] 4*4kB [ 324.583484] ? check_preemption_disabled+0x48/0x280 [ 324.585693] (UM) [ 324.591227] ? check_preemption_disabled+0x48/0x280 [ 324.593356] 2*8kB [ 324.598370] ? trace_hardirqs_off+0xb8/0x310 [ 324.600405] (UM) [ 324.605414] ? __lock_is_held+0xb5/0x140 [ 324.607542] 2*16kB (M) [ 324.611953] ? trace_hardirqs_on+0x310/0x310 [ 324.613996] 3*32kB (UM) [ 324.618063] ? check_preemption_disabled+0x48/0x280 [ 324.620626] 4*64kB [ 324.625554] ? raise_softirq+0x199/0x420 [ 324.628201] (M) [ 324.633222] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 324.635433] 4*128kB (UM) [ 324.639509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 324.641462] 3*256kB (M) [ 324.646139] ? check_preemption_disabled+0x48/0x280 [ 324.648866] 3*512kB (M) [ 324.654408] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 324.657057] 3*1024kB [ 324.662070] ? hrtimer_run_queues+0x9a/0x400 [ 324.664724] (UM) [ 324.670254] ? run_local_timers+0x19b/0x230 [ 324.672639] 3*2048kB (M) [ 324.677047] ? timer_clear_idle+0x90/0x90 [ 324.679085] 3*4096kB (M) [ 324.683413] ? debug_smp_processor_id+0x1c/0x20 [ 324.686149] = 24736kB [ 324.690301] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 324.693032] Node 0 [ 324.697700] ? account_process_tick+0x282/0x350 [ 324.700085] Normal: [ 324.706053] update_process_times+0x2d/0x70 [ 324.708266] 592*4kB [ 324.712930] tick_sched_handle+0x9f/0x180 [ 324.715231] (UMEH) [ 324.719547] tick_sched_timer+0x45/0x130 [ 324.721843] 405*8kB (UMEH) [ 324.725994] __hrtimer_run_queues+0x41c/0x10d0 [ 324.728213] 177*16kB [ 324.732282] ? tick_sched_do_timer+0x1a0/0x1a0 [ 324.735191] (UME) [ 324.739801] ? hrtimer_start_range_ns+0xe00/0xe00 [ 324.742192] 103*32kB [ 324.746765] ? pvclock_read_flags+0x160/0x160 [ 324.748889] (UMH) [ 324.753729] ? trace_hardirqs_on+0x310/0x310 [ 324.756111] 15*64kB (UMH) [ 324.760615] ? kvm_clock_read+0x18/0x30 [ 324.762735] 0*128kB 1*256kB [ 324.767150] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 324.769975] (H) [ 324.773955] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 324.776955] 0*512kB [ 324.781975] ? do_timer+0x50/0x50 [ 324.783927] 1*1024kB [ 324.789298] ? trace_hardirqs_on+0x310/0x310 [ 324.791604] (H) [ 324.795061] ? do_raw_spin_lock+0xc1/0x230 [ 324.797439] 0*2048kB 0*4096kB [ 324.801869] hrtimer_interrupt+0x313/0x780 [ 324.803824] = 13976kB [ 324.808066] smp_apic_timer_interrupt+0x1a1/0x760 [ 324.811265] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 324.815489] ? smp_call_function_single_interrupt+0x650/0x650 [ 324.817885] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 324.822720] ? interrupt_entry+0xb5/0xf0 [ 324.831542] 1241 total pagecache pages [ 324.837429] ? trace_hardirqs_off_caller+0xbb/0x310 [ 324.845989] 0 pages in swap cache [ 324.850043] ? ____cache_alloc_node+0x1c7/0x1e0 [ 324.853914] Swap cache stats: add 0, delete 0, find 0/0 [ 324.858924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.862351] Free swap = 0kB [ 324.867019] ? trace_hardirqs_on_caller+0x310/0x310 [ 324.872358] Total swap = 0kB [ 324.877204] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 324.880193] 1965979 pages RAM [ 324.885210] apic_timer_interrupt+0xf/0x20 [ 324.888199] 0 pages HighMem/MovableOnly [ 324.888208] 342306 pages reserved [ 324.893047] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 324.896123] 0 pages cma reserved [ 324.896221] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 324.900362] Code: 41 7e 0f 85 32 ff ff ff e8 95 04 40 ff e9 28 ff ff ff e8 5c 3f c4 ff 48 83 3d cc 78 71 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 45 [ 324.904369] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 324.907754] RSP: 0000:ffff8801dae07440 EFLAGS: 00000286 [ 324.913101] ksoftirqd/1 cpuset= [ 324.916460] ORIG_RAX: ffffffffffffff13 [ 324.922936] / [ 324.941834] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003308fd31 [ 324.952143] mems_allowed=0 [ 324.957487] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 324.957499] RBP: ffff8801dae074b0 R08: ffff88019847e988 R09: 0000000000000002 [ 324.991115] R10: 0000000000000000 R11: ffff88019847e0c0 R12: ffff8801d9be7680 [ 324.998387] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000286 [ 325.005678] ? apic_timer_interrupt+0xa/0x20 [ 325.010111] ? ipv6_get_ifaddr+0x42e/0x620 [ 325.014360] __alloc_skb+0x119/0x770 [ 325.018082] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 325.023370] ? skb_scrub_packet+0x490/0x490 [ 325.027706] ? lock_downgrade+0x900/0x900 [ 325.031866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.037411] ? refcount_sub_and_test_checked+0x203/0x310 [ 325.042873] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 325.048327] ? addrconf_rs_timer+0x690/0x690 [ 325.052783] ndisc_alloc_skb+0x144/0x340 [ 325.056859] ndisc_send_rs+0x331/0x6e0 [ 325.060756] addrconf_rs_timer+0x314/0x690 [ 325.065003] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.069258] call_timer_fn+0x272/0x920 [ 325.073153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.077392] ? process_timeout+0x40/0x40 [ 325.081462] ? find_held_lock+0x36/0x1c0 [ 325.085541] ? __run_timers+0x7da/0xc70 [ 325.089525] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.094025] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.098524] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.102763] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 325.107358] ? trace_hardirqs_on+0xbd/0x310 [ 325.111686] ? kasan_check_read+0x11/0x20 [ 325.115838] ? __run_timers+0x7da/0xc70 [ 325.119820] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 325.125278] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.129519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.133757] __run_timers+0x7e5/0xc70 [ 325.137581] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 325.142968] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 325.147993] ? graph_lock+0x170/0x170 [ 325.151810] ? enqueue_hrtimer+0x1a5/0x560 [ 325.156048] ? lock_release+0x970/0x970 [ 325.160025] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 325.165224] ? find_held_lock+0x36/0x1c0 [ 325.169294] ? graph_lock+0x170/0x170 [ 325.173099] ? pvclock_read_flags+0x160/0x160 [ 325.177596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.183139] ? check_preemption_disabled+0x48/0x280 [ 325.188173] ? __lock_is_held+0xb5/0x140 [ 325.192237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.197789] ? check_preemption_disabled+0x48/0x280 [ 325.202819] run_timer_softirq+0x52/0xb0 [ 325.206898] ? rcu_read_lock_sched_held+0x108/0x120 [ 325.211918] __do_softirq+0x30c/0xb03 [ 325.215735] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 325.220847] ? pvclock_read_flags+0x160/0x160 [ 325.225349] ? lapic_next_event+0x5a/0x90 [ 325.229511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.235060] ? check_preemption_disabled+0x48/0x280 [ 325.240080] ? check_preemption_disabled+0x48/0x280 [ 325.245108] ? kvm_clock_read+0x18/0x30 [ 325.249086] ? kvm_sched_clock_read+0x9/0x20 [ 325.253500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.259044] ? check_preemption_disabled+0x48/0x280 [ 325.264078] irq_exit+0x17f/0x1c0 [ 325.267542] smp_apic_timer_interrupt+0x1cb/0x760 [ 325.272385] ? smp_reschedule_interrupt+0x109/0x650 [ 325.277405] ? smp_call_function_single_interrupt+0x650/0x650 [ 325.283295] ? interrupt_entry+0xb5/0xf0 [ 325.287365] ? trace_hardirqs_off_caller+0xbb/0x310 [ 325.292382] ? trace_hardirqs_off_caller+0xbb/0x310 [ 325.297408] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.302253] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.307270] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.312290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.317836] ? check_preemption_disabled+0x48/0x280 [ 325.322855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.328404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.333257] apic_timer_interrupt+0xf/0x20 [ 325.337488] [ 325.339732] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 325.344665] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 325.363582] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 325.371299] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 325.378580] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 325.385859] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 325.393132] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 325.400407] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 325.407727] skb_clone+0x1bb/0x500 [ 325.411273] ? skb_split+0x11e0/0x11e0 [ 325.415173] ? check_preemption_disabled+0x48/0x280 [ 325.420209] ? __this_cpu_preempt_check+0x1c/0x20 [ 325.425062] ? __bpf_redirect+0x54b/0xb20 [ 325.429235] bpf_clone_redirect+0xb9/0x490 [ 325.433500] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 325.438532] ? __sched_text_start+0x8/0x8 [ 325.442706] ? find_held_lock+0x36/0x1c0 [ 325.446777] ? lock_acquire+0x1ed/0x520 [ 325.450796] ? bpf_test_run+0x3cb/0x780 [ 325.454776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.460328] ? check_preemption_disabled+0x48/0x280 [ 325.465359] ? kasan_check_read+0x11/0x20 [ 325.469515] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 325.474804] ? rcu_bh_qs+0xc0/0xc0 [ 325.478355] ? preempt_schedule+0x4d/0x60 [ 325.482507] ? ___preempt_schedule+0x16/0x18 [ 325.486933] ? bpf_test_run+0x25d/0x780 [ 325.490922] ? netlink_diag_dump+0x2a0/0x2a0 [ 325.495337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.500880] ? bpf_test_init.isra.10+0x70/0x100 [ 325.505560] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 325.510328] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 325.515172] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 325.520716] ? fput+0x130/0x1a0 [ 325.524087] ? __bpf_prog_get+0x9b/0x290 [ 325.528154] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 325.533001] ? bpf_prog_test_run+0x130/0x1a0 [ 325.537420] ? __x64_sys_bpf+0x3d8/0x520 [ 325.541491] ? bpf_prog_get+0x20/0x20 [ 325.545316] ? do_syscall_64+0x1b9/0x820 [ 325.549381] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 325.554753] ? syscall_return_slowpath+0x5e0/0x5e0 [ 325.559694] ? trace_hardirqs_on_caller+0x310/0x310 [ 325.564713] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 325.569733] ? recalc_sigpending_tsk+0x180/0x180 [ 325.574498] ? kasan_check_write+0x14/0x20 [ 325.578785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 325.583640] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 325.589025] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 325.589408] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 325.595959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 325.595968] Call Trace: [ 325.602549] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 325.611818] dump_stack+0x1c4/0x2b6 [ 325.614385] syz-executor0 cpuset= [ 325.624867] ? dump_stack_print_info.cold.1+0x20/0x20 [ 325.628476] syz0 [ 325.631941] warn_alloc.cold.119+0xb7/0x1bd [ 325.637101] mems_allowed=0 [ 325.639074] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 325.651139] ? lock_downgrade+0x900/0x900 [ 325.655300] ? trace_hardirqs_off+0xb8/0x310 [ 325.659894] ? trace_hardirqs_off+0xb8/0x310 [ 325.664321] __alloc_pages_slowpath+0x265e/0x2d70 [ 325.670155] ? warn_alloc+0x120/0x120 [ 325.673966] ? warn_alloc+0x120/0x120 [ 325.677773] ? print_usage_bug+0xc0/0xc0 [ 325.681843] ? warn_alloc+0x120/0x120 [ 325.685652] ? print_usage_bug+0xc0/0xc0 [ 325.689721] ? __lock_acquire+0x7ec/0x4ec0 [ 325.693959] ? __lock_acquire+0x7ec/0x4ec0 [ 325.698201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.703741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 325.709287] ? should_fail+0x22d/0xd01 [ 325.713185] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.718297] ? __lock_acquire+0x7ec/0x4ec0 [ 325.722546] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 325.727652] ? __lock_acquire+0x7ec/0x4ec0 [ 325.731888] ? should_fail+0x22d/0xd01 [ 325.735792] ? mark_held_locks+0x130/0x130 [ 325.740037] ? mark_held_locks+0x130/0x130 [ 325.744275] ? graph_lock+0x170/0x170 [ 325.748133] ? print_usage_bug+0xc0/0xc0 [ 325.752197] ? graph_lock+0x170/0x170 [ 325.756516] ? print_usage_bug+0xc0/0xc0 [ 325.760584] ? wq_watchdog_touch+0x9c/0xfe [ 325.764823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.770366] ? check_preemption_disabled+0x48/0x280 [ 325.775385] ? check_preemption_disabled+0x48/0x280 [ 325.780415] ? __lock_is_held+0xb5/0x140 [ 325.784495] __alloc_pages_nodemask+0xa80/0xde0 [ 325.789169] ? graph_lock+0x170/0x170 [ 325.792982] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 325.797999] ? graph_lock+0x170/0x170 [ 325.801816] ? find_held_lock+0x36/0x1c0 [ 325.805894] ? ____cache_alloc_node+0x1c7/0x1e0 [ 325.810569] ? lock_downgrade+0x900/0x900 [ 325.814734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.820291] cache_grow_begin+0x91/0x8c0 [ 325.824363] ? do_raw_spin_unlock+0xa7/0x330 [ 325.828789] fallback_alloc+0x203/0x2e0 [ 325.832780] ____cache_alloc_node+0x1c7/0x1e0 [ 325.837483] kmem_cache_alloc_node+0xe3/0x730 [ 325.841990] ? ipv6_get_ifaddr+0x42e/0x620 [ 325.846237] __alloc_skb+0x119/0x770 [ 325.849955] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 325.855241] ? skb_scrub_packet+0x490/0x490 [ 325.859568] ? lock_downgrade+0x900/0x900 [ 325.863732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 325.869275] ? refcount_sub_and_test_checked+0x203/0x310 [ 325.874744] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 325.880202] ? addrconf_rs_timer+0x690/0x690 [ 325.884628] ndisc_alloc_skb+0x144/0x340 [ 325.888703] ndisc_send_rs+0x331/0x6e0 [ 325.892608] addrconf_rs_timer+0x314/0x690 [ 325.896854] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.901105] call_timer_fn+0x272/0x920 [ 325.904994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.909237] ? process_timeout+0x40/0x40 [ 325.913303] ? find_held_lock+0x36/0x1c0 [ 325.917382] ? __run_timers+0x7da/0xc70 [ 325.921369] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.925869] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.930367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.934606] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 325.939192] ? trace_hardirqs_on+0xbd/0x310 [ 325.943533] ? kasan_check_read+0x11/0x20 [ 325.947712] ? __run_timers+0x7da/0xc70 [ 325.951690] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 325.957147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.961395] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 325.965637] __run_timers+0x7e5/0xc70 [ 325.969466] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 325.974841] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.979345] ? _raw_spin_unlock_irq+0x27/0x80 [ 325.983854] ? lockdep_hardirqs_on+0x421/0x5c0 [ 325.988445] ? trace_hardirqs_on+0xbd/0x310 [ 325.992787] ? kasan_check_read+0x11/0x20 [ 325.996946] ? finish_task_switch+0x1f4/0x910 [ 326.001460] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 326.006923] ? compat_start_thread+0x80/0x80 [ 326.011342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.016892] ? _raw_spin_unlock_irq+0x60/0x80 [ 326.021401] ? pvclock_read_flags+0x160/0x160 [ 326.025901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.031461] ? check_preemption_disabled+0x48/0x280 [ 326.036501] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 326.041788] ? rcu_pm_notify+0xc0/0xc0 [ 326.045688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.051232] ? check_preemption_disabled+0x48/0x280 [ 326.056263] run_timer_softirq+0x52/0xb0 [ 326.060335] ? rcu_read_lock_sched_held+0x108/0x120 [ 326.065376] __do_softirq+0x30c/0xb03 [ 326.069193] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 326.074303] ? trace_hardirqs_off+0x310/0x310 [ 326.078807] ? trace_hardirqs_on+0x310/0x310 [ 326.083225] ? schedule+0x108/0x460 [ 326.086856] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 326.091624] ? trace_hardirqs_off+0xb8/0x310 [ 326.096039] ? smpboot_thread_fn+0x68b/0xa00 [ 326.100460] ? trace_hardirqs_on+0x310/0x310 [ 326.104879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.110426] ? check_preemption_disabled+0x48/0x280 [ 326.115470] ? takeover_tasklets+0xa90/0xa90 [ 326.119892] run_ksoftirqd+0x94/0x100 [ 326.123697] smpboot_thread_fn+0x68b/0xa00 [ 326.127943] ? sort_range+0x30/0x30 [ 326.131577] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 326.136702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.142246] ? __kthread_parkme+0xfb/0x1a0 [ 326.146497] kthread+0x35a/0x420 [ 326.149866] ? sort_range+0x30/0x30 [ 326.153498] ? kthread_bind+0x40/0x40 [ 326.157310] ret_from_fork+0x3a/0x50 [ 326.161048] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 326.161050] Mem-Info: [ 326.161081] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 326.161081] active_file:11 inactive_file:12 isolated_file:0 [ 326.161081] unevictable:0 dirty:0 writeback:0 unstable:0 [ 326.161081] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 326.161081] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 326.161081] free:13647 free_pcp:360 free_cma:0 [ 326.168419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 326.170871] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 326.203910] Call Trace: [ 326.213255] Node 0 [ 326.240929] [ 326.243543] 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 [ 326.245756] dump_stack+0x1c4/0x2b6 [ 326.247877] lowmem_reserve[]: [ 326.273396] ? dump_stack_print_info.cold.1+0x20/0x20 [ 326.277002] 0 [ 326.280113] warn_alloc.cold.119+0xb7/0x1bd [ 326.285270] 2819 [ 326.287075] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 326.291376] 6323 [ 326.293436] ? lock_downgrade+0x900/0x900 [ 326.298264] 6323 [ 326.300334] ? trace_hardirqs_off+0xb8/0x310 [ 326.304461] Node 0 [ 326.306523] ? trace_hardirqs_off+0xb8/0x310 [ 326.310931] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 326.313147] __alloc_pages_slowpath+0x265e/0x2d70 [ 326.317523] lowmem_reserve[]: 0 [ 326.344296] ? warn_alloc+0x120/0x120 [ 326.349087] 0 [ 326.352362] ? trace_hardirqs_on+0x310/0x310 [ 326.356140] 3503 [ 326.357936] ? warn_alloc+0x120/0x120 [ 326.362322] 3503 [ 326.364397] ? print_usage_bug+0xc0/0xc0 [ 326.368175] Node 0 [ 326.370232] ? warn_alloc+0x120/0x120 [ 326.374320] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 326.376536] ? ktime_get+0x2e1/0x440 [ 326.380312] lowmem_reserve[]: [ 326.408766] ? print_usage_bug+0xc0/0xc0 [ 326.412482] 0 [ 326.415597] ? __lock_acquire+0x7ec/0x4ec0 [ 326.419663] 0 [ 326.421473] ? __lock_acquire+0x7ec/0x4ec0 [ 326.426865] 0 [ 326.428676] ? kasan_check_read+0x11/0x20 [ 326.432882] 0 [ 326.434694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.438820] Node 0 [ 326.440622] ? should_fail+0x22d/0xd01 [ 326.446137] DMA: [ 326.448376] ? rcu_bh_qs+0xc0/0xc0 [ 326.454418] 1*4kB [ 326.456487] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.460007] (U) [ 326.462155] ? __lock_acquire+0x7ec/0x4ec0 [ 326.468244] 0*8kB [ 326.470217] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.474432] 0*16kB [ 326.476587] ? __lock_acquire+0x7ec/0x4ec0 [ 326.481668] 1*32kB (U) [ 326.483914] ? should_fail+0x22d/0xd01 [ 326.488123] 2*64kB (U) [ 326.490720] ? rcu_idle_enter+0x4b0/0x4b0 [ 326.494587] 1*128kB [ 326.497176] ? mark_held_locks+0x130/0x130 [ 326.501303] (U) [ 326.503626] ? mark_held_locks+0x130/0x130 [ 326.507841] 1*256kB (U) [ 326.509828] ? mark_held_locks+0xc7/0x130 [ 326.514042] 0*512kB [ 326.516711] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 326.520836] 1*1024kB [ 326.523155] ? graph_lock+0x170/0x170 [ 326.528151] (U) [ 326.532009] ? print_usage_bug+0xc0/0xc0 [ 326.535788] 1*2048kB (M) [ 326.538774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.542812] 3*4096kB (M) [ 326.545582] ? check_preemption_disabled+0x48/0x280 [ 326.552648] = 15908kB [ 326.552656] Node 0 [ 326.555940] ? check_preemption_disabled+0x48/0x280 [ 326.561125] DMA32: [ 326.563546] ? __lock_is_held+0xb5/0x140 [ 326.565980] 4*4kB [ 326.571083] __alloc_pages_nodemask+0xa80/0xde0 [ 326.573486] (UM) [ 326.582234] ? graph_lock+0x170/0x170 [ 326.584503] 2*8kB [ 326.589345] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 326.591406] (UM) [ 326.595643] ? graph_lock+0x170/0x170 [ 326.597817] 2*16kB [ 326.604542] ? find_held_lock+0x36/0x1c0 [ 326.606602] (M) [ 326.610422] ? ____cache_alloc_node+0x1c7/0x1e0 [ 326.612697] 3*32kB [ 326.616948] ? lock_downgrade+0x900/0x900 [ 326.618923] (UM) [ 326.624403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.626634] 4*64kB [ 326.631771] cache_grow_begin+0x91/0x8c0 [ 326.634517] (M) [ 326.640071] ? do_raw_spin_unlock+0xa7/0x330 [ 326.642294] 4*128kB (UM) [ 326.646372] fallback_alloc+0x203/0x2e0 [ 326.648992] 3*256kB [ 326.657393] ____cache_alloc_node+0x1c7/0x1e0 [ 326.660224] (M) [ 326.664206] kmem_cache_alloc_node+0xe3/0x730 [ 326.666964] 3*512kB [ 326.671724] ? ipv6_get_ifaddr+0x42e/0x620 [ 326.673784] (M) 3*1024kB [ 326.680063] __alloc_skb+0x119/0x770 [ 326.682378] (UM) [ 326.687224] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 326.691473] 3*2048kB [ 326.695190] ? skb_scrub_packet+0x490/0x490 [ 326.697240] (M) [ 326.702540] ? lock_downgrade+0x900/0x900 [ 326.704941] 3*4096kB (M) [ 326.709294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.711267] = 24736kB [ 326.711276] Node 0 [ 326.715617] ? refcount_sub_and_test_checked+0x203/0x310 [ 326.718375] Normal: 592*4kB [ 326.725242] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 326.727652] (UMEH) [ 326.729889] ? addrconf_rs_timer+0x690/0x690 [ 326.735317] 405*8kB (UMEH) [ 326.738368] ndisc_alloc_skb+0x144/0x340 [ 326.743904] 177*16kB [ 326.746147] ndisc_send_rs+0x331/0x6e0 [ 326.751055] (UME) [ 326.755499] addrconf_rs_timer+0x314/0x690 [ 326.759543] 103*32kB [ 326.761950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.765816] (UMH) [ 326.767973] call_timer_fn+0x272/0x920 [ 326.772178] 15*64kB [ 326.774845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.780208] (UMH) [ 326.782885] ? process_timeout+0x40/0x40 [ 326.786757] 0*128kB 1*256kB [ 326.789116] ? find_held_lock+0x36/0x1c0 [ 326.793356] (H) [ 326.795515] ? __run_timers+0x7da/0xc70 [ 326.799703] 0*512kB [ 326.802744] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.806794] 1*1024kB [ 326.808863] ? _raw_spin_unlock_irq+0x27/0x80 [ 326.812833] (H) [ 326.815418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.819906] 0*2048kB 0*4096kB [ 326.823329] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 326.827807] = 13976kB [ 326.829798] ? trace_hardirqs_on+0xbd/0x310 [ 326.836784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 326.836795] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 326.836800] 1241 total pagecache pages [ 326.836816] 0 pages in swap cache [ 326.840018] ? kasan_check_read+0x11/0x20 [ 326.844676] Swap cache stats: add 0, delete 0, find 0/0 [ 326.847349] ? __run_timers+0x7da/0xc70 [ 326.851673] Free swap = 0kB [ 326.860515] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 326.871038] Total swap = 0kB [ 326.871046] 1965979 pages RAM [ 326.874943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.879154] 0 pages HighMem/MovableOnly [ 326.885037] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 326.890400] 342306 pages reserved [ 326.894495] __run_timers+0x7e5/0xc70 [ 326.897514] 0 pages cma reserved [ 326.902980] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 326.906050] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 326.909109] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 326.909124] ? graph_lock+0x170/0x170 [ 326.909143] ? enqueue_hrtimer+0x1a5/0x560 [ 326.914969] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 326.918911] ? lock_release+0x970/0x970 [ 326.923483] ksoftirqd/1 cpuset= [ 326.926938] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 326.930747] / [ 326.934123] ? find_held_lock+0x36/0x1c0 [ 326.940548] mems_allowed=0 [ 326.947056] ? graph_lock+0x170/0x170 [ 326.998384] ? pvclock_read_flags+0x160/0x160 [ 327.002887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.009395] ? check_preemption_disabled+0x48/0x280 [ 327.016866] ? __lock_is_held+0xb5/0x140 [ 327.020944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.027896] ? check_preemption_disabled+0x48/0x280 [ 327.032934] run_timer_softirq+0x52/0xb0 [ 327.037973] ? rcu_read_lock_sched_held+0x108/0x120 [ 327.043001] __do_softirq+0x30c/0xb03 [ 327.046826] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 327.051960] ? pvclock_read_flags+0x160/0x160 [ 327.056549] ? lapic_next_event+0x5a/0x90 [ 327.060700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.068304] ? check_preemption_disabled+0x48/0x280 [ 327.073948] ? check_preemption_disabled+0x48/0x280 [ 327.079680] ? kvm_clock_read+0x18/0x30 [ 327.083665] ? kvm_sched_clock_read+0x9/0x20 [ 327.090078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.095642] ? check_preemption_disabled+0x48/0x280 [ 327.100700] irq_exit+0x17f/0x1c0 [ 327.104166] smp_apic_timer_interrupt+0x1cb/0x760 [ 327.109017] ? smp_reschedule_interrupt+0x109/0x650 [ 327.114039] ? smp_call_function_single_interrupt+0x650/0x650 [ 327.119951] ? interrupt_entry+0xb5/0xf0 [ 327.124031] ? trace_hardirqs_off_caller+0xbb/0x310 [ 327.129581] ? trace_hardirqs_off_caller+0xbb/0x310 [ 327.134953] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.141385] ? trace_hardirqs_on_caller+0x310/0x310 [ 327.146496] ? trace_hardirqs_on_caller+0x310/0x310 [ 327.151543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.158551] ? check_preemption_disabled+0x48/0x280 [ 327.163924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.169683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.174542] apic_timer_interrupt+0xf/0x20 [ 327.178801] [ 327.181061] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 327.188008] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 327.207785] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 327.215591] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 327.222887] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 327.230161] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 327.237776] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 327.245054] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 327.253875] skb_clone+0x1bb/0x500 [ 327.257421] ? skb_split+0x11e0/0x11e0 [ 327.261321] ? check_preemption_disabled+0x48/0x280 [ 327.266436] ? __this_cpu_preempt_check+0x1c/0x20 [ 327.272345] ? __bpf_redirect+0x54b/0xb20 [ 327.276520] bpf_clone_redirect+0xb9/0x490 [ 327.280770] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 327.285805] ? __sched_text_start+0x8/0x8 [ 327.291218] ? find_held_lock+0x36/0x1c0 [ 327.296591] ? lock_acquire+0x1ed/0x520 [ 327.300599] ? bpf_test_run+0x3cb/0x780 [ 327.304593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.310152] ? check_preemption_disabled+0x48/0x280 [ 327.315185] ? kasan_check_read+0x11/0x20 [ 327.319838] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 327.327122] ? rcu_bh_qs+0xc0/0xc0 [ 327.330680] ? preempt_schedule+0x4d/0x60 [ 327.334831] ? ___preempt_schedule+0x16/0x18 [ 327.339252] ? bpf_test_run+0x25d/0x780 [ 327.344761] ? netlink_diag_dump+0x2a0/0x2a0 [ 327.349305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.354851] ? bpf_test_init.isra.10+0x70/0x100 [ 327.359526] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 327.364292] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 327.369135] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 327.376375] ? fput+0x130/0x1a0 [ 327.379929] ? __bpf_prog_get+0x9b/0x290 [ 327.384001] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 327.388943] ? bpf_prog_test_run+0x130/0x1a0 [ 327.393888] ? __x64_sys_bpf+0x3d8/0x520 [ 327.398821] ? bpf_prog_get+0x20/0x20 [ 327.402650] ? do_syscall_64+0x1b9/0x820 [ 327.406721] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 327.412104] ? syscall_return_slowpath+0x5e0/0x5e0 [ 327.417066] ? trace_hardirqs_on_caller+0x310/0x310 [ 327.422093] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 327.428615] ? recalc_sigpending_tsk+0x180/0x180 [ 327.433377] ? kasan_check_write+0x14/0x20 [ 327.438633] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 327.443494] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 327.448880] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 327.448952] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 327.455984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 327.455993] Call Trace: [ 327.462574] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 327.473591] dump_stack+0x1c4/0x2b6 [ 327.476166] syz-executor0 cpuset= [ 327.489121] ? dump_stack_print_info.cold.1+0x20/0x20 [ 327.492746] syz0 [ 327.496562] warn_alloc.cold.119+0xb7/0x1bd [ 327.501734] mems_allowed=0 [ 327.504581] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 327.521023] ? lock_downgrade+0x900/0x900 [ 327.525205] ? trace_hardirqs_off+0xb8/0x310 [ 327.529629] ? trace_hardirqs_off+0xb8/0x310 [ 327.535066] __alloc_pages_slowpath+0x265e/0x2d70 [ 327.540842] ? warn_alloc+0x120/0x120 [ 327.544687] ? warn_alloc+0x120/0x120 [ 327.548524] ? print_usage_bug+0xc0/0xc0 [ 327.552611] ? warn_alloc+0x120/0x120 [ 327.561210] ? print_usage_bug+0xc0/0xc0 [ 327.565316] ? __lock_acquire+0x7ec/0x4ec0 [ 327.569578] ? __lock_acquire+0x7ec/0x4ec0 [ 327.573847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.587749] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.593329] ? should_fail+0x22d/0xd01 [ 327.597267] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.603603] ? __lock_acquire+0x7ec/0x4ec0 [ 327.607862] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.612991] ? __lock_acquire+0x7ec/0x4ec0 [ 327.617841] ? should_fail+0x22d/0xd01 [ 327.623051] ? mark_held_locks+0x130/0x130 [ 327.627309] ? mark_held_locks+0x130/0x130 [ 327.631563] ? graph_lock+0x170/0x170 [ 327.635388] ? print_usage_bug+0xc0/0xc0 [ 327.639464] ? graph_lock+0x170/0x170 [ 327.643298] ? print_usage_bug+0xc0/0xc0 [ 327.648861] ? wq_watchdog_touch+0x9c/0xfe [ 327.653110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.658661] ? check_preemption_disabled+0x48/0x280 [ 327.664643] ? check_preemption_disabled+0x48/0x280 [ 327.671619] ? __lock_is_held+0xb5/0x140 [ 327.675811] __alloc_pages_nodemask+0xa80/0xde0 [ 327.680494] ? graph_lock+0x170/0x170 [ 327.684312] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 327.689491] ? graph_lock+0x170/0x170 [ 327.694968] ? find_held_lock+0x36/0x1c0 [ 327.699061] ? ____cache_alloc_node+0x1c7/0x1e0 [ 327.708883] ? lock_downgrade+0x900/0x900 [ 327.713061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.718615] cache_grow_begin+0x91/0x8c0 [ 327.723389] ? do_raw_spin_unlock+0xa7/0x330 [ 327.727832] fallback_alloc+0x203/0x2e0 [ 327.733331] ____cache_alloc_node+0x1c7/0x1e0 [ 327.737850] kmem_cache_alloc_node+0xe3/0x730 [ 327.742375] ? ipv6_get_ifaddr+0x42e/0x620 [ 327.746633] __alloc_skb+0x119/0x770 [ 327.750365] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 327.756475] ? skb_scrub_packet+0x490/0x490 [ 327.761819] ? lock_downgrade+0x900/0x900 [ 327.765998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.771547] ? refcount_sub_and_test_checked+0x203/0x310 [ 327.777003] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 327.782463] ? addrconf_rs_timer+0x690/0x690 [ 327.788340] ndisc_alloc_skb+0x144/0x340 [ 327.792409] ndisc_send_rs+0x331/0x6e0 [ 327.796309] addrconf_rs_timer+0x314/0x690 [ 327.800557] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.804807] call_timer_fn+0x272/0x920 [ 327.808700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.813899] ? process_timeout+0x40/0x40 [ 327.817963] ? find_held_lock+0x36/0x1c0 [ 327.822035] ? __run_timers+0x7da/0xc70 [ 327.826023] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.830524] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.835022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.839563] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 327.844248] ? trace_hardirqs_on+0xbd/0x310 [ 327.849383] ? kasan_check_read+0x11/0x20 [ 327.853827] ? __run_timers+0x7da/0xc70 [ 327.858184] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 327.863753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.874694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 327.880783] __run_timers+0x7e5/0xc70 [ 327.885058] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 327.890431] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.894978] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.900954] ? lockdep_hardirqs_on+0x421/0x5c0 [ 327.905551] ? trace_hardirqs_on+0xbd/0x310 [ 327.909897] ? kasan_check_read+0x11/0x20 [ 327.914081] ? finish_task_switch+0x1f4/0x910 [ 327.920650] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 327.926134] ? compat_start_thread+0x80/0x80 [ 327.930906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.936478] ? _raw_spin_unlock_irq+0x60/0x80 [ 327.940991] ? pvclock_read_flags+0x160/0x160 [ 327.948873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.954513] ? check_preemption_disabled+0x48/0x280 [ 327.960543] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 327.970907] ? rcu_pm_notify+0xc0/0xc0 [ 327.974811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.980655] ? check_preemption_disabled+0x48/0x280 [ 327.985798] run_timer_softirq+0x52/0xb0 [ 327.989874] ? rcu_read_lock_sched_held+0x108/0x120 [ 327.996828] __do_softirq+0x30c/0xb03 [ 328.000681] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 328.005817] ? trace_hardirqs_off+0x310/0x310 [ 328.010323] ? trace_hardirqs_on+0x310/0x310 [ 328.016194] ? schedule+0x108/0x460 [ 328.020873] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 328.025735] ? trace_hardirqs_off+0xb8/0x310 [ 328.030149] ? smpboot_thread_fn+0x68b/0xa00 [ 328.034579] ? trace_hardirqs_on+0x310/0x310 [ 328.040507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.046067] ? check_preemption_disabled+0x48/0x280 [ 328.051100] ? takeover_tasklets+0xa90/0xa90 [ 328.056521] run_ksoftirqd+0x94/0x100 [ 328.060338] smpboot_thread_fn+0x68b/0xa00 [ 328.065560] ? sort_range+0x30/0x30 [ 328.069199] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 328.074754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.082047] ? __kthread_parkme+0xfb/0x1a0 [ 328.086306] kthread+0x35a/0x420 [ 328.090648] ? sort_range+0x30/0x30 [ 328.094297] ? kthread_bind+0x40/0x40 [ 328.098204] ret_from_fork+0x3a/0x50 [ 328.102993] warn_alloc_show_mem: 1 callbacks suppressed [ 328.103006] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 328.103008] Mem-Info: [ 328.103041] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 328.103041] active_file:11 inactive_file:12 isolated_file:0 [ 328.103041] unevictable:0 dirty:0 writeback:0 unstable:0 [ 328.103041] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 328.103041] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 328.103041] free:13647 free_pcp:360 free_cma:0 [ 328.108384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.115759] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 328.118162] Call Trace: [ 328.152461] Node 0 [ 328.163322] [ 328.193604] 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 [ 328.196199] dump_stack+0x1c4/0x2b6 [ 328.198420] lowmem_reserve[]: 0 [ 328.200606] ? dump_stack_print_info.cold.1+0x20/0x20 [ 328.227207] 2819 6323 [ 328.230855] warn_alloc.cold.119+0xb7/0x1bd [ 328.234112] 6323 [ 328.239305] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 328.241796] Node 0 [ 328.246115] ? lock_downgrade+0x900/0x900 [ 328.248177] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 328.254503] ? trace_hardirqs_off+0xb8/0x310 [ 328.256713] lowmem_reserve[]: 0 [ 328.260872] ? trace_hardirqs_off+0xb8/0x310 [ 328.293404] 0 [ 328.299840] __alloc_pages_slowpath+0x265e/0x2d70 [ 328.303092] 3503 [ 328.307522] ? warn_alloc+0x120/0x120 [ 328.309287] 3503 [ 328.314215] ? trace_hardirqs_on+0x310/0x310 [ 328.317262] Node 0 [ 328.321069] ? warn_alloc+0x120/0x120 [ 328.323167] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 328.328256] ? print_usage_bug+0xc0/0xc0 [ 328.330487] lowmem_reserve[]: 0 [ 328.334304] ? warn_alloc+0x120/0x120 [ 328.367448] 0 0 [ 328.371528] ? ktime_get+0x2e1/0x440 [ 328.374775] 0 [ 328.378583] ? print_usage_bug+0xc0/0xc0 [ 328.380673] Node 0 [ 328.384563] ? __lock_acquire+0x7ec/0x4ec0 [ 328.386369] DMA: [ 328.390431] ? __lock_acquire+0x7ec/0x4ec0 [ 328.392825] 1*4kB [ 328.398025] ? kasan_check_read+0x11/0x20 [ 328.400068] (U) [ 328.404412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.406551] 0*8kB [ 328.410697] ? should_fail+0x22d/0xd01 [ 328.412679] 0*16kB [ 328.418227] ? rcu_bh_qs+0xc0/0xc0 [ 328.421348] 1*32kB (U) [ 328.425267] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.427505] 2*64kB [ 328.431051] ? __lock_acquire+0x7ec/0x4ec0 [ 328.433614] (U) 1*128kB [ 328.438728] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.440949] (U) [ 328.448726] ? __lock_acquire+0x7ec/0x4ec0 [ 328.451412] 1*256kB (U) [ 328.456701] ? should_fail+0x22d/0xd01 [ 328.458676] 0*512kB 1*1024kB [ 328.462935] ? rcu_idle_enter+0x4b0/0x4b0 [ 328.467307] (U) [ 328.473189] ? mark_held_locks+0x130/0x130 [ 328.473200] ? mark_held_locks+0x130/0x130 [ 328.473210] ? mark_held_locks+0xc7/0x130 [ 328.473219] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 328.473227] ? graph_lock+0x170/0x170 [ 328.473234] ? print_usage_bug+0xc0/0xc0 [ 328.473245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.473255] ? check_preemption_disabled+0x48/0x280 [ 328.473263] ? check_preemption_disabled+0x48/0x280 [ 328.473276] ? __lock_is_held+0xb5/0x140 [ 328.473293] __alloc_pages_nodemask+0xa80/0xde0 [ 328.473313] ? graph_lock+0x170/0x170 [ 328.476410] 1*2048kB [ 328.481007] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 328.482979] (M) [ 328.487317] ? graph_lock+0x170/0x170 [ 328.491738] 3*4096kB [ 328.495910] ? find_held_lock+0x36/0x1c0 [ 328.500901] (M) = 15908kB [ 328.504725] ? ____cache_alloc_node+0x1c7/0x1e0 [ 328.508771] Node 0 [ 328.515795] ? lock_downgrade+0x900/0x900 [ 328.520808] DMA32: [ 328.526256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.530296] 4*4kB [ 328.534962] cache_grow_begin+0x91/0x8c0 [ 328.539887] (UM) [ 328.542305] ? do_raw_spin_unlock+0xa7/0x330 [ 328.547314] 2*8kB [ 328.549289] fallback_alloc+0x203/0x2e0 [ 328.553509] (UM) 2*16kB [ 328.555960] ____cache_alloc_node+0x1c7/0x1e0 [ 328.560024] (M) [ 328.563086] kmem_cache_alloc_node+0xe3/0x730 [ 328.567749] 3*32kB [ 328.570042] ? ipv6_get_ifaddr+0x42e/0x620 [ 328.575254] (UM) [ 328.577672] __alloc_skb+0x119/0x770 [ 328.583199] 4*64kB (M) [ 328.585368] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 328.589430] 4*128kB (UM) [ 328.591535] ? skb_scrub_packet+0x490/0x490 [ 328.596556] 3*256kB [ 328.599678] ? lock_downgrade+0x900/0x900 [ 328.603636] (M) [ 328.606319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.610811] 3*512kB [ 328.612800] ? refcount_sub_and_test_checked+0x203/0x310 [ 328.617446] (M) [ 328.619709] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 328.625161] 3*1024kB (UM) [ 328.627239] ? addrconf_rs_timer+0x690/0x690 [ 328.631051] 3*2048kB [ 328.633648] ndisc_alloc_skb+0x144/0x340 [ 328.639869] (M) [ 328.644285] ndisc_send_rs+0x331/0x6e0 [ 328.650161] 3*4096kB [ 328.652494] addrconf_rs_timer+0x314/0x690 [ 328.656642] (M) [ 328.658623] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.665445] = 24736kB [ 328.667811] call_timer_fn+0x272/0x920 [ 328.673324] Node 0 [ 328.675994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.681421] Normal: [ 328.684262] ? process_timeout+0x40/0x40 [ 328.688648] 592*4kB [ 328.691052] ? find_held_lock+0x36/0x1c0 [ 328.696589] (UMEH) [ 328.698571] ? __run_timers+0x7da/0xc70 [ 328.702464] 405*8kB (UMEH) [ 328.705256] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.709476] 177*16kB [ 328.711467] ? _raw_spin_unlock_irq+0x27/0x80 [ 328.715688] (UME) [ 328.719639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.723976] 103*32kB [ 328.726307] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 328.730544] (UMH) [ 328.732877] ? trace_hardirqs_on+0xbd/0x310 [ 328.736923] 15*64kB [ 328.739682] ? kasan_check_read+0x11/0x20 [ 328.743739] (UMH) [ 328.745992] ? __run_timers+0x7da/0xc70 [ 328.749986] 0*128kB [ 328.752923] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 328.757404] 1*256kB [ 328.760852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.765331] (H) [ 328.767503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 328.771724] 0*512kB [ 328.774398] __run_timers+0x7e5/0xc70 [ 328.781221] 1*1024kB [ 328.783395] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 328.788555] (H) 0*2048kB [ 328.791148] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 328.795274] 0*4096kB [ 328.797423] ? graph_lock+0x170/0x170 [ 328.801370] = 13976kB [ 328.801384] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 328.803701] ? enqueue_hrtimer+0x1a5/0x560 [ 328.810644] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 328.812969] ? lock_release+0x970/0x970 [ 328.817180] 1241 total pagecache pages [ 328.819151] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 328.823381] 0 pages in swap cache [ 328.825700] ? find_held_lock+0x36/0x1c0 [ 328.829497] Swap cache stats: add 0, delete 0, find 0/0 [ 328.831898] ? graph_lock+0x170/0x170 [ 328.838207] Free swap = 0kB [ 328.841059] ? pvclock_read_flags+0x160/0x160 [ 328.846785] Total swap = 0kB [ 328.846795] 1965979 pages RAM [ 328.849389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.853159] 0 pages HighMem/MovableOnly [ 328.853168] 342306 pages reserved [ 328.855577] ? check_preemption_disabled+0x48/0x280 [ 328.864940] 0 pages cma reserved [ 328.865023] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 328.869207] ? __lock_is_held+0xb5/0x140 [ 328.869223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.869243] ? check_preemption_disabled+0x48/0x280 [ 328.878502] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 328.882363] run_timer_softirq+0x52/0xb0 [ 328.886585] ksoftirqd/1 cpuset= [ 328.892768] ? rcu_read_lock_sched_held+0x108/0x120 [ 328.896197] / [ 328.902719] __do_softirq+0x30c/0xb03 [ 328.908792] mems_allowed=0 [ 328.912670] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 329.011846] ? pvclock_read_flags+0x160/0x160 [ 329.017366] ? lapic_next_event+0x5a/0x90 [ 329.021524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.027421] ? check_preemption_disabled+0x48/0x280 [ 329.032545] ? check_preemption_disabled+0x48/0x280 [ 329.037763] ? kvm_clock_read+0x18/0x30 [ 329.043236] ? kvm_sched_clock_read+0x9/0x20 [ 329.047672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.053214] ? check_preemption_disabled+0x48/0x280 [ 329.059295] irq_exit+0x17f/0x1c0 [ 329.062799] smp_apic_timer_interrupt+0x1cb/0x760 [ 329.067672] ? smp_reschedule_interrupt+0x109/0x650 [ 329.072707] ? smp_call_function_single_interrupt+0x650/0x650 [ 329.078623] ? interrupt_entry+0xb5/0xf0 [ 329.083227] ? trace_hardirqs_off_caller+0xbb/0x310 [ 329.089284] ? trace_hardirqs_off_caller+0xbb/0x310 [ 329.094305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.099520] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.104551] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.109620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.116651] ? check_preemption_disabled+0x48/0x280 [ 329.121678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.128628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.133526] apic_timer_interrupt+0xf/0x20 [ 329.137864] [ 329.140135] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 329.145088] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 329.164014] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 329.173259] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 329.180538] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 329.189010] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 329.196286] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 329.203585] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 329.210916] skb_clone+0x1bb/0x500 [ 329.214477] ? skb_split+0x11e0/0x11e0 [ 329.218490] ? check_preemption_disabled+0x48/0x280 [ 329.224588] ? __this_cpu_preempt_check+0x1c/0x20 [ 329.229481] ? __bpf_redirect+0x54b/0xb20 [ 329.233847] bpf_clone_redirect+0xb9/0x490 [ 329.239059] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 329.244354] ? __sched_text_start+0x8/0x8 [ 329.250036] ? find_held_lock+0x36/0x1c0 [ 329.255104] ? lock_acquire+0x1ed/0x520 [ 329.259092] ? bpf_test_run+0x3cb/0x780 [ 329.263091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.268636] ? check_preemption_disabled+0x48/0x280 [ 329.273666] ? kasan_check_read+0x11/0x20 [ 329.277825] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 329.284321] ? rcu_bh_qs+0xc0/0xc0 [ 329.288499] ? preempt_schedule+0x4d/0x60 [ 329.292743] ? ___preempt_schedule+0x16/0x18 [ 329.297638] ? bpf_test_run+0x25d/0x780 [ 329.301828] ? netlink_diag_dump+0x2a0/0x2a0 [ 329.307408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.312958] ? bpf_test_init.isra.10+0x70/0x100 [ 329.318696] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 329.323479] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 329.328426] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 329.333981] ? fput+0x130/0x1a0 [ 329.337275] ? __bpf_prog_get+0x9b/0x290 [ 329.341377] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 329.347759] ? bpf_prog_test_run+0x130/0x1a0 [ 329.352199] ? __x64_sys_bpf+0x3d8/0x520 [ 329.356266] ? bpf_prog_get+0x20/0x20 [ 329.361080] ? do_syscall_64+0x1b9/0x820 [ 329.365154] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 329.370619] ? syscall_return_slowpath+0x5e0/0x5e0 [ 329.375570] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.380607] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 329.385637] ? recalc_sigpending_tsk+0x180/0x180 [ 329.390417] ? kasan_check_write+0x14/0x20 [ 329.394838] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.399967] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 329.406887] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 329.407316] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 329.413427] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 329.420485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 329.430959] syz-executor0 cpuset= [ 329.451144] Call Trace: [ 329.451155] syz0 [ 329.454616] dump_stack+0x1c4/0x2b6 [ 329.458236] mems_allowed=0 [ 329.466766] ? dump_stack_print_info.cold.1+0x20/0x20 [ 329.471975] warn_alloc.cold.119+0xb7/0x1bd [ 329.476309] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 329.481955] ? lock_downgrade+0x900/0x900 [ 329.487716] ? trace_hardirqs_off+0xb8/0x310 [ 329.492156] ? trace_hardirqs_off+0xb8/0x310 [ 329.496597] __alloc_pages_slowpath+0x265e/0x2d70 [ 329.501488] ? warn_alloc+0x120/0x120 [ 329.506518] ? warn_alloc+0x120/0x120 [ 329.511836] ? print_usage_bug+0xc0/0xc0 [ 329.515907] ? warn_alloc+0x120/0x120 [ 329.519727] ? print_usage_bug+0xc0/0xc0 [ 329.523803] ? __lock_acquire+0x7ec/0x4ec0 [ 329.529108] ? __lock_acquire+0x7ec/0x4ec0 [ 329.533361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.544261] ? should_fail+0x22d/0xd01 [ 329.548191] ? __lock_acquire+0x7ec/0x4ec0 [ 329.552447] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.557576] ? __lock_acquire+0x7ec/0x4ec0 [ 329.569919] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.575638] ? __lock_acquire+0x7ec/0x4ec0 [ 329.579911] ? should_fail+0x22d/0xd01 [ 329.583819] ? mark_held_locks+0x130/0x130 [ 329.588158] ? mark_held_locks+0x130/0x130 [ 329.592427] ? graph_lock+0x170/0x170 [ 329.597821] ? print_usage_bug+0xc0/0xc0 [ 329.601912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.607501] ? check_preemption_disabled+0x48/0x280 [ 329.615326] ? check_preemption_disabled+0x48/0x280 [ 329.620358] ? __lock_is_held+0xb5/0x140 [ 329.624460] __alloc_pages_nodemask+0xa80/0xde0 [ 329.629165] ? graph_lock+0x170/0x170 [ 329.633084] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 329.638371] ? graph_lock+0x170/0x170 [ 329.643689] ? find_held_lock+0x36/0x1c0 [ 329.647777] ? ____cache_alloc_node+0x1c7/0x1e0 [ 329.652481] ? lock_downgrade+0x900/0x900 [ 329.656679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.662319] cache_grow_begin+0x91/0x8c0 [ 329.666384] ? do_raw_spin_unlock+0xa7/0x330 [ 329.671825] fallback_alloc+0x203/0x2e0 [ 329.675828] ____cache_alloc_node+0x1c7/0x1e0 [ 329.680336] kmem_cache_alloc_node+0xe3/0x730 [ 329.684838] ? ipv6_get_ifaddr+0x42e/0x620 [ 329.689085] __alloc_skb+0x119/0x770 [ 329.692805] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 329.698263] ? skb_scrub_packet+0x490/0x490 [ 329.702595] ? lock_downgrade+0x900/0x900 [ 329.706753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.712306] ? refcount_sub_and_test_checked+0x203/0x310 [ 329.717764] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 329.723590] ? addrconf_rs_timer+0x690/0x690 [ 329.728211] ndisc_alloc_skb+0x144/0x340 [ 329.732823] ndisc_send_rs+0x331/0x6e0 [ 329.741021] addrconf_rs_timer+0x314/0x690 [ 329.745300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.756512] call_timer_fn+0x272/0x920 [ 329.760409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.764675] ? process_timeout+0x40/0x40 [ 329.768762] ? find_held_lock+0x36/0x1c0 [ 329.772847] ? __run_timers+0x7da/0xc70 [ 329.776836] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.781340] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.786956] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.792167] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 329.796767] ? trace_hardirqs_on+0xbd/0x310 [ 329.801093] ? kasan_check_read+0x11/0x20 [ 329.805249] ? __run_timers+0x7da/0xc70 [ 329.811751] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 329.817673] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 329.821938] __run_timers+0x7e5/0xc70 [ 329.825765] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 329.831142] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.837740] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.842251] ? lockdep_hardirqs_on+0x421/0x5c0 [ 329.848074] ? trace_hardirqs_on+0xbd/0x310 [ 329.863602] ? kasan_check_read+0x11/0x20 [ 329.867848] ? finish_task_switch+0x1f4/0x910 [ 329.872350] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 329.877999] ? compat_start_thread+0x80/0x80 [ 329.882782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.889987] ? _raw_spin_unlock_irq+0x60/0x80 [ 329.900571] ? pvclock_read_flags+0x160/0x160 [ 329.905163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.911582] ? check_preemption_disabled+0x48/0x280 [ 329.917824] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 329.924765] ? rcu_pm_notify+0xc0/0xc0 [ 329.929108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.934671] ? check_preemption_disabled+0x48/0x280 [ 329.939711] run_timer_softirq+0x52/0xb0 [ 329.945271] ? rcu_read_lock_sched_held+0x108/0x120 [ 329.950333] __do_softirq+0x30c/0xb03 [ 329.954153] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 329.960687] ? trace_hardirqs_off+0x310/0x310 [ 329.965183] ? trace_hardirqs_on+0x310/0x310 [ 329.969600] ? schedule+0x108/0x460 [ 329.973233] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 329.978004] ? trace_hardirqs_off+0xb8/0x310 [ 329.982417] ? smpboot_thread_fn+0x68b/0xa00 [ 329.988386] ? trace_hardirqs_on+0x310/0x310 [ 329.993159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.998707] ? check_preemption_disabled+0x48/0x280 [ 330.004288] ? takeover_tasklets+0xa90/0xa90 [ 330.008713] run_ksoftirqd+0x94/0x100 [ 330.014470] smpboot_thread_fn+0x68b/0xa00 [ 330.019770] ? sort_range+0x30/0x30 [ 330.023507] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 330.035750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.041297] ? __kthread_parkme+0xfb/0x1a0 [ 330.045737] kthread+0x35a/0x420 [ 330.049377] ? sort_range+0x30/0x30 [ 330.053013] ? kthread_bind+0x40/0x40 [ 330.057349] ret_from_fork+0x3a/0x50 [ 330.061093] warn_alloc_show_mem: 1 callbacks suppressed [ 330.061105] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 330.061107] Mem-Info: [ 330.061139] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 330.061139] active_file:11 inactive_file:12 isolated_file:0 [ 330.061139] unevictable:0 dirty:0 writeback:0 unstable:0 [ 330.061139] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 330.061139] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 330.061139] free:13647 free_pcp:360 free_cma:0 [ 330.067527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.074942] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 330.077354] Call Trace: [ 330.111395] Node 0 [ 330.121748] [ 330.150465] 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 [ 330.153040] dump_stack+0x1c4/0x2b6 [ 330.155250] lowmem_reserve[]: 0 [ 330.158476] ? dump_stack_print_info.cold.1+0x20/0x20 [ 330.184946] 2819 [ 330.188780] warn_alloc.cold.119+0xb7/0x1bd [ 330.192053] 6323 [ 330.197258] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 330.199307] 6323 [ 330.203651] ? lock_downgrade+0x900/0x900 [ 330.210561] ? trace_hardirqs_off+0xb8/0x310 [ 330.212605] Node 0 [ 330.216778] ? trace_hardirqs_off+0xb8/0x310 [ 330.222183] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 330.224402] __alloc_pages_slowpath+0x265e/0x2d70 [ 330.229136] lowmem_reserve[]: [ 330.257292] ? warn_alloc+0x120/0x120 [ 330.262449] 0 [ 330.265656] ? warn_alloc+0x120/0x120 [ 330.270579] 0 [ 330.272389] ? print_usage_bug+0xc0/0xc0 [ 330.280680] 3503 [ 330.283534] ? warn_alloc+0x120/0x120 [ 330.287589] 3503 [ 330.289690] ? print_usage_bug+0xc0/0xc0 [ 330.293480] Node 0 [ 330.295559] ? __lock_acquire+0x7ec/0x4ec0 [ 330.299669] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 330.301916] ? __lock_acquire+0x7ec/0x4ec0 [ 330.307195] lowmem_reserve[]: 0 [ 330.338419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.342650] 0 [ 330.346143] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.351759] 0 [ 330.354768] ? should_fail+0x22d/0xd01 [ 330.360644] 0 [ 330.362473] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.366346] Node 0 [ 330.368159] ? __lock_acquire+0x7ec/0x4ec0 [ 330.373944] DMA: [ 330.377069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.381298] 1*4kB [ 330.383354] ? __lock_acquire+0x7ec/0x4ec0 [ 330.388471] (U) [ 330.390623] ? should_fail+0x22d/0xd01 [ 330.394839] 0*8kB 0*16kB [ 330.396853] ? mark_held_locks+0x130/0x130 [ 330.400714] 1*32kB (U) [ 330.403504] ? mark_held_locks+0x130/0x130 [ 330.407721] 2*64kB [ 330.410329] ? graph_lock+0x170/0x170 [ 330.415617] (U) [ 330.418391] ? print_usage_bug+0xc0/0xc0 [ 330.424386] 1*128kB [ 330.427590] ? graph_lock+0x170/0x170 [ 330.431631] (U) [ 330.433970] ? print_usage_bug+0xc0/0xc0 [ 330.437815] 1*256kB (U) [ 330.439809] ? wq_watchdog_touch+0x9c/0xfe [ 330.443865] 0*512kB [ 330.446555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.450783] 1*1024kB [ 330.453116] ? check_preemption_disabled+0x48/0x280 [ 330.459424] (U) [ 330.461849] ? check_preemption_disabled+0x48/0x280 [ 330.466944] 1*2048kB (M) [ 330.469816] ? __lock_is_held+0xb5/0x140 [ 330.476036] 3*4096kB [ 330.480285] __alloc_pages_nodemask+0xa80/0xde0 [ 330.486794] (M) [ 330.491384] ? graph_lock+0x170/0x170 [ 330.497645] = 15908kB [ 330.500450] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 330.504864] Node 0 [ 330.508058] ? graph_lock+0x170/0x170 [ 330.513079] DMA32: [ 330.515331] ? find_held_lock+0x36/0x1c0 [ 330.522253] 4*4kB [ 330.524497] ? ____cache_alloc_node+0x1c7/0x1e0 [ 330.528603] (UM) [ 330.530769] ? lock_downgrade+0x900/0x900 [ 330.535423] 2*8kB [ 330.537500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.541651] (UM) [ 330.543814] cache_grow_begin+0x91/0x8c0 [ 330.550330] 2*16kB [ 330.552411] ? do_raw_spin_unlock+0xa7/0x330 [ 330.558605] (M) 3*32kB [ 330.560878] fallback_alloc+0x203/0x2e0 [ 330.565278] (UM) [ 330.567873] ____cache_alloc_node+0x1c7/0x1e0 [ 330.571833] 4*64kB [ 330.574097] kmem_cache_alloc_node+0xe3/0x730 [ 330.578668] (M) [ 330.580911] ? ipv6_get_ifaddr+0x42e/0x620 [ 330.586866] 4*128kB [ 330.588855] __alloc_skb+0x119/0x770 [ 330.593081] (UM) [ 330.595936] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 330.599633] 3*256kB [ 330.602691] ? skb_scrub_packet+0x490/0x490 [ 330.608740] (M) [ 330.611073] ? lock_downgrade+0x900/0x900 [ 330.616382] 3*512kB [ 330.619167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.623576] (M) 3*1024kB [ 330.625935] ? refcount_sub_and_test_checked+0x203/0x310 [ 330.632525] (UM) 3*2048kB [ 330.635554] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 330.645417] (M) 3*4096kB [ 330.654214] ? addrconf_rs_timer+0x690/0x690 [ 330.654229] ndisc_alloc_skb+0x144/0x340 [ 330.654240] ndisc_send_rs+0x331/0x6e0 [ 330.654251] addrconf_rs_timer+0x314/0x690 [ 330.654261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.654278] call_timer_fn+0x272/0x920 [ 330.654287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.654301] ? process_timeout+0x40/0x40 [ 330.654320] ? find_held_lock+0x36/0x1c0 [ 330.660103] (M) [ 330.662888] ? __run_timers+0x7da/0xc70 [ 330.669970] = 24736kB [ 330.669978] Node 0 [ 330.675591] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.682680] Normal: [ 330.686962] ? _raw_spin_unlock_irq+0x27/0x80 [ 330.691537] 592*4kB [ 330.696993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.701213] (UMEH) [ 330.706404] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 330.710541] 405*8kB [ 330.712523] ? trace_hardirqs_on+0xbd/0x310 [ 330.716482] (UMEH) [ 330.718895] ? kasan_check_read+0x11/0x20 [ 330.721204] 177*16kB [ 330.725988] ? __run_timers+0x7da/0xc70 [ 330.728304] (UME) [ 330.734328] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 330.736639] 103*32kB [ 330.742046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.744281] (UMH) [ 330.753157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 330.758069] 15*64kB [ 330.763608] __run_timers+0x7e5/0xc70 [ 330.766082] (UMH) [ 330.770526] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 330.772925] 0*128kB [ 330.777435] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 330.779569] 1*256kB [ 330.785014] ? graph_lock+0x170/0x170 [ 330.787403] (H) [ 330.791645] ? enqueue_hrtimer+0x1a5/0x560 [ 330.793781] 0*512kB [ 330.798012] ? lock_release+0x970/0x970 [ 330.800315] 1*1024kB [ 330.805091] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 330.805103] ? find_held_lock+0x36/0x1c0 [ 330.805112] ? graph_lock+0x170/0x170 [ 330.805122] ? pvclock_read_flags+0x160/0x160 [ 330.805131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.805142] ? check_preemption_disabled+0x48/0x280 [ 330.805155] ? __lock_is_held+0xb5/0x140 [ 330.805164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.805172] ? check_preemption_disabled+0x48/0x280 [ 330.805185] run_timer_softirq+0x52/0xb0 [ 330.805194] ? rcu_read_lock_sched_held+0x108/0x120 [ 330.805204] __do_softirq+0x30c/0xb03 [ 330.805217] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 330.805227] ? pvclock_read_flags+0x160/0x160 [ 330.805235] ? lapic_next_event+0x5a/0x90 [ 330.805243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.805252] ? check_preemption_disabled+0x48/0x280 [ 330.805260] ? check_preemption_disabled+0x48/0x280 [ 330.805271] ? kvm_clock_read+0x18/0x30 [ 330.805279] ? kvm_sched_clock_read+0x9/0x20 [ 330.805290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.805304] ? check_preemption_disabled+0x48/0x280 [ 330.805329] irq_exit+0x17f/0x1c0 [ 330.807466] (H) [ 330.812834] smp_apic_timer_interrupt+0x1cb/0x760 [ 330.815429] 0*2048kB [ 330.822022] ? smp_reschedule_interrupt+0x109/0x650 [ 330.824329] 0*4096kB = 13976kB [ 330.828132] ? smp_call_function_single_interrupt+0x650/0x650 [ 330.830092] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 330.834318] ? interrupt_entry+0xb5/0xf0 [ 330.836626] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 330.840593] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.842985] 1241 total pagecache pages [ 330.848718] ? trace_hardirqs_off_caller+0xbb/0x310 [ 330.852950] 0 pages in swap cache [ 330.857385] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.862565] Swap cache stats: add 0, delete 0, find 0/0 [ 330.868275] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.874353] Free swap = 0kB [ 330.874362] Total swap = 0kB [ 330.878439] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.885329] 1965979 pages RAM [ 330.898069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.902481] 0 pages HighMem/MovableOnly [ 330.908816] ? check_preemption_disabled+0x48/0x280 [ 330.913208] 342306 pages reserved [ 330.913217] 0 pages cma reserved [ 330.919816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.919839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.924402] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 330.929473] apic_timer_interrupt+0xf/0x20 [ 330.929482] [ 330.929499] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 330.929515] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 330.935203] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 330.940168] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 [ 330.945271] ksoftirqd/1 cpuset= [ 330.949328] ORIG_RAX: ffffffffffffff13 [ 330.953990] / [ 330.959707] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 330.959720] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 330.964733] mems_allowed=0 [ 330.968633] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 330.968645] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 331.207734] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 331.217299] skb_clone+0x1bb/0x500 [ 331.220868] ? skb_split+0x11e0/0x11e0 [ 331.224871] ? check_preemption_disabled+0x48/0x280 [ 331.229903] ? __this_cpu_preempt_check+0x1c/0x20 [ 331.235720] ? __bpf_redirect+0x54b/0xb20 [ 331.239886] bpf_clone_redirect+0xb9/0x490 [ 331.244134] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 331.249156] ? __sched_text_start+0x8/0x8 [ 331.253320] ? find_held_lock+0x36/0x1c0 [ 331.257395] ? lock_acquire+0x1ed/0x520 [ 331.262417] ? bpf_test_run+0x3cb/0x780 [ 331.266400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.271946] ? check_preemption_disabled+0x48/0x280 [ 331.276976] ? kasan_check_read+0x11/0x20 [ 331.281277] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 331.288975] ? rcu_bh_qs+0xc0/0xc0 [ 331.292524] ? preempt_schedule+0x4d/0x60 [ 331.296677] ? ___preempt_schedule+0x16/0x18 [ 331.301096] ? bpf_test_run+0x25d/0x780 [ 331.305089] ? netlink_diag_dump+0x2a0/0x2a0 [ 331.309505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.315577] ? bpf_test_init.isra.10+0x70/0x100 [ 331.320348] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 331.325229] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 331.330708] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 331.336259] ? fput+0x130/0x1a0 [ 331.342822] ? __bpf_prog_get+0x9b/0x290 [ 331.346885] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 331.351733] ? bpf_prog_test_run+0x130/0x1a0 [ 331.356153] ? __x64_sys_bpf+0x3d8/0x520 [ 331.360221] ? bpf_prog_get+0x20/0x20 [ 331.364048] ? do_syscall_64+0x1b9/0x820 [ 331.369114] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 331.375113] ? syscall_return_slowpath+0x5e0/0x5e0 [ 331.380238] ? trace_hardirqs_on_caller+0x310/0x310 [ 331.387910] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 331.395109] ? recalc_sigpending_tsk+0x180/0x180 [ 331.400578] ? kasan_check_write+0x14/0x20 [ 331.406083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.410969] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.418384] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.0-rc8+ #133 [ 331.418474] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 331.425941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.425950] Call Trace: [ 331.432995] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 331.442704] dump_stack+0x1c4/0x2b6 [ 331.445469] syz-executor0 cpuset= [ 331.458004] ? dump_stack_print_info.cold.1+0x20/0x20 [ 331.461626] syz0 [ 331.465124] warn_alloc.cold.119+0xb7/0x1bd [ 331.470307] mems_allowed=0 [ 331.472301] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 331.485759] ? lock_downgrade+0x900/0x900 [ 331.490898] ? trace_hardirqs_off+0xb8/0x310 [ 331.495408] ? trace_hardirqs_off+0xb8/0x310 [ 331.499852] __alloc_pages_slowpath+0x265e/0x2d70 [ 331.506344] ? warn_alloc+0x120/0x120 [ 331.510166] ? warn_alloc+0x120/0x120 [ 331.514433] ? print_usage_bug+0xc0/0xc0 [ 331.519524] ? warn_alloc+0x120/0x120 [ 331.523350] ? print_usage_bug+0xc0/0xc0 [ 331.527442] ? __lock_acquire+0x7ec/0x4ec0 [ 331.531713] ? __lock_acquire+0x7ec/0x4ec0 [ 331.536135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.541677] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.548111] ? should_fail+0x22d/0xd01 [ 331.552227] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.557342] ? __lock_acquire+0x7ec/0x4ec0 [ 331.561605] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.566816] ? __lock_acquire+0x7ec/0x4ec0 [ 331.571140] ? should_fail+0x22d/0xd01 [ 331.575069] ? mark_held_locks+0x130/0x130 [ 331.579323] ? mark_held_locks+0x130/0x130 [ 331.583574] ? graph_lock+0x170/0x170 [ 331.589415] ? print_usage_bug+0xc0/0xc0 [ 331.593496] ? graph_lock+0x170/0x170 [ 331.597314] ? print_usage_bug+0xc0/0xc0 [ 331.601648] ? wq_watchdog_touch+0x9c/0xfe [ 331.605914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.613206] ? check_preemption_disabled+0x48/0x280 [ 331.618269] ? check_preemption_disabled+0x48/0x280 [ 331.623492] ? __lock_is_held+0xb5/0x140 [ 331.628583] __alloc_pages_nodemask+0xa80/0xde0 [ 331.633375] ? graph_lock+0x170/0x170 [ 331.637366] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 331.642388] ? graph_lock+0x170/0x170 [ 331.646221] ? find_held_lock+0x36/0x1c0 [ 331.650426] ? ____cache_alloc_node+0x1c7/0x1e0 [ 331.655119] ? lock_downgrade+0x900/0x900 [ 331.662975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.670539] cache_grow_begin+0x91/0x8c0 [ 331.674633] ? do_raw_spin_unlock+0xa7/0x330 [ 331.679065] fallback_alloc+0x203/0x2e0 [ 331.683501] ____cache_alloc_node+0x1c7/0x1e0 [ 331.689219] kmem_cache_alloc_node+0xe3/0x730 [ 331.694741] ? ipv6_get_ifaddr+0x42e/0x620 [ 331.699012] __alloc_skb+0x119/0x770 [ 331.703008] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 331.708306] ? skb_scrub_packet+0x490/0x490 [ 331.713268] ? lock_downgrade+0x900/0x900 [ 331.717441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.723367] ? refcount_sub_and_test_checked+0x203/0x310 [ 331.728833] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 331.734584] ? addrconf_rs_timer+0x690/0x690 [ 331.739025] ndisc_alloc_skb+0x144/0x340 [ 331.743105] ndisc_send_rs+0x331/0x6e0 [ 331.748447] addrconf_rs_timer+0x314/0x690 [ 331.753070] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.758816] call_timer_fn+0x272/0x920 [ 331.762808] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.767060] ? process_timeout+0x40/0x40 [ 331.771159] ? find_held_lock+0x36/0x1c0 [ 331.776657] ? __run_timers+0x7da/0xc70 [ 331.780815] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.785526] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.790406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.794741] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 331.799344] ? trace_hardirqs_on+0xbd/0x310 [ 331.803701] ? kasan_check_read+0x11/0x20 [ 331.809671] ? __run_timers+0x7da/0xc70 [ 331.814542] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 331.820003] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.824527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 331.829140] __run_timers+0x7e5/0xc70 [ 331.833052] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 331.838718] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.844742] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.849613] ? lockdep_hardirqs_on+0x421/0x5c0 [ 331.855872] ? trace_hardirqs_on+0xbd/0x310 [ 331.860291] ? kasan_check_read+0x11/0x20 [ 331.864463] ? finish_task_switch+0x1f4/0x910 [ 331.868997] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 331.874652] ? compat_start_thread+0x80/0x80 [ 331.880396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.887188] ? _raw_spin_unlock_irq+0x60/0x80 [ 331.891712] ? pvclock_read_flags+0x160/0x160 [ 331.896226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.901785] ? check_preemption_disabled+0x48/0x280 [ 331.907001] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 331.912299] ? rcu_pm_notify+0xc0/0xc0 [ 331.916289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.923339] ? check_preemption_disabled+0x48/0x280 [ 331.928410] run_timer_softirq+0x52/0xb0 [ 331.932489] ? rcu_read_lock_sched_held+0x108/0x120 [ 331.937797] __do_softirq+0x30c/0xb03 [ 331.941644] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 331.947876] ? trace_hardirqs_off+0x310/0x310 [ 331.952388] ? trace_hardirqs_on+0x310/0x310 [ 331.956811] ? schedule+0x108/0x460 [ 331.960453] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 331.965347] ? trace_hardirqs_off+0xb8/0x310 [ 331.972554] ? smpboot_thread_fn+0x68b/0xa00 [ 331.977059] ? trace_hardirqs_on+0x310/0x310 [ 331.981594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.987161] ? check_preemption_disabled+0x48/0x280 [ 331.992207] ? takeover_tasklets+0xa90/0xa90 [ 331.996646] run_ksoftirqd+0x94/0x100 [ 332.000489] smpboot_thread_fn+0x68b/0xa00 [ 332.004749] ? sort_range+0x30/0x30 [ 332.008413] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 332.013620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.019778] ? __kthread_parkme+0xfb/0x1a0 [ 332.024479] kthread+0x35a/0x420 [ 332.027856] ? sort_range+0x30/0x30 [ 332.031773] ? kthread_bind+0x40/0x40 [ 332.035765] ret_from_fork+0x3a/0x50 [ 332.039621] CPU: 0 PID: 10077 Comm: syz-executor0 Not tainted 4.19.0-rc8+ #133 [ 332.039627] warn_alloc_show_mem: 1 callbacks suppressed [ 332.039635] Mem-Info: [ 332.047648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.053128] active_anon:50744 inactive_anon:1212 isolated_anon:0 [ 332.053128] active_file:11 inactive_file:12 isolated_file:0 [ 332.053128] unevictable:0 dirty:0 writeback:0 unstable:0 [ 332.053128] slab_reclaimable:8909 slab_unreclaimable:1471756 [ 332.053128] mapped:40962 shmem:1218 pagetables:635 bounce:0 [ 332.053128] free:13647 free_pcp:360 free_cma:0 [ 332.055700] Call Trace: [ 332.066966] Node 0 active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:4872kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 186368kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 332.099997] [ 332.102581] Node 0 [ 332.130626] dump_stack+0x1c4/0x2b6 [ 332.132778] 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 [ 332.134990] ? dump_stack_print_info.cold.1+0x20/0x20 [ 332.139125] lowmem_reserve[]: 0 [ 332.166237] warn_alloc.cold.119+0xb7/0x1bd [ 332.173393] 2819 [ 332.177739] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 332.184148] 6323 [ 332.186235] ? lock_downgrade+0x900/0x900 [ 332.191061] 6323 [ 332.193146] ? trace_hardirqs_off+0xb8/0x310 [ 332.197625] Node 0 [ 332.199698] ? trace_hardirqs_off+0xb8/0x310 [ 332.204625] DMA32 free:24736kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 332.206845] __alloc_pages_slowpath+0x265e/0x2d70 [ 332.211225] lowmem_reserve[]: [ 332.239043] ? warn_alloc+0x120/0x120 [ 332.243840] 0 [ 332.247039] ? trace_hardirqs_on+0x310/0x310 [ 332.253367] 0 3503 [ 332.255363] ? warn_alloc+0x120/0x120 [ 332.259808] 3503 [ 332.262253] ? print_usage_bug+0xc0/0xc0 [ 332.268191] ? warn_alloc+0x120/0x120 [ 332.273395] Node 0 [ 332.277306] ? ktime_get+0x2e1/0x440 [ 332.277343] Normal free:13944kB min:37352kB low:46688kB high:56024kB active_anon:202976kB inactive_anon:4848kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5280kB pagetables:2540kB bounce:0kB free_pcp:1192kB local_pcp:996kB free_cma:0kB [ 332.279551] ? print_usage_bug+0xc0/0xc0 [ 332.283244] lowmem_reserve[]: [ 332.313942] ? __lock_acquire+0x7ec/0x4ec0 [ 332.317992] 0 0 [ 332.322141] ? __lock_acquire+0x7ec/0x4ec0 [ 332.326722] 0 [ 332.328699] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.332923] 0 [ 332.334983] ? should_fail+0x22d/0xd01 [ 332.343820] ? __lock_acquire+0x7ec/0x4ec0 [ 332.347724] Node 0 DMA: [ 332.351990] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.352006] ? __lock_acquire+0x7ec/0x4ec0 [ 332.354690] 1*4kB [ 332.359831] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.364051] (U) [ 332.366201] ? __lock_acquire+0x7ec/0x4ec0 [ 332.371283] 0*8kB 0*16kB [ 332.373452] ? should_fail+0x22d/0xd01 [ 332.378276] 1*32kB (U) [ 332.381076] ? mark_held_locks+0x130/0x130 [ 332.384952] 2*64kB [ 332.388227] ? mark_held_locks+0x130/0x130 [ 332.392443] (U) [ 332.394830] ? graph_lock+0x170/0x170 [ 332.399046] 1*128kB [ 332.401015] ? print_usage_bug+0xc0/0xc0 [ 332.404797] (U) [ 332.407118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.411168] 1*256kB [ 332.413146] ? check_preemption_disabled+0x48/0x280 [ 332.418659] (U) [ 332.421921] ? check_preemption_disabled+0x48/0x280 [ 332.426927] 0*512kB [ 332.428909] ? __lock_is_held+0xb5/0x140 [ 332.433895] 1*1024kB [ 332.436217] __alloc_pages_nodemask+0xa80/0xde0 [ 332.440584] (U) [ 332.443288] ? graph_lock+0x170/0x170 [ 332.450549] 1*2048kB [ 332.454465] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 332.459301] (M) [ 332.461715] ? graph_lock+0x170/0x170 [ 332.467843] 3*4096kB [ 332.469833] ? find_held_lock+0x36/0x1c0 [ 332.473615] (M) [ 332.476044] ? ____cache_alloc_node+0x1c7/0x1e0 [ 332.481905] = 15908kB [ 332.489092] ? lock_downgrade+0x900/0x900 [ 332.493772] Node 0 [ 332.496203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.500420] DMA32: [ 332.502700] cache_grow_begin+0x91/0x8c0 [ 332.510357] 4*4kB [ 332.512891] ? do_raw_spin_unlock+0xa7/0x330 [ 332.517939] (UM) [ 332.520092] fallback_alloc+0x203/0x2e0 [ 332.524484] 2*8kB [ 332.526546] ____cache_alloc_node+0x1c7/0x1e0 [ 332.530495] (UM) [ 332.532648] kmem_cache_alloc_node+0xe3/0x730 [ 332.537114] 2*16kB (M) [ 332.539182] ? ipv6_get_ifaddr+0x42e/0x620 [ 332.544117] 3*32kB [ 332.546702] __alloc_skb+0x119/0x770 [ 332.551001] (UM) [ 332.553242] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 332.556923] 4*64kB [ 332.559248] ? skb_scrub_packet+0x490/0x490 [ 332.564960] (M) [ 332.567466] ? lock_downgrade+0x900/0x900 [ 332.571764] 4*128kB [ 332.573746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.577860] (UM) 3*256kB [ 332.580195] ? refcount_sub_and_test_checked+0x203/0x310 [ 332.585710] (M) [ 332.588477] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 332.594257] 3*512kB [ 332.596268] ? addrconf_rs_timer+0x690/0x690 [ 332.602130] (M) 3*1024kB [ 332.604509] ndisc_alloc_skb+0x144/0x340 [ 332.608895] (UM) [ 332.613387] ndisc_send_rs+0x331/0x6e0 [ 332.617423] 3*2048kB [ 332.619490] addrconf_rs_timer+0x314/0x690 [ 332.623574] (M) 3*4096kB [ 332.625995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.630202] (M) [ 332.632965] call_timer_fn+0x272/0x920 [ 332.637165] = 24736kB [ 332.639137] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.643003] Node 0 [ 332.645414] ? process_timeout+0x40/0x40 [ 332.651072] Normal: [ 332.653322] ? find_held_lock+0x36/0x1c0 [ 332.657362] 592*4kB [ 332.659686] ? __run_timers+0x7da/0xc70 [ 332.663722] (UMEH) [ 332.666048] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.669998] 405*8kB [ 332.672229] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.677162] (UMEH) [ 332.679503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.684172] 177*16kB [ 332.687110] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 332.691411] (UME) [ 332.693834] ? trace_hardirqs_on+0xbd/0x310 [ 332.698391] 103*32kB (UMH) [ 332.700555] ? kasan_check_read+0x11/0x20 [ 332.705032] 15*64kB [ 332.707971] ? __run_timers+0x7da/0xc70 [ 332.712105] (UMH) [ 332.715105] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 332.719581] 0*128kB 1*256kB [ 332.721773] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.727291] (H) [ 332.730349] __run_timers+0x7e5/0xc70 [ 332.734569] 0*512kB [ 332.736559] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 332.742296] 1*1024kB [ 332.744646] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 332.750005] (H) [ 332.752420] ? graph_lock+0x170/0x170 [ 332.757422] 0*2048kB 0*4096kB [ 332.759420] ? enqueue_hrtimer+0x1a5/0x560 [ 332.763222] = 13976kB [ 332.766420] ? lock_release+0x970/0x970 [ 332.771157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 332.773570] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 332.779034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 332.788152] ? find_held_lock+0x36/0x1c0 [ 332.793320] 1241 total pagecache pages [ 332.802086] ? graph_lock+0x170/0x170 [ 332.806840] 0 pages in swap cache [ 332.810727] ? pvclock_read_flags+0x160/0x160 [ 332.815001] Swap cache stats: add 0, delete 0, find 0/0 [ 332.815010] Free swap = 0kB [ 332.819203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.819223] ? check_preemption_disabled+0x48/0x280 [ 332.823955] Total swap = 0kB [ 332.829652] ? __lock_is_held+0xb5/0x140 [ 332.832661] 1965979 pages RAM [ 332.838207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.843218] 0 pages HighMem/MovableOnly [ 332.843227] 342306 pages reserved [ 332.846341] ? check_preemption_disabled+0x48/0x280 [ 332.850569] 0 pages cma reserved [ 332.853689] run_timer_softirq+0x52/0xb0 [ 332.859644] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 332.864942] ? rcu_read_lock_sched_held+0x108/0x120 [ 332.868489] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 332.874005] __do_softirq+0x30c/0xb03 [ 332.877357] ksoftirqd/1 cpuset= [ 332.881433] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 332.888426] / [ 332.893837] ? pvclock_read_flags+0x160/0x160 [ 332.905861] mems_allowed=0 [ 332.909672] ? lapic_next_event+0x5a/0x90 [ 332.932871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.939387] ? check_preemption_disabled+0x48/0x280 [ 332.945516] ? check_preemption_disabled+0x48/0x280 [ 332.950663] ? kvm_clock_read+0x18/0x30 [ 332.954650] ? kvm_sched_clock_read+0x9/0x20 [ 332.959072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.964780] ? check_preemption_disabled+0x48/0x280 [ 332.969827] irq_exit+0x17f/0x1c0 [ 332.973321] smp_apic_timer_interrupt+0x1cb/0x760 [ 332.978186] ? smp_reschedule_interrupt+0x109/0x650 [ 332.983672] ? smp_call_function_single_interrupt+0x650/0x650 [ 332.989587] ? interrupt_entry+0xb5/0xf0 [ 332.993660] ? trace_hardirqs_off_caller+0xbb/0x310 [ 332.998678] ? trace_hardirqs_off_caller+0xbb/0x310 [ 333.003700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.008547] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.013573] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.018601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.024297] ? check_preemption_disabled+0x48/0x280 [ 333.029317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.034870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.039729] apic_timer_interrupt+0xf/0x20 [ 333.043963] [ 333.046228] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 333.051167] Code: 7e 0f 85 cf fe ff ff e8 f6 e4 3f ff e9 c5 fe ff ff e8 bd 1f c4 ff 48 83 3d 2d 59 71 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 45 [ 333.070354] RSP: 0000:ffff8801bccff740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 333.078068] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 333.085351] RDX: 0000000000000000 RSI: ffff88019847e940 RDI: 0000000000000286 [ 333.092809] RBP: ffff8801bccff7a8 R08: ffff88019847e0c0 R09: 0000000000000000 [ 333.102107] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 333.109383] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 333.116701] skb_clone+0x1bb/0x500 [ 333.120248] ? skb_split+0x11e0/0x11e0 [ 333.124144] ? check_preemption_disabled+0x48/0x280 [ 333.129173] ? __this_cpu_preempt_check+0x1c/0x20 [ 333.134217] ? __bpf_redirect+0x54b/0xb20 [ 333.138378] bpf_clone_redirect+0xb9/0x490 [ 333.142630] bpf_prog_bebbfe2050753572+0x620/0x1000 [ 333.147652] ? __sched_text_start+0x8/0x8 [ 333.151823] ? find_held_lock+0x36/0x1c0 [ 333.156336] ? lock_acquire+0x1ed/0x520 [ 333.160318] ? bpf_test_run+0x3cb/0x780 [ 333.164298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.169841] ? check_preemption_disabled+0x48/0x280 [ 333.174872] ? kasan_check_read+0x11/0x20 [ 333.179591] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 333.184875] ? rcu_bh_qs+0xc0/0xc0 [ 333.188424] ? preempt_schedule+0x4d/0x60 [ 333.196112] ? ___preempt_schedule+0x16/0x18 [ 333.200539] ? bpf_test_run+0x25d/0x780 [ 333.204528] ? netlink_diag_dump+0x2a0/0x2a0 [ 333.208944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.214492] ? bpf_test_init.isra.10+0x70/0x100 [ 333.222670] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 333.227450] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 333.234998] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 333.240541] ? fput+0x130/0x1a0 [ 333.243828] ? __bpf_prog_get+0x9b/0x290 [ 333.247900] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 333.252745] ? bpf_prog_test_run+0x130/0x1a0